Fix: missing #include for 3.8 kernel
[lttng-modules.git] / src / lttng-syscalls.c
index dfb00cbb7043d58ac780abb8cfc4662405d02aba..6b52b69bbf7dd2c3d0f50e2dfaa6b2f2d96a160f 100644 (file)
 #include <wrapper/rcu.h>
 #include <wrapper/syscall.h>
 #include <lttng/events.h>
+#include <lttng/events-internal.h>
 #include <lttng/utils.h>
 
+#include "lttng-syscalls.h"
+
 #ifndef CONFIG_COMPAT
 # ifndef is_compat_task
 #  define is_compat_task()     (0)
@@ -59,15 +62,11 @@ enum sc_type {
 #define SYSCALL_EXIT_STR               __stringify(SYSCALL_EXIT_TOK)
 #define COMPAT_SYSCALL_EXIT_STR                __stringify(COMPAT_SYSCALL_EXIT_TOK)
 
-static
 void syscall_entry_event_probe(void *__data, struct pt_regs *regs, long id);
-static
 void syscall_exit_event_probe(void *__data, struct pt_regs *regs, long ret);
 
-static
 void syscall_entry_event_notifier_probe(void *__data, struct pt_regs *regs,
                long id);
-static
 void syscall_exit_event_notifier_probe(void *__data, struct pt_regs *regs,
                long ret);
 
@@ -117,260 +116,15 @@ typedef __kernel_old_time_t time_t;
 #include <instrumentation/syscalls/headers/syscalls_unknown.h>
 #undef TRACE_SYSTEM
 
