1 //===-- DWARFDebugAranges.h -------------------------------------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 #ifndef LLVM_DEBUGINFO_DWARFDEBUGARANGES_H
11 #define LLVM_DEBUGINFO_DWARFDEBUGARANGES_H
13 #include "DWARFDebugArangeSet.h"
14 #include "llvm/ADT/DenseSet.h"
21 class DWARFDebugAranges {
25 ParsedCUOffsets.clear();
28 void generate(DWARFContext *CTX);
30 // Use appendRange multiple times and then call sortAndMinimize.
31 void appendRange(uint32_t CUOffset, uint64_t LowPC, uint64_t HighPC);
33 uint32_t findAddress(uint64_t Address) const;
36 void extract(DataExtractor DebugArangesData);
37 void sortAndMinimize();
40 explicit Range(uint64_t LowPC = -1ULL, uint64_t HighPC = -1ULL,
41 uint32_t CUOffset = -1U)
42 : LowPC(LowPC), Length(HighPC - LowPC), CUOffset(CUOffset) {}
44 void setHighPC(uint64_t HighPC) {
45 if (HighPC == -1ULL || HighPC <= LowPC)
48 Length = HighPC - LowPC;
50 uint64_t HighPC() const {
52 return LowPC + Length;
55 bool containsAddress(uint64_t Address) const {
56 return LowPC <= Address && Address < HighPC();
59 bool operator <(const Range &other) const {
60 return LowPC < other.LowPC;
63 static bool SortedOverlapCheck(const Range &Left, const Range &Right) {
64 if (Left.CUOffset != Right.CUOffset)
66 return Left.HighPC() >= Right.LowPC;
69 uint64_t LowPC; // Start of address range.
70 uint32_t Length; // End of address range (not including this address).
71 uint32_t CUOffset; // Offset of the compile unit or die.
74 typedef std::vector<Range> RangeColl;
75 typedef RangeColl::const_iterator RangeCollIterator;
76 typedef DenseSet<uint32_t> ParsedCUOffsetColl;
79 ParsedCUOffsetColl ParsedCUOffsets;