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 3469 2016-05-15 23:16:09Z 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'},
223 static void add_dumpop(struct readelf *re, size_t si, const char *sn, int op,
225 static const char *aeabi_adv_simd_arch(uint64_t simd);
226 static const char *aeabi_align_needed(uint64_t an);
227 static const char *aeabi_align_preserved(uint64_t ap);
228 static const char *aeabi_arm_isa(uint64_t ai);
229 static const char *aeabi_cpu_arch(uint64_t arch);
230 static const char *aeabi_cpu_arch_profile(uint64_t pf);
231 static const char *aeabi_div(uint64_t du);
232 static const char *aeabi_enum_size(uint64_t es);
233 static const char *aeabi_fp_16bit_format(uint64_t fp16);
234 static const char *aeabi_fp_arch(uint64_t fp);
235 static const char *aeabi_fp_denormal(uint64_t fd);
236 static const char *aeabi_fp_exceptions(uint64_t fe);
237 static const char *aeabi_fp_hpext(uint64_t fh);
238 static const char *aeabi_fp_number_model(uint64_t fn);
239 static const char *aeabi_fp_optm_goal(uint64_t fog);
240 static const char *aeabi_fp_rounding(uint64_t fr);
241 static const char *aeabi_hardfp(uint64_t hfp);
242 static const char *aeabi_mpext(uint64_t mp);
243 static const char *aeabi_optm_goal(uint64_t og);
244 static const char *aeabi_pcs_config(uint64_t pcs);
245 static const char *aeabi_pcs_got(uint64_t got);
246 static const char *aeabi_pcs_r9(uint64_t r9);
247 static const char *aeabi_pcs_ro(uint64_t ro);
248 static const char *aeabi_pcs_rw(uint64_t rw);
249 static const char *aeabi_pcs_wchar_t(uint64_t wt);
250 static const char *aeabi_t2ee(uint64_t t2ee);
251 static const char *aeabi_thumb_isa(uint64_t ti);
252 static const char *aeabi_fp_user_exceptions(uint64_t fu);
253 static const char *aeabi_unaligned_access(uint64_t ua);
254 static const char *aeabi_vfp_args(uint64_t va);
255 static const char *aeabi_virtual(uint64_t vt);
256 static const char *aeabi_wmmx_arch(uint64_t wmmx);
257 static const char *aeabi_wmmx_args(uint64_t wa);
258 static const char *elf_class(unsigned int class);
259 static const char *elf_endian(unsigned int endian);
260 static const char *elf_machine(unsigned int mach);
261 static const char *elf_osabi(unsigned int abi);
262 static const char *elf_type(unsigned int type);
263 static const char *elf_ver(unsigned int ver);
264 static const char *dt_type(unsigned int mach, unsigned int dtype);
265 static void dump_ar(struct readelf *re, int);
266 static void dump_arm_attributes(struct readelf *re, uint8_t *p, uint8_t *pe);
267 static void dump_attributes(struct readelf *re);
268 static uint8_t *dump_compatibility_tag(uint8_t *p, uint8_t *pe);
269 static void dump_dwarf(struct readelf *re);
270 static void dump_dwarf_abbrev(struct readelf *re);
271 static void dump_dwarf_aranges(struct readelf *re);
272 static void dump_dwarf_block(struct readelf *re, uint8_t *b,
274 static void dump_dwarf_die(struct readelf *re, Dwarf_Die die, int level);
275 static void dump_dwarf_frame(struct readelf *re, int alt);
276 static void dump_dwarf_frame_inst(struct readelf *re, Dwarf_Cie cie,
277 uint8_t *insts, Dwarf_Unsigned len, Dwarf_Unsigned caf, Dwarf_Signed daf,
278 Dwarf_Addr pc, Dwarf_Debug dbg);
279 static int dump_dwarf_frame_regtable(struct readelf *re, Dwarf_Fde fde,
280 Dwarf_Addr pc, Dwarf_Unsigned func_len, Dwarf_Half cie_ra);
281 static void dump_dwarf_frame_section(struct readelf *re, struct section *s,
283 static void dump_dwarf_info(struct readelf *re, Dwarf_Bool is_info);
284 static void dump_dwarf_macinfo(struct readelf *re);
285 static void dump_dwarf_line(struct readelf *re);
286 static void dump_dwarf_line_decoded(struct readelf *re);
287 static void dump_dwarf_loc(struct readelf *re, Dwarf_Loc *lr);
288 static void dump_dwarf_loclist(struct readelf *re);
289 static void dump_dwarf_pubnames(struct readelf *re);
290 static void dump_dwarf_ranges(struct readelf *re);
291 static void dump_dwarf_ranges_foreach(struct readelf *re, Dwarf_Die die,
293 static void dump_dwarf_str(struct readelf *re);
294 static void dump_eflags(struct readelf *re, uint64_t e_flags);
295 static void dump_elf(struct readelf *re);
296 static void dump_dyn_val(struct readelf *re, GElf_Dyn *dyn, uint32_t stab);
297 static void dump_dynamic(struct readelf *re);
298 static void dump_liblist(struct readelf *re);
299 static void dump_mips_attributes(struct readelf *re, uint8_t *p, uint8_t *pe);
300 static void dump_mips_odk_reginfo(struct readelf *re, uint8_t *p, size_t sz);
301 static void dump_mips_options(struct readelf *re, struct section *s);
302 static void dump_mips_option_flags(const char *name, struct mips_option *opt,
304 static void dump_mips_reginfo(struct readelf *re, struct section *s);
305 static void dump_mips_specific_info(struct readelf *re);
306 static void dump_notes(struct readelf *re);
307 static void dump_notes_content(struct readelf *re, const char *buf, size_t sz,
309 static void dump_svr4_hash(struct section *s);
310 static void dump_svr4_hash64(struct readelf *re, struct section *s);
311 static void dump_gnu_hash(struct readelf *re, struct section *s);
312 static void dump_hash(struct readelf *re);
313 static void dump_phdr(struct readelf *re);
314 static void dump_ppc_attributes(uint8_t *p, uint8_t *pe);
315 static void dump_section_groups(struct readelf *re);
316 static void dump_symtab(struct readelf *re, int i);
317 static void dump_symtabs(struct readelf *re);
318 static uint8_t *dump_unknown_tag(uint64_t tag, uint8_t *p, uint8_t *pe);
319 static void dump_ver(struct readelf *re);
320 static void dump_verdef(struct readelf *re, int dump);
321 static void dump_verneed(struct readelf *re, int dump);
322 static void dump_versym(struct readelf *re);
323 static const char *dwarf_reg(unsigned int mach, unsigned int reg);
324 static const char *dwarf_regname(struct readelf *re, unsigned int num);
325 static struct dumpop *find_dumpop(struct readelf *re, size_t si,
326 const char *sn, int op, int t);
327 static int get_ent_count(struct section *s, int *ent_count);
328 static char *get_regoff_str(struct readelf *re, Dwarf_Half reg,
330 static const char *get_string(struct readelf *re, int strtab, size_t off);
331 static const char *get_symbol_name(struct readelf *re, int symtab, int i);
332 static uint64_t get_symbol_value(struct readelf *re, int symtab, int i);
333 static void load_sections(struct readelf *re);
334 static const char *mips_abi_fp(uint64_t fp);
335 static const char *note_type(const char *note_name, unsigned int et,
337 static const char *note_type_freebsd(unsigned int nt);
338 static const char *note_type_freebsd_core(unsigned int nt);
339 static const char *note_type_linux_core(unsigned int nt);
340 static const char *note_type_gnu(unsigned int nt);
341 static const char *note_type_netbsd(unsigned int nt);
342 static const char *note_type_openbsd(unsigned int nt);
343 static const char *note_type_unknown(unsigned int nt);
344 static const char *note_type_xen(unsigned int nt);
345 static const char *option_kind(uint8_t kind);
346 static const char *phdr_type(unsigned int ptype);
347 static const char *ppc_abi_fp(uint64_t fp);
348 static const char *ppc_abi_vector(uint64_t vec);
349 static void readelf_usage(int status);
350 static void readelf_version(void);
351 static void search_loclist_at(struct readelf *re, Dwarf_Die die,
352 Dwarf_Unsigned lowpc);
353 static void search_ver(struct readelf *re);
354 static const char *section_type(unsigned int mach, unsigned int stype);
355 static void set_cu_context(struct readelf *re, Dwarf_Half psize,
356 Dwarf_Half osize, Dwarf_Half ver);
357 static const char *st_bind(unsigned int sbind);
358 static const char *st_shndx(unsigned int shndx);
359 static const char *st_type(unsigned int mach, unsigned int os,
361 static const char *st_vis(unsigned int svis);
362 static const char *top_tag(unsigned int tag);
363 static void unload_sections(struct readelf *re);
364 static uint64_t _read_lsb(Elf_Data *d, uint64_t *offsetp,
366 static uint64_t _read_msb(Elf_Data *d, uint64_t *offsetp,
368 static uint64_t _decode_lsb(uint8_t **data, int bytes_to_read);
369 static uint64_t _decode_msb(uint8_t **data, int bytes_to_read);
370 static int64_t _decode_sleb128(uint8_t **dp, uint8_t *dpe);
371 static uint64_t _decode_uleb128(uint8_t **dp, uint8_t *dpe);
373 static struct eflags_desc arm_eflags_desc[] = {
374 {EF_ARM_RELEXEC, "relocatable executable"},
375 {EF_ARM_HASENTRY, "has entry point"},
376 {EF_ARM_SYMSARESORTED, "sorted symbol tables"},
377 {EF_ARM_DYNSYMSUSESEGIDX, "dynamic symbols use segment index"},
378 {EF_ARM_MAPSYMSFIRST, "mapping symbols precede others"},
381 {EF_ARM_INTERWORK, "interworking enabled"},
382 {EF_ARM_APCS_26, "uses APCS/26"},
383 {EF_ARM_APCS_FLOAT, "uses APCS/float"},
384 {EF_ARM_PIC, "position independent"},
385 {EF_ARM_ALIGN8, "8 bit structure alignment"},
386 {EF_ARM_NEW_ABI, "uses new ABI"},
387 {EF_ARM_OLD_ABI, "uses old ABI"},
388 {EF_ARM_SOFT_FLOAT, "software FP"},
389 {EF_ARM_VFP_FLOAT, "VFP"},
390 {EF_ARM_MAVERICK_FLOAT, "Maverick FP"},
394 static struct eflags_desc mips_eflags_desc[] = {
395 {EF_MIPS_NOREORDER, "noreorder"},
396 {EF_MIPS_PIC, "pic"},
397 {EF_MIPS_CPIC, "cpic"},
398 {EF_MIPS_UCODE, "ugen_reserved"},
399 {EF_MIPS_ABI2, "abi2"},
400 {EF_MIPS_OPTIONS_FIRST, "odk first"},
401 {EF_MIPS_ARCH_ASE_MDMX, "mdmx"},
402 {EF_MIPS_ARCH_ASE_M16, "mips16"},
406 static struct eflags_desc powerpc_eflags_desc[] = {
408 {EF_PPC_RELOCATABLE, "relocatable"},
409 {EF_PPC_RELOCATABLE_LIB, "relocatable-lib"},
413 static struct eflags_desc sparc_eflags_desc[] = {
414 {EF_SPARC_32PLUS, "v8+"},
415 {EF_SPARC_SUN_US1, "ultrasparcI"},
416 {EF_SPARC_HAL_R1, "halr1"},
417 {EF_SPARC_SUN_US3, "ultrasparcIII"},
422 elf_osabi(unsigned int abi)
424 static char s_abi[32];
427 case ELFOSABI_NONE: return "NONE";
428 case ELFOSABI_HPUX: return "HPUX";
429 case ELFOSABI_NETBSD: return "NetBSD";
430 case ELFOSABI_GNU: return "GNU";
431 case ELFOSABI_HURD: return "HURD";
432 case ELFOSABI_86OPEN: return "86OPEN";
433 case ELFOSABI_SOLARIS: return "Solaris";
434 case ELFOSABI_AIX: return "AIX";
435 case ELFOSABI_IRIX: return "IRIX";
436 case ELFOSABI_FREEBSD: return "FreeBSD";
437 case ELFOSABI_TRU64: return "TRU64";
438 case ELFOSABI_MODESTO: return "MODESTO";
439 case ELFOSABI_OPENBSD: return "OpenBSD";
440 case ELFOSABI_OPENVMS: return "OpenVMS";
441 case ELFOSABI_NSK: return "NSK";
442 case ELFOSABI_CLOUDABI: return "CloudABI";
443 case ELFOSABI_ARM: return "ARM";
444 case ELFOSABI_STANDALONE: return "StandAlone";
446 snprintf(s_abi, sizeof(s_abi), "<unknown: %#x>", abi);
452 elf_machine(unsigned int mach)
454 static char s_mach[32];
457 case EM_NONE: return "Unknown machine";
458 case EM_M32: return "AT&T WE32100";
459 case EM_SPARC: return "Sun SPARC";
460 case EM_386: return "Intel i386";
461 case EM_68K: return "Motorola 68000";
462 case EM_IAMCU: return "Intel MCU";
463 case EM_88K: return "Motorola 88000";
464 case EM_860: return "Intel i860";
465 case EM_MIPS: return "MIPS R3000 Big-Endian only";
466 case EM_S370: return "IBM System/370";
467 case EM_MIPS_RS3_LE: return "MIPS R3000 Little-Endian";
468 case EM_PARISC: return "HP PA-RISC";
469 case EM_VPP500: return "Fujitsu VPP500";
470 case EM_SPARC32PLUS: return "SPARC v8plus";
471 case EM_960: return "Intel 80960";
472 case EM_PPC: return "PowerPC 32-bit";
473 case EM_PPC64: return "PowerPC 64-bit";
474 case EM_S390: return "IBM System/390";
475 case EM_V800: return "NEC V800";
476 case EM_FR20: return "Fujitsu FR20";
477 case EM_RH32: return "TRW RH-32";
478 case EM_RCE: return "Motorola RCE";
479 case EM_ARM: return "ARM";
480 case EM_SH: return "Hitachi SH";
481 case EM_SPARCV9: return "SPARC v9 64-bit";
482 case EM_TRICORE: return "Siemens TriCore embedded processor";
483 case EM_ARC: return "Argonaut RISC Core";
484 case EM_H8_300: return "Hitachi H8/300";
485 case EM_H8_300H: return "Hitachi H8/300H";
486 case EM_H8S: return "Hitachi H8S";
487 case EM_H8_500: return "Hitachi H8/500";
488 case EM_IA_64: return "Intel IA-64 Processor";
489 case EM_MIPS_X: return "Stanford MIPS-X";
490 case EM_COLDFIRE: return "Motorola ColdFire";
491 case EM_68HC12: return "Motorola M68HC12";
492 case EM_MMA: return "Fujitsu MMA";
493 case EM_PCP: return "Siemens PCP";
494 case EM_NCPU: return "Sony nCPU";
495 case EM_NDR1: return "Denso NDR1 microprocessor";
496 case EM_STARCORE: return "Motorola Star*Core processor";
497 case EM_ME16: return "Toyota ME16 processor";
498 case EM_ST100: return "STMicroelectronics ST100 processor";
499 case EM_TINYJ: return "Advanced Logic Corp. TinyJ processor";
500 case EM_X86_64: return "Advanced Micro Devices x86-64";
501 case EM_PDSP: return "Sony DSP Processor";
502 case EM_FX66: return "Siemens FX66 microcontroller";
503 case EM_ST9PLUS: return "STMicroelectronics ST9+ 8/16 microcontroller";
504 case EM_ST7: return "STmicroelectronics ST7 8-bit microcontroller";
505 case EM_68HC16: return "Motorola MC68HC16 microcontroller";
506 case EM_68HC11: return "Motorola MC68HC11 microcontroller";
507 case EM_68HC08: return "Motorola MC68HC08 microcontroller";
508 case EM_68HC05: return "Motorola MC68HC05 microcontroller";
509 case EM_SVX: return "Silicon Graphics SVx";
510 case EM_ST19: return "STMicroelectronics ST19 8-bit mc";
511 case EM_VAX: return "Digital VAX";
512 case EM_CRIS: return "Axis Communications 32-bit embedded processor";
513 case EM_JAVELIN: return "Infineon Tech. 32bit embedded processor";
514 case EM_FIREPATH: return "Element 14 64-bit DSP Processor";
515 case EM_ZSP: return "LSI Logic 16-bit DSP Processor";
516 case EM_MMIX: return "Donald Knuth's educational 64-bit proc";
517 case EM_HUANY: return "Harvard University MI object files";
518 case EM_PRISM: return "SiTera Prism";
519 case EM_AVR: return "Atmel AVR 8-bit microcontroller";
520 case EM_FR30: return "Fujitsu FR30";
521 case EM_D10V: return "Mitsubishi D10V";
522 case EM_D30V: return "Mitsubishi D30V";
523 case EM_V850: return "NEC v850";
524 case EM_M32R: return "Mitsubishi M32R";
525 case EM_MN10300: return "Matsushita MN10300";
526 case EM_MN10200: return "Matsushita MN10200";
527 case EM_PJ: return "picoJava";
528 case EM_OPENRISC: return "OpenRISC 32-bit embedded processor";
529 case EM_ARC_A5: return "ARC Cores Tangent-A5";
530 case EM_XTENSA: return "Tensilica Xtensa Architecture";
531 case EM_VIDEOCORE: return "Alphamosaic VideoCore processor";
532 case EM_TMM_GPP: return "Thompson Multimedia General Purpose Processor";
533 case EM_NS32K: return "National Semiconductor 32000 series";
534 case EM_TPC: return "Tenor Network TPC processor";
535 case EM_SNP1K: return "Trebia SNP 1000 processor";
536 case EM_ST200: return "STMicroelectronics ST200 microcontroller";
537 case EM_IP2K: return "Ubicom IP2xxx microcontroller family";
538 case EM_MAX: return "MAX Processor";
539 case EM_CR: return "National Semiconductor CompactRISC microprocessor";
540 case EM_F2MC16: return "Fujitsu F2MC16";
541 case EM_MSP430: return "TI embedded microcontroller msp430";
542 case EM_BLACKFIN: return "Analog Devices Blackfin (DSP) processor";
543 case EM_SE_C33: return "S1C33 Family of Seiko Epson processors";
544 case EM_SEP: return "Sharp embedded microprocessor";
545 case EM_ARCA: return "Arca RISC Microprocessor";
546 case EM_UNICORE: return "Microprocessor series from PKU-Unity Ltd";
547 case EM_AARCH64: return "AArch64";
548 case EM_RISCV: return "RISC-V";
550 snprintf(s_mach, sizeof(s_mach), "<unknown: %#x>", mach);
557 elf_class(unsigned int class)
559 static char s_class[32];
562 case ELFCLASSNONE: return "none";
563 case ELFCLASS32: return "ELF32";
564 case ELFCLASS64: return "ELF64";
566 snprintf(s_class, sizeof(s_class), "<unknown: %#x>", class);
572 elf_endian(unsigned int endian)
574 static char s_endian[32];
577 case ELFDATANONE: return "none";
578 case ELFDATA2LSB: return "2's complement, little endian";
579 case ELFDATA2MSB: return "2's complement, big endian";
581 snprintf(s_endian, sizeof(s_endian), "<unknown: %#x>", endian);
587 elf_type(unsigned int type)
589 static char s_type[32];
592 case ET_NONE: return "NONE (None)";
593 case ET_REL: return "REL (Relocatable file)";
594 case ET_EXEC: return "EXEC (Executable file)";
595 case ET_DYN: return "DYN (Shared object file)";
596 case ET_CORE: return "CORE (Core file)";
598 if (type >= ET_LOPROC)
599 snprintf(s_type, sizeof(s_type), "<proc: %#x>", type);
600 else if (type >= ET_LOOS && type <= ET_HIOS)
601 snprintf(s_type, sizeof(s_type), "<os: %#x>", type);
603 snprintf(s_type, sizeof(s_type), "<unknown: %#x>",
610 elf_ver(unsigned int ver)
612 static char s_ver[32];
615 case EV_CURRENT: return "(current)";
616 case EV_NONE: return "(none)";
618 snprintf(s_ver, sizeof(s_ver), "<unknown: %#x>",
625 phdr_type(unsigned int ptype)
627 static char s_ptype[32];
630 case PT_NULL: return "NULL";
631 case PT_LOAD: return "LOAD";
632 case PT_DYNAMIC: return "DYNAMIC";
633 case PT_INTERP: return "INTERP";
634 case PT_NOTE: return "NOTE";
635 case PT_SHLIB: return "SHLIB";
636 case PT_PHDR: return "PHDR";
637 case PT_TLS: return "TLS";
638 case PT_GNU_EH_FRAME: return "GNU_EH_FRAME";
639 case PT_GNU_STACK: return "GNU_STACK";
640 case PT_GNU_RELRO: return "GNU_RELRO";
642 if (ptype >= PT_LOPROC && ptype <= PT_HIPROC)
643 snprintf(s_ptype, sizeof(s_ptype), "LOPROC+%#x",
645 else if (ptype >= PT_LOOS && ptype <= PT_HIOS)
646 snprintf(s_ptype, sizeof(s_ptype), "LOOS+%#x",
649 snprintf(s_ptype, sizeof(s_ptype), "<unknown: %#x>",
656 section_type(unsigned int mach, unsigned int stype)
658 static char s_stype[32];
660 if (stype >= SHT_LOPROC && stype <= SHT_HIPROC) {
664 case SHT_X86_64_UNWIND: return "X86_64_UNWIND";
672 case SHT_MIPS_LIBLIST: return "MIPS_LIBLIST";
673 case SHT_MIPS_MSYM: return "MIPS_MSYM";
674 case SHT_MIPS_CONFLICT: return "MIPS_CONFLICT";
675 case SHT_MIPS_GPTAB: return "MIPS_GPTAB";
676 case SHT_MIPS_UCODE: return "MIPS_UCODE";
677 case SHT_MIPS_DEBUG: return "MIPS_DEBUG";
678 case SHT_MIPS_REGINFO: return "MIPS_REGINFO";
679 case SHT_MIPS_PACKAGE: return "MIPS_PACKAGE";
680 case SHT_MIPS_PACKSYM: return "MIPS_PACKSYM";
681 case SHT_MIPS_RELD: return "MIPS_RELD";
682 case SHT_MIPS_IFACE: return "MIPS_IFACE";
683 case SHT_MIPS_CONTENT: return "MIPS_CONTENT";
684 case SHT_MIPS_OPTIONS: return "MIPS_OPTIONS";
685 case SHT_MIPS_DELTASYM: return "MIPS_DELTASYM";
686 case SHT_MIPS_DELTAINST: return "MIPS_DELTAINST";
687 case SHT_MIPS_DELTACLASS: return "MIPS_DELTACLASS";
688 case SHT_MIPS_DWARF: return "MIPS_DWARF";
689 case SHT_MIPS_DELTADECL: return "MIPS_DELTADECL";
690 case SHT_MIPS_SYMBOL_LIB: return "MIPS_SYMBOL_LIB";
691 case SHT_MIPS_EVENTS: return "MIPS_EVENTS";
692 case SHT_MIPS_TRANSLATE: return "MIPS_TRANSLATE";
693 case SHT_MIPS_PIXIE: return "MIPS_PIXIE";
694 case SHT_MIPS_XLATE: return "MIPS_XLATE";
695 case SHT_MIPS_XLATE_DEBUG: return "MIPS_XLATE_DEBUG";
696 case SHT_MIPS_WHIRL: return "MIPS_WHIRL";
697 case SHT_MIPS_EH_REGION: return "MIPS_EH_REGION";
698 case SHT_MIPS_XLATE_OLD: return "MIPS_XLATE_OLD";
699 case SHT_MIPS_PDR_EXCEPTION: return "MIPS_PDR_EXCEPTION";
708 snprintf(s_stype, sizeof(s_stype), "LOPROC+%#x",
714 case SHT_NULL: return "NULL";
715 case SHT_PROGBITS: return "PROGBITS";
716 case SHT_SYMTAB: return "SYMTAB";
717 case SHT_STRTAB: return "STRTAB";
718 case SHT_RELA: return "RELA";
719 case SHT_HASH: return "HASH";
720 case SHT_DYNAMIC: return "DYNAMIC";
721 case SHT_NOTE: return "NOTE";
722 case SHT_NOBITS: return "NOBITS";
723 case SHT_REL: return "REL";
724 case SHT_SHLIB: return "SHLIB";
725 case SHT_DYNSYM: return "DYNSYM";
726 case SHT_INIT_ARRAY: return "INIT_ARRAY";
727 case SHT_FINI_ARRAY: return "FINI_ARRAY";
728 case SHT_PREINIT_ARRAY: return "PREINIT_ARRAY";
729 case SHT_GROUP: return "GROUP";
730 case SHT_SYMTAB_SHNDX: return "SYMTAB_SHNDX";
731 case SHT_SUNW_dof: return "SUNW_dof";
732 case SHT_SUNW_cap: return "SUNW_cap";
733 case SHT_GNU_HASH: return "GNU_HASH";
734 case SHT_SUNW_ANNOTATE: return "SUNW_ANNOTATE";
735 case SHT_SUNW_DEBUGSTR: return "SUNW_DEBUGSTR";
736 case SHT_SUNW_DEBUG: return "SUNW_DEBUG";
737 case SHT_SUNW_move: return "SUNW_move";
738 case SHT_SUNW_COMDAT: return "SUNW_COMDAT";
