X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=binutils%2Fnm.c;h=2ee38c29f76a95300750b38a0dab2b13f510ffa5;hb=aa989b27d0bad451455416953c0e5026e229863a;hp=9a10e95b6f729f2adbc4cbf8a65d1562cb4f7263;hpb=8c2bc6877d75f8cd9073f206fab29920f73d325c;p=deliverable%2Fbinutils-gdb.git diff --git a/binutils/nm.c b/binutils/nm.c index 9a10e95b6f..2ee38c29f7 100644 --- a/binutils/nm.c +++ b/binutils/nm.c @@ -1,13 +1,11 @@ /* nm.c -- Describe symbol table of a rel file. - Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, - 2001 - Free Software Foundation, Inc. + Copyright (C) 1991-2019 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 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, @@ -17,24 +15,36 @@ 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., 59 Temple Place - Suite 330, Boston, MA - 02111-1307, USA. */ + Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA + 02110-1301, USA. */ +#include "sysdep.h" #include "bfd.h" #include "progress.h" -#include "bucomm.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" +#define DO_NOT_DEFINE_AOUTHDR +#define DO_NOT_DEFINE_FILHDR +#define DO_NOT_DEFINE_LINENO +#define DO_NOT_DEFINE_SCNHDR +#include "coff/external.h" +#include "coff/internal.h" +#include "libcoff.h" +#include "bucomm.h" +#include "plugin-api.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 PTR minisym; + const void *minisym; bfd_vma size; }; @@ -49,142 +59,61 @@ struct get_relocs_info asymbol **syms; }; -static void -usage PARAMS ((FILE *, int)); - -static void -set_print_radix PARAMS ((char *)); - -static void -set_output_format PARAMS ((char *)); - -static void -display_archive PARAMS ((bfd *)); - -static boolean -display_file PARAMS ((char *filename)); - -static void -display_rel_file PARAMS ((bfd * file, bfd * archive)); - -static long -filter_symbols PARAMS ((bfd *, boolean, PTR, long, unsigned int)); - -static long -sort_symbols_by_size PARAMS ((bfd *, boolean, PTR, long, unsigned int, - struct size_sym **)); - -static void -print_symbols PARAMS ((bfd *, boolean, PTR, long, unsigned int, bfd *)); - -static void -print_size_symbols PARAMS ((bfd *, boolean, struct size_sym *, long, bfd *)); - -static void -print_symname PARAMS ((const char *, const char *, bfd *)); - -static void -print_symbol PARAMS ((bfd *, asymbol *, bfd *)); - -static void -print_symdef_entry PARAMS ((bfd * abfd)); - -/* The sorting functions. */ - -static int -numeric_forward PARAMS ((const PTR, const PTR)); - -static int -numeric_reverse PARAMS ((const PTR, const PTR)); - -static int -non_numeric_forward PARAMS ((const PTR, const PTR)); - -static int -non_numeric_reverse PARAMS ((const PTR, const PTR)); - -static int -size_forward1 PARAMS ((const PTR, const PTR)); - -static int -size_forward2 PARAMS ((const PTR, const PTR)); +struct extended_symbol_info +{ + symbol_info *sinfo; + bfd_vma ssize; + elf_symbol_type *elfinfo; + coff_symbol_type *coffinfo; + /* 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 PARAMS ((char *filename)); - -static void -print_object_filename_sysv PARAMS ((char *filename)); - -static void -print_object_filename_posix PARAMS ((char *filename)); - - -static void -print_archive_filename_bsd PARAMS ((char *filename)); - -static void -print_archive_filename_sysv PARAMS ((char *filename)); - -static void -print_archive_filename_posix PARAMS ((char *filename)); - - -static void -print_archive_member_bsd PARAMS ((char *archive, CONST char *filename)); - -static void -print_archive_member_sysv PARAMS ((char *archive, CONST char *filename)); - -static void -print_archive_member_posix PARAMS ((char *archive, CONST char *filename)); - - -static void -print_symbol_filename_bsd PARAMS ((bfd * archive_bfd, bfd * abfd)); - -static void -print_symbol_filename_sysv PARAMS ((bfd * archive_bfd, bfd * abfd)); - -static void -print_symbol_filename_posix PARAMS ((bfd * archive_bfd, bfd * abfd)); - - -static void -print_value PARAMS ((bfd_vma)); - -static void -print_symbol_info_bsd PARAMS ((symbol_info * info, bfd * abfd)); - -static void -print_symbol_info_sysv PARAMS ((symbol_info * info, bfd * abfd)); - -static void -print_symbol_info_posix PARAMS ((symbol_info * info, bfd * abfd)); - -static void -get_relocs PARAMS ((bfd *, asection *, PTR)); +static void print_object_filename_bsd (const char *); +static void print_object_filename_sysv (const char *); +static void print_object_filename_posix (const char *); +static void print_archive_filename_bsd (const char *); +static void print_archive_filename_sysv (const char *); +static void print_archive_filename_posix (const char *); +static void print_archive_member_bsd (const char *, const char *); +static void print_archive_member_sysv (const char *, const char *); +static void print_archive_member_posix (const 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) PARAMS ((char *filename)); + void (*print_object_filename) (const char *); /* Print the name of an archive file given on the command line. */ - void (*print_archive_filename) PARAMS ((char *filename)); + void (*print_archive_filename) (const char *); /* Print the name of an archive member file. */ - void (*print_archive_member) PARAMS ((char *archive, CONST char *filename)); + void (*print_archive_member) (const char *, const char *); /* Print the name of the file (and archive, if there is one) containing a symbol. */ - void (*print_symbol_filename) PARAMS ((bfd * archive_bfd, bfd * abfd)); + void (*print_symbol_filename) (bfd *, bfd *); /* Print a line of information about a symbol. */ - void (*print_symbol_info) PARAMS ((symbol_info * info, bfd * abfd)); + void (*print_symbol_info) (struct extended_symbol_info *, bfd *); }; + static struct output_fns formats[] = { {print_object_filename_bsd, @@ -212,51 +141,60 @@ static struct output_fns formats[] = /* The output format to use. */ static struct output_fns *format = &formats[FORMAT_DEFAULT]; - +static unsigned int print_format = FORMAT_DEFAULT; +static const char *print_format_string = NULL; /* 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 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 line_numbers = 0; /* print line numbers for symbols */ +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_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. */ +static int with_symbol_versions = 0; /* Include symbol version information in the output. */ + +static int demangle_flags = DMGL_ANSI | DMGL_PARAMS; /* 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. */ -#ifndef BFD64 -static char value_format[] = "%08lx"; -#else -#if BFD_HOST_64BIT_LONG -static char value_format[] = "%016lx"; -#else -/* We don't use value_format for this case. */ -#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; +#if BFD_SUPPORTS_PLUGINS +static const char *plugin_target = "plugin"; +#else +static const char *plugin_target = NULL; +#endif /* Used to cache the line numbers for a BFD. */ static bfd *lineno_cache_bfd; static bfd *lineno_cache_rel_bfd; -#define OPTION_TARGET 200 +enum long_option_values +{ + OPTION_TARGET = 200, + OPTION_PLUGIN, + OPTION_SIZE_SORT, + OPTION_RECURSE_LIMIT, + OPTION_NO_RECURSE_LIMIT +}; static struct option long_options[] = { @@ -269,63 +207,82 @@ static struct option long_options[] = {"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, &no_sort, 1}, - {"numeric-sort", no_argument, &sort_numerically, 1}, + {"no-recurse-limit", no_argument, NULL, OPTION_NO_RECURSE_LIMIT}, + {"no-recursion-limit", no_argument, NULL, OPTION_NO_RECURSE_LIMIT}, + {"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'}, + {"recurse-limit", no_argument, NULL, OPTION_RECURSE_LIMIT}, + {"recursion-limit", no_argument, NULL, OPTION_RECURSE_LIMIT}, {"reverse-sort", no_argument, &reverse_sort, 1}, - {"size-sort", no_argument, &sort_by_size, 1}, - {"stats", no_argument, &show_stats, 1}, + {"size-sort", no_argument, 0, OPTION_SIZE_SORT}, + {"special-syms", no_argument, &allow_special_symbols, 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}, + {"with-symbol-versions", no_argument, &with_symbol_versions, 1}, {0, no_argument, 0, 0} }; -/* Some error-reporting functions */ +/* Some error-reporting functions. */ -static void -usage (stream, status) - FILE *stream; - int status; +ATTRIBUTE_NORETURN static void +usage (FILE *stream, int status) { - fprintf (stream, _("Usage: %s [OPTION]... [FILE]...\n"), program_name); - fprintf (stream, _("List symbols from FILEs (a.out by default).\n")); - fprintf (stream, _("\n\ + 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' or 'gnu-new-abi'\n\ + `gnu', `lucid', `arm', `hp', `edg', `gnu-v3', `java'\n\ + or `gnat'\n\ --no-demangle Do not demangle low-level symbol names\n\ + --recurse-limit Enable a demangling recursion limit. This is the default.\n\ + --no-recurse-limit Disable a demangling recursion limit.\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\ - -h, --help Display this information\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\ + -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\ - -V, --version Display this program's version number\n\ + --with-symbol-versions Display version strings after symbol names\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 (status == 0) + if (REPORT_BUGS_TO[0] && status == 0) fprintf (stream, _("Report bugs to %s.\n"), REPORT_BUGS_TO); exit (status); } @@ -333,39 +290,23 @@ usage (stream, status) /* Set the radix for the symbol value and size according to RADIX. */ static void -set_print_radix (radix) - char *radix; +set_print_radix (char *radix) { switch (*radix) { - case 'x': - break; - case 'd': - case 'o': - if (*radix == 'd') - print_radix = 10; - else - print_radix = 8; -#ifndef BFD64 - value_format[4] = *radix; -#else -#if BFD_HOST_64BIT_LONG - value_format[5] = *radix; -#else - /* This case requires special handling for octal and decimal - printing. */ -#endif -#endif - other_format[3] = desc_format[3] = *radix; - break; + case 'x': print_radix = 16; break; + case 'd': print_radix = 10; break; + case 'o': print_radix = 8; break; + default: fatal (_("%s: invalid radix"), radix); } + + other_format[3] = desc_format[3] = *radix; } static void -set_output_format (f) - char *f; +set_output_format (char *f) { int i; @@ -387,267 +328,211 @@ set_output_format (f) fatal (_("%s: invalid output format"), f); } format = &formats[i]; + print_format = i; } -int -main (argc, argv) - int argc; - char **argv; +static const char * +get_elf_symbol_type (unsigned int type) { - int c; - int retval; - -#if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES) - setlocale (LC_MESSAGES, ""); -#endif - bindtextdomain (PACKAGE, LOCALEDIR); - textdomain (PACKAGE); - - program_name = *argv; - xmalloc_set_program_name (program_name); - - START_PROGRESS (program_name, 0); + static char *bufp; + int n; - bfd_init (); - set_default_bfd_target (); - - while ((c = getopt_long (argc, argv, "aABCDef:glnopPrst:uvVX:", - long_options, (int *) 0)) != EOF) + switch (type) { - 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': - usage (stdout, 0); - case 'l': - line_numbers = 1; - break; - case 'n': - case 'v': - sort_numerically = 1; - break; - case 'p': - no_sort = 1; - break; - case 'P': - set_output_format ("posix"); - break; - case 'r': - reverse_sort = 1; - break; - case 's': - print_armap = 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 specfies 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 0: /* A long option that just sets a flag. */ - break; - - default: - usage (stderr, 1); - } + 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"; } - if (show_version) - print_version ("nm"); - - /* OK, all options now parsed. If no filename specified, do a.out. */ - if (optind == argc) - return !display_file ("a.out"); - - retval = 0; + free (bufp); + if (type >= STT_LOPROC && type <= STT_HIPROC) + n = asprintf (&bufp, _(": %d"), type); + else if (type >= STT_LOOS && type <= STT_HIOS) + n = asprintf (&bufp, _(": %d"), type); + else + n = asprintf (&bufp, _(": %d"), type); + if (n < 0) + fatal ("%s", xstrerror (errno)); + return bufp; +} - if (argc - optind > 1) - filename_per_file = 1; +static const char * +get_coff_symbol_type (const struct internal_syment *sym) +{ + static char *bufp; + int n; - /* We were given several filenames to do. */ - while (optind < argc) + switch (sym->n_sclass) { - PROGRESS (1); - if (!display_file (argv[optind++])) - retval++; + case C_BLOCK: return "Block"; + case C_FILE: return "File"; + case C_LINE: return "Line"; } - END_PROGRESS (program_name); + if (!sym->n_type) + return "None"; -#ifdef HAVE_SBRK - if (show_stats) + switch (DTYPE(sym->n_type)) { - char *lim = (char *) sbrk (0); - - non_fatal (_("data size %ld"), (long) (lim - (char *) &environ)); + case DT_FCN: return "Function"; + case DT_PTR: return "Pointer"; + case DT_ARY: return "Array"; } -#endif - exit (retval); - return retval; + free (bufp); + n = asprintf (&bufp, _(": %d/%d"), sym->n_sclass, sym->n_type); + if (n < 0) + fatal ("%s", xstrerror (errno)); + return bufp; } +/* Print symbol name NAME, read from ABFD, with printf format FORM, + demangling it if requested. */ + static void -display_archive (file) - bfd *file; +print_symname (const char *form, const char *name, bfd *abfd) { - 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 (;;) + if (do_demangle && *name) { - PROGRESS (1); + char *res = bfd_demangle (abfd, name, demangle_flags); - arfile = bfd_openr_next_archived_file (file, arfile); - - if (arfile == NULL) + if (res != NULL) { - if (bfd_get_error () != bfd_error_no_more_archived_files) - bfd_fatal (bfd_get_filename (file)); - break; + printf (form, res); + free (res); + return; } + } - if (bfd_check_format_matches (arfile, bfd_object, &matching)) - { - (*format->print_archive_member) (bfd_get_filename (file), - bfd_get_filename (arfile)); - display_rel_file (arfile, file); - } - else + 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) { - bfd_nonfatal (bfd_get_filename (arfile)); - if (bfd_get_error () == bfd_error_file_ambiguously_recognized) - { - list_matching_formats (matching); - free (matching); - } + printf (_("\nArchive index:\n")); + everprinted = TRUE; } - - if (last_arfile != NULL) + elt = bfd_get_elt_at_index (abfd, idx); + if (elt == NULL) + bfd_fatal ("bfd_get_elt_at_index"); + if (thesym->name != (char *) NULL) { - bfd_close (last_arfile); - lineno_cache_bfd = NULL; - lineno_cache_rel_bfd = NULL; + print_symname ("%s", thesym->name, abfd); + printf (" in %s\n", bfd_get_filename (elt)); } - last_arfile = arfile; - } - - if (last_arfile != NULL) - { - bfd_close (last_arfile); - lineno_cache_bfd = NULL; - lineno_cache_rel_bfd = NULL; } } + + +/* True when we can report missing plugin error. */ +bfd_boolean report_plugin_err = TRUE; + +/* Choose which symbol entries to print; + compact them downward to get rid of the rest. + Return the number of symbols to be printed. */ -static boolean -display_file (filename) - char *filename; +static long +filter_symbols (bfd *abfd, bfd_boolean is_dynamic, void *minisyms, + long symcount, unsigned int size) { - boolean retval = true; - bfd *file; - char **matching; + bfd_byte *from, *fromend, *to; + asymbol *store; - file = bfd_openr (filename, target); - if (file == NULL) - { - bfd_nonfatal (filename); - return false; - } + store = bfd_make_empty_symbol (abfd); + if (store == NULL) + bfd_fatal (bfd_get_filename (abfd)); - if (bfd_check_format (file, bfd_archive)) - { - display_archive (file); - } - else if (bfd_check_format_matches (file, bfd_object, &matching)) - { - (*format->print_object_filename) (filename); - display_rel_file (file, NULL); - } - else + from = (bfd_byte *) minisyms; + fromend = from + symcount * size; + to = (bfd_byte *) minisyms; + + for (; from < fromend; from += size) { - bfd_nonfatal (filename); - if (bfd_get_error () == bfd_error_file_ambiguously_recognized) + 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 (sym->name[0] == '_' + && sym->name[1] == '_' + && strcmp (sym->name + (sym->name[2] == '_'), "__gnu_lto_slim") == 0 + && report_plugin_err) { - list_matching_formats (matching); - free (matching); + report_plugin_err = FALSE; + non_fatal (_("%s: plugin needed to handle lto object"), + bfd_get_filename (abfd)); } - retval = false; - } - if (bfd_close (file) == false) - bfd_fatal (filename); + 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; - lineno_cache_bfd = NULL; - lineno_cache_rel_bfd = NULL; + if (keep + && ! print_debug_syms + && (sym->flags & BSF_DEBUGGING) != 0) + keep = 0; - return retval; + 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 boolean sort_dynamic; +static bfd_boolean sort_dynamic; static asymbol *sort_x; static asymbol *sort_y; @@ -659,71 +544,78 @@ static asymbol *sort_y; specially -- i.e., their sizes are used as their "values". */ static int -numeric_forward (P_x, P_y) - const PTR P_x; - const PTR P_y; +non_numeric_forward (const void *P_x, const void *P_y) { asymbol *x, *y; - asection *xs, *ys; + 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); + 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); + xn = bfd_asymbol_name (x); + yn = bfd_asymbol_name (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; + if (yn == NULL) + return xn != NULL; + if (xn == NULL) + return -1; - return non_numeric_forward (P_x, P_y); +#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 -numeric_reverse (x, y) - const PTR x; - const PTR y; +non_numeric_reverse (const void *x, const void *y) { - return - numeric_forward (x, y); + return - non_numeric_forward (x, y); } static int -non_numeric_forward (P_x, P_y) - const PTR P_x; - const PTR P_y; +numeric_forward (const void *P_x, const void *P_y) { asymbol *x, *y; - const char *xn, *yn; + 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); + 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); + xs = bfd_asymbol_section (x); + ys = bfd_asymbol_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 ((xn == NULL) ? ((yn == NULL) ? 0 : -1) : - ((yn == NULL) ? 1 : strcmp (xn, yn))); + return non_numeric_forward (P_x, P_y); } static int -non_numeric_reverse (x, y) - const PTR x; - const PTR y; +numeric_reverse (const void *x, const void *y) { - return - non_numeric_forward (x, y); + return - numeric_forward (x, y); } -static int (*(sorters[2][2])) PARAMS ((const PTR, const PTR)) = +static int (*(sorters[2][2])) (const void *, const void *) = { { non_numeric_forward, non_numeric_reverse }, { numeric_forward, numeric_reverse } @@ -741,9 +633,7 @@ static int (*(sorters[2][2])) PARAMS ((const PTR, const PTR)) = value. */ static int -size_forward1 (P_x, P_y) - const PTR P_x; - const PTR P_y; +size_forward1 (const void *P_x, const void *P_y) { asymbol *x, *y; asection *xs, *ys; @@ -756,8 +646,8 @@ size_forward1 (P_x, P_y) if (x == NULL || y == NULL) bfd_fatal (bfd_get_filename (sort_bfd)); - xs = bfd_get_section (x); - ys = bfd_get_section (y); + xs = bfd_asymbol_section (x); + ys = bfd_asymbol_section (y); if (bfd_is_und_section (xs)) abort (); @@ -794,7 +684,8 @@ size_forward1 (P_x, P_y) #define file_symbol(s, sn, snl) \ (((s)->flags & BSF_FILE) != 0 \ - || ((sn)[(snl) - 2] == '.' \ + || ((snl) > 2 \ + && (sn)[(snl) - 2] == '.' \ && ((sn)[(snl) - 1] == 'o' \ || (sn)[(snl) - 1] == 'a'))) @@ -813,9 +704,7 @@ size_forward1 (P_x, P_y) an array of size_sym structures into size order. */ static int -size_forward2 (P_x, P_y) - const PTR P_x; - const PTR P_y; +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; @@ -828,19 +717,15 @@ size_forward2 (P_x, P_y) return sorters[0][reverse_sort] (x->minisym, y->minisym); } -/* Sort the symbols by size. We guess the size by assuming that the - difference between the address of a symbol and the address of the - next higher symbol is the size. FIXME: ELF actually stores a size - with each symbol. We should use it. */ +/* 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 (abfd, dynamic, minisyms, symcount, size, symsizesp) - bfd *abfd; - boolean dynamic; - PTR minisyms; - long symcount; - unsigned int size; - struct size_sym **symsizesp; +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; @@ -857,7 +742,6 @@ sort_symbols_by_size (abfd, dynamic, minisyms, symcount, size, symsizesp) /* 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; @@ -866,7 +750,7 @@ sort_symbols_by_size (abfd, dynamic, minisyms, symcount, size, symsizesp) if (from < fromend) { - sym = bfd_minisymbol_to_symbol (abfd, dynamic, (const PTR) from, + sym = bfd_minisymbol_to_symbol (abfd, is_dynamic, (const void *) from, store_sym); if (sym == NULL) bfd_fatal (bfd_get_filename (abfd)); @@ -882,8 +766,8 @@ sort_symbols_by_size (abfd, dynamic, minisyms, symcount, size, symsizesp) if (from + size < fromend) { next = bfd_minisymbol_to_symbol (abfd, - dynamic, - (const PTR) (from + size), + is_dynamic, + (const void *) (from + size), store_next); if (next == NULL) bfd_fatal (bfd_get_filename (abfd)); @@ -891,24 +775,31 @@ sort_symbols_by_size (abfd, dynamic, minisyms, symcount, size, symsizesp) else next = NULL; - sec = bfd_get_section (sym); + sec = bfd_asymbol_section (sym); - if (bfd_is_com_section (sec)) + /* Synthetic symbols don't have a full type set of data available, thus + we can't rely on that information for the symbol size. Ditto for + bfd/section.c:global_syms like *ABS*. */ + if ((sym->flags & (BSF_SECTION_SYM | BSF_SYNTHETIC)) == 0 + && bfd_get_flavour (abfd) == bfd_target_elf_flavour) + sz = ((elf_symbol_type *) sym)->internal_elf_sym.st_size; + else if ((sym->flags & (BSF_SECTION_SYM | BSF_SYNTHETIC)) == 0 + && bfd_is_com_section (sec)) sz = sym->value; else { if (from + size < fromend - && sec == bfd_get_section (next)) + && sec == bfd_asymbol_section (next)) sz = valueof (next) - valueof (sym); else - sz = (bfd_get_section_vma (abfd, sec) - + bfd_section_size (abfd, sec) + sz = (bfd_section_vma (sec) + + bfd_section_size (sec) - valueof (sym)); } if (sz != 0) { - symsizes->minisym = (const PTR) from; + symsizes->minisym = (const void *) from; symsizes->size = sz; ++symsizes; } @@ -923,268 +814,93 @@ sort_symbols_by_size (abfd, dynamic, minisyms, symcount, size, symsizesp) symcount = symsizes - *symsizesp; /* We must now sort again by size. */ - qsort ((PTR) *symsizesp, symcount, sizeof (struct size_sym), size_forward2); + qsort ((void *) *symsizesp, symcount, sizeof (struct size_sym), size_forward2); return symcount; } - -/* If ARCHIVE_BFD is non-NULL, it is the archive containing ABFD. */ + +/* This function is used to get the relocs for a particular section. + It is called via bfd_map_over_sections. */ static void -display_rel_file (abfd, archive_bfd) - bfd *abfd; - bfd *archive_bfd; +get_relocs (bfd *abfd, asection *sec, void *dataarg) { - long symcount; - PTR 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; - } - } + struct get_relocs_info *data = (struct get_relocs_info *) dataarg; - symcount = bfd_read_minisymbols (abfd, dynamic, &minisyms, &size); - if (symcount < 0) - bfd_fatal (bfd_get_filename (abfd)); + *data->secs = sec; - if (symcount == 0) + if ((sec->flags & SEC_RELOC) == 0) { - non_fatal (_("%s: no symbols"), bfd_get_filename (abfd)); - return; + *data->relocs = NULL; + *data->relcount = 0; } - - /* 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) + else { - 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) + long relsize; + + relsize = bfd_get_reloc_upper_bound (abfd, sec); + if (relsize < 0) 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); + *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)); } - 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); + ++data->secs; + ++data->relocs; + ++data->relcount; } - -/* 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 (abfd, dynamic, minisyms, symcount, size) - bfd *abfd; - boolean dynamic; - PTR minisyms; - long symcount; - unsigned int size; +/* Print a single symbol. */ + +static void +print_symbol (bfd * abfd, + asymbol * sym, + bfd_vma ssize, + bfd * archive_bfd) { - bfd_byte *from, *fromend, *to; - asymbol *store; + symbol_info syminfo; + struct extended_symbol_info info; - store = bfd_make_empty_symbol (abfd); - if (store == NULL) - bfd_fatal (bfd_get_filename (abfd)); + PROGRESS (1); - from = (bfd_byte *) minisyms; - fromend = from + symcount * size; - to = (bfd_byte *) minisyms; + format->print_symbol_filename (archive_bfd, abfd); - for (; from < fromend; from += size) - { - int keep = 0; - asymbol *sym; + bfd_get_symbol_info (abfd, sym, &syminfo); - PROGRESS (1); - - sym = bfd_minisymbol_to_symbol (abfd, dynamic, (const PTR) 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) - keep = ((sym->flags & BSF_GLOBAL) != 0 - || (sym->flags & BSF_WEAK) != 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) - { - memcpy (to, from, size); - to += size; - } - } - - return (to - (bfd_byte *) minisyms) / size; -} - -/* Print symbol name NAME, read from ABFD, with printf format FORMAT, - demangling it if requested. */ - -static void -print_symname (format, name, abfd) - const char *format; - const char *name; - bfd *abfd; -{ - if (do_demangle && *name) + info.sinfo = &syminfo; + info.ssize = ssize; + /* Synthetic symbols do not have a full symbol type set of data available. + Nor do bfd/section.c:global_syms like *ABS*. */ + if ((sym->flags & (BSF_SECTION_SYM | BSF_SYNTHETIC)) != 0) { - char *res; - - /* In this mode, give a user-level view of the symbol name - even if it's not mangled; strip off any leading - underscore. */ - if (bfd_get_symbol_leading_char (abfd) == name[0]) - name++; - - res = cplus_demangle (name, DMGL_ANSI | DMGL_PARAMS); - if (res) - { - printf (format, res); - free (res); - return; - } + info.elfinfo = NULL; + info.coffinfo = NULL; } - - printf (format, name); -} - -/* Print the symbols. If ARCHIVE_BFD is non-NULL, it is the archive - containing ABFD. */ - -static void -print_symbols (abfd, dynamic, minisyms, symcount, size, archive_bfd) - bfd *abfd; - boolean dynamic; - PTR 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) + else { - asymbol *sym; - - sym = bfd_minisymbol_to_symbol (abfd, dynamic, from, store); - if (sym == NULL) - bfd_fatal (bfd_get_filename (abfd)); - - print_symbol (abfd, sym, archive_bfd); + info.elfinfo = elf_symbol_from (abfd, sym); + info.coffinfo = coff_symbol_from (sym); } -} - -/* Print the symbols when sorting by size. */ -static void -print_size_symbols (abfd, dynamic, symsizes, symcount, archive_bfd) - bfd *abfd; - boolean 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)); + format->print_symbol_info (&info, abfd); - from = symsizes; - fromend = from + symcount; - for (; from < fromend; from++) + if (with_symbol_versions) { - asymbol *sym; + const char * version_string = NULL; + bfd_boolean hidden = FALSE; - sym = bfd_minisymbol_to_symbol (abfd, dynamic, from->minisym, store); - if (sym == NULL) - bfd_fatal (bfd_get_filename (abfd)); + if ((sym->flags & (BSF_SECTION_SYM | BSF_SYNTHETIC)) == 0) + version_string = bfd_get_symbol_version_string (abfd, sym, &hidden); - /* Set the symbol value so that we actually display the symbol - size. */ - sym->value = from->size - bfd_section_vma (abfd, bfd_get_section (sym)); + if (bfd_is_und_section (bfd_asymbol_section (sym))) + hidden = TRUE; - print_symbol (abfd, sym, archive_bfd); - } -} - -/* Print a single symbol. */ - -static void -print_symbol (abfd, sym, archive_bfd) - bfd *abfd; - asymbol *sym; - bfd *archive_bfd; -{ - PROGRESS (1); - - (*format->print_symbol_filename) (archive_bfd, abfd); - - if (undefined_only) - { - if (bfd_is_und_section (bfd_get_section (sym))) - print_symname ("%s", bfd_asymbol_name (sym), abfd); - } - else - { - symbol_info syminfo; - - bfd_get_symbol_info (abfd, sym, &syminfo); - (*format->print_symbol_info) (&syminfo, abfd); + if (version_string && *version_string != '\0') + printf (hidden ? "@%s" : "@@%s", version_string); } if (line_numbers) @@ -1216,7 +932,7 @@ print_symbol (abfd, sym, archive_bfd) lineno_cache_bfd = abfd; } - if (bfd_is_und_section (bfd_get_section (sym))) + if (bfd_is_und_section (bfd_asymbol_section (sym))) { static asection **secs; static arelent ***relocs; @@ -1227,7 +943,6 @@ print_symbol (abfd, sym, archive_bfd) /* 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++) @@ -1243,7 +958,7 @@ print_symbol (abfd, sym, archive_bfd) if (relocs == NULL) { - struct get_relocs_info info; + struct get_relocs_info rinfo; seccount = bfd_count_sections (abfd); @@ -1251,11 +966,11 @@ print_symbol (abfd, sym, archive_bfd) relocs = (arelent ***) xmalloc (seccount * sizeof *relocs); relcount = (long *) xmalloc (seccount * sizeof *relcount); - info.secs = secs; - info.relocs = relocs; - info.relcount = relcount; - info.syms = syms; - bfd_map_over_sections (abfd, get_relocs, (PTR) &info); + 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; } @@ -1276,7 +991,8 @@ print_symbol (abfd, sym, archive_bfd) bfd_asymbol_name (*r->sym_ptr_ptr)) == 0 && bfd_find_nearest_line (abfd, secs[i], syms, r->address, &filename, - &functionname, &lineno)) + &functionname, &lineno) + && filename != NULL) { /* We only print the first one we find. */ printf ("\t%s:%u", filename, lineno); @@ -1286,20 +1002,398 @@ print_symbol (abfd, sym, archive_bfd) } } } - else if (bfd_get_section (sym)->owner == abfd) + else if (bfd_asymbol_section (sym)->owner == abfd) + { + if ((bfd_find_line (abfd, syms, sym, &filename, &lineno) + || bfd_find_nearest_line (abfd, bfd_asymbol_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; + struct size_sym *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 of ABFD that are held in MINISYMS. + + If ARCHIVE_BFD is non-NULL, it is the archive containing ABFD. + + SYMCOUNT is the number of symbols in MINISYMS. + + SIZE is the size of a symbol in MINISYMS. */ + +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; + bfd_byte *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; + asymbol *synthsyms = NULL; + + 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 **static_syms = NULL; + asymbol **dyn_syms = NULL; + long static_count = 0; + long dyn_count = 0; + long synth_count; + + 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; + long i; + + minisyms = xrealloc (minisyms, + (symcount + synth_count + 1) * sizeof (*symp)); + symp = (asymbol **) minisyms + symcount; + for (i = 0; i < synth_count; i++) + *symp++ = synthsyms + i; + *symp = 0; + symcount += synth_count; + } + } + + /* lto_slim_object is set to false when a bfd is loaded with a compiler + LTO plugin. */ + if (abfd->lto_slim_object) + { + report_plugin_err = FALSE; + non_fatal (_("%s: plugin needed to handle lto object"), + bfd_get_filename (abfd)); + } + + /* 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); + + if (synthsyms) + free (synthsyms); + free (minisyms); + free (symsizes); +} + +/* Construct a formatting string for printing symbol values. */ + +static const char * +get_print_format (void) +{ + const char * padding; + if (print_format == FORMAT_POSIX) + { + /* POSIX compatible output does not have any padding. */ + padding = ""; + } + else if (print_width == 