sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 1 | /* |
| 2 | This file is part of drd, a data race detector. |
| 3 | |
sewardj | 8564292 | 2008-01-14 11:54:56 +0000 | [diff] [blame] | 4 | Copyright (C) 2006-2008 Bart Van Assche |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 5 | bart.vanassche@gmail.com |
| 6 | |
| 7 | This program is free software; you can redistribute it and/or |
| 8 | modify it under the terms of the GNU General Public License as |
| 9 | published by the Free Software Foundation; either version 2 of the |
| 10 | License, or (at your option) any later version. |
| 11 | |
| 12 | This program is distributed in the hope that it will be useful, but |
| 13 | WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 15 | General Public License for more details. |
| 16 | |
| 17 | You should have received a copy of the GNU General Public License |
| 18 | along with this program; if not, write to the Free Software |
| 19 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| 20 | 02111-1307, USA. |
| 21 | |
| 22 | The GNU General Public License is contained in the file COPYING. |
| 23 | */ |
| 24 | |
| 25 | |
sewardj | 8564292 | 2008-01-14 11:54:56 +0000 | [diff] [blame] | 26 | #include "drd_barrier.h" |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 27 | #include "drd_clientreq.h" |
bart | 4bb53d8 | 2008-02-28 19:06:34 +0000 | [diff] [blame] | 28 | #include "drd_clientobj.h" |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 29 | #include "drd_cond.h" |
| 30 | #include "drd_error.h" |
| 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" |
| 38 | #include "drd_track.h" |
| 39 | #include "drd_vc.h" |
sewardj | 721ad7b | 2007-11-30 08:30:29 +0000 | [diff] [blame] | 40 | #include "priv_drd_clientreq.h" |
sewardj | 8564292 | 2008-01-14 11:54:56 +0000 | [diff] [blame] | 41 | #include "pub_drd_bitmap.h" |
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) |
sewardj | 8564292 | 2008-01-14 11:54:56 +0000 | [diff] [blame] | 47 | #include "pub_tool_vki.h" // Must be included before pub_tool_libcproc |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 48 | #include "pub_tool_libcproc.h" |
| 49 | #include "pub_tool_machine.h" |
| 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" |
bart | ceded21 | 2008-03-26 17:39:52 +0000 | [diff] [blame^] | 54 | #include "pub_tool_replacemalloc.h" |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 55 | |
| 56 | |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 57 | // Function declarations. |
| 58 | |
| 59 | static void drd_start_client_code(const ThreadId tid, const ULong bbs_done); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 60 | |
| 61 | |
| 62 | // Local variables. |
| 63 | |
| 64 | static Bool drd_print_stats = False; |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 65 | static Bool drd_trace_fork_join = False; |
sewardj | 8564292 | 2008-01-14 11:54:56 +0000 | [diff] [blame] | 66 | static Bool drd_trace_mem = False; |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 67 | static Addr drd_trace_address = 0; |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 68 | |
| 69 | |
| 70 | // |
| 71 | // Implement the needs_command_line_options for drd. |
| 72 | // |
| 73 | |
| 74 | static Bool drd_process_cmd_line_option(Char* arg) |
| 75 | { |
bart | a9c3739 | 2008-03-22 09:38:48 +0000 | [diff] [blame] | 76 | int segment_merging = -1; |
| 77 | int show_confl_seg = -1; |
| 78 | int trace_barrier = -1; |
| 79 | int trace_clientobj = -1; |
| 80 | int trace_cond = -1; |
| 81 | int trace_csw = -1; |
| 82 | int trace_danger_set = -1; |
| 83 | int trace_mutex = -1; |
| 84 | int trace_rwlock = -1; |
| 85 | int trace_segment = -1; |
| 86 | int trace_semaphore = -1; |
| 87 | int trace_suppression = -1; |
| 88 | Char* trace_address = 0; |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 89 | |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 90 | VG_BOOL_CLO (arg, "--drd-stats", drd_print_stats) |
bart | a9c3739 | 2008-03-22 09:38:48 +0000 | [diff] [blame] | 91 | else VG_BOOL_CLO(arg, "--segment-merging", segment_merging) |
bart | 16d76e5 | 2008-03-18 17:08:08 +0000 | [diff] [blame] | 92 | else VG_BOOL_CLO(arg, "--show-confl-seg", show_confl_seg) |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 93 | else VG_BOOL_CLO(arg, "--trace-barrier", trace_barrier) |
| 94 | else VG_BOOL_CLO(arg, "--trace-clientobj", trace_clientobj) |
| 95 | else VG_BOOL_CLO(arg, "--trace-cond", trace_cond) |
| 96 | else VG_BOOL_CLO(arg, "--trace-csw", trace_csw) |
| 97 | else VG_BOOL_CLO(arg, "--trace-danger-set", trace_danger_set) |
| 98 | else VG_BOOL_CLO(arg, "--trace-fork-join", drd_trace_fork_join) |
| 99 | else VG_BOOL_CLO(arg, "--trace-mem", drd_trace_mem) |
| 100 | else VG_BOOL_CLO(arg, "--trace-mutex", trace_mutex) |
| 101 | else VG_BOOL_CLO(arg, "--trace-rwlock", trace_rwlock) |
| 102 | else VG_BOOL_CLO(arg, "--trace-segment", trace_segment) |
| 103 | else VG_BOOL_CLO(arg, "--trace-semaphore", trace_semaphore) |
| 104 | else VG_BOOL_CLO(arg, "--trace-suppression", trace_suppression) |
| 105 | else VG_STR_CLO (arg, "--trace-address", trace_address) |
| 106 | else |
bart | ceded21 | 2008-03-26 17:39:52 +0000 | [diff] [blame^] | 107 | return VG_(replacement_malloc_process_cmd_line_option)(arg); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 108 | |
bart | a9c3739 | 2008-03-22 09:38:48 +0000 | [diff] [blame] | 109 | if (segment_merging != -1) |
| 110 | thread_set_segment_merging(segment_merging); |
| 111 | if (show_confl_seg != -1) |
bart | 16d76e5 | 2008-03-18 17:08:08 +0000 | [diff] [blame] | 112 | set_show_conflicting_segments(show_confl_seg); |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 113 | if (trace_address) |
| 114 | { |
| 115 | drd_trace_address = VG_(strtoll16)(trace_address, 0); |
| 116 | } |
bart | a9c3739 | 2008-03-22 09:38:48 +0000 | [diff] [blame] | 117 | if (trace_barrier != -1) |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 118 | barrier_set_trace(trace_barrier); |
