435 lines
18 KiB
C
435 lines
18 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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*
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* Copyright 2006-2008 John Birrell <jb@FreeBSD.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*
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* Statically Defined Tracing (SDT) definitions.
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*
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*/
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#ifndef _SYS_SDT_H
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#define _SYS_SDT_H
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#ifndef _KERNEL
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#define _DTRACE_VERSION 1
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#define DTRACE_PROBE(prov, name) { \
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extern void __dtrace_##prov##___##name(void); \
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__dtrace_##prov##___##name(); \
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}
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#define DTRACE_PROBE1(prov, name, arg1) { \
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extern void __dtrace_##prov##___##name(unsigned long); \
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__dtrace_##prov##___##name((unsigned long)arg1); \
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}
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#define DTRACE_PROBE2(prov, name, arg1, arg2) { \
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extern void __dtrace_##prov##___##name(unsigned long, \
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unsigned long); \
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__dtrace_##prov##___##name((unsigned long)arg1, \
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(unsigned long)arg2); \
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}
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#define DTRACE_PROBE3(prov, name, arg1, arg2, arg3) { \
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extern void __dtrace_##prov##___##name(unsigned long, \
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unsigned long, unsigned long); \
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__dtrace_##prov##___##name((unsigned long)arg1, \
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(unsigned long)arg2, (unsigned long)arg3); \
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}
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#define DTRACE_PROBE4(prov, name, arg1, arg2, arg3, arg4) { \
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extern void __dtrace_##prov##___##name(unsigned long, \
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unsigned long, unsigned long, unsigned long); \
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__dtrace_##prov##___##name((unsigned long)arg1, \
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(unsigned long)arg2, (unsigned long)arg3, \
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(unsigned long)arg4); \
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}
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#define DTRACE_PROBE5(prov, name, arg1, arg2, arg3, arg4, arg5) { \
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extern void __dtrace_##prov##___##name(unsigned long, \
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unsigned long, unsigned long, unsigned long, unsigned long);\
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__dtrace_##prov##___##name((unsigned long)arg1, \
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(unsigned long)arg2, (unsigned long)arg3, \
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(unsigned long)arg4, (unsigned long)arg5); \
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}
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#else /* _KERNEL */
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#include <sys/cdefs.h>
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#include <sys/linker_set.h>
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extern volatile bool sdt_probes_enabled;
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#ifndef KDTRACE_HOOKS
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#define SDT_PROVIDER_DEFINE(prov)
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#define SDT_PROVIDER_DECLARE(prov)
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#define SDT_PROBE_DEFINE(prov, mod, func, name)
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#define SDT_PROBE_DECLARE(prov, mod, func, name)
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#define SDT_PROBES_ENABLED() 0
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#define SDT_PROBE(prov, mod, func, name, arg0, arg1, arg2, arg3, arg4)
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#define SDT_PROBE_ARGTYPE(prov, mod, func, name, num, type, xtype)
