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| 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file |
| 2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
| 3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
| 4 | 4 |
| 5 #include "vm/bootstrap.h" | 5 #include "vm/bootstrap.h" |
| 6 | 6 |
| 7 #include "include/dart_api.h" | 7 #include "include/dart_api.h" |
| 8 | 8 |
| 9 #include "vm/bootstrap_natives.h" | 9 #include "vm/bootstrap_natives.h" |
| 10 #include "vm/dart_api_impl.h" | 10 #include "vm/dart_api_impl.h" |
| 11 #include "vm/object.h" | 11 #include "vm/object.h" |
| 12 #include "vm/object_store.h" | 12 #include "vm/object_store.h" |
| 13 #include "vm/service_isolate.h" | 13 #include "vm/service_isolate.h" |
| 14 | 14 |
| 15 namespace dart { | 15 namespace dart { |
| 16 | 16 |
| 17 // Helper macros for declaring and defining native entries. | 17 // Helper macros for declaring and defining native entries. |
| 18 #define REGISTER_NATIVE_ENTRY(name, count) \ | 18 #define REGISTER_NATIVE_ENTRY(name, count) \ |
| 19 {"" #name, BootstrapNatives::DN_##name, count}, | 19 {"" #name, BootstrapNatives::DN_##name, count}, |
| 20 | 20 |
| 21 | |
| 22 // List all native functions implemented in the vm or core bootstrap dart | 21 // List all native functions implemented in the vm or core bootstrap dart |
| 23 // libraries so that we can resolve the native function to it's entry | 22 // libraries so that we can resolve the native function to it's entry |
| 24 // point. | 23 // point. |
| 25 static struct NativeEntries { | 24 static struct NativeEntries { |
| 26 const char* name_; | 25 const char* name_; |
| 27 Dart_NativeFunction function_; | 26 Dart_NativeFunction function_; |
| 28 int argument_count_; | 27 int argument_count_; |
| 29 } BootStrapEntries[] = {BOOTSTRAP_NATIVE_LIST(REGISTER_NATIVE_ENTRY) | 28 } BootStrapEntries[] = {BOOTSTRAP_NATIVE_LIST(REGISTER_NATIVE_ENTRY) |
| 30 #if !defined(PRODUCT) && !defined(DART_PRECOMPILED_RUNTIME) | 29 #if !defined(PRODUCT) && !defined(DART_PRECOMPILED_RUNTIME) |
| 31 MIRRORS_BOOTSTRAP_NATIVE_LIST(REGISTER_NATIVE_ENTRY) | 30 MIRRORS_BOOTSTRAP_NATIVE_LIST(REGISTER_NATIVE_ENTRY) |
| 32 #endif // !PRODUCT && !DART_PRECOMPILED_RUNTIME | 31 #endif // !PRODUCT && !DART_PRECOMPILED_RUNTIME |
| 33 }; | 32 }; |
| 34 | 33 |
| 35 | |
| 36 Dart_NativeFunction BootstrapNatives::Lookup(Dart_Handle name, | 34 Dart_NativeFunction BootstrapNatives::Lookup(Dart_Handle name, |
| 37 int argument_count, | 35 int argument_count, |
| 38 bool* auto_setup_scope) { | 36 bool* auto_setup_scope) { |
| 39 const Object& obj = Object::Handle(Api::UnwrapHandle(name)); | 37 const Object& obj = Object::Handle(Api::UnwrapHandle(name)); |
| 40 if (!obj.IsString()) { | 38 if (!obj.IsString()) { |
| 41 return NULL; | 39 return NULL; |
| 42 } | 40 } |
| 43 ASSERT(auto_setup_scope); | 41 ASSERT(auto_setup_scope); |
| 44 *auto_setup_scope = false; | 42 *auto_setup_scope = false; |
| 45 const char* function_name = obj.ToCString(); | 43 const char* function_name = obj.ToCString(); |
| 46 ASSERT(function_name != NULL); | 44 ASSERT(function_name != NULL); |
| 47 int num_entries = sizeof(BootStrapEntries) / sizeof(struct NativeEntries); | 45 int num_entries = sizeof(BootStrapEntries) / sizeof(struct NativeEntries); |
| 48 for (int i = 0; i < num_entries; i++) { | 46 for (int i = 0; i < num_entries; i++) { |
| 49 struct NativeEntries* entry = &(BootStrapEntries[i]); | 47 struct NativeEntries* entry = &(BootStrapEntries[i]); |
