/*      $NetBSD: profile.h,v 1.17 2017/05/31 11:09:22 martin Exp $ */

/*
* Copyright (c) 1992, 1993
*      The Regents of the University of California.  All rights reserved.
*
* This software was developed by the Computer Systems Engineering group
* at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
* contributed to Berkeley.
*
* All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
*      This product includes software developed by the University of
*      California, Lawrence Berkeley Laboratory.
*
* 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.
* 3. 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.
*
*      @(#)profile.h   8.1 (Berkeley) 6/11/93
*/

#ifdef __ELF__
#define _MCOUNT_SYM "__mcount"
#define _MCOUNT_ENTRY "_mcount"
#else
#define _MCOUNT_SYM "___mcount"
#define _MCOUNT_ENTRY "mcount"
#endif

#ifdef __PIC__
/* Inline expansion of PICCY_SET() (see <machine/asm.h>). */
#ifdef __arch64__
#define MCOUNT \
       __asm(".global " _MCOUNT_ENTRY);\
       __asm(_MCOUNT_ENTRY ":");\
       __asm("add %o7, 8, %o1");\
       __asm("1: rd %pc, %o2");\
       __asm("add %o2," _MCOUNT_SYM "-1b, %o2");\
       __asm("jmpl %o2, %g0");\
       __asm("add %i7, 8, %o0");
#else
#define MCOUNT \
       __asm(".global " _MCOUNT_ENTRY);\
       __asm(_MCOUNT_ENTRY ":");\
       __asm("add %o7, 8, %o1");\
       __asm("mov %o7, %o3");\
       __asm("1: call 2f; nop; 2:");\
       __asm("add %o7," _MCOUNT_SYM "-1b, %o2");\
       __asm("mov %o3, %o7");\
       __asm("jmpl %o2, %g0");\
       __asm("add %i7, 8, %o0");
#endif
#else
#define MCOUNT \
       __asm(".global " _MCOUNT_ENTRY);\
       __asm(_MCOUNT_ENTRY ":");\
       __asm("add %i7, 8, %o0");\
       __asm("sethi %hi(" _MCOUNT_SYM "), %o2");\
       __asm("jmpl %o2 + %lo(" _MCOUNT_SYM "), %g0");\
       __asm("add %o7, 8, %o1");
#endif

#define _MCOUNT_DECL    static void __mcount

#ifdef _KERNEL
/*
* Block interrupts during mcount so that those interrupts can also be
* counted (as soon as we get done with the current counting).  On the
* SPARC, we just splhigh/splx as those do not recursively invoke mcount.
*/
#define MCOUNT_ENTER    s = splhigh()
#define MCOUNT_EXIT     splx(s)
#endif /* _KERNEL */