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Mesen-SX/Core/Disassembler.cpp

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#include "stdafx.h"
#include <algorithm>
#include "Disassembler.h"
#include "DisassemblyInfo.h"
#include "Cpu.h"
#include "Spc.h"
#include "NecDsp.h"
#include "Sa1.h"
#include "Gsu.h"
#include "Cx4.h"
#include "BsxCart.h"
#include "BsxMemoryPack.h"
#include "Gameboy.h"
#include "Debugger.h"
#include "MemoryManager.h"
#include "LabelManager.h"
#include "CpuTypes.h"
#include "MemoryDumper.h"
#include "Console.h"
#include "CodeDataLogger.h"
#include "DebugBreakHelper.h"
#include "BaseCartridge.h"
#include "EmuSettings.h"
#include "DebugUtilities.h"
#include "../Utilities/FastString.h"
#include "../Utilities/HexUtilities.h"
#include "../Utilities/StringUtilities.h"
Disassembler::Disassembler(shared_ptr<Console> console, shared_ptr<CodeDataLogger> cdl, Debugger* debugger)
{
shared_ptr<BaseCartridge> cart = console->GetCartridge();
_cdl = cdl;
_debugger = debugger;
_labelManager = debugger->GetLabelManager();
_console = console.get();
_cpu = console->GetCpu().get();
_spc = console->GetSpc().get();
_gsu = cart->GetGsu();
_sa1 = cart->GetSa1();
_gameboy = cart->GetGameboy();
_settings = console->GetSettings().get();
_memoryDumper = _debugger->GetMemoryDumper().get();
_memoryManager = console->GetMemoryManager().get();
_prgRom = console->GetCartridge()->DebugGetPrgRom();
_prgRomSize = console->GetCartridge()->DebugGetPrgRomSize();
_sram = console->GetCartridge()->DebugGetSaveRam();
_sramSize = console->GetCartridge()->DebugGetSaveRamSize();
_wram = _memoryManager->DebugGetWorkRam();
_wramSize = MemoryManager::WorkRamSize;
_spcRam = _spc->GetSpcRam();
_spcRamSize = Spc::SpcRamSize;
_spcRom = _spc->GetSpcRom();
_spcRomSize = Spc::SpcRomSize;
_necDspProgramRom = cart->GetDsp() ? cart->GetDsp()->DebugGetProgramRom() : nullptr;
_necDspProgramRomSize = cart->GetDsp() ? cart->GetDsp()->DebugGetProgramRomSize() : 0;
_sa1InternalRam = _sa1 ? _sa1->DebugGetInternalRam() : nullptr;
_sa1InternalRamSize = _sa1 ? _sa1->DebugGetInternalRamSize() : 0;
_gsuWorkRam = _gsu ? _gsu->DebugGetWorkRam() : nullptr;
_gsuWorkRamSize = _gsu ? _gsu->DebugGetWorkRamSize() : 0;
_bsxPsRam = cart->GetBsx() ? cart->GetBsx()->DebugGetPsRam() : nullptr;
_bsxPsRamSize = cart->GetBsx() ? cart->GetBsx()->DebugGetPsRamSize() : 0;
_bsxMemPack = cart->GetBsx() ? cart->GetBsxMemoryPack()->DebugGetMemoryPack() : nullptr;
_bsxMemPackSize = cart->GetBsx() ? cart->GetBsxMemoryPack()->DebugGetMemoryPackSize() : 0;
_gbPrgRom = _gameboy ? _gameboy->DebugGetMemory(SnesMemoryType::GbPrgRom) : nullptr;
_gbPrgRomSize = _gameboy ? _gameboy->DebugGetMemorySize(SnesMemoryType::GbPrgRom) : 0;
_gbWorkRam = _gameboy ? _gameboy->DebugGetMemory(SnesMemoryType::GbWorkRam) : nullptr;
_gbWorkRamSize = _gameboy ? _gameboy->DebugGetMemorySize(SnesMemoryType::GbWorkRam) : 0;
_gbCartRam = _gameboy ? _gameboy->DebugGetMemory(SnesMemoryType::GbCartRam) : nullptr;
_gbCartRamSize = _gameboy ? _gameboy->DebugGetMemorySize(SnesMemoryType::GbCartRam) : 0;
