1af44c8236f7a73e71b16b707bba56f33af4d01cesewardj/* 286562bd89ac23ce795d19c71fabcb9d1c8f956d3bart This file is part of drd, a thread error detector. 3af44c8236f7a73e71b16b707bba56f33af4d01cesewardj 4ed39800a83baf5bffbe391f3974eb2af0f415f80Elliott Hughes Copyright (C) 2006-2017 Bart Van Assche <bvanassche@acm.org>. 5af44c8236f7a73e71b16b707bba56f33af4d01cesewardj 6af44c8236f7a73e71b16b707bba56f33af4d01cesewardj This program is free software; you can redistribute it and/or 7af44c8236f7a73e71b16b707bba56f33af4d01cesewardj modify it under the terms of the GNU General Public License as 8af44c8236f7a73e71b16b707bba56f33af4d01cesewardj published by the Free Software Foundation; either version 2 of the 9af44c8236f7a73e71b16b707bba56f33af4d01cesewardj License, or (at your option) any later version. 10af44c8236f7a73e71b16b707bba56f33af4d01cesewardj 11af44c8236f7a73e71b16b707bba56f33af4d01cesewardj This program is distributed in the hope that it will be useful, but 12af44c8236f7a73e71b16b707bba56f33af4d01cesewardj WITHOUT ANY WARRANTY; without even the implied warranty of 13af44c8236f7a73e71b16b707bba56f33af4d01cesewardj MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14af44c8236f7a73e71b16b707bba56f33af4d01cesewardj General Public License for more details. 15af44c8236f7a73e71b16b707bba56f33af4d01cesewardj 16af44c8236f7a73e71b16b707bba56f33af4d01cesewardj You should have received a copy of the GNU General Public License 17af44c8236f7a73e71b16b707bba56f33af4d01cesewardj along with this program; if not, write to the Free Software 18af44c8236f7a73e71b16b707bba56f33af4d01cesewardj Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 19af44c8236f7a73e71b16b707bba56f33af4d01cesewardj 02111-1307, USA. 20af44c8236f7a73e71b16b707bba56f33af4d01cesewardj 21af44c8236f7a73e71b16b707bba56f33af4d01cesewardj The GNU General Public License is contained in the file COPYING. 22af44c8236f7a73e71b16b707bba56f33af4d01cesewardj*/ 23af44c8236f7a73e71b16b707bba56f33af4d01cesewardj 24af44c8236f7a73e71b16b707bba56f33af4d01cesewardj 25886b87c5e1adfa6657d24404283f7b79576e690cbart#include "drd_clientobj.h" /* struct mutex_info */ 26af44c8236f7a73e71b16b707bba56f33af4d01cesewardj#include "drd_error.h" 27af44c8236f7a73e71b16b707bba56f33af4d01cesewardj#include "drd_malloc_wrappers.h" 28886b87c5e1adfa6657d24404283f7b79576e690cbart#include "drd_mutex.h" 29886b87c5e1adfa6657d24404283f7b79576e690cbart#include "drd_suppression.h" /* drd_start_suppression() */ 30886b87c5e1adfa6657d24404283f7b79576e690cbart#include "pub_drd_bitmap.h" /* LHS_W, ... */ 31af44c8236f7a73e71b16b707bba56f33af4d01cesewardj#include "pub_tool_vki.h" 32af44c8236f7a73e71b16b707bba56f33af4d01cesewardj#include "pub_tool_basics.h" 33886b87c5e1adfa6657d24404283f7b79576e690cbart#include "pub_tool_libcassert.h" /* tl_assert() */ 34886b87c5e1adfa6657d24404283f7b79576e690cbart#include "pub_tool_libcbase.h" /* strlen() */ 35886b87c5e1adfa6657d24404283f7b79576e690cbart#include "pub_tool_libcprint.h" /* VG_(printf)() */ 36af44c8236f7a73e71b16b707bba56f33af4d01cesewardj#include "pub_tool_machine.h" 37886b87c5e1adfa6657d24404283f7b79576e690cbart#include "pub_tool_mallocfree.h" /* VG_(malloc), VG_(free) */ 38b92ff0fd192dd05700f7d20db00795965e20b5c5bart#include "pub_tool_options.h" /* VG_(clo_xml) */ 39886b87c5e1adfa6657d24404283f7b79576e690cbart#include "pub_tool_threadstate.h" /* VG_(get_pthread_id)() */ 40886b87c5e1adfa6657d24404283f7b79576e690cbart#include "pub_tool_tooliface.h" /* VG_(needs_tool_errors)() */ 41af44c8236f7a73e71b16b707bba56f33af4d01cesewardj 42af44c8236f7a73e71b16b707bba56f33af4d01cesewardj 43e7086000dc09e5486e42206ad524fefe09f7cc72bart/* Local function declarations. */ 44e7086000dc09e5486e42206ad524fefe09f7cc72bart 458e3fbb5cd8276a7d07d5712bc05f9b3376d81a6aflorianstatic const HChar* drd_get_error_name(const Error* e); 46e7086000dc09e5486e42206ad524fefe09f7cc72bart 47e7086000dc09e5486e42206ad524fefe09f7cc72bart 4816d76e507231c5edd065cd66b597bf372adbf7a4bart/* Local variables. */ 4916d76e507231c5edd065cd66b597bf372adbf7a4bart 50d2c5eae561040706a7eb45c0f3988dcd538c8d7ebartstatic Bool s_show_conflicting_segments = True; 5116d76e507231c5edd065cd66b597bf372adbf7a4bart 5216d76e507231c5edd065cd66b597bf372adbf7a4bart 53246fbf2655328fc150e528b701223b7a1eafe471bartvoid DRD_(set_show_conflicting_segments)(const Bool scs) 5416d76e507231c5edd065cd66b597bf372adbf7a4bart{ 55bedfd237fbdc80d0c917cfcb85a94b5561c92633bart s_show_conflicting_segments = scs; 5616d76e507231c5edd065cd66b597bf372adbf7a4bart} 5716d76e507231c5edd065cd66b597bf372adbf7a4bart 5819f91bbaedb4caef8a60ce94b0f507193cc0bc10florianvoid DRD_(trace_msg)(const HChar* format, ...) 59b92ff0fd192dd05700f7d20db00795965e20b5c5bart{ 60b92ff0fd192dd05700f7d20db00795965e20b5c5bart va_list vargs; 61b92ff0fd192dd05700f7d20db00795965e20b5c5bart va_start(vargs, format); 62e7086000dc09e5486e42206ad524fefe09f7cc72bart if (VG_(clo_xml)) { 63ad994e885caeb5241cbedf4e47e7821cf164f4e7bart VG_(printf_xml)(" <trace><text>"); 64e7086000dc09e5486e42206ad524fefe09f7cc72bart VG_(vprintf_xml)(format, vargs); 65ad994e885caeb5241cbedf4e47e7821cf164f4e7bart VG_(printf_xml)("</text></trace>\n"); 66e7086000dc09e5486e42206ad524fefe09f7cc72bart } else { 67e7086000dc09e5486e42206ad524fefe09f7cc72bart VG_(vmessage)(Vg_UserMsg, format, vargs); 68ad994e885caeb5241cbedf4e47e7821cf164f4e7bart VG_(message)(Vg_UserMsg, "\n"); 69e7086000dc09e5486e42206ad524fefe09f7cc72bart } 70e7086000dc09e5486e42206ad524fefe09f7cc72bart va_end(vargs); 71e7086000dc09e5486e42206ad524fefe09f7cc72bart} 72e7086000dc09e5486e42206ad524fefe09f7cc72bart 7319f91bbaedb4caef8a60ce94b0f507193cc0bc10florianvoid DRD_(trace_msg_w_bt)(const HChar* format, ...) 