2 * Copyright (c) 2003 David O'Brien. All rights reserved.
3 * Copyright (c) 2001 Jake Burkholder
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 #include <sys/cdefs.h>
29 __FBSDID("$FreeBSD$");
31 #include <sys/types.h>
32 #include <sys/elf32.h>
33 #include <sys/elf64.h>
34 #include <sys/endian.h>
47 #define ED_EHDR (1<<1)
49 #define ED_HASH (1<<3)
50 #define ED_INTERP (1<<4)
51 #define ED_NOTE (1<<5)
52 #define ED_PHDR (1<<6)
54 #define ED_SHDR (1<<8)
55 #define ED_SYMTAB (1<<9)
56 #define ED_ALL ((1<<10)-1)
58 #define elf_get_addr elf_get_quad
59 #define elf_get_off elf_get_quad
60 #define elf_get_size elf_get_quad
63 D_TAG = 1, D_PTR, D_VAL,
65 E_CLASS, E_DATA, E_OSABI, E_TYPE, E_MACHINE, E_VERSION, E_ENTRY,
66 E_PHOFF, E_SHOFF, E_FLAGS, E_EHSIZE, E_PHENTSIZE, E_PHNUM, E_SHENTSIZE,
69 N_NAMESZ, N_DESCSZ, N_TYPE,
71 P_TYPE, P_OFFSET, P_VADDR, P_PADDR, P_FILESZ, P_MEMSZ, P_FLAGS,
74 SH_NAME, SH_TYPE, SH_FLAGS, SH_ADDR, SH_OFFSET, SH_SIZE, SH_LINK,
75 SH_INFO, SH_ADDRALIGN, SH_ENTSIZE,
77 ST_NAME, ST_VALUE, ST_SIZE, ST_INFO, ST_SHNDX,
81 RA_OFFSET, RA_INFO, RA_ADDEND
84 typedef enum elf_member elf_member_t;
86 static int elf32_offsets[] = {
89 offsetof(Elf32_Dyn, d_tag), offsetof(Elf32_Dyn, d_un.d_ptr),
90 offsetof(Elf32_Dyn, d_un.d_val),
92 offsetof(Elf32_Ehdr, e_ident[EI_CLASS]),
93 offsetof(Elf32_Ehdr, e_ident[EI_DATA]),
94 offsetof(Elf32_Ehdr, e_ident[EI_OSABI]),
95 offsetof(Elf32_Ehdr, e_type), offsetof(Elf32_Ehdr, e_machine),
96 offsetof(Elf32_Ehdr, e_version), offsetof(Elf32_Ehdr, e_entry),
97 offsetof(Elf32_Ehdr, e_phoff), offsetof(Elf32_Ehdr, e_shoff),
98 offsetof(Elf32_Ehdr, e_flags), offsetof(Elf32_Ehdr, e_ehsize),
99 offsetof(Elf32_Ehdr, e_phentsize), offsetof(Elf32_Ehdr, e_phnum),
100 offsetof(Elf32_Ehdr, e_shentsize), offsetof(Elf32_Ehdr, e_shnum),
101 offsetof(Elf32_Ehdr, e_shstrndx),
103 offsetof(Elf_Note, n_namesz), offsetof(Elf_Note, n_descsz),
104 offsetof(Elf_Note, n_type),
106 offsetof(Elf32_Phdr, p_type), offsetof(Elf32_Phdr, p_offset),
107 offsetof(Elf32_Phdr, p_vaddr), offsetof(Elf32_Phdr, p_paddr),
108 offsetof(Elf32_Phdr, p_filesz), offsetof(Elf32_Phdr, p_memsz),
109 offsetof(Elf32_Phdr, p_flags), offsetof(Elf32_Phdr, p_align),
111 offsetof(Elf32_Shdr, sh_name), offsetof(Elf32_Shdr, sh_type),
112 offsetof(Elf32_Shdr, sh_flags), offsetof(Elf32_Shdr, sh_addr),
113 offsetof(Elf32_Shdr, sh_offset), offsetof(Elf32_Shdr, sh_size),
114 offsetof(Elf32_Shdr, sh_link), offsetof(Elf32_Shdr, sh_info),
115 offsetof(Elf32_Shdr, sh_addralign), offsetof(Elf32_Shdr, sh_entsize),
117 offsetof(Elf32_Sym, st_name), offsetof(Elf32_Sym, st_value),
118 offsetof(Elf32_Sym, st_size), offsetof(Elf32_Sym, st_info),
119 offsetof(Elf32_Sym, st_shndx),
121 offsetof(Elf32_Rel, r_offset), offsetof(Elf32_Rel, r_info),
123 offsetof(Elf32_Rela, r_offset), offsetof(Elf32_Rela, r_info),
124 offsetof(Elf32_Rela, r_addend)
127 static int elf64_offsets[] = {
130 offsetof(Elf64_Dyn, d_tag), offsetof(Elf64_Dyn, d_un.d_ptr),
131 offsetof(Elf64_Dyn, d_un.d_val),
133 offsetof(Elf32_Ehdr, e_ident[EI_CLASS]),
