2 * Copyright (c) 2009-2015 Kai Wang
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 #include <sys/param.h>
28 #include <sys/queue.h>
50 ELFTC_VCSID("$Id: readelf.c 3649 2018-11-24 03:26:23Z emaste $");
52 /* Backwards compatability for older FreeBSD releases. */
53 #ifndef STB_GNU_UNIQUE
54 #define STB_GNU_UNIQUE 10
56 #ifndef STT_SPARC_REGISTER
57 #define STT_SPARC_REGISTER 13
64 #define RE_AA 0x00000001
65 #define RE_C 0x00000002
66 #define RE_DD 0x00000004
67 #define RE_D 0x00000008
68 #define RE_G 0x00000010
69 #define RE_H 0x00000020
70 #define RE_II 0x00000040
71 #define RE_I 0x00000080
72 #define RE_L 0x00000100
73 #define RE_NN 0x00000200
74 #define RE_N 0x00000400
75 #define RE_P 0x00000800
76 #define RE_R 0x00001000
77 #define RE_SS 0x00002000
78 #define RE_S 0x00004000
79 #define RE_T 0x00008000
80 #define RE_U 0x00010000
81 #define RE_VV 0x00020000
82 #define RE_WW 0x00040000
83 #define RE_W 0x00080000
84 #define RE_X 0x00100000
89 #define DW_A 0x00000001
90 #define DW_FF 0x00000002
91 #define DW_F 0x00000004
92 #define DW_I 0x00000008
93 #define DW_LL 0x00000010
94 #define DW_L 0x00000020
95 #define DW_M 0x00000040
96 #define DW_O 0x00000080
97 #define DW_P 0x00000100
98 #define DW_RR 0x00000200
99 #define DW_R 0x00000400
100 #define DW_S 0x00000800
102 #define DW_DEFAULT_OPTIONS (DW_A | DW_F | DW_I | DW_L | DW_O | DW_P | \
106 * readelf(1) run control flags.
108 #define DISPLAY_FILENAME 0x0001
111 * Internal data structure for sections.
114 const char *name; /* section name */
115 Elf_Scn *scn; /* section scn */
116 uint64_t off; /* section offset */
117 uint64_t sz; /* section size */
118 uint64_t entsize; /* section entsize */
119 uint64_t align; /* section alignment */
120 uint64_t type; /* section type */
121 uint64_t flags; /* section flags */
122 uint64_t addr; /* section virtual addr */
123 uint32_t link; /* section link ndx */
124 uint32_t info; /* section info ndx */
129 size_t si; /* section index */
130 const char *sn; /* section name */
135 } type; /* dump type */
136 #define HEX_DUMP 0x0001
137 #define STR_DUMP 0x0002
138 int op; /* dump operation */
139 STAILQ_ENTRY(dumpop) dumpop_list;
148 * Structure encapsulates the global data for readelf(1).
151 const char *filename; /* current processing file. */
152 int options; /* command line options. */
153 int flags; /* run control flags. */
154 int dop; /* dwarf dump options. */
155 Elf *elf; /* underlying ELF descriptor. */
156 Elf *ar; /* archive ELF descriptor. */
157 Dwarf_Debug dbg; /* DWARF handle. */
158 Dwarf_Half cu_psize; /* DWARF CU pointer size. */
159 Dwarf_Half cu_osize; /* DWARF CU offset size. */
160 Dwarf_Half cu_ver; /* DWARF CU version. */
161 GElf_Ehdr ehdr; /* ELF header. */
162 int ec; /* ELF class. */
163 size_t shnum; /* #sections. */
164 struct section *vd_s; /* Verdef section. */
165 struct section *vn_s; /* Verneed section. */
166 struct section *vs_s; /* Versym section. */
167 uint16_t *vs; /* Versym array. */
168 int vs_sz; /* Versym array size. */
169 struct symver *ver; /* Version array. */
170 int ver_sz; /* Size of version array. */
171 struct section *sl; /* list of sections. */
172 STAILQ_HEAD(, dumpop) v_dumpop; /* list of dump ops. */
173 uint64_t (*dw_read)(Elf_Data *, uint64_t *, int);
174 uint64_t (*dw_decode)(uint8_t **, int);
182 static struct option longopts[] = {
183 {"all", no_argument, NULL, 'a'},
184 {"arch-specific", no_argument, NULL, 'A'},
185 {"archive-index", no_argument, NULL, 'c'},
186 {"debug-dump", optional_argument, NULL, OPTION_DEBUG_DUMP},
187 {"dynamic", no_argument, NULL, 'd'},
188 {"file-header", no_argument, NULL, 'h'},
189 {"full-section-name", no_argument, NULL, 'N'},
190 {"headers", no_argument, NULL, 'e'},
191 {"help", no_argument, 0, 'H'},
192 {"hex-dump", required_argument, NULL, 'x'},
193 {"histogram", no_argument, NULL, 'I'},
194 {"notes", no_argument, NULL, 'n'},
195 {"program-headers", no_argument, NULL, 'l'},
196 {"relocs", no_argument, NULL, 'r'},
197 {"sections", no_argument, NULL, 'S'},
198 {"section-headers", no_argument, NULL, 'S'},
199 {"section-groups", no_argument, NULL, 'g'},
200 {"section-details", no_argument, NULL, 't'},
201 {"segments", no_argument, NULL, 'l'},
202 {"string-dump", required_argument, NULL, 'p'},
203 {"symbols", no_argument, NULL, 's'},
204 {"syms", no_argument, NULL, 's'},
205 {"unwind", no_argument, NULL, 'u'},
206 {"use-dynamic", no_argument, NULL, 'D'},
207 {"version-info", no_argument, 0, 'V'},
208 {"version", no_argument, 0, 'v'},
209 {"wide", no_argument, 0, 'W'},
229 Dwarf_Attribute la_at;
230 Dwarf_Unsigned la_off;
231 Dwarf_Unsigned la_lowpc;
232 Dwarf_Half la_cu_psize;
233 Dwarf_Half la_cu_osize;
234 Dwarf_Half la_cu_ver;
237 static void add_dumpop(struct readelf *re, size_t si, const char *sn, int op,
239 static const char *aeabi_adv_simd_arch(uint64_t simd);
240 static const char *aeabi_align_needed(uint64_t an);
241 static const char *aeabi_align_preserved(uint64_t ap);
242 static const char *aeabi_arm_isa(uint64_t ai);
243 static const char *aeabi_cpu_arch(uint64_t arch);
244 static const char *aeabi_cpu_arch_profile(uint64_t pf);
245 static const char *aeabi_div(uint64_t du);
246 static const char *aeabi_enum_size(uint64_t es);
247 static const char *aeabi_fp_16bit_format(uint64_t fp16);
248 static const char *aeabi_fp_arch(uint64_t fp);
249 static const char *aeabi_fp_denormal(uint64_t fd);
250 static const char *aeabi_fp_exceptions(uint64_t fe);
251 static const char *aeabi_fp_hpext(uint64_t fh);
252 static const char *aeabi_fp_number_model(uint64_t fn);
253 static const char *aeabi_fp_optm_goal(uint64_t fog);
254 static const char *aeabi_fp_rounding(uint64_t fr);
255 static const char *aeabi_hardfp(uint64_t hfp);
256 static const char *aeabi_mpext(uint64_t mp);
257 static const char *aeabi_optm_goal(uint64_t og);
258 static const char *aeabi_pcs_config(uint64_t pcs);
259 static const char *aeabi_pcs_got(uint64_t got);
260 static const char *aeabi_pcs_r9(uint64_t r9);
261 static const char *aeabi_pcs_ro(uint64_t ro);
262 static const char *aeabi_pcs_rw(uint64_t rw);
263 static const char *aeabi_pcs_wchar_t(uint64_t wt);
264 static const char *aeabi_t2ee(uint64_t t2ee);
265 static const char *aeabi_thumb_isa(uint64_t ti);
266 static const char *aeabi_fp_user_exceptions(uint64_t fu);
267 static const char *aeabi_unaligned_access(uint64_t ua);
268 static const char *aeabi_vfp_args(uint64_t va);
269 static const char *aeabi_virtual(uint64_t vt);
270 static const char *aeabi_wmmx_arch(uint64_t wmmx);
271 static const char *aeabi_wmmx_args(uint64_t wa);
272 static const char *elf_class(unsigned int class);
273 static const char *elf_endian(unsigned int endian);
274 static const char *elf_machine(unsigned int mach);
275 static const char *elf_osabi(unsigned int abi);
276 static const char *elf_type(unsigned int type);
277 static const char *elf_ver(unsigned int ver);
278 static const char *dt_type(unsigned int mach, unsigned int dtype);
279 static void dump_ar(struct readelf *re, int);
280 static void dump_arm_attributes(struct readelf *re, uint8_t *p, uint8_t *pe);
281 static void dump_attributes(struct readelf *re);
282 static uint8_t *dump_compatibility_tag(uint8_t *p, uint8_t *pe);
283 static void dump_dwarf(struct readelf *re);
284 static void dump_dwarf_abbrev(struct readelf *re);
285 static void dump_dwarf_aranges(struct readelf *re);
286 static void dump_dwarf_block(struct readelf *re, uint8_t *b,
288 static void dump_dwarf_die(struct readelf *re, Dwarf_Die die, int level);
289 static void dump_dwarf_frame(struct readelf *re, int alt);
290 static void dump_dwarf_frame_inst(struct readelf *re, Dwarf_Cie cie,
291 uint8_t *insts, Dwarf_Unsigned len, Dwarf_Unsigned caf, Dwarf_Signed daf,
292 Dwarf_Addr pc, Dwarf_Debug dbg);
293 static int dump_dwarf_frame_regtable(struct readelf *re, Dwarf_Fde fde,
294 Dwarf_Addr pc, Dwarf_Unsigned func_len, Dwarf_Half cie_ra);
295 static void dump_dwarf_frame_section(struct readelf *re, struct section *s,
297 static void dump_dwarf_info(struct readelf *re, Dwarf_Bool is_info);
298 static void dump_dwarf_macinfo(struct readelf *re);
299 static void dump_dwarf_line(struct readelf *re);
300 static void dump_dwarf_line_decoded(struct readelf *re);
301 static void dump_dwarf_loc(struct readelf *re, Dwarf_Loc *lr);
302 static void dump_dwarf_loclist(struct readelf *re);
303 static void dump_dwarf_pubnames(struct readelf *re);
304 static void dump_dwarf_ranges(struct readelf *re);
305 static void dump_dwarf_ranges_foreach(struct readelf *re, Dwarf_Die die,
307 static void dump_dwarf_str(struct readelf *re);
308 static void dump_eflags(struct readelf *re, uint64_t e_flags);
309 static void dump_elf(struct readelf *re);
310 static void dump_flags(struct flag_desc *fd, uint64_t flags);
311 static void dump_dyn_val(struct readelf *re, GElf_Dyn *dyn, uint32_t stab);
312 static void dump_dynamic(struct readelf *re);
313 static void dump_liblist(struct readelf *re);
314 static void dump_mips_abiflags(struct readelf *re, struct section *s);
315 static void dump_mips_attributes(struct readelf *re, uint8_t *p, uint8_t *pe);
316 static void dump_mips_odk_reginfo(struct readelf *re, uint8_t *p, size_t sz);
317 static void dump_mips_options(struct readelf *re, struct section *s);
318 static void dump_mips_option_flags(const char *name, struct mips_option *opt,
320 static void dump_mips_reginfo(struct readelf *re, struct section *s);
321 static void dump_mips_specific_info(struct readelf *re);
322 static void dump_notes(struct readelf *re);
323 static void dump_notes_content(struct readelf *re, const char *buf, size_t sz,
325 static void dump_notes_data(const char *name, uint32_t type, const char *buf,
327 static void dump_svr4_hash(struct section *s);
328 static void dump_svr4_hash64(struct readelf *re, struct section *s);
329 static void dump_gnu_hash(struct readelf *re, struct section *s);
330 static void dump_hash(struct readelf *re);
331 static void dump_phdr(struct readelf *re);
332 static void dump_ppc_attributes(uint8_t *p, uint8_t *pe);
333 static void dump_section_groups(struct readelf *re);
334 static void dump_symtab(struct readelf *re, int i);
335 static void dump_symtabs(struct readelf *re);
336 static uint8_t *dump_unknown_tag(uint64_t tag, uint8_t *p, uint8_t *pe);
337 static void dump_ver(struct readelf *re);
338 static void dump_verdef(struct readelf *re, int dump);
339 static void dump_verneed(struct readelf *re, int dump);
340 static void dump_versym(struct readelf *re);
341 static const char *dwarf_reg(unsigned int mach, unsigned int reg);
342 static const char *dwarf_regname(struct readelf *re, unsigned int num);
343 static struct dumpop *find_dumpop(struct readelf *re, size_t si,
344 const char *sn, int op, int t);
345 static int get_ent_count(struct section *s, int *ent_count);
346 static int get_mips_register_size(uint8_t flag);
347 static char *get_regoff_str(struct readelf *re, Dwarf_Half reg,
349 static const char *get_string(struct readelf *re, int strtab, size_t off);
350 static const char *get_symbol_name(struct readelf *re, int symtab, int i);
351 static uint64_t get_symbol_value(struct readelf *re, int symtab, int i);
352 static void load_sections(struct readelf *re);
353 static int loc_at_comparator(const void *la1, const void *la2);
354 static const char *mips_abi_fp(uint64_t fp);
355 static const char *note_type(const char *note_name, unsigned int et,
357 static const char *note_type_freebsd(unsigned int nt);
358 static const char *note_type_freebsd_core(unsigned int nt);
359 static const char *note_type_linux_core(unsigned int nt);
360 static const char *note_type_gnu(unsigned int nt);
361 static const char *note_type_netbsd(unsigned int nt);
362 static const char *note_type_openbsd(unsigned int nt);
363 static const char *note_type_unknown(unsigned int nt);
364 static const char *note_type_xen(unsigned int nt);
365 static const char *option_kind(uint8_t kind);
366 static const char *phdr_type(unsigned int mach, unsigned int ptype);
367 static const char *ppc_abi_fp(uint64_t fp);
368 static const char *ppc_abi_vector(uint64_t vec);
369 static void readelf_usage(int status);
370 static void readelf_version(void);
371 static void search_loclist_at(struct readelf *re, Dwarf_Die die,
372 Dwarf_Unsigned lowpc, struct loc_at **la_list,
373 size_t *la_list_len, size_t *la_list_cap);
374 static void search_ver(struct readelf *re);
375 static const char *section_type(unsigned int mach, unsigned int stype);
376 static void set_cu_context(struct readelf *re, Dwarf_Half psize,
377 Dwarf_Half osize, Dwarf_Half ver);
378 static const char *st_bind(unsigned int sbind);
379 static const char *st_shndx(unsigned int shndx);
380 static const char *st_type(unsigned int mach, unsigned int os,
382 static const char *st_vis(unsigned int svis);
383 static const char *top_tag(unsigned int tag);
384 static void unload_sections(struct readelf *re);
385 static uint64_t _read_lsb(Elf_Data *d, uint64_t *offsetp,
387 static uint64_t _read_msb(Elf_Data *d, uint64_t *offsetp,
389 static uint64_t _decode_lsb(uint8_t **data, int bytes_to_read);
390 static uint64_t _decode_msb(uint8_t **data, int bytes_to_read);
391 static int64_t _decode_sleb128(uint8_t **dp, uint8_t *dpe);
392 static uint64_t _decode_uleb128(uint8_t **dp, uint8_t *dpe);
394 static struct eflags_desc arm_eflags_desc[] = {
395 {EF_ARM_RELEXEC, "relocatable executable"},
396 {EF_ARM_HASENTRY, "has entry point"},
397 {EF_ARM_SYMSARESORTED, "sorted symbol tables"},
398 {EF_ARM_DYNSYMSUSESEGIDX, "dynamic symbols use segment index"},
399 {EF_ARM_MAPSYMSFIRST, "mapping symbols precede others"},
402 {EF_ARM_INTERWORK, "interworking enabled"},
403 {EF_ARM_APCS_26, "uses APCS/26"},
404 {EF_ARM_APCS_FLOAT, "uses APCS/float"},
405 {EF_ARM_PIC, "position independent"},
406 {EF_ARM_ALIGN8, "8 bit structure alignment"},
407 {EF_ARM_NEW_ABI, "uses new ABI"},
408 {EF_ARM_OLD_ABI, "uses old ABI"},
409 {EF_ARM_SOFT_FLOAT, "software FP"},
410 {EF_ARM_VFP_FLOAT, "VFP"},
411 {EF_ARM_MAVERICK_FLOAT, "Maverick FP"},
415 static struct eflags_desc mips_eflags_desc[] = {
416 {EF_MIPS_NOREORDER, "noreorder"},
417 {EF_MIPS_PIC, "pic"},
418 {EF_MIPS_CPIC, "cpic"},
419 {EF_MIPS_UCODE, "ugen_reserved"},
420 {EF_MIPS_ABI2, "abi2"},
421 {EF_MIPS_OPTIONS_FIRST, "odk first"},
422 {EF_MIPS_ARCH_ASE_MDMX, "mdmx"},
423 {EF_MIPS_ARCH_ASE_M16, "mips16"},
427 static struct eflags_desc powerpc_eflags_desc[] = {
429 {EF_PPC_RELOCATABLE, "relocatable"},
430 {EF_PPC_RELOCATABLE_LIB, "relocatable-lib"},
434 static struct eflags_desc sparc_eflags_desc[] = {
435 {EF_SPARC_32PLUS, "v8+"},
436 {EF_SPARC_SUN_US1, "ultrasparcI"},
437 {EF_SPARC_HAL_R1, "halr1"},
438 {EF_SPARC_SUN_US3, "ultrasparcIII"},
443 elf_osabi(unsigned int abi)
445 static char s_abi[32];
448 case ELFOSABI_NONE: return "NONE";
449 case ELFOSABI_HPUX: return "HPUX";
450 case ELFOSABI_NETBSD: return "NetBSD";
451 case ELFOSABI_GNU: return "GNU";
452 case ELFOSABI_HURD: return "HURD";
453 case ELFOSABI_86OPEN: return "86OPEN";
454 case ELFOSABI_SOLARIS: return "Solaris";
455 case ELFOSABI_AIX: return "AIX";
456 case ELFOSABI_IRIX: return "IRIX";
457 case ELFOSABI_FREEBSD: return "FreeBSD";
458 case ELFOSABI_TRU64: return "TRU64";
459 case ELFOSABI_MODESTO: return "MODESTO";
460 case ELFOSABI_OPENBSD: return "OpenBSD";
461 case ELFOSABI_OPENVMS: return "OpenVMS";
462 case ELFOSABI_NSK: return "NSK";
463 case ELFOSABI_CLOUDABI: return "CloudABI";
464 case ELFOSABI_ARM_AEABI: return "ARM EABI";
465 case ELFOSABI_ARM: return "ARM";
466 case ELFOSABI_STANDALONE: return "StandAlone";
468 snprintf(s_abi, sizeof(s_abi), "<unknown: %#x>", abi);
474 elf_machine(unsigned int mach)
476 static char s_mach[32];
479 case EM_NONE: return "Unknown machine";
480 case EM_M32: return "AT&T WE32100";
481 case EM_SPARC: return "Sun SPARC";
482 case EM_386: return "Intel i386";
483 case EM_68K: return "Motorola 68000";
484 case EM_IAMCU: return "Intel MCU";
485 case EM_88K: return "Motorola 88000";
486 case EM_860: return "Intel i860";
487 case EM_MIPS: return "MIPS R3000 Big-Endian only";
488 case EM_S370: return "IBM System/370";
489 case EM_MIPS_RS3_LE: return "MIPS R3000 Little-Endian";
490 case EM_PARISC: return "HP PA-RISC";
491 case EM_VPP500: return "Fujitsu VPP500";
492 case EM_SPARC32PLUS: return "SPARC v8plus";
493 case EM_960: return "Intel 80960";
494 case EM_PPC: return "PowerPC 32-bit";
495 case EM_PPC64: return "PowerPC 64-bit";
496 case EM_S390: return "IBM System/390";
497 case EM_V800: return "NEC V800";
498 case EM_FR20: return "Fujitsu FR20";
499 case EM_RH32: return "TRW RH-32";
500 case EM_RCE: return "Motorola RCE";
501 case EM_ARM: return "ARM";
502 case EM_SH: return "Hitachi SH";
503 case EM_SPARCV9: return "SPARC v9 64-bit";
504 case EM_TRICORE: return "Siemens TriCore embedded processor";
505 case EM_ARC: return "Argonaut RISC Core";
506 case EM_H8_300: return "Hitachi H8/300";
507 case EM_H8_300H: return "Hitachi H8/300H";
508 case EM_H8S: return "Hitachi H8S";
509 case EM_H8_500: return "Hitachi H8/500";
510 case EM_IA_64: return "Intel IA-64 Processor";
511 case EM_MIPS_X: return "Stanford MIPS-X";
512 case EM_COLDFIRE: return "Motorola ColdFire";
513 case EM_68HC12: return "Motorola M68HC12";
514 case EM_MMA: return "Fujitsu MMA";
515 case EM_PCP: return "Siemens PCP";
516 case EM_NCPU: return "Sony nCPU";
517 case EM_NDR1: return "Denso NDR1 microprocessor";
518 case EM_STARCORE: return "Motorola Star*Core processor";
519 case EM_ME16: return "Toyota ME16 processor";
520 case EM_ST100: return "STMicroelectronics ST100 processor";
521 case EM_TINYJ: return "Advanced Logic Corp. TinyJ processor";
522 case EM_X86_64: return "Advanced Micro Devices x86-64";
523 case EM_PDSP: return "Sony DSP Processor";
524 case EM_FX66: return "Siemens FX66 microcontroller";
525 case EM_ST9PLUS: return "STMicroelectronics ST9+ 8/16 microcontroller";
526 case EM_ST7: return "STmicroelectronics ST7 8-bit microcontroller";
527 case EM_68HC16: return "Motorola MC68HC16 microcontroller";
528 case EM_68HC11: return "Motorola MC68HC11 microcontroller";
529 case EM_68HC08: return "Motorola MC68HC08 microcontroller";
530 case EM_68HC05: return "Motorola MC68HC05 microcontroller";
531 case EM_SVX: return "Silicon Graphics SVx";
532 case EM_ST19: return "STMicroelectronics ST19 8-bit mc";
533 case EM_VAX: return "Digital VAX";
534 case EM_CRIS: return "Axis Communications 32-bit embedded processor";
535 case EM_JAVELIN: return "Infineon Tech. 32bit embedded processor";
536 case EM_FIREPATH: return "Element 14 64-bit DSP Processor";
537 case EM_ZSP: return "LSI Logic 16-bit DSP Processor";
538 case EM_MMIX: return "Donald Knuth's educational 64-bit proc";
539 case EM_HUANY: return "Harvard University MI object files";
540 case EM_PRISM: return "SiTera Prism";
541 case EM_AVR: return "Atmel AVR 8-bit microcontroller";
542 case EM_FR30: return "Fujitsu FR30";
543 case EM_D10V: return "Mitsubishi D10V";
544 case EM_D30V: return "Mitsubishi D30V";
545 case EM_V850: return "NEC v850";
546 case EM_M32R: return "Mitsubishi M32R";
547 case EM_MN10300: return "Matsushita MN10300";
548 case EM_MN10200: return "Matsushita MN10200";
549 case EM_PJ: return "picoJava";
550 case EM_OPENRISC: return "OpenRISC 32-bit embedded processor";
551 case EM_ARC_A5: return "ARC Cores Tangent-A5";
552 case EM_XTENSA: return "Tensilica Xtensa Architecture";
553 case EM_VIDEOCORE: return "Alphamosaic VideoCore processor";
554 case EM_TMM_GPP: return "Thompson Multimedia General Purpose Processor";
555 case EM_NS32K: return "National Semiconductor 32000 series";
556 case EM_TPC: return "Tenor Network TPC processor";
557 case EM_SNP1K: return "Trebia SNP 1000 processor";
558 case EM_ST200: return "STMicroelectronics ST200 microcontroller";
559 case EM_IP2K: return "Ubicom IP2xxx microcontroller family";
560 case EM_MAX: return "MAX Processor";
561 case EM_CR: return "National Semiconductor CompactRISC microprocessor";
562 case EM_F2MC16: return "Fujitsu F2MC16";
563 case EM_MSP430: return "TI embedded microcontroller msp430";
564 case EM_BLACKFIN: return "Analog Devices Blackfin (DSP) processor";
565 case EM_SE_C33: return "S1C33 Family of Seiko Epson processors";
566 case EM_SEP: return "Sharp embedded microprocessor";
567 case EM_ARCA: return "Arca RISC Microprocessor";
568 case EM_UNICORE: return "Microprocessor series from PKU-Unity Ltd";
569 case EM_AARCH64: return "AArch64";
570 case EM_RISCV: return "RISC-V";
572 snprintf(s_mach, sizeof(s_mach), "<unknown: %#x>", mach);
579 elf_class(unsigned int class)
581 static char s_class[32];
584 case ELFCLASSNONE: return "none";
585 case ELFCLASS32: return "ELF32";
586 case ELFCLASS64: return "ELF64";
588 snprintf(s_class, sizeof(s_class), "<unknown: %#x>", class);
594 elf_endian(unsigned int endian)
596 static char s_endian[32];
599 case ELFDATANONE: return "none";
600 case ELFDATA2LSB: return "2's complement, little endian";
601 case ELFDATA2MSB: return "2's complement, big endian";
603 snprintf(s_endian, sizeof(s_endian), "<unknown: %#x>", endian);
609 elf_type(unsigned int type)
611 static char s_type[32];
614 case ET_NONE: return "NONE (None)";
615 case ET_REL: return "REL (Relocatable file)";
616 case ET_EXEC: return "EXEC (Executable file)";
617 case ET_DYN: return "DYN (Shared object file)";
618 case ET_CORE: return "CORE (Core file)";
620 if (type >= ET_LOPROC)
621 snprintf(s_type, sizeof(s_type), "<proc: %#x>", type);
622 else if (type >= ET_LOOS && type <= ET_HIOS)
623 snprintf(s_type, sizeof(s_type), "<os: %#x>", type);
625 snprintf(s_type, sizeof(s_type), "<unknown: %#x>",
632 elf_ver(unsigned int ver)
634 static char s_ver[32];
637 case EV_CURRENT: return "(current)";
638 case EV_NONE: return "(none)";
640 snprintf(s_ver, sizeof(s_ver), "<unknown: %#x>",
647 phdr_type(unsigned int mach, unsigned int ptype)
649 static char s_ptype[32];
651 if (ptype >= PT_LOPROC && ptype <= PT_HIPROC) {
655 case PT_ARM_ARCHEXT: return "ARM_ARCHEXT";
656 case PT_ARM_EXIDX: return "ARM_EXIDX";
660 snprintf(s_ptype, sizeof(s_ptype), "LOPROC+%#x",
666 case PT_NULL: return "NULL";
667 case PT_LOAD: return "LOAD";
668 case PT_DYNAMIC: return "DYNAMIC";
669 case PT_INTERP: return "INTERP";
