diff options
| -rw-r--r-- | include/opcode/aarch64.h | 32 |
1 files changed, 31 insertions, 1 deletions
diff --git a/include/opcode/aarch64.h b/include/opcode/aarch64.h index 9daa911..56ded7c 100644 --- a/include/opcode/aarch64.h +++ b/include/opcode/aarch64.h @@ -1367,7 +1367,31 @@ extern const aarch64_opcode aarch64_opcode_table[]; #define F_OPD_SIZE (1ULL << 34) /* RCPC3 instruction has the field of 'size'. */ #define F_RCPC3_SIZE (1ULL << 35) -/* Next bit is 36. */ + +/* 4-bit flag field to indicate subclass of instructions. + The available 14 nonzero values are consecutive, with room for + more subclasses in future. */ +#define F_SUBCLASS (15ULL << 36) + +#define F_SUBCLASS_OTHER (F_SUBCLASS) + +#define F_LDST_LOAD (1ULL << 36) +#define F_LDST_STORE (2ULL << 36) +/* A load followed by a store (using the same address). */ +#define F_LDST_SWAP (3ULL << 36) +/* Subclasses to denote add, sub and mov insns. */ +#define F_ARITH_ADD (4ULL << 36) +#define F_ARITH_SUB (5ULL << 36) +#define F_ARITH_MOV (6ULL << 36) +/* Subclasses to denote call and ret insns. */ +#define F_BRANCH_CALL (7ULL << 36) +#define F_BRANCH_RET (8ULL << 36) + +#define F_SUBCLASS_OTHER (F_SUBCLASS) +/* PS: To perform some sanity checks, the last declared subclass flag is used. + Keep F_MAX_SUBCLASS updated when declaring new subclasses. */ +#define F_MAX_SUBCLASS (F_BRANCH_RET) +/* Next bit is 40. */ /* Instruction constraints. */ /* This instruction has a predication constraint on the instruction at PC+4. */ @@ -1406,6 +1430,12 @@ pseudo_opcode_p (const aarch64_opcode *opcode) return (opcode->flags & F_PSEUDO) != 0lu; } +static inline bool +aarch64_opcode_subclass_p (const aarch64_opcode* opcode, uint64_t flag) +{ + return ((opcode->flags & F_SUBCLASS) == flag); +} + /* Deal with two possible scenarios: If F_OP_PAIR_OPT not set, as is the case by default, F_OPDn_OPT must equal IDX + 1, else F_OPDn_OPT must be in range [IDX, IDX + 1]. */ |