svn commit: r239870 - in head/contrib: binutils/include/elf gdb/gdb
Dimitry Andric
dim at FreeBSD.org
Wed Aug 29 18:37:11 UTC 2012
Author: dim
Date: Wed Aug 29 18:37:10 2012
New Revision: 239870
URL: http://svn.freebsd.org/changeset/base/239870
Log:
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.)
MFC after: 2 weeks
Modified:
head/contrib/binutils/include/elf/dwarf2.h
head/contrib/gdb/gdb/dwarf2read.c
Modified: head/contrib/binutils/include/elf/dwarf2.h
==============================================================================
--- head/contrib/binutils/include/elf/dwarf2.h Wed Aug 29 18:22:52 2012 (r239869)
+++ head/contrib/binutils/include/elf/dwarf2.h Wed Aug 29 18:37:10 2012 (r239870)
@@ -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: head/contrib/gdb/gdb/dwarf2read.c
==============================================================================
--- head/contrib/gdb/gdb/dwarf2read.c Wed Aug 29 18:22:52 2012 (r239869)
+++ head/contrib/gdb/gdb/dwarf2read.c Wed Aug 29 18:37:10 2012 (r239870)
@@ -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 */
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