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'},
228 static void add_dumpop(struct readelf *re, size_t si, const char *sn, int op,
230 static const char *aeabi_adv_simd_arch(uint64_t simd);
231 static const char *aeabi_align_needed(uint64_t an);
232 static const char *aeabi_align_preserved(uint64_t ap);
233 static const char *aeabi_arm_isa(uint64_t ai);
234 static const char *aeabi_cpu_arch(uint64_t arch);
235 static const char *aeabi_cpu_arch_profile(uint64_t pf);
236 static const char *aeabi_div(uint64_t du);
237 static const char *aeabi_enum_size(uint64_t es);
238 static const char *aeabi_fp_16bit_format(uint64_t fp16);
239 static const char *aeabi_fp_arch(uint64_t fp);
240 static const char *aeabi_fp_denormal(uint64_t fd);
241 static const char *aeabi_fp_exceptions(uint64_t fe);
242 static const char *aeabi_fp_hpext(uint64_t fh);
243 static const char *aeabi_fp_number_model(uint64_t fn);
244 static const char *aeabi_fp_optm_goal(uint64_t fog);
245 static const char *aeabi_fp_rounding(uint64_t fr);
246 static const char *aeabi_hardfp(uint64_t hfp);
247 static const char *aeabi_mpext(uint64_t mp);
248 static const char *aeabi_optm_goal(uint64_t og);
249 static const char *aeabi_pcs_config(uint64_t pcs);
250 static const char *aeabi_pcs_got(uint64_t got);
251 static const char *aeabi_pcs_r9(uint64_t r9);
252 static const char *aeabi_pcs_ro(uint64_t ro);
253 static const char *aeabi_pcs_rw(uint64_t rw);
254 static const char *aeabi_pcs_wchar_t(uint64_t wt);
255 static const char *aeabi_t2ee(uint64_t t2ee);
256 static const char *aeabi_thumb_isa(uint64_t ti);
257 static const char *aeabi_fp_user_exceptions(uint64_t fu);
258 static const char *aeabi_unaligned_access(uint64_t ua);
259 static const char *aeabi_vfp_args(uint64_t va);
260 static const char *aeabi_virtual(uint64_t vt);
261 static const char *aeabi_wmmx_arch(uint64_t wmmx);
262 static const char *aeabi_wmmx_args(uint64_t wa);
263 static const char *elf_class(unsigned int class);
264 static const char *elf_endian(unsigned int endian);
265 static const char *elf_machine(unsigned int mach);
266 static const char *elf_osabi(unsigned int abi);
267 static const char *elf_type(unsigned int type);
268 static const char *elf_ver(unsigned int ver);
269 static const char *dt_type(unsigned int mach, unsigned int dtype);
270 static void dump_ar(struct readelf *re, int);
271 static void dump_arm_attributes(struct readelf *re, uint8_t *p, uint8_t *pe);
272 static void dump_attributes(struct readelf *re);
273 static uint8_t *dump_compatibility_tag(uint8_t *p, uint8_t *pe);
274 static void dump_dwarf(struct readelf *re);
275 static void dump_dwarf_abbrev(struct readelf *re);
276 static void dump_dwarf_aranges(struct readelf *re);
277 static void dump_dwarf_block(struct readelf *re, uint8_t *b,
279 static void dump_dwarf_die(struct readelf *re, Dwarf_Die die, int level);
280 static void dump_dwarf_frame(struct readelf *re, int alt);
281 static void dump_dwarf_frame_inst(struct readelf *re, Dwarf_Cie cie,
282 uint8_t *insts, Dwarf_Unsigned len, Dwarf_Unsigned caf, Dwarf_Signed daf,
283 Dwarf_Addr pc, Dwarf_Debug dbg);
284 static int dump_dwarf_frame_regtable(struct readelf *re, Dwarf_Fde fde,
285 Dwarf_Addr pc, Dwarf_Unsigned func_len, Dwarf_Half cie_ra);
286 static void dump_dwarf_frame_section(struct readelf *re, struct section *s,
288 static void dump_dwarf_info(struct readelf *re, Dwarf_Bool is_info);
289 static void dump_dwarf_macinfo(struct readelf *re);
290 static void dump_dwarf_line(struct readelf *re);
291 static void dump_dwarf_line_decoded(struct readelf *re);
292 static void dump_dwarf_loc(struct readelf *re, Dwarf_Loc *lr);
293 static void dump_dwarf_loclist(struct readelf *re);
294 static void dump_dwarf_pubnames(struct readelf *re);
295 static void dump_dwarf_ranges(struct readelf *re);
296 static void dump_dwarf_ranges_foreach(struct readelf *re, Dwarf_Die die,
298 static void dump_dwarf_str(struct readelf *re);
299 static void dump_eflags(struct readelf *re, uint64_t e_flags);
300 static void dump_elf(struct readelf *re);
301 static void dump_flags(struct flag_desc *fd, uint64_t flags);
302 static void dump_dyn_val(struct readelf *re, GElf_Dyn *dyn, uint32_t stab);
303 static void dump_dynamic(struct readelf *re);
304 static void dump_liblist(struct readelf *re);
305 static void dump_mips_abiflags(struct readelf *re, struct section *s);
306 static void dump_mips_attributes(struct readelf *re, uint8_t *p, uint8_t *pe);
307 static void dump_mips_odk_reginfo(struct readelf *re, uint8_t *p, size_t sz);
308 static void dump_mips_options(struct readelf *re, struct section *s);
309 static void dump_mips_option_flags(const char *name, struct mips_option *opt,
311 static void dump_mips_reginfo(struct readelf *re, struct section *s);
312 static void dump_mips_specific_info(struct readelf *re);
313 static void dump_notes(struct readelf *re);
314 static void dump_notes_content(struct readelf *re, const char *buf, size_t sz,
316 static void dump_notes_data(const char *name, uint32_t type, const char *buf,
318 static void dump_svr4_hash(struct section *s);
319 static void dump_svr4_hash64(struct readelf *re, struct section *s);
320 static void dump_gnu_hash(struct readelf *re, struct section *s);
321 static void dump_hash(struct readelf *re);
322 static void dump_phdr(struct readelf *re);
323 static void dump_ppc_attributes(uint8_t *p, uint8_t *pe);
324 static void dump_section_groups(struct readelf *re);
325 static void dump_symtab(struct readelf *re, int i);
326 static void dump_symtabs(struct readelf *re);
327 static uint8_t *dump_unknown_tag(uint64_t tag, uint8_t *p, uint8_t *pe);
328 static void dump_ver(struct readelf *re);
329 static void dump_verdef(struct readelf *re, int dump);
330 static void dump_verneed(struct readelf *re, int dump);
331 static void dump_versym(struct readelf *re);
332 static const char *dwarf_reg(unsigned int mach, unsigned int reg);
333 static const char *dwarf_regname(struct readelf *re, unsigned int num);
334 static struct dumpop *find_dumpop(struct readelf *re, size_t si,
335 const char *sn, int op, int t);
336 static int get_ent_count(struct section *s, int *ent_count);
337 static int get_mips_register_size(uint8_t flag);
338 static char *get_regoff_str(struct readelf *re, Dwarf_Half reg,
340 static const char *get_string(struct readelf *re, int strtab, size_t off);
341 static const char *get_symbol_name(struct readelf *re, int symtab, int i);
342 static uint64_t get_symbol_value(struct readelf *re, int symtab, int i);
343 static void load_sections(struct readelf *re);
344 static const char *mips_abi_fp(uint64_t fp);
345 static const char *note_type(const char *note_name, unsigned int et,
347 static const char *note_type_freebsd(unsigned int nt);
348 static const char *note_type_freebsd_core(unsigned int nt);
349 static const char *note_type_linux_core(unsigned int nt);
350 static const char *note_type_gnu(unsigned int nt);
351 static const char *note_type_netbsd(unsigned int nt);
352 static const char *note_type_openbsd(unsigned int nt);
353 static const char *note_type_unknown(unsigned int nt);
354 static const char *note_type_xen(unsigned int nt);
355 static const char *option_kind(uint8_t kind);
356 static const char *phdr_type(unsigned int mach, unsigned int ptype);
357 static const char *ppc_abi_fp(uint64_t fp);
358 static const char *ppc_abi_vector(uint64_t vec);
359 static void readelf_usage(int status);
360 static void readelf_version(void);
361 static void search_loclist_at(struct readelf *re, Dwarf_Die die,
362 Dwarf_Unsigned lowpc);
363 static void search_ver(struct readelf *re);
364 static const char *section_type(unsigned int mach, unsigned int stype);
365 static void set_cu_context(struct readelf *re, Dwarf_Half psize,
366 Dwarf_Half osize, Dwarf_Half ver);
367 static const char *st_bind(unsigned int sbind);
368 static const char *st_shndx(unsigned int shndx);
369 static const char *st_type(unsigned int mach, unsigned int os,
371 static const char *st_vis(unsigned int svis);
372 static const char *top_tag(unsigned int tag);
373 static void unload_sections(struct readelf *re);
374 static uint64_t _read_lsb(Elf_Data *d, uint64_t *offsetp,
376 static uint64_t _read_msb(Elf_Data *d, uint64_t *offsetp,
378 static uint64_t _decode_lsb(uint8_t **data, int bytes_to_read);
379 static uint64_t _decode_msb(uint8_t **data, int bytes_to_read);
380 static int64_t _decode_sleb128(uint8_t **dp, uint8_t *dpe);
381 static uint64_t _decode_uleb128(uint8_t **dp, uint8_t *dpe);
383 static struct eflags_desc arm_eflags_desc[] = {
384 {EF_ARM_RELEXEC, "relocatable executable"},
385 {EF_ARM_HASENTRY, "has entry point"},
386 {EF_ARM_SYMSARESORTED, "sorted symbol tables"},
387 {EF_ARM_DYNSYMSUSESEGIDX, "dynamic symbols use segment index"},
388 {EF_ARM_MAPSYMSFIRST, "mapping symbols precede others"},
391 {EF_ARM_INTERWORK, "interworking enabled"},
392 {EF_ARM_APCS_26, "uses APCS/26"},
393 {EF_ARM_APCS_FLOAT, "uses APCS/float"},
394 {EF_ARM_PIC, "position independent"},
395 {EF_ARM_ALIGN8, "8 bit structure alignment"},
396 {EF_ARM_NEW_ABI, "uses new ABI"},
397 {EF_ARM_OLD_ABI, "uses old ABI"},
398 {EF_ARM_SOFT_FLOAT, "software FP"},
399 {EF_ARM_VFP_FLOAT, "VFP"},
400 {EF_ARM_MAVERICK_FLOAT, "Maverick FP"},
404 static struct eflags_desc mips_eflags_desc[] = {
405 {EF_MIPS_NOREORDER, "noreorder"},
406 {EF_MIPS_PIC, "pic"},
407 {EF_MIPS_CPIC, "cpic"},
408 {EF_MIPS_UCODE, "ugen_reserved"},
409 {EF_MIPS_ABI2, "abi2"},
410 {EF_MIPS_OPTIONS_FIRST, "odk first"},
411 {EF_MIPS_ARCH_ASE_MDMX, "mdmx"},
412 {EF_MIPS_ARCH_ASE_M16, "mips16"},
416 static struct eflags_desc powerpc_eflags_desc[] = {
418 {EF_PPC_RELOCATABLE, "relocatable"},
419 {EF_PPC_RELOCATABLE_LIB, "relocatable-lib"},
423 static struct eflags_desc sparc_eflags_desc[] = {
424 {EF_SPARC_32PLUS, "v8+"},
425 {EF_SPARC_SUN_US1, "ultrasparcI"},
426 {EF_SPARC_HAL_R1, "halr1"},
427 {EF_SPARC_SUN_US3, "ultrasparcIII"},
432 elf_osabi(unsigned int abi)
434 static char s_abi[32];
437 case ELFOSABI_NONE: return "NONE";
438 case ELFOSABI_HPUX: return "HPUX";
439 case ELFOSABI_NETBSD: return "NetBSD";
440 case ELFOSABI_GNU: return "GNU";
441 case ELFOSABI_HURD: return "HURD";
442 case ELFOSABI_86OPEN: return "86OPEN";
443 case ELFOSABI_SOLARIS: return "Solaris";
444 case ELFOSABI_AIX: return "AIX";
445 case ELFOSABI_IRIX: return "IRIX";
446 case ELFOSABI_FREEBSD: return "FreeBSD";
447 case ELFOSABI_TRU64: return "TRU64";
448 case ELFOSABI_MODESTO: return "MODESTO";
449 case ELFOSABI_OPENBSD: return "OpenBSD";
450 case ELFOSABI_OPENVMS: return "OpenVMS";
451 case ELFOSABI_NSK: return "NSK";
452 case ELFOSABI_CLOUDABI: return "CloudABI";
453 case ELFOSABI_ARM_AEABI: return "ARM EABI";
454 case ELFOSABI_ARM: return "ARM";
455 case ELFOSABI_STANDALONE: return "StandAlone";
457 snprintf(s_abi, sizeof(s_abi), "<unknown: %#x>", abi);
463 elf_machine(unsigned int mach)
465 static char s_mach[32];
468 case EM_NONE: return "Unknown machine";
469 case EM_M32: return "AT&T WE32100";
470 case EM_SPARC: return "Sun SPARC";
471 case EM_386: return "Intel i386";
472 case EM_68K: return "Motorola 68000";
473 case EM_IAMCU: return "Intel MCU";
474 case EM_88K: return "Motorola 88000";
475 case EM_860: return "Intel i860";
476 case EM_MIPS: return "MIPS R3000 Big-Endian only";
477 case EM_S370: return "IBM System/370";
478 case EM_MIPS_RS3_LE: return "MIPS R3000 Little-Endian";
479 case EM_PARISC: return "HP PA-RISC";
480 case EM_VPP500: return "Fujitsu VPP500";
481 case EM_SPARC32PLUS: return "SPARC v8plus";
482 case EM_960: return "Intel 80960";
483 case EM_PPC: return "PowerPC 32-bit";
484 case EM_PPC64: return "PowerPC 64-bit";
485 case EM_S390: return "IBM System/390";
486 case EM_V800: return "NEC V800";
487 case EM_FR20: return "Fujitsu FR20";
488 case EM_RH32: return "TRW RH-32";
489 case EM_RCE: return "Motorola RCE";
490 case EM_ARM: return "ARM";
491 case EM_SH: return "Hitachi SH";
492 case EM_SPARCV9: return "SPARC v9 64-bit";
493 case EM_TRICORE: return "Siemens TriCore embedded processor";
494 case EM_ARC: return "Argonaut RISC Core";
495 case EM_H8_300: return "Hitachi H8/300";
496 case EM_H8_300H: return "Hitachi H8/300H";
497 case EM_H8S: return "Hitachi H8S";
498 case EM_H8_500: return "Hitachi H8/500";
499 case EM_IA_64: return "Intel IA-64 Processor";
500 case EM_MIPS_X: return "Stanford MIPS-X";
501 case EM_COLDFIRE: return "Motorola ColdFire";
502 case EM_68HC12: return "Motorola M68HC12";
503 case EM_MMA: return "Fujitsu MMA";
504 case EM_PCP: return "Siemens PCP";
505 case EM_NCPU: return "Sony nCPU";
506 case EM_NDR1: return "Denso NDR1 microprocessor";
507 case EM_STARCORE: return "Motorola Star*Core processor";
508 case EM_ME16: return "Toyota ME16 processor";
509 case EM_ST100: return "STMicroelectronics ST100 processor";
510 case EM_TINYJ: return "Advanced Logic Corp. TinyJ processor";
511 case EM_X86_64: return "Advanced Micro Devices x86-64";
512 case EM_PDSP: return "Sony DSP Processor";
513 case EM_FX66: return "Siemens FX66 microcontroller";
514 case EM_ST9PLUS: return "STMicroelectronics ST9+ 8/16 microcontroller";
515 case EM_ST7: return "STmicroelectronics ST7 8-bit microcontroller";
516 case EM_68HC16: return "Motorola MC68HC16 microcontroller";
517 case EM_68HC11: return "Motorola MC68HC11 microcontroller";
518 case EM_68HC08: return "Motorola MC68HC08 microcontroller";
519 case EM_68HC05: return "Motorola MC68HC05 microcontroller";
520 case EM_SVX: return "Silicon Graphics SVx";
521 case EM_ST19: return "STMicroelectronics ST19 8-bit mc";
522 case EM_VAX: return "Digital VAX";
523 case EM_CRIS: return "Axis Communications 32-bit embedded processor";
524 case EM_JAVELIN: return "Infineon Tech. 32bit embedded processor";
525 case EM_FIREPATH: return "Element 14 64-bit DSP Processor";
526 case EM_ZSP: return "LSI Logic 16-bit DSP Processor";
527 case EM_MMIX: return "Donald Knuth's educational 64-bit proc";
528 case EM_HUANY: return "Harvard University MI object files";
529 case EM_PRISM: return "SiTera Prism";
530 case EM_AVR: return "Atmel AVR 8-bit microcontroller";
531 case EM_FR30: return "Fujitsu FR30";
532 case EM_D10V: return "Mitsubishi D10V";
533 case EM_D30V: return "Mitsubishi D30V";
534 case EM_V850: return "NEC v850";
535 case EM_M32R: return "Mitsubishi M32R";
536 case EM_MN10300: return "Matsushita MN10300";
537 case EM_MN10200: return "Matsushita MN10200";
538 case EM_PJ: return "picoJava";
539 case EM_OPENRISC: return "OpenRISC 32-bit embedded processor";
540 case EM_ARC_A5: return "ARC Cores Tangent-A5";
541 case EM_XTENSA: return "Tensilica Xtensa Architecture";
542 case EM_VIDEOCORE: return "Alphamosaic VideoCore processor";
543 case EM_TMM_GPP: return "Thompson Multimedia General Purpose Processor";
544 case EM_NS32K: return "National Semiconductor 32000 series";
545 case EM_TPC: return "Tenor Network TPC processor";
546 case EM_SNP1K: return "Trebia SNP 1000 processor";
547 case EM_ST200: return "STMicroelectronics ST200 microcontroller";
548 case EM_IP2K: return "Ubicom IP2xxx microcontroller family";
549 case EM_MAX: return "MAX Processor";
550 case EM_CR: return "National Semiconductor CompactRISC microprocessor";
551 case EM_F2MC16: return "Fujitsu F2MC16";
552 case EM_MSP430: return "TI embedded microcontroller msp430";
553 case EM_BLACKFIN: return "Analog Devices Blackfin (DSP) processor";
554 case EM_SE_C33: return "S1C33 Family of Seiko Epson processors";
555 case EM_SEP: return "Sharp embedded microprocessor";
556 case EM_ARCA: return "Arca RISC Microprocessor";
557 case EM_UNICORE: return "Microprocessor series from PKU-Unity Ltd";
558 case EM_AARCH64: return "AArch64";
559 case EM_RISCV: return "RISC-V";
561 snprintf(s_mach, sizeof(s_mach), "<unknown: %#x>", mach);
568 elf_class(unsigned int class)
570 static char s_class[32];
573 case ELFCLASSNONE: return "none";
574 case ELFCLASS32: return "ELF32";
575 case ELFCLASS64: return "ELF64";
577 snprintf(s_class, sizeof(s_class), "<unknown: %#x>", class);
583 elf_endian(unsigned int endian)
585 static char s_endian[32];
588 case ELFDATANONE: return "none";
589 case ELFDATA2LSB: return "2's complement, little endian";
590 case ELFDATA2MSB: return "2's complement, big endian";
592 snprintf(s_endian, sizeof(s_endian), "<unknown: %#x>", endian);
598 elf_type(unsigned int type)
600 static char s_type[32];
603 case ET_NONE: return "NONE (None)";
604 case ET_REL: return "REL (Relocatable file)";
605 case ET_EXEC: return "EXEC (Executable file)";
606 case ET_DYN: return "DYN (Shared object file)";
607 case ET_CORE: return "CORE (Core file)";
609 if (type >= ET_LOPROC)
610 snprintf(s_type, sizeof(s_type), "<proc: %#x>", type);
611 else if (type >= ET_LOOS && type <= ET_HIOS)
612 snprintf(s_type, sizeof(s_type), "<os: %#x>", type);
614 snprintf(s_type, sizeof(s_type), "<unknown: %#x>",
621 elf_ver(unsigned int ver)
623 static char s_ver[32];
626 case EV_CURRENT: return "(current)";
627 case EV_NONE: return "(none)";
629 snprintf(s_ver, sizeof(s_ver), "<unknown: %#x>",
636 phdr_type(unsigned int mach, unsigned int ptype)
638 static char s_ptype[32];
640 if (ptype >= PT_LOPROC && ptype <= PT_HIPROC) {
644 case PT_ARM_ARCHEXT: return "ARM_ARCHEXT";
645 case PT_ARM_EXIDX: return "ARM_EXIDX";
649 snprintf(s_ptype, sizeof(s_ptype), "LOPROC+%#x",
655 case PT_NULL: return "NULL";
656 case PT_LOAD: return "LOAD";
657 case PT_DYNAMIC: return "DYNAMIC";
658 case PT_INTERP: return "INTERP";
659 case PT_NOTE: return "NOTE";
660 case PT_SHLIB: return "SHLIB";
661 case PT_PHDR: return "PHDR";
662 case PT_TLS: return "TLS";
663 case PT_GNU_EH_FRAME: return "GNU_EH_FRAME";
664 case PT_GNU_STACK: return "GNU_STACK";
665 case PT_GNU_RELRO: return "GNU_RELRO";
667 if (ptype >= PT_LOOS && ptype <= PT_HIOS)
668 snprintf(s_ptype, sizeof(s_ptype), "LOOS+%#x",
671 snprintf(s_ptype, sizeof(s_ptype), "<unknown: %#x>",
678 section_type(unsigned int mach, unsigned int stype)
680 static char s_stype[32];
682 if (stype >= SHT_LOPROC && stype <= SHT_HIPROC) {
686 case SHT_ARM_EXIDX: return "ARM_EXIDX";
687 case SHT_ARM_PREEMPTMAP: return "ARM_PREEMPTMAP";
688 case SHT_ARM_ATTRIBUTES: return "ARM_ATTRIBUTES";
689 case SHT_ARM_DEBUGOVERLAY: return "ARM_DEBUGOVERLAY";
690 case SHT_ARM_OVERLAYSECTION: return "ARM_OVERLAYSECTION";
695 case SHT_X86_64_UNWIND: return "X86_64_UNWIND";
703 case SHT_MIPS_LIBLIST: return "MIPS_LIBLIST";
704 case SHT_MIPS_MSYM: return "MIPS_MSYM";
705 case SHT_MIPS_CONFLICT: return "MIPS_CONFLICT";
706 case SHT_MIPS_GPTAB: return "MIPS_GPTAB";
707 case SHT_MIPS_UCODE: return "MIPS_UCODE";
708 case SHT_MIPS_DEBUG: return "MIPS_DEBUG";
709 case SHT_MIPS_REGINFO: return "MIPS_REGINFO";
710 case SHT_MIPS_PACKAGE: return "MIPS_PACKAGE";
711 case SHT_MIPS_PACKSYM: return "MIPS_PACKSYM";
712 case SHT_MIPS_RELD: return "MIPS_RELD";
713 case SHT_MIPS_IFACE: return "MIPS_IFACE";
714 case SHT_MIPS_CONTENT: return "MIPS_CONTENT";
715 case SHT_MIPS_OPTIONS: return "MIPS_OPTIONS";
716 case SHT_MIPS_DELTASYM: return "MIPS_DELTASYM";
717 case SHT_MIPS_DELTAINST: return "MIPS_DELTAINST";
718 case SHT_MIPS_DELTACLASS: return "MIPS_DELTACLASS";
719 case SHT_MIPS_DWARF: return "MIPS_DWARF";
720 case SHT_MIPS_DELTADECL: return "MIPS_DELTADECL";
721 case SHT_MIPS_SYMBOL_LIB: return "MIPS_SYMBOL_LIB";
722 case SHT_MIPS_EVENTS: return "MIPS_EVENTS";
723 case SHT_MIPS_TRANSLATE: return "MIPS_TRANSLATE";
724 case SHT_MIPS_PIXIE: return "MIPS_PIXIE";
725 case SHT_MIPS_XLATE: return "MIPS_XLATE";
726 case SHT_MIPS_XLATE_DEBUG: return "MIPS_XLATE_DEBUG";
727 case SHT_MIPS_WHIRL: return "MIPS_WHIRL";
728 case SHT_MIPS_EH_REGION: return "MIPS_EH_REGION";
729 case SHT_MIPS_XLATE_OLD: return "MIPS_XLATE_OLD";
730 case SHT_MIPS_PDR_EXCEPTION: return "MIPS_PDR_EXCEPTION";
731 case SHT_MIPS_ABIFLAGS: return "MIPS_ABIFLAGS";
740 snprintf(s_stype, sizeof(s_stype), "LOPROC+%#x",
746 case SHT_NULL: return "NULL";
747 case SHT_PROGBITS: return "PROGBITS";
748 case SHT_SYMTAB: return "SYMTAB";
749 case SHT_STRTAB: return "STRTAB";
750 case SHT_RELA: return "RELA";
751 case SHT_HASH: return "HASH";
752 case SHT_DYNAMIC: return "DYNAMIC";
753 case SHT_NOTE: return "NOTE";
754 case SHT_NOBITS: return "NOBITS";
755 case SHT_REL: return "REL";
756 case SHT_SHLIB: return "SHLIB";
757 case SHT_DYNSYM: return "DYNSYM";
758 case SHT_INIT_ARRAY: return "INIT_ARRAY";
759 case SHT_FINI_ARRAY: return "FINI_ARRAY";
760 case SHT_PREINIT_ARRAY: return "PREINIT_ARRAY";
761 case SHT_GROUP: return "GROUP";
762 case SHT_SYMTAB_SHNDX: return "SYMTAB_SHNDX";
763 case SHT_SUNW_dof: return "SUNW_dof";
764 case SHT_SUNW_cap: return "SUNW_cap";
765 case SHT_GNU_HASH: return "GNU_HASH";
