1/*-
2 * Copyright (c) 2007-2012 Kai Wang
3 * Copyright (c) 2003 David O'Brien. All rights reserved.
4 * Copyright (c) 2001 Jake Burkholder
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29#include <sys/param.h>
30#include <sys/queue.h>
31#include <sys/stat.h>
32
33#include <ar.h>
34#include <assert.h>
35#include <err.h>
36#include <fcntl.h>
37#include <gelf.h>
38#include <getopt.h>
39#include <libelftc.h>
40#include <inttypes.h>
41#include <stdio.h>
42#include <stdlib.h>
43#include <string.h>
44#include <unistd.h>
45
46#ifdef USE_LIBARCHIVE_AR
47#include <archive.h>
48#include <archive_entry.h>
49#endif
50
51#include "_elftc.h"
52
|
53ELFTC_VCSID("$Id: elfdump.c 3250 2015-10-06 13:56:15Z emaste $");
|
| 53ELFTC_VCSID("$Id: elfdump.c 3391 2016-02-05 19:43:01Z emaste $"); |
54
55#if defined(ELFTC_NEED_ELF_NOTE_DEFINITION)
56#include "native-elf-format.h"
57#if ELFTC_CLASS == ELFCLASS32
58typedef Elf32_Nhdr Elf_Note;
59#else
60typedef Elf64_Nhdr Elf_Note;
61#endif
62#endif
63
64/* elfdump(1) options. */
65#define ED_DYN (1<<0)
66#define ED_EHDR (1<<1)
67#define ED_GOT (1<<2)
68#define ED_HASH (1<<3)
69#define ED_INTERP (1<<4)
70#define ED_NOTE (1<<5)
71#define ED_PHDR (1<<6)
72#define ED_REL (1<<7)
73#define ED_SHDR (1<<8)
74#define ED_SYMTAB (1<<9)
75#define ED_SYMVER (1<<10)
76#define ED_CHECKSUM (1<<11)
77#define ED_ALL ((1<<12)-1)
78
79/* elfdump(1) run control flags. */
80#define SOLARIS_FMT (1<<0)
81#define PRINT_FILENAME (1<<1)
82#define PRINT_ARSYM (1<<2)
83#define ONLY_ARSYM (1<<3)
84
85/* Convenient print macro. */
86#define PRT(...) fprintf(ed->out, __VA_ARGS__)
87
88/* Internal data structure for sections. */
89struct section {
90 const char *name; /* section name */
91 Elf_Scn *scn; /* section scn */
92 uint64_t off; /* section offset */
93 uint64_t sz; /* section size */
94 uint64_t entsize; /* section entsize */
95 uint64_t align; /* section alignment */
96 uint64_t type; /* section type */
97 uint64_t flags; /* section flags */
98 uint64_t addr; /* section virtual addr */
99 uint32_t link; /* section link ndx */
100 uint32_t info; /* section info ndx */
101};
102
103struct spec_name {
104 const char *name;
105 STAILQ_ENTRY(spec_name) sn_list;
106};
107
108/* Structure encapsulates the global data for readelf(1). */
109struct elfdump {
110 FILE *out; /* output redirection. */
111 const char *filename; /* current processing file. */
112 const char *archive; /* archive name */
113 int options; /* command line options. */
114 int flags; /* run control flags. */
115 Elf *elf; /* underlying ELF descriptor. */
116#ifndef USE_LIBARCHIVE_AR
117 Elf *ar; /* ar(1) archive descriptor. */
118#endif
119 GElf_Ehdr ehdr; /* ELF header. */
120 int ec; /* ELF class. */
121 size_t shnum; /* #sections. */
122 struct section *sl; /* list of sections. */
123 STAILQ_HEAD(, spec_name) snl; /* list of names specified by -N. */
124};
125
126/* Relocation entry. */
127struct rel_entry {
128 union {
129 GElf_Rel rel;
130 GElf_Rela rela;
131 } u_r;
132 const char *symn;
133 uint32_t type;
134};
135
136#if defined(ELFTC_NEED_BYTEORDER_EXTENSIONS)
137static __inline uint32_t
138be32dec(const void *pp)
139{
140 unsigned char const *p = (unsigned char const *)pp;
141
142 return ((p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3]);
143}
144
145static __inline uint32_t
146le32dec(const void *pp)
147{
148 unsigned char const *p = (unsigned char const *)pp;
149
150 return ((p[3] << 24) | (p[2] << 16) | (p[1] << 8) | p[0]);
151}
152#endif
153
154/* http://www.sco.com/developers/gabi/latest/ch5.dynamic.html#tag_encodings */
155static const char *
156d_tags(uint64_t tag)
157{
|
158 static char unknown_buf[64];
159 |
160 switch (tag) {
|
159 case 0: return "DT_NULL";
160 case 1: return "DT_NEEDED";
161 case 2: return "DT_PLTRELSZ";
162 case 3: return "DT_PLTGOT";
163 case 4: return "DT_HASH";
164 case 5: return "DT_STRTAB";
165 case 6: return "DT_SYMTAB";
166 case 7: return "DT_RELA";
167 case 8: return "DT_RELASZ";
168 case 9: return "DT_RELAENT";
169 case 10: return "DT_STRSZ";
170 case 11: return "DT_SYMENT";
171 case 12: return "DT_INIT";
172 case 13: return "DT_FINI";
173 case 14: return "DT_SONAME";
174 case 15: return "DT_RPATH";
175 case 16: return "DT_SYMBOLIC";
176 case 17: return "DT_REL";
177 case 18: return "DT_RELSZ";
178 case 19: return "DT_RELENT";
179 case 20: return "DT_PLTREL";
180 case 21: return "DT_DEBUG";
181 case 22: return "DT_TEXTREL";
182 case 23: return "DT_JMPREL";
183 case 24: return "DT_BIND_NOW";
184 case 25: return "DT_INIT_ARRAY";
185 case 26: return "DT_FINI_ARRAY";
186 case 27: return "DT_INIT_ARRAYSZ";
187 case 28: return "DT_FINI_ARRAYSZ";
188 case 29: return "DT_RUNPATH";
189 case 30: return "DT_FLAGS";
190 case 32: return "DT_PREINIT_ARRAY"; /* XXX: DT_ENCODING */
191 case 33: return "DT_PREINIT_ARRAYSZ";
|
161 case DT_NULL: return "DT_NULL";
162 case DT_NEEDED: return "DT_NEEDED";
163 case DT_PLTRELSZ: return "DT_PLTRELSZ";
164 case DT_PLTGOT: return "DT_PLTGOT";
165 case DT_HASH: return "DT_HASH";
166 case DT_STRTAB: return "DT_STRTAB";
167 case DT_SYMTAB: return "DT_SYMTAB";
168 case DT_RELA: return "DT_RELA";
169 case DT_RELASZ: return "DT_RELASZ";
170 case DT_RELAENT: return "DT_RELAENT";
171 case DT_STRSZ: return "DT_STRSZ";
172 case DT_SYMENT: return "DT_SYMENT";
173 case DT_INIT: return "DT_INIT";
174 case DT_FINI: return "DT_FINI";
175 case DT_SONAME: return "DT_SONAME";
176 case DT_RPATH: return "DT_RPATH";
177 case DT_SYMBOLIC: return "DT_SYMBOLIC";
178 case DT_REL: return "DT_REL";
179 case DT_RELSZ: return "DT_RELSZ";
180 case DT_RELENT: return "DT_RELENT";
181 case DT_PLTREL: return "DT_PLTREL";
182 case DT_DEBUG: return "DT_DEBUG";
183 case DT_TEXTREL: return "DT_TEXTREL";
184 case DT_JMPREL: return "DT_JMPREL";
185 case DT_BIND_NOW: return "DT_BIND_NOW";
186 case DT_INIT_ARRAY: return "DT_INIT_ARRAY";
187 case DT_FINI_ARRAY: return "DT_FINI_ARRAY";
188 case DT_INIT_ARRAYSZ: return "DT_INIT_ARRAYSZ";
189 case DT_FINI_ARRAYSZ: return "DT_FINI_ARRAYSZ";
190 case DT_RUNPATH: return "DT_RUNPATH";
191 case DT_FLAGS: return "DT_FLAGS";
192 case DT_PREINIT_ARRAY: return "DT_PREINIT_ARRAY"; /* XXX DT_ENCODING */
193 case DT_PREINIT_ARRAYSZ:return "DT_PREINIT_ARRAYSZ"; |
194 /* 0x6000000D - 0x6ffff000 operating system-specific semantics */
|
193 case 0x6ffffdf5: return "DT_GNU_PRELINKED";
194 case 0x6ffffdf6: return "DT_GNU_CONFLICTSZ";
195 case 0x6ffffdf7: return "DT_GNU_LIBLISTSZ";
196 case 0x6ffffdf8: return "DT_SUNW_CHECKSUM";
197 case 0x6ffffdf9: return "DT_PLTPADSZ";
198 case 0x6ffffdfa: return "DT_MOVEENT";
199 case 0x6ffffdfb: return "DT_MOVESZ";
200 case 0x6ffffdfc: return "DT_FEATURE";
201 case 0x6ffffdfd: return "DT_POSFLAG_1";
202 case 0x6ffffdfe: return "DT_SYMINSZ";
203 case 0x6ffffdff: return "DT_SYMINENT (DT_VALRNGHI)";
204 case 0x6ffffe00: return "DT_ADDRRNGLO";
205 case 0x6ffffef5: return "DT_GNU_HASH";
206 case 0x6ffffef8: return "DT_GNU_CONFLICT";
207 case 0x6ffffef9: return "DT_GNU_LIBLIST";
208 case 0x6ffffefa: return "DT_CONFIG";
209 case 0x6ffffefb: return "DT_DEPAUDIT";
210 case 0x6ffffefc: return "DT_AUDIT";
211 case 0x6ffffefd: return "DT_PLTPAD";
212 case 0x6ffffefe: return "DT_MOVETAB";
213 case 0x6ffffeff: return "DT_SYMINFO (DT_ADDRRNGHI)";
214 case 0x6ffffff9: return "DT_RELACOUNT";
215 case 0x6ffffffa: return "DT_RELCOUNT";
216 case 0x6ffffffb: return "DT_FLAGS_1";
217 case 0x6ffffffc: return "DT_VERDEF";
218 case 0x6ffffffd: return "DT_VERDEFNUM";
219 case 0x6ffffffe: return "DT_VERNEED";
220 case 0x6fffffff: return "DT_VERNEEDNUM";
221 case 0x6ffffff0: return "DT_GNU_VERSYM";
|
195 case 0x6ffffdf5: return "DT_GNU_PRELINKED";
196 case 0x6ffffdf6: return "DT_GNU_CONFLICTSZ";
197 case 0x6ffffdf7: return "DT_GNU_LIBLISTSZ";
198 case 0x6ffffdf8: return "DT_SUNW_CHECKSUM";
199 case DT_PLTPADSZ: return "DT_PLTPADSZ";
200 case DT_MOVEENT: return "DT_MOVEENT";
201 case DT_MOVESZ: return "DT_MOVESZ";
202 case 0x6ffffdfc: return "DT_FEATURE";
203 case DT_POSFLAG_1: return "DT_POSFLAG_1";
204 case DT_SYMINSZ: return "DT_SYMINSZ";
205 case DT_SYMINENT: return "DT_SYMINENT (DT_VALRNGHI)";
206 case DT_ADDRRNGLO: return "DT_ADDRRNGLO";
207 case DT_GNU_HASH: return "DT_GNU_HASH";
208 case 0x6ffffef8: return "DT_GNU_CONFLICT";
209 case 0x6ffffef9: return "DT_GNU_LIBLIST";
210 case 0x6ffffefa: return "DT_CONFIG";
211 case 0x6ffffefb: return "DT_DEPAUDIT";
212 case 0x6ffffefc: return "DT_AUDIT";
213 case 0x6ffffefd: return "DT_PLTPAD";
214 case 0x6ffffefe: return "DT_MOVETAB";
215 case DT_SYMINFO: return "DT_SYMINFO (DT_ADDRRNGHI)";
216 case DT_RELACOUNT: return "DT_RELACOUNT";
217 case DT_RELCOUNT: return "DT_RELCOUNT";
218 case DT_FLAGS_1: return "DT_FLAGS_1";
219 case DT_VERDEF: return "DT_VERDEF";
220 case DT_VERDEFNUM: return "DT_VERDEFNUM";
221 case DT_VERNEED: return "DT_VERNEED";
222 case DT_VERNEEDNUM: return "DT_VERNEEDNUM";
223 case 0x6ffffff0: return "DT_GNU_VERSYM"; |
224 /* 0x70000000 - 0x7fffffff processor-specific semantics */
|
223 case 0x70000000: return "DT_IA_64_PLT_RESERVE";
224 case 0x7ffffffd: return "DT_SUNW_AUXILIARY";
225 case 0x7ffffffe: return "DT_SUNW_USED";
226 case 0x7fffffff: return "DT_SUNW_FILTER";
227 default: return "ERROR: TAG NOT DEFINED";
|
225 case 0x70000000: return "DT_IA_64_PLT_RESERVE";
226 case 0x7ffffffd: return "DT_SUNW_AUXILIARY";
227 case 0x7ffffffe: return "DT_SUNW_USED";
228 case 0x7fffffff: return "DT_SUNW_FILTER"; |
229 }
|
230
231 snprintf(unknown_buf, sizeof(unknown_buf),
232 "<unknown: %#llx>", (unsigned long long)tag);
233 return (unknown_buf); |
234}
235
236static const char *
237e_machines(unsigned int mach)
238{
239 static char machdesc[64];
240
241 switch (mach) {
242 case EM_NONE: return "EM_NONE";
243 case EM_M32: return "EM_M32";
244 case EM_SPARC: return "EM_SPARC";
245 case EM_386: return "EM_386";
246 case EM_68K: return "EM_68K";
247 case EM_88K: return "EM_88K";
248 case EM_IAMCU: return "EM_IAMCU";
249 case EM_860: return "EM_860";
250 case EM_MIPS: return "EM_MIPS";
251 case EM_PPC: return "EM_PPC";
252 case EM_PPC64: return "EM_PPC64";
253 case EM_ARM: return "EM_ARM";
254 case EM_ALPHA: return "EM_ALPHA (legacy)";
255 case EM_SPARCV9:return "EM_SPARCV9";
256 case EM_IA_64: return "EM_IA_64";
257 case EM_X86_64: return "EM_X86_64";
258 case EM_AARCH64:return "EM_AARCH64";
259 case EM_RISCV: return "EM_RISCV";
260 }
261 snprintf(machdesc, sizeof(machdesc),
262 "(unknown machine) -- type 0x%x", mach);
263 return (machdesc);
264}
265
266static const char *e_types[] = {
267 "ET_NONE", "ET_REL", "ET_EXEC", "ET_DYN", "ET_CORE"
268};
269
270static const char *ei_versions[] = {
271 "EV_NONE", "EV_CURRENT"
272};
273
274static const char *ei_classes[] = {
275 "ELFCLASSNONE", "ELFCLASS32", "ELFCLASS64"
276};
277
278static const char *ei_data[] = {
279 "ELFDATANONE", "ELFDATA2LSB", "ELFDATA2MSB"
280};
281
282static const char *ei_abis[256] = {
283 "ELFOSABI_NONE", "ELFOSABI_HPUX", "ELFOSABI_NETBSD", "ELFOSABI_LINUX",
284 "ELFOSABI_HURD", "ELFOSABI_86OPEN", "ELFOSABI_SOLARIS", "ELFOSABI_AIX",
285 "ELFOSABI_IRIX", "ELFOSABI_FREEBSD", "ELFOSABI_TRU64",
286 "ELFOSABI_MODESTO", "ELFOSABI_OPENBSD",
287 [255] = "ELFOSABI_STANDALONE"
288};
289
290static const char *p_types[] = {
291 "PT_NULL", "PT_LOAD", "PT_DYNAMIC", "PT_INTERP", "PT_NOTE",
292 "PT_SHLIB", "PT_PHDR", "PT_TLS"
293};
294
295static const char *p_flags[] = {
296 "", "PF_X", "PF_W", "PF_X|PF_W", "PF_R", "PF_X|PF_R", "PF_W|PF_R",
297 "PF_X|PF_W|PF_R"
298};
299
300static const char *
301sh_name(struct elfdump *ed, int ndx)
