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project64/Source/Project64/UserInterface/Debugger/Breakpoints.cpp

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/****************************************************************************
* *
* Project64 - 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 *
* *
****************************************************************************/
#include "stdafx.h"
#include "Breakpoints.h"
#include <Project64-core/N64System/Mips/RegisterClass.h>
#include <Project64-core/N64System/SystemGlobals.h>
#include <Project64-core/N64System/Mips/OpcodeName.h>
#include <Project64-core/N64System/N64Class.h>
CBreakpoints::CBreakpoints() :
m_GPRWriteBP(0),
m_GPRReadBP(0),
m_HIWriteBP(false),
m_HIReadBP(false),
m_LOWriteBP(false),
m_LOReadBP(false)
{
}
bool CBreakpoints::RBPAdd(uint32_t address)
{
if (!ReadBPExists8(address))
{
PreUpdateBP();
m_ReadMem.insert(breakpoints_t::value_type(address, false));
UpdateAlignedReadBP();
if (!HaveReadBP())
{
g_Settings->SaveBool(Debugger_ReadBPExists, true);
}
PostUpdateBP();
return true;
}
return false;
}
bool CBreakpoints::WBPAdd(uint32_t address)
{
if (!WriteBPExists8(address))
{
PreUpdateBP();
m_WriteMem.insert(breakpoints_t::value_type(address, false));
UpdateAlignedWriteBP();
if (!HaveWriteBP())
{
g_Settings->SaveBool(Debugger_WriteBPExists, true);
}
PostUpdateBP();
return true;
}
return false;
}
bool CBreakpoints::AddExecution(uint32_t address, bool bTemporary)
{
PreUpdateBP();
#if _MSC_VER >= 1920 // Visual Studio 2019 deprecates _Pairib
auto res = m_Execution.insert(breakpoint_t::value_type(address, bTemporary));
#else
breakpoints_t::_Pairib res = m_Execution.insert(breakpoint_t::value_type(address, bTemporary));
#endif // _MSC_VER
if (!res.second && !bTemporary)
{
res.first->second = true;
}
if (!HaveExecutionBP())
{
g_Settings->SaveBool(Debugger_HaveExecutionBP, true);
}
PostUpdateBP();
return !res.second;
}
void CBreakpoints::RBPRemove(uint32_t address)
{
PreUpdateBP();
breakpoints_t::iterator itr = m_ReadMem.find(address);
if (itr != m_ReadMem.end())
{
m_ReadMem.erase(itr);
UpdateAlignedWriteBP();
if (m_ReadMem.size() == 0)
{
g_Settings->SaveBool(Debugger_ReadBPExists, false);
}
}
PostUpdateBP();
}
void CBreakpoints::WBPRemove(uint32_t address)
{
PreUpdateBP();
breakpoints_t::iterator itr = m_WriteMem.find(address);
if (itr != m_WriteMem.end())
{
m_WriteMem.erase(itr);
UpdateAlignedWriteBP();
if (m_WriteMem.size() == 0)
{
g_Settings->SaveBool(Debugger_WriteBPExists, false);
}
}
PostUpdateBP();
}
void CBreakpoints::RemoveExecution(uint32_t address)
{
PreUpdateBP();
breakpoints_t::iterator itr = m_Execution.find(address);
if (itr != m_Execution.end())
{
m_Execution.erase(itr);
if (m_Execution.size() == 0)
{
g_Settings->SaveBool(Debugger_HaveExecutionBP, false);
}
}
PostUpdateBP();
}
void CBreakpoints::RBPToggle(uint32_t address)
{
if (RBPAdd(address) == false)
{
RBPRemove(address);
