contrib/elftoolchain/readelf/readelf.c

   1 /*-
   2  * Copyright (c) 2009-2015 Kai Wang
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  *
  14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  24  * SUCH DAMAGE.
  25  */
  26
  27 #include <sys/param.h>
  28 #include <sys/queue.h>
  29 #include <ar.h>
  30 #include <assert.h>
  31 #include <ctype.h>
  32 #include <dwarf.h>
  33 #include <err.h>
  34 #include <fcntl.h>
  35 #include <gelf.h>
  36 #include <getopt.h>
  37 #include <libdwarf.h>
  38 #include <libelftc.h>
  39 #include <libgen.h>
  40 #include <stdarg.h>
  41 #include <stdint.h>
  42 #include <stdio.h>
  43 #include <stdlib.h>
  44 #include <string.h>
  45 #include <time.h>
  46 #include <unistd.h>
  47
  48 #include "_elftc.h"
  49
  50 ELFTC_VCSID("$Id: readelf.c 3223 2015-05-25 20:37:57Z emaste $");
  51
  52 /*
  53  * readelf(1) options.
  54  */
  55 #define RE_AA   0x00000001
  56 #define RE_C    0x00000002
  57 #define RE_DD   0x00000004
  58 #define RE_D    0x00000008
  59 #define RE_G    0x00000010
  60 #define RE_H    0x00000020
  61 #define RE_II   0x00000040
  62 #define RE_I    0x00000080
  63 #define RE_L    0x00000100
  64 #define RE_NN   0x00000200
  65 #define RE_N    0x00000400
  66 #define RE_P    0x00000800
  67 #define RE_R    0x00001000
  68 #define RE_SS   0x00002000
  69 #define RE_S    0x00004000
  70 #define RE_T    0x00008000
  71 #define RE_U    0x00010000
  72 #define RE_VV   0x00020000
  73 #define RE_WW   0x00040000
  74 #define RE_W    0x00080000
  75 #define RE_X    0x00100000
  76
  77 /*
  78  * dwarf dump options.
  79  */
  80 #define DW_A    0x00000001
  81 #define DW_FF   0x00000002
  82 #define DW_F    0x00000004
  83 #define DW_I    0x00000008
  84 #define DW_LL   0x00000010
  85 #define DW_L    0x00000020
  86 #define DW_M    0x00000040
  87 #define DW_O    0x00000080
  88 #define DW_P    0x00000100
  89 #define DW_RR   0x00000200
  90 #define DW_R    0x00000400
  91 #define DW_S    0x00000800
  92
  93 #define DW_DEFAULT_OPTIONS (DW_A | DW_F | DW_I | DW_L | DW_O | DW_P | \
  94             DW_R | DW_RR | DW_S)
  95
  96 /*
  97  * readelf(1) run control flags.
  98  */
  99 #define DISPLAY_FILENAME        0x0001
 100
 101 /*
 102  * Internal data structure for sections.
 103  */
 104 struct section {
 105         const char      *name;          /* section name */
 106         Elf_Scn         *scn;           /* section scn */
 107         uint64_t         off;           /* section offset */
 108         uint64_t         sz;            /* section size */
 109         uint64_t         entsize;       /* section entsize */
 110         uint64_t         align;         /* section alignment */
 111         uint64_t         type;          /* section type */
 112         uint64_t         flags;         /* section flags */
 113         uint64_t         addr;          /* section virtual addr */
 114         uint32_t         link;          /* section link ndx */
 115         uint32_t         info;          /* section info ndx */
 116 };
 117
 118 struct dumpop {
 119         union {
 120                 size_t si;              /* section index */
 121                 const char *sn;         /* section name */
 122         } u;
 123         enum {
 124                 DUMP_BY_INDEX = 0,
 125                 DUMP_BY_NAME
 126         } type;                         /* dump type */
 127 #define HEX_DUMP        0x0001
 128 #define STR_DUMP        0x0002
 129         int op;                         /* dump operation */
 130         STAILQ_ENTRY(dumpop) dumpop_list;
 131 };
 132
 133 struct symver {
 134         const char *name;
 135         int type;
 136 };
 137
 138 /*
 139  * Structure encapsulates the global data for readelf(1).
 140  */
 141 struct readelf {
 142         const char       *filename;     /* current processing file. */
 143         int               options;      /* command line options. */
 144         int               flags;        /* run control flags. */
 145         int               dop;          /* dwarf dump options. */
 146         Elf              *elf;          /* underlying ELF descriptor. */
 147         Elf              *ar;           /* archive ELF descriptor. */
 148         Dwarf_Debug       dbg;          /* DWARF handle. */
 149         Dwarf_Half        cu_psize;     /* DWARF CU pointer size. */
 150         Dwarf_Half        cu_osize;     /* DWARF CU offset size. */
 151         Dwarf_Half        cu_ver;       /* DWARF CU version. */
 152         GElf_Ehdr         ehdr;         /* ELF header. */
 153         int               ec;           /* ELF class. */
 154         size_t            shnum;        /* #sections. */
 155         struct section   *vd_s;         /* Verdef section. */
 156         struct section   *vn_s;         /* Verneed section. */
 157         struct section   *vs_s;         /* Versym section. */
 158         uint16_t         *vs;           /* Versym array. */
 159         int               vs_sz;        /* Versym array size. */
 160         struct symver    *ver;          /* Version array. */
 161         int               ver_sz;       /* Size of version array. */
 162         struct section   *sl;           /* list of sections. */
 163         STAILQ_HEAD(, dumpop) v_dumpop; /* list of dump ops. */
 164         uint64_t        (*dw_read)(Elf_Data *, uint64_t *, int);
 165         uint64_t        (*dw_decode)(uint8_t **, int);
 166 };
 167
 168 enum options
 169 {
 170         OPTION_DEBUG_DUMP
 171 };
 172
 173 static struct option longopts[] = {
 174         {"all", no_argument, NULL, 'a'},
 175         {"arch-specific", no_argument, NULL, 'A'},
 176         {"archive-index", no_argument, NULL, 'c'},
 177         {"debug-dump", optional_argument, NULL, OPTION_DEBUG_DUMP},
 178         {"dynamic", no_argument, NULL, 'd'},
 179         {"file-header", no_argument, NULL, 'h'},
 180         {"full-section-name", no_argument, NULL, 'N'},
 181         {"headers", no_argument, NULL, 'e'},
 182         {"help", no_argument, 0, 'H'},
 183         {"hex-dump", required_argument, NULL, 'x'},
 184         {"histogram", no_argument, NULL, 'I'},
 185         {"notes", no_argument, NULL, 'n'},
 186         {"program-headers", no_argument, NULL, 'l'},
 187         {"relocs", no_argument, NULL, 'r'},
 188         {"sections", no_argument, NULL, 'S'},
 189         {"section-headers", no_argument, NULL, 'S'},
 190         {"section-groups", no_argument, NULL, 'g'},
 191         {"section-details", no_argument, NULL, 't'},
 192         {"segments", no_argument, NULL, 'l'},
 193         {"string-dump", required_argument, NULL, 'p'},
 194         {"symbols", no_argument, NULL, 's'},
 195         {"syms", no_argument, NULL, 's'},
 196         {"unwind", no_argument, NULL, 'u'},
 197         {"use-dynamic", no_argument, NULL, 'D'},
 198         {"version-info", no_argument, 0, 'V'},
 199         {"version", no_argument, 0, 'v'},
 200         {"wide", no_argument, 0, 'W'},
 201         {NULL, 0, NULL, 0}
 202 };
 203
 204 struct eflags_desc {
 205         uint64_t flag;
 206         const char *desc;
 207 };
 208
 209 struct mips_option {
 210         uint64_t flag;
 211         const char *desc;
 212 };
 213
 214 static void add_dumpop(struct readelf *re, size_t si, const char *sn, int op,
 215     int t);
 216 static const char *aeabi_adv_simd_arch(uint64_t simd);
 217 static const char *aeabi_align_needed(uint64_t an);
 218 static const char *aeabi_align_preserved(uint64_t ap);
 219 static const char *aeabi_arm_isa(uint64_t ai);
 220 static const char *aeabi_cpu_arch(uint64_t arch);
 221 static const char *aeabi_cpu_arch_profile(uint64_t pf);
 222 static const char *aeabi_div(uint64_t du);
 223 static const char *aeabi_enum_size(uint64_t es);
 224 static const char *aeabi_fp_16bit_format(uint64_t fp16);
 225 static const char *aeabi_fp_arch(uint64_t fp);
 226 static const char *aeabi_fp_denormal(uint64_t fd);
 227 static const char *aeabi_fp_exceptions(uint64_t fe);
 228 static const char *aeabi_fp_hpext(uint64_t fh);
 229 static const char *aeabi_fp_number_model(uint64_t fn);
 230 static const char *aeabi_fp_optm_goal(uint64_t fog);
 231 static const char *aeabi_fp_rounding(uint64_t fr);
 232 static const char *aeabi_hardfp(uint64_t hfp);
 233 static const char *aeabi_mpext(uint64_t mp);
 234 static const char *aeabi_optm_goal(uint64_t og);
 235 static const char *aeabi_pcs_config(uint64_t pcs);
 236 static const char *aeabi_pcs_got(uint64_t got);
 237 static const char *aeabi_pcs_r9(uint64_t r9);
 238 static const char *aeabi_pcs_ro(uint64_t ro);
 239 static const char *aeabi_pcs_rw(uint64_t rw);
 240 static const char *aeabi_pcs_wchar_t(uint64_t wt);
 241 static const char *aeabi_t2ee(uint64_t t2ee);
 242 static const char *aeabi_thumb_isa(uint64_t ti);
 243 static const char *aeabi_fp_user_exceptions(uint64_t fu);
 244 static const char *aeabi_unaligned_access(uint64_t ua);
 245 static const char *aeabi_vfp_args(uint64_t va);
 246 static const char *aeabi_virtual(uint64_t vt);
 247 static const char *aeabi_wmmx_arch(uint64_t wmmx);
 248 static const char *aeabi_wmmx_args(uint64_t wa);
 249 static const char *elf_class(unsigned int class);
 250 static const char *elf_endian(unsigned int endian);
 251 static const char *elf_machine(unsigned int mach);
 252 static const char *elf_osabi(unsigned int abi);
 253 static const char *elf_type(unsigned int type);
 254 static const char *elf_ver(unsigned int ver);
 255 static const char *dt_type(unsigned int mach, unsigned int dtype);
 256 static void dump_ar(struct readelf *re, int);
 257 static void dump_arm_attributes(struct readelf *re, uint8_t *p, uint8_t *pe);
 258 static void dump_attributes(struct readelf *re);
 259 static uint8_t *dump_compatibility_tag(uint8_t *p);
 260 static void dump_dwarf(struct readelf *re);
 261 static void dump_dwarf_abbrev(struct readelf *re);
 262 static void dump_dwarf_aranges(struct readelf *re);
 263 static void dump_dwarf_block(struct readelf *re, uint8_t *b,
 264     Dwarf_Unsigned len);
 265 static void dump_dwarf_die(struct readelf *re, Dwarf_Die die, int level);
 266 static void dump_dwarf_frame(struct readelf *re, int alt);
 267 static void dump_dwarf_frame_inst(struct readelf *re, Dwarf_Cie cie,
 268     uint8_t *insts, Dwarf_Unsigned len, Dwarf_Unsigned caf, Dwarf_Signed daf,
 269     Dwarf_Addr pc, Dwarf_Debug dbg);
 270 static int dump_dwarf_frame_regtable(struct readelf *re, Dwarf_Fde fde,
 271     Dwarf_Addr pc, Dwarf_Unsigned func_len, Dwarf_Half cie_ra);
 272 static void dump_dwarf_frame_section(struct readelf *re, struct section *s,
 273     int alt);
 274 static void dump_dwarf_info(struct readelf *re, Dwarf_Bool is_info);
 275 static void dump_dwarf_macinfo(struct readelf *re);
 276 static void dump_dwarf_line(struct readelf *re);
 277 static void dump_dwarf_line_decoded(struct readelf *re);
 278 static void dump_dwarf_loc(struct readelf *re, Dwarf_Loc *lr);
 279 static void dump_dwarf_loclist(struct readelf *re);
 280 static void dump_dwarf_pubnames(struct readelf *re);
 281 static void dump_dwarf_ranges(struct readelf *re);
 282 static void dump_dwarf_ranges_foreach(struct readelf *re, Dwarf_Die die,
 283     Dwarf_Addr base);
 284 static void dump_dwarf_str(struct readelf *re);
 285 static void dump_eflags(struct readelf *re, uint64_t e_flags);
 286 static void dump_elf(struct readelf *re);
 287 static void dump_dyn_val(struct readelf *re, GElf_Dyn *dyn, uint32_t stab);
 288 static void dump_dynamic(struct readelf *re);
 289 static void dump_liblist(struct readelf *re);
 290 static void dump_mips_attributes(struct readelf *re, uint8_t *p, uint8_t *pe);
 291 static void dump_mips_odk_reginfo(struct readelf *re, uint8_t *p, size_t sz);
 292 static void dump_mips_options(struct readelf *re, struct section *s);
 293 static void dump_mips_option_flags(const char *name, struct mips_option *opt,
 294     uint64_t info);
 295 static void dump_mips_reginfo(struct readelf *re, struct section *s);
 296 static void dump_mips_specific_info(struct readelf *re);
 297 static void dump_notes(struct readelf *re);
 298 static void dump_notes_content(struct readelf *re, const char *buf, size_t sz,
 299     off_t off);
 300 static void dump_svr4_hash(struct section *s);
 301 static void dump_svr4_hash64(struct readelf *re, struct section *s);
 302 static void dump_gnu_hash(struct readelf *re, struct section *s);
 303 static void dump_hash(struct readelf *re);
 304 static void dump_phdr(struct readelf *re);
 305 static void dump_ppc_attributes(uint8_t *p, uint8_t *pe);
 306 static void dump_section_groups(struct readelf *re);
 307 static void dump_symtab(struct readelf *re, int i);
 308 static void dump_symtabs(struct readelf *re);
 309 static uint8_t *dump_unknown_tag(uint64_t tag, uint8_t *p);
 310 static void dump_ver(struct readelf *re);
 311 static void dump_verdef(struct readelf *re, int dump);
 312 static void dump_verneed(struct readelf *re, int dump);
 313 static void dump_versym(struct readelf *re);
 314 static const char *dwarf_reg(unsigned int mach, unsigned int reg);
 315 static const char *dwarf_regname(struct readelf *re, unsigned int num);
 316 static struct dumpop *find_dumpop(struct readelf *re, size_t si,
 317     const char *sn, int op, int t);
 318 static int get_ent_count(struct section *s, int *ent_count);
 319 static char *get_regoff_str(struct readelf *re, Dwarf_Half reg,
 320     Dwarf_Addr off);
 321 static const char *get_string(struct readelf *re, int strtab, size_t off);
 322 static const char *get_symbol_name(struct readelf *re, int symtab, int i);
 323 static uint64_t get_symbol_value(struct readelf *re, int symtab, int i);
 324 static void load_sections(struct readelf *re);
 325 static const char *mips_abi_fp(uint64_t fp);
 326 static const char *note_type(const char *note_name, unsigned int et,
 327     unsigned int nt);
 328 static const char *note_type_freebsd(unsigned int nt);
 329 static const char *note_type_freebsd_core(unsigned int nt);
 330 static const char *note_type_linux_core(unsigned int nt);
 331 static const char *note_type_gnu(unsigned int nt);
 332 static const char *note_type_netbsd(unsigned int nt);
 333 static const char *note_type_openbsd(unsigned int nt);
 334 static const char *note_type_unknown(unsigned int nt);
 335 static const char *option_kind(uint8_t kind);
 336 static const char *phdr_type(unsigned int ptype);
 337 static const char *ppc_abi_fp(uint64_t fp);
 338 static const char *ppc_abi_vector(uint64_t vec);
 339 static const char *r_type(unsigned int mach, unsigned int type);
 340 static void readelf_usage(void);
 341 static void readelf_version(void);
 342 static void search_loclist_at(struct readelf *re, Dwarf_Die die,
 343     Dwarf_Unsigned lowpc);
 344 static void search_ver(struct readelf *re);
 345 static const char *section_type(unsigned int mach, unsigned int stype);
 346 static void set_cu_context(struct readelf *re, Dwarf_Half psize,
 347     Dwarf_Half osize, Dwarf_Half ver);
 348 static const char *st_bind(unsigned int sbind);
 349 static const char *st_shndx(unsigned int shndx);
 350 static const char *st_type(unsigned int stype);
 351 static const char *st_vis(unsigned int svis);
 352 static const char *top_tag(unsigned int tag);
 353 static void unload_sections(struct readelf *re);
 354 static uint64_t _read_lsb(Elf_Data *d, uint64_t *offsetp,
 355     int bytes_to_read);
 356 static uint64_t _read_msb(Elf_Data *d, uint64_t *offsetp,
 357     int bytes_to_read);
 358 static uint64_t _decode_lsb(uint8_t **data, int bytes_to_read);
 359 static uint64_t _decode_msb(uint8_t **data, int bytes_to_read);
 360 static int64_t _decode_sleb128(uint8_t **dp);
 361 static uint64_t _decode_uleb128(uint8_t **dp);
 362
 363 static struct eflags_desc arm_eflags_desc[] = {
 364         {EF_ARM_RELEXEC, "relocatable executable"},
 365         {EF_ARM_HASENTRY, "has entry point"},
 366         {EF_ARM_SYMSARESORTED, "sorted symbol tables"},
 367         {EF_ARM_DYNSYMSUSESEGIDX, "dynamic symbols use segment index"},
 368         {EF_ARM_MAPSYMSFIRST, "mapping symbols precede others"},
 369         {EF_ARM_BE8, "BE8"},
 370         {EF_ARM_LE8, "LE8"},
 371         {EF_ARM_INTERWORK, "interworking enabled"},
 372         {EF_ARM_APCS_26, "uses APCS/26"},
 373         {EF_ARM_APCS_FLOAT, "uses APCS/float"},
 374         {EF_ARM_PIC, "position independent"},
 375         {EF_ARM_ALIGN8, "8 bit structure alignment"},
 376         {EF_ARM_NEW_ABI, "uses new ABI"},
 377         {EF_ARM_OLD_ABI, "uses old ABI"},
 378         {EF_ARM_SOFT_FLOAT, "software FP"},
 379         {EF_ARM_VFP_FLOAT, "VFP"},
 380         {EF_ARM_MAVERICK_FLOAT, "Maverick FP"},
 381         {0, NULL}
 382 };
 383
 384 static struct eflags_desc mips_eflags_desc[] = {
 385         {EF_MIPS_NOREORDER, "noreorder"},
 386         {EF_MIPS_PIC, "pic"},
 387         {EF_MIPS_CPIC, "cpic"},
 388         {EF_MIPS_UCODE, "ugen_reserved"},
 389         {EF_MIPS_ABI2, "abi2"},
 390         {EF_MIPS_OPTIONS_FIRST, "odk first"},
 391         {EF_MIPS_ARCH_ASE_MDMX, "mdmx"},
 392         {EF_MIPS_ARCH_ASE_M16, "mips16"},
 393         {0, NULL}
 394 };
 395
 396 static struct eflags_desc powerpc_eflags_desc[] = {
 397         {EF_PPC_EMB, "emb"},
 398         {EF_PPC_RELOCATABLE, "relocatable"},
 399         {EF_PPC_RELOCATABLE_LIB, "relocatable-lib"},
 400         {0, NULL}
 401 };
 402
 403 static struct eflags_desc sparc_eflags_desc[] = {
 404         {EF_SPARC_32PLUS, "v8+"},
 405         {EF_SPARC_SUN_US1, "ultrasparcI"},
 406         {EF_SPARC_HAL_R1, "halr1"},
 407         {EF_SPARC_SUN_US3, "ultrasparcIII"},
 408         {0, NULL}
 409 };
 410
 411 static const char *
 412 elf_osabi(unsigned int abi)
 413 {
 414         static char s_abi[32];
 415
 416         switch(abi) {
 417         case ELFOSABI_NONE: return "NONE";
 418         case ELFOSABI_HPUX: return "HPUX";
 419         case ELFOSABI_NETBSD: return "NetBSD";
 420         case ELFOSABI_GNU: return "GNU";
 421         case ELFOSABI_HURD: return "HURD";
 422         case ELFOSABI_86OPEN: return "86OPEN";
 423         case ELFOSABI_SOLARIS: return "Solaris";
 424         case ELFOSABI_AIX: return "AIX";
 425         case ELFOSABI_IRIX: return "IRIX";
 426         case ELFOSABI_FREEBSD: return "FreeBSD";
 427         case ELFOSABI_TRU64: return "TRU64";
 428         case ELFOSABI_MODESTO: return "MODESTO";
 429         case ELFOSABI_OPENBSD: return "OpenBSD";
 430         case ELFOSABI_OPENVMS: return "OpenVMS";
 431         case ELFOSABI_NSK: return "NSK";
 432         case ELFOSABI_ARM: return "ARM";
 433         case ELFOSABI_STANDALONE: return "StandAlone";
 434         default:
 435                 snprintf(s_abi, sizeof(s_abi), "<unknown: %#x>", abi);
 436                 return (s_abi);
 437         }
 438 };
 439
 440 static const char *
 441 elf_machine(unsigned int mach)
 442 {
 443         static char s_mach[32];
 444
 445         switch (mach) {
 446         case EM_NONE: return "Unknown machine";
 447         case EM_M32: return "AT&T WE32100";
 448         case EM_SPARC: return "Sun SPARC";
 449         case EM_386: return "Intel i386";
 450         case EM_68K: return "Motorola 68000";
 451         case EM_IAMCU: return "Intel MCU";
 452         case EM_88K: return "Motorola 88000";
 453         case EM_860: return "Intel i860";
 454         case EM_MIPS: return "MIPS R3000 Big-Endian only";
 455         case EM_S370: return "IBM System/370";
 456         case EM_MIPS_RS3_LE: return "MIPS R3000 Little-Endian";
 457         case EM_PARISC: return "HP PA-RISC";
 458         case EM_VPP500: return "Fujitsu VPP500";
 459         case EM_SPARC32PLUS: return "SPARC v8plus";
 460         case EM_960: return "Intel 80960";
 461         case EM_PPC: return "PowerPC 32-bit";
 462         case EM_PPC64: return "PowerPC 64-bit";
 463         case EM_S390: return "IBM System/390";
 464         case EM_V800: return "NEC V800";
 465         case EM_FR20: return "Fujitsu FR20";
 466         case EM_RH32: return "TRW RH-32";
 467         case EM_RCE: return "Motorola RCE";
 468         case EM_ARM: return "ARM";
 469         case EM_SH: return "Hitachi SH";
 470         case EM_SPARCV9: return "SPARC v9 64-bit";
 471         case EM_TRICORE: return "Siemens TriCore embedded processor";
 472         case EM_ARC: return "Argonaut RISC Core";
 473         case EM_H8_300: return "Hitachi H8/300";
 474         case EM_H8_300H: return "Hitachi H8/300H";
 475         case EM_H8S: return "Hitachi H8S";
 476         case EM_H8_500: return "Hitachi H8/500";
 477         case EM_IA_64: return "Intel IA-64 Processor";
 478         case EM_MIPS_X: return "Stanford MIPS-X";
 479         case EM_COLDFIRE: return "Motorola ColdFire";
 480         case EM_68HC12: return "Motorola M68HC12";
 481         case EM_MMA: return "Fujitsu MMA";
 482         case EM_PCP: return "Siemens PCP";
 483         case EM_NCPU: return "Sony nCPU";
 484         case EM_NDR1: return "Denso NDR1 microprocessor";
 485         case EM_STARCORE: return "Motorola Star*Core processor";
 486         case EM_ME16: return "Toyota ME16 processor";
 487         case EM_ST100: return "STMicroelectronics ST100 processor";
 488         case EM_TINYJ: return "Advanced Logic Corp. TinyJ processor";
 489         case EM_X86_64: return "Advanced Micro Devices x86-64";
 490         case EM_PDSP: return "Sony DSP Processor";
 491         case EM_FX66: return "Siemens FX66 microcontroller";
 492         case EM_ST9PLUS: return "STMicroelectronics ST9+ 8/16 microcontroller";
 493         case EM_ST7: return "STmicroelectronics ST7 8-bit microcontroller";
 494         case EM_68HC16: return "Motorola MC68HC16 microcontroller";
 495         case EM_68HC11: return "Motorola MC68HC11 microcontroller";
 496         case EM_68HC08: return "Motorola MC68HC08 microcontroller";
 497         case EM_68HC05: return "Motorola MC68HC05 microcontroller";
 498         case EM_SVX: return "Silicon Graphics SVx";
 499         case EM_ST19: return "STMicroelectronics ST19 8-bit mc";
 500         case EM_VAX: return "Digital VAX";
 501         case EM_CRIS: return "Axis Communications 32-bit embedded processor";
 502         case EM_JAVELIN: return "Infineon Tech. 32bit embedded processor";
 503         case EM_FIREPATH: return "Element 14 64-bit DSP Processor";
 504         case EM_ZSP: return "LSI Logic 16-bit DSP Processor";
 505         case EM_MMIX: return "Donald Knuth's educational 64-bit proc";
 506         case EM_HUANY: return "Harvard University MI object files";
 507         case EM_PRISM: return "SiTera Prism";
 508         case EM_AVR: return "Atmel AVR 8-bit microcontroller";
 509         case EM_FR30: return "Fujitsu FR30";
 510         case EM_D10V: return "Mitsubishi D10V";
 511         case EM_D30V: return "Mitsubishi D30V";
 512         case EM_V850: return "NEC v850";
 513         case EM_M32R: return "Mitsubishi M32R";
 514         case EM_MN10300: return "Matsushita MN10300";
 515         case EM_MN10200: return "Matsushita MN10200";
 516         case EM_PJ: return "picoJava";
 517         case EM_OPENRISC: return "OpenRISC 32-bit embedded processor";
 518         case EM_ARC_A5: return "ARC Cores Tangent-A5";
 519         case EM_XTENSA: return "Tensilica Xtensa Architecture";
 520         case EM_VIDEOCORE: return "Alphamosaic VideoCore processor";
 521         case EM_TMM_GPP: return "Thompson Multimedia General Purpose Processor";
 522         case EM_NS32K: return "National Semiconductor 32000 series";
 523         case EM_TPC: return "Tenor Network TPC processor";
 524         case EM_SNP1K: return "Trebia SNP 1000 processor";
 525         case EM_ST200: return "STMicroelectronics ST200 microcontroller";
 526         case EM_IP2K: return "Ubicom IP2xxx microcontroller family";
 527         case EM_MAX: return "MAX Processor";
 528         case EM_CR: return "National Semiconductor CompactRISC microprocessor";
 529         case EM_F2MC16: return "Fujitsu F2MC16";
 530         case EM_MSP430: return "TI embedded microcontroller msp430";
 531         case EM_BLACKFIN: return "Analog Devices Blackfin (DSP) processor";
 532         case EM_SE_C33: return "S1C33 Family of Seiko Epson processors";
 533         case EM_SEP: return "Sharp embedded microprocessor";
 534         case EM_ARCA: return "Arca RISC Microprocessor";
 535         case EM_UNICORE: return "Microprocessor series from PKU-Unity Ltd";
 536         case EM_AARCH64: return "AArch64";
 537         case EM_RISCV: return "RISC-V";
 538         default:
 539                 snprintf(s_mach, sizeof(s_mach), "<unknown: %#x>", mach);
 540                 return (s_mach);
 541         }
 542
 543 }
 544
 545 static const char *
 546 elf_class(unsigned int class)
 547 {
 548         static char s_class[32];
 549
 550         switch (class) {
 551         case ELFCLASSNONE: return "none";
 552         case ELFCLASS32: return "ELF32";
 553         case ELFCLASS64: return "ELF64";
 554         default:
 555                 snprintf(s_class, sizeof(s_class), "<unknown: %#x>", class);
 556                 return (s_class);
 557         }
 558 }
 559
 560 static const char *
 561 elf_endian(unsigned int endian)
 562 {
 563         static char s_endian[32];
 564
 565         switch (endian) {
 566         case ELFDATANONE: return "none";
 567         case ELFDATA2LSB: return "2's complement, little endian";
 568         case ELFDATA2MSB: return "2's complement, big endian";
 569         default:
 570                 snprintf(s_endian, sizeof(s_endian), "<unknown: %#x>", endian);
 571                 return (s_endian);
 572         }
 573 }
 574
 575 static const char *
 576 elf_type(unsigned int type)
 577 {
 578         static char s_type[32];
 579
 580         switch (type) {
 581         case ET_NONE: return "NONE (None)";
 582         case ET_REL: return "REL (Relocatable file)";
 583         case ET_EXEC: return "EXEC (Executable file)";
 584         case ET_DYN: return "DYN (Shared object file)";
 585         case ET_CORE: return "CORE (Core file)";
 586         default:
 587                 if (type >= ET_LOPROC)
 588                         snprintf(s_type, sizeof(s_type), "<proc: %#x>", type);
 589                 else if (type >= ET_LOOS && type <= ET_HIOS)
 590                         snprintf(s_type, sizeof(s_type), "<os: %#x>", type);
 591                 else
 592                         snprintf(s_type, sizeof(s_type), "<unknown: %#x>",
 593                             type);
 594                 return (s_type);
 595         }
 596 }
 597
 598 static const char *
 599 elf_ver(unsigned int ver)
 600 {
 601         static char s_ver[32];
 602
 603         switch (ver) {
 604         case EV_CURRENT: return "(current)";
 605         case EV_NONE: return "(none)";
 606         default:
 607                 snprintf(s_ver, sizeof(s_ver), "<unknown: %#x>",
 608                     ver);
 609                 return (s_ver);
 610         }
 611 }
 612
 613 static const char *
 614 phdr_type(unsigned int ptype)
 615 {
 616         static char s_ptype[32];
 617
 618         switch (ptype) {
 619         case PT_NULL: return "NULL";
 620         case PT_LOAD: return "LOAD";
 621         case PT_DYNAMIC: return "DYNAMIC";
 622         case PT_INTERP: return "INTERP";
 623         case PT_NOTE: return "NOTE";
 624         case PT_SHLIB: return "SHLIB";
 625         case PT_PHDR: return "PHDR";
 626         case PT_TLS: return "TLS";
 627         case PT_GNU_EH_FRAME: return "GNU_EH_FRAME";
 628         case PT_GNU_STACK: return "GNU_STACK";
 629         case PT_GNU_RELRO: return "GNU_RELRO";
 630         default:
 631                 if (ptype >= PT_LOPROC && ptype <= PT_HIPROC)
 632                         snprintf(s_ptype, sizeof(s_ptype), "LOPROC+%#x",
 633                             ptype - PT_LOPROC);
 634                 else if (ptype >= PT_LOOS && ptype <= PT_HIOS)
 635                         snprintf(s_ptype, sizeof(s_ptype), "LOOS+%#x",
 636                             ptype - PT_LOOS);
 637                 else
 638                         snprintf(s_ptype, sizeof(s_ptype), "<unknown: %#x>",
 639                             ptype);
 640                 return (s_ptype);
 641         }
 642 }
 643
 644 static const char *
 645 section_type(unsigned int mach, unsigned int stype)
 646 {
 647         static char s_stype[32];
 648
 649         if (stype >= SHT_LOPROC && stype <= SHT_HIPROC) {
 650                 switch (mach) {
 651                 case EM_X86_64:
 652                         switch (stype) {
 653                         case SHT_AMD64_UNWIND: return "AMD64_UNWIND";
 654                         default:
 655                                 break;
 656                         }
 657                         break;
 658                 case EM_MIPS:
 659                 case EM_MIPS_RS3_LE:
 660                         switch (stype) {
 661                         case SHT_MIPS_LIBLIST: return "MIPS_LIBLIST";
 662                         case SHT_MIPS_MSYM: return "MIPS_MSYM";
 663                         case SHT_MIPS_CONFLICT: return "MIPS_CONFLICT";
 664                         case SHT_MIPS_GPTAB: return "MIPS_GPTAB";
 665                         case SHT_MIPS_UCODE: return "MIPS_UCODE";
 666                         case SHT_MIPS_DEBUG: return "MIPS_DEBUG";
 667                         case SHT_MIPS_REGINFO: return "MIPS_REGINFO";
 668                         case SHT_MIPS_PACKAGE: return "MIPS_PACKAGE";
 669                         case SHT_MIPS_PACKSYM: return "MIPS_PACKSYM";
 670                         case SHT_MIPS_RELD: return "MIPS_RELD";
 671                         case SHT_MIPS_IFACE: return "MIPS_IFACE";
 672                         case SHT_MIPS_CONTENT: return "MIPS_CONTENT";
 673                         case SHT_MIPS_OPTIONS: return "MIPS_OPTIONS";
 674                         case SHT_MIPS_DELTASYM: return "MIPS_DELTASYM";
 675                         case SHT_MIPS_DELTAINST: return "MIPS_DELTAINST";
 676                         case SHT_MIPS_DELTACLASS: return "MIPS_DELTACLASS";
 677                         case SHT_MIPS_DWARF: return "MIPS_DWARF";
 678                         case SHT_MIPS_DELTADECL: return "MIPS_DELTADECL";
 679                         case SHT_MIPS_SYMBOL_LIB: return "MIPS_SYMBOL_LIB";
 680                         case SHT_MIPS_EVENTS: return "MIPS_EVENTS";
 681                         case SHT_MIPS_TRANSLATE: return "MIPS_TRANSLATE";
 682                         case SHT_MIPS_PIXIE: return "MIPS_PIXIE";
 683                         case SHT_MIPS_XLATE: return "MIPS_XLATE";
 684                         case SHT_MIPS_XLATE_DEBUG: return "MIPS_XLATE_DEBUG";
 685                         case SHT_MIPS_WHIRL: return "MIPS_WHIRL";
 686                         case SHT_MIPS_EH_REGION: return "MIPS_EH_REGION";
 687                         case SHT_MIPS_XLATE_OLD: return "MIPS_XLATE_OLD";
 688                         case SHT_MIPS_PDR_EXCEPTION: return "MIPS_PDR_EXCEPTION";
 689                         default:
 690                                 break;
 691                         }
 692                         break;
 693                 default:
 694                         break;
 695                 }
 696
 697                 snprintf(s_stype, sizeof(s_stype), "LOPROC+%#x",
 698                     stype - SHT_LOPROC);
 699                 return (s_stype);
 700         }
 701
 702         switch (stype) {
 703         case SHT_NULL: return "NULL";
 704         case SHT_PROGBITS: return "PROGBITS";
 705         case SHT_SYMTAB: return "SYMTAB";
 706         case SHT_STRTAB: return "STRTAB";
 707         case SHT_RELA: return "RELA";
 708         case SHT_HASH: return "HASH";
 709         case SHT_DYNAMIC: return "DYNAMIC";
 710         case SHT_NOTE: return "NOTE";
 711         case SHT_NOBITS: return "NOBITS";
 712         case SHT_REL: return "REL";
 713         case SHT_SHLIB: return "SHLIB";
 714         case SHT_DYNSYM: return "DYNSYM";
 715         case SHT_INIT_ARRAY: return "INIT_ARRAY";
 716         case SHT_FINI_ARRAY: return "FINI_ARRAY";
 717         case SHT_PREINIT_ARRAY: return "PREINIT_ARRAY";
 718         case SHT_GROUP: return "GROUP";
 719         case SHT_SYMTAB_SHNDX: return "SYMTAB_SHNDX";
 720         case SHT_SUNW_dof: return "SUNW_dof";
 721         case SHT_SUNW_cap: return "SUNW_cap";
 722         case SHT_GNU_HASH: return "GNU_HASH";
 723         case SHT_SUNW_ANNOTATE: return "SUNW_ANNOTATE";
 724         case SHT_SUNW_DEBUGSTR: return "SUNW_DEBUGSTR";
 725         case SHT_SUNW_DEBUG: return "SUNW_DEBUG";
 726         case SHT_SUNW_move: return "SUNW_move";
 727         case SHT_SUNW_COMDAT: return "SUNW_COMDAT";
 728         case SHT_SUNW_syminfo: return "SUNW_syminfo";
 729         case SHT_SUNW_verdef: return "SUNW_verdef";
 730         case SHT_SUNW_verneed: return "SUNW_verneed";
 731         case SHT_SUNW_versym: return "SUNW_versym";
 732         default:
 733                 if (stype >= SHT_LOOS && stype <= SHT_HIOS)
 734                         snprintf(s_stype, sizeof(s_stype), "LOOS+%#x",
 735                             stype - SHT_LOOS);
 736                 else if (stype >= SHT_LOUSER)
 737                         snprintf(s_stype, sizeof(s_stype), "LOUSER+%#x",
 738                             stype - SHT_LOUSER);
 739                 else
 740                         snprintf(s_stype, sizeof(s_stype), "<unknown: %#x>",
 741                             stype);
 742                 return (s_stype);
 743         }
 744 }
 745
 746 static const char *
 747 dt_type(unsigned int mach, unsigned int dtype)
 748 {
 749         static char s_dtype[32];
 750
 751         if (dtype >= DT_LOPROC && dtype <= DT_HIPROC) {
 752                 switch (mach) {
 753                 case EM_ARM:
 754                         switch (dtype) {
 755                         case DT_ARM_SYMTABSZ:
 756                                 return "ARM_SYMTABSZ";
 757                         default:
 758                                 break;
 759                         }
 760                         break;
 761                 case EM_MIPS:
 762                 case EM_MIPS_RS3_LE:
 763                         switch (dtype) {
 764                         case DT_MIPS_RLD_VERSION:
 765                                 return "MIPS_RLD_VERSION";
 766                         case DT_MIPS_TIME_STAMP:
 767                                 return "MIPS_TIME_STAMP";
 768                         case DT_MIPS_ICHECKSUM:
 769                                 return "MIPS_ICHECKSUM";
 770                         case DT_MIPS_IVERSION:
 771                                 return "MIPS_IVERSION";
 772                         case DT_MIPS_FLAGS:
 773                                 return "MIPS_FLAGS";
 774                         case DT_MIPS_BASE_ADDRESS:
 775                                 return "MIPS_BASE_ADDRESS";
 776                         case DT_MIPS_CONFLICT:
 777                                 return "MIPS_CONFLICT";
 778                         case DT_MIPS_LIBLIST:
 779                                 return "MIPS_LIBLIST";
 780                         case DT_MIPS_LOCAL_GOTNO:
 781                                 return "MIPS_LOCAL_GOTNO";
 782                         case DT_MIPS_CONFLICTNO:
 783                                 return "MIPS_CONFLICTNO";
 784                         case DT_MIPS_LIBLISTNO:
 785                                 return "MIPS_LIBLISTNO";
 786                         case DT_MIPS_SYMTABNO:
 787                                 return "MIPS_SYMTABNO";
 788                         case DT_MIPS_UNREFEXTNO:
 789                                 return "MIPS_UNREFEXTNO";
 790                         case DT_MIPS_GOTSYM:
 791                                 return "MIPS_GOTSYM";
 792                         case DT_MIPS_HIPAGENO:
 793                                 return "MIPS_HIPAGENO";
 794                         case DT_MIPS_RLD_MAP:
 795                                 return "MIPS_RLD_MAP";
 796                         case DT_MIPS_DELTA_CLASS:
 797                                 return "MIPS_DELTA_CLASS";
 798                         case DT_MIPS_DELTA_CLASS_NO:
 799                                 return "MIPS_DELTA_CLASS_NO";
 800                         case DT_MIPS_DELTA_INSTANCE:
 801                                 return "MIPS_DELTA_INSTANCE";
 802                         case DT_MIPS_DELTA_INSTANCE_NO:
 803                                 return "MIPS_DELTA_INSTANCE_NO";
 804                         case DT_MIPS_DELTA_RELOC:
 805                                 return "MIPS_DELTA_RELOC";
 806                         case DT_MIPS_DELTA_RELOC_NO:
 807                                 return "MIPS_DELTA_RELOC_NO";
 808                         case DT_MIPS_DELTA_SYM:
 809                                 return "MIPS_DELTA_SYM";
 810                         case DT_MIPS_DELTA_SYM_NO:
 811                                 return "MIPS_DELTA_SYM_NO";
 812                         case DT_MIPS_DELTA_CLASSSYM:
 813                                 return "MIPS_DELTA_CLASSSYM";
 814                         case DT_MIPS_DELTA_CLASSSYM_NO:
 815                                 return "MIPS_DELTA_CLASSSYM_NO";
 816                         case DT_MIPS_CXX_FLAGS:
