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
| 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
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53ELFTC_VCSID("$Id: elfdump.c 3391 2016-02-05 19:43:01Z emaste $");
| 53ELFTC_VCSID("$Id: elfdump.c 3474 2016-05-17 20:44:53Z 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) { 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 */ 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 */ 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
| 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) { 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 */ 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 */ 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
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266static const char *e_types[] = { 267 "ET_NONE", "ET_REL", "ET_EXEC", "ET_DYN", "ET_CORE" 268};
| 266static const char * 267elf_type_str(unsigned int type) 268{ 269 static char s_type[32];
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269
| 270
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270static const char *ei_versions[] = { 271 "EV_NONE", "EV_CURRENT" 272};
| 271 switch (type) 272 { 273 case ET_NONE: return "ET_NONE"; 274 case ET_REL: return "ET_REL"; 275 case ET_EXEC: return "ET_EXEC"; 276 case ET_DYN: return "ET_DYN"; 277 case ET_CORE: return "ET_CORE"; 278 } 279 if (type >= ET_LOPROC) 280 snprintf(s_type, sizeof(s_type), "<proc: %#x>", type); 281 else if (type >= ET_LOOS && type <= ET_HIOS) 282 snprintf(s_type, sizeof(s_type), "<os: %#x>", type); 283 else 284 snprintf(s_type, sizeof(s_type), "<unknown: %#x", type); 285 return (s_type); 286}
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273
| 287
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274static const char *ei_classes[] = { 275 "ELFCLASSNONE", "ELFCLASS32", "ELFCLASS64" 276};
| 288static const char * 289elf_version_str(unsigned int ver) 290{ 291 static char s_ver[32];
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277
| 292
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278static const char *ei_data[] = { 279 "ELFDATANONE", "ELFDATA2LSB", "ELFDATA2MSB" 280};
| 293 switch (ver) { 294 case EV_NONE: return "EV_NONE"; 295 case EV_CURRENT: return "EV_CURRENT"; 296 } 297 snprintf(s_ver, sizeof(s_ver), "<unknown: %#x>", ver); 298 return (s_ver); 299}
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281
| 300
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| 301static const char * 302elf_class_str(unsigned int class) 303{ 304 static char s_class[32]; 305 306 switch (class) { 307 case ELFCLASSNONE: return "ELFCLASSNONE"; 308 case ELFCLASS32: return "ELFCLASS32"; 309 case ELFCLASS64: return "ELFCLASS64"; 310 } 311 snprintf(s_class, sizeof(s_class), "<unknown: %#x>", class); 312 return (s_class); 313} 314 315static const char * 316elf_data_str(unsigned int data) 317{ 318 static char s_data[32]; 319 320 switch (data) { 321 case ELFDATANONE: return "ELFDATANONE"; 322 case ELFDATA2LSB: return "ELFDATA2LSB"; 323 case ELFDATA2MSB: return "ELFDATA2MSB"; 324 } 325 snprintf(s_data, sizeof(s_data), "<unknown: %#x>", data); 326 return (s_data); 327} 328
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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",
| 329static const char *ei_abis[256] = { 330 "ELFOSABI_NONE", "ELFOSABI_HPUX", "ELFOSABI_NETBSD", "ELFOSABI_LINUX", 331 "ELFOSABI_HURD", "ELFOSABI_86OPEN", "ELFOSABI_SOLARIS", "ELFOSABI_AIX", 332 "ELFOSABI_IRIX", "ELFOSABI_FREEBSD", "ELFOSABI_TRU64", 333 "ELFOSABI_MODESTO", "ELFOSABI_OPENBSD",
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| 334 [17] = "ELFOSABI_CLOUDABI",
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287 [255] = "ELFOSABI_STANDALONE" 288}; 289
| 335 [255] = "ELFOSABI_STANDALONE" 336}; 337
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290static const char *p_types[] = { 291 "PT_NULL", "PT_LOAD", "PT_DYNAMIC", "PT_INTERP", "PT_NOTE", 292 "PT_SHLIB", "PT_PHDR", "PT_TLS" 293};
| 338static const char * 339elf_phdr_type_str(unsigned int type) 340{ 341 static char s_type[32];
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294
| 342
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| 343 switch (type) { 344 case PT_NULL: return "PT_NULL"; 345 case PT_LOAD: return "PT_LOAD"; 346 case PT_DYNAMIC: return "PT_DYNAMIC"; 347 case PT_INTERP: return "PT_INTERP"; 348 case PT_NOTE: return "PT_NOTE"; 349 case PT_SHLIB: return "PT_SHLIB"; 350 case PT_PHDR: return "PT_PHDR"; 351 case PT_TLS: return "PT_TLS"; 352 case PT_GNU_EH_FRAME: return "PT_GNU_EH_FRAME"; 353 case PT_GNU_STACK: return "PT_GNU_STACK"; 354 case PT_GNU_RELRO: return "PT_GNU_RELRO"; 355 } 356 snprintf(s_type, sizeof(s_type), "<unknown: %#x>", type); 357 return (s_type); 358} 359
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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 * 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) \
| 360static const char *p_flags[] = { 361 "", "PF_X", "PF_W", "PF_X|PF_W", "PF_R", "PF_X|PF_R", "PF_W|PF_R", 362 "PF_X|PF_W|PF_R" 363}; 364 365static const char * 366sh_name(struct elfdump *ed, int ndx) 367{ 368 static char num[10]; 369 370 switch (ndx) { 371 case SHN_UNDEF: return "UNDEF"; 372 case SHN_ABS: return "ABS"; 373 case SHN_COMMON: return "COMMON"; 374 default: 375 if ((uint64_t)ndx < ed->shnum) 376 return (ed->sl[ndx].name); 377 else { 378 snprintf(num, sizeof(num), "%d", ndx); 379 return (num); 380 } 381 } 382} 383 384/* http://www.sco.com/developers/gabi/latest/ch4.sheader.html#sh_type */ 385static const char * 386sh_types(uint64_t mach, uint64_t sht) { 387 static char unknown_buf[64]; 388 389 if (sht < 0x60000000) { 390 switch (sht) { 391 case SHT_NULL: return "SHT_NULL"; 392 case SHT_PROGBITS: return "SHT_PROGBITS"; 393 case SHT_SYMTAB: return "SHT_SYMTAB"; 394 case SHT_STRTAB: return "SHT_STRTAB"; 395 case SHT_RELA: return "SHT_RELA"; 396 case SHT_HASH: return "SHT_HASH"; 397 case SHT_DYNAMIC: return "SHT_DYNAMIC"; 398 case SHT_NOTE: return "SHT_NOTE"; 399 case SHT_NOBITS: return "SHT_NOBITS"; 400 case SHT_REL: return "SHT_REL"; 401 case SHT_SHLIB: return "SHT_SHLIB"; 402 case SHT_DYNSYM: return "SHT_DYNSYM"; 403 case SHT_INIT_ARRAY: return "SHT_INIT_ARRAY"; 404 case SHT_FINI_ARRAY: return "SHT_FINI_ARRAY"; 405 case SHT_PREINIT_ARRAY: return "SHT_PREINIT_ARRAY"; 406 case SHT_GROUP: return "SHT_GROUP"; 407 case SHT_SYMTAB_SHNDX: return "SHT_SYMTAB_SHNDX"; 408 } 409 } else if (sht < 0x70000000) { 410 /* 0x60000000-0x6fffffff operating system-specific semantics */ 411 switch (sht) { 412 case 0x6ffffff0: return "XXX:VERSYM"; 413 case SHT_SUNW_dof: return "SHT_SUNW_dof"; 414 case SHT_GNU_HASH: return "SHT_GNU_HASH"; 415 case 0x6ffffff7: return "SHT_GNU_LIBLIST"; 416 case 0x6ffffffc: return "XXX:VERDEF"; 417 case SHT_SUNW_verdef: return "SHT_SUNW(GNU)_verdef"; 418 case SHT_SUNW_verneed: return "SHT_SUNW(GNU)_verneed"; 419 case SHT_SUNW_versym: return "SHT_SUNW(GNU)_versym"; 420 } 421 } else if (sht < 0x80000000) { 422 /* 0x70000000 - 0x7fffffff processor-specific semantics */ 423 switch (mach) { 424 case EM_ARM: 425 switch (sht) { 426 case SHT_ARM_EXIDX: return "SHT_ARM_EXIDX"; 427 case SHT_ARM_PREEMPTMAP: return "SHT_ARM_PREEMPTMAP"; 428 case SHT_ARM_ATTRIBUTES: return "SHT_ARM_ATTRIBUTES"; 429 case SHT_ARM_DEBUGOVERLAY: 430 return "SHT_ARM_DEBUGOVERLAY"; 431 case SHT_ARM_OVERLAYSECTION: 432 return "SHT_ARM_OVERLAYSECTION"; 433 } 434 break; 435 case EM_IA_64: 436 switch (sht) { 437 case 0x70000000: return "SHT_IA_64_EXT"; 438 case 0x70000001: return "SHT_IA_64_UNWIND"; 439 } 440 break; 441 case EM_MIPS: 442 switch (sht) { 443 case SHT_MIPS_REGINFO: return "SHT_MIPS_REGINFO"; 444 case SHT_MIPS_OPTIONS: return "SHT_MIPS_OPTIONS"; 445 case SHT_MIPS_ABIFLAGS: return "SHT_MIPS_ABIFLAGS"; 446 } 447 break; 448 } 449 switch (sht) { 450 case 0x7ffffffd: return "XXX:AUXILIARY"; 451 case 0x7fffffff: return "XXX:FILTER"; 452 } 453 } 454 /* 0x80000000 - 0xffffffff application programs */ 455 456 snprintf(unknown_buf, sizeof(unknown_buf), 457 "<unknown: %#llx>", (unsigned long long)sht); 458 return (unknown_buf); 459} 460 461/* 462 * Define known section flags. These flags are defined in the order 463 * they are to be printed out. 464 */ 465#define DEFINE_SHFLAGS() \ 466 DEFINE_SHF(WRITE) \ 467 DEFINE_SHF(ALLOC) \ 468 DEFINE_SHF(EXECINSTR) \ 469 DEFINE_SHF(MERGE) \ 470 DEFINE_SHF(STRINGS) \ 471 DEFINE_SHF(INFO_LINK) \ 472 DEFINE_SHF(LINK_ORDER) \ 473 DEFINE_SHF(OS_NONCONFORMING) \ 474 DEFINE_SHF(GROUP) \
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410 DEFINE_SHF(TLS)
| 475 DEFINE_SHF(TLS) \ 476 DEFINE_SHF(COMPRESSED)
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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 435static const char * 436st_type(unsigned int mach, unsigned int type) 437{ 438 static char s_type[32]; 439 440 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 457static const char * 458st_type_S(unsigned int type) 459{ 460 static char s_type[32]; 461 462 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