_gbHighRam = _gameboy ? _gameboy->DebugGetMemory(SnesMemoryType::GbHighRam) : nullptr;
_gbHighRamSize = _gameboy ? _gameboy->DebugGetMemorySize(SnesMemoryType::GbHighRam) : 0;
_gbBootRom = _gameboy ? _gameboy->DebugGetMemory(SnesMemoryType::GbBootRom) : nullptr;
_gbBootRomSize = _gameboy ? _gameboy->DebugGetMemorySize(SnesMemoryType::GbBootRom) : 0;
_prgCache = vector<DisassemblyInfo>(_prgRomSize);
_sramCache = vector<DisassemblyInfo>(_sramSize);
_wramCache = vector<DisassemblyInfo>(_wramSize);
_spcRamCache = vector<DisassemblyInfo>(_spcRamSize);
_spcRomCache = vector<DisassemblyInfo>(_spcRomSize);
_necDspRomCache = vector<DisassemblyInfo>(_necDspProgramRomSize);
_sa1InternalRamCache = vector<DisassemblyInfo>(_sa1InternalRamSize);
_gsuWorkRamCache = vector<DisassemblyInfo>(_gsuWorkRamSize);
_bsxPsRamCache = vector<DisassemblyInfo>(_bsxPsRamSize);
_bsxMemPackCache = vector<DisassemblyInfo>(_bsxMemPackSize);
_gbPrgCache = vector<DisassemblyInfo>(_gbPrgRomSize);
_gbWorkRamCache = vector<DisassemblyInfo>(_gbWorkRamSize);
_gbCartRamCache = vector<DisassemblyInfo>(_gbCartRamSize);
_gbHighRamCache = vector<DisassemblyInfo>(_gbHighRamSize);
_gbBootRomCache = vector<DisassemblyInfo>(_gbBootRomSize);
for(int i = 0; i < (int)DebugUtilities::GetLastCpuType(); i++) {
_needDisassemble[i] = true;
}
_sources[(int)SnesMemoryType::PrgRom] = { _prgRom, &_prgCache, _prgRomSize };
_sources[(int)SnesMemoryType::WorkRam] = { _wram, &_wramCache, _wramSize };
_sources[(int)SnesMemoryType::SaveRam] = { _sram, &_sramCache, _sramSize };
_sources[(int)SnesMemoryType::SpcRam] = { _spcRam, &_spcRamCache, _spcRamSize };
_sources[(int)SnesMemoryType::SpcRom] = { _spcRom, &_spcRomCache, _spcRomSize };
_sources[(int)SnesMemoryType::DspProgramRom] = { _necDspProgramRom, &_necDspRomCache, _necDspProgramRomSize };
_sources[(int)SnesMemoryType::Sa1InternalRam] = { _sa1InternalRam, &_sa1InternalRamCache, _sa1InternalRamSize };
_sources[(int)SnesMemoryType::GsuWorkRam] = { _gsuWorkRam, &_gsuWorkRamCache, _gsuWorkRamSize };
_sources[(int)SnesMemoryType::BsxPsRam] = { _bsxPsRam, &_bsxPsRamCache, _bsxPsRamSize };
_sources[(int)SnesMemoryType::BsxMemoryPack] = { _bsxMemPack, &_bsxMemPackCache, _bsxMemPackSize };
_sources[(int)SnesMemoryType::GbPrgRom] = { _gbPrgRom, &_gbPrgCache, _gbPrgRomSize };
_sources[(int)SnesMemoryType::GbWorkRam] = { _gbWorkRam, &_gbWorkRamCache, _gbWorkRamSize };
_sources[(int)SnesMemoryType::GbCartRam] = { _gbCartRam, &_gbCartRamCache, _gbCartRamSize };
_sources[(int)SnesMemoryType::GbHighRam] = { _gbHighRam, &_gbHighRamCache, _gbHighRamSize };
_sources[(int)SnesMemoryType::GbBootRom] = { _gbBootRom, &_gbBootRomCache, _gbBootRomSize };
if(_necDspProgramRomSize > 0) {
//Build cache for the entire DSP chip (since it only contains instructions)
AddressInfo dspStart = { 0, SnesMemoryType::DspProgramRom };
BuildCache(dspStart, 0, CpuType::NecDsp);
}
}
DisassemblerSource& Disassembler::GetSource(SnesMemoryType type)
{
if(_sources[(int)type].Data == nullptr) {
throw std::runtime_error("Disassembler::GetSource() invalid memory type");
}
return _sources[(int)type];
}
