mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2025-11-04 05:17:07 +00:00
a34ec4a961
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198850 91177308-0d34-0410-b5e6-96231b3b80d8
267 lines
9.0 KiB
C++
267 lines
9.0 KiB
C++
//===-- DWARFContext.h ------------------------------------------*- C++ -*-===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===/
|
|
|
|
#ifndef LLVM_DEBUGINFO_DWARFCONTEXT_H
|
|
#define LLVM_DEBUGINFO_DWARFCONTEXT_H
|
|
|
|
#include "DWARFCompileUnit.h"
|
|
#include "DWARFDebugAranges.h"
|
|
#include "DWARFDebugFrame.h"
|
|
#include "DWARFDebugLine.h"
|
|
#include "DWARFDebugLoc.h"
|
|
#include "DWARFDebugRangeList.h"
|
|
#include "DWARFTypeUnit.h"
|
|
#include "llvm/ADT/MapVector.h"
|
|
#include "llvm/ADT/OwningPtr.h"
|
|
#include "llvm/ADT/SmallVector.h"
|
|
#include "llvm/DebugInfo/DIContext.h"
|
|
|
|
namespace llvm {
|
|
|
|
/// DWARFContext
|
|
/// This data structure is the top level entity that deals with dwarf debug
|
|
/// information parsing. The actual data is supplied through pure virtual
|
|
/// methods that a concrete implementation provides.
|
|
class DWARFContext : public DIContext {
|
|
SmallVector<DWARFCompileUnit *, 1> CUs;
|
|
SmallVector<DWARFTypeUnit *, 1> TUs;
|
|
OwningPtr<DWARFDebugAbbrev> Abbrev;
|
|
OwningPtr<DWARFDebugLoc> Loc;
|
|
OwningPtr<DWARFDebugAranges> Aranges;
|
|
OwningPtr<DWARFDebugLine> Line;
|
|
OwningPtr<DWARFDebugFrame> DebugFrame;
|
|
|
|
SmallVector<DWARFCompileUnit *, 1> DWOCUs;
|
|
SmallVector<DWARFTypeUnit *, 1> DWOTUs;
|
|
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();
|
|
|
|
/// Read type units from the debug_types sections and store them in CUs.
|
|
void parseTypeUnits();
|
|
|
|
/// Read compile units from the debug_info.dwo section and store them in
|
|
/// DWOCUs.
|
|
void parseDWOCompileUnits();
|
|
|
|
/// Read type units from the debug_types.dwo section and store them in
|
|
/// DWOTUs.
|
|
void parseDWOTypeUnits();
|
|
|
|
public:
|
|
struct Section {
|
|
StringRef Data;
|
|
RelocAddrMap Relocs;
|
|
};
|
|
|
|
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 this context.
|
|
unsigned getNumTypeUnits() {
|
|
if (TUs.empty())
|
|
parseTypeUnits();
|
|
return TUs.size();
|
|
}
|
|
|
|
/// Get the number of compile units in the DWO context.
|
|
unsigned getNumDWOCompileUnits() {
|
|
if (DWOCUs.empty())
|
|
parseDWOCompileUnits();
|
|
return DWOCUs.size();
|
|
}
|
|
|
|
/// Get the number of compile units in the DWO context.
|
|
unsigned getNumDWOTypeUnits() {
|
|
if (DWOTUs.empty())
|
|
parseDWOTypeUnits();
|
|
return DWOTUs.size();
|
|
}
|
|
|
|
/// Get the compile unit at the specified index for this compile unit.
|
|
DWARFCompileUnit *getCompileUnitAtIndex(unsigned index) {
|
|
if (CUs.empty())
|
|
parseCompileUnits();
|
|
return CUs[index];
|
|
}
|
|
|
|
/// Get the type unit at the specified index for this compile unit.
|
|
DWARFTypeUnit *getTypeUnitAtIndex(unsigned index) {
|
|
if (TUs.empty())
|
|
parseTypeUnits();
|
|
return TUs[index];
|
|
}
|
|
|
|
/// 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 the type unit at the specified index for the DWO type units.
