| # Copyright (C) 2004-2018 Free Software Foundation, Inc. |
| |
| # This program is free software; you can redistribute it and/or modify |
| # it under the terms of the GNU General Public License as published by |
| # the Free Software Foundation; either version 3 of the License, or |
| # (at your option) any later version. |
| # |
| # This program is distributed in the hope that it will be useful, |
| # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| # GNU General Public License for more details. |
| # |
| # You should have received a copy of the GNU General Public License |
| # along with this program. If not, see <http://www.gnu.org/licenses/>. |
| |
| # Please email any bugs, comments, and/or additions to this file to: |
| # bug-gdb@gnu.org |
| |
| # This file verifies that GDB is able to compute a backtrace for a thread |
| # being blocked on a call to pthread_cond_wait(). |
| |
| standard_testfile |
| |
| if {[gdb_compile_pthreads "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable debug] != "" } { |
| return -1 |
| } |
| |
| clean_restart ${binfile} |
| runto_main |
| |
| gdb_test "break break_me" \ |
| "Breakpoint 2 at .*: file .*${srcfile}, line .*" \ |
| "breakpoint on break_me" |
| |
| gdb_test "continue" \ |
| ".*Breakpoint 2, break_me ().*" \ |
| "run to break_me" |
| |
| # |
| # Backtrace all threads, find the one running noreturn, and |
| # verify that we are able to get a sensible backtrace, including |
| # the frame for the pthread_cond_wait() call. |
| # |
| # The string below will only match if the functions named |
| # occur in a single thread's backtrace, in the given order. |
| # |
| |
| global hex |
| global decimal |
| |
| # |
| # This is a "backtrace break" ("btb"): |
| # |
| set btb "\[^\r\n\]+\[\r\n\]+\#${decimal}\[ \t\]+${hex} in " |
| |
| # One of the threads is blocked on a call to pthread_cond_wait, and |
| # we want to verify that we are able to get a sensible backtrace for |
| # that thread. Because we don't know its thread ID, we can't switch |
| # to it before doing the backtrace. So we get a backtrace for all |
| # threads, and verify that one them returns the expected backtrace. |
| gdb_test "thread apply all backtrace" \ |
| "pthread_cond_wait${btb}cond_wait${btb}noreturn${btb}forever_pthread.*" \ |
| "backtrace in blocked thread" |
| |