vector<DisassemblyResult>& Disassembler::GetDisassemblyList(CpuType type)
{
switch(type) {
case CpuType::Cpu: return _disassembly;
case CpuType::Spc: return _spcDisassembly;
case CpuType::NecDsp: return _necDspDisassembly;
case CpuType::Sa1: return _sa1Disassembly;
case CpuType::Gsu: return _gsuDisassembly;
case CpuType::Cx4: return _cx4Disassembly;
case CpuType::Gameboy: return _gbDisassembly;
}
throw std::runtime_error("Disassembly::GetDisassemblyList(): Invalid cpu type");
}
uint32_t Disassembler::BuildCache(AddressInfo &addrInfo, uint8_t cpuFlags, CpuType type)
{
DisassemblerSource& src = GetSource(addrInfo.Type);
bool needDisassemble = false;
int returnSize = 0;
int32_t address = addrInfo.Address;
while(address >= 0 && address < (int32_t)src.Cache->size()) {
DisassemblyInfo &disInfo = (*src.Cache)[address];
if(!disInfo.IsInitialized() || !disInfo.IsValid(cpuFlags)) {
disInfo.Initialize(src.Data+address, cpuFlags, type);
for(int i = 1; i < disInfo.GetOpSize(); i++) {
//Clear any instructions that start in the middle of this one
//(can happen when resizing an instruction after X/M updates)
(*src.Cache)[address + i] = DisassemblyInfo();
}
needDisassemble = true;
returnSize += disInfo.GetOpSize();
} else {
returnSize += disInfo.GetOpSize();
break;
}
if(disInfo.IsUnconditionalJump()) {
//Can't assume what follows is code, stop disassembling
break;
}
disInfo.UpdateCpuFlags(cpuFlags);
address += disInfo.GetOpSize();
}
if(needDisassemble) {
SetDisassembleFlag(type);
}
return returnSize;
}
void Disassembler::SetDisassembleFlag(CpuType type)
{
if(type == CpuType::Cpu || type == CpuType::Sa1 || type == CpuType::Gsu || type == CpuType::Cx4) {
_needDisassemble[(int)CpuType::Cpu] = true;
_needDisassemble[(int)CpuType::Sa1] = true;
_needDisassemble[(int)CpuType::Gsu] = true;
_needDisassemble[(int)CpuType::Cx4] = true;
} else {
_needDisassemble[(int)type] = true;
}
}
void Disassembler::ResetPrgCache()
{
_prgCache = vector<DisassemblyInfo>(_prgRomSize);
_gbPrgCache = vector<DisassemblyInfo>(_gbPrgRomSize);
_needDisassemble[(int)CpuType::Cpu] = true;
_needDisassemble[(int)CpuType::Sa1] = true;
_needDisassemble[(int)CpuType::Gsu] = true;
_needDisassemble[(int)CpuType::Cx4] = true;
_needDisassemble[(int)CpuType::Gameboy] = true;
}
void Disassembler::InvalidateCache(AddressInfo addrInfo, CpuType type)
{
DisassemblerSource src = GetSource(addrInfo.Type);
bool needDisassemble = false;
if(addrInfo.Address >= 0) {
for(int i = 0; i < 4; i++) {
if(addrInfo.Address >= i) {
if((*src.Cache)[addrInfo.Address - i].IsInitialized()) {
(*src.Cache)[addrInfo.Address - i].Reset();
needDisassemble = true;
}
}
}
}
if(needDisassemble) {
SetDisassembleFlag(type);
}
}
void Disassembler::Disassemble(CpuType cpuType)
{
if(!_needDisassemble[(int)cpuType]) {
return;
}
_needDisassemble[(int)cpuType] = false;
auto lock = _disassemblyLock.AcquireSafe();
bool isSpc = cpuType == CpuType::Spc;
bool isGb = cpuType == CpuType::Gameboy;
bool isDsp = cpuType == CpuType::NecDsp;
MemoryMappings *mappings = nullptr;
int32_t maxAddr = 0xFFFFFF;
switch(cpuType) {
case CpuType::Cpu:
