* libc/include/sys/cdefs.h: Align with latest FreeBSD file header.
* libc/include/sys/features.h (__GNUC_PREREQ__): Define.
This commit is contained in:
Corinna Vinschen
parent
fc1ff1150c
commit
9770af188f
|
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@ -1,3 +1,8 @@
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2013-04-22 Sebastian Huber <sebastian.huber@embedded-brains.de>
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* libc/include/sys/cdefs.h: Align with latest FreeBSD file header.
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* libc/include/sys/features.h (__GNUC_PREREQ__): Define.
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2013-04-19 Corinna Vinschen <vinschen@redhat.com>
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* newlib/libc/search/hash.c: Revert patch from 2012-08-08.
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@ -2,7 +2,7 @@
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/* Written 2000 by Werner Almesberger */
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/*
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/*-
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* Copyright (c) 1991, 1993
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* The Regents of the University of California. All rights reserved.
|
||||
*
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@ -17,10 +17,6 @@
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|||
* 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.
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||||
* 4. Neither the name of the University nor the names of its contributors
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||||
* may be used to endorse or promote products derived from this software
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||||
* without specific prior written permission.
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@ -38,47 +34,20 @@
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* SUCH DAMAGE.
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*
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* @(#)cdefs.h 8.8 (Berkeley) 1/9/95
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* $FreeBSD: src/sys/sys/cdefs.h,v 1.54 2002/05/11 03:58:24 alfred Exp $
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* $FreeBSD$
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*/
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#ifndef _SYS_CDEFS_H
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#define _SYS_CDEFS_H
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#ifndef _SYS_CDEFS_H_
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#define _SYS_CDEFS_H_
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#include <sys/features.h>
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#include <stddef.h>
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#include <stdint.h>
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||||
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||||
#define __FBSDID(x) /* nothing */
|
||||
/*
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||||
* Note: the goal here is not compatibility to K&R C. Since we know that we
|
||||
* have GCC which understands ANSI C perfectly well, we make use of this.
|
||||
*/
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||||
|
||||
#define __P(args) args
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||||
#define __PMT(args) args
|
||||
#define __const const
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||||
#define __signed signed
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||||
#define __volatile volatile
|
||||
#define __DOTS , ...
|
||||
#define __THROW
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||||
|
||||
/*
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* The __CONCAT macro is used to concatenate parts of symbol names, e.g.
|
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* with "#define OLD(foo) __CONCAT(old,foo)", OLD(foo) produces oldfoo.
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||||
* The __CONCAT macro is a bit tricky to use if it must work in non-ANSI
|
||||
* mode -- there must be no spaces between its arguments, and for nested
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||||
* __CONCAT's, all the __CONCAT's must be at the left. __CONCAT can also
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||||
* concatenate double-quoted strings produced by the __STRING macro, but
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||||
* this only works with ANSI C.
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||||
*
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||||
* __XSTRING is like __STRING, but it expands any macros in its argument
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* first. It is only available with ANSI C.
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||||
*/
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#define __CONCAT1(x,y) x ## y
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#define __CONCAT(x,y) __CONCAT1(x,y)
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#define __STRING(x) #x /* stringify without expanding x */
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||||
#define __XSTRING(x) __STRING(x) /* expand x, then stringify */
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#ifdef __GNUC__
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# define __ASMNAME(cname) __XSTRING (__USER_LABEL_PREFIX__) cname
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#endif
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|
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@ -91,43 +60,399 @@
|
|||
#define __attribute_format_strfmon__(a,b)
|
||||
#define __flexarr [0]
|
||||
|
||||
#ifdef __cplusplus
|
||||
# define __BEGIN_DECLS extern "C" {
|
||||
# define __END_DECLS }
|
||||
#else
|
||||
# define __BEGIN_DECLS
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||||
# define __END_DECLS
|
||||
#endif
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||||
|
||||
#ifndef __BOUNDED_POINTERS__
|
||||
# define __bounded /* nothing */
|
||||
# define __unbounded /* nothing */
|
||||
# define __ptrvalue /* nothing */
|
||||
#endif
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||||
|
||||
#if defined(__cplusplus)
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||||
#define __BEGIN_DECLS extern "C" {
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#define __END_DECLS }
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||||
#else
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||||
#define __BEGIN_DECLS
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||||
#define __END_DECLS
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||||
#endif
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|
||||
/*
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* This code has been put in place to help reduce the addition of
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||||
* compiler specific defines in FreeBSD code. It helps to aid in
|
||||
* having a compiler-agnostic source tree.
