+2013-02-06 Yao Qi <yao@codesourcery.com>
+
+ * mi/mi-interp.c: Include "tracepoint.h".
+ (mi_tsv_modified): Declare.
+ (mi_tsv_created, mi_tsv_deleted): Update declaration.
+ (mi_interpreter_init): Call observer_attach_tsv_modified.
+ (mi_tsv_modified): New.
+ (mi_tsv_created, mi_tsv_deleted): Update.
+ * tracepoint.c (trace_variable_command): Call
+ observer_notify_tsv_modified if the initial value of tsv is
+ changed.
+ (delete_trace_state_variable): Call
+ observer_notify_tsv_deleted earlier.
+ (trace_variable_command): Caller update.
+ (create_tsv_from_upload): Likewise.
+ * observer.sh: Declare "struct trace_state_variable".
+
+ * NEWS: Mention the new MI notification "=tsv-modified".
+
2013-02-05 Doug Evans <dje@google.com>
* completer.c (location_completer): Fix typo in comment.
"=cmd-param-changed".
** Trace frame changes caused by command "tfind" are now notified using
new async record "=traceframe-changed".
- ** The creation and deletion of trace state variables are now notified
- using new async records "=tsv-created" and "=tsv-deleted".
+ ** The creation, deletion and modification of trace state variables
+ are now notified using new async records "=tsv-created",
+ "=tsv-deleted" and "=tsv-modified".
** The start and stop of process record are now notified using new
async record "=record-started" and "=record-stopped".
** Memory changes are now notified using new async record
+2013-02-06 Yao Qi <yao@codesourcery.com>
+
+ * gdb.texinfo (GDB/MI Async Records): Document new MI
+ notification "=tsv-modified". Update the document of MI
+ notification "=tsv-created".
+ * observer.texi (GDB Observers): New observer tsv_modified.
+ Update observer tsv_created and tsv_delete.
+
2013-02-05 Yufeng Zhang <yufeng.zhang@arm.com>
* gdb.texinfo (AArch64 Features): New section; document
@var{tfnum}. The number of the tracepoint associated with this trace
frame is @var{tpnum}.
-@item =tsv-created,name=@var{name},value=@var{value}
+@item =tsv-created,name=@var{name},initial=@var{initial}
Reports that the new trace state variable @var{name} is created with
-value @var{value}.
+initial value @var{initial}.
@item =tsv-deleted,name=@var{name}
@itemx =tsv-deleted
Reports that the trace state variable @var{name} is deleted or all
trace state variables are deleted.
+@item =tsv-modified,name=@var{name},initial=@var{initial}[,current=@var{current}]
+Reports that the trace state variable @var{name} is modified with
+the initial value @var{initial}. The current value @var{current} of
+trace state variable is optional and is reported if the current
+value of trace state variable is known.
+
@item =breakpoint-created,bkpt=@{...@}
@itemx =breakpoint-modified,bkpt=@{...@}
@itemx =breakpoint-deleted,id=@var{number}
is the value of changed parameter.
@end deftypefun
-@deftypefun void tsv_created (const char *@var{name}, LONGEST @var{value})
-The new trace state variable @var{name} is created with value
-@var{value}.
+@deftypefun void tsv_created (const struct trace_state_variable *@var{tsv})
+The new trace state variable @var{tsv} is created.
@end deftypefun
-@deftypefun void tsv_deleted (const char *@var{name})
-The trace state variable @var{name} is deleted. If @var{name} is
+@deftypefun void tsv_deleted (const struct trace_state_variable *@var{tsv})
+The trace state variable @var{tsv} is deleted. If @var{tsv} is
@code{NULL}, all trace state variables are deleted.
@end deftypefun
+@deftypefun void tsv_modified (const struct trace_state_variable *@var{tsv})
+The trace state value @var{tsv} is modified.
+@end deftypefun
+
@deftypefun void test_notification (int @var{somearg})
This observer is used for internal testing. Do not use.
See testsuite/gdb.gdb/observer.exp.
