Handle gnu pubtypes sections:

a) Make sure we are emitting the correct section in our section labels
when we begin the module.
b) Make sure we are emitting the correct pubtypes section in the
presence of gnu pubtypes.
c) For C++ struct, union, class, and enumeration types are default
external.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@191225 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eric Christopher 2013-09-23 20:55:35 +00:00
parent a4ae405c1f
commit cdeaae4f75
2 changed files with 15 additions and 6 deletions

View File

@ -1966,12 +1966,12 @@ void DwarfDebug::emitSectionLabels() {
DwarfLineSectionSym =
emitSectionSym(Asm, TLOF.getDwarfLineSection(), "section_line");
emitSectionSym(Asm, TLOF.getDwarfLocSection());
if (HasDwarfPubSections) {
emitSectionSym(Asm, TLOF.getDwarfPubNamesSection());
emitSectionSym(Asm, TLOF.getDwarfPubTypesSection());
} else if (GenerateGnuPubSections) {
if (GenerateGnuPubSections) {
emitSectionSym(Asm, TLOF.getDwarfGnuPubNamesSection());
emitSectionSym(Asm, TLOF.getDwarfGnuPubTypesSection());
} else if (HasDwarfPubSections) {
emitSectionSym(Asm, TLOF.getDwarfPubNamesSection());
emitSectionSym(Asm, TLOF.getDwarfPubTypesSection());
}
DwarfStrSectionSym =
@ -2358,6 +2358,10 @@ static dwarf::PubIndexEntryDescriptor computeIndexValue(CompileUnit *CU,
case dwarf::DW_TAG_structure_type:
case dwarf::DW_TAG_union_type:
case dwarf::DW_TAG_enumeration_type:
return dwarf::PubIndexEntryDescriptor(
dwarf::GIEK_TYPE, CU->getLanguage() != dwarf::DW_LANG_C_plus_plus
? dwarf::GIEL_STATIC
: dwarf::GIEL_EXTERNAL);
case dwarf::DW_TAG_typedef:
case dwarf::DW_TAG_base_type:
case dwarf::DW_TAG_subrange_type:
@ -2446,7 +2450,9 @@ void DwarfDebug::emitDebugPubNames(bool GnuStyle) {
void DwarfDebug::emitDebugPubTypes(bool GnuStyle) {
const MCSection *ISec = Asm->getObjFileLowering().getDwarfInfoSection();
const MCSection *PSec = Asm->getObjFileLowering().getDwarfPubTypesSection();
const MCSection *PSec =
GnuStyle ? Asm->getObjFileLowering().getDwarfGnuPubTypesSection()
: Asm->getObjFileLowering().getDwarfPubTypesSection();
for (DenseMap<const MDNode *, CompileUnit *>::iterator I = CUMap.begin(),
E = CUMap.end();

View File

@ -33,9 +33,12 @@
; int global_namespace_variable = 1;
; }
; ASM: .section .debug_gnu_pubnames
; ASM: .byte 32 # Kind: VARIABLE, EXTERNAL
; ASM: .section .debug_gnu_pubtypes
; ASM: .byte 16 # Kind: TYPE, EXTERNAL
; CHECK: .debug_info contents:
; CHECK: 0x00000046: DW_TAG_subprogram
; CHECK-NEXT: DW_AT_MIPS_linkage_name