+X86JITInfo::X86JITInfo(X86TargetMachine &tm) : TM(tm) {
+ Subtarget = &TM.getSubtarget<X86Subtarget>();
+ useGOT = 0;
+ TLSOffset = 0;
+}
+
+void *X86JITInfo::emitGlobalValueIndirectSym(const GlobalValue* GV, void *ptr,
+ JITCodeEmitter &JCE) {
+#if defined (X86_64_JIT)
+ const unsigned Alignment = 8;
+ uint8_t Buffer[8];
+ uint8_t *Cur = Buffer;
+ MachineCodeEmitter::emitWordLEInto(Cur, (unsigned)(intptr_t)ptr);
+ MachineCodeEmitter::emitWordLEInto(Cur, (unsigned)(((intptr_t)ptr) >> 32));
+#else
+ const unsigned Alignment = 4;
+ uint8_t Buffer[4];
+ uint8_t *Cur = Buffer;
+ MachineCodeEmitter::emitWordLEInto(Cur, (intptr_t)ptr);
+#endif
+ return JCE.allocIndirectGV(GV, Buffer, sizeof(Buffer), Alignment);
+}
+
+TargetJITInfo::StubLayout X86JITInfo::getStubLayout() {
+ // The 64-bit stub contains:
+ // movabs r10 <- 8-byte-target-address # 10 bytes
+ // call|jmp *r10 # 3 bytes
+ // The 32-bit stub contains a 5-byte call|jmp.
+ // If the stub is a call to the compilation callback, an extra byte is added
+ // to mark it as a stub.
+ StubLayout Result = {14, 4};
+ return Result;
+}
+
+void *X86JITInfo::emitFunctionStub(const Function* F, void *Target,
+ JITCodeEmitter &JCE) {
+ // Note, we cast to intptr_t here to silence a -pedantic warning that