bart | a9c3739 | 2008-03-22 09:38:48 +0000 | [diff] [blame] | 119 | if (trace_clientobj != -1) |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 120 | clientobj_set_trace(trace_clientobj); |
bart | a9c3739 | 2008-03-22 09:38:48 +0000 | [diff] [blame] | 121 | if (trace_cond != -1) |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 122 | cond_set_trace(trace_cond); |
bart | a9c3739 | 2008-03-22 09:38:48 +0000 | [diff] [blame] | 123 | if (trace_csw != -1) |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 124 | thread_trace_context_switches(trace_csw); |
bart | a9c3739 | 2008-03-22 09:38:48 +0000 | [diff] [blame] | 125 | if (trace_danger_set != -1) |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 126 | thread_trace_danger_set(trace_danger_set); |
bart | a9c3739 | 2008-03-22 09:38:48 +0000 | [diff] [blame] | 127 | if (trace_mutex != -1) |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 128 | mutex_set_trace(trace_mutex); |
bart | a9c3739 | 2008-03-22 09:38:48 +0000 | [diff] [blame] | 129 | if (trace_rwlock != -1) |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 130 | rwlock_set_trace(trace_rwlock); |
bart | a9c3739 | 2008-03-22 09:38:48 +0000 | [diff] [blame] | 131 | if (trace_segment != -1) |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 132 | sg_set_trace(trace_segment); |
bart | a9c3739 | 2008-03-22 09:38:48 +0000 | [diff] [blame] | 133 | if (trace_semaphore != -1) |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 134 | semaphore_set_trace(trace_semaphore); |
bart | a9c3739 | 2008-03-22 09:38:48 +0000 | [diff] [blame] | 135 | if (trace_suppression != -1) |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 136 | suppression_set_trace(trace_suppression); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 137 | |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 138 | return True; |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 139 | } |
| 140 | |
| 141 | static void drd_print_usage(void) |
| 142 | { |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 143 | VG_(printf)(" --trace-mem=no|yes Trace all memory accesses to stdout[no]" |
| 144 | "\n" |
| 145 | " --trace-fork-join=no|yes Trace all thread creation and join" |
| 146 | " activity\n" |
| 147 | " --trace-mutex=no|yes Trace all mutex activity\n" |
| 148 | " --trace-segment=no|yes Trace segment actions\n" |
| 149 | ); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 150 | } |
| 151 | |
| 152 | static void drd_print_debug_usage(void) |
| 153 | { |
| 154 | } |
| 155 | |
| 156 | |
| 157 | // |
| 158 | // Implements the thread-related core callbacks. |
| 159 | // |
| 160 | |
bart | a79df6e | 2008-03-14 17:07:51 +0000 | [diff] [blame] | 161 | static void drd_trace_mem_access(const Addr addr, const SizeT size, |
| 162 | const BmAccessTypeT access_type) |
| 163 | { |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 164 | char vc[80]; |
| 165 | vc_snprint(vc, sizeof(vc), thread_get_vc(thread_get_running_tid())); |
| 166 | VG_(message)(Vg_UserMsg, |
bart | 354009c | 2008-03-16 10:42:33 +0000 | [diff] [blame] | 167 | "%s 0x%lx size %ld (vg %d / drd %d / vc %s)", |
bart | d576591 | 2008-03-16 08:40:55 +0000 | [diff] [blame] | 168 | access_type == eLoad |
| 169 | ? "load " |
| 170 | : access_type == eStore |
| 171 | ? "store" |
| 172 | : access_type == eStart |
| 173 | ? "start" |
| 174 | : access_type == eEnd |
bart | d43f8d3 | 2008-03-16 17:29:20 +0000 | [diff] [blame] | 175 | ? "end " |
bart | d576591 | 2008-03-16 08:40:55 +0000 | [diff] [blame] | 176 | : "????", |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 177 | addr, |
| 178 | size, |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 179 | VG_(get_running_tid)(), |
| 180 | thread_get_running_tid(), |
| 181 | vc); |
| 182 | VG_(get_and_pp_StackTrace)(VG_(get_running_tid)(), |
| 183 | VG_(clo_backtrace_size)); |
| 184 | tl_assert(DrdThreadIdToVgThreadId(thread_get_running_tid()) |
| 185 | == VG_(get_running_tid)()); |
bart | a79df6e | 2008-03-14 17:07:51 +0000 | [diff] [blame] | 186 | } |
| 187 | |
| 188 | static void drd_report_race(const Addr addr, const SizeT size, |
| 189 | const BmAccessTypeT access_type) |
| 190 | { |
bart | 49c3a11 | 2008-03-15 10:28:36 +0000 | [diff] [blame] | 191 | DataRaceErrInfo drei; |
| 192 | |
bart | 7a28214 | 2008-03-15 08:34:23 +0000 | [diff] [blame] | 193 | if (drd_is_suppressed(addr, addr + size)) |
| 194 | return; |
| 195 | |
bart | 354009c | 2008-03-16 10:42:33 +0000 | [diff] [blame] | 196 | drei.tid = thread_get_running_tid(); |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 197 | drei.addr = addr; |
| 198 | drei.size = size; |
| 199 | drei.access_type = access_type; |
| 200 | VG_(maybe_record_error)(VG_(get_running_tid)(), |
| 201 | DataRaceErr, |
| 202 | VG_(get_IP)(VG_(get_running_tid)()), |
| 203 | "Conflicting accesses", |
| 204 | &drei); |
bart | a79df6e | 2008-03-14 17:07:51 +0000 | [diff] [blame] | 205 | } |
| 206 | |
| 207 | static VG_REGPARM(2) void drd_trace_load(Addr addr, SizeT size) |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 208 | { |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 209 | Segment* sg; |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 210 | |
bart | f00a85b | 2008-03-13 18:49:23 +0000 | [diff] [blame] | 211 | #if 0 |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 212 | /* The assert below has been commented out because of performance reasons.*/ |
| 213 | tl_assert(thread_get_running_tid() |
| 214 | == VgThreadIdToDrdThreadId(VG_(get_running_tid()))); |
bart | f00a85b | 2008-03-13 18:49:23 +0000 | [diff] [blame] | 215 | #endif |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 216 | |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 217 | if (! running_thread_is_recording()) |
| 218 | return; |
