libdw/

2007-04-16  Roland McGrath  <roland@redhat.com>

	* libdw.map (ELFUTILS_0.127): Add dwfl_module_address_section.

libdwfl/
2007-04-16  Roland McGrath  <roland@redhat.com>

	* derelocate.c (cache_sections): Apply bias to sh_addr.
	(compare_secrefs): Fix address comparison to avoid signed overflow.
	(find_section): New function, broken out of ...
	(dwfl_module_relocate_address): ... here, call it.
	(check_module): New function, broken out of ...
	(dwfl_module_relocate_address): ... here, call it.
	(dwfl_module_address_section): New function.
	* libdwfl.h: Declare it.

tests/
2007-04-16  Roland McGrath  <roland@redhat.com>

	* dwfl-addr-sect.c: New file.
	* Makefile.am (noinst_PROGRAMS): Add it.
	(dwfl_addr_sect_LDADD): New variable.

1 files changed, 85 insertions, 0 deletions

diff --git a/tests/dwfl-addr-sect.c b/tests/dwfl-addr-sect.c
new file mode 100644
index 00000000..b1f29f7c
--- /dev/null
+++ b/tests/dwfl-addr-sect.c
@@ -0,0 +1,85 @@
+/* Test program for libdwfl ... foo
+   Copyright (C) 2007 Red Hat, Inc.
+   This file is part of Red Hat elfutils.
+
+   Red Hat elfutils 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; version 2 of the License.
+
+   Red Hat elfutils 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 Red Hat elfutils; if not, write to the Free Software Foundation,
+   Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301 USA.
+
+   Red Hat elfutils is an included package of the Open Invention Network.
+   An included package of the Open Invention Network is a package for which
+   Open Invention Network licensees cross-license their patents.  No patent
+   license is granted, either expressly or impliedly, by designation as an
+   included package.  Should you wish to participate in the Open Invention
+   Network licensing program, please visit www.openinventionnetwork.com
+   <http://www.openinventionnetwork.com>.  */
+
+#include <config.h>
+#include <assert.h>
+#include <inttypes.h>
+#include <sys/types.h>
+#include <stdio.h>
+#include <stdio_ext.h>
+#include <stdlib.h>
+#include <string.h>
+#include <error.h>
+#include <locale.h>
+#include <argp.h>
+#include ELFUTILS_HEADER(dwfl)
+#include <dwarf.h>
+
+
+static void
+handle_address (Dwfl *dwfl, Dwarf_Addr address)
+{
+  Dwfl_Module *mod = dwfl_addrmodule (dwfl, address);
+  Dwarf_Addr adjusted = address;
+  Dwarf_Addr bias;
+  Elf_Scn *scn = dwfl_module_address_section (mod, &adjusted, &bias);
+  if (scn == NULL)
+    error (EXIT_FAILURE, 0, "%#" PRIx64 ": dwfl_module_address_section: %s",
+	   address, dwfl_errmsg (-1));
+  printf ("address %#" PRIx64 " => module \"%s\" section %zu + %#" PRIx64 "\n",
+	  address,
+	  dwfl_module_info (mod, NULL, NULL, NULL, NULL, NULL, NULL, NULL),
+	  elf_ndxscn (scn), adjusted);
+}
+
+int
+main (int argc, char **argv)
+{
+  /* We use no threads here which can interfere with handling a stream.  */
+  (void) __fsetlocking (stdout, FSETLOCKING_BYCALLER);
+
+  /* Set locale.  */
+  (void) setlocale (LC_ALL, "");
+
+  int remaining;
+  Dwfl *dwfl = NULL;
+  (void) argp_parse (dwfl_standard_argp (), argc, argv, 0, &remaining, &dwfl);
+  assert (dwfl != NULL);
+
+  int result = 0;
+  for (; remaining < argc; ++remaining)
+    {
+      char *endp;
+      uintmax_t addr = strtoumax (argv[remaining], &endp, 0);
+      if (endp != argv[remaining])
+	handle_address (dwfl, addr);
+      else
+	result = 1;
+    }
+
+  dwfl_end (dwfl);
+
+  return result;
+}