aarch64-insn.h File Reference

Go to the source code of this file.

Classes
struct	aarch64_register
struct	aarch64_memory_operand
struct	aarch64_insn_data
struct	aarch64_insn_visitor

Macros
#define	ENCODE(val, size, offset)   ((uint32_t) ((val & ((1ULL << size) - 1)) << offset))
#define	can_encode_int32(val, bits)   (((val) >> (bits)) == 0 || ((val) >> (bits)) == -1)
#define	emit_b(buf, is_bl, offset)   aarch64_emit_insn (buf, ((is_bl) ? BL : B) | (ENCODE ((offset) >> 2, 26, 0)))
#define	emit_bcond(buf, cond, offset)
#define	emit_cb(buf, is_cbnz, rt, offset)
#define	emit_ldr(buf, rt, rn, operand)   aarch64_emit_load_store (buf, rt.is64 ? 3 : 2, LDR, rt, rn, operand)
#define	emit_ldrsw(buf, rt, rn, operand)   aarch64_emit_load_store (buf, 3, LDRSW, rt, rn, operand)
#define	emit_tb(buf, is_tbnz, bit, rt, offset)
#define	emit_nop(buf)   aarch64_emit_insn (buf, NOP)

Enumerations
enum	aarch64_opcodes {   B = 0x14000000, BL = 0x80000000 | B, BCOND = 0x40000000 | B, CBZ = 0x20000000 | B,   CBNZ = 0x21000000 | B, TBZ = 0x36000000 | B, TBNZ = 0x37000000 | B, BLR = 0xd63f0000,   RET = 0xd65f0000, STP = 0x28000000, LDP = 0x28400000, STP_SIMD_VFP = 0x04000000 | STP,   LDP_SIMD_VFP = 0x04000000 | LDP, STR = 0x38000000, LDR = 0x00400000 | STR, LDRSW = 0x80800000 | STR,   LDAXR = 0x085ffc00, STXR = 0x08007c00, STLR = 0x089ffc00, MOV = 0x52800000,   MOVK = 0x20000000 | MOV, ADD = 0x01000000, SUB = 0x40000000 | ADD, SUBS = 0x20000000 | SUB,   AND = 0x0a000000, ORR = 0x20000000 | AND, ORN = 0x00200000 | ORR, EOR = 0x40000000 | AND,   LSLV = 0x1ac02000, LSRV = 0x00000400 | LSLV, ASRV = 0x00000800 | LSLV, SBFM = 0x13000000,   UBFM = 0x40000000 | SBFM, CSINC = 0x9a800400, MUL = 0x1b007c00, MSR = 0xd5100000,   MRS = 0x00200000 | MSR, HINT = 0xd503201f, SEVL = (5 << 5) | HINT, WFE = (2 << 5) | HINT,   NOP = (0 << 5) | HINT }
enum	aarch64_memory_operand_type { MEMORY_OPERAND_OFFSET, MEMORY_OPERAND_PREINDEX, MEMORY_OPERAND_POSTINDEX }

Functions
int	aarch64_decode_adr (CORE_ADDR addr, uint32_t insn, int *is_adrp, unsigned *rd, int32_t *offset)
int	aarch64_decode_b (CORE_ADDR addr, uint32_t insn, int *is_bl, int32_t *offset)
int	aarch64_decode_bcond (CORE_ADDR addr, uint32_t insn, unsigned *cond, int32_t *offset)
int	aarch64_decode_cb (CORE_ADDR addr, uint32_t insn, int *is64, int *is_cbnz, unsigned *rn, int32_t *offset)
int	aarch64_decode_tb (CORE_ADDR addr, uint32_t insn, int *is_tbnz, unsigned *bit, unsigned *rt, int32_t *imm)
int	aarch64_decode_ldr_literal (CORE_ADDR addr, uint32_t insn, int *is_w, int *is64, unsigned *rt, int32_t *offset)
void	aarch64_relocate_instruction (uint32_t insn, const struct aarch64_insn_visitor *visitor, struct aarch64_insn_data *data)
int	aarch64_emit_insn (uint32_t *buf, uint32_t insn)
int	aarch64_emit_load_store (uint32_t *buf, uint32_t size, enum aarch64_opcodes opcode, struct aarch64_register rt, struct aarch64_register rn, struct aarch64_memory_operand operand)

Variables
int	aarch64_debug

Macro Definition Documentation

can_encode_int32

#define can_encode_int32	(		val,
			bits
	)		(((val) >> (bits)) == 0 || ((val) >> (bits)) == -1)

Definition at line 215 of file aarch64-insn.h.

