1689 lines
43 KiB
C
1689 lines
43 KiB
C
/* nm.c -- Describe symbol table of a rel file.
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Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
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2001, 2002, 2003, 2004, 2005, 2007, 2008, 2009, 2010
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Free Software Foundation, Inc.
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This file is part of GNU Binutils.
|
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
|
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the Free Software Foundation; either version 3 of the License, or
|
||
(at your option) any later version.
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||
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
|
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
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02110-1301, USA. */
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#include "sysdep.h"
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#include "bfd.h"
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#include "progress.h"
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#include "getopt.h"
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#include "aout/stab_gnu.h"
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#include "aout/ranlib.h"
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#include "demangle.h"
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#include "libiberty.h"
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#include "elf-bfd.h"
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#include "elf/common.h"
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#include "bucomm.h"
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#include "plugin.h"
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/* When sorting by size, we use this structure to hold the size and a
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pointer to the minisymbol. */
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struct size_sym
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{
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const void *minisym;
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bfd_vma size;
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};
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/* When fetching relocs, we use this structure to pass information to
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get_relocs. */
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struct get_relocs_info
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{
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asection **secs;
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arelent ***relocs;
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long *relcount;
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asymbol **syms;
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};
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struct extended_symbol_info
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{
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symbol_info *sinfo;
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bfd_vma ssize;
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elf_symbol_type *elfinfo;
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/* FIXME: We should add more fields for Type, Line, Section. */
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};
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#define SYM_NAME(sym) (sym->sinfo->name)
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#define SYM_VALUE(sym) (sym->sinfo->value)
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#define SYM_TYPE(sym) (sym->sinfo->type)
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#define SYM_STAB_NAME(sym) (sym->sinfo->stab_name)
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#define SYM_STAB_DESC(sym) (sym->sinfo->stab_desc)
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#define SYM_STAB_OTHER(sym) (sym->sinfo->stab_other)
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#define SYM_SIZE(sym) \
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(sym->elfinfo ? sym->elfinfo->internal_elf_sym.st_size: sym->ssize)
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/* The output formatting functions. */
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static void print_object_filename_bsd (char *);
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static void print_object_filename_sysv (char *);
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static void print_object_filename_posix (char *);
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static void print_archive_filename_bsd (char *);
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static void print_archive_filename_sysv (char *);
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static void print_archive_filename_posix (char *);
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static void print_archive_member_bsd (char *, const char *);
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static void print_archive_member_sysv (char *, const char *);
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static void print_archive_member_posix (char *, const char *);
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static void print_symbol_filename_bsd (bfd *, bfd *);
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static void print_symbol_filename_sysv (bfd *, bfd *);
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static void print_symbol_filename_posix (bfd *, bfd *);
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static void print_value (bfd *, bfd_vma);
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static void print_symbol_info_bsd (struct extended_symbol_info *, bfd *);
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static void print_symbol_info_sysv (struct extended_symbol_info *, bfd *);
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static void print_symbol_info_posix (struct extended_symbol_info *, bfd *);
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/* Support for different output formats. */
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struct output_fns
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{
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/* Print the name of an object file given on the command line. */
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void (*print_object_filename) (char *);
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/* Print the name of an archive file given on the command line. */
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void (*print_archive_filename) (char *);
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/* Print the name of an archive member file. */
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void (*print_archive_member) (char *, const char *);
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/* Print the name of the file (and archive, if there is one)
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containing a symbol. */
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void (*print_symbol_filename) (bfd *, bfd *);
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/* Print a line of information about a symbol. */
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void (*print_symbol_info) (struct extended_symbol_info *, bfd *);
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};
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static struct output_fns formats[] =
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{
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{print_object_filename_bsd,
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print_archive_filename_bsd,
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print_archive_member_bsd,
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print_symbol_filename_bsd,
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print_symbol_info_bsd},
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{print_object_filename_sysv,
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print_archive_filename_sysv,
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print_archive_member_sysv,
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print_symbol_filename_sysv,
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print_symbol_info_sysv},
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{print_object_filename_posix,
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print_archive_filename_posix,
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print_archive_member_posix,
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print_symbol_filename_posix,
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print_symbol_info_posix}
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};
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/* Indices in `formats'. */
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#define FORMAT_BSD 0
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#define FORMAT_SYSV 1
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#define FORMAT_POSIX 2
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#define FORMAT_DEFAULT FORMAT_BSD
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/* The output format to use. */
