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* remote.c (PACKET_QPassSignals): New.
	(last_pass_packet, remote_pass_signals): New.
	(remote_protocol_features): Add QPassSignals.
	(remote_query_supported): Correct an infinite loop.
	(remote_open_1): Reset last_pass_packet.
	(remote_resume): Call remote_pass_signals.
	(_initialize_remote): Register "set remote pass-signals".
gdb/doc/
	* gdb.texinfo (Remote configuration): Mention
	"pass-signals-packet".
	(General Query Packets): Document QPassSignals.  Fix
	a typo.
gdb/gdbserver/
	* linux-low.c (linux_wait_for_event): Reformat.  Use the
	pass_signals array.
	* remote-utils.c (decode_address_to_semicolon): New.
	* server.c (pass_signals, handle_general_set): New.
	(handle_query): Mention QPassSignals for qSupported.
	(main): Call handle_general_set.
	* server.h (pass_signals, decode_address_to_semicolon): New.
This commit is contained in:
Daniel Jacobowitz
2006-11-16 15:08:25 +00:00
parent 869ddf2a18
commit 89be209149
9 changed files with 264 additions and 61 deletions
Download Patch File Download Diff File Expand all files Collapse all files

113
gdb/gdbserver/linux-low.c
View File

@ -498,69 +498,76 @@ linux_wait_for_event (struct thread_info *child)
current_inferior = (struct thread_info *)
find_inferior_id (&all_threads, event_child->tid);
if (using_threads)
/* Check for thread exit. */
if (using_threads && ! WIFSTOPPED (wstat))
{
/* Check for thread exit. */
if (! WIFSTOPPED (wstat))
{
if (debug_threads)
fprintf (stderr, "Thread %ld (LWP %ld) exiting\n",
event_child->tid, event_child->head.id);
if (debug_threads)
fprintf (stderr, "Thread %ld (LWP %ld) exiting\n",
event_child->tid, event_child->head.id);
/* If the last thread is exiting, just return. */
if (all_threads.head == all_threads.tail)
return wstat;
/* If the last thread is exiting, just return. */
if (all_threads.head == all_threads.tail)
return wstat;
dead_thread_notify (event_child->tid);
dead_thread_notify (event_child->tid);
remove_inferior (&all_processes, &event_child->head);
free (event_child);
remove_thread (current_inferior);
current_inferior = (struct thread_info *) all_threads.head;
remove_inferior (&all_processes, &event_child->head);
free (event_child);
remove_thread (current_inferior);
current_inferior = (struct thread_info *) all_threads.head;
/* If we were waiting for this particular child to do something...
well, it did something. */
if (child != NULL)
return wstat;
/* If we were waiting for this particular child to do something...
well, it did something. */
if (child != NULL)
return wstat;
/* Wait for a more interesting event. */
continue;
}
/* Wait for a more interesting event. */
continue;
}
if (WIFSTOPPED (wstat)
&& WSTOPSIG (wstat) == SIGSTOP
&& event_child->stop_expected)
{
if (debug_threads)
fprintf (stderr, "Expected stop.\n");
event_child->stop_expected = 0;
linux_resume_one_process (&event_child->head,
event_child->stepping, 0, NULL);
continue;
}
if (using_threads
&& WIFSTOPPED (wstat)
&& WSTOPSIG (wstat) == SIGSTOP
&& event_child->stop_expected)
{
if (debug_threads)
fprintf (stderr, "Expected stop.\n");
event_child->stop_expected = 0;
linux_resume_one_process (&event_child->head,
event_child->stepping, 0, NULL);
continue;
}
/* FIXME drow/2002-06-09: Get signal numbers from the inferior's
thread library? */
if (WIFSTOPPED (wstat)
&& (WSTOPSIG (wstat) == __SIGRTMIN
|| WSTOPSIG (wstat) == __SIGRTMIN + 1))
{
siginfo_t info, *info_p;
/* If GDB is not interested in this signal, don't stop other
threads, and don't report it to GDB. Just resume the
inferior right away. We do this for threading-related
signals as well as any that GDB specifically requested
we ignore. But never ignore SIGSTOP if we sent it
ourselves. */
/* FIXME drow/2002-06-09: Get signal numbers from the inferior's
thread library? */
if (WIFSTOPPED (wstat)
&& ((using_threads && (WSTOPSIG (wstat) == __SIGRTMIN
|| WSTOPSIG (wstat) == __SIGRTMIN + 1))
|| (pass_signals[target_signal_from_host (WSTOPSIG (wstat))]
&& (WSTOPSIG (wstat) != SIGSTOP
|| !event_child->sigstop_sent))))
{
siginfo_t info, *info_p;
if (debug_threads)
fprintf (stderr, "Ignored signal %d for %ld (LWP %ld).\n",
WSTOPSIG (wstat), event_child->tid,
event_child->head.id);
if (debug_threads)
fprintf (stderr, "Ignored signal %d for %ld (LWP %ld).\n",
WSTOPSIG (wstat), event_child->tid,
event_child->head.id);
if (ptrace (PTRACE_GETSIGINFO, event_child->lwpid, 0, &info) == 0)
info_p = &info;
else
info_p = NULL;
linux_resume_one_process (&event_child->head,
event_child->stepping,
WSTOPSIG (wstat), info_p);
continue;
}
if (ptrace (PTRACE_GETSIGINFO, event_child->lwpid, 0, &info) == 0)
info_p = &info;
else
info_p = NULL;
linux_resume_one_process (&event_child->head,
event_child->stepping,
WSTOPSIG (wstat), info_p);
continue;
}
/* If this event was not handled above, and is not a SIGTRAP, report