1 /* $OpenBSD: profile.h,v 1.4 2012/08/22 17:19:35 pascal 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 */ 75