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Setup development environment with libbpf

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h3xduck
2021-11-20 21:07:23 -05:00
parent 8e7fd92dc4
commit 53da2d141d
313 changed files with 563362 additions and 0 deletions
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65
external/libbpf-bootstrap/libbpf/src/bpf_gen_internal.h vendored Normal file
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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;
};
struct ksym_desc {
const char *name;
int ref;
int kind;
union {
/* used for kfunc */
int off;
/* used for typeless ksym */
bool typeless;
};
int insn;
};
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;
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, struct bpf_create_map_params *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, int kind, int insn_idx);
#endif