1*f7c14bbaSAndroid Build Coastguard Worker /* SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause) */ 2*f7c14bbaSAndroid Build Coastguard Worker /* Copyright (c) 2021 Facebook */ 3*f7c14bbaSAndroid Build Coastguard Worker #ifndef __BPF_GEN_INTERNAL_H 4*f7c14bbaSAndroid Build Coastguard Worker #define __BPF_GEN_INTERNAL_H 5*f7c14bbaSAndroid Build Coastguard Worker 6*f7c14bbaSAndroid Build Coastguard Worker #include "bpf.h" 7*f7c14bbaSAndroid Build Coastguard Worker 8*f7c14bbaSAndroid Build Coastguard Worker struct ksym_relo_desc { 9*f7c14bbaSAndroid Build Coastguard Worker const char *name; 10*f7c14bbaSAndroid Build Coastguard Worker int kind; 11*f7c14bbaSAndroid Build Coastguard Worker int insn_idx; 12*f7c14bbaSAndroid Build Coastguard Worker bool is_weak; 13*f7c14bbaSAndroid Build Coastguard Worker bool is_typeless; 14*f7c14bbaSAndroid Build Coastguard Worker bool is_ld64; 15*f7c14bbaSAndroid Build Coastguard Worker }; 16*f7c14bbaSAndroid Build Coastguard Worker 17*f7c14bbaSAndroid Build Coastguard Worker struct ksym_desc { 18*f7c14bbaSAndroid Build Coastguard Worker const char *name; 19*f7c14bbaSAndroid Build Coastguard Worker int ref; 20*f7c14bbaSAndroid Build Coastguard Worker int kind; 21*f7c14bbaSAndroid Build Coastguard Worker union { 22*f7c14bbaSAndroid Build Coastguard Worker /* used for kfunc */ 23*f7c14bbaSAndroid Build Coastguard Worker int off; 24*f7c14bbaSAndroid Build Coastguard Worker /* used for typeless ksym */ 25*f7c14bbaSAndroid Build Coastguard Worker bool typeless; 26*f7c14bbaSAndroid Build Coastguard Worker }; 27*f7c14bbaSAndroid Build Coastguard Worker int insn; 28*f7c14bbaSAndroid Build Coastguard Worker bool is_ld64; 29*f7c14bbaSAndroid Build Coastguard Worker }; 30*f7c14bbaSAndroid Build Coastguard Worker 31*f7c14bbaSAndroid Build Coastguard Worker struct bpf_gen { 32*f7c14bbaSAndroid Build Coastguard Worker struct gen_loader_opts *opts; 33*f7c14bbaSAndroid Build Coastguard Worker void *data_start; 34*f7c14bbaSAndroid Build Coastguard Worker void *data_cur; 35*f7c14bbaSAndroid Build Coastguard Worker void *insn_start; 36*f7c14bbaSAndroid Build Coastguard Worker void *insn_cur; 37*f7c14bbaSAndroid Build Coastguard Worker ssize_t cleanup_label; 38*f7c14bbaSAndroid Build Coastguard Worker __u32 nr_progs; 39*f7c14bbaSAndroid Build Coastguard Worker __u32 nr_maps; 40*f7c14bbaSAndroid Build Coastguard Worker int log_level; 41*f7c14bbaSAndroid Build Coastguard Worker int error; 42*f7c14bbaSAndroid Build Coastguard Worker struct ksym_relo_desc *relos; 43*f7c14bbaSAndroid Build Coastguard Worker int relo_cnt; 44*f7c14bbaSAndroid Build Coastguard Worker struct bpf_core_relo *core_relos; 45*f7c14bbaSAndroid Build Coastguard Worker int core_relo_cnt; 46*f7c14bbaSAndroid Build Coastguard Worker char attach_target[128]; 47*f7c14bbaSAndroid Build Coastguard Worker int attach_kind; 48*f7c14bbaSAndroid Build Coastguard Worker struct ksym_desc *ksyms; 49*f7c14bbaSAndroid Build Coastguard Worker __u32 nr_ksyms; 50*f7c14bbaSAndroid Build Coastguard Worker int fd_array; 51*f7c14bbaSAndroid Build Coastguard Worker int nr_fd_array; 52*f7c14bbaSAndroid Build Coastguard Worker }; 53*f7c14bbaSAndroid Build Coastguard Worker 54*f7c14bbaSAndroid Build Coastguard Worker void bpf_gen__init(struct bpf_gen *gen, int log_level, int nr_progs, int nr_maps); 55*f7c14bbaSAndroid Build Coastguard Worker int bpf_gen__finish(struct bpf_gen *gen, int nr_progs, int nr_maps); 56*f7c14bbaSAndroid Build Coastguard Worker void bpf_gen__free(struct bpf_gen *gen); 57*f7c14bbaSAndroid Build Coastguard Worker void bpf_gen__load_btf(struct bpf_gen *gen, const void *raw_data, __u32 raw_size); 58*f7c14bbaSAndroid Build Coastguard Worker void bpf_gen__map_create(struct bpf_gen *gen, 59*f7c14bbaSAndroid Build Coastguard Worker enum bpf_map_type map_type, const char *map_name, 60*f7c14bbaSAndroid Build Coastguard Worker __u32 key_size, __u32 value_size, __u32 max_entries, 61*f7c14bbaSAndroid Build Coastguard Worker struct bpf_map_create_opts *map_attr, int map_idx); 62*f7c14bbaSAndroid Build Coastguard Worker void bpf_gen__prog_load(struct bpf_gen *gen, 63*f7c14bbaSAndroid Build Coastguard Worker enum bpf_prog_type prog_type, const char *prog_name, 64*f7c14bbaSAndroid Build Coastguard Worker const char *license, struct bpf_insn *insns, size_t insn_cnt, 65*f7c14bbaSAndroid Build Coastguard Worker struct bpf_prog_load_opts *load_attr, int prog_idx); 66*f7c14bbaSAndroid Build Coastguard Worker void bpf_gen__map_update_elem(struct bpf_gen *gen, int map_idx, void *value, __u32 value_size); 67*f7c14bbaSAndroid Build Coastguard Worker void bpf_gen__map_freeze(struct bpf_gen *gen, int map_idx); 68*f7c14bbaSAndroid Build Coastguard Worker void bpf_gen__record_attach_target(struct bpf_gen *gen, const char *name, enum bpf_attach_type type); 69*f7c14bbaSAndroid Build Coastguard Worker void bpf_gen__record_extern(struct bpf_gen *gen, const char *name, bool is_weak, 70*f7c14bbaSAndroid Build Coastguard Worker bool is_typeless, bool is_ld64, int kind, int insn_idx); 71*f7c14bbaSAndroid Build Coastguard Worker void bpf_gen__record_relo_core(struct bpf_gen *gen, const struct bpf_core_relo *core_relo); 72*f7c14bbaSAndroid Build Coastguard Worker void bpf_gen__populate_outer_map(struct bpf_gen *gen, int outer_map_idx, int key, int inner_map_idx); 73*f7c14bbaSAndroid Build Coastguard Worker 74*f7c14bbaSAndroid Build Coastguard Worker #endif 75