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Diffstat (limited to 'binutils-2.25/binutils/addr2line.c')
-rw-r--r--binutils-2.25/binutils/addr2line.c502
1 files changed, 502 insertions, 0 deletions
diff --git a/binutils-2.25/binutils/addr2line.c b/binutils-2.25/binutils/addr2line.c
new file mode 100644
index 00000000..0de73982
--- /dev/null
+++ b/binutils-2.25/binutils/addr2line.c
@@ -0,0 +1,502 @@
+/* addr2line.c -- convert addresses to line number and function name
+ Copyright 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
+ 2007, 2009 Free Software Foundation, Inc.
+ Contributed by Ulrich Lauther <Ulrich.Lauther@mchp.siemens.de>
+
+ This file is part of GNU Binutils.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3, or (at your option)
+ any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, 51 Franklin Street - Fifth Floor, Boston,
+ MA 02110-1301, USA. */
+
+
+/* Derived from objdump.c and nm.c by Ulrich.Lauther@mchp.siemens.de
+
+ Usage:
+ addr2line [options] addr addr ...
+ or
+ addr2line [options]
+
+ both forms write results to stdout, the second form reads addresses
+ to be converted from stdin. */
+
+#include "sysdep.h"
+#include "bfd.h"
+#include "getopt.h"
+#include "libiberty.h"
+#include "demangle.h"
+#include "bucomm.h"
+#include "elf-bfd.h"
+
+static bfd_boolean unwind_inlines; /* -i, unwind inlined functions. */
+static bfd_boolean with_addresses; /* -a, show addresses. */
+static bfd_boolean with_functions; /* -f, show function names. */
+static bfd_boolean do_demangle; /* -C, demangle names. */
+static bfd_boolean pretty_print; /* -p, print on one line. */
+static bfd_boolean base_names; /* -s, strip directory names. */
+
+static int naddr; /* Number of addresses to process. */
+static char **addr; /* Hex addresses to process. */
+
+static asymbol **syms; /* Symbol table. */
+
+static struct option long_options[] =
+{
+ {"addresses", no_argument, NULL, 'a'},
+ {"basenames", no_argument, NULL, 's'},
+ {"demangle", optional_argument, NULL, 'C'},
+ {"exe", required_argument, NULL, 'e'},
+ {"functions", no_argument, NULL, 'f'},
+ {"inlines", no_argument, NULL, 'i'},
+ {"pretty-print", no_argument, NULL, 'p'},
+ {"section", required_argument, NULL, 'j'},
+ {"target", required_argument, NULL, 'b'},
+ {"help", no_argument, NULL, 'H'},
+ {"version", no_argument, NULL, 'V'},
+ {0, no_argument, 0, 0}
+};
+
+static void usage (FILE *, int);
+static void slurp_symtab (bfd *);
+static void find_address_in_section (bfd *, asection *, void *);
+static void find_offset_in_section (bfd *, asection *);
+static void translate_addresses (bfd *, asection *);
+
+/* Print a usage message to STREAM and exit with STATUS. */
+
+static void
+usage (FILE *stream, int status)
+{
+ fprintf (stream, _("Usage: %s [option(s)] [addr(s)]\n"), program_name);
+ fprintf (stream, _(" Convert addresses into line number/file name pairs.\n"));
+ fprintf (stream, _(" If no addresses are specified on the command line, they will be read from stdin\n"));
+ fprintf (stream, _(" The options are:\n\
+ @<file> Read options from <file>\n\
+ -a --addresses Show addresses\n\
+ -b --target=<bfdname> Set the binary file format\n\
+ -e --exe=<executable> Set the input file name (default is a.out)\n\
+ -i --inlines Unwind inlined functions\n\
+ -j --section=<name> Read section-relative offsets instead of addresses\n\
+ -p --pretty-print Make the output easier to read for humans\n\
+ -s --basenames Strip directory names\n\
+ -f --functions Show function names\n\
+ -C --demangle[=style] Demangle function names\n\
+ -h --help Display this information\n\
+ -v --version Display the program's version\n\
+\n"));
+
+ list_supported_targets (program_name, stream);
+ if (REPORT_BUGS_TO[0] && status == 0)
+ fprintf (stream, _("Report bugs to %s\n"), REPORT_BUGS_TO);
+ exit (status);
+}
+
+/* Read in the symbol table. */
+
+static void
+slurp_symtab (bfd *abfd)
+{
+ long storage;
+ long symcount;
+ bfd_boolean dynamic = FALSE;
+