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#define SDT_PROBE_DEFINE0(prov, mod, func, name)
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#define SDT_PROBE_DEFINE1(prov, mod, func, name, arg0)
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#define SDT_PROBE_DEFINE2(prov, mod, func, name, arg0, arg1)
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#define SDT_PROBE_DEFINE3(prov, mod, func, name, arg0, arg1, arg2)
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#define SDT_PROBE_DEFINE4(prov, mod, func, name, arg0, arg1, arg2, arg3)
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#define SDT_PROBE_DEFINE5(prov, mod, func, name, arg0, arg1, arg2, arg3, arg4)
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#define SDT_PROBE_DEFINE6(prov, mod, func, name, arg0, arg1, arg2, \
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arg3, arg4, arg5)
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#define SDT_PROBE_DEFINE7(prov, mod, func, name, arg0, arg1, arg2, \
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arg3, arg4, arg5, arg6)
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#define SDT_PROBE0(prov, mod, func, name)
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#define SDT_PROBE1(prov, mod, func, name, arg0)
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#define SDT_PROBE2(prov, mod, func, name, arg0, arg1)
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#define SDT_PROBE3(prov, mod, func, name, arg0, arg1, arg2)
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#define SDT_PROBE4(prov, mod, func, name, arg0, arg1, arg2, arg3)
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#define SDT_PROBE5(prov, mod, func, name, arg0, arg1, arg2, arg3, arg4)
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#define SDT_PROBE6(prov, mod, func, name, arg0, arg1, arg2, arg3, arg4, arg5)
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#define SDT_PROBE7(prov, mod, func, name, arg0, arg1, arg2, arg3, arg4, arg5, \
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arg6)
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#define SDT_PROBE_DEFINE0_XLATE(prov, mod, func, name)
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#define SDT_PROBE_DEFINE1_XLATE(prov, mod, func, name, arg0, xarg0)
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#define SDT_PROBE_DEFINE2_XLATE(prov, mod, func, name, arg0, xarg0, \
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arg1, xarg1)
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#define SDT_PROBE_DEFINE3_XLATE(prov, mod, func, name, arg0, xarg0, \
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arg1, xarg1, arg2, xarg2)
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#define SDT_PROBE_DEFINE4_XLATE(prov, mod, func, name, arg0, xarg0, \
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arg1, xarg1, arg2, xarg2, arg3, xarg3)
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#define SDT_PROBE_DEFINE5_XLATE(prov, mod, func, name, arg0, xarg0, \
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arg1, xarg1, arg2, xarg2, arg3, xarg3, arg4, xarg4)
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#define SDT_PROBE_DEFINE6_XLATE(prov, mod, func, name, arg0, xarg0, \
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arg1, xarg1, arg2, xarg2, arg3, xarg3, arg4, xarg4, arg5, xarg5)
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#define SDT_PROBE_DEFINE7_XLATE(prov, mod, func, name, arg0, xarg0, \
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arg1, xarg1, arg2, xarg2, arg3, xarg3, arg4, xarg4, arg5, xarg5, arg6, \
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xarg6)
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#define DTRACE_PROBE(name)
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#define DTRACE_PROBE1(name, type0, arg0)
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#define DTRACE_PROBE2(name, type0, arg0, type1, arg1)
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#define DTRACE_PROBE3(name, type0, arg0, type1, arg1, type2, arg2)
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#define DTRACE_PROBE4(name, type0, arg0, type1, arg1, type2, arg2, type3, arg3)
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#define DTRACE_PROBE5(name, type0, arg0, type1, arg1, type2, arg2, type3, arg3,\
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type4, arg4)
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#else
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SET_DECLARE(sdt_providers_set, struct sdt_provider);
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SET_DECLARE(sdt_probes_set, struct sdt_probe);
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SET_DECLARE(sdt_argtypes_set, struct sdt_argtype);
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#define SDT_PROVIDER_DEFINE(prov) \
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struct sdt_provider sdt_provider_##prov[1] = { \
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{ #prov, { NULL, NULL }, 0, 0 } \
