working usermode objdir iteration

1 files changed, 35 insertions, 0 deletions

diff --git a/lib/libjove/include/syscall.h b/lib/libjove/include/syscall.h
new file mode 100644
index 0000000..432be85
--- /dev/null
+++ b/lib/libjove/include/syscall.h
@@ -0,0 +1,35 @@
+#ifndef _LIBJOVE_SYSCALL_H
+#define _LIBJOVE_SYSCALL_H 1
+
+#include <stdint.h>
+
+#include <kernel/object.h>
+#include <jove/object.h>
+
+#define SYSCALL_PAYLOAD_PUTL(buf, at, v, type) \
+    if(at + sizeof(type) > KO_MESSAGE_BYTES) return -1; \
+    *((type*)(&buf[at])) = v; \
+    at += sizeof(type)
+
+#define SYSCALL_PAYLOAD_SAVEPTR(buf, at, type, val) \
+    if(at + sizeof(type) >= KO_MESSAGE_BYTES) return -1; \
+    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
+
+
+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_untyped_size(KernelObjectUntyped *untyped, size_t *bytes);
+int _syscall_invoke_untyped_split(KernelObjectUntyped *path, size_t bytes, KernelObjectUntyped *dest);
+int _syscall_invoke_untyped_merge(KernelObjectUntyped *a, KernelObjectUntyped *b);
+int _syscall_invoke_untyped_alignment(KernelObjectUntyped *path, size_t *alignment);
+
+#endif