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ppsspp/Windows/Debugger/CtrlDisAsmView.cpp

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// NOTE: Apologies for the quality of this code, this is really from pre-opensource Dolphin - that is, 2003.
#include "Windows/resource.h"
#include "Core/MemMap.h"
#include "Core/MIPS/JitCommon/JitCommon.h"
#include "Windows/W32Util/Misc.h"
#include "Windows/WndMainWindow.h"
#include "Windows/InputBox.h"
#include "Core/MIPS/MIPSAsm.h"
#include "Core/MIPS/MIPSAnalyst.h"
#include "Core/Config.h"
#include "Windows/Debugger/CtrlDisAsmView.h"
#include "Windows/Debugger/Debugger_MemoryDlg.h"
#include "Windows/Debugger/DebuggerShared.h"
#include "Windows/Debugger/BreakpointWindow.h"
#include "Core/Debugger/SymbolMap.h"
#include "Globals.h"
#include "Windows/main.h"
#include "Common/CommonWindows.h"
#include "util/text/utf8.h"
#include "ext/xxhash.h"
#include <CommDlg.h>
#include <tchar.h>
#include <set>
TCHAR CtrlDisAsmView::szClassName[] = _T("CtrlDisAsmView");
extern HMENU g_hPopupMenus;
void CtrlDisAsmView::init()
{
WNDCLASSEX wc;
wc.cbSize = sizeof(wc);
wc.lpszClassName = szClassName;
wc.hInstance = GetModuleHandle(0);
wc.lpfnWndProc = CtrlDisAsmView::wndProc;
wc.hCursor = LoadCursor (NULL, IDC_ARROW);
wc.hIcon = 0;
wc.lpszMenuName = 0;
wc.hbrBackground = (HBRUSH)GetSysColorBrush(COLOR_WINDOW);
wc.style = 0;
wc.cbClsExtra = 0;
wc.cbWndExtra = sizeof( CtrlDisAsmView * );
wc.hIconSm = 0;
RegisterClassEx(&wc);
}
void CtrlDisAsmView::deinit()
{
//UnregisterClass(szClassName, hInst)
}
void CtrlDisAsmView::scanFunctions()
{
manager.analyze(windowStart,manager.getNthNextAddress(windowStart,visibleRows)-windowStart);
}
LRESULT CALLBACK CtrlDisAsmView::wndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
CtrlDisAsmView *ccp = CtrlDisAsmView::getFrom(hwnd);
static bool lmbDown=false,rmbDown=false;
switch(msg)
{
case WM_NCCREATE:
// Allocate a new CustCtrl structure for this window.
ccp = new CtrlDisAsmView(hwnd);
// Continue with window creation.
return ccp != NULL;
// Clean up when the window is destroyed.
case WM_NCDESTROY:
delete ccp;
break;
case WM_SETFONT:
break;
case WM_SIZE:
ccp->redraw();
break;
case WM_PAINT:
ccp->onPaint(wParam,lParam);
break;
case WM_VSCROLL:
ccp->onVScroll(wParam,lParam);
break;
case WM_MOUSEWHEEL:
ccp->dontRedraw = false;
if (GET_WHEEL_DELTA_WPARAM(wParam) > 0)
{
ccp->scrollWindow(-3);
} else if (GET_WHEEL_DELTA_WPARAM(wParam) < 0) {
ccp->scrollWindow(3);
}
break;
case WM_ERASEBKGND:
return FALSE;
case WM_KEYDOWN:
ccp->onKeyDown(wParam,lParam);
return 0;
case WM_CHAR:
ccp->onChar(wParam,lParam);
return 0;
case WM_SYSKEYDOWN:
ccp->onKeyDown(wParam,lParam);
return 0; // return a value so that windows doesn't execute the standard syskey action
case WM_KEYUP:
ccp->onKeyUp(wParam,lParam);
return 0;
case WM_LBUTTONDOWN: lmbDown=true; ccp->onMouseDown(wParam,lParam,1); break;
case WM_RBUTTONDOWN: rmbDown=true; ccp->onMouseDown(wParam,lParam,2); break;
case WM_MOUSEMOVE: ccp->onMouseMove(wParam,lParam,(lmbDown?1:0) | (rmbDown?2:0)); break;
case WM_LBUTTONUP: lmbDown=false; ccp->onMouseUp(wParam,lParam,1); break;
case WM_RBUTTONUP: rmbDown=false; ccp->onMouseUp(wParam,lParam,2); break;
case WM_SETFOCUS:
SetFocus(hwnd);
ccp->hasFocus=true;
ccp->redraw();
break;
case WM_KILLFOCUS:
ccp->hasFocus=false;
ccp->redraw();
break;
case WM_GETDLGCODE:
if (lParam && ((MSG*)lParam)->message == WM_KEYDOWN)
{
switch (wParam)
{
case VK_TAB:
return DLGC_WANTMESSAGE;
default:
return DLGC_WANTCHARS|DLGC_WANTARROWS;
}
}
return DLGC_WANTCHARS|DLGC_WANTARROWS;
default:
break;
}
return DefWindowProc(hwnd, msg, wParam, lParam);
