Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1 | // Copyright 2014 the V8 project authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 5 | #if V8_TARGET_ARCH_X64 |
| 6 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 7 | #include "src/ic/handler-compiler.h" |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 8 | |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 9 | #include "src/api-arguments.h" |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 10 | #include "src/field-type.h" |
| 11 | #include "src/ic/call-optimization.h" |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 12 | #include "src/ic/ic.h" |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 13 | #include "src/isolate-inl.h" |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 14 | |
| 15 | namespace v8 { |
| 16 | namespace internal { |
| 17 | |
| 18 | #define __ ACCESS_MASM(masm) |
| 19 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 20 | void PropertyHandlerCompiler::PushVectorAndSlot(Register vector, |
| 21 | Register slot) { |
| 22 | MacroAssembler* masm = this->masm(); |
| 23 | __ Push(vector); |
| 24 | __ Push(slot); |
| 25 | } |
| 26 | |
| 27 | |
| 28 | void PropertyHandlerCompiler::PopVectorAndSlot(Register vector, Register slot) { |
| 29 | MacroAssembler* masm = this->masm(); |
| 30 | __ Pop(slot); |
| 31 | __ Pop(vector); |
| 32 | } |
| 33 | |
| 34 | |
| 35 | void PropertyHandlerCompiler::DiscardVectorAndSlot() { |
| 36 | MacroAssembler* masm = this->masm(); |
| 37 | // Remove vector and slot. |
| 38 | __ addp(rsp, Immediate(2 * kPointerSize)); |
| 39 | } |
| 40 | |
| 41 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 42 | void PropertyHandlerCompiler::GenerateDictionaryNegativeLookup( |
| 43 | MacroAssembler* masm, Label* miss_label, Register receiver, |
| 44 | Handle<Name> name, Register scratch0, Register scratch1) { |
| 45 | DCHECK(name->IsUniqueName()); |
| 46 | DCHECK(!receiver.is(scratch0)); |
| 47 | Counters* counters = masm->isolate()->counters(); |
| 48 | __ IncrementCounter(counters->negative_lookups(), 1); |
| 49 | __ IncrementCounter(counters->negative_lookups_miss(), 1); |
| 50 | |
| 51 | __ movp(scratch0, FieldOperand(receiver, HeapObject::kMapOffset)); |
| 52 | |
| 53 | const int kInterceptorOrAccessCheckNeededMask = |
| 54 | (1 << Map::kHasNamedInterceptor) | (1 << Map::kIsAccessCheckNeeded); |
| 55 | |
| 56 | // Bail out if the receiver has a named interceptor or requires access checks. |
| 57 | __ testb(FieldOperand(scratch0, Map::kBitFieldOffset), |
| 58 | Immediate(kInterceptorOrAccessCheckNeededMask)); |
| 59 | __ j(not_zero, miss_label); |
| 60 | |
| 61 | // Check that receiver is a JSObject. |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 62 | __ CmpInstanceType(scratch0, FIRST_JS_RECEIVER_TYPE); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 63 | __ j(below, miss_label); |
| 64 | |
| 65 | // Load properties array. |
| 66 | Register properties = scratch0; |
| 67 | __ movp(properties, FieldOperand(receiver, JSObject::kPropertiesOffset)); |
| 68 | |
| 69 | // Check that the properties array is a dictionary. |
| 70 | __ CompareRoot(FieldOperand(properties, HeapObject::kMapOffset), |
| 71 | Heap::kHashTableMapRootIndex); |
| 72 | __ j(not_equal, miss_label); |
| 73 | |
| 74 | Label done; |
| 75 | NameDictionaryLookupStub::GenerateNegativeLookup(masm, miss_label, &done, |
| 76 | properties, name, scratch1); |
| 77 | __ bind(&done); |
| 78 | __ DecrementCounter(counters->negative_lookups_miss(), 1); |
| 79 | } |
| 80 | |
| 81 | |
| 82 | void NamedLoadHandlerCompiler::GenerateDirectLoadGlobalFunctionPrototype( |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 83 | MacroAssembler* masm, int index, Register result, Label* miss) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 84 | __ LoadNativeContextSlot(index, result); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 85 | // Load its initial map. The global functions all have initial maps. |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 86 | __ movp(result, |
| 87 | FieldOperand(result, JSFunction::kPrototypeOrInitialMapOffset)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 88 | // Load the prototype from the initial map. |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 89 | __ movp(result, FieldOperand(result, Map::kPrototypeOffset)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 90 | } |
| 91 | |
| 92 | |
| 93 | void NamedLoadHandlerCompiler::GenerateLoadFunctionPrototype( |
| 94 | MacroAssembler* masm, Register receiver, Register result, Register scratch, |
| 95 | Label* miss_label) { |
| 96 | __ TryGetFunctionPrototype(receiver, result, miss_label); |
| 97 | if (!result.is(rax)) __ movp(rax, result); |
| 98 | __ ret(0); |
| 99 | } |
| 100 | |
| 101 | |
| 102 | static void PushInterceptorArguments(MacroAssembler* masm, Register receiver, |
