working userland with some invoke syscalls

1 files changed, 34 insertions, 0 deletions

diff --git a/syscall/invoke_objdir.c b/syscall/invoke_objdir.c
new file mode 100644
index 0000000..4698f34
--- /dev/null
+++ b/syscall/invoke_objdir.c
@@ -0,0 +1,34 @@
+#include "handles.h"
+#include "syscall.h"
+
+static int
+s_handle_invoke_objdir_nmemb(objdir_t *root_dir, objdir_t *target_dir, void *payload)
+{
+    struct syscallInvoke_objdir_nmemb *payloadStruct = payload;
+    payloadStruct->value = target_dir->self.data;
+    return 0;
+}
+
+static int
+s_handle_invoke_objdir_getmemb(objdir_t *root_dir, objdir_t *target_dir, void *payload)
+{
+    struct syscallInvoke_objdir_getmemb *payloadStruct = payload;
+    payloadStruct->value = target_dir->entries[payloadStruct->member].type;
+    return 0;
+}
+
+static int (*s_invoke_handles[])(objdir_t*, objdir_t*, void*) = {
+    [INVOKE_OBJDIR_NMEMB] = s_handle_invoke_objdir_nmemb,
+    [INVOKE_OBJDIR_GETMEMB] = s_handle_invoke_objdir_getmemb
+};
+static size_t s_invoke_handles_count = sizeof(s_invoke_handles) / sizeof(void*);
+
+int
+syscall_handle_invoke_objdir(objdir_t *root_dir, objdir_t *target_dir, void *payload)
+{
+    struct syscallInvokeHeader *invokeHeader = payload;
+    size_t funcid = invokeHeader->func_id;
+
+    if(funcid >= s_invoke_handles_count) return -1;
+    return s_invoke_handles[funcid](root_dir, target_dir, payload);
+}