Mercurial > vba-linux

     1 /*

     2  * Copyright (c) 1983, 1991, 1993, 2001

     3  *      The Regents of the University of California.  All rights reserved.

     4  *

     5  * Redistribution and use in source and binary forms, with or without

     6  * modification, are permitted provided that the following conditions

     7  * are met:

     8  * 1. Redistributions of source code must retain the above copyright

     9  *    notice, this list of conditions and the following disclaimer.

    10  * 2. Redistributions in binary form must reproduce the above copyright

    11  *    notice, this list of conditions and the following disclaimer in the

    12  *    documentation and/or other materials provided with the distribution.

    13  * 3. Neither the name of the University nor the names of its contributors

    14  *    may be used to endorse or promote products derived from this software

    15  *    without specific prior written permission.

    16  *

    17  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND

    18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

    19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

    20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE

    21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL

    22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS

    23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)

    24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT

    25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY

    26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF

    27  * SUCH DAMAGE.

    28  */

    29 #ifndef gmon_h

    30 #define gmon_h

    31 

    32 #include <stdint.h>

    33 typedef uint32_t u32;

    34 

    35 /* Size of the 4.4BSD gmon header */

    36 #define GMON_HDRSIZE_BSD44_32 (4 + 4 + 4 + 4 + 4 + (3 * 4))

    37 #define GMON_HDRSIZE_BSD44_64 (8 + 8 + 4 + 4 + 4 + (3 * 4))

    38 

    39 #if 0 /* For documentation purposes only.  */

    40   struct raw_phdr

    41     {

    42       char low_pc[sizeof(void *)]; /* base pc address of sample buffer */

    43       char high_pc[sizeof(void *)];/* max pc address of sampled buffer */

    44       char ncnt[4];		   /* size of sample buffer (plus this

    45 				      header) */

    46 

    47       char version[4];		   /* version number */

    48       char profrate[4];		   /* profiling clock rate */

    49       char spare[3*4];		   /* reserved */

    50     };

    51 #endif

    52 

    53 #define GMONVERSION     0x00051879

    54 

    55 /* Size of the old BSD gmon header */

    56 #define GMON_HDRSIZE_OLDBSD_32 (4 + 4 + 4) 

    57 

    58 /* FIXME: Checking host compiler defines here means that we can't

    59    use a cross gprof alpha OSF.  */

    60 #if defined(__alpha__) && defined (__osf__) 

    61 #define GMON_HDRSIZE_OLDBSD_64 (8 + 8 + 4 + 4)

    62 #else

    63 #define GMON_HDRSIZE_OLDBSD_64 (8 + 8 + 4)

    64 #endif

    65 

    66 #if 0 /* For documentation purposes only.  */

    67   struct old_raw_phdr

    68     {

    69       char low_pc[sizeof(void *)]; /* base pc address of sample buffer */

    70       char high_pc[sizeof(void *)];/* max pc address of sampled buffer */

    71       char ncnt[4];		   /* size of sample buffer (plus this

    72 				      header) */

    73 #if defined (__alpha__) && defined (__osf__)

    74       /*

    75        * DEC's OSF v3.0 uses 4 bytes of padding to bring the header to

    76        * a size that is a multiple of 8.

    77        */

    78       char pad[4];

    79 #endif

    80     };

    81 #endif

    82 

    83 /*

    84  * Histogram counters are unsigned shorts:

    85  */

    86 #define	HISTCOUNTER unsigned short

    87 

    88 /*

    89  * Fraction of text space to allocate for histogram counters here, 1/2:

    90  */

    91 #define	HISTFRACTION	2

    92 

    93 /*

    94  * Fraction of text space to allocate for from hash buckets.  The

    95  * value of HASHFRACTION is based on the minimum number of bytes of

    96  * separation between two subroutine call points in the object code.

    97  * Given MIN_SUBR_SEPARATION bytes of separation the value of

    98  * HASHFRACTION is calculated as:

    99  *

   100  *      HASHFRACTION = MIN_SUBR_SEPARATION / (2 * sizeof(short) - 1);

   101  *

   102  * For the VAX, the shortest two call sequence is:

   103  *

   104  *      calls   $0,(r0)

   105  *      calls   $0,(r0)

   106  *

   107  * which is separated by only three bytes, thus HASHFRACTION is

   108  * calculated as:

   109  *

   110  *      HASHFRACTION = 3 / (2 * 2 - 1) = 1

   111  *

   112  * Note that the division above rounds down, thus if MIN_SUBR_FRACTION

   113  * is less than three, this algorithm will not work!

   114  */

   115 #define	HASHFRACTION 1

   116 

   117 /*

   118  * Percent of text space to allocate for tostructs with a minimum:

   119  */

   120 #define ARCDENSITY	2

   121 #define MINARCS		50

   122 

   123 struct tostruct

   124   {

   125     u32 selfpc;

   126     int count;

   127     unsigned short link;

   128   };

   129 

   130 /*

   131  * A raw arc, with pointers to the calling site and the called site

   132  * and a count.  Everything is defined in terms of characters so

   133  * as to get a packed representation (otherwise, different compilers

   134  * might introduce different padding):

   135  */

   136 #if 0 /* For documentation purposes only.  */

   137   struct raw_arc

   138     {

   139       char from_pc[sizeof(void *)];

   140       char self_pc[sizeof(void *)];

   141       char count[sizeof(long)];

   142     };

   143 #endif

   144 

   145 /*

   146  * General rounding functions:

   147  */

   148 #define ROUNDDOWN(x,y)	(((x)/(y))*(y))

   149 #define ROUNDUP(x,y)	((((x)+(y)-1)/(y))*(y))

   150 

   151 #endif /* gmon_h */
author	Robert McIntyre <rlm@mit.edu>
date	Sat, 03 Mar 2012 10:31:27 -0600
parents
children