+ if ((bfd_get_file_flags (abfd) & HAS_SYMS) == 0)
+ return;
+
+ storage = bfd_get_symtab_upper_bound (abfd);
+ if (storage == 0)
+ {
+ storage = bfd_get_dynamic_symtab_upper_bound (abfd);
+ dynamic = TRUE;
+ }
+ if (storage < 0)
+ bfd_fatal (bfd_get_filename (abfd));
+
+ syms = (asymbol **) xmalloc (storage);
+ if (dynamic)
+ symcount = bfd_canonicalize_dynamic_symtab (abfd, syms);
+ else
+ symcount = bfd_canonicalize_symtab (abfd, syms);
+ if (symcount < 0)
+ bfd_fatal (bfd_get_filename (abfd));
+
+ /* If there are no symbols left after canonicalization and
+ we have not tried the dynamic symbols then give them a go. */
+ if (symcount == 0
+ && ! dynamic
+ && (storage = bfd_get_dynamic_symtab_upper_bound (abfd)) > 0)
+ {
+ free (syms);
+ syms = xmalloc (storage);
+ symcount = bfd_canonicalize_dynamic_symtab (abfd, syms);
+ }
+}
+
+/* These global variables are used to pass information between
+ translate_addresses and find_address_in_section. */
+
+static bfd_vma pc;
+static const char *filename;
+static const char *functionname;
+static unsigned int line;
+static unsigned int discriminator;
+static bfd_boolean found;
+
+/* Look for an address in a section. This is called via
+ bfd_map_over_sections. */
+
+static void
+find_address_in_section (bfd *abfd, asection *section,
+ void *data ATTRIBUTE_UNUSED)
+{
+ bfd_vma vma;
+ bfd_size_type size;
+
+ if (found)
+ return;
+
+ if ((bfd_get_section_flags (abfd, section) & SEC_ALLOC) == 0)
+ return;
+
+ vma = bfd_get_section_vma (abfd, section);
+ if (pc < vma)
+ return;
+
+ size = bfd_get_section_size (section);
+ if (pc >= vma + size)
+ return;
+
+ found = bfd_find_nearest_line_discriminator (abfd, section, syms, pc - vma,
+ &filename, &functionname,
+ &line, &discriminator);
+}
+
+/* Look for an offset in a section. This is directly called. */
+
+static void
+find_offset_in_section (bfd *abfd, asection *section)
+{
+ bfd_size_type size;
+
+ if (found)
+ return;
+
+ if ((bfd_get_section_flags (abfd, section) & SEC_ALLOC) == 0)
+ return;
+
+ size = bfd_get_section_size (section);
+ if (pc >= size)
+ return;
+
+ found = bfd_find_nearest_line_discriminator (abfd, section, syms, pc,
+ &filename, &functionname,
+ &line, &discriminator);
+}
+
+/* Read hexadecimal addresses from stdin, translate into
+ file_name:line_number and optionally function name. */
+
+static void
+translate_addresses (bfd *abfd, asection *section)
+{
+ int read_stdin = (naddr == 0);
+
+ for (;;)
+ {
+ if (read_stdin)
+ {
+ char addr_hex[100];
+
+ if (fgets (addr_hex, sizeof addr_hex, stdin) == NULL)
+ break;
+ pc = bfd_scan_vma (addr_hex, NULL, 16);
+ }
+ else
+ {
+ if (naddr <= 0)
+ break;
+ --naddr;
+ pc = bfd_scan_vma (*addr++, NULL, 16);
+ }
+
+ if (bfd_get_flavour (abfd) == bfd_target_elf_flavour)
+ {
+ const struct elf_backend_data *bed = get_elf_backend_data (abfd);
+ bfd_vma sign = (bfd_vma) 1 << (bed->s->arch_size - 1);
+
+ pc &= (sign << 1) - 1;
+ if (bed->sign_extend_vma)
+ pc = (pc ^ sign) - sign;
+ }
+
+ if (with_addresses)
+ {
+ printf ("0x");
+ bfd_printf_vma (abfd, pc);
+
+ if (pretty_print)
+ printf (": ");
+ else
+ printf ("\n");
+ }
+
+ found = FALSE;
+ if (section)
+ find_offset_in_section (abfd, section);
+ else
+ bfd_map_over_sections (abfd, find_address_in_section, NULL);
+
+ if (! found)
+ {
+ if (with_functions)
+ {
+ if (pretty_print)
+ printf ("?? ");
+ else
+ printf ("??\n");
+ }
+ printf ("??:0\n");
+ }
+ else
+ {
+ while (1)
+ {
+ if (with_functions)
+ {
+ const char *name;
+ char *alloc = NULL;
+
+ name = functionname;
+ if (name == NULL || *name == '\0')
+ name = "??";
+ else if (do_demangle)
+ {
+ alloc = bfd_demangle (abfd, name, DMGL_ANSI | DMGL_PARAMS);
+ if (alloc != NULL)
+ name = alloc;
+ }
+
+ printf ("%s", name);
+ if (pretty_print)
+ /* Note for translators: This printf is used to join the
+ function name just printed above to the line number/
+ file name pair that is about to be printed below. Eg:
+
+ foo at 123:bar.c */
+ printf (_(" at "));
+ else
+ printf ("\n");
+
+ if (alloc != NULL)
