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Unified Diff: src/stub-cache-arm.cc

Issue 92068: Move backend specific files to separate directories. (Closed)
Patch Set: Added CPPPATH flag and made all includes use same base path. Created 11 years, 8 months ago
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Index: src/stub-cache-arm.cc
diff --git a/src/stub-cache-arm.cc b/src/stub-cache-arm.cc
deleted file mode 100644
index 56afa0288484d59fd6bf030704f007dfc1a91913..0000000000000000000000000000000000000000
--- a/src/stub-cache-arm.cc
+++ /dev/null
@@ -1,1124 +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.
- __ mov(ip, Operand(key_offset));
- __ ldr(ip, MemOperand(ip, offset, LSL, 1));
- __ cmp(name, Operand(ip));
- __ b(ne, &miss);
-
- // Get the code entry from the cache.
- __ mov(ip, Operand(value_offset));
- __ ldr(offset, MemOperand(ip, offset, LSL, 1));
-
- // Check that the flags match what we're looking for.
- __ ldr(offset, FieldMemOperand(offset, Code::kFlagsOffset));
- __ and_(offset, offset, Operand(~Code::kFlagsTypeMask));
- __ cmp(offset, Operand(flags));
- __ b(ne, &miss);
-
- // Restore offset and re-load code entry from cache.
- __ pop(offset);
- __ mov(ip, Operand(value_offset));
- __ ldr(offset, MemOperand(ip, offset, LSL, 1));
-
- // Jump to the first instruction in the code stub.
- __ add(offset, offset, Operand(Code::kHeaderSize - kHeapObjectTag));
- __ Jump(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.
- __ tst(receiver, Operand(kSmiTagMask));
- __ b(eq, &miss);
-
- // Get the map of the receiver and compute the hash.
- __ ldr(scratch, FieldMemOperand(name, String::kLengthOffset));
- __ ldr(ip, FieldMemOperand(receiver, HeapObject::kMapOffset));
- __ add(scratch, scratch, Operand(ip));
- __ eor(scratch, scratch, Operand(flags));
- __ and_(scratch,
- scratch,
- Operand((kPrimaryTableSize - 1) << kHeapObjectTagSize));
-
- // Probe the primary table.
- ProbeTable(masm, flags, kPrimary, name, scratch);
-
- // Primary miss: Compute hash for secondary probe.
- __ sub(scratch, scratch, Operand(name));
- __ add(scratch, scratch, Operand(flags));
- __ and_(scratch,
- scratch,
- Operand((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.
- __ ldr(prototype, MemOperand(cp, Context::SlotOffset(Context::GLOBAL_INDEX)));
- // Load the global context from the global or builtins object.
- __ ldr(prototype,
- FieldMemOperand(prototype, GlobalObject::kGlobalContextOffset));
- // Load the function from the global context.
- __ ldr(prototype, MemOperand(prototype, Context::SlotOffset(index)));
- // Load the initial map. The global functions all have initial maps.
- __ ldr(prototype,
- FieldMemOperand(prototype, JSFunction::kPrototypeOrInitialMapOffset));
- // Load the prototype from the initial map.
- __ ldr(prototype, FieldMemOperand(prototype, Map::kPrototypeOffset));
-}
-
-
-// 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);
- __ ldr(dst, FieldMemOperand(src, offset));
- } else {
- // Calculate the offset into the properties array.
- int offset = index * kPointerSize + Array::kHeaderSize;
- __ ldr(dst, FieldMemOperand(src, JSObject::kPropertiesOffset));
- __ ldr(dst, FieldMemOperand(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.
- __ tst(receiver, Operand(kSmiTagMask));
- __ b(eq, miss_label);
-
- // Check that the maps haven't changed.
- Register reg =
- masm->CheckMaps(object, receiver, holder, scratch1, scratch2, miss_label);
- GenerateFastPropertyLoad(masm, r0, reg, holder, index);
- __ Ret();
-}
-
-
-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.
