sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 1 | /* |
| 2 | This file is part of drd, a data race detector. |
| 3 | |
bart | 09dc13f | 2009-02-14 15:13:31 +0000 | [diff] [blame^] | 4 | Copyright (C) 2006-2009 Bart Van Assche <bart.vanassche@gmail.com>. |
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 | 09dc13f | 2009-02-14 15:13:31 +0000 | [diff] [blame^] | 30 | #include "drd_load_store.h" |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 31 | #include "drd_malloc_wrappers.h" |
| 32 | #include "drd_mutex.h" |
bart | 5bd9f2d | 2008-03-03 20:31:58 +0000 | [diff] [blame] | 33 | #include "drd_rwlock.h" |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 34 | #include "drd_segment.h" |
sewardj | 8564292 | 2008-01-14 11:54:56 +0000 | [diff] [blame] | 35 | #include "drd_semaphore.h" |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 36 | #include "drd_suppression.h" |
| 37 | #include "drd_thread.h" |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 38 | #include "drd_vc.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 | |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 56 | // Function declarations. |
| 57 | |
| 58 | static void drd_start_client_code(const ThreadId tid, const ULong bbs_done); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 59 | |
| 60 | |
| 61 | // Local variables. |
| 62 | |
bart | 0886562 | 2008-06-06 14:31:36 +0000 | [diff] [blame] | 63 | static Bool s_drd_print_stats = False; |
bart | 0886562 | 2008-06-06 14:31:36 +0000 | [diff] [blame] | 64 | static Bool s_drd_var_info = False; |
| 65 | static Bool s_show_stack_usage = False; |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 66 | |
| 67 | |
| 68 | // |
| 69 | // Implement the needs_command_line_options for drd. |
| 70 | // |
| 71 | |
| 72 | static Bool drd_process_cmd_line_option(Char* arg) |
| 73 | { |
bart | 09dc13f | 2009-02-14 15:13:31 +0000 | [diff] [blame^] | 74 | int check_stack_accesses = -1; |
bart | 9d5b796 | 2008-05-14 12:25:00 +0000 | [diff] [blame] | 75 | int exclusive_threshold_ms = -1; |
bart | 0886562 | 2008-06-06 14:31:36 +0000 | [diff] [blame] | 76 | int segment_merging = -1; |
bart | 9d5b796 | 2008-05-14 12:25:00 +0000 | [diff] [blame] | 77 | int shared_threshold_ms = -1; |
bart | 0886562 | 2008-06-06 14:31:36 +0000 | [diff] [blame] | 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; |
bart | 09dc13f | 2009-02-14 15:13:31 +0000 | [diff] [blame^] | 83 | int trace_fork_join = -1; |
bart | e73b0aa | 2008-06-28 07:19:56 +0000 | [diff] [blame] | 84 | int trace_conflict_set = -1; |
bart | 0886562 | 2008-06-06 14:31:36 +0000 | [diff] [blame] | 85 | int trace_mutex = -1; |
| 86 | int trace_rwlock = -1; |
| 87 | int trace_segment = -1; |
| 88 | int trace_semaphore = -1; |
| 89 | int trace_suppression = -1; |
| 90 | Char* trace_address = 0; |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 91 | |
bart | 09dc13f | 2009-02-14 15:13:31 +0000 | [diff] [blame^] | 92 | VG_BOOL_CLO (arg, "--check-stack-var", check_stack_accesses) |
bart | 9d5b796 | 2008-05-14 12:25:00 +0000 | [diff] [blame] | 93 | else VG_BOOL_CLO(arg, "--drd-stats", s_drd_print_stats) |
bart | 46b5fce | 2008-06-28 13:01:30 +0000 | [diff] [blame] | 94 | else VG_BOOL_CLO(arg,"--report-signal-unlocked",s_drd_report_signal_unlocked) |
bart | 9d5b796 | 2008-05-14 12:25:00 +0000 | [diff] [blame] | 95 | else VG_BOOL_CLO(arg, "--segment-merging", segment_merging) |
| 96 | else VG_BOOL_CLO(arg, "--show-confl-seg", show_confl_seg) |
| 97 | else VG_BOOL_CLO(arg, "--show-stack-usage", s_show_stack_usage) |
| 98 | else VG_BOOL_CLO(arg, "--trace-barrier", trace_barrier) |
| 99 | else VG_BOOL_CLO(arg, "--trace-clientobj", trace_clientobj) |
| 100 | else VG_BOOL_CLO(arg, "--trace-cond", trace_cond) |
bart | e73b0aa | 2008-06-28 07:19:56 +0000 | [diff] [blame] | 101 | else VG_BOOL_CLO(arg, "--trace-conflict-set", trace_conflict_set) |
bart | 46b5fce | 2008-06-28 13:01:30 +0000 | [diff] [blame] | 102 | else VG_BOOL_CLO(arg, "--trace-csw", trace_csw) |
bart | 09dc13f | 2009-02-14 15:13:31 +0000 | [diff] [blame^] | 103 | else VG_BOOL_CLO(arg, "--trace-fork-join", trace_fork_join) |
bart | 9d5b796 | 2008-05-14 12:25:00 +0000 | [diff] [blame] | 104 | else VG_BOOL_CLO(arg, "--trace-mutex", trace_mutex) |
| 105 | else VG_BOOL_CLO(arg, "--trace-rwlock", trace_rwlock) |
| 106 | else VG_BOOL_CLO(arg, "--trace-segment", trace_segment) |
| 107 | else VG_BOOL_CLO(arg, "--trace-semaphore", trace_semaphore) |
| 108 | else VG_BOOL_CLO(arg, "--trace-suppr", trace_suppression) |
| 109 | else VG_BOOL_CLO(arg, "--var-info", s_drd_var_info) |
