12aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm/** @file 22aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm Common declarations and definitions for Standard C Library headers. 32aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm 42aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm This header consolidates definitions and declarations for compiler specific 52aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm features in one place in order to assist in making the remainder of the 62aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm library as compiler independent as possible. 72aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm 82aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm Certain macro and type definitions are required to be provided by several 92aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm different headers. In order to avoid having multiple definitions, and the 102aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm attendant risk of having the definitions get out of sync, they are defined in 112aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm this header. 122aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm 132aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm Note that MdePkg/Include/Base.h is automatically included and will bring 142aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm processor architecture specific definitions along with it. 152aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm 162aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm Throughout the library, the following macros are used instead of keywords so 172aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm that the library can be easily tuned for different compilers. 182aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm __inline Defined to the appropriate keyword or not defined. 192aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm __func__ Defined to __FUNC__, __FUNCTION__, or NULL as appropriate. 20d7ce700605e1af0e455e31ec11f19ff21d26b525darylm __restrict Defined to nothing for VC++ or to restrict for GCC and C99 compliant compilers. 212aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm 222aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm This file and its contents are inspired by the <sys/cdefs.h> files in Berkeley 232aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm Unix. They have been re-implemented to be specific to the EFI environment. 242aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm 250164fc8e76b6ca9023c893940ddb00ef0b6bee5adaryl.mcdaniel Copyright (c) 2010 - 2014, Intel Corporation. All rights reserved.<BR> 262aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm This program and the accompanying materials are licensed and made available under 272aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm the terms and conditions of the BSD License that accompanies this distribution. 282aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm The full text of the license may be found at 29d7ce700605e1af0e455e31ec11f19ff21d26b525darylm http://opensource.org/licenses/bsd-license. 302aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm 312aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, 322aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. 332aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm 342aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm Portions Copyright (c) 1991, 1993 352aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm The Regents of the University of California. All rights reserved. 362aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm 372aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm Portions of this code are derived from software contributed to Berkeley by 382aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm Berkeley Software Design, Inc. 392aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm Redistribution and use in source and binary forms, with or without 402aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm modification, are permitted provided that the following conditions 412aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm are met: 422aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm 1. Redistributions of source code must retain the above copyright 432aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm notice, this list of conditions and the following disclaimer. 442aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm 2. Redistributions in binary form must reproduce the above copyright 452aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm notice, this list of conditions and the following disclaimer in the 462aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm documentation and/or other materials provided with the distribution. 472aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm 3. Neither the name of the University nor the names of its contributors 482aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm may be used to endorse or promote products derived from this software 492aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm without specific prior written permission. 502aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm 512aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 522aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 532aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 542aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 552aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 562aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 572aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 582aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 592aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 602aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 612aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm SUCH DAMAGE. 622aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm**/ 632aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#ifndef _EFI_CDEFS_H 642aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#define _EFI_CDEFS_H 652aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm 662aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm/* 672aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm* Macro to test if we're using a GNU C compiler of a specific vintage 682aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm* or later, for e.g. features that appeared in a particular version 692aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm* of GNU C. Usage: 702aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm* 712aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm* #if __GNUC_PREREQ__(major, minor) 722aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm* ...cool feature... 732aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm* #else 742aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm* ...delete feature... 752aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm* #endif 762aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm*/ 772aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#ifdef __GNUC__ 782aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#define __GNUC_PREREQ__(x, y) \ 792aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm((__GNUC__ == (x) && __GNUC_MINOR__ >= (y)) || \ 802aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm (__GNUC__ > (x))) 812aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm 822aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#define DONT_USE_STRONG_WEAK_ALIAS 1 832aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm 842aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#else 852aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#define __GNUC_PREREQ__(x, y) 0 862aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#endif 872aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm 882aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#include <sys/featuretest.h> 892aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm//#include <machine/_EfiCdefs.h> 902aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#ifdef __PE32__ 912aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#include <sys/_EfiCdefs_PE32.h> 922aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#else 932aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#include <sys/cdefs_aout.h> 942aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#endif 952aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm 962aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm/* NULL is defined by the automatic inclusion of Base.h by the build tools. */ 972aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm 982aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#ifdef __GNUC__ 992aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm #define _EFI_SIZE_T_ __SIZE_TYPE__ /* sizeof() */ 1002aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm #define _EFI_WCHAR_T __WCHAR_TYPE__ 1012aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm #define _EFI_WINT_T __WINT_TYPE__ 1022aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm //#define _EFI_WINT_MIN (0) 1032aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm //#define _EFI_WINT_MAX (0xFFFF) 1042aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm #define _EFI_PTRDIFF_T_ __PTRDIFF_TYPE__ /* ptr1 - ptr2 --- Must be same size as size_t */ 1055244f47e46709b22ecefcee8e52b6dc6170ed6c9darylm 1062aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#else 1072aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#define _EFI_SIZE_T_ UINTN /* sizeof() */ 1082aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#define _EFI_WCHAR_T UINT16 1092aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#define _EFI_WINT_T INT32 1102aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm //#define _EFI_WINT_MIN (-2147483647) /* wint_t */ 1112aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm //#define _EFI_WINT_MAX ( 2147483647) /* wint_t */ 1122aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm #define _EFI_PTRDIFF_T_ INTN /* ptr1 - ptr2 --- Must be same size as size_t */ 1132aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#endif /* __GNUC__ */ 1142aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm 1152aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#define _EFI_CLOCK_T UINT64 1162aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#define _EFI_TIME_T INT32 1172aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm 1182aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#if defined(__cplusplus) 1192aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#define __BEGIN_DECLS extern "C" { 1202aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#define __END_DECLS } 1212aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#define __static_cast(x,y) static_cast<x>(y) 1222aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#else 1232aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#define __BEGIN_DECLS 1242aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#define __END_DECLS 1252aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#define __static_cast(x,y) (x)y 1262aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#endif 1272aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm 1282aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm /* 1292aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm * The __CONCAT macro is used to concatenate parts of symbol names, e.g. 1302aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm * with "#define OLD(foo) __CONCAT(old,foo)", OLD(foo) produces oldfoo. 1312aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm * The __CONCAT macro is a bit tricky -- make sure you don't put spaces 1322aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm * in between its arguments. __CONCAT can also concatenate double-quoted 1332aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm * strings produced by the __STRING macro, but this only works with ANSI C. 1342aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm */ 1352aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm 1362aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#define ___STRING(x) __STRING(x) 1372aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#define ___CONCAT(x,y) __CONCAT(x,y) 1382aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#define __CONCAT(x,y) x ## y 1392aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#define __STRING(x) #x 1402aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm 1412aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#define __const CONST 1422aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#define __signed signed 1432aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#define __volatile volatile 1442aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm 1452aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#if __STDC__ || defined(__cplusplus) 1462aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm #if defined(__cplusplus) 1472aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm #define __inline inline /* convert to C++ keyword */ 1482aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm #else 1492aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm #if defined(_MSC_VER) || (!defined(__GNUC__) && !defined(__lint__)) 1502aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm #define __inline /* delete C99 keyword */ 1512aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm #endif /* !