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Issue 2720005: [Isolates] Begin removing [static] from Top.... (Closed) Base URL: http://v8.googlecode.com/svn/branches/experimental/isolates/
Patch Set: '' Created 10 years, 6 months ago
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1 // Copyright 2006-2009 the V8 project authors. All rights reserved. 1 // Copyright 2006-2009 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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74 PrintF("]\n"); 74 PrintF("]\n");
75 } 75 }
76 } 76 }
77 #endif 77 #endif
78 78
79 79
80 IC::IC(FrameDepth depth) { 80 IC::IC(FrameDepth depth) {
81 // To improve the performance of the (much used) IC code, we unfold 81 // To improve the performance of the (much used) IC code, we unfold
82 // a few levels of the stack frame iteration code. This yields a 82 // a few levels of the stack frame iteration code. This yields a
83 // ~35% speedup when running DeltaBlue with the '--nouse-ic' flag. 83 // ~35% speedup when running DeltaBlue with the '--nouse-ic' flag.
84 const Address entry = Top::c_entry_fp(Top::GetCurrentThread()); 84 const Address entry = Top::c_entry_fp(Isolate::Current()->thread_local_top());
85 Address* pc_address = 85 Address* pc_address =
86 reinterpret_cast<Address*>(entry + ExitFrameConstants::kCallerPCOffset); 86 reinterpret_cast<Address*>(entry + ExitFrameConstants::kCallerPCOffset);
87 Address fp = Memory::Address_at(entry + ExitFrameConstants::kCallerFPOffset); 87 Address fp = Memory::Address_at(entry + ExitFrameConstants::kCallerFPOffset);
88 // If there's another JavaScript frame on the stack, we need to look 88 // If there's another JavaScript frame on the stack, we need to look
89 // one frame further down the stack to find the frame pointer and 89 // one frame further down the stack to find the frame pointer and
90 // the return address stack slot. 90 // the return address stack slot.
91 if (depth == EXTRA_CALL_FRAME) { 91 if (depth == EXTRA_CALL_FRAME) {
92 const int kCallerPCOffset = StandardFrameConstants::kCallerPCOffset; 92 const int kCallerPCOffset = StandardFrameConstants::kCallerPCOffset;
93 pc_address = reinterpret_cast<Address*>(fp + kCallerPCOffset); 93 pc_address = reinterpret_cast<Address*>(fp + kCallerPCOffset);
94 fp = Memory::Address_at(fp + StandardFrameConstants::kCallerFPOffset); 94 fp = Memory::Address_at(fp + StandardFrameConstants::kCallerFPOffset);
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1644 #undef ADDR 1644 #undef ADDR
1645 }; 1645 };
1646 1646
1647 1647
1648 Address IC::AddressFromUtilityId(IC::UtilityId id) { 1648 Address IC::AddressFromUtilityId(IC::UtilityId id) {
1649 return IC_utilities[id]; 1649 return IC_utilities[id];
1650 } 1650 }
1651 1651
1652 1652
1653 } } // namespace v8::internal 1653 } } // namespace v8::internal
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