| 110 | else VG_NUM_CLO (arg, "--exclusive-threshold", exclusive_threshold_ms) |
| 111 | else VG_NUM_CLO (arg, "--shared-threshold", shared_threshold_ms) |
| 112 | else VG_STR_CLO (arg, "--trace-addr", trace_address) |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 113 | else |
bart | ceded21 | 2008-03-26 17:39:52 +0000 | [diff] [blame] | 114 | return VG_(replacement_malloc_process_cmd_line_option)(arg); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 115 | |
bart | 09dc13f | 2009-02-14 15:13:31 +0000 | [diff] [blame^] | 116 | if (check_stack_accesses != -1) |
| 117 | DRD_(set_check_stack_accesses)(check_stack_accesses); |
bart | 9d5b796 | 2008-05-14 12:25:00 +0000 | [diff] [blame] | 118 | if (exclusive_threshold_ms != -1) |
| 119 | { |
| 120 | mutex_set_lock_threshold(exclusive_threshold_ms); |
| 121 | rwlock_set_exclusive_threshold(exclusive_threshold_ms); |
| 122 | } |
| 123 | if (shared_threshold_ms != -1) |
| 124 | { |
| 125 | rwlock_set_shared_threshold(shared_threshold_ms); |
| 126 | } |
bart | a9c3739 | 2008-03-22 09:38:48 +0000 | [diff] [blame] | 127 | if (segment_merging != -1) |
| 128 | thread_set_segment_merging(segment_merging); |
| 129 | if (show_confl_seg != -1) |
bart | 16d76e5 | 2008-03-18 17:08:08 +0000 | [diff] [blame] | 130 | set_show_conflicting_segments(show_confl_seg); |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 131 | if (trace_address) |
| 132 | { |
bart | 005dc97 | 2008-03-29 14:42:59 +0000 | [diff] [blame] | 133 | const Addr addr = VG_(strtoll16)(trace_address, 0); |
| 134 | drd_start_tracing_address_range(addr, addr + 1); |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 135 | } |
bart | a9c3739 | 2008-03-22 09:38:48 +0000 | [diff] [blame] | 136 | if (trace_barrier != -1) |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 137 | barrier_set_trace(trace_barrier); |
bart | a9c3739 | 2008-03-22 09:38:48 +0000 | [diff] [blame] | 138 | if (trace_clientobj != -1) |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 139 | clientobj_set_trace(trace_clientobj); |
bart | a9c3739 | 2008-03-22 09:38:48 +0000 | [diff] [blame] | 140 | if (trace_cond != -1) |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 141 | cond_set_trace(trace_cond); |
bart | a9c3739 | 2008-03-22 09:38:48 +0000 | [diff] [blame] | 142 | if (trace_csw != -1) |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 143 | thread_trace_context_switches(trace_csw); |
bart | 09dc13f | 2009-02-14 15:13:31 +0000 | [diff] [blame^] | 144 | if (trace_fork_join != -1) |
| 145 | DRD_(thread_set_trace_fork_join)(trace_fork_join); |
bart | e73b0aa | 2008-06-28 07:19:56 +0000 | [diff] [blame] | 146 | if (trace_conflict_set != -1) |
| 147 | thread_trace_conflict_set(trace_conflict_set); |
bart | a9c3739 | 2008-03-22 09:38:48 +0000 | [diff] [blame] | 148 | if (trace_mutex != -1) |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 149 | mutex_set_trace(trace_mutex); |
bart | a9c3739 | 2008-03-22 09:38:48 +0000 | [diff] [blame] | 150 | if (trace_rwlock != -1) |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 151 | rwlock_set_trace(trace_rwlock); |
bart | a9c3739 | 2008-03-22 09:38:48 +0000 | [diff] [blame] | 152 | if (trace_segment != -1) |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 153 | sg_set_trace(trace_segment); |
bart | a9c3739 | 2008-03-22 09:38:48 +0000 | [diff] [blame] | 154 | if (trace_semaphore != -1) |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 155 | semaphore_set_trace(trace_semaphore); |
bart | a9c3739 | 2008-03-22 09:38:48 +0000 | [diff] [blame] | 156 | if (trace_suppression != -1) |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 157 | suppression_set_trace(trace_suppression); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 158 | |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 159 | return True; |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 160 | } |
| 161 | |
| 162 | static void drd_print_usage(void) |
bart | bd7e56e | 2008-03-31 18:14:12 +0000 | [diff] [blame] | 163 | { |
| 164 | VG_(printf)( |
bart | 0ffa483 | 2008-04-05 12:57:01 +0000 | [diff] [blame] | 165 | " --check-stack-var=yes|no Whether or not to report data races on\n" |
| 166 | " stack variables [no].\n" |
bart | 9d5b796 | 2008-05-14 12:25:00 +0000 | [diff] [blame] | 167 | " --exclusive-threshold=<n> Print an error message if any mutex or\n" |
| 168 | " writer lock is held longer than the specified time (in milliseconds).\n" |
bart | 46b5fce | 2008-06-28 13:01:30 +0000 | [diff] [blame] | 169 | " --report-signal-unlocked=yes|no Whether to report calls to\n" |
| 170 | " pthread_cond_signal() where the mutex associated\n" |