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}; \
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DATA_SET(sdt_providers_set, sdt_provider_##prov);
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#define SDT_PROVIDER_DECLARE(prov) \
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extern struct sdt_provider sdt_provider_##prov[1]
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#define SDT_PROBE_DEFINE(prov, mod, func, name) \
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struct sdt_probe sdt_##prov##_##mod##_##func##_##name[1] = { \
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{ sizeof(struct sdt_probe), sdt_provider_##prov, \
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{ NULL, NULL }, { NULL, NULL }, #mod, #func, #name, 0, 0, \
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NULL } \
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}; \
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DATA_SET(sdt_probes_set, sdt_##prov##_##mod##_##func##_##name);
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#define SDT_PROBE_DECLARE(prov, mod, func, name) \
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extern struct sdt_probe sdt_##prov##_##mod##_##func##_##name[1]
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#define SDT_PROBES_ENABLED() __predict_false(sdt_probes_enabled)
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#define SDT_PROBE(prov, mod, func, name, arg0, arg1, arg2, arg3, arg4) do { \
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if (SDT_PROBES_ENABLED()) { \
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if (__predict_false(sdt_##prov##_##mod##_##func##_##name->id)) \
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(*sdt_probe_func)(sdt_##prov##_##mod##_##func##_##name->id, \
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(uintptr_t) arg0, (uintptr_t) arg1, (uintptr_t) arg2, \
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(uintptr_t) arg3, (uintptr_t) arg4); \
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} \
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} while (0)
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#define SDT_PROBE_ARGTYPE(prov, mod, func, name, num, type, xtype) \
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static struct sdt_argtype sdta_##prov##_##mod##_##func##_##name##num[1] \
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= { { num, type, xtype, { NULL, NULL }, \
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sdt_##prov##_##mod##_##func##_##name } \
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}; \
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DATA_SET(sdt_argtypes_set, sdta_##prov##_##mod##_##func##_##name##num);
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#define SDT_PROBE_DEFINE0(prov, mod, func, name) \
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SDT_PROBE_DEFINE(prov, mod, func, name)
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#define SDT_PROBE_DEFINE1(prov, mod, func, name, arg0) \
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SDT_PROBE_DEFINE(prov, mod, func, name); \
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SDT_PROBE_ARGTYPE(prov, mod, func, name, 0, arg0, NULL)
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#define SDT_PROBE_DEFINE2(prov, mod, func, name, arg0, arg1) \
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SDT_PROBE_DEFINE(prov, mod, func, name); \
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SDT_PROBE_ARGTYPE(prov, mod, func, name, 0, arg0, NULL); \
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SDT_PROBE_ARGTYPE(prov, mod, func, name, 1, arg1, NULL)
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#define SDT_PROBE_DEFINE3(prov, mod, func, name, arg0, arg1, arg2)\
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SDT_PROBE_DEFINE(prov, mod, func, name); \
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SDT_PROBE_ARGTYPE(prov, mod, func, name, 0, arg0, NULL); \
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SDT_PROBE_ARGTYPE(prov, mod, func, name, 1, arg1, NULL); \
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SDT_PROBE_ARGTYPE(prov, mod, func, name, 2, arg2, NULL)
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#define SDT_PROBE_DEFINE4(prov, mod, func, name, arg0, arg1, arg2, arg3) \
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SDT_PROBE_DEFINE(prov, mod, func, name); \
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SDT_PROBE_ARGTYPE(prov, mod, func, name, 0, arg0, NULL); \
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SDT_PROBE_ARGTYPE(prov, mod, func, name, 1, arg1, NULL); \
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SDT_PROBE_ARGTYPE(prov, mod, func, name, 2, arg2, NULL); \
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SDT_PROBE_ARGTYPE(prov, mod, func, name, 3, arg3, NULL)
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#define SDT_PROBE_DEFINE5(prov, mod, func, name, arg0, arg1, arg2, arg3, arg4) \
