//===----------------------------------------------------------------------===//
#include "DWARFContext.h"
+#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/ADT/StringSwitch.h"
-#include "llvm/ADT/STLExtras.h"
#include "llvm/Support/Compression.h"
#include "llvm/Support/Dwarf.h"
#include "llvm/Support/Format.h"
DWARFContext::~DWARFContext() {
DeleteContainerPointers(CUs);
+ DeleteContainerPointers(TUs);
DeleteContainerPointers(DWOCUs);
+ DeleteContainerPointers(DWOTUs);
+}
+
+static void dumpPubSection(raw_ostream &OS, StringRef Name, StringRef Data,
+ bool LittleEndian, bool GnuStyle) {
+ OS << "\n." << Name << " contents:\n";
+ DataExtractor pubNames(Data, LittleEndian, 0);
+ uint32_t offset = 0;
+ while (pubNames.isValidOffset(offset)) {
+ OS << "length = " << format("0x%08x", pubNames.getU32(&offset));
+ OS << " version = " << format("0x%04x", pubNames.getU16(&offset));
+ OS << " unit_offset = " << format("0x%08x", pubNames.getU32(&offset));
+ OS << " unit_size = " << format("0x%08x", pubNames.getU32(&offset)) << '\n';
+ if (GnuStyle)
+ OS << "Offset Linkage Kind Name\n";
+ else
+ OS << "Offset Name\n";
+
+ while (offset < Data.size()) {
+ uint32_t dieRef = pubNames.getU32(&offset);
+ if (dieRef == 0)
+ break;
+ OS << format("0x%8.8x ", dieRef);
+ if (GnuStyle) {
+ PubIndexEntryDescriptor desc(pubNames.getU8(&offset));
+ OS << format("%-8s", dwarf::GDBIndexEntryLinkageString(desc.Linkage))
+ << ' ' << format("%-8s", dwarf::GDBIndexEntryKindString(desc.Kind))
+ << ' ';
+ }
+ OS << '\"' << pubNames.getCStr(&offset) << "\"\n";
+ }
+ }
}
void DWARFContext::dump(raw_ostream &OS, DIDumpType DumpType) {
getDebugAbbrev()->dump(OS);
}
+ if (DumpType == DIDT_All || DumpType == DIDT_AbbrevDwo)
+ if (const DWARFDebugAbbrev *D = getDebugAbbrevDWO()) {
+ OS << "\n.debug_abbrev.dwo contents:\n";
+ D->dump(OS);
+ }
+
if (DumpType == DIDT_All || DumpType == DIDT_Info) {
OS << "\n.debug_info contents:\n";
for (unsigned i = 0, e = getNumCompileUnits(); i != e; ++i)
getCompileUnitAtIndex(i)->dump(OS);
}
- if (DumpType == DIDT_All || DumpType == DIDT_Types) {
+ if ((DumpType == DIDT_All || DumpType == DIDT_InfoDwo) &&
+ getNumDWOCompileUnits()) {
+ OS << "\n.debug_info.dwo contents:\n";
+ for (unsigned i = 0, e = getNumDWOCompileUnits(); i != e; ++i)
+ getDWOCompileUnitAtIndex(i)->dump(OS);
+ }
+
+ if ((DumpType == DIDT_All || DumpType == DIDT_Types) && getNumTypeUnits()) {
OS << "\n.debug_types contents:\n";
for (unsigned i = 0, e = getNumTypeUnits(); i != e; ++i)
getTypeUnitAtIndex(i)->dump(OS);
}
+ if (DumpType == DIDT_All || DumpType == DIDT_TypesDwo)
+ if (getNumDWOTypeUnits()) {
+ OS << "\n.debug_types.dwo contents:\n";
+ for (unsigned i = 0, e = getNumDWOTypeUnits(); i != e; ++i)
+ getDWOTypeUnitAtIndex(i)->dump(OS);
+ }
+
if (DumpType == DIDT_All || DumpType == DIDT_Loc) {
OS << "\n.debug_loc contents:\n";
getDebugLoc()->dump(OS);
DWARFCompileUnit *cu = getCompileUnitAtIndex(i);
savedAddressByteSize = cu->getAddressByteSize();
unsigned stmtOffset =
- cu->getCompileUnitDIE()->getAttributeValueAsUnsigned(cu, DW_AT_stmt_list,
- -1U);
+ cu->getCompileUnitDIE()->getAttributeValueAsSectionOffset(
+ cu, DW_AT_stmt_list, -1U);
if (stmtOffset != -1U) {
DataExtractor lineData(getLineSection().Data, isLittleEndian(),
savedAddressByteSize);
}
}
+ if (DumpType == DIDT_All || DumpType == DIDT_LineDwo) {
+ OS << "\n.debug_line.dwo contents:\n";
+ unsigned stmtOffset = 0;
+ DataExtractor lineData(getLineDWOSection().Data, isLittleEndian(),
+ savedAddressByteSize);
