CodeWindow.cpp

// Copyright 2008 Dolphin Emulator Project
// Licensed under GPLv2+
// Refer to the license.txt file included.

#include <cstdio>
#include <string>
#include <vector>

// clang-format off
#include <wx/bitmap.h>
#include <wx/image.h>
#include <wx/listbox.h>
#include <wx/menu.h>
#include <wx/panel.h>
#include <wx/srchctrl.h>
#include <wx/stattext.h>
#include <wx/textctrl.h>
#include <wx/textdlg.h>
#include <wx/thread.h>
#include <wx/toolbar.h>
#include <wx/aui/auibar.h>
#include <wx/aui/dockart.h>
// clang-format on

#include "Common/BreakPoints.h"
#include "Common/CommonTypes.h"
#include "Common/StringUtil.h"
#include "Common/SymbolDB.h"
#include "Core/Core.h"
#include "Core/Debugger/Debugger_SymbolMap.h"
#include "Core/Debugger/PPCDebugInterface.h"
#include "Core/HW/CPU.h"
#include "Core/HW/Memmap.h"
#include "Core/HW/SystemTimers.h"
#include "Core/Host.h"
#include "Core/PowerPC/Gekko.h"
#include "Core/PowerPC/JitInterface.h"
#include "Core/PowerPC/PPCSymbolDB.h"
#include "Core/PowerPC/PPCTables.h"
#include "Core/PowerPC/PowerPC.h"
#include "DolphinWX/Debugger/BreakpointWindow.h"
#include "DolphinWX/Debugger/CodeView.h"
#include "DolphinWX/Debugger/CodeWindow.h"
#include "DolphinWX/Debugger/DebuggerUIUtil.h"
#include "DolphinWX/Debugger/JitWindow.h"
#include "DolphinWX/Debugger/RegisterWindow.h"
#include "DolphinWX/Debugger/WatchWindow.h"
#include "DolphinWX/AuiToolBar.h"
#include "DolphinWX/Frame.h"
#include "DolphinWX/Globals.h"
#include "DolphinWX/WxUtils.h"

CCodeWindow::CCodeWindow(const SConfig& _LocalCoreStartupParameter, CFrame* parent, wxWindowID id,
                         const wxPoint& position, const wxSize& size, long style,
                         const wxString& name)
    : wxPanel(parent, id, position, size, style, name), Parent(parent), m_RegisterWindow(nullptr),
      m_WatchWindow(nullptr), m_BreakpointWindow(nullptr), m_MemoryWindow(nullptr),
      m_JitWindow(nullptr), m_SoundWindow(nullptr), m_VideoWindow(nullptr), codeview(nullptr)
{
  InitBitmaps();

  DebugInterface* di = &PowerPC::debug_interface;

  codeview = new CCodeView(di, &g_symbolDB, this, wxID_ANY);

  callstack = new wxListBox(this, wxID_ANY);
  callstack->Bind(wxEVT_LISTBOX, &CCodeWindow::OnCallstackListChange, this);

  symbols = new wxListBox(this, wxID_ANY, wxDefaultPosition, wxDefaultSize, 0, nullptr, wxLB_SORT);
  symbols->Bind(wxEVT_LISTBOX, &CCodeWindow::OnSymbolListChange, this);

  calls = new wxListBox(this, wxID_ANY, wxDefaultPosition, wxDefaultSize, 0, nullptr, wxLB_SORT);
  calls->Bind(wxEVT_LISTBOX, &CCodeWindow::OnCallsListChange, this);

  callers = new wxListBox(this, wxID_ANY, wxDefaultPosition, wxDefaultSize, 0, nullptr, wxLB_SORT);
  callers->Bind(wxEVT_LISTBOX, &CCodeWindow::OnCallersListChange, this);

  m_aui_toolbar = new DolphinAuiToolBar(this, wxID_ANY, wxDefaultPosition, wxDefaultSize,
                                        wxAUI_TB_HORIZONTAL | wxAUI_TB_PLAIN_BACKGROUND);

  wxSearchCtrl* const address_searchctrl = new wxSearchCtrl(m_aui_toolbar, IDM_ADDRBOX);
  address_searchctrl->Bind(wxEVT_TEXT, &CCodeWindow::OnAddrBoxChange, this);
  address_searchctrl->SetDescriptiveText(_("Search Address"));

