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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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