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* tracepoint.c (disconnect_tracing): Call set_tracepoint_num.
	(tfind_1): Don't call registers_changed, set_traceframe_num,
	and clear_traceframe_info.
	Call set_current_traceframe.
	(set_current_traceframe): call set_traceframe_num.

gdb/testsuite:

	* gdb.trace/disconnected-tracing.c (start, end): New.
	(main): Call start and end.
	* gdb.trace/disconnected-tracing.exp (disconnected_tracing): Move
	existing tests into this proc.
	(disconnected_tfind): New.
This commit is contained in:
Yao Qi 2012-08-23 16:11:10 +00:00
parent 61b1d75968
commit 8d735b87dd
5 changed files with 107 additions and 28 deletions
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8
gdb/ChangeLog
View file

@ -1,3 +1,11 @@
2012-08-23 Yao Qi <yao@codesourcery.com>
* tracepoint.c (disconnect_tracing): Call set_tracepoint_num.
(tfind_1): Don't call registers_changed, set_traceframe_num,
and clear_traceframe_info.
Call set_current_traceframe.
(set_current_traceframe): call set_traceframe_num.
2012-08-22 Sergio Durigan Junior <sergiodj@redhat.com>
* remote-sim.c (_initialize_remote_sim): Pass NULL argument to

8
gdb/testsuite/ChangeLog
View file

@ -1,3 +1,11 @@
2012-08-23 Yao Qi <yao@codesourcery.com>
* gdb.trace/disconnected-tracing.c (start, end): New.
(main): Call start and end.
* gdb.trace/disconnected-tracing.exp (disconnected_tracing): Move
existing tests into this proc.
(disconnected_tfind): New.
2012-08-23 Yao Qi <yao@codesourcery.com>
* boards/native-gdbserver.exp (${board}_upload): New.

10
gdb/testsuite/gdb.trace/disconnected-tracing.c
View file

@ -15,7 +15,17 @@
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
void
end (void)
{}
void
start (void)
{}
int main ()
{
start ();
end ();
return 0;
}

100
gdb/testsuite/gdb.trace/disconnected-tracing.exp
View file

@ -43,32 +43,84 @@ if ![gdb_target_supports_trace] {
return -1;
}
delete_breakpoints
gdb_test_no_output "set confirm off"
gdb_test_no_output "set disconnected-tracing on"
gdb_test "trace main" ".*"
gdb_test_no_output "tstart"
# Disconnect in tracing.
gdb_test "info tracepoints" ".*in main at.*" "first info tracepoints"
proc disconnected_tracing { } { with_test_prefix "trace" {
global executable
gdb_test "disconnect" "Ending remote debugging\\." "first disconnect"
if { [gdb_reconnect] == 0 } {
pass "first reconnect after unload"
} else {
fail "first reconnect after unload"
return 0
}
gdb_test "info tracepoints" ".*in main at.*" "second info tracepoints"
# Start with a fresh gdb.
clean_restart ${executable}
if ![runto_main] {
fail "Can't run to main"
return -1
}
delete_breakpoints
gdb_test "info tracepoints" ".*No tracepoints..*" "third info tracepoints"
gdb_test_no_output "set confirm off"
gdb_test_no_output "set disconnected-tracing on"
gdb_test "trace main" ".*"
gdb_test_no_output "tstart"
gdb_test "disconnect" "Ending remote debugging\\." "second disconnect"
if { [gdb_reconnect] == 0 } {
pass "second reconnect after unload"
} else {
fail "second reconnect after unload"
return 0
}
gdb_test "info tracepoints" ".*in main at.*" "fourth info tracepoints"
gdb_test "info tracepoints" ".*in main at.*" "first info tracepoints"
gdb_test "disconnect" "Ending remote debugging\\." "first disconnect"
if { [gdb_reconnect] == 0 } {
pass "first reconnect after unload"
} else {
fail "first reconnect after unload"
return 0
}
gdb_test "info tracepoints" ".*in main at.*" "second info tracepoints"
delete_breakpoints
gdb_test "info tracepoints" ".*No tracepoints..*" "third info tracepoints"
gdb_test "disconnect" "Ending remote debugging\\." "second disconnect"
if { [gdb_reconnect] == 0 } {
pass "second reconnect after unload"
} else {
fail "second reconnect after unload"
return 0
}
gdb_test "info tracepoints" ".*in main at.*" "fourth info tracepoints"
}}
disconnected_tracing
# Disconnected in tfind
proc disconnected_tfind { } { with_test_prefix "tfind" {
global executable
global decimal
# Start with a fresh gdb.
clean_restart ${executable}
if ![runto_main] {
fail "Can't run to main"
return -1
}
gdb_test_no_output "set confirm off"
gdb_test_no_output "set disconnected-tracing on"
gdb_test "trace start" ".*"
gdb_test_no_output "tstart"
gdb_test "break end" "Breakpoint ${decimal} at .*"
gdb_test "continue" "Continuing\\.\[ \r\n\]+Breakpoint.*"
gdb_test_no_output "tstop"
gdb_test "tfind" "Found trace frame 0, tracepoint .*" "tfind frame 0"
gdb_test "p \$trace_frame" ".*\\\$${decimal} = 0.*" \
"p \$trace_frame before disconnected"
gdb_test "p \$tracepoint" ".*\\\$${decimal} = 2.*" \
"p \$tracepoint before disconnected"
gdb_test "disconnect" "Ending remote debugging\\." "first disconnect"
gdb_test "p \$trace_frame" ".*\\\$${decimal} = -1.*"
gdb_test "p \$tracepoint" ".*\\\$${decimal} = -1.*"
gdb_test "p \$trace_line" ".*\\\$${decimal} = -1.*"
gdb_test "p \$trace_file" ".*\\\$${decimal} = void.*"
gdb_test "p \$trace_func" ".*\\\$${decimal} = void.*"
}}
disconnected_tfind

9
gdb/tracepoint.c
View file

@ -2212,6 +2212,7 @@ disconnect_tracing (int from_tty)
full tfind_1 behavior because we're in the middle of detaching,
and there's no point to updating current stack frame etc. */
set_current_traceframe (-1);
set_tracepoint_num (-1);
set_traceframe_context (NULL);
}
@ -2285,10 +2286,10 @@ tfind_1 (enum trace_find_type type, int num,
tp = get_tracepoint_by_number_on_target (target_tracept);
reinit_frame_cache ();
registers_changed ();
target_dcache_invalidate ();
set_traceframe_num (target_frameno);
clear_traceframe_info ();
set_current_traceframe (target_frameno);
set_tracepoint_num (tp ? tp->base.number : target_tracept);
if (target_frameno == -1)
set_traceframe_context (NULL);
@ -3273,7 +3274,7 @@ set_current_traceframe (int num)
if (newnum != num)
warning (_("could not change traceframe"));
traceframe_number = newnum;
set_traceframe_num (newnum);
/* Changing the traceframe changes our view of registers and of the
frame chain. */