  m_aui_toolbar->AddControl(address_searchctrl);
  m_aui_toolbar->Realize();

  m_aui_manager.SetManagedWindow(this);
  m_aui_manager.SetFlags(wxAUI_MGR_DEFAULT | wxAUI_MGR_LIVE_RESIZE);
  m_aui_manager.AddPane(m_aui_toolbar,
                        wxAuiPaneInfo().MinSize(150, -1).ToolbarPane().Top().Floatable(false));
  m_aui_manager.AddPane(
      callstack,
      wxAuiPaneInfo().MinSize(150, 100).Left().CloseButton(false).Floatable(false).Caption(
          _("Callstack")));
  m_aui_manager.AddPane(
      symbols, wxAuiPaneInfo().MinSize(150, 100).Left().CloseButton(false).Floatable(false).Caption(
                   _("Symbols")));
  m_aui_manager.AddPane(
      calls, wxAuiPaneInfo().MinSize(150, 100).Left().CloseButton(false).Floatable(false).Caption(
                 _("Function calls")));
  m_aui_manager.AddPane(
      callers, wxAuiPaneInfo().MinSize(150, 100).Left().CloseButton(false).Floatable(false).Caption(
                   _("Function callers")));
  m_aui_manager.AddPane(codeview, wxAuiPaneInfo().CenterPane().CloseButton(false).Floatable(false));
  m_aui_manager.Update();

  // Menu
  Bind(wxEVT_MENU, &CCodeWindow::OnCPUMode, this, IDM_INTERPRETER, IDM_JIT_SR_OFF);
  Bind(wxEVT_MENU, &CCodeWindow::OnChangeFont, this, IDM_FONT_PICKER);
  Bind(wxEVT_MENU, &CCodeWindow::OnJitMenu, this, IDM_CLEAR_CODE_CACHE, IDM_SEARCH_INSTRUCTION);
  Bind(wxEVT_MENU, &CCodeWindow::OnSymbolsMenu, this, IDM_CLEAR_SYMBOLS, IDM_PATCH_HLE_FUNCTIONS);
  Bind(wxEVT_MENU, &CCodeWindow::OnProfilerMenu, this, IDM_PROFILE_BLOCKS, IDM_WRITE_PROFILE);

  // Toolbar
  Bind(wxEVT_MENU, &CCodeWindow::OnCodeStep, this, IDM_STEP, IDM_GOTOPC);

  // Other
  Bind(wxEVT_HOST_COMMAND, &CCodeWindow::OnHostMessage, this);
}

CCodeWindow::~CCodeWindow()
{
  m_aui_manager.UnInit();
}

wxMenuBar* CCodeWindow::GetMenuBar()
{
  return Parent->GetMenuBar();
}

wxToolBar* CCodeWindow::GetToolBar()
{
  return Parent->m_ToolBar;
}

// ----------
// Events

void CCodeWindow::OnHostMessage(wxCommandEvent& event)
{
  switch (event.GetId())
  {
  case IDM_NOTIFY_MAP_LOADED:
    NotifyMapLoaded();
    if (m_BreakpointWindow)
      m_BreakpointWindow->NotifyUpdate();
    break;

  case IDM_UPDATE_DISASM_DIALOG:
    Update();
    if (CPU::IsStepping())
      Parent->UpdateGUI();
    if (m_RegisterWindow)
      m_RegisterWindow->NotifyUpdate();
    if (m_WatchWindow)
      m_WatchWindow->NotifyUpdate();
    break;

  case IDM_UPDATE_BREAKPOINTS:
    if (m_BreakpointWindow)
      m_BreakpointWindow->NotifyUpdate();
    break;

  case IDM_UPDATE_JIT_PANE:
    // Check if the JIT pane is in the AUI notebook. If not, add it and switch to it.
    if (!m_JitWindow)
      ToggleJitWindow(true);
    m_JitWindow->ViewAddr(codeview->GetSelection());
    break;
  }
}

