1# Copyright 2008-2020 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 16if { ![support_displaced_stepping] } { 17 unsupported "displaced stepping" 18 return -1 19} 20 21load_lib mi-support.exp 22set MIFLAGS "-i=mi" 23 24gdb_exit 25if {[mi_gdb_start]} { 26 continue 27} 28 29# 30# Start here 31# 32standard_testfile nsmoribund.c 33 34set options [list debug] 35if {[gdb_compile_pthreads "$srcdir/$subdir/$srcfile" $binfile executable $options] != "" } { 36 return -1 37} 38 39mi_gdb_reinitialize_dir $srcdir/$subdir 40mi_gdb_load $binfile 41 42mi_gdb_test "-gdb-set non-stop 1" ".*" 43mi_gdb_test "-gdb-set mi-async 1" ".*" 44mi_detect_async 45 46if { [mi_run_to_main] < 0 } { 47 continue 48} 49 50# Keep this in sync with THREADS in the $srcfile. 51set nthreads 10 52 53# Set a breakpoint and let all threads hit it (except the main 54# thread). 55 56set bkpt_line [gdb_get_line_number "set breakpoint here"] 57 58mi_create_breakpoint "$srcfile:$bkpt_line" \ 59 "breakpoint at thread_function" \ 60 -number 2 -function thread_function 61 62mi_send_resuming_command "exec-continue --all" "resume all" 63for {set i 0} {$i < $nthreads} {incr i} { 64 mi_expect_stop "breakpoint-hit" "thread_function" "\[^\n\]*" "$srcfile" \ 65 "\[0-9\]*" {"" "disp=\"keep\""} "stop $i" 66} 67 68# All but the main thread should have hit it. 69 70mi_check_thread_states \ 71 {"running" "stopped" "stopped" "stopped" "stopped" "stopped" "stopped" "stopped" "stopped" "stopped" "stopped"} \ 72 "thread state: all stopped except the main thread" 73 74# Select a stopped thread to make sure we're able to delete 75# breakpoints 76mi_gdb_test "-thread-select 5" "\\^done.*" "select thread 5" 77 78# Now that we know about all the threads, we can get rid of 79# breakpoint. 80mi_delete_breakpoints 81 82# Recreate the same breakpoint, but this time, specific to thread 5. 83mi_gdb_test "234-break-insert -p 5 $srcfile:$bkpt_line" \ 84 "234\\^done,bkpt=\{number=\"3\",type=\"breakpoint\",disp=\"keep\",enabled=\"y\",addr=\".*\",func=\"thread_function\",file=\".*\",fullname=\".*\",line=\".*\",thread-groups=\\\[\".*\"\\\],thread=\"5\",thread=\"5\",times=\"0\",original-location=\".*\"\}" \ 85 "thread specific breakpoint at thread_function" 86 87# Resume all threads. Only thread 5 should report a stop. 88 89set running_re "" 90for {set i $nthreads} {$i > 1} {incr i -1} { 91 set running_re "$running_re\\*running,thread-id=\"$decimal\"\r\n" 92} 93# Don't append \r\n after last line. 94set running_re "$running_re\\*running,thread-id=\"$decimal\"" 95 96mi_gdb_test "-exec-continue --all" "\[^\n\]*\r\n$running_re" \ 97 "resume all, thread specific breakpoint" 98 99mi_expect_stop "breakpoint-hit" "thread_function" "\[^\n\]*" "$srcfile" \ 100 "\[0-9\]*" {"" "disp=\"keep\""} "hit thread specific breakpoint" 101 102# All threads except both thread 5 (and the main thread) should now be 103# repeatedly hitting the thread specific breakpoint and stepping over 104# it transparently. These are internal events, so the frontend should 105# see those threads as running. 106 107mi_check_thread_states \ 108 {"running" "running" "running" "running" "stopped" "running" "running" "running" "running"} \ 109 "thread state: all running except the breakpoint thread" 110 111# Get rid of the breakpoint while the other threads are stepping over 112# it, and tell all threads to exit. The program should exit 113# gracefully shortly. Send all commands in a row, since if something 114# goes wrong with moribund locations support or displaced stepping (or 115# a target bug if it can step over breakpoints itself), a spurious 116# SIGTRAP/SIGSEGV can come at any time after deleting the breakpoint. 117# Note that this causes multiple prompts to appear before the output 118# we are interested in, so we can't use mi_gdb_test or 119# gdb_test_multiple (or an MI equivalent) 120 121mi_gdb_test "102-break-delete" "102\\^done.*" 122mi_gdb_test "print done = 1" { = 1"} 123mi_gdb_test "103-exec-continue --all" "\[^\n\]*\r\n$running_re" 124 125gdb_expect { 126 -re "\\*stopped,reason=\"exited-normally\"" { 127 pass "resume all, program exited normally" 128 } 129 timeout { 130 fail "resume all, waiting for program exit (timeout)" 131 } 132} 133 134mi_gdb_exit 135