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

74 lines
3.1 KiB
C++

/****************************************************************************
* *
* 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(DWORD VAddrEnter, BYTE * RecompPos );
~CCodeBlock();
bool Compile();
DWORD VAddrEnter() const { return m_VAddrEnter; }
DWORD VAddrFirst() const { return m_VAddrFirst; }
DWORD VAddrLast() const { return m_VAddrLast; }
BYTE * CompiledLocation() const { return m_CompiledLocation; }
int NoOfSections() const { return m_Sections.size(); }
const CCodeSection & EnterSection() const { return *m_EnterSection; }
const MD5Digest & Hash() const { return m_Hash; }
void SetVAddrFirst(DWORD VAddr) { m_VAddrFirst = VAddr; }
void SetVAddrLast(DWORD VAddr) { m_VAddrLast = VAddr; }
CCodeSection * ExistingSection(DWORD Addr) { return m_EnterSection->ExistingSection(Addr, NextTest()); }
bool SectionAccessible(DWORD m_SectionID) { return m_EnterSection->SectionAccessible(m_SectionID, NextTest()); }
QWORD MemContents(int i) const { return m_MemContents[i]; }
QWORD * MemLocation(int i) const { return m_MemLocation[i]; }
DWORD NextTest();
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, DWORD TargetPC, bool LinkAllowed, DWORD CurrentPC );
bool AnalyzeInstruction ( DWORD PC, DWORD & TargetPC, DWORD & ContinuePC, bool & LikelyBranch, bool & IncludeDelaySlot,
bool & EndBlock, bool & PermLoop );
DWORD m_VAddrEnter;
DWORD m_VAddrFirst; // the address of the first opcode in the block
DWORD m_VAddrLast; // the address of the first opcode in the block
BYTE* m_CompiledLocation; // What address is this compiled at
typedef std::map<DWORD,CCodeSection *> SectionMap;
typedef std::list<CCodeSection *> SectionList;
SectionMap m_SectionMap;
SectionList m_Sections;
CCodeSection * m_EnterSection;
long m_Test;
MD5Digest m_Hash;
QWORD m_MemContents[2];
QWORD * m_MemLocation[2];
};