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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 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 // |
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788 // fixup_pos. | 788 // fixup_pos. |
789 Instr instr = instr_at(fixup_pos); | 789 Instr instr = instr_at(fixup_pos); |
790 if (is_internal) { | 790 if (is_internal) { |
791 target_at_put(fixup_pos, pos, is_internal); | 791 target_at_put(fixup_pos, pos, is_internal); |
792 } else if (!is_internal && IsBranch(instr)) { | 792 } else if (!is_internal && IsBranch(instr)) { |
793 if (dist > kMaxBranchOffset) { | 793 if (dist > kMaxBranchOffset) { |
794 if (trampoline_pos == kInvalidSlotPos) { | 794 if (trampoline_pos == kInvalidSlotPos) { |
795 trampoline_pos = get_trampoline_entry(fixup_pos); | 795 trampoline_pos = get_trampoline_entry(fixup_pos); |
796 CHECK(trampoline_pos != kInvalidSlotPos); | 796 CHECK(trampoline_pos != kInvalidSlotPos); |
797 } | 797 } |
798 DCHECK((trampoline_pos - fixup_pos) <= kMaxBranchOffset); | 798 CHECK((trampoline_pos - fixup_pos) <= kMaxBranchOffset); |
799 target_at_put(fixup_pos, trampoline_pos, false); | 799 target_at_put(fixup_pos, trampoline_pos, false); |
800 fixup_pos = trampoline_pos; | 800 fixup_pos = trampoline_pos; |
801 dist = pos - fixup_pos; | 801 dist = pos - fixup_pos; |
802 } | 802 } |
803 target_at_put(fixup_pos, pos, false); | 803 target_at_put(fixup_pos, pos, false); |
804 } else { | 804 } else { |
805 target_at_put(fixup_pos, pos, false); | 805 target_at_put(fixup_pos, pos, false); |
806 } | 806 } |
807 } | 807 } |
808 L->bind_to(pos); | 808 L->bind_to(pos); |
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2627 ClearRecordedAstId(); | 2627 ClearRecordedAstId(); |
2628 reloc_info_writer.Write(&reloc_info_with_ast_id); | 2628 reloc_info_writer.Write(&reloc_info_with_ast_id); |
2629 } else { | 2629 } else { |
2630 reloc_info_writer.Write(&rinfo); | 2630 reloc_info_writer.Write(&rinfo); |
2631 } | 2631 } |
2632 } | 2632 } |
2633 } | 2633 } |
2634 | 2634 |
2635 | 2635 |
2636 void Assembler::BlockTrampolinePoolFor(int instructions) { | 2636 void Assembler::BlockTrampolinePoolFor(int instructions) { |
| 2637 CheckTrampolinePoolQuick(instructions); |
2637 BlockTrampolinePoolBefore(pc_offset() + instructions * kInstrSize); | 2638 BlockTrampolinePoolBefore(pc_offset() + instructions * kInstrSize); |
2638 } | 2639 } |
2639 | 2640 |
2640 | 2641 |
2641 void Assembler::CheckTrampolinePool() { | 2642 void Assembler::CheckTrampolinePool() { |
2642 // Some small sequences of instructions must not be broken up by the | 2643 // Some small sequences of instructions must not be broken up by the |
2643 // insertion of a trampoline pool; such sequences are protected by setting | 2644 // insertion of a trampoline pool; such sequences are protected by setting |
2644 // either trampoline_pool_blocked_nesting_ or no_trampoline_pool_before_, | 2645 // either trampoline_pool_blocked_nesting_ or no_trampoline_pool_before_, |
2645 // which are both checked here. Also, recursive calls to CheckTrampolinePool | 2646 // which are both checked here. Also, recursive calls to CheckTrampolinePool |
2646 // are blocked by trampoline_pool_blocked_nesting_. | 2647 // are blocked by trampoline_pool_blocked_nesting_. |
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2884 void Assembler::PopulateConstantPool(ConstantPoolArray* constant_pool) { | 2885 void Assembler::PopulateConstantPool(ConstantPoolArray* constant_pool) { |
2885 // No out-of-line constant pool support. | 2886 // No out-of-line constant pool support. |
2886 DCHECK(!FLAG_enable_ool_constant_pool); | 2887 DCHECK(!FLAG_enable_ool_constant_pool); |
2887 return; | 2888 return; |
2888 } | 2889 } |
2889 | 2890 |
2890 | 2891 |
2891 } } // namespace v8::internal | 2892 } } // namespace v8::internal |
2892 | 2893 |
2893 #endif // V8_TARGET_ARCH_MIPS | 2894 #endif // V8_TARGET_ARCH_MIPS |
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