bpf/prog_tests/reg_bounds.c

856 #define emit(insn) ({							\
876 	emit(BPF_JMP_A(2));
883 	emit(BPF_MOV64_IMM(BPF_REG_0, 0));
884 	emit(BPF_EXIT_INSN());
892 	emit(BPF_EMIT_CALL(BPF_FUNC_get_current_pid_tgid));
894 		emit(BPF_MOV32_REG(BPF_REG_6, BPF_REG_0));
896 		emit(BPF_MOV64_REG(BPF_REG_6, BPF_REG_0));
897 	emit(BPF_EMIT_CALL(BPF_FUNC_get_current_pid_tgid));
899 		emit(BPF_MOV32_REG(BPF_REG_7, BPF_REG_0));
901 		emit(BPF_MOV64_REG(BPF_REG_7, BPF_REG_0));
909 		emit(BPF_MOV32_IMM(BPF_REG_1, (s32)x.a));
910 		emit(BPF_MOV32_IMM(BPF_REG_2, (s32)x.b));
911 		emit(BPF_JMP32_REG(spec.setup_signed ? BPF_JSLT : BPF_JLT,
913 		emit(BPF_JMP32_REG(spec.setup_signed ? BPF_JSGT : BPF_JGT,
916 		emit(BPF_LD_IMM64(BPF_REG_1, x.a));
917 		emit(BPF_LD_IMM64(BPF_REG_2, x.b));
918 		emit(BPF_JMP_REG(spec.setup_signed ? BPF_JSLT : BPF_JLT,
920 		emit(BPF_JMP_REG(spec.setup_signed ? BPF_JSGT : BPF_JGT,
930 		emit(BPF_MOV32_IMM(BPF_REG_1, (s32)y.a));
931 		emit(BPF_MOV32_IMM(BPF_REG_2, (s32)y.b));
932 		emit(BPF_JMP32_REG(spec.setup_signed ? BPF_JSLT : BPF_JLT,
934 		emit(BPF_JMP32_REG(spec.setup_signed ? BPF_JSGT : BPF_JGT,
937 		emit(BPF_LD_IMM64(BPF_REG_1, y.a));
938 		emit(BPF_LD_IMM64(BPF_REG_2, y.b));
939 		emit(BPF_JMP_REG(spec.setup_signed ? BPF_JSLT : BPF_JLT,
941 		emit(BPF_JMP_REG(spec.setup_signed ? BPF_JSGT : BPF_JGT,
966 		emit(BPF_MOV32_REG(BPF_REG_0, BPF_REG_6));
967 		emit(BPF_MOV32_REG(BPF_REG_0, BPF_REG_7));
969 		emit(BPF_MOV64_REG(BPF_REG_0, BPF_REG_6));
970 		emit(BPF_MOV64_REG(BPF_REG_0, BPF_REG_7));
973 		emit(BPF_JMP32_REG(op_code, BPF_REG_6, BPF_REG_7, 3));
975 		emit(BPF_JMP_REG(op_code, BPF_REG_6, BPF_REG_7, 3));
983 		emit(BPF_MOV32_REG(BPF_REG_0, BPF_REG_6));
984 		emit(BPF_MOV32_REG(BPF_REG_0, BPF_REG_7));
986 		emit(BPF_MOV64_REG(BPF_REG_0, BPF_REG_6));
987 		emit(BPF_MOV64_REG(BPF_REG_0, BPF_REG_7));
990 		emit(BPF_EMIT_CALL(0xDEAD)); /* poison this branch */
992 		emit(BPF_EXIT_INSN());
1000 		emit(BPF_MOV32_REG(BPF_REG_0, BPF_REG_6));
1001 		emit(BPF_MOV32_REG(BPF_REG_0, BPF_REG_7));
1003 		emit(BPF_MOV64_REG(BPF_REG_0, BPF_REG_6));
1004 		emit(BPF_MOV64_REG(BPF_REG_0, BPF_REG_7));
1007 		emit(BPF_EMIT_CALL(0xDEAD)); /* poison this branch */
1008 	emit(BPF_EXIT_INSN()); /* last instruction has to be exit */
1017 #undef emit