ardix/include/toolchain.h
Felix f0dc3a3433
kiss capitalism goodbye for good
The CNPL will make sure that absolutely no corporation is going to get
anywhere near Ardix -- exactly as it should be.  Fuck you, corporations!
2021-05-10 16:19:38 +02:00

84 lines
2.3 KiB
C

/* See the end of this file for copyright, license, and warranty information. */
#pragma once
#ifndef __GNUC__
#error "Only GCC is supported"
#endif /* __GNUC__ */
#ifndef __always_inline
/**
* Force a method to always be inlined by the compiler.
* Do not use this for functions exceeding one or two lines.
*/
#define __always_inline inline __attribute__((always_inline))
#endif /* __always_inline */
#ifndef __naked
/** Function attribute for disabling register saving. */
#define __naked __attribute__((naked))
#endif
#ifndef __weak
/**
* Add the `weak` attribute to a symbol.
* This allows that identifier to be re-declared without any warnings.
*/
#define __weak __attribute__((__weak__))
#endif /* __weak */
#ifndef __alias
/**
* Declare an identifier as an alias for some other identifier.
*
* @param name: The identifier (w/out quotes) this should be an alias for.
*/
#define __alias(name) __attribute__((alias(#name)))
#endif /* __alias */
#ifndef __section
/**
* Define the program section this symbol should live in.
*
* @param name: The section name w/out quotes.
*/
#define __section(name) __attribute__((section(#name)))
#endif /* __section */
#ifndef __rodata
/** Place a variable in program memory rather than into RAM. */
#define __rodata __section(.rodata#)
#endif
#ifndef __pure
/** Declare a function is pure so gcc can do some common subexpression elimination. */
#define __pure __attribute__((pure))
#endif
#ifndef __const
/** Like `__pure`, and the fuction does not access any memory except its stack. */
#define __const __attribute__((const))
#endif
#ifndef __user
/** Denote a pointer to user space (this will be used for static code checks later) */
#define __user
#endif
#ifndef __shared
/** Storage attribute indicating the symbol will be shared with userspace. */
#define __shared __section(.text.shared)
#endif
/*
* This file is part of Ardix.
* Copyright (c) 2020, 2021 Felix Kopp <owo@fef.moe>.
*
* Ardix is non-violent software: you may only use, redistribute,
* and/or modify it under the terms of the CNPLv6+ as found in
* the LICENSE file in the source code root directory or at
* <https://git.pixie.town/thufie/CNPL>.
*
* Ardix comes with ABSOLUTELY NO WARRANTY, to the extent
* permitted by applicable law. See the CNPLv6+ for details.
*/