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_addresses
; /* -a, show addresses. */
43 static bfd_boolean with_functions
; /* -f, show function names. */
44 static bfd_boolean do_demangle
; /* -C, demangle names. */
45 static bfd_boolean base_names
; /* -s, strip directory names. */
47 static int naddr
; /* Number of addresses to process. */
48 static char **addr
; /* Hex addresses to process. */
50 static asymbol
**syms
; /* Symbol table. */
52 static struct option long_options
[] =
54 {"addresses", no_argument
, NULL
, 'a'},
55 {"basenames", no_argument
, NULL
, 's'},
56 {"demangle", optional_argument
, NULL
, 'C'},
57 {"exe", required_argument
, NULL
, 'e'},
58 {"functions", no_argument
, NULL
, 'f'},
59 {"inlines", no_argument
, NULL
, 'i'},
60 {"section", required_argument
, NULL
, 'j'},
61 {"target", required_argument
, NULL
, 'b'},
62 {"help", no_argument
, NULL
, 'H'},
63 {"version", no_argument
, NULL
, 'V'},
64 {0, no_argument
, 0, 0}
67 static void usage (FILE *, int);
68 static void slurp_symtab (bfd
*);
69 static void find_address_in_section (bfd
*, asection
*, void *);
70 static void find_offset_in_section (bfd
*, asection
*);
71 static void translate_addresses (bfd
*, asection
*);
73 /* Print a usage message to STREAM and exit with STATUS. */
76 usage (FILE *stream
, int status
)
78 fprintf (stream
, _("Usage: %s [option(s)] [addr(s)]\n"), program_name
);
79 fprintf (stream
, _(" Convert addresses into line number/file name pairs.\n"));
80 fprintf (stream
, _(" If no addresses are specified on the command line, they will be read from stdin\n"));
81 fprintf (stream
, _(" The options are:\n\
82 @<file> Read options from <file>\n\
83 -a --addresses Show addresses\n\
84 -b --target=<bfdname> Set the binary file format\n\
85 -e --exe=<executable> Set the input file name (default is a.out)\n\
86 -i --inlines Unwind inlined functions\n\
87 -j --section=<name> Read section-relative offsets instead of addresses\n\
88 -s --basenames Strip directory names\n\
89 -f --functions Show function names\n\
90 -C --demangle[=style] Demangle function names\n\
91 -h --help Display this information\n\
92 -v --version Display the program's version\n\
95 list_supported_targets (program_name
, stream
);
96 if (REPORT_BUGS_TO
[0] && status
== 0)
97 fprintf (stream
, _("Report bugs to %s\n"), REPORT_BUGS_TO
);
101 /* Read in the symbol table. */
104 slurp_symtab (bfd
*abfd
)
108 bfd_boolean dynamic
= FALSE
;
110 if ((bfd_get_file_flags (abfd
) & HAS_SYMS
) == 0)
113 storage
= bfd_get_symtab_upper_bound (abfd
);
116 storage
= bfd_get_dynamic_symtab_upper_bound (abfd
);
120 bfd_fatal (bfd_get_filename (abfd
));
122 syms
= (asymbol
**) xmalloc (storage
);
124 symcount
= bfd_canonicalize_dynamic_symtab (abfd
, syms
);
126 symcount
= bfd_canonicalize_symtab (abfd
, syms
);
128 bfd_fatal (bfd_get_filename (abfd
));
131 /* These global variables are used to pass information between
132 translate_addresses and find_address_in_section. */
135 static const char *filename
;
136 static const char *functionname
;
137 static unsigned int line
;
138 static bfd_boolean found
;
140 /* Look for an address in a section. This is called via
141 bfd_map_over_sections. */
144 find_address_in_section (bfd
*abfd
, asection
*section
,
145 void *data ATTRIBUTE_UNUSED
)
153 if ((bfd_get_section_flags (abfd
, section
) & SEC_ALLOC
) == 0)
156 vma
= bfd_get_section_vma (abfd
, section
);
160 size
= bfd_get_section_size (section
