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