1/*- 2 * SPDX-License-Identifier: MIT-CMU 3 * 4 * Copyright (c) 1994, 1995, 1996 Carnegie-Mellon University. 5 * All rights reserved. 6 * 7 * Author: Chris G. Demetriou 8 * 9 * Permission to use, copy, modify and distribute this software and 10 * its documentation is hereby granted, provided that both the copyright 11 * notice and this permission notice appear in all copies of the 12 * software, derivative works or modified versions, and any portions 13 * thereof, and that both notices appear in supporting documentation. 14 * 15 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 16 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND 17 * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. 18 * 19 * Carnegie Mellon requests users of this software to return to 20 * 21 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU 22 * School of Computer Science 23 * Carnegie Mellon University 24 * Pittsburgh PA 15213-3890 25 * 26 * any improvements or extensions that they make and grant Carnegie the 27 * rights to redistribute these changes. 28 * 29 * from: NetBSD: profile.h,v 1.9 1997/04/06 08:47:37 cgd Exp 30 * from: FreeBSD: src/sys/alpha/include/profile.h,v 1.4 1999/12/29 31 * $FreeBSD$ 32 */ 33 34#ifndef _MACHINE_PROFILE_H_ 35#define _MACHINE_PROFILE_H_ 36 37#if !defined(_KERNEL) && !defined(_SYS_CDEFS_H_) 38#error this file needs sys/cdefs.h as a prerequisite 39#endif 40 41#define FUNCTION_ALIGNMENT 32 42 43typedef u_long fptrdiff_t; 44 45#ifdef _KERNEL 46 47#include <machine/cpufunc.h> 48#include <machine/intr_machdep.h> 49 50#define _MCOUNT_DECL void mcount 51#define MCOUNT 52 53#define MCOUNT_DECL(s) register_t s; 54#define MCOUNT_ENTER(s) s = rdpr(pil); wrpr(pil, 0, PIL_TICK) 55#define MCOUNT_EXIT(s) wrpr(pil, 0, s) 56 57void bintr(void); 58void btrap(void); 59void eintr(void); 60void user(void); 61 62#define MCOUNT_FROMPC_USER(pc) \ 63 ((pc < (uintfptr_t)VM_MAXUSER_ADDRESS) ? (uintfptr_t)user : pc) 64 65#define MCOUNT_FROMPC_INTR(pc) \ 66 ((pc >= (uintfptr_t)btrap && pc < (uintfptr_t)eintr) ? \ 67 ((pc >= (uintfptr_t)bintr) ? (uintfptr_t)bintr : \ 68 (uintfptr_t)btrap) : ~0UL) 69 70void mcount(uintfptr_t frompc, uintfptr_t selfpc); 71 72#else /* !_KERNEL */ 73 74typedef u_long uintfptr_t; 75 76#define _MCOUNT_DECL static __inline void __mcount 77 78#ifdef __GNUCLIKE_ASM 79#define MCOUNT \ 80void \ 81_mcount() \ 82{ \ 83 uintfptr_t frompc, selfpc; \ 84 \ 85 /* \ 86 * Find the return address for mcount, \ 87 * and the return address for mcount's caller. \ 88 * \ 89 * selfpc = pc pushed by call to mcount \ 90 */ \ 91 __asm("add %%o7, 8, %0" : "=r" (selfpc)); \ 92 /* \ 93 * frompc = pc pushed by call to mcount's caller. \ 94 */ \ 95 __asm("add %%i7, 8, %0" : "=r" (frompc)); \ 96 __mcount(frompc, selfpc); \ 97} 98#else /* !__GNUCLIKE_ASM */ 99#define MCOUNT 100#endif /* __GNUCLIKE_ASM */ 101 102#endif /* _KERNEL */ 103 104#endif /* !_MACHINE_PROFILE_H_ */ 105