2 * Copyright (c) 2009-2015 Kai Wang
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
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
27 #include <sys/param.h>
28 #include <sys/queue.h>
50 ELFTC_VCSID("$Id: readelf.c 3649 2018-11-24 03:26:23Z emaste $");
52 /* Backwards compatability for older FreeBSD releases. */
53 #ifndef STB_GNU_UNIQUE
54 #define STB_GNU_UNIQUE 10
56 #ifndef STT_SPARC_REGISTER
57 #define STT_SPARC_REGISTER 13
64 #define RE_AA 0x00000001
65 #define RE_C 0x00000002
66 #define RE_DD 0x00000004
67 #define RE_D 0x00000008
68 #define RE_G 0x00000010
69 #define RE_H 0x00000020
70 #define RE_II 0x00000040
71 #define RE_I 0x00000080
72 #define RE_L 0x00000100
73 #define RE_NN 0x00000200
74 #define RE_N 0x00000400
75 #define RE_P 0x00000800
76 #define RE_R 0x00001000
77 #define RE_SS 0x00002000
78 #define RE_S 0x00004000
79 #define RE_T 0x00008000
80 #define RE_U 0x00010000
81 #define RE_VV 0x00020000
82 #define RE_WW 0x00040000
83 #define RE_W 0x00080000
84 #define RE_X 0x00100000
89 #define DW_A 0x00000001
90 #define DW_FF 0x00000002
91 #define DW_F 0x00000004
92 #define DW_I 0x00000008
93 #define DW_LL 0x00000010
94 #define DW_L 0x00000020
95 #define DW_M 0x00000040
96 #define DW_O 0x00000080
97 #define DW_P 0x00000100
98 #define DW_RR 0x00000200
99 #define DW_R 0x00000400
100 #define DW_S 0x00000800
102 #define DW_DEFAULT_OPTIONS (DW_A | DW_F | DW_I | DW_L | DW_O | DW_P | \
106 * readelf(1) run control flags.
108 #define DISPLAY_FILENAME 0x0001
111 * Internal data structure for sections.
114 const char *name; /* section name */
115 Elf_Scn *scn; /* section scn */
116 uint64_t off; /* section offset */
117 uint64_t sz; /* section size */
118 uint64_t entsize; /* section entsize */
119 uint64_t align; /* section alignment */
120 uint64_t type; /* section type */
121 uint64_t flags; /* section flags */
122 uint64_t addr; /* section virtual addr */
123 uint32_t link; /* section link ndx */
124 uint32_t info; /* section info ndx */
129 size_t si; /* section index */
130 const char *sn; /* section name */
135 } type; /* dump type */
136 #define HEX_DUMP 0x0001
137 #define STR_DUMP 0x0002
138 int op; /* dump operation */
139 STAILQ_ENTRY(dumpop) dumpop_list;
148 * Structure encapsulates the global data for readelf(1).
151 const char *filename; /* current processing file. */
152 int options; /* command line options. */
153 int flags; /* run control flags. */
154 int dop; /* dwarf dump options. */
155 Elf *elf; /* underlying ELF descriptor. */
156 Elf *ar; /* archive ELF descriptor. */
157 Dwarf_Debug dbg; /* DWARF handle. */
158 Dwarf_Half cu_psize; /* DWARF CU pointer size. */
159 Dwarf_Half cu_osize; /* DWARF CU offset size. */
160 Dwarf_Half cu_ver; /* DWARF CU version. */
161 GElf_Ehdr ehdr; /* ELF header. */
162 int ec; /* ELF class. */
163 size_t shnum; /* #sections. */
164 struct section *vd_s; /* Verdef section. */
165 struct section *vn_s; /* Verneed section. */
166 struct section *vs_s; /* Versym section. */
167 uint16_t *vs; /* Versym array. */
168 int vs_sz; /* Versym array size. */
169 struct symver *ver; /* Version array. */
170 int ver_sz; /* Size of version array. */
171 struct section *sl; /* list of sections. */
172 STAILQ_HEAD(, dumpop) v_dumpop; /* list of dump ops. */
173 uint64_t (*dw_read)(Elf_Data *, uint64_t *, int);
174 uint64_t (*dw_decode)(uint8_t **, int);
182 static struct option longopts[] = {
183 {"all", no_argument, NULL, 'a'},
184 {"arch-specific", no_argument, NULL, 'A'},
185 {"archive-index", no_argument, NULL, 'c'},
186 {"debug-dump", optional_argument, NULL, OPTION_DEBUG_DUMP},
187 {"dynamic", no_argument, NULL, 'd'},
188 {"file-header", no_argument, NULL, 'h'},
189 {"full-section-name", no_argument, NULL, 'N'},
190 {"headers", no_argument, NULL, 'e'},
191 {"help", no_argument, 0, 'H'},
192 {"hex-dump", required_argument, NULL, 'x'},
193 {"histogram", no_argument, NULL, 'I'},
194 {"notes", no_argument, NULL, 'n'},
195 {"program-headers", no_argument, NULL, 'l'},
196 {"relocs", no_argument, NULL, 'r'},
197 {"sections", no_argument, NULL, 'S'},
198 {"section-headers", no_argument, NULL, 'S'},
199 {"section-groups", no_argument, NULL, 'g'},
200 {"section-details", no_argument, NULL, 't'},
201 {"segments", no_argument, NULL, 'l'},
202 {"string-dump", required_argument, NULL, 'p'},
203 {"symbols", no_argument, NULL, 's'},
204 {"syms", no_argument, NULL, 's'},
205 {"unwind", no_argument, NULL, 'u'},
206 {"use-dynamic", no_argument, NULL, 'D'},
207 {"version-info", no_argument, 0, 'V'},
208 {"version", no_argument, 0, 'v'},
209 {"wide", no_argument, 0, 'W'},
229 Dwarf_Attribute la_at;
230 Dwarf_Unsigned la_off;
231 Dwarf_Unsigned la_lowpc;
232 Dwarf_Half la_cu_psize;
233 Dwarf_Half la_cu_osize;
234 Dwarf_Half la_cu_ver;
237 static void add_dumpop(struct readelf *re, size_t si, const char *sn, int op,
239 static const char *aeabi_adv_simd_arch(uint64_t simd);
240 static const char *aeabi_align_needed(uint64_t an);
241 static const char *aeabi_align_preserved(uint64_t ap);
242 static const char *aeabi_arm_isa(uint64_t ai);
243 static const char *aeabi_cpu_arch(uint64_t arch);
244 static const char *aeabi_cpu_arch_profile(uint64_t pf);
245 static const char *aeabi_div(uint64_t du);
246 static const char *aeabi_enum_size(uint64_t es);
247 static const char *aeabi_fp_16bit_format(uint64_t fp16);
248 static const char *aeabi_fp_arch(uint64_t fp);
249 static const char *aeabi_fp_denormal(uint64_t fd);
250 static const char *aeabi_fp_exceptions(uint64_t fe);
251 static const char *aeabi_fp_hpext(uint64_t fh);
252 static const char *aeabi_fp_number_model(uint64_t fn);
253 static const char *aeabi_fp_optm_goal(uint64_t fog);
254 static const char *aeabi_fp_rounding(uint64_t fr);
255 static const char *aeabi_hardfp(uint64_t hfp);
256 static const char *aeabi_mpext(uint64_t mp);
257 static const char *aeabi_optm_goal(uint64_t og);
258 static const char *aeabi_pcs_config(uint64_t pcs);
259 static const char *aeabi_pcs_got(uint64_t got);
260 static const char *aeabi_pcs_r9(uint64_t r9);
261 static const char *aeabi_pcs_ro(uint64_t ro);
262 static const char *aeabi_pcs_rw(uint64_t rw);
263 static const char *aeabi_pcs_wchar_t(uint64_t wt);
264 static const char *aeabi_t2ee(uint64_t t2ee);
265 static const char *aeabi_thumb_isa(uint64_t ti);
266 static const char *aeabi_fp_user_exceptions(uint64_t fu);
267 static const char *aeabi_unaligned_access(uint64_t ua);
268 static const char *aeabi_vfp_args(uint64_t va);
269 static const char *aeabi_virtual(uint64_t vt);
270 static const char *aeabi_wmmx_arch(uint64_t wmmx);
271 static const char *aeabi_wmmx_args(uint64_t wa);
272 static const char *elf_class(unsigned int class);
273 static const char *elf_endian(unsigned int endian);
274 static const char *elf_machine(unsigned int mach);
275 static const char *elf_osabi(unsigned int abi);
276 static const char *elf_type(unsigned int type);
277 static const char *elf_ver(unsigned int ver);
278 static const char *dt_type(unsigned int mach, unsigned int dtype);
279 static void dump_ar(struct readelf *re, int);
280 static void dump_arm_attributes(struct readelf *re, uint8_t *p, uint8_t *pe);
281 static void dump_attributes(struct readelf *re);
282 static uint8_t *dump_compatibility_tag(uint8_t *p, uint8_t *pe);
283 static void dump_dwarf(struct readelf *re);
284 static void dump_dwarf_abbrev(struct readelf *re);
285 static void dump_dwarf_aranges(struct readelf *re);
286 static void dump_dwarf_block(struct readelf *re, uint8_t *b,
288 static void dump_dwarf_die(struct readelf *re, Dwarf_Die die, int level);
289 static void dump_dwarf_frame(struct readelf *re, int alt);
290 static void dump_dwarf_frame_inst(struct readelf *re, Dwarf_Cie cie,
291 uint8_t *insts, Dwarf_Unsigned len, Dwarf_Unsigned caf, Dwarf_Signed daf,
292 Dwarf_Addr pc, Dwarf_Debug dbg);
293 static int dump_dwarf_frame_regtable(struct readelf *re, Dwarf_Fde fde,
294 Dwarf_Addr pc, Dwarf_Unsigned func_len, Dwarf_Half cie_ra);
295 static void dump_dwarf_frame_section(struct readelf *re, struct section *s,
297 static void dump_dwarf_info(struct readelf *re, Dwarf_Bool is_info);
298 static void dump_dwarf_macinfo(struct readelf *re);
299 static void dump_dwarf_line(struct readelf *re);
300 static void dump_dwarf_line_decoded(struct readelf *re);
301 static void dump_dwarf_loc(struct readelf *re, Dwarf_Loc *lr);
302 static void dump_dwarf_loclist(struct readelf *re);
303 static void dump_dwarf_pubnames(struct readelf *re);
304 static void dump_dwarf_ranges(struct readelf *re);
305 static void dump_dwarf_ranges_foreach(struct readelf *re, Dwarf_Die die,
307 static void dump_dwarf_str(struct readelf *re);
308 static void dump_eflags(struct readelf *re, uint64_t e_flags);
309 static void dump_elf(struct readelf *re);
310 static void dump_flags(struct flag_desc *fd, uint64_t flags);
311 static void dump_dyn_val(struct readelf *re, GElf_Dyn *dyn, uint32_t stab);
312 static void dump_dynamic(struct readelf *re);
313 static void dump_liblist(struct readelf *re);
314 static void dump_mips_abiflags(struct readelf *re, struct section *s);
315 static void dump_mips_attributes(struct readelf *re, uint8_t *p, uint8_t *pe);
316 static void dump_mips_odk_reginfo(struct readelf *re, uint8_t *p, size_t sz);
317 static void dump_mips_options(struct readelf *re, struct section *s);
318 static void dump_mips_option_flags(const char *name, struct mips_option *opt,
320 static void dump_mips_reginfo(struct readelf *re, struct section *s);
321 static void dump_mips_specific_info(struct readelf *re);
322 static void dump_notes(struct readelf *re);
323 static void dump_notes_content(struct readelf *re, const char *buf, size_t sz,
325 static void dump_notes_data(struct readelf *re, const char *name,
326 uint32_t type, const char *buf, size_t sz);
327 static void dump_svr4_hash(struct section *s);
328 static void dump_svr4_hash64(struct readelf *re, struct section *s);
329 static void dump_gnu_hash(struct readelf *re, struct section *s);
330 static void dump_gnu_property_type_0(struct readelf *re, const char *buf,
332 static void dump_hash(struct readelf *re);
333 static void dump_phdr(struct readelf *re);
334 static void dump_ppc_attributes(uint8_t *p, uint8_t *pe);
335 static void dump_section_groups(struct readelf *re);
336 static void dump_symtab(struct readelf *re, int i);
337 static void dump_symtabs(struct readelf *re);
338 static uint8_t *dump_unknown_tag(uint64_t tag, uint8_t *p, uint8_t *pe);
339 static void dump_ver(struct readelf *re);
340 static void dump_verdef(struct readelf *re, int dump);
341 static void dump_verneed(struct readelf *re, int dump);
342 static void dump_versym(struct readelf *re);
343 static const char *dwarf_reg(unsigned int mach, unsigned int reg);
344 static const char *dwarf_regname(struct readelf *re, unsigned int num);
345 static struct dumpop *find_dumpop(struct readelf *re, size_t si,
346 const char *sn, int op, int t);
347 static int get_ent_count(struct section *s, int *ent_count);
348 static int get_mips_register_size(uint8_t flag);
349 static char *get_regoff_str(struct readelf *re, Dwarf_Half reg,
351 static const char *get_string(struct readelf *re, int strtab, size_t off);
352 static const char *get_symbol_name(struct readelf *re, int symtab, int i);
353 static uint64_t get_symbol_value(struct readelf *re, int symtab, int i);
354 static void load_sections(struct readelf *re);
355 static int loc_at_comparator(const void *la1, const void *la2);
356 static const char *mips_abi_fp(uint64_t fp);
357 static const char *note_type(const char *note_name, unsigned int et,
359 static const char *note_type_freebsd(unsigned int nt);
360 static const char *note_type_freebsd_core(unsigned int nt);
361 static const char *note_type_linux_core(unsigned int nt);
362 static const char *note_type_gnu(unsigned int nt);
363 static const char *note_type_netbsd(unsigned int nt);
364 static const char *note_type_openbsd(unsigned int nt);
365 static const char *note_type_unknown(unsigned int nt);
366 static const char *note_type_xen(unsigned int nt);
367 static const char *option_kind(uint8_t kind);
368 static const char *phdr_type(unsigned int mach, unsigned int ptype);
369 static const char *ppc_abi_fp(uint64_t fp);
370 static const char *ppc_abi_vector(uint64_t vec);
371 static void readelf_usage(int status);
372 static void readelf_version(void);
373 static void search_loclist_at(struct readelf *re, Dwarf_Die die,
374 Dwarf_Unsigned lowpc, struct loc_at **la_list,
375 size_t *la_list_len, size_t *la_list_cap);
376 static void search_ver(struct readelf *re);
377 static const char *section_type(unsigned int mach, unsigned int stype);
378 static void set_cu_context(struct readelf *re, Dwarf_Half psize,
379 Dwarf_Half osize, Dwarf_Half ver);
380 static const char *st_bind(unsigned int sbind);
381 static const char *st_shndx(unsigned int shndx);
382 static const char *st_type(unsigned int mach, unsigned int os,
384 static const char *st_vis(unsigned int svis);
385 static const char *top_tag(unsigned int tag);
386 static void unload_sections(struct readelf *re);
387 static uint64_t _read_lsb(Elf_Data *d, uint64_t *offsetp,
389 static uint64_t _read_msb(Elf_Data *d, uint64_t *offsetp,
391 static uint64_t _decode_lsb(uint8_t **data, int bytes_to_read);
392 static uint64_t _decode_msb(uint8_t **data, int bytes_to_read);
393 static int64_t _decode_sleb128(uint8_t **dp, uint8_t *dpe);
394 static uint64_t _decode_uleb128(uint8_t **dp, uint8_t *dpe);
396 static struct eflags_desc arm_eflags_desc[] = {
397 {EF_ARM_RELEXEC, "relocatable executable"},
398 {EF_ARM_HASENTRY, "has entry point"},
399 {EF_ARM_SYMSARESORTED, "sorted symbol tables"},
400 {EF_ARM_DYNSYMSUSESEGIDX, "dynamic symbols use segment index"},
401 {EF_ARM_MAPSYMSFIRST, "mapping symbols precede others"},
404 {EF_ARM_INTERWORK, "interworking enabled"},
405 {EF_ARM_APCS_26, "uses APCS/26"},
406 {EF_ARM_APCS_FLOAT, "uses APCS/float"},
407 {EF_ARM_PIC, "position independent"},
408 {EF_ARM_ALIGN8, "8 bit structure alignment"},
409 {EF_ARM_NEW_ABI, "uses new ABI"},
410 {EF_ARM_OLD_ABI, "uses old ABI"},
411 {EF_ARM_SOFT_FLOAT, "software FP"},
412 {EF_ARM_VFP_FLOAT, "VFP"},
413 {EF_ARM_MAVERICK_FLOAT, "Maverick FP"},
417 static struct eflags_desc mips_eflags_desc[] = {
418 {EF_MIPS_NOREORDER, "noreorder"},
419 {EF_MIPS_PIC, "pic"},
420 {EF_MIPS_CPIC, "cpic"},
421 {EF_MIPS_UCODE, "ugen_reserved"},
422 {EF_MIPS_ABI2, "abi2"},
423 {EF_MIPS_OPTIONS_FIRST, "odk first"},
424 {EF_MIPS_ARCH_ASE_MDMX, "mdmx"},
425 {EF_MIPS_ARCH_ASE_M16, "mips16"},
429 static struct eflags_desc powerpc_eflags_desc[] = {
431 {EF_PPC_RELOCATABLE, "relocatable"},
432 {EF_PPC_RELOCATABLE_LIB, "relocatable-lib"},
436 static struct eflags_desc riscv_eflags_desc[] = {
437 {EF_RISCV_RVC, "RVC"},
438 {EF_RISCV_RVE, "RVE"},
439 {EF_RISCV_TSO, "TSO"},
443 static struct eflags_desc sparc_eflags_desc[] = {
444 {EF_SPARC_32PLUS, "v8+"},
445 {EF_SPARC_SUN_US1, "ultrasparcI"},
446 {EF_SPARC_HAL_R1, "halr1"},
447 {EF_SPARC_SUN_US3, "ultrasparcIII"},
452 elf_osabi(unsigned int abi)
454 static char s_abi[32];
457 case ELFOSABI_NONE: return "NONE";
458 case ELFOSABI_HPUX: return "HPUX";
459 case ELFOSABI_NETBSD: return "NetBSD";
460 case ELFOSABI_GNU: return "GNU";
461 case ELFOSABI_HURD: return "HURD";
462 case ELFOSABI_86OPEN: return "86OPEN";
463 case ELFOSABI_SOLARIS: return "Solaris";
464 case ELFOSABI_AIX: return "AIX";
465 case ELFOSABI_IRIX: return "IRIX";
466 case ELFOSABI_FREEBSD: return "FreeBSD";
467 case ELFOSABI_TRU64: return "TRU64";
468 case ELFOSABI_MODESTO: return "MODESTO";
469 case ELFOSABI_OPENBSD: return "OpenBSD";
470 case ELFOSABI_OPENVMS: return "OpenVMS";
471 case ELFOSABI_NSK: return "NSK";
472 case ELFOSABI_CLOUDABI: return "CloudABI";
473 case ELFOSABI_ARM_AEABI: return "ARM EABI";
474 case ELFOSABI_ARM: return "ARM";
475 case ELFOSABI_STANDALONE: return "StandAlone";
477 snprintf(s_abi, sizeof(s_abi), "<unknown: %#x>", abi);
483 elf_machine(unsigned int mach)
485 static char s_mach[32];
488 case EM_NONE: return "Unknown machine";
489 case EM_M32: return "AT&T WE32100";
490 case EM_SPARC: return "Sun SPARC";
491 case EM_386: return "Intel i386";
492 case EM_68K: return "Motorola 68000";
493 case EM_IAMCU: return "Intel MCU";
494 case EM_88K: return "Motorola 88000";
495 case EM_860: return "Intel i860";
496 case EM_MIPS: return "MIPS R3000 Big-Endian only";
497 case EM_S370: return "IBM System/370";
498 case EM_MIPS_RS3_LE: return "MIPS R3000 Little-Endian";
499 case EM_PARISC: return "HP PA-RISC";
500 case EM_VPP500: return "Fujitsu VPP500";
501 case EM_SPARC32PLUS: return "SPARC v8plus";
502 case EM_960: return "Intel 80960";
503 case EM_PPC: return "PowerPC 32-bit";
504 case EM_PPC64: return "PowerPC 64-bit";
505 case EM_S390: return "IBM System/390";
506 case EM_V800: return "NEC V800";
507 case EM_FR20: return "Fujitsu FR20";
508 case EM_RH32: return "TRW RH-32";
509 case EM_RCE: return "Motorola RCE";
510 case EM_ARM: return "ARM";
511 case EM_SH: return "Hitachi SH";
512 case EM_SPARCV9: return "SPARC v9 64-bit";
513 case EM_TRICORE: return "Siemens TriCore embedded processor";
514 case EM_ARC: return "Argonaut RISC Core";
515 case EM_H8_300: return "Hitachi H8/300";
516 case EM_H8_300H: return "Hitachi H8/300H";
517 case EM_H8S: return "Hitachi H8S";
518 case EM_H8_500: return "Hitachi H8/500";
519 case EM_IA_64: return "Intel IA-64 Processor";
520 case EM_MIPS_X: return "Stanford MIPS-X";
521 case EM_COLDFIRE: return "Motorola ColdFire";
522 case EM_68HC12: return "Motorola M68HC12";
523 case EM_MMA: return "Fujitsu MMA";
524 case EM_PCP: return "Siemens PCP";
525 case EM_NCPU: return "Sony nCPU";
526 case EM_NDR1: return "Denso NDR1 microprocessor";
527 case EM_STARCORE: return "Motorola Star*Core processor";
528 case EM_ME16: return "Toyota ME16 processor";
529 case EM_ST100: return "STMicroelectronics ST100 processor";
530 case EM_TINYJ: return "Advanced Logic Corp. TinyJ processor";
531 case EM_X86_64: return "Advanced Micro Devices x86-64";
532 case EM_PDSP: return "Sony DSP Processor";
533 case EM_FX66: return "Siemens FX66 microcontroller";
534 case EM_ST9PLUS: return "STMicroelectronics ST9+ 8/16 microcontroller";
535 case EM_ST7: return "STmicroelectronics ST7 8-bit microcontroller";
536 case EM_68HC16: return "Motorola MC68HC16 microcontroller";
537 case EM_68HC11: return "Motorola MC68HC11 microcontroller";
538 case EM_68HC08: return "Motorola MC68HC08 microcontroller";
539 case EM_68HC05: return "Motorola MC68HC05 microcontroller";
540 case EM_SVX: return "Silicon Graphics SVx";
541 case EM_ST19: return "STMicroelectronics ST19 8-bit mc";
542 case EM_VAX: return "Digital VAX";
543 case EM_CRIS: return "Axis Communications 32-bit embedded processor";
544 case EM_JAVELIN: return "Infineon Tech. 32bit embedded processor";
545 case EM_FIREPATH: return "Element 14 64-bit DSP Processor";
546 case EM_ZSP: return "LSI Logic 16-bit DSP Processor";
547 case EM_MMIX: return "Donald Knuth's educational 64-bit proc";
548 case EM_HUANY: return "Harvard University MI object files";
549 case EM_PRISM: return "SiTera Prism";
550 case EM_AVR: return "Atmel AVR 8-bit microcontroller";
551 case EM_FR30: return "Fujitsu FR30";
552 case EM_D10V: return "Mitsubishi D10V";
553 case EM_D30V: return "Mitsubishi D30V";
554 case EM_V850: return "NEC v850";
555 case EM_M32R: return "Mitsubishi M32R";
556 case EM_MN10300: return "Matsushita MN10300";
557 case EM_MN10200: return "Matsushita MN10200";
558 case EM_PJ: return "picoJava";
559 case EM_OPENRISC: return "OpenRISC 32-bit embedded processor";
560 case EM_ARC_A5: return "ARC Cores Tangent-A5";
561 case EM_XTENSA: return "Tensilica Xtensa Architecture";
562 case EM_VIDEOCORE: return "Alphamosaic VideoCore processor";
563 case EM_TMM_GPP: return "Thompson Multimedia General Purpose Processor";
564 case EM_NS32K: return "National Semiconductor 32000 series";
565 case EM_TPC: return "Tenor Network TPC processor";
566 case EM_SNP1K: return "Trebia SNP 1000 processor";
567 case EM_ST200: return "STMicroelectronics ST200 microcontroller";
568 case EM_IP2K: return "Ubicom IP2xxx microcontroller family";
569 case EM_MAX: return "MAX Processor";
570 case EM_CR: return "National Semiconductor CompactRISC microprocessor";
571 case EM_F2MC16: return "Fujitsu F2MC16";
572 case EM_MSP430: return "TI embedded microcontroller msp430";
573 case EM_BLACKFIN: return "Analog Devices Blackfin (DSP) processor";