74ad994e885caeb5241cbedf4e47e7821cf164f4e7bart{ 75ad994e885caeb5241cbedf4e47e7821cf164f4e7bart va_list vargs; 76ad994e885caeb5241cbedf4e47e7821cf164f4e7bart va_start(vargs, format); 77ad994e885caeb5241cbedf4e47e7821cf164f4e7bart if (VG_(clo_xml)) { 78ad994e885caeb5241cbedf4e47e7821cf164f4e7bart VG_(printf_xml)(" <trace><text>"); 79ad994e885caeb5241cbedf4e47e7821cf164f4e7bart VG_(vprintf_xml)(format, vargs); 80ad994e885caeb5241cbedf4e47e7821cf164f4e7bart VG_(printf_xml)("</text>\n"); 81ad994e885caeb5241cbedf4e47e7821cf164f4e7bart } else { 82ad994e885caeb5241cbedf4e47e7821cf164f4e7bart VG_(vmessage)(Vg_UserMsg, format, vargs); 83ad994e885caeb5241cbedf4e47e7821cf164f4e7bart VG_(message)(Vg_UserMsg, "\n"); 84ad994e885caeb5241cbedf4e47e7821cf164f4e7bart } 85ad994e885caeb5241cbedf4e47e7821cf164f4e7bart VG_(get_and_pp_StackTrace)(VG_(get_running_tid)(), VG_(clo_backtrace_size)); 86ad994e885caeb5241cbedf4e47e7821cf164f4e7bart va_end(vargs); 87ad994e885caeb5241cbedf4e47e7821cf164f4e7bart if (VG_(clo_xml)) 88ad994e885caeb5241cbedf4e47e7821cf164f4e7bart VG_(printf_xml)(" </trace>\n"); 89ad994e885caeb5241cbedf4e47e7821cf164f4e7bart} 90ad994e885caeb5241cbedf4e47e7821cf164f4e7bart 91e7086000dc09e5486e42206ad524fefe09f7cc72bart/** 92e7086000dc09e5486e42206ad524fefe09f7cc72bart * Emit error message detail in the format requested by the user. 93e7086000dc09e5486e42206ad524fefe09f7cc72bart */ 9419f91bbaedb4caef8a60ce94b0f507193cc0bc10florianstatic void print_err_detail(const HChar* format, ...) PRINTF_CHECK(1, 2); 9519f91bbaedb4caef8a60ce94b0f507193cc0bc10florianstatic void print_err_detail(const HChar* format, ...) 96e7086000dc09e5486e42206ad524fefe09f7cc72bart{ 97e7086000dc09e5486e42206ad524fefe09f7cc72bart va_list vargs; 98e7086000dc09e5486e42206ad524fefe09f7cc72bart va_start(vargs, format); 99e7086000dc09e5486e42206ad524fefe09f7cc72bart if (VG_(clo_xml)) 100e7086000dc09e5486e42206ad524fefe09f7cc72bart VG_(vprintf_xml)(format, vargs); 101e7086000dc09e5486e42206ad524fefe09f7cc72bart else 102e7086000dc09e5486e42206ad524fefe09f7cc72bart VG_(vmessage)(Vg_UserMsg, format, vargs); 103b92ff0fd192dd05700f7d20db00795965e20b5c5bart va_end(vargs); 104b92ff0fd192dd05700f7d20db00795965e20b5c5bart} 105b92ff0fd192dd05700f7d20db00795965e20b5c5bart 106246fbf2655328fc150e528b701223b7a1eafe471bart/** 10761d36ff45485b6b96f443c8bebb1acf26eaff653bart * Describe the client address a as good as possible, putting the result in ai. 108886b87c5e1adfa6657d24404283f7b79576e690cbart */ 109ff1252ae10754371ac3428fdf8d7704c39acc23dbartstatic 11061d36ff45485b6b96f443c8bebb1acf26eaff653bartvoid describe_malloced_addr(Addr const a, AddrInfo* const ai) 111af44c8236f7a73e71b16b707bba56f33af4d01cesewardj{ 11261d36ff45485b6b96f443c8bebb1acf26eaff653bart Addr heap_block_start; 113bedfd237fbdc80d0c917cfcb85a94b5561c92633bart 11461d36ff45485b6b96f443c8bebb1acf26eaff653bart if (DRD_(heap_addrinfo)(a, &heap_block_start, &ai->size, &ai->lastchange)) 115bedfd237fbdc80d0c917cfcb85a94b5561c92633bart { 116bedfd237fbdc80d0c917cfcb85a94b5561c92633bart ai->akind = eMallocd; 11761d36ff45485b6b96f443c8bebb1acf26eaff653bart ai->rwoffset = a - heap_block_start; 118bedfd237fbdc80d0c917cfcb85a94b5561c92633bart } 119bedfd237fbdc80d0c917cfcb85a94b5561c92633bart else 120bedfd237fbdc80d0c917cfcb85a94b5561c92633bart { 121bedfd237fbdc80d0c917cfcb85a94b5561c92633bart ai->akind = eUnknown; 122bedfd237fbdc80d0c917cfcb85a94b5561c92633bart } 123af44c8236f7a73e71b16b707bba56f33af4d01cesewardj} 124af44c8236f7a73e71b16b707bba56f33af4d01cesewardj 125246fbf2655328fc150e528b701223b7a1eafe471bart/** 12661d36ff45485b6b96f443c8bebb1acf26eaff653bart * Report where a client synchronization object has been observed for the first 12761d36ff45485b6b96f443c8bebb1acf26eaff653bart * time. The printed call stack will either refer to a pthread_*_init() or a 12861d36ff45485b6b96f443c8bebb1acf26eaff653bart * pthread_*lock() call. 129886b87c5e1adfa6657d24404283f7b79576e690cbart */ 130d2c5eae561040706a7eb45c0f3988dcd538c8d7ebartstatic void first_observed(const Addr obj) 131886b87c5e1adfa6657d24404283f7b79576e690cbart{ 132bedfd237fbdc80d0c917cfcb85a94b5561c92633bart DrdClientobj* cl; 133bedfd237fbdc80d0c917cfcb85a94b5561c92633bart 134bedfd237fbdc80d0c917cfcb85a94b5561c92633bart cl = DRD_(clientobj_get_any)(obj); 135e7086000dc09e5486e42206ad524fefe09f7cc72bart if (cl) { 136bedfd237fbdc80d0c917cfcb85a94b5561c92633bart tl_assert(cl->any.first_observed_at); 137e7086000dc09e5486e42206ad524fefe09f7cc72bart if (VG_(clo_xml)) { 138e7086000dc09e5486e42206ad524fefe09f7cc72bart print_err_detail(" <first_observed_at>\n" 139e7086000dc09e5486e42206ad524fefe09f7cc72bart " <what>%pS</what>\n" 140e7086000dc09e5486e42206ad524fefe09f7cc72bart " <address>0x%lx</address>\n", 141e7086000dc09e5486e42206ad524fefe09f7cc72bart DRD_(clientobj_type_name)(cl->any.type), obj); 142e7086000dc09e5486e42206ad524fefe09f7cc72bart VG_(pp_ExeContext)(cl->any.first_observed_at); 143e7086000dc09e5486e42206ad524fefe09f7cc72bart print_err_detail(" </first_observed_at>\n"); 144e7086000dc09e5486e42206ad524fefe09f7cc72bart } else { 145e7086000dc09e5486e42206ad524fefe09f7cc72bart print_err_detail("%s 0x%lx was first observed at:\n", 146e7086000dc09e5486e42206ad524fefe09f7cc72bart DRD_(clientobj_type_name)(cl->any.type), obj); 147e7086000dc09e5486e42206ad524fefe09f7cc72bart VG_(pp_ExeContext)(cl->any.first_observed_at); 148e7086000dc09e5486e42206ad524fefe09f7cc72bart } 149bedfd237fbdc80d0c917cfcb85a94b5561c92633bart } 150886b87c5e1adfa6657d24404283f7b79576e690cbart} 151886b87c5e1adfa6657d24404283f7b79576e690cbart 152af44c8236f7a73e71b16b707bba56f33af4d01cesewardjstatic 1538e3fbb5cd8276a7d07d5712bc05f9b3376d81a6aflorianvoid drd_report_data_race(const Error* const err, 1548e3fbb5cd8276a7d07d5712bc05f9b3376d81a6aflorian const DataRaceErrInfo* const dri) 155af44c8236f7a73e71b16b707bba56f33af4d01cesewardj{ 156e7086000dc09e5486e42206ad524fefe09f7cc72bart const Bool xml = VG_(clo_xml); 15719f91bbaedb4caef8a60ce94b0f507193cc0bc10florian const HChar* const what_prefix = xml ? " <what>" : ""; 15819f91bbaedb4caef8a60ce94b0f507193cc0bc10florian const HChar* const what_suffix = xml ? "</what>" : ""; 15919f91bbaedb4caef8a60ce94b0f507193cc0bc10florian const HChar* const auxwhat_prefix = xml ? " <auxwhat>" : ""; 16019f91bbaedb4caef8a60ce94b0f507193cc0bc10florian const HChar* const auxwhat_suffix = xml ? "</auxwhat>" : ""; 16119f91bbaedb4caef8a60ce94b0f507193cc0bc10florian const HChar* const indent = xml ? " " : ""; 162bedfd237fbdc80d0c917cfcb85a94b5561c92633bart AddrInfo ai; 1631e29ebcf5a0d5d29434d112bda3a584b4a3f8066sewardj 1641e29ebcf5a0d5d29434d112bda3a584b4a3f8066sewardj XArray* /* of HChar */ descr1 1651e29ebcf5a0d5d29434d112bda3a584b4a3f8066sewardj = VG_(newXA)( VG_(malloc), "drd.error.drdr2.1", 1661e29ebcf5a0d5d29434d112bda3a584b4a3f8066sewardj VG_(free), sizeof(HChar) ); 1671e29ebcf5a0d5d29434d112bda3a584b4a3f8066sewardj XArray* /* of HChar */ descr2 1681e29ebcf5a0d5d29434d112bda3a584b4a3f8066sewardj = VG_(newXA)( VG_(malloc), "drd.error.drdr2.2", 1691e29ebcf5a0d5d29434d112bda3a584b4a3f8066sewardj VG_(free), sizeof(HChar) ); 170bedfd237fbdc80d0c917cfcb85a94b5561c92633bart 171bedfd237fbdc80d0c917cfcb85a94b5561c92633bart tl_assert(dri); 172bedfd237fbdc80d0c917cfcb85a94b5561c92633bart tl_assert(dri->addr); 173bedfd237fbdc80d0c917cfcb85a94b5561c92633bart tl_assert(dri->size > 0); 174bedfd237fbdc80d0c917cfcb85a94b5561c92633bart 1751e29ebcf5a0d5d29434d112bda3a584b4a3f8066sewardj (void) VG_(get_data_description)(descr1, descr2, dri->addr); 176ad4e979f408239dabbaae955d8ffcb84a51a5c85florian /* If there's nothing in descr1/2, free them. Why is it safe to 1771e29ebcf5a0d5d29434d112bda3a584b4a3f8066sewardj VG_(indexXA) at zero here? Because VG_(get_data_description) 1781e29ebcf5a0d5d29434d112bda3a584b4a3f8066sewardj guarantees to zero terminate descr1/2 regardless of the outcome 1791e29ebcf5a0d5d29434d112bda3a584b4a3f8066sewardj of the call. So there's always at least one element in each XA 1801e29ebcf5a0d5d29434d112bda3a584b4a3f8066sewardj after the call. 1811e29ebcf5a0d5d29434d112bda3a584b4a3f8066sewardj */ 1821e29ebcf5a0d5d29434d112bda3a584b4a3f8066sewardj if (0 == VG_(strlen)( VG_(indexXA)( descr1, 0 ))) { 1831e29ebcf5a0d5d29434d112bda3a584b4a3f8066sewardj VG_(deleteXA)( descr1 ); 1841e29ebcf5a0d5d29434d112bda3a584b4a3f8066sewardj descr1 = NULL; 1851e29ebcf5a0d5d29434d112bda3a584b4a3f8066sewardj } 1861e29ebcf5a0d5d29434d112bda3a584b4a3f8066sewardj if (0 == VG_(strlen)( VG_(indexXA)( descr2, 0 ))) { 1871e29ebcf5a0d5d29434d112bda3a584b4a3f8066sewardj VG_(deleteXA)( descr2 ); 1881e29ebcf5a0d5d29434d112bda3a584b4a3f8066sewardj descr2 = NULL; 1891e29ebcf5a0d5d29434d112bda3a584b4a3f8066sewardj } 1901e29ebcf5a0d5d29434d112bda3a584b4a3f8066sewardj /* Assume (assert) that VG_(get_data_description) fills in descr1 1911e29ebcf5a0d5d29434d112bda3a584b4a3f8066sewardj before it fills in descr2 */ 1921e29ebcf5a0d5d29434d112bda3a584b4a3f8066sewardj if (descr1 == NULL) 1931e29ebcf5a0d5d29434d112bda3a584b4a3f8066sewardj tl_assert(descr2 == NULL); 1941e29ebcf5a0d5d29434d112bda3a584b4a3f8066sewardj /* So anyway. Do we have something useful? */ 1951e29ebcf5a0d5d29434d112bda3a584b4a3f8066sewardj if (descr1 == NULL) 196bedfd237fbdc80d0c917cfcb85a94b5561c92633bart { 1971e29ebcf5a0d5d29434d112bda3a584b4a3f8066sewardj /* No. Do Plan B. */ 19861d36ff45485b6b96f443c8bebb1acf26eaff653bart describe_malloced_addr(dri->addr, &ai); 199bedfd237fbdc80d0c917cfcb85a94b5561c92633bart } 200e7086000dc09e5486e42206ad524fefe09f7cc72bart 201ea71ffb08eccc0869c5b9421160fef4052e35c23florian print_err_detail("%sConflicting %s by thread %u at 0x%08lx size %lu%s\n", 202e7086000dc09e5486e42206ad524fefe09f7cc72bart what_prefix, dri->access_type == eStore ? "store" : "load", 203e7086000dc09e5486e42206ad524fefe09f7cc72bart dri->tid, dri->addr, dri->size, what_suffix); 204e7086000dc09e5486e42206ad524fefe09f7cc72bart 205bedfd237fbdc80d0c917cfcb85a94b5561c92633bart VG_(pp_ExeContext)(VG_(get_error_where)(err)); 206e7086000dc09e5486e42206ad524fefe09f7cc72bart if (descr1 != NULL) { 207e7086000dc09e5486e42206ad524fefe09f7cc72bart print_err_detail("%s%s\n", indent, (HChar*)VG_(indexXA)(descr1, 0)); 2081e29ebcf5a0d5d29434d112bda3a584b4a3f8066sewardj if (descr2 != NULL) 209e7086000dc09e5486e42206ad524fefe09f7cc72bart print_err_detail("%s%s\n", indent, (HChar*)VG_(indexXA)(descr2, 0)); 210e7086000dc09e5486e42206ad524fefe09f7cc72bart } else if (ai.akind == eMallocd && ai.lastchange) { 211ca7285e0c5651f184579a665d5e5fae970759fb0bart print_err_detail("%sAddress 0x%lx is at offset %ld from 0x%lx.%s%s", 212ca7285e0c5651f184579a665d5e5fae970759fb0bart auxwhat_prefix, dri->addr, ai.rwoffset, 213ca7285e0c5651f184579a665d5e5fae970759fb0bart dri->addr - ai.rwoffset, auxwhat_suffix, 214ca7285e0c5651f184579a665d5e5fae970759fb0bart xml ? "\n" : ""); 215e7086000dc09e5486e42206ad524fefe09f7cc72bart if (xml) 216ca7285e0c5651f184579a665d5e5fae970759fb0bart print_err_detail(" <allocation_context>\n"); 217e7086000dc09e5486e42206ad524fefe09f7cc72bart else 218e7086000dc09e5486e42206ad524fefe09f7cc72bart print_err_detail(" Allocation context:\n"); 219bedfd237fbdc80d0c917cfcb85a94b5561c92633bart VG_(pp_ExeContext)(ai.lastchange); 220e7086000dc09e5486e42206ad524fefe09f7cc72bart if (xml) 221ca7285e0c5651f184579a665d5e5fae970759fb0bart print_err_detail(" </allocation_context>\n"); 222e7086000dc09e5486e42206ad524fefe09f7cc72bart } else { 223e08950b4ce5a3f5d75a7279548f975cd6207dc74florian const HChar *sect_name; 224bedfd237fbdc80d0c917cfcb85a94b5561c92633bart VgSectKind sect_kind; 225bedfd237fbdc80d0c917cfcb85a94b5561c92633bart 226e08950b4ce5a3f5d75a7279548f975cd6207dc74florian sect_kind = VG_(DebugInfo_sect_kind)(§_name, dri->addr); 227ca7285e0c5651f184579a665d5e5fae970759fb0bart if (sect_kind != Vg_SectUnknown) { 228ca7285e0c5651f184579a665d5e5fae970759fb0bart print_err_detail("%sAllocation context: %ps section of %ps%s\n", 229ca7285e0c5651f184579a665d5e5fae970759fb0bart auxwhat_prefix, VG_(pp_SectKind)(sect_kind), 230ca7285e0c5651f184579a665d5e5fae970759fb0bart sect_name, auxwhat_suffix); 231e7086000dc09e5486e42206ad524fefe09f7cc72bart } else { 232ca7285e0c5651f184579a665d5e5fae970759fb0bart print_err_detail("%sAllocation context: unknown.