| 103 | Register holder, Register name, |
| 104 | Handle<JSObject> holder_obj) { |
| 105 | STATIC_ASSERT(NamedLoadHandlerCompiler::kInterceptorArgsNameIndex == 0); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 106 | STATIC_ASSERT(NamedLoadHandlerCompiler::kInterceptorArgsThisIndex == 1); |
| 107 | STATIC_ASSERT(NamedLoadHandlerCompiler::kInterceptorArgsHolderIndex == 2); |
| 108 | STATIC_ASSERT(NamedLoadHandlerCompiler::kInterceptorArgsLength == 3); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 109 | __ Push(name); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 110 | __ Push(receiver); |
| 111 | __ Push(holder); |
| 112 | } |
| 113 | |
| 114 | |
| 115 | static void CompileCallLoadPropertyWithInterceptor( |
| 116 | MacroAssembler* masm, Register receiver, Register holder, Register name, |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 117 | Handle<JSObject> holder_obj, Runtime::FunctionId id) { |
| 118 | DCHECK(NamedLoadHandlerCompiler::kInterceptorArgsLength == |
| 119 | Runtime::FunctionForId(id)->nargs); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 120 | PushInterceptorArguments(masm, receiver, holder, name, holder_obj); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 121 | __ CallRuntime(id); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 122 | } |
| 123 | |
| 124 | |
| 125 | // Generate call to api function. |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 126 | void PropertyHandlerCompiler::GenerateApiAccessorCall( |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 127 | MacroAssembler* masm, const CallOptimization& optimization, |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 128 | Handle<Map> receiver_map, Register receiver, Register scratch, |
| 129 | bool is_store, Register store_parameter, Register accessor_holder, |
| 130 | int accessor_index) { |
| 131 | DCHECK(!accessor_holder.is(scratch)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 132 | DCHECK(optimization.is_simple_api_call()); |
| 133 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 134 | __ PopReturnAddressTo(scratch); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 135 | // receiver |
| 136 | __ Push(receiver); |
| 137 | // Write the arguments to stack frame. |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 138 | if (is_store) { |
| 139 | DCHECK(!receiver.is(store_parameter)); |
| 140 | DCHECK(!scratch.is(store_parameter)); |
| 141 | __ Push(store_parameter); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 142 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 143 | __ PushReturnAddressFrom(scratch); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 144 | // Stack now matches JSFunction abi. |
| 145 | |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 146 | // Abi for CallApiCallbackStub. |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 147 | Register callee = rdi; |
| 148 | Register data = rbx; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 149 | Register holder = rcx; |
| 150 | Register api_function_address = rdx; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 151 | scratch = no_reg; |
| 152 | |
| 153 | // Put callee in place. |
| 154 | __ LoadAccessor(callee, accessor_holder, accessor_index, |
| 155 | is_store ? ACCESSOR_SETTER : ACCESSOR_GETTER); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 156 | |
| 157 | // Put holder in place. |
| 158 | CallOptimization::HolderLookup holder_lookup; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 159 | int holder_depth = 0; |
| 160 | optimization.LookupHolderOfExpectedType(receiver_map, &holder_lookup, |
| 161 | &holder_depth); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 162 | switch (holder_lookup) { |
| 163 | case CallOptimization::kHolderIsReceiver: |
| 164 | __ Move(holder, receiver); |
| 165 | break; |
| 166 | case CallOptimization::kHolderFound: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 167 | __ movp(holder, FieldOperand(receiver, HeapObject::kMapOffset)); |
| 168 | __ movp(holder, FieldOperand(holder, Map::kPrototypeOffset)); |
| 169 | for (int i = 1; i < holder_depth; i++) { |
| 170 | __ movp(holder, FieldOperand(holder, HeapObject::kMapOffset)); |
| 171 | __ movp(holder, FieldOperand(holder, Map::kPrototypeOffset)); |
| 172 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 173 | break; |
| 174 | case CallOptimization::kHolderNotFound: |
| 175 | UNREACHABLE(); |
| 176 | break; |
| 177 | } |
| 178 | |