739 case SHT_SUNW_syminfo: return "SUNW_syminfo";
740 case SHT_SUNW_verdef: return "SUNW_verdef";
741 case SHT_SUNW_verneed: return "SUNW_verneed";
742 case SHT_SUNW_versym: return "SUNW_versym";
744 if (stype >= SHT_LOOS && stype <= SHT_HIOS)
745 snprintf(s_stype, sizeof(s_stype), "LOOS+%#x",
747 else if (stype >= SHT_LOUSER)
748 snprintf(s_stype, sizeof(s_stype), "LOUSER+%#x",
751 snprintf(s_stype, sizeof(s_stype), "<unknown: %#x>",
758 dt_type(unsigned int mach, unsigned int dtype)
760 static char s_dtype[32];
762 if (dtype >= DT_LOPROC && dtype <= DT_HIPROC) {
766 case DT_ARM_SYMTABSZ:
767 return "ARM_SYMTABSZ";
775 case DT_MIPS_RLD_VERSION:
776 return "MIPS_RLD_VERSION";
777 case DT_MIPS_TIME_STAMP:
778 return "MIPS_TIME_STAMP";
779 case DT_MIPS_ICHECKSUM:
780 return "MIPS_ICHECKSUM";
781 case DT_MIPS_IVERSION:
782 return "MIPS_IVERSION";
785 case DT_MIPS_BASE_ADDRESS:
786 return "MIPS_BASE_ADDRESS";
787 case DT_MIPS_CONFLICT:
788 return "MIPS_CONFLICT";
789 case DT_MIPS_LIBLIST:
790 return "MIPS_LIBLIST";
791 case DT_MIPS_LOCAL_GOTNO:
792 return "MIPS_LOCAL_GOTNO";
793 case DT_MIPS_CONFLICTNO:
794 return "MIPS_CONFLICTNO";
795 case DT_MIPS_LIBLISTNO:
796 return "MIPS_LIBLISTNO";
797 case DT_MIPS_SYMTABNO:
798 return "MIPS_SYMTABNO";
799 case DT_MIPS_UNREFEXTNO:
800 return "MIPS_UNREFEXTNO";
802 return "MIPS_GOTSYM";
803 case DT_MIPS_HIPAGENO:
804 return "MIPS_HIPAGENO";
805 case DT_MIPS_RLD_MAP:
806 return "MIPS_RLD_MAP";
807 case DT_MIPS_DELTA_CLASS:
808 return "MIPS_DELTA_CLASS";
809 case DT_MIPS_DELTA_CLASS_NO:
810 return "MIPS_DELTA_CLASS_NO";
811 case DT_MIPS_DELTA_INSTANCE:
812 return "MIPS_DELTA_INSTANCE";
813 case DT_MIPS_DELTA_INSTANCE_NO:
814 return "MIPS_DELTA_INSTANCE_NO";
815 case DT_MIPS_DELTA_RELOC:
816 return "MIPS_DELTA_RELOC";
817 case DT_MIPS_DELTA_RELOC_NO:
818 return "MIPS_DELTA_RELOC_NO";
819 case DT_MIPS_DELTA_SYM:
820 return "MIPS_DELTA_SYM";
821 case DT_MIPS_DELTA_SYM_NO:
822 return "MIPS_DELTA_SYM_NO";
823 case DT_MIPS_DELTA_CLASSSYM:
824 return "MIPS_DELTA_CLASSSYM";
825 case DT_MIPS_DELTA_CLASSSYM_NO:
826 return "MIPS_DELTA_CLASSSYM_NO";
827 case DT_MIPS_CXX_FLAGS:
828 return "MIPS_CXX_FLAGS";
829 case DT_MIPS_PIXIE_INIT:
830 return "MIPS_PIXIE_INIT";
831 case DT_MIPS_SYMBOL_LIB:
832 return "MIPS_SYMBOL_LIB";
833 case DT_MIPS_LOCALPAGE_GOTIDX:
834 return "MIPS_LOCALPAGE_GOTIDX";
835 case DT_MIPS_LOCAL_GOTIDX:
836 return "MIPS_LOCAL_GOTIDX";
837 case DT_MIPS_HIDDEN_GOTIDX:
838 return "MIPS_HIDDEN_GOTIDX";
839 case DT_MIPS_PROTECTED_GOTIDX:
840 return "MIPS_PROTECTED_GOTIDX";
841 case DT_MIPS_OPTIONS:
842 return "MIPS_OPTIONS";
843 case DT_MIPS_INTERFACE:
844 return "MIPS_INTERFACE";
845 case DT_MIPS_DYNSTR_ALIGN:
846 return "MIPS_DYNSTR_ALIGN";
847 case DT_MIPS_INTERFACE_SIZE:
848 return "MIPS_INTERFACE_SIZE";
849 case DT_MIPS_RLD_TEXT_RESOLVE_ADDR:
850 return "MIPS_RLD_TEXT_RESOLVE_ADDR";
851 case DT_MIPS_PERF_SUFFIX:
852 return "MIPS_PERF_SUFFIX";
853 case DT_MIPS_COMPACT_SIZE:
854 return "MIPS_COMPACT_SIZE";
855 case DT_MIPS_GP_VALUE:
856 return "MIPS_GP_VALUE";
857 case DT_MIPS_AUX_DYNAMIC:
858 return "MIPS_AUX_DYNAMIC";
860 return "MIPS_PLTGOT";
861 case DT_MIPS_RLD_OBJ_UPDATE:
862 return "MIPS_RLD_OBJ_UPDATE";
873 case DT_SPARC_REGISTER:
874 return "DT_SPARC_REGISTER";
882 snprintf(s_dtype, sizeof(s_dtype), "<unknown: %#x>", dtype);
887 case DT_NULL: return "NULL";
888 case DT_NEEDED: return "NEEDED";
889 case DT_PLTRELSZ: return "PLTRELSZ";
890 case DT_PLTGOT: return "PLTGOT";
891 case DT_HASH: return "HASH";
892 case DT_STRTAB: return "STRTAB";
893 case DT_SYMTAB: return "SYMTAB";
894 case DT_RELA: return "RELA";
895 case DT_RELASZ: return "RELASZ";
896 case DT_RELAENT: return "RELAENT";
897 case DT_STRSZ: return "STRSZ";
898 case DT_SYMENT: return "SYMENT";
899 case DT_INIT: return "INIT";
900 case DT_FINI: return "FINI";
901 case DT_SONAME: return "SONAME";
902 case DT_RPATH: return "RPATH";
903 case DT_SYMBOLIC: return "SYMBOLIC";
904 case DT_REL: return "REL";
905 case DT_RELSZ: return "RELSZ";
906 case DT_RELENT: return "RELENT";
907 case DT_PLTREL: return "PLTREL";
908 case DT_DEBUG: return "DEBUG";
909 case DT_TEXTREL: return "TEXTREL";
910 case DT_JMPREL: return "JMPREL";
911 case DT_BIND_NOW: return "BIND_NOW";
912 case DT_INIT_ARRAY: return "INIT_ARRAY";
913 case DT_FINI_ARRAY: return "FINI_ARRAY";
914 case DT_INIT_ARRAYSZ: return "INIT_ARRAYSZ";
915 case DT_FINI_ARRAYSZ: return "FINI_ARRAYSZ";
916 case DT_RUNPATH: return "RUNPATH";
917 case DT_FLAGS: return "FLAGS";
918 case DT_PREINIT_ARRAY: return "PREINIT_ARRAY";
919 case DT_PREINIT_ARRAYSZ: return "PREINIT_ARRAYSZ";
920 case DT_MAXPOSTAGS: return "MAXPOSTAGS";
921 case DT_SUNW_AUXILIARY: return "SUNW_AUXILIARY";
922 case DT_SUNW_RTLDINF: return "SUNW_RTLDINF";
923 case DT_SUNW_FILTER: return "SUNW_FILTER";
924 case DT_SUNW_CAP: return "SUNW_CAP";
925 case DT_CHECKSUM: return "CHECKSUM";
926 case DT_PLTPADSZ: return "PLTPADSZ";
927 case DT_MOVEENT: return "MOVEENT";
928 case DT_MOVESZ: return "MOVESZ";
929 case DT_FEATURE: return "FEATURE";
930 case DT_POSFLAG_1: return "POSFLAG_1";
931 case DT_SYMINSZ: return "SYMINSZ";
932 case DT_SYMINENT: return "SYMINENT";
933 case DT_GNU_HASH: return "GNU_HASH";
934 case DT_TLSDESC_PLT: return "DT_TLSDESC_PLT";
935 case DT_TLSDESC_GOT: return "DT_TLSDESC_GOT";
936 case DT_GNU_CONFLICT: return "GNU_CONFLICT";
937 case DT_GNU_LIBLIST: return "GNU_LIBLIST";
938 case DT_CONFIG: return "CONFIG";
939 case DT_DEPAUDIT: return "DEPAUDIT";
940 case DT_AUDIT: return "AUDIT";
941 case DT_PLTPAD: return "PLTPAD";
942 case DT_MOVETAB: return "MOVETAB";
943 case DT_SYMINFO: return "SYMINFO";
944 case DT_VERSYM: return "VERSYM";
945 case DT_RELACOUNT: return "RELACOUNT";
946 case DT_RELCOUNT: return "RELCOUNT";
947 case DT_FLAGS_1: return "FLAGS_1";
948 case DT_VERDEF: return "VERDEF";
949 case DT_VERDEFNUM: return "VERDEFNUM";
950 case DT_VERNEED: return "VERNEED";
951 case DT_VERNEEDNUM: return "VERNEEDNUM";
952 case DT_AUXILIARY: return "AUXILIARY";
953 case DT_USED: return "USED";
954 case DT_FILTER: return "FILTER";
955 case DT_GNU_PRELINKED: return "GNU_PRELINKED";
956 case DT_GNU_CONFLICTSZ: return "GNU_CONFLICTSZ";
957 case DT_GNU_LIBLISTSZ: return "GNU_LIBLISTSZ";
959 snprintf(s_dtype, sizeof(s_dtype), "<unknown: %#x>", dtype);
965 st_bind(unsigned int sbind)
967 static char s_sbind[32];
970 case STB_LOCAL: return "LOCAL";
971 case STB_GLOBAL: return "GLOBAL";
972 case STB_WEAK: return "WEAK";
973 case STB_GNU_UNIQUE: return "UNIQUE";
975 if (sbind >= STB_LOOS && sbind <= STB_HIOS)
977 else if (sbind >= STB_LOPROC && sbind <= STB_HIPROC)
980 snprintf(s_sbind, sizeof(s_sbind), "<unknown: %#x>",
987 st_type(unsigned int mach, unsigned int os, unsigned int stype)
989 static char s_stype[32];
992 case STT_NOTYPE: return "NOTYPE";
993 case STT_OBJECT: return "OBJECT";
994 case STT_FUNC: return "FUNC";
995 case STT_SECTION: return "SECTION";
996 case STT_FILE: return "FILE";
997 case STT_COMMON: return "COMMON";
998 case STT_TLS: return "TLS";
1000 if (stype >= STT_LOOS && stype <= STT_HIOS) {
1001 if ((os == ELFOSABI_GNU || os == ELFOSABI_FREEBSD) &&
1002 stype == STT_GNU_IFUNC)
1004 snprintf(s_stype, sizeof(s_stype), "OS+%#x",
1006 } else if (stype >= STT_LOPROC && stype <= STT_HIPROC) {
1007 if (mach == EM_SPARCV9 && stype == STT_SPARC_REGISTER)
1009 snprintf(s_stype, sizeof(s_stype), "PROC+%#x",
1010 stype - STT_LOPROC);
1012 snprintf(s_stype, sizeof(s_stype), "<unknown: %#x>",
1019 st_vis(unsigned int svis)
1021 static char s_svis[32];
1024 case STV_DEFAULT: return "DEFAULT";
1025 case STV_INTERNAL: return "INTERNAL";
1026 case STV_HIDDEN: return "HIDDEN";
1027 case STV_PROTECTED: return "PROTECTED";
1029 snprintf(s_svis, sizeof(s_svis), "<unknown: %#x>", svis);
1035 st_shndx(unsigned int shndx)
1037 static char s_shndx[32];
1040 case SHN_UNDEF: return "UND";
1041 case SHN_ABS: return "ABS";
1042 case SHN_COMMON: return "COM";
1044 if (shndx >= SHN_LOPROC && shndx <= SHN_HIPROC)
1046 else if (shndx >= SHN_LOOS && shndx <= SHN_HIOS)
1049 snprintf(s_shndx, sizeof(s_shndx), "%u", shndx);
1058 } section_flag[] = {
1059 {"WRITE", 'W', SHF_WRITE},
1060 {"ALLOC", 'A', SHF_ALLOC},
1061 {"EXEC", 'X', SHF_EXECINSTR},
1062 {"MERGE", 'M', SHF_MERGE},
1063 {"STRINGS", 'S', SHF_STRINGS},
1064 {"INFO LINK", 'I', SHF_INFO_LINK},
1065 {"OS NONCONF", 'O', SHF_OS_NONCONFORMING},
1066 {"GROUP", 'G', SHF_GROUP},
1067 {"TLS", 'T', SHF_TLS},
1068 {"COMPRESSED", 'C', SHF_COMPRESSED},
1073 note_type(const char *name, unsigned int et, unsigned int nt)
1075 if ((strcmp(name, "CORE") == 0 || strcmp(name, "LINUX") == 0) &&
1077 return note_type_linux_core(nt);
1078 else if (strcmp(name, "FreeBSD") == 0)
1080 return note_type_freebsd_core(nt);
1082 return note_type_freebsd(nt);
1083 else if (strcmp(name, "GNU") == 0 && et != ET_CORE)
1084 return note_type_gnu(nt);
1085 else if (strcmp(name, "NetBSD") == 0 && et != ET_CORE)
1086 return note_type_netbsd(nt);
1087 else if (strcmp(name, "OpenBSD") == 0 && et != ET_CORE)
1088 return note_type_openbsd(nt);
1089 else if (strcmp(name, "Xen") == 0 && et != ET_CORE)
1090 return note_type_xen(nt);
1091 return note_type_unknown(nt);
1095 note_type_freebsd(unsigned int nt)
1098 case 1: return "NT_FREEBSD_ABI_TAG";
1099 case 2: return "NT_FREEBSD_NOINIT_TAG";
1100 case 3: return "NT_FREEBSD_ARCH_TAG";
1101 default: return (note_type_unknown(nt));
1106 note_type_freebsd_core(unsigned int nt)
1109 case 1: return "NT_PRSTATUS";
1110 case 2: return "NT_FPREGSET";
1111 case 3: return "NT_PRPSINFO";
1112 case 7: return "NT_THRMISC";
1113 case 8: return "NT_PROCSTAT_PROC";
1114 case 9: return "NT_PROCSTAT_FILES";
1115 case 10: return "NT_PROCSTAT_VMMAP";
1116 case 11: return "NT_PROCSTAT_GROUPS";
1117 case 12: return "NT_PROCSTAT_UMASK";
1118 case 13: return "NT_PROCSTAT_RLIMIT";
1119 case 14: return "NT_PROCSTAT_OSREL";
1120 case 15: return "NT_PROCSTAT_PSSTRINGS";
1121 case 16: return "NT_PROCSTAT_AUXV";
1122 case 0x202: return "NT_X86_XSTATE (x86 XSAVE extended state)";
1123 default: return (note_type_unknown(nt));
1128 note_type_linux_core(unsigned int nt)
1131 case 1: return "NT_PRSTATUS (Process status)";
1132 case 2: return "NT_FPREGSET (Floating point information)";
1133 case 3: return "NT_PRPSINFO (Process information)";
1134 case 4: return "NT_TASKSTRUCT (Task structure)";
1135 case 6: return "NT_AUXV (Auxiliary vector)";
1136 case 10: return "NT_PSTATUS (Linux process status)";
1137 case 12: return "NT_FPREGS (Linux floating point regset)";
1138 case 13: return "NT_PSINFO (Linux process information)";
1139 case 16: return "NT_LWPSTATUS (Linux lwpstatus_t type)";
1140 case 17: return "NT_LWPSINFO (Linux lwpinfo_t type)";
1141 case 18: return "NT_WIN32PSTATUS (win32_pstatus structure)";
1142 case 0x100: return "NT_PPC_VMX (ppc Altivec registers)";
1143 case 0x102: return "NT_PPC_VSX (ppc VSX registers)";
1144 case 0x202: return "NT_X86_XSTATE (x86 XSAVE extended state)";
1145 case 0x300: return "NT_S390_HIGH_GPRS (s390 upper register halves)";
1146 case 0x301: return "NT_S390_TIMER (s390 timer register)";
1147 case 0x302: return "NT_S390_TODCMP (s390 TOD comparator register)";
1148 case 0x303: return "NT_S390_TODPREG (s390 TOD programmable register)";
1149 case 0x304: return "NT_S390_CTRS (s390 control registers)";
1150 case 0x305: return "NT_S390_PREFIX (s390 prefix register)";
1151 case 0x400: return "NT_ARM_VFP (arm VFP registers)";
1152 case 0x46494c45UL: return "NT_FILE (mapped files)";
1153 case 0x46E62B7FUL: return "NT_PRXFPREG (Linux user_xfpregs structure)";
1154 case 0x53494749UL: return "NT_SIGINFO (siginfo_t data)";
1155 default: return (note_type_unknown(nt));
1160 note_type_gnu(unsigned int nt)
1163 case 1: return "NT_GNU_ABI_TAG";
1164 case 2: return "NT_GNU_HWCAP (Hardware capabilities)";
1165 case 3: return "NT_GNU_BUILD_ID (Build id set by ld(1))";
1166 case 4: return "NT_GNU_GOLD_VERSION (GNU gold version)";
1167 default: return (note_type_unknown(nt));
1172 note_type_netbsd(unsigned int nt)
1175 case 1: return "NT_NETBSD_IDENT";
1176 default: return (note_type_unknown(nt));
1181 note_type_openbsd(unsigned int nt)
1184 case 1: return "NT_OPENBSD_IDENT";
1185 default: return (note_type_unknown(nt));
1190 note_type_unknown(unsigned int nt)
1192 static char s_nt[32];
1194 snprintf(s_nt, sizeof(s_nt),
1195 nt >= 0x100 ? "<unknown: 0x%x>" : "<unknown: %u>", nt);
1200 note_type_xen(unsigned int nt)
1203 case 0: return "XEN_ELFNOTE_INFO";
1204 case 1: return "XEN_ELFNOTE_ENTRY";
1205 case 2: return "XEN_ELFNOTE_HYPERCALL_PAGE";
1206 case 3: return "XEN_ELFNOTE_VIRT_BASE";
1207 case 4: return "XEN_ELFNOTE_PADDR_OFFSET";
1208 case 5: return "XEN_ELFNOTE_XEN_VERSION";
1209 case 6: return "XEN_ELFNOTE_GUEST_OS";
1210 case 7: return "XEN_ELFNOTE_GUEST_VERSION";
1211 case 8: return "XEN_ELFNOTE_LOADER";
1212 case 9: return "XEN_ELFNOTE_PAE_MODE";
1213 case 10: return "XEN_ELFNOTE_FEATURES";
1214 case 11: return "XEN_ELFNOTE_BSD_SYMTAB";
1215 case 12: return "XEN_ELFNOTE_HV_START_LOW";
1216 case 13: return "XEN_ELFNOTE_L1_MFN_VALID";
1217 case 14: return "XEN_ELFNOTE_SUSPEND_CANCEL";
1218 case 15: return "XEN_ELFNOTE_INIT_P2M";
1219 case 16: return "XEN_ELFNOTE_MOD_START_PFN";
1220 case 17: return "XEN_ELFNOTE_SUPPORTED_FEATURES";
1221 default: return (note_type_unknown(nt));
1229 {"EXACT_MATCH", LL_EXACT_MATCH},
1230 {"IGNORE_INT_VER", LL_IGNORE_INT_VER},
1231 {"REQUIRE_MINOR", LL_REQUIRE_MINOR},
1232 {"EXPORTS", LL_EXPORTS},
1233 {"DELAY_LOAD", LL_DELAY_LOAD},
1234 {"DELTA", LL_DELTA},
1238 static struct mips_option mips_exceptions_option[] = {
1239 {OEX_PAGE0, "PAGE0"},
1241 {OEX_PRECISEFP, "PRECISEFP"},
1242 {OEX_DISMISS, "DISMISS"},
1246 static struct mips_option mips_pad_option[] = {
1247 {OPAD_PREFIX, "PREFIX"},
1248 {OPAD_POSTFIX, "POSTFIX"},
1249 {OPAD_SYMBOL, "SYMBOL"},
1253 static struct mips_option mips_hwpatch_option[] = {
1254 {OHW_R4KEOP, "R4KEOP"},
1255 {OHW_R8KPFETCH, "R8KPFETCH"},
1256 {OHW_R5KEOP, "R5KEOP"},
1257 {OHW_R5KCVTL, "R5KCVTL"},
1261 static struct mips_option mips_hwa_option[] = {
1262 {OHWA0_R4KEOP_CHECKED, "R4KEOP_CHECKED"},
1263 {OHWA0_R4KEOP_CLEAN, "R4KEOP_CLEAN"},
1267 static struct mips_option mips_hwo_option[] = {
1268 {OHWO0_FIXADE, "FIXADE"},
1273 option_kind(uint8_t kind)
1275 static char s_kind[32];
1278 case ODK_NULL: return "NULL";
1279 case ODK_REGINFO: return "REGINFO";
1280 case ODK_EXCEPTIONS: return "EXCEPTIONS";
1281 case ODK_PAD: return "PAD";
1282 case ODK_HWPATCH: return "HWPATCH";
1283 case ODK_FILL: return "FILL";
1284 case ODK_TAGS: return "TAGS";
1285 case ODK_HWAND: return "HWAND";
1286 case ODK_HWOR: return "HWOR";
1287 case ODK_GP_GROUP: return "GP_GROUP";
1288 case ODK_IDENT: return "IDENT";
1290 snprintf(s_kind, sizeof(s_kind), "<unknown: %u>", kind);
1296 top_tag(unsigned int tag)
1298 static char s_top_tag[32];
1301 case 1: return "File Attributes";
1302 case 2: return "Section Attributes";
1303 case 3: return "Symbol Attributes";
1305 snprintf(s_top_tag, sizeof(s_top_tag), "Unknown tag: %u", tag);
1311 aeabi_cpu_arch(uint64_t arch)
1313 static char s_cpu_arch[32];
1316 case 0: return "Pre-V4";
1317 case 1: return "ARM v4";
1318 case 2: return "ARM v4T";
1319 case 3: return "ARM v5T";
1320 case 4: return "ARM v5TE";
1321 case 5: return "ARM v5TEJ";
1322 case 6: return "ARM v6";
1323 case 7: return "ARM v6KZ";
1324 case 8: return "ARM v6T2";
1325 case 9: return "ARM v6K";
1326 case 10: return "ARM v7";
1327 case 11: return "ARM v6-M";
1328 case 12: return "ARM v6S-M";
1329 case 13: return "ARM v7E-M";
1331 snprintf(s_cpu_arch, sizeof(s_cpu_arch),
1332 "Unknown (%ju)", (uintmax_t) arch);
1333 return (s_cpu_arch);
1338 aeabi_cpu_arch_profile(uint64_t pf)
1340 static char s_arch_profile[32];
1344 return "Not applicable";
1345 case 0x41: /* 'A' */
1346 return "Application Profile";
1347 case 0x52: /* 'R' */
1348 return "Real-Time Profile";
1349 case 0x4D: /* 'M' */
1350 return "Microcontroller Profile";
1351 case 0x53: /* 'S' */
1352 return "Application or Real-Time Profile";
1354 snprintf(s_arch_profile, sizeof(s_arch_profile),
1355 "Unknown (%ju)\n", (uintmax_t) pf);
1356 return (s_arch_profile);
1361 aeabi_arm_isa(uint64_t ai)
1363 static char s_ai[32];
1366 case 0: return "No";
1367 case 1: return "Yes";
1369 snprintf(s_ai, sizeof(s_ai), "Unknown (%ju)\n",
1376 aeabi_thumb_isa(uint64_t ti)
1378 static char s_ti[32];
1381 case 0: return "No";
1382 case 1: return "16-bit Thumb";
1383 case 2: return "32-bit Thumb";
1385 snprintf(s_ti, sizeof(s_ti), "Unknown (%ju)\n",
1392 aeabi_fp_arch(uint64_t fp)
1394 static char s_fp_arch[32];
1397 case 0: return "No";
1398 case 1: return "VFPv1";
1399 case 2: return "VFPv2";
1400 case 3: return "VFPv3";
1401 case 4: return "VFPv3-D16";
1402 case 5: return "VFPv4";
1403 case 6: return "VFPv4-D16";
1405 snprintf(s_fp_arch, sizeof(s_fp_arch), "Unknown (%ju)",
1412 aeabi_wmmx_arch(uint64_t wmmx)
1414 static char s_wmmx[32];
1417 case 0: return "No";
1418 case 1: return "WMMXv1";
1419 case 2: return "WMMXv2";
1421 snprintf(s_wmmx, sizeof(s_wmmx), "Unknown (%ju)",
1428 aeabi_adv_simd_arch(uint64_t simd)
1430 static char s_simd[32];
1433 case 0: return "No";
1434 case 1: return "NEONv1";
1435 case 2: return "NEONv2";
1437 snprintf(s_simd, sizeof(s_simd), "Unknown (%ju)",
1444 aeabi_pcs_config(uint64_t pcs)
1446 static char s_pcs[32];
1449 case 0: return "None";
1450 case 1: return "Bare platform";
1451 case 2: return "Linux";
1452 case 3: return "Linux DSO";
1453 case 4: return "Palm OS 2004";
1454 case 5: return "Palm OS (future)";
1455 case 6: return "Symbian OS 2004";
1456 case 7: return "Symbian OS (future)";
1458 snprintf(s_pcs, sizeof(s_pcs), "Unknown (%ju)",
1465 aeabi_pcs_r9(uint64_t r9)
1467 static char s_r9[32];
1470 case 0: return "V6";
1471 case 1: return "SB";
1472 case 2: return "TLS pointer";
1473 case 3: return "Unused";
1475 snprintf(s_r9, sizeof(s_r9), "Unknown (%ju)", (uintmax_t) r9);
1481 aeabi_pcs_rw(uint64_t rw)
1483 static char s_rw[32];
1486 case 0: return "Absolute";
1487 case 1: return "PC-relative";
1488 case 2: return "SB-relative";
1489 case 3: return "None";
1491 snprintf(s_rw, sizeof(s_rw), "Unknown (%ju)", (uintmax_t) rw);
1497 aeabi_pcs_ro(uint64_t ro)
1499 static char s_ro[32];
1502 case 0: return "Absolute";
1503 case 1: return "PC-relative";
1504 case 2: return "None";
1506 snprintf(s_ro, sizeof(s_ro), "Unknown (%ju)", (uintmax_t) ro);
1512 aeabi_pcs_got(uint64_t got)
1514 static char s_got[32];
1517 case 0: return "None";
1518 case 1: return "direct";
1519 case 2: return "indirect via GOT";
1521 snprintf(s_got, sizeof(s_got), "Unknown (%ju)",
1528 aeabi_pcs_wchar_t(uint64_t wt)
1530 static char s_wt[32];
1533 case 0: return "None";
1534 case 2: return "wchar_t size 2";
1535 case 4: return "wchar_t size 4";
1537 snprintf(s_wt, sizeof(s_wt), "Unknown (%ju)", (uintmax_t) wt);
1543 aeabi_enum_size(uint64_t es)
1545 static char s_es[32];
1548 case 0: return "None";
1549 case 1: return "smallest";
1550 case 2: return "32-bit";
1551 case 3: return "visible 32-bit";
1553 snprintf(s_es, sizeof(s_es), "Unknown (%ju)", (uintmax_t) es);
1559 aeabi_align_needed(uint64_t an)
1561 static char s_align_n[64];
1564 case 0: return "No";
1565 case 1: return "8-byte align";
1566 case 2: return "4-byte align";
1567 case 3: return "Reserved";
1569 if (an >= 4 && an <= 12)
1570 snprintf(s_align_n, sizeof(s_align_n), "8-byte align"
1571 " and up to 2^%ju-byte extended align",
1574 snprintf(s_align_n, sizeof(s_align_n), "Unknown (%ju)",
1581 aeabi_align_preserved(uint64_t ap)
1583 static char s_align_p[128];
1586 case 0: return "No";
1587 case 1: return "8-byte align";
1588 case 2: return "8-byte align and SP % 8 == 0";
1589 case 3: return "Reserved";
1591 if (ap >= 4 && ap <= 12)
1592 snprintf(s_align_p, sizeof(s_align_p), "8-byte align"
1593 " and SP %% 8 == 0 and up to 2^%ju-byte extended"
1594 " align", (uintmax_t) ap);
1596 snprintf(s_align_p, sizeof(s_align_p), "Unknown (%ju)",
1603 aeabi_fp_rounding(uint64_t fr)
1605 static char s_fp_r[32];
1608 case 0: return "Unused";
1609 case 1: return "Needed";
1611 snprintf(s_fp_r, sizeof(s_fp_r), "Unknown (%ju)",
1618 aeabi_fp_denormal(uint64_t fd)
1620 static char s_fp_d[32];
1623 case 0: return "Unused";
