/*

* Copyright (C) 2020-2021 Apple Inc. All rights reserved.

*

* Redistribution and use in source and binary forms, with or without

* modification, are permitted provided that the following conditions

* are met:

* 1. Redistributions of source code must retain the above copyright

* notice, this list of conditions and the following disclaimer.

* 2. Redistributions in binary form must reproduce the above copyright

* notice, this list of conditions and the following disclaimer in the

* documentation and/or other materials provided with the distribution.

*

* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY

* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR

* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR

* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,

* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,

* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR

* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY

* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

*/

#include "IsoHeap.h"

#if BUSE(LIBPAS)

#ifndef PAS_BMALLOC

#define PAS_BMALLOC 1

#endif

#include "bmalloc_heap_inlines.h"

#include "IsoMallocFallback.h"

namespace bmalloc { namespace api {

void* isoAllocate(pas_heap_ref& heapRef)

{

// FIXME: libpas should know how to do the fallback thing.

// https://bugs.webkit.org/show_bug.cgi?id=227177

if (IsoMallocFallback::shouldTryToFallBack()) {

IsoMallocFallback::MallocResult result = IsoMallocFallback::tryMalloc(

pas_simple_type_size(reinterpret_cast<pas_simple_type>(heapRef.type)));

if (result.didFallBack) {

RELEASE_BASSERT(result.ptr);

return result.ptr;

}

}

return bmalloc_iso_allocate_inline(&heapRef);

}

void* isoTryAllocate(pas_heap_ref& heapRef)

{

if (IsoMallocFallback::shouldTryToFallBack()) {

IsoMallocFallback::MallocResult result = IsoMallocFallback::tryMalloc(

pas_simple_type_size(reinterpret_cast<pas_simple_type>(heapRef.type)));

if (result.didFallBack)

return result.ptr;

}

return bmalloc_try_iso_allocate_inline(&heapRef);

}

void isoDeallocate(void* ptr)

{

if (IsoMallocFallback::shouldTryToFallBack()

&& IsoMallocFallback::tryFree(ptr))

return;

bmalloc_deallocate_inline(ptr);

}

} } // namespace bmalloc::api

#endif // BUSE(LIBPAS)