-#define SC_ENTER
-
-#undef sc_exit
-#define sc_exit(...)
-#undef sc_in
-#define sc_in(...)     __VA_ARGS__
-#undef sc_out
-#define sc_out(...)
-#undef sc_inout
-#define sc_inout(...)  __VA_ARGS__
-
-/* Hijack probe callback for system call enter */
-#undef TP_PROBE_CB
-#define TP_PROBE_CB(_template)         &syscall_entry_event_probe
-#define SC_LTTNG_TRACEPOINT_EVENT(_name, _proto, _args, _fields) \
-       LTTNG_TRACEPOINT_EVENT(syscall_entry_##_name, PARAMS(_proto), PARAMS(_args), \
-               PARAMS(_fields))
-#define SC_LTTNG_TRACEPOINT_EVENT_CODE(_name, _proto, _args, _locvar, _code_pre, _fields, _code_post) \
-       LTTNG_TRACEPOINT_EVENT_CODE(syscall_entry_##_name, PARAMS(_proto), PARAMS(_args), \
-               PARAMS(_locvar), PARAMS(_code_pre),                             \
-               PARAMS(_fields), PARAMS(_code_post))
-#define SC_LTTNG_TRACEPOINT_EVENT_CLASS_NOARGS(_name, _fields) \
-       LTTNG_TRACEPOINT_EVENT_CLASS_NOARGS(syscall_entry_##_name, PARAMS(_fields))
-#define SC_LTTNG_TRACEPOINT_EVENT_INSTANCE_NOARGS(_template, _name)            \
-       LTTNG_TRACEPOINT_EVENT_INSTANCE_NOARGS(syscall_entry_##_template, syscall_entry_##_name)
-/* Enumerations only defined at first inclusion. */
-#define SC_LTTNG_TRACEPOINT_ENUM(_name, _values) \
-       LTTNG_TRACEPOINT_ENUM(_name, PARAMS(_values))
-#undef TRACE_SYSTEM
-#define TRACE_SYSTEM syscall_entry_integers
-#define TRACE_INCLUDE_FILE syscalls_integers
-#include <instrumentation/syscalls/headers/syscalls_integers.h>
-#undef TRACE_INCLUDE_FILE
-#undef TRACE_SYSTEM
-#define TRACE_SYSTEM syscall_entry_pointers
-#define TRACE_INCLUDE_FILE syscalls_pointers
-#include <instrumentation/syscalls/headers/syscalls_pointers.h>
-#undef TRACE_INCLUDE_FILE
-#undef TRACE_SYSTEM
-#undef SC_LTTNG_TRACEPOINT_ENUM
-#undef SC_LTTNG_TRACEPOINT_EVENT_CODE
-#undef SC_LTTNG_TRACEPOINT_EVENT
-#undef SC_LTTNG_TRACEPOINT_EVENT_CLASS_NOARGS
-#undef SC_LTTNG_TRACEPOINT_EVENT_INSTANCE_NOARGS
-#undef TP_PROBE_CB
-#undef _TRACE_SYSCALLS_INTEGERS_H
-#undef _TRACE_SYSCALLS_POINTERS_H
-
-/* Hijack probe callback for compat system call enter */
-#define TP_PROBE_CB(_template)         &syscall_entry_event_probe
-#define LTTNG_SC_COMPAT
-#define SC_LTTNG_TRACEPOINT_EVENT(_name, _proto, _args, _fields) \
-       LTTNG_TRACEPOINT_EVENT(compat_syscall_entry_##_name, PARAMS(_proto), PARAMS(_args), \
-               PARAMS(_fields))
-#define SC_LTTNG_TRACEPOINT_EVENT_CODE(_name, _proto, _args, _locvar, _code_pre, _fields, _code_post) \
-       LTTNG_TRACEPOINT_EVENT_CODE(compat_syscall_entry_##_name, PARAMS(_proto), PARAMS(_args), \
-               PARAMS(_locvar), PARAMS(_code_pre), PARAMS(_fields), PARAMS(_code_post))
-#define SC_LTTNG_TRACEPOINT_EVENT_CLASS_NOARGS(_name, _fields) \
-       LTTNG_TRACEPOINT_EVENT_CLASS_NOARGS(compat_syscall_entry_##_name, PARAMS(_fields))
-#define SC_LTTNG_TRACEPOINT_EVENT_INSTANCE_NOARGS(_template, _name)            \
-       LTTNG_TRACEPOINT_EVENT_INSTANCE_NOARGS(compat_syscall_entry_##_template, \
-               compat_syscall_entry_##_name)
-/* Enumerations only defined at inital inclusion (not here). */
-#define SC_LTTNG_TRACEPOINT_ENUM(_name, _values)
-#define TRACE_SYSTEM compat_syscall_entry_integers
-#define TRACE_INCLUDE_FILE compat_syscalls_integers
-#include <instrumentation/syscalls/headers/compat_syscalls_integers.h>
-#undef TRACE_INCLUDE_FILE
-#undef TRACE_SYSTEM
-#define TRACE_SYSTEM compat_syscall_entry_pointers
-#define TRACE_INCLUDE_FILE compat_syscalls_pointers
-#include <instrumentation/syscalls/headers/compat_syscalls_pointers.h>
-#undef TRACE_INCLUDE_FILE
-#undef TRACE_SYSTEM
-#undef SC_LTTNG_TRACEPOINT_ENUM
-#undef SC_LTTNG_TRACEPOINT_EVENT_CODE
-#undef SC_LTTNG_TRACEPOINT_EVENT
-#undef SC_LTTNG_TRACEPOINT_EVENT_CLASS_NOARGS
-#undef SC_LTTNG_TRACEPOINT_EVENT_INSTANCE_NOARGS
-#undef TP_PROBE_CB
-#undef _TRACE_SYSCALLS_INTEGERS_H
-#undef _TRACE_SYSCALLS_POINTERS_H