574 case EM_SE_C33: return "S1C33 Family of Seiko Epson processors";
575 case EM_SEP: return "Sharp embedded microprocessor";
576 case EM_ARCA: return "Arca RISC Microprocessor";
577 case EM_UNICORE: return "Microprocessor series from PKU-Unity Ltd";
578 case EM_AARCH64: return "AArch64";
579 case EM_RISCV: return "RISC-V";
581 snprintf(s_mach, sizeof(s_mach), "<unknown: %#x>", mach);
588 elf_class(unsigned int class)
590 static char s_class[32];
593 case ELFCLASSNONE: return "none";
594 case ELFCLASS32: return "ELF32";
595 case ELFCLASS64: return "ELF64";
597 snprintf(s_class, sizeof(s_class), "<unknown: %#x>", class);
603 elf_endian(unsigned int endian)
605 static char s_endian[32];
608 case ELFDATANONE: return "none";
609 case ELFDATA2LSB: return "2's complement, little endian";
610 case ELFDATA2MSB: return "2's complement, big endian";
612 snprintf(s_endian, sizeof(s_endian), "<unknown: %#x>", endian);
618 elf_type(unsigned int type)
620 static char s_type[32];
623 case ET_NONE: return "NONE (None)";
624 case ET_REL: return "REL (Relocatable file)";
625 case ET_EXEC: return "EXEC (Executable file)";
626 case ET_DYN: return "DYN (Shared object file)";
627 case ET_CORE: return "CORE (Core file)";
629 if (type >= ET_LOPROC)
630 snprintf(s_type, sizeof(s_type), "<proc: %#x>", type);
631 else if (type >= ET_LOOS && type <= ET_HIOS)
632 snprintf(s_type, sizeof(s_type), "<os: %#x>", type);
634 snprintf(s_type, sizeof(s_type), "<unknown: %#x>",
641 elf_ver(unsigned int ver)
643 static char s_ver[32];
646 case EV_CURRENT: return "(current)";
647 case EV_NONE: return "(none)";
649 snprintf(s_ver, sizeof(s_ver), "<unknown: %#x>",
656 phdr_type(unsigned int mach, unsigned int ptype)
658 static char s_ptype[32];
660 if (ptype >= PT_LOPROC && ptype <= PT_HIPROC) {
664 case PT_ARM_ARCHEXT: return "ARM_ARCHEXT";
665 case PT_ARM_EXIDX: return "ARM_EXIDX";
669 snprintf(s_ptype, sizeof(s_ptype), "LOPROC+%#x",
675 case PT_NULL: return "NULL";
676 case PT_LOAD: return "LOAD";
677 case PT_DYNAMIC: return "DYNAMIC";
678 case PT_INTERP: return "INTERP";
679 case PT_NOTE: return "NOTE";
680 case PT_SHLIB: return "SHLIB";
681 case PT_PHDR: return "PHDR";
682 case PT_TLS: return "TLS";
683 case PT_GNU_EH_FRAME: return "GNU_EH_FRAME";
684 case PT_GNU_STACK: return "GNU_STACK";
685 case PT_GNU_RELRO: return "GNU_RELRO";
686 case PT_OPENBSD_RANDOMIZE: return "OPENBSD_RANDOMIZE";
687 case PT_OPENBSD_WXNEEDED: return "OPENBSD_WXNEEDED";
688 case PT_OPENBSD_BOOTDATA: return "OPENBSD_BOOTDATA";
690 if (ptype >= PT_LOOS && ptype <= PT_HIOS)
691 snprintf(s_ptype, sizeof(s_ptype), "LOOS+%#x",
694 snprintf(s_ptype, sizeof(s_ptype), "<unknown: %#x>",
701 section_type(unsigned int mach, unsigned int stype)
703 static char s_stype[32];
705 if (stype >= SHT_LOPROC && stype <= SHT_HIPROC) {
709 case SHT_ARM_EXIDX: return "ARM_EXIDX";
710 case SHT_ARM_PREEMPTMAP: return "ARM_PREEMPTMAP";
711 case SHT_ARM_ATTRIBUTES: return "ARM_ATTRIBUTES";
712 case SHT_ARM_DEBUGOVERLAY: return "ARM_DEBUGOVERLAY";
713 case SHT_ARM_OVERLAYSECTION: return "ARM_OVERLAYSECTION";
718 case SHT_X86_64_UNWIND: return "X86_64_UNWIND";
726 case SHT_MIPS_LIBLIST: return "MIPS_LIBLIST";
727 case SHT_MIPS_MSYM: return "MIPS_MSYM";
728 case SHT_MIPS_CONFLICT: return "MIPS_CONFLICT";
729 case SHT_MIPS_GPTAB: return "MIPS_GPTAB";
730 case SHT_MIPS_UCODE: return "MIPS_UCODE";
731 case SHT_MIPS_DEBUG: return "MIPS_DEBUG";
732 case SHT_MIPS_REGINFO: return "MIPS_REGINFO";
733 case SHT_MIPS_PACKAGE: return "MIPS_PACKAGE";
734 case SHT_MIPS_PACKSYM: return "MIPS_PACKSYM";
735 case SHT_MIPS_RELD: return "MIPS_RELD";
736 case SHT_MIPS_IFACE: return "MIPS_IFACE";
737 case SHT_MIPS_CONTENT: return "MIPS_CONTENT";
738 case SHT_MIPS_OPTIONS: return "MIPS_OPTIONS";
739 case SHT_MIPS_DELTASYM: return "MIPS_DELTASYM";
740 case SHT_MIPS_DELTAINST: return "MIPS_DELTAINST";
741 case SHT_MIPS_DELTACLASS: return "MIPS_DELTACLASS";
742 case SHT_MIPS_DWARF: return "MIPS_DWARF";
743 case SHT_MIPS_DELTADECL: return "MIPS_DELTADECL";
744 case SHT_MIPS_SYMBOL_LIB: return "MIPS_SYMBOL_LIB";
745 case SHT_MIPS_EVENTS: return "MIPS_EVENTS";
746 case SHT_MIPS_TRANSLATE: return "MIPS_TRANSLATE";
747 case SHT_MIPS_PIXIE: return "MIPS_PIXIE";
748 case SHT_MIPS_XLATE: return "MIPS_XLATE";
749 case SHT_MIPS_XLATE_DEBUG: return "MIPS_XLATE_DEBUG";
750 case SHT_MIPS_WHIRL: return "MIPS_WHIRL";
751 case SHT_MIPS_EH_REGION: return "MIPS_EH_REGION";
752 case SHT_MIPS_XLATE_OLD: return "MIPS_XLATE_OLD";
753 case SHT_MIPS_PDR_EXCEPTION: return "MIPS_PDR_EXCEPTION";
754 case SHT_MIPS_ABIFLAGS: return "MIPS_ABIFLAGS";
763 snprintf(s_stype, sizeof(s_stype), "LOPROC+%#x",
769 case SHT_NULL: return "NULL";
770 case SHT_PROGBITS: return "PROGBITS";
771 case SHT_SYMTAB: return "SYMTAB";
772 case SHT_STRTAB: return "STRTAB";
773 case SHT_RELA: return "RELA";
774 case SHT_HASH: return "HASH";
775 case SHT_DYNAMIC: return "DYNAMIC";
776 case SHT_NOTE: return "NOTE";
777 case SHT_NOBITS: return "NOBITS";
778 case SHT_REL: return "REL";
779 case SHT_SHLIB: return "SHLIB";
780 case SHT_DYNSYM: return "DYNSYM";
781 case SHT_INIT_ARRAY: return "INIT_ARRAY";
782 case SHT_FINI_ARRAY: return "FINI_ARRAY";
783 case SHT_PREINIT_ARRAY: return "PREINIT_ARRAY";
784 case SHT_GROUP: return "GROUP";
785 case SHT_SYMTAB_SHNDX: return "SYMTAB_SHNDX";
786 case SHT_SUNW_dof: return "SUNW_dof";
787 case SHT_SUNW_cap: return "SUNW_cap";
788 case SHT_GNU_HASH: return "GNU_HASH";
789 case SHT_SUNW_ANNOTATE: return "SUNW_ANNOTATE";
790 case SHT_SUNW_DEBUGSTR: return "SUNW_DEBUGSTR";
791 case SHT_SUNW_DEBUG: return "SUNW_DEBUG";
792 case SHT_SUNW_move: return "SUNW_move";
793 case SHT_SUNW_COMDAT: return "SUNW_COMDAT";
794 case SHT_SUNW_syminfo: return "SUNW_syminfo";
795 case SHT_SUNW_verdef: return "SUNW_verdef";
796 case SHT_SUNW_verneed: return "SUNW_verneed";
797 case SHT_SUNW_versym: return "SUNW_versym";
799 if (stype >= SHT_LOOS && stype <= SHT_HIOS)
800 snprintf(s_stype, sizeof(s_stype), "LOOS+%#x",
802 else if (stype >= SHT_LOUSER)
803 snprintf(s_stype, sizeof(s_stype), "LOUSER+%#x",
806 snprintf(s_stype, sizeof(s_stype), "<unknown: %#x>",
813 dt_type(unsigned int mach, unsigned int dtype)
815 static char s_dtype[32];
818 case DT_NULL: return "NULL";
819 case DT_NEEDED: return "NEEDED";
820 case DT_PLTRELSZ: return "PLTRELSZ";
821 case DT_PLTGOT: return "PLTGOT";
822 case DT_HASH: return "HASH";
823 case DT_STRTAB: return "STRTAB";
824 case DT_SYMTAB: return "SYMTAB";
825 case DT_RELA: return "RELA";
826 case DT_RELASZ: return "RELASZ";
827 case DT_RELAENT: return "RELAENT";
828 case DT_STRSZ: return "STRSZ";
829 case DT_SYMENT: return "SYMENT";
830 case DT_INIT: return "INIT";
831 case DT_FINI: return "FINI";
832 case DT_SONAME: return "SONAME";
833 case DT_RPATH: return "RPATH";
834 case DT_SYMBOLIC: return "SYMBOLIC";
835 case DT_REL: return "REL";
836 case DT_RELSZ: return "RELSZ";
837 case DT_RELENT: return "RELENT";
838 case DT_PLTREL: return "PLTREL";
839 case DT_DEBUG: return "DEBUG";
840 case DT_TEXTREL: return "TEXTREL";
841 case DT_JMPREL: return "JMPREL";
842 case DT_BIND_NOW: return "BIND_NOW";
843 case DT_INIT_ARRAY: return "INIT_ARRAY";
844 case DT_FINI_ARRAY: return "FINI_ARRAY";
845 case DT_INIT_ARRAYSZ: return "INIT_ARRAYSZ";
846 case DT_FINI_ARRAYSZ: return "FINI_ARRAYSZ";
847 case DT_RUNPATH: return "RUNPATH";
848 case DT_FLAGS: return "FLAGS";
849 case DT_PREINIT_ARRAY: return "PREINIT_ARRAY";
850 case DT_PREINIT_ARRAYSZ: return "PREINIT_ARRAYSZ";
851 case DT_MAXPOSTAGS: return "MAXPOSTAGS";
852 case DT_SUNW_AUXILIARY: return "SUNW_AUXILIARY";
853 case DT_SUNW_RTLDINF: return "SUNW_RTLDINF";
854 case DT_SUNW_FILTER: return "SUNW_FILTER";
855 case DT_SUNW_CAP: return "SUNW_CAP";
856 case DT_SUNW_ASLR: return "SUNW_ASLR";
857 case DT_CHECKSUM: return "CHECKSUM";
858 case DT_PLTPADSZ: return "PLTPADSZ";
859 case DT_MOVEENT: return "MOVEENT";
860 case DT_MOVESZ: return "MOVESZ";
861 case DT_FEATURE: return "FEATURE";
862 case DT_POSFLAG_1: return "POSFLAG_1";
863 case DT_SYMINSZ: return "SYMINSZ";
864 case DT_SYMINENT: return "SYMINENT";
865 case DT_GNU_HASH: return "GNU_HASH";
866 case DT_TLSDESC_PLT: return "DT_TLSDESC_PLT";
867 case DT_TLSDESC_GOT: return "DT_TLSDESC_GOT";
868 case DT_GNU_CONFLICT: return "GNU_CONFLICT";
869 case DT_GNU_LIBLIST: return "GNU_LIBLIST";
870 case DT_CONFIG: return "CONFIG";
871 case DT_DEPAUDIT: return "DEPAUDIT";
872 case DT_AUDIT: return "AUDIT";
873 case DT_PLTPAD: return "PLTPAD";
874 case DT_MOVETAB: return "MOVETAB";
875 case DT_SYMINFO: return "SYMINFO";
876 case DT_VERSYM: return "VERSYM";
877 case DT_RELACOUNT: return "RELACOUNT";
878 case DT_RELCOUNT: return "RELCOUNT";
879 case DT_FLAGS_1: return "FLAGS_1";
880 case DT_VERDEF: return "VERDEF";
881 case DT_VERDEFNUM: return "VERDEFNUM";
882 case DT_VERNEED: return "VERNEED";
883 case DT_VERNEEDNUM: return "VERNEEDNUM";
884 case DT_AUXILIARY: return "AUXILIARY";
885 case DT_USED: return "USED";
886 case DT_FILTER: return "FILTER";
887 case DT_GNU_PRELINKED: return "GNU_PRELINKED";
888 case DT_GNU_CONFLICTSZ: return "GNU_CONFLICTSZ";
889 case DT_GNU_LIBLISTSZ: return "GNU_LIBLISTSZ";
892 if (dtype >= DT_LOPROC && dtype <= DT_HIPROC) {
896 case DT_ARM_SYMTABSZ:
897 return "ARM_SYMTABSZ";
905 case DT_MIPS_RLD_VERSION:
906 return "MIPS_RLD_VERSION";
907 case DT_MIPS_TIME_STAMP:
908 return "MIPS_TIME_STAMP";
909 case DT_MIPS_ICHECKSUM:
910 return "MIPS_ICHECKSUM";
911 case DT_MIPS_IVERSION:
912 return "MIPS_IVERSION";
915 case DT_MIPS_BASE_ADDRESS:
916 return "MIPS_BASE_ADDRESS";
917 case DT_MIPS_CONFLICT:
918 return "MIPS_CONFLICT";
919 case DT_MIPS_LIBLIST:
920 return "MIPS_LIBLIST";
921 case DT_MIPS_LOCAL_GOTNO:
922 return "MIPS_LOCAL_GOTNO";
923 case DT_MIPS_CONFLICTNO:
924 return "MIPS_CONFLICTNO";
925 case DT_MIPS_LIBLISTNO:
926 return "MIPS_LIBLISTNO";
927 case DT_MIPS_SYMTABNO:
928 return "MIPS_SYMTABNO";
929 case DT_MIPS_UNREFEXTNO:
930 return "MIPS_UNREFEXTNO";
932 return "MIPS_GOTSYM";
933 case DT_MIPS_HIPAGENO:
934 return "MIPS_HIPAGENO";
935 case DT_MIPS_RLD_MAP:
936 return "MIPS_RLD_MAP";
937 case DT_MIPS_DELTA_CLASS:
938 return "MIPS_DELTA_CLASS";
939 case DT_MIPS_DELTA_CLASS_NO:
940 return "MIPS_DELTA_CLASS_NO";
941 case DT_MIPS_DELTA_INSTANCE:
942 return "MIPS_DELTA_INSTANCE";
943 case DT_MIPS_DELTA_INSTANCE_NO:
944 return "MIPS_DELTA_INSTANCE_NO";
945 case DT_MIPS_DELTA_RELOC:
946 return "MIPS_DELTA_RELOC";
947 case DT_MIPS_DELTA_RELOC_NO:
948 return "MIPS_DELTA_RELOC_NO";
949 case DT_MIPS_DELTA_SYM:
950 return "MIPS_DELTA_SYM";
951 case DT_MIPS_DELTA_SYM_NO:
952 return "MIPS_DELTA_SYM_NO";
953 case DT_MIPS_DELTA_CLASSSYM:
954 return "MIPS_DELTA_CLASSSYM";
955 case DT_MIPS_DELTA_CLASSSYM_NO:
956 return "MIPS_DELTA_CLASSSYM_NO";
957 case DT_MIPS_CXX_FLAGS:
958 return "MIPS_CXX_FLAGS";
959 case DT_MIPS_PIXIE_INIT:
960 return "MIPS_PIXIE_INIT";
961 case DT_MIPS_SYMBOL_LIB:
962 return "MIPS_SYMBOL_LIB";
963 case DT_MIPS_LOCALPAGE_GOTIDX:
964 return "MIPS_LOCALPAGE_GOTIDX";
965 case DT_MIPS_LOCAL_GOTIDX:
966 return "MIPS_LOCAL_GOTIDX";
967 case DT_MIPS_HIDDEN_GOTIDX:
968 return "MIPS_HIDDEN_GOTIDX";
969 case DT_MIPS_PROTECTED_GOTIDX:
970 return "MIPS_PROTECTED_GOTIDX";
971 case DT_MIPS_OPTIONS:
972 return "MIPS_OPTIONS";
973 case DT_MIPS_INTERFACE:
974 return "MIPS_INTERFACE";
975 case DT_MIPS_DYNSTR_ALIGN:
976 return "MIPS_DYNSTR_ALIGN";
977 case DT_MIPS_INTERFACE_SIZE:
978 return "MIPS_INTERFACE_SIZE";
979 case DT_MIPS_RLD_TEXT_RESOLVE_ADDR:
980 return "MIPS_RLD_TEXT_RESOLVE_ADDR";
981 case DT_MIPS_PERF_SUFFIX:
982 return "MIPS_PERF_SUFFIX";
983 case DT_MIPS_COMPACT_SIZE:
984 return "MIPS_COMPACT_SIZE";
985 case DT_MIPS_GP_VALUE:
986 return "MIPS_GP_VALUE";
987 case DT_MIPS_AUX_DYNAMIC:
988 return "MIPS_AUX_DYNAMIC";
990 return "MIPS_PLTGOT";
991 case DT_MIPS_RLD_OBJ_UPDATE:
992 return "MIPS_RLD_OBJ_UPDATE";
1000 case EM_SPARC32PLUS:
1003 case DT_SPARC_REGISTER:
1004 return "DT_SPARC_REGISTER";
1014 snprintf(s_dtype, sizeof(s_dtype), "<unknown: %#x>", dtype);
1019 st_bind(unsigned int sbind)
1021 static char s_sbind[32];
1024 case STB_LOCAL: return "LOCAL";
1025 case STB_GLOBAL: return "GLOBAL";
1026 case STB_WEAK: return "WEAK";
1027 case STB_GNU_UNIQUE: return "UNIQUE";
1029 if (sbind >= STB_LOOS && sbind <= STB_HIOS)
1031 else if (sbind >= STB_LOPROC && sbind <= STB_HIPROC)
1034 snprintf(s_sbind, sizeof(s_sbind), "<unknown: %#x>",
1041 st_type(unsigned int mach, unsigned int os, unsigned int stype)
1043 static char s_stype[32];
1046 case STT_NOTYPE: return "NOTYPE";
1047 case STT_OBJECT: return "OBJECT";
1048 case STT_FUNC: return "FUNC";
1049 case STT_SECTION: return "SECTION";
1050 case STT_FILE: return "FILE";
1051 case STT_COMMON: return "COMMON";
1052 case STT_TLS: return "TLS";
1054 if (stype >= STT_LOOS && stype <= STT_HIOS) {
1055 if ((os == ELFOSABI_GNU || os == ELFOSABI_FREEBSD) &&
1056 stype == STT_GNU_IFUNC)
1058 snprintf(s_stype, sizeof(s_stype), "OS+%#x",
1060 } else if (stype >= STT_LOPROC && stype <= STT_HIPROC) {
1061 if (mach == EM_SPARCV9 && stype == STT_SPARC_REGISTER)
1063 snprintf(s_stype, sizeof(s_stype), "PROC+%#x",
1064 stype - STT_LOPROC);
1066 snprintf(s_stype, sizeof(s_stype), "<unknown: %#x>",
1073 st_vis(unsigned int svis)
1075 static char s_svis[32];
1078 case STV_DEFAULT: return "DEFAULT";
1079 case STV_INTERNAL: return "INTERNAL";
1080 case STV_HIDDEN: return "HIDDEN";
1081 case STV_PROTECTED: return "PROTECTED";
1083 snprintf(s_svis, sizeof(s_svis), "<unknown: %#x>", svis);
1089 st_shndx(unsigned int shndx)
1091 static char s_shndx[32];
1094 case SHN_UNDEF: return "UND";
1095 case SHN_ABS: return "ABS";
1096 case SHN_COMMON: return "COM";
1098 if (shndx >= SHN_LOPROC && shndx <= SHN_HIPROC)
1100 else if (shndx >= SHN_LOOS && shndx <= SHN_HIOS)
1103 snprintf(s_shndx, sizeof(s_shndx), "%u", shndx);
1112 } section_flag[] = {
1113 {"WRITE", 'W', SHF_WRITE},
1114 {"ALLOC", 'A', SHF_ALLOC},
1115 {"EXEC", 'X', SHF_EXECINSTR},
1116 {"MERGE", 'M', SHF_MERGE},
1117 {"STRINGS", 'S', SHF_STRINGS},
1118 {"INFO LINK", 'I', SHF_INFO_LINK},
1119 {"OS NONCONF", 'O', SHF_OS_NONCONFORMING},
1120 {"GROUP", 'G', SHF_GROUP},
1121 {"TLS", 'T', SHF_TLS},
1122 {"COMPRESSED", 'C', SHF_COMPRESSED},
1127 note_type(const char *name, unsigned int et, unsigned int nt)
1129 if ((strcmp(name, "CORE") == 0 || strcmp(name, "LINUX") == 0) &&
1131 return note_type_linux_core(nt);
1132 else if (strcmp(name, "FreeBSD") == 0)
1134 return note_type_freebsd_core(nt);
1136 return note_type_freebsd(nt);
1137 else if (strcmp(name, "GNU") == 0 && et != ET_CORE)
1138 return note_type_gnu(nt);
1139 else if (strcmp(name, "NetBSD") == 0 && et != ET_CORE)
1140 return note_type_netbsd(nt);
1141 else if (strcmp(name, "OpenBSD") == 0 && et != ET_CORE)
1142 return note_type_openbsd(nt);
1143 else if (strcmp(name, "Xen") == 0 && et != ET_CORE)
1144 return note_type_xen(nt);
1145 return note_type_unknown(nt);
1149 note_type_freebsd(unsigned int nt)
1152 case 1: return "NT_FREEBSD_ABI_TAG";
1153 case 2: return "NT_FREEBSD_NOINIT_TAG";
1154 case 3: return "NT_FREEBSD_ARCH_TAG";
1155 case 4: return "NT_FREEBSD_FEATURE_CTL";
1156 default: return (note_type_unknown(nt));
1161 note_type_freebsd_core(unsigned int nt)
1164 case 1: return "NT_PRSTATUS";
1165 case 2: return "NT_FPREGSET";
1166 case 3: return "NT_PRPSINFO";
1167 case 7: return "NT_THRMISC";
1168 case 8: return "NT_PROCSTAT_PROC";
1169 case 9: return "NT_PROCSTAT_FILES";
1170 case 10: return "NT_PROCSTAT_VMMAP";
1171 case 11: return "NT_PROCSTAT_GROUPS";
1172 case 12: return "NT_PROCSTAT_UMASK";
1173 case 13: return "NT_PROCSTAT_RLIMIT";
1174 case 14: return "NT_PROCSTAT_OSREL";
1175 case 15: return "NT_PROCSTAT_PSSTRINGS";
1176 case 16: return "NT_PROCSTAT_AUXV";
1177 case 17: return "NT_PTLWPINFO";
1178 case 0x202: return "NT_X86_XSTATE (x86 XSAVE extended state)";
1179 case 0x400: return "NT_ARM_VFP (arm VFP registers)";
1180 default: return (note_type_unknown(nt));
1185 note_type_linux_core(unsigned int nt)
1188 case 1: return "NT_PRSTATUS (Process status)";
1189 case 2: return "NT_FPREGSET (Floating point information)";
1190 case 3: return "NT_PRPSINFO (Process information)";
1191 case 4: return "NT_TASKSTRUCT (Task structure)";
1192 case 6: return "NT_AUXV (Auxiliary vector)";
1193 case 10: return "NT_PSTATUS (Linux process status)";
1194 case 12: return "NT_FPREGS (Linux floating point regset)";
1195 case 13: return "NT_PSINFO (Linux process information)";
1196 case 16: return "NT_LWPSTATUS (Linux lwpstatus_t type)";
1197 case 17: return "NT_LWPSINFO (Linux lwpinfo_t type)";
1198 case 18: return "NT_WIN32PSTATUS (win32_pstatus structure)";
1199 case 0x100: return "NT_PPC_VMX (ppc Altivec registers)";
1200 case 0x102: return "NT_PPC_VSX (ppc VSX registers)";
1201 case 0x202: return "NT_X86_XSTATE (x86 XSAVE extended state)";
1202 case 0x300: return "NT_S390_HIGH_GPRS (s390 upper register halves)";
1203 case 0x301: return "NT_S390_TIMER (s390 timer register)";
1204 case 0x302: return "NT_S390_TODCMP (s390 TOD comparator register)";
1205 case 0x303: return "NT_S390_TODPREG (s390 TOD programmable register)";
1206 case 0x304: return "NT_S390_CTRS (s390 control registers)";
1207 case 0x305: return "NT_S390_PREFIX (s390 prefix register)";
1208 case 0x400: return "NT_ARM_VFP (arm VFP registers)";
1209 case 0x46494c45UL: return "NT_FILE (mapped files)";
1210 case 0x46E62B7FUL: return "NT_PRXFPREG (Linux user_xfpregs structure)";
1211 case 0x53494749UL: return "NT_SIGINFO (siginfo_t data)";
1212 default: return (note_type_unknown(nt));
1217 note_type_gnu(unsigned int nt)
1220 case 1: return "NT_GNU_ABI_TAG";
1221 case 2: return "NT_GNU_HWCAP (Hardware capabilities)";
1222 case 3: return "NT_GNU_BUILD_ID (Build id set by ld(1))";
1223 case 4: return "NT_GNU_GOLD_VERSION (GNU gold version)";
1224 case 5: return "NT_GNU_PROPERTY_TYPE_0";
1225 default: return (note_type_unknown(nt));
1230 note_type_netbsd(unsigned int nt)
1233 case 1: return "NT_NETBSD_IDENT";
1234 default: return (note_type_unknown(nt));
1239 note_type_openbsd(unsigned int nt)
1242 case 1: return "NT_OPENBSD_IDENT";
1243 default: return (note_type_unknown(nt));
1248 note_type_unknown(unsigned int nt)
1250 static char s_nt[32];
1252 snprintf(s_nt, sizeof(s_nt),
1253 nt >= 0x100 ? "<unknown: 0x%x>" : "<unknown: %u>", nt);
1258 note_type_xen(unsigned int nt)
1261 case 0: return "XEN_ELFNOTE_INFO";
1262 case 1: return "XEN_ELFNOTE_ENTRY";
1263 case 2: return "XEN_ELFNOTE_HYPERCALL_PAGE";
1264 case 3: return "XEN_ELFNOTE_VIRT_BASE";
1265 case 4: return "XEN_ELFNOTE_PADDR_OFFSET";
1266 case 5: return "XEN_ELFNOTE_XEN_VERSION";
1267 case 6: return "XEN_ELFNOTE_GUEST_OS";
1268 case 7: return "XEN_ELFNOTE_GUEST_VERSION";
1269 case 8: return "XEN_ELFNOTE_LOADER";
1270 case 9: return "XEN_ELFNOTE_PAE_MODE";
1271 case 10: return "XEN_ELFNOTE_FEATURES";
1272 case 11: return "XEN_ELFNOTE_BSD_SYMTAB";
1273 case 12: return "XEN_ELFNOTE_HV_START_LOW";
1274 case 13: return "XEN_ELFNOTE_L1_MFN_VALID";
1275 case 14: return "XEN_ELFNOTE_SUSPEND_CANCEL";
1276 case 15: return "XEN_ELFNOTE_INIT_P2M";
1277 case 16: return "XEN_ELFNOTE_MOD_START_PFN";
1278 case 17: return "XEN_ELFNOTE_SUPPORTED_FEATURES";
1279 default: return (note_type_unknown(nt));
1287 {"EXACT_MATCH", LL_EXACT_MATCH},
1288 {"IGNORE_INT_VER", LL_IGNORE_INT_VER},
1289 {"REQUIRE_MINOR", LL_REQUIRE_MINOR},
1290 {"EXPORTS", LL_EXPORTS},
1291 {"DELAY_LOAD", LL_DELAY_LOAD},
1292 {"DELTA", LL_DELTA},
1296 static struct mips_option mips_exceptions_option[] = {
1297 {OEX_PAGE0, "PAGE0"},
1299 {OEX_PRECISEFP, "PRECISEFP"},
1300 {OEX_DISMISS, "DISMISS"},
1304 static struct mips_option mips_pad_option[] = {
1305 {OPAD_PREFIX, "PREFIX"},
1306 {OPAD_POSTFIX, "POSTFIX"},
1307 {OPAD_SYMBOL, "SYMBOL"},
1311 static struct mips_option mips_hwpatch_option[] = {
1312 {OHW_R4KEOP, "R4KEOP"},
1313 {OHW_R8KPFETCH, "R8KPFETCH"},
1314 {OHW_R5KEOP, "R5KEOP"},
1315 {OHW_R5KCVTL, "R5KCVTL"},
1319 static struct mips_option mips_hwa_option[] = {
1320 {OHWA0_R4KEOP_CHECKED, "R4KEOP_CHECKED"},
1321 {OHWA0_R4KEOP_CLEAN, "R4KEOP_CLEAN"},
1325 static struct mips_option mips_hwo_option[] = {
1326 {OHWO0_FIXADE, "FIXADE"},
1331 option_kind(uint8_t kind)
1333 static char s_kind[32];
1336 case ODK_NULL: return "NULL";
1337 case ODK_REGINFO: return "REGINFO";
1338 case ODK_EXCEPTIONS: return "EXCEPTIONS";
1339 case ODK_PAD: return "PAD";
1340 case ODK_HWPATCH: return "HWPATCH";
1341 case ODK_FILL: return "FILL";
1342 case ODK_TAGS: return "TAGS";
1343 case ODK_HWAND: return "HWAND";
