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# Copyright (C) 2014-2020 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 "dtrace.exp"
# Run the tests.
# This returns -1 on failure to compile or start, 0 otherwise.
proc dtrace_test {} {
global testfile hex srcfile binfile
standard_testfile
if {[dtrace_build_usdt_test_program] == -1} {
untested "failed to compile"
return -1
}
clean_restart ${binfile}
if ![runto_main] {
return -1
}
gdb_test "print \$_probe_argc" "No probe at PC $hex" \
"check argument not at probe point"
# Test the 'info probes' command.
gdb_test "info probes dtrace" \
"test *progress-counter *$hex +no.*test *two-locations *$hex +always.*test *two-locations *$hex +always.*" \
"info probes dtrace"
# Disabling the probe test:two-locations shall have no effect,
# since no is-enabled probes are defined for it in the object
# file.
gdb_test "disable probe test two-locations" \
"Probe test:two-locations cannot be disabled.*" \
"disable probe test two-locations"
# On the other hand, the probe test:progress-counter can be
# enabled and then disabled again.
gdb_test "enable probe test progress-counter" \
"Probe test:progress-counter enabled.*" \
"enable probe test progress-counter"
gdb_test "disable probe test progress-counter" \
"Probe test:progress-counter disabled.*" \
"disable probe test progress-counter"
# Since test:progress-counter is disabled we can run to the second
# instance of the test:two-locations probe.
if {![runto "-probe-dtrace test:two-locations"]} {
fail "run to the first test:two-locations probe point"
}
if {![runto "-probe-dtrace test:two-locations"]} {
fail "run to the second test:two-locations probe point"
}
# Go back to the breakpoint on main() and enable the
# test:progress-counter probe. Set a breakpoint on it and see
# that it gets reached.
if ![runto_main] {
return -1
}
gdb_test "enable probe test progress-counter" \
"Probe test:progress-counter enabled.*" \
"enable probe test progress-counter"
gdb_test "break -probe-dtrace test:progress-counter" \
".*Breakpoint \[0-9\]+ .*" "set breakpoint in test:progress-counter"
gdb_continue_to_breakpoint "test:progress-counter"
# Test probe arguments.
gdb_test "print \$_probe_argc" " = 2" \
"print \$_probe_argc for probe progress-counter"
gdb_test "print \$_probe_arg0" \
" = $hex \"application\"" \
"print \$_probe_arg0 for probe progress-counter"
gdb_test "print \$_probe_arg1" " = 1" \
"print \$_probe_arg1 for probe progress-counter"
# Set a breakpoint with multiple probe locations.
gdb_test "break -pdtrace test:two-locations" \
"Breakpoint \[0-9\]+ at $hex.*2 locations.*" \
"set multi-location probe breakpoint (probe two-locations)"
return 0
}
dtrace_test
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