| 179 | Isolate* isolate = masm->isolate(); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 180 | Handle<CallHandlerInfo> api_call_info = optimization.api_call_info(); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 181 | bool call_data_undefined = false; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 182 | // Put call data in place. |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 183 | if (api_call_info->data()->IsUndefined(isolate)) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 184 | call_data_undefined = true; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 185 | __ LoadRoot(data, Heap::kUndefinedValueRootIndex); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 186 | } else { |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 187 | if (optimization.is_constant_call()) { |
| 188 | __ movp(data, |
| 189 | FieldOperand(callee, JSFunction::kSharedFunctionInfoOffset)); |
| 190 | __ movp(data, |
| 191 | FieldOperand(data, SharedFunctionInfo::kFunctionDataOffset)); |
| 192 | __ movp(data, FieldOperand(data, FunctionTemplateInfo::kCallCodeOffset)); |
| 193 | } else { |
| 194 | __ movp(data, |
| 195 | FieldOperand(callee, FunctionTemplateInfo::kCallCodeOffset)); |
| 196 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 197 | __ movp(data, FieldOperand(data, CallHandlerInfo::kDataOffset)); |
| 198 | } |
| 199 | |
| 200 | if (api_call_info->fast_handler()->IsCode()) { |
| 201 | // Just tail call into the fast handler if present. |
| 202 | __ Jump(handle(Code::cast(api_call_info->fast_handler())), |
| 203 | RelocInfo::CODE_TARGET); |
| 204 | return; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 205 | } |
| 206 | |
| 207 | // Put api_function_address in place. |
| 208 | Address function_address = v8::ToCData<Address>(api_call_info->callback()); |
| 209 | __ Move(api_function_address, function_address, |
| 210 | RelocInfo::EXTERNAL_REFERENCE); |
| 211 | |
| 212 | // Jump to stub. |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 213 | CallApiCallbackStub stub(isolate, is_store, call_data_undefined, |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 214 | !optimization.is_constant_call()); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 215 | __ TailCallStub(&stub); |
| 216 | } |
| 217 | |
| 218 | |
| 219 | void PropertyHandlerCompiler::GenerateCheckPropertyCell( |
| 220 | MacroAssembler* masm, Handle<JSGlobalObject> global, Handle<Name> name, |
| 221 | Register scratch, Label* miss) { |
| 222 | Handle<PropertyCell> cell = JSGlobalObject::EnsurePropertyCell(global, name); |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 223 | Isolate* isolate = masm->isolate(); |
| 224 | DCHECK(cell->value()->IsTheHole(isolate)); |
| 225 | Handle<WeakCell> weak_cell = isolate->factory()->NewWeakCell(cell); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 226 | __ LoadWeakValue(scratch, weak_cell, miss); |
| 227 | __ Cmp(FieldOperand(scratch, PropertyCell::kValueOffset), |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 228 | isolate->factory()->the_hole_value()); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 229 | __ j(not_equal, miss); |
| 230 | } |
| 231 | |
| 232 | |
| 233 | void NamedStoreHandlerCompiler::GenerateStoreViaSetter( |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 234 | MacroAssembler* masm, Handle<Map> map, Register receiver, Register holder, |
| 235 | int accessor_index, int expected_arguments, Register scratch) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 236 | // ----------- S t a t e ------------- |
| 237 | // -- rsp[0] : return address |
| 238 | // ----------------------------------- |
| 239 | { |
| 240 | FrameScope scope(masm, StackFrame::INTERNAL); |
| 241 | |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 242 | // Save context register |
| 243 | __ pushq(rsi); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 244 | // Save value register, so we can restore it later. |
| 245 | __ Push(value()); |
| 246 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 247 | if (accessor_index >= 0) { |
| 248 | DCHECK(!holder.is(scratch)); |
| 249 | DCHECK(!receiver.is(scratch)); |
| 250 | DCHECK(!value().is(scratch)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 251 | // Call the JavaScript setter with receiver and value on the stack. |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 252 | if (map->IsJSGlobalObjectMap()) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 253 | // Swap in the global receiver. |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 254 | __ movp(scratch, |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 255 | FieldOperand(receiver, JSGlobalObject::kGlobalProxyOffset)); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 256 | receiver = scratch; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 257 | } |
| 258 | __ Push(receiver); |
| 259 | __ Push(value()); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 260 | __ LoadAccessor(rdi, holder, accessor_index, ACCESSOR_SETTER); |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 261 | __ Set(rax, 1); |
| 262 | __ Call(masm->isolate()->builtins()->CallFunction( |
| 263 | ConvertReceiverMode::kNotNullOrUndefined), |
