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1 files changed, 7 insertions, 4 deletions

diff --git a/lib/libjove/include/syscall.h b/lib/libjove/include/syscall.h
index 432be85..5d872a3 100644
--- a/lib/libjove/include/syscall.h
+++ b/lib/libjove/include/syscall.h
@@ -7,25 +7,28 @@
 #include <jove/object.h>
 
 #define SYSCALL_PAYLOAD_PUTL(buf, at, v, type) \
-    if(at + sizeof(type) > KO_MESSAGE_BYTES) return -1; \
+    if(at + sizeof(type) > KO_MESSAGE_BYTES) return EJOVE_TOOBIG; \
     *((type*)(&buf[at])) = v; \
     at += sizeof(type)
 
 #define SYSCALL_PAYLOAD_SAVEPTR(buf, at, type, val) \
-    if(at + sizeof(type) >= KO_MESSAGE_BYTES) return -1; \
+    if(at + sizeof(type) >= KO_MESSAGE_BYTES) return EJOVE_TOOBIG; \
     val = (type*)(&buf[at]); \
     at += sizeof(type)
 
 #define SYSCALL_PAYLOAD_PUTOBJ(buf, at, obj) \
     at = path_tobuf(JOVE_OBJECT_TYPED(obj), buf, at, KO_MESSAGE_BYTES); \
-    if(at < 0) return at
+    if(at < 0) return -at
 
 
 int _syscall_invoke(void);
 void _syscall_debug_putc(char c);
 
-int _syscall_invoke_objdir_nmemb(KernelObjectDirectory *dir, uint8_t *result);
 int _syscall_invoke_objdir_getmemb(KernelObjectDirectory *dir, uint8_t member, obj_type_t *result);
+int _syscall_invoke_objdir_lastmemb(KernelObjectDirectory *dir, uint8_t *result);
+int _syscall_invoke_objdir_move(
+        KernelObjectDirectory *dir, uint8_t memb, 
+        KernelObjectDirectory *dest_dir, uint8_t dest_memb);
 
 int _syscall_invoke_untyped_size(KernelObjectUntyped *untyped, size_t *bytes);
 int _syscall_invoke_untyped_split(KernelObjectUntyped *path, size_t bytes, KernelObjectUntyped *dest);