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// Copyright (C) 2005-2009 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.
#ifndef _SYS_SDT_H
#define _SYS_SDT_H 1
#include <string.h>
#if _LP64
#define STAP_PROBE_STRUCT_ARG(arg) \
__uint64_t arg;
#else
#define STAP_PROBE_STRUCT_ARG(arg) \
long arg __attribute__ ((aligned(8)));
#endif
#define STAP_SENTINEL 0x31425250
#define STAP_PROBE_STRUCT(probe,argc) \
struct _probe_ ## probe \
{ \
int probe_type; \
STAP_PROBE_STRUCT_ARG (probe_name); \
STAP_PROBE_STRUCT_ARG (probe_arg); \
}; \
static char probe ## _ ## probe_name [strlen(#probe)+1] \
__attribute__ ((section (".probes"))) \
= #probe; \
static volatile struct _probe_ ## probe _probe_ ## probe __attribute__ ((section (".probes"))) = {STAP_SENTINEL,(size_t)& probe ## _ ## probe_name[0],argc};
#define STAP_LABEL_REF(probe) \
if (__builtin_expect(_probe_ ## probe.probe_type < 0, 0)) \
goto STAP_LABEL(probe,__LINE__);
#define STAP_CONCAT(a,b) a ## b
#define STAP_LABEL(p,n) \
STAP_CONCAT(_stapprobe1_ ## p ## _, n)
// The goto _probe_ prevents the label from "drifting"
#define STAP_PROBE(provider,probe) \
{__label__ STAP_LABEL(probe,__LINE__); \
STAP_LABEL(probe,__LINE__): \
asm volatile ("nop"); \
STAP_PROBE_STRUCT(probe,(size_t)&& STAP_LABEL(probe,__LINE__)) \
STAP_LABEL_REF(probe) \
}
#define STAP_PROBE1(provider,probe,parm1) \
{__label__ STAP_LABEL(probe,__LINE__); \
volatile typeof((parm1)) arg1 __attribute__ ((unused)) = parm1; \
STAP_LABEL(probe,__LINE__): \
asm volatile ("nop /* %0 */" :: "g"( arg1)); \
STAP_PROBE_STRUCT(probe,(size_t)&& STAP_LABEL(probe,__LINE__)) \
STAP_LABEL_REF(probe);}
#define STAP_PROBE2(provider,probe,parm1,parm2) \
{__label__ STAP_LABEL(probe,__LINE__); \
volatile typeof((parm1)) arg1 __attribute__ ((unused)) = parm1; \
volatile typeof((parm2)) arg2 __attribute__ ((unused)) = parm2; \
STAP_LABEL(probe,__LINE__): \
asm volatile ("nop /* %0 %1 */" :: "g"(arg1), "g"(arg2)); \
STAP_PROBE_STRUCT(probe,(size_t)&& STAP_LABEL(probe,__LINE__)) \
STAP_LABEL_REF(probe);}
#define STAP_PROBE3(provider,probe,parm1,parm2,parm3) \
{__label__ STAP_LABEL(probe,__LINE__); \
volatile typeof((parm1)) arg1 __attribute__ ((unused)) = parm1; \
volatile typeof((parm2)) arg2 __attribute__ ((unused)) = parm2; \
volatile typeof((parm3)) arg3 __attribute__ ((unused)) = parm3; \
STAP_LABEL(probe,__LINE__): \
asm volatile ("nop /* %0 %1 %2 */" :: "g"(arg1), "g"(arg2), "g"(arg3)); \
STAP_PROBE_STRUCT(probe,(size_t)&& STAP_LABEL(probe,__LINE__)) \
STAP_LABEL_REF(probe);}
#define STAP_PROBE4(provider,probe,parm1,parm2,parm3,parm4) \
{__label__ STAP_LABEL(probe,__LINE__); \
volatile typeof((parm1)) arg1 __attribute__ ((unused)) = parm1; \
volatile typeof((parm2)) arg2 __attribute__ ((unused)) = parm2; \
volatile typeof((parm3)) arg3 __attribute__ ((unused)) = parm3; \
volatile typeof((parm4)) arg4 __attribute__ ((unused)) = parm4; \
STAP_LABEL(probe,__LINE__): \
asm volatile ("nop /* %0 %1 %2 %3 */" :: "g"(arg1), "g"(arg2), "g"(arg3), "g"(arg4)); \
STAP_PROBE_STRUCT(probe,(size_t)&& STAP_LABEL(probe,__LINE__)) \
STAP_LABEL_REF(probe);}
#define STAP_PROBE5(provider,probe,parm1,parm2,parm3,parm4,parm5) \
