2007-11-12 H.J. Lu <hongjiu.lu@intel.com>

	PR binutils/5299
	* peicode.h (pe_bfd_object_p): Save and restore previous bfd
	state when calling coff_object_p.

diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index 2635fbd..a73d1d5 100644 (file)
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,7 +1,13 @@
+2007-11-12  H.J. Lu  <hongjiu.lu@intel.com>
+
+       PR binutils/5299
+       * peicode.h (pe_bfd_object_p): Save and restore previous bfd
+       state when calling coff_object_p.
+
 2007-11-12  Alan Modra  <amodra@bigpond.net.au>
 
        * elf.c (_bfd_elf_get_synthetic_symtab): Only bump the symbol
-        pointer when we have a valid symbol.  Init udata.p to NULL.
+       pointer when we have a valid symbol.  Init udata.p to NULL.
 
 2007-11-09  Nathan Sidwell  <nathan@codesourcery.com>
 

diff --git a/bfd/peicode.h b/bfd/peicode.h
index 9a512a7..15cad54 100644 (file)
--- a/bfd/peicode.h
+++ b/bfd/peicode.h
@@ -1263,6 +1263,7 @@ pe_bfd_object_p (bfd * abfd)
   struct external_PEI_IMAGE_hdr image_hdr;
   file_ptr offset;
   const bfd_target *target;
+  struct bfd_preserve preserve;
 
   /* Detect if this a Microsoft Import Library Format element.  */
   if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0
@@ -1327,6 +1328,10 @@ pe_bfd_object_p (bfd * abfd)
       return NULL;
     }
 
+  preserve.marker = NULL;
+  if (! bfd_preserve_save (abfd, &preserve))
+    return NULL;
+
   target = coff_object_p (abfd);
   if (target)
     {
@@ -1344,7 +1349,10 @@ pe_bfd_object_p (bfd * abfd)
 
       /* Don't check PE vs. EFI if arch is unknown.  */
       if (arch == arch_type_unknown)
-       return target;
+       {
+         bfd_preserve_finish (abfd, &preserve);
+         return target;
+       }
 
       for (target_ptr = bfd_target_vector; *target_ptr != NULL;
           target_ptr++)
@@ -1361,8 +1369,10 @@ pe_bfd_object_p (bfd * abfd)
 
              if (efi)
                {
+no_match:
                  /* TARGET_PTR is an EFI backend.  Don't match
                     TARGET with a EFI file.  */
+                 bfd_preserve_restore (abfd, &preserve);
                  bfd_set_error (bfd_error_wrong_format);
                  return NULL;
                }
@@ -1377,12 +1387,15 @@ pe_bfd_object_p (bfd * abfd)
                {
                  /* TARGET_PTR is a PE backend.  Don't match
                     TARGET with a PE file.  */
-                 bfd_set_error (bfd_error_wrong_format);
-                 return NULL;
+                 goto no_match;
                }
            }
        }
+
+      bfd_preserve_finish (abfd, &preserve);
     }
+  else
+    bfd_preserve_restore (abfd, &preserve);
 
   return target;
 }