 817                                 return "MIPS_CXX_FLAGS";
 818                         case DT_MIPS_PIXIE_INIT:
 819                                 return "MIPS_PIXIE_INIT";
 820                         case DT_MIPS_SYMBOL_LIB:
 821                                 return "MIPS_SYMBOL_LIB";
 822                         case DT_MIPS_LOCALPAGE_GOTIDX:
 823                                 return "MIPS_LOCALPAGE_GOTIDX";
 824                         case DT_MIPS_LOCAL_GOTIDX:
 825                                 return "MIPS_LOCAL_GOTIDX";
 826                         case DT_MIPS_HIDDEN_GOTIDX:
 827                                 return "MIPS_HIDDEN_GOTIDX";
 828                         case DT_MIPS_PROTECTED_GOTIDX:
 829                                 return "MIPS_PROTECTED_GOTIDX";
 830                         case DT_MIPS_OPTIONS:
 831                                 return "MIPS_OPTIONS";
 832                         case DT_MIPS_INTERFACE:
 833                                 return "MIPS_INTERFACE";
 834                         case DT_MIPS_DYNSTR_ALIGN:
 835                                 return "MIPS_DYNSTR_ALIGN";
 836                         case DT_MIPS_INTERFACE_SIZE:
 837                                 return "MIPS_INTERFACE_SIZE";
 838                         case DT_MIPS_RLD_TEXT_RESOLVE_ADDR:
 839                                 return "MIPS_RLD_TEXT_RESOLVE_ADDR";
 840                         case DT_MIPS_PERF_SUFFIX:
 841                                 return "MIPS_PERF_SUFFIX";
 842                         case DT_MIPS_COMPACT_SIZE:
 843                                 return "MIPS_COMPACT_SIZE";
 844                         case DT_MIPS_GP_VALUE:
 845                                 return "MIPS_GP_VALUE";
 846                         case DT_MIPS_AUX_DYNAMIC:
 847                                 return "MIPS_AUX_DYNAMIC";
 848                         case DT_MIPS_PLTGOT:
 849                                 return "MIPS_PLTGOT";
 850                         case DT_MIPS_RLD_OBJ_UPDATE:
 851                                 return "MIPS_RLD_OBJ_UPDATE";
 852                         case DT_MIPS_RWPLT:
 853                                 return "MIPS_RWPLT";
 854                         default:
 855                                 break;
 856                         }
 857                         break;
 858                 case EM_SPARC:
 859                 case EM_SPARC32PLUS:
 860                 case EM_SPARCV9:
 861                         switch (dtype) {
 862                         case DT_SPARC_REGISTER:
 863                                 return "DT_SPARC_REGISTER";
 864                         default:
 865                                 break;
 866                         }
 867                         break;
 868                 default:
 869                         break;
 870                 }
 871                 snprintf(s_dtype, sizeof(s_dtype), "<unknown: %#x>", dtype);
 872                 return (s_dtype);
 873         }
 874
 875         switch (dtype) {
 876         case DT_NULL: return "NULL";
 877         case DT_NEEDED: return "NEEDED";
 878         case DT_PLTRELSZ: return "PLTRELSZ";
 879         case DT_PLTGOT: return "PLTGOT";
 880         case DT_HASH: return "HASH";
 881         case DT_STRTAB: return "STRTAB";
 882         case DT_SYMTAB: return "SYMTAB";
 883         case DT_RELA: return "RELA";
 884         case DT_RELASZ: return "RELASZ";
 885         case DT_RELAENT: return "RELAENT";
 886         case DT_STRSZ: return "STRSZ";
 887         case DT_SYMENT: return "SYMENT";
 888         case DT_INIT: return "INIT";
 889         case DT_FINI: return "FINI";
 890         case DT_SONAME: return "SONAME";
 891         case DT_RPATH: return "RPATH";
 892         case DT_SYMBOLIC: return "SYMBOLIC";
 893         case DT_REL: return "REL";
 894         case DT_RELSZ: return "RELSZ";
 895         case DT_RELENT: return "RELENT";
 896         case DT_PLTREL: return "PLTREL";
 897         case DT_DEBUG: return "DEBUG";
 898         case DT_TEXTREL: return "TEXTREL";
 899         case DT_JMPREL: return "JMPREL";
 900         case DT_BIND_NOW: return "BIND_NOW";
 901         case DT_INIT_ARRAY: return "INIT_ARRAY";
 902         case DT_FINI_ARRAY: return "FINI_ARRAY";
 903         case DT_INIT_ARRAYSZ: return "INIT_ARRAYSZ";
 904         case DT_FINI_ARRAYSZ: return "FINI_ARRAYSZ";
 905         case DT_RUNPATH: return "RUNPATH";
 906         case DT_FLAGS: return "FLAGS";
 907         case DT_PREINIT_ARRAY: return "PREINIT_ARRAY";
 908         case DT_PREINIT_ARRAYSZ: return "PREINIT_ARRAYSZ";
 909         case DT_MAXPOSTAGS: return "MAXPOSTAGS";
 910         case DT_SUNW_AUXILIARY: return "SUNW_AUXILIARY";
 911         case DT_SUNW_RTLDINF: return "SUNW_RTLDINF";
 912         case DT_SUNW_FILTER: return "SUNW_FILTER";
 913         case DT_SUNW_CAP: return "SUNW_CAP";
 914         case DT_CHECKSUM: return "CHECKSUM";
 915         case DT_PLTPADSZ: return "PLTPADSZ";
 916         case DT_MOVEENT: return "MOVEENT";
 917         case DT_MOVESZ: return "MOVESZ";
 918         case DT_FEATURE: return "FEATURE";
 919         case DT_POSFLAG_1: return "POSFLAG_1";
 920         case DT_SYMINSZ: return "SYMINSZ";
 921         case DT_SYMINENT: return "SYMINENT";
 922         case DT_GNU_HASH: return "GNU_HASH";
 923         case DT_GNU_CONFLICT: return "GNU_CONFLICT";
 924         case DT_GNU_LIBLIST: return "GNU_LIBLIST";
 925         case DT_CONFIG: return "CONFIG";
 926         case DT_DEPAUDIT: return "DEPAUDIT";
 927         case DT_AUDIT: return "AUDIT";
 928         case DT_PLTPAD: return "PLTPAD";
 929         case DT_MOVETAB: return "MOVETAB";
 930         case DT_SYMINFO: return "SYMINFO";
 931         case DT_VERSYM: return "VERSYM";
 932         case DT_RELACOUNT: return "RELACOUNT";
 933         case DT_RELCOUNT: return "RELCOUNT";
 934         case DT_FLAGS_1: return "FLAGS_1";
 935         case DT_VERDEF: return "VERDEF";
 936         case DT_VERDEFNUM: return "VERDEFNUM";
 937         case DT_VERNEED: return "VERNEED";
 938         case DT_VERNEEDNUM: return "VERNEEDNUM";
 939         case DT_AUXILIARY: return "AUXILIARY";
 940         case DT_USED: return "USED";
 941         case DT_FILTER: return "FILTER";
 942         case DT_GNU_PRELINKED: return "GNU_PRELINKED";
 943         case DT_GNU_CONFLICTSZ: return "GNU_CONFLICTSZ";
 944         case DT_GNU_LIBLISTSZ: return "GNU_LIBLISTSZ";
 945         default:
 946                 snprintf(s_dtype, sizeof(s_dtype), "<unknown: %#x>", dtype);
 947                 return (s_dtype);
 948         }
 949 }
 950
 951 static const char *
 952 st_bind(unsigned int sbind)
 953 {
 954         static char s_sbind[32];
 955
 956         switch (sbind) {
 957         case STB_LOCAL: return "LOCAL";
 958         case STB_GLOBAL: return "GLOBAL";
 959         case STB_WEAK: return "WEAK";
 960         default:
 961                 if (sbind >= STB_LOOS && sbind <= STB_HIOS)
 962                         return "OS";
 963                 else if (sbind >= STB_LOPROC && sbind <= STB_HIPROC)
 964                         return "PROC";
 965                 else
 966                         snprintf(s_sbind, sizeof(s_sbind), "<unknown: %#x>",
 967                             sbind);
 968                 return (s_sbind);
 969         }
 970 }
 971
 972 static const char *
 973 st_type(unsigned int stype)
 974 {
 975         static char s_stype[32];
 976
 977         switch (stype) {
 978         case STT_NOTYPE: return "NOTYPE";
 979         case STT_OBJECT: return "OBJECT";
 980         case STT_FUNC: return "FUNC";
 981         case STT_SECTION: return "SECTION";
 982         case STT_FILE: return "FILE";
 983         case STT_COMMON: return "COMMON";
 984         case STT_TLS: return "TLS";
 985         default:
 986                 if (stype >= STT_LOOS && stype <= STT_HIOS)
 987                         snprintf(s_stype, sizeof(s_stype), "OS+%#x",
 988                             stype - STT_LOOS);
 989                 else if (stype >= STT_LOPROC && stype <= STT_HIPROC)
 990                         snprintf(s_stype, sizeof(s_stype), "PROC+%#x",
 991                             stype - STT_LOPROC);
 992                 else
 993                         snprintf(s_stype, sizeof(s_stype), "<unknown: %#x>",
 994                             stype);
 995                 return (s_stype);
 996         }
 997 }
 998
 999 static const char *
1000 st_vis(unsigned int svis)
1001 {
1002         static char s_svis[32];
1003
1004         switch(svis) {
1005         case STV_DEFAULT: return "DEFAULT";
1006         case STV_INTERNAL: return "INTERNAL";
1007         case STV_HIDDEN: return "HIDDEN";
1008         case STV_PROTECTED: return "PROTECTED";
1009         default:
1010                 snprintf(s_svis, sizeof(s_svis), "<unknown: %#x>", svis);
1011                 return (s_svis);
1012         }
1013 }
1014
1015 static const char *
1016 st_shndx(unsigned int shndx)
1017 {
1018         static char s_shndx[32];
1019
1020         switch (shndx) {
1021         case SHN_UNDEF: return "UND";
1022         case SHN_ABS: return "ABS";
1023         case SHN_COMMON: return "COM";
1024         default:
1025                 if (shndx >= SHN_LOPROC && shndx <= SHN_HIPROC)
1026                         return "PRC";
1027                 else if (shndx >= SHN_LOOS && shndx <= SHN_HIOS)
1028                         return "OS";
1029                 else
1030                         snprintf(s_shndx, sizeof(s_shndx), "%u", shndx);
1031                 return (s_shndx);
1032         }
1033 }
1034
1035 static struct {
1036         const char *ln;
1037         char sn;
1038         int value;
1039 } section_flag[] = {
1040         {"WRITE", 'W', SHF_WRITE},
1041         {"ALLOC", 'A', SHF_ALLOC},
1042         {"EXEC", 'X', SHF_EXECINSTR},
1043         {"MERGE", 'M', SHF_MERGE},
1044         {"STRINGS", 'S', SHF_STRINGS},
1045         {"INFO LINK", 'I', SHF_INFO_LINK},
1046         {"OS NONCONF", 'O', SHF_OS_NONCONFORMING},
1047         {"GROUP", 'G', SHF_GROUP},
1048         {"TLS", 'T', SHF_TLS},
1049         {NULL, 0, 0}
1050 };
1051
1052 static const char *
1053 r_type(unsigned int mach, unsigned int type)
1054 {
1055         switch(mach) {
1056         case EM_NONE: return "";
1057         case EM_386:
1058         case EM_IAMCU:
1059                 switch(type) {
1060                 case 0: return "R_386_NONE";
1061                 case 1: return "R_386_32";
1062                 case 2: return "R_386_PC32";
1063                 case 3: return "R_386_GOT32";
1064                 case 4: return "R_386_PLT32";
1065                 case 5: return "R_386_COPY";
1066                 case 6: return "R_386_GLOB_DAT";
1067                 case 7: return "R_386_JMP_SLOT";
1068                 case 8: return "R_386_RELATIVE";
1069                 case 9: return "R_386_GOTOFF";
1070                 case 10: return "R_386_GOTPC";
1071                 case 14: return "R_386_TLS_TPOFF";
1072                 case 15: return "R_386_TLS_IE";
1073                 case 16: return "R_386_TLS_GOTIE";
1074                 case 17: return "R_386_TLS_LE";
1075                 case 18: return "R_386_TLS_GD";
1076                 case 19: return "R_386_TLS_LDM";
1077                 case 24: return "R_386_TLS_GD_32";
1078                 case 25: return "R_386_TLS_GD_PUSH";
1079                 case 26: return "R_386_TLS_GD_CALL";
1080                 case 27: return "R_386_TLS_GD_POP";
1081                 case 28: return "R_386_TLS_LDM_32";
1082                 case 29: return "R_386_TLS_LDM_PUSH";
1083                 case 30: return "R_386_TLS_LDM_CALL";
1084                 case 31: return "R_386_TLS_LDM_POP";
1085                 case 32: return "R_386_TLS_LDO_32";
1086                 case 33: return "R_386_TLS_IE_32";
1087                 case 34: return "R_386_TLS_LE_32";
1088                 case 35: return "R_386_TLS_DTPMOD32";
1089                 case 36: return "R_386_TLS_DTPOFF32";
1090                 case 37: return "R_386_TLS_TPOFF32";
1091                 default: return "";
1092                 }
1093         case EM_AARCH64:
1094                 switch(type) {
1095                 case 0: return "R_AARCH64_NONE";
1096                 case 257: return "R_AARCH64_ABS64";
1097                 case 258: return "R_AARCH64_ABS32";
1098                 case 259: return "R_AARCH64_ABS16";
1099                 case 260: return "R_AARCH64_PREL64";
1100                 case 261: return "R_AARCH64_PREL32";
1101                 case 262: return "R_AARCH64_PREL16";
1102                 case 263: return "R_AARCH64_MOVW_UABS_G0";
1103                 case 264: return "R_AARCH64_MOVW_UABS_G0_NC";
1104                 case 265: return "R_AARCH64_MOVW_UABS_G1";
1105                 case 266: return "R_AARCH64_MOVW_UABS_G1_NC";
1106                 case 267: return "R_AARCH64_MOVW_UABS_G2";
1107                 case 268: return "R_AARCH64_MOVW_UABS_G2_NC";
1108                 case 269: return "R_AARCH64_MOVW_UABS_G3";
1109                 case 270: return "R_AARCH64_MOVW_SABS_G0";
1110                 case 271: return "R_AARCH64_MOVW_SABS_G1";
1111                 case 272: return "R_AARCH64_MOVW_SABS_G2";
1112                 case 273: return "R_AARCH64_LD_PREL_LO19";
1113                 case 274: return "R_AARCH64_ADR_PREL_LO21";
1114                 case 275: return "R_AARCH64_ADR_PREL_PG_HI21";
1115                 case 276: return "R_AARCH64_ADR_PREL_PG_HI21_NC";
1116                 case 277: return "R_AARCH64_ADD_ABS_LO12_NC";
1117                 case 278: return "R_AARCH64_LDST8_ABS_LO12_NC";
1118                 case 279: return "R_AARCH64_TSTBR14";
1119                 case 280: return "R_AARCH64_CONDBR19";
1120                 case 282: return "R_AARCH64_JUMP26";
1121                 case 283: return "R_AARCH64_CALL26";
1122                 case 284: return "R_AARCH64_LDST16_ABS_LO12_NC";
1123                 case 285: return "R_AARCH64_LDST32_ABS_LO12_NC";
1124                 case 286: return "R_AARCH64_LDST64_ABS_LO12_NC";
1125                 case 287: return "R_AARCH64_MOVW_PREL_G0";
1126                 case 288: return "R_AARCH64_MOVW_PREL_G0_NC";
1127                 case 289: return "R_AARCH64_MOVW_PREL_G1";
1128                 case 290: return "R_AARCH64_MOVW_PREL_G1_NC";
1129                 case 291: return "R_AARCH64_MOVW_PREL_G2";
1130                 case 292: return "R_AARCH64_MOVW_PREL_G2_NC";
1131                 case 293: return "R_AARCH64_MOVW_PREL_G3";
1132                 case 299: return "R_AARCH64_LDST128_ABS_LO12_NC";
1133                 case 300: return "R_AARCH64_MOVW_GOTOFF_G0";
1134                 case 301: return "R_AARCH64_MOVW_GOTOFF_G0_NC";
1135                 case 302: return "R_AARCH64_MOVW_GOTOFF_G1";
1136                 case 303: return "R_AARCH64_MOVW_GOTOFF_G1_NC";
1137                 case 304: return "R_AARCH64_MOVW_GOTOFF_G2";
1138                 case 305: return "R_AARCH64_MOVW_GOTOFF_G2_NC";
1139                 case 306: return "R_AARCH64_MOVW_GOTOFF_G3";
1140                 case 307: return "R_AARCH64_GOTREL64";
1141                 case 308: return "R_AARCH64_GOTREL32";
1142                 case 309: return "R_AARCH64_GOT_LD_PREL19";
1143                 case 310: return "R_AARCH64_LD64_GOTOFF_LO15";
1144                 case 311: return "R_AARCH64_ADR_GOT_PAGE";
1145                 case 312: return "R_AARCH64_LD64_GOT_LO12_NC";
1146                 case 313: return "R_AARCH64_LD64_GOTPAGE_LO15";
1147                 case 1024: return "R_AARCH64_COPY";
1148                 case 1025: return "R_AARCH64_GLOB_DAT";
1149                 case 1026: return "R_AARCH64_JUMP_SLOT";
1150                 case 1027: return "R_AARCH64_RELATIVE";
1151                 case 1028: return "R_AARCH64_TLS_DTPREL64";
1152                 case 1029: return "R_AARCH64_TLS_DTPMOD64";
1153                 case 1030: return "R_AARCH64_TLS_TPREL64";
1154                 case 1031: return "R_AARCH64_TLSDESC";
1155                 case 1032: return "R_AARCH64_IRELATIVE";
1156                 default: return "";
1157                 }
1158         case EM_ARM:
1159                 switch(type) {
1160                 case 0: return "R_ARM_NONE";
1161                 case 1: return "R_ARM_PC24";
1162                 case 2: return "R_ARM_ABS32";
1163                 case 3: return "R_ARM_REL32";
1164                 case 4: return "R_ARM_PC13";
1165                 case 5: return "R_ARM_ABS16";
1166                 case 6: return "R_ARM_ABS12";
1167                 case 7: return "R_ARM_THM_ABS5";
1168                 case 8: return "R_ARM_ABS8";
1169                 case 9: return "R_ARM_SBREL32";
1170                 case 10: return "R_ARM_THM_PC22";
1171                 case 11: return "R_ARM_THM_PC8";
1172                 case 12: return "R_ARM_AMP_VCALL9";
1173                 case 13: return "R_ARM_SWI24";
1174                 case 14: return "R_ARM_THM_SWI8";
1175                 case 15: return "R_ARM_XPC25";
1176                 case 16: return "R_ARM_THM_XPC22";
1177                 case 20: return "R_ARM_COPY";
1178                 case 21: return "R_ARM_GLOB_DAT";
1179                 case 22: return "R_ARM_JUMP_SLOT";
1180                 case 23: return "R_ARM_RELATIVE";
1181                 case 24: return "R_ARM_GOTOFF";
1182                 case 25: return "R_ARM_GOTPC";
1183                 case 26: return "R_ARM_GOT32";
1184                 case 27: return "R_ARM_PLT32";
1185                 case 100: return "R_ARM_GNU_VTENTRY";
1186                 case 101: return "R_ARM_GNU_VTINHERIT";
1187                 case 250: return "R_ARM_RSBREL32";
1188                 case 251: return "R_ARM_THM_RPC22";
1189                 case 252: return "R_ARM_RREL32";
1190                 case 253: return "R_ARM_RABS32";
1191                 case 254: return "R_ARM_RPC24";
1192                 case 255: return "R_ARM_RBASE";
1193                 default: return "";
1194                 }
1195         case EM_IA_64:
1196                 switch(type) {
1197                 case 0: return "R_IA_64_NONE";
1198                 case 33: return "R_IA_64_IMM14";
1199                 case 34: return "R_IA_64_IMM22";
1200                 case 35: return "R_IA_64_IMM64";
1201                 case 36: return "R_IA_64_DIR32MSB";
1202                 case 37: return "R_IA_64_DIR32LSB";
1203                 case 38: return "R_IA_64_DIR64MSB";
1204                 case 39: return "R_IA_64_DIR64LSB";
1205                 case 42: return "R_IA_64_GPREL22";
1206                 case 43: return "R_IA_64_GPREL64I";
1207                 case 44: return "R_IA_64_GPREL32MSB";
1208                 case 45: return "R_IA_64_GPREL32LSB";
1209                 case 46: return "R_IA_64_GPREL64MSB";
1210                 case 47: return "R_IA_64_GPREL64LSB";
1211                 case 50: return "R_IA_64_LTOFF22";
1212                 case 51: return "R_IA_64_LTOFF64I";
1213                 case 58: return "R_IA_64_PLTOFF22";
1214                 case 59: return "R_IA_64_PLTOFF64I";
1215                 case 62: return "R_IA_64_PLTOFF64MSB";
1216                 case 63: return "R_IA_64_PLTOFF64LSB";
1217                 case 67: return "R_IA_64_FPTR64I";
1218                 case 68: return "R_IA_64_FPTR32MSB";
1219                 case 69: return "R_IA_64_FPTR32LSB";
1220                 case 70: return "R_IA_64_FPTR64MSB";
1221                 case 71: return "R_IA_64_FPTR64LSB";
1222                 case 72: return "R_IA_64_PCREL60B";
1223                 case 73: return "R_IA_64_PCREL21B";
1224                 case 74: return "R_IA_64_PCREL21M";
1225                 case 75: return "R_IA_64_PCREL21F";
1226                 case 76: return "R_IA_64_PCREL32MSB";
1227                 case 77: return "R_IA_64_PCREL32LSB";
1228                 case 78: return "R_IA_64_PCREL64MSB";
1229                 case 79: return "R_IA_64_PCREL64LSB";
1230                 case 82: return "R_IA_64_LTOFF_FPTR22";
1231                 case 83: return "R_IA_64_LTOFF_FPTR64I";
1232                 case 84: return "R_IA_64_LTOFF_FPTR32MSB";
1233                 case 85: return "R_IA_64_LTOFF_FPTR32LSB";
1234                 case 86: return "R_IA_64_LTOFF_FPTR64MSB";
1235                 case 87: return "R_IA_64_LTOFF_FPTR64LSB";
1236                 case 92: return "R_IA_64_SEGREL32MSB";
1237                 case 93: return "R_IA_64_SEGREL32LSB";
1238                 case 94: return "R_IA_64_SEGREL64MSB";
1239                 case 95: return "R_IA_64_SEGREL64LSB";
1240                 case 100: return "R_IA_64_SECREL32MSB";
1241                 case 101: return "R_IA_64_SECREL32LSB";
1242                 case 102: return "R_IA_64_SECREL64MSB";
1243                 case 103: return "R_IA_64_SECREL64LSB";
1244                 case 108: return "R_IA_64_REL32MSB";
1245                 case 109: return "R_IA_64_REL32LSB";
1246                 case 110: return "R_IA_64_REL64MSB";
1247                 case 111: return "R_IA_64_REL64LSB";
1248                 case 116: return "R_IA_64_LTV32MSB";
1249                 case 117: return "R_IA_64_LTV32LSB";
1250                 case 118: return "R_IA_64_LTV64MSB";
1251                 case 119: return "R_IA_64_LTV64LSB";
1252                 case 121: return "R_IA_64_PCREL21BI";
1253                 case 122: return "R_IA_64_PCREL22";
1254                 case 123: return "R_IA_64_PCREL64I";
1255                 case 128: return "R_IA_64_IPLTMSB";
1256                 case 129: return "R_IA_64_IPLTLSB";
1257                 case 133: return "R_IA_64_SUB";
1258                 case 134: return "R_IA_64_LTOFF22X";
1259                 case 135: return "R_IA_64_LDXMOV";
1260                 case 145: return "R_IA_64_TPREL14";
1261                 case 146: return "R_IA_64_TPREL22";
1262                 case 147: return "R_IA_64_TPREL64I";
1263                 case 150: return "R_IA_64_TPREL64MSB";
1264                 case 151: return "R_IA_64_TPREL64LSB";
1265                 case 154: return "R_IA_64_LTOFF_TPREL22";
1266                 case 166: return "R_IA_64_DTPMOD64MSB";
1267                 case 167: return "R_IA_64_DTPMOD64LSB";
1268                 case 170: return "R_IA_64_LTOFF_DTPMOD22";
1269                 case 177: return "R_IA_64_DTPREL14";
1270                 case 178: return "R_IA_64_DTPREL22";
1271                 case 179: return "R_IA_64_DTPREL64I";
1272                 case 180: return "R_IA_64_DTPREL32MSB";
1273                 case 181: return "R_IA_64_DTPREL32LSB";
1274                 case 182: return "R_IA_64_DTPREL64MSB";
1275                 case 183: return "R_IA_64_DTPREL64LSB";
1276                 case 186: return "R_IA_64_LTOFF_DTPREL22";
1277                 default: return "";
1278                 }
1279         case EM_MIPS:
1280                 switch(type) {
1281                 case 0: return "R_MIPS_NONE";
1282                 case 1: return "R_MIPS_16";
1283                 case 2: return "R_MIPS_32";
1284                 case 3: return "R_MIPS_REL32";
1285                 case 4: return "R_MIPS_26";
1286                 case 5: return "R_MIPS_HI16";
1287                 case 6: return "R_MIPS_LO16";
1288                 case 7: return "R_MIPS_GPREL16";
1289                 case 8: return "R_MIPS_LITERAL";
1290                 case 9: return "R_MIPS_GOT16";
1291                 case 10: return "R_MIPS_PC16";
1292                 case 11: return "R_MIPS_CALL16";
1293                 case 12: return "R_MIPS_GPREL32";
1294                 case 21: return "R_MIPS_GOTHI16";
1295                 case 22: return "R_MIPS_GOTLO16";
1296                 case 30: return "R_MIPS_CALLHI16";
1297                 case 31: return "R_MIPS_CALLLO16";
1298                 default: return "";
1299                 }
1300         case EM_PPC:
1301                 switch(type) {
1302                 case 0: return "R_PPC_NONE";
1303                 case 1: return "R_PPC_ADDR32";
1304                 case 2: return "R_PPC_ADDR24";
1305                 case 3: return "R_PPC_ADDR16";
1306                 case 4: return "R_PPC_ADDR16_LO";
1307                 case 5: return "R_PPC_ADDR16_HI";
1308                 case 6: return "R_PPC_ADDR16_HA";
1309                 case 7: return "R_PPC_ADDR14";
1310                 case 8: return "R_PPC_ADDR14_BRTAKEN";
1311                 case 9: return "R_PPC_ADDR14_BRNTAKEN";
1312                 case 10: return "R_PPC_REL24";
1313                 case 11: return "R_PPC_REL14";
1314                 case 12: return "R_PPC_REL14_BRTAKEN";
1315                 case 13: return "R_PPC_REL14_BRNTAKEN";
1316                 case 14: return "R_PPC_GOT16";
1317                 case 15: return "R_PPC_GOT16_LO";
1318                 case 16: return "R_PPC_GOT16_HI";
1319                 case 17: return "R_PPC_GOT16_HA";
1320                 case 18: return "R_PPC_PLTREL24";
1321                 case 19: return "R_PPC_COPY";
1322                 case 20: return "R_PPC_GLOB_DAT";
1323                 case 21: return "R_PPC_JMP_SLOT";
1324                 case 22: return "R_PPC_RELATIVE";
1325                 case 23: return "R_PPC_LOCAL24PC";
1326                 case 24: return "R_PPC_UADDR32";
1327                 case 25: return "R_PPC_UADDR16";
1328                 case 26: return "R_PPC_REL32";
1329                 case 27: return "R_PPC_PLT32";
1330                 case 28: return "R_PPC_PLTREL32";
1331                 case 29: return "R_PPC_PLT16_LO";
1332                 case 30: return "R_PPC_PLT16_HI";
1333                 case 31: return "R_PPC_PLT16_HA";
1334                 case 32: return "R_PPC_SDAREL16";
1335                 case 33: return "R_PPC_SECTOFF";
1336                 case 34: return "R_PPC_SECTOFF_LO";
1337                 case 35: return "R_PPC_SECTOFF_HI";
1338                 case 36: return "R_PPC_SECTOFF_HA";
1339                 case 67: return "R_PPC_TLS";
1340                 case 68: return "R_PPC_DTPMOD32";
1341                 case 69: return "R_PPC_TPREL16";
1342                 case 70: return "R_PPC_TPREL16_LO";
1343                 case 71: return "R_PPC_TPREL16_HI";
1344                 case 72: return "R_PPC_TPREL16_HA";
1345                 case 73: return "R_PPC_TPREL32";
1346                 case 74: return "R_PPC_DTPREL16";
1347                 case 75: return "R_PPC_DTPREL16_LO";
1348                 case 76: return "R_PPC_DTPREL16_HI";
1349                 case 77: return "R_PPC_DTPREL16_HA";
1350                 case 78: return "R_PPC_DTPREL32";
1351                 case 79: return "R_PPC_GOT_TLSGD16";
1352                 case 80: return "R_PPC_GOT_TLSGD16_LO";
1353                 case 81: return "R_PPC_GOT_TLSGD16_HI";
1354                 case 82: return "R_PPC_GOT_TLSGD16_HA";
1355                 case 83: return "R_PPC_GOT_TLSLD16";
1356                 case 84: return "R_PPC_GOT_TLSLD16_LO";
1357                 case 85: return "R_PPC_GOT_TLSLD16_HI";
1358                 case 86: return "R_PPC_GOT_TLSLD16_HA";
1359                 case 87: return "R_PPC_GOT_TPREL16";
1360                 case 88: return "R_PPC_GOT_TPREL16_LO";
1361                 case 89: return "R_PPC_GOT_TPREL16_HI";
1362                 case 90: return "R_PPC_GOT_TPREL16_HA";
1363                 case 101: return "R_PPC_EMB_NADDR32";
1364                 case 102: return "R_PPC_EMB_NADDR16";
1365                 case 103: return "R_PPC_EMB_NADDR16_LO";
1366                 case 104: return "R_PPC_EMB_NADDR16_HI";
1367                 case 105: return "R_PPC_EMB_NADDR16_HA";
1368                 case 106: return "R_PPC_EMB_SDAI16";
1369                 case 107: return "R_PPC_EMB_SDA2I16";
1370                 case 108: return "R_PPC_EMB_SDA2REL";
1371                 case 109: return "R_PPC_EMB_SDA21";
1372                 case 110: return "R_PPC_EMB_MRKREF";
1373                 case 111: return "R_PPC_EMB_RELSEC16";
1374                 case 112: return "R_PPC_EMB_RELST_LO";
1375                 case 113: return "R_PPC_EMB_RELST_HI";
1376                 case 114: return "R_PPC_EMB_RELST_HA";
1377                 case 115: return "R_PPC_EMB_BIT_FLD";
1378                 case 116: return "R_PPC_EMB_RELSDA";
1379                 default: return "";
1380                 }
1381         case EM_SPARC:
1382         case EM_SPARCV9:
1383                 switch(type) {
1384                 case 0: return "R_SPARC_NONE";
1385                 case 1: return "R_SPARC_8";
1386                 case 2: return "R_SPARC_16";
1387                 case 3: return "R_SPARC_32";
1388                 case 4: return "R_SPARC_DISP8";
1389                 case 5: return "R_SPARC_DISP16";
1390                 case 6: return "R_SPARC_DISP32";
1391                 case 7: return "R_SPARC_WDISP30";
1392                 case 8: return "R_SPARC_WDISP22";
1393                 case 9: return "R_SPARC_HI22";
1394                 case 10: return "R_SPARC_22";
1395                 case 11: return "R_SPARC_13";
1396                 case 12: return "R_SPARC_LO10";
1397                 case 13: return "R_SPARC_GOT10";
1398                 case 14: return "R_SPARC_GOT13";
1399                 case 15: return "R_SPARC_GOT22";
1400                 case 16: return "R_SPARC_PC10";
1401                 case 17: return "R_SPARC_PC22";
1402                 case 18: return "R_SPARC_WPLT30";
1403                 case 19: return "R_SPARC_COPY";
1404                 case 20: return "R_SPARC_GLOB_DAT";
1405                 case 21: return "R_SPARC_JMP_SLOT";
1406                 case 22: return "R_SPARC_RELATIVE";
1407                 case 23: return "R_SPARC_UA32";
1408                 case 24: return "R_SPARC_PLT32";
1409                 case 25: return "R_SPARC_HIPLT22";
1410                 case 26: return "R_SPARC_LOPLT10";
1411                 case 27: return "R_SPARC_PCPLT32";
1412                 case 28: return "R_SPARC_PCPLT22";
1413                 case 29: return "R_SPARC_PCPLT10";
1414                 case 30: return "R_SPARC_10";
1415                 case 31: return "R_SPARC_11";
1416                 case 32: return "R_SPARC_64";
1417                 case 33: return "R_SPARC_OLO10";
1418                 case 34: return "R_SPARC_HH22";
1419                 case 35: return "R_SPARC_HM10";
1420                 case 36: return "R_SPARC_LM22";
1421                 case 37: return "R_SPARC_PC_HH22";
1422                 case 38: return "R_SPARC_PC_HM10";
1423                 case 39: return "R_SPARC_PC_LM22";
1424                 case 40: return "R_SPARC_WDISP16";
1425                 case 41: return "R_SPARC_WDISP19";
1426                 case 42: return "R_SPARC_GLOB_JMP";
1427                 case 43: return "R_SPARC_7";
1428                 case 44: return "R_SPARC_5";
1429                 case 45: return "R_SPARC_6";
1430                 case 46: return "R_SPARC_DISP64";
1431                 case 47: return "R_SPARC_PLT64";
1432                 case 48: return "R_SPARC_HIX22";
1433                 case 49: return "R_SPARC_LOX10";
1434                 case 50: return "R_SPARC_H44";
1435                 case 51: return "R_SPARC_M44";
1436                 case 52: return "R_SPARC_L44";
1437                 case 53: return "R_SPARC_REGISTER";
1438                 case 54: return "R_SPARC_UA64";
1439                 case 55: return "R_SPARC_UA16";
1440                 case 56: return "R_SPARC_TLS_GD_HI22";
1441                 case 57: return "R_SPARC_TLS_GD_LO10";
1442                 case 58: return "R_SPARC_TLS_GD_ADD";
1443                 case 59: return "R_SPARC_TLS_GD_CALL";
1444                 case 60: return "R_SPARC_TLS_LDM_HI22";
1445                 case 61: return "R_SPARC_TLS_LDM_LO10";
1446                 case 62: return "R_SPARC_TLS_LDM_ADD";
1447                 case 63: return "R_SPARC_TLS_LDM_CALL";
1448                 case 64: return "R_SPARC_TLS_LDO_HIX22";
1449                 case 65: return "R_SPARC_TLS_LDO_LOX10";
1450                 case 66: return "R_SPARC_TLS_LDO_ADD";
1451                 case 67: return "R_SPARC_TLS_IE_HI22";
1452                 case 68: return "R_SPARC_TLS_IE_LO10";
1453                 case 69: return "R_SPARC_TLS_IE_LD";
1454                 case 70: return "R_SPARC_TLS_IE_LDX";
1455                 case 71: return "R_SPARC_TLS_IE_ADD";
1456                 case 72: return "R_SPARC_TLS_LE_HIX22";
1457                 case 73: return "R_SPARC_TLS_LE_LOX10";
1458                 case 74: return "R_SPARC_TLS_DTPMOD32";
1459                 case 75: return "R_SPARC_TLS_DTPMOD64";
1460                 case 76: return "R_SPARC_TLS_DTPOFF32";
1461                 case 77: return "R_SPARC_TLS_DTPOFF64";
1462                 case 78: return "R_SPARC_TLS_TPOFF32";
1463                 case 79: return "R_SPARC_TLS_TPOFF64";
1464                 default: return "";
1465                 }
1466         case EM_X86_64:
1467                 switch(type) {
1468                 case 0: return "R_X86_64_NONE";
1469                 case 1: return "R_X86_64_64";
1470                 case 2: return "R_X86_64_PC32";
1471                 case 3: return "R_X86_64_GOT32";
1472                 case 4: return "R_X86_64_PLT32";
1473                 case 5: return "R_X86_64_COPY";
1474                 case 6: return "R_X86_64_GLOB_DAT";
1475                 case 7: return "R_X86_64_JMP_SLOT";
1476                 case 8: return "R_X86_64_RELATIVE";
1477                 case 9: return "R_X86_64_GOTPCREL";
1478                 case 10: return "R_X86_64_32";
1479                 case 11: return "R_X86_64_32S";
1480                 case 12: return "R_X86_64_16";
1481                 case 13: return "R_X86_64_PC16";
1482                 case 14: return "R_X86_64_8";
1483                 case 15: return "R_X86_64_PC8";
1484                 case 16: return "R_X86_64_DTPMOD64";
1485                 case 17: return "R_X86_64_DTPOFF64";
1486                 case 18: return "R_X86_64_TPOFF64";
1487                 case 19: return "R_X86_64_TLSGD";
1488                 case 20: return "R_X86_64_TLSLD";
1489                 case 21: return "R_X86_64_DTPOFF32";
1490                 case 22: return "R_X86_64_GOTTPOFF";
1491                 case 23: return "R_X86_64_TPOFF32";
1492                 case 24: return "R_X86_64_PC64";
1493                 case 25: return "R_X86_64_GOTOFF64";
1494                 case 26: return "R_X86_64_GOTPC32";
1495                 case 27: return "R_X86_64_GOT64";
1496                 case 28: return "R_X86_64_GOTPCREL64";
1497                 case 29: return "R_X86_64_GOTPC64";
1498                 case 30: return "R_X86_64_GOTPLT64";
1499                 case 31: return "R_X86_64_PLTOFF64";
1500                 case 32: return "R_X86_64_SIZE32";
1501                 case 33: return "R_X86_64_SIZE64";
1502                 case 34: return "R_X86_64_GOTPC32_TLSDESC";
1503                 case 35: return "R_X86_64_TLSDESC_CALL";
1504                 case 36: return "R_X86_64_TLSDESC";
1505                 case 37: return "R_X86_64_IRELATIVE";
1506                 default: return "";
1507                 }
1508         default: return "";
1509         }
1510 }
1511
1512 static const char *
1513 note_type(const char *name, unsigned int et, unsigned int nt)
1514 {
1515         if ((strcmp(name, "CORE") == 0 || strcmp(name, "LINUX") == 0) &&
1516             et == ET_CORE)
1517                 return note_type_linux_core(nt);
1518         else if (strcmp(name, "FreeBSD") == 0)
1519                 if (et == ET_CORE)
1520                         return note_type_freebsd_core(nt);
1521                 else
1522                         return note_type_freebsd(nt);
1523         else if (strcmp(name, "GNU") == 0 && et != ET_CORE)
1524                 return note_type_gnu(nt);
1525         else if (strcmp(name, "NetBSD") == 0 && et != ET_CORE)
1526                 return note_type_netbsd(nt);
1527         else if (strcmp(name, "OpenBSD") == 0 && et != ET_CORE)
1528                 return note_type_openbsd(nt);
1529         return note_type_unknown(nt);
1530 }
1531
1532 static const char *
1533 note_type_freebsd(unsigned int nt)
1534 {
1535         switch (nt) {
1536         case 1: return "NT_FREEBSD_ABI_TAG";
1537         case 2: return "NT_FREEBSD_NOINIT_TAG";
1538         case 3: return "NT_FREEBSD_ARCH_TAG";
1539         default: return (note_type_unknown(nt));
1540         }
1541 }
1542
1543 static const char *
1544 note_type_freebsd_core(unsigned int nt)
1545 {
1546         switch (nt) {
1547         case 1: return "NT_PRSTATUS";
1548         case 2: return "NT_FPREGSET";
1549         case 3: return "NT_PRPSINFO";
1550         case 7: return "NT_THRMISC";
1551         case 8: return "NT_PROCSTAT_PROC";
1552         case 9: return "NT_PROCSTAT_FILES";
1553         case 10: return "NT_PROCSTAT_VMMAP";
1554         case 11: return "NT_PROCSTAT_GROUPS";
1555         case 12: return "NT_PROCSTAT_UMASK";
1556         case 13: return "NT_PROCSTAT_RLIMIT";
1557         case 14: return "NT_PROCSTAT_OSREL";
1558         case 15: return "NT_PROCSTAT_PSSTRINGS";
1559         case 16: return "NT_PROCSTAT_AUXV";
1560         case 0x202: return "NT_X86_XSTATE (x86 XSAVE extended state)";
