FreeBSD/Linux Kernel Cross Reference
sys/sparc64/include/asm.h

     /*-
      * Copyright (c) 1990 The Regents of the University of California.
      * All rights reserved.
      *
      * This code is derived from software contributed to Berkeley by
      * William Jolitz.
      *
      * Redistribution and use in source and binary forms, with or without
      * modification, are permitted provided that the following conditions
     * are met:
     * 1. Redistributions of source code must retain the above copyright
     *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     * 4. Neither the name of the University nor the names of its contributors
     *    may be used to endorse or promote products derived from this software
     *    without specific prior written permission.
     *
     * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     * SUCH DAMAGE.
     *
     *      from: @(#)DEFS.h        5.1 (Berkeley) 4/23/90
     *      from: FreeBSD: src/sys/i386/include/asm.h,v 1.7 2000/01/25
     * $FreeBSD: releng/6.0/sys/sparc64/include/asm.h 127977 2004-04-07 05:00:01Z imp $
     */
    
    #ifndef _MACHINE_ASM_H_
    #define _MACHINE_ASM_H_
    
    #define __ASM__
    
    #include <sys/cdefs.h>
    
    #ifdef PIC
    #define PIC_PROLOGUE(r1, r2) \
            sethi   %hi(_GLOBAL_OFFSET_TABLE_-4), r1 ; \
            rd      %pc, r2 ; \
            or      r1, %lo(_GLOBAL_OFFSET_TABLE_+4), r1 ; \
            add     r2, r1, r2
    #define SET(name, r1, r2) \
            set     name, r2 ; \
            ldx     [r1 + r2], r2
    #else
    #define PIC_PROLOGUE(r1, r2)
    #define SET(name, r1, r2) \
            set     name, r2
    #endif
    
    /*
     * CNAME and HIDENAME manage the relationship between symbol names in C
     * and the equivalent assembly language names.  CNAME is given a name as
     * it would be used in a C program.  It expands to the equivalent assembly
     * language name.  HIDENAME is given an assembly-language name, and expands
     * to a possibly-modified form that will be invisible to C programs.
     */
    #define CNAME(csym)             csym
    #define HIDENAME(asmsym)        __CONCAT(.,asmsym)
    
    #define CCFSZ   192
    #define SPOFF   2047
    
    #define _ALIGN_TEXT     .align 32
    
    #define _START_ENTRY \
            .text ; \
            _ALIGN_TEXT
    
    /*
     * Define a function entry point.
     *
     * The compiler produces #function for the .type pseudo-op, but the '#'
     * character has special meaning in cpp macros, so we use @function like
     * other architectures.  The assembler seems to accept both.
     * The assembler also accepts a .proc pseudo-op, which is used by the
     * peep hole optimizer, whose argument is the type code of the return
     * value.  Since this is difficult to predict and its expected that
     * assembler code is already optimized, we leave it out.
     */
    #define _ENTRY(x) \
            _START_ENTRY ; \
            .globl  CNAME(x) ; \
            .type   CNAME(x),@function ; \
    CNAME(x):
    
    #define ENTRY(x)        _ENTRY(x)
    #define END(x)          .size x, . - x
    
    /*
     * Kernel RCS ID tag and copyright macros
    */
   
   #undef __FBSDID
   #if !defined(lint) && !defined(STRIP_FBSDID)
   #define __FBSDID(s)     .ident s
   #else
   #define __FBSDID(s)     /* nothing */
   #endif /* not lint and not STRIP_FBSDID */
   
   #endif /* !_MACHINE_ASM_H_ */

Cache object: 900f59670e1a84a7ea2de06904ac65a5