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Debugger: Fix exception caused by wow64exts.info.

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Task-number: QTCREATORBUG-9526

Change-Id: I79d09a7e975576ee68db3645142a567b4af4c646
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@digia.com>
This commit is contained in:
David Schulz
2013-06-17 15:09:27 +02:00
parent 812b321738
commit 327e7bdf6f
1 changed files with 11 additions and 9 deletions
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20
src/plugins/debugger/cdb/cdbengine.cpp
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@@ -2243,7 +2243,7 @@ void CdbEngine::processStop(const GdbMi &stopReason, bool conditionalBreakPointT
executeStepOut();
return;
case ParseStackWow64:
postBuiltinCommand("!wow64exts.info", 0, &CdbEngine::handleCheckWow64,
postBuiltinCommand("lm m wow64", 0, &CdbEngine::handleCheckWow64,
0, qVariantFromValue(stack));
break;
}
@@ -2275,15 +2275,17 @@ void CdbEngine::processStop(const GdbMi &stopReason, bool conditionalBreakPointT
void CdbEngine::handleCheckWow64(const CdbBuiltinCommandPtr &cmd)
{
// Using the stack command from the wow64exts cdb extension to
// check if there is a 32bit subsystem in this debuggee.
if (cmd->reply.first().startsWith("Could not get the address of the 32bit PEB")) {
m_wow64State = noWow64Stack;
if (cmd->cookie.canConvert<GdbMi>())
parseStackTrace(qvariant_cast<GdbMi>(cmd->cookie), false);
// Using the lm (list modules) command to check if there is a 32 bit subsystem in this debuggee.
// expected reply if there is a 32 bit stack:
// start end module name
// 00000000`77490000 00000000`774d5000 wow64 (deferred)
if (cmd->reply.value(1).contains("wow64")) {
postBuiltinCommand("k", 0, &CdbEngine::ensureUsing32BitStackInWow64, 0, cmd->cookie);
return;
}
postBuiltinCommand("k", 0, &CdbEngine::ensureUsing32BitStackInWow64, 0, cmd->cookie);
m_wow64State = noWow64Stack;
if (cmd->cookie.canConvert<GdbMi>())
parseStackTrace(qvariant_cast<GdbMi>(cmd->cookie), false);
}
void CdbEngine::ensureUsing32BitStackInWow64(const CdbEngine::CdbBuiltinCommandPtr &cmd)
@@ -2990,7 +2992,7 @@ void CdbEngine::handleStackTrace(const CdbExtensionCommandPtr &command)
GdbMi data;
data.fromString(command->reply);
if (parseStackTrace(data, false) == ParseStackWow64) {
postBuiltinCommand("!wow64exts.info", 0, &CdbEngine::handleCheckWow64,
postBuiltinCommand("lm m wow64", 0, &CdbEngine::handleCheckWow64,
0, qVariantFromValue(data));
}
postCommandSequence(command->commandSequence);