#define DEBUG_TYPE "dwarf"
typedef DWARFDebugLine::LineTable DWARFLineTable;
+typedef DILineInfoSpecifier::FileLineInfoKind FileLineInfoKind;
+typedef DILineInfoSpecifier::FunctionNameKind FunctionNameKind;
static void dumpPubSection(raw_ostream &OS, StringRef Name, StringRef Data,
bool LittleEndian, bool GnuStyle) {
if ((DumpType == DIDT_All || DumpType == DIDT_Types) && getNumTypeUnits()) {
OS << "\n.debug_types contents:\n";
- for (const auto &TU : type_units())
- TU->dump(OS);
+ for (const auto &TUS : type_unit_sections())
+ for (const auto &TU : TUS)
+ TU->dump(OS);
}
if ((DumpType == DIDT_All || DumpType == DIDT_TypesDwo) &&
getNumDWOTypeUnits()) {
OS << "\n.debug_types.dwo contents:\n";
- for (const auto &DWOTU : dwo_type_units())
- DWOTU->dump(OS);
+ for (const auto &DWOTUS : dwo_type_unit_sections())
+ for (const auto &DWOTU : DWOTUS)
+ DWOTU->dump(OS);
}
if (DumpType == DIDT_All || DumpType == DIDT_Loc) {
if (stmtOffset != -1U) {
DataExtractor lineData(getLineSection().Data, isLittleEndian(),
savedAddressByteSize);
- DWARFDebugLine::DumpingState state(OS);
- DWARFDebugLine::parseStatementTable(lineData, &getLineSection().Relocs, &stmtOffset, state);
+ DWARFDebugLine::LineTable LineTable;
+ LineTable.parse(lineData, &getLineSection().Relocs, &stmtOffset);
+ LineTable.dump(OS);
}
}
}
unsigned stmtOffset = 0;
DataExtractor lineData(getLineDWOSection().Data, isLittleEndian(),
savedAddressByteSize);
- DWARFDebugLine::DumpingState state(OS);
- while (DWARFDebugLine::parsePrologue(lineData, &stmtOffset, &state.Prologue))
- state.finalize();
+ DWARFDebugLine::LineTable LineTable;
+ while (LineTable.Prologue.parse(lineData, &stmtOffset)) {
+ LineTable.dump(OS);
+ LineTable.clear();
+ }
}
if (DumpType == DIDT_All || DumpType == DIDT_Str) {
}
const DWARFLineTable *
-DWARFContext::getLineTableForCompileUnit(DWARFCompileUnit *cu) {
+DWARFContext::getLineTableForUnit(DWARFUnit *cu) {
if (!Line)
Line.reset(new DWARFDebugLine(&getLineSection().Relocs));
}
void DWARFContext::parseCompileUnits() {
- if (!CUs.empty())
- return;
- uint32_t offset = 0;
- const DataExtractor &DIData = DataExtractor(getInfoSection().Data,
- isLittleEndian(), 0);
- while (DIData.isValidOffset(offset)) {
- std::unique_ptr<DWARFCompileUnit> CU(new DWARFCompileUnit(
- getDebugAbbrev(), getInfoSection().Data, getRangeSection(),
- getStringSection(), StringRef(), getAddrSection(),
- &getInfoSection().Relocs, isLittleEndian()));
- if (!CU->extract(DIData, &offset)) {
- break;
- }
- CUs.push_back(std::move(CU));
- offset = CUs.back()->getNextUnitOffset();
- }
+ CUs.parse(*this, getInfoSection());
}
void DWARFContext::parseTypeUnits() {
if (!TUs.empty())
return;
for (const auto &I : getTypesSections()) {
- uint32_t offset = 0;
- const DataExtractor &DIData =
- DataExtractor(I.second.Data, isLittleEndian(), 0);
- while (DIData.isValidOffset(offset)) {
- std::unique_ptr<DWARFTypeUnit> TU(
- new DWARFTypeUnit(getDebugAbbrev(), I.second.Data, getRangeSection(),
- getStringSection(), StringRef(), getAddrSection(),
- &I.second.Relocs, isLittleEndian()));
- if (!TU->extract(DIData, &offset))
- break;
- TUs.push_back(std::move(TU));
- offset = TUs.back()->getNextUnitOffset();
- }
+ TUs.push_back(DWARFUnitSection<DWARFTypeUnit>());
+ TUs.back().parse(*this, I.second);
}
}
void DWARFContext::parseDWOCompileUnits() {
- if (!DWOCUs.empty())
- return;
