1 2 /*--------------------------------------------------------------------*/ 3 /*--- Error management for Helgrind. ---*/ 4 /*--- hg_errors.h ---*/ 5 /*--------------------------------------------------------------------*/ 6 7 /* 8 This file is part of Helgrind, a Valgrind tool for detecting errors 9 in threaded programs. 10 11 Copyright (C) 2007-2012 OpenWorks Ltd 12 info (at) open-works.co.uk 13 14 This program is free software; you can redistribute it and/or 15 modify it under the terms of the GNU General Public License as 16 published by the Free Software Foundation; either version 2 of the 17 License, or (at your option) any later version. 18 19 This program is distributed in the hope that it will be useful, but 20 WITHOUT ANY WARRANTY; without even the implied warranty of 21 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 22 General Public License for more details. 23 24 You should have received a copy of the GNU General Public License 25 along with this program; if not, write to the Free Software 26 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 27 02111-1307, USA. 28 29 The GNU General Public License is contained in the file COPYING. 30 */ 31 32 #ifndef __HG_ERRORS_H 33 #define __HG_ERRORS_H 34 35 36 /* The standard bundle of error management functions that we are 37 required to present to the core/tool interface at startup. */ 38 Bool HG_(eq_Error) ( VgRes not_used, Error* e1, Error* e2 ); 39 void HG_(before_pp_Error) ( Error* err ); 40 void HG_(pp_Error) ( Error* err ); 41 UInt HG_(update_extra) ( Error* err ); 42 Bool HG_(recognised_suppression) ( Char* name, Supp *su ); 43 Bool HG_(read_extra_suppression_info) ( Int fd, Char** bufpp, SizeT* nBufp, 44 Supp* su ); 45 Bool HG_(error_matches_suppression) ( Error* err, Supp* su ); 46 Char* HG_(get_error_name) ( Error* err ); 47 Bool HG_(get_extra_suppression_info) ( Error* err, 48 /*OUT*/Char* buf, Int nBuf ); 49 50 /* Functions for recording various kinds of errors. */ 51 void HG_(record_error_Race) ( Thread* thr, 52 Addr data_addr, Int szB, Bool isWrite, 53 Thread* h1_confthr, 54 ExeContext* h1_ct_segstart, 55 ExeContext* h1_ct_mbsegend ); 56 void HG_(record_error_UnlockUnlocked) ( Thread*, Lock* ); 57 void HG_(record_error_UnlockForeign) ( Thread*, Thread*, Lock* ); 58 void HG_(record_error_UnlockBogus) ( Thread*, Addr ); 59 void HG_(record_error_PthAPIerror) ( Thread*, HChar*, Word, HChar* ); 60 61 /* see the implementation for meaning of these params */ 62 void HG_(record_error_LockOrder) ( Thread*, Addr, Addr, 63 ExeContext*, ExeContext*, 64 ExeContext* ); 65 66 void HG_(record_error_Misc_w_aux) ( Thread*, HChar* errstr, 67 HChar* auxstr, ExeContext* auxctx ); 68 void HG_(record_error_Misc) ( Thread* thr, HChar* errstr ); 69 70 71 /* Statistics pertaining to error management. */ 72 extern ULong HG_(stats__LockN_to_P_queries); 73 extern ULong HG_(stats__LockN_to_P_get_map_size) ( void ); 74 extern ULong HG_(stats__string_table_queries); 75 extern ULong HG_(stats__string_table_get_map_size) ( void ); 76 77 /* For error creation: map 'data_addr' to a malloc'd chunk, if any. 78 Slow linear search accelerated in some special cases normal hash 79 search of the mallocmeta table. This is an abuse of the normal file 80 structure since this is exported by hg_main.c, not hg_errors.c. Oh 81 Well. Returns True if found, False if not. Zero-sized blocks are 82 considered to contain the searched-for address if they equal that 83 address. */ 84 Bool HG_(mm_find_containing_block)( /*OUT*/ExeContext** where, 85 /*OUT*/Addr* payload, 86 /*OUT*/SizeT* szB, 87 Addr data_addr ); 88 89 #endif /* ! __HG_ERRORS_H */ 90 91 /*--------------------------------------------------------------------*/ 92 /*--- end hg_errors.h ---*/ 93 /*--------------------------------------------------------------------*/ 94
