2009-05-25 18:29:02 +00:00
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// Copyright 2006-2009 the V8 project authors. All rights reserved.
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2008-07-03 15:10:15 +00:00
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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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2010-05-17 15:41:35 +00:00
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#if defined(V8_TARGET_ARCH_ARM)
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2008-07-03 15:10:15 +00:00
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#include "ic-inl.h"
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#include "codegen-inl.h"
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#include "stub-cache.h"
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2009-05-25 10:05:56 +00:00
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namespace v8 {
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namespace internal {
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2008-07-03 15:10:15 +00:00
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2009-04-21 13:42:12 +00:00
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#define __ ACCESS_MASM(masm)
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2008-07-03 15:10:15 +00:00
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static void ProbeTable(MacroAssembler* masm,
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Code::Flags flags,
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StubCache::Table table,
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Register name,
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Register offset) {
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ExternalReference key_offset(SCTableReference::keyReference(table));
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ExternalReference value_offset(SCTableReference::valueReference(table));
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Label miss;
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// Save the offset on the stack.
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__ push(offset);
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// Check that the key in the entry matches the name.
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__ mov(ip, Operand(key_offset));
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__ ldr(ip, MemOperand(ip, offset, LSL, 1));
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2010-04-26 11:41:39 +00:00
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__ cmp(name, ip);
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2008-07-03 15:10:15 +00:00
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__ b(ne, &miss);
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// Get the code entry from the cache.
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__ mov(ip, Operand(value_offset));
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__ ldr(offset, MemOperand(ip, offset, LSL, 1));
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// Check that the flags match what we're looking for.
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__ ldr(offset, FieldMemOperand(offset, Code::kFlagsOffset));
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2009-05-25 18:29:02 +00:00
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__ and_(offset, offset, Operand(~Code::kFlagsNotUsedInLookup));
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2008-07-03 15:10:15 +00:00
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__ cmp(offset, Operand(flags));
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__ b(ne, &miss);
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// Restore offset and re-load code entry from cache.
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__ pop(offset);
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__ mov(ip, Operand(value_offset));
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__ ldr(offset, MemOperand(ip, offset, LSL, 1));
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// Jump to the first instruction in the code stub.
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__ add(offset, offset, Operand(Code::kHeaderSize - kHeapObjectTag));
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__ Jump(offset);
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// Miss: Restore offset and fall through.
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__ bind(&miss);
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__ pop(offset);
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}
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void StubCache::GenerateProbe(MacroAssembler* masm,
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Code::Flags flags,
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Register receiver,
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Register name,
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2009-07-03 06:58:56 +00:00
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Register scratch,
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Register extra) {
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2008-07-03 15:10:15 +00:00
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Label miss;
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// Make sure that code is valid. The shifting code relies on the
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// entry size being 8.
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ASSERT(sizeof(Entry) == 8);
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// Make sure the flags does not name a specific type.
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ASSERT(Code::ExtractTypeFromFlags(flags) == 0);
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// Make sure that there are no register conflicts.
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ASSERT(!scratch.is(receiver));
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ASSERT(!scratch.is(name));
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// Check that the receiver isn't a smi.
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__ tst(receiver, Operand(kSmiTagMask));
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__ b(eq, &miss);
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// Get the map of the receiver and compute the hash.
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2009-12-01 09:54:47 +00:00
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__ ldr(scratch, FieldMemOperand(name, String::kHashFieldOffset));
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2008-10-06 09:35:52 +00:00
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__ ldr(ip, FieldMemOperand(receiver, HeapObject::kMapOffset));
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2008-07-03 15:10:15 +00:00
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__ add(scratch, scratch, Operand(ip));
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__ eor(scratch, scratch, Operand(flags));
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__ and_(scratch,
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scratch,
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Operand((kPrimaryTableSize - 1) << kHeapObjectTagSize));
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// Probe the primary table.
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ProbeTable(masm, flags, kPrimary, name, scratch);
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// Primary miss: Compute hash for secondary probe.
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__ sub(scratch, scratch, Operand(name));
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__ add(scratch, scratch, Operand(flags));
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__ and_(scratch,
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scratch,
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Operand((kSecondaryTableSize - 1) << kHeapObjectTagSize));
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// Probe the secondary table.
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ProbeTable(masm, flags, kSecondary, name, scratch);
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// Cache miss: Fall-through and let caller handle the miss by
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// entering the runtime system.
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__ bind(&miss);
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}
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void StubCompiler::GenerateLoadGlobalFunctionPrototype(MacroAssembler* masm,
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int index,
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Register prototype) {
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// Load the global or builtins object from the current context.
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__ ldr(prototype, MemOperand(cp, Context::SlotOffset(Context::GLOBAL_INDEX)));
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// Load the global context from the global or builtins object.
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__ ldr(prototype,
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FieldMemOperand(prototype, GlobalObject::kGlobalContextOffset));
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// Load the function from the global context.
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__ ldr(prototype, MemOperand(prototype, Context::SlotOffset(index)));
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// Load the initial map. The global functions all have initial maps.
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__ ldr(prototype,
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FieldMemOperand(prototype, JSFunction::kPrototypeOrInitialMapOffset));
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// Load the prototype from the initial map.
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__ ldr(prototype, FieldMemOperand(prototype, Map::kPrototypeOffset));
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}
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2010-06-04 16:20:34 +00:00
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void StubCompiler::GenerateDirectLoadGlobalFunctionPrototype(
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MacroAssembler* masm, int index, Register prototype) {
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// Get the global function with the given index.
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JSFunction* function = JSFunction::cast(Top::global_context()->get(index));
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// Load its initial map. The global functions all have initial maps.
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__ Move(prototype, Handle<Map>(function->initial_map()));
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// Load the prototype from the initial map.
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__ ldr(prototype, FieldMemOperand(prototype, Map::kPrototypeOffset));
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}
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2008-10-16 05:58:09 +00:00
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// Load a fast property out of a holder object (src). In-object properties
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// are loaded directly otherwise the property is loaded from the properties
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// fixed array.
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void StubCompiler::GenerateFastPropertyLoad(MacroAssembler* masm,
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Register dst, Register src,
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JSObject* holder, int index) {
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// Adjust for the number of properties stored in the holder.
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index -= holder->map()->inobject_properties();
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if (index < 0) {
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// Get the property straight out of the holder.
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int offset = holder->map()->instance_size() + (index * kPointerSize);
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__ ldr(dst, FieldMemOperand(src, offset));
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} else {
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// Calculate the offset into the properties array.
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2009-07-17 08:55:01 +00:00
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int offset = index * kPointerSize + FixedArray::kHeaderSize;
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2008-10-16 05:58:09 +00:00
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__ ldr(dst, FieldMemOperand(src, JSObject::kPropertiesOffset));
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__ ldr(dst, FieldMemOperand(dst, offset));
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}
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}
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2008-11-13 01:18:31 +00:00
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void StubCompiler::GenerateLoadArrayLength(MacroAssembler* masm,
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Register receiver,
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Register scratch,
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Label* miss_label) {
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// Check that the receiver isn't a smi.
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__ tst(receiver, Operand(kSmiTagMask));
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__ b(eq, miss_label);
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// Check that the object is a JS array.
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2009-06-10 11:42:13 +00:00
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__ CompareObjectType(receiver, scratch, scratch, JS_ARRAY_TYPE);
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2008-11-13 01:18:31 +00:00
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__ b(ne, miss_label);
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// Load length directly from the JS array.
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__ ldr(r0, FieldMemOperand(receiver, JSArray::kLengthOffset));
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__ Ret();
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}
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2010-02-09 14:19:23 +00:00
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// Generate code to check if an object is a string. If the object is a
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// heap object, its map's instance type is left in the scratch1 register.
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// If this is not needed, scratch1 and scratch2 may be the same register.
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2008-11-20 16:59:00 +00:00
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static void GenerateStringCheck(MacroAssembler* masm,
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Register receiver,
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Register scratch1,
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Register scratch2,
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Label* smi,
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Label* non_string_object) {
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// Check that the receiver isn't a smi.
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__ tst(receiver, Operand(kSmiTagMask));
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__ b(eq, smi);
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// Check that the object is a string.
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__ ldr(scratch1, FieldMemOperand(receiver, HeapObject::kMapOffset));
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__ ldrb(scratch1, FieldMemOperand(scratch1, Map::kInstanceTypeOffset));
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__ and_(scratch2, scratch1, Operand(kIsNotStringMask));
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// The cast is to resolve the overload for the argument of 0x0.
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__ cmp(scratch2, Operand(static_cast<int32_t>(kStringTag)));
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__ b(ne, non_string_object);
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}
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2009-01-07 23:26:31 +00:00
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// Generate code to load the length from a string object and return the length.
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// If the receiver object is not a string or a wrapped string object the
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// execution continues at the miss label. The register containing the
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// receiver is potentially clobbered.
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2010-02-09 13:06:37 +00:00
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void StubCompiler::GenerateLoadStringLength(MacroAssembler* masm,
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Register receiver,
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Register scratch1,
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Register scratch2,
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Label* miss) {
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2010-02-09 14:19:23 +00:00
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Label check_wrapper;
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2008-11-20 16:59:00 +00:00
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// Check if the object is a string leaving the instance type in the
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// scratch1 register.
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2010-02-09 14:19:23 +00:00
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GenerateStringCheck(masm, receiver, scratch1, scratch2, miss, &check_wrapper);
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2008-11-20 16:59:00 +00:00
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// Load length directly from the string.
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__ ldr(r0, FieldMemOperand(receiver, String::kLengthOffset));
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__ Ret();
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// Check if the object is a JSValue wrapper.
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__ bind(&check_wrapper);
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__ cmp(scratch1, Operand(JS_VALUE_TYPE));
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__ b(ne, miss);
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2010-02-09 14:19:23 +00:00
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// Unwrap the value and check if the wrapped value is a string.
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__ ldr(scratch1, FieldMemOperand(receiver, JSValue::kValueOffset));
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GenerateStringCheck(masm, scratch1, scratch2, scratch2, miss, miss);
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__ ldr(r0, FieldMemOperand(scratch1, String::kLengthOffset));
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__ Ret();
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2008-11-20 16:59:00 +00:00
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}
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2009-07-10 23:26:33 +00:00
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void StubCompiler::GenerateLoadFunctionPrototype(MacroAssembler* masm,
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Register receiver,
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Register scratch1,
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Register scratch2,
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Label* miss_label) {
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__ TryGetFunctionPrototype(receiver, scratch1, scratch2, miss_label);
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__ mov(r0, scratch1);
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__ Ret();
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}
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2008-11-20 16:59:00 +00:00
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// Generate StoreField code, value is passed in r0 register.
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2010-02-10 15:06:08 +00:00
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// When leaving generated code after success, the receiver_reg and name_reg
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// may be clobbered. Upon branch to miss_label, the receiver and name
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// registers have their original values.
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2008-11-20 16:59:00 +00:00
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void StubCompiler::GenerateStoreField(MacroAssembler* masm,
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JSObject* object,
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int index,
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Map* transition,
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Register receiver_reg,
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Register name_reg,
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Register scratch,
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Label* miss_label) {
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// r0 : value
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Label exit;
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// Check that the receiver isn't a smi.
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__ tst(receiver_reg, Operand(kSmiTagMask));
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__ b(eq, miss_label);
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// Check that the map of the receiver hasn't changed.
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__ ldr(scratch, FieldMemOperand(receiver_reg, HeapObject::kMapOffset));
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__ cmp(scratch, Operand(Handle<Map>(object->map())));
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__ b(ne, miss_label);
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// Perform global security token check if needed.
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if (object->IsJSGlobalProxy()) {
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__ CheckAccessGlobalProxy(receiver_reg, scratch, miss_label);
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}
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// Stub never generated for non-global objects that require access
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// checks.
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ASSERT(object->IsJSGlobalProxy() || !object->IsAccessCheckNeeded());
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// Perform map transition for the receiver if necessary.
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if ((transition != NULL) && (object->map()->unused_property_fields() == 0)) {
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// The properties must be extended before we can store the value.
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2009-01-15 19:08:34 +00:00
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// We jump to a runtime call that extends the properties array.
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2010-02-09 15:18:37 +00:00
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__ push(receiver_reg);
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2008-11-20 16:59:00 +00:00
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__ mov(r2, Operand(Handle<Map>(transition)));
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2010-04-26 14:25:29 +00:00
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__ Push(r2, r0);
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2010-02-24 08:33:51 +00:00
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__ TailCallExternalReference(
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2010-02-09 15:18:37 +00:00
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ExternalReference(IC_Utility(IC::kSharedStoreIC_ExtendStorage)),
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3, 1);
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2008-11-20 16:59:00 +00:00
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return;
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}
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if (transition != NULL) {
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// Update the map of the object; no write barrier updating is
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// needed because the map is never in new space.
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__ mov(ip, Operand(Handle<Map>(transition)));
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__ str(ip, FieldMemOperand(receiver_reg, HeapObject::kMapOffset));
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}
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// Adjust for the number of properties stored in the object. Even in the
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// face of a transition we can use the old map here because the size of the
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// object and the number of in-object properties is not going to change.
