1 /* $NetBSD: profile.h,v 1.19 2006/08/07 23:24:55 tsutsui 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. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 * 31 * @(#)profile.h 8.1 (Berkeley) 6/10/93 32 */ 33 34 #define _MCOUNT_DECL static __inline void _mcount 35 36 #ifdef __ELF__ 37 #define MCOUNT_ENTRY "__mcount" 38 #else 39 #define MCOUNT_ENTRY "mcount" 40 #endif 41 42 #ifndef __mc68010__ 43 #define MCOUNT \ 44 extern void mcount(void) __asm(MCOUNT_ENTRY) \ 45 __attribute__((__no_instrument_function__)); \ 46 void mcount() { \ 47 int selfpc, frompcindex; \ 48 __asm("movl %%a6@(4),%0" : "=r" (selfpc)); \ 49 __asm("movl %%a6@(0)@(4),%0" : "=r" (frompcindex)); \ 50 _mcount(frompcindex, selfpc); \ 51 } 52 #else /* __mc68010__ */ 53 /* 54 * The 68010 doesn't have the memory indirect addressing mode 55 * that the above definition of mcount uses, so we're forced 56 * to do something different. 57 */ 58 #define MCOUNT \ 59 extern void mcount(void) __asm("mcount"); void mcount() { \ 60 int selfpc, frompcindex; \ 61 __asm("movl %%a6@(4),%0" : "=r" (selfpc)); \ 62 __asm("movl %%a6@(0),%%a0 ; movl %%a0@(4),%0" : "=r" (frompcindex) : /* no inputs */ : "a0"); \ 63 _mcount(frompcindex, selfpc); \ 64 } 65 #endif /* __mc68010__ */ 66 67 #ifdef _KERNEL 68 /* 69 * The following two macros do splhigh and splx respectively. 70 * They have to be defined this way because these are real 71 * functions on the HP, and we do not want to invoke mcount 72 * recursively. 73 */ 74 #define MCOUNT_ENTER \ 75 __asm("movw %%sr,%0" : "=g" (s)); \ 76 __asm("movw #0x2700,%sr") 77 78 #define MCOUNT_EXIT \ 79 __asm("movw %0,%%sr" : : "g" (s)) 80 #endif /* _KERNEL */ 81