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Diffstat (limited to 'libc/include/sys/cdefs.h')
| -rw-r--r-- | libc/include/sys/cdefs.h | 376 |
1 files changed, 0 insertions, 376 deletions
diff --git a/libc/include/sys/cdefs.h b/libc/include/sys/cdefs.h deleted file mode 100644 index fe7033d..0000000 --- a/libc/include/sys/cdefs.h +++ /dev/null @@ -1,376 +0,0 @@ -/* $NetBSD: cdefs.h,v 1.58 2004/12/11 05:59:00 christos Exp $ */ - -/* - * Copyright (c) 1991, 1993 - * The Regents of the University of California. All rights reserved. - * - * This code is derived from software contributed to Berkeley by - * Berkeley Software Design, Inc. - * - * 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. 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. - * - * @(#)cdefs.h 8.8 (Berkeley) 1/9/95 - */ - -#ifndef _SYS_CDEFS_H_ -#define _SYS_CDEFS_H_ - - -/* our implementation of wchar_t is only 8-bit - die die non-portable code */ -#undef __WCHAR_TYPE__ -#define __WCHAR_TYPE__ unsigned char - - -/* - * Macro to test if we're using a GNU C compiler of a specific vintage - * or later, for e.g. features that appeared in a particular version - * of GNU C. Usage: - * - * #if __GNUC_PREREQ__(major, minor) - * ...cool feature... - * #else - * ...delete feature... - * #endif - */ -#ifdef __GNUC__ -#define __GNUC_PREREQ__(x, y) \ - ((__GNUC__ == (x) && __GNUC_MINOR__ >= (y)) || \ - (__GNUC__ > (x))) -#else -#define __GNUC_PREREQ__(x, y) 0 -#endif - -//XXX #include <machine/cdefs.h> - -/* BIONIC: simpler definition */ -#define __BSD_VISIBLE 1 - -#include <sys/cdefs_elf.h> - -#if defined(__cplusplus) -#define __BEGIN_DECLS extern "C" { -#define __END_DECLS } -#define __static_cast(x,y) static_cast<x>(y) -#else -#define __BEGIN_DECLS -#define __END_DECLS -#define __static_cast(x,y) (x)y -#endif - -/* - * 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 -- make sure you don't put spaces - * in between its arguments. __CONCAT can also concatenate double-quoted - * strings produced by the __STRING macro, but this only works with ANSI C. - */ - -#define ___STRING(x) __STRING(x) -#define ___CONCAT(x,y) __CONCAT(x,y) - -#if __STDC__ || defined(__cplusplus) -#define __P(protos) protos /* full-blown ANSI C */ -#define __CONCAT(x,y) x ## y -#define __STRING(x) #x - -#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(__GNUC__) && !defined(__lint__) -#define __inline /* delete GCC keyword */ -#endif /* !__GNUC__ && !__lint__ */ -#endif /* !__cplusplus */ - -#else /* !(__STDC__ || __cplusplus) */ -#define __P(protos) () /* traditional C preprocessor */ -#define __CONCAT(x,y) x/**/y -#define __STRING(x) "x" - -#ifndef __GNUC__ -#define __const /* delete pseudo-ANSI C keywords */ -#define __inline -#define __signed -#define __volatile -#endif /* !__GNUC__ */ - -/* - * 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. - * Programs using the ANSI C keywords const, inline etc. as normal - * identifiers should define -DNO_ANSI_KEYWORDS. - */ -#ifndef NO_ANSI_KEYWORDS -#define const __const /* convert ANSI C keywords */ -#define inline __inline -#define signed __signed -#define volatile __volatile -#endif /* !NO_ANSI_KEYWORDS */ -#endif /* !(__STDC__ || __cplusplus) */ - -/* - * Used for internal auditing of the NetBSD source tree. - */ -#ifdef __AUDIT__ -#define __aconst __const -#else -#define __aconst -#endif - -/* - * The following macro is used to remove const cast-away warnings - * from gcc -Wcast-qual; it should be used with caution because it - * can hide valid errors; in particular most valid uses are in - * situations where the API requires it, not to cast away string - * constants. We don't use *intptr_t on purpose here and we are - * explicit about unsigned long so that we don't have additional - * dependencies. - */ -#define __UNCONST(a) ((void *)(unsigned long)(const void *)(a)) - -/* - * GCC2 provides __extension__ to suppress warnings for various GNU C - * language extensions under "-ansi -pedantic". - */ -#if !__GNUC_PREREQ__(2, 0) -#define __extension__ /* delete __extension__ if non-gcc or gcc1 */ -#endif - -/* - * GCC1 and some versions of GCC2 declare dead (non-returning) and - * pure (no side effects) functions using "volatile" and "const"; - * unfortunately, these then cause warnings under "-ansi -pedantic". - * GCC2 uses a new, peculiar __attribute__((attrs)) style. All of - * these work for GNU C++ (modulo a slight glitch in the C++ grammar - * in the distribution version of 2.5.5). - */ -#if !