1 /* SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause) */ 2 /* Copyright (c) 2021 Facebook */ 3 #ifndef __BPF_GEN_INTERNAL_H 4 #define __BPF_GEN_INTERNAL_H 5 6 struct ksym_relo_desc { 7 const char *name; 8 int kind; 9 int insn_idx; 10 bool is_weak; 11 }; 12 13 struct ksym_desc { 14 const char *name; 15 int ref; 16 int kind; 17 int off; 18 int insn; 19 }; 20 21 struct bpf_gen { 22 struct gen_loader_opts *opts; 23 void *data_start; 24 void *data_cur; 25 void *insn_start; 26 void *insn_cur; 27 ssize_t cleanup_label; 28 __u32 nr_progs; 29 __u32 nr_maps; 30 int log_level; 31 int error; 32 struct ksym_relo_desc *relos; 33 int relo_cnt; 34 char attach_target[128]; 35 int attach_kind; 36 struct ksym_desc *ksyms; 37 __u32 nr_ksyms; 38 int fd_array; 39 int nr_fd_array; 40 }; 41 42 void bpf_gen__init(struct bpf_gen *gen, int log_level); 43 int bpf_gen__finish(struct bpf_gen *gen); 44 void bpf_gen__free(struct bpf_gen *gen); 45 void bpf_gen__load_btf(struct bpf_gen *gen, const void *raw_data, __u32 raw_size); 46 void bpf_gen__map_create(struct bpf_gen *gen, struct bpf_create_map_attr *map_attr, int map_idx); 47 struct bpf_prog_load_params; 48 void bpf_gen__prog_load(struct bpf_gen *gen, struct bpf_prog_load_params *load_attr, int prog_idx); 49 void bpf_gen__map_update_elem(struct bpf_gen *gen, int map_idx, void *value, __u32 value_size); 50 void bpf_gen__map_freeze(struct bpf_gen *gen, int map_idx); 51 void bpf_gen__record_attach_target(struct bpf_gen *gen, const char *name, enum bpf_attach_type type); 52 void bpf_gen__record_extern(struct bpf_gen *gen, const char *name, bool is_weak, int kind, 53 int insn_idx); 54 55 #endif 56