134 offsetof(Elf32_Ehdr, e_ident[EI_DATA]),
135 offsetof(Elf32_Ehdr, e_ident[EI_OSABI]),
136 offsetof(Elf64_Ehdr, e_type), offsetof(Elf64_Ehdr, e_machine),
137 offsetof(Elf64_Ehdr, e_version), offsetof(Elf64_Ehdr, e_entry),
138 offsetof(Elf64_Ehdr, e_phoff), offsetof(Elf64_Ehdr, e_shoff),
139 offsetof(Elf64_Ehdr, e_flags), offsetof(Elf64_Ehdr, e_ehsize),
140 offsetof(Elf64_Ehdr, e_phentsize), offsetof(Elf64_Ehdr, e_phnum),
141 offsetof(Elf64_Ehdr, e_shentsize), offsetof(Elf64_Ehdr, e_shnum),
142 offsetof(Elf64_Ehdr, e_shstrndx),
144 offsetof(Elf_Note, n_namesz), offsetof(Elf_Note, n_descsz),
145 offsetof(Elf_Note, n_type),
147 offsetof(Elf64_Phdr, p_type), offsetof(Elf64_Phdr, p_offset),
148 offsetof(Elf64_Phdr, p_vaddr), offsetof(Elf64_Phdr, p_paddr),
149 offsetof(Elf64_Phdr, p_filesz), offsetof(Elf64_Phdr, p_memsz),
150 offsetof(Elf64_Phdr, p_flags), offsetof(Elf64_Phdr, p_align),
152 offsetof(Elf64_Shdr, sh_name), offsetof(Elf64_Shdr, sh_type),
153 offsetof(Elf64_Shdr, sh_flags), offsetof(Elf64_Shdr, sh_addr),
154 offsetof(Elf64_Shdr, sh_offset), offsetof(Elf64_Shdr, sh_size),
155 offsetof(Elf64_Shdr, sh_link), offsetof(Elf64_Shdr, sh_info),
156 offsetof(Elf64_Shdr, sh_addralign), offsetof(Elf64_Shdr, sh_entsize),
158 offsetof(Elf64_Sym, st_name), offsetof(Elf64_Sym, st_value),
159 offsetof(Elf64_Sym, st_size), offsetof(Elf64_Sym, st_info),
160 offsetof(Elf64_Sym, st_shndx),
162 offsetof(Elf64_Rel, r_offset), offsetof(Elf64_Rel, r_info),
164 offsetof(Elf64_Rela, r_offset), offsetof(Elf64_Rela, r_info),
165 offsetof(Elf64_Rela, r_addend)
168 /* http://www.sco.com/developers/gabi/latest/ch5.dynamic.html#tag_encodings */
170 d_tags(u_int64_t tag) {
172 case 0: return "DT_NULL";
173 case 1: return "DT_NEEDED";
174 case 2: return "DT_PLTRELSZ";
175 case 3: return "DT_PLTGOT";
176 case 4: return "DT_HASH";
177 case 5: return "DT_STRTAB";
178 case 6: return "DT_SYMTAB";
179 case 7: return "DT_RELA";
180 case 8: return "DT_RELASZ";
181 case 9: return "DT_RELAENT";
182 case 10: return "DT_STRSZ";
183 case 11: return "DT_SYMENT";
184 case 12: return "DT_INIT";
185 case 13: return "DT_FINI";
186 case 14: return "DT_SONAME";
187 case 15: return "DT_RPATH";
188 case 16: return "DT_SYMBOLIC";
189 case 17: return "DT_REL";
190 case 18: return "DT_RELSZ";
191 case 19: return "DT_RELENT";
192 case 20: return "DT_PLTREL";
193 case 21: return "DT_DEBUG";
194 case 22: return "DT_TEXTREL";
195 case 23: return "DT_JMPREL";
196 case 24: return "DT_BIND_NOW";
197 case 25: return "DT_INIT_ARRAY";
198 case 26: return "DT_FINI_ARRAY";
199 case 27: return "DT_INIT_ARRAYSZ";
200 case 28: return "DT_FINI_ARRAYSZ";
201 case 29: return "DT_RUNPATH";
202 case 30: return "DT_FLAGS";
203 case 32: return "DT_PREINIT_ARRAY"; /* XXX: DT_ENCODING */
204 case 33: return "DT_PREINIT_ARRAYSZ";
205 /* 0x6000000D - 0x6ffff000 operating system-specific semantics */
206 case 0x6ffffdf5: return "DT_GNU_PRELINKED";
207 case 0x6ffffdf6: return "DT_GNU_CONFLICTSZ";
208 case 0x6ffffdf7: return "DT_GNU_LIBLISTSZ";
