Provide generic hooks for icache invalidation. Add PPC implementation.

Patch by Gary Benson!

llvm-svn: 52418

1 files changed, 5 insertions, 0 deletions

diff --git a/llvm/lib/Target/PowerPC/PPCJITInfo.h b/llvm/lib/Target/PowerPC/PPCJITInfo.h
index c93a84aca05..b7e6ff56ab1 100644
--- a/llvm/lib/Target/PowerPC/PPCJITInfo.h
+++ b/llvm/lib/Target/PowerPC/PPCJITInfo.h
@@ -41,6 +41,11 @@ namespace llvm {
     /// code.
     ///
     virtual void replaceMachineCodeForFunction(void *Old, void *New);
+
+    /// InvalidateInstructionCache - Before the JIT can run a block of code
+    // that has been emitted it must invalidate the instruction cache on some
+    // platforms.
+    virtual void InvalidateInstructionCache(const void *Addr, unsigned len);
   };
 }