+ DWARFDebugLine::DumpingState state(OS);
+ while (DWARFDebugLine::parsePrologue(lineData, &stmtOffset, &state.Prologue))
+ state.finalize();
+ }
+
if (DumpType == DIDT_All || DumpType == DIDT_Str) {
OS << "\n.debug_str contents:\n";
DataExtractor strData(getStringSection(), isLittleEndian(), 0);
}
}
+ if ((DumpType == DIDT_All || DumpType == DIDT_StrDwo) &&
+ !getStringDWOSection().empty()) {
+ OS << "\n.debug_str.dwo contents:\n";
+ DataExtractor strDWOData(getStringDWOSection(), isLittleEndian(), 0);
+ offset = 0;
+ uint32_t strDWOOffset = 0;
+ while (const char *s = strDWOData.getCStr(&offset)) {
+ OS << format("0x%8.8x: \"%s\"\n", strDWOOffset, s);
+ strDWOOffset = offset;
+ }
+ }
+
if (DumpType == DIDT_All || DumpType == DIDT_Ranges) {
OS << "\n.debug_ranges contents:\n";
// In fact, different compile units may have different address byte
rangeList.dump(OS);
}
- if (DumpType == DIDT_All || DumpType == DIDT_Pubnames) {
- OS << "\n.debug_pubnames contents:\n";
- DataExtractor pubNames(getPubNamesSection(), isLittleEndian(), 0);
- offset = 0;
- OS << "Length: " << pubNames.getU32(&offset) << "\n";
- OS << "Version: " << pubNames.getU16(&offset) << "\n";
- OS << "Offset in .debug_info: " << pubNames.getU32(&offset) << "\n";
- OS << "Size: " << pubNames.getU32(&offset) << "\n";
- OS << "\n Offset Name\n";
- while (offset < getPubNamesSection().size()) {
- uint32_t n = pubNames.getU32(&offset);
- if (n == 0)
- break;
- OS << format("%8x ", n);
- OS << pubNames.getCStr(&offset) << "\n";
- }
- }
-
- if (DumpType == DIDT_All || DumpType == DIDT_GnuPubnames) {
- OS << "\n.debug_gnu_pubnames contents:\n";
- DataExtractor pubNames(getGnuPubNamesSection(), isLittleEndian(), 0);
- offset = 0;
- OS << "Length: " << pubNames.getU32(&offset) << "\n";
- OS << "Version: " << pubNames.getU16(&offset) << "\n";
- OS << "Offset in .debug_info: " << pubNames.getU32(&offset) << "\n";
- OS << "Size: " << pubNames.getU32(&offset) << "\n";
- OS << "Offset Linkage Kind Name\n";
- while (offset < getGnuPubNamesSection().size()) {
- uint32_t dieRef = pubNames.getU32(&offset);
- if (dieRef == 0)
- break;
- PubIndexEntryDescriptor desc(pubNames.getU8(&offset));
- OS << format("0x%8.8x ", dieRef)
- << format("%-8s", dwarf::GDBIndexEntryLinkageString(desc.Linkage))
- << ' ' << format("%-8s", dwarf::GDBIndexEntryKindString(desc.Kind))
- << " \"" << pubNames.getCStr(&offset) << "\"\n";
- }
- }
+ if (DumpType == DIDT_All || DumpType == DIDT_Pubnames)
+ dumpPubSection(OS, "debug_pubnames", getPubNamesSection(),
+ isLittleEndian(), false);
- if (DumpType == DIDT_All || DumpType == DIDT_AbbrevDwo) {
- const DWARFDebugAbbrev *D = getDebugAbbrevDWO();
- if (D) {
- OS << "\n.debug_abbrev.dwo contents:\n";
- getDebugAbbrevDWO()->dump(OS);
- }
- }
+ if (DumpType == DIDT_All || DumpType == DIDT_Pubtypes)
+ dumpPubSection(OS, "debug_pubtypes", getPubTypesSection(),
+ isLittleEndian(), false);
- if (DumpType == DIDT_All || DumpType == DIDT_InfoDwo)
- if (getNumDWOCompileUnits()) {
- OS << "\n.debug_info.dwo contents:\n";
- for (unsigned i = 0, e = getNumDWOCompileUnits(); i != e; ++i)
- getDWOCompileUnitAtIndex(i)->dump(OS);
- }
+ if (DumpType == DIDT_All || DumpType == DIDT_GnuPubnames)
+ dumpPubSection(OS, "debug_gnu_pubnames", getGnuPubNamesSection(),
+ isLittleEndian(), true /* GnuStyle */);
- if (DumpType == DIDT_All || DumpType == DIDT_StrDwo)
- if (!getStringDWOSection().empty()) {
- OS << "\n.debug_str.dwo contents:\n";
- DataExtractor strDWOData(getStringDWOSection(), isLittleEndian(), 0);