| 171 | " with the signal via pthread_cond_wait() is not\n" |
| 172 | " locked at the time the signal is sent [yes].\n" |
bart | 130463a | 2008-04-01 17:03:33 +0000 | [diff] [blame] | 173 | " --segment-merging=yes|no Controls segment merging [yes].\n" |
bart | bd7e56e | 2008-03-31 18:14:12 +0000 | [diff] [blame] | 174 | " Segment merging is an algorithm to limit memory usage of the\n" |
| 175 | " data race detection algorithm. Disabling segment merging may\n" |
| 176 | " improve the accuracy of the so-called 'other segments' displayed\n" |
| 177 | " in race reports but can also trigger an out of memory error.\n" |
bart | 9d5b796 | 2008-05-14 12:25:00 +0000 | [diff] [blame] | 178 | " --shared-threshold=<n> Print an error message if a reader lock\n" |
| 179 | " is held longer than the specified time (in milliseconds).\n" |
bart | 130463a | 2008-04-01 17:03:33 +0000 | [diff] [blame] | 180 | " --show-confl-seg=yes|no Show conflicting segments in race reports [yes].\n" |
| 181 | " --show-stack-usage=yes|no Print stack usage at thread exit time [no].\n" |
| 182 | " --var-info=yes|no Display the names of global, static and\n" |
bart | bd7e56e | 2008-03-31 18:14:12 +0000 | [diff] [blame] | 183 | " stack variables when a race is reported on such a variable. This\n" |
| 184 | " information is by default not displayed since for big programs\n" |
bart | 85d2253 | 2008-06-26 07:30:32 +0000 | [diff] [blame] | 185 | " reading in all debug information at once may cause an out of\n" |
| 186 | " memory error [no].\n" |
bart | bd7e56e | 2008-03-31 18:14:12 +0000 | [diff] [blame] | 187 | "\n" |
bart | ef1b972 | 2008-07-04 15:34:23 +0000 | [diff] [blame] | 188 | " drd options for monitoring process behavior:\n" |
bart | 952e1a0 | 2008-04-06 13:06:36 +0000 | [diff] [blame] | 189 | " --trace-addr=<address> Trace all load and store activity for the.\n" |
bart | 130463a | 2008-04-01 17:03:33 +0000 | [diff] [blame] | 190 | " specified address [off].\n" |
| 191 | " --trace-barrier=yes|no Trace all barrier activity [no].\n" |
| 192 | " --trace-cond=yes|no Trace all condition variable activity [no].\n" |
| 193 | " --trace-fork-join=yes|no Trace all thread fork/join activity [no].\n" |
| 194 | " --trace-mutex=yes|no Trace all mutex activity [no].\n" |
| 195 | " --trace-rwlock=yes|no Trace all reader-writer lock activity[no].\n" |
bart | 130463a | 2008-04-01 17:03:33 +0000 | [diff] [blame] | 196 | " --trace-semaphore=yes|no Trace all semaphore activity [no].\n" |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 197 | ); |
bart | 130463a | 2008-04-01 17:03:33 +0000 | [diff] [blame] | 198 | VG_(replacement_malloc_print_usage)(); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 199 | } |
| 200 | |
| 201 | static void drd_print_debug_usage(void) |
| 202 | { |
bart | 130463a | 2008-04-01 17:03:33 +0000 | [diff] [blame] | 203 | VG_(printf)( |
| 204 | " --drd-stats=yes|no Print statistics about DRD activity [no].\n" |
| 205 | " --trace-clientobj=yes|no Trace all client object activity [no].\n" |
| 206 | " --trace-csw=yes|no Trace all scheduler context switches [no].\n" |
bart | e73b0aa | 2008-06-28 07:19:56 +0000 | [diff] [blame] | 207 | " --trace-conflict-set=yes|no Trace all conflict set updates [no].\n" |
bart | 987781d | 2008-06-27 15:00:07 +0000 | [diff] [blame] | 208 | " --trace-segment=yes|no Trace segment actions [no].\n" |
| 209 | " --trace-suppr=yes|no Trace all address suppression actions [no].\n" |
bart | 130463a | 2008-04-01 17:03:33 +0000 | [diff] [blame] | 210 | ); |
| 211 | VG_(replacement_malloc_print_debug_usage)(); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 212 | } |
| 213 | |
| 214 | |
| 215 | // |
| 216 | // Implements the thread-related core callbacks. |
| 217 | // |
| 218 | |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 219 | static void drd_pre_mem_read(const CorePart part, |
| 220 | const ThreadId tid, |
| 221 | Char* const s, |
| 222 | const Addr a, |
| 223 | const SizeT size) |
| 224 | { |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 225 | if (size > 0) |
| 226 | { |
| 227 | drd_trace_load(a, size); |
| 228 | } |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 229 | } |
| 230 | |
bart | 5e85d26 | 2008-03-01 10:49:37 +0000 | [diff] [blame] | 231 | static void drd_pre_mem_read_asciiz(const CorePart part, |
| 232 | const ThreadId tid, |
| 233 | Char* const s, |
| 234 | const Addr a) |
| 235 | { |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 236 | const char* p = (void*)a; |
| 237 | SizeT size = 0; |
