diff options
Diffstat (limited to 'include/bytecode')
| -rw-r--r-- | include/bytecode/bytecode.h | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/include/bytecode/bytecode.h b/include/bytecode/bytecode.h index c495d7a..a93fe4f 100644 --- a/include/bytecode/bytecode.h +++ b/include/bytecode/bytecode.h @@ -8,8 +8,8 @@ #include <setjmp.h> -/*doc(Opcode) - Variable length opcodes. Sizes range from 1 to 5 bytes. +/*doc(Instructions) + Variable length instructions. Instruction size ranges from 1 to 5 bytes. # Instruction formats Instructions can be in 7 different formats: 1. 1 byte: Opcode(u8) @@ -25,7 +25,8 @@ 6.1 Opcode(u8) + register(i8) + label(i16)\ 6.2 Opcode(u8) + register(i8) + intermediate(u16)\ 6.3 Opcode(u8) + register(i8) + data(u16)\ - 6.4 Opcode(u8) + flags(u8) + num_local_var_reg(u16) + 6.4 Opcode(u8) + flags(u8) + num_local_var_reg(u16)\ + 6.5 Opcode(u8) + stack_offset(i24) 7. 5 bytes: Opcode(u8) + index(u8) + index(u16) + num_args(u8) # Registers Registers have a range of 128. Local variables start from register 0 and increment while parameters start from -1 @@ -96,6 +97,19 @@ typedef struct { /* TODO: Make sure this pragma pack works on all platforms */ #pragma pack(push, 1) typedef struct { + u8 num_params; + u32 params_num_pointers; + u32 params_fixed_size; + + u8 num_return_types; + u32 return_types_num_pointers; + u32 return_types_fixed_size; +} BytecodeHeaderExternFunction; +#pragma pack(pop) + +/* TODO: Make sure this pragma pack works on all platforms */ +#pragma pack(push, 1) +typedef struct { u32 function_index; #define parser_index function_index u32 extern_function_index; |