-#undef LTTNG_SC_COMPAT
-
-#undef SC_ENTER
-
-#define SC_EXIT
-
-#undef sc_exit
-#define sc_exit(...)           __VA_ARGS__
-#undef sc_in
-#define sc_in(...)
-#undef sc_out
-#define sc_out(...)            __VA_ARGS__
-#undef sc_inout
-#define sc_inout(...)          __VA_ARGS__
-
-/* Hijack probe callback for system call exit */
-#define TP_PROBE_CB(_template)         &syscall_exit_event_probe
-#define SC_LTTNG_TRACEPOINT_EVENT(_name, _proto, _args, _fields) \
-       LTTNG_TRACEPOINT_EVENT(syscall_exit_##_name, PARAMS(_proto), PARAMS(_args), \
-               PARAMS(_fields))
-#define SC_LTTNG_TRACEPOINT_EVENT_CODE(_name, _proto, _args, _locvar, _code_pre, _fields, _code_post) \
-       LTTNG_TRACEPOINT_EVENT_CODE(syscall_exit_##_name, PARAMS(_proto), PARAMS(_args), \
-               PARAMS(_locvar), PARAMS(_code_pre), PARAMS(_fields), PARAMS(_code_post))
-#define SC_LTTNG_TRACEPOINT_EVENT_CLASS_NOARGS(_name, _fields) \
-       LTTNG_TRACEPOINT_EVENT_CLASS_NOARGS(syscall_exit_##_name, PARAMS(_fields))
-#define SC_LTTNG_TRACEPOINT_EVENT_INSTANCE_NOARGS(_template, _name)            \
-       LTTNG_TRACEPOINT_EVENT_INSTANCE_NOARGS(syscall_exit_##_template,        \
-               syscall_exit_##_name)
-/* Enumerations only defined at inital inclusion (not here). */
-#define SC_LTTNG_TRACEPOINT_ENUM(_name, _values)
-#define TRACE_SYSTEM syscall_exit_integers
-#define TRACE_INCLUDE_FILE syscalls_integers
-#include <instrumentation/syscalls/headers/syscalls_integers.h>
-#undef TRACE_INCLUDE_FILE
-#undef TRACE_SYSTEM
-#define TRACE_SYSTEM syscall_exit_pointers
-#define TRACE_INCLUDE_FILE syscalls_pointers
-#include <instrumentation/syscalls/headers/syscalls_pointers.h>
-#undef TRACE_INCLUDE_FILE
-#undef TRACE_SYSTEM
-#undef SC_LTTNG_TRACEPOINT_ENUM
-#undef SC_LTTNG_TRACEPOINT_EVENT_CODE
-#undef SC_LTTNG_TRACEPOINT_EVENT
-#undef SC_LTTNG_TRACEPOINT_EVENT_CLASS_NOARGS
-#undef SC_LTTNG_TRACEPOINT_EVENT_INSTANCE_NOARGS
-#undef TP_PROBE_CB
-#undef _TRACE_SYSCALLS_INTEGERS_H
-#undef _TRACE_SYSCALLS_POINTERS_H
-
-
-/* Hijack probe callback for compat system call exit */
-#define TP_PROBE_CB(_template)         &syscall_exit_event_probe
-#define LTTNG_SC_COMPAT
-#define SC_LTTNG_TRACEPOINT_EVENT(_name, _proto, _args, _fields) \
-       LTTNG_TRACEPOINT_EVENT(compat_syscall_exit_##_name, PARAMS(_proto), PARAMS(_args), \
-               PARAMS(_fields))
-#define SC_LTTNG_TRACEPOINT_EVENT_CODE(_name, _proto, _args, _locvar, _code_pre, _fields, _code_post) \
-       LTTNG_TRACEPOINT_EVENT_CODE(compat_syscall_exit_##_name, PARAMS(_proto), PARAMS(_args), \
-               PARAMS(_locvar), PARAMS(_code_pre), PARAMS(_fields), PARAMS(_code_post))
-#define SC_LTTNG_TRACEPOINT_EVENT_CLASS_NOARGS(_name, _fields) \
-       LTTNG_TRACEPOINT_EVENT_CLASS_NOARGS(compat_syscall_exit_##_name, PARAMS(_fields))
-#define SC_LTTNG_TRACEPOINT_EVENT_INSTANCE_NOARGS(_template, _name)            \
-       LTTNG_TRACEPOINT_EVENT_INSTANCE_NOARGS(compat_syscall_exit_##_template, \
-               compat_syscall_exit_##_name)
-/* Enumerations only defined at inital inclusion (not here). */
-#define SC_LTTNG_TRACEPOINT_ENUM(_name, _values)
-#define TRACE_SYSTEM compat_syscall_exit_integers
-#define TRACE_INCLUDE_FILE compat_syscalls_integers
-#include <instrumentation/syscalls/headers/compat_syscalls_integers.h>
-#undef TRACE_INCLUDE_FILE
-#undef TRACE_SYSTEM
-#define TRACE_SYSTEM compat_syscall_exit_pointers
-#define TRACE_INCLUDE_FILE compat_syscalls_pointers
-#include <instrumentation/syscalls/headers/compat_syscalls_pointers.h>
-#undef TRACE_INCLUDE_FILE
-#undef TRACE_SYSTEM
-#undef SC_LTTNG_TRACEPOINT_ENUM
-#undef SC_LTTNG_TRACEPOINT_EVENT_CODE
-#undef SC_LTTNG_TRACEPOINT_EVENT
-#undef SC_LTTNG_TRACEPOINT_EVENT_CLASS_NOARGS
-#undef SC_LTTNG_TRACEPOINT_EVENT_INSTANCE_NOARGS
 #undef TP_PROBE_CB
-#undef _TRACE_SYSCALLS_INTEGERS_H
-#undef _TRACE_SYSCALLS_POINTERS_H
-#undef LTTNG_SC_COMPAT
 
