Samir Jindel
e64738ffbc
Change-Id: I6be84f24f0ac245ba176748e4a3ec1ba782798ce Cq-Include-Trybots: luci.dart.try:vm-kernel-win-debug-x64-try,vm-kernel-mac-debug-x64-try,vm-ffi-android-debug-arm-try Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/113687 Commit-Queue: Samir Jindel <sjindel@google.com> Reviewed-by: Daco Harkes <dacoharkes@google.com>
59 lines
1.7 KiB
Dart
59 lines
1.7 KiB
Dart
// Copyright (c) 2019, 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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// All imports must be in all FFI patch files to not depend on the order
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// the patches are applied.
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import "dart:_internal" show patch;
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import 'dart:typed_data' show TypedData;
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DynamicLibrary _open(String name) native "Ffi_dl_open";
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DynamicLibrary _processLibrary() native "Ffi_dl_processLibrary";
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DynamicLibrary _executableLibrary() native "Ffi_dl_executableLibrary";
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@patch
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@pragma("vm:entry-point")
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class DynamicLibrary {
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@patch
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factory DynamicLibrary.open(String name) {
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return _open(name);
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}
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@patch
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factory DynamicLibrary.process() => _processLibrary();
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@patch
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factory DynamicLibrary.executable() => _executableLibrary();
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@patch
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Pointer<T> lookup<T extends NativeType>(String symbolName)
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native "Ffi_dl_lookup";
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// The real implementation of this function lives in FfiUseSitesTransformer
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// for interface calls. Only dynamic calls (which are illegal) reach this
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// implementation.
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@patch
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F lookupFunction<T extends Function, F extends Function>(String symbolName) {
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throw UnsupportedError(
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"Dynamic invocation of lookupFunction is not supported.");
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}
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// TODO(dacoharkes): Expose this to users, or extend Pointer?
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// https://github.com/dart-lang/sdk/issues/35881
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int getHandle() native "Ffi_dl_getHandle";
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@patch
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bool operator ==(other) {
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if (other == null) return false;
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return getHandle() == other.getHandle();
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}
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@patch
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int get hashCode {
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return getHandle().hashCode;
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}
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@patch
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Pointer<Void> get handle => Pointer.fromAddress(getHandle());
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}
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