i386-mpx-simple_segv.exp revision 1.1.1.1 
1# Copyright (C) 2015-2016 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
25if { ![istarget i?86-*-*] && ![istarget x86_64-*-* ] } {
26    verbose "Skipping x86 MPX tests."
27    return
28}
29
30standard_testfile
31
32set comp_flags "-mmpx -fcheck-pointer-bounds -I${srcdir}/../nat/"
33
34if { [prepare_for_testing ${testfile}.exp ${testfile} ${srcfile} \
35 [list debug nowarnings additional_flags=${comp_flags}]] } {
36    return -1
37}
38
39if ![runto_main] {
40    untested "could not run to main"
41    return -1
42}
43
44gdb_test_multiple "print have_mpx ()" "have mpx" {
45    -re ".. = 1\r\n$gdb_prompt " {
46        pass "check whether processor supports MPX"
47    }
48    -re ".. = 0\r\n$gdb_prompt " {
49        verbose "processor does not support MPX; skipping MPX tests"
50        return
51    }
52}
53
54set violation [multi_line "Program received signal SIGSEGV, Segmentation fault" \
55                          "Upper bound violation while accessing address $hex" \
56                          "Bounds: \\\[lower = $hex, upper = $hex\\\]"]
57
58set segv_with_exit "Program received signal SIGSEGV,\
59        Segmentation fault.*$inferior_exited_re.*"
60
61
62# Test handler for segmentation fault for:
63# print pass stop
64#
65set parameters "print pass stop"
66with_test_prefix "$parameters" {
67    if ![runto_main] {
68        fail "could not run to main"
69        return -1
70    }
71
72    gdb_test "handle SIGSEGV $parameters"\
73             ".*SIGSEGV.*Yes.*Yes.*Yes.*Segmentation fault.*"\
74             "set parameters"
75
76    gdb_test "continue" ".*$violation.*" "Display"
77
78    gdb_test "where" ".*#0  $hex in upper.*"\
79             "should be in upper"
80}
81
82# Test handler for segmentation fault for:
83# print pass nostop
84#
85set parameters "print pass nostop"
86with_test_prefix "$parameters" {
87    if ![runto_main] {
88        fail "could not run to main"
89        return -1
90    }
91
92    gdb_test "handle SIGSEGV $parameters"\
93             ".*SIGSEGV.*No.*Yes.*Yes.*Segmentation fault.*"\
94             "set parameters"
95
96    gdb_test "continue" ".*$segv_with_exit.*" "Display"
97
98    gdb_test "where" "No stack." "no inferior"
99}
100
101# Test handler for segmentation fault for:
102# print nopass stop
103#
104set parameters "print nopass stop"
105with_test_prefix "$parameters" {
106    if ![runto_main] {
107        fail "could not run to main"
108        return -1
109    }
110
111    gdb_test "handle SIGSEGV $parameters"\
112             ".*SIGSEGV.*Yes.*Yes.*No.*Segmentation fault.*"\
113             "set parameters"
114
115    gdb_test "continue" ".*$violation.*" "Display"
116
117    gdb_test "where" ".*#0  $hex in upper.*"\
118             "should be in upper"
119}
120
121# Test handler for segmentation fault for:
122# print nopass stop
123#
124set parameters "noprint pass nostop"
125with_test_prefix "$parameters" {
126    if ![runto_main] {
127        fail "could not run to main"
128        return -1
129    }
130
131    gdb_test "handle SIGSEGV $parameters"\
132             ".*SIGSEGV.*No.*No.*Yes.*Segmentation fault.*"\
133             "set parameters"
134
135    gdb_test "continue" "Continuing\..*$inferior_exited_re.*"\
136             "Display"
137
138    gdb_test "where" "No stack." "no inferior"
139}
140
141