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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#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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__ cmp(name, Operand(ip));
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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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Register scratch) {
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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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2008-10-06 09:35:52 +00:00
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__ ldr(scratch, FieldMemOperand(name, String::kLengthOffset));
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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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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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int offset = index * kPointerSize + Array::kHeaderSize;
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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::GenerateLoadField(MacroAssembler* masm,
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JSObject* object,
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JSObject* holder,
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Register receiver,
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Register scratch1,
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Register scratch2,
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int index,
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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 maps haven't changed.
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Register reg =
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2009-04-16 09:30:23 +00:00
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masm->CheckMaps(object, receiver, holder, scratch1, scratch2, miss_label);
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2008-11-13 01:18:31 +00:00
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GenerateFastPropertyLoad(masm, r0, reg, holder, index);
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__ Ret();
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}
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void StubCompiler::GenerateLoadConstant(MacroAssembler* masm,
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JSObject* object,
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JSObject* holder,
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Register receiver,
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Register scratch1,
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Register scratch2,
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Object* value,
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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 maps haven't changed.
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Register reg =
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2009-04-16 09:30:23 +00:00
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masm->CheckMaps(object, receiver, holder, scratch1, scratch2, miss_label);
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2008-11-13 01:18:31 +00:00
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// Return the constant value.
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__ mov(r0, Operand(Handle<Object>(value)));
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__ Ret();
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}
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void StubCompiler::GenerateLoadCallback(MacroAssembler* masm,
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JSObject* object,
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JSObject* holder,
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Register receiver,
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Register name,
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Register scratch1,
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Register scratch2,
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AccessorInfo* callback,
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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 maps haven't changed.
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Register reg =
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2009-04-16 09:30:23 +00:00
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masm->CheckMaps(object, receiver, holder, scratch1, scratch2, miss_label);
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2008-11-13 01:18:31 +00:00
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// Push the arguments on the JS stack of the caller.
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__ push(receiver); // receiver
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__ mov(ip, Operand(Handle<AccessorInfo>(callback))); // callback data
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__ push(ip);
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__ push(name); // name
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__ push(reg); // holder
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// Do tail-call to the runtime system.
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ExternalReference load_callback_property =
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ExternalReference(IC_Utility(IC::kLoadCallbackProperty));
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__ TailCallRuntime(load_callback_property, 4);
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}
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void StubCompiler::GenerateLoadInterceptor(MacroAssembler* masm,
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JSObject* object,
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JSObject* holder,
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2009-06-05 08:07:15 +00:00
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Smi* lookup_hint,
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2008-11-13 01:18:31 +00:00
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Register receiver,
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Register name,
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Register scratch1,
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Register scratch2,
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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 maps haven't changed.
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Register reg =
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2009-04-16 09:30:23 +00:00
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masm->CheckMaps(object, receiver, holder, scratch1, scratch2, miss_label);
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2008-11-13 01:18:31 +00:00
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// Push the arguments on the JS stack of the caller.
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__ push(receiver); // receiver
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__ push(reg); // holder
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__ push(name); // name
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2009-06-05 08:07:15 +00:00
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__ mov(scratch1, Operand(lookup_hint));
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__ push(scratch1);
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2008-11-13 01:18:31 +00:00
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// Do tail-call to the runtime system.
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ExternalReference load_ic_property =
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ExternalReference(IC_Utility(IC::kLoadInterceptorProperty));
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2009-06-05 08:07:15 +00:00
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__ TailCallRuntime(load_ic_property, 4);
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2008-11-13 01:18:31 +00:00
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}
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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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__ ldr(scratch, FieldMemOperand(receiver, HeapObject::kMapOffset));
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__ ldrb(scratch, FieldMemOperand(scratch, Map::kInstanceTypeOffset));
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__ cmp(scratch, Operand(JS_ARRAY_TYPE));
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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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2008-11-20 16:59:00 +00:00
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// Generate code to check if an object is a string. If the object is
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// a string, the map's instance type is left in the scratch1 register.
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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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2008-11-20 16:59:00 +00:00
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void StubCompiler::GenerateLoadStringLength2(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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2009-01-07 23:26:31 +00:00
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Label check_string, check_wrapper;
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2008-11-20 16:59:00 +00:00
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2009-01-07 23:26:31 +00:00
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__ bind(&check_string);
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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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GenerateStringCheck(masm, receiver, scratch1, scratch2,
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miss, &check_wrapper);
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// Load length directly from the string.
