gdb/testsuite/gdb.reverse/until-reverse.exp

   1 # Copyright 2008, 2009, 2010 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 is part of the GDB testsuite.  It tests 'until' and
  17 # 'advance' in reverse debugging.
  18
  19 if ![target_info exists gdb,can_reverse] {
  20     return
  21 }
  22
  23 set testfile "until-reverse"
  24 set srcfile ${testfile}.c
  25 set srcfile1 ur1.c
  26
  27 if { [prepare_for_testing $testfile.exp $testfile {until-reverse.c ur1.c} ] } {
  28     return -1
  29 }
  30
  31 set bp_location1  [gdb_get_line_number "set breakpoint 1 here"]
  32 set bp_location7  [gdb_get_line_number "set breakpoint 7 here"]
  33 set bp_location9  [gdb_get_line_number "set breakpoint 9 here" "$srcfile1"]
  34 set bp_location19 [gdb_get_line_number "set breakpoint 19 here"]
  35 set bp_location20 [gdb_get_line_number "set breakpoint 20 here"]
  36 set bp_location21 [gdb_get_line_number "set breakpoint 21 here"]
  37
  38 runto main
  39
  40 if [target_info exists gdb,use_precord] {
  41     # Activate process record/replay
  42     gdb_test_no_output "record" "Turn on process record"
  43 }
  44
  45 # Verify that plain vanilla "until <location>" works.
  46 #
  47 gdb_test "until $bp_location1" \
  48     "main .* at .*:$bp_location1.*" \
  49     "until line number"
  50
  51 # Advance up to factorial, outer invocation
  52 #
  53 gdb_test "advance factorial" \
  54     "factorial .value=6..*$srcfile:$bp_location7.*" \
  55     "advance to factorial"
  56
  57 # At this point, 'until' should continue the inferior up to when all the
  58 # inner invocations of factorial() are completed and we are back at this
  59 # frame.
  60 #
  61 gdb_test "until $bp_location19" \
  62     "factorial .value=720.*${srcfile}:$bp_location19.*" \
  63     "until factorial, recursive function"
  64
  65 # Finish out to main scope
  66 #
  67 gdb_test "finish" \
  68     " in main .*$srcfile:$bp_location1.*" \
  69     "finish to main"
  70
  71 # Advance to a function called by main (marker2)
  72 #
  73 gdb_test "advance marker2" \
  74     "marker2 .a=43.*$srcfile1:$bp_location9.*" \
  75     "advance to marker2"
  76
  77 # Now issue an until with another function, not called by the current
  78 # frame, as argument. This should not work, i.e. the program should
  79 # stop at main, the caller, where we put the 'guard' breakpoint.
  80 #
  81 set test_msg "until func, not called by current frame"
  82 gdb_test_multiple "until marker3" "$test_msg" {
  83     -re "main .*at .*${srcfile}:$bp_location20.*$gdb_prompt $" {
  84         pass "$test_msg"
  85     }
  86     -re "main .*at .*${srcfile}:$bp_location21.*$gdb_prompt $" {
  87         pass "$test_msg"
  88     }
  89 }
  90
  91 ###
  92 ###
  93 ###
  94
  95 # Set reverse execution direction
  96
  97 gdb_test_no_output "set exec-dir reverse" "set reverse execution"
  98
  99 #
 100 # We should now be at main, after the return from marker2.
 101 # "Advance" backward into marker2.
 102 #
 103
 104 gdb_test "advance marker2" \
 105     "marker2 .a=43.*$srcfile1:$bp_location9.*" \
 106     "reverse-advance to marker2"
 107
 108 # Finish out to main scope (backward)
 109
 110 gdb_test "finish" \
 111     " in main .*$srcfile:$bp_location20.*" \
 112     "reverse-finish from marker2"
 113
 114 # Advance backward to last line of factorial (outer invocation)
 115
 116 gdb_test "advance $bp_location19" \
 117     "factorial .value=720.*${srcfile}:$bp_location19.*" \
 118     "reverse-advance to final return of factorial"
 119
 120 # Now do "until" across the recursive calls,
 121 # ending up in the same frame where we are now.
 122
 123 gdb_test "until $bp_location7" \
 124     "factorial .value=6..*$srcfile:$bp_location7.*" \
 125     "reverse-until to entry of factorial"