drd_error.c revision b80fa96a0202fd61a7c37d8fdc7c0bd2a9ffecac
1bedfd237fbdc80d0c917cfcb85a94b5561c92633bart/* -*- mode: C; c-basic-offset: 3; -*- */ 2af44c8236f7a73e71b16b707bba56f33af4d01cesewardj/* 386562bd89ac23ce795d19c71fabcb9d1c8f956d3bart This file is part of drd, a thread error detector. 4af44c8236f7a73e71b16b707bba56f33af4d01cesewardj 586562bd89ac23ce795d19c71fabcb9d1c8f956d3bart Copyright (C) 2006-2009 Bart Van Assche <bart.vanassche@gmail.com>. 6af44c8236f7a73e71b16b707bba56f33af4d01cesewardj 7af44c8236f7a73e71b16b707bba56f33af4d01cesewardj This program is free software; you can redistribute it and/or 8af44c8236f7a73e71b16b707bba56f33af4d01cesewardj modify it under the terms of the GNU General Public License as 9af44c8236f7a73e71b16b707bba56f33af4d01cesewardj published by the Free Software Foundation; either version 2 of the 10af44c8236f7a73e71b16b707bba56f33af4d01cesewardj License, or (at your option) any later version. 11af44c8236f7a73e71b16b707bba56f33af4d01cesewardj 12af44c8236f7a73e71b16b707bba56f33af4d01cesewardj This program is distributed in the hope that it will be useful, but 13af44c8236f7a73e71b16b707bba56f33af4d01cesewardj WITHOUT ANY WARRANTY; without even the implied warranty of 14af44c8236f7a73e71b16b707bba56f33af4d01cesewardj MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15af44c8236f7a73e71b16b707bba56f33af4d01cesewardj General Public License for more details. 16af44c8236f7a73e71b16b707bba56f33af4d01cesewardj 17af44c8236f7a73e71b16b707bba56f33af4d01cesewardj You should have received a copy of the GNU General Public License 18af44c8236f7a73e71b16b707bba56f33af4d01cesewardj along with this program; if not, write to the Free Software 19af44c8236f7a73e71b16b707bba56f33af4d01cesewardj Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 20af44c8236f7a73e71b16b707bba56f33af4d01cesewardj 02111-1307, USA. 21af44c8236f7a73e71b16b707bba56f33af4d01cesewardj 22af44c8236f7a73e71b16b707bba56f33af4d01cesewardj The GNU General Public License is contained in the file COPYING. 23af44c8236f7a73e71b16b707bba56f33af4d01cesewardj*/ 24af44c8236f7a73e71b16b707bba56f33af4d01cesewardj 25af44c8236f7a73e71b16b707bba56f33af4d01cesewardj 26886b87c5e1adfa6657d24404283f7b79576e690cbart#include "drd_clientobj.h" /* struct mutex_info */ 27af44c8236f7a73e71b16b707bba56f33af4d01cesewardj#include "drd_error.h" 28af44c8236f7a73e71b16b707bba56f33af4d01cesewardj#include "drd_malloc_wrappers.h" 29886b87c5e1adfa6657d24404283f7b79576e690cbart#include "drd_mutex.h" 30886b87c5e1adfa6657d24404283f7b79576e690cbart#include "drd_suppression.h" /* drd_start_suppression() */ 31886b87c5e1adfa6657d24404283f7b79576e690cbart#include "pub_drd_bitmap.h" /* LHS_W, ... */ 32af44c8236f7a73e71b16b707bba56f33af4d01cesewardj#include "pub_tool_vki.h" 33af44c8236f7a73e71b16b707bba56f33af4d01cesewardj#include "pub_tool_basics.h" 34886b87c5e1adfa6657d24404283f7b79576e690cbart#include "pub_tool_libcassert.h" /* tl_assert() */ 35886b87c5e1adfa6657d24404283f7b79576e690cbart#include "pub_tool_libcbase.h" /* strlen() */ 36886b87c5e1adfa6657d24404283f7b79576e690cbart#include "pub_tool_libcfile.h" /* VG_(get_startup_wd)() */ 37886b87c5e1adfa6657d24404283f7b79576e690cbart#include "pub_tool_libcprint.h" /* VG_(printf)() */ 38af44c8236f7a73e71b16b707bba56f33af4d01cesewardj#include "pub_tool_machine.h" 39886b87c5e1adfa6657d24404283f7b79576e690cbart#include "pub_tool_mallocfree.h" /* VG_(malloc), VG_(free) */ 40886b87c5e1adfa6657d24404283f7b79576e690cbart#include "pub_tool_threadstate.h" /* VG_(get_pthread_id)() */ 41886b87c5e1adfa6657d24404283f7b79576e690cbart#include "pub_tool_tooliface.h" /* VG_(needs_tool_errors)() */ 42af44c8236f7a73e71b16b707bba56f33af4d01cesewardj 43af44c8236f7a73e71b16b707bba56f33af4d01cesewardj 4416d76e507231c5edd065cd66b597bf372adbf7a4bart/* Local variables. */ 4516d76e507231c5edd065cd66b597bf372adbf7a4bart 46d2c5eae561040706a7eb45c0f3988dcd538c8d7ebartstatic Bool s_show_conflicting_segments = True; 4716d76e507231c5edd065cd66b597bf372adbf7a4bart 4816d76e507231c5edd065cd66b597bf372adbf7a4bart 49246fbf2655328fc150e528b701223b7a1eafe471bartvoid DRD_(set_show_conflicting_segments)(const Bool scs) 5016d76e507231c5edd065cd66b597bf372adbf7a4bart{ 51bedfd237fbdc80d0c917cfcb85a94b5561c92633bart s_show_conflicting_segments = scs; 5216d76e507231c5edd065cd66b597bf372adbf7a4bart} 5316d76e507231c5edd065cd66b597bf372adbf7a4bart 54246fbf2655328fc150e528b701223b7a1eafe471bart/** 5561d36ff45485b6b96f443c8bebb1acf26eaff653bart * Describe the client address a as good as possible, putting the result in ai. 56886b87c5e1adfa6657d24404283f7b79576e690cbart */ 57ff1252ae10754371ac3428fdf8d7704c39acc23dbartstatic 5861d36ff45485b6b96f443c8bebb1acf26eaff653bartvoid describe_malloced_addr(Addr const a, AddrInfo* const ai) 59af44c8236f7a73e71b16b707bba56f33af4d01cesewardj{ 6061d36ff45485b6b96f443c8bebb1acf26eaff653bart Addr heap_block_start; 61bedfd237fbdc80d0c917cfcb85a94b5561c92633bart 6261d36ff45485b6b96f443c8bebb1acf26eaff653bart if (DRD_(heap_addrinfo)(a, &heap_block_start, &ai->size, &ai->lastchange)) 63bedfd237fbdc80d0c917cfcb85a94b5561c92633bart { 64bedfd237fbdc80d0c917cfcb85a94b5561c92633bart ai->akind = eMallocd; 6561d36ff45485b6b96f443c8bebb1acf26eaff653bart ai->rwoffset = a - heap_block_start; 66bedfd237fbdc80d0c917cfcb85a94b5561c92633bart } 67bedfd237fbdc80d0c917cfcb85a94b5561c92633bart else 68bedfd237fbdc80d0c917cfcb85a94b5561c92633bart { 69bedfd237fbdc80d0c917cfcb85a94b5561c92633bart ai->akind = eUnknown; 70bedfd237fbdc80d0c917cfcb85a94b5561c92633bart } 71af44c8236f7a73e71b16b707bba56f33af4d01cesewardj} 72af44c8236f7a73e71b16b707bba56f33af4d01cesewardj 73246fbf2655328fc150e528b701223b7a1eafe471bart/** 7461d36ff45485b6b96f443c8bebb1acf26eaff653bart * Report where a client synchronization object has been observed for the first 7561d36ff45485b6b96f443c8bebb1acf26eaff653bart * time. The printed call stack will either refer to a pthread_*_init() or a 7661d36ff45485b6b96f443c8bebb1acf26eaff653bart * pthread_*lock() call. 77886b87c5e1adfa6657d24404283f7b79576e690cbart */ 78d2c5eae561040706a7eb45c0f3988dcd538c8d7ebartstatic void first_observed(const Addr obj) 79886b87c5e1adfa6657d24404283f7b79576e690cbart{ 80bedfd237fbdc80d0c917cfcb85a94b5561c92633bart DrdClientobj* cl; 81bedfd237fbdc80d0c917cfcb85a94b5561c92633bart 82bedfd237fbdc80d0c917cfcb85a94b5561c92633bart cl = DRD_(clientobj_get_any)(obj); 83bedfd237fbdc80d0c917cfcb85a94b5561c92633bart if (cl) 84bedfd237fbdc80d0c917cfcb85a94b5561c92633bart { 85bedfd237fbdc80d0c917cfcb85a94b5561c92633bart tl_assert(cl->any.first_observed_at); 86bedfd237fbdc80d0c917cfcb85a94b5561c92633bart VG_(message)(Vg_UserMsg, 871e29ebcf5a0d5d29434d112bda3a584b4a3f8066sewardj "%s 0x%lx was first observed at:\n", 88bedfd237fbdc80d0c917cfcb85a94b5561c92633bart DRD_(clientobj_type_name)(cl->any.type), 89bedfd237fbdc80d0c917cfcb85a94b5561c92633bart obj); 90bedfd237fbdc80d0c917cfcb85a94b5561c92633bart VG_(pp_ExeContext)(cl->any.first_observed_at); 91bedfd237fbdc80d0c917cfcb85a94b5561c92633bart } 92886b87c5e1adfa6657d24404283f7b79576e690cbart} 93886b87c5e1adfa6657d24404283f7b79576e690cbart 94af44c8236f7a73e71b16b707bba56f33af4d01cesewardjstatic 95d2c5eae561040706a7eb45c0f3988dcd538c8d7ebartvoid drd_report_data_race(Error* const err, const DataRaceErrInfo* const dri) 96af44c8236f7a73e71b16b707bba56f33af4d01cesewardj{ 97bedfd237fbdc80d0c917cfcb85a94b5561c92633bart AddrInfo ai; 981e29ebcf5a0d5d29434d112bda3a584b4a3f8066sewardj 991e29ebcf5a0d5d29434d112bda3a584b4a3f8066sewardj XArray* /* of HChar */ descr1 1001e29ebcf5a0d5d29434d112bda3a584b4a3f8066sewardj = VG_(newXA)( VG_(malloc), "drd.error.drdr2.1", 1011e29ebcf5a0d5d29434d112bda3a584b4a3f8066sewardj VG_(free), sizeof(HChar) ); 1021e29ebcf5a0d5d29434d112bda3a584b4a3f8066sewardj XArray* /* of HChar */ descr2 1031e29ebcf5a0d5d29434d112bda3a584b4a3f8066sewardj = VG_(newXA)( VG_(malloc), "drd.error.drdr2.2", 1041e29ebcf5a0d5d29434d112bda3a584b4a3f8066sewardj VG_(free), sizeof(HChar) ); 105bedfd237fbdc80d0c917cfcb85a94b5561c92633bart 106bedfd237fbdc80d0c917cfcb85a94b5561c92633bart tl_assert(dri); 107bedfd237fbdc80d0c917cfcb85a94b5561c92633bart tl_assert(dri->addr); 108bedfd237fbdc80d0c917cfcb85a94b5561c92633bart tl_assert(dri->size > 0); 109bedfd237fbdc80d0c917cfcb85a94b5561c92633bart tl_assert(descr1); 110bedfd237fbdc80d0c917cfcb85a94b5561c92633bart tl_assert(descr2); 111bedfd237fbdc80d0c917cfcb85a94b5561c92633bart 1121e29ebcf5a0d5d29434d112bda3a584b4a3f8066sewardj (void) VG_(get_data_description)(descr1, descr2, dri->addr); 1131e29ebcf5a0d5d29434d112bda3a584b4a3f8066sewardj /* If there's nothing in descr1/2, free them. Why is it safe to to 1141e29ebcf5a0d5d29434d112bda3a584b4a3f8066sewardj VG_(indexXA) at zero here? Because VG_(get_data_description) 1151e29ebcf5a0d5d29434d112bda3a584b4a3f8066sewardj guarantees to zero terminate descr1/2 regardless of the outcome 1161e29ebcf5a0d5d29434d112bda3a584b4a3f8066sewardj of the call. So there's always at least one element in each XA 1171e29ebcf5a0d5d29434d112bda3a584b4a3f8066sewardj after the call. 1181e29ebcf5a0d5d29434d112bda3a584b4a3f8066sewardj */ 1191e29ebcf5a0d5d29434d112bda3a584b4a3f8066sewardj if (0 == VG_(strlen)( VG_(indexXA)( descr1, 0 ))) { 1201e29ebcf5a0d5d29434d112bda3a584b4a3f8066sewardj VG_(deleteXA)( descr1 ); 1211e29ebcf5a0d5d29434d112bda3a584b4a3f8066sewardj descr1 = NULL; 1221e29ebcf5a0d5d29434d112bda3a584b4a3f8066sewardj } 1231e29ebcf5a0d5d29434d112bda3a584b4a3f8066sewardj if (0 == VG_(strlen)( VG_(indexXA)( descr2, 0 ))) { 1241e29ebcf5a0d5d29434d112bda3a584b4a3f8066sewardj VG_(deleteXA)( descr2 ); 1251e29ebcf5a0d5d29434d112bda3a584b4a3f8066sewardj descr2 = NULL; 1261e29ebcf5a0d5d29434d112bda3a584b4a3f8066sewardj } 1271e29ebcf5a0d5d29434d112bda3a584b4a3f8066sewardj /* Assume (assert) that VG_(get_data_description) fills in descr1 1281e29ebcf5a0d5d29434d112bda3a584b4a3f8066sewardj before it fills in descr2 */ 1291e29ebcf5a0d5d29434d112bda3a584b4a3f8066sewardj if (descr1 == NULL) 1301e29ebcf5a0d5d29434d112bda3a584b4a3f8066sewardj