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Issue 501148: The number of heap slots stored in a scope includes the... (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/
Patch Set: Created 11 years 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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1362 // reading it from the builtins object. NOTE: We should be able to 1362 // reading it from the builtins object. NOTE: We should be able to
1363 // reduce this to two instructions by putting the function table in 1363 // reduce this to two instructions by putting the function table in
1364 // the global object instead of the "builtins" object and by using a 1364 // the global object instead of the "builtins" object and by using a
1365 // real register for the function. 1365 // real register for the function.
1366 mov(edx, Operand(esi, Context::SlotOffset(Context::GLOBAL_INDEX))); 1366 mov(edx, Operand(esi, Context::SlotOffset(Context::GLOBAL_INDEX)));
1367 mov(edx, FieldOperand(edx, GlobalObject::kBuiltinsOffset)); 1367 mov(edx, FieldOperand(edx, GlobalObject::kBuiltinsOffset));
1368 int builtins_offset = 1368 int builtins_offset =
1369 JSBuiltinsObject::kJSBuiltinsOffset + (id * kPointerSize); 1369 JSBuiltinsObject::kJSBuiltinsOffset + (id * kPointerSize);
1370 mov(edi, FieldOperand(edx, builtins_offset)); 1370 mov(edi, FieldOperand(edx, builtins_offset));
1371 1371
1372
1373 return Builtins::GetCode(id, resolved); 1372 return Builtins::GetCode(id, resolved);
1374 } 1373 }
1375 1374
1376 1375
1377 void MacroAssembler::LoadContext(Register dst, int context_chain_length) { 1376 void MacroAssembler::LoadContext(Register dst, int context_chain_length) {
1378 if (context_chain_length > 0) { 1377 if (context_chain_length > 0) {
1379 // Move up the chain of contexts to the context containing the slot. 1378 // Move up the chain of contexts to the context containing the slot.
1380 mov(dst, Operand(esi, Context::SlotOffset(Context::CLOSURE_INDEX))); 1379 mov(dst, Operand(esi, Context::SlotOffset(Context::CLOSURE_INDEX)));
1381 // Load the function context (which is the incoming, outer context). 1380 // Load the function context (which is the incoming, outer context).
1382 mov(dst, FieldOperand(dst, JSFunction::kContextOffset)); 1381 mov(dst, FieldOperand(dst, JSFunction::kContextOffset));
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1498 // Indicate that code has changed. 1497 // Indicate that code has changed.
1499 CPU::FlushICache(address_, size_); 1498 CPU::FlushICache(address_, size_);
1500 1499
1501 // Check that the code was patched as expected. 1500 // Check that the code was patched as expected.
1502 ASSERT(masm_.pc_ == address_ + size_); 1501 ASSERT(masm_.pc_ == address_ + size_);
1503 ASSERT(masm_.reloc_info_writer.pos() == address_ + size_ + Assembler::kGap); 1502 ASSERT(masm_.reloc_info_writer.pos() == address_ + size_ + Assembler::kGap);
1504 } 1503 }
1505 1504
1506 1505
1507 } } // namespace v8::internal 1506 } } // namespace v8::internal
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