1624 case 1: return "Needed";
1625 case 2: return "Sign Only";
1627 snprintf(s_fp_d, sizeof(s_fp_d), "Unknown (%ju)",
1634 aeabi_fp_exceptions(uint64_t fe)
1636 static char s_fp_e[32];
1639 case 0: return "Unused";
1640 case 1: return "Needed";
1642 snprintf(s_fp_e, sizeof(s_fp_e), "Unknown (%ju)",
1649 aeabi_fp_user_exceptions(uint64_t fu)
1651 static char s_fp_u[32];
1654 case 0: return "Unused";
1655 case 1: return "Needed";
1657 snprintf(s_fp_u, sizeof(s_fp_u), "Unknown (%ju)",
1664 aeabi_fp_number_model(uint64_t fn)
1666 static char s_fp_n[32];
1669 case 0: return "Unused";
1670 case 1: return "IEEE 754 normal";
1671 case 2: return "RTABI";
1672 case 3: return "IEEE 754";
1674 snprintf(s_fp_n, sizeof(s_fp_n), "Unknown (%ju)",
1681 aeabi_fp_16bit_format(uint64_t fp16)
1683 static char s_fp_16[64];
1686 case 0: return "None";
1687 case 1: return "IEEE 754";
1688 case 2: return "VFPv3/Advanced SIMD (alternative format)";
1690 snprintf(s_fp_16, sizeof(s_fp_16), "Unknown (%ju)",
1697 aeabi_mpext(uint64_t mp)
1699 static char s_mp[32];
1702 case 0: return "Not allowed";
1703 case 1: return "Allowed";
1705 snprintf(s_mp, sizeof(s_mp), "Unknown (%ju)",
1712 aeabi_div(uint64_t du)
1714 static char s_du[32];
1717 case 0: return "Yes (V7-R/V7-M)";
1718 case 1: return "No";
1719 case 2: return "Yes (V7-A)";
1721 snprintf(s_du, sizeof(s_du), "Unknown (%ju)",
1728 aeabi_t2ee(uint64_t t2ee)
1730 static char s_t2ee[32];
1733 case 0: return "Not allowed";
1734 case 1: return "Allowed";
1736 snprintf(s_t2ee, sizeof(s_t2ee), "Unknown(%ju)",
1744 aeabi_hardfp(uint64_t hfp)
1746 static char s_hfp[32];
1749 case 0: return "Tag_FP_arch";
1750 case 1: return "only SP";
1751 case 2: return "only DP";
1752 case 3: return "both SP and DP";
1754 snprintf(s_hfp, sizeof(s_hfp), "Unknown (%ju)",
1761 aeabi_vfp_args(uint64_t va)
1763 static char s_va[32];
1766 case 0: return "AAPCS (base variant)";
1767 case 1: return "AAPCS (VFP variant)";
1768 case 2: return "toolchain-specific";
1770 snprintf(s_va, sizeof(s_va), "Unknown (%ju)", (uintmax_t) va);
1776 aeabi_wmmx_args(uint64_t wa)
1778 static char s_wa[32];
1781 case 0: return "AAPCS (base variant)";
1782 case 1: return "Intel WMMX";
1783 case 2: return "toolchain-specific";
1785 snprintf(s_wa, sizeof(s_wa), "Unknown(%ju)", (uintmax_t) wa);
1791 aeabi_unaligned_access(uint64_t ua)
1793 static char s_ua[32];
1796 case 0: return "Not allowed";
1797 case 1: return "Allowed";
1799 snprintf(s_ua, sizeof(s_ua), "Unknown(%ju)", (uintmax_t) ua);
1805 aeabi_fp_hpext(uint64_t fh)
1807 static char s_fh[32];
1810 case 0: return "Not allowed";
1811 case 1: return "Allowed";
1813 snprintf(s_fh, sizeof(s_fh), "Unknown(%ju)", (uintmax_t) fh);
1819 aeabi_optm_goal(uint64_t og)
1821 static char s_og[32];
1824 case 0: return "None";
1825 case 1: return "Speed";
1826 case 2: return "Speed aggressive";
1827 case 3: return "Space";
1828 case 4: return "Space aggressive";
1829 case 5: return "Debugging";
1830 case 6: return "Best Debugging";
1832 snprintf(s_og, sizeof(s_og), "Unknown(%ju)", (uintmax_t) og);
1838 aeabi_fp_optm_goal(uint64_t fog)
1840 static char s_fog[32];
1843 case 0: return "None";
1844 case 1: return "Speed";
1845 case 2: return "Speed aggressive";
1846 case 3: return "Space";
1847 case 4: return "Space aggressive";
1848 case 5: return "Accurary";
1849 case 6: return "Best Accurary";
1851 snprintf(s_fog, sizeof(s_fog), "Unknown(%ju)",
1858 aeabi_virtual(uint64_t vt)
1860 static char s_virtual[64];
1863 case 0: return "No";
1864 case 1: return "TrustZone";
1865 case 2: return "Virtualization extension";
1866 case 3: return "TrustZone and virtualization extension";
1868 snprintf(s_virtual, sizeof(s_virtual), "Unknown(%ju)",
1877 const char *(*get_desc)(uint64_t val);
1879 {4, "Tag_CPU_raw_name", NULL},
1880 {5, "Tag_CPU_name", NULL},
1881 {6, "Tag_CPU_arch", aeabi_cpu_arch},
1882 {7, "Tag_CPU_arch_profile", aeabi_cpu_arch_profile},
1883 {8, "Tag_ARM_ISA_use", aeabi_arm_isa},
1884 {9, "Tag_THUMB_ISA_use", aeabi_thumb_isa},
1885 {10, "Tag_FP_arch", aeabi_fp_arch},
1886 {11, "Tag_WMMX_arch", aeabi_wmmx_arch},
1887 {12, "Tag_Advanced_SIMD_arch", aeabi_adv_simd_arch},
1888 {13, "Tag_PCS_config", aeabi_pcs_config},
1889 {14, "Tag_ABI_PCS_R9_use", aeabi_pcs_r9},
1890 {15, "Tag_ABI_PCS_RW_data", aeabi_pcs_rw},
1891 {16, "Tag_ABI_PCS_RO_data", aeabi_pcs_ro},
1892 {17, "Tag_ABI_PCS_GOT_use", aeabi_pcs_got},
1893 {18, "Tag_ABI_PCS_wchar_t", aeabi_pcs_wchar_t},
1894 {19, "Tag_ABI_FP_rounding", aeabi_fp_rounding},
1895 {20, "Tag_ABI_FP_denormal", aeabi_fp_denormal},
1896 {21, "Tag_ABI_FP_exceptions", aeabi_fp_exceptions},
1897 {22, "Tag_ABI_FP_user_exceptions", aeabi_fp_user_exceptions},
1898 {23, "Tag_ABI_FP_number_model", aeabi_fp_number_model},
1899 {24, "Tag_ABI_align_needed", aeabi_align_needed},
1900 {25, "Tag_ABI_align_preserved", aeabi_align_preserved},
1901 {26, "Tag_ABI_enum_size", aeabi_enum_size},
1902 {27, "Tag_ABI_HardFP_use", aeabi_hardfp},
1903 {28, "Tag_ABI_VFP_args", aeabi_vfp_args},
1904 {29, "Tag_ABI_WMMX_args", aeabi_wmmx_args},
1905 {30, "Tag_ABI_optimization_goals", aeabi_optm_goal},
1906 {31, "Tag_ABI_FP_optimization_goals", aeabi_fp_optm_goal},
1907 {32, "Tag_compatibility", NULL},
1908 {34, "Tag_CPU_unaligned_access", aeabi_unaligned_access},
1909 {36, "Tag_FP_HP_extension", aeabi_fp_hpext},
1910 {38, "Tag_ABI_FP_16bit_format", aeabi_fp_16bit_format},
1911 {42, "Tag_MPextension_use", aeabi_mpext},
1912 {44, "Tag_DIV_use", aeabi_div},
1913 {64, "Tag_nodefaults", NULL},
1914 {65, "Tag_also_compatible_with", NULL},
1915 {66, "Tag_T2EE_use", aeabi_t2ee},
1916 {67, "Tag_conformance", NULL},
1917 {68, "Tag_Virtualization_use", aeabi_virtual},
1918 {70, "Tag_MPextension_use", aeabi_mpext},
1922 mips_abi_fp(uint64_t fp)
1924 static char s_mips_abi_fp[64];
1927 case 0: return "N/A";
1928 case 1: return "Hard float (double precision)";
1929 case 2: return "Hard float (single precision)";
1930 case 3: return "Soft float";
1931 case 4: return "64-bit float (-mips32r2 -mfp64)";
1933 snprintf(s_mips_abi_fp, sizeof(s_mips_abi_fp), "Unknown(%ju)",
1935 return (s_mips_abi_fp);
1940 ppc_abi_fp(uint64_t fp)
1942 static char s_ppc_abi_fp[64];
1945 case 0: return "N/A";
1946 case 1: return "Hard float (double precision)";
1947 case 2: return "Soft float";
1948 case 3: return "Hard float (single precision)";
1950 snprintf(s_ppc_abi_fp, sizeof(s_ppc_abi_fp), "Unknown(%ju)",
1952 return (s_ppc_abi_fp);
1957 ppc_abi_vector(uint64_t vec)
1959 static char s_vec[64];
1962 case 0: return "N/A";
1963 case 1: return "Generic purpose registers";
1964 case 2: return "AltiVec registers";
1965 case 3: return "SPE registers";
1967 snprintf(s_vec, sizeof(s_vec), "Unknown(%ju)", (uintmax_t) vec);
1973 dwarf_reg(unsigned int mach, unsigned int reg)
1980 case 0: return "eax";
1981 case 1: return "ecx";
1982 case 2: return "edx";
1983 case 3: return "ebx";
1984 case 4: return "esp";
1985 case 5: return "ebp";
1986 case 6: return "esi";
1987 case 7: return "edi";
1988 case 8: return "eip";
1989 case 9: return "eflags";
1990 case 11: return "st0";
1991 case 12: return "st1";
1992 case 13: return "st2";
1993 case 14: return "st3";
1994 case 15: return "st4";
1995 case 16: return "st5";
1996 case 17: return "st6";
1997 case 18: return "st7";
1998 case 21: return "xmm0";
1999 case 22: return "xmm1";
2000 case 23: return "xmm2";
2001 case 24: return "xmm3";
2002 case 25: return "xmm4";
2003 case 26: return "xmm5";
2004 case 27: return "xmm6";
2005 case 28: return "xmm7";
2006 case 29: return "mm0";
2007 case 30: return "mm1";
2008 case 31: return "mm2";
2009 case 32: return "mm3";
2010 case 33: return "mm4";
2011 case 34: return "mm5";
2012 case 35: return "mm6";
2013 case 36: return "mm7";
2014 case 37: return "fcw";
2015 case 38: return "fsw";
2016 case 39: return "mxcsr";
2017 case 40: return "es";
2018 case 41: return "cs";
2019 case 42: return "ss";
2020 case 43: return "ds";
2021 case 44: return "fs";
2022 case 45: return "gs";
2023 case 48: return "tr";
2024 case 49: return "ldtr";
2025 default: return (NULL);
2029 case 0: return "rax";
2030 case 1: return "rdx";
2031 case 2: return "rcx";
2032 case 3: return "rbx";
2033 case 4: return "rsi";
2034 case 5: return "rdi";
2035 case 6: return "rbp";
2036 case 7: return "rsp";
2037 case 16: return "rip";
2038 case 17: return "xmm0";
2039 case 18: return "xmm1";
2040 case 19: return "xmm2";
2041 case 20: return "xmm3";
2042 case 21: return "xmm4";
2043 case 22: return "xmm5";
2044 case 23: return "xmm6";
2045 case 24: return "xmm7";
2046 case 25: return "xmm8";
2047 case 26: return "xmm9";
2048 case 27: return "xmm10";
2049 case 28: return "xmm11";
2050 case 29: return "xmm12";
2051 case 30: return "xmm13";
2052 case 31: return "xmm14";
2053 case 32: return "xmm15";
2054 case 33: return "st0";
2055 case 34: return "st1";
2056 case 35: return "st2";
2057 case 36: return "st3";
2058 case 37: return "st4";
2059 case 38: return "st5";
2060 case 39: return "st6";
2061 case 40: return "st7";
2062 case 41: return "mm0";
2063 case 42: return "mm1";
2064 case 43: return "mm2";
2065 case 44: return "mm3";
2066 case 45: return "mm4";
2067 case 46: return "mm5";
2068 case 47: return "mm6";
2069 case 48: return "mm7";
2070 case 49: return "rflags";
2071 case 50: return "es";
2072 case 51: return "cs";
2073 case 52: return "ss";
2074 case 53: return "ds";
2075 case 54: return "fs";
2076 case 55: return "gs";
2077 case 58: return "fs.base";
2078 case 59: return "gs.base";
2079 case 62: return "tr";
2080 case 63: return "ldtr";
2081 case 64: return "mxcsr";
2082 case 65: return "fcw";
2083 case 66: return "fsw";
2084 default: return (NULL);
2092 dump_ehdr(struct readelf *re)
2094 size_t shnum, shstrndx;
2097 printf("ELF Header:\n");
2101 for (i = 0; i < EI_NIDENT; i++)
2102 printf("%.2x ", re->ehdr.e_ident[i]);
2106 printf("%-37s%s\n", " Class:", elf_class(re->ehdr.e_ident[EI_CLASS]));
2109 printf("%-37s%s\n", " Data:", elf_endian(re->ehdr.e_ident[EI_DATA]));
2112 printf("%-37s%d %s\n", " Version:", re->ehdr.e_ident[EI_VERSION],
2113 elf_ver(re->ehdr.e_ident[EI_VERSION]));
2116 printf("%-37s%s\n", " OS/ABI:", elf_osabi(re->ehdr.e_ident[EI_OSABI]));
2118 /* EI_ABIVERSION. */
2119 printf("%-37s%d\n", " ABI Version:", re->ehdr.e_ident[EI_ABIVERSION]);
2122 printf("%-37s%s\n", " Type:", elf_type(re->ehdr.e_type));
2125 printf("%-37s%s\n", " Machine:", elf_machine(re->ehdr.e_machine));
2128 printf("%-37s%#x\n", " Version:", re->ehdr.e_version);
2131 printf("%-37s%#jx\n", " Entry point address:",
2132 (uintmax_t)re->ehdr.e_entry);
2135 printf("%-37s%ju (bytes into file)\n", " Start of program headers:",
2136 (uintmax_t)re->ehdr.e_phoff);
2139 printf("%-37s%ju (bytes into file)\n", " Start of section headers:",
2140 (uintmax_t)re->ehdr.e_shoff);
2143 printf("%-37s%#x", " Flags:", re->ehdr.e_flags);
2144 dump_eflags(re, re->ehdr.e_flags);
2148 printf("%-37s%u (bytes)\n", " Size of this header:",
2152 printf("%-37s%u (bytes)\n", " Size of program headers:",
2153 re->ehdr.e_phentsize);
2156 printf("%-37s%u\n", " Number of program headers:", re->ehdr.e_phnum);
2159 printf("%-37s%u (bytes)\n", " Size of section headers:",
2160 re->ehdr.e_shentsize);
2163 printf("%-37s%u", " Number of section headers:", re->ehdr.e_shnum);
2164 if (re->ehdr.e_shnum == SHN_UNDEF) {
2165 /* Extended section numbering is in use. */
2166 if (elf_getshnum(re->elf, &shnum))
2167 printf(" (%ju)", (uintmax_t)shnum);
2172 printf("%-37s%u", " Section header string table index:",
2173 re->ehdr.e_shstrndx);
2174 if (re->ehdr.e_shstrndx == SHN_XINDEX) {
2175 /* Extended section numbering is in use. */
2176 if (elf_getshstrndx(re->elf, &shstrndx))
2177 printf(" (%ju)", (uintmax_t)shstrndx);
2183 dump_eflags(struct readelf *re, uint64_t e_flags)
2185 struct eflags_desc *edesc;
2189 switch (re->ehdr.e_machine) {
2191 arm_eabi = (e_flags & EF_ARM_EABIMASK) >> 24;
2193 printf(", GNU EABI");
2194 else if (arm_eabi <= 5)
2195 printf(", Version%d EABI", arm_eabi);
2196 edesc = arm_eflags_desc;
2199 case EM_MIPS_RS3_LE:
2200 switch ((e_flags & EF_MIPS_ARCH) >> 28) {
2201 case 0: printf(", mips1"); break;
2202 case 1: printf(", mips2"); break;
2203 case 2: printf(", mips3"); break;
2204 case 3: printf(", mips4"); break;
2205 case 4: printf(", mips5"); break;
2206 case 5: printf(", mips32"); break;
2207 case 6: printf(", mips64"); break;
2208 case 7: printf(", mips32r2"); break;
2209 case 8: printf(", mips64r2"); break;
2212 switch ((e_flags & 0x00FF0000) >> 16) {
2213 case 0x81: printf(", 3900"); break;
2214 case 0x82: printf(", 4010"); break;
2215 case 0x83: printf(", 4100"); break;
2216 case 0x85: printf(", 4650"); break;
2217 case 0x87: printf(", 4120"); break;
2218 case 0x88: printf(", 4111"); break;
2219 case 0x8a: printf(", sb1"); break;
2220 case 0x8b: printf(", octeon"); break;
2221 case 0x8c: printf(", xlr"); break;
2222 case 0x91: printf(", 5400"); break;
2223 case 0x98: printf(", 5500"); break;
2224 case 0x99: printf(", 9000"); break;
2225 case 0xa0: printf(", loongson-2e"); break;
2226 case 0xa1: printf(", loongson-2f"); break;
2229 switch ((e_flags & 0x0000F000) >> 12) {
2230 case 1: printf(", o32"); break;
2231 case 2: printf(", o64"); break;
2232 case 3: printf(", eabi32"); break;
2233 case 4: printf(", eabi64"); break;
2236 edesc = mips_eflags_desc;
2240 edesc = powerpc_eflags_desc;
2243 case EM_SPARC32PLUS:
2245 switch ((e_flags & EF_SPARCV9_MM)) {
2246 case EF_SPARCV9_TSO: printf(", tso"); break;
2247 case EF_SPARCV9_PSO: printf(", pso"); break;
2248 case EF_SPARCV9_MM: printf(", rmo"); break;
2251 edesc = sparc_eflags_desc;
2257 if (edesc != NULL) {
2258 while (edesc->desc != NULL) {
2259 if (e_flags & edesc->flag)
2260 printf(", %s", edesc->desc);
2267 dump_phdr(struct readelf *re)
2269 const char *rawfile;
2274 #define PH_HDR "Type", "Offset", "VirtAddr", "PhysAddr", "FileSiz", \
2275 "MemSiz", "Flg", "Align"
2276 #define PH_CT phdr_type(phdr.p_type), (uintmax_t)phdr.p_offset, \
2277 (uintmax_t)phdr.p_vaddr, (uintmax_t)phdr.p_paddr, \
2278 (uintmax_t)phdr.p_filesz, (uintmax_t)phdr.p_memsz, \
2279 phdr.p_flags & PF_R ? 'R' : ' ', \
2280 phdr.p_flags & PF_W ? 'W' : ' ', \
2281 phdr.p_flags & PF_X ? 'E' : ' ', \
2282 (uintmax_t)phdr.p_align
2284 if (elf_getphnum(re->elf, &phnum) == 0) {
2285 warnx("elf_getphnum failed: %s", elf_errmsg(-1));
2289 printf("\nThere are no program headers in this file.\n");
2293 printf("\nElf file type is %s", elf_type(re->ehdr.e_type));
2294 printf("\nEntry point 0x%jx\n", (uintmax_t)re->ehdr.e_entry);
2295 printf("There are %ju program headers, starting at offset %ju\n",
2296 (uintmax_t)phnum, (uintmax_t)re->ehdr.e_phoff);
2298 /* Dump program headers. */
2299 printf("\nProgram Headers:\n");
2300 if (re->ec == ELFCLASS32)
2301 printf(" %-15s%-9s%-11s%-11s%-8s%-8s%-4s%s\n", PH_HDR);
2302 else if (re->options & RE_WW)
2303 printf(" %-15s%-9s%-19s%-19s%-9s%-9s%-4s%s\n", PH_HDR);
2305 printf(" %-15s%-19s%-19s%s\n %-19s%-20s"
2306 "%-7s%s\n", PH_HDR);
2307 for (i = 0; (size_t) i < phnum; i++) {
2308 if (gelf_getphdr(re->elf, i, &phdr) != &phdr) {
2309 warnx("gelf_getphdr failed: %s", elf_errmsg(-1));
2312 /* TODO: Add arch-specific segment type dump. */
2313 if (re->ec == ELFCLASS32)
2314 printf(" %-14.14s 0x%6.6jx 0x%8.8jx 0x%8.8jx "
2315 "0x%5.5jx 0x%5.5jx %c%c%c %#jx\n", PH_CT);
2316 else if (re->options & RE_WW)
2317 printf(" %-14.14s 0x%6.6jx 0x%16.16jx 0x%16.16jx "
2318 "0x%6.6jx 0x%6.6jx %c%c%c %#jx\n", PH_CT);
2320 printf(" %-14.14s 0x%16.16jx 0x%16.16jx 0x%16.16jx\n"
2321 " 0x%16.16jx 0x%16.16jx %c%c%c"
2323 if (phdr.p_type == PT_INTERP) {
2324 if ((rawfile = elf_rawfile(re->elf, &size)) == NULL) {
2325 warnx("elf_rawfile failed: %s", elf_errmsg(-1));
2328 if (phdr.p_offset >= size) {
2329 warnx("invalid program header offset");
2332 printf(" [Requesting program interpreter: %s]\n",
2333 rawfile + phdr.p_offset);
2337 /* Dump section to segment mapping. */
2340 printf("\n Section to Segment mapping:\n");
2341 printf(" Segment Sections...\n");
2342 for (i = 0; (size_t)i < phnum; i++) {
2343 if (gelf_getphdr(re->elf, i, &phdr) != &phdr) {
2344 warnx("gelf_getphdr failed: %s", elf_errmsg(-1));
2347 printf(" %2.2d ", i);
2348 /* skip NULL section. */
2349 for (j = 1; (size_t)j < re->shnum; j++)
2350 if (re->sl[j].addr >= phdr.p_vaddr &&
2351 re->sl[j].addr + re->sl[j].sz <=
2352 phdr.p_vaddr + phdr.p_memsz)
2353 printf("%s ", re->sl[j].name);
2361 section_flags(struct readelf *re, struct section *s)
2364 static char buf[BUF_SZ];
2368 nb = re->ec == ELFCLASS32 ? 8 : 16;
2369 if (re->options & RE_T) {
2370 snprintf(buf, BUF_SZ, "[%*.*jx]: ", nb, nb,
2371 (uintmax_t)s->flags);
2374 for (i = 0; section_flag[i].ln != NULL; i++) {
2375 if ((s->flags & section_flag[i].value) == 0)
2377 if (re->options & RE_T) {
2378 snprintf(&buf[p], BUF_SZ - p, "%s, ",
2379 section_flag[i].ln);
2380 p += strlen(section_flag[i].ln) + 2;
2382 buf[p++] = section_flag[i].sn;
2384 if (re->options & RE_T && p > nb + 4)
2392 dump_shdr(struct readelf *re)
2397 #define S_HDR "[Nr] Name", "Type", "Addr", "Off", "Size", "ES", \
2398 "Flg", "Lk", "Inf", "Al"
2399 #define S_HDRL "[Nr] Name", "Type", "Address", "Offset", "Size", \
2400 "EntSize", "Flags", "Link", "Info", "Align"
2401 #define ST_HDR "[Nr] Name", "Type", "Addr", "Off", "Size", "ES", \
2402 "Lk", "Inf", "Al", "Flags"
2403 #define ST_HDRL "[Nr] Name", "Type", "Address", "Offset", "Link", \
2404 "Size", "EntSize", "Info", "Align", "Flags"
2405 #define S_CT i, s->name, section_type(re->ehdr.e_machine, s->type), \
2406 (uintmax_t)s->addr, (uintmax_t)s->off, (uintmax_t)s->sz,\
2407 (uintmax_t)s->entsize, section_flags(re, s), \
2408 s->link, s->info, (uintmax_t)s->align
2409 #define ST_CT i, s->name, section_type(re->ehdr.e_machine, s->type), \
2410 (uintmax_t)s->addr, (uintmax_t)s->off, (uintmax_t)s->sz,\
2411 (uintmax_t)s->entsize, s->link, s->info, \
2412 (uintmax_t)s->align, section_flags(re, s)
2413 #define ST_CTL i, s->name, section_type(re->ehdr.e_machine, s->type), \
2414 (uintmax_t)s->addr, (uintmax_t)s->off, s->link, \
2415 (uintmax_t)s->sz, (uintmax_t)s->entsize, s->info, \
2416 (uintmax_t)s->align, section_flags(re, s)
2418 if (re->shnum == 0) {
2419 printf("\nThere are no sections in this file.\n");
2422 printf("There are %ju section headers, starting at offset 0x%jx:\n",
2423 (uintmax_t)re->shnum, (uintmax_t)re->ehdr.e_shoff);
2424 printf("\nSection Headers:\n");
2425 if (re->ec == ELFCLASS32) {
2426 if (re->options & RE_T)
2427 printf(" %s\n %-16s%-9s%-7s%-7s%-5s%-3s%-4s%s\n"
2430 printf(" %-23s%-16s%-9s%-7s%-7s%-3s%-4s%-3s%-4s%s\n",
2432 } else if (re->options & RE_WW) {
2433 if (re->options & RE_T)
2434 printf(" %s\n %-16s%-17s%-7s%-7s%-5s%-3s%-4s%s\n"
2437 printf(" %-23s%-16s%-17s%-7s%-7s%-3s%-4s%-3s%-4s%s\n",
2440 if (re->options & RE_T)
2441 printf(" %s\n %-18s%-17s%-18s%s\n %-18s"
2442 "%-17s%-18s%s\n%12s\n", ST_HDRL);
2444 printf(" %-23s%-17s%-18s%s\n %-18s%-17s%-7s%"
2445 "-6s%-6s%s\n", S_HDRL);
2447 for (i = 0; (size_t)i < re->shnum; i++) {
2449 if (re->ec == ELFCLASS32) {
2450 if (re->options & RE_T)
2451 printf(" [%2d] %s\n %-15.15s %8.8jx"
2452 " %6.6jx %6.6jx %2.2jx %2u %3u %2ju\n"
2455 printf(" [%2d] %-17.17s %-15.15s %8.8jx"
2456 " %6.6jx %6.6jx %2.2jx %3s %2u %3u %2ju\n",
2458 } else if (re->options & RE_WW) {
2459 if (re->options & RE_T)
2460 printf(" [%2d] %s\n %-15.15s %16.16jx"
2461 " %6.6jx %6.6jx %2.2jx %2u %3u %2ju\n"
2464 printf(" [%2d] %-17.17s %-15.15s %16.16jx"
2465 " %6.6jx %6.6jx %2.2jx %3s %2u %3u %2ju\n",
2468 if (re->options & RE_T)
2469 printf(" [%2d] %s\n %-15.15s %16.16jx"
2470 " %16.16jx %u\n %16.16jx %16.16jx"
2471 " %-16u %ju\n %s\n", ST_CTL);
2473 printf(" [%2d] %-17.17s %-15.15s %16.16jx"
2474 " %8.8jx\n %16.16jx %16.16jx "
2475 "%3s %2u %3u %ju\n", S_CT);
2478 if ((re->options & RE_T) == 0)
2479 printf("Key to Flags:\n W (write), A (alloc),"
2480 " X (execute), M (merge), S (strings)\n"
2481 " I (info), L (link order), G (group), x (unknown)\n"
2482 " O (extra OS processing required)"
2483 " o (OS specific), p (processor specific)\n");
2495 * Return number of entries in the given section. We'd prefer ent_count be a
2496 * size_t *, but libelf APIs already use int for section indices.
