gdb/testsuite/gdb.base/reread.exp

   1 # Copyright 1998, 2000, 2001, 2007 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 # Please email any bugs, comments, and/or additions to this file to:
  17 # bug-gdb@prep.ai.mit.edu
  18
  19 if $tracelevel then {
  20         strace $tracelevel
  21 }
  22
  23 set prms_id 0
  24 set bug_id 0
  25
  26 set prototypes 1
  27
  28 # build the first test case
  29
  30 set testfile1 "reread1"
  31 set srcfile1 ${testfile1}.c
  32 # Cygwin needs $EXEEXT.
  33 set binfile1 ${objdir}/${subdir}/${testfile1}$EXEEXT
  34
  35 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile1}" "${binfile1}" executable {debug nowarnings}] != "" } {
  36     untested reread.exp
  37     return -1
  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 nowarnings}] != "" } {
  47     untested reread.exp
  48     return -1
  49 }
  50
  51 # Start with a fresh gdb.
  52
  53 set testfile "reread"
  54 set binfile ${objdir}/${subdir}/${testfile}$EXEEXT
  55
  56 gdb_start
  57 gdb_reinitialize_dir $srcdir/$subdir
  58
  59 set prms_id 13484
  60 set bug_id 0
  61
  62 # Load the first executable.
  63
  64 gdb_test "shell mv ${binfile1} ${binfile}" "" ""
  65 gdb_load ${binfile}
  66
  67 # Set a breakpoint at foo
  68
  69 gdb_test "break foo" \
  70     "Breakpoint.*at.* file .*$srcfile1, line 14.*" \
  71     "breakpoint foo in first file"
  72
  73
  74 # Run, should see "Breakpoint 1, foo () at hello1.c:14"
  75
  76 gdb_run_cmd
  77
  78 gdb_expect {
  79     -re ".*Breakpoint.* foo .* at .*$srcfile1:14.*$gdb_prompt $"  {
  80         pass "run to foo()";
  81     }
  82     -re ".*$gdb_prompt $" {
  83         fail "run to foo()";
  84         gdb_suppress_tests;
  85     }
  86     timeout { fail "run to foo() (timeout)" ; gdb_suppress_tests }
  87 }
  88
  89 # Restore first executable to its original name, and move
  90 # second executable into its place.  Ensure that the new
  91 # executable is at least a second newer than the old.
  92
  93 gdb_test "shell mv ${binfile} ${binfile1}" "" ""
  94 gdb_test "shell mv ${binfile2} ${binfile}" "" ""
  95 gdb_test "shell sleep 1" "" ""
  96 gdb_test "shell touch ${binfile}" "" ""
  97
  98 # Run a second time; GDB should detect that the executable has changed
  99 # and reset the breakpoints correctly.
 100 # Should see "Breakpoint 1, foo () at reread2.c:9"
 101
 102 set prms_id 0
 103
 104 if [is_remote target] {
 105     unsupported "run to foo() second time ";
 106 } else {
 107     gdb_run_cmd
 108     gdb_expect {
 109         #    -re ".*re-reading symbols.*Breakpoint.* foo .* at .*$srcfile2:9.*$gdb_prompt $" {}
 110         -re ".*Breakpoint.* foo .* at .*:9.*$gdb_prompt $" {
 111             pass "run to foo() second time ";
 112         }
 113         -re ".*$gdb_prompt $" {
 114             fail "run to foo() second time";
 115             gdb_suppress_tests;
 116         }
 117         timeout {
 118             fail "run to foo() second time (timeout)" ;
 119             gdb_suppress_tests
 120         }
 121     }
 122 }
 123
 124
 125 ### Second pass: verify that GDB checks the executable file's
 126 ### timestamp when the program is *restarted*, not just when it exits.
 127
 128 if [is_remote target] {
 129     unsupported "second pass: GDB should check for changes before running"
 130 } else {
 131
 132     # Put the older executable back in place.
 133     gdb_test "shell mv ${binfile} ${binfile2}" "" ""
 134     gdb_test "shell mv ${binfile1} ${binfile}" "" ""
 135
 136     # Restart GDB entirely.
 137     gdb_start
 138     gdb_reinitialize_dir $srcdir/$subdir
 139     gdb_load ${binfile}
 140
 141     # Set a breakpoint on foo and run to it.
 142     gdb_test "break foo" \
 143             "Breakpoint.*at.* file .*$srcfile1, line 14.*" \
 144             "second pass: breakpoint foo in first file"
 145     gdb_run_cmd
 146     gdb_expect {
 147         -re ".*Breakpoint.* foo .* at .*$srcfile1:14.*$gdb_prompt $"  {
 148             pass "second pass: run to foo()";
 149         }
 150         -re ".*$gdb_prompt $" {
 151             fail "second pass: run to foo()";
 152             gdb_suppress_tests;
 153         }
 154         timeout {
 155             fail "second pass: run to foo() (timeout)"
 156             gdb_suppress_tests
 157         }
 158     }
 159
 160     # This time, let the program run to completion.  If GDB checks the
 161     # executable file's timestamp now, it won't notice any change.
 162     gdb_test "continue" ".*Program exited.*" \
 163             "second pass: continue to completion"
 164
 165     # Now move the newer executable into place, and re-run.  GDB
 166     # should still notice that the executable file has changed,
 167     # and still re-set the breakpoint appropriately.
 168     gdb_test "shell mv ${binfile} ${binfile1}" "" ""
 169     gdb_test "shell mv ${binfile2} ${binfile}" "" ""
 170     gdb_run_cmd
 171     gdb_expect {
 172         -re ".*Breakpoint.* foo .* at .*:9.*$gdb_prompt $" {
 173             pass "second pass: run to foo() second time ";
 174         }
 175         -re ".*$gdb_prompt $" {
 176             fail "second pass: run to foo() second time";
 177             gdb_suppress_tests;
 178         }
 179         timeout {
 180             fail "second pass: run to foo() second time (timeout)" ;
 181             gdb_suppress_tests
 182         }
 183     }
 184 }
 185
 186 # End of tests.
 187
 188 gdb_stop_suppressing_tests
 189
 190 return 0