| 477 478#undef DEFINE_SHF 479#define DEFINE_SHF(F) "SHF_" #F "|" 480#define ALLSHFLAGS DEFINE_SHFLAGS() 481 482static const char * 483sh_flags(uint64_t shf) 484{ 485 static char flg[sizeof(ALLSHFLAGS)+1]; 486 487 flg[0] = '\0'; 488 489#undef DEFINE_SHF 490#define DEFINE_SHF(N) \ 491 if (shf & SHF_##N) \ 492 strcat(flg, "SHF_" #N "|"); \ 493 494 DEFINE_SHFLAGS() 495 496 flg[strlen(flg) - 1] = '\0'; /* Remove the trailing "|". */ 497 498 return (flg); 499} 500 501static const char * 502st_type(unsigned int mach, unsigned int type) 503{ 504 static char s_type[32]; 505 506 switch (type) { 507 case STT_NOTYPE: return "STT_NOTYPE"; 508 case STT_OBJECT: return "STT_OBJECT"; 509 case STT_FUNC: return "STT_FUNC"; 510 case STT_SECTION: return "STT_SECTION"; 511 case STT_FILE: return "STT_FILE"; 512 case STT_COMMON: return "STT_COMMON"; 513 case STT_TLS: return "STT_TLS"; 514 case 13: 515 if (mach == EM_SPARCV9) 516 return "STT_SPARC_REGISTER"; 517 break; 518 } 519 snprintf(s_type, sizeof(s_type), "<unknown: %#x>", type); 520 return (s_type); 521} 522 523static const char * 524st_type_S(unsigned int type) 525{ 526 static char s_type[32]; 527 528 switch (type) { 529 case STT_NOTYPE: return "NOTY"; 530 case STT_OBJECT: return "OBJT"; 531 case STT_FUNC: return "FUNC"; 532 case STT_SECTION: return "SECT"; 533 case STT_FILE: return "FILE"; 534 } 535 snprintf(s_type, sizeof(s_type), "<unknown: %#x>", type); 536 return (s_type); 537} 538 539static const char * 540st_bindings(unsigned int sbind) 541{ 542 static char s_sbind[32]; 543 544 switch (sbind) { 545 case STB_LOCAL: return "STB_LOCAL"; 546 case STB_GLOBAL: return "STB_GLOBAL"; 547 case STB_WEAK: return "STB_WEAK"; 548 case STB_GNU_UNIQUE: return "STB_GNU_UNIQUE"; 549 default: 550 if (sbind >= STB_LOOS && sbind <= STB_HIOS) 551 return "OS"; 552 else if (sbind >= STB_LOPROC && sbind <= STB_HIPROC) 553 return "PROC"; 554 else 555 snprintf(s_sbind, sizeof(s_sbind), "<unknown: %#x>", 556 sbind); 557 return (s_sbind); 558 } 559} 560 561static const char * 562st_bindings_S(unsigned int sbind) 563{ 564 static char s_sbind[32]; 565 566 switch (sbind) { 567 case STB_LOCAL: return "LOCL"; 568 case STB_GLOBAL: return "GLOB"; 569 case STB_WEAK: return "WEAK"; 570 case STB_GNU_UNIQUE: return "UNIQ"; 571 default: 572 if (sbind >= STB_LOOS && sbind <= STB_HIOS) 573 return "OS"; 574 else if (sbind >= STB_LOPROC && sbind <= STB_HIPROC) 575 return "PROC"; 576 else 577 snprintf(s_sbind, sizeof(s_sbind), "<%#x>", 578 sbind); 579 return (s_sbind); 580 } 581} 582 583static unsigned char st_others[] = { 584 'D', 'I', 'H', 'P' 585}; 586
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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"; 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"; 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
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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);
| 587static void add_name(struct elfdump *ed, const char *name); 588static void elf_print_object(struct elfdump *ed); 589static void elf_print_elf(struct elfdump *ed); 590static void elf_print_ehdr(struct elfdump *ed); 591static void elf_print_phdr(struct elfdump *ed); 592static void elf_print_shdr(struct elfdump *ed); 593static void elf_print_symtab(struct elfdump *ed, int i); 594static void elf_print_symtabs(struct elfdump *ed); 595static void elf_print_symver(struct elfdump *ed); 596static void elf_print_verdef(struct elfdump *ed, struct section *s); 597static void elf_print_verneed(struct elfdump *ed, struct section *s); 598static void elf_print_interp(struct elfdump *ed); 599static void elf_print_dynamic(struct elfdump *ed); 600static void elf_print_rel_entry(struct elfdump *ed, struct section *s, 601 int j, struct rel_entry *r); 602static void elf_print_rela(struct elfdump *ed, struct section *s, 603 Elf_Data *data); 604static void elf_print_rel(struct elfdump *ed, struct section *s, 605 Elf_Data *data); 606static void elf_print_reloc(struct elfdump *ed); 607static void elf_print_got(struct elfdump *ed); 608static void elf_print_got_section(struct elfdump *ed, struct section *s); 609static void elf_print_note(struct elfdump *ed); 610static void elf_print_svr4_hash(struct elfdump *ed, struct section *s); 611static void elf_print_svr4_hash64(struct elfdump *ed, struct section *s); 612static void elf_print_gnu_hash(struct elfdump *ed, struct section *s); 613static void elf_print_hash(struct elfdump *ed); 614static void elf_print_checksum(struct elfdump *ed); 615static void find_gotrel(struct elfdump *ed, struct section *gs, 616 struct rel_entry *got); 617static struct spec_name *find_name(struct elfdump *ed, const char *name); 618static int get_ent_count(const struct section *s, int *ent_count);
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934static const char *get_symbol_name(struct elfdump *ed, int symtab, int i);
| 619static const char *get_symbol_name(struct elfdump *ed, uint32_t symtab, int i);
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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;
| 620static const char *get_string(struct elfdump *ed, int strtab, size_t off); 621static void get_versym(struct elfdump *ed, int i, uint16_t **vs, int *nvs); 622static void load_sections(struct elfdump *ed); 623static void unload_sections(struct elfdump *ed); 624static void usage(void); 625#ifdef USE_LIBARCHIVE_AR 626static int ac_detect_ar(int fd); 627static void ac_print_ar(struct elfdump *ed, int fd); 628#else 629static void elf_print_ar(struct elfdump *ed, int fd); 630#endif /* USE_LIBARCHIVE_AR */ 631 632static struct option elfdump_longopts[] = 633{ 634 { "help", no_argument, NULL, 'H' }, 635 { "version", no_argument, NULL, 'V' }, 636 { NULL, 0, NULL, 0 } 637}; 638 639int 640main(int ac, char **av) 641{ 642 struct elfdump *ed, ed_storage; 643 struct spec_name *sn; 644 int ch, i; 645 646 ed = &ed_storage; 647 memset(ed, 0, sizeof(*ed)); 648 STAILQ_INIT(&ed->snl); 649 ed->out = stdout; 650 while ((ch = getopt_long(ac, av, "acdeiGHhknN:prsSvVw:", 651 elfdump_longopts, NULL)) != -1) 652 switch (ch) { 653 case 'a': 654 ed->options = ED_ALL; 655 break; 656 case 'c': 657 ed->options |= ED_SHDR; 658 break; 659 case 'd': 660 ed->options |= ED_DYN; 661 break; 662 case 'e': 663 ed->options |= ED_EHDR; 664 break; 665 case 'i': 666 ed->options |= ED_INTERP; 667 break; 668 case 'G': 669 ed->options |= ED_GOT; 670 break; 671 case 'h': 672 ed->options |= ED_HASH; 673 break; 674 case 'k': 675 ed->options |= ED_CHECKSUM; 676 break; 677 case 'n': 678 ed->options |= ED_NOTE; 679 break; 680 case 'N': 681 add_name(ed, optarg); 682 break; 683 case 'p': 684 ed->options |= ED_PHDR; 685 break; 686 case 'r': 687 ed->options |= ED_REL; 688 break; 689 case 's': 690 ed->options |= ED_SYMTAB; 691 break; 692 case 'S': 693 ed->flags |= SOLARIS_FMT; 694 break; 695 case 'v': 696 ed->options |= ED_SYMVER; 697 break; 698 case 'V': 699 (void) printf("%s (%s)\n", ELFTC_GETPROGNAME(), 700 elftc_version()); 701 exit(EXIT_SUCCESS); 702 break; 703 case 'w': 704 if ((ed->out = fopen(optarg, "w")) == NULL) 705 err(EXIT_FAILURE, "%s", optarg); 706 break; 707 case '?': 708 case 'H': 709 default: 710 usage(); 711 } 712 713 ac -= optind; 714 av += optind; 715 716 if (ed->options == 0) 717 ed->options = ED_ALL; 718 sn = NULL; 719 if (ed->options & ED_SYMTAB && 720 (STAILQ_EMPTY(&ed->snl) || (sn = find_name(ed, "ARSYM")) != NULL)) { 721 ed->flags |= PRINT_ARSYM; 722 if (sn != NULL) { 723 STAILQ_REMOVE(&ed->snl, sn, spec_name, sn_list); 724 if (STAILQ_EMPTY(&ed->snl)) 725 ed->flags |= ONLY_ARSYM; 726 } 727 } 728 if (ac == 0) 729 usage(); 730 if (ac > 1) 731 ed->flags |= PRINT_FILENAME; 732 if (elf_version(EV_CURRENT) == EV_NONE) 733 errx(EXIT_FAILURE, "ELF library initialization failed: %s", 734 elf_errmsg(-1)); 735 736 for (i = 0; i < ac; i++) { 737 ed->filename = av[i]; 738 ed->archive = NULL; 739 elf_print_object(ed); 740 } 741 742 exit(EXIT_SUCCESS); 743} 744 745#ifdef USE_LIBARCHIVE_AR 746 747/* Archive symbol table entry. */ 748struct arsym_entry { 749 char *sym_name; 750 size_t off; 751}; 752 753/* 754 * Convenient wrapper for general libarchive error handling. 755 */ 756#define AC(CALL) do { \ 757 if ((CALL)) { \ 758 warnx("%s", archive_error_string(a)); \ 759 return; \ 760 } \ 761} while (0) 762 763/* 764 * Detect an ar(1) archive using libarchive(3). 765 */ 766static int 767ac_detect_ar(int fd) 768{ 769 struct archive *a; 770 struct archive_entry *entry; 771 int r; 772 773 r = -1; 774 if ((a = archive_read_new()) == NULL) 775 return (0); 776 archive_read_support_format_ar(a); 777 if (archive_read_open_fd(a, fd, 10240) == ARCHIVE_OK) 778 r = archive_read_next_header(a, &entry); 779 archive_read_close(a); 780 archive_read_free(a); 781 782 return (r == ARCHIVE_OK); 783} 784 785/* 786 * Dump an ar(1) archive using libarchive(3). 787 */ 788static void 789ac_print_ar(struct elfdump *ed, int fd) 790{ 791 struct archive *a; 792 struct archive_entry *entry; 793 struct arsym_entry *arsym; 794 const char *name; 795 char idx[10], *b; 796 void *buff; 797 size_t size;
|
1113 uint32_t cnt; 1114 int i, r;
| 798 uint32_t cnt, i; 799 int 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);
| 800 801 if (lseek(fd, 0, SEEK_SET) == -1) 802 err(EXIT_FAILURE, "lseek failed"); 803 if ((a = archive_read_new()) == NULL) 804 errx(EXIT_FAILURE, "%s", archive_error_string(a)); 805 archive_read_support_format_ar(a); 806 AC(archive_read_open_fd(a, fd, 10240)); 807 for(;;) { 808 r = archive_read_next_header(a, &entry); 809 if (r == ARCHIVE_FATAL) 810 errx(EXIT_FAILURE, "%s", archive_error_string(a)); 811 if (r == ARCHIVE_EOF) 812 break; 813 if (r == ARCHIVE_WARN || r == ARCHIVE_RETRY) 814 warnx("%s", archive_error_string(a)); 815 if (r == ARCHIVE_RETRY) 816 continue; 817 name = archive_entry_pathname(entry); 818 size = archive_entry_size(entry); 819 if (size == 0) 820 continue; 821 if ((buff = malloc(size)) == NULL) { 822 warn("malloc failed"); 823 continue; 824 } 825 if (archive_read_data(a, buff, size) != (ssize_t)size) { 826 warnx("%s", archive_error_string(a)); 827 free(buff); 828 continue; 829 } 830 831 /* 832 * Note that when processing arsym via libarchive, there is 833 * no way to tell which member a certain symbol belongs to, 834 * since we can not just "lseek" to a member offset and read 835 * the member header. 836 */ 837 if (!strcmp(name, "/") && ed->flags & PRINT_ARSYM) { 838 b = buff; 839 cnt = be32dec(b); 840 if (cnt == 0) { 841 free(buff); 842 continue; 843 } 844 arsym = calloc(cnt, sizeof(*arsym)); 845 if (arsym == NULL) 846 err(EXIT_FAILURE, "calloc failed"); 847 b += sizeof(uint32_t);
|
1163 for (i = 0; (size_t)i < cnt; i++) {
| 848 for (i = 0; i < cnt; i++) {
|
1164 arsym[i].off = be32dec(b); 1165 b += sizeof(uint32_t); 1166 }
| 849 arsym[i].off = be32dec(b); 850 b += sizeof(uint32_t); 851 }
|
1167 for (i = 0; (size_t)i < cnt; i++) {
| 852 for (i = 0; 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");
| 853 arsym[i].sym_name = b; 854 b += strlen(b) + 1; 855 } 856 if (ed->flags & SOLARIS_FMT) { 857 PRT("\nSymbol Table: (archive)\n"); 858 PRT(" index offset symbol\n"); 859 } else 860 PRT("\nsymbol table (archive):\n");
|
1176 for (i = 0; (size_t)i < cnt; i++) {
| 861 for (i = 0; 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];
