mingw/include/profil.h

   1 /* profil.h: gprof profiling header file
   2
   3    Copyright 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
   4
   5 This file is part of Cygwin.
   6
   7 This software is a copyrighted work licensed under the terms of the
   8 Cygwin license.  Please consult the file "CYGWIN_LICENSE" for
   9 details. */
  10
  11 /*
  12  * This file is taken from Cygwin distribution. Please keep it in sync.
  13  * The differences should be within __MINGW32__ guard.
  14  */
  15
  16 /* profiling frequency.  (No larger than 1000) */
  17 #define PROF_HZ                 100
  18
  19 /* convert an addr to an index */
  20 #define PROFIDX(pc, base, scale)        \
  21   ({                                                                    \
  22     size_t i = (pc - base) / 2;                         \
  23     if (sizeof (unsigned long long int) > sizeof (size_t))              \
  24       i = (unsigned long long int) i * scale / 65536;                   \
  25     else                                                                \
  26       i = i / 65536 * scale + i % 65536 * scale / 65536;                \
  27     i;                                                                  \
  28   })
  29
  30 /* convert an index into an address */
  31 #define PROFADDR(idx, base, scale)              \
  32   ((base)                                       \
  33    + ((((unsigned long long)(idx) << 16)        \
  34        / (unsigned long long)(scale)) << 1))
  35
  36 /* convert a bin size into a scale */
  37 #define PROFSCALE(range, bins)          (((bins) << 16) / ((range) >> 1))
  38
  39 typedef void *_WINHANDLE;
  40
  41 struct profinfo {
  42     _WINHANDLE targthr;                 /* thread to profile */
  43     _WINHANDLE profthr;                 /* profiling thread */
  44     u_short *counter;                   /* profiling counters */
  45     u_long lowpc, highpc;               /* range to be profiled */
  46     u_int scale;                        /* scale value of bins */
  47 };
  48
  49 int profile_ctl(struct profinfo *, char *, size_t, u_long, u_int);
  50 int profil(char *, size_t, u_long, u_int);
  51