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| 1 // Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2011, 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/runtime_entry.h" | 5 #include "vm/runtime_entry.h" |
| 6 | 6 |
| 7 #include "vm/object.h" | 7 #include "vm/object.h" |
| 8 #include "vm/symbols.h" | 8 #include "vm/symbols.h" |
| 9 #include "vm/verifier.h" | 9 #include "vm/verifier.h" |
| 10 | 10 |
| 11 namespace dart { | 11 namespace dart { |
| 12 | 12 |
| 13 DECLARE_RUNTIME_ENTRY(TestSmiSub) | |
| 14 DECLARE_LEAF_RUNTIME_ENTRY(RawObject*, TestLeafSmiAdd, RawObject*, RawObject*) | |
| 15 | |
| 16 | 13 |
| 17 // Add function to a class and that class to the class dictionary so that | 14 // Add function to a class and that class to the class dictionary so that |
| 18 // frame walking can be used. | 15 // frame walking can be used. |
| 19 const Function& RegisterFakeFunction(const char* name, const Code& code) { | 16 const Function& RegisterFakeFunction(const char* name, const Code& code) { |
| 20 const String& class_name = String::Handle(Symbols::New("ownerClass")); | 17 const String& class_name = String::Handle(Symbols::New("ownerClass")); |
| 21 const Script& script = Script::Handle(); | 18 const Script& script = Script::Handle(); |
| 22 const Class& owner_class = | 19 const Class& owner_class = |
| 23 Class::Handle(Class::New(class_name, script, Scanner::kNoSourcePos)); | 20 Class::Handle(Class::New(class_name, script, Scanner::kNoSourcePos)); |
| 24 const String& function_name = String::ZoneHandle(Symbols::New(name)); | 21 const String& function_name = String::ZoneHandle(Symbols::New(name)); |
| 25 const Function& function = Function::ZoneHandle( | 22 const Function& function = Function::ZoneHandle( |
| 26 Function::New(function_name, RawFunction::kRegularFunction, | 23 Function::New(function_name, RawFunction::kRegularFunction, |
| 27 true, false, false, false, false, owner_class, 0)); | 24 true, false, false, false, false, owner_class, 0)); |
| 28 const Array& functions = Array::Handle(Array::New(1)); | 25 const Array& functions = Array::Handle(Array::New(1)); |
| 29 functions.SetAt(0, function); | 26 functions.SetAt(0, function); |
| 30 owner_class.SetFunctions(functions); | 27 owner_class.SetFunctions(functions); |
| 31 Library& lib = Library::Handle(Library::CoreLibrary()); | 28 Library& lib = Library::Handle(Library::CoreLibrary()); |
| 32 lib.AddClass(owner_class); | 29 lib.AddClass(owner_class); |
| 33 function.AttachCode(code); | 30 function.AttachCode(code); |
| 34 return function; | 31 return function; |
| 35 } | 32 } |
| 36 | 33 |
| 37 | |
| 38 // A runtime call for test purposes. | |
| 39 // Arg0: a smi. | |
| 40 // Arg1: a smi. | |
| 41 // Result: a smi representing arg0 - arg1. | |
| 42 DEFINE_RUNTIME_ENTRY(TestSmiSub, 2) { | |
| 43 const Smi& left = Smi::CheckedHandle(arguments.ArgAt(0)); | |
| 44 const Smi& right = Smi::CheckedHandle(arguments.ArgAt(1)); | |
| 45 // Ignoring overflow in the calculation below. | |
| 46 intptr_t result = left.Value() - right.Value(); | |
| 47 arguments.SetReturn(Smi::Handle(Smi::New(result))); | |
| 48 } | |
| 49 | |
| 50 | |
| 51 // A leaf runtime call for test purposes. | |
| 52 // arg0: a smi. | |
| 53 // arg1: a smi. | |
| 54 // returns a smi representing arg0 + arg1. | |
| 55 DEFINE_LEAF_RUNTIME_ENTRY(RawObject*, TestLeafSmiAdd, 2, | |
| 56 RawObject* arg0, RawObject* arg1) { | |
| 57 // Ignoring overflow in the calculation below and using the internal | |
| 58 // representation of Smi directly without using any handlized code. | |
| 59 intptr_t result = reinterpret_cast<intptr_t>(arg0) + | |
| 60 reinterpret_cast<intptr_t>(arg1); | |
| 61 return reinterpret_cast<RawObject*>(result); | |
| 62 } | |
| 63 END_LEAF_RUNTIME_ENTRY | |
| 64 | |
| 65 } // namespace dart | 34 } // namespace dart |
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