766 case SHT_SUNW_ANNOTATE: return "SUNW_ANNOTATE";
767 case SHT_SUNW_DEBUGSTR: return "SUNW_DEBUGSTR";
768 case SHT_SUNW_DEBUG: return "SUNW_DEBUG";
769 case SHT_SUNW_move: return "SUNW_move";
770 case SHT_SUNW_COMDAT: return "SUNW_COMDAT";
771 case SHT_SUNW_syminfo: return "SUNW_syminfo";
772 case SHT_SUNW_verdef: return "SUNW_verdef";
773 case SHT_SUNW_verneed: return "SUNW_verneed";
774 case SHT_SUNW_versym: return "SUNW_versym";
776 if (stype >= SHT_LOOS && stype <= SHT_HIOS)
777 snprintf(s_stype, sizeof(s_stype), "LOOS+%#x",
779 else if (stype >= SHT_LOUSER)
780 snprintf(s_stype, sizeof(s_stype), "LOUSER+%#x",
783 snprintf(s_stype, sizeof(s_stype), "<unknown: %#x>",
790 dt_type(unsigned int mach, unsigned int dtype)
792 static char s_dtype[32];
795 case DT_NULL: return "NULL";
796 case DT_NEEDED: return "NEEDED";
797 case DT_PLTRELSZ: return "PLTRELSZ";
798 case DT_PLTGOT: return "PLTGOT";
799 case DT_HASH: return "HASH";
800 case DT_STRTAB: return "STRTAB";
801 case DT_SYMTAB: return "SYMTAB";
802 case DT_RELA: return "RELA";
803 case DT_RELASZ: return "RELASZ";
804 case DT_RELAENT: return "RELAENT";
805 case DT_STRSZ: return "STRSZ";
806 case DT_SYMENT: return "SYMENT";
807 case DT_INIT: return "INIT";
808 case DT_FINI: return "FINI";
809 case DT_SONAME: return "SONAME";
810 case DT_RPATH: return "RPATH";
811 case DT_SYMBOLIC: return "SYMBOLIC";
812 case DT_REL: return "REL";
813 case DT_RELSZ: return "RELSZ";
814 case DT_RELENT: return "RELENT";
815 case DT_PLTREL: return "PLTREL";
816 case DT_DEBUG: return "DEBUG";
817 case DT_TEXTREL: return "TEXTREL";
818 case DT_JMPREL: return "JMPREL";
819 case DT_BIND_NOW: return "BIND_NOW";
820 case DT_INIT_ARRAY: return "INIT_ARRAY";
821 case DT_FINI_ARRAY: return "FINI_ARRAY";
822 case DT_INIT_ARRAYSZ: return "INIT_ARRAYSZ";
823 case DT_FINI_ARRAYSZ: return "FINI_ARRAYSZ";
824 case DT_RUNPATH: return "RUNPATH";
825 case DT_FLAGS: return "FLAGS";
826 case DT_PREINIT_ARRAY: return "PREINIT_ARRAY";
827 case DT_PREINIT_ARRAYSZ: return "PREINIT_ARRAYSZ";
828 case DT_MAXPOSTAGS: return "MAXPOSTAGS";
829 case DT_SUNW_AUXILIARY: return "SUNW_AUXILIARY";
830 case DT_SUNW_RTLDINF: return "SUNW_RTLDINF";
831 case DT_SUNW_FILTER: return "SUNW_FILTER";
832 case DT_SUNW_CAP: return "SUNW_CAP";
833 case DT_SUNW_ASLR: return "SUNW_ASLR";
834 case DT_CHECKSUM: return "CHECKSUM";
835 case DT_PLTPADSZ: return "PLTPADSZ";
836 case DT_MOVEENT: return "MOVEENT";
837 case DT_MOVESZ: return "MOVESZ";
838 case DT_FEATURE: return "FEATURE";
839 case DT_POSFLAG_1: return "POSFLAG_1";
840 case DT_SYMINSZ: return "SYMINSZ";
841 case DT_SYMINENT: return "SYMINENT";
842 case DT_GNU_HASH: return "GNU_HASH";
843 case DT_TLSDESC_PLT: return "DT_TLSDESC_PLT";
844 case DT_TLSDESC_GOT: return "DT_TLSDESC_GOT";
845 case DT_GNU_CONFLICT: return "GNU_CONFLICT";
846 case DT_GNU_LIBLIST: return "GNU_LIBLIST";
847 case DT_CONFIG: return "CONFIG";
848 case DT_DEPAUDIT: return "DEPAUDIT";
849 case DT_AUDIT: return "AUDIT";
850 case DT_PLTPAD: return "PLTPAD";
851 case DT_MOVETAB: return "MOVETAB";
852 case DT_SYMINFO: return "SYMINFO";
853 case DT_VERSYM: return "VERSYM";
854 case DT_RELACOUNT: return "RELACOUNT";
855 case DT_RELCOUNT: return "RELCOUNT";
856 case DT_FLAGS_1: return "FLAGS_1";
857 case DT_VERDEF: return "VERDEF";
858 case DT_VERDEFNUM: return "VERDEFNUM";
859 case DT_VERNEED: return "VERNEED";
860 case DT_VERNEEDNUM: return "VERNEEDNUM";
861 case DT_AUXILIARY: return "AUXILIARY";
862 case DT_USED: return "USED";
863 case DT_FILTER: return "FILTER";
864 case DT_GNU_PRELINKED: return "GNU_PRELINKED";
865 case DT_GNU_CONFLICTSZ: return "GNU_CONFLICTSZ";
866 case DT_GNU_LIBLISTSZ: return "GNU_LIBLISTSZ";
869 if (dtype >= DT_LOPROC && dtype <= DT_HIPROC) {
873 case DT_ARM_SYMTABSZ:
874 return "ARM_SYMTABSZ";
882 case DT_MIPS_RLD_VERSION:
883 return "MIPS_RLD_VERSION";
884 case DT_MIPS_TIME_STAMP:
885 return "MIPS_TIME_STAMP";
886 case DT_MIPS_ICHECKSUM:
887 return "MIPS_ICHECKSUM";
888 case DT_MIPS_IVERSION:
889 return "MIPS_IVERSION";
892 case DT_MIPS_BASE_ADDRESS:
893 return "MIPS_BASE_ADDRESS";
894 case DT_MIPS_CONFLICT:
895 return "MIPS_CONFLICT";
896 case DT_MIPS_LIBLIST:
897 return "MIPS_LIBLIST";
898 case DT_MIPS_LOCAL_GOTNO:
899 return "MIPS_LOCAL_GOTNO";
900 case DT_MIPS_CONFLICTNO:
901 return "MIPS_CONFLICTNO";
902 case DT_MIPS_LIBLISTNO:
903 return "MIPS_LIBLISTNO";
904 case DT_MIPS_SYMTABNO:
905 return "MIPS_SYMTABNO";
906 case DT_MIPS_UNREFEXTNO:
907 return "MIPS_UNREFEXTNO";
909 return "MIPS_GOTSYM";
910 case DT_MIPS_HIPAGENO:
911 return "MIPS_HIPAGENO";
912 case DT_MIPS_RLD_MAP:
913 return "MIPS_RLD_MAP";
914 case DT_MIPS_DELTA_CLASS:
915 return "MIPS_DELTA_CLASS";
916 case DT_MIPS_DELTA_CLASS_NO:
917 return "MIPS_DELTA_CLASS_NO";
918 case DT_MIPS_DELTA_INSTANCE:
919 return "MIPS_DELTA_INSTANCE";
920 case DT_MIPS_DELTA_INSTANCE_NO:
921 return "MIPS_DELTA_INSTANCE_NO";
922 case DT_MIPS_DELTA_RELOC:
923 return "MIPS_DELTA_RELOC";
924 case DT_MIPS_DELTA_RELOC_NO:
925 return "MIPS_DELTA_RELOC_NO";
926 case DT_MIPS_DELTA_SYM:
927 return "MIPS_DELTA_SYM";
928 case DT_MIPS_DELTA_SYM_NO:
929 return "MIPS_DELTA_SYM_NO";
930 case DT_MIPS_DELTA_CLASSSYM:
931 return "MIPS_DELTA_CLASSSYM";
932 case DT_MIPS_DELTA_CLASSSYM_NO:
933 return "MIPS_DELTA_CLASSSYM_NO";
934 case DT_MIPS_CXX_FLAGS:
935 return "MIPS_CXX_FLAGS";
936 case DT_MIPS_PIXIE_INIT:
937 return "MIPS_PIXIE_INIT";
938 case DT_MIPS_SYMBOL_LIB:
939 return "MIPS_SYMBOL_LIB";
940 case DT_MIPS_LOCALPAGE_GOTIDX:
941 return "MIPS_LOCALPAGE_GOTIDX";
942 case DT_MIPS_LOCAL_GOTIDX:
943 return "MIPS_LOCAL_GOTIDX";
944 case DT_MIPS_HIDDEN_GOTIDX:
945 return "MIPS_HIDDEN_GOTIDX";
946 case DT_MIPS_PROTECTED_GOTIDX:
947 return "MIPS_PROTECTED_GOTIDX";
948 case DT_MIPS_OPTIONS:
949 return "MIPS_OPTIONS";
950 case DT_MIPS_INTERFACE:
951 return "MIPS_INTERFACE";
952 case DT_MIPS_DYNSTR_ALIGN:
953 return "MIPS_DYNSTR_ALIGN";
954 case DT_MIPS_INTERFACE_SIZE:
955 return "MIPS_INTERFACE_SIZE";
956 case DT_MIPS_RLD_TEXT_RESOLVE_ADDR:
957 return "MIPS_RLD_TEXT_RESOLVE_ADDR";
958 case DT_MIPS_PERF_SUFFIX:
959 return "MIPS_PERF_SUFFIX";
960 case DT_MIPS_COMPACT_SIZE:
961 return "MIPS_COMPACT_SIZE";
962 case DT_MIPS_GP_VALUE:
963 return "MIPS_GP_VALUE";
964 case DT_MIPS_AUX_DYNAMIC:
965 return "MIPS_AUX_DYNAMIC";
967 return "MIPS_PLTGOT";
968 case DT_MIPS_RLD_OBJ_UPDATE:
969 return "MIPS_RLD_OBJ_UPDATE";
980 case DT_SPARC_REGISTER:
981 return "DT_SPARC_REGISTER";
991 snprintf(s_dtype, sizeof(s_dtype), "<unknown: %#x>", dtype);
996 st_bind(unsigned int sbind)
998 static char s_sbind[32];
1001 case STB_LOCAL: return "LOCAL";
1002 case STB_GLOBAL: return "GLOBAL";
1003 case STB_WEAK: return "WEAK";
1004 case STB_GNU_UNIQUE: return "UNIQUE";
1006 if (sbind >= STB_LOOS && sbind <= STB_HIOS)
1008 else if (sbind >= STB_LOPROC && sbind <= STB_HIPROC)
1011 snprintf(s_sbind, sizeof(s_sbind), "<unknown: %#x>",
1018 st_type(unsigned int mach, unsigned int os, unsigned int stype)
1020 static char s_stype[32];
1023 case STT_NOTYPE: return "NOTYPE";
1024 case STT_OBJECT: return "OBJECT";
1025 case STT_FUNC: return "FUNC";
1026 case STT_SECTION: return "SECTION";
1027 case STT_FILE: return "FILE";
1028 case STT_COMMON: return "COMMON";
1029 case STT_TLS: return "TLS";
1031 if (stype >= STT_LOOS && stype <= STT_HIOS) {
1032 if ((os == ELFOSABI_GNU || os == ELFOSABI_FREEBSD) &&
1033 stype == STT_GNU_IFUNC)
1035 snprintf(s_stype, sizeof(s_stype), "OS+%#x",
1037 } else if (stype >= STT_LOPROC && stype <= STT_HIPROC) {
1038 if (mach == EM_SPARCV9 && stype == STT_SPARC_REGISTER)
1040 snprintf(s_stype, sizeof(s_stype), "PROC+%#x",
1041 stype - STT_LOPROC);
1043 snprintf(s_stype, sizeof(s_stype), "<unknown: %#x>",
1050 st_vis(unsigned int svis)
1052 static char s_svis[32];
1055 case STV_DEFAULT: return "DEFAULT";
1056 case STV_INTERNAL: return "INTERNAL";
1057 case STV_HIDDEN: return "HIDDEN";
1058 case STV_PROTECTED: return "PROTECTED";
1060 snprintf(s_svis, sizeof(s_svis), "<unknown: %#x>", svis);
1066 st_shndx(unsigned int shndx)
1068 static char s_shndx[32];
1071 case SHN_UNDEF: return "UND";
1072 case SHN_ABS: return "ABS";
1073 case SHN_COMMON: return "COM";
1075 if (shndx >= SHN_LOPROC && shndx <= SHN_HIPROC)
1077 else if (shndx >= SHN_LOOS && shndx <= SHN_HIOS)
1080 snprintf(s_shndx, sizeof(s_shndx), "%u", shndx);
1089 } section_flag[] = {
1090 {"WRITE", 'W', SHF_WRITE},
1091 {"ALLOC", 'A', SHF_ALLOC},
1092 {"EXEC", 'X', SHF_EXECINSTR},
1093 {"MERGE", 'M', SHF_MERGE},
1094 {"STRINGS", 'S', SHF_STRINGS},
1095 {"INFO LINK", 'I', SHF_INFO_LINK},
1096 {"OS NONCONF", 'O', SHF_OS_NONCONFORMING},
1097 {"GROUP", 'G', SHF_GROUP},
1098 {"TLS", 'T', SHF_TLS},
1099 {"COMPRESSED", 'C', SHF_COMPRESSED},
1104 note_type(const char *name, unsigned int et, unsigned int nt)
1106 if ((strcmp(name, "CORE") == 0 || strcmp(name, "LINUX") == 0) &&
1108 return note_type_linux_core(nt);
1109 else if (strcmp(name, "FreeBSD") == 0)
1111 return note_type_freebsd_core(nt);
1113 return note_type_freebsd(nt);
1114 else if (strcmp(name, "GNU") == 0 && et != ET_CORE)
1115 return note_type_gnu(nt);
1116 else if (strcmp(name, "NetBSD") == 0 && et != ET_CORE)
1117 return note_type_netbsd(nt);
1118 else if (strcmp(name, "OpenBSD") == 0 && et != ET_CORE)
1119 return note_type_openbsd(nt);
1120 else if (strcmp(name, "Xen") == 0 && et != ET_CORE)
1121 return note_type_xen(nt);
1122 return note_type_unknown(nt);
1126 note_type_freebsd(unsigned int nt)
1129 case 1: return "NT_FREEBSD_ABI_TAG";
1130 case 2: return "NT_FREEBSD_NOINIT_TAG";
1131 case 3: return "NT_FREEBSD_ARCH_TAG";
1132 case 4: return "NT_FREEBSD_FEATURE_CTL";
1133 default: return (note_type_unknown(nt));
1138 note_type_freebsd_core(unsigned int nt)
1141 case 1: return "NT_PRSTATUS";
1142 case 2: return "NT_FPREGSET";
1143 case 3: return "NT_PRPSINFO";
1144 case 7: return "NT_THRMISC";
1145 case 8: return "NT_PROCSTAT_PROC";
1146 case 9: return "NT_PROCSTAT_FILES";
1147 case 10: return "NT_PROCSTAT_VMMAP";
1148 case 11: return "NT_PROCSTAT_GROUPS";
1149 case 12: return "NT_PROCSTAT_UMASK";
1150 case 13: return "NT_PROCSTAT_RLIMIT";
1151 case 14: return "NT_PROCSTAT_OSREL";
1152 case 15: return "NT_PROCSTAT_PSSTRINGS";
1153 case 16: return "NT_PROCSTAT_AUXV";
1154 case 17: return "NT_PTLWPINFO";
1155 case 0x202: return "NT_X86_XSTATE (x86 XSAVE extended state)";
1156 case 0x400: return "NT_ARM_VFP (arm VFP registers)";
1157 default: return (note_type_unknown(nt));
1162 note_type_linux_core(unsigned int nt)
1165 case 1: return "NT_PRSTATUS (Process status)";
1166 case 2: return "NT_FPREGSET (Floating point information)";
1167 case 3: return "NT_PRPSINFO (Process information)";
1168 case 4: return "NT_TASKSTRUCT (Task structure)";
1169 case 6: return "NT_AUXV (Auxiliary vector)";
1170 case 10: return "NT_PSTATUS (Linux process status)";
1171 case 12: return "NT_FPREGS (Linux floating point regset)";
1172 case 13: return "NT_PSINFO (Linux process information)";
1173 case 16: return "NT_LWPSTATUS (Linux lwpstatus_t type)";
1174 case 17: return "NT_LWPSINFO (Linux lwpinfo_t type)";
1175 case 18: return "NT_WIN32PSTATUS (win32_pstatus structure)";
1176 case 0x100: return "NT_PPC_VMX (ppc Altivec registers)";
1177 case 0x102: return "NT_PPC_VSX (ppc VSX registers)";
1178 case 0x202: return "NT_X86_XSTATE (x86 XSAVE extended state)";
1179 case 0x300: return "NT_S390_HIGH_GPRS (s390 upper register halves)";
1180 case 0x301: return "NT_S390_TIMER (s390 timer register)";
1181 case 0x302: return "NT_S390_TODCMP (s390 TOD comparator register)";
1182 case 0x303: return "NT_S390_TODPREG (s390 TOD programmable register)";
1183 case 0x304: return "NT_S390_CTRS (s390 control registers)";
1184 case 0x305: return "NT_S390_PREFIX (s390 prefix register)";
1185 case 0x400: return "NT_ARM_VFP (arm VFP registers)";
1186 case 0x46494c45UL: return "NT_FILE (mapped files)";
1187 case 0x46E62B7FUL: return "NT_PRXFPREG (Linux user_xfpregs structure)";
1188 case 0x53494749UL: return "NT_SIGINFO (siginfo_t data)";
1189 default: return (note_type_unknown(nt));
1194 note_type_gnu(unsigned int nt)
1197 case 1: return "NT_GNU_ABI_TAG";
1198 case 2: return "NT_GNU_HWCAP (Hardware capabilities)";
1199 case 3: return "NT_GNU_BUILD_ID (Build id set by ld(1))";
1200 case 4: return "NT_GNU_GOLD_VERSION (GNU gold version)";
1201 case 5: return "NT_GNU_PROPERTY_TYPE_0";
1202 default: return (note_type_unknown(nt));
1207 note_type_netbsd(unsigned int nt)
1210 case 1: return "NT_NETBSD_IDENT";
1211 default: return (note_type_unknown(nt));
1216 note_type_openbsd(unsigned int nt)
1219 case 1: return "NT_OPENBSD_IDENT";
1220 default: return (note_type_unknown(nt));
1225 note_type_unknown(unsigned int nt)
1227 static char s_nt[32];
1229 snprintf(s_nt, sizeof(s_nt),
1230 nt >= 0x100 ? "<unknown: 0x%x>" : "<unknown: %u>", nt);
1235 note_type_xen(unsigned int nt)
1238 case 0: return "XEN_ELFNOTE_INFO";
1239 case 1: return "XEN_ELFNOTE_ENTRY";
1240 case 2: return "XEN_ELFNOTE_HYPERCALL_PAGE";
1241 case 3: return "XEN_ELFNOTE_VIRT_BASE";
1242 case 4: return "XEN_ELFNOTE_PADDR_OFFSET";
1243 case 5: return "XEN_ELFNOTE_XEN_VERSION";
1244 case 6: return "XEN_ELFNOTE_GUEST_OS";
1245 case 7: return "XEN_ELFNOTE_GUEST_VERSION";
1246 case 8: return "XEN_ELFNOTE_LOADER";
1247 case 9: return "XEN_ELFNOTE_PAE_MODE";
1248 case 10: return "XEN_ELFNOTE_FEATURES";
1249 case 11: return "XEN_ELFNOTE_BSD_SYMTAB";
1250 case 12: return "XEN_ELFNOTE_HV_START_LOW";
1251 case 13: return "XEN_ELFNOTE_L1_MFN_VALID";
1252 case 14: return "XEN_ELFNOTE_SUSPEND_CANCEL";
1253 case 15: return "XEN_ELFNOTE_INIT_P2M";
1254 case 16: return "XEN_ELFNOTE_MOD_START_PFN";
1255 case 17: return "XEN_ELFNOTE_SUPPORTED_FEATURES";
1256 default: return (note_type_unknown(nt));
1264 {"EXACT_MATCH", LL_EXACT_MATCH},
1265 {"IGNORE_INT_VER", LL_IGNORE_INT_VER},
1266 {"REQUIRE_MINOR", LL_REQUIRE_MINOR},
1267 {"EXPORTS", LL_EXPORTS},
1268 {"DELAY_LOAD", LL_DELAY_LOAD},
1269 {"DELTA", LL_DELTA},
1273 static struct mips_option mips_exceptions_option[] = {
1274 {OEX_PAGE0, "PAGE0"},
1276 {OEX_PRECISEFP, "PRECISEFP"},
1277 {OEX_DISMISS, "DISMISS"},
1281 static struct mips_option mips_pad_option[] = {
1282 {OPAD_PREFIX, "PREFIX"},
1283 {OPAD_POSTFIX, "POSTFIX"},
1284 {OPAD_SYMBOL, "SYMBOL"},
1288 static struct mips_option mips_hwpatch_option[] = {
1289 {OHW_R4KEOP, "R4KEOP"},
1290 {OHW_R8KPFETCH, "R8KPFETCH"},
1291 {OHW_R5KEOP, "R5KEOP"},
1292 {OHW_R5KCVTL, "R5KCVTL"},
1296 static struct mips_option mips_hwa_option[] = {
1297 {OHWA0_R4KEOP_CHECKED, "R4KEOP_CHECKED"},
1298 {OHWA0_R4KEOP_CLEAN, "R4KEOP_CLEAN"},
1302 static struct mips_option mips_hwo_option[] = {
1303 {OHWO0_FIXADE, "FIXADE"},
1308 option_kind(uint8_t kind)
1310 static char s_kind[32];
1313 case ODK_NULL: return "NULL";
1314 case ODK_REGINFO: return "REGINFO";
1315 case ODK_EXCEPTIONS: return "EXCEPTIONS";
1316 case ODK_PAD: return "PAD";
1317 case ODK_HWPATCH: return "HWPATCH";
1318 case ODK_FILL: return "FILL";
1319 case ODK_TAGS: return "TAGS";
1320 case ODK_HWAND: return "HWAND";
1321 case ODK_HWOR: return "HWOR";
1322 case ODK_GP_GROUP: return "GP_GROUP";
1323 case ODK_IDENT: return "IDENT";
1325 snprintf(s_kind, sizeof(s_kind), "<unknown: %u>", kind);
1331 top_tag(unsigned int tag)
1333 static char s_top_tag[32];
1336 case 1: return "File Attributes";
1337 case 2: return "Section Attributes";
1338 case 3: return "Symbol Attributes";
1340 snprintf(s_top_tag, sizeof(s_top_tag), "Unknown tag: %u", tag);
1346 aeabi_cpu_arch(uint64_t arch)
1348 static char s_cpu_arch[32];
1351 case 0: return "Pre-V4";
1352 case 1: return "ARM v4";
1353 case 2: return "ARM v4T";
1354 case 3: return "ARM v5T";
1355 case 4: return "ARM v5TE";
1356 case 5: return "ARM v5TEJ";
1357 case 6: return "ARM v6";
1358 case 7: return "ARM v6KZ";
1359 case 8: return "ARM v6T2";
1360 case 9: return "ARM v6K";
1361 case 10: return "ARM v7";
1362 case 11: return "ARM v6-M";
1363 case 12: return "ARM v6S-M";
1364 case 13: return "ARM v7E-M";
1366 snprintf(s_cpu_arch, sizeof(s_cpu_arch),
1367 "Unknown (%ju)", (uintmax_t) arch);
1368 return (s_cpu_arch);
1373 aeabi_cpu_arch_profile(uint64_t pf)
1375 static char s_arch_profile[32];
1379 return "Not applicable";
1380 case 0x41: /* 'A' */
1381 return "Application Profile";
1382 case 0x52: /* 'R' */
1383 return "Real-Time Profile";
1384 case 0x4D: /* 'M' */
1385 return "Microcontroller Profile";
1386 case 0x53: /* 'S' */
1387 return "Application or Real-Time Profile";
1389 snprintf(s_arch_profile, sizeof(s_arch_profile),
1390 "Unknown (%ju)\n", (uintmax_t) pf);
1391 return (s_arch_profile);
1396 aeabi_arm_isa(uint64_t ai)
1398 static char s_ai[32];
1401 case 0: return "No";
1402 case 1: return "Yes";
1404 snprintf(s_ai, sizeof(s_ai), "Unknown (%ju)\n",
1411 aeabi_thumb_isa(uint64_t ti)
1413 static char s_ti[32];
1416 case 0: return "No";
1417 case 1: return "16-bit Thumb";
1418 case 2: return "32-bit Thumb";
1420 snprintf(s_ti, sizeof(s_ti), "Unknown (%ju)\n",
1427 aeabi_fp_arch(uint64_t fp)
1429 static char s_fp_arch[32];
1432 case 0: return "No";
1433 case 1: return "VFPv1";
1434 case 2: return "VFPv2";
1435 case 3: return "VFPv3";
1436 case 4: return "VFPv3-D16";
1437 case 5: return "VFPv4";
1438 case 6: return "VFPv4-D16";
1440 snprintf(s_fp_arch, sizeof(s_fp_arch), "Unknown (%ju)",
1447 aeabi_wmmx_arch(uint64_t wmmx)
1449 static char s_wmmx[32];
1452 case 0: return "No";
1453 case 1: return "WMMXv1";
1454 case 2: return "WMMXv2";
1456 snprintf(s_wmmx, sizeof(s_wmmx), "Unknown (%ju)",
1463 aeabi_adv_simd_arch(uint64_t simd)
1465 static char s_simd[32];
1468 case 0: return "No";
1469 case 1: return "NEONv1";
1470 case 2: return "NEONv2";
1472 snprintf(s_simd, sizeof(s_simd), "Unknown (%ju)",
1479 aeabi_pcs_config(uint64_t pcs)
1481 static char s_pcs[32];
1484 case 0: return "None";
1485 case 1: return "Bare platform";
1486 case 2: return "Linux";
1487 case 3: return "Linux DSO";
1488 case 4: return "Palm OS 2004";
1489 case 5: return "Palm OS (future)";
1490 case 6: return "Symbian OS 2004";
1491 case 7: return "Symbian OS (future)";
1493 snprintf(s_pcs, sizeof(s_pcs), "Unknown (%ju)",
1500 aeabi_pcs_r9(uint64_t r9)
1502 static char s_r9[32];
1505 case 0: return "V6";
1506 case 1: return "SB";
1507 case 2: return "TLS pointer";
1508 case 3: return "Unused";
1510 snprintf(s_r9, sizeof(s_r9), "Unknown (%ju)", (uintmax_t) r9);
1516 aeabi_pcs_rw(uint64_t rw)
1518 static char s_rw[32];
1521 case 0: return "Absolute";
1522 case 1: return "PC-relative";
1523 case 2: return "SB-relative";
1524 case 3: return "None";
1526 snprintf(s_rw, sizeof(s_rw), "Unknown (%ju)", (uintmax_t) rw);
1532 aeabi_pcs_ro(uint64_t ro)
1534 static char s_ro[32];
1537 case 0: return "Absolute";
1538 case 1: return "PC-relative";
1539 case 2: return "None";
1541 snprintf(s_ro, sizeof(s_ro), "Unknown (%ju)", (uintmax_t) ro);
1547 aeabi_pcs_got(uint64_t got)
1549 static char s_got[32];
1552 case 0: return "None";
1553 case 1: return "direct";
1554 case 2: return "indirect via GOT";
1556 snprintf(s_got, sizeof(s_got), "Unknown (%ju)",
1563 aeabi_pcs_wchar_t(uint64_t wt)
1565 static char s_wt[32];
1568 case 0: return "None";
1569 case 2: return "wchar_t size 2";
1570 case 4: return "wchar_t size 4";
1572 snprintf(s_wt, sizeof(s_wt), "Unknown (%ju)", (uintmax_t) wt);
1578 aeabi_enum_size(uint64_t es)
1580 static char s_es[32];
1583 case 0: return "None";
1584 case 1: return "smallest";
1585 case 2: return "32-bit";
1586 case 3: return "visible 32-bit";
1588 snprintf(s_es, sizeof(s_es), "Unknown (%ju)", (uintmax_t) es);
1594 aeabi_align_needed(uint64_t an)
1596 static char s_align_n[64];
1599 case 0: return "No";
1600 case 1: return "8-byte align";
1601 case 2: return "4-byte align";
1602 case 3: return "Reserved";
1604 if (an >= 4 && an <= 12)
1605 snprintf(s_align_n, sizeof(s_align_n), "8-byte align"
1606 " and up to 2^%ju-byte extended align",
1609 snprintf(s_align_n, sizeof(s_align_n), "Unknown (%ju)",
1616 aeabi_align_preserved(uint64_t ap)
1618 static char s_align_p[128];
1621 case 0: return "No";
1622 case 1: return "8-byte align";
1623 case 2: return "8-byte align and SP % 8 == 0";
1624 case 3: return "Reserved";
1626 if (ap >= 4 && ap <= 12)
1627 snprintf(s_align_p, sizeof(s_align_p), "8-byte align"
1628 " and SP %% 8 == 0 and up to 2^%ju-byte extended"
1629 " align", (uintmax_t) ap);
1631 snprintf(s_align_p, sizeof(s_align_p), "Unknown (%ju)",
1638 aeabi_fp_rounding(uint64_t fr)
1640 static char s_fp_r[32];
1643 case 0: return "Unused";
1644 case 1: return "Needed";
1646 snprintf(s_fp_r, sizeof(s_fp_r), "Unknown (%ju)",
1653 aeabi_fp_denormal(uint64_t fd)
1655 static char s_fp_d[32];
1658 case 0: return "Unused";