bart | 0268dfa | 2008-03-11 20:10:21 +0000 | [diff] [blame] | 219 | |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 220 | if (drd_trace_mem || (addr == drd_trace_address)) |
| 221 | { |
| 222 | drd_trace_mem_access(addr, size, eLoad); |
| 223 | } |
| 224 | sg = running_thread_get_segment(); |
| 225 | bm_access_range_load(sg->bm, addr, addr + size); |
bart | 7a28214 | 2008-03-15 08:34:23 +0000 | [diff] [blame] | 226 | if (bm_load_has_conflict_with(thread_get_danger_set(), addr, addr + size)) |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 227 | { |
| 228 | drd_report_race(addr, size, eLoad); |
| 229 | } |
bart | a79df6e | 2008-03-14 17:07:51 +0000 | [diff] [blame] | 230 | } |
| 231 | |
| 232 | static VG_REGPARM(1) void drd_trace_load_1(Addr addr) |
| 233 | { |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 234 | Segment* sg; |
bart | a79df6e | 2008-03-14 17:07:51 +0000 | [diff] [blame] | 235 | |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 236 | if (! running_thread_is_recording()) |
| 237 | return; |
bart | a79df6e | 2008-03-14 17:07:51 +0000 | [diff] [blame] | 238 | |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 239 | if (drd_trace_mem || (addr == drd_trace_address)) |
| 240 | { |
| 241 | drd_trace_mem_access(addr, 1, eLoad); |
| 242 | } |
| 243 | sg = running_thread_get_segment(); |
| 244 | bm_access_load_1(sg->bm, addr); |
bart | 7a28214 | 2008-03-15 08:34:23 +0000 | [diff] [blame] | 245 | if (bm_load_1_has_conflict_with(thread_get_danger_set(), addr)) |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 246 | { |
| 247 | drd_report_race(addr, 1, eLoad); |
| 248 | } |
bart | a79df6e | 2008-03-14 17:07:51 +0000 | [diff] [blame] | 249 | } |
| 250 | |
| 251 | static VG_REGPARM(1) void drd_trace_load_2(Addr addr) |
| 252 | { |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 253 | Segment* sg; |
bart | a79df6e | 2008-03-14 17:07:51 +0000 | [diff] [blame] | 254 | |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 255 | if (! running_thread_is_recording()) |
| 256 | return; |
bart | a79df6e | 2008-03-14 17:07:51 +0000 | [diff] [blame] | 257 | |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 258 | if (drd_trace_mem || (addr == drd_trace_address)) |
| 259 | { |
| 260 | drd_trace_mem_access(addr, 2, eLoad); |
| 261 | } |
| 262 | sg = running_thread_get_segment(); |
| 263 | bm_access_load_2(sg->bm, addr); |
bart | 7a28214 | 2008-03-15 08:34:23 +0000 | [diff] [blame] | 264 | if (bm_load_2_has_conflict_with(thread_get_danger_set(), addr)) |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 265 | { |
| 266 | drd_report_race(addr, 2, eLoad); |
| 267 | } |
bart | a79df6e | 2008-03-14 17:07:51 +0000 | [diff] [blame] | 268 | } |
| 269 | |
| 270 | static VG_REGPARM(1) void drd_trace_load_4(Addr addr) |
| 271 | { |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 272 | Segment* sg; |
bart | a79df6e | 2008-03-14 17:07:51 +0000 | [diff] [blame] | 273 | |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 274 | if (! running_thread_is_recording()) |
| 275 | return; |
bart | a79df6e | 2008-03-14 17:07:51 +0000 | [diff] [blame] | 276 | |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 277 | if (drd_trace_mem || (addr == drd_trace_address)) |
| 278 | { |
| 279 | drd_trace_mem_access(addr, 4, eLoad); |
| 280 | } |
| 281 | sg = running_thread_get_segment(); |
| 282 | bm_access_load_4(sg->bm, addr); |
bart | 7a28214 | 2008-03-15 08:34:23 +0000 | [diff] [blame] | 283 | if (bm_load_4_has_conflict_with(thread_get_danger_set(), addr)) |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 284 | { |
| 285 | drd_report_race(addr, 4, eLoad); |
| 286 | } |
bart | a79df6e | 2008-03-14 17:07:51 +0000 | [diff] [blame] | 287 | } |
| 288 | |
| 289 | static VG_REGPARM(1) void drd_trace_load_8(Addr addr) |
| 290 | { |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 291 | Segment* sg; |
bart | a79df6e | 2008-03-14 17:07:51 +0000 | [diff] [blame] | 292 | |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 293 | if (! running_thread_is_recording()) |
| 294 | return; |
bart | a79df6e | 2008-03-14 17:07:51 +0000 | [diff] [blame] | 295 | |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 296 | if (drd_trace_mem || (addr == drd_trace_address)) |
| 297 | { |
| 298 | drd_trace_mem_access(addr, 8, eLoad); |
| 299 | } |
| 300 | sg = running_thread_get_segment(); |
| 301 | bm_access_load_8(sg->bm, addr); |
bart | 7a28214 | 2008-03-15 08:34:23 +0000 | [diff] [blame] | 302 | if (bm_load_8_has_conflict_with(thread_get_danger_set(), addr)) |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 303 | { |
| 304 | drd_report_race(addr, 8, eLoad); |
| 305 | } |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 306 | } |
| 307 | |
| 308 | static |
| 309 | VG_REGPARM(2) void drd_trace_store(Addr addr, SizeT size) |
| 310 | { |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 311 | Segment* sg; |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 312 | |
bart | f00a85b | 2008-03-13 18:49:23 +0000 | [diff] [blame] | 313 | #if 0 |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 314 | /* The assert below has been commented out because of performance reasons.*/ |
| 315 | tl_assert(thread_get_running_tid() |
| 316 | == VgThreadIdToDrdThreadId(VG_(get_running_tid()))); |
bart | f00a85b | 2008-03-13 18:49:23 +0000 | [diff] [blame] | 317 | #endif |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 318 | |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 319 | if (! running_thread_is_recording()) |
| 320 | return; |
bart | 0268dfa | 2008-03-11 20:10:21 +0000 | [diff] [blame] | 321 | |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 322 | if (drd_trace_mem || (addr == drd_trace_address)) |
| 323 | { |
| 324 | drd_trace_mem_access(addr, size, eStore); |
| 325 | } |
| 326 | sg = running_thread_get_segment(); |
| 327 | bm_access_range_store(sg->bm, addr, addr + size); |