- __ tst(receiver, Operand(kSmiTagMask));
- __ b(eq, miss_label);
-
- // Check that the maps haven't changed.
- Register reg =
- masm->CheckMaps(object, receiver, holder, scratch1, scratch2, miss_label);
-
- // Return the constant value.
- __ mov(r0, Operand(Handle<Object>(value)));
- __ Ret();
-}
-
-
-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.
- __ tst(receiver, Operand(kSmiTagMask));
- __ b(eq, miss_label);
-
- // 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.
- __ push(receiver); // receiver
- __ mov(ip, Operand(Handle<AccessorInfo>(callback))); // callback data
- __ push(ip);
- __ push(name); // name
- __ push(reg); // holder
-
- // Do tail-call to the runtime system.
- ExternalReference load_callback_property =
- ExternalReference(IC_Utility(IC::kLoadCallbackProperty));
- __ TailCallRuntime(load_callback_property, 4);
-}
-
-
-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.
- __ tst(receiver, Operand(kSmiTagMask));
- __ b(eq, miss_label);
-
- // 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.
- __ push(receiver); // receiver
- __ push(reg); // holder
- __ push(name); // name
-
- // Do tail-call to the runtime system.
- ExternalReference load_ic_property =
- ExternalReference(IC_Utility(IC::kLoadInterceptorProperty));
- __ TailCallRuntime(load_ic_property, 3);
-}
-
-
-void StubCompiler::GenerateLoadArrayLength(MacroAssembler* masm,
- Register receiver,
- Register scratch,
- Label* miss_label) {
- // Check that the receiver isn't a smi.
- __ tst(receiver, Operand(kSmiTagMask));
- __ b(eq, miss_label);
-
- // Check that the object is a JS array.
- __ ldr(scratch, FieldMemOperand(receiver, HeapObject::kMapOffset));
- __ ldrb(scratch, FieldMemOperand(scratch, Map::kInstanceTypeOffset));
- __ cmp(scratch, Operand(JS_ARRAY_TYPE));
- __ b(ne, miss_label);
-
- // Load length directly from the JS array.
- __ ldr(r0, FieldMemOperand(receiver, JSArray::kLengthOffset));
- __ Ret();
-}
-
-
-// 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 scratch1 register.
-static void GenerateStringCheck(MacroAssembler* masm,
- Register receiver,
- Register scratch1,
- Register scratch2,
- Label* smi,
- Label* non_string_object) {
- // Check that the receiver isn't a smi.
- __ tst(receiver, Operand(kSmiTagMask));
- __ b(eq, smi);
-
- // Check that the object is a string.
- __ ldr(scratch1, FieldMemOperand(receiver, HeapObject::kMapOffset));
- __ ldrb(scratch1, FieldMemOperand(scratch1, Map::kInstanceTypeOffset));
- __ and_(scratch2, scratch1, Operand(kIsNotStringMask));
- // The cast is to resolve the overload for the argument of 0x0.
- __ cmp(scratch2, Operand(static_cast<int32_t>(kStringTag)));
- __ b(ne, non_string_object);
-}
-
-
-// Generate code to load the length from a string object and return the length.
-// If the receiver object is not a string or a wrapped string object the
-// execution continues at the miss label. The register containing the
-// receiver is potentially clobbered.
-void StubCompiler::GenerateLoadStringLength2(MacroAssembler* masm,
- Register receiver,
- Register scratch1,
- Register scratch2,
- Label* miss) {
- Label check_string, check_wrapper;
-
- __ bind(&check_string);
- // Check if the object is a string leaving the instance type in the
- // scratch1 register.
- GenerateStringCheck(masm, receiver, scratch1, scratch2,
- miss, &check_wrapper);
-
- // Load length directly from the string.