bart | 5e85d26 | 2008-03-01 10:49:37 +0000 | [diff] [blame] | 238 | |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 239 | /* Note: the expression '*p' reads client memory and may crash if the */ |
| 240 | /* client provided an invalid pointer ! */ |
| 241 | while (*p) |
| 242 | { |
| 243 | p++; |
| 244 | size++; |
| 245 | } |
| 246 | // To do: find out what a reasonable upper limit on 'size' is. |
| 247 | tl_assert(size < 4096); |
| 248 | if (size > 0) |
| 249 | { |
| 250 | drd_trace_load(a, size); |
| 251 | } |
bart | 5e85d26 | 2008-03-01 10:49:37 +0000 | [diff] [blame] | 252 | } |
| 253 | |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 254 | static void drd_post_mem_write(const CorePart part, |
| 255 | const ThreadId tid, |
| 256 | const Addr a, |
| 257 | const SizeT size) |
| 258 | { |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 259 | thread_set_vg_running_tid(VG_(get_running_tid)()); |
| 260 | if (size > 0) |
| 261 | { |
| 262 | drd_trace_store(a, size); |
| 263 | } |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 264 | } |
| 265 | |
bart | 0886562 | 2008-06-06 14:31:36 +0000 | [diff] [blame] | 266 | static __inline__ |
| 267 | void drd_start_using_mem(const Addr a1, const SizeT len) |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 268 | { |
bart | 005dc97 | 2008-03-29 14:42:59 +0000 | [diff] [blame] | 269 | tl_assert(a1 < a1 + len); |
bart | 5e85d26 | 2008-03-01 10:49:37 +0000 | [diff] [blame] | 270 | |
bart | b9c7d74 | 2008-06-10 12:51:51 +0000 | [diff] [blame] | 271 | if (UNLIKELY(drd_any_address_is_traced())) |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 272 | { |
bart | d576591 | 2008-03-16 08:40:55 +0000 | [diff] [blame] | 273 | drd_trace_mem_access(a1, len, eStart); |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 274 | } |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 275 | } |
| 276 | |
sewardj | 7cf4e6b | 2008-05-01 20:24:26 +0000 | [diff] [blame] | 277 | static void drd_start_using_mem_w_ecu(const Addr a1, |
| 278 | const SizeT len, |
| 279 | UInt ec_uniq) |
| 280 | { |
| 281 | drd_start_using_mem(a1, len); |
| 282 | } |
| 283 | |
| 284 | static void drd_start_using_mem_w_tid(const Addr a1, |
| 285 | const SizeT len, |
| 286 | ThreadId tid) |
| 287 | { |
| 288 | drd_start_using_mem(a1, len); |
| 289 | } |
| 290 | |
bart | 0ffa483 | 2008-04-05 12:57:01 +0000 | [diff] [blame] | 291 | static __inline__ |
| 292 | void drd_stop_using_mem(const Addr a1, const SizeT len, |
| 293 | const Bool is_stack_mem) |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 294 | { |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 295 | const Addr a2 = a1 + len; |
bart | 5e85d26 | 2008-03-01 10:49:37 +0000 | [diff] [blame] | 296 | |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 297 | tl_assert(a1 < a2); |
bart | 5e85d26 | 2008-03-01 10:49:37 +0000 | [diff] [blame] | 298 | |
bart | b9c7d74 | 2008-06-10 12:51:51 +0000 | [diff] [blame] | 299 | if (UNLIKELY(drd_any_address_is_traced())) |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 300 | { |
bart | d43f8d3 | 2008-03-16 17:29:20 +0000 | [diff] [blame] | 301 | drd_trace_mem_access(a1, len, eEnd); |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 302 | } |
bart | 09dc13f | 2009-02-14 15:13:31 +0000 | [diff] [blame^] | 303 | if (! is_stack_mem || DRD_(get_check_stack_accesses)()) |
bart | 0ffa483 | 2008-04-05 12:57:01 +0000 | [diff] [blame] | 304 | { |
| 305 | thread_stop_using_mem(a1, a2); |
| 306 | clientobj_stop_using_mem(a1, a2); |
| 307 | drd_suppression_stop_using_mem(a1, a2); |
| 308 | } |
| 309 | } |
| 310 | |
| 311 | static __inline__ |
| 312 | void drd_stop_using_nonstack_mem(const Addr a1, const SizeT len) |
| 313 | { |
| 314 | drd_stop_using_mem(a1, len, False); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 315 | } |
| 316 | |
bart | cb2d007 | 2008-05-31 07:55:51 +0000 | [diff] [blame] | 317 | /** Suppress data race reports on all addresses contained in .plt and |
| 318 | * .got.plt sections inside the address range [ a, a + len [. The data in |
| 319 | * these sections is modified by _dl_relocate_object() every time a function |
| 320 | * in a shared library is called for the first time. Since the first call |
| 321 | * to a function in a shared library can happen from a multithreaded context, |
| 322 | * such calls can cause conflicting accesses. See also Ulrich Drepper's |
| 323 | * paper "How to Write Shared Libraries" for more information about relocation |
| 324 | * (http://people.redhat.com/drepper/dsohowto.pdf). |
| 325 | */ |
| 326 | static void suppress_relocation_conflicts(const Addr a, const SizeT len) |
| 327 | { |
| 328 | const DebugInfo* di; |
| 329 | |
| 330 | #if 0 |
