diff options
Diffstat (limited to 'gdb/remote.c')
| -rw-r--r-- | gdb/remote.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/gdb/remote.c b/gdb/remote.c index 9271875..a6d5e5f 100644 --- a/gdb/remote.c +++ b/gdb/remote.c @@ -323,6 +323,10 @@ struct remote_state /* True if the stub reports support for static tracepoints. */ int static_tracepoints; + /* True if the stub reports support for installing tracepoint while + tracing. */ + int install_in_trace; + /* True if the stub can continue running a trace while GDB is disconnected. */ int disconnected_tracing; @@ -1261,6 +1265,7 @@ enum { PACKET_ConditionalTracepoints, PACKET_FastTracepoints, PACKET_StaticTracepoints, + PACKET_InstallInTrace, PACKET_bc, PACKET_bs, PACKET_TracepointSource, @@ -3696,6 +3701,16 @@ remote_static_tracepoint_feature (const struct protocol_feature *feature, } static void +remote_install_in_trace_feature (const struct protocol_feature *feature, + enum packet_support support, + const char *value) +{ + struct remote_state *rs = get_remote_state (); + + rs->install_in_trace = (support == PACKET_ENABLE); +} + +static void remote_disconnected_tracing_feature (const struct protocol_feature *feature, enum packet_support support, const char *value) @@ -3761,6 +3776,8 @@ static struct protocol_feature remote_protocol_features[] = { PACKET_FastTracepoints }, { "StaticTracepoints", PACKET_DISABLE, remote_static_tracepoint_feature, PACKET_StaticTracepoints }, + {"InstallInTrace", PACKET_DISABLE, remote_install_in_trace_feature, + PACKET_InstallInTrace}, { "DisconnectedTracing", PACKET_DISABLE, remote_disconnected_tracing_feature, -1 }, { "ReverseContinue", PACKET_DISABLE, remote_supported_packet, @@ -9748,6 +9765,14 @@ remote_supports_static_tracepoints (void) } static int +remote_supports_install_in_trace (void) +{ + struct remote_state *rs = get_remote_state (); + + return rs->install_in_trace; +} + +static int remote_supports_enable_disable_tracepoint (void) { struct remote_state *rs = get_remote_state (); @@ -10008,6 +10033,24 @@ remote_download_tracepoint (struct bp_location *loc) do_cleanups (old_chain); } +static int +remote_can_download_tracepoint (void) +{ + struct trace_status *ts = current_trace_status (); + int status = remote_get_trace_status (ts); + + if (status == -1 || !ts->running_known || !ts->running) + return 0; + + /* If we are in a tracing experiment, but remote stub doesn't support + installing tracepoint in trace, we have to return. */ + if (!remote_supports_install_in_trace ()) + return 0; + + return 1; +} + + static void remote_download_trace_state_variable (struct trace_state_variable *tsv) { @@ -10480,6 +10523,7 @@ Specify the serial device it is connected to\n\ remote_ops.to_supports_string_tracing = remote_supports_string_tracing; remote_ops.to_trace_init = remote_trace_init; remote_ops.to_download_tracepoint = remote_download_tracepoint; + remote_ops.to_can_download_tracepoint = remote_can_download_tracepoint; remote_ops.to_download_trace_state_variable = remote_download_trace_state_variable; remote_ops.to_enable_tracepoint = remote_enable_tracepoint; @@ -10997,6 +11041,9 @@ Show the maximum size of the address (in bits) in a memory packet."), NULL, add_packet_config_cmd (&remote_protocol_packets[PACKET_StaticTracepoints], "StaticTracepoints", "static-tracepoints", 0); + add_packet_config_cmd (&remote_protocol_packets[PACKET_InstallInTrace], + "InstallInTrace", "install-in-trace", 0); + add_packet_config_cmd (&remote_protocol_packets[PACKET_qXfer_statictrace_read], "qXfer:statictrace:read", "read-sdata-object", 0); |