X-Git-Url: http://git.efficios.com/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fcommon%2Fevent-rule-kretprobe.c;fp=src%2Fcommon%2Fevent-rule-kretprobe.c;h=56916d9c9548e43e4191349cd5f5d240d0da09de;hp=0000000000000000000000000000000000000000;hb=1831ae68b70dece8e9b847081526495adbbf05e5;hpb=25357057de5ae4dd2a572e8f9b893c1b90cbd60a

diff --git a/src/common/event-rule-kretprobe.c b/src/common/event-rule-kretprobe.c
new file mode 100644
index 000000000..56916d9c9
--- /dev/null
+++ b/src/common/event-rule-kretprobe.c
@@ -0,0 +1,164 @@
+/*
+ * Copyright (C) 2019 - Jonathan Rajotte-Julien <jonathan.rajotte-julien@efficios.com>
+ *
+ * This library is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License, version 2.1 only,
+ * as published by the Free Software Foundation.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <lttng/event-rule/event-rule-internal.h>
+#include <lttng/event-rule/kretprobe-internal.h>
+#include <common/macros.h>
+#include <common/error.h>
+#include <common/runas.h>
+#include <assert.h>
+
+#define IS_KRETPROBE_EVENT_RULE(rule) ( \
+	lttng_event_rule_get_type(rule) == LTTNG_EVENT_RULE_TYPE_KRETPROBE \
+	)
+
+static
+void lttng_event_rule_kretprobe_destroy(struct lttng_event_rule *rule)
+{
+	struct lttng_event_rule_kretprobe *kretprobe;
+
+	kretprobe = container_of(rule, struct lttng_event_rule_kretprobe,
+			parent);
+
+	/*
+	 * TODO
+	 */
+	free(kretprobe);
+}
+
+static
+bool lttng_event_rule_kretprobe_validate(
+		const struct lttng_event_rule *rule)
+{
+	/* TODO */
+	return false;
+}
+
+static
+int lttng_event_rule_kretprobe_serialize(
+		const struct lttng_event_rule *rule,
+		struct lttng_dynamic_buffer *buf, int *fd_to_send)
+{
+	/* TODO */
+	return -1;
+}
+
+static
+bool lttng_event_rule_kretprobe_is_equal(const struct lttng_event_rule *_a,
+		const struct lttng_event_rule *_b)
+{
+	/* TODO */
+	return false;
+}
+
+static
+enum lttng_error_code lttng_event_rule_kretprobe_populate(struct lttng_event_rule *rule, uid_t uid, gid_t gid)
+{
+	/* Nothing to do */
+	return LTTNG_OK;
+}
+
+static const char *lttng_event_rule_kretprobe_get_filter(
+		const struct lttng_event_rule *rule)
+{
+	/* Not supported */
+	return NULL;
+}
+
+static const struct lttng_filter_bytecode *
+lttng_event_rule_kretprobe_get_filter_bytecode(
+		const struct lttng_event_rule *rule)
+{
+	/* Not supported */
+	return NULL;
+}
+
+static struct lttng_event_exclusion *
+lttng_event_rule_kretprobe_generate_exclusions(struct lttng_event_rule *rule)
+{
+	/* Not supported */
+	return NULL;
+}
+
+struct lttng_event_rule *lttng_event_rule_kretprobe_create()
+{
+	struct lttng_event_rule_kretprobe *rule;
+
+	rule = zmalloc(sizeof(struct lttng_event_rule_kretprobe));
+	if (!rule) {
+		return NULL;
+	}
+
+	lttng_event_rule_init(&rule->parent, LTTNG_EVENT_RULE_TYPE_KRETPROBE);
+	rule->parent.validate = lttng_event_rule_kretprobe_validate;
+	rule->parent.serialize = lttng_event_rule_kretprobe_serialize;
+	rule->parent.equal = lttng_event_rule_kretprobe_is_equal;
+	rule->parent.destroy = lttng_event_rule_kretprobe_destroy;
+	rule->parent.populate = lttng_event_rule_kretprobe_populate;
+	rule->parent.get_filter = lttng_event_rule_kretprobe_get_filter;
+	rule->parent.get_filter_bytecode = lttng_event_rule_kretprobe_get_filter_bytecode;
+	rule->parent.generate_exclusions = lttng_event_rule_kretprobe_generate_exclusions;
+	return &rule->parent;
+}
+
+LTTNG_HIDDEN
+ssize_t lttng_event_rule_kretprobe_create_from_buffer(
+		const struct lttng_buffer_view *view,
+		struct lttng_event_rule **_event_rule)
+{
+	/* TODO */
+	return -1;
+}
+
+enum lttng_event_rule_status lttng_event_rule_kretprobe_set_source(
+		struct lttng_event_rule *rule, const char *source)
+{
+	return LTTNG_EVENT_RULE_STATUS_UNSUPPORTED;
+}
+
+enum lttng_event_rule_status lttng_event_rule_kretprobe_set_name(
+		struct lttng_event_rule *rule, const char *name)
+{
+	return LTTNG_EVENT_RULE_STATUS_UNSUPPORTED;
+}
+
+enum lttng_event_rule_status lttng_event_rule_kretprobe_get_name(
+		const struct lttng_event_rule *rule, const char **name)
+{
+	return LTTNG_EVENT_RULE_STATUS_UNSUPPORTED;
+}
+
+LTTNG_HIDDEN
+uint64_t lttng_event_rule_kretprobe_get_address(
+		const struct lttng_event_rule *rule)
+{
+	assert("Not implemented" && 0);
+}
+
+LTTNG_HIDDEN
+uint64_t lttng_event_rule_kretprobe_get_offset(
+		const struct lttng_event_rule *rule)
+{
+	assert("Not implemented" && 0);
+}
+
+LTTNG_HIDDEN
+const char *lttng_event_rule_kretprobe_get_symbol_name(
+		const struct lttng_event_rule *rule)
+{
+	assert("Not implemented" && 0);
+}