GDB 7.6.50

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

Index: gdb/testsuite/gdb.arch/i386-mpx.c
diff --git a/gdb/testsuite/gdb.arch/i386-mpx.c b/gdb/testsuite/gdb.arch/i386-mpx.c
new file mode 100644
index 0000000000000000000000000000000000000000..db7cb3bd951a97d6f9f8664bafd0a419bd2702d3
--- /dev/null
+++ b/gdb/testsuite/gdb.arch/i386-mpx.c
@@ -0,0 +1,92 @@
+/* Test program for MPX registers.
+
+   Copyright 2013 Free Software Foundation, Inc.
+
+   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 <stdio.h>
+#include "i386-cpuid.h"
+
+#ifndef NOINLINE
+#define NOINLINE __attribute__ ((noinline))
+#endif
+
+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;
+     }
+}
+
+int
+main (int argc, char **argv)
+{
+  if (have_mpx ())
+    {
+#ifdef __x86_64__
+      asm ("mov $10, %rax\n\t"
+	  "mov $9, %rdx\n\t"
+	  "bndmk (%rax,%rdx), %bnd0\n\t"
+	  "mov $20, %rax\n\t"
+	  "mov $9, %rdx\n\t"
+	  "bndmk (%rax,%rdx), %bnd1\n\t"
+	  "mov $30, %rax\n\t"
+	  "mov $9, %rdx\n\t"
+	  "bndmk (%rax,%rdx), %bnd2\n\t"
+	  "mov $40, %rax\n\t"
+	  "mov $9, %rdx\n\t"
+	  "bndmk (%rax,%rdx), %bnd3\n\t"
+	  "bndstx %bnd3, (%rax) \n\t"
+	  "nop\n\t"
+         );
+#else
+      asm ("mov $10, %eax\n\t"
+	   "mov $9, %edx\n\t"
+	   "bndmk (%eax,%edx), %bnd0\n\t"
+	   "mov $20, %eax\n\t"
+	   "mov $9, %edx\n\t"
+	   "bndmk (%eax,%edx), %bnd1\n\t"
+	   "mov $30, %eax\n\t"
+	   "mov $9, %edx\n\t"
+	   "bndmk (%eax,%edx), %bnd2\n\t"
+	   "mov $40, %eax\n\t"
+	   "mov $9, %edx\n\t"
+	   "bndmk (%eax,%edx), %bnd3\n\t"
+	   "bndstx  %bnd3, (%eax)\n\t"
+	   "nop\n\t"
+	  );
+#endif
+	asm ("nop\n\t");	/* break here.  */
+    }
+  return 0;
+}