asm_linkage.h

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    1 /*
    2  * CDDL HEADER START
    3  *
    4  * The contents of this file are subject to the terms of the
    5  * Common Development and Distribution License, Version 1.0 only
    6  * (the "License").  You may not use this file except in compliance
    7  * with the License.
    8  *
    9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   10  * or http://www.opensolaris.org/os/licensing.
   11  * See the License for the specific language governing permissions
   12  * and limitations under the License.
   13  *
   14  * When distributing Covered Code, include this CDDL HEADER in each
   15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
   16  * If applicable, add the following below this CDDL HEADER, with the
   17  * fields enclosed by brackets "[]" replaced with your own identifying
   18  * information: Portions Copyright [yyyy] [name of copyright owner]
   19  *
   20  * CDDL HEADER END
   21  */
   22 /*
   23  * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
   24  * Use is subject to license terms.
   25  */
   26 
   27 #ifndef _SYS_ASM_LINKAGE_H
   28 #define _SYS_ASM_LINKAGE_H
   29 
   30 #ifdef  __cplusplus
   31 extern "C" {
   32 #endif
   33 
   34 #ifdef _ASM     /* The remainder of this file is only for assembly files */
   35 
   36 /*
   37  * make annoying differences in assembler syntax go away
   38  */
   39 
   40 #if defined(__i386__) || defined(__amd64__)
   41 
   42 #define ASM_ENTRY_ALIGN 16
   43 
   44 #else
   45 
   46 #error Unsupported architecture.
   47 
   48 #endif
   49 
   50 /*
   51  * ENTRY provides the standard procedure entry code and an easy way to
   52  * insert the calls to mcount for profiling. ENTRY_NP is identical, but
   53  * never calls mcount.
   54  */
   55 #define ENTRY(x) \
   56         .text; \
   57         .align  ASM_ENTRY_ALIGN; \
   58         .globl  x; \
   59         .type   x, @function; \
   60 x:
   61 
   62 /*
   63  * ALTENTRY provides for additional entry points.
   64  */
   65 #define ALTENTRY(x) \
   66         .globl x; \
   67         .type   x, @function; \
   68 x:
   69 
   70 /*
   71  * SET_SIZE trails a function and set the size for the ELF symbol table.
   72  */
   73 #define SET_SIZE(x) \
   74         .size   x, [.-x]
   75 
   76 #endif /* _ASM */
   77 
   78 #ifdef  __cplusplus
   79 }
   80 #endif
   81 
   82 #endif  /* _IA32_SYS_ASM_LINKAGE_H */

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FreeBSD/Linux Kernel Cross Reference sys/cddl/contrib/opensolaris/uts/common/sys/asm_linkage.h

FreeBSD/Linux Kernel Cross Reference
sys/cddl/contrib/opensolaris/uts/common/sys/asm_linkage.h