Remove dumb CodeBlock duplication in the emitters.
Fixes issue 6990. This uses a bit of templating to remove the duplicate code that is the CodeBlocks in each emitter headers. No actual functionality change in this.
This commit is contained in:
parent
7d8604ac1c
commit
87d106d65c
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@ -8,8 +8,8 @@
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#include <vector>
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#include <vector>
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#include "Common/CodeBlock.h"
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#include "Common/Common.h"
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#include "Common/Common.h"
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#include "Common/MemoryUtil.h"
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#if defined(__SYMBIAN32__) || defined(PANDORA)
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#if defined(__SYMBIAN32__) || defined(PANDORA)
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#include <signal.h>
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#include <signal.h>
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@ -700,78 +700,18 @@ public:
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void VST1(u32 Size, ARMReg Vd, ARMReg Rn, NEONAlignment align = ALIGN_NONE, ARMReg Rm = _PC);
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void VST1(u32 Size, ARMReg Vd, ARMReg Rn, NEONAlignment align = ALIGN_NONE, ARMReg Rm = _PC);
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};
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};
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// Everything that needs to generate X86 code should inherit from this.
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class ARMCodeBlock : public CodeBlock<ARMXEmitter>
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// You get memory management for free, plus, you can use all the MOV etc functions without
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// having to prefix them with gen-> or something similar.
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class ARMXCodeBlock : public ARMXEmitter
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{
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{
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protected:
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private:
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u8 *region;
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void PoisonMemory() override
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size_t region_size;
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public:
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ARMXCodeBlock() : region(nullptr), region_size(0) {}
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virtual ~ARMXCodeBlock() { if (region) FreeCodeSpace(); }
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// Call this before you generate any code.
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void AllocCodeSpace(int size)
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{
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{
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region_size = size;
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u32* ptr = (u32*)region;
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region = (u8*)AllocateExecutableMemory(region_size);
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u32* maxptr = (u32*)region + region_size;
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SetCodePtr(region);
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// If our memory isn't a multiple of u32 then this won't write the last remaining bytes with anything
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}
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// Less than optimal, but there would be nothing we could do but throw a runtime warning anyway.
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// ARM: 0x01200070 = BKPT 0
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// Always clear code space with breakpoints, so that if someone accidentally executes
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while (ptr < maxptr)
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// uninitialized, it just breaks into the debugger.
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*ptr++ = 0x01200070;
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void ClearCodeSpace()
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{
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// x86/64: 0xCC = breakpoint
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memset(region, 0xCC, region_size);
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ResetCodePtr();
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}
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// Call this when shutting down. Don't rely on the destructor, even though it'll do the job.
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void FreeCodeSpace()
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{
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#ifndef __SYMBIAN32__
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FreeMemoryPages(region, region_size);
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region = nullptr;
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#endif
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region_size = 0;
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}
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bool IsInSpace(u8 *ptr)
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{
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return ptr >= region && ptr < region + region_size;
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}
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// Cannot currently be undone. Will write protect the entire code region.
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// Start over if you need to change the code (call FreeCodeSpace(), AllocCodeSpace()).
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void WriteProtect()
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{
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WriteProtectMemory(region, region_size, true);
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}
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void UnWriteProtect()
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{
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UnWriteProtectMemory(region, region_size, false);
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}
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void ResetCodePtr()
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{
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SetCodePtr(region);
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}
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size_t GetSpaceLeft() const
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{
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return region_size - (GetCodePtr() - region);
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}
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u8 *GetBasePtr() {
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return region;
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}
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size_t GetOffset(u8 *ptr) {
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return ptr - region;
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}
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}
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};
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};
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@ -0,0 +1,76 @@
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// Copyright 2013 Dolphin Emulator Project
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// Licensed under GPLv2
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// Refer to the license.txt file included.
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#pragma once
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#include "Common/Common.h"
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#include "Common/MemoryUtil.h"
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// Everything that needs to generate code should inherit from this.
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// You get memory management for free, plus, you can use all emitter functions without
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// having to prefix them with gen-> or something similar.
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// Example implementation:
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// class JIT : public CodeBlock<ARMXEmitter> {}
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template<class T> class CodeBlock : public T, NonCopyable
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{
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private:
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// A privately used function to set the executable RAM space to something invalid.
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// For debugging usefulness it should be used to set the RAM to a host specific breakpoint instruction
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virtual void PoisonMemory() = 0;
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protected:
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u8 *region;
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size_t region_size;
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public:
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CodeBlock() : region(nullptr), region_size(0) {}
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virtual ~CodeBlock() { if (region) FreeCodeSpace(); }
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// Call this before you generate any code.
