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"
54 #include "elf/mn10200.h"
55 #include "elf/mn10300.h"
62 #ifdef ANSI_PROTOTYPES
68 char * program_name
= "readelf";
69 unsigned int dynamic_addr
;
70 unsigned int dynamic_size
;
71 unsigned int rela_addr
;
72 unsigned int rela_size
;
73 char * dynamic_strings
;
75 Elf_Internal_Sym
* dynamic_symbols
;
76 char program_interpreter
[64];
77 int dynamic_info
[DT_JMPREL
+ 1];
80 Elf_Internal_Ehdr elf_header
;
81 Elf_Internal_Shdr
* section_headers
;
82 Elf_Internal_Dyn
* dynamic_segment
;
94 static unsigned long int (* byte_get
) PARAMS ((unsigned char *, int));
96 #define NUM_DUMP_SECTS 100
97 char dump_sects
[NUM_DUMP_SECTS
];
100 #define DISASS_DUMP 2
102 /* Forward declarations for dumb compilers. */
103 static const char * get_mips_dynamic_type
PARAMS ((unsigned long type
));
104 static const char * get_dynamic_type
PARAMS ((unsigned long type
));
105 static int dump_relocations
106 PARAMS ((FILE *, unsigned long, unsigned long, Elf_Internal_Sym
*, char *));
107 static char * get_file_type
PARAMS ((unsigned e_type
));
108 static char * get_machine_name
PARAMS ((unsigned e_machine
));
109 static char * get_machine_data
PARAMS ((unsigned e_data
));
110 static char * get_machine_flags
PARAMS ((unsigned, unsigned e_machine
));
111 static const char * get_mips_segment_type
PARAMS ((unsigned long type
));
112 static const char * get_segment_type
PARAMS ((unsigned long p_type
));
113 static const char * get_mips_section_type_name
PARAMS ((unsigned int sh_type
));
114 static const char * get_section_type_name
PARAMS ((unsigned int sh_type
));
115 static char * get_symbol_binding
PARAMS ((unsigned int binding
));
116 static char * get_symbol_type
PARAMS ((unsigned int type
));
117 static void usage
PARAMS ((void));
118 static void parse_args
PARAMS ((int argc
, char ** argv
));
119 static int process_file_header
PARAMS ((void));
120 static int process_program_headers
PARAMS ((FILE *));
121 static int process_section_headers
PARAMS ((FILE *));
122 static void dynamic_segment_mips_val
PARAMS ((Elf_Internal_Dyn
*entry
));
123 static int process_dynamic_segment
PARAMS ((FILE *));
124 static int process_symbol_table
PARAMS ((FILE *));
125 static int process_section_contents
PARAMS ((FILE *));
126 static void process_file
PARAMS ((char * file_name
));
127 static int process_relocs
PARAMS ((FILE *));
128 static int process_version_sections
PARAMS ((FILE *));
129 static char * get_ver_flags
PARAMS ((unsigned int flags
));
130 static char * get_symbol_index_type
PARAMS ((unsigned int type
));
131 static int get_section_headers
PARAMS ((FILE * file
));
132 static int get_file_header
PARAMS ((FILE * file
));
133 static Elf_Internal_Sym
* get_elf_symbols
134 PARAMS ((FILE * file
, unsigned long offset
, unsigned long number
));
135 static int * get_dynamic_data
PARAMS ((FILE * file
, unsigned int number
));
137 typedef int Elf32_Word
;
139 #define SECTION_NAME(X) (string_table + (X)->sh_name)
141 #define DT_VERSIONTAGIDX(tag) (DT_VERNEEDNUM - (tag)) /* Reverse order! */
143 #define BYTE_GET(field) byte_get (field, sizeof (field))
145 #define NUM_ELEM(array) (sizeof (array) / sizeof ((array)[0]))
147 #define GET_DATA_ALLOC(offset, size, var, type, reason) \
148 if (fseek (file, offset, SEEK_SET)) \
150 error (_("Unable to seek to start of %s at %x\n"), reason, offset); \
154 var = (type) malloc (size); \
158 error (_("Out of memory allocating %d bytes for %s\n"), size, reason); \
162 if (fread (var, size, 1, file) != 1) \
164 error (_("Unable to read in %d bytes of %s\n"), size, reason); \
171 #define GET_DATA(offset, var, reason) \
172 if (fseek (file, offset, SEEK_SET)) \
174 error (_("Unable to seek to %x for %s\n"), offset, reason); \
177 else if (fread (& var, sizeof (var), 1, file) != 1) \
179 error (_("Unable to read data at %x for %s\n"), offset, reason); \
183 #ifdef ANSI_PROTOTYPES
185 error (const char * message
, ...)
189 fprintf (stderr
, _("%s: Error: "), program_name
);
190 va_start (args
, message
);
191 vfprintf (stderr
, message
, args
);
197 warn (const char * message
, ...)
201 fprintf (stderr
, _("%s: Warning: "), program_name
);
202 va_start (args
, message
);
203 vfprintf (stderr
, message
, args
);
215 fprintf (stderr
, _("%s: Error: "), program_name
);
217 message
= va_arg (args
, char *);
218 vfprintf (stderr
, message
, args
);
230 fprintf (stderr
, _("%s: Warning: "), program_name
);
232 message
= va_arg (args
, char *);
233 vfprintf (stderr
, message
, args
);
239 static unsigned long int
240 byte_get_little_endian (field
, size
)
241 unsigned char * field
;
250 return ((unsigned int) (field
[0]))
251 | (((unsigned int) (field
[1])) << 8);
254 return ((unsigned long) (field
[0]))
255 | (((unsigned long) (field
[1])) << 8)
256 | (((unsigned long) (field
[2])) << 16)
257 | (((unsigned long) (field
[3])) << 24);
260 error (_("Unhandled data length: %d\n"), size
);
265 static unsigned long int
266 byte_get_big_endian (field
, size
)
267 unsigned char * field
;
276 return ((unsigned int) (field
[1])) | (((int) (field
[0])) << 8);
279 return ((unsigned long) (field
[3]))
280 | (((unsigned long) (field
[2])) << 8)
281 | (((unsigned long) (field
[1])) << 16)
282 | (((unsigned long) (field
[0])) << 24);
285 error (_("Unhandled data length: %d\n"), size
);
291 /* Display the contents of the relocation data
292 found at the specified offset. */
294 dump_relocations (file
, rel_offset
, rel_size
, symtab
, strtab
)
296 unsigned long rel_offset
;
297 unsigned long rel_size
;
298 Elf_Internal_Sym
* symtab
;
303 Elf_Internal_Rel
* rels
;
304 Elf_Internal_Rela
* relas
;
307 /* Compute number of relocations and read them in. */
308 switch (elf_header
.e_machine
)
317 Elf32_External_Rel
* erels
;
319 GET_DATA_ALLOC (rel_offset
, rel_size
, erels
,
320 Elf32_External_Rel
*, "relocs");
322 rel_size
= rel_size
/ sizeof (Elf32_External_Rel
);
324 rels
= (Elf_Internal_Rel
*) malloc (rel_size
*
325 sizeof (Elf_Internal_Rel
));
327 for (i
= 0; i
< rel_size
; i
++)
329 rels
[i
].r_offset
= BYTE_GET (erels
[i
].r_offset
);
330 rels
[i
].r_info
= BYTE_GET (erels
[i
].r_info
);
336 relas
= (Elf_Internal_Rela
*) rels
;
346 case EM_CYGNUS_MN10200
:
347 case EM_CYGNUS_MN10300
:
351 Elf32_External_Rela
* erelas
;
353 GET_DATA_ALLOC (rel_offset
, rel_size
, erelas
,
354 Elf32_External_Rela
*, "relocs");
356 rel_size
= rel_size
/ sizeof (Elf32_External_Rela
);
358 relas
= (Elf_Internal_Rela
*) malloc (rel_size
*
359 sizeof (Elf_Internal_Rela
));
361 for (i
= 0; i
< rel_size
; i
++)
363 relas
[i
].r_offset
= BYTE_GET (erelas
[i
].r_offset
);
364 relas
[i
].r_info
= BYTE_GET (erelas
[i
].r_info
);
365 relas
[i
].r_addend
= BYTE_GET (erelas
[i
].r_addend
);
371 rels
= (Elf_Internal_Rel
*) relas
;
376 warn (_("Don't know about relocations on this machine architecture\n"));
382 (_(" Offset Value Type Symbol's Value Symbol's Name Addend\n"));
385 (_(" Offset Value Type Symbol's Value Symbol's Name\n"));
387 for (i
= 0; i
< rel_size
; i
++)
390 unsigned long offset
;
396 offset
= relas
[i
].r_offset
;
397 info
= relas
[i
].r_info
;
401 offset
= rels
[i
].r_offset
;
402 info
= rels
[i
].r_info
;
405 printf (" %8.8lx %5.5lx ", offset
, info
);
407 switch (elf_header
.e_machine
)
414 rtype
= elf_m32r_reloc_type (ELF32_R_TYPE (info
));
419 rtype
= elf_i386_reloc_type (ELF32_R_TYPE (info
));
423 rtype
= elf_m68k_reloc_type (ELF32_R_TYPE (info
));
427 rtype
= elf_sparc_reloc_type (ELF32_R_TYPE (info
));
431 rtype
= v850_reloc_type (ELF32_R_TYPE (info
));
435 rtype
= elf_d10v_reloc_type (ELF32_R_TYPE (info
));
439 rtype
= elf_d30v_reloc_type (ELF32_R_TYPE (info
));
443 rtype
= elf_sh_reloc_type (ELF32_R_TYPE (info
));
446 case EM_CYGNUS_MN10300
:
447 rtype
= elf_mn10300_reloc_type (ELF32_R_TYPE (info
));
450 case EM_CYGNUS_MN10200
:
451 rtype
= elf_mn10200_reloc_type (ELF32_R_TYPE (info
));
455 rtype
= elf_ppc_reloc_type (ELF32_R_TYPE (info
));
460 rtype
= elf_mips_reloc_type (ELF32_R_TYPE (info
));
464 rtype
= elf_alpha_reloc_type (ELF32_R_TYPE (info
));
468 rtype
= elf_arm_reloc_type (ELF32_R_TYPE (info
));
472 rtype
= elf_arc_reloc_type (ELF32_R_TYPE (info
));
476 rtype
= elf32_hppa_reloc_type (ELF32_R_TYPE (info
));
481 printf (_("unrecognised: %-7x"), ELF32_R_TYPE (info
));
483 printf ("%-21.21s", rtype
);
485 symtab_index
= ELF32_R_SYM (info
);
487 if (symtab_index
&& symtab
!= NULL
)
489 Elf_Internal_Sym
* psym
;
491 psym
= symtab
+ symtab_index
;
493 printf (" %08lx ", (unsigned long) psym
->st_value
);
495 if (psym
->st_name
== 0)
497 SECTION_NAME (section_headers
+ psym
->st_shndx
));
498 else if (strtab
