75 lines · c
1/* SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause) */2/* Copyright (c) 2021 Facebook */3#ifndef __BPF_GEN_INTERNAL_H4#define __BPF_GEN_INTERNAL_H5 6#include "bpf.h"7 8struct ksym_relo_desc {9 const char *name;10 int kind;11 int insn_idx;12 bool is_weak;13 bool is_typeless;14 bool is_ld64;15};16 17struct ksym_desc {18 const char *name;19 int ref;20 int kind;21 union {22 /* used for kfunc */23 int off;24 /* used for typeless ksym */25 bool typeless;26 };27 int insn;28 bool is_ld64;29};30 31struct bpf_gen {32 struct gen_loader_opts *opts;33 void *data_start;34 void *data_cur;35 void *insn_start;36 void *insn_cur;37 ssize_t cleanup_label;38 __u32 nr_progs;39 __u32 nr_maps;40 int log_level;41 int error;42 struct ksym_relo_desc *relos;43 int relo_cnt;44 struct bpf_core_relo *core_relos;45 int core_relo_cnt;46 char attach_target[128];47 int attach_kind;48 struct ksym_desc *ksyms;49 __u32 nr_ksyms;50 int fd_array;51 int nr_fd_array;52};53 54void bpf_gen__init(struct bpf_gen *gen, int log_level, int nr_progs, int nr_maps);55int bpf_gen__finish(struct bpf_gen *gen, int nr_progs, int nr_maps);56void bpf_gen__free(struct bpf_gen *gen);57void bpf_gen__load_btf(struct bpf_gen *gen, const void *raw_data, __u32 raw_size);58void bpf_gen__map_create(struct bpf_gen *gen,59 enum bpf_map_type map_type, const char *map_name,60 __u32 key_size, __u32 value_size, __u32 max_entries,61 struct bpf_map_create_opts *map_attr, int map_idx);62void bpf_gen__prog_load(struct bpf_gen *gen,63 enum bpf_prog_type prog_type, const char *prog_name,64 const char *license, struct bpf_insn *insns, size_t insn_cnt,65 struct bpf_prog_load_opts *load_attr, int prog_idx);66void bpf_gen__map_update_elem(struct bpf_gen *gen, int map_idx, void *value, __u32 value_size);67void bpf_gen__map_freeze(struct bpf_gen *gen, int map_idx);68void bpf_gen__record_attach_target(struct bpf_gen *gen, const char *name, enum bpf_attach_type type);69void bpf_gen__record_extern(struct bpf_gen *gen, const char *name, bool is_weak,70 bool is_typeless, bool is_ld64, int kind, int insn_idx);71void bpf_gen__record_relo_core(struct bpf_gen *gen, const struct bpf_core_relo *core_relo);72void bpf_gen__populate_outer_map(struct bpf_gen *gen, int outer_map_idx, int key, int inner_map_idx);73 74#endif75