srdjan@google.com
d525130469
Review URL: http://codereview.chromium.org//8972005 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@2548 260f80e4-7a28-3924-810f-c04153c831b5
128 lines
4.2 KiB
C++
128 lines
4.2 KiB
C++
// Copyright (c) 2011, 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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#ifndef VM_CODE_GENERATOR_H_
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#define VM_CODE_GENERATOR_H_
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#include "vm/globals.h"
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#include "vm/runtime_entry.h"
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#if defined(TARGET_ARCH_IA32)
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#include "vm/code_generator_ia32.h"
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#elif defined(TARGET_ARCH_X64)
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#include "vm/code_generator_x64.h"
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#elif defined(TARGET_ARCH_ARM)
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#include "vm/code_generator_arm.h"
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#else
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#error Unknown architecture.
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#endif
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namespace dart {
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// Declaration of runtime entries called from stub or generated code.
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DECLARE_RUNTIME_ENTRY(AllocateArray);
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DECLARE_RUNTIME_ENTRY(AllocateClosure);
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DECLARE_RUNTIME_ENTRY(AllocateImplicitInstanceClosure);
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DECLARE_RUNTIME_ENTRY(AllocateImplicitStaticClosure);
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DECLARE_RUNTIME_ENTRY(AllocateContext);
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DECLARE_RUNTIME_ENTRY(AllocateObject);
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DECLARE_RUNTIME_ENTRY(BreakpointStaticHandler);
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DECLARE_RUNTIME_ENTRY(BreakpointDynamicHandler);
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DECLARE_RUNTIME_ENTRY(CloneContext);
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DECLARE_RUNTIME_ENTRY(ClosureArgumentMismatch);
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DECLARE_RUNTIME_ENTRY(Deoptimize);
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DECLARE_RUNTIME_ENTRY(FixCallersTarget);
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DECLARE_RUNTIME_ENTRY(InlineCacheMissHandlerOneArg);
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DECLARE_RUNTIME_ENTRY(InlineCacheMissHandlerTwoArgs);
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DECLARE_RUNTIME_ENTRY(Instanceof);
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DECLARE_RUNTIME_ENTRY(InstantiateTypeArguments);
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DECLARE_RUNTIME_ENTRY(InvokeImplicitClosureFunction);
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DECLARE_RUNTIME_ENTRY(InvokeNoSuchMethodFunction);
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DECLARE_RUNTIME_ENTRY(OptimizeInvokedFunction);
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DECLARE_RUNTIME_ENTRY(PatchStaticCall);
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DECLARE_RUNTIME_ENTRY(ReportObjectNotClosure);
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DECLARE_RUNTIME_ENTRY(ResolveCompileInstanceFunction);
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DECLARE_RUNTIME_ENTRY(ResolveImplicitClosureFunction);
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DECLARE_RUNTIME_ENTRY(ResolveImplicitClosureThroughGetter);
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DECLARE_RUNTIME_ENTRY(ReThrow);
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DECLARE_RUNTIME_ENTRY(StackOverflow);
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DECLARE_RUNTIME_ENTRY(Throw);
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DECLARE_RUNTIME_ENTRY(TraceFunctionEntry);
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DECLARE_RUNTIME_ENTRY(TraceFunctionExit);
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enum DeoptReasonId {
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kDeoptUnknown,
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kDeoptIncrLocal,
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kDeoptIncrInstance,
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kDeoptIncrInstanceOneClass,
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kDeoptInstanceGetterSameTarget,
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kDeoptInstanceGetter,
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kDeoptStoreIndexed,
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kDeoptCheckedInstanceCallSmiOnly,
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kDeoptCheckedInstanceCallSmiFail,
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kDeoptCheckedInstanceCallCheckFail,
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kDeoptIntegerToDouble,
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kDeoptDoubleToDouble,
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kDeoptSmiBinaryOp,
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kDeoptMintBinaryOp,
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kDeoptDoubleBinaryOp,
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kDeoptInstanceSetterSameTarget,
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kDeoptInstanceSetter,
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kDeoptSmiEquality,
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kDeoptSmiCompareSmis,
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kDeoptSmiCompareAny,
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kDeoptEqualityNoFeedback,
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kDeoptEqualityClassCheck,
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kDeoptDoubleComparison,
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kDeoptLoadIndexedFixedArray,
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kDeoptLoadIndexedGrowableArray,
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kDeoptNoTypeFeedback,
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kDeoptSAR,
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kDeoptUnaryOp,
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};
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// This class wraps around the array RawClass::functions_cache_.
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// The structure of that array is specified by FunctionsCache::Entries.
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// The last entry in the array is always NULL, the lookup code can rely on
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// last entry being NULL to terminate its search.
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// The compiled functions are added sequentially (except for the last entry
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// being empty). Names of functions with variable number of arguments
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// can appear several times, once for each valid argument count.
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class FunctionsCache : public ValueObject {
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public:
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// Entries in the RawClass::functions_cache_. The size of initially allocated
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// functions_cache_ array is (kInitialSize * kNumEntries).
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enum Entries {
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kFunctionName = 0,
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kArgCount = 1,
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kNamedArgCount = 2,
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kFunction = 3,
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kNumEntries = 4
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};
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explicit FunctionsCache(const Class& cls) : class_(cls) {}
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void AddCompiledFunction(const Function& function,
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int num_arguments,
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int num_named_arguments);
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// This is a testing function, the lookup (will) occur inlined in stub code.
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RawCode* LookupCode(const String& function_name,
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int num_arguments,
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int num_named_arguments);
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private:
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static void EnterFunctionAt(int i,
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const Array& cache,
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const Function& function,
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int num_arguments,
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int num_named_arguments);
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const Class& class_;
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};
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} // namespace dart
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#endif // VM_CODE_GENERATOR_H_
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