209 case 0x6ffffdf8: return "DT_SUNW_CHECKSUM";
210 case 0x6ffffdf9: return "DT_PLTPADSZ";
211 case 0x6ffffdfa: return "DT_MOVEENT";
212 case 0x6ffffdfb: return "DT_MOVESZ";
213 case 0x6ffffdfc: return "DT_FEATURE";
214 case 0x6ffffdfd: return "DT_POSFLAG_1";
215 case 0x6ffffdfe: return "DT_SYMINSZ";
216 case 0x6ffffdff: return "DT_SYMINENT (DT_VALRNGHI)";
217 case 0x6ffffe00: return "DT_ADDRRNGLO";
218 case 0x6ffffef8: return "DT_GNU_CONFLICT";
219 case 0x6ffffef9: return "DT_GNU_LIBLIST";
220 case 0x6ffffefa: return "DT_SUNW_CONFIG";
221 case 0x6ffffefb: return "DT_SUNW_DEPAUDIT";
222 case 0x6ffffefc: return "DT_SUNW_AUDIT";
223 case 0x6ffffefd: return "DT_SUNW_PLTPAD";
224 case 0x6ffffefe: return "DT_SUNW_MOVETAB";
225 case 0x6ffffeff: return "DT_SYMINFO (DT_ADDRRNGHI)";
226 case 0x6ffffff9: return "DT_RELACOUNT";
227 case 0x6ffffffa: return "DT_RELCOUNT";
228 case 0x6ffffffb: return "DT_FLAGS_1";
229 case 0x6ffffffc: return "DT_VERDEF";
230 case 0x6ffffffd: return "DT_VERDEFNUM";
231 case 0x6ffffffe: return "DT_VERNEED";
232 case 0x6fffffff: return "DT_VERNEEDNUM";
233 case 0x6ffffff0: return "DT_GNU_VERSYM";
234 /* 0x70000000 - 0x7fffffff processor-specific semantics */
235 case 0x70000000: return "DT_IA_64_PLT_RESERVE";
236 case 0x7ffffffd: return "DT_SUNW_AUXILIARY";
237 case 0x7ffffffe: return "DT_SUNW_USED";
238 case 0x7fffffff: return "DT_SUNW_FILTER";
239 default: return "ERROR: TAG NOT DEFINED";
244 e_machines(u_int mach)
246 static char machdesc[64];
249 case EM_NONE: return "EM_NONE";
250 case EM_M32: return "EM_M32";
251 case EM_SPARC: return "EM_SPARC";
252 case EM_386: return "EM_386";
253 case EM_68K: return "EM_68K";
254 case EM_88K: return "EM_88K";
255 case EM_860: return "EM_860";
256 case EM_MIPS: return "EM_MIPS";
257 case EM_PPC: return "EM_PPC";
258 case EM_ARM: return "EM_ARM";
259 case EM_ALPHA: return "EM_ALPHA (legacy)";
260 case EM_SPARCV9:return "EM_SPARCV9";
261 case EM_IA_64: return "EM_IA_64";
262 case EM_X86_64: return "EM_X86_64";
264 snprintf(machdesc, sizeof(machdesc),
265 "(unknown machine) -- type 0x%x", mach);
269 static const char *e_types[] = {
270 "ET_NONE", "ET_REL", "ET_EXEC", "ET_DYN", "ET_CORE"
273 static const char *ei_versions[] = {
274 "EV_NONE", "EV_CURRENT"
277 static const char *ei_classes[] = {
278 "ELFCLASSNONE", "ELFCLASS32", "ELFCLASS64"
281 static const char *ei_data[] = {
282 "ELFDATANONE", "ELFDATA2LSB", "ELFDATA2MSB"
285 static const char *ei_abis[256] = {
286 "ELFOSABI_SYSV", "ELFOSABI_HPUX", "ELFOSABI_NETBSD", "ELFOSABI_LINUX",
287 "ELFOSABI_HURD", "ELFOSABI_86OPEN", "ELFOSABI_SOLARIS", "ELFOSABI_AIX",
288 "ELFOSABI_IRIX", "ELFOSABI_FREEBSD", "ELFOSABI_TRU64",
289 "ELFOSABI_MODESTO", "ELFOSABI_OPENBSD",
290 [255] = "ELFOSABI_STANDALONE"
293 static const char *p_types[] = {
294 "PT_NULL", "PT_LOAD", "PT_DYNAMIC", "PT_INTERP", "PT_NOTE",
295 "PT_SHLIB", "PT_PHDR", "PT_TLS"
298 static const char *p_flags[] = {
299 "", "PF_X", "PF_W", "PF_X|PF_W", "PF_R", "PF_X|PF_R", "PF_W|PF_R",
