* offsets are absolute from start of bytecode.
*/
-enum filter_register {
- REG_R0 = 0,
- REG_R1 = 1,
- REG_ERROR,
-};
-
struct field_ref {
/* Initially, symbol offset. After link, field offset. */
uint16_t offset;
struct load_op {
filter_opcode_t op;
- uint8_t reg; /* enum filter_register */
char data[0];
/* data to load. Size known by enum filter_opcode and null-term char. */
} __attribute__((packed));
struct unary_op {
filter_opcode_t op;
- uint8_t reg; /* enum filter_register */
} __attribute__((packed));
/* skip_offset is absolute from start of bytecode */
struct cast_op {
filter_opcode_t op;
- uint8_t reg; /* enum filter_register */
} __attribute__((packed));
struct return_op {