== NULL
)
499 printf (_("<string table index %3d>"), psym
->st_name
);
501 printf ("%-25.25s", strtab
+ psym
->st_name
);
504 printf (" + %lx", (unsigned long) relas
[i
].r_addend
);
516 get_mips_dynamic_type (type
)
521 case DT_MIPS_RLD_VERSION
: return "MIPS_RLD_VERSION";
522 case DT_MIPS_TIME_STAMP
: return "MIPS_TIME_STAMP";
523 case DT_MIPS_ICHECKSUM
: return "MIPS_ICHECKSUM";
524 case DT_MIPS_IVERSION
: return "MIPS_IVERSION";
525 case DT_MIPS_FLAGS
: return "MIPS_FLAGS";
526 case DT_MIPS_BASE_ADDRESS
: return "MIPS_BASE_ADDRESS";
527 case DT_MIPS_MSYM
: return "MIPS_MSYM";
528 case DT_MIPS_CONFLICT
: return "MIPS_CONFLICT";
529 case DT_MIPS_LIBLIST
: return "MIPS_LIBLIST";
530 case DT_MIPS_LOCAL_GOTNO
: return "MIPS_LOCAL_GOTNO";
531 case DT_MIPS_CONFLICTNO
: return "MIPS_CONFLICTNO";
532 case DT_MIPS_LIBLISTNO
: return "MIPS_LIBLISTNO";
533 case DT_MIPS_SYMTABNO
: return "MIPS_SYMTABNO";
534 case DT_MIPS_UNREFEXTNO
: return "MIPS_UNREFEXTNO";
535 case DT_MIPS_GOTSYM
: return "MIPS_GOTSYM";
536 case DT_MIPS_HIPAGENO
: return "MIPS_HIPAGENO";
537 case DT_MIPS_RLD_MAP
: return "MIPS_RLD_MAP";
538 case DT_MIPS_DELTA_CLASS
: return "MIPS_DELTA_CLASS";
539 case DT_MIPS_DELTA_CLASS_NO
: return "MIPS_DELTA_CLASS_NO";
540 case DT_MIPS_DELTA_INSTANCE
: return "MIPS_DELTA_INSTANCE";
541 case DT_MIPS_DELTA_INSTANCE_NO
: return "MIPS_DELTA_INSTANCE_NO";
542 case DT_MIPS_DELTA_RELOC
: return "MIPS_DELTA_RELOC";
543 case DT_MIPS_DELTA_RELOC_NO
: return "MIPS_DELTA_RELOC_NO";
544 case DT_MIPS_DELTA_SYM
: return "MIPS_DELTA_SYM";
545 case DT_MIPS_DELTA_SYM_NO
: return "MIPS_DELTA_SYM_NO";
546 case DT_MIPS_DELTA_CLASSSYM
: return "MIPS_DELTA_CLASSSYM";
547 case DT_MIPS_DELTA_CLASSSYM_NO
: return "MIPS_DELTA_CLASSSYM_NO";
548 case DT_MIPS_CXX_FLAGS
: return "MIPS_CXX_FLAGS";
549 case DT_MIPS_PIXIE_INIT
: return "MIPS_PIXIE_INIT";
550 case DT_MIPS_SYMBOL_LIB
: return "MIPS_SYMBOL_LIB";
551 case DT_MIPS_LOCALPAGE_GOTIDX
: return "MIPS_LOCALPAGE_GOTIDX";
552 case DT_MIPS_LOCAL_GOTIDX
: return "MIPS_LOCAL_GOTIDX";
553 case DT_MIPS_HIDDEN_GOTIDX
: return "MIPS_HIDDEN_GOTIDX";
554 case DT_MIPS_PROTECTED_GOTIDX
: return "MIPS_PROTECTED_GOTIDX";
555 case DT_MIPS_OPTIONS
: return "MIPS_OPTIONS";
556 case DT_MIPS_INTERFACE
: return "MIPS_INTERFACE";
557 case DT_MIPS_DYNSTR_ALIGN
: return "MIPS_DYNSTR_ALIGN";
558 case DT_MIPS_INTERFACE_SIZE
: return "MIPS_INTERFACE_SIZE";
559 case DT_MIPS_RLD_TEXT_RESOLVE_ADDR
: return "MIPS_RLD_TEXT_RESOLVE_ADDR";
560 case DT_MIPS_PERF_SUFFIX
: return "MIPS_PERF_SUFFIX";
561 case DT_MIPS_COMPACT_SIZE
: return "MIPS_COMPACT_SIZE";
562 case DT_MIPS_GP_VALUE
: return "MIPS_GP_VALUE";
563 case DT_MIPS_AUX_DYNAMIC
: return "MIPS_AUX_DYNAMIC";
570 get_dynamic_type (type
)
573 static char buff
[32];
577 case DT_NULL
: return "NULL";
578 case DT_NEEDED
: return "NEEDED";
579 case DT_PLTRELSZ
: return "PLTRELSZ";
580 case DT_PLTGOT
: return "PLTGOT";
581 case DT_HASH
: return "HASH";
582 case DT_STRTAB
: return "STRTAB";
583 case DT_SYMTAB
: return "SYMTAB";
584 case DT_RELA
: return "RELA";
585 case DT_RELASZ
: return "RELASZ";
586 case DT_RELAENT
: return "RELAENT";
587 case DT_STRSZ
: return "STRSZ";
588 case DT_SYMENT
: return "SYMENT";
589 case DT_INIT
: return "INIT";
590 case DT_FINI
: return "FINI";
591 case DT_SONAME
: return "SONAME";
592 case DT_RPATH
: return "RPATH";
593 case DT_SYMBOLIC
: return "SYMBOLIC";
594 case DT_REL
: return "REL";
595 case DT_RELSZ
: return "RELSZ";
596 case DT_RELENT
: return "RELENT";
597 case DT_PLTREL
: return "PLTREL";
598 case DT_DEBUG
: return "DEBUG";
599 case DT_TEXTREL
: return "TEXTREL";
600 case DT_JMPREL
: return "JMPREL";
601 case DT_VERDEF
: return "VERDEF";
602 case DT_VERDEFNUM
: return "VERDEFNUM";
603 case DT_VERNEED
: return "VERNEED";
604 case DT_VERNEEDNUM
: return "VERNEEDNUM";
605 case DT_VERSYM
: return "VERSYN";
606 case DT_AUXILIARY
: return "AUXILARY";
607 case DT_FILTER
: return "FILTER";
608 case DT_POSFLAG_1
: return "POSFLAG_1";
609 case DT_SYMINSZ
: return "SYMINSZ";
610 case DT_SYMINENT
: return "SYMINENT";
611 case DT_SYMINFO
: return "SYMINFO";
612 case DT_RELACOUNT
: return "RELACOUNT";
613 case DT_RELCOUNT
: return "RELCOUNT";
614 case DT_FLAGS_1
: return "FLAGS_1";
615 case DT_USED
: return "USED";
618 if ((type
>= DT_LOPROC
) && (type
<= DT_HIPROC
))
620 const char *result
= NULL
;
621 switch (elf_header
.e_machine
)
625 result
= get_mips_dynamic_type (type
);
630 sprintf (buff
, _("Processor Specific"), type
);
636 sprintf (buff
, _("<unknown>: %x"), type
);
642 get_file_type (e_type
)
645 static char buff
[32];
649 case ET_NONE
: return _("NONE (None)");
650 case ET_REL
: return _("REL (Relocatable file)");
651 case ET_EXEC
: return _("EXEC (Executable file)");
652 case ET_DYN
: return _("DYN (Shared object file)");
653 case ET_CORE
: return _("CORE (Core file)");
656 if ((e_type
>= ET_LOPROC
) && (e_type
<= ET_HIPROC
))
657 sprintf (buff
, _("Processor Specific: (%x)"), e_type
);
659 sprintf (buff
, _("<unknown>: %x"), e_type
);
665 get_machine_name (e_machine
)
668 static char buff
[32];
672 case EM_NONE
: return _("None");
673 case EM_M32
: return "WE32100";
674 case EM_SPARC
: return "Sparc";
675 case EM_386
: return "Intel 80386";
676 case EM_68K
: return "MC68000";
677 case EM_88K
: return "MC88000";
678 case EM_486
: return "Intel 80486";
679 case EM_860
: return "Intel 80860";
680 case EM_MIPS
: return "MIPS R3000 big-endian";
681 case EM_S370
: return "Amdahl";
682 case EM_MIPS_RS4_BE
: return "MIPS R4000 big-endian";
683 case EM_OLD_SPARCV9
: return "Sparc v9 (old)";
684 case EM_PARISC
: return "HPPA";
685 case EM_PPC_OLD
: return "Power PC (old)";
686 case EM_SPARC32PLUS
: return "Sparc v8+" ;
687 case EM_960
: return "Intel 90860";
688 case EM_PPC
: return "PowerPC";
689 case EM_V800
: return "NEC V800";
690 case EM_FR20
: return "Fujitsu FR20";
691 case EM_RH32
: return "TRW RH32";
692 case EM_MMA
: return "Fujitsu MMA";
693 case EM_ARM
: return "ARM";
694 case EM_OLD_ALPHA
: return "Digital Alpha (old)";
695 case EM_SH
: return "Hitachi SH";
696 case EM_SPARCV9
: return "Sparc v9";
697 case EM_ALPHA
: return "Alpha";
698 case EM_CYGNUS_D10V
: return "d10v";
699 case EM_CYGNUS_D30V
: return "d30v";
700 case EM_CYGNUS_ARC
: return "Arc";
701 case EM_CYGNUS_M32R
: return "M32r";
702 case EM_CYGNUS_V850
: return "v850";
703 case EM_CYGNUS_MN10300
: return "mn10300";
704 case EM_CYGNUS_MN10200
: return "mn10200";
707 sprintf (buff
, _("<unknown>: %x"), e_machine
);
713 get_machine_flags (e_flags
, e_machine
)
717 static char buf
[1024];
728 if (e_flags
& EF_PPC_EMB
)
729 strcat (buf
, ", emb");
731 if (e_flags
& EF_PPC_RELOCATABLE
)
732 strcat (buf
, ", relocatable");
734 if (e_flags
& EF_PPC_RELOCATABLE_LIB
)
735 strcat (buf
, ", relocatable-lib");
739 if ((e_flags
& EF_M32R_ARCH
) == E_M32R_ARCH
)
740 strcat (buf
, ", m32r");
742 /* start-sanitize-m32rx */
744 if ((e_flags
& EF_M32R_ARCH
) == E_M32RX_ARCH
)
745 strcat (buf
, ", m32rx");
747 /* end-sanitize-m32rx */
752 if (e_flags
& EF_MIPS_NOREORDER
)
753 strcat (buf
, ", noreorder");
755 if (e_flags
& EF_MIPS_PIC
)
756 strcat (buf
, ", pic");
758 if (e_flags
& EF_MIPS_CPIC
)
759 strcat (buf
, ", cpic");
761 if (e_flags
& EF_MIPS_ABI2
)
762 strcat (buf
, ", abi2");
764 if ((e_flags
& EF_MIPS_ARCH
) == E_MIPS_ARCH_1
)
765 strcat (buf
, ", mips1");
767 if ((e_flags
& EF_MIPS_ARCH
) == E_MIPS_ARCH_2
)
768 strcat (buf
, ", mips2");
770 if ((e_flags
& EF_MIPS_ARCH
) == E_MIPS_ARCH_3
)
771 strcat (buf
, ", mips3");
773 if ((e_flags
& EF_MIPS_ARCH
) == E_MIPS_ARCH_4
)
774 strcat (buf
, ", mips4");
783 get_machine_data (e_data
)
786 static char buff
[32];
790 case ELFDATA2LSB
: return _("ELFDATA2LSB (little endian)");
791 case ELFDATA2MSB
: return _("ELFDATA2MSB (big endian)");
793 sprintf (buff
, _("<unknown>: %x"), e_data
);
799 get_mips_segment_type (type
)
804 case PT_MIPS_REGINFO
:
808 case PT_MIPS_OPTIONS
:
818 get_segment_type (p_type
)
819 unsigned long p_type
;
821 static char buff
[32];
825 case PT_NULL
: return "NULL";
826 case PT_LOAD
: return "LOAD";
827 case PT_DYNAMIC
: return "DYNAMIC";
828 case PT_INTERP
: return "INTERP";
829 case PT_NOTE
: return "NOTE";
830 case PT_SHLIB
: return "SHLIB";
831 case PT_PHDR
: return "PHDR";
834 if ((p_type
>= PT_LOPROC
) && (p_type
<= PT_HIPROC
))
837 switch (elf_header
.e_machine
)
841 result
= get_mips_segment_type (p_type
);
849 sprintf (buff
, "LOPROC+%d", p_type
- PT_LOPROC
);
856 sprintf (buff
, _("<unknown>: %x"), p_type
);
863 get_mips_section_type_name (sh_type
)
864 unsigned int sh_type
;
868 case SHT_MIPS_LIBLIST
:
869 return "MIPS_LIBLIST";
