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