303 /* http://www.sco.com/developers/gabi/latest/ch4.sheader.html#sh_type */
305 sh_types(u_int64_t sht) {
307 case 0: return "SHT_NULL";
308 case 1: return "SHT_PROGBITS";
309 case 2: return "SHT_SYMTAB";
310 case 3: return "SHT_STRTAB";
311 case 4: return "SHT_RELA";
312 case 5: return "SHT_HASH";
313 case 6: return "SHT_DYNAMIC";
314 case 7: return "SHT_NOTE";
315 case 8: return "SHT_NOBITS";
316 case 9: return "SHT_REL";
317 case 10: return "SHT_SHLIB";
318 case 11: return "SHT_DYNSYM";
319 case 14: return "SHT_INIT_ARRAY";
320 case 15: return "SHT_FINI_ARRAY";
321 case 16: return "SHT_PREINIT_ARRAY";
322 case 17: return "SHT_GROUP";
323 case 18: return "SHT_SYMTAB_SHNDX";
324 /* 0x60000000 - 0x6fffffff operating system-specific semantics */
325 case 0x6ffffff0: return "XXX:VERSYM";
326 case 0x6ffffff4: return "SHT_SUNW_dof";
327 case 0x6ffffff7: return "SHT_GNU_LIBLIST";
328 case 0x6ffffffc: return "XXX:VERDEF";
329 case 0x6ffffffd: return "SHT_SUNW(GNU)_verdef";
330 case 0x6ffffffe: return "SHT_SUNW(GNU)_verneed";
331 case 0x6fffffff: return "SHT_SUNW(GNU)_versym";
332 /* 0x70000000 - 0x7fffffff processor-specific semantics */
333 case 0x70000000: return "SHT_IA_64_EXT";
334 case 0x70000001: return "SHT_IA_64_UNWIND";
335 case 0x7ffffffd: return "XXX:AUXILIARY";
336 case 0x7fffffff: return "XXX:FILTER";
337 /* 0x80000000 - 0xffffffff application programs */
338 default: return "ERROR: SHT NOT DEFINED";
342 static const char *sh_flags[] = {
343 "", "SHF_WRITE", "SHF_ALLOC", "SHF_WRITE|SHF_ALLOC", "SHF_EXECINSTR",
344 "SHF_WRITE|SHF_EXECINSTR", "SHF_ALLOC|SHF_EXECINSTR",
345 "SHF_WRITE|SHF_ALLOC|SHF_EXECINSTR"
348 static const char *st_types[] = {
349 "STT_NOTYPE", "STT_OBJECT", "STT_FUNC", "STT_SECTION", "STT_FILE"
352 static const char *st_bindings[] = {
353 "STB_LOCAL", "STB_GLOBAL", "STB_WEAK"
357 static char *shstrtab;
361 static u_int64_t elf_get_byte(Elf32_Ehdr *e, void *base, elf_member_t member);
362 static u_int64_t elf_get_quarter(Elf32_Ehdr *e, void *base,
363 elf_member_t member);
365 static u_int64_t elf_get_half(Elf32_Ehdr *e, void *base, elf_member_t member);
367 static u_int64_t elf_get_word(Elf32_Ehdr *e, void *base, elf_member_t member);
368 static u_int64_t elf_get_quad(Elf32_Ehdr *e, void *base, elf_member_t member);
370 static void elf_print_ehdr(Elf32_Ehdr *e);
371 static void elf_print_phdr(Elf32_Ehdr *e, void *p);
372 static void elf_print_shdr(Elf32_Ehdr *e, void *sh);
373 static void elf_print_symtab(Elf32_Ehdr *e, void *sh, char *str);
374 static void elf_print_dynamic(Elf32_Ehdr *e, void *sh);
375 static void elf_print_rel(Elf32_Ehdr *e, void *r);
376 static void elf_print_rela(Elf32_Ehdr *e, void *ra);
377 static void elf_print_interp(Elf32_Ehdr *e, void *p);
378 static void elf_print_got(Elf32_Ehdr *e, void *sh);
379 static void elf_print_hash(Elf32_Ehdr *e, void *sh);
380 static void elf_print_note(Elf32_Ehdr *e, void *sh);
382 static void usage(void);
385 main(int ac, char **av)
409 while ((ch = getopt(ac, av, "acdeiGhnprsw:")) != -1)
445 if ((out = fopen(optarg, "w")) == NULL)
