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 41 typedef 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 55 void bintr(void); 56 void btrap(void); 57 void eintr(void); 58 void 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 68 void mcount(uintfptr_t frompc, uintfptr_t selfpc); 69 70 #else /* !_KERNEL */ 71 72 typedef u_long uintfptr_t; 73 74 #define _MCOUNT_DECL static __inline void __mcount 75 76 #ifdef __GNUCLIKE_ASM 77 #define MCOUNT \ 78 void \ 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