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Issue 14289006: Implements catch on MIPS. (Closed) Base URL: http://dart.googlecode.com/svn/branches/bleeding_edge/dart/
Patch Set: Created 7 years, 8 months ago
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1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file 1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file
2 // for details. All rights reserved. Use of this source code is governed by a 2 // for details. All rights reserved. Use of this source code is governed by a
3 // BSD-style license that can be found in the LICENSE file. 3 // BSD-style license that can be found in the LICENSE file.
4 4
5 #include "vm/globals.h" 5 #include "vm/globals.h"
6 #if defined(TARGET_ARCH_ARM) 6 #if defined(TARGET_ARCH_ARM)
7 7
8 #include "vm/assembler.h" 8 #include "vm/assembler.h"
9 #include "vm/code_generator.h" 9 #include "vm/code_generator.h"
10 #include "vm/compiler.h" 10 #include "vm/compiler.h"
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597 // Note that VisitObjectPointers will find this saved Context pointer during 597 // Note that VisitObjectPointers will find this saved Context pointer during
598 // GC marking, since it traverses any information between SP and 598 // GC marking, since it traverses any information between SP and
599 // FP - kExitLinkOffsetInEntryFrame. 599 // FP - kExitLinkOffsetInEntryFrame.
600 // EntryFrame::SavedContext reads the context saved in this frame. 600 // EntryFrame::SavedContext reads the context saved in this frame.
601 __ LoadFromOffset(kLoadWord, R4, R8, Isolate::top_context_offset()); 601 __ LoadFromOffset(kLoadWord, R4, R8, Isolate::top_context_offset());
602 602
603 // The constants kSavedContextOffsetInEntryFrame and 603 // The constants kSavedContextOffsetInEntryFrame and
604 // kExitLinkOffsetInEntryFrame must be kept in sync with the code below. 604 // kExitLinkOffsetInEntryFrame must be kept in sync with the code below.
605 __ PushList((1 << R4) | (1 << R5)); 605 __ PushList((1 << R4) | (1 << R5));
606 606
607 // The stack pointer is restore after the call to this location. 607 // The stack pointer is restored after the call to this location.
608 const intptr_t kSavedContextOffsetInEntryFrame = -10 * kWordSize; 608 const intptr_t kSavedContextOffsetInEntryFrame = -10 * kWordSize;
609 609
610 // Load arguments descriptor array into R4, which is passed to Dart code. 610 // Load arguments descriptor array into R4, which is passed to Dart code.
611 __ ldr(R4, Address(R1, VMHandles::kOffsetOfRawPtrInHandle)); 611 __ ldr(R4, Address(R1, VMHandles::kOffsetOfRawPtrInHandle));
612 612
613 // Load number of arguments into R5. 613 // Load number of arguments into R5.
614 __ ldr(R5, FieldAddress(R4, ArgumentsDescriptor::count_offset())); 614 __ ldr(R5, FieldAddress(R4, ArgumentsDescriptor::count_offset()));
615 __ SmiUntag(R5); 615 __ SmiUntag(R5);
616 616
617 // Compute address of 'arguments array' data area into R2. 617 // Compute address of 'arguments array' data area into R2.
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1788 __ Bind(&reference_compare); 1788 __ Bind(&reference_compare);
1789 __ cmp(left, ShifterOperand(right)); 1789 __ cmp(left, ShifterOperand(right));
1790 __ Bind(&done); 1790 __ Bind(&done);
1791 __ PopList((1 << R0) | (1 << R1) | (1 << R2)); 1791 __ PopList((1 << R0) | (1 << R1) | (1 << R2));
1792 __ Ret(); 1792 __ Ret();
1793 } 1793 }
1794 1794
1795 } // namespace dart 1795 } // namespace dart
1796 1796
1797 #endif // defined TARGET_ARCH_ARM 1797 #endif // defined TARGET_ARCH_ARM
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