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Debugger: New breakpoint types in CDB.

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Emulate exec() by breaking on CreateProcessW().
This commit is contained in:
Friedemann Kleint
2011-03-07 11:02:07 +01:00
parent c9c10aa41f
commit fcdbdcaee0
4 changed files with 62 additions and 41 deletions
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49
src/plugins/debugger/cdb/cdbparsehelpers.cpp
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@@ -94,18 +94,49 @@ static inline QString cdbBreakPointFileName(const BreakpointParameters &bp,
return cdbSourcePathMapping(QDir::toNativeSeparators(bp.fileName), sourcePathMapping, SourceToDebugger);
}
// Convert breakpoint in CDB syntax. (applying source path mappings using native paths).
static BreakpointParameters fixWinMSVCBreakpoint(const BreakpointParameters &p)
{
switch (p.type) {
case UnknownType:
case BreakpointByFileAndLine:
case BreakpointByFunction:
case BreakpointByAddress:
case BreakpointAtFork:
case BreakpointAtVFork:
case BreakpointAtSysCall:
case Watchpoint:
break;
case BreakpointAtExec: { // Emulate by breaking on CreateProcessW().
BreakpointParameters rc(BreakpointByFunction);
rc.module = QLatin1String("kernel32");
rc.functionName = QLatin1String("CreateProcessW");
return rc;
}
case BreakpointAtThrow: {
BreakpointParameters rc(BreakpointByFunction);
rc.functionName = QLatin1String("CxxThrowException"); // MSVC runtime. Potentially ambiguous.
return rc;
}
case BreakpointAtCatch: {
BreakpointParameters rc(BreakpointByFunction);
rc.functionName = QLatin1String("__CxxCallCatchBlock"); // MSVC runtime. Potentially ambiguous.
return rc;
}
case BreakpointAtMain: {
BreakpointParameters rc(BreakpointByFunction);
rc.functionName = QLatin1String("main");
return rc;
}
} // switch
return p;
}
QByteArray cdbAddBreakpointCommand(const BreakpointParameters &bpIn,
const QList<QPair<QString, QString> > &sourcePathMapping,
BreakpointId id /* = BreakpointId(-1) */,
bool oneshot)
{
#ifdef Q_OS_WIN
const BreakpointParameters bp = fixWinMSVCBreakpoint(bpIn);
#else
const BreakpointParameters bp = bpIn;
#endif
QByteArray rc;
ByteArrayInputStream str(rc);
@@ -121,6 +152,10 @@ QByteArray cdbAddBreakpointCommand(const BreakpointParameters &bpIn,
if (oneshot)
str << "/1 ";
switch (bp.type) {
case BreakpointAtFork:
case BreakpointAtExec:
case BreakpointAtVFork:
case BreakpointAtSysCall:
case UnknownType:
case BreakpointAtCatch:
case BreakpointAtThrow:
@@ -141,7 +176,7 @@ QByteArray cdbAddBreakpointCommand(const BreakpointParameters &bpIn,
str << bp.module << '!';
str << cdbBreakPointFileName(bp, sourcePathMapping) << ':' << bp.lineNumber << '`';
break;
case Watchpoint:
case Watchpoint: // Read/write 1 byte
str << "rw 1 " << hex << hexPrefixOn << bp.address << hexPrefixOff << dec;
break;
}