1/* $NetBSD: profile.h,v 1.10 2021/11/02 11:22:03 ryo 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#ifdef _KERNEL_OPT 30#include "opt_ppcarch.h" 31#endif 32 33#define _MCOUNT_DECL void __mcount 34 35#ifdef _LP64 36 37#define MCOUNT \ 38__asm(" .globl _mcount \n" \ 39" .section \".opd\",\"aw\" \n" \ 40" .align 3 \n" \ 41"_mcount: \n" \ 42" .quad ._mcount,.TOC.@tocbase,0\n" \ 43" .previous \n" \ 44" .size _mcount,24 \n" \ 45" .type ._mcount,@function \n" \ 46" .globl ._mcount \n" \ 47" .align 3 \n" \ 48"._mcount: \n" \ 49" frame=128 \n" \ 50" stdu 1,-frame(1) \n" \ 51" std 2,120(1) \n" \ 52" std 3,48+0(1) \n" \ 53" std 4,48+8(1) \n" \ 54" std 5,48+16(1) \n" \ 55" std 6,48+24(1) \n" \ 56" std 7,48+32(1) \n" \ 57" std 8,48+40(1) \n" \ 58" std 9,48+48(1) \n" \ 59" std 10,48+56(1) \n" \ 60" \n" \ 61" mflr 4 \n" \ 62" std 4,112(1) \n" \ 63" ld 3,frame+16(1) \n" \ 64" bl .__mcount \n" \ 65" ld 2,120(1) \n" \ 66" ld 3,frame+16(1) \n" \ 67" mtlr 3 \n" \ 68" ld 4,112(1) \n" \ 69" mtctr 4 \n" \ 70" \n" \ 71" ld 3,16(1) \n" \ 72" ld 4,20(1) \n" \ 73" ld 5,24(1) \n" \ 74" ld 6,28(1) \n" \ 75" ld 7,32(1) \n" \ 76" ld 8,36(1) \n" \ 77" ld 9,40(1) \n" \ 78" ld 10,44(1) \n" \ 79" addi 1,1,frame \n" \ 80" bctr"); 81 82#else 83 84#ifdef __PIC__ 85#define _PLT "@plt" 86#else 87#define _PLT 88#endif 89 90#define MCOUNT \ 91__asm(" .globl _mcount \n" \ 92" .type _mcount,@function \n" \ 93"_mcount: \n" \ 94" stwu 1,-64(1) \n" \ 95" stw 3,16(1) \n" \ 96" stw 4,20(1) \n" \ 97" stw 5,24(1) \n" \ 98" stw 6,28(1) \n" \ 99" stw 7,32(1) \n" \ 100" stw 8,36(1) \n" \ 101" stw 9,40(1) \n" \ 102" stw 10,44(1) \n" \ 103" \n" \ 104" mflr 4 \n" \ 105" stw 4,48(1) \n" \ 106" lwz 3,68(1) \n" \ 107" bl __mcount" _PLT " \n" \ 108" lwz 3,68(1) \n" \ 109" mtlr 3 \n" \ 110" lwz 4,48(1) \n" \ 111" mtctr 4 \n" \ 112" \n" \ 113" lwz 3,16(1) \n" \ 114" lwz 4,20(1) \n" \ 115" lwz 5,24(1) \n" \ 116" lwz 6,28(1) \n" \ 117" lwz 7,32(1) \n" \ 118" lwz 8,36(1) \n" \ 119" lwz 9,40(1) \n" \ 120" lwz 10,44(1) \n" \ 121" addi 1,1,64 \n" \ 122" bctr \n" \ 123"_mcount_end: \n" \ 124" .size _mcount,_mcount_end-_mcount"); 125 126#endif 127 128#ifdef _KERNEL 129#ifdef PPC_BOOKE 130#include <powerpc/booke/cpuvar.h> 131 132#define MCOUNT_ENTER do s = wrtee(0); while (/*CONSTCOND*/ 0) 133#define MCOUNT_EXIT wrtee(s) 134#else 135#include <powerpc/psl.h> 136#define MCOUNT_ENTER \ 137 __asm volatile("mfmsr %0" : "=r"(s)); \ 138 if ((s & (PSL_IR | PSL_DR)) != (PSL_IR | PSL_DR)) \ 139 return; /* XXX */ \ 140 s &= ~PSL_POW; \ 141 __asm volatile("mtmsr %0" :: "r"(s & ~PSL_EE)) 142 143#define MCOUNT_EXIT \ 144 __asm volatile("mtmsr %0" :: "r"(s)) 145#endif 146 147#endif 148