The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/riscv/include/profile.h

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    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 
   47 #define _MCOUNT_DECL    void mcount
   48 #define MCOUNT
   49 
   50 #define MCOUNT_DECL(s)  register_t s;
   51 #define MCOUNT_ENTER(s) {s = intr_disable(); }
   52 #define MCOUNT_EXIT(s)  {intr_restore(s); }
   53 
   54 void bintr(void);
   55 void btrap(void);
   56 void eintr(void);
   57 void user(void);
   58 
   59 #define MCOUNT_FROMPC_USER(pc)                                  \
   60         ((pc < (uintfptr_t)VM_MAXUSER_ADDRESS) ? (uintfptr_t)user : pc)
   61 
   62 #define MCOUNT_FROMPC_INTR(pc)                                  \
   63         ((pc >= (uintfptr_t)btrap && pc < (uintfptr_t)eintr) ?  \
   64             ((pc >= (uintfptr_t)bintr) ? (uintfptr_t)bintr :    \
   65                 (uintfptr_t)btrap) : ~0UL)
   66 
   67 void    mcount(uintfptr_t frompc, uintfptr_t selfpc);
   68 
   69 #else /* !_KERNEL */
   70 
   71 typedef unsigned long long      uintfptr_t;
   72 
   73 #define _MCOUNT_DECL    void mcount
   74 #define MCOUNT
   75 
   76 #endif /* _KERNEL */
   77 
   78 #endif /* !_MACHINE_PROFILE_H_ */

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