1 /* addr2line.c -- convert addresses to line number and function name
2 Copyright 1997, 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
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. */
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"
39 static boolean with_functions; /* -f, show function names. */
40 static boolean do_demangle; /* -C, demangle names. */
41 static boolean base_names; /* -s, strip directory names. */
43 static int naddr; /* Number of addresses to process. */
44 static char **addr; /* Hex addresses to process. */
46 static asymbol **syms; /* Symbol table. */
48 static struct option long_options[] =
50 {"basenames", no_argument, NULL, 's'},
51 {"demangle", optional_argument, NULL, 'C'},
52 {"exe", required_argument, NULL, 'e'},
53 {"functions", no_argument, NULL, 'f'},
54 {"target", required_argument, NULL, 'b'},
55 {"help", no_argument, NULL, 'H'},
56 {"version", no_argument, NULL, 'V'},
57 {0, no_argument, 0, 0}
60 static void usage PARAMS ((FILE *, int));
61 static void slurp_symtab PARAMS ((bfd *));
62 static void find_address_in_section PARAMS ((bfd *, asection *, PTR));
63 static void translate_addresses PARAMS ((bfd *));
64 static void process_file PARAMS ((const char *, const char *));
66 /* Print a usage message to STREAM and exit with STATUS. */
69 usage (stream, status)
73 fprintf (stream, _("Usage: %s [option(s)] [addr(s)]\n"), program_name);
74 fprintf (stream, _(" Convert addresses into line number/file name pairs.\n"));
75 fprintf (stream, _(" If no addresses are specified on the command line, they will be read from stdin\n"));
76 fprintf (stream, _(" The options are:\n\
77 -b --target=<bfdname> Set the binary file format\n\
78 -e --exe=<executable> Set the input file name (default is a.out)\n\
79 -s --basenames Strip directory names\n\
80 -f --functions Show function names\n\
81 -C --demangle[=style] Demangle function names\n\
82 -h --help Display this information\n\
83 -v --version Display the program's version\n\
86 list_supported_targets (program_name, stream);
88 fprintf (stream, _("Report bugs to %s\n"), REPORT_BUGS_TO);
92 /* Read in the symbol table. */
101 if ((bfd_get_file_flags (abfd) & HAS_SYMS) == 0)
104 storage = bfd_get_symtab_upper_bound (abfd);
106 bfd_fatal (bfd_get_filename (abfd));
108 syms = (asymbol **) xmalloc (storage);
110 symcount = bfd_canonicalize_symtab (abfd, syms);
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 boolean found;
124 /* Look for an address in a section. This is called via
125 bfd_map_over_sections. */
128 find_address_in_section (abfd, section, data)
131 PTR data ATTRIBUTE_UNUSED;
139 if ((bfd_get_section_flags (abfd, section) & SEC_ALLOC) == 0)
142 vma = bfd_get_section_vma (abfd, section);
146 size = bfd_get_section_size_before_reloc (section);
147 if (pc >= vma + size)
150 found = bfd_find_nearest_line (abfd, section, syms, pc - vma,
151 &filename, &functionname, &line);
154 /* Read hexadecimal addresses from stdin, translate into
155 file_name:line_number and optionally function name. */
158 translate_addresses (abfd)
161 int read_stdin = (naddr == 0);
169 if (fgets (addr_hex, sizeof addr_hex, stdin) == NULL)
171 pc = bfd_scan_vma (addr_hex, NULL, 16);
178 pc = bfd_scan_vma (*addr++, NULL, 16);
182 bfd_map_over_sections (abfd, find_address_in_section, (PTR) NULL);
194 if (functionname == NULL || *functionname == '\0')
196 else if (! do_demangle)
197 printf ("%s\n", functionname);
202 res = cplus_demangle (functionname, DMGL_ANSI | DMGL_PARAMS);
204 printf ("%s\n", functionname);
207 printf ("%s\n", res);
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 (filename, target)
237 const char *filename;
243 abfd = bfd_openr (filename, target);
245 bfd_fatal (filename);
247 if (bfd_check_format (abfd, bfd_archive))
248 fatal (_("%s: can not get addresses from archive"), filename);
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 *filename;
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 (filename == NULL)
352 addr = argv + optind;
353 naddr = argc - optind;
355 process_file (filename, target);