mirror of
https://github.com/dart-lang/sdk
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145 lines
4.9 KiB
C++
145 lines
4.9 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 "vm/bootstrap.h"
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#include "include/dart_api.h"
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#include "vm/bootstrap_natives.h"
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#include "vm/dart_api_impl.h"
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#include "vm/object.h"
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#include "vm/object_store.h"
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#include "vm/service_isolate.h"
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namespace dart {
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// Helper macros for declaring and defining native entries.
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#define REGISTER_NATIVE_ENTRY(name, count) \
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{"" #name, BootstrapNatives::DN_##name, count},
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// List all native functions implemented in the vm or core bootstrap dart
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// libraries so that we can resolve the native function to it's entry
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// point.
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static struct NativeEntries {
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const char* name_;
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Dart_NativeFunction function_;
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int argument_count_;
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} BootStrapEntries[] = {BOOTSTRAP_NATIVE_LIST(REGISTER_NATIVE_ENTRY)
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#if !defined(DART_PRECOMPILED_RUNTIME)
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MIRRORS_BOOTSTRAP_NATIVE_LIST(REGISTER_NATIVE_ENTRY)
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#endif // !DART_PRECOMPILED_RUNTIME
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};
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Dart_NativeFunction BootstrapNatives::Lookup(Dart_Handle name,
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int argument_count,
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bool* auto_setup_scope) {
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const Object& obj = Object::Handle(Api::UnwrapHandle(name));
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if (!obj.IsString()) {
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return NULL;
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}
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ASSERT(auto_setup_scope);
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*auto_setup_scope = false;
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const char* function_name = obj.ToCString();
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ASSERT(function_name != NULL);
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int num_entries = sizeof(BootStrapEntries) / sizeof(struct NativeEntries);
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for (int i = 0; i < num_entries; i++) {
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struct NativeEntries* entry = &(BootStrapEntries[i]);
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if ((strcmp(function_name, entry->name_) == 0) &&
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(entry->argument_count_ == argument_count)) {
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return reinterpret_cast<Dart_NativeFunction>(entry->function_);
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}
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}
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return NULL;
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}
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const uint8_t* BootstrapNatives::Symbol(Dart_NativeFunction* nf) {
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int num_entries = sizeof(BootStrapEntries) / sizeof(struct NativeEntries);
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for (int i = 0; i < num_entries; i++) {
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struct NativeEntries* entry = &(BootStrapEntries[i]);
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if (reinterpret_cast<Dart_NativeFunction*>(entry->function_) == nf) {
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return reinterpret_cast<const uint8_t*>(entry->name_);
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}
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}
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return NULL;
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}
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void Bootstrap::SetupNativeResolver() {
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Library& library = Library::Handle();
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Dart_NativeEntryResolver resolver =
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reinterpret_cast<Dart_NativeEntryResolver>(BootstrapNatives::Lookup);
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Dart_NativeEntrySymbol symbol_resolver =
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reinterpret_cast<Dart_NativeEntrySymbol>(BootstrapNatives::Symbol);
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library = Library::AsyncLibrary();
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ASSERT(!library.IsNull());
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library.set_native_entry_resolver(resolver);
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library.set_native_entry_symbol_resolver(symbol_resolver);
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library = Library::CollectionLibrary();
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ASSERT(!library.IsNull());
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library.set_native_entry_resolver(resolver);
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library.set_native_entry_symbol_resolver(symbol_resolver);
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library = Library::ConvertLibrary();
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ASSERT(!library.IsNull());
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library.set_native_entry_resolver(resolver);
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library.set_native_entry_symbol_resolver(symbol_resolver);
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library = Library::CoreLibrary();
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ASSERT(!library.IsNull());
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library.set_native_entry_resolver(resolver);
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library.set_native_entry_symbol_resolver(symbol_resolver);
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library = Library::DeveloperLibrary();
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ASSERT(!library.IsNull());
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library.set_native_entry_resolver(resolver);
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library.set_native_entry_symbol_resolver(symbol_resolver);
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library = Library::InternalLibrary();
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ASSERT(!library.IsNull());
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library.set_native_entry_resolver(resolver);
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library.set_native_entry_symbol_resolver(symbol_resolver);
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library = Library::IsolateLibrary();
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ASSERT(!library.IsNull());
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library.set_native_entry_resolver(resolver);
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library.set_native_entry_symbol_resolver(symbol_resolver);
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library = Library::MathLibrary();
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ASSERT(!library.IsNull());
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library.set_native_entry_resolver(resolver);
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library.set_native_entry_symbol_resolver(symbol_resolver);
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#if !defined(DART_PRECOMPILED_RUNTIME)
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library = Library::MirrorsLibrary();
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ASSERT(!library.IsNull());
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library.set_native_entry_resolver(resolver);
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library.set_native_entry_symbol_resolver(symbol_resolver);
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#endif
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library = Library::ProfilerLibrary();
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ASSERT(!library.IsNull());
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library.set_native_entry_resolver(resolver);
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library.set_native_entry_symbol_resolver(symbol_resolver);
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library = Library::TypedDataLibrary();
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ASSERT(!library.IsNull());
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library.set_native_entry_resolver(resolver);
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library.set_native_entry_symbol_resolver(symbol_resolver);
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library = Library::VMServiceLibrary();
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ASSERT(!library.IsNull());
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library.set_native_entry_resolver(resolver);
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library.set_native_entry_symbol_resolver(symbol_resolver);
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}
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bool Bootstrap::IsBootstapResolver(Dart_NativeEntryResolver resolver) {
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return (resolver ==
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reinterpret_cast<Dart_NativeEntryResolver>(BootstrapNatives::Lookup));
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}
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} // namespace dart
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