-#undef SC_EXIT
-
-#undef TP_MODULE_NOINIT
-#undef LTTNG_PACKAGE_BUILD
-#undef CREATE_TRACE_POINTS
-
-struct trace_syscall_entry {
-       void *event_func;
-       const struct lttng_kernel_event_desc *desc;
-       const struct lttng_kernel_event_field **fields;
-       unsigned int nrargs;
-};
-
-#define CREATE_SYSCALL_TABLE
-
-#define SC_ENTER
-
-#undef sc_exit
-#define sc_exit(...)
-
-#undef TRACE_SYSCALL_TABLE
-#define TRACE_SYSCALL_TABLE(_template, _name, _nr, _nrargs)    \
-       [ _nr ] = {                                             \
-               .event_func = __event_probe__syscall_entry_##_template, \
-               .nrargs = (_nrargs),                            \
-               .fields = __event_fields___syscall_entry_##_template, \
-               .desc = &__event_desc___syscall_entry_##_name,  \
-       },
-
-/* Event syscall enter tracing table */
-static const struct trace_syscall_entry sc_table[] = {
-#include <instrumentation/syscalls/headers/syscalls_integers.h>
-#include <instrumentation/syscalls/headers/syscalls_pointers.h>
-};
-
-#undef TRACE_SYSCALL_TABLE
-#define TRACE_SYSCALL_TABLE(_template, _name, _nr, _nrargs)    \
-       [ _nr ] = {                                             \
-               .event_func = __event_probe__compat_syscall_entry_##_template, \
-               .nrargs = (_nrargs),                            \
-               .fields = __event_fields___compat_syscall_entry_##_template, \
-               .desc = &__event_desc___compat_syscall_entry_##_name, \
-       },
-
-/* Event compat syscall enter table */
-const struct trace_syscall_entry compat_sc_table[] = {
-#include <instrumentation/syscalls/headers/compat_syscalls_integers.h>
-#include <instrumentation/syscalls/headers/compat_syscalls_pointers.h>
-};
-
-#undef SC_ENTER
-
-#define SC_EXIT
-
-#undef sc_exit
-#define sc_exit(...)           __VA_ARGS__
-
-#undef TRACE_SYSCALL_TABLE
-#define TRACE_SYSCALL_TABLE(_template, _name, _nr, _nrargs)    \
-       [ _nr ] = {                                             \
-               .event_func = __event_probe__syscall_exit_##_template, \
-               .nrargs = (_nrargs),                            \
-               .fields = __event_fields___syscall_exit_##_template, \
-               .desc = &__event_desc___syscall_exit_##_name, \
-       },
+extern const struct trace_syscall_table sc_table;
+extern const struct trace_syscall_table compat_sc_table;
 
