project64/Source/Project64/N64 System/Recompiler/Code Block.h

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2012-12-19 09:30:18 +00:00
/****************************************************************************
* *
* Project 64 - A Nintendo 64 emulator. *
* http://www.pj64-emu.com/ *
* Copyright (C) 2012 Project64. All rights reserved. *
* *
* License: *
* GNU/GPLv2 http://www.gnu.org/licenses/gpl-2.0.html *
* *
****************************************************************************/
#pragma once
class CCodeBlock :
private CRecompilerOps
{
public:
CCodeBlock(uint32_t VAddrEnter, uint8_t * RecompPos );
~CCodeBlock();
bool Compile();
uint32_t VAddrEnter() const { return m_VAddrEnter; }
uint32_t VAddrFirst() const { return m_VAddrFirst; }
uint32_t VAddrLast() const { return m_VAddrLast; }
uint8_t * CompiledLocation() const { return m_CompiledLocation; }
int32_t NoOfSections() const { return m_Sections.size(); }
const CCodeSection & EnterSection() const { return *m_EnterSection; }
const MD5Digest & Hash() const { return m_Hash; }
void SetVAddrFirst(uint32_t VAddr) { m_VAddrFirst = VAddr; }
void SetVAddrLast(uint32_t VAddr) { m_VAddrLast = VAddr; }
CCodeSection * ExistingSection(uint32_t Addr) { return m_EnterSection->ExistingSection(Addr, NextTest()); }
bool SectionAccessible(uint32_t m_SectionID) { return m_EnterSection->SectionAccessible(m_SectionID, NextTest()); }
uint64_t MemContents(int32_t i) const { return m_MemContents[i]; }
uint64_t * MemLocation(int32_t i) const { return m_MemLocation[i]; }
uint32_t NextTest();
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EXIT_LIST m_ExitInfo;
private:
CCodeBlock(); // Disable default constructor
CCodeBlock(const CCodeBlock&); // Disable copy constructor
CCodeBlock& operator=(const CCodeBlock&); // Disable assignment
bool AnalyseBlock();
void CompileExitCode();
bool CreateBlockLinkage ( CCodeSection * EnterSection );
void DetermineLoops ();
void LogSectionInfo ();
bool SetSection ( CCodeSection * & Section, CCodeSection * CurrentSection, uint32_t TargetPC, bool LinkAllowed, uint32_t CurrentPC );
bool AnalyzeInstruction ( uint32_t PC, uint32_t & TargetPC, uint32_t & ContinuePC, bool & LikelyBranch, bool & IncludeDelaySlot,
bool & EndBlock, bool & PermLoop );
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uint32_t m_VAddrEnter;
uint32_t m_VAddrFirst; // the address of the first opcode in the block
uint32_t m_VAddrLast; // the address of the first opcode in the block
uint8_t* m_CompiledLocation; // What address is this compiled at
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typedef std::map<uint32_t,CCodeSection *> SectionMap;
typedef std::list<CCodeSection *> SectionList;
SectionMap m_SectionMap;
SectionList m_Sections;
CCodeSection * m_EnterSection;
int32_t m_Test;
MD5Digest m_Hash;
uint64_t m_MemContents[2];
uint64_t * m_MemLocation[2];
};