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void AllocCodeSpace(int size)
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{
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region_size = size;
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region = (u8*)AllocateExecutableMemory(region_size);
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T::SetCodePtr(region);
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}
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// Always clear code space with breakpoints, so that if someone accidentally executes
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// uninitialized, it just breaks into the debugger.
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void ClearCodeSpace()
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{
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PoisonMemory();
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ResetCodePtr();
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}
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// Call this when shutting down. Don't rely on the destructor, even though it'll do the job.
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void FreeCodeSpace()
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{
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FreeMemoryPages(region, region_size);
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region = nullptr;
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region_size = 0;
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}
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bool IsInSpace(u8 *ptr)
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{
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return (ptr >= region) && (ptr < (region + region_size));
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}
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// Cannot currently be undone. Will write protect the entire code region.
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// Start over if you need to change the code (call FreeCodeSpace(), AllocCodeSpace()).
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void WriteProtect()
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{
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WriteProtectMemory(region, region_size, true);
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}
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void ResetCodePtr()
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{
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T::SetCodePtr(region);
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}
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size_t GetSpaceLeft() const
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{
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return region_size - (T::GetCodePtr() - region);
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}
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};
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@ -50,6 +50,7 @@
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<ClInclude Include="BreakPoints.h" />
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<ClInclude Include="BreakPoints.h" />
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<ClInclude Include="CDUtils.h" />
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<ClInclude Include="CDUtils.h" />
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<ClInclude Include="ChunkFile.h" />
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<ClInclude Include="ChunkFile.h" />
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<ClInclude Include="CodeBlock.h" />
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<ClInclude Include="ColorUtil.h" />
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<ClInclude Include="ColorUtil.h" />
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<ClInclude Include="Common.h" />
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<ClInclude Include="Common.h" />
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<ClInclude Include="CommonFuncs.h" />
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<ClInclude Include="CommonFuncs.h" />
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<ClInclude Include="BreakPoints.h" />
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<ClInclude Include="BreakPoints.h" />
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<ClInclude Include="CDUtils.h" />
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<ClInclude Include="CDUtils.h" />
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<ClInclude Include="ChunkFile.h" />
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<ClInclude Include="ChunkFile.h" />
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<ClInclude Include="CodeBlock.h" />
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<ClInclude Include="ColorUtil.h" />
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<ClInclude Include="ColorUtil.h" />
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<ClInclude Include="Common.h" />
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<ClInclude Include="Common.h" />
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<ClInclude Include="CommonFuncs.h" />
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<ClInclude Include="CommonFuncs.h" />
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@ -10,8 +10,8 @@
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#include <cstring>
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#include <cstring>
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#include <functional>
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#include <functional>
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#include "Common/CodeBlock.h"
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#include "Common/Common.h"
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#include "Common/Common.h"
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#include "Common/MemoryUtil.h"
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namespace Gen
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namespace Gen
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{
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{
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@ -762,65 +762,13 @@ public:
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}
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}
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}; // class XEmitter
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}; // class XEmitter
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class X64CodeBlock : public CodeBlock<XEmitter>
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// Everything that needs to generate X86 code should inherit from this.
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// You get memory management for free, plus, you can use all the MOV etc functions without
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// having to prefix them with gen-> or something similar.
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class XCodeBlock : public XEmitter
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{
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{
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protected:
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private:
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u8 *region;
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void PoisonMemory() override
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size_t region_size;
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public:
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XCodeBlock() : region(nullptr), region_size(0) {}
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virtual ~XCodeBlock() { if (region) FreeCodeSpace(); }
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// Call this before you generate any code.
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void AllocCodeSpace(int size)
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{
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region_size = size;
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region = (u8*)AllocateExecutableMemory(region_size);
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SetCodePtr(region);
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}
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// Always clear code space with breakpoints, so that if someone accidentally executes
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// uninitialized, it just breaks into the debugger.
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void ClearCodeSpace()
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{
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{
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// x86/64: 0xCC = breakpoint
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// x86/64: 0xCC = breakpoint
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memset(region, 0xCC, region_size);
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memset(region, 0xCC, region_size);
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ResetCodePtr();
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}
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// Call this when shutting down. Don't rely on the destructor, even though it'll do the job.
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void FreeCodeSpace()
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{
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FreeMemoryPages(region, region_size);
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region = nullptr;
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region_size = 0;
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}
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bool IsInSpace(u8 *ptr)
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{
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return ptr >= region && ptr < region + region_size;
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}
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// Cannot currently be undone. Will write protect the entire code region.