|
||||
*/
|
||||
|
||||
#if defined(__GNUC__) || defined(__INTEL_COMPILER)
|
||||
|
||||
#if __GNUC__ >= 3 || defined(__INTEL_COMPILER)
|
||||
#define __GNUCLIKE_ASM 3
|
||||
#define __GNUCLIKE_MATH_BUILTIN_CONSTANTS
|
||||
#else
|
||||
#define __GNUCLIKE_ASM 2
|
||||
#endif
|
||||
#define __GNUCLIKE___TYPEOF 1
|
||||
#define __GNUCLIKE___OFFSETOF 1
|
||||
#define __GNUCLIKE___SECTION 1
|
||||
|
||||
#ifndef __INTEL_COMPILER
|
||||
# define __GNUCLIKE_CTOR_SECTION_HANDLING 1
|
||||
#endif
|
||||
|
||||
#define __GNUCLIKE_BUILTIN_CONSTANT_P 1
|
||||
# if defined(__INTEL_COMPILER) && defined(__cplusplus) \
|
||||
&& __INTEL_COMPILER < 800
|
||||
# undef __GNUCLIKE_BUILTIN_CONSTANT_P
|
||||
# endif
|
||||
|
||||
#if (__GNUC_MINOR__ > 95 || __GNUC__ >= 3) && !defined(__INTEL_COMPILER)
|
||||
# define __GNUCLIKE_BUILTIN_VARARGS 1
|
||||
# define __GNUCLIKE_BUILTIN_STDARG 1
|
||||
# define __GNUCLIKE_BUILTIN_VAALIST 1
|
||||
#endif
|
||||
|
||||
#if defined(__GNUC__)
|
||||
# define __GNUC_VA_LIST_COMPATIBILITY 1
|
||||
#endif
|
||||
|
||||
/*
|
||||
* Compiler memory barriers, specific to gcc and clang.
|
||||
*/
|
||||
#if defined(__GNUC__)
|
||||
#define __compiler_membar() __asm __volatile(" " : : : "memory")
|
||||
#endif
|
||||
|
||||
#ifndef __INTEL_COMPILER
|
||||
# define __GNUCLIKE_BUILTIN_NEXT_ARG 1
|
||||
# define __GNUCLIKE_MATH_BUILTIN_RELOPS
|
||||
#endif
|
||||
|
||||
#define __GNUCLIKE_BUILTIN_MEMCPY 1
|
||||
|
||||
/* XXX: if __GNUC__ >= 2: not tested everywhere originally, where replaced */
|
||||
#define __CC_SUPPORTS_INLINE 1
|
||||
#define __CC_SUPPORTS___INLINE 1
|
||||
#define __CC_SUPPORTS___INLINE__ 1
|
||||
|
||||
#define __CC_SUPPORTS___FUNC__ 1
|
||||
#define __CC_SUPPORTS_WARNING 1
|
||||
|
||||
#define __CC_SUPPORTS_VARADIC_XXX 1 /* see varargs.h */
|
||||
|
||||
#define __CC_SUPPORTS_DYNAMIC_ARRAY_INIT 1
|
||||
|
||||
#endif /* __GNUC__ || __INTEL_COMPILER */
|
||||
|
||||
/*
|
||||
* The __CONCAT macro is used to concatenate parts of symbol names, e.g.
|
||||
* with "#define OLD(foo) __CONCAT(old,foo)", OLD(foo) produces oldfoo.
|
||||
* The __CONCAT macro is a bit tricky to use if it must work in non-ANSI
|
||||
* mode -- there must be no spaces between its arguments, and for nested
|
||||
* __CONCAT's, all the __CONCAT's must be at the left. __CONCAT can also
|
||||
* concatenate double-quoted strings produced by the __STRING macro, but
|
||||
* this only works with ANSI C.
|
||||
*
|
||||
* __XSTRING is like __STRING, but it expands any macros in its argument
|
||||
* first. It is only available with ANSI C.