1561         default: return (note_type_unknown(nt));
1562         }
1563 }
1564
1565 static const char *
1566 note_type_linux_core(unsigned int nt)
1567 {
1568         switch (nt) {
1569         case 1: return "NT_PRSTATUS (Process status)";
1570         case 2: return "NT_FPREGSET (Floating point information)";
1571         case 3: return "NT_PRPSINFO (Process information)";
1572         case 4: return "NT_TASKSTRUCT (Task structure)";
1573         case 6: return "NT_AUXV (Auxiliary vector)";
1574         case 10: return "NT_PSTATUS (Linux process status)";
1575         case 12: return "NT_FPREGS (Linux floating point regset)";
1576         case 13: return "NT_PSINFO (Linux process information)";
1577         case 16: return "NT_LWPSTATUS (Linux lwpstatus_t type)";
1578         case 17: return "NT_LWPSINFO (Linux lwpinfo_t type)";
1579         case 18: return "NT_WIN32PSTATUS (win32_pstatus structure)";
1580         case 0x100: return "NT_PPC_VMX (ppc Altivec registers)";
1581         case 0x102: return "NT_PPC_VSX (ppc VSX registers)";
1582         case 0x202: return "NT_X86_XSTATE (x86 XSAVE extended state)";
1583         case 0x300: return "NT_S390_HIGH_GPRS (s390 upper register halves)";
1584         case 0x301: return "NT_S390_TIMER (s390 timer register)";
1585         case 0x302: return "NT_S390_TODCMP (s390 TOD comparator register)";
1586         case 0x303: return "NT_S390_TODPREG (s390 TOD programmable register)";
1587         case 0x304: return "NT_S390_CTRS (s390 control registers)";
1588         case 0x305: return "NT_S390_PREFIX (s390 prefix register)";
1589         case 0x400: return "NT_ARM_VFP (arm VFP registers)";
1590         case 0x46494c45UL: return "NT_FILE (mapped files)";
1591         case 0x46E62B7FUL: return "NT_PRXFPREG (Linux user_xfpregs structure)";
1592         case 0x53494749UL: return "NT_SIGINFO (siginfo_t data)";
1593         default: return (note_type_unknown(nt));
1594         }
1595 }
1596
1597 static const char *
1598 note_type_gnu(unsigned int nt)
1599 {
1600         switch (nt) {
1601         case 1: return "NT_GNU_ABI_TAG";
1602         case 2: return "NT_GNU_HWCAP (Hardware capabilities)";
1603         case 3: return "NT_GNU_BUILD_ID (Build id set by ld(1))";
1604         case 4: return "NT_GNU_GOLD_VERSION (GNU gold version)";
1605         default: return (note_type_unknown(nt));
1606         }
1607 }
1608
1609 static const char *
1610 note_type_netbsd(unsigned int nt)
1611 {
1612         switch (nt) {
1613         case 1: return "NT_NETBSD_IDENT";
1614         default: return (note_type_unknown(nt));
1615         }
1616 }
1617
1618 static const char *
1619 note_type_openbsd(unsigned int nt)
1620 {
1621         switch (nt) {
1622         case 1: return "NT_OPENBSD_IDENT";
1623         default: return (note_type_unknown(nt));
1624         }
1625 }
1626
1627 static const char *
1628 note_type_unknown(unsigned int nt)
1629 {
1630         static char s_nt[32];
1631
1632         snprintf(s_nt, sizeof(s_nt),
1633             nt >= 0x100 ? "<unknown: 0x%x>" : "<unknown: %u>", nt);
1634         return (s_nt);
1635 }
1636
1637 static struct {
1638         const char *name;
1639         int value;
1640 } l_flag[] = {
1641         {"EXACT_MATCH", LL_EXACT_MATCH},
1642         {"IGNORE_INT_VER", LL_IGNORE_INT_VER},
1643         {"REQUIRE_MINOR", LL_REQUIRE_MINOR},
1644         {"EXPORTS", LL_EXPORTS},
1645         {"DELAY_LOAD", LL_DELAY_LOAD},
1646         {"DELTA", LL_DELTA},
1647         {NULL, 0}
1648 };
1649
1650 static struct mips_option mips_exceptions_option[] = {
1651         {OEX_PAGE0, "PAGE0"},
1652         {OEX_SMM, "SMM"},
1653         {OEX_PRECISEFP, "PRECISEFP"},
1654         {OEX_DISMISS, "DISMISS"},
1655         {0, NULL}
1656 };
1657
1658 static struct mips_option mips_pad_option[] = {
1659         {OPAD_PREFIX, "PREFIX"},
1660         {OPAD_POSTFIX, "POSTFIX"},
1661         {OPAD_SYMBOL, "SYMBOL"},
1662         {0, NULL}
1663 };
1664
1665 static struct mips_option mips_hwpatch_option[] = {
1666         {OHW_R4KEOP, "R4KEOP"},
1667         {OHW_R8KPFETCH, "R8KPFETCH"},
1668         {OHW_R5KEOP, "R5KEOP"},
1669         {OHW_R5KCVTL, "R5KCVTL"},
1670         {0, NULL}
1671 };
1672
1673 static struct mips_option mips_hwa_option[] = {
1674         {OHWA0_R4KEOP_CHECKED, "R4KEOP_CHECKED"},
1675         {OHWA0_R4KEOP_CLEAN, "R4KEOP_CLEAN"},
1676         {0, NULL}
1677 };
1678
1679 static struct mips_option mips_hwo_option[] = {
1680         {OHWO0_FIXADE, "FIXADE"},
1681         {0, NULL}
1682 };
1683
1684 static const char *
1685 option_kind(uint8_t kind)
1686 {
1687         static char s_kind[32];
1688
1689         switch (kind) {
1690         case ODK_NULL: return "NULL";
1691         case ODK_REGINFO: return "REGINFO";
1692         case ODK_EXCEPTIONS: return "EXCEPTIONS";
1693         case ODK_PAD: return "PAD";
1694         case ODK_HWPATCH: return "HWPATCH";
1695         case ODK_FILL: return "FILL";
1696         case ODK_TAGS: return "TAGS";
1697         case ODK_HWAND: return "HWAND";
1698         case ODK_HWOR: return "HWOR";
1699         case ODK_GP_GROUP: return "GP_GROUP";
1700         case ODK_IDENT: return "IDENT";
1701         default:
1702                 snprintf(s_kind, sizeof(s_kind), "<unknown: %u>", kind);
1703                 return (s_kind);
1704         }
1705 }
1706
1707 static const char *
1708 top_tag(unsigned int tag)
1709 {
1710         static char s_top_tag[32];
1711
1712         switch (tag) {
1713         case 1: return "File Attributes";
1714         case 2: return "Section Attributes";
1715         case 3: return "Symbol Attributes";
1716         default:
1717                 snprintf(s_top_tag, sizeof(s_top_tag), "Unknown tag: %u", tag);
1718                 return (s_top_tag);
1719         }
1720 }
1721
1722 static const char *
1723 aeabi_cpu_arch(uint64_t arch)
1724 {
1725         static char s_cpu_arch[32];
1726
1727         switch (arch) {
1728         case 0: return "Pre-V4";
1729         case 1: return "ARM v4";
1730         case 2: return "ARM v4T";
1731         case 3: return "ARM v5T";
1732         case 4: return "ARM v5TE";
1733         case 5: return "ARM v5TEJ";
1734         case 6: return "ARM v6";
1735         case 7: return "ARM v6KZ";
1736         case 8: return "ARM v6T2";
1737         case 9: return "ARM v6K";
1738         case 10: return "ARM v7";
1739         case 11: return "ARM v6-M";
1740         case 12: return "ARM v6S-M";
1741         case 13: return "ARM v7E-M";
1742         default:
1743                 snprintf(s_cpu_arch, sizeof(s_cpu_arch),
1744                     "Unknown (%ju)", (uintmax_t) arch);
1745                 return (s_cpu_arch);
1746         }
1747 }
1748
1749 static const char *
1750 aeabi_cpu_arch_profile(uint64_t pf)
1751 {
1752         static char s_arch_profile[32];
1753
1754         switch (pf) {
1755         case 0:
1756                 return "Not applicable";
1757         case 0x41:              /* 'A' */
1758                 return "Application Profile";
1759         case 0x52:              /* 'R' */
1760                 return "Real-Time Profile";
1761         case 0x4D:              /* 'M' */
1762                 return "Microcontroller Profile";
1763         case 0x53:              /* 'S' */
1764                 return "Application or Real-Time Profile";
1765         default:
1766                 snprintf(s_arch_profile, sizeof(s_arch_profile),
1767                     "Unknown (%ju)\n", (uintmax_t) pf);
1768                 return (s_arch_profile);
1769         }
1770 }
1771
1772 static const char *
1773 aeabi_arm_isa(uint64_t ai)
1774 {
1775         static char s_ai[32];
1776
1777         switch (ai) {
1778         case 0: return "No";
1779         case 1: return "Yes";
1780         default:
1781                 snprintf(s_ai, sizeof(s_ai), "Unknown (%ju)\n",
1782                     (uintmax_t) ai);
1783                 return (s_ai);
1784         }
1785 }
1786
1787 static const char *
1788 aeabi_thumb_isa(uint64_t ti)
1789 {
1790         static char s_ti[32];
1791
1792         switch (ti) {
1793         case 0: return "No";
1794         case 1: return "16-bit Thumb";
1795         case 2: return "32-bit Thumb";
1796         default:
1797                 snprintf(s_ti, sizeof(s_ti), "Unknown (%ju)\n",
1798                     (uintmax_t) ti);
1799                 return (s_ti);
1800         }
1801 }
1802
1803 static const char *
1804 aeabi_fp_arch(uint64_t fp)
1805 {
1806         static char s_fp_arch[32];
1807
1808         switch (fp) {
1809         case 0: return "No";
1810         case 1: return "VFPv1";
1811         case 2: return "VFPv2";
1812         case 3: return "VFPv3";
1813         case 4: return "VFPv3-D16";
1814         case 5: return "VFPv4";
1815         case 6: return "VFPv4-D16";
1816         default:
1817                 snprintf(s_fp_arch, sizeof(s_fp_arch), "Unknown (%ju)",
1818                     (uintmax_t) fp);
1819                 return (s_fp_arch);
1820         }
1821 }
1822
1823 static const char *
1824 aeabi_wmmx_arch(uint64_t wmmx)
1825 {
1826         static char s_wmmx[32];
1827
1828         switch (wmmx) {
1829         case 0: return "No";
1830         case 1: return "WMMXv1";
1831         case 2: return "WMMXv2";
1832         default:
1833                 snprintf(s_wmmx, sizeof(s_wmmx), "Unknown (%ju)",
1834                     (uintmax_t) wmmx);
1835                 return (s_wmmx);
1836         }
1837 }
1838
1839 static const char *
1840 aeabi_adv_simd_arch(uint64_t simd)
1841 {
1842         static char s_simd[32];
1843
1844         switch (simd) {
1845         case 0: return "No";
1846         case 1: return "NEONv1";
1847         case 2: return "NEONv2";
1848         default:
1849                 snprintf(s_simd, sizeof(s_simd), "Unknown (%ju)",
1850                     (uintmax_t) simd);
1851                 return (s_simd);
1852         }
1853 }
1854
1855 static const char *
1856 aeabi_pcs_config(uint64_t pcs)
1857 {
1858         static char s_pcs[32];
1859
1860         switch (pcs) {
1861         case 0: return "None";
1862         case 1: return "Bare platform";
1863         case 2: return "Linux";
1864         case 3: return "Linux DSO";
1865         case 4: return "Palm OS 2004";
1866         case 5: return "Palm OS (future)";
1867         case 6: return "Symbian OS 2004";
1868         case 7: return "Symbian OS (future)";
1869         default:
1870                 snprintf(s_pcs, sizeof(s_pcs), "Unknown (%ju)",
1871                     (uintmax_t) pcs);
1872                 return (s_pcs);
1873         }
1874 }
1875
1876 static const char *
1877 aeabi_pcs_r9(uint64_t r9)
1878 {
1879         static char s_r9[32];
1880
1881         switch (r9) {
1882         case 0: return "V6";
1883         case 1: return "SB";
1884         case 2: return "TLS pointer";
1885         case 3: return "Unused";
1886         default:
1887                 snprintf(s_r9, sizeof(s_r9), "Unknown (%ju)", (uintmax_t) r9);
1888                 return (s_r9);
1889         }
1890 }
1891
1892 static const char *
1893 aeabi_pcs_rw(uint64_t rw)
1894 {
1895         static char s_rw[32];
1896
1897         switch (rw) {
1898         case 0: return "Absolute";
1899         case 1: return "PC-relative";
1900         case 2: return "SB-relative";
1901         case 3: return "None";
1902         default:
1903                 snprintf(s_rw, sizeof(s_rw), "Unknown (%ju)", (uintmax_t) rw);
1904                 return (s_rw);
1905         }
1906 }
1907
1908 static const char *
1909 aeabi_pcs_ro(uint64_t ro)
1910 {
1911         static char s_ro[32];
1912
1913         switch (ro) {
1914         case 0: return "Absolute";
1915         case 1: return "PC-relative";
1916         case 2: return "None";
1917         default:
1918                 snprintf(s_ro, sizeof(s_ro), "Unknown (%ju)", (uintmax_t) ro);
1919                 return (s_ro);
1920         }
1921 }
1922
1923 static const char *
1924 aeabi_pcs_got(uint64_t got)
1925 {
1926         static char s_got[32];
1927
1928         switch (got) {
1929         case 0: return "None";
1930         case 1: return "direct";
1931         case 2: return "indirect via GOT";
1932         default:
1933                 snprintf(s_got, sizeof(s_got), "Unknown (%ju)",
1934                     (uintmax_t) got);
1935                 return (s_got);
1936         }
1937 }
1938
1939 static const char *
1940 aeabi_pcs_wchar_t(uint64_t wt)
1941 {
1942         static char s_wt[32];
1943
1944         switch (wt) {
1945         case 0: return "None";
1946         case 2: return "wchar_t size 2";
1947         case 4: return "wchar_t size 4";
1948         default:
1949                 snprintf(s_wt, sizeof(s_wt), "Unknown (%ju)", (uintmax_t) wt);
1950                 return (s_wt);
1951         }
1952 }
1953
1954 static const char *
1955 aeabi_enum_size(uint64_t es)
1956 {
1957         static char s_es[32];
1958
1959         switch (es) {
1960         case 0: return "None";
1961         case 1: return "smallest";
1962         case 2: return "32-bit";
1963         case 3: return "visible 32-bit";
1964         default:
1965                 snprintf(s_es, sizeof(s_es), "Unknown (%ju)", (uintmax_t) es);
1966                 return (s_es);
1967         }
1968 }
1969
1970 static const char *
1971 aeabi_align_needed(uint64_t an)
1972 {
1973         static char s_align_n[64];
1974
1975         switch (an) {
1976         case 0: return "No";
1977         case 1: return "8-byte align";
1978         case 2: return "4-byte align";
1979         case 3: return "Reserved";
1980         default:
1981                 if (an >= 4 && an <= 12)
1982                         snprintf(s_align_n, sizeof(s_align_n), "8-byte align"
1983                             " and up to 2^%ju-byte extended align",
1984                             (uintmax_t) an);
1985                 else
1986                         snprintf(s_align_n, sizeof(s_align_n), "Unknown (%ju)",
1987                             (uintmax_t) an);
1988                 return (s_align_n);
1989         }
1990 }
1991
1992 static const char *
1993 aeabi_align_preserved(uint64_t ap)
1994 {
1995         static char s_align_p[128];
1996
1997         switch (ap) {
1998         case 0: return "No";
1999         case 1: return "8-byte align";
2000         case 2: return "8-byte align and SP % 8 == 0";
2001         case 3: return "Reserved";
2002         default:
2003                 if (ap >= 4 && ap <= 12)
2004                         snprintf(s_align_p, sizeof(s_align_p), "8-byte align"
2005                             " and SP %% 8 == 0 and up to 2^%ju-byte extended"
2006                             " align", (uintmax_t) ap);
2007                 else
2008                         snprintf(s_align_p, sizeof(s_align_p), "Unknown (%ju)",
2009                             (uintmax_t) ap);
2010                 return (s_align_p);
2011         }
2012 }
2013
2014 static const char *
2015 aeabi_fp_rounding(uint64_t fr)
2016 {
2017         static char s_fp_r[32];
2018
2019         switch (fr) {
2020         case 0: return "Unused";
2021         case 1: return "Needed";
2022         default:
2023                 snprintf(s_fp_r, sizeof(s_fp_r), "Unknown (%ju)",
2024                     (uintmax_t) fr);
2025                 return (s_fp_r);
2026         }
2027 }
2028
2029 static const char *
2030 aeabi_fp_denormal(uint64_t fd)
2031 {
2032         static char s_fp_d[32];
2033
2034         switch (fd) {
2035         case 0: return "Unused";
2036         case 1: return "Needed";
2037         case 2: return "Sign Only";
2038         default:
2039                 snprintf(s_fp_d, sizeof(s_fp_d), "Unknown (%ju)",
2040                     (uintmax_t) fd);
2041                 return (s_fp_d);
2042         }
2043 }
2044
2045 static const char *
2046 aeabi_fp_exceptions(uint64_t fe)
2047 {
2048         static char s_fp_e[32];
2049
2050         switch (fe) {
2051         case 0: return "Unused";
2052         case 1: return "Needed";
2053         default:
2054                 snprintf(s_fp_e, sizeof(s_fp_e), "Unknown (%ju)",
2055                     (uintmax_t) fe);
2056                 return (s_fp_e);
2057         }
2058 }
2059
2060 static const char *
2061 aeabi_fp_user_exceptions(uint64_t fu)
2062 {
2063         static char s_fp_u[32];
2064
2065         switch (fu) {
2066         case 0: return "Unused";
2067         case 1: return "Needed";
2068         default:
2069                 snprintf(s_fp_u, sizeof(s_fp_u), "Unknown (%ju)",
2070                     (uintmax_t) fu);
2071                 return (s_fp_u);
2072         }
2073 }
2074
2075 static const char *
2076 aeabi_fp_number_model(uint64_t fn)
2077 {
2078         static char s_fp_n[32];
2079
2080         switch (fn) {
2081         case 0: return "Unused";
2082         case 1: return "IEEE 754 normal";
2083         case 2: return "RTABI";
2084         case 3: return "IEEE 754";
2085         default:
2086                 snprintf(s_fp_n, sizeof(s_fp_n), "Unknown (%ju)",
2087                     (uintmax_t) fn);
2088                 return (s_fp_n);
2089         }
2090 }
2091
2092 static const char *
2093 aeabi_fp_16bit_format(uint64_t fp16)
2094 {
2095         static char s_fp_16[64];
2096
2097         switch (fp16) {
2098         case 0: return "None";
2099         case 1: return "IEEE 754";
2100         case 2: return "VFPv3/Advanced SIMD (alternative format)";
2101         default:
2102                 snprintf(s_fp_16, sizeof(s_fp_16), "Unknown (%ju)",
2103                     (uintmax_t) fp16);
2104                 return (s_fp_16);
2105         }
2106 }
2107
2108 static const char *
2109 aeabi_mpext(uint64_t mp)
2110 {
2111         static char s_mp[32];
2112
2113         switch (mp) {
2114         case 0: return "Not allowed";
2115         case 1: return "Allowed";
2116         default:
2117                 snprintf(s_mp, sizeof(s_mp), "Unknown (%ju)",
2118                     (uintmax_t) mp);
2119                 return (s_mp);
2120         }
2121 }
2122
2123 static const char *
2124 aeabi_div(uint64_t du)
2125 {
2126         static char s_du[32];
2127
2128         switch (du) {
2129         case 0: return "Yes (V7-R/V7-M)";
2130         case 1: return "No";
2131         case 2: return "Yes (V7-A)";
2132         default:
2133                 snprintf(s_du, sizeof(s_du), "Unknown (%ju)",
2134                     (uintmax_t) du);
2135                 return (s_du);
2136         }
2137 }
2138
2139 static const char *
2140 aeabi_t2ee(uint64_t t2ee)
2141 {
2142         static char s_t2ee[32];
2143
2144         switch (t2ee) {
2145         case 0: return "Not allowed";
2146         case 1: return "Allowed";
2147         default:
2148                 snprintf(s_t2ee, sizeof(s_t2ee), "Unknown(%ju)",
2149                     (uintmax_t) t2ee);
2150                 return (s_t2ee);
2151         }
2152
2153 }
2154
2155 static const char *
2156 aeabi_hardfp(uint64_t hfp)
2157 {
2158         static char s_hfp[32];
2159
2160         switch (hfp) {
2161         case 0: return "Tag_FP_arch";
2162         case 1: return "only SP";
2163         case 2: return "only DP";
2164         case 3: return "both SP and DP";
2165         default:
2166                 snprintf(s_hfp, sizeof(s_hfp), "Unknown (%ju)",
2167                     (uintmax_t) hfp);
2168                 return (s_hfp);
2169         }
2170 }
2171
2172 static const char *
2173 aeabi_vfp_args(uint64_t va)
2174 {
2175         static char s_va[32];
2176
2177         switch (va) {
2178         case 0: return "AAPCS (base variant)";
2179         case 1: return "AAPCS (VFP variant)";
2180         case 2: return "toolchain-specific";
2181         default:
2182                 snprintf(s_va, sizeof(s_va), "Unknown (%ju)", (uintmax_t) va);
2183                 return (s_va);
2184         }
2185 }
2186
2187 static const char *
2188 aeabi_wmmx_args(uint64_t wa)
2189 {
2190         static char s_wa[32];
2191
2192         switch (wa) {
2193         case 0: return "AAPCS (base variant)";
2194         case 1: return "Intel WMMX";
2195         case 2: return "toolchain-specific";
2196         default:
2197                 snprintf(s_wa, sizeof(s_wa), "Unknown(%ju)", (uintmax_t) wa);
2198                 return (s_wa);
2199         }
2200 }
2201
2202 static const char *
2203 aeabi_unaligned_access(uint64_t ua)
2204 {
2205         static char s_ua[32];
2206
2207         switch (ua) {
2208         case 0: return "Not allowed";
2209         case 1: return "Allowed";
2210         default:
2211                 snprintf(s_ua, sizeof(s_ua), "Unknown(%ju)", (uintmax_t) ua);
2212                 return (s_ua);
2213         }
2214 }
2215
2216 static const char *
2217 aeabi_fp_hpext(uint64_t fh)
2218 {
2219         static char s_fh[32];
2220
2221         switch (fh) {
2222         case 0: return "Not allowed";
2223         case 1: return "Allowed";
2224         default:
2225                 snprintf(s_fh, sizeof(s_fh), "Unknown(%ju)", (uintmax_t) fh);
2226                 return (s_fh);
2227         }
2228 }
2229
2230 static const char *
2231 aeabi_optm_goal(uint64_t og)
2232 {
2233         static char s_og[32];
2234
2235         switch (og) {
2236         case 0: return "None";
2237         case 1: return "Speed";
2238         case 2: return "Speed aggressive";
2239         case 3: return "Space";
2240         case 4: return "Space aggressive";
2241         case 5: return "Debugging";
2242         case 6: return "Best Debugging";
2243         default:
2244                 snprintf(s_og, sizeof(s_og), "Unknown(%ju)", (uintmax_t) og);
2245                 return (s_og);
2246         }
2247 }
2248
2249 static const char *
2250 aeabi_fp_optm_goal(uint64_t fog)
2251 {
2252         static char s_fog[32];
2253
2254         switch (fog) {
2255         case 0: return "None";
2256         case 1: return "Speed";
2257         case 2: return "Speed aggressive";
2258         case 3: return "Space";
2259         case 4: return "Space aggressive";
2260         case 5: return "Accurary";
2261         case 6: return "Best Accurary";
2262         default:
2263                 snprintf(s_fog, sizeof(s_fog), "Unknown(%ju)",
2264                     (uintmax_t) fog);
2265                 return (s_fog);
2266         }
2267 }
2268
2269 static const char *
2270 aeabi_virtual(uint64_t vt)
2271 {
2272         static char s_virtual[64];
2273
2274         switch (vt) {
2275         case 0: return "No";
2276         case 1: return "TrustZone";
2277         case 2: return "Virtualization extension";
2278         case 3: return "TrustZone and virtualization extension";
2279         default:
2280                 snprintf(s_virtual, sizeof(s_virtual), "Unknown(%ju)",
2281                     (uintmax_t) vt);
2282                 return (s_virtual);
2283         }
2284 }
2285
2286 static struct {
2287         uint64_t tag;
2288         const char *s_tag;
2289         const char *(*get_desc)(uint64_t val);
2290 } aeabi_tags[] = {
2291         {4, "Tag_CPU_raw_name", NULL},
2292         {5, "Tag_CPU_name", NULL},
2293         {6, "Tag_CPU_arch", aeabi_cpu_arch},
2294         {7, "Tag_CPU_arch_profile", aeabi_cpu_arch_profile},
2295         {8, "Tag_ARM_ISA_use", aeabi_arm_isa},
2296         {9, "Tag_THUMB_ISA_use", aeabi_thumb_isa},
2297         {10, "Tag_FP_arch", aeabi_fp_arch},
2298         {11, "Tag_WMMX_arch", aeabi_wmmx_arch},
2299         {12, "Tag_Advanced_SIMD_arch", aeabi_adv_simd_arch},
2300         {13, "Tag_PCS_config", aeabi_pcs_config},
2301         {14, "Tag_ABI_PCS_R9_use", aeabi_pcs_r9},
2302         {15, "Tag_ABI_PCS_RW_data", aeabi_pcs_rw},
2303         {16, "Tag_ABI_PCS_RO_data", aeabi_pcs_ro},
2304         {17, "Tag_ABI_PCS_GOT_use", aeabi_pcs_got},
2305         {18, "Tag_ABI_PCS_wchar_t", aeabi_pcs_wchar_t},
2306         {19, "Tag_ABI_FP_rounding", aeabi_fp_rounding},
2307         {20, "Tag_ABI_FP_denormal", aeabi_fp_denormal},
2308         {21, "Tag_ABI_FP_exceptions", aeabi_fp_exceptions},
2309         {22, "Tag_ABI_FP_user_exceptions", aeabi_fp_user_exceptions},
2310         {23, "Tag_ABI_FP_number_model", aeabi_fp_number_model},
2311         {24, "Tag_ABI_align_needed", aeabi_align_needed},
2312         {25, "Tag_ABI_align_preserved", aeabi_align_preserved},
2313         {26, "Tag_ABI_enum_size", aeabi_enum_size},
2314         {27, "Tag_ABI_HardFP_use", aeabi_hardfp},
2315         {28, "Tag_ABI_VFP_args", aeabi_vfp_args},
2316         {29, "Tag_ABI_WMMX_args", aeabi_wmmx_args},
2317         {30, "Tag_ABI_optimization_goals", aeabi_optm_goal},
2318         {31, "Tag_ABI_FP_optimization_goals", aeabi_fp_optm_goal},
2319         {32, "Tag_compatibility", NULL},
2320         {34, "Tag_CPU_unaligned_access", aeabi_unaligned_access},
2321         {36, "Tag_FP_HP_extension", aeabi_fp_hpext},
2322         {38, "Tag_ABI_FP_16bit_format", aeabi_fp_16bit_format},
2323         {42, "Tag_MPextension_use", aeabi_mpext},
2324         {44, "Tag_DIV_use", aeabi_div},
2325         {64, "Tag_nodefaults", NULL},
2326         {65, "Tag_also_compatible_with", NULL},
2327         {66, "Tag_T2EE_use", aeabi_t2ee},
2328         {67, "Tag_conformance", NULL},
2329         {68, "Tag_Virtualization_use", aeabi_virtual},
2330         {70, "Tag_MPextension_use", aeabi_mpext},
2331 };
2332
2333 static const char *
2334 mips_abi_fp(uint64_t fp)
2335 {
2336         static char s_mips_abi_fp[64];
2337
2338         switch (fp) {
2339         case 0: return "N/A";
2340         case 1: return "Hard float (double precision)";
2341         case 2: return "Hard float (single precision)";
2342         case 3: return "Soft float";
2343         case 4: return "64-bit float (-mips32r2 -mfp64)";
2344         default:
2345                 snprintf(s_mips_abi_fp, sizeof(s_mips_abi_fp), "Unknown(%ju)",
2346                     (uintmax_t) fp);
2347                 return (s_mips_abi_fp);
2348         }
2349 }
2350
2351 static const char *
2352 ppc_abi_fp(uint64_t fp)
2353 {
2354         static char s_ppc_abi_fp[64];
2355
2356         switch (fp) {
2357         case 0: return "N/A";
2358         case 1: return "Hard float (double precision)";
2359         case 2: return "Soft float";
2360         case 3: return "Hard float (single precision)";
2361         default:
2362                 snprintf(s_ppc_abi_fp, sizeof(s_ppc_abi_fp), "Unknown(%ju)",
2363                     (uintmax_t) fp);
2364                 return (s_ppc_abi_fp);
2365         }
2366 }
2367
2368 static const char *
2369 ppc_abi_vector(uint64_t vec)
2370 {
2371         static char s_vec[64];
2372
2373         switch (vec) {
2374         case 0: return "N/A";
2375         case 1: return "Generic purpose registers";
2376         case 2: return "AltiVec registers";
2377         case 3: return "SPE registers";
2378         default:
2379                 snprintf(s_vec, sizeof(s_vec), "Unknown(%ju)", (uintmax_t) vec);
2380                 return (s_vec);
2381         }
2382 }
2383
2384 static const char *
2385 dwarf_reg(unsigned int mach, unsigned int reg)
2386 {
2387
2388         switch (mach) {
2389         case EM_386:
2390         case EM_IAMCU:
2391                 switch (reg) {
2392                 case 0: return "eax";
2393                 case 1: return "ecx";
2394                 case 2: return "edx";
2395                 case 3: return "ebx";
2396                 case 4: return "esp";
2397                 case 5: return "ebp";
2398                 case 6: return "esi";
2399                 case 7: return "edi";
2400                 case 8: return "eip";
2401                 case 9: return "eflags";
2402                 case 11: return "st0";
2403                 case 12: return "st1";
2404                 case 13: return "st2";
2405                 case 14: return "st3";
2406                 case 15: return "st4";
2407                 case 16: return "st5";
2408                 case 17: return "st6";
2409                 case 18: return "st7";
2410                 case 21: return "xmm0";
2411                 case 22: return "xmm1";
2412                 case 23: return "xmm2";
2413                 case 24: return "xmm3";
2414                 case 25: return "xmm4";
2415                 case 26: return "xmm5";
2416                 case 27: return "xmm6";
2417                 case 28: return "xmm7";
2418                 case 29: return "mm0";
2419                 case 30: return "mm1";
2420                 case 31: return "mm2";
2421                 case 32: return "mm3";
2422                 case 33: return "mm4";
2423                 case 34: return "mm5";
2424                 case 35: return "mm6";
2425                 case 36: return "mm7";
2426                 case 37: return "fcw";
2427                 case 38: return "fsw";
2428                 case 39: return "mxcsr";
2429                 case 40: return "es";
2430                 case 41: return "cs";
2431                 case 42: return "ss";
2432                 case 43: return "ds";
2433                 case 44: return "fs";
2434                 case 45: return "gs";
2435                 case 48: return "tr";
2436                 case 49: return "ldtr";
2437                 default: return (NULL);
2438                 }
2439         case EM_X86_64:
2440                 switch (reg) {
2441                 case 0: return "rax";
2442                 case 1: return "rdx";
2443                 case 2: return "rcx";
2444                 case 3: return "rbx";
2445                 case 4: return "rsi";
2446                 case 5: return "rdi";
2447                 case 6: return "rbp";
2448                 case 7: return "rsp";
2449                 case 16: return "rip";
2450                 case 17: return "xmm0";
2451                 case 18: return "xmm1";
2452                 case 19: return "xmm2";
2453                 case 20: return "xmm3";
2454                 case 21: return "xmm4";
2455                 case 22: return "xmm5";
2456                 case 23: return "xmm6";
2457                 case 24: return "xmm7";
2458                 case 25: return "xmm8";
2459                 case 26: return "xmm9";
2460                 case 27: return "xmm10";
2461                 case 28: return "xmm11";
2462                 case 29: return "xmm12";
2463                 case 30: return "xmm13";
2464                 case 31: return "xmm14";
2465                 case 32: return "xmm15";
2466                 case 33: return "st0";
2467                 case 34: return "st1";
2468                 case 35: return "st2";
2469                 case 36: return "st3";
2470                 case 37: return "st4";
2471                 case 38: return "st5";
2472                 case 39: return "st6";
2473                 case 40: return "st7";
2474                 case 41: return "mm0";
2475                 case 42: return "mm1";
2476                 case 43: return "mm2";
2477                 case 44: return "mm3";
2478                 case 45: return "mm4";
2479                 case 46: return "mm5";
2480                 case 47: return "mm6";
2481                 case 48: return "mm7";
2482                 case 49: return "rflags";
2483                 case 50: return "es";
2484                 case 51: return "cs";
2485                 case 52: return "ss";
2486                 case 53: return "ds";
2487                 case 54: return "fs";
2488                 case 55: return "gs";
2489                 case 58: return "fs.base";
2490                 case 59: return "gs.base";
2491                 case 62: return "tr";
2492                 case 63: return "ldtr";
2493                 case 64: return "mxcsr";
2494                 case 65: return "fcw";
2495                 case 66: return "fsw";
2496                 default: return (NULL);
2497                 }
2498         default:
2499                 return (NULL);
2500         }
2501 }
2502
2503 static void
2504 dump_ehdr(struct readelf *re)
2505 {
2506         size_t           shnum, shstrndx;
2507         int              i;
2508
2509         printf("ELF Header:\n");
2510
2511         /* e_ident[]. */
2512         printf("  Magic:   ");
2513         for (i = 0; i < EI_NIDENT; i++)
2514                 printf("%.2x ", re->ehdr.e_ident[i]);
2515         putchar('\n');
2516
2517         /* EI_CLASS. */
2518         printf("%-37s%s\n", "  Class:", elf_class(re->ehdr.e_ident[EI_CLASS]));
2519
2520         /* EI_DATA. */
2521         printf("%-37s%s\n", "  Data:", elf_endian(re->ehdr.e_ident[EI_DATA]));
2522
2523         /* EI_VERSION. */
2524         printf("%-37s%d %s\n", "  Version:", re->ehdr.e_ident[EI_VERSION],
2525             elf_ver(re->ehdr.e_ident[EI_VERSION]));
2526
2527         /* EI_OSABI. */
2528         printf("%-37s%s\n", "  OS/ABI:", elf_osabi(re->ehdr.e_ident[EI_OSABI]));
2529
2530         /* EI_ABIVERSION. */
2531         printf("%-37s%d\n", "  ABI Version:", re->ehdr.e_ident[EI_ABIVERSION]);
2532
2533         /* e_type. */
2534         printf("%-37s%s\n", "  Type:", elf_type(re->ehdr.e_type));
2535
2536         /* e_machine. */
2537         printf("%-37s%s\n", "  Machine:", elf_machine(re->ehdr.e_machine));
2538
2539         /* e_version. */
2540         printf("%-37s%#x\n", "  Version:", re->ehdr.e_version);
2541
2542         /* e_entry. */
2543         printf("%-37s%#jx\n", "  Entry point address:",
2544             (uintmax_t)re->ehdr.e_entry);
2545
2546         /* e_phoff. */
2547         printf("%-37s%ju (bytes into file)\n", "  Start of program headers:",
2548             (uintmax_t)re->ehdr.e_phoff);
2549
2550         /* e_shoff. */
2551         printf("%-37s%ju (bytes into file)\n", "  Start of section headers:",
2552             (uintmax_t)re->ehdr.e_shoff);
2553
2554         /* e_flags. */
2555         printf("%-37s%#x", "  Flags:", re->ehdr.e_flags);
2556         dump_eflags(re, re->ehdr.e_flags);
2557         putchar('\n');
2558
2559         /* e_ehsize. */
2560         printf("%-37s%u (bytes)\n", "  Size of this header:",
2561             re->ehdr.e_ehsize);
2562
2563         /* e_phentsize. */
2564         printf("%-37s%u (bytes)\n", "  Size of program headers:",
2565             re->ehdr.e_phentsize);
2566
2567         /* e_phnum. */
2568         printf("%-37s%u\n", "  Number of program headers:", re->ehdr.e_phnum);
2569
2570         /* e_shentsize. */
2571         printf("%-37s%u (bytes)\n", "  Size of section headers:",
2572             re->ehdr.e_shentsize);
2573
2574         /* e_shnum. */
2575         printf("%-37s%u", "  Number of section headers:", re->ehdr.e_shnum);
2576         if (re->ehdr.e_shnum == SHN_UNDEF) {
2577                 /* Extended section numbering is in use. */
2578                 if (elf_getshnum(re->elf, &shnum))
2579                         printf(" (%ju)", (uintmax_t)shnum);
2580         }
2581         putchar('\n');
2582
2583         /* e_shstrndx. */
2584         printf("%-37s%u", "  Section header string table index:",
2585             re->ehdr.e_shstrndx);
2586         if (re->ehdr.e_shstrndx == SHN_XINDEX) {
2587                 /* Extended section numbering is in use. */
2588                 if (elf_getshstrndx(re->elf, &shstrndx))
2589                         printf(" (%ju)", (uintmax_t)shstrndx);
2590         }
2591         putchar('\n');
2592 }
2593
2594 static void
2595 dump_eflags(struct readelf *re, uint64_t e_flags)
2596 {
2597         struct eflags_desc *edesc;
2598         int arm_eabi;
2599
2600         edesc = NULL;
2601         switch (re->ehdr.e_machine) {
2602         case EM_ARM:
2603                 arm_eabi = (e_flags & EF_ARM_EABIMASK) >> 24;
2604                 if (arm_eabi == 0)
2605                         printf(", GNU EABI");
2606                 else if (arm_eabi <= 5)
2607                         printf(", Version%d EABI", arm_eabi);
2608                 edesc = arm_eflags_desc;
2609                 break;
2610         case EM_MIPS:
2611         case EM_MIPS_RS3_LE:
2612                 switch ((e_flags & EF_MIPS_ARCH) >> 28) {
2613                 case 0: printf(", mips1"); break;
2614                 case 1: printf(", mips2"); break;
2615                 case 2: printf(", mips3"); break;
2616                 case 3: printf(", mips4"); break;
2617                 case 4: printf(", mips5"); break;
2618                 case 5: printf(", mips32"); break;
2619                 case 6: printf(", mips64"); break;
2620                 case 7: printf(", mips32r2"); break;
2621                 case 8: printf(", mips64r2"); break;
2622                 default: break;
2623                 }
2624                 switch ((e_flags & 0x00FF0000) >> 16) {
2625                 case 0x81: printf(", 3900"); break;
2626                 case 0x82: printf(", 4010"); break;
2627                 case 0x83: printf(", 4100"); break;
2628                 case 0x85: printf(", 4650"); break;
2629                 case 0x87: printf(", 4120"); break;
2630                 case 0x88: printf(", 4111"); break;
2631                 case 0x8a: printf(", sb1"); break;
2632                 case 0x8b: printf(", octeon"); break;
2633                 case 0x8c: printf(", xlr"); break;
2634                 case 0x91: printf(", 5400"); break;
2635                 case 0x98: printf(", 5500"); break;
2636                 case 0x99: printf(", 9000"); break;
2637                 case 0xa0: printf(", loongson-2e"); break;
2638                 case 0xa1: printf(", loongson-2f"); break;
2639                 default: break;