1659 case 1: return "Needed";
1660 case 2: return "Sign Only";
1662 snprintf(s_fp_d, sizeof(s_fp_d), "Unknown (%ju)",
1669 aeabi_fp_exceptions(uint64_t fe)
1671 static char s_fp_e[32];
1674 case 0: return "Unused";
1675 case 1: return "Needed";
1677 snprintf(s_fp_e, sizeof(s_fp_e), "Unknown (%ju)",
1684 aeabi_fp_user_exceptions(uint64_t fu)
1686 static char s_fp_u[32];
1689 case 0: return "Unused";
1690 case 1: return "Needed";
1692 snprintf(s_fp_u, sizeof(s_fp_u), "Unknown (%ju)",
1699 aeabi_fp_number_model(uint64_t fn)
1701 static char s_fp_n[32];
1704 case 0: return "Unused";
1705 case 1: return "IEEE 754 normal";
1706 case 2: return "RTABI";
1707 case 3: return "IEEE 754";
1709 snprintf(s_fp_n, sizeof(s_fp_n), "Unknown (%ju)",
1716 aeabi_fp_16bit_format(uint64_t fp16)
1718 static char s_fp_16[64];
1721 case 0: return "None";
1722 case 1: return "IEEE 754";
1723 case 2: return "VFPv3/Advanced SIMD (alternative format)";
1725 snprintf(s_fp_16, sizeof(s_fp_16), "Unknown (%ju)",
1732 aeabi_mpext(uint64_t mp)
1734 static char s_mp[32];
1737 case 0: return "Not allowed";
1738 case 1: return "Allowed";
1740 snprintf(s_mp, sizeof(s_mp), "Unknown (%ju)",
1747 aeabi_div(uint64_t du)
1749 static char s_du[32];
1752 case 0: return "Yes (V7-R/V7-M)";
1753 case 1: return "No";
1754 case 2: return "Yes (V7-A)";
1756 snprintf(s_du, sizeof(s_du), "Unknown (%ju)",
1763 aeabi_t2ee(uint64_t t2ee)
1765 static char s_t2ee[32];
1768 case 0: return "Not allowed";
1769 case 1: return "Allowed";
1771 snprintf(s_t2ee, sizeof(s_t2ee), "Unknown(%ju)",
1779 aeabi_hardfp(uint64_t hfp)
1781 static char s_hfp[32];
1784 case 0: return "Tag_FP_arch";
1785 case 1: return "only SP";
1786 case 2: return "only DP";
1787 case 3: return "both SP and DP";
1789 snprintf(s_hfp, sizeof(s_hfp), "Unknown (%ju)",
1796 aeabi_vfp_args(uint64_t va)
1798 static char s_va[32];
1801 case 0: return "AAPCS (base variant)";
1802 case 1: return "AAPCS (VFP variant)";
1803 case 2: return "toolchain-specific";
1805 snprintf(s_va, sizeof(s_va), "Unknown (%ju)", (uintmax_t) va);
1811 aeabi_wmmx_args(uint64_t wa)
1813 static char s_wa[32];
1816 case 0: return "AAPCS (base variant)";
1817 case 1: return "Intel WMMX";
1818 case 2: return "toolchain-specific";
1820 snprintf(s_wa, sizeof(s_wa), "Unknown(%ju)", (uintmax_t) wa);
1826 aeabi_unaligned_access(uint64_t ua)
1828 static char s_ua[32];
1831 case 0: return "Not allowed";
1832 case 1: return "Allowed";
1834 snprintf(s_ua, sizeof(s_ua), "Unknown(%ju)", (uintmax_t) ua);
1840 aeabi_fp_hpext(uint64_t fh)
1842 static char s_fh[32];
1845 case 0: return "Not allowed";
1846 case 1: return "Allowed";
1848 snprintf(s_fh, sizeof(s_fh), "Unknown(%ju)", (uintmax_t) fh);
1854 aeabi_optm_goal(uint64_t og)
1856 static char s_og[32];
1859 case 0: return "None";
1860 case 1: return "Speed";
1861 case 2: return "Speed aggressive";
1862 case 3: return "Space";
1863 case 4: return "Space aggressive";
1864 case 5: return "Debugging";
1865 case 6: return "Best Debugging";
1867 snprintf(s_og, sizeof(s_og), "Unknown(%ju)", (uintmax_t) og);
1873 aeabi_fp_optm_goal(uint64_t fog)
1875 static char s_fog[32];
1878 case 0: return "None";
1879 case 1: return "Speed";
1880 case 2: return "Speed aggressive";
1881 case 3: return "Space";
1882 case 4: return "Space aggressive";
1883 case 5: return "Accurary";
1884 case 6: return "Best Accurary";
1886 snprintf(s_fog, sizeof(s_fog), "Unknown(%ju)",
1893 aeabi_virtual(uint64_t vt)
1895 static char s_virtual[64];
1898 case 0: return "No";
1899 case 1: return "TrustZone";
1900 case 2: return "Virtualization extension";
1901 case 3: return "TrustZone and virtualization extension";
1903 snprintf(s_virtual, sizeof(s_virtual), "Unknown(%ju)",
1912 const char *(*get_desc)(uint64_t val);
1914 {4, "Tag_CPU_raw_name", NULL},
1915 {5, "Tag_CPU_name", NULL},
1916 {6, "Tag_CPU_arch", aeabi_cpu_arch},
1917 {7, "Tag_CPU_arch_profile", aeabi_cpu_arch_profile},
1918 {8, "Tag_ARM_ISA_use", aeabi_arm_isa},
1919 {9, "Tag_THUMB_ISA_use", aeabi_thumb_isa},
1920 {10, "Tag_FP_arch", aeabi_fp_arch},
1921 {11, "Tag_WMMX_arch", aeabi_wmmx_arch},
1922 {12, "Tag_Advanced_SIMD_arch", aeabi_adv_simd_arch},
1923 {13, "Tag_PCS_config", aeabi_pcs_config},
1924 {14, "Tag_ABI_PCS_R9_use", aeabi_pcs_r9},
1925 {15, "Tag_ABI_PCS_RW_data", aeabi_pcs_rw},
1926 {16, "Tag_ABI_PCS_RO_data", aeabi_pcs_ro},
1927 {17, "Tag_ABI_PCS_GOT_use", aeabi_pcs_got},
1928 {18, "Tag_ABI_PCS_wchar_t", aeabi_pcs_wchar_t},
1929 {19, "Tag_ABI_FP_rounding", aeabi_fp_rounding},
1930 {20, "Tag_ABI_FP_denormal", aeabi_fp_denormal},
1931 {21, "Tag_ABI_FP_exceptions", aeabi_fp_exceptions},
1932 {22, "Tag_ABI_FP_user_exceptions", aeabi_fp_user_exceptions},
1933 {23, "Tag_ABI_FP_number_model", aeabi_fp_number_model},
1934 {24, "Tag_ABI_align_needed", aeabi_align_needed},
1935 {25, "Tag_ABI_align_preserved", aeabi_align_preserved},
1936 {26, "Tag_ABI_enum_size", aeabi_enum_size},
1937 {27, "Tag_ABI_HardFP_use", aeabi_hardfp},
1938 {28, "Tag_ABI_VFP_args", aeabi_vfp_args},
1939 {29, "Tag_ABI_WMMX_args", aeabi_wmmx_args},
1940 {30, "Tag_ABI_optimization_goals", aeabi_optm_goal},
1941 {31, "Tag_ABI_FP_optimization_goals", aeabi_fp_optm_goal},
1942 {32, "Tag_compatibility", NULL},
1943 {34, "Tag_CPU_unaligned_access", aeabi_unaligned_access},
1944 {36, "Tag_FP_HP_extension", aeabi_fp_hpext},
1945 {38, "Tag_ABI_FP_16bit_format", aeabi_fp_16bit_format},
1946 {42, "Tag_MPextension_use", aeabi_mpext},
1947 {44, "Tag_DIV_use", aeabi_div},
1948 {64, "Tag_nodefaults", NULL},
1949 {65, "Tag_also_compatible_with", NULL},
1950 {66, "Tag_T2EE_use", aeabi_t2ee},
1951 {67, "Tag_conformance", NULL},
1952 {68, "Tag_Virtualization_use", aeabi_virtual},
1953 {70, "Tag_MPextension_use", aeabi_mpext},
1957 mips_abi_fp(uint64_t fp)
1959 static char s_mips_abi_fp[64];
1962 case 0: return "N/A";
1963 case 1: return "Hard float (double precision)";
1964 case 2: return "Hard float (single precision)";
1965 case 3: return "Soft float";
1966 case 4: return "64-bit float (-mips32r2 -mfp64)";
1968 snprintf(s_mips_abi_fp, sizeof(s_mips_abi_fp), "Unknown(%ju)",
1970 return (s_mips_abi_fp);
1975 ppc_abi_fp(uint64_t fp)
1977 static char s_ppc_abi_fp[64];
1980 case 0: return "N/A";
1981 case 1: return "Hard float (double precision)";
1982 case 2: return "Soft float";
1983 case 3: return "Hard float (single precision)";
1985 snprintf(s_ppc_abi_fp, sizeof(s_ppc_abi_fp), "Unknown(%ju)",
1987 return (s_ppc_abi_fp);
1992 ppc_abi_vector(uint64_t vec)
1994 static char s_vec[64];
1997 case 0: return "N/A";
1998 case 1: return "Generic purpose registers";
1999 case 2: return "AltiVec registers";
2000 case 3: return "SPE registers";
2002 snprintf(s_vec, sizeof(s_vec), "Unknown(%ju)", (uintmax_t) vec);
2008 dwarf_reg(unsigned int mach, unsigned int reg)
2015 case 0: return "eax";
2016 case 1: return "ecx";
2017 case 2: return "edx";
2018 case 3: return "ebx";
2019 case 4: return "esp";
2020 case 5: return "ebp";
2021 case 6: return "esi";
2022 case 7: return "edi";
2023 case 8: return "eip";
2024 case 9: return "eflags";
2025 case 11: return "st0";
2026 case 12: return "st1";
2027 case 13: return "st2";
2028 case 14: return "st3";
2029 case 15: return "st4";
2030 case 16: return "st5";
2031 case 17: return "st6";
2032 case 18: return "st7";
2033 case 21: return "xmm0";
2034 case 22: return "xmm1";
2035 case 23: return "xmm2";
2036 case 24: return "xmm3";
2037 case 25: return "xmm4";
2038 case 26: return "xmm5";
2039 case 27: return "xmm6";
2040 case 28: return "xmm7";
2041 case 29: return "mm0";
2042 case 30: return "mm1";
2043 case 31: return "mm2";
2044 case 32: return "mm3";
2045 case 33: return "mm4";
2046 case 34: return "mm5";
2047 case 35: return "mm6";
2048 case 36: return "mm7";
2049 case 37: return "fcw";
2050 case 38: return "fsw";
2051 case 39: return "mxcsr";
2052 case 40: return "es";
2053 case 41: return "cs";
2054 case 42: return "ss";
2055 case 43: return "ds";
2056 case 44: return "fs";
2057 case 45: return "gs";
2058 case 48: return "tr";
2059 case 49: return "ldtr";
2060 default: return (NULL);
2064 case 0: return "rax";
2065 case 1: return "rdx";
2066 case 2: return "rcx";
2067 case 3: return "rbx";
2068 case 4: return "rsi";
2069 case 5: return "rdi";
2070 case 6: return "rbp";
2071 case 7: return "rsp";
2072 case 16: return "rip";
2073 case 17: return "xmm0";
2074 case 18: return "xmm1";
2075 case 19: return "xmm2";
2076 case 20: return "xmm3";
2077 case 21: return "xmm4";
2078 case 22: return "xmm5";
2079 case 23: return "xmm6";
2080 case 24: return "xmm7";
2081 case 25: return "xmm8";
2082 case 26: return "xmm9";
2083 case 27: return "xmm10";
2084 case 28: return "xmm11";
2085 case 29: return "xmm12";
2086 case 30: return "xmm13";
2087 case 31: return "xmm14";
2088 case 32: return "xmm15";
2089 case 33: return "st0";
2090 case 34: return "st1";
2091 case 35: return "st2";
2092 case 36: return "st3";
2093 case 37: return "st4";
2094 case 38: return "st5";
2095 case 39: return "st6";
2096 case 40: return "st7";
2097 case 41: return "mm0";
2098 case 42: return "mm1";
2099 case 43: return "mm2";
2100 case 44: return "mm3";
2101 case 45: return "mm4";
2102 case 46: return "mm5";
2103 case 47: return "mm6";
2104 case 48: return "mm7";
2105 case 49: return "rflags";
2106 case 50: return "es";
2107 case 51: return "cs";
2108 case 52: return "ss";
2109 case 53: return "ds";
2110 case 54: return "fs";
2111 case 55: return "gs";
2112 case 58: return "fs.base";
2113 case 59: return "gs.base";
2114 case 62: return "tr";
2115 case 63: return "ldtr";
2116 case 64: return "mxcsr";
2117 case 65: return "fcw";
2118 case 66: return "fsw";
2119 default: return (NULL);
2127 dump_ehdr(struct readelf *re)
2129 size_t phnum, shnum, shstrndx;
2132 printf("ELF Header:\n");
2136 for (i = 0; i < EI_NIDENT; i++)
2137 printf("%.2x ", re->ehdr.e_ident[i]);
2141 printf("%-37s%s\n", " Class:", elf_class(re->ehdr.e_ident[EI_CLASS]));
2144 printf("%-37s%s\n", " Data:", elf_endian(re->ehdr.e_ident[EI_DATA]));
2147 printf("%-37s%d %s\n", " Version:", re->ehdr.e_ident[EI_VERSION],
2148 elf_ver(re->ehdr.e_ident[EI_VERSION]));
2151 printf("%-37s%s\n", " OS/ABI:", elf_osabi(re->ehdr.e_ident[EI_OSABI]));
2153 /* EI_ABIVERSION. */
2154 printf("%-37s%d\n", " ABI Version:", re->ehdr.e_ident[EI_ABIVERSION]);
2157 printf("%-37s%s\n", " Type:", elf_type(re->ehdr.e_type));
2160 printf("%-37s%s\n", " Machine:", elf_machine(re->ehdr.e_machine));
2163 printf("%-37s%#x\n", " Version:", re->ehdr.e_version);
2166 printf("%-37s%#jx\n", " Entry point address:",
2167 (uintmax_t)re->ehdr.e_entry);
2170 printf("%-37s%ju (bytes into file)\n", " Start of program headers:",
2171 (uintmax_t)re->ehdr.e_phoff);
2174 printf("%-37s%ju (bytes into file)\n", " Start of section headers:",
2175 (uintmax_t)re->ehdr.e_shoff);
2178 printf("%-37s%#x", " Flags:", re->ehdr.e_flags);
2179 dump_eflags(re, re->ehdr.e_flags);
2183 printf("%-37s%u (bytes)\n", " Size of this header:",
2187 printf("%-37s%u (bytes)\n", " Size of program headers:",
2188 re->ehdr.e_phentsize);
2191 printf("%-37s%u", " Number of program headers:", re->ehdr.e_phnum);
2192 if (re->ehdr.e_phnum == PN_XNUM) {
2193 /* Extended program header numbering is in use. */
2194 if (elf_getphnum(re->elf, &phnum))
2195 printf(" (%zu)", phnum);
2200 printf("%-37s%u (bytes)\n", " Size of section headers:",
2201 re->ehdr.e_shentsize);
2204 printf("%-37s%u", " Number of section headers:", re->ehdr.e_shnum);
2205 if (re->ehdr.e_shnum == SHN_UNDEF) {
2206 /* Extended section numbering is in use. */
2207 if (elf_getshnum(re->elf, &shnum))
2208 printf(" (%ju)", (uintmax_t)shnum);
2213 printf("%-37s%u", " Section header string table index:",
2214 re->ehdr.e_shstrndx);
2215 if (re->ehdr.e_shstrndx == SHN_XINDEX) {
2216 /* Extended section numbering is in use. */
2217 if (elf_getshstrndx(re->elf, &shstrndx))
2218 printf(" (%ju)", (uintmax_t)shstrndx);
2224 dump_eflags(struct readelf *re, uint64_t e_flags)
2226 struct eflags_desc *edesc;
2230 switch (re->ehdr.e_machine) {
2232 arm_eabi = (e_flags & EF_ARM_EABIMASK) >> 24;
2234 printf(", GNU EABI");
2235 else if (arm_eabi <= 5)
2236 printf(", Version%d EABI", arm_eabi);
2237 edesc = arm_eflags_desc;
2240 case EM_MIPS_RS3_LE:
2241 switch ((e_flags & EF_MIPS_ARCH) >> 28) {
2242 case 0: printf(", mips1"); break;
2243 case 1: printf(", mips2"); break;
2244 case 2: printf(", mips3"); break;
2245 case 3: printf(", mips4"); break;
2246 case 4: printf(", mips5"); break;
2247 case 5: printf(", mips32"); break;
2248 case 6: printf(", mips64"); break;
2249 case 7: printf(", mips32r2"); break;
2250 case 8: printf(", mips64r2"); break;
2253 switch ((e_flags & 0x00FF0000) >> 16) {
2254 case 0x81: printf(", 3900"); break;
2255 case 0x82: printf(", 4010"); break;
2256 case 0x83: printf(", 4100"); break;
2257 case 0x85: printf(", 4650"); break;
2258 case 0x87: printf(", 4120"); break;
2259 case 0x88: printf(", 4111"); break;
2260 case 0x8a: printf(", sb1"); break;
2261 case 0x8b: printf(", octeon"); break;
2262 case 0x8c: printf(", xlr"); break;
2263 case 0x91: printf(", 5400"); break;
2264 case 0x98: printf(", 5500"); break;
2265 case 0x99: printf(", 9000"); break;
2266 case 0xa0: printf(", loongson-2e"); break;
2267 case 0xa1: printf(", loongson-2f"); break;
2270 switch ((e_flags & 0x0000F000) >> 12) {
2271 case 1: printf(", o32"); break;
2272 case 2: printf(", o64"); break;
2273 case 3: printf(", eabi32"); break;
2274 case 4: printf(", eabi64"); break;
2277 edesc = mips_eflags_desc;
2281 edesc = powerpc_eflags_desc;
2284 case EM_SPARC32PLUS:
2286 switch ((e_flags & EF_SPARCV9_MM)) {
2287 case EF_SPARCV9_TSO: printf(", tso"); break;
2288 case EF_SPARCV9_PSO: printf(", pso"); break;
2289 case EF_SPARCV9_MM: printf(", rmo"); break;
2292 edesc = sparc_eflags_desc;
2298 if (edesc != NULL) {
2299 while (edesc->desc != NULL) {
2300 if (e_flags & edesc->flag)
2301 printf(", %s", edesc->desc);
2308 dump_phdr(struct readelf *re)
2310 const char *rawfile;
2315 #define PH_HDR "Type", "Offset", "VirtAddr", "PhysAddr", "FileSiz", \
2316 "MemSiz", "Flg", "Align"
2317 #define PH_CT phdr_type(re->ehdr.e_machine, phdr.p_type), \
2318 (uintmax_t)phdr.p_offset, (uintmax_t)phdr.p_vaddr, \
2319 (uintmax_t)phdr.p_paddr, (uintmax_t)phdr.p_filesz, \
2320 (uintmax_t)phdr.p_memsz, \
2321 phdr.p_flags & PF_R ? 'R' : ' ', \
2322 phdr.p_flags & PF_W ? 'W' : ' ', \
2323 phdr.p_flags & PF_X ? 'E' : ' ', \
2324 (uintmax_t)phdr.p_align
2326 if (elf_getphnum(re->elf, &phnum) == 0) {
2327 warnx("elf_getphnum failed: %s", elf_errmsg(-1));
2331 printf("\nThere are no program headers in this file.\n");
2335 printf("\nElf file type is %s", elf_type(re->ehdr.e_type));
2336 printf("\nEntry point 0x%jx\n", (uintmax_t)re->ehdr.e_entry);
2337 printf("There are %ju program headers, starting at offset %ju\n",
2338 (uintmax_t)phnum, (uintmax_t)re->ehdr.e_phoff);
2340 /* Dump program headers. */
2341 printf("\nProgram Headers:\n");
2342 if (re->ec == ELFCLASS32)
2343 printf(" %-15s%-9s%-11s%-11s%-8s%-8s%-4s%s\n", PH_HDR);
2344 else if (re->options & RE_WW)
2345 printf(" %-15s%-9s%-19s%-19s%-9s%-9s%-4s%s\n", PH_HDR);
2347 printf(" %-15s%-19s%-19s%s\n %-19s%-20s"
2348 "%-7s%s\n", PH_HDR);
2349 for (i = 0; (size_t) i < phnum; i++) {
2350 if (gelf_getphdr(re->elf, i, &phdr) != &phdr) {
2351 warnx("gelf_getphdr failed: %s", elf_errmsg(-1));
2354 /* TODO: Add arch-specific segment type dump. */
2355 if (re->ec == ELFCLASS32)
2356 printf(" %-14.14s 0x%6.6jx 0x%8.8jx 0x%8.8jx "
2357 "0x%5.5jx 0x%5.5jx %c%c%c %#jx\n", PH_CT);
2358 else if (re->options & RE_WW)
2359 printf(" %-14.14s 0x%6.6jx 0x%16.16jx 0x%16.16jx "
2360 "0x%6.6jx 0x%6.6jx %c%c%c %#jx\n", PH_CT);
2362 printf(" %-14.14s 0x%16.16jx 0x%16.16jx 0x%16.16jx\n"
2363 " 0x%16.16jx 0x%16.16jx %c%c%c"
2365 if (phdr.p_type == PT_INTERP) {
2366 if ((rawfile = elf_rawfile(re->elf, &size)) == NULL) {
2367 warnx("elf_rawfile failed: %s", elf_errmsg(-1));
2370 if (phdr.p_offset >= size) {
2371 warnx("invalid program header offset");
2374 printf(" [Requesting program interpreter: %s]\n",
2375 rawfile + phdr.p_offset);
2379 /* Dump section to segment mapping. */
2382 printf("\n Section to Segment mapping:\n");
2383 printf(" Segment Sections...\n");
2384 for (i = 0; (size_t)i < phnum; i++) {
2385 if (gelf_getphdr(re->elf, i, &phdr) != &phdr) {
2386 warnx("gelf_getphdr failed: %s", elf_errmsg(-1));
2389 printf(" %2.2d ", i);
2390 /* skip NULL section. */
2391 for (j = 1; (size_t)j < re->shnum; j++) {
2392 if (re->sl[j].off < phdr.p_offset)
2394 if (re->sl[j].off + re->sl[j].sz >
2395 phdr.p_offset + phdr.p_filesz &&
2396 re->sl[j].type != SHT_NOBITS)
2398 if (re->sl[j].addr < phdr.p_vaddr ||
2399 re->sl[j].addr + re->sl[j].sz >
2400 phdr.p_vaddr + phdr.p_memsz)
2402 if (phdr.p_type == PT_TLS &&
2403 (re->sl[j].flags & SHF_TLS) == 0)
2405 printf("%s ", re->sl[j].name);
2414 section_flags(struct readelf *re, struct section *s)
2417 static char buf[BUF_SZ];
2421 nb = re->ec == ELFCLASS32 ? 8 : 16;
2422 if (re->options & RE_T) {
2423 snprintf(buf, BUF_SZ, "[%*.*jx]: ", nb, nb,
2424 (uintmax_t)s->flags);
2427 for (i = 0; section_flag[i].ln != NULL; i++) {
2428 if ((s->flags & section_flag[i].value) == 0)
2430 if (re->options & RE_T) {
2431 snprintf(&buf[p], BUF_SZ - p, "%s, ",
2432 section_flag[i].ln);
2433 p += strlen(section_flag[i].ln) + 2;
2435 buf[p++] = section_flag[i].sn;
2437 if (re->options & RE_T && p > nb + 4)
2445 dump_shdr(struct readelf *re)
2450 #define S_HDR "[Nr] Name", "Type", "Addr", "Off", "Size", "ES", \
2451 "Flg", "Lk", "Inf", "Al"
2452 #define S_HDRL "[Nr] Name", "Type", "Address", "Offset", "Size", \
2453 "EntSize", "Flags", "Link", "Info", "Align"
2454 #define ST_HDR "[Nr] Name", "Type", "Addr", "Off", "Size", "ES", \
2455 "Lk", "Inf", "Al", "Flags"
2456 #define ST_HDRL "[Nr] Name", "Type", "Address", "Offset", "Link", \
2457 "Size", "EntSize", "Info", "Align", "Flags"
2458 #define S_CT i, s->name, section_type(re->ehdr.e_machine, s->type), \
2459 (uintmax_t)s->addr, (uintmax_t)s->off, (uintmax_t)s->sz,\
2460 (uintmax_t)s->entsize, section_flags(re, s), \
2461 s->link, s->info, (uintmax_t)s->align
2462 #define ST_CT i, s->name, section_type(re->ehdr.e_machine, s->type), \
2463 (uintmax_t)s->addr, (uintmax_t)s->off, (uintmax_t)s->sz,\
2464 (uintmax_t)s->entsize, s->link, s->info, \
2465 (uintmax_t)s->align, section_flags(re, s)
2466 #define ST_CTL i, s->name, section_type(re->ehdr.e_machine, s->type), \
2467 (uintmax_t)s->addr, (uintmax_t)s->off, s->link, \
2468 (uintmax_t)s->sz, (uintmax_t)s->entsize, s->info, \
2469 (uintmax_t)s->align, section_flags(re, s)
2471 if (re->shnum == 0) {
2472 printf("\nThere are no sections in this file.\n");
2475 printf("There are %ju section headers, starting at offset 0x%jx:\n",
2476 (uintmax_t)re->shnum, (uintmax_t)re->ehdr.e_shoff);
2477 printf("\nSection Headers:\n");
2478 if (re->ec == ELFCLASS32) {
2479 if (re->options & RE_T)
2480 printf(" %s\n %-16s%-9s%-7s%-7s%-5s%-3s%-4s%s\n"
2483 printf(" %-23s%-16s%-9s%-7s%-7s%-3s%-4s%-3s%-4s%s\n",
2485 } else if (re->options & RE_WW) {
2486 if (re->options & RE_T)
2487 printf(" %s\n %-16s%-17s%-7s%-7s%-5s%-3s%-4s%s\n"
2490 printf(" %-23s%-16s%-17s%-7s%-7s%-3s%-4s%-3s%-4s%s\n",
2493 if (re->options & RE_T)
2494 printf(" %s\n %-18s%-17s%-18s%s\n %-18s"
2495 "%-17s%-18s%s\n%12s\n", ST_HDRL);
2497 printf(" %-23s%-17s%-18s%s\n %-18s%-17s%-7s%"
2498 "-6s%-6s%s\n", S_HDRL);
2500 for (i = 0; (size_t)i < re->shnum; i++) {
2502 if (re->ec == ELFCLASS32) {
2503 if (re->options & RE_T)
2504 printf(" [%2d] %s\n %-15.15s %8.8jx"
2505 " %6.6jx %6.6jx %2.2jx %2u %3u %2ju\n"
2508 printf(" [%2d] %-17.17s %-15.15s %8.8jx"
2509 " %6.6jx %6.6jx %2.2jx %3s %2u %3u %2ju\n",
2511 } else if (re->options & RE_WW) {
2512 if (re->options & RE_T)
2513 printf(" [%2d] %s\n %-15.15s %16.16jx"
2514 " %6.6jx %6.6jx %2.2jx %2u %3u %2ju\n"
2517 printf(" [%2d] %-17.17s %-15.15s %16.16jx"
2518 " %6.6jx %6.6jx %2.2jx %3s %2u %3u %2ju\n",
2521 if (re->options & RE_T)
2522 printf(" [%2d] %s\n %-15.15s %16.16jx"
2523 " %16.16jx %u\n %16.16jx %16.16jx"
2524 " %-16u %ju\n %s\n", ST_CTL);
2526 printf(" [%2d] %-17.17s %-15.15s %16.16jx"
2527 " %8.8jx\n %16.16jx %16.16jx "
2528 "%3s %2u %3u %ju\n", S_CT);
2531 if ((re->options & RE_T) == 0)
2532 printf("Key to Flags:\n W (write), A (alloc),"
2533 " X (execute), M (merge), S (strings)\n"
2534 " I (info), L (link order), G (group), x (unknown)\n"
2535 " O (extra OS processing required)"
2536 " o (OS specific), p (processor specific)\n");
2548 * Return number of entries in the given section. We'd prefer ent_count be a
2549 * size_t *, but libelf APIs already use int for section indices.
