Index: src/stub-cache-ia32.cc |
diff --git a/src/stub-cache-ia32.cc b/src/stub-cache-ia32.cc |
deleted file mode 100644 |
index bdfc3d6c310644c4f5cf589418aaedb1a00169bd..0000000000000000000000000000000000000000 |
--- a/src/stub-cache-ia32.cc |
+++ /dev/null |
@@ -1,1179 +0,0 @@ |
-// Copyright 2006-2008 the V8 project authors. All rights reserved. |
-// Redistribution and use in source and binary forms, with or without |
-// modification, are permitted provided that the following conditions are |
-// met: |
-// |
-// * Redistributions of source code must retain the above copyright |
-// notice, this list of conditions and the following disclaimer. |
-// * Redistributions in binary form must reproduce the above |
-// copyright notice, this list of conditions and the following |
-// disclaimer in the documentation and/or other materials provided |
-// with the distribution. |
-// * Neither the name of Google Inc. nor the names of its |
-// contributors may be used to endorse or promote products derived |
-// from this software without specific prior written permission. |
-// |
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
- |
-#include "v8.h" |
- |
-#include "ic-inl.h" |
-#include "codegen-inl.h" |
-#include "stub-cache.h" |
- |
-namespace v8 { namespace internal { |
- |
-#define __ ACCESS_MASM(masm) |
- |
- |
-static void ProbeTable(MacroAssembler* masm, |
- Code::Flags flags, |
- StubCache::Table table, |
- Register name, |
- Register offset) { |
- ExternalReference key_offset(SCTableReference::keyReference(table)); |
- ExternalReference value_offset(SCTableReference::valueReference(table)); |
- |
- Label miss; |
- |
- // Save the offset on the stack. |
- __ push(offset); |
- |
- // Check that the key in the entry matches the name. |
- __ cmp(name, Operand::StaticArray(offset, times_2, key_offset)); |
- __ j(not_equal, &miss, not_taken); |
- |
- // Get the code entry from the cache. |
- __ mov(offset, Operand::StaticArray(offset, times_2, value_offset)); |
- |
- // Check that the flags match what we're looking for. |
- __ mov(offset, FieldOperand(offset, Code::kFlagsOffset)); |
- __ and_(offset, ~Code::kFlagsTypeMask); |
- __ cmp(offset, flags); |
- __ j(not_equal, &miss); |
- |
- // Restore offset and re-load code entry from cache. |
- __ pop(offset); |
- __ mov(offset, Operand::StaticArray(offset, times_2, value_offset)); |
- |
- // Jump to the first instruction in the code stub. |
- __ add(Operand(offset), Immediate(Code::kHeaderSize - kHeapObjectTag)); |
- __ jmp(Operand(offset)); |
- |
- // Miss: Restore offset and fall through. |
- __ bind(&miss); |
- __ pop(offset); |
-} |
- |
- |
-void StubCache::GenerateProbe(MacroAssembler* masm, |
- Code::Flags flags, |
- Register receiver, |
- Register name, |
- Register scratch) { |
- Label miss; |
- |
- // Make sure that code is valid. The shifting code relies on the |
- // entry size being 8. |
- ASSERT(sizeof(Entry) == 8); |
- |
- // Make sure the flags does not name a specific type. |
- ASSERT(Code::ExtractTypeFromFlags(flags) == 0); |
- |
- // Make sure that there are no register conflicts. |
- ASSERT(!scratch.is(receiver)); |
- ASSERT(!scratch.is(name)); |
- |
- // Check that the receiver isn't a smi. |
- __ test(receiver, Immediate(kSmiTagMask)); |
- __ j(zero, &miss, not_taken); |
- |
- // Get the map of the receiver and compute the hash. |
- __ mov(scratch, FieldOperand(name, String::kLengthOffset)); |
- __ add(scratch, FieldOperand(receiver, HeapObject::kMapOffset)); |
- __ xor_(scratch, flags); |
- __ and_(scratch, (kPrimaryTableSize - 1) << kHeapObjectTagSize); |
- |
- // Probe the primary table. |
- ProbeTable(masm, flags, kPrimary, name, scratch); |
- |
- // Primary miss: Compute hash for secondary probe. |
- __ sub(scratch, Operand(name)); |
- __ add(Operand(scratch), Immediate(flags)); |
- __ and_(scratch, (kSecondaryTableSize - 1) << kHeapObjectTagSize); |
- |
- // Probe the secondary table. |
- ProbeTable(masm, flags, kSecondary, name, scratch); |
- |
- // Cache miss: Fall-through and let caller handle the miss by |
- // entering the runtime system. |
- __ bind(&miss); |
-} |
- |
- |
-void StubCompiler::GenerateLoadGlobalFunctionPrototype(MacroAssembler* masm, |
- int index, |
- Register prototype) { |
- // Load the global or builtins object from the current context. |
- __ mov(prototype, Operand(esi, Context::SlotOffset(Context::GLOBAL_INDEX))); |
- // Load the global context from the global or builtins object. |
- __ mov(prototype, |
- FieldOperand(prototype, GlobalObject::kGlobalContextOffset)); |
- // Load the function from the global context. |
