238 	return insn->code == (BPF_JMP | BPF_CALL) &&  in bpf_pseudo_call()
244 	return insn->code == (BPF_JMP | BPF_CALL) &&  in bpf_pseudo_kfunc_call()
540 	return BPF_CLASS(insn->code) == BPF_STX &&  in is_cmpxchg_insn()
541 	       BPF_MODE(insn->code) == BPF_ATOMIC &&  in is_cmpxchg_insn()
2244 		u8 code = insn[i].code;  in check_subprogs()  local
2246 		if (code == (BPF_JMP | BPF_CALL) &&  in check_subprogs()
2250 		if (BPF_CLASS(code) == BPF_LD &&  in check_subprogs()
2251 		    (BPF_MODE(code) == BPF_ABS || BPF_MODE(code) == BPF_IND))  in check_subprogs()
2253 		if (BPF_CLASS(code) != BPF_JMP && BPF_CLASS(code) != BPF_JMP32)  in check_subprogs()
2255 		if (BPF_OP(code) == BPF_EXIT || BPF_OP(code) == BPF_CALL)  in check_subprogs()
2268 			if (code != (BPF_JMP | BPF_EXIT) &&  in check_subprogs()
2269 			    code != (BPF_JMP | BPF_JA)) {  in check_subprogs()
2340 	u8 code, class, op;  in is_reg64()  local
2342 	code = insn->code;  in is_reg64()
2343 	class = BPF_CLASS(code);  in is_reg64()
2344 	op = BPF_OP(code);  in is_reg64()
2379 			return BPF_SIZE(code) == BPF_DW;  in is_reg64()
2391 		return BPF_SIZE(code) == BPF_DW;  in is_reg64()
2395 		u8 mode = BPF_MODE(code);  in is_reg64()
2424 	switch (BPF_CLASS(insn->code)) {  in insn_def_regno()
2430 		if (BPF_MODE(insn->code) == BPF_ATOMIC &&  in insn_def_regno()
2598 	u8 class = BPF_CLASS(insn->code);  in backtrack_insn()
2599 	u8 opcode = BPF_OP(insn->code);  in backtrack_insn()
2600 	u8 mode = BPF_MODE(insn->code);  in backtrack_insn()
2605 	if (insn->code == 0)  in backtrack_insn()
2622 			if (BPF_SRC(insn->code) == BPF_X) {  in backtrack_insn()
2639 			if (BPF_SRC(insn->code) == BPF_X) {  in backtrack_insn()
2722 		} else if (BPF_SRC(insn->code) == BPF_X) {  in backtrack_insn()
3245 	return BPF_CLASS(insn->code) == BPF_ST && BPF_MODE(insn->code) == BPF_MEM;  in is_bpf_st_mem()
4002 	int class = BPF_CLASS(insn->code);  in check_map_kptr_access()
4012 	if (BPF_MODE(insn->code) != BPF_MEM) {  in check_map_kptr_access()
5235 	if (BPF_SIZE(insn->code) != BPF_W && BPF_SIZE(insn->code) != BPF_DW) {  in check_atomic()
5300 			       BPF_SIZE(insn->code), BPF_READ, -1, true);  in check_atomic()
5303 				       BPF_SIZE(insn->code), BPF_READ, load_reg,  in check_atomic()
5310 			       BPF_SIZE(insn->code), BPF_WRITE, -1, true);  in check_atomic()
6972 	if (insn->code == (BPF_JMP | BPF_CALL) &&  in __check_func_call()
8198 	return env->bypass_spec_v1 || BPF_SRC(insn->code) == BPF_K;  in can_skip_alu_sanitation()
8250 		if (BPF_SRC(insn->code) == BPF_K) {  in sanitize_speculative_path()
8252 		} else if (BPF_SRC(insn->code) == BPF_X) {  in sanitize_speculative_path()
8273 	u8 opcode = BPF_OP(insn->code);  in sanitize_ptr_alu()
8375 	const char *op = BPF_OP(insn->code) == BPF_ADD ? "add" : "sub";  in sanitize_err()
8493 	u8 opcode = BPF_OP(insn->code);  in adjust_ptr_min_max_vals()
8508 	if (BPF_CLASS(insn->code) != BPF_ALU64) {  in adjust_ptr_min_max_vals()
9286 	u8 opcode = BPF_OP(insn->code);  in adjust_scalar_min_max_vals()
9292 	u64 insn_bitness = (BPF_CLASS(insn->code) == BPF_ALU64) ? 64 : 32;  in adjust_scalar_min_max_vals()
9293 	bool alu32 = (BPF_CLASS(insn->code) != BPF_ALU64);  in adjust_scalar_min_max_vals()
9448 	u8 opcode = BPF_OP(insn->code);  in adjust_reg_min_max_vals()
