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);