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index -= object->map()->inobject_properties();
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if (index < 0) {
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|
|
// Set the property straight into the object.
|
|
|
|
int offset = object->map()->instance_size() + (index * kPointerSize);
|
|
|
|
__ str(r0, FieldMemOperand(receiver_reg, offset));
|
|
|
|
|
|
|
|
// Skip updating write barrier if storing a smi.
|
|
|
|
__ tst(r0, Operand(kSmiTagMask));
|
|
|
|
__ b(eq, &exit);
|
|
|
|
|
|
|
|
// Update the write barrier for the array address.
|
2010-06-17 10:45:37 +00:00
|
|
|
// Pass the now unused name_reg as a scratch register.
|
|
|
|
__ RecordWrite(receiver_reg, Operand(offset), name_reg, scratch);
|
2008-11-20 16:59:00 +00:00
|
|
|
} else {
|
|
|
|
// Write to the properties array.
|
2009-07-17 08:55:01 +00:00
|
|
|
int offset = index * kPointerSize + FixedArray::kHeaderSize;
|
2008-11-20 16:59:00 +00:00
|
|
|
// Get the properties array
|
|
|
|
__ ldr(scratch, FieldMemOperand(receiver_reg, JSObject::kPropertiesOffset));
|
|
|
|
__ str(r0, FieldMemOperand(scratch, offset));
|
|
|
|
|
|
|
|
// Skip updating write barrier if storing a smi.
|
|
|
|
__ tst(r0, Operand(kSmiTagMask));
|
|
|
|
__ b(eq, &exit);
|
|
|
|
|
|
|
|
// Update the write barrier for the array address.
|
|
|
|
// Ok to clobber receiver_reg and name_reg, since we return.
|
2010-06-17 10:45:37 +00:00
|
|
|
__ RecordWrite(scratch, Operand(offset), name_reg, receiver_reg);
|
2008-11-20 16:59:00 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
// Return the value (register r0).
|
|
|
|
__ bind(&exit);
|
|
|
|
__ Ret();
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2008-11-13 01:18:31 +00:00
|
|
|
void StubCompiler::GenerateLoadMiss(MacroAssembler* masm, Code::Kind kind) {
|
|
|
|
ASSERT(kind == Code::LOAD_IC || kind == Code::KEYED_LOAD_IC);
|
|
|
|
Code* code = NULL;
|
|
|
|
if (kind == Code::LOAD_IC) {
|
|
|
|
code = Builtins::builtin(Builtins::LoadIC_Miss);
|
|
|
|
} else {
|
|
|
|
code = Builtins::builtin(Builtins::KeyedLoadIC_Miss);
|
|
|
|
}
|
|
|
|
|
|
|
|
Handle<Code> ic(code);
|
|
|
|
__ Jump(ic, RelocInfo::CODE_TARGET);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2010-02-02 11:32:17 +00:00
|
|
|
static void GenerateCallFunction(MacroAssembler* masm,
|
|
|
|
Object* object,
|
|
|
|
const ParameterCount& arguments,
|
|
|
|
Label* miss) {
|
|
|
|
// ----------- S t a t e -------------
|
|
|
|
// -- r0: receiver
|
|
|
|
// -- r1: function to call
|
|
|
|
// -----------------------------------
|
|
|
|
|
|
|
|
// Check that the function really is a function.
|
|
|
|
__ BranchOnSmi(r1, miss);
|
2010-02-15 12:26:07 +00:00
|
|
|
__ CompareObjectType(r1, r3, r3, JS_FUNCTION_TYPE);
|
2010-02-02 11:32:17 +00:00
|
|
|
__ b(ne, miss);
|
|
|
|
|
|
|
|
// Patch the receiver on the stack with the global proxy if
|
|
|
|
// necessary.
|
|
|
|
if (object->IsGlobalObject()) {
|
|
|
|
__ ldr(r3, FieldMemOperand(r0, GlobalObject::kGlobalReceiverOffset));
|
|
|
|
__ str(r3, MemOperand(sp, arguments.immediate() * kPointerSize));
|
|
|
|
}
|
|
|
|
|
|
|
|
// Invoke the function.
|
|
|
|
__ InvokeFunction(r1, arguments, JUMP_FUNCTION);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
static void PushInterceptorArguments(MacroAssembler* masm,
|
|
|
|
Register receiver,
|
|
|
|
Register holder,
|
|
|
|
Register name,
|
|
|
|
JSObject* holder_obj) {
|
|
|
|
__ push(name);
|
|
|
|
InterceptorInfo* interceptor = holder_obj->GetNamedInterceptor();
|
|
|
|
ASSERT(!Heap::InNewSpace(interceptor));
|
2010-03-25 17:08:22 +00:00
|
|
|
Register scratch = name;
|
2010-02-02 11:32:17 +00:00
|
|
|
__ mov(scratch, Operand(Handle<Object>(interceptor)));
|
|
|
|
__ push(scratch);
|
2010-03-25 17:08:22 +00:00
|
|
|
__ push(receiver);
|
|
|
|
__ push(holder);
|
2010-02-02 11:32:17 +00:00
|
|
|
__ ldr(scratch, FieldMemOperand(scratch, InterceptorInfo::kDataOffset));
|
|
|
|
__ push(scratch);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
static void CompileCallLoadPropertyWithInterceptor(MacroAssembler* masm,
|
|
|
|
Register receiver,
|
|
|
|
Register holder,
|
|
|
|
Register name,
|
|
|
|
JSObject* holder_obj) {
|
|
|
|
PushInterceptorArguments(masm, receiver, holder, name, holder_obj);
|
|
|
|
|
|
|
|
ExternalReference ref =
|
|
|
|
ExternalReference(IC_Utility(IC::kLoadPropertyWithInterceptorOnly));
|
|
|
|
__ mov(r0, Operand(5));
|
|
|
|
__ mov(r1, Operand(ref));
|
|
|
|
|
|
|
|
CEntryStub stub(1);
|
|
|
|
__ CallStub(&stub);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2010-04-28 14:06:35 +00:00
|
|
|
// Reserves space for the extra arguments to FastHandleApiCall in the
|
|
|
|
// caller's frame.
|
|
|
|
//
|
|
|
|
// These arguments are set by CheckPrototypes and GenerateFastApiCall.
|
|
|
|
static void ReserveSpaceForFastApiCall(MacroAssembler* masm,
|
|
|
|
Register scratch) {
|
|
|
|
__ mov(scratch, Operand(Smi::FromInt(0)));
|
|
|
|
__ push(scratch);
|
|
|
|
__ push(scratch);
|
|
|
|
__ push(scratch);
|
|
|
|
__ push(scratch);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// Undoes the effects of ReserveSpaceForFastApiCall.
|
|
|
|
static void FreeSpaceForFastApiCall(MacroAssembler* masm) {
|
|
|
|
__ Drop(4);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// Generates call to FastHandleApiCall builtin.
|
|
|
|
static void GenerateFastApiCall(MacroAssembler* masm,
|
|
|
|
const CallOptimization& optimization,
|
|
|
|
int argc) {
|
|
|
|
// Get the function and setup the context.
|
|
|
|
JSFunction* function = optimization.constant_function();
|
|
|
|
__ mov(r7, Operand(Handle<JSFunction>(function)));
|
|
|
|
__ ldr(cp, FieldMemOperand(r7, JSFunction::kContextOffset));
|
|
|
|
|
|
|
|
// Pass the additional arguments FastHandleApiCall expects.
|
|
|
|
bool info_loaded = false;
|
|
|
|
Object* callback = optimization.api_call_info()->callback();
|
|
|
|
if (Heap::InNewSpace(callback)) {
|
|
|
|
info_loaded = true;
|
|
|
|
__ Move(r0, Handle<CallHandlerInfo>(optimization.api_call_info()));
|
|
|
|
__ ldr(r6, FieldMemOperand(r0, CallHandlerInfo::kCallbackOffset));
|
|
|
|
} else {
|
|
|
|
__ Move(r6, Handle<Object>(callback));
|
|
|
|
}
|
|
|
|
Object* call_data = optimization.api_call_info()->data();
|
|
|
|
if (Heap::InNewSpace(call_data)) {
|
|
|
|
if (!info_loaded) {
|
|
|
|
__ Move(r0, Handle<CallHandlerInfo>(optimization.api_call_info()));
|
|
|
|
}
|
|
|
|
__ ldr(r5, FieldMemOperand(r0, CallHandlerInfo::kDataOffset));
|
|
|
|
} else {
|
|
|
|
__ Move(r5, Handle<Object>(call_data));
|
|
|
|
}
|
|
|
|
|
|
|
|
__ add(sp, sp, Operand(1 * kPointerSize));
|
|
|
|
__ stm(ia, sp, r5.bit() | r6.bit() | r7.bit());
|
|
|
|
__ sub(sp, sp, Operand(1 * kPointerSize));
|
|
|
|
|
|
|
|
// Set the number of arguments.
|
|
|
|
__ mov(r0, Operand(argc + 4));
|
|
|
|
|
|
|
|
// Jump to the fast api call builtin (tail call).
|
|
|
|
Handle<Code> code = Handle<Code>(
|
|
|
|
Builtins::builtin(Builtins::FastHandleApiCall));
|
|
|
|
ParameterCount expected(0);
|
|
|
|
__ InvokeCode(code, expected, expected,
|
|
|
|
RelocInfo::CODE_TARGET, JUMP_FUNCTION);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
class CallInterceptorCompiler BASE_EMBEDDED {
|
|
|
|
public:
|
|
|
|
CallInterceptorCompiler(StubCompiler* stub_compiler,
|
|
|
|
const ParameterCount& arguments,
|
|
|
|
Register name)
|
|
|
|
: stub_compiler_(stub_compiler),
|
|
|
|
arguments_(arguments),
|
|
|
|
name_(name) {}
|
|
|
|
|
|
|
|
void Compile(MacroAssembler* masm,
|
|
|
|
JSObject* object,
|
|
|
|
JSObject* holder,
|
|
|
|
String* name,
|
|
|
|
LookupResult* lookup,
|
|
|
|
Register receiver,
|
|
|
|
Register scratch1,
|
|
|
|
Register scratch2,
|
|
|
|
Label* miss) {
|
|
|
|
ASSERT(holder->HasNamedInterceptor());
|
|
|
|
ASSERT(!holder->GetNamedInterceptor()->getter()->IsUndefined());
|
|
|
|
|
|
|
|
// Check that the receiver isn't a smi.
|
|
|
|
__ BranchOnSmi(receiver, miss);
|
|
|
|
|
|
|
|
CallOptimization optimization(lookup);
|
|
|
|
|
|
|
|
if (optimization.is_constant_call()) {
|
|
|
|
CompileCacheable(masm,
|
|
|
|
object,
|
|
|
|
receiver,
|
|
|
|
scratch1,
|
|
|
|
scratch2,
|
|
|
|
holder,
|
|
|
|
lookup,
|
|
|
|
name,
|
|
|
|
optimization,
|
|
|
|
miss);
|
|
|
|
} else {
|
|
|
|
CompileRegular(masm,
|
|
|
|
object,
|
|
|
|
receiver,
|
|
|
|
scratch1,
|
|
|
|
scratch2,
|
|
|
|
name,
|
|
|
|
holder,
|
|
|
|
miss);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
private:
|
|
|
|
void CompileCacheable(MacroAssembler* masm,
|
|
|
|
JSObject* object,
|
|
|
|
Register receiver,
|
|
|
|
Register scratch1,
|
|
|
|
Register scratch2,
|
2010-05-25 14:59:11 +00:00
|
|
|
JSObject* interceptor_holder,
|
2010-04-28 14:06:35 +00:00
|
|
|
LookupResult* lookup,
|
|
|
|
String* name,
|
|
|
|
const CallOptimization& optimization,
|
|
|
|
Label* miss_label) {
|
|
|
|
ASSERT(optimization.is_constant_call());
|
|
|
|
ASSERT(!lookup->holder()->IsGlobalObject());
|
|
|
|
|
|
|
|
int depth1 = kInvalidProtoDepth;
|
|
|
|
int depth2 = kInvalidProtoDepth;
|
|
|
|
bool can_do_fast_api_call = false;
|
|
|
|
if (optimization.is_simple_api_call() &&
|
|
|
|
!lookup->holder()->IsGlobalObject()) {
|
2010-05-25 14:59:11 +00:00
|
|
|
depth1 =
|
|
|
|
optimization.GetPrototypeDepthOfExpectedType(object,
|
|
|
|
interceptor_holder);
|
2010-04-28 14:06:35 +00:00
|
|
|
if (depth1 == kInvalidProtoDepth) {
|
2010-05-25 14:59:11 +00:00
|
|
|
depth2 =
|
|
|
|
optimization.GetPrototypeDepthOfExpectedType(interceptor_holder,
|
|
|
|
lookup->holder());
|
2010-04-28 14:06:35 +00:00
|
|
|
}
|
|
|
|
can_do_fast_api_call = (depth1 != kInvalidProtoDepth) ||
|
|
|
|
(depth2 != kInvalidProtoDepth);
|
|
|
|
}
|
|
|
|
|
|
|
|
__ IncrementCounter(&Counters::call_const_interceptor, 1,
|
|
|
|
scratch1, scratch2);
|
|
|
|
|
|
|
|
if (can_do_fast_api_call) {
|
|
|
|
__ IncrementCounter(&Counters::call_const_interceptor_fast_api, 1,
|
|
|
|
scratch1, scratch2);
|
|
|
|
ReserveSpaceForFastApiCall(masm, scratch1);
|
|
|
|
}
|
|
|
|
|
2010-05-25 14:59:11 +00:00
|
|
|
// Check that the maps from receiver to interceptor's holder
|
|
|
|
// haven't changed and thus we can invoke interceptor.
|
2010-04-28 14:06:35 +00:00
|
|
|
Label miss_cleanup;
|
|
|
|
Label* miss = can_do_fast_api_call ? &miss_cleanup : miss_label;
|
|
|
|
Register holder =
|
2010-05-26 14:04:37 +00:00
|
|
|
stub_compiler_->CheckPrototypes(object, receiver,
|
|
|
|
interceptor_holder, scratch1,
|
|
|
|
scratch2, name, depth1, miss);
|
2010-04-28 14:06:35 +00:00
|
|
|
|
2010-05-25 14:59:11 +00:00
|
|
|
// Invoke an interceptor and if it provides a value,
|
|
|
|
// branch to |regular_invoke|.
|
2010-04-28 14:06:35 +00:00
|
|
|
Label regular_invoke;
|
2010-05-25 14:59:11 +00:00
|
|
|
LoadWithInterceptor(masm, receiver, holder, interceptor_holder, scratch2,
|
2010-04-28 14:06:35 +00:00
|
|
|
®ular_invoke);
|
|
|
|
|
2010-05-25 14:59:11 +00:00
|
|
|
// Interceptor returned nothing for this property. Try to use cached
|
|
|
|
// constant function.
|
2010-04-28 14:06:35 +00:00
|
|
|
|
2010-05-25 14:59:11 +00:00
|
|
|
// Check that the maps from interceptor's holder to constant function's
|
|
|
|
// holder haven't changed and thus we can use cached constant function.
|
2010-05-26 14:04:37 +00:00
|
|
|
if (interceptor_holder != lookup->holder()) {
|
|
|
|
stub_compiler_->CheckPrototypes(interceptor_holder, receiver,
|
|
|
|
lookup->holder(), scratch1,
|
|
|
|
scratch2, name, depth2, miss);
|
2010-05-27 11:16:04 +00:00
|
|
|
} else {
|
2010-05-26 14:04:37 +00:00
|
|
|
// CheckPrototypes has a side effect of fetching a 'holder'
|
|
|
|
// for API (object which is instanceof for the signature). It's
|
|
|
|
// safe to omit it here, as if present, it should be fetched
|
|
|
|
// by the previous CheckPrototypes.
|
2010-05-27 11:16:04 +00:00
|
|
|
ASSERT(depth2 == kInvalidProtoDepth);
|
2010-05-26 14:04:37 +00:00
|
|
|
}
|
2010-04-28 14:06:35 +00:00
|
|
|
|
2010-05-25 14:59:11 +00:00
|
|
|
// Invoke function.
|
2010-04-28 14:06:35 +00:00
|
|
|
if (can_do_fast_api_call) {
|
|
|
|
GenerateFastApiCall(masm, optimization, arguments_.immediate());
|
|
|
|
} else {
|
|
|
|
__ InvokeFunction(optimization.constant_function(), arguments_,
|
|
|
|
JUMP_FUNCTION);
|
|
|
|
}
|
|
|
|
|
2010-05-25 14:59:11 +00:00
|
|
|
// Deferred code for fast API call case---clean preallocated space.
|
2010-04-28 14:06:35 +00:00
|
|
|
if (can_do_fast_api_call) {
|
|
|
|
__ bind(&miss_cleanup);
|
|
|
|
FreeSpaceForFastApiCall(masm);
|
|
|
|
__ b(miss_label);
|
|
|
|
}
|
|
|
|
|
2010-05-25 14:59:11 +00:00
|
|
|
// Invoke a regular function.