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__ and_(scratch1, scratch1, Operand(kStringSizeMask));
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__ add(scratch1, scratch1, Operand(String::kHashShift));
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__ ldr(r0, FieldMemOperand(receiver, String::kLengthOffset));
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__ mov(r0, Operand(r0, LSR, scratch1));
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__ mov(r0, Operand(r0, LSL, kSmiTagSize));
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__ Ret();
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// Check if the object is a JSValue wrapper.
|
|
|
|
__ bind(&check_wrapper);
|
|
|
|
__ cmp(scratch1, Operand(JS_VALUE_TYPE));
|
|
|
|
__ b(ne, miss);
|
|
|
|
|
2009-01-07 23:26:31 +00:00
|
|
|
// Unwrap the value in place and check if the wrapped value is a string.
|
|
|
|
__ ldr(receiver, FieldMemOperand(receiver, JSValue::kValueOffset));
|
|
|
|
__ b(&check_string);
|
2008-11-20 16:59:00 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// Generate StoreField code, value is passed in r0 register.
|
|
|
|
// After executing generated code, the receiver_reg and name_reg
|
|
|
|
// may be clobbered.
|
|
|
|
void StubCompiler::GenerateStoreField(MacroAssembler* masm,
|
|
|
|
Builtins::Name storage_extend,
|
|
|
|
JSObject* object,
|
|
|
|
int index,
|
|
|
|
Map* transition,
|
|
|
|
Register receiver_reg,
|
|
|
|
Register name_reg,
|
|
|
|
Register scratch,
|
|
|
|
Label* miss_label) {
|
|
|
|
// r0 : value
|
|
|
|
Label exit;
|
|
|
|
|
|
|
|
// Check that the receiver isn't a smi.
|
|
|
|
__ tst(receiver_reg, Operand(kSmiTagMask));
|
|
|
|
__ b(eq, miss_label);
|
|
|
|
|
|
|
|
// Check that the map of the receiver hasn't changed.
|
|
|
|
__ ldr(scratch, FieldMemOperand(receiver_reg, HeapObject::kMapOffset));
|
|
|
|
__ cmp(scratch, Operand(Handle<Map>(object->map())));
|
|
|
|
__ b(ne, miss_label);
|
|
|
|
|
|
|
|
// Perform global security token check if needed.
|
|
|
|
if (object->IsJSGlobalProxy()) {
|
|
|
|
__ CheckAccessGlobalProxy(receiver_reg, scratch, miss_label);
|
|
|
|
}
|
|
|
|
|
|
|
|
// Stub never generated for non-global objects that require access
|
|
|
|
// checks.
|
|
|
|
ASSERT(object->IsJSGlobalProxy() || !object->IsAccessCheckNeeded());
|
|
|
|
|
|
|
|
// Perform map transition for the receiver if necessary.
|
|
|
|
if ((transition != NULL) && (object->map()->unused_property_fields() == 0)) {
|
|
|
|
// The properties must be extended before we can store the value.
|
2009-01-15 19:08:34 +00:00
|
|
|
// We jump to a runtime call that extends the properties array.
|
2008-11-20 16:59:00 +00:00
|
|
|
__ mov(r2, Operand(Handle<Map>(transition)));
|
|
|
|
// Please note, if we implement keyed store for arm we need
|
|
|
|
// to call the Builtins::KeyedStoreIC_ExtendStorage.
|
|
|
|
Handle<Code> ic(Builtins::builtin(Builtins::StoreIC_ExtendStorage));
|
|
|
|
__ Jump(ic, RelocInfo::CODE_TARGET);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (transition != NULL) {
|
|
|
|
// Update the map of the object; no write barrier updating is
|
|
|
|
// needed because the map is never in new space.
|
|
|
|
__ mov(ip, Operand(Handle<Map>(transition)));
|
|
|
|
__ str(ip, FieldMemOperand(receiver_reg, HeapObject::kMapOffset));
|
|
|
|
}
|
|
|
|
|
|
|
|
// Adjust for the number of properties stored in the object. Even in the
|
|
|
|
// face of a transition we can use the old map here because the size of the
|
|
|
|
// object and the number of in-object properties is not going to change.
|
|
|
|
index -= object->map()->inobject_properties();
|
|
|
|
|
|
|
|
if (index < 0) {
|
|
|
|
// 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.
