#include "DWARFCompileUnit.h"
#include "DWARFDebugAranges.h"
+#include "DWARFDebugFrame.h"
#include "DWARFDebugLine.h"
-#include "llvm/DebugInfo/DIContext.h"
+#include "DWARFDebugLoc.h"
+#include "DWARFDebugRangeList.h"
#include "llvm/ADT/OwningPtr.h"
#include "llvm/ADT/SmallVector.h"
+#include "llvm/DebugInfo/DIContext.h"
namespace llvm {
/// information parsing. The actual data is supplied through pure virtual
/// methods that a concrete implementation provides.
class DWARFContext : public DIContext {
- bool IsLittleEndian;
-
- SmallVector<DWARFCompileUnit, 1> CUs;
+ SmallVector<DWARFCompileUnit *, 1> CUs;
OwningPtr<DWARFDebugAbbrev> Abbrev;
+ OwningPtr<DWARFDebugLoc> Loc;
OwningPtr<DWARFDebugAranges> Aranges;
OwningPtr<DWARFDebugLine> Line;
+ OwningPtr<DWARFDebugFrame> DebugFrame;
- DWARFContext(DWARFContext &); // = delete
- DWARFContext &operator=(DWARFContext &); // = delete
+ SmallVector<DWARFCompileUnit *, 1> DWOCUs;
+ OwningPtr<DWARFDebugAbbrev> AbbrevDWO;
+
+ DWARFContext(DWARFContext &) LLVM_DELETED_FUNCTION;
+ DWARFContext &operator=(DWARFContext &) LLVM_DELETED_FUNCTION;
/// Read compile units from the debug_info section and store them in CUs.
void parseCompileUnits();
-protected:
- DWARFContext(bool isLittleEndian) : IsLittleEndian(isLittleEndian) {}
+
+ /// Read compile units from the debug_info.dwo section and store them in
+ /// DWOCUs.
+ void parseDWOCompileUnits();
+
public:
- virtual void dump(raw_ostream &OS);
+ DWARFContext() : DIContext(CK_DWARF) {}
+ virtual ~DWARFContext();
+
+ static bool classof(const DIContext *DICtx) {
+ return DICtx->getKind() == CK_DWARF;
+ }
+
+ virtual void dump(raw_ostream &OS, DIDumpType DumpType = DIDT_All);
+
/// Get the number of compile units in this context.
unsigned getNumCompileUnits() {
if (CUs.empty())
parseCompileUnits();
return CUs.size();
}
+
+ /// Get the number of compile units in the DWO context.
+ unsigned getNumDWOCompileUnits() {
+ if (DWOCUs.empty())
+ parseDWOCompileUnits();
+ return DWOCUs.size();
+ }
+
/// Get the compile unit at the specified index for this compile unit.
DWARFCompileUnit *getCompileUnitAtIndex(unsigned index) {
if (CUs.empty())
parseCompileUnits();
- return &CUs[index];
+ return CUs[index];
}
- /// Return the compile unit that includes an offset (relative to .debug_info).
- DWARFCompileUnit *getCompileUnitForOffset(uint32_t offset);
+ /// Get the compile unit at the specified index for the DWO compile units.
+ DWARFCompileUnit *getDWOCompileUnitAtIndex(unsigned index) {
+ if (DWOCUs.empty())
+ parseDWOCompileUnits();
+ return DWOCUs[index];
+ }
/// Get a pointer to the parsed DebugAbbrev object.
const DWARFDebugAbbrev *getDebugAbbrev();
+ /// Get a pointer to the parsed DebugLoc object.
+ const DWARFDebugLoc *getDebugLoc();
+
+ /// Get a pointer to the parsed dwo abbreviations object.
+ const DWARFDebugAbbrev *getDebugAbbrevDWO();
+
/// Get a pointer to the parsed DebugAranges object.
const DWARFDebugAranges *getDebugAranges();
+ /// Get a pointer to the parsed frame information object.
+ const DWARFDebugFrame *getDebugFrame();
+
/// Get a pointer to a parsed line table corresponding to a compile unit.
const DWARFDebugLine::LineTable *
getLineTableForCompileUnit(DWARFCompileUnit *cu);
- virtual DILineInfo getLineInfoForAddress(uint64_t address,
- DILineInfoSpecifier specifier = DILineInfoSpecifier());
-
- bool isLittleEndian() const { return IsLittleEndian; }
-
+ virtual DILineInfo getLineInfoForAddress(uint64_t Address,
+ DILineInfoSpecifier Specifier = DILineInfoSpecifier());
+ virtual DILineInfoTable getLineInfoForAddressRange(uint64_t Address,
+ uint64_t Size, DILineInfoSpecifier Specifier = DILineInfoSpecifier());
+ virtual DIInliningInfo getInliningInfoForAddress(uint64_t Address,
+ DILineInfoSpecifier Specifier = DILineInfoSpecifier());
+
+ virtual bool isLittleEndian() const = 0;
+ virtual uint8_t getAddressSize() const = 0;
+ virtual const RelocAddrMap &infoRelocMap() const = 0;
+ virtual const RelocAddrMap &lineRelocMap() const = 0;
+ virtual const RelocAddrMap &locRelocMap() const = 0;
virtual StringRef getInfoSection() = 0;
virtual StringRef getAbbrevSection() = 0;
+ virtual StringRef getLocSection() = 0;
virtual StringRef getARangeSection() = 0;
+ virtual StringRef getDebugFrameSection() = 0;
virtual StringRef getLineSection() = 0;
virtual StringRef getStringSection() = 0;
+ virtual StringRef getRangeSection() = 0;
+ virtual StringRef getPubNamesSection() = 0;
+
+ // Sections for DWARF5 split dwarf proposal.
