ultimatepp/uppsrc/ide/Debuggers/Gdb.cpp
klugier 20d112885c .ide Gdb now creates command basing on host behavior not local enviroment.
git-svn-id: svn://ultimatepp.org/upp/trunk@10973 f0d560ea-af0d-0410-9eb7-867de7ffcac7
2017-03-26 19:12:10 +00:00

466 lines
10 KiB
C++

#include "Debuggers.h"
void Gdb::DebugBar(Bar& bar)
{
using namespace PdbKeys;
bar.Add("Stop debugging", DbgImg::StopDebug(), THISBACK(Stop))
.Key(K_SHIFT_F5);
bar.Separator();
bool b = !IdeIsDebugLock();
bar.Add(b, AK_STEPINTO, DbgImg::StepInto(), THISBACK1(Step, disas.HasFocus() ? "stepi"
: "step"));
bar.Add(b, AK_STEPOVER, DbgImg::StepOver(), THISBACK1(Step, disas.HasFocus() ? "nexti"
: "next"));
bar.Add(b, AK_STEPOUT, DbgImg::StepOut(), THISBACK1(Step, "finish"));
bar.Add(b, AK_RUNTO, DbgImg::RunTo(), THISBACK(DoRunTo));
bar.Add(b, AK_RUN, DbgImg::Run(), THISBACK(Run));
// bar.Add(b, AK_SETIP, DbgImg::SetIp(), THISBACK(SetIp));
// bar.Add(!b, AK_STOP, DbgImg::Stop(), THISBACK(BreakRunning));
bar.MenuSeparator();
bar.Add(b, AK_AUTOS, THISBACK1(SetTab, 0));
bar.Add(b, AK_LOCALS, THISBACK1(SetTab, 1));
bar.Add(b, AK_THISS, THISBACK1(SetTab, 2));
bar.Add(b, AK_WATCHES, THISBACK1(SetTab, 3));
bar.Add(b, AK_CLEARWATCHES, THISBACK(ClearWatches));
bar.Add(b, AK_ADDWATCH, THISBACK(QuickWatch));
bar.Add(b, AK_CPU, THISBACK1(SetTab, 4));
bar.MenuSeparator();
bar.Add(b, "Copy backtrace", THISBACK(CopyStack));
bar.Add(b, "Copy dissassembly", THISBACK(CopyDisas));
}
void Gdb::CopyStack()
{
DropFrames();
String s;
for(int i = 0; i < frame.GetCount(); i++)
s << frame.GetValue(i) << "\n";
WriteClipboardText(s);
}
void Gdb::CopyDisas()
{
disas.WriteClipboard();
}
int CharFilterReSlash(int c)
{
return c == '\\' ? '/' : c;
}
String Bpoint(Host& host, const String& file, int line)
{
return String().Cat() << Filter(host.GetHostPath(NormalizePath(file)), CharFilterReSlash) << ":" << line + 1;
}
bool Gdb::TryBreak(const char *text)
{
return FindTag(FastCmd(text), "Breakpoint");
}
bool Gdb::SetBreakpoint(const String& filename, int line, const String& bp)
{
String bi = Bpoint(*host, filename, line);
if(bp.IsEmpty())
FastCmd("clear " + bi);
else if(bp[0]==0xe)
FastCmd("b " + bi);
else
FastCmd("b " + bi + " if " + bp);
return true;
}
void Gdb::SetDisas(const String& text)
{
disas.Clear();
StringStream ss(text);
while(!ss.IsEof()) {
String ln = ss.GetLine();
const char *s = ln;
while(*s && !IsDigit(*s))
s++;
adr_t adr = 0;
String code, args;
if(s[0] == '0' && ToLower(s[1]) == 'x')
adr = (adr_t)ScanInt64(s + 2, NULL, 16);
int q = ln.Find(">:");
if(q >= 0) {
s = ~ln + q + 2;
while(IsSpace(*s))
s++;
while(*s && !IsSpace(*s))
code.Cat(*s++);
while(IsSpace(*s))
s++;
args = s;
q = args.Find("0x");
if(q >= 0)
disas.AddT(ScanInt(~args + q + 2, NULL, 16));
disas.Add(adr, code, args);
}
}
}
void Gdb::SyncDisas(bool fr)
{
if(!disas.IsVisible())
return;
if(!disas.InRange(addr))
SetDisas(FastCmd("disas"));
disas.SetCursor(addr);
disas.SetIp(addr, fr ? DbgImg::FrameLinePtr() : DbgImg::IpLinePtr());
}
String FormatFrame(const char *s)
{
if(*s++ != '#')
return Null;
while(IsDigit(*s))
s++;
while(*s == ' ')
s++;
if(s[0] == '0' && ToUpper(s[1]) == 'X') {
s += 2;
while(IsXDigit(*s))
s++;
while(*s == ' ')
s++;
if(s[0] != 'i' && s[1] != 'n')
return Null;
s += 2;
while(*s == ' ')
s++;
}
if(!IsAlpha(*s))
return Null;
