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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> 2012-03-01 Scott J. Goldman <scottjg@vmware.com>
* NEWS: Mention new python command class gdb.COMMAND_USER. * NEWS: Mention new python command class gdb.COMMAND_USER.

27
gdb/dwarf2read.c
View file

@ -378,16 +378,6 @@ struct dwarf2_cu
/* Mark used when releasing cached dies. */ /* Mark used when releasing cached dies. */
unsigned int mark : 1; 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 CU references .debug_loc. See the symtab->locations_valid field.
This test is imperfect as there may exist optimized debug code not using This test is imperfect as there may exist optimized debug code not using
any location list and still facing inlining issues if handled as 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); cur_abbrev->has_children = read_1_byte (abfd, abbrev_ptr);
abbrev_ptr += 1; abbrev_ptr += 1;
if (cur_abbrev->tag == DW_TAG_namespace)
cu->has_namespace_info = 1;
/* now read in declarations */ /* now read in declarations */
abbrev_name = read_unsigned_leb128 (abfd, abbrev_ptr, &bytes_read); abbrev_name = read_unsigned_leb128 (abfd, abbrev_ptr, &bytes_read);
abbrev_ptr += bytes_read; abbrev_ptr += bytes_read;
@ -9361,16 +9348,6 @@ dwarf2_read_abbrevs (struct dwarf2_cu *cu)
* sizeof (struct attr_abbrev))); * 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].name = abbrev_name;
cur_attrs[cur_abbrev->num_attrs++].form = abbrev_form; cur_attrs[cur_abbrev->num_attrs++].form = abbrev_form;
abbrev_name = read_unsigned_leb128 (abfd, abbrev_ptr, &bytes_read); 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 /* If there is no parent die to provide a namespace, and there are
children, see if we can determine the namespace from their linkage children, see if we can determine the namespace from their linkage
name. name. */
NOTE: We need to do this even if cu->has_namespace_info != 0.
gcc-4.5 -gdwarf-4 can drop the enclosing namespace. */
if (cu->language == language_cplus if (cu->language == language_cplus
&& !VEC_empty (dwarf2_section_info_def, dwarf2_per_objfile->types) && !VEC_empty (dwarf2_section_info_def, dwarf2_per_objfile->types)
&& part_die->die_parent == NULL && part_die->die_parent == NULL