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64 lines
2.2 KiB
C++
64 lines
2.2 KiB
C++
// Copyright (c) 2014, 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/globals.h"
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#if defined(TARGET_ARCH_ARM64)
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#include "vm/assembler.h"
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#include "vm/code_generator.h"
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#include "vm/code_patcher.h"
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#include "vm/dart_entry.h"
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#include "vm/instructions.h"
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#include "vm/native_entry.h"
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#include "vm/native_entry_test.h"
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#include "vm/stub_code.h"
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#include "vm/symbols.h"
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#include "vm/unit_test.h"
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namespace dart {
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#define __ assembler->
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ASSEMBLER_TEST_GENERATE(IcDataAccess, assembler) {
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Thread* thread = Thread::Current();
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const String& class_name = String::Handle(Symbols::New(thread, "ownerClass"));
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const Script& script = Script::Handle();
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const Class& owner_class = Class::Handle(Class::New(
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Library::Handle(), class_name, script, TokenPosition::kNoSource));
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const String& function_name =
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String::Handle(Symbols::New(thread, "callerFunction"));
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const Function& function = Function::Handle(Function::New(
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function_name, RawFunction::kRegularFunction, true, false, false, false,
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false, owner_class, TokenPosition::kNoSource));
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const String& target_name = String::Handle(String::New("targetFunction"));
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const Array& args_descriptor =
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Array::Handle(ArgumentsDescriptor::New(1, Object::null_array()));
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const ICData& ic_data = ICData::ZoneHandle(
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ICData::New(function, target_name, args_descriptor, 15, 1, false));
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// Code accessing pp is generated, but not executed. Uninitialized pp is OK.
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__ set_constant_pool_allowed(true);
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__ LoadObject(R5, ic_data);
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__ BranchLinkPatchable(*StubCode::OneArgCheckInlineCache_entry());
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__ ret();
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}
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ASSEMBLER_TEST_RUN(IcDataAccess, test) {
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uword end = test->payload_start() + test->code().Size();
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uword return_address = end - Instr::kInstrSize;
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ICData& ic_data = ICData::Handle();
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CodePatcher::GetInstanceCallAt(return_address, test->code(), &ic_data);
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EXPECT_STREQ("targetFunction",
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String::Handle(ic_data.target_name()).ToCString());
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EXPECT_EQ(1, ic_data.NumArgsTested());
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EXPECT_EQ(0, ic_data.NumberOfChecks());
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}
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} // namespace dart
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#endif // defined TARGET_ARCH_ARM64
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