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Re-apply r196639: Add support for archives and object file caching under MCJIT.

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I believe the bot failures on linux systems were due to overestimating the
alignment of object-files within archives, which are only guaranteed to be
two-byte aligned. I have reduced the alignment in
RuntimeDyldELF::createObjectImageFromFile accordingly.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198737 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Lang Hames
2014-01-08 04:09:09 +00:00
parent 0fe78d5669
commit 42fdb1f00f
12 changed files with 314 additions and 10 deletions
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2
lib/ExecutionEngine/RuntimeDyld/RuntimeDyldELF.h
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@@ -140,7 +140,9 @@ public:
const SymbolTableMap &Symbols,
StubMap &Stubs);
virtual bool isCompatibleFormat(const ObjectBuffer *Buffer) const;
virtual bool isCompatibleFile(const object::ObjectFile *Buffer) const;
virtual ObjectImage *createObjectImage(ObjectBuffer *InputBuffer);
virtual ObjectImage *createObjectImageFromFile(object::ObjectFile *Obj);
virtual void registerEHFrames();
virtual void deregisterEHFrames();
virtual void finalizeLoad(ObjSectionToIDMap &SectionMap);