61 lines
1.6 KiB
C++
61 lines
1.6 KiB
C++
/*
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* Copyright (C) 2020 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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#include <dlfcn.h>
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#include "chre/platform/assert.h"
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#include "chre/platform/shared/nanoapp_loader.h"
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#include "chre/util/unique_ptr.h"
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void *dlopenbuf(void *elfBinary, bool mapIntoTcm) {
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return chre::NanoappLoader::create(elfBinary, mapIntoTcm);
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}
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void *dlsym(void *handle, const char *symbol) {
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LOGV("Attempting to find %s", symbol);
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void *resolvedSymbol = nullptr;
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if (handle == RTLD_NEXT) {
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resolvedSymbol = chre::NanoappLoader::findExportedSymbol(symbol);
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} else if (handle != nullptr) {
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auto *loader = reinterpret_cast<chre::NanoappLoader *>(handle);
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resolvedSymbol = loader->findSymbolByName(symbol);
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}
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if (resolvedSymbol == nullptr) {
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LOGE("dlsym unable to resolve %s", symbol);
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} else {
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LOGV("Found symbol at %p", resolvedSymbol);
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}
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return resolvedSymbol;
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}
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int dlclose(void *handle) {
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int rv = -1;
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if (handle != nullptr) {
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chre::NanoappLoader::destroy(static_cast<chre::NanoappLoader *>(handle));
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rv = 0;
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}
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return rv;
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}
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const char *dlerror() {
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return "Shared library load failed";
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}
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