bfd/ChangeLog:

	* compress.c (bfd_uncompress_section_contents): Add ATTRIBUTE_UNUSED.
	* dwarf2.c (read_and_uncompress_section): New function.
	(read_section): Call it.
	(find_line): Likewise.

binutils/ChangeLog:

	* objdump.c (load_specific_debug_section): Decompress section contents
	before applying relocations.
	* readelf.c (load_specific_debug_section): Update section size after
	decompression.

gas/ChangeLog:

	* Makefile.am: Add compress-debug.c and compress-debug.h.
	* Makefile.in: Regenerate.
	* config.in: Add HAVE_ZLIB_H.
	* configure.in: Check for zlib.h.
	* configure: Regenerate.

	* as.c (parse_args): Add --compress-debug-sections and
	--nocompress-debug-sections.
	* as.h (flag_compress_debug): New variable.
	* compress-debug.c: New file.
	* compress-debug.h: New file.
	* write.c: Include compress-debug.h.
	(compress_frag): New function.
	(compress_debug): New function.
	(write_object_file): Compress debug sections if requested.

1 files changed, 26 insertions, 8 deletions

diff --git a/binutils/objdump.c b/binutils/objdump.c
index 2a419b7a1a..f94dee968e 100644
--- a/binutils/objdump.c
+++ b/binutils/objdump.c
@@ -2205,14 +2205,8 @@ load_specific_debug_section (enum dwarf_section_display_enum debug,
   section->size = bfd_get_section_size (sec);
   section->start = (unsigned char *) xmalloc (section->size);
 
-  if (is_relocatable && debug_displays [debug].relocate)
-    ret = bfd_simple_get_relocated_section_contents (abfd,
-						     sec,
-						     section->start,
-						     syms) != NULL;
-  else
-    ret = bfd_get_section_contents (abfd, sec, section->start, 0,
-				    section->size);
+  ret = bfd_get_section_contents (abfd, sec, section->start, 0,
+				  section->size);
 
   if (! ret)
     {
@@ -2234,6 +2228,30 @@ load_specific_debug_section (enum dwarf_section_display_enum debug,
       section->size = size;
     }
 
+  if (is_relocatable && debug_displays [debug].relocate)
+    {
+      /* 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.  */
+      sec->contents = section->start;
+      sec->flags |= SEC_IN_MEMORY;
+      sec->size = section->size;
+
+      ret = bfd_simple_get_relocated_section_contents (abfd,
+						       sec,
+						       section->start,
+						       syms) != NULL;
+
+      if (! ret)
+        {
+          free_debug_section (debug);
+          printf (_("\nCan't get contents for section '%s'.\n"),
+	          section->name);
+          return 0;
+        }
+    }
+
   return 1;
 }