2640                 }
2641                 switch ((e_flags & 0x0000F000) >> 12) {
2642                 case 1: printf(", o32"); break;
2643                 case 2: printf(", o64"); break;
2644                 case 3: printf(", eabi32"); break;
2645                 case 4: printf(", eabi64"); break;
2646                 default: break;
2647                 }
2648                 edesc = mips_eflags_desc;
2649                 break;
2650         case EM_PPC:
2651         case EM_PPC64:
2652                 edesc = powerpc_eflags_desc;
2653                 break;
2654         case EM_SPARC:
2655         case EM_SPARC32PLUS:
2656         case EM_SPARCV9:
2657                 switch ((e_flags & EF_SPARCV9_MM)) {
2658                 case EF_SPARCV9_TSO: printf(", tso"); break;
2659                 case EF_SPARCV9_PSO: printf(", pso"); break;
2660                 case EF_SPARCV9_MM: printf(", rmo"); break;
2661                 default: break;
2662                 }
2663                 edesc = sparc_eflags_desc;
2664                 break;
2665         default:
2666                 break;
2667         }
2668
2669         if (edesc != NULL) {
2670                 while (edesc->desc != NULL) {
2671                         if (e_flags & edesc->flag)
2672                                 printf(", %s", edesc->desc);
2673                         edesc++;
2674                 }
2675         }
2676 }
2677
2678 static void
2679 dump_phdr(struct readelf *re)
2680 {
2681         const char      *rawfile;
2682         GElf_Phdr        phdr;
2683         size_t           phnum, size;
2684         int              i, j;
2685
2686 #define PH_HDR  "Type", "Offset", "VirtAddr", "PhysAddr", "FileSiz",    \
2687                 "MemSiz", "Flg", "Align"
2688 #define PH_CT   phdr_type(phdr.p_type), (uintmax_t)phdr.p_offset,       \
2689                 (uintmax_t)phdr.p_vaddr, (uintmax_t)phdr.p_paddr,       \
2690                 (uintmax_t)phdr.p_filesz, (uintmax_t)phdr.p_memsz,      \
2691                 phdr.p_flags & PF_R ? 'R' : ' ',                        \
2692                 phdr.p_flags & PF_W ? 'W' : ' ',                        \
2693                 phdr.p_flags & PF_X ? 'E' : ' ',                        \
2694                 (uintmax_t)phdr.p_align
2695
2696         if (elf_getphnum(re->elf, &phnum) == 0) {
2697                 warnx("elf_getphnum failed: %s", elf_errmsg(-1));
2698                 return;
2699         }
2700         if (phnum == 0) {
2701                 printf("\nThere are no program headers in this file.\n");
2702                 return;
2703         }
2704
2705         printf("\nElf file type is %s", elf_type(re->ehdr.e_type));
2706         printf("\nEntry point 0x%jx\n", (uintmax_t)re->ehdr.e_entry);
2707         printf("There are %ju program headers, starting at offset %ju\n",
2708             (uintmax_t)phnum, (uintmax_t)re->ehdr.e_phoff);
2709
2710         /* Dump program headers. */
2711         printf("\nProgram Headers:\n");
2712         if (re->ec == ELFCLASS32)
2713                 printf("  %-15s%-9s%-11s%-11s%-8s%-8s%-4s%s\n", PH_HDR);
2714         else if (re->options & RE_WW)
2715                 printf("  %-15s%-9s%-19s%-19s%-9s%-9s%-4s%s\n", PH_HDR);
2716         else
2717                 printf("  %-15s%-19s%-19s%s\n                 %-19s%-20s"
2718                     "%-7s%s\n", PH_HDR);
2719         for (i = 0; (size_t) i < phnum; i++) {
2720                 if (gelf_getphdr(re->elf, i, &phdr) != &phdr) {
2721                         warnx("gelf_getphdr failed: %s", elf_errmsg(-1));
2722                         continue;
2723                 }
2724                 /* TODO: Add arch-specific segment type dump. */
2725                 if (re->ec == ELFCLASS32)
2726                         printf("  %-14.14s 0x%6.6jx 0x%8.8jx 0x%8.8jx "
2727                             "0x%5.5jx 0x%5.5jx %c%c%c %#jx\n", PH_CT);
2728                 else if (re->options & RE_WW)
2729                         printf("  %-14.14s 0x%6.6jx 0x%16.16jx 0x%16.16jx "
2730                             "0x%6.6jx 0x%6.6jx %c%c%c %#jx\n", PH_CT);
2731                 else
2732                         printf("  %-14.14s 0x%16.16jx 0x%16.16jx 0x%16.16jx\n"
2733                             "                 0x%16.16jx 0x%16.16jx  %c%c%c"
2734                             "    %#jx\n", PH_CT);
2735                 if (phdr.p_type == PT_INTERP) {
2736                         if ((rawfile = elf_rawfile(re->elf, &size)) == NULL) {
2737                                 warnx("elf_rawfile failed: %s", elf_errmsg(-1));
2738                                 continue;
2739                         }
2740                         if (phdr.p_offset >= size) {
2741                                 warnx("invalid program header offset");
2742                                 continue;
2743                         }
2744                         printf("      [Requesting program interpreter: %s]\n",
2745                                 rawfile + phdr.p_offset);
2746                 }
2747         }
2748
2749         /* Dump section to segment mapping. */
2750         if (re->shnum == 0)
2751                 return;
2752         printf("\n Section to Segment mapping:\n");
2753         printf("  Segment Sections...\n");
2754         for (i = 0; (size_t)i < phnum; i++) {
2755                 if (gelf_getphdr(re->elf, i, &phdr) != &phdr) {
2756                         warnx("gelf_getphdr failed: %s", elf_errmsg(-1));
2757                         continue;
2758                 }
2759                 printf("   %2.2d     ", i);
2760                 /* skip NULL section. */
2761                 for (j = 1; (size_t)j < re->shnum; j++)
2762                         if (re->sl[j].off >= phdr.p_offset &&
2763                             re->sl[j].off + re->sl[j].sz <=
2764                             phdr.p_offset + phdr.p_memsz)
2765                                 printf("%s ", re->sl[j].name);
2766                 printf("\n");
2767         }
2768 #undef  PH_HDR
2769 #undef  PH_CT
2770 }
2771
2772 static char *
2773 section_flags(struct readelf *re, struct section *s)
2774 {
2775 #define BUF_SZ 256
2776         static char     buf[BUF_SZ];
2777         int             i, p, nb;
2778
2779         p = 0;
2780         nb = re->ec == ELFCLASS32 ? 8 : 16;
2781         if (re->options & RE_T) {
2782                 snprintf(buf, BUF_SZ, "[%*.*jx]: ", nb, nb,
2783                     (uintmax_t)s->flags);
2784                 p += nb + 4;
2785         }
2786         for (i = 0; section_flag[i].ln != NULL; i++) {
2787                 if ((s->flags & section_flag[i].value) == 0)
2788                         continue;
2789                 if (re->options & RE_T) {
2790                         snprintf(&buf[p], BUF_SZ - p, "%s, ",
2791                             section_flag[i].ln);
2792                         p += strlen(section_flag[i].ln) + 2;
2793                 } else
2794                         buf[p++] = section_flag[i].sn;
2795         }
2796         if (re->options & RE_T && p > nb + 4)
2797                 p -= 2;
2798         buf[p] = '\0';
2799
2800         return (buf);
2801 }
2802
2803 static void
2804 dump_shdr(struct readelf *re)
2805 {
2806         struct section  *s;
2807         int              i;
2808
2809 #define S_HDR   "[Nr] Name", "Type", "Addr", "Off", "Size", "ES",       \
2810                 "Flg", "Lk", "Inf", "Al"
2811 #define S_HDRL  "[Nr] Name", "Type", "Address", "Offset", "Size",       \
2812                 "EntSize", "Flags", "Link", "Info", "Align"
2813 #define ST_HDR  "[Nr] Name", "Type", "Addr", "Off", "Size", "ES",       \
2814                 "Lk", "Inf", "Al", "Flags"
2815 #define ST_HDRL "[Nr] Name", "Type", "Address", "Offset", "Link",       \
2816                 "Size", "EntSize", "Info", "Align", "Flags"
2817 #define S_CT    i, s->name, section_type(re->ehdr.e_machine, s->type),  \
2818                 (uintmax_t)s->addr, (uintmax_t)s->off, (uintmax_t)s->sz,\
2819                 (uintmax_t)s->entsize, section_flags(re, s),            \
2820                 s->link, s->info, (uintmax_t)s->align
2821 #define ST_CT   i, s->name, section_type(re->ehdr.e_machine, s->type),  \
2822                 (uintmax_t)s->addr, (uintmax_t)s->off, (uintmax_t)s->sz,\
2823                 (uintmax_t)s->entsize, s->link, s->info,                \
2824                 (uintmax_t)s->align, section_flags(re, s)
2825 #define ST_CTL  i, s->name, section_type(re->ehdr.e_machine, s->type),  \
2826                 (uintmax_t)s->addr, (uintmax_t)s->off, s->link,         \
2827                 (uintmax_t)s->sz, (uintmax_t)s->entsize, s->info,       \
2828                 (uintmax_t)s->align, section_flags(re, s)
2829
2830         if (re->shnum == 0) {
2831                 printf("\nThere are no sections in this file.\n");
2832                 return;
2833         }
2834         printf("There are %ju section headers, starting at offset 0x%jx:\n",
2835             (uintmax_t)re->shnum, (uintmax_t)re->ehdr.e_shoff);
2836         printf("\nSection Headers:\n");
2837         if (re->ec == ELFCLASS32) {
2838                 if (re->options & RE_T)
2839                         printf("  %s\n       %-16s%-9s%-7s%-7s%-5s%-3s%-4s%s\n"
2840                             "%12s\n", ST_HDR);
2841                 else
2842                         printf("  %-23s%-16s%-9s%-7s%-7s%-3s%-4s%-3s%-4s%s\n",
2843                             S_HDR);
2844         } else if (re->options & RE_WW) {
2845                 if (re->options & RE_T)
2846                         printf("  %s\n       %-16s%-17s%-7s%-7s%-5s%-3s%-4s%s\n"
2847                             "%12s\n", ST_HDR);
2848                 else
2849                         printf("  %-23s%-16s%-17s%-7s%-7s%-3s%-4s%-3s%-4s%s\n",
2850                             S_HDR);
2851         } else {
2852                 if (re->options & RE_T)
2853                         printf("  %s\n       %-18s%-17s%-18s%s\n       %-18s"
2854                             "%-17s%-18s%s\n%12s\n", ST_HDRL);
2855                 else
2856                         printf("  %-23s%-17s%-18s%s\n       %-18s%-17s%-7s%"
2857                             "-6s%-6s%s\n", S_HDRL);
2858         }
2859         for (i = 0; (size_t)i < re->shnum; i++) {
2860                 s = &re->sl[i];
2861                 if (re->ec == ELFCLASS32) {
2862                         if (re->options & RE_T)
2863                                 printf("  [%2d] %s\n       %-15.15s %8.8jx"
2864                                     " %6.6jx %6.6jx %2.2jx  %2u %3u %2ju\n"
2865                                     "       %s\n", ST_CT);
2866                         else
2867                                 printf("  [%2d] %-17.17s %-15.15s %8.8jx"
2868                                     " %6.6jx %6.6jx %2.2jx %3s %2u %3u %2ju\n",
2869                                     S_CT);
2870                 } else if (re->options & RE_WW) {
2871                         if (re->options & RE_T)
2872                                 printf("  [%2d] %s\n       %-15.15s %16.16jx"
2873                                     " %6.6jx %6.6jx %2.2jx  %2u %3u %2ju\n"
2874                                     "       %s\n", ST_CT);
2875                         else
2876                                 printf("  [%2d] %-17.17s %-15.15s %16.16jx"
2877                                     " %6.6jx %6.6jx %2.2jx %3s %2u %3u %2ju\n",
2878                                     S_CT);
2879                 } else {
2880                         if (re->options & RE_T)
2881                                 printf("  [%2d] %s\n       %-15.15s  %16.16jx"
2882                                     "  %16.16jx  %u\n       %16.16jx %16.16jx"
2883                                     "  %-16u  %ju\n       %s\n", ST_CTL);
2884                         else
2885                                 printf("  [%2d] %-17.17s %-15.15s  %16.16jx"
2886                                     "  %8.8jx\n       %16.16jx  %16.16jx "
2887                                     "%3s      %2u   %3u     %ju\n", S_CT);
2888                 }
2889         }
2890         if ((re->options & RE_T) == 0)
2891                 printf("Key to Flags:\n  W (write), A (alloc),"
2892                     " X (execute), M (merge), S (strings)\n"
2893                     "  I (info), L (link order), G (group), x (unknown)\n"
2894                     "  O (extra OS processing required)"
2895                     " o (OS specific), p (processor specific)\n");
2896
2897 #undef  S_HDR
2898 #undef  S_HDRL
2899 #undef  ST_HDR
2900 #undef  ST_HDRL
2901 #undef  S_CT
2902 #undef  ST_CT
2903 #undef  ST_CTL
2904 }
2905
2906 /*
2907  * Return number of entries in the given section. We'd prefer ent_count be a
2908  * size_t *, but libelf APIs already use int for section indices.
2909  */
2910 static int
2911 get_ent_count(struct section *s, int *ent_count)
2912 {
2913         if (s->entsize == 0) {
2914                 warnx("section %s has entry size 0", s->name);
2915                 return (0);
2916         } else if (s->sz / s->entsize > INT_MAX) {
2917                 warnx("section %s has invalid section count", s->name);
2918                 return (0);
2919         }
2920         *ent_count = (int)(s->sz / s->entsize);
2921         return (1);
2922 }
2923
2924 static void
2925 dump_dynamic(struct readelf *re)
2926 {
2927         GElf_Dyn         dyn;
2928         Elf_Data        *d;
2929         struct section  *s;
2930         int              elferr, i, is_dynamic, j, jmax, nentries;
2931
2932         is_dynamic = 0;
2933
2934         for (i = 0; (size_t)i < re->shnum; i++) {
2935                 s = &re->sl[i];
2936                 if (s->type != SHT_DYNAMIC)
2937                         continue;
2938                 (void) elf_errno();
2939                 if ((d = elf_getdata(s->scn, NULL)) == NULL) {
2940                         elferr = elf_errno();
2941                         if (elferr != 0)
2942                                 warnx("elf_getdata failed: %s", elf_errmsg(-1));
2943                         continue;
2944                 }
2945                 if (d->d_size <= 0)
2946                         continue;
2947
2948                 is_dynamic = 1;
2949
2950                 /* Determine the actual number of table entries. */
2951                 nentries = 0;
2952                 if (!get_ent_count(s, &jmax))
2953                         continue;
2954                 for (j = 0; j < jmax; j++) {
2955                         if (gelf_getdyn(d, j, &dyn) != &dyn) {
2956                                 warnx("gelf_getdyn failed: %s",
2957                                     elf_errmsg(-1));
2958                                 continue;
2959                         }
2960                         nentries ++;
2961                         if (dyn.d_tag == DT_NULL)
2962                                 break;
2963                 }
2964
2965                 printf("\nDynamic section at offset 0x%jx", (uintmax_t)s->off);
2966                 printf(" contains %u entries:\n", nentries);
2967
2968                 if (re->ec == ELFCLASS32)
2969                         printf("%5s%12s%28s\n", "Tag", "Type", "Name/Value");
2970                 else
2971                         printf("%5s%20s%28s\n", "Tag", "Type", "Name/Value");
2972
2973                 for (j = 0; j < nentries; j++) {
2974                         if (gelf_getdyn(d, j, &dyn) != &dyn)
2975                                 continue;
2976                         /* Dump dynamic entry type. */
2977                         if (re->ec == ELFCLASS32)
2978                                 printf(" 0x%8.8jx", (uintmax_t)dyn.d_tag);
2979                         else
2980                                 printf(" 0x%16.16jx", (uintmax_t)dyn.d_tag);
2981                         printf(" %-20s", dt_type(re->ehdr.e_machine,
2982                             dyn.d_tag));
2983                         /* Dump dynamic entry value. */
2984                         dump_dyn_val(re, &dyn, s->link);
2985                 }
2986         }
2987
2988         if (!is_dynamic)
2989                 printf("\nThere is no dynamic section in this file.\n");
2990 }
2991
2992 static char *
2993 timestamp(time_t ti)
2994 {
2995         static char ts[32];
2996         struct tm *t;
2997
2998         t = gmtime(&ti);
2999         snprintf(ts, sizeof(ts), "%04d-%02d-%02dT%02d:%02d:%02d",
3000             t->tm_year + 1900, t->tm_mon + 1, t->tm_mday, t->tm_hour,
3001             t->tm_min, t->tm_sec);
3002
3003         return (ts);
3004 }
3005
3006 static const char *
3007 dyn_str(struct readelf *re, uint32_t stab, uint64_t d_val)
3008 {
3009         const char *name;
3010
3011         if (stab == SHN_UNDEF)
3012                 name = "ERROR";
3013         else if ((name = elf_strptr(re->elf, stab, d_val)) == NULL) {
3014                 (void) elf_errno(); /* clear error */
3015                 name = "ERROR";
3016         }
3017
3018         return (name);
3019 }
3020
3021 static void
3022 dump_arch_dyn_val(struct readelf *re, GElf_Dyn *dyn, uint32_t stab)
3023 {
3024         const char *name;
3025
3026         switch (re->ehdr.e_machine) {
3027         case EM_MIPS:
3028         case EM_MIPS_RS3_LE:
3029                 switch (dyn->d_tag) {
3030                 case DT_MIPS_RLD_VERSION:
3031                 case DT_MIPS_LOCAL_GOTNO:
3032                 case DT_MIPS_CONFLICTNO:
3033                 case DT_MIPS_LIBLISTNO:
3034                 case DT_MIPS_SYMTABNO:
3035                 case DT_MIPS_UNREFEXTNO:
3036                 case DT_MIPS_GOTSYM:
3037                 case DT_MIPS_HIPAGENO:
3038                 case DT_MIPS_DELTA_CLASS_NO:
3039                 case DT_MIPS_DELTA_INSTANCE_NO:
3040                 case DT_MIPS_DELTA_RELOC_NO:
3041                 case DT_MIPS_DELTA_SYM_NO:
3042                 case DT_MIPS_DELTA_CLASSSYM_NO:
3043                 case DT_MIPS_LOCALPAGE_GOTIDX:
3044                 case DT_MIPS_LOCAL_GOTIDX:
3045                 case DT_MIPS_HIDDEN_GOTIDX:
3046                 case DT_MIPS_PROTECTED_GOTIDX:
3047                         printf(" %ju\n", (uintmax_t) dyn->d_un.d_val);
3048                         break;
3049                 case DT_MIPS_ICHECKSUM:
3050                 case DT_MIPS_FLAGS:
3051                 case DT_MIPS_BASE_ADDRESS:
3052                 case DT_MIPS_CONFLICT:
3053                 case DT_MIPS_LIBLIST:
3054                 case DT_MIPS_RLD_MAP:
3055                 case DT_MIPS_DELTA_CLASS:
3056                 case DT_MIPS_DELTA_INSTANCE:
3057                 case DT_MIPS_DELTA_RELOC:
3058                 case DT_MIPS_DELTA_SYM:
3059                 case DT_MIPS_DELTA_CLASSSYM:
3060                 case DT_MIPS_CXX_FLAGS:
3061                 case DT_MIPS_PIXIE_INIT:
3062                 case DT_MIPS_SYMBOL_LIB:
3063                 case DT_MIPS_OPTIONS:
3064                 case DT_MIPS_INTERFACE:
3065                 case DT_MIPS_DYNSTR_ALIGN:
3066                 case DT_MIPS_INTERFACE_SIZE:
3067                 case DT_MIPS_RLD_TEXT_RESOLVE_ADDR:
3068                 case DT_MIPS_COMPACT_SIZE:
3069                 case DT_MIPS_GP_VALUE:
3070                 case DT_MIPS_AUX_DYNAMIC:
3071                 case DT_MIPS_PLTGOT:
3072                 case DT_MIPS_RLD_OBJ_UPDATE:
3073                 case DT_MIPS_RWPLT:
3074                         printf(" 0x%jx\n", (uintmax_t) dyn->d_un.d_val);
3075                         break;
3076                 case DT_MIPS_IVERSION:
3077                 case DT_MIPS_PERF_SUFFIX:
3078                 case DT_AUXILIARY:
3079                 case DT_FILTER:
3080                         name = dyn_str(re, stab, dyn->d_un.d_val);
3081                         printf(" %s\n", name);
3082                         break;
3083                 case DT_MIPS_TIME_STAMP:
3084                         printf(" %s\n", timestamp(dyn->d_un.d_val));
3085                         break;
3086                 }
3087                 break;
3088         default:
3089                 printf("\n");
3090                 break;
3091         }
3092 }
3093
3094 static void
3095 dump_dyn_val(struct readelf *re, GElf_Dyn *dyn, uint32_t stab)
3096 {
3097         const char *name;
3098
3099         if (dyn->d_tag >= DT_LOPROC && dyn->d_tag <= DT_HIPROC) {
3100                 dump_arch_dyn_val(re, dyn, stab);
3101                 return;
3102         }
3103
3104         /* These entry values are index into the string table. */
3105         name = NULL;
3106         if (dyn->d_tag == DT_NEEDED || dyn->d_tag == DT_SONAME ||
3107             dyn->d_tag == DT_RPATH || dyn->d_tag == DT_RUNPATH)
3108                 name = dyn_str(re, stab, dyn->d_un.d_val);
3109
3110         switch(dyn->d_tag) {
3111         case DT_NULL:
3112         case DT_PLTGOT:
3113         case DT_HASH:
3114         case DT_STRTAB:
3115         case DT_SYMTAB:
3116         case DT_RELA:
3117         case DT_INIT:
3118         case DT_SYMBOLIC:
3119         case DT_REL:
3120         case DT_DEBUG:
3121         case DT_TEXTREL:
3122         case DT_JMPREL:
3123         case DT_FINI:
3124         case DT_VERDEF:
3125         case DT_VERNEED:
3126         case DT_VERSYM:
3127         case DT_GNU_HASH:
3128         case DT_GNU_LIBLIST:
3129         case DT_GNU_CONFLICT:
3130                 printf(" 0x%jx\n", (uintmax_t) dyn->d_un.d_val);
3131                 break;
3132         case DT_PLTRELSZ:
3133         case DT_RELASZ:
3134         case DT_RELAENT:
3135         case DT_STRSZ:
3136         case DT_SYMENT:
3137         case DT_RELSZ:
3138         case DT_RELENT:
3139         case DT_INIT_ARRAYSZ:
3140         case DT_FINI_ARRAYSZ:
3141         case DT_GNU_CONFLICTSZ:
3142         case DT_GNU_LIBLISTSZ:
3143                 printf(" %ju (bytes)\n", (uintmax_t) dyn->d_un.d_val);
3144                 break;
3145         case DT_RELACOUNT:
3146         case DT_RELCOUNT:
3147         case DT_VERDEFNUM:
3148         case DT_VERNEEDNUM:
3149                 printf(" %ju\n", (uintmax_t) dyn->d_un.d_val);
3150                 break;
3151         case DT_NEEDED:
3152                 printf(" Shared library: [%s]\n", name);
3153                 break;
3154         case DT_SONAME:
3155                 printf(" Library soname: [%s]\n", name);
3156                 break;
3157         case DT_RPATH:
3158                 printf(" Library rpath: [%s]\n", name);
3159                 break;
3160         case DT_RUNPATH:
3161                 printf(" Library runpath: [%s]\n", name);
3162                 break;
3163         case DT_PLTREL:
3164                 printf(" %s\n", dt_type(re->ehdr.e_machine, dyn->d_un.d_val));
3165                 break;
3166         case DT_GNU_PRELINKED:
3167                 printf(" %s\n", timestamp(dyn->d_un.d_val));
3168                 break;
3169         default:
3170                 printf("\n");
3171         }
3172 }
3173
3174 static void
3175 dump_rel(struct readelf *re, struct section *s, Elf_Data *d)
3176 {
3177         GElf_Rel r;
3178         const char *symname;
3179         uint64_t symval;
3180         int i, len;
3181
3182 #define REL_HDR "r_offset", "r_info", "r_type", "st_value", "st_name"
3183 #define REL_CT32 (uintmax_t)r.r_offset, (uintmax_t)r.r_info,        \
3184                 r_type(re->ehdr.e_machine, ELF32_R_TYPE(r.r_info)), \
3185                 (uintmax_t)symval, symname
3186 #define REL_CT64 (uintmax_t)r.r_offset, (uintmax_t)r.r_info,        \
3187                 r_type(re->ehdr.e_machine, ELF64_R_TYPE(r.r_info)), \
3188                 (uintmax_t)symval, symname
3189
3190         printf("\nRelocation section (%s):\n", s->name);
3191         if (re->ec == ELFCLASS32)
3192                 printf("%-8s %-8s %-19s %-8s %s\n", REL_HDR);
3193         else {
3194                 if (re->options & RE_WW)
3195                         printf("%-16s %-16s %-24s %-16s %s\n", REL_HDR);
3196                 else
3197                         printf("%-12s %-12s %-19s %-16s %s\n", REL_HDR);
3198         }
3199         assert(d->d_size == s->sz);
3200         if (!get_ent_count(s, &len))
3201                 return;
3202         for (i = 0; i < len; i++) {
3203                 if (gelf_getrel(d, i, &r) != &r) {
3204                         warnx("gelf_getrel failed: %s", elf_errmsg(-1));
3205                         continue;
3206                 }
3207                 if (s->link >= re->shnum) {
3208                         warnx("invalid section link index %u", s->link);
3209                         continue;
3210                 }
3211                 symname = get_symbol_name(re, s->link, GELF_R_SYM(r.r_info));
3212                 symval = get_symbol_value(re, s->link, GELF_R_SYM(r.r_info));
3213                 if (re->ec == ELFCLASS32) {
3214                         r.r_info = ELF32_R_INFO(ELF64_R_SYM(r.r_info),
3215                             ELF64_R_TYPE(r.r_info));
3216                         printf("%8.8jx %8.8jx %-19.19s %8.8jx %s\n", REL_CT32);
3217                 } else {
3218                         if (re->options & RE_WW)
3219                                 printf("%16.16jx %16.16jx %-24.24s"
3220                                     " %16.16jx %s\n", REL_CT64);
3221                         else
3222                                 printf("%12.12jx %12.12jx %-19.19s"
3223                                     " %16.16jx %s\n", REL_CT64);
3224                 }
3225         }
3226
3227 #undef  REL_HDR
3228 #undef  REL_CT
3229 }
3230
3231 static void
3232 dump_rela(struct readelf *re, struct section *s, Elf_Data *d)
3233 {
3234         GElf_Rela r;
3235         const char *symname;
3236         uint64_t symval;
3237         int i, len;
3238
3239 #define RELA_HDR "r_offset", "r_info", "r_type", "st_value", \
3240                 "st_name + r_addend"
3241 #define RELA_CT32 (uintmax_t)r.r_offset, (uintmax_t)r.r_info,       \
3242                 r_type(re->ehdr.e_machine, ELF32_R_TYPE(r.r_info)), \
3243                 (uintmax_t)symval, symname
3244 #define RELA_CT64 (uintmax_t)r.r_offset, (uintmax_t)r.r_info,       \
3245                 r_type(re->ehdr.e_machine, ELF64_R_TYPE(r.r_info)), \
3246                 (uintmax_t)symval, symname
3247
3248         printf("\nRelocation section with addend (%s):\n", s->name);
3249         if (re->ec == ELFCLASS32)
3250                 printf("%-8s %-8s %-19s %-8s %s\n", RELA_HDR);
3251         else {
3252                 if (re->options & RE_WW)
3253                         printf("%-16s %-16s %-24s %-16s %s\n", RELA_HDR);
3254                 else
3255                         printf("%-12s %-12s %-19s %-16s %s\n", RELA_HDR);
3256         }
3257         assert(d->d_size == s->sz);
3258         if (!get_ent_count(s, &len))
3259                 return;
3260         for (i = 0; i < len; i++) {
3261                 if (gelf_getrela(d, i, &r) != &r) {
3262                         warnx("gelf_getrel failed: %s", elf_errmsg(-1));
3263                         continue;
3264                 }
3265                 if (s->link >= re->shnum) {
3266                         warnx("invalid section link index %u", s->link);
3267                         continue;
3268                 }
3269                 symname = get_symbol_name(re, s->link, GELF_R_SYM(r.r_info));
3270                 symval = get_symbol_value(re, s->link, GELF_R_SYM(r.r_info));
3271                 if (re->ec == ELFCLASS32) {
3272                         r.r_info = ELF32_R_INFO(ELF64_R_SYM(r.r_info),
3273                             ELF64_R_TYPE(r.r_info));
3274                         printf("%8.8jx %8.8jx %-19.19s %8.8jx %s", RELA_CT32);
3275                         printf(" + %x\n", (uint32_t) r.r_addend);
3276                 } else {
3277                         if (re->options & RE_WW)
3278                                 printf("%16.16jx %16.16jx %-24.24s"
3279                                     " %16.16jx %s", RELA_CT64);
3280                         else
3281                                 printf("%12.12jx %12.12jx %-19.19s"
3282                                     " %16.16jx %s", RELA_CT64);
3283                         printf(" + %jx\n", (uintmax_t) r.r_addend);
3284                 }
3285         }
3286
3287 #undef  RELA_HDR
3288 #undef  RELA_CT
3289 }
3290
3291 static void
3292 dump_reloc(struct readelf *re)
3293 {
3294         struct section *s;
3295         Elf_Data *d;
3296         int i, elferr;
3297
3298         for (i = 0; (size_t)i < re->shnum; i++) {
3299                 s = &re->sl[i];
3300                 if (s->type == SHT_REL || s->type == SHT_RELA) {
3301                         (void) elf_errno();
3302                         if ((d = elf_getdata(s->scn, NULL)) == NULL) {
3303                                 elferr = elf_errno();
3304                                 if (elferr != 0)
3305                                         warnx("elf_getdata failed: %s",
3306                                             elf_errmsg(elferr));
3307                                 continue;
3308                         }
3309                         if (s->type == SHT_REL)
3310                                 dump_rel(re, s, d);
3311                         else
3312                                 dump_rela(re, s, d);
3313                 }
3314         }
3315 }
3316
3317 static void
3318 dump_symtab(struct readelf *re, int i)
3319 {
3320         struct section *s;
3321         Elf_Data *d;
3322         GElf_Sym sym;
3323         const char *name;
3324         int elferr, stab, j, len;
3325
3326         s = &re->sl[i];
3327         stab = s->link;
3328         (void) elf_errno();
3329         if ((d = elf_getdata(s->scn, NULL)) == NULL) {
3330                 elferr = elf_errno();
3331                 if (elferr != 0)
3332                         warnx("elf_getdata failed: %s", elf_errmsg(elferr));
3333                 return;
3334         }
3335         if (d->d_size <= 0)
3336                 return;
3337         if (!get_ent_count(s, &len))
3338                 return;
3339         printf("Symbol table (%s)", s->name);
3340         printf(" contains %d entries:\n", len);
3341         printf("%7s%9s%14s%5s%8s%6s%9s%5s\n", "Num:", "Value", "Size", "Type",
3342             "Bind", "Vis", "Ndx", "Name");
3343
3344         for (j = 0; j < len; j++) {
3345                 if (gelf_getsym(d, j, &sym) != &sym) {
3346                         warnx("gelf_getsym failed: %s", elf_errmsg(-1));
3347                         continue;
3348                 }
3349                 printf("%6d:", j);
3350                 printf(" %16.16jx", (uintmax_t)sym.st_value);
3351                 printf(" %5ju", sym.st_size);
3352                 printf(" %-7s", st_type(GELF_ST_TYPE(sym.st_info)));
3353                 printf(" %-6s", st_bind(GELF_ST_BIND(sym.st_info)));
3354                 printf(" %-8s", st_vis(GELF_ST_VISIBILITY(sym.st_other)));
3355                 printf(" %3s", st_shndx(sym.st_shndx));
3356                 if ((name = elf_strptr(re->elf, stab, sym.st_name)) != NULL)
3357                         printf(" %s", name);
3358                 /* Append symbol version string for SHT_DYNSYM symbol table. */
3359                 if (s->type == SHT_DYNSYM && re->ver != NULL &&
3360                     re->vs != NULL && re->vs[j] > 1) {
3361                         if (re->vs[j] & 0x8000 ||
3362                             re->ver[re->vs[j] & 0x7fff].type == 0)
3363                                 printf("@%s (%d)",
3364                                     re->ver[re->vs[j] & 0x7fff].name,
3365                                     re->vs[j] & 0x7fff);
3366                         else
3367                                 printf("@@%s (%d)", re->ver[re->vs[j]].name,
3368                                     re->vs[j]);
3369                 }
3370                 putchar('\n');
3371         }
3372
3373 }
3374
3375 static void
3376 dump_symtabs(struct readelf *re)
3377 {
3378         GElf_Dyn dyn;
3379         Elf_Data *d;
3380         struct section *s;
3381         uint64_t dyn_off;
3382         int elferr, i, len;
3383
3384         /*
3385          * If -D is specified, only dump the symbol table specified by
3386          * the DT_SYMTAB entry in the .dynamic section.
3387          */
3388         dyn_off = 0;
3389         if (re->options & RE_DD) {
3390                 s = NULL;
3391                 for (i = 0; (size_t)i < re->shnum; i++)
3392                         if (re->sl[i].type == SHT_DYNAMIC) {
3393                                 s = &re->sl[i];
3394                                 break;
3395                         }
3396                 if (s == NULL)
3397                         return;
3398                 (void) elf_errno();
3399                 if ((d = elf_getdata(s->scn, NULL)) == NULL) {
3400                         elferr = elf_errno();
3401                         if (elferr != 0)
3402                                 warnx("elf_getdata failed: %s", elf_errmsg(-1));
3403                         return;
3404                 }
3405                 if (d->d_size <= 0)
3406                         return;
3407                 if (!get_ent_count(s, &len))
3408                         return;
3409
3410                 for (i = 0; i < len; i++) {
3411                         if (gelf_getdyn(d, i, &dyn) != &dyn) {
3412                                 warnx("gelf_getdyn failed: %s", elf_errmsg(-1));
3413                                 continue;
3414                         }
3415                         if (dyn.d_tag == DT_SYMTAB) {
3416                                 dyn_off = dyn.d_un.d_val;
3417                                 break;
3418                         }
3419                 }
3420         }
3421
3422         /* Find and dump symbol tables. */
3423         for (i = 0; (size_t)i < re->shnum; i++) {
3424                 s = &re->sl[i];
3425                 if (s->type == SHT_SYMTAB || s->type == SHT_DYNSYM) {
3426                         if (re->options & RE_DD) {
3427                                 if (dyn_off == s->addr) {
3428                                         dump_symtab(re, i);
3429                                         break;
3430                                 }
3431                         } else
3432                                 dump_symtab(re, i);
3433                 }
3434         }
3435 }
3436
3437 static void
3438 dump_svr4_hash(struct section *s)
3439 {
3440         Elf_Data        *d;
3441         uint32_t        *buf;
3442         uint32_t         nbucket, nchain;
3443         uint32_t        *bucket, *chain;
3444         uint32_t        *bl, *c, maxl, total;
3445         int              elferr, i, j;
3446
3447         /* Read and parse the content of .hash section. */
3448         (void) elf_errno();
3449         if ((d = elf_getdata(s->scn, NULL)) == NULL) {
3450                 elferr = elf_errno();
3451                 if (elferr != 0)
3452                         warnx("elf_getdata failed: %s", elf_errmsg(elferr));
3453                 return;
3454         }
3455         if (d->d_size < 2 * sizeof(uint32_t)) {
3456                 warnx(".hash section too small");
3457                 return;
3458         }
3459         buf = d->d_buf;
3460         nbucket = buf[0];
3461         nchain = buf[1];
3462         if (nbucket <= 0 || nchain <= 0) {
3463                 warnx("Malformed .hash section");
3464                 return;
3465         }
3466         if (d->d_size != (nbucket + nchain + 2) * sizeof(uint32_t)) {
3467                 warnx("Malformed .hash section");
3468                 return;
3469         }
3470         bucket = &buf[2];
3471         chain = &buf[2 + nbucket];
3472
3473         maxl = 0;
3474         if ((bl = calloc(nbucket, sizeof(*bl))) == NULL)
3475                 errx(EXIT_FAILURE, "calloc failed");
3476         for (i = 0; (uint32_t)i < nbucket; i++)
3477                 for (j = bucket[i]; j > 0 && (uint32_t)j < nchain; j = chain[j])
3478                         if (++bl[i] > maxl)
3479                                 maxl = bl[i];
3480         if ((c = calloc(maxl + 1, sizeof(*c))) == NULL)
3481                 errx(EXIT_FAILURE, "calloc failed");
3482         for (i = 0; (uint32_t)i < nbucket; i++)
3483                 c[bl[i]]++;
3484         printf("\nHistogram for bucket list length (total of %u buckets):\n",
3485             nbucket);
3486         printf(" Length\tNumber\t\t%% of total\tCoverage\n");
3487         total = 0;
3488         for (i = 0; (uint32_t)i <= maxl; i++) {
3489                 total += c[i] * i;
3490                 printf("%7u\t%-10u\t(%5.1f%%)\t%5.1f%%\n", i, c[i],
3491                     c[i] * 100.0 / nbucket, total * 100.0 / (nchain - 1));
3492         }
3493         free(c);
3494         free(bl);
3495 }
3496
3497 static void
3498 dump_svr4_hash64(struct readelf *re, struct section *s)
3499 {
3500         Elf_Data        *d, dst;
3501         uint64_t        *buf;
3502         uint64_t         nbucket, nchain;
3503         uint64_t        *bucket, *chain;
3504         uint64_t        *bl, *c, maxl, total;
3505         int              elferr, i, j;
3506
3507         /*
3508          * ALPHA uses 64-bit hash entries. Since libelf assumes that
3509          * .hash section contains only 32-bit entry, an explicit
3510          * gelf_xlatetom is needed here.
