svn commit: r240411 - in stable/9/contrib: binutils/include/elf gdb/gdb

[Dimitry Andric]

Author: dim
Date: Wed Sep 12 17:50:56 2012
New Revision: 240411
URL: http://svn.freebsd.org/changeset/base/240411

Log:
  MFC r239870:
  
  Teach gdb about the DW_FORM_flag_present dwarf attribute, so it doesn't
  error out on files that contain it.  (This attribute can be emitted by
  newer versions of clang.)

Modified:
  stable/9/contrib/binutils/include/elf/dwarf2.h
  stable/9/contrib/gdb/gdb/dwarf2read.c
Directory Properties:
  stable/9/contrib/binutils/   (props changed)
  stable/9/contrib/gdb/   (props changed)

Modified: stable/9/contrib/binutils/include/elf/dwarf2.h
==============================================================================
--- stable/9/contrib/binutils/include/elf/dwarf2.h	Wed Sep 12 17:05:39 2012	(r240410)
+++ stable/9/contrib/binutils/include/elf/dwarf2.h	Wed Sep 12 17:50:56 2012	(r240411)
@@ -238,7 +238,8 @@ enum dwarf_form
     DW_FORM_ref4 = 0x13,
     DW_FORM_ref8 = 0x14,
     DW_FORM_ref_udata = 0x15,
-    DW_FORM_indirect = 0x16
+    DW_FORM_indirect = 0x16,
+    DW_FORM_flag_present = 0x19
   };
 
 /* Attribute names and codes.  */

Modified: stable/9/contrib/gdb/gdb/dwarf2read.c
==============================================================================
--- stable/9/contrib/gdb/gdb/dwarf2read.c	Wed Sep 12 17:05:39 2012	(r240410)
+++ stable/9/contrib/gdb/gdb/dwarf2read.c	Wed Sep 12 17:50:56 2012	(r240411)
@@ -4604,6 +4604,9 @@ read_attribute_value (struct attribute *
       DW_UNSND (attr) = read_1_byte (abfd, info_ptr);
       info_ptr += 1;
       break;
+    case DW_FORM_flag_present:
+      DW_UNSND (attr) = 1;
+      break;
     case DW_FORM_sdata:
       DW_SND (attr) = read_signed_leb128 (abfd, info_ptr, &bytes_read);
       info_ptr += bytes_read;
@@ -7226,6 +7229,9 @@ dump_die (struct die_info *die)
 	  else
 	    fprintf_unfiltered (gdb_stderr, "flag: FALSE");
 	  break;
+	case DW_FORM_flag_present:
+	  fprintf_unfiltered (gdb_stderr, "flag: TRUE");
+	  break;
 	case DW_FORM_indirect:
 	  /* the reader will have reduced the indirect form to
 	     the "base form" so this form should not occur */