tl_assert(descr2 == NULL); 1311e29ebcf5a0d5d29434d112bda3a584b4a3f8066sewardj /* So anyway. Do we have something useful? */ 1321e29ebcf5a0d5d29434d112bda3a584b4a3f8066sewardj if (descr1 == NULL) 133bedfd237fbdc80d0c917cfcb85a94b5561c92633bart { 1341e29ebcf5a0d5d29434d112bda3a584b4a3f8066sewardj /* No. Do Plan B. */ 13561d36ff45485b6b96f443c8bebb1acf26eaff653bart describe_malloced_addr(dri->addr, &ai); 136bedfd237fbdc80d0c917cfcb85a94b5561c92633bart } 137bedfd237fbdc80d0c917cfcb85a94b5561c92633bart VG_(message)(Vg_UserMsg, 13863c92ea799549976957f5b4d54ede744f762c56fbart "Conflicting %s by thread %d at 0x%08lx size %ld\n", 139bedfd237fbdc80d0c917cfcb85a94b5561c92633bart dri->access_type == eStore ? "store" : "load", 140bedfd237fbdc80d0c917cfcb85a94b5561c92633bart dri->tid, 141bedfd237fbdc80d0c917cfcb85a94b5561c92633bart dri->addr, 142bedfd237fbdc80d0c917cfcb85a94b5561c92633bart dri->size); 143bedfd237fbdc80d0c917cfcb85a94b5561c92633bart VG_(pp_ExeContext)(VG_(get_error_where)(err)); 1441e29ebcf5a0d5d29434d112bda3a584b4a3f8066sewardj if (descr1 != NULL) 145bedfd237fbdc80d0c917cfcb85a94b5561c92633bart { 1461e29ebcf5a0d5d29434d112bda3a584b4a3f8066sewardj VG_(message)(Vg_UserMsg, "%s\n", (HChar*)VG_(indexXA)(descr1, 0)); 1471e29ebcf5a0d5d29434d112bda3a584b4a3f8066sewardj if (descr2 != NULL) 1481e29ebcf5a0d5d29434d112bda3a584b4a3f8066sewardj VG_(message)(Vg_UserMsg, "%s\n", (HChar*)VG_(indexXA)(descr2, 0)); 149bedfd237fbdc80d0c917cfcb85a94b5561c92633bart } 150bedfd237fbdc80d0c917cfcb85a94b5561c92633bart else if (ai.akind == eMallocd && ai.lastchange) 151bedfd237fbdc80d0c917cfcb85a94b5561c92633bart { 152fca00e5b1485d8c6807936ccb44b2ed94c2e5852bart VG_(message)(Vg_UserMsg, 153bedfd237fbdc80d0c917cfcb85a94b5561c92633bart "Address 0x%lx is at offset %ld from 0x%lx." 1541e29ebcf5a0d5d29434d112bda3a584b4a3f8066sewardj " Allocation context:\n", 155bedfd237fbdc80d0c917cfcb85a94b5561c92633bart dri->addr, ai.rwoffset, dri->addr - ai.rwoffset); 156bedfd237fbdc80d0c917cfcb85a94b5561c92633bart VG_(pp_ExeContext)(ai.lastchange); 157bedfd237fbdc80d0c917cfcb85a94b5561c92633bart } 158bedfd237fbdc80d0c917cfcb85a94b5561c92633bart else 159bedfd237fbdc80d0c917cfcb85a94b5561c92633bart { 160bedfd237fbdc80d0c917cfcb85a94b5561c92633bart char sect_name[64]; 161bedfd237fbdc80d0c917cfcb85a94b5561c92633bart VgSectKind sect_kind; 162bedfd237fbdc80d0c917cfcb85a94b5561c92633bart 163bedfd237fbdc80d0c917cfcb85a94b5561c92633bart sect_kind = VG_(seginfo_sect_kind)(sect_name, sizeof(sect_name), 164bedfd237fbdc80d0c917cfcb85a94b5561c92633bart dri->addr); 165bedfd237fbdc80d0c917cfcb85a94b5561c92633bart if (sect_kind != Vg_SectUnknown) 166bedfd237fbdc80d0c917cfcb85a94b5561c92633bart { 167bedfd237fbdc80d0c917cfcb85a94b5561c92633bart VG_(message)(Vg_UserMsg, 1681e29ebcf5a0d5d29434d112bda3a584b4a3f8066sewardj "Allocation context: %s section of %s\n", 169bedfd237fbdc80d0c917cfcb85a94b5561c92633bart VG_(pp_SectKind)(sect_kind), 170bedfd237fbdc80d0c917cfcb85a94b5561c92633bart sect_name); 171bedfd237fbdc80d0c917cfcb85a94b5561c92633bart } 172bedfd237fbdc80d0c917cfcb85a94b5561c92633bart else 173bedfd237fbdc80d0c917cfcb85a94b5561c92633bart { 1741e29ebcf5a0d5d29434d112bda3a584b4a3f8066sewardj VG_(message)(Vg_UserMsg, "Allocation context: unknown.\n"); 175bedfd237fbdc80d0c917cfcb85a94b5561c92633bart } 176bedfd237fbdc80d0c917cfcb85a94b5561c92633bart } 177bedfd237fbdc80d0c917cfcb85a94b5561c92633bart if (s_show_conflicting_segments) 178bedfd237fbdc80d0c917cfcb85a94b5561c92633bart { 179bedfd237fbdc80d0c917cfcb85a94b5561c92633bart DRD_(thread_report_conflicting_segments)(dri->tid, 180bedfd237fbdc80d0c917cfcb85a94b5561c92633bart dri->addr, dri->size, 181bedfd237fbdc80d0c917cfcb85a94b5561c92633bart dri->access_type); 182bedfd237fbdc80d0c917cfcb85a94b5561c92633bart } 183bedfd237fbdc80d0c917cfcb85a94b5561c92633bart 1841e29ebcf5a0d5d29434d112bda3a584b4a3f8066sewardj if (descr2) 1851e29ebcf5a0d5d29434d112bda3a584b4a3f8066sewardj VG_(deleteXA)(descr2); 1861e29ebcf5a0d5d29434d112bda3a584b4a3f8066sewardj if (descr1) 1871e29ebcf5a0d5d29434d112bda3a584b4a3f8066sewardj VG_(deleteXA)(descr1); 188af44c8236f7a73e71b16b707bba56f33af4d01cesewardj} 189af44c8236f7a73e71b16b707bba56f33af4d01cesewardj 19061d36ff45485b6b96f443c8bebb1acf26eaff653bart/** 19161d36ff45485b6b96f443c8bebb1acf26eaff653bart * Compare two error contexts. The core function VG_(maybe_record_error)() 19261d36ff45485b6b96f443c8bebb1acf26eaff653bart * calls this function to compare error contexts such that errors that occur 19361d36ff45485b6b96f443c8bebb1acf26eaff653bart * repeatedly are only printed once. This function is only called by the core 19461d36ff45485b6b96f443c8bebb1acf26eaff653bart * if the error kind of e1 and e2 matches and if the ExeContext's of e1 and 19561d36ff45485b6b96f443c8bebb1acf26eaff653bart * e2 also match. 