diff --git a/sys/sys/sdt.h b/sys/sys/sdt.h index 0987f1cc19c3..5fa612fcf632 100644 --- a/sys/sys/sdt.h +++ b/sys/sys/sdt.h @@ -1,472 +1,470 @@ /*- * SPDX-License-Identifier: BSD-2-Clause * * Copyright 2006-2008 John Birrell * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * Statically Defined Tracing (SDT) definitions. * */ #ifndef _SYS_SDT_H #define _SYS_SDT_H #ifndef _KERNEL #define _DTRACE_VERSION 1 #define DTRACE_PROBE(prov, name) { \ extern void __dtrace_##prov##___##name(void); \ __dtrace_##prov##___##name(); \ } #define DTRACE_PROBE1(prov, name, arg1) { \ extern void __dtrace_##prov##___##name(unsigned long); \ __dtrace_##prov##___##name((unsigned long)arg1); \ } #define DTRACE_PROBE2(prov, name, arg1, arg2) { \ extern void __dtrace_##prov##___##name(unsigned long, \ unsigned long); \ __dtrace_##prov##___##name((unsigned long)arg1, \ (unsigned long)arg2); \ } #define DTRACE_PROBE3(prov, name, arg1, arg2, arg3) { \ extern void __dtrace_##prov##___##name(unsigned long, \ unsigned long, unsigned long); \ __dtrace_##prov##___##name((unsigned long)arg1, \ (unsigned long)arg2, (unsigned long)arg3); \ } #define DTRACE_PROBE4(prov, name, arg1, arg2, arg3, arg4) { \ extern void __dtrace_##prov##___##name(unsigned long, \ unsigned long, unsigned long, unsigned long); \ __dtrace_##prov##___##name((unsigned long)arg1, \ (unsigned long)arg2, (unsigned long)arg3, \ (unsigned long)arg4); \ } #define DTRACE_PROBE5(prov, name, arg1, arg2, arg3, arg4, arg5) { \ extern void __dtrace_##prov##___##name(unsigned long, \ unsigned long, unsigned long, unsigned long, unsigned long);\ __dtrace_##prov##___##name((unsigned long)arg1, \ (unsigned long)arg2, (unsigned long)arg3, \ (unsigned long)arg4, (unsigned long)arg5); \ } #else /* _KERNEL */ #include #include extern volatile bool sdt_probes_enabled; #ifndef KDTRACE_HOOKS #define __sdt_used __unused #define SDT_PROVIDER_DEFINE(prov) #define SDT_PROVIDER_DECLARE(prov) #define SDT_PROBE_DEFINE(prov, mod, func, name) #define SDT_PROBE_DECLARE(prov, mod, func, name) #define SDT_PROBES_ENABLED() 0 #define SDT_PROBE(prov, mod, func, name, arg0, arg1, arg2, arg3, arg4) #define SDT_PROBE_ARGTYPE(prov, mod, func, name, num, type, xtype) #define SDT_PROBE_DEFINE0(prov, mod, func, name) #define SDT_PROBE_DEFINE1(prov, mod, func, name, arg0) #define SDT_PROBE_DEFINE2(prov, mod, func, name, arg0, arg1) #define SDT_PROBE_DEFINE3(prov, mod, func, name, arg0, arg1, arg2) #define SDT_PROBE_DEFINE4(prov, mod, func, name, arg0, arg1, arg2, arg3) #define SDT_PROBE_DEFINE5(prov, mod, func, name, arg0, arg1, arg2, arg3, arg4) #define SDT_PROBE_DEFINE6(prov, mod, func, name, arg0, arg1, arg2, \ arg3, arg4, arg5) #define SDT_PROBE0(prov, mod, func, name) #define SDT_PROBE1(prov, mod, func, name, arg0) #define