{__label__ STAP_LABEL(probe,__LINE__); \
volatile typeof((parm1)) arg1 __attribute__ ((unused)) = parm1; \
volatile typeof((parm2)) arg2 __attribute__ ((unused)) = parm2; \
volatile typeof((parm3)) arg3 __attribute__ ((unused)) = parm3; \
volatile typeof((parm4)) arg4 __attribute__ ((unused)) = parm4; \
volatile typeof((parm5)) arg5 __attribute__ ((unused)) = parm5; \
STAP_LABEL(probe,__LINE__): \
asm volatile ("nop /* %0 %1 %2 %3 %4 */" :: "X"(arg1), "X"(arg2), "X"(arg3), "X"(arg4), "X"(arg5)); \
STAP_PROBE_STRUCT(probe,(size_t)&& STAP_LABEL(probe,__LINE__)) \
STAP_LABEL_REF(probe);}
#define STAP_PROBE6(provider,probe,parm1,parm2,parm3,parm4,parm5,parm6) \
{__label__ STAP_LABEL(probe,__LINE__); \
volatile typeof((parm1)) arg1 __attribute__ ((unused)) = parm1; \
volatile typeof((parm2)) arg2 __attribute__ ((unused)) = parm2; \
volatile typeof((parm3)) arg3 __attribute__ ((unused)) = parm3; \
volatile typeof((parm4)) arg4 __attribute__ ((unused)) = parm4; \
volatile typeof((parm5)) arg5 __attribute__ ((unused)) = parm5; \
volatile typeof((parm6)) arg6 __attribute__ ((unused)) = parm6; \
STAP_LABEL(probe,__LINE__): \
asm volatile ("nop" :: "X"(arg1), "X"(arg2), "X"(arg3), "X"(arg4), "X"(arg5), "X"(arg6)); \
STAP_PROBE_STRUCT(probe,(size_t)&& STAP_LABEL(probe,__LINE__)) \
STAP_LABEL_REF(probe);}
#define STAP_PROBE7(provider,probe,parm1,parm2,parm3,parm4,parm5,parm6,parm7) \
{__label__ STAP_LABEL(probe,__LINE__); \
volatile typeof((parm1)) arg1 __attribute__ ((unused)) = parm1; \
volatile typeof((parm2)) arg2 __attribute__ ((unused)) = parm2; \
volatile typeof((parm3)) arg3 __attribute__ ((unused)) = parm3; \
volatile typeof((parm4)) arg4 __attribute__ ((unused)) = parm4; \
volatile typeof((parm5)) arg5 __attribute__ ((unused)) = parm5; \
volatile typeof((parm6)) arg6 __attribute__ ((unused)) = parm6; \
volatile typeof((parm7)) arg7 __attribute__ ((unused)) = parm7; \
STAP_LABEL(probe,__LINE__): \
asm volatile ("nop" :: "X"(arg1), "X"(arg2), "X"(arg3), "X"(arg4), "X"(arg5), "X"(arg6), "X"(arg7)); \
STAP_PROBE_STRUCT(probe,(size_t)&& STAP_LABEL(probe,__LINE__)) \
STAP_LABEL_REF(probe);}
#define STAP_PROBE8(provider,probe,parm1,parm2,parm3,parm4,parm5,parm6,parm7,parm8) \
{__label__ STAP_LABEL(probe,__LINE__); \
volatile typeof((parm1)) arg1 __attribute__ ((unused)) = parm1; \
volatile typeof((parm2)) arg2 __attribute__ ((unused)) = parm2; \
volatile typeof((parm3)) arg3 __attribute__ ((unused)) = parm3; \
volatile typeof((parm4)) arg4 __attribute__ ((unused)) = parm4; \
volatile typeof((parm5)) arg5 __attribute__ ((unused)) = parm5; \
volatile typeof((parm6)) arg6 __attribute__ ((unused)) = parm6; \
volatile typeof((parm7)) arg7 __attribute__ ((unused)) = parm7; \
volatile typeof((parm8)) arg8 __attribute__ ((unused)) = parm8; \
STAP_LABEL(probe,__LINE__): \
asm volatile ("nop" :: "X"(arg1), "X"(arg2), "X"(arg3), "X"(arg4), "X"(arg5), "X"(arg6), "X"(arg7), "X"(arg8)); \
STAP_PROBE_STRUCT(probe,(size_t)&& STAP_LABEL(probe,__LINE__)) \
STAP_LABEL_REF(probe);}
#define STAP_PROBE9(provider,probe,parm1,parm2,parm3,parm4,parm5,parm6,parm7,parm8,parm9) \
{__label__ STAP_LABEL(probe,__LINE__); \
