binutils-gdb/gdb/testsuite/gdb.arch/i386-mpx-call.c

132 lines
2.5 KiB
C

/* Test for inferior function calls MPX context.
Copyright (C) 2017 Free Software Foundation, Inc.
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 <string.h>
#include "x86-cpuid.h"
/* Defined size for arrays. */
#define ARRAY_LENGTH 5
unsigned int
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;
}
int
upper (int *a, int *b, int *c, int *d, int len)
{
int value;
value = *(a + len);
value = *(b + len);
value = *(c + len);
value = *(d + len);
value = value - *a + 1;
return value;
}
int
lower (int *a, int *b, int *c, int *d, int len)
{
int value;
value = *(a - len);
value = *(b - len);
value = *(c - len);
value = *(d - len);
value = value - *a + 1;
return value;
}
char
char_upper (char *str, int length)
{
char ch;
ch = *(str + length);
return ch;
}
char
char_lower (char *str, int length)
{
char ch;
ch = *(str - length);
return ch;
}
int
main (void)
{
if (have_mpx ())
{
int sa[ARRAY_LENGTH];
int sb[ARRAY_LENGTH];
int sc[ARRAY_LENGTH];
int sd[ARRAY_LENGTH];
int *x, *a, *b, *c, *d;
char mchar;
char hello[] = "Hello";
x = malloc (sizeof (int) * ARRAY_LENGTH);
a = malloc (sizeof (int) * ARRAY_LENGTH);
b = malloc (sizeof (int) * ARRAY_LENGTH);
c = malloc (sizeof (int) * ARRAY_LENGTH);
d = malloc (sizeof (int) * ARRAY_LENGTH);
*x = upper (sa, sb, sc, sd, 0); /* bkpt 1. */
*x = lower (a, b, c, d, 0);
mchar = char_upper (hello, 10);
mchar = char_lower (hello, 10);
free (x);
free (a);
free (b);
free (c);
free (d);
}
return 0;
}