446 err(1, "%s", optarg);
454 if (ac == 0 || flags == 0)
456 if ((fd = open(*av, O_RDONLY)) < 0 ||
459 e = mmap(NULL, sb.st_size, PROT_READ, MAP_SHARED, fd, 0);
462 if (!IS_ELF(*(Elf32_Ehdr *)e))
463 errx(1, "not an elf file");
464 phoff = elf_get_off(e, e, E_PHOFF);
465 shoff = elf_get_off(e, e, E_SHOFF);
466 phentsize = elf_get_quarter(e, e, E_PHENTSIZE);
467 phnum = elf_get_quarter(e, e, E_PHNUM);
468 shentsize = elf_get_quarter(e, e, E_SHENTSIZE);
469 shnum = elf_get_quarter(e, e, E_SHNUM);
470 shstrndx = elf_get_quarter(e, e, E_SHSTRNDX);
471 p = (char *)e + phoff;
472 sh = (char *)e + shoff;
473 offset = elf_get_off(e, (char *)sh + shstrndx * shentsize, SH_OFFSET);
474 shstrtab = (char *)e + offset;
475 for (i = 0; (u_int64_t)i < shnum; i++) {
476 name = elf_get_word(e, (char *)sh + i * shentsize, SH_NAME);
477 offset = elf_get_off(e, (char *)sh + i * shentsize, SH_OFFSET);
478 if (strcmp(shstrtab + name, ".strtab") == 0)
479 strtab = (char *)e + offset;
480 if (strcmp(shstrtab + name, ".dynstr") == 0)
481 dynstr = (char *)e + offset;
486 elf_print_phdr(e, p);
488 elf_print_shdr(e, sh);
489 for (i = 0; (u_int64_t)i < phnum; i++) {
490 v = (char *)p + i * phentsize;
491 type = elf_get_word(e, v, P_TYPE);
494 if (flags & ED_INTERP)
495 elf_print_interp(e, v);
506 for (i = 0; (u_int64_t)i < shnum; i++) {
507 v = (char *)sh + i * shentsize;
508 type = elf_get_word(e, v, SH_TYPE);
511 if (flags & ED_SYMTAB)
512 elf_print_symtab(e, v, strtab);
516 elf_print_dynamic(e, v);
520 elf_print_rela(e, v);
527 name = elf_get_word(e, v, SH_NAME);
528 if (flags & ED_NOTE &&
529 strcmp(shstrtab + name, ".note.ABI-tag") == 0)
530 elf_print_note(e, v);
533 if (flags & ED_SYMTAB)
534 elf_print_symtab(e, v, dynstr);
537 name = elf_get_word(e, v, SH_NAME);
538 if (flags & ED_GOT &&
539 strcmp(shstrtab + name, ".got") == 0)
544 elf_print_hash(e, v);
558 elf_print_ehdr(Elf32_Ehdr *e)
577 class = elf_get_byte(e, e, E_CLASS);
578 data = elf_get_byte(e, e, E_DATA);
579 osabi = elf_get_byte(e, e, E_OSABI);
580 type = elf_get_quarter(e, e, E_TYPE);
581 machine = elf_get_quarter(e, e, E_MACHINE);
582 version = elf_get_word(e, e, E_VERSION);
583 entry = elf_get_addr(e, e, E_ENTRY);
584 phoff = elf_get_off(e, e, E_PHOFF);
585 shoff = elf_get_off(e, e, E_SHOFF);
586 flags = elf_get_word(e, e, E_FLAGS);
587 ehsize = elf_get_quarter(e, e, E_EHSIZE);
588 phentsize = elf_get_quarter(e, e, E_PHENTSIZE);
589 phnum = elf_get_quarter(e, e, E_PHNUM);
590 shentsize = elf_get_quarter(e, e, E_SHENTSIZE);
591 shnum = elf_get_quarter(e, e, E_SHNUM);
592 shstrndx = elf_get_quarter(e, e, E_SHSTRNDX);
593 fprintf(out, "\nelf header:\n");
595 fprintf(out, "\te_ident: %s %s %s\n", ei_classes[class], ei_data[data],
597 fprintf(out, "\te_type: %s\n", e_types[type]);
598 fprintf(out, "\te_machine: %s\n", e_machines(machine));
599 fprintf(out, "\te_version: %s\n", ei_versions[version]);
600 fprintf(out, "\te_entry: %#jx\n", (intmax_t)entry);
601 fprintf(out, "\te_phoff: %jd\n", (intmax_t)phoff);
602 fprintf(out, "\te_shoff: %jd\n", (intmax_t)shoff);