670 case PT_NOTE: return "NOTE";
671 case PT_SHLIB: return "SHLIB";
672 case PT_PHDR: return "PHDR";
673 case PT_TLS: return "TLS";
674 case PT_GNU_EH_FRAME: return "GNU_EH_FRAME";
675 case PT_GNU_STACK: return "GNU_STACK";
676 case PT_GNU_RELRO: return "GNU_RELRO";
678 if (ptype >= PT_LOOS && ptype <= PT_HIOS)
679 snprintf(s_ptype, sizeof(s_ptype), "LOOS+%#x",
682 snprintf(s_ptype, sizeof(s_ptype), "<unknown: %#x>",
689 section_type(unsigned int mach, unsigned int stype)
691 static char s_stype[32];
693 if (stype >= SHT_LOPROC && stype <= SHT_HIPROC) {
697 case SHT_ARM_EXIDX: return "ARM_EXIDX";
698 case SHT_ARM_PREEMPTMAP: return "ARM_PREEMPTMAP";
699 case SHT_ARM_ATTRIBUTES: return "ARM_ATTRIBUTES";
700 case SHT_ARM_DEBUGOVERLAY: return "ARM_DEBUGOVERLAY";
701 case SHT_ARM_OVERLAYSECTION: return "ARM_OVERLAYSECTION";
706 case SHT_X86_64_UNWIND: return "X86_64_UNWIND";
714 case SHT_MIPS_LIBLIST: return "MIPS_LIBLIST";
715 case SHT_MIPS_MSYM: return "MIPS_MSYM";
716 case SHT_MIPS_CONFLICT: return "MIPS_CONFLICT";
717 case SHT_MIPS_GPTAB: return "MIPS_GPTAB";
718 case SHT_MIPS_UCODE: return "MIPS_UCODE";
719 case SHT_MIPS_DEBUG: return "MIPS_DEBUG";
720 case SHT_MIPS_REGINFO: return "MIPS_REGINFO";
721 case SHT_MIPS_PACKAGE: return "MIPS_PACKAGE";
722 case SHT_MIPS_PACKSYM: return "MIPS_PACKSYM";
723 case SHT_MIPS_RELD: return "MIPS_RELD";
724 case SHT_MIPS_IFACE: return "MIPS_IFACE";
725 case SHT_MIPS_CONTENT: return "MIPS_CONTENT";
726 case SHT_MIPS_OPTIONS: return "MIPS_OPTIONS";
727 case SHT_MIPS_DELTASYM: return "MIPS_DELTASYM";
728 case SHT_MIPS_DELTAINST: return "MIPS_DELTAINST";
729 case SHT_MIPS_DELTACLASS: return "MIPS_DELTACLASS";
730 case SHT_MIPS_DWARF: return "MIPS_DWARF";
731 case SHT_MIPS_DELTADECL: return "MIPS_DELTADECL";
732 case SHT_MIPS_SYMBOL_LIB: return "MIPS_SYMBOL_LIB";
733 case SHT_MIPS_EVENTS: return "MIPS_EVENTS";
734 case SHT_MIPS_TRANSLATE: return "MIPS_TRANSLATE";
735 case SHT_MIPS_PIXIE: return "MIPS_PIXIE";
736 case SHT_MIPS_XLATE: return "MIPS_XLATE";
737 case SHT_MIPS_XLATE_DEBUG: return "MIPS_XLATE_DEBUG";
738 case SHT_MIPS_WHIRL: return "MIPS_WHIRL";
739 case SHT_MIPS_EH_REGION: return "MIPS_EH_REGION";
740 case SHT_MIPS_XLATE_OLD: return "MIPS_XLATE_OLD";
741 case SHT_MIPS_PDR_EXCEPTION: return "MIPS_PDR_EXCEPTION";
742 case SHT_MIPS_ABIFLAGS: return "MIPS_ABIFLAGS";
751 snprintf(s_stype, sizeof(s_stype), "LOPROC+%#x",
757 case SHT_NULL: return "NULL";
758 case SHT_PROGBITS: return "PROGBITS";
759 case SHT_SYMTAB: return "SYMTAB";
760 case SHT_STRTAB: return "STRTAB";
761 case SHT_RELA: return "RELA";
762 case SHT_HASH: return "HASH";
763 case SHT_DYNAMIC: return "DYNAMIC";
764 case SHT_NOTE: return "NOTE";
765 case SHT_NOBITS: return "NOBITS";
766 case SHT_REL: return "REL";
767 case SHT_SHLIB: return "SHLIB";
768 case SHT_DYNSYM: return "DYNSYM";
769 case SHT_INIT_ARRAY: return "INIT_ARRAY";
770 case SHT_FINI_ARRAY: return "FINI_ARRAY";
771 case SHT_PREINIT_ARRAY: return "PREINIT_ARRAY";
772 case SHT_GROUP: return "GROUP";
773 case SHT_SYMTAB_SHNDX: return "SYMTAB_SHNDX";
774 case SHT_SUNW_dof: return "SUNW_dof";
775 case SHT_SUNW_cap: return "SUNW_cap";
776 case SHT_GNU_HASH: return "GNU_HASH";
777 case SHT_SUNW_ANNOTATE: return "SUNW_ANNOTATE";
778 case SHT_SUNW_DEBUGSTR: return "SUNW_DEBUGSTR";
779 case SHT_SUNW_DEBUG: return "SUNW_DEBUG";
780 case SHT_SUNW_move: return "SUNW_move";
781 case SHT_SUNW_COMDAT: return "SUNW_COMDAT";
782 case SHT_SUNW_syminfo: return "SUNW_syminfo";
783 case SHT_SUNW_verdef: return "SUNW_verdef";
784 case SHT_SUNW_verneed: return "SUNW_verneed";
785 case SHT_SUNW_versym: return "SUNW_versym";
787 if (stype >= SHT_LOOS && stype <= SHT_HIOS)
788 snprintf(s_stype, sizeof(s_stype), "LOOS+%#x",
790 else if (stype >= SHT_LOUSER)
791 snprintf(s_stype, sizeof(s_stype), "LOUSER+%#x",
794 snprintf(s_stype, sizeof(s_stype), "<unknown: %#x>",
801 dt_type(unsigned int mach, unsigned int dtype)
803 static char s_dtype[32];
806 case DT_NULL: return "NULL";
807 case DT_NEEDED: return "NEEDED";
808 case DT_PLTRELSZ: return "PLTRELSZ";
809 case DT_PLTGOT: return "PLTGOT";
810 case DT_HASH: return "HASH";
811 case DT_STRTAB: return "STRTAB";
812 case DT_SYMTAB: return "SYMTAB";
813 case DT_RELA: return "RELA";
814 case DT_RELASZ: return "RELASZ";
815 case DT_RELAENT: return "RELAENT";
816 case DT_STRSZ: return "STRSZ";
817 case DT_SYMENT: return "SYMENT";
818 case DT_INIT: return "INIT";
819 case DT_FINI: return "FINI";
820 case DT_SONAME: return "SONAME";
821 case DT_RPATH: return "RPATH";
822 case DT_SYMBOLIC: return "SYMBOLIC";
823 case DT_REL: return "REL";
824 case DT_RELSZ: return "RELSZ";
825 case DT_RELENT: return "RELENT";
826 case DT_PLTREL: return "PLTREL";
827 case DT_DEBUG: return "DEBUG";
828 case DT_TEXTREL: return "TEXTREL";
829 case DT_JMPREL: return "JMPREL";
830 case DT_BIND_NOW: return "BIND_NOW";
831 case DT_INIT_ARRAY: return "INIT_ARRAY";
832 case DT_FINI_ARRAY: return "FINI_ARRAY";
833 case DT_INIT_ARRAYSZ: return "INIT_ARRAYSZ";
834 case DT_FINI_ARRAYSZ: return "FINI_ARRAYSZ";
835 case DT_RUNPATH: return "RUNPATH";
836 case DT_FLAGS: return "FLAGS";
837 case DT_PREINIT_ARRAY: return "PREINIT_ARRAY";
838 case DT_PREINIT_ARRAYSZ: return "PREINIT_ARRAYSZ";
839 case DT_MAXPOSTAGS: return "MAXPOSTAGS";
840 case DT_SUNW_AUXILIARY: return "SUNW_AUXILIARY";
841 case DT_SUNW_RTLDINF: return "SUNW_RTLDINF";
842 case DT_SUNW_FILTER: return "SUNW_FILTER";
843 case DT_SUNW_CAP: return "SUNW_CAP";
844 case DT_SUNW_ASLR: return "SUNW_ASLR";
845 case DT_CHECKSUM: return "CHECKSUM";
846 case DT_PLTPADSZ: return "PLTPADSZ";
847 case DT_MOVEENT: return "MOVEENT";
848 case DT_MOVESZ: return "MOVESZ";
849 case DT_FEATURE: return "FEATURE";
850 case DT_POSFLAG_1: return "POSFLAG_1";
851 case DT_SYMINSZ: return "SYMINSZ";
852 case DT_SYMINENT: return "SYMINENT";
853 case DT_GNU_HASH: return "GNU_HASH";
854 case DT_TLSDESC_PLT: return "DT_TLSDESC_PLT";
855 case DT_TLSDESC_GOT: return "DT_TLSDESC_GOT";
856 case DT_GNU_CONFLICT: return "GNU_CONFLICT";
857 case DT_GNU_LIBLIST: return "GNU_LIBLIST";
858 case DT_CONFIG: return "CONFIG";
859 case DT_DEPAUDIT: return "DEPAUDIT";
860 case DT_AUDIT: return "AUDIT";
861 case DT_PLTPAD: return "PLTPAD";
862 case DT_MOVETAB: return "MOVETAB";
863 case DT_SYMINFO: return "SYMINFO";
864 case DT_VERSYM: return "VERSYM";
865 case DT_RELACOUNT: return "RELACOUNT";
866 case DT_RELCOUNT: return "RELCOUNT";
867 case DT_FLAGS_1: return "FLAGS_1";
868 case DT_VERDEF: return "VERDEF";
869 case DT_VERDEFNUM: return "VERDEFNUM";
870 case DT_VERNEED: return "VERNEED";
871 case DT_VERNEEDNUM: return "VERNEEDNUM";
872 case DT_AUXILIARY: return "AUXILIARY";
873 case DT_USED: return "USED";
874 case DT_FILTER: return "FILTER";
875 case DT_GNU_PRELINKED: return "GNU_PRELINKED";
876 case DT_GNU_CONFLICTSZ: return "GNU_CONFLICTSZ";
877 case DT_GNU_LIBLISTSZ: return "GNU_LIBLISTSZ";
880 if (dtype >= DT_LOPROC && dtype <= DT_HIPROC) {
884 case DT_ARM_SYMTABSZ:
885 return "ARM_SYMTABSZ";
893 case DT_MIPS_RLD_VERSION:
894 return "MIPS_RLD_VERSION";
895 case DT_MIPS_TIME_STAMP:
896 return "MIPS_TIME_STAMP";
897 case DT_MIPS_ICHECKSUM:
898 return "MIPS_ICHECKSUM";
899 case DT_MIPS_IVERSION:
900 return "MIPS_IVERSION";
903 case DT_MIPS_BASE_ADDRESS:
904 return "MIPS_BASE_ADDRESS";
905 case DT_MIPS_CONFLICT:
906 return "MIPS_CONFLICT";
907 case DT_MIPS_LIBLIST:
908 return "MIPS_LIBLIST";
909 case DT_MIPS_LOCAL_GOTNO:
910 return "MIPS_LOCAL_GOTNO";
911 case DT_MIPS_CONFLICTNO:
912 return "MIPS_CONFLICTNO";
913 case DT_MIPS_LIBLISTNO:
914 return "MIPS_LIBLISTNO";
915 case DT_MIPS_SYMTABNO:
916 return "MIPS_SYMTABNO";
917 case DT_MIPS_UNREFEXTNO:
918 return "MIPS_UNREFEXTNO";
920 return "MIPS_GOTSYM";
921 case DT_MIPS_HIPAGENO:
922 return "MIPS_HIPAGENO";
923 case DT_MIPS_RLD_MAP:
924 return "MIPS_RLD_MAP";
925 case DT_MIPS_DELTA_CLASS:
926 return "MIPS_DELTA_CLASS";
927 case DT_MIPS_DELTA_CLASS_NO:
928 return "MIPS_DELTA_CLASS_NO";
929 case DT_MIPS_DELTA_INSTANCE:
930 return "MIPS_DELTA_INSTANCE";
931 case DT_MIPS_DELTA_INSTANCE_NO:
932 return "MIPS_DELTA_INSTANCE_NO";
933 case DT_MIPS_DELTA_RELOC:
934 return "MIPS_DELTA_RELOC";
935 case DT_MIPS_DELTA_RELOC_NO:
936 return "MIPS_DELTA_RELOC_NO";
937 case DT_MIPS_DELTA_SYM:
938 return "MIPS_DELTA_SYM";
939 case DT_MIPS_DELTA_SYM_NO:
940 return "MIPS_DELTA_SYM_NO";
941 case DT_MIPS_DELTA_CLASSSYM:
942 return "MIPS_DELTA_CLASSSYM";
943 case DT_MIPS_DELTA_CLASSSYM_NO:
944 return "MIPS_DELTA_CLASSSYM_NO";
945 case DT_MIPS_CXX_FLAGS:
946 return "MIPS_CXX_FLAGS";
947 case DT_MIPS_PIXIE_INIT:
948 return "MIPS_PIXIE_INIT";
949 case DT_MIPS_SYMBOL_LIB:
950 return "MIPS_SYMBOL_LIB";
951 case DT_MIPS_LOCALPAGE_GOTIDX:
952 return "MIPS_LOCALPAGE_GOTIDX";
953 case DT_MIPS_LOCAL_GOTIDX:
954 return "MIPS_LOCAL_GOTIDX";
955 case DT_MIPS_HIDDEN_GOTIDX:
956 return "MIPS_HIDDEN_GOTIDX";
957 case DT_MIPS_PROTECTED_GOTIDX:
958 return "MIPS_PROTECTED_GOTIDX";
959 case DT_MIPS_OPTIONS:
960 return "MIPS_OPTIONS";
961 case DT_MIPS_INTERFACE:
962 return "MIPS_INTERFACE";
963 case DT_MIPS_DYNSTR_ALIGN:
964 return "MIPS_DYNSTR_ALIGN";
965 case DT_MIPS_INTERFACE_SIZE:
966 return "MIPS_INTERFACE_SIZE";
967 case DT_MIPS_RLD_TEXT_RESOLVE_ADDR:
968 return "MIPS_RLD_TEXT_RESOLVE_ADDR";
969 case DT_MIPS_PERF_SUFFIX:
970 return "MIPS_PERF_SUFFIX";
971 case DT_MIPS_COMPACT_SIZE:
972 return "MIPS_COMPACT_SIZE";
973 case DT_MIPS_GP_VALUE:
974 return "MIPS_GP_VALUE";
975 case DT_MIPS_AUX_DYNAMIC:
976 return "MIPS_AUX_DYNAMIC";
978 return "MIPS_PLTGOT";
979 case DT_MIPS_RLD_OBJ_UPDATE:
980 return "MIPS_RLD_OBJ_UPDATE";
991 case DT_SPARC_REGISTER:
992 return "DT_SPARC_REGISTER";
1002 snprintf(s_dtype, sizeof(s_dtype), "<unknown: %#x>", dtype);
1007 st_bind(unsigned int sbind)
1009 static char s_sbind[32];
1012 case STB_LOCAL: return "LOCAL";
1013 case STB_GLOBAL: return "GLOBAL";
1014 case STB_WEAK: return "WEAK";
1015 case STB_GNU_UNIQUE: return "UNIQUE";
1017 if (sbind >= STB_LOOS && sbind <= STB_HIOS)
1019 else if (sbind >= STB_LOPROC && sbind <= STB_HIPROC)
1022 snprintf(s_sbind, sizeof(s_sbind), "<unknown: %#x>",
1029 st_type(unsigned int mach, unsigned int os, unsigned int stype)
1031 static char s_stype[32];
1034 case STT_NOTYPE: return "NOTYPE";
1035 case STT_OBJECT: return "OBJECT";
1036 case STT_FUNC: return "FUNC";
1037 case STT_SECTION: return "SECTION";
1038 case STT_FILE: return "FILE";
1039 case STT_COMMON: return "COMMON";
1040 case STT_TLS: return "TLS";
1042 if (stype >= STT_LOOS && stype <= STT_HIOS) {
1043 if ((os == ELFOSABI_GNU || os == ELFOSABI_FREEBSD) &&
1044 stype == STT_GNU_IFUNC)
1046 snprintf(s_stype, sizeof(s_stype), "OS+%#x",
1048 } else if (stype >= STT_LOPROC && stype <= STT_HIPROC) {
1049 if (mach == EM_SPARCV9 && stype == STT_SPARC_REGISTER)
1051 snprintf(s_stype, sizeof(s_stype), "PROC+%#x",
1052 stype - STT_LOPROC);
1054 snprintf(s_stype, sizeof(s_stype), "<unknown: %#x>",
1061 st_vis(unsigned int svis)
1063 static char s_svis[32];
1066 case STV_DEFAULT: return "DEFAULT";
1067 case STV_INTERNAL: return "INTERNAL";
1068 case STV_HIDDEN: return "HIDDEN";
1069 case STV_PROTECTED: return "PROTECTED";
1071 snprintf(s_svis, sizeof(s_svis), "<unknown: %#x>", svis);
1077 st_shndx(unsigned int shndx)
1079 static char s_shndx[32];
1082 case SHN_UNDEF: return "UND";
1083 case SHN_ABS: return "ABS";
1084 case SHN_COMMON: return "COM";
1086 if (shndx >= SHN_LOPROC && shndx <= SHN_HIPROC)
1088 else if (shndx >= SHN_LOOS && shndx <= SHN_HIOS)
1091 snprintf(s_shndx, sizeof(s_shndx), "%u", shndx);
1100 } section_flag[] = {
1101 {"WRITE", 'W', SHF_WRITE},
1102 {"ALLOC", 'A', SHF_ALLOC},
1103 {"EXEC", 'X', SHF_EXECINSTR},
1104 {"MERGE", 'M', SHF_MERGE},
1105 {"STRINGS", 'S', SHF_STRINGS},
1106 {"INFO LINK", 'I', SHF_INFO_LINK},
1107 {"OS NONCONF", 'O', SHF_OS_NONCONFORMING},
1108 {"GROUP", 'G', SHF_GROUP},
1109 {"TLS", 'T', SHF_TLS},
1110 {"COMPRESSED", 'C', SHF_COMPRESSED},
1115 note_type(const char *name, unsigned int et, unsigned int nt)
1117 if ((strcmp(name, "CORE") == 0 || strcmp(name, "LINUX") == 0) &&
1119 return note_type_linux_core(nt);
1120 else if (strcmp(name, "FreeBSD") == 0)
1122 return note_type_freebsd_core(nt);
1124 return note_type_freebsd(nt);
1125 else if (strcmp(name, "GNU") == 0 && et != ET_CORE)
1126 return note_type_gnu(nt);
1127 else if (strcmp(name, "NetBSD") == 0 && et != ET_CORE)
1128 return note_type_netbsd(nt);
1129 else if (strcmp(name, "OpenBSD") == 0 && et != ET_CORE)
1130 return note_type_openbsd(nt);
1131 else if (strcmp(name, "Xen") == 0 && et != ET_CORE)
1132 return note_type_xen(nt);
1133 return note_type_unknown(nt);
1137 note_type_freebsd(unsigned int nt)
1140 case 1: return "NT_FREEBSD_ABI_TAG";
1141 case 2: return "NT_FREEBSD_NOINIT_TAG";
1142 case 3: return "NT_FREEBSD_ARCH_TAG";
1143 case 4: return "NT_FREEBSD_FEATURE_CTL";
1144 default: return (note_type_unknown(nt));
1149 note_type_freebsd_core(unsigned int nt)
1152 case 1: return "NT_PRSTATUS";
1153 case 2: return "NT_FPREGSET";
1154 case 3: return "NT_PRPSINFO";
1155 case 7: return "NT_THRMISC";
1156 case 8: return "NT_PROCSTAT_PROC";
1157 case 9: return "NT_PROCSTAT_FILES";
1158 case 10: return "NT_PROCSTAT_VMMAP";
1159 case 11: return "NT_PROCSTAT_GROUPS";
1160 case 12: return "NT_PROCSTAT_UMASK";
1161 case 13: return "NT_PROCSTAT_RLIMIT";
1162 case 14: return "NT_PROCSTAT_OSREL";
1163 case 15: return "NT_PROCSTAT_PSSTRINGS";
1164 case 16: return "NT_PROCSTAT_AUXV";
1165 case 17: return "NT_PTLWPINFO";
1166 case 0x202: return "NT_X86_XSTATE (x86 XSAVE extended state)";
1167 case 0x400: return "NT_ARM_VFP (arm VFP registers)";
1168 default: return (note_type_unknown(nt));
1173 note_type_linux_core(unsigned int nt)
1176 case 1: return "NT_PRSTATUS (Process status)";
1177 case 2: return "NT_FPREGSET (Floating point information)";
1178 case 3: return "NT_PRPSINFO (Process information)";
1179 case 4: return "NT_TASKSTRUCT (Task structure)";
1180 case 6: return "NT_AUXV (Auxiliary vector)";
1181 case 10: return "NT_PSTATUS (Linux process status)";
1182 case 12: return "NT_FPREGS (Linux floating point regset)";
1183 case 13: return "NT_PSINFO (Linux process information)";
1184 case 16: return "NT_LWPSTATUS (Linux lwpstatus_t type)";
1185 case 17: return "NT_LWPSINFO (Linux lwpinfo_t type)";
1186 case 18: return "NT_WIN32PSTATUS (win32_pstatus structure)";
1187 case 0x100: return "NT_PPC_VMX (ppc Altivec registers)";
1188 case 0x102: return "NT_PPC_VSX (ppc VSX registers)";
1189 case 0x202: return "NT_X86_XSTATE (x86 XSAVE extended state)";
1190 case 0x300: return "NT_S390_HIGH_GPRS (s390 upper register halves)";
1191 case 0x301: return "NT_S390_TIMER (s390 timer register)";
1192 case 0x302: return "NT_S390_TODCMP (s390 TOD comparator register)";
1193 case 0x303: return "NT_S390_TODPREG (s390 TOD programmable register)";
1194 case 0x304: return "NT_S390_CTRS (s390 control registers)";
1195 case 0x305: return "NT_S390_PREFIX (s390 prefix register)";
1196 case 0x400: return "NT_ARM_VFP (arm VFP registers)";
1197 case 0x46494c45UL: return "NT_FILE (mapped files)";
1198 case 0x46E62B7FUL: return "NT_PRXFPREG (Linux user_xfpregs structure)";
1199 case 0x53494749UL: return "NT_SIGINFO (siginfo_t data)";
1200 default: return (note_type_unknown(nt));
1205 note_type_gnu(unsigned int nt)
1208 case 1: return "NT_GNU_ABI_TAG";
1209 case 2: return "NT_GNU_HWCAP (Hardware capabilities)";
1210 case 3: return "NT_GNU_BUILD_ID (Build id set by ld(1))";
1211 case 4: return "NT_GNU_GOLD_VERSION (GNU gold version)";
1212 case 5: return "NT_GNU_PROPERTY_TYPE_0";
1213 default: return (note_type_unknown(nt));
1218 note_type_netbsd(unsigned int nt)
1221 case 1: return "NT_NETBSD_IDENT";
1222 default: return (note_type_unknown(nt));
1227 note_type_openbsd(unsigned int nt)
1230 case 1: return "NT_OPENBSD_IDENT";
1231 default: return (note_type_unknown(nt));
1236 note_type_unknown(unsigned int nt)
1238 static char s_nt[32];
1240 snprintf(s_nt, sizeof(s_nt),
1241 nt >= 0x100 ? "<unknown: 0x%x>" : "<unknown: %u>", nt);
1246 note_type_xen(unsigned int nt)
1249 case 0: return "XEN_ELFNOTE_INFO";
1250 case 1: return "XEN_ELFNOTE_ENTRY";
1251 case 2: return "XEN_ELFNOTE_HYPERCALL_PAGE";
1252 case 3: return "XEN_ELFNOTE_VIRT_BASE";
1253 case 4: return "XEN_ELFNOTE_PADDR_OFFSET";
1254 case 5: return "XEN_ELFNOTE_XEN_VERSION";
1255 case 6: return "XEN_ELFNOTE_GUEST_OS";
1256 case 7: return "XEN_ELFNOTE_GUEST_VERSION";
1257 case 8: return "XEN_ELFNOTE_LOADER";
1258 case 9: return "XEN_ELFNOTE_PAE_MODE";
1259 case 10: return "XEN_ELFNOTE_FEATURES";
1260 case 11: return "XEN_ELFNOTE_BSD_SYMTAB";
1261 case 12: return "XEN_ELFNOTE_HV_START_LOW";
1262 case 13: return "XEN_ELFNOTE_L1_MFN_VALID";
1263 case 14: return "XEN_ELFNOTE_SUSPEND_CANCEL";
1264 case 15: return "XEN_ELFNOTE_INIT_P2M";
1265 case 16: return "XEN_ELFNOTE_MOD_START_PFN";
1266 case 17: return "XEN_ELFNOTE_SUPPORTED_FEATURES";
1267 default: return (note_type_unknown(nt));
1275 {"EXACT_MATCH", LL_EXACT_MATCH},
1276 {"IGNORE_INT_VER", LL_IGNORE_INT_VER},
1277 {"REQUIRE_MINOR", LL_REQUIRE_MINOR},
1278 {"EXPORTS", LL_EXPORTS},
1279 {"DELAY_LOAD", LL_DELAY_LOAD},
1280 {"DELTA", LL_DELTA},
1284 static struct mips_option mips_exceptions_option[] = {
1285 {OEX_PAGE0, "PAGE0"},
1287 {OEX_PRECISEFP, "PRECISEFP"},
1288 {OEX_DISMISS, "DISMISS"},
1292 static struct mips_option mips_pad_option[] = {
1293 {OPAD_PREFIX, "PREFIX"},
1294 {OPAD_POSTFIX, "POSTFIX"},
1295 {OPAD_SYMBOL, "SYMBOL"},
1299 static struct mips_option mips_hwpatch_option[] = {
1300 {OHW_R4KEOP, "R4KEOP"},
1301 {OHW_R8KPFETCH, "R8KPFETCH"},
1302 {OHW_R5KEOP, "R5KEOP"},
1303 {OHW_R5KCVTL, "R5KCVTL"},
1307 static struct mips_option mips_hwa_option[] = {
1308 {OHWA0_R4KEOP_CHECKED, "R4KEOP_CHECKED"},
1309 {OHWA0_R4KEOP_CLEAN, "R4KEOP_CLEAN"},
1313 static struct mips_option mips_hwo_option[] = {
1314 {OHWO0_FIXADE, "FIXADE"},
1319 option_kind(uint8_t kind)
1321 static char s_kind[32];
1324 case ODK_NULL: return "NULL";
1325 case ODK_REGINFO: return "REGINFO";
1326 case ODK_EXCEPTIONS: return "EXCEPTIONS";
1327 case ODK_PAD: return "PAD";
1328 case ODK_HWPATCH: return "HWPATCH";
1329 case ODK_FILL: return "FILL";
1330 case ODK_TAGS: return "TAGS";
1331 case ODK_HWAND: return "HWAND";
1332 case ODK_HWOR: return "HWOR";
1333 case ODK_GP_GROUP: return "GP_GROUP";
1334 case ODK_IDENT: return "IDENT";
1336 snprintf(s_kind, sizeof(s_kind), "<unknown: %u>", kind);
1342 top_tag(unsigned int tag)
1344 static char s_top_tag[32];
1347 case 1: return "File Attributes";
1348 case 2: return "Section Attributes";
1349 case 3: return "Symbol Attributes";
1351 snprintf(s_top_tag, sizeof(s_top_tag), "Unknown tag: %u", tag);
1357 aeabi_cpu_arch(uint64_t arch)
1359 static char s_cpu_arch[32];
1362 case 0: return "Pre-V4";
1363 case 1: return "ARM v4";
1364 case 2: return "ARM v4T";
1365 case 3: return "ARM v5T";
1366 case 4: return "ARM v5TE";
1367 case 5: return "ARM v5TEJ";
1368 case 6: return "ARM v6";
1369 case 7: return "ARM v6KZ";
1370 case 8: return "ARM v6T2";
1371 case 9: return "ARM v6K";
1372 case 10: return "ARM v7";
1373 case 11: return "ARM v6-M";
1374 case 12: return "ARM v6S-M";
1375 case 13: return "ARM v7E-M";
1377 snprintf(s_cpu_arch, sizeof(s_cpu_arch),
1378 "Unknown (%ju)", (uintmax_t) arch);
1379 return (s_cpu_arch);
1384 aeabi_cpu_arch_profile(uint64_t pf)
1386 static char s_arch_profile[32];
1390 return "Not applicable";
1391 case 0x41: /* 'A' */
1392 return "Application Profile";
1393 case 0x52: /* 'R' */
1394 return "Real-Time Profile";
1395 case 0x4D: /* 'M' */
1396 return "Microcontroller Profile";
1397 case 0x53: /* 'S' */
1398 return "Application or Real-Time Profile";
1400 snprintf(s_arch_profile, sizeof(s_arch_profile),
1401 "Unknown (%ju)\n", (uintmax_t) pf);
1402 return (s_arch_profile);
1407 aeabi_arm_isa(uint64_t ai)
1409 static char s_ai[32];
1412 case 0: return "No";
1413 case 1: return "Yes";
1415 snprintf(s_ai, sizeof(s_ai), "Unknown (%ju)\n",
1422 aeabi_thumb_isa(uint64_t ti)
1424 static char s_ti[32];
1427 case 0: return "No";
1428 case 1: return "16-bit Thumb";
1429 case 2: return "32-bit Thumb";
1431 snprintf(s_ti, sizeof(s_ti), "Unknown (%ju)\n",
1438 aeabi_fp_arch(uint64_t fp)
1440 static char s_fp_arch[32];
1443 case 0: return "No";
1444 case 1: return "VFPv1";
1445 case 2: return "VFPv2";
1446 case 3: return "VFPv3";
1447 case 4: return "VFPv3-D16";
1448 case 5: return "VFPv4";
1449 case 6: return "VFPv4-D16";
1451 snprintf(s_fp_arch, sizeof(s_fp_arch), "Unknown (%ju)",
1458 aeabi_wmmx_arch(uint64_t wmmx)
1460 static char s_wmmx[32];
1463 case 0: return "No";
1464 case 1: return "WMMXv1";
1465 case 2: return "WMMXv2";
1467 snprintf(s_wmmx, sizeof(s_wmmx), "Unknown (%ju)",
1474 aeabi_adv_simd_arch(uint64_t simd)
1476 static char s_simd[32];
1479 case 0: return "No";
1480 case 1: return "NEONv1";
1481 case 2: return "NEONv2";
1483 snprintf(s_simd, sizeof(s_simd), "Unknown (%ju)",
1490 aeabi_pcs_config(uint64_t pcs)
1492 static char s_pcs[32];
1495 case 0: return "None";
1496 case 1: return "Bare platform";
1497 case 2: return "Linux";
1498 case 3: return "Linux DSO";
1499 case 4: return "Palm OS 2004";
1500 case 5: return "Palm OS (future)";
1501 case 6: return "Symbian OS 2004";
1502 case 7: return "Symbian OS (future)";
1504 snprintf(s_pcs, sizeof(s_pcs), "Unknown (%ju)",
1511 aeabi_pcs_r9(uint64_t r9)
1513 static char s_r9[32];
1516 case 0: return "V6";
1517 case 1: return "SB";
1518 case 2: return "TLS pointer";
1519 case 3: return "Unused";
1521 snprintf(s_r9, sizeof(s_r9), "Unknown (%ju)", (uintmax_t) r9);
1527 aeabi_pcs_rw(uint64_t rw)
1529 static char s_rw[32];
1532 case 0: return "Absolute";
1533 case 1: return "PC-relative";
1534 case 2: return "SB-relative";
1535 case 3: return "None";
1537 snprintf(s_rw, sizeof(s_rw), "Unknown (%ju)", (uintmax_t) rw);
1543 aeabi_pcs_ro(uint64_t ro)
1545 static char s_ro[32];
1548 case 0: return "Absolute";
1549 case 1: return "PC-relative";
1550 case 2: return "None";
1552 snprintf(s_ro, sizeof(s_ro), "Unknown (%ju)", (uintmax_t) ro);
1558 aeabi_pcs_got(uint64_t got)
1560 static char s_got[32];
1563 case 0: return "None";
1564 case 1: return "direct";
1565 case 2: return "indirect via GOT";
1567 snprintf(s_got, sizeof(s_got), "Unknown (%ju)",
