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145 lines
5.0 KiB
C
145 lines
5.0 KiB
C
/*
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* $Id: stdlib_constructor.h,v 1.3 2006-01-08 12:04:25 obarthel Exp $
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*
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* :ts=4
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*
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* Portable ISO 'C' (1994) runtime library for the Amiga computer
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* Copyright (c) 2002-2015 by Olaf Barthel <obarthel (at) gmx.net>
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* All rights reserved.
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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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* - 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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*
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* - Neither the name of Olaf Barthel nor the names of contributors
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* may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN 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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#ifndef _STDLIB_CONSTRUCTOR_H
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#define _STDLIB_CONSTRUCTOR_H
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/****************************************************************************/
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/* Constructor and destructor functions, as used by the library for data
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initialization and cleanup. These particular functions are invoked by
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the startup code before and after the main() function is/was called.
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How this works is very compiler specific. We support three flavours
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below. */
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/****************************************************************************/
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#ifdef __SASC
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#define CONSTRUCTOR(name,pri) \
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int __stdargs _STI_##pri##_##name(void); \
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int __stdargs _STI_##pri##_##name(void)
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#define DESTRUCTOR(name,pri) \
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void __stdargs _STD_##pri##_##name(void); \
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void __stdargs _STD_##pri##_##name(void)
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#define CONSTRUCTOR_SUCCEED() \
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return(0)
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#define CONSTRUCTOR_FAIL() \
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return(1)
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#endif /* __SASC */
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/****************************************************************************/
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#ifdef __GNUC__
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#if defined(__amigaos4__)
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#define CONSTRUCTOR(name,pri) \
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STATIC VOID __attribute__((used)) name##_ctor(VOID); \
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STATIC VOID (*__##name##_ctor)(VOID) __attribute__((used,section(".ctors._" #pri))) = name##_ctor; \
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STATIC VOID name##_ctor(VOID)
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#define DESTRUCTOR(name,pri) \
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STATIC VOID __attribute__((used)) name##_dtor(VOID); \
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STATIC VOID (*__##name##_dtor)(VOID) __attribute__((used,section(".dtors._" #pri))) = name##_dtor; \
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STATIC VOID name##_dtor(VOID)
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#else
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#define CONSTRUCTOR(name,pri) \
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asm(".stabs \"___INIT_LIST__\",22,0,0,___ctor_" #name); \
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asm(".stabs \"___INIT_LIST__\",20,0,0," #pri); \
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VOID __ctor_##name##(VOID); \
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VOID __ctor_##name##(VOID)
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#define DESTRUCTOR(name,pri) \
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asm(".stabs \"___EXIT_LIST__\",22,0,0,___dtor_" #name); \
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asm(".stabs \"___EXIT_LIST__\",20,0,0," #pri); \
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VOID __dtor_##name##(VOID); \
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VOID __dtor_##name##(VOID)
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#endif /* __amigaos4__ */
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#define CONSTRUCTOR_SUCCEED() \
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return
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#define CONSTRUCTOR_FAIL() \
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exit(RETURN_FAIL)
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#endif /* __GNUC__ */
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/****************************************************************************/
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/* These macros are for declaring functions to serve as constructors or
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destructors. In which order these should be invoked is defined by the
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priority, which is a number in the range 0-999. User-supplied
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constructor/destructor functions should have priority 0. That way,
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the user-supplied constructors will be invoked after the library
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constructors and the user-supplied destructors before the library
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destructors. */
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#define STDLIB_CONSTRUCTOR(name) CONSTRUCTOR(name, 9)
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#define STDLIB_DESTRUCTOR(name) DESTRUCTOR(name, 9)
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#define STK_CONSTRUCTOR(name) CONSTRUCTOR(name, 8)
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#define STK_DESTRUCTOR(name) DESTRUCTOR(name, 8)
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#define STDIO_CONSTRUCTOR(name) CONSTRUCTOR(name, 7)
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#define STDIO_DESTRUCTOR(name) DESTRUCTOR(name, 7)
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#define FILE_CONSTRUCTOR(name) CONSTRUCTOR(name, 6)
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#define FILE_DESTRUCTOR(name) DESTRUCTOR(name, 6)
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#define MATH_CONSTRUCTOR(name) CONSTRUCTOR(name, 5)
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#define MATH_DESTRUCTOR(name) DESTRUCTOR(name, 5)
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#define SOCKET_CONSTRUCTOR(name) CONSTRUCTOR(name, 4)
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#define SOCKET_DESTRUCTOR(name) DESTRUCTOR(name, 4)
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#define ARG_CONSTRUCTOR(name) CONSTRUCTOR(name, 3)
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#define ARG_DESTRUCTOR(name) DESTRUCTOR(name, 3)
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#define CLIB_CONSTRUCTOR(name) CONSTRUCTOR(name, 2)
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#define CLIB_DESTRUCTOR(name) DESTRUCTOR(name, 2)
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#define PROFILE_CONSTRUCTOR(name) CONSTRUCTOR(name, 1)
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#define PROFILE_DESTRUCTOR(name) DESTRUCTOR(name, 1)
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/****************************************************************************/
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#endif /* _STDLIB_CONSTRUCTOR_H */
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