INSANEMODE/yuzu-android
1
0
Fork 0
mirror of https://github.com/yuzu-emu/yuzu-android.git synced 2025-06-22 15:27:51 -05:00
Code Issues Packages Projects Releases Wiki Activity

x64: Proper stack alignment in shader JIT function calls

Browse Source 
Import Dolphin stack handling and register saving routines
Also removes the x86 parts from abi files
This commit is contained in:
aroulin
2015-08-26 09:12:14 +02:00
parent 0b6c0afeb7
commit 179ad35c2e
5 changed files with 111 additions and 455 deletions
Download Patch File Download Diff File Expand all files Collapse all files

61
src/common/x64/abi.h
View File

@ -1,35 +1,15 @@
// Copyright (C) 2003 Dolphin Project.
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, version 2.0 or later versions.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License 2.0 for more details.
// A copy of the GPL 2.0 should have been included with the program.
// If not, see http://www.gnu.org/licenses/
// Official SVN repository and contact information can be found at
// http://code.google.com/p/dolphin-emu/
// Copyright 2008 Dolphin Emulator Project
// Licensed under GPLv2+
// Refer to the license.txt file included.
#pragma once
#include "common/common_types.h"
#include "common/bit_set.h"
#include "emitter.h"
// x86/x64 ABI:s, and helpers to help follow them when JIT-ing code.
// x64 ABI:s, and helpers to help follow them when JIT-ing code.
// All convensions return values in EAX (+ possibly EDX).
// Linux 32-bit, Windows 32-bit (cdecl, System V):
// * Caller pushes left to right
// * Caller fixes stack after call
// * function subtract from stack for local storage only.
// Scratch: EAX ECX EDX
// Callee-save: EBX ESI EDI EBP
// Parameters: -
// Windows 64-bit
// * 4-reg "fastcall" variant, very new-skool stack handling
// * Callee moves stack pointer, to make room for shadow regs for the biggest function _it itself calls_
@ -44,18 +24,8 @@
// Callee-save: RBX RBP R12 R13 R14 R15
// Parameters: RDI RSI RDX RCX R8 R9
#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
// MacOSX 32-bit is same as System V with a few exceptions that we probably don't care much about.
#elif ARCHITECTURE_x86_64 // 64 bit calling convention
#define ABI_ALL_FPRS BitSet32(0xffff0000)
#define ABI_ALL_GPRS BitSet32(0x0000ffff)
#ifdef _WIN32 // 64-bit Windows - the really exotic calling convention
@ -64,7 +34,11 @@
#define ABI_PARAM3 R8
#define ABI_PARAM4 R9
#else //64-bit Unix (hopefully MacOSX too)
// xmm0-xmm15 use the upper 16 bits in the functions that push/pop registers.
#define ABI_ALL_CALLER_SAVED \
(BitSet32 { RAX, RCX, RDX, R8, R9, R10, R11, \
XMM0+16, XMM1+16, XMM2+16, XMM3+16, XMM4+16, XMM5+16 })
#else //64-bit Unix / OS X
#define ABI_PARAM1 RDI
#define ABI_PARAM2 RSI
@ -73,6 +47,13 @@
#define ABI_PARAM5 R8
#define ABI_PARAM6 R9
// TODO: Avoid pushing all 16 XMM registers when possible. Most functions we call probably
// don't actually clobber them.
#define ABI_ALL_CALLER_SAVED \
(BitSet32 { RAX, RCX, RDX, RDI, RSI, R8, R9, R10, R11 } | \
ABI_ALL_FPRS)
#endif // WIN32
#endif // X86
#define ABI_ALL_CALLEE_SAVED (~ABI_ALL_CALLER_SAVED)
#define ABI_RETURN RAX