 /* Event syscall exit table */
-static const struct trace_syscall_entry sc_exit_table[] = {
-#include <instrumentation/syscalls/headers/syscalls_integers.h>
-#include <instrumentation/syscalls/headers/syscalls_pointers.h>
-};
+extern const struct trace_syscall_table sc_exit_table;
+extern const struct trace_syscall_table compat_sc_exit_table;
 
-#undef TRACE_SYSCALL_TABLE
-#define TRACE_SYSCALL_TABLE(_template, _name, _nr, _nrargs)    \
-       [ _nr ] = {                                             \
-               .event_func = __event_probe__compat_syscall_exit_##_template, \
-               .nrargs = (_nrargs),                            \
-               .fields = __event_fields___compat_syscall_exit_##_template, \
-               .desc = &__event_desc___compat_syscall_exit_##_name, \
-       },
-
-/* Event compat syscall exit table */
-const struct trace_syscall_entry compat_sc_exit_table[] = {
-#include <instrumentation/syscalls/headers/compat_syscalls_integers.h>
-#include <instrumentation/syscalls/headers/compat_syscalls_pointers.h>
-};
 
 #undef SC_EXIT
 
@@ -515,8 +269,8 @@ void syscall_entry_event_probe(void *__data, struct pt_regs *regs, long id)
                        /* System call filtered out. */
                        return;
                }
-               table = compat_sc_table;
-               table_len = ARRAY_SIZE(compat_sc_table);
+               table = compat_sc_table.table;
+               table_len = compat_sc_table.len;
                unknown_action_list = &chan->sc_compat_unknown;
        } else {
                struct lttng_syscall_filter *filter = chan->sc_filter;
@@ -526,8 +280,8 @@ void syscall_entry_event_probe(void *__data, struct pt_regs *regs, long id)
                        /* System call filtered out. */
                        return;
                }
-               table = sc_table;
-               table_len = ARRAY_SIZE(sc_table);
+               table = sc_table.table;
+               table_len = sc_table.len;
                unknown_action_list = &chan->sc_unknown;
        }
        if (unlikely(id < 0 || id >= table_len)) {
@@ -569,8 +323,8 @@ void syscall_entry_event_notifier_probe(void *__data, struct pt_regs *regs,
                        /* System call filtered out. */
                        return;
                }
-               table = compat_sc_table;
-               table_len = ARRAY_SIZE(compat_sc_table);
+               table = compat_sc_table.table;
+               table_len = compat_sc_table.len;
                unknown_dispatch_list = &group->event_notifier_compat_unknown_syscall_dispatch;
        } else {
                struct lttng_syscall_filter *filter = group->sc_filter;
@@ -581,8 +335,8 @@ void syscall_entry_event_notifier_probe(void *__data, struct pt_regs *regs,
                        /* System call filtered out. */
                        return;
                }
-               table = sc_table;
-               table_len = ARRAY_SIZE(sc_table);
+               table = sc_table.table;
+               table_len = sc_table.len;
                unknown_dispatch_list = &group->event_notifier_unknown_syscall_dispatch;
        }
        /* Check if the syscall id is out of bound. */
@@ -754,8 +508,8 @@ void syscall_exit_event_probe(void *__data, struct pt_regs *regs, long ret)
                        /* System call filtered out. */
                        return;
                }
-               table = compat_sc_exit_table;
-               table_len = ARRAY_SIZE(compat_sc_exit_table);
+               table = compat_sc_exit_table.table;
+               table_len = compat_sc_exit_table.len;
                unknown_action_list = &chan->compat_sc_exit_unknown;
        } else {
                struct lttng_syscall_filter *filter = chan->sc_filter;
@@ -765,8 +519,8 @@ void syscall_exit_event_probe(void *__data, struct pt_regs *regs, long ret)
                        /* System call filtered out. */
                        return;
                }
-               table = sc_exit_table;
-               table_len = ARRAY_SIZE(sc_exit_table);
+               table = sc_exit_table.table;
+               table_len = sc_exit_table.len;
                unknown_action_list = &chan->sc_exit_unknown;
        }
        if (unlikely(id < 0 || id >= table_len)) {
@@ -792,7 +546,6 @@ void syscall_exit_event_probe(void *__data, struct pt_regs *regs, long ret)
                               regs, ret);
 }
 
-static
 void syscall_exit_event_notifier_probe(void *__data, struct pt_regs *regs,
                long ret)
 {
@@ -813,8 +566,8 @@ void syscall_exit_event_notifier_probe(void *__data, struct pt_regs *regs,
                        /* System call filtered out. */
                        return;
                }
-               table = compat_sc_exit_table;
-               table_len = ARRAY_SIZE(compat_sc_exit_table);
+               table = compat_sc_exit_table.table;
+               table_len = compat_sc_exit_table.len;
                unknown_dispatch_list = &group->event_notifier_exit_compat_unknown_syscall_dispatch;
        } else {
                struct lttng_syscall_filter *filter = group->sc_filter;
@@ -825,8 +578,8 @@ void syscall_exit_event_notifier_probe(void *__data, struct pt_regs *regs,
                        /* System call filtered out. */
                        return;
                }
-               table = sc_exit_table;
-               table_len = ARRAY_SIZE(sc_exit_table);
+               table = sc_exit_table.table;
+               table_len = sc_exit_table.len;
                unknown_dispatch_list = &group->event_notifier_exit_unknown_syscall_dispatch;
        }
        /* Check if the syscall id is out of bound. */
@@ -864,7 +617,7 @@ int lttng_create_syscall_event_if_missing(const struct trace_syscall_entry *tabl
        enum sc_type type)
 {
        struct lttng_channel *chan = event_enabler->chan;
-       struct lttng_session *session = chan->session;
+       struct lttng_kernel_session *session = chan->session;
        unsigned int i;
 
