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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
* vim: set ts=8 sts=4 et sw=4 tw=99:
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef jscpucfg_h
#define jscpucfg_h
#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_WORD 8
# define JS_BITS_PER_WORD_LOG2 6
# 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_WORD 4
# define JS_BITS_PER_WORD_LOG2 5
#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 /* jscpucfg_h */
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