1 /* readelf.c -- display contents of an ELF format file
2 Copyright (C) 1998 Free Software Foundation, Inc.
4 Originally developed by Eric Youngdale <eric@andante.jic.com>
5 Modifications by Nick Clifton <nickc@cygnus.com>
7 This file is part of GNU Binutils.
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 2 of the License, or
12 (at your option) any later version.
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
19 You should have received a copy of the GNU General Public License
20 along with this program; if not, write to the Free Software
21 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
42 #ifdef ANSI_PROTOTYPES
48 unsigned int dynamic_addr
;
49 unsigned int dynamic_size
;
51 char * program_name
= "readelf";
53 int dynamic_info
[DT_JMPREL
+ 1];
54 int version_info
[16];
58 unsigned int rel_size
;
61 unsigned int rela_addr
;
62 unsigned int rela_size
;
70 Elf_Shdr
* elf_sections
;
84 long int expected_endian
;
88 "NULL", "NEEDED","PLTRELSZ","PLTGOT","HASH","STRTAB","SYMTAB","RELA",
89 "RELASZ","RELAENT","STRSZ","SYMENT","INIT","FINI","SONAME","RPATH",
90 "SYMBOLIC","REL","RELSZ","RELENT","PLTREL","DEBUG","TEXTREL","JMPREL"
95 "VERNEEDNUM", "VERNEED", "VERDEFNUM", "VERDEF",
96 "", "", "", "", "", "", "", "", "", "", "", "VERSYM"
101 "FILTER", "USED", "AUXILIARY"
105 char * sttinfo
[] = {"NOTYPE","OBJECT","FUNC","SECTION","FILE"};
106 char * stbinfo
[] = {"LOCAL","GLOBAL","WEAK"};
108 #define SECTION_NAME(X) (& header [lastmapped + (X)->sh_name])
110 #define NUM_DUMP_SECTS 100
111 char dump_sects
[NUM_DUMP_SECTS
];
113 #define DISASS_DUMP 2
115 /* Forward declarations for dumb compilers. */
116 static char * get_i386_rel_type
PARAMS ((bfd_vma rtype
));
117 static char * get_m68k_rel_type
PARAMS ((bfd_vma rtype
));
118 static char * get_sparc_rel_type
PARAMS ((bfd_vma rtype
));
119 static char * get_m32r_rel_type
PARAMS ((bfd_vma rtype
));
120 static char * get_v850_rel_type
PARAMS ((bfd_vma rtype
));
121 static char * get_d10v_rel_type
PARAMS ((bfd_vma rtype
));
122 static char * get_d30v_rel_type
PARAMS ((bfd_vma rtype
));
123 static char * get_sh_rel_type
PARAMS ((bfd_vma rtype
));
124 static char * get_mn10300_rel_type
PARAMS ((bfd_vma rtype
));
125 static char * get_mn10200_rel_type
PARAMS ((bfd_vma rtype
));
126 static void dump_relocations
PARAMS ((Elf_Rel
* rpnt
, int rel_size
));
127 static char * get_file_type
PARAMS ((unsigned short e_type
));
128 static char * get_machine_name
PARAMS ((unsigned short e_machine
));
129 static char * get_segment_type
PARAMS ((unsigned long p_type
));
130 static char * get_section_type_name
PARAMS ((unsigned int sh_type
));
131 static void usage
PARAMS ((void));
132 static void parse_args
PARAMS ((int argc
, char ** argv
));
133 static int process_elf_header
PARAMS ((void));
134 static void process_program_headers
PARAMS ((void));
135 static void process_section_headers
PARAMS ((void));
136 static void process_dynamic_segment
PARAMS ((void));
137 static void process_symbol_table
PARAMS ((void));
138 static void process_section_contents
PARAMS ((void));
139 static void process_file
PARAMS ((char * file_name
));
142 #define SWAP2(val) ( (((val) << 8) & (0xff << 8)) \
143 | (((val) >> 8) & (0xff << 0)))
145 #define SWAP4(val) ( (((val) << 24) & (0xff << 24)) \
146 | (((val) << 8) & (0xff << 16)) \
147 | (((val) >> 8) & (0xff << 8)) \
148 | (((val) >> 24) & (0xff << 0)))
150 /* Warning: This macro assumes 8 bits in a char. */
151 #define BYTE_SWAP(pointer, field) \
152 if (sizeof ((pointer)->field) == 2) \
154 unsigned short val = (pointer)->field ; \
155 new_header->field = SWAP2 (val); \
157 else if (sizeof ((pointer)->field) != 4) \
161 unsigned long val = (pointer)->field ; \
162 new_header->field = SWAP4 (val); \
166 #ifdef ANSI_PROTOTYPES
168 error (const char * message
, ...)
172 fprintf (stderr
, _("%s: Error: "), program_name
);
173 va_start (args
, message
);
174 vfprintf (stderr
, message
, args
);
180 warn (const char * message
, ...)
184 fprintf (stderr
, _("%s: Warning: "), program_name
);
185 va_start (args
, message
);
186 vfprintf (stderr
, message
, args
);
197 fprintf (stderr
, _("%s: Error: "), program_name
);
199 message
= va_arg (args
, char *);
200 vfprintf (stderr
, message
, args
);
212 fprintf (stderr
, _("%s: Warning: "), program_name
);
214 message
= va_arg (args
, char *);
215 vfprintf (stderr
, message
, args
);
223 get_i386_rel_type (rtype
)
228 case 0: return "R_386_NONE";
229 case 1: return "R_386_32";
230 case 2: return "R_386_PC32";
231 case 3: return "R_386_GOT32";
232 case 4: return "R_386_PLT32";
233 case 5: return "R_386_COPY";
234 case 6: return "R_386_GLOB_DAT";
235 case 7: return "R_386_JMP_SLOT";
236 case 8: return "R_386_RELATIVE";
237 case 9: return "R_386_GOTOFF";
238 case 10: return "R_386_GOTPC";
239 case 20: return "R_386_16";
240 case 21: return "R_386_PC16";
241 case 22: return "R_386_PC8";
242 case 23: return "R_386_max";
243 default: return _("*INVALID*");
248 get_m68k_rel_type (rtype
)
253 case 0: return "R_68K_NONE";
254 case 1: return "R_68K_32";
255 case 2: return "R_68K_16";
256 case 3: return "R_68K_8";
257 case 4: return "R_68K_PC32";
258 case 5: return "R_68K_PC16";
259 case 6: return "R_68K_PC8";
260 case 7: return "R_68K_GOT32";
261 case 8: return "R_68K_GOT16";
262 case 9: return "R_68K_GOT8";
263 case 10: return "R_68K_GOT32O";
264 case 11: return "R_68K_GOT16O";
265 case 12: return "R_68K_GOT8O";