}
CtrlDisAsmView *CtrlDisAsmView::getFrom(HWND hwnd)
{
return (CtrlDisAsmView *)GetWindowLongPtr(hwnd, GWLP_USERDATA);
}
CtrlDisAsmView::CtrlDisAsmView(HWND _wnd)
{
wnd=_wnd;
SetWindowLongPtr(wnd, GWLP_USERDATA, (LONG)this);
SetWindowLong(wnd, GWL_STYLE, GetWindowLong(wnd,GWL_STYLE) | WS_VSCROLL);
SetScrollRange(wnd, SB_VERT, -1,1,TRUE);
charWidth = g_Config.iFontWidth;
rowHeight = g_Config.iFontHeight+2;
font = CreateFont(rowHeight-2,charWidth,0,0,FW_DONTCARE,FALSE,FALSE,FALSE,DEFAULT_CHARSET,OUT_DEFAULT_PRECIS,CLIP_DEFAULT_PRECIS,DEFAULT_QUALITY,DEFAULT_PITCH,
L"Lucida Console");
boldfont = CreateFont(rowHeight-2,charWidth,0,0,FW_DEMIBOLD,FALSE,FALSE,FALSE,DEFAULT_CHARSET,OUT_DEFAULT_PRECIS,CLIP_DEFAULT_PRECIS,DEFAULT_QUALITY,DEFAULT_PITCH,
L"Lucida Console");
curAddress=0;
showHex=false;
hasFocus = false;
dontRedraw = false;
keyTaken = false;
matchAddress = -1;
searching = false;
searchQuery = "";
windowStart = curAddress;
whiteBackground = false;
displaySymbols = true;
calculatePixelPositions();
}
CtrlDisAsmView::~CtrlDisAsmView()
{
DeleteObject(font);
DeleteObject(boldfont);
}
COLORREF scaleColor(COLORREF color, float factor)
{
unsigned char r = color & 0xFF;
unsigned char g = (color >> 8) & 0xFF;
unsigned char b = (color >> 16) & 0xFF;
r = min(255,max((int)(r*factor),0));
g = min(255,max((int)(g*factor),0));
b = min(255,max((int)(b*factor),0));
return (color & 0xFF000000) | (b << 16) | (g << 8) | r;
}
bool CtrlDisAsmView::getDisasmAddressText(u32 address, char* dest, bool abbreviateLabels, bool showData)
{
if (displaySymbols)
{
const char* addressSymbol = symbolMap.GetLabelName(address);
if (addressSymbol != NULL)
{
for (int k = 0; addressSymbol[k] != 0; k++)
{
// abbreviate long names
if (abbreviateLabels && k == 16 && addressSymbol[k+1] != 0)
{
*dest++ = '+';
break;
}
*dest++ = addressSymbol[k];
}
*dest++ = ':';
*dest = 0;
return true;
} else {
sprintf(dest," %08X",address);
return false;
}
} else {
if (showData)
sprintf(dest,"%08X %08X",address,Memory::Read_U32(address));
else
sprintf(dest,"%08X",address);
return false;
}
}
std::string trimString(std::string input)
{
size_t pos = input.find_first_not_of(" \t");
if (pos != 0 && pos != std::string::npos)
{
input = input.erase(0,pos);
}
pos = input.find_last_not_of(" \t");
if (pos != std::string::npos)
{
size_t size = input.length()-pos-1;
input = input.erase(pos+1,size);
}
return input;
}
void CtrlDisAsmView::assembleOpcode(u32 address, std::string defaultText)
{
u32 encoded;
if (Core_IsStepping() == false) {
MessageBox(wnd,L"Cannot change code while the core is running!",L"Error",MB_OK);
return;
}
std::string op;
bool result = InputBox_GetString(MainWindow::GetHInstance(),wnd,L"Assemble opcode",defaultText, op, false);
if (!result)
return;
// check if it changes registers first
auto seperator = op.find('=');
if (seperator != std::string::npos)
{
std::string registerName = trimString(op.substr(0,seperator));
std::string expression = trimString(op.substr(seperator+1));
u32 value;
if (parseExpression(expression.c_str(),debugger,value) == true)
{
for (int cat = 0; cat < debugger->GetNumCategories(); cat++)
{
for (int reg = 0; reg < debugger->GetNumRegsInCategory(cat); reg++)
{
if (strcasecmp(debugger->GetRegName(cat,reg),registerName.c_str()) == 0)
{
debugger->SetRegValue(cat,reg,value);
SendMessage(GetParent(wnd),WM_DEB_UPDATE,0,0);
return;
}
}
}
}
// try to assemble the input if it failed
}
result = MIPSAsm::MipsAssembleOpcode(op.c_str(),debugger,address,encoded);
if (result == true)
{
Memory::Write_U32(encoded, address);
// In case this is a delay slot or combined instruction, clear cache above it too.