mappings = _memoryManager->GetMemoryMappings();
break;
case CpuType::Sa1:
if(!_console->GetCartridge()->GetSa1()) {
return;
}
mappings = _console->GetCartridge()->GetSa1()->GetMemoryMappings();
break;
case CpuType::Gsu:
if(!_console->GetCartridge()->GetGsu()) {
return;
}
mappings = _console->GetCartridge()->GetGsu()->GetMemoryMappings();
break;
case CpuType::NecDsp:
if(!_console->GetCartridge()->GetDsp()) {
return;
}
mappings = nullptr;
maxAddr = _necDspProgramRomSize - 1;
break;
case CpuType::Spc:
mappings = nullptr;
maxAddr = 0xFFFF;
break;
case CpuType::Gameboy:
if(!_gameboy) {
return;
}
mappings = nullptr;
maxAddr = 0xFFFF;
break;
case CpuType::Cx4:
if(!_console->GetCartridge()->GetCx4()) {
return;
}
mappings = _console->GetCartridge()->GetCx4()->GetMemoryMappings();
break;
default: throw std::runtime_error("Disassemble(): Invalid cpu type");
}
vector<DisassemblyResult> &results = GetDisassemblyList(cpuType);
results.clear();
bool disUnident = _settings->CheckDebuggerFlag(DebuggerFlags::DisassembleUnidentifiedData);
bool disData = _settings->CheckDebuggerFlag(DebuggerFlags::DisassembleVerifiedData);
bool showUnident = _settings->CheckDebuggerFlag(DebuggerFlags::ShowUnidentifiedData);
bool showData = _settings->CheckDebuggerFlag(DebuggerFlags::ShowVerifiedData);
bool inUnknownBlock = false;
bool inVerifiedBlock = false;
LabelInfo labelInfo;
AddressInfo addrInfo = {};
AddressInfo prevAddrInfo = {};
int byteCounter = 0;
for(int32_t i = 0; i <= maxAddr; i++) {
prevAddrInfo = addrInfo;
if(isDsp) {
addrInfo = { i, SnesMemoryType::DspProgramRom };
} else {
if(isGb) {
addrInfo = _gameboy->GetAbsoluteAddress(i);
} else if(isSpc) {
addrInfo = _spc->GetAbsoluteAddress(i);
} else {
addrInfo = mappings->GetAbsoluteAddress(i);
}
}
if(addrInfo.Address < 0) {
continue;
}
DisassemblerSource src = GetSource(addrInfo.Type);
DisassemblyInfo disassemblyInfo = (*src.Cache)[addrInfo.Address];
uint8_t opSize = 0;
uint8_t opCode = (src.Data + addrInfo.Address)[0];
bool isCode = addrInfo.Type == SnesMemoryType::PrgRom ? _cdl->IsCode(addrInfo.Address) : false;
bool isData = addrInfo.Type == SnesMemoryType::PrgRom ? _cdl->IsData(addrInfo.Address) : false;
if(disassemblyInfo.IsInitialized()) {
opSize = disassemblyInfo.GetOpSize();
} else if((isData && disData) || (!isData && !isCode && disUnident)) {
opSize = DisassemblyInfo::GetOpSize(opCode, 0, cpuType);
}
if(opSize > 0) {
if(inUnknownBlock || inVerifiedBlock) {
int flags = LineFlags::BlockEnd | (inVerifiedBlock ? LineFlags::VerifiedData : 0) | (((inVerifiedBlock && showData) || (inUnknownBlock && showUnident)) ? LineFlags::ShowAsData : 0);
results.push_back(DisassemblyResult(prevAddrInfo, i - 1, flags));
inUnknownBlock = false;
inVerifiedBlock = false;
}
byteCounter = 0;
if(addrInfo.Type == SnesMemoryType::PrgRom && _cdl->IsSubEntryPoint(addrInfo.Address)) {
results.push_back(DisassemblyResult(addrInfo, i, LineFlags::SubStart | LineFlags::BlockStart | LineFlags::VerifiedCode));
}
if(_labelManager->GetLabelAndComment(addrInfo, labelInfo)) {
bool hasMultipleComment = labelInfo.Comment.find_first_of('\n') != string::npos;
