sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 1 | /* |
bart | 86562bd | 2009-02-16 19:43:56 +0000 | [diff] [blame] | 2 | This file is part of drd, a thread error detector. |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 3 | |
sewardj | 03f8d3f | 2012-08-05 15:46:46 +0000 | [diff] [blame] | 4 | Copyright (C) 2006-2012 Bart Van Assche <bvanassche@acm.org>. |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 5 | |
| 6 | This program is free software; you can redistribute it and/or |
| 7 | modify it under the terms of the GNU General Public License as |
| 8 | published by the Free Software Foundation; either version 2 of the |
| 9 | License, or (at your option) any later version. |
| 10 | |
| 11 | This program is distributed in the hope that it will be useful, but |
| 12 | WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 14 | General Public License for more details. |
| 15 | |
| 16 | You should have received a copy of the GNU General Public License |
| 17 | along with this program; if not, write to the Free Software |
| 18 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| 19 | 02111-1307, USA. |
| 20 | |
| 21 | The GNU General Public License is contained in the file COPYING. |
| 22 | */ |
| 23 | |
| 24 | |
sewardj | 8564292 | 2008-01-14 11:54:56 +0000 | [diff] [blame] | 25 | #include "drd_barrier.h" |
bart | 4bb53d8 | 2008-02-28 19:06:34 +0000 | [diff] [blame] | 26 | #include "drd_clientobj.h" |
bart | 09dc13f | 2009-02-14 15:13:31 +0000 | [diff] [blame] | 27 | #include "drd_clientreq.h" |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 28 | #include "drd_cond.h" |
| 29 | #include "drd_error.h" |
bart | c182467 | 2011-03-12 14:07:09 +0000 | [diff] [blame] | 30 | #include "drd_hb.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" |
sewardj | 234e558 | 2011-02-09 12:47:23 +0000 | [diff] [blame] | 54 | #include "pub_tool_aspacemgr.h" // VG_(am_is_valid_for_client) |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 55 | |
| 56 | |
bart | 1335ecc | 2009-02-14 16:10:53 +0000 | [diff] [blame] | 57 | /* Local variables. */ |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 58 | |
bart | 7d5f523 | 2011-03-13 09:08:10 +0000 | [diff] [blame] | 59 | static Bool s_print_stats; |
| 60 | static Bool s_var_info; |
| 61 | static Bool s_show_stack_usage; |
| 62 | static Bool s_trace_alloc; |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 63 | |
| 64 | |
bart | 1335ecc | 2009-02-14 16:10:53 +0000 | [diff] [blame] | 65 | /** |
| 66 | * Implement the needs_command_line_options for drd. |
| 67 | */ |
florian | 19f91bb | 2012-11-10 22:29:54 +0000 | [diff] [blame] | 68 | static Bool DRD_(process_cmd_line_option)(const HChar* arg) |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 69 | { |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 70 | int check_stack_accesses = -1; |
bart | 6d956dc | 2011-07-28 09:54:37 +0000 | [diff] [blame] | 71 | int join_list_vol = -1; |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 72 | int exclusive_threshold_ms = -1; |
bart | f98a569 | 2009-05-03 17:17:37 +0000 | [diff] [blame] | 73 | int first_race_only = -1; |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 74 | int report_signal_unlocked = -1; |
| 75 | int segment_merging = -1; |
bart | 8f822af | 2009-06-08 18:20:42 +0000 | [diff] [blame] | 76 | int segment_merge_interval = -1; |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 77 | int shared_threshold_ms = -1; |
| 78 | int show_confl_seg = -1; |
| 79 | int trace_barrier = -1; |
| 80 | int trace_clientobj = -1; |
| 81 | int trace_cond = -1; |
| 82 | int trace_csw = -1; |
| 83 | int trace_fork_join = -1; |
bart | c182467 | 2011-03-12 14:07:09 +0000 | [diff] [blame] | 84 | int trace_hb = -1; |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 85 | int trace_conflict_set = -1; |
bart | 8f822af | 2009-06-08 18:20:42 +0000 | [diff] [blame] | 86 | int trace_conflict_set_bm = -1; |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 87 | int trace_mutex = -1; |
| 88 | int trace_rwlock = -1; |
| 89 | int trace_segment = -1; |
| 90 | int trace_semaphore = -1; |
| 91 | int trace_suppression = -1; |
florian | 19f91bb | 2012-11-10 22:29:54 +0000 | [diff] [blame] | 92 | const HChar* trace_address = 0; |
| 93 | const HChar* ptrace_address= 0; |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 94 | |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 95 | if VG_BOOL_CLO(arg, "--check-stack-var", check_stack_accesses) {} |
bart | 6d956dc | 2011-07-28 09:54:37 +0000 | [diff] [blame] | 96 | else if VG_INT_CLO (arg, "--join-list-vol", join_list_vol) {} |
bart | 75c1cba | 2010-08-29 07:20:30 +0000 | [diff] [blame] | 97 | else if VG_BOOL_CLO(arg, "--drd-stats", s_print_stats) {} |
bart | f98a569 | 2009-05-03 17:17:37 +0000 | [diff] [blame] | 98 | else if VG_BOOL_CLO(arg, "--first-race-only", first_race_only) {} |
bart | 7d5f523 | 2011-03-13 09:08:10 +0000 | [diff] [blame] | 99 | else if VG_BOOL_CLO(arg, "--free-is-write", DRD_(g_free_is_write)) {} |
bart | 8f822af | 2009-06-08 18:20:42 +0000 | [diff] [blame] | 100 | else if VG_BOOL_CLO(arg,"--report-signal-unlocked",report_signal_unlocked) |
| 101 | {} |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 102 | else if VG_BOOL_CLO(arg, "--segment-merging", segment_merging) {} |
bart | 8f822af | 2009-06-08 18:20:42 +0000 | [diff] [blame] | 103 | else if VG_INT_CLO (arg, "--segment-merging-interval", segment_merge_interval) |
| 104 | {} |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 105 | else if VG_BOOL_CLO(arg, "--show-confl-seg", show_confl_seg) {} |
bart | 75c1cba | 2010-08-29 07:20:30 +0000 | [diff] [blame] | 106 | else if VG_BOOL_CLO(arg, "--show-stack-usage", s_show_stack_usage) {} |
bart | f9427fd | 2010-08-29 09:19:07 +0000 | [diff] [blame] | 107 | else if VG_BOOL_CLO(arg, "--trace-alloc", s_trace_alloc) {} |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 108 | else if VG_BOOL_CLO(arg, "--trace-barrier", trace_barrier) {} |
| 109 | else if VG_BOOL_CLO(arg, "--trace-clientobj", trace_clientobj) {} |
| 110 | else if VG_BOOL_CLO(arg, "--trace-cond", trace_cond) {} |
| 111 | else if VG_BOOL_CLO(arg, "--trace-conflict-set", trace_conflict_set) {} |
bart | 8f822af | 2009-06-08 18:20:42 +0000 | [diff] [blame] | 112 | 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] | 113 | else if VG_BOOL_CLO(arg, "--trace-csw", trace_csw) {} |
| 114 | else if VG_BOOL_CLO(arg, "--trace-fork-join", trace_fork_join) {} |
bart | c182467 | 2011-03-12 14:07:09 +0000 | [diff] [blame] | 115 | else if VG_BOOL_CLO(arg, "--trace-hb", trace_hb) {} |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 116 | else if VG_BOOL_CLO(arg, "--trace-mutex", trace_mutex) {} |
| 117 | else if VG_BOOL_CLO(arg, "--trace-rwlock", trace_rwlock) {} |
| 118 | else if VG_BOOL_CLO(arg, "--trace-segment", trace_segment) {} |
| 119 | else if VG_BOOL_CLO(arg, "--trace-semaphore", trace_semaphore) {} |
| 120 | else if VG_BOOL_CLO(arg, "--trace-suppr", trace_suppression) {} |