2499 get_ent_count(struct section *s, int *ent_count)
2501 if (s->entsize == 0) {
2502 warnx("section %s has entry size 0", s->name);
2504 } else if (s->sz / s->entsize > INT_MAX) {
2505 warnx("section %s has invalid section count", s->name);
2508 *ent_count = (int)(s->sz / s->entsize);
2513 dump_dynamic(struct readelf *re)
2518 int elferr, i, is_dynamic, j, jmax, nentries;
2522 for (i = 0; (size_t)i < re->shnum; i++) {
2524 if (s->type != SHT_DYNAMIC)
2527 if ((d = elf_getdata(s->scn, NULL)) == NULL) {
2528 elferr = elf_errno();
2530 warnx("elf_getdata failed: %s", elf_errmsg(-1));
2538 /* Determine the actual number of table entries. */
2540 if (!get_ent_count(s, &jmax))
2542 for (j = 0; j < jmax; j++) {
2543 if (gelf_getdyn(d, j, &dyn) != &dyn) {
2544 warnx("gelf_getdyn failed: %s",
2549 if (dyn.d_tag == DT_NULL)
2553 printf("\nDynamic section at offset 0x%jx", (uintmax_t)s->off);
2554 printf(" contains %u entries:\n", nentries);
2556 if (re->ec == ELFCLASS32)
2557 printf("%5s%12s%28s\n", "Tag", "Type", "Name/Value");
2559 printf("%5s%20s%28s\n", "Tag", "Type", "Name/Value");
2561 for (j = 0; j < nentries; j++) {
2562 if (gelf_getdyn(d, j, &dyn) != &dyn)
2564 /* Dump dynamic entry type. */
2565 if (re->ec == ELFCLASS32)
2566 printf(" 0x%8.8jx", (uintmax_t)dyn.d_tag);
2568 printf(" 0x%16.16jx", (uintmax_t)dyn.d_tag);
2569 printf(" %-20s", dt_type(re->ehdr.e_machine,
2571 /* Dump dynamic entry value. */
2572 dump_dyn_val(re, &dyn, s->link);
2577 printf("\nThere is no dynamic section in this file.\n");
2581 timestamp(time_t ti)
2587 snprintf(ts, sizeof(ts), "%04d-%02d-%02dT%02d:%02d:%02d",
2588 t->tm_year + 1900, t->tm_mon + 1, t->tm_mday, t->tm_hour,
2589 t->tm_min, t->tm_sec);
2595 dyn_str(struct readelf *re, uint32_t stab, uint64_t d_val)
2599 if (stab == SHN_UNDEF)
2601 else if ((name = elf_strptr(re->elf, stab, d_val)) == NULL) {
2602 (void) elf_errno(); /* clear error */
2610 dump_arch_dyn_val(struct readelf *re, GElf_Dyn *dyn, uint32_t stab)
2614 switch (re->ehdr.e_machine) {
2616 case EM_MIPS_RS3_LE:
2617 switch (dyn->d_tag) {
2618 case DT_MIPS_RLD_VERSION:
2619 case DT_MIPS_LOCAL_GOTNO:
2620 case DT_MIPS_CONFLICTNO:
2621 case DT_MIPS_LIBLISTNO:
2622 case DT_MIPS_SYMTABNO:
2623 case DT_MIPS_UNREFEXTNO:
2624 case DT_MIPS_GOTSYM:
2625 case DT_MIPS_HIPAGENO:
2626 case DT_MIPS_DELTA_CLASS_NO:
2627 case DT_MIPS_DELTA_INSTANCE_NO:
2628 case DT_MIPS_DELTA_RELOC_NO:
2629 case DT_MIPS_DELTA_SYM_NO:
2630 case DT_MIPS_DELTA_CLASSSYM_NO:
2631 case DT_MIPS_LOCALPAGE_GOTIDX:
2632 case DT_MIPS_LOCAL_GOTIDX:
2633 case DT_MIPS_HIDDEN_GOTIDX:
2634 case DT_MIPS_PROTECTED_GOTIDX:
2635 printf(" %ju\n", (uintmax_t) dyn->d_un.d_val);
2637 case DT_MIPS_ICHECKSUM:
2639 case DT_MIPS_BASE_ADDRESS:
2640 case DT_MIPS_CONFLICT:
2641 case DT_MIPS_LIBLIST:
2642 case DT_MIPS_RLD_MAP:
2643 case DT_MIPS_DELTA_CLASS:
2644 case DT_MIPS_DELTA_INSTANCE:
2645 case DT_MIPS_DELTA_RELOC:
2646 case DT_MIPS_DELTA_SYM:
2647 case DT_MIPS_DELTA_CLASSSYM:
2648 case DT_MIPS_CXX_FLAGS:
2649 case DT_MIPS_PIXIE_INIT:
2650 case DT_MIPS_SYMBOL_LIB:
2651 case DT_MIPS_OPTIONS:
2652 case DT_MIPS_INTERFACE:
2653 case DT_MIPS_DYNSTR_ALIGN:
2654 case DT_MIPS_INTERFACE_SIZE:
2655 case DT_MIPS_RLD_TEXT_RESOLVE_ADDR:
2656 case DT_MIPS_COMPACT_SIZE:
2657 case DT_MIPS_GP_VALUE:
2658 case DT_MIPS_AUX_DYNAMIC:
2659 case DT_MIPS_PLTGOT:
2660 case DT_MIPS_RLD_OBJ_UPDATE:
2662 printf(" 0x%jx\n", (uintmax_t) dyn->d_un.d_val);
2664 case DT_MIPS_IVERSION:
2665 case DT_MIPS_PERF_SUFFIX:
2668 name = dyn_str(re, stab, dyn->d_un.d_val);
2669 printf(" %s\n", name);
2671 case DT_MIPS_TIME_STAMP:
2672 printf(" %s\n", timestamp(dyn->d_un.d_val));
2683 dump_dyn_val(struct readelf *re, GElf_Dyn *dyn, uint32_t stab)
2687 if (dyn->d_tag >= DT_LOPROC && dyn->d_tag <= DT_HIPROC) {
2688 dump_arch_dyn_val(re, dyn, stab);
2692 /* These entry values are index into the string table. */
2694 if (dyn->d_tag == DT_NEEDED || dyn->d_tag == DT_SONAME ||
2695 dyn->d_tag == DT_RPATH || dyn->d_tag == DT_RUNPATH)
2696 name = dyn_str(re, stab, dyn->d_un.d_val);
2698 switch(dyn->d_tag) {
2716 case DT_GNU_LIBLIST:
2717 case DT_GNU_CONFLICT:
2718 printf(" 0x%jx\n", (uintmax_t) dyn->d_un.d_val);
2727 case DT_INIT_ARRAYSZ:
2728 case DT_FINI_ARRAYSZ:
2729 case DT_GNU_CONFLICTSZ:
2730 case DT_GNU_LIBLISTSZ:
2731 printf(" %ju (bytes)\n", (uintmax_t) dyn->d_un.d_val);
2737 printf(" %ju\n", (uintmax_t) dyn->d_un.d_val);
2740 printf(" Shared library: [%s]\n", name);
2743 printf(" Library soname: [%s]\n", name);
2746 printf(" Library rpath: [%s]\n", name);
2749 printf(" Library runpath: [%s]\n", name);
2752 printf(" %s\n", dt_type(re->ehdr.e_machine, dyn->d_un.d_val));
2754 case DT_GNU_PRELINKED:
2755 printf(" %s\n", timestamp(dyn->d_un.d_val));
2763 dump_rel(struct readelf *re, struct section *s, Elf_Data *d)
2766 const char *symname;
2770 if (s->link >= re->shnum)
2773 #define REL_HDR "r_offset", "r_info", "r_type", "st_value", "st_name"
2774 #define REL_CT32 (uintmax_t)r.r_offset, (uintmax_t)r.r_info, \
2775 elftc_reloc_type_str(re->ehdr.e_machine, \
2776 ELF32_R_TYPE(r.r_info)), (uintmax_t)symval, symname
2777 #define REL_CT64 (uintmax_t)r.r_offset, (uintmax_t)r.r_info, \
2778 elftc_reloc_type_str(re->ehdr.e_machine, \
2779 ELF64_R_TYPE(r.r_info)), (uintmax_t)symval, symname
2781 printf("\nRelocation section (%s):\n", s->name);
2782 if (re->ec == ELFCLASS32)
2783 printf("%-8s %-8s %-19s %-8s %s\n", REL_HDR);
2785 if (re->options & RE_WW)
2786 printf("%-16s %-16s %-24s %-16s %s\n", REL_HDR);
2788 printf("%-12s %-12s %-19s %-16s %s\n", REL_HDR);
2790 assert(d->d_size == s->sz);
2791 if (!get_ent_count(s, &len))
2793 for (i = 0; i < len; i++) {
2794 if (gelf_getrel(d, i, &r) != &r) {
2795 warnx("gelf_getrel failed: %s", elf_errmsg(-1));
2798 symname = get_symbol_name(re, s->link, GELF_R_SYM(r.r_info));
2799 symval = get_symbol_value(re, s->link, GELF_R_SYM(r.r_info));
2800 if (re->ec == ELFCLASS32) {
2801 r.r_info = ELF32_R_INFO(ELF64_R_SYM(r.r_info),
2802 ELF64_R_TYPE(r.r_info));
2803 printf("%8.8jx %8.8jx %-19.19s %8.8jx %s\n", REL_CT32);
2805 if (re->options & RE_WW)
2806 printf("%16.16jx %16.16jx %-24.24s"
2807 " %16.16jx %s\n", REL_CT64);
2809 printf("%12.12jx %12.12jx %-19.19s"
2810 " %16.16jx %s\n", REL_CT64);
2819 dump_rela(struct readelf *re, struct section *s, Elf_Data *d)
2822 const char *symname;
2826 if (s->link >= re->shnum)
2829 #define RELA_HDR "r_offset", "r_info", "r_type", "st_value", \
2830 "st_name + r_addend"
2831 #define RELA_CT32 (uintmax_t)r.r_offset, (uintmax_t)r.r_info, \
2832 elftc_reloc_type_str(re->ehdr.e_machine, \
2833 ELF32_R_TYPE(r.r_info)), (uintmax_t)symval, symname
2834 #define RELA_CT64 (uintmax_t)r.r_offset, (uintmax_t)r.r_info, \
2835 elftc_reloc_type_str(re->ehdr.e_machine, \
2836 ELF64_R_TYPE(r.r_info)), (uintmax_t)symval, symname
2838 printf("\nRelocation section with addend (%s):\n", s->name);
2839 if (re->ec == ELFCLASS32)
2840 printf("%-8s %-8s %-19s %-8s %s\n", RELA_HDR);
2842 if (re->options & RE_WW)
2843 printf("%-16s %-16s %-24s %-16s %s\n", RELA_HDR);
2845 printf("%-12s %-12s %-19s %-16s %s\n", RELA_HDR);
2847 assert(d->d_size == s->sz);
2848 if (!get_ent_count(s, &len))
2850 for (i = 0; i < len; i++) {
2851 if (gelf_getrela(d, i, &r) != &r) {
2852 warnx("gelf_getrel failed: %s", elf_errmsg(-1));
2855 symname = get_symbol_name(re, s->link, GELF_R_SYM(r.r_info));
2856 symval = get_symbol_value(re, s->link, GELF_R_SYM(r.r_info));
2857 if (re->ec == ELFCLASS32) {
2858 r.r_info = ELF32_R_INFO(ELF64_R_SYM(r.r_info),
2859 ELF64_R_TYPE(r.r_info));
2860 printf("%8.8jx %8.8jx %-19.19s %8.8jx %s", RELA_CT32);
2861 printf(" + %x\n", (uint32_t) r.r_addend);
2863 if (re->options & RE_WW)
2864 printf("%16.16jx %16.16jx %-24.24s"
2865 " %16.16jx %s", RELA_CT64);
2867 printf("%12.12jx %12.12jx %-19.19s"
2868 " %16.16jx %s", RELA_CT64);
2869 printf(" + %jx\n", (uintmax_t) r.r_addend);
2878 dump_reloc(struct readelf *re)
2884 for (i = 0; (size_t)i < re->shnum; i++) {
2886 if (s->type == SHT_REL || s->type == SHT_RELA) {
2888 if ((d = elf_getdata(s->scn, NULL)) == NULL) {
2889 elferr = elf_errno();
2891 warnx("elf_getdata failed: %s",
2892 elf_errmsg(elferr));
2895 if (s->type == SHT_REL)
2898 dump_rela(re, s, d);
2904 dump_symtab(struct readelf *re, int i)
2915 if (s->link >= re->shnum)
2919 if ((d = elf_getdata(s->scn, NULL)) == NULL) {
2920 elferr = elf_errno();
2922 warnx("elf_getdata failed: %s", elf_errmsg(elferr));
2927 if (!get_ent_count(s, &len))
2929 printf("Symbol table (%s)", s->name);
2930 printf(" contains %d entries:\n", len);
2931 printf("%7s%9s%14s%5s%8s%6s%9s%5s\n", "Num:", "Value", "Size", "Type",
2932 "Bind", "Vis", "Ndx", "Name");
2934 for (j = 0; j < len; j++) {
2935 if (gelf_getsym(d, j, &sym) != &sym) {
2936 warnx("gelf_getsym failed: %s", elf_errmsg(-1));
2940 printf(" %16.16jx", (uintmax_t) sym.st_value);
2941 printf(" %5ju", (uintmax_t) sym.st_size);
2942 printf(" %-7s", st_type(re->ehdr.e_machine,
2943 re->ehdr.e_ident[EI_OSABI], GELF_ST_TYPE(sym.st_info)));
2944 printf(" %-6s", st_bind(GELF_ST_BIND(sym.st_info)));
2945 printf(" %-8s", st_vis(GELF_ST_VISIBILITY(sym.st_other)));
2946 printf(" %3s", st_shndx(sym.st_shndx));
2947 if ((name = elf_strptr(re->elf, stab, sym.st_name)) != NULL)
2948 printf(" %s", name);
2949 /* Append symbol version string for SHT_DYNSYM symbol table. */
2950 if (s->type == SHT_DYNSYM && re->ver != NULL &&
2951 re->vs != NULL && re->vs[j] > 1) {
2952 vs = re->vs[j] & VERSYM_VERSION;
2953 if (vs >= re->ver_sz || re->ver[vs].name == NULL) {
2954 warnx("invalid versym version index %u", vs);
2957 if (re->vs[j] & VERSYM_HIDDEN || re->ver[vs].type == 0)
2958 printf("@%s (%d)", re->ver[vs].name, vs);
2960 printf("@@%s (%d)", re->ver[vs].name, vs);
2968 dump_symtabs(struct readelf *re)
2977 * If -D is specified, only dump the symbol table specified by
2978 * the DT_SYMTAB entry in the .dynamic section.
2981 if (re->options & RE_DD) {
2983 for (i = 0; (size_t)i < re->shnum; i++)
2984 if (re->sl[i].type == SHT_DYNAMIC) {
2991 if ((d = elf_getdata(s->scn, NULL)) == NULL) {
2992 elferr = elf_errno();
2994 warnx("elf_getdata failed: %s", elf_errmsg(-1));
2999 if (!get_ent_count(s, &len))
3002 for (i = 0; i < len; i++) {
3003 if (gelf_getdyn(d, i, &dyn) != &dyn) {
3004 warnx("gelf_getdyn failed: %s", elf_errmsg(-1));
3007 if (dyn.d_tag == DT_SYMTAB) {
3008 dyn_off = dyn.d_un.d_val;
3014 /* Find and dump symbol tables. */
3015 for (i = 0; (size_t)i < re->shnum; i++) {
3017 if (s->type == SHT_SYMTAB || s->type == SHT_DYNSYM) {
3018 if (re->options & RE_DD) {
3019 if (dyn_off == s->addr) {
3030 dump_svr4_hash(struct section *s)
3034 uint32_t nbucket, nchain;
3035 uint32_t *bucket, *chain;
3036 uint32_t *bl, *c, maxl, total;
3039 /* Read and parse the content of .hash section. */
3041 if ((d = elf_getdata(s->scn, NULL)) == NULL) {
3042 elferr = elf_errno();
3044 warnx("elf_getdata failed: %s", elf_errmsg(elferr));
3047 if (d->d_size < 2 * sizeof(uint32_t)) {
3048 warnx(".hash section too small");
3054 if (nbucket <= 0 || nchain <= 0) {
3055 warnx("Malformed .hash section");
3058 if (d->d_size != (nbucket + nchain + 2) * sizeof(uint32_t)) {
3059 warnx("Malformed .hash section");
3063 chain = &buf[2 + nbucket];
3066 if ((bl = calloc(nbucket, sizeof(*bl))) == NULL)
3067 errx(EXIT_FAILURE, "calloc failed");
3068 for (i = 0; (uint32_t)i < nbucket; i++)
3069 for (j = bucket[i]; j > 0 && (uint32_t)j < nchain; j = chain[j])
3072 if ((c = calloc(maxl + 1, sizeof(*c))) == NULL)
3073 errx(EXIT_FAILURE, "calloc failed");
3074 for (i = 0; (uint32_t)i < nbucket; i++)
3076 printf("\nHistogram for bucket list length (total of %u buckets):\n",
3078 printf(" Length\tNumber\t\t%% of total\tCoverage\n");
3080 for (i = 0; (uint32_t)i <= maxl; i++) {
3082 printf("%7u\t%-10u\t(%5.1f%%)\t%5.1f%%\n", i, c[i],
3083 c[i] * 100.0 / nbucket, total * 100.0 / (nchain - 1));
3090 dump_svr4_hash64(struct readelf *re, struct section *s)
3094 uint64_t nbucket, nchain;
3095 uint64_t *bucket, *chain;
3096 uint64_t *bl, *c, maxl, total;
3100 * ALPHA uses 64-bit hash entries. Since libelf assumes that
3101 * .hash section contains only 32-bit entry, an explicit
3102 * gelf_xlatetom is needed here.