| 331 | VG_(printf)("Evaluating range @ 0x%lx size %ld\n", a, len); |
| 332 | #endif |
| 333 | |
| 334 | for (di = VG_(next_seginfo)(0); di; di = VG_(next_seginfo)(di)) |
| 335 | { |
| 336 | Addr avma; |
| 337 | SizeT size; |
| 338 | |
| 339 | avma = VG_(seginfo_get_plt_avma)(di); |
| 340 | size = VG_(seginfo_get_plt_size)(di); |
bart | 7f42a3c | 2009-01-30 17:52:21 +0000 | [diff] [blame] | 341 | tl_assert((avma && size) || (avma == 0 && size == 0)); |
| 342 | if (size > 0) |
bart | cb2d007 | 2008-05-31 07:55:51 +0000 | [diff] [blame] | 343 | { |
| 344 | #if 0 |
| 345 | VG_(printf)("Suppressing .plt @ 0x%lx size %ld\n", avma, size); |
| 346 | #endif |
| 347 | tl_assert(VG_(seginfo_sect_kind)(NULL, 0, avma) == Vg_SectPLT); |
| 348 | drd_start_suppression(avma, avma + size, ".plt"); |
| 349 | } |
| 350 | |
| 351 | avma = VG_(seginfo_get_gotplt_avma)(di); |
| 352 | size = VG_(seginfo_get_gotplt_size)(di); |
bart | 7f42a3c | 2009-01-30 17:52:21 +0000 | [diff] [blame] | 353 | tl_assert((avma && size) || (avma == 0 && size == 0)); |
| 354 | if (size > 0) |
bart | cb2d007 | 2008-05-31 07:55:51 +0000 | [diff] [blame] | 355 | { |
| 356 | #if 0 |
| 357 | VG_(printf)("Suppressing .got.plt @ 0x%lx size %ld\n", avma, size); |
| 358 | #endif |
| 359 | tl_assert(VG_(seginfo_sect_kind)(NULL, 0, avma) == Vg_SectGOTPLT); |
| 360 | drd_start_suppression(avma, avma + size, ".gotplt"); |
| 361 | } |
| 362 | } |
| 363 | } |
| 364 | |
bart | 5e85d26 | 2008-03-01 10:49:37 +0000 | [diff] [blame] | 365 | static |
| 366 | void drd_start_using_mem_w_perms(const Addr a, const SizeT len, |
sewardj | 9c606bd | 2008-09-18 18:12:50 +0000 | [diff] [blame] | 367 | const Bool rr, const Bool ww, const Bool xx, |
| 368 | ULong di_handle) |
bart | 5e85d26 | 2008-03-01 10:49:37 +0000 | [diff] [blame] | 369 | { |
bart | d576591 | 2008-03-16 08:40:55 +0000 | [diff] [blame] | 370 | thread_set_vg_running_tid(VG_(get_running_tid)()); |
| 371 | |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 372 | drd_start_using_mem(a, len); |
bart | cb2d007 | 2008-05-31 07:55:51 +0000 | [diff] [blame] | 373 | |
| 374 | suppress_relocation_conflicts(a, len); |
bart | 5e85d26 | 2008-03-01 10:49:37 +0000 | [diff] [blame] | 375 | } |
| 376 | |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 377 | /* Called by the core when the stack of a thread grows, to indicate that */ |
| 378 | /* the addresses in range [ a, a + len [ may now be used by the client. */ |
| 379 | /* Assumption: stacks grow downward. */ |
bart | 0886562 | 2008-06-06 14:31:36 +0000 | [diff] [blame] | 380 | static __inline__ |
| 381 | void drd_start_using_mem_stack(const Addr a, const SizeT len) |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 382 | { |
bart | d43f8d3 | 2008-03-16 17:29:20 +0000 | [diff] [blame] | 383 | thread_set_stack_min(thread_get_running_tid(), a - VG_STACK_REDZONE_SZB); |
sewardj | 7cf4e6b | 2008-05-01 20:24:26 +0000 | [diff] [blame] | 384 | drd_start_using_mem(a - VG_STACK_REDZONE_SZB, |
| 385 | len + VG_STACK_REDZONE_SZB); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 386 | } |
| 387 | |
| 388 | /* Called by the core when the stack of a thread shrinks, to indicate that */ |
| 389 | /* the addresses [ a, a + len [ are no longer accessible for the client. */ |
| 390 | /* Assumption: stacks grow downward. */ |
bart | 0886562 | 2008-06-06 14:31:36 +0000 | [diff] [blame] | 391 | static __inline__ |
| 392 | void drd_stop_using_mem_stack(const Addr a, const SizeT len) |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 393 | { |
bart | d43f8d3 | 2008-03-16 17:29:20 +0000 | [diff] [blame] | 394 | thread_set_stack_min(thread_get_running_tid(), |
| 395 | a + len - VG_STACK_REDZONE_SZB); |
bart | 0ffa483 | 2008-04-05 12:57:01 +0000 | [diff] [blame] | 396 | drd_stop_using_mem(a - VG_STACK_REDZONE_SZB, len + VG_STACK_REDZONE_SZB, |
| 397 | True); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 398 | } |
| 399 | |
sewardj | 7cf4e6b | 2008-05-01 20:24:26 +0000 | [diff] [blame] | 400 | static void drd_start_using_mem_stack_signal( |
| 401 | const Addr a, const SizeT len, |
| 402 | ThreadId tid_for_whom_the_signal_frame_is_being_constructed) |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 403 | { |
bart | d576591 | 2008-03-16 08:40:55 +0000 | [diff] [blame] | 404 | thread_set_vg_running_tid(VG_(get_running_tid)()); |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 405 | drd_start_using_mem(a, len); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 406 | } |
| 407 | |
