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| 1 // Copyright 2009 the V8 project authors. All rights reserved. | 1 // Copyright 2009 the V8 project authors. All rights reserved. |
| 2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
| 3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
| 4 // met: | 4 // met: |
| 5 // | 5 // |
| 6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
| 7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
| 8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
| 9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
| 10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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| 281 // +1 for receiver. | 281 // +1 for receiver. |
| 282 Forget(arg_count + 1); | 282 Forget(arg_count + 1); |
| 283 ASSERT(cgen()->HasValidEntryRegisters()); | 283 ASSERT(cgen()->HasValidEntryRegisters()); |
| 284 ParameterCount count(arg_count); | 284 ParameterCount count(arg_count); |
| 285 __ InvokeFunction(r1, count, CALL_FUNCTION); | 285 __ InvokeFunction(r1, count, CALL_FUNCTION); |
| 286 // Restore the context. | 286 // Restore the context. |
| 287 __ ldr(cp, Context()); | 287 __ ldr(cp, Context()); |
| 288 } | 288 } |
| 289 | 289 |
| 290 | 290 |
| 291 void VirtualFrame::CallRuntime(Runtime::Function* f, int arg_count) { | 291 void VirtualFrame::CallRuntime(const Runtime::Function* f, int arg_count) { |
| 292 SpillAll(); | 292 SpillAll(); |
| 293 Forget(arg_count); | 293 Forget(arg_count); |
| 294 ASSERT(cgen()->HasValidEntryRegisters()); | 294 ASSERT(cgen()->HasValidEntryRegisters()); |
| 295 __ CallRuntime(f, arg_count); | 295 __ CallRuntime(f, arg_count); |
| 296 } | 296 } |
| 297 | 297 |
| 298 | 298 |
| 299 void VirtualFrame::CallRuntime(Runtime::FunctionId id, int arg_count) { | 299 void VirtualFrame::CallRuntime(Runtime::FunctionId id, int arg_count) { |
| 300 SpillAll(); | 300 SpillAll(); |
| 301 Forget(arg_count); | 301 Forget(arg_count); |
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| 314 | 314 |
| 315 void VirtualFrame::InvokeBuiltin(Builtins::JavaScript id, | 315 void VirtualFrame::InvokeBuiltin(Builtins::JavaScript id, |
| 316 InvokeJSFlags flags, | 316 InvokeJSFlags flags, |
| 317 int arg_count) { | 317 int arg_count) { |
| 318 Forget(arg_count); | 318 Forget(arg_count); |
| 319 __ InvokeBuiltin(id, flags); | 319 __ InvokeBuiltin(id, flags); |
| 320 } | 320 } |
| 321 | 321 |
| 322 | 322 |
| 323 void VirtualFrame::CallLoadIC(Handle<String> name, RelocInfo::Mode mode) { | 323 void VirtualFrame::CallLoadIC(Handle<String> name, RelocInfo::Mode mode) { |
| 324 Handle<Code> ic(Builtins::builtin(Builtins::LoadIC_Initialize)); | 324 Handle<Code> ic(Isolate::Current()->builtins()->builtin( |
| 325 Builtins::LoadIC_Initialize)); |
| 325 PopToR0(); | 326 PopToR0(); |
| 326 SpillAll(); | 327 SpillAll(); |
| 327 __ mov(r2, Operand(name)); | 328 __ mov(r2, Operand(name)); |
| 328 CallCodeObject(ic, mode, 0); | 329 CallCodeObject(ic, mode, 0); |
| 329 } | 330 } |
| 330 | 331 |
| 331 | 332 |
| 332 void VirtualFrame::CallStoreIC(Handle<String> name, | 333 void VirtualFrame::CallStoreIC(Handle<String> name, |
| 333 bool is_contextual, | 334 bool is_contextual, |
| 334 StrictModeFlag strict_mode) { | 335 StrictModeFlag strict_mode) { |
