diff options
| -rw-r--r-- | sys/linux/bpf.txt | 29 | ||||
| -rw-r--r-- | sys/linux/bpf.txt.const | 1 |
2 files changed, 30 insertions, 0 deletions
diff --git a/sys/linux/bpf.txt b/sys/linux/bpf.txt index b50f49ef2..f4b018ada 100644 --- a/sys/linux/bpf.txt +++ b/sys/linux/bpf.txt @@ -386,6 +386,7 @@ bpf_insn [ btf_id bpf_insn_btf_id cb_func bpf_insn_cb_func printk bpf_insn_trace_printk + snprintf bpf_insn_snprintf ] [varlen] bpf_insn_generic { @@ -587,6 +588,7 @@ type bpf_insn_map_value_t[DST, MAP_FD, VALUE_OFFSET] { } type bpf_insn_map_value bpf_insn_map_value_t[flags[bpf_reg, int8:4], fd_bpf_map, int32] +type bpf_insn_const_str[DST] bpf_insn_map_value_t[const[DST, int8:4], bpf_frozen_const_str, const[0, int32]] bpf_insn_map_idx_value { code const[bpf_insn_load_imm_dw, int8] @@ -656,6 +658,33 @@ bpf_insn_trace_printk { insn7 bpf_insn_call_helper_t[const[BPF_FUNC_trace_printk, int32]] } +# (b7) r8 = 0 +# (7b) *(u64 *)(r10 -8) = r8 +# (b7) r8 = X +# (7b) *(u64 *)(r10 -16) = r8 +# (bf) r1 = r10 +# (07) r1 += -8 +# (bf) r4 = r10 +# (07) r4 += -16 +# (b7) r2 = 8 +# (18) r3 = map[id:31][0]+0 +# (b7) r5 = 8 +# (85) call bpf_snprintf#168880 +bpf_insn_snprintf { + insn1 bpf_insn_mov_imm[BPF_REG_8, 0] + insn2 bpf_insn_st64_reg[BPF_REG_8, BPF_REG_10, -8] + insn3 bpf_insn_mov_imm_any[BPF_REG_8] + insn4 bpf_insn_st64_reg[BPF_REG_8, BPF_REG_10, -16] + insn5 bpf_insn_mov_reg[BPF_REG_10, BPF_REG_1] + insn6 bpf_insn_op_imm[BPF_REG_1, BPF_ADD0, -8] + insn7 bpf_insn_mov_reg[BPF_REG_10, BPF_REG_4] + insn8 bpf_insn_op_imm[BPF_REG_4, BPF_ADD0, -16] + insn9 bpf_insn_mov_imm[BPF_REG_2, 8] + insn10 bpf_insn_const_str[BPF_REG_3] + insn11 bpf_insn_mov_imm[BPF_REG_5, 8] + insn12 bpf_insn_call_helper_t[const[BPF_FUNC_snprintf, int32]] +} + define MAX_BPF_REG __MAX_BPF_REG bpf_obj_pin_map [ diff --git a/sys/linux/bpf.txt.const b/sys/linux/bpf.txt.const index e6eff547d..07c73dece 100644 --- a/sys/linux/bpf.txt.const +++ b/sys/linux/bpf.txt.const @@ -61,6 +61,7 @@ BPF_EXIST = 2 BPF_EXIT0 = 9 BPF_FLOW_DISSECTOR = 17 BPF_FUNC_INFO_SIZE = 8 +BPF_FUNC_snprintf = 165 BPF_FUNC_trace_printk = 6 BPF_F_AFTER = 16 BPF_F_ALLOW_MULTI = 2 |