9460 	if (BPF_SRC(insn->code) == BPF_X) {  in adjust_reg_min_max_vals()
9530 	u8 opcode = BPF_OP(insn->code);  in check_alu_op()
9535 			if (BPF_SRC(insn->code) != BPF_K ||  in check_alu_op()
9544 			    BPF_CLASS(insn->code) == BPF_ALU64) {  in check_alu_op()
9568 		if (BPF_SRC(insn->code) == BPF_X) {  in check_alu_op()
9590 		if (BPF_SRC(insn->code) == BPF_X) {  in check_alu_op()
9594 			if (BPF_CLASS(insn->code) == BPF_ALU64) {  in check_alu_op()
9637 			if (BPF_CLASS(insn->code) == BPF_ALU64) {  in check_alu_op()
9652 		if (BPF_SRC(insn->code) == BPF_X) {  in check_alu_op()
9674 		    BPF_SRC(insn->code) == BPF_K && insn->imm == 0) {  in check_alu_op()
9680 		     opcode == BPF_ARSH) && BPF_SRC(insn->code) == BPF_K) {  in check_alu_op()
9681 			int size = BPF_CLASS(insn->code) == BPF_ALU64 ? 64 : 32;  in check_alu_op()
10304 	if (BPF_SRC(insn->code) != BPF_X)  in try_match_pkt_pointers()
10308 	if (BPF_CLASS(insn->code) == BPF_JMP32)  in try_match_pkt_pointers()
10311 	switch (BPF_OP(insn->code)) {  in try_match_pkt_pointers()
10422 	u8 opcode = BPF_OP(insn->code);  in check_cond_jmp_op()
10439 	if (BPF_SRC(insn->code) == BPF_X) {  in check_cond_jmp_op()
10464 	is_jmp32 = BPF_CLASS(insn->code) == BPF_JMP32;  in check_cond_jmp_op()
10466 	if (BPF_SRC(insn->code) == BPF_K) {  in check_cond_jmp_op()
10492 		if (BPF_SRC(insn->code) == BPF_X && !err &&  in check_cond_jmp_op()
10540 	if (BPF_SRC(insn->code) == BPF_X) {  in check_cond_jmp_op()
10590 	if (!is_jmp32 && BPF_SRC(insn->code) == BPF_K &&  in check_cond_jmp_op()
10621 	if (BPF_SIZE(insn->code) != BPF_DW) {  in check_ld_imm()
10736 	u8 mode = BPF_MODE(insn->code);  in check_ld_abs()
10750 	    BPF_SIZE(insn->code) == BPF_DW ||  in check_ld_abs()
11127 	if (BPF_CLASS(insns[t].code) != BPF_JMP &&  in visit_insn()
11128 	    BPF_CLASS(insns[t].code) != BPF_JMP32)  in visit_insn()
11131 	switch (BPF_OP(insns[t].code)) {  in visit_insn()
11147 		if (BPF_SRC(insns[t].code) != BPF_K)  in visit_insn()
11491 		if (!prog->insnsi[linfo[i].insn_off].code) {  in check_btf_line()
12478 		class = BPF_CLASS(insn->code);  in do_check()
12573 					       insn->off, BPF_SIZE(insn->code),  in do_check()
12602 			if (BPF_MODE(insn->code) == BPF_ATOMIC) {  in do_check()
12610 			if (BPF_MODE(insn->code) != BPF_MEM || insn->imm != 0) {  in do_check()
12628 					       insn->off, BPF_SIZE(insn->code),  in do_check()
12643 			if (BPF_MODE(insn->code) != BPF_MEM ||  in do_check()
12662 					       insn->off, BPF_SIZE(insn->code),  in do_check()
12668 			u8 opcode = BPF_OP(insn->code);  in do_check()
12672 				if (BPF_SRC(insn->code) != BPF_K ||  in do_check()
12699 				if (BPF_SRC(insn->code) != BPF_K ||  in do_check()
12712 				if (BPF_SRC(insn->code) != BPF_K ||  in do_check()
12767 			u8 mode = BPF_MODE(insn->code);  in do_check()
13062 		if (BPF_CLASS(insn->code) == BPF_LDX &&  in resolve_pseudo_ldimm64()
13063 		    (BPF_MODE(insn->code) != BPF_MEM || insn->imm != 0)) {  in resolve_pseudo_ldimm64()
13068 		if (insn[0].code == (BPF_LD | BPF_IMM | BPF_DW)) {  in resolve_pseudo_ldimm64()
13075 			if (i == insn_cnt - 1 || insn[1].code != 0 ||  in resolve_pseudo_ldimm64()
13221 		if (!bpf_opcode_in_insntable(insn->code)) {  in resolve_pseudo_ldimm64()
13222 			verbose(env, "unknown opcode %02x\n", insn->code);  in resolve_pseudo_ldimm64()
