Merge Helgrind from branches/YARD into the trunk. Also includes some

minor changes to make stack unwinding on amd64-linux approximately
twice as fast as it was before.



git-svn-id: svn://svn.valgrind.org/valgrind/trunk@8707 a5019735-40e9-0310-863c-91ae7b9d1cf9

1 files changed, 86 insertions, 0 deletions

diff --git a/helgrind/hg_basics.c b/helgrind/hg_basics.c
new file mode 100644
index 000000000..7c2510964
--- /dev/null
+++ b/helgrind/hg_basics.c
@@ -0,0 +1,86 @@
+
+/*--------------------------------------------------------------------*/
+/*--- Basic definitions for all of Helgrind.                       ---*/
+/*---                                                  hg_basics.c ---*/
+/*--------------------------------------------------------------------*/
+
+/*
+   This file is part of Helgrind, a Valgrind tool for detecting errors
+   in threaded programs.
+
+   Copyright (C) 2007-2008 OpenWorks Ltd
+      info@open-works.co.uk
+
+   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.
+*/
+
+#include "pub_tool_basics.h"
+#include "pub_tool_libcbase.h"
+#include "pub_tool_libcassert.h"
+#include "pub_tool_mallocfree.h"
+#include "pub_tool_threadstate.h"
+
+#include "hg_basics.h"            /* self */
+
+
+/*----------------------------------------------------------------*/
+/*--- Very basic stuff                                         ---*/
+/*----------------------------------------------------------------*/
+
+void* HG_(zalloc) ( HChar* cc, SizeT n )
+{
+   void* p;
+   tl_assert(n > 0);
+   p = VG_(malloc)( cc, n );
+   tl_assert(p);
+   VG_(memset)(p, 0, n);
+   return p;
+}
+
+void HG_(free) ( void* p )
+{
+   tl_assert(p);
+   VG_(free)(p);
+}
+
+Char* HG_(strdup) ( HChar* cc, const Char* s )
+{
+   return VG_(strdup)( cc, s );
+}
+
+
+/*----------------------------------------------------------------*/
+/*--- Command line options                                     ---*/
+/*----------------------------------------------------------------*/
+
+/* Description of these flags is in hg_basics.h. */
+
+Bool HG_(clo_track_lockorders) = True;
+
+Bool HG_(clo_cmp_race_err_addrs) = False;
+
+Addr HG_(clo_trace_addr) = 0;
+
+Word HG_(clo_trace_level) = 0;
+
+Word HG_(clo_sanity_flags) = 0;
+
+
+/*--------------------------------------------------------------------*/
+/*--- end                                              hg_basics.c ---*/
+/*--------------------------------------------------------------------*/