1# Copyright 2009-2020 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, and the 17# main thread was stopped due to user request, the new incarnation of 18# the main thread doesn't just silently stop at the first internal 19# breakpoint (usually the _dl_debug_state breakpoint). 20 21if { ![support_displaced_stepping] } { 22 unsupported "displaced stepping" 23 return -1 24} 25 26load_lib mi-support.exp 27set MIFLAGS "-i=mi" 28 29gdb_exit 30if {[mi_gdb_start]} { 31 continue 32} 33 34# 35# Start here 36# 37standard_testfile nsthrexec.c 38 39set options [list debug] 40if {[gdb_compile_pthreads "$srcdir/$subdir/$srcfile" $binfile executable $options] != "" } { 41 return -1 42} 43 44mi_gdb_reinitialize_dir $srcdir/$subdir 45mi_gdb_load $binfile 46 47mi_gdb_test "-gdb-set non-stop 1" ".*" 48mi_gdb_test "-gdb-set mi-async 1" ".*" 49mi_detect_async 50 51if { [mi_run_to_main] < 0 } { 52 continue 53} 54 55mi_create_breakpoint thread_execler \ 56 "breakpoint at thread_execler" \ 57 -number 2 -function thread_execler 58 59# All threads should stop, except the main thread. 60mi_send_resuming_command "exec-continue --all" "resume all" 61mi_expect_stop "breakpoint-hit" "thread_execler" "\[^\n\]*" "$srcfile" \ 62 "\[0-9\]*" {"" "disp=\"keep\""} "stop at thread_execler" 63 64mi_check_thread_states \ 65 {"running" "stopped"} \ 66 "thread state, execler stopped, main running" 67 68mi_gdb_test "200-exec-interrupt --thread 1" "200\\^done" "interrupt main thread" 69mi_expect_interrupt "main thread interrupted" 70 71mi_check_thread_states {"stopped" "stopped"} "thread state, all stopped" 72 73# now that we know about all the threads, we can get rid of the breakpoints 74mi_delete_breakpoints 75 76mi_create_breakpoint main \ 77 "breakpoint at main" \ 78 -number 3 -func main 79 80 81# Now resume the execler thread. Eventually, it execs. 82mi_send_resuming_command "exec-continue --thread 2" "resume execler thread" 83 84# Check that the main thread passes by the _dl_debug_state internal 85# breakpoint without silently stopping. 86mi_expect_stop "breakpoint-hit" "main" "\[^\n\]*" "$srcfile" \ 87 "\[0-9\]*" {"" "disp=\"keep\""} "stop at main after exec" 88 89mi_gdb_exit 90