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Issue 22852024: Track JS allocations as they arrive with no affection on performance when tracking is switched off (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Make separate API for JS allocations recording, add example of checking JS allocations recording in… Created 7 years, 3 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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1042 Register key, 1042 Register key,
1043 Register r0, 1043 Register r0,
1044 Register r1, 1044 Register r1,
1045 Register r2, 1045 Register r2,
1046 Register result); 1046 Register result);
1047 1047
1048 1048
1049 // --------------------------------------------------------------------------- 1049 // ---------------------------------------------------------------------------
1050 // Allocation support 1050 // Allocation support
1051 1051
1052 void RecordObjectAllocation(Isolate* isolate,
1053 Register object,
1054 Register object_size);
1055
1056 void RecordObjectAllocation(Isolate* isolate,
1057 Register object,
1058 int object_size);
Hannes Payer (out of office) 2013/08/28 09:51:32 Can we move these methods after the Allocate(...)
Alexandra Mikhaylova 2013/09/19 16:03:38 Done.
1059
1052 // Allocate an object in new space or old pointer space. If the given space 1060 // Allocate an object in new space or old pointer space. If the given space
1053 // is exhausted control continues at the gc_required label. The allocated 1061 // is exhausted control continues at the gc_required label. The allocated
1054 // object is returned in result and end of the new object is returned in 1062 // object is returned in result and end of the new object is returned in
1055 // result_end. The register scratch can be passed as no_reg in which case 1063 // result_end. The register scratch can be passed as no_reg in which case
1056 // an additional object reference will be added to the reloc info. The 1064 // an additional object reference will be added to the reloc info. The
1057 // returned pointers in result and result_end have not yet been tagged as 1065 // returned pointers in result and result_end have not yet been tagged as
1058 // heap objects. If result_contains_top_on_entry is true the content of 1066 // heap objects. If result_contains_top_on_entry is true the content of
1059 // result is known to be the allocation top on entry (could be result_end 1067 // result is known to be the allocation top on entry (could be result_end
1060 // from a previous call). If result_contains_top_on_entry is true scratch 1068 // from a previous call). If result_contains_top_on_entry is true scratch
1061 // should be no_reg as it is never used. 1069 // should be no_reg as it is never used.
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1543 masm->popfq(); \ 1551 masm->popfq(); \
1544 } \ 1552 } \
1545 masm-> 1553 masm->
1546 #else 1554 #else
1547 #define ACCESS_MASM(masm) masm-> 1555 #define ACCESS_MASM(masm) masm->
1548 #endif 1556 #endif
1549 1557
1550 } } // namespace v8::internal 1558 } } // namespace v8::internal
1551 1559
1552 #endif // V8_X64_MACRO_ASSEMBLER_X64_H_ 1560 #endif // V8_X64_MACRO_ASSEMBLER_X64_H_
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