if (MIPSComp::jit)
MIPSComp::jit->ClearCacheAt(address - 4, 8);
scanFunctions();
if (address == curAddress)
gotoAddr(manager.getNthNextAddress(curAddress,1));
redraw();
} else {
std::wstring error = ConvertUTF8ToWString(MIPSAsm::GetAssembleError());
MessageBox(wnd,error.c_str(),L"Error",MB_OK);
}
}
void CtrlDisAsmView::drawBranchLine(HDC hdc, std::map<u32,int>& addressPositions, BranchLine& line)
{
HPEN pen;
u32 windowEnd = manager.getNthNextAddress(windowStart,visibleRows);
int topY;
int bottomY;
if (line.first < windowStart)
{
topY = -1;
} else if (line.first >= windowEnd)
{
topY = rect.bottom+1;
} else {
topY = addressPositions[line.first] + rowHeight/2;
}
if (line.second < windowStart)
{
bottomY = -1;
} else if (line.second >= windowEnd)
{
bottomY = rect.bottom+1;
} else {
bottomY = addressPositions[line.second] + rowHeight/2;
}
if ((topY < 0 && bottomY < 0) || (topY > rect.bottom && bottomY > rect.bottom))
{
return;
}
// highlight line in a different color if it affects the currently selected opcode
if (line.first == curAddress || line.second == curAddress)
{
pen = CreatePen(0,0,0x257AFA);
} else {
pen = CreatePen(0,0,0xFF3020);
}
HPEN oldPen = (HPEN) SelectObject(hdc,pen);
int x = pixelPositions.arrowsStart+line.laneIndex*8;
if (topY < 0) // first is not visible, but second is
{
MoveToEx(hdc,x-2,bottomY,0);
LineTo(hdc,x+2,bottomY);
LineTo(hdc,x+2,0);
if (line.type == LINE_DOWN)
{
MoveToEx(hdc,x,bottomY-4,0);
LineTo(hdc,x-4,bottomY);
LineTo(hdc,x+1,bottomY+5);
}
} else if (bottomY > rect.bottom) // second is not visible, but first is
{
MoveToEx(hdc,x-2,topY,0);
LineTo(hdc,x+2,topY);
LineTo(hdc,x+2,rect.bottom);
if (line.type == LINE_UP)
{
MoveToEx(hdc,x,topY-4,0);
LineTo(hdc,x-4,topY);
LineTo(hdc,x+1,topY+5);
}
} else { // both are visible
if (line.type == LINE_UP)
{
MoveToEx(hdc,x-2,bottomY,0);
LineTo(hdc,x+2,bottomY);
LineTo(hdc,x+2,topY);
LineTo(hdc,x-4,topY);
MoveToEx(hdc,x,topY-4,0);
LineTo(hdc,x-4,topY);
LineTo(hdc,x+1,topY+5);
} else {
MoveToEx(hdc,x-2,topY,0);
LineTo(hdc,x+2,topY);
LineTo(hdc,x+2,bottomY);
LineTo(hdc,x-4,bottomY);
MoveToEx(hdc,x,bottomY-4,0);
LineTo(hdc,x-4,bottomY);
LineTo(hdc,x+1,bottomY+5);
}
}
SelectObject(hdc,oldPen);
DeleteObject(pen);
}
void CtrlDisAsmView::onPaint(WPARAM wParam, LPARAM lParam)
{
if (!debugger->isAlive()) return;
PAINTSTRUCT ps;
HDC actualHdc = BeginPaint(wnd, &ps);
HDC hdc = CreateCompatibleDC(actualHdc);
HBITMAP hBM = CreateCompatibleBitmap(actualHdc, rect.right-rect.left, rect.bottom-rect.top);
SelectObject(hdc, hBM);
SetBkMode(hdc, TRANSPARENT);
HPEN nullPen=CreatePen(0,0,0xffffff);
HBRUSH nullBrush=CreateSolidBrush(0xffffff);
HBRUSH currentBrush=CreateSolidBrush(0xFFEfE8);
HPEN oldPen=(HPEN)SelectObject(hdc,nullPen);
HBRUSH oldBrush=(HBRUSH)SelectObject(hdc,nullBrush);
HFONT oldFont = (HFONT)SelectObject(hdc,(HGDIOBJ)font);
HICON breakPoint = (HICON)LoadIcon(GetModuleHandle(0),(LPCWSTR)IDI_STOP);
HICON breakPointDisable = (HICON)LoadIcon(GetModuleHandle(0),(LPCWSTR)IDI_STOPDISABLE);
unsigned int address = windowStart;
std::map<u32,int> addressPositions;
DisassemblyLineInfo line;
for (int i = 0; i < visibleRows; i++)
{
manager.getLine(address,displaySymbols,line);
int rowY1 = rowHeight*i;
int rowY2 = rowHeight*(i+1);
addressPositions[address] = rowY1;
// draw background
COLORREF backgroundColor = whiteBackground ? 0xFFFFFF : debugger->getColor(address);
COLORREF textColor = 0x000000;
if (isInInterval(address,line.totalSize,debugger->getPC()))
{
backgroundColor = scaleColor(backgroundColor,1.05f);
}
if (address >= selectRangeStart && address < selectRangeEnd && searching == false)
{
if (hasFocus)
{
backgroundColor = address == curAddress ? 0xFF8822 : 0xFF9933;
textColor = 0xFFFFFF;
} else {
backgroundColor = 0xC0C0C0;
}
}
HBRUSH backgroundBrush = CreateSolidBrush(backgroundColor);
HPEN backgroundPen = CreatePen(0,0,backgroundColor);
SelectObject(hdc,backgroundBrush);
SelectObject(hdc,backgroundPen);
Rectangle(hdc,0,rowY1,rect.right,rowY1+rowHeight);
SelectObject(hdc,currentBrush);
SelectObject(hdc,nullPen);
DeleteObject(backgroundBrush);
DeleteObject(backgroundPen);
// display address/symbol