| 264 | RelocInfo::CODE_TARGET); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 265 | } else { |
| 266 | // If we generate a global code snippet for deoptimization only, remember |
| 267 | // the place to continue after deoptimization. |
| 268 | masm->isolate()->heap()->SetSetterStubDeoptPCOffset(masm->pc_offset()); |
| 269 | } |
| 270 | |
| 271 | // We have to return the passed value, not the return value of the setter. |
| 272 | __ Pop(rax); |
| 273 | |
| 274 | // Restore context register. |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 275 | __ popq(rsi); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 276 | } |
| 277 | __ ret(0); |
| 278 | } |
| 279 | |
| 280 | |
| 281 | void NamedLoadHandlerCompiler::GenerateLoadViaGetter( |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 282 | MacroAssembler* masm, Handle<Map> map, Register receiver, Register holder, |
| 283 | int accessor_index, int expected_arguments, Register scratch) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 284 | // ----------- S t a t e ------------- |
| 285 | // -- rax : receiver |
| 286 | // -- rcx : name |
| 287 | // -- rsp[0] : return address |
| 288 | // ----------------------------------- |
| 289 | { |
| 290 | FrameScope scope(masm, StackFrame::INTERNAL); |
| 291 | |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 292 | // Save context register |
| 293 | __ pushq(rsi); |
| 294 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 295 | if (accessor_index >= 0) { |
| 296 | DCHECK(!holder.is(scratch)); |
| 297 | DCHECK(!receiver.is(scratch)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 298 | // Call the JavaScript getter with the receiver on the stack. |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 299 | if (map->IsJSGlobalObjectMap()) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 300 | // Swap in the global receiver. |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 301 | __ movp(scratch, |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 302 | FieldOperand(receiver, JSGlobalObject::kGlobalProxyOffset)); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 303 | receiver = scratch; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 304 | } |
| 305 | __ Push(receiver); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 306 | __ LoadAccessor(rdi, holder, accessor_index, ACCESSOR_GETTER); |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 307 | __ Set(rax, 0); |
| 308 | __ Call(masm->isolate()->builtins()->CallFunction( |
| 309 | ConvertReceiverMode::kNotNullOrUndefined), |
| 310 | RelocInfo::CODE_TARGET); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 311 | } else { |
| 312 | // If we generate a global code snippet for deoptimization only, remember |
| 313 | // the place to continue after deoptimization. |
| 314 | masm->isolate()->heap()->SetGetterStubDeoptPCOffset(masm->pc_offset()); |
| 315 | } |
| 316 | |
| 317 | // Restore context register. |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 318 | __ popq(rsi); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 319 | } |
| 320 | __ ret(0); |
| 321 | } |
| 322 | |
| 323 | |
| 324 | static void StoreIC_PushArgs(MacroAssembler* masm) { |
| 325 | Register receiver = StoreDescriptor::ReceiverRegister(); |
| 326 | Register name = StoreDescriptor::NameRegister(); |
| 327 | Register value = StoreDescriptor::ValueRegister(); |
| 328 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 329 | Register slot = VectorStoreICDescriptor::SlotRegister(); |
| 330 | Register vector = VectorStoreICDescriptor::VectorRegister(); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 331 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 332 | __ PopReturnAddressTo(r11); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 333 | __ Push(receiver); |
| 334 | __ Push(name); |
| 335 | __ Push(value); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 336 | __ Push(slot); |
| 337 | __ Push(vector); |
| 338 | __ PushReturnAddressFrom(r11); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 339 | } |
| 340 | |
| 341 | |
| 342 | void NamedStoreHandlerCompiler::GenerateSlow(MacroAssembler* masm) { |
| 343 | // Return address is on the stack. |
| 344 | StoreIC_PushArgs(masm); |
| 345 | |
| 346 | // Do tail-call to runtime routine. |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 347 | __ TailCallRuntime(Runtime::kStoreIC_Slow); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 348 | } |
| 349 | |
| 350 | |
| 351 | void ElementHandlerCompiler::GenerateStoreSlow(MacroAssembler* masm) { |
| 352 | // Return address is on the stack. |
| 353 | StoreIC_PushArgs(masm); |
| 354 | |
| 355 | // Do tail-call to runtime routine. |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 356 | __ TailCallRuntime(Runtime::kKeyedStoreIC_Slow); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 357 | } |
