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