1344 case ODK_HWOR: return "HWOR";
1345 case ODK_GP_GROUP: return "GP_GROUP";
1346 case ODK_IDENT: return "IDENT";
1348 snprintf(s_kind, sizeof(s_kind), "<unknown: %u>", kind);
1354 top_tag(unsigned int tag)
1356 static char s_top_tag[32];
1359 case 1: return "File Attributes";
1360 case 2: return "Section Attributes";
1361 case 3: return "Symbol Attributes";
1363 snprintf(s_top_tag, sizeof(s_top_tag), "Unknown tag: %u", tag);
1369 aeabi_cpu_arch(uint64_t arch)
1371 static char s_cpu_arch[32];
1374 case 0: return "Pre-V4";
1375 case 1: return "ARM v4";
1376 case 2: return "ARM v4T";
1377 case 3: return "ARM v5T";
1378 case 4: return "ARM v5TE";
1379 case 5: return "ARM v5TEJ";
1380 case 6: return "ARM v6";
1381 case 7: return "ARM v6KZ";
1382 case 8: return "ARM v6T2";
1383 case 9: return "ARM v6K";
1384 case 10: return "ARM v7";
1385 case 11: return "ARM v6-M";
1386 case 12: return "ARM v6S-M";
1387 case 13: return "ARM v7E-M";
1389 snprintf(s_cpu_arch, sizeof(s_cpu_arch),
1390 "Unknown (%ju)", (uintmax_t) arch);
1391 return (s_cpu_arch);
1396 aeabi_cpu_arch_profile(uint64_t pf)
1398 static char s_arch_profile[32];
1402 return "Not applicable";
1403 case 0x41: /* 'A' */
1404 return "Application Profile";
1405 case 0x52: /* 'R' */
1406 return "Real-Time Profile";
1407 case 0x4D: /* 'M' */
1408 return "Microcontroller Profile";
1409 case 0x53: /* 'S' */
1410 return "Application or Real-Time Profile";
1412 snprintf(s_arch_profile, sizeof(s_arch_profile),
1413 "Unknown (%ju)\n", (uintmax_t) pf);
1414 return (s_arch_profile);
1419 aeabi_arm_isa(uint64_t ai)
1421 static char s_ai[32];
1424 case 0: return "No";
1425 case 1: return "Yes";
1427 snprintf(s_ai, sizeof(s_ai), "Unknown (%ju)\n",
1434 aeabi_thumb_isa(uint64_t ti)
1436 static char s_ti[32];
1439 case 0: return "No";
1440 case 1: return "16-bit Thumb";
1441 case 2: return "32-bit Thumb";
1443 snprintf(s_ti, sizeof(s_ti), "Unknown (%ju)\n",
1450 aeabi_fp_arch(uint64_t fp)
1452 static char s_fp_arch[32];
1455 case 0: return "No";
1456 case 1: return "VFPv1";
1457 case 2: return "VFPv2";
1458 case 3: return "VFPv3";
1459 case 4: return "VFPv3-D16";
1460 case 5: return "VFPv4";
1461 case 6: return "VFPv4-D16";
1463 snprintf(s_fp_arch, sizeof(s_fp_arch), "Unknown (%ju)",
1470 aeabi_wmmx_arch(uint64_t wmmx)
1472 static char s_wmmx[32];
1475 case 0: return "No";
1476 case 1: return "WMMXv1";
1477 case 2: return "WMMXv2";
1479 snprintf(s_wmmx, sizeof(s_wmmx), "Unknown (%ju)",
1486 aeabi_adv_simd_arch(uint64_t simd)
1488 static char s_simd[32];
1491 case 0: return "No";
1492 case 1: return "NEONv1";
1493 case 2: return "NEONv2";
1495 snprintf(s_simd, sizeof(s_simd), "Unknown (%ju)",
1502 aeabi_pcs_config(uint64_t pcs)
1504 static char s_pcs[32];
1507 case 0: return "None";
1508 case 1: return "Bare platform";
1509 case 2: return "Linux";
1510 case 3: return "Linux DSO";
1511 case 4: return "Palm OS 2004";
1512 case 5: return "Palm OS (future)";
1513 case 6: return "Symbian OS 2004";
1514 case 7: return "Symbian OS (future)";
1516 snprintf(s_pcs, sizeof(s_pcs), "Unknown (%ju)",
1523 aeabi_pcs_r9(uint64_t r9)
1525 static char s_r9[32];
1528 case 0: return "V6";
1529 case 1: return "SB";
1530 case 2: return "TLS pointer";
1531 case 3: return "Unused";
1533 snprintf(s_r9, sizeof(s_r9), "Unknown (%ju)", (uintmax_t) r9);
1539 aeabi_pcs_rw(uint64_t rw)
1541 static char s_rw[32];
1544 case 0: return "Absolute";
1545 case 1: return "PC-relative";
1546 case 2: return "SB-relative";
1547 case 3: return "None";
1549 snprintf(s_rw, sizeof(s_rw), "Unknown (%ju)", (uintmax_t) rw);
1555 aeabi_pcs_ro(uint64_t ro)
1557 static char s_ro[32];
1560 case 0: return "Absolute";
1561 case 1: return "PC-relative";
1562 case 2: return "None";
1564 snprintf(s_ro, sizeof(s_ro), "Unknown (%ju)", (uintmax_t) ro);
1570 aeabi_pcs_got(uint64_t got)
1572 static char s_got[32];
1575 case 0: return "None";
1576 case 1: return "direct";
1577 case 2: return "indirect via GOT";
1579 snprintf(s_got, sizeof(s_got), "Unknown (%ju)",
1586 aeabi_pcs_wchar_t(uint64_t wt)
1588 static char s_wt[32];
1591 case 0: return "None";
1592 case 2: return "wchar_t size 2";
1593 case 4: return "wchar_t size 4";
1595 snprintf(s_wt, sizeof(s_wt), "Unknown (%ju)", (uintmax_t) wt);
1601 aeabi_enum_size(uint64_t es)
1603 static char s_es[32];
1606 case 0: return "None";
1607 case 1: return "smallest";
1608 case 2: return "32-bit";
1609 case 3: return "visible 32-bit";
1611 snprintf(s_es, sizeof(s_es), "Unknown (%ju)", (uintmax_t) es);
1617 aeabi_align_needed(uint64_t an)
1619 static char s_align_n[64];
1622 case 0: return "No";
1623 case 1: return "8-byte align";
1624 case 2: return "4-byte align";
1625 case 3: return "Reserved";
1627 if (an >= 4 && an <= 12)
1628 snprintf(s_align_n, sizeof(s_align_n), "8-byte align"
1629 " and up to 2^%ju-byte extended align",
1632 snprintf(s_align_n, sizeof(s_align_n), "Unknown (%ju)",
1639 aeabi_align_preserved(uint64_t ap)
1641 static char s_align_p[128];
1644 case 0: return "No";
1645 case 1: return "8-byte align";
1646 case 2: return "8-byte align and SP % 8 == 0";
1647 case 3: return "Reserved";
1649 if (ap >= 4 && ap <= 12)
1650 snprintf(s_align_p, sizeof(s_align_p), "8-byte align"
1651 " and SP %% 8 == 0 and up to 2^%ju-byte extended"
1652 " align", (uintmax_t) ap);
1654 snprintf(s_align_p, sizeof(s_align_p), "Unknown (%ju)",
1661 aeabi_fp_rounding(uint64_t fr)
1663 static char s_fp_r[32];
1666 case 0: return "Unused";
1667 case 1: return "Needed";
1669 snprintf(s_fp_r, sizeof(s_fp_r), "Unknown (%ju)",
1676 aeabi_fp_denormal(uint64_t fd)
1678 static char s_fp_d[32];
1681 case 0: return "Unused";
1682 case 1: return "Needed";
1683 case 2: return "Sign Only";
1685 snprintf(s_fp_d, sizeof(s_fp_d), "Unknown (%ju)",
1692 aeabi_fp_exceptions(uint64_t fe)
1694 static char s_fp_e[32];
1697 case 0: return "Unused";
1698 case 1: return "Needed";
1700 snprintf(s_fp_e, sizeof(s_fp_e), "Unknown (%ju)",
1707 aeabi_fp_user_exceptions(uint64_t fu)
1709 static char s_fp_u[32];
1712 case 0: return "Unused";
1713 case 1: return "Needed";
1715 snprintf(s_fp_u, sizeof(s_fp_u), "Unknown (%ju)",
1722 aeabi_fp_number_model(uint64_t fn)
1724 static char s_fp_n[32];
1727 case 0: return "Unused";
1728 case 1: return "IEEE 754 normal";
1729 case 2: return "RTABI";
1730 case 3: return "IEEE 754";
1732 snprintf(s_fp_n, sizeof(s_fp_n), "Unknown (%ju)",
1739 aeabi_fp_16bit_format(uint64_t fp16)
1741 static char s_fp_16[64];
1744 case 0: return "None";
1745 case 1: return "IEEE 754";
1746 case 2: return "VFPv3/Advanced SIMD (alternative format)";
1748 snprintf(s_fp_16, sizeof(s_fp_16), "Unknown (%ju)",
1755 aeabi_mpext(uint64_t mp)
1757 static char s_mp[32];
1760 case 0: return "Not allowed";
1761 case 1: return "Allowed";
1763 snprintf(s_mp, sizeof(s_mp), "Unknown (%ju)",
1770 aeabi_div(uint64_t du)
1772 static char s_du[32];
1775 case 0: return "Yes (V7-R/V7-M)";
1776 case 1: return "No";
1777 case 2: return "Yes (V7-A)";
1779 snprintf(s_du, sizeof(s_du), "Unknown (%ju)",
1786 aeabi_t2ee(uint64_t t2ee)
1788 static char s_t2ee[32];
1791 case 0: return "Not allowed";
1792 case 1: return "Allowed";
1794 snprintf(s_t2ee, sizeof(s_t2ee), "Unknown(%ju)",
1802 aeabi_hardfp(uint64_t hfp)
1804 static char s_hfp[32];
1807 case 0: return "Tag_FP_arch";
1808 case 1: return "only SP";
1809 case 2: return "only DP";
1810 case 3: return "both SP and DP";
1812 snprintf(s_hfp, sizeof(s_hfp), "Unknown (%ju)",
1819 aeabi_vfp_args(uint64_t va)
1821 static char s_va[32];
1824 case 0: return "AAPCS (base variant)";
1825 case 1: return "AAPCS (VFP variant)";
1826 case 2: return "toolchain-specific";
1828 snprintf(s_va, sizeof(s_va), "Unknown (%ju)", (uintmax_t) va);
1834 aeabi_wmmx_args(uint64_t wa)
1836 static char s_wa[32];
1839 case 0: return "AAPCS (base variant)";
1840 case 1: return "Intel WMMX";
1841 case 2: return "toolchain-specific";
1843 snprintf(s_wa, sizeof(s_wa), "Unknown(%ju)", (uintmax_t) wa);
1849 aeabi_unaligned_access(uint64_t ua)
1851 static char s_ua[32];
1854 case 0: return "Not allowed";
1855 case 1: return "Allowed";
1857 snprintf(s_ua, sizeof(s_ua), "Unknown(%ju)", (uintmax_t) ua);
1863 aeabi_fp_hpext(uint64_t fh)
1865 static char s_fh[32];
1868 case 0: return "Not allowed";
1869 case 1: return "Allowed";
1871 snprintf(s_fh, sizeof(s_fh), "Unknown(%ju)", (uintmax_t) fh);
1877 aeabi_optm_goal(uint64_t og)
1879 static char s_og[32];
1882 case 0: return "None";
1883 case 1: return "Speed";
1884 case 2: return "Speed aggressive";
1885 case 3: return "Space";
1886 case 4: return "Space aggressive";
1887 case 5: return "Debugging";
1888 case 6: return "Best Debugging";
1890 snprintf(s_og, sizeof(s_og), "Unknown(%ju)", (uintmax_t) og);
1896 aeabi_fp_optm_goal(uint64_t fog)
1898 static char s_fog[32];
1901 case 0: return "None";
1902 case 1: return "Speed";
1903 case 2: return "Speed aggressive";
1904 case 3: return "Space";
1905 case 4: return "Space aggressive";
1906 case 5: return "Accurary";
1907 case 6: return "Best Accurary";
1909 snprintf(s_fog, sizeof(s_fog), "Unknown(%ju)",
1916 aeabi_virtual(uint64_t vt)
1918 static char s_virtual[64];
1921 case 0: return "No";
1922 case 1: return "TrustZone";
1923 case 2: return "Virtualization extension";
1924 case 3: return "TrustZone and virtualization extension";
1926 snprintf(s_virtual, sizeof(s_virtual), "Unknown(%ju)",
1935 const char *(*get_desc)(uint64_t val);
1937 {4, "Tag_CPU_raw_name", NULL},
1938 {5, "Tag_CPU_name", NULL},
1939 {6, "Tag_CPU_arch", aeabi_cpu_arch},
1940 {7, "Tag_CPU_arch_profile", aeabi_cpu_arch_profile},
1941 {8, "Tag_ARM_ISA_use", aeabi_arm_isa},
1942 {9, "Tag_THUMB_ISA_use", aeabi_thumb_isa},
1943 {10, "Tag_FP_arch", aeabi_fp_arch},
1944 {11, "Tag_WMMX_arch", aeabi_wmmx_arch},
1945 {12, "Tag_Advanced_SIMD_arch", aeabi_adv_simd_arch},
1946 {13, "Tag_PCS_config", aeabi_pcs_config},
1947 {14, "Tag_ABI_PCS_R9_use", aeabi_pcs_r9},
1948 {15, "Tag_ABI_PCS_RW_data", aeabi_pcs_rw},
1949 {16, "Tag_ABI_PCS_RO_data", aeabi_pcs_ro},
1950 {17, "Tag_ABI_PCS_GOT_use", aeabi_pcs_got},
1951 {18, "Tag_ABI_PCS_wchar_t", aeabi_pcs_wchar_t},
1952 {19, "Tag_ABI_FP_rounding", aeabi_fp_rounding},
1953 {20, "Tag_ABI_FP_denormal", aeabi_fp_denormal},
1954 {21, "Tag_ABI_FP_exceptions", aeabi_fp_exceptions},
1955 {22, "Tag_ABI_FP_user_exceptions", aeabi_fp_user_exceptions},
1956 {23, "Tag_ABI_FP_number_model", aeabi_fp_number_model},
1957 {24, "Tag_ABI_align_needed", aeabi_align_needed},
1958 {25, "Tag_ABI_align_preserved", aeabi_align_preserved},
1959 {26, "Tag_ABI_enum_size", aeabi_enum_size},
1960 {27, "Tag_ABI_HardFP_use", aeabi_hardfp},
1961 {28, "Tag_ABI_VFP_args", aeabi_vfp_args},
1962 {29, "Tag_ABI_WMMX_args", aeabi_wmmx_args},
1963 {30, "Tag_ABI_optimization_goals", aeabi_optm_goal},
1964 {31, "Tag_ABI_FP_optimization_goals", aeabi_fp_optm_goal},
1965 {32, "Tag_compatibility", NULL},
1966 {34, "Tag_CPU_unaligned_access", aeabi_unaligned_access},
1967 {36, "Tag_FP_HP_extension", aeabi_fp_hpext},
1968 {38, "Tag_ABI_FP_16bit_format", aeabi_fp_16bit_format},
1969 {42, "Tag_MPextension_use", aeabi_mpext},
1970 {44, "Tag_DIV_use", aeabi_div},
1971 {64, "Tag_nodefaults", NULL},
1972 {65, "Tag_also_compatible_with", NULL},
1973 {66, "Tag_T2EE_use", aeabi_t2ee},
1974 {67, "Tag_conformance", NULL},
1975 {68, "Tag_Virtualization_use", aeabi_virtual},
1976 {70, "Tag_MPextension_use", aeabi_mpext},
1980 mips_abi_fp(uint64_t fp)
1982 static char s_mips_abi_fp[64];
1985 case 0: return "N/A";
1986 case 1: return "Hard float (double precision)";
1987 case 2: return "Hard float (single precision)";
1988 case 3: return "Soft float";
1989 case 4: return "64-bit float (-mips32r2 -mfp64)";
1991 snprintf(s_mips_abi_fp, sizeof(s_mips_abi_fp), "Unknown(%ju)",
1993 return (s_mips_abi_fp);
1998 ppc_abi_fp(uint64_t fp)
2000 static char s_ppc_abi_fp[64];
2003 case 0: return "N/A";
2004 case 1: return "Hard float (double precision)";
2005 case 2: return "Soft float";
2006 case 3: return "Hard float (single precision)";
2008 snprintf(s_ppc_abi_fp, sizeof(s_ppc_abi_fp), "Unknown(%ju)",
2010 return (s_ppc_abi_fp);
2015 ppc_abi_vector(uint64_t vec)
2017 static char s_vec[64];
2020 case 0: return "N/A";
2021 case 1: return "Generic purpose registers";
2022 case 2: return "AltiVec registers";
2023 case 3: return "SPE registers";
2025 snprintf(s_vec, sizeof(s_vec), "Unknown(%ju)", (uintmax_t) vec);
2031 dwarf_reg(unsigned int mach, unsigned int reg)
2038 case 0: return "eax";
2039 case 1: return "ecx";
2040 case 2: return "edx";
2041 case 3: return "ebx";
2042 case 4: return "esp";
2043 case 5: return "ebp";
2044 case 6: return "esi";
2045 case 7: return "edi";
2046 case 8: return "eip";
2047 case 9: return "eflags";
2048 case 11: return "st0";
2049 case 12: return "st1";
2050 case 13: return "st2";
2051 case 14: return "st3";
2052 case 15: return "st4";
2053 case 16: return "st5";
2054 case 17: return "st6";
2055 case 18: return "st7";
2056 case 21: return "xmm0";
2057 case 22: return "xmm1";
2058 case 23: return "xmm2";
2059 case 24: return "xmm3";
2060 case 25: return "xmm4";
2061 case 26: return "xmm5";
2062 case 27: return "xmm6";
2063 case 28: return "xmm7";
2064 case 29: return "mm0";
2065 case 30: return "mm1";
2066 case 31: return "mm2";
2067 case 32: return "mm3";
2068 case 33: return "mm4";
2069 case 34: return "mm5";
2070 case 35: return "mm6";
2071 case 36: return "mm7";
2072 case 37: return "fcw";
2073 case 38: return "fsw";
2074 case 39: return "mxcsr";
2075 case 40: return "es";
2076 case 41: return "cs";
2077 case 42: return "ss";
2078 case 43: return "ds";
2079 case 44: return "fs";
2080 case 45: return "gs";
2081 case 48: return "tr";
2082 case 49: return "ldtr";
2083 default: return (NULL);
2087 case 0: return "zero";
2088 case 1: return "ra";
2089 case 2: return "sp";
2090 case 3: return "gp";
2091 case 4: return "tp";
2092 case 5: return "t0";
2093 case 6: return "t1";
2094 case 7: return "t2";
2095 case 8: return "s0";
2096 case 9: return "s1";
2097 case 10: return "a0";
2098 case 11: return "a1";
2099 case 12: return "a2";
2100 case 13: return "a3";
2101 case 14: return "a4";
2102 case 15: return "a5";
2103 case 16: return "a6";
2104 case 17: return "a7";
2105 case 18: return "s2";
2106 case 19: return "s3";
2107 case 20: return "s4";
2108 case 21: return "s5";
2109 case 22: return "s6";
2110 case 23: return "s7";
2111 case 24: return "s8";
2112 case 25: return "s9";
2113 case 26: return "s10";
2114 case 27: return "s11";
2115 case 28: return "t3";
2116 case 29: return "t4";
2117 case 30: return "t5";
2118 case 31: return "t6";
2119 case 32: return "ft0";
2120 case 33: return "ft1";
2121 case 34: return "ft2";
2122 case 35: return "ft3";
2123 case 36: return "ft4";
2124 case 37: return "ft5";
2125 case 38: return "ft6";
2126 case 39: return "ft7";
2127 case 40: return "fs0";
2128 case 41: return "fs1";
2129 case 42: return "fa0";
2130 case 43: return "fa1";
2131 case 44: return "fa2";
2132 case 45: return "fa3";
2133 case 46: return "fa4";
2134 case 47: return "fa5";
2135 case 48: return "fa6";
2136 case 49: return "fa7";
2137 case 50: return "fs2";
2138 case 51: return "fs3";
2139 case 52: return "fs4";
2140 case 53: return "fs5";
2141 case 54: return "fs6";
2142 case 55: return "fs7";
2143 case 56: return "fs8";
2144 case 57: return "fs9";
2145 case 58: return "fs10";
2146 case 59: return "fs11";
2147 case 60: return "ft8";
2148 case 61: return "ft9";
2149 case 62: return "ft10";
2150 case 63: return "ft11";
2151 default: return (NULL);
2155 case 0: return "rax";
2156 case 1: return "rdx";
2157 case 2: return "rcx";
2158 case 3: return "rbx";
2159 case 4: return "rsi";
2160 case 5: return "rdi";
2161 case 6: return "rbp";
2162 case 7: return "rsp";
2163 case 16: return "rip";
2164 case 17: return "xmm0";
2165 case 18: return "xmm1";
2166 case 19: return "xmm2";
2167 case 20: return "xmm3";
2168 case 21: return "xmm4";
2169 case 22: return "xmm5";
2170 case 23: return "xmm6";
2171 case 24: return "xmm7";
2172 case 25: return "xmm8";
2173 case 26: return "xmm9";
2174 case 27: return "xmm10";
2175 case 28: return "xmm11";
2176 case 29: return "xmm12";
2177 case 30: return "xmm13";
2178 case 31: return "xmm14";
2179 case 32: return "xmm15";
2180 case 33: return "st0";
2181 case 34: return "st1";
2182 case 35: return "st2";
2183 case 36: return "st3";
2184 case 37: return "st4";
2185 case 38: return "st5";
2186 case 39: return "st6";
2187 case 40: return "st7";
2188 case 41: return "mm0";
2189 case 42: return "mm1";
2190 case 43: return "mm2";
2191 case 44: return "mm3";
2192 case 45: return "mm4";
2193 case 46: return "mm5";
2194 case 47: return "mm6";
2195 case 48: return "mm7";
2196 case 49: return "rflags";
2197 case 50: return "es";
2198 case 51: return "cs";
2199 case 52: return "ss";
2200 case 53: return "ds";
2201 case 54: return "fs";
2202 case 55: return "gs";
2203 case 58: return "fs.base";
2204 case 59: return "gs.base";
2205 case 62: return "tr";
2206 case 63: return "ldtr";
2207 case 64: return "mxcsr";
2208 case 65: return "fcw";
2209 case 66: return "fsw";
2210 default: return (NULL);
2218 dump_ehdr(struct readelf *re)
2220 size_t phnum, shnum, shstrndx;
2223 printf("ELF Header:\n");
2227 for (i = 0; i < EI_NIDENT; i++)
2228 printf("%.2x ", re->ehdr.e_ident[i]);
2232 printf("%-37s%s\n", " Class:", elf_class(re->ehdr.e_ident[EI_CLASS]));
2235 printf("%-37s%s\n", " Data:", elf_endian(re->ehdr.e_ident[EI_DATA]));
2238 printf("%-37s%d %s\n", " Version:", re->ehdr.e_ident[EI_VERSION],
2239 elf_ver(re->ehdr.e_ident[EI_VERSION]));
2242 printf("%-37s%s\n", " OS/ABI:", elf_osabi(re->ehdr.e_ident[EI_OSABI]));
2244 /* EI_ABIVERSION. */
2245 printf("%-37s%d\n", " ABI Version:", re->ehdr.e_ident[EI_ABIVERSION]);
2248 printf("%-37s%s\n", " Type:", elf_type(re->ehdr.e_type));
2251 printf("%-37s%s\n", " Machine:", elf_machine(re->ehdr.e_machine));
2254 printf("%-37s%#x\n", " Version:", re->ehdr.e_version);
2257 printf("%-37s%#jx\n", " Entry point address:",
2258 (uintmax_t)re->ehdr.e_entry);
2261 printf("%-37s%ju (bytes into file)\n", " Start of program headers:",
2262 (uintmax_t)re->ehdr.e_phoff);
2265 printf("%-37s%ju (bytes into file)\n", " Start of section headers:",
2266 (uintmax_t)re->ehdr.e_shoff);
2269 printf("%-37s%#x", " Flags:", re->ehdr.e_flags);
2270 dump_eflags(re, re->ehdr.e_flags);
2274 printf("%-37s%u (bytes)\n", " Size of this header:",
2278 printf("%-37s%u (bytes)\n", " Size of program headers:",
2279 re->ehdr.e_phentsize);
2282 printf("%-37s%u", " Number of program headers:", re->ehdr.e_phnum);
2283 if (re->ehdr.e_phnum == PN_XNUM) {
2284 /* Extended program header numbering is in use. */
2285 if (elf_getphnum(re->elf, &phnum))
2286 printf(" (%zu)", phnum);
2291 printf("%-37s%u (bytes)\n", " Size of section headers:",
2292 re->ehdr.e_shentsize);
2295 printf("%-37s%u", " Number of section headers:", re->ehdr.e_shnum);
2296 if (re->ehdr.e_shnum == SHN_UNDEF) {
2297 /* Extended section numbering is in use. */
2298 if (elf_getshnum(re->elf, &shnum))
2299 printf(" (%ju)", (uintmax_t)shnum);
2304 printf("%-37s%u", " Section header string table index:",
2305 re->ehdr.e_shstrndx);
2306 if (re->ehdr.e_shstrndx == SHN_XINDEX) {
2307 /* Extended section numbering is in use. */
2308 if (elf_getshstrndx(re->elf, &shstrndx))
2309 printf(" (%ju)", (uintmax_t)shstrndx);
2315 dump_eflags(struct readelf *re, uint64_t e_flags)
2317 struct eflags_desc *edesc;
2321 switch (re->ehdr.e_machine) {
2323 arm_eabi = (e_flags & EF_ARM_EABIMASK) >> 24;
2325 printf(", GNU EABI");
2326 else if (arm_eabi <= 5)
2327 printf(", Version%d EABI", arm_eabi);
2328 edesc = arm_eflags_desc;
2331 case EM_MIPS_RS3_LE:
2332 switch ((e_flags & EF_MIPS_ARCH) >> 28) {
2333 case 0: printf(", mips1"); break;
2334 case 1: printf(", mips2"); break;
2335 case 2: printf(", mips3"); break;
2336 case 3: printf(", mips4"); break;
2337 case 4: printf(", mips5"); break;
2338 case 5: printf(", mips32"); break;
2339 case 6: printf(", mips64"); break;
2340 case 7: printf(", mips32r2"); break;
2341 case 8: printf(", mips64r2"); break;
2344 switch ((e_flags & 0x00FF0000) >> 16) {
2345 case 0x81: printf(", 3900"); break;
2346 case 0x82: printf(", 4010"); break;
2347 case 0x83: printf(", 4100"); break;
2348 case 0x85: printf(", 4650"); break;
2349 case 0x87: printf(", 4120"); break;
2350 case 0x88: printf(", 4111"); break;
2351 case 0x8a: printf(", sb1"); break;
2352 case 0x8b: printf(", octeon"); break;
2353 case 0x8c: printf(", xlr"); break;
2354 case 0x91: printf(", 5400"); break;
