X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=binutils%2Freadelf.c;h=20a7681f411841a0a29ebfc1829af5e3856995b2;hb=f4236fe4560a39155dd1e633f88914b1ac28d824;hp=4f865b029c8a3a00133bf05181974e2aeaefde4a;hpb=a841cf65e983ff1c5a8481578a49680f12ba0148;p=deliverable%2Fbinutils-gdb.git diff --git a/binutils/readelf.c b/binutils/readelf.c index 4f865b029c..20a7681f41 100644 --- a/binutils/readelf.c +++ b/binutils/readelf.c @@ -1,6 +1,6 @@ /* readelf.c -- display contents of an ELF format file - Copyright 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005 - Free Software Foundation, Inc. + Copyright 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, + 2008 Free Software Foundation, Inc. Originally developed by Eric Youngdale Modifications by Nick Clifton @@ -9,7 +9,7 @@ This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or + the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, @@ -41,12 +41,30 @@ ELF file than is provided by objdump. In particular it can display DWARF debugging information which (at the moment) objdump cannot. */ +#include "sysdep.h" #include -#include #include -#include #include +/* for PATH_MAX */ +#ifdef HAVE_LIMITS_H +#include +#endif + +#ifndef PATH_MAX +/* for MAXPATHLEN */ +# ifdef HAVE_SYS_PARAM_H +# include +# endif +# ifndef PATH_MAX +# ifdef MAXPATHLEN +# define PATH_MAX MAXPATHLEN +# else +# define PATH_MAX 1024 +# endif +# endif +#endif + #if __GNUC__ >= 2 /* Define BFD64 here, even if our default architecture is 32 bit ELF as this will allow us to read in and parse 64bit and 32bit ELF files. @@ -56,11 +74,30 @@ #endif #include "bfd.h" +#include "bucomm.h" +#include "dwarf.h" #include "elf/common.h" #include "elf/external.h" #include "elf/internal.h" -#include "elf/dwarf2.h" + + +/* Included here, before RELOC_MACROS_GEN_FUNC is defined, so that + we can obtain the H8 reloc numbers. We need these for the + get_reloc_size() function. We include h8.h again after defining + RELOC_MACROS_GEN_FUNC so that we get the naming function as well. */ + +#include "elf/h8.h" +#undef _ELF_H8_H + +/* Undo the effects of #including reloc-macros.h. */ + +#undef START_RELOC_NUMBERS +#undef RELOC_NUMBER +#undef FAKE_RELOC +#undef EMPTY_RELOC +#undef END_RELOC_NUMBERS +#undef _RELOC_MACROS_H /* The following headers use the elf/reloc-macros.h file to automatically generate relocation recognition functions @@ -72,7 +109,10 @@ #include "elf/arc.h" #include "elf/arm.h" #include "elf/avr.h" +#include "elf/bfin.h" +#include "elf/cr16.h" #include "elf/cris.h" +#include "elf/crx.h" #include "elf/d10v.h" #include "elf/d30v.h" #include "elf/dlx.h" @@ -86,37 +126,39 @@ #include "elf/i960.h" #include "elf/ia64.h" #include "elf/ip2k.h" +#include "elf/iq2000.h" #include "elf/m32c.h" #include "elf/m32r.h" #include "elf/m68k.h" #include "elf/m68hc11.h" #include "elf/mcore.h" +#include "elf/mep.h" #include "elf/mips.h" #include "elf/mmix.h" #include "elf/mn10200.h" #include "elf/mn10300.h" -#include "elf/ms1.h" +#include "elf/mt.h" #include "elf/msp430.h" #include "elf/or32.h" #include "elf/pj.h" #include "elf/ppc.h" #include "elf/ppc64.h" #include "elf/s390.h" +#include "elf/score.h" #include "elf/sh.h" #include "elf/sparc.h" +#include "elf/spu.h" #include "elf/v850.h" #include "elf/vax.h" #include "elf/x86-64.h" #include "elf/xstormy16.h" -#include "elf/crx.h" -#include "elf/iq2000.h" #include "elf/xtensa.h" #include "aout/ar.h" -#include "bucomm.h" #include "getopt.h" #include "libiberty.h" +#include "safe-ctype.h" char *program_name = "readelf"; static long archive_file_offset; @@ -133,8 +175,9 @@ static Elf_Internal_Sym *dynamic_symbols; static Elf_Internal_Syminfo *dynamic_syminfo; static unsigned long dynamic_syminfo_offset; static unsigned int dynamic_syminfo_nent; -static char program_interpreter[64]; +static char program_interpreter[PATH_MAX]; static bfd_vma dynamic_info[DT_JMPREL + 1]; +static bfd_vma dynamic_info_DT_GNU_HASH; static bfd_vma version_info[16]; static Elf_Internal_Ehdr elf_header; static Elf_Internal_Shdr *section_headers; @@ -157,23 +200,10 @@ static int do_version; static int do_wide; static int do_histogram; static int do_debugging; -static int do_debug_info; -static int do_debug_abbrevs; -static int do_debug_lines; -static int do_debug_pubnames; -static int do_debug_aranges; -static int do_debug_ranges; -static int do_debug_frames; -static int do_debug_frames_interp; -static int do_debug_macinfo; -static int do_debug_str; -static int do_debug_loc; static int do_arch; static int do_notes; +static int do_archive_index; static int is_32bit_elf; -static int have_frame_base; -static int need_base_address; -static bfd_vma eh_addr_size; struct group_list { @@ -191,22 +221,37 @@ static size_t group_count; static struct group *section_groups; static struct group **section_headers_groups; -/* A dynamic array of flags indicating for which sections a hex dump - has been requested (via the -x switch) and/or a disassembly dump - (via the -i switch). */ -char *cmdline_dump_sects = NULL; -unsigned num_cmdline_dump_sects = 0; + +/* Flag bits indicating particular types of dump. */ +#define HEX_DUMP (1 << 0) /* The -x command line switch. */ +#define DISASS_DUMP (1 << 1) /* The -i command line switch. */ +#define DEBUG_DUMP (1 << 2) /* The -w command line switch. */ +#define STRING_DUMP (1 << 3) /* The -p command line switch. */ + +typedef unsigned char dump_type; + +/* A linked list of the section names for which dumps were requested. */ +struct dump_list_entry +{ + char *name; + dump_type type; + struct dump_list_entry *next; +}; +static struct dump_list_entry *dump_sects_byname; + +/* A dynamic array of flags indicating for which sections a dump + has been requested via command line switches. */ +static dump_type * cmdline_dump_sects = NULL; +static unsigned int num_cmdline_dump_sects = 0; /* A dynamic array of flags indicating for which sections a dump of some kind has been requested. It is reset on a per-object file - basis and then initialised from the cmdline_dump_sects array and - the results of interpreting the -w switch. */ -char *dump_sects = NULL; -unsigned int num_dump_sects = 0; + basis and then initialised from the cmdline_dump_sects array, + the results of interpreting the -w switch, and the + dump_sects_byname list. */ +static dump_type * dump_sects = NULL; +static unsigned int num_dump_sects = 0; -#define HEX_DUMP (1 << 0) -#define DISASS_DUMP (1 << 1) -#define DEBUG_DUMP (1 << 2) /* How to print a vma value. */ typedef enum print_mode @@ -221,14 +266,15 @@ typedef enum print_mode } print_mode; -static bfd_vma (*byte_get) (unsigned char *, int); static void (*byte_put) (unsigned char *, bfd_vma, int); #define UNKNOWN -1 -#define SECTION_NAME(X) ((X) == NULL ? "" : \ - ((X)->sh_name >= string_table_length \ - ? "" : string_table + (X)->sh_name)) +#define SECTION_NAME(X) \ + ((X) == NULL ? "" \ + : string_table == NULL ? "" \ + : ((X)->sh_name >= string_table_length ? "" \ + : string_table + (X)->sh_name)) /* Given st_shndx I, map to section_headers index. */ #define SECTION_HEADER_INDEX(I) \ @@ -250,8 +296,6 @@ static void (*byte_put) (unsigned char *, bfd_vma, int); #define BYTE_GET(field) byte_get (field, sizeof (field)) -#define NUM_ELEM(array) (sizeof (array) / sizeof ((array)[0])) - #define GET_ELF_SYMBOLS(file, section) \ (is_32bit_elf ? get_32bit_elf_symbols (file, section) \ : get_64bit_elf_symbols (file, section)) @@ -262,61 +306,10 @@ static void (*byte_put) (unsigned char *, bfd_vma, int); #define GET_DYNAMIC_NAME(offset) (dynamic_strings + offset) /* This is just a bit of syntatic sugar. */ -#define streq(a,b) (strcmp ((a), (b)) == 0) -#define strneq(a,b,n) (strncmp ((a), (b), (n)) == 0) +#define streq(a,b) (strcmp ((a), (b)) == 0) +#define strneq(a,b,n) (strncmp ((a), (b), (n)) == 0) +#define const_strneq(a,b) (strncmp ((a), (b), sizeof (b) - 1) == 0) -static void ATTRIBUTE_PRINTF_1 -error (const char *message, ...) -{ - va_list args; - - va_start (args, message); - fprintf (stderr, _("%s: Error: "), program_name); - vfprintf (stderr, message, args); - va_end (args); -} - -static void ATTRIBUTE_PRINTF_1 -warn (const char *message, ...) -{ - va_list args; - - va_start (args, message); - fprintf (stderr, _("%s: Warning: "), program_name); - vfprintf (stderr, message, args); - va_end (args); -} - -static void * -cmalloc (size_t nmemb, size_t size) -{ - /* Check for overflow. */ - if (nmemb >= ~(size_t) 0 / size) - return NULL; - else - return malloc (nmemb * size); -} - -static void * -xcmalloc (size_t nmemb, size_t size) -{ - /* Check for overflow. */ - if (nmemb >= ~(size_t) 0 / size) - return NULL; - else - return xmalloc (nmemb * size); -} - -static void * -xcrealloc (void *ptr, size_t nmemb, size_t size) -{ - /* Check for overflow. */ - if (nmemb >= ~(size_t) 0 / size) - return NULL; - else - return xrealloc (ptr, nmemb * size); -} - static void * get_data (void *var, FILE *file, long offset, size_t size, size_t nmemb, const char *reason) @@ -363,68 +356,6 @@ get_data (void *var, FILE *file, long offset, size_t size, size_t nmemb, return mvar; } -static bfd_vma -byte_get_little_endian (unsigned char *field, int size) -{ - switch (size) - { - case 1: - return *field; - - case 2: - return ((unsigned int) (field[0])) - | (((unsigned int) (field[1])) << 8); - -#ifndef BFD64 - case 8: - /* We want to extract data from an 8 byte wide field and - place it into a 4 byte wide field. Since this is a little - endian source we can just use the 4 byte extraction code. */ - /* Fall through. */ -#endif - case 4: - return ((unsigned long) (field[0])) - | (((unsigned long) (field[1])) << 8) - | (((unsigned long) (field[2])) << 16) - | (((unsigned long) (field[3])) << 24); - -#ifdef BFD64 - case 8: - return ((bfd_vma) (field[0])) - | (((bfd_vma) (field[1])) << 8) - | (((bfd_vma) (field[2])) << 16) - | (((bfd_vma) (field[3])) << 24) - | (((bfd_vma) (field[4])) << 32) - | (((bfd_vma) (field[5])) << 40) - | (((bfd_vma) (field[6])) << 48) - | (((bfd_vma) (field[7])) << 56); -#endif - default: - error (_("Unhandled data length: %d\n"), size); - abort (); - } -} - -static bfd_vma -byte_get_signed (unsigned char *field, int size) -{ - bfd_vma x = byte_get (field, size); - - switch (size) - { - case 1: - return (x ^ 0x80) - 0x80; - case 2: - return (x ^ 0x8000) - 0x8000; - case 4: - return (x ^ 0x80000000) - 0x80000000; - case 8: - return x; - default: - abort (); - } -} - static void byte_put_little_endian (unsigned char *field, bfd_vma value, int size) { @@ -453,7 +384,7 @@ byte_put_little_endian (unsigned char *field, bfd_vma value, int size) } } -#if defined BFD64 && !BFD_HOST_64BIT_LONG +#if defined BFD64 && !BFD_HOST_64BIT_LONG && !BFD_HOST_64BIT_LONG_LONG static int print_dec_vma (bfd_vma vma, int is_signed) { @@ -561,6 +492,12 @@ print_vma (bfd_vma vma, print_mode mode) case HEX: #if BFD_HOST_64BIT_LONG return nc + printf ("%lx", vma); +#elif BFD_HOST_64BIT_LONG_LONG +#ifndef __MSVCRT__ + return nc + printf ("%llx", vma); +#else + return nc + printf ("%I64x", vma); +#endif #else return nc + print_hex_vma (vma); #endif @@ -568,6 +505,12 @@ print_vma (bfd_vma vma, print_mode mode) case DEC: #if BFD_HOST_64BIT_LONG return printf ("%ld", vma); +#elif BFD_HOST_64BIT_LONG_LONG +#ifndef __MSVCRT__ + return printf ("%lld", vma); +#else + return printf ("%I64d", vma); +#endif #else return print_dec_vma (vma, 1); #endif @@ -578,6 +521,18 @@ print_vma (bfd_vma vma, print_mode mode) return printf ("%5ld", vma); else return printf ("%#lx", vma); +#elif BFD_HOST_64BIT_LONG_LONG +#ifndef __MSVCRT__ + if (vma <= 99999) + return printf ("%5lld", vma); + else + return printf ("%#llx", vma); +#else + if (vma <= 99999) + return printf ("%5I64d", vma); + else + return printf ("%#I64x", vma); +#endif #else if (vma <= 99999) return printf ("%5ld", _bfd_int64_low (vma)); @@ -588,6 +543,12 @@ print_vma (bfd_vma vma, print_mode mode) case UNSIGNED: #if BFD_HOST_64BIT_LONG return printf ("%lu", vma); +#elif BFD_HOST_64BIT_LONG_LONG +#ifndef __MSVCRT__ + return printf ("%llu", vma); +#else + return printf ("%I64u", vma); +#endif #else return print_dec_vma (vma, 0); #endif @@ -614,48 +575,6 @@ print_symbol (int width, const char *symbol) printf ("%-.*s", width, symbol); } -static bfd_vma -byte_get_big_endian (unsigned char *field, int size) -{ - switch (size) - { - case 1: - return *field; - - case 2: - return ((unsigned int) (field[1])) | (((int) (field[0])) << 8); - -#ifndef BFD64 - case 8: - /* Although we are extracing data from an 8 byte wide field, - we are returning only 4 bytes of data. */ - field += 4; - /* Fall thru */ -#endif - case 4: - return ((unsigned long) (field[3])) - | (((unsigned long) (field[2])) << 8) - | (((unsigned long) (field[1])) << 16) - | (((unsigned long) (field[0])) << 24); - -#ifdef BFD64 - case 8: - return ((bfd_vma) (field[7])) - | (((bfd_vma) (field[6])) << 8) - | (((bfd_vma) (field[5])) << 16) - | (((bfd_vma) (field[4])) << 24) - | (((bfd_vma) (field[3])) << 32) - | (((bfd_vma) (field[2])) << 40) - | (((bfd_vma) (field[1])) << 48) - | (((bfd_vma) (field[0])) << 56); -#endif - - default: - error (_("Unhandled data length: %d\n"), size); - abort (); - } -} - static void byte_put_big_endian (unsigned char *field, bfd_vma value, int size) { @@ -710,85 +629,92 @@ guess_is_rela (unsigned long e_machine) switch (e_machine) { /* Targets that use REL relocations. */ - case EM_ARM: case EM_386: case EM_486: case EM_960: - case EM_DLX: - case EM_OPENRISC: - case EM_OR32: - case EM_CYGNUS_M32R: + case EM_ARM: case EM_D10V: case EM_CYGNUS_D10V: + case EM_DLX: case EM_MIPS: case EM_MIPS_RS3_LE: + case EM_CYGNUS_M32R: + case EM_OPENRISC: + case EM_OR32: + case EM_SCORE: return FALSE; /* Targets that use RELA relocations. */ case EM_68K: - case EM_H8_300: - case EM_H8_300H: - case EM_H8S: - case EM_SPARC32PLUS: - case EM_SPARCV9: - case EM_SPARC: - case EM_PPC: - case EM_PPC64: - case EM_V850: - case EM_CYGNUS_V850: + case EM_860: + case EM_ALPHA: + case EM_ALTERA_NIOS2: + case EM_AVR: + case EM_AVR_OLD: + case EM_BLACKFIN: + case EM_CR16: + case EM_CRIS: + case EM_CRX: case EM_D30V: case EM_CYGNUS_D30V: - case EM_MN10200: - case EM_CYGNUS_MN10200: - case EM_MN10300: - case EM_CYGNUS_MN10300: case EM_FR30: case EM_CYGNUS_FR30: case EM_CYGNUS_FRV: - case EM_SH: - case EM_ALPHA: - case EM_MCORE: + case EM_H8S: + case EM_H8_300: + case EM_H8_300H: case EM_IA_64: - case EM_AVR: - case EM_AVR_OLD: - case EM_CRIS: - case EM_860: - case EM_X86_64: - case EM_S390: - case EM_S390_OLD: + case EM_IP2K: + case EM_IP2K_OLD: + case EM_IQ2000: + case EM_M32C: + case EM_M32R: + case EM_MCORE: + case EM_CYGNUS_MEP: case EM_MMIX: + case EM_MN10200: + case EM_CYGNUS_MN10200: + case EM_MN10300: + case EM_CYGNUS_MN10300: case EM_MSP430: case EM_MSP430_OLD: - case EM_XSTORMY16: - case EM_CRX: + case EM_MT: + case EM_NIOS32: + case EM_PPC64: + case EM_PPC: + case EM_S390: + case EM_S390_OLD: + case EM_SH: + case EM_SPARC: + case EM_SPARC32PLUS: + case EM_SPARCV9: + case EM_SPU: + case EM_V850: + case EM_CYGNUS_V850: case EM_VAX: - case EM_IP2K: - case EM_IP2K_OLD: - case EM_IQ2000: + case EM_X86_64: + case EM_XSTORMY16: case EM_XTENSA: case EM_XTENSA_OLD: - case EM_M32R: - case EM_M32C: - case EM_MS1: return TRUE; + case EM_68HC05: + case EM_68HC08: + case EM_68HC11: + case EM_68HC16: + case EM_FX66: + case EM_ME16: case EM_MMA: - case EM_PCP: case EM_NCPU: case EM_NDR1: - case EM_STARCORE: - case EM_ME16: + case EM_PCP: case EM_ST100: - case EM_TINYJ: - case EM_FX66: - case EM_ST9PLUS: + case EM_ST19: case EM_ST7: - case EM_68HC16: - case EM_68HC11: - case EM_68HC08: - case EM_68HC05: + case EM_ST9PLUS: + case EM_STARCORE: case EM_SVX: - case EM_ST19: + case EM_TINYJ: default: warn (_("Don't know about relocations on this machine architecture\n")); return FALSE; @@ -821,7 +747,7 @@ slurp_rela_relocs (FILE *file, if (relas == NULL) { free (erelas); - error (_("out of memory parsing relocs")); + error (_("out of memory parsing relocs\n")); return 0; } @@ -849,7 +775,7 @@ slurp_rela_relocs (FILE *file, if (relas == NULL) { free (erelas); - error (_("out of memory parsing relocs")); + error (_("out of memory parsing relocs\n")); return 0; } @@ -893,7 +819,7 @@ slurp_rel_relocs (FILE *file, if (rels == NULL) { free (erels); - error (_("out of memory parsing relocs")); + error (_("out of memory parsing relocs\n")); return 0; } @@ -921,7 +847,7 @@ slurp_rel_relocs (FILE *file, if (rels == NULL) { free (erels); - error (_("out of memory parsing relocs")); + error (_("out of memory parsing relocs\n")); return 0; } @@ -939,10 +865,40 @@ slurp_rel_relocs (FILE *file, return 1; } +/* Returns the reloc type extracted from the reloc info field. */ + +static unsigned int +get_reloc_type (bfd_vma reloc_info) +{ + if (is_32bit_elf) + return ELF32_R_TYPE (reloc_info); + + switch (elf_header.e_machine) + { + case EM_MIPS: + /* Note: We assume that reloc_info has already been adjusted for us. */ + return ELF64_MIPS_R_TYPE (reloc_info); + + case EM_SPARCV9: + return ELF64_R_TYPE_ID (reloc_info); + + default: + return ELF64_R_TYPE (reloc_info); + } +} + +/* Return the symbol index extracted from the reloc info field. */ + +static bfd_vma +get_reloc_symindex (bfd_vma reloc_info) +{ + return is_32bit_elf ? ELF32_R_SYM (reloc_info) : ELF64_R_SYM (reloc_info); +} + /* Display the contents of the relocation data found at the specified offset. */ -static int +static void dump_relocations (FILE *file, unsigned long rel_offset, unsigned long rel_size, @@ -962,12 +918,12 @@ dump_relocations (FILE *file, if (is_rela) { if (!slurp_rela_relocs (file, rel_offset, rel_size, &rels, &rel_size)) - return 0; + return; } else { if (!slurp_rel_relocs (file, rel_offset, rel_size, &rels, &rel_size)) - return 0; + return; } if (is_32bit_elf) @@ -1008,77 +964,70 @@ dump_relocations (FILE *file, for (i = 0; i < rel_size; i++) { const char *rtype; - const char *rtype2 = NULL; - const char *rtype3 = NULL; bfd_vma offset; bfd_vma info; bfd_vma symtab_index; bfd_vma type; - bfd_vma type2 = 0; - bfd_vma type3 = 0; offset = rels[i].r_offset; info = rels[i].r_info; - if (is_32bit_elf) + /* The #ifdef BFD64 below is to prevent a compile time warning. + We know that if we do not have a 64 bit data type that we + will never execute this code anyway. */ +#ifdef BFD64 + if (!is_32bit_elf + && elf_header.e_machine == EM_MIPS + && elf_header.e_ident[EI_DATA] != ELFDATA2MSB) { - type = ELF32_R_TYPE (info); - symtab_index = ELF32_R_SYM (info); + /* In little-endian objects, r_info isn't really a 64-bit + little-endian value: it has a 32-bit little-endian + symbol index followed by four individual byte fields. + Reorder INFO accordingly. */ + info = (((info & 0xffffffff) << 32) + | ((info >> 56) & 0xff) + | ((info >> 40) & 0xff00) + | ((info >> 24) & 0xff0000) + | ((info >> 8) & 0xff000000)); } - else - { - /* The #ifdef BFD64 below is to prevent a compile time warning. - We know that if we do not have a 64 bit data type that we - will never execute this code anyway. */ -#ifdef BFD64 - if (elf_header.e_machine == EM_MIPS) - { - /* In little-endian objects, r_info isn't really a 64-bit - little-endian value: it has a 32-bit little-endian - symbol index followed by four individual byte fields. - Reorder INFO accordingly. */ - if (elf_header.e_ident[EI_DATA] != ELFDATA2MSB) - info = (((info & 0xffffffff) << 32) - | ((info >> 56) & 0xff) - | ((info >> 40) & 0xff00) - | ((info >> 24) & 0xff0000) - | ((info >> 8) & 0xff000000)); - type = ELF64_MIPS_R_TYPE (info); - type2 = ELF64_MIPS_R_TYPE2 (info); - type3 = ELF64_MIPS_R_TYPE3 (info); - } - else if (elf_header.e_machine == EM_SPARCV9) - type = ELF64_R_TYPE_ID (info); - else - type = ELF64_R_TYPE (info); +#endif /* BFD64 */ - symtab_index = ELF64_R_SYM (info); -#endif - } + type = get_reloc_type (info); + symtab_index = get_reloc_symindex (info); if (is_32bit_elf) { -#ifdef _bfd_int64_low - printf ("%8.8lx %8.8lx ", _bfd_int64_low (offset), _bfd_int64_low (info)); -#else - printf ("%8.8lx %8.8lx ", offset, info); -#endif + printf ("%8.8lx %8.8lx ", + (unsigned long) offset & 0xffffffff, + (unsigned long) info & 0xffffffff); } else { -#ifdef _bfd_int64_low - printf (do_wide - ? "%8.8lx%8.8lx %8.8lx%8.8lx " - : "%4.4lx%8.8lx %4.4lx%8.8lx ", - _bfd_int64_high (offset), - _bfd_int64_low (offset), - _bfd_int64_high (info), - _bfd_int64_low (info)); -#else +#if BFD_HOST_64BIT_LONG printf (do_wide ? "%16.16lx %16.16lx " : "%12.12lx %12.12lx ", offset, info); +#elif BFD_HOST_64BIT_LONG_LONG +#ifndef __MSVCRT__ + printf (do_wide + ? "%16.16llx %16.16llx " + : "%12.12llx %12.12llx ", + offset, info); +#else + printf (do_wide + ? "%16.16I64x %16.16I64x " + : "%12.12I64x %12.12I64x ", + offset, info); +#endif +#else + printf (do_wide + ? "%8.8lx%8.8lx %8.8lx%8.8lx " + : "%4.4lx%8.8lx %4.4lx%8.8lx ", + _bfd_int64_high (offset), + _bfd_int64_low (offset), + _bfd_int64_high (info), + _bfd_int64_low (info)); #endif } @@ -1123,6 +1072,10 @@ dump_relocations (FILE *file, rtype = elf_sparc_reloc_type (type); break; + case EM_SPU: + rtype = elf_spu_reloc_type (type); + break; + case EM_V850: case EM_CYGNUS_V850: rtype = v850_reloc_type (type); @@ -1189,11 +1142,6 @@ dump_relocations (FILE *file, case EM_MIPS: case EM_MIPS_RS3_LE: rtype = elf_mips_reloc_type (type); - if (!is_32bit_elf) - { - rtype2 = elf_mips_reloc_type (type2); - rtype3 = elf_mips_reloc_type (type3); - } break; case EM_ALPHA: @@ -1252,6 +1200,10 @@ dump_relocations (FILE *file, rtype = elf_s390_reloc_type (type); break; + case EM_SCORE: + rtype = elf_score_reloc_type (type); + break; + case EM_XSTORMY16: rtype = elf_xstormy16_reloc_type (type); break; @@ -1282,21 +1234,30 @@ dump_relocations (FILE *file, rtype = elf_m32c_reloc_type (type); break; - case EM_MS1: - rtype = elf_ms1_reloc_type (type); + case EM_MT: + rtype = elf_mt_reloc_type (type); + break; + + case EM_BLACKFIN: + rtype = elf_bfin_reloc_type (type); + break; + + case EM_CYGNUS_MEP: + rtype = elf_mep_reloc_type (type); + break; + + case EM_CR16: + rtype = elf_cr16_reloc_type (type); break; } if (rtype == NULL) -#ifdef _bfd_int64_low - printf (_("unrecognized: %-7lx"), _bfd_int64_low (type)); -#else - printf (_("unrecognized: %-7lx"), type); -#endif + printf (_("unrecognized: %-7lx"), (unsigned long) type & 0xffffffff); else printf (do_wide ? "%-22.22s" : "%-17.17s", rtype); if (elf_header.e_machine == EM_ALPHA + && rtype != NULL && streq (rtype, "R_ALPHA_LITUSE") && is_rela) { @@ -1355,6 +1316,12 @@ dump_relocations (FILE *file, sec_name = "ABS"; else if (psym->st_shndx == SHN_COMMON) sec_name = "COMMON"; + else if (elf_header.e_machine == EM_MIPS + && psym->st_shndx == SHN_MIPS_SCOMMON) + sec_name = "SCOMMON"; + else if (elf_header.e_machine == EM_MIPS + && psym->st_shndx == SHN_MIPS_SUNDEFINED) + sec_name = "SUNDEF"; else if (elf_header.e_machine == EM_X86_64 && psym->st_shndx == SHN_X86_64_LCOMMON) sec_name = "LARGE_COMMON"; @@ -1389,42 +1356,43 @@ dump_relocations (FILE *file, print_vma (rels[i].r_addend, LONG_HEX); } - if (elf_header.e_machine == EM_SPARCV9 && streq (rtype, "R_SPARC_OLO10")) + if (elf_header.e_machine == EM_SPARCV9 + && rtype != NULL + && streq (rtype, "R_SPARC_OLO10")) printf (" + %lx", (unsigned long) ELF64_R_TYPE_DATA (info)); putchar ('\n'); +#ifdef BFD64 if (! is_32bit_elf && elf_header.e_machine == EM_MIPS) { + bfd_vma type2 = ELF64_MIPS_R_TYPE2 (info); + bfd_vma type3 = ELF64_MIPS_R_TYPE3 (info); + const char *rtype2 = elf_mips_reloc_type (type2); + const char *rtype3 = elf_mips_reloc_type (type3); + printf (" Type2: "); if (rtype2 == NULL) -#ifdef _bfd_int64_low - printf (_("unrecognized: %-7lx"), _bfd_int64_low (type2)); -#else - printf (_("unrecognized: %-7lx"), type2); -#endif + printf (_("unrecognized: %-7lx"), + (unsigned long) type2 & 0xffffffff); else printf ("%-17.17s", rtype2); printf ("\n Type3: "); if (rtype3 == NULL) -#ifdef _bfd_int64_low - printf (_("unrecognized: %-7lx"), _bfd_int64_low (type3)); -#else - printf (_("unrecognized: %-7lx"), type3); -#endif + printf (_("unrecognized: %-7lx"), + (unsigned long) type3 & 0xffffffff); else printf ("%-17.17s", rtype3); putchar ('\n'); } +#endif /* BFD64 */ } free (rels); - - return 1; } static const char * @@ -1571,6 +1539,23 @@ get_alpha_dynamic_type (unsigned long type) } } +static const char * +get_score_dynamic_type (unsigned long type) +{ + switch (type) + { + case DT_SCORE_BASE_ADDRESS: return "SCORE_BASE_ADDRESS"; + case DT_SCORE_LOCAL_GOTNO: return "SCORE_LOCAL_GOTNO"; + case DT_SCORE_SYMTABNO: return "SCORE_SYMTABNO"; + case DT_SCORE_GOTSYM: return "SCORE_GOTSYM"; + case DT_SCORE_UNREFEXTNO: return "SCORE_UNREFEXTNO"; + case DT_SCORE_HIPAGENO: return "SCORE_HIPAGENO"; + default: + return NULL; + } +} + + static const char * get_dynamic_type (unsigned long type) { @@ -1632,6 +1617,8 @@ get_dynamic_type (unsigned long type) case DT_VERSYM: return "VERSYM"; + case DT_TLSDESC_GOT: return "TLSDESC_GOT"; + case DT_TLSDESC_PLT: return "TLSDESC_PLT"; case DT_RELACOUNT: return "RELACOUNT"; case DT_RELCOUNT: return "RELCOUNT"; case DT_FLAGS_1: return "FLAGS_1"; @@ -1649,6 +1636,7 @@ get_dynamic_type (unsigned long type) case DT_GNU_CONFLICTSZ: return "GNU_CONFLICTSZ"; case DT_GNU_LIBLIST: return "GNU_LIBLIST"; case DT_GNU_LIBLISTSZ: return "GNU_LIBLISTSZ"; + case DT_GNU_HASH: return "GNU_HASH"; default: if ((type >= DT_LOPROC) && (type <= DT_HIPROC)) @@ -1676,6 +1664,9 @@ get_dynamic_type (unsigned long type) case EM_ALPHA: result = get_alpha_dynamic_type (type); break; + case EM_SCORE: + result = get_score_dynamic_type (type); + break; default: result = NULL; break; @@ -1749,6 +1740,7 @@ get_machine_name (unsigned e_machine) case EM_NONE: return _("None"); case EM_M32: return "WE32100"; case EM_SPARC: return "Sparc"; + case EM_SPU: return "SPU"; case EM_386: return "Intel 80386"; case EM_68K: return "MC68000"; case EM_88K: return "MC88000"; @@ -1830,6 +1822,7 @@ get_machine_name (unsigned e_machine) case EM_X86_64: return "Advanced Micro Devices X86-64"; case EM_S390_OLD: case EM_S390: return "IBM S/390"; + case EM_SCORE: return "SUNPLUS S+Core"; case EM_XSTORMY16: return "Sanyo Xstormy16 CPU core"; case EM_OPENRISC: case EM_OR32: return "OpenRISC"; @@ -1841,9 +1834,15 @@ get_machine_name (unsigned e_machine) case EM_XTENSA_OLD: case EM_XTENSA: return "Tensilica Xtensa Processor"; case EM_M32C: return "Renesas M32c"; - case EM_MS1: return "Morpho Techologies MS1 processor"; + case EM_MT: return "Morpho Techologies MT processor"; + case EM_BLACKFIN: return "Analog Devices Blackfin"; + case EM_NIOS32: return "Altera Nios"; + case EM_ALTERA_NIOS2: return "Altera Nios II"; + case EM_XC16X: return "Infineon Technologies xc16x"; + case EM_CYGNUS_MEP: return "Toshiba MeP Media Engine"; + case EM_CR16: return "National Semiconductor's CR16"; default: - snprintf (buff, sizeof (buff), _(": %x"), e_machine); + snprintf (buff, sizeof (buff), _(": 0x%x"), e_machine); return buff; } } @@ -1939,6 +1938,11 @@ decode_ARM_machine_flags (unsigned e_flags, char buf[]) case EF_ARM_EABI_VER4: strcat (buf, ", Version4 EABI"); + goto eabi; + + case EF_ARM_EABI_VER5: + strcat (buf, ", Version5 EABI"); + eabi: while (e_flags) { unsigned flag; @@ -2087,10 +2091,62 @@ get_machine_flags (unsigned e_flags, unsigned e_machine) break; case EM_68K: - if (e_flags & EF_CPU32) - strcat (buf, ", cpu32"); - if (e_flags & EF_M68000) + if ((e_flags & EF_M68K_ARCH_MASK) == EF_M68K_M68000) strcat (buf, ", m68000"); + else if ((e_flags & EF_M68K_ARCH_MASK) == EF_M68K_CPU32) + strcat (buf, ", cpu32"); + else if ((e_flags & EF_M68K_ARCH_MASK) == EF_M68K_FIDO) + strcat (buf, ", fido_a"); + else + { + char const *isa = _("unknown"); + char const *mac = _("unknown mac"); + char const *additional = NULL; + + switch (e_flags & EF_M68K_CF_ISA_MASK) + { + case EF_M68K_CF_ISA_A_NODIV: + isa = "A"; + additional = ", nodiv"; + break; + case EF_M68K_CF_ISA_A: + isa = "A"; + break; + case EF_M68K_CF_ISA_A_PLUS: + isa = "A+"; + break; + case EF_M68K_CF_ISA_B_NOUSP: + isa = "B"; + additional = ", nousp"; + break; + case EF_M68K_CF_ISA_B: + isa = "B"; + break; + } + strcat (buf, ", cf, isa "); + strcat (buf, isa); + if (additional) + strcat (buf, additional); + if (e_flags & EF_M68K_CF_FLOAT) + strcat (buf, ", float"); + switch (e_flags & EF_M68K_CF_MAC_MASK) + { + case 0: + mac = NULL; + break; + case EF_M68K_CF_MAC: + mac = "mac"; + break; + case EF_M68K_CF_EMAC: + mac = "emac"; + break; + } + if (mac) + { + strcat (buf, ", "); + strcat (buf, mac); + } + } break; case EM_PPC: @@ -2127,7 +2183,6 @@ get_machine_flags (unsigned e_flags, unsigned e_machine) case EM_CYGNUS_M32R: if ((e_flags & EF_M32R_ARCH) == E_M32R_ARCH) strcat (buf, ", m32r"); - break; case EM_MIPS: @@ -2165,6 +2220,8 @@ get_machine_flags (unsigned e_flags, unsigned e_machine) case E_MIPS_MACH_5500: strcat (buf, ", 5500"); break; case E_MIPS_MACH_SB1: strcat (buf, ", sb1"); break; case E_MIPS_MACH_9000: strcat (buf, ", 9000"); break; + case E_MIPS_MACH_LS2E: strcat (buf, ", loongson-2e"); break; + case E_MIPS_MACH_LS2F: strcat (buf, ", loongson-2f"); break; case 0: /* We simply ignore the field in this case to avoid confusion: MIPS ELF does not specify EF_MIPS_MACH, it is a GNU @@ -2228,6 +2285,12 @@ get_machine_flags (unsigned e_flags, unsigned e_machine) case EF_SH4_NOFPU: strcat (buf, ", sh4-nofpu"); break; case EF_SH4A_NOFPU: strcat (buf, ", sh4a-nofpu"); break; case EF_SH2A_NOFPU: strcat (buf, ", sh2a-nofpu"); break; + case EF_SH3_NOMMU: strcat (buf, ", sh3-nommu"); break; + case EF_SH4_NOMMU_NOFPU: strcat (buf, ", sh4-nommu-nofpu"); break; + case EF_SH2A_SH4_NOFPU: strcat (buf, ", sh2a-nofpu-or-sh4-nommu-nofpu"); break; + case EF_SH2A_SH3_NOFPU: strcat (buf, ", sh2a-nofpu-or-sh3-nommu"); break; + case EF_SH2A_SH4: strcat (buf, ", sh2a-or-sh4"); break; + case EF_SH2A_SH3E: strcat (buf, ", sh2a-or-sh3e"); break; default: strcat (buf, ", unknown ISA"); break; } @@ -2622,6 +2685,10 @@ get_arm_section_type_name (unsigned int sh_type) { case SHT_ARM_EXIDX: return "ARM_EXIDX"; + case SHT_ARM_PREEMPTMAP: + return "ARM_PREEMPTMAP"; + case SHT_ARM_ATTRIBUTES: + return "ARM_ATTRIBUTES"; default: break; } @@ -2650,6 +2717,7 @@ get_section_type_name (unsigned int sh_type) case SHT_INIT_ARRAY: return "INIT_ARRAY"; case SHT_FINI_ARRAY: return "FINI_ARRAY"; case SHT_PREINIT_ARRAY: return "PREINIT_ARRAY"; + case SHT_GNU_HASH: return "GNU_HASH"; case SHT_GROUP: return "GROUP"; case SHT_SYMTAB_SHNDX: return "SYMTAB SECTION INDICIES"; case SHT_GNU_verdef: return "VERDEF"; @@ -2728,9 +2796,11 @@ static struct option options[] = {"arch-specific", no_argument, 0, 'A'}, {"version-info", no_argument, 0, 'V'}, {"use-dynamic", no_argument, 0, 'D'}, + {"unwind", no_argument, 0, 'u'}, + {"archive-index", no_argument, 0, 'c'}, {"hex-dump", required_argument, 0, 'x'}, {"debug-dump", optional_argument, 0, OPTION_DEBUG_DUMP}, - {"unwind", no_argument, 0, 'u'}, + {"string-dump", required_argument, 0, 'p'}, #ifdef SUPPORT_DISASSEMBLY {"instruction-dump", required_argument, 0, 'i'}, #endif @@ -2742,11 +2812,11 @@ static struct option options[] = }; static void -usage (void) +usage (FILE *stream) { - fprintf (stdout, _("Usage: readelf elf-file(s)\n")); - fprintf (stdout, _(" Display information about the contents of ELF format files\n")); - fprintf (stdout, _(" Options are:\n\ + fprintf (stream, _("Usage: readelf elf-file(s)\n")); + fprintf (stream, _(" Display information about the contents of ELF format files\n")); + fprintf (stream, _(" Options are:\n\ -a --all Equivalent to: -h -l -S -s -r -d -V -A -I\n\ -h --file-header Display the ELF file header\n\ -l --program-headers Display the program headers\n\ @@ -2764,24 +2834,31 @@ usage (void) -d --dynamic Display the dynamic section (if present)\n\ -V --version-info Display the version sections (if present)\n\ -A --arch-specific Display architecture specific information (if any).\n\ + -c --archive-index Display the symbol/file index in an archive\n\ -D --use-dynamic Use the dynamic section info when displaying symbols\n\ - -x --hex-dump= Dump the contents of section \n\ + -x --hex-dump=\n\ + Dump the contents of section as bytes\n\ + -p --string-dump=\n\ + Dump the contents of section as strings\n\ -w[liaprmfFsoR] or\n\ --debug-dump[=line,=info,=abbrev,=pubnames,=aranges,=macro,=frames,=str,=loc,=Ranges]\n\ Display the contents of DWARF2 debug sections\n")); #ifdef SUPPORT_DISASSEMBLY - fprintf (stdout, _("\ - -i --instruction-dump=\n\ - Disassemble the contents of section \n")); + fprintf (stream, _("\ + -i --instruction-dump=\n\ + Disassemble the contents of section \n")); #endif - fprintf (stdout, _("\ + fprintf (stream, _("\ -I --histogram Display histogram of bucket list lengths\n\ -W --wide Allow output width to exceed 80 characters\n\ + @ Read options from \n\ -H --help Display this information\n\ -v --version Display the version number of readelf\n")); - fprintf (stdout, _("Report bugs to %s\n"), REPORT_BUGS_TO); - exit (0); + if (REPORT_BUGS_TO[0] && stream == stdout) + fprintf (stdout, _("Report bugs to %s\n"), REPORT_BUGS_TO); + + exit (stream == stdout ? 0 : 1); } /* Record the fact that the user wants the contents of section number @@ -2790,20 +2867,20 @@ usage (void) the first time. */ static void -request_dump (unsigned int section, int type) +request_dump_bynumber (unsigned int section, dump_type type) { if (section >= num_dump_sects) { - char *new_dump_sects; + dump_type *new_dump_sects; - new_dump_sects = calloc (section + 1, 1); + new_dump_sects = calloc (section + 1, sizeof (* dump_sects)); if (new_dump_sects == NULL) - error (_("Out of memory allocating dump request table.")); + error (_("Out of memory allocating dump request table.\n")); else { /* Copy current flag settings. */ - memcpy (new_dump_sects, dump_sects, num_dump_sects); + memcpy (new_dump_sects, dump_sects, num_dump_sects * sizeof (* dump_sects)); free (dump_sects); @@ -2818,16 +2895,37 @@ request_dump (unsigned int section, int type) return; } +/* Request a dump by section name. */ + +static void +request_dump_byname (const char *section, dump_type type) +{ + struct dump_list_entry *new_request; + + new_request = malloc (sizeof (struct dump_list_entry)); + if (!new_request) + error (_("Out of memory allocating dump request table.\n")); + + new_request->name = strdup (section); + if (!new_request->name) + error (_("Out of memory allocating dump request table.\n")); + + new_request->type = type; + + new_request->next = dump_sects_byname; + dump_sects_byname = new_request; +} + static void parse_args (int argc, char **argv) { int c; if (argc < 2) - usage (); + usage (stderr); while ((c = getopt_long - (argc, argv, "ersuahnldSDAINtgw::x:i:vVWH", options, NULL)) != EOF) + (argc, argv, "ADHINSVWacdeghi:lnp:rstuvw::x:", options, NULL)) != EOF) { char *cp; int section; @@ -2838,7 +2936,7 @@ parse_args (int argc, char **argv) /* Long options. */ break; case 'H': - usage (); + usage (stdout); break; case 'a': @@ -2901,15 +2999,25 @@ parse_args (int argc, char **argv) case 'n': do_notes++; break; + case 'c': + do_archive_index++; + break; case 'x': do_dump++; section = strtoul (optarg, & cp, 0); if (! *cp && section >= 0) - { - request_dump (section, HEX_DUMP); - break; - } - goto oops; + request_dump_bynumber (section, HEX_DUMP); + else + request_dump_byname (optarg, HEX_DUMP); + break; + case 'p': + do_dump++; + section = strtoul (optarg, & cp, 0); + if (! *cp && section >= 0) + request_dump_bynumber (section, STRING_DUMP); + else + request_dump_byname (optarg, STRING_DUMP); + break; case 'w': do_dump++; if (optarg == 0) @@ -3057,11 +3165,9 @@ parse_args (int argc, char **argv) do_dump++; section = strtoul (optarg, & cp, 0); if (! *cp && section >= 0) - { - request_dump (section, DISASS_DUMP); - break; - } - goto oops; + request_dump_bynumber (section, DISASS_DUMP); + else + request_dump_byname (optarg, DISASS_DUMP); #endif case 'v': print_version (program_name); @@ -3073,24 +3179,23 @@ parse_args (int argc, char **argv) do_wide++; break; default: - oops: /* xgettext:c-format */ error (_("Invalid option '-%c'\n"), c); /* Drop through. */ case '?': - usage (); + usage (stderr); } } if (!do_dynamic && !do_syms && !do_reloc && !do_unwind && !do_sections && !do_segments && !do_header && !do_dump && !do_version && !do_histogram && !do_debugging && !do_arch && !do_notes - && !do_section_groups) - usage (); + && !do_section_groups && !do_archive_index) + usage (stderr); else if (argc < 3) { warn (_("Nothing to do.\n")); - usage (); + usage (stderr); } } @@ -3200,6 +3305,11 @@ process_file_header (void) (long) elf_header.e_shstrndx); if (section_headers != NULL && elf_header.e_shstrndx == SHN_XINDEX) printf (" (%ld)", (long) section_headers[0].sh_link); + else if (elf_header.e_shstrndx != SHN_UNDEF + && (elf_header.e_shstrndx >= elf_header.e_shnum + || (elf_header.e_shstrndx >= SHN_LORESERVE + && elf_header.e_shstrndx <= SHN_HIRESERVE))) + printf (" "); putc ('\n', stdout); } @@ -3209,6 +3319,11 @@ process_file_header (void) elf_header.e_shnum = section_headers[0].sh_size; if (elf_header.e_shstrndx == SHN_XINDEX) elf_header.e_shstrndx = section_headers[0].sh_link; + else if (elf_header.e_shstrndx != SHN_UNDEF + && (elf_header.e_shstrndx >= elf_header.e_shnum + || (elf_header.e_shstrndx >= SHN_LORESERVE + && elf_header.e_shstrndx <= SHN_HIRESERVE))) + elf_header.e_shstrndx = SHN_UNDEF; free (section_headers); section_headers = NULL; } @@ -3456,6 +3571,11 @@ process_program_headers (FILE *file) if (dynamic_addr) error (_("more than one dynamic segment\n")); + /* By default, assume that the .dynamic section is the first + section in the DYNAMIC segment. */ + dynamic_addr = segment->p_offset; + dynamic_size = segment->p_filesz; + /* Try to locate the .dynamic section. If there is a section header table, we can easily locate it. */ if (section_headers != NULL) @@ -3465,7 +3585,13 @@ process_program_headers (FILE *file) sec = find_section (".dynamic"); if (sec == NULL || sec->sh_size == 0) { - error (_("no .dynamic section in the dynamic segment")); + error (_("no .dynamic section in the dynamic segment\n")); + break; + } + + if (sec->sh_type == SHT_NOBITS) + { + dynamic_size = 0; break; } @@ -3474,16 +3600,11 @@ process_program_headers (FILE *file) if (dynamic_addr < segment->p_offset || dynamic_addr > segment->p_offset + segment->p_filesz) - warn (_("the .dynamic section is not contained within the dynamic segment")); + warn (_("the .dynamic section is not contained" + " within the dynamic segment\n")); else if (dynamic_addr > segment->p_offset) - warn (_("the .dynamic section is not the first section in the dynamic segment.")); - } - else - { - /* Otherwise, we can only assume that the .dynamic - section is the first section in the DYNAMIC segment. */ - dynamic_addr = segment->p_offset; - dynamic_size = segment->p_filesz; + warn (_("the .dynamic section is not the first section" + " in the dynamic segment.\n")); } break; @@ -3493,8 +3614,15 @@ process_program_headers (FILE *file) error (_("Unable to find program interpreter name\n")); else { + char fmt [32]; + int ret = snprintf (fmt, sizeof (fmt), "%%%ds", PATH_MAX); + + if (ret >= (int) sizeof (fmt) || ret < 0) + error (_("Internal error: failed to create format string to display program interpreter\n")); + program_interpreter[0] = 0; - fscanf (file, "%63s", program_interpreter); + if (fscanf (file, fmt, program_interpreter) <= 0) + error (_("Unable to read program interpreter name\n")); if (do_segments) printf (_("\n [Requesting program interpreter: %s]"), @@ -3524,21 +3652,7 @@ process_program_headers (FILE *file) for (j = 1; j < elf_header.e_shnum; j++, section++) { - if (section->sh_size > 0 - /* Compare allocated sections by VMA, unallocated - sections by file offset. */ - && (section->sh_flags & SHF_ALLOC - ? (section->sh_addr >= segment->p_vaddr - && section->sh_addr + section->sh_size - <= segment->p_vaddr + segment->p_memsz) - : ((bfd_vma) section->sh_offset >= segment->p_offset - && (section->sh_offset + section->sh_size - <= segment->p_offset + segment->p_filesz))) - /* .tbss is special. It doesn't contribute memory space - to normal segments. */ - && (!((section->sh_flags & SHF_TLS) != 0 - && section->sh_type == SHT_NOBITS) - || segment->p_type == PT_TLS)) + if (ELF_IS_SECTION_IN_SEGMENT_MEMORY(section, segment)) printf ("%s ", SECTION_NAME (section)); } @@ -3794,7 +3908,11 @@ get_elf_section_flags (bfd_vma sh_flags) { static char buff[1024]; char *p = buff; - int index, size = sizeof (buff) - (8 + 4 + 1); + int field_size = is_32bit_elf ? 8 : 16; + int index, size = sizeof (buff) - (field_size + 4 + 1); + bfd_vma os_flags = 0; + bfd_vma proc_flags = 0; + bfd_vma unknown_flags = 0; const struct { const char *str; @@ -3816,8 +3934,9 @@ get_elf_section_flags (bfd_vma sh_flags) if (do_section_details) { - sprintf (buff, "[%8.8lx]: ", (unsigned long) sh_flags); - p += 8 + 4; + sprintf (buff, "[%*.*lx]: ", + field_size, field_size, (unsigned long) sh_flags); + p += field_size + 4; } while (sh_flags) @@ -3847,38 +3966,26 @@ get_elf_section_flags (bfd_vma sh_flags) break; } - if (p != buff + 8 + 4) - { - if (size < 10 + 2) - abort (); - size -= 2; - *p++ = ','; - *p++ = ' '; - } - if (index != -1) { + if (p != buff + field_size + 4) + { + if (size < (10 + 2)) + abort (); + size -= 2; + *p++ = ','; + *p++ = ' '; + } + size -= flags [index].len; p = stpcpy (p, flags [index].str); } else if (flag & SHF_MASKOS) - { - size -= 5 + 8; - sprintf (p, "OS (%8.8lx)", (unsigned long) flag); - p += 5 + 8; - } + os_flags |= flag; else if (flag & SHF_MASKPROC) - { - size -= 7 + 8; - sprintf (p, "PROC (%8.8lx)", (unsigned long) flag); - p += 7 + 8; - } + proc_flags |= flag; else - { - size -= 10 + 8; - sprintf (p, "UNKNOWN (%8.8lx)", (unsigned long) flag); - p += 10 + 8; - } + unknown_flags |= flag; } else { @@ -3917,6 +4024,55 @@ get_elf_section_flags (bfd_vma sh_flags) } } + if (do_section_details) + { + if (os_flags) + { + size -= 5 + field_size; + if (p != buff + field_size + 4) + { + if (size < (2 + 1)) + abort (); + size -= 2; + *p++ = ','; + *p++ = ' '; + } + sprintf (p, "OS (%*.*lx)", field_size, field_size, + (unsigned long) os_flags); + p += 5 + field_size; + } + if (proc_flags) + { + size -= 7 + field_size; + if (p != buff + field_size + 4) + { + if (size < (2 + 1)) + abort (); + size -= 2; + *p++ = ','; + *p++ = ' '; + } + sprintf (p, "PROC (%*.*lx)", field_size, field_size, + (unsigned long) proc_flags); + p += 7 + field_size; + } + if (unknown_flags) + { + size -= 10 + field_size; + if (p != buff + field_size + 4) + { + if (size < (2 + 1)) + abort (); + size -= 2; + *p++ = ','; + *p++ = ' '; + } + sprintf (p, "UNKNOWN (%*.*lx)", field_size, field_size, + (unsigned long) unknown_flags); + p += 10 + field_size; + } + } + *p = '\0'; return buff; } @@ -3950,7 +4106,8 @@ process_section_headers (FILE *file) return 0; /* Read in the string table, so that we have names to display. */ - if (SECTION_HEADER_INDEX (elf_header.e_shstrndx) < elf_header.e_shnum) + if (elf_header.e_shstrndx != SHN_UNDEF + && SECTION_HEADER_INDEX (elf_header.e_shstrndx) < elf_header.e_shnum) { section = SECTION_HEADER (elf_header.e_shstrndx); @@ -3988,6 +4145,33 @@ process_section_headers (FILE *file) && find_section (".gcc_compiled_long32") == NULL) eh_addr_size = 8; break; + + case EM_H8_300: + case EM_H8_300H: + switch (elf_header.e_flags & EF_H8_MACH) + { + case E_H8_MACH_H8300: + case E_H8_MACH_H8300HN: + case E_H8_MACH_H8300SN: + case E_H8_MACH_H8300SXN: + eh_addr_size = 2; + break; + case E_H8_MACH_H8300H: + case E_H8_MACH_H8300S: + case E_H8_MACH_H8300SX: + eh_addr_size = 4; + break; + } + break; + + case EM_M32C: + switch (elf_header.e_flags & EF_M32C_CPU_MASK) + { + case EF_M32C_CPU_M16C: + eh_addr_size = 2; + break; + } + break; } #define CHECK_ENTSIZE_VALUES(section, i, size32, size64) \ @@ -4058,7 +4242,7 @@ process_section_headers (FILE *file) || do_debug_lines || do_debug_pubnames || do_debug_aranges || do_debug_frames || do_debug_macinfo || do_debug_str || do_debug_loc || do_debug_ranges) - && strneq (name, ".debug_", 7)) + && const_strneq (name, ".debug_")) { name += 7; @@ -4074,14 +4258,14 @@ process_section_headers (FILE *file) || (do_debug_str && streq (name, "str")) || (do_debug_loc && streq (name, "loc")) ) - request_dump (i, DEBUG_DUMP); + request_dump_bynumber (i, DEBUG_DUMP); } /* linkonce section to be combined with .debug_info at link time. */ else if ((do_debugging || do_debug_info) - && strneq (name, ".gnu.linkonce.wi.", 17)) - request_dump (i, DEBUG_DUMP); + && const_strneq (name, ".gnu.linkonce.wi.")) + request_dump_bynumber (i, DEBUG_DUMP); else if (do_debug_frames && streq (name, ".eh_frame")) - request_dump (i, DEBUG_DUMP); + request_dump_bynumber (i, DEBUG_DUMP); } if (! do_sections) @@ -4698,6 +4882,11 @@ struct absaddr bfd_vma offset; }; +#define ABSADDR(a) \ + ((a).section \ + ? section_headers [(a).section].sh_addr + (a).offset \ + : (a).offset) + struct ia64_unw_aux_info { struct ia64_unw_table_entry @@ -4790,7 +4979,7 @@ dump_ia64_unwind (struct ia64_unw_aux_info *aux) printf ("], info at +0x%lx\n", (unsigned long) (tp->info.offset - aux->seg_base)); - head = aux->info + (tp->info.offset - aux->info_addr); + head = aux->info + (ABSADDR (tp->info) - aux->info_addr); stamp = byte_get ((unsigned char *) head, sizeof (stamp)); printf (" v%u, flags=0x%lx (%s%s), len=%lu bytes\n", @@ -4881,8 +5070,7 @@ slurp_ia64_unwind_table (FILE *file, } free (table); - /* Third, apply any relocations to the unwind table: */ - + /* Third, apply any relocations to the unwind table: */ for (relsec = section_headers; relsec < section_headers + elf_header.e_shnum; ++relsec) @@ -4898,18 +5086,10 @@ slurp_ia64_unwind_table (FILE *file, for (rp = rela; rp < rela + nrelas; ++rp) { - if (is_32bit_elf) - { - relname = elf_ia64_reloc_type (ELF32_R_TYPE (rp->r_info)); - sym = aux->symtab + ELF32_R_SYM (rp->r_info); - } - else - { - relname = elf_ia64_reloc_type (ELF64_R_TYPE (rp->r_info)); - sym = aux->symtab + ELF64_R_SYM (rp->r_info); - } + relname = elf_ia64_reloc_type (get_reloc_type (rp->r_info)); + sym = aux->symtab + get_reloc_symindex (rp->r_info); - if (! strneq (relname, "R_IA64_SEGREL", 13)) + if (! const_strneq (relname, "R_IA64_SEGREL")) { warn (_("Skipping unexpected relocation type %s\n"), relname); continue; @@ -5294,7 +5474,6 @@ slurp_hppa_unwind_table (FILE *file, free (table); /* Third, apply any relocations to the unwind table. */ - for (relsec = section_headers; relsec < section_headers + elf_header.e_shnum; ++relsec) @@ -5310,19 +5489,11 @@ slurp_hppa_unwind_table (FILE *file, for (rp = rela; rp < rela + nrelas; ++rp) { - if (is_32bit_elf) - { - relname = elf_hppa_reloc_type (ELF32_R_TYPE (rp->r_info)); - sym = aux->symtab + ELF32_R_SYM (rp->r_info); - } - else - { - relname = elf_hppa_reloc_type (ELF64_R_TYPE (rp->r_info)); - sym = aux->symtab + ELF64_R_SYM (rp->r_info); - } + relname = elf_hppa_reloc_type (get_reloc_type (rp->r_info)); + sym = aux->symtab + get_reloc_symindex (rp->r_info); /* R_PARISC_SEGREL32 or R_PARISC_SEGREL64. */ - if (strncmp (relname, "R_PARISC_SEGREL", 15) != 0) + if (! const_strneq (relname, "R_PARISC_SEGREL")) { warn (_("Skipping unexpected relocation type %s\n"), relname); continue; @@ -5460,7 +5631,7 @@ dynamic_section_mips_val (Elf_Internal_Dyn *entry) }; unsigned int cnt; int first = 1; - for (cnt = 0; cnt < NUM_ELEM (opts); ++cnt) + for (cnt = 0; cnt < ARRAY_SIZE (opts); ++cnt) if (entry->d_un.d_val & (1 << cnt)) { printf ("%s%s", first ? "" : " ", opts[cnt]); @@ -5549,7 +5720,7 @@ dynamic_section_parisc_val (Elf_Internal_Dyn *entry) size_t cnt; bfd_vma val = entry->d_un.d_val; - for (cnt = 0; cnt < sizeof (flags) / sizeof (flags[0]); ++cnt) + for (cnt = 0; cnt < ARRAY_SIZE (flags); ++cnt) if (val & flags[cnt].bit) { if (! first) @@ -5760,7 +5931,7 @@ process_dynamic_section (FILE *file) else { if (fseek (file, 0, SEEK_END)) - error (_("Unable to seek to end of file!")); + error (_("Unable to seek to end of file!