| 862 if (ed->flags & SOLARIS_FMT) { 863 snprintf(idx, sizeof(idx), "[%d]", i); 864 PRT("%10s ", idx); 865 PRT("0x%8.8jx ", 866 (uintmax_t)arsym[i].off); 867 PRT("%s\n", arsym[i].sym_name); 868 } else { 869 PRT("\nentry: %d\n", i); 870 PRT("\toffset: %#jx\n", 871 (uintmax_t)arsym[i].off); 872 PRT("\tsymbol: %s\n", 873 arsym[i].sym_name); 874 } 875 } 876 free(arsym); 877 free(buff); 878 /* No need to continue if we only dump ARSYM. */ 879 if (ed->flags & ONLY_ARSYM) { 880 AC(archive_read_close(a)); 881 AC(archive_read_free(a)); 882 return; 883 } 884 continue; 885 } 886 if ((ed->elf = elf_memory(buff, size)) == NULL) { 887 warnx("elf_memroy() failed: %s", 888 elf_errmsg(-1)); 889 free(buff); 890 continue; 891 } 892 /* Skip non-ELF member. */ 893 if (elf_kind(ed->elf) == ELF_K_ELF) { 894 printf("\n%s(%s):\n", ed->archive, name); 895 elf_print_elf(ed); 896 } 897 elf_end(ed->elf); 898 free(buff); 899 } 900 AC(archive_read_close(a)); 901 AC(archive_read_free(a)); 902} 903 904#else /* USE_LIBARCHIVE_AR */ 905 906/* 907 * Dump an ar(1) archive. 908 */ 909static void 910elf_print_ar(struct elfdump *ed, int fd) 911{ 912 Elf *e; 913 Elf_Arhdr *arh; 914 Elf_Arsym *arsym; 915 Elf_Cmd cmd; 916 char idx[10];
|
1232 size_t cnt; 1233 int i;
| 917 size_t cnt, 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");
| 918 919 ed->ar = ed->elf; 920 921 if (ed->flags & PRINT_ARSYM) { 922 cnt = 0; 923 if ((arsym = elf_getarsym(ed->ar, &cnt)) == NULL) { 924 warnx("elf_getarsym failed: %s", elf_errmsg(-1)); 925 goto print_members; 926 } 927 if (cnt == 0) 928 goto print_members; 929 if (ed->flags & SOLARIS_FMT) { 930 PRT("\nSymbol Table: (archive)\n"); 931 PRT(" index offset member name and symbol\n"); 932 } else 933 PRT("\nsymbol table (archive):\n");
|
1250 for (i = 0; (size_t)i < cnt - 1; i++) {
| 934 for (i = 0; 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) {
| 935 if (elf_rand(ed->ar, arsym[i].as_off) != 936 arsym[i].as_off) { 937 warnx("elf_rand failed: %s", elf_errmsg(-1)); 938 break; 939 } 940 if ((e = elf_begin(fd, ELF_C_READ, ed->ar)) == NULL) { 941 warnx("elf_begin failed: %s", elf_errmsg(-1)); 942 break; 943 } 944 if ((arh = elf_getarhdr(e)) == NULL) { 945 warnx("elf_getarhdr failed: %s", 946 elf_errmsg(-1)); 947 break; 948 } 949 if (ed->flags & SOLARIS_FMT) {
|
1266 snprintf(idx, sizeof(idx), "[%d]", i);
| 950 snprintf(idx, sizeof(idx), "[%zu]", 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 {
| 951 PRT("%10s ", idx); 952 PRT("0x%8.8jx ", 953 (uintmax_t)arsym[i].as_off); 954 PRT("(%s):%s\n", arh->ar_name, 955 arsym[i].as_name); 956 } else {
|
1273 PRT("\nentry: %d\n", i);
| 957 PRT("\nentry: %zu\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 *
| 958 PRT("\toffset: %#jx\n", 959 (uintmax_t)arsym[i].as_off); 960 PRT("\tmember: %s\n", arh->ar_name); 961 PRT("\tsymbol: %s\n", arsym[i].as_name); 962 } 963 elf_end(e); 964 } 965 966 /* No need to continue if we only dump ARSYM. */ 967 if (ed->flags & ONLY_ARSYM) 968 return; 969 } 970 971print_members: 972 973 /* Rewind the archive. */ 974 if (elf_rand(ed->ar, SARMAG) != SARMAG) { 975 warnx("elf_rand failed: %s", elf_errmsg(-1)); 976 return; 977 } 978 979 /* Dump each member of the archive. */ 980 cmd = ELF_C_READ; 981 while ((ed->elf = elf_begin(fd, cmd, ed->ar)) != NULL) { 982 /* Skip non-ELF member. */ 983 if (elf_kind(ed->elf) == ELF_K_ELF) { 984 if ((arh = elf_getarhdr(ed->elf)) == NULL) { 985 warnx("elf_getarhdr failed: %s", 986 elf_errmsg(-1)); 987 break; 988 } 989 printf("\n%s(%s):\n", ed->archive, arh->ar_name); 990 elf_print_elf(ed); 991 } 992 cmd = elf_next(ed->elf); 993 elf_end(ed->elf); 994 } 995} 996 997#endif /* USE_LIBARCHIVE_AR */ 998 999/* 1000 * Dump an object. (ELF object or ar(1) archive) 1001 */ 1002static void 1003elf_print_object(struct elfdump *ed) 1004{ 1005 int fd; 1006 1007 if ((fd = open(ed->filename, O_RDONLY)) == -1) { 1008 warn("open %s failed", ed->filename); 1009 return; 1010 } 1011 1012#ifdef USE_LIBARCHIVE_AR 1013 if (ac_detect_ar(fd)) { 1014 ed->archive = ed->filename; 1015 ac_print_ar(ed, fd); 1016 return; 1017 } 1018#endif /* USE_LIBARCHIVE_AR */ 1019 1020 if ((ed->elf = elf_begin(fd, ELF_C_READ, NULL)) == NULL) { 1021 warnx("elf_begin() failed: %s", elf_errmsg(-1)); 1022 return; 1023 } 1024 1025 switch (elf_kind(ed->elf)) { 1026 case ELF_K_NONE: 1027 warnx("Not an ELF file."); 1028 return; 1029 case ELF_K_ELF: 1030 if (ed->flags & PRINT_FILENAME) 1031 printf("\n%s:\n", ed->filename); 1032 elf_print_elf(ed); 1033 break; 1034 case ELF_K_AR: 1035#ifndef USE_LIBARCHIVE_AR 1036 ed->archive = ed->filename; 1037 elf_print_ar(ed, fd); 1038#endif 1039 break; 1040 default: 1041 warnx("Internal: libelf returned unknown elf kind."); 1042 return; 1043 } 1044 1045 elf_end(ed->elf); 1046} 1047 1048/* 1049 * Dump an ELF object. 1050 */ 1051static void 1052elf_print_elf(struct elfdump *ed) 1053{ 1054 1055 if (gelf_getehdr(ed->elf, &ed->ehdr) == NULL) { 1056 warnx("gelf_getehdr failed: %s", elf_errmsg(-1)); 1057 return; 1058 } 1059 if ((ed->ec = gelf_getclass(ed->elf)) == ELFCLASSNONE) { 1060 warnx("gelf_getclass failed: %s", elf_errmsg(-1)); 1061 return; 1062 } 1063 1064 if (ed->options & (ED_SHDR | ED_DYN | ED_REL | ED_GOT | ED_SYMTAB | 1065 ED_SYMVER | ED_NOTE | ED_HASH)) 1066 load_sections(ed); 1067 1068 if (ed->options & ED_EHDR) 1069 elf_print_ehdr(ed); 1070 if (ed->options & ED_PHDR) 1071 elf_print_phdr(ed); 1072 if (ed->options & ED_INTERP) 1073 elf_print_interp(ed); 1074 if (ed->options & ED_SHDR) 1075 elf_print_shdr(ed); 1076 if (ed->options & ED_DYN) 1077 elf_print_dynamic(ed); 1078 if (ed->options & ED_REL) 1079 elf_print_reloc(ed); 1080 if (ed->options & ED_GOT) 1081 elf_print_got(ed); 1082 if (ed->options & ED_SYMTAB) 1083 elf_print_symtabs(ed); 1084 if (ed->options & ED_SYMVER) 1085 elf_print_symver(ed); 1086 if (ed->options & ED_NOTE) 1087 elf_print_note(ed); 1088 if (ed->options & ED_HASH) 1089 elf_print_hash(ed); 1090 if (ed->options & ED_CHECKSUM) 1091 elf_print_checksum(ed); 1092 1093 unload_sections(ed); 1094} 1095 1096/* 1097 * Read the section headers from ELF object and store them in the 1098 * internal cache. 1099 */ 1100static void 1101load_sections(struct elfdump *ed) 1102{ 1103 struct section *s; 1104 const char *name; 1105 Elf_Scn *scn; 1106 GElf_Shdr sh; 1107 size_t shstrndx, ndx; 1108 int elferr; 1109 1110 assert(ed->sl == NULL); 1111 1112 if (!elf_getshnum(ed->elf, &ed->shnum)) { 1113 warnx("elf_getshnum failed: %s", elf_errmsg(-1)); 1114 return; 1115 } 1116 if (ed->shnum == 0) 1117 return; 1118 if ((ed->sl = calloc(ed->shnum, sizeof(*ed->sl))) == NULL) 1119 err(EXIT_FAILURE, "calloc failed"); 1120 if (!elf_getshstrndx(ed->elf, &shstrndx)) { 1121 warnx("elf_getshstrndx failed: %s", elf_errmsg(-1)); 1122 return; 1123 } 1124 if ((scn = elf_getscn(ed->elf, 0)) == NULL) { 1125 warnx("elf_getscn failed: %s", elf_errmsg(-1)); 1126 return; 1127 } 1128 (void) elf_errno(); 1129 do { 1130 if (gelf_getshdr(scn, &sh) == NULL) { 1131 warnx("gelf_getshdr failed: %s", elf_errmsg(-1)); 1132 (void) elf_errno(); 1133 continue; 1134 } 1135 if ((name = elf_strptr(ed->elf, shstrndx, sh.sh_name)) == NULL) { 1136 (void) elf_errno(); 1137 name = "ERROR"; 1138 } 1139 if ((ndx = elf_ndxscn(scn)) == SHN_UNDEF) 1140 if ((elferr = elf_errno()) != 0) { 1141 warnx("elf_ndxscn failed: %s", 1142 elf_errmsg(elferr)); 1143 continue; 1144 } 1145 if (ndx >= ed->shnum) { 1146 warnx("section index of '%s' out of range", name); 1147 continue; 1148 } 1149 s = &ed->sl[ndx]; 1150 s->name = name; 1151 s->scn = scn; 1152 s->off = sh.sh_offset; 1153 s->sz = sh.sh_size; 1154 s->entsize = sh.sh_entsize; 1155 s->align = sh.sh_addralign; 1156 s->type = sh.sh_type; 1157 s->flags = sh.sh_flags; 1158 s->addr = sh.sh_addr; 1159 s->link = sh.sh_link; 1160 s->info = sh.sh_info; 1161 } while ((scn = elf_nextscn(ed->elf, scn)) != NULL); 1162 elferr = elf_errno(); 1163 if (elferr != 0) 1164 warnx("elf_nextscn failed: %s", elf_errmsg(elferr)); 1165} 1166 1167/* 1168 * Release section related resources. 1169 */ 1170static void 1171unload_sections(struct elfdump *ed) 1172{ 1173 if (ed->sl != NULL) { 1174 free(ed->sl); 1175 ed->sl = NULL; 1176 } 1177} 1178 1179/* 1180 * Add a name to the '-N' name list. 1181 */ 1182static void 1183add_name(struct elfdump *ed, const char *name) 1184{ 1185 struct spec_name *sn; 1186 1187 if (find_name(ed, name)) 1188 return; 1189 if ((sn = malloc(sizeof(*sn))) == NULL) { 1190 warn("malloc failed"); 1191 return; 1192 } 1193 sn->name = name; 1194 STAILQ_INSERT_TAIL(&ed->snl, sn, sn_list); 1195} 1196 1197/* 1198 * Lookup a name in the '-N' name list. 1199 */ 1200static struct spec_name * 1201find_name(struct elfdump *ed, const char *name) 1202{ 1203 struct spec_name *sn; 1204 1205 STAILQ_FOREACH(sn, &ed->snl, sn_list) { 1206 if (!strcmp(sn->name, name)) 1207 return (sn); 1208 } 1209 1210 return (NULL); 1211} 1212 1213/* 1214 * Retrieve the name of a symbol using the section index of the symbol 1215 * table and the index of the symbol within that table. 1216 */ 1217static const char *
|
1534get_symbol_name(struct elfdump *ed, int symtab, int i)
| 1218get_symbol_name(struct elfdump *ed, uint32_t 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
| 1219{ 1220 static char sname[64]; 1221 struct section *s; 1222 const char *name; 1223 GElf_Sym sym; 1224 Elf_Data *data; 1225 int elferr; 1226
|
| 1227 if (symtab >= ed->shnum) 1228 return ("");
|
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",
