1 /* addr2line.c -- convert addresses to line number and function name
2 Copyright 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
3 2007, 2009 Free Software Foundation, Inc.
4 Contributed by Ulrich Lauther <Ulrich.Lauther@mchp.siemens.de>
6 This file is part of GNU Binutils.
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 3, or (at your option)
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, 51 Franklin Street - Fifth Floor, Boston,
21 MA 02110-1301, USA. */
24 /* Derived from objdump.c and nm.c by Ulrich.Lauther@mchp.siemens.de
27 addr2line [options] addr addr ...
31 both forms write results to stdout, the second form reads addresses
32 to be converted from stdin. */
37 #include "libiberty.h"
41 static bfd_boolean unwind_inlines
; /* -i, unwind inlined functions. */
42 static bfd_boolean with_functions
; /* -f, show function names. */
43 static bfd_boolean do_demangle
; /* -C, demangle names. */
44 static bfd_boolean base_names
; /* -s, strip directory names. */
46 static int naddr
; /* Number of addresses to process. */
47 static char **addr
; /* Hex addresses to process. */
49 static asymbol
**syms
; /* Symbol table. */
51 static struct option long_options
[] =
53 {"basenames", no_argument
, NULL
, 's'},
54 {"demangle", optional_argument
, NULL
, 'C'},
55 {"exe", required_argument
, NULL
, 'e'},
56 {"functions", no_argument
, NULL
, 'f'},
57 {"inlines", no_argument
, NULL
, 'i'},
58 {"section", required_argument
, NULL
, 'j'},
59 {"target", required_argument
, NULL
, 'b'},
60 {"help", no_argument
, NULL
, 'H'},
61 {"version", no_argument
, NULL
, 'V'},
62 {0, no_argument
, 0, 0}
65 static void usage (FILE *, int);
66 static void slurp_symtab (bfd
*);
67 static void find_address_in_section (bfd
*, asection
*, void *);
68 static void find_offset_in_section (bfd
*, asection
*);
69 static void translate_addresses (bfd
*, asection
*);
71 /* Print a usage message to STREAM and exit with STATUS. */
74 usage (FILE *stream
, int status
)
76 fprintf (stream
, _("Usage: %s [option(s)] [addr(s)]\n"), program_name
);
77 fprintf (stream
, _(" Convert addresses into line number/file name pairs.\n"));
78 fprintf (stream
, _(" If no addresses are specified on the command line, they will be read from stdin\n"));
79 fprintf (stream
, _(" The options are:\n\
80 @<file> Read options from <file>\n\
81 -b --target=<bfdname> Set the binary file format\n\
82 -e --exe=<executable> Set the input file name (default is a.out)\n\
83 -i --inlines Unwind inlined functions\n\
84 -j --section=<name> Read section-relative offsets instead of addresses\n\
85 -s --basenames Strip directory names\n\
86 -f --functions Show function names\n\
87 -C --demangle[=style] Demangle function names\n\
88 -h --help Display this information\n\
89 -v --version Display the program's version\n\
92 list_supported_targets (program_name
, stream
);
93 if (REPORT_BUGS_TO
[0] && status
== 0)
94 fprintf (stream
, _("Report bugs to %s\n"), REPORT_BUGS_TO
);
98 /* Read in the symbol table. */
101 slurp_symtab (bfd
*abfd
)
105 bfd_boolean dynamic
= FALSE
;
107 if ((bfd_get_file_flags (abfd
) & HAS_SYMS
) == 0)
110 storage
= bfd_get_symtab_upper_bound (abfd
);
113 storage
= bfd_get_dynamic_symtab_upper_bound (abfd
);
117 bfd_fatal (bfd_get_filename (abfd
));
119 syms
= (asymbol
**) xmalloc (storage
);
121 symcount
= bfd_canonicalize_dynamic_symtab (abfd
, syms
);
123 symcount
= bfd_canonicalize_symtab (abfd
, syms
);
125 bfd_fatal (bfd_get_filename (abfd
));
128 /* These global variables are used to pass information between
129 translate_addresses and find_address_in_section. */
132 static const char *filename
;
133 static const char *functionname
;
134 static unsigned int line
;
135 static bfd_boolean found
