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/*-
* Copyright (c) 1994, 1995, 1996 Carnegie-Mellon University.
* All rights reserved.
*
* Author: Chris G. Demetriou
*
* Permission to use, copy, modify and distribute this software and
* its documentation is hereby granted, provided that both the copyright
* notice and this permission notice appear in all copies of the
* software, derivative works or modified versions, and any portions
* thereof, and that both notices appear in supporting documentation.
*
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
* FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
*
* Carnegie Mellon requests users of this software to return to
*
* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
* School of Computer Science
* Carnegie Mellon University
* Pittsburgh PA 15213-3890
*
* any improvements or extensions that they make and grant Carnegie the
* rights to redistribute these changes.
*
* from: NetBSD: profile.h,v 1.9 1997/04/06 08:47:37 cgd Exp
* from: FreeBSD: src/sys/alpha/include/profile.h,v 1.4 1999/12/29
* $FreeBSD: release/9.1.0/sys/sparc64/include/profile.h 169488 2007-05-11 23:43:55Z marius $
*/
#ifndef _MACHINE_PROFILE_H_
#define _MACHINE_PROFILE_H_
#if !defined(_KERNEL) && !defined(_SYS_CDEFS_H_)
#error this file needs sys/cdefs.h as a prerequisite
#endif
#define FUNCTION_ALIGNMENT 32
typedef u_long fptrdiff_t;
#ifdef _KERNEL
#include <machine/cpufunc.h>
#include <machine/intr_machdep.h>
#define _MCOUNT_DECL void mcount
#define MCOUNT
#define MCOUNT_DECL(s) register_t s;
#define MCOUNT_ENTER(s) s = rdpr(pil); wrpr(pil, 0, PIL_TICK)
#define MCOUNT_EXIT(s) wrpr(pil, 0, s)
void bintr(void);
void btrap(void);
void eintr(void);
void user(void);
#define MCOUNT_FROMPC_USER(pc) \
((pc < (uintfptr_t)VM_MAXUSER_ADDRESS) ? (uintfptr_t)user : pc)
#define MCOUNT_FROMPC_INTR(pc) \
((pc >= (uintfptr_t)btrap && pc < (uintfptr_t)eintr) ? \
((pc >= (uintfptr_t)bintr) ? (uintfptr_t)bintr : \
(uintfptr_t)btrap) : ~0UL)
void mcount(uintfptr_t frompc, uintfptr_t selfpc);
#else /* !_KERNEL */
typedef u_long uintfptr_t;
#define _MCOUNT_DECL static __inline void __mcount
#ifdef __GNUCLIKE_ASM
#define MCOUNT \
void \
_mcount() \
{ \
uintfptr_t frompc, selfpc; \
\
/* \
* Find the return address for mcount, \
* and the return address for mcount's caller. \
* \
* selfpc = pc pushed by call to mcount \
*/ \
__asm("add %%o7, 8, %0" : "=r" (selfpc)); \
/* \
* frompc = pc pushed by call to mcount's caller. \
*/ \
__asm("add %%i7, 8, %0" : "=r" (frompc)); \
__mcount(frompc, selfpc); \
}
#else /* !__GNUCLIKE_ASM */
#define MCOUNT
#endif /* __GNUCLIKE_ASM */
#endif /* _KERNEL */
#endif /* !_MACHINE_PROFILE_H_ */