1# Copyright (C) 2014-2023 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# Check that GDB doesn't forget to pass SIGTRAP to the program when 17# the user explicitly passes it with the signal command. 18 19standard_testfile 20 21if [target_info exists gdb,nosignals] { 22 verbose "Skipping ${testfile}.exp because of nosignals." 23 return -1 24} 25 26if {[build_executable "failed to prepare" $testfile $srcfile \ 27 {debug pthreads}]} { 28 return -1 29} 30 31# Run test proper. SIGTRAP_THREAD is the thread that should get the 32# SIGTRAP. 33 34proc test { sigtrap_thread } { 35 global srcfile binfile 36 37 with_test_prefix "sigtrap thread $sigtrap_thread" { 38 clean_restart ${binfile} 39 40 if {![runto "thread_function"]} { 41 return 0 42 } 43 44 set pattern "\\\* 2\[ \t\]+Thread.*" 45 gdb_test "info threads" $pattern "thread 2 hit breakpoint" 46 47 gdb_test "break sigtrap_handler" "Breakpoint .* at .*$srcfile.*" 48 49 # Thread 2 is stopped at a breakpoint, which must be stepped 50 # over first. Thus if this is thread 1, then GDB will first 51 # switch back to thread 2 to step it over the breakpoint. 52 gdb_test "thread $sigtrap_thread" \ 53 "Switching to thread $sigtrap_thread.*" \ 54 "switch to sigtrap thread" 55 56 gdb_test "signal SIGTRAP" \ 57 "Continuing with signal SIGTRAP.*Breakpoint .* sigtrap_handler .*" \ 58 "signal SIGTRAP reaches handler" 59 60 set pattern "\\\* $sigtrap_thread\[ \t\]+Thread.*" 61 gdb_test "info threads" $pattern "right thread got the signal" 62 } 63} 64 65foreach sigtrap_thread {1 2} { 66 test $sigtrap_thread 67} 68