|
|
DWARFTypeUnit *getDWOTypeUnitAtIndex(unsigned index) {
|
|
if (DWOTUs.empty())
|
|
parseDWOTypeUnits();
|
|
return DWOTUs[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());
|
|
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 Section &getInfoSection() = 0;
|
|
typedef MapVector<object::SectionRef, Section,
|
|
std::map<object::SectionRef, unsigned> > TypeSectionMap;
|
|
virtual const TypeSectionMap &getTypesSections() = 0;
|
|
virtual StringRef getAbbrevSection() = 0;
|
|
virtual const Section &getLocSection() = 0;
|
|
virtual StringRef getARangeSection() = 0;
|
|
virtual StringRef getDebugFrameSection() = 0;
|
|
virtual const Section &getLineSection() = 0;
|
|
virtual StringRef getStringSection() = 0;
|
|
virtual StringRef getRangeSection() = 0;
|
|
virtual StringRef getPubNamesSection() = 0;
|
|
virtual StringRef getPubTypesSection() = 0;
|
|
virtual StringRef getGnuPubNamesSection() = 0;
|
|
virtual StringRef getGnuPubTypesSection() = 0;
|
|
|
|
// Sections for DWARF5 split dwarf proposal.
|
|
virtual const Section &getInfoDWOSection() = 0;
|
|
virtual const TypeSectionMap &getTypesDWOSections() = 0;
|
|
virtual StringRef getAbbrevDWOSection() = 0;
|
|
virtual StringRef getStringDWOSection() = 0;
|
|
virtual StringRef getStringOffsetDWOSection() = 0;
|
|
virtual StringRef getRangeDWOSection() = 0;
|
|
virtual StringRef getAddrSection() = 0;
|
|
|
|
static bool isSupportedVersion(unsigned version) {
|
|
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;
|
|
Section InfoSection;
|
|
TypeSectionMap TypesSections;
|
|
StringRef AbbrevSection;
|
|
Section LocSection;
|
|
StringRef ARangeSection;
|
|
StringRef DebugFrameSection;
|
|
Section LineSection;
|
|
StringRef StringSection;
|
|
StringRef RangeSection;
|
|
StringRef PubNamesSection;
|
|
StringRef PubTypesSection;
|
|
StringRef GnuPubNamesSection;
|
|
StringRef GnuPubTypesSection;
|
|
|
|
// Sections for DWARF5 split dwarf proposal.
|
|
Section InfoDWOSection;
|
|
TypeSectionMap TypesDWOSections;
|
|
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 Section &getInfoSection() { return InfoSection; }
|
|
virtual const TypeSectionMap &getTypesSections() { return TypesSections; }
|
|
virtual StringRef getAbbrevSection() { return AbbrevSection; }
|
|
virtual const Section &getLocSection() { return LocSection; }
|
|
virtual StringRef getARangeSection() { return ARangeSection; }
|
|
virtual StringRef getDebugFrameSection() { return DebugFrameSection; }
|
|
virtual const Section &getLineSection() { return LineSection; }
|
|
virtual StringRef getStringSection() { return StringSection; }
|
|
virtual StringRef getRangeSection() { return RangeSection; }
|
|
virtual StringRef getPubNamesSection() { return PubNamesSection; }
|
|
virtual StringRef getPubTypesSection() { return PubTypesSection; }
|
|
virtual StringRef getGnuPubNamesSection() { return GnuPubNamesSection; }
|
|
virtual StringRef getGnuPubTypesSection() { return GnuPubTypesSection; }
|
|
|
|
// Sections for DWARF5 split dwarf proposal.
|
|
virtual const Section &getInfoDWOSection() { return InfoDWOSection; }
|
|
virtual const TypeSectionMap &getTypesDWOSections() {
|
|
return TypesDWOSections;
|
|
}
|
|
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;
|
|
}
|
|
};
|
|
|
|
}
|
|
|
|
#endif
|