- __ mov(prototype, Operand(prototype, Context::SlotOffset(index))); |
- // Load the initial map. The global functions all have initial maps. |
- __ mov(prototype, |
- FieldOperand(prototype, JSFunction::kPrototypeOrInitialMapOffset)); |
- // Load the prototype from the initial map. |
- __ mov(prototype, FieldOperand(prototype, Map::kPrototypeOffset)); |
-} |
- |
- |
-void StubCompiler::GenerateLoadArrayLength(MacroAssembler* masm, |
- Register receiver, |
- Register scratch, |
- Label* miss_label) { |
- // Check that the receiver isn't a smi. |
- __ test(receiver, Immediate(kSmiTagMask)); |
- __ j(zero, miss_label, not_taken); |
- |
- // Check that the object is a JS array. |
- __ CmpObjectType(receiver, JS_ARRAY_TYPE, scratch); |
- __ j(not_equal, miss_label, not_taken); |
- |
- // Load length directly from the JS array. |
- __ mov(eax, FieldOperand(receiver, JSArray::kLengthOffset)); |
- __ ret(0); |
-} |
- |
- |
-// Generate code to check if an object is a string. If the object is |
-// a string, the map's instance type is left in the scratch register. |
-static void GenerateStringCheck(MacroAssembler* masm, |
- Register receiver, |
- Register scratch, |
- Label* smi, |
- Label* non_string_object) { |
- // Check that the object isn't a smi. |
- __ test(receiver, Immediate(kSmiTagMask)); |
- __ j(zero, smi, not_taken); |
- |
- // Check that the object is a string. |
- __ mov(scratch, FieldOperand(receiver, HeapObject::kMapOffset)); |
- __ movzx_b(scratch, FieldOperand(scratch, Map::kInstanceTypeOffset)); |
- ASSERT(kNotStringTag != 0); |
- __ test(scratch, Immediate(kNotStringTag)); |
- __ j(not_zero, non_string_object, not_taken); |
-} |
- |
- |
-void StubCompiler::GenerateLoadStringLength(MacroAssembler* masm, |
- Register receiver, |
- Register scratch, |
- Label* miss) { |
- Label load_length, check_wrapper; |
- |
- // Check if the object is a string leaving the instance type in the |
- // scratch register. |
- GenerateStringCheck(masm, receiver, scratch, miss, &check_wrapper); |
- |
- // Load length directly from the string. |
- __ bind(&load_length); |
- __ and_(scratch, kStringSizeMask); |
- __ mov(eax, FieldOperand(receiver, String::kLengthOffset)); |
- // ecx is also the receiver. |
- __ lea(ecx, Operand(scratch, String::kLongLengthShift)); |
- __ shr(eax); // ecx is implicit shift register. |
- __ shl(eax, kSmiTagSize); |
- __ ret(0); |
- |
- // Check if the object is a JSValue wrapper. |
- __ bind(&check_wrapper); |
- __ cmp(scratch, JS_VALUE_TYPE); |
- __ j(not_equal, miss, not_taken); |
- |
- // Check if the wrapped value is a string and load the length |
- // directly if it is. |
- __ mov(receiver, FieldOperand(receiver, JSValue::kValueOffset)); |
- GenerateStringCheck(masm, receiver, scratch, miss, miss); |
- __ jmp(&load_length); |
-} |
- |
- |
-void StubCompiler::GenerateLoadFunctionPrototype(MacroAssembler* masm, |
- Register receiver, |
- Register scratch1, |
- Register scratch2, |
- Label* miss_label) { |
- __ TryGetFunctionPrototype(receiver, scratch1, scratch2, miss_label); |
- __ mov(eax, Operand(scratch1)); |
- __ ret(0); |
-} |
- |
- |
-// Load a fast property out of a holder object (src). In-object properties |
-// are loaded directly otherwise the property is loaded from the properties |
-// fixed array. |
-void StubCompiler::GenerateFastPropertyLoad(MacroAssembler* masm, |
- Register dst, Register src, |
- JSObject* holder, int index) { |
- // Adjust for the number of properties stored in the holder. |
- index -= holder->map()->inobject_properties(); |
- if (index < 0) { |
- // Get the property straight out of the holder. |
- int offset = holder->map()->instance_size() + (index * kPointerSize); |
- __ mov(dst, FieldOperand(src, offset)); |
- } else { |
- // Calculate the offset into the properties array. |
- int offset = index * kPointerSize + Array::kHeaderSize; |
- __ mov(dst, FieldOperand(src, JSObject::kPropertiesOffset)); |
- __ mov(dst, FieldOperand(dst, offset)); |
- } |
-} |
- |
- |
-void StubCompiler::GenerateLoadField(MacroAssembler* masm, |
- JSObject* object, |
- JSObject* holder, |
- Register receiver, |
- Register scratch1, |
- Register scratch2, |
- int index, |
- Label* miss_label) { |
- // Check that the receiver isn't a smi. |
- __ test(receiver, Immediate(kSmiTagMask)); |
- __ j(zero, miss_label, not_taken); |
- |
- // Check that the maps haven't changed. |
- Register reg = |
- masm->CheckMaps(object, receiver, holder, scratch1, scratch2, miss_label); |
- |
- // Get the value from the properties. |
- GenerateFastPropertyLoad(masm, eax, reg, holder, index); |
