8608915fb1
single-step breakpoint fails; make this a KFAIL on sparc*-*-openbsd*. * gdb.base/siginfo.exp: Likewise. * gdb.base/sigstep.exp (advance, advancei): Likewise.
102 lines
3.2 KiB
Text
102 lines
3.2 KiB
Text
# Copyright 2004 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 2 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, write to the Free Software
|
|
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
|
|
|
|
|
# The program siginfo.c creates a backtrace containing a signal
|
|
# handler registered using sigaction's sa_sigaction / SA_SIGINFO.
|
|
# Some OS's (e.g., GNU/Linux) use different signal trampolines for
|
|
# sa_sigaction and sa_handler.
|
|
|
|
# This test first confirms that GDB can backtrace through the
|
|
# alternative sa_sigaction signal handler, and second that GDB can
|
|
# nexti/stepi out of such a handler.
|
|
|
|
if [target_info exists gdb,nosignals] {
|
|
verbose "Skipping signals.exp because of nosignals."
|
|
continue
|
|
}
|
|
|
|
if $tracelevel then {
|
|
strace $tracelevel
|
|
}
|
|
|
|
set prms_id 0
|
|
set bug_id 0
|
|
|
|
set testfile siginfo
|
|
set srcfile ${testfile}.c
|
|
set binfile ${objdir}/${subdir}/${testfile}
|
|
if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
|
|
untested "Couldn't compile ${module}.c"
|
|
return -1
|
|
}
|
|
|
|
# get things started
|
|
gdb_exit
|
|
gdb_start
|
|
gdb_reinitialize_dir $srcdir/$subdir
|
|
gdb_load ${binfile}
|
|
|
|
gdb_test "display/i \$pc"
|
|
|
|
# Advance to main
|
|
if { ![runto_main] } then {
|
|
gdb_suppress_tests;
|
|
}
|
|
|
|
# Pass all the alarms straight through (but verbosely)
|
|
# gdb_test "handle SIGALRM print pass nostop"
|
|
# gdb_test "handle SIGVTALRM print pass nostop"
|
|
# gdb_test "handle SIGPROF print pass nostop"
|
|
|
|
# Run to the signal handler, validate the backtrace.
|
|
gdb_test "break handler"
|
|
gdb_test "continue" ".* handler .*" "continue to stepi handler"
|
|
send_gdb "bt\n"
|
|
gdb_expect_list "backtrace for nexti" ".*$gdb_prompt $" {
|
|
"\[\r\n\]+.0 \[^\r\n\]* handler "
|
|
"\[\r\n\]+.1 .signal handler called."
|
|
"\[\r\n\]+.2 \[^\r\n\]* main .*"
|
|
}
|
|
|
|
# Check that GDB can step the inferior back to main
|
|
set test "step out of handler"
|
|
gdb_test_multiple "step" "${test}" {
|
|
-re "Could not insert single-step breakpoint.*$gdb_prompt $" {
|
|
setup_kfail sparc*-*-openbsd* gdb/1736
|
|
fail "$test (could not insert single-step breakpoint)"
|
|
}
|
|
-re "done = 1;.*${gdb_prompt} $" {
|
|
send_gdb "$i\n"
|
|
exp_continue
|
|
}
|
|
-re "\} .. handler .*${gdb_prompt} $" {
|
|
send_gdb "step\n"
|
|
exp_continue
|
|
}
|
|
-re "Program exited normally.*${gdb_prompt} $" {
|
|
kfail gdb/1613 "$test (program exited)"
|
|
}
|
|
-re "(while ..done|return 0).*${gdb_prompt} $" {
|
|
# After stepping out of a function /r signal-handler, GDB will
|
|
# advance the inferior until it is at the first instruction of
|
|
# a code-line. While typically things return to the middle of
|
|
# the "while..." (and hence GDB advances the inferior to the
|
|
# "return..." line) it is also possible for the return to land
|
|
# on the first instruction of "while...". Accept both cases.
|
|
pass "$test"
|
|
}
|
|
}
|