29#ifndef __L4_COMPILER_H__
30#define __L4_COMPILER_H__
32#if !defined(__ASSEMBLY__) && !defined(__ASSEMBLER__)
48# define L4_INLINE_STATIC static __inline__
49# define L4_INLINE_EXTERN extern __inline__
50# ifdef __GNUC_STDC_INLINE__
51# define L4_INLINE L4_INLINE_STATIC
53# define L4_INLINE L4_INLINE_EXTERN
56# define L4_INLINE static
59# define L4_INLINE inline
62# define L4_INLINE inline
69#define L4_ALWAYS_INLINE L4_INLINE __attribute__((__always_inline__))
72#define L4_DECLARE_CONSTRUCTOR(func, prio) \
73 static inline __attribute__((constructor(prio))) void func ## _ctor_func(void) { func(); }
174# define L4_NOTHROW__A __attribute__((nothrow))
176# define EXTERN_C_BEGIN
179# ifndef __BEGIN_DECLS
180# define __BEGIN_DECLS
185# define L4_DEFAULT_PARAM(x)
187# if __cplusplus >= 201103L
188# define L4_NOTHROW noexcept
190# define L4_NOTHROW throw()
192# define EXTERN_C_BEGIN extern "C" {
193# define EXTERN_C_END }
194# define EXTERN_C extern "C"
195# if !defined __BEGIN_DECLS || defined DOXYGEN
196# define __BEGIN_DECLS extern "C" {
198# if !defined __END_DECLS || defined DOXYGEN
199# define __END_DECLS }
201# define L4_DEFAULT_PARAM(x) = x
208#if defined __cplusplus && __cplusplus >= 201402L
209# define L4_CONSTEXPR constexpr
218#define L4_NORETURN __attribute__((noreturn))
220#define L4_PURE __attribute__((pure))
226#define L4_NOINSTRUMENT __attribute__((no_instrument_function))
228# define L4_HIDDEN __attribute__((visibility("hidden")))
230#if !defined L4_EXPORT || defined DOXYGEN
231# define L4_EXPORT __attribute__((visibility("default")))
233#ifndef L4_EXPORT_TYPE
235# define L4_EXPORT_TYPE __attribute__((visibility("default")))
237# define L4_EXPORT_TYPE
240#define L4_STRONG_ALIAS(name, aliasname) L4__STRONG_ALIAS(name, aliasname)
241#define L4__STRONG_ALIAS(name, aliasname) \
242 extern __typeof (name) aliasname __attribute__ ((alias (#name)));
251#if defined(__i386__) || defined(__amd64__) || \
252 defined(__arm__) || defined(__aarch64__) || \
253 defined(__mips__) || defined(__riscv) || \
254 defined(__powerpc__) || defined(__sparc__)
255# define L4_STACK_ALIGN __BIGGEST_ALIGNMENT__
257# error Define L4_STACK_ALIGN for this target!
277#if defined(__i386__) || defined(__amd64__)
280 if ((stack & (L4_STACK_ALIGN - 1)) == (L4_STACK_ALIGN -
sizeof(
unsigned long)))
282 return (stack & ~(L4_STACK_ALIGN)) -
sizeof(
unsigned long);
287 return stack & ~(L4_STACK_ALIGN);
293#include <l4/sys/linkage.h>
295#define L4_LIKELY(x) __builtin_expect((x),1)
296#define L4_UNLIKELY(x) __builtin_expect((x),0)
300#define L4_STICKY(x) __attribute__((used)) x
301#define L4_DEPRECATED(s) __attribute__((deprecated(s)))
304# if !defined(__cplusplus)
305# define static_assert(x, y) _Static_assert(x, y)
306# elif __cplusplus < 201103L
307# define static_assert(x, y) \
308 extern int l4_static_assert[-(!(x))] __attribute__((unused))
312#define L4_stringify_helper(x) #x
313#define L4_stringify(x) L4_stringify_helper(x)
316#define L4_HAS_BUILTIN(def) __has_builtin(def)
318#define L4_HAS_BUILTIN(def) 0
346 __asm__ __volatile__ (
"" : : :
"memory");
351 __asm__ __volatile__ (
"" : : :
"memory");
356 __asm__ __volatile__ (
"" : : :
"memory");
void l4_wmb(void)
Write memory barrier.
#define L4_INLINE
L4 Inline function attribute.
void l4_barrier(void)
Memory barrier.
void l4_mb(void)
Memory barrier.
unsigned long l4_align_stack_for_direct_fncall(unsigned long stack)
Specify the desired alignment of the stack pointer.
L4_NORETURN void l4_infinite_loop(void)
Infinite loop.
#define L4_NORETURN
Noreturn function attribute.