/*--------------------------------------------------------------------*/ /*--- Malloc replacement. pub_tool_replacemalloc.h ---*/ /*--------------------------------------------------------------------*/ /* This file is part of Valgrind, a dynamic binary instrumentation framework. Copyright (C) 2000-2012 Julian Seward jseward@acm.org This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. The GNU General Public License is contained in the file COPYING. */ #ifndef __PUB_TOOL_REPLACEMALLOC_H #define __PUB_TOOL_REPLACEMALLOC_H /* If a tool replaces malloc() et al, the easiest way to do so is to link libreplacemalloc_toolpreload.o into its vgpreload_*.so file, and use the functions declared below. You can do it from scratch, though, if you enjoy that sort of thing. */ /* Can be called from VG_(tdict).malloc_malloc et al to do the actual * alloc/freeing. */ extern void* VG_(cli_malloc) ( SizeT align, SizeT nbytes ); extern void VG_(cli_free) ( void* p ); /* If a tool uses deferred freeing (e.g. memcheck to catch accesses to freed memory) it can maintain number and total size of queued blocks in these variable to provide more accurate statistics about client memory usage. Currently used by mallinfo(). */ extern Long VG_(free_queue_volume); extern Long VG_(free_queue_length); /* Check if an address is within a range, allowing for redzones at edges */ extern Bool VG_(addr_is_in_block)( Addr a, Addr start, SizeT size, SizeT rz_szB ); /* ------------------------------------------------------------------ */ /* Some options that can be used by a tool if malloc() et al are replaced. The tool should call the functions in the appropriate places to give control over these aspects of Valgrind's version of malloc(). */ /* DEBUG: print malloc details? default: NO */ extern Bool VG_(clo_trace_malloc); /* Minimum alignment in functions that don't specify alignment explicitly. default: VG_MIN_MALLOC_SZB */ extern UInt VG_(clo_alignment); extern Bool VG_(replacement_malloc_process_cmd_line_option) ( Char* arg ); #endif // __PUB_TOOL_REPLACEMALLOC_H /*--------------------------------------------------------------------*/ /*--- end ---*/ /*--------------------------------------------------------------------*/