1//===-- wrappers_c.h --------------------------------------------*- C++ -*-===// 2// 3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4// See https://llvm.org/LICENSE.txt for license information. 5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6// 7//===----------------------------------------------------------------------===// 8 9#ifndef SCUDO_WRAPPERS_C_H_ 10#define SCUDO_WRAPPERS_C_H_ 11 12#include "platform.h" 13#include "stats.h" 14 15// Bionic's struct mallinfo consists of size_t (mallinfo(3) uses int). 16#if SCUDO_ANDROID 17typedef size_t __scudo_mallinfo_data_t; 18#else 19typedef int __scudo_mallinfo_data_t; 20#endif 21 22struct __scudo_mallinfo { 23 __scudo_mallinfo_data_t arena; 24 __scudo_mallinfo_data_t ordblks; 25 __scudo_mallinfo_data_t smblks; 26 __scudo_mallinfo_data_t hblks; 27 __scudo_mallinfo_data_t hblkhd; 28 __scudo_mallinfo_data_t usmblks; 29 __scudo_mallinfo_data_t fsmblks; 30 __scudo_mallinfo_data_t uordblks; 31 __scudo_mallinfo_data_t fordblks; 32 __scudo_mallinfo_data_t keepcost; 33}; 34 35struct __scudo_mallinfo2 { 36 size_t arena; 37 size_t ordblks; 38 size_t smblks; 39 size_t hblks; 40 size_t hblkhd; 41 size_t usmblks; 42 size_t fsmblks; 43 size_t uordblks; 44 size_t fordblks; 45 size_t keepcost; 46}; 47 48// Android sometimes includes malloc.h no matter what, which yields to 49// conflicting return types for mallinfo() if we use our own structure. So if 50// struct mallinfo is declared (#define courtesy of malloc.h), use it directly. 51#if STRUCT_MALLINFO_DECLARED 52#define SCUDO_MALLINFO mallinfo 53#else 54#define SCUDO_MALLINFO __scudo_mallinfo 55#endif 56 57#if !SCUDO_ANDROID || !_BIONIC 58extern "C" void malloc_postinit(); 59extern HIDDEN scudo::Allocator<scudo::Config, malloc_postinit> Allocator; 60#endif 61 62#endif // SCUDO_WRAPPERS_C_H_ 63