/usr/include/llvm-3.6/llvm/DebugInfo/DWARFDebugAranges.h is in llvm-3.6-dev 1:3.6-2ubuntu1~trusty2.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 | //===-- DWARFDebugAranges.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_LIB_DEBUGINFO_DWARFDEBUGARANGES_H
#define LLVM_LIB_DEBUGINFO_DWARFDEBUGARANGES_H
#include "llvm/ADT/DenseSet.h"
#include "llvm/Support/DataExtractor.h"
#include <vector>
namespace llvm {
class DWARFContext;
class DWARFDebugAranges {
public:
void generate(DWARFContext *CTX);
uint32_t findAddress(uint64_t Address) const;
private:
void clear();
void extract(DataExtractor DebugArangesData);
// Call appendRange multiple times and then call construct.
void appendRange(uint32_t CUOffset, uint64_t LowPC, uint64_t HighPC);
void construct();
struct Range {
explicit Range(uint64_t LowPC = -1ULL, uint64_t HighPC = -1ULL,
uint32_t CUOffset = -1U)
: LowPC(LowPC), Length(HighPC - LowPC), CUOffset(CUOffset) {}
void setHighPC(uint64_t HighPC) {
if (HighPC == -1ULL || HighPC <= LowPC)
Length = 0;
else
Length = HighPC - LowPC;
}
uint64_t HighPC() const {
if (Length)
return LowPC + Length;
return -1ULL;
}
bool containsAddress(uint64_t Address) const {
return LowPC <= Address && Address < HighPC();
}
bool operator<(const Range &other) const {
return LowPC < other.LowPC;
}
uint64_t LowPC; // Start of address range.
uint32_t Length; // End of address range (not including this address).
uint32_t CUOffset; // Offset of the compile unit or die.
};
struct RangeEndpoint {
uint64_t Address;
uint32_t CUOffset;
bool IsRangeStart;
RangeEndpoint(uint64_t Address, uint32_t CUOffset, bool IsRangeStart)
: Address(Address), CUOffset(CUOffset), IsRangeStart(IsRangeStart) {}
bool operator<(const RangeEndpoint &Other) const {
return Address < Other.Address;
}
};
typedef std::vector<Range> RangeColl;
typedef RangeColl::const_iterator RangeCollIterator;
std::vector<RangeEndpoint> Endpoints;
RangeColl Aranges;
DenseSet<uint32_t> ParsedCUOffsets;
};
}
#endif
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