Zachary Anderson
6cd8a79078
R=asiva@google.com Review-Url: https://codereview.chromium.org/2974233002 .
60 lines
1.7 KiB
C++
60 lines
1.7 KiB
C++
// Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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#include "platform/globals.h"
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#if defined(HOST_OS_WINDOWS)
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#include "bin/extensions.h"
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#include "bin/utils.h"
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#include "bin/utils_win.h"
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#include "platform/assert.h"
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namespace dart {
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namespace bin {
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const char* kVmSnapshotDataSymbolName = "_kDartVmSnapshotData";
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const char* kVmSnapshotInstructionsSymbolName = "_kDartVmSnapshotInstructions";
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const char* kIsolateSnapshotDataSymbolName = "_kDartIsolateSnapshotData";
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const char* kIsolateSnapshotInstructionsSymbolName =
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"_kDartIsolateSnapshotInstructions";
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void* Extensions::LoadExtensionLibrary(const char* library_file) {
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SetLastError(0);
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// Convert to wchar_t string.
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int name_len = MultiByteToWideChar(CP_UTF8, 0, library_file, -1, NULL, 0);
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wchar_t* name;
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name = new wchar_t[name_len];
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MultiByteToWideChar(CP_UTF8, 0, library_file, -1, name, name_len);
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void* ext = LoadLibraryW(name);
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delete[] name;
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return ext;
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}
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void* Extensions::ResolveSymbol(void* lib_handle, const char* symbol) {
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SetLastError(0);
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return GetProcAddress(reinterpret_cast<HMODULE>(lib_handle), symbol);
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}
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void Extensions::UnloadLibrary(void* lib_handle) {
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SetLastError(0);
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BOOL result = FreeLibrary(reinterpret_cast<HMODULE>(lib_handle));
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ASSERT(result);
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}
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Dart_Handle Extensions::GetError() {
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int last_error = GetLastError();
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if (last_error != 0) {
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OSError err;
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return Dart_NewApiError(err.message());
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}
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return Dart_Null();
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}
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} // namespace bin
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} // namespace dart
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#endif // defined(HOST_OS_WINDOWS)
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