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RuntimeDyld: override EH frame registration with trivial version.

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llvm-rtdyld was relying on the default memory manager's EH frame registration,
which is host-dependent rather than target-dependent. As a result, big-endian
ELF Mips EH frames were being registered on OS X (and elsewhere). This is a
really bad idea.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238951 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Tim Northover 2015-06-03 18:26:52 +00:00
parent 0a999e4d3a
commit 6da0e02282
1 changed files with 5 additions and 0 deletions
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5
tools/llvm-rtdyld/llvm-rtdyld.cpp
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@ -139,6 +139,11 @@ public:
// explicit cache flush, otherwise JIT code manipulations (like resolved
// relocations) will get to the data cache but not to the instruction cache.
virtual void invalidateInstructionCache();
void registerEHFrames(uint8_t *Addr, uint64_t LoadAddr,
size_t Size) override {}
void deregisterEHFrames(uint8_t *Addr, uint64_t LoadAddr,
size_t Size) override {}
};
uint8_t *TrivialMemoryManager::allocateCodeSection(uintptr_t Size,