1574 aeabi_pcs_wchar_t(uint64_t wt)
1576 static char s_wt[32];
1579 case 0: return "None";
1580 case 2: return "wchar_t size 2";
1581 case 4: return "wchar_t size 4";
1583 snprintf(s_wt, sizeof(s_wt), "Unknown (%ju)", (uintmax_t) wt);
1589 aeabi_enum_size(uint64_t es)
1591 static char s_es[32];
1594 case 0: return "None";
1595 case 1: return "smallest";
1596 case 2: return "32-bit";
1597 case 3: return "visible 32-bit";
1599 snprintf(s_es, sizeof(s_es), "Unknown (%ju)", (uintmax_t) es);
1605 aeabi_align_needed(uint64_t an)
1607 static char s_align_n[64];
1610 case 0: return "No";
1611 case 1: return "8-byte align";
1612 case 2: return "4-byte align";
1613 case 3: return "Reserved";
1615 if (an >= 4 && an <= 12)
1616 snprintf(s_align_n, sizeof(s_align_n), "8-byte align"
1617 " and up to 2^%ju-byte extended align",
1620 snprintf(s_align_n, sizeof(s_align_n), "Unknown (%ju)",
1627 aeabi_align_preserved(uint64_t ap)
1629 static char s_align_p[128];
1632 case 0: return "No";
1633 case 1: return "8-byte align";
1634 case 2: return "8-byte align and SP % 8 == 0";
1635 case 3: return "Reserved";
1637 if (ap >= 4 && ap <= 12)
1638 snprintf(s_align_p, sizeof(s_align_p), "8-byte align"
1639 " and SP %% 8 == 0 and up to 2^%ju-byte extended"
1640 " align", (uintmax_t) ap);
1642 snprintf(s_align_p, sizeof(s_align_p), "Unknown (%ju)",
1649 aeabi_fp_rounding(uint64_t fr)
1651 static char s_fp_r[32];
1654 case 0: return "Unused";
1655 case 1: return "Needed";
1657 snprintf(s_fp_r, sizeof(s_fp_r), "Unknown (%ju)",
1664 aeabi_fp_denormal(uint64_t fd)
1666 static char s_fp_d[32];
1669 case 0: return "Unused";
1670 case 1: return "Needed";
1671 case 2: return "Sign Only";
1673 snprintf(s_fp_d, sizeof(s_fp_d), "Unknown (%ju)",
1680 aeabi_fp_exceptions(uint64_t fe)
1682 static char s_fp_e[32];
1685 case 0: return "Unused";
1686 case 1: return "Needed";
1688 snprintf(s_fp_e, sizeof(s_fp_e), "Unknown (%ju)",
1695 aeabi_fp_user_exceptions(uint64_t fu)
1697 static char s_fp_u[32];
1700 case 0: return "Unused";
1701 case 1: return "Needed";
1703 snprintf(s_fp_u, sizeof(s_fp_u), "Unknown (%ju)",
1710 aeabi_fp_number_model(uint64_t fn)
1712 static char s_fp_n[32];
1715 case 0: return "Unused";
1716 case 1: return "IEEE 754 normal";
1717 case 2: return "RTABI";
1718 case 3: return "IEEE 754";
1720 snprintf(s_fp_n, sizeof(s_fp_n), "Unknown (%ju)",
1727 aeabi_fp_16bit_format(uint64_t fp16)
1729 static char s_fp_16[64];
1732 case 0: return "None";
1733 case 1: return "IEEE 754";
1734 case 2: return "VFPv3/Advanced SIMD (alternative format)";
1736 snprintf(s_fp_16, sizeof(s_fp_16), "Unknown (%ju)",
1743 aeabi_mpext(uint64_t mp)
1745 static char s_mp[32];
1748 case 0: return "Not allowed";
1749 case 1: return "Allowed";
1751 snprintf(s_mp, sizeof(s_mp), "Unknown (%ju)",
1758 aeabi_div(uint64_t du)
1760 static char s_du[32];
1763 case 0: return "Yes (V7-R/V7-M)";
1764 case 1: return "No";
1765 case 2: return "Yes (V7-A)";
1767 snprintf(s_du, sizeof(s_du), "Unknown (%ju)",
1774 aeabi_t2ee(uint64_t t2ee)
1776 static char s_t2ee[32];
1779 case 0: return "Not allowed";
1780 case 1: return "Allowed";
1782 snprintf(s_t2ee, sizeof(s_t2ee), "Unknown(%ju)",
1790 aeabi_hardfp(uint64_t hfp)
1792 static char s_hfp[32];
1795 case 0: return "Tag_FP_arch";
1796 case 1: return "only SP";
1797 case 2: return "only DP";
1798 case 3: return "both SP and DP";
1800 snprintf(s_hfp, sizeof(s_hfp), "Unknown (%ju)",
1807 aeabi_vfp_args(uint64_t va)
1809 static char s_va[32];
1812 case 0: return "AAPCS (base variant)";
1813 case 1: return "AAPCS (VFP variant)";
1814 case 2: return "toolchain-specific";
1816 snprintf(s_va, sizeof(s_va), "Unknown (%ju)", (uintmax_t) va);
1822 aeabi_wmmx_args(uint64_t wa)
1824 static char s_wa[32];
1827 case 0: return "AAPCS (base variant)";
1828 case 1: return "Intel WMMX";
1829 case 2: return "toolchain-specific";
1831 snprintf(s_wa, sizeof(s_wa), "Unknown(%ju)", (uintmax_t) wa);
1837 aeabi_unaligned_access(uint64_t ua)
1839 static char s_ua[32];
1842 case 0: return "Not allowed";
1843 case 1: return "Allowed";
1845 snprintf(s_ua, sizeof(s_ua), "Unknown(%ju)", (uintmax_t) ua);
1851 aeabi_fp_hpext(uint64_t fh)
1853 static char s_fh[32];
1856 case 0: return "Not allowed";
1857 case 1: return "Allowed";
1859 snprintf(s_fh, sizeof(s_fh), "Unknown(%ju)", (uintmax_t) fh);
1865 aeabi_optm_goal(uint64_t og)
1867 static char s_og[32];
1870 case 0: return "None";
1871 case 1: return "Speed";
1872 case 2: return "Speed aggressive";
1873 case 3: return "Space";
1874 case 4: return "Space aggressive";
1875 case 5: return "Debugging";
1876 case 6: return "Best Debugging";
1878 snprintf(s_og, sizeof(s_og), "Unknown(%ju)", (uintmax_t) og);
1884 aeabi_fp_optm_goal(uint64_t fog)
1886 static char s_fog[32];
1889 case 0: return "None";
1890 case 1: return "Speed";
1891 case 2: return "Speed aggressive";
1892 case 3: return "Space";
1893 case 4: return "Space aggressive";
1894 case 5: return "Accurary";
1895 case 6: return "Best Accurary";
1897 snprintf(s_fog, sizeof(s_fog), "Unknown(%ju)",
1904 aeabi_virtual(uint64_t vt)
1906 static char s_virtual[64];
1909 case 0: return "No";
1910 case 1: return "TrustZone";
1911 case 2: return "Virtualization extension";
1912 case 3: return "TrustZone and virtualization extension";
1914 snprintf(s_virtual, sizeof(s_virtual), "Unknown(%ju)",
1923 const char *(*get_desc)(uint64_t val);
1925 {4, "Tag_CPU_raw_name", NULL},
1926 {5, "Tag_CPU_name", NULL},
1927 {6, "Tag_CPU_arch", aeabi_cpu_arch},
1928 {7, "Tag_CPU_arch_profile", aeabi_cpu_arch_profile},
1929 {8, "Tag_ARM_ISA_use", aeabi_arm_isa},
1930 {9, "Tag_THUMB_ISA_use", aeabi_thumb_isa},
1931 {10, "Tag_FP_arch", aeabi_fp_arch},
1932 {11, "Tag_WMMX_arch", aeabi_wmmx_arch},
1933 {12, "Tag_Advanced_SIMD_arch", aeabi_adv_simd_arch},
1934 {13, "Tag_PCS_config", aeabi_pcs_config},
1935 {14, "Tag_ABI_PCS_R9_use", aeabi_pcs_r9},
1936 {15, "Tag_ABI_PCS_RW_data", aeabi_pcs_rw},
1937 {16, "Tag_ABI_PCS_RO_data", aeabi_pcs_ro},
1938 {17, "Tag_ABI_PCS_GOT_use", aeabi_pcs_got},
1939 {18, "Tag_ABI_PCS_wchar_t", aeabi_pcs_wchar_t},
1940 {19, "Tag_ABI_FP_rounding", aeabi_fp_rounding},
1941 {20, "Tag_ABI_FP_denormal", aeabi_fp_denormal},
1942 {21, "Tag_ABI_FP_exceptions", aeabi_fp_exceptions},
1943 {22, "Tag_ABI_FP_user_exceptions", aeabi_fp_user_exceptions},
1944 {23, "Tag_ABI_FP_number_model", aeabi_fp_number_model},
1945 {24, "Tag_ABI_align_needed", aeabi_align_needed},
1946 {25, "Tag_ABI_align_preserved", aeabi_align_preserved},
1947 {26, "Tag_ABI_enum_size", aeabi_enum_size},
1948 {27, "Tag_ABI_HardFP_use", aeabi_hardfp},
1949 {28, "Tag_ABI_VFP_args", aeabi_vfp_args},
1950 {29, "Tag_ABI_WMMX_args", aeabi_wmmx_args},
1951 {30, "Tag_ABI_optimization_goals", aeabi_optm_goal},
1952 {31, "Tag_ABI_FP_optimization_goals", aeabi_fp_optm_goal},
1953 {32, "Tag_compatibility", NULL},
1954 {34, "Tag_CPU_unaligned_access", aeabi_unaligned_access},
1955 {36, "Tag_FP_HP_extension", aeabi_fp_hpext},
1956 {38, "Tag_ABI_FP_16bit_format", aeabi_fp_16bit_format},
1957 {42, "Tag_MPextension_use", aeabi_mpext},
1958 {44, "Tag_DIV_use", aeabi_div},
1959 {64, "Tag_nodefaults", NULL},
1960 {65, "Tag_also_compatible_with", NULL},
1961 {66, "Tag_T2EE_use", aeabi_t2ee},
1962 {67, "Tag_conformance", NULL},
1963 {68, "Tag_Virtualization_use", aeabi_virtual},
1964 {70, "Tag_MPextension_use", aeabi_mpext},
1968 mips_abi_fp(uint64_t fp)
1970 static char s_mips_abi_fp[64];
1973 case 0: return "N/A";
1974 case 1: return "Hard float (double precision)";
1975 case 2: return "Hard float (single precision)";
1976 case 3: return "Soft float";
1977 case 4: return "64-bit float (-mips32r2 -mfp64)";
1979 snprintf(s_mips_abi_fp, sizeof(s_mips_abi_fp), "Unknown(%ju)",
1981 return (s_mips_abi_fp);
1986 ppc_abi_fp(uint64_t fp)
1988 static char s_ppc_abi_fp[64];
1991 case 0: return "N/A";
1992 case 1: return "Hard float (double precision)";
1993 case 2: return "Soft float";
1994 case 3: return "Hard float (single precision)";
1996 snprintf(s_ppc_abi_fp, sizeof(s_ppc_abi_fp), "Unknown(%ju)",
1998 return (s_ppc_abi_fp);
2003 ppc_abi_vector(uint64_t vec)
2005 static char s_vec[64];
2008 case 0: return "N/A";
2009 case 1: return "Generic purpose registers";
2010 case 2: return "AltiVec registers";
2011 case 3: return "SPE registers";
2013 snprintf(s_vec, sizeof(s_vec), "Unknown(%ju)", (uintmax_t) vec);
2019 dwarf_reg(unsigned int mach, unsigned int reg)
2026 case 0: return "eax";
2027 case 1: return "ecx";
2028 case 2: return "edx";
2029 case 3: return "ebx";
2030 case 4: return "esp";
2031 case 5: return "ebp";
2032 case 6: return "esi";
2033 case 7: return "edi";
2034 case 8: return "eip";
2035 case 9: return "eflags";
2036 case 11: return "st0";
2037 case 12: return "st1";
2038 case 13: return "st2";
2039 case 14: return "st3";
2040 case 15: return "st4";
2041 case 16: return "st5";
2042 case 17: return "st6";
2043 case 18: return "st7";
2044 case 21: return "xmm0";
2045 case 22: return "xmm1";
2046 case 23: return "xmm2";
2047 case 24: return "xmm3";
2048 case 25: return "xmm4";
2049 case 26: return "xmm5";
2050 case 27: return "xmm6";
2051 case 28: return "xmm7";
2052 case 29: return "mm0";
2053 case 30: return "mm1";
2054 case 31: return "mm2";
2055 case 32: return "mm3";
2056 case 33: return "mm4";
2057 case 34: return "mm5";
2058 case 35: return "mm6";
2059 case 36: return "mm7";
2060 case 37: return "fcw";
2061 case 38: return "fsw";
2062 case 39: return "mxcsr";
2063 case 40: return "es";
2064 case 41: return "cs";
2065 case 42: return "ss";
2066 case 43: return "ds";
2067 case 44: return "fs";
2068 case 45: return "gs";
2069 case 48: return "tr";
2070 case 49: return "ldtr";
2071 default: return (NULL);
2075 case 0: return "rax";
2076 case 1: return "rdx";
2077 case 2: return "rcx";
2078 case 3: return "rbx";
2079 case 4: return "rsi";
2080 case 5: return "rdi";
2081 case 6: return "rbp";
2082 case 7: return "rsp";
2083 case 16: return "rip";
2084 case 17: return "xmm0";
2085 case 18: return "xmm1";
2086 case 19: return "xmm2";
2087 case 20: return "xmm3";
2088 case 21: return "xmm4";
2089 case 22: return "xmm5";
2090 case 23: return "xmm6";
2091 case 24: return "xmm7";
2092 case 25: return "xmm8";
2093 case 26: return "xmm9";
2094 case 27: return "xmm10";
2095 case 28: return "xmm11";
2096 case 29: return "xmm12";
2097 case 30: return "xmm13";
2098 case 31: return "xmm14";
2099 case 32: return "xmm15";
2100 case 33: return "st0";
2101 case 34: return "st1";
2102 case 35: return "st2";
2103 case 36: return "st3";
2104 case 37: return "st4";
2105 case 38: return "st5";
2106 case 39: return "st6";
2107 case 40: return "st7";
2108 case 41: return "mm0";
2109 case 42: return "mm1";
2110 case 43: return "mm2";
2111 case 44: return "mm3";
2112 case 45: return "mm4";
2113 case 46: return "mm5";
2114 case 47: return "mm6";
2115 case 48: return "mm7";
2116 case 49: return "rflags";
2117 case 50: return "es";
2118 case 51: return "cs";
2119 case 52: return "ss";
2120 case 53: return "ds";
2121 case 54: return "fs";
2122 case 55: return "gs";
2123 case 58: return "fs.base";
2124 case 59: return "gs.base";
2125 case 62: return "tr";
2126 case 63: return "ldtr";
2127 case 64: return "mxcsr";
2128 case 65: return "fcw";
2129 case 66: return "fsw";
2130 default: return (NULL);
2138 dump_ehdr(struct readelf *re)
2140 size_t phnum, shnum, shstrndx;
2143 printf("ELF Header:\n");
2147 for (i = 0; i < EI_NIDENT; i++)
2148 printf("%.2x ", re->ehdr.e_ident[i]);
2152 printf("%-37s%s\n", " Class:", elf_class(re->ehdr.e_ident[EI_CLASS]));
2155 printf("%-37s%s\n", " Data:", elf_endian(re->ehdr.e_ident[EI_DATA]));
2158 printf("%-37s%d %s\n", " Version:", re->ehdr.e_ident[EI_VERSION],
2159 elf_ver(re->ehdr.e_ident[EI_VERSION]));
2162 printf("%-37s%s\n", " OS/ABI:", elf_osabi(re->ehdr.e_ident[EI_OSABI]));
2164 /* EI_ABIVERSION. */
2165 printf("%-37s%d\n", " ABI Version:", re->ehdr.e_ident[EI_ABIVERSION]);
2168 printf("%-37s%s\n", " Type:", elf_type(re->ehdr.e_type));
2171 printf("%-37s%s\n", " Machine:", elf_machine(re->ehdr.e_machine));
2174 printf("%-37s%#x\n", " Version:", re->ehdr.e_version);
2177 printf("%-37s%#jx\n", " Entry point address:",
2178 (uintmax_t)re->ehdr.e_entry);
2181 printf("%-37s%ju (bytes into file)\n", " Start of program headers:",
2182 (uintmax_t)re->ehdr.e_phoff);
2185 printf("%-37s%ju (bytes into file)\n", " Start of section headers:",
2186 (uintmax_t)re->ehdr.e_shoff);
2189 printf("%-37s%#x", " Flags:", re->ehdr.e_flags);
2190 dump_eflags(re, re->ehdr.e_flags);
2194 printf("%-37s%u (bytes)\n", " Size of this header:",
2198 printf("%-37s%u (bytes)\n", " Size of program headers:",
2199 re->ehdr.e_phentsize);
2202 printf("%-37s%u", " Number of program headers:", re->ehdr.e_phnum);
2203 if (re->ehdr.e_phnum == PN_XNUM) {
2204 /* Extended program header numbering is in use. */
2205 if (elf_getphnum(re->elf, &phnum))
2206 printf(" (%zu)", phnum);
2211 printf("%-37s%u (bytes)\n", " Size of section headers:",
2212 re->ehdr.e_shentsize);
2215 printf("%-37s%u", " Number of section headers:", re->ehdr.e_shnum);
2216 if (re->ehdr.e_shnum == SHN_UNDEF) {
2217 /* Extended section numbering is in use. */
2218 if (elf_getshnum(re->elf, &shnum))
2219 printf(" (%ju)", (uintmax_t)shnum);
2224 printf("%-37s%u", " Section header string table index:",
2225 re->ehdr.e_shstrndx);
2226 if (re->ehdr.e_shstrndx == SHN_XINDEX) {
2227 /* Extended section numbering is in use. */
2228 if (elf_getshstrndx(re->elf, &shstrndx))
2229 printf(" (%ju)", (uintmax_t)shstrndx);
2235 dump_eflags(struct readelf *re, uint64_t e_flags)
2237 struct eflags_desc *edesc;
2241 switch (re->ehdr.e_machine) {
2243 arm_eabi = (e_flags & EF_ARM_EABIMASK) >> 24;
2245 printf(", GNU EABI");
2246 else if (arm_eabi <= 5)
2247 printf(", Version%d EABI", arm_eabi);
2248 edesc = arm_eflags_desc;
2251 case EM_MIPS_RS3_LE:
2252 switch ((e_flags & EF_MIPS_ARCH) >> 28) {
2253 case 0: printf(", mips1"); break;
2254 case 1: printf(", mips2"); break;
2255 case 2: printf(", mips3"); break;
2256 case 3: printf(", mips4"); break;
2257 case 4: printf(", mips5"); break;
2258 case 5: printf(", mips32"); break;
2259 case 6: printf(", mips64"); break;
2260 case 7: printf(", mips32r2"); break;
2261 case 8: printf(", mips64r2"); break;
2264 switch ((e_flags & 0x00FF0000) >> 16) {
2265 case 0x81: printf(", 3900"); break;
2266 case 0x82: printf(", 4010"); break;
2267 case 0x83: printf(", 4100"); break;
2268 case 0x85: printf(", 4650"); break;
2269 case 0x87: printf(", 4120"); break;
2270 case 0x88: printf(", 4111"); break;
2271 case 0x8a: printf(", sb1"); break;
2272 case 0x8b: printf(", octeon"); break;
2273 case 0x8c: printf(", xlr"); break;
2274 case 0x91: printf(", 5400"); break;
2275 case 0x98: printf(", 5500"); break;
2276 case 0x99: printf(", 9000"); break;
2277 case 0xa0: printf(", loongson-2e"); break;
2278 case 0xa1: printf(", loongson-2f"); break;
2281 switch ((e_flags & 0x0000F000) >> 12) {
2282 case 1: printf(", o32"); break;
2283 case 2: printf(", o64"); break;
2284 case 3: printf(", eabi32"); break;
2285 case 4: printf(", eabi64"); break;
2288 edesc = mips_eflags_desc;
2292 edesc = powerpc_eflags_desc;
2295 case EM_SPARC32PLUS:
2297 switch ((e_flags & EF_SPARCV9_MM)) {
2298 case EF_SPARCV9_TSO: printf(", tso"); break;
2299 case EF_SPARCV9_PSO: printf(", pso"); break;
2300 case EF_SPARCV9_MM: printf(", rmo"); break;
2303 edesc = sparc_eflags_desc;
2309 if (edesc != NULL) {
2310 while (edesc->desc != NULL) {
2311 if (e_flags & edesc->flag)
2312 printf(", %s", edesc->desc);
2319 dump_phdr(struct readelf *re)
2321 const char *rawfile;
2326 #define PH_HDR "Type", "Offset", "VirtAddr", "PhysAddr", "FileSiz", \
2327 "MemSiz", "Flg", "Align"
2328 #define PH_CT phdr_type(re->ehdr.e_machine, phdr.p_type), \
2329 (uintmax_t)phdr.p_offset, (uintmax_t)phdr.p_vaddr, \
2330 (uintmax_t)phdr.p_paddr, (uintmax_t)phdr.p_filesz, \
2331 (uintmax_t)phdr.p_memsz, \
2332 phdr.p_flags & PF_R ? 'R' : ' ', \
2333 phdr.p_flags & PF_W ? 'W' : ' ', \
2334 phdr.p_flags & PF_X ? 'E' : ' ', \
2335 (uintmax_t)phdr.p_align
2337 if (elf_getphnum(re->elf, &phnum) == 0) {
2338 warnx("elf_getphnum failed: %s", elf_errmsg(-1));
2342 printf("\nThere are no program headers in this file.\n");
2346 printf("\nElf file type is %s", elf_type(re->ehdr.e_type));
2347 printf("\nEntry point 0x%jx\n", (uintmax_t)re->ehdr.e_entry);
2348 printf("There are %ju program headers, starting at offset %ju\n",
2349 (uintmax_t)phnum, (uintmax_t)re->ehdr.e_phoff);
2351 /* Dump program headers. */
2352 printf("\nProgram Headers:\n");
2353 if (re->ec == ELFCLASS32)
2354 printf(" %-15s%-9s%-11s%-11s%-8s%-8s%-4s%s\n", PH_HDR);
2355 else if (re->options & RE_WW)
2356 printf(" %-15s%-9s%-19s%-19s%-9s%-9s%-4s%s\n", PH_HDR);
2358 printf(" %-15s%-19s%-19s%s\n %-19s%-20s"
2359 "%-7s%s\n", PH_HDR);
2360 for (i = 0; (size_t) i < phnum; i++) {
2361 if (gelf_getphdr(re->elf, i, &phdr) != &phdr) {
2362 warnx("gelf_getphdr failed: %s", elf_errmsg(-1));
2365 /* TODO: Add arch-specific segment type dump. */
2366 if (re->ec == ELFCLASS32)
2367 printf(" %-14.14s 0x%6.6jx 0x%8.8jx 0x%8.8jx "
2368 "0x%5.5jx 0x%5.5jx %c%c%c %#jx\n", PH_CT);
2369 else if (re->options & RE_WW)
2370 printf(" %-14.14s 0x%6.6jx 0x%16.16jx 0x%16.16jx "
2371 "0x%6.6jx 0x%6.6jx %c%c%c %#jx\n", PH_CT);
2373 printf(" %-14.14s 0x%16.16jx 0x%16.16jx 0x%16.16jx\n"
2374 " 0x%16.16jx 0x%16.16jx %c%c%c"
2376 if (phdr.p_type == PT_INTERP) {
2377 if ((rawfile = elf_rawfile(re->elf, &size)) == NULL) {
2378 warnx("elf_rawfile failed: %s", elf_errmsg(-1));
2381 if (phdr.p_offset >= size) {
2382 warnx("invalid program header offset");
2385 printf(" [Requesting program interpreter: %s]\n",
2386 rawfile + phdr.p_offset);
2390 /* Dump section to segment mapping. */
2393 printf("\n Section to Segment mapping:\n");
2394 printf(" Segment Sections...\n");
2395 for (i = 0; (size_t)i < phnum; i++) {
2396 if (gelf_getphdr(re->elf, i, &phdr) != &phdr) {
2397 warnx("gelf_getphdr failed: %s", elf_errmsg(-1));
2400 printf(" %2.2d ", i);
2401 /* skip NULL section. */
2402 for (j = 1; (size_t)j < re->shnum; j++) {
2403 if (re->sl[j].off < phdr.p_offset)
2405 if (re->sl[j].off + re->sl[j].sz >
2406 phdr.p_offset + phdr.p_filesz &&
2407 re->sl[j].type != SHT_NOBITS)
2409 if (re->sl[j].addr < phdr.p_vaddr ||
2410 re->sl[j].addr + re->sl[j].sz >
2411 phdr.p_vaddr + phdr.p_memsz)
2413 if (phdr.p_type == PT_TLS &&
2414 (re->sl[j].flags & SHF_TLS) == 0)
2416 printf("%s ", re->sl[j].name);
2425 section_flags(struct readelf *re, struct section *s)
2428 static char buf[BUF_SZ];
2432 nb = re->ec == ELFCLASS32 ? 8 : 16;
2433 if (re->options & RE_T) {
2434 snprintf(buf, BUF_SZ, "[%*.*jx]: ", nb, nb,
2435 (uintmax_t)s->flags);
2438 for (i = 0; section_flag[i].ln != NULL; i++) {
2439 if ((s->flags & section_flag[i].value) == 0)
2441 if (re->options & RE_T) {
2442 snprintf(&buf[p], BUF_SZ - p, "%s, ",
2443 section_flag[i].ln);
2444 p += strlen(section_flag[i].ln) + 2;
2446 buf[p++] = section_flag[i].sn;
2448 if (re->options & RE_T && p > nb + 4)
2456 dump_shdr(struct readelf *re)
2461 #define S_HDR "[Nr] Name", "Type", "Addr", "Off", "Size", "ES", \
2462 "Flg", "Lk", "Inf", "Al"
2463 #define S_HDRL "[Nr] Name", "Type", "Address", "Offset", "Size", \
2464 "EntSize", "Flags", "Link", "Info", "Align"
2465 #define ST_HDR "[Nr] Name", "Type", "Addr", "Off", "Size", "ES", \
2466 "Lk", "Inf", "Al", "Flags"
2467 #define ST_HDRL "[Nr] Name", "Type", "Address", "Offset", "Link", \
2468 "Size", "EntSize", "Info", "Align", "Flags"
2469 #define S_CT i, s->name, section_type(re->ehdr.e_machine, s->type), \
2470 (uintmax_t)s->addr, (uintmax_t)s->off, (uintmax_t)s->sz,\
2471 (uintmax_t)s->entsize, section_flags(re, s), \
2472 s->link, s->info, (uintmax_t)s->align
2473 #define ST_CT i, s->name, section_type(re->ehdr.e_machine, s->type), \
2474 (uintmax_t)s->addr, (uintmax_t)s->off, (uintmax_t)s->sz,\
2475 (uintmax_t)s->entsize, s->link, s->info, \
2476 (uintmax_t)s->align, section_flags(re, s)
2477 #define ST_CTL i, s->name, section_type(re->ehdr.e_machine, s->type), \
2478 (uintmax_t)s->addr, (uintmax_t)s->off, s->link, \
2479 (uintmax_t)s->sz, (uintmax_t)s->entsize, s->info, \
2480 (uintmax_t)s->align, section_flags(re, s)
2482 if (re->shnum == 0) {
2483 printf("\nThere are no sections in this file.\n");
2486 printf("There are %ju section headers, starting at offset 0x%jx:\n",
2487 (uintmax_t)re->shnum, (uintmax_t)re->ehdr.e_shoff);
2488 printf("\nSection Headers:\n");
2489 if (re->ec == ELFCLASS32) {
2490 if (re->options & RE_T)
2491 printf(" %s\n %-16s%-9s%-7s%-7s%-5s%-3s%-4s%s\n"
2494 printf(" %-23s%-16s%-9s%-7s%-7s%-3s%-4s%-3s%-4s%s\n",
2496 } else if (re->options & RE_WW) {
2497 if (re->options & RE_T)
2498 printf(" %s\n %-16s%-17s%-7s%-7s%-5s%-3s%-4s%s\n"
2501 printf(" %-23s%-16s%-17s%-7s%-7s%-3s%-4s%-3s%-4s%s\n",
2504 if (re->options & RE_T)
2505 printf(" %s\n %-18s%-17s%-18s%s\n %-18s"
2506 "%-17s%-18s%s\n%12s\n", ST_HDRL);
2508 printf(" %-23s%-17s%-18s%s\n %-18s%-17s%-7s%"
2509 "-6s%-6s%s\n", S_HDRL);
2511 for (i = 0; (size_t)i < re->shnum; i++) {
2513 if (re->ec == ELFCLASS32) {
2514 if (re->options & RE_T)
2515 printf(" [%2d] %s\n %-15.15s %8.8jx"
2516 " %6.6jx %6.6jx %2.2jx %2u %3u %2ju\n"
2519 printf(" [%2d] %-17.17s %-15.15s %8.8jx"
2520 " %6.6jx %6.6jx %2.2jx %3s %2u %3u %2ju\n",
2522 } else if (re->options & RE_WW) {
2523 if (re->options & RE_T)
2524 printf(" [%2d] %s\n %-15.15s %16.16jx"
2525 " %6.6jx %6.6jx %2.2jx %2u %3u %2ju\n"
2528 printf(" [%2d] %-17.17s %-15.15s %16.16jx"
2529 " %6.6jx %6.6jx %2.2jx %3s %2u %3u %2ju\n",
2532 if (re->options & RE_T)
2533 printf(" [%2d] %s\n %-15.15s %16.16jx"
2534 " %16.16jx %u\n %16.16jx %16.16jx"
2535 " %-16u %ju\n %s\n", ST_CTL);
2537 printf(" [%2d] %-17.17s %-15.15s %16.16jx"
2538 " %8.8jx\n %16.16jx %16.16jx "
2539 "%3s %2u %3u %ju\n", S_CT);
2542 if ((re->options & RE_T) == 0)
2543 printf("Key to Flags:\n W (write), A (alloc),"
2544 " X (execute), M (merge), S (strings)\n"
2545 " I (info), L (link order), G (group), x (unknown)\n"
2546 " O (extra OS processing required)"
2547 " o (OS specific), p (processor specific)\n");
2559 * Return number of entries in the given section. We'd prefer ent_count be a
2560 * size_t *, but libelf APIs already use int for section indices.
