Display null bytes in DWARF debug info

binutils/

	PR binutils/14420
	* dwarf.c (process_abbrev_section): Add attribute terminator.
	Warn missing section terminator.
	(get_FORM_name): Special check for 0 value.
	(get_AT_name): Likewise.
	(process_debug_info): Display zero abbrev number.  Check
	attribute terminator.

binutils/testsuite/

	PR binutils/14420
	* binutils-all/i386/compressed-1a.d: Updated.
	* binutils-all/objdump.W: Likewise.
	* binutils-all/readelf.wa: Likewise.
	* binutils-all/x86-64/compressed-1a.d: Likewise.

gas/testsuite/

	PR binutils/14420
	* gas/elf/dwarf2-1.d: Updated.
	* gas/elf/dwarf2-2.d: Likwise.
	* gas/i386/dw2-compress-1.d: Likwise.

5 files changed, 21 insertions, 0 deletions

diff --git a/binutils/testsuite/ChangeLog b/binutils/testsuite/ChangeLog
index b82624a..7d4de5a 100644
--- a/binutils/testsuite/ChangeLog
+++ b/binutils/testsuite/ChangeLog
@@ -1,3 +1,11 @@
+2012-08-02  H.J. Lu  <hongjiu.lu@intel.com>
+
+	PR binutils/14420
+	* binutils-all/i386/compressed-1a.d: Updated.
+	* binutils-all/objdump.W: Likewise.
+	* binutils-all/readelf.wa: Likewise.
+	* binutils-all/x86-64/compressed-1a.d: Likewise.
+
 2012-07-28  Kai Tietz  <ktietz@redhat.com>
 
 	* binutils-all/windres/version_small.rc: New test.
diff --git a/binutils/testsuite/binutils-all/i386/compressed-1a.d b/binutils/testsuite/binutils-all/i386/compressed-1a.d
index aa0284a..bb609dd 100644
--- a/binutils/testsuite/binutils-all/i386/compressed-1a.d
+++ b/binutils/testsuite/binutils-all/i386/compressed-1a.d
@@ -16,6 +16,7 @@ Contents of the .[z]?debug_abbrev section:
     DW_AT_low_pc       DW_FORM_addr
     DW_AT_high_pc      DW_FORM_addr
     DW_AT_stmt_list    DW_FORM_data4
+    DW_AT value: 0     DW_FORM value: 0
    2      DW_TAG_subprogram    \[no children\]
     DW_AT_external     DW_FORM_flag
     DW_AT_name         DW_FORM_strp
@@ -24,6 +25,7 @@ Contents of the .[z]?debug_abbrev section:
     DW_AT_low_pc       DW_FORM_addr
     DW_AT_high_pc      DW_FORM_addr
     DW_AT_frame_base   DW_FORM_block1
+    DW_AT value: 0     DW_FORM value: 0
 
 Contents of the .[z]?debug_info section:
 
@@ -56,6 +58,7 @@ Contents of the .[z]?debug_info section:
     <3f>   DW_AT_low_pc      : 0x10	
     <43>   DW_AT_high_pc     : 0x1b	
     <47>   DW_AT_frame_base  : 1 byte block: 9c 	\(DW_OP_call_frame_cfa\)
+ <1><49>: Abbrev Number: 0
 
 Raw dump of debug contents of section .[z]?debug_line:
 
diff --git a/binutils/testsuite/binutils-all/objdump.W b/binutils/testsuite/binutils-all/objdump.W
index 449372e..43c2451 100644
--- a/binutils/testsuite/binutils-all/objdump.W
+++ b/binutils/testsuite/binutils-all/objdump.W
@@ -28,6 +28,7 @@ Contents of the .debug_info section:
     <4b>   DW_AT_name        : int	
     <4f>   DW_AT_byte_size   : 4	
     <50>   DW_AT_encoding    : 5	\(signed\)
+ <1><51>: Abbrev Number: 0
 
 Raw dump of debug contents of section .debug_line:
 
