/* addr2line.c -- convert addresses to line number and function name
- Copyright 1997, 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
+ Copyright (C) 1997-2019 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, or (at your option)
+ the Free Software Foundation; either version 3, or (at your option)
any later version.
This program is distributed in the hope that it will be useful,
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. */
+ Foundation, 51 Franklin Street - Fifth Floor, Boston,
+ MA 02110-1301, USA. */
+
- Usage:
+ Usage:
addr2line [options] addr addr ...
or
- addr2line [options]
+ addr2line [options]
both forms write results to stdout, the second form reads addresses
to be converted from stdin. */
-#include <string.h>
-
+#include "sysdep.h"
#include "bfd.h"
#include "getopt.h"
#include "libiberty.h"
#include "demangle.h"
#include "bucomm.h"
+#include "elf-bfd.h"
+
+static bfd_boolean unwind_inlines; /* -i, unwind inlined functions. */
+static bfd_boolean with_addresses; /* -a, show addresses. */
+static bfd_boolean with_functions; /* -f, show function names. */
+static bfd_boolean do_demangle; /* -C, demangle names. */
+static bfd_boolean pretty_print; /* -p, print on one line. */
+static bfd_boolean base_names; /* -s, strip directory names. */
-static boolean with_functions; /* -f, show function names. */
-static boolean do_demangle; /* -C, demangle names. */
-static boolean base_names; /* -s, strip directory names. */
+/* Flags passed to the name demangler. */
+static int demangle_flags = DMGL_PARAMS | DMGL_ANSI;
static int naddr; /* Number of addresses to process. */
static char **addr; /* Hex addresses to process. */
static struct option long_options[] =
{
+ {"addresses", no_argument, NULL, 'a'},
{"basenames", no_argument, NULL, 's'},
{"demangle", optional_argument, NULL, 'C'},
{"exe", required_argument, NULL, 'e'},
{"functions", no_argument, NULL, 'f'},
+ {"inlines", no_argument, NULL, 'i'},
+ {"pretty-print", no_argument, NULL, 'p'},
+ {"recurse-limit", no_argument, NULL, 'R'},
+ {"recursion-limit", no_argument, NULL, 'R'},
+ {"no-recurse-limit", no_argument, NULL, 'r'},
+ {"no-recursion-limit", no_argument, NULL, 'r'},
+ {"section", required_argument, NULL, 'j'},
{"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 *));
+static void usage (FILE *, int);
+static void slurp_symtab (bfd *);
+static void find_address_in_section (bfd *, asection *, void *);
+static void find_offset_in_section (bfd *, asection *);
+static void translate_addresses (bfd *, asection *);
\f
/* Print a usage message to STREAM and exit with STATUS. */
static void
-usage (stream, status)
- FILE *stream;
- int status;
+usage (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);
+ fprintf (stream, _("Usage: %s [option(s)] [addr(s)]\n"), program_name);
+ fprintf (stream, _(" Convert addresses into line number/file name pairs.\n"));
+ fprintf (stream, _(" If no addresses are specified on the command line, they will be read from stdin\n"));
+ fprintf (stream, _(" The options are:\n\
+ @<file> Read options from <file>\n\
+ -a --addresses Show addresses\n\
+ -b --target=<bfdname> Set the binary file format\n\
+ -e --exe=<executable> Set the input file name (default is a.out)\n\
+ -i --inlines Unwind inlined functions\n\
+ -j --section=<name> Read section-relative offsets instead of addresses\n\
+ -p --pretty-print Make the output easier to read for humans\n\
+ -s --basenames Strip directory names\n\
+ -f --functions Show function names\n\
+ -C --demangle[=style] Demangle function names\n\
+ -R --recurse-limit Enable a limit on recursion whilst demangling. [Default]\n\
+ -r --no-recurse-limit Disable a limit on recursion whilst demangling\n\
+ -h --help Display this information\n\
+ -v --version Display the program's version\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);
}
/* Read in the symbol table. */
static void
-slurp_symtab (abfd)
- bfd *abfd;
+slurp_symtab (bfd *abfd)
{
long storage;
long symcount;
+ bfd_boolean dynamic = FALSE;
if ((bfd_get_file_flags (abfd) & HAS_SYMS) == 0)
return;
storage = bfd_get_symtab_upper_bound (abfd);
+ if (storage == 0)
+ {
+ storage = bfd_get_dynamic_symtab_upper_bound (abfd);
+ dynamic = TRUE;
+ }
if (storage < 0)
bfd_fatal (bfd_get_filename (abfd));
syms = (asymbol **) xmalloc (storage);
-
- symcount = bfd_canonicalize_symtab (abfd, syms);
+ if (dynamic)
+ symcount = bfd_canonicalize_dynamic_symtab (abfd, syms);
+ else
+ symcount = bfd_canonicalize_symtab (abfd, syms);
if (symcount < 0)
bfd_fatal (bfd_get_filename (abfd));
+
+ /* If there are no symbols left after canonicalization and
+ we have not tried the dynamic symbols then give them a go. */
+ if (symcount == 0
+ && ! dynamic
+ && (storage = bfd_get_dynamic_symtab_upper_bound (abfd)) > 0)
+ {
+ free (syms);
+ syms = xmalloc (storage);
+ symcount = bfd_canonicalize_dynamic_symtab (abfd, syms);
+ }
+
+ /* PR 17512: file: 2a1d3b5b.
