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# Copyright (C) 2014-2020 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/>. */
# Check that GDB doesn't forget to pass SIGTRAP to the program when
# the user explicitly passes it with the signal command.
if [target_info exists gdb,nosignals] {
verbose "Skipping ${testfile}.exp because of nosignals."
return -1
}
standard_testfile
if {[prepare_for_testing "failed to prepare" $testfile $srcfile {debug pthreads}]} {
return -1
}
# Run test proper. SIGTRAP_THREAD is the thread that should get the
# SIGTRAP.
proc test { sigtrap_thread } {
global srcfile binfile
with_test_prefix "sigtrap thread $sigtrap_thread" {
clean_restart ${binfile}
if ![runto "thread_function"] then {
fail "can't run to thread_function"
return 0
}
set pattern "\\\* 2\[ \t\]+Thread.*"
gdb_test "info threads" $pattern "thread 2 hit breakpoint"
gdb_test "break sigtrap_handler" "Breakpoint .* at .*$srcfile.*"
# Thread 2 is stopped at a breakpoint, which must be stepped
# over first. Thus if this is thread 1, then GDB will first
# switch back to thread 2 to step it over the breakpoint.
gdb_test "thread $sigtrap_thread" \
"Switching to thread $sigtrap_thread.*" \
"switch to sigtrap thread"
gdb_test "signal SIGTRAP" \
"Continuing with signal SIGTRAP.*Breakpoint .* sigtrap_handler .*" \
"signal SIGTRAP reaches handler"
set pattern "\\\* $sigtrap_thread\[ \t\]+Thread.*"
gdb_test "info threads" $pattern "right thread got the signal"
}
}
foreach sigtrap_thread {1 2} {
test $sigtrap_thread
}
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