mirror of
https://github.com/x64dbg/x64dbg.git
synced 2025-02-20 04:51:31 +00:00
Remove some performance bottlenecks from the memory map update
Thanks to @AnthonyPrintup for bringing this to my attention
This commit is contained in:
Duncan Ogilvie
parent
f56fa5ce23
commit
3eb2070c3a
@ -33,9 +33,9 @@ MemoryMapView::MemoryMapView(StdTable* parent)
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loadColumnFromConfig("MemoryMap");
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setIconColumn(ColParty);
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connect(Bridge::getBridge(), SIGNAL(updateMemory()), this, SLOT(refreshMap()));
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connect(Bridge::getBridge(), SIGNAL(updateMemory()), this, SLOT(refreshMapSlot()));
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connect(Bridge::getBridge(), SIGNAL(dbgStateChanged(DBGSTATE)), this, SLOT(stateChangedSlot(DBGSTATE)));
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connect(Bridge::getBridge(), SIGNAL(selectInMemoryMap(duint)), this, SLOT(selectAddress(duint)));
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connect(Bridge::getBridge(), SIGNAL(selectInMemoryMap(duint)), this, SLOT(selectAddressSlot(duint)));
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connect(Bridge::getBridge(), SIGNAL(selectionMemmapGet(SELECTIONDATA*)), this, SLOT(selectionGetSlot(SELECTIONDATA*)));
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connect(Bridge::getBridge(), SIGNAL(selectionMemmapSet(const SELECTIONDATA*)), this, SLOT(selectionSetSlot(const SELECTIONDATA*)));
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connect(Bridge::getBridge(), SIGNAL(disassembleAt(duint, duint)), this, SLOT(disassembleAtSlot(duint, duint)));
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@ -63,12 +63,12 @@ void MemoryMapView::setupContextMenu()
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//Set PageMemory Rights
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mPageMemoryRights = new QAction(DIcon("memmap_set_page_memory_rights"), tr("Set Page Memory Rights"), this);
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connect(mPageMemoryRights, SIGNAL(triggered()), this, SLOT(pageMemoryRights()));
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connect(mPageMemoryRights, SIGNAL(triggered()), this, SLOT(pageMemoryRightsSlot()));
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//Switch View
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mSwitchView = new QAction(DIcon("change-view"), "", this);
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setSwitchViewName();
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connect(mSwitchView, SIGNAL(triggered()), this, SLOT(switchView()));
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connect(mSwitchView, SIGNAL(triggered()), this, SLOT(switchViewSlot()));
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//Breakpoint menu
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mBreakpointMenu = new QMenu(tr("Memory &Breakpoint"), this);
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@ -169,11 +169,11 @@ void MemoryMapView::setupContextMenu()
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//Dump
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//TODO: These two actions should also appear in CPUDump
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mDumpMemory = new QAction(DIcon("binary_save"), tr("&Dump Memory to File"), this);
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connect(mDumpMemory, SIGNAL(triggered()), this, SLOT(dumpMemory()));
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connect(mDumpMemory, SIGNAL(triggered()), this, SLOT(dumpMemorySlot()));
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//Load
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mLoadMemory = new QAction(DIcon(""), tr("&Overwrite with Data from File"), this);
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connect(mLoadMemory, SIGNAL(triggered()), this, SLOT(loadMemory()));
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connect(mLoadMemory, SIGNAL(triggered()), this, SLOT(loadMemorySlot()));
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//Add virtual module
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mAddVirtualMod = new QAction(DIcon("virtual"), tr("Add virtual module"), this);
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@ -272,17 +272,6 @@ void MemoryMapView::contextMenuSlot(const QPoint & pos)
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menu.exec(mapToGlobal(pos)); //execute context menu
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}
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static QString getProtectionString(DWORD Protect)
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{
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#define RIGHTS_STRING (sizeof("ERWCG"))
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char rights[RIGHTS_STRING];
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if(!DbgFunctions()->PageRightsToString(Protect, rights))
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return "bad";
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return QString(rights);
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}
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QString MemoryMapView::paintContent(QPainter* painter, duint row, duint col, int x, int y, int w, int h)
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{
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if(col == 0) //address
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@ -377,14 +366,14 @@ void MemoryMapView::setSwitchViewName()
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QAction* MemoryMapView::makeCommandAction(QAction* action, const QString & command)
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{
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action->setData(QVariant(command));
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connect(action, SIGNAL(triggered()), this, SLOT(ExecCommand()));
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connect(action, SIGNAL(triggered()), this, SLOT(execCommandSlot()));
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return action;
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}
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/**
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* @brief MemoryMapView::ExecCommand execute command slot for menus.
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* @brief MemoryMapView::execCommandSlot execute command slot for menus.