| 335 Handle<Code> ic(Builtins::builtin( | 336 Handle<Code> ic(Isolate::Current()->builtins()->builtin( |
| 336 (strict_mode == kStrictMode) ? Builtins::StoreIC_Initialize_Strict | 337 (strict_mode == kStrictMode) ? Builtins::StoreIC_Initialize_Strict |
| 337 : Builtins::StoreIC_Initialize)); | 338 : Builtins::StoreIC_Initialize)); |
| 338 PopToR0(); | 339 PopToR0(); |
| 339 RelocInfo::Mode mode; | 340 RelocInfo::Mode mode; |
| 340 if (is_contextual) { | 341 if (is_contextual) { |
| 341 SpillAll(); | 342 SpillAll(); |
| 342 __ ldr(r1, MemOperand(cp, Context::SlotOffset(Context::GLOBAL_INDEX))); | 343 __ ldr(r1, MemOperand(cp, Context::SlotOffset(Context::GLOBAL_INDEX))); |
| 343 mode = RelocInfo::CODE_TARGET_CONTEXT; | 344 mode = RelocInfo::CODE_TARGET_CONTEXT; |
| 344 } else { | 345 } else { |
| 345 EmitPop(r1); | 346 EmitPop(r1); |
| 346 SpillAll(); | 347 SpillAll(); |
| 347 mode = RelocInfo::CODE_TARGET; | 348 mode = RelocInfo::CODE_TARGET; |
| 348 } | 349 } |
| 349 __ mov(r2, Operand(name)); | 350 __ mov(r2, Operand(name)); |
| 350 CallCodeObject(ic, mode, 0); | 351 CallCodeObject(ic, mode, 0); |
| 351 } | 352 } |
| 352 | 353 |
| 353 | 354 |
| 354 void VirtualFrame::CallKeyedLoadIC() { | 355 void VirtualFrame::CallKeyedLoadIC() { |
| 355 Handle<Code> ic(Builtins::builtin(Builtins::KeyedLoadIC_Initialize)); | 356 Handle<Code> ic(Isolate::Current()->builtins()->builtin( |
| 357 Builtins::KeyedLoadIC_Initialize)); |
| 356 PopToR1R0(); | 358 PopToR1R0(); |
| 357 SpillAll(); | 359 SpillAll(); |
| 358 CallCodeObject(ic, RelocInfo::CODE_TARGET, 0); | 360 CallCodeObject(ic, RelocInfo::CODE_TARGET, 0); |
| 359 } | 361 } |
| 360 | 362 |
| 361 | 363 |
| 362 void VirtualFrame::CallKeyedStoreIC(StrictModeFlag strict_mode) { | 364 void VirtualFrame::CallKeyedStoreIC(StrictModeFlag strict_mode) { |
| 363 Handle<Code> ic(Builtins::builtin( | 365 Handle<Code> ic(Isolate::Current()->builtins()->builtin( |
| 364 (strict_mode == kStrictMode) ? Builtins::KeyedStoreIC_Initialize_Strict | 366 (strict_mode == kStrictMode) ? Builtins::KeyedStoreIC_Initialize_Strict |
| 365 : Builtins::KeyedStoreIC_Initialize)); | 367 : Builtins::KeyedStoreIC_Initialize)); |
| 366 PopToR1R0(); | 368 PopToR1R0(); |
| 367 SpillAll(); | 369 SpillAll(); |
| 368 EmitPop(r2); | 370 EmitPop(r2); |
| 369 CallCodeObject(ic, RelocInfo::CODE_TARGET, 0); | 371 CallCodeObject(ic, RelocInfo::CODE_TARGET, 0); |
| 370 } | 372 } |
| 371 | 373 |
| 372 | 374 |
| 373 void VirtualFrame::CallCodeObject(Handle<Code> code, | 375 void VirtualFrame::CallCodeObject(Handle<Code> code, |
| 374 RelocInfo::Mode rmode, | 376 RelocInfo::Mode rmode, |
| 375 int dropped_args) { | 377 int dropped_args) { |
| 376 switch (code->kind()) { | 378 switch (code->kind()) { |
| 377 case Code::CALL_IC: | 379 case Code::CALL_IC: |
| 378 case Code::KEYED_CALL_IC: | 380 case Code::KEYED_CALL_IC: |
| 379 case Code::FUNCTION: | 381 case Code::FUNCTION: |
| 380 break; | 382 break; |
| 381 case Code::KEYED_LOAD_IC: | 383 case Code::KEYED_LOAD_IC: |
| 382 case Code::LOAD_IC: | 384 case Code::LOAD_IC: |
| 383 case Code::KEYED_STORE_IC: | 385 case Code::KEYED_STORE_IC: |
| 384 case Code::STORE_IC: | 386 case Code::STORE_IC: |
| 385 ASSERT(dropped_args == 0); | 387 ASSERT(dropped_args == 0); |
