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- /*-
- * Copyright (c) 1991 The Regents of the University of California.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * @(#)gmon.h 5.2 (Berkeley) 5/6/91
- */
- #ifndef gmon_h
- #define gmon_h
-
- struct raw_phdr
- {
- char low_pc[sizeof (bfd_vma)]; /* base pc address of sample buffer */
- char high_pc[sizeof (bfd_vma)]; /* max pc address of sampled buffer */
- char ncnt[4]; /* size of sample buffer (plus this header) */
-
- #if defined (__alpha__) && defined (__osf__)
- /*
- * DEC's OSF v3.0 uses 4 bytes of padding to bring the header to
- * a size that is a multiple of 8.
- */
- char pad[4];
- #elif defined (BSD44_FORMAT)
- char version[4]; /* version number */
- char profrate[4]; /* profiling clock rate */
- char spare[3*4]; /* reserved */
- #endif
- };
-
- /*
- * Histogram counters are unsigned shorts:
- */
- #define HISTCOUNTER unsigned short
-
- /*
- * Fraction of text space to allocate for histogram counters here, 1/2:
- */
- #define HISTFRACTION 2
-
- /*
- * Fraction of text space to allocate for from hash buckets. The
- * value of HASHFRACTION is based on the minimum number of bytes of
- * separation between two subroutine call points in the object code.
- * Given MIN_SUBR_SEPARATION bytes of separation the value of
- * HASHFRACTION is calculated as:
- *
- * HASHFRACTION = MIN_SUBR_SEPARATION / (2 * sizeof(short) - 1);
- *
- * For the VAX, the shortest two call sequence is:
- *
- * calls $0,(r0)
- * calls $0,(r0)
- *
- * which is separated by only three bytes, thus HASHFRACTION is
- * calculated as:
- *
- * HASHFRACTION = 3 / (2 * 2 - 1) = 1
- *
- * Note that the division above rounds down, thus if MIN_SUBR_FRACTION
- * is less than three, this algorithm will not work!
- */
- #define HASHFRACTION 1
-
- /*
- * Percent of text space to allocate for tostructs with a minimum:
- */
- #define ARCDENSITY 2
- #define MINARCS 50
-
- struct tostruct
- {
- char *selfpc;
- int count;
- unsigned short link;
- };
-
- /*
- * A raw arc, with pointers to the calling site and the called site
- * and a count. Everything is defined in terms of characters so
- * as to get a packed representation (otherwise, different compilers
- * might introduce different padding):
- */
- struct raw_arc
- {
- char from_pc[sizeof (bfd_vma)];
- char self_pc[sizeof (bfd_vma)];
- char count[sizeof (long)];
- };
-
- /*
- * General rounding functions:
- */
- #define ROUNDDOWN(x,y) (((x)/(y))*(y))
- #define ROUNDUP(x,y) ((((x)+(y)-1)/(y))*(y))
-
- #endif /* gmon_h */
-