- __ ret(0); |
-} |
- |
- |
-void StubCompiler::GenerateLoadCallback(MacroAssembler* masm, |
- JSObject* object, |
- JSObject* holder, |
- Register receiver, |
- Register name, |
- Register scratch1, |
- Register scratch2, |
- AccessorInfo* callback, |
- Label* miss_label) { |
- // Check that the receiver isn't a smi. |
- __ test(receiver, Immediate(kSmiTagMask)); |
- __ j(zero, miss_label, not_taken); |
- |
- // Check that the maps haven't changed. |
- Register reg = |
- masm->CheckMaps(object, receiver, holder, scratch1, scratch2, miss_label); |
- |
- // Push the arguments on the JS stack of the caller. |
- __ pop(scratch2); // remove return address |
- __ push(receiver); // receiver |
- __ push(Immediate(Handle<AccessorInfo>(callback))); // callback data |
- __ push(name); // name |
- __ push(reg); // holder |
- __ push(scratch2); // restore return address |
- |
- // Do tail-call to the runtime system. |
- ExternalReference load_callback_property = |
- ExternalReference(IC_Utility(IC::kLoadCallbackProperty)); |
- __ TailCallRuntime(load_callback_property, 4); |
-} |
- |
- |
-void StubCompiler::GenerateLoadConstant(MacroAssembler* masm, |
- JSObject* object, |
- JSObject* holder, |
- Register receiver, |
- Register scratch1, |
- Register scratch2, |
- Object* value, |
- Label* miss_label) { |
- // Check that the receiver isn't a smi. |
- __ test(receiver, Immediate(kSmiTagMask)); |
- __ j(zero, miss_label, not_taken); |
- |
- // Check that the maps haven't changed. |
- Register reg = |
- masm->CheckMaps(object, receiver, holder, scratch1, scratch2, miss_label); |
- |
- // Return the constant value. |
- __ mov(eax, Handle<Object>(value)); |
- __ ret(0); |
-} |
- |
- |
-void StubCompiler::GenerateLoadInterceptor(MacroAssembler* masm, |
- JSObject* object, |
- JSObject* holder, |
- Register receiver, |
- Register name, |
- Register scratch1, |
- Register scratch2, |
- Label* miss_label) { |
- // Check that the receiver isn't a smi. |
- __ test(receiver, Immediate(kSmiTagMask)); |
- __ j(zero, miss_label, not_taken); |
- |
- // Check that the maps haven't changed. |
- Register reg = |
- masm->CheckMaps(object, receiver, holder, scratch1, scratch2, miss_label); |
- |
- // Push the arguments on the JS stack of the caller. |
- __ pop(scratch2); // remove return address |
- __ push(receiver); // receiver |
- __ push(reg); // holder |
- __ push(name); // name |
- __ push(scratch2); // restore return address |
- |
- // Do tail-call to the runtime system. |
- ExternalReference load_ic_property = |
- ExternalReference(IC_Utility(IC::kLoadInterceptorProperty)); |
- __ TailCallRuntime(load_ic_property, 3); |
-} |
- |
- |
-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); |
- __ jmp(ic, RelocInfo::CODE_TARGET); |
-} |
- |
- |
-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) { |
- // Check that the object isn't a smi. |
- __ test(receiver_reg, Immediate(kSmiTagMask)); |
- __ j(zero, miss_label, not_taken); |
- |
- // Check that the map of the object hasn't changed. |
- __ cmp(FieldOperand(receiver_reg, HeapObject::kMapOffset), |
- Immediate(Handle<Map>(object->map()))); |
- __ j(not_equal, miss_label, not_taken); |
- |
- // 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. |
- // We jump to a runtime call that extends the properties array. |
- __ mov(ecx, Immediate(Handle<Map>(transition))); |
- Handle<Code> ic(Builtins::builtin(storage_extend)); |
- __ jmp(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(FieldOperand(receiver_reg, HeapObject::kMapOffset), |
- Immediate(Handle<Map>(transition))); |
- } |
- |
- // 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); |
- __ mov(FieldOperand(receiver_reg, offset), eax); |
- |
- // Update the write barrier for the array address. |
- // Pass the value being stored in the now unused name_reg. |
- __ mov(name_reg, Operand(eax)); |
- __ RecordWrite(receiver_reg, offset, name_reg, scratch); |
- } else { |
- // Write to the properties array. |
- int offset = index * kPointerSize + Array::kHeaderSize; |
- // Get the properties array (optimistically). |
- __ mov(scratch, FieldOperand(receiver_reg, JSObject::kPropertiesOffset)); |
- __ mov(FieldOperand(scratch, offset), eax); |
- |
- // Update the write barrier for the array address. |
- // Pass the value being stored in the now unused name_reg. |
- __ mov(name_reg, Operand(eax)); |
- __ RecordWrite(scratch, offset, name_reg, receiver_reg); |
- } |
- |
- // Return the value (register eax). |
- __ ret(0); |
-} |
- |
- |
-#undef __ |
- |
-#define __ ACCESS_MASM(masm()) |
- |
- |