302{
303 static char num[10];
304
305 switch (ndx) {
306 case SHN_UNDEF: return "UNDEF";
307 case SHN_ABS: return "ABS";
308 case SHN_COMMON: return "COMMON";
309 default:
310 if ((uint64_t)ndx < ed->shnum)
311 return (ed->sl[ndx].name);
312 else {
313 snprintf(num, sizeof(num), "%d", ndx);
314 return (num);
315 }
316 }
317}
318
319/* http://www.sco.com/developers/gabi/latest/ch4.sheader.html#sh_type */
320static const char *
|
316sh_types(u_int64_t sht) {
317 switch (sht) {
318 case 0: return "SHT_NULL";
319 case 1: return "SHT_PROGBITS";
320 case 2: return "SHT_SYMTAB";
321 case 3: return "SHT_STRTAB";
322 case 4: return "SHT_RELA";
323 case 5: return "SHT_HASH";
324 case 6: return "SHT_DYNAMIC";
325 case 7: return "SHT_NOTE";
326 case 8: return "SHT_NOBITS";
327 case 9: return "SHT_REL";
328 case 10: return "SHT_SHLIB";
329 case 11: return "SHT_DYNSYM";
330 case 14: return "SHT_INIT_ARRAY";
331 case 15: return "SHT_FINI_ARRAY";
332 case 16: return "SHT_PREINIT_ARRAY";
333 case 17: return "SHT_GROUP";
334 case 18: return "SHT_SYMTAB_SHNDX";
335 /* 0x60000000 - 0x6fffffff operating system-specific semantics */
336 case 0x6ffffff0: return "XXX:VERSYM";
337 case 0x6ffffff4: return "SHT_SUNW_dof";
338 case 0x6ffffff6: return "SHT_GNU_HASH";
339 case 0x6ffffff7: return "SHT_GNU_LIBLIST";
340 case 0x6ffffffc: return "XXX:VERDEF";
341 case 0x6ffffffd: return "SHT_SUNW(GNU)_verdef";
342 case 0x6ffffffe: return "SHT_SUNW(GNU)_verneed";
343 case 0x6fffffff: return "SHT_SUNW(GNU)_versym";
344 /* 0x70000000 - 0x7fffffff processor-specific semantics */
345 case 0x70000000: return "SHT_IA_64_EXT";
346 case 0x70000001: return "SHT_IA_64_UNWIND";
347 case 0x7ffffffd: return "XXX:AUXILIARY";
348 case 0x7fffffff: return "XXX:FILTER";
349 /* 0x80000000 - 0xffffffff application programs */
350 default: return "ERROR: SHT NOT DEFINED";
|
321sh_types(uint64_t mach, uint64_t sht) {
322 static char unknown_buf[64];
323
324 if (sht < 0x60000000) {
325 switch (sht) {
326 case SHT_NULL: return "SHT_NULL";
327 case SHT_PROGBITS: return "SHT_PROGBITS";
328 case SHT_SYMTAB: return "SHT_SYMTAB";
329 case SHT_STRTAB: return "SHT_STRTAB";
330 case SHT_RELA: return "SHT_RELA";
331 case SHT_HASH: return "SHT_HASH";
332 case SHT_DYNAMIC: return "SHT_DYNAMIC";
333 case SHT_NOTE: return "SHT_NOTE";
334 case SHT_NOBITS: return "SHT_NOBITS";
335 case SHT_REL: return "SHT_REL";
336 case SHT_SHLIB: return "SHT_SHLIB";
337 case SHT_DYNSYM: return "SHT_DYNSYM";
338 case SHT_INIT_ARRAY: return "SHT_INIT_ARRAY";
339 case SHT_FINI_ARRAY: return "SHT_FINI_ARRAY";
340 case SHT_PREINIT_ARRAY: return "SHT_PREINIT_ARRAY";
341 case SHT_GROUP: return "SHT_GROUP";
342 case SHT_SYMTAB_SHNDX: return "SHT_SYMTAB_SHNDX";
343 }
344 } else if (sht < 0x70000000) {
345 /* 0x60000000-0x6fffffff operating system-specific semantics */
346 switch (sht) {
347 case 0x6ffffff0: return "XXX:VERSYM";
348 case SHT_SUNW_dof: return "SHT_SUNW_dof";
349 case SHT_GNU_HASH: return "SHT_GNU_HASH";
350 case 0x6ffffff7: return "SHT_GNU_LIBLIST";
351 case 0x6ffffffc: return "XXX:VERDEF";
352 case SHT_SUNW_verdef: return "SHT_SUNW(GNU)_verdef";
353 case SHT_SUNW_verneed: return "SHT_SUNW(GNU)_verneed";
354 case SHT_SUNW_versym: return "SHT_SUNW(GNU)_versym";
355 }
356 } else if (sht < 0x80000000) {
357 /* 0x70000000 - 0x7fffffff processor-specific semantics */
358 switch (mach) {
359 case EM_ARM:
360 switch (sht) {
361 case SHT_ARM_EXIDX: return "SHT_ARM_EXIDX";
362 case SHT_ARM_PREEMPTMAP: return "SHT_ARM_PREEMPTMAP";
363 case SHT_ARM_ATTRIBUTES: return "SHT_ARM_ATTRIBUTES";
364 case SHT_ARM_DEBUGOVERLAY:
365 return "SHT_ARM_DEBUGOVERLAY";
366 case SHT_ARM_OVERLAYSECTION:
367 return "SHT_ARM_OVERLAYSECTION";
368 }
369 break;
370 case EM_IA_64:
371 switch (sht) {
372 case 0x70000000: return "SHT_IA_64_EXT";
373 case 0x70000001: return "SHT_IA_64_UNWIND";
374 }
375 break;
376 case EM_MIPS:
377 switch (sht) {
378 case SHT_MIPS_REGINFO: return "SHT_MIPS_REGINFO";
379 case SHT_MIPS_OPTIONS: return "SHT_MIPS_OPTIONS";
380 case SHT_MIPS_ABIFLAGS: return "SHT_MIPS_ABIFLAGS";
381 }
382 break;
383 }
384 switch (sht) {
385 case 0x7ffffffd: return "XXX:AUXILIARY";
386 case 0x7fffffff: return "XXX:FILTER";
387 } |
388 }
|
389 /* 0x80000000 - 0xffffffff application programs */
390
391 snprintf(unknown_buf, sizeof(unknown_buf),
392 "<unknown: %#llx>", (unsigned long long)sht);
393 return (unknown_buf); |
394}
395
396/*
397 * Define known section flags. These flags are defined in the order
398 * they are to be printed out.
399 */
400#define DEFINE_SHFLAGS() \
401 DEFINE_SHF(WRITE) \
402 DEFINE_SHF(ALLOC) \
403 DEFINE_SHF(EXECINSTR) \
404 DEFINE_SHF(MERGE) \
405 DEFINE_SHF(STRINGS) \
406 DEFINE_SHF(INFO_LINK) \
407 DEFINE_SHF(LINK_ORDER) \
408 DEFINE_SHF(OS_NONCONFORMING) \
409 DEFINE_SHF(GROUP) \
410 DEFINE_SHF(TLS)
411
412#undef DEFINE_SHF
413#define DEFINE_SHF(F) "SHF_" #F "|"
414#define ALLSHFLAGS DEFINE_SHFLAGS()
415
416static const char *
417sh_flags(uint64_t shf)
418{
419 static char flg[sizeof(ALLSHFLAGS)+1];
420
421 flg[0] = '\0';
422
423#undef DEFINE_SHF
424#define DEFINE_SHF(N) \
425 if (shf & SHF_##N) \
426 strcat(flg, "SHF_" #N "|"); \
427
428 DEFINE_SHFLAGS()
429
430 flg[strlen(flg) - 1] = '\0'; /* Remove the trailing "|". */
431
432 return (flg);
433}
434
|
393static const char *st_types[] = {
394 "STT_NOTYPE", "STT_OBJECT", "STT_FUNC", "STT_SECTION", "STT_FILE",
395 "STT_COMMON", "STT_TLS"
396};
|
435static const char *
436st_type(unsigned int mach, unsigned int type)
437{
438 static char s_type[32]; |
439
|
398static const char *st_types_S[] = {
399 "NOTY", "OBJT", "FUNC", "SECT", "FILE"
400};
|
440 switch (type) {
441 case STT_NOTYPE: return "STT_NOTYPE";
442 case STT_OBJECT: return "STT_OBJECT";
443 case STT_FUNC: return "STT_FUNC";
444 case STT_SECTION: return "STT_SECTION";
445 case STT_FILE: return "STT_FILE";
446 case STT_COMMON: return "STT_COMMON";
447 case STT_TLS: return "STT_TLS";
448 case 13:
449 if (mach == EM_SPARCV9)
450 return "STT_SPARC_REGISTER";
451 break;
452 }
453 snprintf(s_type, sizeof(s_type), "<unknown: %#x>", type);
454 return (s_type);
455} |
456
|
402static const char *st_bindings[] = {
403 "STB_LOCAL", "STB_GLOBAL", "STB_WEAK"
404};
|
457static const char *
458st_type_S(unsigned int type)
459{
460 static char s_type[32]; |
461
|
406static const char *st_bindings_S[] = {
407 "LOCL", "GLOB", "WEAK"
408};
|
462 switch (type) {
463 case STT_NOTYPE: return "NOTY";
464 case STT_OBJECT: return "OBJT";
465 case STT_FUNC: return "FUNC";
466 case STT_SECTION: return "SECT";
467 case STT_FILE: return "FILE";
468 }
469 snprintf(s_type, sizeof(s_type), "<unknown: %#x>", type);
470 return (s_type);
471} |
472
|
473static const char *
474st_bindings(unsigned int sbind)
475{
476 static char s_sbind[32];
477
478 switch (sbind) {
479 case STB_LOCAL: return "STB_LOCAL";
480 case STB_GLOBAL: return "STB_GLOBAL";
481 case STB_WEAK: return "STB_WEAK";
482 case STB_GNU_UNIQUE: return "STB_GNU_UNIQUE";
483 default:
484 if (sbind >= STB_LOOS && sbind <= STB_HIOS)
485 return "OS";
486 else if (sbind >= STB_LOPROC && sbind <= STB_HIPROC)
487 return "PROC";
488 else
489 snprintf(s_sbind, sizeof(s_sbind), "<unknown: %#x>",
490 sbind);
491 return (s_sbind);
492 }
493}
494
495static const char *
496st_bindings_S(unsigned int sbind)
497{
498 static char s_sbind[32];
499
500 switch (sbind) {
501 case STB_LOCAL: return "LOCL";
502 case STB_GLOBAL: return "GLOB";
503 case STB_WEAK: return "WEAK";
504 case STB_GNU_UNIQUE: return "UNIQ";
505 default:
506 if (sbind >= STB_LOOS && sbind <= STB_HIOS)
507 return "OS";
508 else if (sbind >= STB_LOPROC && sbind <= STB_HIPROC)
509 return "PROC";
510 else
511 snprintf(s_sbind, sizeof(s_sbind), "<%#x>",
512 sbind);
513 return (s_sbind);
514 }
515}
516 |
517static unsigned char st_others[] = {
518 'D', 'I', 'H', 'P'
519};
520
521static const char *
522r_type(unsigned int mach, unsigned int type)
523{
524 switch(mach) {
525 case EM_NONE: return "";
526 case EM_386:
527 case EM_IAMCU:
528 switch(type) {
529 case 0: return "R_386_NONE";
530 case 1: return "R_386_32";
531 case 2: return "R_386_PC32";
532 case 3: return "R_386_GOT32";
533 case 4: return "R_386_PLT32";
534 case 5: return "R_386_COPY";
535 case 6: return "R_386_GLOB_DAT";
|
429 case 7: return "R_386_JMP_SLOT";
|
| 536 case 7: return "R_386_JUMP_SLOT"; |
537 case 8: return "R_386_RELATIVE";
538 case 9: return "R_386_GOTOFF";
539 case 10: return "R_386_GOTPC";
540 case 14: return "R_386_TLS_TPOFF";
541 case 15: return "R_386_TLS_IE";
542 case 16: return "R_386_TLS_GOTIE";
543 case 17: return "R_386_TLS_LE";
544 case 18: return "R_386_TLS_GD";
545 case 19: return "R_386_TLS_LDM";
546 case 24: return "R_386_TLS_GD_32";
547 case 25: return "R_386_TLS_GD_PUSH";
548 case 26: return "R_386_TLS_GD_CALL";
549 case 27: return "R_386_TLS_GD_POP";
550 case 28: return "R_386_TLS_LDM_32";
551 case 29: return "R_386_TLS_LDM_PUSH";
552 case 30: return "R_386_TLS_LDM_CALL";
553 case 31: return "R_386_TLS_LDM_POP";
554 case 32: return "R_386_TLS_LDO_32";
555 case 33: return "R_386_TLS_IE_32";
556 case 34: return "R_386_TLS_LE_32";
557 case 35: return "R_386_TLS_DTPMOD32";
558 case 36: return "R_386_TLS_DTPOFF32";
559 case 37: return "R_386_TLS_TPOFF32";
560 default: return "";
561 }
562 case EM_ARM:
563 switch(type) {
564 case 0: return "R_ARM_NONE";
565 case 1: return "R_ARM_PC24";
566 case 2: return "R_ARM_ABS32";
567 case 3: return "R_ARM_REL32";
568 case 4: return "R_ARM_PC13";
569 case 5: return "R_ARM_ABS16";
570 case 6: return "R_ARM_ABS12";
571 case 7: return "R_ARM_THM_ABS5";
572 case 8: return "R_ARM_ABS8";
573 case 9: return "R_ARM_SBREL32";
574 case 10: return "R_ARM_THM_PC22";
575 case 11: return "R_ARM_THM_PC8";
576 case 12: return "R_ARM_AMP_VCALL9";
577 case 13: return "R_ARM_SWI24";
578 case 14: return "R_ARM_THM_SWI8";
579 case 15: return "R_ARM_XPC25";
580 case 16: return "R_ARM_THM_XPC22";
581 case 20: return "R_ARM_COPY";
582 case 21: return "R_ARM_GLOB_DAT";
583 case 22: return "R_ARM_JUMP_SLOT";
584 case 23: return "R_ARM_RELATIVE";
585 case 24: return "R_ARM_GOTOFF";
586 case 25: return "R_ARM_GOTPC";
587 case 26: return "R_ARM_GOT32";
588 case 27: return "R_ARM_PLT32";
589 case 100: return "R_ARM_GNU_VTENTRY";
590 case 101: return "R_ARM_GNU_VTINHERIT";
591 case 250: return "R_ARM_RSBREL32";
592 case 251: return "R_ARM_THM_RPC22";
593 case 252: return "R_ARM_RREL32";
594 case 253: return "R_ARM_RABS32";
595 case 254: return "R_ARM_RPC24";
596 case 255: return "R_ARM_RBASE";
597 default: return "";
598 }
599 case EM_IA_64:
600 switch(type) {
601 case 0: return "R_IA_64_NONE";
602 case 33: return "R_IA_64_IMM14";
603 case 34: return "R_IA_64_IMM22";
604 case 35: return "R_IA_64_IMM64";
605 case 36: return "R_IA_64_DIR32MSB";
606 case 37: return "R_IA_64_DIR32LSB";
607 case 38: return "R_IA_64_DIR64MSB";
608 case 39: return "R_IA_64_DIR64LSB";
609 case 42: return "R_IA_64_GPREL22";
610 case 43: return "R_IA_64_GPREL64I";
611 case 44: return "R_IA_64_GPREL32MSB";
612 case 45: return "R_IA_64_GPREL32LSB";
613 case 46: return "R_IA_64_GPREL64MSB";
614 case 47: return "R_IA_64_GPREL64LSB";
615 case 50: return "R_IA_64_LTOFF22";
616 case 51: return "R_IA_64_LTOFF64I";
617 case 58: return "R_IA_64_PLTOFF22";
618 case 59: return "R_IA_64_PLTOFF64I";
619 case 62: return "R_IA_64_PLTOFF64MSB";
620 case 63: return "R_IA_64_PLTOFF64LSB";
621 case 67: return "R_IA_64_FPTR64I";
622 case 68: return "R_IA_64_FPTR32MSB";
623 case 69: return "R_IA_64_FPTR32LSB";
