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DwarfUnit: Provide a reference to a defining DwarfCompileUnit from DwarfTypeUnit.

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Type units need to insert their file strings into the compile unit's
line/file table. This is preliminary work to that end.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@201196 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
David Blaikie
2014-02-12 00:31:30 +00:00
parent a22a1bb8c1
commit c6c93e96e9
4 changed files with 26 additions and 14 deletions
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16
lib/CodeGen/AsmPrinter/DwarfDebug.cpp
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@ -2965,11 +2965,11 @@ DwarfCompileUnit *DwarfDebug::constructSkeletonCU(const DwarfCompileUnit *CU) {
// This DIE has the following attributes: DW_AT_comp_dir, DW_AT_dwo_name,
// DW_AT_addr_base.
DwarfTypeUnit *DwarfDebug::constructSkeletonTU(const DwarfTypeUnit *TU) {
DwarfTypeUnit *DwarfDebug::constructSkeletonTU(DwarfTypeUnit *TU) {
DIE *Die = new DIE(dwarf::DW_TAG_type_unit);
DwarfTypeUnit *NewTU = new DwarfTypeUnit(
TU->getUniqueID(), Die, TU->getCUNode(), Asm, this, &SkeletonHolder);
TU->getUniqueID(), Die, TU->getCU(), Asm, this, &SkeletonHolder);
NewTU->setTypeSignature(TU->getTypeSignature());
NewTU->setType(NULL);
NewTU->initSection(
@ -3007,29 +3007,29 @@ void DwarfDebug::emitDebugStrDWO() {
OffSec, StrSym);
}
void DwarfDebug::addDwarfTypeUnitType(DICompileUnit CUNode,
void DwarfDebug::addDwarfTypeUnitType(DwarfCompileUnit &CU,
StringRef Identifier, DIE *RefDie,
DICompositeType CTy) {
// Flag the type unit reference as a declaration so that if it contains
// members (implicit special members, static data member definitions, member
// declarations for definitions in this CU, etc) consumers don't get confused
// and think this is a full definition.
CUMap.begin()->second->addFlag(RefDie, dwarf::DW_AT_declaration);
CU.addFlag(RefDie, dwarf::DW_AT_declaration);
const DwarfTypeUnit *&TU = DwarfTypeUnits[CTy];
if (TU) {
CUMap.begin()->second->addDIETypeSignature(RefDie, *TU);
CU.addDIETypeSignature(RefDie, *TU);
return;
}
DIE *UnitDie = new DIE(dwarf::DW_TAG_type_unit);
DwarfTypeUnit *NewTU = new DwarfTypeUnit(
InfoHolder.getUnits().size(), UnitDie, CUNode, Asm, this, &InfoHolder);
InfoHolder.getUnits().size(), UnitDie, CU, Asm, this, &InfoHolder);
TU = NewTU;
InfoHolder.addUnit(NewTU);
NewTU->addUInt(UnitDie, dwarf::DW_AT_language, dwarf::DW_FORM_data2,
CUNode.getLanguage());
CU.getLanguage());
MD5 Hash;
Hash.update(Identifier);
@ -3050,5 +3050,5 @@ void DwarfDebug::addDwarfTypeUnitType(DICompileUnit CUNode,
? Asm->getObjFileLowering().getDwarfTypesDWOSection(Signature)
: Asm->getObjFileLowering().getDwarfTypesSection(Signature));
CUMap.begin()->second->addDIETypeSignature(RefDie, *NewTU);
CU.addDIETypeSignature(RefDie, *NewTU);
}