bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 1 | /* -*- mode: C; c-basic-offset: 3; -*- */ |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 2 | /* |
bart | 86562bd | 2009-02-16 19:43:56 +0000 | [diff] [blame] | 3 | This file is part of drd, a thread error detector. |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 4 | |
bart | 09dc13f | 2009-02-14 15:13:31 +0000 | [diff] [blame] | 5 | Copyright (C) 2006-2009 Bart Van Assche <bart.vanassche@gmail.com>. |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 6 | |
| 7 | This program is free software; you can redistribute it and/or |
| 8 | modify it under the terms of the GNU General Public License as |
| 9 | published by the Free Software Foundation; either version 2 of the |
| 10 | License, or (at your option) any later version. |
| 11 | |
| 12 | This program is distributed in the hope that it will be useful, but |
| 13 | WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 15 | General Public License for more details. |
| 16 | |
| 17 | You should have received a copy of the GNU General Public License |
| 18 | along with this program; if not, write to the Free Software |
| 19 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| 20 | 02111-1307, USA. |
| 21 | |
| 22 | The GNU General Public License is contained in the file COPYING. |
| 23 | */ |
| 24 | |
| 25 | |
sewardj | 8564292 | 2008-01-14 11:54:56 +0000 | [diff] [blame] | 26 | #include "drd_barrier.h" |
bart | 4bb53d8 | 2008-02-28 19:06:34 +0000 | [diff] [blame] | 27 | #include "drd_clientobj.h" |
bart | 09dc13f | 2009-02-14 15:13:31 +0000 | [diff] [blame] | 28 | #include "drd_clientreq.h" |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 29 | #include "drd_cond.h" |
| 30 | #include "drd_error.h" |
bart | 09dc13f | 2009-02-14 15:13:31 +0000 | [diff] [blame] | 31 | #include "drd_load_store.h" |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 32 | #include "drd_malloc_wrappers.h" |
| 33 | #include "drd_mutex.h" |
bart | 5bd9f2d | 2008-03-03 20:31:58 +0000 | [diff] [blame] | 34 | #include "drd_rwlock.h" |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 35 | #include "drd_segment.h" |
sewardj | 8564292 | 2008-01-14 11:54:56 +0000 | [diff] [blame] | 36 | #include "drd_semaphore.h" |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 37 | #include "drd_suppression.h" |
| 38 | #include "drd_thread.h" |
bart | eacd916 | 2008-06-16 20:22:18 +0000 | [diff] [blame] | 39 | #include "libvex_guest_offsets.h" |
sewardj | 8564292 | 2008-01-14 11:54:56 +0000 | [diff] [blame] | 40 | #include "pub_drd_bitmap.h" |
bart | 024a95a | 2008-04-01 18:27:41 +0000 | [diff] [blame] | 41 | #include "pub_tool_vki.h" // Must be included before pub_tool_libcproc |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 42 | #include "pub_tool_basics.h" |
| 43 | #include "pub_tool_debuginfo.h" // VG_(describe_IP)() |
| 44 | #include "pub_tool_libcassert.h" // tl_assert() |
| 45 | #include "pub_tool_libcbase.h" // VG_(strcmp) |
| 46 | #include "pub_tool_libcprint.h" // VG_(printf) |
| 47 | #include "pub_tool_libcproc.h" |
| 48 | #include "pub_tool_machine.h" |
bart | 024a95a | 2008-04-01 18:27:41 +0000 | [diff] [blame] | 49 | #include "pub_tool_mallocfree.h" // VG_(malloc)(), VG_(free)() |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 50 | #include "pub_tool_options.h" // command line options |
bart | ceded21 | 2008-03-26 17:39:52 +0000 | [diff] [blame] | 51 | #include "pub_tool_replacemalloc.h" |
bart | 72b751c | 2008-03-01 13:44:24 +0000 | [diff] [blame] | 52 | #include "pub_tool_threadstate.h" // VG_(get_running_tid)() |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 53 | #include "pub_tool_tooliface.h" |
| 54 | |
| 55 | |
bart | 1335ecc | 2009-02-14 16:10:53 +0000 | [diff] [blame] | 56 | /* Local variables. */ |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 57 | |
bart | 1335ecc | 2009-02-14 16:10:53 +0000 | [diff] [blame] | 58 | static Bool DRD_(s_print_stats) = False; |
| 59 | static Bool DRD_(s_var_info) = False; |
| 60 | static Bool DRD_(s_show_stack_usage) = False; |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 61 | |
| 62 | |
bart | 1335ecc | 2009-02-14 16:10:53 +0000 | [diff] [blame] | 63 | /** |
| 64 | * Implement the needs_command_line_options for drd. |
| 65 | */ |
| 66 | static Bool DRD_(process_cmd_line_option)(Char* arg) |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 67 | { |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 68 | int check_stack_accesses = -1; |
| 69 | int exclusive_threshold_ms = -1; |
bart | f98a569 | 2009-05-03 17:17:37 +0000 | [diff] [blame] | 70 | int first_race_only = -1; |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 71 | int report_signal_unlocked = -1; |
| 72 | int segment_merging = -1; |
bart | 8f822af | 2009-06-08 18:20:42 +0000 | [diff] [blame] | 73 | int segment_merge_interval = -1; |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 74 | int shared_threshold_ms = -1; |
| 75 | int show_confl_seg = -1; |
| 76 | int trace_barrier = -1; |
| 77 | int trace_clientobj = -1; |
| 78 | int trace_cond = -1; |
| 79 | int trace_csw = -1; |
| 80 | int trace_fork_join = -1; |
| 81 | int trace_conflict_set = -1; |