2563 get_ent_count(struct section *s, int *ent_count)
2565 if (s->entsize == 0) {
2566 warnx("section %s has entry size 0", s->name);
2568 } else if (s->sz / s->entsize > INT_MAX) {
2569 warnx("section %s has invalid section count", s->name);
2572 *ent_count = (int)(s->sz / s->entsize);
2577 dump_dynamic(struct readelf *re)
2582 int elferr, i, is_dynamic, j, jmax, nentries;
2586 for (i = 0; (size_t)i < re->shnum; i++) {
2588 if (s->type != SHT_DYNAMIC)
2591 if ((d = elf_getdata(s->scn, NULL)) == NULL) {
2592 elferr = elf_errno();
2594 warnx("elf_getdata failed: %s", elf_errmsg(-1));
2602 /* Determine the actual number of table entries. */
2604 if (!get_ent_count(s, &jmax))
2606 for (j = 0; j < jmax; j++) {
2607 if (gelf_getdyn(d, j, &dyn) != &dyn) {
2608 warnx("gelf_getdyn failed: %s",
2613 if (dyn.d_tag == DT_NULL)
2617 printf("\nDynamic section at offset 0x%jx", (uintmax_t)s->off);
2618 printf(" contains %u entries:\n", nentries);
2620 if (re->ec == ELFCLASS32)
2621 printf("%5s%12s%28s\n", "Tag", "Type", "Name/Value");
2623 printf("%5s%20s%28s\n", "Tag", "Type", "Name/Value");
2625 for (j = 0; j < nentries; j++) {
2626 if (gelf_getdyn(d, j, &dyn) != &dyn)
2628 /* Dump dynamic entry type. */
2629 if (re->ec == ELFCLASS32)
2630 printf(" 0x%8.8jx", (uintmax_t)dyn.d_tag);
2632 printf(" 0x%16.16jx", (uintmax_t)dyn.d_tag);
2633 printf(" %-20s", dt_type(re->ehdr.e_machine,
2635 /* Dump dynamic entry value. */
2636 dump_dyn_val(re, &dyn, s->link);
2641 printf("\nThere is no dynamic section in this file.\n");
2645 timestamp(time_t ti)
2651 snprintf(ts, sizeof(ts), "%04d-%02d-%02dT%02d:%02d:%02d",
2652 t->tm_year + 1900, t->tm_mon + 1, t->tm_mday, t->tm_hour,
2653 t->tm_min, t->tm_sec);
2659 dyn_str(struct readelf *re, uint32_t stab, uint64_t d_val)
2663 if (stab == SHN_UNDEF)
2665 else if ((name = elf_strptr(re->elf, stab, d_val)) == NULL) {
2666 (void) elf_errno(); /* clear error */
2674 dump_arch_dyn_val(struct readelf *re, GElf_Dyn *dyn)
2676 switch (re->ehdr.e_machine) {
2678 case EM_MIPS_RS3_LE:
2679 switch (dyn->d_tag) {
2680 case DT_MIPS_RLD_VERSION:
2681 case DT_MIPS_LOCAL_GOTNO:
2682 case DT_MIPS_CONFLICTNO:
2683 case DT_MIPS_LIBLISTNO:
2684 case DT_MIPS_SYMTABNO:
2685 case DT_MIPS_UNREFEXTNO:
2686 case DT_MIPS_GOTSYM:
2687 case DT_MIPS_HIPAGENO:
2688 case DT_MIPS_DELTA_CLASS_NO:
2689 case DT_MIPS_DELTA_INSTANCE_NO:
2690 case DT_MIPS_DELTA_RELOC_NO:
2691 case DT_MIPS_DELTA_SYM_NO:
2692 case DT_MIPS_DELTA_CLASSSYM_NO:
2693 case DT_MIPS_LOCALPAGE_GOTIDX:
2694 case DT_MIPS_LOCAL_GOTIDX:
2695 case DT_MIPS_HIDDEN_GOTIDX:
2696 case DT_MIPS_PROTECTED_GOTIDX:
2697 printf(" %ju\n", (uintmax_t) dyn->d_un.d_val);
2699 case DT_MIPS_ICHECKSUM:
2701 case DT_MIPS_BASE_ADDRESS:
2702 case DT_MIPS_CONFLICT:
2703 case DT_MIPS_LIBLIST:
2704 case DT_MIPS_RLD_MAP:
2705 case DT_MIPS_DELTA_CLASS:
2706 case DT_MIPS_DELTA_INSTANCE:
2707 case DT_MIPS_DELTA_RELOC:
2708 case DT_MIPS_DELTA_SYM:
2709 case DT_MIPS_DELTA_CLASSSYM:
2710 case DT_MIPS_CXX_FLAGS:
2711 case DT_MIPS_PIXIE_INIT:
2712 case DT_MIPS_SYMBOL_LIB:
2713 case DT_MIPS_OPTIONS:
2714 case DT_MIPS_INTERFACE:
2715 case DT_MIPS_DYNSTR_ALIGN:
2716 case DT_MIPS_INTERFACE_SIZE:
2717 case DT_MIPS_RLD_TEXT_RESOLVE_ADDR:
2718 case DT_MIPS_COMPACT_SIZE:
2719 case DT_MIPS_GP_VALUE:
2720 case DT_MIPS_AUX_DYNAMIC:
2721 case DT_MIPS_PLTGOT:
2722 case DT_MIPS_RLD_OBJ_UPDATE:
2724 printf(" 0x%jx\n", (uintmax_t) dyn->d_un.d_val);
2726 case DT_MIPS_IVERSION:
2727 case DT_MIPS_PERF_SUFFIX:
2728 case DT_MIPS_TIME_STAMP:
2729 printf(" %s\n", timestamp(dyn->d_un.d_val));
2743 dump_flags(struct flag_desc *desc, uint64_t val)
2745 struct flag_desc *fd;
2747 for (fd = desc; fd->flag != 0; fd++) {
2748 if (val & fd->flag) {
2750 printf(" %s", fd->desc);
2754 printf(" unknown (0x%jx)", (uintmax_t)val);
2758 static struct flag_desc dt_flags[] = {
2759 { DF_ORIGIN, "ORIGIN" },
2760 { DF_SYMBOLIC, "SYMBOLIC" },
2761 { DF_TEXTREL, "TEXTREL" },
2762 { DF_BIND_NOW, "BIND_NOW" },
2763 { DF_STATIC_TLS, "STATIC_TLS" },
2767 static struct flag_desc dt_flags_1[] = {
2768 { DF_1_BIND_NOW, "NOW" },
2769 { DF_1_GLOBAL, "GLOBAL" },
2771 { DF_1_NODELETE, "NODELETE" },
2772 { DF_1_LOADFLTR, "LOADFLTR" },
2773 { 0x20, "INITFIRST" },
2774 { DF_1_NOOPEN, "NOOPEN" },
2775 { DF_1_ORIGIN, "ORIGIN" },
2776 { 0x100, "DIRECT" },
2777 { DF_1_INTERPOSE, "INTERPOSE" },
2778 { DF_1_NODEFLIB, "NODEFLIB" },
2779 { 0x1000, "NODUMP" },
2780 { 0x2000, "CONFALT" },
2781 { 0x4000, "ENDFILTEE" },
2782 { 0x8000, "DISPRELDNE" },
2783 { 0x10000, "DISPRELPND" },
2784 { 0x20000, "NODIRECT" },
2785 { 0x40000, "IGNMULDEF" },
2786 { 0x80000, "NOKSYMS" },
2787 { 0x100000, "NOHDR" },
2788 { 0x200000, "EDITED" },
2789 { 0x400000, "NORELOC" },
2790 { 0x800000, "SYMINTPOSE" },
2791 { 0x1000000, "GLOBAUDIT" },
2796 dump_dyn_val(struct readelf *re, GElf_Dyn *dyn, uint32_t stab)
2800 if (dyn->d_tag >= DT_LOPROC && dyn->d_tag <= DT_HIPROC &&
2801 dyn->d_tag != DT_AUXILIARY && dyn->d_tag != DT_FILTER) {
2802 dump_arch_dyn_val(re, dyn);
2806 /* These entry values are index into the string table. */
2808 if (dyn->d_tag == DT_AUXILIARY || dyn->d_tag == DT_FILTER ||
2809 dyn->d_tag == DT_NEEDED || dyn->d_tag == DT_SONAME ||
2810 dyn->d_tag == DT_RPATH || dyn->d_tag == DT_RUNPATH)
2811 name = dyn_str(re, stab, dyn->d_un.d_val);
2813 switch(dyn->d_tag) {
2831 case DT_GNU_LIBLIST:
2832 case DT_GNU_CONFLICT:
2833 printf(" 0x%jx\n", (uintmax_t) dyn->d_un.d_val);
2842 case DT_PREINIT_ARRAYSZ:
2843 case DT_INIT_ARRAYSZ:
2844 case DT_FINI_ARRAYSZ:
2845 case DT_GNU_CONFLICTSZ:
2846 case DT_GNU_LIBLISTSZ:
2847 printf(" %ju (bytes)\n", (uintmax_t) dyn->d_un.d_val);
2853 printf(" %ju\n", (uintmax_t) dyn->d_un.d_val);
2856 printf(" Auxiliary library: [%s]\n", name);
2859 printf(" Filter library: [%s]\n", name);
2862 printf(" Shared library: [%s]\n", name);
2865 printf(" Library soname: [%s]\n", name);
2868 printf(" Library rpath: [%s]\n", name);
2871 printf(" Library runpath: [%s]\n", name);
2874 printf(" %s\n", dt_type(re->ehdr.e_machine, dyn->d_un.d_val));
2876 case DT_GNU_PRELINKED:
2877 printf(" %s\n", timestamp(dyn->d_un.d_val));
2880 dump_flags(dt_flags, dyn->d_un.d_val);
2883 dump_flags(dt_flags_1, dyn->d_un.d_val);
2891 dump_rel(struct readelf *re, struct section *s, Elf_Data *d)
2894 const char *symname;
2898 uint8_t type2, type3;
2900 if (s->link >= re->shnum)
2903 #define REL_HDR "r_offset", "r_info", "r_type", "st_value", "st_name"
2904 #define REL_CT32 (uintmax_t)r.r_offset, (uintmax_t)r.r_info, \
2905 elftc_reloc_type_str(re->ehdr.e_machine, \
2906 ELF32_R_TYPE(r.r_info)), (uintmax_t)symval, symname
2907 #define REL_CT64 (uintmax_t)r.r_offset, (uintmax_t)r.r_info, \
2908 elftc_reloc_type_str(re->ehdr.e_machine, type), \
2909 (uintmax_t)symval, symname
2911 printf("\nRelocation section (%s):\n", s->name);
2912 if (re->ec == ELFCLASS32)
2913 printf("%-8s %-8s %-19s %-8s %s\n", REL_HDR);
2915 if (re->options & RE_WW)
2916 printf("%-16s %-16s %-24s %-16s %s\n", REL_HDR);
2918 printf("%-12s %-12s %-19s %-16s %s\n", REL_HDR);
2920 assert(d->d_size == s->sz);
2921 if (!get_ent_count(s, &len))
2923 for (i = 0; i < len; i++) {
2924 if (gelf_getrel(d, i, &r) != &r) {
2925 warnx("gelf_getrel failed: %s", elf_errmsg(-1));
2928 symname = get_symbol_name(re, s->link, GELF_R_SYM(r.r_info));
2929 symval = get_symbol_value(re, s->link, GELF_R_SYM(r.r_info));
2930 if (re->ec == ELFCLASS32) {
2931 r.r_info = ELF32_R_INFO(ELF64_R_SYM(r.r_info),
2932 ELF64_R_TYPE(r.r_info));
2933 printf("%8.8jx %8.8jx %-19.19s %8.8jx %s\n", REL_CT32);
2935 type = ELF64_R_TYPE(r.r_info);
2936 if (re->ehdr.e_machine == EM_MIPS) {
2937 type2 = (type >> 8) & 0xFF;
2938 type3 = (type >> 16) & 0xFF;
2943 if (re->options & RE_WW)
2944 printf("%16.16jx %16.16jx %-24.24s"
2945 " %16.16jx %s\n", REL_CT64);
2947 printf("%12.12jx %12.12jx %-19.19s"
2948 " %16.16jx %s\n", REL_CT64);
2949 if (re->ehdr.e_machine == EM_MIPS) {
2950 if (re->options & RE_WW) {
2951 printf("%32s: %s\n", "Type2",
2952 elftc_reloc_type_str(EM_MIPS,
2954 printf("%32s: %s\n", "Type3",
2955 elftc_reloc_type_str(EM_MIPS,
2958 printf("%24s: %s\n", "Type2",
2959 elftc_reloc_type_str(EM_MIPS,
2961 printf("%24s: %s\n", "Type3",
2962 elftc_reloc_type_str(EM_MIPS,
2974 dump_rela(struct readelf *re, struct section *s, Elf_Data *d)
2977 const char *symname;
2981 uint8_t type2, type3;
2983 if (s->link >= re->shnum)
2986 #define RELA_HDR "r_offset", "r_info", "r_type", "st_value", \
2987 "st_name + r_addend"
2988 #define RELA_CT32 (uintmax_t)r.r_offset, (uintmax_t)r.r_info, \
2989 elftc_reloc_type_str(re->ehdr.e_machine, \
2990 ELF32_R_TYPE(r.r_info)), (uintmax_t)symval, symname
2991 #define RELA_CT64 (uintmax_t)r.r_offset, (uintmax_t)r.r_info, \
2992 elftc_reloc_type_str(re->ehdr.e_machine, type), \
2993 (uintmax_t)symval, symname
2995 printf("\nRelocation section with addend (%s):\n", s->name);
2996 if (re->ec == ELFCLASS32)
2997 printf("%-8s %-8s %-19s %-8s %s\n", RELA_HDR);
2999 if (re->options & RE_WW)
3000 printf("%-16s %-16s %-24s %-16s %s\n", RELA_HDR);
3002 printf("%-12s %-12s %-19s %-16s %s\n", RELA_HDR);
3004 assert(d->d_size == s->sz);
3005 if (!get_ent_count(s, &len))
3007 for (i = 0; i < len; i++) {
3008 if (gelf_getrela(d, i, &r) != &r) {
3009 warnx("gelf_getrel failed: %s", elf_errmsg(-1));
3012 symname = get_symbol_name(re, s->link, GELF_R_SYM(r.r_info));
3013 symval = get_symbol_value(re, s->link, GELF_R_SYM(r.r_info));
3014 if (re->ec == ELFCLASS32) {
3015 r.r_info = ELF32_R_INFO(ELF64_R_SYM(r.r_info),
3016 ELF64_R_TYPE(r.r_info));
3017 printf("%8.8jx %8.8jx %-19.19s %8.8jx %s", RELA_CT32);
3018 printf(" + %x\n", (uint32_t) r.r_addend);
3020 type = ELF64_R_TYPE(r.r_info);
3021 if (re->ehdr.e_machine == EM_MIPS) {
3022 type2 = (type >> 8) & 0xFF;
3023 type3 = (type >> 16) & 0xFF;
3028 if (re->options & RE_WW)
3029 printf("%16.16jx %16.16jx %-24.24s"
3030 " %16.16jx %s", RELA_CT64);
3032 printf("%12.12jx %12.12jx %-19.19s"
3033 " %16.16jx %s", RELA_CT64);
3034 printf(" + %jx\n", (uintmax_t) r.r_addend);
3035 if (re->ehdr.e_machine == EM_MIPS) {
3036 if (re->options & RE_WW) {
3037 printf("%32s: %s\n", "Type2",
3038 elftc_reloc_type_str(EM_MIPS,
3040 printf("%32s: %s\n", "Type3",
3041 elftc_reloc_type_str(EM_MIPS,
3044 printf("%24s: %s\n", "Type2",
3045 elftc_reloc_type_str(EM_MIPS,
3047 printf("%24s: %s\n", "Type3",
3048 elftc_reloc_type_str(EM_MIPS,
3060 dump_reloc(struct readelf *re)
3066 for (i = 0; (size_t)i < re->shnum; i++) {
3068 if (s->type == SHT_REL || s->type == SHT_RELA) {
3070 if ((d = elf_getdata(s->scn, NULL)) == NULL) {
3071 elferr = elf_errno();
3073 warnx("elf_getdata failed: %s",
3074 elf_errmsg(elferr));
3077 if (s->type == SHT_REL)
3080 dump_rela(re, s, d);
3086 dump_symtab(struct readelf *re, int i)
3097 if (s->link >= re->shnum)
3101 if ((d = elf_getdata(s->scn, NULL)) == NULL) {
3102 elferr = elf_errno();
3104 warnx("elf_getdata failed: %s", elf_errmsg(elferr));
3109 if (!get_ent_count(s, &len))
3111 printf("Symbol table (%s)", s->name);
3112 printf(" contains %d entries:\n", len);
3113 printf("%7s%9s%14s%5s%8s%6s%9s%5s\n", "Num:", "Value", "Size", "Type",
3114 "Bind", "Vis", "Ndx", "Name");
3116 for (j = 0; j < len; j++) {
3117 if (gelf_getsym(d, j, &sym) != &sym) {
3118 warnx("gelf_getsym failed: %s", elf_errmsg(-1));
3122 printf(" %16.16jx", (uintmax_t) sym.st_value);
3123 printf(" %5ju", (uintmax_t) sym.st_size);
3124 printf(" %-7s", st_type(re->ehdr.e_machine,
3125 re->ehdr.e_ident[EI_OSABI], GELF_ST_TYPE(sym.st_info)));
3126 printf(" %-6s", st_bind(GELF_ST_BIND(sym.st_info)));
3127 printf(" %-8s", st_vis(GELF_ST_VISIBILITY(sym.st_other)));
3128 printf(" %3s", st_shndx(sym.st_shndx));
3129 if ((name = elf_strptr(re->elf, stab, sym.st_name)) != NULL)
3130 printf(" %s", name);
3131 /* Append symbol version string for SHT_DYNSYM symbol table. */
3132 if (s->type == SHT_DYNSYM && re->ver != NULL &&
3133 re->vs != NULL && re->vs[j] > 1) {
3134 vs = re->vs[j] & VERSYM_VERSION;
3135 if (vs >= re->ver_sz || re->ver[vs].name == NULL) {
3136 warnx("invalid versym version index %u", vs);
3139 if (re->vs[j] & VERSYM_HIDDEN || re->ver[vs].type == 0)
3140 printf("@%s (%d)", re->ver[vs].name, vs);
3142 printf("@@%s (%d)", re->ver[vs].name, vs);
3150 dump_symtabs(struct readelf *re)
3159 * If -D is specified, only dump the symbol table specified by
3160 * the DT_SYMTAB entry in the .dynamic section.
3163 if (re->options & RE_DD) {
3165 for (i = 0; (size_t)i < re->shnum; i++)
3166 if (re->sl[i].type == SHT_DYNAMIC) {
3173 if ((d = elf_getdata(s->scn, NULL)) == NULL) {
3174 elferr = elf_errno();
3176 warnx("elf_getdata failed: %s", elf_errmsg(-1));
3181 if (!get_ent_count(s, &len))
3184 for (i = 0; i < len; i++) {
3185 if (gelf_getdyn(d, i, &dyn) != &dyn) {
3186 warnx("gelf_getdyn failed: %s", elf_errmsg(-1));
3189 if (dyn.d_tag == DT_SYMTAB) {
3190 dyn_off = dyn.d_un.d_val;
3196 /* Find and dump symbol tables. */
3197 for (i = 0; (size_t)i < re->shnum; i++) {
3199 if (s->type == SHT_SYMTAB || s->type == SHT_DYNSYM) {
3200 if (re->options & RE_DD) {
3201 if (dyn_off == s->addr) {
3212 dump_svr4_hash(struct section *s)
3216 uint32_t nbucket, nchain;
3217 uint32_t *bucket, *chain;
3218 uint32_t *bl, *c, maxl, total;
3221 /* Read and parse the content of .hash section. */
3223 if ((d = elf_getdata(s->scn, NULL)) == NULL) {
3224 elferr = elf_errno();
3226 warnx("elf_getdata failed: %s", elf_errmsg(elferr));
3229 if (d->d_size < 2 * sizeof(uint32_t)) {
3230 warnx(".hash section too small");
3236 if (nbucket <= 0 || nchain <= 0) {
3237 warnx("Malformed .hash section");
3240 if (d->d_size != (nbucket + nchain + 2) * sizeof(uint32_t)) {
3241 warnx("Malformed .hash section");
3245 chain = &buf[2 + nbucket];
3248 if ((bl = calloc(nbucket, sizeof(*bl))) == NULL)
3249 errx(EXIT_FAILURE, "calloc failed");
3250 for (i = 0; (uint32_t)i < nbucket; i++)
3251 for (j = bucket[i]; j > 0 && (uint32_t)j < nchain; j = chain[j])
3254 if ((c = calloc(maxl + 1, sizeof(*c))) == NULL)
3255 errx(EXIT_FAILURE, "calloc failed");
3256 for (i = 0; (uint32_t)i < nbucket; i++)
3258 printf("\nHistogram for bucket list length (total of %u buckets):\n",
3260 printf(" Length\tNumber\t\t%% of total\tCoverage\n");
3262 for (i = 0; (uint32_t)i <= maxl; i++) {
3264 printf("%7u\t%-10u\t(%5.1f%%)\t%5.1f%%\n", i, c[i],
3265 c[i] * 100.0 / nbucket, total * 100.0 / (nchain - 1));
3272 dump_svr4_hash64(struct readelf *re, struct section *s)
3276 uint64_t nbucket, nchain;
3277 uint64_t *bucket, *chain;
3278 uint64_t *bl, *c, maxl, total;
3282 * ALPHA uses 64-bit hash entries. Since libelf assumes that
3283 * .hash section contains only 32-bit entry, an explicit
3284 * gelf_xlatetom is needed here.
