1 /* addr2line.c -- convert addresses to line number and function name
2 Copyright 1997, 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
3 Contributed by Ulrich Lauther <Ulrich.Lauther@mchp.siemens.de>
5 This file is part of GNU Binutils.
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2, or (at your option)
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
21 /* Derived from objdump.c and nm.c by Ulrich.Lauther@mchp.siemens.de
24 addr2line [options] addr addr ...
28 both forms write results to stdout, the second form reads addresses
29 to be converted from stdin. */
35 #include "libiberty.h"
40 static boolean with_functions; /* -f, show function names. */
41 static boolean do_demangle; /* -C, demangle names. */
42 static 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 {"target", required_argument, NULL, 'b'},
56 {"help", no_argument, NULL, 'H'},
57 {"version", no_argument, NULL, 'V'},
58 {0, no_argument, 0, 0}
61 static void usage PARAMS ((FILE *, int));
62 static void slurp_symtab PARAMS ((bfd *));
63 static void find_address_in_section PARAMS ((bfd *, asection *, PTR));
64 static void translate_addresses PARAMS ((bfd *));
65 static void process_file PARAMS ((const char *, const char *));
67 /* Print a usage message to STREAM and exit with STATUS. */
70 usage (stream, 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 -b --target=<bfdname> Set the binary file format\n\
79 -e --exe=<executable> Set the input file name (default is a.out)\n\
80 -s --basenames Strip directory names\n\
81 -f --functions Show function names\n\
82 -C --demangle[=style] Demangle function names\n\
83 -h --help Display this information\n\
84 -v --version Display the program's version\n\
87 list_supported_targets (program_name, stream);
89 fprintf (stream, _("Report bugs to %s\n"), REPORT_BUGS_TO);
93 /* Read in the symbol table. */
102 if ((bfd_get_file_flags (abfd) & HAS_SYMS) == 0)
105 storage = bfd_get_symtab_upper_bound (abfd);
107 bfd_fatal (bfd_get_filename (abfd));
109 syms = (asymbol **) xmalloc (storage);
111 symcount = bfd_canonicalize_symtab (abfd, syms);
113 bfd_fatal (bfd_get_filename (abfd));
116 /* These global variables are used to pass information between
117 translate_addresses and find_address_in_section. */
120 static const char *filename;
121 static const char *functionname;
122 static unsigned int line;
123 static boolean found;
125 /* Look for an address in a section. This is called via
126 bfd_map_over_sections. */
129 find_address_in_section (abfd, section, data)
132 PTR 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_before_reloc (section);
148 if (pc >= vma + size)
151 found = bfd_find_nearest_line (abfd, section, syms, pc - vma,
152 &filename, &functionname, &line);
155 /* Read hexadecimal addresses from stdin, translate into
156 file_name:line_number and optionally function name. */
159 translate_addresses (abfd)
162 int read_stdin = (naddr == 0);
170 if (fgets (addr_hex, sizeof addr_hex, stdin) == NULL)
172 pc = bfd_scan_vma (addr_hex, NULL, 16);
179 pc = bfd_scan_vma (*addr++, NULL, 16);
183 bfd_map_over_sections (abfd, find_address_in_section, (PTR) NULL);
199 if (name == NULL || *name == '\0')
201 else if (do_demangle)
203 alloc = demangle (abfd, name);
207 printf ("%s\n", name);
213 if (base_names && filename != NULL)
217 h = strrchr (filename, '/');
222 printf ("%s:%u\n", filename ? filename : "??", line);
225 /* fflush() is essential for using this command as a server
226 child process that reads addresses from a pipe and responds
227 with line number information, processing one address at a
233 /* Process a file. */
236 process_file (file_name, target)
237 const char *file_name;
243 abfd = bfd_openr (file_name, target);
245 bfd_fatal (file_name);
247 if (bfd_check_format (abfd, bfd_archive))
248 fatal (_("%s: can not get addresses from archive"), file_name);
250 if (! bfd_check_format_matches (abfd, bfd_object, &matching))
252 bfd_nonfatal (bfd_get_filename (abfd));
253 if (bfd_get_error () == bfd_error_file_ambiguously_recognized)
255 list_matching_formats (matching);
263 translate_addresses (abfd);
274 int main PARAMS ((int, char **));
281 const char *file_name;
285 #if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES)
286 setlocale (LC_MESSAGES, "");
288 #if defined (HAVE_SETLOCALE)
289 setlocale (LC_CTYPE, "");
291 bindtextdomain (PACKAGE, LOCALEDIR);
292 textdomain (PACKAGE);
294 program_name = *argv;
295 xmalloc_set_program_name (program_name);
298 set_default_bfd_target ();
302 while ((c = getopt_long (argc, argv, "b:Ce:sfHhVv", long_options, (int *) 0))
308 break; /* We've been given a long option. */
316 enum demangling_styles style;
318 style = cplus_demangle_name_to_style (optarg);
319 if (style == unknown_demangling)
320 fatal (_("unknown demangling style `%s'"),
323 cplus_demangle_set_style (style);
333 with_functions = true;
337 print_version ("addr2line");
349 if (file_name == NULL)
352 addr = argv + optind;
353 naddr = argc - optind;
355 process_file (file_name, target);