bart | 8f822af | 2009-06-08 18:20:42 +0000 | [diff] [blame] | 82 | int trace_conflict_set_bm = -1; |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 83 | int trace_mutex = -1; |
| 84 | int trace_rwlock = -1; |
| 85 | int trace_segment = -1; |
| 86 | int trace_semaphore = -1; |
| 87 | int trace_suppression = -1; |
| 88 | Char* trace_address = 0; |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 89 | |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 90 | if VG_BOOL_CLO(arg, "--check-stack-var", check_stack_accesses) {} |
| 91 | else if VG_BOOL_CLO(arg, "--drd-stats", DRD_(s_print_stats)) {} |
bart | f98a569 | 2009-05-03 17:17:37 +0000 | [diff] [blame] | 92 | else if VG_BOOL_CLO(arg, "--first-race-only", first_race_only) {} |
bart | 8f822af | 2009-06-08 18:20:42 +0000 | [diff] [blame] | 93 | else if VG_BOOL_CLO(arg,"--report-signal-unlocked",report_signal_unlocked) |
| 94 | {} |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 95 | else if VG_BOOL_CLO(arg, "--segment-merging", segment_merging) {} |
bart | 8f822af | 2009-06-08 18:20:42 +0000 | [diff] [blame] | 96 | else if VG_INT_CLO (arg, "--segment-merging-interval", segment_merge_interval) |
| 97 | {} |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 98 | else if VG_BOOL_CLO(arg, "--show-confl-seg", show_confl_seg) {} |
| 99 | else if VG_BOOL_CLO(arg, "--show-stack-usage", |
| 100 | DRD_(s_show_stack_usage)) {} |
| 101 | else if VG_BOOL_CLO(arg, "--trace-barrier", trace_barrier) {} |
| 102 | else if VG_BOOL_CLO(arg, "--trace-clientobj", trace_clientobj) {} |
| 103 | else if VG_BOOL_CLO(arg, "--trace-cond", trace_cond) {} |
| 104 | else if VG_BOOL_CLO(arg, "--trace-conflict-set", trace_conflict_set) {} |
bart | 8f822af | 2009-06-08 18:20:42 +0000 | [diff] [blame] | 105 | else if VG_BOOL_CLO(arg, "--trace-conflict-set-bm", trace_conflict_set_bm){} |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 106 | else if VG_BOOL_CLO(arg, "--trace-csw", trace_csw) {} |
| 107 | else if VG_BOOL_CLO(arg, "--trace-fork-join", trace_fork_join) {} |
| 108 | else if VG_BOOL_CLO(arg, "--trace-mutex", trace_mutex) {} |
| 109 | else if VG_BOOL_CLO(arg, "--trace-rwlock", trace_rwlock) {} |
| 110 | else if VG_BOOL_CLO(arg, "--trace-segment", trace_segment) {} |
| 111 | else if VG_BOOL_CLO(arg, "--trace-semaphore", trace_semaphore) {} |
| 112 | else if VG_BOOL_CLO(arg, "--trace-suppr", trace_suppression) {} |
| 113 | else if VG_BOOL_CLO(arg, "--var-info", DRD_(s_var_info)) {} |
| 114 | else if VG_INT_CLO (arg, "--exclusive-threshold", exclusive_threshold_ms) {} |
| 115 | else if VG_INT_CLO (arg, "--shared-threshold", shared_threshold_ms) {} |
| 116 | else if VG_STR_CLO (arg, "--trace-addr", trace_address) {} |
| 117 | else |
| 118 | return VG_(replacement_malloc_process_cmd_line_option)(arg); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 119 | |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 120 | if (check_stack_accesses != -1) |
| 121 | DRD_(set_check_stack_accesses)(check_stack_accesses); |
| 122 | if (exclusive_threshold_ms != -1) |
| 123 | { |
| 124 | DRD_(mutex_set_lock_threshold)(exclusive_threshold_ms); |
| 125 | DRD_(rwlock_set_exclusive_threshold)(exclusive_threshold_ms); |
| 126 | } |
bart | f98a569 | 2009-05-03 17:17:37 +0000 | [diff] [blame] | 127 | if (first_race_only != -1) |
| 128 | { |
| 129 | DRD_(set_first_race_only)(first_race_only); |
| 130 | } |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 131 | if (report_signal_unlocked != -1) |
| 132 | { |
| 133 | DRD_(cond_set_report_signal_unlocked)(report_signal_unlocked); |
| 134 | } |
| 135 | if (shared_threshold_ms != -1) |
| 136 | { |
| 137 | DRD_(rwlock_set_shared_threshold)(shared_threshold_ms); |
| 138 | } |
| 139 | if (segment_merging != -1) |
| 140 | DRD_(thread_set_segment_merging)(segment_merging); |
bart | 8f822af | 2009-06-08 18:20:42 +0000 | [diff] [blame] | 141 | if (segment_merge_interval != 1) |
| 142 | DRD_(thread_set_segment_merge_interval)(segment_merge_interval); |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 143 | if (show_confl_seg != -1) |
| 144 | DRD_(set_show_conflicting_segments)(show_confl_seg); |
| 145 | if (trace_address) |
| 146 | { |
| 147 | const Addr addr = VG_(strtoll16)(trace_address, 0); |
| 148 | DRD_(start_tracing_address_range)(addr, addr + 1); |
| 149 | } |
| 150 | if (trace_barrier != -1) |
| 151 | DRD_(barrier_set_trace)(trace_barrier); |
| 152 | if (trace_clientobj != -1) |
| 153 | DRD_(clientobj_set_trace)(trace_clientobj); |
| 154 | if (trace_cond != -1) |
| 155 | DRD_(cond_set_trace)(trace_cond); |
| 156 | if (trace_csw != -1) |
| 157 | DRD_(thread_trace_context_switches)(trace_csw); |
| 158 | if (trace_fork_join != -1) |
| 159 | DRD_(thread_set_trace_fork_join)(trace_fork_join); |
| 160 | if (trace_conflict_set != -1) |
| 161 | DRD_(thread_trace_conflict_set)(trace_conflict_set); |
bart | 8f822af | 2009-06-08 18:20:42 +0000 | [diff] [blame] | 162 | if (trace_conflict_set_bm != -1) |
| 163 | DRD_(thread_trace_conflict_set_bm)(trace_conflict_set_bm); |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 164 | if (trace_mutex != -1) |
| 165 | DRD_(mutex_set_trace)(trace_mutex); |
| 166 | if (trace_rwlock != -1) |
| 167 | DRD_(rwlock_set_trace)(trace_rwlock); |
| 168 | if (trace_segment != -1) |
| 169 | DRD_(sg_set_trace)(trace_segment); |
