174 lines
4.6 KiB
Text
174 lines
4.6 KiB
Text
# Copyright 2013-2014 Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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load_lib trace-support.exp
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standard_testfile
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if {[prepare_for_testing $testfile.exp $testfile $srcfile debug]} {
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return -1
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}
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proc test_actions_changed { } {
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gdb_breakpoint "end"
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gdb_test "trace subr" "Tracepoint .*" \
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"tracepoint at subr"
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# The first set of tests are regression tests for a GDB bug where
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# the while-stepping count of a tracepoint would be left stale if
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# the tracepoint's actions were redefined, and the new action list
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# had no while-stepping action.
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# First pass, define simple action.
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with_test_prefix "1" {
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gdb_trace_setactions "define simple action" \
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"" \
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"collect parm" "^$"
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gdb_test_no_output "tstart"
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gdb_test "continue" ".*Breakpoint \[0-9\]+, end \\(i=1\\) .*" \
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"advance through tracing"
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gdb_test "tstatus" ".*Collected 1 trace frame.*" \
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"collected 1 trace frame"
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gdb_test_no_output "tstop"
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}
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# Redefine action, run second trace.
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with_test_prefix "2" {
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gdb_trace_setactions "redefine simple action" \
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"" \
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"collect keeping, busy" "^$"
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gdb_test_no_output "tstart"
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gdb_test "continue" ".*Breakpoint \[0-9\]+, end \\(i=2\\) .*" \
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"advance through tracing"
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gdb_test "tstatus" ".*Collected 1 trace frame.*" \
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"collected 1 trace frame"
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gdb_test_no_output "tstop"
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}
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# Redefine to stepping action, run third trace.
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with_test_prefix "3" {
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gdb_trace_setactions "redefine to stepping action" \
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"" \
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"collect parm" "^$" \
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"while-stepping 5" "^$" \
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"collect parm" "^$" \
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"end" "^$"
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gdb_test_no_output "tstart"
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gdb_test "continue" ".*Breakpoint \[0-9\]+, end \\(i=3\\) .*" \
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"advance through tracing"
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gdb_test "tstatus" ".*Collected 6 trace frames.*" \
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"collected 6 trace frames"
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gdb_test_no_output "tstop"
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}
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# Redefine to non-stepping, run fourth trace.
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with_test_prefix "4" {
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gdb_trace_setactions "redefine to non-stepping action" \
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"" \
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"collect parm" "^$"
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gdb_test_no_output "tstart"
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gdb_test "continue" ".*Breakpoint \[0-9\]+, end \\(i=4\\) .*" \
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"advance through tracing"
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gdb_test "tstatus" ".*Collected 1 trace frame.*" \
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"collected 1 trace frame"
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gdb_test_no_output "tstop"
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}
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# The following tests are related to the above, but use two
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# tracepoints. They are regression tests for a GDB bug where only
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# the first tracepoint would end up with the step count set.
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# Store the first tracepoint's number.
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gdb_test_no_output "set \$prev_tpnum=\$tpnum" "store previous \$tpnum"
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# And here's the second tracepoint.
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gdb_test "trace subr2" "Tracepoint .*" "tracepoint at subr2"
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# Set a stepping action in both tracepoints, with the "commands"
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# command.
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with_test_prefix "5" {
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gdb_trace_setcommands \
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"redefine 2 tracepoints to stepping action, using commands" \
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"\$prev_tpnum-\$tpnum" \
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"collect parm" "^$" \
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"while-stepping 5" "^$" \
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"collect parm" "^$" \
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"end" "^$"
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gdb_test_no_output "tstart"
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gdb_test "continue" ".*Breakpoint \[0-9\]+, end \\(i=5\\) .*" \
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"advance through tracing"
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gdb_test "tstatus" ".*Collected 12 trace frames.*" \
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"collected 12 trace frames"
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gdb_test_no_output "tstop"
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}
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# Redefine the actions of both tracepoints to non-stepping, also
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# using the "commands" command.
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with_test_prefix "6" {
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gdb_trace_setcommands \
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"redefine 2 tracepoints to non-stepping action, using commands" \
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"\$prev_tpnum-\$tpnum" \
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"collect parm" "^$"
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gdb_test_no_output "tstart"
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gdb_test "continue" ".*Breakpoint \[0-9\]+, end \\(i=6\\) .*" \
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"advance through tracing"
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gdb_test "tstatus" ".*Collected 2 trace frame.*" \
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"collected 2 trace frames"
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gdb_test_no_output "tstop"
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}
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}
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# Check whether the target supports tracepoints.
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clean_restart $testfile
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if ![runto_main] {
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fail "Can't run to main to check for trace support"
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return -1
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}
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if ![gdb_target_supports_trace] {
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unsupported "Current target does not support trace"
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return -1
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}
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test_actions_changed
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return 0
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