gdb/testsuite/gdb.trace/tstatus.exp

   1 # Copyright 2011-2016 Free Software Foundation, Inc.
   2 # This program is free software; you can redistribute it and/or modify
   3 # it under the terms of the GNU General Public License as published by
   4 # the Free Software Foundation; either version 3 of the License, or
   5 # (at your option) any later version.
   6 #
   7 # This program is distributed in the hope that it will be useful,
   8 # but WITHOUT ANY WARRANTY; without even the implied warranty of
   9 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  10 # GNU General Public License for more details.
  11 #
  12 # You should have received a copy of the GNU General Public License
  13 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  14
  15 load_lib "trace-support.exp"
  16
  17 standard_testfile actions.c
  18 set executable $testfile
  19 set expfile tstatus.exp
  20
  21 if [prepare_for_testing "failed to prepare" $executable $srcfile \
  22         [list debug]] {
  23     return -1
  24 }
  25
  26 if ![runto_main] {
  27     fail "can't run to main to check for trace support"
  28     return -1
  29 }
  30
  31 if ![gdb_target_supports_trace] {
  32     unsupported "target does not support trace"
  33     return -1
  34 }
  35
  36 set tstatus_output ""
  37
  38 proc run_trace_experiment {} {
  39     global gdb_prompt
  40     global decimal
  41     global tstatus_output
  42
  43 #    gdb_test_no_output "set debug remote 1" ""
  44
  45     gdb_test "continue" \
  46         ".*Breakpoint \[0-9\]+, begin .*" \
  47         "advance to trace begin"
  48
  49     gdb_test_no_output "tstart my tracing note" "start trace experiment"
  50
  51     gdb_test "continue" \
  52         ".*Breakpoint \[0-9\]+, end .*" \
  53         "advance through tracing"
  54
  55     # Now play with tstatus a bit.
  56
  57     # Since support for notes, user, stop reason, etc. is optional, we
  58     # need to match both with and without cases.
  59
  60     set test "tstatus reports trace note"
  61     gdb_test_multiple "tstatus" $test {
  62         -re "Trace is running.*Trace will stop if GDB disconnects\.\[\r\n\]+Trace notes: my tracing note\.\[\r\n\]+Not looking at any trace frame\..*\r\n$gdb_prompt $" {
  63             pass $test
  64         }
  65         -re "Trace is running.*Trace will stop if GDB disconnects\.\[\r\n\]+Not looking at any trace frame.*\r\n$gdb_prompt $" {
  66             unsupported $test
  67         }
  68     }
  69
  70     gdb_test "set trace-notes different note" "" "change tracing note"
  71
  72     set test "tstatus reports different trace note"
  73     gdb_test_multiple "tstatus" $test {
  74         -re "Trace is running.*Trace will stop if GDB disconnects\.\[\r\n\]+Trace notes: different note\.\[\r\n\]+Not looking at any trace frame\..*\r\n$gdb_prompt $" {
  75             pass $test
  76         }
  77         -re "Trace is running.*Trace will stop if GDB disconnects\.\[\r\n\]+Not looking at any trace frame.*\r\n$gdb_prompt $" {
  78             unsupported $test
  79         }
  80     }
  81
  82     gdb_test "set trace-user me me me" "" "change tracing user"
  83
  84     set test "tstatus reports trace user"
  85     gdb_test_multiple "tstatus" $test {
  86         -re "Trace is running.*Trace will stop if GDB disconnects\.\[\r\n\]+Trace user is me me me\.\[\r\n\]+Trace notes: different note\.\[\r\n\]+Not looking at any trace frame\..*\r\n$gdb_prompt $" {
  87             pass $test
  88         }
  89         -re "Trace is running.*Trace will stop if GDB disconnects\.\[\r\n\]+Not looking at any trace frame.*\r\n$gdb_prompt $" {
  90             unsupported $test
  91         }
  92     }
  93
  94     gdb_test_no_output "tstop because I can" "trace stopped with note"
  95
  96     set test "tstatus reports trace stop reason"
  97     gdb_test_multiple "tstatus" $test {
  98         -re "(Trace stopped by a tstop command \\(because I can\\)\..*Trace will stop if GDB disconnects\.\[\r\n\]+Trace user is me me me\.\[\r\n\]+Trace notes: different note\.\[\r\n\]+Not looking at any trace frame\.).*\r\n$gdb_prompt $" {
  99             set tstatus_output $expect_out(1,string)
 100             pass $test
 101         }
 102         -re "(Trace stopped by a tstop command\.).*\r\n$gdb_prompt $" {
 103             set tstatus_output $expect_out(1,string)
 104             unsupported $test
 105         }
 106     }
 107
 108     set test "info trace reports tracepoint hit count and traceframe usage"
 109     gdb_test_multiple "info trace" $test {
 110         -re "actions\.c:\[0-9\]+\[\r\n\]+\[\t ]+tracepoint already hit 1 time\[\r\n\]+\[\t ]+trace buffer usage ${decimal} bytes\.\[\r\n\]+\[\t ]+collect parm.*\r\n$gdb_prompt $" {
 111             pass $test
 112         }
 113         -re "actions\.c:\[0-9\]+\[\r\n\]+\[\t ]+collect parm.*\r\n$gdb_prompt $" {
 114             unsupported $test
 115         }
 116     }
 117 }
 118
 119 proc test_tracepoints {} {
 120     global gdb_prompt
 121
 122     gdb_test "break begin" ".*" ""
 123
 124     gdb_test "break end" ".*" ""
 125
 126     gdb_test "trace gdb_c_test" "Tracepoint .*" \
 127         "tracepoint at gdb_c_test"
 128
 129     gdb_trace_setactions "collect at set_point: define actions" \
 130         "" \
 131         "collect parm" "^$"
 132
 133     run_trace_experiment
 134
 135 }
 136
 137 test_tracepoints
 138
 139 set tracefile [standard_output_file ${testfile}]
 140 # Save trace frames to tfile.
 141 gdb_test "tsave ${tracefile}.tf" \
 142     "Trace data saved to file '${tracefile}.tf'.*" \
 143     "save tfile trace file"
 144 # Save trace frames to CTF.
 145 gdb_test "tsave -ctf ${tracefile}.ctf" \
 146     "Trace data saved to directory '${tracefile}.ctf'.*" \
 147     "save ctf trace file"
 148
 149 # Change target to tfile.
 150 set test "change to tfile target"
 151 gdb_test_multiple "target tfile ${tracefile}.tf" "$test" {
 152     -re "A program is being debugged already.  Kill it. .y or n. " {
 153         send_gdb "y\n"
 154         exp_continue
 155     }
 156     -re "$gdb_prompt $" {
 157         pass "$test"
 158     }
 159 }
 160
 161 # Convert "(because I can) to "\(because I can\)"
 162 set tstatus_output [string map {\( \\(} $tstatus_output]
 163 set tstatus_output [string map {\) \\)} $tstatus_output]
 164
 165 # The status should be identical to the status of live inferior.
 166 gdb_test "tstatus" "Using a trace file\.\r\n${tstatus_output}.*" \
 167     "tstatus on tfile target"
 168
 169 # Change target to ctf if GDB supports.
 170 gdb_test_multiple "target ctf ${tracefile}.ctf" "" {
 171     -re "Undefined target command: \"ctf ${tracefile}.ctf\"\.  Try \"help target\"\.\r\n$gdb_prompt $" {
 172     }
 173     -re ".*\r\n$gdb_prompt $" {
 174         gdb_test "tstatus" "Using a trace file\.\r\n${tstatus_output}.*" \
 175             "tstatus on ctf target"
 176     }
 177 }