// The Play, Stop, Step, Skip, Go to PC and Show PC buttons go here
void CCodeWindow::OnCodeStep(wxCommandEvent& event)
{
  switch (event.GetId())
  {
  case IDM_STEP:
    SingleStep();
    break;

  case IDM_STEPOVER:
    StepOver();
    break;

  case IDM_STEPOUT:
    StepOut();
    break;

  case IDM_TOGGLE_BREAKPOINT:
    ToggleBreakpoint();
    break;

  case IDM_SKIP:
    PC += 4;
    Update();
    break;

  case IDM_SETPC:
    PC = codeview->GetSelection();
    Update();
    break;

  case IDM_GOTOPC:
    JumpToAddress(PC);
    break;
  }

  UpdateButtonStates();
  // Update all toolbars in the aui manager
  Parent->UpdateGUI();
}

bool CCodeWindow::JumpToAddress(u32 address)
{
  // Jump to anywhere in memory
  if (address <= 0xFFFFFFFF)
  {
    codeview->Center(address);
    UpdateLists();

    return true;
  }

  return false;
}

void CCodeWindow::OnCodeViewChange(wxCommandEvent& event)
{
  UpdateLists();
}

void CCodeWindow::OnAddrBoxChange(wxCommandEvent& event)
{
  wxSearchCtrl* pAddrCtrl = (wxSearchCtrl*)m_aui_toolbar->FindControl(IDM_ADDRBOX);

  // Trim leading and trailing whitespace.
  wxString txt = pAddrCtrl->GetValue().Trim().Trim(false);

  bool success = false;
  unsigned long addr;
  if (txt.ToULong(&addr, 16))
  {
    if (JumpToAddress(addr))
      success = true;
  }

  if (success)
    pAddrCtrl->SetBackgroundColour(wxNullColour);
  else if (!txt.empty())
    pAddrCtrl->SetBackgroundColour(*wxRED);

  pAddrCtrl->Refresh();

  event.Skip();
}

void CCodeWindow::OnCallstackListChange(wxCommandEvent& event)
{
  int index = callstack->GetSelection();
  if (index >= 0)
  {
    u32 address = (u32)(u64)(callstack->GetClientData(index));
    if (address)
      JumpToAddress(address);
  }
}

void CCodeWindow::OnCallersListChange(wxCommandEvent& event)
{
  int index = callers->GetSelection();
  if (index >= 0)
  {
    u32 address = (u32)(u64)(callers->GetClientData(index));
    if (address)
      JumpToAddress(address);
  }
}

void CCodeWindow::OnCallsListChange(wxCommandEvent& event)
{
  int index = calls->GetSelection();
  if (index >= 0)
  {
    u32 address = (u32)(u64)(calls->GetClientData(index));
    if (address)
      JumpToAddress(address);
  }
}

void CCodeWindow::SingleStep()
{
  if (CPU::IsStepping())
  {
    PowerPC::CoreMode old_mode = PowerPC::GetMode();
    PowerPC::SetMode(PowerPC::MODE_INTERPRETER);
    PowerPC::breakpoints.ClearAllTemporary();
    CPU::StepOpcode(&sync_event);
    sync_event.WaitFor(std::chrono::milliseconds(20));
    PowerPC::SetMode(old_mode);
    // Will get a IDM_UPDATE_DISASM_DIALOG. Don't update the GUI here.
  }
}

void CCodeWindow::StepOver()
{
  if (CPU::IsStepping())
  {
    UGeckoInstruction inst = PowerPC::HostRead_Instruction(PC);
    if (inst.LK)
    {
      PowerPC::breakpoints.ClearAllTemporary();
      PowerPC::breakpoints.Add(PC + 4, true);
      CPU::EnableStepping(false);
    }
    else
    {
      SingleStep();
    }
  }
}

// Returns true on a blr or on a bclr that evaluates to true.
static bool WillInstructionReturn(UGeckoInstruction inst)
{
  bool counter = (inst.BO_2 >> 2 & 1) != 0 || (CTR != 0) != ((inst.BO_2 >> 1 & 1) != 0);
  bool condition = inst.BO_2 >> 4 != 0 || GetCRBit(inst.BI_2) == (inst.BO_2 >> 3 & 1);
  bool isBclr = inst.OPCD_7 == 0b010011 && (inst.hex >> 1 & 0b10000) != 0;
  return isBclr && counter && condition && !inst.LK_3;
}

void CCodeWindow::StepOut()
{
  if (CPU::IsStepping())
  {
    CPU::PauseAndLock(true, false);
    PowerPC::breakpoints.ClearAllTemporary();

