This is the start of the FreeBSD/x86_64 kernel.

1 files changed, 218 insertions, 0 deletions

diff --git a/sys/amd64/include/limits.h b/sys/amd64/include/limits.h
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+/*
+ * Copyright (c) 1988, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)limits.h	8.3 (Berkeley) 1/4/94
+ *	From: NetBSD: limits.h,v 1.3 1997/04/06 08:47:31 cgd Exp
+ * 	From: FreeBSD: src/sys/alpha/include/limits.h,v 1.8 2001/11/02
+ * $FreeBSD$
+ */
+
+#ifndef	_MACHINE_LIMITS_H_
+#define	_MACHINE_LIMITS_H_
+
+#define	CHAR_BIT	8		/* number of bits in a char */
+#define	MB_LEN_MAX	6		/* Allow 31 bit UTF2 */
+
+/*
+ * According to ANSI (section 2.2.4.2), the values below must be usable by
+ * #if preprocessing directives.  Additionally, the expression must have the
+ * same type as would an expression that is an object of the corresponding
+ * type converted according to the integral promotions.  The subtraction for
+ * INT_MIN, etc., is so the value is not unsigned; e.g., 0x80000000 is an
+ * unsigned int for 32-bit two's complement ANSI compilers (section 3.1.3.2).
+ * These numbers are for the default configuration of gcc.  They work for
+ * some other compilers as well, but this should not be depended on.
+ */
+#define	SCHAR_MAX	0x7f		/* max value for a signed char */
+#define	SCHAR_MIN	(-0x7f-1)	/* min value for a signed char */
+
+#define	UCHAR_MAX	0xffU		/* max value for an unsigned char */
+#define	CHAR_MAX	0x7f		/* max value for a char */
+#define	CHAR_MIN	(-0x7f-1)	/* min value for a char */
+
+#define	USHRT_MAX	0xffffU		/* max value for an unsigned short */
+#define	SHRT_MAX	0x7fff		/* max value for a short */
+#define	SHRT_MIN	(-0x7fff-1)	/* min value for a short */
+
+#define	UINT_MAX	0xffffffffU	/* max value for an unsigned int */
+#define	INT_MAX		0x7fffffff	/* max value for an int */
+#define	INT_MIN		(-0x7fffffff-1)	/* min value for an int */
+
+#define	ULONG_MAX	0xffffffffffffffffUL	/* max for an unsigned long */
+#define	LONG_MAX	0x7fffffffffffffffL	/* max for a long */
+#define	LONG_MIN	(-0x7fffffffffffffffL-1) /* min for a long */
+
+/* Long longs and longs are the same size on the alpha. */
+					/* max for an unsigned long long */
+#define	ULLONG_MAX	0xffffffffffffffffULL
+#define	LLONG_MAX	0x7fffffffffffffffLL	/* max for a long long */
+#define	LLONG_MIN	(-0x7fffffffffffffffLL-1) /* min for a long long */
+
+#if !defined(_ANSI_SOURCE)
+#define	SSIZE_MAX	LONG_MAX	/* max value for a ssize_t */
+
+#if !defined(_POSIX_SOURCE) && !defined(_XOPEN_SOURCE)
+#define	SIZE_T_MAX	ULONG_MAX	/* max value for a size_t */
+
+#define	OFF_MAX		LONG_MAX	/* max value for a off_t */
+#define	OFF_MIN		LONG_MIN	/* min value for a off_t */
+
+/* Quads and longs are the same on the alpha.  Ensure they stay in sync. */
+#define	UQUAD_MAX	(ULONG_MAX)	/* max value for a uquad_t */
+#define	QUAD_MAX	(LONG_MAX)	/* max value for a quad_t */
+#define	QUAD_MIN	(LONG_MIN)	/* min value for a quad_t */
+
+#if !defined(__cplusplus) || defined(__STDC_LIMIT_MACROS)
+/*
+ * ISO/IEC 9899:1999
+ * 7.18.2.1 Limits of exact-width integer types
+ */
+/* Minimum values of exact-width signed integer types. */
+#define	INT8_MIN	(-0x7f-1)
+#define	INT16_MIN	(-0x7fff-1)