+ Do not pretend that we have some symbols when we don't. */
+ if (symcount <= 0)
+ {
+ free (syms);
+ syms = NULL;
+ }
}
\f
/* These global variables are used to pass information between
static const char *filename;
static const char *functionname;
static unsigned int line;
-static boolean found;
+static unsigned int discriminator;
+static bfd_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;
+find_address_in_section (bfd *abfd, asection *section,
+ void *data ATTRIBUTE_UNUSED)
{
bfd_vma vma;
bfd_size_type size;
if (found)
return;
- if ((bfd_get_section_flags (abfd, section) & SEC_ALLOC) == 0)
+ if ((bfd_section_flags (section) & SEC_ALLOC) == 0)
return;
- vma = bfd_get_section_vma (abfd, section);
+ vma = bfd_section_vma (section);
if (pc < vma)
return;
- size = bfd_get_section_size_before_reloc (section);
+ size = bfd_section_size (section);
if (pc >= vma + size)
return;
- found = bfd_find_nearest_line (abfd, section, syms, pc - vma,
- &filename, &functionname, &line);
+ found = bfd_find_nearest_line_discriminator (abfd, section, syms, pc - vma,
+ &filename, &functionname,
+ &line, &discriminator);
+}
+
+/* Look for an offset in a section. This is directly called. */
+
+static void
+find_offset_in_section (bfd *abfd, asection *section)
+{
+ bfd_size_type size;
+
+ if (found)
+ return;
+
+ if ((bfd_section_flags (section) & SEC_ALLOC) == 0)
+ return;
+
+ size = bfd_section_size (section);
+ if (pc >= size)
+ return;
+
+ found = bfd_find_nearest_line_discriminator (abfd, section, syms, pc,
+ &filename, &functionname,
+ &line, &discriminator);
}
/* Read hexadecimal addresses from stdin, translate into
file_name:line_number and optionally function name. */
static void
-translate_addresses (abfd)
- bfd *abfd;
+translate_addresses (bfd *abfd, asection *section)
{
int read_stdin = (naddr == 0);
pc = bfd_scan_vma (*addr++, NULL, 16);
}
- found = false;
- bfd_map_over_sections (abfd, find_address_in_section, (PTR) NULL);
+ if (bfd_get_flavour (abfd) == bfd_target_elf_flavour)
+ {
+ const struct elf_backend_data *bed = get_elf_backend_data (abfd);
+ bfd_vma sign = (bfd_vma) 1 << (bed->s->arch_size - 1);
+
+ pc &= (sign << 1) - 1;
+ if (bed->sign_extend_vma)
+ pc = (pc ^ sign) - sign;
+ }
+
+ if (with_addresses)
+ {
+ printf ("0x");
+ bfd_printf_vma (abfd, pc);
+
+ if (pretty_print)
+ printf (": ");
+ else
+ printf ("\n");
+ }
+
+ found = FALSE;
+ if (section)
+ find_offset_in_section (abfd, section);
+ else
+ bfd_map_over_sections (abfd, find_address_in_section, NULL);
if (! found)
{
if (with_functions)
- printf ("??\n");
+ {
+ if (pretty_print)
+ printf ("?? ");
+ else
+ printf ("??\n");
+ }
printf ("??:0\n");
}
else
{
- if (with_functions)
- {
- if (functionname == NULL || *functionname == '\0')
- printf ("??\n");
- else if (! do_demangle)
- printf ("%s\n", functionname);
+ while (1)
+ {
+ if (with_functions)
+ {
+ const char *name;
+ char *alloc = NULL;
+
+ name = functionname;
+ if (name == NULL || *name == '\0')
+ name = "??";
+ else if (do_demangle)
+ {
+ alloc = bfd_demangle (abfd, name, demangle_flags);
+ if (alloc != NULL)
+ name = alloc;
+ }
+
+ printf ("%s", name);
+ if (pretty_print)
+ /* Note for translators: This printf is used to join the
+ function name just printed above to the line number/
+ file name pair that is about to be printed below. Eg:
+
+ foo at 123:bar.c */
+ printf (_(" at "));
+ else
+ printf ("\n");
+
+ if (alloc != NULL)
+ free (alloc);
+ }
+
+ if (base_names && filename != NULL)
+ {
+ char *h;
+
+ h = strrchr (filename, '/');
+ if (h != NULL)
+ filename = h + 1;
+ }
+
+ printf ("%s:", filename ? filename : "??");
+ if (line != 0)
+ {
+ if (discriminator != 0)
+ printf ("%u (discriminator %u)\n", line, discriminator);
+ else
+ printf ("%u\n", line);
+ }
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);
+ printf ("?\n");
+ if (!unwind_inlines)
