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https://sourceware.org/git/binutils-gdb.git
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146 lines
4.4 KiB
Plaintext
146 lines
4.4 KiB
Plaintext
# Copyright 1998-2018 Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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set prototypes 1
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# Build programs in PIE mode, to reproduce PR 21555.
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foreach_with_prefix opts {
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{ "" "" }
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{ "-fPIE" "ldflags=-pie" } } {
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# build the first test case
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set testfile1 "reread1"
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set srcfile1 ${testfile1}.c
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# Cygwin needs $EXEEXT.
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set binfile1 [standard_output_file ${testfile1}$EXEEXT]
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set testfile1_opt [list debug nowarnings \
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additional_flags=[lindex $opts 0] \
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[lindex $opts 1] ]
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if { [gdb_compile "${srcdir}/${subdir}/${srcfile1}" "${binfile1}" \
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executable ${testfile1_opt}] != "" } {
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untested "failed to compile first testcase"
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return -1
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}
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# build the second test case
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set testfile2 "reread2"
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set srcfile2 ${testfile2}.c
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set binfile2 [standard_output_file ${testfile2}$EXEEXT]
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set testfile2_opt1 [list debug nowarnings \
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additional_flags=[lindex $opts 0] \
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[lindex $opts 1]]
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set testfile2_op2 [list debug nowarnings \
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"additional_flags=-DNO_SECTIONS [lindex $opts 0]" \
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[lindex $opts 1]]
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if { [gdb_compile "${srcdir}/${subdir}/${srcfile2}" "${binfile2}" \
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executable ${testfile2_opt1}] != ""
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&& [gdb_compile "${srcdir}/${subdir}/${srcfile2}" "${binfile2}" \
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executable ${testfile2_opt2}] != ""} {
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untested "failed to compile second testcase"
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return -1
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}
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# Start with a fresh gdb.
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set testfile "reread"
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set binfile [standard_output_file ${testfile}$EXEEXT]
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gdb_start
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gdb_reinitialize_dir $srcdir/$subdir
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# Load the first executable.
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gdb_rename_execfile ${binfile1} ${binfile}
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gdb_load ${binfile}
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# Set a breakpoint at foo
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gdb_test "break foo" \
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"Breakpoint.*at.* file .*$srcfile1, line 14.*" \
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"breakpoint foo in first file"
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# Run, should see "Breakpoint 1, foo () at hello1.c:14"
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gdb_run_cmd
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gdb_test "" "Breakpoint.* foo .* at .*$srcfile1:14.*" "run to foo()"
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# Restore first executable to its original name, and move
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# second executable into its place. Ensure that the new
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# executable is at least a second newer than the old.
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gdb_rename_execfile ${binfile} ${binfile1}
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gdb_rename_execfile ${binfile2} ${binfile}
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gdb_test "shell sleep 1" ".*" ""
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gdb_touch_execfile ${binfile}
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# Run a second time; GDB should detect that the executable has changed
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# and reset the breakpoints correctly.
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# Should see "Breakpoint 1, foo () at reread2.c:9"
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set test "run to foo() second time"
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if [is_remote target] {
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unsupported $test
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} else {
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gdb_run_cmd
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gdb_test "" "Breakpoint.* foo .* at .*:9.*" $test
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}
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### Second pass: verify that GDB checks the executable file's
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### timestamp when the program is *restarted*, not just when it exits.
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if [is_remote target] {
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unsupported "second pass: GDB should check for changes before running"
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} else {
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# Put the older executable back in place.
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gdb_rename_execfile ${binfile} ${binfile2}
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gdb_rename_execfile ${binfile1} ${binfile}
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# Restart GDB entirely.
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clean_restart ${binfile}
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# Set a breakpoint on foo and run to it.
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gdb_test "break foo" \
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"Breakpoint.*at.* file .*$srcfile1, line 14.*" \
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"second pass: breakpoint foo in first file"
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gdb_run_cmd
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gdb_test "" "Breakpoint.* foo .* at .*$srcfile1:14.*" \
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"second pass: run to foo()"
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# This time, let the program run to completion. If GDB checks the
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# executable file's timestamp now, it won't notice any change.
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gdb_continue_to_end "second pass"
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# Now move the newer executable into place, and re-run. GDB
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# should still notice that the executable file has changed,
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# and still re-set the breakpoint appropriately.
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gdb_rename_execfile ${binfile} ${binfile1}
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gdb_rename_execfile ${binfile2} ${binfile}
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gdb_run_cmd
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gdb_test "" "Breakpoint.* foo .* at .*:9.*" \
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"second pass: run to foo() second time"
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}
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}
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# End of tests.
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return 0
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