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
32 #include "elf/common.h"
33 #include "elf/external.h"
34 #include "elf/internal.h"
36 /* The following headers use the elf/reloc-macros.h file to
37 automatically generate relocation recognition functions
38 such as elf_mips_reloc_type() */
40 #define RELOC_MACROS_GEN_FUNC
46 #include "elf/alpha.h"
49 #include "elf/sparc.h"
52 /* start-sanitize-d30v */
54 /* end-sanitize-d30v */
56 #include "elf/mn10200.h"
57 #include "elf/mn10300.h"
64 #ifdef ANSI_PROTOTYPES
70 char * program_name
= "readelf";
71 unsigned int dynamic_addr
;
72 unsigned int dynamic_size
;
73 unsigned int rela_addr
;
74 unsigned int rela_size
;
75 char * dynamic_strings
;
77 Elf_Internal_Sym
* dynamic_symbols
;
78 char program_interpreter
[64];
79 int dynamic_info
[DT_JMPREL
+ 1];
80 int version_info
[16];
82 Elf_Internal_Ehdr elf_header
;
83 Elf_Internal_Shdr
* section_headers
;
84 Elf_Internal_Dyn
* dynamic_segment
;
96 static unsigned long int (* byte_get
) PARAMS ((unsigned char *, int));
98 #define NUM_DUMP_SECTS 100
99 char dump_sects
[NUM_DUMP_SECTS
];
102 #define DISASS_DUMP 2
104 /* Forward declarations for dumb compilers. */
105 static const char * get_mips_dynamic_type
PARAMS ((unsigned long type
));
106 static const char * get_dynamic_type
PARAMS ((unsigned long type
));
107 static int dump_relocations
108 PARAMS ((FILE *, unsigned long, unsigned long, Elf_Internal_Sym
*, char *));
109 static char * get_file_type
PARAMS ((unsigned e_type
));
110 static char * get_machine_name
PARAMS ((unsigned e_machine
));
111 static char * get_machine_data
PARAMS ((unsigned e_data
));
112 static char * get_machine_flags
PARAMS ((unsigned, unsigned e_machine
));
113 static const char * get_mips_segment_type
PARAMS ((unsigned long type
));
114 static const char * get_segment_type
PARAMS ((unsigned long p_type
));
115 static const char * get_mips_section_type_name
PARAMS ((unsigned int sh_type
));
116 static const char * get_section_type_name
PARAMS ((unsigned int sh_type
));
117 static char * get_symbol_binding
PARAMS ((unsigned int binding
));
118 static char * get_symbol_type
PARAMS ((unsigned int type
));
119 static void usage
PARAMS ((void));
120 static void parse_args
PARAMS ((int argc
, char ** argv
));
121 static int process_file_header
PARAMS ((void));
122 static int process_program_headers
PARAMS ((FILE *));
123 static int process_section_headers
PARAMS ((FILE *));
124 static void dynamic_segment_mips_val
PARAMS ((Elf_Internal_Dyn
*entry
));
125 static int process_dynamic_segment
PARAMS ((FILE *));
126 static int process_symbol_table
PARAMS ((FILE *));
127 static int process_section_contents
PARAMS ((FILE *));
128 static void process_file
PARAMS ((char * file_name
));
129 static int process_relocs
PARAMS ((FILE *));
130 static int process_version_sections
PARAMS ((FILE *));
131 static char * get_ver_flags
PARAMS ((unsigned int flags
));
132 static char * get_symbol_index_type
PARAMS ((unsigned int type
));
133 static int get_section_headers
PARAMS ((FILE * file
));
134 static int get_file_header
PARAMS ((FILE * file
));
135 static Elf_Internal_Sym
* get_elf_symbols
136 PARAMS ((FILE * file
, unsigned long offset
, unsigned long number
));
137 static int * get_dynamic_data
PARAMS ((FILE * file
, unsigned int number
));
139 typedef int Elf32_Word
;
141 #define SECTION_NAME(X) (string_table + (X)->sh_name)
143 #define DT_VERSIONTAGIDX(tag) (DT_VERNEEDNUM - (tag)) /* Reverse order! */
145 #define BYTE_GET(field) byte_get (field, sizeof (field))
147 #define NUM_ELEM(array) (sizeof (array) / sizeof ((array)[0]))
149 #define GET_DATA_ALLOC(offset, size, var, type, reason) \
150 if (fseek (file, offset, SEEK_SET)) \
152 error (_("Unable to seek to start of %s at %x\n"), reason, offset); \
156 var = (type) malloc (size); \
160 error (_("Out of memory allocating %d bytes for %s\n"), size, reason); \
164 if (fread (var, size, 1, file) != 1) \
166 error (_("Unable to read in %d bytes of %s\n"), size, reason); \
173 #define GET_DATA(offset, var, reason) \
174 if (fseek (file, offset, SEEK_SET)) \
176 error (_("Unable to seek to %x for %s\n"), offset, reason); \
179 else if (fread (& var, sizeof (var), 1, file) != 1) \
181 error (_("Unable to read data at %x for %s\n"), offset, reason); \
185 #ifdef ANSI_PROTOTYPES
187 error (const char * message
, ...)
191 fprintf (stderr
, _("%s: Error: "), program_name
);
192 va_start (args
, message
);
193 vfprintf (stderr
, message
, args
);
199 warn (const char * message
, ...)
203 fprintf (stderr
, _("%s: Warning: "), program_name
);
204 va_start (args
, message
);
205 vfprintf (stderr
, message
, args
);
217 fprintf (stderr
, _("%s: Error: "), program_name
);
219 message
= va_arg (args
, char *);
220 vfprintf (stderr
, message
, args
);
232 fprintf (stderr
, _("%s: Warning: "), program_name
);
234 message
= va_arg (args
, char *);
235 vfprintf (stderr
, message
, args
);
241 static unsigned long int
242 byte_get_little_endian (field
, size
)
243 unsigned char * field
;
252 return ((unsigned int) (field
[0]))
253 | (((unsigned int) (field
[1])) << 8);
256 return ((unsigned long) (field
[0]))
257 | (((unsigned long) (field
[1])) << 8)
258 | (((unsigned long) (field
[2])) << 16)
259 | (((unsigned long) (field
[3])) << 24);
262 error (_("Unhandled data length: %d\n"), size
);
267 static unsigned long int
268 byte_get_big_endian (field
, size
)
269 unsigned char * field
;
278 return ((unsigned int) (field
[1])) | (((int) (field
[0])) << 8);
281 return ((unsigned long) (field
[3]))
282 | (((unsigned long) (field
[2])) << 8)
283 | (((unsigned long) (field
[1])) << 16)
284 | (((unsigned long) (field
[0])) << 24);
287 error (_("Unhandled data length: %d\n"), size
);
293 /* Display the contents of the relocation data
294 found at the specified offset. */
296 dump_relocations (file
, rel_offset
, rel_size
, symtab
, strtab
)
298 unsigned long rel_offset
;
299 unsigned long rel_size
;
300 Elf_Internal_Sym
* symtab
;
305 Elf_Internal_Rel
* rels
;
306 Elf_Internal_Rela
* relas
;
309 /* Compute number of relocations and read them in. */
310 switch (elf_header
.e_machine
)
320 Elf32_External_Rel
* erels
;
322 GET_DATA_ALLOC (rel_offset
, rel_size
, erels
,
323 Elf32_External_Rel
*, "relocs");
325 rel_size
= rel_size
/ sizeof (Elf32_External_Rel
);
327 rels
= (Elf_Internal_Rel
*) malloc (rel_size
*
328 sizeof (Elf_Internal_Rel
));
330 for (i
= 0; i
< rel_size
; i
++)
332 rels
[i
].r_offset
= BYTE_GET (erels
[i
].r_offset
);
333 rels
[i
].r_info
= BYTE_GET (erels
[i
].r_info
);
339 relas
= (Elf_Internal_Rela
*) rels
;
347 /* start-sanitize-d30v */
349 /* end-sanitize-d30v */
350 case EM_CYGNUS_MN10200
:
351 case EM_CYGNUS_MN10300
:
355 Elf32_External_Rela
* erelas
;
357 GET_DATA_ALLOC (rel_offset
, rel_size
, erelas
,
358 Elf32_External_Rela
*, "relocs");
360 rel_size
= rel_size
/ sizeof (Elf32_External_Rela
);
362 relas
= (Elf_Internal_Rela
*) malloc (rel_size
*
363 sizeof (Elf_Internal_Rela
));
365 for (i
= 0; i
< rel_size
; i
++)
367 relas
[i
].r_offset
= BYTE_GET (erelas
[i
].r_offset
);
368 relas
[i
].r_info
= BYTE_GET (erelas
[i
].r_info
);
369 relas
[i
].r_addend
= BYTE_GET (erelas
[i
].r_addend
);
375 rels
= (Elf_Internal_Rel
*) relas
;
380 warn (_("Don't know about relocations on this machine architecture\n"));
386 (_(" Offset Value Type Symbol's Value Symbol's Name Addend\n"));
389 (_(" Offset Value Type Symbol's Value Symbol's Name\n"));
391 for (i
= 0; i
< rel_size
; i
++)
394 unsigned long offset
;
400 offset
= relas
[i
].r_offset
;
401 info
= relas
[i
].r_info
;
405 offset
= rels
[i
].r_offset
;
406 info
= rels
[i
].r_info
;
409 printf (" %8.8lx %5.5lx ", offset
, info
);
411 switch (elf_header
.e_machine
)
418 rtype
= elf_m32r_reloc_type (ELF32_R_TYPE (info
));
423 rtype
= elf_i386_reloc_type (ELF32_R_TYPE (info
));
427 rtype
= elf_m68k_reloc_type (ELF32_R_TYPE (info
));
431 rtype
= elf_sparc_reloc_type (ELF32_R_TYPE (info
));
435 rtype
= v850_reloc_type (ELF32_R_TYPE (info
));
439 rtype
= elf_d10v_reloc_type (ELF32_R_TYPE (info
));
442 /* start-sanitize-d30v */
444 rtype
= elf_d30v_reloc_type (ELF32_R_TYPE (info
));
447 /* end-sanitize-d30v */
449 rtype
= elf_sh_reloc_type (ELF32_R_TYPE (info
));
452 case EM_CYGNUS_MN10300
:
453 rtype
= elf_mn10300_reloc_type (ELF32_R_TYPE (info
));
456 case EM_CYGNUS_MN10200
:
457 rtype
= elf_mn10200_reloc_type (ELF32_R_TYPE (info
));
461 rtype
= ppc_reloc_type (ELF32_R_TYPE (info
));
466 rtype
= elf_mips_reloc_type (ELF32_R_TYPE (info
