/* profil.h: gprof profiling header file

   Copyright 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.

This file is part of Cygwin.

This software is a copyrighted work licensed under the terms of the

Cygwin license.  Please consult the file "CYGWIN_LICENSE" for

details. */

/*

 * This file is taken from Cygwin distribution. Please keep it in sync.

 * The differences should be within __MINGW32__ guard.

 */

/* profiling frequency.  (No larger than 1000) */

#define PROF_HZ			100

/* convert an addr to an index */

#define PROFIDX(pc, base, scale)	\

  ({									\

    size_t i = (pc - base) / 2;				\

    if (sizeof (unsigned long long int) > sizeof (size_t))		\

      i = (unsigned long long int) i * scale / 65536;			\

    else								\

      i = i / 65536 * scale + i % 65536 * scale / 65536;		\

    i;									\

  })

/* convert an index into an address */

#define PROFADDR(idx, base, scale)		\

  ((base)					\

   + ((((unsigned long long)(idx) << 16)	\

       / (unsigned long long)(scale)) << 1))

/* convert a bin size into a scale */

#define PROFSCALE(range, bins)		(((bins) << 16) / ((range) >> 1))

typedef void *_WINHANDLE;

struct profinfo {

    _WINHANDLE targthr;			/* thread to profile */

    _WINHANDLE profthr;			/* profiling thread */

    u_short *counter;			/* profiling counters */

    u_long lowpc, highpc;		/* range to be profiled */

    u_int scale;			/* scale value of bins */

};

int profile_ctl(struct profinfo *, char *, size_t, u_long, u_int);

int profil(char *, size_t, u_long, u_int);