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dolphin/Source/Core/DolphinWX/Debugger/CodeWindow.cpp

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// Copyright 2008 Dolphin Emulator Project
// Licensed under GPLv2+
// Refer to the license.txt file included.
#include "DolphinWX/Debugger/CodeWindow.h"
#include <array>
#include <chrono>
#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/aui/auibar.h>
#include <wx/aui/dockart.h>
// clang-format on
#include "Common/CommonTypes.h"
#include "Common/Logging/Log.h"
#include "Common/StringUtil.h"
#include "Common/SymbolDB.h"
#include "Core/ConfigManager.h"
#include "Core/Core.h"
#include "Core/Debugger/Debugger_SymbolMap.h"
#include "Core/Debugger/PPCDebugInterface.h"
#include "Core/HW/CPU.h"
#include "Core/PowerPC/BreakPoints.h"
#include "Core/PowerPC/Gekko.h"
#include "Core/PowerPC/JitInterface.h"
#include "Core/PowerPC/MMU.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/DebuggerUIUtil.h"
#include "DolphinWX/Debugger/JitWindow.h"
#include "DolphinWX/Debugger/MemoryWindow.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(CFrame* parent, wxWindowID id, const wxPoint& position, const wxSize& size,
long style, const wxString& name)
: wxPanel(parent, id, position, size, style, name), Parent(parent)
{
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_symbol_filter_ctrl = new wxSearchCtrl(m_aui_toolbar, wxID_ANY);
m_symbol_filter_ctrl->Bind(wxEVT_TEXT, &CCodeWindow::OnSymbolFilterText, this);
m_symbol_filter_ctrl->SetDescriptiveText(_("Filter Symbols"));
m_symbol_filter_ctrl->SetToolTip(_("Filter the symbol list by name. This is case-sensitive."));
m_aui_toolbar->AddControl(address_searchctrl);
m_aui_toolbar->AddControl(m_symbol_filter_ctrl);
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().ToolbarPane().Top().Floatable(false));
m_aui_manager.AddPane(callstack, wxAuiPaneInfo()
.MinSize(FromDIP(wxSize(150, 100)))
.Left()
.CloseButton(false)
.Floatable(false)
.Caption(_("Callstack")));
m_aui_manager.AddPane(symbols, wxAuiPaneInfo()
.MinSize(FromDIP(wxSize(150, 100)))
.Left()
.CloseButton(false)
.Floatable(false)
.Caption(_("Symbols")));
m_aui_manager.AddPane(calls, wxAuiPaneInfo()
.MinSize(FromDIP(wxSize(150, 100)))
.Left()
.CloseButton(false)
.Floatable(false)
.Caption(_("Function calls")));
m_aui_manager.AddPane(callers, wxAuiPaneInfo()
.MinSize(FromDIP(wxSize(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);
Bind(wxEVT_MENU, &CCodeWindow::OnBootToPauseSelected, this, IDM_BOOT_TO_PAUSE);
Bind(wxEVT_MENU, &CCodeWindow::OnAutomaticStartSelected, this, IDM_AUTOMATIC_START);
// 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::GetParentMenuBar()
{
return Parent->GetMenuBar();
}
// ----------
// Events
void CCodeWindow::OnHostMessage(wxCommandEvent& event)
{
switch (event.GetId())
{
case IDM_NOTIFY_MAP_LOADED:
NotifyMapLoaded();
if (HasPanel<CBreakPointWindow>())
GetPanel<CBreakPointWindow>()->NotifyUpdate();
break;
case IDM_UPDATE_DISASM_DIALOG:
codeview->Center(PC);
Repopulate(false);
if (HasPanel<CRegisterWindow>())
GetPanel<CRegisterWindow>()->NotifyUpdate();
if (HasPanel<CWatchWindow>())
GetPanel<CWatchWindow>()->NotifyUpdate();
if (HasPanel<CMemoryWindow>())
GetPanel<CMemoryWindow>()->Refresh();
break;
case IDM_UPDATE_BREAKPOINTS:
Repopulate();
if (HasPanel<CBreakPointWindow>())
GetPanel<CBreakPointWindow>()->NotifyUpdate();
if (HasPanel<CMemoryWindow>())
GetPanel<CMemoryWindow>()->Refresh();
break;
case IDM_UPDATE_JIT_PANE:
RequirePanel<CJitWindow>()->ViewAddr(codeview->GetSelection());
break;
case IDM_RELOAD_THEME_BITMAPS:
if (HasPanel<CBreakPointWindow>())
GetPanel<CBreakPointWindow>()->ReloadBitmaps();
if (HasPanel<CWatchWindow>())
GetPanel<CWatchWindow>()->ReloadBitmaps();
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;
codeview->Center(PC);
Repopulate(false);
break;
case IDM_SETPC:
PC = codeview->GetSelection();
codeview->Center(PC);
Repopulate(false);
break;
case IDM_GOTOPC:
JumpToAddress(PC);
break;
}
// 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::OnSymbolFilterText(wxCommandEvent&)
{
ReloadSymbolListBox();
}
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::CoreMode::Interpreter);
PowerPC::breakpoints.ClearAllTemporary();
CPU::StepOpcode(&sync_event);
sync_event.WaitFor(std::chrono::milliseconds(20));
PowerPC::SetMode(old_mode);
Core::DisplayMessage(_("Step successful!").ToStdString(), 2000);
// 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);
Core::DisplayMessage(_("Step over in progress...").ToStdString(), 2000);
}
else
{
SingleStep();
}
}
}
// Returns true on a rfi, blr or on a bclr that evaluates to true.