));
470 rtype
= elf_alpha_reloc_type (ELF32_R_TYPE (info
));
474 rtype
= elf_arm_reloc_type (ELF32_R_TYPE (info
));
478 rtype
= elf_arc_reloc_type (ELF32_R_TYPE (info
));
482 rtype
= elf32_hppa_reloc_type (ELF32_R_TYPE (info
));
487 printf (_("unrecognised: %-7x"), ELF32_R_TYPE (info
));
489 printf ("%-21.21s", rtype
);
491 symtab_index
= ELF32_R_SYM (info
);
493 if (symtab_index
&& symtab
!= NULL
)
495 Elf_Internal_Sym
* psym
;
497 psym
= symtab
+ symtab_index
;
499 printf (" %08lx ", (unsigned long) psym
->st_value
);
501 if (psym
->st_name
== 0)
503 SECTION_NAME (section_headers
+ psym
->st_shndx
));
504 else if (strtab
== NULL
)
505 printf (_("<string table index %3d>"), psym
->st_name
);
507 printf ("%-25.25s", strtab
+ psym
->st_name
);
510 printf (" + %lx", (unsigned long) relas
[i
].r_addend
);
522 get_mips_dynamic_type (type
)
527 case DT_MIPS_RLD_VERSION
: return "MIPS_RLD_VERSION";
528 case DT_MIPS_TIME_STAMP
: return "MIPS_TIME_STAMP";
529 case DT_MIPS_ICHECKSUM
: return "MIPS_ICHECKSUM";
530 case DT_MIPS_IVERSION
: return "MIPS_IVERSION";
531 case DT_MIPS_FLAGS
: return "MIPS_FLAGS";
532 case DT_MIPS_BASE_ADDRESS
: return "MIPS_BASE_ADDRESS";
533 case DT_MIPS_MSYM
: return "MIPS_MSYM";
534 case DT_MIPS_CONFLICT
: return "MIPS_CONFLICT";
535 case DT_MIPS_LIBLIST
: return "MIPS_LIBLIST";
536 case DT_MIPS_LOCAL_GOTNO
: return "MIPS_LOCAL_GOTNO";
537 case DT_MIPS_CONFLICTNO
: return "MIPS_CONFLICTNO";
538 case DT_MIPS_LIBLISTNO
: return "MIPS_LIBLISTNO";
539 case DT_MIPS_SYMTABNO
: return "MIPS_SYMTABNO";
540 case DT_MIPS_UNREFEXTNO
: return "MIPS_UNREFEXTNO";
541 case DT_MIPS_GOTSYM
: return "MIPS_GOTSYM";
542 case DT_MIPS_HIPAGENO
: return "MIPS_HIPAGENO";
543 case DT_MIPS_RLD_MAP
: return "MIPS_RLD_MAP";
544 case DT_MIPS_DELTA_CLASS
: return "MIPS_DELTA_CLASS";
545 case DT_MIPS_DELTA_CLASS_NO
: return "MIPS_DELTA_CLASS_NO";
546 case DT_MIPS_DELTA_INSTANCE
: return "MIPS_DELTA_INSTANCE";
547 case DT_MIPS_DELTA_INSTANCE_NO
: return "MIPS_DELTA_INSTANCE_NO";
548 case DT_MIPS_DELTA_RELOC
: return "MIPS_DELTA_RELOC";
549 case DT_MIPS_DELTA_RELOC_NO
: return "MIPS_DELTA_RELOC_NO";
550 case DT_MIPS_DELTA_SYM
: return "MIPS_DELTA_SYM";
551 case DT_MIPS_DELTA_SYM_NO
: return "MIPS_DELTA_SYM_NO";
552 case DT_MIPS_DELTA_CLASSSYM
: return "MIPS_DELTA_CLASSSYM";
553 case DT_MIPS_DELTA_CLASSSYM_NO
: return "MIPS_DELTA_CLASSSYM_NO";
554 case DT_MIPS_CXX_FLAGS
: return "MIPS_CXX_FLAGS";
555 case DT_MIPS_PIXIE_INIT
: return "MIPS_PIXIE_INIT";
556 case DT_MIPS_SYMBOL_LIB
: return "MIPS_SYMBOL_LIB";
557 case DT_MIPS_LOCALPAGE_GOTIDX
: return "MIPS_LOCALPAGE_GOTIDX";
558 case DT_MIPS_LOCAL_GOTIDX
: return "MIPS_LOCAL_GOTIDX";
559 case DT_MIPS_HIDDEN_GOTIDX
: return "MIPS_HIDDEN_GOTIDX";
560 case DT_MIPS_PROTECTED_GOTIDX
: return "MIPS_PROTECTED_GOTIDX";
561 case DT_MIPS_OPTIONS
: return "MIPS_OPTIONS";
562 case DT_MIPS_INTERFACE
: return "MIPS_INTERFACE";
563 case DT_MIPS_DYNSTR_ALIGN
: return "MIPS_DYNSTR_ALIGN";
564 case DT_MIPS_INTERFACE_SIZE
: return "MIPS_INTERFACE_SIZE";
565 case DT_MIPS_RLD_TEXT_RESOLVE_ADDR
: return "MIPS_RLD_TEXT_RESOLVE_ADDR";
566 case DT_MIPS_PERF_SUFFIX
: return "MIPS_PERF_SUFFIX";
567 case DT_MIPS_COMPACT_SIZE
: return "MIPS_COMPACT_SIZE";
568 case DT_MIPS_GP_VALUE
: return "MIPS_GP_VALUE";
569 case DT_MIPS_AUX_DYNAMIC
: return "MIPS_AUX_DYNAMIC";
576 get_dynamic_type (type
)
579 static char buff
[32];
583 case DT_NULL
: return _("NULL");
584 case DT_NEEDED
: return _("NEEDED");
585 case DT_PLTRELSZ
: return _("PLTRELSZ");
586 case DT_PLTGOT
: return _("PLTGOT");
587 case DT_HASH
: return _("HASH");
588 case DT_STRTAB
: return _("STRTAB");
589 case DT_SYMTAB
: return _("SYMTAB");
590 case DT_RELA
: return _("RELA");
591 case DT_RELASZ
: return _("RELASZ");
592 case DT_RELAENT
: return _("RELAENT");
593 case DT_STRSZ
: return _("STRSZ");
594 case DT_SYMENT
: return _("SYMENT");
595 case DT_INIT
: return _("INIT");
596 case DT_FINI
: return _("FINI");
597 case DT_SONAME
: return _("SONAME");
598 case DT_RPATH
: return _("RPATH");
599 case DT_SYMBOLIC
: return _("SYMBOLIC");
600 case DT_REL
: return _("REL");
601 case DT_RELSZ
: return _("RELSZ");
602 case DT_RELENT
: return _("RELENT");
603 case DT_PLTREL
: return _("PLTREL");
604 case DT_DEBUG
: return _("DEBUG");
605 case DT_TEXTREL
: return _("TEXTREL");
606 case DT_JMPREL
: return _("JMPREL");
607 case DT_VERDEF
: return _("VERDEF");
608 case DT_VERDEFNUM
: return _("VERDEFNUM");
609 case DT_VERNEED
: return _("VERNEED");
610 case DT_VERNEEDNUM
: return _("VERNEEDNUM");
611 case DT_VERSYM
: return _("VERSYN");
612 case DT_AUXILIARY
: return _("AUXILARY");
613 case DT_FILTER
: return _("FILTER");
616 if ((type
>= DT_LOPROC
) && (type
<= DT_HIPROC
))
618 const char *result
= NULL
;
619 switch (elf_header
.e_machine
)
623 result
= get_mips_dynamic_type (type
);
629 sprintf (buff
, _("Processor Specific: (%x)"), type
);
635 sprintf (buff
, _("<unknown>: %x"), type
);
641 get_file_type (e_type
)
644 static char buff
[32];
648 case ET_NONE
: return _("NONE (None)");
649 case ET_REL
: return _("REL (Relocatable file)");
650 case ET_EXEC
: return _("EXEC (Executable file)");
651 case ET_DYN
: return _("DYN (Shared object file)");
652 case ET_CORE
: return _("CORE (Core file)");
655 if ((e_type
>= ET_LOPROC
) && (e_type
<= ET_HIPROC
))
656 sprintf (buff
, _("Processor Specific: (%x)"), e_type
);
658 sprintf (buff
, _("<unknown>: %x"), e_type
);
664 get_machine_name (e_machine
)
667 static char buff
[32];
671 case EM_NONE
: return _("None");
672 case EM_M32
: return "WE32100";
673 case EM_SPARC
: return "Sparc";
674 case EM_386
: return "Intel 80386";
675 case EM_68K
: return "MC68000";
676 case EM_88K
: return "MC88000";
677 case EM_486
: return "Intel 80486";
678 case EM_860
: return "Intel 80860";
679 case EM_MIPS
: return "MIPS R3000 big-endian";
680 case EM_S370
: return "Amdahl";
681 case EM_MIPS_RS4_BE
: return "MIPS R4000 big-endian";
682 case EM_OLD_SPARCV9
: return "Sparc v9 (old)";
683 case EM_PARISC
: return "HPPA";
684 case EM_PPC_OLD
: return "Power PC (old)";
685 case EM_SPARC32PLUS
: return "Sparc v8+" ;
686 case EM_960
: return "Intel 90860";
687 case EM_PPC
: return "PowerPC";
688 case EM_V800
: return "NEC V800";
689 case EM_FR20
: return "Fujitsu FR20";
690 case EM_RH32
: return "TRW RH32";
691 case EM_MMA
: return "Fujitsu MMA";
692 case EM_ARM
: return "ARM";
693 case EM_OLD_ALPHA
: return "Digital Alpha (old)";
694 case EM_SH
: return "Hitachi SH";
695 case EM_SPARCV9
: return "Sparc v9";
696 case EM_ALPHA
: return "Alpha";
697 case EM_CYGNUS_D10V
: return "d10v";
698 /* start-sanitize-d30v */
699 case EM_CYGNUS_D30V
: return "d30v";
700 /* end-sanitize-d30v */
701 case EM_CYGNUS_ARC
: return "Arc";
702 case EM_CYGNUS_M32R
: return "M32r";
703 case EM_CYGNUS_V850
: return "v850";
704 case EM_CYGNUS_MN10300
: return "mn10300";
705 case EM_CYGNUS_MN10200
: return "mn10200";
708 sprintf (buff
, _("<unknown>: %x"), e_machine
);
714 get_machine_flags (e_flags
, e_machine
)
718 static char buf
[1024];
729 if (e_flags
& EF_PPC_EMB
)
730 strcat (buf
, ", emb");
732 if (e_flags
& EF_PPC_RELOCATABLE
)
733 strcat (buf
, ", relocatable");
735 if (e_flags
& EF_PPC_RELOCATABLE_LIB
)
736 strcat (buf
, ", relocatable-lib");
740 if ((e_flags
& EF_M32R_ARCH
) == E_M32R_ARCH
)
741 strcat (buf
, ", m32r");
743 /* start-sanitize-m32rx */
745 if ((e_flags
& EF_M32R_ARCH
) == E_M32RX_ARCH
)
746 strcat (buf
, ", m32rx");
748 /* end-sanitize-m32rx */
753 if (e_flags
& EF_MIPS_NOREORDER
)
754 strcat (buf
, ", noreorder");
756 if (e_flags
& EF_MIPS_PIC
)
757 strcat (buf
, ", pic");
759 if (e_flags
& EF_MIPS_CPIC
)
760 strcat (buf
, ", cpic");
762 if (e_flags
& EF_MIPS_ABI2
)
763 strcat (buf
, ", abi2");
765 if ((e_flags
& EF_MIPS_ARCH
) == E_MIPS_ARCH_1
)
766 strcat (buf
, ", mips1");
768 if ((e_flags
& EF_MIPS_ARCH
) == E_MIPS_ARCH_2
)
769 strcat (buf
, ", mips2");
771 if ((e_flags
& EF_MIPS_ARCH
) == E_MIPS_ARCH_3
)
772 strcat (buf
, ", mips3");
774 if ((e_flags
& EF_MIPS_ARCH
) == E_MIPS_ARCH_4
)
775 strcat (buf
, ", mips4");
784 get_machine_data (e_data
)
787 static char buff
[32];
791 case ELFDATA2LSB
: return _("ELFDATA2LSB (little endian)");
792 case ELFDATA2MSB
: return _("ELFDATA2MSB (big endian)");
794 sprintf (buff
, _("<unknown>: %x"), e_data
);
800 get_mips_segment_type (type
)
805 case PT_MIPS_REGINFO
:
809 case PT_MIPS_OPTIONS
:
819 get_segment_type (p_type
)
820 unsigned long p_type
;
822 static char buff
[32];
826 case PT_NULL
: return "NULL";
