newlib-cygwin/newlib/libc/include/sys/config.h

214 lines
4.9 KiB
C

#ifndef __SYS_CONFIG_H__
#define __SYS_CONFIG_H__
#include <machine/ieeefp.h> /* floating point macros */
/* exceptions first */
#if defined(__H8500__) || defined(__W65__)
#define __SMALL_BITFIELDS
/* ??? This conditional is true for the h8500 and the w65, defining H8300
in those cases probably isn't the right thing to do. */
#define H8300 1
#endif
/* 16 bit integer machines */
#if defined(__Z8001__) || defined(__Z8002__) || defined(__H8500__) || defined(__W65__) || defined (__mn10200__) || defined (__AVR__)
#undef INT_MAX
#undef UINT_MAX
#define INT_MAX 32767
#define UINT_MAX 65535
#endif
#if defined (__H8300__) || defined (__H8300H__) || defined(__H8300S__) || defined (__H8300SX__)
#define __SMALL_BITFIELDS
#define H8300 1
#undef INT_MAX
#undef UINT_MAX
#define INT_MAX __INT_MAX__
#define UINT_MAX (__INT_MAX__ * 2U + 1)
#endif
#ifdef __W65__
#define __SMALL_BITFIELDS
#endif
#if defined(__D10V__)
#define __SMALL_BITFIELDS
#undef INT_MAX
#undef UINT_MAX
#define INT_MAX __INT_MAX__
#define UINT_MAX (__INT_MAX__ * 2U + 1)
#define _POINTER_INT short
#endif
#if defined(__mc68hc11__) || defined(__mc68hc12__) || defined(__mc68hc1x__)
#undef INT_MAX
#undef UINT_MAX
#define INT_MAX __INT_MAX__
#define UINT_MAX (__INT_MAX__ * 2U + 1)
#define _POINTER_INT short
#endif
#ifdef ___AM29K__
#define _FLOAT_RET double
#endif
#ifdef __i386__
#ifndef __unix__
/* in other words, go32 */
#define _FLOAT_RET double
#endif
#if defined(__linux__) || defined(__RDOS__)
/* we want the reentrancy structure to be returned by a function */
#define __DYNAMIC_REENT__
#define HAVE_GETDATE
#define _HAVE_SYSTYPES
#define _READ_WRITE_RETURN_TYPE _ssize_t
#define __LARGE64_FILES 1
/* we use some glibc header files so turn on glibc large file feature */
#define _LARGEFILE64_SOURCE 1
#endif
#endif
#ifdef __mn10200__
#define __SMALL_BITFIELDS
#endif
#ifdef __AVR__
#define __SMALL_BITFIELDS
#define _POINTER_INT short
#endif
#ifdef __v850
#define __ATTRIBUTE_IMPURE_PTR__ __attribute__((__sda__))
#endif
/* For the PowerPC eabi, force the _impure_ptr to be in .sdata */
#if defined(__PPC__)
#if defined(_CALL_SYSV)
#define __ATTRIBUTE_IMPURE_PTR__ __attribute__((__section__(".sdata")))
#endif
#ifdef __SPE__
#define _LONG_DOUBLE double
#endif
#endif
#ifdef __mips__
#define __ATTRIBUTE_IMPURE_PTR__ __attribute__((__section__(".sdata")))
#endif
#ifdef __xstormy16__
#define __SMALL_BITFIELDS
#undef INT_MAX
#undef UINT_MAX
#define INT_MAX __INT_MAX__
#define UINT_MAX (__INT_MAX__ * 2U + 1)
#define MALLOC_ALIGNMENT 8
#define _POINTER_INT short
#define __BUFSIZ__ 16
#define _REENT_SMALL
#endif
#ifdef __m32c__
#define __SMALL_BITFIELDS
#undef INT_MAX
#undef UINT_MAX
#define INT_MAX __INT_MAX__
#define UINT_MAX (__INT_MAX__ * 2U + 1)
#define MALLOC_ALIGNMENT 8
#if defined(__r8c_cpu__) || defined(__m16c_cpu__)
#define _POINTER_INT short
#else
#define _POINTER_INT long
#endif
#define __BUFSIZ__ 16
#define _REENT_SMALL
#endif /* __m32c__ */
#ifdef __thumb2__
/* Thumb-2 based ARMv7M devices are really small. */
#define _REENT_SMALL
#endif
#ifdef __SPU__
#define MALLOC_ALIGNMENT 16
#define __CUSTOM_FILE_IO__
#endif
/* This block should be kept in sync with GCC's limits.h. The point
of having these definitions here is to not include limits.h, which
would pollute the user namespace, while still using types of the
the correct widths when deciding how to define __int32_t and
__int64_t. */
#ifndef __INT_MAX__
# ifdef INT_MAX
# define __INT_MAX__ INT_MAX
# else
# define __INT_MAX__ 2147483647
# endif
#endif
#ifndef __LONG_MAX__
# ifdef LONG_MAX
# define __LONG_MAX__ LONG_MAX
# else
# if defined (__alpha__) || (defined (__sparc__) && defined(__arch64__)) \
|| defined (__sparcv9)
# define __LONG_MAX__ 9223372036854775807L
# else
# define __LONG_MAX__ 2147483647L
# endif /* __alpha__ || sparc64 */
# endif
#endif
/* End of block that should be kept in sync with GCC's limits.h. */
#ifndef _POINTER_INT
#define _POINTER_INT long
#endif
#ifdef __frv__
#define __ATTRIBUTE_IMPURE_PTR__ __attribute__((__section__(".sdata")))
#endif
#undef __RAND_MAX
#if __INT_MAX__ == 32767
#define __RAND_MAX 32767
#else
#define __RAND_MAX 0x7fffffff
#endif
#if defined(__CYGWIN__)
#include <cygwin/config.h>
#endif
#if defined(__rtems__)
#define __FILENAME_MAX__ 255
#define _READ_WRITE_RETURN_TYPE _ssize_t
#endif
#ifndef __IMPORT
#define __IMPORT
#endif
/* Define return type of read/write routines. In POSIX, the return type
for read()/write() is "ssize_t" but legacy newlib code has been using
"int" for some time. If not specified, "int" is defaulted. */
#ifndef _READ_WRITE_RETURN_TYPE
#define _READ_WRITE_RETURN_TYPE int
#endif
#ifndef __WCHAR_MAX__
#if __INT_MAX__ == 32767 || defined (_WIN32)
#define __WCHAR_MAX__ 0xffffu
#endif
#endif
/* See if small reent asked for at configuration time and
is not chosen by the platform by default. */
#ifdef _WANT_REENT_SMALL
#ifndef _REENT_SMALL
#define _REENT_SMALL
#endif
#endif
#endif /* __SYS_CONFIG_H__ */