michael@0: /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
michael@0:  * vim: set ts=8 sts=4 et sw=4 tw=99:
michael@0:  * This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #ifndef jscpucfg_h
michael@0: #define jscpucfg_h
michael@0: 
michael@0: #define JS_HAVE_LONG_LONG
michael@0: 
michael@0: #if defined(_WIN64)
michael@0: 
michael@0: # if defined(_M_X64) || defined(_M_AMD64) || defined(_AMD64_)
michael@0: #  define IS_LITTLE_ENDIAN 1
michael@0: #  undef  IS_BIG_ENDIAN
michael@0: # else  /* !(defined(_M_X64) || defined(_M_AMD64) || defined(_AMD64_)) */
michael@0: #  error "CPU type is unknown"
michael@0: # endif /* !(defined(_M_X64) || defined(_M_AMD64) || defined(_AMD64_)) */
michael@0: 
michael@0: #elif defined(_WIN32)
michael@0: 
michael@0: # ifdef __WATCOMC__
michael@0: #  define HAVE_VA_LIST_AS_ARRAY 1
michael@0: # endif
michael@0: 
michael@0: # define IS_LITTLE_ENDIAN 1
michael@0: # undef  IS_BIG_ENDIAN
michael@0: 
michael@0: #elif defined(__APPLE__) || defined(__powerpc__) || defined(__ppc__)
michael@0: # if __LITTLE_ENDIAN__
michael@0: #  define IS_LITTLE_ENDIAN 1
michael@0: #  undef  IS_BIG_ENDIAN
michael@0: # elif __BIG_ENDIAN__
michael@0: #  undef  IS_LITTLE_ENDIAN
michael@0: #  define IS_BIG_ENDIAN 1
michael@0: # endif
michael@0: 
michael@0: #elif defined(JS_HAVE_ENDIAN_H)
michael@0: # include <endian.h>
michael@0: 
michael@0: # if defined(__BYTE_ORDER)
michael@0: #  if __BYTE_ORDER == __LITTLE_ENDIAN
michael@0: #   define IS_LITTLE_ENDIAN 1
michael@0: #   undef  IS_BIG_ENDIAN
michael@0: #  elif __BYTE_ORDER == __BIG_ENDIAN
michael@0: #   undef  IS_LITTLE_ENDIAN
michael@0: #   define IS_BIG_ENDIAN 1
michael@0: #  endif
michael@0: # else /* !defined(__BYTE_ORDER) */
michael@0: #  error "endian.h does not define __BYTE_ORDER. Cannot determine endianness."
michael@0: # endif
michael@0: 
michael@0: /* BSDs */
michael@0: #elif defined(JS_HAVE_MACHINE_ENDIAN_H)
michael@0: # include <sys/types.h>
michael@0: # include <machine/endian.h>
michael@0: 
michael@0: # if defined(_BYTE_ORDER)
michael@0: #  if _BYTE_ORDER == _LITTLE_ENDIAN
michael@0: #   define IS_LITTLE_ENDIAN 1
michael@0: #   undef  IS_BIG_ENDIAN
michael@0: #  elif _BYTE_ORDER == _BIG_ENDIAN
michael@0: #   undef  IS_LITTLE_ENDIAN
michael@0: #   define IS_BIG_ENDIAN 1
michael@0: #  endif
michael@0: # else /* !defined(_BYTE_ORDER) */
michael@0: #  error "machine/endian.h does not define _BYTE_ORDER. Cannot determine endianness."
michael@0: # endif
michael@0: 
michael@0: #elif defined(JS_HAVE_SYS_ISA_DEFS_H)
michael@0: # include <sys/isa_defs.h>
michael@0: 
michael@0: # if defined(_BIG_ENDIAN)
michael@0: #  undef IS_LITTLE_ENDIAN
michael@0: #  define IS_BIG_ENDIAN 1
michael@0: # elif defined(_LITTLE_ENDIAN)
michael@0: #  define IS_LITTLE_ENDIAN 1
michael@0: #  undef IS_BIG_ENDIAN
michael@0: # else /* !defined(_LITTLE_ENDIAN) */
michael@0: #  error "sys/isa_defs.h does not define _BIG_ENDIAN or _LITTLE_ENDIAN. Cannot determine endianness."
michael@0: # endif
michael@0: # if !defined(JS_STACK_GROWTH_DIRECTION)
michael@0: #  if defined(_STACK_GROWS_UPWARD)
michael@0: #   define JS_STACK_GROWTH_DIRECTION (1)
michael@0: #  elif defined(_STACK_GROWS_DOWNWARD)
michael@0: #   define JS_STACK_GROWTH_DIRECTION (-1)
michael@0: #  endif
michael@0: # endif
michael@0: 
michael@0: #elif defined(__sparc) || defined(__sparc__) || \
michael@0:       defined(_POWER) || defined(__hppa) || \
michael@0:       defined(_MIPSEB) || defined(_BIG_ENDIAN)
michael@0: /* IA64 running HP-UX will have _BIG_ENDIAN defined.
michael@0:  * IA64 running Linux will have endian.h and be handled above.
michael@0:  */
michael@0: # undef IS_LITTLE_ENDIAN
michael@0: # define IS_BIG_ENDIAN 1
michael@0: 
michael@0: #else /* !defined(__sparc) && !defined(__sparc__) && ... */
michael@0: # error "Cannot determine endianness of your platform. Please add support to jscpucfg.h."
michael@0: #endif
michael@0: 
michael@0: #ifndef JS_STACK_GROWTH_DIRECTION
michael@0: # ifdef __hppa
michael@0: #  define JS_STACK_GROWTH_DIRECTION (1)
michael@0: # else
michael@0: #  define JS_STACK_GROWTH_DIRECTION (-1)
michael@0: # endif
michael@0: #endif
michael@0: 
michael@0: #endif /* jscpucfg_h */