}
}
void CBreakpoints::WBPToggle(uint32_t address)
{
if (WBPAdd(address) == false)
{
WBPRemove(address);
}
}
void CBreakpoints::EBPToggle(uint32_t address, bool bTemporary)
{
if (AddExecution(address, bTemporary) == false)
{
RemoveExecution(address);
}
}
void CBreakpoints::RBPClear()
{
PreUpdateBP();
m_ReadMem.clear();
UpdateAlignedReadBP();
g_Settings->SaveBool(Debugger_ReadBPExists, false);
PostUpdateBP();
}
void CBreakpoints::WBPClear()
{
PreUpdateBP();
m_WriteMem.clear();
UpdateAlignedWriteBP();
g_Settings->SaveBool(Debugger_WriteBPExists, false);
PostUpdateBP();
}
void CBreakpoints::EBPClear()
{
PreUpdateBP();
m_Execution.clear();
g_Settings->SaveBool(Debugger_HaveExecutionBP, false);
PostUpdateBP();
}
void CBreakpoints::BPClear()
{
RBPClear();
WBPClear();
EBPClear();
}
CBreakpoints::BPSTATE CBreakpoints::ReadBPExists8(uint32_t address)
{
breakpoints_t::const_iterator itr = m_ReadMem.find(address);
if (itr != m_ReadMem.end())
{
return BP_SET;
}
return BP_NOT_SET;
}
CBreakpoints::BPSTATE CBreakpoints::ReadBPExists16(uint32_t address)
{
breakpoints_t::const_iterator itr = m_ReadMem16.find(address);
if (itr != m_ReadMem16.end())
{
return BP_SET;
}
return BP_NOT_SET;
}
CBreakpoints::BPSTATE CBreakpoints::ReadBPExists32(uint32_t address)
{
breakpoints_t::const_iterator itr = m_ReadMem32.find(address);
if (itr != m_ReadMem32.end())
{
return BP_SET;
}
return BP_NOT_SET;
}
CBreakpoints::BPSTATE CBreakpoints::ReadBPExists64(uint32_t address)
{
breakpoints_t::const_iterator itr = m_ReadMem64.find(address);
if (itr != m_ReadMem64.end())
{
return BP_SET;
}
return BP_NOT_SET;
}
CBreakpoints::BPSTATE CBreakpoints::WriteBPExists8(uint32_t address)
{
breakpoints_t::const_iterator itr = m_WriteMem.find(address);
if (itr != m_WriteMem.end())
{
return BP_SET;
}
return BP_NOT_SET;
}
CBreakpoints::BPSTATE CBreakpoints::WriteBPExists16(uint32_t address)
{
breakpoints_t::const_iterator itr = m_WriteMem16.find(address);
if (itr != m_WriteMem16.end())
{
return BP_SET;
}
return BP_NOT_SET;
}
CBreakpoints::BPSTATE CBreakpoints::WriteBPExists32(uint32_t address)
{
breakpoints_t::const_iterator itr = m_WriteMem32.find(address);
if (itr != m_WriteMem32.end())
{
return BP_SET;
}
return BP_NOT_SET;
}
CBreakpoints::BPSTATE CBreakpoints::WriteBPExists64(uint32_t address)
{
breakpoints_t::const_iterator itr = m_WriteMem64.find(address);
if (itr != m_WriteMem64.end())
{
return BP_SET;
}
return BP_NOT_SET;
}
CBreakpoints::BPSTATE CBreakpoints::WriteBPExistsInChunk(uint32_t address, uint32_t nBytes)
{
uint32_t endAddr = address + nBytes;
for (breakpoints_t::iterator breakpoint = m_WriteMem.begin(); breakpoint != m_WriteMem.end(); breakpoint++)
{
uint32_t wbpAddr = breakpoint->first;
if (wbpAddr >= address && wbpAddr < endAddr)
{
return BP_SET;
}
}
return BP_NOT_SET;
}
CBreakpoints::BPSTATE CBreakpoints::ExecutionBPExists(uint32_t address, bool bRemoveTemp)
{
breakpoints_t::const_iterator itr = m_Execution.find(address);
