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-rw-r--r--src/bpf_gen_internal.h72
1 files changed, 72 insertions, 0 deletions
diff --git a/src/bpf_gen_internal.h b/src/bpf_gen_internal.h
new file mode 100644
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+++ b/src/bpf_gen_internal.h
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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;
+ 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, 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