624 case 70: return "R_IA_64_FPTR64MSB";
625 case 71: return "R_IA_64_FPTR64LSB";
626 case 72: return "R_IA_64_PCREL60B";
627 case 73: return "R_IA_64_PCREL21B";
628 case 74: return "R_IA_64_PCREL21M";
629 case 75: return "R_IA_64_PCREL21F";
630 case 76: return "R_IA_64_PCREL32MSB";
631 case 77: return "R_IA_64_PCREL32LSB";
632 case 78: return "R_IA_64_PCREL64MSB";
633 case 79: return "R_IA_64_PCREL64LSB";
634 case 82: return "R_IA_64_LTOFF_FPTR22";
635 case 83: return "R_IA_64_LTOFF_FPTR64I";
636 case 84: return "R_IA_64_LTOFF_FPTR32MSB";
637 case 85: return "R_IA_64_LTOFF_FPTR32LSB";
638 case 86: return "R_IA_64_LTOFF_FPTR64MSB";
639 case 87: return "R_IA_64_LTOFF_FPTR64LSB";
640 case 92: return "R_IA_64_SEGREL32MSB";
641 case 93: return "R_IA_64_SEGREL32LSB";
642 case 94: return "R_IA_64_SEGREL64MSB";
643 case 95: return "R_IA_64_SEGREL64LSB";
644 case 100: return "R_IA_64_SECREL32MSB";
645 case 101: return "R_IA_64_SECREL32LSB";
646 case 102: return "R_IA_64_SECREL64MSB";
647 case 103: return "R_IA_64_SECREL64LSB";
648 case 108: return "R_IA_64_REL32MSB";
649 case 109: return "R_IA_64_REL32LSB";
650 case 110: return "R_IA_64_REL64MSB";
651 case 111: return "R_IA_64_REL64LSB";
652 case 116: return "R_IA_64_LTV32MSB";
653 case 117: return "R_IA_64_LTV32LSB";
654 case 118: return "R_IA_64_LTV64MSB";
655 case 119: return "R_IA_64_LTV64LSB";
656 case 121: return "R_IA_64_PCREL21BI";
657 case 122: return "R_IA_64_PCREL22";
658 case 123: return "R_IA_64_PCREL64I";
659 case 128: return "R_IA_64_IPLTMSB";
660 case 129: return "R_IA_64_IPLTLSB";
661 case 133: return "R_IA_64_SUB";
662 case 134: return "R_IA_64_LTOFF22X";
663 case 135: return "R_IA_64_LDXMOV";
664 case 145: return "R_IA_64_TPREL14";
665 case 146: return "R_IA_64_TPREL22";
666 case 147: return "R_IA_64_TPREL64I";
667 case 150: return "R_IA_64_TPREL64MSB";
668 case 151: return "R_IA_64_TPREL64LSB";
669 case 154: return "R_IA_64_LTOFF_TPREL22";
670 case 166: return "R_IA_64_DTPMOD64MSB";
671 case 167: return "R_IA_64_DTPMOD64LSB";
672 case 170: return "R_IA_64_LTOFF_DTPMOD22";
673 case 177: return "R_IA_64_DTPREL14";
674 case 178: return "R_IA_64_DTPREL22";
675 case 179: return "R_IA_64_DTPREL64I";
676 case 180: return "R_IA_64_DTPREL32MSB";
677 case 181: return "R_IA_64_DTPREL32LSB";
678 case 182: return "R_IA_64_DTPREL64MSB";
679 case 183: return "R_IA_64_DTPREL64LSB";
680 case 186: return "R_IA_64_LTOFF_DTPREL22";
681 default: return "";
682 }
683 case EM_MIPS:
684 switch(type) {
685 case 0: return "R_MIPS_NONE";
686 case 1: return "R_MIPS_16";
687 case 2: return "R_MIPS_32";
688 case 3: return "R_MIPS_REL32";
689 case 4: return "R_MIPS_26";
690 case 5: return "R_MIPS_HI16";
691 case 6: return "R_MIPS_LO16";
692 case 7: return "R_MIPS_GPREL16";
693 case 8: return "R_MIPS_LITERAL";
694 case 9: return "R_MIPS_GOT16";
695 case 10: return "R_MIPS_PC16";
696 case 11: return "R_MIPS_CALL16";
697 case 12: return "R_MIPS_GPREL32";
698 case 21: return "R_MIPS_GOTHI16";
699 case 22: return "R_MIPS_GOTLO16";
700 case 30: return "R_MIPS_CALLHI16";
701 case 31: return "R_MIPS_CALLLO16";
702 default: return "";
703 }
704 case EM_PPC:
705 switch(type) {
706 case 0: return "R_PPC_NONE";
707 case 1: return "R_PPC_ADDR32";
708 case 2: return "R_PPC_ADDR24";
709 case 3: return "R_PPC_ADDR16";
710 case 4: return "R_PPC_ADDR16_LO";
711 case 5: return "R_PPC_ADDR16_HI";
712 case 6: return "R_PPC_ADDR16_HA";
713 case 7: return "R_PPC_ADDR14";
714 case 8: return "R_PPC_ADDR14_BRTAKEN";
715 case 9: return "R_PPC_ADDR14_BRNTAKEN";
716 case 10: return "R_PPC_REL24";
717 case 11: return "R_PPC_REL14";
718 case 12: return "R_PPC_REL14_BRTAKEN";
719 case 13: return "R_PPC_REL14_BRNTAKEN";
720 case 14: return "R_PPC_GOT16";
721 case 15: return "R_PPC_GOT16_LO";
722 case 16: return "R_PPC_GOT16_HI";
723 case 17: return "R_PPC_GOT16_HA";
724 case 18: return "R_PPC_PLTREL24";
725 case 19: return "R_PPC_COPY";
726 case 20: return "R_PPC_GLOB_DAT";
727 case 21: return "R_PPC_JMP_SLOT";
728 case 22: return "R_PPC_RELATIVE";
729 case 23: return "R_PPC_LOCAL24PC";
730 case 24: return "R_PPC_UADDR32";
731 case 25: return "R_PPC_UADDR16";
732 case 26: return "R_PPC_REL32";
733 case 27: return "R_PPC_PLT32";
734 case 28: return "R_PPC_PLTREL32";
735 case 29: return "R_PPC_PLT16_LO";
736 case 30: return "R_PPC_PLT16_HI";
737 case 31: return "R_PPC_PLT16_HA";
738 case 32: return "R_PPC_SDAREL16";
739 case 33: return "R_PPC_SECTOFF";
740 case 34: return "R_PPC_SECTOFF_LO";
741 case 35: return "R_PPC_SECTOFF_HI";
742 case 36: return "R_PPC_SECTOFF_HA";
743 case 67: return "R_PPC_TLS";
744 case 68: return "R_PPC_DTPMOD32";
745 case 69: return "R_PPC_TPREL16";
746 case 70: return "R_PPC_TPREL16_LO";
747 case 71: return "R_PPC_TPREL16_HI";
748 case 72: return "R_PPC_TPREL16_HA";
749 case 73: return "R_PPC_TPREL32";
750 case 74: return "R_PPC_DTPREL16";
751 case 75: return "R_PPC_DTPREL16_LO";
752 case 76: return "R_PPC_DTPREL16_HI";
753 case 77: return "R_PPC_DTPREL16_HA";
754 case 78: return "R_PPC_DTPREL32";
755 case 79: return "R_PPC_GOT_TLSGD16";
756 case 80: return "R_PPC_GOT_TLSGD16_LO";
757 case 81: return "R_PPC_GOT_TLSGD16_HI";
758 case 82: return "R_PPC_GOT_TLSGD16_HA";
759 case 83: return "R_PPC_GOT_TLSLD16";
760 case 84: return "R_PPC_GOT_TLSLD16_LO";
761 case 85: return "R_PPC_GOT_TLSLD16_HI";
762 case 86: return "R_PPC_GOT_TLSLD16_HA";
763 case 87: return "R_PPC_GOT_TPREL16";
764 case 88: return "R_PPC_GOT_TPREL16_LO";
765 case 89: return "R_PPC_GOT_TPREL16_HI";
766 case 90: return "R_PPC_GOT_TPREL16_HA";
767 case 101: return "R_PPC_EMB_NADDR32";
768 case 102: return "R_PPC_EMB_NADDR16";
769 case 103: return "R_PPC_EMB_NADDR16_LO";
770 case 104: return "R_PPC_EMB_NADDR16_HI";
771 case 105: return "R_PPC_EMB_NADDR16_HA";
772 case 106: return "R_PPC_EMB_SDAI16";
773 case 107: return "R_PPC_EMB_SDA2I16";
774 case 108: return "R_PPC_EMB_SDA2REL";
775 case 109: return "R_PPC_EMB_SDA21";
776 case 110: return "R_PPC_EMB_MRKREF";
777 case 111: return "R_PPC_EMB_RELSEC16";
778 case 112: return "R_PPC_EMB_RELST_LO";
779 case 113: return "R_PPC_EMB_RELST_HI";
780 case 114: return "R_PPC_EMB_RELST_HA";
781 case 115: return "R_PPC_EMB_BIT_FLD";
782 case 116: return "R_PPC_EMB_RELSDA";
783 default: return "";
784 }
785 case EM_SPARC:
786 case EM_SPARCV9:
787 switch(type) {
788 case 0: return "R_SPARC_NONE";
789 case 1: return "R_SPARC_8";
790 case 2: return "R_SPARC_16";
791 case 3: return "R_SPARC_32";
792 case 4: return "R_SPARC_DISP8";
793 case 5: return "R_SPARC_DISP16";
794 case 6: return "R_SPARC_DISP32";
795 case 7: return "R_SPARC_WDISP30";
796 case 8: return "R_SPARC_WDISP22";
797 case 9: return "R_SPARC_HI22";
798 case 10: return "R_SPARC_22";
799 case 11: return "R_SPARC_13";
800 case 12: return "R_SPARC_LO10";
801 case 13: return "R_SPARC_GOT10";
802 case 14: return "R_SPARC_GOT13";
803 case 15: return "R_SPARC_GOT22";
804 case 16: return "R_SPARC_PC10";
805 case 17: return "R_SPARC_PC22";
806 case 18: return "R_SPARC_WPLT30";
807 case 19: return "R_SPARC_COPY";
808 case 20: return "R_SPARC_GLOB_DAT";
809 case 21: return "R_SPARC_JMP_SLOT";
810 case 22: return "R_SPARC_RELATIVE";
811 case 23: return "R_SPARC_UA32";
812 case 24: return "R_SPARC_PLT32";
813 case 25: return "R_SPARC_HIPLT22";
814 case 26: return "R_SPARC_LOPLT10";
815 case 27: return "R_SPARC_PCPLT32";
816 case 28: return "R_SPARC_PCPLT22";
817 case 29: return "R_SPARC_PCPLT10";
818 case 30: return "R_SPARC_10";
819 case 31: return "R_SPARC_11";
820 case 32: return "R_SPARC_64";
821 case 33: return "R_SPARC_OLO10";
822 case 34: return "R_SPARC_HH22";
823 case 35: return "R_SPARC_HM10";
824 case 36: return "R_SPARC_LM22";
825 case 37: return "R_SPARC_PC_HH22";
826 case 38: return "R_SPARC_PC_HM10";
827 case 39: return "R_SPARC_PC_LM22";
828 case 40: return "R_SPARC_WDISP16";
829 case 41: return "R_SPARC_WDISP19";
830 case 42: return "R_SPARC_GLOB_JMP";
831 case 43: return "R_SPARC_7";
832 case 44: return "R_SPARC_5";
833 case 45: return "R_SPARC_6";
834 case 46: return "R_SPARC_DISP64";
835 case 47: return "R_SPARC_PLT64";
836 case 48: return "R_SPARC_HIX22";
837 case 49: return "R_SPARC_LOX10";
838 case 50: return "R_SPARC_H44";
839 case 51: return "R_SPARC_M44";
840 case 52: return "R_SPARC_L44";
841 case 53: return "R_SPARC_REGISTER";
842 case 54: return "R_SPARC_UA64";
843 case 55: return "R_SPARC_UA16";
844 case 56: return "R_SPARC_TLS_GD_HI22";
845 case 57: return "R_SPARC_TLS_GD_LO10";
846 case 58: return "R_SPARC_TLS_GD_ADD";
847 case 59: return "R_SPARC_TLS_GD_CALL";
848 case 60: return "R_SPARC_TLS_LDM_HI22";
849 case 61: return "R_SPARC_TLS_LDM_LO10";
850 case 62: return "R_SPARC_TLS_LDM_ADD";
851 case 63: return "R_SPARC_TLS_LDM_CALL";
852 case 64: return "R_SPARC_TLS_LDO_HIX22";
853 case 65: return "R_SPARC_TLS_LDO_LOX10";
854 case 66: return "R_SPARC_TLS_LDO_ADD";
855 case 67: return "R_SPARC_TLS_IE_HI22";
856 case 68: return "R_SPARC_TLS_IE_LO10";
857 case 69: return "R_SPARC_TLS_IE_LD";
858 case 70: return "R_SPARC_TLS_IE_LDX";
859 case 71: return "R_SPARC_TLS_IE_ADD";
860 case 72: return "R_SPARC_TLS_LE_HIX22";
861 case 73: return "R_SPARC_TLS_LE_LOX10";
862 case 74: return "R_SPARC_TLS_DTPMOD32";
863 case 75: return "R_SPARC_TLS_DTPMOD64";
864 case 76: return "R_SPARC_TLS_DTPOFF32";
865 case 77: return "R_SPARC_TLS_DTPOFF64";
866 case 78: return "R_SPARC_TLS_TPOFF32";
867 case 79: return "R_SPARC_TLS_TPOFF64";
868 default: return "";
869 }
870 case EM_X86_64:
871 switch(type) {
872 case 0: return "R_X86_64_NONE";
873 case 1: return "R_X86_64_64";
874 case 2: return "R_X86_64_PC32";
875 case 3: return "R_X86_64_GOT32";
876 case 4: return "R_X86_64_PLT32";
877 case 5: return "R_X86_64_COPY";
878 case 6: return "R_X86_64_GLOB_DAT";
|
772 case 7: return "R_X86_64_JMP_SLOT";
|
| 879 case 7: return "R_X86_64_JUMP_SLOT"; |
880 case 8: return "R_X86_64_RELATIVE";
881 case 9: return "R_X86_64_GOTPCREL";
882 case 10: return "R_X86_64_32";
883 case 11: return "R_X86_64_32S";
884 case 12: return "R_X86_64_16";
885 case 13: return "R_X86_64_PC16";
886 case 14: return "R_X86_64_8";
887 case 15: return "R_X86_64_PC8";
888 case 16: return "R_X86_64_DTPMOD64";
889 case 17: return "R_X86_64_DTPOFF64";
890 case 18: return "R_X86_64_TPOFF64";
891 case 19: return "R_X86_64_TLSGD";
892 case 20: return "R_X86_64_TLSLD";
893 case 21: return "R_X86_64_DTPOFF32";
894 case 22: return "R_X86_64_GOTTPOFF";
895 case 23: return "R_X86_64_TPOFF32";
896 default: return "";
897 }
898 default: return "";
899 }
900}
901
902static void add_name(struct elfdump *ed, const char *name);
903static void elf_print_object(struct elfdump *ed);
904static void elf_print_elf(struct elfdump *ed);
905static void elf_print_ehdr(struct elfdump *ed);
906static void elf_print_phdr(struct elfdump *ed);
907static void elf_print_shdr(struct elfdump *ed);
908static void elf_print_symtab(struct elfdump *ed, int i);
909static void elf_print_symtabs(struct elfdump *ed);
910static void elf_print_symver(struct elfdump *ed);
911static void elf_print_verdef(struct elfdump *ed, struct section *s);
912static void elf_print_verneed(struct elfdump *ed, struct section *s);
913static void elf_print_interp(struct elfdump *ed);
914static void elf_print_dynamic(struct elfdump *ed);
915static void elf_print_rel_entry(struct elfdump *ed, struct section *s,
916 int j, struct rel_entry *r);
917static void elf_print_rela(struct elfdump *ed, struct section *s,
918 Elf_Data *data);
919static void elf_print_rel(struct elfdump *ed, struct section *s,
920 Elf_Data *data);