| 1229 s = &ed->sl[symtab]; 1230 if (s->type != SHT_SYMTAB && s->type != SHT_DYNSYM) 1231 return (""); 1232 (void) elf_errno(); 1233 if ((data = elf_getdata(s->scn, NULL)) == NULL) { 1234 elferr = elf_errno(); 1235 if (elferr != 0) 1236 warnx("elf_getdata failed: %s", elf_errmsg(elferr)); 1237 return (""); 1238 } 1239 if (gelf_getsym(data, i, &sym) != &sym) 1240 return (""); 1241 if (GELF_ST_TYPE(sym.st_info) == STT_SECTION) { 1242 if (sym.st_shndx < ed->shnum) { 1243 snprintf(sname, sizeof(sname), "%s (section)", 1244 ed->sl[sym.st_shndx].name); 1245 return (sname); 1246 } else 1247 return (""); 1248 } 1249 if ((name = elf_strptr(ed->elf, s->link, sym.st_name)) == NULL) 1250 return (""); 1251 1252 return (name); 1253} 1254 1255/* 1256 * Retrieve a string using string table section index and the string offset. 1257 */ 1258static const char* 1259get_string(struct elfdump *ed, int strtab, size_t off) 1260{ 1261 const char *name; 1262 1263 if ((name = elf_strptr(ed->elf, strtab, off)) == NULL) 1264 return (""); 1265 1266 return (name); 1267} 1268 1269/* 1270 * Dump the ELF Executable Header. 1271 */ 1272static void 1273elf_print_ehdr(struct elfdump *ed) 1274{ 1275 1276 if (!STAILQ_EMPTY(&ed->snl)) 1277 return; 1278 1279 if (ed->flags & SOLARIS_FMT) { 1280 PRT("\nELF Header\n"); 1281 PRT(" ei_magic: { %#x, %c, %c, %c }\n", 1282 ed->ehdr.e_ident[0], ed->ehdr.e_ident[1], 1283 ed->ehdr.e_ident[2], ed->ehdr.e_ident[3]); 1284 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]]);
| 1285 elf_class_str(ed->ehdr.e_ident[EI_CLASS])); 1286 PRT(" ei_data: %s\n", 1287 elf_data_str(ed->ehdr.e_ident[EI_DATA]));
|
1601 PRT(" e_machine: %-18s", e_machines(ed->ehdr.e_machine));
| 1288 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]);
| 1289 PRT(" e_version: %s\n", 1290 elf_version_str(ed->ehdr.e_version)); 1291 PRT(" e_type: %s\n", elf_type_str(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",
| 1292 PRT(" e_flags: %18d\n", ed->ehdr.e_flags); 1293 PRT(" e_entry: %#18jx", (uintmax_t)ed->ehdr.e_entry); 1294 PRT(" e_ehsize: %6d", ed->ehdr.e_ehsize); 1295 PRT(" e_shstrndx:%5d\n", ed->ehdr.e_shstrndx); 1296 PRT(" e_shoff: %#18jx", (uintmax_t)ed->ehdr.e_shoff); 1297 PRT(" e_shentsize: %3d", ed->ehdr.e_shentsize); 1298 PRT(" e_shnum: %5d\n", ed->ehdr.e_shnum); 1299 PRT(" e_phoff: %#18jx", (uintmax_t)ed->ehdr.e_phoff); 1300 PRT(" e_phentsize: %3d", ed->ehdr.e_phentsize); 1301 PRT(" e_phnum: %5d\n", ed->ehdr.e_phnum); 1302 } else { 1303 PRT("\nelf header:\n"); 1304 PRT("\n"); 1305 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]],
| 1306 elf_class_str(ed->ehdr.e_ident[EI_CLASS]), 1307 elf_data_str(ed->ehdr.e_ident[EI_DATA]),
|
1620 ei_abis[ed->ehdr.e_ident[EI_OSABI]]);
| 1308 ei_abis[ed->ehdr.e_ident[EI_OSABI]]);
|
1621 PRT("\te_type: %s\n", e_types[ed->ehdr.e_type]);
| 1309 PRT("\te_type: %s\n", elf_type_str(ed->ehdr.e_type));
|
1622 PRT("\te_machine: %s\n", e_machines(ed->ehdr.e_machine));
| 1310 PRT("\te_machine: %s\n", e_machines(ed->ehdr.e_machine));
|
1623 PRT("\te_version: %s\n", ei_versions[ed->ehdr.e_version]);
| 1311 PRT("\te_version: %s\n", elf_version_str(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;
| 1312 PRT("\te_entry: %#jx\n", (uintmax_t)ed->ehdr.e_entry); 1313 PRT("\te_phoff: %ju\n", (uintmax_t)ed->ehdr.e_phoff); 1314 PRT("\te_shoff: %ju\n", (uintmax_t) ed->ehdr.e_shoff); 1315 PRT("\te_flags: %u\n", ed->ehdr.e_flags); 1316 PRT("\te_ehsize: %u\n", ed->ehdr.e_ehsize); 1317 PRT("\te_phentsize: %u\n", ed->ehdr.e_phentsize); 1318 PRT("\te_phnum: %u\n", ed->ehdr.e_phnum); 1319 PRT("\te_shentsize: %u\n", ed->ehdr.e_shentsize); 1320 PRT("\te_shnum: %u\n", ed->ehdr.e_shnum); 1321 PRT("\te_shstrndx: %u\n", ed->ehdr.e_shstrndx); 1322 } 1323} 1324 1325/* 1326 * Dump the ELF Program Header Table. 1327 */ 1328static void 1329elf_print_phdr(struct elfdump *ed) 1330{ 1331 GElf_Phdr ph;
|
1644 size_t phnum; 1645 int header, i;
| 1332 size_t phnum, i; 1333 int header;
|
1646 1647 if (elf_getphnum(ed->elf, &phnum) == 0) { 1648 warnx("elf_getphnum failed: %s", elf_errmsg(-1)); 1649 return; 1650 } 1651 header = 0;
| 1334 1335 if (elf_getphnum(ed->elf, &phnum) == 0) { 1336 warnx("elf_getphnum failed: %s", elf_errmsg(-1)); 1337 return; 1338 } 1339 header = 0;
|
1652 for (i = 0; (u_int64_t) i < phnum; i++) {
| 1340 for (i = 0; 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) &&
| 1341 if (gelf_getphdr(ed->elf, i, &ph) != &ph) { 1342 warnx("elf_getphdr failed: %s", elf_errmsg(-1)); 1343 continue; 1344 } 1345 if (!STAILQ_EMPTY(&ed->snl) &&
|
1658 find_name(ed, p_types[ph.p_type & 0x7]) == NULL)
| 1346 find_name(ed, elf_phdr_type_str(ph.p_type)) == NULL)
|
1659 continue; 1660 if (ed->flags & SOLARIS_FMT) {
| 1347 continue; 1348 if (ed->flags & SOLARIS_FMT) {
|
1661 PRT("\nProgram Header[%d]:\n", i);
| 1349 PRT("\nProgram Header[%zu]:\n", i);
|
1662 PRT(" p_vaddr: %#-14jx", (uintmax_t)ph.p_vaddr);
| 1350 PRT(" p_vaddr: %#-14jx", (uintmax_t)ph.p_vaddr);
|
1663 PRT(" p_flags: [ %s ]\n", p_flags[ph.p_flags]);
| 1351 PRT(" p_flags: [ %s ]\n", 1352 p_flags[ph.p_flags & 0x7]);
|
1664 PRT(" p_paddr: %#-14jx", (uintmax_t)ph.p_paddr);
| 1353 PRT(" p_paddr: %#-14jx", (uintmax_t)ph.p_paddr);
|
1665 PRT(" p_type: [ %s ]\n", p_types[ph.p_type & 0x7]);
| 1354 PRT(" p_type: [ %s ]\n", 1355 elf_phdr_type_str(ph.p_type));
|
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");
| 1356 PRT(" p_filesz: %#-14jx", 1357 (uintmax_t)ph.p_filesz); 1358 PRT(" p_memsz: %#jx\n", (uintmax_t)ph.p_memsz); 1359 PRT(" p_offset: %#-14jx", 1360 (uintmax_t)ph.p_offset); 1361 PRT(" p_align: %#jx\n", (uintmax_t)ph.p_align); 1362 } else { 1363 if (!header) { 1364 PRT("\nprogram header:\n"); 1365 header = 1; 1366 } 1367 PRT("\n");
|
1678 PRT("entry: %d\n", i); 1679 PRT("\tp_type: %s\n", p_types[ph.p_type & 0x7]);
| 1368 PRT("entry: %zu\n", i); 1369 PRT("\tp_type: %s\n", elf_phdr_type_str(ph.p_type));
|
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);
| 1370 PRT("\tp_offset: %ju\n", (uintmax_t)ph.p_offset); 1371 PRT("\tp_vaddr: %#jx\n", (uintmax_t)ph.p_vaddr); 1372 PRT("\tp_paddr: %#jx\n", (uintmax_t)ph.p_paddr); 1373 PRT("\tp_filesz: %ju\n", (uintmax_t)ph.p_filesz); 1374 PRT("\tp_memsz: %ju\n", (uintmax_t)ph.p_memsz);
|
1685 PRT("\tp_flags: %s\n", p_flags[ph.p_flags]);
| 1375 PRT("\tp_flags: %s\n", p_flags[ph.p_flags & 0x7]);
|
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;
| 1376 PRT("\tp_align: %ju\n", (uintmax_t)ph.p_align); 1377 } 1378 } 1379} 1380 1381/* 1382 * Dump the ELF Section Header Table. 1383 */ 1384static void 1385elf_print_shdr(struct elfdump *ed) 1386{ 1387 struct section *s;
|
1698 int i;
| 1388 size_t i;
|
1699 1700 if (!STAILQ_EMPTY(&ed->snl)) 1701 return; 1702 1703 if ((ed->flags & SOLARIS_FMT) == 0) 1704 PRT("\nsection header:\n");
| 1389 1390 if (!STAILQ_EMPTY(&ed->snl)) 1391 return; 1392 1393 if ((ed->flags & SOLARIS_FMT) == 0) 1394 PRT("\nsection header:\n");
|
1705 for (i = 0; (size_t)i < ed->shnum; i++) {
| 1395 for (i = 0; i < ed->shnum; i++) {
|
1706 s = &ed->sl[i]; 1707 if (ed->flags & SOLARIS_FMT) { 1708 if (i == 0) 1709 continue;
| 1396 s = &ed->sl[i]; 1397 if (ed->flags & SOLARIS_FMT) { 1398 if (i == 0) 1399 continue;
|
1710 PRT("\nSection Header[%d]:", i);
| 1400 PRT("\nSection Header[%zu]:", 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); 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); 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;
| 1401 PRT(" sh_name: %s\n", s->name); 1402 PRT(" sh_addr: %#-14jx", (uintmax_t)s->addr); 1403 if (s->flags != 0) 1404 PRT(" sh_flags: [ %s ]\n", sh_flags(s->flags)); 1405 else 1406 PRT(" sh_flags: 0\n"); 1407 PRT(" sh_size: %#-14jx", (uintmax_t)s->sz); 1408 PRT(" sh_type: [ %s ]\n", 1409 sh_types(ed->ehdr.e_machine, s->type)); 1410 PRT(" sh_offset: %#-14jx", (uintmax_t)s->off); 1411 PRT(" sh_entsize: %#jx\n", (uintmax_t)s->entsize); 1412 PRT(" sh_link: %-14u", s->link); 1413 PRT(" sh_info: %u\n", s->info); 1414 PRT(" sh_addralign: %#jx\n", (uintmax_t)s->align); 1415 } else { 1416 PRT("\n"); 1417 PRT("entry: %ju\n", (uintmax_t)i); 1418 PRT("\tsh_name: %s\n", s->name); 1419 PRT("\tsh_type: %s\n", 1420 sh_types(ed->ehdr.e_machine, s->type)); 1421 PRT("\tsh_flags: %s\n", sh_flags(s->flags)); 1422 PRT("\tsh_addr: %#jx\n", (uintmax_t)s->addr); 1423 PRT("\tsh_offset: %ju\n", (uintmax_t)s->off); 1424 PRT("\tsh_size: %ju\n", (uintmax_t)s->sz); 1425 PRT("\tsh_link: %u\n", s->link); 1426 PRT("\tsh_info: %u\n", s->info); 1427 PRT("\tsh_addralign: %ju\n", (uintmax_t)s->align); 1428 PRT("\tsh_entsize: %ju\n", (uintmax_t)s->entsize); 1429 } 1430 } 1431} 1432 1433/* 1434 * Return number of entries in the given section. We'd prefer ent_count be a 1435 * size_t, but libelf APIs already use int for section indices. 1436 */ 1437static int 1438get_ent_count(const struct section *s, int *ent_count) 1439{ 1440 if (s->entsize == 0) { 1441 warnx("section %s has entry size 0", s->name); 1442 return (0); 1443 } else if (s->sz / s->entsize > INT_MAX) { 1444 warnx("section %s has invalid section count", s->name); 1445 return (0); 1446 } 1447 *ent_count = (int)(s->sz / s->entsize); 1448 return (1); 1449} 1450 1451/* 1452 * Retrieve the content of the corresponding SHT_SUNW_versym section for 1453 * a symbol table section. 1454 */ 1455static void 1456get_versym(struct elfdump *ed, int i, uint16_t **vs, int *nvs) 1457{ 1458 struct section *s; 1459 Elf_Data *data;
|
1770 int j, elferr;
| 1460 size_t j; 1461 int elferr;
|
1771 1772 s = NULL;
| 1462 1463 s = NULL;
|
1773 for (j = 0; (size_t)j < ed->shnum; j++) {
| 1464 for (j = 0; j < ed->shnum; j++) {
|
1774 s = &ed->sl[j]; 1775 if (s->type == SHT_SUNW_versym && s->link == (uint32_t)i) 1776 break; 1777 }
| 1465 s = &ed->sl[j]; 1466 if (s->type == SHT_SUNW_versym && s->link == (uint32_t)i) 1467 break; 1468 }
|
1778 if ((size_t)j >= ed->shnum) {
| 1469 if (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); 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", 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{