|
|
|
|
// Pass the value being stored in the now unused name_reg.
|
|
|
|
__ mov(name_reg, Operand(offset));
|
|
|
|
__ RecordWrite(receiver_reg, name_reg, scratch);
|
|
|
|
} else {
|
|
|
|
// Write to the properties array.
|
|
|
|
int offset = index * kPointerSize + Array::kHeaderSize;
|
|
|
|
// 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.
|
|
|
|
__ mov(name_reg, Operand(offset));
|
|
|
|
__ RecordWrite(scratch, name_reg, receiver_reg);
|
|
|
|
}
|
|
|
|
|
|
|
|
// 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);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
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
|
|
|
|
|
|
|
|
|
|
|
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
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
Object* CallStubCompiler::CompileCallField(Object* object,
|
|
|
|
JSObject* holder,
|
2009-03-04 06:14:34 +00:00
|
|
|
int index,
|
2009-05-25 18:29:02 +00:00
|
|
|
String* name,
|
|
|
|
Code::Flags flags) {
|
|
|
|
ASSERT_EQ(FIELD, Code::ExtractTypeFromFlags(flags));
|
2008-07-03 15:10:15 +00:00
|
|
|
// ----------- S t a t e -------------
|
|
|
|
// -- lr: return address
|
|
|
|
// -----------------------------------
|
|
|
|
Label 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.
|
|
|
|
Register reg =
|
2009-04-16 09:30:23 +00:00
|
|
|
masm()->CheckMaps(JSObject::cast(object), r0, holder, r3, r2, &miss);
|
2008-10-16 05:58:09 +00:00
|
|
|
GenerateFastPropertyLoad(masm(), r1, reg, holder, index);
|
2008-07-03 15:10:15 +00:00
|
|
|
|
|
|
|
// Check that the function really is a function.
|
2008-09-12 03:29:06 +00:00
|
|
|
__ tst(r1, Operand(kSmiTagMask));
|
2008-07-03 15:10:15 +00:00
|
|
|
__ b(eq, &miss);
|
|
|
|
// Get the map.
|
2008-09-12 03:29:06 +00:00
|
|
|
__ ldr(r2, FieldMemOperand(r1, HeapObject::kMapOffset));
|
2008-07-03 15:10:15 +00:00
|
|
|
__ ldrb(r2, FieldMemOperand(r2, Map::kInstanceTypeOffset));
|
|
|
|
__ cmp(r2, Operand(JS_FUNCTION_TYPE));
|
|
|
|
__ b(ne, &miss);
|
|
|
|
|
2008-10-27 14:12:02 +00:00
|
|
|
// Patch the receiver on the stack with the global proxy if
|
|
|
|
// necessary.
|
2008-10-24 12:58:17 +00:00
|
|
|
if (object->IsGlobalObject()) {
|
2008-10-27 14:12:02 +00:00
|
|
|
__ ldr(r3, FieldMemOperand(r0, GlobalObject::kGlobalReceiverOffset));
|
|
|
|
__ str(r3, MemOperand(sp, argc * kPointerSize));
|
2008-10-24 12:58:17 +00:00
|
|
|
}
|
2008-07-03 15:10:15 +00:00
|
|
|
|
2008-09-12 03:29:06 +00:00
|
|
|
// Invoke the function.
|
|
|
|
__ InvokeFunction(r1, arguments(), JUMP_FUNCTION);
|
2008-07-03 15:10:15 +00:00
|
|
|
|
|
|
|
// Handle call cache miss.
|
|
|
|
__ bind(&miss);
|
|
|
|
Handle<Code> ic = ComputeCallMiss(arguments().immediate());
|
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.
|
2009-05-25 18:29:02 +00:00
|
|
|
return GetCodeWithFlags(flags, name);
|
2008-07-03 15:10:15 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
Object* CallStubCompiler::CompileCallConstant(Object* object,
|
|
|
|
JSObject* holder,
|
|
|
|
JSFunction* function,
|
2009-05-25 18:29:02 +00:00
|
|
|
CheckType check,
|
|
|
|
Code::Flags flags) {
|
|
|
|
ASSERT_EQ(CONSTANT_FUNCTION, Code::ExtractTypeFromFlags(flags));
|
2008-07-03 15:10:15 +00:00
|
|
|
// ----------- S t a t e -------------
|
|
|
|
// -- lr: return address
|
|
|
|
// -----------------------------------
|
|
|
|
Label miss;
|
|
|
|
|
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));
|
|
|
|
__ b(eq, &miss);
|
|
|
|
}
|
|
|
|
|
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);
|
|
|
|
|
2008-07-03 15:10:15 +00:00
|
|
|
switch (check) {
|
|
|
|
case RECEIVER_MAP_CHECK:
|
|
|
|
// Check that the maps haven't changed.
