77643dbef6
and extended the instanceof test case. Review URL: http://codereview.chromium.org/6341 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@470 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
141 lines
4.4 KiB
C++
141 lines
4.4 KiB
C++
// Copyright 2006-2008 the V8 project authors. All rights reserved.
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following
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// disclaimer in the documentation and/or other materials provided
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// with the distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#include "v8.h"
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#include "bootstrapper.h"
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#include "code-stubs.h"
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#include "factory.h"
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#include "macro-assembler.h"
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namespace v8 { namespace internal {
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Handle<Code> CodeStub::GetCode() {
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uint32_t key = GetKey();
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int index = Heap::code_stubs()->FindNumberEntry(key);
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if (index == -1) {
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HandleScope scope;
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// Update the static counter each time a new code stub is generated.
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Counters::code_stubs.Increment();
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// Generate the new code.
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MacroAssembler masm(NULL, 256);
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// Nested stubs are not allowed for leafs.
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masm.set_allow_stub_calls(AllowsStubCalls());
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// Generate the code for the stub.
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masm.set_generating_stub(true);
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Generate(&masm);
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// Create the code object.
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CodeDesc desc;
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masm.GetCode(&desc);
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// Copy the generated code into a heap object, and store the major key.
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Code::Flags flags = Code::ComputeFlags(Code::STUB);
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Handle<Code> code = Factory::NewCode(desc, NULL, flags);
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code->set_major_key(MajorKey());
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// Add unresolved entries in the code to the fixup list.
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Bootstrapper::AddFixup(*code, &masm);
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LOG(CodeCreateEvent("Stub", *code, GetName()));
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Counters::total_stubs_code_size.Increment(code->instruction_size());
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#ifdef DEBUG
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if (FLAG_print_code_stubs) {
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Print();
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code->Print();
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PrintF("\n");
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}
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#endif
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// Update the dictionary and the root in Heap.
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Handle<Dictionary> dict =
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Factory::DictionaryAtNumberPut(Handle<Dictionary>(Heap::code_stubs()),
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key,
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code);
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Heap::set_code_stubs(*dict);
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index = Heap::code_stubs()->FindNumberEntry(key);
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}
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ASSERT(index != -1);
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return Handle<Code>(Code::cast(Heap::code_stubs()->ValueAt(index)));
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}
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const char* CodeStub::MajorName(CodeStub::Major major_key) {
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switch (major_key) {
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case CallFunction:
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return "CallFunction";
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case GenericBinaryOp:
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return "GenericBinaryOp";
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case SmiOp:
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return "SmiOp";
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case Compare:
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return "Compare";
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case RecordWrite:
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return "RecordWrite";
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case StackCheck:
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return "StackCheck";
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case UnarySub:
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return "UnarySub";
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case RevertToNumber:
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return "RevertToNumber";
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case ToBoolean:
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return "ToBoolean";
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case Instanceof:
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return "Instanceof";
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case CounterOp:
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return "CounterOp";
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case ArgumentsAccess:
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return "ArgumentsAccess";
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case Runtime:
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return "Runtime";
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case CEntry:
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return "CEntry";
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case JSEntry:
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return "JSEntry";
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case GetProperty:
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return "GetProperty";
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case SetProperty:
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return "SetProperty";
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case InvokeBuiltin:
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return "InvokeBuiltin";
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case JSExit:
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return "JSExit";
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default:
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UNREACHABLE();
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return NULL;
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}
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}
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} } // namespace v8::internal
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