const char *w = strchr(s, '\r');
if(w)
return String(s, w);
w = strchr(s, '\n');
if(w)
return String(s, w);
return s;
}
bool ParsePos(const String& s, String& fn, int& line, adr_t & adr)
{
const char *q = FindTag(s, "\x1a\x1a");
if(!q) return false;
q += 2;
Vector<String> p = Split(q + 2, ':');
p.SetCount(5);
fn = String(q, q + 2) + p[0];
line = atoi(p[1]);
try {
CParser pa(p[4]);
pa.Char2('0', 'x');
if(pa.IsNumber(16))
adr = (adr_t)pa.ReadNumber64(16);
}
catch(CParser::Error) {}
return true;
}
void Gdb::CheckEnd(const char *s)
{
if(!dbg) {
Stop();
return;
}
if(FindTag(s, "Program exited normally.")) {
Stop();
return;
}
const char *q = FindTag(s, "Program exited with code ");
if(q) {
PutConsole(q);
Stop();
return;
}
}
String Gdb::Cmdp(const char *cmdline, bool fr)
{
expression_cache.Clear();
String s = Cmd(cmdline);
if(ParsePos(s, file, line, addr)) {
IdeSetDebugPos(GetLocalPath(file), line - 1, fr ? DbgImg::FrameLinePtr()
: DbgImg::IpLinePtr(), 0);
IdeSetDebugPos(GetLocalPath(file), line - 1,
disas.HasFocus() ? fr ? DbgImg::FrameLinePtr() : DbgImg::IpLinePtr()
: Image(), 1);
SyncDisas(fr);
autoline.Clear();
for(int i = -4; i <= 4; i++)
autoline << ' ' << IdeGetLine(line + i);
}
else {
file = Null;
try {
CParser pa(s);
pa.Char2('0', 'x');
if(pa.IsNumber(16))
addr = (adr_t)pa.ReadNumber64(16);
}
catch(CParser::Error) {}
SyncDisas(fr);
}
frame.Clear();
frame.Add(0, FormatFrame(FastCmd("frame")));
frame <<= 0;
threads.Clear();
s = FastCmd("info threads");
StringStream ss(s);
int active_thread = -1;
while(!ss.IsEof()) {
String s = ss.GetLine();
CParser p(s);
try {
bool active = p.Char('*');
if(p.IsNumber()) {
int id = p.ReadInt();
threads.Add(id, String().Cat() << "Thread " << id);
if(active)
active_thread = id;
}
threads.GoBegin();
}
catch(CParser::Error) {}
}
if(active_thread >= 0)
threads <<= active_thread;
if(threads.GetCount() == 0)
Stop();
Data();
return s;
}
bool Gdb::RunTo()
{
String bi;
bool df = disas.HasFocus();
if(df) {
if(!disas.GetCursor())
return false;
bi = Sprintf("*0x%X", disas.GetCursor());
}
else
bi = Bpoint(*host, IdeGetFileName(), IdeGetFileLine());
if(!TryBreak("b " + bi)) {
Exclamation("No code at chosen location !");
return false;
}
String e = Cmdp(firstrun ? "run" : "continue");
firstrun = false;
FastCmd("clear " + bi);
if(df)
disas.SetFocus();
CheckEnd(e);
IdeActivateBottom();
return true;
}
void Gdb::Run()
{
CheckEnd(Cmdp(firstrun ? "run" : "continue"));
firstrun = false;
IdeActivateBottom();
}
void Gdb::Step(const char *cmd)
{
bool b = disas.HasFocus();
String s = Cmdp(cmd);
if(b) disas.SetFocus();
CheckEnd(s);
IdeActivateBottom();
}
void Gdb::DisasCursor()
{
if(!disas.HasFocus())
return;
int line;
String file;
adr_t addr;
if(ParsePos(FastCmd(Sprintf("info line *0x%X", disas.GetCursor())), file, line, addr))
IdeSetDebugPos(file, line - 1, DbgImg::DisasPtr(), 1);
disas.SetFocus();
}
void Gdb::DisasFocus()
{
// if(!disas.HasFocus())
// IdeSetDebugPos(file, 0, Null, 1);
}
void Gdb::DropFrames()
{
int i = 0;
int q = ~frame;
frame.Clear();
for(;;) {
String s = FormatFrame(FastCmd(Sprintf("frame %d", i)));
if(IsNull(s)) break;
frame.Add(i++, s);
}
frame <<= q;
}
void Gdb::SwitchFrame()
{
int i = (int)~frame;
Cmdp(Sprintf("frame %d", i), i);
}
void Gdb::SwitchThread()
{
int i = (int)~threads;