|
||||
*/
|
||||
#if defined(__STDC__) || defined(__cplusplus)
|
||||
#define __P(protos) protos /* full-blown ANSI C */
|
||||
#define __CONCAT1(x,y) x ## y
|
||||
#define __CONCAT(x,y) __CONCAT1(x,y)
|
||||
#define __STRING(x) #x /* stringify without expanding x */
|
||||
#define __XSTRING(x) __STRING(x) /* expand x, then stringify */
|
||||
|
||||
#define __const const /* define reserved names to standard */
|
||||
#define __signed signed
|
||||
#define __volatile volatile
|
||||
#if defined(__cplusplus)
|
||||
#define __inline inline /* convert to C++ keyword */
|
||||
#else
|
||||
#if !(defined(__CC_SUPPORTS___INLINE))
|
||||
#define __inline /* delete GCC keyword */
|
||||
#endif /* ! __CC_SUPPORTS___INLINE */
|
||||
#endif /* !__cplusplus */
|
||||
|
||||
#else /* !(__STDC__ || __cplusplus) */
|
||||
#define __P(protos) () /* traditional C preprocessor */
|
||||
#define __CONCAT(x,y) x/**/y
|
||||
#define __STRING(x) "x"
|
||||
|
||||
#if !defined(__CC_SUPPORTS___INLINE)
|
||||
#define __const /* delete pseudo-ANSI C keywords */
|
||||
#define __inline
|
||||
#define __signed
|
||||
#define __volatile
|
||||
/*
|
||||
* In non-ANSI C environments, new programs will want ANSI-only C keywords
|
||||
* deleted from the program and old programs will want them left alone.
|
||||
* When using a compiler other than gcc, programs using the ANSI C keywords
|
||||
* const, inline etc. as normal identifiers should define -DNO_ANSI_KEYWORDS.
|
||||
* When using "gcc -traditional", we assume that this is the intent; if
|
||||
* __GNUC__ is defined but __STDC__ is not, we leave the new keywords alone.
|
||||
*/
|
||||
#ifndef NO_ANSI_KEYWORDS
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||||
#define const /* delete ANSI C keywords */
|
||||
#define inline
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||||
#define signed
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||||
#define volatile
|
||||
#endif /* !NO_ANSI_KEYWORDS */
|
||||
#endif /* !__CC_SUPPORTS___INLINE */
|
||||
#endif /* !(__STDC__ || __cplusplus) */
|
||||
|
||||
/*
|
||||
* Compiler-dependent macros to help declare dead (non-returning) and
|
||||
* pure (no side effects) functions, and unused variables. They are
|
||||
* null except for versions of gcc that are known to support the features
|
||||
* properly (old versions of gcc-2 supported the dead and pure features
|
||||
* in a different (wrong) way). If we do not provide an implementation
|
||||
* for a given compiler, let the compile fail if it is told to use
|
||||
* a feature that we cannot live without.
|
||||
*/
|
||||
#ifdef lint
|
||||
#define __dead2
|
||||
#define __pure2
|
||||
#define __unused
|
||||
#define __packed
|
||||
#define __aligned(x)
|
||||
#define __section(x)
|
||||
#else
|
||||
#if !__GNUC_PREREQ__(2, 5) && !defined(__INTEL_COMPILER)
|
||||
#define __dead2
|
||||
#define __pure2
|
||||
#define __unused
|
||||
#endif
|
||||
#if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 && __GNUC_MINOR__ < 7 && !defined(__INTEL_COMPILER)
|
||||
#define __dead2 __attribute__((__noreturn__))
|
||||
#define __pure2 __attribute__((__const__))
|
||||
#define __unused
|
||||
/* XXX Find out what to do for __packed, __aligned and __section */
|
||||
#endif
|
||||
#if __GNUC_PREREQ__(2, 7)
|
||||
#define __dead2 __attribute__((__noreturn__))
|
||||
#define __pure2 __attribute__((__const__))
|
||||
#define __unused __attribute__((__unused__))
|
||||
#define __used __attribute__((__used__))
|
||||
#define __packed __attribute__((__packed__))
|
||||
#define __aligned(x) __attribute__((__aligned__(x)))
|
||||
#define __section(x) __attribute__((__section__(x)))
|
||||
#endif
|
||||
#if defined(__INTEL_COMPILER)
|
||||
#define __dead2 __attribute__((__noreturn__))
|
||||
#define __pure2 __attribute__((__const__))
|
||||
#define __unused __attribute__((__unused__))
|
||||
#define __used __attribute__((__used__))
|
||||
#define __packed __attribute__((__packed__))
|
||||
#define __aligned(x) __attribute__((__aligned__(x)))
|
||||
#define __section(x) __attribute__((__section__(x)))
|
||||
#endif
|
||||
#endif
|
||||
|
||||
#if !__GNUC_PREREQ__(2, 95)
|
||||
#define __alignof(x) __offsetof(struct { char __a; x __b; }, __b)
|
||||
#endif
|
||||
|
||||
/*
|
||||
* Keywords added in C11.
