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

   1 # Copyright 2008-2016 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 "continue" "Breakpoint .* set breakpoint 10a here .*" "run to end of main"
  54 }
  55
  56 # So can this, against gdbserver, for example.
  57
  58 with_timeout_factor 10 {
  59     gdb_test "record save $precsave" \
  60         "Saved core file $precsave with execution log\."  \
  61         "save process recfile"
  62 }
  63
  64 gdb_test "kill" "" "kill process, prepare to debug log file" \
  65     "Kill the program being debugged\\? \\(y or n\\) " "y"
  66
  67 gdb_test "record restore $precsave" \
  68     "Restored records from core file .*" \
  69     "reload core file"
  70
  71 # Verify that plain vanilla "until <location>" works.
  72 #
  73 gdb_test "until $bp_location1" \
  74     "main .* at .*:$bp_location1.*" \
  75     "until line number"
  76
  77 # Advance up to factorial, outer invocation
  78 #
  79 gdb_test "advance factorial" \
  80     "factorial .value=6..*$srcfile:$bp_location7.*" \
  81     "advance to factorial"
  82
  83 # At this point, 'until' should continue the inferior up to when all the
  84 # inner invocations of factorial() are completed and we are back at this
  85 # frame.
  86 #
  87 gdb_test "until $bp_location19" \
  88     "factorial .value=720.*${srcfile}:$bp_location19.*" \
  89     "until factorial, recursive function"
  90
  91 # Finish out to main scope
  92 #
  93 gdb_test "finish" \
  94     "main .*$srcfile:.*" \
  95     "finish to main"
  96
  97 # Advance to a function called by main (marker2)
  98 #
  99 gdb_test "advance marker2" \
 100     "marker2 .a=43.*$srcfile2:$bp_location8.*" \
 101     "advance to marker2"
 102
 103 # Now issue an until with another function, not called by the current
 104 # frame, as argument. This should not work, i.e. the program should
 105 # stop at main, the caller, where we put the 'guard' breakpoint.
 106 #
 107 set test_msg "until func, not called by current frame"
 108 gdb_test_multiple "until marker3" "$test_msg" {
 109     -re "main .*at .*${srcfile}:$bp_location20.*$gdb_prompt $" {
 110         pass "$test_msg"
 111     }
 112     -re "main .*at .*${srcfile}:$bp_location21.*$gdb_prompt $" {
 113         pass "$test_msg"
 114     }
 115 }
 116
 117 ###
 118 ###
 119 ###
 120
 121 # Set reverse execution direction
 122
 123 gdb_test_no_output "set exec-dir reverse" "set reverse execution"
 124
 125 #
 126 # We should now be at main, after the return from marker2.
 127 # "Advance" backward into marker2.
 128 #
 129
 130 gdb_test "advance marker2" \
 131     "marker2 .a=43.*$srcfile2:$bp_location8.*" \
 132     "reverse-advance to marker2"
 133
 134 # Finish out to main scope (backward)
 135
 136 gdb_test "finish" \
 137     " in main .*$srcfile:$bp_location20.*" \
 138     "reverse-finish from marker2"
 139
 140 # Advance backward to last line of factorial (outer invocation)
 141
 142 gdb_test "advance $bp_location19" \
 143     "factorial .value=720.*${srcfile}:$bp_location19.*" \
 144     "reverse-advance to final return of factorial"
 145
 146 # Now do "until" across the recursive calls,
 147 # ending up in the same frame where we are now.
 148
 149 gdb_test "until $bp_location7" \
 150     "factorial .value=6..*$srcfile:$bp_location7.*" \
 151     "reverse-until to entry of factorial"