| 1470 *vs = NULL; 1471 return; 1472 } 1473 (void) elf_errno(); 1474 if ((data = elf_getdata(s->scn, NULL)) == NULL) { 1475 elferr = elf_errno(); 1476 if (elferr != 0) 1477 warnx("elf_getdata failed: %s", elf_errmsg(elferr)); 1478 *vs = NULL; 1479 return; 1480 } 1481 1482 *vs = data->d_buf; 1483 assert(data->d_size == s->sz); 1484 if (!get_ent_count(s, nvs)) 1485 *nvs = 0; 1486} 1487 1488/* 1489 * Dump the symbol table section. 1490 */ 1491static void 1492elf_print_symtab(struct elfdump *ed, int i) 1493{ 1494 struct section *s; 1495 const char *name; 1496 uint16_t *vs; 1497 char idx[10]; 1498 Elf_Data *data; 1499 GElf_Sym sym; 1500 int len, j, elferr, nvs; 1501 1502 s = &ed->sl[i]; 1503 if (ed->flags & SOLARIS_FMT) 1504 PRT("\nSymbol Table Section: %s\n", s->name); 1505 else 1506 PRT("\nsymbol table (%s):\n", s->name); 1507 (void) elf_errno(); 1508 if ((data = elf_getdata(s->scn, NULL)) == NULL) { 1509 elferr = elf_errno(); 1510 if (elferr != 0) 1511 warnx("elf_getdata failed: %s", elf_errmsg(elferr)); 1512 return; 1513 } 1514 vs = NULL; 1515 nvs = 0; 1516 assert(data->d_size == s->sz); 1517 if (!get_ent_count(s, &len)) 1518 return; 1519 if (ed->flags & SOLARIS_FMT) { 1520 if (ed->ec == ELFCLASS32) 1521 PRT(" index value "); 1522 else 1523 PRT(" index value "); 1524 PRT("size type bind oth ver shndx name\n"); 1525 get_versym(ed, i, &vs, &nvs); 1526 if (vs != NULL && nvs != len) { 1527 warnx("#symbol not equal to #versym"); 1528 vs = NULL; 1529 } 1530 } 1531 for (j = 0; j < len; j++) { 1532 if (gelf_getsym(data, j, &sym) != &sym) { 1533 warnx("gelf_getsym failed: %s", elf_errmsg(-1)); 1534 continue; 1535 } 1536 name = get_string(ed, s->link, sym.st_name); 1537 if (ed->flags & SOLARIS_FMT) { 1538 snprintf(idx, sizeof(idx), "[%d]", j); 1539 if (ed->ec == ELFCLASS32) 1540 PRT("%10s ", idx); 1541 else 1542 PRT("%10s ", idx); 1543 PRT("0x%8.8jx ", (uintmax_t)sym.st_value); 1544 if (ed->ec == ELFCLASS32) 1545 PRT("0x%8.8jx ", (uintmax_t)sym.st_size); 1546 else 1547 PRT("0x%12.12jx ", (uintmax_t)sym.st_size); 1548 PRT("%s ", st_type_S(GELF_ST_TYPE(sym.st_info))); 1549 PRT("%s ", st_bindings_S(GELF_ST_BIND(sym.st_info))); 1550 PRT("%c ", st_others[sym.st_other]); 1551 PRT("%3u ", (vs == NULL ? 0 : vs[j])); 1552 PRT("%-11.11s ", sh_name(ed, sym.st_shndx)); 1553 PRT("%s\n", name); 1554 } else { 1555 PRT("\nentry: %d\n", j); 1556 PRT("\tst_name: %s\n", name); 1557 PRT("\tst_value: %#jx\n", (uintmax_t)sym.st_value); 1558 PRT("\tst_size: %ju\n", (uintmax_t)sym.st_size); 1559 PRT("\tst_info: %s %s\n", 1560 st_type(ed->ehdr.e_machine, 1561 GELF_ST_TYPE(sym.st_info)), 1562 st_bindings(GELF_ST_BIND(sym.st_info))); 1563 PRT("\tst_shndx: %ju\n", (uintmax_t)sym.st_shndx); 1564 } 1565 } 1566} 1567 1568/* 1569 * Dump the symbol tables. (.dynsym and .symtab) 1570 */ 1571static void 1572elf_print_symtabs(struct elfdump *ed) 1573{
|
1883 int i;
| 1574 size_t i;
|
1884
| 1575
|
1885 for (i = 0; (size_t)i < ed->shnum; i++)
| 1576 for (i = 0; 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:
| 1577 if ((ed->sl[i].type == SHT_SYMTAB || 1578 ed->sl[i].type == SHT_DYNSYM) && 1579 (STAILQ_EMPTY(&ed->snl) || find_name(ed, ed->sl[i].name))) 1580 elf_print_symtab(ed, i); 1581} 1582 1583/* 1584 * Dump the content of .dynamic section. 1585 */ 1586static void 1587elf_print_dynamic(struct elfdump *ed) 1588{ 1589 struct section *s; 1590 const char *name; 1591 char idx[10]; 1592 Elf_Data *data; 1593 GElf_Dyn dyn; 1594 int elferr, i, len; 1595 1596 s = NULL; 1597 for (i = 0; (size_t)i < ed->shnum; i++) { 1598 s = &ed->sl[i]; 1599 if (s->type == SHT_DYNAMIC && 1600 (STAILQ_EMPTY(&ed->snl) || find_name(ed, s->name))) 1601 break; 1602 } 1603 if ((size_t)i >= ed->shnum) 1604 return; 1605 1606 if (ed->flags & SOLARIS_FMT) { 1607 PRT("Dynamic Section: %s\n", s->name); 1608 PRT(" index tag value\n"); 1609 } else 1610 PRT("\ndynamic:\n"); 1611 (void) elf_errno(); 1612 if ((data = elf_getdata(s->scn, NULL)) == NULL) { 1613 elferr = elf_errno(); 1614 if (elferr != 0) 1615 warnx("elf_getdata failed: %s", elf_errmsg(elferr)); 1616 return; 1617 } 1618 assert(data->d_size == s->sz); 1619 if (!get_ent_count(s, &len)) 1620 return; 1621 for (i = 0; i < len; i++) { 1622 if (gelf_getdyn(data, i, &dyn) != &dyn) { 1623 warnx("gelf_getdyn failed: %s", elf_errmsg(-1)); 1624 continue; 1625 } 1626 1627 if (ed->flags & SOLARIS_FMT) { 1628 snprintf(idx, sizeof(idx), "[%d]", i); 1629 PRT("%10s %-16s ", idx, d_tags(dyn.d_tag)); 1630 } else { 1631 PRT("\n"); 1632 PRT("entry: %d\n", i); 1633 PRT("\td_tag: %s\n", d_tags(dyn.d_tag)); 1634 } 1635 switch(dyn.d_tag) { 1636 case DT_NEEDED: 1637 case DT_SONAME: 1638 case DT_RPATH:
|
| 1639 case DT_RUNPATH:
|
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) {
| 1640 if ((name = elf_strptr(ed->elf, s->link, 1641 dyn.d_un.d_val)) == NULL) 1642 name = ""; 1643 if (ed->flags & SOLARIS_FMT) 1644 PRT("%#-16jx %s\n", (uintmax_t)dyn.d_un.d_val, 1645 name); 1646 else 1647 PRT("\td_val: %s\n", name); 1648 break; 1649 case DT_PLTRELSZ: 1650 case DT_RELA: 1651 case DT_RELASZ: 1652 case DT_RELAENT: 1653 case DT_RELACOUNT: 1654 case DT_STRSZ: 1655 case DT_SYMENT: 1656 case DT_RELSZ: 1657 case DT_RELENT: 1658 case DT_PLTREL: 1659 case DT_VERDEF: 1660 case DT_VERDEFNUM: 1661 case DT_VERNEED: 1662 case DT_VERNEEDNUM: 1663 case DT_VERSYM: 1664 if (ed->flags & SOLARIS_FMT) 1665 PRT("%#jx\n", (uintmax_t)dyn.d_un.d_val); 1666 else 1667 PRT("\td_val: %ju\n", 1668 (uintmax_t)dyn.d_un.d_val); 1669 break; 1670 case DT_PLTGOT: 1671 case DT_HASH: 1672 case DT_GNU_HASH: 1673 case DT_STRTAB: 1674 case DT_SYMTAB: 1675 case DT_INIT: 1676 case DT_FINI: 1677 case DT_REL: 1678 case DT_JMPREL: 1679 case DT_DEBUG: 1680 if (ed->flags & SOLARIS_FMT) 1681 PRT("%#jx\n", (uintmax_t)dyn.d_un.d_ptr); 1682 else 1683 PRT("\td_ptr: %#jx\n", 1684 (uintmax_t)dyn.d_un.d_ptr); 1685 break; 1686 case DT_NULL: 1687 case DT_SYMBOLIC: 1688 case DT_TEXTREL: 1689 default: 1690 if (ed->flags & SOLARIS_FMT) 1691 PRT("\n"); 1692 break; 1693 } 1694 } 1695} 1696 1697/* 1698 * Dump a .rel/.rela section entry. 1699 */ 1700static void 1701elf_print_rel_entry(struct elfdump *ed, struct section *s, int j, 1702 struct rel_entry *r) 1703{ 1704 1705 if (ed->flags & SOLARIS_FMT) {
|
2014 PRT(" %-23s ", r_type(ed->ehdr.e_machine,
| 1706 PRT(" %-23s ", elftc_reloc_type_str(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;
| 1707 GELF_R_TYPE(r->u_r.rel.r_info))); 1708 PRT("%#12jx ", (uintmax_t)r->u_r.rel.r_offset); 1709 if (r->type == SHT_RELA) 1710 PRT("%10jd ", (intmax_t)r->u_r.rela.r_addend); 1711 else 1712 PRT(" "); 1713 PRT("%-14s ", s->name); 1714 PRT("%s\n", r->symn); 1715 } else { 1716 PRT("\n"); 1717 PRT("entry: %d\n", j); 1718 PRT("\tr_offset: %#jx\n", (uintmax_t)r->u_r.rel.r_offset); 1719 if (ed->ec == ELFCLASS32) 1720 PRT("\tr_info: %#jx\n", (uintmax_t) 1721 ELF32_R_INFO(ELF64_R_SYM(r->u_r.rel.r_info), 1722 ELF64_R_TYPE(r->u_r.rel.r_info))); 1723 else 1724 PRT("\tr_info: %#jx\n", (uintmax_t)r->u_r.rel.r_info); 1725 if (r->type == SHT_RELA) 1726 PRT("\tr_addend: %jd\n", 1727 (intmax_t)r->u_r.rela.r_addend); 1728 } 1729} 1730 1731/* 1732 * Dump a relocation section of type SHT_RELA. 1733 */ 1734static void 1735elf_print_rela(struct elfdump *ed, struct section *s, Elf_Data *data) 1736{ 1737 struct rel_entry r; 1738 int j, len; 1739 1740 if (ed->flags & SOLARIS_FMT) { 1741 PRT("\nRelocation Section: %s\n", s->name); 1742 PRT(" type offset " 1743 "addend section with respect to\n"); 1744 } else 1745 PRT("\nrelocation with addend (%s):\n", s->name); 1746 r.type = SHT_RELA; 1747 assert(data->d_size == s->sz); 1748 if (!get_ent_count(s, &len)) 1749 return; 1750 for (j = 0; j < len; j++) { 1751 if (gelf_getrela(data, j, &r.u_r.rela) != &r.u_r.rela) { 1752 warnx("gelf_getrela failed: %s", 1753 elf_errmsg(-1)); 1754 continue; 1755 } 1756 r.symn = get_symbol_name(ed, s->link, 1757 GELF_R_SYM(r.u_r.rela.r_info)); 1758 elf_print_rel_entry(ed, s, j, &r); 1759 } 1760} 1761 1762/* 1763 * Dump a relocation section of type SHT_REL. 1764 */ 1765static void 1766elf_print_rel(struct elfdump *ed, struct section *s, Elf_Data *data) 1767{ 1768 struct rel_entry r; 1769 int j, len; 1770 1771 if (ed->flags & SOLARIS_FMT) { 1772 PRT("\nRelocation Section: %s\n", s->name); 1773 PRT(" type offset " 1774 "section with respect to\n"); 1775 } else 1776 PRT("\nrelocation (%s):\n", s->name); 1777 r.type = SHT_REL; 1778 assert(data->d_size == s->sz); 1779 if (!get_ent_count(s, &len)) 1780 return; 1781 for (j = 0; j < len; j++) { 1782 if (gelf_getrel(data, j, &r.u_r.rel) != &r.u_r.rel) { 1783 warnx("gelf_getrel failed: %s", elf_errmsg(-1)); 1784 continue; 1785 } 1786 r.symn = get_symbol_name(ed, s->link, 1787 GELF_R_SYM(r.u_r.rel.r_info)); 1788 elf_print_rel_entry(ed, s, j, &r); 1789 } 1790} 1791 1792/* 1793 * Dump relocation sections. 1794 */ 1795static void 1796elf_print_reloc(struct elfdump *ed) 1797{ 1798 struct section *s; 1799 Elf_Data *data;
|
2108 int i, elferr;
| 1800 size_t i; 1801 int elferr;
|
2109
| 1802
|
2110 for (i = 0; (size_t)i < ed->shnum; i++) {
| 1803 for (i = 0; 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;
| 1804 s = &ed->sl[i]; 1805 if ((s->type == SHT_REL || s->type == SHT_RELA) && 1806 (STAILQ_EMPTY(&ed->snl) || find_name(ed, s->name))) { 1807 (void) elf_errno(); 1808 if ((data = elf_getdata(s->scn, NULL)) == NULL) { 1809 elferr = elf_errno(); 1810 if (elferr != 0) 1811 warnx("elf_getdata failed: %s", 1812 elf_errmsg(elferr)); 1813 continue; 1814 } 1815 if (s->type == SHT_REL) 1816 elf_print_rel(ed, s, data); 1817 else 1818 elf_print_rela(ed, s, data); 1819 } 1820 } 1821} 1822 1823/* 1824 * Dump the content of PT_INTERP segment. 1825 */ 1826static void 1827elf_print_interp(struct elfdump *ed) 1828{ 1829 const char *s; 1830 GElf_Phdr phdr;
|
2138 size_t phnum; 2139 int i;
| 1831 size_t filesize, i, phnum;
|
2140 2141 if (!STAILQ_EMPTY(&ed->snl) && find_name(ed, "PT_INTERP") == NULL) 2142 return; 2143
| 1832 1833 if (!STAILQ_EMPTY(&ed->snl) && find_name(ed, "PT_INTERP") == NULL) 1834 return; 1835
|
2144 if ((s = elf_rawfile(ed->elf, NULL)) == NULL) {
| 1836 if ((s = elf_rawfile(ed->elf, &filesize)) == 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 }
| 1837 warnx("elf_rawfile failed: %s", elf_errmsg(-1)); 1838 return; 1839 } 1840 if (!elf_getphnum(ed->elf, &phnum)) { 1841 warnx("elf_getphnum failed: %s", elf_errmsg(-1)); 1842 return; 1843 }
|
2152 for (i = 0; (size_t)i < phnum; i++) {
| 1844 for (i = 0; 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) {
| 1845 if (gelf_getphdr(ed->elf, i, &phdr) != &phdr) { 1846 warnx("elf_getphdr failed: %s", elf_errmsg(-1)); 1847 continue; 1848 } 1849 if (phdr.p_type == PT_INTERP) {
|
| 1850 if (phdr.p_offset >= filesize) { 1851 warnx("invalid phdr offset"); 1852 continue; 1853 }
|
2158 PRT("\ninterp:\n"); 2159 PRT("\t%s\n", s + phdr.p_offset); 2160 } 2161 } 2162} 2163 2164/*
| 1854 PRT("\ninterp:\n"); 1855 PRT("\t%s\n", s + phdr.p_offset); 1856 } 1857 } 1858} 1859 1860/*
|
2165 * Search the relocation sections for entries refering to the .got section.