\n")); section.sh_size = ftell (file) - section.sh_offset; } @@ -6240,6 +6411,15 @@ process_dynamic_section (FILE *file) } break; + case DT_GNU_HASH: + dynamic_info_DT_GNU_HASH = entry->d_un.d_val; + if (do_dynamic) + { + print_vma (entry->d_un.d_val, PREFIX_HEX); + putchar ('\n'); + } + break; + default: if ((entry->d_tag >= DT_VERSYM) && (entry->d_tag <= DT_VERNEEDNUM)) version_info[DT_VERSIONTAGIDX (entry->d_tag)] = @@ -6320,6 +6500,7 @@ process_version_sections (FILE *file) Elf_External_Verdef *edefs; unsigned int idx; unsigned int cnt; + char *endbuf; found = 1; @@ -6339,6 +6520,7 @@ process_version_sections (FILE *file) edefs = get_data (NULL, file, section->sh_offset, 1, section->sh_size, _("version definition section")); + endbuf = (char *) edefs + section->sh_size; if (!edefs) break; @@ -6353,6 +6535,8 @@ process_version_sections (FILE *file) int isum; vstart = ((char *) edefs) + idx; + if (vstart + sizeof (*edef) > endbuf) + break; edef = (Elf_External_Verdef *) vstart; @@ -6390,6 +6574,8 @@ process_version_sections (FILE *file) vstart += aux.vda_next; eaux = (Elf_External_Verdaux *) vstart; + if (vstart + sizeof (*eaux) > endbuf) + break; aux.vda_name = BYTE_GET (eaux->vda_name); aux.vda_next = BYTE_GET (eaux->vda_next); @@ -6401,9 +6587,13 @@ process_version_sections (FILE *file) printf (_(" %#06x: Parent %d, name index: %ld\n"), isum, j, aux.vda_name); } + if (j < ent.vd_cnt) + printf (_(" Version def aux past end of section\n")); idx += ent.vd_next; } + if (cnt < section->sh_info) + printf (_(" Version definition past end of section\n")); free (edefs); } @@ -6414,6 +6604,7 @@ process_version_sections (FILE *file) Elf_External_Verneed *eneed; unsigned int idx; unsigned int cnt; + char *endbuf; found = 1; @@ -6432,6 +6623,7 @@ process_version_sections (FILE *file) eneed = get_data (NULL, file, section->sh_offset, 1, section->sh_size, _("version need section")); + endbuf = (char *) eneed + section->sh_size; if (!eneed) break; @@ -6444,6 +6636,8 @@ process_version_sections (FILE *file) char *vstart; vstart = ((char *) eneed) + idx; + if (vstart + sizeof (*entry) > endbuf) + break; entry = (Elf_External_Verneed *) vstart; @@ -6469,6 +6663,8 @@ process_version_sections (FILE *file) Elf_External_Vernaux *eaux; Elf_Internal_Vernaux aux; + if (vstart + sizeof (*eaux) > endbuf) + break; eaux = (Elf_External_Vernaux *) vstart; aux.vna_hash = BYTE_GET (eaux->vna_hash); @@ -6490,9 +6686,13 @@ process_version_sections (FILE *file) isum += aux.vna_next; vstart += aux.vna_next; } + if (j < ent.vn_cnt) + printf (_(" Version need aux past end of section\n")); idx += ent.vn_next; } + if (cnt < section->sh_info) + printf (_(" Version need past end of section\n")); free (eneed); } @@ -6637,7 +6837,10 @@ process_version_sections (FILE *file) { ivna.vna_name = BYTE_GET (evna.vna_name); - name = strtab + ivna.vna_name; + if (ivna.vna_name >= string_sec->sh_size) + name = _("*invalid*"); + else + name = strtab + ivna.vna_name; nn += printf ("(%s%-*s", name, 12 - (int) strlen (name), @@ -6689,7 +6892,10 @@ process_version_sections (FILE *file) ivda.vda_name = BYTE_GET (evda.vda_name); - name = strtab + ivda.vda_name; + if (ivda.vda_name >= string_sec->sh_size) + name = _("*invalid*"); + else + name = strtab + ivda.vda_name; nn += printf ("(%s%-*s", name, 12 - (int) strlen (name), @@ -6757,6 +6963,8 @@ get_symbol_type (unsigned int type) case STT_FILE: return "FILE"; case STT_COMMON: return "COMMON"; case STT_TLS: return "TLS"; + case STT_RELC: return "RELC"; + case STT_SRELC: return "SRELC"; default: if (type >= STT_LOPROC && type <= STT_HIPROC) { @@ -6802,6 +7010,41 @@ get_symbol_visibility (unsigned int visibility) } } +static const char * +get_mips_symbol_other (unsigned int other) +{ + switch (other) + { + case STO_OPTIONAL: return "OPTIONAL"; + case STO_MIPS16: return "MIPS16"; + default: return NULL; + } +} + +static const char * +get_symbol_other (unsigned int other) +{ + const char * result = NULL; + static char buff [32]; + + if (other == 0) + return ""; + + switch (elf_header.e_machine) + { + case EM_MIPS: + result = get_mips_symbol_other (other); + default: + break; + } + + if (result) + return result; + + snprintf (buff, sizeof buff, _(": %x"), other); + return buff; +} + static const char * get_symbol_index_type (unsigned int type) { @@ -6820,6 +7063,12 @@ get_symbol_index_type (unsigned int type) else if (elf_header.e_machine == EM_X86_64 && type == SHN_X86_64_LCOMMON) return "LARGE_COM"; + else if (type == SHN_MIPS_SCOMMON + && elf_header.e_machine == EM_MIPS) + return "SCOM"; + else if (type == SHN_MIPS_SUNDEFINED + && elf_header.e_machine == EM_MIPS) + return "SUND"; else if (type >= SHN_LOPROC && type <= SHN_HIPROC) sprintf (buff, "PRC[0x%04x]", type); else if (type >= SHN_LOOS && type <= SHN_HIOS) @@ -6871,6 +7120,39 @@ get_dynamic_data (FILE *file, unsigned int number, unsigned int ent_size) return i_data; } +static void +print_dynamic_symbol (bfd_vma si, unsigned long hn) +{ + Elf_Internal_Sym *psym; + int n; + + psym = dynamic_symbols + si; + + n = print_vma (si, DEC_5); + if (n < 5) + fputs (" " + n, stdout); + printf (" %3lu: ", hn); + print_vma (psym->st_value, LONG_HEX); + putchar (' '); + print_vma (psym->st_size, DEC_5); + + printf (" %6s", get_symbol_type (ELF_ST_TYPE (psym->st_info))); + printf (" %6s", get_symbol_binding (ELF_ST_BIND (psym->st_info))); + printf (" %3s", get_symbol_visibility (ELF_ST_VISIBILITY (psym->st_other))); + /* Check to see if any other bits in the st_other field are set. + Note - displaying this information disrupts the layout of the + table being generated, but for the moment this case is very + rare. */ + if (psym->st_other ^ ELF_ST_VISIBILITY (psym->st_other)) + printf (" [%s] ", get_symbol_other (psym->st_other ^ ELF_ST_VISIBILITY (psym->st_other))); + printf (" %3.3s ", get_symbol_index_type (psym->st_shndx)); + if (VALID_DYNAMIC_NAME (psym->st_name)) + print_symbol (25, GET_DYNAMIC_NAME (psym->st_name)); + else + printf (" ", psym->st_name); + putchar ('\n'); +} + /* Dump the symbol table. */ static int process_symbol_table (FILE *file) @@ -6880,12 +7162,17 @@ process_symbol_table (FILE *file) bfd_vma nchains = 0; bfd_vma *buckets = NULL; bfd_vma *chains = NULL; + bfd_vma ngnubuckets = 0; + bfd_vma *gnubuckets = NULL; + bfd_vma *gnuchains = NULL; + bfd_vma gnusymidx = 0; if (! do_syms && !do_histogram) return 1; - if (dynamic_info[DT_HASH] && ((do_using_dynamic && dynamic_strings != NULL) - || do_histogram)) + if (dynamic_info[DT_HASH] + && (do_histogram + || (do_using_dynamic && dynamic_strings != NULL))) { unsigned char nb[8]; unsigned char nc[8]; @@ -6903,7 +7190,7 @@ process_symbol_table (FILE *file) sizeof nb + sizeof nc)), SEEK_SET)) { - error (_("Unable to seek to start of dynamic information")); + error (_("Unable to seek to start of dynamic information\n")); return 0; } @@ -6929,53 +7216,161 @@ process_symbol_table (FILE *file) return 0; } - if (do_syms - && dynamic_info[DT_HASH] && do_using_dynamic && dynamic_strings != NULL) + if (dynamic_info_DT_GNU_HASH + && (do_histogram + || (do_using_dynamic && dynamic_strings != NULL))) { - unsigned long hn; - bfd_vma si; + unsigned char nb[16]; + bfd_vma i, maxchain = 0xffffffff, bitmaskwords; + bfd_vma buckets_vma; + + if (fseek (file, + (archive_file_offset + + offset_from_vma (file, dynamic_info_DT_GNU_HASH, + sizeof nb)), + SEEK_SET)) + { + error (_("Unable to seek to start of dynamic information\n")); + return 0; + } + + if (fread (nb, 16, 1, file) != 1) + { + error (_("Failed to read in number of buckets\n")); + return 0; + } - printf (_("\nSymbol table for image:\n")); + ngnubuckets = byte_get (nb, 4); + gnusymidx = byte_get (nb + 4, 4); + bitmaskwords = byte_get (nb + 8, 4); + buckets_vma = dynamic_info_DT_GNU_HASH + 16; if (is_32bit_elf) - printf (_(" Num Buc: Value Size Type Bind Vis Ndx Name\n")); + buckets_vma += bitmaskwords * 4; else - printf (_(" Num Buc: Value Size Type Bind Vis Ndx Name\n")); + buckets_vma += bitmaskwords * 8; - for (hn = 0; hn < nbuckets; hn++) + if (fseek (file, + (archive_file_offset + + offset_from_vma (file, buckets_vma, 4)), + SEEK_SET)) { - if (! buckets[hn]) - continue; + error (_("Unable to seek to start of dynamic information\n")); + return 0; + } - for (si = buckets[hn]; si < nchains && si > 0; si = chains[si]) - { - Elf_Internal_Sym *psym; - int n; + gnubuckets = get_dynamic_data (file, ngnubuckets, 4); - psym = dynamic_symbols + si; + if (gnubuckets == NULL) + return 0; - n = print_vma (si, DEC_5); - if (n < 5) - fputs (" " + n, stdout); - printf (" %3lu: ", hn); - print_vma (psym->st_value, LONG_HEX); - putchar (' '); - print_vma (psym->st_size, DEC_5); + for (i = 0; i < ngnubuckets; i++) + if (gnubuckets[i] != 0) + { + if (gnubuckets[i] < gnusymidx) + return 0; - printf (" %6s", get_symbol_type (ELF_ST_TYPE (psym->st_info))); - printf (" %6s", get_symbol_binding (ELF_ST_BIND (psym->st_info))); - printf (" %3s", get_symbol_visibility (ELF_ST_VISIBILITY (psym->st_other))); - printf (" %3.3s ", get_symbol_index_type (psym->st_shndx)); - if (VALID_DYNAMIC_NAME (psym->st_name)) - print_symbol (25, GET_DYNAMIC_NAME (psym->st_name)); - else - printf (" ", psym->st_name); - putchar ('\n'); - } - } - } - else if (do_syms && !do_using_dynamic) - { - unsigned int i; + if (maxchain == 0xffffffff || gnubuckets[i] > maxchain) + maxchain = gnubuckets[i]; + } + + if (maxchain == 0xffffffff) + return 0; + + maxchain -= gnusymidx; + + if (fseek (file, + (archive_file_offset + + offset_from_vma (file, buckets_vma + + 4 * (ngnubuckets + maxchain), 4)), + SEEK_SET)) + { + error (_("Unable to seek to start of dynamic information\n")); + return 0; + } + + do + { + if (fread (nb, 4, 1, file) != 1) + { + error (_("Failed to determine last chain length\n")); + return 0; + } + + if (maxchain + 1 == 0) + return 0; + + ++maxchain; + } + while ((byte_get (nb, 4) & 1) == 0); + + if (fseek (file, + (archive_file_offset + + offset_from_vma (file, buckets_vma + 4 * ngnubuckets, 4)), + SEEK_SET)) + { + error (_("Unable to seek to start of dynamic information\n")); + return 0; + } + + gnuchains = get_dynamic_data (file, maxchain, 4); + + if (gnuchains == NULL) + return 0; + } + + if ((dynamic_info[DT_HASH] || dynamic_info_DT_GNU_HASH) + && do_syms + && do_using_dynamic + && dynamic_strings != NULL) + { + unsigned long hn; + + if (dynamic_info[DT_HASH]) + { + bfd_vma si; + + printf (_("\nSymbol table for image:\n")); + if (is_32bit_elf) + printf (_(" Num Buc: Value Size Type Bind Vis Ndx Name\n")); + else + printf (_(" Num Buc: Value Size Type Bind Vis Ndx Name\n")); + + for (hn = 0; hn < nbuckets; hn++) + { + if (! buckets[hn]) + continue; + + for (si = buckets[hn]; si < nchains && si > 0; si = chains[si]) + print_dynamic_symbol (si, hn); + } + } + + if (dynamic_info_DT_GNU_HASH) + { + printf (_("\nSymbol table of `.gnu.hash' for image:\n")); + if (is_32bit_elf) + printf (_(" Num Buc: Value Size Type Bind Vis Ndx Name\n")); + else + printf (_(" Num Buc: Value Size Type Bind Vis Ndx Name\n")); + + for (hn = 0; hn < ngnubuckets; ++hn) + if (gnubuckets[hn] != 0) + { + bfd_vma si = gnubuckets[hn]; + bfd_vma off = si - gnusymidx; + + do + { + print_dynamic_symbol (si, hn); + si++; + } + while ((gnuchains[off++] & 1) == 0); + } + } + } + else if (do_syms && !do_using_dynamic) + { + unsigned int i; for (i = 0, section = section_headers; i < elf_header.e_shnum; @@ -7031,6 +7426,11 @@ process_symbol_table (FILE *file) printf (" %-7s", get_symbol_type (ELF_ST_TYPE (psym->st_info))); printf (" %-6s", get_symbol_binding (ELF_ST_BIND (psym->st_info))); printf (" %-3s", get_symbol_visibility (ELF_ST_VISIBILITY (psym->st_other))); + /* Check to see if any other bits in the st_other field are set. + Note - displaying this information disrupts the layout of the + table being generated, but for the moment this case is very rare. */ + if (psym->st_other ^ ELF_ST_VISIBILITY (psym->st_other)) + printf (" [%s] ", get_symbol_other (psym->st_other ^ ELF_ST_VISIBILITY (psym->st_other))); printf (" %4s ", get_symbol_index_type (psym->st_shndx)); print_symbol (25, psym->st_name < strtab_size ? strtab + psym->st_name : ""); @@ -7119,7 +7519,7 @@ process_symbol_table (FILE *file) check_def = 0; } else if (! is_nobits) - error (_("bad dynamic symbol")); + error (_("bad dynamic symbol\n")); else check_def = 1; } @@ -7202,7 +7602,7 @@ process_symbol_table (FILE *file) lengths = calloc (nbuckets, sizeof (*lengths)); if (lengths == NULL) { - error (_("Out of memory")); + error (_("Out of memory\n")); return 0; } for (hn = 0; hn < nbuckets; ++hn) @@ -7218,7 +7618,7 @@ process_symbol_table (FILE *file) counts = calloc (maxlength + 1, sizeof (*counts)); if (counts == NULL) { - error (_("Out of memory")); + error (_("Out of memory\n")); return 0; } @@ -7249,6 +7649,70 @@ process_symbol_table (FILE *file) free (chains); } + if (do_histogram && dynamic_info_DT_GNU_HASH) + { + unsigned long *lengths; + unsigned long *counts; + unsigned long hn; + unsigned long maxlength = 0; + unsigned long nzero_counts = 0; + unsigned long nsyms = 0; + + lengths = calloc (ngnubuckets, sizeof (*lengths)); + if (lengths == NULL) + { + error (_("Out of memory\n")); + return 0; + } + + printf (_("\nHistogram for `.gnu.hash' bucket list length (total of %lu buckets):\n"), + (unsigned long) ngnubuckets); + printf (_(" Length Number %% of total Coverage\n")); + + for (hn = 0; hn < ngnubuckets; ++hn) + if (gnubuckets[hn] != 0) + { + bfd_vma off, length = 1; + + for (off = gnubuckets[hn] - gnusymidx; + (gnuchains[off] & 1) == 0; ++off) + ++length; + lengths[hn] = length; + if (length > maxlength) + maxlength = length; + nsyms += length; + } + + counts = calloc (maxlength + 1, sizeof (*counts)); + if (counts == NULL) + { + error (_("Out of memory\n")); + return 0; + } + + for (hn = 0; hn < ngnubuckets; ++hn) + ++counts[lengths[hn]]; + + if (ngnubuckets > 0) + { + unsigned long j; + printf (" 0 %-10lu (%5.1f%%)\n", + counts[0], (counts[0] * 100.0) / ngnubuckets); + for (j = 1; j <= maxlength; ++j) + { + nzero_counts += counts[j] * j; + printf ("%7lu %-10lu (%5.1f%%) %5.1f%%\n", + j, counts[j], (counts[j] * 100.0) / ngnubuckets, + (nzero_counts * 100.0) / nsyms); + } + } + + free (counts); + free (lengths); + free (gnubuckets); + free (gnuchains); + } + return 1; } @@ -7332,8 +7796,90 @@ disassemble_section (Elf_Internal_Shdr *section, FILE *file) #endif static int -dump_section (Elf_Internal_Shdr *section, FILE *file) +dump_section_as_strings (Elf_Internal_Shdr *section, FILE *file) +{ + Elf_Internal_Shdr *relsec; + bfd_size_type num_bytes; + bfd_vma addr; + char *data; + char *end; + char *start; + char *name = SECTION_NAME (section); + bfd_boolean some_strings_shown; + + num_bytes = section->sh_size; + + if (num_bytes == 0 || section->sh_type == SHT_NOBITS) + { + printf (_("\nSection '%s' has no data to dump.\n"), name); + return 0; + } + + addr = section->sh_addr; + + start = get_data (NULL, file, section->sh_offset, 1, num_bytes, + _("section data")); + if (!start) + return 0; + + printf (_("\nString dump of section '%s':\n"), name); + + /* If the section being dumped has relocations against it the user might + be expecting these relocations to have been applied. Check for this + case and issue a warning message in order to avoid confusion. + FIXME: Maybe we ought to have an option that dumps a section with + relocs applied ? */ + for (relsec = section_headers; + relsec < section_headers + elf_header.e_shnum; + ++relsec) + { + if ((relsec->sh_type != SHT_RELA && relsec->sh_type != SHT_REL) + || SECTION_HEADER_INDEX (relsec->sh_info) >= elf_header.e_shnum + || SECTION_HEADER (relsec->sh_info) != section + || relsec->sh_size == 0 + || SECTION_HEADER_INDEX (relsec->sh_link) >= elf_header.e_shnum) + continue; + + printf (_(" Note: This section has relocations against it, but these have NOT been applied to this dump.\n")); + break; + } + + data = start; + end = start + num_bytes; + some_strings_shown = FALSE; + + while (data < end) + { + while (!ISPRINT (* data)) + if (++ data >= end) + break; + + if (data < end) + { +#ifndef __MSVCRT__ + printf (" [%6tx] %s\n", data - start, data); +#else + printf (" [%6Ix] %s\n", (size_t) (data - start), data); +#endif + data += strlen (data); + some_strings_shown = TRUE; + } + } + + if (! some_strings_shown) + printf (_(" No strings found in this section.")); + + free (start); + + putchar ('\n'); + return 1; +} + + +static int +dump_section_as_bytes (Elf_Internal_Shdr *section, FILE *file) { + Elf_Internal_Shdr *relsec; bfd_size_type bytes; bfd_vma addr; unsigned char *data; @@ -7357,6 +7903,26 @@ dump_section (Elf_Internal_Shdr *section, FILE *file) if (!start) return 0; + /* If the section being dumped has relocations against it the user might + be expecting these relocations to have been applied. Check for this + case and issue a warning message in order to avoid confusion. + FIXME: Maybe we ought to have an option that dumps a section with + relocs applied ? */ + for (relsec = section_headers; + relsec < section_headers + elf_header.e_shnum; + ++relsec) + { + if ((relsec->sh_type != SHT_RELA && relsec->sh_type != SHT_REL) + || SECTION_HEADER_INDEX (relsec->sh_info) >= elf_header.e_shnum + || SECTION_HEADER (relsec->sh_info) != section + || relsec->sh_size == 0 + || SECTION_HEADER_INDEX (relsec->sh_link) >= elf_header.e_shnum) + continue; + + printf (_(" NOTE: This section has relocations against it, but these have NOT been applied to this dump.\n")); + break; + } + data = start; while (bytes) @@ -7369,34 +7935,15 @@ dump_section (Elf_Internal_Shdr *section, FILE *file) printf (" 0x%8.8lx ", (unsigned long) addr); - switch (elf_header.e_ident[EI_DATA]) + for (j = 0; j < 16; j++) { - default: - case ELFDATA2LSB: - for (j = 15; j >= 0; j --) - { - if (j < lbytes) - printf ("%2.2x", data[j]); - else - printf (" "); - - if (!(j & 0x3)) - printf (" "); - } - break; - - case ELFDATA2MSB: - for (j = 0; j < 16; j++) - { - if (j < lbytes) - printf ("%2.2x", data[j]); - else - printf (" "); + if (j < lbytes) + printf ("%2.2x", data[j]); + else + printf (" "); - if ((j & 3) == 3) - printf (" "); - } - break; + if ((j & 3) == 3) + printf (" "); } for (j = 0; j < lbytes; j++) @@ -7417,3898 +7964,1118 @@ dump_section (Elf_Internal_Shdr *section, FILE *file) free (start); + putchar ('\n'); return 1; } +/* Returns TRUE iff RELOC_TYPE is a 32-bit absolute RELA relocation used in + DWARF debug sections. This is a target specific test. Note - we do not + go through the whole including-target-headers-multiple-times route, (as + we have already done with ) because this would become very + messy and even then this function would have to contain target specific + information (the names of the relocs instead of their numeric values). + FIXME: This is not the correct way to solve this problem. The proper way + is to have target specific reloc sizing and typing functions created by + the reloc-macros.h header, in the same way that it already creates the + reloc naming functions. */ -static unsigned long int -read_leb128 (unsigned char *data, unsigned int *length_return, int sign) +static bfd_boolean +is_32bit_abs_reloc (unsigned int reloc_type) { - unsigned long int result = 0; - unsigned int num_read = 0; - unsigned int shift = 0; - unsigned char byte; - - do + switch (elf_header.e_machine) { - byte = *data++; - num_read++; - - result |= ((unsigned long int) (byte & 0x7f)) << shift; - - shift += 7; + case EM_386: + case EM_486: + return reloc_type == 1; /* R_386_32. */ + case EM_68K: + return reloc_type == 1; /* R_68K_32. */ + case EM_860: + return reloc_type == 1; /* R_860_32. */ + case EM_ALPHA: + return reloc_type == 1; /* XXX Is this right ? */ + case EM_ARC: + return reloc_type == 1; /* R_ARC_32. */ + case EM_ARM: + return reloc_type == 2; /* R_ARM_ABS32 */ + case EM_AVR_OLD: + case EM_AVR: + return reloc_type == 1; + case EM_BLACKFIN: + return reloc_type == 0x12; /* R_byte4_data. */ + case EM_CRIS: + return reloc_type == 3; /* R_CRIS_32. */ + case EM_CR16: + return reloc_type == 3; /* R_CR16_NUM32. */ + case EM_CRX: + return reloc_type == 15; /* R_CRX_NUM32. */ + case EM_CYGNUS_FRV: + return reloc_type == 1; + case EM_CYGNUS_D10V: + case EM_D10V: + return reloc_type == 6; /* R_D10V_32. */ + case EM_CYGNUS_D30V: + case EM_D30V: + return reloc_type == 12; /* R_D30V_32_NORMAL. */ + case EM_DLX: + return reloc_type == 3; /* R_DLX_RELOC_32. */ + case EM_CYGNUS_FR30: + case EM_FR30: + return reloc_type == 3; /* R_FR30_32. */ + case EM_H8S: + case EM_H8_300: + case EM_H8_300H: + return reloc_type == 1; /* R_H8_DIR32. */ + case EM_IA_64: + return reloc_type == 0x65; /* R_IA64_SECREL32LSB. */ + case EM_IP2K_OLD: + case EM_IP2K: + return reloc_type == 2; /* R_IP2K_32. */ + case EM_IQ2000: + return reloc_type == 2; /* R_IQ2000_32. */ + case EM_M32C: + return reloc_type == 3; /* R_M32C_32. */ + case EM_M32R: + return reloc_type == 34; /* R_M32R_32_RELA. */ + case EM_MCORE: + return reloc_type == 1; /* R_MCORE_ADDR32. */ + case EM_CYGNUS_MEP: + return reloc_type == 4; /* R_MEP_32. */ + case EM_MIPS: + return reloc_type == 2; /* R_MIPS_32. */ + case EM_MMIX: + return reloc_type == 4; /* R_MMIX_32. */ + case EM_CYGNUS_MN10200: + case EM_MN10200: + return reloc_type == 1; /* R_MN10200_32. */ + case EM_CYGNUS_MN10300: + case EM_MN10300: + return reloc_type == 1; /* R_MN10300_32. */ + case EM_MSP430_OLD: + case EM_MSP430: + return reloc_type == 1; /* R_MSP43_32. */ + case EM_MT: + return reloc_type == 2; /* R_MT_32. */ + case EM_ALTERA_NIOS2: + case EM_NIOS32: + return reloc_type == 1; /* R_NIOS_32. */ + case EM_OPENRISC: + case EM_OR32: + return reloc_type == 1; /* R_OR32_32. */ + case EM_PARISC: + return reloc_type == 1; /* R_PARISC_DIR32. */ + case EM_PJ: + case EM_PJ_OLD: + return reloc_type == 1; /* R_PJ_DATA_DIR32. */ + case EM_PPC64: + return reloc_type == 1; /* R_PPC64_ADDR32. */ + case EM_PPC: + return reloc_type == 1; /* R_PPC_ADDR32. */ + case EM_S370: + return reloc_type == 1; /* R_I370_ADDR31. */ + case EM_S390_OLD: + case EM_S390: + return reloc_type == 4; /* R_S390_32. */ + case EM_SCORE: + return reloc_type == 8; /* R_SCORE_ABS32. */ + case EM_SH: + return reloc_type == 1; /* R_SH_DIR32. */ + case EM_SPARC32PLUS: + case EM_SPARCV9: + case EM_SPARC: + return reloc_type == 3 /* R_SPARC_32. */ + || reloc_type == 23; /* R_SPARC_UA32. */ + case EM_SPU: + return reloc_type == 6; /* R_SPU_ADDR32 */ + case EM_CYGNUS_V850: + case EM_V850: + return reloc_type == 6; /* R_V850_ABS32. */ + case EM_VAX: + return reloc_type == 1; /* R_VAX_32. */ + case EM_X86_64: + return reloc_type == 10; /* R_X86_64_32. */ + case EM_XSTORMY16: + return reloc_type == 1; /* R_XSTROMY16_32. */ + case EM_XTENSA_OLD: + case EM_XTENSA: + return reloc_type == 1; /* R_XTENSA_32. */ + default: + error (_("Missing knowledge of 32-bit reloc types used in DWARF sections of machine number %d\n"), + elf_header.e_machine); + abort (); } - while (byte & 0x80); - - if (length_return != NULL) - *length_return = num_read; - - if (sign && (shift < 8 * sizeof (result)) && (byte & 0x40)) - result |= -1L << shift; - - return result; } -typedef struct State_Machine_Registers -{ - unsigned long address; - unsigned int file; - unsigned int line; - unsigned int column; - int is_stmt; - int basic_block; - int end_sequence; -/* This variable hold the number of the last entry seen - in the File Table. */ - unsigned int last_file_entry; -} SMR; - -static SMR state_machine_regs; +/* Like is_32bit_abs_reloc except that it returns TRUE iff RELOC_TYPE is + a 32-bit pc-relative RELA relocation used in DWARF debug sections. */ -static void -reset_state_machine (int is_stmt) +static bfd_boolean +is_32bit_pcrel_reloc (unsigned int reloc_type) { - state_machine_regs.address = 0; - state_machine_regs.file = 1; - state_machine_regs.line = 1; - state_machine_regs.column = 0; - state_machine_regs.is_stmt = is_stmt; - state_machine_regs.basic_block = 0; - state_machine_regs.end_sequence = 0; - state_machine_regs.last_file_entry = 0; -} - -/* Handled an extend line op. - Returns the number of bytes read. */ - -static int -process_extended_line_op (unsigned char *data, int is_stmt, int pointer_size) -{ - unsigned char op_code; - unsigned int bytes_read; - unsigned int len; - unsigned char *name; - unsigned long adr; - - len = read_leb128 (data, & bytes_read, 0); - data += bytes_read; - - if (len == 0) - { - warn (_("badly formed extended line op encountered!