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static struct output_fns *format = &formats[FORMAT_DEFAULT];
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/* Command options. */
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static int do_demangle = 0; /* Pretty print C++ symbol names. */
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static int external_only = 0; /* Print external symbols only. */
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static int defined_only = 0; /* Print defined symbols only. */
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static int no_sort = 0; /* Don't sort; print syms in order found. */
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static int print_debug_syms = 0;/* Print debugger-only symbols too. */
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static int print_armap = 0; /* Describe __.SYMDEF data in archive files. */
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static int print_size = 0; /* Print size of defined symbols. */
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static int reverse_sort = 0; /* Sort in downward(alpha or numeric) order. */
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static int sort_numerically = 0;/* Sort in numeric rather than alpha order. */
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static int sort_by_size = 0; /* Sort by size of symbol. */
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static int undefined_only = 0; /* Print undefined symbols only. */
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static int dynamic = 0; /* Print dynamic symbols. */
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static int show_version = 0; /* Show the version number. */
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static int show_stats = 0; /* Show statistics. */
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static int show_synthetic = 0; /* Display synthesized symbols too. */
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static int line_numbers = 0; /* Print line numbers for symbols. */
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static int allow_special_symbols = 0; /* Allow special symbols. */
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/* When to print the names of files. Not mutually exclusive in SYSV format. */
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static int filename_per_file = 0; /* Once per file, on its own line. */
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static int filename_per_symbol = 0; /* Once per symbol, at start of line. */
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/* Print formats for printing a symbol value. */
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static char value_format_32bit[] = "%08lx";
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#if BFD_HOST_64BIT_LONG
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static char value_format_64bit[] = "%016lx";
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#elif BFD_HOST_64BIT_LONG_LONG
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#ifndef __MSVCRT__
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static char value_format_64bit[] = "%016llx";
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#else
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static char value_format_64bit[] = "%016I64x";
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#endif
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#endif
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static int print_width = 0;
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static int print_radix = 16;
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/* Print formats for printing stab info. */
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static char other_format[] = "%02x";
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static char desc_format[] = "%04x";
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static char *target = NULL;
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static char *plugin_target = NULL;
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/* Used to cache the line numbers for a BFD. */
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static bfd *lineno_cache_bfd;
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static bfd *lineno_cache_rel_bfd;
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#define OPTION_TARGET 200
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#define OPTION_PLUGIN 201
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static struct option long_options[] =
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{
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{"debug-syms", no_argument, &print_debug_syms, 1},
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{"demangle", optional_argument, 0, 'C'},
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{"dynamic", no_argument, &dynamic, 1},
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{"extern-only", no_argument, &external_only, 1},
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{"format", required_argument, 0, 'f'},
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{"help", no_argument, 0, 'h'},
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{"line-numbers", no_argument, 0, 'l'},
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{"no-cplus", no_argument, &do_demangle, 0}, /* Linux compatibility. */
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{"no-demangle", no_argument, &do_demangle, 0},
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{"no-sort", no_argument, &no_sort, 1},
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{"numeric-sort", no_argument, &sort_numerically, 1},
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{"plugin", required_argument, 0, OPTION_PLUGIN},
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{"portability", no_argument, 0, 'P'},
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{"print-armap", no_argument, &print_armap, 1},
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{"print-file-name", no_argument, 0, 'o'},
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{"print-size", no_argument, 0, 'S'},
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{"radix", required_argument, 0, 't'},
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{"reverse-sort", no_argument, &reverse_sort, 1},
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{"size-sort", no_argument, &sort_by_size, 1},
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{"special-syms", no_argument, &allow_special_symbols, 1},
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{"stats", no_argument, &show_stats, 1},
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{"synthetic", no_argument, &show_synthetic, 1},
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{"target", required_argument, 0, OPTION_TARGET},
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{"defined-only", no_argument, &defined_only, 1},
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{"undefined-only", no_argument, &undefined_only, 1},
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{"version", no_argument, &show_version, 1},
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{0, no_argument, 0, 0}
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};
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/* Some error-reporting functions. */
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static void
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usage (FILE *stream, int status)
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{
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fprintf (stream, _("Usage: %s [option(s)] [file(s)]\n"), program_name);
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fprintf (stream, _(" List symbols in [file(s)] (a.out by default).\n"));
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fprintf (stream, _(" The options are:\n\
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-a, --debug-syms Display debugger-only symbols\n\
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-A, --print-file-name Print name of the input file before every symbol\n\
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-B Same as --format=bsd\n\
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-C, --demangle[=STYLE] Decode low-level symbol names into user-level names\n\
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The STYLE, if specified, can be `auto' (the default),\n\
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`gnu', `lucid', `arm', `hp', `edg', `gnu-v3', `java'\n\
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or `gnat'\n\
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--no-demangle Do not demangle low-level symbol names\n\
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-D, --dynamic Display dynamic symbols instead of normal symbols\n\
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--defined-only Display only defined symbols\n\
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-e (ignored)\n\
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-f, --format=FORMAT Use the output format FORMAT. FORMAT can be `bsd',\n\
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`sysv' or `posix'. The default is `bsd'\n\
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-g, --extern-only Display only external symbols\n\
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-l, --line-numbers Use debugging information to find a filename and\n\