921static void elf_print_reloc(struct elfdump *ed);
922static void elf_print_got(struct elfdump *ed);
923static void elf_print_got_section(struct elfdump *ed, struct section *s);
924static void elf_print_note(struct elfdump *ed);
925static void elf_print_svr4_hash(struct elfdump *ed, struct section *s);
926static void elf_print_svr4_hash64(struct elfdump *ed, struct section *s);
927static void elf_print_gnu_hash(struct elfdump *ed, struct section *s);
928static void elf_print_hash(struct elfdump *ed);
929static void elf_print_checksum(struct elfdump *ed);
930static void find_gotrel(struct elfdump *ed, struct section *gs,
931 struct rel_entry *got);
932static struct spec_name *find_name(struct elfdump *ed, const char *name);
933static int get_ent_count(const struct section *s, int *ent_count);
934static const char *get_symbol_name(struct elfdump *ed, int symtab, int i);
935static const char *get_string(struct elfdump *ed, int strtab, size_t off);
936static void get_versym(struct elfdump *ed, int i, uint16_t **vs, int *nvs);
937static void load_sections(struct elfdump *ed);
938static void unload_sections(struct elfdump *ed);
939static void usage(void);
940#ifdef USE_LIBARCHIVE_AR
941static int ac_detect_ar(int fd);
942static void ac_print_ar(struct elfdump *ed, int fd);
943#else
944static void elf_print_ar(struct elfdump *ed, int fd);
945#endif /* USE_LIBARCHIVE_AR */
946
947static struct option elfdump_longopts[] =
948{
949 { "help", no_argument, NULL, 'H' },
950 { "version", no_argument, NULL, 'V' },
951 { NULL, 0, NULL, 0 }
952};
953
954int
955main(int ac, char **av)
956{
957 struct elfdump *ed, ed_storage;
958 struct spec_name *sn;
959 int ch, i;
960
961 ed = &ed_storage;
962 memset(ed, 0, sizeof(*ed));
963 STAILQ_INIT(&ed->snl);
964 ed->out = stdout;
965 while ((ch = getopt_long(ac, av, "acdeiGHhknN:prsSvVw:",
966 elfdump_longopts, NULL)) != -1)
967 switch (ch) {
968 case 'a':
969 ed->options = ED_ALL;
970 break;
971 case 'c':
972 ed->options |= ED_SHDR;
973 break;
974 case 'd':
975 ed->options |= ED_DYN;
976 break;
977 case 'e':
978 ed->options |= ED_EHDR;
979 break;
980 case 'i':
981 ed->options |= ED_INTERP;
982 break;
983 case 'G':
984 ed->options |= ED_GOT;
985 break;
986 case 'h':
987 ed->options |= ED_HASH;
988 break;
989 case 'k':
990 ed->options |= ED_CHECKSUM;
991 break;
992 case 'n':
993 ed->options |= ED_NOTE;
994 break;
995 case 'N':
996 add_name(ed, optarg);
997 break;
998 case 'p':
999 ed->options |= ED_PHDR;
1000 break;
1001 case 'r':
1002 ed->options |= ED_REL;
1003 break;
1004 case 's':
1005 ed->options |= ED_SYMTAB;
1006 break;
1007 case 'S':
1008 ed->flags |= SOLARIS_FMT;
1009 break;
1010 case 'v':
1011 ed->options |= ED_SYMVER;
1012 break;
1013 case 'V':
1014 (void) printf("%s (%s)\n", ELFTC_GETPROGNAME(),
1015 elftc_version());
1016 exit(EXIT_SUCCESS);
1017 break;
1018 case 'w':
1019 if ((ed->out = fopen(optarg, "w")) == NULL)
1020 err(EXIT_FAILURE, "%s", optarg);
1021 break;
1022 case '?':
1023 case 'H':
1024 default:
1025 usage();
1026 }
1027
1028 ac -= optind;
1029 av += optind;
1030
1031 if (ed->options == 0)
1032 ed->options = ED_ALL;
1033 sn = NULL;
1034 if (ed->options & ED_SYMTAB &&
1035 (STAILQ_EMPTY(&ed->snl) || (sn = find_name(ed, "ARSYM")) != NULL)) {
1036 ed->flags |= PRINT_ARSYM;
1037 if (sn != NULL) {
1038 STAILQ_REMOVE(&ed->snl, sn, spec_name, sn_list);
1039 if (STAILQ_EMPTY(&ed->snl))
1040 ed->flags |= ONLY_ARSYM;
1041 }
1042 }
1043 if (ac == 0)
1044 usage();
1045 if (ac > 1)
1046 ed->flags |= PRINT_FILENAME;
1047 if (elf_version(EV_CURRENT) == EV_NONE)
1048 errx(EXIT_FAILURE, "ELF library initialization failed: %s",
1049 elf_errmsg(-1));
1050
1051 for (i = 0; i < ac; i++) {
1052 ed->filename = av[i];
1053 ed->archive = NULL;
1054 elf_print_object(ed);
1055 }
1056
1057 exit(EXIT_SUCCESS);
1058}
1059
1060#ifdef USE_LIBARCHIVE_AR
1061
1062/* Archive symbol table entry. */
1063struct arsym_entry {
1064 char *sym_name;
1065 size_t off;
1066};
1067
1068/*
1069 * Convenient wrapper for general libarchive error handling.
1070 */
1071#define AC(CALL) do { \
1072 if ((CALL)) { \
1073 warnx("%s", archive_error_string(a)); \
1074 return; \
1075 } \
1076} while (0)
1077
1078/*
1079 * Detect an ar(1) archive using libarchive(3).
1080 */
1081static int
1082ac_detect_ar(int fd)
1083{
1084 struct archive *a;
1085 struct archive_entry *entry;
1086 int r;
1087
1088 r = -1;
1089 if ((a = archive_read_new()) == NULL)
1090 return (0);
1091 archive_read_support_format_ar(a);
1092 if (archive_read_open_fd(a, fd, 10240) == ARCHIVE_OK)
1093 r = archive_read_next_header(a, &entry);
1094 archive_read_close(a);
1095 archive_read_free(a);
1096
1097 return (r == ARCHIVE_OK);
1098}
1099
1100/*
1101 * Dump an ar(1) archive using libarchive(3).
1102 */
1103static void
1104ac_print_ar(struct elfdump *ed, int fd)
1105{
1106 struct archive *a;
1107 struct archive_entry *entry;
1108 struct arsym_entry *arsym;
1109 const char *name;
1110 char idx[10], *b;
1111 void *buff;
1112 size_t size;
1113 uint32_t cnt;
1114 int i, r;
1115
1116 if (lseek(fd, 0, SEEK_SET) == -1)
1117 err(EXIT_FAILURE, "lseek failed");
1118 if ((a = archive_read_new()) == NULL)
1119 errx(EXIT_FAILURE, "%s", archive_error_string(a));
1120 archive_read_support_format_ar(a);
1121 AC(archive_read_open_fd(a, fd, 10240));
1122 for(;;) {
1123 r = archive_read_next_header(a, &entry);
1124 if (r == ARCHIVE_FATAL)
1125 errx(EXIT_FAILURE, "%s", archive_error_string(a));
1126 if (r == ARCHIVE_EOF)
1127 break;
1128 if (r == ARCHIVE_WARN || r == ARCHIVE_RETRY)
1129 warnx("%s", archive_error_string(a));
1130 if (r == ARCHIVE_RETRY)
1131 continue;
1132 name = archive_entry_pathname(entry);
1133 size = archive_entry_size(entry);
1134 if (size == 0)
1135 continue;
1136 if ((buff = malloc(size)) == NULL) {
1137 warn("malloc failed");
1138 continue;
1139 }
1140 if (archive_read_data(a, buff, size) != (ssize_t)size) {
1141 warnx("%s", archive_error_string(a));
1142 free(buff);
1143 continue;
1144 }
1145
1146 /*
1147 * Note that when processing arsym via libarchive, there is
1148 * no way to tell which member a certain symbol belongs to,
1149 * since we can not just "lseek" to a member offset and read
1150 * the member header.
1151 */
1152 if (!strcmp(name, "/") && ed->flags & PRINT_ARSYM) {
1153 b = buff;
1154 cnt = be32dec(b);
1155 if (cnt == 0) {
1156 free(buff);
1157 continue;
1158 }
1159 arsym = calloc(cnt, sizeof(*arsym));
1160 if (arsym == NULL)
1161 err(EXIT_FAILURE, "calloc failed");
1162 b += sizeof(uint32_t);
1163 for (i = 0; (size_t)i < cnt; i++) {
1164 arsym[i].off = be32dec(b);
1165 b += sizeof(uint32_t);
1166 }
1167 for (i = 0; (size_t)i < cnt; i++) {
1168 arsym[i].sym_name = b;
1169 b += strlen(b) + 1;
1170 }
1171 if (ed->flags & SOLARIS_FMT) {
1172 PRT("\nSymbol Table: (archive)\n");
1173 PRT(" index offset symbol\n");
1174 } else
1175 PRT("\nsymbol table (archive):\n");
1176 for (i = 0; (size_t)i < cnt; i++) {
1177 if (ed->flags & SOLARIS_FMT) {
1178 snprintf(idx, sizeof(idx), "[%d]", i);
1179 PRT("%10s ", idx);
1180 PRT("0x%8.8jx ",
1181 (uintmax_t)arsym[i].off);
1182 PRT("%s\n", arsym[i].sym_name);
1183 } else {
1184 PRT("\nentry: %d\n", i);
1185 PRT("\toffset: %#jx\n",
1186 (uintmax_t)arsym[i].off);
1187 PRT("\tsymbol: %s\n",
1188 arsym[i].sym_name);
1189 }
1190 }
1191 free(arsym);
1192 free(buff);
1193 /* No need to continue if we only dump ARSYM. */
1194 if (ed->flags & ONLY_ARSYM) {
1195 AC(archive_read_close(a));
1196 AC(archive_read_free(a));
1197 return;
1198 }
1199 continue;
1200 }
1201 if ((ed->elf = elf_memory(buff, size)) == NULL) {
1202 warnx("elf_memroy() failed: %s",
1203 elf_errmsg(-1));
1204 free(buff);
1205 continue;
1206 }
1207 /* Skip non-ELF member. */
1208 if (elf_kind(ed->elf) == ELF_K_ELF) {
1209 printf("\n%s(%s):\n", ed->archive, name);
1210 elf_print_elf(ed);
1211 }
1212 elf_end(ed->elf);
1213 free(buff);
1214 }
1215 AC(archive_read_close(a));
1216 AC(archive_read_free(a));
1217}
1218
1219#else /* USE_LIBARCHIVE_AR */
1220
1221/*
1222 * Dump an ar(1) archive.
1223 */
1224static void
1225elf_print_ar(struct elfdump *ed, int fd)
1226{
1227 Elf *e;
1228 Elf_Arhdr *arh;
1229 Elf_Arsym *arsym;
1230 Elf_Cmd cmd;
1231 char idx[10];
1232 size_t cnt;
1233 int i;
1234
1235 ed->ar = ed->elf;
1236
1237 if (ed->flags & PRINT_ARSYM) {
1238 cnt = 0;
1239 if ((arsym = elf_getarsym(ed->ar, &cnt)) == NULL) {
1240 warnx("elf_getarsym failed: %s", elf_errmsg(-1));
1241 goto print_members;
1242 }
1243 if (cnt == 0)
1244 goto print_members;
1245 if (ed->flags & SOLARIS_FMT) {
1246 PRT("\nSymbol Table: (archive)\n");
1247 PRT(" index offset member name and symbol\n");
1248 } else
1249 PRT("\nsymbol table (archive):\n");
1250 for (i = 0; (size_t)i < cnt - 1; i++) {
1251 if (elf_rand(ed->ar, arsym[i].as_off) !=
1252 arsym[i].as_off) {
1253 warnx("elf_rand failed: %s", elf_errmsg(-1));
1254 break;
1255 }
1256 if ((e = elf_begin(fd, ELF_C_READ, ed->ar)) == NULL) {
1257 warnx("elf_begin failed: %s", elf_errmsg(-1));
1258 break;
1259 }
1260 if ((arh = elf_getarhdr(e)) == NULL) {
1261 warnx("elf_getarhdr failed: %s",
1262 elf_errmsg(-1));
1263 break;
1264 }
1265 if (ed->flags & SOLARIS_FMT) {
1266 snprintf(idx, sizeof(idx), "[%d]", i);
1267 PRT("%10s ", idx);
1268 PRT("0x%8.8jx ",
1269 (uintmax_t)arsym[i].as_off);
1270 PRT("(%s):%s\n", arh->ar_name,
1271 arsym[i].as_name);
1272 } else {
1273 PRT("\nentry: %d\n", i);
1274 PRT("\toffset: %#jx\n",
1275 (uintmax_t)arsym[i].as_off);
1276 PRT("\tmember: %s\n", arh->ar_name);
1277 PRT("\tsymbol: %s\n", arsym[i].as_name);
1278 }
1279 elf_end(e);
1280 }
1281
1282 /* No need to continue if we only dump ARSYM. */
1283 if (ed->flags & ONLY_ARSYM)
1284 return;
1285 }
1286
1287print_members:
1288
1289 /* Rewind the archive. */
1290 if (elf_rand(ed->ar, SARMAG) != SARMAG) {
1291 warnx("elf_rand failed: %s", elf_errmsg(-1));
1292 return;
1293 }
1294
1295 /* Dump each member of the archive. */
1296 cmd = ELF_C_READ;
1297 while ((ed->elf = elf_begin(fd, cmd, ed->ar)) != NULL) {
1298 /* Skip non-ELF member. */
1299 if (elf_kind(ed->elf) == ELF_K_ELF) {
1300 if ((arh = elf_getarhdr(ed->elf)) == NULL) {
1301 warnx("elf_getarhdr failed: %s",
1302 elf_errmsg(-1));
1303 break;
1304 }
1305 printf("\n%s(%s):\n", ed->archive, arh->ar_name);
1306 elf_print_elf(ed);
1307 }
1308 cmd = elf_next(ed->elf);
1309 elf_end(ed->elf);
1310 }
1311}
1312
1313#endif /* USE_LIBARCHIVE_AR */
1314
1315/*
1316 * Dump an object. (ELF object or ar(1) archive)
1317 */
1318static void
1319elf_print_object(struct elfdump *ed)
1320{
1321 int fd;
1322
1323 if ((fd = open(ed->filename, O_RDONLY)) == -1) {
1324 warn("open %s failed", ed->filename);
1325 return;
1326 }
1327
1328#ifdef USE_LIBARCHIVE_AR
1329 if (ac_detect_ar(fd)) {
1330 ed->archive = ed->filename;
1331 ac_print_ar(ed, fd);
1332 return;
1333 }
1334#endif /* USE_LIBARCHIVE_AR */
1335
1336 if ((ed->elf = elf_begin(fd, ELF_C_READ, NULL)) == NULL) {
1337 warnx("elf_begin() failed: %s", elf_errmsg(-1));
1338 return;
1339 }
1340
1341 switch (elf_kind(ed->elf)) {
1342 case ELF_K_NONE:
1343 warnx("Not an ELF file.");
1344 return;
1345 case ELF_K_ELF:
1346 if (ed->flags & PRINT_FILENAME)
1347 printf("\n%s:\n", ed->filename);
1348 elf_print_elf(ed);
1349 break;
1350 case ELF_K_AR:
1351#ifndef USE_LIBARCHIVE_AR
1352 ed->archive = ed->filename;
1353 elf_print_ar(ed, fd);
1354#endif
1355 break;
1356 default:
1357 warnx("Internal: libelf returned unknown elf kind.");
1358 return;
1359 }
1360
1361 elf_end(ed->elf);
1362}
1363
1364/*
1365 * Dump an ELF object.
