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/****************************************************************************
* include/nuttx/compiler.h
*
* Copyright (C) 2013 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* 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 NuttX 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 COPYRIGHT HOLDERS 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
* COPYRIGHT OWNER 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.
*
****************************************************************************/
#ifndef __APPS_SYSTEM_ZMODEM_HOST_NUTTX_COMPILER_H
#define __APPS_SYSTEM_ZMODEM_HOST_NUTTX_COMPILER_H
/****************************************************************************
* Included Files
****************************************************************************/
/****************************************************************************
* Definitions
****************************************************************************/
/* GCC-specific definitions *************************************************/
#ifdef __GNUC__
/* Pre-processor */
# define CONFIG_CPP_HAVE_VARARGS 1 /* Supports variable argument macros */
# define CONFIG_CPP_HAVE_WARNING 1 /* Supports #warning */
/* Intriniscs */
# define CONFIG_HAVE_FUNCTIONNAME 1 /* Has __FUNCTION__ */
# define CONFIG_HAVE_FILENAME 1 /* Has __FILE__ */
/* Attributes
*
* GCC supports weak symbols which can be used to reduce code size because
* unnecessary "weak" functions can be excluded from the link.
*/
# ifndef __CYGWIN__
# define CONFIG_HAVE_WEAKFUNCTIONS 1
# define weak_alias(name, aliasname) \
extern __typeof (name) aliasname __attribute__ ((weak, alias (#name)));
# define weak_function __attribute__ ((weak))
# define weak_const_function __attribute__ ((weak, __const__))
# else
# undef CONFIG_HAVE_WEAKFUNCTIONS
# define weak_alias(name, aliasname)
# define weak_function
# define weak_const_function
# endif
/* The noreturn attribute informs GCC that the function will not return. */
# define noreturn_function __attribute__ ((noreturn))
/* The farcall_function attribute informs GCC that is should use long calls
* (even though -mlong-calls does not appear in the compilation options)
*/
# define farcall_function __attribute__ ((long_call))
/* The packed attribute informs GCC that the stucture elements are packed,
* ignoring other alignment rules.
*/
# define packed_struct __attribute__ ((packed))
/* GCC does not support the reentrant attribute */
# define reentrant_function
/* The naked attribute informs GCC that the programmer will take care of
* the function prolog and epilog.
*/
# define naked_function __attribute__ ((naked,no_instrument_function))
/* The inline_function attribute informs GCC that the function should always
* be inlined, regardless of the level of optimization. The noinline_function
* indicates that the function should never be inlined.
*/
# define inline_function __attribute__ ((always_inline))
# define noinline_function __attribute__ ((noinline))
/* GCC has does not use storage classes to qualify addressing */
# define FAR
# define NEAR
# define DSEG
# define CODE
/* Unknown compiler *********************************************************/
#else
# warning Unknown Compiler
# undef CONFIG_CPP_HAVE_VARARGS
# undef CONFIG_CPP_HAVE_WARNING
# undef CONFIG_HAVE_FUNCTIONNAME
# undef CONFIG_HAVE_FILENAME
# undef CONFIG_HAVE_WEAKFUNCTIONS
# define weak_alias(name, aliasname)
# define weak_function
# define weak_const_function
# define noreturn_function
# define farcall_function
# define packed_struct
# define reentrant_function
# define naked_function
# define inline_function
# define noinline_function
# define FAR
# define NEAR
# define DSEG
# define CODE
# undef CONFIG_SMALL_MEMORY
# undef CONFIG_LONG_IS_NOT_INT
# undef CONFIG_PTR_IS_NOT_INT
# undef CONFIG_HAVE_INLINE
# define inline 1
# undef CONFIG_HAVE_LONG_LONG
# define CONFIG_HAVE_FLOAT 1
# undef CONFIG_HAVE_DOUBLE
# undef CONFIG_HAVE_LONG_DOUBLE
# undef CONFIG_CAN_PASS_STRUCTS
#endif
/****************************************************************************
* Global Function Prototypes
****************************************************************************/
/****************************************************************************
* Global Function Prototypes
****************************************************************************/
#endif /* __APPS_SYSTEM_ZMODEM_HOST_NUTTX_COMPILER_H */
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