Modularised the malloc/free stuff into two modules: m_mallocfree for the
malloc/free implementation, and m_replacemalloc with the stuff for the tools
that replace malloc with their own version. Previously these two areas of
functionality were mixed up somewhat.
git-svn-id: svn://svn.valgrind.org/valgrind/trunk@3648 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/include/pub_tool_replacemalloc.h b/include/pub_tool_replacemalloc.h
new file mode 100644
index 0000000..250bba8
--- /dev/null
+++ b/include/pub_tool_replacemalloc.h
@@ -0,0 +1,67 @@
+
+/*--------------------------------------------------------------------*/
+/*--- Malloc replacement. pub_tool_replacemalloc.h ---*/
+/*--------------------------------------------------------------------*/
+
+/*
+ This file is part of Valgrind, a dynamic binary instrumentation
+ framework.
+
+ Copyright (C) 2000-2005 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 );
+
+/* 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 );
+extern void VG_(replacement_malloc_print_usage) ( void );
+extern void VG_(replacement_malloc_print_debug_usage) ( void );
+
+#endif // __PUB_TOOL_REPLACEMALLOC_H
+
+/*--------------------------------------------------------------------*/
+/*--- end ---*/
+/*--------------------------------------------------------------------*/