| 170 | if (trace_semaphore != -1) |
| 171 | DRD_(semaphore_set_trace)(trace_semaphore); |
| 172 | if (trace_suppression != -1) |
| 173 | DRD_(suppression_set_trace)(trace_suppression); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 174 | |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 175 | return True; |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 176 | } |
| 177 | |
bart | 1335ecc | 2009-02-14 16:10:53 +0000 | [diff] [blame] | 178 | static void DRD_(print_usage)(void) |
bart | bd7e56e | 2008-03-31 18:14:12 +0000 | [diff] [blame] | 179 | { |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 180 | VG_(printf)( |
bart | 0ffa483 | 2008-04-05 12:57:01 +0000 | [diff] [blame] | 181 | " --check-stack-var=yes|no Whether or not to report data races on\n" |
| 182 | " stack variables [no].\n" |
bart | 9d5b796 | 2008-05-14 12:25:00 +0000 | [diff] [blame] | 183 | " --exclusive-threshold=<n> Print an error message if any mutex or\n" |
| 184 | " writer lock is held longer than the specified time (in milliseconds).\n" |
bart | 1a3b0b3 | 2009-05-03 17:07:34 +0000 | [diff] [blame] | 185 | " --first-race-only=yes|no Only report the first data race that occurs on\n" |
| 186 | " a memory location instead of all races [no].\n" |
bart | 46b5fce | 2008-06-28 13:01:30 +0000 | [diff] [blame] | 187 | " --report-signal-unlocked=yes|no Whether to report calls to\n" |
| 188 | " pthread_cond_signal() where the mutex associated\n" |
| 189 | " with the signal via pthread_cond_wait() is not\n" |
| 190 | " locked at the time the signal is sent [yes].\n" |
bart | 130463a | 2008-04-01 17:03:33 +0000 | [diff] [blame] | 191 | " --segment-merging=yes|no Controls segment merging [yes].\n" |
bart | bd7e56e | 2008-03-31 18:14:12 +0000 | [diff] [blame] | 192 | " Segment merging is an algorithm to limit memory usage of the\n" |
| 193 | " data race detection algorithm. Disabling segment merging may\n" |
| 194 | " improve the accuracy of the so-called 'other segments' displayed\n" |
| 195 | " in race reports but can also trigger an out of memory error.\n" |
bart | 8f822af | 2009-06-08 18:20:42 +0000 | [diff] [blame] | 196 | " --segment-merging-interval=<n> Perform segment merging every time n new\n" |
| 197 | " segments have been created. Default: %d.\n" |
bart | 9d5b796 | 2008-05-14 12:25:00 +0000 | [diff] [blame] | 198 | " --shared-threshold=<n> Print an error message if a reader lock\n" |
| 199 | " is held longer than the specified time (in milliseconds).\n" |
bart | 130463a | 2008-04-01 17:03:33 +0000 | [diff] [blame] | 200 | " --show-confl-seg=yes|no Show conflicting segments in race reports [yes].\n" |
| 201 | " --show-stack-usage=yes|no Print stack usage at thread exit time [no].\n" |
| 202 | " --var-info=yes|no Display the names of global, static and\n" |
bart | bd7e56e | 2008-03-31 18:14:12 +0000 | [diff] [blame] | 203 | " stack variables when a race is reported on such a variable. This\n" |
| 204 | " information is by default not displayed since for big programs\n" |
bart | 85d2253 | 2008-06-26 07:30:32 +0000 | [diff] [blame] | 205 | " reading in all debug information at once may cause an out of\n" |
| 206 | " memory error [no].\n" |
bart | bd7e56e | 2008-03-31 18:14:12 +0000 | [diff] [blame] | 207 | "\n" |
bart | ef1b972 | 2008-07-04 15:34:23 +0000 | [diff] [blame] | 208 | " drd options for monitoring process behavior:\n" |
bart | 952e1a0 | 2008-04-06 13:06:36 +0000 | [diff] [blame] | 209 | " --trace-addr=<address> Trace all load and store activity for the.\n" |
bart | 130463a | 2008-04-01 17:03:33 +0000 | [diff] [blame] | 210 | " specified address [off].\n" |
| 211 | " --trace-barrier=yes|no Trace all barrier activity [no].\n" |
| 212 | " --trace-cond=yes|no Trace all condition variable activity [no].\n" |
| 213 | " --trace-fork-join=yes|no Trace all thread fork/join activity [no].\n" |
| 214 | " --trace-mutex=yes|no Trace all mutex activity [no].\n" |
| 215 | " --trace-rwlock=yes|no Trace all reader-writer lock activity[no].\n" |
bart | 8f822af | 2009-06-08 18:20:42 +0000 | [diff] [blame] | 216 | " --trace-semaphore=yes|no Trace all semaphore activity [no].\n", |
| 217 | DRD_(thread_get_segment_merge_interval)() |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 218 | ); |
bart | 130463a | 2008-04-01 17:03:33 +0000 | [diff] [blame] | 219 | VG_(replacement_malloc_print_usage)(); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 220 | } |
| 221 | |
bart | 1335ecc | 2009-02-14 16:10:53 +0000 | [diff] [blame] | 222 | static void DRD_(print_debug_usage)(void) |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 223 | { |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 224 | VG_(printf)( |
bart | 130463a | 2008-04-01 17:03:33 +0000 | [diff] [blame] | 225 | " --drd-stats=yes|no Print statistics about DRD activity [no].\n" |
| 226 | " --trace-clientobj=yes|no Trace all client object activity [no].\n" |
| 227 | " --trace-csw=yes|no Trace all scheduler context switches [no].\n" |
bart | e73b0aa | 2008-06-28 07:19:56 +0000 | [diff] [blame] | 228 | " --trace-conflict-set=yes|no Trace all conflict set updates [no].\n" |
bart | 8f822af | 2009-06-08 18:20:42 +0000 | [diff] [blame] | 229 | " --trace-conflict-set-bm=yes|no Trace all conflict set bitmap\n" |