SDT_PROBE2(prov, mod, func, name, arg0, arg1) #define SDT_PROBE3(prov, mod, func, name, arg0, arg1, arg2) #define SDT_PROBE4(prov, mod, func, name, arg0, arg1, arg2, arg3) #define SDT_PROBE5(prov, mod, func, name, arg0, arg1, arg2, arg3, arg4) #define SDT_PROBE6(prov, mod, func, name, arg0, arg1, arg2, arg3, arg4, arg5) #define MIB_SDT_PROBE1(...) #define MIB_SDT_PROBE2(...) #define SDT_PROBE_DEFINE0_XLATE(prov, mod, func, name) #define SDT_PROBE_DEFINE1_XLATE(prov, mod, func, name, arg0, xarg0) #define SDT_PROBE_DEFINE2_XLATE(prov, mod, func, name, arg0, xarg0, \ arg1, xarg1) #define SDT_PROBE_DEFINE3_XLATE(prov, mod, func, name, arg0, xarg0, \ arg1, xarg1, arg2, xarg2) #define SDT_PROBE_DEFINE4_XLATE(prov, mod, func, name, arg0, xarg0, \ arg1, xarg1, arg2, xarg2, arg3, xarg3) #define SDT_PROBE_DEFINE5_XLATE(prov, mod, func, name, arg0, xarg0, \ arg1, xarg1, arg2, xarg2, arg3, xarg3, arg4, xarg4) #define SDT_PROBE_DEFINE6_XLATE(prov, mod, func, name, arg0, xarg0, \ arg1, xarg1, arg2, xarg2, arg3, xarg3, arg4, xarg4, arg5, xarg5) #define DTRACE_PROBE(name) #define DTRACE_PROBE1(name, type0, arg0) #define DTRACE_PROBE2(name, type0, arg0, type1, arg1) #define DTRACE_PROBE3(name, type0, arg0, type1, arg1, type2, arg2) #define DTRACE_PROBE4(name, type0, arg0, type1, arg1, type2, arg2, type3, arg3) #define DTRACE_PROBE5(name, type0, arg0, type1, arg1, type2, arg2, type3, arg3,\ type4, arg4) #else void sdt_probe(uint32_t, uintptr_t, uintptr_t, uintptr_t, uintptr_t, uintptr_t); void sdt_probe6(uint32_t, uintptr_t, uintptr_t, uintptr_t, uintptr_t, uintptr_t, uintptr_t); #define _SDT_TRACEPOINT_SET sdt_tracepoint_set #define _SDT_TRACEPOINT_SECTION "set_sdt_tracepoint_set" bool sdt_tracepoint_valid(uintptr_t patchpoint, uintptr_t target); void sdt_tracepoint_patch(uintptr_t patchpoint, uintptr_t target); void sdt_tracepoint_restore(uintptr_t patchpoint); #define __sdt_used SET_DECLARE(sdt_providers_set, struct sdt_provider); SET_DECLARE(sdt_probes_set, struct sdt_probe); SET_DECLARE(sdt_argtypes_set, struct sdt_argtype); #define _SDT_PROBE_NAME(prov, mod, func, name) \ sdt_##prov##_##mod##_##func##_##name #define _SDT_PROVIDER_NAME(prov) \ sdt_provider_##prov #define SDT_PROVIDER_DEFINE(_prov) \ - struct sdt_provider _SDT_PROVIDER_NAME(_prov)[1] = { \ - [0] = { .name = #_prov }, \ + struct sdt_provider _SDT_PROVIDER_NAME(_prov) = { \ + .name = #_prov, \ }; \ DATA_SET(sdt_providers_set, _SDT_PROVIDER_NAME(_prov)) #define SDT_PROVIDER_DECLARE(prov) \ - extern struct sdt_provider _SDT_PROVIDER_NAME(prov)[1] + extern struct sdt_provider _SDT_PROVIDER_NAME(prov) #define SDT_PROBE_DEFINE(_prov, _mod, _func, _name) \ - struct sdt_probe _SDT_PROBE_NAME(_prov, _mod, _func, _name)[1] = { \ - [0] = { \ - .version = sizeof(struct sdt_probe), \ - .prov = _SDT_PROVIDER_NAME(_prov), \ - .mod = #_mod, \ - .func = #_func, \ - .name = #_name, \ - }, \ + struct sdt_probe _SDT_PROBE_NAME(_prov, _mod, _func, _name) = { \ + .version = sizeof(struct sdt_probe), \ + .prov = &_SDT_PROVIDER_NAME(_prov), \ + .mod = #_mod, \ + .func = #_func, \ + .name = #_name, \ }; \ DATA_SET(sdt_probes_set, _SDT_PROBE_NAME(_prov, _mod, _func, _name)) #define SDT_PROBE_DECLARE(prov, mod, func, name) \ - extern struct sdt_probe _SDT_PROBE_NAME(prov, mod, func, name)[1] + extern struct sdt_probe _SDT_PROBE_NAME(prov, mod, func, name) #define SDT_PROBES_ENABLED() __predict_false(sdt_probes_enabled) #ifdef _ILP32 #define _SDT_ASM_WORD ".long" #else #define _SDT_ASM_WORD ".quad" #endif #ifndef _SDT_ASM_PROBE_CONSTRAINT #define _SDT_ASM_PROBE_CONSTRAINT "i" #endif #ifndef _SDT_ASM_PROBE_OPERAND #define _SDT_ASM_PROBE_OPERAND "c" #endif /* * The asm below generates records corresponding to the structure's layout, so * the two must be kept in sync. */ struct sdt_tracepoint { struct sdt_probe *probe; uintptr_t patchpoint; uintptr_t target; STAILQ_ENTRY(sdt_tracepoint) tracepoint_entry; }; #define __SDT_PROBE(prov, mod, func, name, uniq, f, ...) do { \ __WEAK(__CONCAT(__start_set_, _SDT_TRACEPOINT_SET)); \ __WEAK(__CONCAT(__stop_set_, _SDT_TRACEPOINT_SET)); \ asm goto( \ "0:\n" \ _SDT_ASM_PATCH_INSTR "\n" \ ".pushsection " _SDT_TRACEPOINT_SECTION ", \"aw\"\n" \ _SDT_ASM_WORD " %" _SDT_ASM_PROBE_OPERAND "0\n" \ _SDT_ASM_WORD " 0b\n" \ _SDT_ASM_WORD " %l1\n" \ _SDT_ASM_WORD " 0\n" \ ".popsection\n" \ : \ - : _SDT_ASM_PROBE_CONSTRAINT (_SDT_PROBE_NAME(prov, mod, \ + : _SDT_ASM_PROBE_CONSTRAINT (&_SDT_PROBE_NAME(prov, mod, \ func, name)) \ : \ : __sdt_probe##uniq); \ if (0) { \ __sdt_probe##uniq:; \ - f(_SDT_PROBE_NAME(prov, mod, func, name)->id, __VA_ARGS__); \ + f(_SDT_PROBE_NAME(prov, mod, func, name).id, __VA_ARGS__); \ } \ } while (0) #define _SDT_PROBE(prov, mod, func, name, uniq, f, ...) \ __SDT_PROBE(prov, mod, func, name, uniq, f, __VA_ARGS__) #define SDT_PROBE(prov, mod, func, name, arg0, arg1, arg2, arg3, arg4) \ _SDT_PROBE(prov, mod, func, name, __COUNTER__, sdt_probe, \ (uintptr_t)arg0, (uintptr_t)arg1, (uintptr_t)arg2, \ (uintptr_t)arg3, (uintptr_t)arg4) #define SDT_PROBE_ARGTYPE(_prov, _mod, _func, _name, _num, _type, _xtype) \ static struct sdt_argtype \ sdta_##_prov##_##_mod##_##_func##_##_name##_num[1] = { \ [0] = { \ .ndx = _num, \ .type = _type, \ .xtype = _xtype, \ - .probe = _SDT_PROBE_NAME(_prov, _mod, _func, _name), \ + .probe = &_SDT_PROBE_NAME(_prov, _mod, _func, _name), \ }, \ }; \ DATA_SET(sdt_argtypes_set, \ sdta_##_prov##_##_mod##_##_func##_##_name##_num); #define SDT_PROBE_DEFINE0(prov, mod, func, name) \ SDT_PROBE_DEFINE(prov, mod, func, name) #define SDT_PROBE_DEFINE1(prov, mod, func, name, arg0) \ SDT_PROBE_DEFINE(prov, mod, func, name); \ SDT_PROBE_ARGTYPE(prov, mod, func, name, 0, arg0, NULL) #define SDT_PROBE_DEFINE2(prov, mod, func, name, arg0, arg1) \ SDT_PROBE_DEFINE(prov, mod, func, name); \ SDT_PROBE_ARGTYPE(prov, mod, func, name, 0, arg0, NULL); \ SDT_PROBE_ARGTYPE(prov, mod, func, name, 1, arg1, NULL) #define SDT_PROBE_DEFINE3(prov, mod, func, name, arg0, arg1, arg2)\ SDT_PROBE_DEFINE(prov, mod, func, name); \ SDT_PROBE_ARGTYPE(prov, mod, func, name, 0, arg0, NULL); \ SDT_PROBE_ARGTYPE(prov, mod, func, name, 1, arg1, NULL); \ SDT_PROBE_ARGTYPE(prov, mod, func, name, 2, arg2, NULL) #define SDT_PROBE_DEFINE4(prov, mod, func, name, arg0, arg1, arg2, arg3) \ SDT_PROBE_DEFINE(prov, mod, func, name); \ SDT_PROBE_ARGTYPE(prov, mod, func, name, 0, arg0, NULL); \ SDT_PROBE_ARGTYPE(prov, mod, func, name, 1, arg1, NULL); \ SDT_PROBE_ARGTYPE(prov, mod, func, name, 2, arg2, NULL); \ SDT_PROBE_ARGTYPE(prov, mod, func, name, 3, arg3, NULL) #define SDT_PROBE_DEFINE5(prov, mod, func, name, arg0, arg1, arg2, arg3, arg4) \ SDT_PROBE_DEFINE(prov, mod, func, name); \ SDT_PROBE_ARGTYPE(prov, mod, func, name, 0, arg0, NULL); \ SDT_PROBE_ARGTYPE(prov, mod, func, name, 1, arg1, NULL); \ SDT_PROBE_ARGTYPE(prov, mod, func, name, 2, arg2, NULL); \ SDT_PROBE_ARGTYPE(prov, mod, func, name, 3, arg3, NULL); \ SDT_PROBE_ARGTYPE(prov, mod, func, name, 4, arg4, NULL) #define SDT_PROBE_DEFINE6(prov, mod, func, name, arg0, arg1, arg2, arg3,\ arg4, arg5) \ SDT_PROBE_DEFINE(prov, mod, func, name); \ SDT_PROBE_ARGTYPE(prov, mod, func, name, 0, arg0, NULL); \ SDT_PROBE_ARGTYPE(prov, mod, func, name, 1, arg1, NULL); \ SDT_PROBE_ARGTYPE(prov, mod, func, name, 2, arg2, NULL); \ SDT_PROBE_ARGTYPE(prov, mod, func, name, 3, arg3, NULL); \ SDT_PROBE_ARGTYPE(prov, mod, func, name, 4, arg4, NULL); \ SDT_PROBE_ARGTYPE(prov, mod, func, name, 5, arg5, NULL) #define SDT_PROBE_DEFINE0_XLATE(prov, mod, func, name) \ SDT_PROBE_DEFINE(prov, mod, func, name) #define SDT_PROBE_DEFINE1_XLATE(prov, mod, func, name, arg0, xarg0) \ SDT_PROBE_DEFINE(prov, mod, func, name); \ SDT_PROBE_ARGTYPE(prov, mod, func, name, 0, arg0, xarg0) #define SDT_PROBE_DEFINE2_XLATE(prov, mod, func, name, arg0, xarg0, \ arg1, xarg1) \ SDT_PROBE_DEFINE(prov, mod, func, name); \ SDT_PROBE_ARGTYPE(prov, mod, func, name, 0, arg0, xarg0); \ SDT_PROBE_ARGTYPE(prov, mod, func, name, 1, arg1, xarg1) #define SDT_PROBE_DEFINE3_XLATE(prov, mod, func, name, arg0, xarg0, \ arg1, xarg1, arg2, xarg2) \ SDT_PROBE_DEFINE(prov, mod, func, name); \ SDT_PROBE_ARGTYPE(prov, mod, func, name, 0, arg0, xarg0); \ SDT_PROBE_ARGTYPE(prov, mod, func, name, 1, arg1, xarg1); \ SDT_PROBE_ARGTYPE(prov, mod, func, name, 2, arg2, xarg2) #define SDT_PROBE_DEFINE4_XLATE(prov, mod, func, name, arg0, xarg0, \ arg1, xarg1, arg2, xarg2, arg3, xarg3) \ SDT_PROBE_DEFINE(prov, mod, func, name); \ SDT_PROBE_ARGTYPE(prov, mod, func, name, 0, arg0, xarg0); \ SDT_PROBE_ARGTYPE(prov, mod, func, name, 1, arg1, xarg1); \ SDT_PROBE_ARGTYPE(prov, mod, func, name, 2, arg2, xarg2); \ SDT_PROBE_ARGTYPE(prov, mod, func, name, 3, arg3, xarg3) #define SDT_PROBE_DEFINE5_XLATE(prov, mod, func, name, arg0, xarg0, \ arg1, xarg1, arg2, xarg2, arg3, xarg3, arg4, xarg4) \ SDT_PROBE_DEFINE(prov, mod, func, name); \ SDT_PROBE_ARGTYPE(prov, mod, func, name, 0, arg0, xarg0); \ SDT_PROBE_ARGTYPE(prov, mod, func, name, 1, arg1, xarg1); \ SDT_PROBE_ARGTYPE(prov, mod, func, name, 2, arg2, xarg2); \ SDT_PROBE_ARGTYPE(prov, mod, func, name, 3, arg3, xarg3); \ SDT_PROBE_ARGTYPE(prov, mod, func, name, 4, arg4, xarg4) #define SDT_PROBE_DEFINE6_XLATE(prov, mod, func, name, arg0, xarg0, \ arg1, xarg1, arg2, xarg2, arg3, xarg3, arg4, xarg4, arg5, xarg5) \ SDT_PROBE_DEFINE(prov, mod, func, name); \ SDT_PROBE_ARGTYPE(prov, mod, func, name, 0, arg0, xarg0); \ SDT_PROBE_ARGTYPE(prov, mod, func, name, 1, arg1, xarg1); \ SDT_PROBE_ARGTYPE(prov, mod, func, name, 2, arg2, xarg2); \ SDT_PROBE_ARGTYPE(prov, mod, func, name, 3, arg3, xarg3); \ SDT_PROBE_ARGTYPE(prov, mod, func, name, 4, arg4, xarg4); \ SDT_PROBE_ARGTYPE(prov, mod, func, name, 5, arg5, xarg5) #define SDT_PROBE0(prov, mod, func, name) \ SDT_PROBE(prov, mod, func, name, 0, 0, 0, 0, 0) #define SDT_PROBE1(prov, mod, func, name, arg0) \ SDT_PROBE(prov, mod, func, name, arg0, 0, 0, 0, 0) #define SDT_PROBE2(prov, mod, func, name, arg0, arg1) \ SDT_PROBE(prov, mod, func, name, arg0, arg1, 0, 0, 0) #define SDT_PROBE3(prov, mod, func, name, arg0, arg1, arg2) \ SDT_PROBE(prov, mod, func, name, arg0, arg1, arg2, 0, 0) #define SDT_PROBE4(prov, mod, func, name, arg0, arg1, arg2, arg3) \ SDT_PROBE(prov, mod, func, name, arg0, arg1, arg2, arg3, 0) #define SDT_PROBE5(prov, mod, func, name, arg0, arg1, arg2, arg3, arg4) \ SDT_PROBE(prov, mod, func, name, arg0, arg1, arg2, arg3, arg4) #define SDT_PROBE6(prov, mod, func, name, arg0, arg1, arg2, arg3, arg4, arg5) \ _SDT_PROBE(prov, mod, func, name, __COUNTER__, sdt_probe6, \ (uintptr_t)arg0, (uintptr_t)arg1, (uintptr_t)arg2, \ (uintptr_t)arg3, (uintptr_t)arg4, (uintptr_t)arg5) #ifndef KDTRACE_NO_MIB_SDT #define MIB_SDT_PROBE1(...) SDT_PROBE1(mib, __VA_ARGS__) #define MIB_SDT_PROBE2(...) SDT_PROBE2(mib, __VA_ARGS__) #else #define MIB_SDT_PROBE1(...) #define MIB_SDT_PROBE2(...) #endif #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, uintptr_t arg5); /* * 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; STAILQ_HEAD(, sdt_tracepoint) tracepoint_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, uintptr_t); SDT_PROVIDER_DECLARE(sdt); #endif /* _KERNEL */ #endif /* _SYS_SDT_H */