| 1 | /* $NetBSD: profile.h,v 1.22 2014/03/18 18:20:41 riastradh 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 | #if !defined(__mc68010__) && !defined(__mcoldfire__) |
| 43 | #define MCOUNT \ |
| 44 | extern void mcount(void) __asm(MCOUNT_ENTRY) \ |
| 45 | __attribute__((__no_instrument_function__)); \ |
| 46 | void mcount(void) { \ |
| 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(void) { \ |
| 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 */ |