gdb/testsuite/gdb.trace/tstatus.exp

   1 # Copyright 2011-2024 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 require gdb_trace_common_supports_arch
  22
  23 if [prepare_for_testing "failed to prepare" $executable $srcfile \
  24         [list debug]] {
  25     return -1
  26 }
  27
  28 if ![runto_main] {
  29     return -1
  30 }
  31
  32 if ![gdb_target_supports_trace] {
  33     unsupported "target does not support trace"
  34     return -1
  35 }
  36
  37 set tstatus_output ""
  38
  39 proc run_trace_experiment {} {
  40     global gdb_prompt
  41     global decimal
  42     global tstatus_output
  43
  44 #    gdb_test_no_output "set debug remote 1" ""
  45
  46     gdb_test "continue" \
  47         ".*Breakpoint \[0-9\]+, begin .*" \
  48         "advance to trace begin"
  49
  50     gdb_test_no_output "tstart my tracing note" "start trace experiment"
  51
  52     gdb_test "continue" \
  53         ".*Breakpoint \[0-9\]+, end .*" \
  54         "advance through tracing"
  55
  56     # Now play with tstatus a bit.
  57
  58     # Since support for notes, user, stop reason, etc. is optional, we
  59     # need to match both with and without cases.
  60
  61     set test "tstatus reports trace note"
  62     gdb_test_multiple "tstatus" $test {
  63         -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 $" {
  64             pass $test
  65         }
  66         -re "Trace is running.*Trace will stop if GDB disconnects\.\[\r\n\]+Not looking at any trace frame.*\r\n$gdb_prompt $" {
  67             unsupported $test
  68         }
  69     }
  70
  71     gdb_test "set trace-notes different note" "" "change tracing note"
  72
  73     set test "tstatus reports different trace note"
  74     gdb_test_multiple "tstatus" $test {
  75         -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 $" {
  76             pass $test
  77         }
  78         -re "Trace is running.*Trace will stop if GDB disconnects\.\[\r\n\]+Not looking at any trace frame.*\r\n$gdb_prompt $" {
  79             unsupported $test
  80         }
  81     }
  82
  83     gdb_test "set trace-user me me me" "" "change tracing user"
  84
  85     set test "tstatus reports trace user"
  86     gdb_test_multiple "tstatus" $test {
  87         -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 $" {
  88             pass $test
  89         }
  90         -re "Trace is running.*Trace will stop if GDB disconnects\.\[\r\n\]+Not looking at any trace frame.*\r\n$gdb_prompt $" {
  91             unsupported $test
  92         }
  93     }
  94
  95     gdb_test_no_output "tstop because I can" "trace stopped with note"
  96
  97     set test "tstatus reports trace stop reason"
  98     gdb_test_multiple "tstatus" $test {
  99         -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 $" {
 100             set tstatus_output $expect_out(1,string)
 101             pass $test
 102         }
 103         -re "(Trace stopped by a tstop command\.).*\r\n$gdb_prompt $" {
 104             set tstatus_output $expect_out(1,string)
 105             unsupported $test
 106         }
 107     }
 108
 109     set test "info trace reports tracepoint hit count and traceframe usage"
 110     gdb_test_multiple "info trace" $test {
 111         -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 $" {
 112             pass $test
 113         }
 114         -re "actions\.c:\[0-9\]+\[\r\n\]+\[\t ]+collect parm.*\r\n$gdb_prompt $" {
 115             unsupported $test
 116         }
 117     }
 118 }
 119
 120 proc test_tracepoints {} {
 121     global gdb_prompt
 122
 123     gdb_breakpoint "begin" qualified
 124
 125     gdb_breakpoint "end" qualified
 126
 127     gdb_test "trace gdb_c_test" "Tracepoint .*" \
 128         "tracepoint at gdb_c_test"
 129
 130     gdb_trace_setactions "collect at set_point: define actions" \
 131         "" \
 132         "collect parm" "^$"
 133
 134     run_trace_experiment
 135
 136 }
 137
 138 test_tracepoints
 139
 140 set tracefile [standard_output_file ${testfile}]
 141 # Save trace frames to tfile.
 142 gdb_test "tsave ${tracefile}.tf" \
 143     "Trace data saved to file '${tracefile}.tf'.*" \
 144     "save tfile trace file"
 145 # Save trace frames to CTF.
 146 gdb_test "tsave -ctf ${tracefile}.ctf" \
 147     "Trace data saved to directory '${tracefile}.ctf'.*" \
 148     "save ctf trace file"
 149
 150 # Change target to tfile.
 151 set test "change to tfile target"
 152 gdb_test_multiple "target tfile ${tracefile}.tf" "$test" {
 153     -re "A program is being debugged already.  Kill it. .y or n. " {
 154         send_gdb "y\n"
 155         exp_continue
 156     }
 157     -re "$gdb_prompt $" {
 158         pass "$test"
 159     }
 160 }
 161
 162 # Convert "(because I can) to "\(because I can\)"
 163 set tstatus_output [string map {\( \\(} $tstatus_output]
 164 set tstatus_output [string map {\) \\)} $tstatus_output]
 165
 166 # The status should be identical to the status of live inferior.
 167 gdb_test "tstatus" "Using a trace file\.\r\n${tstatus_output}.*" \
 168     "tstatus on tfile target"
 169
 170 # Change target to ctf if GDB supports.
 171 gdb_test_multiple "target ctf ${tracefile}.ctf" "" {
 172     -re "Undefined target command: \"ctf ${tracefile}.ctf\"\.  Try \"help target\"\.\r\n$gdb_prompt $" {
 173     }
 174     -re ".*\r\n$gdb_prompt $" {
 175         gdb_test "tstatus" "Using a trace file\.\r\n${tstatus_output}.*" \
 176             "tstatus on ctf target"
 177     }
 178 }