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coherent

/* (-lgl
 * 	COHERENT Version 4.0
 * 	Copyright (c) 1982, 1992 by Mark Williams Company.
 * 	All rights reserved. May not be copied without permission.
 -lgl) */
/*
 * mon.h
 * Program profiling (monitor) header.
 *
 * A call to monitor() creates a mon.out file structured as follows:
 *	header			struct m_hdr
 *	function count array	struct m_func[m_nfuncs]
 *	profil buffer		short[m_nbins]
 * The profil data scales the pc as follows:
 *	bin number = (pc - low pc) * (scale/2) / (1<<16)
 */

#ifndef	_MON_H
#define	_MON_H

#include <sys/types.h>

#ifndef NULL
#define	NULL	((char *)0)
#endif

struct	m_hdr	{
	unsigned short	m_nbins;	/* number of bins		*/
	unsigned short	m_scale;	/* scale factor			*/
	unsigned short	m_nfuncs;	/* number of function counts	*/
	vaddr_t		m_lowpc;	/* lowest pc to monitor		*/
	vaddr_t		m_lowsp;	/* lowest sp in scount		*/
	vaddr_t		m_hisp;		/* highest sp in scount		*/
};

struct	m_func	{
	vaddr_t		m_addr;		/* address in function		*/
	long		m_ncalls;	/* number of times function called */
};

/*
 * The C compiler allocates an m_flst structure for each function
 * compiled with the -VPROF option.
 */
struct	m_flst	{
	struct	m_func	m_data;		/* data on this function	*/
	struct	m_flst	*m_link;	/* link to next function in list */
};

#endif

/* end of mon.h */

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