bart | 75c1cba | 2010-08-29 07:20:30 +0000 | [diff] [blame] | 121 | else if VG_BOOL_CLO(arg, "--var-info", s_var_info) {} |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 122 | else if VG_INT_CLO (arg, "--exclusive-threshold", exclusive_threshold_ms) {} |
bart | 41a378a | 2012-01-24 18:39:29 +0000 | [diff] [blame] | 123 | else if VG_STR_CLO (arg, "--ptrace-addr", ptrace_address) {} |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 124 | else if VG_INT_CLO (arg, "--shared-threshold", shared_threshold_ms) {} |
| 125 | else if VG_STR_CLO (arg, "--trace-addr", trace_address) {} |
| 126 | else |
| 127 | return VG_(replacement_malloc_process_cmd_line_option)(arg); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 128 | |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 129 | if (check_stack_accesses != -1) |
| 130 | DRD_(set_check_stack_accesses)(check_stack_accesses); |
| 131 | if (exclusive_threshold_ms != -1) |
| 132 | { |
| 133 | DRD_(mutex_set_lock_threshold)(exclusive_threshold_ms); |
| 134 | DRD_(rwlock_set_exclusive_threshold)(exclusive_threshold_ms); |
| 135 | } |
bart | f98a569 | 2009-05-03 17:17:37 +0000 | [diff] [blame] | 136 | if (first_race_only != -1) |
| 137 | { |
| 138 | DRD_(set_first_race_only)(first_race_only); |
| 139 | } |
bart | 6d956dc | 2011-07-28 09:54:37 +0000 | [diff] [blame] | 140 | if (join_list_vol != -1) |
| 141 | DRD_(thread_set_join_list_vol)(join_list_vol); |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 142 | if (report_signal_unlocked != -1) |
| 143 | { |
| 144 | DRD_(cond_set_report_signal_unlocked)(report_signal_unlocked); |
| 145 | } |
| 146 | if (shared_threshold_ms != -1) |
| 147 | { |
| 148 | DRD_(rwlock_set_shared_threshold)(shared_threshold_ms); |
| 149 | } |
| 150 | if (segment_merging != -1) |
| 151 | DRD_(thread_set_segment_merging)(segment_merging); |
bart | 109d5da | 2009-06-22 18:06:29 +0000 | [diff] [blame] | 152 | if (segment_merge_interval != -1) |
bart | 8f822af | 2009-06-08 18:20:42 +0000 | [diff] [blame] | 153 | DRD_(thread_set_segment_merge_interval)(segment_merge_interval); |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 154 | if (show_confl_seg != -1) |
| 155 | DRD_(set_show_conflicting_segments)(show_confl_seg); |
bart | 41a378a | 2012-01-24 18:39:29 +0000 | [diff] [blame] | 156 | if (trace_address) { |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 157 | const Addr addr = VG_(strtoll16)(trace_address, 0); |
bart | 41a378a | 2012-01-24 18:39:29 +0000 | [diff] [blame] | 158 | DRD_(start_tracing_address_range)(addr, addr + 1, False); |
| 159 | } |
| 160 | if (ptrace_address) { |
| 161 | const Addr addr = VG_(strtoll16)(ptrace_address, 0); |
| 162 | DRD_(start_tracing_address_range)(addr, addr + 1, True); |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 163 | } |
| 164 | if (trace_barrier != -1) |
| 165 | DRD_(barrier_set_trace)(trace_barrier); |
| 166 | if (trace_clientobj != -1) |
| 167 | DRD_(clientobj_set_trace)(trace_clientobj); |
| 168 | if (trace_cond != -1) |
| 169 | DRD_(cond_set_trace)(trace_cond); |
| 170 | if (trace_csw != -1) |
| 171 | DRD_(thread_trace_context_switches)(trace_csw); |
| 172 | if (trace_fork_join != -1) |
| 173 | DRD_(thread_set_trace_fork_join)(trace_fork_join); |
bart | c182467 | 2011-03-12 14:07:09 +0000 | [diff] [blame] | 174 | if (trace_hb != -1) |
| 175 | DRD_(hb_set_trace)(trace_hb); |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 176 | if (trace_conflict_set != -1) |
| 177 | DRD_(thread_trace_conflict_set)(trace_conflict_set); |
bart | 8f822af | 2009-06-08 18:20:42 +0000 | [diff] [blame] | 178 | if (trace_conflict_set_bm != -1) |
| 179 | DRD_(thread_trace_conflict_set_bm)(trace_conflict_set_bm); |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 180 | if (trace_mutex != -1) |
| 181 | DRD_(mutex_set_trace)(trace_mutex); |
| 182 | if (trace_rwlock != -1) |
| 183 | DRD_(rwlock_set_trace)(trace_rwlock); |
| 184 | if (trace_segment != -1) |
| 185 | DRD_(sg_set_trace)(trace_segment); |
| 186 | if (trace_semaphore != -1) |
| 187 | DRD_(semaphore_set_trace)(trace_semaphore); |
| 188 | if (trace_suppression != -1) |
| 189 | DRD_(suppression_set_trace)(trace_suppression); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 190 | |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 191 | return True; |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 192 | } |
| 193 | |
bart | 1335ecc | 2009-02-14 16:10:53 +0000 | [diff] [blame] | 194 | static void DRD_(print_usage)(void) |
bart | bd7e56e | 2008-03-31 18:14:12 +0000 | [diff] [blame] | 195 | { |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 196 | VG_(printf)( |
bart | 0ffa483 | 2008-04-05 12:57:01 +0000 | [diff] [blame] | 197 | " --check-stack-var=yes|no Whether or not to report data races on\n" |
| 198 | " stack variables [no].\n" |
bart | 9d5b796 | 2008-05-14 12:25:00 +0000 | [diff] [blame] | 199 | " --exclusive-threshold=<n> Print an error message if any mutex or\n" |
bart | 8600c42 | 2010-10-25 18:18:54 +0000 | [diff] [blame] | 200 | " writer lock is held longer than the specified\n" |
| 201 | " time (in milliseconds) [off].\n" |
bart | 1a3b0b3 | 2009-05-03 17:07:34 +0000 | [diff] [blame] | 202 | " --first-race-only=yes|no Only report the first data race that occurs on\n" |
| 203 | " a memory location instead of all races [no].\n" |
bart | 639d0ad | 2011-03-12 14:26:01 +0000 | [diff] [blame] | 204 | " --free-is-write=yes|no Whether to report races between freeing memory\n" |
| 205 | " and subsequent accesses of that memory[no].\n" |
bart | 505b35c | 2011-10-13 18:51:47 +0000 | [diff] [blame] | 206 | " --join-list-vol=<n> Number of threads to delay cleanup for [10].\n" |
bart | 46b5fce | 2008-06-28 13:01:30 +0000 | [diff] [blame] | 207 | " --report-signal-unlocked=yes|no Whether to report calls to\n" |
| 208 | " pthread_cond_signal() where the mutex associated\n" |
| 209 | " with the signal via pthread_cond_wait() is not\n" |
| 210 | " locked at the time the signal is sent [yes].\n" |
bart | 130463a | 2008-04-01 17:03:33 +0000 | [diff] [blame] | 211 | " --segment-merging=yes|no Controls segment merging [yes].\n" |
bart | bd7e56e | 2008-03-31 18:14:12 +0000 | [diff] [blame] | 212 | " Segment merging is an algorithm to limit memory usage of the\n" |
| 213 | " data race detection algorithm. Disabling segment merging may\n" |
| 214 | " improve the accuracy of the so-called 'other segments' displayed\n" |
| 215 | " in race reports but can also trigger an out of memory error.\n" |
bart | 8f822af | 2009-06-08 18:20:42 +0000 | [diff] [blame] | 216 | " --segment-merging-interval=<n> Perform segment merging every time n new\n" |
| 217 | " segments have been created. Default: %d.\n" |
bart | 9d5b796 | 2008-05-14 12:25:00 +0000 | [diff] [blame] | 218 | " --shared-threshold=<n> Print an error message if a reader lock\n" |
bart | 8600c42 | 2010-10-25 18:18:54 +0000 | [diff] [blame] | 219 | " is held longer than the specified time (in\n" |
| 220 | " milliseconds) [off]\n" |