3511          */
3512         (void) elf_errno();
3513         if ((d = elf_rawdata(s->scn, NULL)) == NULL) {
3514                 elferr = elf_errno();
3515                 if (elferr != 0)
3516                         warnx("elf_rawdata failed: %s",
3517                             elf_errmsg(elferr));
3518                 return;
3519         }
3520         d->d_type = ELF_T_XWORD;
3521         memcpy(&dst, d, sizeof(Elf_Data));
3522         if (gelf_xlatetom(re->elf, &dst, d,
3523                 re->ehdr.e_ident[EI_DATA]) != &dst) {
3524                 warnx("gelf_xlatetom failed: %s", elf_errmsg(-1));
3525                 return;
3526         }
3527         if (dst.d_size < 2 * sizeof(uint64_t)) {
3528                 warnx(".hash section too small");
3529                 return;
3530         }
3531         buf = dst.d_buf;
3532         nbucket = buf[0];
3533         nchain = buf[1];
3534         if (nbucket <= 0 || nchain <= 0) {
3535                 warnx("Malformed .hash section");
3536                 return;
3537         }
3538         if (d->d_size != (nbucket + nchain + 2) * sizeof(uint32_t)) {
3539                 warnx("Malformed .hash section");
3540                 return;
3541         }
3542         bucket = &buf[2];
3543         chain = &buf[2 + nbucket];
3544
3545         maxl = 0;
3546         if ((bl = calloc(nbucket, sizeof(*bl))) == NULL)
3547                 errx(EXIT_FAILURE, "calloc failed");
3548         for (i = 0; (uint32_t)i < nbucket; i++)
3549                 for (j = bucket[i]; j > 0 && (uint32_t)j < nchain; j = chain[j])
3550                         if (++bl[i] > maxl)
3551                                 maxl = bl[i];
3552         if ((c = calloc(maxl + 1, sizeof(*c))) == NULL)
3553                 errx(EXIT_FAILURE, "calloc failed");
3554         for (i = 0; (uint64_t)i < nbucket; i++)
3555                 c[bl[i]]++;
3556         printf("Histogram for bucket list length (total of %ju buckets):\n",
3557             (uintmax_t)nbucket);
3558         printf(" Length\tNumber\t\t%% of total\tCoverage\n");
3559         total = 0;
3560         for (i = 0; (uint64_t)i <= maxl; i++) {
3561                 total += c[i] * i;
3562                 printf("%7u\t%-10ju\t(%5.1f%%)\t%5.1f%%\n", i, (uintmax_t)c[i],
3563                     c[i] * 100.0 / nbucket, total * 100.0 / (nchain - 1));
3564         }
3565         free(c);
3566         free(bl);
3567 }
3568
3569 static void
3570 dump_gnu_hash(struct readelf *re, struct section *s)
3571 {
3572         struct section  *ds;
3573         Elf_Data        *d;
3574         uint32_t        *buf;
3575         uint32_t        *bucket, *chain;
3576         uint32_t         nbucket, nchain, symndx, maskwords;
3577         uint32_t        *bl, *c, maxl, total;
3578         int              elferr, dynsymcount, i, j;
3579
3580         (void) elf_errno();
3581         if ((d = elf_getdata(s->scn, NULL)) == NULL) {
3582                 elferr = elf_errno();
3583                 if (elferr != 0)
3584                         warnx("elf_getdata failed: %s",
3585                             elf_errmsg(elferr));
3586                 return;
3587         }
3588         if (d->d_size < 4 * sizeof(uint32_t)) {
3589                 warnx(".gnu.hash section too small");
3590                 return;
3591         }
3592         buf = d->d_buf;
3593         nbucket = buf[0];
3594         symndx = buf[1];
3595         maskwords = buf[2];
3596         buf += 4;
3597         ds = &re->sl[s->link];
3598         if (!get_ent_count(ds, &dynsymcount))
3599                 return;
3600         nchain = dynsymcount - symndx;
3601         if (d->d_size != 4 * sizeof(uint32_t) + maskwords *
3602             (re->ec == ELFCLASS32 ? sizeof(uint32_t) : sizeof(uint64_t)) +
3603             (nbucket + nchain) * sizeof(uint32_t)) {
3604                 warnx("Malformed .gnu.hash section");
3605                 return;
3606         }
3607         bucket = buf + (re->ec == ELFCLASS32 ? maskwords : maskwords * 2);
3608         chain = bucket + nbucket;
3609
3610         maxl = 0;
3611         if ((bl = calloc(nbucket, sizeof(*bl))) == NULL)
3612                 errx(EXIT_FAILURE, "calloc failed");
3613         for (i = 0; (uint32_t)i < nbucket; i++)
3614                 for (j = bucket[i]; j > 0 && (uint32_t)j - symndx < nchain;
3615                      j++) {
3616                         if (++bl[i] > maxl)
3617                                 maxl = bl[i];
3618                         if (chain[j - symndx] & 1)
3619                                 break;
3620                 }
3621         if ((c = calloc(maxl + 1, sizeof(*c))) == NULL)
3622                 errx(EXIT_FAILURE, "calloc failed");
3623         for (i = 0; (uint32_t)i < nbucket; i++)
3624                 c[bl[i]]++;
3625         printf("Histogram for bucket list length (total of %u buckets):\n",
3626             nbucket);
3627         printf(" Length\tNumber\t\t%% of total\tCoverage\n");
3628         total = 0;
3629         for (i = 0; (uint32_t)i <= maxl; i++) {
3630                 total += c[i] * i;
3631                 printf("%7u\t%-10u\t(%5.1f%%)\t%5.1f%%\n", i, c[i],
3632                     c[i] * 100.0 / nbucket, total * 100.0 / (nchain - 1));
3633         }
3634         free(c);
3635         free(bl);
3636 }
3637
3638 static void
3639 dump_hash(struct readelf *re)
3640 {
3641         struct section  *s;
3642         int              i;
3643
3644         for (i = 0; (size_t) i < re->shnum; i++) {
3645                 s = &re->sl[i];
3646                 if (s->type == SHT_HASH || s->type == SHT_GNU_HASH) {
3647                         if (s->type == SHT_GNU_HASH)
3648                                 dump_gnu_hash(re, s);
3649                         else if (re->ehdr.e_machine == EM_ALPHA &&
3650                             s->entsize == 8)
3651                                 dump_svr4_hash64(re, s);
3652                         else
3653                                 dump_svr4_hash(s);
3654                 }
3655         }
3656 }
3657
3658 static void
3659 dump_notes(struct readelf *re)
3660 {
3661         struct section *s;
3662         const char *rawfile;
3663         GElf_Phdr phdr;
3664         Elf_Data *d;
3665         size_t phnum;
3666         int i, elferr;
3667
3668         if (re->ehdr.e_type == ET_CORE) {
3669                 /*
3670                  * Search program headers in the core file for
3671                  * PT_NOTE entry.
3672                  */
3673                 if (elf_getphnum(re->elf, &phnum) == 0) {
3674                         warnx("elf_getphnum failed: %s", elf_errmsg(-1));
3675                         return;
3676                 }
3677                 if (phnum == 0)
3678                         return;
3679                 if ((rawfile = elf_rawfile(re->elf, NULL)) == NULL) {
3680                         warnx("elf_rawfile failed: %s", elf_errmsg(-1));
3681                         return;
3682                 }
3683                 for (i = 0; (size_t) i < phnum; i++) {
3684                         if (gelf_getphdr(re->elf, i, &phdr) != &phdr) {
3685                                 warnx("gelf_getphdr failed: %s",
3686                                     elf_errmsg(-1));
3687                                 continue;
3688                         }
3689                         if (phdr.p_type == PT_NOTE)
3690                                 dump_notes_content(re, rawfile + phdr.p_offset,
3691                                     phdr.p_filesz, phdr.p_offset);
3692                 }
3693
3694         } else {
3695                 /*
3696                  * For objects other than core files, Search for
3697                  * SHT_NOTE sections.
3698                  */
3699                 for (i = 0; (size_t) i < re->shnum; i++) {
3700                         s = &re->sl[i];
3701                         if (s->type == SHT_NOTE) {
3702                                 (void) elf_errno();
3703                                 if ((d = elf_getdata(s->scn, NULL)) == NULL) {
3704                                         elferr = elf_errno();
3705                                         if (elferr != 0)
3706                                                 warnx("elf_getdata failed: %s",
3707                                                     elf_errmsg(elferr));
3708                                         continue;
3709                                 }
3710                                 dump_notes_content(re, d->d_buf, d->d_size,
3711                                     s->off);
3712                         }
3713                 }
3714         }
3715 }
3716
3717 static void
3718 dump_notes_content(struct readelf *re, const char *buf, size_t sz, off_t off)
3719 {
3720         Elf_Note *note;
3721         const char *end, *name;
3722
3723         printf("\nNotes at offset %#010jx with length %#010jx:\n",
3724             (uintmax_t) off, (uintmax_t) sz);
3725         printf("  %-13s %-15s %s\n", "Owner", "Data size", "Description");
3726         end = buf + sz;
3727         while (buf < end) {
3728                 if (buf + sizeof(*note) > end) {
3729                         warnx("invalid note header");
3730                         return;
3731                 }
3732                 note = (Elf_Note *)(uintptr_t) buf;
3733                 name = (char *)(uintptr_t)(note + 1);
3734                 /*
3735                  * The name field is required to be nul-terminated, and
3736                  * n_namesz includes the terminating nul in observed
3737                  * implementations (contrary to the ELF-64 spec). A special
3738                  * case is needed for cores generated by some older Linux
3739                  * versions, which write a note named "CORE" without a nul
3740                  * terminator and n_namesz = 4.
3741                  */
3742                 if (note->n_namesz == 0)
3743                         name = "";
3744                 else if (note->n_namesz == 4 && strncmp(name, "CORE", 4) == 0)
3745                         name = "CORE";
3746                 else if (strnlen(name, note->n_namesz) >= note->n_namesz)
3747                         name = "<invalid>";
3748                 printf("  %-13s %#010jx", name, (uintmax_t) note->n_descsz);
3749                 printf("      %s\n", note_type(name, re->ehdr.e_type,
3750                     note->n_type));
3751                 buf += sizeof(Elf_Note) + roundup2(note->n_namesz, 4) +
3752                     roundup2(note->n_descsz, 4);
3753         }
3754 }
3755
3756 /*
3757  * Symbol versioning sections are the same for 32bit and 64bit
3758  * ELF objects.
3759  */
3760 #define Elf_Verdef      Elf32_Verdef
3761 #define Elf_Verdaux     Elf32_Verdaux
3762 #define Elf_Verneed     Elf32_Verneed
3763 #define Elf_Vernaux     Elf32_Vernaux
3764
3765 #define SAVE_VERSION_NAME(x, n, t)                                      \
3766         do {                                                            \
3767                 while (x >= re->ver_sz) {                               \
3768                         nv = realloc(re->ver,                           \
3769                             sizeof(*re->ver) * re->ver_sz * 2);         \
3770                         if (nv == NULL) {                               \
3771                                 warn("realloc failed");                 \
3772                                 free(re->ver);                          \
3773                                 return;                                 \
3774                         }                                               \
3775                         re->ver = nv;                                   \
3776                         for (i = re->ver_sz; i < re->ver_sz * 2; i++) { \
3777                                 re->ver[i].name = NULL;                 \
3778                                 re->ver[i].type = 0;                    \
3779                         }                                               \
3780                         re->ver_sz *= 2;                                \
3781                 }                                                       \
3782                 if (x > 1) {                                            \
3783                         re->ver[x].name = n;                            \
3784                         re->ver[x].type = t;                            \
3785                 }                                                       \
3786         } while (0)
3787
3788
3789 static void
3790 dump_verdef(struct readelf *re, int dump)
3791 {
3792         struct section *s;
3793         struct symver *nv;
3794         Elf_Data *d;
3795         Elf_Verdef *vd;
3796         Elf_Verdaux *vda;
3797         uint8_t *buf, *end, *buf2;
3798         const char *name;
3799         int elferr, i, j;
3800
3801         if ((s = re->vd_s) == NULL)
3802                 return;
3803
3804         if (re->ver == NULL) {
3805                 re->ver_sz = 16;
3806                 if ((re->ver = calloc(re->ver_sz, sizeof(*re->ver))) ==
3807                     NULL) {
3808                         warn("calloc failed");
3809                         return;
3810                 }
3811                 re->ver[0].name = "*local*";
3812                 re->ver[1].name = "*global*";
3813         }
3814
3815         if (dump)
3816                 printf("\nVersion definition section (%s):\n", s->name);
3817         (void) elf_errno();
3818         if ((d = elf_getdata(s->scn, NULL)) == NULL) {
3819                 elferr = elf_errno();
3820                 if (elferr != 0)
3821                         warnx("elf_getdata failed: %s", elf_errmsg(elferr));
3822                 return;
3823         }
3824         if (d->d_size == 0)
3825                 return;
3826
3827         buf = d->d_buf;
3828         end = buf + d->d_size;
3829         while (buf + sizeof(Elf_Verdef) <= end) {
3830                 vd = (Elf_Verdef *) (uintptr_t) buf;
3831                 if (dump) {
3832                         printf("  0x%4.4lx", (unsigned long)
3833                             (buf - (uint8_t *)d->d_buf));
3834                         printf(" vd_version: %u vd_flags: %d"
3835                             " vd_ndx: %u vd_cnt: %u", vd->vd_version,
3836                             vd->vd_flags, vd->vd_ndx, vd->vd_cnt);
3837                 }
3838                 buf2 = buf + vd->vd_aux;
3839                 j = 0;
3840                 while (buf2 + sizeof(Elf_Verdaux) <= end && j < vd->vd_cnt) {
3841                         vda = (Elf_Verdaux *) (uintptr_t) buf2;
3842                         name = get_string(re, s->link, vda->vda_name);
3843                         if (j == 0) {
3844                                 if (dump)
3845                                         printf(" vda_name: %s\n", name);
3846                                 SAVE_VERSION_NAME((int)vd->vd_ndx, name, 1);
3847                         } else if (dump)
3848                                 printf("  0x%4.4lx parent: %s\n",
3849                                     (unsigned long) (buf2 -
3850                                     (uint8_t *)d->d_buf), name);
3851                         if (vda->vda_next == 0)
3852                                 break;
3853                         buf2 += vda->vda_next;
3854                         j++;
3855                 }
3856                 if (vd->vd_next == 0)
3857                         break;
3858                 buf += vd->vd_next;
3859         }
3860 }
3861
3862 static void
3863 dump_verneed(struct readelf *re, int dump)
3864 {
3865         struct section *s;
3866         struct symver *nv;
3867         Elf_Data *d;
3868         Elf_Verneed *vn;
3869         Elf_Vernaux *vna;
3870         uint8_t *buf, *end, *buf2;
3871         const char *name;
3872         int elferr, i, j;
3873
3874         if ((s = re->vn_s) == NULL)
3875                 return;
3876
3877         if (re->ver == NULL) {
3878                 re->ver_sz = 16;
3879                 if ((re->ver = calloc(re->ver_sz, sizeof(*re->ver))) ==
3880                     NULL) {
3881                         warn("calloc failed");
3882                         return;
3883                 }
3884                 re->ver[0].name = "*local*";
3885                 re->ver[1].name = "*global*";
3886         }
3887
3888         if (dump)
3889                 printf("\nVersion needed section (%s):\n", s->name);
3890         (void) elf_errno();
3891         if ((d = elf_getdata(s->scn, NULL)) == NULL) {
3892                 elferr = elf_errno();
3893                 if (elferr != 0)
3894                         warnx("elf_getdata failed: %s", elf_errmsg(elferr));
3895                 return;
3896         }
3897         if (d->d_size == 0)
3898                 return;
3899
3900         buf = d->d_buf;
3901         end = buf + d->d_size;
3902         while (buf + sizeof(Elf_Verneed) <= end) {
3903                 vn = (Elf_Verneed *) (uintptr_t) buf;
3904                 if (dump) {
3905                         printf("  0x%4.4lx", (unsigned long)
3906                             (buf - (uint8_t *)d->d_buf));
3907                         printf(" vn_version: %u vn_file: %s vn_cnt: %u\n",
3908                             vn->vn_version,
3909                             get_string(re, s->link, vn->vn_file),
3910                             vn->vn_cnt);
3911                 }
3912                 buf2 = buf + vn->vn_aux;
3913                 j = 0;
3914                 while (buf2 + sizeof(Elf_Vernaux) <= end && j < vn->vn_cnt) {
3915                         vna = (Elf32_Vernaux *) (uintptr_t) buf2;
3916                         if (dump)
3917                                 printf("  0x%4.4lx", (unsigned long)
3918                                     (buf2 - (uint8_t *)d->d_buf));
3919                         name = get_string(re, s->link, vna->vna_name);
3920                         if (dump)
3921                                 printf("   vna_name: %s vna_flags: %u"
3922                                     " vna_other: %u\n", name,
3923                                     vna->vna_flags, vna->vna_other);
3924                         SAVE_VERSION_NAME((int)vna->vna_other, name, 0);
3925                         if (vna->vna_next == 0)
3926                                 break;
3927                         buf2 += vna->vna_next;
3928                         j++;
3929                 }
3930                 if (vn->vn_next == 0)
3931                         break;
3932                 buf += vn->vn_next;
3933         }
3934 }
3935
3936 static void
3937 dump_versym(struct readelf *re)
3938 {
3939         int i;
3940
3941         if (re->vs_s == NULL || re->ver == NULL || re->vs == NULL)
3942                 return;
3943         printf("\nVersion symbol section (%s):\n", re->vs_s->name);
3944         for (i = 0; i < re->vs_sz; i++) {
3945                 if ((i & 3) == 0) {
3946                         if (i > 0)
3947                                 putchar('\n');
3948                         printf("  %03x:", i);
3949                 }
3950                 if (re->vs[i] & 0x8000)
3951                         printf(" %3xh %-12s ", re->vs[i] & 0x7fff,
3952                             re->ver[re->vs[i] & 0x7fff].name);
3953                 else
3954                         printf(" %3x %-12s ", re->vs[i],
3955                             re->ver[re->vs[i]].name);
3956         }
3957         putchar('\n');
3958 }
3959
3960 static void
3961 dump_ver(struct readelf *re)
3962 {
3963
3964         if (re->vs_s && re->ver && re->vs)
3965                 dump_versym(re);
3966         if (re->vd_s)
3967                 dump_verdef(re, 1);
3968         if (re->vn_s)
3969                 dump_verneed(re, 1);
3970 }
3971
3972 static void
3973 search_ver(struct readelf *re)
3974 {
3975         struct section *s;
3976         Elf_Data *d;
3977         int elferr, i;
3978
3979         for (i = 0; (size_t) i < re->shnum; i++) {
3980                 s = &re->sl[i];
3981                 if (s->type == SHT_SUNW_versym)
3982                         re->vs_s = s;
3983                 if (s->type == SHT_SUNW_verneed)
3984                         re->vn_s = s;
3985                 if (s->type == SHT_SUNW_verdef)
3986                         re->vd_s = s;
3987         }
3988         if (re->vd_s)
3989                 dump_verdef(re, 0);
3990         if (re->vn_s)
3991                 dump_verneed(re, 0);
3992         if (re->vs_s && re->ver != NULL) {
3993                 (void) elf_errno();
3994                 if ((d = elf_getdata(re->vs_s->scn, NULL)) == NULL) {
3995                         elferr = elf_errno();
3996                         if (elferr != 0)
3997                                 warnx("elf_getdata failed: %s",
3998                                     elf_errmsg(elferr));
3999                         return;
4000                 }
4001                 if (d->d_size == 0)
4002                         return;
4003                 re->vs = d->d_buf;
4004                 re->vs_sz = d->d_size / sizeof(Elf32_Half);
4005         }
4006 }
4007
4008 #undef  Elf_Verdef
4009 #undef  Elf_Verdaux
4010 #undef  Elf_Verneed
4011 #undef  Elf_Vernaux
4012 #undef  SAVE_VERSION_NAME
4013
4014 /*
4015  * Elf32_Lib and Elf64_Lib are identical.
4016  */
4017 #define Elf_Lib         Elf32_Lib
4018
4019 static void
4020 dump_liblist(struct readelf *re)
4021 {
4022         struct section *s;
4023         struct tm *t;
4024         time_t ti;
4025         char tbuf[20];
4026         Elf_Data *d;
4027         Elf_Lib *lib;
4028         int i, j, k, elferr, first, len;
4029
4030         for (i = 0; (size_t) i < re->shnum; i++) {
4031                 s = &re->sl[i];
4032                 if (s->type != SHT_GNU_LIBLIST)
4033                         continue;
4034                 (void) elf_errno();
4035                 if ((d = elf_getdata(s->scn, NULL)) == NULL) {
4036                         elferr = elf_errno();
4037                         if (elferr != 0)
4038                                 warnx("elf_getdata failed: %s",
4039                                     elf_errmsg(elferr));
4040                         continue;
4041                 }
4042                 if (d->d_size <= 0)
4043                         continue;
4044                 lib = d->d_buf;
4045                 if (!get_ent_count(s, &len))
4046                         continue;
4047                 printf("\nLibrary list section '%s' ", s->name);
4048                 printf("contains %d entries:\n", len);
4049                 printf("%12s%24s%18s%10s%6s\n", "Library", "Time Stamp",
4050                     "Checksum", "Version", "Flags");
4051                 for (j = 0; (uint64_t) j < s->sz / s->entsize; j++) {
4052                         printf("%3d: ", j);
4053                         printf("%-20.20s ",
4054                             get_string(re, s->link, lib->l_name));
4055                         ti = lib->l_time_stamp;
4056                         t = gmtime(&ti);
4057                         snprintf(tbuf, sizeof(tbuf), "%04d-%02d-%02dT%02d:%02d"
4058                             ":%2d", t->tm_year + 1900, t->tm_mon + 1,
4059                             t->tm_mday, t->tm_hour, t->tm_min, t->tm_sec);
4060                         printf("%-19.19s ", tbuf);
4061                         printf("0x%08x ", lib->l_checksum);
4062                         printf("%-7d %#x", lib->l_version, lib->l_flags);
4063                         if (lib->l_flags != 0) {
4064                                 first = 1;
4065                                 putchar('(');
4066                                 for (k = 0; l_flag[k].name != NULL; k++) {
4067                                         if ((l_flag[k].value & lib->l_flags) ==
4068                                             0)
4069                                                 continue;
4070                                         if (!first)
4071                                                 putchar(',');
4072                                         else
4073                                                 first = 0;
4074                                         printf("%s", l_flag[k].name);
4075                                 }
4076                                 putchar(')');
4077                         }
4078                         putchar('\n');
4079                         lib++;
4080                 }
4081         }
4082 }
4083
4084 #undef Elf_Lib
4085
4086 static void
4087 dump_section_groups(struct readelf *re)
4088 {
4089         struct section *s;
4090         const char *symname;
4091         Elf_Data *d;
4092         uint32_t *w;
4093         int i, j, elferr;
4094         size_t n;
4095
4096         for (i = 0; (size_t) i < re->shnum; i++) {
4097                 s = &re->sl[i];
4098                 if (s->type != SHT_GROUP)
4099                         continue;
4100                 (void) elf_errno();
4101                 if ((d = elf_getdata(s->scn, NULL)) == NULL) {
4102                         elferr = elf_errno();
4103                         if (elferr != 0)
4104                                 warnx("elf_getdata failed: %s",
4105                                     elf_errmsg(elferr));
4106                         continue;
4107                 }
4108                 if (d->d_size <= 0)
4109                         continue;
4110
4111                 w = d->d_buf;
4112
4113                 /* We only support COMDAT section. */
4114 #ifndef GRP_COMDAT
4115 #define GRP_COMDAT 0x1
4116 #endif
4117                 if ((*w++ & GRP_COMDAT) == 0)
4118                         return;
4119
4120                 if (s->entsize == 0)
4121                         s->entsize = 4;
4122
4123                 symname = get_symbol_name(re, s->link, s->info);
4124                 n = s->sz / s->entsize;
4125                 if (n-- < 1)
4126                         return;
4127
4128                 printf("\nCOMDAT group section [%5d] `%s' [%s] contains %ju"
4129                     " sections:\n", i, s->name, symname, (uintmax_t)n);
4130                 printf("   %-10.10s %s\n", "[Index]", "Name");
4131                 for (j = 0; (size_t) j < n; j++, w++) {
4132                         if (*w >= re->shnum) {
4133                                 warnx("invalid section index: %u", *w);
4134                                 continue;
4135                         }
4136                         printf("   [%5u]   %s\n", *w, re->sl[*w].name);
4137                 }
4138         }
4139 }
4140
4141 static uint8_t *
4142 dump_unknown_tag(uint64_t tag, uint8_t *p)
4143 {
4144         uint64_t val;
4145
4146         /*
4147          * According to ARM EABI: For tags > 32, even numbered tags have
4148          * a ULEB128 param and odd numbered ones have NUL-terminated
4149          * string param. This rule probably also applies for tags <= 32
4150          * if the object arch is not ARM.
4151          */
4152
4153         printf("  Tag_unknown_%ju: ", (uintmax_t) tag);
4154
4155         if (tag & 1) {
4156                 printf("%s\n", (char *) p);
4157                 p += strlen((char *) p) + 1;
4158         } else {
4159                 val = _decode_uleb128(&p);
4160                 printf("%ju\n", (uintmax_t) val);
4161         }
4162
4163         return (p);
4164 }
4165
4166 static uint8_t *
4167 dump_compatibility_tag(uint8_t *p)
4168 {
4169         uint64_t val;
4170
4171         val = _decode_uleb128(&p);
4172         printf("flag = %ju, vendor = %s\n", val, p);
4173         p += strlen((char *) p) + 1;
4174
4175         return (p);
4176 }
4177
4178 static void
4179 dump_arm_attributes(struct readelf *re, uint8_t *p, uint8_t *pe)
4180 {
4181         uint64_t tag, val;
4182         size_t i;
4183         int found, desc;
4184
4185         (void) re;
4186
4187         while (p < pe) {
4188                 tag = _decode_uleb128(&p);
4189                 found = desc = 0;
4190                 for (i = 0; i < sizeof(aeabi_tags) / sizeof(aeabi_tags[0]);
4191                      i++) {
4192                         if (tag == aeabi_tags[i].tag) {
4193                                 found = 1;
4194                                 printf("  %s: ", aeabi_tags[i].s_tag);
4195                                 if (aeabi_tags[i].get_desc) {
4196                                         desc = 1;
4197                                         val = _decode_uleb128(&p);
4198                                         printf("%s\n",
4199                                             aeabi_tags[i].get_desc(val));
4200                                 }
4201                                 break;
4202                         }
4203                         if (tag < aeabi_tags[i].tag)
4204                                 break;
4205                 }
4206                 if (!found) {
4207                         p = dump_unknown_tag(tag, p);
4208                         continue;
4209                 }
4210                 if (desc)
4211                         continue;
4212
4213                 switch (tag) {
4214                 case 4:         /* Tag_CPU_raw_name */
4215                 case 5:         /* Tag_CPU_name */
4216                 case 67:        /* Tag_conformance */
4217                         printf("%s\n", (char *) p);
4218                         p += strlen((char *) p) + 1;
4219                         break;
4220                 case 32:        /* Tag_compatibility */
4221                         p = dump_compatibility_tag(p);
4222                         break;
4223                 case 64:        /* Tag_nodefaults */
4224                         /* ignored, written as 0. */
4225                         (void) _decode_uleb128(&p);
4226                         printf("True\n");
4227                         break;
4228                 case 65:        /* Tag_also_compatible_with */
4229                         val = _decode_uleb128(&p);
4230                         /* Must be Tag_CPU_arch */
4231                         if (val != 6) {
4232                                 printf("unknown\n");
4233                                 break;
4234                         }
4235                         val = _decode_uleb128(&p);
4236                         printf("%s\n", aeabi_cpu_arch(val));
4237                         /* Skip NUL terminator. */
4238                         p++;
4239                         break;
4240                 default:
4241                         putchar('\n');
4242                         break;
4243                 }
4244         }
4245 }
4246
4247 #ifndef Tag_GNU_MIPS_ABI_FP
4248 #define Tag_GNU_MIPS_ABI_FP     4
4249 #endif
4250
4251 static void
4252 dump_mips_attributes(struct readelf *re, uint8_t *p, uint8_t *pe)
4253 {
4254         uint64_t tag, val;
4255
4256         (void) re;
4257
4258         while (p < pe) {
4259                 tag = _decode_uleb128(&p);
4260                 switch (tag) {
4261                 case Tag_GNU_MIPS_ABI_FP:
4262                         val = _decode_uleb128(&p);
4263                         printf("  Tag_GNU_MIPS_ABI_FP: %s\n", mips_abi_fp(val));
4264                         break;
4265                 case 32:        /* Tag_compatibility */
4266                         p = dump_compatibility_tag(p);
4267                         break;
4268                 default:
4269                         p = dump_unknown_tag(tag, p);
4270                         break;
4271                 }
4272         }
4273 }
4274
4275 #ifndef Tag_GNU_Power_ABI_FP
4276 #define Tag_GNU_Power_ABI_FP    4
4277 #endif
4278
4279 #ifndef Tag_GNU_Power_ABI_Vector
4280 #define Tag_GNU_Power_ABI_Vector        8
4281 #endif
4282
4283 static void
4284 dump_ppc_attributes(uint8_t *p, uint8_t *pe)
4285 {
4286         uint64_t tag, val;
4287
4288         while (p < pe) {
4289                 tag = _decode_uleb128(&p);
4290                 switch (tag) {
4291                 case Tag_GNU_Power_ABI_FP:
4292                         val = _decode_uleb128(&p);
4293                         printf("  Tag_GNU_Power_ABI_FP: %s\n", ppc_abi_fp(val));
4294                         break;
4295                 case Tag_GNU_Power_ABI_Vector:
4296                         val = _decode_uleb128(&p);
4297                         printf("  Tag_GNU_Power_ABI_Vector: %s\n",
4298                             ppc_abi_vector(val));
4299                         break;
4300                 case 32:        /* Tag_compatibility */
4301                         p = dump_compatibility_tag(p);
4302                         break;
4303                 default:
4304                         p = dump_unknown_tag(tag, p);
4305                         break;
4306                 }
4307         }
4308 }
4309
4310 static void
4311 dump_attributes(struct readelf *re)
4312 {
4313         struct section *s;
4314         Elf_Data *d;
4315         uint8_t *p, *sp;
4316         size_t len, seclen, nlen, sublen;
4317         uint64_t val;
4318         int tag, i, elferr;
4319
4320         for (i = 0; (size_t) i < re->shnum; i++) {
4321                 s = &re->sl[i];
4322                 if (s->type != SHT_GNU_ATTRIBUTES &&
4323                     (re->ehdr.e_machine != EM_ARM || s->type != SHT_LOPROC + 3))
4324                         continue;
4325                 (void) elf_errno();
4326                 if ((d = elf_rawdata(s->scn, NULL)) == NULL) {
4327                         elferr = elf_errno();
4328                         if (elferr != 0)
4329                                 warnx("elf_rawdata failed: %s",
4330                                     elf_errmsg(elferr));
4331                         continue;
4332                 }
4333                 if (d->d_size <= 0)
4334                         continue;
4335                 p = d->d_buf;
4336                 if (*p != 'A') {
4337                         printf("Unknown Attribute Section Format: %c\n",
4338                             (char) *p);
4339                         continue;
4340                 }
4341                 len = d->d_size - 1;
4342                 p++;
4343                 while (len > 0) {
4344                         if (len < 4) {
4345                                 warnx("truncated attribute section length");
4346                                 break;
4347                         }
4348                         seclen = re->dw_decode(&p, 4);
4349                         if (seclen > len) {
4350                                 warnx("invalid attribute section length");
4351                                 break;
4352                         }
4353                         len -= seclen;
4354                         nlen = strlen((char *) p) + 1;
4355                         if (nlen + 4 > seclen) {
4356                                 warnx("invalid attribute section name");
4357                                 break;
4358                         }
4359                         printf("Attribute Section: %s\n", (char *) p);
4360                         p += nlen;
4361                         seclen -= nlen + 4;
4362                         while (seclen > 0) {
4363                                 sp = p;
4364                                 tag = *p++;
4365                                 sublen = re->dw_decode(&p, 4);
4366                                 if (sublen > seclen) {
4367                                         warnx("invalid attribute sub-section"
4368                                             " length");
4369                                         break;
4370                                 }
4371                                 seclen -= sublen;
4372                                 printf("%s", top_tag(tag));
4373                                 if (tag == 2 || tag == 3) {
4374                                         putchar(':');
4375                                         for (;;) {
4376                                                 val = _decode_uleb128(&p);
4377                                                 if (val == 0)
4378                                                         break;
4379                                                 printf(" %ju", (uintmax_t) val);
4380                                         }
4381                                 }
4382                                 putchar('\n');
4383                                 if (re->ehdr.e_machine == EM_ARM &&
4384                                     s->type == SHT_LOPROC + 3)
4385                                         dump_arm_attributes(re, p, sp + sublen);
4386                                 else if (re->ehdr.e_machine == EM_MIPS ||
4387                                     re->ehdr.e_machine == EM_MIPS_RS3_LE)
4388                                         dump_mips_attributes(re, p,
4389                                             sp + sublen);
4390                                 else if (re->ehdr.e_machine == EM_PPC)
4391                                         dump_ppc_attributes(p, sp + sublen);
4392                                 p = sp + sublen;
4393                         }
4394                 }
4395         }
4396 }
4397
4398 static void
4399 dump_mips_specific_info(struct readelf *re)
4400 {
4401         struct section *s;
4402         int i, options_found;
4403
4404         options_found = 0;
4405         s = NULL;
4406         for (i = 0; (size_t) i < re->shnum; i++) {
4407                 s = &re->sl[i];
4408                 if (s->name != NULL && (!strcmp(s->name, ".MIPS.options") ||
4409                     (s->type == SHT_MIPS_OPTIONS))) {
4410                         dump_mips_options(re, s);
4411                         options_found = 1;
4412                 }
4413         }
4414
4415         /*
4416          * According to SGI mips64 spec, .reginfo should be ignored if
4417          * .MIPS.options section is present.
