From 9ecd51ab1028e8033057df3117aac27f6f2cd406 Mon Sep 17 00:00:00 2001 From: Paul Selkirk Date: Thu, 4 May 2017 15:23:10 -0400 Subject: Copy profiling code from MCUOnEclipse. --- libraries/libprof/profil.h | 60 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 60 insertions(+) create mode 100644 libraries/libprof/profil.h (limited to 'libraries/libprof/profil.h') diff --git a/libraries/libprof/profil.h b/libraries/libprof/profil.h new file mode 100644 index 0000000..af7a3ed --- /dev/null +++ b/libraries/libprof/profil.h @@ -0,0 +1,60 @@ +/* profil.h: gprof profiling header file + + Copyright 1998, 1999, 2000, 2001, 2002 Red Hat, Inc. + +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. */ + +/* + * This file is taken from Cygwin distribution. Please keep it in sync. + * The differences should be within __MINGW32__ guard. + */ + +#ifndef __PROFIL_H__ +#define __PROFIL_H__ + +/* profiling frequency. (No larger than 1000) */ +#define PROF_HZ 1000 + +/* 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) \ + + ((((unsigned long long)(idx) << 16) \ + / (unsigned long long)(scale)) << 1)) + +/* convert a bin size into a scale */ +#define PROFSCALE(range, bins) (((bins) << 16) / ((range) >> 1)) + +typedef void *_WINHANDLE; + +typedef enum { + PROFILE_NOT_INIT = 0, + PROFILE_ON, + PROFILE_OFF +} PROFILE_State; + +struct profinfo { + PROFILE_State state; /* profiling state */ + u_short *counter; /* profiling counters */ + size_t lowpc, highpc; /* range to be profiled */ + u_int scale; /* scale value of bins */ +}; + +int profile_ctl(struct profinfo *, char *, size_t, size_t, u_int); +int profil(char *, size_t, size_t, u_int); + +#endif /* __PROFIL_H__ */ -- cgit v1.2.3