/js/src/jscpucfg.h
http://github.com/zpao/v8monkey · C Header · 154 lines · 94 code · 18 blank · 42 comment · 27 complexity · 9862bd564e225d585de2e3b58770314e MD5 · raw file
- /* -*- 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___ */