You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
80 lines
2.2 KiB
80 lines
2.2 KiB
/*
|
|
* Copyright (C) 2019 The Android Open Source Project
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
#include "nativebridge/native_bridge.h"
|
|
#define LOG_TAG "nativebridge"
|
|
|
|
#include <dlfcn.h>
|
|
#include <errno.h>
|
|
#include <string.h>
|
|
|
|
#include <log/log.h>
|
|
|
|
namespace android {
|
|
|
|
namespace {
|
|
|
|
void* GetLibHandle() {
|
|
static void* handle = dlopen("libnativebridge.so", RTLD_NOW);
|
|
LOG_FATAL_IF(handle == nullptr, "Failed to load libnativebridge.so: %s", dlerror());
|
|
return handle;
|
|
}
|
|
|
|
template <typename FuncPtr>
|
|
FuncPtr GetFuncPtr(const char* function_name) {
|
|
auto f = reinterpret_cast<FuncPtr>(dlsym(GetLibHandle(), function_name));
|
|
LOG_FATAL_IF(f == nullptr, "Failed to get address of %s: %s", function_name, dlerror());
|
|
return f;
|
|
}
|
|
|
|
#define GET_FUNC_PTR(name) GetFuncPtr<decltype(&(name))>(#name)
|
|
|
|
} // namespace
|
|
|
|
bool NeedsNativeBridge(const char* instruction_set) {
|
|
static auto f = GET_FUNC_PTR(NeedsNativeBridge);
|
|
return f(instruction_set);
|
|
}
|
|
|
|
bool PreInitializeNativeBridge(const char* app_data_dir, const char* instruction_set) {
|
|
static auto f = GET_FUNC_PTR(PreInitializeNativeBridge);
|
|
return f(app_data_dir, instruction_set);
|
|
}
|
|
|
|
bool NativeBridgeAvailable() {
|
|
static auto f = GET_FUNC_PTR(NativeBridgeAvailable);
|
|
return f();
|
|
}
|
|
|
|
bool NativeBridgeInitialized() {
|
|
static auto f = GET_FUNC_PTR(NativeBridgeInitialized);
|
|
return f();
|
|
}
|
|
|
|
void* NativeBridgeGetTrampoline(void* handle, const char* name, const char* shorty, uint32_t len) {
|
|
static auto f = GET_FUNC_PTR(NativeBridgeGetTrampoline);
|
|
return f(handle, name, shorty, len);
|
|
}
|
|
|
|
const char* NativeBridgeGetError() {
|
|
static auto f = GET_FUNC_PTR(NativeBridgeGetError);
|
|
return f();
|
|
}
|
|
|
|
#undef GET_FUNC_PTR
|
|
|
|
} // namespace android
|