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 {
24 explicit Range(uint64_t LowPC = -1ULL, uint64_t HighPC = -1ULL,
25 uint32_t CUOffset = -1U)
26 : LowPC(LowPC), Length(HighPC - LowPC), CUOffset(CUOffset) {}
28 void setHighPC(uint64_t HighPC) {
29 if (HighPC == -1ULL || HighPC <= LowPC)
32 Length = HighPC - LowPC;
34 uint64_t HighPC() const {
36 return LowPC + Length;
39 bool containsAddress(uint64_t Address) const {
40 return LowPC <= Address && Address < HighPC();
43 bool operator <(const Range &other) const {
44 return LowPC < other.LowPC;
47 static bool SortedOverlapCheck(const Range &Left, const Range &Right) {
48 if (Left.CUOffset != Right.CUOffset)
50 return Left.HighPC() >= Right.LowPC;
53 void dump(raw_ostream &OS) const;
54 uint64_t LowPC; // Start of address range.
55 uint32_t Length; // End of address range (not including this address).
56 uint32_t CUOffset; // Offset of the compile unit or die.
61 ParsedCUOffsets.clear();
63 void extract(DataExtractor DebugArangesData);
64 void generate(DWARFContext *CTX);
66 // Use appendRange multiple times and then call sortAndMinimize.
67 void appendRange(uint32_t CUOffset, uint64_t LowPC, uint64_t HighPC);
68 void sortAndMinimize();
70 void dump(raw_ostream &OS) const;
71 uint32_t findAddress(uint64_t Address) const;
73 typedef std::vector<Range> RangeColl;
74 typedef RangeColl::const_iterator RangeCollIterator;
75 typedef DenseSet<uint32_t> ParsedCUOffsetColl;
79 ParsedCUOffsetColl ParsedCUOffsets;