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SDT_PROBE_DEFINE(prov, mod, func, name); \
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SDT_PROBE_ARGTYPE(prov, mod, func, name, 0, arg0, NULL); \
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SDT_PROBE_ARGTYPE(prov, mod, func, name, 1, arg1, NULL); \
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SDT_PROBE_ARGTYPE(prov, mod, func, name, 2, arg2, NULL); \
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SDT_PROBE_ARGTYPE(prov, mod, func, name, 3, arg3, NULL); \
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SDT_PROBE_ARGTYPE(prov, mod, func, name, 4, arg4, NULL)
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#define SDT_PROBE_DEFINE6(prov, mod, func, name, arg0, arg1, arg2, arg3,\
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arg4, arg5) \
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SDT_PROBE_DEFINE(prov, mod, func, name); \
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SDT_PROBE_ARGTYPE(prov, mod, func, name, 0, arg0, NULL); \
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SDT_PROBE_ARGTYPE(prov, mod, func, name, 1, arg1, NULL); \
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SDT_PROBE_ARGTYPE(prov, mod, func, name, 2, arg2, NULL); \
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SDT_PROBE_ARGTYPE(prov, mod, func, name, 3, arg3, NULL); \
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SDT_PROBE_ARGTYPE(prov, mod, func, name, 4, arg4, NULL); \
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SDT_PROBE_ARGTYPE(prov, mod, func, name, 5, arg5, NULL)
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#define SDT_PROBE_DEFINE7(prov, mod, func, name, arg0, arg1, arg2, arg3,\
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arg4, arg5, arg6) \
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SDT_PROBE_DEFINE(prov, mod, func, name); \
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SDT_PROBE_ARGTYPE(prov, mod, func, name, 0, arg0, NULL); \
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SDT_PROBE_ARGTYPE(prov, mod, func, name, 1, arg1, NULL); \
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SDT_PROBE_ARGTYPE(prov, mod, func, name, 2, arg2, NULL); \
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SDT_PROBE_ARGTYPE(prov, mod, func, name, 3, arg3, NULL); \
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SDT_PROBE_ARGTYPE(prov, mod, func, name, 4, arg4, NULL); \
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SDT_PROBE_ARGTYPE(prov, mod, func, name, 5, arg5, NULL); \
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SDT_PROBE_ARGTYPE(prov, mod, func, name, 6, arg6, NULL)
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#define SDT_PROBE_DEFINE0_XLATE(prov, mod, func, name) \
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SDT_PROBE_DEFINE(prov, mod, func, name)
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#define SDT_PROBE_DEFINE1_XLATE(prov, mod, func, name, arg0, xarg0) \
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SDT_PROBE_DEFINE(prov, mod, func, name); \
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SDT_PROBE_ARGTYPE(prov, mod, func, name, 0, arg0, xarg0)
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#define SDT_PROBE_DEFINE2_XLATE(prov, mod, func, name, arg0, xarg0, \
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arg1, xarg1) \
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SDT_PROBE_DEFINE(prov, mod, func, name); \
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SDT_PROBE_ARGTYPE(prov, mod, func, name, 0, arg0, xarg0); \
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SDT_PROBE_ARGTYPE(prov, mod, func, name, 1, arg1, xarg1)
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#define SDT_PROBE_DEFINE3_XLATE(prov, mod, func, name, arg0, xarg0, \
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arg1, xarg1, arg2, xarg2) \
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SDT_PROBE_DEFINE(prov, mod, func, name); \
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SDT_PROBE_ARGTYPE(prov, mod, func, name, 0, arg0, xarg0); \
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SDT_PROBE_ARGTYPE(prov, mod, func, name, 1, arg1, xarg1); \
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SDT_PROBE_ARGTYPE(prov, mod, func, name, 2, arg2, xarg2)
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#define SDT_PROBE_DEFINE4_XLATE(prov, mod, func, name, arg0, xarg0, \
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arg1, xarg1, arg2, xarg2, arg3, xarg3) \
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SDT_PROBE_DEFINE(prov, mod, func, name); \
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SDT_PROBE_ARGTYPE(prov, mod, func, name, 0, arg0, xarg0); \
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SDT_PROBE_ARGTYPE(prov, mod, func, name, 1, arg1, xarg1); \
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SDT_PROBE_ARGTYPE(prov, mod, func, name, 2, arg2, xarg2); \
