// Rewrite the stub with an unconditional branch to the target, for any users
// who took the address of the stub.
EmitBranchToAt((intptr_t)StubCallAddr, (intptr_t)Target, false, is64Bit);
+ sys::Memory::InvalidateInstructionCache(StubCallAddr, 7*4);
// Put the address of the target function to call and the address to return to
// after calling the target function in a place that is easy to get on the
return is64Bit ? PPC64CompilationCallback : PPC32CompilationCallback;
}
+TargetJITInfo::StubLayout PPCJITInfo::getStubLayout() {
+ // The stub contains up to 10 4-byte instructions, aligned at 4 bytes: 3
+ // instructions to save the caller's address if this is a lazy-compilation
+ // stub, plus a 1-, 4-, or 7-instruction sequence to load an arbitrary address
+ // into a register and jump through it.
+ StubLayout Result = {10*4, 4};
+ return Result;
+}
+
#if (defined(__POWERPC__) || defined (__ppc__) || defined(_POWER)) && \
defined(__APPLE__)
extern "C" void sys_icache_invalidate(const void *Addr, size_t len);
void *PPCJITInfo::emitFunctionStub(const Function* F, void *Fn,
JITCodeEmitter &JCE) {
- MachineCodeEmitter::BufferState BS;
// If this is just a call to an external function, emit a branch instead of a
// call. The code is the same except for one bit of the last instruction.
if (Fn != (void*)(intptr_t)PPC32CompilationCallback &&
Fn != (void*)(intptr_t)PPC64CompilationCallback) {
- JCE.startGVStub(BS, F, 7*4);
- intptr_t Addr = (intptr_t)JCE.getCurrentPCValue();
+ void *Addr = (void*)JCE.getCurrentPCValue();
JCE.emitWordBE(0);
JCE.emitWordBE(0);
JCE.emitWordBE(0);
JCE.emitWordBE(0);
JCE.emitWordBE(0);
JCE.emitWordBE(0);
- EmitBranchToAt(Addr, (intptr_t)Fn, false, is64Bit);
- sys::Memory::InvalidateInstructionCache((void*)Addr, 7*4);
- return JCE.finishGVStub(BS);
+ EmitBranchToAt((intptr_t)Addr, (intptr_t)Fn, false, is64Bit);
+ sys::Memory::InvalidateInstructionCache(Addr, 7*4);
+ return Addr;
}
- JCE.startGVStub(BS, F, 10*4);
- intptr_t Addr = (intptr_t)JCE.getCurrentPCValue();
+ void *Addr = (void*)JCE.getCurrentPCValue();
if (is64Bit) {
JCE.emitWordBE(0xf821ffb1); // stdu r1,-80(r1)
JCE.emitWordBE(0x7d6802a6); // mflr r11
JCE.emitWordBE(0);
JCE.emitWordBE(0);
EmitBranchToAt(BranchAddr, (intptr_t)Fn, true, is64Bit);
- sys::Memory::InvalidateInstructionCache((void*)Addr, 10*4);
- return JCE.finishGVStub(BS);
+ sys::Memory::InvalidateInstructionCache(Addr, 10*4);
+ return Addr;
}
void PPCJITInfo::replaceMachineCodeForFunction(void *Old, void *New) {
EmitBranchToAt((intptr_t)Old, (intptr_t)New, false, is64Bit);
+ sys::Memory::InvalidateInstructionCache(Old, 7*4);
}