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https://github.com/DaedalusX64/daedalus.git
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79 lines
2.8 KiB
C++
79 lines
2.8 KiB
C++
/*
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Copyright (C) 2001,2005 StrmnNrmn
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#pragma once
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#ifndef DYNAREC_CODEGENERATOR_H_
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#define DYNAREC_CODEGENERATOR_H_
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struct OpCode;
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struct SBranchDetails;
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class CIndirectExitMap;
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#include "Core/R4300Instruction.h"
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#include "DynaRec/AssemblyUtils.h"
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#include "DynaRec/RegisterSpan.h"
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#include "DynaRec/TraceRecorder.h"
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//
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// Allow an architecure-independent way of passing around register sets
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//
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struct RegisterSnapshotHandle
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{
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explicit RegisterSnapshotHandle( u32 handle ) : Handle( handle ) {}
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u32 Handle;
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};
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class CCodeGenerator
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{
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public:
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using ExceptionHandlerFn = void (*)();
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CCodeGenerator() {}
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virtual ~CCodeGenerator() {}
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virtual void Initialise( u32 entry_address, u32 exit_address, u32 * hit_counter, const void * p_base, const SRegisterUsageInfo & register_usage ) = 0;
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virtual void Finalise( ExceptionHandlerFn p_exception_handler_fn, const std::vector< CJumpLocation > & exception_handler_jumps ) = 0;
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virtual void UpdateRegisterCaching( u32 instruction_idx ) = 0;
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virtual RegisterSnapshotHandle GetRegisterSnapshot() = 0;
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virtual CCodeLabel GetEntryPoint() const = 0;
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virtual CCodeLabel GetCurrentLocation() const = 0;
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// virtual u32 GetCompiledCodeSize() const = 0;
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virtual CJumpLocation GenerateExitCode( u32 exit_address, u32 jump_address, u32 num_instructions, CCodeLabel next_fragment ) = 0;
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virtual void GenerateEretExitCode( u32 num_instructions, CIndirectExitMap * p_map ) = 0;
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virtual void GenerateIndirectExitCode( u32 num_instructions, CIndirectExitMap * p_map ) = 0;
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virtual void GenerateBranchHandler( CJumpLocation branch_handler_jump, RegisterSnapshotHandle snapshot ) = 0;
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virtual CJumpLocation GenerateOpCode(const STraceEntry& ti, bool branch_delay_slot, const SBranchDetails * p_branch, CJumpLocation * p_branch_jump) = 0;
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virtual CJumpLocation ExecuteNativeFunction( CCodeLabel speed_hack, bool check_return = false ) = 0;
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};
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extern "C"
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{
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void R4300_CALL_TYPE _EnterDynaRec( const void * p_function, const void * p_base_pointer, const void * p_rebased_mem, u32 mem_limit );
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}
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#endif // DYNAREC_CODEGENERATOR_H_
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