1366 */
1367static void
1368elf_print_elf(struct elfdump *ed)
1369{
1370
1371 if (gelf_getehdr(ed->elf, &ed->ehdr) == NULL) {
1372 warnx("gelf_getehdr failed: %s", elf_errmsg(-1));
1373 return;
1374 }
1375 if ((ed->ec = gelf_getclass(ed->elf)) == ELFCLASSNONE) {
1376 warnx("gelf_getclass failed: %s", elf_errmsg(-1));
1377 return;
1378 }
1379
1380 if (ed->options & (ED_SHDR | ED_DYN | ED_REL | ED_GOT | ED_SYMTAB |
1381 ED_SYMVER | ED_NOTE | ED_HASH))
1382 load_sections(ed);
1383
1384 if (ed->options & ED_EHDR)
1385 elf_print_ehdr(ed);
1386 if (ed->options & ED_PHDR)
1387 elf_print_phdr(ed);
1388 if (ed->options & ED_INTERP)
1389 elf_print_interp(ed);
1390 if (ed->options & ED_SHDR)
1391 elf_print_shdr(ed);
1392 if (ed->options & ED_DYN)
1393 elf_print_dynamic(ed);
1394 if (ed->options & ED_REL)
1395 elf_print_reloc(ed);
1396 if (ed->options & ED_GOT)
1397 elf_print_got(ed);
1398 if (ed->options & ED_SYMTAB)
1399 elf_print_symtabs(ed);
1400 if (ed->options & ED_SYMVER)
1401 elf_print_symver(ed);
1402 if (ed->options & ED_NOTE)
1403 elf_print_note(ed);
1404 if (ed->options & ED_HASH)
1405 elf_print_hash(ed);
1406 if (ed->options & ED_CHECKSUM)
1407 elf_print_checksum(ed);
1408
1409 unload_sections(ed);
1410}
1411
1412/*
1413 * Read the section headers from ELF object and store them in the
1414 * internal cache.
1415 */
1416static void
1417load_sections(struct elfdump *ed)
1418{
1419 struct section *s;
1420 const char *name;
1421 Elf_Scn *scn;
1422 GElf_Shdr sh;
1423 size_t shstrndx, ndx;
1424 int elferr;
1425
1426 assert(ed->sl == NULL);
1427
1428 if (!elf_getshnum(ed->elf, &ed->shnum)) {
1429 warnx("elf_getshnum failed: %s", elf_errmsg(-1));
1430 return;
1431 }
1432 if (ed->shnum == 0)
1433 return;
1434 if ((ed->sl = calloc(ed->shnum, sizeof(*ed->sl))) == NULL)
1435 err(EXIT_FAILURE, "calloc failed");
1436 if (!elf_getshstrndx(ed->elf, &shstrndx)) {
1437 warnx("elf_getshstrndx failed: %s", elf_errmsg(-1));
1438 return;
1439 }
1440 if ((scn = elf_getscn(ed->elf, 0)) == NULL) {
1441 warnx("elf_getscn failed: %s", elf_errmsg(-1));
1442 return;
1443 }
1444 (void) elf_errno();
1445 do {
1446 if (gelf_getshdr(scn, &sh) == NULL) {
1447 warnx("gelf_getshdr failed: %s", elf_errmsg(-1));
1448 (void) elf_errno();
1449 continue;
1450 }
1451 if ((name = elf_strptr(ed->elf, shstrndx, sh.sh_name)) == NULL) {
1452 (void) elf_errno();
1453 name = "ERROR";
1454 }
1455 if ((ndx = elf_ndxscn(scn)) == SHN_UNDEF)
1456 if ((elferr = elf_errno()) != 0) {
1457 warnx("elf_ndxscn failed: %s",
1458 elf_errmsg(elferr));
1459 continue;
1460 }
1461 if (ndx >= ed->shnum) {
1462 warnx("section index of '%s' out of range", name);
1463 continue;
1464 }
1465 s = &ed->sl[ndx];
1466 s->name = name;
1467 s->scn = scn;
1468 s->off = sh.sh_offset;
1469 s->sz = sh.sh_size;
1470 s->entsize = sh.sh_entsize;
1471 s->align = sh.sh_addralign;
1472 s->type = sh.sh_type;
1473 s->flags = sh.sh_flags;
1474 s->addr = sh.sh_addr;
1475 s->link = sh.sh_link;
1476 s->info = sh.sh_info;
1477 } while ((scn = elf_nextscn(ed->elf, scn)) != NULL);
1478 elferr = elf_errno();
1479 if (elferr != 0)
1480 warnx("elf_nextscn failed: %s", elf_errmsg(elferr));
1481}
1482
1483/*
1484 * Release section related resources.
1485 */
1486static void
1487unload_sections(struct elfdump *ed)
1488{
1489 if (ed->sl != NULL) {
1490 free(ed->sl);
1491 ed->sl = NULL;
1492 }
1493}
1494
1495/*
1496 * Add a name to the '-N' name list.
1497 */
1498static void
1499add_name(struct elfdump *ed, const char *name)
1500{
1501 struct spec_name *sn;
1502
1503 if (find_name(ed, name))
1504 return;
1505 if ((sn = malloc(sizeof(*sn))) == NULL) {
1506 warn("malloc failed");
1507 return;
1508 }
1509 sn->name = name;
1510 STAILQ_INSERT_TAIL(&ed->snl, sn, sn_list);
1511}
1512
1513/*
1514 * Lookup a name in the '-N' name list.
1515 */
1516static struct spec_name *
1517find_name(struct elfdump *ed, const char *name)
1518{
1519 struct spec_name *sn;
1520
1521 STAILQ_FOREACH(sn, &ed->snl, sn_list) {
1522 if (!strcmp(sn->name, name))
1523 return (sn);
1524 }
1525
1526 return (NULL);
1527}
1528
1529/*
1530 * Retrieve the name of a symbol using the section index of the symbol
1531 * table and the index of the symbol within that table.
1532 */
1533static const char *
1534get_symbol_name(struct elfdump *ed, int symtab, int i)
1535{
1536 static char sname[64];
1537 struct section *s;
1538 const char *name;
1539 GElf_Sym sym;
1540 Elf_Data *data;
1541 int elferr;
1542
1543 s = &ed->sl[symtab];
1544 if (s->type != SHT_SYMTAB && s->type != SHT_DYNSYM)
1545 return ("");
1546 (void) elf_errno();
1547 if ((data = elf_getdata(s->scn, NULL)) == NULL) {
1548 elferr = elf_errno();
1549 if (elferr != 0)
1550 warnx("elf_getdata failed: %s", elf_errmsg(elferr));
1551 return ("");
1552 }
1553 if (gelf_getsym(data, i, &sym) != &sym)
1554 return ("");
1555 if (GELF_ST_TYPE(sym.st_info) == STT_SECTION) {
1556 if (sym.st_shndx < ed->shnum) {
1557 snprintf(sname, sizeof(sname), "%s (section)",
1558 ed->sl[sym.st_shndx].name);
1559 return (sname);
1560 } else
1561 return ("");
1562 }
1563 if ((name = elf_strptr(ed->elf, s->link, sym.st_name)) == NULL)
1564 return ("");
1565
1566 return (name);
1567}
1568
1569/*
1570 * Retrieve a string using string table section index and the string offset.
1571 */
1572static const char*
1573get_string(struct elfdump *ed, int strtab, size_t off)
1574{
1575 const char *name;
1576
1577 if ((name = elf_strptr(ed->elf, strtab, off)) == NULL)
1578 return ("");
1579
1580 return (name);
1581}
1582
1583/*
1584 * Dump the ELF Executable Header.
1585 */
1586static void
1587elf_print_ehdr(struct elfdump *ed)
1588{
1589
1590 if (!STAILQ_EMPTY(&ed->snl))
1591 return;
1592
1593 if (ed->flags & SOLARIS_FMT) {
1594 PRT("\nELF Header\n");
1595 PRT(" ei_magic: { %#x, %c, %c, %c }\n",
1596 ed->ehdr.e_ident[0], ed->ehdr.e_ident[1],
1597 ed->ehdr.e_ident[2], ed->ehdr.e_ident[3]);
1598 PRT(" ei_class: %-18s",
1599 ei_classes[ed->ehdr.e_ident[EI_CLASS]]);
1600 PRT(" ei_data: %s\n", ei_data[ed->ehdr.e_ident[EI_DATA]]);
1601 PRT(" e_machine: %-18s", e_machines(ed->ehdr.e_machine));
1602 PRT(" e_version: %s\n", ei_versions[ed->ehdr.e_version]);
1603 PRT(" e_type: %s\n", e_types[ed->ehdr.e_type]);
1604 PRT(" e_flags: %18d\n", ed->ehdr.e_flags);
1605 PRT(" e_entry: %#18jx", (uintmax_t)ed->ehdr.e_entry);
1606 PRT(" e_ehsize: %6d", ed->ehdr.e_ehsize);
1607 PRT(" e_shstrndx:%5d\n", ed->ehdr.e_shstrndx);
1608 PRT(" e_shoff: %#18jx", (uintmax_t)ed->ehdr.e_shoff);
1609 PRT(" e_shentsize: %3d", ed->ehdr.e_shentsize);
1610 PRT(" e_shnum: %5d\n", ed->ehdr.e_shnum);
1611 PRT(" e_phoff: %#18jx", (uintmax_t)ed->ehdr.e_phoff);
1612 PRT(" e_phentsize: %3d", ed->ehdr.e_phentsize);
1613 PRT(" e_phnum: %5d\n", ed->ehdr.e_phnum);
1614 } else {
1615 PRT("\nelf header:\n");
1616 PRT("\n");
1617 PRT("\te_ident: %s %s %s\n",
1618 ei_classes[ed->ehdr.e_ident[EI_CLASS]],
1619 ei_data[ed->ehdr.e_ident[EI_DATA]],
1620 ei_abis[ed->ehdr.e_ident[EI_OSABI]]);
1621 PRT("\te_type: %s\n", e_types[ed->ehdr.e_type]);
1622 PRT("\te_machine: %s\n", e_machines(ed->ehdr.e_machine));
1623 PRT("\te_version: %s\n", ei_versions[ed->ehdr.e_version]);
1624 PRT("\te_entry: %#jx\n", (uintmax_t)ed->ehdr.e_entry);
1625 PRT("\te_phoff: %ju\n", (uintmax_t)ed->ehdr.e_phoff);
1626 PRT("\te_shoff: %ju\n", (uintmax_t) ed->ehdr.e_shoff);
1627 PRT("\te_flags: %u\n", ed->ehdr.e_flags);
1628 PRT("\te_ehsize: %u\n", ed->ehdr.e_ehsize);
1629 PRT("\te_phentsize: %u\n", ed->ehdr.e_phentsize);
1630 PRT("\te_phnum: %u\n", ed->ehdr.e_phnum);
1631 PRT("\te_shentsize: %u\n", ed->ehdr.e_shentsize);
1632 PRT("\te_shnum: %u\n", ed->ehdr.e_shnum);
1633 PRT("\te_shstrndx: %u\n", ed->ehdr.e_shstrndx);
1634 }
1635}
1636
1637/*
1638 * Dump the ELF Program Header Table.
1639 */
1640static void
1641elf_print_phdr(struct elfdump *ed)
1642{
1643 GElf_Phdr ph;
1644 size_t phnum;
1645 int header, i;
1646
1647 if (elf_getphnum(ed->elf, &phnum) == 0) {
1648 warnx("elf_getphnum failed: %s", elf_errmsg(-1));
1649 return;
1650 }
1651 header = 0;
1652 for (i = 0; (u_int64_t) i < phnum; i++) {
1653 if (gelf_getphdr(ed->elf, i, &ph) != &ph) {
1654 warnx("elf_getphdr failed: %s", elf_errmsg(-1));
1655 continue;
1656 }
1657 if (!STAILQ_EMPTY(&ed->snl) &&
1658 find_name(ed, p_types[ph.p_type & 0x7]) == NULL)
1659 continue;
1660 if (ed->flags & SOLARIS_FMT) {
1661 PRT("\nProgram Header[%d]:\n", i);
1662 PRT(" p_vaddr: %#-14jx", (uintmax_t)ph.p_vaddr);
1663 PRT(" p_flags: [ %s ]\n", p_flags[ph.p_flags]);
1664 PRT(" p_paddr: %#-14jx", (uintmax_t)ph.p_paddr);
1665 PRT(" p_type: [ %s ]\n", p_types[ph.p_type & 0x7]);
1666 PRT(" p_filesz: %#-14jx",
1667 (uintmax_t)ph.p_filesz);
1668 PRT(" p_memsz: %#jx\n", (uintmax_t)ph.p_memsz);
1669 PRT(" p_offset: %#-14jx",
1670 (uintmax_t)ph.p_offset);
1671 PRT(" p_align: %#jx\n", (uintmax_t)ph.p_align);
1672 } else {
1673 if (!header) {
1674 PRT("\nprogram header:\n");
1675 header = 1;
1676 }
1677 PRT("\n");
1678 PRT("entry: %d\n", i);
1679 PRT("\tp_type: %s\n", p_types[ph.p_type & 0x7]);
1680 PRT("\tp_offset: %ju\n", (uintmax_t)ph.p_offset);
1681 PRT("\tp_vaddr: %#jx\n", (uintmax_t)ph.p_vaddr);
1682 PRT("\tp_paddr: %#jx\n", (uintmax_t)ph.p_paddr);
1683 PRT("\tp_filesz: %ju\n", (uintmax_t)ph.p_filesz);
1684 PRT("\tp_memsz: %ju\n", (uintmax_t)ph.p_memsz);
1685 PRT("\tp_flags: %s\n", p_flags[ph.p_flags]);
1686 PRT("\tp_align: %ju\n", (uintmax_t)ph.p_align);
1687 }
1688 }
1689}
1690
1691/*
1692 * Dump the ELF Section Header Table.
1693 */
1694static void
1695elf_print_shdr(struct elfdump *ed)
1696{
1697 struct section *s;
1698 int i;
1699
1700 if (!STAILQ_EMPTY(&ed->snl))
1701 return;
1702
1703 if ((ed->flags & SOLARIS_FMT) == 0)
1704 PRT("\nsection header:\n");
1705 for (i = 0; (size_t)i < ed->shnum; i++) {
1706 s = &ed->sl[i];
1707 if (ed->flags & SOLARIS_FMT) {
1708 if (i == 0)
1709 continue;
1710 PRT("\nSection Header[%d]:", i);
1711 PRT(" sh_name: %s\n", s->name);
1712 PRT(" sh_addr: %#-14jx", (uintmax_t)s->addr);
1713 if (s->flags != 0)
1714 PRT(" sh_flags: [ %s ]\n", sh_flags(s->flags));
1715 else
1716 PRT(" sh_flags: 0\n");
1717 PRT(" sh_size: %#-14jx", (uintmax_t)s->sz);
|
1611 PRT(" sh_type: [ %s ]\n", sh_types(s->type));
|
1718 PRT(" sh_type: [ %s ]\n",
1719 sh_types(ed->ehdr.e_machine, s->type)); |
1720 PRT(" sh_offset: %#-14jx", (uintmax_t)s->off);
1721 PRT(" sh_entsize: %#jx\n", (uintmax_t)s->entsize);
1722 PRT(" sh_link: %-14u", s->link);
1723 PRT(" sh_info: %u\n", s->info);
1724 PRT(" sh_addralign: %#jx\n", (uintmax_t)s->align);
1725 } else {
1726 PRT("\n");
1727 PRT("entry: %ju\n", (uintmax_t)i);
1728 PRT("\tsh_name: %s\n", s->name);
|
1621 PRT("\tsh_type: %s\n", sh_types(s->type));
|
1729 PRT("\tsh_type: %s\n",
1730 sh_types(ed->ehdr.e_machine, s->type)); |
1731 PRT("\tsh_flags: %s\n", sh_flags(s->flags));
1732 PRT("\tsh_addr: %#jx\n", (uintmax_t)s->addr);
1733 PRT("\tsh_offset: %ju\n", (uintmax_t)s->off);
1734 PRT("\tsh_size: %ju\n", (uintmax_t)s->sz);
1735 PRT("\tsh_link: %u\n", s->link);
1736 PRT("\tsh_info: %u\n", s->info);
1737 PRT("\tsh_addralign: %ju\n", (uintmax_t)s->align);
1738 PRT("\tsh_entsize: %ju\n", (uintmax_t)s->entsize);
1739 }
1740 }
1741}
1742
1743/*
1744 * Return number of entries in the given section. We'd prefer ent_count be a
1745 * size_t, but libelf APIs already use int for section indices.