872 case SHT_MIPS_CONFLICT
:
873 return "MIPS_CONFLICT";
880 case SHT_MIPS_REGINFO
:
881 return "MIPS_REGINFO";
882 case SHT_MIPS_PACKAGE
:
883 return "MIPS_PACKAGE";
884 case SHT_MIPS_PACKSYM
:
885 return "MIPS_PACKSYM";
890 case SHT_MIPS_CONTENT
:
891 return "MIPS_CONTENT";
892 case SHT_MIPS_OPTIONS
:
893 return "MIPS_OPTIONS";
898 case SHT_MIPS_EXTSYM
:
899 return "MIPS_EXTSYM";
904 case SHT_MIPS_LOCSYM
:
905 return "MIPS_LOCSYM";
906 case SHT_MIPS_AUXSYM
:
907 return "MIPS_AUXSYM";
908 case SHT_MIPS_OPTSYM
:
909 return "MIPS_OPTSYM";
910 case SHT_MIPS_LOCSTR
:
911 return "MIPS_LOCSTR";
914 case SHT_MIPS_RFDESC
:
915 return "MIPS_RFDESC";
916 case SHT_MIPS_DELTASYM
:
917 return "MIPS_DELTASYM";
918 case SHT_MIPS_DELTAINST
:
919 return "MIPS_DELTAINST";
920 case SHT_MIPS_DELTACLASS
:
921 return "MIPS_DELTACLASS";
924 case SHT_MIPS_DELTADECL
:
925 return "MIPS_DELTADECL";
926 case SHT_MIPS_SYMBOL_LIB
:
927 return "MIPS_SYMBOL_LIB";
928 case SHT_MIPS_EVENTS
:
929 return "MIPS_EVENTS";
930 case SHT_MIPS_TRANSLATE
:
931 return "MIPS_TRANSLATE";
936 case SHT_MIPS_XLATE_DEBUG
:
937 return "MIPS_XLATE_DEBUG";
940 case SHT_MIPS_EH_REGION
:
941 return "MIPS_EH_REGION";
942 case SHT_MIPS_XLATE_OLD
:
943 return "MIPS_XLATE_OLD";
944 case SHT_MIPS_PDR_EXCEPTION
:
945 return "MIPS_PDR_EXCEPTION";
953 get_section_type_name (sh_type
)
954 unsigned int sh_type
;
956 static char buff
[32];
960 case SHT_NULL
: return "NULL";
961 case SHT_PROGBITS
: return "PROGBITS";
962 case SHT_SYMTAB
: return "SYMTAB";
963 case SHT_STRTAB
: return "STRTAB";
964 case SHT_RELA
: return "RELA";
965 case SHT_HASH
: return "HASH";
966 case SHT_DYNAMIC
: return "DYNAMIC";
967 case SHT_NOTE
: return "NOTE";
968 case SHT_NOBITS
: return "NOBITS";
969 case SHT_REL
: return "REL";
970 case SHT_SHLIB
: return "SHLIB";
971 case SHT_DYNSYM
: return "DYNSYM";
972 case SHT_GNU_verdef
: return "VERDEF";
973 case SHT_GNU_verneed
: return "VERNEED";
974 case SHT_GNU_versym
: return "VERSYM";
975 case 0x6ffffff0: return "VERSYM";
976 case 0x6ffffffc: return "VERDEF";
977 case 0x7ffffffd: return "AUXILIARY";
978 case 0x7fffffff: return "FILTER";
981 if ((sh_type
>= SHT_LOPROC
) && (sh_type
<= SHT_HIPROC
))
985 switch (elf_header
.e_machine
)
989 result
= get_mips_section_type_name (sh_type
);
998 sprintf (buff
, _("SHT_LOPROC+%d"), sh_type
- SHT_LOPROC
);
1003 else if ((sh_type
>= SHT_LOUSER
) && (sh_type
<= SHT_HIUSER
))
1004 sprintf (buff
, _("SHT_LOUSER+%d"), sh_type
- SHT_LOUSER
);
1006 sprintf (buff
, _("<unknown>: %x"), sh_type
);
1011 struct option options
[] =
1013 {"all", no_argument
, 0, 'a'},
1014 {"file-header", no_argument
, 0, 'h'},
1015 {"program-headers", no_argument
, 0, 'l'},
1016 {"headers", no_argument
, 0, 'e'},
1017 {"segments", no_argument
, 0, 'l'},
1018 {"sections", no_argument
, 0, 'S'},
1019 {"section-headers", no_argument
, 0, 'S'},
1020 {"symbols", no_argument
, 0, 's'},
1021 {"relocs", no_argument
, 0, 'r'},
1022 {"dynamic", no_argument
, 0, 'd'},
1023 {"version-info", no_argument
, 0, 'V'},
1024 {"use-dynamic", no_argument
, 0, 'D'},
1026 {"hex-dump", required_argument
, 0, 'x'},
1027 #ifdef SUPPORT_DISASSEMBLY
1028 {"instruction-dump", required_argument
, 0, 'i'},
1031 {"version", no_argument
, 0, 'v'},
1032 {"help", no_argument
, 0, 'H'},
1034 {0, no_argument
, 0, 0}
1040 fprintf (stdout
, _("Usage: readelf {options} elf-file(s)\n"));
1041 fprintf (stdout
, _(" Options are:\n"));
1042 fprintf (stdout
, _(" -a or --all Equivalent to: -h -l -S -s -r -d -V\n"));
1043 fprintf (stdout
, _(" -h or --file-header Display the ELF file header\n"));
1044 fprintf (stdout
, _(" -l or --program-headers or --segments\n"));
1045 fprintf (stdout
, _(" Display the program headers\n"));
1046 fprintf (stdout
, _(" -S or --section-headers or --sections\n"));
1047 fprintf (stdout
, _(" Display the sections' header\n"));
1048 fprintf (stdout
, _(" -e or --headers Equivalent to: -h -l -S\n"));
1049 fprintf (stdout
, _(" -s or --symbols Display the symbol table\n"));
1050 fprintf (stdout
, _(" -r or --relocs Display the relocations (if present)\n"));
1051 fprintf (stdout
, _(" -d or --dynamic Display the dynamic segment (if present)\n"));
1052 fprintf (stdout
, _(" -V or --version-info Display the version sections (if present)\n"));
1053 fprintf (stdout
, _(" -D or --use-dynamic Use the dynamic section info when displaying symbols\n"));
1054 fprintf (stdout
, _(" -x <number> or --hex-dump=<number>\n"));
1055 fprintf (stdout
, _(" Dump the contents of section <number>\n"));
1056 #ifdef SUPPORT_DISASSEMBLY
1057 fprintf (stdout
, _(" -i <number> or --instruction-dump=<number>\n"));
1058 fprintf (stdout
, _(" Disassemble the contents of section <number>\n"));
1060 fprintf (stdout
, _(" -v or --version Display the version number of readelf\n"));
1061 fprintf (stdout
, _(" -H or --help Display this information\n"));
1062 fprintf (stdout
, _("Report bugs to bug-gnu-utils@gnu.org\n"));
1068 parse_args (argc
, argv
)
1077 while ((c
= getopt_long
1078 (argc
, argv
, "ersahldSDx:i:vV", options
, NULL
)) != EOF
)
1104 do_using_dynamic
++;
1126 section
= strtoul (optarg
, & cp
, 0);
1127 if (! * cp
&& section
>= 0 && section
< NUM_DUMP_SECTS
)
1129 dump_sects
[section
] |= HEX_DUMP
;
1133 #ifdef SUPPORT_DISASSEMBLY
1136 section
= strtoul (optarg
, & cp
, 0);
1137 if (! * cp
&& section
>= 0 && section
< NUM_DUMP_SECTS
)
1139 dump_sects
[section
] |= DISASS_DUMP
;
1145 print_version (program_name
);
1152 /* xgettext:c-format */
1153 error (_("Invalid option '-%c'\n"), c
);
1160 if (!do_dynamic
&& !do_syms
&& !do_reloc
&& !do_sections
1161 && !do_segments
&& !do_header
&& !do_dump
&& !do_version
)
1165 warn (_("Nothing to do.\n"));
1170 /* Decode the data held in 'elf_header'. */
1172 process_file_header ()
1174 if ( elf_header
.e_ident
[EI_MAG0
] != ELFMAG0
1175 || elf_header
.e_ident
[EI_MAG1
] != ELFMAG1
1176 || elf_header
.e_ident
[EI_MAG2
] != ELFMAG2
1177 || elf_header
.e_ident
[EI_MAG3
] != ELFMAG3
)
1180 (_("Not an ELF file - it has the wrong magic bytes at the start\n"));
1184 if (elf_header
.e_ident
[EI_CLASS
] != ELFCLASS32
)
1186 error (_("Not a 32 bit ELF file\n"));
1194 printf (_("ELF Header:\n"));
1195 printf (_(" Magic: "));
1196 for (i
= 0; i
< EI_NIDENT
; i
++)
1197 printf ("%2.2x ", elf_header
.e_ident
[i
]);
1199 printf (_(" Type: %s\n"),
1200 get_file_type (elf_header
.e_type
));
1201 printf (_(" Machine: %s\n"),
1202 get_machine_name (elf_header
.e_machine
));
1203 printf (_(" Version: 0x%lx\n"),
1204 (unsigned long) elf_header
.e_version
);
1205 printf (_(" Data: %s\n"),
1206 get_machine_data (elf_header
.e_ident
[EI_DATA
]));
1207 printf (_(" Entry point address: 0x%lx\n"),
1208 (unsigned long) elf_header
.e_entry
);
1209 printf (_(" Start of program headers: %ld (bytes into file)\n"),
1210 (long) elf_header
.e_phoff
);
1211 printf (_(" Start of section headers: %ld (bytes into file)\n"),
1212 (long) elf_header
.e_shoff
);
1213 printf (_(" Flags: 0x%lx%s\n"),
1214 (unsigned long) elf_header
.e_flags
,
1215 get_machine_flags (elf_header
.e_flags
, elf_header
.e_machine
));
1216 printf (_(" Size of this header: %ld (bytes)\n"),
1217 (long) elf_header
.e_ehsize
);
1218 printf (_(" Size of program headers: %ld (bytes)\n"),
1219 (long) elf_header
.e_phentsize
);
1220 printf (_(" Number of program headers: %ld\n"),
1221 (long) elf_header
.e_phnum
);
1222 printf (_(" Size of section headers: %ld (bytes)\n"),
1223 (long) elf_header
.e_shentsize
);
1224 printf (_(" Number of section headers: %ld\n"),
1225 (long) elf_header
.e_shnum
);
1226 printf (_(" Section header string table index: %ld\n"),
1227 (long) elf_header
.e_shstrndx
);
1235 process_program_headers (file
)
1238 Elf32_External_Phdr
* phdrs
;
1239 Elf32_Internal_Phdr
* program_headers
;
1240 Elf32_Internal_Phdr
* segment
;
1243 if (elf_header
.e_phnum
== 0)
1246 printf (_("\nThere are no program headers in this file.\n"));
1250 if (do_segments
&& !do_header
)
1252 printf (_("\nElf file is %s\n"), get_file_type (elf_header
.e_type
));
1253 printf (_("Entry point 0x%lx\n"), (unsigned long) elf_header
.e_entry
);
1254 printf (_("There are %d program headers, starting at offset %lx:\n"),
1255 elf_header
.e_phnum
, (unsigned long) elf_header
.e_phoff
);
1258 GET_DATA_ALLOC (elf_header
.e_phoff
,
1259 elf_header
.e_phentsize
* elf_header
.e_phnum
,
1260 phdrs
, Elf32_External_Phdr
*, "program headers");
1262 program_headers
= (Elf32_Internal_Phdr
*) malloc
1263 (elf_header
.e_phnum
* sizeof (Elf32_Internal_Phdr
));
1265 if (program_headers
== NULL
)
1267 error (_("Out of memory\n"));
1271 for (i
= 0, segment