|
||||
*/
|
||||
#if defined(__cplusplus) && __cplusplus >= 201103L
|
||||
#define _Alignas(e) alignas(e)
|
||||
#define _Alignof(e) alignof(e)
|
||||
#define _Noreturn [[noreturn]]
|
||||
#define _Static_assert(e, s) static_assert(e, s)
|
||||
/* FIXME: change this to thread_local when clang in base supports it */
|
||||
#define _Thread_local __thread
|
||||
#elif defined(__STDC_VERSION__) && __STDC_VERSION__ >= 201112L
|
||||
/* Do nothing. They are language keywords. */
|
||||
#else
|
||||
/* Not supported. Implement them using our versions. */
|
||||
#define _Alignas(x) __aligned(x)
|
||||
#define _Alignof(x) __alignof(x)
|
||||
#define _Noreturn __dead2
|
||||
#define _Thread_local __thread
|
||||
#ifdef __COUNTER__
|
||||
#define _Static_assert(x, y) __Static_assert(x, __COUNTER__)
|
||||
#define __Static_assert(x, y) ___Static_assert(x, y)
|
||||
#define ___Static_assert(x, y) typedef char __assert_ ## y[(x) ? 1 : -1]
|
||||
#else
|
||||
#define _Static_assert(x, y) struct __hack
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/*
|
||||
* Emulation of C11 _Generic(). Unlike the previously defined C11
|
||||
* keywords, it is not possible to implement this using exactly the same
|
||||
* syntax. Therefore implement something similar under the name
|
||||
* __generic(). Unlike _Generic(), this macro can only distinguish
|
||||
* between a single type, so it requires nested invocations to
|
||||
* distinguish multiple cases.
|
||||
*/
|
||||
|
||||
#if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 201112L
|
||||
#define __generic(expr, t, yes, no) \
|
||||
_Generic(expr, t: yes, default: no)
|
||||
#elif __GNUC_PREREQ__(3, 1) && !defined(__cplusplus)
|
||||
#define __generic(expr, t, yes, no) \
|
||||
__builtin_choose_expr( \
|
||||
__builtin_types_compatible_p(__typeof(expr), t), yes, no)
|
||||
#endif
|
||||
|
||||
#if __GNUC_PREREQ__(2, 96)
|
||||
#define __malloc_like __attribute__((__malloc__))
|
||||
#define __pure __attribute__((__pure__))
|
||||
#else
|
||||
#define __malloc_like
|
||||
#define __pure
|
||||
#endif
|
||||
|
||||
#if __GNUC_PREREQ__(3, 1) || (defined(__INTEL_COMPILER) && __INTEL_COMPILER >= 800)
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||||
#define __always_inline __attribute__((__always_inline__))
|
||||
#else
|
||||
#define __always_inline
|
||||
#endif
|
||||
|
||||
#if __GNUC_PREREQ__(3, 1)
|
||||
#define __noinline __attribute__ ((__noinline__))
|
||||
#else
|
||||
#define __noinline
|
||||
#endif
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||||
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||||
#if __GNUC_PREREQ__(3, 3)
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||||
#define __nonnull(x) __attribute__((__nonnull__(x)))
|
||||
#else
|
||||
#define __nonnull(x)
|
||||
#endif
|
||||
|
||||
#if __GNUC_PREREQ__(3, 4)
|
||||
#define __fastcall __attribute__((__fastcall__))
|
||||
#else
|
||||
#define __fastcall
|
||||
#endif
|
||||
|
||||
#if __GNUC_PREREQ__(4, 1)
|
||||
#define __returns_twice __attribute__((__returns_twice__))
|
||||
#else
|
||||
#define __returns_twice
|
||||
#endif
|
||||
|
||||
/* XXX: should use `#if __STDC_VERSION__ < 199901'. */
|
||||
#if !__GNUC_PREREQ__(2, 7) && !defined(__INTEL_COMPILER)
|
||||
#define __func__ NULL
|
||||
#endif
|
||||
|
||||
/*
|
||||
* GCC 2.95 provides `__restrict' as an extension to C90 to support the
|
||||
* C99-specific `restrict' type qualifier. We happen to use `__restrict' as
|
||||
* a way to define the `restrict' type qualifier without disturbing older
|
||||
* software that is unaware of C99 keywords.