bool enabled;
if (CBreakPoints::IsAddressBreakPoint(address,&enabled))
{
if (enabled) textColor = 0x0000FF;
int yOffset = max(-1,(rowHeight-14+1)/2);
if (!enabled) yOffset++;
DrawIconEx(hdc,2,rowY1+1+yOffset,enabled ? breakPoint : breakPointDisable,32,32,0,0,DI_NORMAL);
}
SetTextColor(hdc,textColor);
char addressText[64];
getDisasmAddressText(address,addressText,true,line.type == DISTYPE_OPCODE);
TextOutA(hdc,pixelPositions.addressStart,rowY1+2,addressText,(int)strlen(addressText));
if (isInInterval(address,line.totalSize,debugger->getPC()))
{
TextOut(hdc,pixelPositions.opcodeStart-8,rowY1,L"■",1);
}
// display whether the condition of a branch is met
if (line.info.isConditional && address == debugger->getPC())
{
line.params += line.info.conditionMet ? " ; true" : " ; false";
}
if (line.params.size() != 0)
TextOutA(hdc,pixelPositions.argumentsStart,rowY1+2,line.params.c_str(),(int)line.params.size());
SelectObject(hdc,boldfont);
TextOutA(hdc,pixelPositions.opcodeStart,rowY1+2,line.name.c_str(),(int)line.name.size());
SelectObject(hdc,font);
address += line.totalSize;
}
std::vector<BranchLine> branchLines = manager.getBranchLines(windowStart,address-windowStart);
for (size_t i = 0; i < branchLines.size(); i++)
{
drawBranchLine(hdc,addressPositions,branchLines[i]);
}
SelectObject(hdc,oldFont);
SelectObject(hdc,oldPen);
SelectObject(hdc,oldBrush);
// copy bitmap to the actual hdc
BitBlt(actualHdc, 0, 0, rect.right, rect.bottom, hdc, 0, 0, SRCCOPY);
DeleteObject(hBM);
DeleteDC(hdc);
DeleteObject(nullPen);
DeleteObject(nullBrush);
DeleteObject(currentBrush);
DestroyIcon(breakPoint);
DestroyIcon(breakPointDisable);
EndPaint(wnd, &ps);
}
void CtrlDisAsmView::onVScroll(WPARAM wParam, LPARAM lParam)
{
switch (wParam & 0xFFFF)
{
case SB_LINEDOWN:
windowStart = manager.getNthNextAddress(windowStart,1);
break;
case SB_LINEUP:
windowStart = manager.getNthPreviousAddress(windowStart,1);
break;
case SB_PAGEDOWN:
windowStart = manager.getNthNextAddress(windowStart,visibleRows);
break;
case SB_PAGEUP:
windowStart = manager.getNthPreviousAddress(windowStart,visibleRows);
break;
default:
return;
}
scanFunctions();
redraw();
}
void CtrlDisAsmView::followBranch()
{
DisassemblyLineInfo line;
manager.getLine(curAddress,true,line);
if (line.type == DISTYPE_OPCODE || line.type == DISTYPE_MACRO)
{
if (line.info.isBranch)
{
jumpStack.push_back(curAddress);
gotoAddr(line.info.branchTarget);
} else if (line.info.hasRelevantAddress)
{
// well, not exactly a branch, but we can do something anyway
SendMessage(GetParent(wnd),WM_DEB_GOTOHEXEDIT,line.info.releventAddress,0);
SetFocus(wnd);
}
} else if (line.type == DISTYPE_DATA)
{
// jump to the start of the current line
SendMessage(GetParent(wnd),WM_DEB_GOTOHEXEDIT,curAddress,0);
SetFocus(wnd);
}
}
void CtrlDisAsmView::onChar(WPARAM wParam, LPARAM lParam)
{
if (keyTaken) return;
char str[2];
str[0] = wParam;
str[1] = 0;
assembleOpcode(curAddress,str);
}
void CtrlDisAsmView::editBreakpoint()
{
BreakpointWindow win(wnd,debugger);
bool exists = false;
if (CBreakPoints::IsAddressBreakPoint(curAddress))
{
auto breakpoints = CBreakPoints::GetBreakpoints();
for (size_t i = 0; i < breakpoints.size(); i++)
{
if (breakpoints[i].addr == curAddress)
{
win.loadFromBreakpoint(breakpoints[i]);
exists = true;
break;
}
}
}
if (!exists)
win.initBreakpoint(curAddress);
if (win.exec())
{
if (exists)
CBreakPoints::RemoveBreakPoint(curAddress);
win.addBreakpoint();
}
}
void CtrlDisAsmView::onKeyDown(WPARAM wParam, LPARAM lParam)
{
dontRedraw = false;
u32 windowEnd = manager.getNthNextAddress(windowStart,visibleRows);
keyTaken = true;
if (KeyDownAsync(VK_CONTROL))
{
switch (tolower(wParam & 0xFFFF))
{
case 'f':
case 's':
search(false);
break;
case 'c':
case VK_INSERT:
copyInstructions(selectRangeStart, selectRangeEnd, true);
break;
case 'x':
disassembleToFile();
break;
case 'a':
assembleOpcode(curAddress,"");
break;
case 'g':
{
u32 addr;
if (executeExpressionWindow(wnd,debugger,addr) == false) return;
gotoAddr(addr);
}
break;
case 'e': // edit breakpoint
editBreakpoint();
break;
case 'd': // toogle breakpoint enabled
toggleBreakpoint(true);
break;
