Cleanup, preparations for Linux/Mac JIT (not yet working)

git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@114 8ced0084-cf51-0410-be5f-012b33b47a6e

Source/Core/Common/Src/ABI.cpp

@@ -0,0 +1,111 @@
+#include "Common.h"
+#include "x64Emitter.h"
+#include "ABI.h"
+
+using namespace Gen;
+
+#ifdef _M_IX86 // All32
+
+// Shared code between Win32 and Unix32
+// ====================================
+
+void ABI_CallFunctionC(void *func, u32 param1) {
+	PUSH(32, Imm32(param1));
+	CALL(func);
+	ADD(32, R(ESP), Imm8(4));
+}
+
+void ABI_CallFunctionCC(void *func, u32 param1, u32 param2) {
+	PUSH(32, Imm32(param2));
+	PUSH(32, Imm32(param1));
+	CALL(func);
+	ADD(32, R(ESP), Imm8(8));
+}
+
+// Pass a register as a paremeter.
+void ABI_CallFunctionR(void *func, X64Reg reg1) {
+	PUSH(32, R(reg1));
+	CALL(func);
+	ADD(32, R(ESP), Imm8(4));
+}
+
+void ABI_PushAllCalleeSavedRegsAndAdjustStack() {
+	PUSH(EBP);
+	PUSH(EBX);
+	PUSH(ESI);
+	PUSH(EDI);
+}
+
+void ABI_PopAllCalleeSavedRegsAndAdjustStack() {
+	POP(EDI);
+	POP(ESI);
+	POP(EBX);
+	POP(EBP);
+}
+
+#else
+
+// Shared code between Win64 and Unix64
+// ====================================
+
+void ABI_CallFunctionC(void *func, u32 param1) {
+	MOV(32, R(ABI_PARAM1), Imm32(param1));
+	CALL(func);
+}
+
+void ABI_CallFunctionCC(void *func, u32 param1, u32 param2) {
+	MOV(32, R(ABI_PARAM1), Imm32(param1));
+	MOV(32, R(ABI_PARAM2), Imm32(param2));
+	CALL(func);
+}
+
+// Pass a register as a paremeter.
+void ABI_CallFunctionR(void *func, X64Reg reg1) {
+	if (reg1 != ABI_PARAM1)
+		MOV(32, R(ABI_PARAM1), R(reg1));
+	CALL(func);
+}
+
+#ifdef _WIN32
+// Win64 Specific Code
+// ====================================
+void ABI_PushAllCalleeSavedRegsAndAdjustStack() {
+	//we only want to do this once
+	PUSH(RBX); 
+	PUSH(RSI); 
+	PUSH(RDI);
+	PUSH(RBP);
+	PUSH(R12); 
+	PUSH(R13); 
+	PUSH(R14); 
+	PUSH(R15);
+	//TODO: Also preserve XMM0-3?
+	SUB(64, R(RSP), Imm8(0x20));
+}
+
+void ABI_PopAllCalleeSavedRegsAndAdjustStack() {
+	ADD(64, R(RSP), Imm8(0x20));
+	POP(R15);
+	POP(R14); 
+	POP(R13); 
+	POP(R12);
+	POP(RBP);
+	POP(RDI);
+	POP(RSI); 
+	POP(RBX); 
+}
+
+#else
+// Unix64 Specific Code
+// ====================================
+void ABI_PushAllCalleeSavedRegsAndAdjustStack() {
+
+}
+
+void ABI_PopAllCalleeSavedRegsAndAdjustStack() {
+
+}
+
+#endif
+
+#endif