= program_headers
;
1272 i
< elf_header
.e_phnum
;
1275 segment
->p_type
= BYTE_GET (phdrs
[i
].p_type
);
1276 segment
->p_offset
= BYTE_GET (phdrs
[i
].p_offset
);
1277 segment
->p_vaddr
= BYTE_GET (phdrs
[i
].p_vaddr
);
1278 segment
->p_paddr
= BYTE_GET (phdrs
[i
].p_paddr
);
1279 segment
->p_filesz
= BYTE_GET (phdrs
[i
].p_filesz
);
1280 segment
->p_memsz
= BYTE_GET (phdrs
[i
].p_memsz
);
1281 segment
->p_flags
= BYTE_GET (phdrs
[i
].p_flags
);
1282 segment
->p_align
= BYTE_GET (phdrs
[i
].p_align
);
1290 (_("\nProgram Header%s:\n"), elf_header
.e_phnum
> 1 ? "s" : "");
1292 (_(" Type Offset VirtAddr PhysAddr FileSiz MemSiz Flg Align\n"));
1298 for (i
= 0, segment
= program_headers
;
1299 i
< elf_header
.e_phnum
;
1304 printf (" %-11.11s ", get_segment_type (segment
->p_type
));
1305 printf ("0x%5.5lx ", (unsigned long) segment
->p_offset
);
1306 printf ("0x%8.8lx ", (unsigned long) segment
->p_vaddr
);
1307 printf ("0x%8.8lx ", (unsigned long) segment
->p_paddr
);
1308 printf ("0x%5.5lx ", (unsigned long) segment
->p_filesz
);
1309 printf ("0x%5.5lx ", (unsigned long) segment
->p_memsz
);
1311 (segment
->p_flags
& PF_R
? 'R' : ' '),
1312 (segment
->p_flags
& PF_W
? 'W' : ' '),
1313 (segment
->p_flags
& PF_X
? 'E' : ' '));
1314 printf ("%#lx", (unsigned long) segment
->p_align
);
1317 switch (segment
->p_type
)
1321 loadaddr
= (segment
->p_vaddr
& 0xfffff000)
1322 - (segment
->p_offset
& 0xfffff000);
1327 error (_("more than one dynamic segment\n"));
1329 dynamic_addr
= segment
->p_offset
;
1330 dynamic_size
= segment
->p_filesz
;
1334 if (fseek (file
, segment
->p_offset
, SEEK_SET
))
1335 error (_("Unable to find program interpreter name\n"));
1338 program_interpreter
[0] = 0;
1339 fscanf (file
, "%63s", program_interpreter
);
1342 printf (_("\n [Requesting program interpreter: %s]"),
1343 program_interpreter
);
1349 putc ('\n', stdout
);
1358 if (do_segments
&& section_headers
!= NULL
)
1360 printf (_("\n Section to Segment mapping:\n"));
1361 printf (_(" Segment Sections...\n"));
1363 assert (string_table
!= NULL
);
1365 for (i
= 0; i
< elf_header
.e_phnum
; i
++)
1368 Elf32_Internal_Shdr
* section
;
1370 segment
= program_headers
+ i
;
1371 section
= section_headers
;
1373 printf (" %2.2d ", i
);
1375 for (j
= 0; j
< elf_header
.e_shnum
; j
++, section
++)
1377 if (section
->sh_size
> 0
1378 /* Compare allocated sections by VMA, unallocated
1379 sections by file offset. */
1380 && (section
->sh_flags
& SHF_ALLOC
1381 ? (section
->sh_addr
>= segment
->p_vaddr
1382 && section
->sh_addr
+ section
->sh_size
1383 <= segment
->p_vaddr
+ segment
->p_memsz
)
1384 : (section
->sh_offset
>= segment
->p_offset
1385 && (section
->sh_offset
+ section
->sh_size
1386 <= segment
->p_offset
+ segment
->p_filesz
))))
1387 printf ("%s ", SECTION_NAME (section
));
1394 free (program_headers
);
1401 get_section_headers (file
)
1404 Elf32_External_Shdr
* shdrs
;
1405 Elf32_Internal_Shdr
* internal
;
1408 GET_DATA_ALLOC (elf_header
.e_shoff
,
1409 elf_header
.e_shentsize
* elf_header
.e_shnum
,
1410 shdrs
, Elf32_External_Shdr
*, "section headers");
1412 section_headers
= (Elf32_Internal_Shdr
*) malloc
1413 (elf_header
.e_shnum
* sizeof (Elf32_Internal_Shdr
));
1415 if (section_headers
== NULL
)
1417 error (_("Out of memory\n"));
1421 for (i
= 0, internal
= section_headers
;
1422 i
< elf_header
.e_shnum
;
1425 internal
->sh_name
= BYTE_GET (shdrs
[i
].sh_name
);
1426 internal
->sh_type
= BYTE_GET (shdrs
[i
].sh_type
);
1427 internal
->sh_flags
= BYTE_GET (shdrs
[i
].sh_flags
);
1428 internal
->sh_addr
= BYTE_GET (shdrs
[i
].sh_addr
);
1429 internal
->sh_offset
= BYTE_GET (shdrs
[i
].sh_offset
);
1430 internal
->sh_size
= BYTE_GET (shdrs
[i
].sh_size
);
1431 internal
->sh_link
= BYTE_GET (shdrs
[i
].sh_link
);
1432 internal
->sh_info
= BYTE_GET (shdrs
[i
].sh_info
);
1433 internal
->sh_addralign
= BYTE_GET (shdrs
[i
].sh_addralign
);
1434 internal
->sh_entsize
= BYTE_GET (shdrs
[i
].sh_entsize
);
1442 static Elf_Internal_Sym
*
1443 get_elf_symbols (file
, offset
, number
)
1445 unsigned long offset
;
1446 unsigned long number
;
1448 Elf32_External_Sym
* esyms
;
1449 Elf_Internal_Sym
* isyms
;
1450 Elf_Internal_Sym
* psym
;
1453 GET_DATA_ALLOC (offset
, number
* sizeof (Elf32_External_Sym
),
1454 esyms
, Elf32_External_Sym
*, "symbols");
1456 isyms
= (Elf_Internal_Sym
*) malloc (number
* sizeof (Elf_Internal_Sym
));
1460 error (_("Out of memory\n"));
1466 for (j
= 0, psym
= isyms
;
1470 psym
->st_name
= BYTE_GET (esyms
[j
].st_name
);
1471 psym
->st_value
= BYTE_GET (esyms
[j
].st_value
);
1472 psym
->st_size
= BYTE_GET (esyms
[j
].st_size
);
1473 psym
->st_shndx
= BYTE_GET (esyms
[j
].st_shndx
);
1474 psym
->st_info
= BYTE_GET (esyms
[j
].st_info
);
1475 psym
->st_other
= BYTE_GET (esyms
[j
].st_other
);
1484 process_section_headers (file
)
1487 Elf32_Internal_Shdr
* section
;
1490 section_headers
= NULL
;
1492 if (elf_header
.e_shnum
== 0)
1495 printf (_("\nThere are no sections in this file.\n"));
1500 if (do_sections
&& !do_header
)
1501 printf (_("There are %d section headers, starting at offset %x:\n"),
1502 elf_header
.e_shnum
, elf_header
.e_shoff
);
1504 if (! get_section_headers (file
))
1507 /* Read in the string table, so that we have names to display. */
1508 section
= section_headers
+ elf_header
.e_shstrndx
;
1510 if (section
->sh_size
!= 0)
1512 unsigned long string_table_offset
;
1514 string_table_offset
= section
->sh_offset
;
1516 GET_DATA_ALLOC (section
->sh_offset
, section
->sh_size
,
1517 string_table
, char *, "string table");
1520 /* Scan the sections for the dynamic symbol table
1521 and dynamic string table. */
1522 dynamic_symbols
= NULL
;
1523 dynamic_strings
= NULL
;
1524 for (i
= 0, section
= section_headers
;
1525 i
< elf_header
.e_shnum
;
1528 if (section
->sh_type
== SHT_DYNSYM
)
1530 if (dynamic_symbols
!= NULL
)
1532 error (_("File contains multiple dynamic symbol tables\n"));
1536 dynamic_symbols
= get_elf_symbols
1537 (file
, section
->sh_offset
, section
->sh_size
/ section
->sh_entsize
);
1539 else if (section
->sh_type
== SHT_STRTAB
1540 && strcmp (SECTION_NAME (section
), ".dynstr") == 0)
1542 if (dynamic_strings
!= NULL
)
1544 error (_("File contains multiple dynamic string tables\n"));
1548 GET_DATA_ALLOC (section
->sh_offset
, section
->sh_size
,
1549 dynamic_strings
, char *, "dynamic strings");
1556 printf (_("\nSection Header%s:\n"), elf_header
.e_shnum
> 1 ? "s" : "");
1558 (_(" [Nr] Name Type Addr Off Size ES Flg Lk Inf Al\n"));
1560 for (i
= 0, section
= section_headers
;
1561 i
< elf_header
.e_shnum
;
1564 printf (" [%2d] %-17.17s %-15.15s ",
1566 SECTION_NAME (section
),
1567 get_section_type_name (section
->sh_type
));
1569 printf ( "%8.8lx %6.6lx %6.6lx %2.2lx",
1570 (unsigned long) section
->sh_addr
,
1571 (unsigned long) section
->sh_offset
,
1572 (unsigned long) section
->sh_size
,
1573 (unsigned long) section
->sh_entsize
);
1575 printf (" %c%c%c %2ld %3lx %ld \n",
1576 (section
->sh_flags
& SHF_WRITE
? 'W' : ' '),
1577 (section
->sh_flags
& SHF_ALLOC
? 'A' : ' '),
1578 (section
->sh_flags
& SHF_EXECINSTR
? 'X' : ' '),
1579 (unsigned long) section
->sh_link
,
1580 (unsigned long) section
->sh_info
,
1581 (unsigned long) section
->sh_addralign
);
1587 /* Process the reloc section. */
1589 process_relocs (file
)
1592 unsigned long rel_size
;
1593 unsigned long rel_offset
;
1599 if (do_using_dynamic
)
1604 if (dynamic_info
[DT_REL
])
1606 rel_offset
= dynamic_info
[DT_REL
];
1607 rel_size
= dynamic_info
[DT_RELSZ
];
1609 else if (dynamic_info
[DT_RELA
])
1611 rel_offset
= dynamic_info
[DT_RELA
];
1612 rel_size
= dynamic_info
[DT_RELASZ
];
1614 else if (dynamic_info
[DT_JMPREL
])
1616 rel_offset
= dynamic_info
[DT_JMPREL
];
1617 rel_size
= dynamic_info
[DT_PLTRELSZ
];
1623 (_("\nRelocation section at offset 0x%x contains %d bytes:\n"),
1624 rel_offset
, rel_size
);
1626 dump_relocations (file
, rel_offset
- loadaddr
, rel_size
,
1627 dynamic_symbols
, dynamic_strings
);
1630 printf (_("\nThere are no dynamic relocations in this file.\n"));
1634 Elf32_Internal_Shdr
* section
;
1638 for (i
= 0, section
= section_headers
;
1639 i
< elf_header
.e_shnum
;
1642 if ( section
->sh_type
!= SHT_RELA
1643 && section
->sh_type
!= SHT_REL
)
1646 rel_offset
= section
->sh_offset
;
1647 rel_size
= section
->sh_size
;
1651 Elf32_Internal_Shdr
* strsec
;
1652 Elf32_Internal_Shdr
* symsec
;
1653 Elf_Internal_Sym
* symtab
;
1656 printf (_("\nRelocation section "));
1658 if (string_table
== NULL
)
1659 printf ("%d", section
->sh_name
);
1661 printf ("'%s'", SECTION_NAME (section
));
1663 printf (_(" at offset 0x%x contains %d entries:\n"),