266 case 13: return "R_68K_PLT32";
267 case 14: return "R_68K_PLT16";
268 case 15: return "R_68K_PLT8";
269 case 16: return "R_68K_PLT32O";
270 case 17: return "R_68K_PLT16O";
271 case 18: return "R_68K_PLT8O";
272 case 19: return "R_68K_COPY";
273 case 20: return "R_68K_GLOB_DAT";
274 case 21: return "R_68K_JMP_SLOT";
275 case 22: return "R_68K_RELATIVE";
276 default: return _("*INVALID*");
282 get_sparc_rel_type (rtype
)
287 case 0: return "R_SPARC_NONE";
288 case 1: return "R_SPARC_8";
289 case 2: return "R_SPARC_16";
290 case 3: return "R_SPARC_32";
291 case 4: return "R_SPARC_DISP8";
292 case 5: return "R_SPARC_DISP16";
293 case 6: return "R_SPARC_DISP32";
294 case 7: return "R_SPARC_WDISP30";
295 case 8: return "R_SPARC_WDISP22";
296 case 9: return "R_SPARC_HI22";
297 case 10: return "R_SPARC_22";
298 case 11: return "R_SPARC_13";
299 case 12: return "R_SPARC_LO10";
300 case 13: return "R_SPARC_GOT10";
301 case 14: return "R_SPARC_GOT13";
302 case 15: return "R_SPARC_GOT22";
303 case 16: return "R_SPARC_PC10";
304 case 17: return "R_SPARC_PC22";
305 case 18: return "R_SPARC_WPLT30";
306 case 19: return "R_SPARC_COPY";
307 case 20: return "R_SPARC_GLOB_DAT";
308 case 21: return "R_SPARC_JMP_SLOT";
309 case 22: return "R_SPARC_RELATIVE";
310 case 23: return "R_SPARC_UA32";
311 case 24: return "R_SPARC_10";
312 case 25: return "R_SPARC_11";
313 case 26: return "R_SPARC_64";
314 case 27: return "R_SPARC_OLO10";
315 case 28: return "R_SPARC_HH22";
316 case 29: return "R_SPARC_HM10";
317 case 30: return "R_SPARC_LM22";
318 case 31: return "R_SPARC_PC_HH22";
319 case 32: return "R_SPARC_PC_HM10";
320 case 33: return "R_SPARC_PC_LM22";
321 case 34: return "R_SPARC_WDISP16";
322 case 35: return "R_SPARC_WDISP19";
323 case 36: return "R_SPARC_UNUSED_42";
324 case 37: return "R_SPARC_7";
325 case 38: return "R_SPARC_5";
326 case 39: return "R_SPARC_6";
327 case 40: return "R_SPARC_DISP64";
328 case 41: return "R_SPARC_PLT64";
329 case 42: return "R_SPARC_HIX22";
330 case 43: return "R_SPARC_LOX10";
331 case 44: return "R_SPARC_H44";
332 case 45: return "R_SPARC_M44";
333 case 46: return "R_SPARC_L44";
334 case 47: return "R_SPARC_REGISTER";
335 case 48: return "R_SPARC_UA64";
336 case 49: return "R_SPARC_UA16";
337 case 50: return "R_SPARC_32LE";
338 default: return _("*INVALID*");
344 get_m32r_rel_type (rtype
)
349 case 0: return "R_M32R_NONE";
350 case 1: return "R_M32R_16";
351 case 2: return "R_M32R_32";
352 case 3: return "R_M32R_24";
353 case 4: return "R_M32R_10_PCREL";
354 case 5: return "R_M32R_18_PCREL";
355 case 6: return "R_M32R_26_PCREL";
356 case 7: return "R_M32R_HI16_ULO";
357 case 8: return "R_M32R_HI16_SLO";
358 case 9: return "R_M32R_LO16";
359 case 10: return "R_M32R_SDA16";
360 default: return _("*INVALID*");
366 get_v850_rel_type (rtype
)
371 case 0: return "R_V850_NONE";
372 case 1: return "R_V850_9_PCREL";
373 case 2: return "R_V850_22_PCREL";
374 case 3: return "R_V850_HI16_S";
375 case 4: return "R_V850_HI16";
376 case 5: return "R_V850_LO16";
377 case 6: return "R_V850_32";
378 case 7: return "R_V850_16";
379 case 8: return "R_V850_8";
380 case 9: return "R_V850_SDA_16_16_OFFSET";
381 case 10: return "R_V850_SDA_15_16_OFFSET";
382 case 11: return "R_V850_ZDA_16_16_OFFSET";
383 case 12: return "R_V850_ZDA_15_16_OFFSET";
384 case 13: return "R_V850_TDA_6_8_OFFSET";
385 case 14: return "R_V850_TDA_7_8_OFFSET";
386 case 15: return "R_V850_TDA_7_7_OFFSET";
387 case 16: return "R_V850_TDA_16_16_OFFSET";
388 /* start-sanitize-v850e */
389 case 17: return "R_V850_TDA_4_5_OFFSET";
390 case 18: return "R_V850_TDA_4_4_OFFSET";
391 case 19: return "R_V850_SDA_16_16_SPLIT_OFFSET";
392 case 20: return "R_V850_ZDA_16_16_SPLIT_OFFSET";
393 case 21: return "R_V850_CALLT_6_7_OFFSET";
394 case 22: return "R_V850_CALLT_16_16_OFFSET";
395 /* end-sanitize-v850e */
396 default: return _("*INVALID*");
402 get_d10v_rel_type (rtype
)
407 case 0: return "R_D10V_NONE";
408 case 1: return "R_D10V_10_PCREL_R";
409 case 2: return "R_D10V_10_PCREL_L";
410 case 3: return "R_D10V_16";
411 case 4: return "R_D10V_18";
412 case 5: return "R_D10V_18_PCREL";
413 case 6: return "R_D10V_32";
414 default: return _("*INVALID*");
420 get_d30v_rel_type (rtype
)
425 case 0: return "R_D30V_NONE";
426 case 1: return "R_D30V_6";
427 case 2: return "R_D30V_9_PCREL";
428 case 3: return "R_D30V_9_PCREL_R";
429 case 4: return "R_D30V_15";
430 case 5: return "R_D30V_15_PCREL";
431 case 6: return "R_D30V_15_PCREL_R";
432 case 7: return "R_D30V_21";
433 case 8: return "R_D30V_21_PCREL";
434 case 9: return "R_D30V_21_PCREL_R";
435 case 10: return "R_D30V_32";
436 case 11: return "R_D30V_32_PCREL";
437 case 12: return "R_D30V_32_NORMAL";
438 default: return _("*INVALID*");
444 get_sh_rel_type (rtype
)
449 case 0: return "R_SH_NONE";
450 case 1: return "R_SH_DIR32";
451 case 2: return "R_SH_REL32";
452 case 3: return "R_SH_DIR8WPN";
453 case 4: return "R_SH_IND12W";
454 case 5: return "R_SH_DIR8WPL";
455 case 6: return "R_SH_DIR8WPZ";
456 case 7: return "R_SH_DIR8BP";
457 case 8: return "R_SH_DIR8W";
458 case 9: return "R_SH_DIR8L";
459 case 25: return "R_SH_SWITCH16";
460 case 26: return "R_SH_SWITCH32";
461 case 27: return "R_SH_USES";
462 case 28: return "R_SH_COUNT";
463 case 29: return "R_SH_ALIGN";
464 case 30: return "R_SH_CODE";
465 case 31: return "R_SH_DATA";
466 case 32: return "R_SH_LABEL";
467 default: return _("*INVALID*");
473 get_mn10300_rel_type (rtype
)
