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

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// Copyright 2008 Dolphin Emulator Project
// Licensed under GPLv2+
// Refer to the license.txt file included.
#include <algorithm>
#include <cmath>
#include <cstdio>
#include <cstring>
#include <memory>
#include <string>
#include <vector>
#include <wx/brush.h>
#include <wx/clipbrd.h>
#include <wx/colour.h>
#include <wx/dataobj.h>
#include <wx/dcclient.h>
#include <wx/graphics.h>
#include <wx/menu.h>
#include <wx/pen.h>
#include <wx/textdlg.h>
#include "Common/CommonTypes.h"
#include "Common/DebugInterface.h"
#include "Common/StringUtil.h"
#include "Common/SymbolDB.h"
#include "Core/Core.h"
#include "Core/Host.h"
#include "DolphinWX/Globals.h"
#include "DolphinWX/WxUtils.h"
#include "DolphinWX/Debugger/CodeView.h"
#include "DolphinWX/Debugger/DebuggerUIUtil.h"
wxDEFINE_EVENT(wxEVT_CODEVIEW_CHANGE, wxCommandEvent);
enum
{
IDM_GOTOINMEMVIEW = 12000,
IDM_COPYADDRESS,
IDM_COPYHEX,
IDM_COPYCODE,
IDM_INSERTBLR, IDM_INSERTNOP,
IDM_RUNTOHERE,
IDM_JITRESULTS,
IDM_FOLLOWBRANCH,
IDM_RENAMESYMBOL,
IDM_PATCHALERT,
IDM_COPYFUNCTION,
IDM_ADDFUNCTION,
};
CCodeView::CCodeView(DebugInterface* debuginterface, SymbolDB *symboldb,
wxWindow* parent, wxWindowID Id)
: wxControl(parent, Id),
m_debugger(debuginterface),
m_symbol_db(symboldb),
m_plain(false),
m_curAddress(debuginterface->GetPC()),
m_align(debuginterface->GetInstructionSize(0)),
m_rowHeight(13),
m_selection(0),
m_oldSelection(0),
m_selecting(false),
m_lx(-1),
m_ly(-1)
{
Bind(wxEVT_ERASE_BACKGROUND, &CCodeView::OnErase, this);
Bind(wxEVT_PAINT, &CCodeView::OnPaint, this);
Bind(wxEVT_MOUSEWHEEL, &CCodeView::OnScrollWheel, this);
Bind(wxEVT_LEFT_DOWN, &CCodeView::OnMouseDown, this);
Bind(wxEVT_LEFT_UP, &CCodeView::OnMouseUpL, this);
Bind(wxEVT_MOTION, &CCodeView::OnMouseMove, this);
Bind(wxEVT_RIGHT_DOWN, &CCodeView::OnMouseDown, this);
Bind(wxEVT_RIGHT_UP, &CCodeView::OnMouseUpR, this);
Bind(wxEVT_MENU, &CCodeView::OnPopupMenu, this);
Bind(wxEVT_SIZE, &CCodeView::OnResize, this);
}
int CCodeView::YToAddress(int y)
{
wxRect rc = GetClientRect();
int ydiff = y - rc.height / 2 - m_rowHeight / 2;
ydiff = (int)(floorf((float)ydiff / (float)m_rowHeight)) + 1;
return m_curAddress + ydiff * m_align;
}
void CCodeView::OnMouseDown(wxMouseEvent& event)
{
int x = event.m_x;
int y = event.m_y;
if (x > 16)
{
m_oldSelection = m_selection;
m_selection = YToAddress(y);
// SetCapture(wnd);
bool oldselecting = m_selecting;
m_selecting = true;
if (!oldselecting || (m_selection != m_oldSelection))
Refresh();
}
else
{
ToggleBreakpoint(YToAddress(y));
}
event.Skip();
}
void CCodeView::OnScrollWheel(wxMouseEvent& event)
{
const bool scroll_down = (event.GetWheelRotation() < 0);
const int num_lines = event.GetLinesPerAction();
if (scroll_down)
{
m_curAddress += num_lines * 4;
}
else
{
m_curAddress -= num_lines * 4;
}
Refresh();
event.Skip();
}
void CCodeView::ToggleBreakpoint(u32 address)
{
m_debugger->ToggleBreakpoint(address);
Refresh();
// Propagate back to the parent window to update the breakpoint list.