#include "solist.h"
#include "gdb.h"
#include "objfiles.h"
+#include "tracepoint.h"
/* These are the interpreter setup, etc. functions for the MI
interpreter. */
static void mi_solib_unloaded (struct so_list *solib);
static void mi_about_to_proceed (void);
static void mi_traceframe_changed (int tfnum, int tpnum);
-static void mi_tsv_created (const char *name, LONGEST value);
-static void mi_tsv_deleted (const char *name);
+static void mi_tsv_created (const struct trace_state_variable *tsv);
+static void mi_tsv_deleted (const struct trace_state_variable *tsv);
+static void mi_tsv_modified (const struct trace_state_variable *tsv);
static void mi_breakpoint_created (struct breakpoint *b);
static void mi_breakpoint_deleted (struct breakpoint *b);
static void mi_breakpoint_modified (struct breakpoint *b);
observer_attach_traceframe_changed (mi_traceframe_changed);
observer_attach_tsv_created (mi_tsv_created);
observer_attach_tsv_deleted (mi_tsv_deleted);
+ observer_attach_tsv_modified (mi_tsv_modified);
observer_attach_breakpoint_created (mi_breakpoint_created);
observer_attach_breakpoint_deleted (mi_breakpoint_deleted);
observer_attach_breakpoint_modified (mi_breakpoint_modified);
/* Emit notification on creating a trace state variable. */
static void
-mi_tsv_created (const char *name, LONGEST value)
+mi_tsv_created (const struct trace_state_variable *tsv)
{
struct mi_interp *mi = top_level_interpreter_data ();
target_terminal_ours ();
fprintf_unfiltered (mi->event_channel, "tsv-created,"
- "name=\"%s\",value=\"%s\"\n",
- name, plongest (value));
+ "name=\"%s\",initial=\"%s\"\n",
+ tsv->name, plongest (tsv->initial_value));
gdb_flush (mi->event_channel);
}
/* Emit notification on deleting a trace state variable. */
static void
-mi_tsv_deleted (const char *name)
+mi_tsv_deleted (const struct trace_state_variable *tsv)
{
struct mi_interp *mi = top_level_interpreter_data ();
target_terminal_ours ();
- if (name != NULL)
+ if (tsv != NULL)
fprintf_unfiltered (mi->event_channel, "tsv-deleted,"
- "name=\"%s\"\n", name);
+ "name=\"%s\"\n", tsv->name);
else
fprintf_unfiltered (mi->event_channel, "tsv-deleted\n");
gdb_flush (mi->event_channel);
}
+/* Emit notification on modifying a trace state variable. */
+
+static void
+mi_tsv_modified (const struct trace_state_variable *tsv)
+{
+ struct mi_interp *mi = top_level_interpreter_data ();
+ struct ui_out *mi_uiout = interp_ui_out (top_level_interpreter ());
+
+ target_terminal_ours ();
+
+ fprintf_unfiltered (mi->event_channel,
+ "tsv-modified");
+
+ ui_out_redirect (mi_uiout, mi->event_channel);
+
+ ui_out_field_string (mi_uiout, "name", tsv->name);
+ ui_out_field_string (mi_uiout, "initial",
+ plongest (tsv->initial_value));
+ if (tsv->value_known)
+ ui_out_field_string (mi_uiout, "current", plongest (tsv->value));
+
+ ui_out_redirect (mi_uiout, NULL);
+
+ gdb_flush (mi->event_channel);
+}
+
/* Emit notification about a created breakpoint. */
static void
struct objfile;
struct thread_info;
struct inferior;
+struct trace_state_variable;
EOF
;;
esac
+2013-02-06 Yao Qi <yao@codesourcery.com>
+
+ * gdb.trace/mi-tsv-changed.exp (test_create_delete_tsv): Rename
+ to ...
+ (test_create_delete_modify_tsv): ... here. New test on modifying
+ the initial value of a tsv.
+
2013-02-05 Jan Kratochvil <jan.kratochvil@redhat.com>
* gdb.dwarf2/dw2-dir-file-name.exp (cd ${srcabsdir}/rdir): Rename to ...
return -1
}
-# Test notifications on creating and deleting TSV.
+# Test notifications on creating, deleting and modifying TSV.
-proc test_create_delete_tsv { } {with_test_prefix "create delete" {
+proc test_create_delete_modify_tsv { } {with_test_prefix "create delete modify" {
global binfile
global decimal
+ global testfile
+ global srcdir subdir
+ global mi_gdb_prompt
if [mi_gdb_start] {
return
mi_gdb_load ${binfile}
mi_gdb_test "tvariable \$tvar1" \
- ".*=tsv-created,name=\"tvar1\",value=\"0\"\\\\n.*\\^done" \
+ ".*=tsv-created,name=\"tvar1\",initial=\"0\"\\\\n.*\\^done" \
"tvariable \$tvar1"
+ mi_gdb_test "tvariable \$tvar1 = 1" \
+ ".*=tsv-modified,name=\"tvar1\",initial=\"1\".*\\^done" \
+ "tvariable \$tvar1 modified"
+ # No "=tsv-modified" notification is emitted, because the initial
+ # value is not changed.