bart | 5e85d26 | 2008-03-01 10:49:37 +0000 | [diff] [blame] | 408 | static void drd_stop_using_mem_stack_signal(Addr a, SizeT len) |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 409 | { |
bart | 0ffa483 | 2008-04-05 12:57:01 +0000 | [diff] [blame] | 410 | drd_stop_using_mem(a, len, True); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 411 | } |
| 412 | |
| 413 | static |
| 414 | void drd_pre_thread_create(const ThreadId creator, const ThreadId created) |
| 415 | { |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 416 | const DrdThreadId drd_creator = VgThreadIdToDrdThreadId(creator); |
| 417 | tl_assert(created != VG_INVALID_THREADID); |
| 418 | thread_pre_create(drd_creator, created); |
| 419 | if (IsValidDrdThreadId(drd_creator)) |
| 420 | { |
| 421 | thread_new_segment(drd_creator); |
| 422 | } |
bart | 09dc13f | 2009-02-14 15:13:31 +0000 | [diff] [blame^] | 423 | if (DRD_(thread_get_trace_fork_join)()) |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 424 | { |
| 425 | VG_(message)(Vg_DebugMsg, |
| 426 | "drd_pre_thread_create creator = %d/%d, created = %d", |
| 427 | creator, drd_creator, created); |
| 428 | } |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 429 | } |
| 430 | |
| 431 | /* Called by Valgrind's core before any loads or stores are performed on */ |
| 432 | /* the context of thread "created". At startup, this function is called */ |
| 433 | /* with arguments (0,1). */ |
| 434 | static |
bart | 0ffa483 | 2008-04-05 12:57:01 +0000 | [diff] [blame] | 435 | void drd_post_thread_create(const ThreadId vg_created) |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 436 | { |
bart | 0ffa483 | 2008-04-05 12:57:01 +0000 | [diff] [blame] | 437 | DrdThreadId drd_created; |
| 438 | |
| 439 | tl_assert(vg_created != VG_INVALID_THREADID); |
| 440 | |
| 441 | drd_created = thread_post_create(vg_created); |
bart | 09dc13f | 2009-02-14 15:13:31 +0000 | [diff] [blame^] | 442 | if (DRD_(thread_get_trace_fork_join)()) |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 443 | { |
| 444 | VG_(message)(Vg_DebugMsg, |
| 445 | "drd_post_thread_create created = %d/%d", |
bart | 0ffa483 | 2008-04-05 12:57:01 +0000 | [diff] [blame] | 446 | vg_created, drd_created); |
| 447 | } |
bart | 09dc13f | 2009-02-14 15:13:31 +0000 | [diff] [blame^] | 448 | if (! DRD_(get_check_stack_accesses)()) |
bart | 0ffa483 | 2008-04-05 12:57:01 +0000 | [diff] [blame] | 449 | { |
| 450 | drd_start_suppression(thread_get_stack_max(drd_created) |
| 451 | - thread_get_stack_size(drd_created), |
| 452 | thread_get_stack_max(drd_created), |
| 453 | "stack"); |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 454 | } |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 455 | } |
| 456 | |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 457 | /* Called after a thread has performed its last memory access. */ |
bart | d43f8d3 | 2008-03-16 17:29:20 +0000 | [diff] [blame] | 458 | static void drd_thread_finished(ThreadId vg_tid) |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 459 | { |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 460 | DrdThreadId drd_tid; |
sewardj | 8564292 | 2008-01-14 11:54:56 +0000 | [diff] [blame] | 461 | |
bart | d43f8d3 | 2008-03-16 17:29:20 +0000 | [diff] [blame] | 462 | tl_assert(VG_(get_running_tid)() == vg_tid); |
sewardj | 8564292 | 2008-01-14 11:54:56 +0000 | [diff] [blame] | 463 | |
bart | d43f8d3 | 2008-03-16 17:29:20 +0000 | [diff] [blame] | 464 | drd_tid = VgThreadIdToDrdThreadId(vg_tid); |
bart | 09dc13f | 2009-02-14 15:13:31 +0000 | [diff] [blame^] | 465 | if (DRD_(thread_get_trace_fork_join)()) |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 466 | { |
| 467 | VG_(message)(Vg_DebugMsg, |
| 468 | "drd_thread_finished tid = %d/%d%s", |
bart | d43f8d3 | 2008-03-16 17:29:20 +0000 | [diff] [blame] | 469 | vg_tid, |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 470 | drd_tid, |
| 471 | thread_get_joinable(drd_tid) |
| 472 | ? "" |
| 473 | : " (which is a detached thread)"); |
bart | 912ab8d | 2008-03-29 09:31:43 +0000 | [diff] [blame] | 474 | } |
| 475 | if (s_show_stack_usage) |
| 476 | { |
| 477 | const SizeT stack_size = thread_get_stack_size(drd_tid); |
| 478 | const SizeT used_stack |
| 479 | = thread_get_stack_max(drd_tid) - thread_get_stack_min_min(drd_tid); |
| 480 | VG_(message)(Vg_UserMsg, |
| 481 | "thread %d/%d%s finished and used %ld bytes out of %ld" |
| 482 | " on its stack. Margin: %ld bytes.", |
| 483 | vg_tid, |
| 484 | drd_tid, |
| 485 | thread_get_joinable(drd_tid) |
| 486 | ? "" |
| 487 | : " (which is a detached thread)", |
| 488 | used_stack, |
| 489 | stack_size, |