bart | 7a28214 | 2008-03-15 08:34:23 +0000 | [diff] [blame] | 328 | if (bm_store_has_conflict_with(thread_get_danger_set(), addr, addr + size)) |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 329 | { |
| 330 | drd_report_race(addr, size, eStore); |
| 331 | } |
bart | a79df6e | 2008-03-14 17:07:51 +0000 | [diff] [blame] | 332 | } |
| 333 | |
| 334 | static VG_REGPARM(1) void drd_trace_store_1(Addr addr) |
| 335 | { |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 336 | Segment* sg; |
bart | a79df6e | 2008-03-14 17:07:51 +0000 | [diff] [blame] | 337 | |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 338 | if (! running_thread_is_recording()) |
| 339 | return; |
bart | a79df6e | 2008-03-14 17:07:51 +0000 | [diff] [blame] | 340 | |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 341 | if (drd_trace_mem || (addr == drd_trace_address)) |
| 342 | { |
| 343 | drd_trace_mem_access(addr, 1, eStore); |
| 344 | } |
| 345 | sg = running_thread_get_segment(); |
| 346 | bm_access_store_1(sg->bm, addr); |
bart | 7a28214 | 2008-03-15 08:34:23 +0000 | [diff] [blame] | 347 | if (bm_store_1_has_conflict_with(thread_get_danger_set(), addr)) |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 348 | { |
| 349 | drd_report_race(addr, 1, eStore); |
| 350 | } |
bart | a79df6e | 2008-03-14 17:07:51 +0000 | [diff] [blame] | 351 | } |
| 352 | |
| 353 | static VG_REGPARM(1) void drd_trace_store_2(Addr addr) |
| 354 | { |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 355 | Segment* sg; |
bart | a79df6e | 2008-03-14 17:07:51 +0000 | [diff] [blame] | 356 | |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 357 | if (! running_thread_is_recording()) |
| 358 | return; |
bart | a79df6e | 2008-03-14 17:07:51 +0000 | [diff] [blame] | 359 | |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 360 | if (drd_trace_mem || (addr == drd_trace_address)) |
| 361 | { |
| 362 | drd_trace_mem_access(addr, 2, eStore); |
| 363 | } |
| 364 | sg = running_thread_get_segment(); |
| 365 | bm_access_store_2(sg->bm, addr); |
bart | 7a28214 | 2008-03-15 08:34:23 +0000 | [diff] [blame] | 366 | if (bm_store_2_has_conflict_with(thread_get_danger_set(), addr)) |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 367 | { |
| 368 | drd_report_race(addr, 2, eStore); |
| 369 | } |
bart | a79df6e | 2008-03-14 17:07:51 +0000 | [diff] [blame] | 370 | } |
| 371 | |
| 372 | static VG_REGPARM(1) void drd_trace_store_4(Addr addr) |
| 373 | { |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 374 | Segment* sg; |
bart | a79df6e | 2008-03-14 17:07:51 +0000 | [diff] [blame] | 375 | |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 376 | if (! running_thread_is_recording()) |
| 377 | return; |
bart | a79df6e | 2008-03-14 17:07:51 +0000 | [diff] [blame] | 378 | |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 379 | if (drd_trace_mem || (addr == drd_trace_address)) |
| 380 | { |
| 381 | drd_trace_mem_access(addr, 4, eStore); |
| 382 | } |
| 383 | sg = running_thread_get_segment(); |
| 384 | bm_access_store_4(sg->bm, addr); |
bart | 7a28214 | 2008-03-15 08:34:23 +0000 | [diff] [blame] | 385 | if (bm_store_4_has_conflict_with(thread_get_danger_set(), addr)) |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 386 | { |
| 387 | drd_report_race(addr, 4, eStore); |
| 388 | } |
bart | a79df6e | 2008-03-14 17:07:51 +0000 | [diff] [blame] | 389 | } |
| 390 | |
| 391 | static VG_REGPARM(1) void drd_trace_store_8(Addr addr) |
| 392 | { |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 393 | Segment* sg; |
bart | a79df6e | 2008-03-14 17:07:51 +0000 | [diff] [blame] | 394 | |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 395 | if (! running_thread_is_recording()) |
| 396 | return; |
bart | a79df6e | 2008-03-14 17:07:51 +0000 | [diff] [blame] | 397 | |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 398 | if (drd_trace_mem || (addr == drd_trace_address)) |
| 399 | { |
| 400 | drd_trace_mem_access(addr, 8, eStore); |
| 401 | } |
| 402 | sg = running_thread_get_segment(); |
| 403 | bm_access_store_8(sg->bm, addr); |
bart | 7a28214 | 2008-03-15 08:34:23 +0000 | [diff] [blame] | 404 | if (bm_store_8_has_conflict_with(thread_get_danger_set(), addr)) |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 405 | { |
| 406 | drd_report_race(addr, 8, eStore); |
| 407 | } |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 408 | } |
| 409 | |
| 410 | static void drd_pre_mem_read(const CorePart part, |
| 411 | const ThreadId tid, |
| 412 | Char* const s, |
| 413 | const Addr a, |
| 414 | const SizeT size) |
| 415 | { |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 416 | if (size > 0) |
| 417 | { |
| 418 | drd_trace_load(a, size); |
| 419 | } |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 420 | } |
| 421 | |
bart | 5e85d26 | 2008-03-01 10:49:37 +0000 | [diff] [blame] | 422 | static void drd_pre_mem_read_asciiz(const CorePart part, |
| 423 | const ThreadId tid, |
| 424 | Char* const s, |
| 425 | const Addr a) |
| 426 | { |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 427 | const char* p = (void*)a; |
| 428 | SizeT size = 0; |
bart | 5e85d26 | 2008-03-01 10:49:37 +0000 | [diff] [blame] | 429 | |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 430 | /* Note: the expression '*p' reads client memory and may crash if the */ |
| 431 | /* client provided an invalid pointer ! */ |
| 432 | while (*p) |
| 433 | { |
| 434 | p++; |
| 435 | size++; |
| 436 | } |
| 437 | // To do: find out what a reasonable upper limit on 'size' is. |
| 438 | tl_assert(size < 4096); |
| 439 | if (size > 0) |
| 440 | { |
| 441 | drd_trace_load(a, size); |
| 442 | } |
bart | 5e85d26 | 2008-03-01 10:49:37 +0000 | [diff] [blame] | 443 | } |
| 444 | |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 445 | static void drd_post_mem_write(const CorePart part, |
| 446 | const ThreadId tid, |
| 447 | const Addr a, |
| 448 | const SizeT size) |
| 449 | { |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 450 | thread_set_vg_running_tid(VG_(get_running_tid)()); |
