1 files changed, 22 insertions, 3 deletions
diff --git a/include/program.h b/include/program.h
index f251fbc..3fc69fa 100644
--- a/include/program.h
+++ b/include/program.h
@@ -3,6 +3,7 @@
 
 #include "std/buffer.h"
 #include "bytecode/bytecode.h"
+#include "asm/x86_64.h"
 
 #define AMAL_PROGRAM_OK 0
 #define AMAL_PROGRAM_INVALID_HEADER -1
@@ -14,18 +15,36 @@
 #define AMAL_PROGRAM_INVALID_STRINGS_SIZE -7
 #define AMAL_PROGRAM_STRING_ALLOC_FAILURE -8
 #define AMAL_PROGRAM_INVALID_INSTRUCTIONS_SIZE -9
+#define AMAL_PROGRAM_INVALID_INSTRUCTION -10
+#define AMAL_PROGRAM_INSTRUCTION_INVALID_INTERMEDIATE_INDEX -11
+#define AMAL_PROGRAM_INSTRUCTION_INVALID_DATA_INDEX -12
+#define AMAL_PROGRAM_INSTRUCTION_STACK_OVERFLOW -13
+#define AMAL_PROGRAM_INSTRUCTION_STACK_OOM -14
+#define AMAL_PROGRAM_INSTRUCTION_ILLEGAL_JUMP_TARGET -15
 
 #define AMAL_PROGRAM_MAGIC_NUMBER (u32)0xdec05eba
 #define AMAL_PROGRAM_MAJOR_VERSION 1
 #define AMAL_PROGRAM_MINOR_VERSION 0
 #define AMAL_PROGRAM_PATCH_VERSION 0
 
+#define AMAL_PROGRAM_NUM_REGISTERS 256
+
 typedef struct {
     Buffer/*<...>*/ data;
-    Buffer/*<u32>*/ string_indices;
-    char *intermediates_start;
-    char *strings_start;
+    u32 *string_indices;
+    char *intermediates_start;  /* Reference inside @data */
+    char *strings_start;        /* Reference inside @data */
     usize read_index;
+
+    u16 num_strings;
+    u16 num_intermediates;
+
+    u64 reg[AMAL_PROGRAM_NUM_REGISTERS];
+    u64 *stack;
+    usize stack_size;
+    usize stack_index;
+
+    Asm asm;
 } amal_program;
 
 CHECK_RESULT int amal_program_init(amal_program *self);