1 /* $NetBSD: profile.h,v 1.12 2001/05/27 00:58:57 chs Exp $ */ 2 3 /* 4 * Copyright (c) 1992, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the University of 18 * California, Berkeley and its contributors. 19 * 4. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 * 35 * @(#)profile.h 8.1 (Berkeley) 6/10/93 36 */ 37 38 #define _MCOUNT_DECL static __inline void _mcount 39 40 #ifdef __ELF__ 41 #define MCOUNT_ENTRY "__mcount" 42 #else 43 #define MCOUNT_ENTRY "mcount" 44 #endif 45 46 #ifndef __mc68010__ 47 #define MCOUNT \ 48 extern void mcount __P((void)) __asm__(MCOUNT_ENTRY); void mcount() { \ 49 int selfpc, frompcindex; \ 50 __asm__("movl %%a6@(4),%0" : "=r" (selfpc)); \ 51 __asm__("movl %%a6@(0)@(4),%0" : "=r" (frompcindex)); \ 52 _mcount(frompcindex, selfpc); \ 53 } 54 #else /* __mc68010__ */ 55 /* 56 * The 68010 doesn't have the memory indirect addressing mode 57 * that the above definition of mcount uses, so we're forced 58 * to do something different. 59 */ 60 #define MCOUNT \ 61 extern void mcount __P((void)) __asm__("mcount"); void mcount() { \ 62 int selfpc, frompcindex; \ 63 __asm__("movl %%a6@(4),%0" : "=r" (selfpc)); \ 64 __asm__("movl %%a6@(0),%%a0 ; movl %%a0@(4),%0" : "=r" (frompcindex) : /* no inputs */ : "a0"); \ 65 _mcount(frompcindex, selfpc); \ 66 } 67 #endif /* __mc68010__ */ 68 69 #ifdef _KERNEL 70 /* 71 * The following two macros do splhigh and splx respectively. 72 * They have to be defined this way because these are real 73 * functions on the HP, and we do not want to invoke mcount 74 * recursively. 75 */ 76 #define MCOUNT_ENTER \ 77 __asm__("movw %%sr,%0" : "=g" (s)); \ 78 __asm__("movw #0x2700,%sr") 79 80 #define MCOUNT_EXIT \ 81 __asm__("movw %0,%%sr" : : "g" (s)) 82 #endif /* _KERNEL */ 83