2552 get_ent_count(struct section *s, int *ent_count)
2554 if (s->entsize == 0) {
2555 warnx("section %s has entry size 0", s->name);
2557 } else if (s->sz / s->entsize > INT_MAX) {
2558 warnx("section %s has invalid section count", s->name);
2561 *ent_count = (int)(s->sz / s->entsize);
2566 dump_dynamic(struct readelf *re)
2571 int elferr, i, is_dynamic, j, jmax, nentries;
2575 for (i = 0; (size_t)i < re->shnum; i++) {
2577 if (s->type != SHT_DYNAMIC)
2580 if ((d = elf_getdata(s->scn, NULL)) == NULL) {
2581 elferr = elf_errno();
2583 warnx("elf_getdata failed: %s", elf_errmsg(-1));
2591 /* Determine the actual number of table entries. */
2593 if (!get_ent_count(s, &jmax))
2595 for (j = 0; j < jmax; j++) {
2596 if (gelf_getdyn(d, j, &dyn) != &dyn) {
2597 warnx("gelf_getdyn failed: %s",
2602 if (dyn.d_tag == DT_NULL)
2606 printf("\nDynamic section at offset 0x%jx", (uintmax_t)s->off);
2607 printf(" contains %u entries:\n", nentries);
2609 if (re->ec == ELFCLASS32)
2610 printf("%5s%12s%28s\n", "Tag", "Type", "Name/Value");
2612 printf("%5s%20s%28s\n", "Tag", "Type", "Name/Value");
2614 for (j = 0; j < nentries; j++) {
2615 if (gelf_getdyn(d, j, &dyn) != &dyn)
2617 /* Dump dynamic entry type. */
2618 if (re->ec == ELFCLASS32)
2619 printf(" 0x%8.8jx", (uintmax_t)dyn.d_tag);
2621 printf(" 0x%16.16jx", (uintmax_t)dyn.d_tag);
2622 printf(" %-20s", dt_type(re->ehdr.e_machine,
2624 /* Dump dynamic entry value. */
2625 dump_dyn_val(re, &dyn, s->link);
2630 printf("\nThere is no dynamic section in this file.\n");
2634 timestamp(time_t ti)
2640 snprintf(ts, sizeof(ts), "%04d-%02d-%02dT%02d:%02d:%02d",
2641 t->tm_year + 1900, t->tm_mon + 1, t->tm_mday, t->tm_hour,
2642 t->tm_min, t->tm_sec);
2648 dyn_str(struct readelf *re, uint32_t stab, uint64_t d_val)
2652 if (stab == SHN_UNDEF)
2654 else if ((name = elf_strptr(re->elf, stab, d_val)) == NULL) {
2655 (void) elf_errno(); /* clear error */
2663 dump_arch_dyn_val(struct readelf *re, GElf_Dyn *dyn)
2665 switch (re->ehdr.e_machine) {
2667 case EM_MIPS_RS3_LE:
2668 switch (dyn->d_tag) {
2669 case DT_MIPS_RLD_VERSION:
2670 case DT_MIPS_LOCAL_GOTNO:
2671 case DT_MIPS_CONFLICTNO:
2672 case DT_MIPS_LIBLISTNO:
2673 case DT_MIPS_SYMTABNO:
2674 case DT_MIPS_UNREFEXTNO:
2675 case DT_MIPS_GOTSYM:
2676 case DT_MIPS_HIPAGENO:
2677 case DT_MIPS_DELTA_CLASS_NO:
2678 case DT_MIPS_DELTA_INSTANCE_NO:
2679 case DT_MIPS_DELTA_RELOC_NO:
2680 case DT_MIPS_DELTA_SYM_NO:
2681 case DT_MIPS_DELTA_CLASSSYM_NO:
2682 case DT_MIPS_LOCALPAGE_GOTIDX:
2683 case DT_MIPS_LOCAL_GOTIDX:
2684 case DT_MIPS_HIDDEN_GOTIDX:
2685 case DT_MIPS_PROTECTED_GOTIDX:
2686 printf(" %ju\n", (uintmax_t) dyn->d_un.d_val);
2688 case DT_MIPS_ICHECKSUM:
2690 case DT_MIPS_BASE_ADDRESS:
2691 case DT_MIPS_CONFLICT:
2692 case DT_MIPS_LIBLIST:
2693 case DT_MIPS_RLD_MAP:
2694 case DT_MIPS_DELTA_CLASS:
2695 case DT_MIPS_DELTA_INSTANCE:
2696 case DT_MIPS_DELTA_RELOC:
2697 case DT_MIPS_DELTA_SYM:
2698 case DT_MIPS_DELTA_CLASSSYM:
2699 case DT_MIPS_CXX_FLAGS:
2700 case DT_MIPS_PIXIE_INIT:
2701 case DT_MIPS_SYMBOL_LIB:
2702 case DT_MIPS_OPTIONS:
2703 case DT_MIPS_INTERFACE:
2704 case DT_MIPS_DYNSTR_ALIGN:
2705 case DT_MIPS_INTERFACE_SIZE:
2706 case DT_MIPS_RLD_TEXT_RESOLVE_ADDR:
2707 case DT_MIPS_COMPACT_SIZE:
2708 case DT_MIPS_GP_VALUE:
2709 case DT_MIPS_AUX_DYNAMIC:
2710 case DT_MIPS_PLTGOT:
2711 case DT_MIPS_RLD_OBJ_UPDATE:
2713 printf(" 0x%jx\n", (uintmax_t) dyn->d_un.d_val);
2715 case DT_MIPS_IVERSION:
2716 case DT_MIPS_PERF_SUFFIX:
2717 case DT_MIPS_TIME_STAMP:
2718 printf(" %s\n", timestamp(dyn->d_un.d_val));
2732 dump_flags(struct flag_desc *desc, uint64_t val)
2734 struct flag_desc *fd;
2736 for (fd = desc; fd->flag != 0; fd++) {
2737 if (val & fd->flag) {
2739 printf(" %s", fd->desc);
2743 printf(" unknown (0x%jx)", (uintmax_t)val);
2746 static struct flag_desc dt_flags[] = {
2747 { DF_ORIGIN, "ORIGIN" },
2748 { DF_SYMBOLIC, "SYMBOLIC" },
2749 { DF_TEXTREL, "TEXTREL" },
2750 { DF_BIND_NOW, "BIND_NOW" },
2751 { DF_STATIC_TLS, "STATIC_TLS" },
2755 static struct flag_desc dt_flags_1[] = {
2756 { DF_1_BIND_NOW, "NOW" },
2757 { DF_1_GLOBAL, "GLOBAL" },
2759 { DF_1_NODELETE, "NODELETE" },
2760 { DF_1_LOADFLTR, "LOADFLTR" },
2761 { 0x20, "INITFIRST" },
2762 { DF_1_NOOPEN, "NOOPEN" },
2763 { DF_1_ORIGIN, "ORIGIN" },
2764 { 0x100, "DIRECT" },
2765 { DF_1_INTERPOSE, "INTERPOSE" },
2766 { DF_1_NODEFLIB, "NODEFLIB" },
2767 { 0x1000, "NODUMP" },
2768 { 0x2000, "CONFALT" },
2769 { 0x4000, "ENDFILTEE" },
2770 { 0x8000, "DISPRELDNE" },
2771 { 0x10000, "DISPRELPND" },
2772 { 0x20000, "NODIRECT" },
2773 { 0x40000, "IGNMULDEF" },
2774 { 0x80000, "NOKSYMS" },
2775 { 0x100000, "NOHDR" },
2776 { 0x200000, "EDITED" },
2777 { 0x400000, "NORELOC" },
2778 { 0x800000, "SYMINTPOSE" },
2779 { 0x1000000, "GLOBAUDIT" },
2784 dump_dyn_val(struct readelf *re, GElf_Dyn *dyn, uint32_t stab)
2788 if (dyn->d_tag >= DT_LOPROC && dyn->d_tag <= DT_HIPROC &&
2789 dyn->d_tag != DT_AUXILIARY && dyn->d_tag != DT_FILTER) {
2790 dump_arch_dyn_val(re, dyn);
2794 /* These entry values are index into the string table. */
2796 if (dyn->d_tag == DT_AUXILIARY || dyn->d_tag == DT_FILTER ||
2797 dyn->d_tag == DT_NEEDED || dyn->d_tag == DT_SONAME ||
2798 dyn->d_tag == DT_RPATH || dyn->d_tag == DT_RUNPATH)
2799 name = dyn_str(re, stab, dyn->d_un.d_val);
2801 switch(dyn->d_tag) {
2819 case DT_GNU_LIBLIST:
2820 case DT_GNU_CONFLICT:
2821 printf(" 0x%jx\n", (uintmax_t) dyn->d_un.d_val);
2830 case DT_PREINIT_ARRAYSZ:
2831 case DT_INIT_ARRAYSZ:
2832 case DT_FINI_ARRAYSZ:
2833 case DT_GNU_CONFLICTSZ:
2834 case DT_GNU_LIBLISTSZ:
2835 printf(" %ju (bytes)\n", (uintmax_t) dyn->d_un.d_val);
2841 printf(" %ju\n", (uintmax_t) dyn->d_un.d_val);
2844 printf(" Auxiliary library: [%s]\n", name);
2847 printf(" Filter library: [%s]\n", name);
2850 printf(" Shared library: [%s]\n", name);
2853 printf(" Library soname: [%s]\n", name);
2856 printf(" Library rpath: [%s]\n", name);
2859 printf(" Library runpath: [%s]\n", name);
2862 printf(" %s\n", dt_type(re->ehdr.e_machine, dyn->d_un.d_val));
2864 case DT_GNU_PRELINKED:
2865 printf(" %s\n", timestamp(dyn->d_un.d_val));
2868 dump_flags(dt_flags, dyn->d_un.d_val);
2871 dump_flags(dt_flags_1, dyn->d_un.d_val);
2879 dump_rel(struct readelf *re, struct section *s, Elf_Data *d)
2882 const char *symname;
2886 uint8_t type2, type3;
2888 if (s->link >= re->shnum)
2891 #define REL_HDR "r_offset", "r_info", "r_type", "st_value", "st_name"
2892 #define REL_CT32 (uintmax_t)r.r_offset, (uintmax_t)r.r_info, \
2893 elftc_reloc_type_str(re->ehdr.e_machine, \
2894 ELF32_R_TYPE(r.r_info)), (uintmax_t)symval, symname
2895 #define REL_CT64 (uintmax_t)r.r_offset, (uintmax_t)r.r_info, \
2896 elftc_reloc_type_str(re->ehdr.e_machine, type), \
2897 (uintmax_t)symval, symname
2899 printf("\nRelocation section (%s):\n", s->name);
2900 if (re->ec == ELFCLASS32)
2901 printf("%-8s %-8s %-19s %-8s %s\n", REL_HDR);
2903 if (re->options & RE_WW)
2904 printf("%-16s %-16s %-24s %-16s %s\n", REL_HDR);
2906 printf("%-12s %-12s %-19s %-16s %s\n", REL_HDR);
2908 assert(d->d_size == s->sz);
2909 if (!get_ent_count(s, &len))
2911 for (i = 0; i < len; i++) {
2912 if (gelf_getrel(d, i, &r) != &r) {
2913 warnx("gelf_getrel failed: %s", elf_errmsg(-1));
2916 symname = get_symbol_name(re, s->link, GELF_R_SYM(r.r_info));
2917 symval = get_symbol_value(re, s->link, GELF_R_SYM(r.r_info));
2918 if (re->ec == ELFCLASS32) {
2919 r.r_info = ELF32_R_INFO(ELF64_R_SYM(r.r_info),
2920 ELF64_R_TYPE(r.r_info));
2921 printf("%8.8jx %8.8jx %-19.19s %8.8jx %s\n", REL_CT32);
2923 type = ELF64_R_TYPE(r.r_info);
2924 if (re->ehdr.e_machine == EM_MIPS) {
2925 type2 = (type >> 8) & 0xFF;
2926 type3 = (type >> 16) & 0xFF;
2931 if (re->options & RE_WW)
2932 printf("%16.16jx %16.16jx %-24.24s"
2933 " %16.16jx %s\n", REL_CT64);
2935 printf("%12.12jx %12.12jx %-19.19s"
2936 " %16.16jx %s\n", REL_CT64);
2937 if (re->ehdr.e_machine == EM_MIPS) {
2938 if (re->options & RE_WW) {
2939 printf("%32s: %s\n", "Type2",
2940 elftc_reloc_type_str(EM_MIPS,
2942 printf("%32s: %s\n", "Type3",
2943 elftc_reloc_type_str(EM_MIPS,
2946 printf("%24s: %s\n", "Type2",
2947 elftc_reloc_type_str(EM_MIPS,
2949 printf("%24s: %s\n", "Type3",
2950 elftc_reloc_type_str(EM_MIPS,
2962 dump_rela(struct readelf *re, struct section *s, Elf_Data *d)
2965 const char *symname;
2969 uint8_t type2, type3;
2971 if (s->link >= re->shnum)
2974 #define RELA_HDR "r_offset", "r_info", "r_type", "st_value", \
2975 "st_name + r_addend"
2976 #define RELA_CT32 (uintmax_t)r.r_offset, (uintmax_t)r.r_info, \
2977 elftc_reloc_type_str(re->ehdr.e_machine, \
2978 ELF32_R_TYPE(r.r_info)), (uintmax_t)symval, symname
2979 #define RELA_CT64 (uintmax_t)r.r_offset, (uintmax_t)r.r_info, \
2980 elftc_reloc_type_str(re->ehdr.e_machine, type), \
2981 (uintmax_t)symval, symname
2983 printf("\nRelocation section with addend (%s):\n", s->name);
2984 if (re->ec == ELFCLASS32)
2985 printf("%-8s %-8s %-19s %-8s %s\n", RELA_HDR);
2987 if (re->options & RE_WW)
2988 printf("%-16s %-16s %-24s %-16s %s\n", RELA_HDR);
2990 printf("%-12s %-12s %-19s %-16s %s\n", RELA_HDR);
2992 assert(d->d_size == s->sz);
2993 if (!get_ent_count(s, &len))
2995 for (i = 0; i < len; i++) {
2996 if (gelf_getrela(d, i, &r) != &r) {
2997 warnx("gelf_getrel failed: %s", elf_errmsg(-1));
3000 symname = get_symbol_name(re, s->link, GELF_R_SYM(r.r_info));
3001 symval = get_symbol_value(re, s->link, GELF_R_SYM(r.r_info));
3002 if (re->ec == ELFCLASS32) {
3003 r.r_info = ELF32_R_INFO(ELF64_R_SYM(r.r_info),
3004 ELF64_R_TYPE(r.r_info));
3005 printf("%8.8jx %8.8jx %-19.19s %8.8jx %s", RELA_CT32);
3006 printf(" + %x\n", (uint32_t) r.r_addend);
3008 type = ELF64_R_TYPE(r.r_info);
3009 if (re->ehdr.e_machine == EM_MIPS) {
3010 type2 = (type >> 8) & 0xFF;
3011 type3 = (type >> 16) & 0xFF;
3016 if (re->options & RE_WW)
3017 printf("%16.16jx %16.16jx %-24.24s"
3018 " %16.16jx %s", RELA_CT64);
3020 printf("%12.12jx %12.12jx %-19.19s"
3021 " %16.16jx %s", RELA_CT64);
3022 printf(" + %jx\n", (uintmax_t) r.r_addend);
3023 if (re->ehdr.e_machine == EM_MIPS) {
3024 if (re->options & RE_WW) {
3025 printf("%32s: %s\n", "Type2",
3026 elftc_reloc_type_str(EM_MIPS,
3028 printf("%32s: %s\n", "Type3",
3029 elftc_reloc_type_str(EM_MIPS,
3032 printf("%24s: %s\n", "Type2",
3033 elftc_reloc_type_str(EM_MIPS,
3035 printf("%24s: %s\n", "Type3",
3036 elftc_reloc_type_str(EM_MIPS,
3048 dump_reloc(struct readelf *re)
3054 for (i = 0; (size_t)i < re->shnum; i++) {
3056 if (s->type == SHT_REL || s->type == SHT_RELA) {
3058 if ((d = elf_getdata(s->scn, NULL)) == NULL) {
3059 elferr = elf_errno();
3061 warnx("elf_getdata failed: %s",
3062 elf_errmsg(elferr));
3065 if (s->type == SHT_REL)
3068 dump_rela(re, s, d);
3074 dump_symtab(struct readelf *re, int i)
3085 if (s->link >= re->shnum)
3089 if ((d = elf_getdata(s->scn, NULL)) == NULL) {
3090 elferr = elf_errno();
3092 warnx("elf_getdata failed: %s", elf_errmsg(elferr));
3097 if (!get_ent_count(s, &len))
3099 printf("Symbol table (%s)", s->name);
3100 printf(" contains %d entries:\n", len);
3101 printf("%7s%9s%14s%5s%8s%6s%9s%5s\n", "Num:", "Value", "Size", "Type",
3102 "Bind", "Vis", "Ndx", "Name");
3104 for (j = 0; j < len; j++) {
3105 if (gelf_getsym(d, j, &sym) != &sym) {
3106 warnx("gelf_getsym failed: %s", elf_errmsg(-1));
3110 printf(" %16.16jx", (uintmax_t) sym.st_value);
3111 printf(" %5ju", (uintmax_t) sym.st_size);
3112 printf(" %-7s", st_type(re->ehdr.e_machine,
3113 re->ehdr.e_ident[EI_OSABI], GELF_ST_TYPE(sym.st_info)));
3114 printf(" %-6s", st_bind(GELF_ST_BIND(sym.st_info)));
3115 printf(" %-8s", st_vis(GELF_ST_VISIBILITY(sym.st_other)));
3116 printf(" %3s", st_shndx(sym.st_shndx));
3117 if ((name = elf_strptr(re->elf, stab, sym.st_name)) != NULL)
3118 printf(" %s", name);
3119 /* Append symbol version string for SHT_DYNSYM symbol table. */
3120 if (s->type == SHT_DYNSYM && re->ver != NULL &&
3121 re->vs != NULL && re->vs[j] > 1) {
3122 vs = re->vs[j] & VERSYM_VERSION;
3123 if (vs >= re->ver_sz || re->ver[vs].name == NULL) {
3124 warnx("invalid versym version index %u", vs);
3127 if (re->vs[j] & VERSYM_HIDDEN || re->ver[vs].type == 0)
3128 printf("@%s (%d)", re->ver[vs].name, vs);
3130 printf("@@%s (%d)", re->ver[vs].name, vs);
3138 dump_symtabs(struct readelf *re)
3147 * If -D is specified, only dump the symbol table specified by
3148 * the DT_SYMTAB entry in the .dynamic section.
3151 if (re->options & RE_DD) {
3153 for (i = 0; (size_t)i < re->shnum; i++)
3154 if (re->sl[i].type == SHT_DYNAMIC) {
3161 if ((d = elf_getdata(s->scn, NULL)) == NULL) {
3162 elferr = elf_errno();
3164 warnx("elf_getdata failed: %s", elf_errmsg(-1));
3169 if (!get_ent_count(s, &len))
3172 for (i = 0; i < len; i++) {
3173 if (gelf_getdyn(d, i, &dyn) != &dyn) {
3174 warnx("gelf_getdyn failed: %s", elf_errmsg(-1));
3177 if (dyn.d_tag == DT_SYMTAB) {
3178 dyn_off = dyn.d_un.d_val;
3184 /* Find and dump symbol tables. */
3185 for (i = 0; (size_t)i < re->shnum; i++) {
3187 if (s->type == SHT_SYMTAB || s->type == SHT_DYNSYM) {
3188 if (re->options & RE_DD) {
3189 if (dyn_off == s->addr) {
3200 dump_svr4_hash(struct section *s)
3204 uint32_t nbucket, nchain;
3205 uint32_t *bucket, *chain;
3206 uint32_t *bl, *c, maxl, total;
3209 /* Read and parse the content of .hash section. */
3211 if ((d = elf_getdata(s->scn, NULL)) == NULL) {
3212 elferr = elf_errno();
3214 warnx("elf_getdata failed: %s", elf_errmsg(elferr));
3217 if (d->d_size < 2 * sizeof(uint32_t)) {
3218 warnx(".hash section too small");
3224 if (nbucket <= 0 || nchain <= 0) {
3225 warnx("Malformed .hash section");
3228 if (d->d_size != (nbucket + nchain + 2) * sizeof(uint32_t)) {
3229 warnx("Malformed .hash section");
3233 chain = &buf[2 + nbucket];
3236 if ((bl = calloc(nbucket, sizeof(*bl))) == NULL)
3237 errx(EXIT_FAILURE, "calloc failed");
3238 for (i = 0; (uint32_t)i < nbucket; i++)
3239 for (j = bucket[i]; j > 0 && (uint32_t)j < nchain; j = chain[j])
3242 if ((c = calloc(maxl + 1, sizeof(*c))) == NULL)
3243 errx(EXIT_FAILURE, "calloc failed");
3244 for (i = 0; (uint32_t)i < nbucket; i++)
3246 printf("\nHistogram for bucket list length (total of %u buckets):\n",
3248 printf(" Length\tNumber\t\t%% of total\tCoverage\n");
3250 for (i = 0; (uint32_t)i <= maxl; i++) {
3252 printf("%7u\t%-10u\t(%5.1f%%)\t%5.1f%%\n", i, c[i],
3253 c[i] * 100.0 / nbucket, total * 100.0 / (nchain - 1));
3260 dump_svr4_hash64(struct readelf *re, struct section *s)
3264 uint64_t nbucket, nchain;
3265 uint64_t *bucket, *chain;
3266 uint64_t *bl, *c, maxl, total;
3270 * ALPHA uses 64-bit hash entries. Since libelf assumes that
3271 * .hash section contains only 32-bit entry, an explicit
3272 * gelf_xlatetom is needed here.
3275 if ((d = elf_rawdata(s->scn, NULL)) == NULL) {
3276 elferr = elf_errno();
3278 warnx("elf_rawdata failed: %s",
3279 elf_errmsg(elferr));
3282 d->d_type = ELF_T_XWORD;
3283 memcpy(&dst, d, sizeof(Elf_Data));
3284 if (gelf_xlatetom(re->elf, &dst, d,
3285 re->ehdr.e_ident[EI_DATA]) != &dst) {
3286 warnx("gelf_xlatetom failed: %s", elf_errmsg(-1));
3289 if (dst.d_size < 2 * sizeof(uint64_t)) {
3290 warnx(".hash section too small");
3296 if (nbucket <= 0 || nchain <= 0) {
3297 warnx("Malformed .hash section");
3300 if (d->d_size != (nbucket + nchain + 2) * sizeof(uint32_t)) {
3301 warnx("Malformed .hash section");
3305 chain = &buf[2 + nbucket];
3308 if ((bl = calloc(nbucket, sizeof(*bl))) == NULL)
3309 errx(EXIT_FAILURE, "calloc failed");
3310 for (i = 0; (uint32_t)i < nbucket; i++)
3311 for (j = bucket[i]; j > 0 && (uint32_t)j < nchain; j = chain[j])
3314 if ((c = calloc(maxl + 1, sizeof(*c))) == NULL)
3315 errx(EXIT_FAILURE, "calloc failed");
3316 for (i = 0; (uint64_t)i < nbucket; i++)
3318 printf("Histogram for bucket list length (total of %ju buckets):\n",
3319 (uintmax_t)nbucket);
3320 printf(" Length\tNumber\t\t%% of total\tCoverage\n");
3322 for (i = 0; (uint64_t)i <= maxl; i++) {
3324 printf("%7u\t%-10ju\t(%5.1f%%)\t%5.1f%%\n", i, (uintmax_t)c[i],
3325 c[i] * 100.0 / nbucket, total * 100.0 / (nchain - 1));
3332 dump_gnu_hash(struct readelf *re, struct section *s)
3337 uint32_t *bucket, *chain;
3338 uint32_t nbucket, nchain, symndx, maskwords;
3339 uint32_t *bl, *c, maxl, total;
3340 int elferr, dynsymcount, i, j;
3343 if ((d = elf_getdata(s->scn, NULL)) == NULL) {
3344 elferr = elf_errno();
3346 warnx("elf_getdata failed: %s",
3347 elf_errmsg(elferr));
3350 if (d->d_size < 4 * sizeof(uint32_t)) {
3351 warnx(".gnu.hash section too small");
3359 if (s->link >= re->shnum)
3361 ds = &re->sl[s->link];
3362 if (!get_ent_count(ds, &dynsymcount))
3364 if (symndx >= (uint32_t)dynsymcount) {
3365 warnx("Malformed .gnu.hash section (symndx out of range)");
3368 nchain = dynsymcount - symndx;
3369 if (d->d_size != 4 * sizeof(uint32_t) + maskwords *
3370 (re->ec == ELFCLASS32 ? sizeof(uint32_t) : sizeof(uint64_t)) +
3371 (nbucket + nchain) * sizeof(uint32_t)) {
3372 warnx("Malformed .gnu.hash section");
3375 bucket = buf + (re->ec == ELFCLASS32 ? maskwords : maskwords * 2);
3376 chain = bucket + nbucket;
3379 if ((bl = calloc(nbucket, sizeof(*bl))) == NULL)
3380 errx(EXIT_FAILURE, "calloc failed");
3381 for (i = 0; (uint32_t)i < nbucket; i++)
3382 for (j = bucket[i]; j > 0 && (uint32_t)j - symndx < nchain;
3386 if (chain[j - symndx] & 1)
3389 if ((c = calloc(maxl + 1, sizeof(*c))) == NULL)
3390 errx(EXIT_FAILURE, "calloc failed");
3391 for (i = 0; (uint32_t)i < nbucket; i++)
3393 printf("Histogram for bucket list length (total of %u buckets):\n",
3395 printf(" Length\tNumber\t\t%% of total\tCoverage\n");
3397 for (i = 0; (uint32_t)i <= maxl; i++) {
3399 printf("%7u\t%-10u\t(%5.1f%%)\t%5.1f%%\n", i, c[i],
3400 c[i] * 100.0 / nbucket, total * 100.0 / (nchain - 1));
3407 dump_hash(struct readelf *re)
3412 for (i = 0; (size_t) i < re->shnum; i++) {
3414 if (s->type == SHT_HASH || s->type == SHT_GNU_HASH) {
3415 if (s->type == SHT_GNU_HASH)
3416 dump_gnu_hash(re, s);
3417 else if (re->ehdr.e_machine == EM_ALPHA &&
3419 dump_svr4_hash64(re, s);
3427 dump_notes(struct readelf *re)
3430 const char *rawfile;
3433 size_t filesize, phnum;
3436 if (re->ehdr.e_type == ET_CORE) {
3438 * Search program headers in the core file for
3441 if (elf_getphnum(re->elf, &phnum) == 0) {
3442 warnx("elf_getphnum failed: %s", elf_errmsg(-1));
3447 if ((rawfile = elf_rawfile(re->elf, &filesize)) == NULL) {
3448 warnx("elf_rawfile failed: %s", elf_errmsg(-1));
3451 for (i = 0; (size_t) i < phnum; i++) {
3452 if (gelf_getphdr(re->elf, i, &phdr) != &phdr) {
3453 warnx("gelf_getphdr failed: %s",
3457 if (phdr.p_type == PT_NOTE) {
3458 if (phdr.p_offset >= filesize ||
3459 phdr.p_filesz > filesize - phdr.p_offset) {
3460 warnx("invalid PHDR offset");
3463 dump_notes_content(re, rawfile + phdr.p_offset,
3464 phdr.p_filesz, phdr.p_offset);
3470 * For objects other than core files, Search for
3471 * SHT_NOTE sections.
3473 for (i = 0; (size_t) i < re->shnum; i++) {
3475 if (s->type == SHT_NOTE) {
3477 if ((d = elf_getdata(s->scn, NULL)) == NULL) {
3478 elferr = elf_errno();
3480 warnx("elf_getdata failed: %s",
3481 elf_errmsg(elferr));
3484 dump_notes_content(re, d->d_buf, d->d_size,
3491 static struct flag_desc note_feature_ctl_flags[] = {
3492 { NT_FREEBSD_FCTL_ASLR_DISABLE, "ASLR_DISABLE" },
3497 dump_notes_data(const char *name, uint32_t type, const char *buf, size_t sz)
3500 const uint32_t *ubuf;
3502 /* Note data is at least 4-byte aligned. */
3503 if (((uintptr_t)buf & 3) != 0) {
3504 warnx("bad note data alignment");
3507 ubuf = (const uint32_t *)(const void *)buf;
3509 if (strcmp(name, "FreeBSD") == 0) {
3511 case NT_FREEBSD_ABI_TAG:
3514 printf(" ABI tag: %u\n", ubuf[0]);
3516 /* NT_FREEBSD_NOINIT_TAG carries no data, treat as unknown. */
3517 case NT_FREEBSD_ARCH_TAG:
3520 printf(" Arch tag: %x\n", ubuf[0]);
3522 case NT_FREEBSD_FEATURE_CTL:
3525 printf(" Features:");
3526 dump_flags(note_feature_ctl_flags, ubuf[0]);
3532 printf(" description data:");
3533 for (i = 0; i < sz; i++)
3534 printf(" %02x", (unsigned char)buf[i]);
3539 dump_notes_content(struct readelf *re, const char *buf, size_t sz, off_t off)
3542 const char *end, *name;
3544 printf("\nNotes at offset %#010jx with length %#010jx:\n",
3545 (uintmax_t) off, (uintmax_t) sz);
3546 printf(" %-13s %-15s %s\n", "Owner", "Data size", "Description");
3549 if (buf + sizeof(*note) > end) {
3550 warnx("invalid note header");
3553 note = (Elf_Note *)(uintptr_t) buf;
3554 buf += sizeof(Elf_Note);
3556 buf += roundup2(note->n_namesz, 4);
3558 * The name field is required to be nul-terminated, and
3559 * n_namesz includes the terminating nul in observed
3560 * implementations (contrary to the ELF-64 spec). A special
3561 * case is needed for cores generated by some older Linux
3562 * versions, which write a note named "CORE" without a nul
3563 * terminator and n_namesz = 4.
3565 if (note->n_namesz == 0)
3567 else if (note->n_namesz == 4 && strncmp(name, "CORE", 4) == 0)
3569 else if (strnlen(name, note->n_namesz) >= note->n_namesz)
3571 printf(" %-13s %#010jx", name, (uintmax_t) note->n_descsz);
3572 printf(" %s\n", note_type(name, re->ehdr.e_type,
3574 dump_notes_data(name, note->n_type, buf, note->n_descsz);
3575 buf += roundup2(note->n_descsz, 4);
3580 * Symbol versioning sections are the same for 32bit and 64bit
3583 #define Elf_Verdef Elf32_Verdef
3584 #define Elf_Verdaux Elf32_Verdaux
3585 #define Elf_Verneed Elf32_Verneed
3586 #define Elf_Vernaux Elf32_Vernaux
3588 #define SAVE_VERSION_NAME(x, n, t) \
3590 while (x >= re->ver_sz) { \
3591 nv = realloc(re->ver, \
3592 sizeof(*re->ver) * re->ver_sz * 2); \
3594 warn("realloc failed"); \
3599 for (i = re->ver_sz; i < re->ver_sz * 2; i++) { \
3600 re->ver[i].name = NULL; \
3601 re->ver[i].type = 0; \
3606 re->ver[x].name = n; \
3607 re->ver[x].type = t; \
3613 dump_verdef(struct readelf *re, int dump)
3620 uint8_t *buf, *end, *buf2;
3624 if ((s = re->vd_s) == NULL)
3626 if (s->link >= re->shnum)
3629 if (re->ver == NULL) {
3631 if ((re->ver = calloc(re->ver_sz, sizeof(*re->ver))) ==
3633 warn("calloc failed");
3636 re->ver[0].name = "*local*";
3637 re->ver[1].name = "*global*";
3641 printf("\nVersion definition section (%s):\n", s->name);
3643 if ((d = elf_getdata(s->scn, NULL)) == NULL) {
3644 elferr = elf_errno();
3646 warnx("elf_getdata failed: %s", elf_errmsg(elferr));
3653 end = buf + d->d_size;
3654 while (buf + sizeof(Elf_Verdef) <= end) {
3655 vd = (Elf_Verdef *) (uintptr_t) buf;
3657 printf(" 0x%4.4lx", (unsigned long)
3658 (buf - (uint8_t *)d->d_buf));
3659 printf(" vd_version: %u vd_flags: %d"
3660 " vd_ndx: %u vd_cnt: %u", vd->vd_version,
3661 vd->vd_flags, vd->vd_ndx, vd->vd_cnt);
3663 buf2 = buf + vd->vd_aux;
3665 while (buf2 + sizeof(Elf_Verdaux) <= end && j < vd->vd_cnt) {
3666 vda = (Elf_Verdaux *) (uintptr_t) buf2;
3667 name = get_string(re, s->link, vda->vda_name);
3670 printf(" vda_name: %s\n", name);
3671 SAVE_VERSION_NAME((int)vd->vd_ndx, name, 1);
3673 printf(" 0x%4.4lx parent: %s\n",
3674 (unsigned long) (buf2 -
3675 (uint8_t *)d->d_buf), name);
3676 if (vda->vda_next == 0)
3678 buf2 += vda->vda_next;
3681 if (vd->vd_next == 0)
3688 dump_verneed(struct readelf *re, int dump)
3695 uint8_t *buf, *end, *buf2;
3699 if ((s = re->vn_s) == NULL)
3701 if (s->link >= re->shnum)
3704 if (re->ver == NULL) {
3706 if ((re->ver = calloc(re->ver_sz, sizeof(*re->ver))) ==
3708 warn("calloc failed");
3711 re->ver[0].name = "*local*";
3712 re->ver[1].name = "*global*";
3716 printf("\nVersion needed section (%s):\n", s->name);
3718 if ((d = elf_getdata(s->scn, NULL)) == NULL) {
3719 elferr = elf_errno();
3721 warnx("elf_getdata failed: %s", elf_errmsg(elferr));
3728 end = buf + d->d_size;
3729 while (buf + sizeof(Elf_Verneed) <= end) {
3730 vn = (Elf_Verneed *) (uintptr_t) buf;
3732 printf(" 0x%4.4lx", (unsigned long)
3733 (buf - (uint8_t *)d->d_buf));
3734 printf(" vn_version: %u vn_file: %s vn_cnt: %u\n",
3736 get_string(re, s->link, vn->vn_file),
3739 buf2 = buf + vn->vn_aux;
3741 while (buf2 + sizeof(Elf_Vernaux) <= end && j < vn->vn_cnt) {
3742 vna = (Elf32_Vernaux *) (uintptr_t) buf2;
3744 printf(" 0x%4.4lx", (unsigned long)
3745 (buf2 - (uint8_t *)d->d_buf));
3746 name = get_string(re, s->link, vna->vna_name);
3748 printf(" vna_name: %s vna_flags: %u"
3749 " vna_other: %u\n", name,
3750 vna->vna_flags, vna->vna_other);
3751 SAVE_VERSION_NAME((int)vna->vna_other, name, 0);
3752 if (vna->vna_next == 0)
3754 buf2 += vna->vna_next;
3757 if (vn->vn_next == 0)
3764 dump_versym(struct readelf *re)
3769 if (re->vs_s == NULL || re->ver == NULL || re->vs == NULL)
3771 printf("\nVersion symbol section (%s):\n", re->vs_s->name);
3772 for (i = 0; i < re->vs_sz; i++) {
3776 printf(" %03x:", i);
3778 vs = re->vs[i] & VERSYM_VERSION;
3779 if (vs >= re->ver_sz || re->ver[vs].name == NULL) {
3780 warnx("invalid versym version index %u", re->vs[i]);
3783 if (re->vs[i] & VERSYM_HIDDEN)
3784 printf(" %3xh %-12s ", vs,
3785 re->ver[re->vs[i] & VERSYM_VERSION].name);
3787 printf(" %3x %-12s ", vs, re->ver[re->vs[i]].name);
3793 dump_ver(struct readelf *re)
3796 if (re->vs_s && re->ver && re->vs)
3801 dump_verneed(re, 1);
3805 search_ver(struct readelf *re)
3811 for (i = 0; (size_t) i < re->shnum; i++) {
3813 if (s->type == SHT_SUNW_versym)
3815 if (s->type == SHT_SUNW_verneed)
3817 if (s->type == SHT_SUNW_verdef)
3823 dump_verneed(re, 0);
3824 if (re->vs_s && re->ver != NULL) {
3826 if ((d = elf_getdata(re->vs_s->scn, NULL)) == NULL) {
3827 elferr = elf_errno();
3829 warnx("elf_getdata failed: %s",
3830 elf_errmsg(elferr));
3836 re->vs_sz = d->d_size / sizeof(Elf32_Half);
3844 #undef SAVE_VERSION_NAME
3847 * Elf32_Lib and Elf64_Lib are identical.
3849 #define Elf_Lib Elf32_Lib
3852 dump_liblist(struct readelf *re)
3860 int i, j, k, elferr, first, len;
3862 for (i = 0; (size_t) i < re->shnum; i++) {
3864 if (s->type != SHT_GNU_LIBLIST)
3866 if (s->link >= re->shnum)
3869 if ((d = elf_getdata(s->scn, NULL)) == NULL) {
3870 elferr = elf_errno();
3872 warnx("elf_getdata failed: %s",
3873 elf_errmsg(elferr));
3879 if (!get_ent_count(s, &len))
3881 printf("\nLibrary list section '%s' ", s->name);
3882 printf("contains %d entries:\n", len);
3883 printf("%12s%24s%18s%10s%6s\n", "Library", "Time Stamp",
3884 "Checksum", "Version", "Flags");
3885 for (j = 0; (uint64_t) j < s->sz / s->entsize; j++) {
3888 get_string(re, s->link, lib->l_name));
3889 ti = lib->l_time_stamp;
3891 snprintf(tbuf, sizeof(tbuf), "%04d-%02d-%02dT%02d:%02d"
3892 ":%2d", t->tm_year + 1900, t->tm_mon + 1,
3893 t->tm_mday, t->tm_hour, t->tm_min, t->tm_sec);
3894 printf("%-19.19s ", tbuf);
3895 printf("0x%08x ", lib->l_checksum);
3896 printf("%-7d %#x", lib->l_version, lib->l_flags);
3897 if (lib->l_flags != 0) {
3900 for (k = 0; l_flag[k].name != NULL; k++) {
3901 if ((l_flag[k].value & lib->l_flags) ==
3908 printf("%s", l_flag[k].name);
3921 dump_section_groups(struct readelf *re)
3924 const char *symname;
3930 for (i = 0; (size_t) i < re->shnum; i++) {
3932 if (s->type != SHT_GROUP)
3934 if (s->link >= re->shnum)
3937 if ((d = elf_getdata(s->scn, NULL)) == NULL) {
3938 elferr = elf_errno();
3940 warnx("elf_getdata failed: %s",
3941 elf_errmsg(elferr));
3949 /* We only support COMDAT section. */
3951 #define GRP_COMDAT 0x1
3953 if ((*w++ & GRP_COMDAT) == 0)
3956 if (s->entsize == 0)
3959 symname = get_symbol_name(re, s->link, s->info);
3960 n = s->sz / s->entsize;
3964 printf("\nCOMDAT group section [%5d] `%s' [%s] contains %ju"
3965 " sections:\n", i, s->name, symname, (uintmax_t)n);
3966 printf(" %-10.10s %s\n", "[Index]", "Name");
3967 for (j = 0; (size_t) j < n; j++, w++) {
3968 if (*w >= re->shnum) {
3969 warnx("invalid section index: %u", *w);
3972 printf(" [%5u] %s\n", *w, re->sl[*w].name);
3978 dump_unknown_tag(uint64_t tag, uint8_t *p, uint8_t *pe)
3983 * According to ARM EABI: For tags > 32, even numbered tags have
3984 * a ULEB128 param and odd numbered ones have NUL-terminated
3985 * string param. This rule probably also applies for tags <= 32
3986 * if the object arch is not ARM.
3989 printf(" Tag_unknown_%ju: ", (uintmax_t) tag);
3992 printf("%s\n", (char *) p);
3993 p += strlen((char *) p) + 1;
3995 val = _decode_uleb128(&p, pe);
3996 printf("%ju\n", (uintmax_t) val);
4003 dump_compatibility_tag(uint8_t *p, uint8_t *pe)
4007 val = _decode_uleb128(&p, pe);
4008 printf("flag = %ju, vendor = %s\n", (uintmax_t) val, p);
4009 p += strlen((char *) p) + 1;
4015 dump_arm_attributes(struct readelf *re, uint8_t *p, uint8_t *pe)
4024 tag = _decode_uleb128(&p, pe);
4026 for (i = 0; i < sizeof(aeabi_tags) / sizeof(aeabi_tags[0]);
4028 if (tag == aeabi_tags[i].tag) {
4030 printf(" %s: ", aeabi_tags[i].s_tag);
4031 if (aeabi_tags[i].get_desc) {
4033 val = _decode_uleb128(&p, pe);
4035 aeabi_tags[i].get_desc(val));
4039 if (tag < aeabi_tags[i].tag)
4043 p = dump_unknown_tag(tag, p, pe);
4050 case 4: /* Tag_CPU_raw_name */
4051 case 5: /* Tag_CPU_name */
4052 case 67: /* Tag_conformance */
4053 printf("%s\n", (char *) p);
4054 p += strlen((char *) p) + 1;
4056 case 32: /* Tag_compatibility */
4057 p = dump_compatibility_tag(p, pe);
4059 case 64: /* Tag_nodefaults */
4060 /* ignored, written as 0. */
4061 (void) _decode_uleb128(&p, pe);
4064 case 65: /* Tag_also_compatible_with */
4065 val = _decode_uleb128(&p, pe);
4066 /* Must be Tag_CPU_arch */
4068 printf("unknown\n");
4071 val = _decode_uleb128(&p, pe);
4072 printf("%s\n", aeabi_cpu_arch(val));
4073 /* Skip NUL terminator. */
4083 #ifndef Tag_GNU_MIPS_ABI_FP
4084 #define Tag_GNU_MIPS_ABI_FP 4
4088 dump_mips_attributes(struct readelf *re, uint8_t *p, uint8_t *pe)
4095 tag = _decode_uleb128(&p, pe);
4097 case Tag_GNU_MIPS_ABI_FP:
4098 val = _decode_uleb128(&p, pe);
4099 printf(" Tag_GNU_MIPS_ABI_FP: %s\n", mips_abi_fp(val));
4101 case 32: /* Tag_compatibility */
4102 p = dump_compatibility_tag(p, pe);
4105 p = dump_unknown_tag(tag, p, pe);
4111 #ifndef Tag_GNU_Power_ABI_FP
4112 #define Tag_GNU_Power_ABI_FP 4
4115 #ifndef Tag_GNU_Power_ABI_Vector
4116 #define Tag_GNU_Power_ABI_Vector 8
4120 dump_ppc_attributes(uint8_t *p, uint8_t *pe)
4125 tag = _decode_uleb128(&p, pe);
4127 case Tag_GNU_Power_ABI_FP:
4128 val = _decode_uleb128(&p, pe);
4129 printf(" Tag_GNU_Power_ABI_FP: %s\n", ppc_abi_fp(val));
4131 case Tag_GNU_Power_ABI_Vector:
4132 val = _decode_uleb128(&p, pe);
4133 printf(" Tag_GNU_Power_ABI_Vector: %s\n",
4134 ppc_abi_vector(val));
4136 case 32: /* Tag_compatibility */
4137 p = dump_compatibility_tag(p, pe);
4140 p = dump_unknown_tag(tag, p, pe);
4147 dump_attributes(struct readelf *re)
4151 uint8_t *p, *pe, *sp;
4152 size_t len, seclen, nlen, sublen;
4156 for (i = 0; (size_t) i < re->shnum; i++) {
4158 if (s->type != SHT_GNU_ATTRIBUTES &&
4159 (re->ehdr.e_machine != EM_ARM || s->type != SHT_LOPROC + 3))
4162 if ((d = elf_rawdata(s->scn, NULL)) == NULL) {
4163 elferr = elf_errno();
4165 warnx("elf_rawdata failed: %s",
4166 elf_errmsg(elferr));
4174 printf("Unknown Attribute Section Format: %c\n",
4178 len = d->d_size - 1;
4182 warnx("truncated attribute section length");
4185 seclen = re->dw_decode(&p, 4);
4187 warnx("invalid attribute section length");
4191 nlen = strlen((char *) p) + 1;
4192 if (nlen + 4 > seclen) {
4193 warnx("invalid attribute section name");
4196 printf("Attribute Section: %s\n", (char *) p);
4199 while (seclen > 0) {
4202 sublen = re->dw_decode(&p, 4);
4203 if (sublen > seclen) {
4204 warnx("invalid attribute sub-section"
4209 printf("%s", top_tag(tag));
4210 if (tag == 2 || tag == 3) {
4213 val = _decode_uleb128(&p, pe);
4216 printf(" %ju", (uintmax_t) val);
4220 if (re->ehdr.e_machine == EM_ARM &&
4221 s->type == SHT_LOPROC + 3)
4222 dump_arm_attributes(re, p, sp + sublen);
4223 else if (re->ehdr.e_machine == EM_MIPS ||
4224 re->ehdr.e_machine == EM_MIPS_RS3_LE)
4225 dump_mips_attributes(re, p,
4227 else if (re->ehdr.e_machine == EM_PPC)
4228 dump_ppc_attributes(p, sp + sublen);
4236 dump_mips_specific_info(struct readelf *re)
4242 for (i = 0; (size_t) i < re->shnum; i++) {
4244 if (s->name != NULL && (!strcmp(s->name, ".MIPS.options") ||
4245 (s->type == SHT_MIPS_OPTIONS))) {
4246 dump_mips_options(re, s);
4250 if (s->name != NULL && (!strcmp(s->name, ".MIPS.abiflags") ||
4251 (s->type == SHT_MIPS_ABIFLAGS)))
4252 dump_mips_abiflags(re, s);
4255 * Dump .reginfo if present (although it will be ignored by an OS if a
4256 * .MIPS.options section is present, according to SGI mips64 spec).