| 451 | if (size > 0) |
| 452 | { |
| 453 | drd_trace_store(a, size); |
| 454 | } |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 455 | } |
| 456 | |
bart | 5e85d26 | 2008-03-01 10:49:37 +0000 | [diff] [blame] | 457 | static void drd_start_using_mem(const Addr a1, const SizeT len) |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 458 | { |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 459 | const Addr a2 = a1 + len; |
bart | 5e85d26 | 2008-03-01 10:49:37 +0000 | [diff] [blame] | 460 | |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 461 | tl_assert(a1 < a2); |
bart | 5e85d26 | 2008-03-01 10:49:37 +0000 | [diff] [blame] | 462 | |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 463 | if (a1 <= drd_trace_address && drd_trace_address < a2) |
| 464 | { |
bart | d576591 | 2008-03-16 08:40:55 +0000 | [diff] [blame] | 465 | drd_trace_mem_access(a1, len, eStart); |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 466 | } |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 467 | } |
| 468 | |
bart | 5e85d26 | 2008-03-01 10:49:37 +0000 | [diff] [blame] | 469 | static void drd_stop_using_mem(const Addr a1, const SizeT len) |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 470 | { |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 471 | const Addr a2 = a1 + len; |
bart | 5e85d26 | 2008-03-01 10:49:37 +0000 | [diff] [blame] | 472 | |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 473 | tl_assert(a1 < a2); |
bart | 5e85d26 | 2008-03-01 10:49:37 +0000 | [diff] [blame] | 474 | |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 475 | if (a1 <= drd_trace_address && drd_trace_address < a2) |
| 476 | { |
bart | d43f8d3 | 2008-03-16 17:29:20 +0000 | [diff] [blame] | 477 | drd_trace_mem_access(a1, len, eEnd); |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 478 | } |
| 479 | thread_stop_using_mem(a1, a2); |
| 480 | clientobj_stop_using_mem(a1, a2); |
| 481 | drd_suppression_stop_using_mem(a1, a2); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 482 | } |
| 483 | |
bart | 5e85d26 | 2008-03-01 10:49:37 +0000 | [diff] [blame] | 484 | static |
| 485 | void drd_start_using_mem_w_perms(const Addr a, const SizeT len, |
| 486 | const Bool rr, const Bool ww, const Bool xx) |
| 487 | { |
bart | d576591 | 2008-03-16 08:40:55 +0000 | [diff] [blame] | 488 | thread_set_vg_running_tid(VG_(get_running_tid)()); |
| 489 | |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 490 | drd_start_using_mem(a, len); |
bart | 5e85d26 | 2008-03-01 10:49:37 +0000 | [diff] [blame] | 491 | } |
| 492 | |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 493 | /* Called by the core when the stack of a thread grows, to indicate that */ |
| 494 | /* the addresses in range [ a, a + len [ may now be used by the client. */ |
| 495 | /* Assumption: stacks grow downward. */ |
| 496 | static void drd_start_using_mem_stack(const Addr a, const SizeT len) |
| 497 | { |
bart | d43f8d3 | 2008-03-16 17:29:20 +0000 | [diff] [blame] | 498 | thread_set_stack_min(thread_get_running_tid(), a - VG_STACK_REDZONE_SZB); |
| 499 | drd_start_using_mem(a - VG_STACK_REDZONE_SZB, len + VG_STACK_REDZONE_SZB); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 500 | } |
| 501 | |
| 502 | /* Called by the core when the stack of a thread shrinks, to indicate that */ |
| 503 | /* the addresses [ a, a + len [ are no longer accessible for the client. */ |
| 504 | /* Assumption: stacks grow downward. */ |
| 505 | static void drd_stop_using_mem_stack(const Addr a, const SizeT len) |
| 506 | { |
bart | d43f8d3 | 2008-03-16 17:29:20 +0000 | [diff] [blame] | 507 | thread_set_stack_min(thread_get_running_tid(), |
| 508 | a + len - VG_STACK_REDZONE_SZB); |
| 509 | drd_stop_using_mem(a - VG_STACK_REDZONE_SZB, len + VG_STACK_REDZONE_SZB); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 510 | } |
| 511 | |
bart | 5e85d26 | 2008-03-01 10:49:37 +0000 | [diff] [blame] | 512 | static void drd_start_using_mem_stack_signal(const Addr a, const SizeT len) |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 513 | { |
bart | d576591 | 2008-03-16 08:40:55 +0000 | [diff] [blame] | 514 | thread_set_vg_running_tid(VG_(get_running_tid)()); |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 515 | drd_start_using_mem(a, len); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 516 | } |
| 517 | |
bart | 5e85d26 | 2008-03-01 10:49:37 +0000 | [diff] [blame] | 518 | static void drd_stop_using_mem_stack_signal(Addr a, SizeT len) |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 519 | { |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 520 | drd_stop_using_mem(a, len); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 521 | } |
| 522 | |
| 523 | static |
| 524 | void drd_pre_thread_create(const ThreadId creator, const ThreadId created) |
| 525 | { |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 526 | const DrdThreadId drd_creator = VgThreadIdToDrdThreadId(creator); |
| 527 | tl_assert(created != VG_INVALID_THREADID); |
| 528 | thread_pre_create(drd_creator, created); |
| 529 | if (IsValidDrdThreadId(drd_creator)) |
| 530 | { |
| 531 | thread_new_segment(drd_creator); |
| 532 | } |
| 533 | if (drd_trace_fork_join) |
| 534 | { |
| 535 | VG_(message)(Vg_DebugMsg, |
| 536 | "drd_pre_thread_create creator = %d/%d, created = %d", |
| 537 | creator, drd_creator, created); |
| 538 | } |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 539 | } |
| 540 | |
| 541 | /* Called by Valgrind's core before any loads or stores are performed on */ |
| 542 | /* the context of thread "created". At startup, this function is called */ |
| 543 | /* with arguments (0,1). */ |
| 544 | static |
| 545 | void drd_post_thread_create(const ThreadId created) |
| 546 | { |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 547 | const DrdThreadId drd_created = thread_post_create(created); |
| 548 | tl_assert(created != VG_INVALID_THREADID); |
