gdb/testsuite/gdb.trace/disconnected-tracing.exp

   1 #   Copyright 2012-2024 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 # Test of disconnected-tracing.
  17
  18 load_lib "trace-support.exp"
  19
  20 standard_testfile
  21 set executable $testfile
  22 set expfile $testfile.exp
  23 set gdbserver_reconnect_p 1
  24
  25 if { [info proc gdb_reconnect] == "" } {
  26     unsupported "target does not support reconnect"
  27     return -1
  28 }
  29
  30 if [prepare_for_testing "failed to prepare" $executable $srcfile \
  31         {debug nowarnings}] {
  32     return -1
  33 }
  34
  35 if ![runto_main] {
  36     return -1
  37 }
  38
  39 if ![gdb_target_supports_trace] {
  40     unsupported "target does not support trace"
  41     return -1
  42 }
  43
  44 # Disconnect in tracing.
  45
  46 proc disconnected_tracing {  } {
  47     with_test_prefix "trace" {
  48         global executable
  49         global decimal
  50         global srcfile
  51
  52         # Start with a fresh gdb.
  53         clean_restart ${executable}
  54         if ![runto_main] {
  55             return -1
  56         }
  57
  58         gdb_test_no_output "set confirm off"
  59         gdb_test_no_output "set disconnected-tracing on"
  60         gdb_test "trace start" ".*"
  61         gdb_trace_setactions "collect on tracepoint 2" "2" \
  62             "collect foo" "^$"
  63         gdb_breakpoint "end" qualified
  64
  65         gdb_test_no_output "tstart"
  66
  67         gdb_test "continue" "Continuing\\.\[ \r\n\]+Breakpoint.*"
  68         gdb_test_no_output "tstop"
  69
  70         gdb_test "info tracepoints" ".*in start at.*" \
  71             "first info tracepoints"
  72
  73         gdb_test "disconnect" "Ending remote debugging\\." "first disconnect"
  74         if { [gdb_reconnect] == 0 } {
  75             pass "first reconnect after unload"
  76         } else {
  77             fail "first reconnect after unload"
  78             return 0
  79         }
  80         gdb_test "info tracepoints" ".*in start at.*" \
  81             "second info tracepoints"
  82
  83         delete_breakpoints
  84         gdb_test "info tracepoints" ".*No tracepoints..*" \
  85             "third info tracepoints"
  86
  87         gdb_test "disconnect" "Ending remote debugging\\." "second disconnect"
  88         if { [gdb_reconnect] == 0 } {
  89             pass "second reconnect after unload"
  90         } else {
  91             fail "second reconnect after unload"
  92             return 0
  93         }
  94         gdb_test "tstatus"
  95         gdb_test "info tracepoints" \
  96             "Num     Type\[ \]+Disp Enb Address\[ \]+What.*
  97 \[0-9\]+\[\t \]+tracepoint     keep y.* in start at .*$srcfile:\[0-9\]+.
  98 \[\t \]+tracepoint already hit 1 time.
  99 \[\t \]+trace buffer usage ${decimal} bytes.
 100 \[\t \]+collect foo.*" \
 101             "fourth info tracepoints"
 102     }
 103 }
 104
 105 disconnected_tracing
 106
 107 # Disconnected in tfind
 108
 109 proc disconnected_tfind {  } {
 110     with_test_prefix "tfind" {
 111         global executable
 112         global decimal
 113
 114         # Start with a fresh gdb.
 115         clean_restart ${executable}
 116         if ![runto_main] {
 117             return -1
 118         }
 119
 120         gdb_test_no_output "set confirm off"
 121         gdb_test_no_output "set disconnected-tracing on"
 122         gdb_test "trace start" ".*"
 123         gdb_test_no_output "tstart"
 124
 125         gdb_breakpoint "end" qualified
 126         gdb_test "continue" "Continuing\\.\[ \r\n\]+Breakpoint.*"
 127         gdb_test_no_output "tstop"
 128
 129         gdb_test "tfind" "Found trace frame 0, tracepoint .*" "tfind frame 0"
 130         gdb_test "p \$trace_frame" ".*\\\$${decimal} = 0.*" \
 131             "p \$trace_frame before disconnected"
 132         gdb_test "p \$tracepoint" ".*\\\$${decimal} = 2.*" \
 133             "p \$tracepoint before disconnected"
 134
 135         gdb_test "disconnect" "Ending remote debugging\\." "first disconnect"
 136
 137         gdb_test "p \$trace_frame" ".*\\\$${decimal} = -1.*"
 138         gdb_test "p \$tracepoint" ".*\\\$${decimal} = -1.*"
 139         gdb_test "p \$trace_line" ".*\\\$${decimal} = -1.*"
 140         gdb_test "p \$trace_file" ".*\\\$${decimal} = void.*"
 141         gdb_test "p \$trace_func" ".*\\\$${decimal} = void.*"
 142     }
 143 }
 144
 145 disconnected_tfind
 146
 147 # Reconnect for a clean gdbserver shutdown.
 148 gdb_reconnect