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

   1 # Copyright 2008-2022 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 is part of the GDB testsuite.  It tests 'until' and
  17 # 'advance' in precord logfile.
  18
  19 # This test suitable only for process record-replay
  20 if ![supports_process_record] {
  21     return
  22 }
  23
  24 standard_testfile until-reverse.c ur1.c
  25 set precsave [standard_output_file until.precsave]
  26
  27 if { [prepare_for_testing "failed to prepare" $testfile \
  28           [list $srcfile $srcfile2]] } {
  29     return -1
  30 }
  31
  32 set bp_location1  [gdb_get_line_number "set breakpoint 1 here"]
  33 set bp_location7  [gdb_get_line_number "set breakpoint 7 here"]
  34 set bp_location8  [gdb_get_line_number "set breakpoint 8 here" "$srcfile2"]
  35 set bp_location19 [gdb_get_line_number "set breakpoint 19 here"]
  36 set bp_location20 [gdb_get_line_number "set breakpoint 20 here"]
  37 set bp_location21 [gdb_get_line_number "set breakpoint 21 here"]
  38
  39 runto_main
  40
  41 if [supports_process_record] {
  42     # Activate process record/replay
  43     gdb_test_no_output "record" "turn on process record"
  44 }
  45
  46 set end_of_main [gdb_get_line_number "set breakpoint 10a here" ]
  47 gdb_test "break $end_of_main" \
  48     "Breakpoint $decimal at .*$srcfile, line $end_of_main\." \
  49     "breakpoint at end of main"
  50
  51 # This can take awhile.
  52 with_timeout_factor 20 {
  53     gdb_test_multiple "continue" "run to end of main" {
  54         -wrap -re "Breakpoint .* set breakpoint 10a here .*" {
  55             pass $gdb_test_name
  56         }
  57         -wrap -re "Process record does not support instruction 0xfae64 at.*" {
  58             kfail "gdb/25038" $gdb_test_name
  59             return -1
  60         }
  61     }
  62 }
  63
  64 # So can this, against gdbserver, for example.
  65
  66 with_timeout_factor 10 {
  67     gdb_test "record save $precsave" \
  68         "Saved core file $precsave with execution log\."  \
  69         "save process recfile"
  70 }
  71
  72 gdb_test "kill" "" "kill process, prepare to debug log file" \
  73     "Kill the program being debugged\\? \\(y or n\\) " "y"
  74
  75 gdb_test "record restore $precsave" \
  76     "Restored records from core file .*" \
  77     "reload core file"
  78
  79 # Verify that plain vanilla "until <location>" works.
  80 #
  81 gdb_test "until $bp_location1" \
  82     "main .* at .*:$bp_location1.*" \
  83     "until line number"
  84
  85 # Advance up to factorial, outer invocation
  86 #
  87 gdb_test "advance factorial" \
  88     "factorial .value=6..*$srcfile:$bp_location7.*" \
  89     "advance to factorial"
  90
  91 # At this point, 'until' should continue the inferior up to when all the
  92 # inner invocations of factorial() are completed and we are back at this
  93 # frame.
  94 #
  95 gdb_test "until $bp_location19" \
  96     "factorial .value=720.*${srcfile}:$bp_location19.*" \
  97     "until factorial, recursive function"
  98
  99 # Finish out to main scope
 100 #
 101 gdb_test "finish" \
 102     "main .*$srcfile:.*" \
 103     "finish to main"
 104
 105 # Advance to a function called by main (marker2)
 106 #
 107 gdb_test "advance marker2" \
 108     "marker2 .a=43.*$srcfile2:$bp_location8.*" \
 109     "advance to marker2"
 110
 111 # Now issue an until with another function, not called by the current
 112 # frame, as argument. This should not work, i.e. the program should
 113 # stop at main, the caller, where we put the 'guard' breakpoint.
 114 #
 115 set test_msg "until func, not called by current frame"
 116 gdb_test_multiple "until marker3" "$test_msg" {
 117     -re "main .*at .*${srcfile}:$bp_location20.*$gdb_prompt $" {
 118         pass "$test_msg"
 119     }
 120     -re "main .*at .*${srcfile}:$bp_location21.*$gdb_prompt $" {
 121         pass "$test_msg"
 122     }
 123 }
 124
 125 ###
 126 ###
 127 ###
 128
 129 # Set reverse execution direction
 130
 131 gdb_test_no_output "set exec-dir reverse" "set reverse execution"
 132
 133 #
 134 # We should now be at main, after the return from marker2.
 135 # "Advance" backward into marker2.
 136 #
 137
 138 gdb_test "advance marker2" \
 139     "marker2 .a=43.*$srcfile2:$bp_location8.*" \
 140     "reverse-advance to marker2"
 141
 142 # Finish out to main scope (backward)
 143
 144 gdb_test "finish" \
 145     " in main .*$srcfile:$bp_location20.*" \
 146     "reverse-finish from marker2"
 147
 148 # Advance backward to last line of factorial (outer invocation)
 149
 150 gdb_test "advance $bp_location19" \
 151     "factorial .value=720.*${srcfile}:$bp_location19.*" \
 152     "reverse-advance to final return of factorial"
 153
 154 # Now do "until" across the recursive calls,
 155 # ending up in the same frame where we are now.
 156
 157 gdb_test "until $bp_location7" \
 158     "factorial .value=6..*$srcfile:$bp_location7.*" \
 159     "reverse-until to entry of factorial"