-// TODO(1241006): Avoid having lazy compile stubs specialized by the |
-// number of arguments. It is not needed anymore. |
-Object* StubCompiler::CompileLazyCompile(Code::Flags flags) { |
- // Enter an internal frame. |
- __ EnterInternalFrame(); |
- |
- // Push a copy of the function onto the stack. |
- __ push(edi); |
- |
- __ push(edi); // function is also the parameter to the runtime call |
- __ CallRuntime(Runtime::kLazyCompile, 1); |
- __ pop(edi); |
- |
- // Tear down temporary frame. |
- __ LeaveInternalFrame(); |
- |
- // Do a tail-call of the compiled function. |
- __ lea(ecx, FieldOperand(eax, Code::kHeaderSize)); |
- __ jmp(Operand(ecx)); |
- |
- return GetCodeWithFlags(flags, "LazyCompileStub"); |
-} |
- |
- |
-Object* CallStubCompiler::CompileCallField(Object* object, |
- JSObject* holder, |
- int index, |
- String* name) { |
- // ----------- S t a t e ------------- |
- // ----------------------------------- |
- Label miss; |
- |
- // Get the receiver from the stack. |
- const int argc = arguments().immediate(); |
- __ mov(edx, Operand(esp, (argc + 1) * kPointerSize)); |
- |
- // Check that the receiver isn't a smi. |
- __ test(edx, Immediate(kSmiTagMask)); |
- __ j(zero, &miss, not_taken); |
- |
- // Do the right check and compute the holder register. |
- Register reg = |
- masm()->CheckMaps(JSObject::cast(object), edx, holder, ebx, ecx, &miss); |
- |
- GenerateFastPropertyLoad(masm(), edi, reg, holder, index); |
- |
- // Check that the function really is a function. |
- __ test(edi, Immediate(kSmiTagMask)); |
- __ j(zero, &miss, not_taken); |
- __ CmpObjectType(edi, JS_FUNCTION_TYPE, ebx); |
- __ j(not_equal, &miss, not_taken); |
- |
- // Patch the receiver on the stack with the global proxy if |
- // necessary. |
- if (object->IsGlobalObject()) { |
- __ mov(edx, FieldOperand(edx, GlobalObject::kGlobalReceiverOffset)); |
- __ mov(Operand(esp, (argc + 1) * kPointerSize), edx); |
- } |
- |
- // Invoke the function. |
- __ InvokeFunction(edi, arguments(), JUMP_FUNCTION); |
- |
- // Handle call cache miss. |
- __ bind(&miss); |
- Handle<Code> ic = ComputeCallMiss(arguments().immediate()); |
- __ jmp(ic, RelocInfo::CODE_TARGET); |
- |
- // Return the generated code. |
- return GetCode(FIELD, name); |
-} |
- |
- |
-Object* CallStubCompiler::CompileCallConstant(Object* object, |
- JSObject* holder, |
- JSFunction* function, |
- CheckType check) { |
- // ----------- S t a t e ------------- |
- // ----------------------------------- |
- Label miss; |
- |
- // Get the receiver from the stack. |
- const int argc = arguments().immediate(); |
- __ mov(edx, Operand(esp, (argc + 1) * kPointerSize)); |
- |
- // Check that the receiver isn't a smi. |
- if (check != NUMBER_CHECK) { |
- __ test(edx, Immediate(kSmiTagMask)); |
- __ j(zero, &miss, not_taken); |
- } |
- |
- // 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); |
- |
- switch (check) { |
- case RECEIVER_MAP_CHECK: |
- // Check that the maps haven't changed. |
- __ CheckMaps(JSObject::cast(object), edx, holder, ebx, ecx, &miss); |
- |
- // Patch the receiver on the stack with the global proxy if |
- // necessary. |
- if (object->IsGlobalObject()) { |
- __ mov(edx, FieldOperand(edx, GlobalObject::kGlobalReceiverOffset)); |
- __ mov(Operand(esp, (argc + 1) * kPointerSize), edx); |
- } |
- break; |
- |
- case STRING_CHECK: |
- // Check that the object is a two-byte string or a symbol. |
- __ mov(ecx, FieldOperand(edx, HeapObject::kMapOffset)); |
- __ movzx_b(ecx, FieldOperand(ecx, Map::kInstanceTypeOffset)); |
- __ cmp(ecx, FIRST_NONSTRING_TYPE); |
- __ j(above_equal, &miss, not_taken); |
- // Check that the maps starting from the prototype haven't changed. |
- GenerateLoadGlobalFunctionPrototype(masm(), |
- Context::STRING_FUNCTION_INDEX, |
- ecx); |
- __ CheckMaps(JSObject::cast(object->GetPrototype()), |
- ecx, holder, ebx, edx, &miss); |
- break; |
- |
- case NUMBER_CHECK: { |
- Label fast; |
- // Check that the object is a smi or a heap number. |
- __ test(edx, Immediate(kSmiTagMask)); |
- __ j(zero, &fast, taken); |
- __ CmpObjectType(edx, HEAP_NUMBER_TYPE, ecx); |
- __ j(not_equal, &miss, not_taken); |
- __ bind(&fast); |
- // Check that the maps starting from the prototype haven't changed. |
- GenerateLoadGlobalFunctionPrototype(masm(), |
- Context::NUMBER_FUNCTION_INDEX, |
- ecx); |
- __ CheckMaps(JSObject::cast(object->GetPrototype()), |
- ecx, holder, ebx, edx, &miss); |
- break; |
- } |
- |
- case BOOLEAN_CHECK: { |
- Label fast; |
- // Check that the object is a boolean. |
- __ cmp(edx, Factory::true_value()); |
- __ j(equal, &fast, taken); |
