85 lines
3.3 KiB
C
85 lines
3.3 KiB
C
/* $NetBSD: profile.h,v 1.10 1999/02/07 20:21:09 christos Exp $ */
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/*
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* Copyright (c) 1992, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This software was developed by the Computer Systems Engineering group
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* at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
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* contributed to Berkeley.
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*
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* All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Lawrence Berkeley Laboratory.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)profile.h 8.1 (Berkeley) 6/11/93
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*/
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#ifdef __ELF__
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#define _MCOUNT_SYM "_mcount"
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#else
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#define _MCOUNT_SYM "__mcount"
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#endif
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#ifdef PIC
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/* Inline expansion of PICCY_SET() (see <machine/asm.h>). */
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#define MCOUNT \
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__asm__(".global mcount");\
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__asm__("mcount:");\
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__asm__("add %o7, 8, %o1");\
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__asm__("1: call 2f; nop; 2:");\
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__asm__("add %o7," _MCOUNT_SYM "-1b, %o2");\
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__asm__("ld [%o2], %o2");\
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__asm__("jmpl %o2, %g0");\
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__asm__("add %i7, 8, %o0");
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#else
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#define MCOUNT \
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__asm__(".global mcount");\
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__asm__("mcount:");\
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__asm__("add %i7, 8, %o0");\
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__asm__("sethi %hi(" _MCOUNT_SYM "), %o2");\
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__asm__("jmpl %o2 + %lo(" _MCOUNT_SYM "), %g0");\
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__asm__("add %o7, 8, %o1");
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#endif
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#define _MCOUNT_DECL static void _mcount
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#ifdef _KERNEL
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/*
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* Block interrupts during mcount so that those interrupts can also be
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* counted (as soon as we get done with the current counting). On the
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* SPARC, we just splhigh/splx as those do not recursively invoke mcount.
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*/
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#define MCOUNT_ENTER s = splhigh()
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#define MCOUNT_EXIT splx(s)
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#endif /* _KERNEL */
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