mirror of
https://github.com/klzgrad/naiveproxy.git
synced 2024-11-28 08:16:09 +03:00
88 lines
2.7 KiB
C++
88 lines
2.7 KiB
C++
|
// Copyright 2018 The Chromium Authors. All rights reserved.
|
||
|
|
// Use of this source code is governed by a BSD-style license that can be
|
||
|
|
// found in the LICENSE file.
|
||
|
|
|
||
|
|
#include "base/native_library.h"
|
||
|
|
|
||
|
|
#include <fcntl.h>
|
||
|
|
#include <lib/fdio/io.h>
|
||
|
|
#include <lib/zx/vmo.h>
|
||
|
|
#include <stdio.h>
|
||
|
|
#include <zircon/dlfcn.h>
|
||
|
|
#include <zircon/status.h>
|
||
|
|
#include <zircon/syscalls.h>
|
||
|
|
|
||
|
|
#include "base/base_paths_fuchsia.h"
|
||
|
|
#include "base/files/file.h"
|
||
|
|
#include "base/files/file_path.h"
|
||
|
|
#include "base/fuchsia/fuchsia_logging.h"
|
||
|
|
#include "base/logging.h"
|
||
|
|
#include "base/path_service.h"
|
||
|
|
#include "base/posix/safe_strerror.h"
|
||
|
|
#include "base/strings/stringprintf.h"
|
||
|
|
#include "base/strings/utf_string_conversions.h"
|
||
|
|
#include "base/threading/thread_restrictions.h"
|
||
|
|
|
||
|
|
namespace base {
|
||
|
|
|
||
|
|
std::string NativeLibraryLoadError::ToString() const {
|
||
|
|
return message;
|
||
|
|
}
|
||
|
|
|
||
|
|
NativeLibrary LoadNativeLibraryWithOptions(const FilePath& library_path,
|
||
|
|
const NativeLibraryOptions& options,
|
||
|
|
NativeLibraryLoadError* error) {
|
||
|
|
std::vector<base::FilePath::StringType> components;
|
||
|
|
library_path.GetComponents(&components);
|
||
|
|
if (components.size() != 1u) {
|
||
|
|
NOTREACHED() << "library_path is a path, should be a filename: "
|
||
|
|
<< library_path.MaybeAsASCII();
|
||
|
|
return nullptr;
|
||
|
|
}
|
||
|
|
|
||
|
|
FilePath computed_path = base::GetPackageRoot();
|
||
|
|
computed_path = computed_path.AppendASCII("lib").Append(components[0]);
|
||
|
|
base::File library(computed_path,
|
||
|
|
base::File::FLAG_OPEN | base::File::FLAG_READ);
|
||
|
|
if (!library.IsValid()) {
|
||
|
|
if (error) {
|
||
|
|
error->message = base::StringPrintf(
|
||
|
|
"open library: %s",
|
||
|
|
base::File::ErrorToString(library.error_details()).c_str());
|
||
|
|
}
|
||
|
|
return nullptr;
|
||
|
|
}
|
||
|
|
|
||
|
|
zx::vmo vmo;
|
||
|
|
zx_status_t status = fdio_get_vmo_clone(library.GetPlatformFile(),
|
||
|
|
vmo.reset_and_get_address());
|
||
|
|
if (status != ZX_OK) {
|
||
|
|
if (error) {
|
||
|
|
error->message = base::StringPrintf("fdio_get_vmo_clone: %s",
|
||
|
|
zx_status_get_string(status));
|
||
|
|
}
|
||
|
|
return nullptr;
|
||
|
|
}
|
||
|
|
NativeLibrary result = dlopen_vmo(vmo.get(), RTLD_LAZY | RTLD_LOCAL);
|
||
|
|
return result;
|
||
|
|
}
|
||
|
|
|
||
|
|
void UnloadNativeLibrary(NativeLibrary library) {
|
||
|
|
// dlclose() is a no-op on Fuchsia, so do nothing here.
|
||
|
|
}
|
||
|
|
|
||
|
|
void* GetFunctionPointerFromNativeLibrary(NativeLibrary library,
|
||
|
|
StringPiece name) {
|
||
|
|
return dlsym(library, name.data());
|
||
|
|
}
|
||
|
|
|
||
|
|
std::string GetNativeLibraryName(StringPiece name) {
|
||
|
|
return base::StringPrintf("lib%s.so", name.as_string().c_str());
|
||
|
|
}
|
||
|
|
|
||
|
|
std::string GetLoadableModuleName(StringPiece name) {
|
||
|
|
return GetNativeLibraryName(name);
|
||
|
|
}
|
||
|
|
|
||
|
|
} // namespace base
|