bart | 130463a | 2008-04-01 17:03:33 +0000 | [diff] [blame] | 221 | " --show-confl-seg=yes|no Show conflicting segments in race reports [yes].\n" |
| 222 | " --show-stack-usage=yes|no Print stack usage at thread exit time [no].\n" |
bart | bd7e56e | 2008-03-31 18:14:12 +0000 | [diff] [blame] | 223 | "\n" |
bart | ef1b972 | 2008-07-04 15:34:23 +0000 | [diff] [blame] | 224 | " drd options for monitoring process behavior:\n" |
bart | 41a378a | 2012-01-24 18:39:29 +0000 | [diff] [blame] | 225 | " --ptrace-addr=<address> Trace all load and store activity for the\n" |
| 226 | " specified address and keep doing that even after\n" |
| 227 | " the memory at that address has been freed and\n" |
| 228 | " reallocated [off].\n" |
bart | 8c3de75 | 2011-12-12 15:49:00 +0000 | [diff] [blame] | 229 | " --trace-addr=<address> Trace all load and store activity for the\n" |
bart | 130463a | 2008-04-01 17:03:33 +0000 | [diff] [blame] | 230 | " specified address [off].\n" |
bart | f9427fd | 2010-08-29 09:19:07 +0000 | [diff] [blame] | 231 | " --trace-alloc=yes|no Trace all memory allocations and deallocations\n"" [no].\n" |
bart | 130463a | 2008-04-01 17:03:33 +0000 | [diff] [blame] | 232 | " --trace-barrier=yes|no Trace all barrier activity [no].\n" |
| 233 | " --trace-cond=yes|no Trace all condition variable activity [no].\n" |
| 234 | " --trace-fork-join=yes|no Trace all thread fork/join activity [no].\n" |
bart | 505b35c | 2011-10-13 18:51:47 +0000 | [diff] [blame] | 235 | " --trace-hb=yes|no Trace ANNOTATE_HAPPENS_BEFORE() etc. [no].\n" |
bart | 130463a | 2008-04-01 17:03:33 +0000 | [diff] [blame] | 236 | " --trace-mutex=yes|no Trace all mutex activity [no].\n" |
| 237 | " --trace-rwlock=yes|no Trace all reader-writer lock activity[no].\n" |
bart | 8f822af | 2009-06-08 18:20:42 +0000 | [diff] [blame] | 238 | " --trace-semaphore=yes|no Trace all semaphore activity [no].\n", |
| 239 | DRD_(thread_get_segment_merge_interval)() |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 240 | ); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 241 | } |
| 242 | |
bart | 1335ecc | 2009-02-14 16:10:53 +0000 | [diff] [blame] | 243 | static void DRD_(print_debug_usage)(void) |
bart | 31b983d | 2010-02-21 14:52:59 +0000 | [diff] [blame] | 244 | { |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 245 | VG_(printf)( |
bart | 130463a | 2008-04-01 17:03:33 +0000 | [diff] [blame] | 246 | " --drd-stats=yes|no Print statistics about DRD activity [no].\n" |
| 247 | " --trace-clientobj=yes|no Trace all client object activity [no].\n" |
| 248 | " --trace-csw=yes|no Trace all scheduler context switches [no].\n" |
bart | e73b0aa | 2008-06-28 07:19:56 +0000 | [diff] [blame] | 249 | " --trace-conflict-set=yes|no Trace all conflict set updates [no].\n" |
bart | 8f822af | 2009-06-08 18:20:42 +0000 | [diff] [blame] | 250 | " --trace-conflict-set-bm=yes|no Trace all conflict set bitmap\n" |
| 251 | " updates [no]. Note: enabling this option\n" |
| 252 | " will generate a lot of output !\n" |
bart | 987781d | 2008-06-27 15:00:07 +0000 | [diff] [blame] | 253 | " --trace-segment=yes|no Trace segment actions [no].\n" |
| 254 | " --trace-suppr=yes|no Trace all address suppression actions [no].\n" |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 255 | ); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 256 | } |
| 257 | |
| 258 | |
| 259 | // |
| 260 | // Implements the thread-related core callbacks. |
| 261 | // |
| 262 | |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 263 | static void drd_pre_mem_read(const CorePart part, |
| 264 | const ThreadId tid, |
florian | e543f30 | 2012-10-21 19:43:43 +0000 | [diff] [blame] | 265 | const HChar* const s, |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 266 | const Addr a, |
| 267 | const SizeT size) |
| 268 | { |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 269 | if (size > 0) |
| 270 | { |
| 271 | DRD_(trace_load)(a, size); |
| 272 | } |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 273 | } |
| 274 | |
bart | 5e85d26 | 2008-03-01 10:49:37 +0000 | [diff] [blame] | 275 | static void drd_pre_mem_read_asciiz(const CorePart part, |
| 276 | const ThreadId tid, |
florian | e543f30 | 2012-10-21 19:43:43 +0000 | [diff] [blame] | 277 | const HChar* const s, |
bart | 5e85d26 | 2008-03-01 10:49:37 +0000 | [diff] [blame] | 278 | const Addr a) |
| 279 | { |
florian | 19f91bb | 2012-11-10 22:29:54 +0000 | [diff] [blame] | 280 | const HChar* p = (void*)a; |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 281 | SizeT size = 0; |
bart | 5e85d26 | 2008-03-01 10:49:37 +0000 | [diff] [blame] | 282 | |
sewardj | 234e558 | 2011-02-09 12:47:23 +0000 | [diff] [blame] | 283 | // Don't segfault if the string starts in an obviously stupid |
| 284 | // place. Actually we should check the whole string, not just |
| 285 | // the start address, but that's too much trouble. At least |
| 286 | // checking the first byte is better than nothing. See #255009. |
| 287 | if (!VG_(am_is_valid_for_client) (a, 1, VKI_PROT_READ)) |
| 288 | return; |
| 289 | |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 290 | /* Note: the expression '*p' reads client memory and may crash if the */ |
| 291 | /* client provided an invalid pointer ! */ |
| 292 | while (*p) |
| 293 | { |
| 294 | p++; |
| 295 | size++; |
| 296 | } |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 297 | if (size > 0) |
| 298 | { |
| 299 | DRD_(trace_load)(a, size); |
| 300 | } |
bart | 5e85d26 | 2008-03-01 10:49:37 +0000 | [diff] [blame] | 301 | } |
| 302 | |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 303 | static void drd_post_mem_write(const CorePart part, |
| 304 | const ThreadId tid, |
| 305 | const Addr a, |
| 306 | const SizeT size) |
| 307 | { |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 308 | DRD_(thread_set_vg_running_tid)(VG_(get_running_tid)()); |
| 309 | if (size > 0) |
| 310 | { |
| 311 | DRD_(trace_store)(a, size); |
| 312 | } |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 313 | } |
| 314 | |
bart | 0886562 | 2008-06-06 14:31:36 +0000 | [diff] [blame] | 315 | static __inline__ |
bart | f9427fd | 2010-08-29 09:19:07 +0000 | [diff] [blame] | 316 | void drd_start_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 | 639d0ad | 2011-03-12 14:26:01 +0000 | [diff] [blame] | 319 | const Addr a2 = a1 + len; |
| 320 | |
| 321 | tl_assert(a1 <= a2); |
bart | 5e85d26 | 2008-03-01 10:49:37 +0000 | [diff] [blame] | 322 | |
bart | f9427fd | 2010-08-29 09:19:07 +0000 | [diff] [blame] | 323 | if (!is_stack_mem && s_trace_alloc) |
bart | ad994e8 | 2011-10-13 18:04:30 +0000 | [diff] [blame] | 324 | DRD_(trace_msg)("Started using memory range 0x%lx + %ld%s", |
bart | b92ff0f | 2011-10-08 08:29:29 +0000 | [diff] [blame] | 325 | a1, len, DRD_(running_thread_inside_pthread_create)() |
| 326 | ? " (inside pthread_create())" : ""); |
bart | f9427fd | 2010-08-29 09:19:07 +0000 | [diff] [blame] | 327 | |
bart | 6f79e3a | 2012-06-10 10:44:05 +0000 | [diff] [blame] | 328 | #if 0 |