827 case PT_LOAD
: return "LOAD";
828 case PT_DYNAMIC
: return "DYNAMIC";
829 case PT_INTERP
: return "INTERP";
830 case PT_NOTE
: return "NOTE";
831 case PT_SHLIB
: return "SHLIB";
832 case PT_PHDR
: return "PHDR";
835 if ((p_type
>= PT_LOPROC
) && (p_type
<= PT_HIPROC
))
838 switch (elf_header
.e_machine
)
842 result
= get_mips_segment_type (p_type
);
850 sprintf (buff
, "LOPROC+%d", p_type
- PT_LOPROC
);
857 sprintf (buff
, _("<unknown>: %x"), p_type
);
864 get_mips_section_type_name (sh_type
)
865 unsigned int sh_type
;
869 case SHT_MIPS_LIBLIST
:
870 return "MIPS_LIBLIST";
873 case SHT_MIPS_CONFLICT
:
874 return "MIPS_CONFLICT";
881 case SHT_MIPS_REGINFO
:
882 return "MIPS_REGINFO";
883 case SHT_MIPS_PACKAGE
:
884 return "MIPS_PACKAGE";
885 case SHT_MIPS_PACKSYM
:
886 return "MIPS_PACKSYM";
891 case SHT_MIPS_CONTENT
:
892 return "MIPS_CONTENT";
893 case SHT_MIPS_OPTIONS
:
894 return "MIPS_OPTIONS";
899 case SHT_MIPS_EXTSYM
:
900 return "MIPS_EXTSYM";
905 case SHT_MIPS_LOCSYM
:
906 return "MIPS_LOCSYM";
907 case SHT_MIPS_AUXSYM
:
908 return "MIPS_AUXSYM";
909 case SHT_MIPS_OPTSYM
:
910 return "MIPS_OPTSYM";
911 case SHT_MIPS_LOCSTR
:
912 return "MIPS_LOCSTR";
915 case SHT_MIPS_RFDESC
:
916 return "MIPS_RFDESC";
917 case SHT_MIPS_DELTASYM
:
918 return "MIPS_DELTASYM";
919 case SHT_MIPS_DELTAINST
:
920 return "MIPS_DELTAINST";
921 case SHT_MIPS_DELTACLASS
:
922 return "MIPS_DELTACLASS";
925 case SHT_MIPS_DELTADECL
:
926 return "MIPS_DELTADECL";
927 case SHT_MIPS_SYMBOL_LIB
:
928 return "MIPS_SYMBOL_LIB";
929 case SHT_MIPS_EVENTS
:
930 return "MIPS_EVENTS";
931 case SHT_MIPS_TRANSLATE
:
932 return "MIPS_TRANSLATE";
937 case SHT_MIPS_XLATE_DEBUG
:
938 return "MIPS_XLATE_DEBUG";
941 case SHT_MIPS_EH_REGION
:
942 return "MIPS_EH_REGION";
943 case SHT_MIPS_XLATE_OLD
:
944 return "MIPS_XLATE_OLD";
945 case SHT_MIPS_PDR_EXCEPTION
:
946 return "MIPS_PDR_EXCEPTION";
954 get_section_type_name (sh_type
)
955 unsigned int sh_type
;
957 static char buff
[32];
961 case SHT_NULL
: return "NULL";
962 case SHT_PROGBITS
: return "PROGBITS";
963 case SHT_SYMTAB
: return "SYMTAB";
964 case SHT_STRTAB
: return "STRTAB";
965 case SHT_RELA
: return "RELA";
966 case SHT_HASH
: return "HASH";
967 case SHT_DYNAMIC
: return "DYNAMIC";
968 case SHT_NOTE
: return "NOTE";
969 case SHT_NOBITS
: return "NOBITS";
970 case SHT_REL
: return "REL";
971 case SHT_SHLIB
: return "SHLIB";
972 case SHT_DYNSYM
: return "DYNSYM";
973 case SHT_GNU_verdef
: return "VERDEF";
974 case SHT_GNU_verneed
: return "VERNEED";
975 case SHT_GNU_versym
: return "VERSYM";
976 case 0x6ffffff0: return "VERSYM";
977 case 0x6ffffffc: return "VERDEF";
978 case 0x7ffffffd: return "AUXILIARY";
979 case 0x7fffffff: return "FILTER";
982 if ((sh_type
>= SHT_LOPROC
) && (sh_type
<= SHT_HIPROC
))
986 switch (elf_header
.e_machine
)
990 result
= get_mips_section_type_name (sh_type
);
999 sprintf (buff
, _("SHT_LOPROC+%d"), sh_type
- SHT_LOPROC
);
1004 else if ((sh_type
>= SHT_LOUSER
) && (sh_type
<= SHT_HIUSER
))
1005 sprintf (buff
, _("SHT_LOUSER+%d"), sh_type
- SHT_LOUSER
);
1007 sprintf (buff
, _("<unknown>: %x"), sh_type
);
1012 struct option options
[] =
1014 {"all", no_argument
, 0, 'a'},
1015 {"file-header", no_argument
, 0, 'h'},
1016 {"program-headers", no_argument
, 0, 'l'},
1017 {"headers", no_argument
, 0, 'e'},
1018 {"segments", no_argument
, 0, 'l'},
1019 {"sections", no_argument
, 0, 'S'},
1020 {"section-headers", no_argument
, 0, 'S'},
1021 {"symbols", no_argument
, 0, 's'},
1022 {"relocs", no_argument
, 0, 'r'},
1023 {"dynamic", no_argument
, 0, 'd'},
1024 {"version-info", no_argument
, 0, 'V'},
1025 {"use-dynamic", no_argument
, 0, 'D'},
1027 {"hex-dump", required_argument
, 0, 'x'},
1028 #ifdef SUPPORT_DISASSEMBLY
1029 {"instruction-dump", required_argument
, 0, 'i'},
1032 {"version", no_argument
, 0, 'v'},
1033 {"help", no_argument
, 0, 'H'},
1035 {0, no_argument
, 0, 0}
1041 fprintf (stdout
, _("Usage: readelf {options} elf-file(s)\n"));
1042 fprintf (stdout
, _(" Options are:\n"));
1043 fprintf (stdout
, _(" -a or --all Equivalent to: -h -l -S -s -r -d -V\n"));
1044 fprintf (stdout
, _(" -h or --file-header Display the ELF file header\n"));
1045 fprintf (stdout
, _(" -l or --program-headers or --segments\n"));
1046 fprintf (stdout
, _(" Display the program headers\n"));
1047 fprintf (stdout
, _(" -S or --section-headers or --sections\n"));
1048 fprintf (stdout
, _(" Display the sections' header\n"));
1049 fprintf (stdout
, _(" -e or --headers Equivalent to: -h -l -S\n"));
1050 fprintf (stdout
, _(" -s or --symbols Display the symbol table\n"));
1051 fprintf (stdout
, _(" -r or --relocs Display the relocations (if present)\n"));
1052 fprintf (stdout
, _(" -d or --dynamic Display the dynamic segment (if present)\n"));
1053 fprintf (stdout
, _(" -V or --version-info Display the version sections (if present)\n"));
1054 fprintf (stdout
, _(" -D or --use-dynamic Use the dynamic section info when displaying symbols\n"));
1055 fprintf (stdout
, _(" -x <number> or --hex-dump=<number>\n"));
1056 fprintf (stdout
, _(" Dump the contents of section <number>\n"));
1057 #ifdef SUPPORT_DISASSEMBLY
1058 fprintf (stdout
, _(" -i <number> or --instruction-dump=<number>\n"));
1059 fprintf (stdout
, _(" Disassemble the contents of section <number>\n"));
1061 fprintf (stdout
, _(" -v or --version Display the version number of readelf\n"));
1062 fprintf (stdout
, _(" -H or --help Display this information\n"));
1063 fprintf (stdout
, _("Report bugs to bug-gnu-utils@gnu.org\n"));
1069 parse_args (argc
, argv
)
1078 while ((c
= getopt_long
1079 (argc
, argv
, "ersahldSDx:i:vV", options
, NULL
)) != EOF
)
1105 do_using_dynamic
++;
1127 section
= strtoul (optarg
, & cp
, 0);
1128 if (! * cp
&& section
>= 0 && section
< NUM_DUMP_SECTS
)
1130 dump_sects
[section
] |= HEX_DUMP
;
1134 #ifdef SUPPORT_DISASSEMBLY
1137 section
= strtoul (optarg
, & cp
, 0);
1138 if (! * cp
&& section
>= 0 && section
< NUM_DUMP_SECTS
)
1140 dump_sects
[section
] |= DISASS_DUMP
;
1146 print_version (program_name
);
1153 /* xgettext:c-format */
1154 error (_("Invalid option '-%c'\n"), c
);
1161 if (!do_dynamic
&& !do_syms
&& !do_reloc
&& !do_sections
1162 && !do_segments
&& !do_header
&& !do_dump
&& !do_version
)
1166 warn (_("Nothing to do.\n"));
1171 /* Decode the data held in 'elf_header'. */
1173 process_file_header ()
1175 if ( elf_header
.e_ident
[EI_MAG0
] != ELFMAG0
1176 || elf_header
.e_ident
[EI_MAG1
] != ELFMAG1
1177 || elf_header
.e_ident
[EI_MAG2
] != ELFMAG2
1178 || elf_header
.e_ident
[EI_MAG3
] != ELFMAG3
)
1181 (_("Not an ELF file - it has the wrong magic bytes at the start\n"));
1185 if (elf_header
.e_ident
[EI_CLASS
] != ELFCLASS32
)
1187 error (_("Not a 32 bit ELF file\n"));
1195 printf (_("ELF Header:\n"));
1196 printf (_(" Magic: "));
1197 for (i
= 0; i
< EI_NIDENT
; i
++)
1198 printf ("%2.2x ", elf_header
.e_ident
[i
]);
1200 printf (_(" Type: %s\n"),
1201 get_file_type (elf_header
.e_type
));
1202 printf (_(" Machine: %s\n"),
1203 get_machine_name (elf_header
.e_machine
));
1204 printf (_(" Version: 0x%lx\n"),
1205 (unsigned long) elf_header
.e_version
);
1206 printf (_(" Data: %s\n"),
1207 get_machine_data (elf_header
.e_ident
[EI_DATA
]));
1208 printf (_(" Entry point address: 0x%lx\n"),
1209 (unsigned long) elf_header
.e_entry
);
1210 printf (_(" Start of program headers: %ld (bytes into file)\n"),
1211 (long) elf_header
.e_phoff
);
1212 printf (_(" Start of section headers: %ld (bytes into file)\n"),
1213 (long) elf_header
.e_shoff
);
1214 printf (_(" Flags: 0x%lx%s\n"),
1215 (unsigned long) elf_header
.e_flags
,
1216 get_machine_flags (elf_header
.e_flags
, elf_header
.e_machine
));
1217 printf (_(" Size of this header: %ld (bytes)\n"),
1218 (long) elf_header
.e_ehsize
);
1219 printf (_(" Size of program headers: %ld (bytes)\n"),
1220 (long) elf_header
.e_phentsize
);
1221 printf (_(" Number of program headers: %ld\n"),
1222 (long) elf_header
.e_phnum
);
1223 printf (_(" Size of section headers: %ld (bytes)\n"),
1224 (long) elf_header
.e_shentsize
);
1225 printf (_(" Number of section headers: %ld\n"),
1226 (long) elf_header
.e_shnum
);
1227 printf (_(" Section header string table index: %ld\n"),
1228 (long) elf_header
.e_shstrndx
);
1236 process_program_headers (file
)
1239 Elf32_External_Phdr
* phdrs
;
1240 Elf32_Internal_Phdr
* program_headers
;
1241 Elf32_Internal_Phdr
* segment
;
1244 if (elf_header
.e_phnum
== 0)
1247 printf (_("\nThere are no program headers in this file.\n"));
