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- /* $OpenBSD: profile.h,v 1.9 2012/08/22 17:19:35 pascal Exp $ */
- /* $NetBSD: profile.h,v 1.8 1997/02/01 20:56:40 mrg 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
- */
- /*
- * Can't use _C_LABEL here.
- */
- #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>). */
- #define MCOUNT \
- __asm__(".global " _MCOUNT_ENTRY);\
- __asm__(".text");\
- __asm__(_MCOUNT_ENTRY ":");\
- __asm__("add %o7, 8, %o1");\
- __asm__("1: call 2f; nop; 2:");\
- __asm__("add %o7," _MCOUNT_SYM "-1b, %o2");\
- __asm__("ld [%o2], %o2");\
- __asm__("jmpl %o2, %g0");\
- __asm__("add %i7, 8, %o0");
- #else
- #define MCOUNT \
- __asm__(".global " _MCOUNT_ENTRY);\
- __asm__(".text");\
- __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 */
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