if(hasMultipleComment) {
int16_t lineCount = 0;
for(char c : labelInfo.Comment) {
if(c == '\n') {
results.push_back(DisassemblyResult(addrInfo, i, LineFlags::Comment, lineCount));
lineCount++;
}
}
results.push_back(DisassemblyResult(addrInfo, i, LineFlags::Comment, lineCount));
}
if(labelInfo.Label.size()) {
results.push_back(DisassemblyResult(addrInfo, i, LineFlags::Label));
}
if(!hasMultipleComment && labelInfo.Comment.size()) {
results.push_back(DisassemblyResult(addrInfo, i, LineFlags::Comment));
} else {
results.push_back(DisassemblyResult(addrInfo, i));
}
} else {
results.push_back(DisassemblyResult(addrInfo, i));
}
//Move to the end of the instruction (but realign disassembly if another valid instruction is found)
//This can sometimes happen if the 2nd byte of BRK/COP is reused as the first byte of the next instruction
//Also required when disassembling unvalidated data as code (to realign once we find verified code)
for(int j = 1, max = (int)(*src.Cache).size(); j < opSize && addrInfo.Address + j < max; j++) {
if((*src.Cache)[addrInfo.Address + j].IsInitialized()) {
break;
}
i++;
}
if(DisassemblyInfo::IsReturnInstruction(opCode, cpuType)) {
//End of function
results.push_back(DisassemblyResult(-1, LineFlags::VerifiedCode | LineFlags::BlockEnd));
}
} else {
if(showData || showUnident) {
if((isData && inUnknownBlock) || (!isData && inVerifiedBlock)) {
if(isData && inUnknownBlock) {
//In an unknown block and the next byte is data, end the block
results.push_back(DisassemblyResult(prevAddrInfo, i - 1, LineFlags::BlockEnd | (showUnident ? LineFlags::ShowAsData : 0)));
} else if(!isData && inVerifiedBlock) {
//In a verified data block and the next byte is unknown, end the block
results.push_back(DisassemblyResult(prevAddrInfo, i - 1, LineFlags::BlockEnd | LineFlags::VerifiedData | (showData ? LineFlags::ShowAsData : 0)));
}
inUnknownBlock = false;
inVerifiedBlock = false;
byteCounter = 0;
}
}
if(byteCounter > 0) {
//If showing as hex data, add a new data line every 8 bytes
byteCounter--;
if(byteCounter == 0) {
results.push_back(DisassemblyResult(addrInfo, i, LineFlags::ShowAsData | (isData ? LineFlags::VerifiedData : 0)));
byteCounter = 8;
}
} else if(!inUnknownBlock && !inVerifiedBlock) {
//If not in a block, start a new block based on the current byte's type (data vs unidentified)
bool showAsData = (isData && showData) || ((!isData && !isCode) && showUnident);
if(isData) {
inVerifiedBlock = true;
results.push_back(DisassemblyResult(addrInfo, i, LineFlags::BlockStart | LineFlags::VerifiedData | (showAsData ? LineFlags::ShowAsData : 0)));
} else {
inUnknownBlock = true;
results.push_back(DisassemblyResult(addrInfo, i, LineFlags::BlockStart | (showAsData ? LineFlags::ShowAsData : 0)));
}
if(showAsData) {
//If showing data as hex, add the first row of the block
results.push_back(DisassemblyResult(addrInfo, i, LineFlags::ShowAsData | (isData ? LineFlags::VerifiedData : 0)));
byteCounter = 8;
} else {
//If not showing the data at all, display 1 empty line
results.push_back(DisassemblyResult(-1, LineFlags::None | (isData ? LineFlags::VerifiedData : 0)));