2355 case 0x98: printf(", 5500"); break;
2356 case 0x99: printf(", 9000"); break;
2357 case 0xa0: printf(", loongson-2e"); break;
2358 case 0xa1: printf(", loongson-2f"); break;
2361 switch ((e_flags & 0x0000F000) >> 12) {
2362 case 1: printf(", o32"); break;
2363 case 2: printf(", o64"); break;
2364 case 3: printf(", eabi32"); break;
2365 case 4: printf(", eabi64"); break;
2368 edesc = mips_eflags_desc;
2372 case 0: printf(", Unspecified or Power ELF V1 ABI"); break;
2373 case 1: printf(", Power ELF V1 ABI"); break;
2374 case 2: printf(", OpenPOWER ELF V2 ABI"); break;
2377 /* explicit fall through*/
2379 edesc = powerpc_eflags_desc;
2382 switch (e_flags & EF_RISCV_FLOAT_ABI_MASK) {
2383 case EF_RISCV_FLOAT_ABI_SOFT:
2384 printf(", soft-float ABI");
2386 case EF_RISCV_FLOAT_ABI_SINGLE:
2387 printf(", single-float ABI");
2389 case EF_RISCV_FLOAT_ABI_DOUBLE:
2390 printf(", double-float ABI");
2392 case EF_RISCV_FLOAT_ABI_QUAD:
2393 printf(", quad-float ABI");
2396 edesc = riscv_eflags_desc;
2399 case EM_SPARC32PLUS:
2401 switch ((e_flags & EF_SPARCV9_MM)) {
2402 case EF_SPARCV9_TSO: printf(", tso"); break;
2403 case EF_SPARCV9_PSO: printf(", pso"); break;
2404 case EF_SPARCV9_MM: printf(", rmo"); break;
2407 edesc = sparc_eflags_desc;
2413 if (edesc != NULL) {
2414 while (edesc->desc != NULL) {
2415 if (e_flags & edesc->flag)
2416 printf(", %s", edesc->desc);
2423 dump_phdr(struct readelf *re)
2425 const char *rawfile;
2430 #define PH_HDR "Type", "Offset", "VirtAddr", "PhysAddr", "FileSiz", \
2431 "MemSiz", "Flg", "Align"
2432 #define PH_CT phdr_type(re->ehdr.e_machine, phdr.p_type), \
2433 (uintmax_t)phdr.p_offset, (uintmax_t)phdr.p_vaddr, \
2434 (uintmax_t)phdr.p_paddr, (uintmax_t)phdr.p_filesz, \
2435 (uintmax_t)phdr.p_memsz, \
2436 phdr.p_flags & PF_R ? 'R' : ' ', \
2437 phdr.p_flags & PF_W ? 'W' : ' ', \
2438 phdr.p_flags & PF_X ? 'E' : ' ', \
2439 (uintmax_t)phdr.p_align
2441 if (elf_getphnum(re->elf, &phnum) == 0) {
2442 warnx("elf_getphnum failed: %s", elf_errmsg(-1));
2446 printf("\nThere are no program headers in this file.\n");
2450 printf("\nElf file type is %s", elf_type(re->ehdr.e_type));
2451 printf("\nEntry point 0x%jx\n", (uintmax_t)re->ehdr.e_entry);
2452 printf("There are %ju program headers, starting at offset %ju\n",
2453 (uintmax_t)phnum, (uintmax_t)re->ehdr.e_phoff);
2455 /* Dump program headers. */
2456 printf("\nProgram Headers:\n");
2457 if (re->ec == ELFCLASS32)
2458 printf(" %-15s%-9s%-11s%-11s%-8s%-8s%-4s%s\n", PH_HDR);
2459 else if (re->options & RE_WW)
2460 printf(" %-15s%-9s%-19s%-19s%-9s%-9s%-4s%s\n", PH_HDR);
2462 printf(" %-15s%-19s%-19s%s\n %-19s%-20s"
2463 "%-7s%s\n", PH_HDR);
2464 for (i = 0; (size_t) i < phnum; i++) {
2465 if (gelf_getphdr(re->elf, i, &phdr) != &phdr) {
2466 warnx("gelf_getphdr failed: %s", elf_errmsg(-1));
2469 /* TODO: Add arch-specific segment type dump. */
2470 if (re->ec == ELFCLASS32)
2471 printf(" %-14.14s 0x%6.6jx 0x%8.8jx 0x%8.8jx "
2472 "0x%5.5jx 0x%5.5jx %c%c%c %#jx\n", PH_CT);
2473 else if (re->options & RE_WW)
2474 printf(" %-14.14s 0x%6.6jx 0x%16.16jx 0x%16.16jx "
2475 "0x%6.6jx 0x%6.6jx %c%c%c %#jx\n", PH_CT);
2477 printf(" %-14.14s 0x%16.16jx 0x%16.16jx 0x%16.16jx\n"
2478 " 0x%16.16jx 0x%16.16jx %c%c%c"
2480 if (phdr.p_type == PT_INTERP) {
2481 if ((rawfile = elf_rawfile(re->elf, &size)) == NULL) {
2482 warnx("elf_rawfile failed: %s", elf_errmsg(-1));
2485 if (phdr.p_offset >= size) {
2486 warnx("invalid program header offset");
2489 printf(" [Requesting program interpreter: %s]\n",
2490 rawfile + phdr.p_offset);
2494 /* Dump section to segment mapping. */
2497 printf("\n Section to Segment mapping:\n");
2498 printf(" Segment Sections...\n");
2499 for (i = 0; (size_t)i < phnum; i++) {
2500 if (gelf_getphdr(re->elf, i, &phdr) != &phdr) {
2501 warnx("gelf_getphdr failed: %s", elf_errmsg(-1));
2504 printf(" %2.2d ", i);
2505 /* skip NULL section. */
2506 for (j = 1; (size_t)j < re->shnum; j++) {
2507 if (re->sl[j].off < phdr.p_offset)
2509 if (re->sl[j].off + re->sl[j].sz >
2510 phdr.p_offset + phdr.p_filesz &&
2511 re->sl[j].type != SHT_NOBITS)
2513 if (re->sl[j].addr < phdr.p_vaddr ||
2514 re->sl[j].addr + re->sl[j].sz >
2515 phdr.p_vaddr + phdr.p_memsz)
2517 if (phdr.p_type == PT_TLS &&
2518 (re->sl[j].flags & SHF_TLS) == 0)
2520 printf("%s ", re->sl[j].name);
2529 section_flags(struct readelf *re, struct section *s)
2532 static char buf[BUF_SZ];
2536 nb = re->ec == ELFCLASS32 ? 8 : 16;
2537 if (re->options & RE_T) {
2538 snprintf(buf, BUF_SZ, "[%*.*jx]: ", nb, nb,
2539 (uintmax_t)s->flags);
2542 for (i = 0; section_flag[i].ln != NULL; i++) {
2543 if ((s->flags & section_flag[i].value) == 0)
2545 if (re->options & RE_T) {
2546 snprintf(&buf[p], BUF_SZ - p, "%s, ",
2547 section_flag[i].ln);
2548 p += strlen(section_flag[i].ln) + 2;
2550 buf[p++] = section_flag[i].sn;
2552 if (re->options & RE_T && p > nb + 4)
2560 dump_shdr(struct readelf *re)
2565 #define S_HDR "[Nr] Name", "Type", "Addr", "Off", "Size", "ES", \
2566 "Flg", "Lk", "Inf", "Al"
2567 #define S_HDRL "[Nr] Name", "Type", "Address", "Offset", "Size", \
2568 "EntSize", "Flags", "Link", "Info", "Align"
2569 #define ST_HDR "[Nr] Name", "Type", "Addr", "Off", "Size", "ES", \
2570 "Lk", "Inf", "Al", "Flags"
2571 #define ST_HDRL "[Nr] Name", "Type", "Address", "Offset", "Link", \
2572 "Size", "EntSize", "Info", "Align", "Flags"
2573 #define S_CT i, s->name, section_type(re->ehdr.e_machine, s->type), \
2574 (uintmax_t)s->addr, (uintmax_t)s->off, (uintmax_t)s->sz,\
2575 (uintmax_t)s->entsize, section_flags(re, s), \
2576 s->link, s->info, (uintmax_t)s->align
2577 #define ST_CT i, s->name, section_type(re->ehdr.e_machine, s->type), \
2578 (uintmax_t)s->addr, (uintmax_t)s->off, (uintmax_t)s->sz,\
2579 (uintmax_t)s->entsize, s->link, s->info, \
2580 (uintmax_t)s->align, section_flags(re, s)
2581 #define ST_CTL i, s->name, section_type(re->ehdr.e_machine, s->type), \
2582 (uintmax_t)s->addr, (uintmax_t)s->off, s->link, \
2583 (uintmax_t)s->sz, (uintmax_t)s->entsize, s->info, \
2584 (uintmax_t)s->align, section_flags(re, s)
2586 if (re->shnum == 0) {
2587 printf("\nThere are no sections in this file.\n");
2590 printf("There are %ju section headers, starting at offset 0x%jx:\n",
2591 (uintmax_t)re->shnum, (uintmax_t)re->ehdr.e_shoff);
2592 printf("\nSection Headers:\n");
2593 if (re->ec == ELFCLASS32) {
2594 if (re->options & RE_T)
2595 printf(" %s\n %-16s%-9s%-7s%-7s%-5s%-3s%-4s%s\n"
2598 printf(" %-23s%-16s%-9s%-7s%-7s%-3s%-4s%-3s%-4s%s\n",
2600 } else if (re->options & RE_WW) {
2601 if (re->options & RE_T)
2602 printf(" %s\n %-16s%-17s%-7s%-7s%-5s%-3s%-4s%s\n"
2605 printf(" %-23s%-16s%-17s%-7s%-7s%-3s%-4s%-3s%-4s%s\n",
2608 if (re->options & RE_T)
2609 printf(" %s\n %-18s%-17s%-18s%s\n %-18s"
2610 "%-17s%-18s%s\n%12s\n", ST_HDRL);
2612 printf(" %-23s%-17s%-18s%s\n %-18s%-17s%-7s%"
2613 "-6s%-6s%s\n", S_HDRL);
2615 for (i = 0; (size_t)i < re->shnum; i++) {
2617 if (re->ec == ELFCLASS32) {
2618 if (re->options & RE_T)
2619 printf(" [%2d] %s\n %-15.15s %8.8jx"
2620 " %6.6jx %6.6jx %2.2jx %2u %3u %2ju\n"
2623 printf(" [%2d] %-17.17s %-15.15s %8.8jx"
2624 " %6.6jx %6.6jx %2.2jx %3s %2u %3u %2ju\n",
2626 } else if (re->options & RE_WW) {
2627 if (re->options & RE_T)
2628 printf(" [%2d] %s\n %-15.15s %16.16jx"
2629 " %6.6jx %6.6jx %2.2jx %2u %3u %2ju\n"
2632 printf(" [%2d] %-17.17s %-15.15s %16.16jx"
2633 " %6.6jx %6.6jx %2.2jx %3s %2u %3u %2ju\n",
2636 if (re->options & RE_T)
2637 printf(" [%2d] %s\n %-15.15s %16.16jx"
2638 " %16.16jx %u\n %16.16jx %16.16jx"
2639 " %-16u %ju\n %s\n", ST_CTL);
2641 printf(" [%2d] %-17.17s %-15.15s %16.16jx"
2642 " %8.8jx\n %16.16jx %16.16jx "
2643 "%3s %2u %3u %ju\n", S_CT);
2646 if ((re->options & RE_T) == 0)
2647 printf("Key to Flags:\n W (write), A (alloc),"
2648 " X (execute), M (merge), S (strings)\n"
2649 " I (info), L (link order), G (group), x (unknown)\n"
2650 " O (extra OS processing required)"
2651 " o (OS specific), p (processor specific)\n");
2663 * Return number of entries in the given section. We'd prefer ent_count be a
2664 * size_t *, but libelf APIs already use int for section indices.
2667 get_ent_count(struct section *s, int *ent_count)
2669 if (s->entsize == 0) {
2670 warnx("section %s has entry size 0", s->name);
2672 } else if (s->sz / s->entsize > INT_MAX) {
2673 warnx("section %s has invalid section count", s->name);
2676 *ent_count = (int)(s->sz / s->entsize);
2681 dump_dynamic(struct readelf *re)
2686 int elferr, i, is_dynamic, j, jmax, nentries;
2690 for (i = 0; (size_t)i < re->shnum; i++) {
2692 if (s->type != SHT_DYNAMIC)
2695 if ((d = elf_getdata(s->scn, NULL)) == NULL) {
2696 elferr = elf_errno();
2698 warnx("elf_getdata failed: %s", elf_errmsg(-1));
2706 /* Determine the actual number of table entries. */
2708 if (!get_ent_count(s, &jmax))
2710 for (j = 0; j < jmax; j++) {
2711 if (gelf_getdyn(d, j, &dyn) != &dyn) {
2712 warnx("gelf_getdyn failed: %s",
2717 if (dyn.d_tag == DT_NULL)
2721 printf("\nDynamic section at offset 0x%jx", (uintmax_t)s->off);
2722 printf(" contains %u entries:\n", nentries);
2724 if (re->ec == ELFCLASS32)
2725 printf("%5s%12s%28s\n", "Tag", "Type", "Name/Value");
2727 printf("%5s%20s%28s\n", "Tag", "Type", "Name/Value");
2729 for (j = 0; j < nentries; j++) {
2730 if (gelf_getdyn(d, j, &dyn) != &dyn)
2732 /* Dump dynamic entry type. */
2733 if (re->ec == ELFCLASS32)
2734 printf(" 0x%8.8jx", (uintmax_t)dyn.d_tag);
2736 printf(" 0x%16.16jx", (uintmax_t)dyn.d_tag);
2737 printf(" %-20s", dt_type(re->ehdr.e_machine,
2739 /* Dump dynamic entry value. */
2740 dump_dyn_val(re, &dyn, s->link);
2745 printf("\nThere is no dynamic section in this file.\n");
2749 timestamp(time_t ti)
2755 snprintf(ts, sizeof(ts), "%04d-%02d-%02dT%02d:%02d:%02d",
2756 t->tm_year + 1900, t->tm_mon + 1, t->tm_mday, t->tm_hour,
2757 t->tm_min, t->tm_sec);
2763 dyn_str(struct readelf *re, uint32_t stab, uint64_t d_val)
2767 if (stab == SHN_UNDEF)
2769 else if ((name = elf_strptr(re->elf, stab, d_val)) == NULL) {
2770 (void) elf_errno(); /* clear error */
2778 dump_arch_dyn_val(struct readelf *re, GElf_Dyn *dyn)
2780 switch (re->ehdr.e_machine) {
2782 case EM_MIPS_RS3_LE:
2783 switch (dyn->d_tag) {
2784 case DT_MIPS_RLD_VERSION:
2785 case DT_MIPS_LOCAL_GOTNO:
2786 case DT_MIPS_CONFLICTNO:
2787 case DT_MIPS_LIBLISTNO:
2788 case DT_MIPS_SYMTABNO:
2789 case DT_MIPS_UNREFEXTNO:
2790 case DT_MIPS_GOTSYM:
2791 case DT_MIPS_HIPAGENO:
2792 case DT_MIPS_DELTA_CLASS_NO:
2793 case DT_MIPS_DELTA_INSTANCE_NO:
2794 case DT_MIPS_DELTA_RELOC_NO:
2795 case DT_MIPS_DELTA_SYM_NO:
2796 case DT_MIPS_DELTA_CLASSSYM_NO:
2797 case DT_MIPS_LOCALPAGE_GOTIDX:
2798 case DT_MIPS_LOCAL_GOTIDX:
2799 case DT_MIPS_HIDDEN_GOTIDX:
2800 case DT_MIPS_PROTECTED_GOTIDX:
2801 printf(" %ju\n", (uintmax_t) dyn->d_un.d_val);
2803 case DT_MIPS_ICHECKSUM:
2805 case DT_MIPS_BASE_ADDRESS:
2806 case DT_MIPS_CONFLICT:
2807 case DT_MIPS_LIBLIST:
2808 case DT_MIPS_RLD_MAP:
2809 case DT_MIPS_DELTA_CLASS:
2810 case DT_MIPS_DELTA_INSTANCE:
2811 case DT_MIPS_DELTA_RELOC:
2812 case DT_MIPS_DELTA_SYM:
2813 case DT_MIPS_DELTA_CLASSSYM:
2814 case DT_MIPS_CXX_FLAGS:
2815 case DT_MIPS_PIXIE_INIT:
2816 case DT_MIPS_SYMBOL_LIB:
2817 case DT_MIPS_OPTIONS:
2818 case DT_MIPS_INTERFACE:
2819 case DT_MIPS_DYNSTR_ALIGN:
2820 case DT_MIPS_INTERFACE_SIZE:
2821 case DT_MIPS_RLD_TEXT_RESOLVE_ADDR:
2822 case DT_MIPS_COMPACT_SIZE:
2823 case DT_MIPS_GP_VALUE:
2824 case DT_MIPS_AUX_DYNAMIC:
2825 case DT_MIPS_PLTGOT:
2826 case DT_MIPS_RLD_OBJ_UPDATE:
2828 printf(" 0x%jx\n", (uintmax_t) dyn->d_un.d_val);
2830 case DT_MIPS_IVERSION:
2831 case DT_MIPS_PERF_SUFFIX:
2832 case DT_MIPS_TIME_STAMP:
2833 printf(" %s\n", timestamp(dyn->d_un.d_val));
2847 dump_flags(struct flag_desc *desc, uint64_t val)
2849 struct flag_desc *fd;
2851 for (fd = desc; fd->flag != 0; fd++) {
2852 if (val & fd->flag) {
2854 printf(" %s", fd->desc);
2858 printf(" unknown (0x%jx)", (uintmax_t)val);
2862 static struct flag_desc dt_flags[] = {
2863 { DF_ORIGIN, "ORIGIN" },
2864 { DF_SYMBOLIC, "SYMBOLIC" },
2865 { DF_TEXTREL, "TEXTREL" },
2866 { DF_BIND_NOW, "BIND_NOW" },
2867 { DF_STATIC_TLS, "STATIC_TLS" },
2871 static struct flag_desc dt_flags_1[] = {
2872 { DF_1_BIND_NOW, "NOW" },
2873 { DF_1_GLOBAL, "GLOBAL" },
2875 { DF_1_NODELETE, "NODELETE" },
2876 { DF_1_LOADFLTR, "LOADFLTR" },
2877 { 0x20, "INITFIRST" },
2878 { DF_1_NOOPEN, "NOOPEN" },
2879 { DF_1_ORIGIN, "ORIGIN" },
2880 { 0x100, "DIRECT" },
2881 { DF_1_INTERPOSE, "INTERPOSE" },
2882 { DF_1_NODEFLIB, "NODEFLIB" },
2883 { 0x1000, "NODUMP" },
2884 { 0x2000, "CONFALT" },
2885 { 0x4000, "ENDFILTEE" },
2886 { 0x8000, "DISPRELDNE" },
2887 { 0x10000, "DISPRELPND" },
2888 { 0x20000, "NODIRECT" },
2889 { 0x40000, "IGNMULDEF" },
2890 { 0x80000, "NOKSYMS" },
2891 { 0x100000, "NOHDR" },
2892 { 0x200000, "EDITED" },
2893 { 0x400000, "NORELOC" },
2894 { 0x800000, "SYMINTPOSE" },
2895 { 0x1000000, "GLOBAUDIT" },
2900 dump_dyn_val(struct readelf *re, GElf_Dyn *dyn, uint32_t stab)
2904 if (dyn->d_tag >= DT_LOPROC && dyn->d_tag <= DT_HIPROC &&
2905 dyn->d_tag != DT_AUXILIARY && dyn->d_tag != DT_FILTER) {
2906 dump_arch_dyn_val(re, dyn);
2910 /* These entry values are index into the string table. */
2912 if (dyn->d_tag == DT_AUXILIARY || dyn->d_tag == DT_FILTER ||
2913 dyn->d_tag == DT_NEEDED || dyn->d_tag == DT_SONAME ||
2914 dyn->d_tag == DT_RPATH || dyn->d_tag == DT_RUNPATH)
2915 name = dyn_str(re, stab, dyn->d_un.d_val);
2917 switch(dyn->d_tag) {
2935 case DT_GNU_LIBLIST:
2936 case DT_GNU_CONFLICT:
2937 printf(" 0x%jx\n", (uintmax_t) dyn->d_un.d_val);
2946 case DT_PREINIT_ARRAYSZ:
2947 case DT_INIT_ARRAYSZ:
2948 case DT_FINI_ARRAYSZ:
2949 case DT_GNU_CONFLICTSZ:
2950 case DT_GNU_LIBLISTSZ:
2951 printf(" %ju (bytes)\n", (uintmax_t) dyn->d_un.d_val);
2957 printf(" %ju\n", (uintmax_t) dyn->d_un.d_val);
2960 printf(" Auxiliary library: [%s]\n", name);
2963 printf(" Filter library: [%s]\n", name);
2966 printf(" Shared library: [%s]\n", name);
2969 printf(" Library soname: [%s]\n", name);
2972 printf(" Library rpath: [%s]\n", name);
2975 printf(" Library runpath: [%s]\n", name);
2978 printf(" %s\n", dt_type(re->ehdr.e_machine, dyn->d_un.d_val));
2980 case DT_GNU_PRELINKED:
2981 printf(" %s\n", timestamp(dyn->d_un.d_val));
2984 dump_flags(dt_flags, dyn->d_un.d_val);
2987 dump_flags(dt_flags_1, dyn->d_un.d_val);
2995 dump_rel(struct readelf *re, struct section *s, Elf_Data *d)
2998 const char *symname;
3002 uint8_t type2, type3;
3004 if (s->link >= re->shnum)
3007 #define REL_HDR "r_offset", "r_info", "r_type", "st_value", "st_name"
3008 #define REL_CT32 (uintmax_t)r.r_offset, (uintmax_t)r.r_info, \
3009 elftc_reloc_type_str(re->ehdr.e_machine, \
3010 ELF32_R_TYPE(r.r_info)), (uintmax_t)symval, symname
3011 #define REL_CT64 (uintmax_t)r.r_offset, (uintmax_t)r.r_info, \
3012 elftc_reloc_type_str(re->ehdr.e_machine, type), \
3013 (uintmax_t)symval, symname
3015 printf("\nRelocation section (%s):\n", s->name);
3016 if (re->ec == ELFCLASS32)
3017 printf("%-8s %-8s %-19s %-8s %s\n", REL_HDR);
3019 if (re->options & RE_WW)
3020 printf("%-16s %-16s %-24s %-16s %s\n", REL_HDR);
3022 printf("%-12s %-12s %-19s %-16s %s\n", REL_HDR);
3024 assert(d->d_size == s->sz);
3025 if (!get_ent_count(s, &len))
3027 for (i = 0; i < len; i++) {
3028 if (gelf_getrel(d, i, &r) != &r) {
3029 warnx("gelf_getrel failed: %s", elf_errmsg(-1));
3032 symname = get_symbol_name(re, s->link, GELF_R_SYM(r.r_info));
3033 symval = get_symbol_value(re, s->link, GELF_R_SYM(r.r_info));
3034 if (re->ec == ELFCLASS32) {
3035 r.r_info = ELF32_R_INFO(ELF64_R_SYM(r.r_info),
3036 ELF64_R_TYPE(r.r_info));
3037 printf("%8.8jx %8.8jx %-19.19s %8.8jx %s\n", REL_CT32);
3039 type = ELF64_R_TYPE(r.r_info);
3040 if (re->ehdr.e_machine == EM_MIPS) {
3041 type2 = (type >> 8) & 0xFF;
3042 type3 = (type >> 16) & 0xFF;
3047 if (re->options & RE_WW)
3048 printf("%16.16jx %16.16jx %-24.24s"
3049 " %16.16jx %s\n", REL_CT64);
3051 printf("%12.12jx %12.12jx %-19.19s"
3052 " %16.16jx %s\n", REL_CT64);
3053 if (re->ehdr.e_machine == EM_MIPS) {
3054 if (re->options & RE_WW) {
3055 printf("%32s: %s\n", "Type2",
3056 elftc_reloc_type_str(EM_MIPS,
3058 printf("%32s: %s\n", "Type3",
3059 elftc_reloc_type_str(EM_MIPS,
3062 printf("%24s: %s\n", "Type2",
3063 elftc_reloc_type_str(EM_MIPS,
3065 printf("%24s: %s\n", "Type3",
3066 elftc_reloc_type_str(EM_MIPS,
3078 dump_rela(struct readelf *re, struct section *s, Elf_Data *d)
3081 const char *symname;
3085 uint8_t type2, type3;
3087 if (s->link >= re->shnum)
3090 #define RELA_HDR "r_offset", "r_info", "r_type", "st_value", \
3091 "st_name + r_addend"
3092 #define RELA_CT32 (uintmax_t)r.r_offset, (uintmax_t)r.r_info, \
3093 elftc_reloc_type_str(re->ehdr.e_machine, \
3094 ELF32_R_TYPE(r.r_info)), (uintmax_t)symval, symname
3095 #define RELA_CT64 (uintmax_t)r.r_offset, (uintmax_t)r.r_info, \
3096 elftc_reloc_type_str(re->ehdr.e_machine, type), \
3097 (uintmax_t)symval, symname
3099 printf("\nRelocation section with addend (%s):\n", s->name);
3100 if (re->ec == ELFCLASS32)
3101 printf("%-8s %-8s %-19s %-8s %s\n", RELA_HDR);
3103 if (re->options & RE_WW)
3104 printf("%-16s %-16s %-24s %-16s %s\n", RELA_HDR);
3106 printf("%-12s %-12s %-19s %-16s %s\n", RELA_HDR);
3108 assert(d->d_size == s->sz);
3109 if (!get_ent_count(s, &len))
3111 for (i = 0; i < len; i++) {
3112 if (gelf_getrela(d, i, &r) != &r) {
3113 warnx("gelf_getrel failed: %s", elf_errmsg(-1));
3116 symname = get_symbol_name(re, s->link, GELF_R_SYM(r.r_info));
3117 symval = get_symbol_value(re, s->link, GELF_R_SYM(r.r_info));
3118 if (re->ec == ELFCLASS32) {
3119 r.r_info = ELF32_R_INFO(ELF64_R_SYM(r.r_info),
3120 ELF64_R_TYPE(r.r_info));
3121 printf("%8.8jx %8.8jx %-19.19s %8.8jx %s", RELA_CT32);
3122 printf(" + %x\n", (uint32_t) r.r_addend);
3124 type = ELF64_R_TYPE(r.r_info);
3125 if (re->ehdr.e_machine == EM_MIPS) {
3126 type2 = (type >> 8) & 0xFF;
3127 type3 = (type >> 16) & 0xFF;
3132 if (re->options & RE_WW)
3133 printf("%16.16jx %16.16jx %-24.24s"
3134 " %16.16jx %s", RELA_CT64);
3136 printf("%12.12jx %12.12jx %-19.19s"
3137 " %16.16jx %s", RELA_CT64);
3138 printf(" + %jx\n", (uintmax_t) r.r_addend);
3139 if (re->ehdr.e_machine == EM_MIPS) {
3140 if (re->options & RE_WW) {
3141 printf("%32s: %s\n", "Type2",
3142 elftc_reloc_type_str(EM_MIPS,
3144 printf("%32s: %s\n", "Type3",
3145 elftc_reloc_type_str(EM_MIPS,
3148 printf("%24s: %s\n", "Type2",
3149 elftc_reloc_type_str(EM_MIPS,
3151 printf("%24s: %s\n", "Type3",
3152 elftc_reloc_type_str(EM_MIPS,
3164 dump_reloc(struct readelf *re)
3170 for (i = 0; (size_t)i < re->shnum; i++) {
3172 if (s->type == SHT_REL || s->type == SHT_RELA) {
3174 if ((d = elf_getdata(s->scn, NULL)) == NULL) {
3175 elferr = elf_errno();
3177 warnx("elf_getdata failed: %s",
3178 elf_errmsg(elferr));
3181 if (s->type == SHT_REL)
3184 dump_rela(re, s, d);
3190 dump_symtab(struct readelf *re, int i)
3201 if (s->link >= re->shnum)
3205 if ((d = elf_getdata(s->scn, NULL)) == NULL) {
3206 elferr = elf_errno();
3208 warnx("elf_getdata failed: %s", elf_errmsg(elferr));
3213 if (!get_ent_count(s, &len))
3215 printf("Symbol table (%s)", s->name);
3216 printf(" contains %d entries:\n", len);
3217 printf("%7s%9s%14s%5s%8s%6s%9s%5s\n", "Num:", "Value", "Size", "Type",
3218 "Bind", "Vis", "Ndx", "Name");
3220 for (j = 0; j < len; j++) {
3221 if (gelf_getsym(d, j, &sym) != &sym) {
3222 warnx("gelf_getsym failed: %s", elf_errmsg(-1));
3226 printf(" %16.16jx", (uintmax_t) sym.st_value);
3227 printf(" %5ju", (uintmax_t) sym.st_size);
3228 printf(" %-7s", st_type(re->ehdr.e_machine,
3229 re->ehdr.e_ident[EI_OSABI], GELF_ST_TYPE(sym.st_info)));
3230 printf(" %-6s", st_bind(GELF_ST_BIND(sym.st_info)));
3231 printf(" %-8s", st_vis(GELF_ST_VISIBILITY(sym.st_other)));
3232 printf(" %3s", st_shndx(sym.st_shndx));
3233 if ((name = elf_strptr(re->elf, stab, sym.st_name)) != NULL)
3234 printf(" %s", name);
3235 /* Append symbol version string for SHT_DYNSYM symbol table. */
3236 if (s->type == SHT_DYNSYM && re->ver != NULL &&
3237 re->vs != NULL && re->vs[j] > 1) {
3238 vs = re->vs[j] & VERSYM_VERSION;
3239 if (vs >= re->ver_sz || re->ver[vs].name == NULL) {
3240 warnx("invalid versym version index %u", vs);
3243 if (re->vs[j] & VERSYM_HIDDEN || re->ver[vs].type == 0)
3244 printf("@%s (%d)", re->ver[vs].name, vs);
3246 printf("@@%s (%d)", re->ver[vs].name, vs);
3254 dump_symtabs(struct readelf *re)
3263 * If -D is specified, only dump the symbol table specified by
3264 * the DT_SYMTAB entry in the .dynamic section.