| 230 | " updates [no]. Note: enabling this option\n" |
| 231 | " will generate a lot of output !\n" |
bart | 987781d | 2008-06-27 15:00:07 +0000 | [diff] [blame] | 232 | " --trace-segment=yes|no Trace segment actions [no].\n" |
| 233 | " --trace-suppr=yes|no Trace all address suppression actions [no].\n" |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 234 | ); |
bart | 130463a | 2008-04-01 17:03:33 +0000 | [diff] [blame] | 235 | VG_(replacement_malloc_print_debug_usage)(); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 236 | } |
| 237 | |
| 238 | |
| 239 | // |
| 240 | // Implements the thread-related core callbacks. |
| 241 | // |
| 242 | |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 243 | static void drd_pre_mem_read(const CorePart part, |
| 244 | const ThreadId tid, |
| 245 | Char* const s, |
| 246 | const Addr a, |
| 247 | const SizeT size) |
| 248 | { |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 249 | if (size > 0) |
| 250 | { |
| 251 | DRD_(trace_load)(a, size); |
| 252 | } |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 253 | } |
| 254 | |
bart | 5e85d26 | 2008-03-01 10:49:37 +0000 | [diff] [blame] | 255 | static void drd_pre_mem_read_asciiz(const CorePart part, |
| 256 | const ThreadId tid, |
| 257 | Char* const s, |
| 258 | const Addr a) |
| 259 | { |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 260 | const char* p = (void*)a; |
| 261 | SizeT size = 0; |
bart | 5e85d26 | 2008-03-01 10:49:37 +0000 | [diff] [blame] | 262 | |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 263 | /* Note: the expression '*p' reads client memory and may crash if the */ |
| 264 | /* client provided an invalid pointer ! */ |
| 265 | while (*p) |
| 266 | { |
| 267 | p++; |
| 268 | size++; |
| 269 | } |
| 270 | // To do: find out what a reasonable upper limit on 'size' is. |
| 271 | tl_assert(size < 4096); |
| 272 | if (size > 0) |
| 273 | { |
| 274 | DRD_(trace_load)(a, size); |
| 275 | } |
bart | 5e85d26 | 2008-03-01 10:49:37 +0000 | [diff] [blame] | 276 | } |
| 277 | |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 278 | static void drd_post_mem_write(const CorePart part, |
| 279 | const ThreadId tid, |
| 280 | const Addr a, |
| 281 | const SizeT size) |
| 282 | { |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 283 | DRD_(thread_set_vg_running_tid)(VG_(get_running_tid)()); |
| 284 | if (size > 0) |
| 285 | { |
| 286 | DRD_(trace_store)(a, size); |
| 287 | } |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 288 | } |
| 289 | |
bart | 0886562 | 2008-06-06 14:31:36 +0000 | [diff] [blame] | 290 | static __inline__ |
| 291 | void drd_start_using_mem(const Addr a1, const SizeT len) |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 292 | { |
bart | 5fd2814 | 2009-06-10 19:24:20 +0000 | [diff] [blame] | 293 | tl_assert(a1 < a1 + len); |
bart | 5e85d26 | 2008-03-01 10:49:37 +0000 | [diff] [blame] | 294 | |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 295 | if (UNLIKELY(DRD_(any_address_is_traced)())) |
| 296 | { |
| 297 | DRD_(trace_mem_access)(a1, len, eStart); |
| 298 | } |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 299 | } |
| 300 | |
sewardj | 7cf4e6b | 2008-05-01 20:24:26 +0000 | [diff] [blame] | 301 | static void drd_start_using_mem_w_ecu(const Addr a1, |
| 302 | const SizeT len, |
| 303 | UInt ec_uniq) |
| 304 | { |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 305 | drd_start_using_mem(a1, len); |
sewardj | 7cf4e6b | 2008-05-01 20:24:26 +0000 | [diff] [blame] | 306 | } |
| 307 | |
| 308 | static void drd_start_using_mem_w_tid(const Addr a1, |
| 309 | const SizeT len, |
| 310 | ThreadId tid) |
| 311 | { |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 312 | drd_start_using_mem(a1, len); |
sewardj | 7cf4e6b | 2008-05-01 20:24:26 +0000 | [diff] [blame] | 313 | } |
| 314 | |
bart | 0ffa483 | 2008-04-05 12:57:01 +0000 | [diff] [blame] | 315 | static __inline__ |
| 316 | void drd_stop_using_mem(const Addr a1, const SizeT len, |
| 317 | const Bool is_stack_mem) |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 318 | { |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 319 | const Addr a2 = a1 + len; |
bart | 5e85d26 | 2008-03-01 10:49:37 +0000 | [diff] [blame] | 320 | |
bart | 5fd2814 | 2009-06-10 19:24:20 +0000 | [diff] [blame] | 321 | tl_assert(a1 < a2); |
bart | 5e85d26 | 2008-03-01 10:49:37 +0000 | [diff] [blame] | 322 | |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 323 | if (UNLIKELY(DRD_(any_address_is_traced)())) |
| 324 | { |
| 325 | DRD_(trace_mem_access)(a1, len, eEnd); |
| 326 | } |
| 327 | if (! is_stack_mem || DRD_(get_check_stack_accesses)()) |
| 328 | { |
| 329 | DRD_(thread_stop_using_mem)(a1, a2); |
| 330 | DRD_(clientobj_stop_using_mem)(a1, a2); |
| 331 | DRD_(suppression_stop_using_mem)(a1, a2); |
| 332 | } |
bart | 0ffa483 | 2008-04-05 12:57:01 +0000 | [diff] [blame] | 333 | } |
| 334 | |
| 335 | static __inline__ |
| 336 | void drd_stop_using_nonstack_mem(const Addr a1, const SizeT len) |
| 337 | { |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 338 | drd_stop_using_mem(a1, len, False); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 339 | } |
| 340 | |
bart | 1335ecc | 2009-02-14 16:10:53 +0000 | [diff] [blame] | 341 | /** |