19661d36ff45485b6b96f443c8bebb1acf26eaff653bart */ 19761d36ff45485b6b96f443c8bebb1acf26eaff653bartstatic Bool drd_compare_error_contexts(VgRes res, Error* e1, Error* e2) 198af44c8236f7a73e71b16b707bba56f33af4d01cesewardj{ 199b80fa96a0202fd61a7c37d8fdc7c0bd2a9ffecacbart tl_assert(VG_(get_error_kind)(e1) == VG_(get_error_kind)(e2)); 200b80fa96a0202fd61a7c37d8fdc7c0bd2a9ffecacbart 201b80fa96a0202fd61a7c37d8fdc7c0bd2a9ffecacbart switch (VG_(get_error_kind)(e1)) 202b80fa96a0202fd61a7c37d8fdc7c0bd2a9ffecacbart { 203b80fa96a0202fd61a7c37d8fdc7c0bd2a9ffecacbart case DataRaceErr: 204b80fa96a0202fd61a7c37d8fdc7c0bd2a9ffecacbart { 205b80fa96a0202fd61a7c37d8fdc7c0bd2a9ffecacbart const DataRaceErrInfo* const dri1 = VG_(get_error_extra)(e1); 206b80fa96a0202fd61a7c37d8fdc7c0bd2a9ffecacbart const DataRaceErrInfo* const dri2 = VG_(get_error_extra)(e2); 207b80fa96a0202fd61a7c37d8fdc7c0bd2a9ffecacbart return dri1->access_type == dri2->access_type 208b80fa96a0202fd61a7c37d8fdc7c0bd2a9ffecacbart && dri1->size == dri2->size; 209b80fa96a0202fd61a7c37d8fdc7c0bd2a9ffecacbart } 210b80fa96a0202fd61a7c37d8fdc7c0bd2a9ffecacbart default: 211b80fa96a0202fd61a7c37d8fdc7c0bd2a9ffecacbart return True; 212b80fa96a0202fd61a7c37d8fdc7c0bd2a9ffecacbart } 213af44c8236f7a73e71b16b707bba56f33af4d01cesewardj} 214af44c8236f7a73e71b16b707bba56f33af4d01cesewardj 21561d36ff45485b6b96f443c8bebb1acf26eaff653bart/** 21661d36ff45485b6b96f443c8bebb1acf26eaff653bart * Called by the core just before an error message will be printed. Used by 21761d36ff45485b6b96f443c8bebb1acf26eaff653bart * DRD to print the thread number as a preamble. 21861d36ff45485b6b96f443c8bebb1acf26eaff653bart */ 2191e29ebcf5a0d5d29434d112bda3a584b4a3f8066sewardjstatic void drd_tool_error_before_pp(Error* const e) 2201e29ebcf5a0d5d29434d112bda3a584b4a3f8066sewardj{ 221d45d99553c15a361bb797d21ec6afb9bad22d2d4bart static DrdThreadId s_last_tid_printed = 1; 222d45d99553c15a361bb797d21ec6afb9bad22d2d4bart DrdThreadId* err_extra; 223d45d99553c15a361bb797d21ec6afb9bad22d2d4bart 224d45d99553c15a361bb797d21ec6afb9bad22d2d4bart err_extra = VG_(get_error_extra)(e); 225d45d99553c15a361bb797d21ec6afb9bad22d2d4bart 226d45d99553c15a361bb797d21ec6afb9bad22d2d4bart if (err_extra && *err_extra != s_last_tid_printed) 227d45d99553c15a361bb797d21ec6afb9bad22d2d4bart { 2281e29ebcf5a0d5d29434d112bda3a584b4a3f8066sewardj VG_(umsg)("%s:\n", DRD_(thread_get_name)(*err_extra)); 229d45d99553c15a361bb797d21ec6afb9bad22d2d4bart s_last_tid_printed = *err_extra; 230d45d99553c15a361bb797d21ec6afb9bad22d2d4bart } 23161d36ff45485b6b96f443c8bebb1acf26eaff653bart} 232d45d99553c15a361bb797d21ec6afb9bad22d2d4bart 23361d36ff45485b6b96f443c8bebb1acf26eaff653bart/** Report an error to the user. */ 23461d36ff45485b6b96f443c8bebb1acf26eaff653bartstatic void drd_tool_error_pp(Error* const e) 23561d36ff45485b6b96f443c8bebb1acf26eaff653bart{ 236bedfd237fbdc80d0c917cfcb85a94b5561c92633bart switch (VG_(get_error_kind)(e)) 237bedfd237fbdc80d0c917cfcb85a94b5561c92633bart { 238bedfd237fbdc80d0c917cfcb85a94b5561c92633bart case DataRaceErr: { 239bedfd237fbdc80d0c917cfcb85a94b5561c92633bart drd_report_data_race(e, VG_(get_error_extra)(e)); 240bedfd237fbdc80d0c917cfcb85a94b5561c92633bart break; 241bedfd237fbdc80d0c917cfcb85a94b5561c92633bart } 242bedfd237fbdc80d0c917cfcb85a94b5561c92633bart case MutexErr: { 243bedfd237fbdc80d0c917cfcb85a94b5561c92633bart MutexErrInfo* p = (MutexErrInfo*)(VG_(get_error_extra)(e)); 244bedfd237fbdc80d0c917cfcb85a94b5561c92633bart tl_assert(p); 245bedfd237fbdc80d0c917cfcb85a94b5561c92633bart if (p->recursion_count >= 0) 246bedfd237fbdc80d0c917cfcb85a94b5561c92633bart { 247bedfd237fbdc80d0c917cfcb85a94b5561c92633bart VG_(message)(Vg_UserMsg, 2481e29ebcf5a0d5d29434d112bda3a584b4a3f8066sewardj "%s: mutex 0x%lx, recursion count %d, owner %d.\n", 249bedfd237fbdc80d0c917cfcb85a94b5561c92633bart VG_(get_error_string)(e), 250bedfd237fbdc80d0c917cfcb85a94b5561c92633bart p->mutex, 251bedfd237fbdc80d0c917cfcb85a94b5561c92633bart p->recursion_count, 252bedfd237fbdc80d0c917cfcb85a94b5561c92633bart p->owner); 253bedfd237fbdc80d0c917cfcb85a94b5561c92633bart } 254bedfd237fbdc80d0c917cfcb85a94b5561c92633bart else 255bedfd237fbdc80d0c917cfcb85a94b5561c92633bart { 256bedfd237fbdc80d0c917cfcb85a94b5561c92633bart VG_(message)(Vg_UserMsg, 2571e29ebcf5a0d5d29434d112bda3a584b4a3f8066sewardj "The object at address 0x%lx is not a mutex.\n", 258bedfd237fbdc80d0c917cfcb85a94b5561c92633bart p->mutex); 259bedfd237fbdc80d0c917cfcb85a94b5561c92633bart } 260bedfd237fbdc80d0c917cfcb85a94b5561c92633bart VG_(pp_ExeContext)(VG_(get_error_where)(e)); 261bedfd237fbdc80d0c917cfcb85a94b5561c92633bart first_observed(p->mutex); 262bedfd237fbdc80d0c917cfcb85a94b5561c92633bart break; 263bedfd237fbdc80d0c917cfcb85a94b5561c92633bart } 264bedfd237fbdc80d0c917cfcb85a94b5561c92633bart case CondErr: { 265bedfd237fbdc80d0c917cfcb85a94b5561c92633bart CondErrInfo* cdei =(CondErrInfo*)(VG_(get_error_extra)(e)); 266bedfd237fbdc80d0c917cfcb85a94b5561c92633bart VG_(message)(Vg_UserMsg, 2671e29ebcf5a0d5d29434d112bda3a584b4a3f8066sewardj "%s: cond 0x%lx\n", 268bedfd237fbdc80d0c917cfcb85a94b5561c92633bart VG_(get_error_string)(e), 