|
|
|
|
__ CheckMaps(JSObject::cast(object), r1, holder, r3, r2, &miss);
|
2008-10-27 14:12:02 +00:00
|
|
|
|
|
|
|
// Patch the receiver on the stack with the global proxy if
|
|
|
|
// necessary.
|
|
|
|
if (object->IsGlobalObject()) {
|
|
|
|
__ ldr(r3, FieldMemOperand(r1, GlobalObject::kGlobalReceiverOffset));
|
|
|
|
__ str(r3, MemOperand(sp, argc * kPointerSize));
|
|
|
|
}
|
2008-07-03 15:10:15 +00:00
|
|
|
break;
|
|
|
|
|
|
|
|
case STRING_CHECK:
|
|
|
|
// Check that the object is a two-byte string or a symbol.
|
|
|
|
__ ldr(r2, FieldMemOperand(r1, HeapObject::kMapOffset));
|
|
|
|
__ ldrb(r2, FieldMemOperand(r2, Map::kInstanceTypeOffset));
|
|
|
|
__ cmp(r2, Operand(FIRST_NONSTRING_TYPE));
|
|
|
|
__ b(hs, &miss);
|
|
|
|
// Check that the maps starting from the prototype haven't changed.
|
|
|
|
GenerateLoadGlobalFunctionPrototype(masm(),
|
|
|
|
Context::STRING_FUNCTION_INDEX,
|
|
|
|
r2);
|
|
|
|
__ CheckMaps(JSObject::cast(object->GetPrototype()),
|
|
|
|
r2, holder, r3, r1, &miss);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case NUMBER_CHECK: {
|
|
|
|
Label fast;
|
|
|
|
// Check that the object is a smi or a heap number.
|
|
|
|
__ tst(r1, Operand(kSmiTagMask));
|
|
|
|
__ b(eq, &fast);
|
|
|
|
__ ldr(r2, FieldMemOperand(r1, HeapObject::kMapOffset));
|
|
|
|
__ ldrb(r2, FieldMemOperand(r2, Map::kInstanceTypeOffset));
|
|
|
|
__ cmp(r2, Operand(HEAP_NUMBER_TYPE));
|
|
|
|
__ b(ne, &miss);
|
|
|
|
__ bind(&fast);
|
|
|
|
// Check that the maps starting from the prototype haven't changed.
|
|
|
|
GenerateLoadGlobalFunctionPrototype(masm(),
|
|
|
|
Context::NUMBER_FUNCTION_INDEX,
|
|
|
|
r2);
|
|
|
|
__ CheckMaps(JSObject::cast(object->GetPrototype()),
|
|
|
|
r2, holder, r3, r1, &miss);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
case BOOLEAN_CHECK: {
|
|
|
|
Label fast;
|
|
|
|
// Check that the object is a boolean.
|
|
|
|
__ cmp(r1, Operand(Factory::true_value()));
|
|
|
|
__ b(eq, &fast);
|
|
|
|
__ cmp(r1, Operand(Factory::false_value()));
|
|
|
|
__ b(ne, &miss);
|
|
|
|
__ bind(&fast);
|
|
|
|
// Check that the maps starting from the prototype haven't changed.
|
|
|
|
GenerateLoadGlobalFunctionPrototype(masm(),
|
|
|
|
Context::BOOLEAN_FUNCTION_INDEX,
|
|
|
|
r2);
|
|
|
|
__ CheckMaps(JSObject::cast(object->GetPrototype()),
|
|
|
|
r2, holder, r3, r1, &miss);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
case JSARRAY_HAS_FAST_ELEMENTS_CHECK:
|
|
|
|
__ CheckMaps(JSObject::cast(object), r1, holder, r3, r2, &miss);
|
|
|
|
// Make sure object->elements()->map() != Heap::hash_table_map()
|
|
|
|
// Get the elements array of the object.
|
|
|
|
__ ldr(r3, FieldMemOperand(r1, JSObject::kElementsOffset));
|
|
|
|
// Check that the object is in fast mode (not dictionary).
