84 lines
3.5 KiB
C
84 lines
3.5 KiB
C
/*
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#pragma once
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#include <stdlib.h>
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#include <folly/Portability.h>
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extern "C" {
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#if FOLLY_HAVE_WEAK_SYMBOLS
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#if !defined(__FreeBSD__)
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void* mallocx(size_t, int) __attribute__((__nothrow__, __weak__));
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void* rallocx(void*, size_t, int) __attribute__((__nothrow__, __weak__));
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size_t xallocx(void*, size_t, size_t, int)
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__attribute__((__nothrow__, __weak__));
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size_t sallocx(const void*, int) __attribute__((__nothrow__, __weak__));
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void dallocx(void*, int) __attribute__((__nothrow__, __weak__));
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void sdallocx(void*, size_t, int) __attribute__((__nothrow__, __weak__));
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size_t nallocx(size_t, int) __attribute__((__nothrow__, __weak__));
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int mallctl(const char*, void*, size_t*, void*, size_t)
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__attribute__((__nothrow__, __weak__));
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int mallctlnametomib(const char*, size_t*, size_t*)
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__attribute__((__nothrow__, __weak__));
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int mallctlbymib(const size_t*, size_t, void*, size_t*, void*, size_t)
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__attribute__((__nothrow__, __weak__));
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#endif
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#else
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extern void* (*mallocx)(size_t, int);
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extern void* (*rallocx)(void*, size_t, int);
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extern size_t (*xallocx)(void*, size_t, size_t, int);
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extern size_t (*sallocx)(const void*, int);
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extern void (*dallocx)(void*, int);
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extern void (*sdallocx)(void*, size_t, int);
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extern size_t (*nallocx)(size_t, int);
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extern int (*mallctl)(const char*, void*, size_t*, void*, size_t);
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extern int (*mallctlnametomib)(const char*, size_t*, size_t*);
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extern int (
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*mallctlbymib)(const size_t*, size_t, void*, size_t*, void*, size_t);
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#ifdef _MSC_VER
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// We emulate weak linkage for MSVC. The symbols we're
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// aliasing to are hiding in MallocImpl.cpp
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#if defined(_M_IX86)
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#pragma comment(linker, "/alternatename:_mallocx=_mallocxWeak")
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#pragma comment(linker, "/alternatename:_rallocx=_rallocxWeak")
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#pragma comment(linker, "/alternatename:_xallocx=_xallocxWeak")
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#pragma comment(linker, "/alternatename:_sallocx=_sallocxWeak")
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#pragma comment(linker, "/alternatename:_dallocx=_dallocxWeak")
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#pragma comment(linker, "/alternatename:_sdallocx=_sdallocxWeak")
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#pragma comment(linker, "/alternatename:_nallocx=_nallocxWeak")
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#pragma comment(linker, "/alternatename:_mallctl=_mallctlWeak")
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#pragma comment( \
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linker, "/alternatename:_mallctlnametomib=_mallctlnametomibWeak")
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#pragma comment(linker, "/alternatename:_mallctlbymib=_mallctlbymibWeak")
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#else
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#pragma comment(linker, "/alternatename:mallocx=mallocxWeak")
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#pragma comment(linker, "/alternatename:rallocx=rallocxWeak")
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#pragma comment(linker, "/alternatename:xallocx=xallocxWeak")
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#pragma comment(linker, "/alternatename:sallocx=sallocxWeak")
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#pragma comment(linker, "/alternatename:dallocx=dallocxWeak")
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#pragma comment(linker, "/alternatename:sdallocx=sdallocxWeak")
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#pragma comment(linker, "/alternatename:nallocx=nallocxWeak")
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#pragma comment(linker, "/alternatename:mallctl=mallctlWeak")
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#pragma comment(linker, "/alternatename:mallctlnametomib=mallctlnametomibWeak")
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#pragma comment(linker, "/alternatename:mallctlbymib=mallctlbymibWeak")
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#endif
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#endif
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#endif
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}
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