3287 if ((d = elf_rawdata(s->scn, NULL)) == NULL) {
3288 elferr = elf_errno();
3290 warnx("elf_rawdata failed: %s",
3291 elf_errmsg(elferr));
3294 d->d_type = ELF_T_XWORD;
3295 memcpy(&dst, d, sizeof(Elf_Data));
3296 if (gelf_xlatetom(re->elf, &dst, d,
3297 re->ehdr.e_ident[EI_DATA]) != &dst) {
3298 warnx("gelf_xlatetom failed: %s", elf_errmsg(-1));
3301 if (dst.d_size < 2 * sizeof(uint64_t)) {
3302 warnx(".hash section too small");
3308 if (nbucket <= 0 || nchain <= 0) {
3309 warnx("Malformed .hash section");
3312 if (d->d_size != (nbucket + nchain + 2) * sizeof(uint32_t)) {
3313 warnx("Malformed .hash section");
3317 chain = &buf[2 + nbucket];
3320 if ((bl = calloc(nbucket, sizeof(*bl))) == NULL)
3321 errx(EXIT_FAILURE, "calloc failed");
3322 for (i = 0; (uint32_t)i < nbucket; i++)
3323 for (j = bucket[i]; j > 0 && (uint32_t)j < nchain; j = chain[j])
3326 if ((c = calloc(maxl + 1, sizeof(*c))) == NULL)
3327 errx(EXIT_FAILURE, "calloc failed");
3328 for (i = 0; (uint64_t)i < nbucket; i++)
3330 printf("Histogram for bucket list length (total of %ju buckets):\n",
3331 (uintmax_t)nbucket);
3332 printf(" Length\tNumber\t\t%% of total\tCoverage\n");
3334 for (i = 0; (uint64_t)i <= maxl; i++) {
3336 printf("%7u\t%-10ju\t(%5.1f%%)\t%5.1f%%\n", i, (uintmax_t)c[i],
3337 c[i] * 100.0 / nbucket, total * 100.0 / (nchain - 1));
3344 dump_gnu_hash(struct readelf *re, struct section *s)
3349 uint32_t *bucket, *chain;
3350 uint32_t nbucket, nchain, symndx, maskwords;
3351 uint32_t *bl, *c, maxl, total;
3352 int elferr, dynsymcount, i, j;
3355 if ((d = elf_getdata(s->scn, NULL)) == NULL) {
3356 elferr = elf_errno();
3358 warnx("elf_getdata failed: %s",
3359 elf_errmsg(elferr));
3362 if (d->d_size < 4 * sizeof(uint32_t)) {
3363 warnx(".gnu.hash section too small");
3371 if (s->link >= re->shnum)
3373 ds = &re->sl[s->link];
3374 if (!get_ent_count(ds, &dynsymcount))
3376 if (symndx >= (uint32_t)dynsymcount) {
3377 warnx("Malformed .gnu.hash section (symndx out of range)");
3380 nchain = dynsymcount - symndx;
3381 if (d->d_size != 4 * sizeof(uint32_t) + maskwords *
3382 (re->ec == ELFCLASS32 ? sizeof(uint32_t) : sizeof(uint64_t)) +
3383 (nbucket + nchain) * sizeof(uint32_t)) {
3384 warnx("Malformed .gnu.hash section");
3387 bucket = buf + (re->ec == ELFCLASS32 ? maskwords : maskwords * 2);
3388 chain = bucket + nbucket;
3391 if ((bl = calloc(nbucket, sizeof(*bl))) == NULL)
3392 errx(EXIT_FAILURE, "calloc failed");
3393 for (i = 0; (uint32_t)i < nbucket; i++)
3394 for (j = bucket[i]; j > 0 && (uint32_t)j - symndx < nchain;
3398 if (chain[j - symndx] & 1)
3401 if ((c = calloc(maxl + 1, sizeof(*c))) == NULL)
3402 errx(EXIT_FAILURE, "calloc failed");
3403 for (i = 0; (uint32_t)i < nbucket; i++)
3405 printf("Histogram for bucket list length (total of %u buckets):\n",
3407 printf(" Length\tNumber\t\t%% of total\tCoverage\n");
3409 for (i = 0; (uint32_t)i <= maxl; i++) {
3411 printf("%7u\t%-10u\t(%5.1f%%)\t%5.1f%%\n", i, c[i],
3412 c[i] * 100.0 / nbucket, total * 100.0 / (nchain - 1));
3419 dump_hash(struct readelf *re)
3424 for (i = 0; (size_t) i < re->shnum; i++) {
3426 if (s->type == SHT_HASH || s->type == SHT_GNU_HASH) {
3427 if (s->type == SHT_GNU_HASH)
3428 dump_gnu_hash(re, s);
3429 else if (re->ehdr.e_machine == EM_ALPHA &&
3431 dump_svr4_hash64(re, s);
3439 dump_notes(struct readelf *re)
3442 const char *rawfile;
3445 size_t filesize, phnum;
3448 if (re->ehdr.e_type == ET_CORE) {
3450 * Search program headers in the core file for
3453 if (elf_getphnum(re->elf, &phnum) == 0) {
3454 warnx("elf_getphnum failed: %s", elf_errmsg(-1));
3459 if ((rawfile = elf_rawfile(re->elf, &filesize)) == NULL) {
3460 warnx("elf_rawfile failed: %s", elf_errmsg(-1));
3463 for (i = 0; (size_t) i < phnum; i++) {
3464 if (gelf_getphdr(re->elf, i, &phdr) != &phdr) {
3465 warnx("gelf_getphdr failed: %s",
3469 if (phdr.p_type == PT_NOTE) {
3470 if (phdr.p_offset >= filesize ||
3471 phdr.p_filesz > filesize - phdr.p_offset) {
3472 warnx("invalid PHDR offset");
3475 dump_notes_content(re, rawfile + phdr.p_offset,
3476 phdr.p_filesz, phdr.p_offset);
3482 * For objects other than core files, Search for
3483 * SHT_NOTE sections.
3485 for (i = 0; (size_t) i < re->shnum; i++) {
3487 if (s->type == SHT_NOTE) {
3489 if ((d = elf_getdata(s->scn, NULL)) == NULL) {
3490 elferr = elf_errno();
3492 warnx("elf_getdata failed: %s",
3493 elf_errmsg(elferr));
3496 dump_notes_content(re, d->d_buf, d->d_size,
3503 static struct flag_desc note_feature_ctl_flags[] = {
3504 { NT_FREEBSD_FCTL_ASLR_DISABLE, "ASLR_DISABLE" },
3509 dump_notes_data(const char *name, uint32_t type, const char *buf, size_t sz)
3512 const uint32_t *ubuf;
3514 /* Note data is at least 4-byte aligned. */
3515 if (((uintptr_t)buf & 3) != 0) {
3516 warnx("bad note data alignment");
3519 ubuf = (const uint32_t *)(const void *)buf;
3521 if (strcmp(name, "FreeBSD") == 0) {
3523 case NT_FREEBSD_ABI_TAG:
3526 printf(" ABI tag: %u\n", ubuf[0]);
3528 /* NT_FREEBSD_NOINIT_TAG carries no data, treat as unknown. */
3529 case NT_FREEBSD_ARCH_TAG:
3532 printf(" Arch tag: %x\n", ubuf[0]);
3534 case NT_FREEBSD_FEATURE_CTL:
3537 printf(" Features:");
3538 dump_flags(note_feature_ctl_flags, ubuf[0]);
3543 printf(" description data:");
3544 for (i = 0; i < sz; i++)
3545 printf(" %02x", (unsigned char)buf[i]);
3550 dump_notes_content(struct readelf *re, const char *buf, size_t sz, off_t off)
3553 const char *end, *name;
3555 printf("\nNotes at offset %#010jx with length %#010jx:\n",
3556 (uintmax_t) off, (uintmax_t) sz);
3557 printf(" %-13s %-15s %s\n", "Owner", "Data size", "Description");
3560 if (buf + sizeof(*note) > end) {
3561 warnx("invalid note header");
3564 note = (Elf_Note *)(uintptr_t) buf;
3565 buf += sizeof(Elf_Note);
3567 buf += roundup2(note->n_namesz, 4);
3569 * The name field is required to be nul-terminated, and
3570 * n_namesz includes the terminating nul in observed
3571 * implementations (contrary to the ELF-64 spec). A special
3572 * case is needed for cores generated by some older Linux
3573 * versions, which write a note named "CORE" without a nul
3574 * terminator and n_namesz = 4.
3576 if (note->n_namesz == 0)
3578 else if (note->n_namesz == 4 && strncmp(name, "CORE", 4) == 0)
3580 else if (strnlen(name, note->n_namesz) >= note->n_namesz)
3582 printf(" %-13s %#010jx", name, (uintmax_t) note->n_descsz);
3583 printf(" %s\n", note_type(name, re->ehdr.e_type,
3585 dump_notes_data(name, note->n_type, buf, note->n_descsz);
3586 buf += roundup2(note->n_descsz, 4);
3591 * Symbol versioning sections are the same for 32bit and 64bit
3594 #define Elf_Verdef Elf32_Verdef
3595 #define Elf_Verdaux Elf32_Verdaux
3596 #define Elf_Verneed Elf32_Verneed
3597 #define Elf_Vernaux Elf32_Vernaux
3599 #define SAVE_VERSION_NAME(x, n, t) \
3601 while (x >= re->ver_sz) { \
3602 nv = realloc(re->ver, \
3603 sizeof(*re->ver) * re->ver_sz * 2); \
3605 warn("realloc failed"); \
3610 for (i = re->ver_sz; i < re->ver_sz * 2; i++) { \
3611 re->ver[i].name = NULL; \
3612 re->ver[i].type = 0; \
3617 re->ver[x].name = n; \
3618 re->ver[x].type = t; \
3624 dump_verdef(struct readelf *re, int dump)
3631 uint8_t *buf, *end, *buf2;
3635 if ((s = re->vd_s) == NULL)
3637 if (s->link >= re->shnum)
3640 if (re->ver == NULL) {
3642 if ((re->ver = calloc(re->ver_sz, sizeof(*re->ver))) ==
3644 warn("calloc failed");
3647 re->ver[0].name = "*local*";
3648 re->ver[1].name = "*global*";
3652 printf("\nVersion definition section (%s):\n", s->name);
3654 if ((d = elf_getdata(s->scn, NULL)) == NULL) {
3655 elferr = elf_errno();
3657 warnx("elf_getdata failed: %s", elf_errmsg(elferr));
3664 end = buf + d->d_size;
3665 while (buf + sizeof(Elf_Verdef) <= end) {
3666 vd = (Elf_Verdef *) (uintptr_t) buf;
3668 printf(" 0x%4.4lx", (unsigned long)
3669 (buf - (uint8_t *)d->d_buf));
3670 printf(" vd_version: %u vd_flags: %d"
3671 " vd_ndx: %u vd_cnt: %u", vd->vd_version,
3672 vd->vd_flags, vd->vd_ndx, vd->vd_cnt);
3674 buf2 = buf + vd->vd_aux;
3676 while (buf2 + sizeof(Elf_Verdaux) <= end && j < vd->vd_cnt) {
3677 vda = (Elf_Verdaux *) (uintptr_t) buf2;
3678 name = get_string(re, s->link, vda->vda_name);
3681 printf(" vda_name: %s\n", name);
3682 SAVE_VERSION_NAME((int)vd->vd_ndx, name, 1);
3684 printf(" 0x%4.4lx parent: %s\n",
3685 (unsigned long) (buf2 -
3686 (uint8_t *)d->d_buf), name);
3687 if (vda->vda_next == 0)
3689 buf2 += vda->vda_next;
3692 if (vd->vd_next == 0)
3699 dump_verneed(struct readelf *re, int dump)
3706 uint8_t *buf, *end, *buf2;
3710 if ((s = re->vn_s) == NULL)
3712 if (s->link >= re->shnum)
3715 if (re->ver == NULL) {
3717 if ((re->ver = calloc(re->ver_sz, sizeof(*re->ver))) ==
3719 warn("calloc failed");
3722 re->ver[0].name = "*local*";
3723 re->ver[1].name = "*global*";
3727 printf("\nVersion needed section (%s):\n", s->name);
3729 if ((d = elf_getdata(s->scn, NULL)) == NULL) {
3730 elferr = elf_errno();
3732 warnx("elf_getdata failed: %s", elf_errmsg(elferr));
3739 end = buf + d->d_size;
3740 while (buf + sizeof(Elf_Verneed) <= end) {
3741 vn = (Elf_Verneed *) (uintptr_t) buf;
3743 printf(" 0x%4.4lx", (unsigned long)
3744 (buf - (uint8_t *)d->d_buf));
3745 printf(" vn_version: %u vn_file: %s vn_cnt: %u\n",
3747 get_string(re, s->link, vn->vn_file),
3750 buf2 = buf + vn->vn_aux;
3752 while (buf2 + sizeof(Elf_Vernaux) <= end && j < vn->vn_cnt) {
3753 vna = (Elf32_Vernaux *) (uintptr_t) buf2;
3755 printf(" 0x%4.4lx", (unsigned long)
3756 (buf2 - (uint8_t *)d->d_buf));
3757 name = get_string(re, s->link, vna->vna_name);
3759 printf(" vna_name: %s vna_flags: %u"
3760 " vna_other: %u\n", name,
3761 vna->vna_flags, vna->vna_other);
3762 SAVE_VERSION_NAME((int)vna->vna_other, name, 0);
3763 if (vna->vna_next == 0)
3765 buf2 += vna->vna_next;
3768 if (vn->vn_next == 0)
3775 dump_versym(struct readelf *re)
3780 if (re->vs_s == NULL || re->ver == NULL || re->vs == NULL)
3782 printf("\nVersion symbol section (%s):\n", re->vs_s->name);
3783 for (i = 0; i < re->vs_sz; i++) {
3787 printf(" %03x:", i);
3789 vs = re->vs[i] & VERSYM_VERSION;
3790 if (vs >= re->ver_sz || re->ver[vs].name == NULL) {
3791 warnx("invalid versym version index %u", re->vs[i]);
3794 if (re->vs[i] & VERSYM_HIDDEN)
3795 printf(" %3xh %-12s ", vs,
3796 re->ver[re->vs[i] & VERSYM_VERSION].name);
3798 printf(" %3x %-12s ", vs, re->ver[re->vs[i]].name);
3804 dump_ver(struct readelf *re)
3807 if (re->vs_s && re->ver && re->vs)
3812 dump_verneed(re, 1);
3816 search_ver(struct readelf *re)
3822 for (i = 0; (size_t) i < re->shnum; i++) {
3824 if (s->type == SHT_SUNW_versym)
3826 if (s->type == SHT_SUNW_verneed)
3828 if (s->type == SHT_SUNW_verdef)
3834 dump_verneed(re, 0);
3835 if (re->vs_s && re->ver != NULL) {
3837 if ((d = elf_getdata(re->vs_s->scn, NULL)) == NULL) {
3838 elferr = elf_errno();
3840 warnx("elf_getdata failed: %s",
3841 elf_errmsg(elferr));
3847 re->vs_sz = d->d_size / sizeof(Elf32_Half);
3855 #undef SAVE_VERSION_NAME
3858 * Elf32_Lib and Elf64_Lib are identical.
3860 #define Elf_Lib Elf32_Lib
3863 dump_liblist(struct readelf *re)
3871 int i, j, k, elferr, first, len;
3873 for (i = 0; (size_t) i < re->shnum; i++) {
3875 if (s->type != SHT_GNU_LIBLIST)
3877 if (s->link >= re->shnum)
3880 if ((d = elf_getdata(s->scn, NULL)) == NULL) {
3881 elferr = elf_errno();
3883 warnx("elf_getdata failed: %s",
3884 elf_errmsg(elferr));
3890 if (!get_ent_count(s, &len))
3892 printf("\nLibrary list section '%s' ", s->name);
3893 printf("contains %d entries:\n", len);
3894 printf("%12s%24s%18s%10s%6s\n", "Library", "Time Stamp",
3895 "Checksum", "Version", "Flags");
3896 for (j = 0; (uint64_t) j < s->sz / s->entsize; j++) {
3899 get_string(re, s->link, lib->l_name));
3900 ti = lib->l_time_stamp;
3902 snprintf(tbuf, sizeof(tbuf), "%04d-%02d-%02dT%02d:%02d"
3903 ":%2d", t->tm_year + 1900, t->tm_mon + 1,
3904 t->tm_mday, t->tm_hour, t->tm_min, t->tm_sec);
3905 printf("%-19.19s ", tbuf);
3906 printf("0x%08x ", lib->l_checksum);
3907 printf("%-7d %#x", lib->l_version, lib->l_flags);
3908 if (lib->l_flags != 0) {
3911 for (k = 0; l_flag[k].name != NULL; k++) {
3912 if ((l_flag[k].value & lib->l_flags) ==
3919 printf("%s", l_flag[k].name);
3932 dump_section_groups(struct readelf *re)
3935 const char *symname;
3941 for (i = 0; (size_t) i < re->shnum; i++) {
3943 if (s->type != SHT_GROUP)
3945 if (s->link >= re->shnum)
3948 if ((d = elf_getdata(s->scn, NULL)) == NULL) {
3949 elferr = elf_errno();
3951 warnx("elf_getdata failed: %s",
3952 elf_errmsg(elferr));
3960 /* We only support COMDAT section. */
3962 #define GRP_COMDAT 0x1
3964 if ((*w++ & GRP_COMDAT) == 0)
3967 if (s->entsize == 0)
3970 symname = get_symbol_name(re, s->link, s->info);
3971 n = s->sz / s->entsize;
3975 printf("\nCOMDAT group section [%5d] `%s' [%s] contains %ju"
3976 " sections:\n", i, s->name, symname, (uintmax_t)n);
3977 printf(" %-10.10s %s\n", "[Index]", "Name");
3978 for (j = 0; (size_t) j < n; j++, w++) {
3979 if (*w >= re->shnum) {
3980 warnx("invalid section index: %u", *w);
3983 printf(" [%5u] %s\n", *w, re->sl[*w].name);
3989 dump_unknown_tag(uint64_t tag, uint8_t *p, uint8_t *pe)
3994 * According to ARM EABI: For tags > 32, even numbered tags have
3995 * a ULEB128 param and odd numbered ones have NUL-terminated
3996 * string param. This rule probably also applies for tags <= 32
3997 * if the object arch is not ARM.
4000 printf(" Tag_unknown_%ju: ", (uintmax_t) tag);
4003 printf("%s\n", (char *) p);
4004 p += strlen((char *) p) + 1;
4006 val = _decode_uleb128(&p, pe);
4007 printf("%ju\n", (uintmax_t) val);
4014 dump_compatibility_tag(uint8_t *p, uint8_t *pe)
4018 val = _decode_uleb128(&p, pe);
4019 printf("flag = %ju, vendor = %s\n", (uintmax_t) val, p);
4020 p += strlen((char *) p) + 1;
4026 dump_arm_attributes(struct readelf *re, uint8_t *p, uint8_t *pe)
4035 tag = _decode_uleb128(&p, pe);
4037 for (i = 0; i < sizeof(aeabi_tags) / sizeof(aeabi_tags[0]);
4039 if (tag == aeabi_tags[i].tag) {
4041 printf(" %s: ", aeabi_tags[i].s_tag);
4042 if (aeabi_tags[i].get_desc) {
4044 val = _decode_uleb128(&p, pe);
4046 aeabi_tags[i].get_desc(val));
4050 if (tag < aeabi_tags[i].tag)
4054 p = dump_unknown_tag(tag, p, pe);
4061 case 4: /* Tag_CPU_raw_name */
4062 case 5: /* Tag_CPU_name */
4063 case 67: /* Tag_conformance */
4064 printf("%s\n", (char *) p);
4065 p += strlen((char *) p) + 1;
4067 case 32: /* Tag_compatibility */
4068 p = dump_compatibility_tag(p, pe);
4070 case 64: /* Tag_nodefaults */
4071 /* ignored, written as 0. */
4072 (void) _decode_uleb128(&p, pe);
4075 case 65: /* Tag_also_compatible_with */
4076 val = _decode_uleb128(&p, pe);
4077 /* Must be Tag_CPU_arch */
4079 printf("unknown\n");
4082 val = _decode_uleb128(&p, pe);
4083 printf("%s\n", aeabi_cpu_arch(val));
4084 /* Skip NUL terminator. */
4094 #ifndef Tag_GNU_MIPS_ABI_FP
4095 #define Tag_GNU_MIPS_ABI_FP 4
4099 dump_mips_attributes(struct readelf *re, uint8_t *p, uint8_t *pe)
4106 tag = _decode_uleb128(&p, pe);
4108 case Tag_GNU_MIPS_ABI_FP:
4109 val = _decode_uleb128(&p, pe);
4110 printf(" Tag_GNU_MIPS_ABI_FP: %s\n", mips_abi_fp(val));
4112 case 32: /* Tag_compatibility */
4113 p = dump_compatibility_tag(p, pe);
4116 p = dump_unknown_tag(tag, p, pe);
4122 #ifndef Tag_GNU_Power_ABI_FP
4123 #define Tag_GNU_Power_ABI_FP 4
4126 #ifndef Tag_GNU_Power_ABI_Vector
4127 #define Tag_GNU_Power_ABI_Vector 8
4131 dump_ppc_attributes(uint8_t *p, uint8_t *pe)
4136 tag = _decode_uleb128(&p, pe);
4138 case Tag_GNU_Power_ABI_FP:
4139 val = _decode_uleb128(&p, pe);
4140 printf(" Tag_GNU_Power_ABI_FP: %s\n", ppc_abi_fp(val));
4142 case Tag_GNU_Power_ABI_Vector:
4143 val = _decode_uleb128(&p, pe);
4144 printf(" Tag_GNU_Power_ABI_Vector: %s\n",
4145 ppc_abi_vector(val));
4147 case 32: /* Tag_compatibility */
4148 p = dump_compatibility_tag(p, pe);
4151 p = dump_unknown_tag(tag, p, pe);
4158 dump_attributes(struct readelf *re)
4162 uint8_t *p, *pe, *sp;
4163 size_t len, seclen, nlen, sublen;
4167 for (i = 0; (size_t) i < re->shnum; i++) {
4169 if (s->type != SHT_GNU_ATTRIBUTES &&
4170 (re->ehdr.e_machine != EM_ARM || s->type != SHT_LOPROC + 3))
4173 if ((d = elf_rawdata(s->scn, NULL)) == NULL) {
4174 elferr = elf_errno();
4176 warnx("elf_rawdata failed: %s",
4177 elf_errmsg(elferr));
4185 printf("Unknown Attribute Section Format: %c\n",
4189 len = d->d_size - 1;
4193 warnx("truncated attribute section length");
4196 seclen = re->dw_decode(&p, 4);
4198 warnx("invalid attribute section length");
4202 nlen = strlen((char *) p) + 1;
4203 if (nlen + 4 > seclen) {
4204 warnx("invalid attribute section name");
4207 printf("Attribute Section: %s\n", (char *) p);
4210 while (seclen > 0) {
4213 sublen = re->dw_decode(&p, 4);
4214 if (sublen > seclen) {
4215 warnx("invalid attribute sub-section"
4220 printf("%s", top_tag(tag));
4221 if (tag == 2 || tag == 3) {
4224 val = _decode_uleb128(&p, pe);
4227 printf(" %ju", (uintmax_t) val);
4231 if (re->ehdr.e_machine == EM_ARM &&
4232 s->type == SHT_LOPROC + 3)
4233 dump_arm_attributes(re, p, sp + sublen);
4234 else if (re->ehdr.e_machine == EM_MIPS ||
4235 re->ehdr.e_machine == EM_MIPS_RS3_LE)
4236 dump_mips_attributes(re, p,
4238 else if (re->ehdr.e_machine == EM_PPC)
4239 dump_ppc_attributes(p, sp + sublen);
4247 dump_mips_specific_info(struct readelf *re)
4253 for (i = 0; (size_t) i < re->shnum; i++) {
4255 if (s->name != NULL && (!strcmp(s->name, ".MIPS.options") ||
4256 (s->type == SHT_MIPS_OPTIONS))) {
4257 dump_mips_options(re, s);
4261 if (s->name != NULL && (!strcmp(s->name, ".MIPS.abiflags") ||
4262 (s->type == SHT_MIPS_ABIFLAGS)))
4263 dump_mips_abiflags(re, s);
4266 * Dump .reginfo if present (although it will be ignored by an OS if a
4267 * .MIPS.options section is present, according to SGI mips64 spec).
