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/coregrind/pub_core_mallocfree.h b/coregrind/pub_core_mallocfree.h
new file mode 100644
index 0000000..f6d0ea1
--- /dev/null
+++ b/coregrind/pub_core_mallocfree.h
@@ -0,0 +1,93 @@
+
+/*--------------------------------------------------------------------*/
+/*--- High-level memory management. pub_core_mallocfree.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_CORE_MALLOCFREE_H
+#define __PUB_CORE_MALLOCFREE_H
+
+#include "pub_tool_mallocfree.h"
+
+//--------------------------------------------------------------------
+// PURPOSE: high-level memory allocation (malloc/free), for the core and
+// tools.
+//--------------------------------------------------------------------
+
+/* Allocation arenas.
+
+ CORE for the core's general use.
+ TOOL for the tool to use (and the only one it uses).
+ SYMTAB for Valgrind's symbol table storage.
+ CLIENT for the client's mallocs/frees, if the tool replaces glibc's
+ malloc() et al -- redzone size is chosen by the tool.
+ DEMANGLE for the C++ demangler.
+ EXECTXT for storing ExeContexts.
+ ERRORS for storing CoreErrors.
+
+ When adding a new arena, remember also to add it to ensure_mm_init().
+*/
+typedef Int ArenaId;
+
+#define VG_N_ARENAS 7
+
+#define VG_AR_CORE 0
+#define VG_AR_TOOL 1
+#define VG_AR_SYMTAB 2
+#define VG_AR_CLIENT 3
+#define VG_AR_DEMANGLE 4
+#define VG_AR_EXECTXT 5
+#define VG_AR_ERRORS 6
+
+// This is both the minimum payload size of a malloc'd block, and its
+// minimum alignment. Must be a power of 2 greater than 4, and should be
+// greater than 8.
+#define VG_MIN_MALLOC_SZB 8
+
+extern void* VG_(arena_malloc) ( ArenaId arena, SizeT nbytes );
+extern void VG_(arena_free) ( ArenaId arena, void* ptr );
+extern void* VG_(arena_calloc) ( ArenaId arena,
+ SizeT nmemb, SizeT bytes_per_memb );
+extern void* VG_(arena_realloc) ( ArenaId arena, void* ptr, SizeT size );
+extern void* VG_(arena_memalign)( ArenaId aid, SizeT req_alignB,
+ SizeT req_pszB );
+
+/* Sets the size of the redzones at the start and end of heap blocks. This
+ must be called before any of VG_(malloc) and friends are called. */
+extern void VG_(set_client_malloc_redzone_szB) ( SizeT rz_szB );
+
+extern SizeT VG_(arena_payload_szB) ( ArenaId aid, void* payload );
+
+extern void VG_(sanity_check_malloc_all) ( void );
+
+extern void VG_(print_all_arena_stats) ( void );
+
+#endif // __PUB_CORE_MALLOCFREE_H
+
+/*--------------------------------------------------------------------*/
+/*--- end ---*/
+/*--------------------------------------------------------------------*/