| 358 | |
| 359 | |
| 360 | #undef __ |
| 361 | #define __ ACCESS_MASM((masm())) |
| 362 | |
| 363 | |
| 364 | void NamedStoreHandlerCompiler::GenerateRestoreName(Label* label, |
| 365 | Handle<Name> name) { |
| 366 | if (!label->is_unused()) { |
| 367 | __ bind(label); |
| 368 | __ Move(this->name(), name); |
| 369 | } |
| 370 | } |
| 371 | |
| 372 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 373 | void NamedStoreHandlerCompiler::GenerateRestoreName(Handle<Name> name) { |
| 374 | __ Move(this->name(), name); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 375 | } |
| 376 | |
| 377 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 378 | void NamedStoreHandlerCompiler::RearrangeVectorAndSlot( |
| 379 | Register current_map, Register destination_map) { |
| 380 | DCHECK(false); // Not implemented. |
| 381 | } |
| 382 | |
| 383 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 384 | void NamedStoreHandlerCompiler::GenerateRestoreMap(Handle<Map> transition, |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 385 | Register map_reg, |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 386 | Register scratch, |
| 387 | Label* miss) { |
| 388 | Handle<WeakCell> cell = Map::WeakCellForMap(transition); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 389 | DCHECK(!map_reg.is(scratch)); |
| 390 | __ LoadWeakValue(map_reg, cell, miss); |
| 391 | if (transition->CanBeDeprecated()) { |
| 392 | __ movl(scratch, FieldOperand(map_reg, Map::kBitField3Offset)); |
| 393 | __ andl(scratch, Immediate(Map::Deprecated::kMask)); |
| 394 | __ j(not_zero, miss); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 395 | } |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 396 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 397 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 398 | |
| 399 | void NamedStoreHandlerCompiler::GenerateConstantCheck(Register map_reg, |
| 400 | int descriptor, |
| 401 | Register value_reg, |
| 402 | Register scratch, |
| 403 | Label* miss_label) { |
| 404 | DCHECK(!map_reg.is(scratch)); |
| 405 | DCHECK(!map_reg.is(value_reg)); |
| 406 | DCHECK(!value_reg.is(scratch)); |
| 407 | __ LoadInstanceDescriptors(map_reg, scratch); |
| 408 | __ movp(scratch, |
| 409 | FieldOperand(scratch, DescriptorArray::GetValueOffset(descriptor))); |
| 410 | __ cmpp(value_reg, scratch); |
| 411 | __ j(not_equal, miss_label); |
| 412 | } |
| 413 | |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 414 | void NamedStoreHandlerCompiler::GenerateFieldTypeChecks(FieldType* field_type, |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 415 | Register value_reg, |
| 416 | Label* miss_label) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 417 | Register map_reg = scratch1(); |
| 418 | Register scratch = scratch2(); |
| 419 | DCHECK(!value_reg.is(map_reg)); |
| 420 | DCHECK(!value_reg.is(scratch)); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 421 | __ JumpIfSmi(value_reg, miss_label); |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 422 | if (field_type->IsClass()) { |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 423 | Label do_store; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 424 | __ movp(map_reg, FieldOperand(value_reg, HeapObject::kMapOffset)); |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 425 | __ CmpWeakValue(map_reg, Map::WeakCellForMap(field_type->AsClass()), |
| 426 | scratch); |
| 427 | __ j(not_equal, miss_label); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 428 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 429 | } |
| 430 | |
| 431 | |
| 432 | Register PropertyHandlerCompiler::CheckPrototypes( |
| 433 | Register object_reg, Register holder_reg, Register scratch1, |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 434 | Register scratch2, Handle<Name> name, Label* miss, PrototypeCheckType check, |
| 435 | ReturnHolder return_what) { |
| 436 | Handle<Map> receiver_map = map(); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 437 | |
| 438 | // Make sure there's no overlap between holder and object registers. |
| 439 | DCHECK(!scratch1.is(object_reg) && !scratch1.is(holder_reg)); |
| 440 | DCHECK(!scratch2.is(object_reg) && !scratch2.is(holder_reg) && |
| 441 | !scratch2.is(scratch1)); |
| 442 | |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 443 | Handle<Cell> validity_cell = |
| 444 | Map::GetOrCreatePrototypeChainValidityCell(receiver_map, isolate()); |
| 445 | if (!validity_cell.is_null()) { |
| 446 | DCHECK_EQ(Smi::FromInt(Map::kPrototypeChainValid), validity_cell->value()); |
| 447 | __ Move(scratch1, validity_cell, RelocInfo::CELL); |
| 448 | // Move(..., CELL) loads the payload's address! |
| 449 | __ SmiCompare(Operand(scratch1, 0), |
| 450 | Smi::FromInt(Map::kPrototypeChainValid)); |
