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1 // Copyright 2013 the V8 project authors. All rights reserved. | 1 // Copyright 2013 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #if V8_TARGET_ARCH_ARM64 | 5 #if V8_TARGET_ARCH_ARM64 |
6 | 6 |
7 #include "src/arm64/frames-arm64.h" | 7 #include "src/arm64/frames-arm64.h" |
8 #include "src/codegen.h" | 8 #include "src/codegen.h" |
9 #include "src/debug/debug.h" | 9 #include "src/debug/debug.h" |
10 #include "src/deoptimizer.h" | 10 #include "src/deoptimizer.h" |
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1387 // Compute the target address = code_obj + header_size + osr_offset | 1387 // Compute the target address = code_obj + header_size + osr_offset |
1388 // <entry_addr> = <code_obj> + #header_size + <osr_offset> | 1388 // <entry_addr> = <code_obj> + #header_size + <osr_offset> |
1389 __ Add(x0, x0, x1); | 1389 __ Add(x0, x0, x1); |
1390 __ Add(lr, x0, Code::kHeaderSize - kHeapObjectTag); | 1390 __ Add(lr, x0, Code::kHeaderSize - kHeapObjectTag); |
1391 | 1391 |
1392 // And "return" to the OSR entry point of the function. | 1392 // And "return" to the OSR entry point of the function. |
1393 __ Ret(); | 1393 __ Ret(); |
1394 } | 1394 } |
1395 | 1395 |
1396 | 1396 |
1397 void Builtins::Generate_OsrAfterStackCheck(MacroAssembler* masm) { | |
1398 // We check the stack limit as indicator that recompilation might be done. | |
1399 Label ok; | |
1400 __ CompareRoot(jssp, Heap::kStackLimitRootIndex); | |
1401 __ B(hs, &ok); | |
1402 { | |
1403 FrameScope scope(masm, StackFrame::INTERNAL); | |
1404 __ CallRuntime(Runtime::kStackGuard); | |
1405 } | |
1406 __ Jump(masm->isolate()->builtins()->OnStackReplacement(), | |
1407 RelocInfo::CODE_TARGET); | |
1408 | |
1409 __ Bind(&ok); | |
1410 __ Ret(); | |
1411 } | |
1412 | |
1413 | |
1414 // static | 1397 // static |
1415 void Builtins::Generate_DatePrototype_GetField(MacroAssembler* masm, | 1398 void Builtins::Generate_DatePrototype_GetField(MacroAssembler* masm, |
1416 int field_index) { | 1399 int field_index) { |
1417 // ----------- S t a t e ------------- | 1400 // ----------- S t a t e ------------- |
1418 // -- lr : return address | 1401 // -- lr : return address |
1419 // -- jssp[0] : receiver | 1402 // -- jssp[0] : receiver |
1420 // ----------------------------------- | 1403 // ----------------------------------- |
1421 ASM_LOCATION("Builtins::Generate_DatePrototype_GetField"); | 1404 ASM_LOCATION("Builtins::Generate_DatePrototype_GetField"); |
1422 | 1405 |
1423 // 1. Pop receiver into x0 and check that it's actually a JSDate object. | 1406 // 1. Pop receiver into x0 and check that it's actually a JSDate object. |
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2709 } | 2692 } |
2710 } | 2693 } |
2711 | 2694 |
2712 | 2695 |
2713 #undef __ | 2696 #undef __ |
2714 | 2697 |
2715 } // namespace internal | 2698 } // namespace internal |
2716 } // namespace v8 | 2699 } // namespace v8 |
2717 | 2700 |
2718 #endif // V8_TARGET_ARCH_ARM | 2701 #endif // V8_TARGET_ARCH_ARM |
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