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Move synchronizeICache from TargetJITInfo into a static function in JITEmitter.cpp 

llvm-svn: 29334
This commit is contained in:
Evan Cheng 2006-07-27 06:33:55 +00:00
parent 48c50746c5
commit 93386e02fe
2 changed files with 17 additions and 9 deletions
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4
llvm/include/llvm/Target/TargetJITInfo.h
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@ -87,10 +87,6 @@ namespace llvm {
/// function.
virtual void resolveBBRefs(MachineCodeEmitter &MCE) {}
/// synchronizeICache - On some targets, the JIT emitted code must be
/// explicitly refetched to ensure correct execution.
virtual void synchronizeICache(const void *Addr, size_t len) {}
/// addBBRef - Add a BasicBlock reference to be resolved after the function
/// is emitted.
void addBBRef(MachineBasicBlock *BB, intptr_t PC) {

22
llvm/lib/ExecutionEngine/JIT/JITEmitter.cpp
View File

@ -516,6 +516,20 @@ static JITResolver &getJITResolver(MachineCodeEmitter *MCE = 0) {
return TheJITResolver;
}
#if (defined(__POWERPC__) || defined (__ppc__) || defined(_POWER)) && \
defined(__APPLE__)
extern "C" void sys_icache_invalidate(const void *Addr, size_t len);
#endif
/// synchronizeICache - On some targets, the JIT emitted code must be
/// explicitly refetched to ensure correct execution.
static void synchronizeICache(const void *Addr, size_t len) {
#if (defined(__POWERPC__) || defined (__ppc__) || defined(_POWER)) && \
defined(__APPLE__)
sys_icache_invalidate(Addr, Len);
#endif
}
/// getFunctionStub - This returns a pointer to a function stub, creating
/// one on demand as needed.
void *JITResolver::getFunctionStub(Function *F) {
@ -543,8 +557,7 @@ void *JITResolver::getFunctionStub(Function *F) {
}
// Invalidate the icache if necessary.
TheJIT->getJITInfo().
synchronizeICache(Stub, MCE.getCurrentPCValue()-(intptr_t)Stub);
synchronizeICache(Stub, MCE.getCurrentPCValue()-(intptr_t)Stub);
DEBUG(std::cerr << "JIT: Stub emitted at [" << Stub << "] for function '"
<< F->getName() << "'\n");
@ -565,8 +578,7 @@ void *JITResolver::getExternalFunctionStub(void *FnAddr) {
Stub = TheJIT->getJITInfo().emitFunctionStub(FnAddr, MCE);
// Invalidate the icache if necessary.
TheJIT->getJITInfo().
synchronizeICache(Stub, MCE.getCurrentPCValue()-(intptr_t)Stub);
synchronizeICache(Stub, MCE.getCurrentPCValue()-(intptr_t)Stub);
DEBUG(std::cerr << "JIT: Stub emitted at [" << Stub
<< "] for external function at '" << FnAddr << "'\n");
@ -838,7 +850,7 @@ bool JITEmitter::finishFunction(MachineFunction &F) {
TheJIT->getJITInfo().resolveBBRefs(*this);
// Invalidate the icache if necessary.
TheJIT->getJITInfo().synchronizeICache(FnStart, FnEnd-FnStart);
synchronizeICache(FnStart, FnEnd-FnStart);
DEBUG(std::cerr << "JIT: Finished CodeGen of [" << (void*)FnStart
<< "] Function: " << F.getFunction()->getName()