ld: send fs.open() message to bootstrap

sys/ld/CMakeLists.txt

@@ -9,7 +9,7 @@ set_target_properties(ld PROPERTIES
 	OUTPUT_NAME "ld64"
 	SUFFIX ".so")
 
-target_link_libraries(ld ulibc libmango)
+target_link_libraries(ld ulibc libmango libmsg-fs)
 
 target_compile_options(ld PRIVATE
 	-fPIC -fno-stack-protector -nostdlib -ffreestanding)

sys/ld/main.c

@@ -1,6 +1,7 @@
 #include <mango/log.h>
 #include <mango/msg.h>
 #include <mango/types.h>
+#include <rosetta/msg/fs.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
@@ -35,21 +36,21 @@ int main(
 #if 1
 	port_connect(port, 0, 0);
 
-	const char msg_buf[] = "Hello!";
-	struct iovec vec = IOVEC(msg_buf, 7);
-	struct msg msg = MSG(&vec, 1, NULL, 0);
+	const char *path = "/usr/lib/libc.so";
+	int flags = 4;
+	int err = 0;
 
-	char recv_buf[64];
-	struct iovec recv_vec = IOVEC(recv_buf, sizeof recv_buf);
-	struct msg recv_msg = MSG(&recv_vec, 1, NULL, 0);
+	kern_logf("calling open(%s, %d)", path, flags);
+	status = rosetta_msg_fs_open_send(port, path, flags, &err);
 
-	kern_logf("sending message...");
-	status = msg_send(port, 0, &msg, &recv_msg);
-	kern_logf("msg_send: %d", status);
-
-	if (status == KERN_OK) {
-		kern_logf("reply: %s", recv_buf);
+	if (status != KERN_OK) {
+		kern_logf("open call failed (status %d)", status);
+	} else if (err != 0) {
+		kern_logf("open call returned error %d", err);
+	} else {
+		kern_logf("open call succeeded");
 	}
+
 #endif
 	return 0;
 }