81 lines
2.6 KiB
C++
81 lines
2.6 KiB
C++
/*
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* Copyright (C) 2020-2021 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "IsoHeap.h"
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#if BUSE(LIBPAS)
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#ifndef PAS_BMALLOC
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#define PAS_BMALLOC 1
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#endif
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#include "bmalloc_heap_inlines.h"
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#include "IsoMallocFallback.h"
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namespace bmalloc { namespace api {
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void* isoAllocate(pas_heap_ref& heapRef)
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{
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// FIXME: libpas should know how to do the fallback thing.
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// https://bugs.webkit.org/show_bug.cgi?id=227177
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if (IsoMallocFallback::shouldTryToFallBack()) {
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IsoMallocFallback::MallocResult result = IsoMallocFallback::tryMalloc(
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pas_simple_type_size(reinterpret_cast<pas_simple_type>(heapRef.type)));
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if (result.didFallBack) {
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RELEASE_BASSERT(result.ptr);
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return result.ptr;
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}
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}
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return bmalloc_iso_allocate_inline(&heapRef);
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}
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void* isoTryAllocate(pas_heap_ref& heapRef)
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{
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if (IsoMallocFallback::shouldTryToFallBack()) {
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IsoMallocFallback::MallocResult result = IsoMallocFallback::tryMalloc(
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pas_simple_type_size(reinterpret_cast<pas_simple_type>(heapRef.type)));
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if (result.didFallBack)
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return result.ptr;
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}
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return bmalloc_try_iso_allocate_inline(&heapRef);
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}
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void isoDeallocate(void* ptr)
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{
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if (IsoMallocFallback::shouldTryToFallBack()
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&& IsoMallocFallback::tryFree(ptr))
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return;
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bmalloc_deallocate_inline(ptr);
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}
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} } // namespace bmalloc::api
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#endif // BUSE(LIBPAS)
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