603 fprintf(out, "\te_flags: %jd\n", (intmax_t)flags);
604 fprintf(out, "\te_ehsize: %jd\n", (intmax_t)ehsize);
605 fprintf(out, "\te_phentsize: %jd\n", (intmax_t)phentsize);
606 fprintf(out, "\te_phnum: %jd\n", (intmax_t)phnum);
607 fprintf(out, "\te_shentsize: %jd\n", (intmax_t)shentsize);
608 fprintf(out, "\te_shnum: %jd\n", (intmax_t)shnum);
609 fprintf(out, "\te_shstrndx: %jd\n", (intmax_t)shstrndx);
613 elf_print_phdr(Elf32_Ehdr *e, void *p)
628 phentsize = elf_get_quarter(e, e, E_PHENTSIZE);
629 phnum = elf_get_quarter(e, e, E_PHNUM);
630 fprintf(out, "\nprogram header:\n");
631 for (i = 0; (u_int64_t)i < phnum; i++) {
632 v = (char *)p + i * phentsize;
633 type = elf_get_word(e, v, P_TYPE);
634 offset = elf_get_off(e, v, P_OFFSET);
635 vaddr = elf_get_addr(e, v, P_VADDR);
636 paddr = elf_get_addr(e, v, P_PADDR);
637 filesz = elf_get_size(e, v, P_FILESZ);
638 memsz = elf_get_size(e, v, P_MEMSZ);
639 flags = elf_get_word(e, v, P_FLAGS);
640 align = elf_get_size(e, v, P_ALIGN);
642 fprintf(out, "entry: %d\n", i);
643 fprintf(out, "\tp_type: %s\n", p_types[type & 0x7]);
644 fprintf(out, "\tp_offset: %jd\n", (intmax_t)offset);
645 fprintf(out, "\tp_vaddr: %#jx\n", (intmax_t)vaddr);
646 fprintf(out, "\tp_paddr: %#jx\n", (intmax_t)paddr);
647 fprintf(out, "\tp_filesz: %jd\n", (intmax_t)filesz);
648 fprintf(out, "\tp_memsz: %jd\n", (intmax_t)memsz);
649 fprintf(out, "\tp_flags: %s\n", p_flags[flags]);
650 fprintf(out, "\tp_align: %jd\n", (intmax_t)align);
655 elf_print_shdr(Elf32_Ehdr *e, void *sh)
672 shentsize = elf_get_quarter(e, e, E_SHENTSIZE);
673 shnum = elf_get_quarter(e, e, E_SHNUM);
674 fprintf(out, "\nsection header:\n");
675 for (i = 0; (u_int64_t)i < shnum; i++) {
676 v = (char *)sh + i * shentsize;
677 name = elf_get_word(e, v, SH_NAME);
678 type = elf_get_word(e, v, SH_TYPE);
679 flags = elf_get_word(e, v, SH_FLAGS);
680 addr = elf_get_addr(e, v, SH_ADDR);
681 offset = elf_get_off(e, v, SH_OFFSET);
682 size = elf_get_size(e, v, SH_SIZE);
683 shlink = elf_get_word(e, v, SH_LINK);
684 info = elf_get_word(e, v, SH_INFO);
685 addralign = elf_get_size(e, v, SH_ADDRALIGN);
686 entsize = elf_get_size(e, v, SH_ENTSIZE);
688 fprintf(out, "entry: %d\n", i);
689 fprintf(out, "\tsh_name: %s\n", shstrtab + name);
690 fprintf(out, "\tsh_type: %s\n", sh_types(type));
691 fprintf(out, "\tsh_flags: %s\n", sh_flags[flags & 0x7]);
692 fprintf(out, "\tsh_addr: %#jx\n", addr);
693 fprintf(out, "\tsh_offset: %jd\n", (intmax_t)offset);
694 fprintf(out, "\tsh_size: %jd\n", (intmax_t)size);
695 fprintf(out, "\tsh_link: %jd\n", (intmax_t)shlink);
696 fprintf(out, "\tsh_info: %jd\n", (intmax_t)info);
697 fprintf(out, "\tsh_addralign: %jd\n", (intmax_t)addralign);
698 fprintf(out, "\tsh_entsize: %jd\n", (intmax_t)entsize);
703 elf_print_symtab(Elf32_Ehdr *e, void *sh, char *str)
716 offset = elf_get_off(e, sh, SH_OFFSET);
717 entsize = elf_get_size(e, sh, SH_ENTSIZE);
718 size = elf_get_size(e, sh, SH_SIZE);
719 name = elf_get_word(e, sh, SH_NAME);
720 len = size / entsize;