bart | 7d5f523 | 2011-03-13 09:08:10 +0000 | [diff] [blame] | 329 | if (!is_stack_mem && DRD_(g_free_is_write)) |
bart | 639d0ad | 2011-03-12 14:26:01 +0000 | [diff] [blame] | 330 | DRD_(thread_stop_using_mem)(a1, a2); |
bart | 6f79e3a | 2012-06-10 10:44:05 +0000 | [diff] [blame] | 331 | #else |
| 332 | /* |
| 333 | * Sometimes it happens that a client starts using a memory range that has |
| 334 | * been accessed before but for which drd_stop_using_mem() has not been |
| 335 | * called for the entire range. It is not yet clear whether this is an |
| 336 | * out-of-range access by the client, an issue in the Valgrind core or an |
| 337 | * issue in DRD. Avoid that this issue triggers false positive reports by |
| 338 | * always clearing accesses for newly allocated memory ranges. See also |
| 339 | * http://bugs.kde.org/show_bug.cgi?id=297147. |
| 340 | */ |
| 341 | DRD_(thread_stop_using_mem)(a1, a2); |
| 342 | #endif |
bart | 639d0ad | 2011-03-12 14:26:01 +0000 | [diff] [blame] | 343 | |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 344 | if (UNLIKELY(DRD_(any_address_is_traced)())) |
| 345 | { |
bart | 42f3263 | 2011-12-13 11:12:05 +0000 | [diff] [blame] | 346 | DRD_(trace_mem_access)(a1, len, eStart, 0, 0); |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 347 | } |
bart | 31b983d | 2010-02-21 14:52:59 +0000 | [diff] [blame] | 348 | |
bart | 27656f8 | 2011-12-17 15:18:20 +0000 | [diff] [blame] | 349 | if (UNLIKELY(DRD_(running_thread_inside_pthread_create)())) |
bart | dd75cdf | 2009-07-24 08:20:10 +0000 | [diff] [blame] | 350 | { |
bart | 639d0ad | 2011-03-12 14:26:01 +0000 | [diff] [blame] | 351 | DRD_(start_suppression)(a1, a2, "pthread_create()"); |
bart | dd75cdf | 2009-07-24 08:20:10 +0000 | [diff] [blame] | 352 | } |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 353 | } |
| 354 | |
sewardj | 7cf4e6b | 2008-05-01 20:24:26 +0000 | [diff] [blame] | 355 | static void drd_start_using_mem_w_ecu(const Addr a1, |
| 356 | const SizeT len, |
| 357 | UInt ec_uniq) |
| 358 | { |
bart | f9427fd | 2010-08-29 09:19:07 +0000 | [diff] [blame] | 359 | drd_start_using_mem(a1, len, False); |
sewardj | 7cf4e6b | 2008-05-01 20:24:26 +0000 | [diff] [blame] | 360 | } |
| 361 | |
| 362 | static void drd_start_using_mem_w_tid(const Addr a1, |
| 363 | const SizeT len, |
| 364 | ThreadId tid) |
| 365 | { |
bart | f9427fd | 2010-08-29 09:19:07 +0000 | [diff] [blame] | 366 | drd_start_using_mem(a1, len, False); |
sewardj | 7cf4e6b | 2008-05-01 20:24:26 +0000 | [diff] [blame] | 367 | } |
| 368 | |
bart | 0ffa483 | 2008-04-05 12:57:01 +0000 | [diff] [blame] | 369 | static __inline__ |
| 370 | void drd_stop_using_mem(const Addr a1, const SizeT len, |
| 371 | const Bool is_stack_mem) |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 372 | { |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 373 | const Addr a2 = a1 + len; |
bart | 5e85d26 | 2008-03-01 10:49:37 +0000 | [diff] [blame] | 374 | |
bart | a300398 | 2010-09-08 16:29:17 +0000 | [diff] [blame] | 375 | tl_assert(a1 <= a2); |
bart | 5e85d26 | 2008-03-01 10:49:37 +0000 | [diff] [blame] | 376 | |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 377 | if (UNLIKELY(DRD_(any_address_is_traced)())) |
bart | 42f3263 | 2011-12-13 11:12:05 +0000 | [diff] [blame] | 378 | DRD_(trace_mem_access)(a1, len, eEnd, 0, 0); |
bart | f9427fd | 2010-08-29 09:19:07 +0000 | [diff] [blame] | 379 | |
| 380 | if (!is_stack_mem && s_trace_alloc) |
bart | ad994e8 | 2011-10-13 18:04:30 +0000 | [diff] [blame] | 381 | DRD_(trace_msg)("Stopped using memory range 0x%lx + %ld", |
bart | b92ff0f | 2011-10-08 08:29:29 +0000 | [diff] [blame] | 382 | a1, len); |
bart | f9427fd | 2010-08-29 09:19:07 +0000 | [diff] [blame] | 383 | |
bart | 0759503 | 2010-08-29 09:51:06 +0000 | [diff] [blame] | 384 | if (!is_stack_mem || DRD_(get_check_stack_accesses)()) |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 385 | { |
bart | 7d5f523 | 2011-03-13 09:08:10 +0000 | [diff] [blame] | 386 | if (is_stack_mem || !DRD_(g_free_is_write)) |
bart | 639d0ad | 2011-03-12 14:26:01 +0000 | [diff] [blame] | 387 | DRD_(thread_stop_using_mem)(a1, a2); |
bart | 7d5f523 | 2011-03-13 09:08:10 +0000 | [diff] [blame] | 388 | else if (DRD_(g_free_is_write)) |
bart | 639d0ad | 2011-03-12 14:26:01 +0000 | [diff] [blame] | 389 | DRD_(trace_store)(a1, len); |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 390 | DRD_(clientobj_stop_using_mem)(a1, a2); |
| 391 | DRD_(suppression_stop_using_mem)(a1, a2); |
| 392 | } |
bart | 0ffa483 | 2008-04-05 12:57:01 +0000 | [diff] [blame] | 393 | } |
| 394 | |
| 395 | static __inline__ |
| 396 | void drd_stop_using_nonstack_mem(const Addr a1, const SizeT len) |
| 397 | { |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 398 | drd_stop_using_mem(a1, len, False); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 399 | } |
| 400 | |
bart | 1335ecc | 2009-02-14 16:10:53 +0000 | [diff] [blame] | 401 | /** |
bart | fdaa018 | 2009-03-10 09:25:32 +0000 | [diff] [blame] | 402 | * Discard all information DRD has about memory accesses and client objects |
| 403 | * in the specified address range. |
| 404 | */ |
| 405 | void DRD_(clean_memory)(const Addr a1, const SizeT len) |
| 406 | { |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 407 | const Bool is_stack_memory = DRD_(thread_address_on_any_stack)(a1); |
| 408 | drd_stop_using_mem(a1, len, is_stack_memory); |
bart | f9427fd | 2010-08-29 09:19:07 +0000 | [diff] [blame] | 409 | drd_start_using_mem(a1, len, is_stack_memory); |
bart | fdaa018 | 2009-03-10 09:25:32 +0000 | [diff] [blame] | 410 | } |
| 411 | |
bart | a9cc2dd | 2012-01-15 19:17:37 +0000 | [diff] [blame] | 412 | static const Bool trace_sectsuppr = False; |
| 413 | |
bart | fdaa018 | 2009-03-10 09:25:32 +0000 | [diff] [blame] | 414 | /** |
bart | 6834783 | 2012-09-06 14:08:26 +0000 | [diff] [blame] | 415 | * Suppress data race reports on all addresses contained in .plt, .got and |
bart | 1335ecc | 2009-02-14 16:10:53 +0000 | [diff] [blame] | 416 | * .got.plt sections inside the address range [ a, a + len [. The data in |
| 417 | * these sections is modified by _dl_relocate_object() every time a function |
| 418 | * in a shared library is called for the first time. Since the first call |
| 419 | * to a function in a shared library can happen from a multithreaded context, |
| 420 | * such calls can cause conflicting accesses. See also Ulrich Drepper's |
| 421 | * paper "How to Write Shared Libraries" for more information about relocation |
| 422 | * (http://people.redhat.com/drepper/dsohowto.pdf). |
bart | 6834783 | 2012-09-06 14:08:26 +0000 | [diff] [blame] | 423 | * Note: the contents of the .got section is only modified by the MIPS resolver. |
bart | cb2d007 | 2008-05-31 07:55:51 +0000 | [diff] [blame] | 424 | */ |
bart | 1335ecc | 2009-02-14 16:10:53 +0000 | [diff] [blame] | 425 | static void DRD_(suppress_relocation_conflicts)(const Addr a, const SizeT len) |
bart | cb2d007 | 2008-05-31 07:55:51 +0000 | [diff] [blame] | 426 | { |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 427 | const DebugInfo* di; |