| 1861 * Search the relocation sections for entries referring 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;
| 1862 */ 1863static void 1864find_gotrel(struct elfdump *ed, struct section *gs, struct rel_entry *got) 1865{ 1866 struct section *s; 1867 struct rel_entry r; 1868 Elf_Data *data;
|
2173 int elferr, i, j, k, len;
| 1869 size_t i; 1870 int elferr, j, k, len;
|
2174
| 1871
|
2175 for(i = 0; (size_t)i < ed->shnum; i++) {
| 1872 for(i = 0; 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
| 1873 s = &ed->sl[i]; 1874 if (s->type != SHT_REL && s->type != SHT_RELA) 1875 continue; 1876 (void) elf_errno(); 1877 if ((data = elf_getdata(s->scn, NULL)) == NULL) { 1878 elferr = elf_errno(); 1879 if (elferr != 0) 1880 warnx("elf_getdata failed: %s", 1881 elf_errmsg(elferr)); 1882 return; 1883 } 1884 memset(&r, 0, sizeof(struct rel_entry)); 1885 r.type = s->type; 1886 assert(data->d_size == s->sz); 1887 if (!get_ent_count(s, &len)) 1888 return; 1889 for (j = 0; j < len; j++) { 1890 if (s->type == SHT_REL) { 1891 if (gelf_getrel(data, j, &r.u_r.rel) != 1892 &r.u_r.rel) { 1893 warnx("gelf_getrel failed: %s", 1894 elf_errmsg(-1)); 1895 continue; 1896 } 1897 } else { 1898 if (gelf_getrela(data, j, &r.u_r.rela) != 1899 &r.u_r.rela) { 1900 warnx("gelf_getrel failed: %s", 1901 elf_errmsg(-1)); 1902 continue; 1903 } 1904 } 1905 if (r.u_r.rel.r_offset >= gs->addr && 1906 r.u_r.rel.r_offset < gs->addr + gs->sz) { 1907 r.symn = get_symbol_name(ed, s->link, 1908 GELF_R_SYM(r.u_r.rel.r_info)); 1909 k = (r.u_r.rel.r_offset - gs->addr) / 1910 gs->entsize; 1911 memcpy(&got[k], &r, sizeof(struct rel_entry)); 1912 } 1913 } 1914 } 1915} 1916 1917static void 1918elf_print_got_section(struct elfdump *ed, struct section *s) 1919{ 1920 struct rel_entry *got; 1921 Elf_Data *data, dst; 1922 int elferr, i, len; 1923 1924 if (s->entsize == 0) { 1925 /* XXX IA64 GOT section generated by gcc has entry size 0. */ 1926 if (s->align != 0) 1927 s->entsize = s->align; 1928 else 1929 return; 1930 } 1931 1932 if (!get_ent_count(s, &len)) 1933 return; 1934 if (ed->flags & SOLARIS_FMT) 1935 PRT("\nGlobal Offset Table Section: %s (%d entries)\n", 1936 s->name, len); 1937 else 1938 PRT("\nglobal offset table: %s\n", s->name); 1939 (void) elf_errno(); 1940 if ((data = elf_getdata(s->scn, NULL)) == NULL) { 1941 elferr = elf_errno(); 1942 if (elferr != 0) 1943 warnx("elf_getdata failed: %s", elf_errmsg(elferr)); 1944 return; 1945 } 1946 1947 /* 1948 * 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,
| 1949 * byte stream and will not perform 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) { 2286 PRT("%-8.8jx ", 2287 (uintmax_t) (s->addr + i * s->entsize)); 2288 PRT("%-8.8x ", *((uint32_t *)dst.d_buf + i)); 2289 } else { 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 }
| 1950 * an exlicit call to gelf_xlatetom is needed here. Depends on arch, 1951 * GOT section should be translated to either WORD or XWORD. 1952 */ 1953 if (ed->ec == ELFCLASS32) 1954 data->d_type = ELF_T_WORD; 1955 else 1956 data->d_type = ELF_T_XWORD; 1957 memcpy(&dst, data, sizeof(Elf_Data)); 1958 if (gelf_xlatetom(ed->elf, &dst, data, ed->ehdr.e_ident[EI_DATA]) != 1959 &dst) { 1960 warnx("gelf_xlatetom failed: %s", elf_errmsg(-1)); 1961 return; 1962 } 1963 assert(dst.d_size == s->sz); 1964 if (ed->flags & SOLARIS_FMT) { 1965 /* 1966 * In verbose/Solaris mode, we search the relocation sections 1967 * and try to find the corresponding reloc entry for each GOT 1968 * section entry. 1969 */ 1970 if ((got = calloc(len, sizeof(struct rel_entry))) == NULL) 1971 err(EXIT_FAILURE, "calloc failed"); 1972 find_gotrel(ed, s, got); 1973 if (ed->ec == ELFCLASS32) { 1974 PRT(" ndx addr value reloc "); 1975 PRT("addend symbol\n"); 1976 } else { 1977 PRT(" ndx addr value "); 1978 PRT("reloc addend symbol\n"); 1979 } 1980 for(i = 0; i < len; i++) { 1981 PRT("[%5.5d] ", i); 1982 if (ed->ec == ELFCLASS32) { 1983 PRT("%-8.8jx ", 1984 (uintmax_t) (s->addr + i * s->entsize)); 1985 PRT("%-8.8x ", *((uint32_t *)dst.d_buf + i)); 1986 } else { 1987 PRT("%-16.16jx ", 1988 (uintmax_t) (s->addr + i * s->entsize)); 1989 PRT("%-16.16jx ", 1990 (uintmax_t) *((uint64_t *)dst.d_buf + i)); 1991 }
|
2295 PRT("%-18s ", r_type(ed->ehdr.e_machine,
| 1992 PRT("%-18s ", elftc_reloc_type_str(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 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;
| 1993 GELF_R_TYPE(got[i].u_r.rel.r_info))); 1994 if (ed->ec == ELFCLASS32) 1995 PRT("%-8.8jd ", 1996 (intmax_t)got[i].u_r.rela.r_addend); 1997 else 1998 PRT("%-12.12jd ", 1999 (intmax_t)got[i].u_r.rela.r_addend); 2000 if (got[i].symn == NULL) 2001 got[i].symn = ""; 2002 PRT("%s\n", got[i].symn); 2003 } 2004 free(got); 2005 } else { 2006 for(i = 0; i < len; i++) { 2007 PRT("\nentry: %d\n", i); 2008 if (ed->ec == ELFCLASS32) 2009 PRT("\t%#x\n", *((uint32_t *)dst.d_buf + i)); 2010 else 2011 PRT("\t%#jx\n", 2012 (uintmax_t) *((uint64_t *)dst.d_buf + i)); 2013 } 2014 } 2015} 2016 2017/* 2018 * Dump the content of Global Offset Table section. 2019 */ 2020static void 2021elf_print_got(struct elfdump *ed) 2022{ 2023 struct section *s;
|
2327 int i;
| 2024 size_t i;
|
2328 2329 if (!STAILQ_EMPTY(&ed->snl)) 2330 return; 2331 2332 s = NULL;
| 2025 2026 if (!STAILQ_EMPTY(&ed->snl)) 2027 return; 2028 2029 s = NULL;
|
2333 for (i = 0; (size_t)i < ed->shnum; i++) {
| 2030 for (i = 0; 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;
| 2031 s = &ed->sl[i]; 2032 if (s->name && !strncmp(s->name, ".got", 4) && 2033 (STAILQ_EMPTY(&ed->snl) || find_name(ed, s->name))) 2034 elf_print_got_section(ed, s); 2035 } 2036} 2037 2038/* 2039 * Dump the content of .note.ABI-tag section. 2040 */ 2041static void 2042elf_print_note(struct elfdump *ed) 2043{ 2044 struct section *s; 2045 Elf_Data *data; 2046 Elf_Note *en; 2047 uint32_t namesz; 2048 uint32_t descsz; 2049 uint32_t desc; 2050 size_t count; 2051 int elferr, i;
|
2355 char *src, idx[10];
| 2052 uint8_t *src; 2053 char 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);
| 2054 2055 s = NULL; 2056 for (i = 0; (size_t)i < ed->shnum; i++) { 2057 s = &ed->sl[i]; 2058 if (s->type == SHT_NOTE && s->name && 2059 !strcmp(s->name, ".note.ABI-tag") && 2060 (STAILQ_EMPTY(&ed->snl) || find_name(ed, s->name))) 2061 break; 2062 } 2063 if ((size_t)i >= ed->shnum) 2064 return; 2065 if (ed->flags & SOLARIS_FMT) 2066 PRT("\nNote Section: %s\n", s->name); 2067 else 2068 PRT("\nnote (%s):\n", s->name); 2069 (void) elf_errno(); 2070 if ((data = elf_getdata(s->scn, NULL)) == NULL) { 2071 elferr = elf_errno(); 2072 if (elferr != 0) 2073 warnx("elf_getdata failed: %s", elf_errmsg(elferr)); 2074 return; 2075 } 2076 src = data->d_buf; 2077 count = data->d_size; 2078 while (count > sizeof(Elf_Note)) { 2079 en = (Elf_Note *) (uintptr_t) src; 2080 namesz = en->n_namesz; 2081 descsz = en->n_descsz; 2082 src += sizeof(Elf_Note); 2083 count -= sizeof(Elf_Note);
|
| 2084 if (roundup2(namesz, 4) + roundup2(descsz, 4) > count) { 2085 warnx("truncated note section"); 2086 return; 2087 }
|
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;
| 2088 if (ed->flags & SOLARIS_FMT) { 2089 PRT("\n type %#x\n", en->n_type); 2090 PRT(" namesz %#x:\n", en->n_namesz); 2091 PRT("%s\n", src); 2092 } else 2093 PRT("\t%s ", src); 2094 src += roundup2(namesz, 4); 2095 count -= roundup2(namesz, 4); 2096 2097 /* 2098 * Note that we dump the whole desc part if we're in 2099 * "Solaris mode", while in the normal mode, we only look 2100 * at the first 4 bytes (a 32bit word) of the desc, i.e, 2101 * we assume that it's always a FreeBSD version number. 2102 */ 2103 if (ed->flags & SOLARIS_FMT) { 2104 PRT(" descsz %#x:", en->n_descsz); 2105 for (i = 0; (uint32_t)i < descsz; i++) { 2106 if ((i & 0xF) == 0) { 2107 snprintf(idx, sizeof(idx), "desc[%d]", 2108 i); 2109 PRT("\n %-9s", idx); 2110 } else if ((i & 0x3) == 0) 2111 PRT(" "); 2112 PRT(" %2.2x", src[i]); 2113 } 2114 PRT("\n"); 2115 } else { 2116 if (ed->ehdr.e_ident[EI_DATA] == ELFDATA2MSB) 2117 desc = be32dec(src); 2118 else 2119 desc = le32dec(src); 2120 PRT("%d\n", desc); 2121 } 2122 src += roundup2(descsz, 4); 2123 count -= roundup2(descsz, 4); 2124 } 2125} 2126 2127/* 2128 * Dump a hash table. 2129 */ 2130static void 2131elf_print_svr4_hash(struct elfdump *ed, struct section *s) 2132{ 2133 Elf_Data *data; 2134 uint32_t *buf; 2135 uint32_t *bucket, *chain; 2136 uint32_t nbucket, nchain; 2137 uint32_t *bl, *c, maxl, total;
|
2436 int i, j, first, elferr;
| 2138 uint32_t i, j; 2139 int 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 }
