Symbol: BPF_R1
kernel/bpf/core.c
2067
BPF_R0 = (__bpf_call_base + insn->imm)(BPF_R1, BPF_R2, BPF_R3,
kernel/bpf/core.c
2072
BPF_R0 = (__bpf_call_base_args + insn->imm)(BPF_R1, BPF_R2,
kernel/bpf/core.c
2346
BPF_R1 = r1; \