1# Copyright 2009, 2010, 2011 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 21# No exec event support in the remote protocol. 22if { [is_remote target] } then { 23 continue 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# 37set testfile "nsthrexec" 38set srcfile "$testfile.c" 39set binfile "$objdir/$subdir/mi-$testfile" 40 41set options [list debug incdir=$objdir] 42if {[gdb_compile_pthreads "$srcdir/$subdir/$srcfile" $binfile executable $options] != "" } { 43 return -1 44} 45 46mi_gdb_reinitialize_dir $srcdir/$subdir 47mi_gdb_load $binfile 48 49set supported 0 50gdb_test_multiple "-gdb-show non-stop" "" { 51 -re ".*\\^done,value=\"off\",supported=\"(\[^\"\]+)\"\r\n$mi_gdb_prompt$" { 52 if { $expect_out(1,string) == "1" } { 53 set supported 1 54 } 55 } 56 -re ".*$mi_gdb_prompt$" { 57 } 58} 59 60mi_gdb_test "-gdb-set non-stop 1" ".*" 61mi_gdb_test "-gdb-set target-async 1" ".*" 62detect_async 63 64if { [mi_run_to_main] < 0 } { 65 continue 66} 67 68mi_create_breakpoint thread_execler 2 keep thread_execler .* .* .* \ 69 "breakpoint at thread_execler" 70 71# All threads should stop, except the main thread. 72mi_send_resuming_command "exec-continue --all" "resume all" 73mi_expect_stop "breakpoint-hit" "thread_execler" "\[^\n\]*" "$srcfile" \ 74 "\[0-9\]*" {"" "disp=\"keep\""} "stop at thread_execler" 75 76mi_check_thread_states \ 77 {"running" "stopped"} \ 78 "thread state, execler stopped, main running" 79 80mi_gdb_test "200-exec-interrupt --thread 1" "200\\^done" "interrupt main thread" 81mi_expect_interrupt "main thread interrupted" 82 83mi_check_thread_states {"stopped" "stopped"} "thread state, all stopped" 84 85# now that we know about all the threads, we can get rid of the breakpoints 86mi_delete_breakpoints 87 88mi_create_breakpoint main 3 keep main .* .* .* \ 89 "breakpoint at main" 90 91# Now resume the execler thread. Eventually, it execs. 92mi_send_resuming_command "exec-continue --thread 2" "resume execler thread" 93 94# Check that the main thread passes by the _dl_debug_state internal 95# breakpoint without silently stopping. 96mi_expect_stop "breakpoint-hit" "main" "\[^\n\]*" "$srcfile" \ 97 "\[0-9\]*" {"" "disp=\"keep\""} "stop at main after exec" 98 99mi_gdb_exit 100