3105 if ((d = elf_rawdata(s->scn, NULL)) == NULL) {
3106 elferr = elf_errno();
3108 warnx("elf_rawdata failed: %s",
3109 elf_errmsg(elferr));
3112 d->d_type = ELF_T_XWORD;
3113 memcpy(&dst, d, sizeof(Elf_Data));
3114 if (gelf_xlatetom(re->elf, &dst, d,
3115 re->ehdr.e_ident[EI_DATA]) != &dst) {
3116 warnx("gelf_xlatetom failed: %s", elf_errmsg(-1));
3119 if (dst.d_size < 2 * sizeof(uint64_t)) {
3120 warnx(".hash section too small");
3126 if (nbucket <= 0 || nchain <= 0) {
3127 warnx("Malformed .hash section");
3130 if (d->d_size != (nbucket + nchain + 2) * sizeof(uint32_t)) {
3131 warnx("Malformed .hash section");
3135 chain = &buf[2 + nbucket];
3138 if ((bl = calloc(nbucket, sizeof(*bl))) == NULL)
3139 errx(EXIT_FAILURE, "calloc failed");
3140 for (i = 0; (uint32_t)i < nbucket; i++)
3141 for (j = bucket[i]; j > 0 && (uint32_t)j < nchain; j = chain[j])
3144 if ((c = calloc(maxl + 1, sizeof(*c))) == NULL)
3145 errx(EXIT_FAILURE, "calloc failed");
3146 for (i = 0; (uint64_t)i < nbucket; i++)
3148 printf("Histogram for bucket list length (total of %ju buckets):\n",
3149 (uintmax_t)nbucket);
3150 printf(" Length\tNumber\t\t%% of total\tCoverage\n");
3152 for (i = 0; (uint64_t)i <= maxl; i++) {
3154 printf("%7u\t%-10ju\t(%5.1f%%)\t%5.1f%%\n", i, (uintmax_t)c[i],
3155 c[i] * 100.0 / nbucket, total * 100.0 / (nchain - 1));
3162 dump_gnu_hash(struct readelf *re, struct section *s)
3167 uint32_t *bucket, *chain;
3168 uint32_t nbucket, nchain, symndx, maskwords;
3169 uint32_t *bl, *c, maxl, total;
3170 int elferr, dynsymcount, i, j;
3173 if ((d = elf_getdata(s->scn, NULL)) == NULL) {
3174 elferr = elf_errno();
3176 warnx("elf_getdata failed: %s",
3177 elf_errmsg(elferr));
3180 if (d->d_size < 4 * sizeof(uint32_t)) {
3181 warnx(".gnu.hash section too small");
3189 if (s->link >= re->shnum)
3191 ds = &re->sl[s->link];
3192 if (!get_ent_count(ds, &dynsymcount))
3194 if (symndx >= (uint32_t)dynsymcount) {
3195 warnx("Malformed .gnu.hash section (symndx out of range)");
3198 nchain = dynsymcount - symndx;
3199 if (d->d_size != 4 * sizeof(uint32_t) + maskwords *
3200 (re->ec == ELFCLASS32 ? sizeof(uint32_t) : sizeof(uint64_t)) +
3201 (nbucket + nchain) * sizeof(uint32_t)) {
3202 warnx("Malformed .gnu.hash section");
3205 bucket = buf + (re->ec == ELFCLASS32 ? maskwords : maskwords * 2);
3206 chain = bucket + nbucket;
3209 if ((bl = calloc(nbucket, sizeof(*bl))) == NULL)
3210 errx(EXIT_FAILURE, "calloc failed");
3211 for (i = 0; (uint32_t)i < nbucket; i++)
3212 for (j = bucket[i]; j > 0 && (uint32_t)j - symndx < nchain;
3216 if (chain[j - symndx] & 1)
3219 if ((c = calloc(maxl + 1, sizeof(*c))) == NULL)
3220 errx(EXIT_FAILURE, "calloc failed");
3221 for (i = 0; (uint32_t)i < nbucket; i++)
3223 printf("Histogram for bucket list length (total of %u buckets):\n",
3225 printf(" Length\tNumber\t\t%% of total\tCoverage\n");
3227 for (i = 0; (uint32_t)i <= maxl; i++) {
3229 printf("%7u\t%-10u\t(%5.1f%%)\t%5.1f%%\n", i, c[i],
3230 c[i] * 100.0 / nbucket, total * 100.0 / (nchain - 1));
3237 dump_hash(struct readelf *re)
3242 for (i = 0; (size_t) i < re->shnum; i++) {
3244 if (s->type == SHT_HASH || s->type == SHT_GNU_HASH) {
3245 if (s->type == SHT_GNU_HASH)
3246 dump_gnu_hash(re, s);
3247 else if (re->ehdr.e_machine == EM_ALPHA &&
3249 dump_svr4_hash64(re, s);
3257 dump_notes(struct readelf *re)
3260 const char *rawfile;
3263 size_t filesize, phnum;
3266 if (re->ehdr.e_type == ET_CORE) {
3268 * Search program headers in the core file for
3271 if (elf_getphnum(re->elf, &phnum) == 0) {
3272 warnx("elf_getphnum failed: %s", elf_errmsg(-1));
3277 if ((rawfile = elf_rawfile(re->elf, &filesize)) == NULL) {
3278 warnx("elf_rawfile failed: %s", elf_errmsg(-1));
3281 for (i = 0; (size_t) i < phnum; i++) {
3282 if (gelf_getphdr(re->elf, i, &phdr) != &phdr) {
3283 warnx("gelf_getphdr failed: %s",
3287 if (phdr.p_type == PT_NOTE) {
3288 if (phdr.p_offset >= filesize ||
3289 phdr.p_filesz > filesize - phdr.p_offset) {
3290 warnx("invalid PHDR offset");
3293 dump_notes_content(re, rawfile + phdr.p_offset,
3294 phdr.p_filesz, phdr.p_offset);
3300 * For objects other than core files, Search for
3301 * SHT_NOTE sections.
3303 for (i = 0; (size_t) i < re->shnum; i++) {
3305 if (s->type == SHT_NOTE) {
3307 if ((d = elf_getdata(s->scn, NULL)) == NULL) {
3308 elferr = elf_errno();
3310 warnx("elf_getdata failed: %s",
3311 elf_errmsg(elferr));
3314 dump_notes_content(re, d->d_buf, d->d_size,
3322 dump_notes_content(struct readelf *re, const char *buf, size_t sz, off_t off)
3325 const char *end, *name;
3327 printf("\nNotes at offset %#010jx with length %#010jx:\n",
3328 (uintmax_t) off, (uintmax_t) sz);
3329 printf(" %-13s %-15s %s\n", "Owner", "Data size", "Description");
3332 if (buf + sizeof(*note) > end) {
3333 warnx("invalid note header");
3336 note = (Elf_Note *)(uintptr_t) buf;
3337 name = (char *)(uintptr_t)(note + 1);
3339 * The name field is required to be nul-terminated, and
3340 * n_namesz includes the terminating nul in observed
3341 * implementations (contrary to the ELF-64 spec). A special
3342 * case is needed for cores generated by some older Linux
3343 * versions, which write a note named "CORE" without a nul
3344 * terminator and n_namesz = 4.
3346 if (note->n_namesz == 0)
3348 else if (note->n_namesz == 4 && strncmp(name, "CORE", 4) == 0)
3350 else if (strnlen(name, note->n_namesz) >= note->n_namesz)
3352 printf(" %-13s %#010jx", name, (uintmax_t) note->n_descsz);
3353 printf(" %s\n", note_type(name, re->ehdr.e_type,
3355 buf += sizeof(Elf_Note) + roundup2(note->n_namesz, 4) +
3356 roundup2(note->n_descsz, 4);
3361 * Symbol versioning sections are the same for 32bit and 64bit
3364 #define Elf_Verdef Elf32_Verdef
3365 #define Elf_Verdaux Elf32_Verdaux
3366 #define Elf_Verneed Elf32_Verneed
3367 #define Elf_Vernaux Elf32_Vernaux
3369 #define SAVE_VERSION_NAME(x, n, t) \
3371 while (x >= re->ver_sz) { \
3372 nv = realloc(re->ver, \
3373 sizeof(*re->ver) * re->ver_sz * 2); \
3375 warn("realloc failed"); \
3380 for (i = re->ver_sz; i < re->ver_sz * 2; i++) { \
3381 re->ver[i].name = NULL; \
3382 re->ver[i].type = 0; \
3387 re->ver[x].name = n; \
3388 re->ver[x].type = t; \
3394 dump_verdef(struct readelf *re, int dump)
3401 uint8_t *buf, *end, *buf2;
3405 if ((s = re->vd_s) == NULL)
3407 if (s->link >= re->shnum)
3410 if (re->ver == NULL) {
3412 if ((re->ver = calloc(re->ver_sz, sizeof(*re->ver))) ==
3414 warn("calloc failed");
3417 re->ver[0].name = "*local*";
3418 re->ver[1].name = "*global*";
3422 printf("\nVersion definition section (%s):\n", s->name);
3424 if ((d = elf_getdata(s->scn, NULL)) == NULL) {
3425 elferr = elf_errno();
3427 warnx("elf_getdata failed: %s", elf_errmsg(elferr));
3434 end = buf + d->d_size;
3435 while (buf + sizeof(Elf_Verdef) <= end) {
3436 vd = (Elf_Verdef *) (uintptr_t) buf;
3438 printf(" 0x%4.4lx", (unsigned long)
3439 (buf - (uint8_t *)d->d_buf));
3440 printf(" vd_version: %u vd_flags: %d"
3441 " vd_ndx: %u vd_cnt: %u", vd->vd_version,
3442 vd->vd_flags, vd->vd_ndx, vd->vd_cnt);
3444 buf2 = buf + vd->vd_aux;
3446 while (buf2 + sizeof(Elf_Verdaux) <= end && j < vd->vd_cnt) {
3447 vda = (Elf_Verdaux *) (uintptr_t) buf2;
3448 name = get_string(re, s->link, vda->vda_name);
3451 printf(" vda_name: %s\n", name);
3452 SAVE_VERSION_NAME((int)vd->vd_ndx, name, 1);
3454 printf(" 0x%4.4lx parent: %s\n",
3455 (unsigned long) (buf2 -
3456 (uint8_t *)d->d_buf), name);
3457 if (vda->vda_next == 0)
3459 buf2 += vda->vda_next;
3462 if (vd->vd_next == 0)
3469 dump_verneed(struct readelf *re, int dump)
3476 uint8_t *buf, *end, *buf2;
3480 if ((s = re->vn_s) == NULL)
3482 if (s->link >= re->shnum)
3485 if (re->ver == NULL) {
3487 if ((re->ver = calloc(re->ver_sz, sizeof(*re->ver))) ==
3489 warn("calloc failed");
3492 re->ver[0].name = "*local*";
3493 re->ver[1].name = "*global*";
3497 printf("\nVersion needed section (%s):\n", s->name);
3499 if ((d = elf_getdata(s->scn, NULL)) == NULL) {
3500 elferr = elf_errno();
3502 warnx("elf_getdata failed: %s", elf_errmsg(elferr));
3509 end = buf + d->d_size;
3510 while (buf + sizeof(Elf_Verneed) <= end) {
3511 vn = (Elf_Verneed *) (uintptr_t) buf;
3513 printf(" 0x%4.4lx", (unsigned long)
3514 (buf - (uint8_t *)d->d_buf));
3515 printf(" vn_version: %u vn_file: %s vn_cnt: %u\n",
3517 get_string(re, s->link, vn->vn_file),
3520 buf2 = buf + vn->vn_aux;
3522 while (buf2 + sizeof(Elf_Vernaux) <= end && j < vn->vn_cnt) {
3523 vna = (Elf32_Vernaux *) (uintptr_t) buf2;
3525 printf(" 0x%4.4lx", (unsigned long)
3526 (buf2 - (uint8_t *)d->d_buf));
3527 name = get_string(re, s->link, vna->vna_name);
3529 printf(" vna_name: %s vna_flags: %u"
3530 " vna_other: %u\n", name,
3531 vna->vna_flags, vna->vna_other);
3532 SAVE_VERSION_NAME((int)vna->vna_other, name, 0);
3533 if (vna->vna_next == 0)
3535 buf2 += vna->vna_next;
3538 if (vn->vn_next == 0)
3545 dump_versym(struct readelf *re)
3550 if (re->vs_s == NULL || re->ver == NULL || re->vs == NULL)
3552 printf("\nVersion symbol section (%s):\n", re->vs_s->name);
3553 for (i = 0; i < re->vs_sz; i++) {
3557 printf(" %03x:", i);
3559 vs = re->vs[i] & VERSYM_VERSION;
3560 if (vs >= re->ver_sz || re->ver[vs].name == NULL) {
3561 warnx("invalid versym version index %u", re->vs[i]);
3564 if (re->vs[i] & VERSYM_HIDDEN)
3565 printf(" %3xh %-12s ", vs,
3566 re->ver[re->vs[i] & VERSYM_VERSION].name);
3568 printf(" %3x %-12s ", vs, re->ver[re->vs[i]].name);
3574 dump_ver(struct readelf *re)
3577 if (re->vs_s && re->ver && re->vs)
3582 dump_verneed(re, 1);
3586 search_ver(struct readelf *re)
3592 for (i = 0; (size_t) i < re->shnum; i++) {
3594 if (s->type == SHT_SUNW_versym)
3596 if (s->type == SHT_SUNW_verneed)
3598 if (s->type == SHT_SUNW_verdef)
3604 dump_verneed(re, 0);
3605 if (re->vs_s && re->ver != NULL) {
3607 if ((d = elf_getdata(re->vs_s->scn, NULL)) == NULL) {
3608 elferr = elf_errno();
3610 warnx("elf_getdata failed: %s",
3611 elf_errmsg(elferr));
3617 re->vs_sz = d->d_size / sizeof(Elf32_Half);
3625 #undef SAVE_VERSION_NAME
3628 * Elf32_Lib and Elf64_Lib are identical.
3630 #define Elf_Lib Elf32_Lib
3633 dump_liblist(struct readelf *re)
3641 int i, j, k, elferr, first, len;
3643 for (i = 0; (size_t) i < re->shnum; i++) {
3645 if (s->type != SHT_GNU_LIBLIST)
3647 if (s->link >= re->shnum)
3650 if ((d = elf_getdata(s->scn, NULL)) == NULL) {
3651 elferr = elf_errno();
3653 warnx("elf_getdata failed: %s",
3654 elf_errmsg(elferr));
3660 if (!get_ent_count(s, &len))
3662 printf("\nLibrary list section '%s' ", s->name);
3663 printf("contains %d entries:\n", len);
3664 printf("%12s%24s%18s%10s%6s\n", "Library", "Time Stamp",
3665 "Checksum", "Version", "Flags");
3666 for (j = 0; (uint64_t) j < s->sz / s->entsize; j++) {
3669 get_string(re, s->link, lib->l_name));
3670 ti = lib->l_time_stamp;
3672 snprintf(tbuf, sizeof(tbuf), "%04d-%02d-%02dT%02d:%02d"
3673 ":%2d", t->tm_year + 1900, t->tm_mon + 1,
3674 t->tm_mday, t->tm_hour, t->tm_min, t->tm_sec);
3675 printf("%-19.19s ", tbuf);
3676 printf("0x%08x ", lib->l_checksum);
3677 printf("%-7d %#x", lib->l_version, lib->l_flags);
3678 if (lib->l_flags != 0) {
3681 for (k = 0; l_flag[k].name != NULL; k++) {
3682 if ((l_flag[k].value & lib->l_flags) ==
3689 printf("%s", l_flag[k].name);
3702 dump_section_groups(struct readelf *re)
3705 const char *symname;
3711 for (i = 0; (size_t) i < re->shnum; i++) {
3713 if (s->type != SHT_GROUP)
3715 if (s->link >= re->shnum)
3718 if ((d = elf_getdata(s->scn, NULL)) == NULL) {
3719 elferr = elf_errno();
3721 warnx("elf_getdata failed: %s",
3722 elf_errmsg(elferr));
3730 /* We only support COMDAT section. */
3732 #define GRP_COMDAT 0x1
3734 if ((*w++ & GRP_COMDAT) == 0)
3737 if (s->entsize == 0)
3740 symname = get_symbol_name(re, s->link, s->info);
3741 n = s->sz / s->entsize;
3745 printf("\nCOMDAT group section [%5d] `%s' [%s] contains %ju"
3746 " sections:\n", i, s->name, symname, (uintmax_t)n);
3747 printf(" %-10.10s %s\n", "[Index]", "Name");
3748 for (j = 0; (size_t) j < n; j++, w++) {
3749 if (*w >= re->shnum) {
3750 warnx("invalid section index: %u", *w);
3753 printf(" [%5u] %s\n", *w, re->sl[*w].name);
3759 dump_unknown_tag(uint64_t tag, uint8_t *p, uint8_t *pe)
3764 * According to ARM EABI: For tags > 32, even numbered tags have
3765 * a ULEB128 param and odd numbered ones have NUL-terminated
3766 * string param. This rule probably also applies for tags <= 32
3767 * if the object arch is not ARM.
3770 printf(" Tag_unknown_%ju: ", (uintmax_t) tag);
3773 printf("%s\n", (char *) p);
3774 p += strlen((char *) p) + 1;
3776 val = _decode_uleb128(&p, pe);
3777 printf("%ju\n", (uintmax_t) val);
3784 dump_compatibility_tag(uint8_t *p, uint8_t *pe)
3788 val = _decode_uleb128(&p, pe);
3789 printf("flag = %ju, vendor = %s\n", (uintmax_t) val, p);
3790 p += strlen((char *) p) + 1;
3796 dump_arm_attributes(struct readelf *re, uint8_t *p, uint8_t *pe)
3805 tag = _decode_uleb128(&p, pe);
3807 for (i = 0; i < sizeof(aeabi_tags) / sizeof(aeabi_tags[0]);
3809 if (tag == aeabi_tags[i].tag) {
3811 printf(" %s: ", aeabi_tags[i].s_tag);
3812 if (aeabi_tags[i].get_desc) {
3814 val = _decode_uleb128(&p, pe);
3816 aeabi_tags[i].get_desc(val));
3820 if (tag < aeabi_tags[i].tag)
3824 p = dump_unknown_tag(tag, p, pe);
3831 case 4: /* Tag_CPU_raw_name */
3832 case 5: /* Tag_CPU_name */
3833 case 67: /* Tag_conformance */
3834 printf("%s\n", (char *) p);
3835 p += strlen((char *) p) + 1;
3837 case 32: /* Tag_compatibility */
3838 p = dump_compatibility_tag(p, pe);
3840 case 64: /* Tag_nodefaults */
3841 /* ignored, written as 0. */
3842 (void) _decode_uleb128(&p, pe);
3845 case 65: /* Tag_also_compatible_with */
3846 val = _decode_uleb128(&p, pe);
3847 /* Must be Tag_CPU_arch */
3849 printf("unknown\n");
3852 val = _decode_uleb128(&p, pe);
3853 printf("%s\n", aeabi_cpu_arch(val));
3854 /* Skip NUL terminator. */
3864 #ifndef Tag_GNU_MIPS_ABI_FP
3865 #define Tag_GNU_MIPS_ABI_FP 4
3869 dump_mips_attributes(struct readelf *re, uint8_t *p, uint8_t *pe)
3876 tag = _decode_uleb128(&p, pe);
3878 case Tag_GNU_MIPS_ABI_FP:
3879 val = _decode_uleb128(&p, pe);
3880 printf(" Tag_GNU_MIPS_ABI_FP: %s\n", mips_abi_fp(val));
3882 case 32: /* Tag_compatibility */
3883 p = dump_compatibility_tag(p, pe);
3886 p = dump_unknown_tag(tag, p, pe);
3892 #ifndef Tag_GNU_Power_ABI_FP
3893 #define Tag_GNU_Power_ABI_FP 4
3896 #ifndef Tag_GNU_Power_ABI_Vector
3897 #define Tag_GNU_Power_ABI_Vector 8
3901 dump_ppc_attributes(uint8_t *p, uint8_t *pe)
3906 tag = _decode_uleb128(&p, pe);
3908 case Tag_GNU_Power_ABI_FP:
3909 val = _decode_uleb128(&p, pe);
3910 printf(" Tag_GNU_Power_ABI_FP: %s\n", ppc_abi_fp(val));
3912 case Tag_GNU_Power_ABI_Vector:
3913 val = _decode_uleb128(&p, pe);
3914 printf(" Tag_GNU_Power_ABI_Vector: %s\n",
3915 ppc_abi_vector(val));
3917 case 32: /* Tag_compatibility */
3918 p = dump_compatibility_tag(p, pe);
3921 p = dump_unknown_tag(tag, p, pe);
3928 dump_attributes(struct readelf *re)
3932 uint8_t *p, *pe, *sp;
3933 size_t len, seclen, nlen, sublen;
3937 for (i = 0; (size_t) i < re->shnum; i++) {
3939 if (s->type != SHT_GNU_ATTRIBUTES &&
3940 (re->ehdr.e_machine != EM_ARM || s->type != SHT_LOPROC + 3))
3943 if ((d = elf_rawdata(s->scn, NULL)) == NULL) {
3944 elferr = elf_errno();
3946 warnx("elf_rawdata failed: %s",
3947 elf_errmsg(elferr));
3955 printf("Unknown Attribute Section Format: %c\n",
3959 len = d->d_size - 1;
3963 warnx("truncated attribute section length");
3966 seclen = re->dw_decode(&p, 4);
3968 warnx("invalid attribute section length");
3972 nlen = strlen((char *) p) + 1;
3973 if (nlen + 4 > seclen) {
3974 warnx("invalid attribute section name");
3977 printf("Attribute Section: %s\n", (char *) p);
3980 while (seclen > 0) {
3983 sublen = re->dw_decode(&p, 4);
3984 if (sublen > seclen) {
3985 warnx("invalid attribute sub-section"
3990 printf("%s", top_tag(tag));
3991 if (tag == 2 || tag == 3) {
3994 val = _decode_uleb128(&p, pe);
3997 printf(" %ju", (uintmax_t) val);
4001 if (re->ehdr.e_machine == EM_ARM &&
4002 s->type == SHT_LOPROC + 3)
4003 dump_arm_attributes(re, p, sp + sublen);
4004 else if (re->ehdr.e_machine == EM_MIPS ||
4005 re->ehdr.e_machine == EM_MIPS_RS3_LE)
4006 dump_mips_attributes(re, p,
4008 else if (re->ehdr.e_machine == EM_PPC)
4009 dump_ppc_attributes(p, sp + sublen);
4017 dump_mips_specific_info(struct readelf *re)
4020 int i, options_found;
4024 for (i = 0; (size_t) i < re->shnum; i++) {
4026 if (s->name != NULL && (!strcmp(s->name, ".MIPS.options") ||
4027 (s->type == SHT_MIPS_OPTIONS))) {
4028 dump_mips_options(re, s);
4034 * According to SGI mips64 spec, .reginfo should be ignored if
4035 * .MIPS.options section is present.
