1# Copyright (C) 2015-2020 Free Software Foundation, Inc. 2# 3# Contributed by Intel Corp. <walfred.tedeschi@intel.com> 4# 5# This program is free software; you can redistribute it and/or modify 6# it under the terms of the GNU General Public License as published by 7# the Free Software Foundation; either version 3 of the License, or 8# (at your option) any later version. 9# 10# This program is distributed in the hope that it will be useful, 11# but WITHOUT ANY WARRANTY; without even the implied warranty of 12# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13# GNU General Public License for more details. 14# 15# You should have received a copy of the GNU General Public License 16# along with this program. If not, see <http://www.gnu.org/licenses/>. 17 18 19if { ![istarget i?86-*-*] && ![istarget x86_64-*-* ] } { 20 verbose "Skipping x86 MPX tests." 21 return 22} 23 24standard_testfile 25 26if { ![supports_mpx_check_pointer_bounds] } { 27 return -1 28} 29 30set comp_flags "-mmpx -fcheck-pointer-bounds -I${srcdir}/../nat/" 31 32if { [prepare_for_testing "failed to prepare" ${testfile} ${srcfile} \ 33 [list debug nowarnings additional_flags=${comp_flags}]] } { 34 return -1 35} 36 37if ![runto_main] { 38 untested "could not run to main" 39 return -1 40} 41 42gdb_test_multiple "print have_mpx ()" "have mpx" { 43 -re ".. = 1\r\n$gdb_prompt " { 44 pass "check whether processor supports MPX" 45 } 46 -re ".. = 0\r\n$gdb_prompt " { 47 verbose "processor does not support MPX; skipping MPX tests" 48 return 49 } 50} 51 52set u_fault [multi_line "Program received signal SIGSEGV, Segmentation fault" \ 53 "Upper bound violation while accessing address $hex" \ 54 "Bounds: \\\[lower = $hex, upper = $hex\\\]"] 55 56set l_fault [multi_line "Program received signal SIGSEGV, Segmentation fault" \ 57 "Lower bound violation while accessing address $hex" \ 58 "Bounds: \\\[lower = $hex, upper = $hex\\\]"] 59 60for {set i 0} {$i < 15} {incr i} { 61 set message "MPX signal segv Upper: ${i}" 62 63 if {[gdb_test "continue" "$u_fault.*" $message] != 0} { 64 break 65 } 66 67 gdb_test "where" ".*#0 $hex in upper.*"\ 68 "$message: should be in upper" 69} 70 71for {set i 0} {$i < 15} {incr i} { 72 set message "MPX signal segv Lower: ${i}" 73 74 if {[gdb_test "continue" "$l_fault.*" $message] != 0} { 75 break 76 } 77 78 gdb_test "where" ".*#0 $hex in lower.*"\ 79 "$message: should be in lower" 80} 81