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# Copyright 2012-2020 Free Software Foundation, Inc.
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
load_lib trace-support.exp
load_lib mi-support.exp
standard_testfile actions.c
if ![gdb_trace_common_supports_arch] {
unsupported "no trace-common.h support for arch"
return -1
}
if { [gdb_compile "$srcdir/$subdir/$srcfile" $binfile \
executable {debug nowarnings}] != "" } {
untested "failed to compile"
return -1
}
# Test notifications on creating, deleting and modifying TSV.
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\",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\",initial=\"45\"\\\\n.*\\^done" \
"tvariable \$tvar2"
mi_gdb_test "delete tvariable \$tvar2" \
".*=tsv-deleted,name=\"tvar2\"\\\\n.*\\^done" \
"delete tvariable \$tvar2"
mi_gdb_test "delete tvariable" \
".*=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"
}
}
# Test when GDB connects to a disconnected stub, existing TSVs in
# remote stub can be uploaded to GDB, and GDB emits MI notification
# for new uploaded TSVs.
proc test_upload_tsv { } {
with_test_prefix "upload" {
global gdbserver_reconnect_p
global gdb_prompt
global testfile
global decimal
set gdbserver_reconnect_p 1
if { [info proc gdb_reconnect] == "" } {
return 0
}
clean_restart $testfile
if ![runto_main] then {
fail "can't run to main"
return 0
}
gdb_test "tvariable \$tvar1" \
"Trace state variable \\\$tvar1 created, with initial value 0." \
"create a trace state variable"
gdb_test "tvariable \$tvar2 = 45" \
"Trace state variable \\\$tvar2 created, with initial value 45." \
"Create a trace state variable with initial value"
# Define a tracepoint otherwise tracing cannot be started.
gdb_test "trace main" "Tracepoint $decimal at .*"
gdb_test_no_output "tstart" "start trace experiment"
set test "disconnect"
gdb_test_multiple "disconnect" $test {
-re "Trace is running but will stop on detach; detach anyway\\? \\(y or n\\) $" {
pass $test
set test "disconnected"
gdb_test_multiple "y" $test {
-re "$gdb_prompt $" {
pass "$test"
}
}
}
}
gdb_exit
if [mi_gdb_start] {
return
}
global srcdir
global subdir
global binfile
mi_gdb_reinitialize_dir $srcdir/$subdir
mi_gdb_load ${binfile}
global gdbserver_protocol
global gdbserver_gdbport
send_gdb "47-target-select $gdbserver_protocol $gdbserver_gdbport\n"
global mi_gdb_prompt
set tsv1_created 0
set tsv2_created 0
gdb_expect {
-re "=tsv-created,name=\"tvar1\",initial=\"0\"" {
set tsv1_created 1
exp_continue
}
-re "=tsv-created,name=\"tvar2\",initial=\"45\"" {
set tsv2_created 1
exp_continue
}
-re ".*${mi_gdb_prompt}" {
}
}
if $tsv1_created {
pass "tsv1 created"
} else {
fail "tsv1 created"
}
if $tsv2_created {
pass "tsv2 created"
} else {
fail "tsv2 created"
}
set gdbserver_reconnect_p 0
}
}
test_create_delete_modify_tsv
# 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
test_upload_tsv
return 0
|