+ free (alloc);
+ }
+
+ if (base_names && filename != NULL)
+ {
+ char *h;
+
+ h = strrchr (filename, '/');
+ if (h != NULL)
+ filename = h + 1;
+ }
+
+ printf ("%s:", filename ? filename : "??");
+ if (line != 0)
+ {
+ if (discriminator != 0)
+ printf ("%u (discriminator %u)\n", line, discriminator);
+ else
+ printf ("%u\n", line);
+ }
+ else
+ printf ("?\n");
+ if (!unwind_inlines)
+ found = FALSE;
+ else
+ found = bfd_find_inliner_info (abfd, &filename, &functionname,
+ &line);
+ if (! found)
+ break;
+ if (pretty_print)
+ /* Note for translators: This printf is used to join the
+ line number/file name pair that has just been printed with
+ the line number/file name pair that is going to be printed
+ by the next iteration of the while loop. Eg:
+
+ 123:bar.c (inlined by) 456:main.c */
+ printf (_(" (inlined by) "));
+ }
+ }
+
+ /* fflush() is essential for using this command as a server
+ child process that reads addresses from a pipe and responds
+ with line number information, processing one address at a
+ time. */
+ fflush (stdout);
+ }
+}
+
+/* Process a file. Returns an exit value for main(). */
+
+static int
+process_file (const char *file_name, const char *section_name,
+ const char *target)
+{
+ bfd *abfd;
+ asection *section;
+ char **matching;
+
+ if (get_file_size (file_name) < 1)
+ return 1;
+
+ abfd = bfd_openr (file_name, target);
+ if (abfd == NULL)
+ bfd_fatal (file_name);
+
+ /* Decompress sections. */
+ abfd->flags |= BFD_DECOMPRESS;
+
+ if (bfd_check_format (abfd, bfd_archive))
+ fatal (_("%s: cannot get addresses from archive"), file_name);
+
+ if (! bfd_check_format_matches (abfd, bfd_object, &matching))
+ {
+ bfd_nonfatal (bfd_get_filename (abfd));
+ if (bfd_get_error () == bfd_error_file_ambiguously_recognized)
+ {
+ list_matching_formats (matching);
+ free (matching);
+ }
+ xexit (1);
+ }
+
+ if (section_name != NULL)
+ {
+ section = bfd_get_section_by_name (abfd, section_name);
+ if (section == NULL)
+ fatal (_("%s: cannot find section %s"), file_name, section_name);
+ }
+ else
+ section = NULL;
+
+ slurp_symtab (abfd);
+
+ translate_addresses (abfd, section);
+
+ if (syms != NULL)
+ {
+ free (syms);
+ syms = NULL;
+ }
+
+ bfd_close (abfd);
+
+ return 0;
+}
+
+int
+main (int argc, char **argv)
+{
+ const char *file_name;
+ const char *section_name;
+ char *target;
+ int c;
+
+#if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES)
+ setlocale (LC_MESSAGES, "");
+#endif
+#if defined (HAVE_SETLOCALE)
+ setlocale (LC_CTYPE, "");
+#endif
+ bindtextdomain (PACKAGE, LOCALEDIR);
+ textdomain (PACKAGE);
+
+ program_name = *argv;
+ xmalloc_set_program_name (program_name);
+
+ expandargv (&argc, &argv);
+
+ bfd_init ();
+ set_default_bfd_target ();
+
+ file_name = NULL;
+ section_name = NULL;
+ target = NULL;
+ while ((c = getopt_long (argc, argv, "ab:Ce:sfHhij:pVv", long_options, (int *) 0))
+ != EOF)
+ {
+ switch (c)
+ {
+ case 0:
+ break; /* We've been given a long option. */
+ case 'a':
+ with_addresses = TRUE;
+ break;
+ case 'b':
+ target = optarg;
+ break;
+ case 'C':
+ do_demangle = TRUE;
+ if (optarg != NULL)
+ {
+ enum demangling_styles style;
+
+ style = cplus_demangle_name_to_style (optarg);
+ if (style == unknown_demangling)
+ fatal (_("unknown demangling style `%s'"),
+ optarg);
+
+ cplus_demangle_set_style (style);
+ }
+ break;
+ case 'e':
+ file_name = optarg;
+ break;
+ case 's':
+ base_names = TRUE;
+ break;
+ case 'f':
+ with_functions = TRUE;
+ break;
+ case 'p':
+ pretty_print = TRUE;
+ break;
+ case 'v':
+ case 'V':
+ print_version ("addr2line");
+ break;
+ case 'h':
+ case 'H':
+ usage (stdout, 0);
+ break;
+ case 'i':
+ unwind_inlines = TRUE;
+ break;
+ case 'j':
+ section_name = optarg;
+ break;
+ default:
+ usage (stderr, 1);
+ break;
+ }
+ }
+
+ if (file_name == NULL)
+ file_name = "a.out";
+
+ addr = argv + optind;
+ naddr = argc - optind;
+
+ return process_file (file_name, section_name, target);
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-23 11:07:37 +0000