gdb/testsuite/gdb.base/dtrace-probe.exp

   1 # Copyright (C) 2014-2023 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
  16 load_lib "dtrace.exp"
  17
  18 # Run the tests.
  19 # This returns -1 on failure to compile or start, 0 otherwise.
  20 proc 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     runto "-probe-dtrace test:two-locations"]
  67     runto "-probe-dtrace test:two-locations"]
  68
  69     # Go back to the breakpoint on main() and enable the
  70     # test:progress-counter probe.  Set a breakpoint on it and see
  71     # that it gets reached.
  72
  73     if ![runto_main] {
  74         return -1
  75     }
  76
  77     gdb_test "enable probe test progress-counter" \
  78         "Probe test:progress-counter enabled.*" \
  79         "enable probe test progress-counter"
  80
  81     gdb_test "break -probe-dtrace test:progress-counter" \
  82         ".*Breakpoint \[0-9\]+ .*" "set breakpoint in test:progress-counter"
  83     gdb_continue_to_breakpoint "test:progress-counter"
  84
  85     # Test probe arguments.
  86     gdb_test "print \$_probe_argc" " = 2" \
  87         "print \$_probe_argc for probe progress-counter"
  88     gdb_test "print \$_probe_arg0" \
  89         " = $hex \"application\"" \
  90         "print \$_probe_arg0 for probe progress-counter"
  91     gdb_test "print \$_probe_arg1" " = 1" \
  92         "print \$_probe_arg1 for probe progress-counter"
  93
  94     # Set a breakpoint with multiple probe locations.
  95     gdb_test "break -pdtrace test:two-locations" \
  96         "Breakpoint \[0-9\]+ at $hex.*2 locations.*" \
  97         "set multi-location probe breakpoint (probe two-locations)"
  98
  99     return 0
 100 }
 101
 102 dtrace_test