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 19if $tracelevel then { 20 strace $tracelevel 21} 22 23set prms_id 0 24set bug_id 0 25 26set prototypes 1 27 28# build the first test case 29 30set testfile1 "reread1" 31set srcfile1 ${testfile1}.c 32# Cygwin needs $EXEEXT. 33set binfile1 ${objdir}/${subdir}/${testfile1}$EXEEXT 34 35if { [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 42set testfile2 "reread2" 43set srcfile2 ${testfile2}.c 44set binfile2 ${objdir}/${subdir}/${testfile2}$EXEEXT 45 46if { [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 53set testfile "reread" 54set binfile ${objdir}/${subdir}/${testfile}$EXEEXT 55 56gdb_start 57gdb_reinitialize_dir $srcdir/$subdir 58 59set prms_id 13484 60set bug_id 0 61 62# Load the first executable. 63 64gdb_test "shell mv ${binfile1} ${binfile}" "" "" 65gdb_load ${binfile} 66 67# Set a breakpoint at foo 68 69gdb_test "break foo" \ 70 "Breakpoint.*at.* file .*$srcfile1, line 14.*" \ 71 "breakpoint foo in first file" 72 73 74# Run, should see "Breakpoint 1, foo () at hello1.c:14" 75 76gdb_run_cmd 77 78gdb_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 93gdb_test "shell mv ${binfile} ${binfile1}" "" "" 94gdb_test "shell mv ${binfile2} ${binfile}" "" "" 95gdb_test "shell sleep 1" "" "" 96gdb_test "shell touch ${binfile}" "" "" 97 98# Run a second time; GDB should detect that the executable has changed 99# and reset the breakpoints correctly. 100# Should see "Breakpoint 1, foo () at reread2.c:9" 101 102set prms_id 0 103 104if [is_remote target] { 105 unsupported "run to foo() second time "; 106} else { 107 gdb_run_cmd 108 gdb_expect { 109 # -re ".*re-reading symbols.*Breakpoint.* foo .* at .*$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 128if [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 188gdb_stop_suppressing_tests 189 190return 0 191