10SN/A# Copyright 1998, 2000, 2001, 2007, 2008, 2009, 2010, 2011 21472SN/A# Free Software Foundation, Inc. 30SN/A 40SN/A# This program is free software; you can redistribute it and/or modify 50SN/A# it under the terms of the GNU General Public License as published by 60SN/A# the Free Software Foundation; either version 3 of the License, or 70SN/A# (at your option) any later version. 80SN/A# 90SN/A# This program is distributed in the hope that it will be useful, 100SN/A# but WITHOUT ANY WARRANTY; without even the implied warranty of 110SN/A# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 120SN/A# GNU General Public License for more details. 130SN/A# 140SN/A# You should have received a copy of the GNU General Public License 150SN/A# along with this program. If not, see <http://www.gnu.org/licenses/>. 160SN/A 170SN/Aif $tracelevel then { 180SN/A strace $tracelevel 191472SN/A} 201472SN/A 211472SN/Aset prototypes 1 220SN/A 230SN/A# build the first test case 240SN/A 250SN/Aset testfile1 "reread1" 260SN/Aset srcfile1 ${testfile1}.c 270SN/A# Cygwin needs $EXEEXT. 280SN/Aset binfile1 ${objdir}/${subdir}/${testfile1}$EXEEXT 290SN/A 300SN/Aif { [gdb_compile "${srcdir}/${subdir}/${srcfile1}" "${binfile1}" executable {debug nowarnings}] != "" } { 310SN/A untested reread.exp 320SN/A return -1 330SN/A} 340SN/A 350SN/A# build the second test case 360SN/A 370SN/Aset testfile2 "reread2" 380SN/Aset srcfile2 ${testfile2}.c 390SN/Aset binfile2 ${objdir}/${subdir}/${testfile2}$EXEEXT 400SN/A 410SN/Aif { [gdb_compile "${srcdir}/${subdir}/${srcfile2}" "${binfile2}" executable {debug nowarnings}] != "" } { 420SN/A untested reread.exp 430SN/A return -1 440SN/A} 450SN/A 460SN/A# Start with a fresh gdb. 470SN/A 480SN/Aset testfile "reread" 490SN/Aset binfile ${objdir}/${subdir}/${testfile}$EXEEXT 500SN/A 510SN/Agdb_start 520SN/Agdb_reinitialize_dir $srcdir/$subdir 530SN/A 540SN/A# Load the first executable. 550SN/A 560SN/Agdb_test "shell mv ${binfile1} ${binfile}" ".*" "" 570SN/Agdb_load ${binfile} 580SN/A 590SN/A# Set a breakpoint at foo 600SN/A 610SN/Agdb_test "break foo" \ 620SN/A "Breakpoint.*at.* file .*$srcfile1, line 14.*" \ 630SN/A "breakpoint foo in first file" 640SN/A 650SN/A 660SN/A# Run, should see "Breakpoint 1, foo () at hello1.c:14" 670SN/A 680SN/Agdb_run_cmd 690SN/A 700SN/Agdb_expect { 710SN/A -re ".*Breakpoint.* foo .* at .*$srcfile1:14.*$gdb_prompt $" { 720SN/A pass "run to foo()"; 730SN/A } 740SN/A -re ".*$gdb_prompt $" { 750SN/A 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