binutils-gdb/gdb/testsuite/gdb.arch/i386-mpx-map.c
Joel Brobecker 61baf725ec update copyright year range in GDB files
This applies the second part of GDB's End of Year Procedure, which
updates the copyright year range in all of GDB's files.

gdb/ChangeLog:

        Update copyright year range in all GDB files.
2017-01-01 10:52:34 +04:00

95 lines
2.0 KiB
C

/* Test program for MPX map allocated bounds.
Copyright 2015-2017 Free Software Foundation, Inc.
Contributed by Intel Corp. <walfred.tedeschi@intel.com>
<mircea.gherzan@intel.com>
This file is part of GDB.
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/>. */
#include <stdlib.h>
#include "x86-cpuid.h"
#ifndef NOINLINE
#define NOINLINE __attribute__ ((noinline))
#endif
#define SIZE 5
typedef int T;
unsigned int have_mpx (void) NOINLINE;
unsigned int NOINLINE
have_mpx (void)
{
unsigned int eax, ebx, ecx, edx;
if (!__get_cpuid (1, &eax, &ebx, &ecx, &edx))
return 0;
if ((ecx & bit_OSXSAVE) == bit_OSXSAVE)
{
if (__get_cpuid_max (0, NULL) < 7)
return 0;
__cpuid_count (7, 0, eax, ebx, ecx, edx);
if ((ebx & bit_MPX) == bit_MPX)
return 1;
else
return 0;
}
return 0;
}
void
foo (T *p)
{
T *x;
#if defined __GNUC__ && !defined __INTEL_COMPILER
__bnd_store_ptr_bounds (p, &p);
#endif
x = p + SIZE - 1;
#if defined __GNUC__ && !defined __INTEL_COMPILER
__bnd_store_ptr_bounds (x, &x);
#endif
/* Dummy assign. */
x = x + 1; /* after-assign */
return;
}
int
main (void)
{
if (have_mpx ())
{
T *a = NULL;
a = calloc (SIZE, sizeof (T)); /* after-decl */
#if defined __GNUC__ && !defined __INTEL_COMPILER
__bnd_store_ptr_bounds (a, &a);
#endif
foo (a); /* after-alloc */
free (a);
}
return 0;
}