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);