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Issue 12314155: Allow direct allocation in old pointer space. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 7 years, 9 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 // 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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653 : -1; 653 : -1;
654 ASSERT((type == -1) || 654 ASSERT((type == -1) ||
655 ((FIRST_IC_MARKER <= type) && (type < LAST_CODE_MARKER))); 655 ((FIRST_IC_MARKER <= type) && (type < LAST_CODE_MARKER)));
656 return type; 656 return type;
657 } 657 }
658 658
659 659
660 // --------------------------------------------------------------------------- 660 // ---------------------------------------------------------------------------
661 // Allocation support 661 // Allocation support
662 662
663 // Allocate an object in new space. The object_size is specified 663 // Allocate an object in new space or old pointer space. The object_size is
664 // either in bytes or in words if the allocation flag SIZE_IN_WORDS 664 // specified either in bytes or in words if the allocation flag SIZE_IN_WORDS
665 // is passed. If the new space is exhausted control continues at the 665 // is passed. If the space is exhausted control continues at the gc_required
666 // gc_required label. The allocated object is returned in result. If 666 // label. The allocated object is returned in result. If the flag
667 // the flag tag_allocated_object is true the result is tagged as as 667 // tag_allocated_object is true the result is tagged as as a heap object.
668 // a heap object. All registers are clobbered also when control 668 // All registers are clobbered also when control continues at the gc_required
669 // continues at the gc_required label. 669 // label.
670 void AllocateInNewSpace(int object_size, 670 void Allocate(int object_size,
671 Register result, 671 Register result,
672 Register scratch1, 672 Register scratch1,
673 Register scratch2, 673 Register scratch2,
674 Label* gc_required, 674 Label* gc_required,
675 AllocationFlags flags); 675 AllocationFlags flags);
676
676 void AllocateInNewSpace(Register object_size, 677 void AllocateInNewSpace(Register object_size,
677 Register result, 678 Register result,
678 Register scratch1, 679 Register scratch1,
679 Register scratch2, 680 Register scratch2,
680 Label* gc_required, 681 Label* gc_required,
681 AllocationFlags flags); 682 AllocationFlags flags);
682 683
683 // Undo allocation in new space. The object passed and objects allocated after 684 // Undo allocation in new space. The object passed and objects allocated after
684 // it will no longer be allocated. The caller must make sure that no pointers 685 // it will no longer be allocated. The caller must make sure that no pointers
685 // are left to the object(s) no longer allocated as they would be invalid when 686 // are left to the object(s) no longer allocated as they would be invalid when
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1424 #define __FILE_LINE__ __FILE__ ":" CODE_COVERAGE_TOSTRING(__LINE__) 1425 #define __FILE_LINE__ __FILE__ ":" CODE_COVERAGE_TOSTRING(__LINE__)
1425 #define ACCESS_MASM(masm) masm->stop(__FILE_LINE__); masm-> 1426 #define ACCESS_MASM(masm) masm->stop(__FILE_LINE__); masm->
1426 #else 1427 #else
1427 #define ACCESS_MASM(masm) masm-> 1428 #define ACCESS_MASM(masm) masm->
1428 #endif 1429 #endif
1429 1430
1430 1431
1431 } } // namespace v8::internal 1432 } } // namespace v8::internal
1432 1433
1433 #endif // V8_ARM_MACRO_ASSEMBLER_ARM_H_ 1434 #endif // V8_ARM_MACRO_ASSEMBLER_ARM_H_
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