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// Start over if you need to change the code (call FreeCodeSpace(), AllocCodeSpace()).
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void WriteProtect()
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{
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WriteProtectMemory(region, region_size, true);
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}
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void ResetCodePtr()
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{
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SetCodePtr(region);
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}
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size_t GetSpaceLeft() const
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{
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return region_size - (GetCodePtr() - region);
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}
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}
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};
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};
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typedef u32 (*DSPCompiledCode)();
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typedef u32 (*DSPCompiledCode)();
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typedef const u8 *Block;
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typedef const u8 *Block;
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class DSPEmitter : public Gen::XCodeBlock, NonCopyable
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class DSPEmitter : public Gen::X64CodeBlock
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{
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{
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public:
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public:
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DSPEmitter();
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DSPEmitter();
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#include "Core/PowerPC/JitCommon/JitBase.h"
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#include "Core/PowerPC/JitCommon/JitBase.h"
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#define PPCSTATE_OFF(elem) ((s32)STRUCT_OFF(PowerPC::ppcState, elem) - (s32)STRUCT_OFF(PowerPC::ppcState, spr[0]))
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#define PPCSTATE_OFF(elem) ((s32)STRUCT_OFF(PowerPC::ppcState, elem) - (s32)STRUCT_OFF(PowerPC::ppcState, spr[0]))
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class JitArm : public JitBase, public ArmGen::ARMXCodeBlock
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class JitArm : public JitBase, public ArmGen::ARMCodeBlock
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{
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{
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private:
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private:
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JitArmBlockCache blocks;
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JitArmBlockCache blocks;
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#include "Common/ArmEmitter.h"
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#include "Common/ArmEmitter.h"
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#include "Core/PowerPC/JitCommon/JitAsmCommon.h"
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#include "Core/PowerPC/JitCommon/JitAsmCommon.h"
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using namespace ArmGen;
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class JitArmAsmRoutineManager : public CommonAsmRoutinesBase, public ArmGen::ARMCodeBlock
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class JitArmAsmRoutineManager : public CommonAsmRoutinesBase, public ARMXCodeBlock
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{
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{
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private:
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private:
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void Generate();
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void Generate();
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#include "Core/PowerPC/JitILCommon/JitILBase.h"
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#include "Core/PowerPC/JitILCommon/JitILBase.h"
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#define PPCSTATE_OFF(elem) ((s32)STRUCT_OFF(PowerPC::ppcState, elem) - (s32)STRUCT_OFF(PowerPC::ppcState, spr[0]))
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#define PPCSTATE_OFF(elem) ((s32)STRUCT_OFF(PowerPC::ppcState, elem) - (s32)STRUCT_OFF(PowerPC::ppcState, spr[0]))
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class JitArmIL : public JitILBase, public ArmGen::ARMXCodeBlock
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class JitArmIL : public JitILBase, public ArmGen::ARMCodeBlock
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{
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{
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private:
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private:
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JitArmBlockCache blocks;
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JitArmBlockCache blocks;
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//
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//
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void WriteCode(u32 exitAddress);
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void WriteCode(u32 exitAddress);
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void WriteExit(u32 destination);
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void WriteExit(u32 destination);
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void WriteExitDestInReg(ARMReg Reg);
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void WriteExitDestInReg(ArmGen::ARMReg Reg);
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void WriteRfiExitDestInR(ARMReg Reg);
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void WriteRfiExitDestInR(ArmGen::ARMReg Reg);
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void WriteExceptionExit();
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void WriteExceptionExit();
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// OPCODES
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// OPCODES
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void DynaRunTable63(UGeckoInstruction inst);
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void DynaRunTable63(UGeckoInstruction inst);