| 50 if ((strcmp(function_name, entry->name_) == 0) && | 48 if ((strcmp(function_name, entry->name_) == 0) && |
| 51 (entry->argument_count_ == argument_count)) { | 49 (entry->argument_count_ == argument_count)) { |
| 52 return reinterpret_cast<Dart_NativeFunction>(entry->function_); | 50 return reinterpret_cast<Dart_NativeFunction>(entry->function_); |
| 53 } | 51 } |
| 54 } | 52 } |
| 55 return NULL; | 53 return NULL; |
| 56 } | 54 } |
| 57 | 55 |
| 58 | |
| 59 const uint8_t* BootstrapNatives::Symbol(Dart_NativeFunction* nf) { | 56 const uint8_t* BootstrapNatives::Symbol(Dart_NativeFunction* nf) { |
| 60 int num_entries = sizeof(BootStrapEntries) / sizeof(struct NativeEntries); | 57 int num_entries = sizeof(BootStrapEntries) / sizeof(struct NativeEntries); |
| 61 for (int i = 0; i < num_entries; i++) { | 58 for (int i = 0; i < num_entries; i++) { |
| 62 struct NativeEntries* entry = &(BootStrapEntries[i]); | 59 struct NativeEntries* entry = &(BootStrapEntries[i]); |
| 63 if (reinterpret_cast<Dart_NativeFunction*>(entry->function_) == nf) { | 60 if (reinterpret_cast<Dart_NativeFunction*>(entry->function_) == nf) { |
| 64 return reinterpret_cast<const uint8_t*>(entry->name_); | 61 return reinterpret_cast<const uint8_t*>(entry->name_); |
| 65 } | 62 } |
| 66 } | 63 } |
| 67 return NULL; | 64 return NULL; |
| 68 } | 65 } |
| 69 | 66 |
| 70 | |
| 71 void Bootstrap::SetupNativeResolver() { | 67 void Bootstrap::SetupNativeResolver() { |
| 72 Library& library = Library::Handle(); | 68 Library& library = Library::Handle(); |
| 73 | 69 |
| 74 Dart_NativeEntryResolver resolver = | 70 Dart_NativeEntryResolver resolver = |
| 75 reinterpret_cast<Dart_NativeEntryResolver>(BootstrapNatives::Lookup); | 71 reinterpret_cast<Dart_NativeEntryResolver>(BootstrapNatives::Lookup); |
| 76 | 72 |
| 77 Dart_NativeEntrySymbol symbol_resolver = | 73 Dart_NativeEntrySymbol symbol_resolver = |
| 78 reinterpret_cast<Dart_NativeEntrySymbol>(BootstrapNatives::Symbol); | 74 reinterpret_cast<Dart_NativeEntrySymbol>(BootstrapNatives::Symbol); |
| 79 | 75 |
| 80 library = Library::AsyncLibrary(); | 76 library = Library::AsyncLibrary(); |
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| 133 ASSERT(!library.IsNull()); | 129 ASSERT(!library.IsNull()); |
| 134 library.set_native_entry_resolver(resolver); | 130 library.set_native_entry_resolver(resolver); |
| 135 library.set_native_entry_symbol_resolver(symbol_resolver); | 131 library.set_native_entry_symbol_resolver(symbol_resolver); |
| 136 | 132 |
| 137 library = Library::VMServiceLibrary(); | 133 library = Library::VMServiceLibrary(); |
| 138 ASSERT(!library.IsNull()); | 134 ASSERT(!library.IsNull()); |
| 139 library.set_native_entry_resolver(resolver); | 135 library.set_native_entry_resolver(resolver); |
| 140 library.set_native_entry_symbol_resolver(symbol_resolver); | 136 library.set_native_entry_symbol_resolver(symbol_resolver); |
| 141 } | 137 } |
| 142 | 138 |
| 143 | |
| 144 bool Bootstrap::IsBootstapResolver(Dart_NativeEntryResolver resolver) { | 139 bool Bootstrap::IsBootstapResolver(Dart_NativeEntryResolver resolver) { |
| 145 return (resolver == | 140 return (resolver == |
| 146 reinterpret_cast<Dart_NativeEntryResolver>(BootstrapNatives::Lookup)); | 141 reinterpret_cast<Dart_NativeEntryResolver>(BootstrapNatives::Lookup)); |
| 147 } | 142 } |
| 148 | 143 |
| 149 } // namespace dart | 144 } // namespace dart |
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