OLD | NEW |
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 are | 5 // modification, are permitted provided that the following conditions are |
6 // met: | 6 // 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 // |
(...skipping 272 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
283 | 283 |
284 const Instr kSwRegFpNegOffsetPattern = SW | (Register::kCode_fp << kRsShift) | | 284 const Instr kSwRegFpNegOffsetPattern = SW | (Register::kCode_fp << kRsShift) | |
285 (kNegOffset & kImm16Mask); // NOLINT | 285 (kNegOffset & kImm16Mask); // NOLINT |
286 // A mask for the Rt register for push, pop, lw, sw instructions. | 286 // A mask for the Rt register for push, pop, lw, sw instructions. |
287 const Instr kRtMask = kRtFieldMask; | 287 const Instr kRtMask = kRtFieldMask; |
288 const Instr kLwSwInstrTypeMask = 0xffe00000; | 288 const Instr kLwSwInstrTypeMask = 0xffe00000; |
289 const Instr kLwSwInstrArgumentMask = ~kLwSwInstrTypeMask; | 289 const Instr kLwSwInstrArgumentMask = ~kLwSwInstrTypeMask; |
290 const Instr kLwSwOffsetMask = kImm16Mask; | 290 const Instr kLwSwOffsetMask = kImm16Mask; |
291 | 291 |
292 Assembler::Assembler(IsolateData isolate_data, void* buffer, int buffer_size) | 292 Assembler::Assembler(IsolateData isolate_data, void* buffer, int buffer_size) |
293 : AssemblerBase(isolate_data, buffer, buffer_size), | 293 : AssemblerBase(isolate_data, buffer, buffer_size) { |
294 recorded_ast_id_(TypeFeedbackId::None()) { | |
295 reloc_info_writer.Reposition(buffer_ + buffer_size_, pc_); | 294 reloc_info_writer.Reposition(buffer_ + buffer_size_, pc_); |
296 | 295 |
297 last_trampoline_pool_end_ = 0; | 296 last_trampoline_pool_end_ = 0; |
298 no_trampoline_pool_before_ = 0; | 297 no_trampoline_pool_before_ = 0; |
299 trampoline_pool_blocked_nesting_ = 0; | 298 trampoline_pool_blocked_nesting_ = 0; |
300 // We leave space (16 * kTrampolineSlotsSize) | 299 // We leave space (16 * kTrampolineSlotsSize) |
301 // for BlockTrampolinePoolScope buffer. | 300 // for BlockTrampolinePoolScope buffer. |
302 next_buffer_check_ = FLAG_force_long_branches | 301 next_buffer_check_ = FLAG_force_long_branches |
303 ? kMaxInt : kMaxBranchOffset - kTrampolineSlotsSize * 16; | 302 ? kMaxInt : kMaxBranchOffset - kTrampolineSlotsSize * 16; |
304 internal_trampoline_exception_ = false; | 303 internal_trampoline_exception_ = false; |
305 last_bound_pos_ = 0; | 304 last_bound_pos_ = 0; |
306 | 305 |
307 trampoline_emitted_ = FLAG_force_long_branches; | 306 trampoline_emitted_ = FLAG_force_long_branches; |
308 unbound_labels_count_ = 0; | 307 unbound_labels_count_ = 0; |
309 block_buffer_growth_ = false; | 308 block_buffer_growth_ = false; |
310 | |
311 ClearRecordedAstId(); | |
312 } | 309 } |
313 | 310 |
314 void Assembler::GetCode(Isolate* isolate, CodeDesc* desc) { | 311 void Assembler::GetCode(Isolate* isolate, CodeDesc* desc) { |
315 EmitForbiddenSlotInstruction(); | 312 EmitForbiddenSlotInstruction(); |
316 DCHECK(pc_ <= reloc_info_writer.pos()); // No overlap. | 313 DCHECK(pc_ <= reloc_info_writer.pos()); // No overlap. |