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// Binary ops
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// Binary ops
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void BIN_AND(ARMReg reg, Operand2 op2);
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void BIN_AND(ArmGen::ARMReg reg, ArmGen::Operand2 op2);
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void BIN_XOR(ARMReg reg, Operand2 op2);
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void BIN_XOR(ArmGen::ARMReg reg, ArmGen::Operand2 op2);
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void BIN_OR(ARMReg reg, Operand2 op2);
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void BIN_OR(ArmGen::ARMReg reg, ArmGen::Operand2 op2);
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void BIN_ADD(ARMReg reg, Operand2 op2);
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void BIN_ADD(ArmGen::ARMReg reg, ArmGen::Operand2 op2);
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// Branches
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// Branches
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void bx(UGeckoInstruction inst);
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void bx(UGeckoInstruction inst);
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#include "Core/PowerPC/JitArmIL/JitILAsm.h"
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#include "Core/PowerPC/JitArmIL/JitILAsm.h"
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#include "Core/PowerPC/JitCommon/JitCache.h"
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#include "Core/PowerPC/JitCommon/JitCache.h"
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using namespace ArmGen;
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JitArmILAsmRoutineManager armil_asm_routines;
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JitArmILAsmRoutineManager armil_asm_routines;
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void JitArmILAsmRoutineManager::Generate()
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void JitArmILAsmRoutineManager::Generate()
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{
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{
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#include "Common/ArmEmitter.h"
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#include "Common/ArmEmitter.h"
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#include "Core/PowerPC/JitCommon/JitAsmCommon.h"
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#include "Core/PowerPC/JitCommon/JitAsmCommon.h"
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using namespace ArmGen;
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class JitArmILAsmRoutineManager : public CommonAsmRoutinesBase, public ArmGen::ARMCodeBlock
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class JitArmILAsmRoutineManager : public CommonAsmRoutinesBase, public ARMXCodeBlock
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{
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{
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private:
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private:
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void Generate();
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void Generate();
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@ -234,7 +234,7 @@ static inline u64 *ContextRN(SContext* ctx, int n)
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#define CTX_PC CTX_EIP
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#define CTX_PC CTX_EIP
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#endif
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#endif
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class TrampolineCache : public Gen::XCodeBlock
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class TrampolineCache : public Gen::X64CodeBlock
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{
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{
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public:
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public:
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void Init();
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void Init();
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@ -125,7 +125,7 @@ template <typename T>
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class MMIOReadCodeGenerator : public MMIO::ReadHandlingMethodVisitor<T>
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class MMIOReadCodeGenerator : public MMIO::ReadHandlingMethodVisitor<T>
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{
|
{
|
||||||
public:
|
public:
|
||||||
MMIOReadCodeGenerator(Gen::XCodeBlock* code, u32 registers_in_use,
|
MMIOReadCodeGenerator(Gen::X64CodeBlock* code, u32 registers_in_use,
|
||||||
Gen::X64Reg dst_reg, u32 address, bool sign_extend)
|
Gen::X64Reg dst_reg, u32 address, bool sign_extend)
|
||||||
: m_code(code), m_registers_in_use(registers_in_use), m_dst_reg(dst_reg),
|
: m_code(code), m_registers_in_use(registers_in_use), m_dst_reg(dst_reg),
|
||||||
m_address(address), m_sign_extend(sign_extend)
|
m_address(address), m_sign_extend(sign_extend)
|
||||||
|
@ -199,7 +199,7 @@ private:
|
||||||
MoveOpArgToReg(sbits, R(EAX));
|
MoveOpArgToReg(sbits, R(EAX));
|
||||||
}
|
}
|
||||||
|
|
||||||
Gen::XCodeBlock* m_code;
|
Gen::X64CodeBlock* m_code;
|
||||||
u32 m_registers_in_use;
|
u32 m_registers_in_use;
|
||||||
Gen::X64Reg m_dst_reg;
|
Gen::X64Reg m_dst_reg;
|
||||||
u32 m_address;
|
u32 m_address;
|
||||||
|
|
|
@ -22,7 +22,7 @@ namespace MMIO { class Mapping; }
|
||||||
|
|
||||||
|
|
||||||
// Like XCodeBlock but has some utilities for memory access.
|
// Like XCodeBlock but has some utilities for memory access.
|
||||||
class EmuCodeBlock : public Gen::XCodeBlock
|
class EmuCodeBlock : public Gen::X64CodeBlock
|
||||||
{
|
{
|
||||||
public:
|
public:
|
||||||
void UnsafeLoadRegToReg(Gen::X64Reg reg_addr, Gen::X64Reg reg_value, int accessSize, s32 offset = 0, bool signExtend = false);
|
void UnsafeLoadRegToReg(Gen::X64Reg reg_addr, Gen::X64Reg reg_value, int accessSize, s32 offset = 0, bool signExtend = false);
|
||||||
|
|
|
@ -88,7 +88,7 @@ private:
|
||||||
|
|
||||||
// ARMTODO: This should be done in a better way
|
// ARMTODO: This should be done in a better way
|
||||||
#ifndef _M_GENERIC
|
#ifndef _M_GENERIC
|
||||||
class VertexLoader : public Gen::XCodeBlock, NonCopyable
|
class VertexLoader : public Gen::X64CodeBlock
|
||||||
#else
|
#else
|
||||||
class VertexLoader
|
class VertexLoader
|
||||||
#endif
|
#endif
|
||||||
|
|
Loading…
Reference in New Issue