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bytecode: generalize `struct lttng_filter_bytecode_node`
[lttng-modules.git]
/
include
/
lttng
/
events.h
diff --git
a/include/lttng/events.h
b/include/lttng/events.h
index 6125f08bc1d63a90c26cdfe446e7f6470abc7b04..517d689b049f05d679fa4a205da31d2b20cb1e10 100644
(file)
--- a/
include/lttng/events.h
+++ b/
include/lttng/events.h
@@
-232,14
+232,20
@@
enum lttng_event_type {
LTTNG_TYPE_ENABLER = 1,
};
LTTNG_TYPE_ENABLER = 1,
};
-struct lttng_filter_bytecode_node {
+enum lttng_bytecode_node_type {
+ LTTNG_BYTECODE_NODE_TYPE_FILTER,
+};
+
+struct lttng_bytecode_node {
+ enum lttng_bytecode_node_type type;
struct list_head node;
struct lttng_enabler *enabler;
struct list_head node;
struct lttng_enabler *enabler;
- /*
- * struct lttng_kernel_filter_bytecode has var. sized array, must be
- * last field.
- */
- struct lttng_kernel_filter_bytecode bc;
+ struct {
+ uint32_t len;
+ uint32_t reloc_offset;
+ uint64_t seqnum;
+ char data[];
+ } bc;
};
/*
};
/*
@@
-253,8
+259,9
@@
enum lttng_filter_ret {
struct lttng_bytecode_runtime {
/* Associated bytecode */
struct lttng_bytecode_runtime {
/* Associated bytecode */
- struct lttng_filter_bytecode_node *bc;
- uint64_t (*filter)(void *filter_data, struct lttng_probe_ctx *lttng_probe_ctx,
+ struct lttng_bytecode_node *bc;
+ uint64_t (*filter)(void *filter_data,
+ struct lttng_probe_ctx *lttng_probe_ctx,
const char *filter_stack_data);
int link_failed;
struct list_head node; /* list of bytecode runtime in event */
const char *filter_stack_data);
int link_failed;
struct list_head node; /* list of bytecode runtime in event */
@@
-332,7
+339,7
@@
struct lttng_event {
struct hlist_node hlist; /* session ht of events */
int registered; /* has reg'd tracepoint probe */
/* list of struct lttng_bytecode_runtime, sorted by seqnum */
struct hlist_node hlist; /* session ht of events */
int registered; /* has reg'd tracepoint probe */
/* list of struct lttng_bytecode_runtime, sorted by seqnum */
- struct list_head bytecode_runtime_head;
+ struct list_head
filter_
bytecode_runtime_head;
int has_enablers_without_bytecode;
};
int has_enablers_without_bytecode;
};
@@
-363,7
+370,7
@@
struct lttng_event_notifier {
struct list_head enablers_ref_head;
struct hlist_node hlist; /* session ht of event_notifiers */
/* list of struct lttng_bytecode_runtime, sorted by seqnum */
struct list_head enablers_ref_head;
struct hlist_node hlist; /* session ht of event_notifiers */
/* list of struct lttng_bytecode_runtime, sorted by seqnum */
- struct list_head bytecode_runtime_head;
+ struct list_head
filter_
bytecode_runtime_head;
int has_enablers_without_bytecode;
void (*send_notification)(struct lttng_event_notifier *event_notifier);
int has_enablers_without_bytecode;
void (*send_notification)(struct lttng_event_notifier *event_notifier);
@@
-887,9
+894,9
@@
static inline int lttng_syscall_filter_disable_event_notifier(
#endif
void lttng_filter_sync_state(struct lttng_bytecode_runtime *runtime);
#endif
void lttng_filter_sync_state(struct lttng_bytecode_runtime *runtime);
-int lttng_event_enabler_attach_bytecode(struct lttng_event_enabler *event_enabler,
+int lttng_event_enabler_attach_
filter_
bytecode(struct lttng_event_enabler *event_enabler,
struct lttng_kernel_filter_bytecode __user *bytecode);
struct lttng_kernel_filter_bytecode __user *bytecode);
-int lttng_event_notifier_enabler_attach_bytecode(
+int lttng_event_notifier_enabler_attach_
filter_
bytecode(
struct lttng_event_notifier_enabler *event_notifier_enabler,
struct lttng_kernel_filter_bytecode __user *bytecode);
struct lttng_event_notifier_enabler *event_notifier_enabler,
struct lttng_kernel_filter_bytecode __user *bytecode);
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