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

   1 # Copyright 2013-2019 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 if { ![istarget i?86-*-*] && ![istarget x86_64-*-* ] } {
  19     verbose "Skipping x86 MPX tests."
  20     return
  21 }
  22
  23 standard_testfile
  24
  25 if { ![istarget i?86-*-*] && ![istarget x86_64-*-* ] } {
  26     verbose "Skipping x86 MPX tests."
  27     return
  28 }
  29
  30 set comp_flags "-mmpx -fcheck-pointer-bounds -I${srcdir}/../nat/"
  31
  32 if { [prepare_for_testing "failed to prepare" ${testfile} ${srcfile} \
  33      [list debug nowarnings additional_flags=${comp_flags}]] } {
  34     return -1
  35 }
  36
  37 if ![runto_main] {
  38     untested "could not run to main"
  39     return -1
  40 }
  41
  42 set supports_mpx 0
  43 set test "probe MPX support"
  44 gdb_test_multiple "print have_mpx()" $test {
  45     -re ".. = 1\r\n$gdb_prompt $" {
  46         pass $test
  47         set supports_mpx 1
  48     }
  49     -re ".. = 0\r\n$gdb_prompt $" {
  50         pass $test
  51     }
  52 }
  53
  54 if { !$supports_mpx } {
  55     unsupported "processor does not support MPX"
  56     return
  57 }
  58
  59 # Test bndcfg register and bndstatus at startup
  60 set test_string "\\\{raw = 0x\[0-9a-f\]+, config = \\\{base = \[0-9\]+,\
  61 reserved = \[0-9\]+, preserved = \[0-9\]+, enabled = \[0-9\]+\\\}\\\}"
  62
  63 gdb_test "print \$bndcfgu" $test_string "bndcfgu formating"
  64 gdb_test "print \$bndcfgu.config.enabled" "= 1" "test if bndstatus is enabled"
  65 gdb_test "print \$bndstatus" "\\\{raw = 0x0, status = \\\{bde = 0, error = 0\\\}\\\}" \
  66                 "bndstatus formating"
  67 gdb_test "print \$bndstatus.raw" "= \\\(void \\\*\\\) 0x0" "bndstatus is zero by startup"
  68
  69 # Read values from pseudo registers.
  70 gdb_breakpoint [ gdb_get_line_number "break here" ]
  71 gdb_continue_to_breakpoint "break here" ".*break here.*"
  72
  73 set test_string ".*\\\{lbound = 0xa, ubound = 0x13\\\}.*"
  74 gdb_test "info register bnd0" ".*bnd0$test_string" "pure bnd0 register"
  75
  76 set test_string ".*\\\{lbound = 0x14, ubound = 0x1d\\\}.*"
  77 gdb_test "info register bnd1" ".*bnd1$test_string" "pure bnd1 register"
  78
  79 set test_string ".*\\\{lbound = 0x1e, ubound = 0x27\\\}.*"
  80 gdb_test "info register bnd2" ".*bnd2$test_string" "pure bnd2 register"
  81
  82 set test_string ".*\\\{lbound = 0x28, ubound = 0x31\\\}.*"
  83 gdb_test "info register bnd3" ".*bnd3$test_string" "pure bnd3 register"
  84
  85 # Read value from registers bndrs.