4037 if (!options_found) {
4038 for (i = 0; (size_t) i < re->shnum; i++) {
4040 if (s->name != NULL && (!strcmp(s->name, ".reginfo") ||
4041 (s->type == SHT_MIPS_REGINFO)))
4042 dump_mips_reginfo(re, s);
4048 dump_mips_reginfo(struct readelf *re, struct section *s)
4054 if ((d = elf_rawdata(s->scn, NULL)) == NULL) {
4055 elferr = elf_errno();
4057 warnx("elf_rawdata failed: %s",
4058 elf_errmsg(elferr));
4063 if (!get_ent_count(s, &len))
4066 printf("\nSection '%s' contains %d entries:\n", s->name, len);
4067 dump_mips_odk_reginfo(re, d->d_buf, d->d_size);
4071 dump_mips_options(struct readelf *re, struct section *s)
4081 if ((d = elf_rawdata(s->scn, NULL)) == NULL) {
4082 elferr = elf_errno();
4084 warnx("elf_rawdata failed: %s",
4085 elf_errmsg(elferr));
4091 printf("\nSection %s contains:\n", s->name);
4096 warnx("Truncated MIPS option header");
4099 kind = re->dw_decode(&p, 1);
4100 size = re->dw_decode(&p, 1);
4101 sndx = re->dw_decode(&p, 2);
4102 info = re->dw_decode(&p, 4);
4103 if (size < 8 || size - 8 > pe - p) {
4104 warnx("Malformed MIPS option header");
4110 dump_mips_odk_reginfo(re, p, size);
4112 case ODK_EXCEPTIONS:
4113 printf(" EXCEPTIONS FPU_MIN: %#x\n",
4114 info & OEX_FPU_MIN);
4115 printf("%11.11s FPU_MAX: %#x\n", "",
4116 info & OEX_FPU_MAX);
4117 dump_mips_option_flags("", mips_exceptions_option,
4121 printf(" %-10.10s section: %ju\n", "OPAD",
4123 dump_mips_option_flags("", mips_pad_option, info);
4126 dump_mips_option_flags("HWPATCH", mips_hwpatch_option,
4130 dump_mips_option_flags("HWAND", mips_hwa_option, info);
4133 dump_mips_option_flags("HWOR", mips_hwo_option, info);
4136 printf(" %-10.10s %#jx\n", "FILL", (uintmax_t) info);
4139 printf(" %-10.10s\n", "TAGS");
4142 printf(" %-10.10s GP group number: %#x\n", "GP_GROUP",
4145 printf(" %-10.10s GP group is "
4146 "self-contained\n", "");
4149 printf(" %-10.10s default GP group number: %#x\n",
4150 "IDENT", info & 0xFFFF);
4152 printf(" %-10.10s default GP group is "
4153 "self-contained\n", "");
4156 printf(" %-10.10s\n", "PAGESIZE");
4166 dump_mips_option_flags(const char *name, struct mips_option *opt, uint64_t info)
4171 for (; opt->desc != NULL; opt++) {
4172 if (info & opt->flag) {
4173 printf(" %-10.10s %s\n", first ? name : "",
4181 dump_mips_odk_reginfo(struct readelf *re, uint8_t *p, size_t sz)
4183 uint32_t ri_gprmask;
4184 uint32_t ri_cprmask[4];
4185 uint64_t ri_gp_value;
4191 ri_gprmask = re->dw_decode(&p, 4);
4192 /* Skip ri_pad padding field for mips64. */
4193 if (re->ec == ELFCLASS64)
4194 re->dw_decode(&p, 4);
4195 for (i = 0; i < 4; i++)
4196 ri_cprmask[i] = re->dw_decode(&p, 4);
4197 if (re->ec == ELFCLASS32)
4198 ri_gp_value = re->dw_decode(&p, 4);
4200 ri_gp_value = re->dw_decode(&p, 8);
4201 printf(" %s ", option_kind(ODK_REGINFO));
4202 printf("ri_gprmask: 0x%08jx\n", (uintmax_t) ri_gprmask);
4203 for (i = 0; i < 4; i++)
4204 printf("%11.11s ri_cprmask[%d]: 0x%08jx\n", "", i,
4205 (uintmax_t) ri_cprmask[i]);
4206 printf("%12.12s", "");
4207 printf("ri_gp_value: %#jx\n", (uintmax_t) ri_gp_value);
4212 dump_arch_specific_info(struct readelf *re)
4216 dump_attributes(re);
4218 switch (re->ehdr.e_machine) {
4220 case EM_MIPS_RS3_LE:
4221 dump_mips_specific_info(re);
4228 dwarf_regname(struct readelf *re, unsigned int num)
4233 if ((rn = dwarf_reg(re->ehdr.e_machine, num)) != NULL)
4236 snprintf(rx, sizeof(rx), "r%u", num);
4242 dump_dwarf_line(struct readelf *re)
4247 Dwarf_Half tag, version, pointer_size;
4248 Dwarf_Unsigned offset, endoff, length, hdrlen, dirndx, mtime, fsize;
4249 Dwarf_Small minlen, defstmt, lrange, opbase, oplen;
4252 uint64_t address, file, line, column, isa, opsize, udelta;
4256 int i, is_stmt, dwarf_size, elferr, ret;
4258 printf("\nDump of debug contents of section .debug_line:\n");
4261 for (i = 0; (size_t) i < re->shnum; i++) {
4263 if (s->name != NULL && !strcmp(s->name, ".debug_line"))
4266 if ((size_t) i >= re->shnum)
4270 if ((d = elf_getdata(s->scn, NULL)) == NULL) {
4271 elferr = elf_errno();
4273 warnx("elf_getdata failed: %s", elf_errmsg(-1));
4279 while ((ret = dwarf_next_cu_header(re->dbg, NULL, NULL, NULL, NULL,
4280 NULL, &de)) == DW_DLV_OK) {
4282 while (dwarf_siblingof(re->dbg, die, &die, &de) == DW_DLV_OK) {
4283 if (dwarf_tag(die, &tag, &de) != DW_DLV_OK) {
4284 warnx("dwarf_tag failed: %s",
4288 /* XXX: What about DW_TAG_partial_unit? */
4289 if (tag == DW_TAG_compile_unit)
4293 warnx("could not find DW_TAG_compile_unit die");
4296 if (dwarf_attrval_unsigned(die, DW_AT_stmt_list, &offset,
4300 length = re->dw_read(d, &offset, 4);
4301 if (length == 0xffffffff) {
4303 length = re->dw_read(d, &offset, 8);
4307 if (length > d->d_size - offset) {
4308 warnx("invalid .dwarf_line section");
4312 endoff = offset + length;
4313 pe = (uint8_t *) d->d_buf + endoff;
4314 version = re->dw_read(d, &offset, 2);
4315 hdrlen = re->dw_read(d, &offset, dwarf_size);
4316 minlen = re->dw_read(d, &offset, 1);
4317 defstmt = re->dw_read(d, &offset, 1);
4318 lbase = re->dw_read(d, &offset, 1);
4319 lrange = re->dw_read(d, &offset, 1);
4320 opbase = re->dw_read(d, &offset, 1);
4323 printf(" Length:\t\t\t%ju\n", (uintmax_t) length);
4324 printf(" DWARF version:\t\t%u\n", version);
4325 printf(" Prologue Length:\t\t%ju\n", (uintmax_t) hdrlen);
4326 printf(" Minimum Instruction Length:\t%u\n", minlen);
4327 printf(" Initial value of 'is_stmt':\t%u\n", defstmt);
4328 printf(" Line Base:\t\t\t%d\n", lbase);
4329 printf(" Line Range:\t\t\t%u\n", lrange);
4330 printf(" Opcode Base:\t\t\t%u\n", opbase);
4331 (void) dwarf_get_address_size(re->dbg, &pointer_size, &de);
4332 printf(" (Pointer size:\t\t%u)\n", pointer_size);
4335 printf(" Opcodes:\n");
4336 for (i = 1; i < opbase; i++) {
4337 oplen = re->dw_read(d, &offset, 1);
4338 printf(" Opcode %d has %u args\n", i, oplen);
4342 printf(" The Directory Table:\n");
4343 p = (uint8_t *) d->d_buf + offset;
4344 while (*p != '\0') {
4345 printf(" %s\n", (char *) p);
4346 p += strlen((char *) p) + 1;
4351 printf(" The File Name Table:\n");
4352 printf(" Entry\tDir\tTime\tSize\tName\n");
4354 while (*p != '\0') {
4357 p += strlen(pn) + 1;
4358 dirndx = _decode_uleb128(&p, pe);
4359 mtime = _decode_uleb128(&p, pe);
4360 fsize = _decode_uleb128(&p, pe);
4361 printf(" %d\t%ju\t%ju\t%ju\t%s\n", i,
4362 (uintmax_t) dirndx, (uintmax_t) mtime,
4363 (uintmax_t) fsize, pn);
4366 #define RESET_REGISTERS \
4372 is_stmt = defstmt; \
4375 #define LINE(x) (lbase + (((x) - opbase) % lrange))
4376 #define ADDRESS(x) ((((x) - opbase) / lrange) * minlen)
4380 printf(" Line Number Statements:\n");
4391 opsize = _decode_uleb128(&p, pe);
4392 printf(" Extended opcode %u: ", *p);
4394 case DW_LNE_end_sequence:
4397 printf("End of Sequence\n");
4399 case DW_LNE_set_address:
4401 address = re->dw_decode(&p,
4403 printf("set Address to %#jx\n",
4404 (uintmax_t) address);
4406 case DW_LNE_define_file:
4409 p += strlen(pn) + 1;
4410 dirndx = _decode_uleb128(&p, pe);
4411 mtime = _decode_uleb128(&p, pe);
4412 fsize = _decode_uleb128(&p, pe);
4413 printf("define new file: %s\n", pn);
4416 /* Unrecognized extened opcodes. */
4418 printf("unknown opcode\n");
4420 } else if (*p > 0 && *p < opbase) {
4428 case DW_LNS_advance_pc:
4429 udelta = _decode_uleb128(&p, pe) *
4432 printf(" Advance PC by %ju to %#jx\n",
4434 (uintmax_t) address);
4436 case DW_LNS_advance_line:
4437 sdelta = _decode_sleb128(&p, pe);
4439 printf(" Advance Line by %jd to %ju\n",
4443 case DW_LNS_set_file:
4444 file = _decode_uleb128(&p, pe);
4445 printf(" Set File to %ju\n",
4448 case DW_LNS_set_column:
4449 column = _decode_uleb128(&p, pe);
4450 printf(" Set Column to %ju\n",
4451 (uintmax_t) column);
4453 case DW_LNS_negate_stmt:
4455 printf(" Set is_stmt to %d\n", is_stmt);
4457 case DW_LNS_set_basic_block:
4458 printf(" Set basic block flag\n");
4460 case DW_LNS_const_add_pc:
4461 address += ADDRESS(255);
4462 printf(" Advance PC by constant %ju"
4464 (uintmax_t) ADDRESS(255),
4465 (uintmax_t) address);
4467 case DW_LNS_fixed_advance_pc:
4468 udelta = re->dw_decode(&p, 2);
4470 printf(" Advance PC by fixed value "
4473 (uintmax_t) address);
4475 case DW_LNS_set_prologue_end:
4476 printf(" Set prologue end flag\n");
4478 case DW_LNS_set_epilogue_begin:
4479 printf(" Set epilogue begin flag\n");
4481 case DW_LNS_set_isa:
4482 isa = _decode_uleb128(&p, pe);
4483 printf(" Set isa to %ju\n",
4487 /* Unrecognized extended opcodes. */
4488 printf(" Unknown extended opcode %u\n",
4498 address += ADDRESS(*p);
4499 printf(" Special opcode %u: advance Address "
4500 "by %ju to %#jx and Line by %jd to %ju\n",
4501 *p - opbase, (uintmax_t) ADDRESS(*p),
4502 (uintmax_t) address, (intmax_t) LINE(*p),
4510 if (ret == DW_DLV_ERROR)
4511 warnx("dwarf_next_cu_header: %s", dwarf_errmsg(de));
4513 #undef RESET_REGISTERS
4519 dump_dwarf_line_decoded(struct readelf *re)
4522 Dwarf_Line *linebuf, ln;
4523 Dwarf_Addr lineaddr;
4524 Dwarf_Signed linecount, srccount;
4525 Dwarf_Unsigned lineno, fn;
4527 const char *dir, *file;
4531 printf("Decoded dump of debug contents of section .debug_line:\n\n");
4532 while ((ret = dwarf_next_cu_header(re->dbg, NULL, NULL, NULL, NULL,
4533 NULL, &de)) == DW_DLV_OK) {
4534 if (dwarf_siblingof(re->dbg, NULL, &die, &de) != DW_DLV_OK)
4536 if (dwarf_attrval_string(die, DW_AT_name, &file, &de) !=
4539 if (dwarf_attrval_string(die, DW_AT_comp_dir, &dir, &de) !=
4548 printf("%-37s %11s %s\n", "Filename", "Line Number",
4549 "Starting Address");
4550 if (dwarf_srclines(die, &linebuf, &linecount, &de) != DW_DLV_OK)
4552 if (dwarf_srcfiles(die, &srcfiles, &srccount, &de) != DW_DLV_OK)
4554 for (i = 0; i < linecount; i++) {
4556 if (dwarf_line_srcfileno(ln, &fn, &de) != DW_DLV_OK)
4558 if (dwarf_lineno(ln, &lineno, &de) != DW_DLV_OK)
4560 if (dwarf_lineaddr(ln, &lineaddr, &de) != DW_DLV_OK)
4562 printf("%-37s %11ju %#18jx\n",
4563 basename(srcfiles[fn - 1]), (uintmax_t) lineno,
4564 (uintmax_t) lineaddr);
4571 dump_dwarf_die(struct readelf *re, Dwarf_Die die, int level)
4573 Dwarf_Attribute *attr_list;
4575 Dwarf_Off dieoff, cuoff, culen, attroff;
4576 Dwarf_Unsigned ate, lang, v_udata, v_sig;
4577 Dwarf_Signed attr_count, v_sdata;
4580 Dwarf_Half tag, attr, form;
4581 Dwarf_Block *v_block;
4582 Dwarf_Bool v_bool, is_info;
4586 const char *tag_str, *attr_str, *ate_str, *lang_str;
4587 char unk_tag[32], unk_attr[32];
4592 if (dwarf_dieoffset(die, &dieoff, &de) != DW_DLV_OK) {
4593 warnx("dwarf_dieoffset failed: %s", dwarf_errmsg(de));
4597 printf(" <%d><%jx>: ", level, (uintmax_t) dieoff);
4599 if (dwarf_die_CU_offset_range(die, &cuoff, &culen, &de) != DW_DLV_OK) {
4600 warnx("dwarf_die_CU_offset_range failed: %s",
4605 abc = dwarf_die_abbrev_code(die);
4606 if (dwarf_tag(die, &tag, &de) != DW_DLV_OK) {
4607 warnx("dwarf_tag failed: %s", dwarf_errmsg(de));
4610 if (dwarf_get_TAG_name(tag, &tag_str) != DW_DLV_OK) {
4611 snprintf(unk_tag, sizeof(unk_tag), "[Unknown Tag: %#x]", tag);
4615 printf("Abbrev Number: %d (%s)\n", abc, tag_str);
4617 if ((ret = dwarf_attrlist(die, &attr_list, &attr_count, &de)) !=
4619 if (ret == DW_DLV_ERROR)
4620 warnx("dwarf_attrlist failed: %s", dwarf_errmsg(de));
4624 for (i = 0; i < attr_count; i++) {
4625 if (dwarf_whatform(attr_list[i], &form, &de) != DW_DLV_OK) {
4626 warnx("dwarf_whatform failed: %s", dwarf_errmsg(de));
4629 if (dwarf_whatattr(attr_list[i], &attr, &de) != DW_DLV_OK) {
4630 warnx("dwarf_whatattr failed: %s", dwarf_errmsg(de));
4633 if (dwarf_get_AT_name(attr, &attr_str) != DW_DLV_OK) {
4634 snprintf(unk_attr, sizeof(unk_attr),
4635 "[Unknown AT: %#x]", attr);
4636 attr_str = unk_attr;
4638 if (dwarf_attroffset(attr_list[i], &attroff, &de) !=
4640 warnx("dwarf_attroffset failed: %s", dwarf_errmsg(de));
4643 printf(" <%jx> %-18s: ", (uintmax_t) attroff, attr_str);
4645 case DW_FORM_ref_addr:
4646 case DW_FORM_sec_offset:
4647 if (dwarf_global_formref(attr_list[i], &v_off, &de) !=
4649 warnx("dwarf_global_formref failed: %s",
4653 if (form == DW_FORM_ref_addr)
4654 printf("<0x%jx>", (uintmax_t) v_off);
4656 printf("0x%jx", (uintmax_t) v_off);
4663 case DW_FORM_ref_udata:
4664 if (dwarf_formref(attr_list[i], &v_off, &de) !=
4666 warnx("dwarf_formref failed: %s",
4671 printf("<0x%jx>", (uintmax_t) v_off);
4675 if (dwarf_formaddr(attr_list[i], &v_addr, &de) !=
4677 warnx("dwarf_formaddr failed: %s",
4681 printf("%#jx", (uintmax_t) v_addr);
4689 if (dwarf_formudata(attr_list[i], &v_udata, &de) !=
4691 warnx("dwarf_formudata failed: %s",
4695 if (attr == DW_AT_high_pc)
4696 printf("0x%jx", (uintmax_t) v_udata);
4698 printf("%ju", (uintmax_t) v_udata);
4702 if (dwarf_formsdata(attr_list[i], &v_sdata, &de) !=
4704 warnx("dwarf_formudata failed: %s",
4708 printf("%jd", (intmax_t) v_sdata);
4712 if (dwarf_formflag(attr_list[i], &v_bool, &de) !=
4714 warnx("dwarf_formflag failed: %s",
4718 printf("%jd", (intmax_t) v_bool);
4721 case DW_FORM_flag_present:
4725 case DW_FORM_string:
4727 if (dwarf_formstring(attr_list[i], &v_str, &de) !=
4729 warnx("dwarf_formstring failed: %s",
4733 if (form == DW_FORM_string)
4734 printf("%s", v_str);
4736 printf("(indirect string) %s", v_str);
4740 case DW_FORM_block1:
4741 case DW_FORM_block2:
4742 case DW_FORM_block4:
4743 if (dwarf_formblock(attr_list[i], &v_block, &de) !=
4745 warnx("dwarf_formblock failed: %s",
4749 printf("%ju byte block:", (uintmax_t) v_block->bl_len);
4750 b = v_block->bl_data;
4751 for (j = 0; (Dwarf_Unsigned) j < v_block->bl_len; j++)
4752 printf(" %x", b[j]);
4754 dump_dwarf_block(re, v_block->bl_data, v_block->bl_len);
4758 case DW_FORM_exprloc:
4759 if (dwarf_formexprloc(attr_list[i], &v_udata, &v_expr,
4760 &de) != DW_DLV_OK) {
4761 warnx("dwarf_formexprloc failed: %s",
4765 printf("%ju byte block:", (uintmax_t) v_udata);
4767 for (j = 0; (Dwarf_Unsigned) j < v_udata; j++)
4768 printf(" %x", b[j]);
4770 dump_dwarf_block(re, v_expr, v_udata);
4774 case DW_FORM_ref_sig8:
4775 if (dwarf_formsig8(attr_list[i], &v_sig8, &de) !=
4777 warnx("dwarf_formsig8 failed: %s",
4781 p = (uint8_t *)(uintptr_t) &v_sig8.signature[0];
4782 v_sig = re->dw_decode(&p, 8);
4783 printf("signature: 0x%jx", (uintmax_t) v_sig);
4786 case DW_AT_encoding:
4787 if (dwarf_attrval_unsigned(die, attr, &ate, &de) !=
4790 if (dwarf_get_ATE_name(ate, &ate_str) != DW_DLV_OK)
4791 ate_str = "DW_ATE_UNKNOWN";
4792 printf("\t(%s)", &ate_str[strlen("DW_ATE_")]);
4795 case DW_AT_language:
4796 if (dwarf_attrval_unsigned(die, attr, &lang, &de) !=
4799 if (dwarf_get_LANG_name(lang, &lang_str) != DW_DLV_OK)
4801 printf("\t(%s)", &lang_str[strlen("DW_LANG_")]);
4804 case DW_AT_location:
4805 case DW_AT_string_length:
4806 case DW_AT_return_addr:
4807 case DW_AT_data_member_location:
4808 case DW_AT_frame_base:
4810 case DW_AT_static_link:
4811 case DW_AT_use_location:
4812 case DW_AT_vtable_elem_location:
4816 case DW_FORM_sec_offset:
4817 printf("\t(location list)");
4831 /* Search children. */
4832 ret = dwarf_child(die, &ret_die, &de);
4833 if (ret == DW_DLV_ERROR)
4834 warnx("dwarf_child: %s", dwarf_errmsg(de));
4835 else if (ret == DW_DLV_OK)
4836 dump_dwarf_die(re, ret_die, level + 1);
4838 /* Search sibling. */
4839 is_info = dwarf_get_die_infotypes_flag(die);
4840 ret = dwarf_siblingof_b(re->dbg, die, &ret_die, is_info, &de);
4841 if (ret == DW_DLV_ERROR)
4842 warnx("dwarf_siblingof: %s", dwarf_errmsg(de));
4843 else if (ret == DW_DLV_OK)
4844 dump_dwarf_die(re, ret_die, level);
4846 dwarf_dealloc(re->dbg, die, DW_DLA_DIE);
4850 set_cu_context(struct readelf *re, Dwarf_Half psize, Dwarf_Half osize,
4854 re->cu_psize = psize;
4855 re->cu_osize = osize;
4860 dump_dwarf_info(struct readelf *re, Dwarf_Bool is_info)
4865 Dwarf_Half tag, version, pointer_size, off_size;
4866 Dwarf_Off cu_offset, cu_length;
4868 Dwarf_Unsigned typeoff;
4875 sn = is_info ? ".debug_info" : ".debug_types";
4878 for (i = 0; (size_t) i < re->shnum; i++) {
4880 if (s->name != NULL && !strcmp(s->name, sn))
4883 if ((size_t) i >= re->shnum)
4887 printf("\nDump of debug contents of section %s:\n", sn);
4889 while ((ret = dwarf_next_cu_header_c(re->dbg, is_info, NULL,
4890 &version, &aboff, &pointer_size, &off_size, NULL, &sig8,
4891 &typeoff, NULL, &de)) == DW_DLV_OK) {
4892 set_cu_context(re, pointer_size, off_size, version);
4894 while (dwarf_siblingof_b(re->dbg, die, &die, is_info,
4895 &de) == DW_DLV_OK) {
4896 if (dwarf_tag(die, &tag, &de) != DW_DLV_OK) {
4897 warnx("dwarf_tag failed: %s",
4901 /* XXX: What about DW_TAG_partial_unit? */
4902 if ((is_info && tag == DW_TAG_compile_unit) ||
4903 (!is_info && tag == DW_TAG_type_unit))
4906 if (die == NULL && is_info) {
4907 warnx("could not find DW_TAG_compile_unit "
4910 } else if (die == NULL && !is_info) {
4911 warnx("could not find DW_TAG_type_unit die");
4915 if (dwarf_die_CU_offset_range(die, &cu_offset,
4916 &cu_length, &de) != DW_DLV_OK) {
4917 warnx("dwarf_die_CU_offset failed: %s",
4922 cu_length -= off_size == 4 ? 4 : 12;
4926 p = (uint8_t *)(uintptr_t) &sig8.signature[0];
4927 sig = re->dw_decode(&p, 8);
4930 printf("\n Type Unit @ offset 0x%jx:\n",
4931 (uintmax_t) cu_offset);
4932 printf(" Length:\t\t%#jx (%d-bit)\n",
4933 (uintmax_t) cu_length, off_size == 4 ? 32 : 64);
4934 printf(" Version:\t\t%u\n", version);
4935 printf(" Abbrev Offset:\t0x%jx\n",
4937 printf(" Pointer Size:\t%u\n", pointer_size);
4939 printf(" Signature:\t\t0x%016jx\n",
4941 printf(" Type Offset:\t0x%jx\n",
4942 (uintmax_t) typeoff);
4945 dump_dwarf_die(re, die, 0);
4947 if (ret == DW_DLV_ERROR)
4948 warnx("dwarf_next_cu_header: %s", dwarf_errmsg(de));
4951 } while (dwarf_next_types_section(re->dbg, &de) == DW_DLV_OK);
4955 dump_dwarf_abbrev(struct readelf *re)
4958 Dwarf_Off aboff, atoff;
4959 Dwarf_Unsigned length, attr_count;
4960 Dwarf_Signed flag, form;
4961 Dwarf_Half tag, attr;
4963 const char *tag_str, *attr_str, *form_str;
4964 char unk_tag[32], unk_attr[32], unk_form[32];
4967 printf("\nContents of section .debug_abbrev:\n\n");
4969 while ((ret = dwarf_next_cu_header(re->dbg, NULL, NULL, &aboff,
4970 NULL, NULL, &de)) == DW_DLV_OK) {
4971 printf(" Number TAG\n");
4973 while ((ret = dwarf_get_abbrev(re->dbg, aboff, &ab, &length,
4974 &attr_count, &de)) == DW_DLV_OK) {
4976 dwarf_dealloc(re->dbg, ab, DW_DLA_ABBREV);
4981 if (dwarf_get_abbrev_tag(ab, &tag, &de) != DW_DLV_OK) {
4982 warnx("dwarf_get_abbrev_tag failed: %s",
4986 if (dwarf_get_TAG_name(tag, &tag_str) != DW_DLV_OK) {
4987 snprintf(unk_tag, sizeof(unk_tag),
4988 "[Unknown Tag: %#x]", tag);
4991 if (dwarf_get_abbrev_children_flag(ab, &flag, &de) !=
4993 warnx("dwarf_get_abbrev_children_flag failed:"
4994 " %s", dwarf_errmsg(de));
4997 printf(" %s %s\n", tag_str,
4998 flag ? "[has children]" : "[no children]");
4999 for (j = 0; (Dwarf_Unsigned) j < attr_count; j++) {
5000 if (dwarf_get_abbrev_entry(ab, (Dwarf_Signed) j,
5001 &attr, &form, &atoff, &de) != DW_DLV_OK) {
5002 warnx("dwarf_get_abbrev_entry failed:"
5003 " %s", dwarf_errmsg(de));
5006 if (dwarf_get_AT_name(attr, &attr_str) !=
5008 snprintf(unk_attr, sizeof(unk_attr),
5009 "[Unknown AT: %#x]", attr);
5010 attr_str = unk_attr;
5012 if (dwarf_get_FORM_name(form, &form_str) !=
5014 snprintf(unk_form, sizeof(unk_form),
5015 "[Unknown Form: %#x]",
5017 form_str = unk_form;
5019 printf(" %-18s %s\n", attr_str, form_str);
5022 dwarf_dealloc(re->dbg, ab, DW_DLA_ABBREV);
5024 if (ret != DW_DLV_OK)
5025 warnx("dwarf_get_abbrev: %s", dwarf_errmsg(de));
5027 if (ret == DW_DLV_ERROR)
5028 warnx("dwarf_next_cu_header: %s", dwarf_errmsg(de));
5032 dump_dwarf_pubnames(struct readelf *re)
5036 Dwarf_Unsigned offset, length, nt_cu_offset, nt_cu_length;
5038 Dwarf_Global *globs;
5039 Dwarf_Half nt_version;
5043 int i, dwarf_size, elferr;
5045 printf("\nContents of the .debug_pubnames section:\n");
5048 for (i = 0; (size_t) i < re->shnum; i++) {
5050 if (s->name != NULL && !strcmp(s->name, ".debug_pubnames"))
5053 if ((size_t) i >= re->shnum)
5057 if ((d = elf_getdata(s->scn, NULL)) == NULL) {
5058 elferr = elf_errno();
5060 warnx("elf_getdata failed: %s", elf_errmsg(-1));
5066 /* Read in .debug_pubnames section table header. */
5068 length = re->dw_read(d, &offset, 4);
5069 if (length == 0xffffffff) {
5071 length = re->dw_read(d, &offset, 8);
5075 if (length > d->d_size - offset) {
5076 warnx("invalid .dwarf_pubnames section");
5080 nt_version = re->dw_read(d, &offset, 2);
5081 nt_cu_offset = re->dw_read(d, &offset, dwarf_size);
5082 nt_cu_length = re->dw_read(d, &offset, dwarf_size);
5083 printf(" Length:\t\t\t\t%ju\n", (uintmax_t) length);
5084 printf(" Version:\t\t\t\t%u\n", nt_version);
5085 printf(" Offset into .debug_info section:\t%ju\n",
5086 (uintmax_t) nt_cu_offset);
5087 printf(" Size of area in .debug_info section:\t%ju\n",
5088 (uintmax_t) nt_cu_length);
5090 if (dwarf_get_globals(re->dbg, &globs, &cnt, &de) != DW_DLV_OK) {
5091 warnx("dwarf_get_globals failed: %s", dwarf_errmsg(de));
5095 printf("\n Offset Name\n");
5096 for (i = 0; i < cnt; i++) {
5097 if (dwarf_globname(globs[i], &glob_name, &de) != DW_DLV_OK) {
5098 warnx("dwarf_globname failed: %s", dwarf_errmsg(de));
5101 if (dwarf_global_die_offset(globs[i], &die_off, &de) !=
5103 warnx("dwarf_global_die_offset failed: %s",
5107 printf(" %-11ju %s\n", (uintmax_t) die_off, glob_name);
5112 dump_dwarf_aranges(struct readelf *re)
5115 Dwarf_Arange *aranges;
5117 Dwarf_Unsigned offset, length, as_cu_offset;
5120 Dwarf_Half as_version, as_addrsz, as_segsz;
5123 int i, dwarf_size, elferr;