bart | fdaa018 | 2009-03-10 09:25:32 +0000 | [diff] [blame] | 342 | * Discard all information DRD has about memory accesses and client objects |
| 343 | * in the specified address range. |
| 344 | */ |
| 345 | void DRD_(clean_memory)(const Addr a1, const SizeT len) |
| 346 | { |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 347 | const Bool is_stack_memory = DRD_(thread_address_on_any_stack)(a1); |
| 348 | drd_stop_using_mem(a1, len, is_stack_memory); |
| 349 | drd_start_using_mem(a1, len); |
bart | fdaa018 | 2009-03-10 09:25:32 +0000 | [diff] [blame] | 350 | } |
| 351 | |
| 352 | /** |
bart | 1335ecc | 2009-02-14 16:10:53 +0000 | [diff] [blame] | 353 | * Suppress data race reports on all addresses contained in .plt and |
| 354 | * .got.plt sections inside the address range [ a, a + len [. The data in |
| 355 | * these sections is modified by _dl_relocate_object() every time a function |
| 356 | * in a shared library is called for the first time. Since the first call |
| 357 | * to a function in a shared library can happen from a multithreaded context, |
| 358 | * such calls can cause conflicting accesses. See also Ulrich Drepper's |
| 359 | * paper "How to Write Shared Libraries" for more information about relocation |
| 360 | * (http://people.redhat.com/drepper/dsohowto.pdf). |
bart | cb2d007 | 2008-05-31 07:55:51 +0000 | [diff] [blame] | 361 | */ |
bart | 1335ecc | 2009-02-14 16:10:53 +0000 | [diff] [blame] | 362 | static void DRD_(suppress_relocation_conflicts)(const Addr a, const SizeT len) |
bart | cb2d007 | 2008-05-31 07:55:51 +0000 | [diff] [blame] | 363 | { |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 364 | const DebugInfo* di; |
bart | cb2d007 | 2008-05-31 07:55:51 +0000 | [diff] [blame] | 365 | |
| 366 | #if 0 |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 367 | VG_(printf)("Evaluating range @ 0x%lx size %ld\n", a, len); |
bart | cb2d007 | 2008-05-31 07:55:51 +0000 | [diff] [blame] | 368 | #endif |
| 369 | |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 370 | for (di = VG_(next_seginfo)(0); di; di = VG_(next_seginfo)(di)) |
| 371 | { |
| 372 | Addr avma; |
| 373 | SizeT size; |
bart | cb2d007 | 2008-05-31 07:55:51 +0000 | [diff] [blame] | 374 | |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 375 | avma = VG_(seginfo_get_plt_avma)(di); |
| 376 | size = VG_(seginfo_get_plt_size)(di); |
| 377 | tl_assert((avma && size) || (avma == 0 && size == 0)); |
| 378 | if (size > 0) |
| 379 | { |
bart | cb2d007 | 2008-05-31 07:55:51 +0000 | [diff] [blame] | 380 | #if 0 |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 381 | VG_(printf)("Suppressing .plt @ 0x%lx size %ld\n", avma, size); |
bart | cb2d007 | 2008-05-31 07:55:51 +0000 | [diff] [blame] | 382 | #endif |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 383 | tl_assert(VG_(seginfo_sect_kind)(NULL, 0, avma) == Vg_SectPLT); |
| 384 | DRD_(start_suppression)(avma, avma + size, ".plt"); |
| 385 | } |
bart | cb2d007 | 2008-05-31 07:55:51 +0000 | [diff] [blame] | 386 | |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 387 | avma = VG_(seginfo_get_gotplt_avma)(di); |
| 388 | size = VG_(seginfo_get_gotplt_size)(di); |
| 389 | tl_assert((avma && size) || (avma == 0 && size == 0)); |
| 390 | if (size > 0) |
| 391 | { |
bart | cb2d007 | 2008-05-31 07:55:51 +0000 | [diff] [blame] | 392 | #if 0 |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 393 | VG_(printf)("Suppressing .got.plt @ 0x%lx size %ld\n", avma, size); |
bart | cb2d007 | 2008-05-31 07:55:51 +0000 | [diff] [blame] | 394 | #endif |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 395 | tl_assert(VG_(seginfo_sect_kind)(NULL, 0, avma) == Vg_SectGOTPLT); |
| 396 | DRD_(start_suppression)(avma, avma + size, ".gotplt"); |
| 397 | } |
| 398 | } |
bart | cb2d007 | 2008-05-31 07:55:51 +0000 | [diff] [blame] | 399 | } |
| 400 | |
bart | 5e85d26 | 2008-03-01 10:49:37 +0000 | [diff] [blame] | 401 | static |
| 402 | void drd_start_using_mem_w_perms(const Addr a, const SizeT len, |
sewardj | 9c606bd | 2008-09-18 18:12:50 +0000 | [diff] [blame] | 403 | const Bool rr, const Bool ww, const Bool xx, |
| 404 | ULong di_handle) |
bart | 5e85d26 | 2008-03-01 10:49:37 +0000 | [diff] [blame] | 405 | { |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 406 | DRD_(thread_set_vg_running_tid)(VG_(get_running_tid)()); |
bart | d576591 | 2008-03-16 08:40:55 +0000 | [diff] [blame] | 407 | |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 408 | drd_start_using_mem(a, len); |
bart | cb2d007 | 2008-05-31 07:55:51 +0000 | [diff] [blame] | 409 | |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 410 | DRD_(suppress_relocation_conflicts)(a, len); |
bart | 5e85d26 | 2008-03-01 10:49:37 +0000 | [diff] [blame] | 411 | } |
| 412 | |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 413 | /* Called by the core when the stack of a thread grows, to indicate that */ |
| 414 | /* the addresses in range [ a, a + len [ may now be used by the client. */ |
| 415 | /* Assumption: stacks grow downward. */ |
bart | 0886562 | 2008-06-06 14:31:36 +0000 | [diff] [blame] | 416 | static __inline__ |
