From: H.J. Lu <hjl.tools@gmail.com>
Date: Wed, 24 Oct 2012 21:36:50 +0000 (+0000)
Subject: Don't decompress the section in bfd_is_section_compressed
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=64f401629ba3680d49952c5e96ff88cd4103a156;p=binutils-gdb.git

Don't decompress the section in bfd_is_section_compressed

	* compress.c (bfd_is_section_compressed): Don't decompress the
	section.
---

diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index 599e0bf969b..6125ab5aeaf 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,8 @@
+2012-10-24  H.J. Lu  <hongjiu.lu@intel.com>
+
+	* compress.c (bfd_is_section_compressed): Don't decompress the
+	section.
+
 2012-10-23  Nathan Sidwell  <nathan@codesourcery.com>
 
 	* bfd-in.h (bfd_elf_stack_segment_size): Declare.
diff --git a/bfd/compress.c b/bfd/compress.c
index 7f947817a17..75d54e49045 100644
--- a/bfd/compress.c
+++ b/bfd/compress.c
@@ -292,11 +292,20 @@ bfd_boolean
 bfd_is_section_compressed (bfd *abfd, sec_ptr sec)
 {
   bfd_byte compressed_buffer [12];
+  unsigned int saved = sec->compress_status;
+  bfd_boolean compressed;
+
+  /* Don't decompress the section.  */
+  sec->compress_status = COMPRESS_SECTION_NONE;
 
   /* Read the zlib header.  In this case, it should be "ZLIB" followed
      by the uncompressed section size, 8 bytes in big-endian order.  */
-  return (bfd_get_section_contents (abfd, sec, compressed_buffer, 0, 12)
-	  && CONST_STRNEQ ((char*) compressed_buffer, "ZLIB"));
+  compressed = (bfd_get_section_contents (abfd, sec, compressed_buffer, 0, 12)
+		&& CONST_STRNEQ ((char*) compressed_buffer, "ZLIB"));
+
+  /* Restore compress_status.  */
+  sec->compress_status = saved;
+  return compressed;
 }
 
 /*