269bedfd237fbdc80d0c917cfcb85a94b5561c92633bart cdei->cond); 270bedfd237fbdc80d0c917cfcb85a94b5561c92633bart VG_(pp_ExeContext)(VG_(get_error_where)(e)); 271bedfd237fbdc80d0c917cfcb85a94b5561c92633bart first_observed(cdei->cond); 272bedfd237fbdc80d0c917cfcb85a94b5561c92633bart break; 273bedfd237fbdc80d0c917cfcb85a94b5561c92633bart } 274bedfd237fbdc80d0c917cfcb85a94b5561c92633bart case CondDestrErr: { 275bedfd237fbdc80d0c917cfcb85a94b5561c92633bart CondDestrErrInfo* cdi = (CondDestrErrInfo*)(VG_(get_error_extra)(e)); 276bedfd237fbdc80d0c917cfcb85a94b5561c92633bart VG_(message)(Vg_UserMsg, 27763c92ea799549976957f5b4d54ede744f762c56fbart "%s: cond 0x%lx, mutex 0x%lx locked by thread %d\n", 278bedfd237fbdc80d0c917cfcb85a94b5561c92633bart VG_(get_error_string)(e), 279bedfd237fbdc80d0c917cfcb85a94b5561c92633bart cdi->cond, cdi->mutex, 28063c92ea799549976957f5b4d54ede744f762c56fbart cdi->owner); 281bedfd237fbdc80d0c917cfcb85a94b5561c92633bart VG_(pp_ExeContext)(VG_(get_error_where)(e)); 282bedfd237fbdc80d0c917cfcb85a94b5561c92633bart first_observed(cdi->mutex); 283bedfd237fbdc80d0c917cfcb85a94b5561c92633bart break; 284bedfd237fbdc80d0c917cfcb85a94b5561c92633bart } 285bedfd237fbdc80d0c917cfcb85a94b5561c92633bart case CondRaceErr: { 286bedfd237fbdc80d0c917cfcb85a94b5561c92633bart CondRaceErrInfo* cei = (CondRaceErrInfo*)(VG_(get_error_extra)(e)); 287bedfd237fbdc80d0c917cfcb85a94b5561c92633bart VG_(message)(Vg_UserMsg, 288bedfd237fbdc80d0c917cfcb85a94b5561c92633bart "Probably a race condition: condition variable 0x%lx has" 289bedfd237fbdc80d0c917cfcb85a94b5561c92633bart " been signaled but the associated mutex 0x%lx is not" 2901e29ebcf5a0d5d29434d112bda3a584b4a3f8066sewardj " locked by the signalling thread.\n", 291bedfd237fbdc80d0c917cfcb85a94b5561c92633bart cei->cond, cei->mutex); 292bedfd237fbdc80d0c917cfcb85a94b5561c92633bart VG_(pp_ExeContext)(VG_(get_error_where)(e)); 293bedfd237fbdc80d0c917cfcb85a94b5561c92633bart first_observed(cei->cond); 294bedfd237fbdc80d0c917cfcb85a94b5561c92633bart first_observed(cei->mutex); 295bedfd237fbdc80d0c917cfcb85a94b5561c92633bart break; 296bedfd237fbdc80d0c917cfcb85a94b5561c92633bart } 297bedfd237fbdc80d0c917cfcb85a94b5561c92633bart case CondWaitErr: { 298bedfd237fbdc80d0c917cfcb85a94b5561c92633bart CondWaitErrInfo* cwei = (CondWaitErrInfo*)(VG_(get_error_extra)(e)); 2996b71761ccfaa90b5d415dc7c19569568cf4579b4bart VG_(message)(Vg_UserMsg, 3001e29ebcf5a0d5d29434d112bda3a584b4a3f8066sewardj "%s: condition variable 0x%lx, mutexes 0x%lx and 0x%lx\n", 3016b71761ccfaa90b5d415dc7c19569568cf4579b4bart VG_(get_error_string)(e), 302bedfd237fbdc80d0c917cfcb85a94b5561c92633bart cwei->cond, 303bedfd237fbdc80d0c917cfcb85a94b5561c92633bart cwei->mutex1, 304bedfd237fbdc80d0c917cfcb85a94b5561c92633bart cwei->mutex2); 305bedfd237fbdc80d0c917cfcb85a94b5561c92633bart VG_(pp_ExeContext)(VG_(get_error_where)(e)); 306bedfd237fbdc80d0c917cfcb85a94b5561c92633bart first_observed(cwei->cond); 307bedfd237fbdc80d0c917cfcb85a94b5561c92633bart first_observed(cwei->mutex1); 308bedfd237fbdc80d0c917cfcb85a94b5561c92633bart first_observed(cwei->mutex2); 309bedfd237fbdc80d0c917cfcb85a94b5561c92633bart break; 310bedfd237fbdc80d0c917cfcb85a94b5561c92633bart } 311bedfd237fbdc80d0c917cfcb85a94b5561c92633bart case SemaphoreErr: { 312bedfd237fbdc80d0c917cfcb85a94b5561c92633bart SemaphoreErrInfo* sei = (SemaphoreErrInfo*)(VG_(get_error_extra)(e)); 313bedfd237fbdc80d0c917cfcb85a94b5561c92633bart tl_assert(sei); 3146b71761ccfaa90b5d415dc7c19569568cf4579b4bart VG_(message)(Vg_UserMsg, 3151e29ebcf5a0d5d29434d112bda3a584b4a3f8066sewardj "%s: semaphore 0x%lx\n", 316bedfd237fbdc80d0c917cfcb85a94b5561c92633bart VG_(get_error_string)(e), 317bedfd237fbdc80d0c917cfcb85a94b5561c92633bart sei->semaphore); 318bedfd237fbdc80d0c917cfcb85a94b5561c92633bart VG_(pp_ExeContext)(VG_(get_error_where)(e)); 319bedfd237fbdc80d0c917cfcb85a94b5561c92633bart first_observed(sei->semaphore); 320bedfd237fbdc80d0c917cfcb85a94b5561c92633bart break; 321bedfd237fbdc80d0c917cfcb85a94b5561c92633bart } 322bedfd237fbdc80d0c917cfcb85a94b5561c92633bart case BarrierErr: { 323bedfd237fbdc80d0c917cfcb85a94b5561c92633bart BarrierErrInfo* bei = (BarrierErrInfo*)(VG_(get_error_extra)(e)); 324bedfd237fbdc80d0c917cfcb85a94b5561c92633bart tl_assert(bei); 325bedfd237fbdc80d0c917cfcb85a94b5561c92633bart VG_(message)(Vg_UserMsg, 3261e29ebcf5a0d5d29434d112bda3a584b4a3f8066sewardj "%s: barrier 0x%lx\n", 327bedfd237fbdc80d0c917cfcb85a94b5561c92633bart VG_(get_error_string)(e), 328bedfd237fbdc80d0c917cfcb85a94b5561c92633bart bei->barrier); 329bedfd237fbdc80d0c917cfcb85a94b5561c92633bart VG_(pp_ExeContext)(VG_(get_error_where)(e)); 330bedfd237fbdc80d0c917cfcb85a94b5561c92633bart if (bei->other_context) 331bedfd237fbdc80d0c917cfcb85a94b5561c92633bart { 332bedfd237fbdc80d0c917cfcb85a94b5561c92633bart VG_(message)(Vg_UserMsg, 33363c92ea799549976957f5b4d54ede744f762c56fbart "Conflicting wait call by thread %d:\n", 334bedfd237fbdc80d0c917cfcb85a94b5561c92633bart bei->other_tid); 335bedfd237fbdc80d0c917cfcb85a94b5561c92633bart VG_(pp_ExeContext)(bei->other_context); 336bedfd237fbdc80d0c917cfcb85a94b5561c92633bart } 337bedfd237fbdc80d0c917cfcb85a94b5561c92633bart first_observed(bei->barrier); 338bedfd237fbdc80d0c917cfcb85a94b5561c92633bart break; 339bedfd237fbdc80d0c917cfcb85a94b5561c92633bart } 340bedfd237fbdc80d0c917cfcb85a94b5561c92633bart case RwlockErr: { 341bedfd237fbdc80d0c917cfcb85a94b5561c92633bart RwlockErrInfo* p = (RwlockErrInfo*)(VG_(get_error_extra)(e)); 342bedfd237fbdc80d0c917cfcb85a94b5561c92633bart tl_assert(p); 343bedfd237fbdc80d0c917cfcb85a94b5561c92633bart VG_(message)(Vg_UserMsg, 3441e29ebcf5a0d5d29434d112bda3a584b4a3f8066sewardj "%s: rwlock 0x%lx.