        /* Allocate events for each syscall matching enabler, insert into table */
@@ -887,7 +640,7 @@ int lttng_create_syscall_event_if_missing(const struct trace_syscall_entry *tabl
                 * Check if already created.
                 */
                head = utils_borrow_hash_table_bucket(
-                       session->events_ht.table, LTTNG_EVENT_HT_SIZE,
+                       session->priv->events_ht.table, LTTNG_EVENT_HT_SIZE,
                        desc->event_name);
                lttng_hlist_for_each_entry(event_recorder_priv, head, hlist) {
                        if (event_recorder_priv->parent.desc == desc
@@ -950,14 +703,14 @@ int lttng_syscalls_register_event(struct lttng_event_enabler *event_enabler)
        if (!chan->sc_table) {
                /* create syscall table mapping syscall to events */
                chan->sc_table = kzalloc(sizeof(struct lttng_kernel_event_recorder *)
-                                       * ARRAY_SIZE(sc_table), GFP_KERNEL);
+                                       * sc_table.len, GFP_KERNEL);
                if (!chan->sc_table)
                        return -ENOMEM;
        }
        if (!chan->sc_exit_table) {
                /* create syscall table mapping syscall to events */
                chan->sc_exit_table = kzalloc(sizeof(struct lttng_kernel_event_recorder *)
-                                       * ARRAY_SIZE(sc_exit_table), GFP_KERNEL);
+                                       * sc_exit_table.len, GFP_KERNEL);
                if (!chan->sc_exit_table)
                        return -ENOMEM;
        }
@@ -967,7 +720,7 @@ int lttng_syscalls_register_event(struct lttng_event_enabler *event_enabler)
        if (!chan->compat_sc_table) {
                /* create syscall table mapping compat syscall to events */
                chan->compat_sc_table = kzalloc(sizeof(struct lttng_kernel_event_recorder *)
-                                       * ARRAY_SIZE(compat_sc_table), GFP_KERNEL);
+                                       * compat_sc_table.len, GFP_KERNEL);
                if (!chan->compat_sc_table)
                        return -ENOMEM;
        }
@@ -975,7 +728,7 @@ int lttng_syscalls_register_event(struct lttng_event_enabler *event_enabler)
        if (!chan->compat_sc_exit_table) {
                /* create syscall table mapping compat syscall to events */
                chan->compat_sc_exit_table = kzalloc(sizeof(struct lttng_kernel_event_recorder *)
-                                       * ARRAY_SIZE(compat_sc_exit_table), GFP_KERNEL);
+                                       * compat_sc_exit_table.len, GFP_KERNEL);
                if (!chan->compat_sc_exit_table)
                        return -ENOMEM;
        }
@@ -1060,21 +813,21 @@ int lttng_syscalls_register_event(struct lttng_event_enabler *event_enabler)
                hlist_add_head(&event_recorder->priv->parent.u.syscall.node, &chan->sc_exit_unknown);
        }
 
-       ret = lttng_create_syscall_event_if_missing(sc_table, ARRAY_SIZE(sc_table),
+       ret = lttng_create_syscall_event_if_missing(sc_table.table, sc_table.len,
                        chan->sc_table, event_enabler, SC_TYPE_ENTRY);
        if (ret)
                return ret;
-       ret = lttng_create_syscall_event_if_missing(sc_exit_table, ARRAY_SIZE(sc_exit_table),
+       ret = lttng_create_syscall_event_if_missing(sc_exit_table.table, sc_exit_table.len,
                        chan->sc_exit_table, event_enabler, SC_TYPE_EXIT);
        if (ret)
                return ret;
 
 #ifdef CONFIG_COMPAT
-       ret = lttng_create_syscall_event_if_missing(compat_sc_table, ARRAY_SIZE(compat_sc_table),
+       ret = lttng_create_syscall_event_if_missing(compat_sc_table.table, compat_sc_table.len,
                        chan->compat_sc_table, event_enabler, SC_TYPE_COMPAT_ENTRY);
        if (ret)
                return ret;
-       ret = lttng_create_syscall_event_if_missing(compat_sc_exit_table, ARRAY_SIZE(compat_sc_exit_table),
+       ret = lttng_create_syscall_event_if_missing(compat_sc_exit_table.table, compat_sc_exit_table.len,
                        chan->compat_sc_exit_table, event_enabler, SC_TYPE_COMPAT_EXIT);
        if (ret)
                return ret;
@@ -1125,13 +878,13 @@ int lttng_syscalls_register_event_notifier(
 
        if (!group->event_notifier_syscall_dispatch) {
                group->event_notifier_syscall_dispatch =
-                               kzalloc(sizeof(struct hlist_head) * ARRAY_SIZE(sc_table),
+                               kzalloc(sizeof(struct hlist_head) * sc_table.len,
                                        GFP_KERNEL);
                if (!group->event_notifier_syscall_dispatch)
                        return -ENOMEM;
 
                /* Initialize all list_head */
-               for (i = 0; i < ARRAY_SIZE(sc_table); i++)
+               for (i = 0; i < sc_table.len; i++)
                        INIT_HLIST_HEAD(&group->event_notifier_syscall_dispatch[i]);
 
                /* Init the unknown syscall notifier list. */
@@ -1140,13 +893,13 @@ int lttng_syscalls_register_event_notifier(
 
        if (!group->event_notifier_exit_syscall_dispatch) {
                group->event_notifier_exit_syscall_dispatch =
-                               kzalloc(sizeof(struct hlist_head) * ARRAY_SIZE(sc_table),
+                               kzalloc(sizeof(struct hlist_head) * sc_table.len,
                                        GFP_KERNEL);
                if (!group->event_notifier_exit_syscall_dispatch)
                        return -ENOMEM;
 
