61f869600d
conventions for _mcount and __cyg_profile_func_enter are different, so statistical profiling kernels build and link but don't actually work. IWBNI one could tell gcc to only generate calls to the former. Define uintfptr_t properly for userland, but not for the kernel (I hope).
87 lines
2.3 KiB
C
87 lines
2.3 KiB
C
/*
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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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#define FUNCTION_ALIGNMENT 32
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#define _MCOUNT_DECL void mcount
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#define MCOUNT
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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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#define MCOUNT_DECL(s) register_t s;
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#define MCOUNT_ENTER(s) s = rdpr(pil); wrpr(pil, 0, 14)
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#define MCOUNT_EXIT(s) wrpr(pil, 0, s)
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#ifdef GUPROF
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#define CALIB_SCALE 1000
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#define KCOUNT(p,index) \
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((p)->kcount[(index) / (HISTFRACTION * sizeof(HISTCOUNTER))])
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#define PC_TO_I(p, pc) ((uintfptr_t)(pc) - (uintfptr_t)(p)->lowpc)
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struct gmonparam;
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extern int cputime_bias;
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int cputime(void);
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void nullfunc_loop_profiled(void);
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void nullfunc_profiled(void);
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void startguprof(struct gmonparam *p);
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void stopguprof(struct gmonparam *p);
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#else /* GUPROF */
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#define startguprof(p)
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#define stopguprof(p)
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#endif /* GUPROF */
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void empty_loop(void);
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void kmupetext(uintfptr_t nhighpc);
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void mcount(uintfptr_t frompc, uintfptr_t selfpc);
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void mexitcount(uintfptr_t selfpc);
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void nullfunc(void);
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void nullfunc_loop(void);
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#else /* _KERNEL */
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typedef u_long uintfptr_t;
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#endif /* _KERNEL */
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#endif /* !_MACHINE_PROFILE_H_ */
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