@@ -83,6 +84,7 @@ Contents of the .debug_abbrev section:
     DW_AT_name         DW_FORM_string
     DW_AT_producer     DW_FORM_string
     DW_AT_language     DW_FORM_data1
+    DW_AT value: 0     DW_FORM value: 0
    2      DW_TAG_subprogram    \[no children\]
     DW_AT_external     DW_FORM_flag
     DW_AT_decl_file    DW_FORM_data1
@@ -92,8 +94,10 @@ Contents of the .debug_abbrev section:
     DW_AT_low_pc       DW_FORM_addr
     DW_AT_high_pc      DW_FORM_addr
     DW_AT_frame_base   DW_FORM_block1
+    DW_AT value: 0     DW_FORM value: 0
    3      DW_TAG_base_type    \[no children\]
     DW_AT_name         DW_FORM_string
     DW_AT_byte_size    DW_FORM_data1
     DW_AT_encoding     DW_FORM_data1
+    DW_AT value: 0     DW_FORM value: 0
 
diff --git a/binutils/testsuite/binutils-all/readelf.wa b/binutils/testsuite/binutils-all/readelf.wa
index e1e158c..43d60b1 100644
--- a/binutils/testsuite/binutils-all/readelf.wa
+++ b/binutils/testsuite/binutils-all/readelf.wa
@@ -8,6 +8,7 @@ Contents of the .zdebug_abbrev section:
     DW_AT_name         DW_FORM_string
     DW_AT_producer     DW_FORM_string
     DW_AT_language     DW_FORM_data1
+    DW_AT value: 0     DW_FORM value: 0
    2      DW_TAG_subprogram    [no children]
     DW_AT_external     DW_FORM_flag
     DW_AT_decl_file    DW_FORM_data1
@@ -17,8 +18,10 @@ Contents of the .zdebug_abbrev section:
     DW_AT_low_pc       DW_FORM_addr
     DW_AT_high_pc      DW_FORM_addr
     DW_AT_frame_base   DW_FORM_block1
+    DW_AT value: 0     DW_FORM value: 0
    3      DW_TAG_base_type    [no children]
     DW_AT_name         DW_FORM_string
     DW_AT_byte_size    DW_FORM_data1
     DW_AT_encoding     DW_FORM_data1
+    DW_AT value: 0     DW_FORM value: 0
 
diff --git a/binutils/testsuite/binutils-all/x86-64/compressed-1a.d b/binutils/testsuite/binutils-all/x86-64/compressed-1a.d
index 98115af..06ab011 100644
--- a/binutils/testsuite/binutils-all/x86-64/compressed-1a.d
+++ b/binutils/testsuite/binutils-all/x86-64/compressed-1a.d
@@ -16,6 +16,7 @@ Contents of the .[z]?debug_abbrev section:
     DW_AT_low_pc       DW_FORM_addr
     DW_AT_high_pc      DW_FORM_addr
     DW_AT_stmt_list    DW_FORM_data4
+    DW_AT value: 0     DW_FORM value: 0
    2      DW_TAG_subprogram    \[no children\]
     DW_AT_external     DW_FORM_flag
     DW_AT_name         DW_FORM_strp
@@ -24,6 +25,7 @@ Contents of the .[z]?debug_abbrev section:
     DW_AT_low_pc       DW_FORM_addr
     DW_AT_high_pc      DW_FORM_addr
     DW_AT_frame_base   DW_FORM_block1
+    DW_AT value: 0     DW_FORM value: 0
 
 Contents of the .[z]?debug_info section:
 
@@ -56,6 +58,7 @@ Contents of the .[z]?debug_info section:
     <4f>   DW_AT_low_pc      : 0x10	
     <57>   DW_AT_high_pc     : 0x15	
     <5f>   DW_AT_frame_base  : 1 byte block: 9c 	\(DW_OP_call_frame_cfa\)
+ <1><61>: Abbrev Number: 0
 
 Raw dump of debug contents of section .[z]?debug_line: