1 /* addr2line.c -- convert addresses to line number and function name
2 Copyright 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2006, 2007
3 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 2, 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, MA 02110-1301, USA. */
22 /* Derived from objdump.c and nm.c by Ulrich.Lauther@mchp.siemens.de
25 addr2line [options] addr addr ...
29 both forms write results to stdout, the second form reads addresses
30 to be converted from stdin. */
35 #include "libiberty.h"
39 static bfd_boolean unwind_inlines
; /* -i, unwind inlined functions. */
40 static bfd_boolean with_functions
; /* -f, show function names. */
41 static bfd_boolean do_demangle
; /* -C, demangle names. */
42 static bfd_boolean base_names
; /* -s, strip directory names. */
44 static int naddr
; /* Number of addresses to process. */
45 static char **addr
; /* Hex addresses to process. */
47 static asymbol
**syms
; /* Symbol table. */
49 static struct option long_options
[] =
51 {"basenames", no_argument
, NULL
, 's'},
52 {"demangle", optional_argument
, NULL
, 'C'},
53 {"exe", required_argument
, NULL
, 'e'},
54 {"functions", no_argument
, NULL
, 'f'},
55 {"inlines", no_argument
, NULL
, 'i'},
56 {"section", required_argument
, NULL
, 'j'},
57 {"target", required_argument
, NULL
, 'b'},
58 {"help", no_argument
, NULL
, 'H'},
59 {"version", no_argument
, NULL
, 'V'},
60 {0, no_argument
, 0, 0}
63 static void usage (FILE *, int);
64 static void slurp_symtab (bfd
*);
65 static void find_address_in_section (bfd
*, asection
*, void *);
66 static void find_offset_in_section (bfd
*, asection
*);
67 static void translate_addresses (bfd
*, asection
*);
69 /* Print a usage message to STREAM and exit with STATUS. */
72 usage (FILE *stream
, int status
)
74 fprintf (stream
, _("Usage: %s [option(s)] [addr(s)]\n"), program_name
);
75 fprintf (stream
, _(" Convert addresses into line number/file name pairs.\n"));
76 fprintf (stream
, _(" If no addresses are specified on the command line, they will be read from stdin\n"));
77 fprintf (stream
, _(" The options are:\n\
78 @<file> Read options from <file>\n\
79 -b --target=<bfdname> Set the binary file format\n\
80 -e --exe=<executable> Set the input file name (default is a.out)\n\
81 -i --inlines Unwind inlined functions\n\
82 -j --section=<name> Read section-relative offsets instead of addresses\n\
83 -s --basenames Strip directory names\n\
84 -f --functions Show function names\n\
85 -C --demangle[=style] Demangle function names\n\
86 -h --help Display this information\n\
87 -v --version Display the program's version\n\
90 list_supported_targets (program_name
, stream
);
91 if (REPORT_BUGS_TO
[0] && status
== 0)
92 fprintf (stream
, _("Report bugs to %s\n"), REPORT_BUGS_TO
);
96 /* Read in the symbol table. */
99 slurp_symtab (bfd
*abfd
)
104 if ((bfd_get_file_flags (abfd
) & HAS_SYMS
) == 0)
107 symcount
= bfd_read_minisymbols (abfd
, FALSE
, (void *) &syms
, &size
);
109 symcount
= bfd_read_minisymbols (abfd
, TRUE
/* dynamic */, (void *) &syms
, &size
);
112 bfd_fatal (bfd_get_filename (abfd
));
115 /* These global variables are used to pass information between
116 translate_addresses and find_address_in_section. */
119 static const char *filename
;
120 static const char *functionname
;
121 static unsigned int line
;
122 static bfd_boolean found
;
124 /* Look for an address in a section. This is called via
125 bfd_map_over_sections. */
128 find_address_in_section (bfd
*abfd
, asection
*section
,
129 void *data ATTRIBUTE_UNUSED
)
137 if ((bfd_get_section_flags (abfd
, section
) & SEC_ALLOC
) == 0)
140 vma
= bfd_get_section_vma (abfd
, section
);
144 size
= bfd_get_section_size (section
);
145 if (pc
>= vma
+ size
)
148 found
= bfd_find_nearest_line (abfd
, section
, syms
, pc
- vma
,
149 &filename
, &functionname
, &line
);
152 /* Look for an offset in a section. This is directly called. */
155 find_offset_in_section (bfd
*abfd
, asection
*section
)
162 if ((bfd_get_section_flags (abfd
, section
) & SEC_ALLOC
) == 0)
165 size
= bfd_get_section_size (section
);
169 found
= bfd_find_nearest_line (abfd
, section
, syms
, pc
,
170 &filename
, &functionname
, &line
);
173 /* Read hexadecimal addresses from stdin, translate into
174 file_name:line_number and optionally function name. */
177 translate_addresses (bfd
*abfd
, asection
*section
)
179 int read_stdin
= (naddr
== 0);
187 if (fgets (addr_hex
, sizeof addr_hex
, stdin
) == NULL
)
189 pc
= bfd_scan_vma (addr_hex
, NULL
, 16);
196 pc
= bfd_scan_vma (*addr
++, NULL
, 16);
201 find_offset_in_section (abfd
, section
);
203 bfd_map_over_sections (abfd
, find_address_in_section
, NULL
);
220 if (name
== NULL
|| *name
== '\0')
222 else if (do_demangle
)
224 alloc
= bfd_demangle (abfd
, name
, DMGL_ANSI
| DMGL_PARAMS
);
229 printf ("%s\n", name
);
235 if (base_names
&& filename
!= NULL
)
239 h
= strrchr (filename
, '/');
244 printf ("%s:%u\n", filename
? filename
: "??", line
);
248 found
= bfd_find_inliner_info (abfd
, &filename
, &functionname
, &line
);
253 /* fflush() is essential for using this command as a server
254 child process that reads addresses from a pipe and responds
255 with line number information, processing one address at a
261 /* Process a file. Returns an exit value for main(). */
264 process_file (const char *file_name
, const char *section_name
,
271 if (get_file_size (file_name
) < 1)
274 abfd
= bfd_openr (file_name
, target
);
276 bfd_fatal (file_name
);
278 if (bfd_check_format (abfd
, bfd_archive
))
279 fatal (_("%s: cannot get addresses from archive"), file_name
);
281 if (! bfd_check_format_matches (abfd
, bfd_object
, &matching
))
283 bfd_nonfatal (bfd_get_filename (abfd
));
284 if (bfd_get_error () == bfd_error_file_ambiguously_recognized
)
286 list_matching_formats (matching
);
292 if (section_name
!= NULL
)
294 section
= bfd_get_section_by_name (abfd
, section_name
);
296 fatal (_("%s: cannot find section %s"), file_name
, section_name
);
303 translate_addresses (abfd
, section
);
317 main (int argc
, char **argv
)
319 const char *file_name
;
320 const char *section_name
;
324 #if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES)
325 setlocale (LC_MESSAGES
, "");
327 #if defined (HAVE_SETLOCALE)
328 setlocale (LC_CTYPE
, "");
330 bindtextdomain (PACKAGE
, LOCALEDIR
);
331 textdomain (PACKAGE
);
333 program_name
= *argv
;
334 xmalloc_set_program_name (program_name
);
336 expandargv (&argc
, &argv
);
339 set_default_bfd_target ();
344 while ((c
= getopt_long (argc
, argv
, "b:Ce:sfHhij:Vv", long_options
, (int *) 0))
350 break; /* We've been given a long option. */
358 enum demangling_styles style
;
360 style
= cplus_demangle_name_to_style (optarg
);
361 if (style
== unknown_demangling
)
362 fatal (_("unknown demangling style `%s'"),
365 cplus_demangle_set_style (style
);
375 with_functions
= TRUE
;
379 print_version ("addr2line");
386 unwind_inlines
= TRUE
;
389 section_name
= optarg
;
397 if (file_name
== NULL
)
400 addr
= argv
+ optind
;
401 naddr
= argc
- optind
;
403 return process_file (file_name
, section_name
, target
);