317 // Set up code descriptor. | 314 // Set up code descriptor. |
318 desc->buffer = buffer_; | 315 desc->buffer = buffer_; |
319 desc->buffer_size = buffer_size_; | 316 desc->buffer_size = buffer_size_; |
320 desc->instr_size = pc_offset(); | 317 desc->instr_size = pc_offset(); |
321 desc->reloc_size = (buffer_ + buffer_size_) - reloc_info_writer.pos(); | 318 desc->reloc_size = (buffer_ + buffer_size_) - reloc_info_writer.pos(); |
(...skipping 3340 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
3662 DCHECK(RelocInfo::IsDebugBreakSlot(rmode) || RelocInfo::IsComment(rmode)); | 3659 DCHECK(RelocInfo::IsDebugBreakSlot(rmode) || RelocInfo::IsComment(rmode)); |
3663 // These modes do not need an entry in the constant pool. | 3660 // These modes do not need an entry in the constant pool. |
3664 } | 3661 } |
3665 if (!RelocInfo::IsNone(rinfo.rmode())) { | 3662 if (!RelocInfo::IsNone(rinfo.rmode())) { |
3666 // Don't record external references unless the heap will be serialized. | 3663 // Don't record external references unless the heap will be serialized. |
3667 if (rmode == RelocInfo::EXTERNAL_REFERENCE && | 3664 if (rmode == RelocInfo::EXTERNAL_REFERENCE && |
3668 !serializer_enabled() && !emit_debug_code()) { | 3665 !serializer_enabled() && !emit_debug_code()) { |
3669 return; | 3666 return; |
3670 } | 3667 } |
3671 DCHECK(buffer_space() >= kMaxRelocSize); // Too late to grow buffer here. | 3668 DCHECK(buffer_space() >= kMaxRelocSize); // Too late to grow buffer here. |
3672 if (rmode == RelocInfo::CODE_TARGET_WITH_ID) { | 3669 DCHECK(rmode != RelocInfo::CODE_TARGET_WITH_ID); |
3673 RelocInfo reloc_info_with_ast_id(pc_, rmode, RecordedAstId().ToInt(), | 3670 reloc_info_writer.Write(&rinfo); |
3674 NULL); | |
3675 ClearRecordedAstId(); | |
3676 reloc_info_writer.Write(&reloc_info_with_ast_id); | |
3677 } else { | |
3678 reloc_info_writer.Write(&rinfo); | |
3679 } | |
3680 } | 3671 } |
3681 } | 3672 } |
3682 | 3673 |
3683 | 3674 |
3684 void Assembler::BlockTrampolinePoolFor(int instructions) { | 3675 void Assembler::BlockTrampolinePoolFor(int instructions) { |
3685 CheckTrampolinePoolQuick(instructions); | 3676 CheckTrampolinePoolQuick(instructions); |
3686 BlockTrampolinePoolBefore(pc_offset() + instructions * kInstrSize); | 3677 BlockTrampolinePoolBefore(pc_offset() + instructions * kInstrSize); |
3687 } | 3678 } |
3688 | 3679 |
3689 | 3680 |
(...skipping 158 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
3848 | 3839 |
3849 if (icache_flush_mode != SKIP_ICACHE_FLUSH) { | 3840 if (icache_flush_mode != SKIP_ICACHE_FLUSH) { |
3850 Assembler::FlushICache(isolate, pc, 2 * sizeof(int32_t)); | 3841 Assembler::FlushICache(isolate, pc, 2 * sizeof(int32_t)); |
3851 } | 3842 } |
3852 } | 3843 } |
3853 | 3844 |
3854 } // namespace internal | 3845 } // namespace internal |
3855 } // namespace v8 | 3846 } // namespace v8 |
3856 | 3847 |
3857 #endif // V8_TARGET_ARCH_MIPS | 3848 #endif // V8_TARGET_ARCH_MIPS |
OLD | NEW |