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);