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, 73 insertions, 0 deletions

diff --git a/helgrind/hg_errors.h b/helgrind/hg_errors.h
new file mode 100644
index 000000000..ddf92c3c1
--- /dev/null
+++ b/helgrind/hg_errors.h
@@ -0,0 +1,73 @@
+
+/*--------------------------------------------------------------------*/
+/*--- Error management for Helgrind.                               ---*/
+/*---                                                  hg_errors.h ---*/
+/*--------------------------------------------------------------------*/
+
+/*
+   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.
+*/
+
+#ifndef __HG_ERRORS_H
+#define __HG_ERRORS_H
+
+
+/* The standard bundle of error management functions that we are
+required to present to the core/tool interface at startup. */
+Bool  HG_(eq_Error) ( VgRes not_used, Error* e1, Error* e2 );
+void  HG_(pp_Error) ( Error* err );
+UInt  HG_(update_extra) ( Error* err );
+Bool  HG_(recognised_suppression) ( Char* name, Supp *su );
+Bool  HG_(read_extra_suppression_info) ( Int fd, Char* buf, Int nBuf,
+                                         Supp* su );
+Bool  HG_(error_matches_suppression) ( Error* err, Supp* su );
+Char* HG_(get_error_name) ( Error* err );
+void  HG_(print_extra_suppression_info) ( Error* err );
+
+/* Functions for recording various kinds of errors. */
+void HG_(record_error_Race) ( Thread* thr, 
+                              Addr data_addr, Bool isWrite, Int szB,
+                              ExeContext* mb_lastlock,
+                              ExeContext* mb_confacc,
+                              Thread* mb_confaccthr );
+void HG_(record_error_FreeMemLock)    ( Thread* thr, Lock* lk );
+void HG_(record_error_UnlockUnlocked) ( Thread*, Lock* );
+void HG_(record_error_UnlockForeign)  ( Thread*, Thread*, Lock* );
+void HG_(record_error_UnlockBogus)    ( Thread*, Addr );
+void HG_(record_error_PthAPIerror)    ( Thread*, HChar*, Word, HChar* );
+void HG_(record_error_LockOrder)      ( Thread*, Addr, Addr,
+                                        ExeContext*, ExeContext* );
+void HG_(record_error_Misc)           ( Thread*, HChar* );
+
+/* Statistics pertaining to error management. */
+extern ULong HG_(stats__LockN_to_P_queries);
+extern ULong HG_(stats__LockN_to_P_get_map_size) ( void );
+extern ULong HG_(stats__string_table_queries);
+extern ULong HG_(stats__string_table_get_map_size) ( void );
+
+#endif /* ! __HG_ERRORS_H */
+
+/*--------------------------------------------------------------------*/
+/*--- end                                              hg_errors.h ---*/
+/*--------------------------------------------------------------------*/