19990502 sourceware importbinu_ss_19990502

1 files changed, 335 insertions, 0 deletions

diff --git a/binutils/addr2line.c b/binutils/addr2line.c
new file mode 100644
index 0000000..3cee867
--- /dev/null
+++ b/binutils/addr2line.c
@@ -0,0 +1,335 @@
+/* addr2line.c -- convert addresses to line number and function name
+   Copyright 1997, 1998, 1999 Free Software Foundation, Inc.
+   Contributed by Ulrich Lauther <Ulrich.Lauther@zfe.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 2, 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, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+
+/* Derived from objdump.c and nm.c by Ulrich.Lauther@zfe.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 <ctype.h>
+#include <string.h>
+
+#include "bfd.h"
+#include "getopt.h"
+#include "libiberty.h"
+#include "demangle.h"
+#include "bucomm.h"
+
+extern char *program_version;
+
+static boolean with_functions;	/* -f, show function names.  */
+static boolean do_demangle;	/* -C, demangle names.  */
+static 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[] =
+{
+  {"basenames", no_argument, NULL, 's'},
+  {"demangle", no_argument, NULL, 'C'},
+  {"exe", required_argument, NULL, 'e'},
+  {"functions", no_argument, NULL, 'f'},
+  {"target", required_argument, NULL, 'b'},
+  {"help", no_argument, NULL, 'H'},
+  {"version", no_argument, NULL, 'V'},
+  {0, no_argument, 0, 0}
+};
+
+static void usage PARAMS ((FILE *, int));
+static void slurp_symtab PARAMS ((bfd *));
+static void find_address_in_section PARAMS ((bfd *, asection *, PTR));
+static void translate_addresses PARAMS ((bfd *));
+static void process_file PARAMS ((const char *, const char *));
+
+/* Print a usage message to STREAM and exit with STATUS.  */
+
+static void
+usage (stream, status)
+     FILE *stream;
+     int status;
+{
+  fprintf (stream, _("\
+Usage: %s [-CfsHV] [-b bfdname] [--target=bfdname]\n\
+       [-e executable] [--exe=executable] [--demangle]\n\
+       [--basenames] [--functions] [addr addr ...]\n"),
+	   program_name);
+  list_supported_targets (program_name, stream);
+  if (status == 0)
+    fprintf (stream, _("Report bugs to bug-gnu-utils@gnu.org\n"));
+  exit (status);
+}
+
+/* Read in the symbol table.  */
+
+static void
+slurp_symtab (abfd)
+     bfd *abfd;
+{
+  long storage;
+  long symcount;
+
+  if ((bfd_get_file_flags (abfd) & HAS_SYMS) == 0)
+    return;
+
+  storage = bfd_get_symtab_upper_bound (abfd);
+  if (storage < 0)
+    bfd_fatal (bfd_get_filename (abfd));
+
+  syms = (asymbol **) xmalloc (storage);
+
+  symcount = bfd_canonicalize_symtab (abfd, syms);
+  if (symcount < 0)
+    bfd_fatal (bfd_get_filename (abfd));
+}
+
+/* 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 boolean found;
+
+/* Look for an address in a section.  This is called via
+   bfd_map_over_sections.  */
+
+static void
+find_address_in_section (abfd, section, data)
+     bfd *abfd;
+     asection *section;
+     PTR data;
+{
+  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_before_reloc (section);
+  if (pc >= vma + size)
+    return;
+
+  found = bfd_find_nearest_line (abfd, section, syms, pc - vma,
+				 &filename, &functionname, &line);
+}
+
+/* Read hexadecimal addresses from stdin, translate into
+   file_name:line_number and optionally function name.  */
+
+static void
+translate_addresses (abfd)
+     bfd *abfd;
+{
+  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);
+	}
+
+      found = false;
+      bfd_map_over_sections (abfd, find_address_in_section, (PTR) NULL);
+
+      if (! found)
+	{
+	  if (with_functions)
+	    printf ("??\n");
+	  printf ("??:0\n");
+	}
+      else
+	{
+	  if (with_functions)
+	    {
+	      if (functionname == NULL || *functionname == '\0')
+		printf ("??\n");
+	      else if (! do_demangle)
+		printf ("%s\n", functionname);
+	      else
+		{
+		  char *res;
+
+		  res = cplus_demangle (functionname, DMGL_ANSI | DMGL_PARAMS);
+		  if (res == NULL)
+		    printf ("%s\n", functionname);
+		  else
+		    {
+		      printf ("%s\n", res);
+		      free (res);
+		    }
+		}
+	    }
+
+	  if (base_names && filename != NULL)
+	    {
+	      char *h;
+
+	      h = strrchr (filename, '/');
+	      if (h != NULL)
+		filename = h + 1;
+	    }
+
+	  printf ("%s:%u\n", filename ? filename : "??", line);
+	}
+
+      /* 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.  */
+
+static void
+process_file (filename, target)
+     const char *filename;
+     const char *target;
+{
+  bfd *abfd;
+  char **matching;
+
+  abfd = bfd_openr (filename, target);
+  if (abfd == NULL)
+    bfd_fatal (filename);
+
+  if (bfd_check_format (abfd, bfd_archive))
+    fatal (_("%s: can not get addresses from archive"), filename);
+
+  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);
+    }
+
+  slurp_symtab (abfd);
+
+  translate_addresses (abfd);
+
+  if (syms != NULL)
+    {
+      free (syms);
+      syms = NULL;
+    }
+
+  bfd_close (abfd);
+}
+
+int
+main (argc, argv)
+     int argc;
+     char **argv;
+{
+  char *filename;
+  char *target;
+  int c;
+
+#if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES)
+  setlocale (LC_MESSAGES, "");
+#endif
+  bindtextdomain (PACKAGE, LOCALEDIR);
+  textdomain (PACKAGE);
+
+  program_name = *argv;
+  xmalloc_set_program_name (program_name);
+
+  bfd_init ();
+  set_default_bfd_target ();
+
+  filename = NULL;
+  target = NULL;
+  while ((c = getopt_long (argc, argv, "b:Ce:sfHV", long_options, (int *) 0))
+	 != EOF)
+    {
+      switch (c)
+	{
+	case 0:
+	  break;		/* we've been given a long option */
+	case 'b':
+	  target = optarg;
+	  break;
+	case 'C':
+	  do_demangle = true;
+	  break;
+	case 'e':
+	  filename = optarg;
+	  break;
+	case 's':
+	  base_names = true;
+	  break;
+	case 'f':
+	  with_functions = true;
+	  break;
+	case 'V':
+	  print_version ("addr2line");
+	  break;
+	case 'H':
+	  usage (stdout, 0);
+	  break;
+	default:
+	  usage (stderr, 1);
+	  break;
+	}
+    }
+
+  if (filename == NULL)
+    filename = "a.out";
+
+  addr = argv + optind;
+  naddr = argc - optind;
+
+  process_file (filename, target);
+
+  return 0;
+}