- __ cmp(edx, Factory::false_value()); |
- __ j(not_equal, &miss, not_taken); |
- __ bind(&fast); |
- // Check that the maps starting from the prototype haven't changed. |
- GenerateLoadGlobalFunctionPrototype(masm(), |
- Context::BOOLEAN_FUNCTION_INDEX, |
- ecx); |
- __ CheckMaps(JSObject::cast(object->GetPrototype()), |
- ecx, holder, ebx, edx, &miss); |
- break; |
- } |
- |
- case JSARRAY_HAS_FAST_ELEMENTS_CHECK: |
- __ CheckMaps(JSObject::cast(object), edx, holder, ebx, ecx, &miss); |
- // Make sure object->elements()->map() != Heap::dictionary_array_map() |
- // Get the elements array of the object. |
- __ mov(ebx, FieldOperand(edx, JSObject::kElementsOffset)); |
- // Check that the object is in fast mode (not dictionary). |
- __ cmp(FieldOperand(ebx, HeapObject::kMapOffset), |
- Immediate(Factory::hash_table_map())); |
- __ j(equal, &miss, not_taken); |
- break; |
- |
- default: |
- UNREACHABLE(); |
- } |
- |
- // Get the function and setup the context. |
- __ mov(edi, Immediate(Handle<JSFunction>(function))); |
- __ mov(esi, FieldOperand(edi, JSFunction::kContextOffset)); |
- |
- // Jump to the cached code (tail call). |
- 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); |
- Handle<Code> ic = ComputeCallMiss(arguments().immediate()); |
- __ jmp(ic, RelocInfo::CODE_TARGET); |
- |
- // Return the generated code. |
- String* function_name = NULL; |
- if (function->shared()->name()->IsString()) { |
- function_name = String::cast(function->shared()->name()); |
- } |
- return GetCode(CONSTANT_FUNCTION, function_name); |
-} |
- |
- |
-Object* CallStubCompiler::CompileCallInterceptor(Object* object, |
- JSObject* holder, |
- String* name) { |
- // ----------- S t a t e ------------- |
- // ----------------------------------- |
- Label miss; |
- |
- // Get the number of arguments. |
- const int argc = arguments().immediate(); |
- |
- // Get the receiver from the stack. |
- __ mov(edx, Operand(esp, (argc + 1) * kPointerSize)); |
- |
- // Check that the receiver isn't a smi. |
- __ test(edx, Immediate(kSmiTagMask)); |
- __ j(zero, &miss, not_taken); |
- |
- // Check that maps have not changed and compute the holder register. |
- Register reg = |
- masm()->CheckMaps(JSObject::cast(object), edx, holder, ebx, ecx, &miss); |
- |
- // Enter an internal frame. |
- __ EnterInternalFrame(); |
- |
- // Push arguments on the expression stack. |
- __ push(edx); // receiver |
- __ push(reg); // holder |
- __ push(Operand(ebp, (argc + 3) * kPointerSize)); // name |
- |
- // Perform call. |
- ExternalReference load_interceptor = |
- ExternalReference(IC_Utility(IC::kLoadInterceptorProperty)); |
- __ mov(eax, Immediate(3)); |
- __ mov(ebx, Immediate(load_interceptor)); |
- |
- CEntryStub stub; |
- __ CallStub(&stub); |
- |
- // Move result to edi and restore receiver. |
- __ mov(edi, eax); |
- __ mov(edx, Operand(ebp, (argc + 2) * kPointerSize)); // receiver |
- |
- // Exit frame. |
- __ LeaveInternalFrame(); |
- |
- // Check that the function really is a function. |
- __ test(edi, Immediate(kSmiTagMask)); |
- __ j(zero, &miss, not_taken); |
- __ CmpObjectType(edi, JS_FUNCTION_TYPE, ebx); |
- __ j(not_equal, &miss, not_taken); |
- |
- // Patch the receiver on the stack with the global proxy if |
- // necessary. |
- if (object->IsGlobalObject()) { |
- __ mov(edx, FieldOperand(edx, GlobalObject::kGlobalReceiverOffset)); |
- __ mov(Operand(esp, (argc + 1) * kPointerSize), edx); |
- } |
- |
- // Invoke the function. |
- __ InvokeFunction(edi, arguments(), JUMP_FUNCTION); |
- |
- // Handle load cache miss. |
- __ bind(&miss); |
- Handle<Code> ic = ComputeCallMiss(argc); |
- __ jmp(ic, RelocInfo::CODE_TARGET); |
- |
- // Return the generated code. |
- return GetCode(INTERCEPTOR, name); |
-} |
- |
- |
-Object* StoreStubCompiler::CompileStoreField(JSObject* object, |
- int index, |
- Map* transition, |
- String* name) { |
- // ----------- S t a t e ------------- |
- // -- eax : value |
- // -- ecx : name |
- // -- esp[0] : return address |
- // -- esp[4] : receiver |
- // ----------------------------------- |
- Label miss; |
- |
- // Get the object from the stack. |
- __ mov(ebx, Operand(esp, 1 * kPointerSize)); |
- |
- // Generate store field code. Trashes the name register. |
- GenerateStoreField(masm(), |
- Builtins::StoreIC_ExtendStorage, |
- object, |
- index, |
- transition, |
- ebx, ecx, edx, |
- &miss); |
- |
- // Handle store cache miss. |
- __ bind(&miss); |
- __ mov(ecx, Immediate(Handle<String>(name))); // restore name |
- Handle<Code> ic(Builtins::builtin(Builtins::StoreIC_Miss)); |
- __ jmp(ic, RelocInfo::CODE_TARGET); |