|
2010-04-28 14:06:35 +00:00
|
|
|
__ bind(®ular_invoke);
|
|
|
|
if (can_do_fast_api_call) {
|
|
|
|
FreeSpaceForFastApiCall(masm);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
void CompileRegular(MacroAssembler* masm,
|
|
|
|
JSObject* object,
|
|
|
|
Register receiver,
|
|
|
|
Register scratch1,
|
|
|
|
Register scratch2,
|
|
|
|
String* name,
|
2010-05-25 14:59:11 +00:00
|
|
|
JSObject* interceptor_holder,
|
2010-04-28 14:06:35 +00:00
|
|
|
Label* miss_label) {
|
|
|
|
Register holder =
|
2010-05-25 14:59:11 +00:00
|
|
|
stub_compiler_->CheckPrototypes(object, receiver, interceptor_holder,
|
2010-04-28 14:06:35 +00:00
|
|
|
scratch1, scratch2, name,
|
|
|
|
miss_label);
|
|
|
|
|
|
|
|
// Call a runtime function to load the interceptor property.
|
|
|
|
__ EnterInternalFrame();
|
|
|
|
// Save the name_ register across the call.
|
|
|
|
__ push(name_);
|
|
|
|
|
|
|
|
PushInterceptorArguments(masm,
|
|
|
|
receiver,
|
|
|
|
holder,
|
|
|
|
name_,
|
2010-05-25 14:59:11 +00:00
|
|
|
interceptor_holder);
|
2010-04-28 14:06:35 +00:00
|
|
|
|
|
|
|
__ CallExternalReference(
|
|
|
|
ExternalReference(
|
|
|
|
IC_Utility(IC::kLoadPropertyWithInterceptorForCall)),
|
|
|
|
5);
|
|
|
|
|
|
|
|
// Restore the name_ register.
|
|
|
|
__ pop(name_);
|
|
|
|
__ LeaveInternalFrame();
|
|
|
|
}
|
|
|
|
|
|
|
|
void LoadWithInterceptor(MacroAssembler* masm,
|
|
|
|
Register receiver,
|
|
|
|
Register holder,
|
|
|
|
JSObject* holder_obj,
|
|
|
|
Register scratch,
|
|
|
|
Label* interceptor_succeeded) {
|
|
|
|
__ EnterInternalFrame();
|
|
|
|
__ Push(holder, name_);
|
|
|
|
|
|
|
|
CompileCallLoadPropertyWithInterceptor(masm,
|
|
|
|
receiver,
|
|
|
|
holder,
|
|
|
|
name_,
|
|
|
|
holder_obj);
|
|
|
|
|
|
|
|
__ pop(name_); // Restore the name.
|
|
|
|
__ pop(receiver); // Restore the holder.
|
|
|
|
__ LeaveInternalFrame();
|
|
|
|
|
|
|
|
// If interceptor returns no-result sentinel, call the constant function.
|
|
|
|
__ LoadRoot(scratch, Heap::kNoInterceptorResultSentinelRootIndex);
|
|
|
|
__ cmp(r0, scratch);
|
|
|
|
__ b(ne, interceptor_succeeded);
|
|
|
|
}
|
|
|
|
|
|
|
|
StubCompiler* stub_compiler_;
|
|
|
|
const ParameterCount& arguments_;
|
|
|
|
Register name_;
|
|
|
|
};
|
|
|
|
|
|
|
|
|
2010-04-15 11:25:41 +00:00
|
|
|
// Generate code to check that a global property cell is empty. Create
|
|
|
|
// the property cell at compilation time if no cell exists for the
|
|
|
|
// property.
|
|
|
|
static Object* GenerateCheckPropertyCell(MacroAssembler* masm,
|
|
|
|
GlobalObject* global,
|
|
|
|
String* name,
|
|
|
|
Register scratch,
|
|
|
|
Label* miss) {
|
|
|
|
Object* probe = global->EnsurePropertyCell(name);
|
|
|
|
if (probe->IsFailure()) return probe;
|
|
|
|
JSGlobalPropertyCell* cell = JSGlobalPropertyCell::cast(probe);
|
|
|
|
ASSERT(cell->value()->IsTheHole());
|
|
|
|
__ mov(scratch, Operand(Handle<Object>(cell)));
|
|
|
|
__ ldr(scratch,
|
|
|
|
FieldMemOperand(scratch, JSGlobalPropertyCell::kValueOffset));
|
|
|
|
__ LoadRoot(ip, Heap::kTheHoleValueRootIndex);
|
|
|
|
__ cmp(scratch, ip);
|
|
|
|
__ b(ne, miss);
|
|
|
|
return cell;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2008-07-03 15:10:15 +00:00
|
|
|
#undef __
|
2009-04-21 13:42:12 +00:00
|
|
|
#define __ ACCESS_MASM(masm())
|
2008-07-03 15:10:15 +00:00
|
|
|
|
|
|
|
|
2009-07-10 09:40:47 +00:00
|
|
|
Register StubCompiler::CheckPrototypes(JSObject* object,
|
|
|
|
Register object_reg,
|
|
|
|
JSObject* holder,
|
|
|
|
Register holder_reg,
|
|
|
|
Register scratch,
|
|
|
|
String* name,
|
2010-02-09 16:14:14 +00:00
|
|
|
int save_at_depth,
|
2009-07-10 09:40:47 +00:00
|
|
|
Label* miss) {
|
|
|
|
// Check that the maps haven't changed.
|
|
|
|
Register result =
|
2010-04-28 14:06:35 +00:00
|
|
|
masm()->CheckMaps(object, object_reg, holder, holder_reg, scratch,
|
|
|
|
save_at_depth, miss);
|
2009-07-10 09:40:47 +00:00
|
|
|
|
|
|
|
// If we've skipped any global objects, it's not enough to verify
|
2010-04-15 11:25:41 +00:00
|
|
|
// that their maps haven't changed. We also need to check that the
|
|
|
|
// property cell for the property is still empty.
|
2009-07-10 09:40:47 +00:00
|
|
|
while (object != holder) {
|
|
|
|
if (object->IsGlobalObject()) {
|
2010-04-15 11:25:41 +00:00
|
|
|
Object* cell = GenerateCheckPropertyCell(masm(),
|
|
|
|
GlobalObject::cast(object),
|
|
|
|
name,
|
|
|
|
scratch,
|
|
|
|
miss);
|
|
|
|
if (cell->IsFailure()) {
|
|
|
|
set_failure(Failure::cast(cell));
|
2009-07-10 09:40:47 +00:00
|
|
|
return result;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
object = JSObject::cast(object->GetPrototype());
|
|
|
|
}
|
|
|
|
|
2010-02-15 11:52:18 +00:00
|
|
|
// Return the register containing the holder.
|
2009-07-10 09:40:47 +00:00
|
|
|
return result;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void StubCompiler::GenerateLoadField(JSObject* object,
|
|
|
|
JSObject* holder,
|
|
|
|
Register receiver,
|
|
|
|
Register scratch1,
|
|
|
|
Register scratch2,
|
|
|
|
int index,
|
|
|
|
String* name,
|
|
|
|
Label* miss) {
|
|
|
|
// Check that the receiver isn't a smi.
|
|
|
|
__ tst(receiver, Operand(kSmiTagMask));
|
|
|
|
__ b(eq, miss);
|
|
|
|
|
|
|
|
// Check that the maps haven't changed.
|
|
|
|
Register reg =
|
|
|
|
CheckPrototypes(object, receiver, holder, scratch1, scratch2, name, miss);
|
|
|
|
GenerateFastPropertyLoad(masm(), r0, reg, holder, index);
|
|
|
|
__ Ret();
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void StubCompiler::GenerateLoadConstant(JSObject* object,
|
|
|
|
JSObject* holder,
|
|
|
|
Register receiver,
|
|
|
|
Register scratch1,
|
|
|
|
Register scratch2,
|
|
|
|
Object* value,
|
|
|
|
String* name,
|
|
|
|
Label* miss) {
|
|
|
|
// Check that the receiver isn't a smi.
|
|
|
|
__ tst(receiver, Operand(kSmiTagMask));
|
|
|
|
__ b(eq, miss);
|
|
|
|
|
|
|
|
// Check that the maps haven't changed.
|
|
|
|
Register reg =
|
|
|
|
CheckPrototypes(object, receiver, holder, scratch1, scratch2, name, miss);
|
|
|
|
|
|
|
|
// Return the constant value.
|
|
|
|
__ mov(r0, Operand(Handle<Object>(value)));
|
|
|
|
__ Ret();
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2009-12-09 15:34:57 +00:00
|
|
|
bool StubCompiler::GenerateLoadCallback(JSObject* object,
|
2009-07-10 09:40:47 +00:00
|
|
|
JSObject* holder,
|
|
|
|
Register receiver,
|
|
|
|
Register name_reg,
|
|
|
|
Register scratch1,
|
|
|
|
Register scratch2,
|
|
|
|
AccessorInfo* callback,
|
|
|
|
String* name,
|
2009-12-09 15:34:57 +00:00
|
|
|
Label* miss,
|
|
|
|
Failure** failure) {
|
2009-07-10 09:40:47 +00:00
|
|
|
// Check that the receiver isn't a smi.
|
|
|
|
__ tst(receiver, Operand(kSmiTagMask));
|
|
|
|
__ b(eq, miss);
|
|
|
|
|
|
|
|
// Check that the maps haven't changed.
|
|
|
|
Register reg =
|
|
|
|
CheckPrototypes(object, receiver, holder, scratch1, scratch2, name, miss);
|
|
|
|
|
|
|
|
// Push the arguments on the JS stack of the caller.
|
2010-04-26 14:25:29 +00:00
|
|
|
__ push(receiver); // Receiver.
|
|
|
|
__ push(reg); // Holder.
|
2009-07-10 09:40:47 +00:00
|
|
|
__ mov(ip, Operand(Handle<AccessorInfo>(callback))); // callback data
|
2009-07-27 09:54:59 +00:00
|
|
|
__ ldr(reg, FieldMemOperand(ip, AccessorInfo::kDataOffset));
|
2010-04-26 14:25:29 +00:00
|
|
|
__ Push(ip, reg, name_reg);
|
2009-07-10 09:40:47 +00:00
|
|
|
|
|
|
|
// Do tail-call to the runtime system.
|
|
|
|
ExternalReference load_callback_property =
|
|
|
|
ExternalReference(IC_Utility(IC::kLoadCallbackProperty));
|
2010-02-24 08:33:51 +00:00
|
|
|
__ TailCallExternalReference(load_callback_property, 5, 1);
|
2009-12-09 15:34:57 +00:00
|
|
|
|
|
|
|
return true;
|
2009-07-10 09:40:47 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void StubCompiler::GenerateLoadInterceptor(JSObject* object,
|
2010-05-27 14:14:46 +00:00
|
|
|
JSObject* interceptor_holder,
|
2009-07-29 12:34:21 +00:00
|
|
|
LookupResult* lookup,
|
2009-07-10 09:40:47 +00:00
|
|
|
Register receiver,
|
|
|
|
Register name_reg,
|
|
|
|
Register scratch1,
|
|
|
|
Register scratch2,
|
|
|
|
String* name,
|
|
|
|
Label* miss) {
|
2010-05-27 14:14:46 +00:00
|
|
|
ASSERT(interceptor_holder->HasNamedInterceptor());
|
|
|
|
ASSERT(!interceptor_holder->GetNamedInterceptor()->getter()->IsUndefined());
|
|
|
|
|
|
|
|
// Check that the receiver isn't a smi.
|
|
|
|
__ BranchOnSmi(receiver, miss);
|
|
|
|
|
|
|
|
// So far the most popular follow ups for interceptor loads are FIELD
|
|
|
|
// and CALLBACKS, so inline only them, other cases may be added
|
|
|
|
// later.
|
|
|
|
bool compile_followup_inline = false;
|
|
|
|
if (lookup->IsProperty() && lookup->IsCacheable()) {
|
|
|
|
if (lookup->type() == FIELD) {
|
|
|
|
compile_followup_inline = true;
|
|
|
|
} else if (lookup->type() == CALLBACKS &&
|
|
|
|
lookup->GetCallbackObject()->IsAccessorInfo() &&
|
|
|
|
AccessorInfo::cast(lookup->GetCallbackObject())->getter() != NULL) {
|
|
|
|
compile_followup_inline = true;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if (compile_followup_inline) {
|
|
|
|
// Compile the interceptor call, followed by inline code to load the
|
|
|
|
// property from further up the prototype chain if the call fails.
|
|
|
|
// Check that the maps haven't changed.
|
|
|
|
Register holder_reg = CheckPrototypes(object, receiver, interceptor_holder,
|
|
|
|
scratch1, scratch2, name, miss);
|
|
|
|
ASSERT(holder_reg.is(receiver) || holder_reg.is(scratch1));
|
|
|
|
|
|
|
|
// Save necessary data before invoking an interceptor.
|
|
|
|
// Requires a frame to make GC aware of pushed pointers.
|
|
|
|
__ EnterInternalFrame();
|
|
|
|
|
|
|
|
if (lookup->type() == CALLBACKS && !receiver.is(holder_reg)) {
|
|
|
|
// CALLBACKS case needs a receiver to be passed into C++ callback.
|
|
|
|
__ Push(receiver, holder_reg, name_reg);
|
|
|
|
} else {
|
|
|
|
__ Push(holder_reg, name_reg);
|
|
|
|
}
|
|
|
|
|
|
|
|
// Invoke an interceptor. Note: map checks from receiver to
|
|
|
|
// interceptor's holder has been compiled before (see a caller
|
|
|
|
// of this method.)
|
|
|
|
CompileCallLoadPropertyWithInterceptor(masm(),
|
|
|
|
receiver,
|
|
|
|
holder_reg,
|
|
|
|
name_reg,
|
|
|
|
interceptor_holder);
|
|
|
|
|
|
|
|
// Check if interceptor provided a value for property. If it's
|
|
|
|
// the case, return immediately.
|
|
|
|
Label interceptor_failed;
|
|
|
|
__ LoadRoot(scratch1, Heap::kNoInterceptorResultSentinelRootIndex);
|
|
|
|
__ cmp(r0, scratch1);
|
|
|
|
__ b(eq, &interceptor_failed);
|
|
|
|
__ LeaveInternalFrame();
|
|
|
|
__ Ret();
|
|
|
|
|
|
|
|
__ bind(&interceptor_failed);
|
|
|
|
__ pop(name_reg);
|
|
|
|
__ pop(holder_reg);
|
|
|
|
if (lookup->type() == CALLBACKS && !receiver.is(holder_reg)) {
|
|
|
|
__ pop(receiver);
|
|
|
|
}
|
|
|
|
|
|
|
|
__ LeaveInternalFrame();
|
|
|
|
|
|
|
|
// Check that the maps from interceptor's holder to lookup's holder
|
|
|
|
// haven't changed. And load lookup's holder into |holder| register.
|
|
|
|
if (interceptor_holder != lookup->holder()) {
|
|
|
|
holder_reg = CheckPrototypes(interceptor_holder,
|
|
|
|
holder_reg,
|
|
|
|
lookup->holder(),
|
|
|
|
scratch1,
|
|
|
|
scratch2,
|
|
|
|
name,
|
|
|
|
miss);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (lookup->type() == FIELD) {
|
|
|
|
// We found FIELD property in prototype chain of interceptor's holder.
|
|
|
|
// Retrieve a field from field's holder.
