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ppsspp/Windows/Debugger/CtrlDisAsmView.cpp
Unknown W. Brackets 012d47bcbf Debugger: Show string in status bar for li, etc. 
This is helpful when stepping through the debugger.  Only shows likely
UTF-8 or similar formatted text, but often names or error messages are.
2021-04-21 23:50:59 -07:00

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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/W32Util/ShellUtil.h"
#include "Windows/MainWindow.h"
#include "Windows/InputBox.h"
#include "Core/MIPS/MIPSAsm.h"
#include "Core/MIPS/MIPSAnalyst.h"
#include "Core/Config.h"
#include "Common/StringUtils.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 "Windows/main.h"
#include "Common/CommonWindows.h"
#include "Common/Data/Encoding/Utf8.h"
#include "ext/xxhash.h"
#include "Common/System/Display.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_PTR)this);
SetWindowLong(wnd, GWL_STYLE, GetWindowLong(wnd,GWL_STYLE) | WS_VSCROLL);
SetScrollRange(wnd, SB_VERT, -1, 1, TRUE);
const float fontScale = 1.0f / g_dpi_scale_real_y;
charWidth = g_Config.iFontWidth * fontScale;
rowHeight = (g_Config.iFontHeight + 2) * fontScale;
int scaledFontHeight = g_Config.iFontHeight * fontScale;
font = CreateFont(scaledFontHeight, 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(scaledFontHeight, 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);
manager.clear();
}
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 (!PSP_IsInited())
return false;
if (displaySymbols)
{
const std::string addressSymbol = g_symbolMap->GetLabelString(address);
if (!addressSymbol.empty())
{
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) {
u32 encoding = Memory::IsValidAddress(address) ? Memory::Read_Instruction(address, true).encoding : 0;
sprintf(dest, "%08X %08X", address, encoding);
} 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)
{
auto memLock = Memory::Lock();
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);
if (result == true)
{
scanFunctions();
if (address == curAddress)
gotoAddr(manager.getNthNextAddress(curAddress,1));
redraw();
} else {
std::wstring error = 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);
}
std::set<std::string> CtrlDisAsmView::getSelectedLineArguments() {
std::set<std::string> args;
DisassemblyLineInfo line;
for (u32 addr = selectRangeStart; addr < selectRangeEnd; addr += 4) {
manager.getLine(addr, displaySymbols, line);
size_t p = 0, nextp = line.params.find(',');
while (nextp != line.params.npos) {
args.insert(line.params.substr(p, nextp - p));
p = nextp + 1;
nextp = line.params.find(',', p);
}
if (p < line.params.size()) {
args.insert(line.params.substr(p));
}
}
return args;
}
void CtrlDisAsmView::drawArguments(HDC hdc, const DisassemblyLineInfo &line, int x, int y, int textColor, const std::set<std::string> &currentArguments) {
if (line.params.empty()) {
return;
}
// Don't highlight the selected lines.
if (isInInterval(selectRangeStart, selectRangeEnd - selectRangeStart, line.info.opcodeAddress)) {
TextOutA(hdc, x, y, line.params.c_str(), (int)line.params.size());
return;
}
int highlightedColor = 0xaabb00;
if (textColor == 0x0000ff) {
highlightedColor = 0xaabb77;
}
UINT prevAlign = SetTextAlign(hdc, TA_UPDATECP);
MoveToEx(hdc, x, y, NULL);
size_t p = 0, nextp = line.params.find(',');
while (nextp != line.params.npos) {
const std::string arg = line.params.substr(p, nextp - p);
if (currentArguments.find(arg) != currentArguments.end() && textColor != 0xffffff) {
SetTextColor(hdc, highlightedColor);
}
TextOutA(hdc, 0, 0, arg.c_str(), (int)arg.size());
SetTextColor(hdc,textColor);
p = nextp + 1;
nextp = line.params.find(',', p);
TextOutA(hdc, 0, 0, ",", 1);
}
if (p < line.params.size()) {
const std::string arg = line.params.substr(p);
if (currentArguments.find(arg) != currentArguments.end() && textColor != 0xffffff) {
SetTextColor(hdc, highlightedColor);
}
TextOutA(hdc, 0, 0, arg.c_str(), (int)arg.size());
SetTextColor(hdc,textColor);
}
SetTextAlign(hdc, prevAlign);
}
void CtrlDisAsmView::onPaint(WPARAM wParam, LPARAM lParam)
{
auto memLock = Memory::Lock();
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;
const std::set<std::string> currentArguments = getSelectedLineArguments();
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"\x25A0",1);
}
// display whether the condition of a branch is met
if (line.info.isConditional && address == debugger->getPC())
{
line.params += line.info.conditionMet ? " ; true" : " ; false";
}
drawArguments(hdc, line, pixelPositions.argumentsStart, rowY1 + 2, textColor, currentArguments);
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.relevantAddress,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) != nullptr) {
// 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 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 && p < end; pos += instructionSize)
{
p += snprintf(p, end - p, "%08X", debugger->readMemory(pos));
// Don't leave a trailing newline.
