FreeChainXenon/binutils-gdb
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2012-03-08 Stan Shebs <stan@codesourcery.com>

Browse source 
Hafiz Abid Qadeer  <abidh@codesourcery.com>

	gdb/
	* NEWS: Mention set and show trace-buffer-size commands.
	Mention new packet.
	* target.h (struct target_ops): New method
	to_set_trace_buffer_size.
	(target_set_trace_buffer_size): New macro.
	* target.c (update_current_target): Set up new method.
	* tracepoint.c (trace_buffer_size): New global.
	(start_tracing): Send it to the target.
	(set_trace_buffer_size): New function.
	(_initialize_tracepoint): Add new setshow for trace-buffer-size.
	* remote.c (remote_set_trace_buffer_size): New function.
	(_initialize_remote): Use it.
	(QTBuffer:size) New remote command.
	(PACKET_QTBuffer_size): New enum.
	(remote_protocol_features): Add an entry for
	PACKET_QTBuffer_size.

	gdb/gdbserver/
	* tracepoint.c (trace_buffer_size): New global.
	(DEFAULT_TRACE_BUFFER_SIZE): New define.
	(init_trace_buffer): Change to one-argument function. Allocate
	trace buffer memory.
	(handle_tracepoint_general_set): Call cmd_bigqtbuffer_size to
	handle QTBuffer:size packet.
	(cmd_bigqtbuffer_size): New function.
	(initialize_tracepoint): Call init_trace_buffer with
	DEFAULT_TRACE_BUFFER_SIZE.
	* server.c (handle_query): Add QTBuffer:size in the
	supported packets.

	gdb/doc/
	* gdb.texinfo (Starting and Stopping Trace Experiments): Document
	trace-buffer-size set and show commands.
	(Tracepoint Packets): Document QTBuffer:size.
	(General Query Packets): Document QTBuffer:size.

	gdb/testsuite/
	* gdb.trace/trace-buffer-size.exp: New file.
	* gdb.trace/trace-buffer-size.c: New file.
This commit is contained in:
Hafiz Abid Qadeer 2013-03-08 15:06:39 +00:00
parent 7da3ab7920
commit f6f899bfc5
14 changed files with 360 additions and 6 deletions
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23
gdb/tracepoint.c
View file

@ -170,6 +170,11 @@ static int disconnected_tracing;
static int circular_trace_buffer;
/* This variable is the requested trace buffer size, or -1 to indicate
that we don't care and leave it up to the target to set a size. */
static int trace_buffer_size = -1;
/* Textual notes applying to the current and/or future trace runs. */
char *trace_user = NULL;
@ -1819,6 +1824,7 @@ start_tracing (char *notes)
/* Set some mode flags. */
target_set_disconnected_tracing (disconnected_tracing);
target_set_circular_trace_buffer (circular_trace_buffer);
target_set_trace_buffer_size (trace_buffer_size);
if (!notes)
notes = trace_notes;
@ -3216,6 +3222,13 @@ set_circular_trace_buffer (char *args, int from_tty,
target_set_circular_trace_buffer (circular_trace_buffer);
}
static void
set_trace_buffer_size (char *args, int from_tty,
struct cmd_list_element *c)
{
target_set_trace_buffer_size (trace_buffer_size);
}
static void
set_trace_user (char *args, int from_tty,
struct cmd_list_element *c)
@ -5409,6 +5422,16 @@ up and stopping the trace run."),
&setlist,
&showlist);
add_setshow_zuinteger_unlimited_cmd ("trace-buffer-size", no_class,
&trace_buffer_size, _("\
Set requested size of trace buffer."), _("\
Show requested size of trace buffer."), _("\
Use this to choose a size for the trace buffer. Some targets\n\
may have fixed or limited buffer sizes. A value of -1 disables\n\
any attempt to set the buffer size and lets the target choose."),
set_trace_buffer_size, NULL,
&setlist, &showlist);
add_setshow_string_cmd ("trace-user", class_trace,
&trace_user, _("\
Set the user name to use for current and future trace runs"), _("\