1# Copyright 1998-2015 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 16set prototypes 1 17 18# build the first test case 19 20set testfile1 "reread1" 21set srcfile1 ${testfile1}.c 22# Cygwin needs $EXEEXT. 23set binfile1 [standard_output_file ${testfile1}$EXEEXT] 24 25if { [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 32set testfile2 "reread2" 33set srcfile2 ${testfile2}.c 34set binfile2 [standard_output_file ${testfile2}$EXEEXT] 35 36if { [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 44set testfile "reread" 45set binfile [standard_output_file ${testfile}$EXEEXT] 46 47gdb_start 48gdb_reinitialize_dir $srcdir/$subdir 49 50# Load the first executable. 51 52gdb_rename_execfile ${binfile1} ${binfile} 53gdb_load ${binfile} 54 55# Set a breakpoint at foo 56 57gdb_test "break foo" \ 58 "Breakpoint.*at.* file .*$srcfile1, line 14.*" \ 59 "breakpoint foo in first file" 60 61 62# Run, should see "Breakpoint 1, foo () at hello1.c:14" 63 64gdb_run_cmd 65gdb_test "" "Breakpoint.* foo .* at .*$srcfile1:14.*" "run to foo()" 66 67# Restore first executable to its original name, and move 68# second executable into its place. Ensure that the new 69# executable is at least a second newer than the old. 70 71gdb_rename_execfile ${binfile} ${binfile1} 72gdb_rename_execfile ${binfile2} ${binfile} 73gdb_test "shell sleep 1" ".*" "" 74gdb_touch_execfile ${binfile} 75 76# Run a second time; GDB should detect that the executable has changed 77# and reset the breakpoints correctly. 78# Should see "Breakpoint 1, foo () at reread2.c:9" 79 80set test "run to foo() second time" 81if [is_remote target] { 82 unsupported $test 83} else { 84 gdb_run_cmd 85 gdb_test "" "Breakpoint.* foo .* at .*:9.*" $test 86} 87 88 89### Second pass: verify that GDB checks the executable file's 90### timestamp when the program is *restarted*, not just when it exits. 91 92if [is_remote target] { 93 unsupported "second pass: GDB should check for changes before running" 94} else { 95 96 # Put the older executable back in place. 97 gdb_rename_execfile ${binfile} ${binfile2} 98 gdb_rename_execfile ${binfile1} ${binfile} 99 100 # Restart GDB entirely. 101 clean_restart ${binfile} 102 103 # Set a breakpoint on foo and run to it. 104 gdb_test "break foo" \ 105 "Breakpoint.*at.* file .*$srcfile1, line 14.*" \ 106 "second pass: breakpoint foo in first file" 107 gdb_run_cmd 108 gdb_test "" "Breakpoint.* foo .* at .*$srcfile1:14.*" "second pass: run to foo()" 109 110 # This time, let the program run to completion. If GDB checks the 111 # executable file's timestamp now, it won't notice any change. 112 gdb_continue_to_end "second pass" 113 114 # Now move the newer executable into place, and re-run. GDB 115 # should still notice that the executable file has changed, 116 # and still re-set the breakpoint appropriately. 117 gdb_rename_execfile ${binfile} ${binfile1} 118 gdb_rename_execfile ${binfile2} ${binfile} 119 gdb_run_cmd 120 gdb_test "" "Breakpoint.* foo .* at .*:9.*" "second pass: run to foo() second time" 121} 122 123# End of tests. 124 125return 0 126