bart | cb2d007 | 2008-05-31 07:55:51 +0000 | [diff] [blame] | 428 | |
bart | a9cc2dd | 2012-01-15 19:17:37 +0000 | [diff] [blame] | 429 | if (trace_sectsuppr) |
| 430 | VG_(dmsg)("Evaluating range @ 0x%lx size %ld\n", a, len); |
bart | cb2d007 | 2008-05-31 07:55:51 +0000 | [diff] [blame] | 431 | |
bart | a9cc2dd | 2012-01-15 19:17:37 +0000 | [diff] [blame] | 432 | for (di = VG_(next_DebugInfo)(0); di; di = VG_(next_DebugInfo)(di)) { |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 433 | Addr avma; |
| 434 | SizeT size; |
bart | cb2d007 | 2008-05-31 07:55:51 +0000 | [diff] [blame] | 435 | |
bart | a9cc2dd | 2012-01-15 19:17:37 +0000 | [diff] [blame] | 436 | if (trace_sectsuppr) |
| 437 | VG_(dmsg)("Examining %s / %s\n", VG_(DebugInfo_get_filename)(di), |
| 438 | VG_(DebugInfo_get_soname)(di)); |
| 439 | |
sewardj | e3f1e59 | 2009-07-31 09:41:29 +0000 | [diff] [blame] | 440 | avma = VG_(DebugInfo_get_plt_avma)(di); |
| 441 | size = VG_(DebugInfo_get_plt_size)(di); |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 442 | tl_assert((avma && size) || (avma == 0 && size == 0)); |
bart | a9cc2dd | 2012-01-15 19:17:37 +0000 | [diff] [blame] | 443 | if (size > 0) { |
| 444 | if (trace_sectsuppr) |
| 445 | VG_(dmsg)("Suppressing .plt @ 0x%lx size %ld\n", avma, size); |
sewardj | e3f1e59 | 2009-07-31 09:41:29 +0000 | [diff] [blame] | 446 | tl_assert(VG_(DebugInfo_sect_kind)(NULL, 0, avma) == Vg_SectPLT); |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 447 | DRD_(start_suppression)(avma, avma + size, ".plt"); |
| 448 | } |
bart | cb2d007 | 2008-05-31 07:55:51 +0000 | [diff] [blame] | 449 | |
sewardj | e3f1e59 | 2009-07-31 09:41:29 +0000 | [diff] [blame] | 450 | avma = VG_(DebugInfo_get_gotplt_avma)(di); |
| 451 | size = VG_(DebugInfo_get_gotplt_size)(di); |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 452 | tl_assert((avma && size) || (avma == 0 && size == 0)); |
bart | a9cc2dd | 2012-01-15 19:17:37 +0000 | [diff] [blame] | 453 | if (size > 0) { |
| 454 | if (trace_sectsuppr) |
| 455 | VG_(dmsg)("Suppressing .got.plt @ 0x%lx size %ld\n", avma, size); |
sewardj | e3f1e59 | 2009-07-31 09:41:29 +0000 | [diff] [blame] | 456 | tl_assert(VG_(DebugInfo_sect_kind)(NULL, 0, avma) == Vg_SectGOTPLT); |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 457 | DRD_(start_suppression)(avma, avma + size, ".gotplt"); |
| 458 | } |
bart | 6834783 | 2012-09-06 14:08:26 +0000 | [diff] [blame] | 459 | |
| 460 | avma = VG_(DebugInfo_get_got_avma)(di); |
| 461 | size = VG_(DebugInfo_get_got_size)(di); |
| 462 | tl_assert((avma && size) || (avma == 0 && size == 0)); |
| 463 | if (size > 0) { |
| 464 | if (trace_sectsuppr) |
| 465 | VG_(dmsg)("Suppressing .got @ 0x%lx size %ld\n", avma, size); |
| 466 | tl_assert(VG_(DebugInfo_sect_kind)(NULL, 0, avma) == Vg_SectGOT); |
| 467 | DRD_(start_suppression)(avma, avma + size, ".got"); |
| 468 | } |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 469 | } |
bart | cb2d007 | 2008-05-31 07:55:51 +0000 | [diff] [blame] | 470 | } |
| 471 | |
bart | 5e85d26 | 2008-03-01 10:49:37 +0000 | [diff] [blame] | 472 | static |
| 473 | void drd_start_using_mem_w_perms(const Addr a, const SizeT len, |
sewardj | 9c606bd | 2008-09-18 18:12:50 +0000 | [diff] [blame] | 474 | const Bool rr, const Bool ww, const Bool xx, |
| 475 | ULong di_handle) |
bart | 5e85d26 | 2008-03-01 10:49:37 +0000 | [diff] [blame] | 476 | { |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 477 | DRD_(thread_set_vg_running_tid)(VG_(get_running_tid)()); |
bart | d576591 | 2008-03-16 08:40:55 +0000 | [diff] [blame] | 478 | |
bart | f9427fd | 2010-08-29 09:19:07 +0000 | [diff] [blame] | 479 | drd_start_using_mem(a, len, False); |
bart | cb2d007 | 2008-05-31 07:55:51 +0000 | [diff] [blame] | 480 | |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 481 | DRD_(suppress_relocation_conflicts)(a, len); |
bart | 5e85d26 | 2008-03-01 10:49:37 +0000 | [diff] [blame] | 482 | } |
| 483 | |
bart | ad193e7 | 2012-01-15 19:02:20 +0000 | [diff] [blame] | 484 | /** |
| 485 | * Called by the core when the stack of a thread grows, to indicate that |
| 486 | * the addresses in range [ a, a + len [ may now be used by the client. |
| 487 | * Assumption: stacks grow downward. |
| 488 | */ |
bart | 0886562 | 2008-06-06 14:31:36 +0000 | [diff] [blame] | 489 | static __inline__ |
bart | 993d32f | 2012-01-15 19:08:13 +0000 | [diff] [blame] | 490 | void drd_start_using_mem_stack2(const DrdThreadId tid, const Addr a, |
| 491 | const SizeT len) |
| 492 | { |
| 493 | DRD_(thread_set_stack_min)(tid, a - VG_STACK_REDZONE_SZB); |
| 494 | drd_start_using_mem(a - VG_STACK_REDZONE_SZB, len + VG_STACK_REDZONE_SZB, |
| 495 | True); |
| 496 | } |
| 497 | |
| 498 | static __inline__ |
bart | 0886562 | 2008-06-06 14:31:36 +0000 | [diff] [blame] | 499 | void drd_start_using_mem_stack(const Addr a, const SizeT len) |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 500 | { |
bart | 993d32f | 2012-01-15 19:08:13 +0000 | [diff] [blame] | 501 | drd_start_using_mem_stack2(DRD_(thread_get_running_tid)(), a, len); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 502 | } |
| 503 | |
bart | ad193e7 | 2012-01-15 19:02:20 +0000 | [diff] [blame] | 504 | /** |
| 505 | * Called by the core when the stack of a thread shrinks, to indicate that |
| 506 | * the addresses [ a, a + len [ are no longer accessible for the client. |
| 507 | * Assumption: stacks grow downward. |
| 508 | */ |
bart | 0886562 | 2008-06-06 14:31:36 +0000 | [diff] [blame] | 509 | static __inline__ |
bart | 993d32f | 2012-01-15 19:08:13 +0000 | [diff] [blame] | 510 | void drd_stop_using_mem_stack2(const DrdThreadId tid, const Addr a, |
| 511 | const SizeT len) |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 512 | { |
bart | 993d32f | 2012-01-15 19:08:13 +0000 | [diff] [blame] | 513 | DRD_(thread_set_stack_min)(tid, a + len - VG_STACK_REDZONE_SZB); |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 514 | drd_stop_using_mem(a - VG_STACK_REDZONE_SZB, len + VG_STACK_REDZONE_SZB, |
| 515 | True); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 516 | } |
| 517 | |
bart | 993d32f | 2012-01-15 19:08:13 +0000 | [diff] [blame] | 518 | static __inline__ |
| 519 | void drd_stop_using_mem_stack(const Addr a, const SizeT len) |
| 520 | { |
| 521 | drd_stop_using_mem_stack2(DRD_(thread_get_running_tid)(), a, len); |
| 522 | } |
| 523 | |
bart | 68a8afa | 2010-09-02 14:50:41 +0000 | [diff] [blame] | 524 | static |
| 525 | Bool on_alt_stack(const Addr a) |
| 526 | { |
| 527 | ThreadId vg_tid; |
| 528 | Addr alt_min; |
| 529 | SizeT alt_size; |
| 530 | |
| 531 | vg_tid = VG_(get_running_tid)(); |
| 532 | alt_min = VG_(thread_get_altstack_min)(vg_tid); |
| 533 | alt_size = VG_(thread_get_altstack_size)(vg_tid); |
| 534 | return (SizeT)(a - alt_min) < alt_size; |
| 535 | } |
| 536 | |
| 537 | static |
| 538 | void drd_start_using_mem_alt_stack(const Addr a, const SizeT len) |
| 539 | { |
| 540 | if (!on_alt_stack(a)) |
