/*
* Should be called with sessions lock held.
*/
-int lttng_syscalls_register_event(struct lttng_event_recorder_enabler *syscall_event_enabler)
+int lttng_syscalls_register_event_recorder(struct lttng_event_recorder_enabler *syscall_event_enabler)
{
struct lttng_kernel_syscall_table *syscall_table = get_syscall_table_from_enabler(&syscall_event_enabler->parent);
struct lttng_kernel_abi_event ev;
return ret;
}
-/*
- * Unregister the syscall event_notifier probes from the callsites.
- */
-int lttng_syscalls_unregister_event_notifier_group(
- struct lttng_event_notifier_group *event_notifier_group)
+int lttng_syscalls_unregister_syscall_table(struct lttng_kernel_syscall_table *syscall_table)
{
- struct lttng_kernel_syscall_table *syscall_table = &event_notifier_group->syscall_table;
- int ret;
-
- /*
- * Only register the event_notifier probe on the `sys_enter` callsite for now.
- * At the moment, we don't think it's desirable to have one fired
- * event_notifier for the entry and one for the exit of a syscall.
- */
- if (syscall_table->sys_enter_registered) {
- ret = lttng_wrapper_tracepoint_probe_unregister("sys_enter",
- (void *) syscall_entry_event_probe, syscall_table);
- if (ret)
- return ret;
- syscall_table->sys_enter_registered = 0;
- }
- if (syscall_table->sys_exit_registered) {
- ret = lttng_wrapper_tracepoint_probe_unregister("sys_exit",
- (void *) syscall_exit_event_probe, syscall_table);
- if (ret)
- return ret;
- syscall_table->sys_enter_registered = 0;
- }
-
- kfree(syscall_table->syscall_dispatch);
- kfree(syscall_table->syscall_exit_dispatch);
-#ifdef CONFIG_COMPAT
- kfree(syscall_table->compat_syscall_dispatch);
- kfree(syscall_table->compat_syscall_exit_dispatch);
-#endif
- return 0;
-}
-
-int lttng_syscalls_unregister_channel(struct lttng_kernel_channel_buffer *chan)
-{
- struct lttng_kernel_syscall_table *syscall_table = &chan->priv->parent.syscall_table;
int ret;
if (!syscall_table->syscall_dispatch)
return 0;
}
-int lttng_syscalls_destroy_event(struct lttng_kernel_channel_buffer *chan)
+int lttng_syscalls_destroy_syscall_table(struct lttng_kernel_syscall_table *syscall_table)
{
- struct lttng_kernel_syscall_table *syscall_table = &chan->priv->parent.syscall_table;
-
kfree(syscall_table->syscall_dispatch);
kfree(syscall_table->syscall_exit_dispatch);
#ifdef CONFIG_COMPAT
return 0;
}
-int lttng_syscall_filter_enable_event_notifier(
- struct lttng_kernel_event_notifier *event_notifier)
+int lttng_syscall_filter_enable_event_notifier(struct lttng_kernel_event_notifier *event_notifier)
{
struct lttng_event_notifier_group *group = event_notifier->priv->group;
struct lttng_kernel_syscall_table *syscall_table = &group->syscall_table;
return ret ;
}
-int lttng_syscall_filter_enable_event(
- struct lttng_kernel_channel_buffer *channel,
- struct lttng_kernel_event_recorder *event_recorder)
+int lttng_syscall_filter_enable_event_recorder(struct lttng_kernel_event_recorder *event_recorder)
{
+ struct lttng_kernel_channel_buffer *channel = event_recorder->chan;
struct lttng_kernel_syscall_table *syscall_table = &channel->priv->parent.syscall_table;
WARN_ON_ONCE(event_recorder->priv->parent.instrumentation != LTTNG_KERNEL_ABI_SYSCALL);
}
static
-int lttng_syscall_filter_disable(
- struct lttng_syscall_filter *filter,
+int lttng_syscall_filter_disable(struct lttng_syscall_filter *filter,
const char *desc_name, enum lttng_syscall_abi abi,
enum lttng_syscall_entryexit entryexit)
{
return 0;
}
-int lttng_syscall_filter_disable_event_notifier(
- struct lttng_kernel_event_notifier *event_notifier)
+int lttng_syscall_filter_disable_event_notifier(struct lttng_kernel_event_notifier *event_notifier)
{
struct lttng_event_notifier_group *group = event_notifier->priv->group;
struct lttng_kernel_syscall_table *syscall_table = &group->syscall_table;
return 0;
}
-int lttng_syscall_filter_disable_event(
- struct lttng_kernel_channel_buffer *channel,
- struct lttng_kernel_event_recorder *event_recorder)
+int lttng_syscall_filter_disable_event_recorder(struct lttng_kernel_event_recorder *event_recorder)
{
+ struct lttng_kernel_channel_buffer *channel = event_recorder->chan;
struct lttng_kernel_syscall_table *syscall_table = &channel->priv->parent.syscall_table;
return lttng_syscall_filter_disable(syscall_table->sc_filter,