478 case 0: return "R_MN10300_NONE";
479 case 1: return "R_MN10300_32";
480 case 2: return "R_MN10300_16";
481 case 3: return "R_MN10300_8";
482 case 4: return "R_MN10300_PCREL32";
483 case 5: return "R_MN10300_PCREL16";
484 case 6: return "R_MN10300_PCREL8";
485 default: return _("*INVALID*");
491 get_mn10200_rel_type (rtype
)
496 case 0: return "R_MN10200_NONE";
497 case 1: return "R_MN10200_32";
498 case 2: return "R_MN10200_16";
499 case 3: return "R_MN10200_8";
500 case 4: return "R_MN10200_24";
501 case 5: return "R_MN10200_PCREL8";
502 case 6: return "R_MN10200_PCREL16";
503 case 7: return "R_MN10200_PCREL24";
504 default: return _("*INVALID*");
510 dump_relocations (rpnt
, rel_size
)
517 Elf_Rela
* relocs
= NULL
;
520 rapnt
= (Elf_Rela
*) rpnt
;
522 /* Compute number of relocations. */
523 switch (epnt
->e_machine
)
529 rel_size
= rel_size
/ sizeof (Elf_Rel
);
533 Elf_Rel
* new_header
= malloc (sizeof (* new_header
) * rel_size
);
535 if (new_header
== NULL
)
537 error (_("out of memory\n"));
541 memcpy (new_header
, rpnt
, sizeof (* new_header
) * rel_size
);
544 relocs
= (Elf_Rela
*) new_header
;
546 for (i
= 0; i
< rel_size
; i
++)
548 BYTE_SWAP (rpnt
+ i
, r_offset
);
549 BYTE_SWAP (rpnt
+ i
, r_info
);
562 case EM_CYGNUS_MN10200
:
563 case EM_CYGNUS_MN10300
:
565 rel_size
= rel_size
/ sizeof (Elf_Rela
);
569 Elf_Rela
* new_header
= malloc (sizeof (* new_header
) * rel_size
);
571 if (new_header
== NULL
)
573 error (_("out of memory\n"));
577 memcpy (new_header
, rpnt
, sizeof (* new_header
) * rel_size
);
579 relocs
= rapnt
= new_header
;
581 for (i
= rel_size
; i
--;)
583 BYTE_SWAP (new_header
, r_offset
);
584 BYTE_SWAP (new_header
, r_info
);
585 BYTE_SWAP (new_header
, r_addend
);
595 warn (_("Don't know about relocations on this machine architecture\n"));
600 printf (_(" Offset Value Type Symbol's Value Symbol Name Addend\n"));
602 printf (_(" Offset Value Type Symbol's Value Symbol Name\n"));
604 for (i
= 0; i
< rel_size
; i
++)
609 rpnt
= (Elf_Rel
*) rapnt
;
611 printf (" %5.5x %5.5x ", rpnt
->r_offset
, rpnt
->r_info
);
613 switch (epnt
->e_machine
)
616 rtype
= get_m32r_rel_type (ELF32_R_TYPE (rpnt
->r_info
));
621 rtype
= get_i386_rel_type (ELF32_R_TYPE (rpnt
->r_info
));
625 rtype
= get_m68k_rel_type (ELF32_R_TYPE (rpnt
->r_info
));
629 rtype
= get_sparc_rel_type (ELF32_R_TYPE (rapnt
->r_info
));
633 rtype
= get_v850_rel_type (ELF32_R_TYPE (rpnt
->r_info
));
637 rtype
= get_d10v_rel_type (ELF32_R_TYPE (rpnt
->r_info
));
641 rtype
= get_d30v_rel_type (ELF32_R_TYPE (rpnt
->r_info
));
645 rtype
= get_sh_rel_type (ELF32_R_TYPE (rpnt
->r_info
));
648 case EM_CYGNUS_MN10300
:
649 rtype
= get_mn10300_rel_type (ELF32_R_TYPE (rpnt
->r_info
));
652 case EM_CYGNUS_MN10200
:
653 rtype
= get_mn10200_rel_type (ELF32_R_TYPE (rpnt
->r_info
));
657 printf ("%-18s", rtype
);
659 symtab_index
= ELF32_R_SYM (rpnt
->r_info
);
666 psym
= symtab
+ symtab_index
;
670 Elf_Sym
* new_header
= & ssym
;
674 BYTE_SWAP (psym
, st_name
);
675 BYTE_SWAP (psym
, st_value
);
676 /* BYTE_SWAP (psym, st_size); */
677 BYTE_SWAP (psym
, st_shndx
);
682 if (psym
->st_name
== 0)
683 printf (" %08x %-15s", psym
->st_value
,
684 SECTION_NAME (elf_sections
+ psym
->st_shndx
));
686 printf (" %08x %-15s", psym
->st_value
, strtab
+ psym
->st_name
);
689 printf (" + %x", rapnt
->r_addend
);
702 get_file_type (e_type
)
703 unsigned short e_type
;
705 static char buff
[32];
709 case ET_NONE
: return _("None");
710 case ET_REL
: return _("Relocatable file");
711 case ET_EXEC
: return _("Executable file");
712 case ET_DYN
: return _("Shared object file");
713 case ET_CORE
: return _("Core file");
716 if ((e_type
>= ET_LOPROC
) && (e_type
<= ET_HIPROC
))
717 sprintf (buff
, _("Processor Specific: (%x)"), e_type
);
719 sprintf (buff
, _("<unknown>: %x"), e_type
);
725 get_machine_name (e_machine
)
726 unsigned short e_machine
;
728 static char buff
[32];
732 case EM_NONE
: return _("None");
733 case EM_M32
: return "WE32100";
734 case EM_SPARC
: return "Sparc";
735 case EM_386
: return "80386";
736 case EM_68K
: return "MC68000";
737 case EM_88K
: return "MC88000";
738 case EM_486
: return "Intel 80486";
739 case EM_860
: return "Intel 80860";
740 case EM_MIPS
: return "MIPS R3000 big-endian";
741 case EM_S370
: return "Amdahl";
742 case EM_MIPS_RS4_BE
: return "MIPS R400 big-endian";
743 case EM_PARISC
: return "HPPA";
744 case EM_SPARC32PLUS
: return "Sparc v8+" ;
745 case EM_PPC
: return "Power PCC";
746 case EM_SPARCV9
: return "Sparc v9";
747 case EM_ARM
: return "ARM";
748 case EM_SH
: return "Hitachi SH";
749 case EM_ALPHA
: return "Alpha";
750 case EM_CYGNUS_D10V
: return "d10v";
751 case EM_CYGNUS_D30V
: return "d30v";
752 case EM_CYGNUS_M32R
: return "M32r";
753 case EM_CYGNUS_V850
: return "v850";
754 case EM_CYGNUS_MN10300
: return "mn10300";
755 case EM_CYGNUS_MN10200
: return "mn10200";
758 sprintf (buff
, _("<unknown>: %x"), e_machine
);
764 get_segment_type (p_type
)
765 unsigned long p_type
;
767 static char buff
[32];
771 case PT_NULL
: return _("Unused");
772 case PT_LOAD
: return _("Loadable");
773 case PT_DYNAMIC
: return _("Dynamic link info");
774 case PT_INTERP
: return _("Interpreter");
775 case PT_NOTE
: return _("Auxillary Info");
776 case PT_SHLIB
: return _("Shared Library");
777 case PT_PHDR
: return _("Program Headers");
780 if ((p_type
>= PT_LOPROC
) && (p_type
<= PT_HIPROC
))
781 return _("processor specific");
784 sprintf (buff