3267 if (re->options & RE_DD) {
3269 for (i = 0; (size_t)i < re->shnum; i++)
3270 if (re->sl[i].type == SHT_DYNAMIC) {
3277 if ((d = elf_getdata(s->scn, NULL)) == NULL) {
3278 elferr = elf_errno();
3280 warnx("elf_getdata failed: %s", elf_errmsg(-1));
3285 if (!get_ent_count(s, &len))
3288 for (i = 0; i < len; i++) {
3289 if (gelf_getdyn(d, i, &dyn) != &dyn) {
3290 warnx("gelf_getdyn failed: %s", elf_errmsg(-1));
3293 if (dyn.d_tag == DT_SYMTAB) {
3294 dyn_off = dyn.d_un.d_val;
3300 /* Find and dump symbol tables. */
3301 for (i = 0; (size_t)i < re->shnum; i++) {
3303 if (s->type == SHT_SYMTAB || s->type == SHT_DYNSYM) {
3304 if (re->options & RE_DD) {
3305 if (dyn_off == s->addr) {
3316 dump_svr4_hash(struct section *s)
3320 uint32_t nbucket, nchain;
3321 uint32_t *bucket, *chain;
3322 uint32_t *bl, *c, maxl, total;
3325 /* Read and parse the content of .hash section. */
3327 if ((d = elf_getdata(s->scn, NULL)) == NULL) {
3328 elferr = elf_errno();
3330 warnx("elf_getdata failed: %s", elf_errmsg(elferr));
3333 if (d->d_size < 2 * sizeof(uint32_t)) {
3334 warnx(".hash section too small");
3340 if (nbucket <= 0 || nchain <= 0) {
3341 warnx("Malformed .hash section");
3344 if (d->d_size != (nbucket + nchain + 2) * sizeof(uint32_t)) {
3345 warnx("Malformed .hash section");
3349 chain = &buf[2 + nbucket];
3352 if ((bl = calloc(nbucket, sizeof(*bl))) == NULL)
3353 errx(EXIT_FAILURE, "calloc failed");
3354 for (i = 0; (uint32_t)i < nbucket; i++)
3355 for (j = bucket[i]; j > 0 && (uint32_t)j < nchain; j = chain[j])
3358 if ((c = calloc(maxl + 1, sizeof(*c))) == NULL)
3359 errx(EXIT_FAILURE, "calloc failed");
3360 for (i = 0; (uint32_t)i < nbucket; i++)
3362 printf("\nHistogram for bucket list length (total of %u buckets):\n",
3364 printf(" Length\tNumber\t\t%% of total\tCoverage\n");
3366 for (i = 0; (uint32_t)i <= maxl; i++) {
3368 printf("%7u\t%-10u\t(%5.1f%%)\t%5.1f%%\n", i, c[i],
3369 c[i] * 100.0 / nbucket, total * 100.0 / (nchain - 1));
3376 dump_svr4_hash64(struct readelf *re, struct section *s)
3380 uint64_t nbucket, nchain;
3381 uint64_t *bucket, *chain;
3382 uint64_t *bl, *c, maxl, total;
3386 * ALPHA uses 64-bit hash entries. Since libelf assumes that
3387 * .hash section contains only 32-bit entry, an explicit
3388 * gelf_xlatetom is needed here.
3391 if ((d = elf_rawdata(s->scn, NULL)) == NULL) {
3392 elferr = elf_errno();
3394 warnx("elf_rawdata failed: %s",
3395 elf_errmsg(elferr));
3398 d->d_type = ELF_T_XWORD;
3399 memcpy(&dst, d, sizeof(Elf_Data));
3400 if (gelf_xlatetom(re->elf, &dst, d,
3401 re->ehdr.e_ident[EI_DATA]) != &dst) {
3402 warnx("gelf_xlatetom failed: %s", elf_errmsg(-1));
3405 if (dst.d_size < 2 * sizeof(uint64_t)) {
3406 warnx(".hash section too small");
3412 if (nbucket <= 0 || nchain <= 0) {
3413 warnx("Malformed .hash section");
3416 if (d->d_size != (nbucket + nchain + 2) * sizeof(uint32_t)) {
3417 warnx("Malformed .hash section");
3421 chain = &buf[2 + nbucket];
3424 if ((bl = calloc(nbucket, sizeof(*bl))) == NULL)
3425 errx(EXIT_FAILURE, "calloc failed");
3426 for (i = 0; (uint32_t)i < nbucket; i++)
3427 for (j = bucket[i]; j > 0 && (uint32_t)j < nchain; j = chain[j])
3430 if ((c = calloc(maxl + 1, sizeof(*c))) == NULL)
3431 errx(EXIT_FAILURE, "calloc failed");
3432 for (i = 0; (uint64_t)i < nbucket; i++)
3434 printf("Histogram for bucket list length (total of %ju buckets):\n",
3435 (uintmax_t)nbucket);
3436 printf(" Length\tNumber\t\t%% of total\tCoverage\n");
3438 for (i = 0; (uint64_t)i <= maxl; i++) {
3440 printf("%7u\t%-10ju\t(%5.1f%%)\t%5.1f%%\n", i, (uintmax_t)c[i],
3441 c[i] * 100.0 / nbucket, total * 100.0 / (nchain - 1));
3448 dump_gnu_hash(struct readelf *re, struct section *s)
3453 uint32_t *bucket, *chain;
3454 uint32_t nbucket, nchain, symndx, maskwords;
3455 uint32_t *bl, *c, maxl, total;
3456 int elferr, dynsymcount, i, j;
3459 if ((d = elf_getdata(s->scn, NULL)) == NULL) {
3460 elferr = elf_errno();
3462 warnx("elf_getdata failed: %s",
3463 elf_errmsg(elferr));
3466 if (d->d_size < 4 * sizeof(uint32_t)) {
3467 warnx(".gnu.hash section too small");
3475 if (s->link >= re->shnum)
3477 ds = &re->sl[s->link];
3478 if (!get_ent_count(ds, &dynsymcount))
3480 if (symndx >= (uint32_t)dynsymcount) {
3481 warnx("Malformed .gnu.hash section (symndx out of range)");
3484 nchain = dynsymcount - symndx;
3485 if (d->d_size != 4 * sizeof(uint32_t) + maskwords *
3486 (re->ec == ELFCLASS32 ? sizeof(uint32_t) : sizeof(uint64_t)) +
3487 (nbucket + nchain) * sizeof(uint32_t)) {
3488 warnx("Malformed .gnu.hash section");
3491 bucket = buf + (re->ec == ELFCLASS32 ? maskwords : maskwords * 2);
3492 chain = bucket + nbucket;
3495 if ((bl = calloc(nbucket, sizeof(*bl))) == NULL)
3496 errx(EXIT_FAILURE, "calloc failed");
3497 for (i = 0; (uint32_t)i < nbucket; i++)
3498 for (j = bucket[i]; j > 0 && (uint32_t)j - symndx < nchain;
3502 if (chain[j - symndx] & 1)
3505 if ((c = calloc(maxl + 1, sizeof(*c))) == NULL)
3506 errx(EXIT_FAILURE, "calloc failed");
3507 for (i = 0; (uint32_t)i < nbucket; i++)
3509 printf("Histogram for bucket list length (total of %u buckets):\n",
3511 printf(" Length\tNumber\t\t%% of total\tCoverage\n");
3513 for (i = 0; (uint32_t)i <= maxl; i++) {
3515 printf("%7u\t%-10u\t(%5.1f%%)\t%5.1f%%\n", i, c[i],
3516 c[i] * 100.0 / nbucket, total * 100.0 / (nchain - 1));
3522 static struct flag_desc gnu_property_x86_feature_1_and_bits[] = {
3523 { GNU_PROPERTY_X86_FEATURE_1_IBT, "IBT" },
3524 { GNU_PROPERTY_X86_FEATURE_1_SHSTK, "SHSTK" },
3529 dump_gnu_property_type_0(struct readelf *re, const char *buf, size_t sz)
3532 uint32_t type, prop_sz;
3534 printf(" Properties: ");
3539 type = *(const uint32_t *)(const void *)buf;
3540 prop_sz = *(const uint32_t *)(const void *)(buf + 4);
3547 if (type >= GNU_PROPERTY_LOPROC &&
3548 type <= GNU_PROPERTY_HIPROC) {
3549 if (re->ehdr.e_machine != EM_X86_64) {
3550 printf("machine type %x unknown\n",
3551 re->ehdr.e_machine);
3555 case GNU_PROPERTY_X86_FEATURE_1_AND:
3556 printf("x86 features:");
3559 dump_flags(gnu_property_x86_feature_1_and_bits,
3560 *(const uint32_t *)(const void *)buf);
3565 buf += roundup2(prop_sz, 8);
3566 sz -= roundup2(prop_sz, 8);
3570 printf("corrupt GNU property\n");
3572 printf("remaining description data:");
3573 for (i = 0; i < sz; i++)
3574 printf(" %02x", (unsigned char)buf[i]);
3579 dump_hash(struct readelf *re)
3584 for (i = 0; (size_t) i < re->shnum; i++) {
3586 if (s->type == SHT_HASH || s->type == SHT_GNU_HASH) {
3587 if (s->type == SHT_GNU_HASH)
3588 dump_gnu_hash(re, s);
3589 else if (re->ehdr.e_machine == EM_ALPHA &&
3591 dump_svr4_hash64(re, s);
3599 dump_notes(struct readelf *re)
3602 const char *rawfile;
3605 size_t filesize, phnum;
3608 if (re->ehdr.e_type == ET_CORE) {
3610 * Search program headers in the core file for
3613 if (elf_getphnum(re->elf, &phnum) == 0) {
3614 warnx("elf_getphnum failed: %s", elf_errmsg(-1));
3619 if ((rawfile = elf_rawfile(re->elf, &filesize)) == NULL) {
3620 warnx("elf_rawfile failed: %s", elf_errmsg(-1));
3623 for (i = 0; (size_t) i < phnum; i++) {
3624 if (gelf_getphdr(re->elf, i, &phdr) != &phdr) {
3625 warnx("gelf_getphdr failed: %s",
3629 if (phdr.p_type == PT_NOTE) {
3630 if (phdr.p_offset >= filesize ||
3631 phdr.p_filesz > filesize - phdr.p_offset) {
3632 warnx("invalid PHDR offset");
3635 dump_notes_content(re, rawfile + phdr.p_offset,
3636 phdr.p_filesz, phdr.p_offset);
3642 * For objects other than core files, Search for
3643 * SHT_NOTE sections.
3645 for (i = 0; (size_t) i < re->shnum; i++) {
3647 if (s->type == SHT_NOTE) {
3649 if ((d = elf_getdata(s->scn, NULL)) == NULL) {
3650 elferr = elf_errno();
3652 warnx("elf_getdata failed: %s",
3653 elf_errmsg(elferr));
3656 dump_notes_content(re, d->d_buf, d->d_size,
3663 static struct flag_desc note_feature_ctl_flags[] = {
3664 { NT_FREEBSD_FCTL_ASLR_DISABLE, "ASLR_DISABLE" },
3669 dump_notes_data(struct readelf *re, const char *name, uint32_t type,
3670 const char *buf, size_t sz)
3673 const uint32_t *ubuf;
3675 /* Note data is at least 4-byte aligned. */
3676 if (((uintptr_t)buf & 3) != 0) {
3677 warnx("bad note data alignment");
3680 ubuf = (const uint32_t *)(const void *)buf;
3682 if (strcmp(name, "FreeBSD") == 0) {
3684 case NT_FREEBSD_ABI_TAG:
3687 printf(" ABI tag: %u\n", ubuf[0]);
3689 /* NT_FREEBSD_NOINIT_TAG carries no data, treat as unknown. */
3690 case NT_FREEBSD_ARCH_TAG:
3693 printf(" Arch tag: %x\n", ubuf[0]);
3695 case NT_FREEBSD_FEATURE_CTL:
3698 printf(" Features:");
3699 dump_flags(note_feature_ctl_flags, ubuf[0]);
3702 } else if (strcmp(name, "GNU") == 0) {
3704 case NT_GNU_PROPERTY_TYPE_0:
3705 dump_gnu_property_type_0(re, buf, sz);
3710 printf(" description data:");
3711 for (i = 0; i < sz; i++)
3712 printf(" %02x", (unsigned char)buf[i]);
3717 dump_notes_content(struct readelf *re, const char *buf, size_t sz, off_t off)
3720 const char *end, *name;
3722 printf("\nNotes at offset %#010jx with length %#010jx:\n",
3723 (uintmax_t) off, (uintmax_t) sz);
3724 printf(" %-13s %-15s %s\n", "Owner", "Data size", "Description");
3727 if (buf + sizeof(*note) > end) {
3728 warnx("invalid note header");
3731 note = (Elf_Note *)(uintptr_t) buf;
3732 buf += sizeof(Elf_Note);
3734 buf += roundup2(note->n_namesz, 4);
3736 * The name field is required to be nul-terminated, and
3737 * n_namesz includes the terminating nul in observed
3738 * implementations (contrary to the ELF-64 spec). A special
3739 * case is needed for cores generated by some older Linux
3740 * versions, which write a note named "CORE" without a nul
3741 * terminator and n_namesz = 4.
3743 if (note->n_namesz == 0)
3745 else if (note->n_namesz == 4 && strncmp(name, "CORE", 4) == 0)
3747 else if (strnlen(name, note->n_namesz) >= note->n_namesz)
3749 printf(" %-13s %#010jx", name, (uintmax_t) note->n_descsz);
3750 printf(" %s\n", note_type(name, re->ehdr.e_type,
3752 dump_notes_data(re, name, note->n_type, buf, note->n_descsz);
3753 buf += roundup2(note->n_descsz, 4);
3758 * Symbol versioning sections are the same for 32bit and 64bit
3761 #define Elf_Verdef Elf32_Verdef
3762 #define Elf_Verdaux Elf32_Verdaux
3763 #define Elf_Verneed Elf32_Verneed
3764 #define Elf_Vernaux Elf32_Vernaux
3766 #define SAVE_VERSION_NAME(x, n, t) \
3768 while (x >= re->ver_sz) { \
3769 nv = realloc(re->ver, \
3770 sizeof(*re->ver) * re->ver_sz * 2); \
3772 warn("realloc failed"); \
3777 for (i = re->ver_sz; i < re->ver_sz * 2; i++) { \
3778 re->ver[i].name = NULL; \
3779 re->ver[i].type = 0; \
3784 re->ver[x].name = n; \
3785 re->ver[x].type = t; \
3791 dump_verdef(struct readelf *re, int dump)
3798 uint8_t *buf, *end, *buf2;
3802 if ((s = re->vd_s) == NULL)
3804 if (s->link >= re->shnum)
3807 if (re->ver == NULL) {
3809 if ((re->ver = calloc(re->ver_sz, sizeof(*re->ver))) ==
3811 warn("calloc failed");
3814 re->ver[0].name = "*local*";
3815 re->ver[1].name = "*global*";
3819 printf("\nVersion definition section (%s):\n", s->name);
3821 if ((d = elf_getdata(s->scn, NULL)) == NULL) {
3822 elferr = elf_errno();
3824 warnx("elf_getdata failed: %s", elf_errmsg(elferr));
3831 end = buf + d->d_size;
3832 while (buf + sizeof(Elf_Verdef) <= end) {
3833 vd = (Elf_Verdef *) (uintptr_t) buf;
3835 printf(" 0x%4.4lx", (unsigned long)
3836 (buf - (uint8_t *)d->d_buf));
3837 printf(" vd_version: %u vd_flags: %d"
3838 " vd_ndx: %u vd_cnt: %u", vd->vd_version,
3839 vd->vd_flags, vd->vd_ndx, vd->vd_cnt);
3841 buf2 = buf + vd->vd_aux;
3843 while (buf2 + sizeof(Elf_Verdaux) <= end && j < vd->vd_cnt) {
3844 vda = (Elf_Verdaux *) (uintptr_t) buf2;
3845 name = get_string(re, s->link, vda->vda_name);
3848 printf(" vda_name: %s\n", name);
3849 SAVE_VERSION_NAME((int)vd->vd_ndx, name, 1);
3851 printf(" 0x%4.4lx parent: %s\n",
3852 (unsigned long) (buf2 -
3853 (uint8_t *)d->d_buf), name);
3854 if (vda->vda_next == 0)
3856 buf2 += vda->vda_next;
3859 if (vd->vd_next == 0)
3866 dump_verneed(struct readelf *re, int dump)
3873 uint8_t *buf, *end, *buf2;
3877 if ((s = re->vn_s) == NULL)
3879 if (s->link >= re->shnum)
3882 if (re->ver == NULL) {
3884 if ((re->ver = calloc(re->ver_sz, sizeof(*re->ver))) ==
3886 warn("calloc failed");
3889 re->ver[0].name = "*local*";
3890 re->ver[1].name = "*global*";
3894 printf("\nVersion needed section (%s):\n", s->name);
3896 if ((d = elf_getdata(s->scn, NULL)) == NULL) {
3897 elferr = elf_errno();
3899 warnx("elf_getdata failed: %s", elf_errmsg(elferr));
3906 end = buf + d->d_size;
3907 while (buf + sizeof(Elf_Verneed) <= end) {
3908 vn = (Elf_Verneed *) (uintptr_t) buf;
3910 printf(" 0x%4.4lx", (unsigned long)
3911 (buf - (uint8_t *)d->d_buf));
3912 printf(" vn_version: %u vn_file: %s vn_cnt: %u\n",
3914 get_string(re, s->link, vn->vn_file),
3917 buf2 = buf + vn->vn_aux;
3919 while (buf2 + sizeof(Elf_Vernaux) <= end && j < vn->vn_cnt) {
3920 vna = (Elf32_Vernaux *) (uintptr_t) buf2;
3922 printf(" 0x%4.4lx", (unsigned long)
3923 (buf2 - (uint8_t *)d->d_buf));
3924 name = get_string(re, s->link, vna->vna_name);
3926 printf(" vna_name: %s vna_flags: %u"
3927 " vna_other: %u\n", name,
3928 vna->vna_flags, vna->vna_other);
3929 SAVE_VERSION_NAME((int)vna->vna_other, name, 0);
3930 if (vna->vna_next == 0)
3932 buf2 += vna->vna_next;
3935 if (vn->vn_next == 0)
3942 dump_versym(struct readelf *re)
3947 if (re->vs_s == NULL || re->ver == NULL || re->vs == NULL)
3949 printf("\nVersion symbol section (%s):\n", re->vs_s->name);
3950 for (i = 0; i < re->vs_sz; i++) {
3954 printf(" %03x:", i);
3956 vs = re->vs[i] & VERSYM_VERSION;
3957 if (vs >= re->ver_sz || re->ver[vs].name == NULL) {
3958 warnx("invalid versym version index %u", re->vs[i]);
3961 if (re->vs[i] & VERSYM_HIDDEN)
3962 printf(" %3xh %-12s ", vs,
3963 re->ver[re->vs[i] & VERSYM_VERSION].name);
3965 printf(" %3x %-12s ", vs, re->ver[re->vs[i]].name);
3971 dump_ver(struct readelf *re)
3974 if (re->vs_s && re->ver && re->vs)
3979 dump_verneed(re, 1);
3983 search_ver(struct readelf *re)
3989 for (i = 0; (size_t) i < re->shnum; i++) {
3991 if (s->type == SHT_SUNW_versym)
3993 if (s->type == SHT_SUNW_verneed)
3995 if (s->type == SHT_SUNW_verdef)
4001 dump_verneed(re, 0);
4002 if (re->vs_s && re->ver != NULL) {
4004 if ((d = elf_getdata(re->vs_s->scn, NULL)) == NULL) {
4005 elferr = elf_errno();
4007 warnx("elf_getdata failed: %s",
4008 elf_errmsg(elferr));
4014 re->vs_sz = d->d_size / sizeof(Elf32_Half);
4022 #undef SAVE_VERSION_NAME
4025 * Elf32_Lib and Elf64_Lib are identical.
4027 #define Elf_Lib Elf32_Lib
4030 dump_liblist(struct readelf *re)
4038 int i, j, k, elferr, first, len;
4040 for (i = 0; (size_t) i < re->shnum; i++) {
4042 if (s->type != SHT_GNU_LIBLIST)
4044 if (s->link >= re->shnum)
4047 if ((d = elf_getdata(s->scn, NULL)) == NULL) {
4048 elferr = elf_errno();
4050 warnx("elf_getdata failed: %s",
4051 elf_errmsg(elferr));
4057 if (!get_ent_count(s, &len))
4059 printf("\nLibrary list section '%s' ", s->name);
4060 printf("contains %d entries:\n", len);
4061 printf("%12s%24s%18s%10s%6s\n", "Library", "Time Stamp",
4062 "Checksum", "Version", "Flags");
4063 for (j = 0; (uint64_t) j < s->sz / s->entsize; j++) {
4066 get_string(re, s->link, lib->l_name));
4067 ti = lib->l_time_stamp;
4069 snprintf(tbuf, sizeof(tbuf), "%04d-%02d-%02dT%02d:%02d"
4070 ":%2d", t->tm_year + 1900, t->tm_mon + 1,
4071 t->tm_mday, t->tm_hour, t->tm_min, t->tm_sec);
4072 printf("%-19.19s ", tbuf);
4073 printf("0x%08x ", lib->l_checksum);
4074 printf("%-7d %#x", lib->l_version, lib->l_flags);
4075 if (lib->l_flags != 0) {
4078 for (k = 0; l_flag[k].name != NULL; k++) {
4079 if ((l_flag[k].value & lib->l_flags) ==
4086 printf("%s", l_flag[k].name);
4099 dump_section_groups(struct readelf *re)
4102 const char *symname;
4108 for (i = 0; (size_t) i < re->shnum; i++) {
4110 if (s->type != SHT_GROUP)
4112 if (s->link >= re->shnum)
4115 if ((d = elf_getdata(s->scn, NULL)) == NULL) {
4116 elferr = elf_errno();
4118 warnx("elf_getdata failed: %s",
4119 elf_errmsg(elferr));
4127 /* We only support COMDAT section. */
4129 #define GRP_COMDAT 0x1
4131 if ((*w++ & GRP_COMDAT) == 0)
4134 if (s->entsize == 0)
4137 symname = get_symbol_name(re, s->link, s->info);
4138 n = s->sz / s->entsize;
4142 printf("\nCOMDAT group section [%5d] `%s' [%s] contains %ju"
4143 " sections:\n", i, s->name, symname, (uintmax_t)n);
4144 printf(" %-10.10s %s\n", "[Index]", "Name");
4145 for (j = 0; (size_t) j < n; j++, w++) {
4146 if (*w >= re->shnum) {
4147 warnx("invalid section index: %u", *w);
4150 printf(" [%5u] %s\n", *w, re->sl[*w].name);
4156 dump_unknown_tag(uint64_t tag, uint8_t *p, uint8_t *pe)
4161 * According to ARM EABI: For tags > 32, even numbered tags have
4162 * a ULEB128 param and odd numbered ones have NUL-terminated
4163 * string param. This rule probably also applies for tags <= 32
4164 * if the object arch is not ARM.
4167 printf(" Tag_unknown_%ju: ", (uintmax_t) tag);
4170 printf("%s\n", (char *) p);
4171 p += strlen((char *) p) + 1;
4173 val = _decode_uleb128(&p, pe);
4174 printf("%ju\n", (uintmax_t) val);
4181 dump_compatibility_tag(uint8_t *p, uint8_t *pe)
4185 val = _decode_uleb128(&p, pe);
4186 printf("flag = %ju, vendor = %s\n", (uintmax_t) val, p);
4187 p += strlen((char *) p) + 1;
4193 dump_arm_attributes(struct readelf *re, uint8_t *p, uint8_t *pe)
4202 tag = _decode_uleb128(&p, pe);
4204 for (i = 0; i < sizeof(aeabi_tags) / sizeof(aeabi_tags[0]);
4206 if (tag == aeabi_tags[i].tag) {
4208 printf(" %s: ", aeabi_tags[i].s_tag);
4209 if (aeabi_tags[i].get_desc) {
4211 val = _decode_uleb128(&p, pe);
4213 aeabi_tags[i].get_desc(val));
4217 if (tag < aeabi_tags[i].tag)
4221 p = dump_unknown_tag(tag, p, pe);
4228 case 4: /* Tag_CPU_raw_name */
4229 case 5: /* Tag_CPU_name */
4230 case 67: /* Tag_conformance */
4231 printf("%s\n", (char *) p);
4232 p += strlen((char *) p) + 1;
4234 case 32: /* Tag_compatibility */
4235 p = dump_compatibility_tag(p, pe);
4237 case 64: /* Tag_nodefaults */
4238 /* ignored, written as 0. */
4239 (void) _decode_uleb128(&p, pe);
4242 case 65: /* Tag_also_compatible_with */
4243 val = _decode_uleb128(&p, pe);
4244 /* Must be Tag_CPU_arch */
4246 printf("unknown\n");
4249 val = _decode_uleb128(&p, pe);
4250 printf("%s\n", aeabi_cpu_arch(val));
4251 /* Skip NUL terminator. */
4261 #ifndef Tag_GNU_MIPS_ABI_FP
4262 #define Tag_GNU_MIPS_ABI_FP 4
4266 dump_mips_attributes(struct readelf *re, uint8_t *p, uint8_t *pe)
4273 tag = _decode_uleb128(&p, pe);
4275 case Tag_GNU_MIPS_ABI_FP:
4276 val = _decode_uleb128(&p, pe);
4277 printf(" Tag_GNU_MIPS_ABI_FP: %s\n", mips_abi_fp(val));
4279 case 32: /* Tag_compatibility */
4280 p = dump_compatibility_tag(p, pe);
4283 p = dump_unknown_tag(tag, p, pe);
4289 #ifndef Tag_GNU_Power_ABI_FP
4290 #define Tag_GNU_Power_ABI_FP 4
4293 #ifndef Tag_GNU_Power_ABI_Vector
4294 #define Tag_GNU_Power_ABI_Vector 8
4298 dump_ppc_attributes(uint8_t *p, uint8_t *pe)
4303 tag = _decode_uleb128(&p, pe);
4305 case Tag_GNU_Power_ABI_FP:
4306 val = _decode_uleb128(&p, pe);
4307 printf(" Tag_GNU_Power_ABI_FP: %s\n", ppc_abi_fp(val));
4309 case Tag_GNU_Power_ABI_Vector:
4310 val = _decode_uleb128(&p, pe);
4311 printf(" Tag_GNU_Power_ABI_Vector: %s\n",
4312 ppc_abi_vector(val));
4314 case 32: /* Tag_compatibility */
4315 p = dump_compatibility_tag(p, pe);
4318 p = dump_unknown_tag(tag, p, pe);
4325 dump_attributes(struct readelf *re)
4329 uint8_t *p, *pe, *sp;
4330 size_t len, seclen, nlen, sublen;
4334 for (i = 0; (size_t) i < re->shnum; i++) {
4336 if (s->type != SHT_GNU_ATTRIBUTES &&
4337 (re->ehdr.e_machine != EM_ARM || s->type != SHT_LOPROC + 3))
4340 if ((d = elf_rawdata(s->scn, NULL)) == NULL) {
4341 elferr = elf_errno();
4343 warnx("elf_rawdata failed: %s",
4344 elf_errmsg(elferr));
4352 printf("Unknown Attribute Section Format: %c\n",
4356 len = d->d_size - 1;
4360 warnx("truncated attribute section length");
4363 seclen = re->dw_decode(&p, 4);
4365 warnx("invalid attribute section length");
4369 nlen = strlen((char *) p) + 1;
4370 if (nlen + 4 > seclen) {
4371 warnx("invalid attribute section name");
4374 printf("Attribute Section: %s\n", (char *) p);
4377 while (seclen > 0) {
4380 sublen = re->dw_decode(&p, 4);
4381 if (sublen > seclen) {
4382 warnx("invalid attribute sub-section"
4387 printf("%s", top_tag(tag));
4388 if (tag == 2 || tag == 3) {
4391 val = _decode_uleb128(&p, pe);
4394 printf(" %ju", (uintmax_t) val);
4398 if (re->ehdr.e_machine == EM_ARM &&
4399 s->type == SHT_LOPROC + 3)
4400 dump_arm_attributes(re, p, sp + sublen);
4401 else if (re->ehdr.e_machine == EM_MIPS ||
4402 re->ehdr.e_machine == EM_MIPS_RS3_LE)
4403 dump_mips_attributes(re, p,
4405 else if (re->ehdr.e_machine == EM_PPC)
4406 dump_ppc_attributes(p, sp + sublen);
4414 dump_mips_specific_info(struct readelf *re)
4420 for (i = 0; (size_t) i < re->shnum; i++) {
4422 if (s->name != NULL && (!strcmp(s->name, ".MIPS.options") ||
4423 (s->type == SHT_MIPS_OPTIONS))) {
4424 dump_mips_options(re, s);
4428 if (s->name != NULL && (!strcmp(s->name, ".MIPS.abiflags") ||
4429 (s->type == SHT_MIPS_ABIFLAGS)))
4430 dump_mips_abiflags(re, s);
4433 * Dump .reginfo if present (although it will be ignored by an OS if a
4434 * .MIPS.options section is present, according to SGI mips64 spec).
