android_system_bpf/loader/include/libbpf_android.h
Maciej Żenczykowski d689e6e01a bpfloader: refactor C++ loader to just one function
no need for the complexity, as it is only for vendor now

Test: TreeHugger
Signed-off-by: Maciej Żenczykowski <maze@google.com>
Change-Id: Ia807f7ee8aeca25d92e60e46f180ffe536eef87c
2025-06-17 04:18:41 -07:00

55 lines
1.4 KiB
C++

/*
* Copyright (C) 2018 The Android Open Source Project
* Android BPF library - public API
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#pragma once
#ifdef __cplusplus
#include <linux/bpf.h>
#include <fstream>
namespace android {
namespace bpf {
struct Location {
const char* const dir = "";
const char* const prefix = "";
const bpf_prog_type* allowedProgTypes = nullptr;
size_t allowedProgTypesLength = 0;
};
// BPF loader implementation. Loads an eBPF ELF object
int loadProg(const char* elfPath, bool* isCritical, const Location &location = {});
// Exposed for testing
unsigned int readSectionUint(const char* name, std::ifstream& elfFile, unsigned int defVal);
} // namespace bpf
} // namespace android
extern "C" {
#else // __cplusplus
#define __noreturn
#endif // __cplusplus
// The C++ portion of the BpfLoader is exposed as a terminal function.
__noreturn void vendorBpfLoader();
#ifdef __cplusplus
} // extern C
#endif