}
}
}
}
if(inUnknownBlock || inVerifiedBlock) {
int flags = LineFlags::BlockEnd | (inVerifiedBlock ? LineFlags::VerifiedData : 0) | (((inVerifiedBlock && showData) || (inUnknownBlock && showUnident)) ? LineFlags::ShowAsData : 0);
results.push_back(DisassemblyResult(addrInfo, maxAddr, flags));
}
}
DisassemblyInfo Disassembler::GetDisassemblyInfo(AddressInfo &info, uint32_t cpuAddress, uint8_t cpuFlags, CpuType type)
{
DisassemblyInfo disassemblyInfo;
switch(info.Type) {
default: break;
case SnesMemoryType::PrgRom: disassemblyInfo = _prgCache[info.Address]; break;
case SnesMemoryType::WorkRam: disassemblyInfo = _wramCache[info.Address]; break;
case SnesMemoryType::SaveRam: disassemblyInfo = _sramCache[info.Address]; break;
case SnesMemoryType::SpcRam: disassemblyInfo = _spcRamCache[info.Address]; break;
case SnesMemoryType::SpcRom: disassemblyInfo = _spcRomCache[info.Address]; break;
case SnesMemoryType::DspProgramRom: disassemblyInfo = _necDspRomCache[info.Address]; break;
case SnesMemoryType::Sa1InternalRam: disassemblyInfo = _sa1InternalRamCache[info.Address]; break;
case SnesMemoryType::GbPrgRom: disassemblyInfo = _gbPrgCache[info.Address]; break;
case SnesMemoryType::GbWorkRam: disassemblyInfo = _gbWorkRamCache[info.Address]; break;
case SnesMemoryType::GbCartRam: disassemblyInfo = _gbCartRamCache[info.Address]; break;
}
if(!disassemblyInfo.IsInitialized()) {
disassemblyInfo.Initialize(cpuAddress, cpuFlags, type, _memoryDumper);
}
return disassemblyInfo;
}
void Disassembler::RefreshDisassembly(CpuType type)
{
DebugBreakHelper helper(_debugger);
_needDisassemble[(int)type] = true;
Disassemble(type);
}
uint32_t Disassembler::GetLineCount(CpuType type)
{
auto lock = _disassemblyLock.AcquireSafe();
vector<DisassemblyResult> &source = GetDisassemblyList(type);
return (uint32_t)source.size();
}
uint32_t Disassembler::GetLineIndex(CpuType type, uint32_t cpuAddress)
{
auto lock = _disassemblyLock.AcquireSafe();
vector<DisassemblyResult> &source = GetDisassemblyList(type);
uint32_t lastAddress = 0;
for(size_t i = 1; i < source.size(); i++) {
if(source[i].CpuAddress < 0 || (source[i].Flags & LineFlags::SubStart) | (source[i].Flags & LineFlags::Label) || ((source[i].Flags & LineFlags::Comment) && source[i].CommentLine >= 0)) {
continue;
}
if(cpuAddress == (uint32_t)source[i].CpuAddress) {
return (uint32_t)i;
} else if(cpuAddress >= lastAddress && cpuAddress < (uint32_t)source[i].CpuAddress) {
return (uint32_t)i - 1;
}
lastAddress = source[i].CpuAddress;
}
return 0;
}
bool Disassembler::GetLineData(CpuType type, uint32_t lineIndex, CodeLineData &data)
{
auto lock =_disassemblyLock.AcquireSafe();
vector<DisassemblyResult> &source = GetDisassemblyList(type);
SnesMemoryType memType = DebugUtilities::GetCpuMemoryType(type);
int32_t maxAddr = type == CpuType::Spc ? 0xFFFF : 0xFFFFFF;
if(lineIndex < source.size()) {
DisassemblyResult result = source[lineIndex];
data.Address = -1;
data.AbsoluteAddress = -1;
data.EffectiveAddress = -1;
data.Flags = result.Flags;
switch(result.Address.Type) {
default: break;
