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| 1 // Copyright 2006-2008 the V8 project authors. All rights reserved. | 1 // Copyright 2006-2008 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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| 866   ParameterCount expected(0); | 866   ParameterCount expected(0); | 
| 867   InvokeCode(Handle<Code>(code), expected, expected, | 867   InvokeCode(Handle<Code>(code), expected, expected, | 
| 868              RelocInfo::CODE_TARGET, flag); | 868              RelocInfo::CODE_TARGET, flag); | 
| 869 | 869 | 
| 870   const char* name = Builtins::GetName(id); | 870   const char* name = Builtins::GetName(id); | 
| 871   int argc = Builtins::GetArgumentsCount(id); | 871   int argc = Builtins::GetArgumentsCount(id); | 
| 872 | 872 | 
| 873   if (!resolved) { | 873   if (!resolved) { | 
| 874     uint32_t flags = | 874     uint32_t flags = | 
| 875         Bootstrapper::FixupFlagsArgumentsCount::encode(argc) | | 875         Bootstrapper::FixupFlagsArgumentsCount::encode(argc) | | 
| 876         Bootstrapper::FixupFlagsIsPCRelative::encode(true); | 876         Bootstrapper::FixupFlagsIsPCRelative::encode(true) | | 
|  | 877         Bootstrapper::FixupFlagsUseCodeObject::encode(false); | 
| 877     Unresolved entry = { pc_offset() - sizeof(int32_t), flags, name }; | 878     Unresolved entry = { pc_offset() - sizeof(int32_t), flags, name }; | 
| 878     unresolved_.Add(entry); | 879     unresolved_.Add(entry); | 
| 879   } | 880   } | 
| 880 } | 881 } | 
| 881 | 882 | 
| 882 | 883 | 
| 883 void MacroAssembler::GetBuiltinEntry(Register target, Builtins::JavaScript id) { | 884 void MacroAssembler::GetBuiltinEntry(Register target, Builtins::JavaScript id) { | 
| 884   bool resolved; | 885   bool resolved; | 
| 885   Handle<Code> code = ResolveBuiltin(id, &resolved); | 886   Handle<Code> code = ResolveBuiltin(id, &resolved); | 
| 886 | 887 | 
| 887   const char* name = Builtins::GetName(id); | 888   const char* name = Builtins::GetName(id); | 
| 888   int argc = Builtins::GetArgumentsCount(id); | 889   int argc = Builtins::GetArgumentsCount(id); | 
| 889 | 890 | 
| 890   mov(Operand(target), Immediate(code)); | 891   mov(Operand(target), Immediate(code)); | 
| 891   if (!resolved) { | 892   if (!resolved) { | 
| 892     uint32_t flags = | 893     uint32_t flags = | 
| 893         Bootstrapper::FixupFlagsArgumentsCount::encode(argc) | | 894         Bootstrapper::FixupFlagsArgumentsCount::encode(argc) | | 
| 894         Bootstrapper::FixupFlagsIsPCRelative::encode(false); | 895         Bootstrapper::FixupFlagsIsPCRelative::encode(false) | | 
|  | 896         Bootstrapper::FixupFlagsUseCodeObject::encode(true);; | 
| 895     Unresolved entry = { pc_offset() - sizeof(int32_t), flags, name }; | 897     Unresolved entry = { pc_offset() - sizeof(int32_t), flags, name }; | 
| 896     unresolved_.Add(entry); | 898     unresolved_.Add(entry); | 
| 897   } | 899   } | 
| 898   add(Operand(target), Immediate(Code::kHeaderSize - kHeapObjectTag)); | 900   add(Operand(target), Immediate(Code::kHeaderSize - kHeapObjectTag)); | 
| 899 } | 901 } | 
| 900 | 902 | 
| 901 | 903 | 
| 902 Handle<Code> MacroAssembler::ResolveBuiltin(Builtins::JavaScript id, | 904 Handle<Code> MacroAssembler::ResolveBuiltin(Builtins::JavaScript id, | 
| 903                                             bool* resolved) { | 905                                             bool* resolved) { | 
| 904   // Move the builtin function into the temporary function slot by | 906   // Move the builtin function into the temporary function slot by | 
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| 1005   // Indicate that code has changed. | 1007   // Indicate that code has changed. | 
| 1006   CPU::FlushICache(address_, size_); | 1008   CPU::FlushICache(address_, size_); | 
| 1007 | 1009 | 
| 1008   // Check that the code was patched as expected. | 1010   // Check that the code was patched as expected. | 
| 1009   ASSERT(masm_.pc_ == address_ + size_); | 1011   ASSERT(masm_.pc_ == address_ + size_); | 
| 1010   ASSERT(masm_.reloc_info_writer.pos() == address_ + size_ + Assembler::kGap); | 1012   ASSERT(masm_.reloc_info_writer.pos() == address_ + size_ + Assembler::kGap); | 
| 1011 } | 1013 } | 
| 1012 | 1014 | 
| 1013 | 1015 | 
| 1014 } }  // namespace v8::internal | 1016 } }  // namespace v8::internal | 
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