- |
- // Return the generated code. |
- return GetCode(transition == NULL ? FIELD : MAP_TRANSITION, name); |
-} |
- |
- |
-Object* StoreStubCompiler::CompileStoreCallback(JSObject* object, |
- AccessorInfo* callback, |
- String* name) { |
- // ----------- S t a t e ------------- |
- // -- eax : value |
- // -- ecx : name |
- // -- esp[0] : return address |
- // -- esp[4] : receiver |
- // ----------------------------------- |
- Label miss; |
- |
- // Get the object from the stack. |
- __ mov(ebx, Operand(esp, 1 * kPointerSize)); |
- |
- // Check that the object isn't a smi. |
- __ test(ebx, Immediate(kSmiTagMask)); |
- __ j(zero, &miss, not_taken); |
- |
- // Check that the map of the object hasn't changed. |
- __ cmp(FieldOperand(ebx, HeapObject::kMapOffset), |
- Immediate(Handle<Map>(object->map()))); |
- __ j(not_equal, &miss, not_taken); |
- |
- // Perform global security token check if needed. |
- if (object->IsJSGlobalProxy()) { |
- __ CheckAccessGlobalProxy(ebx, edx, &miss); |
- } |
- |
- // Stub never generated for non-global objects that require access |
- // checks. |
- ASSERT(object->IsJSGlobalProxy() || !object->IsAccessCheckNeeded()); |
- |
- __ pop(ebx); // remove the return address |
- __ push(Operand(esp, 0)); // receiver |
- __ push(Immediate(Handle<AccessorInfo>(callback))); // callback info |
- __ push(ecx); // name |
- __ push(eax); // value |
- __ push(ebx); // restore return address |
- |
- // Do tail-call to the runtime system. |
- ExternalReference store_callback_property = |
- ExternalReference(IC_Utility(IC::kStoreCallbackProperty)); |
- __ TailCallRuntime(store_callback_property, 4); |
- |
- // Handle store cache miss. |
- __ bind(&miss); |
- __ mov(ecx, Immediate(Handle<String>(name))); // restore name |
- Handle<Code> ic(Builtins::builtin(Builtins::StoreIC_Miss)); |
- __ jmp(ic, RelocInfo::CODE_TARGET); |
- |
- // Return the generated code. |
- return GetCode(CALLBACKS, name); |
-} |
- |
- |
-Object* StoreStubCompiler::CompileStoreInterceptor(JSObject* receiver, |
- String* name) { |
- // ----------- S t a t e ------------- |
- // -- eax : value |
- // -- ecx : name |
- // -- esp[0] : return address |
- // -- esp[4] : receiver |
- // ----------------------------------- |
- Label miss; |
- |
- // Get the object from the stack. |
- __ mov(ebx, Operand(esp, 1 * kPointerSize)); |
- |
- // Check that the object isn't a smi. |
- __ test(ebx, Immediate(kSmiTagMask)); |
- __ j(zero, &miss, not_taken); |
- |
- // Check that the map of the object hasn't changed. |
- __ cmp(FieldOperand(ebx, HeapObject::kMapOffset), |
- Immediate(Handle<Map>(receiver->map()))); |
- __ j(not_equal, &miss, not_taken); |
- |
- // Perform global security token check if needed. |
- if (receiver->IsJSGlobalProxy()) { |
- __ CheckAccessGlobalProxy(ebx, edx, &miss); |
- } |
- |
- // Stub never generated for non-global objects that require access |
- // checks. |
- ASSERT(receiver->IsJSGlobalProxy() || !receiver->IsAccessCheckNeeded()); |
- |
- __ pop(ebx); // remove the return address |
- __ push(Operand(esp, 0)); // receiver |
- __ push(ecx); // name |
- __ push(eax); // value |
- __ push(ebx); // restore return address |
- |
- // Do tail-call to the runtime system. |
- ExternalReference store_ic_property = |
- ExternalReference(IC_Utility(IC::kStoreInterceptorProperty)); |
- __ TailCallRuntime(store_ic_property, 3); |
- |
- // Handle store cache miss. |
- __ bind(&miss); |
- __ mov(ecx, Immediate(Handle<String>(name))); // restore name |
- Handle<Code> ic(Builtins::builtin(Builtins::StoreIC_Miss)); |
- __ jmp(ic, RelocInfo::CODE_TARGET); |
- |
- // Return the generated code. |
- return GetCode(INTERCEPTOR, name); |
-} |
- |
- |
-Object* KeyedStoreStubCompiler::CompileStoreField(JSObject* object, |
- int index, |
- Map* transition, |
- String* name) { |
- // ----------- S t a t e ------------- |
- // -- eax : value |
- // -- esp[0] : return address |
- // -- esp[4] : key |
- // -- esp[8] : receiver |
- // ----------------------------------- |
- Label miss; |
- |
- __ IncrementCounter(&Counters::keyed_store_field, 1); |
- |
- // Get the name from the stack. |
- __ mov(ecx, Operand(esp, 1 * kPointerSize)); |
- // Check that the name has not changed. |
- __ cmp(Operand(ecx), Immediate(Handle<String>(name))); |
- __ j(not_equal, &miss, not_taken); |
- |
- // Get the object from the stack. |
- __ mov(ebx, Operand(esp, 2 * kPointerSize)); |
- |
- // Generate store field code. Trashes the name register. |
- GenerateStoreField(masm(), |
- Builtins::KeyedStoreIC_ExtendStorage, |
- object, |
- index, |
- transition, |