- uint32_t offset = 0;
- const DataExtractor &DIData =
- DataExtractor(getInfoDWOSection().Data, isLittleEndian(), 0);
- while (DIData.isValidOffset(offset)) {
- std::unique_ptr<DWARFCompileUnit> DWOCU(new DWARFCompileUnit(
- getDebugAbbrevDWO(), getInfoDWOSection().Data, getRangeDWOSection(),
- getStringDWOSection(), getStringOffsetDWOSection(), getAddrSection(),
- &getInfoDWOSection().Relocs, isLittleEndian()));
- if (!DWOCU->extract(DIData, &offset)) {
- break;
- }
- DWOCUs.push_back(std::move(DWOCU));
- offset = DWOCUs.back()->getNextUnitOffset();
- }
+ DWOCUs.parseDWO(*this, getInfoDWOSection());
}
void DWARFContext::parseDWOTypeUnits() {
if (!DWOTUs.empty())
return;
for (const auto &I : getTypesDWOSections()) {
- uint32_t offset = 0;
- const DataExtractor &DIData =
- DataExtractor(I.second.Data, isLittleEndian(), 0);
- while (DIData.isValidOffset(offset)) {
- std::unique_ptr<DWARFTypeUnit> TU(new DWARFTypeUnit(
- getDebugAbbrevDWO(), I.second.Data, getRangeDWOSection(),
- getStringDWOSection(), getStringOffsetDWOSection(), getAddrSection(),
- &I.second.Relocs, isLittleEndian()));
- if (!TU->extract(DIData, &offset))
- break;
- DWOTUs.push_back(std::move(TU));
- offset = DWOTUs.back()->getNextUnitOffset();
- }
+ DWOTUs.push_back(DWARFUnitSection<DWARFTypeUnit>());
+ DWOTUs.back().parseDWO(*this, I.second);
}
}
-namespace {
- struct OffsetComparator {
-
- bool operator()(const std::unique_ptr<DWARFCompileUnit> &LHS,
- const std::unique_ptr<DWARFCompileUnit> &RHS) const {
- return LHS->getOffset() < RHS->getOffset();
- }
- bool operator()(const std::unique_ptr<DWARFCompileUnit> &LHS,
- uint32_t RHS) const {
- return LHS->getOffset() < RHS;
- }
- bool operator()(uint32_t LHS,
- const std::unique_ptr<DWARFCompileUnit> &RHS) const {
- return LHS < RHS->getOffset();
- }
- };
-}
-
DWARFCompileUnit *DWARFContext::getCompileUnitForOffset(uint32_t Offset) {
parseCompileUnits();
-
- std::unique_ptr<DWARFCompileUnit> *CU =
- std::lower_bound(CUs.begin(), CUs.end(), Offset, OffsetComparator());
- if (CU != CUs.end()) {
- return CU->get();
- }
- return nullptr;
+ return CUs.getUnitForOffset(Offset);
}
DWARFCompileUnit *DWARFContext::getCompileUnitForAddress(uint64_t Address) {
return getCompileUnitForOffset(CUOffset);
}
-static bool getFileNameForCompileUnit(DWARFCompileUnit *CU,
- const DWARFLineTable *LineTable,
- uint64_t FileIndex,
- bool NeedsAbsoluteFilePath,
- std::string &FileName) {
- if (!CU || !LineTable ||
- !LineTable->getFileNameByIndex(FileIndex, NeedsAbsoluteFilePath,
- FileName))
- return false;
- if (NeedsAbsoluteFilePath && sys::path::is_relative(FileName)) {
- // We may still need to append compilation directory of compile unit.
- SmallString<16> AbsolutePath;
- if (const char *CompilationDir = CU->getCompilationDir()) {
- sys::path::append(AbsolutePath, CompilationDir);
- }
- sys::path::append(AbsolutePath, FileName);
- FileName = AbsolutePath.str();
- }
- return true;
-}
-
-static bool getFileLineInfoForCompileUnit(DWARFCompileUnit *CU,
- const DWARFLineTable *LineTable,
- uint64_t Address,
- bool NeedsAbsoluteFilePath,
- DILineInfo &Result) {
- if (!CU || !LineTable)
- return false;
- // Get the index of row we're looking for in the line table.
- uint32_t RowIndex = LineTable->lookupAddress(Address);
- if (RowIndex == -1U)
- return false;
- // Take file number and line/column from the row.