);
161 if (pc
>= vma
+ size
)
164 found
= bfd_find_nearest_line (abfd
, section
, syms
, pc
- vma
,
165 &filename
, &functionname
, &line
);
168 /* Look for an offset in a section. This is directly called. */
171 find_offset_in_section (bfd
*abfd
, asection
*section
)
178 if ((bfd_get_section_flags (abfd
, section
) & SEC_ALLOC
) == 0)
181 size
= bfd_get_section_size (section
);
185 found
= bfd_find_nearest_line (abfd
, section
, syms
, pc
,
186 &filename
, &functionname
, &line
);
189 /* Read hexadecimal addresses from stdin, translate into
190 file_name:line_number and optionally function name. */
193 translate_addresses (bfd
*abfd
, asection
*section
)
195 int read_stdin
= (naddr
== 0);
203 if (fgets (addr_hex
, sizeof addr_hex
, stdin
) == NULL
)
205 pc
= bfd_scan_vma (addr_hex
, NULL
, 16);
212 pc
= bfd_scan_vma (*addr
++, NULL
, 16);
218 bfd_printf_vma (abfd
, pc
);
224 find_offset_in_section (abfd
, section
);
226 bfd_map_over_sections (abfd
, find_address_in_section
, NULL
);
243 if (name
== NULL
|| *name
== '\0')
245 else if (do_demangle
)
247 alloc
= bfd_demangle (abfd
, name
, DMGL_ANSI
| DMGL_PARAMS
);
252 printf ("%s\n", name
);
258 if (base_names
&& filename
!= NULL
)
262 h
= strrchr (filename
, '/');
267 printf ("%s:%u\n", filename
? filename
: "??", line
);
271 found
= bfd_find_inliner_info (abfd
, &filename
, &functionname
, &line
);
276 /* fflush() is essential for using this command as a server
277 child process that reads addresses from a pipe and responds
278 with line number information, processing one address at a
284 /* Process a file. Returns an exit value for main(). */
287 process_file (const char *file_name
, const char *section_name
,
294 if (get_file_size (file_name
) < 1)
297 abfd
= bfd_openr (file_name
, target
);
299 bfd_fatal (file_name
);
301 if (bfd_check_format (abfd
, bfd_archive
))
302 fatal (_("%s: cannot get addresses from archive"), file_name
);
304 if (! bfd_check_format_matches (abfd
, bfd_object
, &matching
))
306 bfd_nonfatal (bfd_get_filename (abfd
));
307 if (bfd_get_error () == bfd_error_file_ambiguously_recognized
)
309 list_matching_formats (matching
);
315 if (section_name
!= NULL
)
317 section
= bfd_get_section_by_name (abfd
, section_name
);
319 fatal (_("%s: cannot find section %s"), file_name
, section_name
);
326 translate_addresses (abfd
, section
);
340 main (int argc
, char **argv
)
342 const char *file_name
;
343 const char *section_name
;
347 #if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES)
348 setlocale (LC_MESSAGES
, "");
350 #if defined (HAVE_SETLOCALE)
351 setlocale (LC_CTYPE
, "");
353 bindtextdomain (PACKAGE
, LOCALEDIR
);
354 textdomain (PACKAGE
);
356 program_name
= *argv
;
357 xmalloc_set_program_name (program_name
);
359 expandargv (&argc
, &argv
);
362 set_default_bfd_target ();
367 while ((c
= getopt_long (argc
, argv
, "ab:Ce:sfHhij:Vv", long_options
, (int *) 0))
373 break; /* We've been given a long option. */
375 with_addresses
= TRUE
;
384 enum demangling_styles style
;
386 style
= cplus_demangle_name_to_style (optarg
);
387 if (style
== unknown_demangling
)
388 fatal (_("unknown demangling style `%s'"),
391 cplus_demangle_set_style (style
);
401 with_functions
= TRUE
;
405 print_version ("addr2line");
412 unwind_inlines
= TRUE
;
415 section_name
= optarg
;
423 if (file_name
== NULL
)
426 addr
= argv
+ optind
;
427 naddr
= argc
- optind
;
429 return process_file (file_name
, section_name
, target
);