From: Jan Kratochvil <jan.kratochvil@redhat.com>
Date: Mon, 7 Sep 2009 18:07:02 +0000 (+0000)
Subject: binutils/
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=eb7cc02115c176068ad577e9787cff620cf32d4f;p=binutils-gdb.git

binutils/
	* dwarf.c (process_debug_info): Support section padding abbrev codes.

binutils/testsuite/
	* binutils-all/testranges.s (.debug_info): Pad the only CU.
---

diff --git a/binutils/ChangeLog b/binutils/ChangeLog
index 107cb8d29a7..e44742515c0 100644
--- a/binutils/ChangeLog
+++ b/binutils/ChangeLog
@@ -1,3 +1,7 @@
+2009-09-07  Jan Kratochvil  <jan.kratochvil@redhat.com>
+
+	* dwarf.c (process_debug_info): Support section padding abbrev codes.
+
 2009-09-07  Tristan Gingold  <gingold@adacore.com>
 
 	* po/binutils.pot: Regenerate.
diff --git a/binutils/dwarf.c b/binutils/dwarf.c
index 9c7c9a87aa0..46b6929a011 100644
--- a/binutils/dwarf.c
+++ b/binutils/dwarf.c
@@ -1985,9 +1985,22 @@ process_debug_info (struct dwarf_section *section,
 	  abbrev_number = read_leb128 (tags, & bytes_read, 0);
 	  tags += bytes_read;
 
-	  /* A null DIE marks the end of a list of siblings.  */
+	  /* A null DIE marks the end of a list of siblings or it may also be
+	     a section padding.  */
 	  if (abbrev_number == 0)
 	    {
+	      /* Check if it can be a section padding for the last CU.  */
+	      if (level == 0 && start == end)
+		{
+		  unsigned char *chk;
+
+		  for (chk = tags; chk < start; chk++)
+		    if (*chk != 0)
+		      break;
+		  if (chk == start)
+		    break;
+		}
+
 	      --level;
 	      if (level < 0)
 		{
diff --git a/binutils/testsuite/ChangeLog b/binutils/testsuite/ChangeLog
index d212b673525..250959e0be3 100644
--- a/binutils/testsuite/ChangeLog
+++ b/binutils/testsuite/ChangeLog
@@ -1,3 +1,7 @@
+2009-09-07  Jan Kratochvil  <jan.kratochvil@redhat.com>
+
+	* binutils-all/testranges.s (.debug_info): Pad the only CU.
+
 2009-09-07  Jan Kratochvil  <jan.kratochvil@redhat.com>
 
 	* binutils-all/testranges.s: Replace all .long by .4byte.
diff --git a/binutils/testsuite/binutils-all/testranges.s b/binutils/testsuite/binutils-all/testranges.s
index 0964519387c..e1f9931b999 100644
--- a/binutils/testsuite/binutils-all/testranges.s
+++ b/binutils/testsuite/binutils-all/testranges.s
@@ -32,6 +32,10 @@ debugS:
 	.uleb128 0x2	;# (DIE (0x6d) DW_TAG_subprogram)
 	.ascii "A\0"	;# DW_AT_name
 	.4byte	range_sub - range	;# DW_AT_ranges
+
+	;# minimal section alignment on alpha-* is 2, ensure no new invalid CU
+	;# will be started.
+	.balign	2
 debugE:
 
 	.section	.debug_abbrev,"",%progbits