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