gdb/testsuite/gdb.trace/tstatus.exp

   1 # Copyright 2011-2019 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 ![gdb_trace_common_supports_arch] {
  22     unsupported "no trace-common.h support for arch"
  23     return -1
  24 }
  25
  26 if [prepare_for_testing "failed to prepare" $executable $srcfile \
  27         [list debug]] {
  28     return -1
  29 }
  30
  31 if ![runto_main] {
  32     fail "can't run to main to check for trace support"
  33     return -1
  34 }
  35
  36 if ![gdb_target_supports_trace] {
  37     unsupported "target does not support trace"
  38     return -1
  39 }
  40
  41 set tstatus_output ""
  42
  43 proc run_trace_experiment {} {
  44     global gdb_prompt
  45     global decimal
  46     global tstatus_output
  47
  48 #    gdb_test_no_output "set debug remote 1" ""
  49
  50     gdb_test "continue" \
  51         ".*Breakpoint \[0-9\]+, begin .*" \
  52         "advance to trace begin"
  53
  54     gdb_test_no_output "tstart my tracing note" "start trace experiment"
  55
  56     gdb_test "continue" \
  57         ".*Breakpoint \[0-9\]+, end .*" \
  58         "advance through tracing"
  59
  60     # Now play with tstatus a bit.
  61
  62     # Since support for notes, user, stop reason, etc. is optional, we
  63     # need to match both with and without cases.
  64
  65     set test "tstatus reports trace note"
  66     gdb_test_multiple "tstatus" $test {
  67         -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 $" {
  68             pass $test
  69         }
  70         -re "Trace is running.*Trace will stop if GDB disconnects\.\[\r\n\]+Not looking at any trace frame.*\r\n$gdb_prompt $" {
  71             unsupported $test
  72         }
  73     }
  74
  75     gdb_test "set trace-notes different note" "" "change tracing note"
  76
  77     set test "tstatus reports different trace note"
  78     gdb_test_multiple "tstatus" $test {
  79         -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 $" {
  80             pass $test
  81         }
  82         -re "Trace is running.*Trace will stop if GDB disconnects\.\[\r\n\]+Not looking at any trace frame.*\r\n$gdb_prompt $" {
  83             unsupported $test
  84         }
  85     }
  86
  87     gdb_test "set trace-user me me me" "" "change tracing user"
  88
  89     set test "tstatus reports trace user"
  90     gdb_test_multiple "tstatus" $test {
  91         -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 $" {
  92             pass $test
  93         }
  94         -re "Trace is running.*Trace will stop if GDB disconnects\.\[\r\n\]+Not looking at any trace frame.*\r\n$gdb_prompt $" {
  95             unsupported $test
  96         }
  97     }
  98
  99     gdb_test_no_output "tstop because I can" "trace stopped with note"
 100
 101     set test "tstatus reports trace stop reason"
 102     gdb_test_multiple "tstatus" $test {
 103         -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 $" {
 104             set tstatus_output $expect_out(1,string)
 105             pass $test
 106         }
 107         -re "(Trace stopped by a tstop command\.).*\r\n$gdb_prompt $" {
 108             set tstatus_output $expect_out(1,string)
 109             unsupported $test
 110         }
 111     }
 112
 113     set test "info trace reports tracepoint hit count and traceframe usage"
 114     gdb_test_multiple "info trace" $test {
 115         -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 $" {
 116             pass $test
 117         }
 118         -re "actions\.c:\[0-9\]+\[\r\n\]+\[\t ]+collect parm.*\r\n$gdb_prompt $" {
 119             unsupported $test
 120         }
 121     }
 122 }
 123
 124 proc test_tracepoints {} {
 125     global gdb_prompt
 126
 127     gdb_breakpoint "begin" qualified
 128
 129     gdb_breakpoint "end" qualified
 130
 131     gdb_test "trace gdb_c_test" "Tracepoint .*" \
 132         "tracepoint at gdb_c_test"
 133
 134     gdb_trace_setactions "collect at set_point: define actions" \
 135         "" \
 136         "collect parm" "^$"
 137
 138     run_trace_experiment
 139
 140 }
 141
 142 test_tracepoints
 143
 144 set tracefile [standard_output_file ${testfile}]
 145 # Save trace frames to tfile.
 146 gdb_test "tsave ${tracefile}.tf" \
 147     "Trace data saved to file '${tracefile}.tf'.*" \
 148     "save tfile trace file"
 149 # Save trace frames to CTF.
 150 gdb_test "tsave -ctf ${tracefile}.ctf" \
 151     "Trace data saved to directory '${tracefile}.ctf'.*" \
 152     "save ctf trace file"
 153
 154 # Change target to tfile.
 155 set test "change to tfile target"
 156 gdb_test_multiple "target tfile ${tracefile}.tf" "$test" {
 157     -re "A program is being debugged already.  Kill it. .y or n. " {
 158         send_gdb "y\n"
 159         exp_continue
 160     }
 161     -re "$gdb_prompt $" {
 162         pass "$test"
 163     }
 164 }
 165
 166 # Convert "(because I can) to "\(because I can\)"
 167 set tstatus_output [string map {\( \\(} $tstatus_output]
 168 set tstatus_output [string map {\) \\)} $tstatus_output]
 169
 170 # The status should be identical to the status of live inferior.
 171 gdb_test "tstatus" "Using a trace file\.\r\n${tstatus_output}.*" \
 172     "tstatus on tfile target"
 173
 174 # Change target to ctf if GDB supports.
 175 gdb_test_multiple "target ctf ${tracefile}.ctf" "" {
 176     -re "Undefined target command: \"ctf ${tracefile}.ctf\"\.  Try \"help target\"\.\r\n$gdb_prompt $" {
 177     }
 178     -re ".*\r\n$gdb_prompt $" {
 179         gdb_test "tstatus" "Using a trace file\.\r\n${tstatus_output}.*" \
 180             "tstatus on ctf target"
 181     }
 182 }