63 lines
2.0 KiB
C
63 lines
2.0 KiB
C
|
//===- DWARFDebugInfoEntry.h ------------------------------------*- 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_DEBUGINFO_DWARFDEBUGINFOENTRY_H
|
||
|
|
#define LLVM_DEBUGINFO_DWARFDEBUGINFOENTRY_H
|
||
|
|
|
||
|
|
#include "llvm/BinaryFormat/Dwarf.h"
|
||
|
|
#include "llvm/DebugInfo/DWARF/DWARFAbbreviationDeclaration.h"
|
||
|
|
#include "llvm/DebugInfo/DWARF/DWARFDataExtractor.h"
|
||
|
|
#include <cstdint>
|
||
|
|
|
||
|
|
namespace llvm {
|
||
|
|
|
||
|
|
class DataExtractor;
|
||
|
|
class DWARFUnit;
|
||
|
|
|
||
|
|
/// DWARFDebugInfoEntry - A DIE with only the minimum required data.
|
||
|
|
class DWARFDebugInfoEntry {
|
||
|
|
/// Offset within the .debug_info of the start of this entry.
|
||
|
|
uint64_t Offset = 0;
|
||
|
|
|
||
|
|
/// The integer depth of this DIE within the compile unit DIEs where the
|
||
|
|
/// compile/type unit DIE has a depth of zero.
|
||
|
|
uint32_t Depth = 0;
|
||
|
|
|
||
|
|
const DWARFAbbreviationDeclaration *AbbrevDecl = nullptr;
|
||
|
|
|
||
|
|
public:
|
||
|
|
DWARFDebugInfoEntry() = default;
|
||
|
|
|
||
|
|
/// Extracts a debug info entry, which is a child of a given unit,
|
||
|
|
/// starting at a given offset. If DIE can't be extracted, returns false and
|
||
|
|
/// doesn't change OffsetPtr.
|
||
|
|
bool extractFast(const DWARFUnit &U, uint64_t *OffsetPtr);
|
||
|
|
|
||
|
|
/// High performance extraction should use this call.
|
||
|
|
bool extractFast(const DWARFUnit &U, uint64_t *OffsetPtr,
|
||
|
|
const DWARFDataExtractor &DebugInfoData, uint64_t UEndOffset,
|
||
|
|
uint32_t Depth);
|
||
|
|
|
||
|
|
uint64_t getOffset() const { return Offset; }
|
||
|
|
uint32_t getDepth() const { return Depth; }
|
||
|
|
|
||
|
|
dwarf::Tag getTag() const {
|
||
|
|
return AbbrevDecl ? AbbrevDecl->getTag() : dwarf::DW_TAG_null;
|
||
|
|
}
|
||
|
|
|
||
|
|
bool hasChildren() const { return AbbrevDecl && AbbrevDecl->hasChildren(); }
|
||
|
|
|
||
|
|
const DWARFAbbreviationDeclaration *getAbbreviationDeclarationPtr() const {
|
||
|
|
return AbbrevDecl;
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
} // end namespace llvm
|
||
|
|
|
||
|
|
#endif // LLVM_DEBUGINFO_DWARFDEBUGINFOENTRY_H
|