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Make ObjectFile ownership of the MemoryBuffer optional.

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This allows llvm-ar to mmap the input files only once.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200040 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola
2014-01-24 21:32:21 +00:00
parent 0078935812
commit 584fe2db6a
11 changed files with 98 additions and 85 deletions
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7
include/llvm/Object/ELFObjectFile.h
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@ -165,7 +165,7 @@ protected:
bool isDyldELFObject;
public:
ELFObjectFile(MemoryBuffer *Object, error_code &ec);
ELFObjectFile(MemoryBuffer *Object, error_code &EC, bool BufferOwned = true);
const Elf_Sym *getSymbol(DataRefImpl Symb) const;
@ -813,11 +813,12 @@ ELFObjectFile<ELFT>::getRela(DataRefImpl Rela) const {
}
template <class ELFT>
ELFObjectFile<ELFT>::ELFObjectFile(MemoryBuffer *Object, error_code &ec)
ELFObjectFile<ELFT>::ELFObjectFile(MemoryBuffer *Object, error_code &ec,
bool BufferOwned)
: ObjectFile(getELFType(static_cast<endianness>(ELFT::TargetEndianness) ==
support::little,
ELFT::Is64Bits),
Object),
Object, BufferOwned),
EF(Object, ec) {}
template <class ELFT>