1664 rel_offset
, rel_size
/ section
->sh_entsize
);
1666 symsec
= section_headers
+ section
->sh_link
;
1668 symtab
= get_elf_symbols (file
, symsec
->sh_offset
,
1669 symsec
->sh_size
/ symsec
->sh_entsize
);
1674 strsec
= section_headers
+ symsec
->sh_link
;
1676 GET_DATA_ALLOC (strsec
->sh_offset
, strsec
->sh_size
, strtab
,
1677 char *, "string table");
1679 dump_relocations (file
, rel_offset
, rel_size
, symtab
, strtab
);
1689 printf (_("\nThere are no relocations in this file.\n"));
1697 dynamic_segment_mips_val (entry
)
1698 Elf_Internal_Dyn
*entry
;
1700 switch (entry
->d_tag
)
1702 case DT_MIPS_LOCAL_GOTNO
:
1703 case DT_MIPS_CONFLICTNO
:
1704 case DT_MIPS_LIBLISTNO
:
1705 case DT_MIPS_SYMTABNO
:
1706 case DT_MIPS_UNREFEXTNO
:
1707 case DT_MIPS_HIPAGENO
:
1708 case DT_MIPS_DELTA_CLASS_NO
:
1709 case DT_MIPS_DELTA_INSTANCE_NO
:
1710 case DT_MIPS_DELTA_RELOC_NO
:
1711 case DT_MIPS_DELTA_SYM_NO
:
1712 case DT_MIPS_DELTA_CLASSSYM_NO
:
1714 printf ("%#ld\n", (long) entry
->d_un
.d_ptr
);
1718 printf ("%#lx\n", (long) entry
->d_un
.d_ptr
);
1722 /* Parse the dynamic segment */
1724 process_dynamic_segment (file
)
1727 Elf_Internal_Dyn
* entry
;
1728 Elf32_External_Dyn
* edyn
;
1731 if (dynamic_size
== 0)
1734 printf (_("\nThere is no dynamic segment in this file.\n"));
1739 GET_DATA_ALLOC (dynamic_addr
, dynamic_size
,
1740 edyn
, Elf32_External_Dyn
*, "dynamic segment");
1742 /* SGI's ELF has more than one section in the DYNAMIC segment. Determine
1743 how large .dynamic is now. We can do this even before the byte
1744 swapping since the DT_NULL tag is recognizable. */
1746 while (*(Elf32_Word
*) edyn
[dynamic_size
++].d_tag
!= DT_NULL
)
1749 dynamic_segment
= (Elf_Internal_Dyn
*)
1750 malloc (dynamic_size
* sizeof (Elf_Internal_Dyn
));
1752 if (dynamic_segment
== NULL
)
1754 error (_("Out of memory\n"));
1759 for (i
= 0, entry
= dynamic_segment
;
1763 entry
->d_tag
= BYTE_GET (edyn
[i
].d_tag
);
1764 entry
->d_un
.d_val
= BYTE_GET (edyn
[i
].d_un
.d_val
);
1769 /* Find the appropriate symbol table. */
1770 if (dynamic_symbols
== NULL
)
1772 for (i
= 0, entry
= dynamic_segment
;
1776 unsigned long offset
;
1779 if (entry
->d_tag
!= DT_SYMTAB
)
1782 dynamic_info
[DT_SYMTAB
] = entry
->d_un
.d_val
;
1784 /* Since we do not know how big the symbol table is,
1785 we default to reading in the entire file (!) and
1786 processing that. This is overkill, I know, but it
1789 offset
= entry
->d_un
.d_val
- loadaddr
;
1791 if (fseek (file
, 0, SEEK_END
))
1792 error (_("Unable to seek to end of file!"));
1794 num_syms
= (ftell (file
) - offset
) / sizeof (Elf32_External_Sym
);
1798 error (_("Unable to determine the number of symbols to load\n"));
1802 dynamic_symbols
= get_elf_symbols (file
, offset
, num_syms
);
1806 /* Similarly find a string table. */
1807 if (dynamic_strings
== NULL
)
1809 for (i
= 0, entry
= dynamic_segment
;
1813 unsigned long offset
;
1816 if (entry
->d_tag
!= DT_STRTAB
)
1819 dynamic_info
[DT_STRTAB
] = entry
->d_un
.d_val
;
1821 /* Since we do not know how big the string table is,
1822 we default to reading in the entire file (!) and
1823 processing that. This is overkill, I know, but it
1826 offset
= entry
->d_un
.d_val
- loadaddr
;
1827 if (fseek (file
, 0, SEEK_END
))
1828 error (_("Unable to seek to end of file\n"));
1829 str_tab_len
= ftell (file
) - offset
;
1831 if (str_tab_len
< 1)
1834 (_("Unable to determine the length of the dynamic string table\n"));
1838 GET_DATA_ALLOC (offset
, str_tab_len
, dynamic_strings
, char *,
1839 "dynamic string table");
1845 if (do_dynamic
&& dynamic_addr
)
1846 printf (_("\nDynamic segment at offset 0x%x contains %d entries:\n"),
1847 dynamic_addr
, dynamic_size
);
1849 printf (_(" Tag Type Name/Value\n"));
1851 for (i
= 0, entry
= dynamic_segment
;
1856 printf (_(" 0x%-8.8lx (%s)%*s"),
1857 (unsigned long) entry
->d_tag
,
1858 get_dynamic_type (entry
->d_tag
),
1859 27 - strlen (get_dynamic_type (entry
->d_tag
)),
1862 switch (entry
->d_tag
)
1868 if (entry
->d_tag
== DT_AUXILIARY
)
1869 printf (_("Auxiliary library"));
1871 printf (_("Filter library"));
1873 if (dynamic_strings
)
1874 printf (": [%s]\n", dynamic_strings
+ entry
->d_un
.d_val
);
1876 printf (": %#lx\n", (long) entry
->d_un
.d_val
);
1883 printf (_("Flags:"));
1884 if (entry
->d_un
.d_val
== 0)
1885 printf (_(" None\n"));
1888 if (entry
->d_un
.d_val
& DF_P1_LAZYLOAD
)
1889 printf (" LAZYLOAD");
1890 if (entry
->d_un
.d_val
& DF_P1_LAZYLOAD
)
1891 printf (" GROUPPERM");
1900 printf (_("Flags:"));
1901 if (entry
->d_un
.d_val
== 0)
1902 printf (_(" None\n"));
1905 if (entry
->d_un
.d_val
& DF_1_NOW
)
1907 if (entry
->d_un
.d_val
& DF_1_GLOBAL
)
1909 if (entry
->d_un
.d_val
& DF_1_GROUP
)
1911 if (entry
->d_un
.d_val
& DF_1_NODELETE
)
1912 printf (" NODELETE");
1913 if (entry
->d_un
.d_val
& DF_1_LOADFLTR
)
1914 printf (" LOADFLTR");
1915 if (entry
->d_un
.d_val
& DF_1_INITFIRST
)
1916 printf (" INITFIRST");
1917 if (entry
->d_un
.d_val
& DF_1_NOOPEN
)
1919 if (entry
->d_un
.d_val
& DF_1_ORIGIN
)
1921 if (entry
->d_un
.d_val
& DF_1_DIRECT
)
1923 if (entry
->d_un
.d_val
& DF_1_TRANS
)
1925 if (entry
->d_un
.d_val
& DF_1_INTERPOSE
)
1926 printf (" INTERPOSE");
1950 dynamic_info
[entry
->d_tag
] = entry
->d_un
.d_val
;
1956 if (dynamic_strings
== NULL
)
1959 name
= dynamic_strings
+ entry
->d_un
.d_val
;
1963 switch (entry
->d_tag
)
1966 printf (_("Shared library: [%s]"), name
);
1968 if (strcmp (name
, program_interpreter
))
1971 printf (_(" program interpreter\n"));
1975 printf (_("Library soname: [%s]\n"), name
);
1979 printf (_("Library rpath: [%s]\n"), name
);
1983 printf ("%#lx\n", (long) entry
->d_un
.d_val
);
1987 printf ("%#lx\n", (long) entry
->d_un
.d_val
);
2001 printf ("%ld\n", entry
->d_un
.d_val
);
2012 if (dynamic_strings
== NULL
)
2015 name
= dynamic_strings
+ entry
->d_un
.d_val
;
2021 switch (entry
->d_tag
)
2024 printf (_("Not needed object: [%s]\n"), name
);
2028 printf ("%#lx\n", (long) entry
->d_un
.d_val
);
2032 printf ("%#lx\n", (long) entry
->d_un
.d_val
);
2037 if ((entry
->d_tag
>= DT_VERSYM
) && (entry
->d_tag
<= DT_VERNEEDNUM
))
2039 version_info
[DT_VERSIONTAGIDX (entry
->d_tag
)] =
2043 printf ("%#lx\n", (long) entry
->d_un
.d_ptr
);
2046 switch (elf_header
.e_machine
)
2049 case EM_MIPS_RS4_BE
:
2050 dynamic_segment_mips_val (entry
);
2054 printf ("%#lx\n", (long) entry
->d_un
.d_ptr
);
2064 get_ver_flags (flags
)
2067 static char buff
[32];
2074 if (flags
& VER_FLG_BASE
)
2075 strcat (buff
, "BASE ");
2077 if (flags
& VER_FLG_WEAK
)
2079 if (flags
& VER_FLG_BASE
)
2080 strcat (buff
, "| ");
2082 strcat (buff
, "WEAK ");
2085 if (flags
& ~(VER_FLG_BASE
| VER_FLG_WEAK
))
2086 strcat (buff
, "| <unknown>");
2091 /* Display the contents of the version sections. */
2093 process_version_sections (file
)
2096 Elf32_Internal_Shdr
* section
;
2103 for (i
= 0, section
= section_headers
;
2104 i
< elf_header
.e_shnum
;
2107 switch (section
->sh_type
)
2109 case SHT_GNU_verdef
:
2111 Elf_External_Verdef
* edefs
;
2118 (_("\nVersion definition section '%s' contains %d entries:\n"),
2119 SECTION_NAME (section
), section
->sh_info
);
2121 printf (_(" Addr: %#08x Offset: %#08x Link: %x (%s)\n"),
2122 section
->sh_addr
, section
->sh_offset
, section
->sh_link
,
2123 SECTION_NAME (section_headers
+ section
->sh_link
));
2125 GET_DATA_ALLOC (section
->sh_offset
, section
->sh_size
,
2126 edefs
, Elf_External_Verdef
*,
2127 "version definition section");
2129 for (idx
= cnt
= 0; cnt
< section
->sh_info
; ++ cnt
)
2132 Elf_External_Verdef
* edef
;
2133 Elf_Internal_Verdef ent
;
2134 Elf_External_Verdaux
* eaux
;
2135 Elf_Internal_Verdaux aux
;
2139 vstart
= ((char *) edefs
) + idx
;
2141 edef
= (Elf_External_Verdef
*) vstart
;
2143 ent
.vd_version
= BYTE_GET (edef
->vd_version
);
2144 ent
.vd_flags
= BYTE_GET (edef
->vd_flags
);
2145 ent
.vd_ndx
= BYTE_GET (edef
->vd_ndx
);
2146 ent
.vd_cnt
= BYTE_GET (edef
->vd_cnt
);
2147 ent
.vd_hash
= BYTE_GET (edef
->vd_hash
);
2148 ent
.vd_aux
= BYTE_GET (edef
->vd_aux
);
2149 ent
.vd_next
= BYTE_GET (edef
->vd_next
);
2151 printf (_(" %#06x: Rev: %d Flags: %s"),
2152 idx
, ent
.vd_version
, get_ver_flags (ent
.vd_flags
));
2154 printf (_(" Index: %ld Cnt: %ld "), ent
.vd_ndx
, ent
.vd_cnt
);
2156 vstart
+= ent
.vd_aux
;
2158 eaux
= (Elf_External_Verdaux
*) vstart
;
2160 aux
.vda_name
= BYTE_GET (eaux
->vda_name
);
2161 aux
.vda_next
= BYTE_GET (eaux
->vda_next
);
2163 if (dynamic_strings
)
2164 printf (_("Name: %s\n"), dynamic_strings
+ aux
.vda_name
);
2166 printf (_("Name index: %ld\n"), aux
.vda_name
);
2168 isum
= idx
