1 2 /*--------------------------------------------------------------------*/ 3 /*--- MallocFree: high-level memory management. ---*/ 4 /*--- pub_tool_mallocfree.h ---*/ 5 /*--------------------------------------------------------------------*/ 6 7 /* 8 This file is part of Valgrind, a dynamic binary instrumentation 9 framework. 10 11 Copyright (C) 2000-2010 Julian Seward 12 jseward@acm.org 13 14 This program is free software; you can redistribute it and/or 15 modify it under the terms of the GNU General Public License as 16 published by the Free Software Foundation; either version 2 of the 17 License, or (at your option) any later version. 18 19 This program is distributed in the hope that it will be useful, but 20 WITHOUT ANY WARRANTY; without even the implied warranty of 21 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 22 General Public License for more details. 23 24 You should have received a copy of the GNU General Public License 25 along with this program; if not, write to the Free Software 26 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 27 02111-1307, USA. 28 29 The GNU General Public License is contained in the file COPYING. 30 */ 31 32 #ifndef __PUB_TOOL_MALLOCFREE_H 33 #define __PUB_TOOL_MALLOCFREE_H 34 35 // These can be for allocating memory used by tools. 36 // Nb: the allocators *always succeed* -- they never return NULL (Valgrind 37 // will abort if they can't allocate the memory). 38 // The 'cc' is a string that identifies the allocation point. It's used when 39 // --profile-heap=yes is specified. 40 extern void* VG_(malloc) ( HChar* cc, SizeT nbytes ); 41 extern void VG_(free) ( void* p ); 42 extern void* VG_(calloc) ( HChar* cc, SizeT n, SizeT bytes_per_elem ); 43 extern void* VG_(realloc) ( HChar* cc, void* p, SizeT size ); 44 extern Char* VG_(strdup) ( HChar* cc, const Char* s ); 45 46 // Returns the usable size of a heap-block. It's the asked-for size plus 47 // possibly some more due to rounding up. 48 extern SizeT VG_(malloc_usable_size)( void* p ); 49 50 // TODO: move somewhere else 51 // Call here to bomb the system when out of memory (mmap anon fails) 52 __attribute__((noreturn)) 53 extern void VG_(out_of_memory_NORETURN) ( HChar* who, SizeT szB ); 54 55 #endif // __PUB_TOOL_MALLOCFREE_H 56 57 /*--------------------------------------------------------------------*/ 58 /*--- end ---*/ 59 /*--------------------------------------------------------------------*/ 60 61