1746 */
1747static int
1748get_ent_count(const struct section *s, int *ent_count)
1749{
1750 if (s->entsize == 0) {
1751 warnx("section %s has entry size 0", s->name);
1752 return (0);
1753 } else if (s->sz / s->entsize > INT_MAX) {
1754 warnx("section %s has invalid section count", s->name);
1755 return (0);
1756 }
1757 *ent_count = (int)(s->sz / s->entsize);
1758 return (1);
1759}
1760
1761/*
1762 * Retrieve the content of the corresponding SHT_SUNW_versym section for
1763 * a symbol table section.
1764 */
1765static void
1766get_versym(struct elfdump *ed, int i, uint16_t **vs, int *nvs)
1767{
1768 struct section *s;
1769 Elf_Data *data;
1770 int j, elferr;
1771
1772 s = NULL;
1773 for (j = 0; (size_t)j < ed->shnum; j++) {
1774 s = &ed->sl[j];
1775 if (s->type == SHT_SUNW_versym && s->link == (uint32_t)i)
1776 break;
1777 }
1778 if ((size_t)j >= ed->shnum) {
1779 *vs = NULL;
1780 return;
1781 }
1782 (void) elf_errno();
1783 if ((data = elf_getdata(s->scn, NULL)) == NULL) {
1784 elferr = elf_errno();
1785 if (elferr != 0)
1786 warnx("elf_getdata failed: %s", elf_errmsg(elferr));
1787 *vs = NULL;
1788 return;
1789 }
1790
1791 *vs = data->d_buf;
1792 assert(data->d_size == s->sz);
1793 if (!get_ent_count(s, nvs))
1794 *nvs = 0;
1795}
1796
1797/*
1798 * Dump the symbol table section.
1799 */
1800static void
1801elf_print_symtab(struct elfdump *ed, int i)
1802{
1803 struct section *s;
1804 const char *name;
1805 uint16_t *vs;
1806 char idx[10];
1807 Elf_Data *data;
1808 GElf_Sym sym;
1809 int len, j, elferr, nvs;
1810
1811 s = &ed->sl[i];
1812 if (ed->flags & SOLARIS_FMT)
1813 PRT("\nSymbol Table Section: %s\n", s->name);
1814 else
1815 PRT("\nsymbol table (%s):\n", s->name);
1816 (void) elf_errno();
1817 if ((data = elf_getdata(s->scn, NULL)) == NULL) {
1818 elferr = elf_errno();
1819 if (elferr != 0)
1820 warnx("elf_getdata failed: %s", elf_errmsg(elferr));
1821 return;
1822 }
1823 vs = NULL;
1824 nvs = 0;
1825 assert(data->d_size == s->sz);
1826 if (!get_ent_count(s, &len))
1827 return;
1828 if (ed->flags & SOLARIS_FMT) {
1829 if (ed->ec == ELFCLASS32)
1830 PRT(" index value ");
1831 else
1832 PRT(" index value ");
1833 PRT("size type bind oth ver shndx name\n");
1834 get_versym(ed, i, &vs, &nvs);
1835 if (vs != NULL && nvs != len) {
1836 warnx("#symbol not equal to #versym");
1837 vs = NULL;
1838 }
1839 }
1840 for (j = 0; j < len; j++) {
1841 if (gelf_getsym(data, j, &sym) != &sym) {
1842 warnx("gelf_getsym failed: %s", elf_errmsg(-1));
1843 continue;
1844 }
1845 name = get_string(ed, s->link, sym.st_name);
1846 if (ed->flags & SOLARIS_FMT) {
1847 snprintf(idx, sizeof(idx), "[%d]", j);
1848 if (ed->ec == ELFCLASS32)
1849 PRT("%10s ", idx);
1850 else
1851 PRT("%10s ", idx);
1852 PRT("0x%8.8jx ", (uintmax_t)sym.st_value);
1853 if (ed->ec == ELFCLASS32)
1854 PRT("0x%8.8jx ", (uintmax_t)sym.st_size);
1855 else
1856 PRT("0x%12.12jx ", (uintmax_t)sym.st_size);
|
1748 PRT("%s ", st_types_S[GELF_ST_TYPE(sym.st_info)]);
1749 PRT("%s ", st_bindings_S[GELF_ST_BIND(sym.st_info)]);
|
1857 PRT("%s ", st_type_S(GELF_ST_TYPE(sym.st_info)));
1858 PRT("%s ", st_bindings_S(GELF_ST_BIND(sym.st_info))); |
1859 PRT("%c ", st_others[sym.st_other]);
1860 PRT("%3u ", (vs == NULL ? 0 : vs[j]));
1861 PRT("%-11.11s ", sh_name(ed, sym.st_shndx));
1862 PRT("%s\n", name);
1863 } else {
1864 PRT("\nentry: %d\n", j);
1865 PRT("\tst_name: %s\n", name);
1866 PRT("\tst_value: %#jx\n", (uintmax_t)sym.st_value);
1867 PRT("\tst_size: %ju\n", (uintmax_t)sym.st_size);
1868 PRT("\tst_info: %s %s\n",
|
1760 st_types[GELF_ST_TYPE(sym.st_info)],
1761 st_bindings[GELF_ST_BIND(sym.st_info)]);
|
1869 st_type(ed->ehdr.e_machine,
1870 GELF_ST_TYPE(sym.st_info)),
1871 st_bindings(GELF_ST_BIND(sym.st_info))); |
1872 PRT("\tst_shndx: %ju\n", (uintmax_t)sym.st_shndx);
1873 }
1874 }
1875}
1876
1877/*
1878 * Dump the symbol tables. (.dynsym and .symtab)
1879 */
1880static void
1881elf_print_symtabs(struct elfdump *ed)
1882{
1883 int i;
1884
1885 for (i = 0; (size_t)i < ed->shnum; i++)
1886 if ((ed->sl[i].type == SHT_SYMTAB ||
1887 ed->sl[i].type == SHT_DYNSYM) &&
1888 (STAILQ_EMPTY(&ed->snl) || find_name(ed, ed->sl[i].name)))
1889 elf_print_symtab(ed, i);
1890}
1891
1892/*
1893 * Dump the content of .dynamic section.
1894 */
1895static void
1896elf_print_dynamic(struct elfdump *ed)
1897{
1898 struct section *s;
1899 const char *name;
1900 char idx[10];
1901 Elf_Data *data;
1902 GElf_Dyn dyn;
1903 int elferr, i, len;
1904
1905 s = NULL;
1906 for (i = 0; (size_t)i < ed->shnum; i++) {
1907 s = &ed->sl[i];
1908 if (s->type == SHT_DYNAMIC &&
1909 (STAILQ_EMPTY(&ed->snl) || find_name(ed, s->name)))
1910 break;
1911 }
1912 if ((size_t)i >= ed->shnum)
1913 return;
1914
1915 if (ed->flags & SOLARIS_FMT) {
1916 PRT("Dynamic Section: %s\n", s->name);
1917 PRT(" index tag value\n");
1918 } else
1919 PRT("\ndynamic:\n");
1920 (void) elf_errno();
1921 if ((data = elf_getdata(s->scn, NULL)) == NULL) {
1922 elferr = elf_errno();
1923 if (elferr != 0)
1924 warnx("elf_getdata failed: %s", elf_errmsg(elferr));
1925 return;
1926 }
1927 assert(data->d_size == s->sz);
1928 if (!get_ent_count(s, &len))
1929 return;
1930 for (i = 0; i < len; i++) {
1931 if (gelf_getdyn(data, i, &dyn) != &dyn) {
1932 warnx("gelf_getdyn failed: %s", elf_errmsg(-1));
1933 continue;
1934 }
1935
1936 if (ed->flags & SOLARIS_FMT) {
1937 snprintf(idx, sizeof(idx), "[%d]", i);
1938 PRT("%10s %-16s ", idx, d_tags(dyn.d_tag));
1939 } else {
1940 PRT("\n");
1941 PRT("entry: %d\n", i);
1942 PRT("\td_tag: %s\n", d_tags(dyn.d_tag));
1943 }
1944 switch(dyn.d_tag) {
1945 case DT_NEEDED:
1946 case DT_SONAME:
1947 case DT_RPATH:
1948 if ((name = elf_strptr(ed->elf, s->link,
1949 dyn.d_un.d_val)) == NULL)
1950 name = "";
1951 if (ed->flags & SOLARIS_FMT)
1952 PRT("%#-16jx %s\n", (uintmax_t)dyn.d_un.d_val,
1953 name);
1954 else
1955 PRT("\td_val: %s\n", name);
1956 break;
1957 case DT_PLTRELSZ:
1958 case DT_RELA:
1959 case DT_RELASZ:
1960 case DT_RELAENT:
1961 case DT_RELACOUNT:
1962 case DT_STRSZ:
1963 case DT_SYMENT:
1964 case DT_RELSZ:
1965 case DT_RELENT:
1966 case DT_PLTREL:
1967 case DT_VERDEF:
1968 case DT_VERDEFNUM:
1969 case DT_VERNEED:
1970 case DT_VERNEEDNUM:
1971 case DT_VERSYM:
1972 if (ed->flags & SOLARIS_FMT)
1973 PRT("%#jx\n", (uintmax_t)dyn.d_un.d_val);
1974 else
1975 PRT("\td_val: %ju\n",
1976 (uintmax_t)dyn.d_un.d_val);
1977 break;
1978 case DT_PLTGOT:
1979 case DT_HASH:
1980 case DT_GNU_HASH:
1981 case DT_STRTAB:
1982 case DT_SYMTAB:
1983 case DT_INIT:
1984 case DT_FINI:
1985 case DT_REL:
1986 case DT_JMPREL:
1987 case DT_DEBUG:
1988 if (ed->flags & SOLARIS_FMT)
1989 PRT("%#jx\n", (uintmax_t)dyn.d_un.d_ptr);
1990 else
1991 PRT("\td_ptr: %#jx\n",
1992 (uintmax_t)dyn.d_un.d_ptr);
1993 break;
1994 case DT_NULL:
1995 case DT_SYMBOLIC:
1996 case DT_TEXTREL:
1997 default:
1998 if (ed->flags & SOLARIS_FMT)
1999 PRT("\n");
2000 break;
2001 }
2002 }
2003}
2004
2005/*
2006 * Dump a .rel/.rela section entry.
2007 */
2008static void
2009elf_print_rel_entry(struct elfdump *ed, struct section *s, int j,
2010 struct rel_entry *r)
2011{
2012
2013 if (ed->flags & SOLARIS_FMT) {
2014 PRT(" %-23s ", r_type(ed->ehdr.e_machine,
2015 GELF_R_TYPE(r->u_r.rel.r_info)));
2016 PRT("%#12jx ", (uintmax_t)r->u_r.rel.r_offset);
2017 if (r->type == SHT_RELA)
2018 PRT("%10jd ", (intmax_t)r->u_r.rela.r_addend);
2019 else
2020 PRT(" ");
2021 PRT("%-14s ", s->name);
2022 PRT("%s\n", r->symn);
2023 } else {
2024 PRT("\n");
2025 PRT("entry: %d\n", j);
2026 PRT("\tr_offset: %#jx\n", (uintmax_t)r->u_r.rel.r_offset);
2027 if (ed->ec == ELFCLASS32)
2028 PRT("\tr_info: %#jx\n", (uintmax_t)
2029 ELF32_R_INFO(ELF64_R_SYM(r->u_r.rel.r_info),
2030 ELF64_R_TYPE(r->u_r.rel.r_info)));
2031 else
2032 PRT("\tr_info: %#jx\n", (uintmax_t)r->u_r.rel.r_info);
2033 if (r->type == SHT_RELA)
2034 PRT("\tr_addend: %jd\n",
2035 (intmax_t)r->u_r.rela.r_addend);
2036 }
2037}
2038
2039/*
2040 * Dump a relocation section of type SHT_RELA.
2041 */
2042static void
2043elf_print_rela(struct elfdump *ed, struct section *s, Elf_Data *data)
2044{
2045 struct rel_entry r;
2046 int j, len;
2047
2048 if (ed->flags & SOLARIS_FMT) {
2049 PRT("\nRelocation Section: %s\n", s->name);
2050 PRT(" type offset "
2051 "addend section with respect to\n");
2052 } else
2053 PRT("\nrelocation with addend (%s):\n", s->name);
2054 r.type = SHT_RELA;
2055 assert(data->d_size == s->sz);
2056 if (!get_ent_count(s, &len))
2057 return;
2058 for (j = 0; j < len; j++) {
2059 if (gelf_getrela(data, j, &r.u_r.rela) != &r.u_r.rela) {
2060 warnx("gelf_getrela failed: %s",
2061 elf_errmsg(-1));
2062 continue;
2063 }
2064 r.symn = get_symbol_name(ed, s->link,
2065 GELF_R_SYM(r.u_r.rela.r_info));
2066 elf_print_rel_entry(ed, s, j, &r);
2067 }
2068}
2069
2070/*
2071 * Dump a relocation section of type SHT_REL.
2072 */
2073static void
2074elf_print_rel(struct elfdump *ed, struct section *s, Elf_Data *data)
2075{
2076 struct rel_entry r;
2077 int j, len;
2078
2079 if (ed->flags & SOLARIS_FMT) {
2080 PRT("\nRelocation Section: %s\n", s->name);
2081 PRT(" type offset "
2082 "section with respect to\n");
2083 } else
2084 PRT("\nrelocation (%s):\n", s->name);
2085 r.type = SHT_REL;
2086 assert(data->d_size == s->sz);
2087 if (!get_ent_count(s, &len))
2088 return;
2089 for (j = 0; j < len; j++) {
2090 if (gelf_getrel(data, j, &r.u_r.rel) != &r.u_r.rel) {
2091 warnx("gelf_getrel failed: %s", elf_errmsg(-1));
2092 continue;
2093 }
2094 r.symn = get_symbol_name(ed, s->link,
2095 GELF_R_SYM(r.u_r.rel.r_info));
2096 elf_print_rel_entry(ed, s, j, &r);
2097 }
2098}
2099
2100/*
2101 * Dump relocation sections.
2102 */
2103static void
2104elf_print_reloc(struct elfdump *ed)
2105{
2106 struct section *s;
2107 Elf_Data *data;
2108 int i, elferr;
2109
2110 for (i = 0; (size_t)i < ed->shnum; i++) {
2111 s = &ed->sl[i];
2112 if ((s->type == SHT_REL || s->type == SHT_RELA) &&
2113 (STAILQ_EMPTY(&ed->snl) || find_name(ed, s->name))) {
2114 (void) elf_errno();
2115 if ((data = elf_getdata(s->scn, NULL)) == NULL) {
2116 elferr = elf_errno();
2117 if (elferr != 0)
2118 warnx("elf_getdata failed: %s",
2119 elf_errmsg(elferr));
2120 continue;
2121 }
2122 if (s->type == SHT_REL)
2123 elf_print_rel(ed, s, data);
2124 else
2125 elf_print_rela(ed, s, data);
2126 }
2127 }
2128}
2129
2130/*
2131 * Dump the content of PT_INTERP segment.
2132 */
2133static void
2134elf_print_interp(struct elfdump *ed)
2135{
2136 const char *s;
2137 GElf_Phdr phdr;
2138 size_t phnum;
2139 int i;
2140
2141 if (!STAILQ_EMPTY(&ed->snl) && find_name(ed, "PT_INTERP") == NULL)
2142 return;
2143
2144 if ((s = elf_rawfile(ed->elf, NULL)) == NULL) {
2145 warnx("elf_rawfile failed: %s", elf_errmsg(-1));
2146 return;
2147 }
2148 if (!elf_getphnum(ed->elf, &phnum)) {
2149 warnx("elf_getphnum failed: %s", elf_errmsg(-1));
2150 return;
2151 }
2152 for (i = 0; (size_t)i < phnum; i++) {
2153 if (gelf_getphdr(ed->elf, i, &phdr) != &phdr) {
2154 warnx("elf_getphdr failed: %s", elf_errmsg(-1));
2155 continue;
2156 }
2157 if (phdr.p_type == PT_INTERP) {
2158 PRT("\ninterp:\n");
2159 PRT("\t%s\n", s + phdr.p_offset);
2160 }
2161 }
2162}
2163
2164/*
2165 * Search the relocation sections for entries refering to the .got section.