case SnesMemoryType::GbPrgRom:
case SnesMemoryType::PrgRom: data.Flags |= (uint8_t)LineFlags::PrgRom; break;
case SnesMemoryType::GbWorkRam:
case SnesMemoryType::WorkRam: data.Flags |= (uint8_t)LineFlags::WorkRam; break;
case SnesMemoryType::GbCartRam:
case SnesMemoryType::SaveRam: data.Flags |= (uint8_t)LineFlags::SaveRam; break;
}
bool isBlockStartEnd = (data.Flags & (LineFlags::BlockStart | LineFlags::BlockEnd)) != 0;
if(!isBlockStartEnd && result.Address.Address >= 0) {
if((data.Flags & LineFlags::ShowAsData)) {
FastString str(".db", 3);
int nextAddr = lineIndex < source.size() - 2 ? (source[lineIndex+1].CpuAddress + 1) : (maxAddr + 1);
for(int i = 0; i < 8 && result.CpuAddress+i < nextAddr; i++) {
str.Write(" $", 2);
str.Write(HexUtilities::ToHexChar(_memoryDumper->GetMemoryValue(memType, result.CpuAddress + i)), 2);
}
data.Address = result.CpuAddress;
data.AbsoluteAddress = result.Address.Address;
memcpy(data.Text, str.ToString(), str.GetSize());
} else if((data.Flags & LineFlags::Comment) && result.CommentLine >= 0) {
string comment = ";" + StringUtilities::Split(_labelManager->GetComment(result.Address), '\n')[result.CommentLine];
data.Flags |= LineFlags::VerifiedCode;
memcpy(data.Comment, comment.c_str(), std::min<int>((int)comment.size(), 1000));
} else if(data.Flags & LineFlags::Label) {
string label = _labelManager->GetLabel(result.Address) + ":";
data.Flags |= LineFlags::VerifiedCode;
memcpy(data.Text, label.c_str(), std::min<int>((int)label.size(), 1000));
} else {
DisassemblerSource src = GetSource(result.Address.Type);
DisassemblyInfo disInfo = (*src.Cache)[result.Address.Address];
CpuType lineCpuType = disInfo.IsInitialized() ? disInfo.GetCpuType() : type;
data.Address = result.CpuAddress;
data.AbsoluteAddress = result.Address.Address;
switch(lineCpuType) {
case CpuType::Cpu:
case CpuType::Sa1: {
CpuState state = type == CpuType::Sa1 ? _sa1->GetCpuState() : _cpu->GetState();
state.PC = (uint16_t)result.CpuAddress;
state.K = (result.CpuAddress >> 16);
if(!disInfo.IsInitialized()) {
disInfo = DisassemblyInfo(src.Data + result.Address.Address, state.PS, lineCpuType);
} else {
data.Flags |= (result.Address.Type != SnesMemoryType::PrgRom || _cdl->IsCode(data.AbsoluteAddress)) ? LineFlags::VerifiedCode : LineFlags::UnexecutedCode;
}
data.OpSize = disInfo.GetOpSize();
data.EffectiveAddress = disInfo.GetEffectiveAddress(_console, &state, lineCpuType);
if(data.EffectiveAddress >= 0) {
data.Value = disInfo.GetMemoryValue(data.EffectiveAddress, _memoryDumper, memType, data.ValueSize);
} else {
data.ValueSize = 0;
}
break;
}
case CpuType::Spc: {
SpcState state = _spc->GetState();
state.PC = (uint16_t)result.CpuAddress;
if(!disInfo.IsInitialized()) {
disInfo = DisassemblyInfo(src.Data + result.Address.Address, 0, CpuType::Spc);
} else {
data.Flags |= LineFlags::VerifiedCode;
}
data.OpSize = disInfo.GetOpSize();
data.EffectiveAddress = disInfo.GetEffectiveAddress(_console, &state, lineCpuType);
if(data.EffectiveAddress >= 0) {
data.Value = disInfo.GetMemoryValue(data.EffectiveAddress, _memoryDumper, memType, data.ValueSize);
