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Diffstat (limited to 'binutils-2.24/binutils/nm.c')
| -rw-r--r-- | binutils-2.24/binutils/nm.c | 1706 |
1 files changed, 0 insertions, 1706 deletions
diff --git a/binutils-2.24/binutils/nm.c b/binutils-2.24/binutils/nm.c deleted file mode 100644 index 9b6648eb..00000000 --- a/binutils-2.24/binutils/nm.c +++ /dev/null @@ -1,1706 +0,0 @@ -/* nm.c -- Describe symbol table of a rel file. - Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, - 2001, 2002, 2003, 2004, 2005, 2007, 2008, 2009, 2010, 2011, 2012 - Free Software Foundation, Inc. - - This file is part of GNU Binutils. - - 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 3 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA - 02110-1301, USA. */ - -#include "sysdep.h" -#include "bfd.h" -#include "progress.h" -#include "getopt.h" -#include "aout/stab_gnu.h" -#include "aout/ranlib.h" -#include "demangle.h" -#include "libiberty.h" -#include "elf-bfd.h" -#include "elf/common.h" -#include "bucomm.h" -#include "plugin.h" - -/* When sorting by size, we use this structure to hold the size and a - pointer to the minisymbol. */ - -struct size_sym -{ - const void *minisym; - bfd_vma size; -}; - -/* When fetching relocs, we use this structure to pass information to - get_relocs. */ - -struct get_relocs_info -{ - asection **secs; - arelent ***relocs; - long *relcount; - asymbol **syms; -}; - -struct extended_symbol_info -{ - symbol_info *sinfo; - bfd_vma ssize; - elf_symbol_type *elfinfo; - /* FIXME: We should add more fields for Type, Line, Section. */ -}; -#define SYM_NAME(sym) (sym->sinfo->name) -#define SYM_VALUE(sym) (sym->sinfo->value) -#define SYM_TYPE(sym) (sym->sinfo->type) -#define SYM_STAB_NAME(sym) (sym->sinfo->stab_name) -#define SYM_STAB_DESC(sym) (sym->sinfo->stab_desc) -#define SYM_STAB_OTHER(sym) (sym->sinfo->stab_other) -#define SYM_SIZE(sym) \ - (sym->elfinfo ? sym->elfinfo->internal_elf_sym.st_size: sym->ssize) - -/* The output formatting functions. */ -static void print_object_filename_bsd (char *); -static void print_object_filename_sysv (char *); -static void print_object_filename_posix (char *); -static void print_archive_filename_bsd (char *); -static void print_archive_filename_sysv (char *); -static void print_archive_filename_posix (char *); -static void print_archive_member_bsd (char *, const char *); -static void print_archive_member_sysv (char *, const char *); -static void print_archive_member_posix (char *, const char *); -static void print_symbol_filename_bsd (bfd *, bfd *); -static void print_symbol_filename_sysv (bfd *, bfd *); -static void print_symbol_filename_posix (bfd *, bfd *); -static void print_value (bfd *, bfd_vma); -static void print_symbol_info_bsd (struct extended_symbol_info *, bfd *); -static void print_symbol_info_sysv (struct extended_symbol_info *, bfd *); -static void print_symbol_info_posix (struct extended_symbol_info *, bfd *); - -/* Support for different output formats. */ -struct output_fns - { - /* Print the name of an object file given on the command line. */ - void (*print_object_filename) (char *); - - /* Print the name of an archive file given on the command line. */ - void (*print_archive_filename) (char *); - - /* Print the name of an archive member file. */ - void (*print_archive_member) (char *, const char *); - - /* Print the name of the file (and archive, if there is one) - containing a symbol. */ - void (*print_symbol_filename) (bfd *, bfd *); - - /* Print a line of information about a symbol. */ - void (*print_symbol_info) (struct extended_symbol_info *, bfd *); - }; - -static struct output_fns formats[] = -{ - {print_object_filename_bsd, - print_archive_filename_bsd, - print_archive_member_bsd, - print_symbol_filename_bsd, - print_symbol_info_bsd}, - {print_object_filename_sysv, - print_archive_filename_sysv, - print_archive_member_sysv, - print_symbol_filename_sysv, - print_symbol_info_sysv}, - {print_object_filename_posix, - print_archive_filename_posix, - print_archive_member_posix, - print_symbol_filename_posix, - print_symbol_info_posix} -}; - -/* Indices in `formats'. */ -#define FORMAT_BSD 0 -#define FORMAT_SYSV 1 -#define FORMAT_POSIX 2 -#define FORMAT_DEFAULT FORMAT_BSD - -/* The output format to use. */ -static struct output_fns *format = &formats[FORMAT_DEFAULT]; - -/* Command options. */ - -static int do_demangle = 0; /* Pretty print C++ symbol names. */ -static int external_only = 0; /* Print external symbols only. */ -static int defined_only = 0; /* Print defined symbols only. */ -static int no_sort = 0; /* Don't sort; print syms in order found. */ -static int print_debug_syms = 0;/* Print debugger-only symbols too. */ -static int print_armap = 0; /* Describe __.SYMDEF data in archive files. */ -static int print_size = 0; /* Print size of defined symbols. */ -static int reverse_sort = 0; /* Sort in downward(alpha or numeric) order. */ -static int sort_numerically = 0;/* Sort in numeric rather than alpha order. */ -static int sort_by_size = 0; /* Sort by size of symbol. */ -static int undefined_only = 0; /* Print undefined symbols only. */ -static int dynamic = 0; /* Print dynamic symbols. */ -static int show_version = 0; /* Show the version number. */ -static int show_stats = 0; /* Show statistics. */ -static int