dynarmic/src/backend_x64/abi.h
2016-08-25 16:18:17 +01:00

119 lines
2.6 KiB
C++

/* This file is part of the dynarmic project.
* Copyright (c) 2016 MerryMage
* This software may be used and distributed according to the terms of the GNU
* General Public License version 2 or any later version.
*/
#pragma once
#include <array>
#include "backend_x64/hostloc.h"
namespace Dynarmic {
namespace BackendX64 {
#ifdef _WIN32
constexpr HostLoc ABI_RETURN = HostLoc::RAX;
constexpr HostLoc ABI_PARAM1 = HostLoc::RCX;
constexpr HostLoc ABI_PARAM2 = HostLoc::RDX;
constexpr HostLoc ABI_PARAM3 = HostLoc::R8;
constexpr HostLoc ABI_PARAM4 = HostLoc::R9;
constexpr std::array<HostLoc, 13> ABI_ALL_CALLER_SAVE = {
HostLoc::RAX,
HostLoc::RCX,
HostLoc::RDX,
HostLoc::R8,
HostLoc::R9,
HostLoc::R10,
HostLoc::R11,
HostLoc::XMM0,
HostLoc::XMM1,
HostLoc::XMM2,
HostLoc::XMM3,
HostLoc::XMM4,
HostLoc::XMM5,
};
constexpr std::array<HostLoc, 18> ABI_ALL_CALLEE_SAVE = {
HostLoc::RBX,
HostLoc::RSI,
HostLoc::RDI,
HostLoc::RBP,
HostLoc::R12,
HostLoc::R13,
HostLoc::R14,
HostLoc::R15,
HostLoc::XMM6,
HostLoc::XMM7,
HostLoc::XMM8,
HostLoc::XMM9,
HostLoc::XMM10,
HostLoc::XMM11,
HostLoc::XMM12,
HostLoc::XMM13,
HostLoc::XMM14,
HostLoc::XMM15,
};
constexpr size_t ABI_SHADOW_SPACE = 32; // bytes
#else
constexpr HostLoc ABI_RETURN = HostLoc::RAX;
constexpr HostLoc ABI_PARAM1 = HostLoc::RDI;
constexpr HostLoc ABI_PARAM2 = HostLoc::RSI;
constexpr HostLoc ABI_PARAM3 = HostLoc::RDX;
constexpr HostLoc ABI_PARAM4 = HostLoc::RCX;
constexpr std::array<HostLoc, 25> ABI_ALL_CALLER_SAVE = {
HostLoc::RAX,
HostLoc::RCX,
HostLoc::RDX,
HostLoc::RDI,
HostLoc::RSI,
HostLoc::R8,
HostLoc::R9,
HostLoc::R10,
HostLoc::R11,
HostLoc::XMM0,
HostLoc::XMM1,
HostLoc::XMM2,
HostLoc::XMM3,
HostLoc::XMM4,
HostLoc::XMM5,
HostLoc::XMM6,
HostLoc::XMM7,
HostLoc::XMM8,
HostLoc::XMM9,
HostLoc::XMM10,
HostLoc::XMM11,
HostLoc::XMM12,
HostLoc::XMM13,
HostLoc::XMM14,
HostLoc::XMM15,
};
constexpr std::array<HostLoc, 6> ABI_ALL_CALLEE_SAVE = {
HostLoc::RBX,
HostLoc::RBP,
HostLoc::R12,
HostLoc::R13,
HostLoc::R14,
HostLoc::R15,
};
constexpr size_t ABI_SHADOW_SPACE = 0; // bytes
#endif
static_assert(ABI_ALL_CALLER_SAVE.size() + ABI_ALL_CALLEE_SAVE.size() == 31, "Invalid total number of registers");
void ABI_PushCalleeSaveRegistersAndAdjustStack(Xbyak::CodeGenerator* code, size_t frame_size = 0);
void ABI_PopCalleeSaveRegistersAndAdjustStack(Xbyak::CodeGenerator* code, size_t frame_size = 0);
} // namespace BackendX64
} // namespace Dynarmic