- __ and_(scratch1, scratch1, Operand(kStringSizeMask));
- __ add(scratch1, scratch1, Operand(String::kHashShift));
- __ ldr(r0, FieldMemOperand(receiver, String::kLengthOffset));
- __ mov(r0, Operand(r0, LSR, scratch1));
- __ mov(r0, Operand(r0, LSL, kSmiTagSize));
- __ Ret();
-
- // Check if the object is a JSValue wrapper.
- __ bind(&check_wrapper);
- __ cmp(scratch1, Operand(JS_VALUE_TYPE));
- __ b(ne, miss);
-
- // Unwrap the value in place and check if the wrapped value is a string.
- __ ldr(receiver, FieldMemOperand(receiver, JSValue::kValueOffset));
- __ b(&check_string);
-}
-
-
-// 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.
- // We jump to a runtime call that extends the properties array.
- __ 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();
-}
-
-
-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);
-}
-
-
-#undef __
-#define __ ACCESS_MASM(masm())
-
-
-Object* StubCompiler::CompileLazyCompile(Code::Flags flags) {
- // ----------- S t a t e -------------
- // -- r1: function
- // -- lr: return address
- // -----------------------------------
-
- // Enter an internal frame.
- __ EnterInternalFrame();
-
- // Preserve the function.
- __ push(r1);
-
- // Push the function on the stack as the argument to the runtime function.
- __ push(r1);
- __ CallRuntime(Runtime::kLazyCompile, 1);
-
- // Calculate the entry point.
- __ add(r2, r0, Operand(Code::kHeaderSize - kHeapObjectTag));
-
- // Restore saved function.
- __ pop(r1);
-
- // Tear down temporary frame.
- __ LeaveInternalFrame();
-
- // Do a tail-call of the compiled function.
- __ Jump(r2);
-
- return GetCodeWithFlags(flags, "LazyCompileStub");
-}
-
-
-Object* CallStubCompiler::CompileCallField(Object* object,
- JSObject* holder,
- int index,
- String* name) {
- // ----------- S t a t e -------------
- // -- lr: return address
- // -----------------------------------
- Label miss;
-
- const int argc = arguments().immediate();
-
- // Get the receiver of the function from the stack into r0.
- __ ldr(r0, MemOperand(sp, argc * kPointerSize));
- // Check that the receiver isn't a smi.
- __ tst(r0, Operand(kSmiTagMask));
- __ b(eq, &miss);
-
- // Do the right check and compute the holder register.
- Register reg =
- masm()->CheckMaps(JSObject::cast(object), r0, holder, r3, r2, &miss);
- GenerateFastPropertyLoad(masm(), r1, reg, holder, index);
-
- // Check that the function really is a function.
- __ tst(r1, Operand(kSmiTagMask));
- __ b(eq, &miss);
- // Get the map.
- __ ldr(r2, FieldMemOperand(r1, HeapObject::kMapOffset));
- __ ldrb(r2, FieldMemOperand(r2, Map::kInstanceTypeOffset));
- __ cmp(r2, Operand(JS_FUNCTION_TYPE));
- __ b(ne, &miss);
-
- // Patch the receiver on the stack with the global proxy if
- // necessary.
- if (object->IsGlobalObject()) {
- __ ldr(r3, FieldMemOperand(r0, GlobalObject::kGlobalReceiverOffset));
- __ str(r3, MemOperand(sp, argc * kPointerSize));
- }
-
- // Invoke the function.
- __ InvokeFunction(r1, arguments(), JUMP_FUNCTION);
-
- // Handle call cache miss.
- __ bind(&miss);
- Handle<Code> ic = ComputeCallMiss(arguments().immediate());
- __ Jump(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 -------------
- // -- lr: return address
- // -----------------------------------
- Label miss;
-
- // Get the receiver from the stack
- const int argc = arguments().immediate();
- __ ldr(r1, MemOperand(sp, argc * kPointerSize));
-
- // Check that the receiver isn't a smi.
- if (check != NUMBER_CHECK) {
- __ tst(r1, Operand(kSmiTagMask));
- __ b(eq, &miss);
- }
-
- // 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), r1, holder, r3, r2, &miss);
-
- // 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));
- }
- 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.