show_synthetic = 0; /* Display synthesized symbols too. */ -static int line_numbers = 0; /* Print line numbers for symbols. */ -static int allow_special_symbols = 0; /* Allow special symbols. */ - -/* When to print the names of files. Not mutually exclusive in SYSV format. */ -static int filename_per_file = 0; /* Once per file, on its own line. */ -static int filename_per_symbol = 0; /* Once per symbol, at start of line. */ - -/* Print formats for printing a symbol value. */ -static char value_format_32bit[] = "%08lx"; -#if BFD_HOST_64BIT_LONG -static char value_format_64bit[] = "%016lx"; -#elif BFD_HOST_64BIT_LONG_LONG -#ifndef __MSVCRT__ -static char value_format_64bit[] = "%016llx"; -#else -static char value_format_64bit[] = "%016I64x"; -#endif -#endif -static int print_width = 0; -static int print_radix = 16; -/* Print formats for printing stab info. */ -static char other_format[] = "%02x"; -static char desc_format[] = "%04x"; - -static char *target = NULL; -static char *plugin_target = NULL; - -/* Used to cache the line numbers for a BFD. */ -static bfd *lineno_cache_bfd; -static bfd *lineno_cache_rel_bfd; - -#define OPTION_TARGET 200 -#define OPTION_PLUGIN (OPTION_TARGET + 1) -#define OPTION_SIZE_SORT (OPTION_PLUGIN + 1) - -static struct option long_options[] = -{ - {"debug-syms", no_argument, &print_debug_syms, 1}, - {"demangle", optional_argument, 0, 'C'}, - {"dynamic", no_argument, &dynamic, 1}, - {"extern-only", no_argument, &external_only, 1}, - {"format", required_argument, 0, 'f'}, - {"help", no_argument, 0, 'h'}, - {"line-numbers", no_argument, 0, 'l'}, - {"no-cplus", no_argument, &do_demangle, 0}, /* Linux compatibility. */ - {"no-demangle", no_argument, &do_demangle, 0}, - {"no-sort", no_argument, 0, 'p'}, - {"numeric-sort", no_argument, 0, 'n'}, - {"plugin", required_argument, 0, OPTION_PLUGIN}, - {"portability", no_argument, 0, 'P'}, - {"print-armap", no_argument, &print_armap, 1}, - {"print-file-name", no_argument, 0, 'o'}, - {"print-size", no_argument, 0, 'S'}, - {"radix", required_argument, 0, 't'}, - {"reverse-sort", no_argument, &reverse_sort, 1}, - {"size-sort", no_argument, 0, OPTION_SIZE_SORT}, - {"special-syms", no_argument, &allow_special_symbols, 1}, - {"stats", no_argument, &show_stats, 1}, - {"synthetic", no_argument, &show_synthetic, 1}, - {"target", required_argument, 0, OPTION_TARGET}, - {"defined-only", no_argument, &defined_only, 1}, - {"undefined-only", no_argument, &undefined_only, 1}, - {"version", no_argument, &show_version, 1}, - {0, no_argument, 0, 0} -}; - -/* Some error-reporting functions. */ - -static void -usage (FILE *stream, int status) -{ - fprintf (stream, _("Usage: %s [option(s)] [file(s)]\n"), program_name); - fprintf (stream, _(" List symbols in [file(s)] (a.out by default).\n")); - fprintf (stream, _(" The options are:\n\ - -a, --debug-syms Display debugger-only symbols\n\ - -A, --print-file-name Print name of the input file before every symbol\n\ - -B Same as --format=bsd\n\ - -C, --demangle[=STYLE] Decode low-level symbol names into user-level names\n\ - The STYLE, if specified, can be `auto' (the default),\n\ - `gnu', `lucid', `arm', `hp', `edg', `gnu-v3', `java'\n\ - or `gnat'\n\ - --no-demangle Do not demangle low-level symbol names\n\ - -D, --dynamic Display dynamic symbols instead of normal symbols\n\ - --defined-only Display only defined symbols\n\ - -e (ignored)\n\ - -f, --format=FORMAT Use the output format FORMAT. FORMAT can be `bsd',\n\ - `sysv' or `posix'. The default is `bsd'\n\ - -g, --extern-only Display only external symbols\n\ - -l, --line-numbers Use debugging information to find a filename and\n\ - line number for each symbol\n\ - -n, --numeric-sort Sort symbols numerically by address\n\ - -o Same as -A\n\ - -p, --no-sort Do not sort the symbols\n\ - -P, --portability Same as --format=posix\n\ - -r, --reverse-sort Reverse the sense of the sort\n")); -#if BFD_SUPPORTS_PLUGINS - fprintf (stream, _("\ - --plugin NAME Load the specified plugin\n")); -#endif - fprintf (stream, _("\ - -S, --print-size Print size of defined symbols\n\ - -s, --print-armap Include index for symbols from archive members\n\ - --size-sort Sort symbols by size\n\ - --special-syms Include special symbols in the output\n\ - --synthetic Display synthetic symbols as well\n\ - -t, --radix=RADIX Use RADIX for printing symbol values\n\ - --target=BFDNAME Specify the target object format as BFDNAME\n\ - -u, --undefined-only Display only undefined symbols\n\ - -X 32_64 (ignored)\n\ - @FILE Read options from FILE\n\ - -h, --help Display this information\n\ - -V, --version Display this program's version number\n\ -\n")); - list_supported_targets (program_name, stream); - if (REPORT_BUGS_TO[0] && status == 0) - fprintf (stream, _("Report bugs to %s.