| 2140 char idx[10]; 2141 2142 if (ed->flags & SOLARIS_FMT) 2143 PRT("\nHash Section: %s\n", s->name); 2144 else 2145 PRT("\nhash table (%s):\n", s->name); 2146 (void) elf_errno(); 2147 if ((data = elf_getdata(s->scn, NULL)) == NULL) { 2148 elferr = elf_errno(); 2149 if (elferr != 0) 2150 warnx("elf_getdata failed: %s", 2151 elf_errmsg(elferr)); 2152 return; 2153 } 2154 if (data->d_size < 2 * sizeof(uint32_t)) { 2155 warnx(".hash section too small"); 2156 return; 2157 } 2158 buf = data->d_buf; 2159 nbucket = buf[0]; 2160 nchain = buf[1]; 2161 if (nbucket <= 0 || nchain <= 0) { 2162 warnx("Malformed .hash section"); 2163 return; 2164 }
|
2462 if (data->d_size != (nbucket + nchain + 2) * sizeof(uint32_t)) {
| 2165 if (data->d_size != 2166 ((uint64_t)nbucket + (uint64_t)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");
| 2167 warnx("Malformed .hash section"); 2168 return; 2169 } 2170 bucket = &buf[2]; 2171 chain = &buf[2 + nbucket]; 2172 2173 if (ed->flags & SOLARIS_FMT) { 2174 maxl = 0; 2175 if ((bl = calloc(nbucket, sizeof(*bl))) == NULL) 2176 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])
| 2177 for (i = 0; i < nbucket; i++) 2178 for (j = bucket[i]; j > 0 && j < nchain; 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");
| 2179 if (++bl[i] > maxl) 2180 maxl = bl[i]; 2181 if ((c = calloc(maxl + 1, sizeof(*c))) == NULL) 2182 err(EXIT_FAILURE, "calloc failed");
|
2480 for (i = 0; (uint32_t)i < nbucket; i++)
| 2183 for (i = 0; i < nbucket; i++)
|
2481 c[bl[i]]++; 2482 PRT(" bucket symndx name\n");
| 2184 c[bl[i]]++; 2185 PRT(" bucket symndx name\n");
|
2483 for (i = 0; (uint32_t)i < nbucket; i++) {
| 2186 for (i = 0; i < nbucket; i++) {
|
2484 first = 1;
| 2187 first = 1;
|
2485 for (j = bucket[i]; j > 0 && (uint32_t)j < nchain; 2486 j = chain[j]) {
| 2188 for (j = bucket[i]; j > 0 && j < nchain; 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;
| 2189 if (first) { 2190 PRT("%10d ", i); 2191 first = 0; 2192 } else 2193 PRT(" "); 2194 snprintf(idx, sizeof(idx), "[%d]", j); 2195 PRT("%-10s ", idx); 2196 PRT("%s\n", get_symbol_name(ed, s->link, j)); 2197 } 2198 } 2199 PRT("\n"); 2200 total = 0;
|
2499 for (i = 0; (uint32_t)i <= maxl; i++) {
| 2201 for (i = 0; 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);
| 2202 total += c[i] * i; 2203 PRT("%10u buckets contain %8d symbols\n", c[i], i); 2204 } 2205 PRT("%10u buckets %8u symbols (globals)\n", nbucket, 2206 total); 2207 } else { 2208 PRT("\nnbucket: %u\n", nbucket); 2209 PRT("nchain: %u\n\n", nchain);
|
2508 for (i = 0; (uint32_t)i < nbucket; i++)
| 2210 for (i = 0; i < nbucket; i++)
|
2509 PRT("bucket[%d]:\n\t%u\n\n", i, bucket[i]);
| 2211 PRT("bucket[%d]:\n\t%u\n\n", i, bucket[i]);
|
2510 for (i = 0; (uint32_t)i < nchain; i++)
| 2212 for (i = 0; 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;
| 2213 PRT("chain[%d]:\n\t%u\n\n", i, chain[i]); 2214 } 2215} 2216 2217/* 2218 * Dump a 64bit hash table. 2219 */ 2220static void 2221elf_print_svr4_hash64(struct elfdump *ed, struct section *s) 2222{ 2223 Elf_Data *data, dst; 2224 uint64_t *buf; 2225 uint64_t *bucket, *chain; 2226 uint64_t nbucket, nchain; 2227 uint64_t *bl, *c, maxl, total;
|
2526 int i, j, elferr, first;
| 2228 uint64_t i, j; 2229 int 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");
| 2230 char idx[10]; 2231 2232 if (ed->flags & SOLARIS_FMT) 2233 PRT("\nHash Section: %s\n", s->name); 2234 else 2235 PRT("\nhash table (%s):\n", s->name); 2236 2237 /* 2238 * ALPHA uses 64-bit hash entries. Since libelf assumes that 2239 * .hash section contains only 32-bit entry, an explicit 2240 * gelf_xlatetom is needed here. 2241 */ 2242 (void) elf_errno(); 2243 if ((data = elf_rawdata(s->scn, NULL)) == NULL) { 2244 elferr = elf_errno(); 2245 if (elferr != 0) 2246 warnx("elf_rawdata failed: %s", 2247 elf_errmsg(elferr)); 2248 return; 2249 } 2250 data->d_type = ELF_T_XWORD; 2251 memcpy(&dst, data, sizeof(Elf_Data)); 2252 if (gelf_xlatetom(ed->elf, &dst, data, 2253 ed->ehdr.e_ident[EI_DATA]) != &dst) { 2254 warnx("gelf_xlatetom failed: %s", elf_errmsg(-1)); 2255 return; 2256 } 2257 if (dst.d_size < 2 * sizeof(uint64_t)) { 2258 warnx(".hash section too small"); 2259 return; 2260 } 2261 buf = dst.d_buf; 2262 nbucket = buf[0]; 2263 nchain = buf[1]; 2264 if (nbucket <= 0 || nchain <= 0) { 2265 warnx("Malformed .hash section"); 2266 return; 2267 } 2268 if (dst.d_size != (nbucket + nchain + 2) * sizeof(uint64_t)) { 2269 warnx("Malformed .hash section"); 2270 return; 2271 } 2272 bucket = &buf[2]; 2273 chain = &buf[2 + nbucket]; 2274 2275 if (ed->flags & SOLARIS_FMT) { 2276 maxl = 0; 2277 if ((bl = calloc(nbucket, sizeof(*bl))) == NULL) 2278 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])
| 2279 for (i = 0; i < nbucket; i++) 2280 for (j = bucket[i]; j > 0 && j < nchain; 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");
| 2281 if (++bl[i] > maxl) 2282 maxl = bl[i]; 2283 if ((c = calloc(maxl + 1, sizeof(*c))) == NULL) 2284 err(EXIT_FAILURE, "calloc failed");
|
2583 for (i = 0; (uint64_t)i < nbucket; i++)
| 2285 for (i = 0; i < nbucket; i++)
|
2584 c[bl[i]]++; 2585 PRT(" bucket symndx name\n");
| 2286 c[bl[i]]++; 2287 PRT(" bucket symndx name\n");
|
2586 for (i = 0; (uint64_t)i < nbucket; i++) {
| 2288 for (i = 0; i < nbucket; i++) {
|
2587 first = 1;
| 2289 first = 1;
|
2588 for (j = bucket[i]; j > 0 && (uint64_t)j < nchain; 2589 j = chain[j]) {
| 2290 for (j = bucket[i]; j > 0 && j < nchain; j = chain[j]) {
|
2590 if (first) {
| 2291 if (first) {
|
2591 PRT("%10d ", i);
| 2292 PRT("%10zu ", i);
|
2592 first = 0; 2593 } else 2594 PRT(" ");
| 2293 first = 0; 2294 } else 2295 PRT(" ");
|
2595 snprintf(idx, sizeof(idx), "[%d]", j);
| 2296 snprintf(idx, sizeof(idx), "[%zu]", (size_t)j);
|
2596 PRT("%-10s ", idx); 2597 PRT("%s\n", get_symbol_name(ed, s->link, j)); 2598 } 2599 } 2600 PRT("\n"); 2601 total = 0;
| 2297 PRT("%-10s ", idx); 2298 PRT("%s\n", get_symbol_name(ed, s->link, j)); 2299 } 2300 } 2301 PRT("\n"); 2302 total = 0;
|
2602 for (i = 0; (uint64_t)i <= maxl; i++) {
| 2303 for (i = 0; i <= maxl; i++) {
|
2603 total += c[i] * i;
| 2304 total += c[i] * i;
|
2604 PRT("%10ju buckets contain %8d symbols\n",
| 2305 PRT("%10ju buckets contain %8zu 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);
| 2306 (uintmax_t)c[i], i); 2307 } 2308 PRT("%10ju buckets %8ju symbols (globals)\n", 2309 (uintmax_t)nbucket, (uintmax_t)total); 2310 } else { 2311 PRT("\nnbucket: %ju\n", (uintmax_t)nbucket); 2312 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]);
| 2313 for (i = 0; i < nbucket; i++) 2314 PRT("bucket[%zu]:\n\t%ju\n\n", i, (uintmax_t)bucket[i]); 2315 for (i = 0; i < nchain; i++) 2316 PRT("chain[%zu]:\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;
| 2317 } 2318 2319} 2320 2321/* 2322 * Dump a GNU hash table. 2323 */ 2324static void 2325elf_print_gnu_hash(struct elfdump *ed, struct section *s) 2326{ 2327 struct section *ds; 2328 Elf_Data *data; 2329 uint32_t *buf; 2330 uint32_t *bucket, *chain; 2331 uint32_t nbucket, nchain, symndx, maskwords, shift2; 2332 uint32_t *bl, *c, maxl, total;
|
2632 int i, j, first, elferr, dynsymcount;
| 2333 uint32_t i, j; 2334 int 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;
| 2335 char idx[10]; 2336 2337 if (ed->flags & SOLARIS_FMT) 2338 PRT("\nGNU Hash Section: %s\n", s->name); 2339 else 2340 PRT("\ngnu hash table (%s):\n", s->name); 2341 (void) elf_errno(); 2342 if ((data = elf_getdata(s->scn, NULL)) == NULL) { 2343 elferr = elf_errno(); 2344 if (elferr != 0) 2345 warnx("elf_getdata failed: %s", 2346 elf_errmsg(elferr)); 2347 return; 2348 } 2349 if (data->d_size < 4 * sizeof(uint32_t)) { 2350 warnx(".gnu.hash section too small"); 2351 return; 2352 } 2353 buf = data->d_buf; 2354 nbucket = buf[0]; 2355 symndx = buf[1]; 2356 maskwords = buf[2]; 2357 shift2 = buf[3]; 2358 buf += 4;
|
| 2359 if (s->link >= ed->shnum) { 2360 warnx("Malformed .gnu.hash section"); 2361 return; 2362 }
|
2657 ds = &ed->sl[s->link]; 2658 if (!get_ent_count(ds, &dynsymcount)) 2659 return;
| 2363 ds = &ed->sl[s->link]; 2364 if (!get_ent_count(ds, &dynsymcount)) 2365 return;
|
| 2366 if (symndx >= (uint32_t)dynsymcount) { 2367 warnx("Malformed .gnu.hash section"); 2368 return; 2369 }
|
2660 nchain = dynsymcount - symndx; 2661 if (data->d_size != 4 * sizeof(uint32_t) + maskwords * 2662 (ed->ec == ELFCLASS32 ? sizeof(uint32_t) : sizeof(uint64_t)) +
| 2370 nchain = dynsymcount - symndx; 2371 if (data->d_size != 4 * sizeof(uint32_t) + maskwords * 2372 (ed->ec == ELFCLASS32 ? sizeof(uint32_t) : sizeof(uint64_t)) +
|
2663 (nbucket + nchain) * sizeof(uint32_t)) {
| 2373 ((uint64_t)nbucket + (uint64_t)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");
| 2374 warnx("Malformed .gnu.hash section"); 2375 return; 2376 } 2377 bucket = buf + (ed->ec == ELFCLASS32 ? maskwords : maskwords * 2); 2378 chain = bucket + nbucket; 2379 2380 if (ed->flags & SOLARIS_FMT) { 2381 maxl = 0; 2382 if ((bl = calloc(nbucket, sizeof(*bl))) == NULL) 2383 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++) {
| 2384 for (i = 0; i < nbucket; i++) 2385 for (j = bucket[i]; j > 0 && j - symndx < nchain; 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");