4269 for (i = 0; (size_t) i < re->shnum; i++) {
4271 if (s->name != NULL && (!strcmp(s->name, ".reginfo") ||
4272 (s->type == SHT_MIPS_REGINFO)))
4273 dump_mips_reginfo(re, s);
4278 dump_mips_abiflags(struct readelf *re, struct section *s)
4283 uint32_t isa_ext, ases, flags1, flags2;
4285 uint8_t isa_level, isa_rev, gpr_size, cpr1_size, cpr2_size, fp_abi;
4287 if ((d = elf_rawdata(s->scn, NULL)) == NULL) {
4288 elferr = elf_errno();
4290 warnx("elf_rawdata failed: %s",
4291 elf_errmsg(elferr));
4294 if (d->d_size != 24) {
4295 warnx("invalid MIPS abiflags section size");
4300 version = re->dw_decode(&p, 2);
4301 printf("MIPS ABI Flags Version: %u", version);
4303 printf(" (unknown)\n\n");
4308 isa_level = re->dw_decode(&p, 1);
4309 isa_rev = re->dw_decode(&p, 1);
4310 gpr_size = re->dw_decode(&p, 1);
4311 cpr1_size = re->dw_decode(&p, 1);
4312 cpr2_size = re->dw_decode(&p, 1);
4313 fp_abi = re->dw_decode(&p, 1);
4314 isa_ext = re->dw_decode(&p, 4);
4315 ases = re->dw_decode(&p, 4);
4316 flags1 = re->dw_decode(&p, 4);
4317 flags2 = re->dw_decode(&p, 4);
4321 printf("MIPS%u\n", isa_level);
4323 printf("MIPS%ur%u\n", isa_level, isa_rev);
4324 printf("GPR size: %d\n", get_mips_register_size(gpr_size));
4325 printf("CPR1 size: %d\n", get_mips_register_size(cpr1_size));
4326 printf("CPR2 size: %d\n", get_mips_register_size(cpr2_size));
4330 printf("Soft float");
4333 printf("%u", fp_abi);
4336 printf("\nISA Extension: %u\n", isa_ext);
4337 printf("ASEs: %u\n", ases);
4338 printf("FLAGS 1: %08x\n", flags1);
4339 printf("FLAGS 2: %08x\n", flags2);
4343 get_mips_register_size(uint8_t flag)
4354 dump_mips_reginfo(struct readelf *re, struct section *s)
4360 if ((d = elf_rawdata(s->scn, NULL)) == NULL) {
4361 elferr = elf_errno();
4363 warnx("elf_rawdata failed: %s",
4364 elf_errmsg(elferr));
4369 if (!get_ent_count(s, &len))
4372 printf("\nSection '%s' contains %d entries:\n", s->name, len);
4373 dump_mips_odk_reginfo(re, d->d_buf, d->d_size);
4377 dump_mips_options(struct readelf *re, struct section *s)
4387 if ((d = elf_rawdata(s->scn, NULL)) == NULL) {
4388 elferr = elf_errno();
4390 warnx("elf_rawdata failed: %s",
4391 elf_errmsg(elferr));
4397 printf("\nSection %s contains:\n", s->name);
4402 warnx("Truncated MIPS option header");
4405 kind = re->dw_decode(&p, 1);
4406 size = re->dw_decode(&p, 1);
4407 sndx = re->dw_decode(&p, 2);
4408 info = re->dw_decode(&p, 4);
4409 if (size < 8 || size - 8 > pe - p) {
4410 warnx("Malformed MIPS option header");
4416 dump_mips_odk_reginfo(re, p, size);
4418 case ODK_EXCEPTIONS:
4419 printf(" EXCEPTIONS FPU_MIN: %#x\n",
4420 info & OEX_FPU_MIN);
4421 printf("%11.11s FPU_MAX: %#x\n", "",
4422 info & OEX_FPU_MAX);
4423 dump_mips_option_flags("", mips_exceptions_option,
4427 printf(" %-10.10s section: %ju\n", "OPAD",
4429 dump_mips_option_flags("", mips_pad_option, info);
4432 dump_mips_option_flags("HWPATCH", mips_hwpatch_option,
4436 dump_mips_option_flags("HWAND", mips_hwa_option, info);
4439 dump_mips_option_flags("HWOR", mips_hwo_option, info);
4442 printf(" %-10.10s %#jx\n", "FILL", (uintmax_t) info);
4445 printf(" %-10.10s\n", "TAGS");
4448 printf(" %-10.10s GP group number: %#x\n", "GP_GROUP",
4451 printf(" %-10.10s GP group is "
4452 "self-contained\n", "");
4455 printf(" %-10.10s default GP group number: %#x\n",
4456 "IDENT", info & 0xFFFF);
4458 printf(" %-10.10s default GP group is "
4459 "self-contained\n", "");
4462 printf(" %-10.10s\n", "PAGESIZE");
4472 dump_mips_option_flags(const char *name, struct mips_option *opt, uint64_t info)
4477 for (; opt->desc != NULL; opt++) {
4478 if (info & opt->flag) {
4479 printf(" %-10.10s %s\n", first ? name : "",
4487 dump_mips_odk_reginfo(struct readelf *re, uint8_t *p, size_t sz)
4489 uint32_t ri_gprmask;
4490 uint32_t ri_cprmask[4];
4491 uint64_t ri_gp_value;
4497 ri_gprmask = re->dw_decode(&p, 4);
4498 /* Skip ri_pad padding field for mips64. */
4499 if (re->ec == ELFCLASS64)
4500 re->dw_decode(&p, 4);
4501 for (i = 0; i < 4; i++)
4502 ri_cprmask[i] = re->dw_decode(&p, 4);
4503 if (re->ec == ELFCLASS32)
4504 ri_gp_value = re->dw_decode(&p, 4);
4506 ri_gp_value = re->dw_decode(&p, 8);
4507 printf(" %s ", option_kind(ODK_REGINFO));
4508 printf("ri_gprmask: 0x%08jx\n", (uintmax_t) ri_gprmask);
4509 for (i = 0; i < 4; i++)
4510 printf("%11.11s ri_cprmask[%d]: 0x%08jx\n", "", i,
4511 (uintmax_t) ri_cprmask[i]);
4512 printf("%12.12s", "");
4513 printf("ri_gp_value: %#jx\n", (uintmax_t) ri_gp_value);
4518 dump_arch_specific_info(struct readelf *re)
4522 dump_attributes(re);
4524 switch (re->ehdr.e_machine) {
4526 case EM_MIPS_RS3_LE:
4527 dump_mips_specific_info(re);
4534 dwarf_regname(struct readelf *re, unsigned int num)
4539 if ((rn = dwarf_reg(re->ehdr.e_machine, num)) != NULL)
4542 snprintf(rx, sizeof(rx), "r%u", num);
4548 dump_dwarf_line(struct readelf *re)
4553 Dwarf_Half tag, version, pointer_size;
4554 Dwarf_Unsigned offset, endoff, length, hdrlen, dirndx, mtime, fsize;
4555 Dwarf_Small minlen, defstmt, lrange, opbase, oplen;
4558 uint64_t address, file, line, column, isa, opsize, udelta;
4562 int i, is_stmt, dwarf_size, elferr, ret;
4564 printf("\nDump of debug contents of section .debug_line:\n");
4567 for (i = 0; (size_t) i < re->shnum; i++) {
4569 if (s->name != NULL && !strcmp(s->name, ".debug_line"))
4572 if ((size_t) i >= re->shnum)
4576 if ((d = elf_getdata(s->scn, NULL)) == NULL) {
4577 elferr = elf_errno();
4579 warnx("elf_getdata failed: %s", elf_errmsg(-1));
4585 while ((ret = dwarf_next_cu_header(re->dbg, NULL, NULL, NULL, NULL,
4586 NULL, &de)) == DW_DLV_OK) {
4588 while (dwarf_siblingof(re->dbg, die, &die, &de) == DW_DLV_OK) {
4589 if (dwarf_tag(die, &tag, &de) != DW_DLV_OK) {
4590 warnx("dwarf_tag failed: %s",
4594 /* XXX: What about DW_TAG_partial_unit? */
4595 if (tag == DW_TAG_compile_unit)
4599 warnx("could not find DW_TAG_compile_unit die");
4602 if (dwarf_attrval_unsigned(die, DW_AT_stmt_list, &offset,
4606 length = re->dw_read(d, &offset, 4);
4607 if (length == 0xffffffff) {
4609 length = re->dw_read(d, &offset, 8);
4613 if (length > d->d_size - offset) {
4614 warnx("invalid .dwarf_line section");
4618 endoff = offset + length;
4619 pe = (uint8_t *) d->d_buf + endoff;
4620 version = re->dw_read(d, &offset, 2);
4621 hdrlen = re->dw_read(d, &offset, dwarf_size);
4622 minlen = re->dw_read(d, &offset, 1);
4623 defstmt = re->dw_read(d, &offset, 1);
4624 lbase = re->dw_read(d, &offset, 1);
4625 lrange = re->dw_read(d, &offset, 1);
4626 opbase = re->dw_read(d, &offset, 1);
4629 printf(" Length:\t\t\t%ju\n", (uintmax_t) length);
4630 printf(" DWARF version:\t\t%u\n", version);
4631 printf(" Prologue Length:\t\t%ju\n", (uintmax_t) hdrlen);
4632 printf(" Minimum Instruction Length:\t%u\n", minlen);
4633 printf(" Initial value of 'is_stmt':\t%u\n", defstmt);
4634 printf(" Line Base:\t\t\t%d\n", lbase);
4635 printf(" Line Range:\t\t\t%u\n", lrange);
4636 printf(" Opcode Base:\t\t\t%u\n", opbase);
4637 (void) dwarf_get_address_size(re->dbg, &pointer_size, &de);
4638 printf(" (Pointer size:\t\t%u)\n", pointer_size);
4641 printf(" Opcodes:\n");
4642 for (i = 1; i < opbase; i++) {
4643 oplen = re->dw_read(d, &offset, 1);
4644 printf(" Opcode %d has %u args\n", i, oplen);
4648 printf(" The Directory Table:\n");
4649 p = (uint8_t *) d->d_buf + offset;
4650 while (*p != '\0') {
4651 printf(" %s\n", (char *) p);
4652 p += strlen((char *) p) + 1;
4657 printf(" The File Name Table:\n");
4658 printf(" Entry\tDir\tTime\tSize\tName\n");
4660 while (*p != '\0') {
4663 p += strlen(pn) + 1;
4664 dirndx = _decode_uleb128(&p, pe);
4665 mtime = _decode_uleb128(&p, pe);
4666 fsize = _decode_uleb128(&p, pe);
4667 printf(" %d\t%ju\t%ju\t%ju\t%s\n", i,
4668 (uintmax_t) dirndx, (uintmax_t) mtime,
4669 (uintmax_t) fsize, pn);
4672 #define RESET_REGISTERS \
4678 is_stmt = defstmt; \
4681 #define LINE(x) (lbase + (((x) - opbase) % lrange))
4682 #define ADDRESS(x) ((((x) - opbase) / lrange) * minlen)
4686 printf(" Line Number Statements:\n");
4697 opsize = _decode_uleb128(&p, pe);
4698 printf(" Extended opcode %u: ", *p);
4700 case DW_LNE_end_sequence:
4703 printf("End of Sequence\n");
4705 case DW_LNE_set_address:
4707 address = re->dw_decode(&p,
4709 printf("set Address to %#jx\n",
4710 (uintmax_t) address);
4712 case DW_LNE_define_file:
4715 p += strlen(pn) + 1;
4716 dirndx = _decode_uleb128(&p, pe);
4717 mtime = _decode_uleb128(&p, pe);
4718 fsize = _decode_uleb128(&p, pe);
4719 printf("define new file: %s\n", pn);
4722 /* Unrecognized extened opcodes. */
4724 printf("unknown opcode\n");
4726 } else if (*p > 0 && *p < opbase) {
4734 case DW_LNS_advance_pc:
4735 udelta = _decode_uleb128(&p, pe) *
4738 printf(" Advance PC by %ju to %#jx\n",
4740 (uintmax_t) address);
4742 case DW_LNS_advance_line:
4743 sdelta = _decode_sleb128(&p, pe);
4745 printf(" Advance Line by %jd to %ju\n",
4749 case DW_LNS_set_file:
4750 file = _decode_uleb128(&p, pe);
4751 printf(" Set File to %ju\n",
4754 case DW_LNS_set_column:
4755 column = _decode_uleb128(&p, pe);
4756 printf(" Set Column to %ju\n",
4757 (uintmax_t) column);
4759 case DW_LNS_negate_stmt:
4761 printf(" Set is_stmt to %d\n", is_stmt);
4763 case DW_LNS_set_basic_block:
4764 printf(" Set basic block flag\n");
4766 case DW_LNS_const_add_pc:
4767 address += ADDRESS(255);
4768 printf(" Advance PC by constant %ju"
4770 (uintmax_t) ADDRESS(255),
4771 (uintmax_t) address);
4773 case DW_LNS_fixed_advance_pc:
4774 udelta = re->dw_decode(&p, 2);
4776 printf(" Advance PC by fixed value "
4779 (uintmax_t) address);
4781 case DW_LNS_set_prologue_end:
4782 printf(" Set prologue end flag\n");
4784 case DW_LNS_set_epilogue_begin:
4785 printf(" Set epilogue begin flag\n");
4787 case DW_LNS_set_isa:
4788 isa = _decode_uleb128(&p, pe);
4789 printf(" Set isa to %ju\n",
4793 /* Unrecognized extended opcodes. */
4794 printf(" Unknown extended opcode %u\n",
4804 address += ADDRESS(*p);
4805 printf(" Special opcode %u: advance Address "
4806 "by %ju to %#jx and Line by %jd to %ju\n",
4807 *p - opbase, (uintmax_t) ADDRESS(*p),
4808 (uintmax_t) address, (intmax_t) LINE(*p),
4816 if (ret == DW_DLV_ERROR)
4817 warnx("dwarf_next_cu_header: %s", dwarf_errmsg(de));
4819 #undef RESET_REGISTERS
4825 dump_dwarf_line_decoded(struct readelf *re)
4828 Dwarf_Line *linebuf, ln;
4829 Dwarf_Addr lineaddr;
4830 Dwarf_Signed linecount, srccount;
4831 Dwarf_Unsigned lineno, fn;
4833 const char *dir, *file;
4837 printf("Decoded dump of debug contents of section .debug_line:\n\n");
4838 while ((ret = dwarf_next_cu_header(re->dbg, NULL, NULL, NULL, NULL,
4839 NULL, &de)) == DW_DLV_OK) {
4840 if (dwarf_siblingof(re->dbg, NULL, &die, &de) != DW_DLV_OK)
4842 if (dwarf_attrval_string(die, DW_AT_name, &file, &de) !=
4845 if (dwarf_attrval_string(die, DW_AT_comp_dir, &dir, &de) !=
4849 if (dir && file && file[0] != '/')
4854 printf("%-37s %11s %s\n", "Filename", "Line Number",
4855 "Starting Address");
4856 if (dwarf_srclines(die, &linebuf, &linecount, &de) != DW_DLV_OK)
4858 if (dwarf_srcfiles(die, &srcfiles, &srccount, &de) != DW_DLV_OK)
4860 for (i = 0; i < linecount; i++) {
4862 if (dwarf_line_srcfileno(ln, &fn, &de) != DW_DLV_OK)
4864 if (dwarf_lineno(ln, &lineno, &de) != DW_DLV_OK)
4866 if (dwarf_lineaddr(ln, &lineaddr, &de) != DW_DLV_OK)
4868 printf("%-37s %11ju %#18jx\n",
4869 basename(srcfiles[fn - 1]), (uintmax_t) lineno,
4870 (uintmax_t) lineaddr);
4877 dump_dwarf_die(struct readelf *re, Dwarf_Die die, int level)
4879 Dwarf_Attribute *attr_list;
4881 Dwarf_Off dieoff, cuoff, culen, attroff;
4882 Dwarf_Unsigned ate, lang, v_udata, v_sig;
4883 Dwarf_Signed attr_count, v_sdata;
4886 Dwarf_Half tag, attr, form;
4887 Dwarf_Block *v_block;
4888 Dwarf_Bool v_bool, is_info;
4892 const char *tag_str, *attr_str, *ate_str, *lang_str;
4893 char unk_tag[32], unk_attr[32];
4898 if (dwarf_dieoffset(die, &dieoff, &de) != DW_DLV_OK) {
4899 warnx("dwarf_dieoffset failed: %s", dwarf_errmsg(de));
4903 printf(" <%d><%jx>: ", level, (uintmax_t) dieoff);
4905 if (dwarf_die_CU_offset_range(die, &cuoff, &culen, &de) != DW_DLV_OK) {
4906 warnx("dwarf_die_CU_offset_range failed: %s",
4911 abc = dwarf_die_abbrev_code(die);
4912 if (dwarf_tag(die, &tag, &de) != DW_DLV_OK) {
4913 warnx("dwarf_tag failed: %s", dwarf_errmsg(de));
4916 if (dwarf_get_TAG_name(tag, &tag_str) != DW_DLV_OK) {
4917 snprintf(unk_tag, sizeof(unk_tag), "[Unknown Tag: %#x]", tag);
4921 printf("Abbrev Number: %d (%s)\n", abc, tag_str);
4923 if ((ret = dwarf_attrlist(die, &attr_list, &attr_count, &de)) !=
4925 if (ret == DW_DLV_ERROR)
4926 warnx("dwarf_attrlist failed: %s", dwarf_errmsg(de));
4930 for (i = 0; i < attr_count; i++) {
4931 if (dwarf_whatform(attr_list[i], &form, &de) != DW_DLV_OK) {
4932 warnx("dwarf_whatform failed: %s", dwarf_errmsg(de));
4935 if (dwarf_whatattr(attr_list[i], &attr, &de) != DW_DLV_OK) {
4936 warnx("dwarf_whatattr failed: %s", dwarf_errmsg(de));
4939 if (dwarf_get_AT_name(attr, &attr_str) != DW_DLV_OK) {
4940 snprintf(unk_attr, sizeof(unk_attr),
4941 "[Unknown AT: %#x]", attr);
4942 attr_str = unk_attr;
4944 if (dwarf_attroffset(attr_list[i], &attroff, &de) !=
4946 warnx("dwarf_attroffset failed: %s", dwarf_errmsg(de));
4949 printf(" <%jx> %-18s: ", (uintmax_t) attroff, attr_str);
4951 case DW_FORM_ref_addr:
4952 case DW_FORM_sec_offset:
4953 if (dwarf_global_formref(attr_list[i], &v_off, &de) !=
4955 warnx("dwarf_global_formref failed: %s",
4959 if (form == DW_FORM_ref_addr)
4960 printf("<0x%jx>", (uintmax_t) v_off);
4962 printf("0x%jx", (uintmax_t) v_off);
4969 case DW_FORM_ref_udata:
4970 if (dwarf_formref(attr_list[i], &v_off, &de) !=
4972 warnx("dwarf_formref failed: %s",
4977 printf("<0x%jx>", (uintmax_t) v_off);
4981 if (dwarf_formaddr(attr_list[i], &v_addr, &de) !=
4983 warnx("dwarf_formaddr failed: %s",
4987 printf("%#jx", (uintmax_t) v_addr);
4995 if (dwarf_formudata(attr_list[i], &v_udata, &de) !=
4997 warnx("dwarf_formudata failed: %s",
5001 if (attr == DW_AT_high_pc)
5002 printf("0x%jx", (uintmax_t) v_udata);
5004 printf("%ju", (uintmax_t) v_udata);
5008 if (dwarf_formsdata(attr_list[i], &v_sdata, &de) !=
5010 warnx("dwarf_formudata failed: %s",
5014 printf("%jd", (intmax_t) v_sdata);
5018 if (dwarf_formflag(attr_list[i], &v_bool, &de) !=
5020 warnx("dwarf_formflag failed: %s",
5024 printf("%jd", (intmax_t) v_bool);
5027 case DW_FORM_flag_present:
5031 case DW_FORM_string:
5033 if (dwarf_formstring(attr_list[i], &v_str, &de) !=
5035 warnx("dwarf_formstring failed: %s",
5039 if (form == DW_FORM_string)
5040 printf("%s", v_str);
5042 printf("(indirect string) %s", v_str);
5046 case DW_FORM_block1:
5047 case DW_FORM_block2:
5048 case DW_FORM_block4:
5049 if (dwarf_formblock(attr_list[i], &v_block, &de) !=
5051 warnx("dwarf_formblock failed: %s",
5055 printf("%ju byte block:", (uintmax_t) v_block->bl_len);
5056 b = v_block->bl_data;
5057 for (j = 0; (Dwarf_Unsigned) j < v_block->bl_len; j++)
5058 printf(" %x", b[j]);
5060 dump_dwarf_block(re, v_block->bl_data, v_block->bl_len);
5064 case DW_FORM_exprloc:
5065 if (dwarf_formexprloc(attr_list[i], &v_udata, &v_expr,
5066 &de) != DW_DLV_OK) {
5067 warnx("dwarf_formexprloc failed: %s",
5071 printf("%ju byte block:", (uintmax_t) v_udata);
5073 for (j = 0; (Dwarf_Unsigned) j < v_udata; j++)
5074 printf(" %x", b[j]);
5076 dump_dwarf_block(re, v_expr, v_udata);
5080 case DW_FORM_ref_sig8:
5081 if (dwarf_formsig8(attr_list[i], &v_sig8, &de) !=
5083 warnx("dwarf_formsig8 failed: %s",
5087 p = (uint8_t *)(uintptr_t) &v_sig8.signature[0];
5088 v_sig = re->dw_decode(&p, 8);
5089 printf("signature: 0x%jx", (uintmax_t) v_sig);
5092 case DW_AT_encoding:
5093 if (dwarf_attrval_unsigned(die, attr, &ate, &de) !=
5096 if (dwarf_get_ATE_name(ate, &ate_str) != DW_DLV_OK)
5097 ate_str = "DW_ATE_UNKNOWN";
5098 printf("\t(%s)", &ate_str[strlen("DW_ATE_")]);
5101 case DW_AT_language:
5102 if (dwarf_attrval_unsigned(die, attr, &lang, &de) !=
5105 if (dwarf_get_LANG_name(lang, &lang_str) != DW_DLV_OK)
5107 printf("\t(%s)", &lang_str[strlen("DW_LANG_")]);
5110 case DW_AT_location:
5111 case DW_AT_string_length:
5112 case DW_AT_return_addr:
5113 case DW_AT_data_member_location:
5114 case DW_AT_frame_base:
5116 case DW_AT_static_link:
5117 case DW_AT_use_location:
5118 case DW_AT_vtable_elem_location:
5122 case DW_FORM_sec_offset:
5123 printf("\t(location list)");
5137 /* Search children. */
5138 ret = dwarf_child(die, &ret_die, &de);
5139 if (ret == DW_DLV_ERROR)
5140 warnx("dwarf_child: %s", dwarf_errmsg(de));
5141 else if (ret == DW_DLV_OK)
5142 dump_dwarf_die(re, ret_die, level + 1);
5144 /* Search sibling. */
5145 is_info = dwarf_get_die_infotypes_flag(die);
5146 ret = dwarf_siblingof_b(re->dbg, die, &ret_die, is_info, &de);
5147 if (ret == DW_DLV_ERROR)
5148 warnx("dwarf_siblingof: %s", dwarf_errmsg(de));
5149 else if (ret == DW_DLV_OK)
5150 dump_dwarf_die(re, ret_die, level);
5152 dwarf_dealloc(re->dbg, die, DW_DLA_DIE);
5156 set_cu_context(struct readelf *re, Dwarf_Half psize, Dwarf_Half osize,
5160 re->cu_psize = psize;
5161 re->cu_osize = osize;
5166 dump_dwarf_info(struct readelf *re, Dwarf_Bool is_info)
5171 Dwarf_Half tag, version, pointer_size, off_size;
5172 Dwarf_Off cu_offset, cu_length;
5174 Dwarf_Unsigned typeoff;
5181 sn = is_info ? ".debug_info" : ".debug_types";
5184 for (i = 0; (size_t) i < re->shnum; i++) {
5186 if (s->name != NULL && !strcmp(s->name, sn))
5189 if ((size_t) i >= re->shnum)
5193 printf("\nDump of debug contents of section %s:\n", sn);
5195 while ((ret = dwarf_next_cu_header_c(re->dbg, is_info, NULL,
5196 &version, &aboff, &pointer_size, &off_size, NULL, &sig8,
5197 &typeoff, NULL, &de)) == DW_DLV_OK) {
5198 set_cu_context(re, pointer_size, off_size, version);
5200 while (dwarf_siblingof_b(re->dbg, die, &die, is_info,
5201 &de) == DW_DLV_OK) {
5202 if (dwarf_tag(die, &tag, &de) != DW_DLV_OK) {
5203 warnx("dwarf_tag failed: %s",
5207 /* XXX: What about DW_TAG_partial_unit? */
5208 if ((is_info && tag == DW_TAG_compile_unit) ||
5209 (!is_info && tag == DW_TAG_type_unit))
5212 if (die == NULL && is_info) {
5213 warnx("could not find DW_TAG_compile_unit "
5216 } else if (die == NULL && !is_info) {
5217 warnx("could not find DW_TAG_type_unit die");
5221 if (dwarf_die_CU_offset_range(die, &cu_offset,
5222 &cu_length, &de) != DW_DLV_OK) {
5223 warnx("dwarf_die_CU_offset failed: %s",
5228 cu_length -= off_size == 4 ? 4 : 12;
5232 p = (uint8_t *)(uintptr_t) &sig8.signature[0];
5233 sig = re->dw_decode(&p, 8);
5236 printf("\n Type Unit @ offset 0x%jx:\n",
5237 (uintmax_t) cu_offset);
5238 printf(" Length:\t\t%#jx (%d-bit)\n",
5239 (uintmax_t) cu_length, off_size == 4 ? 32 : 64);
5240 printf(" Version:\t\t%u\n", version);
5241 printf(" Abbrev Offset:\t0x%jx\n",
5243 printf(" Pointer Size:\t%u\n", pointer_size);
5245 printf(" Signature:\t\t0x%016jx\n",
5247 printf(" Type Offset:\t0x%jx\n",
5248 (uintmax_t) typeoff);
5251 dump_dwarf_die(re, die, 0);
5253 if (ret == DW_DLV_ERROR)
5254 warnx("dwarf_next_cu_header: %s", dwarf_errmsg(de));
5257 } while (dwarf_next_types_section(re->dbg, &de) == DW_DLV_OK);
5261 dump_dwarf_abbrev(struct readelf *re)
5264 Dwarf_Off aboff, atoff;
5265 Dwarf_Unsigned length, attr_count;
5266 Dwarf_Signed flag, form;
5267 Dwarf_Half tag, attr;
5269 const char *tag_str, *attr_str, *form_str;
5270 char unk_tag[32], unk_attr[32], unk_form[32];
5273 printf("\nContents of section .debug_abbrev:\n\n");
5275 while ((ret = dwarf_next_cu_header(re->dbg, NULL, NULL, &aboff,
5276 NULL, NULL, &de)) == DW_DLV_OK) {
5277 printf(" Number TAG\n");
5279 while ((ret = dwarf_get_abbrev(re->dbg, aboff, &ab, &length,
5280 &attr_count, &de)) == DW_DLV_OK) {
5282 dwarf_dealloc(re->dbg, ab, DW_DLA_ABBREV);
5287 if (dwarf_get_abbrev_tag(ab, &tag, &de) != DW_DLV_OK) {
5288 warnx("dwarf_get_abbrev_tag failed: %s",
5292 if (dwarf_get_TAG_name(tag, &tag_str) != DW_DLV_OK) {
5293 snprintf(unk_tag, sizeof(unk_tag),
5294 "[Unknown Tag: %#x]", tag);
5297 if (dwarf_get_abbrev_children_flag(ab, &flag, &de) !=
5299 warnx("dwarf_get_abbrev_children_flag failed:"
5300 " %s", dwarf_errmsg(de));
5303 printf(" %s %s\n", tag_str,
5304 flag ? "[has children]" : "[no children]");
5305 for (j = 0; (Dwarf_Unsigned) j < attr_count; j++) {
5306 if (dwarf_get_abbrev_entry(ab, (Dwarf_Signed) j,
5307 &attr, &form, &atoff, &de) != DW_DLV_OK) {
5308 warnx("dwarf_get_abbrev_entry failed:"
5309 " %s", dwarf_errmsg(de));
5312 if (dwarf_get_AT_name(attr, &attr_str) !=
5314 snprintf(unk_attr, sizeof(unk_attr),
5315 "[Unknown AT: %#x]", attr);
5316 attr_str = unk_attr;
5318 if (dwarf_get_FORM_name(form, &form_str) !=
5320 snprintf(unk_form, sizeof(unk_form),
5321 "[Unknown Form: %#x]",
5323 form_str = unk_form;
5325 printf(" %-18s %s\n", attr_str, form_str);
5328 dwarf_dealloc(re->dbg, ab, DW_DLA_ABBREV);
5330 if (ret != DW_DLV_OK)
5331 warnx("dwarf_get_abbrev: %s", dwarf_errmsg(de));
5333 if (ret == DW_DLV_ERROR)
5334 warnx("dwarf_next_cu_header: %s", dwarf_errmsg(de));
5338 dump_dwarf_pubnames(struct readelf *re)
5342 Dwarf_Unsigned offset, length, nt_cu_offset, nt_cu_length;
5344 Dwarf_Global *globs;
5345 Dwarf_Half nt_version;
5349 int i, dwarf_size, elferr;
5351 printf("\nContents of the .debug_pubnames section:\n");
5354 for (i = 0; (size_t) i < re->shnum; i++) {
5356 if (s->name != NULL && !strcmp(s->name, ".debug_pubnames"))
5359 if ((size_t) i >= re->shnum)
5363 if ((d = elf_getdata(s->scn, NULL)) == NULL) {
5364 elferr = elf_errno();
5366 warnx("elf_getdata failed: %s", elf_errmsg(-1));
5372 /* Read in .debug_pubnames section table header. */
5374 length = re->dw_read(d, &offset, 4);
5375 if (length == 0xffffffff) {
5377 length = re->dw_read(d, &offset, 8);
5381 if (length > d->d_size - offset) {
5382 warnx("invalid .dwarf_pubnames section");
5386 nt_version = re->dw_read(d, &offset, 2);
5387 nt_cu_offset = re->dw_read(d, &offset, dwarf_size);
5388 nt_cu_length = re->dw_read(d, &offset, dwarf_size);
5389 printf(" Length:\t\t\t\t%ju\n", (uintmax_t) length);
5390 printf(" Version:\t\t\t\t%u\n", nt_version);
5391 printf(" Offset into .debug_info section:\t%ju\n",
5392 (uintmax_t) nt_cu_offset);
5393 printf(" Size of area in .debug_info section:\t%ju\n",
5394 (uintmax_t) nt_cu_length);
5396 if (dwarf_get_globals(re->dbg, &globs, &cnt, &de) != DW_DLV_OK) {
5397 warnx("dwarf_get_globals failed: %s", dwarf_errmsg(de));
5401 printf("\n Offset Name\n");
5402 for (i = 0; i < cnt; i++) {
5403 if (dwarf_globname(globs[i], &glob_name, &de) != DW_DLV_OK) {
5404 warnx("dwarf_globname failed: %s", dwarf_errmsg(de));