\n"), REPORT_BUGS_TO); - exit (status); -} - -/* Set the radix for the symbol value and size according to RADIX. */ - -static void -set_print_radix (char *radix) -{ - switch (*radix) - { - case 'x': - break; - case 'd': - case 'o': - if (*radix == 'd') - print_radix = 10; - else - print_radix = 8; - value_format_32bit[4] = *radix; -#if BFD_HOST_64BIT_LONG - value_format_64bit[5] = *radix; -#elif BFD_HOST_64BIT_LONG_LONG -#ifndef __MSVCRT__ - value_format_64bit[6] = *radix; -#else - value_format_64bit[7] = *radix; -#endif -#endif - other_format[3] = desc_format[3] = *radix; - break; - default: - fatal (_("%s: invalid radix"), radix); - } -} - -static void -set_output_format (char *f) -{ - int i; - - switch (*f) - { - case 'b': - case 'B': - i = FORMAT_BSD; - break; - case 'p': - case 'P': - i = FORMAT_POSIX; - break; - case 's': - case 'S': - i = FORMAT_SYSV; - break; - default: - fatal (_("%s: invalid output format"), f); - } - format = &formats[i]; -} - -static const char * -get_symbol_type (unsigned int type) -{ - static char buff [32]; - - switch (type) - { - case STT_NOTYPE: return "NOTYPE"; - case STT_OBJECT: return "OBJECT"; - case STT_FUNC: return "FUNC"; - case STT_SECTION: return "SECTION"; - case STT_FILE: return "FILE"; - case STT_COMMON: return "COMMON"; - case STT_TLS: return "TLS"; - default: - if (type >= STT_LOPROC && type <= STT_HIPROC) - sprintf (buff, _("<processor specific>: %d"), type); - else if (type >= STT_LOOS && type <= STT_HIOS) - sprintf (buff, _("<OS specific>: %d"), type); - else - sprintf (buff, _("<unknown>: %d"), type); - return buff; - } -} - -/* Print symbol name NAME, read from ABFD, with printf format FORM, - demangling it if requested. */ - -static void -print_symname (const char *form, const char *name, bfd *abfd) -{ - if (do_demangle && *name) - { - char *res = bfd_demangle (abfd, name, DMGL_ANSI | DMGL_PARAMS); - - if (res != NULL) - { - printf (form, res); - free (res); - return; - } - } - - printf (form, name); -} - -static void -print_symdef_entry (bfd *abfd) -{ - symindex idx = BFD_NO_MORE_SYMBOLS; - carsym *thesym; - bfd_boolean everprinted = FALSE; - - for (idx = bfd_get_next_mapent (abfd, idx, &thesym); - idx != BFD_NO_MORE_SYMBOLS; - idx = bfd_get_next_mapent (abfd, idx, &thesym)) - { - bfd *elt; - if (!everprinted) - { - printf (_("\nArchive index:\n")); - everprinted = TRUE; - } - elt = bfd_get_elt_at_index (abfd, idx); - if (elt == NULL) - bfd_fatal ("bfd_get_elt_at_index"); - if (thesym->name != (char *) NULL) - { - print_symname ("%s", thesym->name, abfd); - printf (" in %s\n", bfd_get_filename (elt)); - } - } -} - -/* Choose which symbol entries to print; - compact them downward to get rid of the rest. - Return the number of symbols to be printed. */ - -static long -filter_symbols (bfd *abfd, bfd_boolean is_dynamic, void *minisyms, - long symcount, unsigned int size) -{ - bfd_byte *from, *fromend, *to; - asymbol *store; - - store = bfd_make_empty_symbol (abfd); - if (store == NULL) - bfd_fatal (bfd_get_filename (abfd)); - - from = (bfd_byte *) minisyms; - fromend = from + symcount * size; - to = (bfd_byte *) minisyms; - - for (; from < fromend; from += size) - { - int keep = 0; - asymbol *sym; - - PROGRESS (1); - - sym = bfd_minisymbol_to_symbol (abfd, is_dynamic, (const void *) from, store); - if (sym == NULL) - bfd_fatal (bfd_get_filename (abfd)); - - if (undefined_only) - keep = bfd_is_und_section (sym->section); - else if (external_only) - /* PR binutls/12753: Unique symbols are global too. */ - keep = ((sym->flags & (BSF_GLOBAL - | BSF_WEAK - | BSF_GNU_UNIQUE)) != 0 - || bfd_is_und_section (sym->section) - || bfd_is_com_section (sym->section)); - else - keep = 1; - - if (keep - && ! print_debug_syms - && (sym->flags & BSF_DEBUGGING) != 0) - keep = 0; - - if (keep - && sort_by_size - && (bfd_is_abs_section (sym->section) - || bfd_is_und_section (sym->section))) - keep = 0; - - if (keep - && defined_only) - { - if (bfd_is_und_section (sym->section)) - keep = 0; - } - - if (keep - && bfd_is_target_special_symbol (abfd, sym) - && ! allow_special_symbols) - keep = 0; - - if (keep) - { - if (to != from) - memcpy (to, from, size); - to += size; - } - } - - return (to - (bfd_byte *) minisyms) / size; -} - -/* These globals are used to pass information into the sorting - routines. */ -static bfd *sort_bfd; -static bfd_boolean sort_dynamic; -static asymbol *sort_x; -static asymbol *sort_y; - -/* Symbol-sorting predicates */ -#define valueof(x) ((x)->section->vma + (x)->value) - -/* Numeric sorts. Undefined symbols are always considered "less than" - defined symbols with zero values. Common symbols are not treated - specially -- i.e., their sizes are used as their "values". */ - -static int -non_numeric_forward (const void *P_x, const void *P_y) -{ - asymbol *x, *y; - const char *xn, *yn; - - x = bfd_minisymbol_to_symbol (sort_bfd, sort_dynamic, P_x, sort_x); - y = bfd_minisymbol_to_symbol (sort_bfd, sort_dynamic, P_y, sort_y); - if (x == NULL || y == NULL) - bfd_fatal (bfd_get_filename (sort_bfd)); - - xn = bfd_asymbol_name (x); - yn = bfd_asymbol_name (y); - - if (yn == NULL) - return xn != NULL; - if (xn == NULL) - return -1; - -#ifdef HAVE_STRCOLL - /* Solaris 2.5 has a bug in strcoll. - strcoll returns invalid values when confronted with empty strings. */ - if (*yn == '\0') - return *xn != '\0'; - if (*xn == '\0') - return -1; - - return strcoll (xn, yn); -#else - return strcmp (xn, yn); -#endif -} - -static int -non_numeric_reverse (const void *x, const void *y) -{ - return - non_numeric_forward (x, y); -} - -static int -numeric_forward (const void *P_x, const void *P_y) -{ - asymbol *x, *y; - asection *xs, *ys; - - x = bfd_minisymbol_to_symbol (sort_bfd, sort_dynamic, P_x, sort_x); - y = bfd_minisymbol_to_symbol (sort_bfd, sort_dynamic, P_y, sort_y); - if (x == NULL || y == NULL) - bfd_fatal (bfd_get_filename (sort_bfd)); - - xs = bfd_get_section (x); - ys = bfd_get_section (y); - - if (bfd_is_und_section (xs)) - { - if (! bfd_is_und_section (ys)) - return -1; - } - else if (bfd_is_und_section (ys)) - return 1; - else if (valueof (x) != valueof (y)) - return valueof (x) < valueof (y) ? -1 : 1; - - return non_numeric_forward (P_x, P_y); -} - -static int -numeric_reverse (const void *x, const void *y) -{ - return - numeric_forward (x, y); -} - -static int (*(sorters[2][2])) (const void *, const void *) = -{ - { non_numeric_forward, non_numeric_reverse }, - { numeric_forward, numeric_reverse } -}; - -/* This sort routine is used by sort_symbols_by_size. It is similar - to numeric_forward, but when symbols have the same value it sorts - by section VMA. This simplifies the sort_symbols_by_size code - which handles symbols at the end of sections. Also, this routine - tries to sort file names before other symbols with the same value. - That will make the file name have a zero size, which will make - sort_symbols_by_size choose the non file name symbol, leading to - more meaningful output. For similar reasons, this code sorts - gnu_compiled_* and gcc2_compiled before other symbols with the same - value. */ - -static int -size_forward1 (const void *P_x, const void *P_y) -{ - asymbol *x, *y; - asection *xs, *ys; - const char *xn, *yn; - size_t xnl, ynl; - int xf, yf; - - x = bfd_minisymbol_to_symbol (sort_bfd, sort_dynamic, P_x, sort_x); - y = bfd_minisymbol_to_symbol (sort_bfd, sort_dynamic, P_y, sort_y); - if (x == NULL || y == NULL) - bfd_fatal (bfd_get_filename (sort_bfd)); - - xs = bfd_get_section (x); - ys = bfd_get_section (y); - - if (bfd_is_und_section (xs)) - abort (); - if (bfd_is_und_section (ys)) - abort (); - - if (valueof (x) != valueof (y)) - return valueof (x) < valueof (y) ? -1 : 1; - - if (xs->vma != ys->vma) - return xs->vma < ys->vma ? -1 : 1; - - xn = bfd_asymbol_name (x); - yn = bfd_asymbol_name (y); - xnl = strlen (xn); - ynl = strlen (yn); - - /* The symbols gnu_compiled and gcc2_compiled convey even less - information than the file name, so sort them out first. */ - - xf = (strstr (xn, "gnu_compiled") != NULL - || strstr (xn, "gcc2_compiled") != NULL); - yf = (strstr (yn, "gnu_compiled") != NULL - || strstr (yn, "gcc2_compiled") != NULL); - - if (xf && ! yf) - return -1; - if (! xf && yf) - return 1; - - /* We use a heuristic for the file name. It may not work on non - Unix systems, but it doesn't really matter; the only difference - is precisely which symbol names get printed. */ - -#define file_symbol(s, sn, snl) \ - (((s)->flags & BSF_FILE) != 0 \ - || ((sn)[(snl) - 2] == '.' \ - && ((sn)[(snl) - 1] == 'o' \ - || (sn)[(snl) - 1] == 'a'))) - - xf = file_symbol (x, xn, xnl); - yf = file_symbol (y, yn, ynl); - - if (xf && ! yf) - return -1; - if (! xf && yf) - return 1; - - return non_numeric_forward (P_x, P_y); -} - -/* This sort routine is used by sort_symbols_by_size. It is sorting - an array of size_sym structures into size order. */ - -static int -size_forward2 (const void *P_x, const void *P_y) -{ - const struct size_sym *x = (const struct size_sym *) P_x; - const struct size_sym *y = (const struct size_sym *) P_y; - - if (x->size < y->size) - return reverse_sort ? 1 : -1; - else if (x->size > y->size) - return reverse_sort ? -1 : 1; - else - return sorters[0][reverse_sort] (x->minisym, y->minisym); -} - -/* Sort the symbols by size. ELF provides a size but for other formats - we have to make a guess by assuming that the difference between the - address of a symbol and the address of the next higher symbol is the - size. */ - -static long -sort_symbols_by_size (bfd *abfd, bfd_boolean is_dynamic, void *minisyms, - long symcount, unsigned int size, - struct size_sym **symsizesp) -{ - struct size_sym *symsizes; - bfd_byte *from, *fromend; - asymbol *sym = NULL; - asymbol *store_sym, *store_next; - - qsort (minisyms, symcount, size, size_forward1); - - /* We are going to return a special set of symbols and sizes to - print. */ - symsizes = (struct size_sym *) xmalloc (symcount * sizeof (struct size_sym)); - *symsizesp = symsizes; - - /* Note that filter_symbols has already removed all absolute and - undefined symbols. Here we remove all symbols whose size winds - up as zero. */ - from = (bfd_byte *) minisyms; - fromend = from + symcount * size; - - store_sym = sort_x; - store_next = sort_y; - - if (from < fromend) - { - sym = bfd_minisymbol_to_symbol (abfd, is_dynamic, (const void *) from, - store_sym); - if (sym == NULL) - bfd_fatal (bfd_get_filename (abfd)); - } - - for (; from < fromend; from += size) - { - asymbol *next; - asection *sec; - bfd_vma sz; - asymbol *temp; - - if (from + size < fromend) - { - next = bfd_minisymbol_to_symbol (abfd, - is_dynamic, - (const void *) (from + size), - store_next); - if (next == NULL) - bfd_fatal (bfd_get_filename (abfd)); - } - else - next = NULL; - - sec = bfd_get_section (sym); - - if (bfd_get_flavour (abfd) == bfd_target_elf_flavour) - sz = ((elf_symbol_type *) sym)->internal_elf_sym.st_size; - else if (bfd_is_com_section (sec)) - sz = sym->value; - else - { - if (from + size < fromend - && sec == bfd_get_section (next)) - sz = valueof (next) - valueof (sym); - else - sz = (bfd_get_section_vma (abfd, sec) - + bfd_section_size (abfd, sec) - - valueof (sym)); - } - - if (sz != 0) - { - symsizes->minisym = (const void *) from; - symsizes->size = sz; - ++symsizes; - } - - sym = next; - - temp = store_sym; - store_sym = store_next; - store_next = temp; - } - - symcount = symsizes - *symsizesp; - - /* We must now sort again by size. */ - qsort ((void *) *symsizesp, symcount, sizeof (struct size_sym), size_forward2); - - return symcount; -} - -/* This function is used to get the relocs for a particular section. - It is called via bfd_map_over_sections. */ - -static void -get_relocs (bfd *abfd, asection *sec, void *dataarg) -{ - struct get_relocs_info *data = (struct get_relocs_info *) dataarg; - - *data->secs = sec; - - if ((sec->flags & SEC_RELOC) == 0) - { - *data->relocs = NULL; - *data->relcount = 0; - } - else - { - long relsize; - - relsize = bfd_get_reloc_upper_bound (abfd, sec); - if (relsize < 0) - bfd_fatal (bfd_get_filename (abfd)); - - *data->relocs = (arelent **) xmalloc (relsize); - *data->relcount = bfd_canonicalize_reloc (abfd, sec, *data->relocs, - data->syms); - if (*data->relcount < 0) - bfd_fatal (bfd_get_filename (abfd)); - } - - ++data->secs; - ++data->relocs; - ++data->relcount; -} - -/* Print a single symbol. */ - -static void -print_symbol (bfd *abfd, asymbol *sym, bfd_vma ssize, bfd *archive_bfd) -{ - symbol_info syminfo; - struct extended_symbol_info info; - - PROGRESS (1); - - format->print_symbol_filename (archive_bfd, abfd); - - bfd_get_symbol_info (abfd, sym, &syminfo); - info.sinfo = &syminfo; - info.ssize = ssize; - if (bfd_get_flavour (abfd) == bfd_target_elf_flavour) - info.elfinfo = (elf_symbol_type *) sym; - else - info.elfinfo = NULL; - format->print_symbol_info (&info, abfd); - - if (line_numbers) - { - static asymbol **syms; - static long symcount; - const char *filename, *functionname; - unsigned int lineno; - - /* We need to get the canonical symbols in order to call - bfd_find_nearest_line. This is inefficient, but, then, you - don't have to use --line-numbers. */ - if (abfd != lineno_cache_bfd && syms != NULL) - { - free (syms); - syms = NULL; - } - if (syms == NULL) - { - long symsize; - - symsize = bfd_get_symtab_upper_bound (abfd); - if (symsize < 0) - bfd_fatal (bfd_get_filename (abfd)); - syms = (asymbol **) xmalloc (symsize); - symcount = bfd_canonicalize_symtab (abfd, syms); - if (symcount < 0) - bfd_fatal (bfd_get_filename (abfd)); - lineno_cache_bfd = abfd; - } - - if (bfd_is_und_section (bfd_get_section (sym))) - { - static asection **secs; - static arelent ***relocs; - static long *relcount; - static unsigned int seccount; - unsigned int i; - const char *symname; - - /* For an undefined symbol, we try to find a reloc for the - symbol, and print the line number of the reloc. */ - if (abfd != lineno_cache_rel_bfd && relocs != NULL) - { - for (i = 0; i < seccount; i++) - if (relocs[i] != NULL) - free (relocs[i]); - free (secs); - free (relocs); - free (relcount); - secs = NULL; - relocs = NULL; - relcount = NULL; - } - - if (relocs == NULL) - { - struct get_relocs_info rinfo; - - seccount = bfd_count_sections (abfd); - - secs = (asection **) xmalloc (seccount * sizeof *secs); - relocs = (arelent ***) xmalloc (seccount * sizeof *relocs); - relcount = (long *) xmalloc (seccount * sizeof *relcount); - - rinfo.secs = secs; - rinfo.relocs = relocs; - rinfo.relcount = relcount; - rinfo.syms = syms; - bfd_map_over_sections (abfd, get_relocs, (void *) &rinfo); - lineno_cache_rel_bfd = abfd; - } - - symname = bfd_asymbol_name (sym); - for (i = 0; i < seccount; i++) - { - long j; - - for (j = 0; j < relcount[i]; j++) - { - arelent *r; - - r = relocs[i][j]; - if (r->sym_ptr_ptr != NULL - && (*r->sym_ptr_ptr)->section == sym->section - && (*r->sym_ptr_ptr)->value == sym->value - && strcmp (symname, - bfd_asymbol_name (*r->sym_ptr_ptr)) == 0 - && bfd_find_nearest_line (abfd, secs[i], syms, - r->address, &filename, - &functionname, &lineno) - && filename != NULL) - { - /* We only print the first one we find. */ - printf ("\t%s:%u", filename, lineno); - i = seccount; - break; - } - } - } - } - else if (bfd_get_section (sym)->owner == abfd) - { - if ((bfd_find_line (abfd, syms, sym, &filename, &lineno) - || bfd_find_nearest_line (abfd, bfd_get_section (sym), - syms, sym->value, &filename, - &functionname, &lineno)) - && filename != NULL - && lineno != 0) - printf ("\t%s:%u", filename, lineno); - } - } - - putchar ('\n'); -} - -/* Print the symbols when sorting by size. */ - -static void -print_size_symbols (bfd *abfd, bfd_boolean is_dynamic, - struct size_sym *symsizes, long symcount, - bfd *archive_bfd) -{ - asymbol *store; - struct size_sym *from, *fromend; - - store = bfd_make_empty_symbol (abfd); - if (store == NULL) - bfd_fatal (bfd_get_filename (abfd)); - - from = symsizes; - fromend = from + symcount; - for (; from < fromend; from++) - { - asymbol *sym; - - sym = bfd_minisymbol_to_symbol (abfd, is_dynamic, from->minisym, store); - if (sym == NULL) - bfd_fatal (bfd_get_filename (abfd)); - - print_symbol (abfd, sym, from->size, archive_bfd); - } -} - - -/* Print the symbols. If ARCHIVE_BFD is non-NULL, it is the archive - containing ABFD. */ - -static void -print_symbols (bfd *abfd, bfd_boolean is_dynamic, void *minisyms, long symcount, - unsigned int size, bfd *archive_bfd) -{ - asymbol *store; - bfd_byte *from, *fromend; - - store = bfd_make_empty_symbol (abfd); - if (store == NULL) - bfd_fatal (bfd_get_filename (abfd)); - - from = (bfd_byte *) minisyms; - fromend = from + symcount * size; - for (; from < fromend; from += size) - { - asymbol *sym; - - sym = bfd_minisymbol_to_symbol (abfd, is_dynamic, from, store); - if (sym == NULL) - bfd_fatal (bfd_get_filename (abfd)); - - print_symbol (abfd, sym, (bfd_vma) 0, archive_bfd); - } -} - -/* If ARCHIVE_BFD is non-NULL, it is the archive containing ABFD. */ - -static void -display_rel_file (bfd *abfd, bfd *archive_bfd) -{ - long symcount; - void *minisyms; - unsigned int size; - struct size_sym *symsizes; - - if (! dynamic) - { - if (!