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

   1 # Copyright 2008-2024 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 require supports_reverse
  20
  21 standard_testfile .c ur1.c
  22
  23 if { [prepare_for_testing "failed to prepare" $testfile \
  24           [list $srcfile $srcfile2]] } {
  25     return -1
  26 }
  27
  28 set bp_location1  [gdb_get_line_number "set breakpoint 1 here"]
  29 set bp_location7  [gdb_get_line_number "set breakpoint 7 here"]
  30 set bp_location8  [gdb_get_line_number "set breakpoint 8 here" "$srcfile2"]
  31 set bp_location19 [gdb_get_line_number "set breakpoint 19 here"]
  32 set bp_location20 [gdb_get_line_number "set breakpoint 20 here"]
  33 set bp_location21 [gdb_get_line_number "set breakpoint 21 here"]
  34
  35 runto_main
  36
  37 if [supports_process_record] {
  38     # Activate process record/replay
  39     gdb_test_no_output "record" "turn on process record"
  40 }
  41
  42 # Verify that plain vanilla "until <location>" works.
  43 #
  44 gdb_test "until $bp_location1" \
  45     "main .* at .*:$bp_location1.*" \
  46     "until line number"
  47
  48 # Advance up to factorial, outer invocation
  49 #
  50 gdb_test_multiple "advance factorial" "" {
  51     -wrap -re "factorial .value=6..*$srcfile:$bp_location7.*" {
  52         pass $gdb_test_name
  53     }
  54     -wrap -re "Process record does not support instruction 0xfae64 at.*" {
  55         kfail "gdb/25038" $gdb_test_name
  56         return -1
  57     }
  58 }
  59
  60 # At this point, 'until' should continue the inferior up to when all the
  61 # inner invocations of factorial() are completed and we are back at this
  62 # frame.
  63 #
  64 gdb_test "until $bp_location19" \
  65     "factorial .value=720.*${srcfile}:$bp_location19.*" \
  66     "until factorial, recursive function"
  67
  68 # Finish out to main scope
  69 #
  70 gdb_test "finish" \
  71     "main .*$srcfile:.*" \
  72     "finish to main"
  73
  74 # Advance to a function called by main (marker2)
  75 #
  76 gdb_test "advance marker2" \
  77     "marker2 .a=43.*$srcfile2:$bp_location8.*" \
  78     "advance to marker2"
  79
  80 # Now issue an until with another function, not called by the current
  81 # frame, as argument. This should not work, i.e. the program should
  82 # stop at main, the caller, where we put the 'guard' breakpoint.
  83 #
  84 set test_msg "until func, not called by current frame"
  85 gdb_test_multiple "until marker3" "$test_msg" {
  86     -re "main .*at .*${srcfile}:$bp_location20.*$gdb_prompt $" {
  87         pass "$test_msg"
  88     }
  89     -re "main .*at .*${srcfile}:$bp_location21.*$gdb_prompt $" {
  90         pass "$test_msg"
  91     }
  92 }
  93
  94 ###
  95 ###
  96 ###
  97
  98 # Set reverse execution direction
  99
 100 gdb_test_no_output "set exec-dir reverse" "set reverse execution"
 101
 102 #
 103 # We should now be at main, after the return from marker2.
 104 # "Advance" backward into marker2.
 105 #
 106
 107 gdb_test "advance marker2" \
 108     "marker2 .a=43.*$srcfile2:$bp_location8.*" \
 109     "reverse-advance to marker2"
 110
 111 # Finish out to main scope (backward)
 112
 113 gdb_test "finish" \
 114     " in main .*$srcfile:$bp_location20.*" \
 115     "reverse-finish from marker2"
 116
 117 # Advance backward to last line of factorial (outer invocation)
 118
 119 gdb_test "advance $bp_location19" \
 120     "factorial .value=720.*${srcfile}:$bp_location19.*" \
 121     "reverse-advance to final return of factorial"
 122
 123 # Now do "until" across the recursive calls,
 124 # ending up in the same frame where we are now.
 125
 126 gdb_test "until $bp_location7" \
 127     "factorial .value=6..*$srcfile:$bp_location7.*" \
 128     "reverse-until to entry of factorial"