32) + { + padding ="08"; + } + else /* print_width == 64 */ + { + padding = "016"; + } + + const char * length = "l"; + if (print_width == 64) + { +#if BFD_HOST_64BIT_LONG + ; +#elif BFD_HOST_64BIT_LONG_LONG +#ifndef __MSVCRT__ + length = "ll"; +#else + length = "I64"; +#endif +#endif + } + + const char * radix = NULL; + switch (print_radix) + { + case 8: radix = "o"; break; + case 10: radix = "d"; break; + case 16: radix = "x"; break; + } + + return concat ("%", padding, length, radix, NULL); +} + +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; + } + free ((char *) print_format_string); + print_format_string = get_print_format (); +} + +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; + if (arfile == last_arfile) + return; + } + 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) { - if (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); - } + list_matching_formats (matching); + free (matching); } + retval = FALSE; } - putchar ('\n'); + 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, @@ -1311,28 +1405,29 @@ print_symbol (abfd, sym, archive_bfd) /* Print the name of an object file given on the command line. */ static void -print_object_filename_bsd (filename) - char *filename; +print_object_filename_bsd (const char *filename) { if (filename_per_file && !filename_per_symbol) printf ("\n%s:\n", filename); } static void -print_object_filename_sysv (filename) - char *filename; +print_object_filename_sysv (const char *filename) { if (undefined_only) printf (_("\n\nUndefined symbols from %s:\n\n"), filename); else printf (_("\n\nSymbols from %s:\n\n"), filename); - printf (_("\ -Name Value Class Type Size Line Section\n\n")); + 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 (filename) - char *filename; +print_object_filename_posix (const char *filename) { if (filename_per_file && !filename_per_symbol) printf ("%s:\n", filename); @@ -1341,53 +1436,49 @@ print_object_filename_posix (filename) /* Print the name of an archive file given on the command line. */ static void -print_archive_filename_bsd (filename) - char *filename; +print_archive_filename_bsd (const char *filename) { if (filename_per_file) printf ("\n%s:\n", filename); } static void -print_archive_filename_sysv (filename) - char *filename ATTRIBUTE_UNUSED; +print_archive_filename_sysv (const char *filename ATTRIBUTE_UNUSED) { } static void -print_archive_filename_posix (filename) - char *filename ATTRIBUTE_UNUSED; +print_archive_filename_posix (const char *filename ATTRIBUTE_UNUSED) { } /* Print the name of an archive member file. */ static void -print_archive_member_bsd (archive, filename) - char *archive ATTRIBUTE_UNUSED; - CONST char *filename; +print_archive_member_bsd (const char *archive ATTRIBUTE_UNUSED, + const char *filename) { if (!filename_per_symbol) printf ("\n%s:\n", filename); } static void -print_archive_member_sysv (archive, filename) - char *archive; - CONST char *filename; +print_archive_member_sysv (const 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); - printf (_("\ -Name Value Class Type Size Line Section\n\n")); + 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 (archive, filename) - char *archive; - CONST char *filename; +print_archive_member_posix (const char *archive, const char *filename) { if (!filename_per_symbol) printf ("%s[%s]:\n", archive, filename); @@ -1397,8 +1488,7 @@ print_archive_member_posix (archive, filename) containing a symbol. */ static void -print_symbol_filename_bsd (archive_bfd, abfd) - bfd *archive_bfd, *abfd; +print_symbol_filename_bsd (bfd *archive_bfd, bfd *abfd) { if (filename_per_symbol) { @@ -1409,8 +1499,7 @@ print_symbol_filename_bsd (archive_bfd, abfd) } static void -print_symbol_filename_sysv (archive_bfd, abfd) - bfd *archive_bfd, *abfd; +print_symbol_filename_sysv (bfd *archive_bfd, bfd *abfd) { if (filename_per_symbol) { @@ -1421,8 +1510,7 @@ print_symbol_filename_sysv (archive_bfd, abfd) } static void -print_symbol_filename_posix (archive_bfd, abfd) - bfd *archive_bfd, *abfd; +print_symbol_filename_posix (bfd *archive_bfd, bfd *abfd) { if (filename_per_symbol) { @@ -1437,165 +1525,342 @@ print_symbol_filename_posix (archive_bfd, abfd) /* Print a symbol value. */ static void -print_value (val) - bfd_vma val; +print_value (bfd *abfd ATTRIBUTE_UNUSED, bfd_vma val) { -#if ! defined (BFD64) || BFD_HOST_64BIT_LONG - printf (value_format, val); -#else - /* We have a 64 bit value to print, but the host is only 32 bit. */ - if (print_radix == 16) - fprintf_vma (stdout, val); - else + switch (print_width) { - char buf[30]; - char *s; + case 32: + printf (print_format_string, (unsigned long) val); + break; - s = buf + sizeof buf; - *--s = '\0'; - while (val > 0) + case 64: +#if BFD_HOST_64BIT_LONG || BFD_HOST_64BIT_LONG_LONG + printf (print_format_string, 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 { - *--s = (val % print_radix) + '0'; - val /= print_radix; + 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); } - 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 (info, abfd) - symbol_info *info; - bfd *abfd; +print_symbol_info_bsd (struct extended_symbol_info *info, bfd *abfd) { - if (bfd_is_undefined_symclass (info->type)) + if (bfd_is_undefined_symclass (SYM_TYPE (info))) { -#ifdef BFD64 - printf ("%*s", 16, ""); -#else - printf ("%*s", 8, ""); -#endif + if (print_width == 64) + printf (" "); + printf (" "); } else - print_value (info->value); - printf (" %c", info->type); - if (info->type == '-') + { + /* 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, info->stab_other); + printf (other_format, SYM_STAB_OTHER (info)); printf (" "); - printf (desc_format, info->stab_desc); - printf (" %5s", info->stab_name); + printf (desc_format, SYM_STAB_DESC (info)); + printf (" %5s", SYM_STAB_NAME (info)); } - print_symname (" %s", info->name, abfd); + print_symname (" %s", SYM_NAME (info), abfd); } static void -print_symbol_info_sysv (info, abfd) - symbol_info *info; - bfd *abfd; +print_symbol_info_sysv (struct extended_symbol_info *info, bfd *abfd) { - print_symname ("%-20s|", info->name, abfd); /* Name */ - if (bfd_is_undefined_symclass (info->type)) - printf (" "); /* Value */ + 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 (info->value); - printf ("| %c |", info->type); /* Class */ - if (info->type == '-') + print_value (abfd, SYM_VALUE (info)); + + printf ("| %c |", SYM_TYPE (info)); + + if (SYM_TYPE (info) == '-') { /* A stab. */ - printf ("%18s| ", info->stab_name); /* (C) Type */ - printf (desc_format, info->stab_desc); /* Size */ - printf ("| |"); /* Line, Section */ + printf ("%18s| ", SYM_STAB_NAME (info)); /* (C) Type. */ + printf (desc_format, SYM_STAB_DESC (info)); /* Size. */ + printf ("| |"); /* Line, Section. */ } else - printf (" | | |"); /* Type, Size, Line, Section */ + { + /* Type, Size, Line, Section */ + if (info->elfinfo) + printf ("%18s|", + get_elf_symbol_type (ELF_ST_TYPE (info->elfinfo->internal_elf_sym.st_info))); + else if (info->coffinfo) + printf ("%18s|", + get_coff_symbol_type (&info->coffinfo->native->u.syment)); + 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 if (info->coffinfo) + printf("| |%s", info->coffinfo->symbol.section->name); + else + printf("| |"); + } } static void -print_symbol_info_posix (info, abfd) - symbol_info *info; - bfd *abfd; +print_symbol_info_posix (struct extended_symbol_info *info, bfd *abfd) { - print_symname ("%s ", info->name, abfd); - printf ("%c ", info->type); - if (bfd_is_undefined_symclass (info->type)) + print_symname ("%s ", SYM_NAME (info), abfd); + printf ("%c ", SYM_TYPE (info)); + + if (bfd_is_undefined_symclass (SYM_TYPE (info))) printf (" "); else - print_value (info->value); - /* POSIX.2 wants the symbol size printed here, when applicable; - BFD currently doesn't provide it, so we take the easy way out by - considering it to never be applicable. */ + { + print_value (abfd, SYM_VALUE (info)); + printf (" "); + if (SYM_SIZE (info)) + print_value (abfd, SYM_SIZE (info)); + } } -static void -print_symdef_entry (abfd) - bfd *abfd; +int +main (int argc, char **argv) { - symindex idx = BFD_NO_MORE_SYMBOLS; - carsym *thesym; - boolean everprinted = false; + int c; + int retval; - for (idx = bfd_get_next_mapent (abfd, idx, &thesym); - idx != BFD_NO_MORE_SYMBOLS; - idx = bfd_get_next_mapent (abfd, idx, &thesym)) +#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); + bfd_set_error_program_name (program_name); +#if BFD_SUPPORTS_PLUGINS + bfd_plugin_set_program_name (program_name); +#endif + + START_PROGRESS (program_name, 0); + + expandargv (&argc, &argv); + + if (bfd_init () != BFD_INIT_MAGIC) + fatal (_("fatal error: libbfd ABI mismatch")); + set_default_bfd_target (); + + while ((c = getopt_long (argc, argv, "aABCDef:gHhlnopPrSst:uvVvX:", + long_options, (int *) 0)) != EOF) { - 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) + switch (c) { - print_symname ("%s", thesym->name, abfd); - printf (" in %s\n", bfd_get_filename (elt)); + 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 OPTION_RECURSE_LIMIT: + demangle_flags &= ~ DMGL_NO_RECURSE_LIMIT; + break; + case OPTION_NO_RECURSE_LIMIT: + demangle_flags |= DMGL_NO_RECURSE_LIMIT; + 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 + 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); } } -} - -/* This function is used to get the relocs for a particular section. - It is called via bfd_map_over_sections. */ - -static void -get_relocs (abfd, sec, dataarg) - bfd *abfd; - asection *sec; - PTR dataarg; -{ - struct get_relocs_info *data = (struct get_relocs_info *) dataarg; - *data->secs = sec; + if (show_version) + print_version ("nm"); - if ((sec->flags & SEC_RELOC) == 0) + if (sort_by_size && undefined_only) { - *data->relocs = NULL; - *data->relcount = 0; + 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; } - else - { - long relsize; - relsize = bfd_get_reloc_upper_bound (abfd, sec); - if (relsize < 0) - bfd_fatal (bfd_get_filename (abfd)); + /* OK, all options now parsed. If no filename specified, do a.out. */ + if (optind == argc) + return !display_file ("a.out"); - *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)); + 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++; } - ++data->secs; - ++data->relocs; - ++data->relcount; + END_PROGRESS (program_name); + + exit (retval); + return retval; }