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