4258 for (i = 0; (size_t) i < re->shnum; i++) {
4260 if (s->name != NULL && (!strcmp(s->name, ".reginfo") ||
4261 (s->type == SHT_MIPS_REGINFO)))
4262 dump_mips_reginfo(re, s);
4267 dump_mips_abiflags(struct readelf *re, struct section *s)
4272 uint32_t isa_ext, ases, flags1, flags2;
4274 uint8_t isa_level, isa_rev, gpr_size, cpr1_size, cpr2_size, fp_abi;
4276 if ((d = elf_rawdata(s->scn, NULL)) == NULL) {
4277 elferr = elf_errno();
4279 warnx("elf_rawdata failed: %s",
4280 elf_errmsg(elferr));
4283 if (d->d_size != 24) {
4284 warnx("invalid MIPS abiflags section size");
4289 version = re->dw_decode(&p, 2);
4290 printf("MIPS ABI Flags Version: %u", version);
4292 printf(" (unknown)\n\n");
4297 isa_level = re->dw_decode(&p, 1);
4298 isa_rev = re->dw_decode(&p, 1);
4299 gpr_size = re->dw_decode(&p, 1);
4300 cpr1_size = re->dw_decode(&p, 1);
4301 cpr2_size = re->dw_decode(&p, 1);
4302 fp_abi = re->dw_decode(&p, 1);
4303 isa_ext = re->dw_decode(&p, 4);
4304 ases = re->dw_decode(&p, 4);
4305 flags1 = re->dw_decode(&p, 4);
4306 flags2 = re->dw_decode(&p, 4);
4310 printf("MIPS%u\n", isa_level);
4312 printf("MIPS%ur%u\n", isa_level, isa_rev);
4313 printf("GPR size: %d\n", get_mips_register_size(gpr_size));
4314 printf("CPR1 size: %d\n", get_mips_register_size(cpr1_size));
4315 printf("CPR2 size: %d\n", get_mips_register_size(cpr2_size));
4319 printf("Soft float");
4322 printf("%u", fp_abi);
4325 printf("\nISA Extension: %u\n", isa_ext);
4326 printf("ASEs: %u\n", ases);
4327 printf("FLAGS 1: %08x\n", flags1);
4328 printf("FLAGS 2: %08x\n", flags2);
4332 get_mips_register_size(uint8_t flag)
4343 dump_mips_reginfo(struct readelf *re, struct section *s)
4349 if ((d = elf_rawdata(s->scn, NULL)) == NULL) {
4350 elferr = elf_errno();
4352 warnx("elf_rawdata failed: %s",
4353 elf_errmsg(elferr));
4358 if (!get_ent_count(s, &len))
4361 printf("\nSection '%s' contains %d entries:\n", s->name, len);
4362 dump_mips_odk_reginfo(re, d->d_buf, d->d_size);
4366 dump_mips_options(struct readelf *re, struct section *s)
4376 if ((d = elf_rawdata(s->scn, NULL)) == NULL) {
4377 elferr = elf_errno();
4379 warnx("elf_rawdata failed: %s",
4380 elf_errmsg(elferr));
4386 printf("\nSection %s contains:\n", s->name);
4391 warnx("Truncated MIPS option header");
4394 kind = re->dw_decode(&p, 1);
4395 size = re->dw_decode(&p, 1);
4396 sndx = re->dw_decode(&p, 2);
4397 info = re->dw_decode(&p, 4);
4398 if (size < 8 || size - 8 > pe - p) {
4399 warnx("Malformed MIPS option header");
4405 dump_mips_odk_reginfo(re, p, size);
4407 case ODK_EXCEPTIONS:
4408 printf(" EXCEPTIONS FPU_MIN: %#x\n",
4409 info & OEX_FPU_MIN);
4410 printf("%11.11s FPU_MAX: %#x\n", "",
4411 info & OEX_FPU_MAX);
4412 dump_mips_option_flags("", mips_exceptions_option,
4416 printf(" %-10.10s section: %ju\n", "OPAD",
4418 dump_mips_option_flags("", mips_pad_option, info);
4421 dump_mips_option_flags("HWPATCH", mips_hwpatch_option,
4425 dump_mips_option_flags("HWAND", mips_hwa_option, info);
4428 dump_mips_option_flags("HWOR", mips_hwo_option, info);
4431 printf(" %-10.10s %#jx\n", "FILL", (uintmax_t) info);
4434 printf(" %-10.10s\n", "TAGS");
4437 printf(" %-10.10s GP group number: %#x\n", "GP_GROUP",
4440 printf(" %-10.10s GP group is "
4441 "self-contained\n", "");
4444 printf(" %-10.10s default GP group number: %#x\n",
4445 "IDENT", info & 0xFFFF);
4447 printf(" %-10.10s default GP group is "
4448 "self-contained\n", "");
4451 printf(" %-10.10s\n", "PAGESIZE");
4461 dump_mips_option_flags(const char *name, struct mips_option *opt, uint64_t info)
4466 for (; opt->desc != NULL; opt++) {
4467 if (info & opt->flag) {
4468 printf(" %-10.10s %s\n", first ? name : "",
4476 dump_mips_odk_reginfo(struct readelf *re, uint8_t *p, size_t sz)
4478 uint32_t ri_gprmask;
4479 uint32_t ri_cprmask[4];
4480 uint64_t ri_gp_value;
4486 ri_gprmask = re->dw_decode(&p, 4);
4487 /* Skip ri_pad padding field for mips64. */
4488 if (re->ec == ELFCLASS64)
4489 re->dw_decode(&p, 4);
4490 for (i = 0; i < 4; i++)
4491 ri_cprmask[i] = re->dw_decode(&p, 4);
4492 if (re->ec == ELFCLASS32)
4493 ri_gp_value = re->dw_decode(&p, 4);
4495 ri_gp_value = re->dw_decode(&p, 8);
4496 printf(" %s ", option_kind(ODK_REGINFO));
4497 printf("ri_gprmask: 0x%08jx\n", (uintmax_t) ri_gprmask);
4498 for (i = 0; i < 4; i++)
4499 printf("%11.11s ri_cprmask[%d]: 0x%08jx\n", "", i,
4500 (uintmax_t) ri_cprmask[i]);
4501 printf("%12.12s", "");
4502 printf("ri_gp_value: %#jx\n", (uintmax_t) ri_gp_value);
4507 dump_arch_specific_info(struct readelf *re)
4511 dump_attributes(re);
4513 switch (re->ehdr.e_machine) {
4515 case EM_MIPS_RS3_LE:
4516 dump_mips_specific_info(re);
4523 dwarf_regname(struct readelf *re, unsigned int num)
4528 if ((rn = dwarf_reg(re->ehdr.e_machine, num)) != NULL)
4531 snprintf(rx, sizeof(rx), "r%u", num);
4537 dump_dwarf_line(struct readelf *re)
4542 Dwarf_Half tag, version, pointer_size;
4543 Dwarf_Unsigned offset, endoff, length, hdrlen, dirndx, mtime, fsize;
4544 Dwarf_Small minlen, defstmt, lrange, opbase, oplen;
4547 uint64_t address, file, line, column, isa, opsize, udelta;
4551 int i, is_stmt, dwarf_size, elferr, ret;
4553 printf("\nDump of debug contents of section .debug_line:\n");
4556 for (i = 0; (size_t) i < re->shnum; i++) {
4558 if (s->name != NULL && !strcmp(s->name, ".debug_line"))
4561 if ((size_t) i >= re->shnum)
4565 if ((d = elf_getdata(s->scn, NULL)) == NULL) {
4566 elferr = elf_errno();
4568 warnx("elf_getdata failed: %s", elf_errmsg(-1));
4574 while ((ret = dwarf_next_cu_header(re->dbg, NULL, NULL, NULL, NULL,
4575 NULL, &de)) == DW_DLV_OK) {
4577 while (dwarf_siblingof(re->dbg, die, &die, &de) == DW_DLV_OK) {
4578 if (dwarf_tag(die, &tag, &de) != DW_DLV_OK) {
4579 warnx("dwarf_tag failed: %s",
4583 /* XXX: What about DW_TAG_partial_unit? */
4584 if (tag == DW_TAG_compile_unit)
4588 warnx("could not find DW_TAG_compile_unit die");
4591 if (dwarf_attrval_unsigned(die, DW_AT_stmt_list, &offset,
4595 length = re->dw_read(d, &offset, 4);
4596 if (length == 0xffffffff) {
4598 length = re->dw_read(d, &offset, 8);
4602 if (length > d->d_size - offset) {
4603 warnx("invalid .dwarf_line section");
4607 endoff = offset + length;
4608 pe = (uint8_t *) d->d_buf + endoff;
4609 version = re->dw_read(d, &offset, 2);
4610 hdrlen = re->dw_read(d, &offset, dwarf_size);
4611 minlen = re->dw_read(d, &offset, 1);
4612 defstmt = re->dw_read(d, &offset, 1);
4613 lbase = re->dw_read(d, &offset, 1);
4614 lrange = re->dw_read(d, &offset, 1);
4615 opbase = re->dw_read(d, &offset, 1);
4618 printf(" Length:\t\t\t%ju\n", (uintmax_t) length);
4619 printf(" DWARF version:\t\t%u\n", version);
4620 printf(" Prologue Length:\t\t%ju\n", (uintmax_t) hdrlen);
4621 printf(" Minimum Instruction Length:\t%u\n", minlen);
4622 printf(" Initial value of 'is_stmt':\t%u\n", defstmt);
4623 printf(" Line Base:\t\t\t%d\n", lbase);
4624 printf(" Line Range:\t\t\t%u\n", lrange);
4625 printf(" Opcode Base:\t\t\t%u\n", opbase);
4626 (void) dwarf_get_address_size(re->dbg, &pointer_size, &de);
4627 printf(" (Pointer size:\t\t%u)\n", pointer_size);
4630 printf(" Opcodes:\n");
4631 for (i = 1; i < opbase; i++) {
4632 oplen = re->dw_read(d, &offset, 1);
4633 printf(" Opcode %d has %u args\n", i, oplen);
4637 printf(" The Directory Table:\n");
4638 p = (uint8_t *) d->d_buf + offset;
4639 while (*p != '\0') {
4640 printf(" %s\n", (char *) p);
4641 p += strlen((char *) p) + 1;
4646 printf(" The File Name Table:\n");
4647 printf(" Entry\tDir\tTime\tSize\tName\n");
4649 while (*p != '\0') {
4652 p += strlen(pn) + 1;
4653 dirndx = _decode_uleb128(&p, pe);
4654 mtime = _decode_uleb128(&p, pe);
4655 fsize = _decode_uleb128(&p, pe);
4656 printf(" %d\t%ju\t%ju\t%ju\t%s\n", i,
4657 (uintmax_t) dirndx, (uintmax_t) mtime,
4658 (uintmax_t) fsize, pn);
4661 #define RESET_REGISTERS \
4667 is_stmt = defstmt; \
4670 #define LINE(x) (lbase + (((x) - opbase) % lrange))
4671 #define ADDRESS(x) ((((x) - opbase) / lrange) * minlen)
4675 printf(" Line Number Statements:\n");
4686 opsize = _decode_uleb128(&p, pe);
4687 printf(" Extended opcode %u: ", *p);
4689 case DW_LNE_end_sequence:
4692 printf("End of Sequence\n");
4694 case DW_LNE_set_address:
4696 address = re->dw_decode(&p,
4698 printf("set Address to %#jx\n",
4699 (uintmax_t) address);
4701 case DW_LNE_define_file:
4704 p += strlen(pn) + 1;
4705 dirndx = _decode_uleb128(&p, pe);
4706 mtime = _decode_uleb128(&p, pe);
4707 fsize = _decode_uleb128(&p, pe);
4708 printf("define new file: %s\n", pn);
4711 /* Unrecognized extened opcodes. */
4713 printf("unknown opcode\n");
4715 } else if (*p > 0 && *p < opbase) {
4723 case DW_LNS_advance_pc:
4724 udelta = _decode_uleb128(&p, pe) *
4727 printf(" Advance PC by %ju to %#jx\n",
4729 (uintmax_t) address);
4731 case DW_LNS_advance_line:
4732 sdelta = _decode_sleb128(&p, pe);
4734 printf(" Advance Line by %jd to %ju\n",
4738 case DW_LNS_set_file:
4739 file = _decode_uleb128(&p, pe);
4740 printf(" Set File to %ju\n",
4743 case DW_LNS_set_column:
4744 column = _decode_uleb128(&p, pe);
4745 printf(" Set Column to %ju\n",
4746 (uintmax_t) column);
4748 case DW_LNS_negate_stmt:
4750 printf(" Set is_stmt to %d\n", is_stmt);
4752 case DW_LNS_set_basic_block:
4753 printf(" Set basic block flag\n");
4755 case DW_LNS_const_add_pc:
4756 address += ADDRESS(255);
4757 printf(" Advance PC by constant %ju"
4759 (uintmax_t) ADDRESS(255),
4760 (uintmax_t) address);
4762 case DW_LNS_fixed_advance_pc:
4763 udelta = re->dw_decode(&p, 2);
4765 printf(" Advance PC by fixed value "
4768 (uintmax_t) address);
4770 case DW_LNS_set_prologue_end:
4771 printf(" Set prologue end flag\n");
4773 case DW_LNS_set_epilogue_begin:
4774 printf(" Set epilogue begin flag\n");
4776 case DW_LNS_set_isa:
4777 isa = _decode_uleb128(&p, pe);
4778 printf(" Set isa to %ju\n",
4782 /* Unrecognized extended opcodes. */
4783 printf(" Unknown extended opcode %u\n",
4793 address += ADDRESS(*p);
4794 printf(" Special opcode %u: advance Address "
4795 "by %ju to %#jx and Line by %jd to %ju\n",
4796 *p - opbase, (uintmax_t) ADDRESS(*p),
4797 (uintmax_t) address, (intmax_t) LINE(*p),
4805 if (ret == DW_DLV_ERROR)
4806 warnx("dwarf_next_cu_header: %s", dwarf_errmsg(de));
4808 #undef RESET_REGISTERS
4814 dump_dwarf_line_decoded(struct readelf *re)
4817 Dwarf_Line *linebuf, ln;
4818 Dwarf_Addr lineaddr;
4819 Dwarf_Signed linecount, srccount;
4820 Dwarf_Unsigned lineno, fn;
4822 const char *dir, *file;
4826 printf("Decoded dump of debug contents of section .debug_line:\n\n");
4827 while ((ret = dwarf_next_cu_header(re->dbg, NULL, NULL, NULL, NULL,
4828 NULL, &de)) == DW_DLV_OK) {
4829 if (dwarf_siblingof(re->dbg, NULL, &die, &de) != DW_DLV_OK)
4831 if (dwarf_attrval_string(die, DW_AT_name, &file, &de) !=
4834 if (dwarf_attrval_string(die, DW_AT_comp_dir, &dir, &de) !=
4838 if (dir && file && file[0] != '/')
4843 printf("%-37s %11s %s\n", "Filename", "Line Number",
4844 "Starting Address");
4845 if (dwarf_srclines(die, &linebuf, &linecount, &de) != DW_DLV_OK)
4847 if (dwarf_srcfiles(die, &srcfiles, &srccount, &de) != DW_DLV_OK)
4849 for (i = 0; i < linecount; i++) {
4851 if (dwarf_line_srcfileno(ln, &fn, &de) != DW_DLV_OK)
4853 if (dwarf_lineno(ln, &lineno, &de) != DW_DLV_OK)
4855 if (dwarf_lineaddr(ln, &lineaddr, &de) != DW_DLV_OK)
4857 printf("%-37s %11ju %#18jx\n",
4858 basename(srcfiles[fn - 1]), (uintmax_t) lineno,
4859 (uintmax_t) lineaddr);
4866 dump_dwarf_die(struct readelf *re, Dwarf_Die die, int level)
4868 Dwarf_Attribute *attr_list;
4870 Dwarf_Off dieoff, cuoff, culen, attroff;
4871 Dwarf_Unsigned ate, lang, v_udata, v_sig;
4872 Dwarf_Signed attr_count, v_sdata;
4875 Dwarf_Half tag, attr, form;
4876 Dwarf_Block *v_block;
4877 Dwarf_Bool v_bool, is_info;
4881 const char *tag_str, *attr_str, *ate_str, *lang_str;
4882 char unk_tag[32], unk_attr[32];
4887 if (dwarf_dieoffset(die, &dieoff, &de) != DW_DLV_OK) {
4888 warnx("dwarf_dieoffset failed: %s", dwarf_errmsg(de));
4892 printf(" <%d><%jx>: ", level, (uintmax_t) dieoff);
4894 if (dwarf_die_CU_offset_range(die, &cuoff, &culen, &de) != DW_DLV_OK) {
4895 warnx("dwarf_die_CU_offset_range failed: %s",
4900 abc = dwarf_die_abbrev_code(die);
4901 if (dwarf_tag(die, &tag, &de) != DW_DLV_OK) {
4902 warnx("dwarf_tag failed: %s", dwarf_errmsg(de));
4905 if (dwarf_get_TAG_name(tag, &tag_str) != DW_DLV_OK) {
4906 snprintf(unk_tag, sizeof(unk_tag), "[Unknown Tag: %#x]", tag);
4910 printf("Abbrev Number: %d (%s)\n", abc, tag_str);
4912 if ((ret = dwarf_attrlist(die, &attr_list, &attr_count, &de)) !=
4914 if (ret == DW_DLV_ERROR)
4915 warnx("dwarf_attrlist failed: %s", dwarf_errmsg(de));
4919 for (i = 0; i < attr_count; i++) {
4920 if (dwarf_whatform(attr_list[i], &form, &de) != DW_DLV_OK) {
4921 warnx("dwarf_whatform failed: %s", dwarf_errmsg(de));
4924 if (dwarf_whatattr(attr_list[i], &attr, &de) != DW_DLV_OK) {
4925 warnx("dwarf_whatattr failed: %s", dwarf_errmsg(de));
4928 if (dwarf_get_AT_name(attr, &attr_str) != DW_DLV_OK) {
4929 snprintf(unk_attr, sizeof(unk_attr),
4930 "[Unknown AT: %#x]", attr);
4931 attr_str = unk_attr;
4933 if (dwarf_attroffset(attr_list[i], &attroff, &de) !=
4935 warnx("dwarf_attroffset failed: %s", dwarf_errmsg(de));
4938 printf(" <%jx> %-18s: ", (uintmax_t) attroff, attr_str);
4940 case DW_FORM_ref_addr:
4941 case DW_FORM_sec_offset:
4942 if (dwarf_global_formref(attr_list[i], &v_off, &de) !=
4944 warnx("dwarf_global_formref failed: %s",
4948 if (form == DW_FORM_ref_addr)
4949 printf("<0x%jx>", (uintmax_t) v_off);
4951 printf("0x%jx", (uintmax_t) v_off);
4958 case DW_FORM_ref_udata:
4959 if (dwarf_formref(attr_list[i], &v_off, &de) !=
4961 warnx("dwarf_formref failed: %s",
4966 printf("<0x%jx>", (uintmax_t) v_off);
4970 if (dwarf_formaddr(attr_list[i], &v_addr, &de) !=
4972 warnx("dwarf_formaddr failed: %s",
4976 printf("%#jx", (uintmax_t) v_addr);
4984 if (dwarf_formudata(attr_list[i], &v_udata, &de) !=
4986 warnx("dwarf_formudata failed: %s",
4990 if (attr == DW_AT_high_pc)
4991 printf("0x%jx", (uintmax_t) v_udata);
4993 printf("%ju", (uintmax_t) v_udata);
4997 if (dwarf_formsdata(attr_list[i], &v_sdata, &de) !=
4999 warnx("dwarf_formudata failed: %s",
5003 printf("%jd", (intmax_t) v_sdata);
5007 if (dwarf_formflag(attr_list[i], &v_bool, &de) !=
5009 warnx("dwarf_formflag failed: %s",
5013 printf("%jd", (intmax_t) v_bool);
5016 case DW_FORM_flag_present:
5020 case DW_FORM_string:
5022 if (dwarf_formstring(attr_list[i], &v_str, &de) !=
5024 warnx("dwarf_formstring failed: %s",
5028 if (form == DW_FORM_string)
5029 printf("%s", v_str);
5031 printf("(indirect string) %s", v_str);
5035 case DW_FORM_block1:
5036 case DW_FORM_block2:
5037 case DW_FORM_block4:
5038 if (dwarf_formblock(attr_list[i], &v_block, &de) !=
5040 warnx("dwarf_formblock failed: %s",
5044 printf("%ju byte block:", (uintmax_t) v_block->bl_len);
5045 b = v_block->bl_data;
5046 for (j = 0; (Dwarf_Unsigned) j < v_block->bl_len; j++)
5047 printf(" %x", b[j]);
5049 dump_dwarf_block(re, v_block->bl_data, v_block->bl_len);
5053 case DW_FORM_exprloc:
5054 if (dwarf_formexprloc(attr_list[i], &v_udata, &v_expr,
5055 &de) != DW_DLV_OK) {
5056 warnx("dwarf_formexprloc failed: %s",
5060 printf("%ju byte block:", (uintmax_t) v_udata);
5062 for (j = 0; (Dwarf_Unsigned) j < v_udata; j++)
5063 printf(" %x", b[j]);
5065 dump_dwarf_block(re, v_expr, v_udata);
5069 case DW_FORM_ref_sig8:
5070 if (dwarf_formsig8(attr_list[i], &v_sig8, &de) !=
5072 warnx("dwarf_formsig8 failed: %s",
5076 p = (uint8_t *)(uintptr_t) &v_sig8.signature[0];
5077 v_sig = re->dw_decode(&p, 8);
5078 printf("signature: 0x%jx", (uintmax_t) v_sig);
5081 case DW_AT_encoding:
5082 if (dwarf_attrval_unsigned(die, attr, &ate, &de) !=
5085 if (dwarf_get_ATE_name(ate, &ate_str) != DW_DLV_OK)
5086 ate_str = "DW_ATE_UNKNOWN";
5087 printf("\t(%s)", &ate_str[strlen("DW_ATE_")]);
5090 case DW_AT_language:
5091 if (dwarf_attrval_unsigned(die, attr, &lang, &de) !=
5094 if (dwarf_get_LANG_name(lang, &lang_str) != DW_DLV_OK)
5096 printf("\t(%s)", &lang_str[strlen("DW_LANG_")]);
5099 case DW_AT_location:
5100 case DW_AT_string_length:
5101 case DW_AT_return_addr:
5102 case DW_AT_data_member_location:
5103 case DW_AT_frame_base:
5105 case DW_AT_static_link:
5106 case DW_AT_use_location:
5107 case DW_AT_vtable_elem_location:
5111 case DW_FORM_sec_offset:
5112 printf("\t(location list)");
5126 /* Search children. */
5127 ret = dwarf_child(die, &ret_die, &de);
5128 if (ret == DW_DLV_ERROR)
5129 warnx("dwarf_child: %s", dwarf_errmsg(de));
5130 else if (ret == DW_DLV_OK)
5131 dump_dwarf_die(re, ret_die, level + 1);
5133 /* Search sibling. */
5134 is_info = dwarf_get_die_infotypes_flag(die);
5135 ret = dwarf_siblingof_b(re->dbg, die, &ret_die, is_info, &de);
5136 if (ret == DW_DLV_ERROR)
5137 warnx("dwarf_siblingof: %s", dwarf_errmsg(de));
5138 else if (ret == DW_DLV_OK)
5139 dump_dwarf_die(re, ret_die, level);
5141 dwarf_dealloc(re->dbg, die, DW_DLA_DIE);
5145 set_cu_context(struct readelf *re, Dwarf_Half psize, Dwarf_Half osize,
5149 re->cu_psize = psize;
5150 re->cu_osize = osize;
5155 dump_dwarf_info(struct readelf *re, Dwarf_Bool is_info)
5160 Dwarf_Half tag, version, pointer_size, off_size;
5161 Dwarf_Off cu_offset, cu_length;
5163 Dwarf_Unsigned typeoff;
5170 sn = is_info ? ".debug_info" : ".debug_types";
5173 for (i = 0; (size_t) i < re->shnum; i++) {
5175 if (s->name != NULL && !strcmp(s->name, sn))
5178 if ((size_t) i >= re->shnum)
5182 printf("\nDump of debug contents of section %s:\n", sn);
5184 while ((ret = dwarf_next_cu_header_c(re->dbg, is_info, NULL,
5185 &version, &aboff, &pointer_size, &off_size, NULL, &sig8,
5186 &typeoff, NULL, &de)) == DW_DLV_OK) {
5187 set_cu_context(re, pointer_size, off_size, version);
5189 while (dwarf_siblingof_b(re->dbg, die, &die, is_info,
5190 &de) == DW_DLV_OK) {
5191 if (dwarf_tag(die, &tag, &de) != DW_DLV_OK) {
5192 warnx("dwarf_tag failed: %s",
5196 /* XXX: What about DW_TAG_partial_unit? */
5197 if ((is_info && tag == DW_TAG_compile_unit) ||
5198 (!is_info && tag == DW_TAG_type_unit))
5201 if (die == NULL && is_info) {
5202 warnx("could not find DW_TAG_compile_unit "
5205 } else if (die == NULL && !is_info) {
5206 warnx("could not find DW_TAG_type_unit die");
5210 if (dwarf_die_CU_offset_range(die, &cu_offset,
5211 &cu_length, &de) != DW_DLV_OK) {
5212 warnx("dwarf_die_CU_offset failed: %s",
5217 cu_length -= off_size == 4 ? 4 : 12;
5221 p = (uint8_t *)(uintptr_t) &sig8.signature[0];
5222 sig = re->dw_decode(&p, 8);
5225 printf("\n Type Unit @ offset 0x%jx:\n",
5226 (uintmax_t) cu_offset);
5227 printf(" Length:\t\t%#jx (%d-bit)\n",
5228 (uintmax_t) cu_length, off_size == 4 ? 32 : 64);
5229 printf(" Version:\t\t%u\n", version);
5230 printf(" Abbrev Offset:\t0x%jx\n",
5232 printf(" Pointer Size:\t%u\n", pointer_size);
5234 printf(" Signature:\t\t0x%016jx\n",
5236 printf(" Type Offset:\t0x%jx\n",
5237 (uintmax_t) typeoff);
5240 dump_dwarf_die(re, die, 0);
5242 if (ret == DW_DLV_ERROR)
5243 warnx("dwarf_next_cu_header: %s", dwarf_errmsg(de));
5246 } while (dwarf_next_types_section(re->dbg, &de) == DW_DLV_OK);
5250 dump_dwarf_abbrev(struct readelf *re)
5253 Dwarf_Off aboff, atoff;
5254 Dwarf_Unsigned length, attr_count;
5255 Dwarf_Signed flag, form;
5256 Dwarf_Half tag, attr;
5258 const char *tag_str, *attr_str, *form_str;
5259 char unk_tag[32], unk_attr[32], unk_form[32];
5262 printf("\nContents of section .debug_abbrev:\n\n");
5264 while ((ret = dwarf_next_cu_header(re->dbg, NULL, NULL, &aboff,
5265 NULL, NULL, &de)) == DW_DLV_OK) {
5266 printf(" Number TAG\n");
5268 while ((ret = dwarf_get_abbrev(re->dbg, aboff, &ab, &length,
5269 &attr_count, &de)) == DW_DLV_OK) {
5271 dwarf_dealloc(re->dbg, ab, DW_DLA_ABBREV);
5276 if (dwarf_get_abbrev_tag(ab, &tag, &de) != DW_DLV_OK) {
5277 warnx("dwarf_get_abbrev_tag failed: %s",
5281 if (dwarf_get_TAG_name(tag, &tag_str) != DW_DLV_OK) {
5282 snprintf(unk_tag, sizeof(unk_tag),
5283 "[Unknown Tag: %#x]", tag);
5286 if (dwarf_get_abbrev_children_flag(ab, &flag, &de) !=
5288 warnx("dwarf_get_abbrev_children_flag failed:"
5289 " %s", dwarf_errmsg(de));
5292 printf(" %s %s\n", tag_str,
5293 flag ? "[has children]" : "[no children]");
5294 for (j = 0; (Dwarf_Unsigned) j < attr_count; j++) {
5295 if (dwarf_get_abbrev_entry(ab, (Dwarf_Signed) j,
5296 &attr, &form, &atoff, &de) != DW_DLV_OK) {
5297 warnx("dwarf_get_abbrev_entry failed:"
5298 " %s", dwarf_errmsg(de));
5301 if (dwarf_get_AT_name(attr, &attr_str) !=
5303 snprintf(unk_attr, sizeof(unk_attr),
5304 "[Unknown AT: %#x]", attr);
5305 attr_str = unk_attr;
5307 if (dwarf_get_FORM_name(form, &form_str) !=
5309 snprintf(unk_form, sizeof(unk_form),
5310 "[Unknown Form: %#x]",
5312 form_str = unk_form;
5314 printf(" %-18s %s\n", attr_str, form_str);
5317 dwarf_dealloc(re->dbg, ab, DW_DLA_ABBREV);
5319 if (ret != DW_DLV_OK)
5320 warnx("dwarf_get_abbrev: %s", dwarf_errmsg(de));
5322 if (ret == DW_DLV_ERROR)
5323 warnx("dwarf_next_cu_header: %s", dwarf_errmsg(de));
5327 dump_dwarf_pubnames(struct readelf *re)
5331 Dwarf_Unsigned offset, length, nt_cu_offset, nt_cu_length;
5333 Dwarf_Global *globs;
5334 Dwarf_Half nt_version;
5338 int i, dwarf_size, elferr;
5340 printf("\nContents of the .debug_pubnames section:\n");
5343 for (i = 0; (size_t) i < re->shnum; i++) {
5345 if (s->name != NULL && !strcmp(s->name, ".debug_pubnames"))
5348 if ((size_t) i >= re->shnum)
5352 if ((d = elf_getdata(s->scn, NULL)) == NULL) {
5353 elferr = elf_errno();
5355 warnx("elf_getdata failed: %s", elf_errmsg(-1));
5361 /* Read in .debug_pubnames section table header. */
5363 length = re->dw_read(d, &offset, 4);
5364 if (length == 0xffffffff) {
5366 length = re->dw_read(d, &offset, 8);
5370 if (length > d->d_size - offset) {
5371 warnx("invalid .dwarf_pubnames section");
5375 nt_version = re->dw_read(d, &offset, 2);
5376 nt_cu_offset = re->dw_read(d, &offset, dwarf_size);
5377 nt_cu_length = re->dw_read(d, &offset, dwarf_size);
5378 printf(" Length:\t\t\t\t%ju\n", (uintmax_t) length);
5379 printf(" Version:\t\t\t\t%u\n", nt_version);
5380 printf(" Offset into .debug_info section:\t%ju\n",
5381 (uintmax_t) nt_cu_offset);
5382 printf(" Size of area in .debug_info section:\t%ju\n",
5383 (uintmax_t) nt_cu_length);
5385 if (dwarf_get_globals(re->dbg, &globs, &cnt, &de) != DW_DLV_OK) {
