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1 // Copyright (c) 1994-2006 Sun Microsystems Inc. | 1 // Copyright (c) 1994-2006 Sun Microsystems Inc. |
2 // All Rights Reserved. | 2 // All Rights Reserved. |
3 // | 3 // |
4 // Redistribution and use in source and binary forms, with or without | 4 // Redistribution and use in source and binary forms, with or without |
5 // modification, are permitted provided that the following conditions | 5 // modification, are permitted provided that the following conditions |
6 // are met: | 6 // are met: |
7 // | 7 // |
8 // - Redistributions of source code must retain the above copyright notice, | 8 // - Redistributions of source code must retain the above copyright notice, |
9 // this list of conditions and the following disclaimer. | 9 // this list of conditions and the following disclaimer. |
10 // | 10 // |
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308 // Setup buffer pointers. | 308 // Setup buffer pointers. |
309 ASSERT(buffer_ != NULL); | 309 ASSERT(buffer_ != NULL); |
310 pc_ = buffer_; | 310 pc_ = buffer_; |
311 reloc_info_writer.Reposition(buffer_ + buffer_size, pc_); | 311 reloc_info_writer.Reposition(buffer_ + buffer_size, pc_); |
312 num_prinfo_ = 0; | 312 num_prinfo_ = 0; |
313 next_buffer_check_ = 0; | 313 next_buffer_check_ = 0; |
314 const_pool_blocked_nesting_ = 0; | 314 const_pool_blocked_nesting_ = 0; |
315 no_const_pool_before_ = 0; | 315 no_const_pool_before_ = 0; |
316 last_const_pool_end_ = 0; | 316 last_const_pool_end_ = 0; |
317 last_bound_pos_ = 0; | 317 last_bound_pos_ = 0; |
318 ast_id_for_reloc_info_ = kNoASTId; | |
319 } | 318 } |
320 | 319 |
321 | 320 |
322 Assembler::~Assembler() { | 321 Assembler::~Assembler() { |
323 ASSERT(const_pool_blocked_nesting_ == 0); | 322 ASSERT(const_pool_blocked_nesting_ == 0); |
324 if (own_buffer_) { | 323 if (own_buffer_) { |
325 if (isolate()->assembler_spare_buffer() == NULL && | 324 if (isolate()->assembler_spare_buffer() == NULL && |
326 buffer_size_ == kMinimalBufferSize) { | 325 buffer_size_ == kMinimalBufferSize) { |
327 isolate()->set_assembler_spare_buffer(buffer_); | 326 isolate()->set_assembler_spare_buffer(buffer_); |
328 } else { | 327 } else { |
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2716 #ifdef DEBUG | 2715 #ifdef DEBUG |
2717 if (!Serializer::enabled()) { | 2716 if (!Serializer::enabled()) { |
2718 Serializer::TooLateToEnableNow(); | 2717 Serializer::TooLateToEnableNow(); |
2719 } | 2718 } |
2720 #endif | 2719 #endif |
2721 if (!Serializer::enabled() && !emit_debug_code()) { | 2720 if (!Serializer::enabled() && !emit_debug_code()) { |
2722 return; | 2721 return; |
2723 } | 2722 } |
2724 } | 2723 } |
2725 ASSERT(buffer_space() >= kMaxRelocSize); // too late to grow buffer here | 2724 ASSERT(buffer_space() >= kMaxRelocSize); // too late to grow buffer here |
2726 if (rmode == RelocInfo::CODE_TARGET_WITH_ID) { | 2725 reloc_info_writer.Write(&rinfo); |
2727 ASSERT(ast_id_for_reloc_info_ != kNoASTId); | |
2728 RelocInfo reloc_info_with_ast_id(pc_, rmode, ast_id_for_reloc_info_); | |
2729 ast_id_for_reloc_info_ = kNoASTId; | |
2730 reloc_info_writer.Write(&reloc_info_with_ast_id); | |
2731 } else { | |
2732 reloc_info_writer.Write(&rinfo); | |
2733 } | |
2734 } | 2726 } |
2735 } | 2727 } |
2736 | 2728 |
2737 | 2729 |
2738 void Assembler::CheckConstPool(bool force_emit, bool require_jump) { | 2730 void Assembler::CheckConstPool(bool force_emit, bool require_jump) { |
2739 // Calculate the offset of the next check. It will be overwritten | 2731 // Calculate the offset of the next check. It will be overwritten |
2740 // when a const pool is generated or when const pools are being | 2732 // when a const pool is generated or when const pools are being |
2741 // blocked for a specific range. | 2733 // blocked for a specific range. |
2742 next_buffer_check_ = pc_offset() + kCheckConstInterval; | 2734 next_buffer_check_ = pc_offset() + kCheckConstInterval; |
2743 | 2735 |
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2839 | 2831 |
2840 // Since a constant pool was just emitted, move the check offset forward by | 2832 // Since a constant pool was just emitted, move the check offset forward by |
2841 // the standard interval. | 2833 // the standard interval. |
2842 next_buffer_check_ = pc_offset() + kCheckConstInterval; | 2834 next_buffer_check_ = pc_offset() + kCheckConstInterval; |
2843 } | 2835 } |
2844 | 2836 |
2845 | 2837 |
2846 } } // namespace v8::internal | 2838 } } // namespace v8::internal |
2847 | 2839 |
2848 #endif // V8_TARGET_ARCH_ARM | 2840 #endif // V8_TARGET_ARCH_ARM |
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