| 490 | stack_size - used_stack); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 491 | |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 492 | } |
bart | d43f8d3 | 2008-03-16 17:29:20 +0000 | [diff] [blame] | 493 | drd_stop_using_mem(thread_get_stack_min(drd_tid), |
| 494 | thread_get_stack_max(drd_tid) |
bart | 0ffa483 | 2008-04-05 12:57:01 +0000 | [diff] [blame] | 495 | - thread_get_stack_min(drd_tid), |
| 496 | True); |
bart | d43f8d3 | 2008-03-16 17:29:20 +0000 | [diff] [blame] | 497 | thread_stop_recording(drd_tid); |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 498 | thread_finished(drd_tid); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 499 | } |
| 500 | |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 501 | // |
| 502 | // Implementation of the tool interface. |
| 503 | // |
| 504 | |
| 505 | static |
| 506 | void drd_post_clo_init(void) |
sewardj | dcbb8d3 | 2007-11-26 21:34:30 +0000 | [diff] [blame] | 507 | { |
bart | 5403f21 | 2008-06-30 10:56:18 +0000 | [diff] [blame] | 508 | # if defined(VGP_x86_linux) || defined(VGP_amd64_linux) \ |
| 509 | || defined(VGP_ppc32_linux) || defined(VGP_ppc64_linux) |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 510 | /* fine */ |
sewardj | dcbb8d3 | 2007-11-26 21:34:30 +0000 | [diff] [blame] | 511 | # else |
bart | 5403f21 | 2008-06-30 10:56:18 +0000 | [diff] [blame] | 512 | VG_(printf)("\nWARNING: DRD has only been tested on Linux.\n\n"); |
sewardj | dcbb8d3 | 2007-11-26 21:34:30 +0000 | [diff] [blame] | 513 | # endif |
bart | 95761b5 | 2008-03-29 08:34:03 +0000 | [diff] [blame] | 514 | |
| 515 | if (s_drd_var_info) |
| 516 | { |
| 517 | VG_(needs_var_info)(); |
| 518 | } |
sewardj | dcbb8d3 | 2007-11-26 21:34:30 +0000 | [diff] [blame] | 519 | } |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 520 | |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 521 | static void drd_start_client_code(const ThreadId tid, const ULong bbs_done) |
| 522 | { |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 523 | tl_assert(tid == VG_(get_running_tid)()); |
| 524 | thread_set_vg_running_tid(tid); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 525 | } |
| 526 | |
| 527 | static |
| 528 | void drd_fini(Int exitcode) |
| 529 | { |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 530 | // thread_print_all(); |
bart | bd7e56e | 2008-03-31 18:14:12 +0000 | [diff] [blame] | 531 | if (VG_(clo_verbosity) > 1 || s_drd_print_stats) |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 532 | { |
bart | e73b0aa | 2008-06-28 07:19:56 +0000 | [diff] [blame] | 533 | ULong update_conflict_set_count; |
bart | e4504dd | 2008-04-06 15:02:58 +0000 | [diff] [blame] | 534 | ULong dsnsc; |
| 535 | ULong dscvc; |
| 536 | |
bart | e73b0aa | 2008-06-28 07:19:56 +0000 | [diff] [blame] | 537 | update_conflict_set_count |
| 538 | = thread_get_update_conflict_set_count(&dsnsc, &dscvc); |
bart | e4504dd | 2008-04-06 15:02:58 +0000 | [diff] [blame] | 539 | |
bart | bd7e56e | 2008-03-31 18:14:12 +0000 | [diff] [blame] | 540 | VG_(message)(Vg_UserMsg, |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 541 | " thread: %lld context switches" |
bart | e73b0aa | 2008-06-28 07:19:56 +0000 | [diff] [blame] | 542 | " / %lld updates of the conflict set", |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 543 | thread_get_context_switch_count(), |
bart | e73b0aa | 2008-06-28 07:19:56 +0000 | [diff] [blame] | 544 | update_conflict_set_count); |
bart | e4504dd | 2008-04-06 15:02:58 +0000 | [diff] [blame] | 545 | VG_(message)(Vg_UserMsg, |
| 546 | " (%lld new sg + %lld combine vc + %lld csw).", |
| 547 | dsnsc, |
| 548 | dscvc, |
bart | e73b0aa | 2008-06-28 07:19:56 +0000 | [diff] [blame] | 549 | update_conflict_set_count - dsnsc - dscvc); |
bart | bd7e56e | 2008-03-31 18:14:12 +0000 | [diff] [blame] | 550 | VG_(message)(Vg_UserMsg, |
| 551 | " segments: created %lld segments, max %lld alive," |
| 552 | " %lld discard points.", |
bart | 7102f10 | 2008-03-17 17:37:53 +0000 | [diff] [blame] | 553 | sg_get_created_segments_count(), |
| 554 | sg_get_max_alive_segments_count(), |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 555 | thread_get_discard_ordered_segments_count()); |
bart | bd7e56e | 2008-03-31 18:14:12 +0000 | [diff] [blame] | 556 | VG_(message)(Vg_UserMsg, |
bart | 6bbefaf | 2008-04-19 15:16:45 +0000 | [diff] [blame] | 557 | " (%lld m, %lld rw, %lld s, %lld b)", |
| 558 | get_mutex_segment_creation_count(), |
| 559 | get_rwlock_segment_creation_count(), |
| 560 | get_semaphore_segment_creation_count(), |
| 561 | get_barrier_segment_creation_count()); |
| 562 | VG_(message)(Vg_UserMsg, |
