1# Copyright (C) 2008-2016 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 use of unwindonsignal when a hand function call that gets interrupted 17# by a signal in another thread. 18 19set NR_THREADS 4 20 21standard_testfile interrupted-hand-call.c 22 23if {[gdb_compile_pthreads "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable [list debug "additional_flags=-DNR_THREADS=$NR_THREADS"]] != "" } { 24 return -1 25} 26 27# Some targets can't do function calls, so don't even bother with this 28# test. 29if [target_info exists gdb,cannot_call_functions] { 30 unsupported "This target can not call functions" 31 continue 32} 33 34clean_restart ${binfile} 35 36if { ![runto_main] } { 37 fail "Can't run to main" 38 return 0 39} 40 41gdb_test "break all_threads_running" \ 42 "Breakpoint 2 at .*: file .*${srcfile}, line .*" \ 43 "breakpoint on all_threads_running" 44 45# Run the program and make sure GDB reports that we stopped after 46# hitting breakpoint 2 in all_threads_running(). 47 48gdb_test "continue" \ 49 ".*Breakpoint 2, all_threads_running ().*" \ 50 "run to all_threads_running" 51 52# NOTE: Don't turn on scheduler-locking here. 53# We want the main thread (hand_call_with_signal) and 54# thread 1 (sigabrt_handler) to both run. 55 56# Do turn on unwindonsignal. 57# We want to test gdb handling of the current thread changing when 58# unwindonsignal is in effect. 59gdb_test_no_output "set unwindonsignal on" \ 60 "setting unwindonsignal" 61gdb_test "show unwindonsignal" \ 62 "Unwinding of stack .* is on." \ 63 "showing unwindonsignal" 64 65gdb_test "call hand_call_with_signal()" \ 66 "The program received a signal.*" \ 67 "hand-call interrupted by signal in another thread" 68 69# Verify dummy stack frame is still present. 70# ??? Should unwindonsignal still apply even if the program stops 71# because of a signal in another thread? 72 73gdb_test "maint print dummy-frames" ".*stack=.*" "dummy stack frame present" 74 75# GDB 6.8 would perform the unwindonsignal, but on the thread that stopped, 76# not the thread with the hand-called function. 77# This is tested by verifying only one thread has main in its backtrace. 78 79gdb_test_multiple "thread apply all bt" "wrong thread not unwound" { 80 -re ".* in main .* in main .*$gdb_prompt $" { 81 fail "wrong thread not unwound" 82 } 83 -re ".* in main .*$gdb_prompt $" { 84 pass "wrong thread not unwound" 85 } 86} 87 88# Continuing now should exit the hand-call and pop the dummy frame. 89 90gdb_test "continue" ".*" "finish hand-call" 91 92gdb_test_multiple "maint print dummy-frames" "dummy frame popped" { 93 -re ".*stack=.*$gdb_prompt $" { 94 fail "dummy frame popped" 95 } 96 -re ".*$gdb_prompt $" { 97 pass "dummy frame popped" 98 } 99} 100 101# Continue one last time, the program should exit normally. 102 103gdb_continue_to_end "" continue 1 104 105return 0 106