gdb/testsuite/gdb.base/reread.exp

   1 # Copyright 1998, 2000, 2001 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 2 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, write to the Free Software
  15 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  16
  17 # Please email any bugs, comments, and/or additions to this file to:
  18 # bug-gdb@prep.ai.mit.edu
  19
  20 if $tracelevel then {
  21         strace $tracelevel
  22 }
  23
  24 set prms_id 0
  25 set bug_id 0
  26
  27 set prototypes 1
  28
  29 # build the first test case
  30
  31 set testfile1 "reread1"
  32 set srcfile1 ${testfile1}.c
  33 # Cygwin needs $EXEEXT.
  34 set binfile1 ${objdir}/${subdir}/${testfile1}$EXEEXT
  35
  36 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile1}" "${binfile1}" executable {debug nowarnings}] != "" } {
  37     untested reread.exp
  38     return -1
  39 }
  40
  41 # build the second test case
  42
  43 set testfile2 "reread2"
  44 set srcfile2 ${testfile2}.c
  45 set binfile2 ${objdir}/${subdir}/${testfile2}$EXEEXT
  46
  47 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile2}" "${binfile2}" executable {debug nowarnings}] != "" } {
  48     untested reread.exp
  49     return -1
  50 }
  51
  52 # Start with a fresh gdb.
  53
  54 set testfile "reread"
  55 set binfile ${objdir}/${subdir}/${testfile}$EXEEXT
  56
  57 gdb_start
  58 gdb_reinitialize_dir $srcdir/$subdir
  59
  60 set prms_id 13484
  61 set bug_id 0
  62
  63 # Load the first executable.
  64
  65 gdb_test "shell mv ${binfile1} ${binfile}" "" ""
  66 gdb_load ${binfile}
  67
  68 # Set a breakpoint at foo
  69
  70 gdb_test "break foo" \
  71     "Breakpoint.*at.* file .*$srcfile1, line 14.*" \
  72     "breakpoint foo in first file"
  73
  74
  75 # Run, should see "Breakpoint 1, foo () at hello1.c:14"
  76
  77 gdb_run_cmd
  78
  79 gdb_expect {
  80     -re ".*Breakpoint.* foo .* at .*$srcfile1:14.*$gdb_prompt $"  {
  81         pass "run to foo()";
  82     }
  83     -re ".*$gdb_prompt $" {
  84         fail "run to foo()";
  85         gdb_suppress_tests;
  86     }
  87     timeout { fail "run to foo() (timeout)" ; gdb_suppress_tests }
  88 }
  89
  90 # Restore first executable to its original name, and move
  91 # second executable into its place.  Ensure that the new
  92 # executable is at least a second newer than the old.
  93
  94 gdb_test "shell mv ${binfile} ${binfile1}" "" ""
  95 gdb_test "shell mv ${binfile2} ${binfile}" "" ""
  96 gdb_test "shell sleep 1" "" ""
  97 gdb_test "shell touch ${binfile}" "" ""
  98
  99 # Run a second time; GDB should detect that the executable has changed
 100 # and reset the breakpoints correctly.
 101 # Should see "Breakpoint 1, foo () at reread2.c:9"
 102
 103 set prms_id 0
 104
 105 if [is_remote target] {
 106     unsupported "run to foo() second time ";
 107 } else {
 108     gdb_run_cmd
 109     gdb_expect {
 110         #    -re ".*re-reading symbols.*Breakpoint.* foo .* at .*$srcfile2:9.*$gdb_prompt $" {}
 111         -re ".*Breakpoint.* foo .* at .*:9.*$gdb_prompt $" {
 112             pass "run to foo() second time ";
 113         }
 114         -re ".*$gdb_prompt $" {
 115             fail "run to foo() second time";
 116             gdb_suppress_tests;
 117         }
 118         timeout {
 119             fail "run to foo() second time (timeout)" ;
 120             gdb_suppress_tests
 121         }
 122     }
 123 }
 124
 125
 126 ### Second pass: verify that GDB checks the executable file's
 127 ### timestamp when the program is *restarted*, not just when it exits.
 128
 129 if [is_remote target] {
 130     unsupported "second pass: GDB should check for changes before running"
 131 } else {
 132
 133     # Put the older executable back in place.
 134     gdb_test "shell mv ${binfile} ${binfile2}" "" ""
 135     gdb_test "shell mv ${binfile1} ${binfile}" "" ""
 136
 137     # Restart GDB entirely.
 138     gdb_start
 139     gdb_reinitialize_dir $srcdir/$subdir
 140     gdb_load ${binfile}
 141
 142     # Set a breakpoint on foo and run to it.
 143     gdb_test "break foo" \
 144             "Breakpoint.*at.* file .*$srcfile1, line 14.*" \
 145             "second pass: breakpoint foo in first file"
 146     gdb_run_cmd
 147     gdb_expect {
 148         -re ".*Breakpoint.* foo .* at .*$srcfile1:14.*$gdb_prompt $"  {
 149             pass "second pass: run to foo()";
 150         }
 151         -re ".*$gdb_prompt $" {
 152             fail "second pass: run to foo()";
 153             gdb_suppress_tests;
 154         }
 155         timeout {
 156             fail "second pass: run to foo() (timeout)"
 157             gdb_suppress_tests
 158         }
 159     }
 160
 161     # This time, let the program run to completion.  If GDB checks the
 162     # executable file's timestamp now, it won't notice any change.
 163     gdb_test "continue" ".*Program exited.*" \
 164             "second pass: continue to completion"
 165
 166     # Now move the newer executable into place, and re-run.  GDB
 167     # should still notice that the executable file has changed,
 168     # and still re-set the breakpoint appropriately.
 169     gdb_test "shell mv ${binfile} ${binfile1}" "" ""
 170     gdb_test "shell mv ${binfile2} ${binfile}" "" ""
 171     gdb_run_cmd
 172     gdb_expect {
 173         -re ".*Breakpoint.* foo .* at .*:9.*$gdb_prompt $" {
 174             pass "second pass: run to foo() second time ";
 175         }
 176         -re ".*$gdb_prompt $" {
 177             fail "second pass: run to foo() second time";
 178             gdb_suppress_tests;
 179         }
 180         timeout {
 181             fail "second pass: run to foo() second time (timeout)" ;
 182             gdb_suppress_tests
 183         }
 184     }
 185 }
 186
 187 # End of tests.
 188
 189 gdb_stop_suppressing_tests
 190
 191 return 0