case VK_UP:
scrollWindow(-1);
scanFunctions();
break;
case VK_DOWN:
scrollWindow(1);
scanFunctions();
break;
case VK_NEXT:
setCurAddress(manager.getNthPreviousAddress(windowEnd,1),KeyDownAsync(VK_SHIFT));
break;
case VK_PRIOR:
setCurAddress(windowStart,KeyDownAsync(VK_SHIFT));
break;
}
} else {
switch (wParam & 0xFFFF)
{
case VK_DOWN:
setCurAddress(manager.getNthNextAddress(curAddress,1), KeyDownAsync(VK_SHIFT));
scrollAddressIntoView();
break;
case VK_UP:
setCurAddress(manager.getNthPreviousAddress(curAddress,1), KeyDownAsync(VK_SHIFT));
scrollAddressIntoView();
break;
case VK_NEXT:
if (manager.getNthNextAddress(curAddress,1) != windowEnd && curAddressIsVisible()) {
setCurAddress(manager.getNthPreviousAddress(windowEnd,1), KeyDownAsync(VK_SHIFT));
scrollAddressIntoView();
} else {
setCurAddress(manager.getNthNextAddress(windowEnd,visibleRows-1), KeyDownAsync(VK_SHIFT));
scrollAddressIntoView();
}
break;
case VK_PRIOR:
if (curAddress != windowStart && curAddressIsVisible()) {
setCurAddress(windowStart, KeyDownAsync(VK_SHIFT));
scrollAddressIntoView();
} else {
setCurAddress(manager.getNthPreviousAddress(windowStart,visibleRows), KeyDownAsync(VK_SHIFT));
scrollAddressIntoView();
}
break;
case VK_LEFT:
if (jumpStack.empty())
{
gotoPC();
} else {
u32 addr = jumpStack[jumpStack.size()-1];
jumpStack.pop_back();
gotoAddr(addr);
}
return;
case VK_RIGHT:
followBranch();
return;
case VK_TAB:
displaySymbols = !displaySymbols;
break;
case VK_SPACE:
debugger->toggleBreakpoint(curAddress);
break;
case VK_F3:
search(true);
break;
default:
keyTaken = false;
return;
}
}
redraw();
}
void CtrlDisAsmView::onKeyUp(WPARAM wParam, LPARAM lParam)
{
}
void CtrlDisAsmView::scrollAddressIntoView()
{
u32 windowEnd = manager.getNthNextAddress(windowStart,visibleRows);
if (curAddress < windowStart)
windowStart = curAddress;
else if (curAddress >= windowEnd)
windowStart = manager.getNthPreviousAddress(curAddress,visibleRows-1);
scanFunctions();
}
bool CtrlDisAsmView::curAddressIsVisible()
{
u32 windowEnd = manager.getNthNextAddress(windowStart,visibleRows);
return curAddress >= windowStart && curAddress < windowEnd;
}
void CtrlDisAsmView::redraw()
{
if (dontRedraw == true) return;
GetClientRect(wnd, &rect);
visibleRows = rect.bottom/rowHeight;
InvalidateRect(wnd, NULL, FALSE);
UpdateWindow(wnd);
}
void CtrlDisAsmView::toggleBreakpoint(bool toggleEnabled)
{
bool enabled;
if (CBreakPoints::IsAddressBreakPoint(curAddress,&enabled))
{
if (!enabled)
{
// enable disabled breakpoints
CBreakPoints::ChangeBreakPoint(curAddress,true);
} else if (!toggleEnabled && CBreakPoints::GetBreakPointCondition(curAddress) != NULL)
{
// don't just delete a breakpoint with a custom condition
int ret = MessageBox(wnd,L"This breakpoint has a custom condition.\nDo you want to remove it?",L"Confirmation",MB_YESNO);
if (ret == IDYES)
CBreakPoints::RemoveBreakPoint(curAddress);
} else if (toggleEnabled)
{
// disable breakpoint
CBreakPoints::ChangeBreakPoint(curAddress,false);
} else {
// otherwise just remove breakpoint
CBreakPoints::RemoveBreakPoint(curAddress);
}
} else {
CBreakPoints::AddBreakPoint(curAddress);
}
}
void CtrlDisAsmView::onMouseDown(WPARAM wParam, LPARAM lParam, int button)
{
dontRedraw = false;
int x = LOWORD(lParam);
int y = HIWORD(lParam);
u32 newAddress = yToAddress(y);
bool extend = KeyDownAsync(VK_SHIFT);
if (button == 1)
{
if (newAddress == curAddress && hasFocus)
{
toggleBreakpoint();
}
}
else if (button == 2)
{
// Maintain the current selection if right clicking into it.
if (newAddress >= selectRangeStart && newAddress < selectRangeEnd)
extend = true;
}
setCurAddress(newAddress, extend);
SetFocus(wnd);
redraw();
}
void CtrlDisAsmView::copyInstructions(u32 startAddr, u32 endAddr, bool withDisasm)
{
if (withDisasm == false)
{
int instructionSize = debugger->getInstructionSize(0);
int count = (endAddr - startAddr) / instructionSize;
int space = count * 32;
char *temp = new char[space];
char *p = temp, *end = temp + space;
for (u32 pos = startAddr; pos < endAddr; pos += instructionSize)
{
p += snprintf(p, end - p, "%08X", debugger->readMemory(pos));
// Don't leave a trailing newline.