+ ent
.vd_aux
;
2170 for (j
= 1; j
< ent
.vd_cnt
; j
++)
2172 isum
+= aux
.vda_next
;
2173 vstart
+= aux
.vda_next
;
2175 eaux
= (Elf_External_Verdaux
*) vstart
;
2177 aux
.vda_name
= BYTE_GET (eaux
->vda_name
);
2178 aux
.vda_next
= BYTE_GET (eaux
->vda_next
);
2180 if (dynamic_strings
)
2181 printf (_(" %#06x: Parent %d: %s\n"),
2182 isum
, j
, dynamic_strings
+ aux
.vda_name
);
2184 printf (_(" %#06x: Parent %d, name index: %ld\n"),
2185 isum
, j
, aux
.vda_name
);
2195 case SHT_GNU_verneed
:
2197 Elf_External_Verneed
* eneed
;
2203 printf (_("\nVersion needs section '%s' contains %d entries:\n"),
2204 SECTION_NAME (section
), section
->sh_info
);
2207 (_(" Addr: %#08x Offset: %#08x Link to section: %d (%s)\n"),
2208 section
->sh_addr
, section
->sh_offset
, section
->sh_link
,
2209 SECTION_NAME (section_headers
+ section
->sh_link
));
2211 GET_DATA_ALLOC (section
->sh_offset
, section
->sh_size
,
2212 eneed
, Elf_External_Verneed
*,
2213 "version need section");
2215 for (idx
= cnt
= 0; cnt
< section
->sh_info
; ++cnt
)
2217 Elf_External_Verneed
* entry
;
2218 Elf_Internal_Verneed ent
;
2223 vstart
= ((char *) eneed
) + idx
;
2225 entry
= (Elf_External_Verneed
*) vstart
;
2227 ent
.vn_version
= BYTE_GET (entry
->vn_version
);
2228 ent
.vn_cnt
= BYTE_GET (entry
->vn_cnt
);
2229 ent
.vn_file
= BYTE_GET (entry
->vn_file
);
2230 ent
.vn_aux
= BYTE_GET (entry
->vn_aux
);
2231 ent
.vn_next
= BYTE_GET (entry
->vn_next
);
2233 printf (_(" %#06x: Version: %d"), idx
, ent
.vn_version
);
2235 if (dynamic_strings
)
2236 printf (_(" File: %s"), dynamic_strings
+ ent
.vn_file
);
2238 printf (_(" File: %lx"), ent
.vn_file
);
2240 printf (_(" Cnt: %d\n"), ent
.vn_cnt
);
2242 vstart
+= ent
.vn_aux
;
2244 for (j
= 0, isum
= idx
+ ent
.vn_aux
; j
< ent
.vn_cnt
; ++j
)
2246 Elf_External_Vernaux
* eaux
;
2247 Elf_Internal_Vernaux aux
;
2249 eaux
= (Elf_External_Vernaux
*) vstart
;
2251 aux
.vna_hash
= BYTE_GET (eaux
->vna_hash
);
2252 aux
.vna_flags
= BYTE_GET (eaux
->vna_flags
);
2253 aux
.vna_other
= BYTE_GET (eaux
->vna_other
);
2254 aux
.vna_name
= BYTE_GET (eaux
->vna_name
);
2255 aux
.vna_next
= BYTE_GET (eaux
->vna_next
);
2257 if (dynamic_strings
)
2258 printf (_(" %#06x: Name: %s"),
2259 isum
, dynamic_strings
+ aux
.vna_name
);
2261 printf (_(" %#06x: Name index: %lx"),
2262 isum
, aux
.vna_name
);
2264 printf (_(" Flags: %s Version: %d\n"),
2265 get_ver_flags (aux
.vna_flags
), aux
.vna_other
);
2267 isum
+= aux
.vna_next
;
2268 vstart
+= aux
.vna_next
;
2278 case SHT_GNU_versym
:
2280 Elf32_Internal_Shdr
* link_section
;
2283 unsigned char * edata
;
2284 unsigned short * data
;
2286 Elf_Internal_Sym
* symbols
;
2287 Elf32_Internal_Shdr
* string_sec
;
2289 link_section
= section_headers
+ section
->sh_link
;
2290 total
= section
->sh_size
/ section
->sh_entsize
;
2294 symbols
= get_elf_symbols
2295 (file
, link_section
->sh_offset
,
2296 link_section
->sh_size
/ link_section
->sh_entsize
);
2298 string_sec
= section_headers
+ link_section
->sh_link
;
2300 GET_DATA_ALLOC (string_sec
->sh_offset
, string_sec
->sh_size
,
2301 strtab
, char *, "version string table");
2303 printf (_("\nVersion symbols section '%s' contains %d entries:\n"),
2304 SECTION_NAME (section
), total
);
2306 printf (_(" Addr: %#08x Offset: %#08x Link: %x (%s)\n"),
2307 section
->sh_addr
, section
->sh_offset
, section
->sh_link
,
2308 SECTION_NAME (link_section
));
2310 GET_DATA_ALLOC (version_info
[DT_VERSIONTAGIDX (DT_VERSYM
)]
2312 total
* sizeof (short), edata
,
2313 char *, "version symbol data");
2315 data
= (unsigned short *) malloc (total
* sizeof (short));
2317 for (cnt
= total
; cnt
--;)
2318 data
[cnt
] = byte_get (edata
+ cnt
* sizeof (short), sizeof (short));
2322 for (cnt
= 0; cnt
< total
; cnt
+= 4)
2326 printf (" %03x:", cnt
);
2328 for (j
= 0; (j
< 4) && (cnt
+ j
) < total
; ++j
)
2329 switch (data
[cnt
+ j
])
2332 fputs (_(" 0 (*local*) "), stdout
);
2336 fputs (_(" 1 (*global*) "), stdout
);
2340 nn
= printf ("%4x%c", data
[cnt
+ j
] & 0x7fff,
2341 data
[cnt
+ j
] & 0x8000 ? 'h' : ' ');
2343 if (symbols
[cnt
+ j
].st_shndx
< SHN_LORESERVE
2344 && section_headers
[symbols
[cnt
+ j
].st_shndx
].sh_type
2347 /* We must test both. */
2348 Elf_Internal_Verneed ivn
;
2349 unsigned long offset
;
2351 offset
= version_info
[DT_VERSIONTAGIDX (DT_VERNEED
)]
2356 Elf_External_Verneed evn
;
2357 Elf_External_Vernaux evna
;
2358 Elf_Internal_Vernaux ivna
;
2359 unsigned long vna_off
;
2361 GET_DATA (offset
, evn
, "version need");
2363 ivn
.vn_aux
= BYTE_GET (evn
.vn_aux
);
2364 ivn
.vn_next
= BYTE_GET (evn
.vn_next
);
2366 vna_off
= offset
+ ivn
.vn_aux
;
2370 GET_DATA (vna_off
, evna
,
2371 "version need aux (1)");
2373 ivna
.vna_next
= BYTE_GET (evna
.vna_next
);
2374 ivna
.vna_other
= BYTE_GET (evna
.vna_other
);
2376 vna_off
+= ivna
.vna_next
;
2378 while (ivna
.vna_other
!= data
[cnt
+ j
]
2379 && ivna
.vna_next
!= 0);
2381 if (ivna
.vna_other
== data
[cnt
+ j
])
2383 ivna
.vna_name
= BYTE_GET (evna
.vna_name
);
2385 nn
+= printf ("(%s%-*s",
2386 strtab
+ ivna
.vna_name
,
2392 else if (ivn
.vn_next
== 0)
2394 if (data
[cnt
+ j
] != 0x8001)
2396 Elf_Internal_Verdef ivd
;
2397 Elf_External_Verdef evd
;
2399 offset
= version_info
2400 [DT_VERSIONTAGIDX (DT_VERDEF
)]
2405 GET_DATA (offset
, evd
,
2406 "version definition");
2408 ivd
.vd_next
= BYTE_GET (evd
.vd_next
);
2409 ivd
.vd_ndx
= BYTE_GET (evd
.vd_ndx
);
2411 offset
+= ivd
.vd_next
;
2414 != (data
[cnt
+ j
] & 0x7fff)
2415 && ivd
.vd_next
!= 0);
2418 == (data
[cnt
+ j
] & 0x7fff))
2420 Elf_External_Verdaux evda
;
2421 Elf_Internal_Verdaux ivda
;
2423 ivd
.vd_aux
= BYTE_GET (evd
.vd_aux
);
2425 GET_DATA (offset
+ ivd
.vd_aux
, evda
,
2426 "version definition aux");
2429 BYTE_GET (evda
.vda_name
);
2433 strtab
+ ivda
.vda_name
,
2444 offset
+= ivn
.vn_next
;
2446 while (ivn
.vn_next
);
2448 else if (symbols
[cnt
+ j
].st_shndx
== SHN_UNDEF
)
2450 Elf_Internal_Verneed ivn
;
2451 unsigned long offset
;
2453 offset
= version_info
[DT_VERSIONTAGIDX (DT_VERNEED
)]
2458 Elf_Internal_Vernaux ivna
;
2459 Elf_External_Verneed evn
;
2460 Elf_External_Vernaux evna
;
2461 unsigned long a_off
;
2463 GET_DATA (offset
, evn
, "version need");
2465 ivn
.vn_aux
= BYTE_GET (evn
.vn_aux
);
2466 ivn
.vn_next
= BYTE_GET (evn
.vn_next
);
2468 a_off
= offset
+ ivn
.vn_aux
;
2472 GET_DATA (a_off
, evna
,
2473 "version need aux (2)");
2475 ivna
.vna_next
= BYTE_GET (evna
.vna_next
);
2476 ivna
.vna_other
= BYTE_GET (evna
.vna_other
);
2478 a_off
+= ivna
.vna_next
;
2480 while (ivna
.vna_other
!= data
[cnt
+ j
]
2481 && ivna
.vna_next
!= 0);
2483 if (ivna
.vna_other
== data
[cnt
+ j
])
2485 ivna
.vna_name
= BYTE_GET (evna
.vna_name
);
2487 nn
+= printf ("(%s%-*s",
2488 strtab
+ ivna
.vna_name
,
2495 offset
+= ivn
.vn_next
;
2497 while (ivn
.vn_next
);
2499 else if (data
[cnt
+ j
] != 0x8001)
2501 Elf_Internal_Verdef ivd
;
2502 Elf_External_Verdef evd
;
2503 unsigned long offset
;
2505 offset
= version_info
2506 [DT_VERSIONTAGIDX (DT_VERDEF
)] - loadaddr
;
2510 GET_DATA (offset
, evd
, "version def");
2512 ivd
.vd_next
= BYTE_GET (evd
.vd_next
);
2513 ivd
.vd_ndx
= BYTE_GET (evd
.vd_ndx
);
2515 offset
+= ivd
.vd_next
;
2517 while (ivd
.vd_ndx
!= (data
[cnt
+ j
] & 0x7fff)
2518 && ivd
.vd_next
!= 0);
2520 if (ivd
.vd_ndx
== (data
[cnt
+ j
] & 0x7fff))
2522 Elf_External_Verdaux evda
;
2523 Elf_Internal_Verdaux ivda
;
2525 ivd
.vd_aux
= BYTE_GET (evd
.vd_aux
);
2527 GET_DATA (offset
- ivd
.vd_next
+ ivd
.vd_aux
,
2528 evda
, "version def aux");
2530 ivda
.vda_name
= BYTE_GET (evda
.vda_name
);
2532 nn
+= printf ("(%s%-*s",
2533 strtab
+ ivda
.vda_name
,
2541 printf ("%*c", 18 - nn
, ' ');
2559 printf (_("\nNo version information found in this file.\n"));
2565 get_symbol_binding (binding
)
2566 unsigned int binding
;
2568 static char buff
[32];
2572 case STB_LOCAL
: return _("LOCAL");
2573 case STB_GLOBAL
: return _("GLOBAL");
2574 case STB_WEAK
: return _("WEAK");
2576 if (binding
>= STB_LOPROC
&& binding
<= STB_HIPROC
)
2577 sprintf (buff
, _("<processor specific>: %d"), binding
);
2579 sprintf (buff
, _("<unknown>: %d"), binding
);
2585 get_symbol_type (type
)
2588 static char buff
[32];
2592 case STT_NOTYPE
: return _("NOTYPE");
2593 case STT_OBJECT
: return _("OBJECT");
2594 case STT_FUNC
: return _("FUNC");
2595 case STT_SECTION
: return _("SECTION");
2596 case STT_FILE
: return _("FILE");
2598 if (type
>= STT_LOPROC
&& type
<= STT_HIPROC
)
2599 sprintf (buff
, _("<processor specific>: %d"), type
);
2601 sprintf (buff
, _("<unknown>: %d"), type
);
2607 get_symbol_index_type (type
)
2612 case SHN_UNDEF
: return "UND";
2613 case SHN_ABS
