diff options
Diffstat (limited to 'gdb/remote.c')
| -rw-r--r-- | gdb/remote.c | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/gdb/remote.c b/gdb/remote.c index 76c137a..ff64b04 100644 --- a/gdb/remote.c +++ b/gdb/remote.c @@ -329,6 +329,10 @@ struct remote_state disconnected. */ int disconnected_tracing; + /* True if the stub reports support for enabling and disabling + tracepoints while a trace experiment is running. */ + int enable_disable_tracepoints; + /* Nonzero if the user has pressed Ctrl-C, but the target hasn't responded to that. */ int ctrlc_pending_p; @@ -3689,6 +3693,16 @@ remote_disconnected_tracing_feature (const struct protocol_feature *feature, rs->disconnected_tracing = (support == PACKET_ENABLE); } +static void +remote_enable_disable_tracepoint_feature (const struct protocol_feature *feature, + enum packet_support support, + const char *value) +{ + struct remote_state *rs = get_remote_state (); + + rs->enable_disable_tracepoints = (support == PACKET_ENABLE); +} + static struct protocol_feature remote_protocol_features[] = { { "PacketSize", PACKET_DISABLE, remote_packet_size, -1 }, { "qXfer:auxv:read", PACKET_DISABLE, remote_supported_packet, @@ -3735,6 +3749,8 @@ static struct protocol_feature remote_protocol_features[] = { PACKET_TracepointSource }, { "QAllow", PACKET_DISABLE, remote_supported_packet, PACKET_QAllow }, + { "EnableDisableTracepoints", PACKET_DISABLE, + remote_enable_disable_tracepoint_feature, -1 }, }; static char *remote_support_xml; @@ -9648,6 +9664,14 @@ remote_supports_static_tracepoints (void) return rs->static_tracepoints; } +static int +remote_supports_enable_disable_tracepoint (void) +{ + struct remote_state *rs = get_remote_state (); + + return rs->enable_disable_tracepoints; +} + static void remote_trace_init (void) { @@ -9919,6 +9943,38 @@ remote_download_trace_state_variable (struct trace_state_variable *tsv) } static void +remote_enable_tracepoint (struct bp_location *location) +{ + struct remote_state *rs = get_remote_state (); + char addr_buf[40]; + + sprintf_vma (addr_buf, location->address); + sprintf (rs->buf, "QTEnable:%x:%s", location->owner->number, addr_buf); + putpkt (rs->buf); + remote_get_noisy_reply (&rs->buf, &rs->buf_size); + if (*rs->buf == '\0') + error (_("Target does not support enabling tracepoints while a trace run is ongoing.")); + if (strcmp (rs->buf, "OK") != 0) + error (_("Error on target while enabling tracepoint.")); +} + +static void +remote_disable_tracepoint (struct bp_location *location) +{ + struct remote_state *rs = get_remote_state (); + char addr_buf[40]; + + sprintf_vma (addr_buf, location->address); + sprintf (rs->buf, "QTDisable:%x:%s", location->owner->number, addr_buf); + putpkt (rs->buf); + remote_get_noisy_reply (&rs->buf, &rs->buf_size); + if (*rs->buf == '\0') + error (_("Target does not support disabling tracepoints while a trace run is ongoing.")); + if (strcmp (rs->buf, "OK") != 0) + error (_("Error on target while disabling tracepoint.")); +} + +static void remote_trace_set_readonly_regions (void) { asection *s; @@ -10308,10 +10364,13 @@ Specify the serial device it is connected to\n\ remote_ops.to_terminal_ours = remote_terminal_ours; remote_ops.to_supports_non_stop = remote_supports_non_stop; remote_ops.to_supports_multi_process = remote_supports_multi_process; + remote_ops.to_supports_enable_disable_tracepoint = remote_supports_enable_disable_tracepoint; remote_ops.to_trace_init = remote_trace_init; remote_ops.to_download_tracepoint = remote_download_tracepoint; remote_ops.to_download_trace_state_variable = remote_download_trace_state_variable; + remote_ops.to_enable_tracepoint = remote_enable_tracepoint; + remote_ops.to_disable_tracepoint = remote_disable_tracepoint; remote_ops.to_trace_set_readonly_regions = remote_trace_set_readonly_regions; remote_ops.to_trace_start = remote_trace_start; remote_ops.to_get_trace_status = remote_get_trace_status; |