| 541 | drd_start_using_mem_stack(a, len); |
| 542 | } |
| 543 | |
| 544 | static |
| 545 | void drd_stop_using_mem_alt_stack(const Addr a, const SizeT len) |
| 546 | { |
| 547 | if (!on_alt_stack(a)) |
| 548 | drd_stop_using_mem_stack(a, len); |
| 549 | } |
| 550 | |
| 551 | /** |
| 552 | * Callback function invoked by the Valgrind core before a signal is delivered. |
| 553 | */ |
| 554 | static |
| 555 | void drd_pre_deliver_signal(const ThreadId vg_tid, const Int sigNo, |
| 556 | const Bool alt_stack) |
| 557 | { |
| 558 | DrdThreadId drd_tid; |
| 559 | |
| 560 | drd_tid = DRD_(VgThreadIdToDrdThreadId)(vg_tid); |
| 561 | DRD_(thread_set_on_alt_stack)(drd_tid, alt_stack); |
| 562 | if (alt_stack) |
| 563 | { |
| 564 | /* |
| 565 | * As soon a signal handler has been invoked on the alternate stack, |
| 566 | * switch to stack memory handling functions that can handle the |
| 567 | * alternate stack. |
| 568 | */ |
| 569 | VG_(track_new_mem_stack)(drd_start_using_mem_alt_stack); |
| 570 | VG_(track_die_mem_stack)(drd_stop_using_mem_alt_stack); |
| 571 | } |
| 572 | } |
| 573 | |
| 574 | /** |
| 575 | * Callback function invoked by the Valgrind core after a signal is delivered, |
| 576 | * at least if the signal handler did not longjmp(). |
| 577 | */ |
| 578 | static |
| 579 | void drd_post_deliver_signal(const ThreadId vg_tid, const Int sigNo) |
| 580 | { |
| 581 | DrdThreadId drd_tid; |
| 582 | |
| 583 | drd_tid = DRD_(VgThreadIdToDrdThreadId)(vg_tid); |
| 584 | DRD_(thread_set_on_alt_stack)(drd_tid, False); |
| 585 | if (DRD_(thread_get_threads_on_alt_stack)() == 0) |
| 586 | { |
| 587 | VG_(track_new_mem_stack)(drd_start_using_mem_stack); |
| 588 | VG_(track_die_mem_stack)(drd_stop_using_mem_stack); |
| 589 | } |
| 590 | } |
| 591 | |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 592 | /** |
| 593 | * Callback function called by the Valgrind core before a stack area is |
| 594 | * being used by a signal handler. |
| 595 | * |
| 596 | * @param[in] a Start of address range. |
| 597 | * @param[in] len Address range length. |
| 598 | * @param[in] tid Valgrind thread ID for whom the signal frame is being |
| 599 | * constructed. |
| 600 | */ |
| 601 | static void drd_start_using_mem_stack_signal(const Addr a, const SizeT len, |
| 602 | ThreadId tid) |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 603 | { |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 604 | DRD_(thread_set_vg_running_tid)(VG_(get_running_tid)()); |
bart | f9427fd | 2010-08-29 09:19:07 +0000 | [diff] [blame] | 605 | drd_start_using_mem(a, len, True); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 606 | } |
| 607 | |
bart | 5e85d26 | 2008-03-01 10:49:37 +0000 | [diff] [blame] | 608 | static void drd_stop_using_mem_stack_signal(Addr a, SizeT len) |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 609 | { |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 610 | drd_stop_using_mem(a, len, True); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 611 | } |
| 612 | |
| 613 | static |
| 614 | void drd_pre_thread_create(const ThreadId creator, const ThreadId created) |
| 615 | { |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 616 | const DrdThreadId drd_creator = DRD_(VgThreadIdToDrdThreadId)(creator); |
| 617 | tl_assert(created != VG_INVALID_THREADID); |
| 618 | DRD_(thread_pre_create)(drd_creator, created); |
| 619 | if (DRD_(IsValidDrdThreadId)(drd_creator)) |
| 620 | { |
| 621 | DRD_(thread_new_segment)(drd_creator); |
| 622 | } |
| 623 | if (DRD_(thread_get_trace_fork_join)()) |
| 624 | { |
bart | ad994e8 | 2011-10-13 18:04:30 +0000 | [diff] [blame] | 625 | DRD_(trace_msg)("drd_pre_thread_create creator = %d, created = %d", |
bart | e708600 | 2011-10-11 19:08:39 +0000 | [diff] [blame] | 626 | drd_creator, created); |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 627 | } |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 628 | } |
| 629 | |
bart | ad193e7 | 2012-01-15 19:02:20 +0000 | [diff] [blame] | 630 | /** |
| 631 | * Called by Valgrind's core before any loads or stores are performed on |
| 632 | * the context of thread "created". |
| 633 | */ |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 634 | static |
bart | 0ffa483 | 2008-04-05 12:57:01 +0000 | [diff] [blame] | 635 | void drd_post_thread_create(const ThreadId vg_created) |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 636 | { |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 637 | DrdThreadId drd_created; |
bart | 864920d | 2012-01-15 19:13:35 +0000 | [diff] [blame] | 638 | Addr stack_max; |
bart | 0ffa483 | 2008-04-05 12:57:01 +0000 | [diff] [blame] | 639 | |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 640 | tl_assert(vg_created != VG_INVALID_THREADID); |
bart | 0ffa483 | 2008-04-05 12:57:01 +0000 | [diff] [blame] | 641 | |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 642 | drd_created = DRD_(thread_post_create)(vg_created); |
bart | 864920d | 2012-01-15 19:13:35 +0000 | [diff] [blame] | 643 | |
| 644 | /* Set up red zone before the code in glibc's clone.S is run. */ |
| 645 | stack_max = DRD_(thread_get_stack_max)(drd_created); |
| 646 | drd_start_using_mem_stack2(drd_created, stack_max, 0); |
| 647 | |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 648 | if (DRD_(thread_get_trace_fork_join)()) |
| 649 | { |
bart | ad994e8 | 2011-10-13 18:04:30 +0000 | [diff] [blame] | 650 | DRD_(trace_msg)("drd_post_thread_create created = %d", drd_created); |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 651 | } |
| 652 | if (! DRD_(get_check_stack_accesses)()) |
| 653 | { |
| 654 | DRD_(start_suppression)(DRD_(thread_get_stack_max)(drd_created) |
| 655 | - DRD_(thread_get_stack_size)(drd_created), |
| 656 | DRD_(thread_get_stack_max)(drd_created), |
| 657 | "stack"); |
| 658 | } |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 659 | } |
| 660 | |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 661 | /* Called after a thread has performed its last memory access. */ |
bart | d43f8d3 | 2008-03-16 17:29:20 +0000 | [diff] [blame] | 662 | static void drd_thread_finished(ThreadId vg_tid) |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 663 | { |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 664 | DrdThreadId drd_tid; |
sewardj | 8564292 | 2008-01-14 11:54:56 +0000 | [diff] [blame] | 665 | |
bart | 9bb46c4 | 2012-02-02 10:14:30 +0000 | [diff] [blame] | 666 | /* |
bart | 37e1dd0 | 2012-02-02 10:58:01 +0000 | [diff] [blame] | 667 | * Ignore if invoked because thread creation failed. See e.g. |
bart | 9bb46c4 | 2012-02-02 10:14:30 +0000 | [diff] [blame] | 668 | * coregrind/m_syswrap/syswrap-amd64-linux.c |
| 669 | */ |
bart | 37e1dd0 | 2012-02-02 10:58:01 +0000 | [diff] [blame] | 670 | if (VG_(get_running_tid)() != vg_tid) |
| 671 | return; |
sewardj | 8564292 | 2008-01-14 11:54:56 +0000 | [diff] [blame] | 672 | |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 673 | drd_tid = DRD_(VgThreadIdToDrdThreadId)(vg_tid); |
