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//===-----------------------------------------------------------*- C++ -*--===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_TOOLS_LLVM_CAS_DUMP_CASDWARFOBJECT_H
#define LLVM_TOOLS_LLVM_CAS_DUMP_CASDWARFOBJECT_H
#include "llvm/DebugInfo/DWARF/DWARFCompileUnit.h"
#include "llvm/DebugInfo/DWARF/DWARFContext.h"
#include "llvm/DebugInfo/DWARF/DWARFDataExtractor.h"
#include "llvm/DebugInfo/DWARF/DWARFDebugAbbrev.h"
#include "llvm/DebugInfo/DWARF/DWARFDebugLine.h"
#include "llvm/DebugInfo/DWARF/DWARFObject.h"
#include "llvm/MCCAS/MCCASObjectV1.h"
namespace llvm {
/// A DWARFObject implementation that just supports enough to
/// dwarfdump section contents.
class CASDWARFObject : public DWARFObject {
bool Is64Bit = true;
bool IsLittleEndian = true;
Triple Target;
SmallVector<uint8_t> DebugStringSection;
SmallVector<uint8_t> DebugAbbrevSection;
SmallVector<char> DebugInfoSection;
SmallVector<StringRef> CUDataVec;
SmallVector<char> DebugLineSection;
DenseMap<cas::ObjectRef, unsigned> MapOfStringOffsets;
const mccasformats::v1::MCSchema &Schema;
/// Function to get the MCObjectProxy for a ObjectRef \p CASObj and pass it to
/// discoverDwarfSections(mccasformats::v1::MCObjectProxy MCObj);
Error discoverDwarfSections(cas::ObjectRef CASObj);
public:
CASDWARFObject(const mccasformats::v1::MCSchema &Schema) : Schema(Schema) {}
/// Copy contents of any dwarf sections that are interesting for dwarfdump to
/// work.
Error discoverDwarfSections(mccasformats::v1::MCObjectProxy MCObj);
/// Dump MCObj as textual DWARF output.
Error dump(raw_ostream &OS, int Indent, DWARFContext &DWARFCtx,
mccasformats::v1::MCObjectProxy MCObj, bool Verbose);
StringRef getFileName() const override { return "CAS"; }
ArrayRef<SectionName> getSectionNames() const override { return {}; }
bool isLittleEndian() const override { return IsLittleEndian; }
uint8_t getAddressSize() const override { return Is64Bit ? 8 : 4; }
StringRef getAbbrevSection() const override {
return toStringRef(DebugAbbrevSection);
}
StringRef getStrSection() const override {
return llvm::toStringRef(DebugStringSection);
}
std::optional<RelocAddrEntry> find(const DWARFSection &Sec,
uint64_t Pos) const override {
return {};
}
DenseMap<cas::ObjectRef, unsigned> &getMapOfStringOffsets() {
return MapOfStringOffsets;
}
};
} // namespace llvm
#endif
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