|
||||
*/
|
||||
#if !(__GNUC__ == 2 && __GNUC_MINOR__ == 95)
|
||||
#if !defined(__STDC_VERSION__) || __STDC_VERSION__ < 199901 || defined(lint)
|
||||
#define __restrict
|
||||
#else
|
||||
#define __restrict restrict
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/*
|
||||
* GNU C version 2.96 adds explicit branch prediction so that
|
||||
* the CPU back-end can hint the processor and also so that
|
||||
* code blocks can be reordered such that the predicted path
|
||||
* sees a more linear flow, thus improving cache behavior, etc.
|
||||
*
|
||||
* The following two macros provide us with a way to utilize this
|
||||
* compiler feature. Use __predict_true() if you expect the expression
|
||||
* to evaluate to true, and __predict_false() if you expect the
|
||||
* expression to evaluate to false.
|
||||
*
|
||||
* A few notes about usage:
|
||||
*
|
||||
* * Generally, __predict_false() error condition checks (unless
|
||||
* you have some _strong_ reason to do otherwise, in which case
|
||||
* document it), and/or __predict_true() `no-error' condition
|
||||
* checks, assuming you want to optimize for the no-error case.
|
||||
*
|
||||
* * Other than that, if you don't know the likelihood of a test
|
||||
* succeeding from empirical or other `hard' evidence, don't
|
||||
* make predictions.
|
||||
*
|
||||
* * These are meant to be used in places that are run `a lot'.
|
||||
* It is wasteful to make predictions in code that is run
|
||||
* seldomly (e.g. at subsystem initialization time) as the
|
||||
* basic block reordering that this affects can often generate
|
||||
* larger code.
|
||||
*/
|
||||
#if __GNUC_PREREQ__(2, 96)
|
||||
#define __predict_true(exp) __builtin_expect((exp), 1)
|
||||
#define __predict_false(exp) __builtin_expect((exp), 0)
|
||||
#else
|
||||
#define __predict_true(exp) (exp)
|
||||
#define __predict_false(exp) (exp)
|
||||
#endif
|
||||
|
||||
#if __GNUC_PREREQ__(4, 2)
|
||||
#define __hidden __attribute__((__visibility__("hidden")))
|
||||
#define __exported __attribute__((__visibility__("default")))
|
||||
#else
|
||||
#define __hidden
|
||||
#define __exported
|
||||
#endif
|
||||
|
||||
#define __offsetof(type, field) offsetof(type, field)
|
||||
#define __rangeof(type, start, end) \
|
||||
(__offsetof(type, end) - __offsetof(type, start))
|
||||
|
||||
/*
|
||||
* Given the pointer x to the member m of the struct s, return
|
||||
* a pointer to the containing structure. When using GCC, we first
|
||||
* assign pointer x to a local variable, to check that its type is
|
||||
* compatible with member m.
|
||||
*/
|
||||
#if __GNUC_PREREQ(3, 1)
|
||||
#if __GNUC_PREREQ__(3, 1)
|
||||
#define __containerof(x, s, m) ({ \
|
||||
const volatile __typeof__(((s *)0)->m) *__x = (x); \
|
||||
__DEQUALIFY(s *, (const volatile char *)__x - offsetof(s, m));\
|
||||
__DEQUALIFY(s *, (const volatile char *)__x - __offsetof(s, m));\
|
||||
})
|
||||
#else
|
||||
#define __containerof(x, s, m) \
|
||||
__DEQUALIFY(s *, (const volatile char *)(x) - offsetof(s, m))
|
||||
__DEQUALIFY(s *, (const volatile char *)(x) - __offsetof(s, m))
|
||||
#endif
|
||||
|
||||
#ifndef __DEQUALIFY
|
||||
#define __DEQUALIFY(type, var) ((type)(uintptr_t)(const volatile void *)(var))
|
||||
/*
|
||||
* Compiler-dependent macros to declare that functions take printf-like
|
||||
* or scanf-like arguments. They are null except for versions of gcc
|
||||
* that are known to support the features properly (old versions of gcc-2
|
||||
* didn't permit keeping the keywords out of the application namespace).
