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Issue 1379933003: Revert of [Interpreter] Add CallRuntime support to the interpreter. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Created 5 years, 2 months ago
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1 // Copyright 2012 the V8 project authors. All rights reserved. 1 // Copyright 2012 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_IA32 5 #if V8_TARGET_ARCH_IA32
6 6
7 #include "src/base/bits.h" 7 #include "src/base/bits.h"
8 #include "src/bootstrapper.h" 8 #include "src/bootstrapper.h"
9 #include "src/code-stubs.h" 9 #include "src/code-stubs.h"
10 #include "src/codegen.h" 10 #include "src/codegen.h"
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2418 } 2418 }
2419 2419
2420 2420
2421 void CEntryStub::Generate(MacroAssembler* masm) { 2421 void CEntryStub::Generate(MacroAssembler* masm) {
2422 // eax: number of arguments including receiver 2422 // eax: number of arguments including receiver
2423 // ebx: pointer to C function (C callee-saved) 2423 // ebx: pointer to C function (C callee-saved)
2424 // ebp: frame pointer (restored after C call) 2424 // ebp: frame pointer (restored after C call)
2425 // esp: stack pointer (restored after C call) 2425 // esp: stack pointer (restored after C call)
2426 // esi: current context (C callee-saved) 2426 // esi: current context (C callee-saved)
2427 // edi: JS function of the caller (C callee-saved) 2427 // edi: JS function of the caller (C callee-saved)
2428 //
2429 // If argv_in_register():
2430 // ecx: pointer to the first argument
2431 2428
2432 ProfileEntryHookStub::MaybeCallEntryHook(masm); 2429 ProfileEntryHookStub::MaybeCallEntryHook(masm);
2433 2430
2434 // Enter the exit frame that transitions from JavaScript to C++. 2431 // Enter the exit frame that transitions from JavaScript to C++.
2435 if (argv_in_register()) { 2432 __ EnterExitFrame(save_doubles());
2436 DCHECK(!save_doubles());
2437 __ EnterApiExitFrame(3);
2438
2439 // Move argc and argv into the correct registers.
2440 __ mov(esi, ecx);
2441 __ mov(edi, eax);
2442 } else {
2443 __ EnterExitFrame(save_doubles());
2444 }
2445 2433
2446 // ebx: pointer to C function (C callee-saved) 2434 // ebx: pointer to C function (C callee-saved)
2447 // ebp: frame pointer (restored after C call) 2435 // ebp: frame pointer (restored after C call)
2448 // esp: stack pointer (restored after C call) 2436 // esp: stack pointer (restored after C call)
2449 // edi: number of arguments including receiver (C callee-saved) 2437 // edi: number of arguments including receiver (C callee-saved)
2450 // esi: pointer to the first argument (C callee-saved) 2438 // esi: pointer to the first argument (C callee-saved)
2451 2439
2452 // Result returned in eax, or eax+edx if result size is 2. 2440 // Result returned in eax, or eax+edx if result size is 2.
2453 2441
2454 // Check stack alignment. 2442 // Check stack alignment.
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2479 Isolate::kPendingExceptionAddress, isolate()); 2467 Isolate::kPendingExceptionAddress, isolate());
2480 __ cmp(edx, Operand::StaticVariable(pending_exception_address)); 2468 __ cmp(edx, Operand::StaticVariable(pending_exception_address));
2481 // Cannot use check here as it attempts to generate call into runtime. 2469 // Cannot use check here as it attempts to generate call into runtime.
2482 __ j(equal, &okay, Label::kNear); 2470 __ j(equal, &okay, Label::kNear);
2483 __ int3(); 2471 __ int3();
2484 __ bind(&okay); 2472 __ bind(&okay);
2485 __ pop(edx); 2473 __ pop(edx);
2486 } 2474 }
2487 2475
2488 // Exit the JavaScript to C++ exit frame. 2476 // Exit the JavaScript to C++ exit frame.
2489 __ LeaveExitFrame(save_doubles(), !argv_in_register()); 2477 __ LeaveExitFrame(save_doubles());
2490 __ ret(0); 2478 __ ret(0);
2491 2479
2492 // Handling of exception. 2480 // Handling of exception.
2493 __ bind(&exception_returned); 2481 __ bind(&exception_returned);
2494 2482
2495 ExternalReference pending_handler_context_address( 2483 ExternalReference pending_handler_context_address(
2496 Isolate::kPendingHandlerContextAddress, isolate()); 2484 Isolate::kPendingHandlerContextAddress, isolate());
2497 ExternalReference pending_handler_code_address( 2485 ExternalReference pending_handler_code_address(
2498 Isolate::kPendingHandlerCodeAddress, isolate()); 2486 Isolate::kPendingHandlerCodeAddress, isolate());
2499 ExternalReference pending_handler_offset_address( 2487 ExternalReference pending_handler_offset_address(
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5827 Operand(ebp, 7 * kPointerSize), NULL); 5815 Operand(ebp, 7 * kPointerSize), NULL);
5828 } 5816 }
5829 5817
5830 5818
5831 #undef __ 5819 #undef __
5832 5820
5833 } // namespace internal 5821 } // namespace internal
5834 } // namespace v8 5822 } // namespace v8
5835 5823
5836 #endif // V8_TARGET_ARCH_IA32 5824 #endif // V8_TARGET_ARCH_IA32
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