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- /* SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause) */
- /* Copyright (c) 2021 Facebook */
- #ifndef __BPF_GEN_INTERNAL_H
- #define __BPF_GEN_INTERNAL_H
- #include "bpf.h"
- struct ksym_relo_desc {
- const char *name;
- int kind;
- int insn_idx;
- bool is_weak;
- bool is_typeless;
- bool is_ld64;
- };
- struct ksym_desc {
- const char *name;
- int ref;
- int kind;
- union {
- /* used for kfunc */
- int off;
- /* used for typeless ksym */
- bool typeless;
- };
- int insn;
- bool is_ld64;
- };
- struct bpf_gen {
- struct gen_loader_opts *opts;
- void *data_start;
- void *data_cur;
- void *insn_start;
- void *insn_cur;
- ssize_t cleanup_label;
- __u32 nr_progs;
- __u32 nr_maps;
- int log_level;
- int error;
- struct ksym_relo_desc *relos;
- int relo_cnt;
- struct bpf_core_relo *core_relos;
- int core_relo_cnt;
- char attach_target[128];
- int attach_kind;
- struct ksym_desc *ksyms;
- __u32 nr_ksyms;
- int fd_array;
- int nr_fd_array;
- };
- void bpf_gen__init(struct bpf_gen *gen, int log_level, int nr_progs, int nr_maps);
- int bpf_gen__finish(struct bpf_gen *gen, int nr_progs, int nr_maps);
- void bpf_gen__free(struct bpf_gen *gen);
- void bpf_gen__load_btf(struct bpf_gen *gen, const void *raw_data, __u32 raw_size);
- void bpf_gen__map_create(struct bpf_gen *gen,
- enum bpf_map_type map_type, const char *map_name,
- __u32 key_size, __u32 value_size, __u32 max_entries,
- struct bpf_map_create_opts *map_attr, int map_idx);
- void bpf_gen__prog_load(struct bpf_gen *gen,
- enum bpf_prog_type prog_type, const char *prog_name,
- const char *license, struct bpf_insn *insns, size_t insn_cnt,
- struct bpf_prog_load_opts *load_attr, int prog_idx);
- void bpf_gen__map_update_elem(struct bpf_gen *gen, int map_idx, void *value, __u32 value_size);
- void bpf_gen__map_freeze(struct bpf_gen *gen, int map_idx);
- void bpf_gen__record_attach_target(struct bpf_gen *gen, const char *name, enum bpf_attach_type type);
- void bpf_gen__record_extern(struct bpf_gen *gen, const char *name, bool is_weak,
- bool is_typeless, bool is_ld64, int kind, int insn_idx);
- void bpf_gen__record_relo_core(struct bpf_gen *gen, const struct bpf_core_relo *core_relo);
- void bpf_gen__populate_outer_map(struct bpf_gen *gen, int outer_map_idx, int key, int inner_map_idx);
- #endif
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