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/*
* constructor.h
* Code for setting up automatic initializer functions portably.
*
* Copyright (c) 2012 William Pitcock <nenolod@dereferenced.org>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice is present in all copies.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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 __MOWGLI_PLATFORM_CONSTRUCTOR_H__
#define __MOWGLI_PLATFORM_CONSTRUCTOR_H__
#if defined MOWGLI_COMPILER_MSVC
/*
* Automatic constructors are not yet officially supported in MSVC, however,
* there is a similar feature where functions in the ".CRT$XCU" section are
* evaluated prior to DllMain(), main() and friends.
*
* See http://blogs.msdn.com/b/vcblog/archive/2006/10/20/crt-initialization.aspx
* for more information.
*/
# define MOWGLI_BOOTSTRAP_FUNC(func) \
static void __cdecl func(void); \
__declspec(allocate(".CRT$XCU")) void(__cdecl * func##_) (void) = func; \
static void __cdecl func(void)
#elif defined MOWGLI_COMPILER_GCC_COMPAT
# if MOWGLI_COMPILER_GCC_VERSION >= 403000
# define MOWGLI_BOOTSTRAP_FUNC(func) \
static void func(void) __attribute__((cold, constructor, flatten)); \
static void func(void)
# else
# define MOWGLI_BOOTSTRAP_FUNC(func) \
static void func(void) __attribute__((constructor, flatten)); \
static void func(void)
# endif
#else
# error MOWGLI_BOOTSTRAP_FUNC not implemented for your platform :(
#endif
#endif
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