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Issue 935383002: Contribution of PowerPC port (continuation of 422063005) - PPC dir update 2 - mark2 (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Created 5 years, 10 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 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #include "src/v8.h" 5 #include "src/v8.h"
6 6
7 #include "src/accessors.h" 7 #include "src/accessors.h"
8 #include "src/api.h" 8 #include "src/api.h"
9 #include "src/base/platform/platform.h" 9 #include "src/base/platform/platform.h"
10 #include "src/bootstrapper.h" 10 #include "src/bootstrapper.h"
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892 892
893 Object* write_back_obj = obj; 893 Object* write_back_obj = obj;
894 UnalignedCopy(write_back, &write_back_obj); 894 UnalignedCopy(write_back, &write_back_obj);
895 #ifdef DEBUG 895 #ifdef DEBUG
896 if (obj->IsCode()) { 896 if (obj->IsCode()) {
897 DCHECK(space_number == CODE_SPACE || space_number == LO_SPACE); 897 DCHECK(space_number == CODE_SPACE || space_number == LO_SPACE);
898 } else { 898 } else {
899 DCHECK(space_number != CODE_SPACE); 899 DCHECK(space_number != CODE_SPACE);
900 } 900 }
901 #endif 901 #endif
902 #if V8_TARGET_ARCH_PPC && \ 902 #if V8_TARGET_ARCH_PPC
903 (ABI_USES_FUNCTION_DESCRIPTORS || V8_OOL_CONSTANT_POOL)
904 // If we're on a platform that uses function descriptors 903 // If we're on a platform that uses function descriptors
905 // these jump tables make use of RelocInfo::INTERNAL_REFERENCE. 904 // these jump tables make use of RelocInfo::INTERNAL_REFERENCE.
906 // As the V8 serialization code doesn't handle that relocation type 905 // As the V8 serialization code doesn't handle that relocation type
907 // we use this to fix up code that has function descriptors. 906 // we use this to fix up code that has function descriptors.
908 if (space_number == CODE_SPACE) { 907 if (space_number == CODE_SPACE) {
909 Code* code = reinterpret_cast<Code*>(HeapObject::FromAddress(address)); 908 Code* code = reinterpret_cast<Code*>(HeapObject::FromAddress(address));
910 for (RelocIterator it(code); !it.done(); it.next()) { 909 for (RelocIterator it(code); !it.done(); it.next()) {
911 RelocInfo::Mode rmode = it.rinfo()->rmode(); 910 RelocInfo::Mode rmode = it.rinfo()->rmode();
912 if (rmode == RelocInfo::INTERNAL_REFERENCE) { 911 if (RelocInfo::IsInternalReference(rmode) ||
912 RelocInfo::IsInternalReferenceEncoded(rmode)) {
913 Assembler::RelocateInternalReference(it.rinfo()->pc(), 0, 913 Assembler::RelocateInternalReference(it.rinfo()->pc(), 0,
914 code->instruction_start()); 914 code->instruction_start(), rmode);
915 } 915 }
916 } 916 }
917 } 917 }
918 #endif 918 #endif
919 } 919 }
920 920
921 921
922 // We know the space requirements before deserialization and can 922 // We know the space requirements before deserialization and can
923 // pre-allocate that reserved space. During deserialization, all we need 923 // pre-allocate that reserved space. During deserialization, all we need
924 // to do is to bump up the pointer for each space in the reserved 924 // to do is to bump up the pointer for each space in the reserved
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2672 DisallowHeapAllocation no_gc; 2672 DisallowHeapAllocation no_gc;
2673 SerializedCodeData* scd = new SerializedCodeData(cached_data); 2673 SerializedCodeData* scd = new SerializedCodeData(cached_data);
2674 SanityCheckResult r = scd->SanityCheck(source); 2674 SanityCheckResult r = scd->SanityCheck(source);
2675 if (r == CHECK_SUCCESS) return scd; 2675 if (r == CHECK_SUCCESS) return scd;
2676 cached_data->Reject(); 2676 cached_data->Reject();
2677 source->GetIsolate()->counters()->code_cache_reject_reason()->AddSample(r); 2677 source->GetIsolate()->counters()->code_cache_reject_reason()->AddSample(r);
2678 delete scd; 2678 delete scd;
2679 return NULL; 2679 return NULL;
2680 } 2680 }
2681 } } // namespace v8::internal 2681 } } // namespace v8::internal
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