mirror of
https://github.com/dart-lang/sdk
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dcdfcc2b8d
This reverts commit1800039c2a
. The changesfd2e9b9f1a
andc20f9eaf6f
are relanded as is. Reason for revert was fixed separately in https://dart-review.googlesource.com/c/sdk/+/341621 TEST=ci CoreLibraryReviewExempt: Implementation change only. Issue: https://github.com/dart-lang/sdk/issues/54172 Issue: https://github.com/dart-lang/sdk/issues/39692 Change-Id: I1a2324768502e5ffbce328127938c0d3c96c38ba Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/341642 Reviewed-by: Siva Annamalai <asiva@google.com> Commit-Queue: Alexander Markov <alexmarkov@google.com>
165 lines
5.6 KiB
C++
165 lines
5.6 KiB
C++
// 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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#include "include/dart_api.h"
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#include "include/dart_api_dl.h"
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#include "include/dart_version.h"
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#include "include/internal/dart_api_dl_impl.h"
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#include "platform/globals.h"
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#include "vm/bootstrap_natives.h"
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#include "vm/exceptions.h"
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#include "vm/flags.h"
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#include "vm/heap/gc_shared.h"
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#include "vm/log.h"
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#include "vm/native_arguments.h"
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#include "vm/native_entry.h"
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#include "vm/object.h"
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#include "vm/object_store.h"
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#include "vm/symbols.h"
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#if !defined(DART_PRECOMPILED_RUNTIME)
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#include "vm/compiler/assembler/assembler.h"
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#include "vm/compiler/ffi/callback.h"
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#include "vm/compiler/ffi/marshaller.h"
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#include "vm/compiler/jit/compiler.h"
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#endif // !defined(DART_PRECOMPILED_RUNTIME)
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namespace dart {
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DEFINE_NATIVE_ENTRY(Ffi_createNativeCallableListener, 1, 2) {
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const auto& send_function =
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Function::CheckedHandle(zone, arguments->NativeArg0());
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const auto& port =
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ReceivePort::CheckedHandle(zone, arguments->NativeArgAt(1));
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return Pointer::New(
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isolate->CreateAsyncFfiCallback(zone, send_function, port.Id()));
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}
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DEFINE_NATIVE_ENTRY(Ffi_createNativeCallableIsolateLocal, 1, 3) {
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const auto& trampoline =
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Function::CheckedHandle(zone, arguments->NativeArg0());
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const auto& target = Closure::CheckedHandle(zone, arguments->NativeArgAt(1));
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const bool keep_isolate_alive =
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Bool::CheckedHandle(zone, arguments->NativeArgAt(2)).value();
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return Pointer::New(isolate->CreateIsolateLocalFfiCallback(
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zone, trampoline, target, keep_isolate_alive));
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}
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DEFINE_NATIVE_ENTRY(Ffi_deleteNativeCallable, 1, 1) {
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const auto& pointer = Pointer::CheckedHandle(zone, arguments->NativeArg0());
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isolate->DeleteFfiCallback(pointer.NativeAddress());
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return Object::null();
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}
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DEFINE_NATIVE_ENTRY(Ffi_updateNativeCallableKeepIsolateAliveCounter, 1, 1) {
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const int64_t delta =
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Integer::CheckedHandle(zone, arguments->NativeArg0()).AsInt64Value();
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isolate->UpdateNativeCallableKeepIsolateAliveCounter(delta);
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return Object::null();
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}
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DEFINE_NATIVE_ENTRY(DartNativeApiFunctionPointer, 0, 1) {
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GET_NON_NULL_NATIVE_ARGUMENT(String, name_dart, arguments->NativeArgAt(0));
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const char* name = name_dart.ToCString();
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#define RETURN_FUNCTION_ADDRESS(function_name, R, A) \
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if (strcmp(name, #function_name) == 0) { \
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return Integer::New(reinterpret_cast<intptr_t>(function_name)); \
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}
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DART_NATIVE_API_DL_SYMBOLS(RETURN_FUNCTION_ADDRESS)
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#undef RETURN_FUNCTION_ADDRESS
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const String& error = String::Handle(
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String::NewFormatted("Unknown dart_native_api.h symbol: %s.", name));
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Exceptions::ThrowArgumentError(error);
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}
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DEFINE_NATIVE_ENTRY(DartApiDLMajorVersion, 0, 0) {
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return Integer::New(DART_API_DL_MAJOR_VERSION);
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}
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DEFINE_NATIVE_ENTRY(DartApiDLMinorVersion, 0, 0) {
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return Integer::New(DART_API_DL_MINOR_VERSION);
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}
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static const DartApiEntry dart_api_entries[] = {
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#define ENTRY(name, R, A) \
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DartApiEntry{#name, reinterpret_cast<void (*)()>(name)},
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DART_API_ALL_DL_SYMBOLS(ENTRY)
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#undef ENTRY
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DartApiEntry{nullptr, nullptr}};
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static const DartApi dart_api_data = {
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DART_API_DL_MAJOR_VERSION, DART_API_DL_MINOR_VERSION, dart_api_entries};
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DEFINE_NATIVE_ENTRY(DartApiDLInitializeData, 0, 0) {
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return Integer::New(reinterpret_cast<intptr_t>(&dart_api_data));
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}
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DEFINE_FFI_NATIVE_ENTRY(FinalizerEntry_SetExternalSize,
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void,
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(Dart_Handle entry_handle, intptr_t external_size)) {
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Thread* const thread = Thread::Current();
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TransitionNativeToVM transition(thread);
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Zone* const zone = thread->zone();
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const auto& entry_object =
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Object::Handle(zone, Api::UnwrapHandle(entry_handle));
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const auto& entry = FinalizerEntry::Cast(entry_object);
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Heap::Space space;
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intptr_t external_size_diff;
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{
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NoSafepointScope no_safepoint;
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space = SpaceForExternal(entry.ptr());
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const intptr_t external_size_old = entry.external_size();
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if (FLAG_trace_finalizers) {
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THR_Print("Setting external size from %" Pd " to %" Pd
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" bytes in %s space\n",
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external_size_old, external_size, space == 0 ? "new" : "old");
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}
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external_size_diff = external_size - external_size_old;
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if (external_size_diff == 0) {
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return;
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}
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entry.set_external_size(external_size);
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}
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// The next call cannot be in safepoint.
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if (external_size_diff > 0) {
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if (!thread->isolate_group()->heap()->AllocatedExternal(external_size_diff,
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space)) {
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Exceptions::ThrowOOM();
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}
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} else {
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thread->isolate_group()->heap()->FreedExternal(-external_size_diff, space);
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}
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};
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namespace {
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struct AsTypedListFinalizerData {
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void (*callback)(void*);
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void* token;
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};
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} // namespace
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DEFINE_FFI_NATIVE_ENTRY(Pointer_asTypedListFinalizerAllocateData, void*, ()) {
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auto* result = malloc(sizeof(AsTypedListFinalizerData));
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// Initialized with FFI stores.
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MSAN_UNPOISON(result, sizeof(AsTypedListFinalizerData));
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return result;
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};
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void AsTypedListFinalizerCallback(void* peer) {
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const auto* data = reinterpret_cast<AsTypedListFinalizerData*>(peer);
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data->callback(data->token);
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free(peer);
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}
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DEFINE_FFI_NATIVE_ENTRY(Pointer_asTypedListFinalizerCallbackPointer,
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void*,
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()) {
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return reinterpret_cast<void*>(&AsTypedListFinalizerCallback);
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};
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} // namespace dart
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