;
137 /* Look for an address in a section. This is called via
138 bfd_map_over_sections. */
141 find_address_in_section (bfd
*abfd
, asection
*section
,
142 void *data ATTRIBUTE_UNUSED
)
150 if ((bfd_get_section_flags (abfd
, section
) & SEC_ALLOC
) == 0)
153 vma
= bfd_get_section_vma (abfd
, section
);
157 size
= bfd_get_section_size (section
);
158 if (pc
>= vma
+ size
)
161 found
= bfd_find_nearest_line (abfd
, section
, syms
, pc
- vma
,
162 &filename
, &functionname
, &line
);
165 /* Look for an offset in a section. This is directly called. */
168 find_offset_in_section (bfd
*abfd
, asection
*section
)
175 if ((bfd_get_section_flags (abfd
, section
) & SEC_ALLOC
) == 0)
178 size
= bfd_get_section_size (section
);
182 found
= bfd_find_nearest_line (abfd
, section
, syms
, pc
,
183 &filename
, &functionname
, &line
);
186 /* Read hexadecimal addresses from stdin, translate into
187 file_name:line_number and optionally function name. */
190 translate_addresses (bfd
*abfd
, asection
*section
)
192 int read_stdin
= (naddr
== 0);
200 if (fgets (addr_hex
, sizeof addr_hex
, stdin
) == NULL
)
202 pc
= bfd_scan_vma (addr_hex
, NULL
, 16);
209 pc
= bfd_scan_vma (*addr
++, NULL
, 16);
214 find_offset_in_section (abfd
, section
);
216 bfd_map_over_sections (abfd
, find_address_in_section
, NULL
);
233 if (name
== NULL
|| *name
== '\0')
235 else if (do_demangle
)
237 alloc
= bfd_demangle (abfd
, name
, DMGL_ANSI
| DMGL_PARAMS
);
242 printf ("%s\n", name
);
248 if (base_names
&& filename
!= NULL
)
252 h
= strrchr (filename
, '/');
257 printf ("%s:%u\n", filename
? filename
: "??", line
);
261 found
= bfd_find_inliner_info (abfd
, &filename
, &functionname
, &line
);
266 /* fflush() is essential for using this command as a server
267 child process that reads addresses from a pipe and responds
268 with line number information, processing one address at a
274 /* Process a file. Returns an exit value for main(). */
277 process_file (const char *file_name
, const char *section_name
,
284 if (get_file_size (file_name
) < 1)
287 abfd
= bfd_openr (file_name
, target
);
289 bfd_fatal (file_name
);
291 if (bfd_check_format (abfd
, bfd_archive
))
292 fatal (_("%s: cannot get addresses from archive"), file_name
);
294 if (! bfd_check_format_matches (abfd
, bfd_object
, &matching
))
296 bfd_nonfatal (bfd_get_filename (abfd
));
297 if (bfd_get_error () == bfd_error_file_ambiguously_recognized
)
299 list_matching_formats (matching
);
305 if (section_name
!= NULL
)
307 section
= bfd_get_section_by_name (abfd
, section_name
);
309 fatal (_("%s: cannot find section %s"), file_name
, section_name
);
316 translate_addresses (abfd
, section
);
330 main (int argc
, char **argv
)
332 const char *file_name
;
333 const char *section_name
;
337 #if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES)
338 setlocale (LC_MESSAGES
, "");
340 #if defined (HAVE_SETLOCALE)
341 setlocale (LC_CTYPE
, "");
343 bindtextdomain (PACKAGE
, LOCALEDIR
);
344 textdomain (PACKAGE
);
346 program_name
= *argv
;
347 xmalloc_set_program_name (program_name
);
349 expandargv (&argc
, &argv
);
352 set_default_bfd_target ();
357 while ((c
= getopt_long (argc
, argv
, "b:Ce:sfHhij:Vv", long_options
, (int *) 0))
363 break; /* We've been given a long option. */
371 enum demangling_styles style
;
373 style
= cplus_demangle_name_to_style (optarg
);
374 if (style
== unknown_demangling
)
375 fatal (_("unknown demangling style `%s'"),
378 cplus_demangle_set_style (style
);
388 with_functions
= TRUE
;
392 print_version ("addr2line");
399 unwind_inlines
= TRUE
;
402 section_name
= optarg
;
410 if (file_name
== NULL
)
413 addr
= argv
+ optind
;
414 naddr
= argc
- optind
;
416 return process_file (file_name
, section_name
, target
);