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On Darwin ARM, memory needs special handling to do JIT. This patch expands

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this handling to work properly for modifying stub functions, relocations
back to entry points after JIT compilation, etc..


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57013 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jim Grosbach
2008-10-03 16:17:20 +00:00
parent 48b828fdb4
commit cce6c297c5
6 changed files with 66 additions and 15 deletions
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8
include/llvm/ExecutionEngine/JITMemoryManager.h
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@@ -35,6 +35,14 @@ public:
/// JIT Memory Manager if the client does not provide one to the JIT.
static JITMemoryManager *CreateDefaultMemManager();
/// setMemoryWritable - When code generation is in progress,
/// the code pages may need permissions changed.
virtual void setMemoryWritable(void) = 0;
/// setMemoryExecutable - When code generation is done and we're ready to
/// start execution, the code pages may need permissions changed.
virtual void setMemoryExecutable(void) = 0;
//===--------------------------------------------------------------------===//
// Global Offset Table Management
//===--------------------------------------------------------------------===//