1 /* $NetBSD: profile.h,v 1.10 1999/02/07 20:21:09 christos 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. All advertising materials mentioning features or use of this software 25 * must display the following acknowledgement: 26 * This product includes software developed by the University of 27 * California, Berkeley and its contributors. 28 * 4. Neither the name of the University nor the names of its contributors 29 * may be used to endorse or promote products derived from this software 30 * without specific prior written permission. 31 * 32 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 33 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 34 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 35 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 36 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 37 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 38 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 39 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 40 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 41 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 42 * SUCH DAMAGE. 43 * 44 * @(#)profile.h 8.1 (Berkeley) 6/11/93 45 */ 46 47 #ifdef __ELF__ 48 #define _MCOUNT_SYM "_mcount" 49 #else 50 #define _MCOUNT_SYM "__mcount" 51 #endif 52 53 #ifdef PIC 54 /* Inline expansion of PICCY_SET() (see <machine/asm.h>). */ 55 #define MCOUNT \ 56 __asm__(".global mcount");\ 57 __asm__("mcount:");\ 58 __asm__("add %o7, 8, %o1");\ 59 __asm__("1: call 2f; nop; 2:");\ 60 __asm__("add %o7," _MCOUNT_SYM "-1b, %o2");\ 61 __asm__("ld [%o2], %o2");\ 62 __asm__("jmpl %o2, %g0");\ 63 __asm__("add %i7, 8, %o0"); 64 #else 65 #define MCOUNT \ 66 __asm__(".global mcount");\ 67 __asm__("mcount:");\ 68 __asm__("add %i7, 8, %o0");\ 69 __asm__("sethi %hi(" _MCOUNT_SYM "), %o2");\ 70 __asm__("jmpl %o2 + %lo(" _MCOUNT_SYM "), %g0");\ 71 __asm__("add %o7, 8, %o1"); 72 #endif 73 74 #define _MCOUNT_DECL static void _mcount 75 76 #ifdef _KERNEL 77 /* 78 * Block interrupts during mcount so that those interrupts can also be 79 * counted (as soon as we get done with the current counting). On the 80 * SPARC, we just splhigh/splx as those do not recursively invoke mcount. 81 */ 82 #define MCOUNT_ENTER s = splhigh() 83 #define MCOUNT_EXIT splx(s) 84 #endif /* _KERNEL */ 85