wxCommandEvent evt(wxEVT_HOST_COMMAND, IDM_UPDATE_BREAKPOINTS);
GetEventHandler()->AddPendingEvent(evt);
}
void CCodeView::OnMouseMove(wxMouseEvent& event)
{
wxRect rc = GetClientRect();
if (event.m_leftDown && event.m_x > 16)
{
if (event.m_y < 0)
{
m_curAddress -= m_align;
Refresh();
}
else if (event.m_y > rc.height)
{
m_curAddress += m_align;
Refresh();
}
else
{
OnMouseDown(event);
}
}
event.Skip();
}
void CCodeView::RaiseEvent()
{
wxCommandEvent ev(wxEVT_CODEVIEW_CHANGE, GetId());
ev.SetEventObject(this);
ev.SetInt(m_selection);
GetEventHandler()->ProcessEvent(ev);
}
void CCodeView::OnMouseUpL(wxMouseEvent& event)
{
if (event.m_x > 16)
{
m_curAddress = YToAddress(event.m_y);
m_selecting = false;
Refresh();
}
RaiseEvent();
event.Skip();
}
u32 CCodeView::AddrToBranch(u32 addr)
{
std::string disasm = m_debugger->Disassemble(addr);
size_t pos = disasm.find("->0x");
if (pos != std::string::npos)
{
std::string hex = disasm.substr(pos + 2);
return std::stoul(hex, nullptr, 16);
}
return 0;
}
void CCodeView::InsertBlrNop(int Blr)
{
// Check if this address has been modified
int find = -1;
for (u32 i = 0; i < m_blrList.size(); i++)
{
if (m_blrList.at(i).address == m_selection)
{
find = i;
break;
}
}
// Save the old value
if (find >= 0)
{
m_debugger->WriteExtraMemory(0, m_blrList.at(find).oldValue, m_selection);
m_blrList.erase(m_blrList.begin() + find);
}
else
{
BlrStruct temp;
temp.address = m_selection;
temp.oldValue = m_debugger->ReadMemory(m_selection);
m_blrList.push_back(temp);
if (Blr == 0)
m_debugger->InsertBLR(m_selection, 0x4e800020);
else
m_debugger->InsertBLR(m_selection, 0x60000000);
}
Refresh();
}
void CCodeView::OnPopupMenu(wxCommandEvent& event)
{
#if wxUSE_CLIPBOARD
wxTheClipboard->Open();
#endif
switch (event.GetId())
{
case IDM_GOTOINMEMVIEW:
// CMemoryDlg::Goto(selection);
break;
#if wxUSE_CLIPBOARD
case IDM_COPYADDRESS:
wxTheClipboard->SetData(new wxTextDataObject(wxString::Format("%08x", m_selection)));
break;
case IDM_COPYCODE:
{
std::string disasm = m_debugger->Disassemble(m_selection);
wxTheClipboard->SetData(new wxTextDataObject(StrToWxStr(disasm)));
}
break;
case IDM_COPYHEX:
{
std::string temp = StringFromFormat("%08x", m_debugger->ReadInstruction(m_selection));
wxTheClipboard->SetData(new wxTextDataObject(StrToWxStr(temp)));
}
break;
case IDM_COPYFUNCTION:
{
Symbol *symbol = m_symbol_db->GetSymbolFromAddr(m_selection);
if (symbol)
{
std::string text;
text = text + symbol->name + "\r\n";
// we got a function
u32 start = symbol->address;
u32 end = start + symbol->size;
for (u32 addr = start; addr != end; addr += 4)
{
std::string disasm = m_debugger->Disassemble(addr);
text += StringFromFormat("%08x: ", addr) + disasm + "\r\n";
}
wxTheClipboard->SetData(new wxTextDataObject(StrToWxStr(text)));
}
}
break;
#endif
case IDM_RUNTOHERE:
m_debugger->SetBreakpoint(m_selection);
m_debugger->RunToBreakpoint();
Refresh();
break;
// Insert blr or restore old value
case IDM_INSERTBLR:
InsertBlrNop(0);
Refresh();
break;
case IDM_INSERTNOP:
InsertBlrNop(1);
Refresh();
break;
case IDM_JITRESULTS:
{
// Propagate back to the parent window and tell it
// to flip to the JIT tab for the current address.