5386 warnx("dwarf_get_globals failed: %s", dwarf_errmsg(de));
5390 printf("\n Offset Name\n");
5391 for (i = 0; i < cnt; i++) {
5392 if (dwarf_globname(globs[i], &glob_name, &de) != DW_DLV_OK) {
5393 warnx("dwarf_globname failed: %s", dwarf_errmsg(de));
5396 if (dwarf_global_die_offset(globs[i], &die_off, &de) !=
5398 warnx("dwarf_global_die_offset failed: %s",
5402 printf(" %-11ju %s\n", (uintmax_t) die_off, glob_name);
5407 dump_dwarf_aranges(struct readelf *re)
5410 Dwarf_Arange *aranges;
5412 Dwarf_Unsigned offset, length, as_cu_offset;
5415 Dwarf_Half as_version, as_addrsz, as_segsz;
5418 int i, dwarf_size, elferr;
5420 printf("\nContents of section .debug_aranges:\n");
5423 for (i = 0; (size_t) i < re->shnum; i++) {
5425 if (s->name != NULL && !strcmp(s->name, ".debug_aranges"))
5428 if ((size_t) i >= re->shnum)
5432 if ((d = elf_getdata(s->scn, NULL)) == NULL) {
5433 elferr = elf_errno();
5435 warnx("elf_getdata failed: %s", elf_errmsg(-1));
5441 /* Read in the .debug_aranges section table header. */
5443 length = re->dw_read(d, &offset, 4);
5444 if (length == 0xffffffff) {
5446 length = re->dw_read(d, &offset, 8);
5450 if (length > d->d_size - offset) {
5451 warnx("invalid .dwarf_aranges section");
5455 as_version = re->dw_read(d, &offset, 2);
5456 as_cu_offset = re->dw_read(d, &offset, dwarf_size);
5457 as_addrsz = re->dw_read(d, &offset, 1);
5458 as_segsz = re->dw_read(d, &offset, 1);
5460 printf(" Length:\t\t\t%ju\n", (uintmax_t) length);
5461 printf(" Version:\t\t\t%u\n", as_version);
5462 printf(" Offset into .debug_info:\t%ju\n", (uintmax_t) as_cu_offset);
5463 printf(" Pointer Size:\t\t\t%u\n", as_addrsz);
5464 printf(" Segment Size:\t\t\t%u\n", as_segsz);
5466 if (dwarf_get_aranges(re->dbg, &aranges, &cnt, &de) != DW_DLV_OK) {
5467 warnx("dwarf_get_aranges failed: %s", dwarf_errmsg(de));
5471 printf("\n Address Length\n");
5472 for (i = 0; i < cnt; i++) {
5473 if (dwarf_get_arange_info(aranges[i], &start, &length,
5474 &die_off, &de) != DW_DLV_OK) {
5475 warnx("dwarf_get_arange_info failed: %s",
5479 printf(" %08jx %ju\n", (uintmax_t) start,
5480 (uintmax_t) length);
5485 dump_dwarf_ranges_foreach(struct readelf *re, Dwarf_Die die, Dwarf_Addr base)
5487 Dwarf_Attribute *attr_list;
5488 Dwarf_Ranges *ranges;
5493 Dwarf_Signed attr_count, cnt;
5494 Dwarf_Unsigned off, bytecnt;
5497 if ((ret = dwarf_attrlist(die, &attr_list, &attr_count, &de)) !=
5499 if (ret == DW_DLV_ERROR)
5500 warnx("dwarf_attrlist failed: %s", dwarf_errmsg(de));
5504 for (i = 0; i < attr_count; i++) {
5505 if (dwarf_whatattr(attr_list[i], &attr, &de) != DW_DLV_OK) {
5506 warnx("dwarf_whatattr failed: %s", dwarf_errmsg(de));
5509 if (attr != DW_AT_ranges)
5511 if (dwarf_formudata(attr_list[i], &off, &de) != DW_DLV_OK) {
5512 warnx("dwarf_formudata failed: %s", dwarf_errmsg(de));
5515 if (dwarf_get_ranges(re->dbg, (Dwarf_Off) off, &ranges, &cnt,
5516 &bytecnt, &de) != DW_DLV_OK)
5519 for (j = 0; j < cnt; j++) {
5520 printf(" %08jx ", (uintmax_t) off);
5521 if (ranges[j].dwr_type == DW_RANGES_END) {
5522 printf("%s\n", "<End of list>");
5524 } else if (ranges[j].dwr_type ==
5525 DW_RANGES_ADDRESS_SELECTION) {
5526 base0 = ranges[j].dwr_addr2;
5529 if (re->ec == ELFCLASS32)
5530 printf("%08jx %08jx\n",
5531 (uintmax_t) (ranges[j].dwr_addr1 + base0),
5532 (uintmax_t) (ranges[j].dwr_addr2 + base0));
5534 printf("%016jx %016jx\n",
5535 (uintmax_t) (ranges[j].dwr_addr1 + base0),
5536 (uintmax_t) (ranges[j].dwr_addr2 + base0));
5541 /* Search children. */
5542 ret = dwarf_child(die, &ret_die, &de);
5543 if (ret == DW_DLV_ERROR)
5544 warnx("dwarf_child: %s", dwarf_errmsg(de));
5545 else if (ret == DW_DLV_OK)
5546 dump_dwarf_ranges_foreach(re, ret_die, base);
5548 /* Search sibling. */
5549 ret = dwarf_siblingof(re->dbg, die, &ret_die, &de);
5550 if (ret == DW_DLV_ERROR)
5551 warnx("dwarf_siblingof: %s", dwarf_errmsg(de));
5552 else if (ret == DW_DLV_OK)
5553 dump_dwarf_ranges_foreach(re, ret_die, base);
5557 dump_dwarf_ranges(struct readelf *re)
5559 Dwarf_Ranges *ranges;
5562 Dwarf_Unsigned bytecnt;
5565 Dwarf_Unsigned lowpc;
5568 if (dwarf_get_ranges(re->dbg, 0, &ranges, &cnt, &bytecnt, &de) !=
5572 printf("Contents of the .debug_ranges section:\n\n");
5573 if (re->ec == ELFCLASS32)
5574 printf(" %-8s %-8s %s\n", "Offset", "Begin", "End");
5576 printf(" %-8s %-16s %s\n", "Offset", "Begin", "End");
5578 while ((ret = dwarf_next_cu_header(re->dbg, NULL, NULL, NULL, NULL,
5579 NULL, &de)) == DW_DLV_OK) {
5581 if (dwarf_siblingof(re->dbg, die, &die, &de) != DW_DLV_OK)
5583 if (dwarf_tag(die, &tag, &de) != DW_DLV_OK) {
5584 warnx("dwarf_tag failed: %s", dwarf_errmsg(de));
5587 /* XXX: What about DW_TAG_partial_unit? */
5589 if (tag == DW_TAG_compile_unit) {
5590 if (dwarf_attrval_unsigned(die, DW_AT_low_pc, &lowpc,
5595 dump_dwarf_ranges_foreach(re, die, (Dwarf_Addr) lowpc);
5601 dump_dwarf_macinfo(struct readelf *re)
5603 Dwarf_Unsigned offset;
5605 Dwarf_Macro_Details *md;
5611 #define _MAX_MACINFO_ENTRY 65535
5613 printf("\nContents of section .debug_macinfo:\n\n");
5616 while (dwarf_get_macro_details(re->dbg, offset, _MAX_MACINFO_ENTRY,
5617 &cnt, &md, &de) == DW_DLV_OK) {
5618 for (i = 0; i < cnt; i++) {
5619 offset = md[i].dmd_offset + 1;
5620 if (md[i].dmd_type == 0)
5622 if (dwarf_get_MACINFO_name(md[i].dmd_type, &mi_str) !=
5624 snprintf(unk_mi, sizeof(unk_mi),
5625 "[Unknown MACINFO: %#x]", md[i].dmd_type);
5628 printf(" %s", mi_str);
5629 switch (md[i].dmd_type) {
5630 case DW_MACINFO_define:
5631 case DW_MACINFO_undef:
5632 printf(" - lineno : %jd macro : %s\n",
5633 (intmax_t) md[i].dmd_lineno,
5636 case DW_MACINFO_start_file:
5637 printf(" - lineno : %jd filenum : %jd\n",
5638 (intmax_t) md[i].dmd_lineno,
5639 (intmax_t) md[i].dmd_fileindex);
5648 #undef _MAX_MACINFO_ENTRY
5652 dump_dwarf_frame_inst(struct readelf *re, Dwarf_Cie cie, uint8_t *insts,
5653 Dwarf_Unsigned len, Dwarf_Unsigned caf, Dwarf_Signed daf, Dwarf_Addr pc,
5656 Dwarf_Frame_Op *oplist;
5657 Dwarf_Signed opcnt, delta;
5664 if (dwarf_expand_frame_instructions(cie, insts, len, &oplist,
5665 &opcnt, &de) != DW_DLV_OK) {
5666 warnx("dwarf_expand_frame_instructions failed: %s",
5671 for (i = 0; i < opcnt; i++) {
5672 if (oplist[i].fp_base_op != 0)
5673 op = oplist[i].fp_base_op << 6;
5675 op = oplist[i].fp_extended_op;
5676 if (dwarf_get_CFA_name(op, &op_str) != DW_DLV_OK) {
5677 snprintf(unk_op, sizeof(unk_op), "[Unknown CFA: %#x]",
5681 printf(" %s", op_str);
5683 case DW_CFA_advance_loc:
5684 delta = oplist[i].fp_offset * caf;
5686 printf(": %ju to %08jx", (uintmax_t) delta,
5690 case DW_CFA_offset_extended:
5691 case DW_CFA_offset_extended_sf:
5692 delta = oplist[i].fp_offset * daf;
5693 printf(": r%u (%s) at cfa%+jd", oplist[i].fp_register,
5694 dwarf_regname(re, oplist[i].fp_register),
5697 case DW_CFA_restore:
5698 printf(": r%u (%s)", oplist[i].fp_register,
5699 dwarf_regname(re, oplist[i].fp_register));
5701 case DW_CFA_set_loc:
5702 pc = oplist[i].fp_offset;
5703 printf(": to %08jx", (uintmax_t) pc);
5705 case DW_CFA_advance_loc1:
5706 case DW_CFA_advance_loc2:
5707 case DW_CFA_advance_loc4:
5708 pc += oplist[i].fp_offset;
5709 printf(": %jd to %08jx", (intmax_t) oplist[i].fp_offset,
5712 case DW_CFA_def_cfa:
5713 printf(": r%u (%s) ofs %ju", oplist[i].fp_register,
5714 dwarf_regname(re, oplist[i].fp_register),
5715 (uintmax_t) oplist[i].fp_offset);
5717 case DW_CFA_def_cfa_sf:
5718 printf(": r%u (%s) ofs %jd", oplist[i].fp_register,
5719 dwarf_regname(re, oplist[i].fp_register),
5720 (intmax_t) (oplist[i].fp_offset * daf));
5722 case DW_CFA_def_cfa_register:
5723 printf(": r%u (%s)", oplist[i].fp_register,
5724 dwarf_regname(re, oplist[i].fp_register));
5726 case DW_CFA_def_cfa_offset:
5727 printf(": %ju", (uintmax_t) oplist[i].fp_offset);
5729 case DW_CFA_def_cfa_offset_sf:
5730 printf(": %jd", (intmax_t) (oplist[i].fp_offset * daf));
5738 dwarf_dealloc(dbg, oplist, DW_DLA_FRAME_BLOCK);
5742 get_regoff_str(struct readelf *re, Dwarf_Half reg, Dwarf_Addr off)
5746 if (reg == DW_FRAME_UNDEFINED_VAL || reg == DW_FRAME_REG_INITIAL_VALUE)
5747 snprintf(rs, sizeof(rs), "%c", 'u');
5748 else if (reg == DW_FRAME_CFA_COL)
5749 snprintf(rs, sizeof(rs), "c%+jd", (intmax_t) off);
5751 snprintf(rs, sizeof(rs), "%s%+jd", dwarf_regname(re, reg),
5758 dump_dwarf_frame_regtable(struct readelf *re, Dwarf_Fde fde, Dwarf_Addr pc,
5759 Dwarf_Unsigned func_len, Dwarf_Half cie_ra)
5762 Dwarf_Addr row_pc, end_pc, pre_pc, cur_pc;
5767 #define BIT_SET(v, n) (v[(n)>>3] |= 1U << ((n) & 7))
5768 #define BIT_CLR(v, n) (v[(n)>>3] &= ~(1U << ((n) & 7)))
5769 #define BIT_ISSET(v, n) (v[(n)>>3] & (1U << ((n) & 7)))
5770 #define RT(x) rt.rules[(x)]
5772 vec = calloc((DW_REG_TABLE_SIZE + 7) / 8, 1);
5774 err(EXIT_FAILURE, "calloc failed");
5776 pre_pc = ~((Dwarf_Addr) 0);
5778 end_pc = pc + func_len;
5779 for (; cur_pc < end_pc; cur_pc++) {
5780 if (dwarf_get_fde_info_for_all_regs(fde, cur_pc, &rt, &row_pc,
5781 &de) != DW_DLV_OK) {
5782 warnx("dwarf_get_fde_info_for_all_regs failed: %s\n",
5786 if (row_pc == pre_pc)
5789 for (i = 1; i < DW_REG_TABLE_SIZE; i++) {
5790 if (rt.rules[i].dw_regnum != DW_FRAME_REG_INITIAL_VALUE)
5795 printf(" LOC CFA ");
5796 for (i = 1; i < DW_REG_TABLE_SIZE; i++) {
5797 if (BIT_ISSET(vec, i)) {
5798 if ((Dwarf_Half) i == cie_ra)
5802 dwarf_regname(re, (unsigned int) i));
5807 pre_pc = ~((Dwarf_Addr) 0);
5809 end_pc = pc + func_len;
5810 for (; cur_pc < end_pc; cur_pc++) {
5811 if (dwarf_get_fde_info_for_all_regs(fde, cur_pc, &rt, &row_pc,
5812 &de) != DW_DLV_OK) {
5813 warnx("dwarf_get_fde_info_for_all_regs failed: %s\n",
5817 if (row_pc == pre_pc)
5820 printf("%08jx ", (uintmax_t) row_pc);
5821 printf("%-8s ", get_regoff_str(re, RT(0).dw_regnum,
5823 for (i = 1; i < DW_REG_TABLE_SIZE; i++) {
5824 if (BIT_ISSET(vec, i)) {
5825 printf("%-5s", get_regoff_str(re,
5826 RT(i).dw_regnum, RT(i).dw_offset));
5843 dump_dwarf_frame_section(struct readelf *re, struct section *s, int alt)
5845 Dwarf_Cie *cie_list, cie, pre_cie;
5846 Dwarf_Fde *fde_list, fde;
5847 Dwarf_Off cie_offset, fde_offset;
5848 Dwarf_Unsigned cie_length, fde_instlen;
5849 Dwarf_Unsigned cie_caf, cie_daf, cie_instlen, func_len, fde_length;
5850 Dwarf_Signed cie_count, fde_count, cie_index;
5853 Dwarf_Small cie_version;
5854 Dwarf_Ptr fde_addr, fde_inst, cie_inst;
5859 printf("\nThe section %s contains:\n\n", s->name);
5861 if (!strcmp(s->name, ".debug_frame")) {
5863 if (dwarf_get_fde_list(re->dbg, &cie_list, &cie_count,
5864 &fde_list, &fde_count, &de) != DW_DLV_OK) {
5865 warnx("dwarf_get_fde_list failed: %s",
5869 } else if (!strcmp(s->name, ".eh_frame")) {
5871 if (dwarf_get_fde_list_eh(re->dbg, &cie_list, &cie_count,
5872 &fde_list, &fde_count, &de) != DW_DLV_OK) {
5873 warnx("dwarf_get_fde_list_eh failed: %s",
5881 for (i = 0; i < fde_count; i++) {
5882 if (dwarf_get_fde_n(fde_list, i, &fde, &de) != DW_DLV_OK) {
5883 warnx("dwarf_get_fde_n failed: %s", dwarf_errmsg(de));
5886 if (dwarf_get_cie_of_fde(fde, &cie, &de) != DW_DLV_OK) {
5887 warnx("dwarf_get_fde_n failed: %s", dwarf_errmsg(de));
5890 if (dwarf_get_fde_range(fde, &low_pc, &func_len, &fde_addr,
5891 &fde_length, &cie_offset, &cie_index, &fde_offset,
5892 &de) != DW_DLV_OK) {
5893 warnx("dwarf_get_fde_range failed: %s",
5897 if (dwarf_get_fde_instr_bytes(fde, &fde_inst, &fde_instlen,
5898 &de) != DW_DLV_OK) {
5899 warnx("dwarf_get_fde_instr_bytes failed: %s",
5903 if (pre_cie == NULL || cie != pre_cie) {
5905 if (dwarf_get_cie_info(cie, &cie_length, &cie_version,
5906 &cie_aug, &cie_caf, &cie_daf, &cie_ra,
5907 &cie_inst, &cie_instlen, &de) != DW_DLV_OK) {
5908 warnx("dwarf_get_cie_info failed: %s",
5912 printf("%08jx %08jx %8.8jx CIE",
5913 (uintmax_t) cie_offset,
5914 (uintmax_t) cie_length,
5915 (uintmax_t) (eh_frame ? 0 : ~0U));
5918 printf(" Version:\t\t\t%u\n", cie_version);
5919 printf(" Augmentation:\t\t\t\"");
5920 while ((c = *cie_aug++) != '\0')
5923 printf(" Code alignment factor:\t%ju\n",
5924 (uintmax_t) cie_caf);
5925 printf(" Data alignment factor:\t%jd\n",
5926 (intmax_t) cie_daf);
5927 printf(" Return address column:\t%ju\n",
5928 (uintmax_t) cie_ra);
5930 dump_dwarf_frame_inst(re, cie, cie_inst,
5931 cie_instlen, cie_caf, cie_daf, 0,
5936 while ((c = *cie_aug++) != '\0')
5939 printf(" cf=%ju df=%jd ra=%ju\n",
5940 (uintmax_t) cie_caf,
5941 (uintmax_t) cie_daf,
5942 (uintmax_t) cie_ra);
5943 dump_dwarf_frame_regtable(re, fde, low_pc, 1,
5948 printf("%08jx %08jx %08jx FDE cie=%08jx pc=%08jx..%08jx\n",
5949 (uintmax_t) fde_offset, (uintmax_t) fde_length,
5950 (uintmax_t) cie_offset,
5951 (uintmax_t) (eh_frame ? fde_offset + 4 - cie_offset :
5953 (uintmax_t) low_pc, (uintmax_t) (low_pc + func_len));
5955 dump_dwarf_frame_inst(re, cie, fde_inst, fde_instlen,
5956 cie_caf, cie_daf, low_pc, re->dbg);
5958 dump_dwarf_frame_regtable(re, fde, low_pc, func_len,
5965 dump_dwarf_frame(struct readelf *re, int alt)
5970 (void) dwarf_set_frame_cfa_value(re->dbg, DW_FRAME_CFA_COL);
5972 for (i = 0; (size_t) i < re->shnum; i++) {
5974 if (s->name != NULL && (!strcmp(s->name, ".debug_frame") ||
5975 !strcmp(s->name, ".eh_frame")))
5976 dump_dwarf_frame_section(re, s, alt);
5981 dump_dwarf_str(struct readelf *re)
5986 int elferr, end, i, j;
5988 printf("\nContents of section .debug_str:\n");
5991 for (i = 0; (size_t) i < re->shnum; i++) {
5993 if (s->name != NULL && !strcmp(s->name, ".debug_str"))
5996 if ((size_t) i >= re->shnum)
6000 if ((d = elf_getdata(s->scn, NULL)) == NULL) {
6001 elferr = elf_errno();
6003 warnx("elf_getdata failed: %s", elf_errmsg(-1));
6009 for (i = 0, p = d->d_buf; (size_t) i < d->d_size; i += 16) {
6010 printf(" 0x%08x", (unsigned int) i);
6011 if ((size_t) i + 16 > d->d_size)
6015 for (j = i; j < i + 16; j++) {
6016 if ((j - i) % 4 == 0)
6022 printf("%02x", (uint8_t) p[j]);
6025 for (j = i; j < end; j++) {
6038 Dwarf_Attribute la_at;
6039 Dwarf_Unsigned la_off;
6040 Dwarf_Unsigned la_lowpc;
6041 Dwarf_Half la_cu_psize;
6042 Dwarf_Half la_cu_osize;
6043 Dwarf_Half la_cu_ver;
6044 TAILQ_ENTRY(loc_at) la_next;
6047 static TAILQ_HEAD(, loc_at) lalist = TAILQ_HEAD_INITIALIZER(lalist);
6050 search_loclist_at(struct readelf *re, Dwarf_Die die, Dwarf_Unsigned lowpc)
6052 Dwarf_Attribute *attr_list;
6056 Dwarf_Signed attr_count;
6057 Dwarf_Half attr, form;
6060 struct loc_at *la, *nla;
6063 is_info = dwarf_get_die_infotypes_flag(die);
6065 if ((ret = dwarf_attrlist(die, &attr_list, &attr_count, &de)) !=
6067 if (ret == DW_DLV_ERROR)
6068 warnx("dwarf_attrlist failed: %s", dwarf_errmsg(de));
6071 for (i = 0; i < attr_count; i++) {
6072 if (dwarf_whatattr(attr_list[i], &attr, &de) != DW_DLV_OK) {
6073 warnx("dwarf_whatattr failed: %s", dwarf_errmsg(de));
6076 if (attr != DW_AT_location &&
6077 attr != DW_AT_string_length &&
6078 attr != DW_AT_return_addr &&
6079 attr != DW_AT_data_member_location &&
6080 attr != DW_AT_frame_base &&
6081 attr != DW_AT_segment &&
6082 attr != DW_AT_static_link &&
6083 attr != DW_AT_use_location &&
6084 attr != DW_AT_vtable_elem_location)
6086 if (dwarf_whatform(attr_list[i], &form, &de) != DW_DLV_OK) {
6087 warnx("dwarf_whatform failed: %s", dwarf_errmsg(de));
6090 if (form == DW_FORM_data4 || form == DW_FORM_data8) {
6091 if (dwarf_formudata(attr_list[i], &off, &de) !=
6093 warnx("dwarf_formudata failed: %s",
6097 } else if (form == DW_FORM_sec_offset) {
6098 if (dwarf_global_formref(attr_list[i], &ref, &de) !=
6100 warnx("dwarf_global_formref failed: %s",
6108 TAILQ_FOREACH(la, &lalist, la_next) {
6109 if (off == la->la_off)
6111 if (off < la->la_off) {
6112 if ((nla = malloc(sizeof(*nla))) == NULL)
6113 err(EXIT_FAILURE, "malloc failed");
6114 nla->la_at = attr_list[i];
6116 nla->la_lowpc = lowpc;
6117 nla->la_cu_psize = re->cu_psize;
6118 nla->la_cu_osize = re->cu_osize;
6119 nla->la_cu_ver = re->cu_ver;
6120 TAILQ_INSERT_BEFORE(la, nla, la_next);
6125 if ((nla = malloc(sizeof(*nla))) == NULL)
6126 err(EXIT_FAILURE, "malloc failed");
6127 nla->la_at = attr_list[i];
6129 nla->la_lowpc = lowpc;
6130 nla->la_cu_psize = re->cu_psize;
6131 nla->la_cu_osize = re->cu_osize;
6132 nla->la_cu_ver = re->cu_ver;
6133 TAILQ_INSERT_TAIL(&lalist, nla, la_next);
6138 /* Search children. */
6139 ret = dwarf_child(die, &ret_die, &de);
6140 if (ret == DW_DLV_ERROR)
6141 warnx("dwarf_child: %s", dwarf_errmsg(de));
6142 else if (ret == DW_DLV_OK)
6143 search_loclist_at(re, ret_die, lowpc);
6145 /* Search sibling. */
6146 ret = dwarf_siblingof_b(re->dbg, die, &ret_die, is_info, &de);
6147 if (ret == DW_DLV_ERROR)
6148 warnx("dwarf_siblingof: %s", dwarf_errmsg(de));
6149 else if (ret == DW_DLV_OK)
6150 search_loclist_at(re, ret_die, lowpc);
6154 dump_dwarf_loc(struct readelf *re, Dwarf_Loc *lr)
6161 if (dwarf_get_OP_name(lr->lr_atom, &op_str) !=
6163 snprintf(unk_op, sizeof(unk_op),
6164 "[Unknown OP: %#x]", lr->lr_atom);
6168 printf("%s", op_str);
6170 switch (lr->lr_atom) {
6203 printf(" (%s)", dwarf_regname(re, lr->lr_atom - DW_OP_reg0));
6266 case DW_OP_push_object_address:
6267 case DW_OP_form_tls_address:
6268 case DW_OP_call_frame_cfa:
6269 case DW_OP_stack_value:
6270 case DW_OP_GNU_push_tls_address:
6271 case DW_OP_GNU_uninit:
6276 case DW_OP_deref_size:
6277 case DW_OP_xderef_size:
6284 case DW_OP_plus_uconst:
6287 printf(": %ju", (uintmax_t)
6296 printf(": %jd", (intmax_t)
6332 printf(" (%s): %jd",
6333 dwarf_regname(re, lr->lr_atom - DW_OP_breg0),
6334 (intmax_t) lr->lr_number);
6338 printf(": %jd", (intmax_t)
6343 printf(": %ju (%s) %jd",
6344 (uintmax_t) lr->lr_number,
6345 dwarf_regname(re, (unsigned int) lr->lr_number),
6346 (intmax_t) lr->lr_number2);
6350 case DW_OP_GNU_encoded_addr:
6351 printf(": %#jx", (uintmax_t)
6355 case DW_OP_GNU_implicit_pointer:
6356 printf(": <0x%jx> %jd", (uintmax_t) lr->lr_number,
6357 (intmax_t) lr->lr_number2);
6360 case DW_OP_implicit_value:
6361 printf(": %ju byte block:", (uintmax_t) lr->lr_number);
6362 b = (uint8_t *)(uintptr_t) lr->lr_number2;
6363 for (i = 0; (Dwarf_Unsigned) i < lr->lr_number; i++)
6364 printf(" %x", b[i]);
6367 case DW_OP_GNU_entry_value:
6369 dump_dwarf_block(re, (uint8_t *)(uintptr_t) lr->lr_number2,
6374 case DW_OP_GNU_const_type:
6375 printf(": <0x%jx> ", (uintmax_t) lr->lr_number);
6376 b = (uint8_t *)(uintptr_t) lr->lr_number2;
6378 for (i = 1; (uint8_t) i < n; i++)
6379 printf(" %x", b[i]);
6382 case DW_OP_GNU_regval_type:
6383 printf(": %ju (%s) <0x%jx>", (uintmax_t) lr->lr_number,
6384 dwarf_regname(re, (unsigned int) lr->lr_number),
6385 (uintmax_t) lr->lr_number2);
6388 case DW_OP_GNU_convert:
6389 case DW_OP_GNU_deref_type:
6390 case DW_OP_GNU_parameter_ref:
6391 case DW_OP_GNU_reinterpret:
6392 printf(": <0x%jx>", (uintmax_t) lr->lr_number);
6401 dump_dwarf_block(struct readelf *re, uint8_t *b, Dwarf_Unsigned len)
6403 Dwarf_Locdesc *llbuf;
6408 if (dwarf_loclist_from_expr_b(re->dbg, b, len, re->cu_psize,
6409 re->cu_osize, re->cu_ver, &llbuf, &lcnt, &de) != DW_DLV_OK) {
6410 warnx("dwarf_loclist_form_expr_b: %s", dwarf_errmsg(de));
6414 for (i = 0; (Dwarf_Half) i < llbuf->ld_cents; i++) {
6415 dump_dwarf_loc(re, &llbuf->ld_s[i]);
6416 if (i < llbuf->ld_cents - 1)
6420 dwarf_dealloc(re->dbg, llbuf->ld_s, DW_DLA_LOC_BLOCK);
6421 dwarf_dealloc(re->dbg, llbuf, DW_DLA_LOCDESC);
6425 dump_dwarf_loclist(struct readelf *re)
6428 Dwarf_Locdesc **llbuf;
6429 Dwarf_Unsigned lowpc;
6431 Dwarf_Half tag, version, pointer_size, off_size;
6434 int i, j, ret, has_content;
6436 /* Search .debug_info section. */
6437 while ((ret = dwarf_next_cu_header_b(re->dbg, NULL, &version, NULL,
6438 &pointer_size, &off_size, NULL, NULL, &de)) == DW_DLV_OK) {
6439 set_cu_context(re, pointer_size, off_size, version);
6441 if (dwarf_siblingof(re->dbg, die, &die, &de) != DW_DLV_OK)
6443 if (dwarf_tag(die, &tag, &de) != DW_DLV_OK) {
6444 warnx("dwarf_tag failed: %s", dwarf_errmsg(de));
6447 /* XXX: What about DW_TAG_partial_unit? */
6449 if (tag == DW_TAG_compile_unit) {
6450 if (dwarf_attrval_unsigned(die, DW_AT_low_pc,
6451 &lowpc, &de) != DW_DLV_OK)
6455 /* Search attributes for reference to .debug_loc section. */
6456 search_loclist_at(re, die, lowpc);
6458 if (ret == DW_DLV_ERROR)
6459 warnx("dwarf_next_cu_header: %s", dwarf_errmsg(de));
6461 /* Search .debug_types section. */
6463 while ((ret = dwarf_next_cu_header_c(re->dbg, 0, NULL,
6464 &version, NULL, &pointer_size, &off_size, NULL, NULL,
6465 NULL, NULL, &de)) == DW_DLV_OK) {
6466 set_cu_context(re, pointer_size, off_size, version);
6468 if (dwarf_siblingof(re->dbg, die, &die, &de) !=
6471 if (dwarf_tag(die, &tag, &de) != DW_DLV_OK) {
6472 warnx("dwarf_tag failed: %s",
6478 if (tag == DW_TAG_type_unit) {
6479 if (dwarf_attrval_unsigned(die, DW_AT_low_pc,
6480 &lowpc, &de) != DW_DLV_OK)
6485 * Search attributes for reference to .debug_loc
6488 search_loclist_at(re, die, lowpc);
6490 if (ret == DW_DLV_ERROR)
6491 warnx("dwarf_next_cu_header: %s", dwarf_errmsg(de));
6492 } while (dwarf_next_types_section(re->dbg, &de) == DW_DLV_OK);
6494 if (TAILQ_EMPTY(&lalist))
6498 TAILQ_FOREACH(la, &lalist, la_next) {
6499 if ((ret = dwarf_loclist_n(la->la_at, &llbuf, &lcnt, &de)) !=
6501 if (ret != DW_DLV_NO_ENTRY)
6502 warnx("dwarf_loclist_n failed: %s",
6508 printf("\nContents of section .debug_loc:\n");
6509 printf(" Offset Begin End Expression\n");
6511 set_cu_context(re, la->la_cu_psize, la->la_cu_osize,
6513 for (i = 0; i < lcnt; i++) {
6514 printf(" %8.8jx ", (uintmax_t) la->la_off);
6515 if (llbuf[i]->ld_lopc == 0 && llbuf[i]->ld_hipc == 0) {
6516 printf("<End of list>\n");
6520 /* TODO: handle base selection entry. */
6522 printf("%8.8jx %8.8jx ",
6523 (uintmax_t) (la->la_lowpc + llbuf[i]->ld_lopc),
6524 (uintmax_t) (la->la_lowpc + llbuf[i]->ld_hipc));
6527 for (j = 0; (Dwarf_Half) j < llbuf[i]->ld_cents; j++) {
6528 dump_dwarf_loc(re, &llbuf[i]->ld_s[j]);
6529 if (j < llbuf[i]->ld_cents - 1)
6534 if (llbuf[i]->ld_lopc == llbuf[i]->ld_hipc)
6535 printf(" (start == end)");
6538 for (i = 0; i < lcnt; i++) {
6539 dwarf_dealloc(re->dbg, llbuf[i]->ld_s,
6541 dwarf_dealloc(re->dbg, llbuf[i], DW_DLA_LOCDESC);
6543 dwarf_dealloc(re->dbg, llbuf, DW_DLA_LIST);
6547 printf("\nSection '.debug_loc' has no debugging data.\n");
6551 * Retrieve a string using string table section index and the string offset.