                /* Initialize all list_head */
-               for (i = 0; i < ARRAY_SIZE(sc_table); i++)
+               for (i = 0; i < sc_table.len; i++)
                        INIT_HLIST_HEAD(&group->event_notifier_exit_syscall_dispatch[i]);
 
                /* Init the unknown exit syscall notifier list. */
@@ -1156,13 +909,13 @@ int lttng_syscalls_register_event_notifier(
 #ifdef CONFIG_COMPAT
        if (!group->event_notifier_compat_syscall_dispatch) {
                group->event_notifier_compat_syscall_dispatch =
-                               kzalloc(sizeof(struct hlist_head) * ARRAY_SIZE(compat_sc_table),
+                               kzalloc(sizeof(struct hlist_head) * compat_sc_table.len,
                                        GFP_KERNEL);
                if (!group->event_notifier_syscall_dispatch)
                        return -ENOMEM;
 
                /* Initialize all list_head */
-               for (i = 0; i < ARRAY_SIZE(compat_sc_table); i++)
+               for (i = 0; i < compat_sc_table.len; i++)
                        INIT_HLIST_HEAD(&group->event_notifier_compat_syscall_dispatch[i]);
 
                /* Init the unknown syscall notifier list. */
@@ -1171,13 +924,13 @@ int lttng_syscalls_register_event_notifier(
 
        if (!group->event_notifier_exit_compat_syscall_dispatch) {
                group->event_notifier_exit_compat_syscall_dispatch =
-                               kzalloc(sizeof(struct hlist_head) * ARRAY_SIZE(compat_sc_exit_table),
+                               kzalloc(sizeof(struct hlist_head) * compat_sc_exit_table.len,
                                        GFP_KERNEL);
                if (!group->event_notifier_exit_syscall_dispatch)
                        return -ENOMEM;
 
                /* Initialize all list_head */
-               for (i = 0; i < ARRAY_SIZE(compat_sc_exit_table); i++)
+               for (i = 0; i < compat_sc_exit_table.len; i++)
                        INIT_HLIST_HEAD(&group->event_notifier_exit_compat_syscall_dispatch[i]);
 
                /* Init the unknown exit syscall notifier list. */
@@ -1399,12 +1152,12 @@ int lttng_syscalls_create_matching_event_notifiers(
 
        if (entryexit == LTTNG_KERNEL_ABI_SYSCALL_ENTRY || entryexit == LTTNG_KERNEL_ABI_SYSCALL_ENTRYEXIT) {
                ret = create_matching_event_notifiers(event_notifier_enabler,
-                       sc_table, ARRAY_SIZE(sc_table), SC_TYPE_ENTRY);
+                       sc_table.table, sc_table.len, SC_TYPE_ENTRY);
                if (ret)
                        goto end;
 
                ret = create_matching_event_notifiers(event_notifier_enabler,
-                       compat_sc_table, ARRAY_SIZE(compat_sc_table),
+                       compat_sc_table.table, compat_sc_table.len,
                        SC_TYPE_COMPAT_ENTRY);
                if (ret)
                        goto end;
@@ -1422,7 +1175,7 @@ int lttng_syscalls_create_matching_event_notifiers(
 
        if (entryexit == LTTNG_KERNEL_ABI_SYSCALL_EXIT || entryexit == LTTNG_KERNEL_ABI_SYSCALL_ENTRYEXIT) {
                ret = create_matching_event_notifiers(event_notifier_enabler,
-                       sc_exit_table, ARRAY_SIZE(sc_exit_table),
+                       sc_exit_table.table, sc_exit_table.len,
                        SC_TYPE_EXIT);
                if (ret)
                        goto end;
@@ -1433,7 +1186,7 @@ int lttng_syscalls_create_matching_event_notifiers(
                        goto end;
 
                ret = create_matching_event_notifiers(event_notifier_enabler,
-                       compat_sc_exit_table, ARRAY_SIZE(compat_sc_exit_table),
+                       compat_sc_exit_table.table, compat_sc_exit_table.len,
                        SC_TYPE_COMPAT_EXIT);
                if (ret)
                        goto end;
@@ -1526,11 +1279,11 @@ int get_syscall_nr(const char *syscall_name)
        int syscall_nr = -1;
        int i;
 
-       for (i = 0; i < ARRAY_SIZE(sc_table); i++) {
+       for (i = 0; i < sc_table.len; i++) {
                const struct trace_syscall_entry *entry;
                const char *it_name;
 