wxCommandEvent jit_event(wxEVT_HOST_COMMAND, IDM_UPDATE_JIT_PANE);
GetEventHandler()->AddPendingEvent(jit_event);
}
break;
case IDM_FOLLOWBRANCH:
{
u32 dest = AddrToBranch(m_selection);
if (dest)
{
Center(dest);
RaiseEvent();
}
}
break;
case IDM_ADDFUNCTION:
m_symbol_db->AddFunction(m_selection);
Host_NotifyMapLoaded();
break;
case IDM_RENAMESYMBOL:
{
Symbol *symbol = m_symbol_db->GetSymbolFromAddr(m_selection);
if (symbol)
{
wxTextEntryDialog input_symbol(this, _("Rename symbol:"),
wxGetTextFromUserPromptStr,
StrToWxStr(symbol->name));
if (input_symbol.ShowModal() == wxID_OK)
{
symbol->name = WxStrToStr(input_symbol.GetValue());
Refresh(); // Redraw to show the renamed symbol
}
Host_NotifyMapLoaded();
}
}
break;
case IDM_PATCHALERT:
break;
}
#if wxUSE_CLIPBOARD
wxTheClipboard->Close();
#endif
event.Skip();
}
void CCodeView::OnMouseUpR(wxMouseEvent& event)
{
bool isSymbol = m_symbol_db->GetSymbolFromAddr(m_selection) != nullptr;
// popup menu
wxMenu menu;
//menu->Append(IDM_GOTOINMEMVIEW, "&Goto in mem view");
menu.Append(IDM_FOLLOWBRANCH, _("&Follow branch"))->Enable(AddrToBranch(m_selection) ? true : false);
menu.AppendSeparator();
#if wxUSE_CLIPBOARD
menu.Append(IDM_COPYADDRESS, _("Copy &address"));
menu.Append(IDM_COPYFUNCTION, _("Copy &function"))->Enable(isSymbol);
menu.Append(IDM_COPYCODE, _("Copy &code line"));
menu.Append(IDM_COPYHEX, _("Copy &hex"));
menu.AppendSeparator();
#endif
menu.Append(IDM_RENAMESYMBOL, _("Rename &symbol"))->Enable(isSymbol);
menu.AppendSeparator();
menu.Append(IDM_RUNTOHERE, _("&Run To Here"))->Enable(Core::IsRunning());
menu.Append(IDM_ADDFUNCTION, _("&Add function"))->Enable(Core::IsRunning());
menu.Append(IDM_JITRESULTS, _("PPC vs X86"))->Enable(Core::IsRunning());
menu.Append(IDM_INSERTBLR, _("Insert &blr"))->Enable(Core::IsRunning());
menu.Append(IDM_INSERTNOP, _("Insert &nop"))->Enable(Core::IsRunning());
menu.Append(IDM_PATCHALERT, _("Patch alert"))->Enable(Core::IsRunning());
PopupMenu(&menu);
event.Skip();
}
void CCodeView::OnErase(wxEraseEvent& event)
{}
void CCodeView::OnPaint(wxPaintEvent& event)
{
// -------------------------
// General settings
// -------------------------
std::unique_ptr<wxGraphicsContext> ctx(wxGraphicsContext::Create(wxPaintDC(this)));
wxRect rc = GetClientRect();
ctx->SetFont(DebuggerFont, *wxBLACK);
wxDouble w,h;
ctx->GetTextExtent("0WJyq", &w, &h);
if (h > m_rowHeight)
m_rowHeight = h;
ctx->GetTextExtent("W", &w, &h);
int charWidth = w;
struct branch
{
int src, dst, srcAddr;
};
branch branches[256];
int numBranches = 0;
// TODO: Add any drawing code here...
int width = rc.width;
int numRows = ((rc.height / m_rowHeight) / 2) + 2;
// ------------
// -------------------------
// Colors and brushes
// -------------------------
const wxColour bgColor = *wxWHITE;
wxPen nullPen(bgColor);
wxPen currentPen(*wxBLACK_PEN);
wxPen selPen(*wxGREY_PEN);
nullPen.SetStyle(wxTRANSPARENT);
currentPen.SetStyle(wxSOLID);
wxBrush currentBrush(*wxLIGHT_GREY_BRUSH);
wxBrush pcBrush(*wxGREEN_BRUSH);
wxBrush bpBrush(*wxRED_BRUSH);
wxBrush bgBrush(bgColor);
wxBrush nullBrush(bgColor);
nullBrush.SetStyle(wxTRANSPARENT);
ctx->SetPen(nullPen);
ctx->SetBrush(bgBrush);
ctx->DrawRectangle(0, 0, 16, rc.height);
ctx->DrawRectangle(0, 0, rc.width, 5);
// ------------
// -----------------------------
// Walk through all visible rows
// -----------------------------
for (int i = -numRows; i <= numRows; i++)
{
unsigned int address = m_curAddress + (i * m_align);
int rowY1 = (rc.height / 2) + (m_rowHeight * i) - (m_rowHeight / 2);
int rowY2 = (rc.height / 2) + (m_rowHeight * i) + (m_rowHeight / 2);
wxString temp = wxString::Format("%08x", address);
u32 color = m_debugger->GetColor(address);