1251 if (do_segments
&& !do_header
)
1253 printf (_("\nElf file is %s\n"), get_file_type (elf_header
.e_type
));
1254 printf (_("Entry point 0x%lx\n"), (unsigned long) elf_header
.e_entry
);
1255 printf (_("There are %d program headers, starting at offset %lx:\n"),
1256 elf_header
.e_phnum
, (unsigned long) elf_header
.e_phoff
);
1259 GET_DATA_ALLOC (elf_header
.e_phoff
,
1260 elf_header
.e_phentsize
* elf_header
.e_phnum
,
1261 phdrs
, Elf32_External_Phdr
*, "program headers");
1263 program_headers
= (Elf32_Internal_Phdr
*) malloc
1264 (elf_header
.e_phnum
* sizeof (Elf32_Internal_Phdr
));
1266 if (program_headers
== NULL
)
1268 error (_("Out of memory\n"));
1272 for (i
= 0, segment
= program_headers
;
1273 i
< elf_header
.e_phnum
;
1276 segment
->p_type
= BYTE_GET (phdrs
[i
].p_type
);
1277 segment
->p_offset
= BYTE_GET (phdrs
[i
].p_offset
);
1278 segment
->p_vaddr
= BYTE_GET (phdrs
[i
].p_vaddr
);
1279 segment
->p_paddr
= BYTE_GET (phdrs
[i
].p_paddr
);
1280 segment
->p_filesz
= BYTE_GET (phdrs
[i
].p_filesz
);
1281 segment
->p_memsz
= BYTE_GET (phdrs
[i
].p_memsz
);
1282 segment
->p_flags
= BYTE_GET (phdrs
[i
].p_flags
);
1283 segment
->p_align
= BYTE_GET (phdrs
[i
].p_align
);
1291 (_("\nProgram Header%s:\n"), elf_header
.e_phnum
> 1 ? "s" : "");
1293 (_(" Type Offset VirtAddr PhysAddr FileSiz MemSiz Flg Align\n"));
1299 for (i
= 0, segment
= program_headers
;
1300 i
< elf_header
.e_phnum
;
1305 printf (" %-11.11s ", get_segment_type (segment
->p_type
));
1306 printf ("0x%5.5lx ", (unsigned long) segment
->p_offset
);
1307 printf ("0x%8.8lx ", (unsigned long) segment
->p_vaddr
);
1308 printf ("0x%8.8lx ", (unsigned long) segment
->p_paddr
);
1309 printf ("0x%5.5lx ", (unsigned long) segment
->p_filesz
);
1310 printf ("0x%5.5lx ", (unsigned long) segment
->p_memsz
);
1312 (segment
->p_flags
& PF_R
? 'R' : ' '),
1313 (segment
->p_flags
& PF_W
? 'W' : ' '),
1314 (segment
->p_flags
& PF_X
? 'E' : ' '));
1315 printf ("%#lx", (unsigned long) segment
->p_align
);
1318 switch (segment
->p_type
)
1322 loadaddr
= (segment
->p_vaddr
& 0xfffff000)
1323 - (segment
->p_offset
& 0xfffff000);
1328 error (_("more than one dynamic segment\n"));
1330 dynamic_addr
= segment
->p_offset
;
1331 dynamic_size
= segment
->p_filesz
;
1335 if (fseek (file
, segment
->p_offset
, SEEK_SET
))
1336 error (_("Unable to find program interpreter name\n"));
1339 program_interpreter
[0] = 0;
1340 fscanf (file
, "%63s", program_interpreter
);
1343 printf (_("\n [Requesting program interpreter: %s]"),
1344 program_interpreter
);
1350 putc ('\n', stdout
);
1359 if (do_segments
&& section_headers
!= NULL
)
1361 printf (_("\n Section to Segment mapping:\n"));
1362 printf (_(" Segment Sections...\n"));
1364 assert (string_table
!= NULL
);
1366 for (i
= 0; i
< elf_header
.e_phnum
; i
++)
1369 Elf32_Internal_Shdr
* section
;
1371 segment
= program_headers
+ i
;
1372 section
= section_headers
;
1374 printf (" %2.2d ", i
);
1376 for (j
= 0; j
< elf_header
.e_shnum
; j
++, section
++)
1378 if (section
->sh_size
> 0
1379 /* Compare allocated sections by VMA, unallocated
1380 sections by file offset. */
1381 && (section
->sh_flags
& SHF_ALLOC
1382 ? (section
->sh_addr
>= segment
->p_vaddr
1383 && section
->sh_addr
+ section
->sh_size
1384 <= segment
->p_vaddr
+ segment
->p_memsz
)
1385 : (section
->sh_offset
>= segment
->p_offset
1386 && (section
->sh_offset
+ section
->sh_size
1387 <= segment
->p_offset
+ segment
->p_filesz
))))
1388 printf ("%s ", SECTION_NAME (section
));
1395 free (program_headers
);
1402 get_section_headers (file
)
1405 Elf32_External_Shdr
* shdrs
;
1406 Elf32_Internal_Shdr
* internal
;
1409 GET_DATA_ALLOC (elf_header
.e_shoff
,
1410 elf_header
.e_shentsize
* elf_header
.e_shnum
,
1411 shdrs
, Elf32_External_Shdr
*, "section headers");
1413 section_headers
= (Elf32_Internal_Shdr
*) malloc
1414 (elf_header
.e_shnum
* sizeof (Elf32_Internal_Shdr
));
1416 if (section_headers
== NULL
)
1418 error (_("Out of memory\n"));
1422 for (i
= 0, internal
= section_headers
;
1423 i
< elf_header
.e_shnum
;
1426 internal
->sh_name
= BYTE_GET (shdrs
[i
].sh_name
);
1427 internal
->sh_type
= BYTE_GET (shdrs
[i
].sh_type
);
1428 internal
->sh_flags
= BYTE_GET (shdrs
[i
].sh_flags
);
1429 internal
->sh_addr
= BYTE_GET (shdrs
[i
].sh_addr
);
1430 internal
->sh_offset
= BYTE_GET (shdrs
[i
].sh_offset
);
1431 internal
->sh_size
= BYTE_GET (shdrs
[i
].sh_size
);
1432 internal
->sh_link
= BYTE_GET (shdrs
[i
].sh_link
);
1433 internal
->sh_info
= BYTE_GET (shdrs
[i
].sh_info
);
1434 internal
->sh_addralign
= BYTE_GET (shdrs
[i
].sh_addralign
);
1435 internal
->sh_entsize
= BYTE_GET (shdrs
[i
].sh_entsize
);
1443 static Elf_Internal_Sym
*
1444 get_elf_symbols (file
, offset
, number
)
1446 unsigned long offset
;
1447 unsigned long number
;
1449 Elf32_External_Sym
* esyms
;
1450 Elf_Internal_Sym
* isyms
;
1451 Elf_Internal_Sym
* psym
;
1454 GET_DATA_ALLOC (offset
, number
* sizeof (Elf32_External_Sym
),
1455 esyms
, Elf32_External_Sym
*, "symbols");
1457 isyms
= (Elf_Internal_Sym
*) malloc (number
* sizeof (Elf_Internal_Sym
));
1461 error (_("Out of memory\n"));
1467 for (j
= 0, psym
= isyms
;
1471 psym
->st_name
= BYTE_GET (esyms
[j
].st_name
);
1472 psym
->st_value
= BYTE_GET (esyms
[j
].st_value
);
1473 psym
->st_size
= BYTE_GET (esyms
[j
].st_size
);
1474 psym
->st_shndx
= BYTE_GET (esyms
[j
].st_shndx
);
1475 psym
->st_info
= BYTE_GET (esyms
[j
].st_info
);
1476 psym
->st_other
= BYTE_GET (esyms
[j
].st_other
);
1485 process_section_headers (file
)
1488 Elf32_Internal_Shdr
* section
;
1491 section_headers
= NULL
;
1493 if (elf_header
.e_shnum
== 0)
1496 printf (_("\nThere are no sections in this file.\n"));
1501 if (do_sections
&& !do_header
)
1502 printf (_("There are %d section headers, starting at offset %x:\n"),
1503 elf_header
.e_shnum
, elf_header
.e_shoff
);
1505 if (! get_section_headers (file
))
1508 /* Read in the string table, so that we have names to display. */
1509 section
= section_headers
+ elf_header
.e_shstrndx
;
1511 if (section
->sh_size
!= 0)
1513 unsigned long string_table_offset
;
1515 string_table_offset
= section
->sh_offset
;
1517 GET_DATA_ALLOC (section
->sh_offset
, section
->sh_size
,
1518 string_table
, char *, "string table");
1521 /* Scan the sections for the dynamic symbol table
1522 and dynamic string table. */
1523 dynamic_symbols
= NULL
;
1524 dynamic_strings
= NULL
;
1525 for (i
= 0, section
= section_headers
;
1526 i
< elf_header
.e_shnum
;
1529 if (section
->sh_type
== SHT_DYNSYM
)
1531 if (dynamic_symbols
!= NULL
)
1533 error (_("File contains multiple dynamic symbol tables\n"));
1537 dynamic_symbols
= get_elf_symbols
1538 (file
, section
->sh_offset
, section
->sh_size
/ section
->sh_entsize
);
1540 else if (section
->sh_type
== SHT_STRTAB
1541 && strcmp (SECTION_NAME (section
), ".dynstr") == 0)
1543 if (dynamic_strings
!= NULL
)
1545 error (_("File contains multiple dynamic string tables\n"));
1549 GET_DATA_ALLOC (section
->sh_offset
, section
->sh_size
,
1550 dynamic_strings
, char *, "dynamic strings");
1557 printf (_("\nSection Header%s:\n"), elf_header
.e_shnum
> 1 ? "s" : "");
1559 (_(" [Nr] Name Type Addr Off Size ES Flg Lk Inf Al\n"));
1561 for (i
= 0, section
= section_headers
;
1562 i
< elf_header
.e_shnum
;
1565 printf (" [%2d] %-17.17s %-15.15s ",
1567 SECTION_NAME (section
),
1568 get_section_type_name (section
->sh_type
));
1570 printf ( "%8.8lx %6.6lx %6.6lx %2.2lx",
1571 (unsigned long) section
->sh_addr
,
1572 (unsigned long) section
->sh_offset
,
1573 (unsigned long) section
->sh_size
,
1574 (unsigned long) section
->sh_entsize
);
1576 printf (" %c%c%c %2ld %3lx %ld \n",
1577 (section
->sh_flags
& SHF_WRITE
? 'W' : ' '),
1578 (section
->sh_flags
& SHF_ALLOC
? 'A' : ' '),
1579 (section
->sh_flags
& SHF_EXECINSTR
? 'X' : ' '),
1580 (unsigned long) section
->sh_link
,
1581 (unsigned long) section
->sh_info
,
1582 (unsigned long) section
->sh_addralign
);
1588 /* Process the reloc section. */
1590 process_relocs (file
)
1593 unsigned long rel_size
;
1594 unsigned long rel_offset
;
1600 if (do_using_dynamic
)
1605 if (dynamic_info
[DT_REL
])
1607 rel_offset
= dynamic_info
[DT_REL
];
1608 rel_size
= dynamic_info
[DT_RELSZ
];
1610 else if (dynamic_info
[DT_RELA
])
1612 rel_offset
= dynamic_info
[DT_RELA
];
1613 rel_size
= dynamic_info
[DT_RELASZ
];
1615 else if (dynamic_info
[DT_JMPREL
])
1617 rel_offset
= dynamic_info
[DT_JMPREL
];
1618 rel_size
= dynamic_info
[DT_PLTRELSZ
];
1624 (_("\nRelocation section at offset 0x%x contains %d bytes:\n"),
