1# Copyright 1998, 2000, 2001, 2007, 2008, 2009, 2010, 2011 2# Free Software Foundation, Inc. 3 4# This program is free software; you can redistribute it and/or modify 5# it under the terms of the GNU General Public License as published by 6# the Free Software Foundation; either version 3 of the License, or 7# (at your option) any later version. 8# 9# This program is distributed in the hope that it will be useful, 10# but WITHOUT ANY WARRANTY; without even the implied warranty of 11# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12# GNU General Public License for more details. 13# 14# You should have received a copy of the GNU General Public License 15# along with this program. If not, see <http://www.gnu.org/licenses/>. 16 17if $tracelevel then { 18 strace $tracelevel 19} 20 21set prototypes 1 22 23# build the first test case 24 25set testfile1 "reread1" 26set srcfile1 ${testfile1}.c 27# Cygwin needs $EXEEXT. 28set binfile1 ${objdir}/${subdir}/${testfile1}$EXEEXT 29 30if { [gdb_compile "${srcdir}/${subdir}/${srcfile1}" "${binfile1}" executable {debug nowarnings}] != "" } { 31 untested reread.exp 32 return -1 33} 34 35# build the second test case 36 37set testfile2 "reread2" 38set srcfile2 ${testfile2}.c 39set binfile2 ${objdir}/${subdir}/${testfile2}$EXEEXT 40 41if { [gdb_compile "${srcdir}/${subdir}/${srcfile2}" "${binfile2}" executable {debug nowarnings}] != "" } { 42 untested reread.exp 43 return -1 44} 45 46# Start with a fresh gdb. 47 48set testfile "reread" 49set binfile ${objdir}/${subdir}/${testfile}$EXEEXT 50 51gdb_start 52gdb_reinitialize_dir $srcdir/$subdir 53 54# Load the first executable. 55 56gdb_test "shell mv ${binfile1} ${binfile}" ".*" "" 57gdb_load ${binfile} 58 59# Set a breakpoint at foo 60 61gdb_test "break foo" \ 62 "Breakpoint.*at.* file .*$srcfile1, line 14.*" \ 63 "breakpoint foo in first file" 64 65 66# Run, should see "Breakpoint 1, foo () at hello1.c:14" 67 68gdb_run_cmd 69 70gdb_expect { 71 -re ".*Breakpoint.* foo .* at .*$srcfile1:14.*$gdb_prompt $" { 72 pass "run to foo()"; 73 } 74 -re ".*$gdb_prompt $" { 75 fail "run to foo()"; 76 gdb_suppress_tests; 77 } 78 timeout { fail "run to foo() (timeout)" ; gdb_suppress_tests } 79} 80 81# Restore first executable to its original name, and move 82# second executable into its place. Ensure that the new 83# executable is at least a second newer than the old. 84 85gdb_test "shell mv ${binfile} ${binfile1}" ".*" "" 86gdb_test "shell mv ${binfile2} ${binfile}" ".*" "" 87gdb_test "shell sleep 1" ".*" "" 88gdb_test "shell touch ${binfile}" ".*" "" 89 90# Run a second time; GDB should detect that the executable has changed 91# and reset the breakpoints correctly. 92# Should see "Breakpoint 1, foo () at reread2.c:9" 93 94if [is_remote target] { 95 unsupported "run to foo() second time "; 96} else { 97 gdb_run_cmd 98 gdb_expect { 99 # -re ".*re-reading symbols.*Breakpoint.* foo .* at .*$srcfile2:9.*$gdb_prompt $" {} 100 -re ".*Breakpoint.* foo .* at .*:9.*$gdb_prompt $" { 101 pass "run to foo() second time "; 102 } 103 -re ".*$gdb_prompt $" { 104 fail "run to foo() second time"; 105 gdb_suppress_tests; 106 } 107 timeout { 108 fail "run to foo() second time (timeout)" ; 109 gdb_suppress_tests 110 } 111 } 112} 113 114 115### Second pass: verify that GDB checks the executable file's 116### timestamp when the program is *restarted*, not just when it exits. 117 118if [is_remote target] { 119 unsupported "second pass: GDB should check for changes before running" 120} else { 121 122 # Put the older executable back in place. 123 gdb_test "shell mv ${binfile} ${binfile2}" ".*" "" 124 gdb_test "shell mv ${binfile1} ${binfile}" ".*" "" 125 126 # Restart GDB entirely. 127 gdb_start 128 gdb_reinitialize_dir $srcdir/$subdir 129 gdb_load ${binfile} 130 131 # Set a breakpoint on foo and run to it. 132 gdb_test "break foo" \ 133 "Breakpoint.*at.* file .*$srcfile1, line 14.*" \ 134 "second pass: breakpoint foo in first file" 135 gdb_run_cmd 136 gdb_expect { 137 -re ".*Breakpoint.* foo .* at .*$srcfile1:14.*$gdb_prompt $" { 138 pass "second pass: run to foo()"; 139 } 140 -re ".*$gdb_prompt $" { 141 fail "second pass: run to foo()"; 142 gdb_suppress_tests; 143 } 144 timeout { 145 fail "second pass: run to foo() (timeout)" 146 gdb_suppress_tests 147 } 148 } 149 150 # This time, let the program run to completion. If GDB checks the 151 # executable file's timestamp now, it won't notice any change. 152 gdb_continue_to_end "second pass" 153 154 # Now move the newer executable into place, and re-run. GDB 155 # should still notice that the executable file has changed, 156 # and still re-set the breakpoint appropriately. 157 gdb_test "shell mv ${binfile} ${binfile1}" ".*" "" 158 gdb_test "shell mv ${binfile2} ${binfile}" ".*" "" 159 gdb_run_cmd 160 gdb_expect { 161 -re ".*Breakpoint.* foo .* at .*:9.*$gdb_prompt $" { 162 pass "second pass: run to foo() second time "; 163 } 164 -re ".*$gdb_prompt $" { 165 fail "second pass: run to foo() second time"; 166 gdb_suppress_tests; 167 } 168 timeout { 169 fail "second pass: run to foo() second time (timeout)" ; 170 gdb_suppress_tests 171 } 172 } 173} 174 175# End of tests. 176 177gdb_stop_suppressing_tests 178 179return 0 180