|
|
|
|
GenerateFastPropertyLoad(masm(), r0, holder_reg,
|
|
|
|
lookup->holder(), lookup->GetFieldIndex());
|
|
|
|
__ Ret();
|
|
|
|
} else {
|
|
|
|
// We found CALLBACKS property in prototype chain of interceptor's
|
|
|
|
// holder.
|
|
|
|
ASSERT(lookup->type() == CALLBACKS);
|
|
|
|
ASSERT(lookup->GetCallbackObject()->IsAccessorInfo());
|
|
|
|
AccessorInfo* callback = AccessorInfo::cast(lookup->GetCallbackObject());
|
|
|
|
ASSERT(callback != NULL);
|
|
|
|
ASSERT(callback->getter() != NULL);
|
|
|
|
|
|
|
|
// Tail call to runtime.
|
|
|
|
// Important invariant in CALLBACKS case: the code above must be
|
|
|
|
// structured to never clobber |receiver| register.
|
|
|
|
__ Move(scratch2, Handle<AccessorInfo>(callback));
|
|
|
|
// holder_reg is either receiver or scratch1.
|
|
|
|
if (!receiver.is(holder_reg)) {
|
|
|
|
ASSERT(scratch1.is(holder_reg));
|
|
|
|
__ Push(receiver, holder_reg, scratch2);
|
|
|
|
__ ldr(scratch1,
|
|
|
|
FieldMemOperand(holder_reg, AccessorInfo::kDataOffset));
|
|
|
|
__ Push(scratch1, name_reg);
|
|
|
|
} else {
|
|
|
|
__ push(receiver);
|
|
|
|
__ ldr(scratch1,
|
|
|
|
FieldMemOperand(holder_reg, AccessorInfo::kDataOffset));
|
|
|
|
__ Push(holder_reg, scratch2, scratch1, name_reg);
|
|
|
|
}
|
|
|
|
|
|
|
|
ExternalReference ref =
|
|
|
|
ExternalReference(IC_Utility(IC::kLoadCallbackProperty));
|
|
|
|
__ TailCallExternalReference(ref, 5, 1);
|
|
|
|
}
|
|
|
|
} else { // !compile_followup_inline
|
|
|
|
// Call the runtime system to load the interceptor.
|
|
|
|
// Check that the maps haven't changed.
|
|
|
|
Register holder_reg = CheckPrototypes(object, receiver, interceptor_holder,
|
|
|
|
scratch1, scratch2, name, miss);
|
|
|
|
PushInterceptorArguments(masm(), receiver, holder_reg,
|
|
|
|
name_reg, interceptor_holder);
|
|
|
|
|
|
|
|
ExternalReference ref = ExternalReference(
|
|
|
|
IC_Utility(IC::kLoadPropertyWithInterceptorForLoad));
|
|
|
|
__ TailCallExternalReference(ref, 5, 1);
|
|
|
|
}
|
2009-07-10 09:40:47 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
|
2008-07-03 15:10:15 +00:00
|
|
|
Object* StubCompiler::CompileLazyCompile(Code::Flags flags) {
|
2008-09-12 03:29:06 +00:00
|
|
|
// ----------- S t a t e -------------
|
|
|
|
// -- r1: function
|
|
|
|
// -- lr: return address
|
|
|
|
// -----------------------------------
|
|
|
|
|
|
|
|
// Enter an internal frame.
|
|
|
|
__ EnterInternalFrame();
|
|
|
|
|
|
|
|
// Preserve the function.
|
|
|
|
__ push(r1);
|
2008-07-03 15:10:15 +00:00
|
|
|
|
2008-09-12 03:29:06 +00:00
|
|
|
// Push the function on the stack as the argument to the runtime function.
|
|
|
|
__ push(r1);
|
2008-07-03 15:10:15 +00:00
|
|
|
__ CallRuntime(Runtime::kLazyCompile, 1);
|
|
|
|
|
2008-09-12 03:29:06 +00:00
|
|
|
// Calculate the entry point.
|
|
|
|
__ add(r2, r0, Operand(Code::kHeaderSize - kHeapObjectTag));
|
2008-07-03 15:10:15 +00:00
|
|
|
|
2008-09-12 03:29:06 +00:00
|
|
|
// Restore saved function.
|
|
|
|
__ pop(r1);
|
|
|
|
|
|
|
|
// Tear down temporary frame.
|
2008-09-23 08:19:26 +00:00
|
|
|
__ LeaveInternalFrame();
|
2008-07-03 15:10:15 +00:00
|
|
|
|
|
|
|
// Do a tail-call of the compiled function.
|
2008-09-12 03:29:06 +00:00
|
|
|
__ Jump(r2);
|
2008-07-03 15:10:15 +00:00
|
|
|
|
2009-03-04 06:14:34 +00:00
|
|
|
return GetCodeWithFlags(flags, "LazyCompileStub");
|
2008-07-03 15:10:15 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
|
2010-06-16 10:03:47 +00:00
|
|
|
void CallStubCompiler::GenerateNameCheck(String* name, Label* miss) {
|
|
|
|
if (kind_ == Code::KEYED_CALL_IC) {
|
|
|
|
__ cmp(r2, Operand(Handle<String>(name)));
|
|
|
|
__ b(ne, miss);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2010-06-07 08:27:32 +00:00
|
|
|
void CallStubCompiler::GenerateMissBranch() {
|
|
|
|
Handle<Code> ic = ComputeCallMiss(arguments().immediate(), kind_);
|
|
|
|
__ Jump(ic, RelocInfo::CODE_TARGET);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2010-02-15 13:20:49 +00:00
|
|
|
Object* CallStubCompiler::CompileCallField(JSObject* object,
|
2008-07-03 15:10:15 +00:00
|
|
|
JSObject* holder,
|
2009-03-04 06:14:34 +00:00
|
|
|
int index,
|
2009-06-30 14:07:29 +00:00
|
|
|
String* name) {
|
2008-07-03 15:10:15 +00:00
|
|
|
// ----------- S t a t e -------------
|
2010-02-15 12:26:07 +00:00
|
|
|
// -- r2 : name
|
|
|
|
// -- lr : return address
|
2008-07-03 15:10:15 +00:00
|
|
|
// -----------------------------------
|
|
|
|
Label miss;
|
|
|
|
|
2010-06-16 10:03:47 +00:00
|
|
|
GenerateNameCheck(name, &miss);
|
|
|
|
|
2008-08-13 09:32:07 +00:00
|
|
|
const int argc = arguments().immediate();
|
|
|
|
|
2008-10-27 14:12:02 +00:00
|
|
|
// Get the receiver of the function from the stack into r0.
|
|
|
|
__ ldr(r0, MemOperand(sp, argc * kPointerSize));
|
2008-07-03 15:10:15 +00:00
|
|
|
// Check that the receiver isn't a smi.
|
2008-10-27 14:12:02 +00:00
|
|
|
__ tst(r0, Operand(kSmiTagMask));
|
2008-07-03 15:10:15 +00:00
|
|
|
__ b(eq, &miss);
|
|
|
|
|
|
|
|
// Do the right check and compute the holder register.
|
2010-02-15 13:20:49 +00:00
|
|
|
Register reg = CheckPrototypes(object, r0, holder, r1, r3, name, &miss);
|
2008-10-16 05:58:09 +00:00
|
|
|
GenerateFastPropertyLoad(masm(), r1, reg, holder, index);
|
2008-07-03 15:10:15 +00:00
|
|
|
|
2010-02-02 11:32:17 +00:00
|
|
|
GenerateCallFunction(masm(), object, arguments(), &miss);
|
2008-07-03 15:10:15 +00:00
|
|
|
|
|
|
|
// Handle call cache miss.
|
|
|
|
__ bind(&miss);
|
2010-06-07 08:27:32 +00:00
|
|
|
GenerateMissBranch();
|
2008-07-03 15:10:15 +00:00
|
|
|
|
|
|
|
// Return the generated code.
|
2009-06-30 14:07:29 +00:00
|
|
|
return GetCode(FIELD, name);
|
2008-07-03 15:10:15 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
|
2010-03-11 16:24:31 +00:00
|
|
|
Object* CallStubCompiler::CompileArrayPushCall(Object* object,
|
|
|
|
JSObject* holder,
|
|
|
|
JSFunction* function,
|
|
|
|
String* name,
|
|
|
|
CheckType check) {
|
|
|
|
// ----------- S t a t e -------------
|
|
|
|
// -- r2 : name
|
|
|
|
// -- lr : return address
|
|
|
|
// -----------------------------------
|
|
|
|
|
2010-04-29 13:58:39 +00:00
|
|
|
// If object is not an array, bail out to regular call.
|
|
|
|
if (!object->IsJSArray()) {
|
|
|
|
return Heap::undefined_value();
|
|
|
|
}
|
|
|
|
|
2010-03-11 16:24:31 +00:00
|
|
|
// TODO(639): faster implementation.
|
|
|
|
ASSERT(check == RECEIVER_MAP_CHECK);
|
|
|
|
|
|
|
|
Label miss;
|
|
|
|
|
2010-06-16 10:03:47 +00:00
|
|
|
GenerateNameCheck(name, &miss);
|
|
|
|
|
2010-03-11 16:24:31 +00:00
|
|
|
// Get the receiver from the stack
|
|
|
|
const int argc = arguments().immediate();
|
|
|
|
__ ldr(r1, MemOperand(sp, argc * kPointerSize));
|
|
|
|
|
|
|
|
// Check that the receiver isn't a smi.
|
|
|
|
__ tst(r1, Operand(kSmiTagMask));
|
|
|
|
__ b(eq, &miss);
|
|
|
|
|
|
|
|
// Check that the maps haven't changed.
|
|
|
|
CheckPrototypes(JSObject::cast(object), r1, holder, r3, r0, name, &miss);
|
|
|
|
|
|
|
|
if (object->IsGlobalObject()) {
|
|
|
|
__ ldr(r3, FieldMemOperand(r1, GlobalObject::kGlobalReceiverOffset));
|
|
|
|
__ str(r3, MemOperand(sp, argc * kPointerSize));
|
|
|
|
}
|
|
|
|
|
|
|
|
__ TailCallExternalReference(ExternalReference(Builtins::c_ArrayPush),
|
|
|
|
argc + 1,
|
|
|
|
1);
|
|
|
|
|
|
|
|
// Handle call cache miss.
|
|
|
|
__ bind(&miss);
|
2010-06-07 08:27:32 +00:00
|
|
|
GenerateMissBranch();
|
2010-03-11 16:24:31 +00:00
|
|
|
|
|
|
|
// Return the generated code.
|
2010-05-06 13:21:53 +00:00
|
|
|
return GetCode(function);
|
2010-03-12 13:45:31 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
Object* CallStubCompiler::CompileArrayPopCall(Object* object,
|
|
|
|
JSObject* holder,
|
|
|
|
JSFunction* function,
|
|
|
|
String* name,
|
|
|
|
CheckType check) {
|
|
|
|
// ----------- S t a t e -------------
|
|
|
|
// -- r2 : name
|
|
|
|
// -- lr : return address
|
|
|
|
// -----------------------------------
|
|
|
|
|
2010-04-29 13:58:39 +00:00
|
|
|
// If object is not an array, bail out to regular call.
|
|
|
|
if (!object->IsJSArray()) {
|
|
|
|
return Heap::undefined_value();
|
|
|
|
}
|
|
|
|
|
2010-03-12 13:45:31 +00:00
|
|
|
// TODO(642): faster implementation.
|
|
|
|
ASSERT(check == RECEIVER_MAP_CHECK);
|
|
|
|
|
|
|
|
Label miss;
|
|
|
|
|
2010-06-16 10:03:47 +00:00
|
|
|
GenerateNameCheck(name, &miss);
|
|
|
|
|
2010-03-12 13:45:31 +00:00
|
|
|
// Get the receiver from the stack
|
|
|
|
const int argc = arguments().immediate();
|
|
|
|
__ ldr(r1, MemOperand(sp, argc * kPointerSize));
|
|
|
|
|
|
|
|
// Check that the receiver isn't a smi.
|
|
|
|
__ tst(r1, Operand(kSmiTagMask));
|
|
|
|
__ b(eq, &miss);
|
|
|
|
|
|
|
|
// Check that the maps haven't changed.
|
|
|
|
CheckPrototypes(JSObject::cast(object), r1, holder, r3, r0, name, &miss);
|
|
|
|
|
|
|
|
if (object->IsGlobalObject()) {
|
|
|
|
__ ldr(r3, FieldMemOperand(r1, GlobalObject::kGlobalReceiverOffset));
|
|
|
|
__ str(r3, MemOperand(sp, argc * kPointerSize));
|
|
|
|
}
|
|
|
|
|
|
|
|
__ TailCallExternalReference(ExternalReference(Builtins::c_ArrayPop),
|
|
|
|
argc + 1,
|
|
|
|
1);
|
|
|
|
|
|
|
|
// Handle call cache miss.
|
|
|
|
__ bind(&miss);
|
2010-06-07 08:27:32 +00:00
|
|
|
GenerateMissBranch();
|
2010-03-12 13:45:31 +00:00
|
|
|
|
|
|
|
// Return the generated code.
|
2010-05-06 13:21:53 +00:00
|
|
|
return GetCode(function);
|
2010-03-11 16:24:31 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
|
2010-05-26 14:23:19 +00:00
|
|
|
Object* CallStubCompiler::CompileStringCharCodeAtCall(Object* object,
|
|
|
|
JSObject* holder,
|
|
|
|
JSFunction* function,
|
|
|
|
String* name,
|
|
|
|
CheckType check) {
|
|
|
|
// TODO(722): implement this.
|
|
|
|
return Heap::undefined_value();
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
Object* CallStubCompiler::CompileStringCharAtCall(Object* object,
|
|
|
|
JSObject* holder,
|
|
|
|
JSFunction* function,
|
|
|
|
String* name,
|
|
|
|
CheckType check) {
|
|
|
|
// TODO(722): implement this.
|
|
|
|
return Heap::undefined_value();
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2008-07-03 15:10:15 +00:00
|
|
|
Object* CallStubCompiler::CompileCallConstant(Object* object,
|
|
|
|
JSObject* holder,
|
|
|
|
JSFunction* function,
|
2009-07-10 09:40:47 +00:00
|
|
|
String* name,
|
2009-06-30 14:07:29 +00:00
|
|
|
CheckType check) {
|
2008-07-03 15:10:15 +00:00
|
|
|
// ----------- S t a t e -------------
|
2010-02-15 12:26:07 +00:00
|
|
|
// -- r2 : name
|
|
|
|
// -- lr : return address
|
2008-07-03 15:10:15 +00:00
|
|
|
// -----------------------------------
|
2010-03-11 16:24:31 +00:00
|
|
|
SharedFunctionInfo* function_info = function->shared();
|
2010-03-23 14:33:42 +00:00
|
|
|
if (function_info->HasCustomCallGenerator()) {
|
2010-05-06 13:21:53 +00:00
|
|
|
const int id = function_info->custom_call_generator_id();
|
|
|
|
Object* result =
|
|
|
|
CompileCustomCall(id, object, holder, function, name, check);
|
2010-04-29 13:58:39 +00:00
|
|
|
// undefined means bail out to regular compiler.