data.ValueSize = 1;
} else {
data.ValueSize = 0;
}
break;
}
case CpuType::Gsu: {
GsuState state = _gsu->GetState();
if(!disInfo.IsInitialized()) {
disInfo = DisassemblyInfo(src.Data + result.Address.Address, 0, CpuType::Gsu);
} else {
data.Flags |= LineFlags::VerifiedCode;
}
data.OpSize = disInfo.GetOpSize();
data.EffectiveAddress = disInfo.GetEffectiveAddress(_console, &state, lineCpuType);
if(data.EffectiveAddress >= 0) {
data.Value = disInfo.GetMemoryValue(data.EffectiveAddress, _memoryDumper, memType, data.ValueSize);
data.ValueSize = 2;
} else {
data.ValueSize = 0;
}
break;
}
case CpuType::NecDsp:
case CpuType::Cx4:
if(!disInfo.IsInitialized()) {
disInfo = DisassemblyInfo(src.Data + result.Address.Address, 0, type);
} else {
data.Flags |= LineFlags::VerifiedCode;
}
data.OpSize = disInfo.GetOpSize();
data.EffectiveAddress = -1;
data.ValueSize = 0;
break;
case CpuType::Gameboy:
if(!disInfo.IsInitialized()) {
disInfo = DisassemblyInfo(src.Data + result.Address.Address, 0, CpuType::Gameboy);
} else {
data.Flags |= LineFlags::VerifiedCode;
}
data.OpSize = disInfo.GetOpSize();
data.EffectiveAddress = -1;
data.ValueSize = 0;
break;
}
string text;
disInfo.GetDisassembly(text, result.CpuAddress, _labelManager.get(), _settings);
memcpy(data.Text, text.c_str(), std::min<int>((int)text.size(), 1000));
disInfo.GetByteCode(data.ByteCode);
if(data.Flags & LineFlags::Comment) {
string comment = ";" + _labelManager->GetComment(result.Address);
memcpy(data.Comment, comment.c_str(), std::min<int>((int)comment.size(), 1000));
} else {
data.Comment[0] = 0;
}
}
} else {
if(data.Flags & LineFlags::SubStart) {
string label = _labelManager->GetLabel(result.Address);
if(label.empty()) {
label = "sub start";
}
memcpy(data.Text, label.c_str(), label.size() + 1);
} else if(data.Flags & LineFlags::BlockStart) {
string label = (data.Flags & LineFlags::VerifiedData) ? "data" : "unidentified";
memcpy(data.Text, label.c_str(), label.size() + 1);
}
if(data.Flags & (LineFlags::BlockStart | LineFlags::BlockEnd)) {
if(!(data.Flags & (LineFlags::ShowAsData | LineFlags::SubStart))) {
//For hidden blocks, give the start/end lines an address
data.Address = result.CpuAddress;
data.AbsoluteAddress = result.Address.Address;
}
}
}
return true;
}
return false;
}
int32_t Disassembler::SearchDisassembly(CpuType type, const char *searchString, int32_t startPosition, int32_t endPosition, bool searchBackwards)
{
auto lock = _disassemblyLock.AcquireSafe();
vector<DisassemblyResult> &source = GetDisassemblyList(type);
int step = searchBackwards ? -1 : 1;
CodeLineData lineData = {};
for(int i = startPosition; i != endPosition; i += step) {
GetLineData(type, i, lineData);
string line = lineData.Text;
std::transform(line.begin(), line.end(), line.begin(), ::tolower);
if(line.find(searchString) != string::npos) {
return i;
}
//Continue search from start/end of document
if(!searchBackwards && i == (int)(source.size() - 1)) {
i = 0;
} else if(searchBackwards && i == 0) {
i = (int32_t)(source.size() - 1);
}
}
return -1;
}
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