: return "ABS";
2614 case SHN_COMMON
: return "COM";
2616 if (type
>= SHN_LOPROC
&& type
<= SHN_HIPROC
)
2618 else if (type
>= SHN_LORESERVE
&& type
<= SHN_HIRESERVE
)
2622 static char buff
[32];
2624 sprintf (buff
, "%3d", type
);
2632 get_dynamic_data (file
, number
)
2634 unsigned int number
;
2639 e_data
= (char *) malloc (number
* 4);
2643 error (_("Out of memory\n"));
2647 if (fread (e_data
, 4, number
, file
) != number
)
2649 error (_("Unable to read in dynamic data\n"));
2653 i_data
= (int *) malloc (number
* sizeof (* i_data
));
2657 error (_("Out of memory\n"));
2663 i_data
[number
] = byte_get (e_data
+ number
* 4, 4);
2670 /* Dump the symbol table */
2672 process_symbol_table (file
)
2675 Elf32_Internal_Shdr
* section
;
2680 if (dynamic_info
[DT_HASH
] && do_using_dynamic
&& dynamic_strings
!= NULL
)
2691 if (fseek (file
, dynamic_info
[DT_HASH
] - loadaddr
, SEEK_SET
))
2693 error (_("Unable to seek to start of dynamic information"));
2697 if (fread (& nb
, sizeof (nb
), 1, file
) != 1)
2699 error (_("Failed to read in number of buckets\n"));
2703 if (fread (& nc
, sizeof (nc
), 1, file
) != 1)
2705 error (_("Failed to read in number of chains\n"));
2709 nbuckets
= byte_get (nb
, 4);
2710 nchains
= byte_get (nc
, 4);
2712 buckets
= get_dynamic_data (file
, nbuckets
);
2713 chains
= get_dynamic_data (file
, nchains
);
2715 if (buckets
== NULL
|| chains
== NULL
)
2718 printf (_("\nSymbol table for image:\n"));
2719 printf (_(" Num Buc: Value Size Type Bind Ot Ndx Name\n"));
2721 for (hn
= 0; hn
< nbuckets
; hn
++)
2726 for (si
= buckets
[hn
]; si
; si
= chains
[si
])
2728 Elf_Internal_Sym
* psym
;
2730 psym
= dynamic_symbols
+ si
;
2732 printf (" %3d %3d: %8lx %5ld %6s %6s %2d ",
2734 (unsigned long) psym
->st_value
,
2735 (unsigned long) psym
->st_size
,
2736 get_symbol_type (ELF_ST_TYPE (psym
->st_info
)),
2737 get_symbol_binding (ELF_ST_BIND (psym
->st_info
)),
2740 printf ("%3.3s", get_symbol_index_type (psym
->st_shndx
));
2742 printf (" %s\n", dynamic_strings
+ psym
->st_name
);
2749 else if (!do_using_dynamic
)
2753 for (i
= 0, section
= section_headers
;
2754 i
< elf_header
.e_shnum
;
2759 Elf_Internal_Sym
* symtab
;
2760 Elf_Internal_Sym
* psym
;
2763 if ( section
->sh_type
!= SHT_SYMTAB
2764 && section
->sh_type
!= SHT_DYNSYM
)
2767 printf (_("\nSymbol table '%s' contains %d entries:\n"),
2768 SECTION_NAME (section
),
2769 section
->sh_size
/ section
->sh_entsize
);
2770 fputs (_(" Num: Value Size Type Bind Ot Ndx Name\n"),
2773 symtab
= get_elf_symbols (file
, section
->sh_offset
,
2774 section
->sh_size
/ section
->sh_entsize
);
2778 if (section
->sh_link
== elf_header
.e_shstrndx
)
2779 strtab
= string_table
;
2782 Elf32_Internal_Shdr
* string_sec
;
2784 string_sec
= section_headers
+ section
->sh_link
;
2786 GET_DATA_ALLOC (string_sec
->sh_offset
, string_sec
->sh_size
,
2787 strtab
, char *, "string table");
2790 for (si
= 0, psym
= symtab
;
2791 si
< section
->sh_size
/ section
->sh_entsize
;
2794 printf (" %3d: %8lx %5ld %-7s %-6s %2d ",
2796 (unsigned long) psym
->st_value
,
2797 (unsigned long) psym
->st_size
,
2798 get_symbol_type (ELF_ST_TYPE (psym
->st_info
)),
2799 get_symbol_binding (ELF_ST_BIND (psym
->st_info
)),
2802 if (psym
->st_shndx
== 0)
2803 fputs (" UND", stdout
);
2804 else if ((psym
->st_shndx
& 0xffff) == 0xfff1)
2805 fputs (" ABS", stdout
);
2806 else if ((psym
->st_shndx
& 0xffff) == 0xfff2)
2807 fputs (" COM", stdout
);
2809 printf ("%4x", psym
->st_shndx
);
2811 printf (" %s", strtab
+ psym
->st_name
);
2813 if (section
->sh_type
== SHT_DYNSYM
&&
2814 version_info
[DT_VERSIONTAGIDX (DT_VERSYM
)] != 0)
2816 unsigned char data
[2];
2817 unsigned short vers_data
;
2818 unsigned long offset
;
2822 offset
= version_info
[DT_VERSIONTAGIDX (DT_VERSYM
)]
2825 GET_DATA (offset
+ si
* sizeof (vers_data
), data
,
2828 vers_data
= byte_get (data
, 2);
2830 is_nobits
= psym
->st_shndx
< SHN_LORESERVE
?
2831 (section_headers
[psym
->st_shndx
].sh_type
== SHT_NOBITS
)
2834 check_def
= (psym
->st_shndx
!= SHN_UNDEF
);
2836 if ((vers_data
& 0x8000) || vers_data
> 1)
2838 if (is_nobits
|| ! check_def
)
2840 Elf_External_Verneed evn
;
2841 Elf_Internal_Verneed ivn
;
2842 Elf_Internal_Vernaux ivna
;
2844 /* We must test both. */
2845 offset
= version_info
2846 [DT_VERSIONTAGIDX (DT_VERNEED
)] - loadaddr
;
2848 GET_DATA (offset
, evn
, "version need");
2850 ivn
.vn_aux
= BYTE_GET (evn
.vn_aux
);
2851 ivn
.vn_next
= BYTE_GET (evn
.vn_next
);
2855 unsigned long vna_off
;
2857 vna_off
= offset
+ ivn
.vn_aux
;
2861 Elf_External_Vernaux evna
;
2863 GET_DATA (vna_off
, evna
,
2864 "version need aux (3)");
2866 ivna
.vna_other
= BYTE_GET (evna
.vna_other
);
2867 ivna
.vna_next
= BYTE_GET (evna
.vna_next
);
2868 ivna
.vna_name
= BYTE_GET (evna
.vna_name
);
2870 vna_off
+= ivna
.vna_next
;
2872 while (ivna
.vna_other
!= vers_data
2873 && ivna
.vna_next
!= 0);
2875 if (ivna
.vna_other
== vers_data
)
2878 offset
+= ivn
.vn_next
;
2880 while (ivn
.vn_next
!= 0);
2882 if (ivna
.vna_other
== vers_data
)
2885 strtab
+ ivna
.vna_name
, ivna
.vna_other
);
2888 else if (! is_nobits
)
2889 error (_("bad dynamic symbol"));
2896 if (vers_data
!= 0x8001)
2898 Elf_Internal_Verdef ivd
;
2899 Elf_Internal_Verdaux ivda
;
2900 Elf_External_Verdaux evda
;
2901 unsigned long offset
;
2904 version_info
[DT_VERSIONTAGIDX (DT_VERDEF
)]
2909 Elf_External_Verdef evd
;
2911 GET_DATA (offset
, evd
, "version def");
2913 ivd
.vd_ndx
= BYTE_GET (evd
.vd_ndx
);
2914 ivd
.vd_aux
= BYTE_GET (evd
.vd_aux
);
2915 ivd
.vd_next
= BYTE_GET (evd
.vd_next
);
2917 offset
+= ivd
.vd_next
;
2919 while (ivd
.vd_ndx
!= (vers_data
& 0x7fff)
2920 && ivd
.vd_next
!= 0);
2922 offset
-= ivd
.vd_next
;
2923 offset
+= ivd
.vd_aux
;
2925 GET_DATA (offset
, evda
, "version def aux");
2927 ivda
.vda_name
= BYTE_GET (evda
.vda_name
);
2929 if (psym
->st_name
!= ivda
.vda_name
)
2930 printf ((vers_data
& 0x8000)
2932 strtab
+ ivda
.vda_name
);
2942 if (strtab
!= string_table
)
2948 (_("\nDynamic symbol information is not available for displaying symbols.\n"));
2954 process_section_contents (file
)
2957 Elf32_Internal_Shdr
* section
;
2963 for (i
= 0, section
= section_headers
;
2964 i
< elf_header
.e_shnum
;
2967 #ifdef SUPPORT_DISASSEMBLY
2968 /* See if we need an assembly dump of this section */
2970 if ((i
< NUM_DUMP_SECTS
) && (dump_sects
[i
] & DISASS_DUMP
))
2972 printf (_("\nAssembly dump of section %s\n"),
2973 SECTION_NAME (section
));
2975 /* XXX -- to be done --- XXX */
2978 /* See if we need a hex dump of this section. */
2979 if ((i
< NUM_DUMP_SECTS
) && (dump_sects
[i
] & HEX_DUMP
))
2983 unsigned char * data
;
2986 printf (_("\nHex dump of section '%s':\n"), SECTION_NAME (section
));
2988 bytes
= section
->sh_size
;
2989 addr
= section
->sh_addr
;
2991 GET_DATA_ALLOC (section
->sh_offset
, bytes
, start
, char *,
3002 lbytes
= (bytes
> 16 ? 16 : bytes
);
3004 printf (" 0x%8.8x ", addr
);
3006 switch (elf_header
.e_ident
[EI_DATA
])
3009 for (j
= 15; j
>= 0; j
--)
3012 printf ("%2.2x", data
[j
]);
3022 for (j
= 0; j
< 16; j
++)
3025 printf ("%2.2x", data
[j
]);
3035 for (j
= 0; j
< lbytes
; j
++)
3038 if (k
>= ' ' && k
< 0x80)
3059 process_mips_fpe_exception (mask
)
3065 if (mask
& OEX_FPU_INEX
)
3066 fputs ("INEX", stdout
), first
= 0;
3067 if (mask
& OEX_FPU_UFLO
)
3068 printf ("%sUFLO", first
? "" : "|"), first
= 0;
3069 if (mask
& OEX_FPU_OFLO
)
3070 printf ("%sOFLO", first
? "" : "|"), first
= 0;
3071 if (mask
& OEX_FPU_DIV0
)
3072 printf ("%sDIV0", first
? "" : "|"), first
= 0;
3073 if (mask
& OEX_FPU_INVAL
)
3074 printf ("%sINVAL", first
? "" : "|");
3077 fputs ("0", stdout
);
3081 process_mips_specific (file
)
3084 Elf_Internal_Dyn
* entry
;
3085 size_t liblist_offset
= 0;
3086 size_t liblistno
= 0;
3087 size_t options_offset
= 0;
3089 /* We have a lot of special sections. Thanks SGI! */
3090 if (dynamic_segment
== NULL
)
3091 /* No information available. */
3094 for (entry
= dynamic_segment
; entry
->d_tag
!= DT_NULL
; ++entry
)
3095 switch (entry
->d_tag
)
3097 case DT_MIPS_LIBLIST
:
3098 liblist_offset
= entry
->d_un
.d_val
- loadaddr
;
3100 case DT_MIPS_LIBLISTNO
:
3101 liblistno
= entry
->d_un
.d_val
;
3103 case DT_MIPS_OPTIONS
:
3104 options_offset
= entry
->d_un
.d_val
- loadaddr
;
3110 if (liblist_offset
!= 0 && liblistno
!= 0 && do_dynamic
)
3112 Elf32_External_Lib
*elib
;
3115 GET_DATA_ALLOC (liblist_offset
, liblistno
* sizeof (Elf32_External_Lib
),
3116 elib
, Elf32_External_Lib
*, "liblist");
3118 printf ("\nSection '.liblist' contains %d entries:\n", liblistno
);
3119 fputs (" Library Time Stamp Checksum Version Flags\n",