|
|
|
|
if (!result->IsUndefined()) {
|
|
|
|
return result;
|
|
|
|
}
|
2010-03-11 16:24:31 +00:00
|
|
|
}
|
|
|
|
|
2010-04-28 14:06:35 +00:00
|
|
|
Label miss_in_smi_check;
|
2008-07-03 15:10:15 +00:00
|
|
|
|
2010-06-16 10:03:47 +00:00
|
|
|
GenerateNameCheck(name, &miss_in_smi_check);
|
|
|
|
|
2008-08-13 09:32:07 +00:00
|
|
|
// Get the receiver from the stack
|
|
|
|
const int argc = arguments().immediate();
|
|
|
|
__ ldr(r1, MemOperand(sp, argc * kPointerSize));
|
|
|
|
|
2008-07-03 15:10:15 +00:00
|
|
|
// Check that the receiver isn't a smi.
|
|
|
|
if (check != NUMBER_CHECK) {
|
|
|
|
__ tst(r1, Operand(kSmiTagMask));
|
2010-04-28 14:06:35 +00:00
|
|
|
__ b(eq, &miss_in_smi_check);
|
2008-07-03 15:10:15 +00:00
|
|
|
}
|
|
|
|
|
2008-10-27 14:12:02 +00:00
|
|
|
// Make sure that it's okay not to patch the on stack receiver
|
|
|
|
// unless we're doing a receiver map check.
|
|
|
|
ASSERT(!object->IsGlobalObject() || check == RECEIVER_MAP_CHECK);
|
|
|
|
|
2010-04-28 14:06:35 +00:00
|
|
|
CallOptimization optimization(function);
|
|
|
|
int depth = kInvalidProtoDepth;
|
|
|
|
Label miss;
|
|
|
|
|
2008-07-03 15:10:15 +00:00
|
|
|
switch (check) {
|
|
|
|
case RECEIVER_MAP_CHECK:
|
2010-04-28 14:06:35 +00:00
|
|
|
__ IncrementCounter(&Counters::call_const, 1, r0, r3);
|
|
|
|
|
|
|
|
if (optimization.is_simple_api_call() && !object->IsGlobalObject()) {
|
|
|
|
depth = optimization.GetPrototypeDepthOfExpectedType(
|
|
|
|
JSObject::cast(object), holder);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (depth != kInvalidProtoDepth) {
|
|
|
|
__ IncrementCounter(&Counters::call_const_fast_api, 1, r0, r3);
|
|
|
|
ReserveSpaceForFastApiCall(masm(), r0);
|
|
|
|
}
|
|
|
|
|
2008-07-03 15:10:15 +00:00
|
|
|
// Check that the maps haven't changed.
|
2010-04-28 14:06:35 +00:00
|
|
|
CheckPrototypes(JSObject::cast(object), r1, holder, r0, r3, name,
|
|
|
|
depth, &miss);
|
2008-10-27 14:12:02 +00:00
|
|
|
|
|
|
|
// Patch the receiver on the stack with the global proxy if
|
|
|
|
// necessary.
|
|
|
|
if (object->IsGlobalObject()) {
|
2010-04-28 14:06:35 +00:00
|
|
|
ASSERT(depth == kInvalidProtoDepth);
|
2008-10-27 14:12:02 +00:00
|
|
|
__ ldr(r3, FieldMemOperand(r1, GlobalObject::kGlobalReceiverOffset));
|
|
|
|
__ str(r3, MemOperand(sp, argc * kPointerSize));
|
|
|
|
}
|
2008-07-03 15:10:15 +00:00
|
|
|
break;
|
|
|
|
|
|
|
|
case STRING_CHECK:
|
2010-01-15 13:42:32 +00:00
|
|
|
if (!function->IsBuiltin()) {
|
|
|
|
// Calling non-builtins with a value as receiver requires boxing.
|
|
|
|
__ jmp(&miss);
|
|
|
|
} else {
|
|
|
|
// Check that the object is a two-byte string or a symbol.
|
2010-02-15 12:26:07 +00:00
|
|
|
__ CompareObjectType(r1, r3, r3, FIRST_NONSTRING_TYPE);
|
2010-01-15 13:42:32 +00:00
|
|
|
__ b(hs, &miss);
|
|
|
|
// Check that the maps starting from the prototype haven't changed.
|
2010-06-04 16:20:34 +00:00
|
|
|
GenerateDirectLoadGlobalFunctionPrototype(
|
|
|
|
masm(), Context::STRING_FUNCTION_INDEX, r0);
|
2010-02-15 12:26:07 +00:00
|
|
|
CheckPrototypes(JSObject::cast(object->GetPrototype()), r0, holder, r3,
|
2010-01-15 13:42:32 +00:00
|
|
|
r1, name, &miss);
|
|
|
|
}
|
2008-07-03 15:10:15 +00:00
|
|
|
break;
|
|
|
|
|
|
|
|
case NUMBER_CHECK: {
|
2010-01-15 13:42:32 +00:00
|
|
|
if (!function->IsBuiltin()) {
|
|
|
|
// Calling non-builtins with a value as receiver requires boxing.
|
|
|
|
__ jmp(&miss);
|
|
|
|
} else {
|
|
|
|
Label fast;
|
|
|
|
// Check that the object is a smi or a heap number.
|
|
|
|
__ tst(r1, Operand(kSmiTagMask));
|
|
|
|
__ b(eq, &fast);
|
2010-02-15 12:26:07 +00:00
|
|
|
__ CompareObjectType(r1, r0, r0, HEAP_NUMBER_TYPE);
|
2010-01-15 13:42:32 +00:00
|
|
|
__ b(ne, &miss);
|
|
|
|
__ bind(&fast);
|
|
|
|
// Check that the maps starting from the prototype haven't changed.
|
2010-06-04 16:20:34 +00:00
|
|
|
GenerateDirectLoadGlobalFunctionPrototype(
|
|
|
|
masm(), Context::NUMBER_FUNCTION_INDEX, r0);
|
2010-02-15 12:26:07 +00:00
|
|
|
CheckPrototypes(JSObject::cast(object->GetPrototype()), r0, holder, r3,
|
2010-01-15 13:42:32 +00:00
|
|
|
r1, name, &miss);
|
|
|
|
}
|
2008-07-03 15:10:15 +00:00
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
case BOOLEAN_CHECK: {
|
2010-01-15 13:42:32 +00:00
|
|
|
if (!function->IsBuiltin()) {
|
|
|
|
// Calling non-builtins with a value as receiver requires boxing.
|
|
|
|
__ jmp(&miss);
|
|
|
|
} else {
|
|
|
|
Label fast;
|
|
|
|
// Check that the object is a boolean.
|
|
|
|
__ LoadRoot(ip, Heap::kTrueValueRootIndex);
|
|
|
|
__ cmp(r1, ip);
|
|
|
|
__ b(eq, &fast);
|
|
|
|
__ LoadRoot(ip, Heap::kFalseValueRootIndex);
|
|
|
|
__ cmp(r1, ip);
|
|
|
|
__ b(ne, &miss);
|
|
|
|
__ bind(&fast);
|
|
|
|
// Check that the maps starting from the prototype haven't changed.
|
2010-06-04 16:20:34 +00:00
|
|
|
GenerateDirectLoadGlobalFunctionPrototype(
|
|
|
|
masm(), Context::BOOLEAN_FUNCTION_INDEX, r0);
|
2010-02-15 12:26:07 +00:00
|
|
|
CheckPrototypes(JSObject::cast(object->GetPrototype()), r0, holder, r3,
|
2010-01-15 13:42:32 +00:00
|
|
|
r1, name, &miss);
|
|
|
|
}
|
2008-07-03 15:10:15 +00:00
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
default:
|
|
|
|
UNREACHABLE();
|
|
|
|
}
|
|
|
|
|
2010-04-28 14:06:35 +00:00
|
|
|
if (depth != kInvalidProtoDepth) {
|
|
|
|
GenerateFastApiCall(masm(), optimization, argc);
|
|
|
|
} else {
|
|
|
|
__ InvokeFunction(function, arguments(), JUMP_FUNCTION);
|
|
|
|
}
|
2008-07-03 15:10:15 +00:00
|
|
|
|
|
|
|
// Handle call cache miss.
|
|
|
|
__ bind(&miss);
|
2010-04-28 14:06:35 +00:00
|
|
|
if (depth != kInvalidProtoDepth) {
|
|
|
|
FreeSpaceForFastApiCall(masm());
|
|
|
|
}
|
|
|
|
|
|
|
|
__ bind(&miss_in_smi_check);
|
2010-06-07 08:27:32 +00:00
|
|
|
GenerateMissBranch();
|
2008-07-03 15:10:15 +00:00
|
|
|
|
|
|
|
// Return the generated code.
|
2010-05-06 13:21:53 +00:00
|
|
|
return GetCode(function);
|
2008-07-03 15:10:15 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
|
2010-02-15 13:20:49 +00:00
|
|
|
Object* CallStubCompiler::CompileCallInterceptor(JSObject* object,
|
2008-07-03 15:10:15 +00:00
|
|
|
JSObject* holder,
|
|
|
|
String* name) {
|
|
|
|
// ----------- S t a t e -------------
|
2010-02-15 12:26:07 +00:00
|
|
|
// -- r2 : name
|
|
|
|
// -- lr : return address
|
2008-07-03 15:10:15 +00:00
|
|
|
// -----------------------------------
|
|
|
|
|
2010-04-28 14:06:35 +00:00
|
|
|
Label miss;
|
2010-02-15 11:52:18 +00:00
|
|
|
|
2010-06-16 10:03:47 +00:00
|
|
|
GenerateNameCheck(name, &miss);
|
|
|
|
|
2010-02-02 11:32:17 +00:00
|
|
|
// Get the number of arguments.
|
|
|
|
const int argc = arguments().immediate();
|
|
|
|
|
|
|
|
LookupResult lookup;
|
|
|
|
LookupPostInterceptor(holder, name, &lookup);
|
|
|
|
|
2010-04-28 14:06:35 +00:00
|
|
|
// Get the receiver from the stack.
|
|
|
|
__ ldr(r1, MemOperand(sp, argc * kPointerSize));
|
2010-02-15 11:52:18 +00:00
|
|
|
|
2010-04-28 14:06:35 +00:00
|
|
|
CallInterceptorCompiler compiler(this, arguments(), r2);
|
|
|
|
compiler.Compile(masm(),
|
|
|
|
object,
|
|
|
|
holder,
|
|
|
|
name,
|
|
|
|
&lookup,
|
|
|
|
r1,
|
|
|
|
r3,
|
|
|
|
r4,
|
|
|
|
&miss);
|
2010-02-02 11:32:17 +00:00
|
|
|
|
2010-02-12 16:01:38 +00:00
|
|
|
// Move returned value, the function to call, to r1.
|
|
|
|
__ mov(r1, r0);
|
2010-02-02 11:32:17 +00:00
|
|
|
// Restore receiver.
|
2010-04-28 14:06:35 +00:00
|
|
|
__ ldr(r0, MemOperand(sp, argc * kPointerSize));
|
2010-02-02 11:32:17 +00:00
|
|
|
|
|
|
|
GenerateCallFunction(masm(), object, arguments(), &miss);
|
2008-07-03 15:10:15 +00:00
|
|
|
|
|
|
|
// Handle call cache miss.
|
|
|
|
__ bind(&miss);
|
2010-06-07 08:27:32 +00:00
|
|
|
GenerateMissBranch();
|
2008-07-03 15:10:15 +00:00
|
|
|
|
|
|
|
// Return the generated code.
|
2009-03-04 06:14:34 +00:00
|
|
|
return GetCode(INTERCEPTOR, name);
|
2008-07-03 15:10:15 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
|
2009-07-09 11:17:57 +00:00
|
|
|
Object* CallStubCompiler::CompileCallGlobal(JSObject* object,
|
|
|
|
GlobalObject* holder,
|
2009-06-30 10:05:36 +00:00
|
|
|
JSGlobalPropertyCell* cell,
|
|
|
|
JSFunction* function,
|
|
|
|
String* name) {
|
|
|
|
// ----------- S t a t e -------------
|
2010-02-15 12:26:07 +00:00
|
|
|
// -- r2 : name
|
|
|
|
// -- lr : return address
|
2009-06-30 10:05:36 +00:00
|
|
|
// -----------------------------------
|
|
|
|
Label miss;
|
|
|
|
|
2010-06-16 10:03:47 +00:00
|
|
|
GenerateNameCheck(name, &miss);
|
|
|
|
|
2009-06-30 10:05:36 +00:00
|
|
|
// Get the number of arguments.
|
|
|
|
const int argc = arguments().immediate();
|
|
|
|
|
2009-07-09 11:17:57 +00:00
|
|
|
// Get the receiver from the stack.
|
|
|
|
__ ldr(r0, MemOperand(sp, argc * kPointerSize));
|
|
|
|
|
|
|
|
// If the object is the holder then we know that it's a global
|
|
|
|
// object which can only happen for contextual calls. In this case,
|
|
|
|
// the receiver cannot be a smi.
|
|
|
|
if (object != holder) {
|
|
|
|
__ tst(r0, Operand(kSmiTagMask));
|
|
|
|
__ b(eq, &miss);
|
|
|
|
}
|
|
|
|
|
|
|
|
// Check that the maps haven't changed.
|
2010-02-15 12:26:07 +00:00
|
|
|
CheckPrototypes(object, r0, holder, r3, r1, name, &miss);
|
2009-06-30 10:05:36 +00:00
|
|
|
|
|
|
|
// Get the value from the cell.
|
|
|
|
__ mov(r3, Operand(Handle<JSGlobalPropertyCell>(cell)));
|
|
|
|
__ ldr(r1, FieldMemOperand(r3, JSGlobalPropertyCell::kValueOffset));
|
|
|
|
|
|
|
|
// Check that the cell contains the same function.
|
2009-12-17 07:35:12 +00:00
|
|
|
if (Heap::InNewSpace(function)) {
|
|
|
|
// We can't embed a pointer to a function in new space so we have
|
|
|
|
// to verify that the shared function info is unchanged. This has
|
|
|
|
// the nice side effect that multiple closures based on the same
|
|
|
|
// function can all use this call IC. Before we load through the
|
|
|
|
// function, we have to verify that it still is a function.
|
|
|
|
__ tst(r1, Operand(kSmiTagMask));
|
|
|
|
__ b(eq, &miss);
|
|
|
|
__ CompareObjectType(r1, r3, r3, JS_FUNCTION_TYPE);
|
|
|
|
__ b(ne, &miss);
|
|
|
|
|
|
|
|
// Check the shared function info. Make sure it hasn't changed.
|
|
|
|
__ mov(r3, Operand(Handle<SharedFunctionInfo>(function->shared())));
|
2010-02-15 12:26:07 +00:00
|
|
|
__ ldr(r4, FieldMemOperand(r1, JSFunction::kSharedFunctionInfoOffset));
|
|
|
|
__ cmp(r4, r3);
|
2009-12-17 07:35:12 +00:00
|
|
|
__ b(ne, &miss);
|
|
|
|
} else {
|
|
|
|
__ cmp(r1, Operand(Handle<JSFunction>(function)));
|
|
|
|
__ b(ne, &miss);
|
|
|
|
}
|
2009-06-30 10:05:36 +00:00
|
|
|
|
|
|
|
// Patch the receiver on the stack with the global proxy if
|
|
|
|
// necessary.