\n", 345bedfd237fbdc80d0c917cfcb85a94b5561c92633bart VG_(get_error_string)(e), 346bedfd237fbdc80d0c917cfcb85a94b5561c92633bart p->rwlock); 347bedfd237fbdc80d0c917cfcb85a94b5561c92633bart VG_(pp_ExeContext)(VG_(get_error_where)(e)); 348bedfd237fbdc80d0c917cfcb85a94b5561c92633bart first_observed(p->rwlock); 349bedfd237fbdc80d0c917cfcb85a94b5561c92633bart break; 350bedfd237fbdc80d0c917cfcb85a94b5561c92633bart } 351bedfd237fbdc80d0c917cfcb85a94b5561c92633bart case HoldtimeErr: { 352bedfd237fbdc80d0c917cfcb85a94b5561c92633bart HoldtimeErrInfo* p =(HoldtimeErrInfo*)(VG_(get_error_extra)(e)); 353bedfd237fbdc80d0c917cfcb85a94b5561c92633bart tl_assert(p); 354bedfd237fbdc80d0c917cfcb85a94b5561c92633bart tl_assert(p->acquired_at); 3551e29ebcf5a0d5d29434d112bda3a584b4a3f8066sewardj VG_(message)(Vg_UserMsg, "Acquired at:\n"); 356bedfd237fbdc80d0c917cfcb85a94b5561c92633bart VG_(pp_ExeContext)(p->acquired_at); 357bedfd237fbdc80d0c917cfcb85a94b5561c92633bart VG_(message)(Vg_UserMsg, 3581e29ebcf5a0d5d29434d112bda3a584b4a3f8066sewardj "Lock on %s 0x%lx was held during %d ms (threshold: %d ms).\n", 359bedfd237fbdc80d0c917cfcb85a94b5561c92633bart VG_(get_error_string)(e), 360bedfd237fbdc80d0c917cfcb85a94b5561c92633bart p->synchronization_object, 361bedfd237fbdc80d0c917cfcb85a94b5561c92633bart p->hold_time_ms, 362bedfd237fbdc80d0c917cfcb85a94b5561c92633bart p->threshold_ms); 363bedfd237fbdc80d0c917cfcb85a94b5561c92633bart VG_(pp_ExeContext)(VG_(get_error_where)(e)); 364bedfd237fbdc80d0c917cfcb85a94b5561c92633bart first_observed(p->synchronization_object); 365bedfd237fbdc80d0c917cfcb85a94b5561c92633bart break; 366bedfd237fbdc80d0c917cfcb85a94b5561c92633bart } 367bedfd237fbdc80d0c917cfcb85a94b5561c92633bart case GenericErr: { 368bedfd237fbdc80d0c917cfcb85a94b5561c92633bart //GenericErrInfo* gei =(GenericErrInfo*)(VG_(get_error_extra)(e)); 3691e29ebcf5a0d5d29434d112bda3a584b4a3f8066sewardj VG_(message)(Vg_UserMsg, "%s\n", VG_(get_error_string)(e)); 370bedfd237fbdc80d0c917cfcb85a94b5561c92633bart VG_(pp_ExeContext)(VG_(get_error_where)(e)); 371bedfd237fbdc80d0c917cfcb85a94b5561c92633bart break; 372bedfd237fbdc80d0c917cfcb85a94b5561c92633bart } 373b48bde21f5107f74335b88cacee76c556ae22aa7bart case InvalidThreadId: { 374b48bde21f5107f74335b88cacee76c556ae22aa7bart InvalidThreadIdInfo* iti =(InvalidThreadIdInfo*)(VG_(get_error_extra)(e)); 375b48bde21f5107f74335b88cacee76c556ae22aa7bart VG_(message)(Vg_UserMsg, 376b48bde21f5107f74335b88cacee76c556ae22aa7bart "%s 0x%llx\n", VG_(get_error_string)(e), iti->ptid); 377b48bde21f5107f74335b88cacee76c556ae22aa7bart VG_(pp_ExeContext)(VG_(get_error_where)(e)); 378b48bde21f5107f74335b88cacee76c556ae22aa7bart break; 379b48bde21f5107f74335b88cacee76c556ae22aa7bart } 380bedfd237fbdc80d0c917cfcb85a94b5561c92633bart default: 381d2c5eae561040706a7eb45c0f3988dcd538c8d7ebart VG_(message)(Vg_UserMsg, 3821e29ebcf5a0d5d29434d112bda3a584b4a3f8066sewardj "%s\n", 383bedfd237fbdc80d0c917cfcb85a94b5561c92633bart VG_(get_error_string)(e)); 384bedfd237fbdc80d0c917cfcb85a94b5561c92633bart VG_(pp_ExeContext)(VG_(get_error_where)(e)); 385bedfd237fbdc80d0c917cfcb85a94b5561c92633bart break; 386bedfd237fbdc80d0c917cfcb85a94b5561c92633bart } 387af44c8236f7a73e71b16b707bba56f33af4d01cesewardj} 388af44c8236f7a73e71b16b707bba56f33af4d01cesewardj 389d2c5eae561040706a7eb45c0f3988dcd538c8d7ebartstatic UInt drd_tool_error_update_extra(Error* e) 390af44c8236f7a73e71b16b707bba56f33af4d01cesewardj{ 391bedfd237fbdc80d0c917cfcb85a94b5561c92633bart switch (VG_(get_error_kind)(e)) 392bedfd237fbdc80d0c917cfcb85a94b5561c92633bart { 393bedfd237fbdc80d0c917cfcb85a94b5561c92633bart case DataRaceErr: 394bedfd237fbdc80d0c917cfcb85a94b5561c92633bart return sizeof(DataRaceErrInfo); 395bedfd237fbdc80d0c917cfcb85a94b5561c92633bart case MutexErr: 396bedfd237fbdc80d0c917cfcb85a94b5561c92633bart return sizeof(MutexErrInfo); 397bedfd237fbdc80d0c917cfcb85a94b5561c92633bart case CondErr: 398bedfd237fbdc80d0c917cfcb85a94b5561c92633bart return sizeof(CondErrInfo); 399bedfd237fbdc80d0c917cfcb85a94b5561c92633bart case CondDestrErr: 400bedfd237fbdc80d0c917cfcb85a94b5561c92633bart return sizeof(CondDestrErrInfo); 401bedfd237fbdc80d0c917cfcb85a94b5561c92633bart case CondRaceErr: 402bedfd237fbdc80d0c917cfcb85a94b5561c92633bart return sizeof(CondRaceErrInfo); 