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75 lines
2.2 KiB
C++
75 lines
2.2 KiB
C++
//===--- Heap.cpp - Swift Language Heap Logic -----------------------------===//
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//
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// This source file is part of the Swift.org open source project
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//
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// Copyright (c) 2014 - 2015 Apple Inc. and the Swift project authors
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// Licensed under Apache License v2.0 with Runtime Library Exception
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//
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// See http://swift.org/LICENSE.txt for license information
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// See http://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
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//
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//===----------------------------------------------------------------------===//
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//
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// Implementations of the Swift heap
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//
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//===----------------------------------------------------------------------===//
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#include "swift/Runtime/Heap.h"
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#include <stdlib.h>
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__attribute__((visibility("hidden")))
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malloc_zone_t _swift_zone = {
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NULL, // ignore -- for CF
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NULL, // ignore -- for CF
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swift::_swift_zone_size,
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swift::_swift_zone_malloc,
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swift::_swift_zone_calloc,
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swift::_swift_zone_valloc,
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swift::_swift_zone_free,
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swift::_swift_zone_realloc,
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swift::_swift_zone_destroy,
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"SwiftZone", // name
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NULL, // optional batch malloc
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NULL, // optional batch free
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NULL, // FIXME -- struct malloc_introspection_t *
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0, // version
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NULL, // XXX -- add support for memalign and free_definite_size?
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};
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size_t swift::_swift_zone_size(malloc_zone_t *zone, const void *pointer) {
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auto z = malloc_default_zone();
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return z->size(z, pointer);
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}
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void *swift::_swift_zone_malloc(malloc_zone_t *zone, size_t size) {
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auto z = malloc_default_zone();
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return z->malloc(z, size);
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}
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void *swift::_swift_zone_calloc(malloc_zone_t *zone,
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size_t count, size_t size) {
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auto z = malloc_default_zone();
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return z->calloc(z, count, size);
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}
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void *swift::_swift_zone_valloc(malloc_zone_t *zone, size_t size) {
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auto z = malloc_default_zone();
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return z->valloc(z, size);
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}
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void swift::_swift_zone_free(malloc_zone_t *zone, void *pointer) {
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auto z = malloc_default_zone();
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return z->free(z, pointer);
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}
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void *swift::_swift_zone_realloc(malloc_zone_t *zone,
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void *pointer, size_t size) {
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auto z = malloc_default_zone();
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return z->realloc(z, pointer, size);
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}
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void swift::_swift_zone_destroy(malloc_zone_t *zone) {
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// nobody should ever destroy this zone
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abort();
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}
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