23 struct insn {  struct
89 extern void insn_init(struct insn *insn, const void *kaddr, int buf_len, int x86_64);
90 extern int insn_get_prefixes(struct insn *insn);
91 extern int insn_get_opcode(struct insn *insn);
92 extern int insn_get_modrm(struct insn *insn);
93 extern int insn_get_sib(struct insn *insn);
94 extern int insn_get_displacement(struct insn *insn);
95 extern int insn_get_immediate(struct insn *insn);
96 extern int insn_get_length(struct insn *insn);
106 extern int insn_decode(struct insn *insn, const void *kaddr, int buf_len, enum insn_mode m);
111 static inline void insn_get_attribute(struct insn *insn)  in insn_get_attribute()  argument
113 	insn_get_modrm(insn);  in insn_get_attribute()
117 extern int insn_rip_relative(struct insn *insn);
120 static inline void kernel_insn_init(struct insn *insn,  in kernel_insn_init()  argument
124 	insn_init(insn, kaddr, buf_len, 1);  in kernel_insn_init()
126 	insn_init(insn, kaddr, buf_len, 0);  in kernel_insn_init()
130 static inline int insn_is_avx(struct insn *insn)  in insn_is_avx()  argument
132 	if (!insn->prefixes.got)  in insn_is_avx()
133 		insn_get_prefixes(insn);  in insn_is_avx()
134 	return (insn->vex_prefix.value != 0);  in insn_is_avx()
137 static inline int insn_is_evex(struct insn *insn)  in insn_is_evex()  argument
139 	if (!insn->prefixes.got)  in insn_is_evex()
140 		insn_get_prefixes(insn);  in insn_is_evex()
141 	return (insn->vex_prefix.nbytes == 4);  in insn_is_evex()
144 static inline int insn_has_emulate_prefix(struct insn *insn)  in insn_has_emulate_prefix()  argument
146 	return !!insn->emulate_prefix_size;  in insn_has_emulate_prefix()
150 static inline int insn_complete(struct insn *insn)  in insn_complete()  argument
152 	return insn->opcode.got && insn->modrm.got && insn->sib.got &&  in insn_complete()
153 		insn->displacement.got && insn->immediate.got;  in insn_complete()
156 static inline insn_byte_t insn_vex_m_bits(struct insn *insn)  in insn_vex_m_bits()  argument
158 	if (insn->vex_prefix.nbytes == 2)	/* 2 bytes VEX */  in insn_vex_m_bits()
160 	else if (insn->vex_prefix.nbytes == 3)	/* 3 bytes VEX */  in insn_vex_m_bits()
161 		return X86_VEX3_M(insn->vex_prefix.bytes[1]);  in insn_vex_m_bits()
163 		return X86_EVEX_M(insn->vex_prefix.bytes[1]);  in insn_vex_m_bits()
166 static inline insn_byte_t insn_vex_p_bits(struct insn *insn)  in insn_vex_p_bits()  argument
168 	if (insn->vex_prefix.nbytes == 2)	/* 2 bytes VEX */  in insn_vex_p_bits()
169 		return X86_VEX_P(insn->vex_prefix.bytes[1]);  in insn_vex_p_bits()
171 		return X86_VEX_P(insn->vex_prefix.bytes[2]);  in insn_vex_p_bits()
175 static inline int insn_last_prefix_id(struct insn *insn)  in insn_last_prefix_id()  argument
177 	if (insn_is_avx(insn))  in insn_last_prefix_id()
178 		return insn_vex_p_bits(insn);	/* VEX_p is a SIMD prefix id */  in insn_last_prefix_id()
180 	if (insn->prefixes.bytes[3])  in insn_last_prefix_id()
181 		return inat_get_last_prefix_id(insn->prefixes.bytes[3]);  in insn_last_prefix_id()
187 static inline int insn_offset_rex_prefix(struct insn *insn)  in insn_offset_rex_prefix()  argument
189 	return insn->prefixes.nbytes;  in insn_offset_rex_prefix()
191 static inline int insn_offset_vex_prefix(struct insn *insn)  in insn_offset_vex_prefix()  argument
193 	return insn_offset_rex_prefix(insn) + insn->rex_prefix.nbytes;  in insn_offset_vex_prefix()
195 static inline int insn_offset_opcode(struct insn *insn)  in insn_offset_opcode()  argument
197 	return insn_offset_vex_prefix(insn) + insn->vex_prefix.nbytes;  in insn_offset_opcode()
199 static inline int insn_offset_modrm(struct insn *insn)  in insn_offset_modrm()  argument
201 	return insn_offset_opcode(insn) + insn->opcode.nbytes;  in insn_offset_modrm()
203 static inline int insn_offset_sib(struct insn *insn)  in insn_offset_sib()  argument
205 	return insn_offset_modrm(insn) + insn->modrm.nbytes;  in insn_offset_sib()
207 static inline int insn_offset_displacement(struct insn *insn)  in insn_offset_displacement()  argument
209 	return insn_offset_sib(insn) + insn->sib.nbytes;  in insn_offset_displacement()
211 static inline int insn_offset_immediate(struct insn *insn)  in insn_offset_immediate()  argument
213 	return insn_offset_displacement(insn) + insn->displacement.nbytes;  in insn_offset_immediate()
228 #define for_each_insn_prefix(insn, idx, prefix)	\  argument
229 …for (idx = 0; idx < ARRAY_SIZE(insn->prefixes.bytes) && (prefix = insn->prefixes.bytes[idx]) != 0;…
242 static inline int insn_masking_exception(struct insn *insn)  in insn_masking_exception()  argument
244 	return insn->opcode.bytes[0] == POP_SS_OPCODE ||  in insn_masking_exception()
245 		(insn->opcode.bytes[0] == MOV_SREG_OPCODE &&  in insn_masking_exception()
246 		 X86_MODRM_REG(insn->modrm.bytes[0]) == 2);  in insn_masking_exception()