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*/
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void MemoryMapView::ExecCommand()
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void MemoryMapView::execCommandSlot()
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{
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QAction* action = qobject_cast<QAction*>(sender());
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if(action)
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@ -404,16 +393,52 @@ void MemoryMapView::ExecCommand()
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}
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}
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void MemoryMapView::refreshMap()
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static QString getProtectionString(DWORD protect)
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{
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//reserved pages don't have a protection (https://goo.gl/Izkk0c)
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if(protect == 0)
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{
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return QString();
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}
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#define meme(prot, str) (prot & PAGE_GUARD) ? QStringLiteral(str QT_UNICODE_LITERAL("G")) : QStringLiteral(str QT_UNICODE_LITERAL("-"))
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switch(protect & 0xFF)
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{
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case PAGE_NOACCESS:
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return meme(protect, "----");
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case PAGE_READONLY:
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return meme(protect, "-R--");
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case PAGE_READWRITE:
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return meme(protect, "-RW-");
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case PAGE_WRITECOPY:
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return meme(protect, "-RWC");
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case PAGE_EXECUTE:
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return meme(protect, "E---");
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case PAGE_EXECUTE_READ:
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return meme(protect, "ER--");
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case PAGE_EXECUTE_READWRITE:
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return meme(protect, "ERW-");
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case PAGE_EXECUTE_WRITECOPY:
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return meme(protect, "ERWC");
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default:
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return meme(protect, "????");
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}
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}
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void MemoryMapView::refreshMapSlot()
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{
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MEMMAP memoryMap = {};
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DbgMemMap(&memoryMap);
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setRowCount(memoryMap.count);
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auto strUser = tr("User");
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auto strSystem = tr("System");
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for(int i = 0; i < memoryMap.count; i++)
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{
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const auto & mbi = (memoryMap.page)[i].mbi;
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const auto & mbi = memoryMap.page[i].mbi;
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// Base address
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setCellContent(i, ColAddress, ToPtrString((duint)mbi.BaseAddress));
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@ -428,11 +453,11 @@ void MemoryMapView::refreshMap()
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switch(party)
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{
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case mod_user:
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setCellContent(i, ColParty, tr("User"));
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setCellContent(i, ColParty, strUser);
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setRowIcon(i, DIcon("markasuser"));
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break;
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case mod_system:
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setCellContent(i, ColParty, tr("System"));
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setCellContent(i, ColParty, strSystem);
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setRowIcon(i, DIcon("markassystem"));
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break;
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default:
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@ -442,64 +467,62 @@ void MemoryMapView::refreshMap()
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}
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// Information
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auto content = QString((memoryMap.page)[i].info);
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setCellContent(i, ColPageInfo, content);
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auto info = memoryMap.page[i].info;
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setCellContent(i, ColPageInfo, info);
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// Content, TODO: proper section content analysis in dbg/memory.cpp:MemUpdateMap
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QString content;
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char comment_text[MAX_COMMENT_SIZE];
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if(DbgFunctions()->GetUserComment((duint)mbi.BaseAddress, comment_text)) // user comment present
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content = comment_text;
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else if(content.contains(".bss"))
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else if(strncmp(info, ".bss", 4) == 0)
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content = tr("Uninitialized data");
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else if(content.contains(".data"))
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else if(strncmp(info, ".data", 5) == 0)
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content = tr("Initialized data");
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else if(content.contains(".edata"))
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else if(strncmp(info, ".edata", 6) == 0)
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content = tr("Export tables");
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else if(content.contains(".idata"))
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else if(strncmp(info, ".idata", 6) == 0)
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content = tr("Import tables");
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else if(content.contains(".pdata"))
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else if(strncmp(info, ".pdata", 6) == 0)
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content = tr("Exception information");
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else if(content.contains(".rdata"))
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else if(strncmp(info, ".rdata", 6) == 0)
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content = tr("Read-only initialized data");
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else if(content.contains(".reloc"))
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else if(strncmp(info, ".reloc", 6) == 0)
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content = tr("Base relocations");
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else if(content.contains(".rsrc"))
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else if(strncmp(info, ".rsrc", 5) == 0)
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content = tr("Resources");
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else if(content.contains(".text"))
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else if(strncmp(info, ".text", 5) == 0)
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content = tr("Executable code");
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else if(content.contains(".tls"))
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else if(strncmp(info, ".tls", 4) == 0)
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content = tr("Thread-local storage");
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else if(content.contains(".xdata"))
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else if(strncmp(info, ".xdata", 6) == 0)
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content = tr("Exception information");
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else
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content = QString("");
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setCellContent(i, ColContent, std::move(content));
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// Type
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const char* type = "";
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QString type;
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switch(mbi.Type)
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{
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case MEM_IMAGE:
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type = "IMG";
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type = QStringLiteral("IMG");
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break;