|
|
|
|
__ ldr(r2, FieldMemOperand(r3, HeapObject::kMapOffset));
|
|
|
|
__ cmp(r2, Operand(Factory::hash_table_map()));
|
|
|
|
__ b(eq, &miss);
|
|
|
|
break;
|
|
|
|
|
|
|
|
default:
|
|
|
|
UNREACHABLE();
|
|
|
|
}
|
|
|
|
|
|
|
|
// Get the function and setup the context.
|
2008-09-12 03:29:06 +00:00
|
|
|
__ mov(r1, Operand(Handle<JSFunction>(function)));
|
|
|
|
__ ldr(cp, FieldMemOperand(r1, JSFunction::kContextOffset));
|
2008-07-03 15:10:15 +00:00
|
|
|
|
|
|
|
// Jump to the cached code (tail call).
|
|
|
|
Handle<Code> code(function->code());
|
2008-08-06 10:02:49 +00:00
|
|
|
ParameterCount expected(function->shared()->formal_parameter_count());
|
2008-09-22 13:57:03 +00:00
|
|
|
__ InvokeCode(code, expected, arguments(),
|
|
|
|
RelocInfo::CODE_TARGET, JUMP_FUNCTION);
|
2008-07-03 15:10:15 +00:00
|
|
|
|
|
|
|
// Handle call cache miss.
|
|
|
|
__ bind(&miss);
|
|
|
|
Handle<Code> ic = ComputeCallMiss(arguments().immediate());
|
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
|
|
|
String* function_name = NULL;
|
|
|
|
if (function->shared()->name()->IsString()) {
|
|
|
|
function_name = String::cast(function->shared()->name());
|
|
|
|
}
|
2009-05-25 18:29:02 +00:00
|
|
|
return GetCodeWithFlags(flags, function_name);
|
2008-07-03 15:10:15 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
Object* CallStubCompiler::CompileCallInterceptor(Object* object,
|
|
|
|
JSObject* holder,
|
|
|
|
String* name) {
|
|
|
|
// ----------- S t a t e -------------
|
|
|
|
// -- lr: return address
|
|
|
|
// -----------------------------------
|
|
|
|
Label miss;
|
|
|
|
|
|
|
|
// TODO(1224669): Implement.
|
|
|
|
|
|
|
|
// Handle call cache miss.
|
|
|
|
__ bind(&miss);
|
|
|
|
Handle<Code> ic = ComputeCallMiss(arguments().immediate());
|
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
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
Object* StoreStubCompiler::CompileStoreField(JSObject* object,
|
|
|
|
int index,
|
|
|
|
Map* transition,
|
|
|
|
String* name) {
|
|
|
|
// ----------- S t a t e -------------
|
|
|
|
// -- r0 : value
|
|
|
|
// -- r2 : name
|
|
|
|
// -- lr : return address
|
|
|
|
// -- [sp] : receiver
|
|
|
|
// -----------------------------------
|
2008-11-20 16:59:00 +00:00
|
|
|
Label miss;
|
2008-07-03 15:10:15 +00:00
|
|
|
|
|
|
|
// Get the receiver from the stack.
|
|
|
|
__ ldr(r3, MemOperand(sp, 0 * kPointerSize));
|
|
|
|
|
2008-11-20 16:59:00 +00:00
|
|
|
// name register might be clobbered.
|
|
|
|
GenerateStoreField(masm(),
|
|
|
|
Builtins::StoreIC_ExtendStorage,
|
|
|
|
object,
|
|
|
|
index,
|
|
|
|
transition,
|
|
|
|
r3, r2, r1,
|
|
|
|
&miss);
|
2008-07-03 15:10:15 +00:00
|
|
|
__ bind(&miss);
|
|
|
|
__ mov(r2, Operand(Handle<String>(name))); // restore name
|
|
|
|
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
|
|
|
|
// -- r2 : name
|
|
|
|
// -- lr : return address
|
|
|
|
// -- [sp] : receiver
|
|
|
|
// -----------------------------------
|
|
|
|
Label miss;
|
|
|
|
|
|
|
|
// Get the object from the stack.
|
|
|
|
__ ldr(r3, MemOperand(sp, 0 * kPointerSize));
|
|
|
|
|
|
|
|
// Check that the object isn't a smi.
