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Diffstat (limited to 'deps/v8/src/heap/cppgc/heap-inl.h')
-rw-r--r-- | deps/v8/src/heap/cppgc/heap-inl.h | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/deps/v8/src/heap/cppgc/heap-inl.h b/deps/v8/src/heap/cppgc/heap-inl.h new file mode 100644 index 0000000000..28a4a14139 --- /dev/null +++ b/deps/v8/src/heap/cppgc/heap-inl.h @@ -0,0 +1,36 @@ +// Copyright 2020 the V8 project authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +#include "src/heap/cppgc/heap.h" + +#include "src/heap/cppgc/globals.h" +#include "src/heap/cppgc/heap-object-header-inl.h" + +#ifndef V8_HEAP_CPPGC_HEAP_INL_H_ +#define V8_HEAP_CPPGC_HEAP_INL_H_ + +namespace cppgc { +namespace internal { + +void* Heap::Allocate(size_t size, GCInfoIndex index) { + // TODO(chromium:1056170): This is merely a dummy implementation and will be + // replaced with proper allocation code throughout the migration. + size_t allocation_size = size + sizeof(HeapObjectHeader); + // The allocation size calculation can overflow for large sizes. + CHECK_GT(allocation_size, size); + // calloc() provides stricter alignment guarantees than the GC. Allocate + // a multiple of kAllocationGranularity to follow restrictions of + // HeapObjectHeader. + allocation_size = (allocation_size + kAllocationMask) & ~kAllocationMask; + void* memory = calloc(1, allocation_size); + HeapObjectHeader* header = + new (memory) HeapObjectHeader(allocation_size, index); + objects_.push_back(header); + return header->Payload(); +} + +} // namespace internal +} // namespace cppgc + +#endif // V8_HEAP_CPPGC_HEAP_INL_H_ |