5407 if (dwarf_global_die_offset(globs[i], &die_off, &de) !=
5409 warnx("dwarf_global_die_offset failed: %s",
5413 printf(" %-11ju %s\n", (uintmax_t) die_off, glob_name);
5418 dump_dwarf_aranges(struct readelf *re)
5421 Dwarf_Arange *aranges;
5423 Dwarf_Unsigned offset, length, as_cu_offset;
5426 Dwarf_Half as_version, as_addrsz, as_segsz;
5429 int i, dwarf_size, elferr;
5431 printf("\nContents of section .debug_aranges:\n");
5434 for (i = 0; (size_t) i < re->shnum; i++) {
5436 if (s->name != NULL && !strcmp(s->name, ".debug_aranges"))
5439 if ((size_t) i >= re->shnum)
5443 if ((d = elf_getdata(s->scn, NULL)) == NULL) {
5444 elferr = elf_errno();
5446 warnx("elf_getdata failed: %s", elf_errmsg(-1));
5452 /* Read in the .debug_aranges section table header. */
5454 length = re->dw_read(d, &offset, 4);
5455 if (length == 0xffffffff) {
5457 length = re->dw_read(d, &offset, 8);
5461 if (length > d->d_size - offset) {
5462 warnx("invalid .dwarf_aranges section");
5466 as_version = re->dw_read(d, &offset, 2);
5467 as_cu_offset = re->dw_read(d, &offset, dwarf_size);
5468 as_addrsz = re->dw_read(d, &offset, 1);
5469 as_segsz = re->dw_read(d, &offset, 1);
5471 printf(" Length:\t\t\t%ju\n", (uintmax_t) length);
5472 printf(" Version:\t\t\t%u\n", as_version);
5473 printf(" Offset into .debug_info:\t%ju\n", (uintmax_t) as_cu_offset);
5474 printf(" Pointer Size:\t\t\t%u\n", as_addrsz);
5475 printf(" Segment Size:\t\t\t%u\n", as_segsz);
5477 if (dwarf_get_aranges(re->dbg, &aranges, &cnt, &de) != DW_DLV_OK) {
5478 warnx("dwarf_get_aranges failed: %s", dwarf_errmsg(de));
5482 printf("\n Address Length\n");
5483 for (i = 0; i < cnt; i++) {
5484 if (dwarf_get_arange_info(aranges[i], &start, &length,
5485 &die_off, &de) != DW_DLV_OK) {
5486 warnx("dwarf_get_arange_info failed: %s",
5490 printf(" %08jx %ju\n", (uintmax_t) start,
5491 (uintmax_t) length);
5496 dump_dwarf_ranges_foreach(struct readelf *re, Dwarf_Die die, Dwarf_Addr base)
5498 Dwarf_Attribute *attr_list;
5499 Dwarf_Ranges *ranges;
5504 Dwarf_Signed attr_count, cnt;
5505 Dwarf_Unsigned off, bytecnt;
5508 if ((ret = dwarf_attrlist(die, &attr_list, &attr_count, &de)) !=
5510 if (ret == DW_DLV_ERROR)
5511 warnx("dwarf_attrlist failed: %s", dwarf_errmsg(de));
5515 for (i = 0; i < attr_count; i++) {
5516 if (dwarf_whatattr(attr_list[i], &attr, &de) != DW_DLV_OK) {
5517 warnx("dwarf_whatattr failed: %s", dwarf_errmsg(de));
5520 if (attr != DW_AT_ranges)
5522 if (dwarf_formudata(attr_list[i], &off, &de) != DW_DLV_OK) {
5523 warnx("dwarf_formudata failed: %s", dwarf_errmsg(de));
5526 if (dwarf_get_ranges(re->dbg, (Dwarf_Off) off, &ranges, &cnt,
5527 &bytecnt, &de) != DW_DLV_OK)
5530 for (j = 0; j < cnt; j++) {
5531 printf(" %08jx ", (uintmax_t) off);
5532 if (ranges[j].dwr_type == DW_RANGES_END) {
5533 printf("%s\n", "<End of list>");
5535 } else if (ranges[j].dwr_type ==
5536 DW_RANGES_ADDRESS_SELECTION) {
5537 base0 = ranges[j].dwr_addr2;
5540 if (re->ec == ELFCLASS32)
5541 printf("%08jx %08jx\n",
5542 (uintmax_t) (ranges[j].dwr_addr1 + base0),
5543 (uintmax_t) (ranges[j].dwr_addr2 + base0));
5545 printf("%016jx %016jx\n",
5546 (uintmax_t) (ranges[j].dwr_addr1 + base0),
5547 (uintmax_t) (ranges[j].dwr_addr2 + base0));
5552 /* Search children. */
5553 ret = dwarf_child(die, &ret_die, &de);
5554 if (ret == DW_DLV_ERROR)
5555 warnx("dwarf_child: %s", dwarf_errmsg(de));
5556 else if (ret == DW_DLV_OK)
5557 dump_dwarf_ranges_foreach(re, ret_die, base);
5559 /* Search sibling. */
5560 ret = dwarf_siblingof(re->dbg, die, &ret_die, &de);
5561 if (ret == DW_DLV_ERROR)
5562 warnx("dwarf_siblingof: %s", dwarf_errmsg(de));
5563 else if (ret == DW_DLV_OK)
5564 dump_dwarf_ranges_foreach(re, ret_die, base);
5568 dump_dwarf_ranges(struct readelf *re)
5570 Dwarf_Ranges *ranges;
5573 Dwarf_Unsigned bytecnt;
5576 Dwarf_Unsigned lowpc;
5579 if (dwarf_get_ranges(re->dbg, 0, &ranges, &cnt, &bytecnt, &de) !=
5583 printf("Contents of the .debug_ranges section:\n\n");
5584 if (re->ec == ELFCLASS32)
5585 printf(" %-8s %-8s %s\n", "Offset", "Begin", "End");
5587 printf(" %-8s %-16s %s\n", "Offset", "Begin", "End");
5589 while ((ret = dwarf_next_cu_header(re->dbg, NULL, NULL, NULL, NULL,
5590 NULL, &de)) == DW_DLV_OK) {
5592 if (dwarf_siblingof(re->dbg, die, &die, &de) != DW_DLV_OK)
5594 if (dwarf_tag(die, &tag, &de) != DW_DLV_OK) {
5595 warnx("dwarf_tag failed: %s", dwarf_errmsg(de));
5598 /* XXX: What about DW_TAG_partial_unit? */
5600 if (tag == DW_TAG_compile_unit) {
5601 if (dwarf_attrval_unsigned(die, DW_AT_low_pc, &lowpc,
5606 dump_dwarf_ranges_foreach(re, die, (Dwarf_Addr) lowpc);
5612 dump_dwarf_macinfo(struct readelf *re)
5614 Dwarf_Unsigned offset;
5616 Dwarf_Macro_Details *md;
5622 #define _MAX_MACINFO_ENTRY 65535
5624 printf("\nContents of section .debug_macinfo:\n\n");
5627 while (dwarf_get_macro_details(re->dbg, offset, _MAX_MACINFO_ENTRY,
5628 &cnt, &md, &de) == DW_DLV_OK) {
5629 for (i = 0; i < cnt; i++) {
5630 offset = md[i].dmd_offset + 1;
5631 if (md[i].dmd_type == 0)
5633 if (dwarf_get_MACINFO_name(md[i].dmd_type, &mi_str) !=
5635 snprintf(unk_mi, sizeof(unk_mi),
5636 "[Unknown MACINFO: %#x]", md[i].dmd_type);
5639 printf(" %s", mi_str);
5640 switch (md[i].dmd_type) {
5641 case DW_MACINFO_define:
5642 case DW_MACINFO_undef:
5643 printf(" - lineno : %jd macro : %s\n",
5644 (intmax_t) md[i].dmd_lineno,
5647 case DW_MACINFO_start_file:
5648 printf(" - lineno : %jd filenum : %jd\n",
5649 (intmax_t) md[i].dmd_lineno,
5650 (intmax_t) md[i].dmd_fileindex);
5659 #undef _MAX_MACINFO_ENTRY
5663 dump_dwarf_frame_inst(struct readelf *re, Dwarf_Cie cie, uint8_t *insts,
5664 Dwarf_Unsigned len, Dwarf_Unsigned caf, Dwarf_Signed daf, Dwarf_Addr pc,
5667 Dwarf_Frame_Op *oplist;
5668 Dwarf_Signed opcnt, delta;
5675 if (dwarf_expand_frame_instructions(cie, insts, len, &oplist,
5676 &opcnt, &de) != DW_DLV_OK) {
5677 warnx("dwarf_expand_frame_instructions failed: %s",
5682 for (i = 0; i < opcnt; i++) {
5683 if (oplist[i].fp_base_op != 0)
5684 op = oplist[i].fp_base_op << 6;
5686 op = oplist[i].fp_extended_op;
5687 if (dwarf_get_CFA_name(op, &op_str) != DW_DLV_OK) {
5688 snprintf(unk_op, sizeof(unk_op), "[Unknown CFA: %#x]",
5692 printf(" %s", op_str);
5694 case DW_CFA_advance_loc:
5695 delta = oplist[i].fp_offset * caf;
5697 printf(": %ju to %08jx", (uintmax_t) delta,
5701 case DW_CFA_offset_extended:
5702 case DW_CFA_offset_extended_sf:
5703 delta = oplist[i].fp_offset * daf;
5704 printf(": r%u (%s) at cfa%+jd", oplist[i].fp_register,
5705 dwarf_regname(re, oplist[i].fp_register),
5708 case DW_CFA_restore:
5709 printf(": r%u (%s)", oplist[i].fp_register,
5710 dwarf_regname(re, oplist[i].fp_register));
5712 case DW_CFA_set_loc:
5713 pc = oplist[i].fp_offset;
5714 printf(": to %08jx", (uintmax_t) pc);
5716 case DW_CFA_advance_loc1:
5717 case DW_CFA_advance_loc2:
5718 case DW_CFA_advance_loc4:
5719 pc += oplist[i].fp_offset;
5720 printf(": %jd to %08jx", (intmax_t) oplist[i].fp_offset,
5723 case DW_CFA_def_cfa:
5724 printf(": r%u (%s) ofs %ju", oplist[i].fp_register,
5725 dwarf_regname(re, oplist[i].fp_register),
5726 (uintmax_t) oplist[i].fp_offset);
5728 case DW_CFA_def_cfa_sf:
5729 printf(": r%u (%s) ofs %jd", oplist[i].fp_register,
5730 dwarf_regname(re, oplist[i].fp_register),
5731 (intmax_t) (oplist[i].fp_offset * daf));
5733 case DW_CFA_def_cfa_register:
5734 printf(": r%u (%s)", oplist[i].fp_register,
5735 dwarf_regname(re, oplist[i].fp_register));
5737 case DW_CFA_def_cfa_offset:
5738 printf(": %ju", (uintmax_t) oplist[i].fp_offset);
5740 case DW_CFA_def_cfa_offset_sf:
5741 printf(": %jd", (intmax_t) (oplist[i].fp_offset * daf));
5749 dwarf_dealloc(dbg, oplist, DW_DLA_FRAME_BLOCK);
5753 get_regoff_str(struct readelf *re, Dwarf_Half reg, Dwarf_Addr off)
5757 if (reg == DW_FRAME_UNDEFINED_VAL || reg == DW_FRAME_REG_INITIAL_VALUE)
5758 snprintf(rs, sizeof(rs), "%c", 'u');
5759 else if (reg == DW_FRAME_CFA_COL)
5760 snprintf(rs, sizeof(rs), "c%+jd", (intmax_t) off);
5762 snprintf(rs, sizeof(rs), "%s%+jd", dwarf_regname(re, reg),
5769 dump_dwarf_frame_regtable(struct readelf *re, Dwarf_Fde fde, Dwarf_Addr pc,
5770 Dwarf_Unsigned func_len, Dwarf_Half cie_ra)
5773 Dwarf_Addr row_pc, end_pc, pre_pc, cur_pc;
5778 #define BIT_SET(v, n) (v[(n)>>3] |= 1U << ((n) & 7))
5779 #define BIT_CLR(v, n) (v[(n)>>3] &= ~(1U << ((n) & 7)))
5780 #define BIT_ISSET(v, n) (v[(n)>>3] & (1U << ((n) & 7)))
5781 #define RT(x) rt.rules[(x)]
5783 vec = calloc((DW_REG_TABLE_SIZE + 7) / 8, 1);
5785 err(EXIT_FAILURE, "calloc failed");
5787 pre_pc = ~((Dwarf_Addr) 0);
5789 end_pc = pc + func_len;
5790 for (; cur_pc < end_pc; cur_pc++) {
5791 if (dwarf_get_fde_info_for_all_regs(fde, cur_pc, &rt, &row_pc,
5792 &de) != DW_DLV_OK) {
5793 warnx("dwarf_get_fde_info_for_all_regs failed: %s\n",
5797 if (row_pc == pre_pc)
5800 for (i = 1; i < DW_REG_TABLE_SIZE; i++) {
5801 if (rt.rules[i].dw_regnum != DW_FRAME_REG_INITIAL_VALUE)
5806 printf(" LOC CFA ");
5807 for (i = 1; i < DW_REG_TABLE_SIZE; i++) {
5808 if (BIT_ISSET(vec, i)) {
5809 if ((Dwarf_Half) i == cie_ra)
5813 dwarf_regname(re, (unsigned int) i));
5818 pre_pc = ~((Dwarf_Addr) 0);
5820 end_pc = pc + func_len;
5821 for (; cur_pc < end_pc; cur_pc++) {
5822 if (dwarf_get_fde_info_for_all_regs(fde, cur_pc, &rt, &row_pc,
5823 &de) != DW_DLV_OK) {
5824 warnx("dwarf_get_fde_info_for_all_regs failed: %s\n",
5828 if (row_pc == pre_pc)
5831 printf("%08jx ", (uintmax_t) row_pc);
5832 printf("%-8s ", get_regoff_str(re, RT(0).dw_regnum,
5834 for (i = 1; i < DW_REG_TABLE_SIZE; i++) {
5835 if (BIT_ISSET(vec, i)) {
5836 printf("%-5s", get_regoff_str(re,
5837 RT(i).dw_regnum, RT(i).dw_offset));
5854 dump_dwarf_frame_section(struct readelf *re, struct section *s, int alt)
5856 Dwarf_Cie *cie_list, cie, pre_cie;
5857 Dwarf_Fde *fde_list, fde;
5858 Dwarf_Off cie_offset, fde_offset;
5859 Dwarf_Unsigned cie_length, fde_instlen;
5860 Dwarf_Unsigned cie_caf, cie_daf, cie_instlen, func_len, fde_length;
5861 Dwarf_Signed cie_count, fde_count, cie_index;
5864 Dwarf_Small cie_version;
5865 Dwarf_Ptr fde_addr, fde_inst, cie_inst;
5870 printf("\nThe section %s contains:\n\n", s->name);
5872 if (!strcmp(s->name, ".debug_frame")) {
5874 if (dwarf_get_fde_list(re->dbg, &cie_list, &cie_count,
5875 &fde_list, &fde_count, &de) != DW_DLV_OK) {
5876 warnx("dwarf_get_fde_list failed: %s",
5880 } else if (!strcmp(s->name, ".eh_frame")) {
5882 if (dwarf_get_fde_list_eh(re->dbg, &cie_list, &cie_count,
5883 &fde_list, &fde_count, &de) != DW_DLV_OK) {
5884 warnx("dwarf_get_fde_list_eh failed: %s",
5892 for (i = 0; i < fde_count; i++) {
5893 if (dwarf_get_fde_n(fde_list, i, &fde, &de) != DW_DLV_OK) {
5894 warnx("dwarf_get_fde_n failed: %s", dwarf_errmsg(de));
5897 if (dwarf_get_cie_of_fde(fde, &cie, &de) != DW_DLV_OK) {
5898 warnx("dwarf_get_fde_n failed: %s", dwarf_errmsg(de));
5901 if (dwarf_get_fde_range(fde, &low_pc, &func_len, &fde_addr,
5902 &fde_length, &cie_offset, &cie_index, &fde_offset,
5903 &de) != DW_DLV_OK) {
5904 warnx("dwarf_get_fde_range failed: %s",
5908 if (dwarf_get_fde_instr_bytes(fde, &fde_inst, &fde_instlen,
5909 &de) != DW_DLV_OK) {
5910 warnx("dwarf_get_fde_instr_bytes failed: %s",
5914 if (pre_cie == NULL || cie != pre_cie) {
5916 if (dwarf_get_cie_info(cie, &cie_length, &cie_version,
5917 &cie_aug, &cie_caf, &cie_daf, &cie_ra,
5918 &cie_inst, &cie_instlen, &de) != DW_DLV_OK) {
5919 warnx("dwarf_get_cie_info failed: %s",
5923 printf("%08jx %08jx %8.8jx CIE",
5924 (uintmax_t) cie_offset,
5925 (uintmax_t) cie_length,
5926 (uintmax_t) (eh_frame ? 0 : ~0U));
5929 printf(" Version:\t\t\t%u\n", cie_version);
5930 printf(" Augmentation:\t\t\t\"");
5931 while ((c = *cie_aug++) != '\0')
5934 printf(" Code alignment factor:\t%ju\n",
5935 (uintmax_t) cie_caf);
5936 printf(" Data alignment factor:\t%jd\n",
5937 (intmax_t) cie_daf);
5938 printf(" Return address column:\t%ju\n",
5939 (uintmax_t) cie_ra);
5941 dump_dwarf_frame_inst(re, cie, cie_inst,
5942 cie_instlen, cie_caf, cie_daf, 0,
5947 while ((c = *cie_aug++) != '\0')
5950 printf(" cf=%ju df=%jd ra=%ju\n",
5951 (uintmax_t) cie_caf,
5952 (uintmax_t) cie_daf,
5953 (uintmax_t) cie_ra);
5954 dump_dwarf_frame_regtable(re, fde, low_pc, 1,
5959 printf("%08jx %08jx %08jx FDE cie=%08jx pc=%08jx..%08jx\n",
5960 (uintmax_t) fde_offset, (uintmax_t) fde_length,
5961 (uintmax_t) cie_offset,
5962 (uintmax_t) (eh_frame ? fde_offset + 4 - cie_offset :
5964 (uintmax_t) low_pc, (uintmax_t) (low_pc + func_len));
5966 dump_dwarf_frame_inst(re, cie, fde_inst, fde_instlen,
5967 cie_caf, cie_daf, low_pc, re->dbg);
5969 dump_dwarf_frame_regtable(re, fde, low_pc, func_len,
5976 dump_dwarf_frame(struct readelf *re, int alt)
5981 (void) dwarf_set_frame_cfa_value(re->dbg, DW_FRAME_CFA_COL);
5983 for (i = 0; (size_t) i < re->shnum; i++) {
5985 if (s->name != NULL && (!strcmp(s->name, ".debug_frame") ||
5986 !strcmp(s->name, ".eh_frame")))
5987 dump_dwarf_frame_section(re, s, alt);
5992 dump_dwarf_str(struct readelf *re)
5997 int elferr, end, i, j;
5999 printf("\nContents of section .debug_str:\n");
6002 for (i = 0; (size_t) i < re->shnum; i++) {
6004 if (s->name != NULL && !strcmp(s->name, ".debug_str"))
6007 if ((size_t) i >= re->shnum)
6011 if ((d = elf_getdata(s->scn, NULL)) == NULL) {
6012 elferr = elf_errno();
6014 warnx("elf_getdata failed: %s", elf_errmsg(-1));
6020 for (i = 0, p = d->d_buf; (size_t) i < d->d_size; i += 16) {
6021 printf(" 0x%08x", (unsigned int) i);
6022 if ((size_t) i + 16 > d->d_size)
6026 for (j = i; j < i + 16; j++) {
6027 if ((j - i) % 4 == 0)
6033 printf("%02x", (uint8_t) p[j]);
6036 for (j = i; j < end; j++) {
6049 loc_at_comparator(const void *la1, const void *la2)
6051 const struct loc_at *left, *right;
6053 left = (const struct loc_at *)la1;
6054 right = (const struct loc_at *)la2;
6056 if (left->la_off > right->la_off)
6058 else if (left->la_off < right->la_off)
6065 search_loclist_at(struct readelf *re, Dwarf_Die die, Dwarf_Unsigned lowpc,
6066 struct loc_at **la_list, size_t *la_list_len, size_t *la_list_cap)
6069 Dwarf_Attribute *attr_list;
6073 Dwarf_Signed attr_count;
6074 Dwarf_Half attr, form;
6079 is_info = dwarf_get_die_infotypes_flag(die);
6081 if ((ret = dwarf_attrlist(die, &attr_list, &attr_count, &de)) !=
6083 if (ret == DW_DLV_ERROR)
6084 warnx("dwarf_attrlist failed: %s", dwarf_errmsg(de));
6087 for (i = 0; i < attr_count; i++) {
6088 if (dwarf_whatattr(attr_list[i], &attr, &de) != DW_DLV_OK) {
6089 warnx("dwarf_whatattr failed: %s", dwarf_errmsg(de));
6092 if (attr != DW_AT_location &&
6093 attr != DW_AT_string_length &&
6094 attr != DW_AT_return_addr &&
6095 attr != DW_AT_data_member_location &&
6096 attr != DW_AT_frame_base &&
6097 attr != DW_AT_segment &&
6098 attr != DW_AT_static_link &&
6099 attr != DW_AT_use_location &&
6100 attr != DW_AT_vtable_elem_location)
6102 if (dwarf_whatform(attr_list[i], &form, &de) != DW_DLV_OK) {
6103 warnx("dwarf_whatform failed: %s", dwarf_errmsg(de));
6106 if (form == DW_FORM_data4 || form == DW_FORM_data8) {
6107 if (dwarf_formudata(attr_list[i], &off, &de) !=
6109 warnx("dwarf_formudata failed: %s",
6113 } else if (form == DW_FORM_sec_offset) {
6114 if (dwarf_global_formref(attr_list[i], &ref, &de) !=
6116 warnx("dwarf_global_formref failed: %s",
6124 if (*la_list_cap == *la_list_len) {
6125 *la_list = realloc(*la_list,
6126 *la_list_cap * 2 * sizeof(**la_list));
6127 if (la_list == NULL)
6128 errx(EXIT_FAILURE, "realloc failed");
6131 la = &((*la_list)[*la_list_len]);
6132 la->la_at = attr_list[i];
6134 la->la_lowpc = lowpc;
6135 la->la_cu_psize = re->cu_psize;
6136 la->la_cu_osize = re->cu_osize;
6137 la->la_cu_ver = re->cu_ver;
6142 /* Search children. */
6143 ret = dwarf_child(die, &ret_die, &de);
6144 if (ret == DW_DLV_ERROR)
6145 warnx("dwarf_child: %s", dwarf_errmsg(de));
6146 else if (ret == DW_DLV_OK)
6147 search_loclist_at(re, ret_die, lowpc, la_list,
6148 la_list_len, la_list_cap);
6150 /* Search sibling. */
6151 ret = dwarf_siblingof_b(re->dbg, die, &ret_die, is_info, &de);
6152 if (ret == DW_DLV_ERROR)
6153 warnx("dwarf_siblingof: %s", dwarf_errmsg(de));
6154 else if (ret == DW_DLV_OK)
6155 search_loclist_at(re, ret_die, lowpc, la_list,
6156 la_list_len, la_list_cap);
6160 dump_dwarf_loc(struct readelf *re, Dwarf_Loc *lr)
6167 if (dwarf_get_OP_name(lr->lr_atom, &op_str) !=
6169 snprintf(unk_op, sizeof(unk_op),
6170 "[Unknown OP: %#x]", lr->lr_atom);
6174 printf("%s", op_str);
6176 switch (lr->lr_atom) {
6209 printf(" (%s)", dwarf_regname(re, lr->lr_atom - DW_OP_reg0));
6272 case DW_OP_push_object_address:
6273 case DW_OP_form_tls_address:
6274 case DW_OP_call_frame_cfa:
6275 case DW_OP_stack_value:
6276 case DW_OP_GNU_push_tls_address:
6277 case DW_OP_GNU_uninit:
6282 case DW_OP_deref_size:
6283 case DW_OP_xderef_size:
6290 case DW_OP_plus_uconst:
6293 printf(": %ju", (uintmax_t)
6302 printf(": %jd", (intmax_t)
6338 printf(" (%s): %jd",
6339 dwarf_regname(re, lr->lr_atom - DW_OP_breg0),
6340 (intmax_t) lr->lr_number);
6344 printf(": %jd", (intmax_t)
6349 printf(": %ju (%s) %jd",
6350 (uintmax_t) lr->lr_number,
6351 dwarf_regname(re, (unsigned int) lr->lr_number),
6352 (intmax_t) lr->lr_number2);
6356 case DW_OP_GNU_encoded_addr:
6357 printf(": %#jx", (uintmax_t)
6361 case DW_OP_GNU_implicit_pointer:
6362 printf(": <0x%jx> %jd", (uintmax_t) lr->lr_number,
6363 (intmax_t) lr->lr_number2);
6366 case DW_OP_implicit_value:
6367 printf(": %ju byte block:", (uintmax_t) lr->lr_number);
6368 b = (uint8_t *)(uintptr_t) lr->lr_number2;
6369 for (i = 0; (Dwarf_Unsigned) i < lr->lr_number; i++)
6370 printf(" %x", b[i]);
6373 case DW_OP_GNU_entry_value:
6375 dump_dwarf_block(re, (uint8_t *)(uintptr_t) lr->lr_number2,
6380 case DW_OP_GNU_const_type:
6381 printf(": <0x%jx> ", (uintmax_t) lr->lr_number);
6382 b = (uint8_t *)(uintptr_t) lr->lr_number2;
6384 for (i = 1; (uint8_t) i < n; i++)
6385 printf(" %x", b[i]);
6388 case DW_OP_GNU_regval_type:
6389 printf(": %ju (%s) <0x%jx>", (uintmax_t) lr->lr_number,
6390 dwarf_regname(re, (unsigned int) lr->lr_number),
6391 (uintmax_t) lr->lr_number2);
6394 case DW_OP_GNU_convert:
6395 case DW_OP_GNU_deref_type:
6396 case DW_OP_GNU_parameter_ref:
6397 case DW_OP_GNU_reinterpret:
6398 printf(": <0x%jx>", (uintmax_t) lr->lr_number);
6407 dump_dwarf_block(struct readelf *re, uint8_t *b, Dwarf_Unsigned len)
6409 Dwarf_Locdesc *llbuf;
6414 if (dwarf_loclist_from_expr_b(re->dbg, b, len, re->cu_psize,
6415 re->cu_osize, re->cu_ver, &llbuf, &lcnt, &de) != DW_DLV_OK) {
6416 warnx("dwarf_loclist_form_expr_b: %s", dwarf_errmsg(de));
6420 for (i = 0; (Dwarf_Half) i < llbuf->ld_cents; i++) {
6421 dump_dwarf_loc(re, &llbuf->ld_s[i]);
6422 if (i < llbuf->ld_cents - 1)
6426 dwarf_dealloc(re->dbg, llbuf->ld_s, DW_DLA_LOC_BLOCK);
6427 dwarf_dealloc(re->dbg, llbuf, DW_DLA_LOCDESC);
6431 dump_dwarf_loclist(struct readelf *re)
6434 Dwarf_Locdesc **llbuf;
6435 Dwarf_Unsigned lowpc;
6437 Dwarf_Half tag, version, pointer_size, off_size;
6439 struct loc_at *la_list, *left, *right, *la;
6440 size_t la_list_len, la_list_cap;
6441 unsigned int duplicates, k;
6442 int i, j, ret, has_content;
6446 if ((la_list = calloc(la_list_cap, sizeof(struct loc_at))) == NULL)
6447 errx(EXIT_FAILURE, "calloc failed");
6448 /* Search .debug_info section. */
6449 while ((ret = dwarf_next_cu_header_b(re->dbg, NULL, &version, NULL,
6450 &pointer_size, &off_size, NULL, NULL, &de)) == DW_DLV_OK) {
6451 set_cu_context(re, pointer_size, off_size, version);
6453 if (dwarf_siblingof(re->dbg, die, &die, &de) != DW_DLV_OK)
6455 if (dwarf_tag(die, &tag, &de) != DW_DLV_OK) {
6456 warnx("dwarf_tag failed: %s", dwarf_errmsg(de));
6459 /* XXX: What about DW_TAG_partial_unit? */
6461 if (tag == DW_TAG_compile_unit) {
6462 if (dwarf_attrval_unsigned(die, DW_AT_low_pc,
6463 &lowpc, &de) != DW_DLV_OK)
6467 /* Search attributes for reference to .debug_loc section. */
6468 search_loclist_at(re, die, lowpc, &la_list,
6469 &la_list_len, &la_list_cap);
6471 if (ret == DW_DLV_ERROR)
6472 warnx("dwarf_next_cu_header: %s", dwarf_errmsg(de));
6474 /* Search .debug_types section. */
6476 while ((ret = dwarf_next_cu_header_c(re->dbg, 0, NULL,
6477 &version, NULL, &pointer_size, &off_size, NULL, NULL,
6478 NULL, NULL, &de)) == DW_DLV_OK) {
6479 set_cu_context(re, pointer_size, off_size, version);
6481 if (dwarf_siblingof(re->dbg, die, &die, &de) !=
6484 if (dwarf_tag(die, &tag, &de) != DW_DLV_OK) {
6485 warnx("dwarf_tag failed: %s",
6491 if (tag == DW_TAG_type_unit) {
6492 if (dwarf_attrval_unsigned(die, DW_AT_low_pc,
6493 &lowpc, &de) != DW_DLV_OK)
6498 * Search attributes for reference to .debug_loc
6501 search_loclist_at(re, die, lowpc, &la_list,
6502 &la_list_len, &la_list_cap);
6504 if (ret == DW_DLV_ERROR)
6505 warnx("dwarf_next_cu_header: %s", dwarf_errmsg(de));
6506 } while (dwarf_next_types_section(re->dbg, &de) == DW_DLV_OK);
6508 if (la_list_len == 0) {
6513 /* Sort la_list using loc_at_comparator. */
6514 qsort(la_list, la_list_len, sizeof(struct loc_at), loc_at_comparator);
6516 /* Get rid of the duplicates in la_list. */
6518 for (k = 1; k < la_list_len; ++k) {
6519 left = &la_list[k - 1 - duplicates];
6520 right = &la_list[k];
6522 if (left->la_off == right->la_off)
6525 la_list[k - duplicates] = *right;
6527 la_list_len -= duplicates;
6530 for (k = 0; k < la_list_len; ++k) {
6532 if ((ret = dwarf_loclist_n(la->la_at, &llbuf, &lcnt, &de)) !=
6534 if (ret != DW_DLV_NO_ENTRY)
6535 warnx("dwarf_loclist_n failed: %s",
6541 printf("\nContents of section .debug_loc:\n");
6542 printf(" Offset Begin End Expression\n");
6544 set_cu_context(re, la->la_cu_psize, la->la_cu_osize,
6546 for (i = 0; i < lcnt; i++) {
6547 printf(" %8.8jx ", (uintmax_t) la->la_off);
6548 if (llbuf[i]->ld_lopc == 0 && llbuf[i]->ld_hipc == 0) {
6549 printf("<End of list>\n");
6553 /* TODO: handle base selection entry. */
6555 printf("%8.8jx %8.8jx ",
6556 (uintmax_t) (la->la_lowpc + llbuf[i]->ld_lopc),
6557 (uintmax_t) (la->la_lowpc + llbuf[i]->ld_hipc));
6560 for (j = 0; (Dwarf_Half) j < llbuf[i]->ld_cents; j++) {
6561 dump_dwarf_loc(re, &llbuf[i]->ld_s[j]);
6562 if (j < llbuf[i]->ld_cents - 1)
6567 if (llbuf[i]->ld_lopc == llbuf[i]->ld_hipc)
6568 printf(" (start == end)");
6571 for (i = 0; i < lcnt; i++) {
6572 dwarf_dealloc(re->dbg, llbuf[i]->ld_s,
6574 dwarf_dealloc(re->dbg, llbuf[i], DW_DLA_LOCDESC);
6576 dwarf_dealloc(re->dbg, llbuf, DW_DLA_LIST);
6580 printf("\nSection '.debug_loc' has no debugging data.\n");
6586 * Retrieve a string using string table section index and the string offset.