, _("<unknown>: %x"), p_type
);
791 get_section_type_name (sh_type
)
792 unsigned int sh_type
;
794 static char buff
[32];
798 case SHT_NULL
: return _("Unused");
799 case SHT_PROGBITS
: return _("Program data");
800 case SHT_SYMTAB
: return _("Symbol table");
801 case SHT_STRTAB
: return _("String table");
802 case SHT_RELA
: return _("Relocs, addends");
803 case SHT_HASH
: return _("Symbol hash table");
804 case SHT_DYNAMIC
: return _("Dynamic linking info");
805 case SHT_NOTE
: return _("Notes");
806 case SHT_NOBITS
: return _("Space, no data");
807 case SHT_REL
: return _("Relocs, no addends");
808 case SHT_SHLIB
: return _("Shared Library info");
809 case SHT_DYNSYM
: return _("Dynamic linker symbols");
810 case SHT_GNU_verdef
: return _("Version definition");
811 case SHT_GNU_verneed
: return _("Version needs");
812 case SHT_GNU_versym
: return _("Version symbols");
813 case 0x6ffffff0: return "VERSYM";
814 case 0x6ffffffc: return "VERDEF";
815 case 0x7ffffffd: return "AUXILIARY";
816 case 0x7fffffff: return "FILTER";
819 if ((sh_type
>= SHT_LOPROC
) && (sh_type
<= SHT_HIPROC
))
820 return _("processor specific");
821 else if ((sh_type
>= SHT_LOUSER
) && (sh_type
<= SHT_HIUSER
))
822 return _("application specific");
825 sprintf (buff
, _("<unknown>: %x"), sh_type
);
831 struct option options
[] =
833 {"all", no_argument
, 0, 'a'},
834 {"file-header", no_argument
, 0, 'h'},
835 {"program-headers", no_argument
, 0, 'l'},
836 {"segments", no_argument
, 0, 'l'},
837 {"sections", no_argument
, 0, 'S'},
838 {"symbols", no_argument
, 0, 's'},
839 {"relocs", no_argument
, 0, 'r'},
840 {"dynamic", no_argument
, 0, 'd'},
841 {"version-info", no_argument
, 0, 'V'},
842 {"use-dynamic", no_argument
, 0, 'D'},
844 {"hex-dump", required_argument
, 0, 'x'},
845 #ifdef SUPPORT_DISASSEMBLY
846 {"instruction-dump", required_argument
, 0, 'i'},
849 {"version", no_argument
, 0, 'v'},
850 {"help", no_argument
, 0, 'H'},
852 {0, no_argument
, 0, 0}
858 fprintf (stderr
, _("Usage: readelf {options} elf-file(s)\n"));
859 fprintf (stderr
, _(" Options are:\n"));
860 fprintf (stderr
, _(" -a or --all Display all the information\n"));
861 fprintf (stderr
, _(" -h or --file-header Display the ELF file header\n"));
862 fprintf (stderr
, _(" -l or --program-headers or --segments\n"));
863 fprintf (stderr
, _(" Display the program headers\n"));
864 fprintf (stderr
, _(" -S or --sections Display the sections' headers\n"));
865 fprintf (stderr
, _(" -s or --symbols Display the symbol table\n"));
866 fprintf (stderr
, _(" -r or --relocs Display the relocations (if present)\n"));
867 fprintf (stderr
, _(" -d or --dynamic Display the dynamic section (if present)\n"));
868 fprintf (stderr
, _(" -V or --version-info Display the version sections (if present)\n"));
869 fprintf (stderr
, _(" -D or --use-dynamic Use the dynamic section info when displaying symbols\n"));
870 fprintf (stderr
, _(" -x <number> or --hex-dump=<number>\n"));
871 fprintf (stderr
, _(" Dump the contents of section <number>\n"));
872 #ifdef SUPPORT_DISASSEMBLY
873 fprintf (stderr
, _(" -i <number> or --instruction-dump=<number>\n"));
874 fprintf (stderr
, _(" Disassemble the contents of section <number>\n"));
876 fprintf (stderr
, _(" -v or --version Display the version number of readelf\n"));
877 fprintf (stderr
, _(" -H or --help Display this information\n"));
883 parse_args (argc
, argv
)
892 while ((c
= getopt_long
893 (argc
, argv
, "rsahldSDx:i:vV", options
, NULL
)) != EOF
)
936 section
= strtoul (optarg
, & cp
, 0);
937 if (! * cp
&& section
>= 0 && section
< NUM_DUMP_SECTS
)
939 dump_sects
[section
] |= HEX_DUMP
;
943 #ifdef SUPPORT_DISASSEMBLY
946 section
= strtoul (optarg
, & cp
, 0);
947 if (! * cp
&& section
>= 0 && section
< NUM_DUMP_SECTS
)
949 dump_sects
[section
] |= DISASS_DUMP
;
955 print_version (program_name
);
962 /* xgettext:c-format */
963 error (_("Invalid option '-%c'\n"), c
);
970 if (!do_dynamic
&& !do_syms
&& !do_reloc
&& !do_section
971 && !do_load
&& !do_header
&& !do_dump
&& !do_version
)
974 warn (_("Nothing to do.\n"));
978 process_elf_header ()
980 if ( epnt
->e_ident
[EI_MAG0
] != ELFMAG0
981 || epnt
->e_ident
[EI_MAG1
] != ELFMAG1
982 || epnt
->e_ident
[EI_MAG2
] != ELFMAG2
983 || epnt
->e_ident
[EI_MAG3
] != ELFMAG3
)
985 error (_("Not an ELF file - it has the wrong magic bytes at the start\n"));
989 if (epnt
->e_ident
[EI_CLASS
] != ELFCLASS32
)
991 error (_("Not a 32 bit ELF file\n"));
995 if (epnt
->e_ident
[EI_DATA
] != expected_endian
)
1000 Elf_Ehdr
* new_header
= malloc (sizeof (* new_header
));
1002 if (new_header
== NULL
)
1004 error (_("out of memory\n"));
1008 memcpy (new_header
, epnt
, sizeof (* new_header
));
1010 BYTE_SWAP (epnt
, e_type
);
1011 BYTE_SWAP (epnt
, e_machine
);
1012 BYTE_SWAP (epnt
, e_version
);
1013 BYTE_SWAP (epnt
, e_entry
);
1014 BYTE_SWAP (epnt
, e_phoff
);
1015 BYTE_SWAP (epnt
, e_shoff
);
1016 BYTE_SWAP (epnt
, e_flags
);
1017 BYTE_SWAP (epnt
, e_ehsize
);
1018 BYTE_SWAP (epnt
, e_phentsize
);
1019 BYTE_SWAP (epnt
, e_phnum
);
1020 BYTE_SWAP (epnt
, e_shentsize
);
1021 BYTE_SWAP (epnt
, e_shnum
);
1022 BYTE_SWAP (epnt
, e_shstrndx
);
1031 printf (_("ELF Header....\n"));
1032 printf (_(" Magic: "));
1033 for (i
= 0; i
< EI_NIDENT
; i
++)
1034 printf ("%2.2x ", epnt
->e_ident
[i
]);
1036 printf (_(" Type: %s\n"), get_file_type (epnt
->e_type
));
1037 printf (_(" Machine: %s\n"), get_machine_name (epnt
->e_machine
));