\n")); - return bytes_read; - } - - len += bytes_read; - op_code = *data++; - - printf (_(" Extended opcode %d: "), op_code); - - switch (op_code) + switch (elf_header.e_machine) { - case DW_LNE_end_sequence: - printf (_("End of Sequence\n\n")); - reset_state_machine (is_stmt); - break; - - case DW_LNE_set_address: - adr = byte_get (data, pointer_size); - printf (_("set Address to 0x%lx\n"), adr); - state_machine_regs.address = adr; - break; - - case DW_LNE_define_file: - printf (_(" define new File Table entry\n")); - printf (_(" Entry\tDir\tTime\tSize\tName\n")); - - printf (_(" %d\t"), ++state_machine_regs.last_file_entry); - name = data; - data += strlen ((char *) data) + 1; - printf (_("%lu\t"), read_leb128 (data, & bytes_read, 0)); - data += bytes_read; - printf (_("%lu\t"), read_leb128 (data, & bytes_read, 0)); - data += bytes_read; - printf (_("%lu\t"), read_leb128 (data, & bytes_read, 0)); - printf (_("%s\n\n"), name); - break; - + case EM_386: + case EM_486: + return reloc_type == 2; /* R_386_PC32. */ + case EM_68K: + return reloc_type == 4; /* R_68K_PC32. */ + case EM_ALPHA: + return reloc_type == 10; /* R_ALPHA_SREL32. */ + case EM_ARM: + return reloc_type == 3; /* R_ARM_REL32 */ + case EM_PARISC: + return reloc_type == 0; /* R_PARISC_NONE. *//* FIXME: This reloc is generated, but it may be a bug. */ + case EM_PPC: + return reloc_type == 26; /* R_PPC_REL32. */ + case EM_PPC64: + return reloc_type == 26; /* R_PPC64_REL32. */ + case EM_S390_OLD: + case EM_S390: + return reloc_type == 5; /* R_390_PC32. */ + case EM_SH: + return reloc_type == 2; /* R_SH_REL32. */ + case EM_SPARC32PLUS: + case EM_SPARCV9: + case EM_SPARC: + return reloc_type == 6; /* R_SPARC_DISP32. */ + case EM_SPU: + return reloc_type == 13; /* R_SPU_REL32. */ + case EM_X86_64: + return reloc_type == 2; /* R_X86_64_PC32. */ + case EM_XTENSA_OLD: + case EM_XTENSA: + return reloc_type == 14; /* R_XTENSA_32_PCREL. */ default: - printf (_("UNKNOWN: length %d\n"), len - bytes_read); - break; + /* Do not abort or issue an error message here. Not all targets use + pc-relative 32-bit relocs in their DWARF debug information and we + have already tested for target coverage in is_32bit_abs_reloc. A + more helpful warning message will be generated by + debug_apply_relocations anyway, so just return. */ + return FALSE; } - - return len; -} - -static const char *debug_str_contents; -static bfd_vma debug_str_size; - -static void -load_debug_str (FILE *file) -{ - Elf_Internal_Shdr *sec; - - /* If it is already loaded, do nothing. */ - if (debug_str_contents != NULL) - return; - - /* Locate the .debug_str section. */ - sec = find_section (".debug_str"); - if (sec == NULL) - return; - - debug_str_size = sec->sh_size; - - debug_str_contents = get_data (NULL, file, sec->sh_offset, 1, sec->sh_size, - _("debug_str section data")); } -static void -free_debug_str (void) -{ - if (debug_str_contents == NULL) - return; - - free ((char *) debug_str_contents); - debug_str_contents = NULL; - debug_str_size = 0; -} +/* Like is_32bit_abs_reloc except that it returns TRUE iff RELOC_TYPE is + a 64-bit absolute RELA relocation used in DWARF debug sections. */ -static const char * -fetch_indirect_string (unsigned long offset) +static bfd_boolean +is_64bit_abs_reloc (unsigned int reloc_type) { - if (debug_str_contents == NULL) - return _(""); - - if (offset > debug_str_size) + switch (elf_header.e_machine) { - warn (_("DW_FORM_strp offset too big: %lx\n"), offset); - return _(""); + case EM_ALPHA: + return reloc_type == 2; /* R_ALPHA_REFQUAD. */ + case EM_IA_64: + return reloc_type == 0x27; /* R_IA64_DIR64LSB. */ + case EM_PARISC: + return reloc_type == 80; /* R_PARISC_DIR64. */ + case EM_PPC64: + return reloc_type == 38; /* R_PPC64_ADDR64. */ + case EM_SPARC32PLUS: + case EM_SPARCV9: + case EM_SPARC: + return reloc_type == 54; /* R_SPARC_UA64. */ + case EM_X86_64: + return reloc_type == 1; /* R_X86_64_64. */ + case EM_S390_OLD: + case EM_S390: + return reloc_type == 22; /* R_S390_64 */ + default: + return FALSE; } - - return debug_str_contents + offset; -} - -static const char *debug_loc_contents; -static bfd_vma debug_loc_size; - -static void -load_debug_loc (FILE *file) -{ - Elf_Internal_Shdr *sec; - - /* If it is already loaded, do nothing. */ - if (debug_loc_contents != NULL) - return; - - /* Locate the .debug_loc section. */ - sec = find_section (".debug_loc"); - if (sec == NULL) - return; - - debug_loc_size = sec->sh_size; - - debug_loc_contents = get_data (NULL, file, sec->sh_offset, 1, sec->sh_size, - _("debug_loc section data")); -} - -static void -free_debug_loc (void) -{ - if (debug_loc_contents == NULL) - return; - - free ((char *) debug_loc_contents); - debug_loc_contents = NULL; - debug_loc_size = 0; } -static const char * debug_range_contents; -static unsigned long debug_range_size; - -static void -load_debug_range (FILE *file) -{ - Elf_Internal_Shdr *sec; - - /* If it is already loaded, do nothing. */ - if (debug_range_contents != NULL) - return; - - /* Locate the .debug_ranges section. */ - sec = find_section (".debug_ranges"); - if (sec == NULL) - return; - - debug_range_size = sec->sh_size; - - debug_range_contents = get_data (NULL, file, sec->sh_offset, 1, sec->sh_size, - _("debug_range section data")); -} +/* Like is_32bit_abs_reloc except that it returns TRUE iff RELOC_TYPE is + a 16-bit absolute RELA relocation used in DWARF debug sections. */ -static void -free_debug_range (void) +static bfd_boolean +is_16bit_abs_reloc (unsigned int reloc_type) { - if (debug_range_contents == NULL) - return; - - free ((char *) debug_range_contents); - debug_range_contents = NULL; - debug_range_size = 0; + switch (elf_header.e_machine) + { + case EM_AVR_OLD: + case EM_AVR: + return reloc_type == 4; /* R_AVR_16. */ + case EM_CYGNUS_D10V: + case EM_D10V: + return reloc_type == 3; /* R_D10V_16. */ + case EM_H8S: + case EM_H8_300: + case EM_H8_300H: + return reloc_type == R_H8_DIR16; + case EM_IP2K_OLD: + case EM_IP2K: + return reloc_type == 1; /* R_IP2K_16. */ + case EM_M32C: + return reloc_type == 1; /* R_M32C_16 */ + case EM_MSP430_OLD: + case EM_MSP430: + return reloc_type == 5; /* R_MSP430_16_BYTE. */ + case EM_ALTERA_NIOS2: + case EM_NIOS32: + return reloc_type == 9; /* R_NIOS_16. */ + default: + return FALSE; + } } -static unsigned char *debug_abbrev_contents; -static unsigned long debug_abbrev_size; - -static void -load_debug_abbrev (FILE *file) -{ - Elf_Internal_Shdr *sec; - - /* If it is already loaded, do nothing. */ - if (debug_abbrev_contents != NULL) - return; - - /* Locate the .debug_ranges section. */ - sec = find_section (".debug_abbrev"); - if (sec == NULL) - return; - - debug_abbrev_size = sec->sh_size; - - debug_abbrev_contents = get_data (NULL, file, sec->sh_offset, 1, - sec->sh_size, - _("debug_abbrev section data")); -} +/* Apply relocations to a debug section. */ static void -free_debug_abbrev (void) -{ - if (debug_abbrev_contents == NULL) - return; - - free ((char *) debug_abbrev_contents); - debug_abbrev_contents = NULL; - debug_abbrev_size = 0; -} - -/* Apply addends of RELA relocations. */ - -static int -debug_apply_rela_addends (FILE *file, - Elf_Internal_Shdr *section, - int reloc_size, - unsigned char *sec_data, - unsigned char *start, - unsigned char *end) +debug_apply_relocations (void *file, + Elf_Internal_Shdr *section, + unsigned char *start) { Elf_Internal_Shdr *relsec; + unsigned char *end = start + section->sh_size; - if (end - start < reloc_size) - return 1; + if (elf_header.e_type != ET_REL) + return; + /* Find the reloc section associated with the debug section. */ for (relsec = section_headers; relsec < section_headers + elf_header.e_shnum; ++relsec) { - unsigned long nrelas; - Elf_Internal_Rela *rela, *rp; + bfd_boolean is_rela; + unsigned long num_relocs; + Elf_Internal_Rela *relocs, *rp; Elf_Internal_Shdr *symsec; Elf_Internal_Sym *symtab; Elf_Internal_Sym *sym; - if (relsec->sh_type != SHT_RELA + if ((relsec->sh_type != SHT_RELA && relsec->sh_type != SHT_REL) || SECTION_HEADER_INDEX (relsec->sh_info) >= elf_header.e_shnum || SECTION_HEADER (relsec->sh_info) != section || relsec->sh_size == 0 || SECTION_HEADER_INDEX (relsec->sh_link) >= elf_header.e_shnum) continue; - if (!slurp_rela_relocs (file, relsec->sh_offset, relsec->sh_size, - &rela, &nrelas)) - return 0; + is_rela = relsec->sh_type == SHT_RELA; + + if (is_rela) + { + if (!slurp_rela_relocs (file, relsec->sh_offset, relsec->sh_size, + & relocs, & num_relocs)) + return; + } + else + { + if (!slurp_rel_relocs (file, relsec->sh_offset, relsec->sh_size, + & relocs, & num_relocs)) + return; + } + + /* SH uses RELA but uses in place value instead of the addend field. */ + if (elf_header.e_machine == EM_SH) + is_rela = FALSE; symsec = SECTION_HEADER (relsec->sh_link); symtab = GET_ELF_SYMBOLS (file, symsec); - for (rp = rela; rp < rela + nrelas; ++rp) - { - unsigned char *loc; - - if (rp->r_offset >= (bfd_vma) (start - sec_data) - && rp->r_offset < (bfd_vma) (end - sec_data) - reloc_size) - loc = sec_data + rp->r_offset; + for (rp = relocs; rp < relocs + num_relocs; ++rp) + { + bfd_vma addend; + unsigned int reloc_type; + unsigned int reloc_size; + unsigned char * loc; + + /* In MIPS little-endian objects, r_info isn't really a + 64-bit little-endian value: it has a 32-bit little-endian + symbol index followed by four individual byte fields. + Reorder INFO accordingly. */ + if (!is_32bit_elf + && elf_header.e_machine == EM_MIPS + && elf_header.e_ident[EI_DATA] != ELFDATA2MSB) + rp->r_info = (((rp->r_info & 0xffffffff) << 32) + | ((rp->r_info >> 56) & 0xff) + | ((rp->r_info >> 40) & 0xff00) + | ((rp->r_info >> 24) & 0xff0000) + | ((rp->r_info >> 8) & 0xff000000)); + + reloc_type = get_reloc_type (rp->r_info); + + if (is_32bit_abs_reloc (reloc_type) + || is_32bit_pcrel_reloc (reloc_type)) + reloc_size = 4; + else if (is_64bit_abs_reloc (reloc_type)) + reloc_size = 8; + else if (is_16bit_abs_reloc (reloc_type)) + reloc_size = 2; else - continue; - - if (is_32bit_elf) { - sym = symtab + ELF32_R_SYM (rp->r_info); - - if (ELF32_R_SYM (rp->r_info) != 0 - && ELF32_ST_TYPE (sym->st_info) != STT_SECTION - /* Relocations against object symbols can happen, - eg when referencing a global array. For an - example of this see the _clz.o binary in libgcc.a. */ - && ELF32_ST_TYPE (sym->st_info) != STT_OBJECT) - { - warn (_("skipping unexpected symbol type %s in relocation in section .rela%s\n"), - get_symbol_type (ELF32_ST_TYPE (sym->st_info)), - SECTION_NAME (section)); - continue; - } + warn (_("unable to apply unsupported reloc type %d to section %s\n"), + reloc_type, SECTION_NAME (section)); + continue; } - else + + loc = start + rp->r_offset; + if ((loc + reloc_size) > end) { - /* In MIPS little-endian objects, r_info isn't really a - 64-bit little-endian value: it has a 32-bit little-endian - symbol index followed by four individual byte fields. - Reorder INFO accordingly. */ - if (elf_header.e_machine == EM_MIPS - && elf_header.e_ident[EI_DATA] != ELFDATA2MSB) - rp->r_info = (((rp->r_info & 0xffffffff) << 32) - | ((rp->r_info >> 56) & 0xff) - | ((rp->r_info >> 40) & 0xff00) - | ((rp->r_info >> 24) & 0xff0000) - | ((rp->r_info >> 8) & 0xff000000)); - - sym = symtab + ELF64_R_SYM (rp->r_info); - - if (ELF64_R_SYM (rp->r_info) != 0 - && ELF64_ST_TYPE (sym->st_info) != STT_SECTION - && ELF64_ST_TYPE (sym->st_info) != STT_OBJECT) - { - warn (_("skipping unexpected symbol type %s in relocation in section .rela.%s\n"), - get_symbol_type (ELF64_ST_TYPE (sym->st_info)), - SECTION_NAME (section)); - continue; - } + warn (_("skipping invalid relocation offset 0x%lx in section %s\n"), + (unsigned long) rp->r_offset, + SECTION_NAME (section)); + continue; + } + + sym = symtab + get_reloc_symindex (rp->r_info); + + /* If the reloc has a symbol associated with it, + make sure that it is of an appropriate type. */ + if (sym != symtab + && ELF_ST_TYPE (sym->st_info) != STT_SECTION + /* Relocations against symbols without type can happen. + Gcc -feliminate-dwarf2-dups may generate symbols + without type for debug info. */ + && ELF_ST_TYPE (sym->st_info) != STT_NOTYPE + /* Relocations against object symbols can happen, + eg when referencing a global array. For an + example of this see the _clz.o binary in libgcc.a. */ + && ELF_ST_TYPE (sym->st_info) != STT_OBJECT) + { + warn (_("skipping unexpected symbol type %s in %ld'th relocation in section %s\n"), + get_symbol_type (ELF_ST_TYPE (sym->st_info)), + (long int)(rp - relocs), + SECTION_NAME (relsec)); + continue; } - byte_put (loc, rp->r_addend, reloc_size); + addend = is_rela ? rp->r_addend : byte_get (loc, reloc_size); + + if (is_32bit_pcrel_reloc (reloc_type)) + byte_put (loc, (addend + sym->st_value) - rp->r_offset, + reloc_size); + else + byte_put (loc, addend + sym->st_value, reloc_size); } free (symtab); - free (rela); + free (relocs); break; } - return 1; -} - -/* FIXME: There are better and more efficient ways to handle - these structures. For now though, I just want something that - is simple to implement. */ -typedef struct abbrev_attr -{ - unsigned long attribute; - unsigned long form; - struct abbrev_attr *next; -} -abbrev_attr; - -typedef struct abbrev_entry -{ - unsigned long entry; - unsigned long tag; - int children; - struct abbrev_attr *first_attr; - struct abbrev_attr *last_attr; - struct abbrev_entry *next; } -abbrev_entry; -static abbrev_entry *first_abbrev = NULL; -static abbrev_entry *last_abbrev = NULL; - -static void -free_abbrevs (void) +int +load_debug_section (enum dwarf_section_display_enum debug, void *file) { - abbrev_entry *abbrev; + struct dwarf_section *section = &debug_displays [debug].section; + Elf_Internal_Shdr *sec; + char buf [64]; - for (abbrev = first_abbrev; abbrev;) - { - abbrev_entry *next = abbrev->next; - abbrev_attr *attr; + /* If it is already loaded, do nothing. */ + if (section->start != NULL) + return 1; - for (attr = abbrev->first_attr; attr;) - { - abbrev_attr *next = attr->next; + /* Locate the debug section. */ + sec = find_section (section->name); + if (sec == NULL) + return 0; - free (attr); - attr = next; - } + snprintf (buf, sizeof (buf), _("%s section data"), section->name); + section->address = sec->sh_addr; + section->size = sec->sh_size; + section->start = get_data (NULL, file, sec->sh_offset, 1, + sec->sh_size, buf); - free (abbrev); - abbrev = next; - } + if (debug_displays [debug].relocate) + debug_apply_relocations (file, sec, section->start); - last_abbrev = first_abbrev = NULL; + return section->start != NULL; } -static void -add_abbrev (unsigned long number, unsigned long tag, int children) +void +free_debug_section (enum dwarf_section_display_enum debug) { - abbrev_entry *entry; + struct dwarf_section *section = &debug_displays [debug].section; - entry = malloc (sizeof (*entry)); - - if (entry == NULL) - /* ugg */ + if (section->start == NULL) return; - entry->entry = number; - entry->tag = tag; - entry->children = children; - entry->first_attr = NULL; - entry->last_attr = NULL; - entry->next = NULL; - - if (first_abbrev == NULL) - first_abbrev = entry; - else - last_abbrev->next = entry; - - last_abbrev = entry; + free ((char *) section->start); + section->start = NULL; + section->address = 0; + section->size = 0; } -static void -add_abbrev_attr (unsigned long attribute, unsigned long form) +static int +display_debug_section (Elf_Internal_Shdr *section, FILE *file) { - abbrev_attr *attr; - - attr = malloc (sizeof (*attr)); + char *name = SECTION_NAME (section); + bfd_size_type length; + int result = 1; + enum dwarf_section_display_enum i; - if (attr == NULL) - /* ugg */ - return; + length = section->sh_size; + if (length == 0) + { + printf (_("\nSection '%s' has no debugging data.\n"), name); + return 0; + } - attr->attribute = attribute; - attr->form = form; - attr->next = NULL; + if (const_strneq (name, ".gnu.linkonce.wi.")) + name = ".debug_info"; - if (last_abbrev->first_attr == NULL) - last_abbrev->first_attr = attr; - else - last_abbrev->last_attr->next = attr; + /* See if we know how to display the contents of this section. */ + for (i = 0; i < max; i++) + if (streq (debug_displays[i].section.name, name)) + { + struct dwarf_section *sec = &debug_displays [i].section; - last_abbrev->last_attr = attr; -} + if (load_debug_section (i, file)) + { + result &= debug_displays[i].display (sec, file); -/* Processes the (partial) contents of a .debug_abbrev section. - Returns NULL if the end of the section was encountered. - Returns the address after the last byte read if the end of - an abbreviation set was found. */ + if (i != info && i != abbrev) + free_debug_section (i); + } -static unsigned char * -process_abbrev_section (unsigned char *start, unsigned char *end) -{ - if (first_abbrev != NULL) - return NULL; + break; + } - while (start < end) + if (i == max) { - unsigned int bytes_read; - unsigned long entry; - unsigned long tag; - unsigned long attribute; - int children; + printf (_("Unrecognized debug section: %s\n"), name); + result = 0; + } - entry = read_leb128 (start, & bytes_read, 0); - start += bytes_read; + return result; +} - /* A single zero is supposed to end the section according - to the standard. If there's more, then signal that to - the caller. */ - if (entry == 0) - return start == end ? NULL : start; +/* Set DUMP_SECTS for all sections where dumps were requested + based on section name. */ - tag = read_leb128 (start, & bytes_read, 0); - start += bytes_read; +static void +initialise_dumps_byname (void) +{ + struct dump_list_entry *cur; - children = *start++; + for (cur = dump_sects_byname; cur; cur = cur->next) + { + unsigned int i; + int any; - add_abbrev (entry, tag, children); + for (i = 0, any = 0; i < elf_header.e_shnum; i++) + if (streq (SECTION_NAME (section_headers + i), cur->name)) + { + request_dump_bynumber (i, cur->type); + any = 1; + } - do - { - unsigned long form; + if (!any) + warn (_("Section '%s' was not dumped because it does not exist!\n"), + cur->name); + } +} - attribute = read_leb128 (start, & bytes_read, 0); - start += bytes_read; +static void +process_section_contents (FILE *file) +{ + Elf_Internal_Shdr *section; + unsigned int i; - form = read_leb128 (start, & bytes_read, 0); - start += bytes_read; + if (! do_dump) + return; - if (attribute != 0) - add_abbrev_attr (attribute, form); - } - while (attribute != 0); - } + initialise_dumps_byname (); - return NULL; -} + for (i = 0, section = section_headers; + i < elf_header.e_shnum && i < num_dump_sects; + i++, section++) + { +#ifdef SUPPORT_DISASSEMBLY + if (dump_sects[i] & DISASS_DUMP) + disassemble_section (section, file); +#endif + if (dump_sects[i] & HEX_DUMP) + dump_section_as_bytes (section, file); -static char * -get_TAG_name (unsigned long tag) -{ - switch (tag) - { - case DW_TAG_padding: return "DW_TAG_padding"; - case DW_TAG_array_type: return "DW_TAG_array_type"; - case DW_TAG_class_type: return "DW_TAG_class_type"; - case DW_TAG_entry_point: return "DW_TAG_entry_point"; - case DW_TAG_enumeration_type: return "DW_TAG_enumeration_type"; - case DW_TAG_formal_parameter: return "DW_TAG_formal_parameter"; - case DW_TAG_imported_declaration: return "DW_TAG_imported_declaration"; - case DW_TAG_label: return "DW_TAG_label"; - case DW_TAG_lexical_block: return "DW_TAG_lexical_block"; - case DW_TAG_member: return "DW_TAG_member"; - case DW_TAG_pointer_type: return "DW_TAG_pointer_type"; - case DW_TAG_reference_type: return "DW_TAG_reference_type"; - case DW_TAG_compile_unit: return "DW_TAG_compile_unit"; - case DW_TAG_string_type: return "DW_TAG_string_type"; - case DW_TAG_structure_type: return "DW_TAG_structure_type"; - case DW_TAG_subroutine_type: return "DW_TAG_subroutine_type"; - case DW_TAG_typedef: return "DW_TAG_typedef"; - case DW_TAG_union_type: return "DW_TAG_union_type"; - case DW_TAG_unspecified_parameters: return "DW_TAG_unspecified_parameters"; - case DW_TAG_variant: return "DW_TAG_variant"; - case DW_TAG_common_block: return "DW_TAG_common_block"; - case DW_TAG_common_inclusion: return "DW_TAG_common_inclusion"; - case DW_TAG_inheritance: return "DW_TAG_inheritance"; - case DW_TAG_inlined_subroutine: return "DW_TAG_inlined_subroutine"; - case DW_TAG_module: return "DW_TAG_module"; - case DW_TAG_ptr_to_member_type: return "DW_TAG_ptr_to_member_type"; - case DW_TAG_set_type: return "DW_TAG_set_type"; - case DW_TAG_subrange_type: return "DW_TAG_subrange_type"; - case DW_TAG_with_stmt: return "DW_TAG_with_stmt"; - case DW_TAG_access_declaration: return "DW_TAG_access_declaration"; - case DW_TAG_base_type: return "DW_TAG_base_type"; - case DW_TAG_catch_block: return "DW_TAG_catch_block"; - case DW_TAG_const_type: return "DW_TAG_const_type"; - case DW_TAG_constant: return "DW_TAG_constant"; - case DW_TAG_enumerator: return "DW_TAG_enumerator"; - case DW_TAG_file_type: return "DW_TAG_file_type"; - case DW_TAG_friend: return "DW_TAG_friend"; - case DW_TAG_namelist: return "DW_TAG_namelist"; - case DW_TAG_namelist_item: return "DW_TAG_namelist_item"; - case DW_TAG_packed_type: return "DW_TAG_packed_type"; - case DW_TAG_subprogram: return "DW_TAG_subprogram"; - case DW_TAG_template_type_param: return "DW_TAG_template_type_param"; - case DW_TAG_template_value_param: return "DW_TAG_template_value_param"; - case DW_TAG_thrown_type: return "DW_TAG_thrown_type"; - case DW_TAG_try_block: return "DW_TAG_try_block"; - case DW_TAG_variant_part: return "DW_TAG_variant_part"; - case DW_TAG_variable: return "DW_TAG_variable"; - case DW_TAG_volatile_type: return "DW_TAG_volatile_type"; - case DW_TAG_MIPS_loop: return "DW_TAG_MIPS_loop"; - case DW_TAG_format_label: return "DW_TAG_format_label"; - case DW_TAG_function_template: return "DW_TAG_function_template"; - case DW_TAG_class_template: return "DW_TAG_class_template"; - /* DWARF 2.1 values. */ - case DW_TAG_dwarf_procedure: return "DW_TAG_dwarf_procedure"; - case DW_TAG_restrict_type: return "DW_TAG_restrict_type"; - case DW_TAG_interface_type: return "DW_TAG_interface_type"; - case DW_TAG_namespace: return "DW_TAG_namespace"; - case DW_TAG_imported_module: return "DW_TAG_imported_module"; - case DW_TAG_unspecified_type: return "DW_TAG_unspecified_type"; - case DW_TAG_partial_unit: return "DW_TAG_partial_unit"; - case DW_TAG_imported_unit: return "DW_TAG_imported_unit"; - /* UPC values. */ - case DW_TAG_upc_shared_type: return "DW_TAG_upc_shared_type"; - case DW_TAG_upc_strict_type: return "DW_TAG_upc_strict_type"; - case DW_TAG_upc_relaxed_type: return "DW_TAG_upc_relaxed_type"; - default: - { - static char buffer[100]; + if (dump_sects[i] & DEBUG_DUMP) + display_debug_section (section, file); - snprintf (buffer, sizeof (buffer), _("Unknown TAG value: %lx"), tag); - return buffer; - } + if (dump_sects[i] & STRING_DUMP) + dump_section_as_strings (section, file); } -} -static char * -get_FORM_name (unsigned long form) -{ - switch (form) - { - case DW_FORM_addr: return "DW_FORM_addr"; - case DW_FORM_block2: return "DW_FORM_block2"; - case DW_FORM_block4: return "DW_FORM_block4"; - case DW_FORM_data2: return "DW_FORM_data2"; - case DW_FORM_data4: return "DW_FORM_data4"; - case DW_FORM_data8: return "DW_FORM_data8"; - case DW_FORM_string: return "DW_FORM_string"; - case DW_FORM_block: return "DW_FORM_block"; - case DW_FORM_block1: return "DW_FORM_block1"; - case DW_FORM_data1: return "DW_FORM_data1"; - case DW_FORM_flag: return "DW_FORM_flag"; - case DW_FORM_sdata: return "DW_FORM_sdata"; - case DW_FORM_strp: return "DW_FORM_strp"; - case DW_FORM_udata: return "DW_FORM_udata"; - case DW_FORM_ref_addr: return "DW_FORM_ref_addr"; - case DW_FORM_ref1: return "DW_FORM_ref1"; - case DW_FORM_ref2: return "DW_FORM_ref2"; - case DW_FORM_ref4: return "DW_FORM_ref4"; - case DW_FORM_ref8: return "DW_FORM_ref8"; - case DW_FORM_ref_udata: return "DW_FORM_ref_udata"; - case DW_FORM_indirect: return "DW_FORM_indirect"; - default: - { - static char buffer[100]; + /* Check to see if the user requested a + dump of a section that does not exist. */ + while (i++ < num_dump_sects) + if (dump_sects[i]) + warn (_("Section %d was not dumped because it does not exist!\n"), i); +} - snprintf (buffer, sizeof (buffer), _("Unknown FORM value: %lx"), form); - return buffer; - } +static void +process_mips_fpe_exception (int mask) +{ + if (mask) + { + int first = 1; + if (mask & OEX_FPU_INEX) + fputs ("INEX", stdout), first = 0; + if (mask & OEX_FPU_UFLO) + printf ("%sUFLO", first ? "" : "|"), first = 0; + if (mask & OEX_FPU_OFLO) + printf ("%sOFLO", first ? "" : "|"), first = 0; + if (mask & OEX_FPU_DIV0) + printf ("%sDIV0", first ? "" : "|"), first = 0; + if (mask & OEX_FPU_INVAL) + printf ("%sINVAL", first ? "" : "|"); } + else + fputs ("0", stdout); } -static unsigned char * -display_block (unsigned char *data, unsigned long length) +/* ARM EABI attributes section. */ +typedef struct { - printf (_(" %lu byte block: "), length); - - while (length --) - printf ("%lx ", (unsigned long) byte_get (data++, 1)); - - return data; -} + int tag; + const char *name; + /* 0 = special, 1 = string, 2 = uleb123, > 0x80 == table lookup. */ + int type; + const char **table; +} arm_attr_public_tag; + +static const char *arm_attr_tag_CPU_arch[] = + {"Pre-v4", "v4", "v4T", "v5T", "v5TE", "v5TEJ", "v6", "v6KZ", "v6T2", + "v6K", "v7"}; +static const char *arm_attr_tag_ARM_ISA_use[] = {"No", "Yes"}; +static const char *arm_attr_tag_THUMB_ISA_use[] = + {"No", "Thumb-1", "Thumb-2"}; +/* FIXME: VFPv3 encoding was extrapolated! */ +static const char *arm_attr_tag_VFP_arch[] = {"No", "VFPv1", "VFPv2", "VFPv3"}; +static const char *arm_attr_tag_WMMX_arch[] = {"No", "WMMXv1"}; +static const char *arm_attr_tag_NEON_arch[] = {"No", "NEONv1"}; +static const char *arm_attr_tag_ABI_PCS_config[] = + {"None", "Bare platform", "Linux application", "Linux DSO", "PalmOS 2004", + "PalmOS (reserved)", "SymbianOS 2004", "SymbianOS (reserved)"}; +static const char *arm_attr_tag_ABI_PCS_R9_use[] = + {"V6", "SB", "TLS", "Unused"}; +static const char *arm_attr_tag_ABI_PCS_RW_data[] = + {"Absolute", "PC-relative", "SB-relative", "None"}; +static const char *arm_attr_tag_ABI_PCS_RO_DATA[] = + {"Absolute", "PC-relative", "None"}; +static const char *arm_attr_tag_ABI_PCS_GOT_use[] = + {"None", "direct", "GOT-indirect"}; +static const char *arm_attr_tag_ABI_PCS_wchar_t[] = + {"None", "??? 1", "2", "??? 