+ found = FALSE;
+ else
+ found = bfd_find_inliner_info (abfd, &filename, &functionname,
+ &line);
+ if (! found)
+ break;
+ if (pretty_print)
+ /* Note for translators: This printf is used to join the
+ line number/file name pair that has just been printed with
+ the line number/file name pair that is going to be printed
+ by the next iteration of the while loop. Eg:
+
+ 123:bar.c (inlined by) 456:main.c */
+ printf (_(" (inlined by) "));
+ }
}
/* fflush() is essential for using this command as a server
}
}
-/* Process a file. */
+/* Process a file. Returns an exit value for main(). */
-static void
-process_file (filename, target)
- const char *filename;
- const char *target;
+static int
+process_file (const char *file_name, const char *section_name,
+ const char *target)
{
bfd *abfd;
+ asection *section;
char **matching;
- abfd = bfd_openr (filename, target);
+ if (get_file_size (file_name) < 1)
+ return 1;
+
+ abfd = bfd_openr (file_name, target);
if (abfd == NULL)
- bfd_fatal (filename);
+ bfd_fatal (file_name);
+
+ /* Decompress sections. */
+ abfd->flags |= BFD_DECOMPRESS;
if (bfd_check_format (abfd, bfd_archive))
- fatal (_("%s: can not get addresses from archive"), filename);
+ fatal (_("%s: cannot get addresses from archive"), file_name);
if (! bfd_check_format_matches (abfd, bfd_object, &matching))
{
xexit (1);
}
+ if (section_name != NULL)
+ {
+ section = bfd_get_section_by_name (abfd, section_name);
+ if (section == NULL)
+ fatal (_("%s: cannot find section %s"), file_name, section_name);
+ }
+ else
+ section = NULL;
+
slurp_symtab (abfd);
- translate_addresses (abfd);
+ translate_addresses (abfd, section);
if (syms != NULL)
{
}
bfd_close (abfd);
+
+ return 0;
}
\f
-int main PARAMS ((int, char **));
-
int
-main (argc, argv)
- int argc;
- char **argv;
+main (int argc, char **argv)
{
- const char *filename;
+ const char *file_name;
+ const char *section_name;
char *target;
int c;
program_name = *argv;
xmalloc_set_program_name (program_name);
+ bfd_set_error_program_name (program_name);
+
+ expandargv (&argc, &argv);
- bfd_init ();
+ if (bfd_init () != BFD_INIT_MAGIC)
+ fatal (_("fatal error: libbfd ABI mismatch"));
set_default_bfd_target ();
- filename = NULL;
+ file_name = NULL;
+ section_name = NULL;
target = NULL;
- while ((c = getopt_long (argc, argv, "b:Ce:sfHV", long_options, (int *) 0))
+ while ((c = getopt_long (argc, argv, "ab:Ce:rRsfHhij:pVv", long_options, (int *) 0))
!= EOF)
{
switch (c)
{
case 0:
- break; /* we've been given a long option */
+ break; /* We've been given a long option. */
+ case 'a':
+ with_addresses = TRUE;
+ break;
case 'b':
target = optarg;
break;
case 'C':
- do_demangle = true;
+ do_demangle = TRUE;
if (optarg != NULL)
{
enum demangling_styles style;
-
+
style = cplus_demangle_name_to_style (optarg);
- if (style == unknown_demangling)
+ if (style == unknown_demangling)
fatal (_("unknown demangling style `%s'"),
optarg);
-
+
cplus_demangle_set_style (style);
- }
+ }
+ break;
+ case 'r':
+ demangle_flags |= DMGL_NO_RECURSE_LIMIT;
+ break;
+ case 'R':
+ demangle_flags &= ~ DMGL_NO_RECURSE_LIMIT;
break;
case 'e':
- filename = optarg;
+ file_name = optarg;
break;
case 's':
- base_names = true;
+ base_names = TRUE;
break;
case 'f':
- with_functions = true;
+ with_functions = TRUE;
break;
+ case 'p':
+ pretty_print = TRUE;
+ break;
+ case 'v':
case 'V':
print_version ("addr2line");
break;
+ case 'h':
case 'H':
usage (stdout, 0);
break;
+ case 'i':
+ unwind_inlines = TRUE;
+ break;
+ case 'j':
+ section_name = optarg;
+ break;
default:
usage (stderr, 1);
break;
}
}
- if (filename == NULL)
- filename = "a.out";
+ if (file_name == NULL)
+ file_name = "a.out";
addr = argv + optind;
naddr = argc - optind;
- process_file (filename, target);
-
- return 0;
+ return process_file (file_name, section_name, target);
}
projects / binutils.git / blobdiff