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More linux prep

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git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@121 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
hrydgard
2008-08-01 09:30:04 +00:00
parent 73a8bb9b2f
commit 814af6c7b9
4 changed files with 82 additions and 65 deletions
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17
Source/Core/Common/Src/ABI.cpp
View File

@ -29,6 +29,14 @@ void ABI_CallFunctionR(void *func, X64Reg reg1) {
ADD(32, R(ESP), Imm8(4));
}
void ABI_CallFunctionRR(void *func, Gen::X64Reg reg1, Gen::X64Reg reg2)
{
PUSH(32, R(reg2));
PUSH(32, R(reg1));
CALL(func);
ADD(32, R(ESP), Imm8(8));
}
void ABI_CallFunctionAC(void *func, const Gen::OpArg &arg1, u32 param2)
{
PUSH(32, arg1);
@ -74,6 +82,15 @@ void ABI_CallFunctionR(void *func, X64Reg reg1) {
CALL(func);
}
// Pass a register as a paremeter.
void ABI_CallFunctionRR(void *func, X64Reg reg1, X64Reg reg2) {
if (reg1 != ABI_PARAM1)
MOV(32, R(ABI_PARAM1), R(reg1));
if (reg2 != ABI_PARAM2)
MOV(32, R(ABI_PARAM2), R(reg2));
CALL(func);
}
void ABI_CallFunctionAC(void *func, const Gen::OpArg &arg1, u32 param2)
{
if (!arg1.IsSimpleReg(ABI_PARAM1))

6
Source/Core/Common/Src/ABI.h
View File

@ -48,6 +48,11 @@
#ifdef _M_IX86
// 32 bit calling convention, shared by all
// 32-bit don't pass parameters in regs, but these are convenient to have anyway when we have to
// choose regs to put stuff in.
#define ABI_PARAM1 RCX
#define ABI_PARAM2 RDX
// There are no ABI_PARAM* here, since args are pushed.
// === 32-bit bog standard cdecl, shared between linux and windows ============================
@ -85,6 +90,7 @@ void ABI_CallFunctionAC(void *func, const Gen::OpArg &arg1, u32 param2);
// Pass a register as a paremeter.
void ABI_CallFunctionR(void *func, Gen::X64Reg reg1);
void ABI_CallFunctionRR(void *func, Gen::X64Reg reg1, Gen::X64Reg reg2);
void ABI_PushAllCalleeSavedRegsAndAdjustStack();
void ABI_PopAllCalleeSavedRegsAndAdjustStack();