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