if (pos + instructionSize < endAddr && p < end)
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 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 = g_symbolMap->GetFunctionStart(curAddress);
if (funcBegin != -1)
{
char name[256];
std::string newname;
truncate_cpy(name, g_symbolMap->GetLabelString(funcBegin).c_str());
if (InputBox_GetString(MainWindow::GetHInstance(), MainWindow::GetHWND(), L"New function name", name, newname)) {
g_symbolMap->SetLabelName(newname.c_str(), funcBegin);
u32 funcSize = g_symbolMap->GetFunctionSize(funcBegin);
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 = g_symbolMap->GetFunctionStart(curAddress);
if (funcBegin != -1)
{
u32 prevBegin = g_symbolMap->GetFunctionStart(funcBegin-1);
if (prevBegin != -1)
{
u32 expandedSize = g_symbolMap->GetFunctionSize(prevBegin) + g_symbolMap->GetFunctionSize(funcBegin);
g_symbolMap->SetFunctionSize(prevBegin,expandedSize);
}
g_symbolMap->RemoveFunction(funcBegin,true);
g_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 = g_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 = g_symbolMap->GetFunctionSize(prevBegin);
u32 newSize = curAddress-prevBegin;
g_symbolMap->SetFunctionSize(prevBegin,newSize);
newSize = prevSize-newSize;
snprintf(symname,128,"u_un_%08X",curAddress);
g_symbolMap->AddFunction(symname,curAddress,newSize);
g_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);
g_symbolMap->AddFunction(symname, selectRangeStart, newSize);
g_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 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()
{
auto memLock = Memory::Lock();
if (!PSP_IsInited())
return;
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.hasRelevantAddress && IsLikelyStringAt(line.info.relevantAddress)) {
snprintf(text, sizeof(text), "[%08X] = \"%s\"", line.info.relevantAddress, Memory::GetCharPointer(line.info.relevantAddress));
}
if (line.info.isDataAccess)
{
if (!Memory::IsValidAddress(line.info.dataAddress))
{
snprintf(text, sizeof(text), "Invalid address %08X",line.info.dataAddress);
} else {
switch (line.info.dataSize)
{
case 1:
snprintf(text, sizeof(text), "[%08X] = %02X",line.info.dataAddress,Memory::Read_U8(line.info.dataAddress));
break;
case 2:
snprintf(text, sizeof(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 std::string addressSymbol = g_symbolMap->GetLabelString(data);
if (!addressSymbol.empty())
{
snprintf(text, sizeof(text), "[%08X] = %s (%08X)",line.info.dataAddress,addressSymbol.c_str(),data);
} else {
snprintf(text, sizeof(text), "[%08X] = %08X",line.info.dataAddress,data);
}
break;
}
case 16:
// TODO: vector
break;
}
}
}
if (line.info.isBranch)
{
const std::string addressSymbol = g_symbolMap->GetLabelString(line.info.branchTarget);
if (addressSymbol.empty())
{
snprintf(text, sizeof(text), "%08X", line.info.branchTarget);
} else {
snprintf(text, sizeof(text), "%08X = %s",line.info.branchTarget,addressSymbol.c_str());
}
}
} else if (line.type == DISTYPE_DATA) {
u32 start = g_symbolMap->GetDataStart(curAddress);
if (start == -1)
start = curAddress;
u32 diff = curAddress-start;
const std::string label = g_symbolMap->GetLabelString(start);
if (!label.empty()) {
if (diff != 0)
snprintf(text, sizeof(text), "%08X (%s) + %08X",start,label.c_str(),diff);
else
snprintf(text, sizeof(text), "%08X (%s)",start,label.c_str());
} else {
if (diff != 0)
snprintf(text, sizeof(text), "%08X + %08X",start,diff);
else
snprintf(text, sizeof(text), "%08X",start);
}
}
SendMessage(GetParent(wnd),WM_DEB_SETSTATUSBARTEXT,0,(LPARAM)text);
const std::string label = g_symbolMap->GetLabelString(line.info.opcodeAddress);
if (!label.empty()) {
SendMessage(GetParent(wnd),WM_DEB_SETSTATUSBARTEXT,1,(LPARAM)label.c_str());
}
}
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)
{
auto memLock = Memory::Lock();
u32 searchAddress;
if (continueSearch == false || searchQuery[0] == 0)
{
if (InputBox_GetString(MainWindow::GetHInstance(), MainWindow::GetHWND(), L"Search for:", searchQuery, 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)
{
auto memLock = Memory::Lock();
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 && g_symbolMap->GetLabelString(info.branchTarget).empty())
{
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
&& g_symbolMap->GetLabelString(line.info.branchTarget).empty()
&& 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() {
// get size
u32 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;
}
std::string filename;
if (W32Util::BrowseForFileName(false, nullptr, L"Save Disassembly As...", nullptr, L"All Files\0*.*\0\0", nullptr, filename)) {
std::wstring fileName = ConvertUTF8ToWString(filename);
FILE *output = _wfopen(fileName.c_str(), L"wb");
if (output == nullptr) {
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, int bufsize)
{
DisassemblyLineInfo line;
address = manager.getStartAddress(address);
manager.getLine(address,displaySymbols,line);
snprintf(dest, bufsize, "%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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