| 451 | __ j(not_equal, miss); |
| 452 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 453 | |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 454 | // The prototype chain of primitives (and their JSValue wrappers) depends |
| 455 | // on the native context, which can't be guarded by validity cells. |
| 456 | // |object_reg| holds the native context specific prototype in this case; |
| 457 | // we need to check its map. |
| 458 | if (check == CHECK_ALL_MAPS) { |
| 459 | __ movp(scratch1, FieldOperand(object_reg, HeapObject::kMapOffset)); |
| 460 | Handle<WeakCell> cell = Map::WeakCellForMap(receiver_map); |
| 461 | __ CmpWeakValue(scratch1, cell, scratch2); |
| 462 | __ j(not_equal, miss); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 463 | } |
| 464 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 465 | // Keep track of the current object in register reg. On the first |
| 466 | // iteration, reg is an alias for object_reg, on later iterations, |
| 467 | // it is an alias for holder_reg. |
| 468 | Register reg = object_reg; |
| 469 | int depth = 0; |
| 470 | |
| 471 | Handle<JSObject> current = Handle<JSObject>::null(); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 472 | if (receiver_map->IsJSGlobalObjectMap()) { |
| 473 | current = isolate()->global_object(); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 474 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 475 | |
| 476 | // Check access rights to the global object. This has to happen after |
| 477 | // the map check so that we know that the object is actually a global |
| 478 | // object. |
| 479 | // This allows us to install generated handlers for accesses to the |
| 480 | // global proxy (as opposed to using slow ICs). See corresponding code |
| 481 | // in LookupForRead(). |
| 482 | if (receiver_map->IsJSGlobalProxyMap()) { |
| 483 | __ CheckAccessGlobalProxy(reg, scratch2, miss); |
| 484 | } |
| 485 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 486 | Handle<JSObject> prototype = Handle<JSObject>::null(); |
| 487 | Handle<Map> current_map = receiver_map; |
| 488 | Handle<Map> holder_map(holder()->map()); |
| 489 | // Traverse the prototype chain and check the maps in the prototype chain for |
| 490 | // fast and global objects or do negative lookup for normal objects. |
| 491 | while (!current_map.is_identical_to(holder_map)) { |
| 492 | ++depth; |
| 493 | |
| 494 | // Only global objects and objects that do not require access |
| 495 | // checks are allowed in stubs. |
| 496 | DCHECK(current_map->IsJSGlobalProxyMap() || |
| 497 | !current_map->is_access_check_needed()); |
| 498 | |
| 499 | prototype = handle(JSObject::cast(current_map->prototype())); |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 500 | if (current_map->IsJSGlobalObjectMap()) { |
| 501 | GenerateCheckPropertyCell(masm(), Handle<JSGlobalObject>::cast(current), |
| 502 | name, scratch2, miss); |
| 503 | } else if (current_map->is_dictionary_map()) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 504 | DCHECK(!current_map->IsJSGlobalProxyMap()); // Proxy maps are fast. |
| 505 | if (!name->IsUniqueName()) { |
| 506 | DCHECK(name->IsString()); |
| 507 | name = factory()->InternalizeString(Handle<String>::cast(name)); |
| 508 | } |
| 509 | DCHECK(current.is_null() || |
| 510 | current->property_dictionary()->FindEntry(name) == |
| 511 | NameDictionary::kNotFound); |
| 512 | |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 513 | if (depth > 1) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 514 | // TODO(jkummerow): Cache and re-use weak cell. |
| 515 | __ LoadWeakValue(reg, isolate()->factory()->NewWeakCell(current), miss); |
| 516 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 517 | GenerateDictionaryNegativeLookup(masm(), miss, reg, name, scratch1, |
| 518 | scratch2); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 519 | } |
| 520 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 521 | reg = holder_reg; // From now on the object will be in holder_reg. |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 522 | // Go to the next object in the prototype chain. |
| 523 | current = prototype; |
| 524 | current_map = handle(current->map()); |
| 525 | } |
| 526 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 527 | DCHECK(!current_map->IsJSGlobalProxyMap()); |
| 528 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 529 | // Log the check depth. |
| 530 | LOG(isolate(), IntEvent("check-maps-depth", depth + 1)); |
| 531 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 532 | bool return_holder = return_what == RETURN_HOLDER; |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 533 | if (return_holder && depth != 0) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 534 | __ LoadWeakValue(reg, isolate()->factory()->NewWeakCell(current), miss); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 535 | } |
