gdb/testsuite/gdb.arch/i386-mpx-simple_segv.exp

   1 # Copyright (C) 2015-2021 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 # Testing handle setup together with boundary violation signals.
  19 #
  20 # Some states are not allowed as reported on the manual, as noprint
  21 # implies nostop, but nostop might print.
  22 #
  23 # Caveat: Setting the handle to nopass, ends up in a endless loop.
  24
  25 if { ![istarget i?86-*-*] && ![istarget x86_64-*-* ] } {
  26     verbose "Skipping x86 MPX tests."
  27     return
  28 }
  29
  30 standard_testfile
  31
  32 if { ![supports_mpx_check_pointer_bounds] } {
  33     return -1
  34 }
  35
  36 if { ![have_mpx] } {
  37     unsupported "processor does not support MPX"
  38     return -1
  39 }
  40
  41 set comp_flags "-mmpx -fcheck-pointer-bounds -I${srcdir}/../nat/"
  42
  43 if { [prepare_for_testing "failed to prepare" ${testfile} ${srcfile} \
  44  [list debug nowarnings additional_flags=${comp_flags}]] } {
  45     return -1
  46 }
  47
  48 if ![runto_main] {
  49     untested "could not run to main"
  50     return -1
  51 }
  52
  53 set violation [multi_line "Program received signal SIGSEGV, Segmentation fault" \
  54                           "Upper bound violation while accessing address $hex" \
  55                           "Bounds: \\\[lower = $hex, upper = $hex\\\]"]
  56
  57 set segv_with_exit "Program received signal SIGSEGV,\
  58         Segmentation fault.*$inferior_exited_re.*"
  59
  60
  61 # Test handler for segmentation fault for:
  62 # print pass stop
  63 #
  64 set parameters "print pass stop"
  65 with_test_prefix "$parameters" {
  66     if ![runto_main] {
  67         fail "could not run to main"
  68         return -1
  69     }
  70
  71     gdb_test "handle SIGSEGV $parameters"\
  72              ".*SIGSEGV.*Yes.*Yes.*Yes.*Segmentation fault.*"\
  73              "set parameters"
  74
  75     gdb_test "continue" ".*$violation.*" "display"
  76
  77     gdb_test "where" ".*#0  $hex in upper.*"\
  78              "should be in upper"
  79 }
  80
  81 # Test handler for segmentation fault for:
  82 # print pass nostop
  83 #
  84 set parameters "print pass nostop"
  85 with_test_prefix "$parameters" {
  86     if ![runto_main] {
  87         fail "could not run to main"
  88         return -1
  89     }
  90
  91     gdb_test "handle SIGSEGV $parameters"\
  92              ".*SIGSEGV.*No.*Yes.*Yes.*Segmentation fault.*"\
  93              "set parameters"
  94
  95     gdb_test "continue" ".*$segv_with_exit.*" "display"
  96
  97     gdb_test "where" "No stack." "no inferior"
  98 }
  99
 100 # Test handler for segmentation fault for:
 101 # print nopass stop
 102 #
 103 set parameters "print nopass stop"
 104 with_test_prefix "$parameters" {
 105     if ![runto_main] {
 106         fail "could not run to main"
 107         return -1
 108     }
 109
 110     gdb_test "handle SIGSEGV $parameters"\
 111              ".*SIGSEGV.*Yes.*Yes.*No.*Segmentation fault.*"\
 112              "set parameters"
 113
 114     gdb_test "continue" ".*$violation.*" "display"
 115
 116     gdb_test "where" ".*#0  $hex in upper.*"\
 117              "should be in upper"
 118 }
 119
 120 # Test handler for segmentation fault for:
 121 # print nopass stop
 122 #
 123 set parameters "noprint pass nostop"
 124 with_test_prefix "$parameters" {
 125     if ![runto_main] {
 126         fail "could not run to main"
 127         return -1
 128     }
 129
 130     gdb_test "handle SIGSEGV $parameters"\
 131              ".*SIGSEGV.*No.*No.*Yes.*Segmentation fault.*"\
 132              "set parameters"
 133
 134     gdb_test "continue" "Continuing\..*$inferior_exited_re.*"\
 135              "Display"
 136
 137     gdb_test "where" "No stack." "no inferior"
 138 }
 139