+ virtual StringRef getInfoDWOSection() = 0;
+ virtual StringRef getAbbrevDWOSection() = 0;
+ virtual StringRef getStringDWOSection() = 0;
+ virtual StringRef getStringOffsetDWOSection() = 0;
+ virtual StringRef getRangeDWOSection() = 0;
+ virtual StringRef getAddrSection() = 0;
+ virtual const RelocAddrMap &infoDWORelocMap() const = 0;
static bool isSupportedVersion(unsigned version) {
- return version == 2 || version == 3;
+ return version == 2 || version == 3 || version == 4;
}
-};
+private:
+ /// Return the compile unit that includes an offset (relative to .debug_info).
+ DWARFCompileUnit *getCompileUnitForOffset(uint32_t Offset);
+ /// Return the compile unit which contains instruction with provided
+ /// address.
+ DWARFCompileUnit *getCompileUnitForAddress(uint64_t Address);
+};
/// DWARFContextInMemory is the simplest possible implementation of a
/// DWARFContext. It assumes all content is available in memory and stores
/// pointers to it.
class DWARFContextInMemory : public DWARFContext {
virtual void anchor();
+ bool IsLittleEndian;
+ uint8_t AddressSize;
+ RelocAddrMap InfoRelocMap;
+ RelocAddrMap LocRelocMap;
+ RelocAddrMap LineRelocMap;
StringRef InfoSection;
StringRef AbbrevSection;
+ StringRef LocSection;
StringRef ARangeSection;
+ StringRef DebugFrameSection;
StringRef LineSection;
StringRef StringSection;
-public:
- DWARFContextInMemory(bool isLittleEndian,
- StringRef infoSection,
- StringRef abbrevSection,
- StringRef aRangeSection,
- StringRef lineSection,
- StringRef stringSection)
- : DWARFContext(isLittleEndian),
- InfoSection(infoSection),
- AbbrevSection(abbrevSection),
- ARangeSection(aRangeSection),
- LineSection(lineSection),
- StringSection(stringSection)
- {}
+ StringRef RangeSection;
+ StringRef PubNamesSection;
+
+ // Sections for DWARF5 split dwarf proposal.
+ RelocAddrMap InfoDWORelocMap;
+ StringRef InfoDWOSection;
+ StringRef AbbrevDWOSection;
+ StringRef StringDWOSection;
+ StringRef StringOffsetDWOSection;
+ StringRef RangeDWOSection;
+ StringRef AddrSection;
+
+ SmallVector<MemoryBuffer*, 4> UncompressedSections;
+public:
+ DWARFContextInMemory(object::ObjectFile *);
+ ~DWARFContextInMemory();
+ virtual bool isLittleEndian() const { return IsLittleEndian; }
+ virtual uint8_t getAddressSize() const { return AddressSize; }
+ virtual const RelocAddrMap &infoRelocMap() const { return InfoRelocMap; }
+ virtual const RelocAddrMap &locRelocMap() const { return LocRelocMap; }
+ virtual const RelocAddrMap &lineRelocMap() const { return LineRelocMap; }
virtual StringRef getInfoSection() { return InfoSection; }
virtual StringRef getAbbrevSection() { return AbbrevSection; }
+ virtual StringRef getLocSection() { return LocSection; }
virtual StringRef getARangeSection() { return ARangeSection; }
+ virtual StringRef getDebugFrameSection() { return DebugFrameSection; }
virtual StringRef getLineSection() { return LineSection; }
virtual StringRef getStringSection() { return StringSection; }
+ virtual StringRef getRangeSection() { return RangeSection; }
+ virtual StringRef getPubNamesSection() { return PubNamesSection; }
+
+ // Sections for DWARF5 split dwarf proposal.
+ virtual StringRef getInfoDWOSection() { return InfoDWOSection; }
+ virtual StringRef getAbbrevDWOSection() { return AbbrevDWOSection; }
+ virtual StringRef getStringDWOSection() { return StringDWOSection; }
+ virtual StringRef getStringOffsetDWOSection() {
+ return StringOffsetDWOSection;
+ }
+ virtual StringRef getRangeDWOSection() { return RangeDWOSection; }
+ virtual StringRef getAddrSection() {
+ return AddrSection;
+ }
+ virtual const RelocAddrMap &infoDWORelocMap() const {
+ return InfoDWORelocMap;
+ }
};
}