403bedfd237fbdc80d0c917cfcb85a94b5561c92633bart case CondWaitErr: 404bedfd237fbdc80d0c917cfcb85a94b5561c92633bart return sizeof(CondWaitErrInfo); 405bedfd237fbdc80d0c917cfcb85a94b5561c92633bart case SemaphoreErr: 406bedfd237fbdc80d0c917cfcb85a94b5561c92633bart return sizeof(SemaphoreErrInfo); 407bedfd237fbdc80d0c917cfcb85a94b5561c92633bart case BarrierErr: 408bedfd237fbdc80d0c917cfcb85a94b5561c92633bart return sizeof(BarrierErrInfo); 409bedfd237fbdc80d0c917cfcb85a94b5561c92633bart case RwlockErr: 410bedfd237fbdc80d0c917cfcb85a94b5561c92633bart return sizeof(RwlockErrInfo); 411bedfd237fbdc80d0c917cfcb85a94b5561c92633bart case HoldtimeErr: 412bedfd237fbdc80d0c917cfcb85a94b5561c92633bart return sizeof(HoldtimeErrInfo); 413bedfd237fbdc80d0c917cfcb85a94b5561c92633bart case GenericErr: 414bedfd237fbdc80d0c917cfcb85a94b5561c92633bart return sizeof(GenericErrInfo); 415b48bde21f5107f74335b88cacee76c556ae22aa7bart case InvalidThreadId: 416b48bde21f5107f74335b88cacee76c556ae22aa7bart return sizeof(InvalidThreadIdInfo); 417bedfd237fbdc80d0c917cfcb85a94b5561c92633bart default: 418bedfd237fbdc80d0c917cfcb85a94b5561c92633bart tl_assert(False); 419bedfd237fbdc80d0c917cfcb85a94b5561c92633bart break; 420bedfd237fbdc80d0c917cfcb85a94b5561c92633bart } 421af44c8236f7a73e71b16b707bba56f33af4d01cesewardj} 422af44c8236f7a73e71b16b707bba56f33af4d01cesewardj 42361d36ff45485b6b96f443c8bebb1acf26eaff653bart/** 42461d36ff45485b6b96f443c8bebb1acf26eaff653bart * Parse suppression name. 42561d36ff45485b6b96f443c8bebb1acf26eaff653bart * 42661d36ff45485b6b96f443c8bebb1acf26eaff653bart * The suppression types recognized by DRD are the same types as the error 42761d36ff45485b6b96f443c8bebb1acf26eaff653bart * types supported by DRD. So try to match the suppression name against the 42861d36ff45485b6b96f443c8bebb1acf26eaff653bart * names of DRD error types. 42961d36ff45485b6b96f443c8bebb1acf26eaff653bart */ 43061d36ff45485b6b96f443c8bebb1acf26eaff653bartstatic Bool drd_is_recognized_suppression(Char* const name, Supp* const supp) 431af44c8236f7a73e71b16b707bba56f33af4d01cesewardj{ 43261d36ff45485b6b96f443c8bebb1acf26eaff653bart DrdErrorKind skind = 0; 433bedfd237fbdc80d0c917cfcb85a94b5561c92633bart 434bedfd237fbdc80d0c917cfcb85a94b5561c92633bart if (VG_(strcmp)(name, STR_DataRaceErr) == 0) 43561d36ff45485b6b96f443c8bebb1acf26eaff653bart skind = DataRaceErr; 436bedfd237fbdc80d0c917cfcb85a94b5561c92633bart else if (VG_(strcmp)(name, STR_MutexErr) == 0) 43761d36ff45485b6b96f443c8bebb1acf26eaff653bart skind = MutexErr; 438bedfd237fbdc80d0c917cfcb85a94b5561c92633bart else if (VG_(strcmp)(name, STR_CondErr) == 0) 43961d36ff45485b6b96f443c8bebb1acf26eaff653bart skind = CondErr; 440bedfd237fbdc80d0c917cfcb85a94b5561c92633bart else if (VG_(strcmp)(name, STR_CondDestrErr) == 0) 44161d36ff45485b6b96f443c8bebb1acf26eaff653bart skind = CondDestrErr; 442bedfd237fbdc80d0c917cfcb85a94b5561c92633bart else if (VG_(strcmp)(name, STR_CondRaceErr) == 0) 44361d36ff45485b6b96f443c8bebb1acf26eaff653bart skind = CondRaceErr; 444bedfd237fbdc80d0c917cfcb85a94b5561c92633bart else if (VG_(strcmp)(name, STR_CondWaitErr) == 0) 44561d36ff45485b6b96f443c8bebb1acf26eaff653bart skind = CondWaitErr; 446bedfd237fbdc80d0c917cfcb85a94b5561c92633bart else if (VG_(strcmp)(name, STR_SemaphoreErr) == 0) 44761d36ff45485b6b96f443c8bebb1acf26eaff653bart skind = SemaphoreErr; 448bedfd237fbdc80d0c917cfcb85a94b5561c92633bart else if (VG_(strcmp)(name, STR_BarrierErr) == 0) 44961d36ff45485b6b96f443c8bebb1acf26eaff653bart skind = BarrierErr; 450bedfd237fbdc80d0c917cfcb85a94b5561c92633bart else if (VG_(strcmp)(name, STR_RwlockErr) == 0) 45161d36ff45485b6b96f443c8bebb1acf26eaff653bart skind = RwlockErr; 452bedfd237fbdc80d0c917cfcb85a94b5561c92633bart else if (VG_(strcmp)(name, STR_HoldtimeErr) == 0) 45361d36ff45485b6b96f443c8bebb1acf26eaff653bart skind = HoldtimeErr; 454bedfd237fbdc80d0c917cfcb85a94b5561c92633bart else if (VG_(strcmp)(name, STR_GenericErr) == 0) 45561d36ff45485b6b96f443c8bebb1acf26eaff653bart skind = GenericErr; 456b48bde21f5107f74335b88cacee76c556ae22aa7bart else if (VG_(strcmp)(name, STR_InvalidThreadId) == 0) 457b48bde21f5107f74335b88cacee76c556ae22aa7bart skind = InvalidThreadId; 458bedfd237fbdc80d0c917cfcb85a94b5561c92633bart else 459bedfd237fbdc80d0c917cfcb85a94b5561c92633bart return False; 460bedfd237fbdc80d0c917cfcb85a94b5561c92633bart 461bedfd237fbdc80d0c917cfcb85a94b5561c92633bart VG_(set_supp_kind)(supp, skind); 462bedfd237fbdc80d0c917cfcb85a94b5561c92633bart return True; 463af44c8236f7a73e71b16b707bba56f33af4d01cesewardj} 464af44c8236f7a73e71b16b707bba56f33af4d01cesewardj 46561d36ff45485b6b96f443c8bebb1acf26eaff653bart/** 46661d36ff45485b6b96f443c8bebb1acf26eaff653bart * Read additional suppression information from the suppression file. 46761d36ff45485b6b96f443c8bebb1acf26eaff653bart * 46861d36ff45485b6b96f443c8bebb1acf26eaff653bart * None of the suppression patterns recognized by DRD has 'extra' lines 46961d36ff45485b6b96f443c8bebb1acf26eaff653bart * of information in the suppression file, so just return True to indicate 47061d36ff45485b6b96f443c8bebb1acf26eaff653bart * that reading the 'extra' lines succeeded. 