+#define	INT32_MIN	(-0x7fffffff-1)
+#define	INT64_MIN	(-0x7fffffffffffffffL-1)
+
+/* Maximum values of exact-width signed integer types. */
+#define	INT8_MAX	0x7f
+#define	INT16_MAX	0x7fff
+#define	INT32_MAX	0x7fffffff
+#define	INT64_MAX	0x7fffffffffffffffL
+
+/* Maximum values of exact-width unsigned integer types. */
+#define	UINT8_MAX	0xff
+#define	UINT16_MAX	0xffff
+#define	UINT32_MAX	0xffffffffU
+#define	UINT64_MAX	0xffffffffffffffffUL
+
+/*
+ * ISO/IEC 9899:1999
+ * 7.18.2.2  Limits of minimum-width integer types
+ */
+/* Minimum values of minimum-width signed integer types. */
+#define	INT_LEAST8_MIN	SCHAR_MIN
+#define	INT_LEAST16_MIN	SHRT_MIN
+#define	INT_LEAST32_MIN	INT_MIN
+#define	INT_LEAST64_MIN	LONG_MIN
+
+/* Maximum values of minimum-width signed integer types. */
+#define	INT_LEAST8_MAX	SCHAR_MAX
+#define	INT_LEAST16_MAX	SHRT_MAX
+#define	INT_LEAST32_MAX	INT_MAX
+#define	INT_LEAST64_MAX	LONG_MAX
+
+/* Maximum values of minimum-width unsigned integer types. */
+#define	UINT_LEAST8_MAX	 UCHAR_MAX
+#define	UINT_LEAST16_MAX USHRT_MAX
+#define	UINT_LEAST32_MAX UINT_MAX
+#define	UINT_LEAST64_MAX ULONG_MAX
+
+/*
+ * ISO/IEC 9899:1999
+ * 7.18.2.3  Limits of fastest minimum-width integer types
+ */
+/* Minimum values of fastest minimum-width signed integer types. */
+#define	INT_FAST8_MIN	INT_MIN
+#define	INT_FAST16_MIN	INT_MIN
+#define	INT_FAST32_MIN	INT_MIN
+#define	INT_FAST64_MIN	LONG_MIN
+
+/* Maximum values of fastest minimum-width signed integer types. */
+#define	INT_FAST8_MAX	INT_MAX
+#define	INT_FAST16_MAX	INT_MAX
+#define	INT_FAST32_MAX	INT_MAX
+#define	INT_FAST64_MAX	LONG_MAX
+
+/* Maximum values of fastest minimum-width unsigned integer types. */
+#define	UINT_FAST8_MAX	UINT_MAX
+#define	UINT_FAST16_MAX	UINT_MAX
+#define	UINT_FAST32_MAX	UINT_MAX
+#define	UINT_FAST64_MAX	ULONG_MAX
+
+/*
+ * ISO/IEC 9899:1999
+ * 7.18.2.4  Limits of integer types capable of holding object pointers
+ */
+#define	INTPTR_MIN	LONG_MIN
+#define	INTPTR_MAX	LONG_MAX
+#define	UINTPTR_MAX	ULONG_MAX
+
+/*
+ * ISO/IEC 9899:1999
+ * 7.18.2.5  Limits of greatest-width integer types
+ */
+#define	INTMAX_MIN	LONG_MIN
+#define	INTMAX_MAX	LONG_MAX
+#define	UINTMAX_MAX	ULONG_MAX
+
+/*
+ * ISO/IEC 9899:1999
+ * 7.18.3  Limits of other integer types
+ */
+/* Limits of ptrdiff_t. */
+#define	PTRDIFF_MIN	LONG_MIN	
+#define	PTRDIFF_MAX	LONG_MAX
+
+/* Limits of sig_atomic_t. */
+#define	SIG_ATOMIC_MIN	INT_MIN
+#define	SIG_ATOMIC_MAX	INT_MAX
+
+/* Limit of size_t. */
+#define	SIZE_MAX	ULONG_MAX
+
+#ifndef WCHAR_MIN /* Also possibly defined in <wchar.h> */
+/* Limits of wchar_t. */
+#define	WCHAR_MIN	INT_MIN
+#define	WCHAR_MAX	INT_MAX
+
+/* Limits of wint_t. */
+#define	WINT_MIN	INT_MIN
+#define	WINT_MAX	INT_MAX
+#endif
+#endif /* !defined(__cplusplus) || defined(__STDC_LIMIT_MACROS) */
+#endif /* !_POSIX_SOURCE && !_XOPEN_SOURCE */
+#endif /* !_ANSI_SOURCE */
+
+#if (!defined(_ANSI_SOURCE)&&!defined(_POSIX_SOURCE)) || defined(_XOPEN_SOURCE)
+#define	LONG_BIT	64
+#define	WORD_BIT	32
+
+#define	DBL_DIG		15
+#define	DBL_MAX		1.7976931348623157E+308
+#define	DBL_MIN		2.2250738585072014E-308
+
+#define	FLT_DIG		6
+#define	FLT_MAX		3.40282347E+38F
+#define	FLT_MIN		1.17549435E-38F
+#endif
+
+#endif /* !_MACHINE_LIMITS_H_ */