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

   1 #   Copyright 2008, 2009, 2010 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 ![target_info exists gdb,use_precord] {
  21     return
  22 }
  23
  24 set testfile "consecutive-reverse"
  25 set srcfile ${testfile}.c
  26
  27 if { [prepare_for_testing $testfile.exp $testfile $srcfile] } {
  28     return -1
  29 }
  30
  31 runto main
  32
  33 if [target_info exists gdb,use_precord] {
  34     # Activate process record/replay
  35     gdb_test "record" "" "Turn on process record"
  36     # FIXME: command ought to acknowledge, so we can test if it succeeded.
  37 }
  38
  39 set end_location  [gdb_get_line_number "end of main"  ]
  40 gdb_test "break $end_location" \
  41     "Breakpoint $decimal at .*/$srcfile, line $end_location\." \
  42     "BP at end of main"
  43
  44 gdb_test "continue" "Breakpoint .* end of main .*" "run to end of main"
  45
  46 gdb_test "record save consecutive.precsave" \
  47     "Saved core file consecutive.precsave with execution log\."  \
  48     "save process recfile"
  49
  50 gdb_test "kill" "" "Kill process, prepare to debug log file" \
  51     "Kill the program being debugged\\? \\(y or n\\) " "y"
  52
  53 gdb_test "record restore consecutive.precsave" \
  54     "Program terminated with signal .*" \
  55     "reload precord save file"
  56
  57 gdb_breakpoint foo
  58 gdb_test "continue" "Breakpoint $decimal, foo .*" \
  59         "continue to breakpoint in foo"
  60
  61 set foo1_addr 0
  62 set foo2_addr 0
  63 set stop_addr 0
  64
  65 gdb_test_multiple "x /2i \$pc" "get breakpoint address for foo" {
  66     global hex
  67     global foo1_addr
  68     global foo2_addr
  69     global gdb_prompt
  70
  71     -re "=> ($hex).*\[\r\n\]+   ($hex).*$gdb_prompt $" {
  72         set foo1_addr $expect_out(1,string)
  73         set foo2_addr $expect_out(2,string)
  74         pass "get breakpoint address for foo"
  75     }
  76 }
  77
  78 gdb_test "break \*$foo2_addr" "Breakpoint $decimal at $foo2_addr: file .*" \
  79         "set bp, 2nd instr"
  80
  81 set testmsg "stopped at bp, 2nd instr"
  82 gdb_test_multiple "step" $testmsg {
  83     -re "Breakpoint $decimal, ($hex) in foo.*$gdb_prompt $" {
  84         set stop_addr $expect_out(1,string)
  85         if [eval expr "$foo2_addr == $stop_addr"] then {
  86             pass "stopped at bp, 2nd instr"
  87         } else {
  88             fail "stopped at bp, 2nd instr (wrong address)"
  89         }
  90     }
  91 }
  92
  93 ###
  94 ###
  95 ###
  96
  97 # Set reverse execution direction
  98 # FIXME: command needs to acknowledge, so we can test if it succeeded.
  99
 100 gdb_test "set exec-dir reverse" "" "set reverse execution"
 101
 102 # Now step backward and hope to hit the first breakpoint.
 103
 104 set test_msg "stopped at bp in reverse, 1st instr"
 105 gdb_test_multiple "step" "$test_msg" {
 106     -re "Breakpoint $decimal, ($hex) in foo.*$gdb_prompt $" {
 107         set stop_addr $expect_out(1,string)
 108         if [eval expr "$foo1_addr == $stop_addr"] then {
 109             pass "$test_msg"
 110         } else {
 111             fail "$test_msg (wrong address)"
 112         }
 113     }
 114     -re "Breakpoint $decimal, foo.*$gdb_prompt $" {
 115         gdb_test "print \$pc == $foo1_addr" \
 116             "$decimal = 1" \
 117             "$test_msg"
 118     }
 119 }