- ebx, ecx, edx, |
- &miss); |
- |
- // Handle store cache miss. |
- __ bind(&miss); |
- __ DecrementCounter(&Counters::keyed_store_field, 1); |
- Handle<Code> ic(Builtins::builtin(Builtins::KeyedStoreIC_Miss)); |
- __ jmp(ic, RelocInfo::CODE_TARGET); |
- |
- // Return the generated code. |
- return GetCode(transition == NULL ? FIELD : MAP_TRANSITION, name); |
-} |
- |
- |
-Object* LoadStubCompiler::CompileLoadField(JSObject* object, |
- JSObject* holder, |
- int index, |
- String* name) { |
- // ----------- S t a t e ------------- |
- // -- ecx : name |
- // -- esp[0] : return address |
- // -- esp[4] : receiver |
- // ----------------------------------- |
- Label miss; |
- |
- __ mov(eax, (Operand(esp, kPointerSize))); |
- GenerateLoadField(masm(), object, holder, eax, ebx, edx, index, &miss); |
- __ bind(&miss); |
- GenerateLoadMiss(masm(), Code::LOAD_IC); |
- |
- // Return the generated code. |
- return GetCode(FIELD, name); |
-} |
- |
- |
-Object* LoadStubCompiler::CompileLoadCallback(JSObject* object, |
- JSObject* holder, |
- AccessorInfo* callback, |
- String* name) { |
- // ----------- S t a t e ------------- |
- // -- ecx : name |
- // -- esp[0] : return address |
- // -- esp[4] : receiver |
- // ----------------------------------- |
- Label miss; |
- |
- __ mov(eax, (Operand(esp, kPointerSize))); |
- GenerateLoadCallback(masm(), object, holder, eax, ecx, ebx, |
- edx, callback, &miss); |
- __ bind(&miss); |
- GenerateLoadMiss(masm(), Code::LOAD_IC); |
- |
- // Return the generated code. |
- return GetCode(CALLBACKS, name); |
-} |
- |
- |
-Object* LoadStubCompiler::CompileLoadConstant(JSObject* object, |
- JSObject* holder, |
- Object* value, |
- String* name) { |
- // ----------- S t a t e ------------- |
- // -- ecx : name |
- // -- esp[0] : return address |
- // -- esp[4] : receiver |
- // ----------------------------------- |
- Label miss; |
- |
- __ mov(eax, (Operand(esp, kPointerSize))); |
- GenerateLoadConstant(masm(), object, holder, eax, ebx, edx, value, &miss); |
- __ bind(&miss); |
- GenerateLoadMiss(masm(), Code::LOAD_IC); |
- |
- // Return the generated code. |
- return GetCode(CONSTANT_FUNCTION, name); |
-} |
- |
- |
-Object* LoadStubCompiler::CompileLoadInterceptor(JSObject* receiver, |
- JSObject* holder, |
- String* name) { |
- // ----------- S t a t e ------------- |
- // -- ecx : name |
- // -- esp[0] : return address |
- // -- esp[4] : receiver |
- // ----------------------------------- |
- Label miss; |
- |
- __ mov(eax, (Operand(esp, kPointerSize))); |
- GenerateLoadInterceptor(masm(), receiver, holder, eax, ecx, edx, ebx, &miss); |
- __ bind(&miss); |
- GenerateLoadMiss(masm(), Code::LOAD_IC); |
- |
- // Return the generated code. |
- return GetCode(INTERCEPTOR, name); |
-} |
- |
- |
-Object* KeyedLoadStubCompiler::CompileLoadField(String* name, |
- JSObject* receiver, |
- JSObject* holder, |
- int index) { |
- // ----------- S t a t e ------------- |
- // -- esp[0] : return address |
- // -- esp[4] : name |
- // -- esp[8] : receiver |
- // ----------------------------------- |
- Label miss; |
- |
- __ mov(eax, (Operand(esp, kPointerSize))); |
- __ mov(ecx, (Operand(esp, 2 * kPointerSize))); |
- __ IncrementCounter(&Counters::keyed_load_field, 1); |
- |
- // Check that the name has not changed. |
- __ cmp(Operand(eax), Immediate(Handle<String>(name))); |
- __ j(not_equal, &miss, not_taken); |
- |
- GenerateLoadField(masm(), receiver, holder, ecx, ebx, edx, index, &miss); |
- __ bind(&miss); |
- __ DecrementCounter(&Counters::keyed_load_field, 1); |
- GenerateLoadMiss(masm(), Code::KEYED_LOAD_IC); |
- |
- // Return the generated code. |
- return GetCode(FIELD, name); |
-} |
- |
- |
-Object* KeyedLoadStubCompiler::CompileLoadCallback(String* name, |
- JSObject* receiver, |
- JSObject* holder, |
- AccessorInfo* callback) { |
- // ----------- S t a t e ------------- |
- // -- esp[0] : return address |
- // -- esp[4] : name |
- // -- esp[8] : receiver |
- // ----------------------------------- |
- Label miss; |
- |
- __ mov(eax, (Operand(esp, kPointerSize))); |
- __ mov(ecx, (Operand(esp, 2 * kPointerSize))); |
- __ IncrementCounter(&Counters::keyed_load_callback, 1); |
- |
- // Check that the name has not changed. |
- __ cmp(Operand(eax), Immediate(Handle<String>(name))); |
- __ j(not_equal, &miss, not_taken); |
- |
- GenerateLoadCallback(masm(), receiver, holder, ecx, eax, ebx, edx, |
- callback, &miss); |
- __ bind(&miss); |
- __ DecrementCounter(&Counters::keyed_load_callback, 1); |
- GenerateLoadMiss(masm(), Code::KEYED_LOAD_IC); |
- |
- // Return the generated code. |
