1 /* $NetBSD: profile.h,v 1.15 2005/12/24 23:24:02 perry 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 __ELF__ 44 #define _MCOUNT_SYM "__mcount" 45 #define _MCOUNT_ENTRY "_mcount" 46 #else 47 #define _MCOUNT_SYM "___mcount" 48 #define _MCOUNT_ENTRY "mcount" 49 #endif 50 51 #ifdef PIC 52 /* Inline expansion of PICCY_SET() (see <machine/asm.h>). */ 53 #ifdef __arch64__ 54 #define MCOUNT \ 55 __asm(".global " _MCOUNT_ENTRY);\ 56 __asm(_MCOUNT_ENTRY ":");\ 57 __asm("add %o7, 8, %o1");\ 58 __asm("1: rd %pc, %o2");\ 59 __asm("add %o2," _MCOUNT_SYM "-1b, %o2");\ 60 __asm("ld [%o2], %o2");\ 61 __asm("jmpl %o2, %g0");\ 62 __asm("add %i7, 8, %o0"); 63 #else 64 #define MCOUNT \ 65 __asm(".global " _MCOUNT_ENTRY);\ 66 __asm(_MCOUNT_ENTRY ":");\ 67 __asm("add %o7, 8, %o1");\ 68 __asm("1: call 2f; nop; 2:");\ 69 __asm("add %o7," _MCOUNT_SYM "-1b, %o2");\ 70 __asm("ld [%o2], %o2");\ 71 __asm("jmpl %o2, %g0");\ 72 __asm("add %i7, 8, %o0"); 73 #endif 74 #else 75 #define MCOUNT \ 76 __asm(".global " _MCOUNT_ENTRY);\ 77 __asm(_MCOUNT_ENTRY ":");\ 78 __asm("add %i7, 8, %o0");\ 79 __asm("sethi %hi(" _MCOUNT_SYM "), %o2");\ 80 __asm("jmpl %o2 + %lo(" _MCOUNT_SYM "), %g0");\ 81 __asm("add %o7, 8, %o1"); 82 #endif 83 84 #define _MCOUNT_DECL static void __mcount 85 86 #ifdef _KERNEL 87 /* 88 * Block interrupts during mcount so that those interrupts can also be 89 * counted (as soon as we get done with the current counting). On the 90 * SPARC, we just splhigh/splx as those do not recursively invoke mcount. 91 */ 92 #define MCOUNT_ENTER s = splhigh() 93 #define MCOUNT_EXIT splx(s) 94 #endif /* _KERNEL */ 95