dtrace-probe.exp revision 1.1.1.3
1# Copyright (C) 2014-2017 Free Software Foundation, Inc. 2 3# This program is free software; you can redistribute it and/or modify 4# it under the terms of the GNU General Public License as published by 5# the Free Software Foundation; either version 3 of the License, or 6# (at your option) any later version. 7# 8# This program is distributed in the hope that it will be useful, 9# but WITHOUT ANY WARRANTY; without even the implied warranty of 10# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 11# GNU General Public License for more details. 12# 13# You should have received a copy of the GNU General Public License 14# along with this program. If not, see <http://www.gnu.org/licenses/>. 15 16load_lib "dtrace.exp" 17 18# Run the tests. 19# This returns -1 on failure to compile or start, 0 otherwise. 20proc dtrace_test {} { 21 global testfile hex srcfile binfile 22 23 standard_testfile 24 25 if {[dtrace_build_usdt_test_program] == -1} { 26 untested "failed to compile" 27 return -1 28 } 29 30 clean_restart ${binfile} 31 32 if ![runto_main] { 33 return -1 34 } 35 36 gdb_test "print \$_probe_argc" "No probe at PC $hex" \ 37 "check argument not at probe point" 38 39 # Test the 'info probes' command. 40 gdb_test "info probes dtrace" \ 41 "test *progress-counter *$hex +no.*test *two-locations *$hex +always.*test *two-locations *$hex +always.*" \ 42 "info probes dtrace" 43 44 # Disabling the probe test:two-locations shall have no effect, 45 # since no is-enabled probes are defined for it in the object 46 # file. 47 48 gdb_test "disable probe test two-locations" \ 49 "Probe test:two-locations cannot be disabled.*" \ 50 "disable probe test two-locations" 51 52 # On the other hand, the probe test:progress-counter can be 53 # enabled and then disabled again. 54 55 gdb_test "enable probe test progress-counter" \ 56 "Probe test:progress-counter enabled.*" \ 57 "enable probe test progress-counter" 58 59 gdb_test "disable probe test progress-counter" \ 60 "Probe test:progress-counter disabled.*" \ 61 "disable probe test progress-counter" 62 63 # Since test:progress-counter is disabled we can run to the second 64 # instance of the test:two-locations probe. 65 66 if {![runto "-probe-dtrace test:two-locations"]} { 67 fail "run to the first test:two-locations probe point" 68 } 69 if {![runto "-probe-dtrace test:two-locations"]} { 70 fail "run to the second test:two-locations probe point" 71 } 72 73 # Go back to the breakpoint on main() and enable the 74 # test:progress-counter probe. Set a breakpoint on it and see 75 # that it gets reached. 76 77 if ![runto_main] { 78 return -1 79 } 80 81 gdb_test "enable probe test progress-counter" \ 82 "Probe test:progress-counter enabled.*" \ 83 "enable probe test progress-counter" 84 85 gdb_test "break -probe-dtrace test:progress-counter" \ 86 ".*Breakpoint \[0-9\]+ .*" "set breakpoint in test:progress-counter" 87 gdb_continue_to_breakpoint "test:progress-counter" 88 89 # Test probe arguments. 90 gdb_test "print \$_probe_argc" " = 2" \ 91 "print \$_probe_argc for probe progress-counter" 92 gdb_test "print \$_probe_arg0" \ 93 " = $hex \"application\"" \ 94 "print \$_probe_arg0 for probe progress-counter" 95 gdb_test "print \$_probe_arg1" " = 1" \ 96 "print \$_probe_arg1 for probe progress-counter" 97 98 # Set a breakpoint with multiple probe locations. 99 gdb_test "break -pdtrace test:two-locations" \ 100 "Breakpoint \[0-9\]+ at $hex.*2 locations.*" \ 101 "set multi-location probe breakpoint (probe two-locations)" 102 103 return 0 104} 105 106dtrace_test 107