1038 printf (_(" Version: %x\n"), epnt
->e_version
);
1039 printf (_(" Entry point address: %x\n"), epnt
->e_entry
);
1040 printf (_(" Start of program headers: %d (bytes into file)\n"), epnt
->e_phoff
);
1041 printf (_(" Start of section headers: %d (bytes into file)\n"), epnt
->e_shoff
);
1042 printf (_(" Flags: %x\n"), epnt
->e_flags
);
1043 printf (_(" Size of this header: %d (bytes)\n"), epnt
->e_ehsize
);
1044 printf (_(" Size of program headers: %d (bytes)\n"), epnt
->e_phentsize
);
1045 printf (_(" Number of program headers: %d\n"), epnt
->e_phnum
);
1046 printf (_(" Size of section headers: %d (bytes)\n"), epnt
->e_shentsize
);
1047 printf (_(" Number of section headers: %d\n"), epnt
->e_shnum
);
1048 printf (_(" Section header string table index: %d\n"), epnt
->e_shstrndx
);
1056 process_program_headers ()
1058 Elf_Phdr
* elf_segments
;
1062 if (epnt
->e_phnum
== 0)
1065 printf (_("\nThere are no program headers in this file\n"));
1069 if (do_load
&& !do_header
)
1071 printf (_("\nElf file is %s\n"), get_file_type (epnt
->e_type
));
1072 printf (_("Entry point 0x%x\n"), epnt
->e_entry
);
1073 printf (_("There are %d program headers, starting at offset %x:\n"),
1074 epnt
->e_phnum
, epnt
->e_phoff
);
1079 Elf_Phdr
* new_header
= malloc (sizeof (* new_header
) * epnt
->e_phnum
);
1081 if (new_header
== NULL
)
1083 error (_("out of memory\n"));
1087 memcpy (new_header
, & header
[epnt
->e_phoff
],
1088 sizeof (* new_header
) * epnt
->e_phnum
);
1090 elf_segments
= ppnt
= new_header
;
1092 for (i
= 0; i
< epnt
->e_phnum
; i
++)
1094 BYTE_SWAP (ppnt
+ i
, p_type
);
1095 BYTE_SWAP (ppnt
+ i
, p_flags
);
1096 BYTE_SWAP (ppnt
+ i
, p_offset
);
1097 BYTE_SWAP (ppnt
+ i
, p_vaddr
);
1098 BYTE_SWAP (ppnt
+ i
, p_paddr
);
1099 BYTE_SWAP (ppnt
+ i
, p_filesz
);
1100 BYTE_SWAP (ppnt
+ i
, p_memsz
);
1101 BYTE_SWAP (ppnt
+ i
, p_align
);
1108 ppnt
= (Elf_Phdr
*) & header
[epnt
->e_phoff
];
1109 elf_segments
= NULL
;
1114 printf (_("\nProgram Header%s....\n"), epnt
->e_phnum
> 1 ? "s" : "");
1115 printf (_(" Type Offset VirtAddr PhysAddr FileSiz MemSiz Flg Align\n"));
1121 for (i
= 0; i
< epnt
->e_phnum
; i
++)
1123 if (loadaddr
== -1 && ppnt
->p_type
== PT_LOAD
)
1124 loadaddr
= (ppnt
->p_vaddr
& 0xfffff000)
1125 - (ppnt
->p_offset
& 0xfffff000);
1129 printf (" %-10s ", get_segment_type (ppnt
->p_type
));
1130 printf ("0x%5.5x ",ppnt
->p_offset
);
1131 printf ("0x%8.8x ",ppnt
->p_vaddr
);
1132 printf ("0x%8.8x ",ppnt
->p_paddr
);
1133 printf ("0x%5.5x 0x%5.5x ",ppnt
->p_filesz
, ppnt
->p_memsz
);
1135 (ppnt
->p_flags
& 4 ? 'R' : ' '),
1136 (ppnt
->p_flags
& 2 ? 'W' : ' '),
1137 (ppnt
->p_flags
& 1 ? 'E' : ' '));
1138 printf ("%#x", ppnt
->p_align
);
1141 if (ppnt
->p_type
== PT_DYNAMIC
)
1144 error (_("more than one dynamic section\n"));
1146 dynamic_addr
= ppnt
->p_offset
;
1147 dynamic_size
= ppnt
->p_filesz
;
1150 if (ppnt
->p_type
== PT_INTERP
)
1153 printf (_("\nRequesting program interpreter [%s]"),
1154 & header
[ppnt
->p_offset
]);
1155 pint
= strdup (& header
[ppnt
->p_offset
]);
1159 putc ('\n', stdout
);
1166 printf (_("\n Section to Segment mapping:\n"));
1167 printf (_(" Segment Sections...\n"));
1170 ppnt
= elf_segments
;
1172 ppnt
= (Elf_Phdr
*) & header
[epnt
->e_phoff
];
1174 for (i
= 0; i
< epnt
->e_phnum
; i
++, ppnt
++)
1179 printf (" %2.2d ", i
);
1181 spnt
= (Elf_Shdr
*) & header
[epnt
->e_shoff
];
1185 lastmapped
= SWAP4 (spnt
[epnt
->e_shstrndx
].sh_offset
);
1187 for (j
= 0; j
< epnt
->e_shnum
; j
++)
1193 addr
= SWAP4 (spnt
[j
].sh_addr
);
1194 size
= SWAP4 (spnt
[j
].sh_size
);
1195 name
= SWAP4 (spnt
[j
].sh_name
);
1198 && (addr
>= ppnt
->p_vaddr
)
1199 && (addr
+ size
) <= (ppnt
->p_vaddr
+ ppnt
->p_memsz
))
1200 printf ("%s ", header
+ lastmapped
+ name
);
1205 lastmapped
= spnt
[epnt
->e_shstrndx
].sh_offset
;
1207 for (j
= 0; j
< epnt
->e_shnum
; j
++, spnt
++)
1209 if (spnt
->sh_size
> 0
1210 && (spnt
->sh_addr
>= ppnt
->p_vaddr
)
1211 && (spnt
->sh_addr
+ spnt
->sh_size
)
1212 <= (ppnt
->p_vaddr
+ ppnt
->p_memsz
))
1213 printf ("%s ", SECTION_NAME (spnt
));
1222 free (elf_segments
);
1227 process_section_headers ()
1234 Elf_Shdr
* new_header
= malloc (sizeof (* new_header
) * epnt
->e_shnum
);
1236 if (new_header
== NULL
)
1238 error (_("out of memory\n"));
1242 memcpy (new_header
, & header
[epnt
->e_shoff
],
1243 sizeof (* new_header
) * epnt
->e_shnum
);
1245 elf_sections
= spnt
= new_header
;
1247 for (i
= 0; i
< epnt
->e_shnum
; i
++)
1249 BYTE_SWAP (spnt
+ i
, sh_name
);
1250 BYTE_SWAP (spnt
+ i
, sh_type
);
1251 BYTE_SWAP (spnt
+ i
, sh_flags
);
1252 BYTE_SWAP (spnt
+ i
, sh_addr
);
1253 BYTE_SWAP (spnt
+ i
, sh_offset
);
1254 BYTE_SWAP (spnt
+ i
, sh_size
);
1255 BYTE_SWAP (spnt
+ i
, sh_link
);
1256 BYTE_SWAP (spnt
+ i
, sh_info
);
1257 BYTE_SWAP (spnt
+ i
, sh_addralign
);
1258 BYTE_SWAP (spnt
+ i
, sh_entsize
);
1265 elf_sections
= spnt
= (Elf_Shdr
*) & header
[epnt
->e_shoff
];
1268 spnt
+= epnt
->e_shstrndx
;
1269 lastmapped
= spnt
->sh_offset
;
1270 spnt
= elf_sections
;
1272 if (! do_section
|| (epnt
->e_shnum
== 0))
1276 printf (_("There are %d section headers, starting at offset %x:\n"),
1277 epnt
->e_shnum
, epnt
->e_shoff
);
1279 printf (_("\nSection Header%s....\n"), epnt
->e_shnum
> 1 ? "s" : "");
1280 printf (_(" [Nr] Name Type Addr Off Size ES Flg Lk In Al\n"));
1282 for (i
= 0; i
< epnt
->e_shnum
; i
++)
1284 printf (" [%2d] %-14s", i
, SECTION_NAME (spnt
));
1286 printf (" %-18s ",get_section_type_name (spnt