3", "4"}; +static const char *arm_attr_tag_ABI_FP_rounding[] = {"Unused", "Needed"}; +static const char *arm_attr_tag_ABI_FP_denormal[] = {"Unused", "Needed"}; +static const char *arm_attr_tag_ABI_FP_exceptions[] = {"Unused", "Needed"}; +static const char *arm_attr_tag_ABI_FP_user_exceptions[] = {"Unused", "Needed"}; +static const char *arm_attr_tag_ABI_FP_number_model[] = + {"Unused", "Finite", "RTABI", "IEEE 754"}; +static const char *arm_attr_tag_ABI_align8_needed[] = {"No", "Yes", "4-byte"}; +static const char *arm_attr_tag_ABI_align8_preserved[] = + {"No", "Yes, except leaf SP", "Yes"}; +static const char *arm_attr_tag_ABI_enum_size[] = + {"Unused", "small", "int", "forced to int"}; +static const char *arm_attr_tag_ABI_HardFP_use[] = + {"As Tag_VFP_arch", "SP only", "DP only", "SP and DP"}; +static const char *arm_attr_tag_ABI_VFP_args[] = + {"AAPCS", "VFP registers", "custom"}; +static const char *arm_attr_tag_ABI_WMMX_args[] = + {"AAPCS", "WMMX registers", "custom"}; +static const char *arm_attr_tag_ABI_optimization_goals[] = + {"None", "Prefer Speed", "Aggressive Speed", "Prefer Size", + "Aggressive Size", "Prefer Debug", "Aggressive Debug"}; +static const char *arm_attr_tag_ABI_FP_optimization_goals[] = + {"None", "Prefer Speed", "Aggressive Speed", "Prefer Size", + "Aggressive Size", "Prefer Accuracy", "Aggressive Accuracy"}; + +#define LOOKUP(id, name) \ + {id, #name, 0x80 | ARRAY_SIZE(arm_attr_tag_##name), arm_attr_tag_##name} +static arm_attr_public_tag arm_attr_public_tags[] = +{ + {4, "CPU_raw_name", 1, NULL}, + {5, "CPU_name", 1, NULL}, + LOOKUP(6, CPU_arch), + {7, "CPU_arch_profile", 0, NULL}, + LOOKUP(8, ARM_ISA_use), + LOOKUP(9, THUMB_ISA_use), + LOOKUP(10, VFP_arch), + LOOKUP(11, WMMX_arch), + LOOKUP(12, NEON_arch), + LOOKUP(13, ABI_PCS_config), + LOOKUP(14, ABI_PCS_R9_use), + LOOKUP(15, ABI_PCS_RW_data), + LOOKUP(16, ABI_PCS_RO_DATA), + LOOKUP(17, ABI_PCS_GOT_use), + LOOKUP(18, ABI_PCS_wchar_t), + LOOKUP(19, ABI_FP_rounding), + LOOKUP(20, ABI_FP_denormal), + LOOKUP(21, ABI_FP_exceptions), + LOOKUP(22, ABI_FP_user_exceptions), + LOOKUP(23, ABI_FP_number_model), + LOOKUP(24, ABI_align8_needed), + LOOKUP(25, ABI_align8_preserved), + LOOKUP(26, ABI_enum_size), + LOOKUP(27, ABI_HardFP_use), + LOOKUP(28, ABI_VFP_args), + LOOKUP(29, ABI_WMMX_args), + LOOKUP(30, ABI_optimization_goals), + LOOKUP(31, ABI_FP_optimization_goals), + {32, "compatibility", 0, NULL} +}; +#undef LOOKUP -static int -decode_location_expression (unsigned char * data, - unsigned int pointer_size, - unsigned long length, - unsigned long cu_offset) +/* Read an unsigned LEB128 encoded value from p. Set *PLEN to the number of + bytes read. */ +static unsigned int +read_uleb128 (unsigned char *p, unsigned int *plen) { - unsigned op; - unsigned int bytes_read; - unsigned long uvalue; - unsigned char *end = data + length; - int need_frame_base = 0; + unsigned char c; + unsigned int val; + int shift; + int len; - while (data < end) + val = 0; + shift = 0; + len = 0; + do { - op = *data++; - - switch (op) - { - case DW_OP_addr: - printf ("DW_OP_addr: %lx", - (unsigned long) byte_get (data, pointer_size)); - data += pointer_size; - break; - case DW_OP_deref: - printf ("DW_OP_deref"); - break; - case DW_OP_const1u: - printf ("DW_OP_const1u: %lu", (unsigned long) byte_get (data++, 1)); - break; - case DW_OP_const1s: - printf ("DW_OP_const1s: %ld", (long) byte_get_signed (data++, 1)); - break; - case DW_OP_const2u: - printf ("DW_OP_const2u: %lu", (unsigned long) byte_get (data, 2)); - data += 2; - break; - case DW_OP_const2s: - printf ("DW_OP_const2s: %ld", (long) byte_get_signed (data, 2)); - data += 2; - break; - case DW_OP_const4u: - printf ("DW_OP_const4u: %lu", (unsigned long) byte_get (data, 4)); - data += 4; - break; - case DW_OP_const4s: - printf ("DW_OP_const4s: %ld", (long) byte_get_signed (data, 4)); - data += 4; - break; - case DW_OP_const8u: - printf ("DW_OP_const8u: %lu %lu", (unsigned long) byte_get (data, 4), - (unsigned long) byte_get (data + 4, 4)); - data += 8; - break; - case DW_OP_const8s: - printf ("DW_OP_const8s: %ld %ld", (long) byte_get (data, 4), - (long) byte_get (data + 4, 4)); - data += 8; - break; - case DW_OP_constu: - printf ("DW_OP_constu: %lu", read_leb128 (data, &bytes_read, 0)); - data += bytes_read; - break; - case DW_OP_consts: - printf ("DW_OP_consts: %ld", read_leb128 (data, &bytes_read, 1)); - data += bytes_read; - break; - case DW_OP_dup: - printf ("DW_OP_dup"); - break; - case DW_OP_drop: - printf ("DW_OP_drop"); - break; - case DW_OP_over: - printf ("DW_OP_over"); - break; - case DW_OP_pick: - printf ("DW_OP_pick: %ld", (unsigned long) byte_get (data++, 1)); - break; - case DW_OP_swap: - printf ("DW_OP_swap"); - break; - case DW_OP_rot: - printf ("DW_OP_rot"); - break; - case DW_OP_xderef: - printf ("DW_OP_xderef"); - break; - case DW_OP_abs: - printf ("DW_OP_abs"); - break; - case DW_OP_and: - printf ("DW_OP_and"); - break; - case DW_OP_div: - printf ("DW_OP_div"); - break; - case DW_OP_minus: - printf ("DW_OP_minus"); - break; - case DW_OP_mod: - printf ("DW_OP_mod"); - break; - case DW_OP_mul: - printf ("DW_OP_mul"); - break; - case DW_OP_neg: - printf ("DW_OP_neg"); - break; - case DW_OP_not: - printf ("DW_OP_not"); - break; - case DW_OP_or: - printf ("DW_OP_or"); - break; - case DW_OP_plus: - printf ("DW_OP_plus"); - break; - case DW_OP_plus_uconst: - printf ("DW_OP_plus_uconst: %lu", - read_leb128 (data, &bytes_read, 0)); - data += bytes_read; - break; - case DW_OP_shl: - printf ("DW_OP_shl"); - break; - case DW_OP_shr: - printf ("DW_OP_shr"); - break; - case DW_OP_shra: - printf ("DW_OP_shra"); - break; - case DW_OP_xor: - printf ("DW_OP_xor"); - break; - case DW_OP_bra: - printf ("DW_OP_bra: %ld", (long) byte_get_signed (data, 2)); - data += 2; - break; - case DW_OP_eq: - printf ("DW_OP_eq"); - break; - case DW_OP_ge: - printf ("DW_OP_ge"); - break; - case DW_OP_gt: - printf ("DW_OP_gt"); - break; - case DW_OP_le: - printf ("DW_OP_le"); - break; - case DW_OP_lt: - printf ("DW_OP_lt"); - break; - case DW_OP_ne: - printf ("DW_OP_ne"); - break; - case DW_OP_skip: - printf ("DW_OP_skip: %ld", (long) byte_get_signed (data, 2)); - data += 2; - break; - - case DW_OP_lit0: - case DW_OP_lit1: - case DW_OP_lit2: - case DW_OP_lit3: - case DW_OP_lit4: - case DW_OP_lit5: - case DW_OP_lit6: - case DW_OP_lit7: - case DW_OP_lit8: - case DW_OP_lit9: - case DW_OP_lit10: - case DW_OP_lit11: - case DW_OP_lit12: - case DW_OP_lit13: - case DW_OP_lit14: - case DW_OP_lit15: - case DW_OP_lit16: - case DW_OP_lit17: - case DW_OP_lit18: - case DW_OP_lit19: - case DW_OP_lit20: - case DW_OP_lit21: - case DW_OP_lit22: - case DW_OP_lit23: - case DW_OP_lit24: - case DW_OP_lit25: - case DW_OP_lit26: - case DW_OP_lit27: - case DW_OP_lit28: - case DW_OP_lit29: - case DW_OP_lit30: - case DW_OP_lit31: - printf ("DW_OP_lit%d", op - DW_OP_lit0); - break; - - case DW_OP_reg0: - case DW_OP_reg1: - case DW_OP_reg2: - case DW_OP_reg3: - case DW_OP_reg4: - case DW_OP_reg5: - case DW_OP_reg6: - case DW_OP_reg7: - case DW_OP_reg8: - case DW_OP_reg9: - case DW_OP_reg10: - case DW_OP_reg11: - case DW_OP_reg12: - case DW_OP_reg13: - case DW_OP_reg14: - case DW_OP_reg15: - case DW_OP_reg16: - case DW_OP_reg17: - case DW_OP_reg18: - case DW_OP_reg19: - case DW_OP_reg20: - case DW_OP_reg21: - case DW_OP_reg22: - case DW_OP_reg23: - case DW_OP_reg24: - case DW_OP_reg25: - case DW_OP_reg26: - case DW_OP_reg27: - case DW_OP_reg28: - case DW_OP_reg29: - case DW_OP_reg30: - case DW_OP_reg31: - printf ("DW_OP_reg%d", op - DW_OP_reg0); - break; - - case DW_OP_breg0: - case DW_OP_breg1: - case DW_OP_breg2: - case DW_OP_breg3: - case DW_OP_breg4: - case DW_OP_breg5: - case DW_OP_breg6: - case DW_OP_breg7: - case DW_OP_breg8: - case DW_OP_breg9: - case DW_OP_breg10: - case DW_OP_breg11: - case DW_OP_breg12: - case DW_OP_breg13: - case DW_OP_breg14: - case DW_OP_breg15: - case DW_OP_breg16: - case DW_OP_breg17: - case DW_OP_breg18: - case DW_OP_breg19: - case DW_OP_breg20: - case DW_OP_breg21: - case DW_OP_breg22: - case DW_OP_breg23: - case DW_OP_breg24: - case DW_OP_breg25: - case DW_OP_breg26: - case DW_OP_breg27: - case DW_OP_breg28: - case DW_OP_breg29: - case DW_OP_breg30: - case DW_OP_breg31: - printf ("DW_OP_breg%d: %ld", op - DW_OP_breg0, - read_leb128 (data, &bytes_read, 1)); - data += bytes_read; - break; - - case DW_OP_regx: - printf ("DW_OP_regx: %lu", read_leb128 (data, &bytes_read, 0)); - data += bytes_read; - break; - case DW_OP_fbreg: - need_frame_base = 1; - printf ("DW_OP_fbreg: %ld", read_leb128 (data, &bytes_read, 1)); - data += bytes_read; - break; - case DW_OP_bregx: - uvalue = read_leb128 (data, &bytes_read, 0); - data += bytes_read; - printf ("DW_OP_bregx: %lu %ld", uvalue, - read_leb128 (data, &bytes_read, 1)); - data += bytes_read; - break; - case DW_OP_piece: - printf ("DW_OP_piece: %lu", read_leb128 (data, &bytes_read, 0)); - data += bytes_read; - break; - case DW_OP_deref_size: - printf ("DW_OP_deref_size: %ld", (long) byte_get (data++, 1)); - break; - case DW_OP_xderef_size: - printf ("DW_OP_xderef_size: %ld", (long) byte_get (data++, 1)); - break; - case DW_OP_nop: - printf ("DW_OP_nop"); - break; - - /* DWARF 3 extensions. */ - case DW_OP_push_object_address: - printf ("DW_OP_push_object_address"); - break; - case DW_OP_call2: - /* XXX: Strictly speaking for 64-bit DWARF3 files - this ought to be an 8-byte wide computation. */ - printf ("DW_OP_call2: <%lx>", (long) byte_get (data, 2) + cu_offset); - data += 2; - break; - case DW_OP_call4: - /* XXX: Strictly speaking for 64-bit DWARF3 files - this ought to be an 8-byte wide computation. */ - printf ("DW_OP_call4: <%lx>", (long) byte_get (data, 4) + cu_offset); - data += 4; - break; - case DW_OP_call_ref: - printf ("DW_OP_call_ref"); - break; - - /* GNU extensions. */ - case DW_OP_GNU_push_tls_address: - printf ("DW_OP_GNU_push_tls_address"); - break; - - default: - if (op >= DW_OP_lo_user - && op <= DW_OP_hi_user) - printf (_("(User defined location op)")); - else - printf (_("(Unknown location op)")); - /* No way to tell where the next op is, so just bail. */ - return need_frame_base; - } - - /* Separate the ops. */ - if (data < end) - printf ("; "); + c = *(p++); + len++; + val |= ((unsigned int)c & 0x7f) << shift; + shift += 7; } + while (c & 0x80); - return need_frame_base; + *plen = len; + return val; } -/* This structure records the information that - we extract from the.debug_info section. */ -typedef struct +static unsigned char * +display_arm_attribute (unsigned char *p) { - unsigned int pointer_size; - unsigned long cu_offset; - unsigned long base_address; - /* This is an array of offsets to the location list table. */ - unsigned long *loc_offsets; - int *have_frame_base; - unsigned int num_loc_offsets; - unsigned int max_loc_offsets; - unsigned long *range_lists; - unsigned int num_range_lists; - unsigned int max_range_lists; -} -debug_info; - -static debug_info * debug_information = NULL; -static unsigned int num_debug_info_entries = 0; -static unsigned int last_pointer_size = 0; -static int warned_about_missing_comp_units = FALSE; + int tag; + unsigned int len; + int val; + arm_attr_public_tag *attr; + unsigned i; + int type; -static unsigned char * -read_and_display_attr_value (unsigned long attribute, - unsigned long form, - unsigned char *data, - unsigned long cu_offset, - unsigned long pointer_size, - unsigned long offset_size, - int dwarf_version, - debug_info *debug_info_p, - int do_loc) -{ - unsigned long uvalue = 0; - unsigned char *block_start = NULL; - unsigned int bytes_read; - - switch (form) + tag = read_uleb128 (p, &len); + p += len; + attr = NULL; + for (i = 0; i < ARRAY_SIZE(arm_attr_public_tags); i++) { - default: - break; - - case DW_FORM_ref_addr: - if (dwarf_version == 2) - { - uvalue = byte_get (data, pointer_size); - data += pointer_size; - } - else if (dwarf_version == 3) - { - uvalue = byte_get (data, offset_size); - data += offset_size; - } - else + if (arm_attr_public_tags[i].tag == tag) { - error (_("Internal error: DWARF version is not 2 or 3.\n")); + attr = &arm_attr_public_tags[i]; + break; } - break; - - case DW_FORM_addr: - uvalue = byte_get (data, pointer_size); - data += pointer_size; - break; - - case DW_FORM_strp: - uvalue = byte_get (data, offset_size); - data += offset_size; - break; - - case DW_FORM_ref1: - case DW_FORM_flag: - case DW_FORM_data1: - uvalue = byte_get (data++, 1); - break; - - case DW_FORM_ref2: - case DW_FORM_data2: - uvalue = byte_get (data, 2); - data += 2; - break; - - case DW_FORM_ref4: - case DW_FORM_data4: - uvalue = byte_get (data, 4); - data += 4; - break; - - case DW_FORM_sdata: - uvalue = read_leb128 (data, & bytes_read, 1); - data += bytes_read; - break; - - case DW_FORM_ref_udata: - case DW_FORM_udata: - uvalue = read_leb128 (data, & bytes_read, 0); - data += bytes_read; - break; - - case DW_FORM_indirect: - form = read_leb128 (data, & bytes_read, 0); - data += bytes_read; - if (!do_loc) - printf (" %s", get_FORM_name (form)); - return read_and_display_attr_value (attribute, form, data, - cu_offset, pointer_size, - offset_size, dwarf_version, - debug_info_p, do_loc); } - switch (form) + if (attr) { - case DW_FORM_ref_addr: - if (!do_loc) - printf (" <#%lx>", uvalue); - break; + printf (" Tag_%s: ", attr->name); + switch (attr->type) + { + case 0: + switch (tag) + { + case 7: /* Tag_CPU_arch_profile. */ + val = read_uleb128 (p, &len); + p += len; + switch (val) + { + case 0: printf ("None\n"); break; + case 'A': printf ("Application\n"); break; + case 'R': printf ("Realtime\n"); break; + case 'M': printf ("Microcontroller\n"); break; + default: printf ("??? (%d)\n", val); break; + } + break; - case DW_FORM_ref1: - case DW_FORM_ref2: - case DW_FORM_ref4: - case DW_FORM_ref_udata: - if (!do_loc) - printf (" <%lx>", uvalue + cu_offset); - break; + case 32: /* Tag_compatibility. */ + val = read_uleb128 (p, &len); + p += len; + printf ("flag = %d, vendor = %s\n", val, p); + p += strlen((char *)p) + 1; + break; - case DW_FORM_data4: - case DW_FORM_addr: - if (!do_loc) - printf (" %#lx", uvalue); - break; + default: + abort(); + } + return p; - case DW_FORM_flag: - case DW_FORM_data1: - case DW_FORM_data2: - case DW_FORM_sdata: - case DW_FORM_udata: - if (!do_loc) - printf (" %ld", uvalue); - break; + case 1: + case 2: + type = attr->type; + break; - case DW_FORM_ref8: - case DW_FORM_data8: - if (!do_loc) - { - uvalue = byte_get (data, 4); - printf (" %lx", uvalue); - printf (" %lx", (unsigned long) byte_get (data + 4, 4)); - } - if ((do_loc || do_debug_loc || do_debug_ranges) - && num_debug_info_entries == 0) - { - if (sizeof (uvalue) == 8) - uvalue = byte_get (data, 8); + default: + assert (attr->type & 0x80); + val = read_uleb128 (p, &len); + p += len; + type = attr->type & 0x7f; + if (val >= type) + printf ("??? (%d)\n", val); else - error (_("DW_FORM_data8 is unsupported when sizeof (unsigned long) != 8\n")); + printf ("%s\n", attr->table[val]); + return p; } - data += 8; - break; - - case DW_FORM_string: - if (!do_loc) - printf (" %s", data); - data += strlen ((char *) data) + 1; - break; - - case DW_FORM_block: - uvalue = read_leb128 (data, & bytes_read, 0); - block_start = data + bytes_read; - if (do_loc) - data = block_start + uvalue; - else - data = display_block (block_start, uvalue); - break; - - case DW_FORM_block1: - uvalue = byte_get (data, 1); - block_start = data + 1; - if (do_loc) - data = block_start + uvalue; + } + else + { + if (tag & 1) + type = 1; /* String. */ else - data = display_block (block_start, uvalue); - break; + type = 2; /* uleb128. */ + printf (" Tag_unknown_%d: ", tag); + } - case DW_FORM_block2: - uvalue = byte_get (data, 2); - block_start = data + 2; - if (do_loc) - data = block_start + uvalue; - else - data = display_block (block_start, uvalue); - break; + if (type == 1) + { + printf ("\"%s\"\n", p); + p += strlen((char *)p) + 1; + } + else + { + val = read_uleb128 (p, &len); + p += len; + printf ("%d (0x%x)\n", val, val); + } - case DW_FORM_block4: - uvalue = byte_get (data, 4); - block_start = data + 4; - if (do_loc) - data = block_start + uvalue; - else - data = display_block (block_start, uvalue); - break; + return p; +} - case DW_FORM_strp: - if (!do_loc) - printf (_(" (indirect string, offset: 0x%lx): %s"), - uvalue, fetch_indirect_string (uvalue)); - break; +static unsigned char * +display_gnu_attribute (unsigned char * p, + unsigned char * (* display_proc_gnu_attribute) (unsigned char *, int)) +{ + int tag; + unsigned int len; + int val; + int type; - case DW_FORM_indirect: - /* Handled above. */ - break; + tag = read_uleb128 (p, &len); + p += len; - default: - warn (_("Unrecognized form: %lu\n"), form); - break; + /* Tag_compatibility is the only generic GNU attribute defined at + present. */ + if (tag == 32) + { + val = read_uleb128 (p, &len); + p += len; + printf ("flag = %d, vendor = %s\n", val, p); + p += strlen ((char *) p) + 1; + return p; } - /* For some attributes we can display further information. */ - if ((do_loc || do_debug_loc || do_debug_ranges) - && num_debug_info_entries == 0) - { - switch (attribute) - { - case DW_AT_frame_base: - have_frame_base = 1; - case DW_AT_location: - case DW_AT_data_member_location: - case DW_AT_vtable_elem_location: - case DW_AT_allocated: - case DW_AT_associated: - case DW_AT_data_location: - case DW_AT_stride: - case DW_AT_upper_bound: - case DW_AT_lower_bound: - if (form == DW_FORM_data4 || form == DW_FORM_data8) - { - /* Process location list. */ - unsigned int max = debug_info_p->max_loc_offsets; - unsigned int num = debug_info_p->num_loc_offsets; - - if (max == 0 || num >= max) - { - max += 1024; - debug_info_p->loc_offsets - = xcrealloc (debug_info_p->loc_offsets, - max, sizeof (*debug_info_p->loc_offsets)); - debug_info_p->have_frame_base - = xcrealloc (debug_info_p->have_frame_base, - max, sizeof (*debug_info_p->have_frame_base)); - debug_info_p->max_loc_offsets = max; - } - debug_info_p->loc_offsets [num] = uvalue; - debug_info_p->have_frame_base [num] = have_frame_base; - debug_info_p->num_loc_offsets++; - } - break; - - case DW_AT_low_pc: - if (need_base_address) - debug_info_p->base_address = uvalue; - break; - - case DW_AT_ranges: - if (form == DW_FORM_data4 || form == DW_FORM_data8) - { - /* Process range list. */ - unsigned int max = debug_info_p->max_range_lists; - unsigned int num = debug_info_p->num_range_lists; + if ((tag & 2) == 0 && display_proc_gnu_attribute) + return display_proc_gnu_attribute (p, tag); - if (max == 0 || num >= max) - { - max += 1024; - debug_info_p->range_lists - = xcrealloc (debug_info_p->range_lists, - max, sizeof (*debug_info_p->range_lists)); - debug_info_p->max_range_lists = max; - } - debug_info_p->range_lists [num] = uvalue; - debug_info_p->num_range_lists++; - } - break; + if (tag & 1) + type = 1; /* String. */ + else + type = 2; /* uleb128. */ + printf (" Tag_unknown_%d: ", tag); - default: - break; - } + if (type == 1) + { + printf ("\"%s\"\n", p); + p += strlen ((char *) p) + 1; + } + else + { + val = read_uleb128 (p, &len); + p += len; + printf ("%d (0x%x)\n", val, val); } - if (do_loc) - return data; + return p; +} - printf ("\t"); +static unsigned char * +display_power_gnu_attribute (unsigned char *p, int tag) +{ + int type; + unsigned int len; + int val; - switch (attribute) + if (tag == Tag_GNU_Power_ABI_FP) { - case DW_AT_inline: - switch (uvalue) + val = read_uleb128 (p, &len); + p += len; + printf (" Tag_GNU_Power_ABI_FP: "); + + switch (val) { - case DW_INL_not_inlined: - printf (_("(not inlined)")); - break; - case DW_INL_inlined: - printf (_("(inlined)")); + case 0: + printf ("Hard or soft float\n"); break; - case DW_INL_declared_not_inlined: - printf (_("(declared as inline but ignored)")); + case 1: + printf ("Hard float\n"); break; - case DW_INL_declared_inlined: - printf (_("(declared as inline and inlined)")); + case 2: + printf ("Soft float\n"); break; default: - printf (_(" (Unknown inline attribute value: %lx)"), uvalue); + printf ("??? (%d)\n", val); break; } - break; + return p; + } - case DW_AT_language: - switch (uvalue) - { - case DW_LANG_C: printf ("(non-ANSI C)"); break; - case DW_LANG_C89: printf ("(ANSI C)"); break; - case DW_LANG_C_plus_plus: printf ("(C++)"); break; - case DW_LANG_Fortran77: printf ("(FORTRAN 77)"); break; - case DW_LANG_Fortran90: printf ("(Fortran 90)"); break; - case DW_LANG_Modula2: printf ("(Modula 2)"); break; - case DW_LANG_Pascal83: printf ("(ANSI Pascal)"); break; - case DW_LANG_Ada83: printf ("(Ada)"); break; - case DW_LANG_Cobol74: printf ("(Cobol 74)"); break; - case DW_LANG_Cobol85: printf ("(Cobol 85)"); break; - /* DWARF 2.1 values. */ - case DW_LANG_C99: printf ("(ANSI C99)"); break; - case DW_LANG_Ada95: printf ("(ADA 95)"); break; - case DW_LANG_Fortran95: printf ("(Fortran 95)"); break; - /* MIPS extension. */ - case DW_LANG_Mips_Assembler: printf ("(MIPS assembler)"); break; - /* UPC extension. */ - case DW_LANG_Upc: printf ("(Unified Parallel C)"); break; - default: - printf ("(Unknown: %lx)", uvalue); + if (tag == Tag_GNU_Power_ABI_Vector) + { + val = read_uleb128 (p, &len); + p += len; + printf (" Tag_GNU_Power_ABI_Vector: "); + switch (val) + { + case 0: + printf ("Any\n"); break; - } - break; - - case DW_AT_encoding: - switch (uvalue) - { - case DW_ATE_void: printf ("(void)"); break; - case DW_ATE_address: printf ("(machine address)"); break; - case DW_ATE_boolean: printf ("(boolean)"); break; - case DW_ATE_complex_float: printf ("(complex float)"); break; - case DW_ATE_float: printf ("(float)"); break; - case DW_ATE_signed: printf ("(signed)"); break; - case DW_ATE_signed_char: printf ("(signed char)"); break; - case DW_ATE_unsigned: printf ("(unsigned)"); break; - case DW_ATE_unsigned_char: printf ("(unsigned char)"); break; - /* DWARF 2.1 value. */ - case DW_ATE_imaginary_float: printf ("(imaginary float)"); break; - case DW_ATE_decimal_float: printf ("(decimal float)"); break; - default: - if (uvalue >= DW_ATE_lo_user - && uvalue <= DW_ATE_hi_user) - printf ("(user defined type)"); - else - printf ("(unknown type)"); + case 1: + printf ("Generic\n"); break; - } - break; - - case DW_AT_accessibility: - switch (uvalue) - { - case DW_ACCESS_public: printf ("(public)"); break; - case DW_ACCESS_protected: printf ("(protected)"); break; - case DW_ACCESS_private: printf ("(private)"); break; - default: - printf ("(unknown accessibility)"); + case 2: + printf ("AltiVec\n"); + break; + case 3: + printf ("SPE\n"); break; - } - break; - - case DW_AT_visibility: - switch (uvalue) - { - case DW_VIS_local: printf ("(local)"); break; - case DW_VIS_exported: printf ("(exported)"); break; - case DW_VIS_qualified: printf ("(qualified)"); break; - default: printf ("(unknown visibility)"); break; - } - break; - - case DW_AT_virtuality: - switch (uvalue) - { - case DW_VIRTUALITY_none: printf ("(none)"); break; - case DW_VIRTUALITY_virtual: printf ("(virtual)"); break; - case DW_VIRTUALITY_pure_virtual:printf ("(pure_virtual)"); break; - default: printf ("(unknown virtuality)"); break; - } - break; - - case DW_AT_identifier_case: - switch (uvalue) - { - case DW_ID_case_sensitive: printf ("(case_sensitive)"); break; - case DW_ID_up_case: printf ("(up_case)"); break; - case DW_ID_down_case: printf ("(down_case)"); break; - case DW_ID_case_insensitive: printf ("(case_insensitive)"); break; - default: printf ("(unknown case)"); break; - } - break; - - case DW_AT_calling_convention: - switch (uvalue) - { - case DW_CC_normal: printf ("(normal)"); break; - case DW_CC_program: printf ("(program)"); break; - case DW_CC_nocall: printf ("(nocall)"); break; default: - if (uvalue >= DW_CC_lo_user - && uvalue <= DW_CC_hi_user) - printf ("(user defined)"); - else - printf ("(unknown convention)"); - } - break; - - case DW_AT_ordering: - switch (uvalue) - { - case -1: printf ("(undefined)"); break; - case 0: printf ("(row major)"); break; - case 1: printf ("(column major)"); break; + printf ("??? (%d)\n", val); + break; } - break; + return p; + } - case DW_AT_frame_base: - have_frame_base = 1; - case DW_AT_location: - case DW_AT_data_member_location: - case DW_AT_vtable_elem_location: - case DW_AT_allocated: - case DW_AT_associated: - case DW_AT_data_location: - case DW_AT_stride: - case DW_AT_upper_bound: - case DW_AT_lower_bound: - if (block_start) - { - int need_frame_base; - - printf ("("); - need_frame_base = decode_location_expression (block_start, - pointer_size, - uvalue, - cu_offset); - printf (")"); - if (need_frame_base && !have_frame_base) - printf (_(" [without DW_AT_frame_base]")); - } - else if (form == DW_FORM_data4 || form == DW_FORM_data8) - printf (_("(location list)")); - - break; + if (tag & 1) + type = 1; /* String. */ + else + type = 2; /* uleb128. */ + printf (" Tag_unknown_%d: ", tag); - default: - break; + if (type == 1) + { + printf ("\"%s\"\n", p); + p += strlen ((char *) p) + 1; } - - return data; -} - -static char * -get_AT_name (unsigned long attribute) -{ - switch (attribute) - { - case DW_AT_sibling: return "DW_AT_sibling"; - case DW_AT_location: return "DW_AT_location"; - case DW_AT_name: return "DW_AT_name"; - case DW_AT_ordering: return "DW_AT_ordering"; - case DW_AT_subscr_data: return "DW_AT_subscr_data"; - case DW_AT_byte_size: return "DW_AT_byte_size"; - case DW_AT_bit_offset: return "DW_AT_bit_offset"; - case DW_AT_bit_size: return "DW_AT_bit_size"; - case DW_AT_element_list: return "DW_AT_element_list"; - case DW_AT_stmt_list: return "DW_AT_stmt_list"; - case DW_AT_low_pc: return "DW_AT_low_pc"; - case DW_AT_high_pc: return "DW_AT_high_pc"; - case DW_AT_language: return "DW_AT_language"; - case DW_AT_member: return "DW_AT_member"; - case DW_AT_discr: return "DW_AT_discr"; - case DW_AT_discr_value: return "DW_AT_discr_value"; - case DW_AT_visibility: return "DW_AT_visibility"; - case DW_AT_import: return "DW_AT_import"; - case DW_AT_string_length: return "DW_AT_string_length"; - case DW_AT_common_reference: return "DW_AT_common_reference"; - case DW_AT_comp_dir: return "DW_AT_comp_dir"; - case DW_AT_const_value: return "DW_AT_const_value"; - case DW_AT_containing_type: return "DW_AT_containing_type"; - case DW_AT_default_value: return "DW_AT_default_value"; - case DW_AT_inline: return "DW_AT_inline"; - case DW_AT_is_optional: return "DW_AT_is_optional"; - case DW_AT_lower_bound: return "DW_AT_lower_bound"; - case DW_AT_producer: return "DW_AT_producer"; - case DW_AT_prototyped: return "DW_AT_prototyped"; - case DW_AT_return_addr: return "DW_AT_return_addr"; - case DW_AT_start_scope: return "DW_AT_start_scope"; - case DW_AT_stride_size: return "DW_AT_stride_size"; - case DW_AT_upper_bound: return "DW_AT_upper_bound"; - case DW_AT_abstract_origin: return "DW_AT_abstract_origin"; - case DW_AT_accessibility: return "DW_AT_accessibility"; - case DW_AT_address_class: return "DW_AT_address_class"; - case DW_AT_artificial: return "DW_AT_artificial"; - case DW_AT_base_types: return "DW_AT_base_types"; - case DW_AT_calling_convention: return "DW_AT_calling_convention"; - case DW_AT_count: return "DW_AT_count"; - case DW_AT_data_member_location: return "DW_AT_data_member_location"; - case DW_AT_decl_column: return "DW_AT_decl_column"; - case DW_AT_decl_file: return "DW_AT_decl_file"; - case DW_AT_decl_line: return "DW_AT_decl_line"; - case DW_AT_declaration: return "DW_AT_declaration"; - case DW_AT_discr_list: return "DW_AT_discr_list"; - case DW_AT_encoding: return "DW_AT_encoding"; - case DW_AT_external: return "DW_AT_external"; - case DW_AT_frame_base: return "DW_AT_frame_base"; - case DW_AT_friend: return "DW_AT_friend"; - case DW_AT_identifier_case: return "DW_AT_identifier_case"; - case DW_AT_macro_info: return "DW_AT_macro_info"; - case DW_AT_namelist_items: return "DW_AT_namelist_items"; - case DW_AT_priority: return "DW_AT_priority"; - case DW_AT_segment: return "DW_AT_segment"; - case DW_AT_specification: return "DW_AT_specification"; - case