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x64: Proper stack alignment in shader JIT function calls

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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
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40
src/common/x64/emitter.h
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@ -18,6 +18,7 @@
#pragma once
#include "common/assert.h"
#include "common/bit_set.h"
#include "common/common_types.h"
#include "common/code_block.h"
@ -356,7 +357,7 @@ private:
void WriteFloatLoadStore(int bits, FloatOp op, FloatOp op_80b, const OpArg& arg);
void WriteNormalOp(XEmitter *emit, int bits, NormalOp op, const OpArg& a1, const OpArg& a2);
void ABI_CalculateFrameSize(u32 mask, size_t rsp_alignment, size_t needed_frame_size, size_t* shadowp, size_t* subtractionp, size_t* xmm_offsetp);
void ABI_CalculateFrameSize(BitSet32 mask, size_t rsp_alignment, size_t needed_frame_size, size_t* shadowp, size_t* subtractionp, size_t* xmm_offsetp);
protected:
void Write8(u8 value);
@ -1007,25 +1008,26 @@ public:
ABI_CallFunctionC((const void*)func, param1);
}
// A function that doesn't have any control over what it will do to regs,
// such as the dispatcher, should be surrounded by these.
void ABI_PushAllCalleeSavedRegsAndAdjustStack();
void ABI_PopAllCalleeSavedRegsAndAdjustStack();
/**
* Saves specified registers and adjusts the stack to be 16-byte aligned as required by the ABI
*
* @param mask Registers to push on the stack (high 16 bits are XMMs, low 16 bits are GPRs)
* @param rsp_alignment Current alignment of the stack pointer, must be 0 or 8
* @param needed_frame_size Additional space needed, e.g., for function arguments passed on the stack
* @return Size of the shadow space, i.e., offset of the frame
*/
size_t ABI_PushRegistersAndAdjustStack(BitSet32 mask, size_t rsp_alignment, size_t needed_frame_size = 0);
// A function that doesn't know anything about it's surroundings, should
// be surrounded by these to establish a safe environment, where it can roam free.
// An example is a backpatch injected function.
void ABI_PushAllCallerSavedRegsAndAdjustStack();
void ABI_PopAllCallerSavedRegsAndAdjustStack();
unsigned int ABI_GetAlignedFrameSize(unsigned int frameSize);
void ABI_AlignStack(unsigned int frameSize);
void ABI_RestoreStack(unsigned int frameSize);
// Sets up a __cdecl function.
// Only x64 really needs the parameter count.
void ABI_EmitPrologue(int maxCallParams);
void ABI_EmitEpilogue(int maxCallParams);
/**
* Restores specified registers and adjusts the stack to its original alignment, i.e., the alignment before
* the matching PushRegistersAndAdjustStack.
*
* @param mask Registers to restores from the stack (high 16 bits are XMMs, low 16 bits are GPRs)
* @param rsp_alignment Original alignment before the matching PushRegistersAndAdjustStack, must be 0 or 8
* @param needed_frame_size Additional space that was needed
* @warning Stack must be currently 16-byte aligned
*/
void ABI_PopRegistersAndAdjustStack(BitSet32 mask, size_t rsp_alignment, size_t needed_frame_size = 0);
#ifdef _M_IX86
static int ABI_GetNumXMMRegs() { return 8; }