1# Copyright 2009-2019 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 when a thread other than the main thread execs, we follow 17# through to the new incarnation of the main thread, even if the main 18# thread had already exited before the exec. 19 20standard_testfile 21set executable ${testfile} 22 23if {[gdb_compile_pthreads "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } { 24 return -1 25} 26 27proc do_test { lock_sched nonstop } { 28 with_test_prefix "lock-sched=$lock_sched,non-stop=$nonstop" { 29 global executable 30 31 save_vars { GDBFLAGS } { 32 append GDBFLAGS " -ex \"set non-stop $nonstop\"" 33 clean_restart ${executable} 34 } 35 36 if ![runto_main] { 37 return -1 38 } 39 40 gdb_breakpoint [gdb_get_line_number "break-here"] 41 gdb_continue_to_breakpoint "break-here" ".* break-here .*" 42 43 if { $nonstop == "on" } { 44 gdb_test "thread 2" "Switching.*" 45 } 46 47 gdb_test "info threads" \ 48 "\r\n\[ \t\]*Id\[ \t\]+Target\[ \t\]+Id\[ \t\]+Frame\[ \t\]*\r\n\\* 2 *Thread \[^\r\n\]* at \[^\r\n\]*" \ 49 "single thread left" 50 51 # Also test with sched-lock to make sure we can follow the 52 # non-leader thread execing even though the main thread wasn't 53 # resumed before the exec. 54 if { $lock_sched } { 55 gdb_test_no_output "set scheduler-locking on" 56 } 57 58 gdb_test "continue" \ 59 ".*is executing new program.*Breakpoint 1, main.* at .*" \ 60 "continue over exec" 61 } 62} 63 64foreach nonstop {"on" "off"} { 65 foreach schedlock {"on" "off"} { 66 if {$schedlock == "on" && $nonstop == "on"} { 67 # Schedule locking has no effect in nonstop mode. 68 continue 69 } 70 do_test $schedlock $nonstop 71 } 72} 73