dolphin/Source/Core/DebuggerUICommon/Src/CodeView.cpp

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// Copyright (C) 2003 Dolphin Project.
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, version 2.0.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License 2.0 for more details.
// A copy of the GPL 2.0 should have been included with the program.
// If not, see http://www.gnu.org/licenses/
// Official SVN repository and contact information can be found at
// http://code.google.com/p/dolphin-emu/
#include "Common.h"
#include "StringUtil.h"
#include "DebuggerUIUtil.h"
#include "DebugInterface.h"
#include "Host.h"
#include "CodeView.h"
#include "SymbolDB.h"
#include <wx/event.h>
#include <wx/clipbrd.h>
#include <wx/textdlg.h>
DEFINE_EVENT_TYPE(wxEVT_CODEVIEW_CHANGE);
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,
};
BEGIN_EVENT_TABLE(CCodeView, wxControl)
EVT_ERASE_BACKGROUND(CCodeView::OnErase)
EVT_PAINT(CCodeView::OnPaint)
EVT_LEFT_DOWN(CCodeView::OnMouseDown)
EVT_LEFT_UP(CCodeView::OnMouseUpL)
EVT_MOTION(CCodeView::OnMouseMove)
EVT_RIGHT_DOWN(CCodeView::OnMouseDown)
EVT_RIGHT_UP(CCodeView::OnMouseUpR)
EVT_MENU(-1, CCodeView::OnPopupMenu)
END_EVENT_TABLE()
CCodeView::CCodeView(DebugInterface* debuginterface, SymbolDB *symboldb, wxWindow* parent, wxWindowID Id, const wxSize& Size)
: wxControl(parent, Id, wxDefaultPosition, Size),
debugger(debuginterface),
symbol_db(symboldb),
plain(false),
rowHeight(13),
selection(0),
oldSelection(0),
selectionChanged(false),
selecting(false),
hasFocus(false),
showHex(false),
lx(-1),
ly(-1)
{
rowHeight = 13;
align = debuginterface->getInstructionSize(0);
curAddress = debuginterface->getPC();
selection = 0;
}
wxSize CCodeView::DoGetBestSize() const
{
wxSize bestSize;
bestSize.x = 400;
bestSize.y = 800;
return(bestSize);
}
int CCodeView::YToAddress(int y)
{
wxRect rc = GetClientRect();
int ydiff = y - rc.height / 2 - rowHeight / 2;
ydiff = (int)(floorf((float)ydiff / (float)rowHeight)) + 1;
return(curAddress + ydiff * align);
}
void CCodeView::OnMouseDown(wxMouseEvent& event)
{
int x = event.m_x;
int y = event.m_y;
if (x > 16)
{
oldSelection = selection;
selection = YToAddress(y);
// SetCapture(wnd);
bool oldselecting = selecting;
selecting = true;
if (!oldselecting || (selection != oldSelection))
{
redraw();
}
}
else
{
ToggleBreakpoint(YToAddress(y));
}
event.Skip(true);
}
void CCodeView::ToggleBreakpoint(u32 address)
{
debugger->toggleBreakpoint(address);
redraw();
Host_UpdateBreakPointView();
}
void CCodeView::OnMouseMove(wxMouseEvent& event)
{
wxRect rc = GetClientRect();
if (event.m_leftDown)
{
if (event.m_x > 16)
{
if (event.m_y < 0)
{
curAddress -= align;
redraw();
}
else if (event.m_y > rc.height)
{
curAddress += align;
redraw();
}
else
{
OnMouseDown(event);
}
}
}
event.Skip(true);
}
void CCodeView::RaiseEvent()
{
wxCommandEvent ev(wxEVT_CODEVIEW_CHANGE, GetId());
ev.SetEventObject(this);
ev.SetInt(selection);
GetEventHandler()->ProcessEvent(ev);
}
void CCodeView::OnMouseUpL(wxMouseEvent& event)
{
if (event.m_x > 16)
{
curAddress = YToAddress(event.m_y);
selecting = false;
//ReleaseCapture();
redraw();
}
RaiseEvent();
event.Skip(true);
}
u32 CCodeView::AddrToBranch(u32 addr)
{
char disasm[256];
debugger->disasm(addr, disasm, 256);
const char *mojs = strstr(disasm, "->0x");
if (mojs)
{
u32 dest;
sscanf(mojs+4,"%08x", &dest);
return dest;
}
return 0;
}
void CCodeView::InsertBlrNop(int Blr)
{
// Check if this address has been modified
int find = -1;
for(u32 i = 0; i < BlrList.size(); i++)
{
if(BlrList.at(i).Address == selection)
{ find = i; break; }
}
// Save the old value
if (find >= 0)
{
debugger->writeExtraMemory(0, BlrList.at(find).OldValue, selection);
BlrList.erase(BlrList.begin() + find);
}
else
{
BlrStruct Temp;
Temp.Address = selection;
Temp.OldValue = debugger->readMemory(selection);
BlrList.push_back(Temp);
if (Blr == 0)
debugger->insertBLR(selection, 0x4e800020);
else
debugger->insertBLR(selection, 0x60000000);
}
redraw();
}
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(_T("%08x"), selection)));
break;
case IDM_COPYCODE:
{
char disasm[256];
debugger->disasm(selection, disasm, 256);
wxTheClipboard->SetData(new wxTextDataObject(wxString::FromAscii(disasm))); //Have to manually convert from char* to wxString, don't have to in Windows?