|
||||
*/
|
||||
#if !__GNUC_PREREQ__(2, 7) && !defined(__INTEL_COMPILER)
|
||||
#define __printflike(fmtarg, firstvararg)
|
||||
#define __scanflike(fmtarg, firstvararg)
|
||||
#define __format_arg(fmtarg)
|
||||
#define __strfmonlike(fmtarg, firstvararg)
|
||||
#define __strftimelike(fmtarg, firstvararg)
|
||||
#else
|
||||
#define __printflike(fmtarg, firstvararg) \
|
||||
__attribute__((__format__ (__printf__, fmtarg, firstvararg)))
|
||||
#define __scanflike(fmtarg, firstvararg) \
|
||||
__attribute__((__format__ (__scanf__, fmtarg, firstvararg)))
|
||||
#define __format_arg(fmtarg) __attribute__((__format_arg__ (fmtarg)))
|
||||
#define __strfmonlike(fmtarg, firstvararg) \
|
||||
__attribute__((__format__ (__strfmon__, fmtarg, firstvararg)))
|
||||
#define __strftimelike(fmtarg, firstvararg) \
|
||||
__attribute__((__format__ (__strftime__, fmtarg, firstvararg)))
|
||||
#endif
|
||||
|
||||
#ifdef __GNUC__
|
||||
/* Compiler-dependent macros that rely on FreeBSD-specific extensions. */
|
||||
#if defined(__FreeBSD_cc_version) && __FreeBSD_cc_version >= 300001 && \
|
||||
defined(__GNUC__) && !defined(__INTEL_COMPILER)
|
||||
#define __printf0like(fmtarg, firstvararg) \
|
||||
__attribute__((__format__ (__printf0__, fmtarg, firstvararg)))
|
||||
#else
|
||||
#define __printf0like(fmtarg, firstvararg)
|
||||
#endif
|
||||
|
||||
#if defined(__GNUC__) || defined(__INTEL_COMPILER)
|
||||
#ifndef __INTEL_COMPILER
|
||||
#define __strong_reference(sym,aliassym) \
|
||||
extern __typeof (sym) aliassym __attribute__ ((__alias__ (#sym)));
|
||||
extern __typeof (sym) aliassym __attribute__ ((__alias__ (#sym)))
|
||||
#endif
|
||||
#ifdef __ELF__
|
||||
#ifdef __STDC__
|
||||
#define __weak_reference(sym,alias) \
|
||||
|
|
@ -137,6 +462,10 @@
|
|||
__asm__(".section .gnu.warning." #sym); \
|
||||
__asm__(".asciz \"" msg "\""); \
|
||||
__asm__(".previous")
|
||||
#define __sym_compat(sym,impl,verid) \
|
||||
__asm__(".symver " #impl ", " #sym "@" #verid)
|
||||
#define __sym_default(sym,impl,verid) \
|
||||
__asm__(".symver " #impl ", " #sym "@@" #verid)
|
||||
#else
|
||||
#define __weak_reference(sym,alias) \
|
||||
__asm__(".weak alias"); \
|
||||
|
|
@ -145,6 +474,10 @@
|
|||
__asm__(".section .gnu.warning.sym"); \
|
||||
__asm__(".asciz \"msg\""); \
|
||||
__asm__(".previous")
|
||||
#define __sym_compat(sym,impl,verid) \
|
||||
__asm__(".symver impl, sym@verid")
|
||||
#define __sym_default(impl,sym,verid) \
|
||||
__asm__(".symver impl, sym@@verid")
|
||||
#endif /* __STDC__ */
|
||||
#else /* !__ELF__ */
|
||||
#ifdef __STDC__
|
||||
|
|
@ -163,6 +496,156 @@
|
|||
__asm__(".stabs \"_/**/sym\",1,0,0,0")
|
||||
#endif /* __STDC__ */
|
||||
#endif /* __ELF__ */
|
||||
#endif /* __GNUC__ */
|
||||
#endif /* __GNUC__ || __INTEL_COMPILER */
|
||||
|
||||
#endif /* _SYS_CDEFS_H */
|
||||
#ifndef __FBSDID
|
||||
#define __FBSDID(s) struct __hack
|
||||
#endif
|
||||
|
||||
#ifndef __RCSID
|
||||
#define __RCSID(s) struct __hack
