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1 // Copyright 2009 the V8 project authors. All rights reserved. | 1 // Copyright 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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356 bool resolved; | 356 bool resolved; |
357 Handle<Code> code = ResolveBuiltin(id, &resolved); | 357 Handle<Code> code = ResolveBuiltin(id, &resolved); |
358 | 358 |
359 const char* name = Builtins::GetName(id); | 359 const char* name = Builtins::GetName(id); |
360 int argc = Builtins::GetArgumentsCount(id); | 360 int argc = Builtins::GetArgumentsCount(id); |
361 | 361 |
362 movq(target, code, RelocInfo::EMBEDDED_OBJECT); | 362 movq(target, code, RelocInfo::EMBEDDED_OBJECT); |
363 if (!resolved) { | 363 if (!resolved) { |
364 uint32_t flags = | 364 uint32_t flags = |
365 Bootstrapper::FixupFlagsArgumentsCount::encode(argc) | | 365 Bootstrapper::FixupFlagsArgumentsCount::encode(argc) | |
366 Bootstrapper::FixupFlagsIsPCRelative::encode(false) | | |
367 Bootstrapper::FixupFlagsUseCodeObject::encode(true); | 366 Bootstrapper::FixupFlagsUseCodeObject::encode(true); |
368 Unresolved entry = { pc_offset() - sizeof(intptr_t), flags, name }; | 367 Unresolved entry = { pc_offset() - sizeof(intptr_t), flags, name }; |
369 unresolved_.Add(entry); | 368 unresolved_.Add(entry); |
370 } | 369 } |
371 addq(target, Immediate(Code::kHeaderSize - kHeapObjectTag)); | 370 addq(target, Immediate(Code::kHeaderSize - kHeapObjectTag)); |
372 } | 371 } |
373 | 372 |
374 | 373 |
375 Handle<Code> MacroAssembler::ResolveBuiltin(Builtins::JavaScript id, | 374 Handle<Code> MacroAssembler::ResolveBuiltin(Builtins::JavaScript id, |
376 bool* resolved) { | 375 bool* resolved) { |
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1549 InvokeCode(Handle<Code>(code), expected, expected, | 1548 InvokeCode(Handle<Code>(code), expected, expected, |
1550 RelocInfo::CODE_TARGET, flag); | 1549 RelocInfo::CODE_TARGET, flag); |
1551 | 1550 |
1552 const char* name = Builtins::GetName(id); | 1551 const char* name = Builtins::GetName(id); |
1553 int argc = Builtins::GetArgumentsCount(id); | 1552 int argc = Builtins::GetArgumentsCount(id); |
1554 // The target address for the jump is stored as an immediate at offset | 1553 // The target address for the jump is stored as an immediate at offset |
1555 // kInvokeCodeAddressOffset. | 1554 // kInvokeCodeAddressOffset. |
1556 if (!resolved) { | 1555 if (!resolved) { |
1557 uint32_t flags = | 1556 uint32_t flags = |
1558 Bootstrapper::FixupFlagsArgumentsCount::encode(argc) | | 1557 Bootstrapper::FixupFlagsArgumentsCount::encode(argc) | |
1559 Bootstrapper::FixupFlagsIsPCRelative::encode(true) | | |
1560 Bootstrapper::FixupFlagsUseCodeObject::encode(false); | 1558 Bootstrapper::FixupFlagsUseCodeObject::encode(false); |
1561 Unresolved entry = | 1559 Unresolved entry = |
1562 { pc_offset() - kCallTargetAddressOffset, flags, name }; | 1560 { pc_offset() - kCallTargetAddressOffset, flags, name }; |
1563 unresolved_.Add(entry); | 1561 unresolved_.Add(entry); |
1564 } | 1562 } |
1565 } | 1563 } |
1566 | 1564 |
1567 | 1565 |
1568 void MacroAssembler::InvokePrologue(const ParameterCount& expected, | 1566 void MacroAssembler::InvokePrologue(const ParameterCount& expected, |
1569 const ParameterCount& actual, | 1567 const ParameterCount& actual, |
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2157 // Indicate that code has changed. | 2155 // Indicate that code has changed. |
2158 CPU::FlushICache(address_, size_); | 2156 CPU::FlushICache(address_, size_); |
2159 | 2157 |
2160 // Check that the code was patched as expected. | 2158 // Check that the code was patched as expected. |
2161 ASSERT(masm_.pc_ == address_ + size_); | 2159 ASSERT(masm_.pc_ == address_ + size_); |
2162 ASSERT(masm_.reloc_info_writer.pos() == address_ + size_ + Assembler::kGap); | 2160 ASSERT(masm_.reloc_info_writer.pos() == address_ + size_ + Assembler::kGap); |
2163 } | 2161 } |
2164 | 2162 |
2165 | 2163 |
2166 } } // namespace v8::internal | 2164 } } // namespace v8::internal |
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