| 386 break; | 388 break; |
| 387 case Code::BUILTIN: | 389 case Code::BUILTIN: |
| 388 ASSERT(*code == Builtins::builtin(Builtins::JSConstructCall)); | 390 ASSERT(*code == Isolate::Current()->builtins()->builtin( |
| 391 Builtins::JSConstructCall)); |
| 389 break; | 392 break; |
| 390 default: | 393 default: |
| 391 UNREACHABLE(); | 394 UNREACHABLE(); |
| 392 break; | 395 break; |
| 393 } | 396 } |
| 394 Forget(dropped_args); | 397 Forget(dropped_args); |
| 395 ASSERT(cgen()->HasValidEntryRegisters()); | 398 ASSERT(cgen()->HasValidEntryRegisters()); |
| 396 __ Call(code, rmode); | 399 __ Call(code, rmode); |
| 397 } | 400 } |
| 398 | 401 |
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| 415 // be adjusted. | 418 // be adjusted. |
| 416 const VirtualFrame::TopOfStack VirtualFrame::kStateAfterPop[TOS_STATES] = | 419 const VirtualFrame::TopOfStack VirtualFrame::kStateAfterPop[TOS_STATES] = |
| 417 { NO_TOS_REGISTERS, NO_TOS_REGISTERS, NO_TOS_REGISTERS, R0_TOS, R1_TOS }; | 420 { NO_TOS_REGISTERS, NO_TOS_REGISTERS, NO_TOS_REGISTERS, R0_TOS, R1_TOS }; |
| 418 // Pushing is done by the transition implied by kStateAfterPush. Of course if | 421 // Pushing is done by the transition implied by kStateAfterPush. Of course if |
| 419 // the maximum number of registers was already allocated to the top of stack | 422 // the maximum number of registers was already allocated to the top of stack |
| 420 // slots then one register must be physically pushed onto the stack. | 423 // slots then one register must be physically pushed onto the stack. |
| 421 const VirtualFrame::TopOfStack VirtualFrame::kStateAfterPush[TOS_STATES] = | 424 const VirtualFrame::TopOfStack VirtualFrame::kStateAfterPush[TOS_STATES] = |
| 422 { R0_TOS, R1_R0_TOS, R0_R1_TOS, R0_R1_TOS, R1_R0_TOS }; | 425 { R0_TOS, R1_R0_TOS, R0_R1_TOS, R0_R1_TOS, R1_R0_TOS }; |
| 423 | 426 |
| 424 | 427 |
| 425 bool VirtualFrame::SpilledScope::is_spilled_ = false; | |
| 426 | |
| 427 | |
| 428 void VirtualFrame::Drop(int count) { | 428 void VirtualFrame::Drop(int count) { |
| 429 ASSERT(count >= 0); | 429 ASSERT(count >= 0); |
| 430 ASSERT(height() >= count); | 430 ASSERT(height() >= count); |
| 431 // Discard elements from the virtual frame and free any registers. | 431 // Discard elements from the virtual frame and free any registers. |
| 432 int num_virtual_elements = kVirtualElements[top_of_stack_state_]; | 432 int num_virtual_elements = kVirtualElements[top_of_stack_state_]; |
| 433 while (num_virtual_elements > 0) { | 433 while (num_virtual_elements > 0) { |
| 434 Pop(); | 434 Pop(); |
| 435 num_virtual_elements--; | 435 num_virtual_elements--; |
| 436 count--; | 436 count--; |
| 437 if (count == 0) return; | 437 if (count == 0) return; |
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| 834 break; | 834 break; |
| 835 } | 835 } |
| 836 ASSERT(register_allocation_map_ == 0); // Not yet implemented. | 836 ASSERT(register_allocation_map_ == 0); // Not yet implemented. |
| 837 } | 837 } |
| 838 | 838 |
| 839 #undef __ | 839 #undef __ |
| 840 | 840 |
| 841 } } // namespace v8::internal | 841 } } // namespace v8::internal |
| 842 | 842 |
| 843 #endif // V8_TARGET_ARCH_ARM | 843 #endif // V8_TARGET_ARCH_ARM |
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