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monitor: report all stopped threads on '?' command

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Fixes #5120
This commit is contained in:
Christian Prochaska 2024-02-19 09:09:29 +01:00 committed by Christian Helmuth
parent 12df9bf450
commit aa6f99b0a4
1 changed files with 30 additions and 15 deletions
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45
repos/os/src/monitor/gdb_stub.h
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@ -558,38 +558,53 @@ struct ask : Command_without_separator
state.gdb_connected = true;
bool handled = false;
bool stop_reply_sent = false;
state.inferiors.for_each<Inferior_pd const &>([&] (Inferior_pd const &inferior) {
inferior.for_each_thread([&] (Monitored_thread &thread) {
if (handled)
return;
using Stop_state = Monitored_thread::Stop_state;
using Stop_reply_signal = Monitored_thread::Stop_reply_signal;
if (thread.stop_state == Stop_state::RUNNING)
return;
thread.stop_state = Stop_state::STOPPED_REPLY_SENT;
/* found a stopped thread */
long unsigned int pid = inferior.id();
long unsigned int tid = thread.id();
if (!stop_reply_sent) {
gdb_response(out, [&] (Output &out) {
print(out, "T", Gdb_hex((uint8_t)thread.stop_reply_signal),
"thread:p", Gdb_hex(pid), ".", Gdb_hex(tid), ";");
if (thread.stop_reply_signal == Stop_reply_signal::TRAP)
print(out, "swbreak:;");
});
/* send a stop reply for one stopped thread */
handled = true;
state.notification_in_progress = true;
long unsigned int pid = inferior.id();
long unsigned int tid = thread.id();
gdb_response(out, [&] (Output &out) {
print(out, "T", Gdb_hex((uint8_t)thread.stop_reply_signal),
"thread:p", Gdb_hex(pid), ".", Gdb_hex(tid), ";");
if (thread.stop_reply_signal == Stop_reply_signal::TRAP)
print(out, "swbreak:;");
});
thread.stop_state = Stop_state::STOPPED_REPLY_SENT;
stop_reply_sent = true;
} else {
/* report other stopped threads on 'vStopped' */
thread.stop_state = Stop_state::STOPPED_REPLY_PENDING;
}
});
});
if (!handled)
if (!stop_reply_sent) {
/* all threads are running */
state.notification_in_progress = false;
gdb_ok(out);
}
}
};