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// Copyright (C) 2005-2008 Red Hat Inc.
// Copyright (C) 2006 Intel Corporation.
//
// This file is part of systemtap, and is free software. You can
// redistribute it and/or modify it under the terms of the GNU General
// Public License (GPL); either version 2, or (at your option) any
// later version.
#include <stdlib.h>
#include <string.h>
extern int _stap_probe_sentinel;
#define STAP_PROBE_START() \
char *stap_sdt = getenv("SYSTEMTAP_SDT"); \
if (stap_sdt != NULL) \
_stap_probe_start ()
#define STAP_PROBE_STRUCT(probe,argc) \
struct _probe_ ## probe \
{ \
char probe_name [strlen(#probe)+1]; \
int arg_count; \
}; \
static volatile struct _probe_ ## probe _probe_ ## probe __attribute__ ((section (".probes"))) = {#probe,argc};
#define STAP_PROBE(provider,probe) \
STAP_PROBE_STRUCT(probe,0) \
if (__builtin_expect(_stap_probe_sentinel, 0)) \
_stap_probe_0 (_probe_ ## probe.probe_name);
#define STAP_PROBE1(provider,probe,arg1) \
STAP_PROBE_STRUCT(probe,1) \
if (__builtin_expect(_stap_probe_sentinel, 0)) \
_stap_probe_1 (_probe_ ## probe.probe_name,(size_t)arg1);
#define STAP_PROBE2(provider,probe,arg1,arg2) \
STAP_PROBE_STRUCT(probe,2) \
if (__builtin_expect(_stap_probe_sentinel, 0)) \
_stap_probe_2 (_probe_ ## probe.probe_name,(size_t)arg1,(size_t)arg2);
#define STAP_PROBE3(provider,probe,arg1,arg2,arg3) \
STAP_PROBE_STRUCT(probe,3) \
if (__builtin_expect(_stap_probe_sentinel, 0)) \
_stap_probe_3 (_probe_ ## probe.probe_name,(size_t)arg1,(size_t)arg2,(size_t)arg3);
#define STAP_PROBE4(provider,probe,arg1,arg2,arg3,arg4) \
STAP_PROBE_STRUCT(probe,4) \
if (__builtin_expect(_stap_probe_sentinel, 0)) \
_stap_probe_4 (_probe_ ## probe.probe_name,(size_t)arg1,(size_t)arg2,(size_t)arg3,(size_t)arg4);
#define STAP_PROBE5(provider,probe,arg1,arg2,arg3,arg4,arg5) \
STAP_PROBE_STRUCT(probe,5) \
if (__builtin_expect(_stap_probe_sentinel, 0)) \
_stap_probe_5 (_probe_ ## probe.probe_name,(size_t)arg1,(size_t)arg2,(size_t)arg3,(size_t)arg4,(size_t)arg5);
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