DW_AT_static_link: return "DW_AT_static_link"; - case DW_AT_type: return "DW_AT_type"; - case DW_AT_use_location: return "DW_AT_use_location"; - case DW_AT_variable_parameter: return "DW_AT_variable_parameter"; - case DW_AT_virtuality: return "DW_AT_virtuality"; - case DW_AT_vtable_elem_location: return "DW_AT_vtable_elem_location"; - /* DWARF 2.1 values. */ - case DW_AT_allocated: return "DW_AT_allocated"; - case DW_AT_associated: return "DW_AT_associated"; - case DW_AT_data_location: return "DW_AT_data_location"; - case DW_AT_stride: return "DW_AT_stride"; - case DW_AT_entry_pc: return "DW_AT_entry_pc"; - case DW_AT_use_UTF8: return "DW_AT_use_UTF8"; - case DW_AT_extension: return "DW_AT_extension"; - case DW_AT_ranges: return "DW_AT_ranges"; - case DW_AT_trampoline: return "DW_AT_trampoline"; - case DW_AT_call_column: return "DW_AT_call_column"; - case DW_AT_call_file: return "DW_AT_call_file"; - case DW_AT_call_line: return "DW_AT_call_line"; - /* SGI/MIPS extensions. */ - case DW_AT_MIPS_fde: return "DW_AT_MIPS_fde"; - case DW_AT_MIPS_loop_begin: return "DW_AT_MIPS_loop_begin"; - case DW_AT_MIPS_tail_loop_begin: return "DW_AT_MIPS_tail_loop_begin"; - case DW_AT_MIPS_epilog_begin: return "DW_AT_MIPS_epilog_begin"; - case DW_AT_MIPS_loop_unroll_factor: return "DW_AT_MIPS_loop_unroll_factor"; - case DW_AT_MIPS_software_pipeline_depth: - return "DW_AT_MIPS_software_pipeline_depth"; - case DW_AT_MIPS_linkage_name: return "DW_AT_MIPS_linkage_name"; - case DW_AT_MIPS_stride: return "DW_AT_MIPS_stride"; - case DW_AT_MIPS_abstract_name: return "DW_AT_MIPS_abstract_name"; - case DW_AT_MIPS_clone_origin: return "DW_AT_MIPS_clone_origin"; - case DW_AT_MIPS_has_inlines: return "DW_AT_MIPS_has_inlines"; - /* GNU extensions. */ - case DW_AT_sf_names: return "DW_AT_sf_names"; - case DW_AT_src_info: return "DW_AT_src_info"; - case DW_AT_mac_info: return "DW_AT_mac_info"; - case DW_AT_src_coords: return "DW_AT_src_coords"; - case DW_AT_body_begin: return "DW_AT_body_begin"; - case DW_AT_body_end: return "DW_AT_body_end"; - case DW_AT_GNU_vector: return "DW_AT_GNU_vector"; - /* UPC extension. */ - case DW_AT_upc_threads_scaled: return "DW_AT_upc_threads_scaled"; - default: - { - static char buffer[100]; - - snprintf (buffer, sizeof (buffer), _("Unknown AT value: %lx"), - attribute); - return buffer; - } + else + { + val = read_uleb128 (p, &len); + p += len; + printf ("%d (0x%x)\n", val, val); } + + return p; } static unsigned char * -read_and_display_attr (unsigned long attribute, - unsigned long form, - unsigned char *data, - unsigned long cu_offset, - unsigned long pointer_size, - unsigned long offset_size, - int dwarf_version, - debug_info *debug_info_p, - int do_loc) -{ - if (!do_loc) - printf (" %-18s:", get_AT_name (attribute)); - data = read_and_display_attr_value (attribute, form, data, cu_offset, - pointer_size, offset_size, - dwarf_version, debug_info_p, - do_loc); - if (!do_loc) - printf ("\n"); - return data; -} - - -/* Process the contents of a .debug_info section. If do_loc is non-zero - then we are scanning for location lists and we do not want to display - anything to the user. */ - -static int -process_debug_info (Elf_Internal_Shdr *section, unsigned char *start, - FILE *file, int do_loc) -{ - unsigned char *end = start + section->sh_size; - unsigned char *section_begin; - unsigned int unit; - unsigned int num_units = 0; - - if ((do_loc || do_debug_loc || do_debug_ranges) - && num_debug_info_entries == 0) - { - unsigned long length; - - /* First scan the section to get the number of comp units. */ - for (section_begin = start, num_units = 0; section_begin < end; - num_units ++) - { - /* Read the first 4 bytes. For a 32-bit DWARF section, this - will be the length. For a 64-bit DWARF section, it'll be - the escape code 0xffffffff followed by an 8 byte length. */ - length = byte_get (section_begin, 4); - - if (length == 0xffffffff) - { - length = byte_get (section_begin + 4, 8); - section_begin += length + 12; - } - else - section_begin += length + 4; - } - - if (num_units == 0) - { - error (_("No comp units in .debug_info section ?")); - return 0; - } - - /* Then allocate an array to hold the information. */ - debug_information = cmalloc (num_units, - sizeof (* debug_information)); - if (debug_information == NULL) - { - error (_("Not enough memory for a debug info array of %u entries"), - num_units); - return 0; - } - } - - if (!do_loc) - { - printf (_("The section %s contains:\n\n"), - SECTION_NAME (section)); - - load_debug_str (file); - load_debug_loc (file); - load_debug_range (file); - } - - load_debug_abbrev (file); - if (debug_abbrev_contents == NULL) - { - warn (_("Unable to locate .debug_abbrev section!\n")); - return 0; - } - - for (section_begin = start, unit = 0; start < end; unit++) - { - DWARF2_Internal_CompUnit compunit; - unsigned char *hdrptr; - unsigned char *cu_abbrev_offset_ptr; - unsigned char *tags; - int level; - unsigned long cu_offset; - int offset_size; - int initial_length_size; - - hdrptr = start; - - compunit.cu_length = byte_get (hdrptr, 4); - hdrptr += 4; - - if (compunit.cu_length == 0xffffffff) - { - compunit.cu_length = byte_get (hdrptr, 8); - hdrptr += 8; - offset_size = 8; - initial_length_size = 12; - } - else - { - offset_size = 4; - initial_length_size = 4; - } - - compunit.cu_version = byte_get (hdrptr, 2); - hdrptr += 2; - - cu_offset = start - section_begin; - start += compunit.cu_length + initial_length_size; - - if (elf_header.e_type == ET_REL - && !debug_apply_rela_addends (file, section, offset_size, - section_begin, hdrptr, start)) - return 0; - - cu_abbrev_offset_ptr = hdrptr; - compunit.cu_abbrev_offset = byte_get (hdrptr, offset_size); - hdrptr += offset_size; - - compunit.cu_pointer_size = byte_get (hdrptr, 1); - hdrptr += 1; - if ((do_loc || do_debug_loc || do_debug_ranges) - && num_debug_info_entries == 0) - { - debug_information [unit].cu_offset = cu_offset; - debug_information [unit].pointer_size - = compunit.cu_pointer_size; - debug_information [unit].base_address = 0; - debug_information [unit].loc_offsets = NULL; - debug_information [unit].have_frame_base = NULL; - debug_information [unit].max_loc_offsets = 0; - debug_information [unit].num_loc_offsets = 0; - debug_information [unit].range_lists = NULL; - debug_information [unit].max_range_lists= 0; - debug_information [unit].num_range_lists = 0; - } - - tags = hdrptr; - - if (!do_loc) - { - printf (_(" Compilation Unit @ offset 0x%lx:\n"), cu_offset); - printf (_(" Length: %ld\n"), compunit.cu_length); - printf (_(" Version: %d\n"), compunit.cu_version); - printf (_(" Abbrev Offset: %ld\n"), compunit.cu_abbrev_offset); - printf (_(" Pointer Size: %d\n"), compunit.cu_pointer_size); - } - - if (compunit.cu_version != 2 && compunit.cu_version != 3) - { - warn (_("Only version 2 and 3 DWARF debug information is currently supported.\n")); - continue; - } - - free_abbrevs (); - - /* Process the abbrevs used by this compilation unit. */ - process_abbrev_section - (debug_abbrev_contents + compunit.cu_abbrev_offset, - debug_abbrev_contents + debug_abbrev_size); - - level = 0; - while (tags < start) - { - unsigned int bytes_read; - unsigned long abbrev_number; - abbrev_entry *entry; - abbrev_attr *attr; - - abbrev_number = read_leb128 (tags, & bytes_read, 0); - tags += bytes_read; - - /* A null DIE marks the end of a list of children. */ - if (abbrev_number == 0) - { - --level; - continue; - } - - /* Scan through the abbreviation list until we reach the - correct entry. */ - for (entry = first_abbrev; - entry && entry->entry != abbrev_number; - entry = entry->next) - continue; - - if (entry == NULL) - { - warn (_("Unable to locate entry %lu in the abbreviation table\n"), - abbrev_number); - return 0; - } - - if (!do_loc) - printf (_(" <%d><%lx>: Abbrev Number: %lu (%s)\n"), - level, - (unsigned long) (tags - section_begin - - bytes_read), - abbrev_number, - get_TAG_name (entry->tag)); - - switch (entry->tag) - { - default: - need_base_address = 0; - break; - case DW_TAG_compile_unit: - need_base_address = 1; - break; - case DW_TAG_entry_point: - case DW_TAG_inlined_subroutine: - case DW_TAG_subprogram: - need_base_address = 0; - /* Assuming that there is no DW_AT_frame_base. */ - have_frame_base = 0; - break; - } - - for (attr = entry->first_attr; attr; attr = attr->next) - tags = read_and_display_attr (attr->attribute, - attr->form, - tags, cu_offset, - compunit.cu_pointer_size, - offset_size, - compunit.cu_version, - &debug_information [unit], - do_loc); - - if (entry->children) - ++level; - } - } - - free_debug_abbrev (); - - /* Set num_debug_info_entries here so that it can be used to check if - we need to process .debug_loc and .debug_ranges sections. */ - if ((do_loc || do_debug_loc || do_debug_ranges) - && num_debug_info_entries == 0) - num_debug_info_entries = num_units; - - if (!do_loc) - { - free_debug_range (); - free_debug_str (); - free_debug_loc (); - - printf ("\n"); - } - - return 1; -} - -/* Retrieve the pointer size associated with the given compilation unit. - Optionally the offset of this unit into the .debug_info section is - also retutned. If there is no .debug_info section then an error - message is issued and 0 is returned. If the requested comp unit has - not been defined in the .debug_info section then a warning message - is issued and the last know pointer size is returned. This message - is only issued once per section dumped per file dumped. */ - -static unsigned int -get_pointer_size_and_offset_of_comp_unit (unsigned int comp_unit, - const char * section_name, - unsigned long * offset_return) -{ - unsigned long offset = 0; - - if (num_debug_info_entries == 0) - error (_("%s section needs a populated .debug_info section\n"), - section_name); - - else if (comp_unit >= num_debug_info_entries) - { - if (!warned_about_missing_comp_units) - { - warn (_("%s section has more comp units than .debug_info section\n"), - section_name); - warn (_("assuming that the pointer size is %d, from the last comp unit in .debug_info\n\n"), - last_pointer_size); - warned_about_missing_comp_units = TRUE; - } - } - else - { - last_pointer_size = debug_information [comp_unit].pointer_size; - offset = debug_information [comp_unit].cu_offset; - } - - if (offset_return != NULL) - * offset_return = offset; - - return last_pointer_size; -} - -/* Locate and scan the .debug_info section in the file and record the pointer - sizes and offsets for the compilation units in it. Usually an executable - will have just one pointer size, but this is not guaranteed, and so we try - not to make any assumptions. Returns zero upon failure, or the number of - compilation units upon success. */ - -static unsigned int -get_debug_info (FILE * file) -{ - Elf_Internal_Shdr * section; - unsigned char * start; - int ret; - - /* Reset the last pointer size so that we can issue correct error - messages if we are displaying the contents of more than one section. */ - last_pointer_size = 0; - warned_about_missing_comp_units = FALSE; - - /* If we already have the information there is nothing else to do. */ - if (num_debug_info_entries > 0) - return num_debug_info_entries; - - section = find_section (".debug_info"); - if (section == NULL) - return 0; - - start = get_data (NULL, file, section->sh_offset, 1, section->sh_size, - _("extracting information from .debug_info section")); - if (start == NULL) - return 0; - - ret = process_debug_info (section, start, file, 1); - free (start); - - return ret ? num_debug_info_entries : 0; -} - -static int -display_debug_lines (Elf_Internal_Shdr *section, - unsigned char *start, FILE *file) -{ - unsigned char *data = start; - unsigned char *end = start + section->sh_size; - unsigned int comp_unit = 0; - - printf (_("\nDump of debug contents of section %s:\n\n"), - SECTION_NAME (section)); - - get_debug_info (file); - - while (data < end) - { - DWARF2_Internal_LineInfo info; - unsigned char *standard_opcodes; - unsigned char *end_of_sequence; - unsigned char *hdrptr; - unsigned int pointer_size; - int initial_length_size; - int offset_size; - int i; - - hdrptr = data; - - /* Check the length of the block. */ - info.li_length = byte_get (hdrptr, 4); - hdrptr += 4; - - if (info.li_length == 0xffffffff) - { - /* This section is 64-bit DWARF 3. */ - info.li_length = byte_get (hdrptr, 8); - hdrptr += 8; - offset_size = 8; - initial_length_size = 12; - } - else - { - offset_size = 4; - initial_length_size = 4; - } - - if (info.li_length + initial_length_size > section->sh_size) - { - warn - (_("The line info appears to be corrupt - the section is too small\n")); - return 0; - } - - /* Check its version number. */ - info.li_version = byte_get (hdrptr, 2); - hdrptr += 2; - if (info.li_version != 2 && info.li_version != 3) - { - warn (_("Only DWARF version 2 and 3 line info is currently supported.\n")); - return 0; - } - - info.li_prologue_length = byte_get (hdrptr, offset_size); - hdrptr += offset_size; - info.li_min_insn_length = byte_get (hdrptr, 1); - hdrptr++; - info.li_default_is_stmt = byte_get (hdrptr, 1); - hdrptr++; - info.li_line_base = byte_get (hdrptr, 1); - hdrptr++; - info.li_line_range = byte_get (hdrptr, 1); - hdrptr++; - info.li_opcode_base = byte_get (hdrptr, 1); - hdrptr++; - - /* Sign extend the line base field. */ - info.li_line_base <<= 24; - info.li_line_base >>= 24; - - /* Get the pointer size from the comp unit associated - with this block of line number information. */ - pointer_size = get_pointer_size_and_offset_of_comp_unit - (comp_unit, ".debug_line", NULL); - comp_unit ++; - - printf (_(" Length: %ld\n"), info.li_length); - printf (_(" DWARF Version: %d\n"), info.li_version); - printf (_(" Prologue Length: %d\n"), info.li_prologue_length); - printf (_(" Minimum Instruction Length: %d\n"), info.li_min_insn_length); - printf (_(" Initial value of 'is_stmt': %d\n"), info.li_default_is_stmt); - printf (_(" Line Base: %d\n"), info.li_line_base); - printf (_(" Line Range: %d\n"), info.li_line_range); - printf (_(" Opcode Base: %d\n"), info.li_opcode_base); - printf (_(" (Pointer size: %u)%s\n"), - pointer_size, - warned_about_missing_comp_units ? " [assumed]" : "" ); - - end_of_sequence = data + info.li_length + initial_length_size; - - reset_state_machine (info.li_default_is_stmt); - - /* Display the contents of the Opcodes table. */ - standard_opcodes = hdrptr; - - printf (_("\n Opcodes:\n")); - - for (i = 1; i < info.li_opcode_base; i++) - printf (_(" Opcode %d has %d args\n"), i, standard_opcodes[i - 1]); - - /* Display the contents of the Directory table. */ - data = standard_opcodes + info.li_opcode_base - 1; - - if (*data == 0) - printf (_("\n The Directory Table is empty.\n")); - else - { - printf (_("\n The Directory Table:\n")); - - while (*data != 0) - { - printf (_(" %s\n"), data); - - data += strlen ((char *) data) + 1; - } - } - - /* Skip the NUL at the end of the table. */ - data++; - - /* Display the contents of the File Name table. */ - if (*data == 0) - printf (_("\n The File Name Table is empty.\n")); - else - { - printf (_("\n The File Name Table:\n")); - printf (_(" Entry\tDir\tTime\tSize\tName\n")); - - while (*data != 0) - { - unsigned char *name; - unsigned int bytes_read; - - printf (_(" %d\t"), ++state_machine_regs.last_file_entry); - name = data; - - data += strlen ((char *) data) + 1; - - printf (_("%lu\t"), read_leb128 (data, & bytes_read, 0)); - data += bytes_read; - printf (_("%lu\t"), read_leb128 (data, & bytes_read, 0)); - data += bytes_read; - printf (_("%lu\t"), read_leb128 (data, & bytes_read, 0)); - data += bytes_read; - printf (_("%s\n"), name); - } - } - - /* Skip the NUL at the end of the table. */ - data++; - - /* Now display the statements. */ - printf (_("\n Line Number Statements:\n")); - - while (data < end_of_sequence) - { - unsigned char op_code; - int adv; - unsigned int bytes_read; - - op_code = *data++; - - if (op_code >= info.li_opcode_base) - { - op_code -= info.li_opcode_base; - adv = (op_code / info.li_line_range) * info.li_min_insn_length; - state_machine_regs.address += adv; - printf (_(" Special opcode %d: advance Address by %d to 0x%lx"), - op_code, adv, state_machine_regs.address); - adv = (op_code % info.li_line_range) + info.li_line_base; - state_machine_regs.line += adv; - printf (_(" and Line by %d to %d\n"), - adv, state_machine_regs.line); - } - else switch (op_code) - { - case DW_LNS_extended_op: - if (pointer_size == 0) - { - warn (_("Extend line ops need a valid pointer size, guessing at 4\n")); - pointer_size = 4; - } - - data += process_extended_line_op (data, info.li_default_is_stmt, - pointer_size); - break; - - case DW_LNS_copy: - printf (_(" Copy\n")); - break; - - case DW_LNS_advance_pc: - adv = info.li_min_insn_length * read_leb128 (data, & bytes_read, 0); - data += bytes_read; - state_machine_regs.address += adv; - printf (_(" Advance PC by %d to %lx\n"), adv, - state_machine_regs.address); - break; - - case DW_LNS_advance_line: - adv = read_leb128 (data, & bytes_read, 1); - data += bytes_read; - state_machine_regs.line += adv; - printf (_(" Advance Line by %d to %d\n"), adv, - state_machine_regs.line); - break; - - case DW_LNS_set_file: - adv = read_leb128 (data, & bytes_read, 0); - data += bytes_read; - printf (_(" Set File Name to entry %d in the File Name Table\n"), - adv); - state_machine_regs.file = adv; - break; - - case DW_LNS_set_column: - adv = read_leb128 (data, & bytes_read, 0); - data += bytes_read; - printf (_(" Set column to %d\n"), adv); - state_machine_regs.column = adv; - break; - - case DW_LNS_negate_stmt: - adv = state_machine_regs.is_stmt; - adv = ! adv; - printf (_(" Set is_stmt to %d\n"), adv); - state_machine_regs.is_stmt = adv; - break; - - case DW_LNS_set_basic_block: - printf (_(" Set basic block\n")); - state_machine_regs.basic_block = 1; - break; - - case DW_LNS_const_add_pc: - adv = (((255 - info.li_opcode_base) / info.li_line_range) - * info.li_min_insn_length); - state_machine_regs.address += adv; - printf (_(" Advance PC by constant %d to 0x%lx\n"), adv, - state_machine_regs.address); - break; - - case DW_LNS_fixed_advance_pc: - adv = byte_get (data, 2); - data += 2; - state_machine_regs.address += adv; - printf (_(" Advance PC by fixed size amount %d to 0x%lx\n"), - adv, state_machine_regs.address); - break; - - case DW_LNS_set_prologue_end: - printf (_(" Set prologue_end to true\n")); - break; - - case DW_LNS_set_epilogue_begin: - printf (_(" Set epilogue_begin to true\n")); - break; - - case DW_LNS_set_isa: - adv = read_leb128 (data, & bytes_read, 0); - data += bytes_read; - printf (_(" Set ISA to %d\n"), adv); - break; - - default: - printf (_(" Unknown opcode %d with operands: "), op_code); - - for (i = standard_opcodes[op_code - 1]; i > 0 ; --i) - { - printf ("0x%lx%s", read_leb128 (data, &bytes_read, 0), - i == 1 ? "" : ", "); - data += bytes_read; - } - putchar ('\n'); - break; - } - } - putchar ('\n'); - } - - return 1; -} - -static int -display_debug_pubnames (Elf_Internal_Shdr *section, - unsigned char *start, - FILE *file ATTRIBUTE_UNUSED) -{ - DWARF2_Internal_PubNames pubnames; - unsigned char *end; - - end = start + section->sh_size; - - printf (_("Contents of the %s section:\n\n"), SECTION_NAME (section)); - - while (start < end) - { - unsigned char *data; - unsigned long offset; - int offset_size, initial_length_size; - - data = start; - - pubnames.pn_length = byte_get (data, 4); - data += 4; - if (pubnames.pn_length == 0xffffffff) - { - pubnames.pn_length = byte_get (data, 8); - data += 8; - offset_size = 8; - initial_length_size = 12; - } - else - { - offset_size = 4; - initial_length_size = 4; - } - - pubnames.pn_version = byte_get (data, 2); - data += 2; - pubnames.pn_offset = byte_get (data, offset_size); - data += offset_size; - pubnames.pn_size = byte_get (data, offset_size); - data += offset_size; - - start += pubnames.pn_length + initial_length_size; - - if (pubnames.pn_version != 2 && pubnames.pn_version != 3) - { - static int warned = 0; - - if (! warned) - { - warn (_("Only DWARF 2 and 3 pubnames are currently supported\n")); - warned = 1; - } - - continue; - } - - printf (_(" Length: %ld\n"), - pubnames.pn_length); - printf (_(" Version: %d\n"), - pubnames.pn_version); - printf (_(" Offset into .debug_info section: %ld\n"), - pubnames.pn_offset); - printf (_(" Size of area in .debug_info section: %ld\n"), - pubnames.pn_size); - - printf (_("\n Offset\tName\n")); - - do - { - offset = byte_get (data, offset_size); - - if (offset != 0) - { - data += offset_size; - printf (" %-6ld\t\t%s\n", offset, data); - data += strlen ((char *) data) + 1; - } - } - while (offset != 0); - } - - printf ("\n"); - return 1; -} - -static int -display_debug_macinfo (Elf_Internal_Shdr *section, - unsigned char *start, - FILE *file ATTRIBUTE_UNUSED) -{ - unsigned char *end = start + section->sh_size; - unsigned char *curr = start; - unsigned int bytes_read; - enum dwarf_macinfo_record_type op; - - printf (_("Contents of the %s section:\n\n"), SECTION_NAME (section)); - - while (curr < end) - { - unsigned int lineno; - const char *string; - - op = *curr; - curr++; - - switch (op) - { - case DW_MACINFO_start_file: - { - unsigned int filenum; - - lineno = read_leb128 (curr, & bytes_read, 0); - curr += bytes_read; - filenum = read_leb128 (curr, & bytes_read, 0); - curr += bytes_read; - - printf (_(" DW_MACINFO_start_file - lineno: %d filenum: %d\n"), - lineno, filenum); - } - break; - - case DW_MACINFO_end_file: - printf (_(" DW_MACINFO_end_file\n")); - break; - - case DW_MACINFO_define: - lineno = read_leb128 (curr, & bytes_read, 0); - curr += bytes_read; - string = (char *) curr; - curr += strlen (string) + 1; - printf (_(" DW_MACINFO_define - lineno : %d macro : %s\n"), - lineno, string); - break; - - case DW_MACINFO_undef: - lineno = read_leb128 (curr, & bytes_read, 0); - curr += bytes_read; - string = (char *) curr; - curr += strlen (string) + 1; - printf (_(" DW_MACINFO_undef - lineno : %d macro : %s\n"), - lineno, string); - break; - - case DW_MACINFO_vendor_ext: - { - unsigned int constant; - - constant = read_leb128 (curr, & bytes_read, 0); - curr += bytes_read; - string = (char *) curr; - curr += strlen (string) + 1; - printf (_(" DW_MACINFO_vendor_ext - constant : %d string : %s\n"), - constant, string); - } - break; - } - } - - return 1; -} - - -static int -display_debug_abbrev (Elf_Internal_Shdr *section, - unsigned char *start, - FILE *file ATTRIBUTE_UNUSED) -{ - abbrev_entry *entry; - unsigned char *end = start + section->sh_size; - - printf (_("Contents of the %s section:\n\n"), SECTION_NAME (section)); - - do - { - start = process_abbrev_section (start, end); - - if (first_abbrev == NULL) - continue; - - printf (_(" Number TAG\n")); - - for (entry = first_abbrev; entry; entry = entry->next) - { - abbrev_attr *attr; - - printf (_(" %ld %s [%s]\n"), - entry->entry, - get_TAG_name (entry->tag), - entry->children ? _("has children") : _("no children")); - - for (attr = entry->first_attr; attr; attr = attr->next) - printf (_(" %-18s %s\n"), - get_AT_name (attr->attribute), - get_FORM_name (attr->form)); - } - - free_abbrevs (); - } - while (start); - - printf ("\n"); - - return 1; -} - -static int -display_debug_loc (Elf_Internal_Shdr *section, - unsigned char *start, FILE *file) -{ - unsigned char *section_end; - unsigned long bytes; - unsigned char *section_begin = start; - unsigned int num_loc_list = 0; - unsigned long last_offset = 0; - unsigned int first = 0; - unsigned int i; - unsigned int j; - int seen_first_offset = 0; - int use_debug_info = 1; - unsigned char *next; - - bytes = section->sh_size; - section_end = start + bytes; - - if (bytes == 0) - { - printf (_("\nThe .debug_loc section is empty.\n")); - return 0; - } - - get_debug_info (file); - - /* Check the order of location list in .debug_info section. If - offsets of location lists are in the ascending order, we can - use `debug_information' directly. */ - for (i = 0; i < num_debug_info_entries; i++) - { - unsigned int num; - - num = debug_information [i].num_loc_offsets; - num_loc_list += num; - - /* Check if we can use `debug_information' directly. */ - if (use_debug_info && num != 0) - { - if (!seen_first_offset) - { - /* This is the first location list. */ - last_offset = debug_information [i].loc_offsets [0]; - first = i; - seen_first_offset = 1; - j = 1; - } - else - j = 0; - - for (; j < num; j++) - { - if (last_offset > - debug_information [i].loc_offsets [j]) - { - use_debug_info = 0; - break; - } - last_offset = debug_information [i].loc_offsets [j]; - } - } - } - - if (!use_debug_info) - /* FIXME: Should we handle this case? */ - error (_("Location lists in .debug_info section aren't in ascending order!\n")); - - if (!seen_first_offset) - error (_("No location lists in .debug_info section!