__GNUC__ && !__lint__ */ 1522aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm #endif /* !__cplusplus */ 1532aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#endif /* !(__STDC__ || __cplusplus) */ 1542aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm 1552aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm/* Used in NetBSD for internal auditing of the source tree. */ 1562aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#define __aconst 1572aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm 1582aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm /* 1592aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm * The following macro is used to remove const cast-away warnings 1602aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm * from gcc -Wcast-qual; it should be used with caution because it 1612aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm * can hide valid errors; in particular most valid uses are in 1622aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm * situations where the API requires it, not to cast away string 1632aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm * constants. We don't use *intptr_t on purpose here and we are 1642aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm * explicit about unsigned long so that we don't have additional 1652aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm * dependencies. 1662aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm */ 1672aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#define __UNCONST(a) ((void *)(a)) 1682aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm//#define __UNCONST(a) ((void *)(PHYSICAL_ADDRESS)(const void *)(a)) 1692aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm 1702aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm /* 1712aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm * The following macro is used to remove the volatile cast-away warnings 1722aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm * from gcc -Wcast-qual; as above it should be used with caution 1732aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm * because it can hide valid errors or warnings. Valid uses include 1742aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm * making it possible to pass a volatile pointer to memset(). 1752aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm * For the same reasons as above, we use unsigned long and not intptr_t. 1762aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm */ 1772aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#define __UNVOLATILE(a) ((void *)(PHYSICAL_ADDRESS)(volatile void *)(a)) 1782aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm 1792aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm /* 1802aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm * GCC2 provides __extension__ to suppress warnings for various GNU C 1812aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm * language extensions under "-ansi -pedantic". 1822aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm */ 1832aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#if !__GNUC_PREREQ__(2, 0) 1842aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#define __extension__ /* delete __extension__ if non-gcc or gcc1 */ 1852aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#endif 1862aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm 1872aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm /* 1882aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm * GCC1 and some versions of GCC2 declare dead (non-returning) and 1892aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm * pure (no side effects) functions using "volatile" and "const"; 1902aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm * unfortunately, these then cause warnings under "-ansi -pedantic". 1912aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm * GCC2 uses a new, peculiar __attribute__((attrs)) style. All of 1922aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm * these work for GNU C++ (modulo a slight glitch in the C++ grammar 1932aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm * in the distribution version of 2.5.5). 1942aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm */ 1952aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#if !__GNUC_PREREQ__(2, 5) 1962aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#define __attribute__(x) /* delete __attribute__ if non-gcc or gcc1 */ 1972aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#if defined(__GNUC__) && !defined(__STRICT_ANSI__) 1982aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#define __dead __volatile 1992aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#define __pure __const 2002aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#endif 2012aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#endif 2022aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm 2032aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm /* Delete pseudo-keywords wherever they are not available or needed. */ 2042aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#ifndef __dead 2052aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#define __dead 2062aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#define __pure 2072aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#endif 2082aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm 2092aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#if __GNUC_PREREQ__(2, 7) 2102aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#define __unused __attribute__((__unused__)) 2112aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#define __noreturn __attribute__((__noreturn__)) 2122aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#else 2132aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#define __unused /* delete */ 2142aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#define __noreturn /* delete */ 2152aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#endif 2162aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm 2172aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#if __GNUC_PREREQ__(3, 1) 2182aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#define __used __attribute__((__used__)) 2192aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#else 2202aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#define __used __unused 2212aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#endif 2222aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm 2232aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#if __GNUC_PREREQ__(2, 7) 2242aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#define __packed __attribute__((__packed__)) 2252aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#define __aligned(x) __attribute__((__aligned__(x))) 2262aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#define __section(x) __attribute__((__section__(x))) 2272aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#elif defined(__lint__) 2282aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#define __packed /* delete */ 2292aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#define __aligned(x) /* delete */ 2302aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#define __section(x) /* delete */ 2312aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#else 2322aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#define __packed error: no __packed for this compiler 2332aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#define __aligned(x) error: no __aligned for this compiler 2342aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#define __section(x) error: no __section for this compiler 2352aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#endif 2362aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm 2372aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm/* 2382aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm* C99 defines the restrict type qualifier keyword, which was made available 2392aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm* in GCC 2.92. 2402aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm*/ 2412aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#if __STDC_VERSION__ >= 199901L 2422aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm #define __restrict restrict 2432aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#else 2442aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm #if defined(_MSC_VER) || !__GNUC_PREREQ__(2, 92) 2452aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm #define __restrict /* delete __restrict when not supported */ 2462aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm #endif 2472aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#endif 2482aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm 2492aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm/* 2502aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm* C99 defines __func__ predefined identifier, which was made available 2512aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm* in GCC 2.95. 2522aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm*/ 2532aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#if !(__STDC_VERSION__ >= 199901L) 2542aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm #if defined(_MSC_VER) 2552aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm #define __func__ __FUNCTION__ /* Use the MS-specific predefined macro */ 2562aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm #elif __GNUC_PREREQ__(2, 6) 2572aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm #define __func__ __PRETTY_FUNCTION__ 2582aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm #elif __GNUC_PREREQ__(2, 4) 2592aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm #define __func__ __FUNCTION__ 2602aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm #else 2612aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm #define __func__ "" 2622aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm #endif 2632aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#endif /* !(__STDC_VERSION__ >= 199901L) */ 2642aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm 265d7ce700605e1af0e455e31ec11f19ff21d26b525darylm#define __RENAME(x) 2662aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm 2672aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm /* 2682aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm * A barrier to stop the optimizer from moving code or assume live 2692aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm * register values. This is gcc specific, the version is more or less 2702aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm * arbitrary, might work with older compilers. 2712aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm */ 2722aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#if __GNUC_PREREQ__(2, 95) 2732aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#define __insn_barrier() __asm __volatile("":::"memory") 2742aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#else 2752aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#define __insn_barrier() /* */ 2762aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#endif 2772aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm 2782aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm /* 2792aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm * GNU C version 2.96 adds explicit branch prediction so that 2802aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm * the CPU back-end can hint the processor and also so that 2812aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm * code blocks can be reordered such that the predicted path 2822aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm * sees a more linear flow, thus improving cache behavior, etc. 2832aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm * 2842aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm * The following two macros provide us with a way to use this 2852aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm * compiler feature. Use __predict_true() if you expect the expression 2862aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm * to evaluate to true, and __predict_false() if you expect the 2872aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm * expression to evaluate to false. 2882aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm * 2892aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm * A few notes about usage: 2902aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm * 2912aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm * * Generally, __predict_false() error condition checks (unless 2922aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm * you have some _strong_ reason to do otherwise, in which case 2932aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm * document it), and/or __predict_true() `no-error' condition 2942aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm * checks, assuming you want to optimize for the no-error case. 2952aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm * 2962aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm * * Other than that, if you don't know the likelihood of a test 2972aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm * succeeding from empirical or other `hard' evidence, don't 2982aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm * make predictions. 