|
|
|
|
__ tst(r3, Operand(kSmiTagMask));
|
|
|
|
__ b(eq, &miss);
|
|
|
|
|
|
|
|
// Check that the map of the object hasn't changed.
|
|
|
|
__ ldr(r1, FieldMemOperand(r3, HeapObject::kMapOffset));
|
|
|
|
__ cmp(r1, Operand(Handle<Map>(object->map())));
|
|
|
|
__ b(ne, &miss);
|
|
|
|
|
|
|
|
// Perform global security token check if needed.
|
2008-10-21 20:11:50 +00:00
|
|
|
if (object->IsJSGlobalProxy()) {
|
|
|
|
__ CheckAccessGlobalProxy(r3, r1, &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
|
|
|
|
|
|
|
__ ldr(ip, MemOperand(sp)); // receiver
|
|
|
|
__ push(ip);
|
|
|
|
__ mov(ip, Operand(Handle<AccessorInfo>(callback))); // callback info
|
|
|
|
__ push(ip);
|
|
|
|
__ push(r2); // name
|
|
|
|
__ push(r0); // value
|
|
|
|
|
2008-08-13 09:32:07 +00:00
|
|
|
// Do tail-call to the runtime system.
|
|
|
|
ExternalReference store_callback_property =
|
|
|
|
ExternalReference(IC_Utility(IC::kStoreCallbackProperty));
|
|
|
|
__ TailCallRuntime(store_callback_property, 4);
|
2008-07-03 15:10:15 +00:00
|
|
|
|
|
|
|
// Handle store cache miss.
|
|
|
|
__ bind(&miss);
|
|
|
|
__ mov(r2, Operand(Handle<String>(name))); // restore name
|
|
|
|
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
|
|
|
|
// -- r2 : name
|
|
|
|
// -- lr : return address
|
|
|
|
// -- [sp] : receiver
|
|
|
|
// -----------------------------------
|
|
|
|
Label miss;
|
|
|
|
|
|
|
|
// Get the object from the stack.
|
|
|
|
__ ldr(r3, MemOperand(sp, 0 * kPointerSize));
|
|
|
|
|
|
|
|
// Check that the object isn't a smi.
|
|
|
|
__ tst(r3, Operand(kSmiTagMask));
|
|
|
|
__ b(eq, &miss);
|
|
|
|
|
|
|
|
// Check that the map of the object hasn't changed.
|
|
|
|
__ ldr(r1, FieldMemOperand(r3, HeapObject::kMapOffset));
|
|
|
|
__ cmp(r1, Operand(Handle<Map>(receiver->map())));
|
|
|
|
__ b(ne, &miss);
|
|
|
|
|
|
|
|
// Perform global security token check if needed.
|
2008-10-21 20:11:50 +00:00
|
|
|
if (receiver->IsJSGlobalProxy()) {
|
|
|
|
__ CheckAccessGlobalProxy(r3, r1, &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(receiver->IsJSGlobalProxy() || !receiver->IsAccessCheckNeeded());
|
2008-07-03 15:10:15 +00:00
|
|
|
|
|
|
|
__ ldr(ip, MemOperand(sp)); // receiver
|
|
|
|
__ push(ip);
|
|
|
|
__ push(r2); // name
|
|
|
|
__ push(r0); // value
|
|
|
|
|
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));
|
2008-08-13 09:32:07 +00:00
|
|
|
__ TailCallRuntime(store_ic_property, 3);
|
2008-07-03 15:10:15 +00:00
|
|
|
|
|
|
|
// Handle store cache miss.
