Provide generic hooks for icache invalidation. Add PPC implementation.
Patch by Gary Benson!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52418 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/PowerPC/PPCJITInfo.cpp b/lib/Target/PowerPC/PPCJITInfo.cpp
index db36881..72001ce 100644
--- a/lib/Target/PowerPC/PPCJITInfo.cpp
+++ b/lib/Target/PowerPC/PPCJITInfo.cpp
@@ -330,12 +330,9 @@
extern "C" void sys_icache_invalidate(const void *Addr, size_t len);
#endif
-/// SyncICache - On PPC, the JIT emitted code must be explicitly refetched to
-/// ensure correct execution.
-static void SyncICache(const void *Addr, size_t len) {
-#if defined(__POWERPC__) || defined (__ppc__) || defined(_POWER)
-
-#ifdef __APPLE__
+void PPCJITInfo::InvalidateInstructionCache(const void *Addr, unsigned len) {
+#if (defined(__POWERPC__) || defined (__ppc__) || defined(_POWER)) && \
+defined(__APPLE__)
sys_icache_invalidate(Addr, len);
#elif defined(__GNUC__)
const size_t LineSize = 32;
@@ -352,8 +349,6 @@
asm volatile("icbi 0, %0" : : "r"(Line));
asm volatile("isync");
#endif
-
-#endif
}
void *PPCJITInfo::emitFunctionStub(const Function* F, void *Fn,
@@ -372,7 +367,7 @@
MCE.emitWordBE(0);
MCE.emitWordBE(0);
EmitBranchToAt(Addr, (intptr_t)Fn, false, is64Bit);
- SyncICache((void*)Addr, 7*4);
+ InvalidateInstructionCache((void*)Addr, 7*4);
return MCE.finishFunctionStub(F);
}
@@ -400,7 +395,7 @@
MCE.emitWordBE(0);
MCE.emitWordBE(0);
EmitBranchToAt(BranchAddr, (intptr_t)Fn, true, is64Bit);
- SyncICache((void*)Addr, 10*4);
+ InvalidateInstructionCache((void*)Addr, 10*4);
return MCE.finishFunctionStub(F);
}