PR ld/11817
authorCary Coutant <ccoutant@google.com>
Wed, 14 Jul 2010 22:18:07 +0000 (22:18 +0000)
committerCary Coutant <ccoutant@google.com>
Wed, 14 Jul 2010 22:18:07 +0000 (22:18 +0000)
* dwarf2.c (read_section): Revert patch for compressed debug sections.
(find_line): Likewise.
(read_and_uncompress_section): Remove.

bfd/ChangeLog
bfd/dwarf2.c

index 26b38aec471272857292d15e30f15ab783fdd371..05d57ce085b6fbe6833775fa946832fed4a8a1f5 100644 (file)
@@ -1,3 +1,10 @@
+2010-07-14  Cary Coutant  <ccoutant@google.com>
+
+       PR ld/11817
+       * dwarf2.c (read_section): Revert patch for compressed debug sections.
+       (find_line): Likewise.
+       (read_and_uncompress_section): Remove.
+
 2010-07-13  H.J. Lu  <hongjiu.lu@intel.com>
 
        PR ld/11812
index 6983a1c349ed0901519a6b94ea147ea0e66af826..12858338f6ad6d6e490368d59f32a0b2be6591da 100644 (file)
@@ -405,54 +405,6 @@ lookup_info_hash_table (struct info_hash_table *hash_table, const char *key)
   return entry ? entry->head : NULL;
 }
 
-/* Read a section, uncompress it if necessary, and relocate it.  */
-
-static bfd_boolean
-read_and_uncompress_section (bfd *           abfd,
-                            asection *      msec,
-                            bfd_boolean     section_is_compressed,
-                            asymbol **      syms,
-                            bfd_byte **     section_buffer,
-                            bfd_size_type * section_size)
-{
-  /* Get the unrelocated contents of the section.  */
-  *section_buffer = (bfd_byte *) bfd_malloc (*section_size);
-  if (! *section_buffer)
-    return FALSE;
-  if (! bfd_get_section_contents (abfd, msec, *section_buffer,
-                                 0, *section_size))
-    return FALSE;
-
-  if (section_is_compressed)
-    {
-      if (! bfd_uncompress_section_contents (section_buffer, section_size))
-       {
-         (*_bfd_error_handler) (_("Dwarf Error: unable to decompress %s section."),
-                                bfd_get_section_name (abfd, msec));
-         bfd_set_error (bfd_error_bad_value);
-         return FALSE;
-       }
-    }
-
-  if (syms)
-    {
-      /* We want to relocate the data we've already read (and
-        decompressed), so we store a pointer to the data in
-        the bfd_section, and tell it that the contents are
-        already in memory.  */
-      BFD_ASSERT (msec->contents == NULL && (msec->flags & SEC_IN_MEMORY) == 0);
-      msec->contents = *section_buffer;
-      msec->flags |= SEC_IN_MEMORY;
-      msec->size = *section_size;
-      *section_buffer
-         = bfd_simple_get_relocated_section_contents (abfd, msec, NULL, syms);
-      if (! *section_buffer)
-       return FALSE;
-    }
-
-  return TRUE;
-}
-
 /* Read a section into its appropriate place in the dwarf2_debug
    struct (indicated by SECTION_BUFFER and SECTION_SIZE).  If SYMS is
    not NULL, use bfd_simple_get_relocated_section_contents to read the
@@ -488,10 +440,32 @@ read_section (bfd *           abfd,
        }
 
       *section_size = msec->rawsize ? msec->rawsize : msec->size;
+      if (syms)
+       {
+         *section_buffer
+             = bfd_simple_get_relocated_section_contents (abfd, msec, NULL, syms);
+         if (! *section_buffer)
+           return FALSE;
+       }
+      else
+       {
+         *section_buffer = (bfd_byte *) bfd_malloc (*section_size);
+         if (! *section_buffer)
+           return FALSE;
+         if (! bfd_get_section_contents (abfd, msec, *section_buffer,
+                                         0, *section_size))
+           return FALSE;
+       }
 
-      if (! read_and_uncompress_section (abfd, msec, section_is_compressed,
-                                        syms, section_buffer, section_size))
-       return FALSE;
+      if (section_is_compressed)
+       {
+         if (! bfd_uncompress_section_contents (section_buffer, section_size))
+           {
+             (*_bfd_error_handler) (_("Dwarf Error: unable to decompress %s section."), compressed_section_name);
+             bfd_set_error (bfd_error_bad_value);
+             return FALSE;
+           }
+       }
     }
 
   /* It is possible to get a bad value for the offset into the section
@@ -3269,17 +3243,23 @@ find_line (bfd *abfd,
                {
                  bfd_size_type size = msec->size;
                  bfd_byte *buffer, *tmp;
-                 bfd_boolean is_compressed =
-                     strcmp (msec->name, DWARF2_COMPRESSED_DEBUG_INFO) == 0;
 
                  if (size == 0)
                    continue;
 
-                 if (! read_and_uncompress_section (debug_bfd, msec,
-                                                    is_compressed, symbols,
-                                                    &buffer, &size))
+                 buffer = (bfd_simple_get_relocated_section_contents
+                           (debug_bfd, msec, NULL, symbols));
+                 if (! buffer)
                    goto done;
 
+                 if (strcmp (msec->name, DWARF2_COMPRESSED_DEBUG_INFO) == 0)
+                   {
+                     if (! bfd_uncompress_section_contents (&buffer, &size))
+                       {
+                         free (buffer);
+                         goto done;
+                       }
+                   }
                  tmp = (bfd_byte *) bfd_realloc (stash->info_ptr_memory,
                                                  total_size + size);
                  if (tmp == NULL)