|
2009-07-09 11:17:57 +00:00
|
|
|
if (object->IsGlobalObject()) {
|
|
|
|
__ ldr(r3, FieldMemOperand(r0, GlobalObject::kGlobalReceiverOffset));
|
|
|
|
__ str(r3, MemOperand(sp, argc * kPointerSize));
|
|
|
|
}
|
2009-06-30 10:05:36 +00:00
|
|
|
|
|
|
|
// Setup the context (function already in r1).
|
|
|
|
__ ldr(cp, FieldMemOperand(r1, JSFunction::kContextOffset));
|
|
|
|
|
|
|
|
// Jump to the cached code (tail call).
|
2010-04-27 09:11:33 +00:00
|
|
|
__ IncrementCounter(&Counters::call_global_inline, 1, r3, r4);
|
2009-06-30 10:05:36 +00:00
|
|
|
ASSERT(function->is_compiled());
|
|
|
|
Handle<Code> code(function->code());
|
|
|
|
ParameterCount expected(function->shared()->formal_parameter_count());
|
|
|
|
__ InvokeCode(code, expected, arguments(),
|
|
|
|
RelocInfo::CODE_TARGET, JUMP_FUNCTION);
|
|
|
|
|
|
|
|
// Handle call cache miss.
|
|
|
|
__ bind(&miss);
|
|
|
|
__ IncrementCounter(&Counters::call_global_inline_miss, 1, r1, r3);
|
2010-06-07 08:27:32 +00:00
|
|
|
GenerateMissBranch();
|
2009-06-30 10:05:36 +00:00
|
|
|
|
|
|
|
// Return the generated code.
|
|
|
|
return GetCode(NORMAL, name);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2008-07-03 15:10:15 +00:00
|
|
|
Object* StoreStubCompiler::CompileStoreField(JSObject* object,
|
|
|
|
int index,
|
|
|
|
Map* transition,
|
|
|
|
String* name) {
|
|
|
|
// ----------- S t a t e -------------
|
|
|
|
// -- r0 : value
|
2010-02-10 15:06:08 +00:00
|
|
|
// -- r1 : receiver
|
2008-07-03 15:10:15 +00:00
|
|
|
// -- r2 : name
|
|
|
|
// -- lr : return address
|
|
|
|
// -----------------------------------
|
2008-11-20 16:59:00 +00:00
|
|
|
Label miss;
|
2008-07-03 15:10:15 +00:00
|
|
|
|
2008-11-20 16:59:00 +00:00
|
|
|
GenerateStoreField(masm(),
|
|
|
|
object,
|
|
|
|
index,
|
|
|
|
transition,
|
2010-02-10 15:06:08 +00:00
|
|
|
r1, r2, r3,
|
2008-11-20 16:59:00 +00:00
|
|
|
&miss);
|
2008-07-03 15:10:15 +00:00
|
|
|
__ bind(&miss);
|
|
|
|
Handle<Code> ic(Builtins::builtin(Builtins::StoreIC_Miss));
|
2008-09-22 13:57:03 +00:00
|
|
|
__ Jump(ic, RelocInfo::CODE_TARGET);
|
2008-07-03 15:10:15 +00:00
|
|
|
|
|
|
|
// Return the generated code.
|
2009-03-04 06:14:34 +00:00
|
|
|
return GetCode(transition == NULL ? FIELD : MAP_TRANSITION, name);
|
2008-07-03 15:10:15 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
Object* StoreStubCompiler::CompileStoreCallback(JSObject* object,
|
|
|
|
AccessorInfo* callback,
|
|
|
|
String* name) {
|
|
|
|
// ----------- S t a t e -------------
|
|
|
|
// -- r0 : value
|
2010-02-10 15:06:08 +00:00
|
|
|
// -- r1 : receiver
|
2008-07-03 15:10:15 +00:00
|
|
|
// -- r2 : name
|
|
|
|
// -- lr : return address
|
|
|
|
// -----------------------------------
|
|
|
|
Label miss;
|
|
|
|
|
|
|
|
// Check that the object isn't a smi.
|
2010-02-10 15:06:08 +00:00
|
|
|
__ tst(r1, Operand(kSmiTagMask));
|
2008-07-03 15:10:15 +00:00
|
|
|
__ b(eq, &miss);
|
|
|
|
|
|
|
|
// Check that the map of the object hasn't changed.
|
2010-02-10 15:06:08 +00:00
|
|
|
__ ldr(r3, FieldMemOperand(r1, HeapObject::kMapOffset));
|
|
|
|
__ cmp(r3, Operand(Handle<Map>(object->map())));
|
2008-07-03 15:10:15 +00:00
|
|
|
__ b(ne, &miss);
|
|
|
|
|
|
|
|
// Perform global security token check if needed.
|
2008-10-21 20:11:50 +00:00
|
|
|
if (object->IsJSGlobalProxy()) {
|
2010-02-10 15:06:08 +00:00
|
|
|
__ CheckAccessGlobalProxy(r1, r3, &miss);
|
2008-07-03 15:10:15 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
// Stub never generated for non-global objects that require access
|
|
|
|
// checks.
|
2008-10-21 20:11:50 +00:00
|
|
|
ASSERT(object->IsJSGlobalProxy() || !object->IsAccessCheckNeeded());
|
2008-07-03 15:10:15 +00:00
|
|
|
|
2010-02-10 15:06:08 +00:00
|
|
|
__ push(r1); // receiver
|
2008-07-03 15:10:15 +00:00
|
|
|
__ mov(ip, Operand(Handle<AccessorInfo>(callback))); // callback info
|
2010-04-26 14:25:29 +00:00
|
|
|
__ Push(ip, r2, r0);
|
2008-07-03 15:10:15 +00:00
|
|
|
|
2008-08-13 09:32:07 +00:00
|
|
|
// Do tail-call to the runtime system.
|
|
|
|
ExternalReference store_callback_property =
|
|
|
|
ExternalReference(IC_Utility(IC::kStoreCallbackProperty));
|
2010-02-24 08:33:51 +00:00
|
|
|
__ TailCallExternalReference(store_callback_property, 4, 1);
|
2008-07-03 15:10:15 +00:00
|
|
|
|
|
|
|
// Handle store cache miss.
|
|
|
|
__ bind(&miss);
|
|
|
|
Handle<Code> ic(Builtins::builtin(Builtins::StoreIC_Miss));
|
2008-09-22 13:57:03 +00:00
|
|
|
__ Jump(ic, RelocInfo::CODE_TARGET);
|
2008-07-03 15:10:15 +00:00
|
|
|
|
|
|
|
// Return the generated code.
|
2009-03-04 06:14:34 +00:00
|
|
|
return GetCode(CALLBACKS, name);
|
2008-07-03 15:10:15 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
Object* StoreStubCompiler::CompileStoreInterceptor(JSObject* receiver,
|
|
|
|
String* name) {
|
|
|
|
// ----------- S t a t e -------------
|
|
|
|
// -- r0 : value
|
2010-02-10 15:06:08 +00:00
|
|
|
// -- r1 : receiver
|
2008-07-03 15:10:15 +00:00
|
|
|
// -- r2 : name
|
|
|
|
// -- lr : return address
|
|
|
|
// -----------------------------------
|
|
|
|
Label miss;
|
|
|
|
|
|
|
|
// Check that the object isn't a smi.
|
2010-02-10 15:06:08 +00:00
|
|
|
__ tst(r1, Operand(kSmiTagMask));
|
2008-07-03 15:10:15 +00:00
|
|
|
__ b(eq, &miss);
|
|
|
|
|
|
|
|
// Check that the map of the object hasn't changed.
|
2010-02-10 15:06:08 +00:00
|
|
|
__ ldr(r3, FieldMemOperand(r1, HeapObject::kMapOffset));
|
|
|
|
__ cmp(r3, Operand(Handle<Map>(receiver->map())));
|
2008-07-03 15:10:15 +00:00
|
|
|
__ b(ne, &miss);
|
|
|
|
|
|
|
|
// Perform global security token check if needed.
|
2008-10-21 20:11:50 +00:00
|
|
|
if (receiver->IsJSGlobalProxy()) {
|
2010-02-10 15:06:08 +00:00
|
|
|
__ CheckAccessGlobalProxy(r1, r3, &miss);
|
2008-07-03 15:10:15 +00:00
|
|
|
}
|
|
|
|
|
2010-02-10 15:06:08 +00:00
|
|
|
// Stub is never generated for non-global objects that require access
|
2008-07-03 15:10:15 +00:00
|
|
|
// checks.
|
2008-10-21 20:11:50 +00:00
|
|
|
ASSERT(receiver->IsJSGlobalProxy() || !receiver->IsAccessCheckNeeded());
|
2008-07-03 15:10:15 +00:00
|
|
|
|
2010-04-26 14:25:29 +00:00
|
|
|
__ Push(r1, r2, r0); // Receiver, name, value.
|
2008-07-03 15:10:15 +00:00
|
|
|
|
2008-08-13 09:32:07 +00:00
|
|
|
// Do tail-call to the runtime system.
|
|
|
|
ExternalReference store_ic_property =
|
2008-07-03 15:10:15 +00:00
|
|
|
ExternalReference(IC_Utility(IC::kStoreInterceptorProperty));
|
2010-02-24 08:33:51 +00:00
|
|
|
__ TailCallExternalReference(store_ic_property, 3, 1);
|
2008-07-03 15:10:15 +00:00
|
|
|
|
|
|
|
// Handle store cache miss.
|
|
|
|
__ bind(&miss);
|
|
|
|
Handle<Code> ic(Builtins::builtin(Builtins::StoreIC_Miss));
|
2008-09-22 13:57:03 +00:00
|
|
|
__ Jump(ic, RelocInfo::CODE_TARGET);
|
2008-07-03 15:10:15 +00:00
|
|
|
|
|
|
|
// Return the generated code.
|
2009-03-04 06:14:34 +00:00
|
|
|
return GetCode(INTERCEPTOR, name);
|
2008-07-03 15:10:15 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
|
2009-07-01 11:44:37 +00:00
|
|
|
Object* StoreStubCompiler::CompileStoreGlobal(GlobalObject* object,
|
2009-06-30 10:05:36 +00:00
|
|
|
JSGlobalPropertyCell* cell,
|
|
|
|
String* name) {
|
|
|
|
// ----------- S t a t e -------------
|
|
|
|
// -- r0 : value
|
2010-02-10 15:06:08 +00:00
|
|
|
// -- r1 : receiver
|
2009-06-30 10:05:36 +00:00
|
|
|
// -- r2 : name
|
|
|
|
// -- lr : return address
|
|
|
|
// -----------------------------------
|
|
|
|
Label miss;
|
|
|
|
|
|
|
|
// Check that the map of the global has not changed.
|
|
|
|
__ ldr(r3, FieldMemOperand(r1, HeapObject::kMapOffset));
|
|
|
|
__ cmp(r3, Operand(Handle<Map>(object->map())));
|
|
|
|
__ b(ne, &miss);
|
|
|
|
|
|
|
|
// Store the value in the cell.
|
|
|
|
__ mov(r2, Operand(Handle<JSGlobalPropertyCell>(cell)));
|
|
|
|
__ str(r0, FieldMemOperand(r2, JSGlobalPropertyCell::kValueOffset));
|
|
|
|
|
2010-02-10 15:06:08 +00:00
|
|
|
__ IncrementCounter(&Counters::named_store_global_inline, 1, r4, r3);
|
2009-06-30 10:05:36 +00:00
|
|
|
__ Ret();
|
|
|
|
|
|
|
|
// Handle store cache miss.
|
|
|
|
__ bind(&miss);
|
2010-02-10 15:06:08 +00:00
|
|
|
__ IncrementCounter(&Counters::named_store_global_inline_miss, 1, r4, r3);
|
2009-06-30 10:05:36 +00:00
|
|
|
Handle<Code> ic(Builtins::builtin(Builtins::StoreIC_Miss));
|
|
|
|
__ Jump(ic, RelocInfo::CODE_TARGET);
|
|
|
|
|
|
|
|
// Return the generated code.
|
|
|
|
return GetCode(NORMAL, name);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2010-04-15 11:25:41 +00:00
|
|
|
Object* LoadStubCompiler::CompileLoadNonexistent(String* name,
|
|
|
|
JSObject* object,
|
|
|
|
JSObject* last) {
|
|
|
|
// ----------- S t a t e -------------
|
2010-05-19 10:29:19 +00:00
|
|
|
// -- r0 : receiver
|
2010-04-15 11:25:41 +00:00
|
|
|
// -- lr : return address
|
|
|
|
// -----------------------------------
|
|
|
|
Label miss;
|
|
|
|
|
2010-04-20 10:20:39 +00:00
|
|
|
// Check that receiver is not a smi.
|
|
|
|
__ tst(r0, Operand(kSmiTagMask));
|
|
|
|
__ b(eq, &miss);
|
|
|
|
|
2010-04-15 11:25:41 +00:00
|
|
|
// Check the maps of the full prototype chain.
|
|
|
|
CheckPrototypes(object, r0, last, r3, r1, name, &miss);
|
|
|
|
|
|
|
|
// If the last object in the prototype chain is a global object,
|
|
|
|
// check that the global property cell is empty.
|
|
|
|
if (last->IsGlobalObject()) {
|
|
|
|
Object* cell = GenerateCheckPropertyCell(masm(),
|
|
|
|
GlobalObject::cast(last),
|
|
|
|
name,
|
|
|
|
r1,
|
|
|
|
&miss);
|
|
|
|
if (cell->IsFailure()) return cell;
|
|
|
|
}
|
|
|
|
|
|
|
|
// Return undefined if maps of the full prototype chain are still the
|
|
|
|
// same and no global property with this name contains a value.
|
|
|
|
__ LoadRoot(r0, Heap::kUndefinedValueRootIndex);
|
|
|
|
__ Ret();
|
|
|
|
|
|
|
|
__ bind(&miss);
|
|
|
|
GenerateLoadMiss(masm(), Code::LOAD_IC);
|
|
|
|
|
|
|
|
// Return the generated code.
|
|
|
|
return GetCode(NONEXISTENT, Heap::empty_string());
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2008-07-03 15:10:15 +00:00
|
|
|
Object* LoadStubCompiler::CompileLoadField(JSObject* object,
|
|
|
|
JSObject* holder,
|
2009-03-04 06:14:34 +00:00
|
|
|
int index,
|
|
|
|
String* name) {
|
2008-07-03 15:10:15 +00:00
|
|
|
// ----------- S t a t e -------------
|
2010-05-19 10:29:19 +00:00
|
|
|
// -- r0 : receiver
|
2008-07-03 15:10:15 +00:00
|
|
|
// -- r2 : name
|
|
|
|
// -- lr : return address
|
|
|
|
// -----------------------------------
|
|
|
|
Label miss;
|
|
|
|
|
2009-07-10 09:40:47 +00:00
|
|
|
GenerateLoadField(object, holder, r0, r3, r1, index, name, &miss);
|
2008-07-03 15:10:15 +00:00
|
|
|
__ bind(&miss);
|
2008-11-13 01:18:31 +00:00
|
|
|
GenerateLoadMiss(masm(), Code::LOAD_IC);
|
2008-07-03 15:10:15 +00:00
|
|
|
|
|
|
|
// Return the generated code.