- __ mov(r1, Operand(Handle<JSFunction>(function)));
- __ ldr(cp, FieldMemOperand(r1, 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());
- __ Jump(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 -------------
- // -- lr: return address
- // -----------------------------------
- Label miss;
-
- // TODO(1224669): Implement.
-
- // Handle call cache miss.
- __ bind(&miss);
- Handle<Code> ic = ComputeCallMiss(arguments().immediate());
- __ Jump(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 -------------
- // -- r0 : value
- // -- r2 : name
- // -- lr : return address
- // -- [sp] : receiver
- // -----------------------------------
- Label miss;
-
- // Get the receiver from the stack.
- __ ldr(r3, MemOperand(sp, 0 * kPointerSize));
-
- // name register might be clobbered.
- GenerateStoreField(masm(),
- Builtins::StoreIC_ExtendStorage,
- object,
- index,
- transition,
- r3, r2, r1,
- &miss);
- __ bind(&miss);
- __ mov(r2, Operand(Handle<String>(name))); // restore name
- Handle<Code> ic(Builtins::builtin(Builtins::StoreIC_Miss));
- __ Jump(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 -------------
- // -- 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.
- if (object->IsJSGlobalProxy()) {
- __ CheckAccessGlobalProxy(r3, r1, &miss);
- }
-
- // Stub never generated for non-global objects that require access
- // checks.
- ASSERT(object->IsJSGlobalProxy() || !object->IsAccessCheckNeeded());
-
- __ ldr(ip, MemOperand(sp)); // receiver
- __ push(ip);
- __ mov(ip, Operand(Handle<AccessorInfo>(callback))); // callback info
- __ push(ip);
- __ push(r2); // name
- __ push(r0); // value
-
- // 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(r2, Operand(Handle<String>(name))); // restore name
- Handle<Code> ic(Builtins::builtin(Builtins::StoreIC_Miss));
- __ Jump(ic, RelocInfo::CODE_TARGET);
-
- // Return the generated code.
- return GetCode(CALLBACKS, name);
-}
-
-
-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.
- if (receiver->IsJSGlobalProxy()) {
- __ CheckAccessGlobalProxy(r3, r1, &miss);
- }
-
- // Stub never generated for non-global objects that require access
- // checks.
- ASSERT(receiver->IsJSGlobalProxy() || !receiver->IsAccessCheckNeeded());
-
- __ ldr(ip, MemOperand(sp)); // receiver
- __ push(ip);
- __ push(r2); // name
- __ push(r0); // value
-
- // 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(r2, Operand(Handle<String>(name))); // restore name
- Handle<Code> ic(Builtins::builtin(Builtins::StoreIC_Miss));
- __ Jump(ic, RelocInfo::CODE_TARGET);
-
- // Return the generated code.
- return GetCode(INTERCEPTOR, name);
-}
-
-
-Object* LoadStubCompiler::CompileLoadField(JSObject* object,
- JSObject* holder,
- int index,
- String* name) {
- // ----------- S t a t e -------------
- // -- r2 : name
- // -- lr : return address
- // -- [sp] : receiver
- // -----------------------------------
- Label miss;
-
- __ ldr(r0, MemOperand(sp, 0));
-
- GenerateLoadField(masm(), object, holder, r0, r3, r1, 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 -------------
- // -- r2 : name
- // -- lr : return address
- // -- [sp] : receiver
- // -----------------------------------
- Label miss;
-
- __ ldr(r0, MemOperand(sp, 0));
- GenerateLoadCallback(masm(), object, holder, r0, r2, r3, r1, 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 -------------
- // -- r2 : name
- // -- lr : return address
- // -- [sp] : receiver
- // -----------------------------------
- Label miss;
-
- __ ldr(r0, MemOperand(sp, 0));
-
- GenerateLoadConstant(masm(), object, holder, r0, r3, r1, value, &miss);
- __ bind(&miss);
- GenerateLoadMiss(masm(), Code::LOAD_IC);
-
- // Return the generated code.