%s\n", 233ca7285e0c5651f184579a665d5e5fae970759fb0bart auxwhat_prefix, auxwhat_suffix); 234bedfd237fbdc80d0c917cfcb85a94b5561c92633bart } 235bedfd237fbdc80d0c917cfcb85a94b5561c92633bart } 236bedfd237fbdc80d0c917cfcb85a94b5561c92633bart if (s_show_conflicting_segments) 237bedfd237fbdc80d0c917cfcb85a94b5561c92633bart { 238bedfd237fbdc80d0c917cfcb85a94b5561c92633bart DRD_(thread_report_conflicting_segments)(dri->tid, 239bedfd237fbdc80d0c917cfcb85a94b5561c92633bart dri->addr, dri->size, 240bedfd237fbdc80d0c917cfcb85a94b5561c92633bart dri->access_type); 241bedfd237fbdc80d0c917cfcb85a94b5561c92633bart } 242bedfd237fbdc80d0c917cfcb85a94b5561c92633bart 2431e29ebcf5a0d5d29434d112bda3a584b4a3f8066sewardj if (descr2) 2441e29ebcf5a0d5d29434d112bda3a584b4a3f8066sewardj VG_(deleteXA)(descr2); 2451e29ebcf5a0d5d29434d112bda3a584b4a3f8066sewardj if (descr1) 2461e29ebcf5a0d5d29434d112bda3a584b4a3f8066sewardj VG_(deleteXA)(descr1); 247af44c8236f7a73e71b16b707bba56f33af4d01cesewardj} 248af44c8236f7a73e71b16b707bba56f33af4d01cesewardj 24961d36ff45485b6b96f443c8bebb1acf26eaff653bart/** 25061d36ff45485b6b96f443c8bebb1acf26eaff653bart * Compare two error contexts. The core function VG_(maybe_record_error)() 25161d36ff45485b6b96f443c8bebb1acf26eaff653bart * calls this function to compare error contexts such that errors that occur 25231b983d29affe6c30a2283be8824c6d75c74d848bart * repeatedly are only printed once. This function is only called by the core 25361d36ff45485b6b96f443c8bebb1acf26eaff653bart * if the error kind of e1 and e2 matches and if the ExeContext's of e1 and 25461d36ff45485b6b96f443c8bebb1acf26eaff653bart * e2 also match. 25561d36ff45485b6b96f443c8bebb1acf26eaff653bart */ 2568e3fbb5cd8276a7d07d5712bc05f9b3376d81a6aflorianstatic Bool drd_compare_error_contexts(VgRes res, const Error* e1, 2578e3fbb5cd8276a7d07d5712bc05f9b3376d81a6aflorian const Error* e2) 258af44c8236f7a73e71b16b707bba56f33af4d01cesewardj{ 259b80fa96a0202fd61a7c37d8fdc7c0bd2a9ffecacbart tl_assert(VG_(get_error_kind)(e1) == VG_(get_error_kind)(e2)); 260b80fa96a0202fd61a7c37d8fdc7c0bd2a9ffecacbart 261b80fa96a0202fd61a7c37d8fdc7c0bd2a9ffecacbart switch (VG_(get_error_kind)(e1)) 262b80fa96a0202fd61a7c37d8fdc7c0bd2a9ffecacbart { 263b80fa96a0202fd61a7c37d8fdc7c0bd2a9ffecacbart case DataRaceErr: 264b80fa96a0202fd61a7c37d8fdc7c0bd2a9ffecacbart { 265b80fa96a0202fd61a7c37d8fdc7c0bd2a9ffecacbart const DataRaceErrInfo* const dri1 = VG_(get_error_extra)(e1); 266b80fa96a0202fd61a7c37d8fdc7c0bd2a9ffecacbart const DataRaceErrInfo* const dri2 = VG_(get_error_extra)(e2); 267b80fa96a0202fd61a7c37d8fdc7c0bd2a9ffecacbart return dri1->access_type == dri2->access_type 268b80fa96a0202fd61a7c37d8fdc7c0bd2a9ffecacbart && dri1->size == dri2->size; 269b80fa96a0202fd61a7c37d8fdc7c0bd2a9ffecacbart } 27094fb8d242689282bf78062ca4756edded011a54dbart case MutexErr: 27194fb8d242689282bf78062ca4756edded011a54dbart { 27294fb8d242689282bf78062ca4756edded011a54dbart const MutexErrInfo* const mei1 = VG_(get_error_extra)(e1); 27394fb8d242689282bf78062ca4756edded011a54dbart const MutexErrInfo* const mei2 = VG_(get_error_extra)(e2); 27494fb8d242689282bf78062ca4756edded011a54dbart return mei1->mutex == mei2->mutex; 27594fb8d242689282bf78062ca4756edded011a54dbart } 276b80fa96a0202fd61a7c37d8fdc7c0bd2a9ffecacbart default: 277b80fa96a0202fd61a7c37d8fdc7c0bd2a9ffecacbart return True; 278b80fa96a0202fd61a7c37d8fdc7c0bd2a9ffecacbart } 279af44c8236f7a73e71b16b707bba56f33af4d01cesewardj} 280af44c8236f7a73e71b16b707bba56f33af4d01cesewardj 28161d36ff45485b6b96f443c8bebb1acf26eaff653bart/** 28261d36ff45485b6b96f443c8bebb1acf26eaff653bart * Called by the core just before an error message will be printed. Used by 28361d36ff45485b6b96f443c8bebb1acf26eaff653bart * DRD to print the thread number as a preamble. 28461d36ff45485b6b96f443c8bebb1acf26eaff653bart */ 2858e3fbb5cd8276a7d07d5712bc05f9b3376d81a6aflorianstatic void drd_tool_error_before_pp(const Error* const e) 2861e29ebcf5a0d5d29434d112bda3a584b4a3f8066sewardj{ 287d45d99553c15a361bb797d21ec6afb9bad22d2d4bart static DrdThreadId s_last_tid_printed = 1; 288d45d99553c15a361bb797d21ec6afb9bad22d2d4bart DrdThreadId* err_extra; 289d45d99553c15a361bb797d21ec6afb9bad22d2d4bart 290d45d99553c15a361bb797d21ec6afb9bad22d2d4bart err_extra = VG_(get_error_extra)(e); 291d45d99553c15a361bb797d21ec6afb9bad22d2d4bart 292e7086000dc09e5486e42206ad524fefe09f7cc72bart if (err_extra && *err_extra != s_last_tid_printed && !VG_(clo_xml)) { 2931e29ebcf5a0d5d29434d112bda3a584b4a3f8066sewardj VG_(umsg)("%s:\n", DRD_(thread_get_name)(*err_extra)); 294d45d99553c15a361bb797d21ec6afb9bad22d2d4bart s_last_tid_printed = *err_extra; 295d45d99553c15a361bb797d21ec6afb9bad22d2d4bart } 29661d36ff45485b6b96f443c8bebb1acf26eaff653bart} 297d45d99553c15a361bb797d21ec6afb9bad22d2d4bart 29861d36ff45485b6b96f443c8bebb1acf26eaff653bart/** Report an error to the user. */ 2998e3fbb5cd8276a7d07d5712bc05f9b3376d81a6aflorianstatic void drd_tool_error_pp(const Error* const e) 30061d36ff45485b6b96f443c8bebb1acf26eaff653bart{ 301e7086000dc09e5486e42206ad524fefe09f7cc72bart const Bool xml = VG_(clo_xml); 30219f91bbaedb4caef8a60ce94b0f507193cc0bc10florian const HChar* const what_prefix = xml ? " <what>" : ""; 30319f91bbaedb4caef8a60ce94b0f507193cc0bc10florian const HChar* const what_suffix = xml ? "</what>" : ""; 304e7086000dc09e5486e42206ad524fefe09f7cc72bart 305e7086000dc09e5486e42206ad524fefe09f7cc72bart if (xml) 306e7086000dc09e5486e42206ad524fefe09f7cc72bart VG_(printf_xml)( " <kind>%pS</kind>\n", drd_get_error_name(e)); 307e7086000dc09e5486e42206ad524fefe09f7cc72bart 308bedfd237fbdc80d0c917cfcb85a94b5561c92633bart switch (VG_(get_error_kind)(e)) 309bedfd237fbdc80d0c917cfcb85a94b5561c92633bart { 310bedfd237fbdc80d0c917cfcb85a94b5561c92633bart case DataRaceErr: { 311bedfd237fbdc80d0c917cfcb85a94b5561c92633bart drd_report_data_race(e, VG_(get_error_extra)(e)); 312bedfd237fbdc80d0c917cfcb85a94b5561c92633bart break; 313bedfd237fbdc80d0c917cfcb85a94b5561c92633bart } 314bedfd237fbdc80d0c917cfcb85a94b5561c92633bart case MutexErr: { 315bedfd237fbdc80d0c917cfcb85a94b5561c92633bart MutexErrInfo* p = (MutexErrInfo*)(VG_(get_error_extra)(e)); 316bedfd237fbdc80d0c917cfcb85a94b5561c92633bart tl_assert(p); 317e7086000dc09e5486e42206ad524fefe09f7cc72bart if (p->recursion_count >= 0) { 318ea71ffb08eccc0869c5b9421160fef4052e35c23florian print_err_detail("%s%s: mutex 0x%lx, recursion count %d, owner %u." 319e7086000dc09e5486e42206ad524fefe09f7cc72bart "%s\n", what_prefix, VG_(get_error_string)(e), 320e7086000dc09e5486e42206ad524fefe09f7cc72bart p->mutex, p->recursion_count, p->owner, what_suffix); 321e7086000dc09e5486e42206ad524fefe09f7cc72bart } else { 322e7086000dc09e5486e42206ad524fefe09f7cc72bart print_err_detail("%sThe object at address 0x%lx is not a mutex.