Files
sdk/runtime/bin/extensions_win.cc
T
Samir Jindel 362ef8e67c [vm/aot] Add a custom ELF loader in dart_precompiled_runtime.
Also switch some CQ bots using blobs to ELF. Once all embedders have migrated, we will remove blobs
support entirely.

Change-Id: Ie5e8c1187ad6c1af362b5715daafd3641bc8cc0e
Cq-Include-Trybots:luci.dart.try:vm-kernel-precomp-linux-debug-x64-try,vm-kernel-precomp-linux-release-simarm-try,vm-kernel-precomp-linux-release-simarm64-try,vm-kernel-precomp-bare-linux-release-simarm-try,vm-kernel-precomp-mac-debug-simarm_x64-try,vm-kernel-precomp-mac-release-simarm64-try,vm-kernel-precomp-win-release-x64-try,vm-kernel-precomp-android-release-arm-try
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/116620
Commit-Queue: Samir Jindel <sjindel@google.com>
Reviewed-by: Martin Kustermann <kustermann@google.com>
2019-09-24 15:03:19 +00:00

54 lines
1.4 KiB
C++

// Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
#include "platform/globals.h"
#if defined(HOST_OS_WINDOWS)
#include "bin/extensions.h"
#include "bin/utils.h"
#include "bin/utils_win.h"
#include "platform/assert.h"
namespace dart {
namespace bin {
void* Extensions::LoadExtensionLibrary(const char* library_file) {
SetLastError(0);
// Convert to wchar_t string.
int name_len = MultiByteToWideChar(CP_UTF8, 0, library_file, -1, NULL, 0);
wchar_t* name;
name = new wchar_t[name_len];
MultiByteToWideChar(CP_UTF8, 0, library_file, -1, name, name_len);
void* ext = LoadLibraryW(name);
delete[] name;
return ext;
}
void* Extensions::ResolveSymbol(void* lib_handle, const char* symbol) {
SetLastError(0);
return GetProcAddress(reinterpret_cast<HMODULE>(lib_handle), symbol);
}
void Extensions::UnloadLibrary(void* lib_handle) {
SetLastError(0);
BOOL result = FreeLibrary(reinterpret_cast<HMODULE>(lib_handle));
ASSERT(result);
}
Dart_Handle Extensions::GetError() {
int last_error = GetLastError();
if (last_error != 0) {
OSError err;
return Dart_NewApiError(err.message());
}
return Dart_Null();
}
} // namespace bin
} // namespace dart
#endif // defined(HOST_OS_WINDOWS)