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 void *minisyms = &syms;
107 if ((bfd_get_file_flags (abfd) & HAS_SYMS) == 0)
110 symcount = bfd_read_minisymbols (abfd, FALSE, &minisyms, &size);
112 symcount = bfd_read_minisymbols (abfd, TRUE /* dynamic */, &minisyms, &size);
115 bfd_fatal (bfd_get_filename (abfd));
118 /* These global variables are used to pass information between
119 translate_addresses and find_address_in_section. */
122 static const char *filename;
123 static const char *functionname;
124 static unsigned int line;
125 static bfd_boolean found;
127 /* Look for an address in a section. This is called via
128 bfd_map_over_sections. */
131 find_address_in_section (bfd *abfd, asection *section,
132 void *data ATTRIBUTE_UNUSED)
140 if ((bfd_get_section_flags (abfd, section) & SEC_ALLOC) == 0)
143 vma = bfd_get_section_vma (abfd, section);
147 size = bfd_get_section_size (section);
148 if (pc >= vma + size)
151 found = bfd_find_nearest_line (abfd, section, syms, pc - vma,
152 &filename, &functionname, &line);
155 /* Look for an offset in a section. This is directly called. */
158 find_offset_in_section (bfd *abfd, asection *section)
165 if ((bfd_get_section_flags (abfd, section) & SEC_ALLOC) == 0)
168 size = bfd_get_section_size (section);
172 found = bfd_find_nearest_line (abfd, section, syms, pc,
173 &filename, &functionname, &line);
176 /* Read hexadecimal addresses from stdin, translate into
177 file_name:line_number and optionally function name. */
180 translate_addresses (bfd *abfd, asection *section)
182 int read_stdin = (naddr == 0);
190 if (fgets (addr_hex, sizeof addr_hex, stdin) == NULL)
192 pc = bfd_scan_vma (addr_hex, NULL, 16);
199 pc = bfd_scan_vma (*addr++, NULL, 16);
204 find_offset_in_section (abfd, section);
206 bfd_map_over_sections (abfd, find_address_in_section, NULL);
223 if (name == NULL || *name == '\0')
225 else if (do_demangle)
227 alloc = bfd_demangle (abfd, name, DMGL_ANSI | DMGL_PARAMS);
232 printf ("%s\n", name);
238 if (base_names && filename != NULL)
242 h = strrchr (filename, '/');
247 printf ("%s:%u\n", filename ? filename : "??", line);
251 found = bfd_find_inliner_info (abfd, &filename, &functionname, &line);
256 /* fflush() is essential for using this command as a server
257 child process that reads addresses from a pipe and responds
258 with line number information, processing one address at a
264 /* Process a file. Returns an exit value for main(). */
267 process_file (const char *file_name, const char *section_name,
274 if (get_file_size (file_name) < 1)
277 abfd = bfd_openr (file_name, target);
279 bfd_fatal (file_name);
281 if (bfd_check_format (abfd, bfd_archive))
282 fatal (_("%s: cannot get addresses from archive"), file_name);
284 if (! bfd_check_format_matches (abfd, bfd_object, &matching))
286 bfd_nonfatal (bfd_get_filename (abfd));
287 if (bfd_get_error () == bfd_error_file_ambiguously_recognized)
289 list_matching_formats (matching);
295 if (section_name != NULL)
297 section = bfd_get_section_by_name (abfd, section_name);
299 fatal (_("%s: cannot find section %s"), file_name, section_name);
306 translate_addresses (abfd, section);
320 main (int argc, char **argv)
322 const char *file_name;
323 const char *section_name;
327 #if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES)
328 setlocale (LC_MESSAGES, "");
330 #if defined (HAVE_SETLOCALE)
331 setlocale (LC_CTYPE, "");
333 bindtextdomain (PACKAGE, LOCALEDIR);
334 textdomain (PACKAGE);
336 program_name = *argv;
337 xmalloc_set_program_name (program_name);
339 expandargv (&argc, &argv);
342 set_default_bfd_target ();
347 while ((c = getopt_long (argc, argv, "b:Ce:sfHhij:Vv", long_options, (int *) 0))
353 break; /* We've been given a long option. */
361 enum demangling_styles style;
363 style = cplus_demangle_name_to_style (optarg);
364 if (style == unknown_demangling)
365 fatal (_("unknown demangling style `%s'"),
368 cplus_demangle_set_style (style);
378 with_functions = TRUE;
382 print_version ("addr2line");
389 unwind_inlines = TRUE;
392 section_name = optarg;
400 if (file_name == NULL)
403 addr = argv + optind;
404 naddr = argc - optind;
406 return process_file (file_name, section_name, target);