diff options
Diffstat (limited to 'gdb/remote.c')
| -rw-r--r-- | gdb/remote.c | 71 |
1 files changed, 66 insertions, 5 deletions
diff --git a/gdb/remote.c b/gdb/remote.c index 7256c23..4daaf08 100644 --- a/gdb/remote.c +++ b/gdb/remote.c @@ -139,6 +139,8 @@ static int remote_is_async_p (struct target_ops *); static void remote_async (struct target_ops *ops, int enable); +static void remote_thread_events (struct target_ops *ops, int enable); + static void sync_remote_interrupt_twice (int signo); static void interrupt_query (void); @@ -1436,6 +1438,9 @@ enum { /* Support for the QNonStop packet. */ PACKET_QNonStop, + /* Support for the QThreadEvents packet. */ + PACKET_QThreadEvents, + /* Support for multi-process extensions. */ PACKET_multiprocess_feature, @@ -4520,7 +4525,8 @@ static const struct protocol_feature remote_protocol_features[] = { PACKET_exec_event_feature }, { "Qbtrace-conf:pt:size", PACKET_DISABLE, remote_supported_packet, PACKET_Qbtrace_conf_pt_size }, - { "vContSupported", PACKET_DISABLE, remote_supported_packet, PACKET_vContSupported } + { "vContSupported", PACKET_DISABLE, remote_supported_packet, PACKET_vContSupported }, + { "QThreadEvents", PACKET_DISABLE, remote_supported_packet, PACKET_QThreadEvents }, }; static char *remote_support_xml; @@ -4613,6 +4619,9 @@ remote_query_supported (void) if (packet_set_cmd_state (PACKET_vContSupported) != AUTO_BOOLEAN_FALSE) q = remote_query_supported_append (q, "vContSupported+"); + if (packet_set_cmd_state (PACKET_QThreadEvents) != AUTO_BOOLEAN_FALSE) + q = remote_query_supported_append (q, "QThreadEvents+"); + /* Keep this one last to work around a gdbserver <= 7.10 bug in the qSupported:xmlRegisters=i386 handling. */ if (remote_support_xml != NULL) @@ -6045,10 +6054,9 @@ remove_child_of_pending_fork (QUEUE (stop_reply_p) *q, = (struct threads_listing_context *) param->input; if (event->ws.kind == TARGET_WAITKIND_FORKED - || event->ws.kind == TARGET_WAITKIND_VFORKED) - { - threads_listing_context_remove (&event->ws, context); - } + || event->ws.kind == TARGET_WAITKIND_VFORKED + || event->ws.kind == TARGET_WAITKIND_THREAD_EXITED) + threads_listing_context_remove (&event->ws, context); return 1; } @@ -6446,6 +6454,11 @@ Packet: '%s'\n"), one used by the original program. */ skipregs = 1; } + else if (strprefix (p, p1, "create")) + { + event->ws.kind = TARGET_WAITKIND_THREAD_CREATED; + p = skip_to_semicolon (p1 + 1); + } else { ULONGEST pnum; @@ -6516,6 +6529,19 @@ Packet: '%s'\n"), event->ws.value.sig = GDB_SIGNAL_UNKNOWN; } break; + case 'w': /* Thread exited. */ + { + char *p; + ULONGEST value; + + event->ws.kind = TARGET_WAITKIND_THREAD_EXITED; + p = unpack_varlen_hex (&buf[1], &value); + event->ws.value.integer = value; + if (*p != ';') + error (_("stop reply packet badly formatted: %s"), buf); + event->ptid = read_ptid (++p, &p); + break; + } case 'W': /* Target exited. */ case 'X': { @@ -12965,6 +12991,7 @@ Specify the serial device it is connected to\n\ remote_ops.to_can_async_p = remote_can_async_p; remote_ops.to_is_async_p = remote_is_async_p; remote_ops.to_async = remote_async; + remote_ops.to_thread_events = remote_thread_events; remote_ops.to_can_do_single_step = remote_can_do_single_step; remote_ops.to_terminal_inferior = remote_terminal_inferior; remote_ops.to_terminal_ours = remote_terminal_ours; @@ -13150,6 +13177,37 @@ remote_async (struct target_ops *ops, int enable) } } +/* Implementation of the to_thread_events method. */ + +static void +remote_thread_events (struct target_ops *ops, int enable) +{ + struct remote_state *rs = get_remote_state (); + size_t size = get_remote_packet_size (); + char *p = rs->buf; + + if (packet_support (PACKET_QThreadEvents) == PACKET_DISABLE) + return; + + xsnprintf (rs->buf, size, "QThreadEvents:%x", enable ? 1 : 0); + putpkt (rs->buf); + getpkt (&rs->buf, &rs->buf_size, 0); + + switch (packet_ok (rs->buf, + &remote_protocol_packets[PACKET_QThreadEvents])) + { + case PACKET_OK: + if (strcmp (rs->buf, "OK") != 0) + error (_("Remote refused setting thread events: %s"), rs->buf); + break; + case PACKET_ERROR: + warning (_("Remote failure reply: %s"), rs->buf); + break; + case PACKET_UNKNOWN: + break; + } +} + static void set_remote_cmd (char *args, int from_tty) { @@ -13694,6 +13752,9 @@ Show the maximum size of the address (in bits) in a memory packet."), NULL, add_packet_config_cmd (&remote_protocol_packets[PACKET_vCtrlC], "vCtrlC", "ctrl-c", 0); + add_packet_config_cmd (&remote_protocol_packets[PACKET_QThreadEvents], + "QThreadEvents", "thread-events", 0); + /* Assert that we've registered "set remote foo-packet" commands for all packet configs. */ { |