3122 for (cnt
= 0; cnt
< liblistno
; ++cnt
)
3128 liblist
.l_name
= BYTE_GET (elib
[cnt
].l_name
);
3129 time
= BYTE_GET (elib
[cnt
].l_time_stamp
);
3130 liblist
.l_checksum
= BYTE_GET (elib
[cnt
].l_checksum
);
3131 liblist
.l_version
= BYTE_GET (elib
[cnt
].l_version
);
3132 liblist
.l_flags
= BYTE_GET (elib
[cnt
].l_flags
);
3134 strftime (timebuf
, 17, "%Y-%m-%dT%H:%M", gmtime (&time
));
3136 printf ("%3d: %-20s %s %#10lx %-7ld %#lx\n", cnt
,
3137 dynamic_strings
+ liblist
.l_name
, timebuf
,
3138 liblist
.l_checksum
, liblist
.l_version
, liblist
.l_flags
);
3144 if (options_offset
!= 0)
3146 Elf_External_Options
*eopt
;
3147 Elf_Internal_Shdr
*sect
= section_headers
;
3148 Elf_Internal_Options
*iopt
;
3149 Elf_Internal_Options
*option
;
3153 /* Find the section header so that we get the size. */
3154 while (sect
->sh_type
!= SHT_MIPS_OPTIONS
)
3157 GET_DATA_ALLOC (options_offset
, sect
->sh_size
, eopt
,
3158 Elf_External_Options
*, "options");
3160 iopt
= (Elf_Internal_Options
*) malloc ((sect
->sh_size
/ sizeof (eopt
))
3164 error (_("Out of memory"));
3170 while (offset
< sect
->sh_size
)
3172 Elf_External_Options
*eoption
;
3174 eoption
= (Elf_External_Options
*) ((char *) eopt
+ offset
);
3176 option
->kind
= BYTE_GET (eoption
->kind
);
3177 option
->size
= BYTE_GET (eoption
->size
);
3178 option
->section
= BYTE_GET (eoption
->section
);
3179 option
->info
= BYTE_GET (eoption
->info
);
3181 offset
+= option
->size
;
3186 printf (_("\nSection '%s' contains %d entries:\n"),
3187 string_table
+ sect
->sh_name
, cnt
);
3194 switch (option
->kind
)
3197 /* This shouldn't happen. */
3198 printf (" NULL %d %x", option
->section
, option
->info
);
3201 printf (" REGINFO ");
3202 if (elf_header
.e_machine
== EM_MIPS
)
3205 Elf32_External_RegInfo
*ereg
;
3206 Elf32_RegInfo reginfo
;
3208 ereg
= (Elf32_External_RegInfo
*) (option
+ 1);
3209 reginfo
.ri_gprmask
= BYTE_GET (ereg
->ri_gprmask
);
3210 reginfo
.ri_cprmask
[0] = BYTE_GET (ereg
->ri_cprmask
[0]);
3211 reginfo
.ri_cprmask
[1] = BYTE_GET (ereg
->ri_cprmask
[1]);
3212 reginfo
.ri_cprmask
[2] = BYTE_GET (ereg
->ri_cprmask
[2]);
3213 reginfo
.ri_cprmask
[3] = BYTE_GET (ereg
->ri_cprmask
[3]);
3214 reginfo
.ri_gp_value
= BYTE_GET (ereg
->ri_gp_value
);
3216 printf ("GPR %08lx GP %ld\n",
3217 reginfo
.ri_gprmask
, reginfo
.ri_gp_value
);
3218 printf (" CPR0 %08lx CPR1 %08lx CPR2 %08lx CPR3 %08lx\n",
3219 reginfo
.ri_cprmask
[0], reginfo
.ri_cprmask
[1],
3220 reginfo
.ri_cprmask
[2], reginfo
.ri_cprmask
[3]);
3225 Elf64_External_RegInfo
*ereg
;
3226 Elf64_Internal_RegInfo reginfo
;
3228 ereg
= (Elf64_External_RegInfo
*) (option
+ 1);
3229 reginfo
.ri_gprmask
= BYTE_GET (ereg
->ri_gprmask
);
3230 reginfo
.ri_cprmask
[0] = BYTE_GET (ereg
->ri_cprmask
[0]);
3231 reginfo
.ri_cprmask
[1] = BYTE_GET (ereg
->ri_cprmask
[1]);
3232 reginfo
.ri_cprmask
[2] = BYTE_GET (ereg
->ri_cprmask
[2]);
3233 reginfo
.ri_cprmask
[3] = BYTE_GET (ereg
->ri_cprmask
[3]);
3234 reginfo
.ri_gp_value
= BYTE_GET (ereg
->ri_gp_value
);
3236 printf ("GPR %08lx GP %ld\n",
3237 reginfo
.ri_gprmask
, reginfo
.ri_gp_value
);
3238 printf (" CPR0 %08lx CPR1 %08lx CPR2 %08lx CPR3 %08lx\n",
3239 reginfo
.ri_cprmask
[0], reginfo
.ri_cprmask
[1],
3240 reginfo
.ri_cprmask
[2], reginfo
.ri_cprmask
[3]);
3244 case ODK_EXCEPTIONS
:
3245 fputs (" EXCEPTIONS fpe_min(", stdout
);
3246 process_mips_fpe_exception (option
->info
& OEX_FPU_MIN
);
3247 fputs (") fpe_max(", stdout
);
3248 process_mips_fpe_exception ((option
->info
& OEX_FPU_MAX
) >> 8);
3249 fputs (")", stdout
);
3251 if (option
->info
& OEX_PAGE0
)
3252 fputs (" PAGE0", stdout
);
3253 if (option
->info
& OEX_SMM
)
3254 fputs (" SMM", stdout
);
3255 if (option
->info
& OEX_FPDBUG
)
3256 fputs (" FPDBUG", stdout
);
3257 if (option
->info
& OEX_DISMISS
)
3258 fputs (" DISMISS", stdout
);
3261 fputs (" PAD ", stdout
);
3262 if (option
->info
& OPAD_PREFIX
)
3263 fputs (" PREFIX", stdout
);
3264 if (option
->info
& OPAD_POSTFIX
)
3265 fputs (" POSTFIX", stdout
);
3266 if (option
->info
& OPAD_SYMBOL
)
3267 fputs (" SYMBOL", stdout
);
3270 fputs (" HWPATCH ", stdout
);
3271 if (option
->info
& OHW_R4KEOP
)
3272 fputs (" R4KEOP", stdout
);
3273 if (option
->info
& OHW_R8KPFETCH
)
3274 fputs (" R8KPFETCH", stdout
);
3275 if (option
->info
& OHW_R5KEOP
)
3276 fputs (" R5KEOP", stdout
);
3277 if (option
->info
& OHW_R5KCVTL
)
3278 fputs (" R5KCVTL", stdout
);
3281 fputs (" FILL ", stdout
);
3282 /* XXX Print content of info word? */
3285 fputs (" TAGS ", stdout
);
3286 /* XXX Print content of info word? */
3289 fputs (" HWAND ", stdout
);
3290 if (option
->info
& OHWA0_R4KEOP_CHECKED
)
3291 fputs (" R4KEOP_CHECKED", stdout
);
3292 if (option
->info
& OHWA0_R4KEOP_CLEAN
)
3293 fputs (" R4KEOP_CLEAN", stdout
);
3296 fputs (" HWOR ", stdout
);
3297 if (option
->info
& OHWA0_R4KEOP_CHECKED
)
3298 fputs (" R4KEOP_CHECKED", stdout
);
3299 if (option
->info
& OHWA0_R4KEOP_CLEAN
)
3300 fputs (" R4KEOP_CLEAN", stdout
);
3303 printf (" GP_GROUP %#06x self-contained %#06x",
3304 option
->info
& OGP_GROUP
,
3305 (option
->info
& OGP_SELF
) >> 16);
3308 printf (" IDENT %#06x self-contained %#06x",
3309 option
->info
& OGP_GROUP
,
3310 (option
->info
& OGP_SELF
) >> 16);
3313 /* This shouldn't happen. */
3314 printf (" %3d ??? %d %x",
3315 option
->kind
, option
->section
, option
->info
);
3319 len
= sizeof (*eopt
);
3320 while (len
< option
->size
)
3321 if (((char *) option
)[len
] >= ' '
3322 && ((char *) option
)[len
] < 0x7f)
3323 printf ("%c", ((char *) option
)[len
++]);
3325 printf ("\\%03o", ((char *) option
)[len
++]);
3327 fputs ("\n", stdout
);
3338 process_arch_specific (file
)
3341 switch (elf_header
.e_machine
)
3344 case EM_MIPS_RS4_BE
:
3345 return process_mips_specific (file
);
3354 get_file_header (file
)
3357 Elf32_External_Ehdr ehdr
;
3359 if (fread (& ehdr
, sizeof (ehdr
), 1, file
) != 1)
3362 memcpy (elf_header
.e_ident
, ehdr
.e_ident
, EI_NIDENT
);
3364 if (elf_header
.e_ident
[EI_DATA
] == ELFDATA2LSB
)
3365 byte_get
= byte_get_little_endian
;
3367 byte_get
= byte_get_big_endian
;
3369 elf_header
.e_entry
= BYTE_GET (ehdr
.e_entry
);
3370 elf_header
.e_phoff
= BYTE_GET (ehdr
.e_phoff
);
3371 elf_header
.e_shoff
= BYTE_GET (ehdr
.e_shoff
);
3372 elf_header
.e_version
= BYTE_GET (ehdr
.e_version
);
3373 elf_header
.e_flags
= BYTE_GET (ehdr
.e_flags
);
3374 elf_header
.e_type
= BYTE_GET (ehdr
.e_type
);
3375 elf_header
.e_machine
= BYTE_GET (ehdr
.e_machine
);
3376 elf_header
.e_ehsize
= BYTE_GET (ehdr
.e_ehsize
);
3377 elf_header
.e_phentsize
= BYTE_GET (ehdr
.e_phentsize
);
3378 elf_header
.e_phnum
= BYTE_GET (ehdr
.e_phnum
);
3379 elf_header
.e_shentsize
= BYTE_GET (ehdr
.e_shentsize
);
3380 elf_header
.e_shnum
= BYTE_GET (ehdr
.e_shnum
);
3381 elf_header
.e_shstrndx
= BYTE_GET (ehdr
.e_shstrndx
);
3387 process_file (file_name
)
3391 struct stat statbuf
;
3394 if (stat (file_name
, & statbuf
) < 0)
3396 error (_("Cannot stat input file %s.\n"), file_name
);
3400 file
= fopen (file_name
, "rb");
3403 error (_("Input file %s not found.\n"), file_name
);
3407 if (! get_file_header (file
))
3409 error (_("%s: Failed to read file header\n"), file_name
);
3414 /* Initialise per file variables. */
3415 for (i
= NUM_ELEM (version_info
); i
--;)
3416 version_info
[i
] = 0;
3418 for (i
= NUM_ELEM (dynamic_info
); i
--;)
3419 dynamic_info
[i
] = 0;
3421 /* Process the file. */
3423 printf (_("\nFile: %s\n"), file_name
);
3425 if (! process_file_header ())
3431 process_section_headers (file
);
3433 process_program_headers (file
);
3435 process_dynamic_segment (file
);
3437 process_relocs (file
);
3439 process_symbol_table (file
);
3441 process_version_sections (file
);
3443 process_section_contents (file
);
3445 process_arch_specific (file
);
3449 if (section_headers
)
3451 free (section_headers
);
3452 section_headers
= NULL
;
3457 free (string_table
);
3458 string_table
= NULL
;
3461 if (dynamic_strings
)
3463 free (dynamic_strings
);
3464 dynamic_strings
= NULL
;
3467 if (dynamic_symbols
)
3469 free (dynamic_symbols
);
3470 dynamic_symbols
= NULL
;
3474 #ifdef SUPPORT_DISASSEMBLY
3475 /* Needed by the i386 disassembler. For extra credit, someone could
3476 fix this so that we insert symbolic addresses here, esp for GOT/PLT
3480 print_address (unsigned int addr
, FILE * outfile
)
3482 fprintf (outfile
,"0x%8.8x", addr
);
3485 /* Needed by the i386 disassembler. */
3487 db_task_printsym (unsigned int addr
)
3489 print_address (addr
, stderr
);
3498 parse_args (argc
, argv
);
3500 if (optind
< (argc
- 1))
3503 while (optind
< argc
)
3504 process_file (argv
[optind
++]);