| 549 | if (drd_trace_fork_join) |
| 550 | { |
| 551 | VG_(message)(Vg_DebugMsg, |
| 552 | "drd_post_thread_create created = %d/%d", |
| 553 | created, drd_created); |
| 554 | } |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 555 | } |
| 556 | |
| 557 | /* Process VG_USERREQ__POST_THREAD_JOIN. This client request is invoked just */ |
| 558 | /* after thread drd_joiner joined thread drd_joinee. */ |
| 559 | void drd_post_thread_join(DrdThreadId drd_joiner, DrdThreadId drd_joinee) |
| 560 | { |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 561 | tl_assert(IsValidDrdThreadId(drd_joiner)); |
| 562 | tl_assert(IsValidDrdThreadId(drd_joinee)); |
| 563 | thread_new_segment(drd_joinee); |
| 564 | thread_combine_vc(drd_joiner, drd_joinee); |
| 565 | thread_new_segment(drd_joiner); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 566 | |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 567 | if (drd_trace_fork_join) |
| 568 | { |
| 569 | char msg[256]; |
| 570 | const ThreadId joiner = DrdThreadIdToVgThreadId(drd_joiner); |
| 571 | const ThreadId joinee = DrdThreadIdToVgThreadId(drd_joinee); |
| 572 | VG_(snprintf)(msg, sizeof(msg), |
| 573 | "drd_post_thread_join joiner = %d/%d, joinee = %d/%d", |
| 574 | joiner, drd_joiner, joinee, drd_joinee); |
| 575 | if (joiner) |
| 576 | { |
| 577 | VG_(snprintf)(msg + VG_(strlen)(msg), sizeof(msg) - VG_(strlen)(msg), |
| 578 | ", new vc: "); |
| 579 | vc_snprint(msg + VG_(strlen)(msg), sizeof(msg) - VG_(strlen)(msg), |
| 580 | thread_get_vc(drd_joiner)); |
| 581 | } |
| 582 | VG_(message)(Vg_DebugMsg, msg); |
| 583 | } |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 584 | |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 585 | thread_delete(drd_joinee); |
| 586 | mutex_thread_delete(drd_joinee); |
| 587 | cond_thread_delete(drd_joinee); |
| 588 | semaphore_thread_delete(drd_joinee); |
| 589 | barrier_thread_delete(drd_joinee); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 590 | } |
| 591 | |
bart | 5bd9f2d | 2008-03-03 20:31:58 +0000 | [diff] [blame] | 592 | void drd_trace_addr(const Addr addr) |
| 593 | { |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 594 | drd_trace_address = addr; |
bart | 5bd9f2d | 2008-03-03 20:31:58 +0000 | [diff] [blame] | 595 | } |
| 596 | |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 597 | /* Called after a thread has performed its last memory access. */ |
bart | d43f8d3 | 2008-03-16 17:29:20 +0000 | [diff] [blame] | 598 | static void drd_thread_finished(ThreadId vg_tid) |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 599 | { |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 600 | DrdThreadId drd_tid; |
sewardj | 8564292 | 2008-01-14 11:54:56 +0000 | [diff] [blame] | 601 | |
bart | d43f8d3 | 2008-03-16 17:29:20 +0000 | [diff] [blame] | 602 | tl_assert(VG_(get_running_tid)() == vg_tid); |
sewardj | 8564292 | 2008-01-14 11:54:56 +0000 | [diff] [blame] | 603 | |
bart | d43f8d3 | 2008-03-16 17:29:20 +0000 | [diff] [blame] | 604 | drd_tid = VgThreadIdToDrdThreadId(vg_tid); |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 605 | if (drd_trace_fork_join) |
| 606 | { |
| 607 | VG_(message)(Vg_DebugMsg, |
| 608 | "drd_thread_finished tid = %d/%d%s", |
bart | d43f8d3 | 2008-03-16 17:29:20 +0000 | [diff] [blame] | 609 | vg_tid, |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 610 | drd_tid, |
| 611 | thread_get_joinable(drd_tid) |
| 612 | ? "" |
| 613 | : " (which is a detached thread)"); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 614 | |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 615 | } |
bart | d43f8d3 | 2008-03-16 17:29:20 +0000 | [diff] [blame] | 616 | drd_stop_using_mem(thread_get_stack_min(drd_tid), |
| 617 | thread_get_stack_max(drd_tid) |
| 618 | - thread_get_stack_min(drd_tid)); |
| 619 | thread_stop_recording(drd_tid); |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 620 | thread_finished(drd_tid); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 621 | } |
| 622 | |
bart | 0268dfa | 2008-03-11 20:10:21 +0000 | [diff] [blame] | 623 | void drd_pre_mutex_init(const Addr mutex, const MutexT mutex_type) |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 624 | { |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 625 | mutex_init(mutex, mutex_type); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 626 | } |
| 627 | |
sewardj | 347eeba | 2008-01-21 14:19:07 +0000 | [diff] [blame] | 628 | void drd_post_mutex_destroy(const Addr mutex, const MutexT mutex_type) |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 629 | { |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 630 | mutex_post_destroy(mutex); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 631 | } |
| 632 | |
bart | 2e3a3c1 | 2008-03-24 08:33:47 +0000 | [diff] [blame] | 633 | void drd_pre_mutex_lock(const Addr mutex, const MutexT mutex_type, |
| 634 | const Bool trylock) |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 635 | { |
bart | 2e3a3c1 | 2008-03-24 08:33:47 +0000 | [diff] [blame] | 636 | mutex_pre_lock(mutex, mutex_type, trylock); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 637 | } |
| 638 | |
bart | 0034464 | 2008-03-01 15:27:41 +0000 | [diff] [blame] | 639 | void drd_post_mutex_lock(const Addr mutex, const Bool took_lock) |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 640 | { |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 641 | mutex_post_lock(mutex, took_lock); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 642 | } |
| 643 | |
bart | 0034464 | 2008-03-01 15:27:41 +0000 | [diff] [blame] | 644 | void drd_pre_mutex_unlock(const Addr mutex, const MutexT mutex_type) |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 645 | { |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 646 | mutex_unlock(mutex, mutex_type); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 647 | } |
| 648 | |