wxBrush rowBrush(wxColour(color >> 16, color >> 8, color));
ctx->SetBrush(nullBrush);
ctx->SetPen(nullPen);
ctx->DrawRectangle(0, rowY1, 16, rowY2 - rowY1 + 2);
if (m_selecting && (address == m_selection))
ctx->SetPen(selPen);
else
ctx->SetPen(i == 0 ? currentPen : nullPen);
if (address == m_debugger->GetPC())
ctx->SetBrush(pcBrush);
else
ctx->SetBrush(rowBrush);
ctx->DrawRectangle(16, rowY1, width, rowY2 - rowY1 + 1);
ctx->SetBrush(currentBrush);
if (!m_plain)
{
// the address text is dark red
ctx->SetFont(DebuggerFont, wxColour("#600000"));
ctx->DrawText(temp, 17, rowY1);
ctx->SetFont(DebuggerFont, *wxBLACK);
}
// If running
if (m_debugger->IsAlive())
{
std::vector<std::string> dis;
SplitString(m_debugger->Disassemble(address), '\t', dis);
dis.resize(2);
static const size_t VALID_BRANCH_LENGTH = 10;
const std::string& opcode = dis[0];
const std::string& operands = dis[1];
std::string desc;
// look for hex strings to decode branches
std::string hex_str;
size_t pos = operands.find("0x8");
if (pos != std::string::npos)
{
hex_str = operands.substr(pos);
}
if (hex_str.length() == VALID_BRANCH_LENGTH)
{
u32 offs = std::stoul(hex_str, nullptr, 16);
branches[numBranches].src = rowY1 + (m_rowHeight / 2);
branches[numBranches].srcAddr = (address / m_align);
branches[numBranches++].dst = (int)(rowY1 + ((s64)(u32)offs - (s64)(u32)address) * m_rowHeight / m_align + m_rowHeight / 2);
desc = StringFromFormat("-->%s", m_debugger->GetDescription(offs).c_str());
// the -> arrow illustrations are purple
ctx->SetFont(DebuggerFont, wxTheColourDatabase->Find("PURPLE"));
}
else
{
ctx->SetFont(DebuggerFont, *wxBLACK);
}
ctx->DrawText(StrToWxStr(operands), 17 + 17*charWidth, rowY1);
// ------------
// Show blr as its' own color
if (opcode == "blr")
ctx->SetFont(DebuggerFont, wxTheColourDatabase->Find("DARK GREEN"));
else
ctx->SetFont(DebuggerFont, wxTheColourDatabase->Find("VIOLET"));
ctx->DrawText(StrToWxStr(opcode), 17 + (m_plain ? 1*charWidth : 9*charWidth), rowY1);
if (desc.empty())
{
desc = m_debugger->GetDescription(address);
}
if (!m_plain)
{
ctx->SetFont(DebuggerFont, *wxBLUE);
//char temp[256];
//UnDecorateSymbolName(desc,temp,255,UNDNAME_COMPLETE);
if (!desc.empty())
{
ctx->DrawText(StrToWxStr(desc), 17 + 35 * charWidth, rowY1);
}
}
// Show red breakpoint dot
if (m_debugger->IsBreakpoint(address))
{
ctx->SetBrush(bpBrush);
ctx->DrawRectangle(2, rowY1 + 1, 11, 11);
}
}
} // end of for
// ------------
// -------------------------
// Colors and brushes
// -------------------------
ctx->SetPen(currentPen);
for (int i = 0; i < numBranches; i++)
{
int x = 17 + 49 * charWidth + (branches[i].srcAddr % 9) * 8;
MoveTo(x-2, branches[i].src);
if (branches[i].dst < rc.height + 400 && branches[i].dst > -400)
{
LineTo(ctx, x+2, branches[i].src);
LineTo(ctx, x+2, branches[i].dst);
LineTo(ctx, x-4, branches[i].dst);
MoveTo(x, branches[i].dst - 4);
LineTo(ctx, x-4, branches[i].dst);
LineTo(ctx, x+1, branches[i].dst+5);
}
//else
//{
// This can be re-enabled when there is a scrollbar or
// something on the codeview (the lines are too long)
//LineTo(ctx, x+4, branches[i].src);
//MoveTo(x+2, branches[i].dst-4);
//LineTo(ctx, x+6, branches[i].dst);
//LineTo(ctx, x+1, branches[i].dst+5);
//}
//LineTo(ctx, x, branches[i].dst+4);
//LineTo(ctx, x-2, branches[i].dst);
}
// ------------
}
void CCodeView::LineTo(std::unique_ptr<wxGraphicsContext>& ctx, int x, int y)
{
std::vector<wxPoint2DDouble> points { wxPoint2DDouble(m_lx, m_ly), wxPoint2DDouble(x, y) };
ctx->DrawLines(points.size(), points.data());
m_lx = x;
m_ly = y;
}
void CCodeView::OnResize(wxSizeEvent& event)
{
Refresh();
event.Skip();
}
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