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case MEM_MAPPED:
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type = "MAP";
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type = QStringLiteral("MAP");
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break;
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case MEM_PRIVATE:
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type = "PRV";
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type = QStringLiteral("PRV");
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break;
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default:
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type = "N/A";
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type = QStringLiteral("N/A");
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break;
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}
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setCellContent(i, ColAllocation, type);
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setCellContent(i, ColAllocation, std::move(type));
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// current access protection
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setCellContent(i, ColCurProtect, getProtectionString(mbi.Protect));
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// allocation protection
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setCellContent(i, ColAllocProtect, getProtectionString(mbi.AllocationProtect));
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}
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if(memoryMap.page != 0)
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BridgeFree(memoryMap.page);
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@ -509,7 +532,7 @@ void MemoryMapView::refreshMap()
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void MemoryMapView::stateChangedSlot(DBGSTATE state)
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{
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if(state == paused)
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refreshMap();
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refreshMapSlot();
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}
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void MemoryMapView::followDumpSlot()
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@ -554,16 +577,16 @@ void MemoryMapView::memoryExecuteSingleshootToggleSlot()
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}
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}
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void MemoryMapView::pageMemoryRights()
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void MemoryMapView::pageMemoryRightsSlot()
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{
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PageMemoryRights PageMemoryRightsDialog(this);
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connect(&PageMemoryRightsDialog, SIGNAL(refreshMemoryMap()), this, SLOT(refreshMap()));
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connect(&PageMemoryRightsDialog, SIGNAL(refreshMemoryMap()), this, SLOT(refreshMapSlot()));
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duint addr = getSelectionAddr();
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duint size = getCellUserdata(getInitialSelection(), ColSize);
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PageMemoryRightsDialog.RunAddrSize(addr, size, getCellContent(getInitialSelection(), ColCurProtect));
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}
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void MemoryMapView::switchView()
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void MemoryMapView::switchViewSlot()
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{
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Config()->setBool("Engine", "ListAllPages", !ConfigBool("Engine", "ListAllPages"));
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Config()->writeBools();
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@ -632,7 +655,7 @@ void MemoryMapView::findPatternSlot()
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emit showReferences();
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}
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void MemoryMapView::dumpMemory()
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void MemoryMapView::dumpMemorySlot()
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{
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duint start = 0;
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duint end = 0;
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@ -665,7 +688,7 @@ void MemoryMapView::dumpMemory()
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}
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}
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void MemoryMapView::loadMemory()
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void MemoryMapView::loadMemorySlot()
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{
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auto modname = mainModuleName();
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if(!modname.isEmpty())
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@ -682,7 +705,7 @@ void MemoryMapView::loadMemory()
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}
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}
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void MemoryMapView::selectAddress(duint va)
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void MemoryMapView::selectAddressSlot(duint va)
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{
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auto base = DbgMemFindBaseAddr(va, nullptr);
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if(base)
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@ -703,7 +726,7 @@ void MemoryMapView::selectAddress(duint va)
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void MemoryMapView::gotoOriginSlot()
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{
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selectAddress(mCipBase);
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selectAddressSlot(mCipBase);
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}
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void MemoryMapView::gotoExpressionSlot()
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@ -714,7 +737,7 @@ void MemoryMapView::gotoExpressionSlot()
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mGoto->setInitialExpression(ToPtrString(getSelectionAddr()));
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if(mGoto->exec() == QDialog::Accepted)
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{
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selectAddress(DbgValFromString(mGoto->expressionText.toUtf8().constData()));
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selectAddressSlot(DbgValFromString(mGoto->expressionText.toUtf8().constData()));
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}
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}
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@ -24,16 +24,16 @@ public slots:
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void doubleClickedSlot();
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void memoryExecuteSingleshootToggleSlot();
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void memoryAllocateSlot();
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void ExecCommand();
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void execCommandSlot();
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void contextMenuSlot(const QPoint & pos);
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void switchView();
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void pageMemoryRights();
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void refreshMap();
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void switchViewSlot();
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void pageMemoryRightsSlot();
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void refreshMapSlot();
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void findPatternSlot();
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void dumpMemory();
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void loadMemory();
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void dumpMemorySlot();
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void loadMemorySlot();
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void commentSlot();
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void selectAddress(duint va);
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void selectAddressSlot(duint va);
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void gotoOriginSlot();
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void gotoExpressionSlot();
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void addVirtualModSlot();
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@ -19,11 +19,11 @@ inline QString ToPtrString(duint Address)
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char temp[32];
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#ifdef _WIN64
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sprintf_s(temp, "%016llX", Address);
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auto size = sprintf_s(temp, "%016llX", Address);
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#else
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sprintf_s(temp, "%08X", Address);
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auto size = sprintf_s(temp, "%08X", Address);
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#endif // _WIN64
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return QString(temp);
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return QString::fromLatin1(temp, size);
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}
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inline QString ToLongLongHexString(unsigned long long Value)
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