if (pos + instructionSize < endAddr)
p += snprintf(p, end - p, "\r\n");
}
W32Util::CopyTextToClipboard(wnd, temp);
delete [] temp;
} else
{
std::string disassembly = disassembleRange(startAddr,endAddr-startAddr);
W32Util::CopyTextToClipboard(wnd, disassembly.c_str());
}
}
void CtrlDisAsmView::onMouseUp(WPARAM wParam, LPARAM lParam, int button)
{
if (button == 1)
{
int x = LOWORD(lParam);
int y = HIWORD(lParam);
setCurAddress(yToAddress(y), KeyDownAsync(VK_SHIFT));
redraw();
}
else if (button == 2)
{
//popup menu?
POINT pt;
GetCursorPos(&pt);
switch(TrackPopupMenuEx(GetSubMenu(g_hPopupMenus,1),TPM_RIGHTBUTTON|TPM_RETURNCMD,pt.x,pt.y,wnd,0))
{
case ID_DISASM_GOTOINMEMORYVIEW:
SendMessage(GetParent(wnd),WM_DEB_GOTOHEXEDIT,curAddress,0);
break;
case ID_DISASM_ADDHLE:
break;
case ID_DISASM_TOGGLEBREAKPOINT:
toggleBreakpoint();
redraw();
break;
case ID_DISASM_ASSEMBLE:
assembleOpcode(curAddress,"");
break;
case ID_DISASM_COPYINSTRUCTIONDISASM:
copyInstructions(selectRangeStart, selectRangeEnd, true);
break;
case ID_DISASM_COPYADDRESS:
{
char temp[16];
sprintf(temp,"%08X",curAddress);
W32Util::CopyTextToClipboard(wnd, temp);
}
break;
case ID_DISASM_SETPCTOHERE:
debugger->setPC(curAddress);
redraw();
break;
case ID_DISASM_FOLLOWBRANCH:
followBranch();
break;
case ID_DISASM_COPYINSTRUCTIONHEX:
copyInstructions(selectRangeStart, selectRangeEnd, false);
break;
case ID_DISASM_RUNTOHERE:
{
SendMessage(GetParent(wnd), WM_COMMAND, ID_DEBUG_RUNTOLINE, 0);
redraw();
}
break;
case ID_DISASM_RENAMEFUNCTION:
{
u32 funcBegin = symbolMap.GetFunctionStart(curAddress);
if (funcBegin != -1)
{
char name[256];
std::string newname;
strncpy_s(name, symbolMap.GetLabelName(funcBegin),_TRUNCATE);
if (InputBox_GetString(MainWindow::GetHInstance(), MainWindow::GetHWND(), L"New function name", name, newname)) {
symbolMap.SetLabelName(newname.c_str(),funcBegin);
u32 funcSize = symbolMap.GetFunctionSize(curAddress);
MIPSAnalyst::RegisterFunction(funcBegin, funcSize, newname.c_str());
MIPSAnalyst::UpdateHashMap();
MIPSAnalyst::ApplyHashMap();
SendMessage(GetParent(wnd),WM_DEB_MAPLOADED,0,0);
redraw();
}
}
else
{
MessageBox(MainWindow::GetHWND(), L"No symbol selected",0,0);
}
}
break;
case ID_DISASM_REMOVEFUNCTION:
{
char statusBarTextBuff[256];
u32 funcBegin = symbolMap.GetFunctionStart(curAddress);
if (funcBegin != -1)
{
u32 prevBegin = symbolMap.GetFunctionStart(funcBegin-1);
if (prevBegin != -1)
{
u32 expandedSize = symbolMap.GetFunctionSize(prevBegin)+symbolMap.GetFunctionSize(funcBegin);
symbolMap.SetFunctionSize(prevBegin,expandedSize);
}
symbolMap.RemoveFunction(funcBegin,true);
symbolMap.SortSymbols();
manager.clear();
SendMessage(GetParent(wnd), WM_DEB_MAPLOADED, 0, 0);
}
else
{
snprintf(statusBarTextBuff,256, "WARNING: unable to find function symbol here");
SendMessage(GetParent(wnd), WM_DEB_SETSTATUSBARTEXT, 0, (LPARAM) statusBarTextBuff);
}
redraw();
}
break;
case ID_DISASM_ADDFUNCTION:
{
char statusBarTextBuff[256];
u32 prevBegin = symbolMap.GetFunctionStart(curAddress);
if (prevBegin != -1)
{
if (prevBegin == curAddress)
{
snprintf(statusBarTextBuff,256, "WARNING: There's already a function entry point at this adress");
SendMessage(GetParent(wnd), WM_DEB_SETSTATUSBARTEXT, 0, (LPARAM) statusBarTextBuff);
}
else
{
char symname[128];
u32 prevSize = symbolMap.GetFunctionSize(prevBegin);
u32 newSize = curAddress-prevBegin;
symbolMap.SetFunctionSize(prevBegin,newSize);
newSize = prevSize-newSize;
snprintf(symname,128,"u_un_%08X",curAddress);
symbolMap.AddFunction(symname,curAddress,newSize);
symbolMap.SortSymbols();
manager.clear();
SendMessage(GetParent(wnd), WM_DEB_MAPLOADED, 0, 0);
}
}
else
{
char symname[128];
int newSize = selectRangeEnd - selectRangeStart;
snprintf(symname, 128, "u_un_%08X", selectRangeStart);
symbolMap.AddFunction(symname, selectRangeStart, newSize);
symbolMap.SortSymbols();
SendMessage(GetParent(wnd), WM_DEB_MAPLOADED, 0, 0);
}
redraw();
}
break;
case ID_DISASM_DISASSEMBLETOFILE:
disassembleToFile();
break;
}
return;
}
redraw();
}
void CtrlDisAsmView::onMouseMove(WPARAM wParam, LPARAM lParam, int button)
{
if ((button & 1) != 0)
{
int x = LOWORD(lParam);
int y = HIWORD(lParam);
setCurAddress(yToAddress(y), KeyDownAsync(VK_SHIFT));
// TODO: Perhaps don't do this every time, but on a timer?
