Modularised assertions and panics in m_libcassert.

As part of this, killed the VG_STRINGIFY macro, which was used to expand
out names like "VG_(foo)" and "vgPlain_foo" in assertion failure
messages.  This is good since we actually want the "VG_(foo)" form used
in these messages.


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@3842

include/pub_tool_libcassert.h

@@ -0,0 +1,57 @@
+
+/*--------------------------------------------------------------------*/
+/*--- Assertions, etc.                       pub_tool_libcassert.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_LIBCBASSERT_H
+#define __PUB_TOOL_LIBCBASSERT_H
+
+#define tl_assert(expr)                                                 \
+  ((void) ((expr) ? 0 :                                                 \
+           (VG_(assert_fail) (/*isCore?*/False, #expr,                  \
+                              __FILE__, __LINE__, __PRETTY_FUNCTION__,  \
+                              ""),                                      \
+                              0)))
+
+#define tl_assert2(expr, format, args...)                               \
+  ((void) ((expr) ? 0 :                                                 \
+           (VG_(assert_fail) (/*isCore?*/False, #expr,                  \
+                              __FILE__, __LINE__, __PRETTY_FUNCTION__,  \
+                              format, ##args),                          \
+                              0)))
+
+__attribute__ ((__noreturn__))
+extern void VG_(assert_fail) ( Bool isCore, const Char* expr, const Char* file, 
+                               Int line, const Char* fn, 
+                               const HChar* format, ... );
+
+#endif   // __PUB_TOOL_LIBCBASSERT_H
+
+/*--------------------------------------------------------------------*/
+/*--- end                                                          ---*/
+/*--------------------------------------------------------------------*/