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sdt: Add macros which expand to probe and provider structure names

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No functional change intended.

MFC after:	1 week
This commit is contained in:
Mark Johnston 2024-05-01 07:17:29 -04:00
parent 0fe60dc655
commit 4afce4473d
1 changed files with 21 additions and 16 deletions
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37
sys/sys/sdt.h
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@ -150,36 +150,41 @@ 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_##_prov[1] = { \
struct sdt_provider _SDT_PROVIDER_NAME(_prov)[1] = { \
[0] = { .name = #_prov }, \
}; \
DATA_SET(sdt_providers_set, sdt_provider_##_prov);
DATA_SET(sdt_providers_set, _SDT_PROVIDER_NAME(_prov))
#define SDT_PROVIDER_DECLARE(prov) \
extern struct sdt_provider sdt_provider_##prov[1]
#define SDT_PROVIDER_DECLARE(prov) \
extern struct sdt_provider _SDT_PROVIDER_NAME(prov)[1]
#define SDT_PROBE_DEFINE(_prov, _mod, _func, _name) \
struct sdt_probe sdt_##_prov##_##_mod##_##_func##_##_name[1] = {\
struct sdt_probe _SDT_PROBE_NAME(_prov, _mod, _func, _name)[1] = { \
[0] = { \
.version = sizeof(struct sdt_probe), \
.prov = sdt_provider_##_prov, \
.prov = _SDT_PROVIDER_NAME(_prov), \
.mod = #_mod, \
.func = #_func, \
.name = #_name, \
}, \
}; \
DATA_SET(sdt_probes_set, sdt_##_prov##_##_mod##_##_func##_##_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_##prov##_##mod##_##func##_##name[1]
#define SDT_PROBE_DECLARE(prov, mod, func, name) \
extern struct sdt_probe _SDT_PROBE_NAME(prov, mod, func, name)[1]
#define SDT_PROBES_ENABLED() __predict_false(sdt_probes_enabled)
#define SDT_PROBE(prov, mod, func, name, arg0, arg1, arg2, arg3, arg4) do { \
if (SDT_PROBES_ENABLED()) { \
if (__predict_false(sdt_##prov##_##mod##_##func##_##name->id)) \
(*sdt_probe_func)(sdt_##prov##_##mod##_##func##_##name->id, \
if (__predict_false(_SDT_PROBE_NAME(prov, mod, func, name)->id)) \
(*sdt_probe_func)(_SDT_PROBE_NAME(prov, mod, func, name)->id, \
(uintptr_t) arg0, (uintptr_t) arg1, (uintptr_t) arg2, \
(uintptr_t) arg3, (uintptr_t) arg4); \
} \
@ -192,7 +197,7 @@ SET_DECLARE(sdt_argtypes_set, struct sdt_argtype);
.ndx = _num, \
.type = _type, \
.xtype = _xtype, \
.probe = sdt_##_prov##_##_mod##_##_func##_##_name, \
.probe = _SDT_PROBE_NAME(_prov, _mod, _func, _name), \
}, \
}; \
DATA_SET(sdt_argtypes_set, \
@ -325,21 +330,21 @@ SET_DECLARE(sdt_argtypes_set, struct sdt_argtype);
SDT_PROBE(prov, mod, func, name, arg0, arg1, arg2, arg3, arg4)
#define SDT_PROBE6(prov, mod, func, name, arg0, arg1, arg2, arg3, arg4, arg5) \
do { \
if (sdt_##prov##_##mod##_##func##_##name->id) \
if (_SDT_PROBE_NAME(prov, mod, func, name)->id) \
(*(void (*)(uint32_t, uintptr_t, uintptr_t, uintptr_t, \
uintptr_t, uintptr_t, uintptr_t))sdt_probe_func)( \
sdt_##prov##_##mod##_##func##_##name->id, \
_SDT_PROBE_NAME(prov, mod, func, name)->id, \
(uintptr_t)arg0, (uintptr_t)arg1, (uintptr_t)arg2, \
(uintptr_t)arg3, (uintptr_t)arg4, (uintptr_t)arg5);\
} while (0)
#define SDT_PROBE7(prov, mod, func, name, arg0, arg1, arg2, arg3, arg4, arg5, \
arg6) \
do { \
if (sdt_##prov##_##mod##_##func##_##name->id) \
if (_SDT_PROBE_NAME(prov, mod, func, name)->id) \
(*(void (*)(uint32_t, uintptr_t, uintptr_t, uintptr_t, \
uintptr_t, uintptr_t, uintptr_t, uintptr_t)) \
sdt_probe_func)( \
sdt_##prov##_##mod##_##func##_##name->id, \
_SDT_PROBE_NAME(prov, mod, func, name)->id, \
(uintptr_t)arg0, (uintptr_t)arg1, (uintptr_t)arg2, \
(uintptr_t)arg3, (uintptr_t)arg4, (uintptr_t)arg5, \
(uintptr_t)arg6); \