gdb/testsuite/gdb.trace/while-dyn.exp

   1 #   Copyright 1998-2018 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 # This file was written by Michael Snyder (msnyder@cygnus.com)
  17
  18 load_lib "trace-support.exp"
  19
  20
  21 gdb_exit
  22 gdb_start
  23
  24 standard_testfile actions.c
  25 set executable $testfile
  26 if { [gdb_compile "$srcdir/$subdir/$srcfile" $binfile \
  27           executable {debug nowarnings}] != "" } {
  28     untested "failed to compile"
  29     return -1
  30 }
  31 gdb_load $binfile
  32 gdb_test "tstop"       ".*" ""
  33 gdb_test "tfind none"  ".*" ""
  34 runto_main
  35 gdb_reinitialize_dir $srcdir/$subdir
  36
  37 if { ![gdb_target_supports_trace] } then {
  38     unsupported "current target does not support trace"
  39     return 1
  40 }
  41
  42 #
  43 # test while-stepping dynamically (live target)
  44 #
  45
  46 proc test_while_stepping { while_stepping } {
  47     global fpreg
  48     global decimal
  49     global gdb_prompt
  50     global executable
  51
  52     clean_restart $executable
  53
  54     gdb_test "tstop" ".*" ""
  55     gdb_test "tfind none" ".*" ""
  56     runto_main
  57
  58     ## verify number of trace frames collected matches stepcount
  59
  60     gdb_delete_tracepoints
  61     gdb_test "trace gdb_c_test" \
  62         "Tracepoint $decimal at .*" \
  63         "$while_stepping: Set tracepoint at gdb_c_test"
  64
  65     gdb_trace_setactions "5.12: define $while_stepping <stepcount>" \
  66         "" \
  67         "collect \$$fpreg" "^$" \
  68         "$while_stepping 5" "^$" \
  69         "collect p" "^$" \
  70         "end" "^$" \
  71         "end" ""
  72
  73     gdb_test "tstart" ".*" ""
  74
  75     gdb_breakpoint "end" qualified
  76     gdb_test "continue" \
  77         "Continuing.*Breakpoint $decimal, end.*" \
  78         "$while_stepping: run trace experiment"
  79
  80     gdb_test "tstop" ".*" ""
  81
  82     gdb_tfind_test "$while_stepping: frame 5 should be the last one collected" "5" "5"
  83
  84     set test "$while_stepping: trace stopped after 5 stepping frames"
  85     gdb_test_multiple "tfind 6" "$test" {
  86         -re "failed to find.*$gdb_prompt $" {
  87             pass "$test"
  88         }
  89         -re ".*$gdb_prompt $" {
  90             fail "$test"
  91         }
  92     }
  93
  94     gdb_test "tfind none" ".*" ""
  95 }
  96
  97 # Test all while-stepping aliases.
  98
  99 test_while_stepping "while-stepping"
 100 test_while_stepping "stepping"
 101 test_while_stepping "ws"