13256 		if (insn->code != (BPF_LD | BPF_IMM | BPF_DW))  in convert_pseudo_ld_imm64()
13530 static bool insn_is_cond_jump(u8 code)  in insn_is_cond_jump()  argument
13534 	if (BPF_CLASS(code) == BPF_JMP32)  in insn_is_cond_jump()
13537 	if (BPF_CLASS(code) != BPF_JMP)  in insn_is_cond_jump()
13540 	op = BPF_OP(code);  in insn_is_cond_jump()
13553 		if (!insn_is_cond_jump(insn->code))  in opt_hard_wire_dead_code_branches()
13638 			u8 code, class;  in opt_subreg_zext_lo32_rnd_hi32()  local
13644 			code = insn.code;  in opt_subreg_zext_lo32_rnd_hi32()
13645 			class = BPF_CLASS(code);  in opt_subreg_zext_lo32_rnd_hi32()
13655 				    BPF_MODE(code) == BPF_IMM)  in opt_subreg_zext_lo32_rnd_hi32()
13759 		if (insn->code == (BPF_LDX | BPF_MEM | BPF_B) ||  in convert_ctx_accesses()
13760 		    insn->code == (BPF_LDX | BPF_MEM | BPF_H) ||  in convert_ctx_accesses()
13761 		    insn->code == (BPF_LDX | BPF_MEM | BPF_W) ||  in convert_ctx_accesses()
13762 		    insn->code == (BPF_LDX | BPF_MEM | BPF_DW)) {  in convert_ctx_accesses()
13765 		} else if (insn->code == (BPF_STX | BPF_MEM | BPF_B) ||  in convert_ctx_accesses()
13766 			   insn->code == (BPF_STX | BPF_MEM | BPF_H) ||  in convert_ctx_accesses()
13767 			   insn->code == (BPF_STX | BPF_MEM | BPF_W) ||  in convert_ctx_accesses()
13768 			   insn->code == (BPF_STX | BPF_MEM | BPF_DW) ||  in convert_ctx_accesses()
13769 			   insn->code == (BPF_ST | BPF_MEM | BPF_B) ||  in convert_ctx_accesses()
13770 			   insn->code == (BPF_ST | BPF_MEM | BPF_H) ||  in convert_ctx_accesses()
13771 			   insn->code == (BPF_ST | BPF_MEM | BPF_W) ||  in convert_ctx_accesses()
13772 			   insn->code == (BPF_ST | BPF_MEM | BPF_DW)) {  in convert_ctx_accesses()
13774 			ctx_access = BPF_CLASS(insn->code) == BPF_STX;  in convert_ctx_accesses()
13819 				insn->code = BPF_LDX | BPF_PROBE_MEM |  in convert_ctx_accesses()
13820 					BPF_SIZE((insn)->code);  in convert_ctx_accesses()
13854 			insn->code = BPF_LDX | BPF_MEM | size_code;  in convert_ctx_accesses()
14007 			if (BPF_CLASS(insn->code) == BPF_LDX &&  in jit_subprogs()
14008 			    BPF_MODE(insn->code) == BPF_PROBE_MEM)  in jit_subprogs()
14231 		if (insn->code == (BPF_ALU64 | BPF_MOD | BPF_X) ||  in do_misc_fixups()
14232 		    insn->code == (BPF_ALU64 | BPF_DIV | BPF_X) ||  in do_misc_fixups()
14233 		    insn->code == (BPF_ALU | BPF_MOD | BPF_X) ||  in do_misc_fixups()
14234 		    insn->code == (BPF_ALU | BPF_DIV | BPF_X)) {  in do_misc_fixups()
14235 			bool is64 = BPF_CLASS(insn->code) == BPF_ALU64;  in do_misc_fixups()
14236 			bool isdiv = BPF_OP(insn->code) == BPF_DIV;  in do_misc_fixups()
14272 		if (BPF_CLASS(insn->code) == BPF_LD &&  in do_misc_fixups()
14273 		    (BPF_MODE(insn->code) == BPF_ABS ||  in do_misc_fixups()
14274 		     BPF_MODE(insn->code) == BPF_IND)) {  in do_misc_fixups()
14292 		if (insn->code == (BPF_ALU64 | BPF_ADD | BPF_X) ||  in do_misc_fixups()
14293 		    insn->code == (BPF_ALU64 | BPF_SUB | BPF_X)) {  in do_misc_fixups()
14327 				insn->code = insn->code == code_add ?  in do_misc_fixups()
14344 		if (insn->code != (BPF_JMP | BPF_CALL))  in do_misc_fixups()
14378 			insn->code = BPF_JMP | BPF_TAIL_CALL;  in do_misc_fixups()
14809 	return insn->code == (BPF_JMP | BPF_CALL) &&  in is_bpf_loop_call()