gdb/testsuite/gdb.trace/tsv.exp

   1 #   Copyright 2009-2013 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 load_lib "trace-support.exp";
  17
  18
  19 gdb_exit
  20 gdb_start
  21 standard_testfile actions.c
  22 if { [gdb_compile "$srcdir/$subdir/$srcfile" $binfile \
  23           executable {debug nowarnings}] != "" } {
  24     untested tsv.exp
  25     return -1
  26 }
  27 gdb_load $binfile
  28
  29 gdb_test "tvariable \$tvar1" \
  30   "Trace state variable \\\$tvar1 created, with initial value 0." \
  31   "Create a trace state variable"
  32
  33 gdb_test "tvariable \$tvar2 = 45" \
  34   "Trace state variable \\\$tvar2 created, with initial value 45." \
  35   "Create a trace state variable with initial value"
  36
  37 gdb_test "tvariable \$tvar2 = -92" \
  38   "Trace state variable \\\$tvar2 now has initial value -92." \
  39   "Change initial value of a trace state variable"
  40
  41 gdb_test "tvariable \$tvar3 = 2 + 3" \
  42   "Trace state variable \\\$tvar3 created, with initial value 5." \
  43   "Create a trace state variable with expression"
  44
  45 gdb_test "tvariable \$tvar3 = 1234567000000" \
  46   "Trace state variable \\\$tvar3 now has initial value 1234567000000." \
  47   "Init trace state variable to a 64-bit value"
  48
  49 gdb_test "tvariable $" \
  50   "Must supply a non-empty variable name" \
  51   "tvariable syntax error, not empty variable name"
  52
  53 gdb_test "tvariable main" \
  54   "Name of trace variable should start with '\\\$'" \
  55   "tvariable syntax error, bad name"
  56
  57 gdb_test "tvariable \$\$" \
  58   "Syntax must be \\\$NAME \\\[ = EXPR \\\]" \
  59   "tvariable syntax error, bad name 2"
  60
  61 gdb_test "tvariable \$123" \
  62   "\\\$123 is not a valid trace state variable name" \
  63   "tvariable syntax error, bad name 3"
  64
  65 gdb_test "tvariable \$tvar1 - 93" \
  66   "Syntax must be \\\$NAME \\\[ = EXPR \\\]" \
  67   "tvariable syntax error, not an assignment"
  68
  69 gdb_test "tvariable \$tvar0 = 1 = 1" \
  70   "Left operand of assignment is not an lvalue\." \
  71   "tvariable creation fails with invalid expression"
  72
  73 gdb_test "info tvariables" \
  74     "Name\[\t \]+Initial\[\t \]+Current.*
  75 \\\$tvar1\[\t \]+0\[\t \]+<undefined>.*
  76 \\\$tvar2\[\t \]+-92\[\t \]+<undefined>.*
  77 \\\$tvar3\[\t \]+1234567000000\[\t \]+.*<undefined>.*" \
  78   "List tvariables"
  79
  80 gdb_test "print \$tvar2" " = void" \
  81     "Print a trace state variable before run"
  82
  83 gdb_test_no_output "delete tvariable \$tvar2" \
  84   "delete trace state variable"
  85
  86 gdb_test "info tvariables" \
  87     "Name\[\t \]+Initial\[\t \]+Current.*
  88 \\\$tvar1\[\t \]+0\[\t \]+<undefined>.*
  89 \\\$tvar3\[\t \]+1234567000000\[\t \]+.*<undefined>.*" \
  90   "List tvariables after deletion"
  91
  92 gdb_test "delete tvariable" \
  93     "" \
  94     "Delete all trace state variables" \
  95     "Delete all trace state variables.*y or n.*$" \
  96     "y"
  97
  98 gdb_test "info tvariables" \
  99   "No trace state variables.*" \
 100   "List tvariables after deleting all"
 101
 102 # Now try running a trace.
 103
 104 runto_main
 105 gdb_reinitialize_dir $srcdir/$subdir
 106
 107 # The rest of the testing needs actual tracing to work.
 108 if { ![gdb_target_supports_trace] } then {
 109     unsupported "Current target does not support trace"
 110     return 1
 111 }
 112
 113 gdb_delete_tracepoints
 114 set trcpt1 [gdb_gettpnum gdb_c_test];
 115
 116 if { $trcpt1 <= 0 } then {
 117     fail "setting tracepoints"
 118     return;
 119 }
 120
 121 gdb_test "tvariable \$tvar5 = 15" \
 122   "Trace state variable \\\$tvar5 created, with initial value 15." \
 123   "Create a trace state variable tvar5"
 124
 125 gdb_trace_setactions "collect tsv for first tracepoint" \
 126         "$trcpt1" \
 127         "collect \$tvar5 += 1" "^$"
 128
 129 gdb_test_no_output "tstart" ""
 130
 131 gdb_test "print \$tvar5" " = 15" \
 132     "Print a trace state variable at start of run"
 133
 134 # Be sure not to fall off the end of the program.
 135 gdb_test "break end" ".*" ""
 136 gdb_test "continue" \
 137     "Continuing.*Breakpoint $decimal, end.*" \
 138     "run trace experiment"
 139
 140 gdb_test "print \$tvar5" " = 16" \
 141     "Print a trace state variable during run"
 142
 143 gdb_test_no_output "tstop" ""
 144
 145 # Save trace frames to tfile.
 146 set tracefile [standard_output_file ${testfile}]
 147 gdb_test "tsave ${tracefile}.tf" \
 148     "Trace data saved to file '${tracefile}.tf'.*" \
 149     "save tfile trace file"
 150
 151 proc check_tsv { data_source } {
 152     with_test_prefix "${data_source}" {
 153         gdb_test "tfind 0"
 154         gdb_test "print \$tvar5" " = 16" \
 155             "Print a trace state variable"
 156         gdb_test "tfind" \
 157             "Target failed to find requested trace frame.*"
 158     }
 159 }
 160
 161 # Check the tsv from the live inferior.
 162 check_tsv "live"
 163
 164 # Change target to tfile.
 165 set test "change to tfile target"
 166 gdb_test_multiple "target tfile ${tracefile}.tf" "$test" {
 167     -re "A program is being debugged already.  Kill it. .y or n. " {
 168         send_gdb "y\n"
 169         exp_continue
 170     }
 171     -re "$gdb_prompt $" {
 172         pass "$test"
 173     }
 174 }
 175
 176 # Check the tsv from tfile.
 177 check_tsv "tfile"