    // Keep stepping until the next return instruction or timeout after one second
    u64 timeout = SystemTimers::GetTicksPerSecond();
    u64 steps = 0;
    PowerPC::CoreMode old_mode = PowerPC::GetMode();
    PowerPC::SetMode(PowerPC::MODE_INTERPRETER);
    UGeckoInstruction inst = PowerPC::HostRead_Instruction(PC);
    // Loop until either the current instruction is a return instruction with no Link flag
    // or a breakpoint is detected so it can step at the breakpoint.
    while (!(WillInstructionReturn(inst)) && steps < timeout &&
           !PowerPC::breakpoints.IsAddressBreakPoint(PC))
    {
      if (inst.LK)
      {
        // Step over branches
        u32 next_pc = PC + 4;
        while (PC != next_pc && steps < timeout)
        {
          PowerPC::SingleStep();
          ++steps;
        }
      }
      else
      {
        PowerPC::SingleStep();
        ++steps;
      }
      inst = PowerPC::HostRead_Instruction(PC);
    }
    // If the loop stopped because of a breakpoint, we do not want to step to
    // an instruction after it.
    if (!PowerPC::breakpoints.IsAddressBreakPoint(PC))
      PowerPC::SingleStep();
    PowerPC::SetMode(old_mode);
    CPU::PauseAndLock(false, false);

    Host_UpdateDisasmDialog();
    UpdateButtonStates();
    // Update all toolbars in the aui manager
    Parent->UpdateGUI();
  }
}

void CCodeWindow::ToggleBreakpoint()
{
  if (CPU::IsStepping())
  {
    if (codeview)
      codeview->ToggleBreakpoint(codeview->GetSelection());
    Update();
  }
}

void CCodeWindow::UpdateLists()
{
  callers->Clear();
  u32 addr = codeview->GetSelection();
  Symbol* symbol = g_symbolDB.GetSymbolFromAddr(addr);
  if (!symbol)
    return;

  for (auto& call : symbol->callers)
  {
    u32 caller_addr = call.callAddress;
    Symbol* caller_symbol = g_symbolDB.GetSymbolFromAddr(caller_addr);
    if (caller_symbol)
    {
      int idx = callers->Append(StrToWxStr(
          StringFromFormat("< %s (%08x)", caller_symbol->name.c_str(), caller_addr).c_str()));
      callers->SetClientData(idx, (void*)(u64)caller_addr);
    }
  }

  calls->Clear();
  for (auto& call : symbol->calls)
  {
    u32 call_addr = call.function;
    Symbol* call_symbol = g_symbolDB.GetSymbolFromAddr(call_addr);
    if (call_symbol)
    {
      int idx = calls->Append(StrToWxStr(
          StringFromFormat("> %s (%08x)", call_symbol->name.c_str(), call_addr).c_str()));
      calls->SetClientData(idx, (void*)(u64)call_addr);
    }
  }
}

void CCodeWindow::UpdateCallstack()
{
  if (Core::GetState() == Core::CORE_STOPPING)
    return;

  callstack->Clear();

  std::vector<Dolphin_Debugger::CallstackEntry> stack;

  bool ret = Dolphin_Debugger::GetCallstack(stack);

  for (auto& frame : stack)
  {
    int idx = callstack->Append(StrToWxStr(frame.Name));
    callstack->SetClientData(idx, (void*)(u64)frame.vAddress);
  }

  if (!ret)
    callstack->Append(StrToWxStr("invalid callstack"));
}

// Create CPU Mode menus
void CCodeWindow::CreateMenu(const SConfig& core_startup_parameter, wxMenuBar* pMenuBar)
{
  // CPU Mode
  wxMenu* pCoreMenu = new wxMenu;

  wxMenuItem* interpreter = pCoreMenu->Append(
      IDM_INTERPRETER, _("&Interpreter Core"),
      _("This is necessary to get break points"
        " and stepping to work as explained in the Developer Documentation. But it can be very"
        " slow, perhaps slower than 1 fps."),
      wxITEM_CHECK);
  interpreter->Check(core_startup_parameter.iCPUCore == PowerPC::CORE_INTERPRETER);
  pCoreMenu->AppendSeparator();

  pCoreMenu->Append(IDM_JIT_NO_BLOCK_LINKING, _("&JIT Block Linking Off"),
                    _("Provide safer execution by not linking the JIT blocks."), wxITEM_CHECK);