bart | 952e1a0 | 2008-04-06 13:06:36 +0000 | [diff] [blame] | 563 | " bitmaps: %lld level 1 / %lld level 2 bitmap refs", |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 564 | bm_get_bitmap_creation_count(), |
bart | 952e1a0 | 2008-04-06 13:06:36 +0000 | [diff] [blame] | 565 | bm_get_bitmap2_node_creation_count()); |
| 566 | VG_(message)(Vg_UserMsg, |
| 567 | " and %lld level 2 bitmaps were allocated.", |
bart | bd7e56e | 2008-03-31 18:14:12 +0000 | [diff] [blame] | 568 | bm_get_bitmap2_creation_count()); |
| 569 | VG_(message)(Vg_UserMsg, |
| 570 | " mutex: %lld non-recursive lock/unlock events.", |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 571 | get_mutex_lock_count()); |
| 572 | drd_print_malloc_stats(); |
| 573 | } |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 574 | } |
| 575 | |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 576 | static |
| 577 | void drd_pre_clo_init(void) |
| 578 | { |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 579 | // Basic tool stuff. |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 580 | |
bart | ef1b972 | 2008-07-04 15:34:23 +0000 | [diff] [blame] | 581 | VG_(details_name) ("drd"); |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 582 | VG_(details_version) (NULL); |
bart | c821a94 | 2008-07-04 14:48:39 +0000 | [diff] [blame] | 583 | VG_(details_description) ("a thread error detector"); |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 584 | VG_(details_copyright_author)("Copyright (C) 2006-2008, and GNU GPL'd," |
| 585 | " by Bart Van Assche."); |
| 586 | VG_(details_bug_reports_to) (VG_BUGS_TO); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 587 | |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 588 | VG_(basic_tool_funcs) (drd_post_clo_init, |
| 589 | drd_instrument, |
| 590 | drd_fini); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 591 | |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 592 | // Command line stuff. |
| 593 | VG_(needs_command_line_options)(drd_process_cmd_line_option, |
| 594 | drd_print_usage, |
| 595 | drd_print_debug_usage); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 596 | |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 597 | // Error handling. |
| 598 | drd_register_error_handlers(); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 599 | |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 600 | // Core event tracking. |
| 601 | VG_(track_pre_mem_read) (drd_pre_mem_read); |
| 602 | VG_(track_pre_mem_read_asciiz) (drd_pre_mem_read_asciiz); |
| 603 | VG_(track_post_mem_write) (drd_post_mem_write); |
sewardj | 7cf4e6b | 2008-05-01 20:24:26 +0000 | [diff] [blame] | 604 | VG_(track_new_mem_brk) (drd_start_using_mem_w_tid); |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 605 | VG_(track_new_mem_mmap) (drd_start_using_mem_w_perms); |
| 606 | VG_(track_new_mem_stack) (drd_start_using_mem_stack); |
| 607 | VG_(track_new_mem_stack_signal) (drd_start_using_mem_stack_signal); |
| 608 | VG_(track_new_mem_startup) (drd_start_using_mem_w_perms); |
bart | 0ffa483 | 2008-04-05 12:57:01 +0000 | [diff] [blame] | 609 | VG_(track_die_mem_brk) (drd_stop_using_nonstack_mem); |
| 610 | VG_(track_die_mem_munmap) (drd_stop_using_nonstack_mem); |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 611 | VG_(track_die_mem_stack) (drd_stop_using_mem_stack); |
| 612 | VG_(track_die_mem_stack_signal) (drd_stop_using_mem_stack_signal); |
| 613 | VG_(track_start_client_code) (drd_start_client_code); |
| 614 | VG_(track_pre_thread_ll_create) (drd_pre_thread_create); |
| 615 | VG_(track_pre_thread_first_insn)(drd_post_thread_create); |
| 616 | VG_(track_pre_thread_ll_exit) (drd_thread_finished); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 617 | |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 618 | // Other stuff. |
sewardj | 7cf4e6b | 2008-05-01 20:24:26 +0000 | [diff] [blame] | 619 | drd_register_malloc_wrappers(drd_start_using_mem_w_ecu, |
bart | 0ffa483 | 2008-04-05 12:57:01 +0000 | [diff] [blame] | 620 | drd_stop_using_nonstack_mem); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 621 | |
bart | 09dc13f | 2009-02-14 15:13:31 +0000 | [diff] [blame^] | 622 | DRD_(clientreq_init)(); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 623 | |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 624 | drd_suppression_init(); |
bart | 4bb53d8 | 2008-02-28 19:06:34 +0000 | [diff] [blame] | 625 | |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 626 | clientobj_init(); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 627 | } |
| 628 | |
| 629 | |
| 630 | VG_DETERMINE_INTERFACE_VERSION(drd_pre_clo_init) |