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Port lli bug fix from r166920 to MCJIT unit test.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167145 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Amara Emerson 2012-10-31 17:41:51 +00:00
parent 9f74bc9e77
commit a25ad19a23
1 changed files with 11 additions and 3 deletions
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14
unittests/ExecutionEngine/MCJIT/SectionMemoryManager.cpp
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@ -14,6 +14,7 @@
#include "llvm/Config/config.h"
#include "llvm/Support/DynamicLibrary.h"
#include "llvm/Support/MathExtras.h"
#include "SectionMemoryManager.h"
@ -34,9 +35,16 @@ uint8_t *SectionMemoryManager::allocateDataSection(uintptr_t Size,
unsigned SectionID) {
if (!Alignment)
Alignment = 16;
uint8_t *Addr = (uint8_t*)calloc((Size + Alignment - 1)/Alignment, Alignment);
AllocatedDataMem.push_back(sys::MemoryBlock(Addr, Size));
return Addr;
// Ensure that enough memory is requested to allow aligning.
size_t NumElementsAligned = 1 + (Size + Alignment - 1)/Alignment;
uint8_t *Addr = (uint8_t*)calloc(NumElementsAligned, Alignment);
// Honour the alignment requirement.
uint8_t *AlignedAddr = (uint8_t*)RoundUpToAlignment((uint64_t)Addr, Alignment);
// Store the original address from calloc so we can free it later.
AllocatedDataMem.push_back(sys::MemoryBlock(Addr, NumElementsAligned*Alignment));
return AlignedAddr;
}
uint8_t *SectionMemoryManager::allocateCodeSection(uintptr_t Size,