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Issue 23708030: Get rid of most uses of 'Temporary macro' HEAP (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: nits Created 7 years, 3 months ago
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1 // Copyright 2012 the V8 project authors. All rights reserved. 1 // Copyright 2012 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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389 // Compute new buffer size. 389 // Compute new buffer size.
390 CodeDesc desc; // the new buffer 390 CodeDesc desc; // the new buffer
391 if (buffer_size_ < 4*KB) { 391 if (buffer_size_ < 4*KB) {
392 desc.buffer_size = 4*KB; 392 desc.buffer_size = 4*KB;
393 } else { 393 } else {
394 desc.buffer_size = 2*buffer_size_; 394 desc.buffer_size = 2*buffer_size_;
395 } 395 }
396 // Some internal data structures overflow for very large buffers, 396 // Some internal data structures overflow for very large buffers,
397 // they must ensure that kMaximalBufferSize is not too large. 397 // they must ensure that kMaximalBufferSize is not too large.
398 if ((desc.buffer_size > kMaximalBufferSize) || 398 if ((desc.buffer_size > kMaximalBufferSize) ||
399 (desc.buffer_size > HEAP->MaxOldGenerationSize())) { 399 (desc.buffer_size > isolate()->heap()->MaxOldGenerationSize())) {
400 V8::FatalProcessOutOfMemory("Assembler::GrowBuffer"); 400 V8::FatalProcessOutOfMemory("Assembler::GrowBuffer");
401 } 401 }
402 402
403 // Set up new buffer. 403 // Set up new buffer.
404 desc.buffer = NewArray<byte>(desc.buffer_size); 404 desc.buffer = NewArray<byte>(desc.buffer_size);
405 desc.instr_size = pc_offset(); 405 desc.instr_size = pc_offset();
406 desc.reloc_size = 406 desc.reloc_size =
407 static_cast<int>((buffer_ + buffer_size_) - (reloc_info_writer.pos())); 407 static_cast<int>((buffer_ + buffer_size_) - (reloc_info_writer.pos()));
408 408
409 // Clear the buffer in debug mode. Use 'int3' instructions to make 409 // Clear the buffer in debug mode. Use 'int3' instructions to make
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1526 // If there is no relocation info, emit the value of the handle efficiently 1526 // If there is no relocation info, emit the value of the handle efficiently
1527 // (possibly using less that 8 bytes for the value). 1527 // (possibly using less that 8 bytes for the value).
1528 if (RelocInfo::IsNone(mode)) { 1528 if (RelocInfo::IsNone(mode)) {
1529 // There is no possible reason to store a heap pointer without relocation 1529 // There is no possible reason to store a heap pointer without relocation
1530 // info, so it must be a smi. 1530 // info, so it must be a smi.
1531 ASSERT(value->IsSmi()); 1531 ASSERT(value->IsSmi());
1532 movq(dst, reinterpret_cast<int64_t>(*value), RelocInfo::NONE64); 1532 movq(dst, reinterpret_cast<int64_t>(*value), RelocInfo::NONE64);
1533 } else { 1533 } else {
1534 EnsureSpace ensure_space(this); 1534 EnsureSpace ensure_space(this);
1535 ASSERT(value->IsHeapObject()); 1535 ASSERT(value->IsHeapObject());
1536 ASSERT(!HEAP->InNewSpace(*value)); 1536 ASSERT(!isolate()->heap()->InNewSpace(*value));
1537 emit_rex_64(dst); 1537 emit_rex_64(dst);
1538 emit(0xB8 | dst.low_bits()); 1538 emit(0xB8 | dst.low_bits());
1539 emitp(value.location(), mode); 1539 emitp(value.location(), mode);
1540 } 1540 }
1541 } 1541 }
1542 1542
1543 1543
1544 void Assembler::movsxbq(Register dst, const Operand& src) { 1544 void Assembler::movsxbq(Register dst, const Operand& src) {
1545 EnsureSpace ensure_space(this); 1545 EnsureSpace ensure_space(this);
1546 emit_rex_64(dst, src); 1546 emit_rex_64(dst, src);
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3047 bool RelocInfo::IsCodedSpecially() { 3047 bool RelocInfo::IsCodedSpecially() {
3048 // The deserializer needs to know whether a pointer is specially coded. Being 3048 // The deserializer needs to know whether a pointer is specially coded. Being
3049 // specially coded on x64 means that it is a relative 32 bit address, as used 3049 // specially coded on x64 means that it is a relative 32 bit address, as used
3050 // by branch instructions. 3050 // by branch instructions.
3051 return (1 << rmode_) & kApplyMask; 3051 return (1 << rmode_) & kApplyMask;
3052 } 3052 }
3053 3053
3054 } } // namespace v8::internal 3054 } } // namespace v8::internal
3055 3055
3056 #endif // V8_TARGET_ARCH_X64 3056 #endif // V8_TARGET_ARCH_X64
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