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[DWARF parser] Refactor fetching DIE address ranges.

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Add a helper method to get address ranges specified in a DIE
(either by DW_AT_low_pc/DW_AT_high_pc, or by DW_AT_ranges). Use it
to untangle and simplify the code.

No functionality change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206624 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Alexey Samsonov
2014-04-18 17:25:46 +00:00
parent 54850bedf2
commit fe030f3dcd
7 changed files with 72 additions and 64 deletions
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8
lib/DebugInfo/DWARFDebugInfoEntry.h
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@ -11,6 +11,7 @@
#define LLVM_DEBUGINFO_DWARFDEBUGINFOENTRY_H
#include "DWARFAbbreviationDeclaration.h"
#include "DWARFDebugRangeList.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/Support/DataTypes.h"
@ -135,9 +136,10 @@ public:
bool getLowAndHighPC(const DWARFUnit *U, uint64_t &LowPC,
uint64_t &HighPC) const;
void buildAddressRangeTable(const DWARFUnit *U,
DWARFDebugAranges *DebugAranges,
uint32_t CUOffsetInAranges) const;
DWARFAddressRangesVector getAddressRanges(const DWARFUnit *U) const;
void collectChildrenAddressRanges(const DWARFUnit *U,
DWARFAddressRangesVector &Ranges) const;
bool addressRangeContainsAddress(const DWARFUnit *U,
const uint64_t Address) const;