initial upload

src/eval/eval_machine.h

@@ -0,0 +1,45 @@
+// Copyright (c) 2024 Epic Games Tools
+// Licensed under the MIT license (https://opensource.org/license/mit/)
+
+#ifndef EVAL2_MACHINE_H
+#define EVAL2_MACHINE_H
+
+////////////////////////////////
+//~ allen: Eval Machine Types
+
+typedef B32 EVAL_MemoryRead(void *u, void *out, U64 addr, U64 size);
+
+typedef struct EVAL_Machine EVAL_Machine;
+struct EVAL_Machine{
+  void *u;
+  Architecture arch;
+  EVAL_MemoryRead *memory_read;
+  void *reg_data;
+  U64   reg_size;
+  U64 *module_base;
+  U64 *frame_base;
+  U64 *tls_base;
+};
+
+typedef union EVAL_Slot EVAL_Slot;
+union EVAL_Slot{
+  U64 u256[4];
+  U64 u128[2];
+  U64 u64;
+  S64 s64;
+  F64 f64;
+  F32 f32;
+};
+
+typedef struct EVAL_Result EVAL_Result;
+struct EVAL_Result{
+  EVAL_Slot value;
+  B32 bad_eval;
+};
+
+////////////////////////////////
+//~ allen: Eval Machine Functions
+
+internal EVAL_Result eval_interpret(EVAL_Machine *machine, String8 bytecode);
+
+#endif //EVAL2_MACHINE_H