/* * Copyright (c) 2013 Apple Inc. All rights reserved. * * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. The rights granted to you under the License * may not be used to create, or enable the creation or redistribution of, * unlawful or unlicensed copies of an Apple operating system, or to * circumvent, violate, or enable the circumvention or violation of, any * terms of an Apple operating system software license agreement. * * Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. * * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ #ifndef __INTERNAL_ASM_H__ #define __INTERNAL_ASM_H__ #include <machine/cpu_capabilities.h> #define OS_STRINGIFY1(s) #s #define OS_STRINGIFY(s) OS_STRINGIFY1(s) #define OS_CONCAT1(x, y) x ## y #define OS_CONCAT(x, y) OS_CONCAT1(x, y) #ifdef __ASSEMBLER__ #define OS_VARIANT(f, v) OS_CONCAT(_, OS_CONCAT(f, OS_CONCAT($VARIANT$, v))) #else #define OS_VARIANT(f, v) OS_CONCAT(f, OS_CONCAT($VARIANT$, v)) #endif #if defined(__ASSEMBLER__) #if defined(__i386__) || defined(__x86_64__) #define OS_VARIANT_FUNCTION_START(name, variant, alignment) \ .text ; \ .align alignment, 0x90 ; \ .private_extern OS_VARIANT(name, variant) ; \ OS_VARIANT(name, variant) ## : // GENERIC indicates that this function will be chosen as the generic // implementation (at compile time) when building targets which do not // support dyld variant resolves. #if defined(VARIANT_NO_RESOLVERS) || defined(VARIANT_DYLD) #define OS_VARIANT_FUNCTION_START_GENERIC(name, variant, alignment) \ OS_VARIANT_FUNCTION_START(name, variant, alignment) \ .globl _ ## name ; \ _ ## name ## : #else #define OS_VARIANT_FUNCTION_START_GENERIC OS_VARIANT_FUNCTION_START #endif #define OS_ATOMIC_FUNCTION_START(name, alignment) \ .text ; \ .align alignment, 0x90 ; \ .globl _ ## name ; \ _ ## name ## : #endif // defined(__i386__) || defined(__x86_64__) #endif // defined(__ASSEMBLER__) #endif // __INTERNAL_ASM_H__