1625 rel_offset
, rel_size
);
1627 dump_relocations (file
, rel_offset
- loadaddr
, rel_size
,
1628 dynamic_symbols
, dynamic_strings
);
1631 printf (_("\nThere are no dynamic relocations in this file.\n"));
1635 Elf32_Internal_Shdr
* section
;
1639 for (i
= 0, section
= section_headers
;
1640 i
< elf_header
.e_shnum
;
1643 if ( section
->sh_type
!= SHT_RELA
1644 && section
->sh_type
!= SHT_REL
)
1647 rel_offset
= section
->sh_offset
;
1648 rel_size
= section
->sh_size
;
1652 Elf32_Internal_Shdr
* strsec
;
1653 Elf32_Internal_Shdr
* symsec
;
1654 Elf_Internal_Sym
* symtab
;
1657 printf (_("\nRelocation section "));
1659 if (string_table
== NULL
)
1660 printf ("%d", section
->sh_name
);
1662 printf ("'%s'", SECTION_NAME (section
));
1664 printf (_(" at offset 0x%x contains %d entries:\n"),
1665 rel_offset
, rel_size
/ section
->sh_entsize
);
1667 symsec
= section_headers
+ section
->sh_link
;
1669 symtab
= get_elf_symbols (file
, symsec
->sh_offset
,
1670 symsec
->sh_size
/ symsec
->sh_entsize
);
1675 strsec
= section_headers
+ symsec
->sh_link
;
1677 GET_DATA_ALLOC (strsec
->sh_offset
, strsec
->sh_size
, strtab
,
1678 char *, "string table");
1680 dump_relocations (file
, rel_offset
, rel_size
, symtab
, strtab
);
1690 printf (_("\nThere are no relocations in this file.\n"));
1698 dynamic_segment_mips_val (entry
)
1699 Elf_Internal_Dyn
*entry
;
1701 switch (entry
->d_tag
)
1703 case DT_MIPS_LOCAL_GOTNO
:
1704 case DT_MIPS_CONFLICTNO
:
1705 case DT_MIPS_LIBLISTNO
:
1706 case DT_MIPS_SYMTABNO
:
1707 case DT_MIPS_UNREFEXTNO
:
1708 case DT_MIPS_HIPAGENO
:
1709 case DT_MIPS_DELTA_CLASS_NO
:
1710 case DT_MIPS_DELTA_INSTANCE_NO
:
1711 case DT_MIPS_DELTA_RELOC_NO
:
1712 case DT_MIPS_DELTA_SYM_NO
:
1713 case DT_MIPS_DELTA_CLASSSYM_NO
:
1715 printf ("%#ld\n", (long) entry
->d_un
.d_ptr
);
1719 printf ("%#lx\n", (long) entry
->d_un
.d_ptr
);
1723 /* Parse the dynamic segment */
1725 process_dynamic_segment (file
)
1728 Elf_Internal_Dyn
* entry
;
1729 Elf32_External_Dyn
* edyn
;
1732 if (dynamic_size
== 0)
1735 printf (_("\nThere is no dynamic segment in this file.\n"));
1740 GET_DATA_ALLOC (dynamic_addr
, dynamic_size
,
1741 edyn
, Elf32_External_Dyn
*, "dynamic segment");
1743 /* SGI's ELF has more than one section in the DYNAMIC segment. Determine
1744 how large .dynamic is now. We can do this even before the byte
1745 swapping since the DT_NULL tag is recognizable. */
1747 while (*(Elf32_Word
*) edyn
[dynamic_size
++].d_tag
!= DT_NULL
)
1750 dynamic_segment
= (Elf_Internal_Dyn
*)
1751 malloc (dynamic_size
* sizeof (Elf_Internal_Dyn
));
1753 if (dynamic_segment
== NULL
)
1755 error (_("Out of memory\n"));
1760 for (i
= 0, entry
= dynamic_segment
;
1764 entry
->d_tag
= BYTE_GET (edyn
[i
].d_tag
);
1765 entry
->d_un
.d_val
= BYTE_GET (edyn
[i
].d_un
.d_val
);
1770 /* Find the appropriate symbol table. */
1771 if (dynamic_symbols
== NULL
)
1773 for (i
= 0, entry
= dynamic_segment
;
1777 unsigned long offset
;
1780 if (entry
->d_tag
!= DT_SYMTAB
)
1783 dynamic_info
[DT_SYMTAB
] = entry
->d_un
.d_val
;
1785 /* Since we do not know how big the symbol table is,
1786 we default to reading in the entire file (!) and
1787 processing that. This is overkill, I know, but it
1790 offset
= entry
->d_un
.d_val
- loadaddr
;
1792 if (fseek (file
, 0, SEEK_END
))
1793 error (_("Unable to seek to end of file!"));
1795 num_syms
= (ftell (file
) - offset
) / sizeof (Elf32_External_Sym
);
1799 error (_("Unable to determine the number of symbols to load\n"));
1803 dynamic_symbols
= get_elf_symbols (file
, offset
, num_syms
);
1807 /* Similarly find a string table. */
1808 if (dynamic_strings
== NULL
)
1810 for (i
= 0, entry
= dynamic_segment
;
1814 unsigned long offset
;
1817 if (entry
->d_tag
!= DT_STRTAB
)
1820 dynamic_info
[DT_STRTAB
] = entry
->d_un
.d_val
;
1822 /* Since we do not know how big the string table is,
1823 we default to reading in the entire file (!) and
1824 processing that. This is overkill, I know, but it
1827 offset
= entry
->d_un
.d_val
- loadaddr
;
1828 if (fseek (file
, 0, SEEK_END
))
1829 error (_("Unable to seek to end of file\n"));
1830 str_tab_len
= ftell (file
) - offset
;
1832 if (str_tab_len
< 1)
1835 (_("Unable to determine the length of the dynamic string table\n"));
1839 GET_DATA_ALLOC (offset
, str_tab_len
, dynamic_strings
, char *,
1840 "dynamic string table");
1846 if (do_dynamic
&& dynamic_addr
)
1847 printf (_("\nDynamic segment at offset 0x%x contains %d entries:\n"),
1848 dynamic_addr
, dynamic_size
);
1850 printf (_(" Tag Type Name/Value\n"));
1852 for (i
= 0, entry
= dynamic_segment
;
1857 printf (_(" 0x%-8.8lx (%s)%*s"),
1858 (unsigned long) entry
->d_tag
,
1859 get_dynamic_type (entry
->d_tag
),
1860 27 - strlen (get_dynamic_type (entry
->d_tag
)),
1863 switch (entry
->d_tag
)
1869 if (entry
->d_tag
== DT_AUXILIARY
)
1870 printf (_("Auxiliary library"));
1872 printf (_("Filter library"));
1874 if (dynamic_strings
)
1875 printf (": [%s]\n", dynamic_strings
+ entry
->d_un
.d_val
);
1877 printf (": %#lx\n", (long) entry
->d_un
.d_val
);
1905 dynamic_info
[entry
->d_tag
] = entry
->d_un
.d_val
;
1911 if (dynamic_strings
== NULL
)
1914 name
= dynamic_strings
+ entry
->d_un
.d_val
;
1918 switch (entry
->d_tag
)
1921 printf (_("Shared library: [%s]"), name
);
1923 if (strcmp (name
, program_interpreter
))
1926 printf (_(" program interpreter\n"));
1930 printf (_("Library soname: [%s]\n"), name
);
1934 printf (_("Library rpath: [%s]\n"), name
);
1938 printf ("%#lx\n", (long) entry
->d_un
.d_val
);
1942 printf ("%#lx\n", (long) entry
->d_un
.d_val
);
1947 if ((entry
->d_tag
>= DT_VERSYM
) && (entry
->d_tag
<= DT_VERNEEDNUM
))
1949 version_info
[DT_VERSIONTAGIDX (entry
->d_tag
)] =
1953 printf ("%#lx\n", (long) entry
->d_un
.d_ptr
);
1956 switch (elf_header
.e_machine
)
1959 case EM_MIPS_RS4_BE
:
1960 dynamic_segment_mips_val (entry
);
1964 printf ("%#lx\n", (long) entry
->d_un
.d_ptr
);
1974 get_ver_flags (flags
)
1977 static char buff
[32];
1984 if (flags
& VER_FLG_BASE
)
1985 strcat (buff
, "BASE ");
1987 if (flags
& VER_FLG_WEAK
)
1989 if (flags
& VER_FLG_BASE
)
1990 strcat (buff
, "| ");
1992 strcat (buff
, "WEAK ");
1995 if (flags
& ~(VER_FLG_BASE
| VER_FLG_WEAK
))
1996 strcat (buff
, "| <unknown>");
2001 /* Display the contents of the version sections. */
2003 process_version_sections (file
)
2006 Elf32_Internal_Shdr
* section
;
2013 for (i
= 0, section
= section_headers
;
2014 i
< elf_header
.e_shnum
;
2017 switch (section
->sh_type
)
2019 case SHT_GNU_verdef
:
2021 Elf_External_Verdef
* edefs
;
2028 (_("\nVersion definition section '%s' contains %d entries:\n"),
2029 SECTION_NAME (section
), section
->sh_info
);
2031 printf (_(" Addr: %#08x Offset: %#08x Link: %x (%s)\n"),
2032 section
->sh_addr
, section
->sh_offset
, section
->sh_link
,
2033 SECTION_NAME (section_headers
+ section
->sh_link
));
2035 GET_DATA_ALLOC (section
->sh_offset
, section
->sh_size
,
2036 edefs
, Elf_External_Verdef
*,
2037 "version definition section");
2039 for (idx
= cnt
= 0; cnt
< section
->sh_info
; ++ cnt
)
2042 Elf_External_Verdef
* edef
;
2043 Elf_Internal_Verdef ent
;
2044 Elf_External_Verdaux
* eaux
;
2045 Elf_Internal_Verdaux aux
;
2049 vstart
= ((char *) edefs
) + idx
;
2051 edef
= (Elf_External_Verdef
*) vstart
;
2053 ent
.vd_version
= BYTE_GET (edef
->vd_version
);
2054 ent
.vd_flags
= BYTE_GET (edef
->vd_flags
);
2055 ent
.vd_ndx
= BYTE_GET (edef
->vd_ndx
);
2056 ent
.vd_cnt
= BYTE_GET (edef
->vd_cnt
);
2057 ent
.vd_hash
= BYTE_GET (edef
->vd_hash
);
2058 ent
.vd_aux
= BYTE_GET (edef
->vd_aux
);
2059 ent
.vd_next
= BYTE_GET (edef
->vd_next
);
2061 printf (_(" %#06x: Rev: %d Flags: %s"),
2062 idx
, ent
.vd_version
, get_ver_flags (ent
.vd_flags
));
2064 printf (_(" Index: %ld Cnt: %ld "), ent
.vd_ndx
, ent
.vd_cnt
);
2066 vstart
+= ent
.vd_aux
;
2068 eaux
= (Elf_External_Verdaux
*) vstart
;
2070 aux
.vda_name
= BYTE_GET (eaux
->vda_name
);
2071 aux
.vda_next
= BYTE_GET (eaux
->vda_next
);
2073 if (dynamic_strings
)
2074 printf (_("Name: %s\n"), dynamic_strings
+ aux
.vda_name
);
2076 printf (_("Name index: %ld\n"), aux
.vda_name
);
2078 isum
= idx
+ ent
.vd_aux
;
2080 for (j
= 1; j
< ent
.vd_cnt
; j
++)
2082 isum
+= aux
.vda_next
;
2083 vstart
+= aux
.vda_next
;
2085 eaux
= (Elf_External_Verdaux
*) vstart
;
2087 aux
.vda_name
= BYTE_GET (eaux
->vda_name
);
2088 aux
.vda_next
= BYTE_GET (eaux
->vda_next
);
2090 if (dynamic_strings
)
2091 printf (_(" %#06x: Parent %d: %s\n"),
2092 isum
