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Annotation of sys/arch/sparc64/include/profile.h, Revision 1.1.1.1

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 */