1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/prof/gmon.h	Sat Mar 03 10:31:27 2012 -0600
     1.3 @@ -0,0 +1,151 @@
     1.4 +/*
     1.5 + * Copyright (c) 1983, 1991, 1993, 2001
     1.6 + *      The Regents of the University of California.  All rights reserved.
     1.7 + *
     1.8 + * Redistribution and use in source and binary forms, with or without
     1.9 + * modification, are permitted provided that the following conditions
    1.10 + * are met:
    1.11 + * 1. Redistributions of source code must retain the above copyright
    1.12 + *    notice, this list of conditions and the following disclaimer.
    1.13 + * 2. Redistributions in binary form must reproduce the above copyright
    1.14 + *    notice, this list of conditions and the following disclaimer in the
    1.15 + *    documentation and/or other materials provided with the distribution.
    1.16 + * 3. Neither the name of the University nor the names of its contributors
    1.17 + *    may be used to endorse or promote products derived from this software
    1.18 + *    without specific prior written permission.
    1.19 + *
    1.20 + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
    1.21 + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
    1.22 + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
    1.23 + * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
    1.24 + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
    1.25 + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
    1.26 + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
    1.27 + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
    1.28 + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
    1.29 + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
    1.30 + * SUCH DAMAGE.
    1.31 + */
    1.32 +#ifndef gmon_h
    1.33 +#define gmon_h
    1.34 +
    1.35 +#include <stdint.h>
    1.36 +typedef uint32_t u32;
    1.37 +
    1.38 +/* Size of the 4.4BSD gmon header */
    1.39 +#define GMON_HDRSIZE_BSD44_32 (4 + 4 + 4 + 4 + 4 + (3 * 4))
    1.40 +#define GMON_HDRSIZE_BSD44_64 (8 + 8 + 4 + 4 + 4 + (3 * 4))
    1.41 +
    1.42 +#if 0 /* For documentation purposes only.  */
    1.43 +  struct raw_phdr
    1.44 +    {
    1.45 +      char low_pc[sizeof(void *)]; /* base pc address of sample buffer */
    1.46 +      char high_pc[sizeof(void *)];/* max pc address of sampled buffer */
    1.47 +      char ncnt[4];		   /* size of sample buffer (plus this
    1.48 +				      header) */
    1.49 +
    1.50 +      char version[4];		   /* version number */
    1.51 +      char profrate[4];		   /* profiling clock rate */
    1.52 +      char spare[3*4];		   /* reserved */
    1.53 +    };
    1.54 +#endif
    1.55 +
    1.56 +#define GMONVERSION     0x00051879
    1.57 +
    1.58 +/* Size of the old BSD gmon header */
    1.59 +#define GMON_HDRSIZE_OLDBSD_32 (4 + 4 + 4) 
    1.60 +
    1.61 +/* FIXME: Checking host compiler defines here means that we can't
    1.62 +   use a cross gprof alpha OSF.  */
    1.63 +#if defined(__alpha__) && defined (__osf__) 
    1.64 +#define GMON_HDRSIZE_OLDBSD_64 (8 + 8 + 4 + 4)
    1.65 +#else
    1.66 +#define GMON_HDRSIZE_OLDBSD_64 (8 + 8 + 4)
    1.67 +#endif
    1.68 +
    1.69 +#if 0 /* For documentation purposes only.  */
    1.70 +  struct old_raw_phdr
    1.71 +    {
    1.72 +      char low_pc[sizeof(void *)]; /* base pc address of sample buffer */
    1.73 +      char high_pc[sizeof(void *)];/* max pc address of sampled buffer */
    1.74 +      char ncnt[4];		   /* size of sample buffer (plus this
    1.75 +				      header) */
    1.76 +#if defined (__alpha__) && defined (__osf__)
    1.77 +      /*
    1.78 +       * DEC's OSF v3.0 uses 4 bytes of padding to bring the header to
    1.79 +       * a size that is a multiple of 8.
    1.80 +       */
    1.81 +      char pad[4];
    1.82 +#endif
    1.83 +    };
    1.84 +#endif
    1.85 +
    1.86 +/*
    1.87 + * Histogram counters are unsigned shorts:
    1.88 + */
    1.89 +#define	HISTCOUNTER unsigned short
    1.90 +
    1.91 +/*
    1.92 + * Fraction of text space to allocate for histogram counters here, 1/2:
    1.93 + */
    1.94 +#define	HISTFRACTION	2
    1.95 +
    1.96 +/*
    1.97 + * Fraction of text space to allocate for from hash buckets.  The
    1.98 + * value of HASHFRACTION is based on the minimum number of bytes of
    1.99 + * separation between two subroutine call points in the object code.
   1.100 + * Given MIN_SUBR_SEPARATION bytes of separation the value of
   1.101 + * HASHFRACTION is calculated as:
   1.102 + *
   1.103 + *      HASHFRACTION = MIN_SUBR_SEPARATION / (2 * sizeof(short) - 1);
   1.104 + *
   1.105 + * For the VAX, the shortest two call sequence is:
   1.106 + *
   1.107 + *      calls   $0,(r0)
   1.108 + *      calls   $0,(r0)
   1.109 + *
   1.110 + * which is separated by only three bytes, thus HASHFRACTION is
   1.111 + * calculated as:
   1.112 + *
   1.113 + *      HASHFRACTION = 3 / (2 * 2 - 1) = 1
   1.114 + *
   1.115 + * Note that the division above rounds down, thus if MIN_SUBR_FRACTION
   1.116 + * is less than three, this algorithm will not work!
   1.117 + */
   1.118 +#define	HASHFRACTION 1
   1.119 +
   1.120 +/*
   1.121 + * Percent of text space to allocate for tostructs with a minimum:
   1.122 + */
   1.123 +#define ARCDENSITY	2
   1.124 +#define MINARCS		50
   1.125 +
   1.126 +struct tostruct
   1.127 +  {
   1.128 +    u32 selfpc;
   1.129 +    int count;
   1.130 +    unsigned short link;
   1.131 +  };
   1.132 +
   1.133 +/*
   1.134 + * A raw arc, with pointers to the calling site and the called site
   1.135 + * and a count.  Everything is defined in terms of characters so
   1.136 + * as to get a packed representation (otherwise, different compilers
   1.137 + * might introduce different padding):
   1.138 + */
   1.139 +#if 0 /* For documentation purposes only.  */
   1.140 +  struct raw_arc
   1.141 +    {
   1.142 +      char from_pc[sizeof(void *)];
   1.143 +      char self_pc[sizeof(void *)];
   1.144 +      char count[sizeof(long)];
   1.145 +    };
   1.146 +#endif
   1.147 +
   1.148 +/*
   1.149 + * General rounding functions:
   1.150 + */
   1.151 +#define ROUNDDOWN(x,y)	(((x)/(y))*(y))
   1.152 +#define ROUNDUP(x,y)	((((x)+(y)-1)/(y))*(y))
   1.153 +
   1.154 +#endif /* gmon_h */