bart | 37e1dd0 | 2012-02-02 10:58:01 +0000 | [diff] [blame] | 674 | tl_assert(drd_tid != DRD_INVALID_THREADID); |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 675 | if (DRD_(thread_get_trace_fork_join)()) |
| 676 | { |
bart | ad994e8 | 2011-10-13 18:04:30 +0000 | [diff] [blame] | 677 | DRD_(trace_msg)("drd_thread_finished tid = %d%s", drd_tid, |
bart | e708600 | 2011-10-11 19:08:39 +0000 | [diff] [blame] | 678 | DRD_(thread_get_joinable)(drd_tid) |
| 679 | ? "" : " (which is a detached thread)"); |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 680 | } |
bart | e708600 | 2011-10-11 19:08:39 +0000 | [diff] [blame] | 681 | if (s_show_stack_usage && !VG_(clo_xml)) { |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 682 | const SizeT stack_size = DRD_(thread_get_stack_size)(drd_tid); |
| 683 | const SizeT used_stack |
| 684 | = (DRD_(thread_get_stack_max)(drd_tid) |
| 685 | - DRD_(thread_get_stack_min_min)(drd_tid)); |
| 686 | VG_(message)(Vg_UserMsg, |
bart | 63c92ea | 2009-07-19 17:53:56 +0000 | [diff] [blame] | 687 | "thread %d%s finished and used %ld bytes out of %ld" |
sewardj | 1e29ebc | 2009-07-15 14:49:17 +0000 | [diff] [blame] | 688 | " on its stack. Margin: %ld bytes.\n", |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 689 | drd_tid, |
| 690 | DRD_(thread_get_joinable)(drd_tid) |
bart | e708600 | 2011-10-11 19:08:39 +0000 | [diff] [blame] | 691 | ? "" : " (which is a detached thread)", |
| 692 | used_stack, stack_size, stack_size - used_stack); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 693 | |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 694 | } |
| 695 | drd_stop_using_mem(DRD_(thread_get_stack_min)(drd_tid), |
| 696 | DRD_(thread_get_stack_max)(drd_tid) |
| 697 | - DRD_(thread_get_stack_min)(drd_tid), |
| 698 | True); |
bart | d45d995 | 2009-05-31 18:53:54 +0000 | [diff] [blame] | 699 | DRD_(thread_set_record_loads)(drd_tid, False); |
| 700 | DRD_(thread_set_record_stores)(drd_tid, False); |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 701 | DRD_(thread_finished)(drd_tid); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 702 | } |
| 703 | |
bart | 5c7e6b6 | 2011-02-03 17:47:50 +0000 | [diff] [blame] | 704 | /* |
| 705 | * Called immediately after fork for the child process only. 'tid' is the |
| 706 | * only surviving thread in the child process. Cleans up thread state. |
| 707 | * See also http://pubs.opengroup.org/onlinepubs/9699919799/functions/pthread_atfork.html for a detailed discussion of using fork() in combination with mutexes. |
| 708 | */ |
| 709 | static |
| 710 | void drd__atfork_child(ThreadId tid) |
| 711 | { |
| 712 | DRD_(drd_thread_atfork_child)(tid); |
| 713 | } |
| 714 | |
| 715 | |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 716 | // |
| 717 | // Implementation of the tool interface. |
| 718 | // |
| 719 | |
bart | 1335ecc | 2009-02-14 16:10:53 +0000 | [diff] [blame] | 720 | static void DRD_(post_clo_init)(void) |
sewardj | dcbb8d3 | 2007-11-26 21:34:30 +0000 | [diff] [blame] | 721 | { |
bart | 0c6bf35 | 2009-07-25 14:03:53 +0000 | [diff] [blame] | 722 | #if defined(VGO_linux) || defined(VGO_darwin) |
bart | c6ef4af | 2009-07-23 10:10:30 +0000 | [diff] [blame] | 723 | /* fine */ |
bart | c6ef4af | 2009-07-23 10:10:30 +0000 | [diff] [blame] | 724 | #else |
| 725 | VG_(printf)("\nWARNING: DRD has not yet been tested on this operating system.\n\n"); |
sewardj | dcbb8d3 | 2007-11-26 21:34:30 +0000 | [diff] [blame] | 726 | # endif |
bart | 95761b5 | 2008-03-29 08:34:03 +0000 | [diff] [blame] | 727 | |
bart | 75c1cba | 2010-08-29 07:20:30 +0000 | [diff] [blame] | 728 | if (s_var_info) |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 729 | { |
| 730 | VG_(needs_var_info)(); |
| 731 | } |
sewardj | dcbb8d3 | 2007-11-26 21:34:30 +0000 | [diff] [blame] | 732 | } |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 733 | |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 734 | static void drd_start_client_code(const ThreadId tid, const ULong bbs_done) |
| 735 | { |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 736 | tl_assert(tid == VG_(get_running_tid)()); |
| 737 | DRD_(thread_set_vg_running_tid)(tid); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 738 | } |
| 739 | |
bart | 1335ecc | 2009-02-14 16:10:53 +0000 | [diff] [blame] | 740 | static void DRD_(fini)(Int exitcode) |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 741 | { |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 742 | // thread_print_all(); |
sewardj | 2d9e874 | 2009-08-07 15:46:56 +0000 | [diff] [blame] | 743 | if (VG_(clo_verbosity) == 1 && !VG_(clo_xml)) { |
bart | e708600 | 2011-10-11 19:08:39 +0000 | [diff] [blame] | 744 | VG_(message)(Vg_UserMsg, "For counts of detected and suppressed errors, " |
sewardj | 2d9e874 | 2009-08-07 15:46:56 +0000 | [diff] [blame] | 745 | "rerun with: -v\n"); |
| 746 | } |
| 747 | |
bart | e708600 | 2011-10-11 19:08:39 +0000 | [diff] [blame] | 748 | if ((VG_(clo_stats) || s_print_stats) && !VG_(clo_xml)) |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 749 | { |
bart | e521466 | 2009-06-21 11:51:23 +0000 | [diff] [blame] | 750 | ULong pu = DRD_(thread_get_update_conflict_set_count)(); |
| 751 | ULong pu_seg_cr = DRD_(thread_get_update_conflict_set_new_sg_count)(); |
| 752 | ULong pu_mtx_cv = DRD_(thread_get_update_conflict_set_sync_count)(); |
| 753 | ULong pu_join = DRD_(thread_get_update_conflict_set_join_count)(); |
| 754 | |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 755 | VG_(message)(Vg_UserMsg, |
sewardj | 1e29ebc | 2009-07-15 14:49:17 +0000 | [diff] [blame] | 756 | " thread: %lld context switches.\n", |
bart | 54803fe | 2009-06-21 09:26:27 +0000 | [diff] [blame] | 757 | DRD_(thread_get_context_switch_count)()); |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 758 | VG_(message)(Vg_UserMsg, |
sewardj | 1e29ebc | 2009-07-15 14:49:17 +0000 | [diff] [blame] | 759 | "confl set: %lld full updates and %lld partial updates;\n", |
bart | e708600 | 2011-10-11 19:08:39 +0000 | [diff] [blame] | 760 | DRD_(thread_get_compute_conflict_set_count)(), |
| 761 | pu); |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 762 | VG_(message)(Vg_UserMsg, |
sewardj | 1e29ebc | 2009-07-15 14:49:17 +0000 | [diff] [blame] | 763 | " %lld partial updates during segment creation,\n", |
bart | e708600 | 2011-10-11 19:08:39 +0000 | [diff] [blame] | 764 | pu_seg_cr); |
bart | e521466 | 2009-06-21 11:51:23 +0000 | [diff] [blame] | 765 | VG_(message)(Vg_UserMsg, |
sewardj | 1e29ebc | 2009-07-15 14:49:17 +0000 | [diff] [blame] | 766 | " %lld because of mutex/sema/cond.var. operations,\n", |
bart | e708600 | 2011-10-11 19:08:39 +0000 | [diff] [blame] | 767 | pu_mtx_cv); |
bart | e521466 | 2009-06-21 11:51:23 +0000 | [diff] [blame] | 768 | VG_(message)(Vg_UserMsg, |
sewardj | 1e29ebc | 2009-07-15 14:49:17 +0000 | [diff] [blame] | 769 | " %lld because of barrier/rwlock operations and\n", |
bart | e521466 | 2009-06-21 11:51:23 +0000 | [diff] [blame] | 770 | pu - pu_seg_cr - pu_mtx_cv - pu_join); |
