gdb/

	* symfile.c (separate_debug_file_exists): When the CRCs mismatch
	print a warning.
	(find_separate_debug_file): Pass in the objfile's name.

gdb/testsuite/
	* gdb.base/sepdebug.exp (CRC mismatch is reported): New test.
	* gdb.base/sepdebug2.c: New file.

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 0749cd58e4ece1d43ba6861cfdd22b5a9b775b46..0a92fb689068645ac60e140684e0496c18790a15 100644 (file)
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,9 @@
+2009-11-02  Andrew Cagney  <cagney@gnu.org>
+
+       * symfile.c (separate_debug_file_exists): When the CRCs mismatch
+       print a warning.
+       (find_separate_debug_file): Pass in the objfile's name.
+
 2009-11-02  Jan Kratochvil  <jan.kratochvil@redhat.com>
 
        Remove INVALID_ENTRY_POINT.

diff --git a/gdb/symfile.c b/gdb/symfile.c
index 5ace7734f5464cf2a232d8ce02812443f16cc4bd..75cb0f8e999b6b1c38c263dd4cbbbf52db305a49 100644 (file)
--- a/gdb/symfile.c
+++ b/gdb/symfile.c
@@ -1283,7 +1283,8 @@ get_debug_link_info (struct objfile *objfile, unsigned long *crc32_out)
 }
 
 static int
-separate_debug_file_exists (const char *name, unsigned long crc)
+separate_debug_file_exists (const char *name, unsigned long crc,
+                           const char *parent_name)
 {
   unsigned long file_crc = 0;
   bfd *abfd;
@@ -1303,7 +1304,15 @@ separate_debug_file_exists (const char *name, unsigned long crc)
 
   bfd_close (abfd);
 
-  return crc == file_crc;
+  if (crc != file_crc)
+    {
+      warning (_("the debug information found in \"%s\""
+                " does not match \"%s\" (CRC mismatch).\n"),
+              name, parent_name);
+      return 0;
+    }
+
+  return 1;
 }
 
 char *debug_file_directory = NULL;
@@ -1355,6 +1364,8 @@ find_separate_debug_file (struct objfile *objfile)
   basename = get_debug_link_info (objfile, &crc32);
 
   if (basename == NULL)
+    /* There's no separate debug info, hence there's no way we could
+       load it => no warning.  */
     return NULL;
 
   dir = xstrdup (objfile->name);
@@ -1388,7 +1399,7 @@ find_separate_debug_file (struct objfile *objfile)
   strcpy (debugfile, dir);
   strcat (debugfile, basename);
 
-  if (separate_debug_file_exists (debugfile, crc32))
+  if (separate_debug_file_exists (debugfile, crc32, objfile->name))
     {
       xfree (basename);
       xfree (dir);
@@ -1402,7 +1413,7 @@ find_separate_debug_file (struct objfile *objfile)
   strcat (debugfile, "/");
   strcat (debugfile, basename);
 
-  if (separate_debug_file_exists (debugfile, crc32))
+  if (separate_debug_file_exists (debugfile, crc32, objfile->name))
     {
       xfree (basename);
       xfree (dir);
@@ -1416,7 +1427,7 @@ find_separate_debug_file (struct objfile *objfile)
   strcat (debugfile, dir);
   strcat (debugfile, basename);
 
-  if (separate_debug_file_exists (debugfile, crc32))
+  if (separate_debug_file_exists (debugfile, crc32, objfile->name))
     {
       xfree (basename);
       xfree (dir);
@@ -1435,7 +1446,7 @@ find_separate_debug_file (struct objfile *objfile)
       strcat (debugfile, "/");
       strcat (debugfile, basename);
 
-      if (separate_debug_file_exists (debugfile, crc32))
+      if (separate_debug_file_exists (debugfile, crc32, objfile->name))
        {
          xfree (canon_name);
          xfree (basename);

diff --git a/gdb/testsuite/ChangeLog b/gdb/testsuite/ChangeLog
index 87ef634fa1c69054458f0f9b59e14de91f1e05ef..5a5410a2946c4b9e2a5ad8433efb848f6f2e6b73 100644 (file)
--- a/gdb/testsuite/ChangeLog
+++ b/gdb/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2009-11-02  Jan Kratochvil  <jan.kratochvil@redhat.com>
+
+       * gdb.base/sepdebug.exp (CRC mismatch is reported): New test.
+       * gdb.base/sepdebug2.c: New file.
+
 2009-10-31  Sergio Durigan Junior <sergiodj@linux.vnet.ibm.com>
 
        * gdb.base/catch-syscall.exp: Adapt the testcase in order to accept

diff --git a/gdb/testsuite/gdb.base/sepdebug.exp b/gdb/testsuite/gdb.base/sepdebug.exp
index 0962767e1303b006f58e94fd8f2d4f788fed48de..01d64adf10ad1734b73911a490e9151da043f02d 100644 (file)
--- a/gdb/testsuite/gdb.base/sepdebug.exp
+++ b/gdb/testsuite/gdb.base/sepdebug.exp
@@ -952,6 +952,23 @@ set debugfile "${objdir}/${subdir}/${testfile}.debug"
 test_different_dir debuglink "${objdir}/${subdir}" 0
 
 
+# Test CRC mismatch is reported.
+
+if {[build_executable sepdebug.exp sepdebug2 sepdebug2.c debug] != -1
+    && ![gdb_gnu_strip_debug ${objdir}/${subdir}/sepdebug2]} {
+
+    remote_exec build "cp ${debugfile} ${objdir}/${subdir}/.debug/sepdebug2.debug"
+
+    gdb_exit
+    gdb_start
+    gdb_reinitialize_dir $srcdir/$subdir
+
+    set escapedobjdirsubdir [string_to_regexp ${objdir}/${subdir}]
+
+    gdb_test "file ${objdir}/${subdir}/sepdebug2" "warning: the debug information found in \"${escapedobjdirsubdir}/\\.debug/sepdebug2\\.debug\" does not match \"${escapedobjdirsubdir}/sepdebug2\" \\(CRC mismatch\\)\\..*\\(no debugging symbols found\\).*" "CRC mismatch is reported"
+}
+
+
 # NT_GNU_BUILD_ID / .note.gnu.build-id test:
 
 set build_id_debug_filename [build_id_debug_filename_get $binfile]

diff --git a/gdb/testsuite/gdb.base/sepdebug2.c b/gdb/testsuite/gdb.base/sepdebug2.c
new file mode 100644 (file)
index 0000000..74717ac
--- /dev/null
+++ b/gdb/testsuite/gdb.base/sepdebug2.c
@@ -0,0 +1,22 @@
+/* This testcase is part of GDB, the GNU debugger.
+
+   Copyright 2009 Free Software Foundation, Inc.
+
+   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 of the License, 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, see <http://www.gnu.org/licenses/>.  */
+
+int
+main (void)
+{
+  return 0;
+}