6589 get_string(struct readelf *re, int strtab, size_t off)
6593 if ((name = elf_strptr(re->elf, strtab, off)) == NULL)
6600 * Retrieve the name of a symbol using the section index of the symbol
6601 * table and the index of the symbol within that table.
6604 get_symbol_name(struct readelf *re, int symtab, int i)
6612 s = &re->sl[symtab];
6613 if (s->type != SHT_SYMTAB && s->type != SHT_DYNSYM)
6616 if ((data = elf_getdata(s->scn, NULL)) == NULL) {
6617 elferr = elf_errno();
6619 warnx("elf_getdata failed: %s", elf_errmsg(elferr));
6622 if (gelf_getsym(data, i, &sym) != &sym)
6624 /* Return section name for STT_SECTION symbol. */
6625 if (GELF_ST_TYPE(sym.st_info) == STT_SECTION) {
6626 if (sym.st_shndx < re->shnum &&
6627 re->sl[sym.st_shndx].name != NULL)
6628 return (re->sl[sym.st_shndx].name);
6631 if (s->link >= re->shnum ||
6632 (name = elf_strptr(re->elf, s->link, sym.st_name)) == NULL)
6639 get_symbol_value(struct readelf *re, int symtab, int i)
6646 s = &re->sl[symtab];
6647 if (s->type != SHT_SYMTAB && s->type != SHT_DYNSYM)
6650 if ((data = elf_getdata(s->scn, NULL)) == NULL) {
6651 elferr = elf_errno();
6653 warnx("elf_getdata failed: %s", elf_errmsg(elferr));
6656 if (gelf_getsym(data, i, &sym) != &sym)
6659 return (sym.st_value);
6663 hex_dump(struct readelf *re)
6672 for (i = 1; (size_t) i < re->shnum; i++) {
6674 if (find_dumpop(re, (size_t) i, s->name, HEX_DUMP, -1) == NULL)
6677 if ((d = elf_getdata(s->scn, NULL)) == NULL &&
6678 (d = elf_rawdata(s->scn, NULL)) == NULL) {
6679 elferr = elf_errno();
6681 warnx("elf_getdata failed: %s",
6682 elf_errmsg(elferr));
6686 if (d->d_size <= 0 || d->d_buf == NULL) {
6687 printf("\nSection '%s' has no data to dump.\n",
6694 printf("\nHex dump of section '%s':\n", s->name);
6696 printf(" 0x%8.8jx ", (uintmax_t)addr);
6697 nbytes = sz > 16? 16 : sz;
6698 for (j = 0; j < 16; j++) {
6699 if ((size_t)j < nbytes)
6700 printf("%2.2x", buf[j]);
6706 for (j = 0; (size_t)j < nbytes; j++) {
6707 if (isprint(buf[j]))
6708 printf("%c", buf[j]);
6721 str_dump(struct readelf *re)
6725 unsigned char *start, *end, *buf_end;
6727 int i, j, elferr, found;
6729 for (i = 1; (size_t) i < re->shnum; i++) {
6731 if (find_dumpop(re, (size_t) i, s->name, STR_DUMP, -1) == NULL)
6734 if ((d = elf_getdata(s->scn, NULL)) == NULL &&
6735 (d = elf_rawdata(s->scn, NULL)) == NULL) {
6736 elferr = elf_errno();
6738 warnx("elf_getdata failed: %s",
6739 elf_errmsg(elferr));
6743 if (d->d_size <= 0 || d->d_buf == NULL) {
6744 printf("\nSection '%s' has no data to dump.\n",
6748 buf_end = (unsigned char *) d->d_buf + d->d_size;
6749 start = (unsigned char *) d->d_buf;
6751 printf("\nString dump of section '%s':\n", s->name);
6753 while (start < buf_end && !isprint(*start))
6755 if (start >= buf_end)
6758 while (end < buf_end && isprint(*end))
6761 (long) (start - (unsigned char *) d->d_buf));
6763 for (j = 0; (unsigned int) j < len; j++)
6772 printf(" No strings found in this section.");
6778 load_sections(struct readelf *re)
6784 size_t shstrndx, ndx;
6787 /* Allocate storage for internal section list. */
6788 if (!elf_getshnum(re->elf, &re->shnum)) {
6789 warnx("elf_getshnum failed: %s", elf_errmsg(-1));
6794 if ((re->sl = calloc(re->shnum, sizeof(*re->sl))) == NULL)
6795 err(EXIT_FAILURE, "calloc failed");
6797 /* Get the index of .shstrtab section. */
6798 if (!elf_getshstrndx(re->elf, &shstrndx)) {
6799 warnx("elf_getshstrndx failed: %s", elf_errmsg(-1));
6803 if ((scn = elf_getscn(re->elf, 0)) == NULL)
6808 if (gelf_getshdr(scn, &sh) == NULL) {
6809 warnx("gelf_getshdr failed: %s", elf_errmsg(-1));
6813 if ((name = elf_strptr(re->elf, shstrndx, sh.sh_name)) == NULL) {
6817 if ((ndx = elf_ndxscn(scn)) == SHN_UNDEF) {
6818 if ((elferr = elf_errno()) != 0) {
6819 warnx("elf_ndxscn failed: %s",
6820 elf_errmsg(elferr));
6824 if (ndx >= re->shnum) {
6825 warnx("section index of '%s' out of range", name);
6828 if (sh.sh_link >= re->shnum)
6829 warnx("section link %llu of '%s' out of range",
6830 (unsigned long long)sh.sh_link, name);
6834 s->off = sh.sh_offset;
6836 s->entsize = sh.sh_entsize;
6837 s->align = sh.sh_addralign;
6838 s->type = sh.sh_type;
6839 s->flags = sh.sh_flags;
6840 s->addr = sh.sh_addr;
6841 s->link = sh.sh_link;
6842 s->info = sh.sh_info;
6843 } while ((scn = elf_nextscn(re->elf, scn)) != NULL);
6844 elferr = elf_errno();
6846 warnx("elf_nextscn failed: %s", elf_errmsg(elferr));
6850 unload_sections(struct readelf *re)
6853 if (re->sl != NULL) {
6863 if (re->ver != NULL) {
6871 dump_elf(struct readelf *re)
6874 /* Fetch ELF header. No need to continue if it fails. */
6875 if (gelf_getehdr(re->elf, &re->ehdr) == NULL) {
6876 warnx("gelf_getehdr failed: %s", elf_errmsg(-1));
6879 if ((re->ec = gelf_getclass(re->elf)) == ELFCLASSNONE) {
6880 warnx("gelf_getclass failed: %s", elf_errmsg(-1));
6883 if (re->ehdr.e_ident[EI_DATA] == ELFDATA2MSB) {
6884 re->dw_read = _read_msb;
6885 re->dw_decode = _decode_msb;
6887 re->dw_read = _read_lsb;
6888 re->dw_decode = _decode_lsb;
6891 if (re->options & ~RE_H)
6893 if ((re->options & RE_VV) || (re->options & RE_S))
6895 if (re->options & RE_H)
6897 if (re->options & RE_L)
6899 if (re->options & RE_SS)
6901 if (re->options & RE_G)
6902 dump_section_groups(re);
6903 if (re->options & RE_D)
6905 if (re->options & RE_R)
6907 if (re->options & RE_S)
6909 if (re->options & RE_N)
6911 if (re->options & RE_II)
6913 if (re->options & RE_X)
6915 if (re->options & RE_P)
6917 if (re->options & RE_VV)
6919 if (re->options & RE_AA)
6920 dump_arch_specific_info(re);
6921 if (re->options & RE_W)
6923 if (re->options & ~RE_H)
6924 unload_sections(re);
6928 dump_dwarf(struct readelf *re)
6933 if (dwarf_elf_init(re->elf, DW_DLC_READ, NULL, NULL, &re->dbg, &de)) {
6934 if ((error = dwarf_errno(de)) != DW_DLE_DEBUG_INFO_NULL)
6935 errx(EXIT_FAILURE, "dwarf_elf_init failed: %s",
6941 dump_dwarf_abbrev(re);
6943 dump_dwarf_line(re);
6944 if (re->dop & DW_LL)
6945 dump_dwarf_line_decoded(re);
6946 if (re->dop & DW_I) {
6947 dump_dwarf_info(re, 0);
6948 dump_dwarf_info(re, 1);
6951 dump_dwarf_pubnames(re);
6953 dump_dwarf_aranges(re);
6954 if (re->dop & DW_RR)
6955 dump_dwarf_ranges(re);
6957 dump_dwarf_macinfo(re);
6959 dump_dwarf_frame(re, 0);
6960 else if (re->dop & DW_FF)
6961 dump_dwarf_frame(re, 1);
6965 dump_dwarf_loclist(re);
6967 dwarf_finish(re->dbg, &de);
6971 dump_ar(struct readelf *re, int fd)
6983 if (re->options & RE_C) {
6984 if ((arsym = elf_getarsym(re->ar, &sz)) == NULL) {
6985 warnx("elf_getarsym() failed: %s", elf_errmsg(-1));
6986 goto process_members;
6988 printf("Index of archive %s: (%ju entries)\n", re->filename,
6989 (uintmax_t) sz - 1);
6991 for (i = 0; (size_t) i < sz; i++) {
6992 if (arsym[i].as_name == NULL)
6994 if (arsym[i].as_off != off) {
6995 off = arsym[i].as_off;
6996 if (elf_rand(re->ar, off) != off) {
6997 warnx("elf_rand() failed: %s",
7001 if ((e = elf_begin(fd, ELF_C_READ, re->ar)) ==
7003 warnx("elf_begin() failed: %s",
7007 if ((arhdr = elf_getarhdr(e)) == NULL) {
7008 warnx("elf_getarhdr() failed: %s",
7013 printf("Binary %s(%s) contains:\n",
7014 re->filename, arhdr->ar_name);
7016 printf("\t%s\n", arsym[i].as_name);
7018 if (elf_rand(re->ar, SARMAG) != SARMAG) {
7019 warnx("elf_rand() failed: %s", elf_errmsg(-1));
7026 if ((re->options & ~RE_C) == 0)
7030 while ((re->elf = elf_begin(fd, cmd, re->ar)) != NULL) {
7031 if ((arhdr = elf_getarhdr(re->elf)) == NULL) {
7032 warnx("elf_getarhdr() failed: %s", elf_errmsg(-1));
7035 if (strcmp(arhdr->ar_name, "/") == 0 ||
7036 strcmp(arhdr->ar_name, "//") == 0 ||
7037 strcmp(arhdr->ar_name, "__.SYMDEF") == 0)
7039 printf("\nFile: %s(%s)\n", re->filename, arhdr->ar_name);
7043 cmd = elf_next(re->elf);
7050 dump_object(struct readelf *re)
7054 if ((fd = open(re->filename, O_RDONLY)) == -1) {
7055 warn("open %s failed", re->filename);
7059 if ((re->flags & DISPLAY_FILENAME) != 0)
7060 printf("\nFile: %s\n", re->filename);
7062 if ((re->elf = elf_begin(fd, ELF_C_READ, NULL)) == NULL) {
7063 warnx("elf_begin() failed: %s", elf_errmsg(-1));
7067 switch (elf_kind(re->elf)) {
7069 warnx("Not an ELF file.");
7078 warnx("Internal: libelf returned unknown elf kind.");
7086 add_dumpop(struct readelf *re, size_t si, const char *sn, int op, int t)
7090 if ((d = find_dumpop(re, si, sn, -1, t)) == NULL) {
7091 if ((d = calloc(1, sizeof(*d))) == NULL)
7092 err(EXIT_FAILURE, "calloc failed");
7093 if (t == DUMP_BY_INDEX)
7099 STAILQ_INSERT_TAIL(&re->v_dumpop, d, dumpop_list);
7104 static struct dumpop *
7105 find_dumpop(struct readelf *re, size_t si, const char *sn, int op, int t)
7109 STAILQ_FOREACH(d, &re->v_dumpop, dumpop_list) {
7110 if ((op == -1 || op & d->op) &&
7111 (t == -1 || (unsigned) t == d->type)) {
7112 if ((d->type == DUMP_BY_INDEX && d->u.si == si) ||
7113 (d->type == DUMP_BY_NAME && !strcmp(d->u.sn, sn)))
7126 {"rawline", 'l', DW_L},
7127 {"decodedline", 'L', DW_LL},
7128 {"info", 'i', DW_I},
7129 {"abbrev", 'a', DW_A},
7130 {"pubnames", 'p', DW_P},
7131 {"aranges", 'r', DW_R},
7132 {"ranges", 'r', DW_R},
7133 {"Ranges", 'R', DW_RR},
7134 {"macro", 'm', DW_M},
7135 {"frames", 'f', DW_F},
7136 {"frames-interp", 'F', DW_FF},
7143 parse_dwarf_op_short(struct readelf *re, const char *op)
7148 re->dop |= DW_DEFAULT_OPTIONS;
7152 for (; *op != '\0'; op++) {
7153 for (i = 0; dwarf_op[i].ln != NULL; i++) {
7154 if (dwarf_op[i].sn == *op) {
7155 re->dop |= dwarf_op[i].value;
7163 parse_dwarf_op_long(struct readelf *re, const char *op)
7165 char *p, *token, *bp;
7169 re->dop |= DW_DEFAULT_OPTIONS;
7173 if ((p = strdup(op)) == NULL)
7174 err(EXIT_FAILURE, "strdup failed");
7177 while ((token = strsep(&p, ",")) != NULL) {
7178 for (i = 0; dwarf_op[i].ln != NULL; i++) {
7179 if (!strcmp(token, dwarf_op[i].ln)) {
7180 re->dop |= dwarf_op[i].value;
7190 _read_lsb(Elf_Data *d, uint64_t *offsetp, int bytes_to_read)
7195 src = (uint8_t *) d->d_buf + *offsetp;
7198 switch (bytes_to_read) {
7200 ret |= ((uint64_t) src[4]) << 32 | ((uint64_t) src[5]) << 40;
7201 ret |= ((uint64_t) src[6]) << 48 | ((uint64_t) src[7]) << 56;
7204 ret |= ((uint64_t) src[2]) << 16 | ((uint64_t) src[3]) << 24;
7207 ret |= ((uint64_t) src[1]) << 8;
7216 *offsetp += bytes_to_read;
7222 _read_msb(Elf_Data *d, uint64_t *offsetp, int bytes_to_read)
7227 src = (uint8_t *) d->d_buf + *offsetp;
7229 switch (bytes_to_read) {
7234 ret = src[1] | ((uint64_t) src[0]) << 8;
7237 ret = src[3] | ((uint64_t) src[2]) << 8;
7238 ret |= ((uint64_t) src[1]) << 16 | ((uint64_t) src[0]) << 24;
7241 ret = src[7] | ((uint64_t) src[6]) << 8;
7242 ret |= ((uint64_t) src[5]) << 16 | ((uint64_t) src[4]) << 24;
7243 ret |= ((uint64_t) src[3]) << 32 | ((uint64_t) src[2]) << 40;
7244 ret |= ((uint64_t) src[1]) << 48 | ((uint64_t) src[0]) << 56;
7250 *offsetp += bytes_to_read;
7256 _decode_lsb(uint8_t **data, int bytes_to_read)
7264 switch (bytes_to_read) {
7266 ret |= ((uint64_t) src[4]) << 32 | ((uint64_t) src[5]) << 40;
7267 ret |= ((uint64_t) src[6]) << 48 | ((uint64_t) src[7]) << 56;
7270 ret |= ((uint64_t) src[2]) << 16 | ((uint64_t) src[3]) << 24;
7273 ret |= ((uint64_t) src[1]) << 8;
7282 *data += bytes_to_read;
7288 _decode_msb(uint8_t **data, int bytes_to_read)
7296 switch (bytes_to_read) {
7301 ret = src[1] | ((uint64_t) src[0]) << 8;
7304 ret = src[3] | ((uint64_t) src[2]) << 8;
7305 ret |= ((uint64_t) src[1]) << 16 | ((uint64_t) src[0]) << 24;
7308 ret = src[7] | ((uint64_t) src[6]) << 8;
7309 ret |= ((uint64_t) src[5]) << 16 | ((uint64_t) src[4]) << 24;
7310 ret |= ((uint64_t) src[3]) << 32 | ((uint64_t) src[2]) << 40;
7311 ret |= ((uint64_t) src[1]) << 48 | ((uint64_t) src[0]) << 56;
7318 *data += bytes_to_read;
7324 _decode_sleb128(uint8_t **dp, uint8_t *dpe)
7336 ret |= ((b & 0x7f) << shift);
7338 } while ((b & 0x80) != 0);
7340 if (shift < 32 && (b & 0x40) != 0)
7341 ret |= (-1 << shift);
7349 _decode_uleb128(uint8_t **dp, uint8_t *dpe)
7361 ret |= ((b & 0x7f) << shift);
7363 } while ((b & 0x80) != 0);
7371 readelf_version(void)
7373 (void) printf("%s (%s)\n", ELFTC_GETPROGNAME(),
7378 #define USAGE_MESSAGE "\
7379 Usage: %s [options] file...\n\
7380 Display information about ELF objects and ar(1) archives.\n\n\
7382 -a | --all Equivalent to specifying options '-dhIlrsASV'.\n\
7383 -c | --archive-index Print the archive symbol table for archives.\n\
7384 -d | --dynamic Print the contents of SHT_DYNAMIC sections.\n\
7385 -e | --headers Print all headers in the object.\n\
7386 -g | --section-groups Print the contents of the section groups.\n\
7387 -h | --file-header Print the file header for the object.\n\
7388 -l | --program-headers Print the PHDR table for the object.\n\
7389 -n | --notes Print the contents of SHT_NOTE sections.\n\
7390 -p INDEX | --string-dump=INDEX\n\
7391 Print the contents of section at index INDEX.\n\
7392 -r | --relocs Print relocation information.\n\
7393 -s | --syms | --symbols Print symbol tables.\n\
7394 -t | --section-details Print additional information about sections.\n\
7395 -v | --version Print a version identifier and exit.\n\
7396 -w[afilmoprsFLR] | --debug-dump={abbrev,aranges,decodedline,frames,\n\
7397 frames-interp,info,loc,macro,pubnames,\n\
7398 ranges,Ranges,rawline,str}\n\
7399 Display DWARF information.\n\
7400 -x INDEX | --hex-dump=INDEX\n\
7401 Display contents of a section as hexadecimal.\n\
7402 -A | --arch-specific (accepted, but ignored)\n\
7403 -D | --use-dynamic Print the symbol table specified by the DT_SYMTAB\n\
7404 entry in the \".dynamic\" section.\n\
7405 -H | --help Print a help message.\n\
7406 -I | --histogram Print information on bucket list lengths for \n\
7408 -N | --full-section-name (accepted, but ignored)\n\
7409 -S | --sections | --section-headers\n\
7410 Print information about section headers.\n\
7411 -V | --version-info Print symbol versoning information.\n\
7412 -W | --wide Print information without wrapping long lines.\n"
7416 readelf_usage(int status)
7418 fprintf(stderr, USAGE_MESSAGE, ELFTC_GETPROGNAME());
7423 main(int argc, char **argv)
7425 struct readelf *re, re_storage;
7431 memset(re, 0, sizeof(*re));
7432 STAILQ_INIT(&re->v_dumpop);
7434 while ((opt = getopt_long(argc, argv, "AacDdegHhIi:lNnp:rSstuVvWw::x:",
7435 longopts, NULL)) != -1) {
7438 readelf_usage(EXIT_SUCCESS);
7441 re->options |= RE_AA;
7444 re->options |= RE_AA | RE_D | RE_G | RE_H | RE_II |
7445 RE_L | RE_R | RE_SS | RE_S | RE_VV;
7448 re->options |= RE_C;
7451 re->options |= RE_DD;
7454 re->options |= RE_D;
7457 re->options |= RE_H | RE_L | RE_SS;
7460 re->options |= RE_G;
7463 readelf_usage(EXIT_SUCCESS);
7466 re->options |= RE_H;
7469 re->options |= RE_II;
7472 /* Not implemented yet. */
7475 re->options |= RE_L;
7478 re->options |= RE_NN;
7481 re->options |= RE_N;
7484 re->options |= RE_P;
7485 si = strtoul(optarg, &ep, 10);
7487 add_dumpop(re, (size_t) si, NULL, STR_DUMP,
7490 add_dumpop(re, 0, optarg, STR_DUMP,
7494 re->options |= RE_R;
7497 re->options |= RE_SS;
7500 re->options |= RE_S;
7503 re->options |= RE_T;
7506 re->options |= RE_U;
7509 re->options |= RE_VV;
7515 re->options |= RE_WW;
7518 re->options |= RE_W;
7519 parse_dwarf_op_short(re, optarg);
7522 re->options |= RE_X;
7523 si = strtoul(optarg, &ep, 10);
7525 add_dumpop(re, (size_t) si, NULL, HEX_DUMP,
7528 add_dumpop(re, 0, optarg, HEX_DUMP,
7531 case OPTION_DEBUG_DUMP:
7532 re->options |= RE_W;
7533 parse_dwarf_op_long(re, optarg);
7540 if (argc == 0 || re->options == 0)
7541 readelf_usage(EXIT_FAILURE);
7544 re->flags |= DISPLAY_FILENAME;
7546 if (elf_version(EV_CURRENT) == EV_NONE)
7547 errx(EXIT_FAILURE, "ELF library initialization failed: %s",
7550 for (i = 0; i < argc; i++) {
7551 re->filename = argv[i];