721 fprintf(out, "\nsymbol table (%s):\n", shstrtab + name);
722 for (i = 0; i < len; i++) {
723 st = (char *)e + offset + i * entsize;
724 name = elf_get_word(e, st, ST_NAME);
725 value = elf_get_addr(e, st, ST_VALUE);
726 size = elf_get_size(e, st, ST_SIZE);
727 info = elf_get_byte(e, st, ST_INFO);
728 shndx = elf_get_quarter(e, st, ST_SHNDX);
730 fprintf(out, "entry: %d\n", i);
731 fprintf(out, "\tst_name: %s\n", str + name);
732 fprintf(out, "\tst_value: %#jx\n", value);
733 fprintf(out, "\tst_size: %jd\n", (intmax_t)size);
734 fprintf(out, "\tst_info: %s %s\n",
735 st_types[ELF32_ST_TYPE(info)],
736 st_bindings[ELF32_ST_BIND(info)]);
737 fprintf(out, "\tst_shndx: %jd\n", (intmax_t)shndx);
742 elf_print_dynamic(Elf32_Ehdr *e, void *sh)
753 offset = elf_get_off(e, sh, SH_OFFSET);
754 entsize = elf_get_size(e, sh, SH_ENTSIZE);
755 size = elf_get_size(e, sh, SH_SIZE);
756 fprintf(out, "\ndynamic:\n");
757 for (i = 0; (u_int64_t)i < size / entsize; i++) {
758 d = (char *)e + offset + i * entsize;
759 tag = elf_get_size(e, d, D_TAG);
760 ptr = elf_get_size(e, d, D_PTR);
761 val = elf_get_addr(e, d, D_VAL);
763 fprintf(out, "entry: %d\n", i);
764 fprintf(out, "\td_tag: %s\n", d_tags(tag));
769 fprintf(out, "\td_val: %s\n", dynstr + val);
780 fprintf(out, "\td_val: %jd\n", (intmax_t)val);
790 fprintf(out, "\td_ptr: %#jx\n", ptr);
802 elf_print_rela(Elf32_Ehdr *e, void *sh)
814 offset = elf_get_off(e, sh, SH_OFFSET);
815 entsize = elf_get_size(e, sh, SH_ENTSIZE);
816 size = elf_get_size(e, sh, SH_SIZE);
817 name = elf_get_word(e, sh, SH_NAME);
818 v = (char *)e + offset;
819 fprintf(out, "\nrelocation with addend (%s):\n", shstrtab + name);
820 for (i = 0; (u_int64_t)i < size / entsize; i++) {
821 ra = (char *)v + i * entsize;
822 offset = elf_get_addr(e, ra, RA_OFFSET);
823 info = elf_get_word(e, ra, RA_INFO);
824 addend = elf_get_off(e, ra, RA_ADDEND);
826 fprintf(out, "entry: %d\n", i);
827 fprintf(out, "\tr_offset: %#jx\n", offset);
828 fprintf(out, "\tr_info: %jd\n", (intmax_t)info);
829 fprintf(out, "\tr_addend: %jd\n", (intmax_t)addend);
834 elf_print_rel(Elf32_Ehdr *e, void *sh)
845 offset = elf_get_off(e, sh, SH_OFFSET);
846 entsize = elf_get_size(e, sh, SH_ENTSIZE);
847 size = elf_get_size(e, sh, SH_SIZE);
848 name = elf_get_word(e, sh, SH_NAME);
849 v = (char *)e + offset;
850 fprintf(out, "\nrelocation (%s):\n", shstrtab + name);
851 for (i = 0; (u_int64_t)i < size / entsize; i++) {
852 r = (char *)v + i * entsize;
853 offset = elf_get_addr(e, r, R_OFFSET);
854 info = elf_get_word(e, r, R_INFO);
856 fprintf(out, "entry: %d\n", i);
857 fprintf(out, "\tr_offset: %#jx\n", offset);
858 fprintf(out, "\tr_info: %jd\n", (intmax_t)info);
863 elf_print_interp(Elf32_Ehdr *e, void *p)
868 offset = elf_get_off(e, p, P_OFFSET);
869 s = (char *)e + offset;
870 fprintf(out, "\ninterp:\n");
871 fprintf(out, "\t%s\n", s);
875 elf_print_got(Elf32_Ehdr *e, void *sh)
884 offset = elf_get_off(e, sh, SH_OFFSET);
885 addralign = elf_get_size(e, sh, SH_ADDRALIGN);
