/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
 *
 * ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is Mozilla Communicator client code, released
 * March 31, 1998.
 *
 * The Initial Developer of the Original Code is
 * Netscape Communications Corporation.
 * Portions created by the Initial Developer are Copyright (C) 1998
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either of the GNU General Public License Version 2 or later (the "GPL"),
 * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */

#ifndef js_cpucfg___
#define js_cpucfg___

#define JS_HAVE_LONG_LONG

#if defined(_WIN64)

#if defined(_M_X64) || defined(_M_AMD64) || defined(_AMD64_)
#define IS_LITTLE_ENDIAN 1
#undef  IS_BIG_ENDIAN
#define JS_BYTES_PER_DOUBLE 8
#define JS_BYTES_PER_WORD   8
#define JS_BITS_PER_WORD_LOG2   6
#define JS_ALIGN_OF_POINTER 8
#else  /* !(defined(_M_X64) || defined(_M_AMD64) || defined(_AMD64_)) */
#error "CPU type is unknown"
#endif /* !(defined(_M_X64) || defined(_M_AMD64) || defined(_AMD64_)) */

#elif defined(_WIN32) || defined(XP_OS2)

#ifdef __WATCOMC__
#define HAVE_VA_LIST_AS_ARRAY 1
#endif

#define IS_LITTLE_ENDIAN 1
#undef  IS_BIG_ENDIAN
#define JS_BYTES_PER_DOUBLE 8
#define JS_BYTES_PER_WORD   4
#define JS_BITS_PER_WORD_LOG2   5
#define JS_ALIGN_OF_POINTER 4

#elif defined(__APPLE__)
#if __LITTLE_ENDIAN__
#define IS_LITTLE_ENDIAN 1
#undef  IS_BIG_ENDIAN
#elif __BIG_ENDIAN__
#undef  IS_LITTLE_ENDIAN
#define IS_BIG_ENDIAN 1
#endif

#elif defined(JS_HAVE_ENDIAN_H)
#include <endian.h>

#if defined(__BYTE_ORDER)
#if __BYTE_ORDER == __LITTLE_ENDIAN
#define IS_LITTLE_ENDIAN 1
#undef  IS_BIG_ENDIAN
#elif __BYTE_ORDER == __BIG_ENDIAN
#undef  IS_LITTLE_ENDIAN
#define IS_BIG_ENDIAN 1
#endif
#else /* !defined(__BYTE_ORDER) */
#error "endian.h does not define __BYTE_ORDER. Cannot determine endianness."
#endif

/* BSDs */
#elif defined(JS_HAVE_MACHINE_ENDIAN_H)
# include <sys/types.h>
# include <machine/endian.h>

# if defined(_BYTE_ORDER)
#  if _BYTE_ORDER == _LITTLE_ENDIAN
#   define IS_LITTLE_ENDIAN 1
#   undef  IS_BIG_ENDIAN
#  elif _BYTE_ORDER == _BIG_ENDIAN
#   undef  IS_LITTLE_ENDIAN
#   define IS_BIG_ENDIAN 1
#  endif
# else /* !defined(_BYTE_ORDER) */
#  error "machine/endian.h does not define _BYTE_ORDER. Cannot determine endianness."
# endif

#elif defined(JS_HAVE_SYS_ISA_DEFS_H)
#include <sys/isa_defs.h>

#if defined(_BIG_ENDIAN)
#undef IS_LITTLE_ENDIAN
#define IS_BIG_ENDIAN 1
#elif defined(_LITTLE_ENDIAN)
#define IS_LITTLE_ENDIAN 1
#undef IS_BIG_ENDIAN
#else /* !defined(_LITTLE_ENDIAN) */
#error "sys/isa_defs.h does not define _BIG_ENDIAN or _LITTLE_ENDIAN. Cannot determine endianness."
#endif
#if !defined(JS_STACK_GROWTH_DIRECTION)
#if defined(_STACK_GROWS_UPWARD)
#define JS_STACK_GROWTH_DIRECTION (1)
#elif defined(_STACK_GROWS_DOWNWARD)
#define JS_STACK_GROWTH_DIRECTION (-1)
#endif
#endif

#elif defined(__sparc) || defined(__sparc__) || \
      defined(_POWER) || defined(__powerpc__) || \
      defined(__ppc__) || defined(__hppa) || \
      defined(_MIPSEB) || defined(_BIG_ENDIAN)
/* IA64 running HP-UX will have _BIG_ENDIAN defined.
 * IA64 running Linux will have endian.h and be handled above.
 */
#undef IS_LITTLE_ENDIAN
#define IS_BIG_ENDIAN 1

#else /* !defined(__sparc) && !defined(__sparc__) && ... */
#error "Cannot determine endianness of your platform. Please add support to jscpucfg.h."
#endif

#ifndef JS_STACK_GROWTH_DIRECTION
#ifdef __hppa
# define JS_STACK_GROWTH_DIRECTION (1)
#else
# define JS_STACK_GROWTH_DIRECTION (-1)
#endif
#endif

#endif /* js_cpucfg___ */