5125 printf("\nContents of section .debug_aranges:\n");
5128 for (i = 0; (size_t) i < re->shnum; i++) {
5130 if (s->name != NULL && !strcmp(s->name, ".debug_aranges"))
5133 if ((size_t) i >= re->shnum)
5137 if ((d = elf_getdata(s->scn, NULL)) == NULL) {
5138 elferr = elf_errno();
5140 warnx("elf_getdata failed: %s", elf_errmsg(-1));
5146 /* Read in the .debug_aranges section table header. */
5148 length = re->dw_read(d, &offset, 4);
5149 if (length == 0xffffffff) {
5151 length = re->dw_read(d, &offset, 8);
5155 if (length > d->d_size - offset) {
5156 warnx("invalid .dwarf_aranges section");
5160 as_version = re->dw_read(d, &offset, 2);
5161 as_cu_offset = re->dw_read(d, &offset, dwarf_size);
5162 as_addrsz = re->dw_read(d, &offset, 1);
5163 as_segsz = re->dw_read(d, &offset, 1);
5165 printf(" Length:\t\t\t%ju\n", (uintmax_t) length);
5166 printf(" Version:\t\t\t%u\n", as_version);
5167 printf(" Offset into .debug_info:\t%ju\n", (uintmax_t) as_cu_offset);
5168 printf(" Pointer Size:\t\t\t%u\n", as_addrsz);
5169 printf(" Segment Size:\t\t\t%u\n", as_segsz);
5171 if (dwarf_get_aranges(re->dbg, &aranges, &cnt, &de) != DW_DLV_OK) {
5172 warnx("dwarf_get_aranges failed: %s", dwarf_errmsg(de));
5176 printf("\n Address Length\n");
5177 for (i = 0; i < cnt; i++) {
5178 if (dwarf_get_arange_info(aranges[i], &start, &length,
5179 &die_off, &de) != DW_DLV_OK) {
5180 warnx("dwarf_get_arange_info failed: %s",
5184 printf(" %08jx %ju\n", (uintmax_t) start,
5185 (uintmax_t) length);
5190 dump_dwarf_ranges_foreach(struct readelf *re, Dwarf_Die die, Dwarf_Addr base)
5192 Dwarf_Attribute *attr_list;
5193 Dwarf_Ranges *ranges;
5198 Dwarf_Signed attr_count, cnt;
5199 Dwarf_Unsigned off, bytecnt;
5202 if ((ret = dwarf_attrlist(die, &attr_list, &attr_count, &de)) !=
5204 if (ret == DW_DLV_ERROR)
5205 warnx("dwarf_attrlist failed: %s", dwarf_errmsg(de));
5209 for (i = 0; i < attr_count; i++) {
5210 if (dwarf_whatattr(attr_list[i], &attr, &de) != DW_DLV_OK) {
5211 warnx("dwarf_whatattr failed: %s", dwarf_errmsg(de));
5214 if (attr != DW_AT_ranges)
5216 if (dwarf_formudata(attr_list[i], &off, &de) != DW_DLV_OK) {
5217 warnx("dwarf_formudata failed: %s", dwarf_errmsg(de));
5220 if (dwarf_get_ranges(re->dbg, (Dwarf_Off) off, &ranges, &cnt,
5221 &bytecnt, &de) != DW_DLV_OK)
5224 for (j = 0; j < cnt; j++) {
5225 printf(" %08jx ", (uintmax_t) off);
5226 if (ranges[j].dwr_type == DW_RANGES_END) {
5227 printf("%s\n", "<End of list>");
5229 } else if (ranges[j].dwr_type ==
5230 DW_RANGES_ADDRESS_SELECTION) {
5231 base0 = ranges[j].dwr_addr2;
5234 if (re->ec == ELFCLASS32)
5235 printf("%08jx %08jx\n",
5236 (uintmax_t) (ranges[j].dwr_addr1 + base0),
5237 (uintmax_t) (ranges[j].dwr_addr2 + base0));
5239 printf("%016jx %016jx\n",
5240 (uintmax_t) (ranges[j].dwr_addr1 + base0),
5241 (uintmax_t) (ranges[j].dwr_addr2 + base0));
5246 /* Search children. */
5247 ret = dwarf_child(die, &ret_die, &de);
5248 if (ret == DW_DLV_ERROR)
5249 warnx("dwarf_child: %s", dwarf_errmsg(de));
5250 else if (ret == DW_DLV_OK)
5251 dump_dwarf_ranges_foreach(re, ret_die, base);
5253 /* Search sibling. */
5254 ret = dwarf_siblingof(re->dbg, die, &ret_die, &de);
5255 if (ret == DW_DLV_ERROR)
5256 warnx("dwarf_siblingof: %s", dwarf_errmsg(de));
5257 else if (ret == DW_DLV_OK)
5258 dump_dwarf_ranges_foreach(re, ret_die, base);
5262 dump_dwarf_ranges(struct readelf *re)
5264 Dwarf_Ranges *ranges;
5267 Dwarf_Unsigned bytecnt;
5270 Dwarf_Unsigned lowpc;
5273 if (dwarf_get_ranges(re->dbg, 0, &ranges, &cnt, &bytecnt, &de) !=
5277 printf("Contents of the .debug_ranges section:\n\n");
5278 if (re->ec == ELFCLASS32)
5279 printf(" %-8s %-8s %s\n", "Offset", "Begin", "End");
5281 printf(" %-8s %-16s %s\n", "Offset", "Begin", "End");
5283 while ((ret = dwarf_next_cu_header(re->dbg, NULL, NULL, NULL, NULL,
5284 NULL, &de)) == DW_DLV_OK) {
5286 if (dwarf_siblingof(re->dbg, die, &die, &de) != DW_DLV_OK)
5288 if (dwarf_tag(die, &tag, &de) != DW_DLV_OK) {
5289 warnx("dwarf_tag failed: %s", dwarf_errmsg(de));
5292 /* XXX: What about DW_TAG_partial_unit? */
5294 if (tag == DW_TAG_compile_unit) {
5295 if (dwarf_attrval_unsigned(die, DW_AT_low_pc, &lowpc,
5300 dump_dwarf_ranges_foreach(re, die, (Dwarf_Addr) lowpc);
5306 dump_dwarf_macinfo(struct readelf *re)
5308 Dwarf_Unsigned offset;
5310 Dwarf_Macro_Details *md;
5316 #define _MAX_MACINFO_ENTRY 65535
5318 printf("\nContents of section .debug_macinfo:\n\n");
5321 while (dwarf_get_macro_details(re->dbg, offset, _MAX_MACINFO_ENTRY,
5322 &cnt, &md, &de) == DW_DLV_OK) {
5323 for (i = 0; i < cnt; i++) {
5324 offset = md[i].dmd_offset + 1;
5325 if (md[i].dmd_type == 0)
5327 if (dwarf_get_MACINFO_name(md[i].dmd_type, &mi_str) !=
5329 snprintf(unk_mi, sizeof(unk_mi),
5330 "[Unknown MACINFO: %#x]", md[i].dmd_type);
5333 printf(" %s", mi_str);
5334 switch (md[i].dmd_type) {
5335 case DW_MACINFO_define:
5336 case DW_MACINFO_undef:
5337 printf(" - lineno : %jd macro : %s\n",
5338 (intmax_t) md[i].dmd_lineno,
5341 case DW_MACINFO_start_file:
5342 printf(" - lineno : %jd filenum : %jd\n",
5343 (intmax_t) md[i].dmd_lineno,
5344 (intmax_t) md[i].dmd_fileindex);
5353 #undef _MAX_MACINFO_ENTRY
5357 dump_dwarf_frame_inst(struct readelf *re, Dwarf_Cie cie, uint8_t *insts,
5358 Dwarf_Unsigned len, Dwarf_Unsigned caf, Dwarf_Signed daf, Dwarf_Addr pc,
5361 Dwarf_Frame_Op *oplist;
5362 Dwarf_Signed opcnt, delta;
5369 if (dwarf_expand_frame_instructions(cie, insts, len, &oplist,
5370 &opcnt, &de) != DW_DLV_OK) {
5371 warnx("dwarf_expand_frame_instructions failed: %s",
5376 for (i = 0; i < opcnt; i++) {
5377 if (oplist[i].fp_base_op != 0)
5378 op = oplist[i].fp_base_op << 6;
5380 op = oplist[i].fp_extended_op;
5381 if (dwarf_get_CFA_name(op, &op_str) != DW_DLV_OK) {
5382 snprintf(unk_op, sizeof(unk_op), "[Unknown CFA: %#x]",
5386 printf(" %s", op_str);
5388 case DW_CFA_advance_loc:
5389 delta = oplist[i].fp_offset * caf;
5391 printf(": %ju to %08jx", (uintmax_t) delta,
5395 case DW_CFA_offset_extended:
5396 case DW_CFA_offset_extended_sf:
5397 delta = oplist[i].fp_offset * daf;
5398 printf(": r%u (%s) at cfa%+jd", oplist[i].fp_register,
5399 dwarf_regname(re, oplist[i].fp_register),
5402 case DW_CFA_restore:
5403 printf(": r%u (%s)", oplist[i].fp_register,
5404 dwarf_regname(re, oplist[i].fp_register));
5406 case DW_CFA_set_loc:
5407 pc = oplist[i].fp_offset;
5408 printf(": to %08jx", (uintmax_t) pc);
5410 case DW_CFA_advance_loc1:
5411 case DW_CFA_advance_loc2:
5412 case DW_CFA_advance_loc4:
5413 pc += oplist[i].fp_offset;
5414 printf(": %jd to %08jx", (intmax_t) oplist[i].fp_offset,
5417 case DW_CFA_def_cfa:
5418 printf(": r%u (%s) ofs %ju", oplist[i].fp_register,
5419 dwarf_regname(re, oplist[i].fp_register),
5420 (uintmax_t) oplist[i].fp_offset);
5422 case DW_CFA_def_cfa_sf:
5423 printf(": r%u (%s) ofs %jd", oplist[i].fp_register,
5424 dwarf_regname(re, oplist[i].fp_register),
5425 (intmax_t) (oplist[i].fp_offset * daf));
5427 case DW_CFA_def_cfa_register:
5428 printf(": r%u (%s)", oplist[i].fp_register,
5429 dwarf_regname(re, oplist[i].fp_register));
5431 case DW_CFA_def_cfa_offset:
5432 printf(": %ju", (uintmax_t) oplist[i].fp_offset);
5434 case DW_CFA_def_cfa_offset_sf:
5435 printf(": %jd", (intmax_t) (oplist[i].fp_offset * daf));
5443 dwarf_dealloc(dbg, oplist, DW_DLA_FRAME_BLOCK);
5447 get_regoff_str(struct readelf *re, Dwarf_Half reg, Dwarf_Addr off)
5451 if (reg == DW_FRAME_UNDEFINED_VAL || reg == DW_FRAME_REG_INITIAL_VALUE)
5452 snprintf(rs, sizeof(rs), "%c", 'u');
5453 else if (reg == DW_FRAME_CFA_COL)
5454 snprintf(rs, sizeof(rs), "c%+jd", (intmax_t) off);
5456 snprintf(rs, sizeof(rs), "%s%+jd", dwarf_regname(re, reg),
5463 dump_dwarf_frame_regtable(struct readelf *re, Dwarf_Fde fde, Dwarf_Addr pc,
5464 Dwarf_Unsigned func_len, Dwarf_Half cie_ra)
5467 Dwarf_Addr row_pc, end_pc, pre_pc, cur_pc;
5472 #define BIT_SET(v, n) (v[(n)>>3] |= 1U << ((n) & 7))
5473 #define BIT_CLR(v, n) (v[(n)>>3] &= ~(1U << ((n) & 7)))
5474 #define BIT_ISSET(v, n) (v[(n)>>3] & (1U << ((n) & 7)))
5475 #define RT(x) rt.rules[(x)]
5477 vec = calloc((DW_REG_TABLE_SIZE + 7) / 8, 1);
5479 err(EXIT_FAILURE, "calloc failed");
5481 pre_pc = ~((Dwarf_Addr) 0);
5483 end_pc = pc + func_len;
5484 for (; cur_pc < end_pc; cur_pc++) {
5485 if (dwarf_get_fde_info_for_all_regs(fde, cur_pc, &rt, &row_pc,
5486 &de) != DW_DLV_OK) {
5487 warnx("dwarf_get_fde_info_for_all_regs failed: %s\n",
5491 if (row_pc == pre_pc)
5494 for (i = 1; i < DW_REG_TABLE_SIZE; i++) {
5495 if (rt.rules[i].dw_regnum != DW_FRAME_REG_INITIAL_VALUE)
5500 printf(" LOC CFA ");
5501 for (i = 1; i < DW_REG_TABLE_SIZE; i++) {
5502 if (BIT_ISSET(vec, i)) {
5503 if ((Dwarf_Half) i == cie_ra)
5507 dwarf_regname(re, (unsigned int) i));
5512 pre_pc = ~((Dwarf_Addr) 0);
5514 end_pc = pc + func_len;
5515 for (; cur_pc < end_pc; cur_pc++) {
5516 if (dwarf_get_fde_info_for_all_regs(fde, cur_pc, &rt, &row_pc,
5517 &de) != DW_DLV_OK) {
5518 warnx("dwarf_get_fde_info_for_all_regs failed: %s\n",
5522 if (row_pc == pre_pc)
5525 printf("%08jx ", (uintmax_t) row_pc);
5526 printf("%-8s ", get_regoff_str(re, RT(0).dw_regnum,
5528 for (i = 1; i < DW_REG_TABLE_SIZE; i++) {
5529 if (BIT_ISSET(vec, i)) {
5530 printf("%-5s", get_regoff_str(re,
5531 RT(i).dw_regnum, RT(i).dw_offset));
5548 dump_dwarf_frame_section(struct readelf *re, struct section *s, int alt)
5550 Dwarf_Cie *cie_list, cie, pre_cie;
5551 Dwarf_Fde *fde_list, fde;
5552 Dwarf_Off cie_offset, fde_offset;
5553 Dwarf_Unsigned cie_length, fde_instlen;
5554 Dwarf_Unsigned cie_caf, cie_daf, cie_instlen, func_len, fde_length;
5555 Dwarf_Signed cie_count, fde_count, cie_index;
5558 Dwarf_Small cie_version;
5559 Dwarf_Ptr fde_addr, fde_inst, cie_inst;
5564 printf("\nThe section %s contains:\n\n", s->name);
5566 if (!strcmp(s->name, ".debug_frame")) {
5568 if (dwarf_get_fde_list(re->dbg, &cie_list, &cie_count,
5569 &fde_list, &fde_count, &de) != DW_DLV_OK) {
5570 warnx("dwarf_get_fde_list failed: %s",
5574 } else if (!strcmp(s->name, ".eh_frame")) {
5576 if (dwarf_get_fde_list_eh(re->dbg, &cie_list, &cie_count,
5577 &fde_list, &fde_count, &de) != DW_DLV_OK) {
5578 warnx("dwarf_get_fde_list_eh failed: %s",
5586 for (i = 0; i < fde_count; i++) {
5587 if (dwarf_get_fde_n(fde_list, i, &fde, &de) != DW_DLV_OK) {
5588 warnx("dwarf_get_fde_n failed: %s", dwarf_errmsg(de));
5591 if (dwarf_get_cie_of_fde(fde, &cie, &de) != DW_DLV_OK) {
5592 warnx("dwarf_get_fde_n failed: %s", dwarf_errmsg(de));
5595 if (dwarf_get_fde_range(fde, &low_pc, &func_len, &fde_addr,
5596 &fde_length, &cie_offset, &cie_index, &fde_offset,
5597 &de) != DW_DLV_OK) {
5598 warnx("dwarf_get_fde_range failed: %s",
5602 if (dwarf_get_fde_instr_bytes(fde, &fde_inst, &fde_instlen,
5603 &de) != DW_DLV_OK) {
5604 warnx("dwarf_get_fde_instr_bytes failed: %s",
5608 if (pre_cie == NULL || cie != pre_cie) {
5610 if (dwarf_get_cie_info(cie, &cie_length, &cie_version,
5611 &cie_aug, &cie_caf, &cie_daf, &cie_ra,
5612 &cie_inst, &cie_instlen, &de) != DW_DLV_OK) {
5613 warnx("dwarf_get_cie_info failed: %s",
5617 printf("%08jx %08jx %8.8jx CIE",
5618 (uintmax_t) cie_offset,
5619 (uintmax_t) cie_length,
5620 (uintmax_t) (eh_frame ? 0 : ~0U));
5623 printf(" Version:\t\t\t%u\n", cie_version);
5624 printf(" Augmentation:\t\t\t\"");
5625 while ((c = *cie_aug++) != '\0')
5628 printf(" Code alignment factor:\t%ju\n",
5629 (uintmax_t) cie_caf);
5630 printf(" Data alignment factor:\t%jd\n",
5631 (intmax_t) cie_daf);
5632 printf(" Return address column:\t%ju\n",
5633 (uintmax_t) cie_ra);
5635 dump_dwarf_frame_inst(re, cie, cie_inst,
5636 cie_instlen, cie_caf, cie_daf, 0,
5641 while ((c = *cie_aug++) != '\0')
5644 printf(" cf=%ju df=%jd ra=%ju\n",
5645 (uintmax_t) cie_caf,
5646 (uintmax_t) cie_daf,
5647 (uintmax_t) cie_ra);
5648 dump_dwarf_frame_regtable(re, fde, low_pc, 1,
5653 printf("%08jx %08jx %08jx FDE cie=%08jx pc=%08jx..%08jx\n",
5654 (uintmax_t) fde_offset, (uintmax_t) fde_length,
5655 (uintmax_t) cie_offset,
5656 (uintmax_t) (eh_frame ? fde_offset + 4 - cie_offset :
5658 (uintmax_t) low_pc, (uintmax_t) (low_pc + func_len));
5660 dump_dwarf_frame_inst(re, cie, fde_inst, fde_instlen,
5661 cie_caf, cie_daf, low_pc, re->dbg);
5663 dump_dwarf_frame_regtable(re, fde, low_pc, func_len,
5670 dump_dwarf_frame(struct readelf *re, int alt)
5675 (void) dwarf_set_frame_cfa_value(re->dbg, DW_FRAME_CFA_COL);
5677 for (i = 0; (size_t) i < re->shnum; i++) {
5679 if (s->name != NULL && (!strcmp(s->name, ".debug_frame") ||
5680 !strcmp(s->name, ".eh_frame")))
5681 dump_dwarf_frame_section(re, s, alt);
5686 dump_dwarf_str(struct readelf *re)
5691 int elferr, end, i, j;
5693 printf("\nContents of section .debug_str:\n");
5696 for (i = 0; (size_t) i < re->shnum; i++) {
5698 if (s->name != NULL && !strcmp(s->name, ".debug_str"))
5701 if ((size_t) i >= re->shnum)
5705 if ((d = elf_getdata(s->scn, NULL)) == NULL) {
5706 elferr = elf_errno();
5708 warnx("elf_getdata failed: %s", elf_errmsg(-1));
5714 for (i = 0, p = d->d_buf; (size_t) i < d->d_size; i += 16) {
5715 printf(" 0x%08x", (unsigned int) i);
5716 if ((size_t) i + 16 > d->d_size)
5720 for (j = i; j < i + 16; j++) {
5721 if ((j - i) % 4 == 0)
5727 printf("%02x", (uint8_t) p[j]);
5730 for (j = i; j < end; j++) {
5743 Dwarf_Attribute la_at;
5744 Dwarf_Unsigned la_off;
5745 Dwarf_Unsigned la_lowpc;
5746 Dwarf_Half la_cu_psize;
5747 Dwarf_Half la_cu_osize;
5748 Dwarf_Half la_cu_ver;
5749 TAILQ_ENTRY(loc_at) la_next;
5752 static TAILQ_HEAD(, loc_at) lalist = TAILQ_HEAD_INITIALIZER(lalist);
5755 search_loclist_at(struct readelf *re, Dwarf_Die die, Dwarf_Unsigned lowpc)
5757 Dwarf_Attribute *attr_list;
5761 Dwarf_Signed attr_count;
5762 Dwarf_Half attr, form;
5765 struct loc_at *la, *nla;
5768 is_info = dwarf_get_die_infotypes_flag(die);
5770 if ((ret = dwarf_attrlist(die, &attr_list, &attr_count, &de)) !=
5772 if (ret == DW_DLV_ERROR)
5773 warnx("dwarf_attrlist failed: %s", dwarf_errmsg(de));
5776 for (i = 0; i < attr_count; i++) {
5777 if (dwarf_whatattr(attr_list[i], &attr, &de) != DW_DLV_OK) {
5778 warnx("dwarf_whatattr failed: %s", dwarf_errmsg(de));
5781 if (attr != DW_AT_location &&
5782 attr != DW_AT_string_length &&
5783 attr != DW_AT_return_addr &&
5784 attr != DW_AT_data_member_location &&
5785 attr != DW_AT_frame_base &&
5786 attr != DW_AT_segment &&
5787 attr != DW_AT_static_link &&
5788 attr != DW_AT_use_location &&
5789 attr != DW_AT_vtable_elem_location)
5791 if (dwarf_whatform(attr_list[i], &form, &de) != DW_DLV_OK) {
5792 warnx("dwarf_whatform failed: %s", dwarf_errmsg(de));
5795 if (form == DW_FORM_data4 || form == DW_FORM_data8) {
5796 if (dwarf_formudata(attr_list[i], &off, &de) !=
5798 warnx("dwarf_formudata failed: %s",
5802 } else if (form == DW_FORM_sec_offset) {
5803 if (dwarf_global_formref(attr_list[i], &ref, &de) !=
5805 warnx("dwarf_global_formref failed: %s",
5813 TAILQ_FOREACH(la, &lalist, la_next) {
5814 if (off == la->la_off)
5816 if (off < la->la_off) {
5817 if ((nla = malloc(sizeof(*nla))) == NULL)
5818 err(EXIT_FAILURE, "malloc failed");
5819 nla->la_at = attr_list[i];
5821 nla->la_lowpc = lowpc;
5822 nla->la_cu_psize = re->cu_psize;
5823 nla->la_cu_osize = re->cu_osize;
5824 nla->la_cu_ver = re->cu_ver;
5825 TAILQ_INSERT_BEFORE(la, nla, la_next);
5830 if ((nla = malloc(sizeof(*nla))) == NULL)
5831 err(EXIT_FAILURE, "malloc failed");
5832 nla->la_at = attr_list[i];
5834 nla->la_lowpc = lowpc;
5835 nla->la_cu_psize = re->cu_psize;
5836 nla->la_cu_osize = re->cu_osize;
5837 nla->la_cu_ver = re->cu_ver;
5838 TAILQ_INSERT_TAIL(&lalist, nla, la_next);
5843 /* Search children. */
5844 ret = dwarf_child(die, &ret_die, &de);
5845 if (ret == DW_DLV_ERROR)
5846 warnx("dwarf_child: %s", dwarf_errmsg(de));
5847 else if (ret == DW_DLV_OK)
5848 search_loclist_at(re, ret_die, lowpc);
5850 /* Search sibling. */
5851 ret = dwarf_siblingof_b(re->dbg, die, &ret_die, is_info, &de);
5852 if (ret == DW_DLV_ERROR)
5853 warnx("dwarf_siblingof: %s", dwarf_errmsg(de));
5854 else if (ret == DW_DLV_OK)
5855 search_loclist_at(re, ret_die, lowpc);
5859 dump_dwarf_loc(struct readelf *re, Dwarf_Loc *lr)
5866 if (dwarf_get_OP_name(lr->lr_atom, &op_str) !=
5868 snprintf(unk_op, sizeof(unk_op),
5869 "[Unknown OP: %#x]", lr->lr_atom);
5873 printf("%s", op_str);
5875 switch (lr->lr_atom) {
5908 printf(" (%s)", dwarf_regname(re, lr->lr_atom - DW_OP_reg0));
5971 case DW_OP_push_object_address:
5972 case DW_OP_form_tls_address:
5973 case DW_OP_call_frame_cfa:
5974 case DW_OP_stack_value:
5975 case DW_OP_GNU_push_tls_address:
5976 case DW_OP_GNU_uninit:
5981 case DW_OP_deref_size:
5982 case DW_OP_xderef_size:
5989 case DW_OP_plus_uconst:
5992 printf(": %ju", (uintmax_t)
6001 printf(": %jd", (intmax_t)
6037 printf(" (%s): %jd",
6038 dwarf_regname(re, lr->lr_atom - DW_OP_breg0),
6039 (intmax_t) lr->lr_number);
6043 printf(": %jd", (intmax_t)
6048 printf(": %ju (%s) %jd",
6049 (uintmax_t) lr->lr_number,
6050 dwarf_regname(re, (unsigned int) lr->lr_number),
6051 (intmax_t) lr->lr_number2);
6055 case DW_OP_GNU_encoded_addr:
6056 printf(": %#jx", (uintmax_t)
6060 case DW_OP_GNU_implicit_pointer:
6061 printf(": <0x%jx> %jd", (uintmax_t) lr->lr_number,
6062 (intmax_t) lr->lr_number2);
6065 case DW_OP_implicit_value:
6066 printf(": %ju byte block:", (uintmax_t) lr->lr_number);
6067 b = (uint8_t *)(uintptr_t) lr->lr_number2;
6068 for (i = 0; (Dwarf_Unsigned) i < lr->lr_number; i++)
6069 printf(" %x", b[i]);
6072 case DW_OP_GNU_entry_value:
6074 dump_dwarf_block(re, (uint8_t *)(uintptr_t) lr->lr_number2,
6079 case DW_OP_GNU_const_type:
6080 printf(": <0x%jx> ", (uintmax_t) lr->lr_number);
6081 b = (uint8_t *)(uintptr_t) lr->lr_number2;
6083 for (i = 1; (uint8_t) i < n; i++)
6084 printf(" %x", b[i]);
6087 case DW_OP_GNU_regval_type:
6088 printf(": %ju (%s) <0x%jx>", (uintmax_t) lr->lr_number,
6089 dwarf_regname(re, (unsigned int) lr->lr_number),
6090 (uintmax_t) lr->lr_number2);
6093 case DW_OP_GNU_convert:
6094 case DW_OP_GNU_deref_type:
6095 case DW_OP_GNU_parameter_ref:
6096 case DW_OP_GNU_reinterpret:
6097 printf(": <0x%jx>", (uintmax_t) lr->lr_number);
6106 dump_dwarf_block(struct readelf *re, uint8_t *b, Dwarf_Unsigned len)
6108 Dwarf_Locdesc *llbuf;
6113 if (dwarf_loclist_from_expr_b(re->dbg, b, len, re->cu_psize,
6114 re->cu_osize, re->cu_ver, &llbuf, &lcnt, &de) != DW_DLV_OK) {
6115 warnx("dwarf_loclist_form_expr_b: %s", dwarf_errmsg(de));
6119 for (i = 0; (Dwarf_Half) i < llbuf->ld_cents; i++) {
6120 dump_dwarf_loc(re, &llbuf->ld_s[i]);
6121 if (i < llbuf->ld_cents - 1)
6125 dwarf_dealloc(re->dbg, llbuf->ld_s, DW_DLA_LOC_BLOCK);
6126 dwarf_dealloc(re->dbg, llbuf, DW_DLA_LOCDESC);
6130 dump_dwarf_loclist(struct readelf *re)
6133 Dwarf_Locdesc **llbuf;
6134 Dwarf_Unsigned lowpc;
6136 Dwarf_Half tag, version, pointer_size, off_size;
6141 printf("\nContents of section .debug_loc:\n");
6143 /* Search .debug_info section. */
6144 while ((ret = dwarf_next_cu_header_b(re->dbg, NULL, &version, NULL,
6145 &pointer_size, &off_size, NULL, NULL, &de)) == DW_DLV_OK) {
6146 set_cu_context(re, pointer_size, off_size, version);
6148 if (dwarf_siblingof(re->dbg, die, &die, &de) != DW_DLV_OK)
6150 if (dwarf_tag(die, &tag, &de) != DW_DLV_OK) {
6151 warnx("dwarf_tag failed: %s", dwarf_errmsg(de));
6154 /* XXX: What about DW_TAG_partial_unit? */
6156 if (tag == DW_TAG_compile_unit) {
6157 if (dwarf_attrval_unsigned(die, DW_AT_low_pc,
6158 &lowpc, &de) != DW_DLV_OK)
6162 /* Search attributes for reference to .debug_loc section. */
6163 search_loclist_at(re, die, lowpc);
6165 if (ret == DW_DLV_ERROR)
6166 warnx("dwarf_next_cu_header: %s", dwarf_errmsg(de));
6168 /* Search .debug_types section. */
6170 while ((ret = dwarf_next_cu_header_c(re->dbg, 0, NULL,
6171 &version, NULL, &pointer_size, &off_size, NULL, NULL,
6172 NULL, NULL, &de)) == DW_DLV_OK) {
6173 set_cu_context(re, pointer_size, off_size, version);
6175 if (dwarf_siblingof(re->dbg, die, &die, &de) !=
6178 if (dwarf_tag(die, &tag, &de) != DW_DLV_OK) {
6179 warnx("dwarf_tag failed: %s",
6185 if (tag == DW_TAG_type_unit) {
6186 if (dwarf_attrval_unsigned(die, DW_AT_low_pc,
6187 &lowpc, &de) != DW_DLV_OK)
6192 * Search attributes for reference to .debug_loc
6195 search_loclist_at(re, die, lowpc);
6197 if (ret == DW_DLV_ERROR)
6198 warnx("dwarf_next_cu_header: %s", dwarf_errmsg(de));
6199 } while (dwarf_next_types_section(re->dbg, &de) == DW_DLV_OK);
6201 if (TAILQ_EMPTY(&lalist))
6204 printf(" Offset Begin End Expression\n");
6206 TAILQ_FOREACH(la, &lalist, la_next) {
6207 if (dwarf_loclist_n(la->la_at, &llbuf, &lcnt, &de) !=
6209 warnx("dwarf_loclist_n failed: %s", dwarf_errmsg(de));
6212 set_cu_context(re, la->la_cu_psize, la->la_cu_osize,
6214 for (i = 0; i < lcnt; i++) {
6215 printf(" %8.8jx ", (uintmax_t) la->la_off);
6216 if (llbuf[i]->ld_lopc == 0 && llbuf[i]->ld_hipc == 0) {
6217 printf("<End of list>\n");
6221 /* TODO: handle base selection entry. */
6223 printf("%8.8jx %8.8jx ",
6224 (uintmax_t) (la->la_lowpc + llbuf[i]->ld_lopc),
6225 (uintmax_t) (la->la_lowpc + llbuf[i]->ld_hipc));
6228 for (j = 0; (Dwarf_Half) j < llbuf[i]->ld_cents; j++) {
6229 dump_dwarf_loc(re, &llbuf[i]->ld_s[j]);
6230 if (j < llbuf[i]->ld_cents - 1)
6235 if (llbuf[i]->ld_lopc == llbuf[i]->ld_hipc)
6236 printf(" (start == end)");
6239 for (i = 0; i < lcnt; i++) {
6240 dwarf_dealloc(re->dbg, llbuf[i]->ld_s,
6242 dwarf_dealloc(re->dbg, llbuf[i], DW_DLA_LOCDESC);
6244 dwarf_dealloc(re->dbg, llbuf, DW_DLA_LIST);
6249 * Retrieve a string using string table section index and the string offset.