2166 */
2167static void
2168find_gotrel(struct elfdump *ed, struct section *gs, struct rel_entry *got)
2169{
2170 struct section *s;
2171 struct rel_entry r;
2172 Elf_Data *data;
2173 int elferr, i, j, k, len;
2174
2175 for(i = 0; (size_t)i < ed->shnum; i++) {
2176 s = &ed->sl[i];
2177 if (s->type != SHT_REL && s->type != SHT_RELA)
2178 continue;
2179 (void) elf_errno();
2180 if ((data = elf_getdata(s->scn, NULL)) == NULL) {
2181 elferr = elf_errno();
2182 if (elferr != 0)
2183 warnx("elf_getdata failed: %s",
2184 elf_errmsg(elferr));
2185 return;
2186 }
2187 memset(&r, 0, sizeof(struct rel_entry));
2188 r.type = s->type;
2189 assert(data->d_size == s->sz);
2190 if (!get_ent_count(s, &len))
2191 return;
2192 for (j = 0; j < len; j++) {
2193 if (s->type == SHT_REL) {
2194 if (gelf_getrel(data, j, &r.u_r.rel) !=
2195 &r.u_r.rel) {
2196 warnx("gelf_getrel failed: %s",
2197 elf_errmsg(-1));
2198 continue;
2199 }
2200 } else {
2201 if (gelf_getrela(data, j, &r.u_r.rela) !=
2202 &r.u_r.rela) {
2203 warnx("gelf_getrel failed: %s",
2204 elf_errmsg(-1));
2205 continue;
2206 }
2207 }
2208 if (r.u_r.rel.r_offset >= gs->addr &&
2209 r.u_r.rel.r_offset < gs->addr + gs->sz) {
2210 r.symn = get_symbol_name(ed, s->link,
2211 GELF_R_SYM(r.u_r.rel.r_info));
2212 k = (r.u_r.rel.r_offset - gs->addr) /
2213 gs->entsize;
2214 memcpy(&got[k], &r, sizeof(struct rel_entry));
2215 }
2216 }
2217 }
2218}
2219
2220static void
2221elf_print_got_section(struct elfdump *ed, struct section *s)
2222{
2223 struct rel_entry *got;
2224 Elf_Data *data, dst;
2225 int elferr, i, len;
2226
2227 if (s->entsize == 0) {
2228 /* XXX IA64 GOT section generated by gcc has entry size 0. */
2229 if (s->align != 0)
2230 s->entsize = s->align;
2231 else
2232 return;
2233 }
2234
2235 if (!get_ent_count(s, &len))
2236 return;
2237 if (ed->flags & SOLARIS_FMT)
2238 PRT("\nGlobal Offset Table Section: %s (%d entries)\n",
2239 s->name, len);
2240 else
2241 PRT("\nglobal offset table: %s\n", s->name);
2242 (void) elf_errno();
2243 if ((data = elf_getdata(s->scn, NULL)) == NULL) {
2244 elferr = elf_errno();
2245 if (elferr != 0)
2246 warnx("elf_getdata failed: %s", elf_errmsg(elferr));
2247 return;
2248 }
2249
2250 /*
2251 * GOT section has section type SHT_PROGBITS, thus libelf treats it as
2252 * byte stream and will not perfrom any translation on it. As a result,
2253 * an exlicit call to gelf_xlatetom is needed here. Depends on arch,
2254 * GOT section should be translated to either WORD or XWORD.
2255 */
2256 if (ed->ec == ELFCLASS32)
2257 data->d_type = ELF_T_WORD;
2258 else
2259 data->d_type = ELF_T_XWORD;
2260 memcpy(&dst, data, sizeof(Elf_Data));
2261 if (gelf_xlatetom(ed->elf, &dst, data, ed->ehdr.e_ident[EI_DATA]) !=
2262 &dst) {
2263 warnx("gelf_xlatetom failed: %s", elf_errmsg(-1));
2264 return;
2265 }
2266 assert(dst.d_size == s->sz);
2267 if (ed->flags & SOLARIS_FMT) {
2268 /*
2269 * In verbose/Solaris mode, we search the relocation sections
2270 * and try to find the corresponding reloc entry for each GOT
2271 * section entry.
2272 */
2273 if ((got = calloc(len, sizeof(struct rel_entry))) == NULL)
2274 err(EXIT_FAILURE, "calloc failed");
2275 find_gotrel(ed, s, got);
2276 if (ed->ec == ELFCLASS32) {
2277 PRT(" ndx addr value reloc ");
2278 PRT("addend symbol\n");
2279 } else {
2280 PRT(" ndx addr value ");
2281 PRT("reloc addend symbol\n");
2282 }
2283 for(i = 0; i < len; i++) {
2284 PRT("[%5.5d] ", i);
2285 if (ed->ec == ELFCLASS32) {
|
2176 PRT("%-8.8jx ", s->addr + i * s->entsize);
|
2286 PRT("%-8.8jx ",
2287 (uintmax_t) (s->addr + i * s->entsize)); |
2288 PRT("%-8.8x ", *((uint32_t *)dst.d_buf + i));
2289 } else {
|
2179 PRT("%-16.16jx ", s->addr + i * s->entsize);
2180 PRT("%-16.16jx ", *((uint64_t *)dst.d_buf + i));
|
2290 PRT("%-16.16jx ",
2291 (uintmax_t) (s->addr + i * s->entsize));
2292 PRT("%-16.16jx ",
2293 (uintmax_t) *((uint64_t *)dst.d_buf + i)); |
2294 }
2295 PRT("%-18s ", r_type(ed->ehdr.e_machine,
2296 GELF_R_TYPE(got[i].u_r.rel.r_info)));
2297 if (ed->ec == ELFCLASS32)
2298 PRT("%-8.8jd ",
2299 (intmax_t)got[i].u_r.rela.r_addend);
2300 else
2301 PRT("%-12.12jd ",
2302 (intmax_t)got[i].u_r.rela.r_addend);
2303 if (got[i].symn == NULL)
2304 got[i].symn = "";
2305 PRT("%s\n", got[i].symn);
2306 }
2307 free(got);
2308 } else {
2309 for(i = 0; i < len; i++) {
2310 PRT("\nentry: %d\n", i);
2311 if (ed->ec == ELFCLASS32)
2312 PRT("\t%#x\n", *((uint32_t *)dst.d_buf + i));
2313 else
|
2201 PRT("\t%#jx\n", *((uint64_t *)dst.d_buf + i));
|
2314 PRT("\t%#jx\n",
2315 (uintmax_t) *((uint64_t *)dst.d_buf + i)); |
2316 }
2317 }
2318}
2319
2320/*
2321 * Dump the content of Global Offset Table section.
2322 */
2323static void
2324elf_print_got(struct elfdump *ed)
2325{
2326 struct section *s;
2327 int i;
2328
2329 if (!STAILQ_EMPTY(&ed->snl))
2330 return;
2331
2332 s = NULL;
2333 for (i = 0; (size_t)i < ed->shnum; i++) {
2334 s = &ed->sl[i];
2335 if (s->name && !strncmp(s->name, ".got", 4) &&
2336 (STAILQ_EMPTY(&ed->snl) || find_name(ed, s->name)))
2337 elf_print_got_section(ed, s);
2338 }
2339}
2340
2341/*
2342 * Dump the content of .note.ABI-tag section.
2343 */
2344static void
2345elf_print_note(struct elfdump *ed)
2346{
2347 struct section *s;
2348 Elf_Data *data;
2349 Elf_Note *en;
2350 uint32_t namesz;
2351 uint32_t descsz;
2352 uint32_t desc;
2353 size_t count;
2354 int elferr, i;
2355 char *src, idx[10];
2356
2357 s = NULL;
2358 for (i = 0; (size_t)i < ed->shnum; i++) {
2359 s = &ed->sl[i];
2360 if (s->type == SHT_NOTE && s->name &&
2361 !strcmp(s->name, ".note.ABI-tag") &&
2362 (STAILQ_EMPTY(&ed->snl) || find_name(ed, s->name)))
2363 break;
2364 }
2365 if ((size_t)i >= ed->shnum)
2366 return;
2367 if (ed->flags & SOLARIS_FMT)
2368 PRT("\nNote Section: %s\n", s->name);
2369 else
2370 PRT("\nnote (%s):\n", s->name);
2371 (void) elf_errno();
2372 if ((data = elf_getdata(s->scn, NULL)) == NULL) {
2373 elferr = elf_errno();
2374 if (elferr != 0)
2375 warnx("elf_getdata failed: %s", elf_errmsg(elferr));
2376 return;
2377 }
2378 src = data->d_buf;
2379 count = data->d_size;
2380 while (count > sizeof(Elf_Note)) {
2381 en = (Elf_Note *) (uintptr_t) src;
2382 namesz = en->n_namesz;
2383 descsz = en->n_descsz;
2384 src += sizeof(Elf_Note);
2385 count -= sizeof(Elf_Note);
2386 if (ed->flags & SOLARIS_FMT) {
2387 PRT("\n type %#x\n", en->n_type);
2388 PRT(" namesz %#x:\n", en->n_namesz);
2389 PRT("%s\n", src);
2390 } else
2391 PRT("\t%s ", src);
2392 src += roundup2(namesz, 4);
2393 count -= roundup2(namesz, 4);
2394
2395 /*
2396 * Note that we dump the whole desc part if we're in
2397 * "Solaris mode", while in the normal mode, we only look
2398 * at the first 4 bytes (a 32bit word) of the desc, i.e,
2399 * we assume that it's always a FreeBSD version number.
2400 */
2401 if (ed->flags & SOLARIS_FMT) {
2402 PRT(" descsz %#x:", en->n_descsz);
2403 for (i = 0; (uint32_t)i < descsz; i++) {
2404 if ((i & 0xF) == 0) {
2405 snprintf(idx, sizeof(idx), "desc[%d]",
2406 i);
2407 PRT("\n %-9s", idx);
2408 } else if ((i & 0x3) == 0)
2409 PRT(" ");
2410 PRT(" %2.2x", src[i]);
2411 }
2412 PRT("\n");
2413 } else {
2414 if (ed->ehdr.e_ident[EI_DATA] == ELFDATA2MSB)
2415 desc = be32dec(src);
2416 else
2417 desc = le32dec(src);
2418 PRT("%d\n", desc);
2419 }
2420 src += roundup2(descsz, 4);
2421 count -= roundup2(descsz, 4);
2422 }
2423}
2424
2425/*
2426 * Dump a hash table.
2427 */
2428static void
2429elf_print_svr4_hash(struct elfdump *ed, struct section *s)
2430{
2431 Elf_Data *data;
2432 uint32_t *buf;
2433 uint32_t *bucket, *chain;
2434 uint32_t nbucket, nchain;
2435 uint32_t *bl, *c, maxl, total;
2436 int i, j, first, elferr;
2437 char idx[10];
2438
2439 if (ed->flags & SOLARIS_FMT)
2440 PRT("\nHash Section: %s\n", s->name);
2441 else
2442 PRT("\nhash table (%s):\n", s->name);
2443 (void) elf_errno();
2444 if ((data = elf_getdata(s->scn, NULL)) == NULL) {
2445 elferr = elf_errno();
2446 if (elferr != 0)
2447 warnx("elf_getdata failed: %s",
2448 elf_errmsg(elferr));
2449 return;
2450 }
2451 if (data->d_size < 2 * sizeof(uint32_t)) {
2452 warnx(".hash section too small");
2453 return;
2454 }
2455 buf = data->d_buf;
2456 nbucket = buf[0];
2457 nchain = buf[1];
2458 if (nbucket <= 0 || nchain <= 0) {
2459 warnx("Malformed .hash section");
2460 return;
2461 }
2462 if (data->d_size != (nbucket + nchain + 2) * sizeof(uint32_t)) {
2463 warnx("Malformed .hash section");
2464 return;
2465 }
2466 bucket = &buf[2];
2467 chain = &buf[2 + nbucket];
2468
2469 if (ed->flags & SOLARIS_FMT) {
2470 maxl = 0;
2471 if ((bl = calloc(nbucket, sizeof(*bl))) == NULL)
2472 err(EXIT_FAILURE, "calloc failed");
2473 for (i = 0; (uint32_t)i < nbucket; i++)
2474 for (j = bucket[i]; j > 0 && (uint32_t)j < nchain;
2475 j = chain[j])
2476 if (++bl[i] > maxl)
2477 maxl = bl[i];
2478 if ((c = calloc(maxl + 1, sizeof(*c))) == NULL)
2479 err(EXIT_FAILURE, "calloc failed");
2480 for (i = 0; (uint32_t)i < nbucket; i++)
2481 c[bl[i]]++;
2482 PRT(" bucket symndx name\n");
2483 for (i = 0; (uint32_t)i < nbucket; i++) {
2484 first = 1;
2485 for (j = bucket[i]; j > 0 && (uint32_t)j < nchain;
2486 j = chain[j]) {
2487 if (first) {
2488 PRT("%10d ", i);
2489 first = 0;
2490 } else
2491 PRT(" ");
2492 snprintf(idx, sizeof(idx), "[%d]", j);
2493 PRT("%-10s ", idx);
2494 PRT("%s\n", get_symbol_name(ed, s->link, j));
2495 }
2496 }
2497 PRT("\n");
2498 total = 0;
2499 for (i = 0; (uint32_t)i <= maxl; i++) {
2500 total += c[i] * i;
2501 PRT("%10u buckets contain %8d symbols\n", c[i], i);
2502 }
2503 PRT("%10u buckets %8u symbols (globals)\n", nbucket,
2504 total);
2505 } else {
2506 PRT("\nnbucket: %u\n", nbucket);
2507 PRT("nchain: %u\n\n", nchain);
2508 for (i = 0; (uint32_t)i < nbucket; i++)
2509 PRT("bucket[%d]:\n\t%u\n\n", i, bucket[i]);
2510 for (i = 0; (uint32_t)i < nchain; i++)
2511 PRT("chain[%d]:\n\t%u\n\n", i, chain[i]);
2512 }
2513}
2514
2515/*
2516 * Dump a 64bit hash table.
2517 */
2518static void
2519elf_print_svr4_hash64(struct elfdump *ed, struct section *s)
2520{
2521 Elf_Data *data, dst;
2522 uint64_t *buf;
2523 uint64_t *bucket, *chain;
2524 uint64_t nbucket, nchain;
2525 uint64_t *bl, *c, maxl, total;
2526 int i, j, elferr, first;
2527 char idx[10];
2528
2529 if (ed->flags & SOLARIS_FMT)
2530 PRT("\nHash Section: %s\n", s->name);
2531 else
2532 PRT("\nhash table (%s):\n", s->name);
2533
2534 /*
2535 * ALPHA uses 64-bit hash entries. Since libelf assumes that
2536 * .hash section contains only 32-bit entry, an explicit
2537 * gelf_xlatetom is needed here.
