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|
# Copyright 1998, 2000, 2001, 2007, 2008, 2009, 2010
# Free Software Foundation, Inc.
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
if $tracelevel then {
strace $tracelevel
}
set prototypes 1
# build the first test case
set testfile1 "reread1"
set srcfile1 ${testfile1}.c
# Cygwin needs $EXEEXT.
set binfile1 ${objdir}/${subdir}/${testfile1}$EXEEXT
if { [gdb_compile "${srcdir}/${subdir}/${srcfile1}" "${binfile1}" executable {debug nowarnings}] != "" } {
untested reread.exp
return -1
}
# build the second test case
set testfile2 "reread2"
set srcfile2 ${testfile2}.c
set binfile2 ${objdir}/${subdir}/${testfile2}$EXEEXT
if { [gdb_compile "${srcdir}/${subdir}/${srcfile2}" "${binfile2}" executable {debug nowarnings}] != "" } {
untested reread.exp
return -1
}
# Start with a fresh gdb.
set testfile "reread"
set binfile ${objdir}/${subdir}/${testfile}$EXEEXT
gdb_start
gdb_reinitialize_dir $srcdir/$subdir
# Load the first executable.
gdb_test "shell mv ${binfile1} ${binfile}" ".*" ""
gdb_load ${binfile}
# Set a breakpoint at foo
gdb_test "break foo" \
"Breakpoint.*at.* file .*$srcfile1, line 14.*" \
"breakpoint foo in first file"
# Run, should see "Breakpoint 1, foo () at hello1.c:14"
gdb_run_cmd
gdb_expect {
-re ".*Breakpoint.* foo .* at .*$srcfile1:14.*$gdb_prompt $" {
pass "run to foo()";
}
-re ".*$gdb_prompt $" {
fail "run to foo()";
gdb_suppress_tests;
}
timeout { fail "run to foo() (timeout)" ; gdb_suppress_tests }
}
# Restore first executable to its original name, and move
# second executable into its place. Ensure that the new
# executable is at least a second newer than the old.
gdb_test "shell mv ${binfile} ${binfile1}" ".*" ""
gdb_test "shell mv ${binfile2} ${binfile}" ".*" ""
gdb_test "shell sleep 1" ".*" ""
gdb_test "shell touch ${binfile}" ".*" ""
# Run a second time; GDB should detect that the executable has changed
# and reset the breakpoints correctly.
# Should see "Breakpoint 1, foo () at reread2.c:9"
if [is_remote target] {
unsupported "run to foo() second time ";
} else {
gdb_run_cmd
gdb_expect {
# -re ".*re-reading symbols.*Breakpoint.* foo .* at .*$srcfile2:9.*$gdb_prompt $" {}
-re ".*Breakpoint.* foo .* at .*:9.*$gdb_prompt $" {
pass "run to foo() second time ";
}
-re ".*$gdb_prompt $" {
fail "run to foo() second time";
gdb_suppress_tests;
}
timeout {
fail "run to foo() second time (timeout)" ;
gdb_suppress_tests
}
}
}
### Second pass: verify that GDB checks the executable file's
### timestamp when the program is *restarted*, not just when it exits.
if [is_remote target] {
unsupported "second pass: GDB should check for changes before running"
} else {
# Put the older executable back in place.
gdb_test "shell mv ${binfile} ${binfile2}" ".*" ""
gdb_test "shell mv ${binfile1} ${binfile}" ".*" ""
# Restart GDB entirely.
gdb_start
gdb_reinitialize_dir $srcdir/$subdir
gdb_load ${binfile}
# Set a breakpoint on foo and run to it.
gdb_test "break foo" \
"Breakpoint.*at.* file .*$srcfile1, line 14.*" \
"second pass: breakpoint foo in first file"
gdb_run_cmd
gdb_expect {
-re ".*Breakpoint.* foo .* at .*$srcfile1:14.*$gdb_prompt $" {
pass "second pass: run to foo()";
}
-re ".*$gdb_prompt $" {
fail "second pass: run to foo()";
gdb_suppress_tests;
}
timeout {
fail "second pass: run to foo() (timeout)"
gdb_suppress_tests
}
}
# This time, let the program run to completion. If GDB checks the
# executable file's timestamp now, it won't notice any change.
gdb_test "continue" ".*Program exited.*" \
"second pass: continue to completion"
# Now move the newer executable into place, and re-run. GDB
# should still notice that the executable file has changed,
# and still re-set the breakpoint appropriately.
gdb_test "shell mv ${binfile} ${binfile1}" ".*" ""
gdb_test "shell mv ${binfile2} ${binfile}" ".*" ""
gdb_run_cmd
gdb_expect {
-re ".*Breakpoint.* foo .* at .*:9.*$gdb_prompt $" {
pass "second pass: run to foo() second time ";
}
-re ".*$gdb_prompt $" {
fail "second pass: run to foo() second time";
gdb_suppress_tests;
}
timeout {
fail "second pass: run to foo() second time (timeout)" ;
gdb_suppress_tests
}
}
}
# End of tests.
gdb_stop_suppressing_tests
return 0
|