- offset = 0;
- uint32_t strDWOOffset = 0;
- while (const char *s = strDWOData.getCStr(&offset)) {
- OS << format("0x%8.8x: \"%s\"\n", strDWOOffset, s);
- strDWOOffset = offset;
- }
- }
+ if (DumpType == DIDT_All || DumpType == DIDT_GnuPubtypes)
+ dumpPubSection(OS, "debug_gnu_pubtypes", getGnuPubTypesSection(),
+ isLittleEndian(), true /* GnuStyle */);
- if (DumpType == DIDT_All || DumpType == DIDT_StrOffsetsDwo)
- if (!getStringOffsetDWOSection().empty()) {
- OS << "\n.debug_str_offsets.dwo contents:\n";
- DataExtractor strOffsetExt(getStringOffsetDWOSection(), isLittleEndian(), 0);
- offset = 0;
- uint64_t size = getStringOffsetDWOSection().size();
- while (offset < size) {
- OS << format("0x%8.8x: ", offset);
- OS << format("%8.8x\n", strOffsetExt.getU32(&offset));
- }
+ if ((DumpType == DIDT_All || DumpType == DIDT_StrOffsetsDwo) &&
+ !getStringOffsetDWOSection().empty()) {
+ OS << "\n.debug_str_offsets.dwo contents:\n";
+ DataExtractor strOffsetExt(getStringOffsetDWOSection(), isLittleEndian(),
+ 0);
+ offset = 0;
+ uint64_t size = getStringOffsetDWOSection().size();
+ while (offset < size) {
+ OS << format("0x%8.8x: ", offset);
+ OS << format("%8.8x\n", strOffsetExt.getU32(&offset));
}
+ }
}
const DWARFDebugAbbrev *DWARFContext::getDebugAbbrev() {
if (Aranges)
return Aranges.get();
- DataExtractor arangesData(getARangeSection(), isLittleEndian(), 0);
-
Aranges.reset(new DWARFDebugAranges());
- Aranges->extract(arangesData);
- // Generate aranges from DIEs: even if .debug_aranges section is present,
- // it may describe only a small subset of compilation units, so we need to
- // manually build aranges for the rest of them.
Aranges->generate(this);
return Aranges.get();
}
Line.reset(new DWARFDebugLine(&getLineSection().Relocs));
unsigned stmtOffset =
- cu->getCompileUnitDIE()->getAttributeValueAsUnsigned(cu, DW_AT_stmt_list,
- -1U);
+ cu->getCompileUnitDIE()->getAttributeValueAsSectionOffset(
+ cu, DW_AT_stmt_list, -1U);
if (stmtOffset == -1U)
return 0; // No line table for this compile unit.
}
void DWARFContext::parseTypeUnits() {
- const std::map<object::SectionRef, Section> &Sections = getTypesSections();
- for (std::map<object::SectionRef, Section>::const_iterator
- I = Sections.begin(),
- E = Sections.end();
+ const TypeSectionMap &Sections = getTypesSections();
+ for (TypeSectionMap::const_iterator I = Sections.begin(), E = Sections.end();
I != E; ++I) {
uint32_t offset = 0;
const DataExtractor &DIData =
}
}
+void DWARFContext::parseDWOTypeUnits() {
+ const TypeSectionMap &Sections = getTypesDWOSections();
+ for (TypeSectionMap::const_iterator I = Sections.begin(), E = Sections.end();
+ I != E; ++I) {
+ uint32_t offset = 0;
+ const DataExtractor &DIData =
+ DataExtractor(I->second.Data, isLittleEndian(), 0);
+ while (DIData.isValidOffset(offset)) {
+ OwningPtr<DWARFTypeUnit> TU(new DWARFTypeUnit(
+ getDebugAbbrevDWO(), I->second.Data, getAbbrevDWOSection(),
+ getRangeDWOSection(), getStringDWOSection(),
+ getStringOffsetDWOSection(), getAddrSection(), &I->second.Relocs,
+ isLittleEndian()));
+ if (!TU->extract(DIData, &offset))
+ break;
+ DWOTUs.push_back(TU.take());
+ offset = DWOTUs.back()->getNextUnitOffset();
+ }
+ }
+}
+
namespace {
struct OffsetComparator {
bool operator()(const DWARFCompileUnit *LHS,
DWARFContextInMemory::DWARFContextInMemory(object::ObjectFile *Obj) :
IsLittleEndian(Obj->isLittleEndian()),
AddressSize(Obj->getBytesInAddress()) {
- error_code ec;
