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