, j
, dynamic_strings
+ aux
.vda_name
);
2094 printf (_(" %#06x: Parent %d, name index: %ld\n"),
2095 isum
, j
, aux
.vda_name
);
2105 case SHT_GNU_verneed
:
2107 Elf_External_Verneed
* eneed
;
2113 printf (_("\nVersion needs section '%s' contains %d entries:\n"),
2114 SECTION_NAME (section
), section
->sh_info
);
2117 (_(" Addr: %#08x Offset: %#08x Link to section: %d (%s)\n"),
2118 section
->sh_addr
, section
->sh_offset
, section
->sh_link
,
2119 SECTION_NAME (section_headers
+ section
->sh_link
));
2121 GET_DATA_ALLOC (section
->sh_offset
, section
->sh_size
,
2122 eneed
, Elf_External_Verneed
*,
2123 "version need section");
2125 for (idx
= cnt
= 0; cnt
< section
->sh_info
; ++cnt
)
2127 Elf_External_Verneed
* entry
;
2128 Elf_Internal_Verneed ent
;
2133 vstart
= ((char *) eneed
) + idx
;
2135 entry
= (Elf_External_Verneed
*) vstart
;
2137 ent
.vn_version
= BYTE_GET (entry
->vn_version
);
2138 ent
.vn_cnt
= BYTE_GET (entry
->vn_cnt
);
2139 ent
.vn_file
= BYTE_GET (entry
->vn_file
);
2140 ent
.vn_aux
= BYTE_GET (entry
->vn_aux
);
2141 ent
.vn_next
= BYTE_GET (entry
->vn_next
);
2143 printf (_(" %#06x: Version: %d"), idx
, ent
.vn_version
);
2145 if (dynamic_strings
)
2146 printf (_(" File: %s"), dynamic_strings
+ ent
.vn_file
);
2148 printf (_(" File: %lx"), ent
.vn_file
);
2150 printf (_(" Cnt: %d\n"), ent
.vn_cnt
);
2152 vstart
+= ent
.vn_aux
;
2154 for (j
= 0, isum
= idx
+ ent
.vn_aux
; j
< ent
.vn_cnt
; ++j
)
2156 Elf_External_Vernaux
* eaux
;
2157 Elf_Internal_Vernaux aux
;
2159 eaux
= (Elf_External_Vernaux
*) vstart
;
2161 aux
.vna_hash
= BYTE_GET (eaux
->vna_hash
);
2162 aux
.vna_flags
= BYTE_GET (eaux
->vna_flags
);
2163 aux
.vna_other
= BYTE_GET (eaux
->vna_other
);
2164 aux
.vna_name
= BYTE_GET (eaux
->vna_name
);
2165 aux
.vna_next
= BYTE_GET (eaux
->vna_next
);
2167 if (dynamic_strings
)
2168 printf (_(" %#06x: Name: %s"),
2169 isum
, dynamic_strings
+ aux
.vna_name
);
2171 printf (_(" %#06x: Name index: %lx"),
2172 isum
, aux
.vna_name
);
2174 printf (_(" Flags: %s Version: %d\n"),
2175 get_ver_flags (aux
.vna_flags
), aux
.vna_other
);
2177 isum
+= aux
.vna_next
;
2178 vstart
+= aux
.vna_next
;
2188 case SHT_GNU_versym
:
2190 Elf32_Internal_Shdr
* link_section
;
2193 unsigned char * edata
;
2194 unsigned short * data
;
2196 Elf_Internal_Sym
* symbols
;
2197 Elf32_Internal_Shdr
* string_sec
;
2199 link_section
= section_headers
+ section
->sh_link
;
2200 total
= section
->sh_size
/ section
->sh_entsize
;
2204 symbols
= get_elf_symbols
2205 (file
, link_section
->sh_offset
,
2206 link_section
->sh_size
/ link_section
->sh_entsize
);
2208 string_sec
= section_headers
+ link_section
->sh_link
;
2210 GET_DATA_ALLOC (string_sec
->sh_offset
, string_sec
->sh_size
,
2211 strtab
, char *, "version string table");
2213 printf (_("\nVersion symbols section '%s' contains %d entries:\n"),
2214 SECTION_NAME (section
), total
);
2216 printf (_(" Addr: %#08x Offset: %#08x Link: %x (%s)\n"),
2217 section
->sh_addr
, section
->sh_offset
, section
->sh_link
,
2218 SECTION_NAME (link_section
));
2220 GET_DATA_ALLOC (version_info
[DT_VERSIONTAGIDX (DT_VERSYM
)]
2222 total
* sizeof (short), edata
,
2223 char *, "version symbol data");
2225 data
= (unsigned short *) malloc (total
* sizeof (short));
2227 for (cnt
= total
; cnt
--;)
2228 data
[cnt
] = byte_get (edata
+ cnt
* sizeof (short), sizeof (short));
2232 for (cnt
= 0; cnt
< total
; cnt
+= 4)
2236 printf (" %03x:", cnt
);
2238 for (j
= 0; (j
< 4) && (cnt
+ j
) < total
; ++j
)
2239 switch (data
[cnt
+ j
])
2242 fputs (_(" 0 (*local*) "), stdout
);
2246 fputs (_(" 1 (*global*) "), stdout
);
2250 nn
= printf ("%4x%c", data
[cnt
+ j
] & 0x7fff,
2251 data
[cnt
+ j
] & 0x8000 ? 'h' : ' ');
2253 if (symbols
[cnt
+ j
].st_shndx
< SHN_LORESERVE
2254 && section_headers
[symbols
[cnt
+ j
].st_shndx
].sh_type
2257 /* We must test both. */
2258 Elf_Internal_Verneed ivn
;
2259 unsigned long offset
;
2261 offset
= version_info
[DT_VERSIONTAGIDX (DT_VERNEED
)]
2266 Elf_External_Verneed evn
;
2267 Elf_External_Vernaux evna
;
2268 Elf_Internal_Vernaux ivna
;
2269 unsigned long vna_off
;
2271 GET_DATA (offset
, evn
, "version need");
2273 ivn
.vn_aux
= BYTE_GET (evn
.vn_aux
);
2274 ivn
.vn_next
= BYTE_GET (evn
.vn_next
);
2276 vna_off
= offset
+ ivn
.vn_aux
;
2280 GET_DATA (vna_off
, evna
,
2281 "version need aux (1)");
2283 ivna
.vna_next
= BYTE_GET (evna
.vna_next
);
2284 ivna
.vna_other
= BYTE_GET (evna
.vna_other
);
2286 vna_off
+= ivna
.vna_next
;
2288 while (ivna
.vna_other
!= data
[cnt
+ j
]
2289 && ivna
.vna_next
!= 0);
2291 if (ivna
.vna_other
== data
[cnt
+ j
])
2293 ivna
.vna_name
= BYTE_GET (evna
.vna_name
);
2295 nn
+= printf ("(%s%-*s",
2296 strtab
+ ivna
.vna_name
,
2302 else if (ivn
.vn_next
== 0)
2304 if (data
[cnt
+ j
] != 0x8001)
2306 Elf_Internal_Verdef ivd
;
2307 Elf_External_Verdef evd
;
2309 offset
= version_info
2310 [DT_VERSIONTAGIDX (DT_VERDEF
)]
2315 GET_DATA (offset
, evd
,
2316 "version definition");
2318 ivd
.vd_next
= BYTE_GET (evd
.vd_next
);
2319 ivd
.vd_ndx
= BYTE_GET (evd
.vd_ndx
);
2321 offset
+= ivd
.vd_next
;
2324 != (data
[cnt
+ j
] & 0x7fff)
2325 && ivd
.vd_next
!= 0);
2328 == (data
[cnt
+ j
] & 0x7fff))
2330 Elf_External_Verdaux evda
;
2331 Elf_Internal_Verdaux ivda
;
2333 ivd
.vd_aux
= BYTE_GET (evd
.vd_aux
);
2335 GET_DATA (offset
+ ivd
.vd_aux
, evda
,
2336 "version definition aux");
2339 BYTE_GET (evda
.vda_name
);
2343 strtab
+ ivda
.vda_name
,
2354 offset
+= ivn
.vn_next
;
2356 while (ivn
.vn_next
);
2358 else if (symbols
[cnt
+ j
].st_shndx
== SHN_UNDEF
)
2360 Elf_Internal_Verneed ivn
;
2361 unsigned long offset
;
2363 offset
= version_info
[DT_VERSIONTAGIDX (DT_VERNEED
)]
2368 Elf_Internal_Vernaux ivna
;
2369 Elf_External_Verneed evn
;
2370 Elf_External_Vernaux evna
;
2371 unsigned long a_off
;
2373 GET_DATA (offset
, evn
, "version need");
2375 ivn
.vn_aux
= BYTE_GET (evn
.vn_aux
);
2376 ivn
.vn_next
= BYTE_GET (evn
.vn_next
);
2378 a_off
= offset
+ ivn
.vn_aux
;
2382 GET_DATA (a_off
, evna
,
2383 "version need aux (2)");
2385 ivna
.vna_next
= BYTE_GET (evna
.vna_next
);
2386 ivna
.vna_other
= BYTE_GET (evna
.vna_other
);
2388 a_off
+= ivna
.vna_next
;
2390 while (ivna
.vna_other
!= data
[cnt
+ j
]
2391 && ivna
.vna_next
!= 0);
2393 if (ivna
.vna_other
== data
[cnt
+ j
])
2395 ivna
.vna_name
= BYTE_GET (evna
.vna_name
);
2397 nn
+= printf ("(%s%-*s",
2398 strtab
+ ivna
.vna_name
,
2405 offset
+= ivn
.vn_next
;
2407 while (ivn
.vn_next
);
2409 else if (data
[cnt
+ j
] != 0x8001)
2411 Elf_Internal_Verdef ivd
;
2412 Elf_External_Verdef evd
;
2413 unsigned long offset
;
2415 offset
= version_info
2416 [DT_VERSIONTAGIDX (DT_VERDEF
)] - loadaddr
;
2420 GET_DATA (offset
, evd
, "version def");
2422 ivd
.vd_next
= BYTE_GET (evd
.vd_next
);
2423 ivd
.vd_ndx
= BYTE_GET (evd
.vd_ndx
);
2425 offset
+= ivd
.vd_next
;
2427 while (ivd
.vd_ndx
!= (data
[cnt
+ j
] & 0x7fff)
2428 && ivd
.vd_next
!= 0);
2430 if (ivd
.vd_ndx
== (data
[cnt
+ j
] & 0x7fff))
2432 Elf_External_Verdaux evda
;
2433 Elf_Internal_Verdaux ivda
;
2435 ivd
.vd_aux
= BYTE_GET (evd
.vd_aux
);
2437 GET_DATA (offset
- ivd
.vd_next
+ ivd
.vd_aux
,
2438 evda
, "version def aux");
2440 ivda
.vda_name
= BYTE_GET (evda
.vda_name
);
2442 nn
+= printf ("(%s%-*s",
2443 strtab
+ ivda
.vda_name
,
2451 printf ("%*c", 18 - nn
, ' ');
2469 printf (_("\nNo version information found in this file.\n"));
2475 get_symbol_binding (binding
)
2476 unsigned int binding
;
2478 static char buff
[32];
2482 case STB_LOCAL
: return _("LOCAL");
2483 case STB_GLOBAL
: return _("GLOBAL");
2484 case STB_WEAK
: return _("WEAK");
2486 if (binding
>= STB_LOPROC
&& binding
<= STB_HIPROC
)
2487 sprintf (buff
, _("<processor specific>: %d"), binding
);
2489 sprintf (buff
, _("<unknown>: %d"), binding
);
2495 get_symbol_type (type
)
2498 static char buff
[32];
2502 case STT_NOTYPE
: return _("NOTYPE");
2503 case STT_OBJECT
: return _("OBJECT");
2504 case STT_FUNC
: return _("FUNC");
2505 case STT_SECTION
: return _("SECTION");
2506 case STT_FILE
: return _("FILE");
2508 if (type
>= STT_LOPROC
&& type
<= STT_HIPROC
)
2509 sprintf (buff
, _("<processor specific>: %d"), type
);
2511 sprintf (buff
, _("<unknown>: %d"), type
);
2517 get_symbol_index_type (type
)
2522 case SHN_UNDEF
: return "UND";
2523 case SHN_ABS
: return "ABS";
2524 case SHN_COMMON
: return "COM";
2526 if (type
>= SHN_LOPROC
&& type
<= SHN_HIPROC
)
2528 else if (type
>= SHN_LORESERVE
&& type
<= SHN_HIRESERVE
)
2532 static char buff
[32];
2534 sprintf (buff