-               entry = &sc_table[i];
+               entry = &sc_table.table[i];
                if (!entry->desc)
                        continue;
                it_name = entry->desc->event_name;
@@ -1549,11 +1302,11 @@ int get_compat_syscall_nr(const char *syscall_name)
        int syscall_nr = -1;
        int i;
 
-       for (i = 0; i < ARRAY_SIZE(compat_sc_table); i++) {
+       for (i = 0; i < compat_sc_table.len; i++) {
                const struct trace_syscall_entry *entry;
                const char *it_name;
 
-               entry = &compat_sc_table[i];
+               entry = &compat_sc_table.table[i];
                if (!entry->desc)
                        continue;
                it_name = entry->desc->event_name;
@@ -1569,7 +1322,7 @@ int get_compat_syscall_nr(const char *syscall_name)
 static
 uint32_t get_sc_tables_len(void)
 {
-       return ARRAY_SIZE(sc_table) + ARRAY_SIZE(compat_sc_table);
+       return sc_table.len + compat_sc_table.len;
 }
 
 static
@@ -1827,14 +1580,14 @@ const struct trace_syscall_entry *syscall_list_get_entry(loff_t *pos)
        const struct trace_syscall_entry *entry;
        int iter = 0;
 
-       for (entry = sc_table;
-                       entry < sc_table + ARRAY_SIZE(sc_table);
+       for (entry = sc_table.table;
+                       entry < sc_table.table + sc_table.len;
                         entry++) {
                if (iter++ >= *pos)
                        return entry;
        }
-       for (entry = compat_sc_table;
-                       entry < compat_sc_table + ARRAY_SIZE(compat_sc_table);
+       for (entry = compat_sc_table.table;
+                       entry < compat_sc_table.table + compat_sc_table.len;
                         entry++) {
                if (iter++ >= *pos)
                        return entry;
@@ -1866,21 +1619,21 @@ int get_sc_table(const struct trace_syscall_entry *entry,
                const struct trace_syscall_entry **table,
                unsigned int *bitness)
 {
-       if (entry >= sc_table && entry < sc_table + ARRAY_SIZE(sc_table)) {
+       if (entry >= sc_table.table && entry < sc_table.table + sc_table.len) {
                if (bitness)
                        *bitness = BITS_PER_LONG;
                if (table)
-                       *table = sc_table;
+                       *table = sc_table.table;
                return 0;
        }
-       if (!(entry >= compat_sc_table
-                       && entry < compat_sc_table + ARRAY_SIZE(compat_sc_table))) {
+       if (!(entry >= compat_sc_table.table
+                       && entry < compat_sc_table.table + compat_sc_table.len)) {
                return -EINVAL;
        }
        if (bitness)
                *bitness = 32;
        if (table)
-               *table = compat_sc_table;
+               *table = compat_sc_table.table;
        return 0;
 }
 
@@ -1898,11 +1651,11 @@ int syscall_list_show(struct seq_file *m, void *p)
                return ret;
        if (!entry->desc)
                return 0;
-       if (table == sc_table) {
+       if (table == sc_table.table) {
                index = entry - table;
                name = &entry->desc->event_name[strlen(SYSCALL_ENTRY_STR)];
        } else {
-               index = (entry - table) + ARRAY_SIZE(sc_table);
+               index = (entry - table) + sc_table.len;
                name = &entry->desc->event_name[strlen(COMPAT_SYSCALL_ENTRY_STR)];
        }
        seq_printf(m,   "syscall { index = %lu; name = %s; bitness = %u; };\n",
@@ -1957,7 +1710,7 @@ long lttng_channel_syscall_mask(struct lttng_channel *channel,
                return -ENOMEM;
        filter = channel->sc_filter;
 
-       for (bit = 0; bit < ARRAY_SIZE(sc_table); bit++) {
+       for (bit = 0; bit < sc_table.len; bit++) {
                char state;
 
                if (channel->sc_table) {
@@ -1978,9 +1731,9 @@ long lttng_channel_syscall_mask(struct lttng_channel *channel,
                if (channel->compat_sc_table) {
                        if (!(READ_ONCE(channel->syscall_all_entry)
                                        || READ_ONCE(channel->syscall_all_exit)) && filter)
-                               state = test_bit(bit - ARRAY_SIZE(sc_table),
+                               state = test_bit(bit - sc_table.len,
                                                filter->sc_compat_entry)
-                                       || test_bit(bit - ARRAY_SIZE(sc_table),
+                                       || test_bit(bit - sc_table.len,
                                                filter->sc_compat_exit);
                        else
                                state = 1;
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