1 /* $NetBSD: profile.h,v 1.5 2000/04/18 17:06:01 tsubai Exp $ */ 2 3 /*- 4 * Copyright (c) 2000 Tsubai Masanari. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. The name of the author may not be used to endorse or promote products 15 * derived from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #define _MCOUNT_DECL void mcount 30 31 #ifdef PIC 32 #define _PLT "@plt" 33 #else 34 #define _PLT 35 #endif 36 37 #define MCOUNT __asm(" \ 38 .globl _mcount; \ 39 _mcount: \ 40 stwu 1,-64(1); \ 41 stw 3,16(1); \ 42 stw 4,20(1); \ 43 stw 5,24(1); \ 44 stw 6,28(1); \ 45 stw 7,32(1); \ 46 stw 8,36(1); \ 47 stw 9,40(1); \ 48 stw 10,44(1); \ 49 \ 50 mflr 4; \ 51 stw 4,48(1); \ 52 lwz 3,68(1); \ 53 bl mcount" _PLT "; \ 54 lwz 3,68(1); \ 55 mtlr 3; \ 56 lwz 4,48(1); \ 57 mtctr 4; \ 58 \ 59 lwz 3,16(1); \ 60 lwz 4,20(1); \ 61 lwz 5,24(1); \ 62 lwz 6,28(1); \ 63 lwz 7,32(1); \ 64 lwz 8,36(1); \ 65 lwz 9,40(1); \ 66 lwz 10,44(1); \ 67 addi 1,1,64; \ 68 bctr; "); 69 70 #ifdef _KERNEL 71 #define MCOUNT_ENTER \ 72 __asm volatile("mfmsr %0" : "=r"(s)); \ 73 if ((s & (PSL_IR | PSL_DR)) != (PSL_IR | PSL_DR)) \ 74 return; /* XXX */ \ 75 s &= ~PSL_POW; \ 76 __asm volatile("mtmsr %0" :: "r"(s & ~PSL_EE)) 77 78 #define MCOUNT_EXIT \ 79 __asm volatile("mtmsr %0" :: "r"(s)) 80 #endif 81