mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-12-03 04:12:10 +08:00
4047915b1b
* addr2line.c (main): Add const to char *.
347 lines
7.7 KiB
C
347 lines
7.7 KiB
C
/* addr2line.c -- convert addresses to line number and function name
|
||
Copyright 1997, 98, 99, 2000 Free Software Foundation, Inc.
|
||
Contributed by Ulrich Lauther <Ulrich.Lauther@zfe.siemens.de>
|
||
|
||
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, or (at your option)
|
||
any later version.
|
||
|
||
This program is distributed in the hope that it will be useful,
|
||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
GNU General Public License for more details.
|
||
|
||
You should have received a copy of the GNU General Public License
|
||
along with this program; if not, write to the Free Software
|
||
Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
|
||
|
||
/* Derived from objdump.c and nm.c by Ulrich.Lauther@zfe.siemens.de
|
||
|
||
Usage:
|
||
addr2line [options] addr addr ...
|
||
or
|
||
addr2line [options]
|
||
|
||
both forms write results to stdout, the second form reads addresses
|
||
to be converted from stdin. */
|
||
|
||
#include <ctype.h>
|
||
#include <string.h>
|
||
|
||
#include "bfd.h"
|
||
#include "getopt.h"
|
||
#include "libiberty.h"
|
||
#include "demangle.h"
|
||
#include "bucomm.h"
|
||
|
||
extern char *program_version;
|
||
|
||
static boolean with_functions; /* -f, show function names. */
|
||
static boolean do_demangle; /* -C, demangle names. */
|
||
static boolean base_names; /* -s, strip directory names. */
|
||
|
||
static int naddr; /* Number of addresses to process. */
|
||
static char **addr; /* Hex addresses to process. */
|
||
|
||
static asymbol **syms; /* Symbol table. */
|
||
|
||
static struct option long_options[] =
|
||
{
|
||
{"basenames", no_argument, NULL, 's'},
|
||
{"demangle", optional_argument, NULL, 'C'},
|
||
{"exe", required_argument, NULL, 'e'},
|
||
{"functions", no_argument, NULL, 'f'},
|
||
{"target", required_argument, NULL, 'b'},
|
||
{"help", no_argument, NULL, 'H'},
|
||
{"version", no_argument, NULL, 'V'},
|
||
{0, no_argument, 0, 0}
|
||
};
|
||
|
||
static void usage PARAMS ((FILE *, int));
|
||
static void slurp_symtab PARAMS ((bfd *));
|
||
static void find_address_in_section PARAMS ((bfd *, asection *, PTR));
|
||
static void translate_addresses PARAMS ((bfd *));
|
||
static void process_file PARAMS ((const char *, const char *));
|
||
|
||
/* Print a usage message to STREAM and exit with STATUS. */
|
||
|
||
static void
|
||
usage (stream, status)
|
||
FILE *stream;
|
||
int status;
|
||
{
|
||
fprintf (stream, _("\
|
||
Usage: %s [-CfsHV] [-b bfdname] [--target=bfdname]\n\
|
||
[-e executable] [--exe=executable] [--demangle[=style]]\n\
|
||
[--basenames] [--functions] [addr addr ...]\n"),
|
||
program_name);
|
||
list_supported_targets (program_name, stream);
|
||
if (status == 0)
|
||
fprintf (stream, _("Report bugs to %s\n"), REPORT_BUGS_TO);
|
||
exit (status);
|
||
}
|
||
|
||
/* Read in the symbol table. */
|
||
|
||
static void
|
||
slurp_symtab (abfd)
|
||
bfd *abfd;
|
||
{
|
||
long storage;
|
||
long symcount;
|
||
|
||
if ((bfd_get_file_flags (abfd) & HAS_SYMS) == 0)
|
||
return;
|
||
|
||
storage = bfd_get_symtab_upper_bound (abfd);
|
||
if (storage < 0)
|
||
bfd_fatal (bfd_get_filename (abfd));
|
||
|
||
syms = (asymbol **) xmalloc (storage);
|
||
|
||
symcount = bfd_canonicalize_symtab (abfd, syms);
|
||
if (symcount < 0)
|
||
bfd_fatal (bfd_get_filename (abfd));
|
||
}
|
||
|
||
/* These global variables are used to pass information between
|
||
translate_addresses and find_address_in_section. */
|
||
|
||
static bfd_vma pc;
|
||
static const char *filename;
|
||
static const char *functionname;
|
||
static unsigned int line;
|
||
static boolean found;
|
||
|
||
/* Look for an address in a section. This is called via
|
||
bfd_map_over_sections. */
|
||
|
||
static void
|
||
find_address_in_section (abfd, section, data)
|
||
bfd *abfd;
|
||
asection *section;
|
||
PTR data ATTRIBUTE_UNUSED;
|
||
{
|
||
bfd_vma vma;
|
||
bfd_size_type size;
|
||
|
||
if (found)
