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

   1 #   Copyright 1998-2021 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 gdb_test "tstop"       ".*" ""
  37 gdb_test "tfind none"  ".*" ""
  38 runto_main
  39 gdb_reinitialize_dir $srcdir/$subdir
  40
  41 if { ![gdb_target_supports_trace] } then {
  42     unsupported "current target does not support trace"
  43     return 1
  44 }
  45
  46 #
  47 # test while-stepping dynamically (live target)
  48 #
  49
  50 proc test_while_stepping { while_stepping } {
  51     global fpreg
  52     global decimal
  53     global gdb_prompt
  54     global executable
  55
  56     clean_restart $executable
  57
  58     gdb_test "tstop" ".*" ""
  59     gdb_test "tfind none" ".*" ""
  60     runto_main
  61
  62     ## verify number of trace frames collected matches stepcount
  63
  64     gdb_delete_tracepoints
  65     gdb_test "trace gdb_c_test" \
  66         "Tracepoint $decimal at .*" \
  67         "$while_stepping: Set tracepoint at gdb_c_test"
  68
  69     gdb_trace_setactions "5.12: define $while_stepping <stepcount>" \
  70         "" \
  71         "collect \$$fpreg" "^$" \
  72         "$while_stepping 5" "^$" \
  73         "collect p" "^$" \
  74         "end" "^$" \
  75         "end" ""
  76
  77     gdb_test "tstart" ".*" ""
  78
  79     gdb_breakpoint "end" qualified
  80     gdb_test "continue" \
  81         "Continuing.*Breakpoint $decimal, end.*" \
  82         "$while_stepping: run trace experiment"
  83
  84     gdb_test "tstop" ".*" ""
  85
  86     gdb_tfind_test "$while_stepping: frame 5 should be the last one collected" "5" "5"
  87
  88     set test "$while_stepping: trace stopped after 5 stepping frames"
  89     gdb_test_multiple "tfind 6" "$test" {
  90         -re "failed to find.*$gdb_prompt $" {
  91             pass "$test"
  92         }
  93         -re ".*$gdb_prompt $" {
  94             fail "$test"
  95         }
  96     }
  97
  98     gdb_test "tfind none" ".*" ""
  99 }
 100
 101 # Test all while-stepping aliases.
 102
 103 test_while_stepping "while-stepping"
 104 test_while_stepping "stepping"
 105 test_while_stepping "ws"