__GNUC_PREREQ__(2, 5) -#define __attribute__(x) /* delete __attribute__ if non-gcc or gcc1 */ -#if defined(__GNUC__) && !defined(__STRICT_ANSI__) -#define __dead __volatile -#define __pure __const -#endif -#endif - -/* Delete pseudo-keywords wherever they are not available or needed. */ -#ifndef __dead -#define __dead -#define __pure -#endif - -#if __GNUC_PREREQ__(2, 7) -#define __unused __attribute__((__unused__)) -#else -#define __unused /* delete */ -#endif - -#if __GNUC_PREREQ__(3, 1) -#define __used __attribute__((__used__)) -#else -#define __used /* delete */ -#endif - -#if __GNUC_PREREQ__(2, 7) -#define __packed __attribute__((__packed__)) -#define __aligned(x) __attribute__((__aligned__(x))) -#define __section(x) __attribute__((__section__(x))) -#elif defined(__lint__) -#define __packed /* delete */ -#define __aligned(x) /* delete */ -#define __section(x) /* delete */ -#else -#define __packed error: no __packed for this compiler -#define __aligned(x) error: no __aligned for this compiler -#define __section(x) error: no __section for this compiler -#endif - -#if !__GNUC_PREREQ__(2, 8) -#define __extension__ -#endif - -#if __GNUC_PREREQ__(2, 8) -#define __statement(x) __extension__(x) -#elif defined(lint) -#define __statement(x) (0) -#else -#define __statement(x) (x) -#endif - -/* - * C99 defines the restrict type qualifier keyword, which was made available - * in GCC 2.92. - */ -#if __STDC_VERSION__ >= 199901L -#define __restrict restrict -#else -#if !__GNUC_PREREQ__(2, 92) -#define __restrict /* delete __restrict when not supported */ -#endif -#endif - -/* - * C99 defines __func__ predefined identifier, which was made available - * in GCC 2.95. - */ -#if !(__STDC_VERSION__ >= 199901L) -#if __GNUC_PREREQ__(2, 6) -#define __func__ __PRETTY_FUNCTION__ -#elif __GNUC_PREREQ__(2, 4) -#define __func__ __FUNCTION__ -#else -#define __func__ "" -#endif -#endif /* !(__STDC_VERSION__ >= 199901L) */ - -#if defined(_KERNEL) -#if defined(NO_KERNEL_RCSIDS) -#undef __KERNEL_RCSID -#define __KERNEL_RCSID(_n, _s) /* nothing */ -#endif /* NO_KERNEL_RCSIDS */ -#endif /* _KERNEL */ - -#if !defined(_STANDALONE) && !defined(_KERNEL) -#ifdef __GNUC__ -#define __RENAME(x) ___RENAME(x) -#else -#ifdef __lint__ -#define __RENAME(x) __symbolrename(x) -#else -#error "No function renaming possible" -#endif /* __lint__ */ -#endif /* __GNUC__ */ -#else /* _STANDALONE || _KERNEL */ -#define __RENAME(x) no renaming in kernel or standalone environment -#endif - -/* - * A barrier to stop the optimizer from moving code or assume live - * register values. This is gcc specific, the version is more or less - * arbitrary, might work with older compilers. - */ -#if __GNUC_PREREQ__(2, 95) -#define __insn_barrier() __asm __volatile("":::"memory") -#else -#define __insn_barrier() /* */ -#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 use 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) != 0, 1) -#define __predict_false(exp) __builtin_expect((exp) != 0, 0) -#else -#define __predict_true(exp) (exp) -#define __predict_false(exp) (exp) -#endif - -#if __GNUC_PREREQ__(2, 96) -#define __noreturn __attribute__((__noreturn__)) -#define __mallocfunc __attribute__((malloc)) -#else -#define __noreturn -#define __mallocfunc -#endif - -/* - * Macros for manipulating "link sets". Link sets are arrays of pointers - * to objects, which are gathered up by the linker. - * - * Object format-specific code has provided us with the following macros: - * - * __link_set_add_text(set, sym) - * Add a reference to the .text symbol `sym' to `set'. - * - * __link_set_add_rodata(set, sym) - * Add a reference to the .rodata symbol `sym' to `set'. - * - * __link_set_add_data(set, sym) - * Add a reference to the .data symbol `sym' to `set'. - * - * __link_set_add_bss(set, sym) - * Add a reference to the .bss symbol `sym' to `set'. - * - * __link_set_decl(set, ptype) - * Provide an extern declaration of the set `set', which - * contains an array of the pointer type `ptype'. This - * macro must be used by any code which wishes to reference - * the elements of a link set. - * - * __link_set_start(set) - * This points to the first slot in the link set. - * - * __link_set_end(set) - * This points to the (non-existent) slot after the last - * entry in the link set. - * - * __link_set_count(set) - * Count the number of entries in link set `set'. - * - * In addition, we provide the following macros for accessing link sets: - * - * __link_set_foreach(pvar, set) - * Iterate over the link set `set'. Because a link set is - * an array of pointers, pvar must be declared as "type **pvar", - * and the actual entry accessed as "*pvar". - * - * __link_set_entry(set, idx) - * Access the link set entry at index `idx' from set `set'. - */ -#define __link_set_foreach(pvar, set) \ - for (pvar = __link_set_start(set); pvar < __link_set_end(set); pvar++) - -#define __link_set_entry(set, idx) (__link_set_begin(set)[idx]) - -#define __BIONIC__ 1 - -#endif /* !_SYS_CDEFS_H_ */ |