%s\n", 323e7086000dc09e5486e42206ad524fefe09f7cc72bart what_prefix, p->mutex, what_suffix); 324bedfd237fbdc80d0c917cfcb85a94b5561c92633bart } 325bedfd237fbdc80d0c917cfcb85a94b5561c92633bart VG_(pp_ExeContext)(VG_(get_error_where)(e)); 326bedfd237fbdc80d0c917cfcb85a94b5561c92633bart first_observed(p->mutex); 327bedfd237fbdc80d0c917cfcb85a94b5561c92633bart break; 328bedfd237fbdc80d0c917cfcb85a94b5561c92633bart } 329bedfd237fbdc80d0c917cfcb85a94b5561c92633bart case CondErr: { 330bedfd237fbdc80d0c917cfcb85a94b5561c92633bart CondErrInfo* cdei =(CondErrInfo*)(VG_(get_error_extra)(e)); 331e7086000dc09e5486e42206ad524fefe09f7cc72bart print_err_detail("%s%s: cond 0x%lx%s\n", what_prefix, 332e7086000dc09e5486e42206ad524fefe09f7cc72bart VG_(get_error_string)(e), cdei->cond, what_suffix); 333bedfd237fbdc80d0c917cfcb85a94b5561c92633bart VG_(pp_ExeContext)(VG_(get_error_where)(e)); 334bedfd237fbdc80d0c917cfcb85a94b5561c92633bart first_observed(cdei->cond); 335bedfd237fbdc80d0c917cfcb85a94b5561c92633bart break; 336bedfd237fbdc80d0c917cfcb85a94b5561c92633bart } 337bedfd237fbdc80d0c917cfcb85a94b5561c92633bart case CondDestrErr: { 338bedfd237fbdc80d0c917cfcb85a94b5561c92633bart CondDestrErrInfo* cdi = (CondDestrErrInfo*)(VG_(get_error_extra)(e)); 339ea71ffb08eccc0869c5b9421160fef4052e35c23florian print_err_detail("%s%s: cond 0x%lx, mutex 0x%lx locked by thread %u%s\n", 340e7086000dc09e5486e42206ad524fefe09f7cc72bart what_prefix, VG_(get_error_string)(e), cdi->cond, 341e7086000dc09e5486e42206ad524fefe09f7cc72bart cdi->mutex, cdi->owner, what_suffix); 342bedfd237fbdc80d0c917cfcb85a94b5561c92633bart VG_(pp_ExeContext)(VG_(get_error_where)(e)); 343bedfd237fbdc80d0c917cfcb85a94b5561c92633bart first_observed(cdi->mutex); 344bedfd237fbdc80d0c917cfcb85a94b5561c92633bart break; 345bedfd237fbdc80d0c917cfcb85a94b5561c92633bart } 346bedfd237fbdc80d0c917cfcb85a94b5561c92633bart case CondRaceErr: { 347bedfd237fbdc80d0c917cfcb85a94b5561c92633bart CondRaceErrInfo* cei = (CondRaceErrInfo*)(VG_(get_error_extra)(e)); 348e7086000dc09e5486e42206ad524fefe09f7cc72bart print_err_detail("%sProbably a race condition: condition variable 0x%lx" 349e7086000dc09e5486e42206ad524fefe09f7cc72bart " has been signaled but the associated mutex 0x%lx is" 350e7086000dc09e5486e42206ad524fefe09f7cc72bart " not locked by the signalling thread.%s\n", 351e7086000dc09e5486e42206ad524fefe09f7cc72bart what_prefix, cei->cond, cei->mutex, what_suffix); 352bedfd237fbdc80d0c917cfcb85a94b5561c92633bart VG_(pp_ExeContext)(VG_(get_error_where)(e)); 353bedfd237fbdc80d0c917cfcb85a94b5561c92633bart first_observed(cei->cond); 354bedfd237fbdc80d0c917cfcb85a94b5561c92633bart first_observed(cei->mutex); 355bedfd237fbdc80d0c917cfcb85a94b5561c92633bart break; 356bedfd237fbdc80d0c917cfcb85a94b5561c92633bart } 357bedfd237fbdc80d0c917cfcb85a94b5561c92633bart case CondWaitErr: { 358bedfd237fbdc80d0c917cfcb85a94b5561c92633bart CondWaitErrInfo* cwei = (CondWaitErrInfo*)(VG_(get_error_extra)(e)); 359e7086000dc09e5486e42206ad524fefe09f7cc72bart print_err_detail("%s%s: condition variable 0x%lx, mutexes 0x%lx and" 360e7086000dc09e5486e42206ad524fefe09f7cc72bart " 0x%lx%s\n", what_prefix, VG_(get_error_string)(e), 361e7086000dc09e5486e42206ad524fefe09f7cc72bart cwei->cond, cwei->mutex1, cwei->mutex2, what_suffix); 362bedfd237fbdc80d0c917cfcb85a94b5561c92633bart VG_(pp_ExeContext)(VG_(get_error_where)(e)); 363bedfd237fbdc80d0c917cfcb85a94b5561c92633bart first_observed(cwei->cond); 364bedfd237fbdc80d0c917cfcb85a94b5561c92633bart first_observed(cwei->mutex1); 365bedfd237fbdc80d0c917cfcb85a94b5561c92633bart first_observed(cwei->mutex2); 366bedfd237fbdc80d0c917cfcb85a94b5561c92633bart break; 367bedfd237fbdc80d0c917cfcb85a94b5561c92633bart } 368bedfd237fbdc80d0c917cfcb85a94b5561c92633bart case SemaphoreErr: { 369bedfd237fbdc80d0c917cfcb85a94b5561c92633bart SemaphoreErrInfo* sei = (SemaphoreErrInfo*)(VG_(get_error_extra)(e)); 370bedfd237fbdc80d0c917cfcb85a94b5561c92633bart tl_assert(sei); 371b6ab69ec29ec9355b2b97749db7fbb269881fb42bart print_err_detail("%s%s: semaphore 0x%lx%s\n", what_prefix, 372b6ab69ec29ec9355b2b97749db7fbb269881fb42bart VG_(get_error_string)(e), sei->semaphore, what_suffix); 373bedfd237fbdc80d0c917cfcb85a94b5561c92633bart VG_(pp_ExeContext)(VG_(get_error_where)(e)); 374bedfd237fbdc80d0c917cfcb85a94b5561c92633bart first_observed(sei->semaphore); 375bedfd237fbdc80d0c917cfcb85a94b5561c92633bart break; 376bedfd237fbdc80d0c917cfcb85a94b5561c92633bart } 377bedfd237fbdc80d0c917cfcb85a94b5561c92633bart case BarrierErr: { 378bedfd237fbdc80d0c917cfcb85a94b5561c92633bart BarrierErrInfo* bei = (BarrierErrInfo*)(VG_(get_error_extra)(e)); 379bedfd237fbdc80d0c917cfcb85a94b5561c92633bart tl_assert(bei); 380e7086000dc09e5486e42206ad524fefe09f7cc72bart print_err_detail("%s%s: barrier 0x%lx%s\n", what_prefix, 381e7086000dc09e5486e42206ad524fefe09f7cc72bart VG_(get_error_string)(e), bei->barrier, what_suffix); 382bedfd237fbdc80d0c917cfcb85a94b5561c92633bart VG_(pp_ExeContext)(VG_(get_error_where)(e)); 383e7086000dc09e5486e42206ad524fefe09f7cc72bart if (bei->other_context) { 384e7086000dc09e5486e42206ad524fefe09f7cc72bart if (xml) 385e7086000dc09e5486e42206ad524fefe09f7cc72bart print_err_detail(" <confl_wait_call>\n"); 386ea71ffb08eccc0869c5b9421160fef4052e35c23florian print_err_detail("%sConflicting wait call by thread %u:%s\n", 387e7086000dc09e5486e42206ad524fefe09f7cc72bart what_prefix, bei->other_tid, what_suffix); 388bedfd237fbdc80d0c917cfcb85a94b5561c92633bart VG_(pp_ExeContext)(bei->other_context); 389e7086000dc09e5486e42206ad524fefe09f7cc72bart if (xml) 390e7086000dc09e5486e42206ad524fefe09f7cc72bart print_err_detail(" </confl_wait_call>\n"); 391bedfd237fbdc80d0c917cfcb85a94b5561c92633bart } 392bedfd237fbdc80d0c917cfcb85a94b5561c92633bart first_observed(bei->barrier); 393bedfd237fbdc80d0c917cfcb85a94b5561c92633bart break; 394bedfd237fbdc80d0c917cfcb85a94b5561c92633bart } 395bedfd237fbdc80d0c917cfcb85a94b5561c92633bart case RwlockErr: { 396bedfd237fbdc80d0c917cfcb85a94b5561c92633bart RwlockErrInfo* p = (RwlockErrInfo*)(VG_(get_error_extra)(e)); 397bedfd237fbdc80d0c917cfcb85a94b5561c92633bart tl_assert(p); 398e7086000dc09e5486e42206ad524fefe09f7cc72bart print_err_detail("%s%s: rwlock 0x%lx.