  pCoreMenu->Append(IDM_JIT_NO_BLOCK_CACHE, _("&Disable JIT Cache"),
                    _("Avoid any involuntary JIT cache clearing, this may prevent Zelda TP from "
                      "crashing.\n[This option must be selected before a game is started.]"),
                    wxITEM_CHECK);
  pCoreMenu->Append(IDM_CLEAR_CODE_CACHE, _("&Clear JIT Cache"));

  pCoreMenu->AppendSeparator();
  pCoreMenu->Append(IDM_LOG_INSTRUCTIONS, _("&Log JIT Instruction Coverage"));
  pCoreMenu->Append(IDM_SEARCH_INSTRUCTION, _("&Search for an Instruction"));

  pCoreMenu->AppendSeparator();
  pCoreMenu->Append(IDM_JIT_OFF, _("&JIT Off (JIT Core)"),
                    _("Turn off all JIT functions, but still use the JIT core from Jit.cpp"),
                    wxITEM_CHECK);
  pCoreMenu->Append(IDM_JIT_LS_OFF, _("&JIT LoadStore Off"), wxEmptyString, wxITEM_CHECK);
  pCoreMenu->Append(IDM_JIT_LSLBZX_OFF, _("    &JIT LoadStore lbzx Off"), wxEmptyString,
                    wxITEM_CHECK);
  pCoreMenu->Append(IDM_JIT_LSLXZ_OFF, _("    &JIT LoadStore lXz Off"), wxEmptyString,
                    wxITEM_CHECK);
  pCoreMenu->Append(IDM_JIT_LSLWZ_OFF, _("&JIT LoadStore lwz Off"), wxEmptyString, wxITEM_CHECK);
  pCoreMenu->Append(IDM_JIT_LSF_OFF, _("&JIT LoadStore Floating Off"), wxEmptyString, wxITEM_CHECK);
  pCoreMenu->Append(IDM_JIT_LSP_OFF, _("&JIT LoadStore Paired Off"), wxEmptyString, wxITEM_CHECK);
  pCoreMenu->Append(IDM_JIT_FP_OFF, _("&JIT FloatingPoint Off"), wxEmptyString, wxITEM_CHECK);
  pCoreMenu->Append(IDM_JIT_I_OFF, _("&JIT Integer Off"), wxEmptyString, wxITEM_CHECK);
  pCoreMenu->Append(IDM_JIT_P_OFF, _("&JIT Paired Off"), wxEmptyString, wxITEM_CHECK);
  pCoreMenu->Append(IDM_JIT_SR_OFF, _("&JIT SystemRegisters Off"), wxEmptyString, wxITEM_CHECK);

  pMenuBar->Append(pCoreMenu, _("&JIT"));

  // Debug Menu
  wxMenu* pDebugMenu = new wxMenu;

  pDebugMenu->Append(IDM_STEP, _("Step &Into\tF11"));
  pDebugMenu->Append(IDM_STEPOVER, _("Step &Over\tF10"));
  pDebugMenu->Append(IDM_STEPOUT, _("Step O&ut\tSHIFT+F11"));
  pDebugMenu->Append(IDM_TOGGLE_BREAKPOINT, _("Toggle &Breakpoint\tF9"));
  pDebugMenu->AppendSeparator();

  wxMenu* pPerspectives = new wxMenu;
  Parent->m_SavedPerspectives = new wxMenu;
  pDebugMenu->AppendSubMenu(pPerspectives, _("Perspectives"), _("Edit Perspectives"));
  pPerspectives->Append(IDM_SAVE_PERSPECTIVE, _("Save Perspectives"),
                        _("Save currently-toggled perspectives"));
  pPerspectives->Append(IDM_EDIT_PERSPECTIVES, _("Edit Perspectives"),
                        _("Toggle editing of perspectives"), wxITEM_CHECK);
  pPerspectives->AppendSeparator();
  pPerspectives->Append(IDM_ADD_PERSPECTIVE, _("Create New Perspective"));
  pPerspectives->AppendSubMenu(Parent->m_SavedPerspectives, _("Saved Perspectives"));
  Parent->PopulateSavedPerspectives();
  pPerspectives->AppendSeparator();
  wxMenu* pAddPane = new wxMenu;
  pPerspectives->AppendSubMenu(pAddPane, _("Add New Pane To"));
  pAddPane->Append(IDM_PERSPECTIVES_ADD_PANE_TOP, _("Top"));
  pAddPane->Append(IDM_PERSPECTIVES_ADD_PANE_BOTTOM, _("Bottom"));
  pAddPane->Append(IDM_PERSPECTIVES_ADD_PANE_LEFT, _("Left"));
  pAddPane->Append(IDM_PERSPECTIVES_ADD_PANE_RIGHT, _("Right"));
  pAddPane->Append(IDM_PERSPECTIVES_ADD_PANE_CENTER, _("Center"));
  pPerspectives->Append(IDM_TAB_SPLIT, _("Tab Split"), "", wxITEM_CHECK);
  pPerspectives->Append(IDM_NO_DOCKING, _("Disable Docking"),
                        "Disable docking of perspective panes to main window", wxITEM_CHECK);