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SDT_PROBE_ARGTYPE(prov, mod, func, name, 3, arg3, xarg3)
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#define SDT_PROBE_DEFINE5_XLATE(prov, mod, func, name, arg0, xarg0, \
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arg1, xarg1, arg2, xarg2, arg3, xarg3, arg4, xarg4) \
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SDT_PROBE_DEFINE(prov, mod, func, name); \
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SDT_PROBE_ARGTYPE(prov, mod, func, name, 0, arg0, xarg0); \
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SDT_PROBE_ARGTYPE(prov, mod, func, name, 1, arg1, xarg1); \
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SDT_PROBE_ARGTYPE(prov, mod, func, name, 2, arg2, xarg2); \
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SDT_PROBE_ARGTYPE(prov, mod, func, name, 3, arg3, xarg3); \
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SDT_PROBE_ARGTYPE(prov, mod, func, name, 4, arg4, xarg4)
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#define SDT_PROBE_DEFINE6_XLATE(prov, mod, func, name, arg0, xarg0, \
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arg1, xarg1, arg2, xarg2, arg3, xarg3, arg4, xarg4, arg5, xarg5) \
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SDT_PROBE_DEFINE(prov, mod, func, name); \
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SDT_PROBE_ARGTYPE(prov, mod, func, name, 0, arg0, xarg0); \
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SDT_PROBE_ARGTYPE(prov, mod, func, name, 1, arg1, xarg1); \
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SDT_PROBE_ARGTYPE(prov, mod, func, name, 2, arg2, xarg2); \
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SDT_PROBE_ARGTYPE(prov, mod, func, name, 3, arg3, xarg3); \
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SDT_PROBE_ARGTYPE(prov, mod, func, name, 4, arg4, xarg4); \
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SDT_PROBE_ARGTYPE(prov, mod, func, name, 5, arg5, xarg5)
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#define SDT_PROBE_DEFINE7_XLATE(prov, mod, func, name, arg0, xarg0, \
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arg1, xarg1, arg2, xarg2, arg3, xarg3, arg4, xarg4, arg5, xarg5, arg6, \
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xarg6) \
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SDT_PROBE_DEFINE(prov, mod, func, name); \
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SDT_PROBE_ARGTYPE(prov, mod, func, name, 0, arg0, xarg0); \
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SDT_PROBE_ARGTYPE(prov, mod, func, name, 1, arg1, xarg1); \
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SDT_PROBE_ARGTYPE(prov, mod, func, name, 2, arg2, xarg2); \
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SDT_PROBE_ARGTYPE(prov, mod, func, name, 3, arg3, xarg3); \
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SDT_PROBE_ARGTYPE(prov, mod, func, name, 4, arg4, xarg4); \
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SDT_PROBE_ARGTYPE(prov, mod, func, name, 5, arg5, xarg5); \
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SDT_PROBE_ARGTYPE(prov, mod, func, name, 6, arg6, xarg6)
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#define SDT_PROBE0(prov, mod, func, name) \
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SDT_PROBE(prov, mod, func, name, 0, 0, 0, 0, 0)
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#define SDT_PROBE1(prov, mod, func, name, arg0) \
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SDT_PROBE(prov, mod, func, name, arg0, 0, 0, 0, 0)
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#define SDT_PROBE2(prov, mod, func, name, arg0, arg1) \
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SDT_PROBE(prov, mod, func, name, arg0, arg1, 0, 0, 0)
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#define SDT_PROBE3(prov, mod, func, name, arg0, arg1, arg2) \
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SDT_PROBE(prov, mod, func, name, arg0, arg1, arg2, 0, 0)
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#define SDT_PROBE4(prov, mod, func, name, arg0, arg1, arg2, arg3) \
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SDT_PROBE(prov, mod, func, name, arg0, arg1, arg2, arg3, 0)
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#define SDT_PROBE5(prov, mod, func, name, arg0, arg1, arg2, arg3, arg4) \
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SDT_PROBE(prov, mod, func, name, arg0, arg1, arg2, arg3, arg4)
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#define SDT_PROBE6(prov, mod, func, name, arg0, arg1, arg2, arg3, arg4, arg5) \
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do { \
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if (sdt_##prov##_##mod##_##func##_##name->id) \
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(*(void (*)(uint32_t, uintptr_t, uintptr_t, uintptr_t, \
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uintptr_t, uintptr_t, uintptr_t))sdt_probe_func)( \
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sdt_##prov##_##mod##_##func##_##name->id, \