%s\n", what_prefix, 399e7086000dc09e5486e42206ad524fefe09f7cc72bart VG_(get_error_string)(e), p->rwlock, what_suffix); 400bedfd237fbdc80d0c917cfcb85a94b5561c92633bart VG_(pp_ExeContext)(VG_(get_error_where)(e)); 401bedfd237fbdc80d0c917cfcb85a94b5561c92633bart first_observed(p->rwlock); 402bedfd237fbdc80d0c917cfcb85a94b5561c92633bart break; 403bedfd237fbdc80d0c917cfcb85a94b5561c92633bart } 404bedfd237fbdc80d0c917cfcb85a94b5561c92633bart case HoldtimeErr: { 405bedfd237fbdc80d0c917cfcb85a94b5561c92633bart HoldtimeErrInfo* p =(HoldtimeErrInfo*)(VG_(get_error_extra)(e)); 406bedfd237fbdc80d0c917cfcb85a94b5561c92633bart tl_assert(p); 407bedfd237fbdc80d0c917cfcb85a94b5561c92633bart tl_assert(p->acquired_at); 408e7086000dc09e5486e42206ad524fefe09f7cc72bart if (xml) 409e7086000dc09e5486e42206ad524fefe09f7cc72bart print_err_detail(" <acquired_at>\n"); 410e7086000dc09e5486e42206ad524fefe09f7cc72bart else 411e7086000dc09e5486e42206ad524fefe09f7cc72bart print_err_detail("Acquired at:\n"); 412bedfd237fbdc80d0c917cfcb85a94b5561c92633bart VG_(pp_ExeContext)(p->acquired_at); 413b6ab69ec29ec9355b2b97749db7fbb269881fb42bart if (xml) 414b6ab69ec29ec9355b2b97749db7fbb269881fb42bart print_err_detail(" </acquired_at>\n"); 415ea71ffb08eccc0869c5b9421160fef4052e35c23florian print_err_detail("%sLock on %s 0x%lx was held during %u ms" 416ea71ffb08eccc0869c5b9421160fef4052e35c23florian " (threshold: %u ms).%s\n", what_prefix, 417e7086000dc09e5486e42206ad524fefe09f7cc72bart VG_(get_error_string)(e), p->synchronization_object, 418e7086000dc09e5486e42206ad524fefe09f7cc72bart p->hold_time_ms, p->threshold_ms, what_suffix); 419bedfd237fbdc80d0c917cfcb85a94b5561c92633bart VG_(pp_ExeContext)(VG_(get_error_where)(e)); 420bedfd237fbdc80d0c917cfcb85a94b5561c92633bart first_observed(p->synchronization_object); 421bedfd237fbdc80d0c917cfcb85a94b5561c92633bart break; 422bedfd237fbdc80d0c917cfcb85a94b5561c92633bart } 423bedfd237fbdc80d0c917cfcb85a94b5561c92633bart case GenericErr: { 42462cc23286aa2d2cbeb6643a15ef37fe020a3d159bart GenericErrInfo* gei = (GenericErrInfo*)(VG_(get_error_extra)(e)); 425e7086000dc09e5486e42206ad524fefe09f7cc72bart print_err_detail("%s%s%s\n", what_prefix, VG_(get_error_string)(e), 426e7086000dc09e5486e42206ad524fefe09f7cc72bart what_suffix); 427bedfd237fbdc80d0c917cfcb85a94b5561c92633bart VG_(pp_ExeContext)(VG_(get_error_where)(e)); 42862cc23286aa2d2cbeb6643a15ef37fe020a3d159bart if (gei->addr) 42962cc23286aa2d2cbeb6643a15ef37fe020a3d159bart first_observed(gei->addr); 430bedfd237fbdc80d0c917cfcb85a94b5561c92633bart break; 431bedfd237fbdc80d0c917cfcb85a94b5561c92633bart } 432b48bde21f5107f74335b88cacee76c556ae22aa7bart case InvalidThreadId: { 433b48bde21f5107f74335b88cacee76c556ae22aa7bart InvalidThreadIdInfo* iti =(InvalidThreadIdInfo*)(VG_(get_error_extra)(e)); 434e7086000dc09e5486e42206ad524fefe09f7cc72bart print_err_detail("%s%s 0x%llx%s\n", what_prefix, VG_(get_error_string)(e), 435e7086000dc09e5486e42206ad524fefe09f7cc72bart iti->ptid, what_suffix); 436b48bde21f5107f74335b88cacee76c556ae22aa7bart VG_(pp_ExeContext)(VG_(get_error_where)(e)); 437b48bde21f5107f74335b88cacee76c556ae22aa7bart break; 438b48bde21f5107f74335b88cacee76c556ae22aa7bart } 439141a7ed46d0a2d104c73c20c18941aacd2241881bart case UnimpHgClReq: { 44066f196dd7e23627a6e0e54dc90c89800a4878be2bart UnimpClReqInfo* uicr =(UnimpClReqInfo*)(VG_(get_error_extra)(e)); 441e7086000dc09e5486e42206ad524fefe09f7cc72bart print_err_detail("%sThe annotation macro %s has not yet been implemented" 442e7086000dc09e5486e42206ad524fefe09f7cc72bart " in %ps%s\n", what_prefix, uicr->descr, 443e7086000dc09e5486e42206ad524fefe09f7cc72bart "<valgrind/helgrind.h>", what_suffix); 44466f196dd7e23627a6e0e54dc90c89800a4878be2bart VG_(pp_ExeContext)(VG_(get_error_where)(e)); 44566f196dd7e23627a6e0e54dc90c89800a4878be2bart break; 44666f196dd7e23627a6e0e54dc90c89800a4878be2bart } 447141a7ed46d0a2d104c73c20c18941aacd2241881bart case UnimpDrdClReq: { 448141a7ed46d0a2d104c73c20c18941aacd2241881bart UnimpClReqInfo* uicr =(UnimpClReqInfo*)(VG_(get_error_extra)(e)); 449e7086000dc09e5486e42206ad524fefe09f7cc72bart print_err_detail("%sThe annotation macro %s has not yet been implemented" 450e7086000dc09e5486e42206ad524fefe09f7cc72bart " in %ps%s\n", what_prefix, uicr->descr, 451e7086000dc09e5486e42206ad524fefe09f7cc72bart "<valgrind/drd.h>", what_suffix); 452141a7ed46d0a2d104c73c20c18941aacd2241881bart VG_(pp_ExeContext)(VG_(get_error_where)(e)); 453141a7ed46d0a2d104c73c20c18941aacd2241881bart break; 454141a7ed46d0a2d104c73c20c18941aacd2241881bart } 455bedfd237fbdc80d0c917cfcb85a94b5561c92633bart default: 456e7086000dc09e5486e42206ad524fefe09f7cc72bart print_err_detail("%s%s%s\n", what_prefix, VG_(get_error_string)(e), 457e7086000dc09e5486e42206ad524fefe09f7cc72bart what_suffix); 458bedfd237fbdc80d0c917cfcb85a94b5561c92633bart VG_(pp_ExeContext)(VG_(get_error_where)(e)); 459bedfd237fbdc80d0c917cfcb85a94b5561c92633bart break; 460bedfd237fbdc80d0c917cfcb85a94b5561c92633bart } 461af44c8236f7a73e71b16b707bba56f33af4d01cesewardj} 462af44c8236f7a73e71b16b707bba56f33af4d01cesewardj 4638e3fbb5cd8276a7d07d5712bc05f9b3376d81a6aflorianstatic UInt drd_tool_error_update_extra(const Error* e) 464af44c8236f7a73e71b16b707bba56f33af4d01cesewardj{ 465bedfd237fbdc80d0c917cfcb85a94b5561c92633bart switch (VG_(get_error_kind)(e)) 466bedfd237fbdc80d0c917cfcb85a94b5561c92633bart { 467bedfd237fbdc80d0c917cfcb85a94b5561c92633bart case DataRaceErr: 468bedfd237fbdc80d0c917cfcb85a94b5561c92633bart return sizeof(DataRaceErrInfo); 469bedfd237fbdc80d0c917cfcb85a94b5561c92633bart case MutexErr: 470bedfd237fbdc80d0c917cfcb85a94b5561c92633bart return sizeof(MutexErrInfo); 471bedfd237fbdc80d0c917cfcb85a94b5561c92633bart case CondErr: 472bedfd237fbdc80d0c917cfcb85a94b5561c92633bart return sizeof(CondErrInfo); 473bedfd237fbdc80d0c917cfcb85a94b5561c92633bart case CondDestrErr: 474bedfd237fbdc80d0c917cfcb85a94b5561c92633bart return sizeof(CondDestrErrInfo); 475bedfd237fbdc80d0c917cfcb85a94b5561c92633bart case CondRaceErr: 476bedfd237fbdc80d0c917cfcb85a94b5561c92633bart return sizeof(CondRaceErrInfo); 477bedfd237fbdc80d0c917cfcb85a94b5561c92633bart case CondWaitErr: 478bedfd237fbdc80d0c917cfcb85a94b5561c92633bart return sizeof(CondWaitErrInfo); 479bedfd237fbdc80d0c917cfcb85a94b5561c92633bart