d836ab005a
An app should be able to make cross-arch calls to different apps
via other app's Context.getClassLoader()
Bug: 32542970
Test: Boot fugu. Check that there are no linker-namespace
related errors in the log.
Change-Id: I1593f4688bcde0121a5e24a707441a4935fa7dc4
120 lines
4 KiB
C++
120 lines
4 KiB
C++
/*
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* Copyright (C) 2016 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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// A dummy implementation of the native-bridge interface.
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#include "nativebridge/native_bridge.h"
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#include <signal.h>
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// NativeBridgeCallbacks implementations
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extern "C" bool native_bridge3_initialize(
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const android::NativeBridgeRuntimeCallbacks* /* art_cbs */,
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const char* /* app_code_cache_dir */,
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const char* /* isa */) {
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return true;
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}
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extern "C" void* native_bridge3_loadLibrary(const char* /* libpath */, int /* flag */) {
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return nullptr;
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}
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extern "C" void* native_bridge3_getTrampoline(void* /* handle */, const char* /* name */,
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const char* /* shorty */, uint32_t /* len */) {
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return nullptr;
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}
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extern "C" bool native_bridge3_isSupported(const char* /* libpath */) {
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return false;
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}
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extern "C" const struct android::NativeBridgeRuntimeValues* native_bridge3_getAppEnv(
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const char* /* abi */) {
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return nullptr;
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}
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extern "C" bool native_bridge3_isCompatibleWith(uint32_t version) {
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// For testing, allow 1-3, but disallow 4+.
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return version <= 3;
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}
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static bool native_bridge3_dummy_signal_handler(int, siginfo_t*, void*) {
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// TODO: Implement something here. We'd either have to have a death test with a log here, or
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// we'd have to be able to resume after the faulting instruction...
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return true;
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}
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extern "C" android::NativeBridgeSignalHandlerFn native_bridge3_getSignalHandler(int signal) {
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if (signal == SIGSEGV) {
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return &native_bridge3_dummy_signal_handler;
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}
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return nullptr;
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}
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extern "C" int native_bridge3_unloadLibrary(void* /* handle */) {
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return 0;
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}
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extern "C" const char* native_bridge3_getError() {
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return nullptr;
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}
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extern "C" bool native_bridge3_isPathSupported(const char* /* path */) {
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return true;
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}
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extern "C" bool native_bridge3_initNamespace(const char* /* public_ns_sonames */,
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const char* /* anon_ns_library_path */) {
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return true;
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}
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extern "C" android::native_bridge_namespace_t*
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native_bridge3_createNamespace(const char* /* name */,
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const char* /* ld_library_path */,
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const char* /* default_library_path */,
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uint64_t /* type */,
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const char* /* permitted_when_isolated_path */,
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android::native_bridge_namespace_t* /* parent_ns */) {
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return nullptr;
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}
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extern "C" void* native_bridge3_loadLibraryExt(const char* /* libpath */,
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int /* flag */,
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android::native_bridge_namespace_t* /* ns */) {
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return nullptr;
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}
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android::NativeBridgeCallbacks NativeBridgeItf {
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// v1
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.version = 3,
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.initialize = &native_bridge3_initialize,
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.loadLibrary = &native_bridge3_loadLibrary,
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.getTrampoline = &native_bridge3_getTrampoline,
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.isSupported = &native_bridge3_isSupported,
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.getAppEnv = &native_bridge3_getAppEnv,
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// v2
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.isCompatibleWith = &native_bridge3_isCompatibleWith,
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.getSignalHandler = &native_bridge3_getSignalHandler,
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// v3
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.unloadLibrary = &native_bridge3_unloadLibrary,
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.getError = &native_bridge3_getError,
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.isPathSupported = &native_bridge3_isPathSupported,
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.initNamespace = &native_bridge3_initNamespace,
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.createNamespace = &native_bridge3_createNamespace,
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.loadLibraryExt = &native_bridge3_loadLibraryExt
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};
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