  86
  87 set test_string ".*\\\{lbound = 0xa, ubound_raw = 0x\[f\]+ec\\\}.*"
  88 gdb_test "info register bnd0raw" ".*bnd0$test_string" "pure bnd0r register"
  89
  90 set test_string ".*\\\{lbound = 0x14, ubound_raw = 0x\[f\]+e2\\\}.*"
  91 gdb_test "info register bnd1raw" ".*bnd1$test_string" "pure bnd1r register"
  92
  93 set test_string ".*\\\{lbound = 0x1e, ubound_raw = 0x\[f\]+d8\\\}.*"
  94 gdb_test "info register bnd2raw" ".*bnd2$test_string" "pure bnd2r register"
  95
  96 set test_string ".*\\\{lbound = 0x28, ubound_raw = 0x\[f\]+ce\\\}.*"
  97 gdb_test "info register bnd3raw" ".*bnd3$test_string" "pure bnd3r register"
  98
  99 # Setting fields on bnds
 100 set test_string ".*\\\{lbound = 0xa, ubound = 0x400\\\}.*"
 101 gdb_test "print \$bnd0.ubound = 0x400" "= \\\(void \\\*\\\) 0x400" "set value for bnd0.ubound"
 102 gdb_test "print  \$bnd0" "$test_string" "after setting bnd0.ubound"
 103 set test_string ".*\\\{lbound = 0xa, ubound_raw = 0x\[f\]+bff\\\}.*"
 104 gdb_test "print /x \$bnd0raw" "$test_string" "bnd0raw after set bnd0.ubound"
 105
 106 set test_string ".*\\\{lbound = 0x1, ubound = 0x400\\\}.*"
 107 gdb_test "print \$bnd0.lbound = 0x1" "= \\\(void \\\*\\\) 0x1" "set value for bnd0.lbound"
 108 gdb_test "print  \$bnd0" "$test_string" "after setting bnd0.lbound"
 109 set test_string ".*\\\{lbound = 0x1, ubound_raw = 0x\[f\]+bff\\\}.*"
 110 gdb_test "print /x \$bnd0raw" "$test_string" "bnd0raw after set bnd0.lbound"
 111
 112 # Setting fields on bnd0raw.
 113 set test_string ".*\\\{lbound = 0x1, ubound_raw = 0x600\\\}.*"
 114 gdb_test "print /x \$bnd0raw.ubound_raw = 0x600" "= 0x600" "set value for bnd0raw.ubound"
 115 gdb_test "print /x \$bnd0raw" "$test_string" "bnd0raw after setting bnd0raw.ubound"
 116 set test_string ".*\\\{lbound = 0x1, ubound = 0x\[f\]+9ff\\\}.*"
 117 gdb_test "print /x \$bnd0" "$test_string" "bnd0 after set bnd0raw.ubound"
 118
 119 set test_string ".*\\\{lbound = 0x100, ubound_raw = 0x600\\\}.*"
 120 gdb_test "print /x \$bnd0raw.lbound = 0x100" "= 0x100" "set value for bnd0raw.lbound"
 121 gdb_test "print /x \$bnd0raw" "$test_string" "bnd0raw after setting bnd0raw.lbound"
 122 set test_string ".*\\\{lbound = 0x100, ubound = 0x\[f\]+9ff\\\}.*"
 123 gdb_test "print /x \$bnd0" "$test_string" "bnd0 after set bnd0raw.lbound"
 124
 125 # Set full value bnd raw
 126 set test_string ".*\\\{lbound = 0x10, ubound_raw = 0x\[f\]+cff\\\}.*"
 127 gdb_test "print /x \$bnd0raw = {0x10, ~0x300}" "$test_string" "set full value for bnd0raw"
 128 set test_string ".*\\\{lbound = 0x10, ubound = 0x300\\\}.*"
 129 gdb_test "print /x \$bnd0" "$test_string" "bnd0raw after setting full bnd0raw"
 130
 131 # Set full value bnd
 132 set test_string ".*\\\{lbound = 0x10, ubound = 0x300\\\}.*"
 133 gdb_test "print /x \$bnd0 = {0x10, 0x300}" "$test_string" "set full value for bnd0"
 134 set test_string ".*\\\{lbound = 0x10, ubound_raw = 0x\[f\]+cff\\\}.*"
 135 gdb_test "print /x \$bnd0raw" "$test_string" "bnd0raw after setting full bnd0"
 136
 137 # Test bndcfg register and bndstatus after a failure on bndstr
 138 gdb_test "print \$bndstatus.status.error" "= 2" "bndstatus error is 2\
 139 after a failure on allocating an entry"
 140
 141 # Going to test the python extension for lenght.
 142 if { [skip_python_tests] } { continue }
 143 # Verify if size is right
 144 set test_string ".*\\\: size 17.*"
 145 gdb_test "print /x \$bnd0 = {0x10, 0x20}" "$test_string" "verify size for bnd0"
 146
 147 send_gdb "quit\n"