47161d36ff45485b6b96f443c8bebb1acf26eaff653bart */ 472246fbf2655328fc150e528b701223b7a1eafe471bartstatic 47361d36ff45485b6b96f443c8bebb1acf26eaff653bartBool drd_read_extra_suppression_info(Int fd, Char** bufpp, 47461d36ff45485b6b96f443c8bebb1acf26eaff653bart SizeT* nBufp, Supp* supp) 475af44c8236f7a73e71b16b707bba56f33af4d01cesewardj{ 476bedfd237fbdc80d0c917cfcb85a94b5561c92633bart return True; 477af44c8236f7a73e71b16b707bba56f33af4d01cesewardj} 478af44c8236f7a73e71b16b707bba56f33af4d01cesewardj 47961d36ff45485b6b96f443c8bebb1acf26eaff653bart/** 48061d36ff45485b6b96f443c8bebb1acf26eaff653bart * Determine whether or not the types of the given error message and the 48161d36ff45485b6b96f443c8bebb1acf26eaff653bart * given suppression match. 48261d36ff45485b6b96f443c8bebb1acf26eaff653bart */ 48361d36ff45485b6b96f443c8bebb1acf26eaff653bartstatic Bool drd_error_matches_suppression(Error* const e, Supp* const supp) 484af44c8236f7a73e71b16b707bba56f33af4d01cesewardj{ 48561d36ff45485b6b96f443c8bebb1acf26eaff653bart return VG_(get_supp_kind)(supp) == VG_(get_error_kind)(e); 486af44c8236f7a73e71b16b707bba56f33af4d01cesewardj} 487af44c8236f7a73e71b16b707bba56f33af4d01cesewardj 48861d36ff45485b6b96f443c8bebb1acf26eaff653bartstatic Char* drd_get_error_name(Error* e) 489af44c8236f7a73e71b16b707bba56f33af4d01cesewardj{ 490bedfd237fbdc80d0c917cfcb85a94b5561c92633bart switch (VG_(get_error_kind)(e)) 491bedfd237fbdc80d0c917cfcb85a94b5561c92633bart { 492bedfd237fbdc80d0c917cfcb85a94b5561c92633bart case DataRaceErr: return VGAPPEND(STR_, DataRaceErr); 493bedfd237fbdc80d0c917cfcb85a94b5561c92633bart case MutexErr: return VGAPPEND(STR_, MutexErr); 494bedfd237fbdc80d0c917cfcb85a94b5561c92633bart case CondErr: return VGAPPEND(STR_, CondErr); 495bedfd237fbdc80d0c917cfcb85a94b5561c92633bart case CondDestrErr: return VGAPPEND(STR_, CondDestrErr); 496bedfd237fbdc80d0c917cfcb85a94b5561c92633bart case CondRaceErr: return VGAPPEND(STR_, CondRaceErr); 497bedfd237fbdc80d0c917cfcb85a94b5561c92633bart case CondWaitErr: return VGAPPEND(STR_, CondWaitErr); 498bedfd237fbdc80d0c917cfcb85a94b5561c92633bart case SemaphoreErr: return VGAPPEND(STR_, SemaphoreErr); 499bedfd237fbdc80d0c917cfcb85a94b5561c92633bart case BarrierErr: return VGAPPEND(STR_, BarrierErr); 500bedfd237fbdc80d0c917cfcb85a94b5561c92633bart case RwlockErr: return VGAPPEND(STR_, RwlockErr); 501bedfd237fbdc80d0c917cfcb85a94b5561c92633bart case HoldtimeErr: return VGAPPEND(STR_, HoldtimeErr); 502bedfd237fbdc80d0c917cfcb85a94b5561c92633bart case GenericErr: return VGAPPEND(STR_, GenericErr); 503b48bde21f5107f74335b88cacee76c556ae22aa7bart case InvalidThreadId: return VGAPPEND(STR_, InvalidThreadId); 504bedfd237fbdc80d0c917cfcb85a94b5561c92633bart default: 505bedfd237fbdc80d0c917cfcb85a94b5561c92633bart tl_assert(0); 506bedfd237fbdc80d0c917cfcb85a94b5561c92633bart } 507bedfd237fbdc80d0c917cfcb85a94b5561c92633bart return 0; 508af44c8236f7a73e71b16b707bba56f33af4d01cesewardj} 509af44c8236f7a73e71b16b707bba56f33af4d01cesewardj 51061d36ff45485b6b96f443c8bebb1acf26eaff653bart/** 51161d36ff45485b6b96f443c8bebb1acf26eaff653bart * Print extra suppression information. 51261d36ff45485b6b96f443c8bebb1acf26eaff653bart * 51361d36ff45485b6b96f443c8bebb1acf26eaff653bart * Invoked while printing a suppression pattern because the user 51461d36ff45485b6b96f443c8bebb1acf26eaff653bart * specified --gen-suppressions=yes or all on the command line. DRD does not 51561d36ff45485b6b96f443c8bebb1acf26eaff653bart * define any 'extra' suppression information. 51661d36ff45485b6b96f443c8bebb1acf26eaff653bart */ 51761d36ff45485b6b96f443c8bebb1acf26eaff653bartstatic void drd_print_extra_suppression_info(Error* e) 518246fbf2655328fc150e528b701223b7a1eafe471bart{ } 519af44c8236f7a73e71b16b707bba56f33af4d01cesewardj 52061d36ff45485b6b96f443c8bebb1acf26eaff653bart/** Tell the Valgrind core about DRD's error handlers. */ 5211335ecca5095dea85be94095885082b80573df8cbartvoid DRD_(register_error_handlers)(void) 522af44c8236f7a73e71b16b707bba56f33af4d01cesewardj{ 52361d36ff45485b6b96f443c8bebb1acf26eaff653bart VG_(needs_tool_errors)(drd_compare_error_contexts, 5241e29ebcf5a0d5d29434d112bda3a584b4a3f8066sewardj drd_tool_error_before_pp, 525bedfd237fbdc80d0c917cfcb85a94b5561c92633bart drd_tool_error_pp, 526d45d99553c15a361bb797d21ec6afb9bad22d2d4bart False, 527bedfd237fbdc80d0c917cfcb85a94b5561c92633bart drd_tool_error_update_extra, 52861d36ff45485b6b96f443c8bebb1acf26eaff653bart drd_is_recognized_suppression, 52961d36ff45485b6b96f443c8bebb1acf26eaff653bart drd_read_extra_suppression_info, 53061d36ff45485b6b96f443c8bebb1acf26eaff653bart drd_error_matches_suppression, 53161d36ff45485b6b96f443c8bebb1acf26eaff653bart drd_get_error_name, 53261d36ff45485b6b96f443c8bebb1acf26eaff653bart drd_print_extra_suppression_info); 533af44c8236f7a73e71b16b707bba56f33af4d01cesewardj} 534