| 536 | |
| 537 | // Return the register containing the holder. |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 538 | return return_holder ? reg : no_reg; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 539 | } |
| 540 | |
| 541 | |
| 542 | void NamedLoadHandlerCompiler::FrontendFooter(Handle<Name> name, Label* miss) { |
| 543 | if (!miss->is_unused()) { |
| 544 | Label success; |
| 545 | __ jmp(&success); |
| 546 | __ bind(miss); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 547 | if (IC::ICUseVector(kind())) { |
| 548 | DCHECK(kind() == Code::LOAD_IC); |
| 549 | PopVectorAndSlot(); |
| 550 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 551 | TailCallBuiltin(masm(), MissBuiltin(kind())); |
| 552 | __ bind(&success); |
| 553 | } |
| 554 | } |
| 555 | |
| 556 | |
| 557 | void NamedStoreHandlerCompiler::FrontendFooter(Handle<Name> name, Label* miss) { |
| 558 | if (!miss->is_unused()) { |
| 559 | Label success; |
| 560 | __ jmp(&success); |
| 561 | GenerateRestoreName(miss, name); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 562 | if (IC::ICUseVector(kind())) PopVectorAndSlot(); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 563 | TailCallBuiltin(masm(), MissBuiltin(kind())); |
| 564 | __ bind(&success); |
| 565 | } |
| 566 | } |
| 567 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 568 | void NamedLoadHandlerCompiler::GenerateLoadConstant(Handle<Object> value) { |
| 569 | // Return the constant value. |
| 570 | __ Move(rax, value); |
| 571 | __ ret(0); |
| 572 | } |
| 573 | |
| 574 | |
| 575 | void NamedLoadHandlerCompiler::GenerateLoadInterceptorWithFollowup( |
| 576 | LookupIterator* it, Register holder_reg) { |
| 577 | DCHECK(holder()->HasNamedInterceptor()); |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 578 | DCHECK(!holder()->GetNamedInterceptor()->getter()->IsUndefined(isolate())); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 579 | |
| 580 | // Compile the interceptor call, followed by inline code to load the |
| 581 | // property from further up the prototype chain if the call fails. |
| 582 | // Check that the maps haven't changed. |
| 583 | DCHECK(holder_reg.is(receiver()) || holder_reg.is(scratch1())); |
| 584 | |
| 585 | // Preserve the receiver register explicitly whenever it is different from the |
| 586 | // holder and it is needed should the interceptor return without any result. |
| 587 | // The ACCESSOR case needs the receiver to be passed into C++ code, the FIELD |
| 588 | // case might cause a miss during the prototype check. |
| 589 | bool must_perform_prototype_check = |
| 590 | !holder().is_identical_to(it->GetHolder<JSObject>()); |
| 591 | bool must_preserve_receiver_reg = |
| 592 | !receiver().is(holder_reg) && |
| 593 | (it->state() == LookupIterator::ACCESSOR || must_perform_prototype_check); |
| 594 | |
| 595 | // Save necessary data before invoking an interceptor. |
| 596 | // Requires a frame to make GC aware of pushed pointers. |
| 597 | { |
| 598 | FrameScope frame_scope(masm(), StackFrame::INTERNAL); |
| 599 | |
| 600 | if (must_preserve_receiver_reg) { |
| 601 | __ Push(receiver()); |
| 602 | } |
| 603 | __ Push(holder_reg); |
| 604 | __ Push(this->name()); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 605 | InterceptorVectorSlotPush(holder_reg); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 606 | |
| 607 | // Invoke an interceptor. Note: map checks from receiver to |
| 608 | // interceptor's holder has been compiled before (see a caller |
| 609 | // of this method.) |
| 610 | CompileCallLoadPropertyWithInterceptor( |
| 611 | masm(), receiver(), holder_reg, this->name(), holder(), |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 612 | Runtime::kLoadPropertyWithInterceptorOnly); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 613 | |
| 614 | // Check if interceptor provided a value for property. If it's |
| 615 | // the case, return immediately. |
| 616 | Label interceptor_failed; |
| 617 | __ CompareRoot(rax, Heap::kNoInterceptorResultSentinelRootIndex); |
| 618 | __ j(equal, &interceptor_failed); |
| 619 | frame_scope.GenerateLeaveFrame(); |
| 620 | __ ret(0); |
| 621 | |
| 622 | __ bind(&interceptor_failed); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 623 | InterceptorVectorSlotPop(holder_reg); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 624 | __ Pop(this->name()); |
| 625 | __ Pop(holder_reg); |
| 626 | if (must_preserve_receiver_reg) { |
| 627 | __ Pop(receiver()); |
| 628 | } |
| 629 | |
| 630 | // Leave the internal frame. |
| 631 | } |
| 632 | |
| 633 | GenerateLoadPostInterceptor(it, holder_reg); |
| 634 | } |
| 635 | |
| 636 | |
| 637 | void NamedLoadHandlerCompiler::GenerateLoadInterceptor(Register holder_reg) { |