4418          */
4419         if (!options_found) {
4420                 for (i = 0; (size_t) i < re->shnum; i++) {
4421                         s = &re->sl[i];
4422                         if (s->name != NULL && (!strcmp(s->name, ".reginfo") ||
4423                             (s->type == SHT_MIPS_REGINFO)))
4424                                 dump_mips_reginfo(re, s);
4425                 }
4426         }
4427 }
4428
4429 static void
4430 dump_mips_reginfo(struct readelf *re, struct section *s)
4431 {
4432         Elf_Data *d;
4433         int elferr, len;
4434
4435         (void) elf_errno();
4436         if ((d = elf_rawdata(s->scn, NULL)) == NULL) {
4437                 elferr = elf_errno();
4438                 if (elferr != 0)
4439                         warnx("elf_rawdata failed: %s",
4440                             elf_errmsg(elferr));
4441                 return;
4442         }
4443         if (d->d_size <= 0)
4444                 return;
4445         if (!get_ent_count(s, &len))
4446                 return;
4447
4448         printf("\nSection '%s' contains %d entries:\n", s->name, len);
4449         dump_mips_odk_reginfo(re, d->d_buf, d->d_size);
4450 }
4451
4452 static void
4453 dump_mips_options(struct readelf *re, struct section *s)
4454 {
4455         Elf_Data *d;
4456         uint32_t info;
4457         uint16_t sndx;
4458         uint8_t *p, *pe;
4459         uint8_t kind, size;
4460         int elferr;
4461
4462         (void) elf_errno();
4463         if ((d = elf_rawdata(s->scn, NULL)) == NULL) {
4464                 elferr = elf_errno();
4465                 if (elferr != 0)
4466                         warnx("elf_rawdata failed: %s",
4467                             elf_errmsg(elferr));
4468                 return;
4469         }
4470         if (d->d_size == 0)
4471                 return;
4472
4473         printf("\nSection %s contains:\n", s->name);
4474         p = d->d_buf;
4475         pe = p + d->d_size;
4476         while (p < pe) {
4477                 if (pe - p < 8) {
4478                         warnx("Truncated MIPS option header");
4479                         return;
4480                 }
4481                 kind = re->dw_decode(&p, 1);
4482                 size = re->dw_decode(&p, 1);
4483                 sndx = re->dw_decode(&p, 2);
4484                 info = re->dw_decode(&p, 4);
4485                 if (size < 8 || size - 8 > pe - p) {
4486                         warnx("Malformed MIPS option header");
4487                         return;
4488                 }
4489                 size -= 8;
4490                 switch (kind) {
4491                 case ODK_REGINFO:
4492                         dump_mips_odk_reginfo(re, p, size);
4493                         break;
4494                 case ODK_EXCEPTIONS:
4495                         printf(" EXCEPTIONS FPU_MIN: %#x\n",
4496                             info & OEX_FPU_MIN);
4497                         printf("%11.11s FPU_MAX: %#x\n", "",
4498                             info & OEX_FPU_MAX);
4499                         dump_mips_option_flags("", mips_exceptions_option,
4500                             info);
4501                         break;
4502                 case ODK_PAD:
4503                         printf(" %-10.10s section: %ju\n", "OPAD",
4504                             (uintmax_t) sndx);
4505                         dump_mips_option_flags("", mips_pad_option, info);
4506                         break;
4507                 case ODK_HWPATCH:
4508                         dump_mips_option_flags("HWPATCH", mips_hwpatch_option,
4509                             info);
4510                         break;
4511                 case ODK_HWAND:
4512                         dump_mips_option_flags("HWAND", mips_hwa_option, info);
4513                         break;
4514                 case ODK_HWOR:
4515                         dump_mips_option_flags("HWOR", mips_hwo_option, info);
4516                         break;
4517                 case ODK_FILL:
4518                         printf(" %-10.10s %#jx\n", "FILL", (uintmax_t) info);
4519                         break;
4520                 case ODK_TAGS:
4521                         printf(" %-10.10s\n", "TAGS");
4522                         break;
4523                 case ODK_GP_GROUP:
4524                         printf(" %-10.10s GP group number: %#x\n", "GP_GROUP",
4525                             info & 0xFFFF);
4526                         if (info & 0x10000)
4527                                 printf(" %-10.10s GP group is "
4528                                     "self-contained\n", "");
4529                         break;
4530                 case ODK_IDENT:
4531                         printf(" %-10.10s default GP group number: %#x\n",
4532                             "IDENT", info & 0xFFFF);
4533                         if (info & 0x10000)
4534                                 printf(" %-10.10s default GP group is "
4535                                     "self-contained\n", "");
4536                         break;
4537                 case ODK_PAGESIZE:
4538                         printf(" %-10.10s\n", "PAGESIZE");
4539                         break;
4540                 default:
4541                         break;
4542                 }
4543                 p += size;
4544         }
4545 }
4546
4547 static void
4548 dump_mips_option_flags(const char *name, struct mips_option *opt, uint64_t info)
4549 {
4550         int first;
4551
4552         first = 1;
4553         for (; opt->desc != NULL; opt++) {
4554                 if (info & opt->flag) {
4555                         printf(" %-10.10s %s\n", first ? name : "",
4556                             opt->desc);
4557                         first = 0;
4558                 }
4559         }
4560 }
4561
4562 static void
4563 dump_mips_odk_reginfo(struct readelf *re, uint8_t *p, size_t sz)
4564 {
4565         uint32_t ri_gprmask;
4566         uint32_t ri_cprmask[4];
4567         uint64_t ri_gp_value;
4568         uint8_t *pe;
4569         int i;
4570
4571         pe = p + sz;
4572         while (p < pe) {
4573                 ri_gprmask = re->dw_decode(&p, 4);
4574                 /* Skip ri_pad padding field for mips64. */
4575                 if (re->ec == ELFCLASS64)
4576                         re->dw_decode(&p, 4);
4577                 for (i = 0; i < 4; i++)
4578                         ri_cprmask[i] = re->dw_decode(&p, 4);
4579                 if (re->ec == ELFCLASS32)
4580                         ri_gp_value = re->dw_decode(&p, 4);
4581                 else
4582                         ri_gp_value = re->dw_decode(&p, 8);
4583                 printf(" %s    ", option_kind(ODK_REGINFO));
4584                 printf("ri_gprmask:    0x%08jx\n", (uintmax_t) ri_gprmask);
4585                 for (i = 0; i < 4; i++)
4586                         printf("%11.11s ri_cprmask[%d]: 0x%08jx\n", "", i,
4587                             (uintmax_t) ri_cprmask[i]);
4588                 printf("%12.12s", "");
4589                 printf("ri_gp_value:   %#jx\n", (uintmax_t) ri_gp_value);
4590         }
4591 }
4592
4593 static void
4594 dump_arch_specific_info(struct readelf *re)
4595 {
4596
4597         dump_liblist(re);
4598         dump_attributes(re);
4599
4600         switch (re->ehdr.e_machine) {
4601         case EM_MIPS:
4602         case EM_MIPS_RS3_LE:
4603                 dump_mips_specific_info(re);
4604         default:
4605                 break;
4606         }
4607 }
4608
4609 static const char *
4610 dwarf_regname(struct readelf *re, unsigned int num)
4611 {
4612         static char rx[32];
4613         const char *rn;
4614
4615         if ((rn = dwarf_reg(re->ehdr.e_machine, num)) != NULL)
4616                 return (rn);
4617
4618         snprintf(rx, sizeof(rx), "r%u", num);
4619
4620         return (rx);
4621 }
4622
4623 static void
4624 dump_dwarf_line(struct readelf *re)
4625 {
4626         struct section *s;
4627         Dwarf_Die die;
4628         Dwarf_Error de;
4629         Dwarf_Half tag, version, pointer_size;
4630         Dwarf_Unsigned offset, endoff, length, hdrlen, dirndx, mtime, fsize;
4631         Dwarf_Small minlen, defstmt, lrange, opbase, oplen;
4632         Elf_Data *d;
4633         char *pn;
4634         uint64_t address, file, line, column, isa, opsize, udelta;
4635         int64_t sdelta;
4636         uint8_t *p, *pe;
4637         int8_t lbase;
4638         int i, is_stmt, dwarf_size, elferr, ret;
4639
4640         printf("\nDump of debug contents of section .debug_line:\n");
4641
4642         s = NULL;
4643         for (i = 0; (size_t) i < re->shnum; i++) {
4644                 s = &re->sl[i];
4645                 if (s->name != NULL && !strcmp(s->name, ".debug_line"))
4646                         break;
4647         }
4648         if ((size_t) i >= re->shnum)
4649                 return;
4650
4651         (void) elf_errno();
4652         if ((d = elf_getdata(s->scn, NULL)) == NULL) {
4653                 elferr = elf_errno();
4654                 if (elferr != 0)
4655                         warnx("elf_getdata failed: %s", elf_errmsg(-1));
4656                 return;
4657         }
4658         if (d->d_size <= 0)
4659                 return;
4660
4661         while ((ret = dwarf_next_cu_header(re->dbg, NULL, NULL, NULL, NULL,
4662             NULL, &de)) ==  DW_DLV_OK) {
4663                 die = NULL;
4664                 while (dwarf_siblingof(re->dbg, die, &die, &de) == DW_DLV_OK) {
4665                         if (dwarf_tag(die, &tag, &de) != DW_DLV_OK) {
4666                                 warnx("dwarf_tag failed: %s",
4667                                     dwarf_errmsg(de));
4668                                 return;
4669                         }
4670                         /* XXX: What about DW_TAG_partial_unit? */
4671                         if (tag == DW_TAG_compile_unit)
4672                                 break;
4673                 }
4674                 if (die == NULL) {
4675                         warnx("could not find DW_TAG_compile_unit die");
4676                         return;
4677                 }
4678                 if (dwarf_attrval_unsigned(die, DW_AT_stmt_list, &offset,
4679                     &de) != DW_DLV_OK)
4680                         continue;
4681
4682                 length = re->dw_read(d, &offset, 4);
4683                 if (length == 0xffffffff) {
4684                         dwarf_size = 8;
4685                         length = re->dw_read(d, &offset, 8);
4686                 } else
4687                         dwarf_size = 4;
4688
4689                 if (length > d->d_size - offset) {
4690                         warnx("invalid .dwarf_line section");
4691                         continue;
4692                 }
4693
4694                 endoff = offset + length;
4695                 version = re->dw_read(d, &offset, 2);
4696                 hdrlen = re->dw_read(d, &offset, dwarf_size);
4697                 minlen = re->dw_read(d, &offset, 1);
4698                 defstmt = re->dw_read(d, &offset, 1);
4699                 lbase = re->dw_read(d, &offset, 1);
4700                 lrange = re->dw_read(d, &offset, 1);
4701                 opbase = re->dw_read(d, &offset, 1);
4702
4703                 printf("\n");
4704                 printf("  Length:\t\t\t%ju\n", (uintmax_t) length);
4705                 printf("  DWARF version:\t\t%u\n", version);
4706                 printf("  Prologue Length:\t\t%ju\n", (uintmax_t) hdrlen);
4707                 printf("  Minimum Instruction Length:\t%u\n", minlen);
4708                 printf("  Initial value of 'is_stmt':\t%u\n", defstmt);
4709                 printf("  Line Base:\t\t\t%d\n", lbase);
4710                 printf("  Line Range:\t\t\t%u\n", lrange);
4711                 printf("  Opcode Base:\t\t\t%u\n", opbase);
4712                 (void) dwarf_get_address_size(re->dbg, &pointer_size, &de);
4713                 printf("  (Pointer size:\t\t%u)\n", pointer_size);
4714
4715                 printf("\n");
4716                 printf(" Opcodes:\n");
4717                 for (i = 1; i < opbase; i++) {
4718                         oplen = re->dw_read(d, &offset, 1);
4719                         printf("  Opcode %d has %u args\n", i, oplen);
4720                 }
4721
4722                 printf("\n");
4723                 printf(" The Directory Table:\n");
4724                 p = (uint8_t *) d->d_buf + offset;
4725                 while (*p != '\0') {
4726                         printf("  %s\n", (char *) p);
4727                         p += strlen((char *) p) + 1;
4728                 }
4729
4730                 p++;
4731                 printf("\n");
4732                 printf(" The File Name Table:\n");
4733                 printf("  Entry\tDir\tTime\tSize\tName\n");
4734                 i = 0;
4735                 while (*p != '\0') {
4736                         i++;
4737                         pn = (char *) p;
4738                         p += strlen(pn) + 1;
4739                         dirndx = _decode_uleb128(&p);
4740                         mtime = _decode_uleb128(&p);
4741                         fsize = _decode_uleb128(&p);
4742                         printf("  %d\t%ju\t%ju\t%ju\t%s\n", i,
4743                             (uintmax_t) dirndx, (uintmax_t) mtime,
4744                             (uintmax_t) fsize, pn);
4745                 }
4746
4747 #define RESET_REGISTERS                                         \
4748         do {                                                    \
4749                 address        = 0;                             \
4750                 file           = 1;                             \
4751                 line           = 1;                             \
4752                 column         = 0;                             \
4753                 is_stmt        = defstmt;                       \
4754         } while(0)
4755
4756 #define LINE(x) (lbase + (((x) - opbase) % lrange))
4757 #define ADDRESS(x) ((((x) - opbase) / lrange) * minlen)
4758
4759                 p++;
4760                 pe = (uint8_t *) d->d_buf + endoff;
4761                 printf("\n");
4762                 printf(" Line Number Statements:\n");
4763
4764                 RESET_REGISTERS;
4765
4766                 while (p < pe) {
4767
4768                         if (*p == 0) {
4769                                 /*
4770                                  * Extended Opcodes.
4771                                  */
4772                                 p++;
4773                                 opsize = _decode_uleb128(&p);
4774                                 printf("  Extended opcode %u: ", *p);
4775                                 switch (*p) {
4776                                 case DW_LNE_end_sequence:
4777                                         p++;
4778                                         RESET_REGISTERS;
4779                                         printf("End of Sequence\n");
4780                                         break;
4781                                 case DW_LNE_set_address:
4782                                         p++;
4783                                         address = re->dw_decode(&p,
4784                                             pointer_size);
4785                                         printf("set Address to %#jx\n",
4786                                             (uintmax_t) address);
4787                                         break;
4788                                 case DW_LNE_define_file:
4789                                         p++;
4790                                         pn = (char *) p;
4791                                         p += strlen(pn) + 1;
4792                                         dirndx = _decode_uleb128(&p);
4793                                         mtime = _decode_uleb128(&p);
4794                                         fsize = _decode_uleb128(&p);
4795                                         printf("define new file: %s\n", pn);
4796                                         break;
4797                                 default:
4798                                         /* Unrecognized extened opcodes. */
4799                                         p += opsize;
4800                                         printf("unknown opcode\n");
4801                                 }
4802                         } else if (*p > 0 && *p < opbase) {
4803                                 /*
4804                                  * Standard Opcodes.
4805                                  */
4806                                 switch(*p++) {
4807                                 case DW_LNS_copy:
4808                                         printf("  Copy\n");
4809                                         break;
4810                                 case DW_LNS_advance_pc:
4811                                         udelta = _decode_uleb128(&p) *
4812                                             minlen;
4813                                         address += udelta;
4814                                         printf("  Advance PC by %ju to %#jx\n",
4815                                             (uintmax_t) udelta,
4816                                             (uintmax_t) address);
4817                                         break;
4818                                 case DW_LNS_advance_line:
4819                                         sdelta = _decode_sleb128(&p);
4820                                         line += sdelta;
4821                                         printf("  Advance Line by %jd to %ju\n",
4822                                             (intmax_t) sdelta,
4823                                             (uintmax_t) line);
4824                                         break;
4825                                 case DW_LNS_set_file:
4826                                         file = _decode_uleb128(&p);
4827                                         printf("  Set File to %ju\n",
4828                                             (uintmax_t) file);
4829                                         break;
4830                                 case DW_LNS_set_column:
4831                                         column = _decode_uleb128(&p);
4832                                         printf("  Set Column to %ju\n",
4833                                             (uintmax_t) column);
4834                                         break;
4835                                 case DW_LNS_negate_stmt:
4836                                         is_stmt = !is_stmt;
4837                                         printf("  Set is_stmt to %d\n", is_stmt);
4838                                         break;
4839                                 case DW_LNS_set_basic_block:
4840                                         printf("  Set basic block flag\n");
4841                                         break;
4842                                 case DW_LNS_const_add_pc:
4843                                         address += ADDRESS(255);
4844                                         printf("  Advance PC by constant %ju"
4845                                             " to %#jx\n",
4846                                             (uintmax_t) ADDRESS(255),
4847                                             (uintmax_t) address);
4848                                         break;
4849                                 case DW_LNS_fixed_advance_pc:
4850                                         udelta = re->dw_decode(&p, 2);
4851                                         address += udelta;
4852                                         printf("  Advance PC by fixed value "
4853                                             "%ju to %#jx\n",
4854                                             (uintmax_t) udelta,
4855                                             (uintmax_t) address);
4856                                         break;
4857                                 case DW_LNS_set_prologue_end:
4858                                         printf("  Set prologue end flag\n");
4859                                         break;
4860                                 case DW_LNS_set_epilogue_begin:
4861                                         printf("  Set epilogue begin flag\n");
4862                                         break;
4863                                 case DW_LNS_set_isa:
4864                                         isa = _decode_uleb128(&p);
4865                                         printf("  Set isa to %ju\n", isa);
4866                                         break;
4867                                 default:
4868                                         /* Unrecognized extended opcodes. */
4869                                         printf("  Unknown extended opcode %u\n",
4870                                             *(p - 1));
4871                                         break;
4872                                 }
4873
4874                         } else {
4875                                 /*
4876                                  * Special Opcodes.
4877                                  */
4878                                 line += LINE(*p);
4879                                 address += ADDRESS(*p);
4880                                 printf("  Special opcode %u: advance Address "
4881                                     "by %ju to %#jx and Line by %jd to %ju\n",
4882                                     *p - opbase, (uintmax_t) ADDRESS(*p),
4883                                     (uintmax_t) address, (intmax_t) LINE(*p),
4884                                     (uintmax_t) line);
4885                                 p++;
4886                         }
4887
4888
4889                 }
4890         }
4891         if (ret == DW_DLV_ERROR)
4892                 warnx("dwarf_next_cu_header: %s", dwarf_errmsg(de));
4893
4894 #undef  RESET_REGISTERS
4895 #undef  LINE
4896 #undef  ADDRESS
4897 }
4898
4899 static void
4900 dump_dwarf_line_decoded(struct readelf *re)
4901 {
4902         Dwarf_Die die;
4903         Dwarf_Line *linebuf, ln;
4904         Dwarf_Addr lineaddr;
4905         Dwarf_Signed linecount, srccount;
4906         Dwarf_Unsigned lineno, fn;
4907         Dwarf_Error de;
4908         const char *dir, *file;
4909         char **srcfiles;
4910         int i, ret;
4911
4912         printf("Decoded dump of debug contents of section .debug_line:\n\n");
4913         while ((ret = dwarf_next_cu_header(re->dbg, NULL, NULL, NULL, NULL,
4914             NULL, &de)) == DW_DLV_OK) {
4915                 if (dwarf_siblingof(re->dbg, NULL, &die, &de) != DW_DLV_OK)
4916                         continue;
4917                 if (dwarf_attrval_string(die, DW_AT_name, &file, &de) !=
4918                     DW_DLV_OK)
4919                         file = NULL;
4920                 if (dwarf_attrval_string(die, DW_AT_comp_dir, &dir, &de) !=
4921                     DW_DLV_OK)
4922                         dir = NULL;
4923                 printf("CU: ");
4924                 if (dir && file)
4925                         printf("%s/", dir);
4926                 if (file)
4927                         printf("%s", file);
4928                 putchar('\n');
4929                 printf("%-37s %11s   %s\n", "Filename", "Line Number",
4930                     "Starting Address");
4931                 if (dwarf_srclines(die, &linebuf, &linecount, &de) != DW_DLV_OK)
4932                         continue;
4933                 if (dwarf_srcfiles(die, &srcfiles, &srccount, &de) != DW_DLV_OK)
4934                         continue;
4935                 for (i = 0; i < linecount; i++) {
4936                         ln = linebuf[i];
4937                         if (dwarf_line_srcfileno(ln, &fn, &de) != DW_DLV_OK)
4938                                 continue;
4939                         if (dwarf_lineno(ln, &lineno, &de) != DW_DLV_OK)
4940                                 continue;
4941                         if (dwarf_lineaddr(ln, &lineaddr, &de) != DW_DLV_OK)
4942                                 continue;
4943                         printf("%-37s %11ju %#18jx\n",
4944                             basename(srcfiles[fn - 1]), (uintmax_t) lineno,
4945                             (uintmax_t) lineaddr);
4946                 }
4947                 putchar('\n');
4948         }
4949 }
4950
4951 static void
4952 dump_dwarf_die(struct readelf *re, Dwarf_Die die, int level)
4953 {
4954         Dwarf_Attribute *attr_list;
4955         Dwarf_Die ret_die;
4956         Dwarf_Off dieoff, cuoff, culen, attroff;
4957         Dwarf_Unsigned ate, lang, v_udata, v_sig;
4958         Dwarf_Signed attr_count, v_sdata;
4959         Dwarf_Off v_off;
4960         Dwarf_Addr v_addr;
4961         Dwarf_Half tag, attr, form;
4962         Dwarf_Block *v_block;
4963         Dwarf_Bool v_bool, is_info;
4964         Dwarf_Sig8 v_sig8;
4965         Dwarf_Error de;
4966         Dwarf_Ptr v_expr;
4967         const char *tag_str, *attr_str, *ate_str, *lang_str;
4968         char unk_tag[32], unk_attr[32];
4969         char *v_str;
4970         uint8_t *b, *p;
4971         int i, j, abc, ret;
4972
4973         if (dwarf_dieoffset(die, &dieoff, &de) != DW_DLV_OK) {
4974                 warnx("dwarf_dieoffset failed: %s", dwarf_errmsg(de));
4975                 goto cont_search;
4976         }
4977
4978         printf(" <%d><%jx>: ", level, (uintmax_t) dieoff);
4979
4980         if (dwarf_die_CU_offset_range(die, &cuoff, &culen, &de) != DW_DLV_OK) {
4981                 warnx("dwarf_die_CU_offset_range failed: %s",
4982                       dwarf_errmsg(de));
4983                 cuoff = 0;
4984         }
4985
4986         abc = dwarf_die_abbrev_code(die);
4987         if (dwarf_tag(die, &tag, &de) != DW_DLV_OK) {
4988                 warnx("dwarf_tag failed: %s", dwarf_errmsg(de));
4989                 goto cont_search;
4990         }
4991         if (dwarf_get_TAG_name(tag, &tag_str) != DW_DLV_OK) {
4992                 snprintf(unk_tag, sizeof(unk_tag), "[Unknown Tag: %#x]", tag);
4993                 tag_str = unk_tag;
4994         }
4995
4996         printf("Abbrev Number: %d (%s)\n", abc, tag_str);
4997
4998         if ((ret = dwarf_attrlist(die, &attr_list, &attr_count, &de)) !=
4999             DW_DLV_OK) {
5000                 if (ret == DW_DLV_ERROR)
5001                         warnx("dwarf_attrlist failed: %s", dwarf_errmsg(de));
5002                 goto cont_search;
5003         }
5004
5005         for (i = 0; i < attr_count; i++) {
5006                 if (dwarf_whatform(attr_list[i], &form, &de) != DW_DLV_OK) {
5007                         warnx("dwarf_whatform failed: %s", dwarf_errmsg(de));
5008                         continue;
5009                 }
5010                 if (dwarf_whatattr(attr_list[i], &attr, &de) != DW_DLV_OK) {
5011                         warnx("dwarf_whatattr failed: %s", dwarf_errmsg(de));
5012                         continue;
5013                 }
5014                 if (dwarf_get_AT_name(attr, &attr_str) != DW_DLV_OK) {
5015                         snprintf(unk_attr, sizeof(unk_attr),
5016                             "[Unknown AT: %#x]", attr);
5017                         attr_str = unk_attr;
5018                 }
5019                 if (dwarf_attroffset(attr_list[i], &attroff, &de) !=
5020                     DW_DLV_OK) {
5021                         warnx("dwarf_attroffset failed: %s", dwarf_errmsg(de));
5022                         attroff = 0;
5023                 }
5024                 printf("    <%jx>   %-18s: ", (uintmax_t) attroff, attr_str);
5025                 switch (form) {
5026                 case DW_FORM_ref_addr:
5027                 case DW_FORM_sec_offset:
5028                         if (dwarf_global_formref(attr_list[i], &v_off, &de) !=
5029                             DW_DLV_OK) {
5030                                 warnx("dwarf_global_formref failed: %s",
5031                                     dwarf_errmsg(de));
5032                                 continue;
5033                         }
5034                         if (form == DW_FORM_ref_addr)
5035                                 printf("<0x%jx>", (uintmax_t) v_off);
5036                         else
5037                                 printf("0x%jx", (uintmax_t) v_off);
5038                         break;
5039
5040                 case DW_FORM_ref1:
5041                 case DW_FORM_ref2:
5042                 case DW_FORM_ref4:
5043                 case DW_FORM_ref8:
5044                 case DW_FORM_ref_udata:
5045                         if (dwarf_formref(attr_list[i], &v_off, &de) !=
5046                             DW_DLV_OK) {
5047                                 warnx("dwarf_formref failed: %s",
5048                                     dwarf_errmsg(de));
5049                                 continue;
5050                         }
5051                         v_off += cuoff;
5052                         printf("<0x%jx>", (uintmax_t) v_off);
5053                         break;
5054
5055                 case DW_FORM_addr:
5056                         if (dwarf_formaddr(attr_list[i], &v_addr, &de) !=
5057                             DW_DLV_OK) {
5058                                 warnx("dwarf_formaddr failed: %s",
5059                                     dwarf_errmsg(de));
5060                                 continue;
5061                         }
5062                         printf("%#jx", (uintmax_t) v_addr);
5063                         break;
5064
5065                 case DW_FORM_data1:
5066                 case DW_FORM_data2:
5067                 case DW_FORM_data4:
5068                 case DW_FORM_data8:
5069                 case DW_FORM_udata:
5070                         if (dwarf_formudata(attr_list[i], &v_udata, &de) !=
5071                             DW_DLV_OK) {
5072                                 warnx("dwarf_formudata failed: %s",
5073                                     dwarf_errmsg(de));
5074                                 continue;
5075                         }
5076                         if (attr == DW_AT_high_pc)
5077                                 printf("0x%jx", (uintmax_t) v_udata);
5078                         else
5079                                 printf("%ju", (uintmax_t) v_udata);
5080                         break;
5081
5082                 case DW_FORM_sdata:
5083                         if (dwarf_formsdata(attr_list[i], &v_sdata, &de) !=
5084                             DW_DLV_OK) {
5085                                 warnx("dwarf_formudata failed: %s",
5086                                     dwarf_errmsg(de));
5087                                 continue;
5088                         }
5089                         printf("%jd", (intmax_t) v_sdata);
5090                         break;
5091
5092                 case DW_FORM_flag:
5093                         if (dwarf_formflag(attr_list[i], &v_bool, &de) !=
5094                             DW_DLV_OK) {
5095                                 warnx("dwarf_formflag failed: %s",
5096                                     dwarf_errmsg(de));
5097                                 continue;
5098                         }
5099                         printf("%jd", (intmax_t) v_bool);
5100                         break;
5101
5102                 case DW_FORM_flag_present:
5103                         putchar('1');
5104                         break;
5105
5106                 case DW_FORM_string:
5107                 case DW_FORM_strp:
5108                         if (dwarf_formstring(attr_list[i], &v_str, &de) !=
5109                             DW_DLV_OK) {
5110                                 warnx("dwarf_formstring failed: %s",
5111                                     dwarf_errmsg(de));
5112                                 continue;
5113                         }
5114                         if (form == DW_FORM_string)
5115                                 printf("%s", v_str);
5116                         else
5117                                 printf("(indirect string) %s", v_str);
5118                         break;
5119
5120                 case DW_FORM_block:
5121                 case DW_FORM_block1:
5122                 case DW_FORM_block2:
5123                 case DW_FORM_block4:
5124                         if (dwarf_formblock(attr_list[i], &v_block, &de) !=
5125                             DW_DLV_OK) {
5126                                 warnx("dwarf_formblock failed: %s",
5127                                     dwarf_errmsg(de));
5128                                 continue;
5129                         }
5130                         printf("%ju byte block:", (uintmax_t) v_block->bl_len);
5131                         b = v_block->bl_data;
5132                         for (j = 0; (Dwarf_Unsigned) j < v_block->bl_len; j++)
5133                                 printf(" %x", b[j]);
5134                         printf("\t(");
5135                         dump_dwarf_block(re, v_block->bl_data, v_block->bl_len);
5136                         putchar(')');
5137                         break;
5138
5139                 case DW_FORM_exprloc:
5140                         if (dwarf_formexprloc(attr_list[i], &v_udata, &v_expr,
5141                             &de) != DW_DLV_OK) {
5142                                 warnx("dwarf_formexprloc failed: %s",
5143                                     dwarf_errmsg(de));
5144                                 continue;
5145                         }
5146                         printf("%ju byte block:", (uintmax_t) v_udata);
5147                         b = v_expr;
5148                         for (j = 0; (Dwarf_Unsigned) j < v_udata; j++)
5149                                 printf(" %x", b[j]);
5150                         printf("\t(");
5151                         dump_dwarf_block(re, v_expr, v_udata);
5152                         putchar(')');
5153                         break;
5154
5155                 case DW_FORM_ref_sig8:
5156                         if (dwarf_formsig8(attr_list[i], &v_sig8, &de) !=
5157                             DW_DLV_OK) {
5158                                 warnx("dwarf_formsig8 failed: %s",
5159                                     dwarf_errmsg(de));
5160                                 continue;
5161                         }
5162                         p = (uint8_t *)(uintptr_t) &v_sig8.signature[0];
5163                         v_sig = re->dw_decode(&p, 8);
5164                         printf("signature: 0x%jx", (uintmax_t) v_sig);
5165                 }
5166                 switch (attr) {
5167                 case DW_AT_encoding:
5168                         if (dwarf_attrval_unsigned(die, attr, &ate, &de) !=
5169                             DW_DLV_OK)
5170                                 break;
5171                         if (dwarf_get_ATE_name(ate, &ate_str) != DW_DLV_OK)
5172                                 ate_str = "DW_ATE_UNKNOWN";
5173                         printf("\t(%s)", &ate_str[strlen("DW_ATE_")]);
5174                         break;
5175
5176                 case DW_AT_language:
5177                         if (dwarf_attrval_unsigned(die, attr, &lang, &de) !=
5178                             DW_DLV_OK)
5179                                 break;
5180                         if (dwarf_get_LANG_name(lang, &lang_str) != DW_DLV_OK)
5181                                 break;
5182                         printf("\t(%s)", &lang_str[strlen("DW_LANG_")]);
5183                         break;
5184
5185                 case DW_AT_location:
5186                 case DW_AT_string_length:
5187                 case DW_AT_return_addr:
5188                 case DW_AT_data_member_location:
5189                 case DW_AT_frame_base:
5190                 case DW_AT_segment:
5191                 case DW_AT_static_link:
5192                 case DW_AT_use_location:
5193                 case DW_AT_vtable_elem_location:
5194                         switch (form) {
5195                         case DW_FORM_data4:
5196                         case DW_FORM_data8:
5197                         case DW_FORM_sec_offset:
5198                                 printf("\t(location list)");
5199                                 break;
5200                         default:
5201                                 break;
5202                         }
5203
5204                 default:
5205                         break;
5206                 }
5207                 putchar('\n');
5208         }
5209
5210
5211 cont_search:
5212         /* Search children. */
5213         ret = dwarf_child(die, &ret_die, &de);
5214         if (ret == DW_DLV_ERROR)
5215                 warnx("dwarf_child: %s", dwarf_errmsg(de));
5216         else if (ret == DW_DLV_OK)
5217                 dump_dwarf_die(re, ret_die, level + 1);
5218
5219         /* Search sibling. */
5220         is_info = dwarf_get_die_infotypes_flag(die);
5221         ret = dwarf_siblingof_b(re->dbg, die, &ret_die, is_info, &de);
5222         if (ret == DW_DLV_ERROR)
5223                 warnx("dwarf_siblingof: %s", dwarf_errmsg(de));
5224         else if (ret == DW_DLV_OK)
5225                 dump_dwarf_die(re, ret_die, level);
5226
5227         dwarf_dealloc(re->dbg, die, DW_DLA_DIE);
5228 }
5229
5230 static void
5231 set_cu_context(struct readelf *re, Dwarf_Half psize, Dwarf_Half osize,
5232     Dwarf_Half ver)
5233 {
5234
5235         re->cu_psize = psize;
5236         re->cu_osize = osize;
5237         re->cu_ver = ver;
5238 }
5239
5240 static void
5241 dump_dwarf_info(struct readelf *re, Dwarf_Bool is_info)
5242 {
5243         struct section *s;
5244         Dwarf_Die die;
5245         Dwarf_Error de;
5246         Dwarf_Half tag, version, pointer_size, off_size;
5247         Dwarf_Off cu_offset, cu_length;
5248         Dwarf_Off aboff;
5249         Dwarf_Unsigned typeoff;
5250         Dwarf_Sig8 sig8;
5251         Dwarf_Unsigned sig;
5252         uint8_t *p;
5253         const char *sn;
5254         int i, ret;
5255
5256         sn = is_info ? ".debug_info" : ".debug_types";
5257
5258         s = NULL;
5259         for (i = 0; (size_t) i < re->shnum; i++) {
5260                 s = &re->sl[i];
5261                 if (s->name != NULL && !strcmp(s->name, sn))
5262                         break;
5263         }
5264         if ((size_t) i >= re->shnum)
5265                 return;
5266
5267         do {
5268                 printf("\nDump of debug contents of section %s:\n", sn);
5269
5270                 while ((ret = dwarf_next_cu_header_c(re->dbg, is_info, NULL,
5271                     &version, &aboff, &pointer_size, &off_size, NULL, &sig8,
5272                     &typeoff, NULL, &de)) == DW_DLV_OK) {
5273                         set_cu_context(re, pointer_size, off_size, version);
5274                         die = NULL;
5275                         while (dwarf_siblingof_b(re->dbg, die, &die, is_info,
5276                             &de) == DW_DLV_OK) {
5277                                 if (dwarf_tag(die, &tag, &de) != DW_DLV_OK) {
5278                                         warnx("dwarf_tag failed: %s",
5279                                             dwarf_errmsg(de));
5280                                         continue;
5281                                 }
5282                                 /* XXX: What about DW_TAG_partial_unit? */
5283                                 if ((is_info && tag == DW_TAG_compile_unit) ||
5284                                     (!is_info && tag == DW_TAG_type_unit))
5285                                         break;
5286                         }
5287                         if (die == NULL && is_info) {
5288                                 warnx("could not find DW_TAG_compile_unit "
5289                                     "die");
5290                                 continue;
5291                         } else if (die == NULL && !is_info) {
5292                                 warnx("could not find DW_TAG_type_unit die");
5293                                 continue;
5294                         }
5295
5296                         if (dwarf_die_CU_offset_range(die, &cu_offset,
5297                             &cu_length, &de) != DW_DLV_OK) {
5298                                 warnx("dwarf_die_CU_offset failed: %s",
5299                                     dwarf_errmsg(de));
5300                                 continue;
5301                         }
5302
5303                         cu_length -= off_size == 4 ? 4 : 12;
5304
5305                         sig = 0;
5306                         if (!is_info) {
5307                                 p = (uint8_t *)(uintptr_t) &sig8.signature[0];
5308                                 sig = re->dw_decode(&p, 8);
5309                         }
5310
5311                         printf("\n  Type Unit @ offset 0x%jx:\n",
5312                             (uintmax_t) cu_offset);
5313                         printf("    Length:\t\t%#jx (%d-bit)\n",
5314                             (uintmax_t) cu_length, off_size == 4 ? 32 : 64);
5315                         printf("    Version:\t\t%u\n", version);
5316                         printf("    Abbrev Offset:\t0x%jx\n",
5317                             (uintmax_t) aboff);
5318                         printf("    Pointer Size:\t%u\n", pointer_size);
5319                         if (!is_info) {
5320                                 printf("    Signature:\t\t0x%016jx\n",
5321                                     (uintmax_t) sig);
5322                                 printf("    Type Offset:\t0x%jx\n",
5323                                     (uintmax_t) typeoff);
5324                         }
5325
5326                         dump_dwarf_die(re, die, 0);
5327                 }
5328                 if (ret == DW_DLV_ERROR)
5329                         warnx("dwarf_next_cu_header: %s", dwarf_errmsg(de));
5330                 if (is_info)
5331                         break;
5332         } while (dwarf_next_types_section(re->dbg, &de) == DW_DLV_OK);
5333 }
5334
5335 static void
5336 dump_dwarf_abbrev(struct readelf *re)
5337 {
5338         Dwarf_Abbrev ab;
5339         Dwarf_Off aboff, atoff;
5340         Dwarf_Unsigned length, attr_count;
5341         Dwarf_Signed flag, form;
5342         Dwarf_Half tag, attr;
5343         Dwarf_Error de;
5344         const char *tag_str, *attr_str, *form_str;
5345         char unk_tag[32], unk_attr[32], unk_form[32];
5346         int i, j, ret;
5347
5348         printf("\nContents of section .debug_abbrev:\n\n");
5349
5350         while ((ret = dwarf_next_cu_header(re->dbg, NULL, NULL, &aboff,
5351             NULL, NULL, &de)) ==  DW_DLV_OK) {
5352                 printf("  Number TAG\n");
5353                 i = 0;
5354                 while ((ret = dwarf_get_abbrev(re->dbg, aboff, &ab, &length,
5355                     &attr_count, &de)) == DW_DLV_OK) {
5356                         if (length == 1) {
5357                                 dwarf_dealloc(re->dbg, ab, DW_DLA_ABBREV);
5358                                 break;
5359                         }
5360                         aboff += length;
5361                         printf("%4d", ++i);
5362                         if (dwarf_get_abbrev_tag(ab, &tag, &de) != DW_DLV_OK) {
5363                                 warnx("dwarf_get_abbrev_tag failed: %s",
5364                                     dwarf_errmsg(de));
5365                                 goto next_abbrev;
5366                         }
5367                         if (dwarf_get_TAG_name(tag, &tag_str) != DW_DLV_OK) {
5368                                 snprintf(unk_tag, sizeof(unk_tag),
5369                                     "[Unknown Tag: %#x]", tag);
5370                                 tag_str = unk_tag;
5371                         }
5372                         if (dwarf_get_abbrev_children_flag(ab, &flag, &de) !=
5373                             DW_DLV_OK) {
5374                                 warnx("dwarf_get_abbrev_children_flag failed:"
5375                                     " %s", dwarf_errmsg(de));
5376                                 goto next_abbrev;
5377                         }
5378                         printf("      %s    %s\n", tag_str,
5379                             flag ? "[has children]" : "[no children]");
5380                         for (j = 0; (Dwarf_Unsigned) j < attr_count; j++) {
5381                                 if (dwarf_get_abbrev_entry(ab, (Dwarf_Signed) j,
5382                                     &attr, &form, &atoff, &de) != DW_DLV_OK) {
5383                                         warnx("dwarf_get_abbrev_entry failed:"
5384                                             " %s", dwarf_errmsg(de));
5385                                         continue;
5386                                 }
5387                                 if (dwarf_get_AT_name(attr, &attr_str) !=
5388                                     DW_DLV_OK) {
5389                                         snprintf(unk_attr, sizeof(unk_attr),
5390                                             "[Unknown AT: %#x]", attr);
5391                                         attr_str = unk_attr;
5392                                 }
5393                                 if (dwarf_get_FORM_name(form, &form_str) !=
5394                                     DW_DLV_OK) {
5395                                         snprintf(unk_form, sizeof(unk_form),
5396                                             "[Unknown Form: %#x]",
5397                                             (Dwarf_Half) form);
5398                                         form_str = unk_form;
5399                                 }
5400                                 printf("    %-18s %s\n", attr_str, form_str);
5401                         }
5402                 next_abbrev:
5403                         dwarf_dealloc(re->dbg, ab, DW_DLA_ABBREV);
5404                 }
5405                 if (ret != DW_DLV_OK)
5406                         warnx("dwarf_get_abbrev: %s", dwarf_errmsg(de));
5407         }
5408         if (ret == DW_DLV_ERROR)
5409                 warnx("dwarf_next_cu_header: %s", dwarf_errmsg(de));
5410 }
5411
5412 static void
5413 dump_dwarf_pubnames(struct readelf *re)
5414 {
5415         struct section *s;
5416         Dwarf_Off die_off;
5417         Dwarf_Unsigned offset, length, nt_cu_offset, nt_cu_length;
5418         Dwarf_Signed cnt;
5419         Dwarf_Global *globs;
5420         Dwarf_Half nt_version;
5421         Dwarf_Error de;
5422         Elf_Data *d;
5423         char *glob_name;
5424         int i, dwarf_size, elferr;
5425
5426         printf("\nContents of the .debug_pubnames section:\n");
5427
5428         s = NULL;
5429         for (i = 0; (size_t) i < re->shnum; i++) {
5430                 s = &re->sl[i];
5431                 if (s->name != NULL && !strcmp(s->name, ".debug_pubnames"))
5432                         break;
5433         }
5434         if ((size_t) i >= re->shnum)
5435                 return;
5436
