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* dwarf2read.c (dwarf2_cu): Remove unused members has_form_ref_addr,

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has_namespace_info.
	(dwarf2_read_abbrevs): Remove corresponding initialization.
This commit is contained in:
Doug Evans 2012-03-01 19:55:35 +00:00
parent 7d74f2446c
commit 122d194084
2 changed files with 7 additions and 26 deletions
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6
gdb/ChangeLog
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@ -1,3 +1,9 @@
2012-03-01 Doug Evans <dje@google.com>
* dwarf2read.c (dwarf2_cu): Remove unused members has_form_ref_addr,
has_namespace_info.
(dwarf2_read_abbrevs): Remove corresponding initialization.
2012-03-01 Scott J. Goldman <scottjg@vmware.com>
* NEWS: Mention new python command class gdb.COMMAND_USER.

27
gdb/dwarf2read.c
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@ -378,16 +378,6 @@ struct dwarf2_cu
/* Mark used when releasing cached dies. */
unsigned int mark : 1;
/* This flag will be set if this compilation unit might include
inter-compilation-unit references. */
unsigned int has_form_ref_addr : 1;
/* This flag will be set if this compilation unit includes any
DW_TAG_namespace DIEs. If we know that there are explicit
DIEs for namespaces, we don't need to try to infer them
from mangled names. */
unsigned int has_namespace_info : 1;
/* This CU references .debug_loc. See the symtab->locations_valid field.
This test is imperfect as there may exist optimized debug code not using
any location list and still facing inlining issues if handled as
@ -9343,9 +9333,6 @@ dwarf2_read_abbrevs (struct dwarf2_cu *cu)
cur_abbrev->has_children = read_1_byte (abfd, abbrev_ptr);
abbrev_ptr += 1;
if (cur_abbrev->tag == DW_TAG_namespace)
cu->has_namespace_info = 1;
/* now read in declarations */
abbrev_name = read_unsigned_leb128 (abfd, abbrev_ptr, &bytes_read);
abbrev_ptr += bytes_read;
@ -9361,16 +9348,6 @@ dwarf2_read_abbrevs (struct dwarf2_cu *cu)
* sizeof (struct attr_abbrev)));
}
/* Record whether this compilation unit might have
inter-compilation-unit references. If we don't know what form
this attribute will have, then it might potentially be a
DW_FORM_ref_addr, so we conservatively expect inter-CU
references. */
if (abbrev_form == DW_FORM_ref_addr
|| abbrev_form == DW_FORM_indirect)
cu->has_form_ref_addr = 1;
cur_attrs[cur_abbrev->num_attrs].name = abbrev_name;
cur_attrs[cur_abbrev->num_attrs++].form = abbrev_form;
abbrev_name = read_unsigned_leb128 (abfd, abbrev_ptr, &bytes_read);
@ -10116,9 +10093,7 @@ fixup_partial_die (struct partial_die_info *part_die,
/* If there is no parent die to provide a namespace, and there are
children, see if we can determine the namespace from their linkage
name.
NOTE: We need to do this even if cu->has_namespace_info != 0.
gcc-4.5 -gdwarf-4 can drop the enclosing namespace. */
name. */
if (cu->language == language_cplus
&& !VEC_empty (dwarf2_section_info_def, dwarf2_per_objfile->types)
&& part_die->die_parent == NULL