blob: a64234a2b78fa1382a9edd54c38d79040bc0e15b [file] [log] [blame]
// Copyright 2019 The Cobalt Authors. All Rights Reserved.
//
// 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 "starboard/elf_loader/elf_loader_sys_impl.h"
#include <dlfcn.h>
#include "starboard/common/log.h"
#include "starboard/elf_loader/exported_symbols.h"
namespace starboard {
namespace elf_loader {
ElfLoaderImpl::ElfLoaderImpl() {}
bool ElfLoaderImpl::Load(const char* name,
bool use_compression,
bool use_memory_mapped_file) {
SB_LOG(INFO) << "Loading: " << name;
// Creating the instance forces the binary to keep all the symbols.
ExportedSymbols symbols;
handle_ = dlopen(name, RTLD_NOW);
if (!handle_) {
SB_LOG(ERROR) << "dlopen failure: " << dlerror();
return false;
}
return true;
}
void* ElfLoaderImpl::LookupSymbol(const char* symbol) {
if (handle_) {
void* p = dlsym(handle_, symbol);
if (!p) {
SB_LOG(ERROR) << "dlsym failure: " << dlerror();
}
return p;
}
return NULL;
}
ElfLoaderImpl::~ElfLoaderImpl() {
if (handle_) {
dlclose(handle_);
}
}
} // namespace elf_loader
} // namespace starboard