gdb/testsuite/gdb.base/reread.exp

   1 # Copyright 1998-2013 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 set prototypes 1
  17
  18 # build the first test case
  19
  20 set testfile1 "reread1"
  21 set srcfile1 ${testfile1}.c
  22 # Cygwin needs $EXEEXT.
  23 set binfile1 [standard_output_file ${testfile1}$EXEEXT]
  24
  25 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile1}" "${binfile1}" executable {debug nowarnings}] != "" } {
  26     untested reread.exp
  27     return -1
  28 }
  29
  30 # build the second test case
  31
  32 set testfile2 "reread2"
  33 set srcfile2 ${testfile2}.c
  34 set binfile2 [standard_output_file ${testfile2}$EXEEXT]
  35
  36 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile2}" "${binfile2}" executable {debug nowarnings}] != ""
  37       && [gdb_compile "${srcdir}/${subdir}/${srcfile2}" "${binfile2}" executable {debug nowarnings additional_flags=-DNO_SECTIONS}] != ""} {
  38     untested reread.exp
  39     return -1
  40 }
  41
  42 # Start with a fresh gdb.
  43
  44 set testfile "reread"
  45 set binfile [standard_output_file ${testfile}$EXEEXT]
  46
  47 gdb_start
  48 gdb_reinitialize_dir $srcdir/$subdir
  49
  50 # Load the first executable.
  51
  52 gdb_rename_execfile ${binfile1} ${binfile}
  53 gdb_load ${binfile}
  54
  55 # Set a breakpoint at foo
  56
  57 gdb_test "break foo" \
  58     "Breakpoint.*at.* file .*$srcfile1, line 14.*" \
  59     "breakpoint foo in first file"
  60
  61
  62 # Run, should see "Breakpoint 1, foo () at hello1.c:14"
  63
  64 gdb_run_cmd
  65
  66 gdb_expect {
  67     -re ".*Breakpoint.* foo .* at .*$srcfile1:14.*$gdb_prompt $"  {
  68         pass "run to foo()"
  69     }
  70     -re ".*$gdb_prompt $" {
  71         fail "run to foo()"
  72         gdb_suppress_tests
  73     }
  74     timeout { fail "run to foo() (timeout)" ; gdb_suppress_tests }
  75 }
  76
  77 # Restore first executable to its original name, and move
  78 # second executable into its place.  Ensure that the new
  79 # executable is at least a second newer than the old.
  80
  81 gdb_rename_execfile ${binfile} ${binfile1}
  82 gdb_rename_execfile ${binfile2} ${binfile}
  83 gdb_test "shell sleep 1" ".*" ""
  84 gdb_touch_execfile ${binfile}
  85
  86 # Run a second time; GDB should detect that the executable has changed
  87 # and reset the breakpoints correctly.
  88 # Should see "Breakpoint 1, foo () at reread2.c:9"
  89
  90 if [is_remote target] {
  91     unsupported "run to foo() second time "
  92 } else {
  93     gdb_run_cmd
  94     gdb_expect {
  95         #    -re ".*re-reading symbols.*Breakpoint.* foo .* at .*$srcfile2:9.*$gdb_prompt $" {}
  96         -re ".*Breakpoint.* foo .* at .*:9.*$gdb_prompt $" {
  97             pass "run to foo() second time "
  98         }
  99         -re ".*$gdb_prompt $" {
 100             fail "run to foo() second time"
 101             gdb_suppress_tests
 102         }
 103         timeout {
 104             fail "run to foo() second time (timeout)"
 105             gdb_suppress_tests
 106         }
 107     }
 108 }
 109
 110
 111 ### Second pass: verify that GDB checks the executable file's
 112 ### timestamp when the program is *restarted*, not just when it exits.
 113
 114 if [is_remote target] {
 115     unsupported "second pass: GDB should check for changes before running"
 116 } else {
 117
 118     # Put the older executable back in place.
 119     gdb_rename_execfile ${binfile} ${binfile2}
 120     gdb_rename_execfile ${binfile1} ${binfile}
 121
 122     # Restart GDB entirely.
 123     gdb_start
 124     gdb_reinitialize_dir $srcdir/$subdir
 125     gdb_load ${binfile}
 126
 127     # Set a breakpoint on foo and run to it.
 128     gdb_test "break foo" \
 129             "Breakpoint.*at.* file .*$srcfile1, line 14.*" \
 130             "second pass: breakpoint foo in first file"
 131     gdb_run_cmd
 132     gdb_expect {
 133         -re ".*Breakpoint.* foo .* at .*$srcfile1:14.*$gdb_prompt $"  {
 134             pass "second pass: run to foo()"
 135         }
 136         -re ".*$gdb_prompt $" {
 137             fail "second pass: run to foo()"
 138             gdb_suppress_tests
 139         }
 140         timeout {
 141             fail "second pass: run to foo() (timeout)"
 142             gdb_suppress_tests
 143         }
 144     }
 145
 146     # This time, let the program run to completion.  If GDB checks the
 147     # executable file's timestamp now, it won't notice any change.
 148     gdb_continue_to_end "second pass"
 149
 150     # Now move the newer executable into place, and re-run.  GDB
 151     # should still notice that the executable file has changed,
 152     # and still re-set the breakpoint appropriately.
 153     gdb_rename_execfile ${binfile} ${binfile1}
 154     gdb_rename_execfile ${binfile2} ${binfile}
 155     gdb_run_cmd
 156     gdb_expect {
 157         -re ".*Breakpoint.* foo .* at .*:9.*$gdb_prompt $" {
 158             pass "second pass: run to foo() second time "
 159         }
 160         -re ".*$gdb_prompt $" {
 161             fail "second pass: run to foo() second time"
 162             gdb_suppress_tests
 163         }
 164         timeout {
 165             fail "second pass: run to foo() second time (timeout)"
 166             gdb_suppress_tests
 167         }
 168     }
 169 }
 170
 171 # End of tests.
 172
 173 gdb_stop_suppressing_tests
 174
 175 return 0