->sh_type
));
1287 printf ( "%8.8x %6.6x %6.6x %2.2x",
1293 printf (" %c%c%c %2d %2x %d \n",
1294 (spnt
->sh_flags
& 1 ? 'W' : ' '),
1295 (spnt
->sh_flags
& 2 ? 'A' : ' '),
1296 (spnt
->sh_flags
& 4 ? 'X' : ' '),
1299 spnt
->sh_addralign
);
1304 /* Parse the dynamic segment */
1306 process_dynamic_segment ()
1308 Elf_Dyn
* elf_dynamic
;
1311 dynamic_size
= dynamic_size
/ sizeof (Elf_Dyn
);
1315 Elf_Dyn
* new_header
= malloc (sizeof (* new_header
) * dynamic_size
);
1317 if (new_header
== NULL
)
1319 error (_("out of memory\n"));
1323 memcpy (new_header
, & header
[dynamic_addr
],
1324 sizeof (* new_header
) * dynamic_size
);
1326 elf_dynamic
= dpnt
= new_header
;
1328 for (i
= 0; i
< dynamic_size
; i
++)
1330 BYTE_SWAP (dpnt
+ i
, d_tag
);
1331 BYTE_SWAP (dpnt
+ i
, d_un
.d_ptr
);
1338 dpnt
= (Elf_Dyn
*) & header
[dynamic_addr
];
1343 for (i
= 0; i
< dynamic_size
; ++i
, ++dpnt
)
1344 if (dpnt
->d_tag
== DT_SYMTAB
)
1346 dynamic_info
[DT_SYMTAB
] = dpnt
->d_un
.d_val
;
1347 symtab
= (Elf_Sym
*) (header
- loadaddr
1348 + dynamic_info
[DT_SYMTAB
]);
1350 else if (dpnt
->d_tag
== DT_STRTAB
)
1352 dynamic_info
[DT_STRTAB
] = dpnt
->d_un
.d_val
;
1353 strtab
= (char *) (header
- loadaddr
+ dynamic_info
[DT_STRTAB
]);
1356 if (do_dynamic
&& dynamic_addr
)
1358 printf (_("\n Dynamic section data: %x, %d entries\n"),
1359 dynamic_addr
, dynamic_size
);
1362 for (i
= 0; i
< dynamic_size
; i
++)
1365 printf (_(" Tag: %#10x: "), dpnt
->d_tag
);
1367 switch (dpnt
->d_tag
)
1373 printf ("(%-11s)", filtertype
[DT_FILTER
- dpnt
->d_tag
]);
1375 if (dynamic_info
[DT_STRTAB
])
1377 if (dpnt
->d_tag
== DT_AUXILIARY
)
1378 printf (_("Auxiliary library"));
1380 printf (_("Filter library"));
1382 printf (": [%s]\n", (dpnt
->d_un
.d_val
+ strtab
));
1385 printf (_("Value %x\n"), dpnt
->d_un
.d_val
);
1413 dynamic_info
[dpnt
->d_tag
] = dpnt
->d_un
.d_val
;
1417 printf ("(%-11s)", dyntype
[dpnt
->d_tag
]);
1419 if (dynamic_info
[DT_STRTAB
])
1421 switch (dpnt
->d_tag
)
1424 printf (_("Shared library: [%s]\n"),
1425 (dpnt
->d_un
.d_val
+ strtab
));
1427 if (strcmp (dpnt
->d_un
.d_val
+ strtab
, pint
))
1430 printf (_(" program interpreter\n"));
1434 printf (_("Library soname: [%s]\n"),
1435 (dpnt
->d_un
.d_val
+ strtab
));
1439 printf (_("Library rpath: [%s]\n"),
1440 (dpnt
->d_un
.d_val
+ strtab
));
1444 printf (_("Value %x\n"), dpnt
->d_un
.d_val
);
1448 printf (_("Value %x\n"), dpnt
->d_un
.d_val
);
1453 if ((dpnt
->d_tag
>= DT_VERSYM
) && (dpnt
->d_tag
<= DT_VERNEEDNUM
))
1455 version_info
[DT_VERSIONTAGIDX (dpnt
->d_tag
)] = dpnt
->d_un
.d_val
;
1458 printf (_("(%-11s) Value %#x\n"),
1459 vertype
[DT_VERSIONTAGIDX (dpnt
->d_tag
)],
1463 warn (_("<Invalid> Value %#x\n"), dpnt
->d_un
.d_ptr
);
1472 if (do_using_dynamic
)
1474 if (dynamic_info
[DT_REL
])
1476 rpnt
= (Elf_Rel
*) (header
+ dynamic_info
[DT_REL
] - loadaddr
);
1477 rel_size
= dynamic_info
[DT_RELSZ
];
1480 printf (_("\nRelocation section data: %x %x\n"),
1481 dynamic_info
[DT_REL
], rel_size
);
1482 dump_relocations (rpnt
, rel_size
);
1485 printf (_("\nNo Relocations in this file\n"));
1488 if (dynamic_info
[DT_RELA
])
1490 rpnt
= (Elf_Rel
*) (header
+ dynamic_info
[DT_RELA
] - loadaddr
);
1491 rel_size
= dynamic_info
[DT_RELASZ
];
1494 printf (_("\nRelocation section data: %x %x\n"),
1495 dynamic_info
[DT_RELA
], rel_size
);
1496 dump_relocations (rpnt
, rel_size
);
1499 printf (_("\nNo Relocations in this file\n"));
1502 if (dynamic_info
[DT_JMPREL
])
1504 rpnt
= (Elf_Rel
*) (header
+ dynamic_info
[DT_JMPREL
]
1506 rel_size
= dynamic_info
[DT_PLTRELSZ
];
1509 printf (_("\nJumptable Relocation section data: %x %x\n"),
1510 dynamic_info
[DT_JMPREL
], rel_size
);
1511 dump_relocations (rpnt
, rel_size
);
1514 printf (_("\nNo Relocations in this file\n"));
1521 spnt
= elf_sections
;
1523 for (i
= 0; i
< epnt
->e_shnum
; i
++, spnt
++)
1528 if (spnt
->sh_type
!= SHT_RELA
&& spnt
->sh_type
!= SHT_REL
)
1531 rpnt
= (Elf_Rel
*) (header
+ spnt
->sh_offset
);
1533 rel_size
= spnt
->sh_size
;
1537 printf (_("\nRelocation section data: %s (%#x entries)\n"),
1538 SECTION_NAME (spnt
), rel_size
/ spnt
->sh_entsize
);
1540 symsec
= & elf_sections
[spnt
->sh_link
];
1541 symtab
= (Elf_Sym
*) (header
+ symsec
->sh_offset
);
1542 strtab
= (char *) (header
1543 + elf_sections
[symsec
->sh_link
].sh_offset
);
1545 dump_relocations (rpnt
, rel_size
);
1548 printf (_("\nNo Relocations in this file\n"));
1557 /* Dump the symbol table */
1559 process_symbol_table ()
1568 if (dynamic_info
[DT_HASH
] && do_using_dynamic
)
1578 hash_addr
= (int *) (dynamic_info
[DT_HASH
] + header
- loadaddr
);
1580 nbucket
= *hash_addr
++;
1581 nchain
= *hash_addr
++;
1582 elf_buckets
= hash_addr
;
1583 hash_addr
+= nbucket
;
1586 printf (_("\n Symbol table for image\n"));
1587 printf (_(" Num Buc: Value Size Type Bind Ot Ndx Name\n"));
1589 for (hn
= 0; hn
< nbucket
; hn
++)
1591 if (! elf_buckets
[hn
])
1594 for (si
= elf_buckets
[hn
]; si
; si
= chains
[si
])
1596 pnt
= strtab
+ symtab
[si
].st_name
;
1598 printf ("%3d %3d: %8x %5d %6s %6s %2d ", si
, hn
,
1599 symtab
[si
].st_value
,
1601 sttinfo
[ELF_ST_TYPE (symtab
[si
].st_info
)],
1602 stbinfo
[ELF_ST_BIND (symtab
[si
].st_info
)],
1603 symtab
[si
].st_other
);
1605 if (symtab
[si
].st_shndx
== 0)
1607 else if ((symtab
[si
].st_shndx
& 0xffff) == 0xfff1)
1609 else if ((symtab
[si
].st_shndx
& 0xffff) == 0xfff2)
1612 printf ("%3d", symtab
[si
].st_shndx
);