|
|
|
|
__ bind(&miss);
|
|
|
|
__ mov(r2, Operand(Handle<String>(name))); // restore name
|
|
|
|
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
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
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 -------------
|
|
|
|
// -- r2 : name
|
|
|
|
// -- lr : return address
|
|
|
|
// -- [sp] : receiver
|
|
|
|
// -----------------------------------
|
|
|
|
Label miss;
|
|
|
|
|
2008-08-13 09:32:07 +00:00
|
|
|
__ ldr(r0, MemOperand(sp, 0));
|
|
|
|
|
2008-11-13 01:18:31 +00:00
|
|
|
GenerateLoadField(masm(), object, holder, r0, r3, r1, index, &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
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
Object* LoadStubCompiler::CompileLoadCallback(JSObject* object,
|
|
|
|
JSObject* holder,
|
2009-03-04 06:14:34 +00:00
|
|
|
AccessorInfo* callback,
|
|
|
|
String* name) {
|
2008-07-03 15:10:15 +00:00
|
|
|
// ----------- S t a t e -------------
|
|
|
|
// -- r2 : name
|
|
|
|
// -- lr : return address
|
|
|
|
// -- [sp] : receiver
|
|
|
|
// -----------------------------------
|
|
|
|
Label miss;
|
|
|
|
|
2008-08-13 09:32:07 +00:00
|
|
|
__ ldr(r0, MemOperand(sp, 0));
|
2008-11-13 01:18:31 +00:00
|
|
|
GenerateLoadCallback(masm(), object, holder, r0, r2, r3, r1, callback, &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(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 -------------
|
|
|
|
// -- r2 : name
|
|
|
|
// -- lr : return address
|
|
|
|
// -- [sp] : receiver
|
|
|
|
// -----------------------------------
|
|
|
|
Label miss;
|
|
|
|
|
2008-08-13 09:32:07 +00:00
|
|
|
__ ldr(r0, MemOperand(sp, 0));
|
2008-07-03 15:10:15 +00:00
|
|
|
|
2008-11-13 01:18:31 +00:00
|
|
|
GenerateLoadConstant(masm(), object, holder, r0, r3, r1, value, &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 -------------
|
|
|
|
// -- r2 : name
|
|
|
|
// -- lr : return address
|
|
|
|
// -- [sp] : receiver
|
|
|
|
// -----------------------------------
|
|
|
|
Label miss;
|
|
|
|
|
2008-08-13 09:32:07 +00:00
|
|
|
__ ldr(r0, MemOperand(sp, 0));
|
2008-07-03 15:10:15 +00:00
|
|
|
|
2009-06-05 08:07:15 +00:00
|
|
|
GenerateLoadInterceptor(masm(),
|
|
|
|
object,
|
|
|
|
holder,
|
|
|
|
holder->InterceptorPropertyLookupHint(name),
|
|
|
|
r0,
|
|
|
|
r2,
|
|
|
|
r3,
|
|
|
|
r1,
|
|
|
|
&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
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// TODO(1224671): IC stubs for keyed loads have not been implemented
|
|
|
|
// for ARM.
|
|
|
|
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
|
|
|
|
// -- sp[0] : key
|
|
|
|
// -- sp[4] : receiver
|
|
|
|
// -----------------------------------
|
|
|
|
Label miss;
|
|
|
|
|
|
|
|
__ ldr(r2, MemOperand(sp, 0));
|
|
|
|
__ ldr(r0, MemOperand(sp, kPointerSize));
|
|
|
|
|
|
|
|
__ cmp(r2, Operand(Handle<String>(name)));
|
|
|
|
__ b(ne, &miss);
|
|
|
|
|
|
|
|
GenerateLoadField(masm(), receiver, holder, r0, r3, r1, index, &miss);
|
|
|
|
__ 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
|
|
|
|
// -- sp[0] : key
|
|
|
|
// -- sp[4] : receiver
|
|
|
|
// -----------------------------------
|
|
|
|
Label miss;
|
|
|
|
|
|
|
|
__ ldr(r2, MemOperand(sp, 0));
|
|
|
|
__ ldr(r0, MemOperand(sp, kPointerSize));
|
|
|
|
|
|
|
|
__ cmp(r2, Operand(Handle<String>(name)));
|
|
|
|
__ b(ne, &miss);
|
|
|
|
|
|
|
|
GenerateLoadCallback(masm(), receiver, holder, r0, r2, r3,
|
|
|
|
r1, callback, &miss);
|
|
|
|
