diff options
Diffstat (limited to 'lib/ExecutionEngine/JIT/JITMemoryManager.cpp')
-rw-r--r-- | lib/ExecutionEngine/JIT/JITMemoryManager.cpp | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/lib/ExecutionEngine/JIT/JITMemoryManager.cpp b/lib/ExecutionEngine/JIT/JITMemoryManager.cpp index 618f144..cc072a8 100644 --- a/lib/ExecutionEngine/JIT/JITMemoryManager.cpp +++ b/lib/ExecutionEngine/JIT/JITMemoryManager.cpp @@ -298,7 +298,24 @@ namespace { // Release the memory at the end of this block that isn't needed. FreeMemoryList =CurBlock->TrimAllocationToSize(FreeMemoryList, BlockSize); } - + + /// allocateSpace - Allocate a memory block of the given size. + unsigned char *allocateSpace(intptr_t Size, unsigned Alignment) { + CurBlock = FreeMemoryList; + FreeMemoryList = FreeMemoryList->AllocateBlock(); + + unsigned char *result = (unsigned char *)CurBlock+1; + + if (Alignment == 0) Alignment = 1; + result = (unsigned char*)(((intptr_t)result+Alignment-1) & + ~(intptr_t)(Alignment-1)); + + uintptr_t BlockSize = result + Size - (unsigned char *)CurBlock; + FreeMemoryList =CurBlock->TrimAllocationToSize(FreeMemoryList, BlockSize); + + return result; + } + /// startExceptionTable - Use startFunctionBody to allocate memory for the /// function's exception table. unsigned char* startExceptionTable(const Function* F, |