+ mi_gdb_test "tvariable \$tvar1 = 1" \
+ ".*\\\$tvar1 = 1\\\\n\"\r\n~\"Trace state .*\\\\n.*\\^done" \
+ "tvariable \$tvar1 modified without notification"
mi_gdb_test "tvariable \$tvar2 = 45" \
- ".*=tsv-created,name=\"tvar2\",value=\"45\"\\\\n.*\\^done" \
+ ".*=tsv-created,name=\"tvar2\",initial=\"45\"\\\\n.*\\^done" \
"tvariable \$tvar2"
mi_gdb_test "delete tvariable \$tvar2" \
".*=tsv-deleted\\\\n.*\\^done" \
"delete all tvariables"
+ # Test target supports tracepoints or not.
+ clean_restart $testfile
+
+ if ![runto_main] {
+ fail "Can't run to main to check for trace support"
+ return -1
+ }
+
+ if ![gdb_target_supports_trace] {
+ unsupported "Current target does not support trace"
+ return -1;
+ }
+ gdb_exit
+ if [mi_gdb_start] {
+ continue
+ }
+
+ mi_gdb_reinitialize_dir $srcdir/$subdir
+ mi_gdb_load ${binfile}
+
+ mi_gdb_test "tvariable \$tvar3 = 3" \
+ ".*=tsv-created,name=\"tvar3\",initial=\"3\".*\\^done" \
+ "tvariable \$tvar3 modified"
+ mi_gdb_test "-break-insert -a gdb_c_test" \
+ {.*\^done,bkpt=.*} \
+ "insert tracepoint on gdb_c_test"
+ # Define an action that increases $tvar3
+ send_gdb "actions\n"
+ gdb_expect {
+ -re "End with" {
+ }
+ }
+ send_gdb "collect \$tvar3 += 3\nend\n"
+ set test "define actions"
+ gdb_expect {
+ -re ".*${mi_gdb_prompt}$" {
+ pass $test
+ }
+ timeout {
+ fail "$test (timeout)"
+ }
+ }
+
+ mi_gdb_test "-break-insert begin" \
+ {.*\^done,bkpt=.*} \
+ "insert tracepoint on begin"
+ mi_gdb_test "-break-insert end" \
+ {.*\^done,bkpt=.*} \
+ "insert tracepoint on end"
+ mi_run_cmd
+
+ mi_expect_stop "breakpoint-hit" "begin" ""\
+ ".*" ".*" {"" "disp=\"keep\""} \
+ "continue to begin breakpoint"
+ mi_gdb_test "-trace-start" {.*\^done} "trace start"
+ mi_send_resuming_command "exec-continue" "continuing to end"
+ mi_gdb_test "-trace-stop" {.*} "trace stop"
+ # Force GDB to get the current value of trace state variable.
+ mi_gdb_test "-trace-list-variables" ".*" "list trace variables"
+ mi_gdb_test "tvariable \$tvar3 = 2" \
+ ".*=tsv-modified,name=\"tvar3\",initial=\"2\",current=\"6\".*\\^done" \
+ "tvariable \$tvar3 modified"
+
}}
set tsv1_created 0
set tsv2_created 0
gdb_expect {
- -re "=tsv-created,name=\"tvar1\",value=\"0\"" {
+ -re "=tsv-created,name=\"tvar1\",initial=\"0\"" {
set tsv1_created 1
exp_continue
}
- -re "=tsv-created,name=\"tvar2\",value=\"45\"" {
+ -re "=tsv-created,name=\"tvar2\",initial=\"45\"" {
set tsv2_created 1
exp_continue
}
set gdbserver_reconnect_p 0
}}
- test_create_delete_tsv
+ test_create_delete_modify_tsv
# Test target supports tracepoints or not.
for (ix = 0; VEC_iterate (tsv_s, tvariables, ix, tsv); ++ix)
if (strcmp (name, tsv->name) == 0)
{
+ observer_notify_tsv_deleted (tsv);
+
xfree ((void *)tsv->name);
VEC_unordered_remove (tsv_s, tvariables, ix);
- observer_notify_tsv_deleted (name);
-
return;
}
tsv = find_trace_state_variable (internalvar_name (intvar));
if (tsv)
{
- tsv->initial_value = initval;
+ if (tsv->initial_value != initval)
+ {
+ tsv->initial_value = initval;
+ observer_notify_tsv_modified (tsv);
+ }
printf_filtered (_("Trace state variable $%s "
"now has initial value %s.\n"),
tsv->name, plongest (tsv->initial_value));
tsv = create_trace_state_variable (internalvar_name (intvar));
tsv->initial_value = initval;
- observer_notify_tsv_created (tsv->name, initval);
+ observer_notify_tsv_created (tsv);
printf_filtered (_("Trace state variable $%s "
"created, with initial value %s.\n"),
tsv->initial_value = utsv->initial_value;
tsv->builtin = utsv->builtin;
- observer_notify_tsv_created (tsv->name, tsv->initial_value);
+ observer_notify_tsv_created (tsv);
do_cleanups (old_chain);