|
||||
#endif
|
||||
|
||||
#ifndef __RCSID_SOURCE
|
||||
#define __RCSID_SOURCE(s) struct __hack
|
||||
#endif
|
||||
|
||||
#ifndef __SCCSID
|
||||
#define __SCCSID(s) struct __hack
|
||||
#endif
|
||||
|
||||
#ifndef __COPYRIGHT
|
||||
#define __COPYRIGHT(s) struct __hack
|
||||
#endif
|
||||
|
||||
#ifndef __DECONST
|
||||
#define __DECONST(type, var) ((type)(uintptr_t)(const void *)(var))
|
||||
#endif
|
||||
|
||||
#ifndef __DEVOLATILE
|
||||
#define __DEVOLATILE(type, var) ((type)(uintptr_t)(volatile void *)(var))
|
||||
#endif
|
||||
|
||||
#ifndef __DEQUALIFY
|
||||
#define __DEQUALIFY(type, var) ((type)(uintptr_t)(const volatile void *)(var))
|
||||
#endif
|
||||
|
||||
/*-
|
||||
* The following definitions are an extension of the behavior originally
|
||||
* implemented in <sys/_posix.h>, but with a different level of granularity.
|
||||
* POSIX.1 requires that the macros we test be defined before any standard
|
||||
* header file is included.
|
||||
*
|
||||
* Here's a quick run-down of the versions:
|
||||
* defined(_POSIX_SOURCE) 1003.1-1988
|
||||
* _POSIX_C_SOURCE == 1 1003.1-1990
|
||||
* _POSIX_C_SOURCE == 2 1003.2-1992 C Language Binding Option
|
||||
* _POSIX_C_SOURCE == 199309 1003.1b-1993
|
||||
* _POSIX_C_SOURCE == 199506 1003.1c-1995, 1003.1i-1995,
|
||||
* and the omnibus ISO/IEC 9945-1: 1996
|
||||
* _POSIX_C_SOURCE == 200112 1003.1-2001
|
||||
* _POSIX_C_SOURCE == 200809 1003.1-2008
|
||||
*
|
||||
* In addition, the X/Open Portability Guide, which is now the Single UNIX
|
||||
* Specification, defines a feature-test macro which indicates the version of
|
||||
* that specification, and which subsumes _POSIX_C_SOURCE.
|
||||
*
|
||||
* Our macros begin with two underscores to avoid namespace screwage.
|
||||
*/
|
||||
|
||||
/* Deal with IEEE Std. 1003.1-1990, in which _POSIX_C_SOURCE == 1. */
|
||||
#if defined(_POSIX_C_SOURCE) && _POSIX_C_SOURCE == 1
|
||||
#undef _POSIX_C_SOURCE /* Probably illegal, but beyond caring now. */
|
||||
#define _POSIX_C_SOURCE 199009
|
||||
#endif
|
||||
|
||||
/* Deal with IEEE Std. 1003.2-1992, in which _POSIX_C_SOURCE == 2. */
|
||||
#if defined(_POSIX_C_SOURCE) && _POSIX_C_SOURCE == 2
|
||||
#undef _POSIX_C_SOURCE
|
||||
#define _POSIX_C_SOURCE 199209
|
||||
#endif
|
||||
|
||||
/* Deal with various X/Open Portability Guides and Single UNIX Spec. */
|
||||
#ifdef _XOPEN_SOURCE
|
||||
#if _XOPEN_SOURCE - 0 >= 700
|
||||
#define __XSI_VISIBLE 700
|
||||
#undef _POSIX_C_SOURCE
|
||||
#define _POSIX_C_SOURCE 200809
|
||||
#elif _XOPEN_SOURCE - 0 >= 600
|
||||
#define __XSI_VISIBLE 600
|
||||
#undef _POSIX_C_SOURCE
|
||||
#define _POSIX_C_SOURCE 200112
|
||||
#elif _XOPEN_SOURCE - 0 >= 500
|
||||
#define __XSI_VISIBLE 500
|
||||
#undef _POSIX_C_SOURCE
|
||||
#define _POSIX_C_SOURCE 199506
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/*
|
||||
* Deal with all versions of POSIX. The ordering relative to the tests above is
|
||||
* important.