| 417 | void drd_start_using_mem_stack(const Addr a, const SizeT len) |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 418 | { |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 419 | DRD_(thread_set_stack_min)(DRD_(thread_get_running_tid)(), |
| 420 | a - VG_STACK_REDZONE_SZB); |
| 421 | drd_start_using_mem(a - VG_STACK_REDZONE_SZB, |
| 422 | len + VG_STACK_REDZONE_SZB); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 423 | } |
| 424 | |
| 425 | /* Called by the core when the stack of a thread shrinks, to indicate that */ |
| 426 | /* the addresses [ a, a + len [ are no longer accessible for the client. */ |
| 427 | /* Assumption: stacks grow downward. */ |
bart | 0886562 | 2008-06-06 14:31:36 +0000 | [diff] [blame] | 428 | static __inline__ |
| 429 | void drd_stop_using_mem_stack(const Addr a, const SizeT len) |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 430 | { |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 431 | DRD_(thread_set_stack_min)(DRD_(thread_get_running_tid)(), |
| 432 | a + len - VG_STACK_REDZONE_SZB); |
| 433 | drd_stop_using_mem(a - VG_STACK_REDZONE_SZB, len + VG_STACK_REDZONE_SZB, |
| 434 | True); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 435 | } |
| 436 | |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 437 | /** |
| 438 | * Callback function called by the Valgrind core before a stack area is |
| 439 | * being used by a signal handler. |
| 440 | * |
| 441 | * @param[in] a Start of address range. |
| 442 | * @param[in] len Address range length. |
| 443 | * @param[in] tid Valgrind thread ID for whom the signal frame is being |
| 444 | * constructed. |
| 445 | */ |
| 446 | static void drd_start_using_mem_stack_signal(const Addr a, const SizeT len, |
| 447 | ThreadId tid) |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 448 | { |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 449 | DRD_(thread_set_vg_running_tid)(VG_(get_running_tid)()); |
| 450 | drd_start_using_mem(a, len); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 451 | } |
| 452 | |
bart | 5e85d26 | 2008-03-01 10:49:37 +0000 | [diff] [blame] | 453 | static void drd_stop_using_mem_stack_signal(Addr a, SizeT len) |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 454 | { |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 455 | drd_stop_using_mem(a, len, True); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 456 | } |
| 457 | |
| 458 | static |
| 459 | void drd_pre_thread_create(const ThreadId creator, const ThreadId created) |
| 460 | { |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 461 | const DrdThreadId drd_creator = DRD_(VgThreadIdToDrdThreadId)(creator); |
| 462 | tl_assert(created != VG_INVALID_THREADID); |
| 463 | DRD_(thread_pre_create)(drd_creator, created); |
| 464 | if (DRD_(IsValidDrdThreadId)(drd_creator)) |
| 465 | { |
| 466 | DRD_(thread_new_segment)(drd_creator); |
| 467 | } |
| 468 | if (DRD_(thread_get_trace_fork_join)()) |
| 469 | { |
| 470 | VG_(message)(Vg_DebugMsg, |
| 471 | "drd_pre_thread_create creator = %d/%d, created = %d", |
| 472 | creator, drd_creator, created); |
| 473 | } |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 474 | } |
| 475 | |
| 476 | /* Called by Valgrind's core before any loads or stores are performed on */ |
| 477 | /* the context of thread "created". At startup, this function is called */ |
| 478 | /* with arguments (0,1). */ |
| 479 | static |
bart | 0ffa483 | 2008-04-05 12:57:01 +0000 | [diff] [blame] | 480 | void drd_post_thread_create(const ThreadId vg_created) |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 481 | { |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 482 | DrdThreadId drd_created; |
bart | 0ffa483 | 2008-04-05 12:57:01 +0000 | [diff] [blame] | 483 | |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 484 | tl_assert(vg_created != VG_INVALID_THREADID); |
bart | 0ffa483 | 2008-04-05 12:57:01 +0000 | [diff] [blame] | 485 | |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 486 | drd_created = DRD_(thread_post_create)(vg_created); |
| 487 | if (DRD_(thread_get_trace_fork_join)()) |
| 488 | { |
| 489 | VG_(message)(Vg_DebugMsg, |
| 490 | "drd_post_thread_create created = %d/%d", |
| 491 | vg_created, drd_created); |
| 492 | } |
| 493 | if (! DRD_(get_check_stack_accesses)()) |
| 494 | { |
| 495 | DRD_(start_suppression)(DRD_(thread_get_stack_max)(drd_created) |
| 496 | - DRD_(thread_get_stack_size)(drd_created), |
| 497 | DRD_(thread_get_stack_max)(drd_created), |
| 498 | "stack"); |
| 499 | } |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 500 | } |
| 501 | |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 502 | /* Called after a thread has performed its last memory access. */ |
bart | d43f8d3 | 2008-03-16 17:29:20 +0000 | [diff] [blame] | 503 | static void drd_thread_finished(ThreadId vg_tid) |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 504 | { |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 505 | DrdThreadId drd_tid; |
sewardj | 8564292 | 2008-01-14 11:54:56 +0000 | [diff] [blame] | 506 | |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 507 | tl_assert(VG_(get_running_tid)() == vg_tid); |
sewardj | 8564292 | 2008-01-14 11:54:56 +0000 | [diff] [blame] | 508 | |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 509 | drd_tid = DRD_(VgThreadIdToDrdThreadId)(vg_tid); |