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(uintptr_t)arg0, (uintptr_t)arg1, (uintptr_t)arg2, \
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(uintptr_t)arg3, (uintptr_t)arg4, (uintptr_t)arg5);\
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} while (0)
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#define SDT_PROBE7(prov, mod, func, name, arg0, arg1, arg2, arg3, arg4, arg5, \
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arg6) \
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do { \
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if (sdt_##prov##_##mod##_##func##_##name->id) \
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(*(void (*)(uint32_t, uintptr_t, uintptr_t, uintptr_t, \
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uintptr_t, uintptr_t, uintptr_t, uintptr_t)) \
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sdt_probe_func)( \
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sdt_##prov##_##mod##_##func##_##name->id, \
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(uintptr_t)arg0, (uintptr_t)arg1, (uintptr_t)arg2, \
|
|
(uintptr_t)arg3, (uintptr_t)arg4, (uintptr_t)arg5, \
|
|
(uintptr_t)arg6); \
|
|
} while (0)
|
|
|
|
#define DTRACE_PROBE_IMPL_START(name, arg0, arg1, arg2, arg3, arg4) do { \
|
|
static SDT_PROBE_DEFINE(sdt, , , name); \
|
|
SDT_PROBE(sdt, , , name, arg0, arg1, arg2, arg3, arg4);
|
|
#define DTRACE_PROBE_IMPL_END } while (0)
|
|
|
|
#define DTRACE_PROBE(name) \
|
|
DTRACE_PROBE_IMPL_START(name, 0, 0, 0, 0, 0) \
|
|
DTRACE_PROBE_IMPL_END
|
|
|
|
#define DTRACE_PROBE1(name, type0, arg0) \
|
|
DTRACE_PROBE_IMPL_START(name, arg0, 0, 0, 0, 0) \
|
|
SDT_PROBE_ARGTYPE(sdt, , , name, 0, #type0, NULL); \
|
|
DTRACE_PROBE_IMPL_END
|
|
|
|
#define DTRACE_PROBE2(name, type0, arg0, type1, arg1) \
|
|
DTRACE_PROBE_IMPL_START(name, arg0, arg1, 0, 0, 0) \
|
|
SDT_PROBE_ARGTYPE(sdt, , , name, 0, #type0, NULL); \
|
|
SDT_PROBE_ARGTYPE(sdt, , , name, 1, #type1, NULL); \
|
|
DTRACE_PROBE_IMPL_END
|
|
|
|
#define DTRACE_PROBE3(name, type0, arg0, type1, arg1, type2, arg2) \
|
|
DTRACE_PROBE_IMPL_START(name, arg0, arg1, arg2, 0, 0) \
|
|
SDT_PROBE_ARGTYPE(sdt, , , name, 0, #type0, NULL); \
|
|
SDT_PROBE_ARGTYPE(sdt, , , name, 1, #type1, NULL); \
|
|
SDT_PROBE_ARGTYPE(sdt, , , name, 2, #type2, NULL); \
|
|
DTRACE_PROBE_IMPL_END
|
|
|
|
#define DTRACE_PROBE4(name, type0, arg0, type1, arg1, type2, arg2, type3, arg3) \
|
|
DTRACE_PROBE_IMPL_START(name, arg0, arg1, arg2, arg3, 0) \
|
|
SDT_PROBE_ARGTYPE(sdt, , , name, 0, #type0, NULL); \
|
|
SDT_PROBE_ARGTYPE(sdt, , , name, 1, #type1, NULL); \
|
|
SDT_PROBE_ARGTYPE(sdt, , , name, 2, #type2, NULL); \
|
|
SDT_PROBE_ARGTYPE(sdt, , , name, 3, #type3, NULL); \
|
|
DTRACE_PROBE_IMPL_END
|
|
|
|
#define DTRACE_PROBE5(name, type0, arg0, type1, arg1, type2, arg2, type3, arg3, \
|
|
type4, arg4) \
|
|
DTRACE_PROBE_IMPL_START(name, arg0, arg1, arg2, arg3, arg4) \
|
|
SDT_PROBE_ARGTYPE(sdt, , , name, 0, #type0, NULL); \
|
|
SDT_PROBE_ARGTYPE(sdt, , , name, 1, #type1, NULL); \
|
|
SDT_PROBE_ARGTYPE(sdt, , , name, 2, #type2, NULL); \
|
|
SDT_PROBE_ARGTYPE(sdt, , , name, 3, #type3, NULL); \
|
|
SDT_PROBE_ARGTYPE(sdt, , , name, 4, #type4, NULL); \
|
|
DTRACE_PROBE_IMPL_END
|
|
|
|
#endif /* KDTRACE_HOOKS */
|
|
|
|
/*
|
|
* This type definition must match that of dtrace_probe. It is defined this
|
|
* way to avoid having to rely on CDDL code.
|
|
*/
|
|
typedef void (*sdt_probe_func_t)(uint32_t, uintptr_t arg0, uintptr_t arg1,
|
|
uintptr_t arg2, uintptr_t arg3, uintptr_t arg4);
|
|
|
|
/*
|
|
* The 'sdt' provider will set it to dtrace_probe when it loads.
|
|
*/
|
|
extern sdt_probe_func_t sdt_probe_func;
|
|
|
|
struct sdt_probe;
|
|
struct sdt_provider;
|
|
struct linker_file;
|
|
|
|
struct sdt_argtype {
|
|
int ndx; /* Argument index. */
|
|
const char *type; /* Argument type string. */
|
|
const char *xtype; /* Translated argument type. */
|
|
TAILQ_ENTRY(sdt_argtype)
|
|
argtype_entry; /* Argument type list entry. */
|
|
struct sdt_probe *probe; /* Ptr to the probe structure. */
|
|
};
|
|
|
|
struct sdt_probe {
|
|
int version; /* Set to sizeof(struct sdt_probe). */
|
|
struct sdt_provider *prov; /* Ptr to the provider structure. */
|
|
TAILQ_ENTRY(sdt_probe)
|
|
probe_entry; /* SDT probe list entry. */
|
|
TAILQ_HEAD(, sdt_argtype) argtype_list;
|
|
const char *mod;
|
|
const char *func;
|
|
const char *name;
|
|
id_t id; /* DTrace probe ID. */
|
|
int n_args; /* Number of arguments. */
|
|
struct linker_file *sdtp_lf; /* Module in which we're defined. */
|
|
};
|
|
|
|
struct sdt_provider {
|
|
char *name; /* Provider name. */
|
|
TAILQ_ENTRY(sdt_provider)
|
|
prov_entry; /* SDT provider list entry. */
|
|
uintptr_t id; /* DTrace provider ID. */
|
|
int sdt_refs; /* Number of module references. */
|
|
};
|
|
|
|
void sdt_probe_stub(uint32_t, uintptr_t, uintptr_t, uintptr_t, uintptr_t,
|
|
uintptr_t);
|
|
|
|
SDT_PROVIDER_DECLARE(sdt);
|
|
|
|
#endif /* _KERNEL */
|
|
|
|
#endif /* _SYS_SDT_H */
|