import winsup-2000-02-17 snapshot

winsup/cygwin/profil.h

@@ -0,0 +1,44 @@
+/* profil.h: gprof profiling header file
+
+   Copyright 1998 Cygnus Solutions.
+
+This file is part of Cygwin.
+
+This software is a copyrighted work licensed under the terms of the
+Cygwin license.  Please consult the file "CYGWIN_LICENSE" for
+details. */
+
+/* profiling frequency.  (No larger than 1000) */
+#define PROF_HZ			100
+
+/* convert an addr to an index */
+#define PROFIDX(pc, base, scale)	\
+  ({									\
+    size_t i = (pc - base) / 2;				\
+    if (sizeof (unsigned long long int) > sizeof (size_t))		\
+      i = (unsigned long long int) i * scale / 65536;			\
+    else								\
+      i = i / 65536 * scale + i % 65536 * scale / 65536;		\
+    i;									\
+  })
+
+/* convert an index into an address */
+#define PROFADDR(idx, base, scale)	\
+	((base) + ((((idx) << 16) / (scale)) << 1))
+
+/* convert a bin size into a scale */
+#define PROFSCALE(range, bins)		(((bins) << 16) / ((range) >> 1))
+
+typedef void *_WINHANDLE;
+
+struct profinfo {
+    _WINHANDLE targthr;			/* thread to profile */
+    _WINHANDLE profthr;			/* profiling thread */
+    u_short *counter;			/* profiling counters */
+    u_long lowpc, highpc;		/* range to be profiled */
+    u_int scale;			/* scale value of bins */
+};
+
+int profile_ctl(struct profinfo *, char *, size_t, u_long, u_int);
+int profil(char *, size_t, u_long, u_int);
+