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

   1 #   Copyright 1998-2022 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 $testfile
  26 if ![gdb_trace_common_supports_arch] {
  27     unsupported "no trace-common.h support for arch"
  28     return -1
  29 }
  30 if { [gdb_compile "$srcdir/$subdir/$srcfile" $binfile \
  31           executable {debug nowarnings}] != "" } {
  32     untested "failed to compile"
  33     return -1
  34 }
  35 gdb_load $binfile
  36 runto_main
  37 gdb_reinitialize_dir $srcdir/$subdir
  38
  39 if { ![gdb_target_supports_trace] } then {
  40     unsupported "current target does not support trace"
  41     return 1
  42 }
  43
  44 #
  45 # test while-stepping dynamically (live target)
  46 #
  47
  48 proc test_while_stepping { while_stepping } {
  49     global fpreg
  50     global decimal
  51     global gdb_prompt
  52     global executable
  53
  54     with_test_prefix "$while_stepping" {
  55         clean_restart $executable
  56
  57         runto_main
  58
  59         ## verify number of trace frames collected matches stepcount
  60
  61         gdb_delete_tracepoints
  62         gdb_test "trace gdb_c_test" \
  63             "Tracepoint $decimal at .*" \
  64             "Set tracepoint at gdb_c_test"
  65
  66         gdb_trace_setactions "define $while_stepping <stepcount>" \
  67             "" \
  68             "collect \$$fpreg" "^$" \
  69             "$while_stepping 5" "^$" \
  70             "collect p" "^$" \
  71             "end" "^$" \
  72             "end" ""
  73
  74         gdb_test "tstart" ".*"
  75
  76         gdb_breakpoint "end" qualified
  77         gdb_test "continue" \
  78             "Continuing.*Breakpoint $decimal, end.*" \
  79             "run trace experiment"
  80
  81         gdb_test "tstop" ".*"
  82
  83         gdb_tfind_test "frame 5 should be the last one collected" "5" "5"
  84
  85         gdb_test "tfind 6" "failed to find.*" \
  86             "trace stopped after 5 stepping frames"
  87
  88         gdb_test "tfind none" ".*"
  89     }
  90 }
  91
  92 # Test all while-stepping aliases.
  93
  94 test_while_stepping "while-stepping"
  95 test_while_stepping "stepping"
  96 test_while_stepping "ws"