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

   1 #   Copyright 2008-2012 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 stepping over
  17 # consecutive instructions in a process record logfile.
  18
  19 # This test suitable only for process record-replay
  20 if ![supports_process_record] {
  21     return
  22 }
  23
  24 standard_testfile consecutive-reverse.c
  25
  26 if { [prepare_for_testing $testfile.exp $testfile $srcfile] } {
  27     return -1
  28 }
  29
  30 runto main
  31
  32 if [supports_process_record] {
  33     # Activate process record/replay
  34     gdb_test_no_output "record" "Turn on process record"
  35 }
  36
  37 set end_location  [gdb_get_line_number "end of main"  ]
  38 gdb_test "break $end_location" \
  39     "Breakpoint $decimal at .*/$srcfile, line $end_location\." \
  40     "BP at end of main"
  41
  42 gdb_test "continue" "Breakpoint .* end of main .*" "run to end of main"
  43
  44 gdb_test "record save consecutive.precsave" \
  45     "Saved core file consecutive.precsave with execution log\."  \
  46     "save process recfile"
  47
  48 gdb_test "kill" "" "Kill process, prepare to debug log file" \
  49     "Kill the program being debugged\\? \\(y or n\\) " "y"
  50
  51 gdb_test "record restore consecutive.precsave" \
  52     "Program terminated with signal .*" \
  53     "reload precord save file"
  54
  55 gdb_breakpoint foo
  56 gdb_test "continue" "Breakpoint $decimal, foo .*" \
  57         "continue to breakpoint in foo"
  58
  59 set foo1_addr 0
  60 set foo2_addr 0
  61 set stop_addr 0
  62
  63 gdb_test_multiple "x /2i \$pc" "get breakpoint address for foo" {
  64     global hex
  65     global foo1_addr
  66     global foo2_addr
  67     global gdb_prompt
  68
  69     -re "=> ($hex).*\[\r\n\]+   ($hex).*$gdb_prompt $" {
  70         set foo1_addr $expect_out(1,string)
  71         set foo2_addr $expect_out(2,string)
  72         pass "get breakpoint address for foo"
  73     }
  74 }
  75
  76 gdb_test "break \*$foo2_addr" "Breakpoint $decimal at $foo2_addr: file .*" \
  77         "set bp, 2nd instr"
  78
  79 set testmsg "stopped at bp, 2nd instr"
  80 gdb_test_multiple "step" $testmsg {
  81     -re "Breakpoint $decimal, ($hex) in foo.*$gdb_prompt $" {
  82         set stop_addr $expect_out(1,string)
  83         if [eval expr "$foo2_addr == $stop_addr"] then {
  84             pass "stopped at bp, 2nd instr"
  85         } else {
  86             fail "stopped at bp, 2nd instr (wrong address)"
  87         }
  88     }
  89 }
  90
  91 ###
  92 ###
  93 ###
  94
  95 # Set reverse execution direction
  96
  97 gdb_test_no_output "set exec-dir reverse" "set reverse execution"
  98
  99 # Now step backward and hope to hit the first breakpoint.
 100
 101 set test_msg "stopped at bp in reverse, 1st instr"
 102 gdb_test_multiple "step" "$test_msg" {
 103     -re "Breakpoint $decimal, ($hex) in foo.*$gdb_prompt $" {
 104         set stop_addr $expect_out(1,string)
 105         if [eval expr "$foo1_addr == $stop_addr"] then {
 106             pass "$test_msg"
 107         } else {
 108             fail "$test_msg (wrong address)"
 109         }
 110     }
 111     -re "Breakpoint $decimal, foo.*$gdb_prompt $" {
 112         gdb_test "print \$pc == $foo1_addr" \
 113             "$decimal = 1" \
 114             "$test_msg"
 115     }
 116 }