bart | 0268dfa | 2008-03-11 20:10:21 +0000 | [diff] [blame] | 649 | void drd_pre_cond_init(Addr cond) |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 650 | { |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 651 | cond_pre_init(cond); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 652 | } |
| 653 | |
bart | 72b751c | 2008-03-01 13:44:24 +0000 | [diff] [blame] | 654 | void drd_post_cond_destroy(Addr cond) |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 655 | { |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 656 | cond_post_destroy(cond); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 657 | } |
| 658 | |
bart | 0268dfa | 2008-03-11 20:10:21 +0000 | [diff] [blame] | 659 | void drd_semaphore_init(const Addr semaphore, |
sewardj | 8564292 | 2008-01-14 11:54:56 +0000 | [diff] [blame] | 660 | const Word pshared, const Word value) |
| 661 | { |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 662 | semaphore_init(semaphore, pshared, value); |
sewardj | 8564292 | 2008-01-14 11:54:56 +0000 | [diff] [blame] | 663 | } |
| 664 | |
| 665 | void drd_semaphore_destroy(const Addr semaphore) |
| 666 | { |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 667 | semaphore_destroy(semaphore); |
sewardj | 8564292 | 2008-01-14 11:54:56 +0000 | [diff] [blame] | 668 | } |
| 669 | |
bart | 0268dfa | 2008-03-11 20:10:21 +0000 | [diff] [blame] | 670 | void drd_semaphore_pre_wait(const DrdThreadId tid, const Addr semaphore) |
sewardj | 8564292 | 2008-01-14 11:54:56 +0000 | [diff] [blame] | 671 | { |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 672 | semaphore_pre_wait(semaphore); |
bart | 28230a3 | 2008-02-29 17:27:03 +0000 | [diff] [blame] | 673 | } |
| 674 | |
| 675 | void drd_semaphore_post_wait(const DrdThreadId tid, const Addr semaphore, |
| 676 | const Bool waited) |
| 677 | { |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 678 | semaphore_post_wait(tid, semaphore, waited); |
sewardj | 8564292 | 2008-01-14 11:54:56 +0000 | [diff] [blame] | 679 | } |
| 680 | |
bart | 0268dfa | 2008-03-11 20:10:21 +0000 | [diff] [blame] | 681 | void drd_semaphore_pre_post(const DrdThreadId tid, const Addr semaphore) |
sewardj | 8564292 | 2008-01-14 11:54:56 +0000 | [diff] [blame] | 682 | { |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 683 | semaphore_pre_post(tid, semaphore); |
sewardj | 8564292 | 2008-01-14 11:54:56 +0000 | [diff] [blame] | 684 | } |
| 685 | |
| 686 | void drd_semaphore_post_post(const DrdThreadId tid, const Addr semaphore, |
bart | 0268dfa | 2008-03-11 20:10:21 +0000 | [diff] [blame] | 687 | const Bool waited) |
sewardj | 8564292 | 2008-01-14 11:54:56 +0000 | [diff] [blame] | 688 | { |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 689 | semaphore_post_post(tid, semaphore, waited); |
sewardj | 8564292 | 2008-01-14 11:54:56 +0000 | [diff] [blame] | 690 | } |
| 691 | |
| 692 | |
bart | 0268dfa | 2008-03-11 20:10:21 +0000 | [diff] [blame] | 693 | void drd_barrier_init(const Addr barrier, |
| 694 | const BarrierT barrier_type, const Word count, |
| 695 | const Bool reinitialization) |
sewardj | 8564292 | 2008-01-14 11:54:56 +0000 | [diff] [blame] | 696 | { |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 697 | barrier_init(barrier, barrier_type, count, reinitialization); |
sewardj | 8564292 | 2008-01-14 11:54:56 +0000 | [diff] [blame] | 698 | } |
| 699 | |
bart | 0268dfa | 2008-03-11 20:10:21 +0000 | [diff] [blame] | 700 | void drd_barrier_destroy(const Addr barrier, const BarrierT barrier_type) |
sewardj | 8564292 | 2008-01-14 11:54:56 +0000 | [diff] [blame] | 701 | { |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 702 | barrier_destroy(barrier, barrier_type); |
sewardj | 8564292 | 2008-01-14 11:54:56 +0000 | [diff] [blame] | 703 | } |
| 704 | |
bart | 0268dfa | 2008-03-11 20:10:21 +0000 | [diff] [blame] | 705 | void drd_barrier_pre_wait(const DrdThreadId tid, const Addr barrier, |
| 706 | const BarrierT barrier_type) |
sewardj | 8564292 | 2008-01-14 11:54:56 +0000 | [diff] [blame] | 707 | { |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 708 | barrier_pre_wait(tid, barrier, barrier_type); |
sewardj | 8564292 | 2008-01-14 11:54:56 +0000 | [diff] [blame] | 709 | } |
| 710 | |
| 711 | void drd_barrier_post_wait(const DrdThreadId tid, const Addr barrier, |
bart | 0268dfa | 2008-03-11 20:10:21 +0000 | [diff] [blame] | 712 | const BarrierT barrier_type, const Bool waited) |
sewardj | 8564292 | 2008-01-14 11:54:56 +0000 | [diff] [blame] | 713 | { |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 714 | barrier_post_wait(tid, barrier, barrier_type, waited); |
sewardj | 8564292 | 2008-01-14 11:54:56 +0000 | [diff] [blame] | 715 | } |
| 716 | |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 717 | |
| 718 | // |
| 719 | // Implementation of the tool interface. |
| 720 | // |
| 721 | |
| 722 | static |
| 723 | void drd_post_clo_init(void) |
sewardj | dcbb8d3 | 2007-11-26 21:34:30 +0000 | [diff] [blame] | 724 | { |
| 725 | # if defined(VGP_x86_linux) || defined(VGP_amd64_linux) |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 726 | /* fine */ |
sewardj | dcbb8d3 | 2007-11-26 21:34:30 +0000 | [diff] [blame] | 727 | # else |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 728 | VG_(printf)("\nWARNING: DRD has only been tested on x86-linux and amd64-linux.\n\n"); |
sewardj | dcbb8d3 | 2007-11-26 21:34:30 +0000 | [diff] [blame] | 729 | # endif |
| 730 | } |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 731 | |
bart | a79df6e | 2008-03-14 17:07:51 +0000 | [diff] [blame] | 732 | static void instrument_load(IRSB* const bb, |
| 733 | IRExpr* const addr_expr, |
| 734 | const HWord size) |
| 735 | { |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 736 | IRExpr* size_expr; |
| 737 | IRExpr** argv; |
| 738 | IRDirty* di; |
bart | a79df6e | 2008-03-14 17:07:51 +0000 | [diff] [blame] | 739 | |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 740 | switch (size) |
