80 lines
2.4 KiB
C
80 lines
2.4 KiB
C
|
//===- DWARFDebugArangeSet.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_DWARFDEBUGARANGESET_H
|
||
|
|
#define LLVM_DEBUGINFO_DWARFDEBUGARANGESET_H
|
||
|
|
|
||
|
|
#include "llvm/ADT/iterator_range.h"
|
||
|
|
#include "llvm/DebugInfo/DWARF/DWARFDataExtractor.h"
|
||
|
|
#include "llvm/Support/Error.h"
|
||
|
|
#include <cstdint>
|
||
|
|
#include <vector>
|
||
|
|
|
||
|
|
namespace llvm {
|
||
|
|
|
||
|
|
class raw_ostream;
|
||
|
|
|
||
|
|
class DWARFDebugArangeSet {
|
||
|
|
public:
|
||
|
|
struct Header {
|
||
|
|
/// The total length of the entries for that set, not including the length
|
||
|
|
/// field itself.
|
||
|
|
uint64_t Length;
|
||
|
|
/// The DWARF format of the set.
|
||
|
|
dwarf::DwarfFormat Format;
|
||
|
|
/// The offset from the beginning of the .debug_info section of the
|
||
|
|
/// compilation unit entry referenced by the table.
|
||
|
|
uint64_t CuOffset;
|
||
|
|
/// The DWARF version number.
|
||
|
|
uint16_t Version;
|
||
|
|
/// The size in bytes of an address on the target architecture. For segmented
|
||
|
|
/// addressing, this is the size of the offset portion of the address.
|
||
|
|
uint8_t AddrSize;
|
||
|
|
/// The size in bytes of a segment descriptor on the target architecture.
|
||
|
|
/// If the target system uses a flat address space, this value is 0.
|
||
|
|
uint8_t SegSize;
|
||
|
|
};
|
||
|
|
|
||
|
|
struct Descriptor {
|
||
|
|
uint64_t Address;
|
||
|
|
uint64_t Length;
|
||
|
|
|
||
|
|
uint64_t getEndAddress() const { return Address + Length; }
|
||
|
|
void dump(raw_ostream &OS, uint32_t AddressSize) const;
|
||
|
|
};
|
||
|
|
|
||
|
|
private:
|
||
|
|
using DescriptorColl = std::vector<Descriptor>;
|
||
|
|
using desc_iterator_range = iterator_range<DescriptorColl::const_iterator>;
|
||
|
|
|
||
|
|
uint64_t Offset;
|
||
|
|
Header HeaderData;
|
||
|
|
DescriptorColl ArangeDescriptors;
|
||
|
|
|
||
|
|
public:
|
||
|
|
DWARFDebugArangeSet() { clear(); }
|
||
|
|
|
||
|
|
void clear();
|
||
|
|
Error extract(DWARFDataExtractor data, uint64_t *offset_ptr,
|
||
|
|
function_ref<void(Error)> WarningHandler);
|
||
|
|
void dump(raw_ostream &OS) const;
|
||
|
|
|
||
|
|
uint64_t getCompileUnitDIEOffset() const { return HeaderData.CuOffset; }
|
||
|
|
|
||
|
|
const Header &getHeader() const { return HeaderData; }
|
||
|
|
|
||
|
|
desc_iterator_range descriptors() const {
|
||
|
|
return desc_iterator_range(ArangeDescriptors.begin(),
|
||
|
|
ArangeDescriptors.end());
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
} // end namespace llvm
|
||
|
|
|
||
|
|
#endif // LLVM_DEBUGINFO_DWARFDEBUGARANGESET_H
|