gdb/testsuite/gdb.trace/actions-changed.exp

   1 # Copyright 2013-2024 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 trace-support.exp
  17
  18 standard_testfile
  19
  20 require gdb_trace_common_supports_arch
  21
  22 if {[prepare_for_testing "failed to prepare" $testfile $srcfile debug]} {
  23     return -1
  24 }
  25
  26 proc test_actions_changed { } {
  27     gdb_breakpoint "end" qualified
  28
  29     gdb_test "trace subr" "Tracepoint .*" \
  30         "tracepoint at subr"
  31
  32     # The first set of tests are regression tests for a GDB bug where
  33     # the while-stepping count of a tracepoint would be left stale if
  34     # the tracepoint's actions were redefined, and the new action list
  35     # had no while-stepping action.
  36
  37     # First pass, define simple action.
  38     with_test_prefix "1" {
  39         gdb_trace_setactions "define simple action" \
  40             "" \
  41             "collect parm" "^$"
  42
  43         gdb_test_no_output "tstart"
  44
  45         gdb_test "continue" ".*Breakpoint \[0-9\]+, end \\(i=1\\) .*" \
  46             "advance through tracing"
  47
  48         gdb_test "tstatus" ".*Collected 1 trace frame.*" \
  49             "collected 1 trace frame"
  50
  51         gdb_test_no_output "tstop"
  52     }
  53
  54     # Redefine action, run second trace.
  55     with_test_prefix "2" {
  56         gdb_trace_setactions "redefine simple action" \
  57             "" \
  58             "collect keeping, busy" "^$"
  59
  60         gdb_test_no_output "tstart"
  61
  62         gdb_test "continue" ".*Breakpoint \[0-9\]+, end \\(i=2\\) .*" \
  63             "advance through tracing"
  64
  65         gdb_test "tstatus" ".*Collected 1 trace frame.*" \
  66             "collected 1 trace frame"
  67
  68         gdb_test_no_output "tstop"
  69     }
  70
  71     # Redefine to stepping action, run third trace.
  72     with_test_prefix "3" {
  73         gdb_trace_setactions "redefine to stepping action" \
  74             "" \
  75             "collect parm" "^$" \
  76             "while-stepping 5" "^$" \
  77             "collect parm" "^$" \
  78             "end" "^$"
  79
  80         gdb_test_no_output "tstart"
  81
  82         gdb_test "continue" ".*Breakpoint \[0-9\]+, end \\(i=3\\) .*" \
  83             "advance through tracing"
  84
  85         gdb_test "tstatus" ".*Collected 6 trace frames.*" \
  86             "collected 6 trace frames"
  87
  88         gdb_test_no_output "tstop"
  89     }
  90
  91     # Redefine to non-stepping, run fourth trace.
  92     with_test_prefix "4" {
  93         gdb_trace_setactions "redefine to non-stepping action" \
  94             "" \
  95             "collect parm" "^$"
  96
  97         gdb_test_no_output "tstart"
  98
  99         gdb_test "continue" ".*Breakpoint \[0-9\]+, end \\(i=4\\) .*" \
 100             "advance through tracing"
 101
 102         gdb_test "tstatus" ".*Collected 1 trace frame.*" \
 103             "collected 1 trace frame"
 104
 105         gdb_test_no_output "tstop"
 106     }
 107
 108     # The following tests are related to the above, but use two
 109     # tracepoints.  They are regression tests for a GDB bug where only
 110     # the first tracepoint would end up with the step count set.
 111
 112     # Store the first tracepoint's number.
 113     gdb_test_no_output "set \$prev_tpnum=\$tpnum" "store previous \$tpnum"
 114
 115     # And here's the second tracepoint.
 116     gdb_test "trace subr2" "Tracepoint .*" "tracepoint at subr2"
 117
 118     # Set a stepping action in both tracepoints, with the "commands"
 119     # command.
 120     with_test_prefix "5" {
 121         gdb_trace_setcommands \
 122             "redefine 2 tracepoints to stepping action, using commands" \
 123             "\$prev_tpnum-\$tpnum" \
 124             "collect parm" "^$" \
 125             "while-stepping 5" "^$" \
 126             "collect parm" "^$" \
 127             "end" "^$"
 128
 129         gdb_test_no_output "tstart"
 130
 131         gdb_test "continue" ".*Breakpoint \[0-9\]+, end \\(i=5\\) .*" \
 132             "advance through tracing"
 133
 134         gdb_test "tstatus" ".*Collected 12 trace frames.*" \
 135             "collected 12 trace frames"
 136
 137         gdb_test_no_output "tstop"
 138     }
 139
 140     # Redefine the actions of both tracepoints to non-stepping, also
 141     # using the "commands" command.
 142     with_test_prefix "6" {
 143         gdb_trace_setcommands \
 144             "redefine 2 tracepoints to non-stepping action, using commands" \
 145             "\$prev_tpnum-\$tpnum" \
 146             "collect parm" "^$"
 147
 148         gdb_test_no_output "tstart"
 149
 150         gdb_test "continue" ".*Breakpoint \[0-9\]+, end \\(i=6\\) .*" \
 151             "advance through tracing"
 152
 153         gdb_test "tstatus" ".*Collected 2 trace frame.*" \
 154             "collected 2 trace frames"
 155
 156         gdb_test_no_output "tstop"
 157     }
 158 }
 159
 160 # Check whether the target supports tracepoints.
 161
 162 clean_restart $testfile
 163
 164 if ![runto_main] {
 165     return -1
 166 }
 167
 168 if ![gdb_target_supports_trace] {
 169     unsupported "current target does not support trace"
 170     return -1
 171 }
 172
 173 test_actions_changed