5437         (void) elf_errno();
5438         if ((d = elf_getdata(s->scn, NULL)) == NULL) {
5439                 elferr = elf_errno();
5440                 if (elferr != 0)
5441                         warnx("elf_getdata failed: %s", elf_errmsg(-1));
5442                 return;
5443         }
5444         if (d->d_size <= 0)
5445                 return;
5446
5447         /* Read in .debug_pubnames section table header. */
5448         offset = 0;
5449         length = re->dw_read(d, &offset, 4);
5450         if (length == 0xffffffff) {
5451                 dwarf_size = 8;
5452                 length = re->dw_read(d, &offset, 8);
5453         } else
5454                 dwarf_size = 4;
5455
5456         if (length > d->d_size - offset) {
5457                 warnx("invalid .dwarf_pubnames section");
5458                 return;
5459         }
5460
5461         nt_version = re->dw_read(d, &offset, 2);
5462         nt_cu_offset = re->dw_read(d, &offset, dwarf_size);
5463         nt_cu_length = re->dw_read(d, &offset, dwarf_size);
5464         printf("  Length:\t\t\t\t%ju\n", (uintmax_t) length);
5465         printf("  Version:\t\t\t\t%u\n", nt_version);
5466         printf("  Offset into .debug_info section:\t%ju\n",
5467             (uintmax_t) nt_cu_offset);
5468         printf("  Size of area in .debug_info section:\t%ju\n",
5469             (uintmax_t) nt_cu_length);
5470
5471         if (dwarf_get_globals(re->dbg, &globs, &cnt, &de) != DW_DLV_OK) {
5472                 warnx("dwarf_get_globals failed: %s", dwarf_errmsg(de));
5473                 return;
5474         }
5475
5476         printf("\n    Offset      Name\n");
5477         for (i = 0; i < cnt; i++) {
5478                 if (dwarf_globname(globs[i], &glob_name, &de) != DW_DLV_OK) {
5479                         warnx("dwarf_globname failed: %s", dwarf_errmsg(de));
5480                         continue;
5481                 }
5482                 if (dwarf_global_die_offset(globs[i], &die_off, &de) !=
5483                     DW_DLV_OK) {
5484                         warnx("dwarf_global_die_offset failed: %s",
5485                             dwarf_errmsg(de));
5486                         continue;
5487                 }
5488                 printf("    %-11ju %s\n", (uintmax_t) die_off, glob_name);
5489         }
5490 }
5491
5492 static void
5493 dump_dwarf_aranges(struct readelf *re)
5494 {
5495         struct section *s;
5496         Dwarf_Arange *aranges;
5497         Dwarf_Addr start;
5498         Dwarf_Unsigned offset, length, as_cu_offset;
5499         Dwarf_Off die_off;
5500         Dwarf_Signed cnt;
5501         Dwarf_Half as_version, as_addrsz, as_segsz;
5502         Dwarf_Error de;
5503         Elf_Data *d;
5504         int i, dwarf_size, elferr;
5505
5506         printf("\nContents of section .debug_aranges:\n");
5507
5508         s = NULL;
5509         for (i = 0; (size_t) i < re->shnum; i++) {
5510                 s = &re->sl[i];
5511                 if (s->name != NULL && !strcmp(s->name, ".debug_aranges"))
5512                         break;
5513         }
5514         if ((size_t) i >= re->shnum)
5515                 return;
5516
5517         (void) elf_errno();
5518         if ((d = elf_getdata(s->scn, NULL)) == NULL) {
5519                 elferr = elf_errno();
5520                 if (elferr != 0)
5521                         warnx("elf_getdata failed: %s", elf_errmsg(-1));
5522                 return;
5523         }
5524         if (d->d_size <= 0)
5525                 return;
5526
5527         /* Read in the .debug_aranges section table header. */
5528         offset = 0;
5529         length = re->dw_read(d, &offset, 4);
5530         if (length == 0xffffffff) {
5531                 dwarf_size = 8;
5532                 length = re->dw_read(d, &offset, 8);
5533         } else
5534                 dwarf_size = 4;
5535
5536         if (length > d->d_size - offset) {
5537                 warnx("invalid .dwarf_aranges section");
5538                 return;
5539         }
5540
5541         as_version = re->dw_read(d, &offset, 2);
5542         as_cu_offset = re->dw_read(d, &offset, dwarf_size);
5543         as_addrsz = re->dw_read(d, &offset, 1);
5544         as_segsz = re->dw_read(d, &offset, 1);
5545
5546         printf("  Length:\t\t\t%ju\n", (uintmax_t) length);
5547         printf("  Version:\t\t\t%u\n", as_version);
5548         printf("  Offset into .debug_info:\t%ju\n", (uintmax_t) as_cu_offset);
5549         printf("  Pointer Size:\t\t\t%u\n", as_addrsz);
5550         printf("  Segment Size:\t\t\t%u\n", as_segsz);
5551
5552         if (dwarf_get_aranges(re->dbg, &aranges, &cnt, &de) != DW_DLV_OK) {
5553                 warnx("dwarf_get_aranges failed: %s", dwarf_errmsg(de));
5554                 return;
5555         }
5556
5557         printf("\n    Address  Length\n");
5558         for (i = 0; i < cnt; i++) {
5559                 if (dwarf_get_arange_info(aranges[i], &start, &length,
5560                     &die_off, &de) != DW_DLV_OK) {
5561                         warnx("dwarf_get_arange_info failed: %s",
5562                             dwarf_errmsg(de));
5563                         continue;
5564                 }
5565                 printf("    %08jx %ju\n", (uintmax_t) start,
5566                     (uintmax_t) length);
5567         }
5568 }
5569
5570 static void
5571 dump_dwarf_ranges_foreach(struct readelf *re, Dwarf_Die die, Dwarf_Addr base)
5572 {
5573         Dwarf_Attribute *attr_list;
5574         Dwarf_Ranges *ranges;
5575         Dwarf_Die ret_die;
5576         Dwarf_Error de;
5577         Dwarf_Addr base0;
5578         Dwarf_Half attr;
5579         Dwarf_Signed attr_count, cnt;
5580         Dwarf_Unsigned off, bytecnt;
5581         int i, j, ret;
5582
5583         if ((ret = dwarf_attrlist(die, &attr_list, &attr_count, &de)) !=
5584             DW_DLV_OK) {
5585                 if (ret == DW_DLV_ERROR)
5586                         warnx("dwarf_attrlist failed: %s", dwarf_errmsg(de));
5587                 goto cont_search;
5588         }
5589
5590         for (i = 0; i < attr_count; i++) {
5591                 if (dwarf_whatattr(attr_list[i], &attr, &de) != DW_DLV_OK) {
5592                         warnx("dwarf_whatattr failed: %s", dwarf_errmsg(de));
5593                         continue;
5594                 }
5595                 if (attr != DW_AT_ranges)
5596                         continue;
5597                 if (dwarf_formudata(attr_list[i], &off, &de) != DW_DLV_OK) {
5598                         warnx("dwarf_formudata failed: %s", dwarf_errmsg(de));
5599                         continue;
5600                 }
5601                 if (dwarf_get_ranges(re->dbg, (Dwarf_Off) off, &ranges, &cnt,
5602                     &bytecnt, &de) != DW_DLV_OK)
5603                         continue;
5604                 base0 = base;
5605                 for (j = 0; j < cnt; j++) {
5606                         printf("    %08jx ", (uintmax_t) off);
5607                         if (ranges[j].dwr_type == DW_RANGES_END) {
5608                                 printf("%s\n", "<End of list>");
5609                                 continue;
5610                         } else if (ranges[j].dwr_type ==
5611                             DW_RANGES_ADDRESS_SELECTION) {
5612                                 base0 = ranges[j].dwr_addr2;
5613                                 continue;
5614                         }
5615                         if (re->ec == ELFCLASS32)
5616                                 printf("%08jx %08jx\n",
5617                                     ranges[j].dwr_addr1 + base0,
5618                                     ranges[j].dwr_addr2 + base0);
5619                         else
5620                                 printf("%016jx %016jx\n",
5621                                     ranges[j].dwr_addr1 + base0,
5622                                     ranges[j].dwr_addr2 + base0);
5623                 }
5624         }
5625
5626 cont_search:
5627         /* Search children. */
5628         ret = dwarf_child(die, &ret_die, &de);
5629         if (ret == DW_DLV_ERROR)
5630                 warnx("dwarf_child: %s", dwarf_errmsg(de));
5631         else if (ret == DW_DLV_OK)
5632                 dump_dwarf_ranges_foreach(re, ret_die, base);
5633
5634         /* Search sibling. */
5635         ret = dwarf_siblingof(re->dbg, die, &ret_die, &de);
5636         if (ret == DW_DLV_ERROR)
5637                 warnx("dwarf_siblingof: %s", dwarf_errmsg(de));
5638         else if (ret == DW_DLV_OK)
5639                 dump_dwarf_ranges_foreach(re, ret_die, base);
5640 }
5641
5642 static void
5643 dump_dwarf_ranges(struct readelf *re)
5644 {
5645         Dwarf_Ranges *ranges;
5646         Dwarf_Die die;
5647         Dwarf_Signed cnt;
5648         Dwarf_Unsigned bytecnt;
5649         Dwarf_Half tag;
5650         Dwarf_Error de;
5651         Dwarf_Unsigned lowpc;
5652         int ret;
5653
5654         if (dwarf_get_ranges(re->dbg, 0, &ranges, &cnt, &bytecnt, &de) !=
5655             DW_DLV_OK)
5656                 return;
5657
5658         printf("Contents of the .debug_ranges section:\n\n");
5659         if (re->ec == ELFCLASS32)
5660                 printf("    %-8s %-8s %s\n", "Offset", "Begin", "End");
5661         else
5662                 printf("    %-8s %-16s %s\n", "Offset", "Begin", "End");
5663
5664         while ((ret = dwarf_next_cu_header(re->dbg, NULL, NULL, NULL, NULL,
5665             NULL, &de)) == DW_DLV_OK) {
5666                 die = NULL;
5667                 if (dwarf_siblingof(re->dbg, die, &die, &de) != DW_DLV_OK)
5668                         continue;
5669                 if (dwarf_tag(die, &tag, &de) != DW_DLV_OK) {
5670                         warnx("dwarf_tag failed: %s", dwarf_errmsg(de));
5671                         continue;
5672                 }
5673                 /* XXX: What about DW_TAG_partial_unit? */
5674                 lowpc = 0;
5675                 if (tag == DW_TAG_compile_unit) {
5676                         if (dwarf_attrval_unsigned(die, DW_AT_low_pc, &lowpc,
5677                             &de) != DW_DLV_OK)
5678                                 lowpc = 0;
5679                 }
5680
5681                 dump_dwarf_ranges_foreach(re, die, (Dwarf_Addr) lowpc);
5682         }
5683         putchar('\n');
5684 }
5685
5686 static void
5687 dump_dwarf_macinfo(struct readelf *re)
5688 {
5689         Dwarf_Unsigned offset;
5690         Dwarf_Signed cnt;
5691         Dwarf_Macro_Details *md;
5692         Dwarf_Error de;
5693         const char *mi_str;
5694         char unk_mi[32];
5695         int i;
5696
5697 #define _MAX_MACINFO_ENTRY      65535
5698
5699         printf("\nContents of section .debug_macinfo:\n\n");
5700
5701         offset = 0;
5702         while (dwarf_get_macro_details(re->dbg, offset, _MAX_MACINFO_ENTRY,
5703             &cnt, &md, &de) == DW_DLV_OK) {
5704                 for (i = 0; i < cnt; i++) {
5705                         offset = md[i].dmd_offset + 1;
5706                         if (md[i].dmd_type == 0)
5707                                 break;
5708                         if (dwarf_get_MACINFO_name(md[i].dmd_type, &mi_str) !=
5709                             DW_DLV_OK) {
5710                                 snprintf(unk_mi, sizeof(unk_mi),
5711                                     "[Unknown MACINFO: %#x]", md[i].dmd_type);
5712                                 mi_str = unk_mi;
5713                         }
5714                         printf(" %s", mi_str);
5715                         switch (md[i].dmd_type) {
5716                         case DW_MACINFO_define:
5717                         case DW_MACINFO_undef:
5718                                 printf(" - lineno : %jd macro : %s\n",
5719                                     (intmax_t) md[i].dmd_lineno,
5720                                     md[i].dmd_macro);
5721                                 break;
5722                         case DW_MACINFO_start_file:
5723                                 printf(" - lineno : %jd filenum : %jd\n",
5724                                     (intmax_t) md[i].dmd_lineno,
5725                                     (intmax_t) md[i].dmd_fileindex);
5726                                 break;
5727                         default:
5728                                 putchar('\n');
5729                                 break;
5730                         }
5731                 }
5732         }
5733
5734 #undef  _MAX_MACINFO_ENTRY
5735 }
5736
5737 static void
5738 dump_dwarf_frame_inst(struct readelf *re, Dwarf_Cie cie, uint8_t *insts,
5739     Dwarf_Unsigned len, Dwarf_Unsigned caf, Dwarf_Signed daf, Dwarf_Addr pc,
5740     Dwarf_Debug dbg)
5741 {
5742         Dwarf_Frame_Op *oplist;
5743         Dwarf_Signed opcnt, delta;
5744         Dwarf_Small op;
5745         Dwarf_Error de;
5746         const char *op_str;
5747         char unk_op[32];
5748         int i;
5749
5750         if (dwarf_expand_frame_instructions(cie, insts, len, &oplist,
5751             &opcnt, &de) != DW_DLV_OK) {
5752                 warnx("dwarf_expand_frame_instructions failed: %s",
5753                     dwarf_errmsg(de));
5754                 return;
5755         }
5756
5757         for (i = 0; i < opcnt; i++) {
5758                 if (oplist[i].fp_base_op != 0)
5759                         op = oplist[i].fp_base_op << 6;
5760                 else
5761                         op = oplist[i].fp_extended_op;
5762                 if (dwarf_get_CFA_name(op, &op_str) != DW_DLV_OK) {
5763                         snprintf(unk_op, sizeof(unk_op), "[Unknown CFA: %#x]",
5764                             op);
5765                         op_str = unk_op;
5766                 }
5767                 printf("  %s", op_str);
5768                 switch (op) {
5769                 case DW_CFA_advance_loc:
5770                         delta = oplist[i].fp_offset * caf;
5771                         pc += delta;
5772                         printf(": %ju to %08jx", (uintmax_t) delta,
5773                             (uintmax_t) pc);
5774                         break;
5775                 case DW_CFA_offset:
5776                 case DW_CFA_offset_extended:
5777                 case DW_CFA_offset_extended_sf:
5778                         delta = oplist[i].fp_offset * daf;
5779                         printf(": r%u (%s) at cfa%+jd", oplist[i].fp_register,
5780                             dwarf_regname(re, oplist[i].fp_register),
5781                             (intmax_t) delta);
5782                         break;
5783                 case DW_CFA_restore:
5784                         printf(": r%u (%s)", oplist[i].fp_register,
5785                             dwarf_regname(re, oplist[i].fp_register));
5786                         break;
5787                 case DW_CFA_set_loc:
5788                         pc = oplist[i].fp_offset;
5789                         printf(": to %08jx", (uintmax_t) pc);
5790                         break;
5791                 case DW_CFA_advance_loc1:
5792                 case DW_CFA_advance_loc2:
5793                 case DW_CFA_advance_loc4:
5794                         pc += oplist[i].fp_offset;
5795                         printf(": %jd to %08jx", (intmax_t) oplist[i].fp_offset,
5796                             (uintmax_t) pc);
5797                         break;
5798                 case DW_CFA_def_cfa:
5799                         printf(": r%u (%s) ofs %ju", oplist[i].fp_register,
5800                             dwarf_regname(re, oplist[i].fp_register),
5801                             (uintmax_t) oplist[i].fp_offset);
5802                         break;
5803                 case DW_CFA_def_cfa_sf:
5804                         printf(": r%u (%s) ofs %jd", oplist[i].fp_register,
5805                             dwarf_regname(re, oplist[i].fp_register),
5806                             (intmax_t) (oplist[i].fp_offset * daf));
5807                         break;
5808                 case DW_CFA_def_cfa_register:
5809                         printf(": r%u (%s)", oplist[i].fp_register,
5810                             dwarf_regname(re, oplist[i].fp_register));
5811                         break;
5812                 case DW_CFA_def_cfa_offset:
5813                         printf(": %ju", (uintmax_t) oplist[i].fp_offset);
5814                         break;
5815                 case DW_CFA_def_cfa_offset_sf:
5816                         printf(": %jd", (intmax_t) (oplist[i].fp_offset * daf));
5817                         break;
5818                 default:
5819                         break;
5820                 }
5821                 putchar('\n');
5822         }
5823
5824         dwarf_dealloc(dbg, oplist, DW_DLA_FRAME_BLOCK);
5825 }
5826
5827 static char *
5828 get_regoff_str(struct readelf *re, Dwarf_Half reg, Dwarf_Addr off)
5829 {
5830         static char rs[16];
5831
5832         if (reg == DW_FRAME_UNDEFINED_VAL || reg == DW_FRAME_REG_INITIAL_VALUE)
5833                 snprintf(rs, sizeof(rs), "%c", 'u');
5834         else if (reg == DW_FRAME_CFA_COL)
5835                 snprintf(rs, sizeof(rs), "c%+jd", (intmax_t) off);
5836         else
5837                 snprintf(rs, sizeof(rs), "%s%+jd", dwarf_regname(re, reg),
5838                     (intmax_t) off);
5839
5840         return (rs);
5841 }
5842
5843 static int
5844 dump_dwarf_frame_regtable(struct readelf *re, Dwarf_Fde fde, Dwarf_Addr pc,
5845     Dwarf_Unsigned func_len, Dwarf_Half cie_ra)
5846 {
5847         Dwarf_Regtable rt;
5848         Dwarf_Addr row_pc, end_pc, pre_pc, cur_pc;
5849         Dwarf_Error de;
5850         char *vec;
5851         int i;
5852
5853 #define BIT_SET(v, n) (v[(n)>>3] |= 1U << ((n) & 7))
5854 #define BIT_CLR(v, n) (v[(n)>>3] &= ~(1U << ((n) & 7)))
5855 #define BIT_ISSET(v, n) (v[(n)>>3] & (1U << ((n) & 7)))
5856 #define RT(x) rt.rules[(x)]
5857
5858         vec = calloc((DW_REG_TABLE_SIZE + 7) / 8, 1);
5859         if (vec == NULL)
5860                 err(EXIT_FAILURE, "calloc failed");
5861
5862         pre_pc = ~((Dwarf_Addr) 0);
5863         cur_pc = pc;
5864         end_pc = pc + func_len;
5865         for (; cur_pc < end_pc; cur_pc++) {
5866                 if (dwarf_get_fde_info_for_all_regs(fde, cur_pc, &rt, &row_pc,
5867                     &de) != DW_DLV_OK) {
5868                         warnx("dwarf_get_fde_info_for_all_regs failed: %s\n",
5869                             dwarf_errmsg(de));
5870                         return (-1);
5871                 }
5872                 if (row_pc == pre_pc)
5873                         continue;
5874                 pre_pc = row_pc;
5875                 for (i = 1; i < DW_REG_TABLE_SIZE; i++) {
5876                         if (rt.rules[i].dw_regnum != DW_FRAME_REG_INITIAL_VALUE)
5877                                 BIT_SET(vec, i);
5878                 }
5879         }
5880
5881         printf("   LOC   CFA      ");
5882         for (i = 1; i < DW_REG_TABLE_SIZE; i++) {
5883                 if (BIT_ISSET(vec, i)) {
5884                         if ((Dwarf_Half) i == cie_ra)
5885                                 printf("ra   ");
5886                         else
5887                                 printf("%-5s",
5888                                     dwarf_regname(re, (unsigned int) i));
5889                 }
5890         }
5891         putchar('\n');
5892
5893         pre_pc = ~((Dwarf_Addr) 0);
5894         cur_pc = pc;
5895         end_pc = pc + func_len;
5896         for (; cur_pc < end_pc; cur_pc++) {
5897                 if (dwarf_get_fde_info_for_all_regs(fde, cur_pc, &rt, &row_pc,
5898                     &de) != DW_DLV_OK) {
5899                         warnx("dwarf_get_fde_info_for_all_regs failed: %s\n",
5900                             dwarf_errmsg(de));
5901                         return (-1);
5902                 }
5903                 if (row_pc == pre_pc)
5904                         continue;
5905                 pre_pc = row_pc;
5906                 printf("%08jx ", (uintmax_t) row_pc);
5907                 printf("%-8s ", get_regoff_str(re, RT(0).dw_regnum,
5908                     RT(0).dw_offset));
5909                 for (i = 1; i < DW_REG_TABLE_SIZE; i++) {
5910                         if (BIT_ISSET(vec, i)) {
5911                                 printf("%-5s", get_regoff_str(re,
5912                                     RT(i).dw_regnum, RT(i).dw_offset));
5913                         }
5914                 }
5915                 putchar('\n');
5916         }
5917
5918         free(vec);
5919
5920         return (0);
5921
5922 #undef  BIT_SET
5923 #undef  BIT_CLR
5924 #undef  BIT_ISSET
5925 #undef  RT
5926 }
5927
5928 static void
5929 dump_dwarf_frame_section(struct readelf *re, struct section *s, int alt)
5930 {
5931         Dwarf_Cie *cie_list, cie, pre_cie;
5932         Dwarf_Fde *fde_list, fde;
5933         Dwarf_Off cie_offset, fde_offset;
5934         Dwarf_Unsigned cie_length, fde_instlen;
5935         Dwarf_Unsigned cie_caf, cie_daf, cie_instlen, func_len, fde_length;
5936         Dwarf_Signed cie_count, fde_count, cie_index;
5937         Dwarf_Addr low_pc;
5938         Dwarf_Half cie_ra;
5939         Dwarf_Small cie_version;
5940         Dwarf_Ptr fde_addr, fde_inst, cie_inst;
5941         char *cie_aug, c;
5942         int i, eh_frame;
5943         Dwarf_Error de;
5944
5945         printf("\nThe section %s contains:\n\n", s->name);
5946
5947         if (!strcmp(s->name, ".debug_frame")) {
5948                 eh_frame = 0;
5949                 if (dwarf_get_fde_list(re->dbg, &cie_list, &cie_count,
5950                     &fde_list, &fde_count, &de) != DW_DLV_OK) {
5951                         warnx("dwarf_get_fde_list failed: %s",
5952                             dwarf_errmsg(de));
5953                         return;
5954                 }
5955         } else if (!strcmp(s->name, ".eh_frame")) {
5956                 eh_frame = 1;
5957                 if (dwarf_get_fde_list_eh(re->dbg, &cie_list, &cie_count,
5958                     &fde_list, &fde_count, &de) != DW_DLV_OK) {
5959                         warnx("dwarf_get_fde_list_eh failed: %s",
5960                             dwarf_errmsg(de));
5961                         return;
5962                 }
5963         } else
5964                 return;
5965
5966         pre_cie = NULL;
5967         for (i = 0; i < fde_count; i++) {
5968                 if (dwarf_get_fde_n(fde_list, i, &fde, &de) != DW_DLV_OK) {
5969                         warnx("dwarf_get_fde_n failed: %s", dwarf_errmsg(de));
5970                         continue;
5971                 }
5972                 if (dwarf_get_cie_of_fde(fde, &cie, &de) != DW_DLV_OK) {
5973                         warnx("dwarf_get_fde_n failed: %s", dwarf_errmsg(de));
5974                         continue;
5975                 }
5976                 if (dwarf_get_fde_range(fde, &low_pc, &func_len, &fde_addr,
5977                     &fde_length, &cie_offset, &cie_index, &fde_offset,
5978                     &de) != DW_DLV_OK) {
5979                         warnx("dwarf_get_fde_range failed: %s",
5980                             dwarf_errmsg(de));
5981                         continue;
5982                 }
5983                 if (dwarf_get_fde_instr_bytes(fde, &fde_inst, &fde_instlen,
5984                     &de) != DW_DLV_OK) {
5985                         warnx("dwarf_get_fde_instr_bytes failed: %s",
5986                             dwarf_errmsg(de));
5987                         continue;
5988                 }
5989                 if (pre_cie == NULL || cie != pre_cie) {
5990                         pre_cie = cie;
5991                         if (dwarf_get_cie_info(cie, &cie_length, &cie_version,
5992                             &cie_aug, &cie_caf, &cie_daf, &cie_ra,
5993                             &cie_inst, &cie_instlen, &de) != DW_DLV_OK) {
5994                                 warnx("dwarf_get_cie_info failed: %s",
5995                                     dwarf_errmsg(de));
5996                                 continue;
5997                         }
5998                         printf("%08jx %08jx %8.8jx CIE",
5999                             (uintmax_t) cie_offset,
6000                             (uintmax_t) cie_length,
6001                             (uintmax_t) (eh_frame ? 0 : ~0U));
6002                         if (!alt) {
6003                                 putchar('\n');
6004                                 printf("  Version:\t\t\t%u\n", cie_version);
6005                                 printf("  Augmentation:\t\t\t\"");
6006                                 while ((c = *cie_aug++) != '\0')
6007                                         putchar(c);
6008                                 printf("\"\n");
6009                                 printf("  Code alignment factor:\t%ju\n",
6010                                     (uintmax_t) cie_caf);
6011                                 printf("  Data alignment factor:\t%jd\n",
6012                                     (intmax_t) cie_daf);
6013                                 printf("  Return address column:\t%ju\n",
6014                                     (uintmax_t) cie_ra);
6015                                 putchar('\n');
6016                                 dump_dwarf_frame_inst(re, cie, cie_inst,
6017                                     cie_instlen, cie_caf, cie_daf, 0,
6018                                     re->dbg);
6019                                 putchar('\n');
6020                         } else {
6021                                 printf(" \"");
6022                                 while ((c = *cie_aug++) != '\0')
6023                                         putchar(c);
6024                                 putchar('"');
6025                                 printf(" cf=%ju df=%jd ra=%ju\n",
6026                                     (uintmax_t) cie_caf,
6027                                     (uintmax_t) cie_daf,
6028                                     (uintmax_t) cie_ra);
6029                                 dump_dwarf_frame_regtable(re, fde, low_pc, 1,
6030                                     cie_ra);
6031                                 putchar('\n');
6032                         }
6033                 }
6034                 printf("%08jx %08jx %08jx FDE cie=%08jx pc=%08jx..%08jx\n",
6035                     (uintmax_t) fde_offset, (uintmax_t) fde_length,
6036                     (uintmax_t) cie_offset,
6037                     (uintmax_t) (eh_frame ? fde_offset + 4 - cie_offset :
6038                         cie_offset),
6039                     (uintmax_t) low_pc, (uintmax_t) (low_pc + func_len));
6040                 if (!alt)
6041                         dump_dwarf_frame_inst(re, cie, fde_inst, fde_instlen,
6042                             cie_caf, cie_daf, low_pc, re->dbg);
6043                 else
6044                         dump_dwarf_frame_regtable(re, fde, low_pc, func_len,
6045                             cie_ra);
6046                 putchar('\n');
6047         }
6048 }
6049
6050 static void
6051 dump_dwarf_frame(struct readelf *re, int alt)
6052 {
6053         struct section *s;
6054         int i;
6055
6056         (void) dwarf_set_frame_cfa_value(re->dbg, DW_FRAME_CFA_COL);
6057
6058         for (i = 0; (size_t) i < re->shnum; i++) {
6059                 s = &re->sl[i];
6060                 if (s->name != NULL && (!strcmp(s->name, ".debug_frame") ||
6061                     !strcmp(s->name, ".eh_frame")))
6062                         dump_dwarf_frame_section(re, s, alt);
6063         }
6064 }
6065
6066 static void
6067 dump_dwarf_str(struct readelf *re)
6068 {
6069         struct section *s;
6070         Elf_Data *d;
6071         unsigned char *p;
6072         int elferr, end, i, j;
6073
6074         printf("\nContents of section .debug_str:\n");
6075
6076         s = NULL;
6077         for (i = 0; (size_t) i < re->shnum; i++) {
6078                 s = &re->sl[i];
6079                 if (s->name != NULL && !strcmp(s->name, ".debug_str"))
6080                         break;
6081         }
6082         if ((size_t) i >= re->shnum)
6083                 return;
6084
6085         (void) elf_errno();
6086         if ((d = elf_getdata(s->scn, NULL)) == NULL) {
6087                 elferr = elf_errno();
6088                 if (elferr != 0)
6089                         warnx("elf_getdata failed: %s", elf_errmsg(-1));
6090                 return;
6091         }
6092         if (d->d_size <= 0)
6093                 return;
6094
6095         for (i = 0, p = d->d_buf; (size_t) i < d->d_size; i += 16) {
6096                 printf("  0x%08x", (unsigned int) i);
6097                 if ((size_t) i + 16 > d->d_size)
6098                         end = d->d_size;
6099                 else
6100                         end = i + 16;
6101                 for (j = i; j < i + 16; j++) {
6102                         if ((j - i) % 4 == 0)
6103                                 putchar(' ');
6104                         if (j >= end) {
6105                                 printf("  ");
6106                                 continue;
6107                         }
6108                         printf("%02x", (uint8_t) p[j]);
6109                 }
6110                 putchar(' ');
6111                 for (j = i; j < end; j++) {
6112                         if (isprint(p[j]))
6113                                 putchar(p[j]);
6114                         else if (p[j] == 0)
6115                                 putchar('.');
6116                         else
6117                                 putchar(' ');
6118                 }
6119                 putchar('\n');
6120         }
6121 }
6122
6123 struct loc_at {
6124         Dwarf_Attribute la_at;
6125         Dwarf_Unsigned la_off;
6126         Dwarf_Unsigned la_lowpc;
6127         Dwarf_Half la_cu_psize;
6128         Dwarf_Half la_cu_osize;
6129         Dwarf_Half la_cu_ver;
6130         TAILQ_ENTRY(loc_at) la_next;
6131 };
6132
6133 static TAILQ_HEAD(, loc_at) lalist = TAILQ_HEAD_INITIALIZER(lalist);
6134
6135 static void
6136 search_loclist_at(struct readelf *re, Dwarf_Die die, Dwarf_Unsigned lowpc)
6137 {
6138         Dwarf_Attribute *attr_list;
6139         Dwarf_Die ret_die;
6140         Dwarf_Unsigned off;
6141         Dwarf_Off ref;
6142         Dwarf_Signed attr_count;
6143         Dwarf_Half attr, form;
6144         Dwarf_Bool is_info;
6145         Dwarf_Error de;
6146         struct loc_at *la, *nla;
6147         int i, ret;
6148
6149         is_info = dwarf_get_die_infotypes_flag(die);
6150
6151         if ((ret = dwarf_attrlist(die, &attr_list, &attr_count, &de)) !=
6152             DW_DLV_OK) {
6153                 if (ret == DW_DLV_ERROR)
6154                         warnx("dwarf_attrlist failed: %s", dwarf_errmsg(de));
6155                 goto cont_search;
6156         }
6157         for (i = 0; i < attr_count; i++) {
6158                 if (dwarf_whatattr(attr_list[i], &attr, &de) != DW_DLV_OK) {
6159                         warnx("dwarf_whatattr failed: %s", dwarf_errmsg(de));
6160                         continue;
6161                 }
6162                 if (attr != DW_AT_location &&
6163                     attr != DW_AT_string_length &&
6164                     attr != DW_AT_return_addr &&
6165                     attr != DW_AT_data_member_location &&
6166                     attr != DW_AT_frame_base &&
6167                     attr != DW_AT_segment &&
6168                     attr != DW_AT_static_link &&
6169                     attr != DW_AT_use_location &&
6170                     attr != DW_AT_vtable_elem_location)
6171                         continue;
6172                 if (dwarf_whatform(attr_list[i], &form, &de) != DW_DLV_OK) {
6173                         warnx("dwarf_whatform failed: %s", dwarf_errmsg(de));
6174                         continue;
6175                 }
6176                 if (form == DW_FORM_data4 || form == DW_FORM_data8) {
6177                         if (dwarf_formudata(attr_list[i], &off, &de) !=
6178                             DW_DLV_OK) {
6179                                 warnx("dwarf_formudata failed: %s",
6180                                     dwarf_errmsg(de));
6181                                 continue;
6182                         }
6183                 } else if (form == DW_FORM_sec_offset) {
6184                         if (dwarf_global_formref(attr_list[i], &ref, &de) !=
6185                             DW_DLV_OK) {
6186                                 warnx("dwarf_global_formref failed: %s",
6187                                     dwarf_errmsg(de));
6188                                 continue;
6189                         }
6190                         off = ref;
6191                 } else
6192                         continue;
6193
6194                 TAILQ_FOREACH(la, &lalist, la_next) {
6195                         if (off == la->la_off)
6196                                 break;
6197                         if (off < la->la_off) {
6198                                 if ((nla = malloc(sizeof(*nla))) == NULL)
6199                                         err(EXIT_FAILURE, "malloc failed");
6200                                 nla->la_at = attr_list[i];
6201                                 nla->la_off = off;
6202                                 nla->la_lowpc = lowpc;
6203                                 nla->la_cu_psize = re->cu_psize;
6204                                 nla->la_cu_osize = re->cu_osize;
6205                                 nla->la_cu_ver = re->cu_ver;
6206                                 TAILQ_INSERT_BEFORE(la, nla, la_next);
6207                                 break;
6208                         }
6209                 }
6210                 if (la == NULL) {
6211                         if ((nla = malloc(sizeof(*nla))) == NULL)
6212                                 err(EXIT_FAILURE, "malloc failed");
6213                         nla->la_at = attr_list[i];
6214                         nla->la_off = off;
6215                         nla->la_lowpc = lowpc;
6216                         nla->la_cu_psize = re->cu_psize;
6217                         nla->la_cu_osize = re->cu_osize;
6218                         nla->la_cu_ver = re->cu_ver;
6219                         TAILQ_INSERT_TAIL(&lalist, nla, la_next);
6220                 }
6221         }
6222
6223 cont_search:
6224         /* Search children. */
6225         ret = dwarf_child(die, &ret_die, &de);
6226         if (ret == DW_DLV_ERROR)
6227                 warnx("dwarf_child: %s", dwarf_errmsg(de));
6228         else if (ret == DW_DLV_OK)
6229                 search_loclist_at(re, ret_die, lowpc);
6230
6231         /* Search sibling. */
6232         ret = dwarf_siblingof_b(re->dbg, die, &ret_die, is_info, &de);
6233         if (ret == DW_DLV_ERROR)
6234                 warnx("dwarf_siblingof: %s", dwarf_errmsg(de));
6235         else if (ret == DW_DLV_OK)
6236                 search_loclist_at(re, ret_die, lowpc);
6237 }
6238
6239 static void
6240 dump_dwarf_loc(struct readelf *re, Dwarf_Loc *lr)
6241 {
6242         const char *op_str;
6243         char unk_op[32];
6244         uint8_t *b, n;
6245         int i;
6246
6247         if (dwarf_get_OP_name(lr->lr_atom, &op_str) !=
6248             DW_DLV_OK) {
6249                 snprintf(unk_op, sizeof(unk_op),
6250                     "[Unknown OP: %#x]", lr->lr_atom);
6251                 op_str = unk_op;
6252         }
6253
6254         printf("%s", op_str);
6255
6256         switch (lr->lr_atom) {
6257         case DW_OP_reg0:
6258         case DW_OP_reg1:
6259         case DW_OP_reg2:
6260         case DW_OP_reg3:
6261         case DW_OP_reg4:
6262         case DW_OP_reg5:
6263         case DW_OP_reg6:
6264         case DW_OP_reg7:
6265         case DW_OP_reg8:
6266         case DW_OP_reg9:
6267         case DW_OP_reg10:
6268         case DW_OP_reg11:
6269         case DW_OP_reg12:
6270         case DW_OP_reg13:
6271         case DW_OP_reg14:
6272         case DW_OP_reg15:
6273         case DW_OP_reg16:
6274         case DW_OP_reg17:
6275         case DW_OP_reg18:
6276         case DW_OP_reg19:
6277         case DW_OP_reg20:
6278         case DW_OP_reg21:
6279         case DW_OP_reg22:
6280         case DW_OP_reg23:
6281         case DW_OP_reg24:
6282         case DW_OP_reg25:
6283         case DW_OP_reg26:
6284         case DW_OP_reg27:
6285         case DW_OP_reg28:
6286         case DW_OP_reg29:
6287         case DW_OP_reg30:
6288         case DW_OP_reg31:
6289                 printf(" (%s)", dwarf_regname(re, lr->lr_atom - DW_OP_reg0));
6290                 break;
6291
6292         case DW_OP_deref:
6293         case DW_OP_lit0:
6294         case DW_OP_lit1:
6295         case DW_OP_lit2:
6296         case DW_OP_lit3:
6297         case DW_OP_lit4:
6298         case DW_OP_lit5:
6299         case DW_OP_lit6:
6300         case DW_OP_lit7:
6301         case DW_OP_lit8:
6302         case DW_OP_lit9:
6303         case DW_OP_lit10:
6304         case DW_OP_lit11:
6305         case DW_OP_lit12:
6306         case DW_OP_lit13:
6307         case DW_OP_lit14:
6308         case DW_OP_lit15:
6309         case DW_OP_lit16:
6310         case DW_OP_lit17:
6311         case DW_OP_lit18:
6312         case DW_OP_lit19:
6313         case DW_OP_lit20:
6314         case DW_OP_lit21:
6315         case DW_OP_lit22:
6316         case DW_OP_lit23:
6317         case DW_OP_lit24:
6318         case DW_OP_lit25:
6319         case DW_OP_lit26:
6320         case DW_OP_lit27:
6321         case DW_OP_lit28:
6322         case DW_OP_lit29:
6323         case DW_OP_lit30:
6324         case DW_OP_lit31:
6325         case DW_OP_dup:
6326         case DW_OP_drop:
6327         case DW_OP_over:
6328         case DW_OP_swap:
6329         case DW_OP_rot:
6330         case DW_OP_xderef:
6331         case DW_OP_abs:
6332         case DW_OP_and:
6333         case DW_OP_div:
6334         case DW_OP_minus:
6335         case DW_OP_mod:
6336         case DW_OP_mul:
6337         case DW_OP_neg:
6338         case DW_OP_not:
6339         case DW_OP_or:
6340         case DW_OP_plus:
6341         case DW_OP_shl:
6342         case DW_OP_shr:
6343         case DW_OP_shra:
6344         case DW_OP_xor:
6345         case DW_OP_eq:
6346         case DW_OP_ge:
6347         case DW_OP_gt:
6348         case DW_OP_le:
6349         case DW_OP_lt:
6350         case DW_OP_ne:
6351         case DW_OP_nop:
6352         case DW_OP_push_object_address:
6353         case DW_OP_form_tls_address:
6354         case DW_OP_call_frame_cfa:
6355         case DW_OP_stack_value:
6356         case DW_OP_GNU_push_tls_address:
6357         case DW_OP_GNU_uninit:
6358                 break;
6359
6360         case DW_OP_const1u:
6361         case DW_OP_pick:
6362         case DW_OP_deref_size:
6363         case DW_OP_xderef_size:
6364         case DW_OP_const2u:
6365         case DW_OP_bra:
6366         case DW_OP_skip:
6367         case DW_OP_const4u:
6368         case DW_OP_const8u:
6369         case DW_OP_constu:
6370         case DW_OP_plus_uconst:
6371         case DW_OP_regx:
6372         case DW_OP_piece:
6373                 printf(": %ju", (uintmax_t)
6374                     lr->lr_number);
6375                 break;
6376
6377         case DW_OP_const1s:
6378         case DW_OP_const2s:
6379         case DW_OP_const4s:
6380         case DW_OP_const8s:
6381         case DW_OP_consts:
6382                 printf(": %jd", (intmax_t)
6383                     lr->lr_number);
6384                 break;
6385
6386         case DW_OP_breg0:
6387         case DW_OP_breg1:
6388         case DW_OP_breg2:
6389         case DW_OP_breg3:
6390         case DW_OP_breg4:
6391         case DW_OP_breg5:
6392         case DW_OP_breg6:
6393         case DW_OP_breg7:
6394         case DW_OP_breg8:
6395         case DW_OP_breg9:
6396         case DW_OP_breg10:
6397         case DW_OP_breg11:
6398         case DW_OP_breg12:
6399         case DW_OP_breg13:
6400         case DW_OP_breg14:
6401         case DW_OP_breg15:
6402         case DW_OP_breg16:
6403         case DW_OP_breg17:
6404         case DW_OP_breg18:
6405         case DW_OP_breg19:
6406         case DW_OP_breg20:
6407         case DW_OP_breg21:
6408         case DW_OP_breg22:
6409         case DW_OP_breg23:
6410         case DW_OP_breg24:
6411         case DW_OP_breg25:
6412         case DW_OP_breg26:
6413         case DW_OP_breg27:
6414         case DW_OP_breg28:
6415         case DW_OP_breg29:
6416         case DW_OP_breg30:
6417         case DW_OP_breg31:
6418                 printf(" (%s): %jd",
6419                     dwarf_regname(re, lr->lr_atom - DW_OP_breg0),
6420                     (intmax_t) lr->lr_number);
6421                 break;
6422
6423         case DW_OP_fbreg:
6424                 printf(": %jd", (intmax_t)
6425                     lr->lr_number);
6426                 break;
6427
6428         case DW_OP_bregx:
6429                 printf(": %ju (%s) %jd",
6430                     (uintmax_t) lr->lr_number,
6431                     dwarf_regname(re, (unsigned int) lr->lr_number),
6432                     (intmax_t) lr->lr_number2);
6433                 break;
6434
6435         case DW_OP_addr:
6436         case DW_OP_GNU_encoded_addr:
6437                 printf(": %#jx", (uintmax_t)
6438                     lr->lr_number);
6439                 break;
6440
6441         case DW_OP_GNU_implicit_pointer:
6442                 printf(": <0x%jx> %jd", (uintmax_t) lr->lr_number,
6443                     (intmax_t) lr->lr_number2);
6444                 break;
6445
6446         case DW_OP_implicit_value:
6447                 printf(": %ju byte block:", (uintmax_t) lr->lr_number);
6448                 b = (uint8_t *)(uintptr_t) lr->lr_number2;
6449                 for (i = 0; (Dwarf_Unsigned) i < lr->lr_number; i++)
6450                         printf(" %x", b[i]);
6451                 break;
6452
6453         case DW_OP_GNU_entry_value:
6454                 printf(": (");
6455                 dump_dwarf_block(re, (uint8_t *)(uintptr_t) lr->lr_number2,
6456                     lr->lr_number);
6457                 putchar(')');
6458                 break;
6459
6460         case DW_OP_GNU_const_type:
6461                 printf(": <0x%jx> ", (uintmax_t) lr->lr_number);
6462                 b = (uint8_t *)(uintptr_t) lr->lr_number2;
6463                 n = *b;
6464                 for (i = 1; (uint8_t) i < n; i++)
6465                         printf(" %x", b[i]);
6466                 break;
6467
6468         case DW_OP_GNU_regval_type:
6469                 printf(": %ju (%s) <0x%jx>", (uintmax_t) lr->lr_number,
6470                     dwarf_regname(re, (unsigned int) lr->lr_number),
6471                     (uintmax_t) lr->lr_number2);
6472                 break;
6473
6474         case DW_OP_GNU_convert:
6475         case DW_OP_GNU_deref_type:
6476         case DW_OP_GNU_parameter_ref:
6477         case DW_OP_GNU_reinterpret:
6478                 printf(": <0x%jx>", (uintmax_t) lr->lr_number);
6479                 break;
6480
6481         default:
6482                 break;
6483         }
6484 }
6485
6486 static void
6487 dump_dwarf_block(struct readelf *re, uint8_t *b, Dwarf_Unsigned len)
6488 {
6489         Dwarf_Locdesc *llbuf;
6490         Dwarf_Signed lcnt;
6491         Dwarf_Error de;
6492         int i;
6493
6494         if (dwarf_loclist_from_expr_b(re->dbg, b, len, re->cu_psize,
6495             re->cu_osize, re->cu_ver, &llbuf, &lcnt, &de) != DW_DLV_OK) {
6496                 warnx("dwarf_loclist_form_expr_b: %s", dwarf_errmsg(de));
6497                 return;
6498         }
6499
6500         for (i = 0; (Dwarf_Half) i < llbuf->ld_cents; i++) {
6501                 dump_dwarf_loc(re, &llbuf->ld_s[i]);
6502                 if (i < llbuf->ld_cents - 1)
6503                         printf("; ");
6504         }
6505
6506         dwarf_dealloc(re->dbg, llbuf->ld_s, DW_DLA_LOC_BLOCK);
6507         dwarf_dealloc(re->dbg, llbuf, DW_DLA_LOCDESC);
6508 }
6509
6510 static void
6511 dump_dwarf_loclist(struct readelf *re)
6512 {
6513         Dwarf_Die die;
6514         Dwarf_Locdesc **llbuf;
6515         Dwarf_Unsigned lowpc;
6516         Dwarf_Signed lcnt;
6517         Dwarf_Half tag, version, pointer_size, off_size;
6518         Dwarf_Error de;
6519         struct loc_at *la;
6520         int i, j, ret;
6521
6522         printf("\nContents of section .debug_loc:\n");
6523
6524         /* Search .debug_info section. */
6525         while ((ret = dwarf_next_cu_header_b(re->dbg, NULL, &version, NULL,
6526             &pointer_size, &off_size, NULL, NULL, &de)) == DW_DLV_OK) {
6527                 set_cu_context(re, pointer_size, off_size, version);
6528                 die = NULL;
6529                 if (dwarf_siblingof(re->dbg, die, &die, &de) != DW_DLV_OK)
6530                         continue;
6531                 if (dwarf_tag(die, &tag, &de) != DW_DLV_OK) {
6532                         warnx("dwarf_tag failed: %s", dwarf_errmsg(de));
6533                         continue;
6534                 }
6535                 /* XXX: What about DW_TAG_partial_unit? */
6536                 lowpc = 0;
6537                 if (tag == DW_TAG_compile_unit) {
6538                         if (dwarf_attrval_unsigned(die, DW_AT_low_pc,
6539                                 &lowpc, &de) != DW_DLV_OK)
6540                                 lowpc = 0;
6541                 }
6542
6543                 /* Search attributes for reference to .debug_loc section. */
6544                 search_loclist_at(re, die, lowpc);
6545         }
6546         if (ret == DW_DLV_ERROR)
6547                 warnx("dwarf_next_cu_header: %s", dwarf_errmsg(de));
6548
6549         /* Search .debug_types section. */
6550         do {
6551                 while ((ret = dwarf_next_cu_header_c(re->dbg, 0, NULL,
6552                     &version, NULL, &pointer_size, &off_size, NULL, NULL,
6553                     NULL, NULL, &de)) == DW_DLV_OK) {
6554                         set_cu_context(re, pointer_size, off_size, version);
6555                         die = NULL;
6556                         if (dwarf_siblingof(re->dbg, die, &die, &de) !=
6557                             DW_DLV_OK)
6558                                 continue;
6559                         if (dwarf_tag(die, &tag, &de) != DW_DLV_OK) {
6560                                 warnx("dwarf_tag failed: %s",
6561                                     dwarf_errmsg(de));
6562                                 continue;
6563                         }
6564
6565                         lowpc = 0;
6566                         if (tag == DW_TAG_type_unit) {
6567                                 if (dwarf_attrval_unsigned(die, DW_AT_low_pc,
6568                                     &lowpc, &de) != DW_DLV_OK)
6569                                         lowpc = 0;
6570                         }
6571
6572                         /*
6573                          * Search attributes for reference to .debug_loc
6574                          * section.