- for (object::section_iterator i = Obj->begin_sections(),
- e = Obj->end_sections();
- i != e; i.increment(ec)) {
+ for (object::section_iterator i = Obj->section_begin(),
+ e = Obj->section_end();
+ i != e; ++i) {
StringRef name;
i->getName(name);
StringRef data;
UncompressedSections.push_back(UncompressedSection.take());
}
- StringRef *Section = StringSwitch<StringRef*>(name)
- .Case("debug_info", &InfoSection.Data)
- .Case("debug_abbrev", &AbbrevSection)
- .Case("debug_loc", &LocSection.Data)
- .Case("debug_line", &LineSection.Data)
- .Case("debug_aranges", &ARangeSection)
- .Case("debug_frame", &DebugFrameSection)
- .Case("debug_str", &StringSection)
- .Case("debug_ranges", &RangeSection)
- .Case("debug_pubnames", &PubNamesSection)
- .Case("debug_gnu_pubnames", &GnuPubNamesSection)
- .Case("debug_info.dwo", &InfoDWOSection.Data)
- .Case("debug_abbrev.dwo", &AbbrevDWOSection)
- .Case("debug_str.dwo", &StringDWOSection)
- .Case("debug_str_offsets.dwo", &StringOffsetDWOSection)
- .Case("debug_addr", &AddrSection)
- // Any more debug info sections go here.
- .Default(0);
+ StringRef *Section =
+ StringSwitch<StringRef *>(name)
+ .Case("debug_info", &InfoSection.Data)
+ .Case("debug_abbrev", &AbbrevSection)
+ .Case("debug_loc", &LocSection.Data)
+ .Case("debug_line", &LineSection.Data)
+ .Case("debug_aranges", &ARangeSection)
+ .Case("debug_frame", &DebugFrameSection)
+ .Case("debug_str", &StringSection)
+ .Case("debug_ranges", &RangeSection)
+ .Case("debug_pubnames", &PubNamesSection)
+ .Case("debug_pubtypes", &PubTypesSection)
+ .Case("debug_gnu_pubnames", &GnuPubNamesSection)
+ .Case("debug_gnu_pubtypes", &GnuPubTypesSection)
+ .Case("debug_info.dwo", &InfoDWOSection.Data)
+ .Case("debug_abbrev.dwo", &AbbrevDWOSection)
+ .Case("debug_line.dwo", &LineDWOSection.Data)
+ .Case("debug_str.dwo", &StringDWOSection)
+ .Case("debug_str_offsets.dwo", &StringOffsetDWOSection)
+ .Case("debug_addr", &AddrSection)
+ // Any more debug info sections go here.
+ .Default(0);
if (Section) {
*Section = data;
if (name == "debug_ranges") {
// Find debug_types data by section rather than name as there are
// multiple, comdat grouped, debug_types sections.
TypesSections[*i].Data = data;
+ } else if (name == "debug_types.dwo") {
+ TypesDWOSections[*i].Data = data;
}
section_iterator RelocatedSection = i->getRelocatedSection();
- if (RelocatedSection == Obj->end_sections())
+ if (RelocatedSection == Obj->section_end())
continue;
StringRef RelSecName;
.Case("debug_line", &LineSection.Relocs)
.Default(0);
if (!Map) {
- if (RelSecName != "debug_types")
- continue;
// Find debug_types relocs by section rather than name as there are
// multiple, comdat grouped, debug_types sections.
- Map = &TypesSections[*RelocatedSection].Relocs;
+ if (RelSecName == "debug_types")
+ Map = &TypesSections[*RelocatedSection].Relocs;
+ else if (RelSecName == "debug_types.dwo")
+ Map = &TypesDWOSections[*RelocatedSection].Relocs;
+ else
+ continue;
}
- if (i->begin_relocations() != i->end_relocations()) {
+ if (i->relocation_begin() != i->relocation_end()) {
uint64_t SectionSize;
RelocatedSection->getSize(SectionSize);
- for (object::relocation_iterator reloc_i = i->begin_relocations(),
- reloc_e = i->end_relocations();
- reloc_i != reloc_e; reloc_i.increment(ec)) {
+ for (object::relocation_iterator reloc_i = i->relocation_begin(),
+ reloc_e = i->relocation_end();
+ reloc_i != reloc_e; ++reloc_i) {
uint64_t Address;
reloc_i->getOffset(Address);
uint64_t Type;
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