- return GetCode(CALLBACKS, name); |
-} |
- |
- |
-Object* KeyedLoadStubCompiler::CompileLoadConstant(String* name, |
- JSObject* receiver, |
- JSObject* holder, |
- Object* value) { |
- // ----------- S t a t e ------------- |
- // -- esp[0] : return address |
- // -- esp[4] : name |
- // -- esp[8] : receiver |
- // ----------------------------------- |
- Label miss; |
- |
- __ mov(eax, (Operand(esp, kPointerSize))); |
- __ mov(ecx, (Operand(esp, 2 * kPointerSize))); |
- __ IncrementCounter(&Counters::keyed_load_constant_function, 1); |
- |
- // Check that the name has not changed. |
- __ cmp(Operand(eax), Immediate(Handle<String>(name))); |
- __ j(not_equal, &miss, not_taken); |
- |
- GenerateLoadConstant(masm(), receiver, holder, ecx, ebx, edx, value, &miss); |
- __ bind(&miss); |
- __ DecrementCounter(&Counters::keyed_load_constant_function, 1); |
- GenerateLoadMiss(masm(), Code::KEYED_LOAD_IC); |
- |
- // Return the generated code. |
- return GetCode(CONSTANT_FUNCTION, name); |
-} |
- |
- |
-Object* KeyedLoadStubCompiler::CompileLoadInterceptor(JSObject* receiver, |
- JSObject* holder, |
- String* name) { |
- // ----------- S t a t e ------------- |
- // -- esp[0] : return address |
- // -- esp[4] : name |
- // -- esp[8] : receiver |
- // ----------------------------------- |
- Label miss; |
- |
- __ mov(eax, (Operand(esp, kPointerSize))); |
- __ mov(ecx, (Operand(esp, 2 * kPointerSize))); |
- __ IncrementCounter(&Counters::keyed_load_interceptor, 1); |
- |
- // Check that the name has not changed. |
- __ cmp(Operand(eax), Immediate(Handle<String>(name))); |
- __ j(not_equal, &miss, not_taken); |
- |
- GenerateLoadInterceptor(masm(), receiver, holder, ecx, eax, edx, ebx, &miss); |
- __ bind(&miss); |
- __ DecrementCounter(&Counters::keyed_load_interceptor, 1); |
- GenerateLoadMiss(masm(), Code::KEYED_LOAD_IC); |
- |
- // Return the generated code. |
- return GetCode(INTERCEPTOR, name); |
-} |
- |
- |
- |
- |
-Object* KeyedLoadStubCompiler::CompileLoadArrayLength(String* name) { |
- // ----------- S t a t e ------------- |
- // -- esp[0] : return address |
- // -- esp[4] : name |
- // -- esp[8] : receiver |
- // ----------------------------------- |
- Label miss; |
- |
- __ mov(eax, (Operand(esp, kPointerSize))); |
- __ mov(ecx, (Operand(esp, 2 * kPointerSize))); |
- __ IncrementCounter(&Counters::keyed_load_array_length, 1); |
- |
- // Check that the name has not changed. |
- __ cmp(Operand(eax), Immediate(Handle<String>(name))); |
- __ j(not_equal, &miss, not_taken); |
- |
- GenerateLoadArrayLength(masm(), ecx, edx, &miss); |
- __ bind(&miss); |
- __ DecrementCounter(&Counters::keyed_load_array_length, 1); |
- GenerateLoadMiss(masm(), Code::KEYED_LOAD_IC); |
- |
- // Return the generated code. |
- return GetCode(CALLBACKS, name); |
-} |
- |
- |
-Object* KeyedLoadStubCompiler::CompileLoadStringLength(String* name) { |
- // ----------- S t a t e ------------- |
- // -- esp[0] : return address |
- // -- esp[4] : name |
- // -- esp[8] : receiver |
- // ----------------------------------- |
- Label miss; |
- |
- __ mov(eax, (Operand(esp, kPointerSize))); |
- __ mov(ecx, (Operand(esp, 2 * kPointerSize))); |
- __ IncrementCounter(&Counters::keyed_load_string_length, 1); |
- |
- // Check that the name has not changed. |
- __ cmp(Operand(eax), Immediate(Handle<String>(name))); |
- __ j(not_equal, &miss, not_taken); |
- |
- GenerateLoadStringLength(masm(), ecx, edx, &miss); |
- __ bind(&miss); |
- __ DecrementCounter(&Counters::keyed_load_string_length, 1); |
- GenerateLoadMiss(masm(), Code::KEYED_LOAD_IC); |
- |
- // Return the generated code. |
- return GetCode(CALLBACKS, name); |
-} |
- |
- |
-Object* KeyedLoadStubCompiler::CompileLoadFunctionPrototype(String* name) { |
- // ----------- S t a t e ------------- |
- // -- esp[0] : return address |
- // -- esp[4] : name |
- // -- esp[8] : receiver |
- // ----------------------------------- |
- Label miss; |
- |
- __ mov(eax, (Operand(esp, kPointerSize))); |
- __ mov(ecx, (Operand(esp, 2 * kPointerSize))); |
- __ IncrementCounter(&Counters::keyed_load_function_prototype, 1); |
- |
- // Check that the name has not changed. |
- __ cmp(Operand(eax), Immediate(Handle<String>(name))); |
- __ j(not_equal, &miss, not_taken); |
- |
- GenerateLoadFunctionPrototype(masm(), ecx, edx, ebx, &miss); |
- __ bind(&miss); |
- __ DecrementCounter(&Counters::keyed_load_function_prototype, 1); |
- GenerateLoadMiss(masm(), Code::KEYED_LOAD_IC); |
- |
- // Return the generated code. |
- return GetCode(CALLBACKS, name); |
-} |
- |
- |
-#undef __ |
- |
-} } // namespace v8::internal |