diff options
Diffstat (limited to 'gdb/remote.c')
| -rw-r--r-- | gdb/remote.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/gdb/remote.c b/gdb/remote.c index b69c8a8..4978fca 100644 --- a/gdb/remote.c +++ b/gdb/remote.c @@ -1280,6 +1280,7 @@ enum { PACKET_qXfer_fdpic, PACKET_QDisableRandomization, PACKET_QAgent, + PACKET_QTBuffer_size, PACKET_MAX }; @@ -3989,6 +3990,8 @@ static struct protocol_feature remote_protocol_features[] = { { "QDisableRandomization", PACKET_DISABLE, remote_supported_packet, PACKET_QDisableRandomization }, { "QAgent", PACKET_DISABLE, remote_supported_packet, PACKET_QAgent}, + { "QTBuffer:size", PACKET_DISABLE, + remote_supported_packet, PACKET_QTBuffer_size}, { "tracenz", PACKET_DISABLE, remote_string_tracing_feature, -1 }, }; @@ -11038,6 +11041,38 @@ remote_get_min_fast_tracepoint_insn_len (void) } } +static void +remote_set_trace_buffer_size (LONGEST val) +{ + if (remote_protocol_packets[PACKET_QTBuffer_size].support != + PACKET_DISABLE) + { + struct remote_state *rs = get_remote_state (); + char *buf = rs->buf; + char *endbuf = rs->buf + get_remote_packet_size (); + enum packet_result result; + + gdb_assert (val >= 0 || val == -1); + buf += xsnprintf (buf, endbuf - buf, "QTBuffer:size:"); + /* Send -1 as literal "-1" to avoid host size dependency. */ + if (val < 0) + { + *buf++ = '-'; + buf += hexnumstr (buf, (ULONGEST) -val); + } + else + buf += hexnumstr (buf, (ULONGEST) val); + + putpkt (rs->buf); + remote_get_noisy_reply (&rs->buf, &rs->buf_size); + result = packet_ok (rs->buf, + &remote_protocol_packets[PACKET_QTBuffer_size]); + + if (result != PACKET_OK) + warning (_("Bogus reply from target: %s"), rs->buf); + } +} + static int remote_set_trace_notes (char *user, char *notes, char *stop_notes) { @@ -11215,6 +11250,7 @@ Specify the serial device it is connected to\n\ remote_ops.to_get_min_fast_tracepoint_insn_len = remote_get_min_fast_tracepoint_insn_len; remote_ops.to_set_disconnected_tracing = remote_set_disconnected_tracing; remote_ops.to_set_circular_trace_buffer = remote_set_circular_trace_buffer; + remote_ops.to_set_trace_buffer_size = remote_set_trace_buffer_size; remote_ops.to_set_trace_notes = remote_set_trace_notes; remote_ops.to_core_of_thread = remote_core_of_thread; remote_ops.to_verify_memory = remote_verify_memory; @@ -11751,6 +11787,9 @@ Show the maximum size of the address (in bits) in a memory packet."), NULL, add_packet_config_cmd (&remote_protocol_packets[PACKET_QAgent], "QAgent", "agent", 0); + add_packet_config_cmd (&remote_protocol_packets[PACKET_QTBuffer_size], + "QTBuffer:size", "trace-buffer-size", 0); + /* Keep the old ``set remote Z-packet ...'' working. Each individual Z sub-packet has its own set and show commands, but users may have sets to this variable in their .gdbinit files (or in their |