, "%3d", type
);
2542 get_dynamic_data (file
, number
)
2544 unsigned int number
;
2549 e_data
= (char *) malloc (number
* 4);
2553 error (_("Out of memory\n"));
2557 if (fread (e_data
, 4, number
, file
) != number
)
2559 error (_("Unable to read in dynamic data\n"));
2563 i_data
= (int *) malloc (number
* sizeof (* i_data
));
2567 error (_("Out of memory\n"));
2573 i_data
[number
] = byte_get (e_data
+ number
* 4, 4);
2580 /* Dump the symbol table */
2582 process_symbol_table (file
)
2585 Elf32_Internal_Shdr
* section
;
2590 if (dynamic_info
[DT_HASH
] && do_using_dynamic
&& dynamic_strings
!= NULL
)
2601 if (fseek (file
, dynamic_info
[DT_HASH
] - loadaddr
, SEEK_SET
))
2603 error (_("Unable to seek to start of dynamic information"));
2607 if (fread (& nb
, sizeof (nb
), 1, file
) != 1)
2609 error (_("Failed to read in number of buckets\n"));
2613 if (fread (& nc
, sizeof (nc
), 1, file
) != 1)
2615 error (_("Failed to read in number of chains\n"));
2619 nbuckets
= byte_get (nb
, 4);
2620 nchains
= byte_get (nc
, 4);
2622 buckets
= get_dynamic_data (file
, nbuckets
);
2623 chains
= get_dynamic_data (file
, nchains
);
2625 if (buckets
== NULL
|| chains
== NULL
)
2628 printf (_("\nSymbol table for image:\n"));
2629 printf (_(" Num Buc: Value Size Type Bind Ot Ndx Name\n"));
2631 for (hn
= 0; hn
< nbuckets
; hn
++)
2636 for (si
= buckets
[hn
]; si
; si
= chains
[si
])
2638 Elf_Internal_Sym
* psym
;
2640 psym
= dynamic_symbols
+ si
;
2642 printf (" %3d %3d: %8lx %5ld %6s %6s %2d ",
2644 (unsigned long) psym
->st_value
,
2645 (unsigned long) psym
->st_size
,
2646 get_symbol_type (ELF_ST_TYPE (psym
->st_info
)),
2647 get_symbol_binding (ELF_ST_BIND (psym
->st_info
)),
2650 printf ("%3.3s", get_symbol_index_type (psym
->st_shndx
));
2652 printf (" %s\n", dynamic_strings
+ psym
->st_name
);
2659 else if (!do_using_dynamic
)
2663 for (i
= 0, section
= section_headers
;
2664 i
< elf_header
.e_shnum
;
2669 Elf_Internal_Sym
* symtab
;
2670 Elf_Internal_Sym
* psym
;
2673 if ( section
->sh_type
!= SHT_SYMTAB
2674 && section
->sh_type
!= SHT_DYNSYM
)
2677 printf (_("\nSymbol table '%s' contains %d entries:\n"),
2678 SECTION_NAME (section
),
2679 section
->sh_size
/ section
->sh_entsize
);
2680 fputs (_(" Num: Value Size Type Bind Ot Ndx Name\n"),
2683 symtab
= get_elf_symbols (file
, section
->sh_offset
,
2684 section
->sh_size
/ section
->sh_entsize
);
2688 if (section
->sh_link
== elf_header
.e_shstrndx
)
2689 strtab
= string_table
;
2692 Elf32_Internal_Shdr
* string_sec
;
2694 string_sec
= section_headers
+ section
->sh_link
;
2696 GET_DATA_ALLOC (string_sec
->sh_offset
, string_sec
->sh_size
,
2697 strtab
, char *, "string table");
2700 for (si
= 0, psym
= symtab
;
2701 si
< section
->sh_size
/ section
->sh_entsize
;
2704 printf (" %3d: %8lx %5ld %-7s %-6s %2d ",
2706 (unsigned long) psym
->st_value
,
2707 (unsigned long) psym
->st_size
,
2708 get_symbol_type (ELF_ST_TYPE (psym
->st_info
)),
2709 get_symbol_binding (ELF_ST_BIND (psym
->st_info
)),
2712 if (psym
->st_shndx
== 0)
2713 fputs (" UND", stdout
);
2714 else if ((psym
->st_shndx
& 0xffff) == 0xfff1)
2715 fputs (" ABS", stdout
);
2716 else if ((psym
->st_shndx
& 0xffff) == 0xfff2)
2717 fputs (" COM", stdout
);
2719 printf ("%4x", psym
->st_shndx
);
2721 printf (" %s", strtab
+ psym
->st_name
);
2723 if (section
->sh_type
== SHT_DYNSYM
&&
2724 version_info
[DT_VERSIONTAGIDX (DT_VERSYM
)] != 0)
2726 unsigned char data
[2];
2727 unsigned short vers_data
;
2728 unsigned long offset
;
2732 offset
= version_info
[DT_VERSIONTAGIDX (DT_VERSYM
)]
2735 GET_DATA (offset
+ si
* sizeof (vers_data
), data
,
2738 vers_data
= byte_get (data
, 2);
2740 is_nobits
= psym
->st_shndx
< SHN_LORESERVE
?
2741 (section_headers
[psym
->st_shndx
].sh_type
== SHT_NOBITS
)
2744 check_def
= (psym
->st_shndx
!= SHN_UNDEF
);
2746 if ((vers_data
& 0x8000) || vers_data
> 1)
2748 if (is_nobits
|| ! check_def
)
2750 Elf_External_Verneed evn
;
2751 Elf_Internal_Verneed ivn
;
2752 Elf_Internal_Vernaux ivna
;
2754 /* We must test both. */
2755 offset
= version_info
2756 [DT_VERSIONTAGIDX (DT_VERNEED
)] - loadaddr
;
2758 GET_DATA (offset
, evn
, "version need");
2760 ivn
.vn_aux
= BYTE_GET (evn
.vn_aux
);
2761 ivn
.vn_next
= BYTE_GET (evn
.vn_next
);
2765 unsigned long vna_off
;
2767 vna_off
= offset
+ ivn
.vn_aux
;
2771 Elf_External_Vernaux evna
;
2773 GET_DATA (vna_off
, evna
,
2774 "version need aux (3)");
2776 ivna
.vna_other
= BYTE_GET (evna
.vna_other
);
2777 ivna
.vna_next
= BYTE_GET (evna
.vna_next
);
2778 ivna
.vna_name
= BYTE_GET (evna
.vna_name
);
2780 vna_off
+= ivna
.vna_next
;
2782 while (ivna
.vna_other
!= vers_data
2783 && ivna
.vna_next
!= 0);
2785 if (ivna
.vna_other
== vers_data
)
2788 offset
+= ivn
.vn_next
;
2790 while (ivn
.vn_next
!= 0);
2792 if (ivna
.vna_other
== vers_data
)
2795 strtab
+ ivna
.vna_name
, ivna
.vna_other
);
2798 else if (! is_nobits
)
2799 error (_("bad dynamic symbol"));
2806 if (vers_data
!= 0x8001)
2808 Elf_Internal_Verdef ivd
;
2809 Elf_Internal_Verdaux ivda
;
2810 Elf_External_Verdaux evda
;
2811 unsigned long offset
;
2814 version_info
[DT_VERSIONTAGIDX (DT_VERDEF
)]
2819 Elf_External_Verdef evd
;
2821 GET_DATA (offset
, evd
, "version def");
2823 ivd
.vd_ndx
= BYTE_GET (evd
.vd_ndx
);
2824 ivd
.vd_aux
= BYTE_GET (evd
.vd_aux
);
2825 ivd
.vd_next
= BYTE_GET (evd
.vd_next
);
2827 offset
+= ivd
.vd_next
;
2829 while (ivd
.vd_ndx
!= (vers_data
& 0x7fff)
2830 && ivd
.vd_next
!= 0);
2832 offset
-= ivd
.vd_next
;
2833 offset
+= ivd
.vd_aux
;
2835 GET_DATA (offset
, evda
, "version def aux");
2837 ivda
.vda_name
= BYTE_GET (evda
.vda_name
);
2839 if (psym
->st_name
!= ivda
.vda_name
)
2840 printf ((vers_data
& 0x8000)
2842 strtab
+ ivda
.vda_name
);
2852 if (strtab
!= string_table
)
2858 (_("\nDynamic symbol information is not available for displaying symbols.\n"));
2864 process_section_contents (file
)
2867 Elf32_Internal_Shdr
* section
;
2873 for (i
= 0, section
= section_headers
;
2874 i
< elf_header
.e_shnum
;
2877 #ifdef SUPPORT_DISASSEMBLY
2878 /* See if we need an assembly dump of this section */
2880 if ((i
< NUM_DUMP_SECTS
) && (dump_sects
[i
] & DISASS_DUMP
))
2882 printf (_("\nAssembly dump of section %s\n"),
2883 SECTION_NAME (section
));
2885 /* XXX -- to be done --- XXX */
2888 /* See if we need a hex dump of this section. */
2889 if ((i
< NUM_DUMP_SECTS
) && (dump_sects
[i
] & HEX_DUMP
))
2893 unsigned char * data
;
2896 printf (_("\nHex dump of section '%s':\n"), SECTION_NAME (section
));
2898 bytes
= section
->sh_size
;
2899 addr
= section
->sh_addr
;
2901 GET_DATA_ALLOC (section
->sh_offset
, bytes
, start
, char *,
2912 lbytes
= (bytes
> 16 ? 16 : bytes
);
2914 printf (" 0x%8.8x ", addr
);
2916 switch (elf_header
.e_ident
[EI_DATA
])
2919 for (j
= 15; j
>= 0; j
--)
2922 printf ("%2.2x", data
[j
]);
2932 for (j
= 0; j
< 16; j
++)
2935 printf ("%2.2x", data
[j
]);
2945 for (j
= 0; j
< lbytes
; j
++)
2948 if (k
>= ' ' && k
< 0x80)
2969 process_mips_fpe_exception (mask
)
2975 if (mask
& OEX_FPU_INEX
)
2976 fputs ("INEX", stdout
), first
= 0;
2977 if (mask
& OEX_FPU_UFLO
)
2978 printf ("%sUFLO", first
? "" : "|"), first
= 0;
2979 if (mask
& OEX_FPU_OFLO
)
2980 printf ("%sOFLO", first
? "" : "|"), first
= 0;
2981 if (mask
& OEX_FPU_DIV0
)
2982 printf ("%sDIV0", first
? "" : "|"), first
= 0;
2983 if (mask
& OEX_FPU_INVAL
)
2984 printf ("%sINVAL", first
? "" : "|");
2987 fputs ("0", stdout
);
2991 process_mips_specific (file
)
2994 Elf_Internal_Dyn
* entry
;
2995 size_t liblist_offset
= 0;
2996 size_t liblistno
= 0;
2997 size_t options_offset
= 0;
2999 /* We have a lot of special sections. Thanks SGI! */
3000 if (dynamic_segment
== NULL
)
3001 /* No information available. */
3004 for (entry
= dynamic_segment
; entry
->d_tag
!= DT_NULL
; ++entry
)
3005 switch (entry
->d_tag
)
3007 case DT_MIPS_LIBLIST
:
3008 liblist_offset
= entry
->d_un
.d_val
- loadaddr
;
3010 case DT_MIPS_LIBLISTNO
:
3011 liblistno
= entry
->d_un
.d_val
;
3013 case DT_MIPS_OPTIONS
:
3014 options_offset
= entry
->d_un
.d_val
- loadaddr
;
3020 if (liblist_offset
!= 0 && liblistno
!= 0 && do_dynamic
)
3022 Elf32_External_Lib
*elib
;
3025 GET_DATA_ALLOC (liblist_offset
, liblistno
* sizeof (Elf32_External_Lib
),
3026 elib
, Elf32_External_Lib
*, "liblist");
3028 printf ("\nSection '.liblist' contains %d entries:\n", liblistno
);
3029 fputs (" Library Time Stamp Checksum Version Flags\n",
3032 for (cnt
= 0; cnt
< liblistno
; ++cnt
)
3038 liblist
.l_name
= BYTE_GET (elib
[cnt
].l_name
);
3039 time