volatile typeof((parm1)) arg1 __attribute__ ((unused)) = parm1; \
volatile typeof((parm2)) arg2 __attribute__ ((unused)) = parm2; \
volatile typeof((parm3)) arg3 __attribute__ ((unused)) = parm3; \
volatile typeof((parm4)) arg4 __attribute__ ((unused)) = parm4; \
volatile typeof((parm5)) arg5 __attribute__ ((unused)) = parm5; \
volatile typeof((parm6)) arg6 __attribute__ ((unused)) = parm6; \
volatile typeof((parm7)) arg7 __attribute__ ((unused)) = parm7; \
volatile typeof((parm8)) arg8 __attribute__ ((unused)) = parm8; \
volatile typeof((parm9)) arg9 __attribute__ ((unused)) = parm9; \
STAP_LABEL(probe,__LINE__): \
asm volatile ("nop" :: "X"(arg1), "X"(arg2), "X"(arg3), "X"(arg4), "X"(arg5), "X"(arg6), "X"(arg7), "X"(arg8), "X"(arg9)); \
STAP_PROBE_STRUCT(probe,(size_t)&& STAP_LABEL(probe,__LINE__)) \
STAP_LABEL_REF(probe);}
#define STAP_PROBE10(provider,probe,parm1,parm2,parm3,parm4,parm5,parm6,parm7,parm8,parm9,parm10) \
{__label__ STAP_LABEL(probe,__LINE__); \
volatile typeof((parm1)) arg1 __attribute__ ((unused)) = parm1; \
volatile typeof((parm2)) arg2 __attribute__ ((unused)) = parm2; \
volatile typeof((parm3)) arg3 __attribute__ ((unused)) = parm3; \
volatile typeof((parm4)) arg4 __attribute__ ((unused)) = parm4; \
volatile typeof((parm5)) arg5 __attribute__ ((unused)) = parm5; \
volatile typeof((parm6)) arg6 __attribute__ ((unused)) = parm6; \
volatile typeof((parm7)) arg7 __attribute__ ((unused)) = parm7; \
volatile typeof((parm8)) arg8 __attribute__ ((unused)) = parm8; \
volatile typeof((parm9)) arg9 __attribute__ ((unused)) = parm9; \
volatile typeof((parm10)) arg10 __attribute__ ((unused)) = parm9; \
STAP_LABEL(probe,__LINE__): \
asm volatile ("nop" :: "X"(arg1), "X"(arg2), "X"(arg3), "X"(arg4), "X"(arg5), "X"(arg6), "X"(arg7), "X"(arg8), "X"(arg9), "X"(arg10)); \
STAP_PROBE_STRUCT(probe,(size_t)&& STAP_LABEL(probe,__LINE__)) \
STAP_LABEL_REF(probe);}
#define DTRACE_PROBE(provider,probe) \
STAP_PROBE(provider,probe)
#define DTRACE_PROBE1(provider,probe,parm1) \
STAP_PROBE1(provider,probe,parm1)
#define DTRACE_PROBE2(provider,probe,parm1,parm2) \
STAP_PROBE2(provider,probe,parm1,parm2)
#define DTRACE_PROBE3(provider,probe,parm1,parm2,parm3) \
STAP_PROBE3(provider,probe,parm1,parm2,parm3)
#define DTRACE_PROBE4(provider,probe,parm1,parm2,parm3,parm4) \
STAP_PROBE4(provider,probe,parm1,parm2,parm3,parm4)
#define DTRACE_PROBE5(provider,probe,parm1,parm2,parm3,parm4,parm5) \
STAP_PROBE5(provider,probe,parm1,parm2,parm3,parm4,parm5)
#define DTRACE_PROBE6(provider,probe,parm1,parm2,parm3,parm4,parm5,parm6) \
STAP_PROBE6(provider,probe,parm1,parm2,parm3,parm4,parm5,parm6)
#define DTRACE_PROBE7(provider,probe,parm1,parm2,parm3,parm4,parm5,parm6,parm7) \
STAP_PROBE7(provider,probe,parm1,parm2,parm3,parm4,parm5,parm6,parm7)
#define DTRACE_PROBE8(provider,probe,parm1,parm2,parm3,parm4,parm5,parm6,parm7,parm8) \
STAP_PROBE8(provider,probe,parm1,parm2,parm3,parm4,parm5,parm6,parm7,parm8)
#define DTRACE_PROBE9(provider,probe,parm1,parm2,parm3,parm4,parm5,parm6,parm7,parm8,parm9) \
STAP_PROBE9(provider,probe,parm1,parm2,parm3,parm4,parm5,parm6,parm7,parm8,parm9)
#endif /* sys/sdt.h */
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