886 size = elf_get_size(e, sh, SH_SIZE);
887 v = (char *)e + offset;
888 fprintf(out, "\nglobal offset table:\n");
889 for (i = 0; (u_int64_t)i < size / addralign; i++) {
890 addr = elf_get_addr(e, (char *)v + i * addralign, 0);
892 fprintf(out, "entry: %d\n", i);
893 fprintf(out, "\t%#jx\n", addr);
898 elf_print_hash(Elf32_Ehdr *e __unused, void *sh __unused)
903 elf_print_note(Elf32_Ehdr *e, void *sh)
913 offset = elf_get_off(e, sh, SH_OFFSET);
914 size = elf_get_size(e, sh, SH_SIZE);
915 name = elf_get_word(e, sh, SH_NAME);
916 n = (char *)e + offset;
917 fprintf(out, "\nnote (%s):\n", shstrtab + name);
918 while (n < ((char *)e + offset + size)) {
919 namesz = elf_get_word(e, n, N_NAMESZ);
920 descsz = elf_get_word(e, n, N_DESCSZ);
921 s = n + sizeof(Elf_Note);
922 desc = elf_get_word(e, n + sizeof(Elf_Note) + namesz, 0);
923 fprintf(out, "\t%s %d\n", s, desc);
924 n += sizeof(Elf_Note) + namesz + descsz;
929 elf_get_byte(Elf32_Ehdr *e, void *base, elf_member_t member)
934 switch (e->e_ident[EI_CLASS]) {
936 val = ((uint8_t *)base)[elf32_offsets[member]];
939 val = ((uint8_t *)base)[elf64_offsets[member]];
942 errx(1, "invalid class");
949 elf_get_quarter(Elf32_Ehdr *e, void *base, elf_member_t member)
954 switch (e->e_ident[EI_CLASS]) {
956 base = (char *)base + elf32_offsets[member];
957 switch (e->e_ident[EI_DATA]) {
965 errx(1, "invalid data format");
969 base = (char *)base + elf64_offsets[member];
970 switch (e->e_ident[EI_DATA]) {
978 errx(1, "invalid data format");
982 errx(1, "invalid class");
990 elf_get_half(Elf32_Ehdr *e, void *base, elf_member_t member)
995 switch (e->e_ident[EI_CLASS]) {
997 base = (char *)base + elf32_offsets[member];
998 switch (e->e_ident[EI_DATA]) {
1000 val = be16dec(base);
1003 val = le16dec(base);
1006 errx(1, "invalid data format");
1010 base = (char *)base + elf64_offsets[member];
1011 switch (e->e_ident[EI_DATA]) {
1013 val = be32dec(base);
1016 val = le32dec(base);
1019 errx(1, "invalid data format");
1023 errx(1, "invalid class");
1031 elf_get_word(Elf32_Ehdr *e, void *base, elf_member_t member)
1036 switch (e->e_ident[EI_CLASS]) {
1038 base = (char *)base + elf32_offsets[member];
1039 switch (e->e_ident[EI_DATA]) {
1041 val = be32dec(base);
1044 val = le32dec(base);
1047 errx(1, "invalid data format");
1051 base = (char *)base + elf64_offsets[member];
1052 switch (e->e_ident[EI_DATA]) {
1054 val = be32dec(base);
1057 val = le32dec(base);
1060 errx(1, "invalid data format");
1064 errx(1, "invalid class");
1071 elf_get_quad(Elf32_Ehdr *e, void *base, elf_member_t member)
1076 switch (e->e_ident[EI_CLASS]) {
1078 base = (char *)base + elf32_offsets[member];
1079 switch (e->e_ident[EI_DATA]) {
1081 val = be32dec(base);
1084 val = le32dec(base);
1087 errx(1, "invalid data format");
1091 base = (char *)base + elf64_offsets[member];
1092 switch (e->e_ident[EI_DATA]) {
1094 val = be64dec(base);
1097 val = le64dec(base);
1100 errx(1, "invalid data format");
1104 errx(1, "invalid class");
1113 fprintf(stderr, "usage: elfdump -a | -cdeGhinprs [-w file] file\n");