= BYTE_GET (elib
[cnt
].l_time_stamp
);
3040 liblist
.l_checksum
= BYTE_GET (elib
[cnt
].l_checksum
);
3041 liblist
.l_version
= BYTE_GET (elib
[cnt
].l_version
);
3042 liblist
.l_flags
= BYTE_GET (elib
[cnt
].l_flags
);
3044 strftime (timebuf
, 17, "%Y-%m-%dT%H:%M", gmtime (&time
));
3046 printf ("%3d: %-20s %s %#10lx %-7ld %#lx\n", cnt
,
3047 dynamic_strings
+ liblist
.l_name
, timebuf
,
3048 liblist
.l_checksum
, liblist
.l_version
, liblist
.l_flags
);
3054 if (options_offset
!= 0)
3056 Elf_External_Options
*eopt
;
3057 Elf_Internal_Shdr
*sect
= section_headers
;
3058 Elf_Internal_Options
*iopt
;
3059 Elf_Internal_Options
*option
;
3063 /* Find the section header so that we get the size. */
3064 while (sect
->sh_type
!= SHT_MIPS_OPTIONS
)
3067 GET_DATA_ALLOC (options_offset
, sect
->sh_size
, eopt
,
3068 Elf_External_Options
*, "options");
3070 iopt
= (Elf_Internal_Options
*) malloc ((sect
->sh_size
/ sizeof (eopt
))
3074 error (_("Out of memory"));
3080 while (offset
< sect
->sh_size
)
3082 Elf_External_Options
*eoption
;
3084 eoption
= (Elf_External_Options
*) ((char *) eopt
+ offset
);
3086 option
->kind
= BYTE_GET (eoption
->kind
);
3087 option
->size
= BYTE_GET (eoption
->size
);
3088 option
->section
= BYTE_GET (eoption
->section
);
3089 option
->info
= BYTE_GET (eoption
->info
);
3091 offset
+= option
->size
;
3096 printf (_("\nSection '%s' contains %d entries:\n"),
3097 string_table
+ sect
->sh_name
, cnt
);
3104 switch (option
->kind
)
3107 /* This shouldn't happen. */
3108 printf (" NULL %d %x", option
->section
, option
->info
);
3111 printf (" REGINFO ");
3112 if (elf_header
.e_machine
== EM_MIPS
)
3115 Elf32_External_RegInfo
*ereg
;
3116 Elf32_RegInfo reginfo
;
3118 ereg
= (Elf32_External_RegInfo
*) (option
+ 1);
3119 reginfo
.ri_gprmask
= BYTE_GET (ereg
->ri_gprmask
);
3120 reginfo
.ri_cprmask
[0] = BYTE_GET (ereg
->ri_cprmask
[0]);
3121 reginfo
.ri_cprmask
[1] = BYTE_GET (ereg
->ri_cprmask
[1]);
3122 reginfo
.ri_cprmask
[2] = BYTE_GET (ereg
->ri_cprmask
[2]);
3123 reginfo
.ri_cprmask
[3] = BYTE_GET (ereg
->ri_cprmask
[3]);
3124 reginfo
.ri_gp_value
= BYTE_GET (ereg
->ri_gp_value
);
3126 printf ("GPR %08lx GP %ld\n",
3127 reginfo
.ri_gprmask
, reginfo
.ri_gp_value
);
3128 printf (" CPR0 %08lx CPR1 %08lx CPR2 %08lx CPR3 %08lx\n",
3129 reginfo
.ri_cprmask
[0], reginfo
.ri_cprmask
[1],
3130 reginfo
.ri_cprmask
[2], reginfo
.ri_cprmask
[3]);
3135 Elf64_External_RegInfo
*ereg
;
3136 Elf64_Internal_RegInfo reginfo
;
3138 ereg
= (Elf64_External_RegInfo
*) (option
+ 1);
3139 reginfo
.ri_gprmask
= BYTE_GET (ereg
->ri_gprmask
);
3140 reginfo
.ri_cprmask
[0] = BYTE_GET (ereg
->ri_cprmask
[0]);
3141 reginfo
.ri_cprmask
[1] = BYTE_GET (ereg
->ri_cprmask
[1]);
3142 reginfo
.ri_cprmask
[2] = BYTE_GET (ereg
->ri_cprmask
[2]);
3143 reginfo
.ri_cprmask
[3] = BYTE_GET (ereg
->ri_cprmask
[3]);
3144 reginfo
.ri_gp_value
= BYTE_GET (ereg
->ri_gp_value
);
3146 printf ("GPR %08lx GP %ld\n",
3147 reginfo
.ri_gprmask
, reginfo
.ri_gp_value
);
3148 printf (" CPR0 %08lx CPR1 %08lx CPR2 %08lx CPR3 %08lx\n",
3149 reginfo
.ri_cprmask
[0], reginfo
.ri_cprmask
[1],
3150 reginfo
.ri_cprmask
[2], reginfo
.ri_cprmask
[3]);
3154 case ODK_EXCEPTIONS
:
3155 fputs (" EXCEPTIONS fpe_min(", stdout
);
3156 process_mips_fpe_exception (option
->info
& OEX_FPU_MIN
);
3157 fputs (") fpe_max(", stdout
);
3158 process_mips_fpe_exception ((option
->info
& OEX_FPU_MAX
) >> 8);
3159 fputs (")", stdout
);
3161 if (option
->info
& OEX_PAGE0
)
3162 fputs (" PAGE0", stdout
);
3163 if (option
->info
& OEX_SMM
)
3164 fputs (" SMM", stdout
);
3165 if (option
->info
& OEX_FPDBUG
)
3166 fputs (" FPDBUG", stdout
);
3167 if (option
->info
& OEX_DISMISS
)
3168 fputs (" DISMISS", stdout
);
3171 fputs (" PAD ", stdout
);
3172 if (option
->info
& OPAD_PREFIX
)
3173 fputs (" PREFIX", stdout
);
3174 if (option
->info
& OPAD_POSTFIX
)
3175 fputs (" POSTFIX", stdout
);
3176 if (option
->info
& OPAD_SYMBOL
)
3177 fputs (" SYMBOL", stdout
);
3180 fputs (" HWPATCH ", stdout
);
3181 if (option
->info
& OHW_R4KEOP
)
3182 fputs (" R4KEOP", stdout
);
3183 if (option
->info
& OHW_R8KPFETCH
)
3184 fputs (" R8KPFETCH", stdout
);
3185 if (option
->info
& OHW_R5KEOP
)
3186 fputs (" R5KEOP", stdout
);
3187 if (option
->info
& OHW_R5KCVTL
)
3188 fputs (" R5KCVTL", stdout
);
3191 fputs (" FILL ", stdout
);
3192 /* XXX Print content of info word? */
3195 fputs (" TAGS ", stdout
);
3196 /* XXX Print content of info word? */
3199 fputs (" HWAND ", stdout
);
3200 if (option
->info
& OHWA0_R4KEOP_CHECKED
)
3201 fputs (" R4KEOP_CHECKED", stdout
);
3202 if (option
->info
& OHWA0_R4KEOP_CLEAN
)
3203 fputs (" R4KEOP_CLEAN", stdout
);
3206 fputs (" HWOR ", stdout
);
3207 if (option
->info
& OHWA0_R4KEOP_CHECKED
)
3208 fputs (" R4KEOP_CHECKED", stdout
);
3209 if (option
->info
& OHWA0_R4KEOP_CLEAN
)
3210 fputs (" R4KEOP_CLEAN", stdout
);
3213 printf (" GP_GROUP %#06x self-contained %#06x",
3214 option
->info
& OGP_GROUP
,
3215 (option
->info
& OGP_SELF
) >> 16);
3218 printf (" IDENT %#06x self-contained %#06x",
3219 option
->info
& OGP_GROUP
,
3220 (option
->info
& OGP_SELF
) >> 16);
3223 /* This shouldn't happen. */
3224 printf (" %3d ??? %d %x",
3225 option
->kind
, option
->section
, option
->info
);
3229 len
= sizeof (*eopt
);
3230 while (len
< option
->size
)
3231 if (((char *) option
)[len
] >= ' '
3232 && ((char *) option
)[len
] < 0x7f)
3233 printf ("%c", ((char *) option
)[len
++]);
3235 printf ("\\%03o", ((char *) option
)[len
++]);
3237 fputs ("\n", stdout
);
3248 process_arch_specific (file
)
3251 switch (elf_header
.e_machine
)
3254 case EM_MIPS_RS4_BE
:
3255 return process_mips_specific (file
);
3264 get_file_header (file
)
3267 Elf32_External_Ehdr ehdr
;
3269 if (fread (& ehdr
, sizeof (ehdr
), 1, file
) != 1)
3272 memcpy (elf_header
.e_ident
, ehdr
.e_ident
, EI_NIDENT
);
3274 if (elf_header
.e_ident
[EI_DATA
] == ELFDATA2LSB
)
3275 byte_get
= byte_get_little_endian
;
3277 byte_get
= byte_get_big_endian
;
3279 elf_header
.e_entry
= BYTE_GET (ehdr
.e_entry
);
3280 elf_header
.e_phoff
= BYTE_GET (ehdr
.e_phoff
);
3281 elf_header
.e_shoff
= BYTE_GET (ehdr
.e_shoff
);
3282 elf_header
.e_version
= BYTE_GET (ehdr
.e_version
);
3283 elf_header
.e_flags
= BYTE_GET (ehdr
.e_flags
);
3284 elf_header
.e_type
= BYTE_GET (ehdr
.e_type
);
3285 elf_header
.e_machine
= BYTE_GET (ehdr
.e_machine
);
3286 elf_header
.e_ehsize
= BYTE_GET (ehdr
.e_ehsize
);
3287 elf_header
.e_phentsize
= BYTE_GET (ehdr
.e_phentsize
);
3288 elf_header
.e_phnum
= BYTE_GET (ehdr
.e_phnum
);
3289 elf_header
.e_shentsize
= BYTE_GET (ehdr
.e_shentsize
);
3290 elf_header
.e_shnum
= BYTE_GET (ehdr
.e_shnum
);
3291 elf_header
.e_shstrndx
= BYTE_GET (ehdr
.e_shstrndx
);
3297 process_file (file_name
)
3301 struct stat statbuf
;
3304 if (stat (file_name
, & statbuf
) < 0)
3306 error (_("Cannot stat input file %s.\n"), file_name
);
3310 file
= fopen (file_name
, "rb");
3313 error (_("Input file %s not found.\n"), file_name
);
3317 if (! get_file_header (file
))
3319 error (_("%s: Failed to read file header\n"), file_name
);
3324 /* Initialise per file variables. */
3325 for (i
= NUM_ELEM (version_info
); i
--;)
3326 version_info
[i
] = 0;
3328 for (i
= NUM_ELEM (dynamic_info
); i
--;)
3329 dynamic_info
[i
] = 0;
3332 /* Process the file. */
3334 printf (_("\nFile: %s\n"), file_name
);
3336 if (! process_file_header ())
3342 process_section_headers (file
);
3344 process_program_headers (file
);
3346 process_dynamic_segment (file
);
3348 process_relocs (file
);
3350 process_symbol_table (file
);
3352 process_version_sections (file
);
3354 process_section_contents (file
);
3356 process_arch_specific (file
);
3360 if (section_headers
)
3362 free (section_headers
);
3363 section_headers
= NULL
;
3368 free (string_table
);
3369 string_table
= NULL
;
3372 if (dynamic_strings
)
3374 free (dynamic_strings
);
3375 dynamic_strings
= NULL
;
3378 if (dynamic_symbols
)
3380 free (dynamic_symbols
);
3381 dynamic_symbols
= NULL
;
3385 #ifdef SUPPORT_DISASSEMBLY
3386 /* Needed by the i386 disassembler. For extra credit, someone could
3387 fix this so that we insert symbolic addresses here, esp for GOT/PLT
3391 print_address (unsigned int addr
, FILE * outfile
)
3393 fprintf (outfile
,"0x%8.8x", addr
);
3396 /* Needed by the i386 disassembler. */
3398 db_task_printsym (unsigned int addr
)
3400 print_address (addr
, stderr
);
3409 parse_args (argc
, argv
);
3411 if (optind
< (argc
- 1))
3414 while (optind
< argc
)
3415 process_file (argv
[optind
++]);