6252 get_string(struct readelf *re, int strtab, size_t off)
6256 if ((name = elf_strptr(re->elf, strtab, off)) == NULL)
6263 * Retrieve the name of a symbol using the section index of the symbol
6264 * table and the index of the symbol within that table.
6267 get_symbol_name(struct readelf *re, int symtab, int i)
6275 s = &re->sl[symtab];
6276 if (s->type != SHT_SYMTAB && s->type != SHT_DYNSYM)
6279 if ((data = elf_getdata(s->scn, NULL)) == NULL) {
6280 elferr = elf_errno();
6282 warnx("elf_getdata failed: %s", elf_errmsg(elferr));
6285 if (gelf_getsym(data, i, &sym) != &sym)
6287 /* Return section name for STT_SECTION symbol. */
6288 if (GELF_ST_TYPE(sym.st_info) == STT_SECTION) {
6289 if (sym.st_shndx < re->shnum &&
6290 re->sl[sym.st_shndx].name != NULL)
6291 return (re->sl[sym.st_shndx].name);
6294 if (s->link >= re->shnum ||
6295 (name = elf_strptr(re->elf, s->link, sym.st_name)) == NULL)
6302 get_symbol_value(struct readelf *re, int symtab, int i)
6309 s = &re->sl[symtab];
6310 if (s->type != SHT_SYMTAB && s->type != SHT_DYNSYM)
6313 if ((data = elf_getdata(s->scn, NULL)) == NULL) {
6314 elferr = elf_errno();
6316 warnx("elf_getdata failed: %s", elf_errmsg(elferr));
6319 if (gelf_getsym(data, i, &sym) != &sym)
6322 return (sym.st_value);
6326 hex_dump(struct readelf *re)
6335 for (i = 1; (size_t) i < re->shnum; i++) {
6337 if (find_dumpop(re, (size_t) i, s->name, HEX_DUMP, -1) == NULL)
6340 if ((d = elf_getdata(s->scn, NULL)) == NULL &&
6341 (d = elf_rawdata(s->scn, NULL)) == NULL) {
6342 elferr = elf_errno();
6344 warnx("elf_getdata failed: %s",
6345 elf_errmsg(elferr));
6349 if (d->d_size <= 0 || d->d_buf == NULL) {
6350 printf("\nSection '%s' has no data to dump.\n",
6357 printf("\nHex dump of section '%s':\n", s->name);
6359 printf(" 0x%8.8jx ", (uintmax_t)addr);
6360 nbytes = sz > 16? 16 : sz;
6361 for (j = 0; j < 16; j++) {
6362 if ((size_t)j < nbytes)
6363 printf("%2.2x", buf[j]);
6369 for (j = 0; (size_t)j < nbytes; j++) {
6370 if (isprint(buf[j]))
6371 printf("%c", buf[j]);
6384 str_dump(struct readelf *re)
6388 unsigned char *start, *end, *buf_end;
6390 int i, j, elferr, found;
6392 for (i = 1; (size_t) i < re->shnum; i++) {
6394 if (find_dumpop(re, (size_t) i, s->name, STR_DUMP, -1) == NULL)
6397 if ((d = elf_getdata(s->scn, NULL)) == NULL &&
6398 (d = elf_rawdata(s->scn, NULL)) == NULL) {
6399 elferr = elf_errno();
6401 warnx("elf_getdata failed: %s",
6402 elf_errmsg(elferr));
6406 if (d->d_size <= 0 || d->d_buf == NULL) {
6407 printf("\nSection '%s' has no data to dump.\n",
6411 buf_end = (unsigned char *) d->d_buf + d->d_size;
6412 start = (unsigned char *) d->d_buf;
6414 printf("\nString dump of section '%s':\n", s->name);
6416 while (start < buf_end && !isprint(*start))
6418 if (start >= buf_end)
6421 while (end < buf_end && isprint(*end))
6424 (long) (start - (unsigned char *) d->d_buf));
6426 for (j = 0; (unsigned int) j < len; j++)
6435 printf(" No strings found in this section.");
6441 load_sections(struct readelf *re)
6447 size_t shstrndx, ndx;
6450 /* Allocate storage for internal section list. */
6451 if (!elf_getshnum(re->elf, &re->shnum)) {
6452 warnx("elf_getshnum failed: %s", elf_errmsg(-1));
6457 if ((re->sl = calloc(re->shnum, sizeof(*re->sl))) == NULL)
6458 err(EXIT_FAILURE, "calloc failed");
6460 /* Get the index of .shstrtab section. */
6461 if (!elf_getshstrndx(re->elf, &shstrndx)) {
6462 warnx("elf_getshstrndx failed: %s", elf_errmsg(-1));
6466 if ((scn = elf_getscn(re->elf, 0)) == NULL)
6471 if (gelf_getshdr(scn, &sh) == NULL) {
6472 warnx("gelf_getshdr failed: %s", elf_errmsg(-1));
6476 if ((name = elf_strptr(re->elf, shstrndx, sh.sh_name)) == NULL) {
6480 if ((ndx = elf_ndxscn(scn)) == SHN_UNDEF) {
6481 if ((elferr = elf_errno()) != 0)
6482 warnx("elf_ndxscn failed: %s",
6483 elf_errmsg(elferr));
6486 if (ndx >= re->shnum) {
6487 warnx("section index of '%s' out of range", name);
6490 if (sh.sh_link >= re->shnum)
6491 warnx("section link %llu of '%s' out of range",
6492 (unsigned long long)sh.sh_link, name);
6496 s->off = sh.sh_offset;
6498 s->entsize = sh.sh_entsize;
6499 s->align = sh.sh_addralign;
6500 s->type = sh.sh_type;
6501 s->flags = sh.sh_flags;
6502 s->addr = sh.sh_addr;
6503 s->link = sh.sh_link;
6504 s->info = sh.sh_info;
6505 } while ((scn = elf_nextscn(re->elf, scn)) != NULL);
6506 elferr = elf_errno();
6508 warnx("elf_nextscn failed: %s", elf_errmsg(elferr));
6512 unload_sections(struct readelf *re)
6515 if (re->sl != NULL) {
6525 if (re->ver != NULL) {
6533 dump_elf(struct readelf *re)
6536 /* Fetch ELF header. No need to continue if it fails. */
6537 if (gelf_getehdr(re->elf, &re->ehdr) == NULL) {
6538 warnx("gelf_getehdr failed: %s", elf_errmsg(-1));
6541 if ((re->ec = gelf_getclass(re->elf)) == ELFCLASSNONE) {
6542 warnx("gelf_getclass failed: %s", elf_errmsg(-1));
6545 if (re->ehdr.e_ident[EI_DATA] == ELFDATA2MSB) {
6546 re->dw_read = _read_msb;
6547 re->dw_decode = _decode_msb;
6549 re->dw_read = _read_lsb;
6550 re->dw_decode = _decode_lsb;
6553 if (re->options & ~RE_H)
6555 if ((re->options & RE_VV) || (re->options & RE_S))
6557 if (re->options & RE_H)
6559 if (re->options & RE_L)
6561 if (re->options & RE_SS)
6563 if (re->options & RE_G)
6564 dump_section_groups(re);
6565 if (re->options & RE_D)
6567 if (re->options & RE_R)
6569 if (re->options & RE_S)
6571 if (re->options & RE_N)
6573 if (re->options & RE_II)
6575 if (re->options & RE_X)
6577 if (re->options & RE_P)
6579 if (re->options & RE_VV)
6581 if (re->options & RE_AA)
6582 dump_arch_specific_info(re);
6583 if (re->options & RE_W)
6585 if (re->options & ~RE_H)
6586 unload_sections(re);
6590 dump_dwarf(struct readelf *re)
6595 if (dwarf_elf_init(re->elf, DW_DLC_READ, NULL, NULL, &re->dbg, &de)) {
6596 if ((error = dwarf_errno(de)) != DW_DLE_DEBUG_INFO_NULL)
6597 errx(EXIT_FAILURE, "dwarf_elf_init failed: %s",
6603 dump_dwarf_abbrev(re);
6605 dump_dwarf_line(re);
6606 if (re->dop & DW_LL)
6607 dump_dwarf_line_decoded(re);
6608 if (re->dop & DW_I) {
6609 dump_dwarf_info(re, 0);
6610 dump_dwarf_info(re, 1);
6613 dump_dwarf_pubnames(re);
6615 dump_dwarf_aranges(re);
6616 if (re->dop & DW_RR)
6617 dump_dwarf_ranges(re);
6619 dump_dwarf_macinfo(re);
6621 dump_dwarf_frame(re, 0);
6622 else if (re->dop & DW_FF)
6623 dump_dwarf_frame(re, 1);
6627 dump_dwarf_loclist(re);
6629 dwarf_finish(re->dbg, &de);
6633 dump_ar(struct readelf *re, int fd)
6645 if (re->options & RE_C) {
6646 if ((arsym = elf_getarsym(re->ar, &sz)) == NULL) {
6647 warnx("elf_getarsym() failed: %s", elf_errmsg(-1));
6648 goto process_members;
6650 printf("Index of archive %s: (%ju entries)\n", re->filename,
6651 (uintmax_t) sz - 1);
6653 for (i = 0; (size_t) i < sz; i++) {
6654 if (arsym[i].as_name == NULL)
6656 if (arsym[i].as_off != off) {
6657 off = arsym[i].as_off;
6658 if (elf_rand(re->ar, off) != off) {
6659 warnx("elf_rand() failed: %s",
6663 if ((e = elf_begin(fd, ELF_C_READ, re->ar)) ==
6665 warnx("elf_begin() failed: %s",
6669 if ((arhdr = elf_getarhdr(e)) == NULL) {
6670 warnx("elf_getarhdr() failed: %s",
6675 printf("Binary %s(%s) contains:\n",
6676 re->filename, arhdr->ar_name);
6678 printf("\t%s\n", arsym[i].as_name);
6680 if (elf_rand(re->ar, SARMAG) != SARMAG) {
6681 warnx("elf_rand() failed: %s", elf_errmsg(-1));
6688 if ((re->options & ~RE_C) == 0)
6692 while ((re->elf = elf_begin(fd, cmd, re->ar)) != NULL) {
6693 if ((arhdr = elf_getarhdr(re->elf)) == NULL) {
6694 warnx("elf_getarhdr() failed: %s", elf_errmsg(-1));
6697 if (strcmp(arhdr->ar_name, "/") == 0 ||
6698 strcmp(arhdr->ar_name, "//") == 0 ||
6699 strcmp(arhdr->ar_name, "__.SYMDEF") == 0)
6701 printf("\nFile: %s(%s)\n", re->filename, arhdr->ar_name);
6705 cmd = elf_next(re->elf);
6712 dump_object(struct readelf *re)
6716 if ((fd = open(re->filename, O_RDONLY)) == -1) {
6717 warn("open %s failed", re->filename);
6721 if ((re->flags & DISPLAY_FILENAME) != 0)
6722 printf("\nFile: %s\n", re->filename);
6724 if ((re->elf = elf_begin(fd, ELF_C_READ, NULL)) == NULL) {
6725 warnx("elf_begin() failed: %s", elf_errmsg(-1));
6729 switch (elf_kind(re->elf)) {
6731 warnx("Not an ELF file.");
6740 warnx("Internal: libelf returned unknown elf kind.");
6748 add_dumpop(struct readelf *re, size_t si, const char *sn, int op, int t)
6752 if ((d = find_dumpop(re, si, sn, -1, t)) == NULL) {
6753 if ((d = calloc(1, sizeof(*d))) == NULL)
6754 err(EXIT_FAILURE, "calloc failed");
6755 if (t == DUMP_BY_INDEX)
6761 STAILQ_INSERT_TAIL(&re->v_dumpop, d, dumpop_list);
6766 static struct dumpop *
6767 find_dumpop(struct readelf *re, size_t si, const char *sn, int op, int t)
6771 STAILQ_FOREACH(d, &re->v_dumpop, dumpop_list) {
6772 if ((op == -1 || op & d->op) &&
6773 (t == -1 || (unsigned) t == d->type)) {
6774 if ((d->type == DUMP_BY_INDEX && d->u.si == si) ||
6775 (d->type == DUMP_BY_NAME && !strcmp(d->u.sn, sn)))
6788 {"rawline", 'l', DW_L},
6789 {"decodedline", 'L', DW_LL},
6790 {"info", 'i', DW_I},
6791 {"abbrev", 'a', DW_A},
6792 {"pubnames", 'p', DW_P},
6793 {"aranges", 'r', DW_R},
6794 {"ranges", 'r', DW_R},
6795 {"Ranges", 'R', DW_RR},
6796 {"macro", 'm', DW_M},
6797 {"frames", 'f', DW_F},
6798 {"frames-interp", 'F', DW_FF},
6805 parse_dwarf_op_short(struct readelf *re, const char *op)
6810 re->dop |= DW_DEFAULT_OPTIONS;
6814 for (; *op != '\0'; op++) {
6815 for (i = 0; dwarf_op[i].ln != NULL; i++) {
6816 if (dwarf_op[i].sn == *op) {
6817 re->dop |= dwarf_op[i].value;
6825 parse_dwarf_op_long(struct readelf *re, const char *op)
6827 char *p, *token, *bp;
6831 re->dop |= DW_DEFAULT_OPTIONS;
6835 if ((p = strdup(op)) == NULL)
6836 err(EXIT_FAILURE, "strdup failed");
6839 while ((token = strsep(&p, ",")) != NULL) {
6840 for (i = 0; dwarf_op[i].ln != NULL; i++) {
6841 if (!strcmp(token, dwarf_op[i].ln)) {
6842 re->dop |= dwarf_op[i].value;
6852 _read_lsb(Elf_Data *d, uint64_t *offsetp, int bytes_to_read)
6857 src = (uint8_t *) d->d_buf + *offsetp;
6860 switch (bytes_to_read) {
6862 ret |= ((uint64_t) src[4]) << 32 | ((uint64_t) src[5]) << 40;
6863 ret |= ((uint64_t) src[6]) << 48 | ((uint64_t) src[7]) << 56;
6866 ret |= ((uint64_t) src[2]) << 16 | ((uint64_t) src[3]) << 24;
6869 ret |= ((uint64_t) src[1]) << 8;
6878 *offsetp += bytes_to_read;
6884 _read_msb(Elf_Data *d, uint64_t *offsetp, int bytes_to_read)
6889 src = (uint8_t *) d->d_buf + *offsetp;
6891 switch (bytes_to_read) {
6896 ret = src[1] | ((uint64_t) src[0]) << 8;
6899 ret = src[3] | ((uint64_t) src[2]) << 8;
6900 ret |= ((uint64_t) src[1]) << 16 | ((uint64_t) src[0]) << 24;
6903 ret = src[7] | ((uint64_t) src[6]) << 8;
6904 ret |= ((uint64_t) src[5]) << 16 | ((uint64_t) src[4]) << 24;
6905 ret |= ((uint64_t) src[3]) << 32 | ((uint64_t) src[2]) << 40;
6906 ret |= ((uint64_t) src[1]) << 48 | ((uint64_t) src[0]) << 56;
6912 *offsetp += bytes_to_read;
6918 _decode_lsb(uint8_t **data, int bytes_to_read)
6926 switch (bytes_to_read) {
6928 ret |= ((uint64_t) src[4]) << 32 | ((uint64_t) src[5]) << 40;
6929 ret |= ((uint64_t) src[6]) << 48 | ((uint64_t) src[7]) << 56;
6932 ret |= ((uint64_t) src[2]) << 16 | ((uint64_t) src[3]) << 24;
6935 ret |= ((uint64_t) src[1]) << 8;
6944 *data += bytes_to_read;
6950 _decode_msb(uint8_t **data, int bytes_to_read)
6958 switch (bytes_to_read) {
6963 ret = src[1] | ((uint64_t) src[0]) << 8;
6966 ret = src[3] | ((uint64_t) src[2]) << 8;
6967 ret |= ((uint64_t) src[1]) << 16 | ((uint64_t) src[0]) << 24;
6970 ret = src[7] | ((uint64_t) src[6]) << 8;
6971 ret |= ((uint64_t) src[5]) << 16 | ((uint64_t) src[4]) << 24;
6972 ret |= ((uint64_t) src[3]) << 32 | ((uint64_t) src[2]) << 40;
6973 ret |= ((uint64_t) src[1]) << 48 | ((uint64_t) src[0]) << 56;
6980 *data += bytes_to_read;
6986 _decode_sleb128(uint8_t **dp, uint8_t *dpe)
6998 ret |= ((b & 0x7f) << shift);
7000 } while ((b & 0x80) != 0);
7002 if (shift < 32 && (b & 0x40) != 0)
7003 ret |= (-1 << shift);
7011 _decode_uleb128(uint8_t **dp, uint8_t *dpe)
7023 ret |= ((b & 0x7f) << shift);
7025 } while ((b & 0x80) != 0);
7033 readelf_version(void)
7035 (void) printf("%s (%s)\n", ELFTC_GETPROGNAME(),
7040 #define USAGE_MESSAGE "\
7041 Usage: %s [options] file...\n\
7042 Display information about ELF objects and ar(1) archives.\n\n\
7044 -a | --all Equivalent to specifying options '-dhIlrsASV'.\n\
7045 -c | --archive-index Print the archive symbol table for archives.\n\
7046 -d | --dynamic Print the contents of SHT_DYNAMIC sections.\n\
7047 -e | --headers Print all headers in the object.\n\
7048 -g | --section-groups Print the contents of the section groups.\n\
7049 -h | --file-header Print the file header for the object.\n\
7050 -l | --program-headers Print the PHDR table for the object.\n\
7051 -n | --notes Print the contents of SHT_NOTE sections.\n\
7052 -p INDEX | --string-dump=INDEX\n\
7053 Print the contents of section at index INDEX.\n\
7054 -r | --relocs Print relocation information.\n\
7055 -s | --syms | --symbols Print symbol tables.\n\
7056 -t | --section-details Print additional information about sections.\n\
7057 -v | --version Print a version identifier and exit.\n\
7058 -w[afilmoprsFLR] | --debug-dump={abbrev,aranges,decodedline,frames,\n\
7059 frames-interp,info,loc,macro,pubnames,\n\
7060 ranges,Ranges,rawline,str}\n\
7061 Display DWARF information.\n\
7062 -x INDEX | --hex-dump=INDEX\n\
7063 Display contents of a section as hexadecimal.\n\
7064 -A | --arch-specific (accepted, but ignored)\n\
7065 -D | --use-dynamic Print the symbol table specified by the DT_SYMTAB\n\
7066 entry in the \".dynamic\" section.\n\
7067 -H | --help Print a help message.\n\
7068 -I | --histogram Print information on bucket list lengths for \n\
7070 -N | --full-section-name (accepted, but ignored)\n\
7071 -S | --sections | --section-headers\n\
7072 Print information about section headers.\n\
7073 -V | --version-info Print symbol versoning information.\n\
7074 -W | --wide Print information without wrapping long lines.\n"
7078 readelf_usage(int status)
7080 fprintf(stderr, USAGE_MESSAGE, ELFTC_GETPROGNAME());
7085 main(int argc, char **argv)
7087 struct readelf *re, re_storage;
7093 memset(re, 0, sizeof(*re));
7094 STAILQ_INIT(&re->v_dumpop);
7096 while ((opt = getopt_long(argc, argv, "AacDdegHhIi:lNnp:rSstuVvWw::x:",
7097 longopts, NULL)) != -1) {
7100 readelf_usage(EXIT_SUCCESS);
7103 re->options |= RE_AA;
7106 re->options |= RE_AA | RE_D | RE_G | RE_H | RE_II |
7107 RE_L | RE_R | RE_SS | RE_S | RE_VV;
7110 re->options |= RE_C;
7113 re->options |= RE_DD;
7116 re->options |= RE_D;
7119 re->options |= RE_H | RE_L | RE_SS;
7122 re->options |= RE_G;
7125 readelf_usage(EXIT_SUCCESS);
7128 re->options |= RE_H;
7131 re->options |= RE_II;
7134 /* Not implemented yet. */
7137 re->options |= RE_L;
7140 re->options |= RE_NN;
7143 re->options |= RE_N;
7146 re->options |= RE_P;
7147 si = strtoul(optarg, &ep, 10);
7149 add_dumpop(re, (size_t) si, NULL, STR_DUMP,
7152 add_dumpop(re, 0, optarg, STR_DUMP,
7156 re->options |= RE_R;
7159 re->options |= RE_SS;
7162 re->options |= RE_S;
7165 re->options |= RE_T;
7168 re->options |= RE_U;
7171 re->options |= RE_VV;
7177 re->options |= RE_WW;
7180 re->options |= RE_W;
7181 parse_dwarf_op_short(re, optarg);
7184 re->options |= RE_X;
7185 si = strtoul(optarg, &ep, 10);
7187 add_dumpop(re, (size_t) si, NULL, HEX_DUMP,
7190 add_dumpop(re, 0, optarg, HEX_DUMP,
7193 case OPTION_DEBUG_DUMP:
7194 re->options |= RE_W;
7195 parse_dwarf_op_long(re, optarg);
7202 if (argc == 0 || re->options == 0)
7203 readelf_usage(EXIT_FAILURE);
7206 re->flags |= DISPLAY_FILENAME;
7208 if (elf_version(EV_CURRENT) == EV_NONE)
7209 errx(EXIT_FAILURE, "ELF library initialization failed: %s",
7212 for (i = 0; i < argc; i++) {
7213 re->filename = argv[i];