|
2009-03-04 06:14:34 +00:00
|
|
|
return GetCode(FIELD, name);
|
2008-07-03 15:10:15 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
|
2009-12-09 15:34:57 +00:00
|
|
|
Object* LoadStubCompiler::CompileLoadCallback(String* name,
|
|
|
|
JSObject* object,
|
2008-07-03 15:10:15 +00:00
|
|
|
JSObject* holder,
|
2009-12-09 15:34:57 +00:00
|
|
|
AccessorInfo* callback) {
|
2008-07-03 15:10:15 +00:00
|
|
|
// ----------- S t a t e -------------
|
2010-05-19 10:29:19 +00:00
|
|
|
// -- r0 : receiver
|
2008-07-03 15:10:15 +00:00
|
|
|
// -- r2 : name
|
|
|
|
// -- lr : return address
|
|
|
|
// -----------------------------------
|
|
|
|
Label miss;
|
|
|
|
|
2009-12-09 15:34:57 +00:00
|
|
|
Failure* failure = Failure::InternalError();
|
|
|
|
bool success = GenerateLoadCallback(object, holder, r0, r2, r3, r1,
|
|
|
|
callback, name, &miss, &failure);
|
|
|
|
if (!success) return failure;
|
|
|
|
|
2008-07-03 15:10:15 +00:00
|
|
|
__ bind(&miss);
|
2008-11-13 01:18:31 +00:00
|
|
|
GenerateLoadMiss(masm(), Code::LOAD_IC);
|
2008-07-03 15:10:15 +00:00
|
|
|
|
|
|
|
// Return the generated code.
|
2009-03-04 06:14:34 +00:00
|
|
|
return GetCode(CALLBACKS, name);
|
2008-07-03 15:10:15 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
Object* LoadStubCompiler::CompileLoadConstant(JSObject* object,
|
|
|
|
JSObject* holder,
|
2009-03-04 06:14:34 +00:00
|
|
|
Object* value,
|
|
|
|
String* name) {
|
2008-07-03 15:10:15 +00:00
|
|
|
// ----------- S t a t e -------------
|
2010-05-19 10:29:19 +00:00
|
|
|
// -- r0 : receiver
|
2008-07-03 15:10:15 +00:00
|
|
|
// -- r2 : name
|
|
|
|
// -- lr : return address
|
|
|
|
// -----------------------------------
|
|
|
|
Label miss;
|
|
|
|
|
2009-07-10 09:40:47 +00:00
|
|
|
GenerateLoadConstant(object, holder, r0, r3, r1, value, name, &miss);
|
2008-07-03 15:10:15 +00:00
|
|
|
__ bind(&miss);
|
2008-11-13 01:18:31 +00:00
|
|
|
GenerateLoadMiss(masm(), Code::LOAD_IC);
|
2008-07-03 15:10:15 +00:00
|
|
|
|
|
|
|
// Return the generated code.
|
2009-03-04 06:14:34 +00:00
|
|
|
return GetCode(CONSTANT_FUNCTION, name);
|
2008-07-03 15:10:15 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
Object* LoadStubCompiler::CompileLoadInterceptor(JSObject* object,
|
|
|
|
JSObject* holder,
|
|
|
|
String* name) {
|
|
|
|
// ----------- S t a t e -------------
|
2010-05-19 10:29:19 +00:00
|
|
|
// -- r0 : receiver
|
2008-07-03 15:10:15 +00:00
|
|
|
// -- r2 : name
|
|
|
|
// -- lr : return address
|
|
|
|
// -----------------------------------
|
|
|
|
Label miss;
|
|
|
|
|
2009-07-29 12:34:21 +00:00
|
|
|
LookupResult lookup;
|
2010-02-02 11:32:17 +00:00
|
|
|
LookupPostInterceptor(holder, name, &lookup);
|
2009-07-10 09:40:47 +00:00
|
|
|
GenerateLoadInterceptor(object,
|
2009-06-05 08:07:15 +00:00
|
|
|
holder,
|
2009-07-29 12:34:21 +00:00
|
|
|
&lookup,
|
2009-06-05 08:07:15 +00:00
|
|
|
r0,
|
|
|
|
r2,
|
|
|
|
r3,
|
|
|
|
r1,
|
2009-07-10 09:40:47 +00:00
|
|
|
name,
|
2009-06-05 08:07:15 +00:00
|
|
|
&miss);
|
2008-07-03 15:10:15 +00:00
|
|
|
__ bind(&miss);
|
2008-11-13 01:18:31 +00:00
|
|
|
GenerateLoadMiss(masm(), Code::LOAD_IC);
|
2008-07-03 15:10:15 +00:00
|
|
|
|
|
|
|
// Return the generated code.
|
2009-03-04 06:14:34 +00:00
|
|
|
return GetCode(INTERCEPTOR, name);
|
2008-07-03 15:10:15 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
|
2009-07-09 11:17:57 +00:00
|
|
|
Object* LoadStubCompiler::CompileLoadGlobal(JSObject* object,
|
|
|
|
GlobalObject* holder,
|
2009-06-30 10:05:36 +00:00
|
|
|
JSGlobalPropertyCell* cell,
|
2009-06-30 14:07:29 +00:00
|
|
|
String* name,
|
|
|
|
bool is_dont_delete) {
|
2009-06-30 10:05:36 +00:00
|
|
|
// ----------- S t a t e -------------
|
2010-05-19 10:29:19 +00:00
|
|
|
// -- r0 : receiver
|
2009-06-30 10:05:36 +00:00
|
|
|
// -- r2 : name
|
|
|
|
// -- lr : return address
|
|
|
|
// -----------------------------------
|
|
|
|
Label miss;
|
|
|
|
|
2009-07-09 11:17:57 +00:00
|
|
|
// If the object is the holder then we know that it's a global
|
|
|
|
// object which can only happen for contextual calls. In this case,
|
|
|
|
// the receiver cannot be a smi.
|
|
|
|
if (object != holder) {
|
2010-04-27 19:24:36 +00:00
|
|
|
__ tst(r0, Operand(kSmiTagMask));
|
2009-07-09 11:17:57 +00:00
|
|
|
__ b(eq, &miss);
|
|
|
|
}
|
|
|
|
|
|
|
|
// Check that the map of the global has not changed.
|
2010-04-27 19:24:36 +00:00
|
|
|
CheckPrototypes(object, r0, holder, r3, r4, name, &miss);
|
2009-06-30 10:05:36 +00:00
|
|
|
|
|
|
|
// Get the value from the cell.
|
|
|
|
__ mov(r3, Operand(Handle<JSGlobalPropertyCell>(cell)));
|
2010-04-27 19:24:36 +00:00
|
|
|
__ ldr(r4, FieldMemOperand(r3, JSGlobalPropertyCell::kValueOffset));
|
2009-06-30 10:05:36 +00:00
|
|
|
|
2009-06-30 14:07:29 +00:00
|
|
|
// Check for deleted property if property can actually be deleted.
|
|
|
|
if (!is_dont_delete) {
|
2009-08-24 11:57:57 +00:00
|
|
|
__ LoadRoot(ip, Heap::kTheHoleValueRootIndex);
|
2010-04-27 19:24:36 +00:00
|
|
|
__ cmp(r4, ip);
|
2009-06-30 14:07:29 +00:00
|
|
|
__ b(eq, &miss);
|
|
|
|
}
|
2009-06-30 10:05:36 +00:00
|
|
|
|
2010-04-27 19:24:36 +00:00
|
|
|
__ mov(r0, r4);
|
2009-07-28 11:42:18 +00:00
|
|
|
__ IncrementCounter(&Counters::named_load_global_inline, 1, r1, r3);
|
2009-06-30 10:05:36 +00:00
|
|
|
__ Ret();
|
|
|
|
|
|
|
|
__ bind(&miss);
|
|
|
|
__ IncrementCounter(&Counters::named_load_global_inline_miss, 1, r1, r3);
|
|
|
|
GenerateLoadMiss(masm(), Code::LOAD_IC);
|
|
|
|
|
|
|
|
// Return the generated code.
|
|
|
|
return GetCode(NORMAL, name);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2008-07-03 15:10:15 +00:00
|
|
|
Object* KeyedLoadStubCompiler::CompileLoadField(String* name,
|
|
|
|
JSObject* receiver,
|
|
|
|
JSObject* holder,
|
|
|
|
int index) {
|
2008-11-13 01:18:31 +00:00
|
|
|
// ----------- S t a t e -------------
|
|
|
|
// -- lr : return address
|
2010-05-05 06:40:14 +00:00
|
|
|
// -- r0 : key
|
2010-05-07 10:16:11 +00:00
|
|
|
// -- r1 : receiver
|
2008-11-13 01:18:31 +00:00
|
|
|
// -----------------------------------
|
|
|
|
Label miss;
|
|
|
|
|
2010-05-05 06:40:14 +00:00
|
|
|
// Check the key is the cached one.
|
|
|
|
__ cmp(r0, Operand(Handle<String>(name)));
|
2008-11-13 01:18:31 +00:00
|
|
|
__ b(ne, &miss);
|
|
|
|
|
2010-05-05 06:40:14 +00:00
|
|
|
GenerateLoadField(receiver, holder, r1, r2, r3, index, name, &miss);
|
2008-11-13 01:18:31 +00:00
|
|
|
__ bind(&miss);
|
|
|
|
GenerateLoadMiss(masm(), Code::KEYED_LOAD_IC);
|
|
|
|
|
2009-03-04 06:14:34 +00:00
|
|
|
return GetCode(FIELD, name);
|
2008-07-03 15:10:15 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
Object* KeyedLoadStubCompiler::CompileLoadCallback(String* name,
|
|
|
|
JSObject* receiver,
|
|
|
|
JSObject* holder,
|
|
|
|
AccessorInfo* callback) {
|
2008-11-13 01:18:31 +00:00
|
|
|
// ----------- S t a t e -------------
|
|
|
|
// -- lr : return address
|
2010-05-05 06:40:14 +00:00
|
|
|
// -- r0 : key
|
2010-05-07 10:16:11 +00:00
|
|
|
// -- r1 : receiver
|
2008-11-13 01:18:31 +00:00
|
|
|
// -----------------------------------
|
|
|
|
Label miss;
|
|
|
|
|
2010-05-05 06:40:14 +00:00
|
|
|
// Check the key is the cached one.
|
|
|
|
__ cmp(r0, Operand(Handle<String>(name)));
|
2008-11-13 01:18:31 +00:00
|
|
|
__ b(ne, &miss);
|
|
|
|
|
2009-12-09 15:34:57 +00:00
|
|
|
Failure* failure = Failure::InternalError();
|
2010-05-05 06:40:14 +00:00
|
|
|
bool success = GenerateLoadCallback(receiver, holder, r1, r0, r2, r3,
|
2009-12-09 15:34:57 +00:00
|
|
|
callback, name, &miss, &failure);
|
|
|
|
if (!success) return failure;
|
|
|
|
|
2008-11-13 01:18:31 +00:00
|
|
|
__ bind(&miss);
|
|
|
|
GenerateLoadMiss(masm(), Code::KEYED_LOAD_IC);
|
|
|
|
|
2009-03-04 06:14:34 +00:00
|
|
|
return GetCode(CALLBACKS, name);
|
2008-07-03 15:10:15 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
Object* KeyedLoadStubCompiler::CompileLoadConstant(String* name,
|
|
|
|
JSObject* receiver,
|
|
|
|
JSObject* holder,
|
|
|
|
Object* value) {
|
2008-11-13 01:18:31 +00:00
|
|
|
// ----------- S t a t e -------------
|
|
|
|
// -- lr : return address
|
2010-05-05 06:40:14 +00:00
|
|
|
// -- r0 : key
|
2010-05-07 10:16:11 +00:00
|
|
|
// -- r1 : receiver
|
2008-11-13 01:18:31 +00:00
|
|
|
// -----------------------------------
|
|
|
|
Label miss;
|
|
|
|
|
2010-05-05 06:40:14 +00:00
|
|
|
// Check the key is the cached one.
|
|
|
|
__ cmp(r0, Operand(Handle<String>(name)));
|
2008-11-13 01:18:31 +00:00
|
|
|
__ b(ne, &miss);
|
|
|
|
|
2010-05-05 06:40:14 +00:00
|
|
|
GenerateLoadConstant(receiver, holder, r1, r2, r3, value, name, &miss);
|
2008-11-13 01:18:31 +00:00
|
|
|
__ bind(&miss);
|
|
|
|
GenerateLoadMiss(masm(), Code::KEYED_LOAD_IC);
|
|
|
|
|
|
|
|
// Return the generated code.
|
2009-03-04 06:14:34 +00:00
|
|
|
return GetCode(CONSTANT_FUNCTION, name);
|
2008-07-03 15:10:15 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
Object* KeyedLoadStubCompiler::CompileLoadInterceptor(JSObject* receiver,
|
|
|
|
JSObject* holder,
|
|
|
|
String* name) {
|
2008-11-13 01:18:31 +00:00
|
|
|
// ----------- S t a t e -------------
|
|
|
|
// -- lr : return address
|
2010-05-05 06:40:14 +00:00
|
|
|
// -- r0 : key
|
2010-05-07 10:16:11 +00:00
|
|
|
// -- r1 : receiver
|
2008-11-13 01:18:31 +00:00
|
|
|
// -----------------------------------
|
|
|
|
Label miss;
|
|
|
|
|
2010-05-05 06:40:14 +00:00
|
|
|
// Check the key is the cached one.
|
|
|
|
__ cmp(r0, Operand(Handle<String>(name)));
|
2008-11-13 01:18:31 +00:00
|
|
|
__ b(ne, &miss);
|
|
|
|
|
2009-07-29 12:34:21 +00:00
|
|
|
LookupResult lookup;
|
2010-02-02 11:32:17 +00:00
|
|
|
LookupPostInterceptor(holder, name, &lookup);
|
2009-07-10 09:40:47 +00:00
|
|
|
GenerateLoadInterceptor(receiver,
|
2009-06-05 08:07:15 +00:00
|
|
|
holder,
|
2009-07-29 12:34:21 +00:00
|
|
|
&lookup,
|
2010-05-05 06:40:14 +00:00
|
|
|
r1,
|
2009-06-05 08:07:15 +00:00
|
|
|
r0,
|
|
|
|
r2,
|
|
|
|
r3,
|
2009-07-10 09:40:47 +00:00
|
|
|
name,
|
2009-06-05 08:07:15 +00:00
|
|
|
&miss);
|
2008-11-13 01:18:31 +00:00
|
|
|
__ bind(&miss);
|
|
|
|
GenerateLoadMiss(masm(), Code::KEYED_LOAD_IC);
|
|
|
|
|
2009-03-04 06:14:34 +00:00
|
|
|
return GetCode(INTERCEPTOR, name);
|
2008-07-03 15:10:15 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
Object* KeyedLoadStubCompiler::CompileLoadArrayLength(String* name) {
|
2008-11-13 01:18:31 +00:00
|
|
|
// ----------- S t a t e -------------
|
|
|
|
// -- lr : return address
|
2010-05-05 06:40:14 +00:00
|
|
|
// -- r0 : key
|
2010-05-07 10:16:11 +00:00
|
|
|
// -- r1 : receiver
|
2008-11-13 01:18:31 +00:00
|
|
|
// -----------------------------------
|
|
|
|
Label miss;
|
|
|
|
|
2010-05-05 06:40:14 +00:00
|
|
|
// Check the key is the cached one.