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line number for each symbol\n\
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-n, --numeric-sort Sort symbols numerically by address\n\
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-o Same as -A\n\
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-p, --no-sort Do not sort the symbols\n\
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-P, --portability Same as --format=posix\n\
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-r, --reverse-sort Reverse the sense of the sort\n"));
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#if BFD_SUPPORTS_PLUGINS
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fprintf (stream, _("\
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--plugin NAME Load the specified plugin\n"));
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#endif
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fprintf (stream, _("\
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-S, --print-size Print size of defined symbols\n\
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-s, --print-armap Include index for symbols from archive members\n\
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--size-sort Sort symbols by size\n\
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--special-syms Include special symbols in the output\n\
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--synthetic Display synthetic symbols as well\n\
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-t, --radix=RADIX Use RADIX for printing symbol values\n\
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--target=BFDNAME Specify the target object format as BFDNAME\n\
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-u, --undefined-only Display only undefined symbols\n\
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-X 32_64 (ignored)\n\
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@FILE Read options from FILE\n\
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-h, --help Display this information\n\
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-V, --version Display this program's version number\n\
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\n"));
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list_supported_targets (program_name, stream);
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if (REPORT_BUGS_TO[0] && status == 0)
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fprintf (stream, _("Report bugs to %s.\n"), REPORT_BUGS_TO);
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exit (status);
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}
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/* Set the radix for the symbol value and size according to RADIX. */
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static void
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set_print_radix (char *radix)
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{
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switch (*radix)
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{
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case 'x':
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break;
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case 'd':
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case 'o':
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if (*radix == 'd')
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print_radix = 10;
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else
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print_radix = 8;
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value_format_32bit[4] = *radix;
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#if BFD_HOST_64BIT_LONG
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value_format_64bit[5] = *radix;
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#elif BFD_HOST_64BIT_LONG_LONG
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#ifndef __MSVCRT__
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value_format_64bit[6] = *radix;
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#else
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value_format_64bit[7] = *radix;
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#endif
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||
#endif
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other_format[3] = desc_format[3] = *radix;
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break;
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default:
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fatal (_("%s: invalid radix"), radix);
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}
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||
}
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||
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||
static void
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||
set_output_format (char *f)
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||
{
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||
int i;
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||
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switch (*f)
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||
{
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||
case 'b':
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||
case 'B':
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i = FORMAT_BSD;
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break;
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||
case 'p':
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case 'P':
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i = FORMAT_POSIX;
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break;
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case 's':
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||
case 'S':
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i = FORMAT_SYSV;
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break;
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default:
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fatal (_("%s: invalid output format"), f);
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}
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format = &formats[i];
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||
}
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||
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static const char *
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get_symbol_type (unsigned int type)
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{
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||
static char buff [32];
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||
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||
switch (type)
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||
{
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||
case STT_NOTYPE: return "NOTYPE";
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||
case STT_OBJECT: return "OBJECT";
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||
case STT_FUNC: return "FUNC";
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||
case STT_SECTION: return "SECTION";
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||
case STT_FILE: return "FILE";
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||
case STT_COMMON: return "COMMON";
|
||
case STT_TLS: return "TLS";
|
||
default:
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||
if (type >= STT_LOPROC && type <= STT_HIPROC)
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sprintf (buff, _("<processor specific>: %d"), type);
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else if (type >= STT_LOOS && type <= STT_HIOS)
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sprintf (buff, _("<OS specific>: %d"), type);
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||
else
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sprintf (buff, _("<unknown>: %d"), type);
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||
return buff;
|
||
}
|
||
}
|
||
|
||
/* Print symbol name NAME, read from ABFD, with printf format FORM,
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||
demangling it if requested. */
|
||
|
||
static void
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||
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);
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||
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)
|
||
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
|
||
&& 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;
|
||
bfd_vma ssize;
|
||
|
||
sym = bfd_minisymbol_to_symbol (abfd, is_dynamic, from->minisym, store);
|
||
if (sym == NULL)
|
||
bfd_fatal (bfd_get_filename (abfd));
|
||
|
||
/* For elf we have already computed the correct symbol size. */
|
||
if (bfd_get_flavour (abfd) == bfd_target_elf_flavour)
|
||
ssize = from->size;
|
||
else
|
||
ssize = from->size - bfd_section_vma (abfd, bfd_get_section (sym));
|
||
|
||
print_symbol (abfd, sym, ssize, 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)
|
||
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);
|
||
}
|
||
|
||
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 (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':
|
||
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 '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;
|
||
}
|