- return GetCode(CONSTANT_FUNCTION, name);
-}
-
-
-Object* LoadStubCompiler::CompileLoadInterceptor(JSObject* object,
- JSObject* holder,
- String* name) {
- // ----------- S t a t e -------------
- // -- r2 : name
- // -- lr : return address
- // -- [sp] : receiver
- // -----------------------------------
- Label miss;
-
- __ ldr(r0, MemOperand(sp, 0));
-
- GenerateLoadInterceptor(masm(), object, holder, r0, r2, r3, r1, &miss);
- __ bind(&miss);
- GenerateLoadMiss(masm(), Code::LOAD_IC);
-
- // Return the generated code.
- return GetCode(INTERCEPTOR, name);
-}
-
-
-// TODO(1224671): IC stubs for keyed loads have not been implemented
-// for ARM.
-Object* KeyedLoadStubCompiler::CompileLoadField(String* name,
- JSObject* receiver,
- JSObject* holder,
- int index) {
- // ----------- 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);
-
- return GetCode(FIELD, name);
-}
-
-
-Object* KeyedLoadStubCompiler::CompileLoadCallback(String* name,
- JSObject* receiver,
- JSObject* holder,
- AccessorInfo* callback) {
- // ----------- 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);
-
- return GetCode(CALLBACKS, name);
-}
-
-
-Object* KeyedLoadStubCompiler::CompileLoadConstant(String* name,
- JSObject* receiver,
- JSObject* holder,
- Object* value) {
- // ----------- 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.
- return GetCode(CONSTANT_FUNCTION, name);
-}
-
-
-Object* KeyedLoadStubCompiler::CompileLoadInterceptor(JSObject* receiver,
- JSObject* holder,
- String* name) {
- // ----------- 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);
-
- GenerateLoadInterceptor(masm(), receiver, holder, r0, r2, r3, r1, &miss);
- __ bind(&miss);
- GenerateLoadMiss(masm(), Code::KEYED_LOAD_IC);
-
- return GetCode(INTERCEPTOR, name);
-}
-
-
-Object* KeyedLoadStubCompiler::CompileLoadArrayLength(String* name) {
- // ----------- 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);
-
- return GetCode(CALLBACKS, name);
-}
-
-
-Object* KeyedLoadStubCompiler::CompileLoadStringLength(String* name) {
- // ----------- S t a t e -------------
- // -- lr : return address
- // -- sp[0] : key
- // -- sp[4] : receiver
- // -----------------------------------
- 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);
-
- GenerateLoadMiss(masm(), Code::KEYED_LOAD_IC);
-
- return GetCode(CALLBACKS, name);
-}
-
-
-// TODO(1224671): implement the fast case.
-Object* KeyedLoadStubCompiler::CompileLoadFunctionPrototype(String* name) {
- // ----------- S t a t e -------------
- // -- lr : return address
- // -- sp[0] : key
- // -- sp[4] : receiver
- // -----------------------------------
- GenerateLoadMiss(masm(), Code::KEYED_LOAD_IC);
-
- return GetCode(CALLBACKS, name);
-}
-
-
-Object* KeyedStoreStubCompiler::CompileStoreField(JSObject* object,
- int index,
- Map* transition,
- String* name) {
- // ----------- S t a t e -------------
- // -- r0 : value
- // -- r2 : name
- // -- lr : return address
- // -- [sp] : receiver
- // -----------------------------------
- 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.
- Handle<Code> ic(Builtins::builtin(Builtins::KeyedStoreIC_Miss));
- __ Jump(ic, RelocInfo::CODE_TARGET);
-
- // Return the generated code.
- return GetCode(transition == NULL ? FIELD : MAP_TRANSITION, name);
-}
-
-
-#undef __
-
-} } // namespace v8::internal
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