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

   1 #   Copyright 1998, 2007, 2008, 2009, 2010, 2011
   2 #   Free Software Foundation, Inc.
   3 #
   4 # This program is free software; you can redistribute it and/or modify
   5 # it under the terms of the GNU General Public License as published by
   6 # the Free Software Foundation; either version 3 of the License, or
   7 # (at your option) any later version.
   8 #
   9 # This program is distributed in the hope that it will be useful,
  10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 # GNU General Public License for more details.
  13 #
  14 # You should have received a copy of the GNU General Public License
  15 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16
  17 # This file was written by Michael Snyder (msnyder@cygnus.com)
  18
  19 load_lib "trace-support.exp"
  20
  21 if $tracelevel then {
  22     strace $tracelevel
  23 }
  24
  25
  26 gdb_exit
  27 gdb_start
  28
  29 set testfile "actions"
  30 set srcfile $testfile.c
  31 set executable while-dyn
  32 set binfile $objdir/$subdir/$executable
  33 if { [gdb_compile "$srcdir/$subdir/$srcfile" $binfile \
  34           executable {debug nowarnings}] != "" } {
  35     untested while-dyn.exp
  36     return -1
  37 }
  38 gdb_load $binfile
  39 gdb_test "tstop"       ".*" ""
  40 gdb_test "tfind none"  ".*" ""
  41 runto_main
  42 gdb_reinitialize_dir $srcdir/$subdir
  43
  44 # We generously give ourselves one "pass" if we successfully
  45 # detect that this test cannot be run on this target!
  46 if { ![gdb_target_supports_trace] } then {
  47     pass "Current target does not support trace"
  48     return 1;
  49 }
  50
  51 #
  52 # test while-stepping dynamically (live target)
  53 #
  54
  55 if [istarget "x86_64-*"] then {
  56     set fpreg "\$rbp"
  57 } elseif [istarget "i?86-*"] then {
  58     set fpreg "\$ebp"
  59 } else {
  60     set fpreg "\$fp"
  61 }
  62
  63 proc test_while_stepping { while_stepping } {
  64     global fpreg
  65     global decimal
  66     global gdb_prompt
  67     global executable
  68
  69     clean_restart $executable
  70
  71     gdb_test "tstop" ".*" ""
  72     gdb_test "tfind none" ".*" ""
  73     runto_main
  74
  75     ## verify number of trace frames collected matches stepcount
  76
  77     gdb_delete_tracepoints
  78     gdb_test "trace gdb_c_test" \
  79         "Tracepoint $decimal at .*" \
  80         "$while_stepping: Set tracepoint at gdb_c_test"
  81
  82     gdb_trace_setactions "5.12: define $while_stepping <stepcount>" \
  83         "" \
  84         "collect $fpreg" "^$" \
  85         "$while_stepping 5" "^$" \
  86         "collect p" "^$" \
  87         "end" "^$" \
  88         "end" ""
  89
  90     gdb_test "tstart" ".*" ""
  91
  92     gdb_test "break end" ".*" ""
  93     gdb_test "continue" \
  94         "Continuing.*Breakpoint $decimal, end.*" \
  95         "$while_stepping: run trace experiment"
  96
  97     gdb_test "tstop" ".*" ""
  98
  99     gdb_tfind_test "$while_stepping: frame 5 should be the last one collected" "5" "5"
 100
 101     set test "$while_stepping: trace stopped after 5 stepping frames"
 102     gdb_test_multiple "tfind 6" "$test" {
 103         -re "failed to find.*$gdb_prompt $" {
 104             pass "$test"
 105         }
 106         -re ".*$gdb_prompt $" {
 107             fail "$test"
 108         }
 109     }
 110
 111     gdb_test "tfind none" ".*" ""
 112 }
 113
 114 # Test all while-stepping aliases.
 115
 116 test_while_stepping "while-stepping"
 117 test_while_stepping "stepping"
 118 test_while_stepping "ws"