\n")); - - if (debug_information [first].loc_offsets [0] != 0) - warn (_("Location lists in .debug_loc section start at 0x%lx\n"), - debug_information [first].loc_offsets [0]); - - printf (_("Contents of the .debug_loc section:\n\n")); - printf (_(" Offset Begin End Expression\n")); - - seen_first_offset = 0; - for (i = first; i < num_debug_info_entries; i++) - { - unsigned long begin; - unsigned long end; - unsigned short length; - unsigned long offset; - unsigned int pointer_size; - unsigned long cu_offset; - unsigned long base_address; - int need_frame_base; - int has_frame_base; - - pointer_size = debug_information [i].pointer_size; - cu_offset = debug_information [i].cu_offset; - - for (j = 0; j < debug_information [i].num_loc_offsets; j++) - { - has_frame_base = debug_information [i].have_frame_base [j]; - offset = debug_information [i].loc_offsets [j]; - next = section_begin + offset; - base_address = debug_information [i].base_address; - - if (!seen_first_offset) - seen_first_offset = 1; - else - { - if (start < next) - warn (_("There is a hole [0x%lx - 0x%lx] in .debug_loc section.\n"), - (long)(start - section_begin), (long)(next - section_begin)); - else if (start > next) - warn (_("There is an overlap [0x%lx - 0x%lx] in .debug_loc section.\n"), - (long)(start - section_begin), (long)(next - section_begin)); - } - start = next; - - if (offset >= bytes) - { - warn (_("Offset 0x%lx is bigger than .debug_loc section size.\n"), - offset); - continue; - } - - while (1) - { - if (start + 2 * pointer_size > section_end) - { - warn (_("Location list starting at offset 0x%lx is not terminated.\n"), - offset); - break; - } - - begin = byte_get (start, pointer_size); - start += pointer_size; - end = byte_get (start, pointer_size); - start += pointer_size; - - if (begin == 0 && end == 0) - { - printf (_(" %8.8lx \n"), offset); - break; - } - - /* Check base address specifiers. */ - if (begin == -1UL && end != -1UL) - { - base_address = end; - printf (_(" %8.8lx %8.8lx %8.8lx (base address)\n"), - offset, begin, end); - continue; - } - - if (start + 2 > section_end) - { - warn (_("Location list starting at offset 0x%lx is not terminated.\n"), - offset); - break; - } - - length = byte_get (start, 2); - start += 2; - - if (start + length > section_end) - { - warn (_("Location list starting at offset 0x%lx is not terminated.\n"), - offset); - break; - } - - printf (" %8.8lx %8.8lx %8.8lx (", - offset, begin + base_address, end + base_address); - need_frame_base = decode_location_expression (start, - pointer_size, - length, - cu_offset); - putchar (')'); - - if (need_frame_base && !has_frame_base) - printf (_(" [without DW_AT_frame_base]")); - - if (begin == end) - fputs (_(" (start == end)"), stdout); - else if (begin > end) - fputs (_(" (start > end)"), stdout); - - putchar ('\n'); - - start += length; - } - } - } - return 1; -} - -static int -display_debug_str (Elf_Internal_Shdr *section, - unsigned char *start, - FILE *file ATTRIBUTE_UNUSED) -{ - unsigned long bytes; - bfd_vma addr; - - addr = section->sh_addr; - bytes = section->sh_size; - - if (bytes == 0) - { - printf (_("\nThe .debug_str section is empty.\n")); - return 0; - } - - printf (_("Contents of the .debug_str section:\n\n")); - - while (bytes) - { - int j; - int k; - int lbytes; - - lbytes = (bytes > 16 ? 16 : bytes); - - printf (" 0x%8.8lx ", (unsigned long) addr); - - for (j = 0; j < 16; j++) - { - if (j < lbytes) - printf ("%2.2x", start[j]); - else - printf (" "); - - if ((j & 3) == 3) - printf (" "); - } - - for (j = 0; j < lbytes; j++) - { - k = start[j]; - if (k >= ' ' && k < 0x80) - printf ("%c", k); - else - printf ("."); - } - - putchar ('\n'); - - start += lbytes; - addr += lbytes; - bytes -= lbytes; - } - - putchar ('\n'); - - return 1; -} - - -static int -display_debug_info (Elf_Internal_Shdr * section, - unsigned char * start, FILE * file) -{ - return process_debug_info (section, start, file, 0); -} - - -static int -display_debug_aranges (Elf_Internal_Shdr *section, - unsigned char *start, - FILE *file ATTRIBUTE_UNUSED) -{ - unsigned char *end = start + section->sh_size; - - printf (_("The section %s contains:\n\n"), SECTION_NAME (section)); - - while (start < end) - { - unsigned char *hdrptr; - DWARF2_Internal_ARange arange; - unsigned char *ranges; - unsigned long length; - unsigned long address; - int excess; - int offset_size; - int initial_length_size; - - hdrptr = start; - - arange.ar_length = byte_get (hdrptr, 4); - hdrptr += 4; - - if (arange.ar_length == 0xffffffff) - { - arange.ar_length = byte_get (hdrptr, 8); - hdrptr += 8; - offset_size = 8; - initial_length_size = 12; - } - else - { - offset_size = 4; - initial_length_size = 4; - } - - arange.ar_version = byte_get (hdrptr, 2); - hdrptr += 2; - - arange.ar_info_offset = byte_get (hdrptr, offset_size); - hdrptr += offset_size; - - arange.ar_pointer_size = byte_get (hdrptr, 1); - hdrptr += 1; - - arange.ar_segment_size = byte_get (hdrptr, 1); - hdrptr += 1; - - if (arange.ar_version != 2 && arange.ar_version != 3) - { - warn (_("Only DWARF 2 and 3 aranges are currently supported.\n")); - break; - } - - printf (_(" Length: %ld\n"), arange.ar_length); - printf (_(" Version: %d\n"), arange.ar_version); - printf (_(" Offset into .debug_info: %lx\n"), arange.ar_info_offset); - printf (_(" Pointer Size: %d\n"), arange.ar_pointer_size); - printf (_(" Segment Size: %d\n"), arange.ar_segment_size); - - printf (_("\n Address Length\n")); - - ranges = hdrptr; - - /* Must pad to an alignment boundary that is twice the pointer size. */ - excess = (hdrptr - start) % (2 * arange.ar_pointer_size); - if (excess) - ranges += (2 * arange.ar_pointer_size) - excess; - - for (;;) - { - address = byte_get (ranges, arange.ar_pointer_size); - - ranges += arange.ar_pointer_size; - - length = byte_get (ranges, arange.ar_pointer_size); - - ranges += arange.ar_pointer_size; - - /* A pair of zeros marks the end of the list. */ - if (address == 0 && length == 0) - break; - - printf (" %8.8lx %lu\n", address, length); - } - - start += arange.ar_length + initial_length_size; - } - - printf ("\n"); - - return 1; -} - -static int -display_debug_ranges (Elf_Internal_Shdr *section, - unsigned char *start, - FILE *file ATTRIBUTE_UNUSED) -{ - unsigned char *section_end; - unsigned long bytes; - unsigned char *section_begin = start; - unsigned int num_range_list = 0; - unsigned long last_offset = 0; - unsigned int first = 0; - unsigned int i; - unsigned int j; - int seen_first_offset = 0; - int use_debug_info = 1; - unsigned char *next; - - bytes = section->sh_size; - section_end = start + bytes; - - if (bytes == 0) - { - printf (_("\nThe .debug_ranges section is empty.\n")); - return 0; - } - - get_debug_info (file); - - /* Check the order of range list in .debug_info section. If - offsets of range lists are in the ascending order, we can - use `debug_information' directly. */ - for (i = 0; i < num_debug_info_entries; i++) - { - unsigned int num; - - num = debug_information [i].num_range_lists; - num_range_list += num; - - /* Check if we can use `debug_information' directly. */ - if (use_debug_info && num != 0) - { - if (!seen_first_offset) - { - /* This is the first range list. */ - last_offset = debug_information [i].range_lists [0]; - first = i; - seen_first_offset = 1; - j = 1; - } - else - j = 0; - - for (; j < num; j++) - { - if (last_offset > - debug_information [i].range_lists [j]) - { - use_debug_info = 0; - break; - } - last_offset = debug_information [i].range_lists [j]; - } - } - } - - if (!use_debug_info) - /* FIXME: Should we handle this case? */ - error (_("Range lists in .debug_info section aren't in ascending order!\n")); - - if (!seen_first_offset) - error (_("No range lists in .debug_info section!\n")); - - if (debug_information [first].range_lists [0] != 0) - warn (_("Range lists in .debug_ranges section start at 0x%lx\n"), - debug_information [first].range_lists [0]); - - printf (_("Contents of the .debug_ranges section:\n\n")); - printf (_(" Offset Begin End\n")); - - seen_first_offset = 0; - for (i = first; i < num_debug_info_entries; i++) - { - unsigned long begin; - unsigned long end; - unsigned long offset; - unsigned int pointer_size; - unsigned long base_address; - - pointer_size = debug_information [i].pointer_size; - - for (j = 0; j < debug_information [i].num_range_lists; j++) - { - offset = debug_information [i].range_lists [j]; - next = section_begin + offset; - base_address = debug_information [i].base_address; - - if (!seen_first_offset) - seen_first_offset = 1; - else - { - if (start < next) - warn (_("There is a hole [0x%lx - 0x%lx] in .debug_ranges section.\n"), - (long)(start - section_begin), (long)(next - section_begin)); - else if (start > next) - warn (_("There is an overlap [0x%lx - 0x%lx] in .debug_ranges section.\n"), - (long)(start - section_begin), (long)(next - section_begin)); - } - start = next; - - while (1) - { - begin = byte_get (start, pointer_size); - start += pointer_size; - end = byte_get (start, pointer_size); - start += pointer_size; - - if (begin == 0 && end == 0) - { - printf (_(" %8.8lx \n"), offset); - break; - } - - /* Check base address specifiers. */ - if (begin == -1UL && end != -1UL) - { - base_address = end; - printf (" %8.8lx %8.8lx %8.8lx (base address)\n", - offset, begin, end); - continue; - } - - printf (" %8.8lx %8.8lx %8.8lx", - offset, begin + base_address, end + base_address); - - if (begin == end) - fputs (_(" (start == end)"), stdout); - else if (begin > end) - fputs (_(" (start > end)"), stdout); - - putchar ('\n'); - } - } - } - putchar ('\n'); - return 1; -} - -typedef struct Frame_Chunk -{ - struct Frame_Chunk *next; - unsigned char *chunk_start; - int ncols; - /* DW_CFA_{undefined,same_value,offset,register,unreferenced} */ - short int *col_type; - int *col_offset; - char *augmentation; - unsigned int code_factor; - int data_factor; - unsigned long pc_begin; - unsigned long pc_range; - int cfa_reg; - int cfa_offset; - int ra; - unsigned char fde_encoding; - unsigned char cfa_exp; -} -Frame_Chunk; - -/* A marker for a col_type that means this column was never referenced - in the frame info. */ -#define DW_CFA_unreferenced (-1) - -static void -frame_need_space (Frame_Chunk *fc, int reg) -{ - int prev = fc->ncols; - - if (reg < fc->ncols) - return; - - fc->ncols = reg + 1; - fc->col_type = xcrealloc (fc->col_type, fc->ncols, sizeof (short int)); - fc->col_offset = xcrealloc (fc->col_offset, fc->ncols, sizeof (int)); - - while (prev < fc->ncols) - { - fc->col_type[prev] = DW_CFA_unreferenced; - fc->col_offset[prev] = 0; - prev++; - } -} - -static void -frame_display_row (Frame_Chunk *fc, int *need_col_headers, int *max_regs) -{ - int r; - char tmp[100]; - - if (*max_regs < fc->ncols) - *max_regs = fc->ncols; - - if (*need_col_headers) - { - *need_col_headers = 0; - - printf (" LOC CFA "); - - for (r = 0; r < *max_regs; r++) - if (fc->col_type[r] != DW_CFA_unreferenced) - { - if (r == fc->ra) - printf ("ra "); - else - printf ("r%-4d", r); - } - - printf ("\n"); - } - - printf ("%08lx ", fc->pc_begin); - if (fc->cfa_exp) - strcpy (tmp, "exp"); - else - sprintf (tmp, "r%d%+d", fc->cfa_reg, fc->cfa_offset); - printf ("%-8s ", tmp); - - for (r = 0; r < fc->ncols; r++) - { - if (fc->col_type[r] != DW_CFA_unreferenced) - { - switch (fc->col_type[r]) - { - case DW_CFA_undefined: - strcpy (tmp, "u"); - break; - case DW_CFA_same_value: - strcpy (tmp, "s"); - break; - case DW_CFA_offset: - sprintf (tmp, "c%+d", fc->col_offset[r]); - break; - case DW_CFA_register: - sprintf (tmp, "r%d", fc->col_offset[r]); - break; - case DW_CFA_expression: - strcpy (tmp, "exp"); - break; - default: - strcpy (tmp, "n/a"); - break; - } - printf ("%-5s", tmp); - } - } - printf ("\n"); -} - -static int -size_of_encoded_value (int encoding) -{ - switch (encoding & 0x7) - { - default: /* ??? */ - case 0: return eh_addr_size; - case 2: return 2; - case 3: return 4; - case 4: return 8; - } -} - -static bfd_vma -get_encoded_value (unsigned char *data, int encoding) -{ - int size = size_of_encoded_value (encoding); - if (encoding & DW_EH_PE_signed) - return byte_get_signed (data, size); - else - return byte_get (data, size); -} - -#define GET(N) byte_get (start, N); start += N -#define LEB() read_leb128 (start, & length_return, 0); start += length_return -#define SLEB() read_leb128 (start, & length_return, 1); start += length_return - -static int -display_debug_frames (Elf_Internal_Shdr *section, - unsigned char *start, - FILE *file ATTRIBUTE_UNUSED) -{ - unsigned char *end = start + section->sh_size; - unsigned char *section_start = start; - Frame_Chunk *chunks = 0; - Frame_Chunk *remembered_state = 0; - Frame_Chunk *rs; - int is_eh = streq (SECTION_NAME (section), ".eh_frame"); - unsigned int length_return; - int max_regs = 0; - - printf (_("The section %s contains:\n"), SECTION_NAME (section)); - - while (start < end) - { - unsigned char *saved_start; - unsigned char *block_end; - unsigned long length; - unsigned long cie_id; - Frame_Chunk *fc; - Frame_Chunk *cie; - int need_col_headers = 1; - unsigned char *augmentation_data = NULL; - unsigned long augmentation_data_len = 0; - int encoded_ptr_size = eh_addr_size; - int offset_size; - int initial_length_size; - - saved_start = start; - length = byte_get (start, 4); start += 4; - - if (length == 0) - { - printf ("\n%08lx ZERO terminator\n\n", - (unsigned long)(saved_start - section_start)); - return 1; - } - - if (length == 0xffffffff) - { - length = byte_get (start, 8); - start += 8; - offset_size = 8; - initial_length_size = 12; - } - else - { - offset_size = 4; - initial_length_size = 4; - } - - block_end = saved_start + length + initial_length_size; - cie_id = byte_get (start, offset_size); start += offset_size; - - if (elf_header.e_type == ET_REL - && !debug_apply_rela_addends (file, section, offset_size, - section_start, start, block_end)) - return 0; - - if (is_eh ? (cie_id == 0) : (cie_id == DW_CIE_ID)) - { - int version; - - fc = xmalloc (sizeof (Frame_Chunk)); - memset (fc, 0, sizeof (Frame_Chunk)); - - fc->next = chunks; - chunks = fc; - fc->chunk_start = saved_start; - fc->ncols = 0; - fc->col_type = xmalloc (sizeof (short int)); - fc->col_offset = xmalloc (sizeof (int)); - frame_need_space (fc, max_regs-1); - - version = *start++; - - fc->augmentation = (char *) start; - start = (unsigned char *) strchr ((char *) start, '\0') + 1; - - if (fc->augmentation[0] == 'z') - { - fc->code_factor = LEB (); - fc->data_factor = SLEB (); - if (version == 1) - { - fc->ra = GET (1); - } - else - { - fc->ra = LEB (); - } - augmentation_data_len = LEB (); - augmentation_data = start; - start += augmentation_data_len; - } - else if (streq (fc->augmentation, "eh")) - { - start += eh_addr_size; - fc->code_factor = LEB (); - fc->data_factor = SLEB (); - if (version == 1) - { - fc->ra = GET (1); - } - else - { - fc->ra = LEB (); - } - } - else - { - fc->code_factor = LEB (); - fc->data_factor = SLEB (); - if (version == 1) - { - fc->ra = GET (1); - } - else - { - fc->ra = LEB (); - } - } - cie = fc; - - if (do_debug_frames_interp) - printf ("\n%08lx %08lx %08lx CIE \"%s\" cf=%d df=%d ra=%d\n", - (unsigned long)(saved_start - section_start), length, cie_id, - fc->augmentation, fc->code_factor, fc->data_factor, - fc->ra); - else - { - printf ("\n%08lx %08lx %08lx CIE\n", - (unsigned long)(saved_start - section_start), length, cie_id); - printf (" Version: %d\n", version); - printf (" Augmentation: \"%s\"\n", fc->augmentation); - printf (" Code alignment factor: %u\n", fc->code_factor); - printf (" Data alignment factor: %d\n", fc->data_factor); - printf (" Return address column: %d\n", fc->ra); - - if (augmentation_data_len) - { - unsigned long i; - printf (" Augmentation data: "); - for (i = 0; i < augmentation_data_len; ++i) - printf (" %02x", augmentation_data[i]); - putchar ('\n'); - } - putchar ('\n'); - } - - if (augmentation_data_len) - { - unsigned char *p, *q; - p = (unsigned char *) fc->augmentation + 1; - q = augmentation_data; - - while (1) - { - if (*p == 'L') - q++; - else if (*p == 'P') - q += 1 + size_of_encoded_value (*q); - else if (*p == 'R') - fc->fde_encoding = *q++; - else - break; - p++; - } - - if (fc->fde_encoding) - encoded_ptr_size = size_of_encoded_value (fc->fde_encoding); - } - - frame_need_space (fc, fc->ra); - } - else - { - unsigned char *look_for; - static Frame_Chunk fde_fc; - - fc = & fde_fc; - memset (fc, 0, sizeof (Frame_Chunk)); - - look_for = is_eh ? start - 4 - cie_id : section_start + cie_id; - - for (cie = chunks; cie ; cie = cie->next) - if (cie->chunk_start == look_for) - break; - - if (!cie) - { - warn ("Invalid CIE pointer %08lx in FDE at %p\n", - cie_id, saved_start); - start = block_end; - fc->ncols = 0; - fc->col_type = xmalloc (sizeof (short int)); - fc->col_offset = xmalloc (sizeof (int)); - frame_need_space (fc, max_regs - 1); - cie = fc; - fc->augmentation = ""; - fc->fde_encoding = 0; - } - else - { - fc->ncols = cie->ncols; - fc->col_type = xcmalloc (fc->ncols, sizeof (short int)); - fc->col_offset = xcmalloc (fc->ncols, sizeof (int)); - memcpy (fc->col_type, cie->col_type, fc->ncols * sizeof (short int)); - memcpy (fc->col_offset, cie->col_offset, fc->ncols * sizeof (int)); - fc->augmentation = cie->augmentation; - fc->code_factor = cie->code_factor; - fc->data_factor = cie->data_factor; - fc->cfa_reg = cie->cfa_reg; - fc->cfa_offset = cie->cfa_offset; - fc->ra = cie->ra; - frame_need_space (fc, max_regs-1); - fc->fde_encoding = cie->fde_encoding; - } - - if (fc->fde_encoding) - encoded_ptr_size = size_of_encoded_value (fc->fde_encoding); - - fc->pc_begin = get_encoded_value (start, fc->fde_encoding); - if ((fc->fde_encoding & 0x70) == DW_EH_PE_pcrel - /* Don't adjust for ET_REL since there's invariably a pcrel - reloc here, which we haven't applied. */ - && elf_header.e_type != ET_REL) - fc->pc_begin += section->sh_addr + (start - section_start); - start += encoded_ptr_size; - fc->pc_range = byte_get (start, encoded_ptr_size); - start += encoded_ptr_size; - - if (cie->augmentation[0] == 'z') - { - augmentation_data_len = LEB (); - augmentation_data = start; - start += augmentation_data_len; - } - - printf ("\n%08lx %08lx %08lx FDE cie=%08lx pc=%08lx..%08lx\n", - (unsigned long)(saved_start - section_start), length, cie_id, - (unsigned long)(cie->chunk_start - section_start), - fc->pc_begin, fc->pc_begin + fc->pc_range); - if (! do_debug_frames_interp && augmentation_data_len) - { - unsigned long i; - - printf (" Augmentation data: "); - for (i = 0; i < augmentation_data_len; ++i) - printf (" %02x", augmentation_data[i]); - putchar ('\n'); - putchar ('\n'); - } - } - - /* At this point, fc is the current chunk, cie (if any) is set, and - we're about to interpret instructions for the chunk. */ - /* ??? At present we need to do this always, since this sizes the - fc->col_type and fc->col_offset arrays, which we write into always. - We should probably split the interpreted and non-interpreted bits - into two different routines, since there's so much that doesn't - really overlap between them. */ - if (1 || do_debug_frames_interp) - { - /* Start by making a pass over the chunk, allocating storage - and taking note of what registers are used. */ - unsigned char *tmp = start; - - while (start < block_end) - { - unsigned op, opa; - unsigned long reg, tmp; - - op = *start++; - opa = op & 0x3f; - if (op & 0xc0) - op &= 0xc0; - - /* Warning: if you add any more cases to this switch, be - sure to add them to the corresponding switch below. */ - switch (op) - { - case DW_CFA_advance_loc: - break; - case DW_CFA_offset: - LEB (); - frame_need_space (fc, opa); - fc->col_type[opa] = DW_CFA_undefined; - break; - case DW_CFA_restore: - frame_need_space (fc, opa); - fc->col_type[opa] = DW_CFA_undefined; - break; - case DW_CFA_set_loc: - start += encoded_ptr_size; - break; - case DW_CFA_advance_loc1: - start += 1; - break; - case DW_CFA_advance_loc2: - start += 2; - break; - case DW_CFA_advance_loc4: - start += 4; - break; - case DW_CFA_offset_extended: - reg = LEB (); LEB (); - frame_need_space (fc, reg); - fc->col_type[reg] = DW_CFA_undefined; - break; - case DW_CFA_restore_extended: - reg = LEB (); - frame_need_space (fc, reg); - fc->col_type[reg] = DW_CFA_undefined; - break; - case DW_CFA_undefined: - reg = LEB (); - frame_need_space (fc, reg); - fc->col_type[reg] = DW_CFA_undefined; - break; - case DW_CFA_same_value: - reg = LEB (); - frame_need_space (fc, reg); - fc->col_type[reg] = DW_CFA_undefined; - break; - case DW_CFA_register: - reg = LEB (); LEB (); - frame_need_space (fc, reg); - fc->col_type[reg] = DW_CFA_undefined; - break; - case DW_CFA_def_cfa: - LEB (); LEB (); - break; - case DW_CFA_def_cfa_register: - LEB (); - break; - case DW_CFA_def_cfa_offset: - LEB (); - break; - case DW_CFA_def_cfa_expression: - tmp = LEB (); - start += tmp; - break; - case DW_CFA_expression: - reg = LEB (); - tmp = LEB (); - start += tmp; - frame_need_space (fc, reg); - fc->col_type[reg] = DW_CFA_undefined; - break; - case DW_CFA_offset_extended_sf: - reg = LEB (); SLEB (); - frame_need_space (fc, reg); - fc->col_type[reg] = DW_CFA_undefined; - break; - case DW_CFA_def_cfa_sf: - LEB (); SLEB (); - break; - case DW_CFA_def_cfa_offset_sf: - SLEB (); - break; - case DW_CFA_MIPS_advance_loc8: - start += 8; - break; - case DW_CFA_GNU_args_size: - LEB (); - break; - case DW_CFA_GNU_negative_offset_extended: - reg = LEB (); LEB (); - frame_need_space (fc, reg); - fc->col_type[reg] = DW_CFA_undefined; - - default: - break; - } - } - start = tmp; - } - - /* Now we know what registers are used, make a second pass over - the chunk, this time actually printing out the info. */ - - while (start < block_end) - { - unsigned op, opa; - unsigned long ul, reg, roffs; - long l, ofs; - bfd_vma vma; - - op = *start++; - opa = op & 0x3f; - if (op & 0xc0) - op &= 0xc0; - - /* Warning: if you add any more cases to this switch, be - sure to add them to the corresponding switch above. */ - switch (op) - { - case DW_CFA_advance_loc: - if (do_debug_frames_interp) - frame_display_row (fc, &need_col_headers, &max_regs); - else - printf (" DW_CFA_advance_loc: %d to %08lx\n", - opa * fc->code_factor, - fc->pc_begin + opa * fc->code_factor); - fc->pc_begin += opa * fc->code_factor; - break; - - case DW_CFA_offset: - roffs = LEB (); - if (! do_debug_frames_interp) - printf (" DW_CFA_offset: r%d at cfa%+ld\n", - opa, roffs * fc->data_factor); - fc->col_type[opa] = DW_CFA_offset; - fc->col_offset[opa] = roffs * fc->data_factor; - break; - - case DW_CFA_restore: - if (! do_debug_frames_interp) - printf (" DW_CFA_restore: r%d\n", opa); - fc->col_type[opa] = cie->col_type[opa]; - fc->col_offset[opa] = cie->col_offset[opa]; - break; - - case DW_CFA_set_loc: - vma = get_encoded_value (start, fc->fde_encoding); - if ((fc->fde_encoding & 0x70) == DW_EH_PE_pcrel - && elf_header.e_type != ET_REL) - vma += section->sh_addr + (start - section_start); - start += encoded_ptr_size; - if (do_debug_frames_interp) - frame_display_row (fc, &need_col_headers, &max_regs); - else - printf (" DW_CFA_set_loc: %08lx\n", (unsigned long)vma); - fc->pc_begin = vma; - break; - - case DW_CFA_advance_loc1: - ofs = byte_get (start, 1); start += 1; - if (do_debug_frames_interp) - frame_display_row (fc, &need_col_headers, &max_regs); - else - printf (" DW_CFA_advance_loc1: %ld to %08lx\n", - ofs * fc->code_factor, - fc->pc_begin + ofs * fc->code_factor); - fc->pc_begin += ofs * fc->code_factor; - break; - - case DW_CFA_advance_loc2: - ofs = byte_get (start, 2); start += 2; - if (do_debug_frames_interp) - frame_display_row (fc, &need_col_headers, &max_regs); - else - printf (" DW_CFA_advance_loc2: %ld to %08lx\n", - ofs * fc->code_factor, - fc->pc_begin + ofs * fc->code_factor); - fc->pc_begin += ofs * fc->code_factor; - break; - - case DW_CFA_advance_loc4: - ofs = byte_get (start, 4); start += 4; - if (do_debug_frames_interp) - frame_display_row (fc, &need_col_headers, &max_regs); - else - printf (" DW_CFA_advance_loc4: %ld to %08lx\n", - ofs * fc->code_factor, - fc->pc_begin + ofs * fc->code_factor); - fc->pc_begin += ofs * fc->code_factor; - break; - - case DW_CFA_offset_extended: - reg = LEB (); - roffs = LEB (); - if (! do_debug_frames_interp) - printf (" DW_CFA_offset_extended: r%ld at cfa%+ld\n", - reg, roffs * fc->data_factor); - fc->col_type[reg] = DW_CFA_offset; - fc->col_offset[reg] = roffs * fc->data_factor; - break; - - case DW_CFA_restore_extended: - reg = LEB (); - if (! do_debug_frames_interp) - printf (" DW_CFA_restore_extended: r%ld\n", reg); - fc->col_type[reg] = cie->col_type[reg]; - fc->col_offset[reg] = cie->col_offset[reg]; - break; - - case DW_CFA_undefined: - reg = LEB (); - if (! do_debug_frames_interp) - printf (" DW_CFA_undefined: r%ld\n", reg); - fc->col_type[reg] = DW_CFA_undefined; - fc->col_offset[reg] = 0; - break; - - case DW_CFA_same_value: - reg = LEB (); - if (! do_debug_frames_interp) - printf (" DW_CFA_same_value: r%ld\n", reg); - fc->col_type[reg] = DW_CFA_same_value; - fc->col_offset[reg] = 0; - break; - - case DW_CFA_register: - reg = LEB (); - roffs = LEB (); - if (! do_debug_frames_interp) - printf (" DW_CFA_register: r%ld in r%ld\n", reg, roffs); - fc->col_type[reg] = DW_CFA_register; - fc->col_offset[reg] = roffs; - break; - - case DW_CFA_remember_state: - if (! do_debug_frames_interp) - printf (" DW_CFA_remember_state\n"); - rs = xmalloc (sizeof (Frame_Chunk)); - rs->ncols = fc->ncols; - rs->col_type = xcmalloc (rs->ncols, sizeof (short int)); - rs->col_offset = xcmalloc (rs->ncols, sizeof (int)); - memcpy (rs->col_type, fc->col_type, rs->ncols); - memcpy (rs->col_offset, fc->col_offset, rs->ncols * sizeof (int)); - rs->next = remembered_state; - remembered_state = rs; - break; - - case DW_CFA_restore_state: - if (! do_debug_frames_interp) - printf (" DW_CFA_restore_state\n"); - rs = remembered_state; - if (rs) - { - remembered_state = rs->next; - frame_need_space (fc, rs->ncols-1); - memcpy (fc->col_type, rs->col_type, rs->ncols); - memcpy (fc->col_offset, rs->col_offset, - rs->ncols * sizeof (int)); - free (rs->col_type); - free (rs->col_offset); - free (rs); - } - else if (do_debug_frames_interp) - printf ("Mismatched DW_CFA_restore_state\n"); - break; - - case DW_CFA_def_cfa: - fc->cfa_reg = LEB (); - fc->cfa_offset = LEB (); - fc->cfa_exp = 0; - if (! do_debug_frames_interp) - printf (" DW_CFA_def_cfa: r%d ofs %d\n", - fc->cfa_reg, fc->cfa_offset); - break; - - case DW_CFA_def_cfa_register: - fc->cfa_reg = LEB (); - fc->cfa_exp = 0; - if (! do_debug_frames_interp) - printf (" DW_CFA_def_cfa_reg: r%d\n", fc->cfa_reg); - break; - - case DW_CFA_def_cfa_offset: - fc->cfa_offset = LEB (); - if (! do_debug_frames_interp) - printf (" DW_CFA_def_cfa_offset: %d\n", fc->cfa_offset); - break; - - case DW_CFA_nop: - if (! do_debug_frames_interp) - printf (" DW_CFA_nop\n"); - break; - - case DW_CFA_def_cfa_expression: - ul = LEB (); - if (! do_debug_frames_interp) - { - printf (" DW_CFA_def_cfa_expression ("); - decode_location_expression (start, eh_addr_size, ul, 0); - printf (")\n"); - } - fc->cfa_exp = 1; - start += ul; - break; - - case DW_CFA_expression: - reg = LEB (); - ul = LEB (); - if (! do_debug_frames_interp) - { - printf (" DW_CFA_expression: r%ld (", reg); - decode_location_expression (start, eh_addr_size, ul, 0); - printf (")\n"); - } - fc->col_type[reg] = DW_CFA_expression; - start += ul; - break; - - case DW_CFA_offset_extended_sf: - reg = LEB (); - l = SLEB (); - frame_need_space (fc, reg); - if (! do_debug_frames_interp) - printf (" DW_CFA_offset_extended_sf: r%ld at cfa%+ld\n", - reg, l * fc->data_factor); - fc->col_type[reg] = DW_CFA_offset; - fc->col_offset[reg] = l * fc->data_factor; - break; - - case DW_CFA_def_cfa_sf: - fc->cfa_reg = LEB (); - fc->cfa_offset = SLEB (); - fc->cfa_offset = fc->cfa_offset * fc->data_factor; - fc->cfa_exp = 0; - if (! do_debug_frames_interp) - printf (" DW_CFA_def_cfa_sf: r%d ofs %d\n", - fc->cfa_reg, fc->cfa_offset); - break; - - case DW_CFA_def_cfa_offset_sf: - fc->cfa_offset = SLEB (); - fc->cfa_offset = fc->cfa_offset * fc->data_factor; - if (! do_debug_frames_interp) - printf (" DW_CFA_def_cfa_offset_sf: %d\n", fc->cfa_offset); - break; - - case DW_CFA_MIPS_advance_loc8: - ofs = byte_get (start, 8); start += 8; - if (do_debug_frames_interp) - frame_display_row (fc, &need_col_headers, &max_regs); - else - printf (" DW_CFA_MIPS_advance_loc8: %ld to %08lx\n", - ofs * fc->code_factor, - fc->pc_begin + ofs * fc->code_factor); - fc->pc_begin += ofs * fc->code_factor; - break; - - case DW_CFA_GNU_window_save: - if (! do_debug_frames_interp) - printf (" DW_CFA_GNU_window_save\n"); - break; - - case DW_CFA_GNU_args_size: - ul = LEB (); - if (! do_debug_frames_interp) - printf (" DW_CFA_GNU_args_size: %ld\n", ul); - break; +display_mips_gnu_attribute (unsigned char *p, int tag) +{ + int type; + unsigned int len; + int val; - case DW_CFA_GNU_negative_offset_extended: - reg = LEB (); - l = - LEB (); - frame_need_space (fc, reg); - if (! do_debug_frames_interp) - printf (" DW_CFA_GNU_negative_offset_extended: r%ld at cfa%+ld\n", - reg, l * fc->data_factor); - fc->col_type[reg] = DW_CFA_offset; - fc->col_offset[reg] = l * fc->data_factor; - break; + if (tag == Tag_GNU_MIPS_ABI_FP) + { + val = read_uleb128 (p, &len); + p += len; + printf (" Tag_GNU_MIPS_ABI_FP: "); - default: - warn (_("unsupported or unknown DW_CFA_%d\n"), op); - start = block_end; - } + switch (val) + { + case 0: + printf ("Hard or soft float\n"); + break; + case 1: + printf ("Hard float (-mdouble-float)\n"); + break; + case 2: + printf ("Hard float (-msingle-float)\n"); + break; + case 3: + printf ("Soft float\n"); + break; + case 4: + printf ("64-bit float (-mips32r2 -mfp64)\n"); + break; + default: + printf ("??? (%d)\n", val); + break; } + return p; + } - if (do_debug_frames_interp) - frame_display_row (fc, &need_col_headers, &max_regs); + if (tag & 1) + type = 1; /* String. */ + else + type = 2; /* uleb128. */ + printf (" Tag_unknown_%d: ", tag); - start = block_end; + if (type == 1) + { + printf ("\"%s\"\n", p); + p += strlen ((char *) p) + 1; + } + else + { + val = read_uleb128 (p, &len); + p += len; + printf ("%d (0x%x)\n", val, val); } - printf ("\n"); - - return 1; + return p; } -#undef GET -#undef LEB -#undef SLEB - static int -display_debug_not_supported (Elf_Internal_Shdr *section, - unsigned char *start ATTRIBUTE_UNUSED, - FILE *file ATTRIBUTE_UNUSED) -{ - printf (_("Displaying the debug contents of section %s is not yet supported.\n"), - SECTION_NAME (section)); +process_attributes (FILE * file, + const char * public_name, + unsigned int proc_type, + unsigned char * (* display_pub_attribute) (unsigned char *), + unsigned char * (* display_proc_gnu_attribute) (unsigned char *, int)) +{ + Elf_Internal_Shdr *sect; + unsigned char *contents; + unsigned char *p; + unsigned char *end; + bfd_vma section_len; + bfd_vma len; + unsigned i; - return 1; -} + /* Find the section header so that we get the size. */ + for (i = 0, sect = section_headers; + i < elf_header.e_shnum; + i++, sect++) + { + if (sect->sh_type != proc_type && sect->sh_type != SHT_GNU_ATTRIBUTES) + continue; -/* A structure containing the name of a debug section - and a pointer to a function that can decode it. */ -static struct -{ - const char *const name; - int (*display) (Elf_Internal_Shdr *, unsigned char *, FILE *); -} -debug_displays[] = -{ - { ".debug_abbrev", display_debug_abbrev }, - { ".debug_aranges", display_debug_aranges }, - { ".debug_frame", display_debug_frames }, - { ".debug_info", display_debug_info }, - { ".debug_line", display_debug_lines }, - { ".debug_pubnames", display_debug_pubnames }, - { ".eh_frame", display_debug_frames }, - { ".debug_macinfo", display_debug_macinfo }, - { ".debug_str", display_debug_str }, - { ".debug_loc", display_debug_loc }, - { ".debug_pubtypes", display_debug_pubnames }, - { ".debug_ranges", display_debug_ranges }, - { ".debug_static_func", display_debug_not_supported }, - { ".debug_static_vars", display_debug_not_supported }, - { ".debug_types", display_debug_not_supported }, - { ".debug_weaknames", display_debug_not_supported } -}; + contents = get_data (NULL, file, sect->sh_offset, 1, sect->sh_size, + _("attributes")); + if (contents == NULL) + continue; -static int -display_debug_section (Elf_Internal_Shdr *section, FILE *file) -{ - char *name = SECTION_NAME (section); - bfd_size_type length; - int result = 1; - int i; + p = contents; + if (*p == 'A') + { + len = sect->sh_size - 1; + p++; - length = section->sh_size; - if (length == 0) - { - printf (_("\nSection '%s' has no debugging data.\n"), name); - return 0; - } + while (len > 0) + { + int namelen; + bfd_boolean public_section; + bfd_boolean gnu_section; - if (strneq (name, ".gnu.linkonce.wi.", 17)) - name = ".debug_info"; + section_len = byte_get (p, 4); + p += 4; - /* See if we know how to display the contents of this section. */ - for (i = NUM_ELEM (debug_displays); i--;) - if (streq (debug_displays[i].name, name)) - { - unsigned char *start; + if (section_len > len) + { + printf (_("ERROR: Bad section length (%d > %d)\n"), + (int) section_len, (int) len); + section_len = len; + } - start = get_data (NULL, file, section->sh_offset, 1, length, - _("debug section data")); - if (start == NULL) - { - result = 0; - break; - } + len -= section_len; + printf ("Attribute Section: %s\n", p); - result &= debug_displays[i].display (section, start, file); - free (start); + if (public_name && streq ((char *) p, public_name)) + public_section = TRUE; + else + public_section = FALSE; - /* If we loaded in the abbrev section - at some point, we must release it here. */ - free_abbrevs (); + if (streq ((char *) p, "gnu")) + gnu_section = TRUE; + else + gnu_section = FALSE; - break; - } + namelen = strlen ((char *) p) + 1; + p += namelen; + section_len -= namelen + 4; - if (i == -1) - { - printf (_("Unrecognized debug section: %s\n"), name); - result = 0; - } + while (section_len > 0) + { + int tag = *(p++); + int val; + bfd_vma size; - return result; -} + size = byte_get (p, 4); + if (size > section_len) + { + printf (_("ERROR: Bad subsection length (%d > %d)\n"), + (int) size, (int) section_len); + size = section_len; + } -static void -process_section_contents (FILE *file) -{ - Elf_Internal_Shdr *section; - unsigned int i; + section_len -= size; + end = p + size - 1; + p += 4; - if (! do_dump) - return; + switch (tag) + { + case 1: + printf ("File Attributes\n"); + break; + case 2: + printf ("Section Attributes:"); + goto do_numlist; + case 3: + printf ("Symbol Attributes:"); + do_numlist: + for (;;) + { + unsigned int i; - for (i = 0, section = section_headers; - i < elf_header.e_shnum && i < num_dump_sects; - i++, section++) - { -#ifdef SUPPORT_DISASSEMBLY - if (dump_sects[i] & DISASS_DUMP) - disassemble_section (section, file); -#endif - if (dump_sects[i] & HEX_DUMP) - dump_section (section, file); + val = read_uleb128 (p, &i); + p += i; + if (val == 0) + break; + printf (" %d", val); + } + printf ("\n"); + break; + default: + printf ("Unknown tag: %d\n", tag); + public_section = FALSE; + break; + } - if (dump_sects[i] & DEBUG_DUMP) - display_debug_section (section, file); + if (public_section) + { + while (p < end) + p = display_pub_attribute (p); + } + else if (gnu_section) + { + while (p < end) + p = display_gnu_attribute (p, + display_proc_gnu_attribute); + } + else + { + /* ??? Do something sensible, like dump hex. */ + printf (" Unknown section contexts\n"); + p = end; + } + } + } + } + else + printf (_("Unknown format '%c'\n"), *p); + + free (contents); } + return 1; +} - /* Check to see if the user requested a - dump of a section that does not exist. */ - while (i++ < num_dump_sects) - if (dump_sects[i]) - warn (_("Section %d was not dumped because it does not exist!\n"), i); +static int +process_arm_specific (FILE *file) +{ + return process_attributes (file, "aeabi", SHT_ARM_ATTRIBUTES, + display_arm_attribute, NULL); } -static void -process_mips_fpe_exception (int mask) +static int +process_power_specific (FILE *file) { - if (mask) - { - int first = 1; - if (mask & OEX_FPU_INEX) - fputs ("INEX", stdout), first = 0; - if (mask & OEX_FPU_UFLO) - printf ("%sUFLO", first ? "" : "|"), first = 0; - if (mask & OEX_FPU_OFLO) - printf ("%sOFLO", first ? "" : "|"), first = 0; - if (mask & OEX_FPU_DIV0) - printf ("%sDIV0", first ? "" : "|"), first = 0; - if (mask & OEX_FPU_INVAL) - printf ("%sINVAL", first ? "" : "|"); - } - else - fputs ("0", stdout); + return process_attributes (file, NULL, SHT_GNU_ATTRIBUTES, NULL, + display_power_gnu_attribute); } static int @@ -11321,6 +9088,9 @@ process_mips_specific (FILE *file) size_t options_offset = 0; size_t conflicts_offset = 0; + process_attributes (file, NULL, SHT_GNU_ATTRIBUTES, NULL, + display_mips_gnu_attribute); + /* We have a lot of special sections. Thanks SGI! */ if (dynamic_section == NULL) /* No information available. */ @@ -11415,9 +9185,7 @@ process_mips_specific (FILE *file) int flags = liblist.l_flags; size_t fcnt; - for (fcnt = 0; - fcnt < sizeof (l_flags_vals) / sizeof (l_flags_vals[0]); - ++fcnt) + for (fcnt = 0; fcnt < ARRAY_SIZE (l_flags_vals); ++fcnt) if ((flags & l_flags_vals[fcnt].bit) != 0) { fputs (l_flags_vals[fcnt].name, stdout); @@ -11454,7 +9222,7 @@ process_mips_specific (FILE *file) iopt = cmalloc ((sect->sh_size / sizeof (eopt)), sizeof (*iopt)); if (iopt == NULL) { - error (_("Out of memory")); + error (_("Out of memory\n")); return 0; } @@ -11639,14 +9407,14 @@ process_mips_specific (FILE *file) if (dynamic_symbols == NULL) { - error (_("conflict list found without a dynamic symbol table")); + error (_("conflict list found without a dynamic symbol table\n")); return 0; } iconf = cmalloc (conflictsno, sizeof (*iconf)); if (iconf == NULL) { - error (_("Out of memory")); + error (_("Out of memory\n")); return 0; } @@ -11808,6 +9576,8 @@ get_note_type (unsigned e_type) return _("NT_TASKSTRUCT (task structure)"); case NT_PRXFPREG: return _("NT_PRXFPREG (user_xfpregs structure)"); + case NT_PPC_VMX: + return _("NT_PPC_VMX (ppc Altivec registers)"); case NT_PSTATUS: return _("NT_PSTATUS (pstatus structure)"); case NT_FPREGS: @@ -11838,6 +9608,27 @@ get_note_type (unsigned e_type) return buff; } +static const char * +get_gnu_elf_note_type (unsigned e_type) +{ + static char buff[64]; + + switch (e_type) + { + case NT_GNU_ABI_TAG: + return _("NT_GNU_ABI_TAG (ABI version tag)"); + case NT_GNU_HWCAP: + return _("NT_GNU_HWCAP (DSO-supplied software HWCAP info)"); + case NT_GNU_BUILD_ID: + return _("NT_GNU_BUILD_ID (unique build ID bitstring)"); + default: + break; + } + + snprintf (buff, sizeof (buff), _("Unknown note type: (0x%08x)"), e_type); + return buff; +} + static const char * get_netbsd_elfcore_note_type (unsigned e_type) { @@ -11908,6 +9699,7 @@ get_netbsd_elfcore_note_type (unsigned e_type) static int process_note (Elf_Internal_Note *pnote) { + const char *name = pnote->namesz ? pnote->namedata : "(NONE)"; const char *nt; if (pnote->namesz == 0) @@ -11915,18 +9707,27 @@ process_note (Elf_Internal_Note *pnote) note type strings. */ nt = get_note_type (pnote->type); - else if (strneq (pnote->namedata, "NetBSD-CORE", 11)) + else if (const_strneq (pnote->namedata, "GNU")) + /* GNU-specific object file notes. */ + nt = get_gnu_elf_note_type (pnote->type); + + else if (const_strneq (pnote->namedata, "NetBSD-CORE")) /* NetBSD-specific core file notes. */ nt = get_netbsd_elfcore_note_type (pnote->type); + else if (strneq (pnote->namedata, "SPU/", 4)) + { + /* SPU-specific core file notes. */ + nt = pnote->namedata + 4; + name = "SPU"; + } + else /* Don't recognize this note name; just use the default set of note type strings. */ nt = get_note_type (pnote->type); - printf (" %s\t\t0x%08lx\t%s\n", - pnote->namesz ? pnote->namedata : "(NONE)", - pnote->descsz, nt); + printf (" %s\t\t0x%08lx\t%s\n", name, pnote->descsz, nt); return 1; } @@ -12080,10 +9881,15 @@ process_arch_specific (FILE *file) switch (elf_header.e_machine) { + case EM_ARM: + return process_arm_specific (file); case EM_MIPS: case EM_MIPS_RS3_LE: return process_mips_specific (file); break; + case EM_PPC: + return process_power_specific (file); + break; default: break; } @@ -12199,10 +10005,10 @@ process_object (char *file_name, FILE *file) } /* Initialise per file variables. */ - for (i = NUM_ELEM (version_info); i--;) + for (i = ARRAY_SIZE (version_info); i--;) version_info[i] = 0; - for (i = NUM_ELEM (dynamic_info); i--;) + for (i = ARRAY_SIZE (dynamic_info); i--;) dynamic_info[i] = 0; /* Process the file. */ @@ -12214,18 +10020,19 @@ process_object (char *file_name, FILE *file) must make sure that the dump_sets array is zeroed out before each object file is processed. */ if (num_dump_sects > num_cmdline_dump_sects) - memset (dump_sects, 0, num_dump_sects); + memset (dump_sects, 0, num_dump_sects * sizeof (* dump_sects)); if (num_cmdline_dump_sects > 0) { if (num_dump_sects == 0) /* A sneaky way of allocating the dump_sects array. */ - request_dump (num_cmdline_dump_sects, 0); + request_dump_bynumber (num_cmdline_dump_sects, 0); assert (num_dump_sects >= num_cmdline_dump_sects); - memcpy (dump_sects, cmdline_dump_sects, num_cmdline_dump_sects); + memcpy (dump_sects, cmdline_dump_sects, + num_cmdline_dump_sects * sizeof (* dump_sects)); } - + if (! process_file_header ()) return 1; @@ -12328,28 +10135,13 @@ process_object (char *file_name, FILE *file) section_groups = NULL; } - if (debug_information) - { - for (i = 0; i < num_debug_info_entries; i++) - { - if (!debug_information [i].max_loc_offsets) - { - free (debug_information [i].loc_offsets); - free (debug_information [i].have_frame_base); - } - if (!debug_information [i].max_range_lists) - free (debug_information [i].range_lists); - } - free (debug_information); - debug_information = NULL; - num_debug_info_entries = 0; - } + free_debug_memory (); return 0; } -/* Process an ELF archive. The file is positioned just after the - ARMAG string. */ +/* Process an ELF archive. + On entry the file is positioned just after the ARMAG string. */ static int process_archive (char *file_name, FILE *file) @@ -12357,6 +10149,10 @@ process_archive (char *file_name, FILE *file) struct ar_hdr arhdr; size_t got; unsigned long size; + unsigned long index_num = 0; + unsigned long *index_array = NULL; + char *sym_table = NULL; + unsigned long sym_size = 0; char *longnames = NULL; unsigned long longnames_size = 0; size_t file_name_size; @@ -12374,63 +10170,245 @@ process_archive (char *file_name, FILE *file) return 1; } - if (memcmp (arhdr.ar_name, "/ ", 16) == 0) + /* See if this is the archive symbol table. */ + if (const_strneq (arhdr.ar_name, "/ ") + || const_strneq (arhdr.ar_name, "/SYM64/ ")) { - /* This is the archive symbol table. Skip it. - FIXME: We should have an option to dump it. */ size = strtoul (arhdr.ar_size, NULL, 10); - if (fseek (file, size + (size & 1), SEEK_CUR) != 0) + size = size + (size & 1); + + if (do_archive_index) + { + unsigned long i; + /* A buffer used to hold numbers read in from an archive index. + These are always 4 bytes long and stored in big-endian format. */ +#define SIZEOF_AR_INDEX_NUMBERS 4 + unsigned char integer_buffer[SIZEOF_AR_INDEX_NUMBERS]; + unsigned char * index_buffer; + + /* Check the size of the archive index. */ + if (size < SIZEOF_AR_INDEX_NUMBERS) + { + error (_("%s: the archive index is empty\n"), file_name); + return 1; + } + + /* Read the numer of entries in the archive index. */ + got = fread (integer_buffer, 1, sizeof integer_buffer, file); + if (got != sizeof (integer_buffer)) + { + error (_("%s: failed to read archive index\n"), file_name); + return 1; + } + index_num = byte_get_big_endian (integer_buffer, sizeof integer_buffer); + size -= SIZEOF_AR_INDEX_NUMBERS; + + /* Read in the archive index. */ + if (size < index_num * SIZEOF_AR_INDEX_NUMBERS) + { + error (_("%s: the archive index is supposed to have %ld entries, but the size in the header is too small\n"), + file_name, index_num); + return 1; + } + index_buffer = malloc (index_num * SIZEOF_AR_INDEX_NUMBERS); + if (index_buffer == NULL) + { + error (_("Out of memory whilst trying to read archive symbol index\n")); + return 1; + } + got = fread (index_buffer, SIZEOF_AR_INDEX_NUMBERS, index_num, file); + if (got != index_num) + { + free (index_buffer); + error (_("%s: failed to read archive index\n"), file_name); + ret = 1; + goto out; + } + size -= index_num * SIZEOF_AR_INDEX_NUMBERS; + + /* Convert the index numbers into the host's numeric format. */ + index_array = malloc (index_num * sizeof (* index_array)); + if (index_array == NULL) + { + free (index_buffer); + error (_("Out of memory whilst trying to convert the archive symbol index\n")); + return 1; + } + + for (i = 0; i < index_num; i++) + index_array[i] = byte_get_big_endian ((unsigned char *)(index_buffer + (i * SIZEOF_AR_INDEX_NUMBERS)), + SIZEOF_AR_INDEX_NUMBERS); + free (index_buffer); + + /* The remaining space in the header is taken up by the symbol table. */ + if (size < 1) + { + error (_("%s: the archive has an index but no symbols\n"), file_name); + ret = 1; + goto out; + } + sym_table = malloc (size); + sym_size = size; + if (sym_table == NULL) + { + error (_("Out of memory whilst trying to read archive index symbol table\n")); + ret = 1; + goto out; + } + got = fread (sym_table, 1, size, file); + if (got != size) + { + error (_("%s: failed to read archive index symbol table\n"), file_name); + ret = 1; + goto out; + } + } + else { - error (_("%s: failed to skip archive symbol table\n"), file_name); - return 1; + if (fseek (file, size, SEEK_CUR) != 0) + { + error (_("%s: failed to skip archive symbol table\n"), file_name); + return 1; + } } - got = fread (&arhdr, 1, sizeof arhdr, file); + got = fread (& arhdr, 1, sizeof arhdr, file); if (got != sizeof arhdr) { if (got == 0) - return 0; + { + ret = 0; + goto out; + } - error (_("%s: failed to read archive header\n"), file_name); - return 1; + error (_("%s: failed to read archive header following archive index\n"), file_name); + ret = 1; + goto out; } } + else if (do_archive_index) + printf (_("%s has no archive index\n"), file_name); - if (memcmp (arhdr.ar_name, "// ", 16) == 0) + if (const_strneq (arhdr.ar_name, "// ")) { /* This is the archive string table holding long member names. */ longnames_size = strtoul (arhdr.ar_size, NULL, 10); - longnames = malloc (longnames_size); if (longnames == NULL) { - error (_("Out of memory\n")); - return 1; + error (_("Out of memory reading long symbol names in archive\n")); + ret = 1; + goto out; } if (fread (longnames, longnames_size, 1, file) != 1) { free (longnames); - error (_("%s: failed to read string table\n"), file_name); - return 1; + error (_("%s: failed to read long symbol name string table\n"), file_name); + ret = 1; + goto out; } if ((longnames_size & 1) != 0) getc (file); - got = fread (&arhdr, 1, sizeof arhdr, file); + got = fread (& arhdr, 1, sizeof arhdr, file); if (got != sizeof arhdr) { - free (longnames); - if (got == 0) - return 0; + ret = 0; + else + { + error (_("%s: failed to read archive header following long symbol names\n"), file_name); + ret = 1; + } + goto out; + } + } - error (_("%s: failed to read archive header\n"), file_name); - return 1; + if (do_archive_index) + { + if (sym_table == NULL) + error (_("%s: unable to dump the index as none was found\n"), file_name); + else + { + unsigned int i, j, k, l; + char elf_name[16]; + unsigned long current_pos; + + printf (_("Index of archive %s: (%ld entries, 0x%lx bytes in the symbol table)\n"), + file_name, index_num, sym_size); + current_pos = ftell (file); + + for (i = l = 0; i < index_num; i++) + { + if ((i == 0) || ((i > 0) && (index_array[i] != index_array[i - 1]))) + { + if (fseek (file, index_array[i], SEEK_SET) != 0) + { + error (_("%s: failed to seek to next file name\n"), file_name); + ret = 1; + goto out; + } + got = fread (elf_name, 1, 16, file); + if (got != 16) + { + error (_("%s: failed to read file name\n"), file_name); + ret = 1; + goto out; + } + + if (elf_name[0] == '/') + { + /* We have a long name. */ + k = j = strtoul (elf_name + 1, NULL, 10); + while ((j < longnames_size) && (longnames[j] != '/')) + j++; + longnames[j] = '\0'; + printf (_("Binary %s contains:\n"), longnames + k); + longnames[j] = '/'; + } + else + { + j = 0; + while ((elf_name[j] != '/') && (j < 16)) + j++; + elf_name[j] = '\0'; + printf(_("Binary %s contains:\n"), elf_name); + } + } + if (l >= sym_size) + { + error (_("%s: end of the symbol table reached before the end of the index\n"), + file_name); + break; + } + printf ("\t%s\n", sym_table + l); + l += strlen (sym_table + l) + 1; + } + + if (l < sym_size) + error (_("%s: symbols remain in the index symbol table, but without corresponding entries in the index table\n"), + file_name); + + free (index_array); + index_array = NULL; + free (sym_table); + sym_table = NULL; + if (fseek (file, current_pos, SEEK_SET) != 0) + { + error (_("%s: failed to seek back to start of object files in the archive\n"), file_name); + return 1; + } } + + if (!do_dynamic && !do_syms && !do_reloc && !do_unwind && !do_sections + && !do_segments && !do_header && !do_dump && !do_version + && !do_histogram && !do_debugging && !do_arch && !do_notes + && !do_section_groups) + return 0; /* Archive index only. */ } file_name_size = strlen (file_name); @@ -12486,7 +10464,7 @@ process_archive (char *file_name, FILE *file) archive_file_offset = ftell (file); archive_file_size = strtoul (arhdr.ar_size, NULL, 10); - + ret |= process_object (namealc, file); free (namealc); @@ -12514,7 +10492,12 @@ process_archive (char *file_name, FILE *file) } } - if (longnames != 0) + out: + if (index_array != NULL) + free (index_array); + if (sym_table != NULL) + free (sym_table); + if (longnames != NULL) free (longnames); return ret; @@ -12553,7 +10536,7 @@ process_file (char *file_name) if (fread (armag, SARMAG, 1, file) != 1) { - error (_("%s: Failed to read file header\n"), file_name); + error (_("%s: Failed to read file's magic number\n"), file_name); fclose (file); return 1; } @@ -12562,6 +10545,10 @@ process_file (char *file_name) ret = process_archive (file_name, file); else { + if (do_archive_index) + error (_("File %s is not an archive so its index cannot be displayed.\n"), + file_name); + rewind (file); archive_file_size = archive_file_offset = 0; ret = process_object (file_name, file); @@ -12605,17 +10592,20 @@ main (int argc, char **argv) bindtextdomain (PACKAGE, LOCALEDIR); textdomain (PACKAGE); + expandargv (&argc, &argv); + parse_args (argc, argv); if (num_dump_sects > 0) { /* Make a copy of the dump_sects array. */ - cmdline_dump_sects = malloc (num_dump_sects); + cmdline_dump_sects = malloc (num_dump_sects * sizeof (* dump_sects)); if (cmdline_dump_sects == NULL) - error (_("Out of memory allocating dump request table.")); + error (_("Out of memory allocating dump request table.\n")); else { - memcpy (cmdline_dump_sects, dump_sects, num_dump_sects); + memcpy (cmdline_dump_sects, dump_sects, + num_dump_sects * sizeof (* dump_sects)); num_cmdline_dump_sects = num_dump_sects; } }