}
break;
case IDM_COPYHEX:
{
char temp[24];
sprintf(temp, "%08x", debugger->readInstruction(selection));
wxTheClipboard->SetData(new wxTextDataObject(wxString::FromAscii(temp)));
}
break;
case IDM_COPYFUNCTION:
{
Symbol *symbol = symbol_db->GetSymbolFromAddr(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) {
char disasm[256];
debugger->disasm(addr, disasm, 256);
text = text + StringFromFormat("%08x: ", addr) + disasm + "\r\n";
}
wxTheClipboard->SetData(new wxTextDataObject(wxString::FromAscii(text.c_str())));
}
}
break;
#endif
case IDM_RUNTOHERE:
debugger->setBreakpoint(selection);
debugger->runToBreakpoint();
redraw();
break;
// Insert blr or restore old value
case IDM_INSERTBLR:
InsertBlrNop(0);
redraw();
break;
case IDM_INSERTNOP:
InsertBlrNop(1);
redraw();
break;
case IDM_JITRESULTS:
debugger->showJitResults(selection);
break;
case IDM_FOLLOWBRANCH:
{
u32 dest = AddrToBranch(selection);
if (dest)
Center(dest);
RaiseEvent();
}
break;
case IDM_ADDFUNCTION:
{
symbol_db->AddFunction(selection);
Host_NotifyMapLoaded();
}
break;
case IDM_RENAMESYMBOL:
{
Symbol *symbol = symbol_db->GetSymbolFromAddr(selection);
if (symbol) {
wxTextEntryDialog input_symbol(this, wxString::FromAscii("Rename symbol:"), wxGetTextFromUserPromptStr,
wxString::FromAscii(symbol->name.c_str()));
if (input_symbol.ShowModal() == wxID_OK) {
symbol->name = input_symbol.GetValue().mb_str();
redraw(); // Redraw to show the renamed symbol
}
Host_NotifyMapLoaded();
}
}
break;
case IDM_PATCHALERT:
{
}
break;
}
#if wxUSE_CLIPBOARD
wxTheClipboard->Close();
#endif
event.Skip(true);
}
void CCodeView::OnMouseUpR(wxMouseEvent& event)
{
bool isSymbol = symbol_db->GetSymbolFromAddr(selection) != 0;
// popup menu
wxMenu* menu = new wxMenu;
//menu->Append(IDM_GOTOINMEMVIEW, "&Goto in mem view");
menu->Append(IDM_FOLLOWBRANCH, wxString::FromAscii("&Follow branch"))->Enable(AddrToBranch(selection) ? true : false);
menu->AppendSeparator();
#if wxUSE_CLIPBOARD
menu->Append(IDM_COPYADDRESS, wxString::FromAscii("Copy &address"));
menu->Append(IDM_COPYFUNCTION, wxString::FromAscii("Copy &function"))->Enable(isSymbol);
menu->Append(IDM_COPYCODE, wxString::FromAscii("Copy &code line"));
menu->Append(IDM_COPYHEX, wxString::FromAscii("Copy &hex"));
menu->AppendSeparator();
#endif
menu->Append(IDM_RENAMESYMBOL, wxString::FromAscii("Rename &symbol"))->Enable(isSymbol);
menu->AppendSeparator();
menu->Append(IDM_RUNTOHERE, _("&Run To Here"));
menu->Append(IDM_ADDFUNCTION, _("&Add function"));
menu->Append(IDM_JITRESULTS, wxString::FromAscii("PPC vs X86"));
menu->Append(IDM_INSERTBLR, wxString::FromAscii("Insert &blr"));
menu->Append(IDM_INSERTNOP, wxString::FromAscii("Insert &nop"));
menu->Append(IDM_PATCHALERT, wxString::FromAscii("Patch alert"));
PopupMenu(menu);
event.Skip(true);
}
void CCodeView::OnErase(wxEraseEvent& event)
{}
void CCodeView::OnPaint(wxPaintEvent& event)
{
// --------------------------------------------------------------------
// General settings
// -------------------------
wxPaintDC dc(this);
wxRect rc = GetClientRect();
dc.SetFont(DebuggerFont);
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 / rowHeight) / 2 + 2;
//numRows=(numRows&(~1)) + 1;
// ------------
// --------------------------------------------------------------------
// Colors and brushes
// -------------------------
dc.SetBackgroundMode(wxTRANSPARENT); // the text background
const wxChar* bgColor = _T("#ffffff");
wxPen nullPen(bgColor);
wxPen currentPen(_T("#000000"));
wxPen selPen(_T("#808080")); // gray
nullPen.SetStyle(wxTRANSPARENT);
currentPen.SetStyle(wxSOLID);
wxBrush currentBrush(_T("#FFEfE8")); // light gray
wxBrush pcBrush(_T("#70FF70")); // green
wxBrush bpBrush(_T("#FF3311")); // red
wxBrush bgBrush(bgColor);
wxBrush nullBrush(bgColor);
nullBrush.SetStyle(wxTRANSPARENT);
dc.SetPen(nullPen);
dc.SetBrush(bgBrush);
dc.DrawRectangle(0, 0, 16, rc.height);
dc.DrawRectangle(0, 0, rc.width, 5);
// ------------
// --------------------------------------------------------------------
// Walk through all visible rows
// -------------------------
for (int i = -numRows; i <= numRows; i++)
{
unsigned int address = curAddress + i * align;
int rowY1 = rc.height / 2 + rowHeight * i - rowHeight / 2;
int rowY2 = rc.height / 2 + rowHeight * i + rowHeight / 2;
wxString temp = wxString::Format(_T("%08x"), address);
u32 col = debugger->getColor(address);
wxBrush rowBrush(wxColor(col >> 16, col >> 8, col));
dc.SetBrush(nullBrush);
dc.SetPen(nullPen);
dc.DrawRectangle(0, rowY1, 16, rowY2 - rowY1 + 2);
if (selecting && (address == selection))
dc.SetPen(selPen);
else
dc.SetPen(i == 0 ? currentPen : nullPen);
if (address == debugger->getPC())
dc.SetBrush(pcBrush);
else
dc.SetBrush(rowBrush);
dc.DrawRectangle(16, rowY1, width, rowY2 - rowY1 + 1);
dc.SetBrush(currentBrush);
if (!plain) {
dc.SetTextForeground(_T("#600000")); // the address text is dark red
dc.DrawText(temp, 17, rowY1);
dc.SetTextForeground(_T("#000000"));
}
// If running
if (debugger->isAlive())
{
char dis[256];
debugger->disasm(address, dis, 256);
char* dis2 = strchr(dis, '\t');
char desc[256] = "";
// If we have a code
if (dis2)
{
*dis2 = 0;
dis2++;
// look for hex strings to decode branches
const char* mojs = strstr(dis2, "0x8");
if (mojs)
{
for (int k = 0; k < 8; k++)
{
bool found = false;
for (int j = 0; j < 22; j++)
{
if (mojs[k + 2] == "0123456789ABCDEFabcdef"[j])
found = true;
}
if (!found)
{
mojs = 0;
break;
}
}
}
if (mojs)
{
int offs;
sscanf(mojs + 2, "%08x", &offs);
branches[numBranches].src = rowY1 + rowHeight / 2;
branches[numBranches].srcAddr = address / align;
branches[numBranches++].dst = (int)(rowY1 + ((s64)(u32)offs - (s64)(u32)address) * rowHeight / align + rowHeight / 2);
sprintf(desc, "-->%s", debugger->getDescription(offs).c_str());
dc.SetTextForeground(_T("#600060")); // the -> arrow illustrations are purple
}
else
{
dc.SetTextForeground(_T("#000000"));
}
dc.DrawText(wxString::FromAscii(dis2), 140, rowY1);
// ------------
}
// Show blr as its' own color
if (strcmp(dis, "blr"))
dc.SetTextForeground(_T("#007000")); // dark green
else
dc.SetTextForeground(_T("#8000FF")); // purple
dc.DrawText(wxString::FromAscii(dis), plain ? 25 : 80, rowY1);
if (desc[0] == 0)
{
strcpy(desc, debugger->getDescription(address).c_str());
}
if (!plain) {
dc.SetTextForeground(_T("#0000FF")); // blue
//char temp[256];
//UnDecorateSymbolName(desc,temp,255,UNDNAME_COMPLETE);
if (strlen(desc))
{
dc.DrawText(wxString::FromAscii(desc), 270, rowY1);
}
}
// Show red breakpoint dot
if (debugger->isBreakpoint(address))
{
dc.SetBrush(bpBrush);
dc.DrawRectangle(2, rowY1 + 1, 11, 11);
}
}
} // end of for
// ------------
// --------------------------------------------------------------------
// Colors and brushes
// -------------------------
dc.SetPen(currentPen);
for (int i = 0; i < numBranches; i++)
{
int x = 370 + (branches[i].srcAddr % 9) * 8;
_MoveTo(x-2, branches[i].src);
if (branches[i].dst < rc.height + 400 && branches[i].dst > -400)
{
_LineTo(dc, x+2, branches[i].src);
_LineTo(dc, x+2, branches[i].dst);
_LineTo(dc, x-4, branches[i].dst);
_MoveTo(x, branches[i].dst - 4);
_LineTo(dc, x-4, branches[i].dst);
_LineTo(dc, 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(dc, x+4, branches[i].src);
//_MoveTo(x+2, branches[i].dst-4);
//_LineTo(dc, x+6, branches[i].dst);
//_LineTo(dc, x+1, branches[i].dst+5);
//}
//_LineTo(dc, x, branches[i].dst+4);
//_LineTo(dc, x-2, branches[i].dst);
}
// ------------
}
void CCodeView::_LineTo(wxPaintDC &dc, int x, int y)
{
dc.DrawLine(lx, ly, x, y);
lx = x;
ly = y;
}