  pMenuBar->Append(pDebugMenu, _("&Debug"));

  CreateMenuSymbols(pMenuBar);
}

void CCodeWindow::CreateMenuOptions(wxMenu* pMenu)
{
  wxMenuItem* boottopause =
      pMenu->Append(IDM_BOOT_TO_PAUSE, _("Boot to Pause"),
                    _("Start the game directly instead of booting to pause"), wxITEM_CHECK);
  boottopause->Check(bBootToPause);

  wxMenuItem* automaticstart = pMenu->Append(
      IDM_AUTOMATIC_START, _("&Automatic Start"),
      _("Automatically load the Default ISO when Dolphin starts, or the last game you loaded,"
        " if you have not given it an elf file with the --elf command line. [This can be"
        " convenient if you are bug-testing with a certain game and want to rebuild"
        " and retry it several times, either with changes to Dolphin or if you are"
        " developing a homebrew game.]"),
      wxITEM_CHECK);
  automaticstart->Check(bAutomaticStart);

  pMenu->Append(IDM_FONT_PICKER, _("&Font..."));
}

// CPU Mode and JIT Menu
void CCodeWindow::OnCPUMode(wxCommandEvent& event)
{
  switch (event.GetId())
  {
  case IDM_INTERPRETER:
    PowerPC::SetMode(UseInterpreter() ? PowerPC::MODE_INTERPRETER : PowerPC::MODE_JIT);
    break;
  case IDM_BOOT_TO_PAUSE:
    bBootToPause = !bBootToPause;
    return;
  case IDM_AUTOMATIC_START:
    bAutomaticStart = !bAutomaticStart;
    return;
  case IDM_JIT_OFF:
    SConfig::GetInstance().bJITOff = event.IsChecked();
    break;
  case IDM_JIT_LS_OFF:
    SConfig::GetInstance().bJITLoadStoreOff = event.IsChecked();
    break;
  case IDM_JIT_LSLXZ_OFF:
    SConfig::GetInstance().bJITLoadStorelXzOff = event.IsChecked();
    break;
  case IDM_JIT_LSLWZ_OFF:
    SConfig::GetInstance().bJITLoadStorelwzOff = event.IsChecked();
    break;
  case IDM_JIT_LSLBZX_OFF:
    SConfig::GetInstance().bJITLoadStorelbzxOff = event.IsChecked();
    break;
  case IDM_JIT_LSF_OFF:
    SConfig::GetInstance().bJITLoadStoreFloatingOff = event.IsChecked();
    break;
  case IDM_JIT_LSP_OFF:
    SConfig::GetInstance().bJITLoadStorePairedOff = event.IsChecked();
    break;
  case IDM_JIT_FP_OFF:
    SConfig::GetInstance().bJITFloatingPointOff = event.IsChecked();
    break;
  case IDM_JIT_I_OFF:
    SConfig::GetInstance().bJITIntegerOff = event.IsChecked();
    break;
  case IDM_JIT_P_OFF:
    SConfig::GetInstance().bJITPairedOff = event.IsChecked();
    break;
  case IDM_JIT_SR_OFF:
    SConfig::GetInstance().bJITSystemRegistersOff = event.IsChecked();
    break;
  }

  // Clear the JIT cache to enable these changes
  JitInterface::ClearCache();

