lib: add libmsg* ipc protocol libraries

lib/libmsg-ld/CMakeLists.txt

@@ -0,0 +1,21 @@
+file(GLOB sources
+	${CMAKE_CURRENT_SOURCE_DIR}/*.c)
+file(GLOB headers
+	${CMAKE_CURRENT_SOURCE_DIR}/include/rosetta/msg/ld.h
+	${CMAKE_CURRENT_SOURCE_DIR}/*.h)
+
+set(public_include_dirs
+	${CMAKE_CURRENT_SOURCE_DIR}/include)
+
+rosetta_add_library(
+	NAME libmsg-ld STATIC
+	PUBLIC_INCLUDE_DIRS ${public_include_dirs}
+	SOURCES ${sources}
+	HEADERS ${headers})
+
+sysroot_add_library(
+	NAME libmsg-ld
+	HEADER_DIR /usr/include
+	LIB_DIR /usr/lib)
+
+target_link_libraries(libmsg-ld libmsg libmango)

lib/libmsg-ld/include/rosetta/msg/ld.h

@@ -0,0 +1,26 @@
+#ifndef ROSETTA_MSG_LD_H_
+#define ROSETTA_MSG_LD_H_
+
+#include <rosetta/msg.h>
+
+/* rosetta.msg.ld protocol ID */
+#define ROSETTA_MSG_LD            0x5563D896U
+
+/* rosetta.msg.ld.get-object message ID */
+#define ROSETTA_MSG_LD_GET_OBJECT 1
+
+struct rosetta_msg_ld_get_object {
+	struct rosetta_msg msg_base;
+	union {
+		struct {
+			uint16_t go_object_name;
+		} msg_request;
+
+		struct {
+			int go_err;
+			uint16_t go_object_index;
+		} msg_response;
+	};
+};
+
+#endif

lib/libmsg-ld/ld.c

@@ -0,0 +1,3 @@
+void msg_ld_tmp(void)
+{
+}