darling-bmalloc/bmalloc/mbmalloc.cpp
2023-04-27 08:59:12 -07:00

88 lines
2.6 KiB
C++

/*
* Copyright (C) 2014-2020 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 "bmalloc.h"
#include "BExport.h"
#include "GigacageConfig.h"
#if BENABLE(UNIFIED_AND_FREEZABLE_CONFIG_RECORD)
namespace WebConfig {
// FIXME: Other than OS(DARWIN) || PLATFORM(PLAYSTATION), CeilingOnPageSize is
// not 16K. ConfigAlignment should match that.
constexpr size_t ConfigAlignment = 16 * bmalloc::Sizes::kB;
constexpr size_t ConfigSizeToProtect = 16 * bmalloc::Sizes::kB;
alignas(ConfigAlignment) BEXPORT Slot g_config[ConfigSizeToProtect / sizeof(Slot)];
} // namespace WebConfig
#else // !BENABLE(UNIFIED_AND_FREEZABLE_CONFIG_RECORD)
namespace Gigacage {
Config g_gigacageConfig;
} // namespace Gigacage
#endif // BENABLE(UNIFIED_AND_FREEZABLE_CONFIG_RECORD)
extern "C" {
BEXPORT void* mbmalloc(size_t);
BEXPORT void* mbmemalign(size_t, size_t);
BEXPORT void mbfree(void*, size_t);
BEXPORT void* mbrealloc(void*, size_t, size_t);
BEXPORT void mbscavenge();
void* mbmalloc(size_t size)
{
return bmalloc::api::malloc(size);
}
void* mbmemalign(size_t alignment, size_t size)
{
return bmalloc::api::memalign(alignment, size);
}
void mbfree(void* p, size_t)
{
bmalloc::api::free(p);
}
void* mbrealloc(void* p, size_t, size_t size)
{
return bmalloc::api::realloc(p, size);
}
void mbscavenge()
{
bmalloc::api::scavenge();
}
} // extern "C"