d1d56d9891
This uses the fact that if a map stayed the same then the object still passes the type check. A new builtin is added to handle the API call in this case. Review URL: http://codereview.chromium.org/573003 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3825 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
103 lines
3.4 KiB
C
103 lines
3.4 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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#ifndef V8_MACRO_ASSEMBLER_H_
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#define V8_MACRO_ASSEMBLER_H_
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// Helper types to make boolean flag easier to read at call-site.
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enum InvokeFlag {
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CALL_FUNCTION,
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JUMP_FUNCTION
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};
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enum CodeLocation {
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IN_JAVASCRIPT,
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IN_JS_ENTRY,
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IN_C_ENTRY
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};
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enum HandlerType {
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TRY_CATCH_HANDLER,
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TRY_FINALLY_HANDLER,
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JS_ENTRY_HANDLER
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};
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// Flags used for the AllocateInNewSpace functions.
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enum AllocationFlags {
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// No special flags.
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NO_ALLOCATION_FLAGS = 0,
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// Return the pointer to the allocated already tagged as a heap object.
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TAG_OBJECT = 1 << 0,
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// The content of the result register already contains the allocation top in
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// new space.
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RESULT_CONTAINS_TOP = 1 << 1
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};
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// Invalid depth in prototype chain.
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const int kInvalidProtoDepth = -1;
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#if V8_TARGET_ARCH_IA32
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#include "assembler.h"
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#include "ia32/assembler-ia32.h"
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#include "ia32/assembler-ia32-inl.h"
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#include "code.h" // must be after assembler_*.h
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#include "ia32/macro-assembler-ia32.h"
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#elif V8_TARGET_ARCH_X64
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#include "assembler.h"
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#include "x64/assembler-x64.h"
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#include "x64/assembler-x64-inl.h"
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#include "code.h" // must be after assembler_*.h
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#include "x64/macro-assembler-x64.h"
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#elif V8_TARGET_ARCH_ARM
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#include "arm/constants-arm.h"
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#include "assembler.h"
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#ifdef V8_ARM_VARIANT_THUMB
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#include "arm/assembler-thumb2.h"
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#include "arm/assembler-thumb2-inl.h"
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#else
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#include "arm/assembler-arm.h"
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#include "arm/assembler-arm-inl.h"
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#endif
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#include "code.h" // must be after assembler_*.h
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#include "arm/macro-assembler-arm.h"
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#elif V8_TARGET_ARCH_MIPS
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#include "mips/constants-mips.h"
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#include "assembler.h"
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#include "mips/assembler-mips.h"
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#include "mips/assembler-mips-inl.h"
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#include "code.h" // must be after assembler_*.h
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#include "mips/macro-assembler-mips.h"
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#else
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#error Unsupported target architecture.
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#endif
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#endif // V8_MACRO_ASSEMBLER_H_
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