/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- * * 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 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___ */