|
||
return;
|
||
|
||
if ((bfd_get_section_flags (abfd, section) & SEC_ALLOC) == 0)
|
||
return;
|
||
|
||
vma = bfd_get_section_vma (abfd, section);
|
||
if (pc < vma)
|
||
return;
|
||
|
||
size = bfd_get_section_size_before_reloc (section);
|
||
if (pc >= vma + size)
|
||
return;
|
||
|
||
found = bfd_find_nearest_line (abfd, section, syms, pc - vma,
|
||
&filename, &functionname, &line);
|
||
}
|
||
|
||
/* Read hexadecimal addresses from stdin, translate into
|
||
file_name:line_number and optionally function name. */
|
||
|
||
static void
|
||
translate_addresses (abfd)
|
||
bfd *abfd;
|
||
{
|
||
int read_stdin = (naddr == 0);
|
||
|
||
for (;;)
|
||
{
|
||
if (read_stdin)
|
||
{
|
||
char addr_hex[100];
|
||
|
||
if (fgets (addr_hex, sizeof addr_hex, stdin) == NULL)
|
||
break;
|
||
pc = bfd_scan_vma (addr_hex, NULL, 16);
|
||
}
|
||
else
|
||
{
|
||
if (naddr <= 0)
|
||
break;
|
||
--naddr;
|
||
pc = bfd_scan_vma (*addr++, NULL, 16);
|
||
}
|
||
|
||
found = false;
|
||
bfd_map_over_sections (abfd, find_address_in_section, (PTR) NULL);
|
||
|
||
if (! found)
|
||
{
|
||
if (with_functions)
|
||
printf ("??\n");
|
||
printf ("??:0\n");
|
||
}
|
||
else
|
||
{
|
||
if (with_functions)
|
||
{
|
||
if (functionname == NULL || *functionname == '\0')
|
||
printf ("??\n");
|
||
else if (! do_demangle)
|
||
printf ("%s\n", functionname);
|
||
else
|
||
{
|
||
char *res;
|
||
|
||
res = cplus_demangle (functionname, DMGL_ANSI | DMGL_PARAMS);
|
||
if (res == NULL)
|
||
printf ("%s\n", functionname);
|
||
else
|
||
{
|
||
printf ("%s\n", res);
|
||
free (res);
|
||
}
|
||
}
|
||
}
|
||
|
||
if (base_names && filename != NULL)
|
||
{
|
||
char *h;
|
||
|
||
h = strrchr (filename, '/');
|
||
if (h != NULL)
|
||
filename = h + 1;
|
||
}
|
||
|
||
printf ("%s:%u\n", filename ? filename : "??", line);
|
||
}
|
||
|
||
/* fflush() is essential for using this command as a server
|
||
child process that reads addresses from a pipe and responds
|
||
with line number information, processing one address at a
|
||
time. */
|
||
fflush (stdout);
|
||
}
|
||
}
|
||
|
||
/* Process a file. */
|
||
|
||
static void
|
||
process_file (filename, target)
|
||
const char *filename;
|
||
const char *target;
|
||
{
|
||
bfd *abfd;
|
||
char **matching;
|
||
|
||
abfd = bfd_openr (filename, target);
|
||
if (abfd == NULL)
|
||
bfd_fatal (filename);
|
||
|
||
if (bfd_check_format (abfd, bfd_archive))
|
||
fatal (_("%s: can not get addresses from archive"), filename);
|
||
|
||
if (! bfd_check_format_matches (abfd, bfd_object, &matching))
|
||
{
|
||
bfd_nonfatal (bfd_get_filename (abfd));
|
||
if (bfd_get_error () == bfd_error_file_ambiguously_recognized)
|
||
{
|
||
list_matching_formats (matching);
|
||
free (matching);
|
||
}
|
||
xexit (1);
|
||
}
|
||
|
||
slurp_symtab (abfd);
|
||
|
||
translate_addresses (abfd);
|
||
|
||
if (syms != NULL)
|
||
{
|
||
free (syms);
|
||
syms = NULL;
|
||
}
|
||
|
||
bfd_close (abfd);
|
||
}
|
||
|
||
int
|
||
main (argc, argv)
|
||
int argc;
|
||
char **argv;
|
||
{
|
||
const char *filename;
|
||
char *target;
|
||
int c;
|
||
|
||
#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);
|
||
|
||
bfd_init ();
|
||
set_default_bfd_target ();
|
||
|
||
filename = NULL;
|
||
target = NULL;
|
||
while ((c = getopt_long (argc, argv, "b:Ce:sfHV", long_options, (int *) 0))
|
||
!= EOF)
|
||
{
|
||
switch (c)
|
||
{
|
||
case 0:
|
||
break; /* we've been given a long option */
|
||
case 'b':
|
||
target = optarg;
|
||
break;
|
||
case 'C':
|
||
do_demangle = true;
|
||
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 'e':
|
||
filename = optarg;
|
||
break;
|
||
case 's':
|
||
base_names = true;
|
||
break;
|
||
case 'f':
|
||
with_functions = true;
|
||
break;
|
||
case 'V':
|
||
print_version ("addr2line");
|
||
break;
|
||
case 'H':
|
||
usage (stdout, 0);
|
||
break;
|
||
default:
|
||
usage (stderr, 1);
|
||
break;
|
||
}
|
||
}
|
||
|
||
if (filename == NULL)
|
||
filename = "a.out";
|
||
|
||
addr = argv + optind;
|
||
naddr = argc - optind;
|
||
|
||
process_file (filename, target);
|
||
|
||
return 0;
|
||
}
|