redraw();
}
}
void CtrlDisAsmView::updateStatusBarText()
{
char text[512];
DisassemblyLineInfo line;
manager.getLine(curAddress,true,line);
text[0] = 0;
if (line.type == DISTYPE_OPCODE || line.type == DISTYPE_MACRO)
{
if (line.info.isDataAccess)
{
if (!Memory::IsValidAddress(line.info.dataAddress))
{
sprintf(text,"Invalid address %08X",line.info.dataAddress);
} else {
switch (line.info.dataSize)
{
case 1:
sprintf(text,"[%08X] = %02X",line.info.dataAddress,Memory::Read_U8(line.info.dataAddress));
break;
case 2:
sprintf(text,"[%08X] = %04X",line.info.dataAddress,Memory::Read_U16(line.info.dataAddress));
break;
case 4:
// TODO: Could also be a float...
{
u32 data = Memory::Read_U32(line.info.dataAddress);
const char* addressSymbol = symbolMap.GetLabelName(data);
if (addressSymbol)
{
sprintf(text,"[%08X] = %s (%08X)",line.info.dataAddress,addressSymbol,data);
} else {
sprintf(text,"[%08X] = %08X",line.info.dataAddress,data);
}
break;
}
case 16:
// TODO: vector
break;
}
}
}
if (line.info.isBranch)
{
const char* addressSymbol = symbolMap.GetLabelName(line.info.branchTarget);
if (addressSymbol == NULL)
{
sprintf(text,"%08X",line.info.branchTarget);
} else {
sprintf(text,"%08X = %s",line.info.branchTarget,addressSymbol);
}
}
} else if (line.type == DISTYPE_DATA)
{
u32 start = symbolMap.GetDataStart(curAddress);
if (start == -1)
start = curAddress;
u32 diff = curAddress-start;
const char* label = symbolMap.GetLabelName(start);
if (label != NULL)
{
if (diff != 0)
sprintf(text,"%08X (%s) + %08X",start,label,diff);
else
sprintf(text,"%08X (%s)",start,label);
} else {
if (diff != 0)
sprintf(text,"%08X + %08X",start,diff);
else
sprintf(text,"%08X",start);
}
}
SendMessage(GetParent(wnd),WM_DEB_SETSTATUSBARTEXT,0,(LPARAM)text);
}
u32 CtrlDisAsmView::yToAddress(int y)
{
int line = y/rowHeight;
return manager.getNthNextAddress(windowStart,line);
}
void CtrlDisAsmView::calculatePixelPositions()
{
pixelPositions.addressStart = 16;
pixelPositions.opcodeStart = pixelPositions.addressStart + 18*charWidth;
pixelPositions.argumentsStart = pixelPositions.opcodeStart + 9*charWidth;
pixelPositions.arrowsStart = pixelPositions.argumentsStart + 30*charWidth;
}
void CtrlDisAsmView::search(bool continueSearch)
{
u32 searchAddress;
if (continueSearch == false || searchQuery[0] == 0)
{
if (InputBox_GetString(MainWindow::GetHInstance(),MainWindow::GetHWND(),L"Search for:","",searchQuery) == false
|| searchQuery[0] == 0)
{
SetFocus(wnd);
return;
}
for (size_t i = 0; i < searchQuery.size(); i++)
{
searchQuery[i] = tolower(searchQuery[i]);
}
SetFocus(wnd);
searchAddress = manager.getNthNextAddress(curAddress,1);
} else {
searchAddress = manager.getNthNextAddress(matchAddress,1);
}
// limit address to sensible ranges
if (searchAddress < 0x04000000) searchAddress = 0x04000000;
if (searchAddress >= 0x04200000 && searchAddress < 0x08000000) searchAddress = 0x08000000;
if (searchAddress >= 0x0A000000) {
MessageBox(wnd,L"Not found",L"Search",MB_OK);
return;
}
searching = true;
redraw(); // so the cursor is disabled
DisassemblyLineInfo lineInfo;
while (searchAddress < 0x0A000000)
{
manager.getLine(searchAddress,displaySymbols,lineInfo);
char addressText[64];
getDisasmAddressText(searchAddress,addressText,true,lineInfo.type == DISTYPE_OPCODE);
const char* opcode = lineInfo.name.c_str();
const char* arguments = lineInfo.params.c_str();
char merged[512];
int mergePos = 0;
// I'm doing it manually to convert everything to lowercase at the same time
for (int i = 0; addressText[i] != 0; i++) merged[mergePos++] = tolower(addressText[i]);
merged[mergePos++] = ' ';
for (int i = 0; opcode[i] != 0; i++) merged[mergePos++] = tolower(opcode[i]);
merged[mergePos++] = ' ';
for (int i = 0; arguments[i] != 0; i++) merged[mergePos++] = tolower(arguments[i]);
merged[mergePos] = 0;
// match!