| 510 | if (DRD_(thread_get_trace_fork_join)()) |
| 511 | { |
| 512 | VG_(message)(Vg_DebugMsg, |
| 513 | "drd_thread_finished tid = %d/%d%s", |
| 514 | vg_tid, |
| 515 | drd_tid, |
| 516 | DRD_(thread_get_joinable)(drd_tid) |
| 517 | ? "" |
| 518 | : " (which is a detached thread)"); |
| 519 | } |
| 520 | if (DRD_(s_show_stack_usage)) |
| 521 | { |
| 522 | const SizeT stack_size = DRD_(thread_get_stack_size)(drd_tid); |
| 523 | const SizeT used_stack |
| 524 | = (DRD_(thread_get_stack_max)(drd_tid) |
| 525 | - DRD_(thread_get_stack_min_min)(drd_tid)); |
| 526 | VG_(message)(Vg_UserMsg, |
| 527 | "thread %d/%d%s finished and used %ld bytes out of %ld" |
| 528 | " on its stack. Margin: %ld bytes.", |
| 529 | vg_tid, |
| 530 | drd_tid, |
| 531 | DRD_(thread_get_joinable)(drd_tid) |
| 532 | ? "" |
| 533 | : " (which is a detached thread)", |
| 534 | used_stack, |
| 535 | stack_size, |
| 536 | stack_size - used_stack); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 537 | |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 538 | } |
| 539 | drd_stop_using_mem(DRD_(thread_get_stack_min)(drd_tid), |
| 540 | DRD_(thread_get_stack_max)(drd_tid) |
| 541 | - DRD_(thread_get_stack_min)(drd_tid), |
| 542 | True); |
bart | d45d995 | 2009-05-31 18:53:54 +0000 | [diff] [blame] | 543 | DRD_(thread_set_record_loads)(drd_tid, False); |
| 544 | DRD_(thread_set_record_stores)(drd_tid, False); |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 545 | DRD_(thread_finished)(drd_tid); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 546 | } |
| 547 | |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 548 | // |
| 549 | // Implementation of the tool interface. |
| 550 | // |
| 551 | |
bart | 1335ecc | 2009-02-14 16:10:53 +0000 | [diff] [blame] | 552 | static void DRD_(post_clo_init)(void) |
sewardj | dcbb8d3 | 2007-11-26 21:34:30 +0000 | [diff] [blame] | 553 | { |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 554 | # if defined(VGP_x86_linux) || defined(VGP_amd64_linux) \ |
| 555 | || defined(VGP_ppc32_linux) || defined(VGP_ppc64_linux) |
| 556 | /* fine */ |
sewardj | dcbb8d3 | 2007-11-26 21:34:30 +0000 | [diff] [blame] | 557 | # else |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 558 | VG_(printf)("\nWARNING: DRD has only been tested on Linux.\n\n"); |
sewardj | dcbb8d3 | 2007-11-26 21:34:30 +0000 | [diff] [blame] | 559 | # endif |
bart | 95761b5 | 2008-03-29 08:34:03 +0000 | [diff] [blame] | 560 | |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 561 | if (DRD_(s_var_info)) |
| 562 | { |
| 563 | VG_(needs_var_info)(); |
| 564 | } |
sewardj | dcbb8d3 | 2007-11-26 21:34:30 +0000 | [diff] [blame] | 565 | } |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 566 | |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 567 | static void drd_start_client_code(const ThreadId tid, const ULong bbs_done) |
| 568 | { |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 569 | tl_assert(tid == VG_(get_running_tid)()); |
| 570 | DRD_(thread_set_vg_running_tid)(tid); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 571 | } |
| 572 | |
bart | 1335ecc | 2009-02-14 16:10:53 +0000 | [diff] [blame] | 573 | static void DRD_(fini)(Int exitcode) |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 574 | { |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 575 | // thread_print_all(); |
| 576 | if (VG_(clo_verbosity) > 1 || DRD_(s_print_stats)) |
| 577 | { |
bart | e521466 | 2009-06-21 11:51:23 +0000 | [diff] [blame] | 578 | ULong pu = DRD_(thread_get_update_conflict_set_count)(); |
| 579 | ULong pu_seg_cr = DRD_(thread_get_update_conflict_set_new_sg_count)(); |
| 580 | ULong pu_mtx_cv = DRD_(thread_get_update_conflict_set_sync_count)(); |
| 581 | ULong pu_join = DRD_(thread_get_update_conflict_set_join_count)(); |
| 582 | |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 583 | VG_(message)(Vg_UserMsg, |
bart | e521466 | 2009-06-21 11:51:23 +0000 | [diff] [blame] | 584 | " thread: %lld context switches.", |
bart | 54803fe | 2009-06-21 09:26:27 +0000 | [diff] [blame] | 585 | DRD_(thread_get_context_switch_count)()); |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 586 | VG_(message)(Vg_UserMsg, |
bart | e521466 | 2009-06-21 11:51:23 +0000 | [diff] [blame] | 587 | "confl set: %lld full updates and %lld partial updates;", |
bart | 54803fe | 2009-06-21 09:26:27 +0000 | [diff] [blame] | 588 | DRD_(thread_get_compute_conflict_set_count)(), |
bart | e521466 | 2009-06-21 11:51:23 +0000 | [diff] [blame] | 589 | pu); |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 590 | VG_(message)(Vg_UserMsg, |
bart | e521466 | 2009-06-21 11:51:23 +0000 | [diff] [blame] | 591 | " %lld partial updates during segment creation,", |
| 592 | pu_seg_cr); |
| 593 | VG_(message)(Vg_UserMsg, |
| 594 | " %lld because of mutex/sema/cond.var. operations,", |
| 595 | pu_mtx_cv); |
| 596 | VG_(message)(Vg_UserMsg, |
| 597 | " %lld because of barrier/rwlock operations and", |
| 598 | pu - pu_seg_cr - pu_mtx_cv - pu_join); |
| 599 | VG_(message)(Vg_UserMsg, |
| 600 | " %lld partial updates because of thread join" |
| 601 | " operations.", |
| 602 | pu_join); |
| 603 | VG_(message)(Vg_UserMsg, |
| 604 | " segments: created %lld segments, max %lld alive,", |
