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Make DWARFCompileUnit non-copyable

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Summary:
This is a part of D1164. DWARFCompileUnit is not that lightweight
to copy it around, and we want it to own corresponding .dwo compile unit
eventually.

Reviewers: echristo

Reviewed By: echristo

CC: llvm-commits

Differential Revision: http://llvm-reviews.chandlerc.com/D1298

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189089 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Alexey Samsonov
2013-08-23 06:56:01 +00:00
parent 1f2c399bdb
commit eb0c179b56
3 changed files with 40 additions and 37 deletions
Download Patch File Download Diff File Expand all files Collapse all files

65
lib/DebugInfo/DWARFContext.cpp
View File

@@ -23,6 +23,11 @@ using namespace object;
typedef DWARFDebugLine::LineTable DWARFLineTable;
DWARFContext::~DWARFContext() {
DeleteContainerPointers(CUs);
DeleteContainerPointers(DWOCUs);
}
void DWARFContext::dump(raw_ostream &OS, DIDumpType DumpType) {
if (DumpType == DIDT_All || DumpType == DIDT_Abbrev) {
OS << ".debug_abbrev contents:\n";
@@ -249,18 +254,15 @@ void DWARFContext::parseCompileUnits() {
const DataExtractor &DIData = DataExtractor(getInfoSection(),
isLittleEndian(), 0);
while (DIData.isValidOffset(offset)) {
CUs.push_back(DWARFCompileUnit(getDebugAbbrev(), getInfoSection(),
getAbbrevSection(), getRangeSection(),
getStringSection(), StringRef(),
getAddrSection(),
&infoRelocMap(),
isLittleEndian()));
if (!CUs.back().extract(DIData, &offset)) {
CUs.pop_back();
OwningPtr<DWARFCompileUnit> CU(new DWARFCompileUnit(
getDebugAbbrev(), getInfoSection(), getAbbrevSection(),
getRangeSection(), getStringSection(), StringRef(), getAddrSection(),
&infoRelocMap(), isLittleEndian()));
if (!CU->extract(DIData, &offset)) {
break;
}
offset = CUs.back().getNextCompileUnitOffset();
CUs.push_back(CU.take());
offset = CUs.back()->getNextCompileUnitOffset();
}
}
@@ -269,34 +271,30 @@ void DWARFContext::parseDWOCompileUnits() {
const DataExtractor &DIData = DataExtractor(getInfoDWOSection(),
isLittleEndian(), 0);
while (DIData.isValidOffset(offset)) {
DWOCUs.push_back(DWARFCompileUnit(getDebugAbbrevDWO(), getInfoDWOSection(),
getAbbrevDWOSection(),
getRangeDWOSection(),
getStringDWOSection(),
getStringOffsetDWOSection(),
getAddrSection(),
&infoDWORelocMap(),
isLittleEndian()));
if (!DWOCUs.back().extract(DIData, &offset)) {
DWOCUs.pop_back();
OwningPtr<DWARFCompileUnit> DWOCU(new DWARFCompileUnit(
getDebugAbbrevDWO(), getInfoDWOSection(), getAbbrevDWOSection(),
getRangeDWOSection(), getStringDWOSection(),
getStringOffsetDWOSection(), getAddrSection(), &infoDWORelocMap(),
isLittleEndian()));
if (!DWOCU->extract(DIData, &offset)) {
break;
}
offset = DWOCUs.back().getNextCompileUnitOffset();
DWOCUs.push_back(DWOCU.take());
offset = DWOCUs.back()->getNextCompileUnitOffset();
}
}
namespace {
struct OffsetComparator {
bool operator()(const DWARFCompileUnit &LHS,
const DWARFCompileUnit &RHS) const {
return LHS.getOffset() < RHS.getOffset();
bool operator()(const DWARFCompileUnit *LHS,
const DWARFCompileUnit *RHS) const {
return LHS->getOffset() < RHS->getOffset();
}
bool operator()(const DWARFCompileUnit &LHS, uint32_t RHS) const {
return LHS.getOffset() < RHS;
bool operator()(const DWARFCompileUnit *LHS, uint32_t RHS) const {
return LHS->getOffset() < RHS;
}
bool operator()(uint32_t LHS, const DWARFCompileUnit &RHS) const {
return LHS < RHS.getOffset();
bool operator()(uint32_t LHS, const DWARFCompileUnit *RHS) const {
return LHS < RHS->getOffset();
}
};
}
@@ -305,10 +303,11 @@ DWARFCompileUnit *DWARFContext::getCompileUnitForOffset(uint32_t Offset) {
if (CUs.empty())
parseCompileUnits();
DWARFCompileUnit *CU = std::lower_bound(CUs.begin(), CUs.end(), Offset,
OffsetComparator());
if (CU != CUs.end())
return &*CU;
DWARFCompileUnit **CU =
std::lower_bound(CUs.begin(), CUs.end(), Offset, OffsetComparator());
if (CU != CUs.end()) {
return *CU;
}
return 0;
}