Referenced by aarch64_displaced_step_b().

emit_b

#define emit_b	(		buf,
			is_bl,
			offset
	)		aarch64_emit_insn (buf, ((is_bl) ? BL : B) | (ENCODE ((offset) >> 2, 26, 0)))

Definition at line 228 of file aarch64-insn.h.

Referenced by aarch64_displaced_step_b().

emit_bcond

#define emit_bcond	(		buf,
			cond,
			offset
	)

Value:

aarch64_emit_insn (buf,                 \
             BCOND | ENCODE ((offset) >> 2, 19, 5)  \
             | ENCODE ((cond), 4, 0))

Definition at line 240 of file aarch64-insn.h.

Referenced by aarch64_displaced_step_b_cond().

emit_cb

#define emit_cb	(		buf,
			is_cbnz,
			rt,
			offset
	)

Value:

aarch64_emit_insn (buf,                 \
             ((is_cbnz) ? CBNZ : CBZ)           \
             | ENCODE (rt.is64, 1, 31)  /* sf */    \
             | ENCODE (offset >> 2, 19, 5) /* imm19 */  \
             | ENCODE (rt.num, 5, 0))

Definition at line 256 of file aarch64-insn.h.

Referenced by aarch64_displaced_step_cb().

emit_ldr

#define emit_ldr	(		buf,
			rt,
			rn,
			operand
	)		aarch64_emit_load_store (buf, rt.is64 ? 3 : 2, LDR, rt, rn, operand)

Definition at line 274 of file aarch64-insn.h.

Referenced by aarch64_displaced_step_ldr_literal().

emit_ldrsw

#define emit_ldrsw	(		buf,
			rt,
			rn,
			operand
	)		aarch64_emit_load_store (buf, 3, LDRSW, rt, rn, operand)

Definition at line 288 of file aarch64-insn.h.

Referenced by aarch64_displaced_step_ldr_literal().

emit_nop

#define emit_nop

(

buf

)

aarch64_emit_insn (buf, NOP)

Definition at line 314 of file aarch64-insn.h.

Referenced by aarch64_displaced_step_adr(), and aarch64_displaced_step_b().

emit_tb

#define emit_tb	(		buf,
			is_tbnz,
			bit,
			rt,
			offset
	)

Value:

aarch64_emit_insn (buf,                    \
             ((is_tbnz) ? TBNZ: TBZ)               \
             | ENCODE (bit >> 5, 1, 31) /* b5 */       \
             | ENCODE (bit, 5, 19) /* b40 */           \
             | ENCODE (offset >> 2, 14, 5) /* imm14 */ \
             | ENCODE (rt.num, 5, 0))

Definition at line 304 of file aarch64-insn.h.

Referenced by aarch64_displaced_step_tb().

ENCODE

#define ENCODE	(		val,
			size,
			offset
	)		((uint32_t) ((val & ((1ULL << size) - 1)) << offset))

Definition at line 147 of file aarch64-insn.h.

Referenced by aarch64_emit_load_store().

Enumeration Type Documentation

aarch64_memory_operand_type

enum aarch64_memory_operand_type

Enumerator
MEMORY_OPERAND_OFFSET
MEMORY_OPERAND_PREINDEX
MEMORY_OPERAND_POSTINDEX

Definition at line 120 of file aarch64-insn.h.

aarch64_opcodes

enum aarch64_opcodes

Enumerator
B
BL
BCOND
CBZ
CBNZ
TBZ
TBNZ
BLR
RET
STP
LDP
STP_SIMD_VFP
LDP_SIMD_VFP
STR
LDR
LDRSW
LDAXR
STXR
STLR
MOV
MOVK
ADD
SUB
SUBS
AND
ORR
ORN
EOR
LSLV
LSRV
ASRV
SBFM
UBFM
CSINC
MUL
MSR
MRS
HINT
SEVL
WFE
NOP

Definition at line 27 of file aarch64-insn.h.

Function Documentation

aarch64_decode_adr()

int aarch64_decode_adr	(	CORE_ADDR	addr,
		uint32_t	insn,
		int *	is_adrp,
		unsigned *	rd,
		int32_t *	offset
	)

Definition at line 69 of file aarch64-insn.c.

References aarch64_debug, core_addr_to_string_nz(), debug_printf(), decode_masked_match(), extract_signed_bitfield(), and offset.