(bfd_get_file_flags (abfd) & HAS_SYMS)) - { - non_fatal (_("%s: no symbols"), bfd_get_filename (abfd)); - return; - } - } - - symcount = bfd_read_minisymbols (abfd, dynamic, &minisyms, &size); - if (symcount < 0) - { - if (dynamic && bfd_get_error () == bfd_error_no_symbols) - { - non_fatal (_("%s: no symbols"), bfd_get_filename (abfd)); - return; - } - - bfd_fatal (bfd_get_filename (abfd)); - } - - if (symcount == 0) - { - non_fatal (_("%s: no symbols"), bfd_get_filename (abfd)); - return; - } - - if (show_synthetic && size == sizeof (asymbol *)) - { - asymbol *synthsyms; - long synth_count; - asymbol **static_syms = NULL; - asymbol **dyn_syms = NULL; - long static_count = 0; - long dyn_count = 0; - - if (dynamic) - { - dyn_count = symcount; - dyn_syms = (asymbol **) minisyms; - } - else - { - long storage = bfd_get_dynamic_symtab_upper_bound (abfd); - - static_count = symcount; - static_syms = (asymbol **) minisyms; - - if (storage > 0) - { - dyn_syms = (asymbol **) xmalloc (storage); - dyn_count = bfd_canonicalize_dynamic_symtab (abfd, dyn_syms); - if (dyn_count < 0) - bfd_fatal (bfd_get_filename (abfd)); - } - } - synth_count = bfd_get_synthetic_symtab (abfd, static_count, static_syms, - dyn_count, dyn_syms, &synthsyms); - if (synth_count > 0) - { - asymbol **symp; - void *new_mini; - long i; - - new_mini = xmalloc ((symcount + synth_count + 1) * sizeof (*symp)); - symp = (asymbol **) new_mini; - memcpy (symp, minisyms, symcount * sizeof (*symp)); - symp += symcount; - for (i = 0; i < synth_count; i++) - *symp++ = synthsyms + i; - *symp = 0; - minisyms = new_mini; - symcount += synth_count; - } - } - - /* Discard the symbols we don't want to print. - It's OK to do this in place; we'll free the storage anyway - (after printing). */ - - symcount = filter_symbols (abfd, dynamic, minisyms, symcount, size); - - symsizes = NULL; - if (! no_sort) - { - sort_bfd = abfd; - sort_dynamic = dynamic; - sort_x = bfd_make_empty_symbol (abfd); - sort_y = bfd_make_empty_symbol (abfd); - if (sort_x == NULL || sort_y == NULL) - bfd_fatal (bfd_get_filename (abfd)); - - if (! sort_by_size) - qsort (minisyms, symcount, size, - sorters[sort_numerically][reverse_sort]); - else - symcount = sort_symbols_by_size (abfd, dynamic, minisyms, symcount, - size, &symsizes); - } - - if (! sort_by_size) - print_symbols (abfd, dynamic, minisyms, symcount, size, archive_bfd); - else - print_size_symbols (abfd, dynamic, symsizes, symcount, archive_bfd); - - free (minisyms); - free (symsizes); -} - -static void -set_print_width (bfd *file) -{ - print_width = bfd_get_arch_size (file); - - if (print_width == -1) - { - /* PR binutils/4292 - Guess the target's bitsize based on its name. - We assume here than any 64-bit format will include - "64" somewhere in its name. The only known exception - is the MMO object file format. */ - if (strstr (bfd_get_target (file), "64") != NULL - || strcmp (bfd_get_target (file), "mmo") == 0) - print_width = 64; - else - print_width = 32; - } -} - -static void -display_archive (bfd *file) -{ - bfd *arfile = NULL; - bfd *last_arfile = NULL; - char **matching; - - format->print_archive_filename (bfd_get_filename (file)); - - if (print_armap) - print_symdef_entry (file); - - for (;;) - { - PROGRESS (1); - - arfile = bfd_openr_next_archived_file (file, arfile); - - if (arfile == NULL) - { - if (bfd_get_error () != bfd_error_no_more_archived_files) - bfd_fatal (bfd_get_filename (file)); - break; - } - - if (bfd_check_format_matches (arfile, bfd_object, &matching)) - { - set_print_width (arfile); - format->print_archive_member (bfd_get_filename (file), - bfd_get_filename (arfile)); - display_rel_file (arfile, file); - } - else - { - bfd_nonfatal (bfd_get_filename (arfile)); - if (bfd_get_error () == bfd_error_file_ambiguously_recognized) - { - list_matching_formats (matching); - free (matching); - } - } - - if (last_arfile != NULL) - { - bfd_close (last_arfile); - lineno_cache_bfd = NULL; - lineno_cache_rel_bfd = NULL; - } - last_arfile = arfile; - } - - if (last_arfile != NULL) - { - bfd_close (last_arfile); - lineno_cache_bfd = NULL; - lineno_cache_rel_bfd = NULL; - } -} - -static bfd_boolean -display_file (char *filename) -{ - bfd_boolean retval = TRUE; - bfd *file; - char **matching; - - if (get_file_size (filename) < 1) - return FALSE; - - file = bfd_openr (filename, target ? target : plugin_target); - if (file == NULL) - { - bfd_nonfatal (filename); - return FALSE; - } - - /* If printing line numbers, decompress the debug sections. */ - if (line_numbers) - file->flags |= BFD_DECOMPRESS; - - if (bfd_check_format (file, bfd_archive)) - { - display_archive (file); - } - else if (bfd_check_format_matches (file, bfd_object, &matching)) - { - set_print_width (file); - format->print_object_filename (filename); - display_rel_file (file, NULL); - } - else - { - bfd_nonfatal (filename); - if (bfd_get_error () == bfd_error_file_ambiguously_recognized) - { - list_matching_formats (matching); - free (matching); - } - retval = FALSE; - } - - if (!bfd_close (file)) - bfd_fatal (filename); - - lineno_cache_bfd = NULL; - lineno_cache_rel_bfd = NULL; - - return retval; -} - -/* The following 3 groups of functions are called unconditionally, - once at the start of processing each file of the appropriate type. - They should check `filename_per_file' and `filename_per_symbol', - as appropriate for their output format, to determine whether to - print anything. */ - -/* Print the name of an object file given on the command line. */ - -static void -print_object_filename_bsd (char *filename) -{ - if (filename_per_file && !filename_per_symbol) - printf ("\n%s:\n", filename); -} - -static void -print_object_filename_sysv (char *filename) -{ - if (undefined_only) - printf (_("\n\nUndefined symbols from %s:\n\n"), filename); - else - printf (_("\n\nSymbols from %s:\n\n"), filename); - if (print_width == 32) - printf (_("\ -Name Value Class Type Size Line Section\n\n")); - else - printf (_("\ -Name Value Class Type Size Line Section\n\n")); -} - -static void -print_object_filename_posix (char *filename) -{ - if (filename_per_file && !filename_per_symbol) - printf ("%s:\n", filename); -} - -/* Print the name of an archive file given on the command line. */ - -static void -print_archive_filename_bsd (char *filename) -{ - if (filename_per_file) - printf ("\n%s:\n", filename); -} - -static void -print_archive_filename_sysv (char *filename ATTRIBUTE_UNUSED) -{ -} - -static void -print_archive_filename_posix (char *filename ATTRIBUTE_UNUSED) -{ -} - -/* Print the name of an archive member file. */ - -static void -print_archive_member_bsd (char *archive ATTRIBUTE_UNUSED, - const char *filename) -{ - if (!filename_per_symbol) - printf ("\n%s:\n", filename); -} - -static void -print_archive_member_sysv (char *archive, const char *filename) -{ - if (undefined_only) - printf (_("\n\nUndefined symbols from %s[%s]:\n\n"), archive, filename); - else - printf (_("\n\nSymbols from %s[%s]:\n\n"), archive, filename); - if (print_width == 32) - printf (_("\ -Name Value Class Type Size Line Section\n\n")); - else - printf (_("\ -Name Value Class Type Size Line Section\n\n")); -} - -static void -print_archive_member_posix (char *archive, const char *filename) -{ - if (!filename_per_symbol) - printf ("%s[%s]:\n", archive, filename); -} - -/* Print the name of the file (and archive, if there is one) - containing a symbol. */ - -static void -print_symbol_filename_bsd (bfd *archive_bfd, bfd *abfd) -{ - if (filename_per_symbol) - { - if (archive_bfd) - printf ("%s:", bfd_get_filename (archive_bfd)); - printf ("%s:", bfd_get_filename (abfd)); - } -} - -static void -print_symbol_filename_sysv (bfd *archive_bfd, bfd *abfd) -{ - if (filename_per_symbol) - { - if (archive_bfd) - printf ("%s:", bfd_get_filename (archive_bfd)); - printf ("%s:", bfd_get_filename (abfd)); - } -} - -static void -print_symbol_filename_posix (bfd *archive_bfd, bfd *abfd) -{ - if (filename_per_symbol) - { - if (archive_bfd) - printf ("%s[%s]: ", bfd_get_filename (archive_bfd), - bfd_get_filename (abfd)); - else - printf ("%s: ", bfd_get_filename (abfd)); - } -} - -/* Print a symbol value. */ - -static void -print_value (bfd *abfd ATTRIBUTE_UNUSED, bfd_vma val) -{ - switch (print_width) - { - case 32: - printf (value_format_32bit, (unsigned long) val); - break; - - case 64: -#if BFD_HOST_64BIT_LONG || BFD_HOST_64BIT_LONG_LONG - printf (value_format_64bit, val); -#else - /* We have a 64 bit value to print, but the host is only 32 bit. */ - if (print_radix == 16) - bfd_fprintf_vma (abfd, stdout, val); - else - { - char buf[30]; - char *s; - - s = buf + sizeof buf; - *--s = '\0'; - while (val > 0) - { - *--s = (val % print_radix) + '0'; - val /= print_radix; - } - while ((buf + sizeof buf - 1) - s < 16) - *--s = '0'; - printf ("%s", s); - } -#endif - break; - - default: - fatal (_("Print width has not been initialized (%d)"), print_width); - break; - } -} - -/* Print a line of information about a symbol. */ - -static void -print_symbol_info_bsd (struct extended_symbol_info *info, bfd *abfd) -{ - if (bfd_is_undefined_symclass (SYM_TYPE (info))) - { - if (print_width == 64) - printf (" "); - printf (" "); - } - else - { - /* Normally we print the value of the symbol. If we are printing the - size or sorting by size then we print its size, except for the - (weird) special case where both flags are defined, in which case we - print both values. This conforms to documented behaviour. */ - if (sort_by_size && !print_size) - print_value (abfd, SYM_SIZE (info)); - else - print_value (abfd, SYM_VALUE (info)); - - if (print_size && SYM_SIZE (info)) - { - printf (" "); - print_value (abfd, SYM_SIZE (info)); - } - } - - printf (" %c", SYM_TYPE (info)); - - if (SYM_TYPE (info) == '-') - { - /* A stab. */ - printf (" "); - printf (other_format, SYM_STAB_OTHER (info)); - printf (" "); - printf (desc_format, SYM_STAB_DESC (info)); - printf (" %5s", SYM_STAB_NAME (info)); - } - print_symname (" %s", SYM_NAME (info), abfd); -} - -static void -print_symbol_info_sysv (struct extended_symbol_info *info, bfd *abfd) -{ - print_symname ("%-20s|", SYM_NAME (info), abfd); - - if (bfd_is_undefined_symclass (SYM_TYPE (info))) - { - if (print_width == 32) - printf (" "); - else - printf (" "); - } - else - print_value (abfd, SYM_VALUE (info)); - - printf ("| %c |", SYM_TYPE (info)); - - if (SYM_TYPE (info) == '-') - { - /* A stab. */ - printf ("%18s| ", SYM_STAB_NAME (info)); /* (C) Type. */ - printf (desc_format, SYM_STAB_DESC (info)); /* Size. */ - printf ("| |"); /* Line, Section. */ - } - else - { - /* Type, Size, Line, Section */ - if (info->elfinfo) - printf ("%18s|", - get_symbol_type (ELF_ST_TYPE (info->elfinfo->internal_elf_sym.st_info))); - else - printf (" |"); - - if (SYM_SIZE (info)) - print_value (abfd, SYM_SIZE (info)); - else - { - if (print_width == 32) - printf (" "); - else - printf (" "); - } - - if (info->elfinfo) - printf("| |%s", info->elfinfo->symbol.section->name); - else - printf("| |"); - } -} - -static void -print_symbol_info_posix (struct extended_symbol_info *info, bfd *abfd) -{ - print_symname ("%s ", SYM_NAME (info), abfd); - printf ("%c ", SYM_TYPE (info)); - - if (bfd_is_undefined_symclass (SYM_TYPE (info))) - printf (" "); - else - { - print_value (abfd, SYM_VALUE (info)); - printf (" "); - if (SYM_SIZE (info)) - print_value (abfd, SYM_SIZE (info)); - } -} - -int -main (int argc, char **argv) -{ - int c; - int retval; - -#if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES) - setlocale (LC_MESSAGES, ""); -#endif -#if defined (HAVE_SETLOCALE) - setlocale (LC_CTYPE, ""); - setlocale (LC_COLLATE, ""); -#endif - bindtextdomain (PACKAGE, LOCALEDIR); - textdomain (PACKAGE); - - program_name = *argv; - xmalloc_set_program_name (program_name); -#if BFD_SUPPORTS_PLUGINS - bfd_plugin_set_program_name (program_name); -#endif - - START_PROGRESS (program_name, 0); - - expandargv (&argc, &argv); - - bfd_init (); - set_default_bfd_target (); - - while ((c = getopt_long (argc, argv, "aABCDef:gHhlnopPrSst:uvVvX:", - long_options, (int *) 0)) != EOF) - { - switch (c) - { - case 'a': - print_debug_syms = 1; - break; - case 'A': - case 'o': - filename_per_symbol = 1; - break; - case 'B': /* For MIPS compatibility. */ - set_output_format ("bsd"); - break; - case 'C': - do_demangle = 1; - if (optarg != NULL) - { - enum demangling_styles style; - - style = cplus_demangle_name_to_style (optarg); - if (style == unknown_demangling) - fatal (_("unknown demangling style `%s'"), - optarg); - - cplus_demangle_set_style (style); - } - break; - case 'D': - dynamic = 1; - break; - case 'e': - /* Ignored for HP/UX compatibility. */ - break; - case 'f': - set_output_format (optarg); - break; - case 'g': - external_only = 1; - break; - case 'H': - case 'h': - usage (stdout, 0); - case 'l': - line_numbers = 1; - break; - case 'n': - case 'v': - no_sort = 0; - sort_numerically = 1; - sort_by_size = 0; - break; - case 'p': - no_sort = 1; - sort_numerically = 0; - sort_by_size = 0; - break; - case OPTION_SIZE_SORT: - no_sort = 0; - sort_numerically = 0; - sort_by_size = 1; - break; - case 'P': - set_output_format ("posix"); - break; - case 'r': - reverse_sort = 1; - break; - case 's': - print_armap = 1; - break; - case 'S': - print_size = 1; - break; - case 't': - set_print_radix (optarg); - break; - case 'u': - undefined_only = 1; - break; - case 'V': - show_version = 1; - break; - case 'X': - /* Ignored for (partial) AIX compatibility. On AIX, the - argument has values 32, 64, or 32_64, and specifies that - only 32-bit, only 64-bit, or both kinds of objects should - be examined. The default is 32. So plain AIX nm on a - library archive with both kinds of objects will ignore - the 64-bit ones. For GNU nm, the default is and always - has been -X 32_64, and other options are not supported. */ - if (strcmp (optarg, "32_64") != 0) - fatal (_("Only -X 32_64 is supported")); - break; - - case OPTION_TARGET: /* --target */ - target = optarg; - break; - - case OPTION_PLUGIN: /* --plugin */ -#if BFD_SUPPORTS_PLUGINS - plugin_target = "plugin"; - bfd_plugin_set_plugin (optarg); -#else - fatal (_("sorry - this program has been built without plugin support\n")); -#endif - break; - - case 0: /* A long option that just sets a flag. */ - break; - - default: - usage (stderr, 1); - } - } - - if (show_version) - print_version ("nm"); - - if (sort_by_size && undefined_only) - { - non_fatal (_("Using the --size-sort and --undefined-only options together")); - non_fatal (_("will produce no output, since undefined symbols have no size.")); - return 0; - } - - /* OK, all options now parsed. If no filename specified, do a.out. */ - if (optind == argc) - return !display_file ("a.out"); - - retval = 0; - - if (argc - optind > 1) - filename_per_file = 1; - - /* We were given several filenames to do. */ - while (optind < argc) - { - PROGRESS (1); - if (!display_file (argv[optind++])) - retval++; - } - - END_PROGRESS (program_name); - -#ifdef HAVE_SBRK - if (show_stats) - { - char *lim = (char *) sbrk (0); - - non_fatal (_("data size %ld"), (long) (lim - (char *) &environ)); - } -#endif - - exit (retval); - return retval; -} |