mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-24 03:33:20 +01:00
76 lines
2.3 KiB
C++
76 lines
2.3 KiB
C++
//===-- DWARFDebugArangeSet.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_DWARFDEBUGARANGESET_H
|
|
#define LLVM_DEBUGINFO_DWARFDEBUGARANGESET_H
|
|
|
|
#include "llvm/Support/DataExtractor.h"
|
|
#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.
|
|
uint32_t Length;
|
|
// The offset from the beginning of the .debug_info section of the
|
|
// compilation unit entry referenced by the table.
|
|
uint32_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; }
|
|
};
|
|
|
|
private:
|
|
typedef std::vector<Descriptor> DescriptorColl;
|
|
typedef DescriptorColl::iterator DescriptorIter;
|
|
typedef DescriptorColl::const_iterator DescriptorConstIter;
|
|
|
|
uint32_t Offset;
|
|
Header HeaderData;
|
|
DescriptorColl ArangeDescriptors;
|
|
|
|
public:
|
|
DWARFDebugArangeSet() { clear(); }
|
|
void clear();
|
|
void compact();
|
|
bool extract(DataExtractor data, uint32_t *offset_ptr);
|
|
void dump(raw_ostream &OS) const;
|
|
|
|
uint32_t getCompileUnitDIEOffset() const { return HeaderData.CuOffset; }
|
|
uint32_t getOffsetOfNextEntry() const { return Offset + HeaderData.Length + 4; }
|
|
uint32_t findAddress(uint64_t address) const;
|
|
uint32_t getNumDescriptors() const { return ArangeDescriptors.size(); }
|
|
const struct Header &getHeader() const { return HeaderData; }
|
|
const Descriptor *getDescriptor(uint32_t i) const {
|
|
if (i < ArangeDescriptors.size())
|
|
return &ArangeDescriptors[i];
|
|
return NULL;
|
|
}
|
|
};
|
|
|
|
}
|
|
|
|
#endif
|