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authorNuno Lopes <nunoplopes@sapo.pt>2008-10-21 11:42:16 +0000
committerNuno Lopes <nunoplopes@sapo.pt>2008-10-21 11:42:16 +0000
commitcef7527a85d026aeb17a4dacca73c70c0ab5da40 (patch)
tree0a85fcdb02a052b1f08c226af631021cab95fc2c /include/llvm/ExecutionEngine/JITMemoryManager.h
parente06e91122fefcadd252ddd2f2591e181683fc2f1 (diff)
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fix a tricky bug in the JIT global variable emitter, that was triggered when JITing a variable independently of a function. This lead to sharing memory memory between functions and GVs thus changing the value of a GV could change the code in execution. more details on the ML.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57900 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'include/llvm/ExecutionEngine/JITMemoryManager.h')
-rw-r--r--include/llvm/ExecutionEngine/JITMemoryManager.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/llvm/ExecutionEngine/JITMemoryManager.h b/include/llvm/ExecutionEngine/JITMemoryManager.h
index 0d79d14d71..61c34434c2 100644
--- a/include/llvm/ExecutionEngine/JITMemoryManager.h
+++ b/include/llvm/ExecutionEngine/JITMemoryManager.h
@@ -101,6 +101,9 @@ public:
/// and remember where it is in case the client wants to deallocate it.
virtual void endFunctionBody(const Function *F, unsigned char *FunctionStart,
unsigned char *FunctionEnd) = 0;
+
+ /// allocateSpace - Allocate a memory block of the given size.
+ virtual unsigned char *allocateSpace(intptr_t Size, unsigned Alignment) = 0;
/// deallocateMemForFunction - Free JIT memory for the specified function.
/// This is never called when the JIT is currently emitting a function.