1613 printf (" %s\n", pnt
);
1617 else if (!do_using_dynamic
)
1620 unsigned short * vers_addr
;
1622 spnt
= elf_sections
;
1623 vers_addr
= (short *) (version_info
[DT_VERNEEDNUM
- DT_VERSYM
]
1624 + header
- loadaddr
);
1626 for (i
= 0; i
< epnt
->e_shnum
; i
++, spnt
++)
1630 if (spnt
->sh_type
!= SHT_SYMTAB
&& spnt
->sh_type
!= SHT_DYNSYM
)
1633 printf (_("\nSymbol data for: %s\n"), SECTION_NAME (spnt
));
1634 printf (_(" Num: Value Size Type Bind Ot Ndx Name\n"));
1636 symtab
= (Elf_Sym
*) (header
+ spnt
->sh_offset
);
1637 strtab
= (char *) (header
+ elf_sections
[spnt
->sh_link
].sh_offset
);
1639 for (si
= 0; si
< spnt
->sh_size
/ spnt
->sh_entsize
; si
++)
1643 Elf_Sym
* new_header
;
1651 new_header
= & ssym
;
1653 BYTE_SWAP (psym
, st_name
);
1654 BYTE_SWAP (psym
, st_value
);
1655 BYTE_SWAP (psym
, st_size
);
1656 BYTE_SWAP (psym
, st_shndx
);
1661 pnt
= strtab
+ psym
->st_name
;
1663 printf (" %3d: %8x %5d %-7s %-6s %2d ", si
,
1666 sttinfo
[ELF_ST_TYPE (psym
->st_info
)],
1667 stbinfo
[ELF_ST_BIND (psym
->st_info
)],
1670 if (psym
->st_shndx
== 0)
1672 else if ((psym
->st_shndx
& 0xffff) == 0xfff1)
1674 else if ((psym
->st_shndx
& 0xffff) == 0xfff2)
1677 printf ("%3d", psym
->st_shndx
);
1678 printf (" %s", pnt
);
1680 if (spnt
->sh_type
== SHT_DYNSYM
&&
1681 version_info
[DT_VERSIONTAGIDX (DT_VERSYM
)] != 0 &&
1682 ((vers_addr
[si
] & 0x8000) || vers_addr
[si
] > 1))
1686 if (elf_sections
[psym
->st_shndx
].sh_type
== SHT_NOBITS
1687 || psym
->st_shndx
== SHN_UNDEF
)
1691 /* We must test both. */
1693 (version_info
[DT_VERSIONTAGIDX (DT_VERNEED
)]
1694 + header
- loadaddr
);
1698 a
= (Elf_Vernaux
*)((char *)v
+ v
->vn_aux
);
1700 while (a
->vna_other
!= vers_addr
[si
]
1701 && a
->vna_next
!= 0)
1702 a
= (Elf_Vernaux
*)((char *)a
+ a
->vna_next
);
1704 if (a
->vna_other
== vers_addr
[si
])
1707 if (v
->vn_next
== 0)
1709 if (elf_sections
[psym
->st_shndx
].sh_type
1711 error (_("bad dynamic symbol"));
1717 v
= (Elf_Verneed
*)((char *)v
+ v
->vn_next
);
1721 printf ("@%s (%d)", strtab
+ a
->vna_name
, a
->vna_other
);
1723 else if ((elf_sections
[psym
->st_shndx
].sh_type
1724 == SHT_NOBITS
&& a
== NULL
)
1725 || psym
->st_shndx
!= SHN_UNDEF
)
1731 (version_info
[DT_VERSIONTAGIDX (DT_VERDEF
)]
1732 + header
- loadaddr
);
1734 if (vers_addr
[si
] == 0x8001)
1738 while (v
->vd_ndx
!= (vers_addr
[si
] & 0x7fff))
1739 v
= (Elf_Verdef
*)((char *)v
+ v
->vd_next
);
1741 b
= (Elf_Verdaux
*) ((char *)v
+ v
->vd_aux
);
1743 if (psym
->st_name
!= b
->vda_name
)
1744 pnt
= strtab
+ b
->vda_name
;
1750 printf ((vers_addr
[si
] & 0x8000)
1751 ? "@%s" : "@@%s", pnt
);
1763 spnt
= elf_sections
;
1765 for (i
= 0; i
< epnt
->e_shnum
; i
++, spnt
++)
1767 if (spnt
->sh_type
== SHT_GNU_verdef
)
1769 Elf_Shdr
* dspnt
= &elf_sections
[spnt
->sh_link
];
1773 strtab
= (char *) (header
- loadaddr
+ dynamic_info
[DT_STRTAB
]);
1775 printf (_("\n Version definitions:%s (%#0x entries)\n"),
1776 SECTION_NAME(spnt
), spnt
->sh_info
);
1777 printf (_("Addr: %#08x Offset: %#08x Link: %x (%s)\n"),
1778 spnt
->sh_addr
, spnt
->sh_offset
, spnt
->sh_link
,
1779 SECTION_NAME(dspnt
));
1781 for (idx
= cnt
= 0; cnt
< spnt
->sh_info
; ++cnt
)
1783 Elf_Verdef
* ent
= (Elf_Verdef
*)
1784 ((char *) header
+ spnt
->sh_offset
+ idx
);
1785 Elf_Verdaux
* aux
= (Elf_Verdaux
*)
1786 ((char *) ent
+ ent
->vd_aux
);
1789 printf (_("%#06x: Rev: %d Flags: "), idx
, ent
->vd_version
);
1791 if (ent
->vd_flags
== 0)
1796 if (ent
->vd_flags
& 0x1)
1801 if (ent
->vd_flags
& 0x2)
1803 printf (_("%sWEAK"), f
? "" : "|");
1807 printf (_(" Index: %d Cnt: %d Name: %s\n"),
1808 ent
->vd_ndx
, ent
->vd_cnt
, strtab
+ aux
->vda_name
);
1810 isum
= idx
+ ent
->vd_aux
;
1811 while (j
< ent
->vd_cnt
)
1813 isum
+= aux
->vda_next
;
1814 aux
= (Elf_Verdaux
*)((char *)aux
+ aux
->vda_next
);
1815 printf (_(" %#06x: Parent %d: %s\n"), isum
, j
,
1816 strtab
+ aux
->vda_name
);
1820 idx
+= ent
->vd_next
;
1824 if (spnt
->sh_type
== SHT_GNU_verneed
)
1826 Elf_Shdr
* dspnt
= &elf_sections
[spnt
->sh_link
];
1830 strtab
= (char *) (header
- loadaddr
+ dynamic_info
[DT_STRTAB
]);
1831 printf (_("\n Needed versions:%s (%#0x entries)\n"),
1832 SECTION_NAME (spnt
), spnt
->sh_info
);
1833 printf (_("Addr: %#08x Offset: %#08x Link: %x (%s)\n"),
1834 spnt
->sh_addr
, spnt
->sh_offset
, spnt
->sh_link
,
1835 SECTION_NAME (dspnt
));
1837 for (idx
= cnt
= 0; cnt
< spnt
->sh_info
; ++cnt
)
1839 Elf_Verneed
* ent
= (Elf_Verneed
*)
1840 ((char *) header
+ spnt
->sh_offset
+ idx
);
1841 Elf_Vernaux
* aux
= (Elf_Vernaux
*)
1842 ((char *) ent
+ ent
->vn_aux
);
1845 printf (_("%#06x: Version: %d File: %s Cnt: %d\n"),
1846 idx
, ent
->vn_version
, strtab
+ ent
->vn_file
,ent
->vn_cnt
);
1848 for (j
= 0, isum
= idx
+ ent
->vn_aux
; j
< ent
->vn_cnt
; ++j
)
1850 printf (_(" %#06x: Name: %s Flags: %s Version: %d\n"),
1851 isum
, strtab
+aux
->vna_name
,
1852 aux
->vna_flags
& 0x2 ? "WEAK" : "none",
1854 isum
+= aux
->vna_next
;
1855 aux
= (Elf_Vernaux
*)((char *) aux
+ aux
->vna_next
);
1858 idx
+= ent
->vn_next
;
1862 if (spnt
->sh_type
== SHT_GNU_versym
)
1864 Elf_Shdr
* dspnt
= &elf_sections
[spnt
->sh_link
];
1865 int total
= spnt
->sh_size
/ spnt
->sh_entsize
;
1867 unsigned short * p
= (short *)
1868 (version_info
[DT_VERNEEDNUM
- DT_VERSYM
] + header
- loadaddr
);
1870 symtab
= (Elf_Sym
*) (header
+ dspnt
->sh_offset
);
1871 strtab
= (char *) (header
+ elf_sections
[dspnt
->sh_link
].sh_offset
);
