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Enable qTStatus packet in case it is disabled 

Nowadays, we are using command "tstatus" to send a packet to GDBserver
in order to check the connection.  However, on the target doesn't
support tracepoint, the following error is emitted before sending any
packet to GDBserver.

tstatus^M
Trace can not be run on this target.^M
(gdb) FAIL: gdb.server/server-kill.exp: tstatus

qTStatus is disabled after receiving the empty reply during connecting
to the remote target.  When the test executes command "tstatus" again,
remote_get_trace_status returns -1 at the very beginning, and no RSP
packet is sent out.

This patch is to enable qTStatus packet again.

gdb/testsuite:

2014-10-11  Yao Qi  <yao@codesourcery.com>

	* gdb.server/server-kill.exp: Execute command
	"set remote trace-status-packet on" before "tstatus".
This commit is contained in:
Yao Qi 2014-10-08 11:25:31 +08:00
parent f90183d7e3
commit 754dd2b00f
2 changed files with 10 additions and 0 deletions
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5
gdb/testsuite/ChangeLog
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@ -1,3 +1,8 @@
2014-10-11 Yao Qi <yao@codesourcery.com>
* gdb.server/server-kill.exp: Execute command
"set remote trace-status-packet on" before "tstatus".
2014-10-11 Yao Qi <yao@codesourcery.com>
* gdb.server/server-kill.c: Include sys/types.h and unistd.h.

5
gdb/testsuite/gdb.server/server-kill.exp
View File

@ -52,6 +52,11 @@ if {$server_pid == "" } {
remote_exec target "kill -9 $server_pid"
# Enable trace status packet which is disabled after the connection
# if the remote target doesn't support tracepoint at all. Otherwise,
# no RSP packet is sent out.
gdb_test_no_output "set remote trace-status-packet on"
# Force GDB to talk with GDBserver, so that we can get the
# "connection closed" error.
gdb_test "tstatus" {Remote connection closed|Remote communication error\. Target disconnected\.: Connection reset by peer\.}