6554 get_string(struct readelf *re, int strtab, size_t off)
6558 if ((name = elf_strptr(re->elf, strtab, off)) == NULL)
6565 * Retrieve the name of a symbol using the section index of the symbol
6566 * table and the index of the symbol within that table.
6569 get_symbol_name(struct readelf *re, int symtab, int i)
6577 s = &re->sl[symtab];
6578 if (s->type != SHT_SYMTAB && s->type != SHT_DYNSYM)
6581 if ((data = elf_getdata(s->scn, NULL)) == NULL) {
6582 elferr = elf_errno();
6584 warnx("elf_getdata failed: %s", elf_errmsg(elferr));
6587 if (gelf_getsym(data, i, &sym) != &sym)
6589 /* Return section name for STT_SECTION symbol. */
6590 if (GELF_ST_TYPE(sym.st_info) == STT_SECTION) {
6591 if (sym.st_shndx < re->shnum &&
6592 re->sl[sym.st_shndx].name != NULL)
6593 return (re->sl[sym.st_shndx].name);
6596 if (s->link >= re->shnum ||
6597 (name = elf_strptr(re->elf, s->link, sym.st_name)) == NULL)
6604 get_symbol_value(struct readelf *re, int symtab, int i)
6611 s = &re->sl[symtab];
6612 if (s->type != SHT_SYMTAB && s->type != SHT_DYNSYM)
6615 if ((data = elf_getdata(s->scn, NULL)) == NULL) {
6616 elferr = elf_errno();
6618 warnx("elf_getdata failed: %s", elf_errmsg(elferr));
6621 if (gelf_getsym(data, i, &sym) != &sym)
6624 return (sym.st_value);
6628 hex_dump(struct readelf *re)
6637 for (i = 1; (size_t) i < re->shnum; i++) {
6639 if (find_dumpop(re, (size_t) i, s->name, HEX_DUMP, -1) == NULL)
6642 if ((d = elf_getdata(s->scn, NULL)) == NULL &&
6643 (d = elf_rawdata(s->scn, NULL)) == NULL) {
6644 elferr = elf_errno();
6646 warnx("elf_getdata failed: %s",
6647 elf_errmsg(elferr));
6651 if (d->d_size <= 0 || d->d_buf == NULL) {
6652 printf("\nSection '%s' has no data to dump.\n",
6659 printf("\nHex dump of section '%s':\n", s->name);
6661 printf(" 0x%8.8jx ", (uintmax_t)addr);
6662 nbytes = sz > 16? 16 : sz;
6663 for (j = 0; j < 16; j++) {
6664 if ((size_t)j < nbytes)
6665 printf("%2.2x", buf[j]);
6671 for (j = 0; (size_t)j < nbytes; j++) {
6672 if (isprint(buf[j]))
6673 printf("%c", buf[j]);
6686 str_dump(struct readelf *re)
6690 unsigned char *start, *end, *buf_end;
6692 int i, j, elferr, found;
6694 for (i = 1; (size_t) i < re->shnum; i++) {
6696 if (find_dumpop(re, (size_t) i, s->name, STR_DUMP, -1) == NULL)
6699 if ((d = elf_getdata(s->scn, NULL)) == NULL &&
6700 (d = elf_rawdata(s->scn, NULL)) == NULL) {
6701 elferr = elf_errno();
6703 warnx("elf_getdata failed: %s",
6704 elf_errmsg(elferr));
6708 if (d->d_size <= 0 || d->d_buf == NULL) {
6709 printf("\nSection '%s' has no data to dump.\n",
6713 buf_end = (unsigned char *) d->d_buf + d->d_size;
6714 start = (unsigned char *) d->d_buf;
6716 printf("\nString dump of section '%s':\n", s->name);
6718 while (start < buf_end && !isprint(*start))
6720 if (start >= buf_end)
6723 while (end < buf_end && isprint(*end))
6726 (long) (start - (unsigned char *) d->d_buf));
6728 for (j = 0; (unsigned int) j < len; j++)
6737 printf(" No strings found in this section.");
6743 load_sections(struct readelf *re)
6749 size_t shstrndx, ndx;
6752 /* Allocate storage for internal section list. */
6753 if (!elf_getshnum(re->elf, &re->shnum)) {
6754 warnx("elf_getshnum failed: %s", elf_errmsg(-1));
6759 if ((re->sl = calloc(re->shnum, sizeof(*re->sl))) == NULL)
6760 err(EXIT_FAILURE, "calloc failed");
6762 /* Get the index of .shstrtab section. */
6763 if (!elf_getshstrndx(re->elf, &shstrndx)) {
6764 warnx("elf_getshstrndx failed: %s", elf_errmsg(-1));
6768 if ((scn = elf_getscn(re->elf, 0)) == NULL)
6773 if (gelf_getshdr(scn, &sh) == NULL) {
6774 warnx("gelf_getshdr failed: %s", elf_errmsg(-1));
6778 if ((name = elf_strptr(re->elf, shstrndx, sh.sh_name)) == NULL) {
6782 if ((ndx = elf_ndxscn(scn)) == SHN_UNDEF) {
6783 if ((elferr = elf_errno()) != 0) {
6784 warnx("elf_ndxscn failed: %s",
6785 elf_errmsg(elferr));
6789 if (ndx >= re->shnum) {
6790 warnx("section index of '%s' out of range", name);
6793 if (sh.sh_link >= re->shnum)
6794 warnx("section link %llu of '%s' out of range",
6795 (unsigned long long)sh.sh_link, name);
6799 s->off = sh.sh_offset;
6801 s->entsize = sh.sh_entsize;
6802 s->align = sh.sh_addralign;
6803 s->type = sh.sh_type;
6804 s->flags = sh.sh_flags;
6805 s->addr = sh.sh_addr;
6806 s->link = sh.sh_link;
6807 s->info = sh.sh_info;
6808 } while ((scn = elf_nextscn(re->elf, scn)) != NULL);
6809 elferr = elf_errno();
6811 warnx("elf_nextscn failed: %s", elf_errmsg(elferr));
6815 unload_sections(struct readelf *re)
6818 if (re->sl != NULL) {
6828 if (re->ver != NULL) {
6836 dump_elf(struct readelf *re)
6839 /* Fetch ELF header. No need to continue if it fails. */
6840 if (gelf_getehdr(re->elf, &re->ehdr) == NULL) {
6841 warnx("gelf_getehdr failed: %s", elf_errmsg(-1));
6844 if ((re->ec = gelf_getclass(re->elf)) == ELFCLASSNONE) {
6845 warnx("gelf_getclass failed: %s", elf_errmsg(-1));
6848 if (re->ehdr.e_ident[EI_DATA] == ELFDATA2MSB) {
6849 re->dw_read = _read_msb;
6850 re->dw_decode = _decode_msb;
6852 re->dw_read = _read_lsb;
6853 re->dw_decode = _decode_lsb;
6856 if (re->options & ~RE_H)
6858 if ((re->options & RE_VV) || (re->options & RE_S))
6860 if (re->options & RE_H)
6862 if (re->options & RE_L)
6864 if (re->options & RE_SS)
6866 if (re->options & RE_G)
6867 dump_section_groups(re);
6868 if (re->options & RE_D)
6870 if (re->options & RE_R)
6872 if (re->options & RE_S)
6874 if (re->options & RE_N)
6876 if (re->options & RE_II)
6878 if (re->options & RE_X)
6880 if (re->options & RE_P)
6882 if (re->options & RE_VV)
6884 if (re->options & RE_AA)
6885 dump_arch_specific_info(re);
6886 if (re->options & RE_W)
6888 if (re->options & ~RE_H)
6889 unload_sections(re);
6893 dump_dwarf(struct readelf *re)
6895 struct loc_at *la, *_la;
6899 if (dwarf_elf_init(re->elf, DW_DLC_READ, NULL, NULL, &re->dbg, &de)) {
6900 if ((error = dwarf_errno(de)) != DW_DLE_DEBUG_INFO_NULL)
6901 errx(EXIT_FAILURE, "dwarf_elf_init failed: %s",
6907 dump_dwarf_abbrev(re);
6909 dump_dwarf_line(re);
6910 if (re->dop & DW_LL)
6911 dump_dwarf_line_decoded(re);
6912 if (re->dop & DW_I) {
6913 dump_dwarf_info(re, 0);
6914 dump_dwarf_info(re, 1);
6917 dump_dwarf_pubnames(re);
6919 dump_dwarf_aranges(re);
6920 if (re->dop & DW_RR)
6921 dump_dwarf_ranges(re);
6923 dump_dwarf_macinfo(re);
6925 dump_dwarf_frame(re, 0);
6926 else if (re->dop & DW_FF)
6927 dump_dwarf_frame(re, 1);
6931 dump_dwarf_loclist(re);
6933 TAILQ_FOREACH_SAFE(la, &lalist, la_next, _la) {
6934 TAILQ_REMOVE(&lalist, la, la_next);
6938 dwarf_finish(re->dbg, &de);
6942 dump_ar(struct readelf *re, int fd)
6954 if (re->options & RE_C) {
6955 if ((arsym = elf_getarsym(re->ar, &sz)) == NULL) {
6956 warnx("elf_getarsym() failed: %s", elf_errmsg(-1));
6957 goto process_members;
6959 printf("Index of archive %s: (%ju entries)\n", re->filename,
6960 (uintmax_t) sz - 1);
6962 for (i = 0; (size_t) i < sz; i++) {
6963 if (arsym[i].as_name == NULL)
6965 if (arsym[i].as_off != off) {
6966 off = arsym[i].as_off;
6967 if (elf_rand(re->ar, off) != off) {
6968 warnx("elf_rand() failed: %s",
6972 if ((e = elf_begin(fd, ELF_C_READ, re->ar)) ==
6974 warnx("elf_begin() failed: %s",
6978 if ((arhdr = elf_getarhdr(e)) == NULL) {
6979 warnx("elf_getarhdr() failed: %s",
6984 printf("Binary %s(%s) contains:\n",
6985 re->filename, arhdr->ar_name);
6987 printf("\t%s\n", arsym[i].as_name);
6989 if (elf_rand(re->ar, SARMAG) != SARMAG) {
6990 warnx("elf_rand() failed: %s", elf_errmsg(-1));
6997 if ((re->options & ~RE_C) == 0)
7001 while ((re->elf = elf_begin(fd, cmd, re->ar)) != NULL) {
7002 if ((arhdr = elf_getarhdr(re->elf)) == NULL) {
7003 warnx("elf_getarhdr() failed: %s", elf_errmsg(-1));
7006 if (strcmp(arhdr->ar_name, "/") == 0 ||
7007 strcmp(arhdr->ar_name, "//") == 0 ||
7008 strcmp(arhdr->ar_name, "__.SYMDEF") == 0)
7010 printf("\nFile: %s(%s)\n", re->filename, arhdr->ar_name);
7014 cmd = elf_next(re->elf);
7021 dump_object(struct readelf *re)
7025 if ((fd = open(re->filename, O_RDONLY)) == -1) {
7026 warn("open %s failed", re->filename);
7030 if ((re->flags & DISPLAY_FILENAME) != 0)
7031 printf("\nFile: %s\n", re->filename);
7033 if ((re->elf = elf_begin(fd, ELF_C_READ, NULL)) == NULL) {
7034 warnx("elf_begin() failed: %s", elf_errmsg(-1));
7038 switch (elf_kind(re->elf)) {
7040 warnx("Not an ELF file.");
7049 warnx("Internal: libelf returned unknown elf kind.");
7057 add_dumpop(struct readelf *re, size_t si, const char *sn, int op, int t)
7061 if ((d = find_dumpop(re, si, sn, -1, t)) == NULL) {
7062 if ((d = calloc(1, sizeof(*d))) == NULL)
7063 err(EXIT_FAILURE, "calloc failed");
7064 if (t == DUMP_BY_INDEX)
7070 STAILQ_INSERT_TAIL(&re->v_dumpop, d, dumpop_list);
7075 static struct dumpop *
7076 find_dumpop(struct readelf *re, size_t si, const char *sn, int op, int t)
7080 STAILQ_FOREACH(d, &re->v_dumpop, dumpop_list) {
7081 if ((op == -1 || op & d->op) &&
7082 (t == -1 || (unsigned) t == d->type)) {
7083 if ((d->type == DUMP_BY_INDEX && d->u.si == si) ||
7084 (d->type == DUMP_BY_NAME && !strcmp(d->u.sn, sn)))
7097 {"rawline", 'l', DW_L},
7098 {"decodedline", 'L', DW_LL},
7099 {"info", 'i', DW_I},
7100 {"abbrev", 'a', DW_A},
7101 {"pubnames", 'p', DW_P},
7102 {"aranges", 'r', DW_R},
7103 {"ranges", 'r', DW_R},
7104 {"Ranges", 'R', DW_RR},
7105 {"macro", 'm', DW_M},
7106 {"frames", 'f', DW_F},
7107 {"frames-interp", 'F', DW_FF},
7114 parse_dwarf_op_short(struct readelf *re, const char *op)
7119 re->dop |= DW_DEFAULT_OPTIONS;
7123 for (; *op != '\0'; op++) {
7124 for (i = 0; dwarf_op[i].ln != NULL; i++) {
7125 if (dwarf_op[i].sn == *op) {
7126 re->dop |= dwarf_op[i].value;
7134 parse_dwarf_op_long(struct readelf *re, const char *op)
7136 char *p, *token, *bp;
7140 re->dop |= DW_DEFAULT_OPTIONS;
7144 if ((p = strdup(op)) == NULL)
7145 err(EXIT_FAILURE, "strdup failed");
7148 while ((token = strsep(&p, ",")) != NULL) {
7149 for (i = 0; dwarf_op[i].ln != NULL; i++) {
7150 if (!strcmp(token, dwarf_op[i].ln)) {
7151 re->dop |= dwarf_op[i].value;
7161 _read_lsb(Elf_Data *d, uint64_t *offsetp, int bytes_to_read)
7166 src = (uint8_t *) d->d_buf + *offsetp;
7169 switch (bytes_to_read) {
7171 ret |= ((uint64_t) src[4]) << 32 | ((uint64_t) src[5]) << 40;
7172 ret |= ((uint64_t) src[6]) << 48 | ((uint64_t) src[7]) << 56;
7175 ret |= ((uint64_t) src[2]) << 16 | ((uint64_t) src[3]) << 24;
7178 ret |= ((uint64_t) src[1]) << 8;
7187 *offsetp += bytes_to_read;
7193 _read_msb(Elf_Data *d, uint64_t *offsetp, int bytes_to_read)
7198 src = (uint8_t *) d->d_buf + *offsetp;
7200 switch (bytes_to_read) {
7205 ret = src[1] | ((uint64_t) src[0]) << 8;
7208 ret = src[3] | ((uint64_t) src[2]) << 8;
7209 ret |= ((uint64_t) src[1]) << 16 | ((uint64_t) src[0]) << 24;
7212 ret = src[7] | ((uint64_t) src[6]) << 8;
7213 ret |= ((uint64_t) src[5]) << 16 | ((uint64_t) src[4]) << 24;
7214 ret |= ((uint64_t) src[3]) << 32 | ((uint64_t) src[2]) << 40;
7215 ret |= ((uint64_t) src[1]) << 48 | ((uint64_t) src[0]) << 56;
7221 *offsetp += bytes_to_read;
7227 _decode_lsb(uint8_t **data, int bytes_to_read)
7235 switch (bytes_to_read) {
7237 ret |= ((uint64_t) src[4]) << 32 | ((uint64_t) src[5]) << 40;
7238 ret |= ((uint64_t) src[6]) << 48 | ((uint64_t) src[7]) << 56;
7241 ret |= ((uint64_t) src[2]) << 16 | ((uint64_t) src[3]) << 24;
7244 ret |= ((uint64_t) src[1]) << 8;
7253 *data += bytes_to_read;
7259 _decode_msb(uint8_t **data, int bytes_to_read)
7267 switch (bytes_to_read) {
7272 ret = src[1] | ((uint64_t) src[0]) << 8;
7275 ret = src[3] | ((uint64_t) src[2]) << 8;
7276 ret |= ((uint64_t) src[1]) << 16 | ((uint64_t) src[0]) << 24;
7279 ret = src[7] | ((uint64_t) src[6]) << 8;
7280 ret |= ((uint64_t) src[5]) << 16 | ((uint64_t) src[4]) << 24;
7281 ret |= ((uint64_t) src[3]) << 32 | ((uint64_t) src[2]) << 40;
7282 ret |= ((uint64_t) src[1]) << 48 | ((uint64_t) src[0]) << 56;
7289 *data += bytes_to_read;
7295 _decode_sleb128(uint8_t **dp, uint8_t *dpe)
7307 ret |= ((b & 0x7f) << shift);
7309 } while ((b & 0x80) != 0);
7311 if (shift < 32 && (b & 0x40) != 0)
7312 ret |= (-1 << shift);
7320 _decode_uleb128(uint8_t **dp, uint8_t *dpe)
7332 ret |= ((b & 0x7f) << shift);
7334 } while ((b & 0x80) != 0);
7342 readelf_version(void)
7344 (void) printf("%s (%s)\n", ELFTC_GETPROGNAME(),
7349 #define USAGE_MESSAGE "\
7350 Usage: %s [options] file...\n\
7351 Display information about ELF objects and ar(1) archives.\n\n\
7353 -a | --all Equivalent to specifying options '-dhIlrsASV'.\n\
7354 -c | --archive-index Print the archive symbol table for archives.\n\
7355 -d | --dynamic Print the contents of SHT_DYNAMIC sections.\n\
7356 -e | --headers Print all headers in the object.\n\
7357 -g | --section-groups Print the contents of the section groups.\n\
7358 -h | --file-header Print the file header for the object.\n\
7359 -l | --program-headers Print the PHDR table for the object.\n\
7360 -n | --notes Print the contents of SHT_NOTE sections.\n\
7361 -p INDEX | --string-dump=INDEX\n\
7362 Print the contents of section at index INDEX.\n\
7363 -r | --relocs Print relocation information.\n\
7364 -s | --syms | --symbols Print symbol tables.\n\
7365 -t | --section-details Print additional information about sections.\n\
7366 -v | --version Print a version identifier and exit.\n\
7367 -w[afilmoprsFLR] | --debug-dump={abbrev,aranges,decodedline,frames,\n\
7368 frames-interp,info,loc,macro,pubnames,\n\
7369 ranges,Ranges,rawline,str}\n\
7370 Display DWARF information.\n\
7371 -x INDEX | --hex-dump=INDEX\n\
7372 Display contents of a section as hexadecimal.\n\
7373 -A | --arch-specific (accepted, but ignored)\n\
7374 -D | --use-dynamic Print the symbol table specified by the DT_SYMTAB\n\
7375 entry in the \".dynamic\" section.\n\
7376 -H | --help Print a help message.\n\
7377 -I | --histogram Print information on bucket list lengths for \n\
7379 -N | --full-section-name (accepted, but ignored)\n\
7380 -S | --sections | --section-headers\n\
7381 Print information about section headers.\n\
7382 -V | --version-info Print symbol versoning information.\n\
7383 -W | --wide Print information without wrapping long lines.\n"
7387 readelf_usage(int status)
7389 fprintf(stderr, USAGE_MESSAGE, ELFTC_GETPROGNAME());
7394 main(int argc, char **argv)
7396 struct readelf *re, re_storage;
7402 memset(re, 0, sizeof(*re));
7403 STAILQ_INIT(&re->v_dumpop);
7405 while ((opt = getopt_long(argc, argv, "AacDdegHhIi:lNnp:rSstuVvWw::x:",
7406 longopts, NULL)) != -1) {
7409 readelf_usage(EXIT_SUCCESS);
7412 re->options |= RE_AA;
7415 re->options |= RE_AA | RE_D | RE_G | RE_H | RE_II |
7416 RE_L | RE_R | RE_SS | RE_S | RE_VV;
7419 re->options |= RE_C;
7422 re->options |= RE_DD;
7425 re->options |= RE_D;
7428 re->options |= RE_H | RE_L | RE_SS;
7431 re->options |= RE_G;
7434 readelf_usage(EXIT_SUCCESS);
7437 re->options |= RE_H;
7440 re->options |= RE_II;
7443 /* Not implemented yet. */
7446 re->options |= RE_L;
7449 re->options |= RE_NN;
7452 re->options |= RE_N;
7455 re->options |= RE_P;
7456 si = strtoul(optarg, &ep, 10);
7458 add_dumpop(re, (size_t) si, NULL, STR_DUMP,
7461 add_dumpop(re, 0, optarg, STR_DUMP,
7465 re->options |= RE_R;
7468 re->options |= RE_SS;
7471 re->options |= RE_S;
7474 re->options |= RE_T;
7477 re->options |= RE_U;
7480 re->options |= RE_VV;
7486 re->options |= RE_WW;
7489 re->options |= RE_W;
7490 parse_dwarf_op_short(re, optarg);
7493 re->options |= RE_X;
7494 si = strtoul(optarg, &ep, 10);
7496 add_dumpop(re, (size_t) si, NULL, HEX_DUMP,
7499 add_dumpop(re, 0, optarg, HEX_DUMP,
7502 case OPTION_DEBUG_DUMP:
7503 re->options |= RE_W;
7504 parse_dwarf_op_long(re, optarg);
7511 if (argc == 0 || re->options == 0)
7512 readelf_usage(EXIT_FAILURE);
7515 re->flags |= DISPLAY_FILENAME;
7517 if (elf_version(EV_CURRENT) == EV_NONE)
7518 errx(EXIT_FAILURE, "ELF library initialization failed: %s",
7521 for (i = 0; i < argc; i++) {
7522 re->filename = argv[i];