- const DWARFDebugLine::Row &Row = LineTable->Rows[RowIndex];
- if (!getFileNameForCompileUnit(CU, LineTable, Row.File, NeedsAbsoluteFilePath,
- Result.FileName))
- return false;
- Result.Line = Row.Line;
- Result.Column = Row.Column;
- return true;
-}
-
static bool getFunctionNameForAddress(DWARFCompileUnit *CU, uint64_t Address,
+ FunctionNameKind Kind,
std::string &FunctionName) {
+ if (Kind == FunctionNameKind::None)
+ return false;
// The address may correspond to instruction in some inlined function,
// so we have to build the chain of inlined functions and take the
// name of the topmost function in it.
if (InlinedChain.DIEs.size() == 0)
return false;
const DWARFDebugInfoEntryMinimal &TopFunctionDIE = InlinedChain.DIEs[0];
- if (const char *Name = TopFunctionDIE.getSubroutineName(InlinedChain.U)) {
+ if (const char *Name =
+ TopFunctionDIE.getSubroutineName(InlinedChain.U, Kind)) {
FunctionName = Name;
return true;
}
}
DILineInfo DWARFContext::getLineInfoForAddress(uint64_t Address,
- DILineInfoSpecifier Specifier) {
+ DILineInfoSpecifier Spec) {
DILineInfo Result;
DWARFCompileUnit *CU = getCompileUnitForAddress(Address);
if (!CU)
return Result;
- if (Specifier.needs(DILineInfoSpecifier::FunctionName)) {
- getFunctionNameForAddress(CU, Address, Result.FunctionName);
- }
- if (Specifier.needs(DILineInfoSpecifier::FileLineInfo)) {
- const DWARFLineTable *LineTable = getLineTableForCompileUnit(CU);
- const bool NeedsAbsoluteFilePath =
- Specifier.needs(DILineInfoSpecifier::AbsoluteFilePath);
- getFileLineInfoForCompileUnit(CU, LineTable, Address, NeedsAbsoluteFilePath,
- Result);
+ getFunctionNameForAddress(CU, Address, Spec.FNKind, Result.FunctionName);
+ if (Spec.FLIKind != FileLineInfoKind::None) {
+ if (const DWARFLineTable *LineTable = getLineTableForUnit(CU))
+ LineTable->getFileLineInfoForAddress(Address, CU->getCompilationDir(),
+ Spec.FLIKind, Result);
}
return Result;
}
-DILineInfoTable DWARFContext::getLineInfoForAddressRange(uint64_t Address,
- uint64_t Size,
- DILineInfoSpecifier Specifier) {
+DILineInfoTable
+DWARFContext::getLineInfoForAddressRange(uint64_t Address, uint64_t Size,
+ DILineInfoSpecifier Spec) {
DILineInfoTable Lines;
DWARFCompileUnit *CU = getCompileUnitForAddress(Address);
if (!CU)
return Lines;
std::string FunctionName = "<invalid>";
- if (Specifier.needs(DILineInfoSpecifier::FunctionName)) {
- getFunctionNameForAddress(CU, Address, FunctionName);
- }
+ getFunctionNameForAddress(CU, Address, Spec.FNKind, FunctionName);
// If the Specifier says we don't need FileLineInfo, just
// return the top-most function at the starting address.
- if (!Specifier.needs(DILineInfoSpecifier::FileLineInfo)) {
+ if (Spec.FLIKind == FileLineInfoKind::None) {
DILineInfo Result;
Result.FunctionName = FunctionName;
Lines.push_back(std::make_pair(Address, Result));
return Lines;
}
- const DWARFLineTable *LineTable = getLineTableForCompileUnit(CU);
- const bool NeedsAbsoluteFilePath =
- Specifier.needs(DILineInfoSpecifier::AbsoluteFilePath);
+ const DWARFLineTable *LineTable = getLineTableForUnit(CU);
// Get the index of row we're looking for in the line table.
std::vector<uint32_t> RowVector;
// Take file number and line/column from the row.
const DWARFDebugLine::Row &Row = LineTable->Rows[RowIndex];
DILineInfo Result;
- getFileNameForCompileUnit(CU, LineTable, Row.File, NeedsAbsoluteFilePath,
- Result.FileName);
+ LineTable->getFileNameByIndex(Row.File, CU->getCompilationDir(),
+ Spec.FLIKind, Result.FileName);
Result.FunctionName = FunctionName;
Result.Line = Row.Line;
Result.Column = Row.Column;
return Lines;
}
-DIInliningInfo DWARFContext::getInliningInfoForAddress(uint64_t Address,
- DILineInfoSpecifier Specifier) {
+DIInliningInfo
+DWARFContext::getInliningInfoForAddress(uint64_t Address,
+ DILineInfoSpecifier Spec) {
DIInliningInfo InliningInfo;
DWARFCompileUnit *CU = getCompileUnitForAddress(Address);
return InliningInfo;
const DWARFLineTable *LineTable = nullptr;
- const bool NeedsAbsoluteFilePath =
- Specifier.needs(DILineInfoSpecifier::AbsoluteFilePath);
const DWARFDebugInfoEntryInlinedChain &InlinedChain =
CU->getInlinedChainForAddress(Address);
if (InlinedChain.DIEs.size() == 0) {
// If there is no DIE for address (e.g. it is in unavailable .dwo file),
// try to at least get file/line info from symbol table.
- if (Specifier.needs(DILineInfoSpecifier::FileLineInfo)) {
+ if (Spec.FLIKind != FileLineInfoKind::None) {
DILineInfo Frame;
- LineTable = getLineTableForCompileUnit(CU);
- if (getFileLineInfoForCompileUnit(CU, LineTable, Address,
- NeedsAbsoluteFilePath, Frame)) {
+ LineTable = getLineTableForUnit(CU);
+ if (LineTable &&
+ LineTable->getFileLineInfoForAddress(Address, CU->getCompilationDir(),
+ Spec.FLIKind, Frame))
InliningInfo.addFrame(Frame);
- }
}
return InliningInfo;
}
const DWARFDebugInfoEntryMinimal &FunctionDIE = InlinedChain.DIEs[i];
DILineInfo Frame;
// Get function name if necessary.
- if (Specifier.needs(DILineInfoSpecifier::FunctionName)) {
- if (const char *Name = FunctionDIE.getSubroutineName(InlinedChain.U))
- Frame.FunctionName = Name;
- }
- if (Specifier.needs(DILineInfoSpecifier::FileLineInfo)) {
+ if (const char *Name =
+ FunctionDIE.getSubroutineName(InlinedChain.U, Spec.FNKind))
+ Frame.FunctionName = Name;
+ if (Spec.FLIKind != FileLineInfoKind::None) {
if (i == 0) {
// For the topmost frame, initialize the line table of this
// compile unit and fetch file/line info from it.
- LineTable = getLineTableForCompileUnit(CU);
+ LineTable = getLineTableForUnit(CU);
// For the topmost routine, get file/line info from line table.
- getFileLineInfoForCompileUnit(CU, LineTable, Address,
- NeedsAbsoluteFilePath, Frame);
+ if (LineTable)
+ LineTable->getFileLineInfoForAddress(Address, CU->getCompilationDir(),
+ Spec.FLIKind, Frame);
} else {
// Otherwise, use call file, call line and call column from
// previous DIE in inlined chain.
- getFileNameForCompileUnit(CU, LineTable, CallFile,
- NeedsAbsoluteFilePath, Frame.FileName);
+ if (LineTable)
+ LineTable->getFileNameByIndex(CallFile, CU->getCompilationDir(),
+ Spec.FLIKind, Frame.FileName);
Frame.Line = CallLine;
Frame.Column = CallColumn;
}
return true;
}
-DWARFContextInMemory::DWARFContextInMemory(object::ObjectFile *Obj)
- : IsLittleEndian(Obj->isLittleEndian()),
- AddressSize(Obj->getBytesInAddress()) {
- for (const SectionRef &Section : Obj->sections()) {
+DWARFContextInMemory::DWARFContextInMemory(object::ObjectFile &Obj)
+ : IsLittleEndian(Obj.isLittleEndian()),
+ AddressSize(Obj.getBytesInAddress()) {
+ for (const SectionRef &Section : Obj.sections()) {
StringRef name;
Section.getName(name);
+ // Skip BSS and Virtual sections, they aren't interesting.
+ bool IsBSS;
+ Section.isBSS(IsBSS);
+ if (IsBSS)
+ continue;
+ bool IsVirtual;
+ Section.isVirtual(IsVirtual);
+ if (IsVirtual)
+ continue;
StringRef data;
Section.getContents(data);
}
section_iterator RelocatedSection = Section.getRelocatedSection();
- if (RelocatedSection == Obj->section_end())
+ if (RelocatedSection == Obj.section_end())
continue;
StringRef RelSecName;
Reloc.getType(Type);
uint64_t SymAddr = 0;
// ELF relocations may need the symbol address
- if (Obj->isELF()) {
+ if (Obj.isELF()) {
object::symbol_iterator Sym = Reloc.getSymbol();
Sym->getAddress(SymAddr);
}
- object::RelocVisitor V(Obj->getFileFormatName());
+ object::RelocVisitor V(Obj);
// The section address is always 0 for debug sections.
object::RelocToApply R(V.visit(Type, Reloc, 0, SymAddr));
if (V.error()) {
SmallString<32> Name;
- error_code ec(Reloc.getTypeName(Name));
+ std::error_code ec(Reloc.getTypeName(Name));
if (ec) {
errs() << "Aaaaaa! Nameless relocation! Aaaaaa!\n";
}
projects / oota-llvm.git / blobdiff