From c4f8ef91f18d854a4ede7a94e95b2eab898d6963 Mon Sep 17 00:00:00 2001
From: Jon Santmyer <jon@jonsantmyer.com>
Date: Sun, 10 Aug 2025 15:40:19 -0400
Subject: working usermode objdir iteration

---
 include/syscall.h | 44 +++++++++++++++++++++-----------------------
 1 file changed, 21 insertions(+), 23 deletions(-)

(limited to 'include/syscall.h')

diff --git a/include/syscall.h b/include/syscall.h
index c9c26d8..e70ba82 100644
--- a/include/syscall.h
+++ b/include/syscall.h
@@ -1,9 +1,7 @@
 #ifndef _JOVE_SYSCALL_H
 #define _JOVE_SYSCALL_H 1
 
-#include <stdint.h>
 #include <stddef.h>
-#include "object.h"
 
 enum
 {
@@ -12,35 +10,35 @@ enum
     SYSCALL_SEND,
     SYSCALL_RECV,
 
-    SYSCALL_DEBUG_PUTC,
-    SYSCALL_DEBUG_IDENTIFY
+    SYSCALL_DEBUG_PUTC
 };
 
-typedef uint16_t invokeid_t;
-
-struct syscallInvokeHeader
-{
-    obj_path_t target_path;
-    invokeid_t func_id;
-};
+/* Generic payload of SYSCALL_INVOKE:
+ * [   n bytes   ][ uint8_t ][ payload ]
+ * target entry     funcid            
+ * */
 
+/**@ENUM objdir invokes*/
 enum
 {
+    /*[target path][u8 funcid][u8 ret]*/
     INVOKE_OBJDIR_NMEMB = 0,
-    INVOKE_OBJDIR_GETMEMB
-};
-
-struct syscallInvoke_objdir_nmemb
-{
-    struct syscallInvokeHeader header;
-    size_t value;
+    /*[target path][u8 funcid][u8 memb][u16 ret]*/
+    INVOKE_OBJDIR_GETMEMB,
+    /*[target path][u8 funcid][u8 ret]*/
+    INVOKE_OBJDIR_LASTFREE
 };
-
-struct syscallInvoke_objdir_getmemb
+/**@ENUM untyped invokes*/
+enum
 {
-    struct syscallInvokeHeader header;
-    uint8_t member;
-    obj_type_t value;
+    /*[target path][u8 funcid][size_t ret]*/
+    INVOKE_UNTYPED_SIZE = 0,
+    /*[target path][u8 funcid][dest path][dest bytes]*/
+    INVOKE_UNTYPED_SPLIT,
+    /*[first path][u8 funcid][second path]*/
+    INVOKE_UNTYPED_MERGE,
+    /*[target path][u8 funcid][size_t ret]*/
+    INVOKE_UNTYPED_ALIGNMENT
 };
 
 #endif
-- 
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