  // Update
  UpdateButtonStates();
}

void CCodeWindow::OnJitMenu(wxCommandEvent& event)
{
  switch (event.GetId())
  {
  case IDM_LOG_INSTRUCTIONS:
    PPCTables::LogCompiledInstructions();
    break;

  case IDM_CLEAR_CODE_CACHE:
    JitInterface::ClearCache();
    break;

  case IDM_SEARCH_INSTRUCTION:
  {
    wxString str = wxGetTextFromUser("", _("Op?"), wxEmptyString, this);
    auto const wx_name = WxStrToStr(str);
    bool found = false;
    for (u32 addr = 0x80000000; addr < 0x80180000; addr += 4)
    {
      const char* name = PPCTables::GetInstructionName(PowerPC::HostRead_U32(addr));
      if (name && (wx_name == name))
      {
        NOTICE_LOG(POWERPC, "Found %s at %08x", wx_name.c_str(), addr);
        found = true;
      }
    }
    if (!found)
      NOTICE_LOG(POWERPC, "Opcode %s not found", wx_name.c_str());
    break;
  }
  }
}

// Shortcuts
bool CCodeWindow::UseInterpreter()
{
  return GetMenuBar()->IsChecked(IDM_INTERPRETER);
}

bool CCodeWindow::BootToPause()
{
  return GetMenuBar()->IsChecked(IDM_BOOT_TO_PAUSE);
}

bool CCodeWindow::AutomaticStart()
{
  return GetMenuBar()->IsChecked(IDM_AUTOMATIC_START);
}

bool CCodeWindow::JITNoBlockCache()
{
  return GetMenuBar()->IsChecked(IDM_JIT_NO_BLOCK_CACHE);
}

bool CCodeWindow::JITNoBlockLinking()
{
  return GetMenuBar()->IsChecked(IDM_JIT_NO_BLOCK_LINKING);
}

// Toolbar
void CCodeWindow::InitBitmaps()
{
  m_Bitmaps[Toolbar_Step] = WxUtils::LoadResourceBitmap("toolbar_debugger_step");
  m_Bitmaps[Toolbar_StepOver] = WxUtils::LoadResourceBitmap("toolbar_debugger_step_over");
  m_Bitmaps[Toolbar_StepOut] = WxUtils::LoadResourceBitmap("toolbar_debugger_step_out");
  m_Bitmaps[Toolbar_Skip] = WxUtils::LoadResourceBitmap("toolbar_debugger_skip");
  m_Bitmaps[Toolbar_GotoPC] = WxUtils::LoadResourceBitmap("toolbar_debugger_goto_pc");
  m_Bitmaps[Toolbar_SetPC] = WxUtils::LoadResourceBitmap("toolbar_debugger_set_pc");
}

void CCodeWindow::PopulateToolbar(wxToolBar* toolBar)
{
  int w = m_Bitmaps[0].GetWidth(), h = m_Bitmaps[0].GetHeight();

  toolBar->SetToolBitmapSize(wxSize(w, h));
  WxUtils::AddToolbarButton(toolBar, IDM_STEP, _("Step"), m_Bitmaps[Toolbar_Step],
                            _("Step into the next instruction"));
  WxUtils::AddToolbarButton(toolBar, IDM_STEPOVER, _("Step Over"), m_Bitmaps[Toolbar_StepOver],
                            _("Step over the next instruction"));
  WxUtils::AddToolbarButton(toolBar, IDM_STEPOUT, _("Step Out"), m_Bitmaps[Toolbar_StepOut],
                            _("Step out of the current function"));
  WxUtils::AddToolbarButton(toolBar, IDM_SKIP, _("Skip"), m_Bitmaps[Toolbar_Skip],
                            _("Skips the next instruction completely"));
  toolBar->AddSeparator();
  WxUtils::AddToolbarButton(toolBar, IDM_GOTOPC, _("Show PC"), m_Bitmaps[Toolbar_GotoPC],
                            _("Go to the current instruction"));
  WxUtils::AddToolbarButton(toolBar, IDM_SETPC, _("Set PC"), m_Bitmaps[Toolbar_SetPC],
                            _("Set the current instruction"));
}

// Update GUI
void CCodeWindow::Update()
{
  if (!codeview)
    return;

  codeview->Center(PC);
  UpdateCallstack();
  UpdateButtonStates();

