1# Copyright (C) 2009-2015 Free Software Foundation, Inc. 2 3# This program is free software; you can redistribute it and/or modify 4# it under the terms of the GNU General Public License as published by 5# the Free Software Foundation; either version 3 of the License, or 6# (at your option) any later version. 7# 8# This program is distributed in the hope that it will be useful, 9# but WITHOUT ANY WARRANTY; without even the implied warranty of 10# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 11# GNU General Public License for more details. 12# 13# You should have received a copy of the GNU General Public License 14# along with this program. If not, see <http://www.gnu.org/licenses/>. 15 16# Test that GDB doesn't get stuck when stepping over an exec call done 17# by a thread other than the main thread. 18 19# There's no support for exec events in the remote protocol. 20if { [is_remote target] } { 21 return 0 22} 23 24standard_testfile 25 26if {[gdb_compile_pthreads "${srcdir}/${subdir}/${srcfile}" "${binfile}" \ 27 executable debug] != "" } { 28 return -1 29} 30 31# Run the test proper. SCHEDLOCK specifies what scheduler-locking 32# should be set to. 33 34proc do_test { schedlock } { 35 global binfile 36 37 if {$schedlock == "non-stop"} { 38 set prefix $schedlock 39 } else { 40 set prefix "schedlock $schedlock" 41 } 42 with_test_prefix "$prefix" { 43 clean_restart ${binfile} 44 45 if {$schedlock == "non-stop"} { 46 gdb_test_no_output "set non-stop 1" 47 } 48 49 if ![runto_main] { 50 return 0 51 } 52 53 # Get ourselves to the thread that execs. 54 gdb_breakpoint "thread_execler" 55 gdb_test "continue" ".*thread_execler.*" "continue to thread start" 56 57 if {$schedlock == "non-stop"} { 58 gdb_test "thread 2" \ 59 "Switching to .*thread_execler.*" \ 60 "switch to event thread" 61 } 62 63 # Now set a breakpoint at `main', and step over the execl call. The 64 # breakpoint at main should be reached. GDB should not try to revert 65 # back to the old thread from the old image and resume stepping it 66 # (since it is gone). 67 gdb_breakpoint "main" 68 69 if {$schedlock != "non-stop"} { 70 gdb_test_no_output "set scheduler-locking $schedlock" 71 } 72 gdb_test "next" ".*main.*" "get to main in new image" 73 } 74} 75 76foreach schedlock {"off" "step" "on" "non-stop"} { 77 do_test $schedlock 78} 79