4436 for (i = 0; (size_t) i < re->shnum; i++) {
4438 if (s->name != NULL && (!strcmp(s->name, ".reginfo") ||
4439 (s->type == SHT_MIPS_REGINFO)))
4440 dump_mips_reginfo(re, s);
4445 dump_mips_abiflags(struct readelf *re, struct section *s)
4450 uint32_t isa_ext, ases, flags1, flags2;
4452 uint8_t isa_level, isa_rev, gpr_size, cpr1_size, cpr2_size, fp_abi;
4454 if ((d = elf_rawdata(s->scn, NULL)) == NULL) {
4455 elferr = elf_errno();
4457 warnx("elf_rawdata failed: %s",
4458 elf_errmsg(elferr));
4461 if (d->d_size != 24) {
4462 warnx("invalid MIPS abiflags section size");
4467 version = re->dw_decode(&p, 2);
4468 printf("MIPS ABI Flags Version: %u", version);
4470 printf(" (unknown)\n\n");
4475 isa_level = re->dw_decode(&p, 1);
4476 isa_rev = re->dw_decode(&p, 1);
4477 gpr_size = re->dw_decode(&p, 1);
4478 cpr1_size = re->dw_decode(&p, 1);
4479 cpr2_size = re->dw_decode(&p, 1);
4480 fp_abi = re->dw_decode(&p, 1);
4481 isa_ext = re->dw_decode(&p, 4);
4482 ases = re->dw_decode(&p, 4);
4483 flags1 = re->dw_decode(&p, 4);
4484 flags2 = re->dw_decode(&p, 4);
4488 printf("MIPS%u\n", isa_level);
4490 printf("MIPS%ur%u\n", isa_level, isa_rev);
4491 printf("GPR size: %d\n", get_mips_register_size(gpr_size));
4492 printf("CPR1 size: %d\n", get_mips_register_size(cpr1_size));
4493 printf("CPR2 size: %d\n", get_mips_register_size(cpr2_size));
4497 printf("Soft float");
4500 printf("%u", fp_abi);
4503 printf("\nISA Extension: %u\n", isa_ext);
4504 printf("ASEs: %u\n", ases);
4505 printf("FLAGS 1: %08x\n", flags1);
4506 printf("FLAGS 2: %08x\n", flags2);
4510 get_mips_register_size(uint8_t flag)
4521 dump_mips_reginfo(struct readelf *re, struct section *s)
4527 if ((d = elf_rawdata(s->scn, NULL)) == NULL) {
4528 elferr = elf_errno();
4530 warnx("elf_rawdata failed: %s",
4531 elf_errmsg(elferr));
4536 if (!get_ent_count(s, &len))
4539 printf("\nSection '%s' contains %d entries:\n", s->name, len);
4540 dump_mips_odk_reginfo(re, d->d_buf, d->d_size);
4544 dump_mips_options(struct readelf *re, struct section *s)
4554 if ((d = elf_rawdata(s->scn, NULL)) == NULL) {
4555 elferr = elf_errno();
4557 warnx("elf_rawdata failed: %s",
4558 elf_errmsg(elferr));
4564 printf("\nSection %s contains:\n", s->name);
4569 warnx("Truncated MIPS option header");
4572 kind = re->dw_decode(&p, 1);
4573 size = re->dw_decode(&p, 1);
4574 sndx = re->dw_decode(&p, 2);
4575 info = re->dw_decode(&p, 4);
4576 if (size < 8 || size - 8 > pe - p) {
4577 warnx("Malformed MIPS option header");
4583 dump_mips_odk_reginfo(re, p, size);
4585 case ODK_EXCEPTIONS:
4586 printf(" EXCEPTIONS FPU_MIN: %#x\n",
4587 info & OEX_FPU_MIN);
4588 printf("%11.11s FPU_MAX: %#x\n", "",
4589 info & OEX_FPU_MAX);
4590 dump_mips_option_flags("", mips_exceptions_option,
4594 printf(" %-10.10s section: %ju\n", "OPAD",
4596 dump_mips_option_flags("", mips_pad_option, info);
4599 dump_mips_option_flags("HWPATCH", mips_hwpatch_option,
4603 dump_mips_option_flags("HWAND", mips_hwa_option, info);
4606 dump_mips_option_flags("HWOR", mips_hwo_option, info);
4609 printf(" %-10.10s %#jx\n", "FILL", (uintmax_t) info);
4612 printf(" %-10.10s\n", "TAGS");
4615 printf(" %-10.10s GP group number: %#x\n", "GP_GROUP",
4618 printf(" %-10.10s GP group is "
4619 "self-contained\n", "");
4622 printf(" %-10.10s default GP group number: %#x\n",
4623 "IDENT", info & 0xFFFF);
4625 printf(" %-10.10s default GP group is "
4626 "self-contained\n", "");
4629 printf(" %-10.10s\n", "PAGESIZE");
4639 dump_mips_option_flags(const char *name, struct mips_option *opt, uint64_t info)
4644 for (; opt->desc != NULL; opt++) {
4645 if (info & opt->flag) {
4646 printf(" %-10.10s %s\n", first ? name : "",
4654 dump_mips_odk_reginfo(struct readelf *re, uint8_t *p, size_t sz)
4656 uint32_t ri_gprmask;
4657 uint32_t ri_cprmask[4];
4658 uint64_t ri_gp_value;
4664 ri_gprmask = re->dw_decode(&p, 4);
4665 /* Skip ri_pad padding field for mips64. */
4666 if (re->ec == ELFCLASS64)
4667 re->dw_decode(&p, 4);
4668 for (i = 0; i < 4; i++)
4669 ri_cprmask[i] = re->dw_decode(&p, 4);
4670 if (re->ec == ELFCLASS32)
4671 ri_gp_value = re->dw_decode(&p, 4);
4673 ri_gp_value = re->dw_decode(&p, 8);
4674 printf(" %s ", option_kind(ODK_REGINFO));
4675 printf("ri_gprmask: 0x%08jx\n", (uintmax_t) ri_gprmask);
4676 for (i = 0; i < 4; i++)
4677 printf("%11.11s ri_cprmask[%d]: 0x%08jx\n", "", i,
4678 (uintmax_t) ri_cprmask[i]);
4679 printf("%12.12s", "");
4680 printf("ri_gp_value: %#jx\n", (uintmax_t) ri_gp_value);
4685 dump_arch_specific_info(struct readelf *re)
4689 dump_attributes(re);
4691 switch (re->ehdr.e_machine) {
4693 case EM_MIPS_RS3_LE:
4694 dump_mips_specific_info(re);
4701 dwarf_regname(struct readelf *re, unsigned int num)
4706 if ((rn = dwarf_reg(re->ehdr.e_machine, num)) != NULL)
4709 snprintf(rx, sizeof(rx), "r%u", num);
4715 dump_dwarf_line(struct readelf *re)
4720 Dwarf_Half tag, version, pointer_size;
4721 Dwarf_Unsigned offset, endoff, length, hdrlen, dirndx, mtime, fsize;
4722 Dwarf_Small minlen, defstmt, lrange, opbase, oplen;
4725 uint64_t address, file, line, column, isa, opsize, udelta;
4729 int i, is_stmt, dwarf_size, elferr, ret;
4731 printf("\nDump of debug contents of section .debug_line:\n");
4734 for (i = 0; (size_t) i < re->shnum; i++) {
4736 if (s->name != NULL && !strcmp(s->name, ".debug_line"))
4739 if ((size_t) i >= re->shnum)
4743 if ((d = elf_getdata(s->scn, NULL)) == NULL) {
4744 elferr = elf_errno();
4746 warnx("elf_getdata failed: %s", elf_errmsg(-1));
4752 while ((ret = dwarf_next_cu_header(re->dbg, NULL, NULL, NULL, NULL,
4753 NULL, &de)) == DW_DLV_OK) {
4755 while (dwarf_siblingof(re->dbg, die, &die, &de) == DW_DLV_OK) {
4756 if (dwarf_tag(die, &tag, &de) != DW_DLV_OK) {
4757 warnx("dwarf_tag failed: %s",
4761 /* XXX: What about DW_TAG_partial_unit? */
4762 if (tag == DW_TAG_compile_unit)
4766 warnx("could not find DW_TAG_compile_unit die");
4769 if (dwarf_attrval_unsigned(die, DW_AT_stmt_list, &offset,
4773 length = re->dw_read(d, &offset, 4);
4774 if (length == 0xffffffff) {
4776 length = re->dw_read(d, &offset, 8);
4780 if (length > d->d_size - offset) {
4781 warnx("invalid .dwarf_line section");
4785 endoff = offset + length;
4786 pe = (uint8_t *) d->d_buf + endoff;
4787 version = re->dw_read(d, &offset, 2);
4788 hdrlen = re->dw_read(d, &offset, dwarf_size);
4789 minlen = re->dw_read(d, &offset, 1);
4790 defstmt = re->dw_read(d, &offset, 1);
4791 lbase = re->dw_read(d, &offset, 1);
4792 lrange = re->dw_read(d, &offset, 1);
4793 opbase = re->dw_read(d, &offset, 1);
4796 printf(" Length:\t\t\t%ju\n", (uintmax_t) length);
4797 printf(" DWARF version:\t\t%u\n", version);
4798 printf(" Prologue Length:\t\t%ju\n", (uintmax_t) hdrlen);
4799 printf(" Minimum Instruction Length:\t%u\n", minlen);
4800 printf(" Initial value of 'is_stmt':\t%u\n", defstmt);
4801 printf(" Line Base:\t\t\t%d\n", lbase);
4802 printf(" Line Range:\t\t\t%u\n", lrange);
4803 printf(" Opcode Base:\t\t\t%u\n", opbase);
4804 (void) dwarf_get_address_size(re->dbg, &pointer_size, &de);
4805 printf(" (Pointer size:\t\t%u)\n", pointer_size);
4808 printf(" Opcodes:\n");
4809 for (i = 1; i < opbase; i++) {
4810 oplen = re->dw_read(d, &offset, 1);
4811 printf(" Opcode %d has %u args\n", i, oplen);
4815 printf(" The Directory Table:\n");
4816 p = (uint8_t *) d->d_buf + offset;
4817 while (*p != '\0') {
4818 printf(" %s\n", (char *) p);
4819 p += strlen((char *) p) + 1;
4824 printf(" The File Name Table:\n");
4825 printf(" Entry\tDir\tTime\tSize\tName\n");
4827 while (*p != '\0') {
4830 p += strlen(pn) + 1;
4831 dirndx = _decode_uleb128(&p, pe);
4832 mtime = _decode_uleb128(&p, pe);
4833 fsize = _decode_uleb128(&p, pe);
4834 printf(" %d\t%ju\t%ju\t%ju\t%s\n", i,
4835 (uintmax_t) dirndx, (uintmax_t) mtime,
4836 (uintmax_t) fsize, pn);
4839 #define RESET_REGISTERS \
4845 is_stmt = defstmt; \
4848 #define LINE(x) (lbase + (((x) - opbase) % lrange))
4849 #define ADDRESS(x) ((((x) - opbase) / lrange) * minlen)
4853 printf(" Line Number Statements:\n");
4864 opsize = _decode_uleb128(&p, pe);
4865 printf(" Extended opcode %u: ", *p);
4867 case DW_LNE_end_sequence:
4870 printf("End of Sequence\n");
4872 case DW_LNE_set_address:
4874 address = re->dw_decode(&p,
4876 printf("set Address to %#jx\n",
4877 (uintmax_t) address);
4879 case DW_LNE_define_file:
4882 p += strlen(pn) + 1;
4883 dirndx = _decode_uleb128(&p, pe);
4884 mtime = _decode_uleb128(&p, pe);
4885 fsize = _decode_uleb128(&p, pe);
4886 printf("define new file: %s\n", pn);
4889 /* Unrecognized extened opcodes. */
4891 printf("unknown opcode\n");
4893 } else if (*p > 0 && *p < opbase) {
4901 case DW_LNS_advance_pc:
4902 udelta = _decode_uleb128(&p, pe) *
4905 printf(" Advance PC by %ju to %#jx\n",
4907 (uintmax_t) address);
4909 case DW_LNS_advance_line:
4910 sdelta = _decode_sleb128(&p, pe);
4912 printf(" Advance Line by %jd to %ju\n",
4916 case DW_LNS_set_file:
4917 file = _decode_uleb128(&p, pe);
4918 printf(" Set File to %ju\n",
4921 case DW_LNS_set_column:
4922 column = _decode_uleb128(&p, pe);
4923 printf(" Set Column to %ju\n",
4924 (uintmax_t) column);
4926 case DW_LNS_negate_stmt:
4928 printf(" Set is_stmt to %d\n", is_stmt);
4930 case DW_LNS_set_basic_block:
4931 printf(" Set basic block flag\n");
4933 case DW_LNS_const_add_pc:
4934 address += ADDRESS(255);
4935 printf(" Advance PC by constant %ju"
4937 (uintmax_t) ADDRESS(255),
4938 (uintmax_t) address);
4940 case DW_LNS_fixed_advance_pc:
4941 udelta = re->dw_decode(&p, 2);
4943 printf(" Advance PC by fixed value "
4946 (uintmax_t) address);
4948 case DW_LNS_set_prologue_end:
4949 printf(" Set prologue end flag\n");
4951 case DW_LNS_set_epilogue_begin:
4952 printf(" Set epilogue begin flag\n");
4954 case DW_LNS_set_isa:
4955 isa = _decode_uleb128(&p, pe);
4956 printf(" Set isa to %ju\n",
4960 /* Unrecognized extended opcodes. */
4961 printf(" Unknown extended opcode %u\n",
4971 address += ADDRESS(*p);
4972 printf(" Special opcode %u: advance Address "
4973 "by %ju to %#jx and Line by %jd to %ju\n",
4974 *p - opbase, (uintmax_t) ADDRESS(*p),
4975 (uintmax_t) address, (intmax_t) LINE(*p),
4983 if (ret == DW_DLV_ERROR)
4984 warnx("dwarf_next_cu_header: %s", dwarf_errmsg(de));
4986 #undef RESET_REGISTERS
4992 dump_dwarf_line_decoded(struct readelf *re)
4995 Dwarf_Line *linebuf, ln;
4996 Dwarf_Addr lineaddr;
4997 Dwarf_Signed linecount, srccount;
4998 Dwarf_Unsigned lineno, fn;
5000 const char *dir, *file;
5004 printf("Decoded dump of debug contents of section .debug_line:\n\n");
5005 while ((ret = dwarf_next_cu_header(re->dbg, NULL, NULL, NULL, NULL,
5006 NULL, &de)) == DW_DLV_OK) {
5007 if (dwarf_siblingof(re->dbg, NULL, &die, &de) != DW_DLV_OK)
5009 if (dwarf_attrval_string(die, DW_AT_name, &file, &de) !=
5012 if (dwarf_attrval_string(die, DW_AT_comp_dir, &dir, &de) !=
5016 if (dir && file && file[0] != '/')
5021 printf("%-37s %11s %s\n", "Filename", "Line Number",
5022 "Starting Address");
5023 if (dwarf_srclines(die, &linebuf, &linecount, &de) != DW_DLV_OK)
5025 if (dwarf_srcfiles(die, &srcfiles, &srccount, &de) != DW_DLV_OK)
5027 for (i = 0; i < linecount; i++) {
5029 if (dwarf_line_srcfileno(ln, &fn, &de) != DW_DLV_OK)
5031 if (dwarf_lineno(ln, &lineno, &de) != DW_DLV_OK)
5033 if (dwarf_lineaddr(ln, &lineaddr, &de) != DW_DLV_OK)
5035 printf("%-37s %11ju %#18jx\n",
5036 basename(srcfiles[fn - 1]), (uintmax_t) lineno,
5037 (uintmax_t) lineaddr);
5044 dump_dwarf_die(struct readelf *re, Dwarf_Die die, int level)
5046 Dwarf_Attribute *attr_list;
5048 Dwarf_Off dieoff, cuoff, culen, attroff;
5049 Dwarf_Unsigned ate, lang, v_udata, v_sig;
5050 Dwarf_Signed attr_count, v_sdata;
5053 Dwarf_Half tag, attr, form;
5054 Dwarf_Block *v_block;
5055 Dwarf_Bool v_bool, is_info;
5059 const char *tag_str, *attr_str, *ate_str, *lang_str;
5060 char unk_tag[32], unk_attr[32];
5065 if (dwarf_dieoffset(die, &dieoff, &de) != DW_DLV_OK) {
5066 warnx("dwarf_dieoffset failed: %s", dwarf_errmsg(de));
5070 printf(" <%d><%jx>: ", level, (uintmax_t) dieoff);
5072 if (dwarf_die_CU_offset_range(die, &cuoff, &culen, &de) != DW_DLV_OK) {
5073 warnx("dwarf_die_CU_offset_range failed: %s",
5078 abc = dwarf_die_abbrev_code(die);
5079 if (dwarf_tag(die, &tag, &de) != DW_DLV_OK) {
5080 warnx("dwarf_tag failed: %s", dwarf_errmsg(de));
5083 if (dwarf_get_TAG_name(tag, &tag_str) != DW_DLV_OK) {
5084 snprintf(unk_tag, sizeof(unk_tag), "[Unknown Tag: %#x]", tag);
5088 printf("Abbrev Number: %d (%s)\n", abc, tag_str);
5090 if ((ret = dwarf_attrlist(die, &attr_list, &attr_count, &de)) !=
5092 if (ret == DW_DLV_ERROR)
5093 warnx("dwarf_attrlist failed: %s", dwarf_errmsg(de));
5097 for (i = 0; i < attr_count; i++) {
5098 if (dwarf_whatform(attr_list[i], &form, &de) != DW_DLV_OK) {
5099 warnx("dwarf_whatform failed: %s", dwarf_errmsg(de));
5102 if (dwarf_whatattr(attr_list[i], &attr, &de) != DW_DLV_OK) {
5103 warnx("dwarf_whatattr failed: %s", dwarf_errmsg(de));
5106 if (dwarf_get_AT_name(attr, &attr_str) != DW_DLV_OK) {
5107 snprintf(unk_attr, sizeof(unk_attr),
5108 "[Unknown AT: %#x]", attr);
5109 attr_str = unk_attr;
5111 if (dwarf_attroffset(attr_list[i], &attroff, &de) !=
5113 warnx("dwarf_attroffset failed: %s", dwarf_errmsg(de));
5116 printf(" <%jx> %-18s: ", (uintmax_t) attroff, attr_str);
5118 case DW_FORM_ref_addr:
5119 case DW_FORM_sec_offset:
5120 if (dwarf_global_formref(attr_list[i], &v_off, &de) !=
5122 warnx("dwarf_global_formref failed: %s",
5126 if (form == DW_FORM_ref_addr)
5127 printf("<0x%jx>", (uintmax_t) v_off);
5129 printf("0x%jx", (uintmax_t) v_off);
5136 case DW_FORM_ref_udata:
5137 if (dwarf_formref(attr_list[i], &v_off, &de) !=
5139 warnx("dwarf_formref failed: %s",
5144 printf("<0x%jx>", (uintmax_t) v_off);
5148 if (dwarf_formaddr(attr_list[i], &v_addr, &de) !=
5150 warnx("dwarf_formaddr failed: %s",
5154 printf("%#jx", (uintmax_t) v_addr);
5162 if (dwarf_formudata(attr_list[i], &v_udata, &de) !=
5164 warnx("dwarf_formudata failed: %s",
5168 if (attr == DW_AT_high_pc)
5169 printf("0x%jx", (uintmax_t) v_udata);
5171 printf("%ju", (uintmax_t) v_udata);
5175 if (dwarf_formsdata(attr_list[i], &v_sdata, &de) !=
5177 warnx("dwarf_formudata failed: %s",
5181 printf("%jd", (intmax_t) v_sdata);
5185 if (dwarf_formflag(attr_list[i], &v_bool, &de) !=
5187 warnx("dwarf_formflag failed: %s",
5191 printf("%jd", (intmax_t) v_bool);
5194 case DW_FORM_flag_present:
5198 case DW_FORM_string:
5200 if (dwarf_formstring(attr_list[i], &v_str, &de) !=
5202 warnx("dwarf_formstring failed: %s",
5206 if (form == DW_FORM_string)
5207 printf("%s", v_str);
5209 printf("(indirect string) %s", v_str);
5213 case DW_FORM_block1:
5214 case DW_FORM_block2:
5215 case DW_FORM_block4:
5216 if (dwarf_formblock(attr_list[i], &v_block, &de) !=
5218 warnx("dwarf_formblock failed: %s",
5222 printf("%ju byte block:", (uintmax_t) v_block->bl_len);
5223 b = v_block->bl_data;
5224 for (j = 0; (Dwarf_Unsigned) j < v_block->bl_len; j++)
5225 printf(" %x", b[j]);
5227 dump_dwarf_block(re, v_block->bl_data, v_block->bl_len);
5231 case DW_FORM_exprloc:
5232 if (dwarf_formexprloc(attr_list[i], &v_udata, &v_expr,
5233 &de) != DW_DLV_OK) {
5234 warnx("dwarf_formexprloc failed: %s",
5238 printf("%ju byte block:", (uintmax_t) v_udata);
5240 for (j = 0; (Dwarf_Unsigned) j < v_udata; j++)
5241 printf(" %x", b[j]);
5243 dump_dwarf_block(re, v_expr, v_udata);
5247 case DW_FORM_ref_sig8:
5248 if (dwarf_formsig8(attr_list[i], &v_sig8, &de) !=
5250 warnx("dwarf_formsig8 failed: %s",
5254 p = (uint8_t *)(uintptr_t) &v_sig8.signature[0];
5255 v_sig = re->dw_decode(&p, 8);
5256 printf("signature: 0x%jx", (uintmax_t) v_sig);
5259 case DW_AT_encoding:
5260 if (dwarf_attrval_unsigned(die, attr, &ate, &de) !=
5263 if (dwarf_get_ATE_name(ate, &ate_str) != DW_DLV_OK)
5264 ate_str = "DW_ATE_UNKNOWN";
5265 printf("\t(%s)", &ate_str[strlen("DW_ATE_")]);
5268 case DW_AT_language:
5269 if (dwarf_attrval_unsigned(die, attr, &lang, &de) !=
5272 if (dwarf_get_LANG_name(lang, &lang_str) != DW_DLV_OK)
5274 printf("\t(%s)", &lang_str[strlen("DW_LANG_")]);
5277 case DW_AT_location:
5278 case DW_AT_string_length:
5279 case DW_AT_return_addr:
5280 case DW_AT_data_member_location:
5281 case DW_AT_frame_base:
5283 case DW_AT_static_link:
5284 case DW_AT_use_location:
5285 case DW_AT_vtable_elem_location:
5289 case DW_FORM_sec_offset:
5290 printf("\t(location list)");
5304 /* Search children. */
5305 ret = dwarf_child(die, &ret_die, &de);
5306 if (ret == DW_DLV_ERROR)
5307 warnx("dwarf_child: %s", dwarf_errmsg(de));
5308 else if (ret == DW_DLV_OK)
5309 dump_dwarf_die(re, ret_die, level + 1);
5311 /* Search sibling. */
5312 is_info = dwarf_get_die_infotypes_flag(die);
5313 ret = dwarf_siblingof_b(re->dbg, die, &ret_die, is_info, &de);
5314 if (ret == DW_DLV_ERROR)
5315 warnx("dwarf_siblingof: %s", dwarf_errmsg(de));
5316 else if (ret == DW_DLV_OK)
5317 dump_dwarf_die(re, ret_die, level);
5319 dwarf_dealloc(re->dbg, die, DW_DLA_DIE);
5323 set_cu_context(struct readelf *re, Dwarf_Half psize, Dwarf_Half osize,
5327 re->cu_psize = psize;
5328 re->cu_osize = osize;
5333 dump_dwarf_info(struct readelf *re, Dwarf_Bool is_info)
5338 Dwarf_Half tag, version, pointer_size, off_size;
5339 Dwarf_Off cu_offset, cu_length;
5341 Dwarf_Unsigned typeoff;
5348 sn = is_info ? ".debug_info" : ".debug_types";
5351 for (i = 0; (size_t) i < re->shnum; i++) {
5353 if (s->name != NULL && !strcmp(s->name, sn))
5356 if ((size_t) i >= re->shnum)
5360 printf("\nDump of debug contents of section %s:\n", sn);
5362 while ((ret = dwarf_next_cu_header_c(re->dbg, is_info, NULL,
5363 &version, &aboff, &pointer_size, &off_size, NULL, &sig8,
5364 &typeoff, NULL, &de)) == DW_DLV_OK) {
5365 set_cu_context(re, pointer_size, off_size, version);
5367 while (dwarf_siblingof_b(re->dbg, die, &die, is_info,
5368 &de) == DW_DLV_OK) {
5369 if (dwarf_tag(die, &tag, &de) != DW_DLV_OK) {
5370 warnx("dwarf_tag failed: %s",
5374 /* XXX: What about DW_TAG_partial_unit? */
5375 if ((is_info && tag == DW_TAG_compile_unit) ||
5376 (!is_info && tag == DW_TAG_type_unit))
5379 if (die == NULL && is_info) {
5380 warnx("could not find DW_TAG_compile_unit "
5383 } else if (die == NULL && !is_info) {
5384 warnx("could not find DW_TAG_type_unit die");
5388 if (dwarf_die_CU_offset_range(die, &cu_offset,
5389 &cu_length, &de) != DW_DLV_OK) {
5390 warnx("dwarf_die_CU_offset failed: %s",
5395 cu_length -= off_size == 4 ? 4 : 12;
5399 p = (uint8_t *)(uintptr_t) &sig8.signature[0];
5400 sig = re->dw_decode(&p, 8);
5403 printf("\n Type Unit @ offset 0x%jx:\n",
5404 (uintmax_t) cu_offset);
5405 printf(" Length:\t\t%#jx (%d-bit)\n",
5406 (uintmax_t) cu_length, off_size == 4 ? 32 : 64);
5407 printf(" Version:\t\t%u\n", version);
5408 printf(" Abbrev Offset:\t0x%jx\n",
5410 printf(" Pointer Size:\t%u\n", pointer_size);
5412 printf(" Signature:\t\t0x%016jx\n",
5414 printf(" Type Offset:\t0x%jx\n",
5415 (uintmax_t) typeoff);
5418 dump_dwarf_die(re, die, 0);
5420 if (ret == DW_DLV_ERROR)
5421 warnx("dwarf_next_cu_header: %s", dwarf_errmsg(de));
5424 } while (dwarf_next_types_section(re->dbg, &de) == DW_DLV_OK);
5428 dump_dwarf_abbrev(struct readelf *re)
5431 Dwarf_Off aboff, atoff;
5432 Dwarf_Unsigned length, attr_count;
5433 Dwarf_Signed flag, form;
5434 Dwarf_Half tag, attr;
5436 const char *tag_str, *attr_str, *form_str;
5437 char unk_tag[32], unk_attr[32], unk_form[32];
5440 printf("\nContents of section .debug_abbrev:\n\n");
5442 while ((ret = dwarf_next_cu_header(re->dbg, NULL, NULL, &aboff,
5443 NULL, NULL, &de)) == DW_DLV_OK) {
5444 printf(" Number TAG\n");
5446 while ((ret = dwarf_get_abbrev(re->dbg, aboff, &ab, &length,
5447 &attr_count, &de)) == DW_DLV_OK) {
5449 dwarf_dealloc(re->dbg, ab, DW_DLA_ABBREV);
5454 if (dwarf_get_abbrev_tag(ab, &tag, &de) != DW_DLV_OK) {
5455 warnx("dwarf_get_abbrev_tag failed: %s",
5459 if (dwarf_get_TAG_name(tag, &tag_str) != DW_DLV_OK) {
5460 snprintf(unk_tag, sizeof(unk_tag),
5461 "[Unknown Tag: %#x]", tag);
5464 if (dwarf_get_abbrev_children_flag(ab, &flag, &de) !=
5466 warnx("dwarf_get_abbrev_children_flag failed:"
5467 " %s", dwarf_errmsg(de));
5470 printf(" %s %s\n", tag_str,
5471 flag ? "[has children]" : "[no children]");
5472 for (j = 0; (Dwarf_Unsigned) j < attr_count; j++) {
5473 if (dwarf_get_abbrev_entry(ab, (Dwarf_Signed) j,
5474 &attr, &form, &atoff, &de) != DW_DLV_OK) {
5475 warnx("dwarf_get_abbrev_entry failed:"
5476 " %s", dwarf_errmsg(de));
5479 if (dwarf_get_AT_name(attr, &attr_str) !=
5481 snprintf(unk_attr, sizeof(unk_attr),
5482 "[Unknown AT: %#x]", attr);
5483 attr_str = unk_attr;
5485 if (dwarf_get_FORM_name(form, &form_str) !=
5487 snprintf(unk_form, sizeof(unk_form),
5488 "[Unknown Form: %#x]",
5490 form_str = unk_form;
5492 printf(" %-18s %s\n", attr_str, form_str);
5495 dwarf_dealloc(re->dbg, ab, DW_DLA_ABBREV);
5497 if (ret != DW_DLV_OK)
5498 warnx("dwarf_get_abbrev: %s", dwarf_errmsg(de));
5500 if (ret == DW_DLV_ERROR)
5501 warnx("dwarf_next_cu_header: %s", dwarf_errmsg(de));
5505 dump_dwarf_pubnames(struct readelf *re)
5509 Dwarf_Unsigned offset, length, nt_cu_offset, nt_cu_length;
5511 Dwarf_Global *globs;
5512 Dwarf_Half nt_version;
5516 int i, dwarf_size, elferr;
5518 printf("\nContents of the .debug_pubnames section:\n");
5521 for (i = 0; (size_t) i < re->shnum; i++) {
5523 if (s->name != NULL && !strcmp(s->name, ".debug_pubnames"))
5526 if ((size_t) i >= re->shnum)
5530 if ((d = elf_getdata(s->scn, NULL)) == NULL) {
5531 elferr = elf_errno();
5533 warnx("elf_getdata failed: %s", elf_errmsg(-1));
5539 /* Read in .debug_pubnames section table header. */
5541 length = re->dw_read(d, &offset, 4);
5542 if (length == 0xffffffff) {
5544 length = re->dw_read(d, &offset, 8);
5548 if (length > d->d_size - offset) {
5549 warnx("invalid .dwarf_pubnames section");
5553 nt_version = re->dw_read(d, &offset, 2);
5554 nt_cu_offset = re->dw_read(d, &offset, dwarf_size);
5555 nt_cu_length = re->dw_read(d, &offset, dwarf_size);
5556 printf(" Length:\t\t\t\t%ju\n", (uintmax_t) length);
5557 printf(" Version:\t\t\t\t%u\n", nt_version);
5558 printf(" Offset into .debug_info section:\t%ju\n",
5559 (uintmax_t) nt_cu_offset);
5560 printf(" Size of area in .debug_info section:\t%ju\n",
5561 (uintmax_t) nt_cu_length);
5563 if (dwarf_get_globals(re->dbg, &globs, &cnt, &de) != DW_DLV_OK) {
5564 warnx("dwarf_get_globals failed: %s", dwarf_errmsg(de));
5568 printf("\n Offset Name\n");
5569 for (i = 0; i < cnt; i++) {
5570 if (dwarf_globname(globs[i], &glob_name, &de) != DW_DLV_OK) {
5571 warnx("dwarf_globname failed: %s", dwarf_errmsg(de));