2538 */
2539 (void) elf_errno();
2540 if ((data = elf_rawdata(s->scn, NULL)) == NULL) {
2541 elferr = elf_errno();
2542 if (elferr != 0)
2543 warnx("elf_rawdata failed: %s",
2544 elf_errmsg(elferr));
2545 return;
2546 }
2547 data->d_type = ELF_T_XWORD;
2548 memcpy(&dst, data, sizeof(Elf_Data));
2549 if (gelf_xlatetom(ed->elf, &dst, data,
2550 ed->ehdr.e_ident[EI_DATA]) != &dst) {
2551 warnx("gelf_xlatetom failed: %s", elf_errmsg(-1));
2552 return;
2553 }
2554 if (dst.d_size < 2 * sizeof(uint64_t)) {
2555 warnx(".hash section too small");
2556 return;
2557 }
2558 buf = dst.d_buf;
2559 nbucket = buf[0];
2560 nchain = buf[1];
2561 if (nbucket <= 0 || nchain <= 0) {
2562 warnx("Malformed .hash section");
2563 return;
2564 }
2565 if (dst.d_size != (nbucket + nchain + 2) * sizeof(uint64_t)) {
2566 warnx("Malformed .hash section");
2567 return;
2568 }
2569 bucket = &buf[2];
2570 chain = &buf[2 + nbucket];
2571
2572 if (ed->flags & SOLARIS_FMT) {
2573 maxl = 0;
2574 if ((bl = calloc(nbucket, sizeof(*bl))) == NULL)
2575 err(EXIT_FAILURE, "calloc failed");
2576 for (i = 0; (uint64_t)i < nbucket; i++)
2577 for (j = bucket[i]; j > 0 && (uint64_t)j < nchain;
2578 j = chain[j])
2579 if (++bl[i] > maxl)
2580 maxl = bl[i];
2581 if ((c = calloc(maxl + 1, sizeof(*c))) == NULL)
2582 err(EXIT_FAILURE, "calloc failed");
2583 for (i = 0; (uint64_t)i < nbucket; i++)
2584 c[bl[i]]++;
2585 PRT(" bucket symndx name\n");
2586 for (i = 0; (uint64_t)i < nbucket; i++) {
2587 first = 1;
2588 for (j = bucket[i]; j > 0 && (uint64_t)j < nchain;
2589 j = chain[j]) {
2590 if (first) {
2591 PRT("%10d ", i);
2592 first = 0;
2593 } else
2594 PRT(" ");
2595 snprintf(idx, sizeof(idx), "[%d]", j);
2596 PRT("%-10s ", idx);
2597 PRT("%s\n", get_symbol_name(ed, s->link, j));
2598 }
2599 }
2600 PRT("\n");
2601 total = 0;
2602 for (i = 0; (uint64_t)i <= maxl; i++) {
2603 total += c[i] * i;
2604 PRT("%10ju buckets contain %8d symbols\n",
2605 (uintmax_t)c[i], i);
2606 }
2607 PRT("%10ju buckets %8ju symbols (globals)\n",
2608 (uintmax_t)nbucket, (uintmax_t)total);
2609 } else {
2610 PRT("\nnbucket: %ju\n", (uintmax_t)nbucket);
2611 PRT("nchain: %ju\n\n", (uintmax_t)nchain);
2612 for (i = 0; (uint64_t)i < nbucket; i++)
2613 PRT("bucket[%d]:\n\t%ju\n\n", i, (uintmax_t)bucket[i]);
2614 for (i = 0; (uint64_t)i < nchain; i++)
2615 PRT("chain[%d]:\n\t%ju\n\n", i, (uintmax_t)chain[i]);
2616 }
2617
2618}
2619
2620/*
2621 * Dump a GNU hash table.
2622 */
2623static void
2624elf_print_gnu_hash(struct elfdump *ed, struct section *s)
2625{
2626 struct section *ds;
2627 Elf_Data *data;
2628 uint32_t *buf;
2629 uint32_t *bucket, *chain;
2630 uint32_t nbucket, nchain, symndx, maskwords, shift2;
2631 uint32_t *bl, *c, maxl, total;
2632 int i, j, first, elferr, dynsymcount;
2633 char idx[10];
2634
2635 if (ed->flags & SOLARIS_FMT)
2636 PRT("\nGNU Hash Section: %s\n", s->name);
2637 else
2638 PRT("\ngnu hash table (%s):\n", s->name);
2639 (void) elf_errno();
2640 if ((data = elf_getdata(s->scn, NULL)) == NULL) {
2641 elferr = elf_errno();
2642 if (elferr != 0)
2643 warnx("elf_getdata failed: %s",
2644 elf_errmsg(elferr));
2645 return;
2646 }
2647 if (data->d_size < 4 * sizeof(uint32_t)) {
2648 warnx(".gnu.hash section too small");
2649 return;
2650 }
2651 buf = data->d_buf;
2652 nbucket = buf[0];
2653 symndx = buf[1];
2654 maskwords = buf[2];
2655 shift2 = buf[3];
2656 buf += 4;
2657 ds = &ed->sl[s->link];
2658 if (!get_ent_count(ds, &dynsymcount))
2659 return;
2660 nchain = dynsymcount - symndx;
2661 if (data->d_size != 4 * sizeof(uint32_t) + maskwords *
2662 (ed->ec == ELFCLASS32 ? sizeof(uint32_t) : sizeof(uint64_t)) +
2663 (nbucket + nchain) * sizeof(uint32_t)) {
2664 warnx("Malformed .gnu.hash section");
2665 return;
2666 }
2667 bucket = buf + (ed->ec == ELFCLASS32 ? maskwords : maskwords * 2);
2668 chain = bucket + nbucket;
2669
2670 if (ed->flags & SOLARIS_FMT) {
2671 maxl = 0;
2672 if ((bl = calloc(nbucket, sizeof(*bl))) == NULL)
2673 err(EXIT_FAILURE, "calloc failed");
2674 for (i = 0; (uint32_t)i < nbucket; i++)
2675 for (j = bucket[i];
2676 j > 0 && (uint32_t)j - symndx < nchain;
2677 j++) {
2678 if (++bl[i] > maxl)
2679 maxl = bl[i];
2680 if (chain[j - symndx] & 1)
2681 break;
2682 }
2683 if ((c = calloc(maxl + 1, sizeof(*c))) == NULL)
2684 err(EXIT_FAILURE, "calloc failed");
2685 for (i = 0; (uint32_t)i < nbucket; i++)
2686 c[bl[i]]++;
2687 PRT(" bucket symndx name\n");
2688 for (i = 0; (uint32_t)i < nbucket; i++) {
2689 first = 1;
2690 for (j = bucket[i];
2691 j > 0 && (uint32_t)j - symndx < nchain;
2692 j++) {
2693 if (first) {
2694 PRT("%10d ", i);
2695 first = 0;
2696 } else
2697 PRT(" ");
2698 snprintf(idx, sizeof(idx), "[%d]", j );
2699 PRT("%-10s ", idx);
2700 PRT("%s\n", get_symbol_name(ed, s->link, j));
2701 if (chain[j - symndx] & 1)
2702 break;
2703 }
2704 }
2705 PRT("\n");
2706 total = 0;
2707 for (i = 0; (uint32_t)i <= maxl; i++) {
2708 total += c[i] * i;
2709 PRT("%10u buckets contain %8d symbols\n", c[i], i);
2710 }
2711 PRT("%10u buckets %8u symbols (globals)\n", nbucket,
2712 total);
2713 } else {
2714 PRT("\nnbucket: %u\n", nbucket);
2715 PRT("symndx: %u\n", symndx);
2716 PRT("maskwords: %u\n", maskwords);
2717 PRT("shift2: %u\n", shift2);
2718 PRT("nchain: %u\n\n", nchain);
2719 for (i = 0; (uint32_t)i < nbucket; i++)
2720 PRT("bucket[%d]:\n\t%u\n\n", i, bucket[i]);
2721 for (i = 0; (uint32_t)i < nchain; i++)
2722 PRT("chain[%d]:\n\t%u\n\n", i, chain[i]);
2723 }
2724}
2725
2726/*
2727 * Dump hash tables.
2728 */
2729static void
2730elf_print_hash(struct elfdump *ed)
2731{
2732 struct section *s;
2733 int i;
2734
2735 for (i = 0; (size_t)i < ed->shnum; i++) {
2736 s = &ed->sl[i];
2737 if ((s->type == SHT_HASH || s->type == SHT_GNU_HASH) &&
2738 (STAILQ_EMPTY(&ed->snl) || find_name(ed, s->name))) {
2739 if (s->type == SHT_GNU_HASH)
2740 elf_print_gnu_hash(ed, s);
2741 else if (ed->ehdr.e_machine == EM_ALPHA &&
2742 s->entsize == 8)
2743 elf_print_svr4_hash64(ed, s);
2744 else
2745 elf_print_svr4_hash(ed, s);
2746 }
2747 }
2748}
2749
2750/*
2751 * Dump the content of a Version Definition(SHT_SUNW_Verdef) Section.
2752 */
2753static void
2754elf_print_verdef(struct elfdump *ed, struct section *s)
2755{
2756 Elf_Data *data;
2757 Elf32_Verdef *vd;
2758 Elf32_Verdaux *vda;
2759 const char *str;
2760 char idx[10];
2761 uint8_t *buf, *end, *buf2;
2762 int i, j, elferr, count;
2763
2764 if (ed->flags & SOLARIS_FMT)
2765 PRT("Version Definition Section: %s\n", s->name);
2766 else
2767 PRT("\nversion definition section (%s):\n", s->name);
2768 (void) elf_errno();
2769 if ((data = elf_getdata(s->scn, NULL)) == NULL) {
2770 elferr = elf_errno();
2771 if (elferr != 0)
2772 warnx("elf_getdata failed: %s",
2773 elf_errmsg(elferr));
2774 return;
2775 }
2776 buf = data->d_buf;
2777 end = buf + data->d_size;
2778 i = 0;
2779 if (ed->flags & SOLARIS_FMT)
2780 PRT(" index version dependency\n");
2781 while (buf + sizeof(Elf32_Verdef) <= end) {
2782 vd = (Elf32_Verdef *) (uintptr_t) buf;
2783 if (ed->flags & SOLARIS_FMT) {
2784 snprintf(idx, sizeof(idx), "[%d]", vd->vd_ndx);
2785 PRT("%10s ", idx);
2786 } else {
2787 PRT("\nentry: %d\n", i++);
2788 PRT("\tvd_version: %u\n", vd->vd_version);
2789 PRT("\tvd_flags: %u\n", vd->vd_flags);
2790 PRT("\tvd_ndx: %u\n", vd->vd_ndx);
2791 PRT("\tvd_cnt: %u\n", vd->vd_cnt);
2792 PRT("\tvd_hash: %u\n", vd->vd_hash);
2793 PRT("\tvd_aux: %u\n", vd->vd_aux);
2794 PRT("\tvd_next: %u\n\n", vd->vd_next);
2795 }
2796 buf2 = buf + vd->vd_aux;
2797 j = 0;
2798 count = 0;
2799 while (buf2 + sizeof(Elf32_Verdaux) <= end && j < vd->vd_cnt) {
2800 vda = (Elf32_Verdaux *) (uintptr_t) buf2;
2801 str = get_string(ed, s->link, vda->vda_name);
2802 if (ed->flags & SOLARIS_FMT) {
2803 if (count == 0)
2804 PRT("%-26.26s", str);
2805 else if (count == 1)
2806 PRT(" %-20.20s", str);
2807 else {
2808 PRT("\n%40.40s", "");
2809 PRT("%s", str);
2810 }
2811 } else {
2812 PRT("\t\tvda: %d\n", j++);
2813 PRT("\t\t\tvda_name: %s\n", str);
2814 PRT("\t\t\tvda_next: %u\n", vda->vda_next);
2815 }
2816 if (vda->vda_next == 0) {
2817 if (ed->flags & SOLARIS_FMT) {
2818 if (vd->vd_flags & VER_FLG_BASE) {
2819 if (count == 0)
2820 PRT("%-20.20s", "");
2821 PRT("%s", "[ BASE ]");
2822 }
2823 PRT("\n");
2824 }
2825 break;
2826 }
2827 if (ed->flags & SOLARIS_FMT)
2828 count++;
2829 buf2 += vda->vda_next;
2830 }
2831 if (vd->vd_next == 0)
2832 break;
2833 buf += vd->vd_next;
2834 }
2835}
2836
2837/*
2838 * Dump the content of a Version Needed(SHT_SUNW_Verneed) Section.
2839 */
2840static void
2841elf_print_verneed(struct elfdump *ed, struct section *s)
2842{
2843 Elf_Data *data;
2844 Elf32_Verneed *vn;
2845 Elf32_Vernaux *vna;
2846 uint8_t *buf, *end, *buf2;
2847 int i, j, elferr, first;
2848
2849 if (ed->flags & SOLARIS_FMT)
2850 PRT("\nVersion Needed Section: %s\n", s->name);
2851 else
2852 PRT("\nversion need section (%s):\n", s->name);
2853 (void) elf_errno();
2854 if ((data = elf_getdata(s->scn, NULL)) == NULL) {
2855 elferr = elf_errno();
2856 if (elferr != 0)
2857 warnx("elf_getdata failed: %s",
2858 elf_errmsg(elferr));
2859 return;
2860 }
2861 buf = data->d_buf;
2862 end = buf + data->d_size;
2863 if (ed->flags & SOLARIS_FMT)
2864 PRT(" file version\n");
2865 i = 0;
2866 while (buf + sizeof(Elf32_Verneed) <= end) {
2867 vn = (Elf32_Verneed *) (uintptr_t) buf;
2868 if (ed->flags & SOLARIS_FMT)
2869 PRT(" %-26.26s ",
2870 get_string(ed, s->link, vn->vn_file));
2871 else {
2872 PRT("\nentry: %d\n", i++);
2873 PRT("\tvn_version: %u\n", vn->vn_version);
2874 PRT("\tvn_cnt: %u\n", vn->vn_cnt);
2875 PRT("\tvn_file: %s\n",
2876 get_string(ed, s->link, vn->vn_file));
2877 PRT("\tvn_aux: %u\n", vn->vn_aux);
2878 PRT("\tvn_next: %u\n\n", vn->vn_next);
2879 }
2880 buf2 = buf + vn->vn_aux;
2881 j = 0;
2882 first = 1;
2883 while (buf2 + sizeof(Elf32_Vernaux) <= end && j < vn->vn_cnt) {
2884 vna = (Elf32_Vernaux *) (uintptr_t) buf2;
2885 if (ed->flags & SOLARIS_FMT) {
2886 if (!first)
2887 PRT("%40.40s", "");
2888 else
2889 first = 0;
2890 PRT("%s\n", get_string(ed, s->link,
2891 vna->vna_name));
2892 } else {
2893 PRT("\t\tvna: %d\n", j++);
2894 PRT("\t\t\tvna_hash: %u\n", vna->vna_hash);
2895 PRT("\t\t\tvna_flags: %u\n", vna->vna_flags);
2896 PRT("\t\t\tvna_other: %u\n", vna->vna_other);
2897 PRT("\t\t\tvna_name: %s\n",
2898 get_string(ed, s->link, vna->vna_name));
2899 PRT("\t\t\tvna_next: %u\n", vna->vna_next);
2900 }
2901 if (vna->vna_next == 0)
2902 break;
2903 buf2 += vna->vna_next;
2904 }
2905 if (vn->vn_next == 0)
2906 break;
2907 buf += vn->vn_next;
2908 }
2909}
2910
2911/*
2912 * Dump the symbol-versioning sections.
2913 */
2914static void
2915elf_print_symver(struct elfdump *ed)
2916{
2917 struct section *s;
2918 int i;
2919
2920 for (i = 0; (size_t)i < ed->shnum; i++) {
2921 s = &ed->sl[i];
2922 if (!STAILQ_EMPTY(&ed->snl) && !find_name(ed, s->name))
2923 continue;
2924 if (s->type == SHT_SUNW_verdef)
2925 elf_print_verdef(ed, s);
2926 if (s->type == SHT_SUNW_verneed)
2927 elf_print_verneed(ed, s);
2928 }
2929}
2930
2931/*
2932 * Dump the ELF checksum. See gelf_checksum(3) for details.
2933 */
2934static void
2935elf_print_checksum(struct elfdump *ed)
2936{
2937
2938 if (!STAILQ_EMPTY(&ed->snl))
2939 return;
2940
2941 PRT("\nelf checksum: %#lx\n", gelf_checksum(ed->elf));
2942}
2943
2944#define USAGE_MESSAGE "\
2945Usage: %s [options] file...\n\
2946 Display information about ELF objects and ar(1) archives.\n\n\
2947 Options:\n\
2948 -a Show all information.\n\
2949 -c Show shared headers.\n\
2950 -d Show dynamic symbols.\n\
2951 -e Show the ELF header.\n\
2952 -G Show the GOT.\n\
2953 -H | --help Show a usage message and exit.\n\
2954 -h Show hash values.\n\
2955 -i Show the dynamic interpreter.\n\
2956 -k Show the ELF checksum.\n\
2957 -n Show the contents of note sections.\n\
2958 -N NAME Show the section named \"NAME\".\n\
2959 -p Show the program header.\n\
2960 -r Show relocations.\n\
2961 -s Show the symbol table.\n\
2962 -S Use the Solaris elfdump format.\n\
2963 -v Show symbol-versioning information.\n\
2964 -V | --version Print a version identifier and exit.\n\
2965 -w FILE Write output to \"FILE\".\n"
2966
2967static void
2968usage(void)
2969{
2970 fprintf(stderr, USAGE_MESSAGE, ELFTC_GETPROGNAME());
2971 exit(EXIT_FAILURE);
2972}
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