__ 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
|
|
|
|
// -- sp[0] : key
|
|
|
|
// -- sp[4] : receiver
|
|
|
|
// -----------------------------------
|
|
|
|
Label miss;
|
|
|
|
|
|
|
|
// Check the key is the cached one
|
|
|
|
__ ldr(r2, MemOperand(sp, 0));
|
|
|
|
__ ldr(r0, MemOperand(sp, kPointerSize));
|
|
|
|
|
|
|
|
__ cmp(r2, Operand(Handle<String>(name)));
|
|
|
|
__ b(ne, &miss);
|
|
|
|
|
|
|
|
GenerateLoadConstant(masm(), receiver, holder, r0, r3, r1, value, &miss);
|
|
|
|
__ 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
|
|
|
|
// -- sp[0] : key
|
|
|
|
// -- sp[4] : receiver
|
|
|
|
// -----------------------------------
|
|
|
|
Label miss;
|
|
|
|
|
|
|
|
// Check the key is the cached one
|
|
|
|
__ ldr(r2, MemOperand(sp, 0));
|
|
|
|
__ ldr(r0, MemOperand(sp, kPointerSize));
|
|
|
|
|
|
|
|
__ cmp(r2, Operand(Handle<String>(name)));
|
|
|
|
__ b(ne, &miss);
|
|
|
|
|
2009-06-05 08:07:15 +00:00
|
|
|
GenerateLoadInterceptor(masm(),
|
|
|
|
receiver,
|
|
|
|
holder,
|
|
|
|
Smi::FromInt(JSObject::kLookupInHolder),
|
|
|
|
r0,
|
|
|
|
r2,
|
|
|
|
r3,
|
|
|
|
r1,
|
|
|
|
&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
|
|
|
|
// -- sp[0] : key
|
|
|
|
// -- sp[4] : receiver
|
|
|
|
// -----------------------------------
|
|
|
|
Label miss;
|
|
|
|
|
|
|
|
// Check the key is the cached one
|
|
|
|
__ ldr(r2, MemOperand(sp, 0));
|
|
|
|
__ ldr(r0, MemOperand(sp, kPointerSize));
|
|
|
|
|
|
|
|
__ cmp(r2, Operand(Handle<String>(name)));
|
|
|
|
__ b(ne, &miss);
|
|
|
|
|
|
|
|
GenerateLoadArrayLength(masm(), r0, r3, &miss);
|
|
|
|
__ 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
|
|
|
|
// -- sp[0] : key
|
|
|
|
// -- sp[4] : receiver
|
|
|
|
// -----------------------------------
|
2008-11-20 16:59:00 +00:00
|
|
|
Label miss;
|
|
|
|
__ IncrementCounter(&Counters::keyed_load_string_length, 1, r1, r3);
|
|
|
|
|
|
|
|
__ ldr(r2, MemOperand(sp));
|
|
|
|
__ ldr(r0, MemOperand(sp, kPointerSize)); // receiver
|
|
|
|
|
|
|
|
__ cmp(r2, Operand(Handle<String>(name)));
|
|
|
|
__ b(ne, &miss);
|
|
|
|
|
|
|
|
GenerateLoadStringLength2(masm(), r0, r1, r3, &miss);
|
|
|
|
__ 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
|
|
|
|
// -- sp[0] : key
|
|
|
|
// -- sp[4] : receiver
|
|
|
|
// -----------------------------------
|
|
|
|
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
|
|
|
|
// -- r2 : name
|
|
|
|
// -- lr : return address
|
|
|
|
// -- [sp] : receiver
|
|
|
|
// -----------------------------------
|
2008-11-20 16:59:00 +00:00
|
|
|
Label miss;
|
|
|
|
|
|
|
|
__ IncrementCounter(&Counters::keyed_store_field, 1, r1, r3);
|
|
|
|
|
|
|
|
// Check that the name has not changed.
|
|
|
|
__ cmp(r2, Operand(Handle<String>(name)));
|
|
|
|
__ b(ne, &miss);
|
|
|
|
|
|
|
|
// Load receiver from the stack.
|
|
|
|
__ ldr(r3, MemOperand(sp));
|
|
|
|
// r1 is used as scratch register, r3 and r2 might be clobbered.
|
|
|
|
GenerateStoreField(masm(),
|
|
|
|
Builtins::StoreIC_ExtendStorage,
|
|
|
|
object,
|
|
|
|
index,
|
|
|
|
transition,
|
|
|
|
r3, r2, r1,
|
|
|
|
&miss);
|
|
|
|
__ bind(&miss);
|
|
|
|
|
|
|
|
__ DecrementCounter(&Counters::keyed_store_field, 1, r1, r3);
|
|
|
|
__ mov(r2, Operand(Handle<String>(name))); // restore name register.
|
2008-11-13 01:18:31 +00:00
|
|
|
Handle<Code> ic(Builtins::builtin(Builtins::KeyedStoreIC_Miss));
|
|
|
|
__ 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
|
|
|
|
|
|
|
|
|
|
|
#undef __
|
|
|
|
|
|
|
|
} } // namespace v8::internal
|