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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2004 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _SYS_ASM_LINKAGE_H
#define _SYS_ASM_LINKAGE_H
#ifdef __cplusplus
extern "C" {
#endif
#ifdef _ASM /* The remainder of this file is only for assembly files */
/*
* make annoying differences in assembler syntax go away
*/
#if defined(__i386__) || defined(__amd64__)
#define ASM_ENTRY_ALIGN 16
#elif defined(__sparc64__)
/* GCC uses 32-byte function alignment for UltraSPARC CPUs. */
#define ASM_ENTRY_ALIGN 32
#else
#error Unsupported architecture.
#endif
/*
* ENTRY provides the standard procedure entry code and an easy way to
* insert the calls to mcount for profiling. ENTRY_NP is identical, but
* never calls mcount.
*/
#define ENTRY(x) \
.text; \
.align ASM_ENTRY_ALIGN; \
.globl x; \
.type x, @function; \
x:
/*
* ALTENTRY provides for additional entry points.
*/
#define ALTENTRY(x) \
.globl x; \
.type x, @function; \
x:
/*
* SET_SIZE trails a function and set the size for the ELF symbol table.
*/
#define SET_SIZE(x) \
.size x, [.-x]
#endif /* _ASM */
#ifdef __cplusplus
}
#endif
#endif /* _IA32_SYS_ASM_LINKAGE_H */