| 771 | VG_(message)(Vg_UserMsg, |
| 772 | " %lld partial updates because of thread join" |
bart | e708600 | 2011-10-11 19:08:39 +0000 | [diff] [blame] | 773 | " operations.\n", |
| 774 | pu_join); |
bart | e521466 | 2009-06-21 11:51:23 +0000 | [diff] [blame] | 775 | VG_(message)(Vg_UserMsg, |
sewardj | 1e29ebc | 2009-07-15 14:49:17 +0000 | [diff] [blame] | 776 | " segments: created %lld segments, max %lld alive,\n", |
bart | 9dedafe | 2009-06-21 18:09:02 +0000 | [diff] [blame] | 777 | DRD_(sg_get_segments_created_count)(), |
| 778 | DRD_(sg_get_max_segments_alive_count)()); |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 779 | VG_(message)(Vg_UserMsg, |
sewardj | 1e29ebc | 2009-07-15 14:49:17 +0000 | [diff] [blame] | 780 | " %lld discard points and %lld merges.\n", |
bart | 9dedafe | 2009-06-21 18:09:02 +0000 | [diff] [blame] | 781 | DRD_(thread_get_discard_ordered_segments_count)(), |
bart | 1a3b0b3 | 2009-05-03 17:07:34 +0000 | [diff] [blame] | 782 | DRD_(sg_get_segment_merge_count)()); |
| 783 | VG_(message)(Vg_UserMsg, |
bart | 54803fe | 2009-06-21 09:26:27 +0000 | [diff] [blame] | 784 | "segmnt cr: %lld mutex, %lld rwlock, %lld semaphore and" |
sewardj | 1e29ebc | 2009-07-15 14:49:17 +0000 | [diff] [blame] | 785 | " %lld barrier.\n", |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 786 | DRD_(get_mutex_segment_creation_count)(), |
| 787 | DRD_(get_rwlock_segment_creation_count)(), |
| 788 | DRD_(get_semaphore_segment_creation_count)(), |
| 789 | DRD_(get_barrier_segment_creation_count)()); |
| 790 | VG_(message)(Vg_UserMsg, |
bart | 9dedafe | 2009-06-21 18:09:02 +0000 | [diff] [blame] | 791 | " bitmaps: %lld level one" |
sewardj | 1e29ebc | 2009-07-15 14:49:17 +0000 | [diff] [blame] | 792 | " and %lld level two bitmaps were allocated.\n", |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 793 | DRD_(bm_get_bitmap_creation_count)(), |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 794 | DRD_(bm_get_bitmap2_creation_count)()); |
| 795 | VG_(message)(Vg_UserMsg, |
sewardj | 1e29ebc | 2009-07-15 14:49:17 +0000 | [diff] [blame] | 796 | " mutex: %lld non-recursive lock/unlock events.\n", |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 797 | DRD_(get_mutex_lock_count)()); |
| 798 | DRD_(print_malloc_stats)(); |
| 799 | } |
bart | e44bccc | 2012-01-18 09:46:57 +0000 | [diff] [blame] | 800 | |
| 801 | DRD_(bm_module_cleanup)(); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 802 | } |
| 803 | |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 804 | static |
| 805 | void drd_pre_clo_init(void) |
| 806 | { |
njn | f76d27a | 2009-05-28 01:53:07 +0000 | [diff] [blame] | 807 | // Basic tool stuff. |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 808 | VG_(details_name) ("drd"); |
| 809 | VG_(details_version) (NULL); |
| 810 | VG_(details_description) ("a thread error detector"); |
sewardj | 03f8d3f | 2012-08-05 15:46:46 +0000 | [diff] [blame] | 811 | VG_(details_copyright_author)("Copyright (C) 2006-2012, and GNU GPL'd," |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 812 | " by Bart Van Assche."); |
| 813 | VG_(details_bug_reports_to) (VG_BUGS_TO); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 814 | |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 815 | VG_(basic_tool_funcs) (DRD_(post_clo_init), |
| 816 | DRD_(instrument), |
| 817 | DRD_(fini)); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 818 | |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 819 | // Command line stuff. |
| 820 | VG_(needs_command_line_options)(DRD_(process_cmd_line_option), |
| 821 | DRD_(print_usage), |
| 822 | DRD_(print_debug_usage)); |
bart | e708600 | 2011-10-11 19:08:39 +0000 | [diff] [blame] | 823 | VG_(needs_xml_output) (); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 824 | |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 825 | // Error handling. |
| 826 | DRD_(register_error_handlers)(); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 827 | |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 828 | // Core event tracking. |
| 829 | VG_(track_pre_mem_read) (drd_pre_mem_read); |
| 830 | VG_(track_pre_mem_read_asciiz) (drd_pre_mem_read_asciiz); |
| 831 | VG_(track_post_mem_write) (drd_post_mem_write); |
| 832 | VG_(track_new_mem_brk) (drd_start_using_mem_w_tid); |
| 833 | VG_(track_new_mem_mmap) (drd_start_using_mem_w_perms); |
| 834 | VG_(track_new_mem_stack) (drd_start_using_mem_stack); |
| 835 | VG_(track_new_mem_stack_signal) (drd_start_using_mem_stack_signal); |
| 836 | VG_(track_new_mem_startup) (drd_start_using_mem_w_perms); |
| 837 | VG_(track_die_mem_brk) (drd_stop_using_nonstack_mem); |
| 838 | VG_(track_die_mem_munmap) (drd_stop_using_nonstack_mem); |
| 839 | VG_(track_die_mem_stack) (drd_stop_using_mem_stack); |
| 840 | VG_(track_die_mem_stack_signal) (drd_stop_using_mem_stack_signal); |
bart | 68a8afa | 2010-09-02 14:50:41 +0000 | [diff] [blame] | 841 | VG_(track_pre_deliver_signal) (drd_pre_deliver_signal); |
| 842 | VG_(track_post_deliver_signal) (drd_post_deliver_signal); |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 843 | VG_(track_start_client_code) (drd_start_client_code); |
| 844 | VG_(track_pre_thread_ll_create) (drd_pre_thread_create); |
| 845 | VG_(track_pre_thread_first_insn)(drd_post_thread_create); |
| 846 | VG_(track_pre_thread_ll_exit) (drd_thread_finished); |
bart | 5c7e6b6 | 2011-02-03 17:47:50 +0000 | [diff] [blame] | 847 | VG_(atfork) (NULL/*pre*/, NULL/*parent*/, |
| 848 | drd__atfork_child/*child*/); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 849 | |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 850 | // Other stuff. |
| 851 | DRD_(register_malloc_wrappers)(drd_start_using_mem_w_ecu, |
| 852 | drd_stop_using_nonstack_mem); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 853 | |
bart | e44bccc | 2012-01-18 09:46:57 +0000 | [diff] [blame] | 854 | DRD_(bm_module_init)(); |
| 855 | |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 856 | DRD_(clientreq_init)(); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 857 | |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 858 | DRD_(suppression_init)(); |
bart | 4bb53d8 | 2008-02-28 19:06:34 +0000 | [diff] [blame] | 859 | |
bart | bedfd23 | 2009-03-26 19:07:15 +0000 | [diff] [blame] | 860 | DRD_(clientobj_init)(); |
bart | e5e0efa | 2009-06-24 18:35:02 +0000 | [diff] [blame] | 861 | |
bart | e278ab5 | 2012-01-24 18:28:55 +0000 | [diff] [blame] | 862 | DRD_(thread_init)(); |
| 863 | |
bart | e5e0efa | 2009-06-24 18:35:02 +0000 | [diff] [blame] | 864 | { |
florian | 19f91bb | 2012-11-10 22:29:54 +0000 | [diff] [blame] | 865 | HChar* const smi = VG_(getenv)("DRD_SEGMENT_MERGING_INTERVAL"); |
bart | e5e0efa | 2009-06-24 18:35:02 +0000 | [diff] [blame] | 866 | if (smi) |
| 867 | DRD_(thread_set_segment_merge_interval)(VG_(strtoll10)(smi, NULL)); |
| 868 | } |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 869 | } |
| 870 | |
| 871 | |
| 872 | VG_DETERMINE_INTERFACE_VERSION(drd_pre_clo_init) |