static bool WillInstructionReturn(UGeckoInstruction inst)
{
// Is a rfi instruction
if (inst.hex == 0x4C000064u)
return true;
bool counter = (inst.BO_2 >> 2 & 1) != 0 || (CTR != 0) != ((inst.BO_2 >> 1 & 1) != 0);
bool condition = inst.BO_2 >> 4 != 0 || PowerPC::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 five seconds
using clock = std::chrono::steady_clock;
clock::time_point timeout = clock::now() + std::chrono::seconds(5);
PowerPC::CoreMode old_mode = PowerPC::GetMode();
PowerPC::SetMode(PowerPC::CoreMode::Interpreter);
// 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. If the PC is currently
// on a breakpoint, skip it.
UGeckoInstruction inst = PowerPC::HostRead_Instruction(PC);
do
{
if (WillInstructionReturn(inst))
{
PowerPC::SingleStep();
break;
}
if (inst.LK)
{
// Step over branches
u32 next_pc = PC + 4;
do
{
PowerPC::SingleStep();
} while (PC != next_pc && clock::now() < timeout &&
!PowerPC::breakpoints.IsAddressBreakPoint(PC));
}
else
{
PowerPC::SingleStep();
}
inst = PowerPC::HostRead_Instruction(PC);
} while (clock::now() < timeout && !PowerPC::breakpoints.IsAddressBreakPoint(PC));
PowerPC::SetMode(old_mode);
CPU::PauseAndLock(false, false);
wxCommandEvent ev(wxEVT_HOST_COMMAND, IDM_UPDATE_DISASM_DIALOG);
GetEventHandler()->ProcessEvent(ev);
if (PowerPC::breakpoints.IsAddressBreakPoint(PC))
Core::DisplayMessage(_("Breakpoint encountered! Step out aborted.").ToStdString(), 2000);
else if (clock::now() >= timeout)
Core::DisplayMessage(_("Step out timed out!").ToStdString(), 2000);
else
Core::DisplayMessage(_("Step out successful!").ToStdString(), 2000);
// Update all toolbars in the aui manager
Parent->UpdateGUI();
}
}
void CCodeWindow::ToggleBreakpoint()
{
if (CPU::IsStepping())
{
if (codeview)
codeview->ToggleBreakpoint(codeview->GetSelection());
Repopulate();
}
}
void CCodeWindow::UpdateLists()
{
callers->Clear();
u32 addr = codeview->GetSelection();
Common::Symbol* symbol = g_symbolDB.GetSymbolFromAddr(addr);
if (!symbol)
return;
for (auto& call : symbol->callers)
{
u32 caller_addr = call.call_address;
Common::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;
Common::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::State::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"));
}
// CPU Mode and JIT Menu
void CCodeWindow::OnCPUMode(wxCommandEvent& event)
{
Core::RunAsCPUThread([&event] {
switch (event.GetId())
{
case IDM_INTERPRETER:
PowerPC::SetMode(event.IsChecked() ? PowerPC::CoreMode::Interpreter : PowerPC::CoreMode::JIT);
break;
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();
});
}
void CCodeWindow::OnJitMenu(wxCommandEvent& event)
{
switch (event.GetId())
{
case IDM_LOG_INSTRUCTIONS:
PPCTables::LogCompiledInstructions();
break;
case IDM_CLEAR_CODE_CACHE:
Core::RunAsCPUThread(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;
}
}
}
// Update GUI
void CCodeWindow::Repopulate(bool refresh_codeview)
{
if (!codeview)
return;
if (refresh_codeview)
codeview->Refresh();
UpdateCallstack();
// 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::UpdateFonts()
{
callstack->SetFont(DebuggerFont);
symbols->SetFont(DebuggerFont);
callers->SetFont(DebuggerFont);
calls->SetFont(DebuggerFont);
m_aui_manager.GetArtProvider()->SetFont(wxAUI_DOCKART_CAPTION_FONT, DebuggerFont);
m_aui_manager.Update();
}
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