5574 if (dwarf_global_die_offset(globs[i], &die_off, &de) !=
5576 warnx("dwarf_global_die_offset failed: %s",
5580 printf(" %-11ju %s\n", (uintmax_t) die_off, glob_name);
5585 dump_dwarf_aranges(struct readelf *re)
5588 Dwarf_Arange *aranges;
5590 Dwarf_Unsigned offset, length, as_cu_offset;
5593 Dwarf_Half as_version, as_addrsz, as_segsz;
5596 int i, dwarf_size, elferr;
5598 printf("\nContents of section .debug_aranges:\n");
5601 for (i = 0; (size_t) i < re->shnum; i++) {
5603 if (s->name != NULL && !strcmp(s->name, ".debug_aranges"))
5606 if ((size_t) i >= re->shnum)
5610 if ((d = elf_getdata(s->scn, NULL)) == NULL) {
5611 elferr = elf_errno();
5613 warnx("elf_getdata failed: %s", elf_errmsg(-1));
5619 /* Read in the .debug_aranges section table header. */
5621 length = re->dw_read(d, &offset, 4);
5622 if (length == 0xffffffff) {
5624 length = re->dw_read(d, &offset, 8);
5628 if (length > d->d_size - offset) {
5629 warnx("invalid .dwarf_aranges section");
5633 as_version = re->dw_read(d, &offset, 2);
5634 as_cu_offset = re->dw_read(d, &offset, dwarf_size);
5635 as_addrsz = re->dw_read(d, &offset, 1);
5636 as_segsz = re->dw_read(d, &offset, 1);
5638 printf(" Length:\t\t\t%ju\n", (uintmax_t) length);
5639 printf(" Version:\t\t\t%u\n", as_version);
5640 printf(" Offset into .debug_info:\t%ju\n", (uintmax_t) as_cu_offset);
5641 printf(" Pointer Size:\t\t\t%u\n", as_addrsz);
5642 printf(" Segment Size:\t\t\t%u\n", as_segsz);
5644 if (dwarf_get_aranges(re->dbg, &aranges, &cnt, &de) != DW_DLV_OK) {
5645 warnx("dwarf_get_aranges failed: %s", dwarf_errmsg(de));
5649 printf("\n Address Length\n");
5650 for (i = 0; i < cnt; i++) {
5651 if (dwarf_get_arange_info(aranges[i], &start, &length,
5652 &die_off, &de) != DW_DLV_OK) {
5653 warnx("dwarf_get_arange_info failed: %s",
5657 printf(" %08jx %ju\n", (uintmax_t) start,
5658 (uintmax_t) length);
5663 dump_dwarf_ranges_foreach(struct readelf *re, Dwarf_Die die, Dwarf_Addr base)
5665 Dwarf_Attribute *attr_list;
5666 Dwarf_Ranges *ranges;
5671 Dwarf_Signed attr_count, cnt;
5672 Dwarf_Unsigned off, bytecnt;
5675 if ((ret = dwarf_attrlist(die, &attr_list, &attr_count, &de)) !=
5677 if (ret == DW_DLV_ERROR)
5678 warnx("dwarf_attrlist failed: %s", dwarf_errmsg(de));
5682 for (i = 0; i < attr_count; i++) {
5683 if (dwarf_whatattr(attr_list[i], &attr, &de) != DW_DLV_OK) {
5684 warnx("dwarf_whatattr failed: %s", dwarf_errmsg(de));
5687 if (attr != DW_AT_ranges)
5689 if (dwarf_formudata(attr_list[i], &off, &de) != DW_DLV_OK) {
5690 warnx("dwarf_formudata failed: %s", dwarf_errmsg(de));
5693 if (dwarf_get_ranges(re->dbg, (Dwarf_Off) off, &ranges, &cnt,
5694 &bytecnt, &de) != DW_DLV_OK)
5697 for (j = 0; j < cnt; j++) {
5698 printf(" %08jx ", (uintmax_t) off);
5699 if (ranges[j].dwr_type == DW_RANGES_END) {
5700 printf("%s\n", "<End of list>");
5702 } else if (ranges[j].dwr_type ==
5703 DW_RANGES_ADDRESS_SELECTION) {
5704 base0 = ranges[j].dwr_addr2;
5707 if (re->ec == ELFCLASS32)
5708 printf("%08jx %08jx\n",
5709 (uintmax_t) (ranges[j].dwr_addr1 + base0),
5710 (uintmax_t) (ranges[j].dwr_addr2 + base0));
5712 printf("%016jx %016jx\n",
5713 (uintmax_t) (ranges[j].dwr_addr1 + base0),
5714 (uintmax_t) (ranges[j].dwr_addr2 + base0));
5719 /* Search children. */
5720 ret = dwarf_child(die, &ret_die, &de);
5721 if (ret == DW_DLV_ERROR)
5722 warnx("dwarf_child: %s", dwarf_errmsg(de));
5723 else if (ret == DW_DLV_OK)
5724 dump_dwarf_ranges_foreach(re, ret_die, base);
5726 /* Search sibling. */
5727 ret = dwarf_siblingof(re->dbg, die, &ret_die, &de);
5728 if (ret == DW_DLV_ERROR)
5729 warnx("dwarf_siblingof: %s", dwarf_errmsg(de));
5730 else if (ret == DW_DLV_OK)
5731 dump_dwarf_ranges_foreach(re, ret_die, base);
5735 dump_dwarf_ranges(struct readelf *re)
5737 Dwarf_Ranges *ranges;
5740 Dwarf_Unsigned bytecnt;
5743 Dwarf_Unsigned lowpc;
5746 if (dwarf_get_ranges(re->dbg, 0, &ranges, &cnt, &bytecnt, &de) !=
5750 printf("Contents of the .debug_ranges section:\n\n");
5751 if (re->ec == ELFCLASS32)
5752 printf(" %-8s %-8s %s\n", "Offset", "Begin", "End");
5754 printf(" %-8s %-16s %s\n", "Offset", "Begin", "End");
5756 while ((ret = dwarf_next_cu_header(re->dbg, NULL, NULL, NULL, NULL,
5757 NULL, &de)) == DW_DLV_OK) {
5759 if (dwarf_siblingof(re->dbg, die, &die, &de) != DW_DLV_OK)
5761 if (dwarf_tag(die, &tag, &de) != DW_DLV_OK) {
5762 warnx("dwarf_tag failed: %s", dwarf_errmsg(de));
5765 /* XXX: What about DW_TAG_partial_unit? */
5767 if (tag == DW_TAG_compile_unit) {
5768 if (dwarf_attrval_unsigned(die, DW_AT_low_pc, &lowpc,
5773 dump_dwarf_ranges_foreach(re, die, (Dwarf_Addr) lowpc);
5779 dump_dwarf_macinfo(struct readelf *re)
5781 Dwarf_Unsigned offset;
5783 Dwarf_Macro_Details *md;
5789 #define _MAX_MACINFO_ENTRY 65535
5791 printf("\nContents of section .debug_macinfo:\n\n");
5794 while (dwarf_get_macro_details(re->dbg, offset, _MAX_MACINFO_ENTRY,
5795 &cnt, &md, &de) == DW_DLV_OK) {
5796 for (i = 0; i < cnt; i++) {
5797 offset = md[i].dmd_offset + 1;
5798 if (md[i].dmd_type == 0)
5800 if (dwarf_get_MACINFO_name(md[i].dmd_type, &mi_str) !=
5802 snprintf(unk_mi, sizeof(unk_mi),
5803 "[Unknown MACINFO: %#x]", md[i].dmd_type);
5806 printf(" %s", mi_str);
5807 switch (md[i].dmd_type) {
5808 case DW_MACINFO_define:
5809 case DW_MACINFO_undef:
5810 printf(" - lineno : %jd macro : %s\n",
5811 (intmax_t) md[i].dmd_lineno,
5814 case DW_MACINFO_start_file:
5815 printf(" - lineno : %jd filenum : %jd\n",
5816 (intmax_t) md[i].dmd_lineno,
5817 (intmax_t) md[i].dmd_fileindex);
5826 #undef _MAX_MACINFO_ENTRY
5830 dump_dwarf_frame_inst(struct readelf *re, Dwarf_Cie cie, uint8_t *insts,
5831 Dwarf_Unsigned len, Dwarf_Unsigned caf, Dwarf_Signed daf, Dwarf_Addr pc,
5834 Dwarf_Frame_Op *oplist;
5835 Dwarf_Signed opcnt, delta;
5842 if (dwarf_expand_frame_instructions(cie, insts, len, &oplist,
5843 &opcnt, &de) != DW_DLV_OK) {
5844 warnx("dwarf_expand_frame_instructions failed: %s",
5849 for (i = 0; i < opcnt; i++) {
5850 if (oplist[i].fp_base_op != 0)
5851 op = oplist[i].fp_base_op << 6;
5853 op = oplist[i].fp_extended_op;
5854 if (dwarf_get_CFA_name(op, &op_str) != DW_DLV_OK) {
5855 snprintf(unk_op, sizeof(unk_op), "[Unknown CFA: %#x]",
5859 printf(" %s", op_str);
5861 case DW_CFA_advance_loc:
5862 delta = oplist[i].fp_offset * caf;
5864 printf(": %ju to %08jx", (uintmax_t) delta,
5868 case DW_CFA_offset_extended:
5869 case DW_CFA_offset_extended_sf:
5870 delta = oplist[i].fp_offset * daf;
5871 printf(": r%u (%s) at cfa%+jd", oplist[i].fp_register,
5872 dwarf_regname(re, oplist[i].fp_register),
5875 case DW_CFA_restore:
5876 printf(": r%u (%s)", oplist[i].fp_register,
5877 dwarf_regname(re, oplist[i].fp_register));
5879 case DW_CFA_set_loc:
5880 pc = oplist[i].fp_offset;
5881 printf(": to %08jx", (uintmax_t) pc);
5883 case DW_CFA_advance_loc1:
5884 case DW_CFA_advance_loc2:
5885 case DW_CFA_advance_loc4:
5886 pc += oplist[i].fp_offset;
5887 printf(": %jd to %08jx", (intmax_t) oplist[i].fp_offset,
5890 case DW_CFA_def_cfa:
5891 printf(": r%u (%s) ofs %ju", oplist[i].fp_register,
5892 dwarf_regname(re, oplist[i].fp_register),
5893 (uintmax_t) oplist[i].fp_offset);
5895 case DW_CFA_def_cfa_sf:
5896 printf(": r%u (%s) ofs %jd", oplist[i].fp_register,
5897 dwarf_regname(re, oplist[i].fp_register),
5898 (intmax_t) (oplist[i].fp_offset * daf));
5900 case DW_CFA_def_cfa_register:
5901 printf(": r%u (%s)", oplist[i].fp_register,
5902 dwarf_regname(re, oplist[i].fp_register));
5904 case DW_CFA_def_cfa_offset:
5905 printf(": %ju", (uintmax_t) oplist[i].fp_offset);
5907 case DW_CFA_def_cfa_offset_sf:
5908 printf(": %jd", (intmax_t) (oplist[i].fp_offset * daf));
5916 dwarf_dealloc(dbg, oplist, DW_DLA_FRAME_BLOCK);
5920 get_regoff_str(struct readelf *re, Dwarf_Half reg, Dwarf_Addr off)
5924 if (reg == DW_FRAME_UNDEFINED_VAL || reg == DW_FRAME_REG_INITIAL_VALUE)
5925 snprintf(rs, sizeof(rs), "%c", 'u');
5926 else if (reg == DW_FRAME_CFA_COL)
5927 snprintf(rs, sizeof(rs), "c%+jd", (intmax_t) off);
5929 snprintf(rs, sizeof(rs), "%s%+jd", dwarf_regname(re, reg),
5936 dump_dwarf_frame_regtable(struct readelf *re, Dwarf_Fde fde, Dwarf_Addr pc,
5937 Dwarf_Unsigned func_len, Dwarf_Half cie_ra)
5940 Dwarf_Addr row_pc, end_pc, pre_pc, cur_pc;
5945 #define BIT_SET(v, n) (v[(n)>>3] |= 1U << ((n) & 7))
5946 #define BIT_CLR(v, n) (v[(n)>>3] &= ~(1U << ((n) & 7)))
5947 #define BIT_ISSET(v, n) (v[(n)>>3] & (1U << ((n) & 7)))
5948 #define RT(x) rt.rules[(x)]
5950 vec = calloc((DW_REG_TABLE_SIZE + 7) / 8, 1);
5952 err(EXIT_FAILURE, "calloc failed");
5954 pre_pc = ~((Dwarf_Addr) 0);
5956 end_pc = pc + func_len;
5957 for (; cur_pc < end_pc; cur_pc++) {
5958 if (dwarf_get_fde_info_for_all_regs(fde, cur_pc, &rt, &row_pc,
5959 &de) != DW_DLV_OK) {
5960 warnx("dwarf_get_fde_info_for_all_regs failed: %s\n",
5964 if (row_pc == pre_pc)
5967 for (i = 1; i < DW_REG_TABLE_SIZE; i++) {
5968 if (rt.rules[i].dw_regnum != DW_FRAME_REG_INITIAL_VALUE)
5973 printf(" LOC CFA ");
5974 for (i = 1; i < DW_REG_TABLE_SIZE; i++) {
5975 if (BIT_ISSET(vec, i)) {
5976 if ((Dwarf_Half) i == cie_ra)
5980 dwarf_regname(re, (unsigned int) i));
5985 pre_pc = ~((Dwarf_Addr) 0);
5987 end_pc = pc + func_len;
5988 for (; cur_pc < end_pc; cur_pc++) {
5989 if (dwarf_get_fde_info_for_all_regs(fde, cur_pc, &rt, &row_pc,
5990 &de) != DW_DLV_OK) {
5991 warnx("dwarf_get_fde_info_for_all_regs failed: %s\n",
5995 if (row_pc == pre_pc)
5998 printf("%08jx ", (uintmax_t) row_pc);
5999 printf("%-8s ", get_regoff_str(re, RT(0).dw_regnum,
6001 for (i = 1; i < DW_REG_TABLE_SIZE; i++) {
6002 if (BIT_ISSET(vec, i)) {
6003 printf("%-5s", get_regoff_str(re,
6004 RT(i).dw_regnum, RT(i).dw_offset));
6021 dump_dwarf_frame_section(struct readelf *re, struct section *s, int alt)
6023 Dwarf_Cie *cie_list, cie, pre_cie;
6024 Dwarf_Fde *fde_list, fde;
6025 Dwarf_Off cie_offset, fde_offset;
6026 Dwarf_Unsigned cie_length, fde_instlen;
6027 Dwarf_Unsigned cie_caf, cie_daf, cie_instlen, func_len, fde_length;
6028 Dwarf_Signed cie_count, fde_count, cie_index;
6031 Dwarf_Small cie_version;
6032 Dwarf_Ptr fde_addr, fde_inst, cie_inst;
6037 printf("\nThe section %s contains:\n\n", s->name);
6039 if (!strcmp(s->name, ".debug_frame")) {
6041 if (dwarf_get_fde_list(re->dbg, &cie_list, &cie_count,
6042 &fde_list, &fde_count, &de) != DW_DLV_OK) {
6043 warnx("dwarf_get_fde_list failed: %s",
6047 } else if (!strcmp(s->name, ".eh_frame")) {
6049 if (dwarf_get_fde_list_eh(re->dbg, &cie_list, &cie_count,
6050 &fde_list, &fde_count, &de) != DW_DLV_OK) {
6051 warnx("dwarf_get_fde_list_eh failed: %s",
6059 for (i = 0; i < fde_count; i++) {
6060 if (dwarf_get_fde_n(fde_list, i, &fde, &de) != DW_DLV_OK) {
6061 warnx("dwarf_get_fde_n failed: %s", dwarf_errmsg(de));
6064 if (dwarf_get_cie_of_fde(fde, &cie, &de) != DW_DLV_OK) {
6065 warnx("dwarf_get_fde_n failed: %s", dwarf_errmsg(de));
6068 if (dwarf_get_fde_range(fde, &low_pc, &func_len, &fde_addr,
6069 &fde_length, &cie_offset, &cie_index, &fde_offset,
6070 &de) != DW_DLV_OK) {
6071 warnx("dwarf_get_fde_range failed: %s",
6075 if (dwarf_get_fde_instr_bytes(fde, &fde_inst, &fde_instlen,
6076 &de) != DW_DLV_OK) {
6077 warnx("dwarf_get_fde_instr_bytes failed: %s",
6081 if (pre_cie == NULL || cie != pre_cie) {
6083 if (dwarf_get_cie_info(cie, &cie_length, &cie_version,
6084 &cie_aug, &cie_caf, &cie_daf, &cie_ra,
6085 &cie_inst, &cie_instlen, &de) != DW_DLV_OK) {
6086 warnx("dwarf_get_cie_info failed: %s",
6090 printf("%08jx %08jx %8.8jx CIE",
6091 (uintmax_t) cie_offset,
6092 (uintmax_t) cie_length,
6093 (uintmax_t) (eh_frame ? 0 : ~0U));
6096 printf(" Version:\t\t\t%u\n", cie_version);
6097 printf(" Augmentation:\t\t\t\"");
6098 while ((c = *cie_aug++) != '\0')
6101 printf(" Code alignment factor:\t%ju\n",
6102 (uintmax_t) cie_caf);
6103 printf(" Data alignment factor:\t%jd\n",
6104 (intmax_t) cie_daf);
6105 printf(" Return address column:\t%ju\n",
6106 (uintmax_t) cie_ra);
6108 dump_dwarf_frame_inst(re, cie, cie_inst,
6109 cie_instlen, cie_caf, cie_daf, 0,
6114 while ((c = *cie_aug++) != '\0')
6117 printf(" cf=%ju df=%jd ra=%ju\n",
6118 (uintmax_t) cie_caf,
6119 (uintmax_t) cie_daf,
6120 (uintmax_t) cie_ra);
6121 dump_dwarf_frame_regtable(re, fde, low_pc, 1,
6126 printf("%08jx %08jx %08jx FDE cie=%08jx pc=%08jx..%08jx\n",
6127 (uintmax_t) fde_offset, (uintmax_t) fde_length,
6128 (uintmax_t) cie_offset,
6129 (uintmax_t) (eh_frame ? fde_offset + 4 - cie_offset :
6131 (uintmax_t) low_pc, (uintmax_t) (low_pc + func_len));
6133 dump_dwarf_frame_inst(re, cie, fde_inst, fde_instlen,
6134 cie_caf, cie_daf, low_pc, re->dbg);
6136 dump_dwarf_frame_regtable(re, fde, low_pc, func_len,
6143 dump_dwarf_frame(struct readelf *re, int alt)
6148 (void) dwarf_set_frame_cfa_value(re->dbg, DW_FRAME_CFA_COL);
6150 for (i = 0; (size_t) i < re->shnum; i++) {
6152 if (s->name != NULL && (!strcmp(s->name, ".debug_frame") ||
6153 !strcmp(s->name, ".eh_frame")))
6154 dump_dwarf_frame_section(re, s, alt);
6159 dump_dwarf_str(struct readelf *re)
6164 int elferr, end, i, j;
6166 printf("\nContents of section .debug_str:\n");
6169 for (i = 0; (size_t) i < re->shnum; i++) {
6171 if (s->name != NULL && !strcmp(s->name, ".debug_str"))
6174 if ((size_t) i >= re->shnum)
6178 if ((d = elf_getdata(s->scn, NULL)) == NULL) {
6179 elferr = elf_errno();
6181 warnx("elf_getdata failed: %s", elf_errmsg(-1));
6187 for (i = 0, p = d->d_buf; (size_t) i < d->d_size; i += 16) {
6188 printf(" 0x%08x", (unsigned int) i);
6189 if ((size_t) i + 16 > d->d_size)
6193 for (j = i; j < i + 16; j++) {
6194 if ((j - i) % 4 == 0)
6200 printf("%02x", (uint8_t) p[j]);
6203 for (j = i; j < end; j++) {
6216 loc_at_comparator(const void *la1, const void *la2)
6218 const struct loc_at *left, *right;
6220 left = (const struct loc_at *)la1;
6221 right = (const struct loc_at *)la2;
6223 if (left->la_off > right->la_off)
6225 else if (left->la_off < right->la_off)
6232 search_loclist_at(struct readelf *re, Dwarf_Die die, Dwarf_Unsigned lowpc,
6233 struct loc_at **la_list, size_t *la_list_len, size_t *la_list_cap)
6236 Dwarf_Attribute *attr_list;
6240 Dwarf_Signed attr_count;
6241 Dwarf_Half attr, form;
6246 is_info = dwarf_get_die_infotypes_flag(die);
6248 if ((ret = dwarf_attrlist(die, &attr_list, &attr_count, &de)) !=
6250 if (ret == DW_DLV_ERROR)
6251 warnx("dwarf_attrlist failed: %s", dwarf_errmsg(de));
6254 for (i = 0; i < attr_count; i++) {
6255 if (dwarf_whatattr(attr_list[i], &attr, &de) != DW_DLV_OK) {
6256 warnx("dwarf_whatattr failed: %s", dwarf_errmsg(de));
6259 if (attr != DW_AT_location &&
6260 attr != DW_AT_string_length &&
6261 attr != DW_AT_return_addr &&
6262 attr != DW_AT_data_member_location &&
6263 attr != DW_AT_frame_base &&
6264 attr != DW_AT_segment &&
6265 attr != DW_AT_static_link &&
6266 attr != DW_AT_use_location &&
6267 attr != DW_AT_vtable_elem_location)
6269 if (dwarf_whatform(attr_list[i], &form, &de) != DW_DLV_OK) {
6270 warnx("dwarf_whatform failed: %s", dwarf_errmsg(de));
6273 if (form == DW_FORM_data4 || form == DW_FORM_data8) {
6274 if (dwarf_formudata(attr_list[i], &off, &de) !=
6276 warnx("dwarf_formudata failed: %s",
6280 } else if (form == DW_FORM_sec_offset) {
6281 if (dwarf_global_formref(attr_list[i], &ref, &de) !=
6283 warnx("dwarf_global_formref failed: %s",
6291 if (*la_list_cap == *la_list_len) {
6292 *la_list = realloc(*la_list,
6293 *la_list_cap * 2 * sizeof(**la_list));
6294 if (la_list == NULL)
6295 errx(EXIT_FAILURE, "realloc failed");
6298 la = &((*la_list)[*la_list_len]);
6299 la->la_at = attr_list[i];
6301 la->la_lowpc = lowpc;
6302 la->la_cu_psize = re->cu_psize;
6303 la->la_cu_osize = re->cu_osize;
6304 la->la_cu_ver = re->cu_ver;
6309 /* Search children. */
6310 ret = dwarf_child(die, &ret_die, &de);
6311 if (ret == DW_DLV_ERROR)
6312 warnx("dwarf_child: %s", dwarf_errmsg(de));
6313 else if (ret == DW_DLV_OK)
6314 search_loclist_at(re, ret_die, lowpc, la_list,
6315 la_list_len, la_list_cap);
6317 /* Search sibling. */
6318 ret = dwarf_siblingof_b(re->dbg, die, &ret_die, is_info, &de);
6319 if (ret == DW_DLV_ERROR)
6320 warnx("dwarf_siblingof: %s", dwarf_errmsg(de));
6321 else if (ret == DW_DLV_OK)
6322 search_loclist_at(re, ret_die, lowpc, la_list,
6323 la_list_len, la_list_cap);
6327 dump_dwarf_loc(struct readelf *re, Dwarf_Loc *lr)
6334 if (dwarf_get_OP_name(lr->lr_atom, &op_str) !=
6336 snprintf(unk_op, sizeof(unk_op),
6337 "[Unknown OP: %#x]", lr->lr_atom);
6341 printf("%s", op_str);
6343 switch (lr->lr_atom) {
6376 printf(" (%s)", dwarf_regname(re, lr->lr_atom - DW_OP_reg0));
6439 case DW_OP_push_object_address:
6440 case DW_OP_form_tls_address:
6441 case DW_OP_call_frame_cfa:
6442 case DW_OP_stack_value:
6443 case DW_OP_GNU_push_tls_address:
6444 case DW_OP_GNU_uninit:
6449 case DW_OP_deref_size:
6450 case DW_OP_xderef_size:
6457 case DW_OP_plus_uconst:
6460 printf(": %ju", (uintmax_t)
6469 printf(": %jd", (intmax_t)
6505 printf(" (%s): %jd",
6506 dwarf_regname(re, lr->lr_atom - DW_OP_breg0),
6507 (intmax_t) lr->lr_number);
6511 printf(": %jd", (intmax_t)
6516 printf(": %ju (%s) %jd",
6517 (uintmax_t) lr->lr_number,
6518 dwarf_regname(re, (unsigned int) lr->lr_number),
6519 (intmax_t) lr->lr_number2);
6523 case DW_OP_GNU_encoded_addr:
6524 printf(": %#jx", (uintmax_t)
6528 case DW_OP_GNU_implicit_pointer:
6529 printf(": <0x%jx> %jd", (uintmax_t) lr->lr_number,
6530 (intmax_t) lr->lr_number2);
6533 case DW_OP_implicit_value:
6534 printf(": %ju byte block:", (uintmax_t) lr->lr_number);
6535 b = (uint8_t *)(uintptr_t) lr->lr_number2;
6536 for (i = 0; (Dwarf_Unsigned) i < lr->lr_number; i++)
6537 printf(" %x", b[i]);
6540 case DW_OP_GNU_entry_value:
6542 dump_dwarf_block(re, (uint8_t *)(uintptr_t) lr->lr_number2,
6547 case DW_OP_GNU_const_type:
6548 printf(": <0x%jx> ", (uintmax_t) lr->lr_number);
6549 b = (uint8_t *)(uintptr_t) lr->lr_number2;
6551 for (i = 1; (uint8_t) i < n; i++)
6552 printf(" %x", b[i]);
6555 case DW_OP_GNU_regval_type:
6556 printf(": %ju (%s) <0x%jx>", (uintmax_t) lr->lr_number,
6557 dwarf_regname(re, (unsigned int) lr->lr_number),
6558 (uintmax_t) lr->lr_number2);
6561 case DW_OP_GNU_convert:
6562 case DW_OP_GNU_deref_type:
6563 case DW_OP_GNU_parameter_ref:
6564 case DW_OP_GNU_reinterpret:
6565 printf(": <0x%jx>", (uintmax_t) lr->lr_number);
6574 dump_dwarf_block(struct readelf *re, uint8_t *b, Dwarf_Unsigned len)
6576 Dwarf_Locdesc *llbuf;
6581 if (dwarf_loclist_from_expr_b(re->dbg, b, len, re->cu_psize,
6582 re->cu_osize, re->cu_ver, &llbuf, &lcnt, &de) != DW_DLV_OK) {
6583 warnx("dwarf_loclist_form_expr_b: %s", dwarf_errmsg(de));
6587 for (i = 0; (Dwarf_Half) i < llbuf->ld_cents; i++) {
6588 dump_dwarf_loc(re, &llbuf->ld_s[i]);
6589 if (i < llbuf->ld_cents - 1)
6593 dwarf_dealloc(re->dbg, llbuf->ld_s, DW_DLA_LOC_BLOCK);
6594 dwarf_dealloc(re->dbg, llbuf, DW_DLA_LOCDESC);
6598 dump_dwarf_loclist(struct readelf *re)
6601 Dwarf_Locdesc **llbuf;
6602 Dwarf_Unsigned lowpc;
6604 Dwarf_Half tag, version, pointer_size, off_size;
6606 struct loc_at *la_list, *left, *right, *la;
6607 size_t la_list_len, la_list_cap;
6608 unsigned int duplicates, k;
6609 int i, j, ret, has_content;
6613 if ((la_list = calloc(la_list_cap, sizeof(struct loc_at))) == NULL)
6614 errx(EXIT_FAILURE, "calloc failed");
6615 /* Search .debug_info section. */
6616 while ((ret = dwarf_next_cu_header_b(re->dbg, NULL, &version, NULL,
6617 &pointer_size, &off_size, NULL, NULL, &de)) == DW_DLV_OK) {
6618 set_cu_context(re, pointer_size, off_size, version);
6620 if (dwarf_siblingof(re->dbg, die, &die, &de) != DW_DLV_OK)
6622 if (dwarf_tag(die, &tag, &de) != DW_DLV_OK) {
6623 warnx("dwarf_tag failed: %s", dwarf_errmsg(de));
6626 /* XXX: What about DW_TAG_partial_unit? */
6628 if (tag == DW_TAG_compile_unit) {
6629 if (dwarf_attrval_unsigned(die, DW_AT_low_pc,
6630 &lowpc, &de) != DW_DLV_OK)
6634 /* Search attributes for reference to .debug_loc section. */
6635 search_loclist_at(re, die, lowpc, &la_list,
6636 &la_list_len, &la_list_cap);
6638 if (ret == DW_DLV_ERROR)
6639 warnx("dwarf_next_cu_header: %s", dwarf_errmsg(de));
6641 /* Search .debug_types section. */
6643 while ((ret = dwarf_next_cu_header_c(re->dbg, 0, NULL,
6644 &version, NULL, &pointer_size, &off_size, NULL, NULL,
6645 NULL, NULL, &de)) == DW_DLV_OK) {
6646 set_cu_context(re, pointer_size, off_size, version);
6648 if (dwarf_siblingof(re->dbg, die, &die, &de) !=
6651 if (dwarf_tag(die, &tag, &de) != DW_DLV_OK) {
6652 warnx("dwarf_tag failed: %s",
6658 if (tag == DW_TAG_type_unit) {
6659 if (dwarf_attrval_unsigned(die, DW_AT_low_pc,
6660 &lowpc, &de) != DW_DLV_OK)
6665 * Search attributes for reference to .debug_loc
6668 search_loclist_at(re, die, lowpc, &la_list,
6669 &la_list_len, &la_list_cap);
6671 if (ret == DW_DLV_ERROR)
6672 warnx("dwarf_next_cu_header: %s", dwarf_errmsg(de));
6673 } while (dwarf_next_types_section(re->dbg, &de) == DW_DLV_OK);
6675 if (la_list_len == 0) {
6680 /* Sort la_list using loc_at_comparator. */
6681 qsort(la_list, la_list_len, sizeof(struct loc_at), loc_at_comparator);
6683 /* Get rid of the duplicates in la_list. */
6685 for (k = 1; k < la_list_len; ++k) {
6686 left = &la_list[k - 1 - duplicates];
6687 right = &la_list[k];
6689 if (left->la_off == right->la_off)
6692 la_list[k - duplicates] = *right;
6694 la_list_len -= duplicates;
6697 for (k = 0; k < la_list_len; ++k) {
6699 if ((ret = dwarf_loclist_n(la->la_at, &llbuf, &lcnt, &de)) !=
6701 if (ret != DW_DLV_NO_ENTRY)
6702 warnx("dwarf_loclist_n failed: %s",
6708 printf("\nContents of section .debug_loc:\n");
6709 printf(" Offset Begin End Expression\n");
6711 set_cu_context(re, la->la_cu_psize, la->la_cu_osize,
6713 for (i = 0; i < lcnt; i++) {
6714 printf(" %8.8jx ", (uintmax_t) la->la_off);
6715 if (llbuf[i]->ld_lopc == 0 && llbuf[i]->ld_hipc == 0) {
6716 printf("<End of list>\n");
6720 /* TODO: handle base selection entry. */
6722 printf("%8.8jx %8.8jx ",
6723 (uintmax_t) (la->la_lowpc + llbuf[i]->ld_lopc),
6724 (uintmax_t) (la->la_lowpc + llbuf[i]->ld_hipc));
6727 for (j = 0; (Dwarf_Half) j < llbuf[i]->ld_cents; j++) {
6728 dump_dwarf_loc(re, &llbuf[i]->ld_s[j]);
6729 if (j < llbuf[i]->ld_cents - 1)
6734 if (llbuf[i]->ld_lopc == llbuf[i]->ld_hipc)
6735 printf(" (start == end)");
6738 for (i = 0; i < lcnt; i++) {
6739 dwarf_dealloc(re->dbg, llbuf[i]->ld_s,
6741 dwarf_dealloc(re->dbg, llbuf[i], DW_DLA_LOCDESC);
6743 dwarf_dealloc(re->dbg, llbuf, DW_DLA_LIST);
6747 printf("\nSection '.debug_loc' has no debugging data.\n");
6753 * Retrieve a string using string table section index and the string offset.