| 2386 if (++bl[i] > maxl) 2387 maxl = bl[i]; 2388 if (chain[j - symndx] & 1) 2389 break; 2390 } 2391 if ((c = calloc(maxl + 1, sizeof(*c))) == NULL) 2392 err(EXIT_FAILURE, "calloc failed");
|
2685 for (i = 0; (uint32_t)i < nbucket; i++)
| 2393 for (i = 0; i < nbucket; i++)
|
2686 c[bl[i]]++; 2687 PRT(" bucket symndx name\n");
| 2394 c[bl[i]]++; 2395 PRT(" bucket symndx name\n");
|
2688 for (i = 0; (uint32_t)i < nbucket; i++) {
| 2396 for (i = 0; i < nbucket; i++) {
|
2689 first = 1;
| 2397 first = 1;
|
2690 for (j = bucket[i]; 2691 j > 0 && (uint32_t)j - symndx < nchain; 2692 j++) {
| 2398 for (j = bucket[i]; j > 0 && j - symndx < nchain; 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;
| 2399 if (first) { 2400 PRT("%10d ", i); 2401 first = 0; 2402 } else 2403 PRT(" "); 2404 snprintf(idx, sizeof(idx), "[%d]", j ); 2405 PRT("%-10s ", idx); 2406 PRT("%s\n", get_symbol_name(ed, s->link, j)); 2407 if (chain[j - symndx] & 1) 2408 break; 2409 } 2410 } 2411 PRT("\n"); 2412 total = 0;
|
2707 for (i = 0; (uint32_t)i <= maxl; i++) {
| 2413 for (i = 0; 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);
| 2414 total += c[i] * i; 2415 PRT("%10u buckets contain %8d symbols\n", c[i], i); 2416 } 2417 PRT("%10u buckets %8u symbols (globals)\n", nbucket, 2418 total); 2419 } else { 2420 PRT("\nnbucket: %u\n", nbucket); 2421 PRT("symndx: %u\n", symndx); 2422 PRT("maskwords: %u\n", maskwords); 2423 PRT("shift2: %u\n", shift2); 2424 PRT("nchain: %u\n\n", nchain);
|
2719 for (i = 0; (uint32_t)i < nbucket; i++)
| 2425 for (i = 0; i < nbucket; i++)
|
2720 PRT("bucket[%d]:\n\t%u\n\n", i, bucket[i]);
| 2426 PRT("bucket[%d]:\n\t%u\n\n", i, bucket[i]);
|
2721 for (i = 0; (uint32_t)i < nchain; i++)
| 2427 for (i = 0; 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;
| 2428 PRT("chain[%d]:\n\t%u\n\n", i, chain[i]); 2429 } 2430} 2431 2432/* 2433 * Dump hash tables. 2434 */ 2435static void 2436elf_print_hash(struct elfdump *ed) 2437{ 2438 struct section *s;
|
2733 int i;
| 2439 size_t i;
|
2734
| 2440
|
2735 for (i = 0; (size_t)i < ed->shnum; i++) {
| 2441 for (i = 0; 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;
| 2442 s = &ed->sl[i]; 2443 if ((s->type == SHT_HASH || s->type == SHT_GNU_HASH) && 2444 (STAILQ_EMPTY(&ed->snl) || find_name(ed, s->name))) { 2445 if (s->type == SHT_GNU_HASH) 2446 elf_print_gnu_hash(ed, s); 2447 else if (ed->ehdr.e_machine == EM_ALPHA && 2448 s->entsize == 8) 2449 elf_print_svr4_hash64(ed, s); 2450 else 2451 elf_print_svr4_hash(ed, s); 2452 } 2453 } 2454} 2455 2456/* 2457 * Dump the content of a Version Definition(SHT_SUNW_Verdef) Section. 2458 */ 2459static void 2460elf_print_verdef(struct elfdump *ed, struct section *s) 2461{ 2462 Elf_Data *data; 2463 Elf32_Verdef *vd; 2464 Elf32_Verdaux *vda; 2465 const char *str; 2466 char idx[10]; 2467 uint8_t *buf, *end, *buf2; 2468 int i, j, elferr, count; 2469 2470 if (ed->flags & SOLARIS_FMT) 2471 PRT("Version Definition Section: %s\n", s->name); 2472 else 2473 PRT("\nversion definition section (%s):\n", s->name); 2474 (void) elf_errno(); 2475 if ((data = elf_getdata(s->scn, NULL)) == NULL) { 2476 elferr = elf_errno(); 2477 if (elferr != 0) 2478 warnx("elf_getdata failed: %s", 2479 elf_errmsg(elferr)); 2480 return; 2481 } 2482 buf = data->d_buf; 2483 end = buf + data->d_size; 2484 i = 0; 2485 if (ed->flags & SOLARIS_FMT) 2486 PRT(" index version dependency\n"); 2487 while (buf + sizeof(Elf32_Verdef) <= end) { 2488 vd = (Elf32_Verdef *) (uintptr_t) buf; 2489 if (ed->flags & SOLARIS_FMT) { 2490 snprintf(idx, sizeof(idx), "[%d]", vd->vd_ndx); 2491 PRT("%10s ", idx); 2492 } else { 2493 PRT("\nentry: %d\n", i++); 2494 PRT("\tvd_version: %u\n", vd->vd_version); 2495 PRT("\tvd_flags: %u\n", vd->vd_flags); 2496 PRT("\tvd_ndx: %u\n", vd->vd_ndx); 2497 PRT("\tvd_cnt: %u\n", vd->vd_cnt); 2498 PRT("\tvd_hash: %u\n", vd->vd_hash); 2499 PRT("\tvd_aux: %u\n", vd->vd_aux); 2500 PRT("\tvd_next: %u\n\n", vd->vd_next); 2501 } 2502 buf2 = buf + vd->vd_aux; 2503 j = 0; 2504 count = 0; 2505 while (buf2 + sizeof(Elf32_Verdaux) <= end && j < vd->vd_cnt) { 2506 vda = (Elf32_Verdaux *) (uintptr_t) buf2; 2507 str = get_string(ed, s->link, vda->vda_name); 2508 if (ed->flags & SOLARIS_FMT) { 2509 if (count == 0) 2510 PRT("%-26.26s", str); 2511 else if (count == 1) 2512 PRT(" %-20.20s", str); 2513 else { 2514 PRT("\n%40.40s", ""); 2515 PRT("%s", str); 2516 } 2517 } else { 2518 PRT("\t\tvda: %d\n", j++); 2519 PRT("\t\t\tvda_name: %s\n", str); 2520 PRT("\t\t\tvda_next: %u\n", vda->vda_next); 2521 } 2522 if (vda->vda_next == 0) { 2523 if (ed->flags & SOLARIS_FMT) { 2524 if (vd->vd_flags & VER_FLG_BASE) { 2525 if (count == 0) 2526 PRT("%-20.20s", ""); 2527 PRT("%s", "[ BASE ]"); 2528 } 2529 PRT("\n"); 2530 } 2531 break; 2532 } 2533 if (ed->flags & SOLARIS_FMT) 2534 count++; 2535 buf2 += vda->vda_next; 2536 } 2537 if (vd->vd_next == 0) 2538 break; 2539 buf += vd->vd_next; 2540 } 2541} 2542 2543/* 2544 * Dump the content of a Version Needed(SHT_SUNW_Verneed) Section. 2545 */ 2546static void 2547elf_print_verneed(struct elfdump *ed, struct section *s) 2548{ 2549 Elf_Data *data; 2550 Elf32_Verneed *vn; 2551 Elf32_Vernaux *vna; 2552 uint8_t *buf, *end, *buf2; 2553 int i, j, elferr, first; 2554 2555 if (ed->flags & SOLARIS_FMT) 2556 PRT("\nVersion Needed Section: %s\n", s->name); 2557 else 2558 PRT("\nversion need section (%s):\n", s->name); 2559 (void) elf_errno(); 2560 if ((data = elf_getdata(s->scn, NULL)) == NULL) { 2561 elferr = elf_errno(); 2562 if (elferr != 0) 2563 warnx("elf_getdata failed: %s", 2564 elf_errmsg(elferr)); 2565 return; 2566 } 2567 buf = data->d_buf; 2568 end = buf + data->d_size; 2569 if (ed->flags & SOLARIS_FMT) 2570 PRT(" file version\n"); 2571 i = 0; 2572 while (buf + sizeof(Elf32_Verneed) <= end) { 2573 vn = (Elf32_Verneed *) (uintptr_t) buf; 2574 if (ed->flags & SOLARIS_FMT) 2575 PRT(" %-26.26s ", 2576 get_string(ed, s->link, vn->vn_file)); 2577 else { 2578 PRT("\nentry: %d\n", i++); 2579 PRT("\tvn_version: %u\n", vn->vn_version); 2580 PRT("\tvn_cnt: %u\n", vn->vn_cnt); 2581 PRT("\tvn_file: %s\n", 2582 get_string(ed, s->link, vn->vn_file)); 2583 PRT("\tvn_aux: %u\n", vn->vn_aux); 2584 PRT("\tvn_next: %u\n\n", vn->vn_next); 2585 } 2586 buf2 = buf + vn->vn_aux; 2587 j = 0; 2588 first = 1; 2589 while (buf2 + sizeof(Elf32_Vernaux) <= end && j < vn->vn_cnt) { 2590 vna = (Elf32_Vernaux *) (uintptr_t) buf2; 2591 if (ed->flags & SOLARIS_FMT) { 2592 if (!first) 2593 PRT("%40.40s", ""); 2594 else 2595 first = 0; 2596 PRT("%s\n", get_string(ed, s->link, 2597 vna->vna_name)); 2598 } else { 2599 PRT("\t\tvna: %d\n", j++); 2600 PRT("\t\t\tvna_hash: %u\n", vna->vna_hash); 2601 PRT("\t\t\tvna_flags: %u\n", vna->vna_flags); 2602 PRT("\t\t\tvna_other: %u\n", vna->vna_other); 2603 PRT("\t\t\tvna_name: %s\n", 2604 get_string(ed, s->link, vna->vna_name)); 2605 PRT("\t\t\tvna_next: %u\n", vna->vna_next); 2606 } 2607 if (vna->vna_next == 0) 2608 break; 2609 buf2 += vna->vna_next; 2610 } 2611 if (vn->vn_next == 0) 2612 break; 2613 buf += vn->vn_next; 2614 } 2615} 2616 2617/* 2618 * Dump the symbol-versioning sections. 2619 */ 2620static void 2621elf_print_symver(struct elfdump *ed) 2622{ 2623 struct section *s;
|
2918 int i;
| 2624 size_t i;
|
2919
| 2625
|
2920 for (i = 0; (size_t)i < ed->shnum; i++) {
| 2626 for (i = 0; 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}
| 2627 s = &ed->sl[i]; 2628 if (!STAILQ_EMPTY(&ed->snl) && !find_name(ed, s->name)) 2629 continue; 2630 if (s->type == SHT_SUNW_verdef) 2631 elf_print_verdef(ed, s); 2632 if (s->type == SHT_SUNW_verneed) 2633 elf_print_verneed(ed, s); 2634 } 2635} 2636 2637/* 2638 * Dump the ELF checksum. See gelf_checksum(3) for details. 2639 */ 2640static void 2641elf_print_checksum(struct elfdump *ed) 2642{ 2643 2644 if (!STAILQ_EMPTY(&ed->snl)) 2645 return; 2646 2647 PRT("\nelf checksum: %#lx\n", gelf_checksum(ed->elf)); 2648} 2649 2650#define USAGE_MESSAGE "\ 2651Usage: %s [options] file...\n\ 2652 Display information about ELF objects and ar(1) archives.\n\n\ 2653 Options:\n\ 2654 -a Show all information.\n\ 2655 -c Show shared headers.\n\ 2656 -d Show dynamic symbols.\n\ 2657 -e Show the ELF header.\n\ 2658 -G Show the GOT.\n\ 2659 -H | --help Show a usage message and exit.\n\ 2660 -h Show hash values.\n\ 2661 -i Show the dynamic interpreter.\n\ 2662 -k Show the ELF checksum.\n\ 2663 -n Show the contents of note sections.\n\ 2664 -N NAME Show the section named \"NAME\".\n\ 2665 -p Show the program header.\n\ 2666 -r Show relocations.\n\ 2667 -s Show the symbol table.\n\ 2668 -S Use the Solaris elfdump format.\n\ 2669 -v Show symbol-versioning information.\n\ 2670 -V | --version Print a version identifier and exit.\n\ 2671 -w FILE Write output to \"FILE\".\n" 2672 2673static void 2674usage(void) 2675{ 2676 fprintf(stderr, USAGE_MESSAGE, ELFTC_GETPROGNAME()); 2677 exit(EXIT_FAILURE); 2678}
|