if (itr != m_Execution.end())
{
if (itr->second)
{
if (bRemoveTemp)
{
m_Execution.erase(itr);
}
return BP_SET_TEMP;
}
return BP_SET;
}
return BP_NOT_SET;
}
void CBreakpoints::UpdateAlignedReadBP()
{
m_ReadMem16.clear();
m_ReadMem32.clear();
m_ReadMem64.clear();
for (breakpoints_t::const_iterator itr = m_ReadMem.begin(); itr != m_ReadMem.end(); itr++)
{
m_ReadMem16.insert(breakpoints_t::value_type((itr->first & ~0x1), false));
m_ReadMem32.insert(breakpoints_t::value_type((itr->first & ~0x3), false));
m_ReadMem64.insert(breakpoints_t::value_type((itr->first & ~0x7), false));
}
}
void CBreakpoints::UpdateAlignedWriteBP()
{
m_WriteMem16.clear();
m_WriteMem32.clear();
m_WriteMem64.clear();
for (breakpoints_t::const_iterator itr = m_WriteMem.begin(); itr != m_WriteMem.end(); itr++)
{
m_WriteMem16.insert(breakpoints_t::value_type((itr->first & ~0x1), false));
m_WriteMem32.insert(breakpoints_t::value_type((itr->first & ~0x3), false));
m_WriteMem64.insert(breakpoints_t::value_type((itr->first & ~0x7), false));
}
}
void CBreakpoints::ToggleMemLock(uint32_t address)
{
if (m_MemLocks.count(address) == 0)
{
m_MemLocks.insert(address);
return;
}
m_MemLocks.erase(address);
}
bool CBreakpoints::MemLockExists(uint32_t address, int nBytes)
{
for (memlocks_t::const_iterator itr = m_MemLocks.begin(); itr != m_MemLocks.end(); itr++)
{
if (*itr >= address && *itr < (address + nBytes))
{
return true;
}
}
return false;
}
void CBreakpoints::ClearMemLocks()
{
m_MemLocks.clear();
}
size_t CBreakpoints::NumMemLocks()
{
return m_MemLocks.size();
}
bool CBreakpoints::HaveAnyGPRWriteBP(void) { return m_GPRWriteBP != 0; }
bool CBreakpoints::HaveAnyGPRReadBP(void) { return m_GPRReadBP != 0; }
bool CBreakpoints::HaveGPRWriteBP(int nReg) { return (m_GPRWriteBP & (1 << nReg)) != 0; }
bool CBreakpoints::HaveGPRReadBP(int nReg) { return (m_GPRReadBP & (1 << nReg)) != 0; }
void CBreakpoints::ToggleGPRWriteBP(int nReg) { m_GPRWriteBP ^= (1 << nReg); }
void CBreakpoints::ToggleGPRReadBP(int nReg) { m_GPRReadBP ^= (1 << nReg); }
bool CBreakpoints::HaveHIWriteBP(void) { return m_HIWriteBP; }
bool CBreakpoints::HaveHIReadBP(void) { return m_HIReadBP; }
bool CBreakpoints::HaveLOWriteBP(void) { return m_LOWriteBP; }
bool CBreakpoints::HaveLOReadBP(void) { return m_LOReadBP; }
void CBreakpoints::ToggleHIWriteBP(void) { m_HIWriteBP = !m_HIWriteBP; }
void CBreakpoints::ToggleHIReadBP(void) { m_HIReadBP = !m_HIReadBP; }
void CBreakpoints::ToggleLOWriteBP(void) { m_LOWriteBP = !m_LOWriteBP; }
void CBreakpoints::ToggleLOReadBP(void) { m_LOReadBP = !m_LOReadBP; }
void CBreakpoints::PreUpdateBP()
{
if (g_BaseSystem)
{
g_BaseSystem->ExternalEvent(SysEvent_PauseCPU_ChangingBPs);
}
}
void CBreakpoints::PostUpdateBP()
{
if (g_BaseSystem)
{
g_BaseSystem->ExternalEvent(SysEvent_ResetRecompilerCode);
g_BaseSystem->ExternalEvent(SysEvent_ResumeCPU_ChangingBPs);
}
}
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