Play-/Source/BasicBlock.h
2019-05-09 13:00:34 -04:00

112 lines
2.2 KiB
C++

#pragma once
#include "MIPS.h"
#include "MemoryFunction.h"
#ifdef AOT_BUILD_CACHE
#include "StdStream.h"
#include <mutex>
#endif
struct AOT_BLOCK_KEY
{
uint32 crc;
uint32 begin;
uint32 end;
bool operator<(const AOT_BLOCK_KEY& k2) const
{
const auto& k1 = (*this);
if(k1.crc == k2.crc)
{
if(k1.begin == k2.begin)
{
return k1.end < k2.end;
}
else
{
return k1.begin < k2.begin;
}
}
else
{
return k1.crc < k2.crc;
}
}
};
static_assert(sizeof(AOT_BLOCK_KEY) == 0x0C, "AOT_BLOCK_KEY must be 12 bytes long.");
namespace Jitter
{
class CJitter;
};
extern "C"
{
void EmptyBlockHandler(CMIPS*);
void NextBlockTrampoline(CMIPS*);
}
class CBasicBlock
{
public:
enum LINK_SLOT
{
LINK_SLOT_NEXT,
LINK_SLOT_BRANCH,
LINK_SLOT_MAX,
};
CBasicBlock(CMIPS&, uint32 = MIPS_INVALID_PC, uint32 = MIPS_INVALID_PC);
virtual ~CBasicBlock() = default;
void Execute();
void Compile();
virtual void CompileRange(CMipsJitter*);
uint32 GetBeginAddress() const;
uint32 GetEndAddress() const;
bool IsCompiled() const;
bool IsEmpty() const;
uint32 GetLinkTargetAddress(LINK_SLOT);
void SetLinkTargetAddress(LINK_SLOT, uint32);
void LinkBlock(LINK_SLOT, CBasicBlock*);
void UnlinkBlock(LINK_SLOT);
#ifdef AOT_BUILD_CACHE
static void SetAotBlockOutputStream(Framework::CStdStream*);
#endif
protected:
uint32 m_begin;
uint32 m_end;
CMIPS& m_context;
void CompileProlog(CMipsJitter*);
void CompileEpilog(CMipsJitter*);
private:
void HandleExternalFunctionReference(uintptr_t, uint32, Jitter::CCodeGen::SYMBOL_REF_TYPE);
#ifdef DEBUGGER_INCLUDED
bool HasBreakpoint() const;
static uint32 BreakpointFilter(CMIPS*);
static void BreakpointHandler(CMIPS*);
#endif
#ifdef AOT_BUILD_CACHE
static Framework::CStdStream* m_aotBlockOutputStream;
static std::mutex m_aotBlockOutputStreamMutex;
#endif
#ifndef AOT_USE_CACHE
CMemoryFunction m_function;
#else
void (*m_function)(void*);
#endif
uint32 m_linkTargetAddress[LINK_SLOT_MAX];
uint32 m_linkBlockTrampolineOffset[LINK_SLOT_MAX];
#ifdef _DEBUG
CBasicBlock* m_linkBlock[LINK_SLOT_MAX];
#endif
};