  // Do not automatically show the current PC position when a breakpoint is hit or
  // when we pause since this can be called at other times too.
  // codeview->Center(PC);
}

void CCodeWindow::UpdateButtonStates()
{
  bool Initialized = (Core::GetState() != Core::CORE_UNINITIALIZED);
  bool Pause = (Core::GetState() == Core::CORE_PAUSE);
  bool Stepping = CPU::IsStepping();
  wxToolBar* ToolBar = GetToolBar();

  // Toolbar
  if (!ToolBar)
    return;

  if (!Initialized)
  {
    ToolBar->EnableTool(IDM_STEPOVER, false);
    ToolBar->EnableTool(IDM_STEPOUT, false);
    ToolBar->EnableTool(IDM_SKIP, false);
  }
  else
  {
    if (!Stepping)
    {
      ToolBar->EnableTool(IDM_STEPOVER, false);
      ToolBar->EnableTool(IDM_STEPOUT, false);
      ToolBar->EnableTool(IDM_SKIP, false);
    }
    else
    {
      ToolBar->EnableTool(IDM_STEPOVER, true);
      ToolBar->EnableTool(IDM_STEPOUT, true);
      ToolBar->EnableTool(IDM_SKIP, true);
    }
  }

  ToolBar->EnableTool(IDM_STEP, Initialized && Stepping);
  ToolBar->Realize();

  // Menu bar
  // ------------------
  GetMenuBar()->Enable(IDM_INTERPRETER, Pause);  // CPU Mode

  GetMenuBar()->Enable(IDM_JIT_NO_BLOCK_CACHE, !Initialized);

  GetMenuBar()->Enable(IDM_JIT_OFF, Pause);
  GetMenuBar()->Enable(IDM_JIT_LS_OFF, Pause);
  GetMenuBar()->Enable(IDM_JIT_LSLXZ_OFF, Pause);
  GetMenuBar()->Enable(IDM_JIT_LSLWZ_OFF, Pause);
  GetMenuBar()->Enable(IDM_JIT_LSLBZX_OFF, Pause);
  GetMenuBar()->Enable(IDM_JIT_LSF_OFF, Pause);
  GetMenuBar()->Enable(IDM_JIT_LSP_OFF, Pause);
  GetMenuBar()->Enable(IDM_JIT_FP_OFF, Pause);
  GetMenuBar()->Enable(IDM_JIT_I_OFF, Pause);
  GetMenuBar()->Enable(IDM_JIT_P_OFF, Pause);
  GetMenuBar()->Enable(IDM_JIT_SR_OFF, Pause);

  GetMenuBar()->Enable(IDM_CLEAR_CODE_CACHE, Pause);  // JIT Menu
  GetMenuBar()->Enable(IDM_SEARCH_INSTRUCTION, Initialized);

  GetMenuBar()->Enable(IDM_CLEAR_SYMBOLS, Initialized);  // Symbols menu
  GetMenuBar()->Enable(IDM_SCAN_FUNCTIONS, Initialized);
  GetMenuBar()->Enable(IDM_LOAD_MAP_FILE, Initialized);
  GetMenuBar()->Enable(IDM_SAVEMAPFILE, Initialized);
  GetMenuBar()->Enable(IDM_LOAD_MAP_FILE_AS, Initialized);
  GetMenuBar()->Enable(IDM_SAVE_MAP_FILE_AS, Initialized);
  GetMenuBar()->Enable(IDM_LOAD_BAD_MAP_FILE, Initialized);
  GetMenuBar()->Enable(IDM_SAVE_MAP_FILE_WITH_CODES, Initialized);
  GetMenuBar()->Enable(IDM_CREATE_SIGNATURE_FILE, Initialized);
  GetMenuBar()->Enable(IDM_APPEND_SIGNATURE_FILE, Initialized);
  GetMenuBar()->Enable(IDM_COMBINE_SIGNATURE_FILES, Initialized);
  GetMenuBar()->Enable(IDM_RENAME_SYMBOLS, Initialized);
  GetMenuBar()->Enable(IDM_USE_SIGNATURE_FILE, Initialized);
  GetMenuBar()->Enable(IDM_PATCH_HLE_FUNCTIONS, Initialized);

  // Update Fonts
  callstack->SetFont(DebuggerFont);
  symbols->SetFont(DebuggerFont);
  callers->SetFont(DebuggerFont);
  calls->SetFont(DebuggerFont);
  m_aui_manager.GetArtProvider()->SetFont(wxAUI_DOCKART_CAPTION_FONT, DebuggerFont);
}