| 638 | // Call the runtime system to load the interceptor. |
| 639 | DCHECK(holder()->HasNamedInterceptor()); |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 640 | DCHECK(!holder()->GetNamedInterceptor()->getter()->IsUndefined(isolate())); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 641 | __ PopReturnAddressTo(scratch2()); |
| 642 | PushInterceptorArguments(masm(), receiver(), holder_reg, this->name(), |
| 643 | holder()); |
| 644 | __ PushReturnAddressFrom(scratch2()); |
| 645 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 646 | __ TailCallRuntime(Runtime::kLoadPropertyWithInterceptor); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 647 | } |
| 648 | |
| 649 | |
| 650 | Handle<Code> NamedStoreHandlerCompiler::CompileStoreCallback( |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 651 | Handle<JSObject> object, Handle<Name> name, Handle<AccessorInfo> callback, |
| 652 | LanguageMode language_mode) { |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 653 | Register holder_reg = Frontend(name); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 654 | |
| 655 | __ PopReturnAddressTo(scratch1()); |
| 656 | __ Push(receiver()); |
| 657 | __ Push(holder_reg); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 658 | // If the callback cannot leak, then push the callback directly, |
| 659 | // otherwise wrap it in a weak cell. |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 660 | if (callback->data()->IsUndefined(isolate()) || callback->data()->IsSmi()) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 661 | __ Push(callback); |
| 662 | } else { |
| 663 | Handle<WeakCell> cell = isolate()->factory()->NewWeakCell(callback); |
| 664 | __ Push(cell); |
| 665 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 666 | __ Push(name); |
| 667 | __ Push(value()); |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 668 | __ Push(Smi::FromInt(language_mode)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 669 | __ PushReturnAddressFrom(scratch1()); |
| 670 | |
| 671 | // Do tail-call to the runtime system. |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 672 | __ TailCallRuntime(Runtime::kStoreCallbackProperty); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 673 | |
| 674 | // Return the generated code. |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 675 | return GetCode(kind(), name); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 676 | } |
| 677 | |
| 678 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 679 | Register NamedStoreHandlerCompiler::value() { |
| 680 | return StoreDescriptor::ValueRegister(); |
| 681 | } |
| 682 | |
| 683 | |
| 684 | Handle<Code> NamedLoadHandlerCompiler::CompileLoadGlobal( |
| 685 | Handle<PropertyCell> cell, Handle<Name> name, bool is_configurable) { |
| 686 | Label miss; |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 687 | if (IC::ICUseVector(kind())) { |
| 688 | PushVectorAndSlot(); |
| 689 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 690 | FrontendHeader(receiver(), name, &miss, DONT_RETURN_ANYTHING); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 691 | |
| 692 | // Get the value from the cell. |
| 693 | Register result = StoreDescriptor::ValueRegister(); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 694 | Handle<WeakCell> weak_cell = factory()->NewWeakCell(cell); |
| 695 | __ LoadWeakValue(result, weak_cell, &miss); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 696 | __ movp(result, FieldOperand(result, PropertyCell::kValueOffset)); |
| 697 | |
| 698 | // Check for deleted property if property can actually be deleted. |
| 699 | if (is_configurable) { |
| 700 | __ CompareRoot(result, Heap::kTheHoleValueRootIndex); |
| 701 | __ j(equal, &miss); |
| 702 | } else if (FLAG_debug_code) { |
| 703 | __ CompareRoot(result, Heap::kTheHoleValueRootIndex); |
| 704 | __ Check(not_equal, kDontDeleteCellsCannotContainTheHole); |
| 705 | } |
| 706 | |
| 707 | Counters* counters = isolate()->counters(); |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 708 | __ IncrementCounter(counters->ic_named_load_global_stub(), 1); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 709 | if (IC::ICUseVector(kind())) { |
| 710 | DiscardVectorAndSlot(); |
| 711 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 712 | __ ret(0); |
| 713 | |
| 714 | FrontendFooter(name, &miss); |
| 715 | |
| 716 | // Return the generated code. |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 717 | return GetCode(kind(), name); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 718 | } |
| 719 | |
| 720 | |
| 721 | #undef __ |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 722 | } // namespace internal |
| 723 | } // namespace v8 |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 724 | |
| 725 | #endif // V8_TARGET_ARCH_X64 |