Referenced by aarch64_relocate_instruction().

aarch64_decode_b()

int aarch64_decode_b	(	CORE_ADDR	addr,
		uint32_t	insn,
		int *	is_bl,
		int32_t *	offset
	)

Definition at line 113 of file aarch64-insn.c.

References aarch64_debug, core_addr_to_string_nz(), debug_printf(), decode_masked_match(), extract_signed_bitfield(), and offset.

Referenced by aarch64_relocate_instruction().

aarch64_decode_bcond()

int aarch64_decode_bcond	(	CORE_ADDR	addr,
		uint32_t	insn,
		unsigned *	cond,
		int32_t *	offset
	)

Definition at line 147 of file aarch64-insn.c.

References aarch64_debug, core_addr_to_string_nz(), debug_printf(), decode_masked_match(), extract_signed_bitfield(), and offset.

Referenced by aarch64_relocate_instruction().

aarch64_decode_cb()

int aarch64_decode_cb	(	CORE_ADDR	addr,
		uint32_t	insn,
		int *	is64,
		int *	is_cbnz,
		unsigned *	rn,
		int32_t *	offset
	)

Definition at line 179 of file aarch64-insn.c.

References aarch64_debug, core_addr_to_string_nz(), debug_printf(), decode_masked_match(), extract_signed_bitfield(), and offset.

Referenced by aarch64_relocate_instruction().

aarch64_decode_ldr_literal()

int aarch64_decode_ldr_literal	(	CORE_ADDR	addr,
		uint32_t	insn,
		int *	is_w,
		int *	is64,
		unsigned *	rt,
		int32_t *	offset
	)

Definition at line 252 of file aarch64-insn.c.

References aarch64_debug, core_addr_to_string_nz(), debug_printf(), extract_signed_bitfield(), and offset.

Referenced by aarch64_relocate_instruction().

aarch64_decode_tb()

int aarch64_decode_tb	(	CORE_ADDR	addr,
		uint32_t	insn,
		int *	is_tbnz,
		unsigned *	bit,
		unsigned *	rt,
		int32_t *	imm
	)

Definition at line 215 of file aarch64-insn.c.

References aarch64_debug, bit, core_addr_to_string_nz(), debug_printf(), decode_masked_match(), and extract_signed_bitfield().

Referenced by aarch64_relocate_instruction().

aarch64_emit_insn()

int aarch64_emit_insn	(	uint32_t *	buf,
		uint32_t	insn
	)

Definition at line 336 of file aarch64-insn.c.

Referenced by aarch64_displaced_step_others(), and aarch64_emit_load_store().

aarch64_emit_load_store()

int aarch64_emit_load_store	(	uint32_t *	buf,
		uint32_t	size,
		enum aarch64_opcodes	opcode,
		struct aarch64_register	rt,
		struct aarch64_register	rn,
		struct aarch64_memory_operand	operand
	)

Definition at line 345 of file aarch64-insn.c.

References aarch64_emit_insn(), ENCODE, aarch64_memory_operand::index, MEMORY_OPERAND_OFFSET, MEMORY_OPERAND_POSTINDEX, MEMORY_OPERAND_PREINDEX, aarch64_register::num, size, and aarch64_memory_operand::type.

aarch64_relocate_instruction()

void aarch64_relocate_instruction	(	uint32_t	insn,
		const struct aarch64_insn_visitor *	visitor,
		struct aarch64_insn_data *	data
	)

Definition at line 296 of file aarch64-insn.c.

References aarch64_decode_adr(), aarch64_decode_b(), aarch64_decode_bcond(), aarch64_decode_cb(), aarch64_decode_ldr_literal(), aarch64_decode_tb(), aarch64_insn_visitor::adr, aarch64_insn_visitor::b, aarch64_insn_visitor::b_cond, bit, aarch64_insn_visitor::cb, gdbarch::data, aarch64_insn_visitor::ldr_literal, offset, aarch64_insn_visitor::others, aarch64_insn_visitor::tb, and visitor.

Referenced by aarch64_displaced_step_copy_insn().

Variable Documentation

aarch64_debug

int aarch64_debug

Definition at line 23 of file aarch64-insn.c.

Referenced by _initialize_aarch64_tdep(), aarch64_analyze_prologue(), aarch64_decode_adr(), aarch64_decode_b(), aarch64_decode_bcond(), aarch64_decode_cb(), aarch64_decode_ldr_literal(), aarch64_decode_tb(), aarch64_push_dummy_call(), aarch64_return_value(), aarch64_store_return_value(), BP_MANIPULATION(), pass_in_v(), pass_in_x(), and pass_on_stack().