case SemaphoreErr: 480bedfd237fbdc80d0c917cfcb85a94b5561c92633bart return sizeof(SemaphoreErrInfo); 481bedfd237fbdc80d0c917cfcb85a94b5561c92633bart case BarrierErr: 482bedfd237fbdc80d0c917cfcb85a94b5561c92633bart return sizeof(BarrierErrInfo); 483bedfd237fbdc80d0c917cfcb85a94b5561c92633bart case RwlockErr: 484bedfd237fbdc80d0c917cfcb85a94b5561c92633bart return sizeof(RwlockErrInfo); 485bedfd237fbdc80d0c917cfcb85a94b5561c92633bart case HoldtimeErr: 486bedfd237fbdc80d0c917cfcb85a94b5561c92633bart return sizeof(HoldtimeErrInfo); 487bedfd237fbdc80d0c917cfcb85a94b5561c92633bart case GenericErr: 488bedfd237fbdc80d0c917cfcb85a94b5561c92633bart return sizeof(GenericErrInfo); 489b48bde21f5107f74335b88cacee76c556ae22aa7bart case InvalidThreadId: 490b48bde21f5107f74335b88cacee76c556ae22aa7bart return sizeof(InvalidThreadIdInfo); 491141a7ed46d0a2d104c73c20c18941aacd2241881bart case UnimpHgClReq: 492141a7ed46d0a2d104c73c20c18941aacd2241881bart return sizeof(UnimpClReqInfo); 493141a7ed46d0a2d104c73c20c18941aacd2241881bart case UnimpDrdClReq: 49466f196dd7e23627a6e0e54dc90c89800a4878be2bart return sizeof(UnimpClReqInfo); 495bedfd237fbdc80d0c917cfcb85a94b5561c92633bart default: 496bedfd237fbdc80d0c917cfcb85a94b5561c92633bart tl_assert(False); 497bedfd237fbdc80d0c917cfcb85a94b5561c92633bart break; 498bedfd237fbdc80d0c917cfcb85a94b5561c92633bart } 499af44c8236f7a73e71b16b707bba56f33af4d01cesewardj} 500af44c8236f7a73e71b16b707bba56f33af4d01cesewardj 50161d36ff45485b6b96f443c8bebb1acf26eaff653bart/** 50261d36ff45485b6b96f443c8bebb1acf26eaff653bart * Parse suppression name. 50361d36ff45485b6b96f443c8bebb1acf26eaff653bart * 50461d36ff45485b6b96f443c8bebb1acf26eaff653bart * The suppression types recognized by DRD are the same types as the error 50561d36ff45485b6b96f443c8bebb1acf26eaff653bart * types supported by DRD. So try to match the suppression name against the 50661d36ff45485b6b96f443c8bebb1acf26eaff653bart * names of DRD error types. 50761d36ff45485b6b96f443c8bebb1acf26eaff653bart */ 50819f91bbaedb4caef8a60ce94b0f507193cc0bc10florianstatic Bool drd_is_recognized_suppression(const HChar* const name, 50919f91bbaedb4caef8a60ce94b0f507193cc0bc10florian Supp* const supp) 510af44c8236f7a73e71b16b707bba56f33af4d01cesewardj{ 51161d36ff45485b6b96f443c8bebb1acf26eaff653bart DrdErrorKind skind = 0; 512bedfd237fbdc80d0c917cfcb85a94b5561c92633bart 513bedfd237fbdc80d0c917cfcb85a94b5561c92633bart if (VG_(strcmp)(name, STR_DataRaceErr) == 0) 51461d36ff45485b6b96f443c8bebb1acf26eaff653bart skind = DataRaceErr; 515bedfd237fbdc80d0c917cfcb85a94b5561c92633bart else if (VG_(strcmp)(name, STR_MutexErr) == 0) 51661d36ff45485b6b96f443c8bebb1acf26eaff653bart skind = MutexErr; 517bedfd237fbdc80d0c917cfcb85a94b5561c92633bart else if (VG_(strcmp)(name, STR_CondErr) == 0) 51861d36ff45485b6b96f443c8bebb1acf26eaff653bart skind = CondErr; 519bedfd237fbdc80d0c917cfcb85a94b5561c92633bart else if (VG_(strcmp)(name, STR_CondDestrErr) == 0) 52061d36ff45485b6b96f443c8bebb1acf26eaff653bart skind = CondDestrErr; 521bedfd237fbdc80d0c917cfcb85a94b5561c92633bart else if (VG_(strcmp)(name, STR_CondRaceErr) == 0) 52261d36ff45485b6b96f443c8bebb1acf26eaff653bart skind = CondRaceErr; 523bedfd237fbdc80d0c917cfcb85a94b5561c92633bart else if (VG_(strcmp)(name, STR_CondWaitErr) == 0) 52461d36ff45485b6b96f443c8bebb1acf26eaff653bart skind = CondWaitErr; 525bedfd237fbdc80d0c917cfcb85a94b5561c92633bart else if (VG_(strcmp)(name, STR_SemaphoreErr) == 0) 52661d36ff45485b6b96f443c8bebb1acf26eaff653bart skind = SemaphoreErr; 527bedfd237fbdc80d0c917cfcb85a94b5561c92633bart else if (VG_(strcmp)(name, STR_BarrierErr) == 0) 52861d36ff45485b6b96f443c8bebb1acf26eaff653bart skind = BarrierErr; 529bedfd237fbdc80d0c917cfcb85a94b5561c92633bart else if (VG_(strcmp)(name, STR_RwlockErr) == 0) 53061d36ff45485b6b96f443c8bebb1acf26eaff653bart skind = RwlockErr; 531bedfd237fbdc80d0c917cfcb85a94b5561c92633bart else if (VG_(strcmp)(name, STR_HoldtimeErr) == 0) 53261d36ff45485b6b96f443c8bebb1acf26eaff653bart skind = HoldtimeErr; 533bedfd237fbdc80d0c917cfcb85a94b5561c92633bart else if (VG_(strcmp)(name, STR_GenericErr) == 0) 53461d36ff45485b6b96f443c8bebb1acf26eaff653bart skind = GenericErr; 535b48bde21f5107f74335b88cacee76c556ae22aa7bart else if (VG_(strcmp)(name, STR_InvalidThreadId) == 0) 536b48bde21f5107f74335b88cacee76c556ae22aa7bart skind = InvalidThreadId; 537141a7ed46d0a2d104c73c20c18941aacd2241881bart else if (VG_(strcmp)(name, STR_UnimpHgClReq) == 0) 538141a7ed46d0a2d104c73c20c18941aacd2241881bart skind = UnimpHgClReq; 539141a7ed46d0a2d104c73c20c18941aacd2241881bart else if (VG_(strcmp)(name, STR_UnimpDrdClReq) == 0) 540141a7ed46d0a2d104c73c20c18941aacd2241881bart skind = UnimpDrdClReq; 541bedfd237fbdc80d0c917cfcb85a94b5561c92633bart else 542bedfd237fbdc80d0c917cfcb85a94b5561c92633bart return False; 543bedfd237fbdc80d0c917cfcb85a94b5561c92633bart 544bedfd237fbdc80d0c917cfcb85a94b5561c92633bart VG_(set_supp_kind)(supp, skind); 545bedfd237fbdc80d0c917cfcb85a94b5561c92633bart return True; 546af44c8236f7a73e71b16b707bba56f33af4d01cesewardj} 547af44c8236f7a73e71b16b707bba56f33af4d01cesewardj 54861d36ff45485b6b96f443c8bebb1acf26eaff653bart/** 54961d36ff45485b6b96f443c8bebb1acf26eaff653bart * Read additional suppression information from the suppression file. 55061d36ff45485b6b96f443c8bebb1acf26eaff653bart * 55161d36ff45485b6b96f443c8bebb1acf26eaff653bart * None of the suppression patterns recognized by DRD has 'extra' lines 55261d36ff45485b6b96f443c8bebb1acf26eaff653bart * of information in the suppression file, so just return True to indicate 55361d36ff45485b6b96f443c8bebb1acf26eaff653bart * that reading the 'extra' lines succeeded. 55461d36ff45485b6b96f443c8bebb1acf26eaff653bart */ 555246fbf2655328fc150e528b701223b7a1eafe471bartstatic 55619f91bbaedb4caef8a60ce94b0f507193cc0bc10florianBool drd_read_extra_suppression_info(Int fd, HChar** bufpp, 557362441db825242200142a91bb07c4a0300b36a3ephilippe SizeT* nBufp, Int* lineno, Supp* supp) 558af44c8236f7a73e71b16b707bba56f33af4d01cesewardj{ 559bedfd237fbdc80d0c917cfcb85a94b5561c92633bart return True; 560af44c8236f7a73e71b16b707bba56f33af4d01cesewardj} 561af44c8236f7a73e71b16b707bba56f33af4d01cesewardj 56261d36ff45485b6b96f443c8bebb1acf26eaff653bart/** 56361d36ff45485b6b96f443c8bebb1acf26eaff653bart * Determine whether or not the types of the given error message and the 56461d36ff45485b6b96f443c8bebb1acf26eaff653bart * given suppression match. 