45 lines
1.3 KiB
C
45 lines
1.3 KiB
C
/* profil.h: gprof profiling header file
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Copyright 1998 Cygnus Solutions.
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This file is part of Cygwin.
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This software is a copyrighted work licensed under the terms of the
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Cygwin license. Please consult the file "CYGWIN_LICENSE" for
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details. */
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/* profiling frequency. (No larger than 1000) */
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#define PROF_HZ 100
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/* convert an addr to an index */
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#define PROFIDX(pc, base, scale) \
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({ \
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size_t i = (pc - base) / 2; \
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if (sizeof (unsigned long long int) > sizeof (size_t)) \
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i = (unsigned long long int) i * scale / 65536; \
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else \
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i = i / 65536 * scale + i % 65536 * scale / 65536; \
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i; \
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})
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/* convert an index into an address */
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#define PROFADDR(idx, base, scale) \
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((base) + ((((idx) << 16) / (scale)) << 1))
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/* convert a bin size into a scale */
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#define PROFSCALE(range, bins) (((bins) << 16) / ((range) >> 1))
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typedef void *_WINHANDLE;
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struct profinfo {
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_WINHANDLE targthr; /* thread to profile */
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_WINHANDLE profthr; /* profiling thread */
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u_short *counter; /* profiling counters */
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u_long lowpc, highpc; /* range to be profiled */
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u_int scale; /* scale value of bins */
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};
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int profile_ctl(struct profinfo *, char *, size_t, u_long, u_int);
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int profil(char *, size_t, u_long, u_int);
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