binutils-gdb/gdb/testsuite/gdb.arch/i386-mpx-sigsegv.exp

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# Copyright (C) 2015-2016 Free Software Foundation, Inc.
#
# Contributed by Intel Corp. <walfred.tedeschi@intel.com>
#
# 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/>.
if { ![istarget i?86-*-*] && ![istarget x86_64-*-* ] } {
verbose "Skipping x86 MPX tests."
return
}
standard_testfile
set comp_flags "-mmpx -fcheck-pointer-bounds -I${srcdir}/../nat/"
if { [prepare_for_testing ${testfile}.exp ${testfile} ${srcfile} \
[list debug nowarnings additional_flags=${comp_flags}]] } {
return -1
}
if ![runto_main] {
untested "could not run to main"
return -1
}
gdb_test_multiple "print have_mpx ()" "have mpx" {
-re ".. = 1\r\n$gdb_prompt " {
pass "check whether processor supports MPX"
}
-re ".. = 0\r\n$gdb_prompt " {
verbose "processor does not support MPX; skipping MPX tests"
return
}
}
set u_fault [multi_line "Program received signal SIGSEGV, Segmentation fault" \
"Upper bound violation while accessing address $hex" \
"Bounds: \\\[lower = $hex, upper = $hex\\\]"]
set l_fault [multi_line "Program received signal SIGSEGV, Segmentation fault" \
"Lower bound violation while accessing address $hex" \
"Bounds: \\\[lower = $hex, upper = $hex\\\]"]
for {set i 0} {$i < 15} {incr i} {
set message "MPX signal segv Upper: ${i}"
if {[gdb_test "continue" "$u_fault.*" $message] != 0} {
break
}
gdb_test "where" ".*#0 $hex in upper.*"\
"$message: should be in upper"
}
for {set i 0} {$i < 15} {incr i} {
set message "MPX signal segv Lower: ${i}"
if {[gdb_test "continue" "$l_fault.*" $message] != 0} {
break
}
gdb_test "where" ".*#0 $hex in lower.*"\
"$message: should be in lower"
}