|
|
|
|
__ cmp(r0, Operand(Handle<String>(name)));
|
2008-11-13 01:18:31 +00:00
|
|
|
__ b(ne, &miss);
|
|
|
|
|
2010-05-05 06:40:14 +00:00
|
|
|
GenerateLoadArrayLength(masm(), r1, r2, &miss);
|
2008-11-13 01:18:31 +00:00
|
|
|
__ bind(&miss);
|
|
|
|
GenerateLoadMiss(masm(), Code::KEYED_LOAD_IC);
|
|
|
|
|
2009-03-04 06:14:34 +00:00
|
|
|
return GetCode(CALLBACKS, name);
|
2008-07-03 15:10:15 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
|
2008-10-27 12:44:11 +00:00
|
|
|
Object* KeyedLoadStubCompiler::CompileLoadStringLength(String* name) {
|
2008-11-13 01:18:31 +00:00
|
|
|
// ----------- S t a t e -------------
|
|
|
|
// -- lr : return address
|
2010-05-05 06:40:14 +00:00
|
|
|
// -- r0 : key
|
2010-05-07 10:16:11 +00:00
|
|
|
// -- r1 : receiver
|
2008-11-13 01:18:31 +00:00
|
|
|
// -----------------------------------
|
2008-11-20 16:59:00 +00:00
|
|
|
Label miss;
|
|
|
|
__ IncrementCounter(&Counters::keyed_load_string_length, 1, r1, r3);
|
|
|
|
|
2010-05-05 06:40:14 +00:00
|
|
|
// Check the key is the cached one.
|
|
|
|
__ cmp(r0, Operand(Handle<String>(name)));
|
2008-11-20 16:59:00 +00:00
|
|
|
__ b(ne, &miss);
|
|
|
|
|
2010-05-05 06:40:14 +00:00
|
|
|
GenerateLoadStringLength(masm(), r1, r2, r3, &miss);
|
2008-11-20 16:59:00 +00:00
|
|
|
__ bind(&miss);
|
|
|
|
__ DecrementCounter(&Counters::keyed_load_string_length, 1, r1, r3);
|
|
|
|
|
2008-11-13 01:18:31 +00:00
|
|
|
GenerateLoadMiss(masm(), Code::KEYED_LOAD_IC);
|
|
|
|
|
2009-03-04 06:14:34 +00:00
|
|
|
return GetCode(CALLBACKS, name);
|
2008-07-03 15:10:15 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
|
2008-11-13 01:18:31 +00:00
|
|
|
// TODO(1224671): implement the fast case.
|
2008-07-03 15:10:15 +00:00
|
|
|
Object* KeyedLoadStubCompiler::CompileLoadFunctionPrototype(String* name) {
|
2008-11-13 01:18:31 +00:00
|
|
|
// ----------- S t a t e -------------
|
|
|
|
// -- lr : return address
|
2010-05-05 06:40:14 +00:00
|
|
|
// -- r0 : key
|
2010-05-07 10:16:11 +00:00
|
|
|
// -- r1 : receiver
|
2008-11-13 01:18:31 +00:00
|
|
|
// -----------------------------------
|
|
|
|
GenerateLoadMiss(masm(), Code::KEYED_LOAD_IC);
|
|
|
|
|
2009-03-04 06:14:34 +00:00
|
|
|
return GetCode(CALLBACKS, name);
|
2008-07-03 15:10:15 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
Object* KeyedStoreStubCompiler::CompileStoreField(JSObject* object,
|
|
|
|
int index,
|
|
|
|
Map* transition,
|
|
|
|
String* name) {
|
2008-11-13 01:18:31 +00:00
|
|
|
// ----------- S t a t e -------------
|
|
|
|
// -- r0 : value
|
2010-05-18 06:57:12 +00:00
|
|
|
// -- r1 : key
|
|
|
|
// -- r2 : receiver
|
2008-11-13 01:18:31 +00:00
|
|
|
// -- lr : return address
|
|
|
|
// -----------------------------------
|
2008-11-20 16:59:00 +00:00
|
|
|
Label miss;
|
|
|
|
|
2010-05-18 06:57:12 +00:00
|
|
|
__ IncrementCounter(&Counters::keyed_store_field, 1, r3, r4);
|
2008-11-20 16:59:00 +00:00
|
|
|
|
|
|
|
// Check that the name has not changed.
|
2010-05-18 06:57:12 +00:00
|
|
|
__ cmp(r1, Operand(Handle<String>(name)));
|
2008-11-20 16:59:00 +00:00
|
|
|
__ b(ne, &miss);
|
|
|
|
|
2010-05-18 06:57:12 +00:00
|
|
|
// r3 is used as scratch register. r1 and r2 keep their values if a jump to
|
|
|
|
// the miss label is generated.
|
2008-11-20 16:59:00 +00:00
|
|
|
GenerateStoreField(masm(),
|
|
|
|
object,
|
|
|
|
index,
|
|
|
|
transition,
|
2010-05-18 06:57:12 +00:00
|
|
|
r2, r1, r3,
|
2008-11-20 16:59:00 +00:00
|
|
|
&miss);
|
|
|
|
__ bind(&miss);
|
|
|
|
|
2010-05-18 06:57:12 +00:00
|
|
|
__ DecrementCounter(&Counters::keyed_store_field, 1, r3, r4);
|
2008-11-13 01:18:31 +00:00
|
|
|
Handle<Code> ic(Builtins::builtin(Builtins::KeyedStoreIC_Miss));
|
2010-05-18 06:57:12 +00:00
|
|
|
|
2008-11-13 01:18:31 +00:00
|
|
|
__ Jump(ic, RelocInfo::CODE_TARGET);
|
2008-07-03 15:10:15 +00:00
|
|
|
|
2008-11-13 01:18:31 +00:00
|
|
|
// Return the generated code.
|
2009-03-04 06:14:34 +00:00
|
|
|
return GetCode(transition == NULL ? FIELD : MAP_TRANSITION, name);
|
2008-11-13 01:18:31 +00:00
|
|
|
}
|
2008-07-03 15:10:15 +00:00
|
|
|
|
|
|
|
|
2009-08-26 12:22:44 +00:00
|
|
|
Object* ConstructStubCompiler::CompileConstructStub(
|
|
|
|
SharedFunctionInfo* shared) {
|
2009-09-07 10:31:02 +00:00
|
|
|
// ----------- S t a t e -------------
|
|
|
|
// -- r0 : argc
|
|
|
|
// -- r1 : constructor
|
|
|
|
// -- lr : return address
|
|
|
|
// -- [sp] : last argument
|
|
|
|
// -----------------------------------
|
|
|
|
Label generic_stub_call;
|
|
|
|
|
|
|
|
// Use r7 for holding undefined which is used in several places below.
|
|
|
|
__ LoadRoot(r7, Heap::kUndefinedValueRootIndex);
|
|
|
|
|
|
|
|
#ifdef ENABLE_DEBUGGER_SUPPORT
|
|
|
|
// Check to see whether there are any break points in the function code. If
|
|
|
|
// there are jump to the generic constructor stub which calls the actual
|
|
|
|
// code for the function thereby hitting the break points.
|
|
|
|
__ ldr(r2, FieldMemOperand(r1, JSFunction::kSharedFunctionInfoOffset));
|
|
|
|
__ ldr(r2, FieldMemOperand(r2, SharedFunctionInfo::kDebugInfoOffset));
|
|
|
|
__ cmp(r2, r7);
|
|
|
|
__ b(ne, &generic_stub_call);
|
|
|
|
#endif
|
|
|
|
|
|
|
|
// Load the initial map and verify that it is in fact a map.
|
|
|
|
// r1: constructor function
|
|
|
|
// r7: undefined
|
|
|
|
__ ldr(r2, FieldMemOperand(r1, JSFunction::kPrototypeOrInitialMapOffset));
|
|
|
|
__ tst(r2, Operand(kSmiTagMask));
|
|
|
|
__ b(eq, &generic_stub_call);
|
|
|
|
__ CompareObjectType(r2, r3, r4, MAP_TYPE);
|
|
|
|
__ b(ne, &generic_stub_call);
|
|
|
|
|
|
|
|
#ifdef DEBUG
|
|
|
|
// Cannot construct functions this way.
|
|
|
|
// r0: argc
|
|
|
|
// r1: constructor function
|
|
|
|
// r2: initial map
|
|
|
|
// r7: undefined
|
|
|
|
__ CompareInstanceType(r2, r3, JS_FUNCTION_TYPE);
|
|
|
|
__ Check(ne, "Function constructed by construct stub.");
|
|
|
|
#endif
|
|
|
|
|
|
|
|
// Now allocate the JSObject in new space.
|
|
|
|
// r0: argc
|
|
|
|
// r1: constructor function
|
|
|
|
// r2: initial map
|
|
|
|
// r7: undefined
|
|
|
|
__ ldrb(r3, FieldMemOperand(r2, Map::kInstanceSizeOffset));
|
2009-09-30 09:24:46 +00:00
|
|
|
__ AllocateInNewSpace(r3,
|
|
|
|
r4,
|
|
|
|
r5,
|
|
|
|
r6,
|
|
|
|
&generic_stub_call,
|
2010-05-07 14:06:55 +00:00
|
|
|
SIZE_IN_WORDS);
|
2009-09-07 10:31:02 +00:00
|
|
|
|
|
|
|
// Allocated the JSObject, now initialize the fields. Map is set to initial
|
|
|
|
// map and properties and elements are set to empty fixed array.
|
|
|
|
// r0: argc
|
|
|
|
// r1: constructor function
|
|
|
|
// r2: initial map
|
|
|
|
// r3: object size (in words)
|
|
|
|
// r4: JSObject (not tagged)
|
|
|
|
// r7: undefined
|
|
|
|
__ LoadRoot(r6, Heap::kEmptyFixedArrayRootIndex);
|
|
|
|
__ mov(r5, r4);
|
|
|
|
ASSERT_EQ(0 * kPointerSize, JSObject::kMapOffset);
|
|
|
|
__ str(r2, MemOperand(r5, kPointerSize, PostIndex));
|
|
|
|
ASSERT_EQ(1 * kPointerSize, JSObject::kPropertiesOffset);
|
|
|
|
__ str(r6, MemOperand(r5, kPointerSize, PostIndex));
|
|
|
|
ASSERT_EQ(2 * kPointerSize, JSObject::kElementsOffset);
|
|
|
|
__ str(r6, MemOperand(r5, kPointerSize, PostIndex));
|
|
|
|
|
|
|
|
// Calculate the location of the first argument. The stack contains only the
|
|
|
|
// argc arguments.
|
|
|
|
__ add(r1, sp, Operand(r0, LSL, kPointerSizeLog2));
|
|
|
|
|
|
|
|
// Fill all the in-object properties with undefined.
|
|
|
|
// r0: argc
|
|
|
|
// r1: first argument
|
|
|
|
// r3: object size (in words)
|
|
|
|
// r4: JSObject (not tagged)
|
|
|
|
// r5: First in-object property of JSObject (not tagged)
|
|
|
|
// r7: undefined
|
|
|
|
// Fill the initialized properties with a constant value or a passed argument
|
|
|
|
// depending on the this.x = ...; assignment in the function.
|
|
|
|
for (int i = 0; i < shared->this_property_assignments_count(); i++) {
|
|
|
|
if (shared->IsThisPropertyAssignmentArgument(i)) {
|
|
|
|
Label not_passed, next;
|
|
|
|
// Check if the argument assigned to the property is actually passed.
|
|
|
|
int arg_number = shared->GetThisPropertyAssignmentArgument(i);
|
|
|
|
__ cmp(r0, Operand(arg_number));
|
|
|
|
__ b(le, ¬_passed);
|
|
|
|
// Argument passed - find it on the stack.
|
|
|
|
__ ldr(r2, MemOperand(r1, (arg_number + 1) * -kPointerSize));
|
|
|
|
__ str(r2, MemOperand(r5, kPointerSize, PostIndex));
|
|
|
|
__ b(&next);
|
|
|
|
__ bind(¬_passed);
|
|
|
|
// Set the property to undefined.
|
|
|
|
__ str(r7, MemOperand(r5, kPointerSize, PostIndex));
|
|
|
|
__ bind(&next);
|
|
|
|
} else {
|
|
|
|
// Set the property to the constant value.
|
|
|
|
Handle<Object> constant(shared->GetThisPropertyAssignmentConstant(i));
|
|
|
|
__ mov(r2, Operand(constant));
|
|
|
|
__ str(r2, MemOperand(r5, kPointerSize, PostIndex));
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
// Fill the unused in-object property fields with undefined.
|
|
|
|
for (int i = shared->this_property_assignments_count();
|
|
|
|
i < shared->CalculateInObjectProperties();
|
|
|
|
i++) {
|
|
|
|
__ str(r7, MemOperand(r5, kPointerSize, PostIndex));
|
|
|
|
}
|
|
|
|
|
|
|
|
// r0: argc
|
|
|
|
// r4: JSObject (not tagged)
|
|
|
|
// Move argc to r1 and the JSObject to return to r0 and tag it.
|
|
|
|
__ mov(r1, r0);
|
|
|
|
__ mov(r0, r4);
|
|
|
|
__ orr(r0, r0, Operand(kHeapObjectTag));
|
|
|
|
|
|
|
|
// r0: JSObject
|
|
|
|
// r1: argc
|
|
|
|
// Remove caller arguments and receiver from the stack and return.
|
|
|
|
__ add(sp, sp, Operand(r1, LSL, kPointerSizeLog2));
|
|
|
|
__ add(sp, sp, Operand(kPointerSize));
|
|
|
|
__ IncrementCounter(&Counters::constructed_objects, 1, r1, r2);
|
|
|
|
__ IncrementCounter(&Counters::constructed_objects_stub, 1, r1, r2);
|
|
|
|
__ Jump(lr);
|
|
|
|
|
|
|
|
// Jump to the generic stub in case the specialized code cannot handle the
|
|
|
|
// construction.
|
|
|
|
__ bind(&generic_stub_call);
|
2009-08-26 12:22:44 +00:00
|
|
|
Code* code = Builtins::builtin(Builtins::JSConstructStubGeneric);
|
|
|
|
Handle<Code> generic_construct_stub(code);
|
|
|
|
__ Jump(generic_construct_stub, RelocInfo::CODE_TARGET);
|
|
|
|
|
|
|
|
// Return the generated code.
|
|
|
|
return GetCode();
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2008-07-03 15:10:15 +00:00
|
|
|
#undef __
|
|
|
|
|
|
|
|
} } // namespace v8::internal
|
2010-05-17 15:41:35 +00:00
|
|
|
|
|
|
|
#endif // V8_TARGET_ARCH_ARM
|