1# Copyright 2013-2015 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 trace-support.exp 17 18standard_testfile 19 20if {[prepare_for_testing $testfile.exp $testfile $srcfile debug]} { 21 return -1 22} 23 24proc test_actions_changed { } { 25 gdb_breakpoint "end" 26 27 gdb_test "trace subr" "Tracepoint .*" \ 28 "tracepoint at subr" 29 30 # The first set of tests are regression tests for a GDB bug where 31 # the while-stepping count of a tracepoint would be left stale if 32 # the tracepoint's actions were redefined, and the new action list 33 # had no while-stepping action. 34 35 # First pass, define simple action. 36 with_test_prefix "1" { 37 gdb_trace_setactions "define simple action" \ 38 "" \ 39 "collect parm" "^$" 40 41 gdb_test_no_output "tstart" 42 43 gdb_test "continue" ".*Breakpoint \[0-9\]+, end \\(i=1\\) .*" \ 44 "advance through tracing" 45 46 gdb_test "tstatus" ".*Collected 1 trace frame.*" \ 47 "collected 1 trace frame" 48 49 gdb_test_no_output "tstop" 50 } 51 52 # Redefine action, run second trace. 53 with_test_prefix "2" { 54 gdb_trace_setactions "redefine simple action" \ 55 "" \ 56 "collect keeping, busy" "^$" 57 58 gdb_test_no_output "tstart" 59 60 gdb_test "continue" ".*Breakpoint \[0-9\]+, end \\(i=2\\) .*" \ 61 "advance through tracing" 62 63 gdb_test "tstatus" ".*Collected 1 trace frame.*" \ 64 "collected 1 trace frame" 65 66 gdb_test_no_output "tstop" 67 } 68 69 # Redefine to stepping action, run third trace. 70 with_test_prefix "3" { 71 gdb_trace_setactions "redefine to stepping action" \ 72 "" \ 73 "collect parm" "^$" \ 74 "while-stepping 5" "^$" \ 75 "collect parm" "^$" \ 76 "end" "^$" 77 78 gdb_test_no_output "tstart" 79 80 gdb_test "continue" ".*Breakpoint \[0-9\]+, end \\(i=3\\) .*" \ 81 "advance through tracing" 82 83 gdb_test "tstatus" ".*Collected 6 trace frames.*" \ 84 "collected 6 trace frames" 85 86 gdb_test_no_output "tstop" 87 } 88 89 # Redefine to non-stepping, run fourth trace. 90 with_test_prefix "4" { 91 gdb_trace_setactions "redefine to non-stepping action" \ 92 "" \ 93 "collect parm" "^$" 94 95 gdb_test_no_output "tstart" 96 97 gdb_test "continue" ".*Breakpoint \[0-9\]+, end \\(i=4\\) .*" \ 98 "advance through tracing" 99 100 gdb_test "tstatus" ".*Collected 1 trace frame.*" \ 101 "collected 1 trace frame" 102 103 gdb_test_no_output "tstop" 104 } 105 106 # The following tests are related to the above, but use two 107 # tracepoints. They are regression tests for a GDB bug where only 108 # the first tracepoint would end up with the step count set. 109 110 # Store the first tracepoint's number. 111 gdb_test_no_output "set \$prev_tpnum=\$tpnum" "store previous \$tpnum" 112 113 # And here's the second tracepoint. 114 gdb_test "trace subr2" "Tracepoint .*" "tracepoint at subr2" 115 116 # Set a stepping action in both tracepoints, with the "commands" 117 # command. 118 with_test_prefix "5" { 119 gdb_trace_setcommands \ 120 "redefine 2 tracepoints to stepping action, using commands" \ 121 "\$prev_tpnum-\$tpnum" \ 122 "collect parm" "^$" \ 123 "while-stepping 5" "^$" \ 124 "collect parm" "^$" \ 125 "end" "^$" 126 127 gdb_test_no_output "tstart" 128 129 gdb_test "continue" ".*Breakpoint \[0-9\]+, end \\(i=5\\) .*" \ 130 "advance through tracing" 131 132 gdb_test "tstatus" ".*Collected 12 trace frames.*" \ 133 "collected 12 trace frames" 134 135 gdb_test_no_output "tstop" 136 } 137 138 # Redefine the actions of both tracepoints to non-stepping, also 139 # using the "commands" command. 140 with_test_prefix "6" { 141 gdb_trace_setcommands \ 142 "redefine 2 tracepoints to non-stepping action, using commands" \ 143 "\$prev_tpnum-\$tpnum" \ 144 "collect parm" "^$" 145 146 gdb_test_no_output "tstart" 147 148 gdb_test "continue" ".*Breakpoint \[0-9\]+, end \\(i=6\\) .*" \ 149 "advance through tracing" 150 151 gdb_test "tstatus" ".*Collected 2 trace frame.*" \ 152 "collected 2 trace frames" 153 154 gdb_test_no_output "tstop" 155 } 156} 157 158# Check whether the target supports tracepoints. 159 160clean_restart $testfile 161 162if ![runto_main] { 163 fail "Can't run to main to check for trace support" 164 return -1 165} 166 167if ![gdb_target_supports_trace] { 168 unsupported "Current target does not support trace" 169 return -1 170} 171 172test_actions_changed 173 174return 0 175