6575                          */
6576                         search_loclist_at(re, die, lowpc);
6577                 }
6578                 if (ret == DW_DLV_ERROR)
6579                         warnx("dwarf_next_cu_header: %s", dwarf_errmsg(de));
6580         } while (dwarf_next_types_section(re->dbg, &de) == DW_DLV_OK);
6581
6582         if (TAILQ_EMPTY(&lalist))
6583                 return;
6584
6585         printf("    Offset   Begin    End      Expression\n");
6586
6587         TAILQ_FOREACH(la, &lalist, la_next) {
6588                 if (dwarf_loclist_n(la->la_at, &llbuf, &lcnt, &de) !=
6589                     DW_DLV_OK) {
6590                         warnx("dwarf_loclist_n failed: %s", dwarf_errmsg(de));
6591                         continue;
6592                 }
6593                 set_cu_context(re, la->la_cu_psize, la->la_cu_osize,
6594                     la->la_cu_ver);
6595                 for (i = 0; i < lcnt; i++) {
6596                         printf("    %8.8jx ", la->la_off);
6597                         if (llbuf[i]->ld_lopc == 0 && llbuf[i]->ld_hipc == 0) {
6598                                 printf("<End of list>\n");
6599                                 continue;
6600                         }
6601
6602                         /* TODO: handle base selection entry. */
6603
6604                         printf("%8.8jx %8.8jx ",
6605                             (uintmax_t) (la->la_lowpc + llbuf[i]->ld_lopc),
6606                             (uintmax_t) (la->la_lowpc + llbuf[i]->ld_hipc));
6607
6608                         putchar('(');
6609                         for (j = 0; (Dwarf_Half) j < llbuf[i]->ld_cents; j++) {
6610                                 dump_dwarf_loc(re, &llbuf[i]->ld_s[j]);
6611                                 if (j < llbuf[i]->ld_cents - 1)
6612                                         printf("; ");
6613                         }
6614                         putchar(')');
6615
6616                         if (llbuf[i]->ld_lopc == llbuf[i]->ld_hipc)
6617                                 printf(" (start == end)");
6618                         putchar('\n');
6619                 }
6620                 for (i = 0; i < lcnt; i++) {
6621                         dwarf_dealloc(re->dbg, llbuf[i]->ld_s,
6622                             DW_DLA_LOC_BLOCK);
6623                         dwarf_dealloc(re->dbg, llbuf[i], DW_DLA_LOCDESC);
6624                 }
6625                 dwarf_dealloc(re->dbg, llbuf, DW_DLA_LIST);
6626         }
6627 }
6628
6629 /*
6630  * Retrieve a string using string table section index and the string offset.
6631  */
6632 static const char*
6633 get_string(struct readelf *re, int strtab, size_t off)
6634 {
6635         const char *name;
6636
6637         if ((name = elf_strptr(re->elf, strtab, off)) == NULL)
6638                 return ("");
6639
6640         return (name);
6641 }
6642
6643 /*
6644  * Retrieve the name of a symbol using the section index of the symbol
6645  * table and the index of the symbol within that table.
6646  */
6647 static const char *
6648 get_symbol_name(struct readelf *re, int symtab, int i)
6649 {
6650         struct section  *s;
6651         const char      *name;
6652         GElf_Sym         sym;
6653         Elf_Data        *data;
6654         int              elferr;
6655
6656         s = &re->sl[symtab];
6657         if (s->type != SHT_SYMTAB && s->type != SHT_DYNSYM)
6658                 return ("");
6659         (void) elf_errno();
6660         if ((data = elf_getdata(s->scn, NULL)) == NULL) {
6661                 elferr = elf_errno();
6662                 if (elferr != 0)
6663                         warnx("elf_getdata failed: %s", elf_errmsg(elferr));
6664                 return ("");
6665         }
6666         if (gelf_getsym(data, i, &sym) != &sym)
6667                 return ("");
6668         /* Return section name for STT_SECTION symbol. */
6669         if (GELF_ST_TYPE(sym.st_info) == STT_SECTION &&
6670             re->sl[sym.st_shndx].name != NULL)
6671                 return (re->sl[sym.st_shndx].name);
6672         if ((name = elf_strptr(re->elf, s->link, sym.st_name)) == NULL)
6673                 return ("");
6674
6675         return (name);
6676 }
6677
6678 static uint64_t
6679 get_symbol_value(struct readelf *re, int symtab, int i)
6680 {
6681         struct section  *s;
6682         GElf_Sym         sym;
6683         Elf_Data        *data;
6684         int              elferr;
6685
6686         s = &re->sl[symtab];
6687         if (s->type != SHT_SYMTAB && s->type != SHT_DYNSYM)
6688                 return (0);
6689         (void) elf_errno();
6690         if ((data = elf_getdata(s->scn, NULL)) == NULL) {
6691                 elferr = elf_errno();
6692                 if (elferr != 0)
6693                         warnx("elf_getdata failed: %s", elf_errmsg(elferr));
6694                 return (0);
6695         }
6696         if (gelf_getsym(data, i, &sym) != &sym)
6697                 return (0);
6698
6699         return (sym.st_value);
6700 }
6701
6702 static void
6703 hex_dump(struct readelf *re)
6704 {
6705         struct section *s;
6706         Elf_Data *d;
6707         uint8_t *buf;
6708         size_t sz, nbytes;
6709         uint64_t addr;
6710         int elferr, i, j;
6711
6712         for (i = 1; (size_t) i < re->shnum; i++) {
6713                 s = &re->sl[i];
6714                 if (find_dumpop(re, (size_t) i, s->name, HEX_DUMP, -1) == NULL)
6715                         continue;
6716                 (void) elf_errno();
6717                 if ((d = elf_getdata(s->scn, NULL)) == NULL) {
6718                         elferr = elf_errno();
6719                         if (elferr != 0)
6720                                 warnx("elf_getdata failed: %s",
6721                                     elf_errmsg(elferr));
6722                         continue;
6723                 }
6724                 if (d->d_size <= 0 || d->d_buf == NULL) {
6725                         printf("\nSection '%s' has no data to dump.\n",
6726                             s->name);
6727                         continue;
6728                 }
6729                 buf = d->d_buf;
6730                 sz = d->d_size;
6731                 addr = s->addr;
6732                 printf("\nHex dump of section '%s':\n", s->name);
6733                 while (sz > 0) {
6734                         printf("  0x%8.8jx ", (uintmax_t)addr);
6735                         nbytes = sz > 16? 16 : sz;
6736                         for (j = 0; j < 16; j++) {
6737                                 if ((size_t)j < nbytes)
6738                                         printf("%2.2x", buf[j]);
6739                                 else
6740                                         printf("  ");
6741                                 if ((j & 3) == 3)
6742                                         printf(" ");
6743                         }
6744                         for (j = 0; (size_t)j < nbytes; j++) {
6745                                 if (isprint(buf[j]))
6746                                         printf("%c", buf[j]);
6747                                 else
6748                                         printf(".");
6749                         }
6750                         printf("\n");
6751                         buf += nbytes;
6752                         addr += nbytes;
6753                         sz -= nbytes;
6754                 }
6755         }
6756 }
6757
6758 static void
6759 str_dump(struct readelf *re)
6760 {
6761         struct section *s;
6762         Elf_Data *d;
6763         unsigned char *start, *end, *buf_end;
6764         unsigned int len;
6765         int i, j, elferr, found;
6766
6767         for (i = 1; (size_t) i < re->shnum; i++) {
6768                 s = &re->sl[i];
6769                 if (find_dumpop(re, (size_t) i, s->name, STR_DUMP, -1) == NULL)
6770                         continue;
6771                 (void) elf_errno();
6772                 if ((d = elf_getdata(s->scn, NULL)) == NULL) {
6773                         elferr = elf_errno();
6774                         if (elferr != 0)
6775                                 warnx("elf_getdata failed: %s",
6776                                     elf_errmsg(elferr));
6777                         continue;
6778                 }
6779                 if (d->d_size <= 0 || d->d_buf == NULL) {
6780                         printf("\nSection '%s' has no data to dump.\n",
6781                             s->name);
6782                         continue;
6783                 }
6784                 buf_end = (unsigned char *) d->d_buf + d->d_size;
6785                 start = (unsigned char *) d->d_buf;
6786                 found = 0;
6787                 printf("\nString dump of section '%s':\n", s->name);
6788                 for (;;) {
6789                         while (start < buf_end && !isprint(*start))
6790                                 start++;
6791                         if (start >= buf_end)
6792                                 break;
6793                         end = start + 1;
6794                         while (end < buf_end && isprint(*end))
6795                                 end++;
6796                         printf("  [%6lx]  ",
6797                             (long) (start - (unsigned char *) d->d_buf));
6798                         len = end - start;
6799                         for (j = 0; (unsigned int) j < len; j++)
6800                                 putchar(start[j]);
6801                         putchar('\n');
6802                         found = 1;
6803                         if (end >= buf_end)
6804                                 break;
6805                         start = end + 1;
6806                 }
6807                 if (!found)
6808                         printf("  No strings found in this section.");
6809                 putchar('\n');
6810         }
6811 }
6812
6813 static void
6814 load_sections(struct readelf *re)
6815 {
6816         struct section  *s;
6817         const char      *name;
6818         Elf_Scn         *scn;
6819         GElf_Shdr        sh;
6820         size_t           shstrndx, ndx;
6821         int              elferr;
6822
6823         /* Allocate storage for internal section list. */
6824         if (!elf_getshnum(re->elf, &re->shnum)) {
6825                 warnx("elf_getshnum failed: %s", elf_errmsg(-1));
6826                 return;
6827         }
6828         if (re->sl != NULL)
6829                 free(re->sl);
6830         if ((re->sl = calloc(re->shnum, sizeof(*re->sl))) == NULL)
6831                 err(EXIT_FAILURE, "calloc failed");
6832
6833         /* Get the index of .shstrtab section. */
6834         if (!elf_getshstrndx(re->elf, &shstrndx)) {
6835                 warnx("elf_getshstrndx failed: %s", elf_errmsg(-1));
6836                 return;
6837         }
6838
6839         if ((scn = elf_getscn(re->elf, 0)) == NULL)
6840                 return;
6841
6842         (void) elf_errno();
6843         do {
6844                 if (gelf_getshdr(scn, &sh) == NULL) {
6845                         warnx("gelf_getshdr failed: %s", elf_errmsg(-1));
6846                         (void) elf_errno();
6847                         continue;
6848                 }
6849                 if ((name = elf_strptr(re->elf, shstrndx, sh.sh_name)) == NULL) {
6850                         (void) elf_errno();
6851                         name = "ERROR";
6852                 }
6853                 if ((ndx = elf_ndxscn(scn)) == SHN_UNDEF) {
6854                         if ((elferr = elf_errno()) != 0)
6855                                 warnx("elf_ndxscn failed: %s",
6856                                     elf_errmsg(elferr));
6857                         continue;
6858                 }
6859                 if (ndx >= re->shnum) {
6860                         warnx("section index of '%s' out of range", name);
6861                         continue;
6862                 }
6863                 s = &re->sl[ndx];
6864                 s->name = name;
6865                 s->scn = scn;
6866                 s->off = sh.sh_offset;
6867                 s->sz = sh.sh_size;
6868                 s->entsize = sh.sh_entsize;
6869                 s->align = sh.sh_addralign;
6870                 s->type = sh.sh_type;
6871                 s->flags = sh.sh_flags;
6872                 s->addr = sh.sh_addr;
6873                 s->link = sh.sh_link;
6874                 s->info = sh.sh_info;
6875         } while ((scn = elf_nextscn(re->elf, scn)) != NULL);
6876         elferr = elf_errno();
6877         if (elferr != 0)
6878                 warnx("elf_nextscn failed: %s", elf_errmsg(elferr));
6879 }
6880
6881 static void
6882 unload_sections(struct readelf *re)
6883 {
6884
6885         if (re->sl != NULL) {
6886                 free(re->sl);
6887                 re->sl = NULL;
6888         }
6889         re->shnum = 0;
6890         re->vd_s = NULL;
6891         re->vn_s = NULL;
6892         re->vs_s = NULL;
6893         re->vs = NULL;
6894         re->vs_sz = 0;
6895         if (re->ver != NULL) {
6896                 free(re->ver);
6897                 re->ver = NULL;
6898                 re->ver_sz = 0;
6899         }
6900 }
6901
6902 static void
6903 dump_elf(struct readelf *re)
6904 {
6905
6906         /* Fetch ELF header. No need to continue if it fails. */
6907         if (gelf_getehdr(re->elf, &re->ehdr) == NULL) {
6908                 warnx("gelf_getehdr failed: %s", elf_errmsg(-1));
6909                 return;
6910         }
6911         if ((re->ec = gelf_getclass(re->elf)) == ELFCLASSNONE) {
6912                 warnx("gelf_getclass failed: %s", elf_errmsg(-1));
6913                 return;
6914         }
6915         if (re->ehdr.e_ident[EI_DATA] == ELFDATA2MSB) {
6916                 re->dw_read = _read_msb;
6917                 re->dw_decode = _decode_msb;
6918         } else {
6919                 re->dw_read = _read_lsb;
6920                 re->dw_decode = _decode_lsb;
6921         }
6922
6923         if (re->options & ~RE_H)
6924                 load_sections(re);
6925         if ((re->options & RE_VV) || (re->options & RE_S))
6926                 search_ver(re);
6927         if (re->options & RE_H)
6928                 dump_ehdr(re);
6929         if (re->options & RE_L)
6930                 dump_phdr(re);
6931         if (re->options & RE_SS)
6932                 dump_shdr(re);
6933         if (re->options & RE_G)
6934                 dump_section_groups(re);
6935         if (re->options & RE_D)
6936                 dump_dynamic(re);
6937         if (re->options & RE_R)
6938                 dump_reloc(re);
6939         if (re->options & RE_S)
6940                 dump_symtabs(re);
6941         if (re->options & RE_N)
6942                 dump_notes(re);
6943         if (re->options & RE_II)
6944                 dump_hash(re);
6945         if (re->options & RE_X)
6946                 hex_dump(re);
6947         if (re->options & RE_P)
6948                 str_dump(re);
6949         if (re->options & RE_VV)
6950                 dump_ver(re);
6951         if (re->options & RE_AA)
6952                 dump_arch_specific_info(re);
6953         if (re->options & RE_W)
6954                 dump_dwarf(re);
6955         if (re->options & ~RE_H)
6956                 unload_sections(re);
6957 }
6958
6959 static void
6960 dump_dwarf(struct readelf *re)
6961 {
6962         int error;
6963         Dwarf_Error de;
6964
6965         if (dwarf_elf_init(re->elf, DW_DLC_READ, NULL, NULL, &re->dbg, &de)) {
6966                 if ((error = dwarf_errno(de)) != DW_DLE_DEBUG_INFO_NULL)
6967                         errx(EXIT_FAILURE, "dwarf_elf_init failed: %s",
6968                             dwarf_errmsg(de));
6969                 return;
6970         }
6971
6972         if (re->dop & DW_A)
6973                 dump_dwarf_abbrev(re);
6974         if (re->dop & DW_L)
6975                 dump_dwarf_line(re);
6976         if (re->dop & DW_LL)
6977                 dump_dwarf_line_decoded(re);
6978         if (re->dop & DW_I) {
6979                 dump_dwarf_info(re, 0);
6980                 dump_dwarf_info(re, 1);
6981         }
6982         if (re->dop & DW_P)
6983                 dump_dwarf_pubnames(re);
6984         if (re->dop & DW_R)
6985                 dump_dwarf_aranges(re);
6986         if (re->dop & DW_RR)
6987                 dump_dwarf_ranges(re);
6988         if (re->dop & DW_M)
6989                 dump_dwarf_macinfo(re);
6990         if (re->dop & DW_F)
6991                 dump_dwarf_frame(re, 0);
6992         else if (re->dop & DW_FF)
6993                 dump_dwarf_frame(re, 1);
6994         if (re->dop & DW_S)
6995                 dump_dwarf_str(re);
6996         if (re->dop & DW_O)
6997                 dump_dwarf_loclist(re);
6998
6999         dwarf_finish(re->dbg, &de);
7000 }
7001
7002 static void
7003 dump_ar(struct readelf *re, int fd)
7004 {
7005         Elf_Arsym *arsym;
7006         Elf_Arhdr *arhdr;
7007         Elf_Cmd cmd;
7008         Elf *e;
7009         size_t sz;
7010         off_t off;
7011         int i;
7012
7013         re->ar = re->elf;
7014
7015         if (re->options & RE_C) {
7016                 if ((arsym = elf_getarsym(re->ar, &sz)) == NULL) {
7017                         warnx("elf_getarsym() failed: %s", elf_errmsg(-1));
7018                         goto process_members;
7019                 }
7020                 printf("Index of archive %s: (%ju entries)\n", re->filename,
7021                     (uintmax_t) sz - 1);
7022                 off = 0;
7023                 for (i = 0; (size_t) i < sz; i++) {
7024                         if (arsym[i].as_name == NULL)
7025                                 break;
7026                         if (arsym[i].as_off != off) {
7027                                 off = arsym[i].as_off;
7028                                 if (elf_rand(re->ar, off) != off) {
7029                                         warnx("elf_rand() failed: %s",
7030                                             elf_errmsg(-1));
7031                                         continue;
7032                                 }
7033                                 if ((e = elf_begin(fd, ELF_C_READ, re->ar)) ==
7034                                     NULL) {
7035                                         warnx("elf_begin() failed: %s",
7036                                             elf_errmsg(-1));
7037                                         continue;
7038                                 }
7039                                 if ((arhdr = elf_getarhdr(e)) == NULL) {
7040                                         warnx("elf_getarhdr() failed: %s",
7041                                             elf_errmsg(-1));
7042                                         elf_end(e);
7043                                         continue;
7044                                 }
7045                                 printf("Binary %s(%s) contains:\n",
7046                                     re->filename, arhdr->ar_name);
7047                         }
7048                         printf("\t%s\n", arsym[i].as_name);
7049                 }
7050                 if (elf_rand(re->ar, SARMAG) != SARMAG) {
7051                         warnx("elf_rand() failed: %s", elf_errmsg(-1));
7052                         return;
7053                 }
7054         }
7055
7056 process_members:
7057
7058         if ((re->options & ~RE_C) == 0)
7059                 return;
7060
7061         cmd = ELF_C_READ;
7062         while ((re->elf = elf_begin(fd, cmd, re->ar)) != NULL) {
7063                 if ((arhdr = elf_getarhdr(re->elf)) == NULL) {
7064                         warnx("elf_getarhdr() failed: %s", elf_errmsg(-1));
7065                         goto next_member;
7066                 }
7067                 if (strcmp(arhdr->ar_name, "/") == 0 ||
7068                     strcmp(arhdr->ar_name, "//") == 0 ||
7069                     strcmp(arhdr->ar_name, "__.SYMDEF") == 0)
7070                         goto next_member;
7071                 printf("\nFile: %s(%s)\n", re->filename, arhdr->ar_name);
7072                 dump_elf(re);
7073
7074         next_member:
7075                 cmd = elf_next(re->elf);
7076                 elf_end(re->elf);
7077         }
7078         re->elf = re->ar;
7079 }
7080
7081 static void
7082 dump_object(struct readelf *re)
7083 {
7084         int fd;
7085
7086         if ((fd = open(re->filename, O_RDONLY)) == -1) {
7087                 warn("open %s failed", re->filename);
7088                 return;
7089         }
7090
7091         if ((re->flags & DISPLAY_FILENAME) != 0)
7092                 printf("\nFile: %s\n", re->filename);
7093
7094         if ((re->elf = elf_begin(fd, ELF_C_READ, NULL)) == NULL) {
7095                 warnx("elf_begin() failed: %s", elf_errmsg(-1));
7096                 return;
7097         }
7098
7099         switch (elf_kind(re->elf)) {
7100         case ELF_K_NONE:
7101                 warnx("Not an ELF file.");
7102                 return;
7103         case ELF_K_ELF:
7104                 dump_elf(re);
7105                 break;
7106         case ELF_K_AR:
7107                 dump_ar(re, fd);
7108                 break;
7109         default:
7110                 warnx("Internal: libelf returned unknown elf kind.");
7111                 return;
7112         }
7113
7114         elf_end(re->elf);
7115 }
7116
7117 static void
7118 add_dumpop(struct readelf *re, size_t si, const char *sn, int op, int t)
7119 {
7120         struct dumpop *d;
7121
7122         if ((d = find_dumpop(re, si, sn, -1, t)) == NULL) {
7123                 if ((d = calloc(1, sizeof(*d))) == NULL)
7124                         err(EXIT_FAILURE, "calloc failed");
7125                 if (t == DUMP_BY_INDEX)
7126                         d->u.si = si;
7127                 else
7128                         d->u.sn = sn;
7129                 d->type = t;
7130                 d->op = op;
7131                 STAILQ_INSERT_TAIL(&re->v_dumpop, d, dumpop_list);
7132         } else
7133                 d->op |= op;
7134 }
7135
7136 static struct dumpop *
7137 find_dumpop(struct readelf *re, size_t si, const char *sn, int op, int t)
7138 {
7139         struct dumpop *d;
7140
7141         STAILQ_FOREACH(d, &re->v_dumpop, dumpop_list) {
7142                 if ((op == -1 || op & d->op) &&
7143                     (t == -1 || (unsigned) t == d->type)) {
7144                         if ((d->type == DUMP_BY_INDEX && d->u.si == si) ||
7145                             (d->type == DUMP_BY_NAME && !strcmp(d->u.sn, sn)))
7146                                 return (d);
7147                 }
7148         }
7149
7150         return (NULL);
7151 }
7152
7153 static struct {
7154         const char *ln;
7155         char sn;
7156         int value;
7157 } dwarf_op[] = {
7158         {"rawline", 'l', DW_L},
7159         {"decodedline", 'L', DW_LL},
7160         {"info", 'i', DW_I},
7161         {"abbrev", 'a', DW_A},
7162         {"pubnames", 'p', DW_P},
7163         {"aranges", 'r', DW_R},
7164         {"ranges", 'r', DW_R},
7165         {"Ranges", 'R', DW_RR},
7166         {"macro", 'm', DW_M},
7167         {"frames", 'f', DW_F},
7168         {"frames-interp", 'F', DW_FF},
7169         {"str", 's', DW_S},
7170         {"loc", 'o', DW_O},
7171         {NULL, 0, 0}
7172 };
7173
7174 static void
7175 parse_dwarf_op_short(struct readelf *re, const char *op)
7176 {
7177         int i;
7178
7179         if (op == NULL) {
7180                 re->dop |= DW_DEFAULT_OPTIONS;
7181                 return;
7182         }
7183
7184         for (; *op != '\0'; op++) {
7185                 for (i = 0; dwarf_op[i].ln != NULL; i++) {
7186                         if (dwarf_op[i].sn == *op) {
7187                                 re->dop |= dwarf_op[i].value;
7188                                 break;
7189                         }
7190                 }
7191         }
7192 }
7193
7194 static void
7195 parse_dwarf_op_long(struct readelf *re, const char *op)
7196 {
7197         char *p, *token, *bp;
7198         int i;
7199
7200         if (op == NULL) {
7201                 re->dop |= DW_DEFAULT_OPTIONS;
7202                 return;
7203         }
7204
7205         if ((p = strdup(op)) == NULL)
7206                 err(EXIT_FAILURE, "strdup failed");
7207         bp = p;
7208
7209         while ((token = strsep(&p, ",")) != NULL) {
7210                 for (i = 0; dwarf_op[i].ln != NULL; i++) {
7211                         if (!strcmp(token, dwarf_op[i].ln)) {
7212                                 re->dop |= dwarf_op[i].value;
7213                                 break;
7214                         }
7215                 }
7216         }
7217
7218         free(bp);
7219 }
7220
7221 static uint64_t
7222 _read_lsb(Elf_Data *d, uint64_t *offsetp, int bytes_to_read)
7223 {
7224         uint64_t ret;
7225         uint8_t *src;
7226
7227         src = (uint8_t *) d->d_buf + *offsetp;
7228
7229         ret = 0;
7230         switch (bytes_to_read) {
7231         case 8:
7232                 ret |= ((uint64_t) src[4]) << 32 | ((uint64_t) src[5]) << 40;
7233                 ret |= ((uint64_t) src[6]) << 48 | ((uint64_t) src[7]) << 56;
7234         case 4:
7235                 ret |= ((uint64_t) src[2]) << 16 | ((uint64_t) src[3]) << 24;
7236         case 2:
7237                 ret |= ((uint64_t) src[1]) << 8;
7238         case 1:
7239                 ret |= src[0];
7240                 break;
7241         default:
7242                 return (0);
7243         }
7244
7245         *offsetp += bytes_to_read;
7246
7247         return (ret);
7248 }
7249
7250 static uint64_t
7251 _read_msb(Elf_Data *d, uint64_t *offsetp, int bytes_to_read)
7252 {
7253         uint64_t ret;
7254         uint8_t *src;
7255
7256         src = (uint8_t *) d->d_buf + *offsetp;
7257
7258         switch (bytes_to_read) {
7259         case 1:
7260                 ret = src[0];
7261                 break;
7262         case 2:
7263                 ret = src[1] | ((uint64_t) src[0]) << 8;
7264                 break;
7265         case 4:
7266                 ret = src[3] | ((uint64_t) src[2]) << 8;
7267                 ret |= ((uint64_t) src[1]) << 16 | ((uint64_t) src[0]) << 24;
7268                 break;
7269         case 8:
7270                 ret = src[7] | ((uint64_t) src[6]) << 8;
7271                 ret |= ((uint64_t) src[5]) << 16 | ((uint64_t) src[4]) << 24;
7272                 ret |= ((uint64_t) src[3]) << 32 | ((uint64_t) src[2]) << 40;
7273                 ret |= ((uint64_t) src[1]) << 48 | ((uint64_t) src[0]) << 56;
7274                 break;
7275         default:
7276                 return (0);
7277         }
7278
7279         *offsetp += bytes_to_read;
7280
7281         return (ret);
7282 }
7283
7284 static uint64_t
7285 _decode_lsb(uint8_t **data, int bytes_to_read)
7286 {
7287         uint64_t ret;
7288         uint8_t *src;
7289
7290         src = *data;
7291
7292         ret = 0;
7293         switch (bytes_to_read) {
7294         case 8:
7295                 ret |= ((uint64_t) src[4]) << 32 | ((uint64_t) src[5]) << 40;
7296                 ret |= ((uint64_t) src[6]) << 48 | ((uint64_t) src[7]) << 56;
7297         case 4:
7298                 ret |= ((uint64_t) src[2]) << 16 | ((uint64_t) src[3]) << 24;
7299         case 2:
7300                 ret |= ((uint64_t) src[1]) << 8;
7301         case 1:
7302                 ret |= src[0];
7303                 break;
7304         default:
7305                 return (0);
7306         }
7307
7308         *data += bytes_to_read;
7309
7310         return (ret);
7311 }
7312
7313 static uint64_t
7314 _decode_msb(uint8_t **data, int bytes_to_read)
7315 {
7316         uint64_t ret;
7317         uint8_t *src;
7318
7319         src = *data;
7320
7321         ret = 0;
7322         switch (bytes_to_read) {
7323         case 1:
7324                 ret = src[0];
7325                 break;
7326         case 2:
7327                 ret = src[1] | ((uint64_t) src[0]) << 8;
7328                 break;
7329         case 4:
7330                 ret = src[3] | ((uint64_t) src[2]) << 8;
7331                 ret |= ((uint64_t) src[1]) << 16 | ((uint64_t) src[0]) << 24;
7332                 break;
7333         case 8:
7334                 ret = src[7] | ((uint64_t) src[6]) << 8;
7335                 ret |= ((uint64_t) src[5]) << 16 | ((uint64_t) src[4]) << 24;
7336                 ret |= ((uint64_t) src[3]) << 32 | ((uint64_t) src[2]) << 40;
7337                 ret |= ((uint64_t) src[1]) << 48 | ((uint64_t) src[0]) << 56;
7338                 break;
7339         default:
7340                 return (0);
7341                 break;
7342         }
7343
7344         *data += bytes_to_read;
7345
7346         return (ret);
7347 }
7348
7349 static int64_t
7350 _decode_sleb128(uint8_t **dp)
7351 {
7352         int64_t ret = 0;
7353         uint8_t b;
7354         int shift = 0;
7355
7356         uint8_t *src = *dp;
7357
7358         do {
7359                 b = *src++;
7360                 ret |= ((b & 0x7f) << shift);
7361                 shift += 7;
7362         } while ((b & 0x80) != 0);
7363
7364         if (shift < 32 && (b & 0x40) != 0)
7365                 ret |= (-1 << shift);
7366
7367         *dp = src;
7368
7369         return (ret);
7370 }
7371
7372 static uint64_t
7373 _decode_uleb128(uint8_t **dp)
7374 {
7375         uint64_t ret = 0;
7376         uint8_t b;
7377         int shift = 0;
7378
7379         uint8_t *src = *dp;
7380
7381         do {
7382                 b = *src++;
7383                 ret |= ((b & 0x7f) << shift);
7384                 shift += 7;
7385         } while ((b & 0x80) != 0);
7386
7387         *dp = src;
7388
7389         return (ret);
7390 }
7391
7392 static void
7393 readelf_version(void)
7394 {
7395         (void) printf("%s (%s)\n", ELFTC_GETPROGNAME(),
7396             elftc_version());
7397         exit(EXIT_SUCCESS);
7398 }
7399
7400 #define USAGE_MESSAGE   "\
7401 Usage: %s [options] file...\n\
7402   Display information about ELF objects and ar(1) archives.\n\n\
7403   Options:\n\
7404   -a | --all               Equivalent to specifying options '-dhIlrsASV'.\n\
7405   -c | --archive-index     Print the archive symbol table for archives.\n\
7406   -d | --dynamic           Print the contents of SHT_DYNAMIC sections.\n\
7407   -e | --headers           Print all headers in the object.\n\
7408   -g | --section-groups    Print the contents of the section groups.\n\
7409   -h | --file-header       Print the file header for the object.\n\
7410   -l | --program-headers   Print the PHDR table for the object.\n\
7411   -n | --notes             Print the contents of SHT_NOTE sections.\n\
7412   -p INDEX | --string-dump=INDEX\n\
7413                            Print the contents of section at index INDEX.\n\
7414   -r | --relocs            Print relocation information.\n\
7415   -s | --syms | --symbols  Print symbol tables.\n\
7416   -t | --section-details   Print additional information about sections.\n\
7417   -v | --version           Print a version identifier and exit.\n\
7418   -x INDEX | --hex-dump=INDEX\n\
7419                            Display contents of a section as hexadecimal.\n\
7420   -A | --arch-specific     (accepted, but ignored)\n\
7421   -D | --use-dynamic       Print the symbol table specified by the DT_SYMTAB\n\
7422                            entry in the \".dynamic\" section.\n\
7423   -H | --help              Print a help message.\n\
7424   -I | --histogram         Print information on bucket list lengths for \n\
7425                            hash sections.\n\
7426   -N | --full-section-name (accepted, but ignored)\n\
7427   -S | --sections | --section-headers\n\
7428                            Print information about section headers.\n\
7429   -V | --version-info      Print symbol versoning information.\n\
7430   -W | --wide              Print information without wrapping long lines.\n"
7431
7432
7433 static void
7434 readelf_usage(void)
7435 {
7436         fprintf(stderr, USAGE_MESSAGE, ELFTC_GETPROGNAME());
7437         exit(EXIT_FAILURE);
7438 }
7439
7440 int
7441 main(int argc, char **argv)
7442 {
7443         struct readelf  *re, re_storage;
7444         unsigned long    si;
7445         int              opt, i;
7446         char            *ep;
7447
7448         re = &re_storage;
7449         memset(re, 0, sizeof(*re));
7450         STAILQ_INIT(&re->v_dumpop);
7451
7452         while ((opt = getopt_long(argc, argv, "AacDdegHhIi:lNnp:rSstuVvWw::x:",
7453             longopts, NULL)) != -1) {
7454                 switch(opt) {
7455                 case '?':
7456                         readelf_usage();
7457                         break;
7458                 case 'A':
7459                         re->options |= RE_AA;
7460                         break;
7461                 case 'a':
7462                         re->options |= RE_AA | RE_D | RE_G | RE_H | RE_II |
7463                             RE_L | RE_R | RE_SS | RE_S | RE_VV;
7464                         break;
7465                 case 'c':
7466                         re->options |= RE_C;
7467                         break;
7468                 case 'D':
7469                         re->options |= RE_DD;
7470                         break;
7471                 case 'd':
7472                         re->options |= RE_D;
7473                         break;
7474                 case 'e':
7475                         re->options |= RE_H | RE_L | RE_SS;
7476                         break;
7477                 case 'g':
7478                         re->options |= RE_G;
7479                         break;
7480                 case 'H':
7481                         readelf_usage();
7482                         break;
7483                 case 'h':
7484                         re->options |= RE_H;
7485                         break;
7486                 case 'I':
7487                         re->options |= RE_II;
7488                         break;
7489                 case 'i':
7490                         /* Not implemented yet. */
7491                         break;
7492                 case 'l':
7493                         re->options |= RE_L;
7494                         break;
7495                 case 'N':
7496                         re->options |= RE_NN;
7497                         break;
7498                 case 'n':
7499                         re->options |= RE_N;
7500                         break;
7501                 case 'p':
7502                         re->options |= RE_P;
7503                         si = strtoul(optarg, &ep, 10);
7504                         if (*ep == '\0')
7505                                 add_dumpop(re, (size_t) si, NULL, STR_DUMP,
7506                                     DUMP_BY_INDEX);
7507                         else
7508                                 add_dumpop(re, 0, optarg, STR_DUMP,
7509                                     DUMP_BY_NAME);
7510                         break;
7511                 case 'r':
7512                         re->options |= RE_R;
7513                         break;
7514                 case 'S':
7515                         re->options |= RE_SS;
7516                         break;
7517                 case 's':
7518                         re->options |= RE_S;
7519                         break;
7520                 case 't':
7521                         re->options |= RE_T;
7522                         break;
7523                 case 'u':
7524                         re->options |= RE_U;
7525                         break;
7526                 case 'V':
7527                         re->options |= RE_VV;
7528                         break;
7529                 case 'v':
7530                         readelf_version();
7531                         break;
7532                 case 'W':
7533                         re->options |= RE_WW;
7534                         break;
7535                 case 'w':
7536                         re->options |= RE_W;
7537                         parse_dwarf_op_short(re, optarg);
7538                         break;
7539                 case 'x':
7540                         re->options |= RE_X;
7541                         si = strtoul(optarg, &ep, 10);
7542                         if (*ep == '\0')
7543                                 add_dumpop(re, (size_t) si, NULL, HEX_DUMP,
7544                                     DUMP_BY_INDEX);
7545                         else
7546                                 add_dumpop(re, 0, optarg, HEX_DUMP,
7547                                     DUMP_BY_NAME);
7548                         break;
7549                 case OPTION_DEBUG_DUMP:
7550                         re->options |= RE_W;
7551                         parse_dwarf_op_long(re, optarg);
7552                 }
7553         }
7554
7555         argv += optind;
7556         argc -= optind;
7557
7558         if (argc == 0 || re->options == 0)
7559                 readelf_usage();
7560
7561         if (argc > 1)
7562                 re->flags |= DISPLAY_FILENAME;
7563
7564         if (elf_version(EV_CURRENT) == EV_NONE)
7565                 errx(EXIT_FAILURE, "ELF library initialization failed: %s",
7566                     elf_errmsg(-1));
7567
7568         for (i = 0; i < argc; i++) {
7569                 re->filename = argv[i];
7570                 dump_object(re);
7571         }
7572
7573         exit(EXIT_SUCCESS);
7574 }