1 /* addr2line.c -- convert addresses to line number and function name
2 Copyright 1997, 1998, 1999, 2000 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. */
36 #include "libiberty.h"
40 extern char *program_version;
42 static boolean with_functions; /* -f, show function names. */
43 static boolean do_demangle; /* -C, demangle names. */
44 static 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 {"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 PARAMS ((FILE *, int));
64 static void slurp_symtab PARAMS ((bfd *));
65 static void find_address_in_section PARAMS ((bfd *, asection *, PTR));
66 static void translate_addresses PARAMS ((bfd *));
67 static void process_file PARAMS ((const char *, const char *));
69 /* Print a usage message to STREAM and exit with STATUS. */
72 usage (stream, status)
77 Usage: %s [-CfsHV] [-b bfdname] [--target=bfdname]\n\
78 [-e executable] [--exe=executable] [--demangle[=style]]\n\
79 [--basenames] [--functions] [addr addr ...]\n"),
81 list_supported_targets (program_name, stream);
83 fprintf (stream, _("Report bugs to %s\n"), REPORT_BUGS_TO);
87 /* Read in the symbol table. */
96 if ((bfd_get_file_flags (abfd) & HAS_SYMS) == 0)
99 storage = bfd_get_symtab_upper_bound (abfd);
101 bfd_fatal (bfd_get_filename (abfd));
103 syms = (asymbol **) xmalloc (storage);
105 symcount = bfd_canonicalize_symtab (abfd, syms);
107 bfd_fatal (bfd_get_filename (abfd));
110 /* These global variables are used to pass information between
111 translate_addresses and find_address_in_section. */
114 static const char *filename;
115 static const char *functionname;
116 static unsigned int line;
117 static boolean found;
119 /* Look for an address in a section. This is called via
120 bfd_map_over_sections. */
123 find_address_in_section (abfd, section, data)
126 PTR data ATTRIBUTE_UNUSED;
134 if ((bfd_get_section_flags (abfd, section) & SEC_ALLOC) == 0)
137 vma = bfd_get_section_vma (abfd, section);
141 size = bfd_get_section_size_before_reloc (section);
142 if (pc >= vma + size)
145 found = bfd_find_nearest_line (abfd, section, syms, pc - vma,
146 &filename, &functionname, &line);
149 /* Read hexadecimal addresses from stdin, translate into
150 file_name:line_number and optionally function name. */
153 translate_addresses (abfd)
156 int read_stdin = (naddr == 0);
164 if (fgets (addr_hex, sizeof addr_hex, stdin) == NULL)
166 pc = bfd_scan_vma (addr_hex, NULL, 16);
173 pc = bfd_scan_vma (*addr++, NULL, 16);
177 bfd_map_over_sections (abfd, find_address_in_section, (PTR) NULL);
189 if (functionname == NULL || *functionname == '\0')
191 else if (! do_demangle)
192 printf ("%s\n", functionname);
197 res = cplus_demangle (functionname, DMGL_ANSI | DMGL_PARAMS);
199 printf ("%s\n", functionname);
202 printf ("%s\n", res);
208 if (base_names && filename != NULL)
212 h = strrchr (filename, '/');
217 printf ("%s:%u\n", filename ? filename : "??", line);
220 /* fflush() is essential for using this command as a server
221 child process that reads addresses from a pipe and responds
222 with line number information, processing one address at a
228 /* Process a file. */
231 process_file (filename, target)
232 const char *filename;
238 abfd = bfd_openr (filename, target);
240 bfd_fatal (filename);
242 if (bfd_check_format (abfd, bfd_archive))
243 fatal (_("%s: can not get addresses from archive"), filename);
245 if (! bfd_check_format_matches (abfd, bfd_object, &matching))
247 bfd_nonfatal (bfd_get_filename (abfd));
248 if (bfd_get_error () == bfd_error_file_ambiguously_recognized)
250 list_matching_formats (matching);
258 translate_addresses (abfd);
274 const char *filename;
278 #if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES)
279 setlocale (LC_MESSAGES, "");
281 bindtextdomain (PACKAGE, LOCALEDIR);
282 textdomain (PACKAGE);
284 program_name = *argv;
285 xmalloc_set_program_name (program_name);
288 set_default_bfd_target ();
292 while ((c = getopt_long (argc, argv, "b:Ce:sfHV", long_options, (int *) 0))
298 break; /* we've been given a long option */
306 enum demangling_styles style;
308 style = cplus_demangle_name_to_style (optarg);
309 if (style == unknown_demangling)
310 fatal (_("unknown demangling style `%s'"),
313 cplus_demangle_set_style (style);
323 with_functions = true;
326 print_version ("addr2line");
337 if (filename == NULL)
340 addr = argv + optind;
341 naddr = argc - optind;
343 process_file (filename, target);