fix up issues with user <-> ctrl thread communication

src/base/base_meta.c

@@ -339,6 +339,10 @@ deserialized_from_typed_data(Arena *arena, Type *type, String8 data, TypeSeriali
         }break;
       }
     }
+    if(params->advance_out != 0)
+    {
+      params->advance_out[0] = read_off;
+    }
     scratch_end(scratch);
   }
   return result;

src/base/base_meta.h

@@ -140,6 +140,7 @@ struct TypeSerializePtrRefInfo
 typedef struct TypeSerializeParams TypeSerializeParams;
 struct TypeSerializeParams
 {
+  U64 *advance_out;
   TypeSerializePtrRefInfo *ptr_ref_infos;
   U64 ptr_ref_infos_count;
 };

src/ctrl/ctrl_core.c

@@ -463,8 +463,10 @@ ctrl_msg_list_from_serialized_string(Arena *arena, String8 string)
       }
       
       // rjf: read meta-eval-info array
-      String8 meta_evals_srlzed = str8_skip(string, read_off);
+      String8 meta_evals_data = str8_skip(string, read_off);
-      msg->meta_evals = *struct_from_serialized(arena, CTRL_MetaEvalArray, meta_evals_srlzed);
+      U64 meta_evals_size = 0;
+      msg->meta_evals = *struct_from_serialized(arena, CTRL_MetaEvalArray, meta_evals_data, .advance_out = &meta_evals_size);
+      read_off += meta_evals_size;
 #if 0
       read_off += str8_deserial_read_struct(string, read_off, &msg->meta_eval_infos.count);
       msg->meta_eval_infos.v = push_array(arena, CTRL_MetaEvalInfo, msg->meta_eval_infos.count);

src/raddbg/raddbg_core.c

@@ -1860,10 +1860,10 @@ rd_eval_space_read(void *u, E_Space space, void *out, Rng1U64 range)
     {
       CTRL_MetaEval *eval = &rd_state->meta_evals.v[space.u64_0];
       Temp scratch = scratch_begin(0, 0);
-      void *offsetify_base = arena_push(scratch.arena, 0, 64);
+      arena_push(scratch.arena, 0, 64);
+      void *offsetify_base = push_array(scratch.arena, U8, 0);
       U64 pos_min = arena_pos(scratch.arena);
-      TypeSerializePtrRefInfo str_ptr_ref_info = { type(U8), .offsetify_base =  offsetify_base};
+      String8 eval_srlzed = serialized_from_struct(scratch.arena, CTRL_MetaEval, eval);
-      String8 eval_srlzed = serialized_from_struct(scratch.arena, CTRL_MetaEval, eval, .ptr_ref_infos_count = 1, .ptr_ref_infos = &str_ptr_ref_info);
       U64 pos_opl = arena_pos(scratch.arena);
       Rng1U64 legal_range = r1u64(0, pos_opl-pos_min);
       if(contains_1u64(legal_range, range.min))