2992aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm * 3002aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm * * These are meant to be used in places that are run `a lot'. 3012aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm * It is wasteful to make predictions in code that is run 3022aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm * seldomly (e.g. at subsystem initialization time) as the 3032aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm * basic block reordering that this affects can often generate 3042aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm * larger code. 3052aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm */ 3062aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#if __GNUC_PREREQ__(2, 96) 3072aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#define __predict_true(exp) __builtin_expect((exp) != 0, 1) 3082aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#define __predict_false(exp) __builtin_expect((exp) != 0, 0) 3092aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#else 3102aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#define __predict_true(exp) (exp) 3112aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#define __predict_false(exp) (exp) 3122aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#endif 3132aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm 3142aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm/* find least significant bit that is set */ 3152aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#define __LOWEST_SET_BIT(__mask) ((((__mask) - 1) & (__mask)) ^ (__mask)) 3162aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm 3172aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#define __SHIFTOUT(__x, __mask) (((__x) & (__mask)) / __LOWEST_SET_BIT(__mask)) 3182aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#define __SHIFTIN(__x, __mask) ((__x) * __LOWEST_SET_BIT(__mask)) 3192aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#define __SHIFTOUT_MASK(__mask) __SHIFTOUT((__mask), (__mask)) 3202aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm 3212aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#if defined(_MSC_VER) /* Handle Microsoft VC++ compiler specifics. */ 3222aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm 3232aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm /* VC++, by default, defines wchar_t as an intrinsic type, equivalent to 3242aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm unsigned short. This conflicts which Standard C Library 3252aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm implementations which try to define wchar_t. 3262aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm Make sure that this behavior has been turned off by using 3272aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm /Zc:wchar_t- on the command line. 3282aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm */ 3292aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm #ifdef _NATIVE_WCHAR_T_DEFINED 3302aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm #error You must specify /Zc:wchar_t- to the compiler to turn off intrinsic wchar_t. 3312aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm #endif 3322aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm 333d78fab6b4e9be83b781212f6a9f3fde0c092e81ddarylm /* Get rid of pre-defined macros that are misleading in this environment. */ 334d78fab6b4e9be83b781212f6a9f3fde0c092e81ddarylm #undef _WIN32 335d78fab6b4e9be83b781212f6a9f3fde0c092e81ddarylm #undef _WIN64 336d78fab6b4e9be83b781212f6a9f3fde0c092e81ddarylm 3372aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm // Keep compiler quiet about casting from smaller to larger types 3382aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm #pragma warning ( disable : 4306 ) 339b26913ef0ef10a2ff9a585b0a255175fca83099cdarylm 340b26913ef0ef10a2ff9a585b0a255175fca83099cdarylm #define __STDC__ 1 341b26913ef0ef10a2ff9a585b0a255175fca83099cdarylm #define __STDC_VERSION__ 199409L 342b26913ef0ef10a2ff9a585b0a255175fca83099cdarylm #define __STDC_HOSTED__ 1 343b26913ef0ef10a2ff9a585b0a255175fca83099cdarylm 3442aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#endif /* defined(_MSC_VER) */ 3452aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylmextern int _fltused; // VC++ requires this if you use floating point. KEEP for all compilers. 3462aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm 3472aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#define _Bool BOOLEAN 3482aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#define _DIAGASSERT(e) 3492aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm 3502aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm// Types used to replace long so that it will have constant length regardless of compiler. 3515244f47e46709b22ecefcee8e52b6dc6170ed6c9darylmtypedef INT32 LONG32; 3522aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylmtypedef UINT32 ULONG32; 3532aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylmtypedef INT64 LONG64; 3542aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylmtypedef UINT64 ULONG64; 3552aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm 356d78fab6b4e9be83b781212f6a9f3fde0c092e81ddarylmtypedef INTN EFI_LONG_T; 357d78fab6b4e9be83b781212f6a9f3fde0c092e81ddarylmtypedef UINTN EFI_ULONG_T; 3585244f47e46709b22ecefcee8e52b6dc6170ed6c9darylm 3595244f47e46709b22ecefcee8e52b6dc6170ed6c9darylm/* These types reflect the compiler's size for long */ 3605244f47e46709b22ecefcee8e52b6dc6170ed6c9darylm#if defined(__GNUC__) 3615244f47e46709b22ecefcee8e52b6dc6170ed6c9darylm #if __GNUC_PREREQ__(4,4) 3625244f47e46709b22ecefcee8e52b6dc6170ed6c9darylm /* GCC 4.4 or later */ 3630164fc8e76b6ca9023c893940ddb00ef0b6bee5adaryl.mcdaniel typedef INTN LONGN; 3640164fc8e76b6ca9023c893940ddb00ef0b6bee5adaryl.mcdaniel typedef UINTN ULONGN; 3655244f47e46709b22ecefcee8e52b6dc6170ed6c9darylm #else 3665244f47e46709b22ecefcee8e52b6dc6170ed6c9darylm /* minGW gcc variant */ 3675244f47e46709b22ecefcee8e52b6dc6170ed6c9darylm typedef INT32 LONGN; 3685244f47e46709b22ecefcee8e52b6dc6170ed6c9darylm typedef UINT32 ULONGN; 3695244f47e46709b22ecefcee8e52b6dc6170ed6c9darylm #endif /* __GNUC_PREREQ__(4,4) */ 3705244f47e46709b22ecefcee8e52b6dc6170ed6c9darylm#else /* NOT GCC */ 3715244f47e46709b22ecefcee8e52b6dc6170ed6c9darylm /* Microsoft or Intel compilers */ 3725244f47e46709b22ecefcee8e52b6dc6170ed6c9darylm typedef INT32 LONGN; 3735244f47e46709b22ecefcee8e52b6dc6170ed6c9darylm typedef UINT32 ULONGN; 3745244f47e46709b22ecefcee8e52b6dc6170ed6c9darylm#endif /* defined(__GNUC__) */ 3755244f47e46709b22ecefcee8e52b6dc6170ed6c9darylm 3762aa62f2bc9a9654687b377d9ca8a8c2c860a3852darylm#endif /* _EFI_CDEFS_H */ 377