if (strstr(merged, searchQuery.c_str()) != NULL)
{
matchAddress = searchAddress;
searching = false;
gotoAddr(searchAddress);
return;
}
// cancel search
if ((searchAddress % 256) == 0 && KeyDownAsync(VK_ESCAPE))
{
searching = false;
return;
}
searchAddress = manager.getNthNextAddress(searchAddress,1);
if (searchAddress >= 0x04200000 && searchAddress < 0x08000000) searchAddress = 0x08000000;
}
MessageBox(wnd,L"Not found",L"Search",MB_OK);
searching = false;
}
std::string CtrlDisAsmView::disassembleRange(u32 start, u32 size)
{
std::string result;
// gather all branch targets without labels
std::set<u32> branchAddresses;
for (u32 i = 0; i < size; i += debugger->getInstructionSize(0))
{
MIPSAnalyst::MipsOpcodeInfo info = MIPSAnalyst::GetOpcodeInfo(debugger,start+i);
if (info.isBranch && symbolMap.GetLabelName(info.branchTarget) == NULL)
{
if (branchAddresses.find(info.branchTarget) == branchAddresses.end())
{
branchAddresses.insert(info.branchTarget);
}
}
}
u32 disAddress = start;
bool previousLabel = true;
DisassemblyLineInfo line;
while (disAddress < start+size)
{
char addressText[64],buffer[512];
manager.getLine(disAddress,displaySymbols,line);
bool isLabel = getDisasmAddressText(disAddress,addressText,false,line.type == DISTYPE_OPCODE);
if (isLabel)
{
if (!previousLabel) result += "\r\n";
sprintf(buffer,"%s\r\n\r\n",addressText);
result += buffer;
} else if (branchAddresses.find(disAddress) != branchAddresses.end())
{
if (!previousLabel) result += "\r\n";
sprintf(buffer,"pos_%08X:\r\n\r\n",disAddress);
result += buffer;
}
if (line.info.isBranch && !line.info.isBranchToRegister
&& symbolMap.GetLabelName(line.info.branchTarget) == NULL
&& branchAddresses.find(line.info.branchTarget) != branchAddresses.end())
{
sprintf(buffer,"pos_%08X",line.info.branchTarget);
line.params = line.params.substr(0,line.params.find("0x")) + buffer;
}
sprintf(buffer,"\t%s\t%s\r\n",line.name.c_str(),line.params.c_str());
result += buffer;
previousLabel = isLabel;
disAddress += line.totalSize;
}
return result;
}
void CtrlDisAsmView::disassembleToFile()
{
wchar_t fileName[MAX_PATH];
u32 size;
// get size
if (executeExpressionWindow(wnd,debugger,size) == false) return;
if (size == 0 || size > 10*1024*1024)
{
MessageBox(wnd,L"Invalid size!",L"Error",MB_OK);
return;
}
// get file name
OPENFILENAME ofn;
ZeroMemory( &ofn , sizeof( ofn));
ofn.lStructSize = sizeof ( ofn );
ofn.hwndOwner = NULL ;
ofn.lpstrFile = fileName ;
ofn.lpstrFile[0] = '\0';
ofn.nMaxFile = sizeof( fileName );
ofn.lpstrFilter = L"All files";
ofn.nFilterIndex = 1;
ofn.lpstrFileTitle = NULL ;
ofn.nMaxFileTitle = 0 ;
ofn.lpstrInitialDir = NULL ;
ofn.Flags = OFN_PATHMUSTEXIST|OFN_FILEMUSTEXIST|OFN_OVERWRITEPROMPT;
if (GetSaveFileName(&ofn) == false) return;
FILE* output = _wfopen(fileName, L"wb");
if (output == NULL) {
MessageBox(wnd,L"Could not open file!",L"Error",MB_OK);
return;
}
std::string disassembly = disassembleRange(curAddress,size);
fprintf(output,"%s",disassembly.c_str());
fclose(output);
MessageBox(wnd,L"Finished!",L"Done",MB_OK);
}
void CtrlDisAsmView::getOpcodeText(u32 address, char* dest)
{
DisassemblyLineInfo line;
address = manager.getStartAddress(address);
manager.getLine(address,displaySymbols,line);
sprintf(dest,"%s %s",line.name.c_str(),line.params.c_str());
}
void CtrlDisAsmView::scrollStepping(u32 newPc)
{
u32 windowEnd = manager.getNthNextAddress(windowStart,visibleRows);
newPc = manager.getStartAddress(newPc);
if (newPc >= windowEnd || newPc >= manager.getNthPreviousAddress(windowEnd,1))
{
windowStart = manager.getNthPreviousAddress(newPc,visibleRows-2);
}
}
u32 CtrlDisAsmView::getInstructionSizeAt(u32 address)
{
u32 start = manager.getStartAddress(address);
u32 next = manager.getNthNextAddress(start,1);
return next-address;
}
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