|
||||
*/
|
||||
#if defined(_POSIX_SOURCE) && !defined(_POSIX_C_SOURCE)
|
||||
#define _POSIX_C_SOURCE 198808
|
||||
#endif
|
||||
#ifdef _POSIX_C_SOURCE
|
||||
#if _POSIX_C_SOURCE >= 200809
|
||||
#define __POSIX_VISIBLE 200809
|
||||
#define __ISO_C_VISIBLE 1999
|
||||
#elif _POSIX_C_SOURCE >= 200112
|
||||
#define __POSIX_VISIBLE 200112
|
||||
#define __ISO_C_VISIBLE 1999
|
||||
#elif _POSIX_C_SOURCE >= 199506
|
||||
#define __POSIX_VISIBLE 199506
|
||||
#define __ISO_C_VISIBLE 1990
|
||||
#elif _POSIX_C_SOURCE >= 199309
|
||||
#define __POSIX_VISIBLE 199309
|
||||
#define __ISO_C_VISIBLE 1990
|
||||
#elif _POSIX_C_SOURCE >= 199209
|
||||
#define __POSIX_VISIBLE 199209
|
||||
#define __ISO_C_VISIBLE 1990
|
||||
#elif _POSIX_C_SOURCE >= 199009
|
||||
#define __POSIX_VISIBLE 199009
|
||||
#define __ISO_C_VISIBLE 1990
|
||||
#else
|
||||
#define __POSIX_VISIBLE 198808
|
||||
#define __ISO_C_VISIBLE 0
|
||||
#endif /* _POSIX_C_SOURCE */
|
||||
#else
|
||||
/*-
|
||||
* Deal with _ANSI_SOURCE:
|
||||
* If it is defined, and no other compilation environment is explicitly
|
||||
* requested, then define our internal feature-test macros to zero. This
|
||||
* makes no difference to the preprocessor (undefined symbols in preprocessing
|
||||
* expressions are defined to have value zero), but makes it more convenient for
|
||||
* a test program to print out the values.
|
||||
*
|
||||
* If a program mistakenly defines _ANSI_SOURCE and some other macro such as
|
||||
* _POSIX_C_SOURCE, we will assume that it wants the broader compilation
|
||||
* environment (and in fact we will never get here).
|
||||
*/
|
||||
#if defined(_ANSI_SOURCE) /* Hide almost everything. */
|
||||
#define __POSIX_VISIBLE 0
|
||||
#define __XSI_VISIBLE 0
|
||||
#define __BSD_VISIBLE 0
|
||||
#define __ISO_C_VISIBLE 1990
|
||||
#elif defined(_C99_SOURCE) /* Localism to specify strict C99 env. */
|
||||
#define __POSIX_VISIBLE 0
|
||||
#define __XSI_VISIBLE 0
|
||||
#define __BSD_VISIBLE 0
|
||||
#define __ISO_C_VISIBLE 1999
|
||||
#elif defined(_C11_SOURCE) /* Localism to specify strict C11 env. */
|
||||
#define __POSIX_VISIBLE 0
|
||||
#define __XSI_VISIBLE 0
|
||||
#define __BSD_VISIBLE 0
|
||||
#define __ISO_C_VISIBLE 2011
|
||||
#else /* Default environment: show everything. */
|
||||
#define __POSIX_VISIBLE 200809
|
||||
#define __XSI_VISIBLE 700
|
||||
#define __BSD_VISIBLE 1
|
||||
#define __ISO_C_VISIBLE 2011
|
||||
#endif
|
||||
#endif
|
||||
|
||||
#endif /* !_SYS_CDEFS_H_ */
|
||||
|
|
|
|||
|
|
@ -34,6 +34,8 @@ extern "C" {
|
|||
# define __GNUC_PREREQ(maj, min) 0
|
||||
# endif
|
||||
#endif /* __GNUC_PREREQ */
|
||||
/* Version with trailing underscores for BSD compatibility. */
|
||||
#define __GNUC_PREREQ__(ma, mi) __GNUC_PREREQ(ma, mi)
|
||||
|
||||
/* RTEMS adheres to POSIX -- 1003.1b with some features from annexes. */
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue