85c3a371b3
gdb/testsuite/ChangeLog: PR symtab/17855 * gdb.ada/exec_changed.exp: Add second test where symbol lookup cache is read after symbols have been re-read. * gdb.ada/exec_changed/first.adb (First): New procedure Break_Me. * gdb.ada/exec_changed/second.adb (Second): Ditto.
110 lines
3.3 KiB
Text
110 lines
3.3 KiB
Text
# Copyright 2005-2015 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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load_lib "ada.exp"
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if { [skip_ada_tests] } { return -1 }
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# This testcase verifies the behavior of the `start' command, which
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# does not work when we use the gdb stub...
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if [target_info exists use_gdb_stub] {
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untested exec_changed.exp
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return
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}
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standard_ada_testfile first
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# Build the first test program (note that cygwin needs the $EXEEXT).
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if {[gdb_compile_ada "${srcfile}" "${binfile}$EXEEXT" executable {debug}] != ""} {
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return -1
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}
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# Build the second test program
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set testfile2 "${testdir}/second"
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set srcfile2 ${srcdir}/${subdir}/${testfile2}.adb
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set binfile2 [standard_output_file ${testfile2}$EXEEXT]
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if {[gdb_compile_ada "${srcfile2}" "${binfile2}" executable {debug}] != ""} {
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return -1
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}
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# Start with a fresh gdb.
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set common_binfile [standard_output_file ${testdir}/common$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_test "shell mv ${binfile} ${common_binfile}" ".*" ""
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gdb_load ${common_binfile}
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# Start the program, we should land in the program main procedure
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if { [gdb_start_cmd] < 0 } {
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untested start
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return -1
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}
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gdb_test "" \
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"first \\(\\) at .*first.adb.*" \
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"start first"
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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_test "shell mv ${common_binfile} ${binfile}" ".*" ""
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gdb_test "shell mv ${binfile2} ${common_binfile}" ".*" ""
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gdb_test "shell sleep 1" ".*" ""
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gdb_test "shell touch ${common_binfile}" ".*" ""
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# Start the program a second time, GDB should land in procedure Second
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# this time.
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if { [gdb_start_cmd] < 0 } {
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fail "start second"
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} else {
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gdb_test "" \
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"second \\(\\) at .*second.adb.*" \
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"start second"
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}
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# Try again, this time with just changing the file time of first.
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clean_restart "${binfile}$EXEEXT"
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# Ensure we don't accidently use the main symbol cache.
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gdb_test_no_output "mt set symbol-cache-size 0"
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# Put something in the symbol lookup cache that will get looked up when
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# starting after having re-read symbols. PR 17855.
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gdb_breakpoint break_me
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gdb_test "shell touch ${binfile}$EXEEXT" ".*" ""
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gdb_test "shell sleep 1" ".*" ""
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if { [gdb_start_cmd] < 0 } {
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# PR 17855: At this point gdb may have crashed or gotten an internal
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# error, but we still need to detect this. Just issue any simple command
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# to verify gdb is still running. This will establish in gdb.log whether
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# gdb is still running.
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gdb_test_no_output "set \$check_gdb_running = 0" "check gdb running"
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fail "start just first"
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} else {
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gdb_test "" \
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"first \\(\\) at .*first.adb.*" \
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"start just first"
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}
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