Cmdp(Sprintf("thread %d", i), i);
}
bool Gdb::Key(dword key, int count)
{
if(key >= 32 && key < 65535 && tab.Get() == 2) {
watches.DoInsertAfter();
Ctrl* f = GetFocusCtrl();
if(f && watches.HasChildDeep(f))
f->Key(key, count);
return true;
}
return Ctrl::Key(key, count);
}
bool Gdb::Create(One<Host>&& _host, const String& exefile, const String& cmdline, bool console)
{
host = pick(_host);
if (!CreateDbg(host, exefile, console)) {
ErrorOK("Error while invoking gdb!");
return false;
}
IdeSetBottom(*this);
IdeSetRight(disas);
disas.WhenCursor = THISBACK(DisasCursor);
disas.WhenFocus = THISBACK(DisasFocus);
frame.WhenDrop = THISBACK(DropFrames);
frame <<= THISBACK(SwitchFrame);
threads <<= THISBACK(SwitchThread);
watches.WhenAcceptEdit = THISBACK(Data);
tab <<= THISBACK(Data);
Cmd("set prompt " GDB_PROMPT);
Cmd("set disassembly-flavor intel");
Cmd("set exec-done-display off");
Cmd("set annotate 1");
Cmd("set height 0");
Cmd("set width 0");
Cmd("set confirm off");
Cmd("set print asm-demangle");
Cmd("set print static-members off");
Cmd("set print vtbl off");
Cmd("set print repeat 0");
Cmd("set print null-stop");
if(!IsNull(cmdline))
Cmd("set args " + cmdline);
firstrun = true;
return true;
}
bool Gdb::CreateDbg(One<Host>& host, const String& exeFile, bool console)
{
const auto& hostTools = host->GetTools();
dbg = host->StartProcess(GdbCommand(console) + hostTools.NormalizeExecutablePath(exeFile));
return static_cast<bool>(dbg);
}
Gdb::~Gdb()
{
IdeRemoveBottom(*this);
IdeRemoveRight(disas);
KillDebugTTY();
}
void Gdb::Periodic()
{
if(TTYQuit())
Stop();
}
Gdb::Gdb()
{
locals.NoHeader();
locals.AddColumn("", 1);
locals.AddColumn("", 6);
locals.EvenRowColor();
locals.WhenSel = THISBACK1(SetTree, &locals);
watches.NoHeader();
watches.AddColumn("", 1).Edit(watchedit);
watches.AddColumn("", 6);
watches.Inserting().Removing();
watches.EvenRowColor();
watches.WhenSel = THISBACK1(SetTree, &watches);
autos.NoHeader();
autos.AddColumn("", 1);
autos.AddColumn("", 6);
autos.EvenRowColor();
autos.WhenSel = THISBACK1(SetTree, &autos);
self.NoHeader();
self.AddColumn("", 1);
self.AddColumn("", 6);
self.EvenRowColor();
self.WhenSel = THISBACK1(SetTree, &self);
cpu.Columns(3);
cpu.ItemHeight(Courier(Ctrl::HorzLayoutZoom(12)).GetCy());
pane.Add(tab.SizePos());
tab.Add(autos.SizePos(), "Autos");
tab.Add(locals.SizePos(), "Locals");
tab.Add(watches.SizePos(), "Watches");
tab.Add(self.SizePos(), "this");
tab.Add(cpu.SizePos(), "CPU");
pane.Add(threads.LeftPosZ(300, 100).TopPos(2));
pane.Add(frame.HSizePosZ(404, 0).TopPos(2));
split.Horz(pane, tree.SizePos());
split.SetPos(8000);
Add(split);
tree.WhenOpen = THISBACK(TreeExpand);
frame.Ctrl::Add(dlock.SizePos());
dlock = " Running..";
dlock.SetFrame(BlackFrame());
dlock.SetInk(Red);
dlock.NoTransparent();
dlock.Hide();
CtrlLayoutOKCancel(quickwatch, "Watch");
quickwatch.WhenClose = quickwatch.Breaker(IDCANCEL);
quickwatch.value.SetReadOnly();
quickwatch.value.SetFont(CourierZ(11));
quickwatch.Sizeable().Zoomable();
quickwatch.SetRect(0, 150, 300, 400);
Transparent();
periodic.Set(-50, THISBACK(Periodic));
}
One<Debugger> GdbCreate(One<Host>&& host, const String& exefile, const String& cmdline, bool console)
{
Gdb *dbg = new Gdb;
if(!dbg->Create(pick(host), exefile, cmdline, console)) {
delete dbg;
return NULL;
}
return dbg;
}