diff options
Diffstat (limited to 'gdb/gdbserver/tracepoint.c')
| -rw-r--r-- | gdb/gdbserver/tracepoint.c | 48 |
1 files changed, 42 insertions, 6 deletions
diff --git a/gdb/gdbserver/tracepoint.c b/gdb/gdbserver/tracepoint.c index df378ff..c7970e3 100644 --- a/gdb/gdbserver/tracepoint.c +++ b/gdb/gdbserver/tracepoint.c @@ -558,7 +558,11 @@ static struct readonly_region *readonly_regions; /* The global that controls tracing overall. */ -static int tracing; +int tracing; + +/* Controls whether tracing should continue after GDB disconnects. */ + +int disconnected_tracing; /* The reason for the last tracing run to have stopped. We initialize to a distinct string so that GDB can distinguish between "stopped @@ -1699,7 +1703,7 @@ cmd_qtstart (char *packet) /* End a tracing run, filling in a stop reason to report back to GDB, and removing the tracepoints from the code. */ -static void +void stop_tracing (void) { if (!tracing) @@ -1736,6 +1740,11 @@ stop_tracing (void) tracing_stop_reason = eval_result_names[expr_eval_result]; tracing_stop_tpnum = error_tracepoint->number; } + else if (!gdb_connected ()) + { + trace_debug ("Stopping the trace because GDB disconnected"); + tracing_stop_reason = "tdisconnected"; + } else { trace_debug ("Stopping the trace because of a tstop command"); @@ -1757,6 +1766,21 @@ cmd_qtstop (char *packet) } static void +cmd_qtdisconnected (char *own_buf) +{ + ULONGEST setting; + char *packet = own_buf; + + packet += strlen ("QTDisconnected:"); + + unpack_varlen_hex (packet, &setting); + + write_ok (own_buf); + + disconnected_tracing = setting; +} + +static void cmd_qtframe (char *own_buf) { ULONGEST frame, pc, lo, hi, num; @@ -1853,13 +1877,19 @@ cmd_qtstatus (char *packet) convert_int_to_ascii ((gdb_byte *) result_name, p, strlen (result_name)); } - sprintf (packet, "T%d;%s:%x;tframes:%x;tcreated:%x;tfree:%x;tsize:%s;circular:%d", + sprintf (packet, + "T%d;" + "%s:%x;" + "tframes:%x;tcreated:%x;" + "tfree:%x;tsize:%s;" + "circular:%d;" + "disconn:%d", tracing ? 1 : 0, stop_reason_rsp, tracing_stop_tpnum, traceframe_count, traceframes_created, - free_space (), - phex_nz (trace_buffer_hi - trace_buffer_lo, 0), - circular_trace_buffer); + free_space (), phex_nz (trace_buffer_hi - trace_buffer_lo, 0), + circular_trace_buffer, + disconnected_tracing); } /* State variables to help return all the tracepoint bits. */ @@ -2168,6 +2198,12 @@ handle_tracepoint_general_set (char *packet) cmd_qtstop (packet); return 1; } + else if (strncmp ("QTDisconnected:", packet, + strlen ("QTDisconnected:")) == 0) + { + cmd_qtdisconnected (packet); + return 1; + } else if (strncmp ("QTFrame:", packet, strlen ("QTFrame:")) == 0) { cmd_qtframe (packet); |