daedalus/Source/DynaRec/TraceRecorder.h
2023-06-26 22:11:40 +10:00

75 lines
2.1 KiB
C++

/*
Copyright (C) 2006 StrmnNrmn
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; either version 2
of the License, or (at your option) any later version.
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 for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef DYNAREC_TRACERECORDER_H_
#define DYNAREC_TRACERECORDER_H_
#include <stdlib.h>
#include <vector>
#include "DynaRec/Trace.h"
#include "DynaRec/RegisterSpan.h"
class CFragment;
class CCodeBufferManager;
class CTraceRecorder
{
public:
CTraceRecorder();
void StartTrace( u32 address );
enum EUpdateTraceStatus
{
UTS_CONTINUE_TRACE,
UTS_CREATE_FRAGMENT,
};
EUpdateTraceStatus UpdateTrace( u32 address, bool branch_delay_slot, bool branch_taken, OpCode op_code, CFragment * p_fragment );
void StopTrace( u32 exit_address );
CFragment * CreateFragment( std::unique_ptr<CCodeBufferManager> p_manager );
void AbortTrace();
bool IsTraceActive() const { return mTracing; }
#ifdef DAEDALUS_ENABLE_ASSERTS
u32 GetStartTraceAddress() const { DAEDALUS_ASSERT_Q( mTracing ); return mStartTraceAddress; }
#else
u32 GetStartTraceAddress() const {return mStartTraceAddress;}
#endif
private:
bool mTracing;
u32 mStartTraceAddress;
std::vector< STraceEntry > mTraceBuffer;
std::vector< SBranchDetails > mBranchDetails;
u32 mExpectedExitTraceAddress;
u32 mActiveBranchIdx; // Index into mBranchDetails
bool mStopTraceAfterDelaySlot;
bool mNeedIndirectExitMap;
void Analyse(SRegisterUsageInfo & register_usage );
};
extern CTraceRecorder gTraceRecorder;
#endif // DYNAREC_TRACERECORDER_H_