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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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| 44 | 44 |
| 45 | 45 |
| 46 namespace v8 { | 46 namespace v8 { |
| 47 namespace internal { | 47 namespace internal { |
| 48 | 48 |
| 49 | 49 |
| 50 bool CpuFeatures::SupportsCrankshaft() { return true; } | 50 bool CpuFeatures::SupportsCrankshaft() { return true; } |
| 51 | 51 |
| 52 | 52 |
| 53 void RelocInfo::apply(intptr_t delta, ICacheFlushMode icache_flush_mode) { | 53 void RelocInfo::apply(intptr_t delta, ICacheFlushMode icache_flush_mode) { |
| 54 if (IsInternalReference(rmode_) || IsInternalReferenceEncoded(rmode_)) { | 54 DCHECK(IsInternalReference(rmode_) || IsInternalReferenceEncoded(rmode_)); |
| 55 // absolute code pointer inside code object moves with the code object. | 55 // absolute code pointer inside code object moves with the code object. |
| 56 Assembler::RelocateInternalReference(pc_, delta, 0, rmode_, | 56 set_target_internal_reference(target_internal_reference() + delta, |
| 57 icache_flush_mode); | 57 icache_flush_mode); |
| 58 } |
| 59 |
| 60 |
| 61 Address RelocInfo::target_internal_reference() { |
| 62 if (IsInternalReference(rmode_)) { |
| 63 // Jump table entry |
| 64 return Memory::Address_at(pc_); |
| 65 } else { |
| 66 // mov sequence |
| 67 DCHECK(IsInternalReferenceEncoded(rmode_)); |
| 68 return Assembler::target_address_at(pc_, host_); |
| 58 } | 69 } |
| 59 } | 70 } |
| 60 | 71 |
| 72 |
| 73 void RelocInfo::set_target_internal_reference( |
| 74 Address target, ICacheFlushMode icache_flush_mode) { |
| 75 if (IsInternalReference(rmode_)) { |
| 76 // Jump table entry |
| 77 Memory::Address_at(pc_) = target; |
| 78 } else { |
| 79 // mov sequence |
| 80 DCHECK(IsInternalReferenceEncoded(rmode_)); |
| 81 Assembler::set_target_address_at(pc_, host_, target, icache_flush_mode); |
| 82 } |
| 83 } |
| 84 |
| 61 | 85 |
| 62 Address RelocInfo::target_address() { | 86 Address RelocInfo::target_address() { |
| 63 DCHECK(IsCodeTarget(rmode_) || IsRuntimeEntry(rmode_)); | 87 DCHECK(IsCodeTarget(rmode_) || IsRuntimeEntry(rmode_)); |
| 64 return Assembler::target_address_at(pc_, host_); | 88 return Assembler::target_address_at(pc_, host_); |
| 65 } | 89 } |
| 66 | 90 |
| 67 | 91 |
| 68 Address RelocInfo::target_address_address() { | 92 Address RelocInfo::target_address_address() { |
| 69 DCHECK(IsCodeTarget(rmode_) || IsRuntimeEntry(rmode_) || | 93 DCHECK(IsCodeTarget(rmode_) || IsRuntimeEntry(rmode_) || |
| 70 rmode_ == EMBEDDED_OBJECT || rmode_ == EXTERNAL_REFERENCE); | 94 rmode_ == EMBEDDED_OBJECT || rmode_ == EXTERNAL_REFERENCE); |
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| 153 } | 177 } |
| 154 } | 178 } |
| 155 | 179 |
| 156 | 180 |
| 157 Address RelocInfo::target_external_reference() { | 181 Address RelocInfo::target_external_reference() { |
| 158 DCHECK(rmode_ == EXTERNAL_REFERENCE); | 182 DCHECK(rmode_ == EXTERNAL_REFERENCE); |
| 159 return Assembler::target_address_at(pc_, host_); | 183 return Assembler::target_address_at(pc_, host_); |
| 160 } | 184 } |
| 161 | 185 |
| 162 | 186 |
| 163 Address RelocInfo::target_internal_reference() { | |
| 164 DCHECK(rmode_ == INTERNAL_REFERENCE); | |
| 165 return Memory::Address_at(pc_); | |
| 166 } | |
| 167 | |
| 168 | |
| 169 void RelocInfo::set_target_internal_reference(Address target) { | |
| 170 DCHECK(rmode_ == INTERNAL_REFERENCE); | |
| 171 Memory::Address_at(pc_) = target; | |
| 172 } | |
| 173 | |
| 174 | |
| 175 Address RelocInfo::target_runtime_entry(Assembler* origin) { | 187 Address RelocInfo::target_runtime_entry(Assembler* origin) { |
| 176 DCHECK(IsRuntimeEntry(rmode_)); | 188 DCHECK(IsRuntimeEntry(rmode_)); |
| 177 return target_address(); | 189 return target_address(); |
| 178 } | 190 } |
| 179 | 191 |
| 180 | 192 |
| 181 void RelocInfo::set_target_runtime_entry(Address target, | 193 void RelocInfo::set_target_runtime_entry(Address target, |
| 182 WriteBarrierMode write_barrier_mode, | 194 WriteBarrierMode write_barrier_mode, |
| 183 ICacheFlushMode icache_flush_mode) { | 195 ICacheFlushMode icache_flush_mode) { |
| 184 DCHECK(IsRuntimeEntry(rmode_)); | 196 DCHECK(IsRuntimeEntry(rmode_)); |
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| 511 } | 523 } |
| 512 #endif | 524 #endif |
| 513 return; | 525 return; |
| 514 } | 526 } |
| 515 UNREACHABLE(); | 527 UNREACHABLE(); |
| 516 } | 528 } |
| 517 } | 529 } |
| 518 } // namespace v8::internal | 530 } // namespace v8::internal |
| 519 | 531 |
| 520 #endif // V8_PPC_ASSEMBLER_PPC_INL_H_ | 532 #endif // V8_PPC_ASSEMBLER_PPC_INL_H_ |
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