1873 printf (_("\n Version symbols:%s (%#0x entries)\n"),
1874 SECTION_NAME (spnt
), total
);
1875 printf (_("Addr: %#08x Offset: %#08x Link: %x (%s)\n"),
1876 spnt
->sh_addr
, spnt
->sh_offset
, spnt
->sh_link
,
1877 SECTION_NAME (dspnt
));
1879 for (cnt
= 0; cnt
< total
; cnt
+= 4)
1883 printf ("%#08x:", cnt
);
1885 for (j
= 0; (j
< 4) && (cnt
+ j
) < total
; ++j
)
1889 printf (" 0 (*local*) ");
1892 printf (" 1 (*global*) ");
1895 nn
= printf ("%4x%c", p
[cnt
+ j
] & 0x7fff,
1896 p
[cnt
+ j
] & 0x8000 ? 'h' : ' ');
1897 if (elf_sections
[symtab
[cnt
+ j
].st_shndx
].sh_type
1900 /* We must test both. */
1901 Elf_Verneed
* v
= (Elf_Verneed
*)
1902 (version_info
[DT_VERNEEDNUM
- DT_VERNEED
]
1903 + header
- loadaddr
);
1904 Elf_Vernaux
* a
= NULL
;
1908 a
= (Elf_Vernaux
*)((char *) v
+ v
->vn_aux
);
1910 while (a
->vna_other
!= p
[cnt
+ j
]
1911 && a
->vna_next
!= 0)
1912 a
= (Elf_Vernaux
*)((char *) a
+ a
->vna_next
);
1914 if (a
->vna_other
== p
[cnt
+ j
])
1917 if (v
->vn_next
== 0)
1923 v
= (Elf_Verneed
*)((char *)v
+ v
->vn_next
);
1927 nn
+= printf ("(%s)", strtab
+ a
->vna_name
);
1930 Elf_Verdef
* v
= (Elf_Verdef
*)
1931 (version_info
[DT_VERNEEDNUM
- DT_VERDEF
]
1932 + header
- loadaddr
);
1935 if (p
[cnt
+ j
] == 0x8001)
1939 while (v
->vd_ndx
!= (p
[cnt
+ j
]&0x7fff))
1940 v
= (Elf_Verdef
*)((char *)v
+ v
->vd_next
);
1942 a
= (Elf_Verdaux
*) ((char *) v
+ v
->vd_aux
);
1943 pnt
= strtab
+ a
->vda_name
;
1947 nn
+= printf ("(%s)", pnt
);
1951 printf ("%*c", 16 - nn
, ' ');
1953 else if (symtab
[cnt
+ j
].st_shndx
==SHN_UNDEF
)
1955 Elf_Verneed
* v
= (Elf_Verneed
*)
1956 (version_info
[DT_VERNEEDNUM
- DT_VERNEED
]
1957 + header
- loadaddr
);
1962 a
= (Elf_Vernaux
*)((char *) v
+ v
->vn_aux
);
1964 while (a
->vna_other
!= p
[cnt
+ j
]
1965 && a
->vna_next
!= 0)
1966 a
= (Elf_Vernaux
*)((char *)a
+ a
->vna_next
);
1968 if (a
->vna_other
== p
[cnt
+ j
])
1971 v
= (Elf_Verneed
*)((char *) v
+ v
->vn_next
);
1974 nn
+= printf ("(%s)", strtab
+ a
->vna_name
);
1977 printf ("%*c", 16 - nn
, ' ');
1981 Elf_Verdef
* v
= (Elf_Verdef
*)
1982 (version_info
[DT_VERNEEDNUM
- DT_VERDEF
]
1983 + header
- loadaddr
);
1986 if (p
[cnt
+ j
] == 0x8001)
1990 while (v
->vd_ndx
!= (p
[cnt
+ j
] & 0x7fff))
1991 v
= (Elf_Verdef
*)((char *) v
+ v
->vd_next
);
1993 a
= (Elf_Verdaux
*) ((char *) v
+ v
->vd_aux
);
1994 pnt
= strtab
+ a
->vda_name
;
1998 nn
+= printf ("(%s)", pnt
);
2001 printf ("%*c", 16 - nn
, ' ');
2012 process_section_contents ()
2020 spnt
= elf_sections
;
2022 for (i
= 0; i
< epnt
->e_shnum
; i
++, spnt
++)
2027 unsigned char * my_addr
;
2029 #ifdef SUPPORT_DISASSEMBLY
2030 /* See if we need an assembly dump of this section */
2032 if ((i
< NUM_DUMP_SECTS
) && (dump_sects
[i
] & DISASS_DUMP
))
2034 printf (_("\nAssembly dump of section %s\n"), SECTION_NAME (spnt
));
2036 bytes
= spnt
->sh_size
;
2037 addr
= spnt
->sh_addr
;
2038 my_addr
= (unsigned char *) (header
+ spnt
->sh_offset
);
2042 printf ("0x%8.8x ", addr
);
2044 switch (epnt
->e_machine
)
2048 lbytes
= db_disasm ((unsigned int) my_addr
, 0, 0) -
2049 ((unsigned int) my_addr
);
2052 lbytes
= (m68k_disass ((unsigned int) my_addr
, addr
)
2053 - (unsigned int) my_addr
);
2056 warn (_("Unable to disassemble code for this platform\n"));
2069 /* OK, see if we need a hex dump of this section. */
2070 if ((i
< NUM_DUMP_SECTS
) && (dump_sects
[i
] & HEX_DUMP
))
2075 printf (_("\nHex dump of section %s\n"), SECTION_NAME (spnt
));
2077 bytes
= spnt
->sh_size
;
2078 addr
= spnt
->sh_addr
;
2079 my_addr
= (unsigned char *) (header
+ spnt
->sh_offset
);
2083 lbytes
= (bytes
> 16 ? 16 : bytes
);
2085 printf ("0x%8.8x ",addr
);
2087 switch (epnt
->e_ident
[EI_DATA
])
2090 for (j
= 15; j
>= 0; j
--)
2093 printf ("%2.2x", my_addr
[j
]);
2103 for (j
= 0; j
< 16; j
++)
2106 printf ("%2.2x", my_addr
[j
]);
2116 for (j
= 0; j
< lbytes
; j
++)
2119 if (k
>= ' ' && k
< 0x80)
2136 process_file (file_name
)
2140 struct stat statbuf
;
2144 fd
= open (file_name
, O_RDONLY
);
2147 error (_("Input file %s not found.\n"), file_name
);
2151 if (fstat (fd
, & statbuf
) < 0)
2153 error (_("Cannot stat input file %s.\n"), file_name
);
2158 header
= mmap (0, statbuf
.st_size
, PROT_READ
, MAP_PRIVATE
, fd
, 0);
2160 if ((header
== (char *) -1) || (header
== NULL
))
2162 error (_("Cannot mmap %s: %s\n"), file_name
, strerror (errno
));
2169 epnt
= (Elf_Ehdr
*) header
;
2172 printf (_("\nFile: %s\n"), file_name
);
2174 if (! process_elf_header ())
2176 munmap (header
, statbuf
.st_size
);
2180 process_program_headers ();
2188 process_section_headers ();
2190 process_dynamic_segment ();
2192 process_symbol_table ();
2194 process_section_contents ();
2196 munmap (header
, statbuf
.st_size
);
2208 free (elf_sections
);
2209 elf_sections
= NULL
;
2214 #ifdef SUPPORT_DISASSEMBLY
2215 /* Needed by the i386 disassembler. For extra credit, someone could
2216 fix this so that we insert symbolic addresses here, esp for GOT/PLT
2220 print_address (unsigned int addr
, FILE * outfile
)
2222 fprintf (outfile
,"0x%8.8x", addr
);
2225 /* Needed by the i386 disassembler. */
2227 db_task_printsym (unsigned int addr
)
2229 print_address (addr
, stderr
);
2238 parse_args (argc
, argv
);
2240 expected_endian
= 0x12345678;
2242 if (* ((char *) & expected_endian
) == 0x12)
2243 expected_endian
= ELFDATA2MSB
;
2245 expected_endian
= ELFDATA2LSB
;
2247 if (optind
< (argc
- 1))
2250 while (optind
< argc
)
2251 process_file (argv
[optind
++]);