6756 get_string(struct readelf *re, int strtab, size_t off)
6760 if ((name = elf_strptr(re->elf, strtab, off)) == NULL)
6767 * Retrieve the name of a symbol using the section index of the symbol
6768 * table and the index of the symbol within that table.
6771 get_symbol_name(struct readelf *re, int symtab, int i)
6779 s = &re->sl[symtab];
6780 if (s->type != SHT_SYMTAB && s->type != SHT_DYNSYM)
6783 if ((data = elf_getdata(s->scn, NULL)) == NULL) {
6784 elferr = elf_errno();
6786 warnx("elf_getdata failed: %s", elf_errmsg(elferr));
6789 if (gelf_getsym(data, i, &sym) != &sym)
6791 /* Return section name for STT_SECTION symbol. */
6792 if (GELF_ST_TYPE(sym.st_info) == STT_SECTION) {
6793 if (sym.st_shndx < re->shnum &&
6794 re->sl[sym.st_shndx].name != NULL)
6795 return (re->sl[sym.st_shndx].name);
6798 if (s->link >= re->shnum ||
6799 (name = elf_strptr(re->elf, s->link, sym.st_name)) == NULL)
6806 get_symbol_value(struct readelf *re, int symtab, int i)
6813 s = &re->sl[symtab];
6814 if (s->type != SHT_SYMTAB && s->type != SHT_DYNSYM)
6817 if ((data = elf_getdata(s->scn, NULL)) == NULL) {
6818 elferr = elf_errno();
6820 warnx("elf_getdata failed: %s", elf_errmsg(elferr));
6823 if (gelf_getsym(data, i, &sym) != &sym)
6826 return (sym.st_value);
6830 hex_dump(struct readelf *re)
6839 for (i = 1; (size_t) i < re->shnum; i++) {
6841 if (find_dumpop(re, (size_t) i, s->name, HEX_DUMP, -1) == NULL)
6844 if ((d = elf_getdata(s->scn, NULL)) == NULL &&
6845 (d = elf_rawdata(s->scn, NULL)) == NULL) {
6846 elferr = elf_errno();
6848 warnx("elf_getdata failed: %s",
6849 elf_errmsg(elferr));
6853 if (d->d_size <= 0 || d->d_buf == NULL) {
6854 printf("\nSection '%s' has no data to dump.\n",
6861 printf("\nHex dump of section '%s':\n", s->name);
6863 printf(" 0x%8.8jx ", (uintmax_t)addr);
6864 nbytes = sz > 16? 16 : sz;
6865 for (j = 0; j < 16; j++) {
6866 if ((size_t)j < nbytes)
6867 printf("%2.2x", buf[j]);
6873 for (j = 0; (size_t)j < nbytes; j++) {
6874 if (isprint(buf[j]))
6875 printf("%c", buf[j]);
6888 str_dump(struct readelf *re)
6892 unsigned char *start, *end, *buf_end;
6894 int i, j, elferr, found;
6896 for (i = 1; (size_t) i < re->shnum; i++) {
6898 if (find_dumpop(re, (size_t) i, s->name, STR_DUMP, -1) == NULL)
6901 if ((d = elf_getdata(s->scn, NULL)) == NULL &&
6902 (d = elf_rawdata(s->scn, NULL)) == NULL) {
6903 elferr = elf_errno();
6905 warnx("elf_getdata failed: %s",
6906 elf_errmsg(elferr));
6910 if (d->d_size <= 0 || d->d_buf == NULL) {
6911 printf("\nSection '%s' has no data to dump.\n",
6915 buf_end = (unsigned char *) d->d_buf + d->d_size;
6916 start = (unsigned char *) d->d_buf;
6918 printf("\nString dump of section '%s':\n", s->name);
6920 while (start < buf_end && !isprint(*start))
6922 if (start >= buf_end)
6925 while (end < buf_end && isprint(*end))
6928 (long) (start - (unsigned char *) d->d_buf));
6930 for (j = 0; (unsigned int) j < len; j++)
6939 printf(" No strings found in this section.");
6945 load_sections(struct readelf *re)
6951 size_t shstrndx, ndx;
6954 /* Allocate storage for internal section list. */
6955 if (!elf_getshnum(re->elf, &re->shnum)) {
6956 warnx("elf_getshnum failed: %s", elf_errmsg(-1));
6961 if ((re->sl = calloc(re->shnum, sizeof(*re->sl))) == NULL)
6962 err(EXIT_FAILURE, "calloc failed");
6964 /* Get the index of .shstrtab section. */
6965 if (!elf_getshstrndx(re->elf, &shstrndx)) {
6966 warnx("elf_getshstrndx failed: %s", elf_errmsg(-1));
6970 if ((scn = elf_getscn(re->elf, 0)) == NULL)
6975 if (gelf_getshdr(scn, &sh) == NULL) {
6976 warnx("gelf_getshdr failed: %s", elf_errmsg(-1));
6980 if ((name = elf_strptr(re->elf, shstrndx, sh.sh_name)) == NULL) {
6984 if ((ndx = elf_ndxscn(scn)) == SHN_UNDEF) {
6985 if ((elferr = elf_errno()) != 0) {
6986 warnx("elf_ndxscn failed: %s",
6987 elf_errmsg(elferr));
6991 if (ndx >= re->shnum) {
6992 warnx("section index of '%s' out of range", name);
6995 if (sh.sh_link >= re->shnum)
6996 warnx("section link %llu of '%s' out of range",
6997 (unsigned long long)sh.sh_link, name);
7001 s->off = sh.sh_offset;
7003 s->entsize = sh.sh_entsize;
7004 s->align = sh.sh_addralign;
7005 s->type = sh.sh_type;
7006 s->flags = sh.sh_flags;
7007 s->addr = sh.sh_addr;
7008 s->link = sh.sh_link;
7009 s->info = sh.sh_info;
7010 } while ((scn = elf_nextscn(re->elf, scn)) != NULL);
7011 elferr = elf_errno();
7013 warnx("elf_nextscn failed: %s", elf_errmsg(elferr));
7017 unload_sections(struct readelf *re)
7020 if (re->sl != NULL) {
7030 if (re->ver != NULL) {
7038 dump_elf(struct readelf *re)
7041 /* Fetch ELF header. No need to continue if it fails. */
7042 if (gelf_getehdr(re->elf, &re->ehdr) == NULL) {
7043 warnx("gelf_getehdr failed: %s", elf_errmsg(-1));
7046 if ((re->ec = gelf_getclass(re->elf)) == ELFCLASSNONE) {
7047 warnx("gelf_getclass failed: %s", elf_errmsg(-1));
7050 if (re->ehdr.e_ident[EI_DATA] == ELFDATA2MSB) {
7051 re->dw_read = _read_msb;
7052 re->dw_decode = _decode_msb;
7054 re->dw_read = _read_lsb;
7055 re->dw_decode = _decode_lsb;
7058 if (re->options & ~RE_H)
7060 if ((re->options & RE_VV) || (re->options & RE_S))
7062 if (re->options & RE_H)
7064 if (re->options & RE_L)
7066 if (re->options & RE_SS)
7068 if (re->options & RE_G)
7069 dump_section_groups(re);
7070 if (re->options & RE_D)
7072 if (re->options & RE_R)
7074 if (re->options & RE_S)
7076 if (re->options & RE_N)
7078 if (re->options & RE_II)
7080 if (re->options & RE_X)
7082 if (re->options & RE_P)
7084 if (re->options & RE_VV)
7086 if (re->options & RE_AA)
7087 dump_arch_specific_info(re);
7088 if (re->options & RE_W)
7090 if (re->options & ~RE_H)
7091 unload_sections(re);
7095 dump_dwarf(struct readelf *re)
7100 if (dwarf_elf_init(re->elf, DW_DLC_READ, NULL, NULL, &re->dbg, &de)) {
7101 if ((error = dwarf_errno(de)) != DW_DLE_DEBUG_INFO_NULL)
7102 errx(EXIT_FAILURE, "dwarf_elf_init failed: %s",
7108 dump_dwarf_abbrev(re);
7110 dump_dwarf_line(re);
7111 if (re->dop & DW_LL)
7112 dump_dwarf_line_decoded(re);
7113 if (re->dop & DW_I) {
7114 dump_dwarf_info(re, 0);
7115 dump_dwarf_info(re, 1);
7118 dump_dwarf_pubnames(re);
7120 dump_dwarf_aranges(re);
7121 if (re->dop & DW_RR)
7122 dump_dwarf_ranges(re);
7124 dump_dwarf_macinfo(re);
7126 dump_dwarf_frame(re, 0);
7127 else if (re->dop & DW_FF)
7128 dump_dwarf_frame(re, 1);
7132 dump_dwarf_loclist(re);
7134 dwarf_finish(re->dbg, &de);
7138 dump_ar(struct readelf *re, int fd)
7150 if (re->options & RE_C) {
7151 if ((arsym = elf_getarsym(re->ar, &sz)) == NULL) {
7152 warnx("elf_getarsym() failed: %s", elf_errmsg(-1));
7153 goto process_members;
7155 printf("Index of archive %s: (%ju entries)\n", re->filename,
7156 (uintmax_t) sz - 1);
7158 for (i = 0; (size_t) i < sz; i++) {
7159 if (arsym[i].as_name == NULL)
7161 if (arsym[i].as_off != off) {
7162 off = arsym[i].as_off;
7163 if (elf_rand(re->ar, off) != off) {
7164 warnx("elf_rand() failed: %s",
7168 if ((e = elf_begin(fd, ELF_C_READ, re->ar)) ==
7170 warnx("elf_begin() failed: %s",
7174 if ((arhdr = elf_getarhdr(e)) == NULL) {
7175 warnx("elf_getarhdr() failed: %s",
7180 printf("Binary %s(%s) contains:\n",
7181 re->filename, arhdr->ar_name);
7183 printf("\t%s\n", arsym[i].as_name);
7185 if (elf_rand(re->ar, SARMAG) != SARMAG) {
7186 warnx("elf_rand() failed: %s", elf_errmsg(-1));
7193 if ((re->options & ~RE_C) == 0)
7197 while ((re->elf = elf_begin(fd, cmd, re->ar)) != NULL) {
7198 if ((arhdr = elf_getarhdr(re->elf)) == NULL) {
7199 warnx("elf_getarhdr() failed: %s", elf_errmsg(-1));
7202 if (strcmp(arhdr->ar_name, "/") == 0 ||
7203 strcmp(arhdr->ar_name, "//") == 0 ||
7204 strcmp(arhdr->ar_name, "__.SYMDEF") == 0)
7206 printf("\nFile: %s(%s)\n", re->filename, arhdr->ar_name);
7210 cmd = elf_next(re->elf);
7217 dump_object(struct readelf *re)
7221 if ((fd = open(re->filename, O_RDONLY)) == -1) {
7222 warn("open %s failed", re->filename);
7226 if ((re->flags & DISPLAY_FILENAME) != 0)
7227 printf("\nFile: %s\n", re->filename);
7229 if ((re->elf = elf_begin(fd, ELF_C_READ, NULL)) == NULL) {
7230 warnx("elf_begin() failed: %s", elf_errmsg(-1));
7234 switch (elf_kind(re->elf)) {
7236 warnx("Not an ELF file.");
7245 warnx("Internal: libelf returned unknown elf kind.");
7253 add_dumpop(struct readelf *re, size_t si, const char *sn, int op, int t)
7257 if ((d = find_dumpop(re, si, sn, -1, t)) == NULL) {
7258 if ((d = calloc(1, sizeof(*d))) == NULL)
7259 err(EXIT_FAILURE, "calloc failed");
7260 if (t == DUMP_BY_INDEX)
7266 STAILQ_INSERT_TAIL(&re->v_dumpop, d, dumpop_list);
7271 static struct dumpop *
7272 find_dumpop(struct readelf *re, size_t si, const char *sn, int op, int t)
7276 STAILQ_FOREACH(d, &re->v_dumpop, dumpop_list) {
7277 if ((op == -1 || op & d->op) &&
7278 (t == -1 || (unsigned) t == d->type)) {
7279 if ((d->type == DUMP_BY_INDEX && d->u.si == si) ||
7280 (d->type == DUMP_BY_NAME && !strcmp(d->u.sn, sn)))
7293 {"rawline", 'l', DW_L},
7294 {"decodedline", 'L', DW_LL},
7295 {"info", 'i', DW_I},
7296 {"abbrev", 'a', DW_A},
7297 {"pubnames", 'p', DW_P},
7298 {"aranges", 'r', DW_R},
7299 {"ranges", 'r', DW_R},
7300 {"Ranges", 'R', DW_RR},
7301 {"macro", 'm', DW_M},
7302 {"frames", 'f', DW_F},
7303 {"frames-interp", 'F', DW_FF},
7310 parse_dwarf_op_short(struct readelf *re, const char *op)
7315 re->dop |= DW_DEFAULT_OPTIONS;
7319 for (; *op != '\0'; op++) {
7320 for (i = 0; dwarf_op[i].ln != NULL; i++) {
7321 if (dwarf_op[i].sn == *op) {
7322 re->dop |= dwarf_op[i].value;
7330 parse_dwarf_op_long(struct readelf *re, const char *op)
7332 char *p, *token, *bp;
7336 re->dop |= DW_DEFAULT_OPTIONS;
7340 if ((p = strdup(op)) == NULL)
7341 err(EXIT_FAILURE, "strdup failed");
7344 while ((token = strsep(&p, ",")) != NULL) {
7345 for (i = 0; dwarf_op[i].ln != NULL; i++) {
7346 if (!strcmp(token, dwarf_op[i].ln)) {
7347 re->dop |= dwarf_op[i].value;
7357 _read_lsb(Elf_Data *d, uint64_t *offsetp, int bytes_to_read)
7362 src = (uint8_t *) d->d_buf + *offsetp;
7365 switch (bytes_to_read) {
7367 ret |= ((uint64_t) src[4]) << 32 | ((uint64_t) src[5]) << 40;
7368 ret |= ((uint64_t) src[6]) << 48 | ((uint64_t) src[7]) << 56;
7371 ret |= ((uint64_t) src[2]) << 16 | ((uint64_t) src[3]) << 24;
7374 ret |= ((uint64_t) src[1]) << 8;
7383 *offsetp += bytes_to_read;
7389 _read_msb(Elf_Data *d, uint64_t *offsetp, int bytes_to_read)
7394 src = (uint8_t *) d->d_buf + *offsetp;
7396 switch (bytes_to_read) {
7401 ret = src[1] | ((uint64_t) src[0]) << 8;
7404 ret = src[3] | ((uint64_t) src[2]) << 8;
7405 ret |= ((uint64_t) src[1]) << 16 | ((uint64_t) src[0]) << 24;
7408 ret = src[7] | ((uint64_t) src[6]) << 8;
7409 ret |= ((uint64_t) src[5]) << 16 | ((uint64_t) src[4]) << 24;
7410 ret |= ((uint64_t) src[3]) << 32 | ((uint64_t) src[2]) << 40;
7411 ret |= ((uint64_t) src[1]) << 48 | ((uint64_t) src[0]) << 56;
7417 *offsetp += bytes_to_read;
7423 _decode_lsb(uint8_t **data, int bytes_to_read)
7431 switch (bytes_to_read) {
7433 ret |= ((uint64_t) src[4]) << 32 | ((uint64_t) src[5]) << 40;
7434 ret |= ((uint64_t) src[6]) << 48 | ((uint64_t) src[7]) << 56;
7437 ret |= ((uint64_t) src[2]) << 16 | ((uint64_t) src[3]) << 24;
7440 ret |= ((uint64_t) src[1]) << 8;
7449 *data += bytes_to_read;
7455 _decode_msb(uint8_t **data, int bytes_to_read)
7463 switch (bytes_to_read) {
7468 ret = src[1] | ((uint64_t) src[0]) << 8;
7471 ret = src[3] | ((uint64_t) src[2]) << 8;
7472 ret |= ((uint64_t) src[1]) << 16 | ((uint64_t) src[0]) << 24;
7475 ret = src[7] | ((uint64_t) src[6]) << 8;
7476 ret |= ((uint64_t) src[5]) << 16 | ((uint64_t) src[4]) << 24;
7477 ret |= ((uint64_t) src[3]) << 32 | ((uint64_t) src[2]) << 40;
7478 ret |= ((uint64_t) src[1]) << 48 | ((uint64_t) src[0]) << 56;
7485 *data += bytes_to_read;
7491 _decode_sleb128(uint8_t **dp, uint8_t *dpe)
7503 ret |= ((b & 0x7f) << shift);
7505 } while ((b & 0x80) != 0);
7507 if (shift < 32 && (b & 0x40) != 0)
7508 ret |= (-1 << shift);
7516 _decode_uleb128(uint8_t **dp, uint8_t *dpe)
7528 ret |= ((b & 0x7f) << shift);
7530 } while ((b & 0x80) != 0);
7538 readelf_version(void)
7540 (void) printf("%s (%s)\n", ELFTC_GETPROGNAME(),
7545 #define USAGE_MESSAGE "\
7546 Usage: %s [options] file...\n\
7547 Display information about ELF objects and ar(1) archives.\n\n\
7549 -a | --all Equivalent to specifying options '-dhIlrsASV'.\n\
7550 -c | --archive-index Print the archive symbol table for archives.\n\
7551 -d | --dynamic Print the contents of SHT_DYNAMIC sections.\n\
7552 -e | --headers Print all headers in the object.\n\
7553 -g | --section-groups Print the contents of the section groups.\n\
7554 -h | --file-header Print the file header for the object.\n\
7555 -l | --program-headers Print the PHDR table for the object.\n\
7556 -n | --notes Print the contents of SHT_NOTE sections.\n\
7557 -p INDEX | --string-dump=INDEX\n\
7558 Print the contents of section at index INDEX.\n\
7559 -r | --relocs Print relocation information.\n\
7560 -s | --syms | --symbols Print symbol tables.\n\
7561 -t | --section-details Print additional information about sections.\n\
7562 -v | --version Print a version identifier and exit.\n\
7563 -w[afilmoprsFLR] | --debug-dump={abbrev,aranges,decodedline,frames,\n\
7564 frames-interp,info,loc,macro,pubnames,\n\
7565 ranges,Ranges,rawline,str}\n\
7566 Display DWARF information.\n\
7567 -x INDEX | --hex-dump=INDEX\n\
7568 Display contents of a section as hexadecimal.\n\
7569 -A | --arch-specific (accepted, but ignored)\n\
7570 -D | --use-dynamic Print the symbol table specified by the DT_SYMTAB\n\
7571 entry in the \".dynamic\" section.\n\
7572 -H | --help Print a help message.\n\
7573 -I | --histogram Print information on bucket list lengths for \n\
7575 -N | --full-section-name (accepted, but ignored)\n\
7576 -S | --sections | --section-headers\n\
7577 Print information about section headers.\n\
7578 -V | --version-info Print symbol versoning information.\n\
7579 -W | --wide Print information without wrapping long lines.\n"
7583 readelf_usage(int status)
7585 fprintf(stderr, USAGE_MESSAGE, ELFTC_GETPROGNAME());
7590 main(int argc, char **argv)
7592 struct readelf *re, re_storage;
7598 memset(re, 0, sizeof(*re));
7599 STAILQ_INIT(&re->v_dumpop);
7601 while ((opt = getopt_long(argc, argv, "AacDdegHhIi:lNnp:rSstuVvWw::x:",
7602 longopts, NULL)) != -1) {
7605 readelf_usage(EXIT_SUCCESS);
7608 re->options |= RE_AA;
7611 re->options |= RE_AA | RE_D | RE_G | RE_H | RE_II |
7612 RE_L | RE_R | RE_SS | RE_S | RE_VV;
7615 re->options |= RE_C;
7618 re->options |= RE_DD;
7621 re->options |= RE_D;
7624 re->options |= RE_H | RE_L | RE_SS;
7627 re->options |= RE_G;
7630 readelf_usage(EXIT_SUCCESS);
7633 re->options |= RE_H;
7636 re->options |= RE_II;
7639 /* Not implemented yet. */
7642 re->options |= RE_L;
7645 re->options |= RE_NN;
7648 re->options |= RE_N;
7651 re->options |= RE_P;
7652 si = strtoul(optarg, &ep, 10);
7654 add_dumpop(re, (size_t) si, NULL, STR_DUMP,
7657 add_dumpop(re, 0, optarg, STR_DUMP,
7661 re->options |= RE_R;
7664 re->options |= RE_SS;
7667 re->options |= RE_S;
7670 re->options |= RE_SS | RE_T;
7673 re->options |= RE_U;
7676 re->options |= RE_VV;
7682 re->options |= RE_WW;
7685 re->options |= RE_W;
7686 parse_dwarf_op_short(re, optarg);
7689 re->options |= RE_X;
7690 si = strtoul(optarg, &ep, 10);
7692 add_dumpop(re, (size_t) si, NULL, HEX_DUMP,
7695 add_dumpop(re, 0, optarg, HEX_DUMP,
7698 case OPTION_DEBUG_DUMP:
7699 re->options |= RE_W;
7700 parse_dwarf_op_long(re, optarg);
7707 if (argc == 0 || re->options == 0)
7708 readelf_usage(EXIT_FAILURE);
7711 re->flags |= DISPLAY_FILENAME;
7713 if (elf_version(EV_CURRENT) == EV_NONE)
7714 errx(EXIT_FAILURE, "ELF library initialization failed: %s",
7717 for (i = 0; i < argc; i++) {
7718 re->filename = argv[i];