X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=include%2Flttng%2Fkernel-probe-internal.hpp;fp=include%2Flttng%2Fkernel-probe-internal.hpp;h=07c546f9d3d0d66d1ec4f83ee42a75bbc8f0bd5e;hb=c9e313bc594f40a86eed237dce222c0fc99c957f;hp=0000000000000000000000000000000000000000;hpb=4878de5c7deb512bbdac4fdfc498907efa06fb7c;p=lttng-tools.git

diff --git a/include/lttng/kernel-probe-internal.hpp b/include/lttng/kernel-probe-internal.hpp
new file mode 100644
index 000000000..07c546f9d
--- /dev/null
+++ b/include/lttng/kernel-probe-internal.hpp
@@ -0,0 +1,111 @@
+/*
+ * Copyright (C) 2020 Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
+ *
+ * SPDX-License-Identifier: LGPL-2.1-only
+ *
+ */
+
+#ifndef LTTNG_KERNEL_PROBE_INTERNAL_H
+#define LTTNG_KERNEL_PROBE_INTERNAL_H
+
+#include <common/fd-handle.hpp>
+#include <common/macros.hpp>
+#include <lttng/lttng-error.h>
+#include <lttng/kernel-probe.h>
+#include <lttng/lttng-error.h>
+#include <stdbool.h>
+#include <stdint.h>
+#include <sys/types.h>
+
+struct lttng_payload;
+struct lttng_payload_view;
+struct lttng_dynamic_buffer;
+struct mi_writer;
+
+typedef bool (*kernel_probe_location_equal_cb)(
+		const struct lttng_kernel_probe_location *a,
+		const struct lttng_kernel_probe_location *b);
+typedef int (*kernel_probe_location_serialize_cb)(
+		const struct lttng_kernel_probe_location *kernel_probe_location,
+		struct lttng_payload *payload);
+typedef bool (*kernel_probe_location_equal_cb)(
+		const struct lttng_kernel_probe_location *a,
+		const struct lttng_kernel_probe_location *b);
+typedef ssize_t (*kernel_probe_location_create_from_payload_cb)(
+		struct lttng_payload_view *view,
+		struct lttng_kernel_probe_location **kernel_probe_location);
+typedef unsigned long (*kernel_probe_location_hash_cb)(
+		const struct lttng_kernel_probe_location *location);
+typedef enum lttng_error_code (*kernel_probe_location_mi_serialize_cb)(
+		const struct lttng_kernel_probe_location *location,
+		struct mi_writer *writer);
+
+struct lttng_kernel_probe_location_comm {
+	/* enum lttng_kernel_probe_location_type */
+	int8_t type;
+	/*
+	 * Payload is composed of, in that order,
+	 *   - type-specific payload
+	 */
+	char payload[];
+} LTTNG_PACKED;
+
+struct lttng_kernel_probe_location_symbol_comm {
+	/* Includes the trailing \0. */
+	uint32_t symbol_len;
+	/* The offset from the symbol. */
+	uint64_t offset;
+	/*
+	 * Payload is composed of, in that order,
+	 *   - symbol name (with trailing \0).
+	 */
+	char payload[];
+} LTTNG_PACKED;
+
+struct lttng_kernel_probe_location_address_comm {
+	uint64_t address;
+} LTTNG_PACKED;
+
+/* Common ancestor of all kernel probe locations. */
+struct lttng_kernel_probe_location {
+	enum lttng_kernel_probe_location_type type;
+	kernel_probe_location_equal_cb equal;
+	kernel_probe_location_serialize_cb serialize;
+	kernel_probe_location_hash_cb hash;
+	kernel_probe_location_mi_serialize_cb mi_serialize;
+};
+
+struct lttng_kernel_probe_location_symbol {
+	struct lttng_kernel_probe_location parent;
+	char *symbol_name;
+	uint64_t offset;
+};
+
+struct lttng_kernel_probe_location_address {
+	struct lttng_kernel_probe_location parent;
+	uint64_t address;
+};
+
+int lttng_kernel_probe_location_serialize(
+		const struct lttng_kernel_probe_location *location,
+		struct lttng_payload *payload);
+
+ssize_t lttng_kernel_probe_location_create_from_payload(
+		struct lttng_payload_view *view,
+		struct lttng_kernel_probe_location **probe_location);
+
+bool lttng_kernel_probe_location_is_equal(
+		const struct lttng_kernel_probe_location *a,
+		const struct lttng_kernel_probe_location *b);
+
+struct lttng_kernel_probe_location *lttng_kernel_probe_location_copy(
+		const struct lttng_kernel_probe_location *location);
+
+unsigned long lttng_kernel_probe_location_hash(
+		const struct lttng_kernel_probe_location *location);
+
+enum lttng_error_code lttng_kernel_probe_location_mi_serialize(
+		const struct lttng_kernel_probe_location *location,
+		struct mi_writer *writer);
+
+#endif /* LTTNG_KERNEL_PROBE_INTERNAL_H */