169 lines
5.7 KiB
C
169 lines
5.7 KiB
C
/****************************************************************************
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* include/nuttx/compiler.h
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*
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* Copyright (C) 2013 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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#ifndef __APPS_SYSTEM_ZMODEM_HOST_NUTTX_COMPILER_H
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#define __APPS_SYSTEM_ZMODEM_HOST_NUTTX_COMPILER_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/* GCC-specific definitions *************************************************/
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#ifdef __GNUC__
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/* Pre-processor */
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# define CONFIG_CPP_HAVE_VARARGS 1 /* Supports variable argument macros */
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# define CONFIG_CPP_HAVE_WARNING 1 /* Supports #warning */
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/* Intriniscs */
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# define CONFIG_HAVE_FUNCTIONNAME 1 /* Has __FUNCTION__ */
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# define CONFIG_HAVE_FILENAME 1 /* Has __FILE__ */
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/* Attributes
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*
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* GCC supports weak symbols which can be used to reduce code size because
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* unnecessary "weak" functions can be excluded from the link.
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*/
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# ifndef __CYGWIN__
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# define CONFIG_HAVE_WEAKFUNCTIONS 1
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# define weak_alias(name, aliasname) \
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extern __typeof (name) aliasname __attribute__ ((weak, alias (#name)));
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# define weak_function __attribute__ ((weak))
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# define weak_const_function __attribute__ ((weak, __const__))
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# else
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# undef CONFIG_HAVE_WEAKFUNCTIONS
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# define weak_alias(name, aliasname)
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# define weak_function
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# define weak_const_function
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# endif
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/* The noreturn attribute informs GCC that the function will not return. */
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# define noreturn_function __attribute__ ((noreturn))
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/* The farcall_function attribute informs GCC that is should use long calls
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* (even though -mlong-calls does not appear in the compilation options)
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*/
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# define farcall_function __attribute__ ((long_call))
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/* The packed attribute informs GCC that the stucture elements are packed,
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* ignoring other alignment rules.
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*/
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# define packed_struct __attribute__ ((packed))
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/* GCC does not support the reentrant attribute */
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# define reentrant_function
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/* The naked attribute informs GCC that the programmer will take care of
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* the function prolog and epilog.
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*/
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# define naked_function __attribute__ ((naked,no_instrument_function))
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/* The inline_function attribute informs GCC that the function should always
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* be inlined, regardless of the level of optimization. The noinline_function
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* indicates that the function should never be inlined.
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*/
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# define inline_function __attribute__ ((always_inline))
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# define noinline_function __attribute__ ((noinline))
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/* GCC has does not use storage classes to qualify addressing */
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# define FAR
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# define NEAR
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# define DSEG
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# define CODE
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/* Unknown compiler *********************************************************/
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#else
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# warning Unknown Compiler
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# undef CONFIG_CPP_HAVE_VARARGS
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# undef CONFIG_CPP_HAVE_WARNING
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# undef CONFIG_HAVE_FUNCTIONNAME
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# undef CONFIG_HAVE_FILENAME
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# undef CONFIG_HAVE_WEAKFUNCTIONS
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# define weak_alias(name, aliasname)
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# define weak_function
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# define weak_const_function
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# define noreturn_function
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# define farcall_function
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# define packed_struct
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# define reentrant_function
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# define naked_function
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# define inline_function
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# define noinline_function
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# define FAR
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# define NEAR
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# define DSEG
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# define CODE
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# undef CONFIG_SMALL_MEMORY
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# undef CONFIG_LONG_IS_NOT_INT
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# undef CONFIG_PTR_IS_NOT_INT
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# undef CONFIG_HAVE_INLINE
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# define inline 1
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# undef CONFIG_HAVE_LONG_LONG
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# define CONFIG_HAVE_FLOAT 1
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# undef CONFIG_HAVE_DOUBLE
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# undef CONFIG_HAVE_LONG_DOUBLE
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# undef CONFIG_CAN_PASS_STRUCTS
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#endif
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/****************************************************************************
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* Global Function Prototypes
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****************************************************************************/
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/****************************************************************************
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* Global Function Prototypes
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****************************************************************************/
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#endif /* __APPS_SYSTEM_ZMODEM_HOST_NUTTX_COMPILER_H */
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