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Annotation of sys/arch/sparc64/include/profile.h, Revision 1.1

1.1     ! nbrk        1: /*     $OpenBSD: profile.h,v 1.3 2003/06/02 23:27:56 millert Exp $     */
        !             2:
        !             3: /*
        !             4:  * Copyright (c) 1992, 1993
        !             5:  *     The Regents of the University of California.  All rights reserved.
        !             6:  *
        !             7:  * This software was developed by the Computer Systems Engineering group
        !             8:  * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
        !             9:  * contributed to Berkeley.
        !            10:  *
        !            11:  * All advertising materials mentioning features or use of this software
        !            12:  * must display the following acknowledgement:
        !            13:  *     This product includes software developed by the University of
        !            14:  *     California, Lawrence Berkeley Laboratory.
        !            15:  *
        !            16:  * Redistribution and use in source and binary forms, with or without
        !            17:  * modification, are permitted provided that the following conditions
        !            18:  * are met:
        !            19:  * 1. Redistributions of source code must retain the above copyright
        !            20:  *    notice, this list of conditions and the following disclaimer.
        !            21:  * 2. Redistributions in binary form must reproduce the above copyright
        !            22:  *    notice, this list of conditions and the following disclaimer in the
        !            23:  *    documentation and/or other materials provided with the distribution.
        !            24:  * 3. Neither the name of the University nor the names of its contributors
        !            25:  *    may be used to endorse or promote products derived from this software
        !            26:  *    without specific prior written permission.
        !            27:  *
        !            28:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
        !            29:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
        !            30:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        !            31:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
        !            32:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
        !            33:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
        !            34:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            35:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
        !            36:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !            37:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
        !            38:  * SUCH DAMAGE.
        !            39:  *
        !            40:  *     @(#)profile.h   8.1 (Berkeley) 6/11/93
        !            41:  */
        !            42:
        !            43: #ifdef PIC
        !            44: /* Inline expansion of PICCY_SET() (see <machine/asm.h>). */
        !            45: #define MCOUNT \
        !            46:        __asm__(".global _mcount");\
        !            47:        __asm__("_mcount:");\
        !            48:        __asm__("add %o7, 8, %o1");\
        !            49:        __asm__("1: rd %pc, %o2");\
        !            50:        __asm__("add %o2, __mcount-1b, %o2");\
        !            51:        __asm__("ld [%o2], %o2");\
        !            52:        __asm__("jmpl %o2, %g0");\
        !            53:        __asm__("add %i7, 8, %o0");
        !            54: #else
        !            55: #define MCOUNT \
        !            56:        __asm__(".global _mcount");\
        !            57:        __asm__("_mcount:");\
        !            58:        __asm__("add %i7, 8, %o0");\
        !            59:        __asm__("sethi %hi(__mcount), %o2");\
        !            60:        __asm__("jmpl %o2 + %lo(__mcount), %g0");\
        !            61:        __asm__("add %o7, 8, %o1");
        !            62: #endif
        !            63:
        !            64: #define        _MCOUNT_DECL    static void __mcount
        !            65:
        !            66: #ifdef _KERNEL
        !            67: /*
        !            68:  * Block interrupts during mcount so that those interrupts can also be
        !            69:  * counted (as soon as we get done with the current counting).  On the
        !            70:  * SPARC, we just splhigh/splx as those do not recursively invoke mcount.
        !            71:  */
        !            72: #define        MCOUNT_ENTER    s = splhigh()
        !            73: #define        MCOUNT_EXIT     splx(s)
        !            74: #endif /* _KERNEL */