56561d36ff45485b6b96f443c8bebb1acf26eaff653bart */ 5668e3fbb5cd8276a7d07d5712bc05f9b3376d81a6aflorianstatic Bool drd_error_matches_suppression(const Error* const e, 5678e3fbb5cd8276a7d07d5712bc05f9b3376d81a6aflorian const Supp* const supp) 568af44c8236f7a73e71b16b707bba56f33af4d01cesewardj{ 56961d36ff45485b6b96f443c8bebb1acf26eaff653bart return VG_(get_supp_kind)(supp) == VG_(get_error_kind)(e); 570af44c8236f7a73e71b16b707bba56f33af4d01cesewardj} 571af44c8236f7a73e71b16b707bba56f33af4d01cesewardj 5728e3fbb5cd8276a7d07d5712bc05f9b3376d81a6aflorianstatic const HChar* drd_get_error_name(const Error* e) 573af44c8236f7a73e71b16b707bba56f33af4d01cesewardj{ 574bedfd237fbdc80d0c917cfcb85a94b5561c92633bart switch (VG_(get_error_kind)(e)) 575bedfd237fbdc80d0c917cfcb85a94b5561c92633bart { 576bedfd237fbdc80d0c917cfcb85a94b5561c92633bart case DataRaceErr: return VGAPPEND(STR_, DataRaceErr); 577bedfd237fbdc80d0c917cfcb85a94b5561c92633bart case MutexErr: return VGAPPEND(STR_, MutexErr); 578bedfd237fbdc80d0c917cfcb85a94b5561c92633bart case CondErr: return VGAPPEND(STR_, CondErr); 579bedfd237fbdc80d0c917cfcb85a94b5561c92633bart case CondDestrErr: return VGAPPEND(STR_, CondDestrErr); 580bedfd237fbdc80d0c917cfcb85a94b5561c92633bart case CondRaceErr: return VGAPPEND(STR_, CondRaceErr); 581bedfd237fbdc80d0c917cfcb85a94b5561c92633bart case CondWaitErr: return VGAPPEND(STR_, CondWaitErr); 582bedfd237fbdc80d0c917cfcb85a94b5561c92633bart case SemaphoreErr: return VGAPPEND(STR_, SemaphoreErr); 583bedfd237fbdc80d0c917cfcb85a94b5561c92633bart case BarrierErr: return VGAPPEND(STR_, BarrierErr); 584bedfd237fbdc80d0c917cfcb85a94b5561c92633bart case RwlockErr: return VGAPPEND(STR_, RwlockErr); 585bedfd237fbdc80d0c917cfcb85a94b5561c92633bart case HoldtimeErr: return VGAPPEND(STR_, HoldtimeErr); 586bedfd237fbdc80d0c917cfcb85a94b5561c92633bart case GenericErr: return VGAPPEND(STR_, GenericErr); 587b48bde21f5107f74335b88cacee76c556ae22aa7bart case InvalidThreadId: return VGAPPEND(STR_, InvalidThreadId); 588141a7ed46d0a2d104c73c20c18941aacd2241881bart case UnimpHgClReq: return VGAPPEND(STR_, UnimpHgClReq); 589141a7ed46d0a2d104c73c20c18941aacd2241881bart case UnimpDrdClReq: return VGAPPEND(STR_, UnimpDrdClReq); 590bedfd237fbdc80d0c917cfcb85a94b5561c92633bart default: 591bedfd237fbdc80d0c917cfcb85a94b5561c92633bart tl_assert(0); 592bedfd237fbdc80d0c917cfcb85a94b5561c92633bart } 593bedfd237fbdc80d0c917cfcb85a94b5561c92633bart return 0; 594af44c8236f7a73e71b16b707bba56f33af4d01cesewardj} 595af44c8236f7a73e71b16b707bba56f33af4d01cesewardj 59661d36ff45485b6b96f443c8bebb1acf26eaff653bart/** 597588adeffafa8102adcfa7a1c035ae272b35cf86dsewardj * Return extra suppression information. 59861d36ff45485b6b96f443c8bebb1acf26eaff653bart * 59961d36ff45485b6b96f443c8bebb1acf26eaff653bart * Invoked while printing a suppression pattern because the user 60061d36ff45485b6b96f443c8bebb1acf26eaff653bart * specified --gen-suppressions=yes or all on the command line. DRD does not 60161d36ff45485b6b96f443c8bebb1acf26eaff653bart * define any 'extra' suppression information. 60261d36ff45485b6b96f443c8bebb1acf26eaff653bart */ 603588adeffafa8102adcfa7a1c035ae272b35cf86dsewardjstatic 6048e3fbb5cd8276a7d07d5712bc05f9b3376d81a6aflorianSizeT drd_get_extra_suppression_info(const Error* e, 6053e81b8bed1f7ab6848a83f5507487131a6f9d778florian /*OUT*/HChar* buf, Int nBuf) 606588adeffafa8102adcfa7a1c035ae272b35cf86dsewardj{ 6073e81b8bed1f7ab6848a83f5507487131a6f9d778florian tl_assert(nBuf >= 1); 6083e81b8bed1f7ab6848a83f5507487131a6f9d778florian buf[0] = '\0'; 6093e81b8bed1f7ab6848a83f5507487131a6f9d778florian return 0; 610588adeffafa8102adcfa7a1c035ae272b35cf86dsewardj} 611af44c8236f7a73e71b16b707bba56f33af4d01cesewardj 6124e32d67a5b880bf1d871c5141822078d4dcdc3acphilippestatic 6138e3fbb5cd8276a7d07d5712bc05f9b3376d81a6aflorianSizeT drd_print_extra_suppression_use(const Supp* su, 6143e81b8bed1f7ab6848a83f5507487131a6f9d778florian /*OUT*/HChar* buf, Int nBuf) 6154e32d67a5b880bf1d871c5141822078d4dcdc3acphilippe{ 6163e81b8bed1f7ab6848a83f5507487131a6f9d778florian tl_assert(nBuf >= 1); 6173e81b8bed1f7ab6848a83f5507487131a6f9d778florian buf[0] = '\0'; 6183e81b8bed1f7ab6848a83f5507487131a6f9d778florian return 0; 6194e32d67a5b880bf1d871c5141822078d4dcdc3acphilippe} 6204e32d67a5b880bf1d871c5141822078d4dcdc3acphilippe 6214e32d67a5b880bf1d871c5141822078d4dcdc3acphilippestatic 6228e3fbb5cd8276a7d07d5712bc05f9b3376d81a6aflorianvoid drd_update_extra_suppresion_use(const Error* e, const Supp* supp) 6234e32d67a5b880bf1d871c5141822078d4dcdc3acphilippe{ 6244e32d67a5b880bf1d871c5141822078d4dcdc3acphilippe return; 6254e32d67a5b880bf1d871c5141822078d4dcdc3acphilippe} 6264e32d67a5b880bf1d871c5141822078d4dcdc3acphilippe 62761d36ff45485b6b96f443c8bebb1acf26eaff653bart/** Tell the Valgrind core about DRD's error handlers. */ 6281335ecca5095dea85be94095885082b80573df8cbartvoid DRD_(register_error_handlers)(void) 629af44c8236f7a73e71b16b707bba56f33af4d01cesewardj{ 63061d36ff45485b6b96f443c8bebb1acf26eaff653bart VG_(needs_tool_errors)(drd_compare_error_contexts, 6311e29ebcf5a0d5d29434d112bda3a584b4a3f8066sewardj drd_tool_error_before_pp, 632bedfd237fbdc80d0c917cfcb85a94b5561c92633bart drd_tool_error_pp, 633d45d99553c15a361bb797d21ec6afb9bad22d2d4bart False, 634bedfd237fbdc80d0c917cfcb85a94b5561c92633bart drd_tool_error_update_extra, 63561d36ff45485b6b96f443c8bebb1acf26eaff653bart drd_is_recognized_suppression, 63661d36ff45485b6b96f443c8bebb1acf26eaff653bart drd_read_extra_suppression_info, 63761d36ff45485b6b96f443c8bebb1acf26eaff653bart drd_error_matches_suppression, 63861d36ff45485b6b96f443c8bebb1acf26eaff653bart drd_get_error_name, 6394e32d67a5b880bf1d871c5141822078d4dcdc3acphilippe drd_get_extra_suppression_info, 6404e32d67a5b880bf1d871c5141822078d4dcdc3acphilippe drd_print_extra_suppression_use, 6414e32d67a5b880bf1d871c5141822078d4dcdc3acphilippe drd_update_extra_suppresion_use); 642af44c8236f7a73e71b16b707bba56f33af4d01cesewardj} 643