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

   1 # Copyright 2008-2014 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 $testfile.exp $testfile \
  28           [list $srcfile $srcfile2]] } {
  29     return -1
  30 }
  31
  32 set bp_location1  [gdb_get_line_number "set breakpoint 1 here"]
  33 set bp_location7  [gdb_get_line_number "set breakpoint 7 here"]
  34 set bp_location9  [gdb_get_line_number "set breakpoint 9 here" "$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     "BP at end of main"
  50
  51 # This can take awhile.
  52 set savedtimeout $timeout
  53 if { [target_info exists gdb,timeout]
  54      && $timeout < [target_info gdb,timeout] } {
  55     set oldtimeout [target_info gdb,timeout]
  56 } else {
  57     set oldtimeout $timeout
  58 }
  59 set timeout [expr $oldtimeout * 15]
  60 gdb_test "continue" "Breakpoint .* set breakpoint 10a here .*" "run to end of main"
  61
  62 # So can this, against gdbserver, for example.
  63 set timeout [expr $oldtimeout * 3]
  64 gdb_test "record save $precsave" \
  65     "Saved core file $precsave with execution log\."  \
  66     "save process recfile"
  67 set timeout $savedtimeout
  68
  69 gdb_test "kill" "" "Kill process, prepare to debug log file" \
  70     "Kill the program being debugged\\? \\(y or n\\) " "y"
  71
  72 gdb_test "record restore $precsave" \
  73     "Program terminated with signal .*" \
  74     "reload core file"
  75
  76 # Verify that plain vanilla "until <location>" works.
  77 #
  78 gdb_test "until $bp_location1" \
  79     "main .* at .*:$bp_location1.*" \
  80     "until line number"
  81
  82 # Advance up to factorial, outer invocation
  83 #
  84 gdb_test "advance factorial" \
  85     "factorial .value=6..*$srcfile:$bp_location7.*" \
  86     "advance to factorial"
  87
  88 # At this point, 'until' should continue the inferior up to when all the
  89 # inner invocations of factorial() are completed and we are back at this
  90 # frame.
  91 #
  92 gdb_test "until $bp_location19" \
  93     "factorial .value=720.*${srcfile}:$bp_location19.*" \
  94     "until factorial, recursive function"
  95
  96 # Finish out to main scope
  97 #
  98 gdb_test "finish" \
  99     " in main .*$srcfile:$bp_location1.*" \
 100     "finish to main"
 101
 102 # Advance to a function called by main (marker2)
 103 #
 104 gdb_test "advance marker2" \
 105     "marker2 .a=43.*$srcfile2:$bp_location9.*" \
 106     "advance to marker2"
 107
 108 # Now issue an until with another function, not called by the current
 109 # frame, as argument. This should not work, i.e. the program should
 110 # stop at main, the caller, where we put the 'guard' breakpoint.
 111 #
 112 set test_msg "until func, not called by current frame"
 113 gdb_test_multiple "until marker3" "$test_msg" {
 114     -re "main .*at .*${srcfile}:$bp_location20.*$gdb_prompt $" {
 115         pass "$test_msg"
 116     }
 117     -re "main .*at .*${srcfile}:$bp_location21.*$gdb_prompt $" {
 118         pass "$test_msg"
 119     }
 120 }
 121
 122 ###
 123 ###
 124 ###
 125
 126 # Set reverse execution direction
 127
 128 gdb_test_no_output "set exec-dir reverse" "set reverse execution"
 129
 130 #
 131 # We should now be at main, after the return from marker2.
 132 # "Advance" backward into marker2.
 133 #
 134
 135 gdb_test "advance marker2" \
 136     "marker2 .a=43.*$srcfile2:$bp_location9.*" \
 137     "reverse-advance to marker2"
 138
 139 # Finish out to main scope (backward)
 140
 141 gdb_test "finish" \
 142     " in main .*$srcfile:$bp_location20.*" \
 143     "reverse-finish from marker2"
 144
 145 # Advance backward to last line of factorial (outer invocation)
 146
 147 gdb_test "advance $bp_location19" \
 148     "factorial .value=720.*${srcfile}:$bp_location19.*" \
 149     "reverse-advance to final return of factorial"
 150
 151 # Now do "until" across the recursive calls,
 152 # ending up in the same frame where we are now.
 153
 154 gdb_test "until $bp_location7" \
 155     "factorial .value=6..*$srcfile:$bp_location7.*" \
 156     "reverse-until to entry of factorial"