bart | 9dedafe | 2009-06-21 18:09:02 +0000 | [diff] [blame^] | 605 | DRD_(sg_get_segments_created_count)(), |
| 606 | DRD_(sg_get_max_segments_alive_count)()); |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 607 | VG_(message)(Vg_UserMsg, |
bart | e521466 | 2009-06-21 11:51:23 +0000 | [diff] [blame] | 608 | " %lld discard points and %lld merges.", |
bart | 9dedafe | 2009-06-21 18:09:02 +0000 | [diff] [blame^] | 609 | DRD_(thread_get_discard_ordered_segments_count)(), |
bart | 1a3b0b3 | 2009-05-03 17:07:34 +0000 | [diff] [blame] | 610 | DRD_(sg_get_segment_merge_count)()); |
| 611 | VG_(message)(Vg_UserMsg, |
bart | 54803fe | 2009-06-21 09:26:27 +0000 | [diff] [blame] | 612 | "segmnt cr: %lld mutex, %lld rwlock, %lld semaphore and" |
| 613 | " %lld barrier.", |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 614 | DRD_(get_mutex_segment_creation_count)(), |
| 615 | DRD_(get_rwlock_segment_creation_count)(), |
| 616 | DRD_(get_semaphore_segment_creation_count)(), |
| 617 | DRD_(get_barrier_segment_creation_count)()); |
| 618 | VG_(message)(Vg_UserMsg, |
bart | 9dedafe | 2009-06-21 18:09:02 +0000 | [diff] [blame^] | 619 | " bitmaps: %lld level one" |
| 620 | " and %lld level two bitmaps were allocated.", |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 621 | DRD_(bm_get_bitmap_creation_count)(), |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 622 | DRD_(bm_get_bitmap2_creation_count)()); |
| 623 | VG_(message)(Vg_UserMsg, |
| 624 | " mutex: %lld non-recursive lock/unlock events.", |
| 625 | DRD_(get_mutex_lock_count)()); |
| 626 | DRD_(print_malloc_stats)(); |
| 627 | } |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 628 | } |
| 629 | |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 630 | static |
| 631 | void drd_pre_clo_init(void) |
| 632 | { |
njn | f76d27a | 2009-05-28 01:53:07 +0000 | [diff] [blame] | 633 | #if defined(VGO_darwin) |
| 634 | // This makes the (all-failing) regtests run much faster. |
| 635 | VG_(printf)("DRD doesn't work on Darwin yet, sorry.\n"); |
| 636 | VG_(exit)(1); |
| 637 | #endif |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 638 | |
njn | f76d27a | 2009-05-28 01:53:07 +0000 | [diff] [blame] | 639 | // Basic tool stuff. |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 640 | VG_(details_name) ("drd"); |
| 641 | VG_(details_version) (NULL); |
| 642 | VG_(details_description) ("a thread error detector"); |
| 643 | VG_(details_copyright_author)("Copyright (C) 2006-2009, and GNU GPL'd," |
| 644 | " by Bart Van Assche."); |
| 645 | VG_(details_bug_reports_to) (VG_BUGS_TO); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 646 | |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 647 | VG_(basic_tool_funcs) (DRD_(post_clo_init), |
| 648 | DRD_(instrument), |
| 649 | DRD_(fini)); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 650 | |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 651 | // Command line stuff. |
| 652 | VG_(needs_command_line_options)(DRD_(process_cmd_line_option), |
| 653 | DRD_(print_usage), |
| 654 | DRD_(print_debug_usage)); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 655 | |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 656 | // Error handling. |
| 657 | DRD_(register_error_handlers)(); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 658 | |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 659 | // Core event tracking. |
| 660 | VG_(track_pre_mem_read) (drd_pre_mem_read); |
| 661 | VG_(track_pre_mem_read_asciiz) (drd_pre_mem_read_asciiz); |
| 662 | VG_(track_post_mem_write) (drd_post_mem_write); |
| 663 | VG_(track_new_mem_brk) (drd_start_using_mem_w_tid); |
| 664 | VG_(track_new_mem_mmap) (drd_start_using_mem_w_perms); |
| 665 | VG_(track_new_mem_stack) (drd_start_using_mem_stack); |
| 666 | VG_(track_new_mem_stack_signal) (drd_start_using_mem_stack_signal); |
| 667 | VG_(track_new_mem_startup) (drd_start_using_mem_w_perms); |
| 668 | VG_(track_die_mem_brk) (drd_stop_using_nonstack_mem); |
| 669 | VG_(track_die_mem_munmap) (drd_stop_using_nonstack_mem); |
| 670 | VG_(track_die_mem_stack) (drd_stop_using_mem_stack); |
| 671 | VG_(track_die_mem_stack_signal) (drd_stop_using_mem_stack_signal); |
| 672 | VG_(track_start_client_code) (drd_start_client_code); |
| 673 | VG_(track_pre_thread_ll_create) (drd_pre_thread_create); |
| 674 | VG_(track_pre_thread_first_insn)(drd_post_thread_create); |
| 675 | VG_(track_pre_thread_ll_exit) (drd_thread_finished); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 676 | |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 677 | // Other stuff. |
| 678 | DRD_(register_malloc_wrappers)(drd_start_using_mem_w_ecu, |
| 679 | drd_stop_using_nonstack_mem); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 680 | |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 681 | DRD_(clientreq_init)(); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 682 | |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 683 | DRD_(suppression_init)(); |
bart | 4bb53d8 | 2008-02-28 19:06:34 +0000 | [diff] [blame] | 684 | |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 685 | DRD_(clientobj_init)(); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 686 | } |
| 687 | |
| 688 | |
| 689 | VG_DETERMINE_INTERFACE_VERSION(drd_pre_clo_init) |