| 741 | { |
| 742 | case 1: |
| 743 | argv = mkIRExprVec_1(addr_expr); |
| 744 | di = unsafeIRDirty_0_N(/*regparms*/1, |
| 745 | "drd_trace_load_1", |
| 746 | VG_(fnptr_to_fnentry)(drd_trace_load_1), |
| 747 | argv); |
| 748 | break; |
| 749 | case 2: |
| 750 | argv = mkIRExprVec_1(addr_expr); |
| 751 | di = unsafeIRDirty_0_N(/*regparms*/1, |
| 752 | "drd_trace_load_2", |
| 753 | VG_(fnptr_to_fnentry)(drd_trace_load_2), |
| 754 | argv); |
| 755 | break; |
| 756 | case 4: |
| 757 | argv = mkIRExprVec_1(addr_expr); |
| 758 | di = unsafeIRDirty_0_N(/*regparms*/1, |
| 759 | "drd_trace_load_4", |
| 760 | VG_(fnptr_to_fnentry)(drd_trace_load_4), |
| 761 | argv); |
| 762 | break; |
| 763 | case 8: |
| 764 | argv = mkIRExprVec_1(addr_expr); |
| 765 | di = unsafeIRDirty_0_N(/*regparms*/1, |
| 766 | "drd_trace_load_8", |
| 767 | VG_(fnptr_to_fnentry)(drd_trace_load_8), |
| 768 | argv); |
| 769 | break; |
| 770 | default: |
| 771 | size_expr = mkIRExpr_HWord(size); |
| 772 | argv = mkIRExprVec_2(addr_expr, size_expr); |
| 773 | di = unsafeIRDirty_0_N(/*regparms*/2, |
| 774 | "drd_trace_load", |
| 775 | VG_(fnptr_to_fnentry)(drd_trace_load), |
| 776 | argv); |
| 777 | break; |
| 778 | } |
| 779 | addStmtToIRSB(bb, IRStmt_Dirty(di)); |
bart | a79df6e | 2008-03-14 17:07:51 +0000 | [diff] [blame] | 780 | } |
| 781 | |
| 782 | static void instrument_store(IRSB* const bb, |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 783 | IRExpr* const addr_expr, |
| 784 | const HWord size) |
bart | a79df6e | 2008-03-14 17:07:51 +0000 | [diff] [blame] | 785 | { |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 786 | IRExpr* size_expr; |
| 787 | IRExpr** argv; |
| 788 | IRDirty* di; |
bart | a79df6e | 2008-03-14 17:07:51 +0000 | [diff] [blame] | 789 | |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 790 | switch (size) |
| 791 | { |
| 792 | case 1: |
| 793 | argv = mkIRExprVec_1(addr_expr); |
| 794 | di = unsafeIRDirty_0_N(/*regparms*/1, |
| 795 | "drd_trace_store_1", |
| 796 | VG_(fnptr_to_fnentry)(drd_trace_store_1), |
| 797 | argv); |
| 798 | break; |
| 799 | case 2: |
| 800 | argv = mkIRExprVec_1(addr_expr); |
| 801 | di = unsafeIRDirty_0_N(/*regparms*/1, |
| 802 | "drd_trace_store_2", |
| 803 | VG_(fnptr_to_fnentry)(drd_trace_store_2), |
| 804 | argv); |
| 805 | break; |
| 806 | case 4: |
| 807 | argv = mkIRExprVec_1(addr_expr); |
| 808 | di = unsafeIRDirty_0_N(/*regparms*/1, |
| 809 | "drd_trace_store_4", |
| 810 | VG_(fnptr_to_fnentry)(drd_trace_store_4), |
| 811 | argv); |
| 812 | break; |
| 813 | case 8: |
| 814 | argv = mkIRExprVec_1(addr_expr); |
| 815 | di = unsafeIRDirty_0_N(/*regparms*/1, |
| 816 | "drd_trace_store_8", |
| 817 | VG_(fnptr_to_fnentry)(drd_trace_store_8), |
| 818 | argv); |
| 819 | break; |
| 820 | default: |
| 821 | size_expr = mkIRExpr_HWord(size); |
| 822 | argv = mkIRExprVec_2(addr_expr, size_expr); |
| 823 | di = unsafeIRDirty_0_N(/*regparms*/2, |
| 824 | "drd_trace_store", |
| 825 | VG_(fnptr_to_fnentry)(drd_trace_store), |
| 826 | argv); |
| 827 | break; |
| 828 | } |
| 829 | addStmtToIRSB(bb, IRStmt_Dirty(di)); |
bart | a79df6e | 2008-03-14 17:07:51 +0000 | [diff] [blame] | 830 | } |
| 831 | |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 832 | static |
| 833 | IRSB* drd_instrument(VgCallbackClosure* const closure, |
sewardj | 347eeba | 2008-01-21 14:19:07 +0000 | [diff] [blame] | 834 | IRSB* const bb_in, |
| 835 | VexGuestLayout* const layout, |
| 836 | VexGuestExtents* const vge, |
| 837 | IRType const gWordTy, |
| 838 | IRType const hWordTy) |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 839 | { |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 840 | IRDirty* di; |
| 841 | Int i; |
| 842 | IRSB* bb; |
| 843 | IRExpr** argv; |
| 844 | Bool instrument = True; |
| 845 | Bool bus_locked = False; |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 846 | |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 847 | /* Set up BB */ |
| 848 | bb = emptyIRSB(); |
| 849 | bb->tyenv = deepCopyIRTypeEnv(bb_in->tyenv); |
| 850 | bb->next = deepCopyIRExpr(bb_in->next); |
| 851 | bb->jumpkind = bb_in->jumpkind; |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 852 | |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 853 | for (i = 0; i < bb_in->stmts_used; i++) |
| 854 | { |
| 855 | IRStmt* const st = bb_in->stmts[i]; |
| 856 | tl_assert(st); |
| 857 | if (st->tag == Ist_NoOp) |
| 858 | continue; |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 859 | |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 860 | switch (st->tag) |
| 861 | { |
| 862 | case Ist_IMark: |
| 863 | instrument = VG_(seginfo_sect_kind)(NULL, 0, st->Ist.IMark.addr) |
| 864 | != Vg_SectPLT; |
| 865 | break; |
| 866 | |
| 867 | case Ist_MBE: |
| 868 | switch (st->Ist.MBE.event) |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 869 | { |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 870 | case Imbe_Fence: |
| 871 | break; /* not interesting */ |
| 872 | case Imbe_BusLock: |
| 873 | tl_assert(! bus_locked); |
| 874 | bus_locked = True; |
| 875 | break; |
| 876 | case Imbe_BusUnlock: |
| 877 | tl_assert(bus_locked); |
| 878 | bus_locked = False; |
| 879 | break; |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 880 | default: |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 881 | tl_assert(0); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 882 | } |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 883 | addStmtToIRSB(bb, st); |
| 884 | break; |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 885 | |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 886 | case Ist_Store: |
| 887 | if (instrument && ! bus_locked) |
| 888 | { |
| 889 | instrument_store(bb, |
| 890 | st->Ist.Store.addr, |
| 891 | sizeofIRType(typeOfIRExpr(bb->tyenv, |
| 892 | st->Ist.Store.data))); |
| 893 | } |
| 894 | addStmtToIRSB(bb, st); |
| 895 | break; |
bart | a47b351 | 2008-03-07 17:22:26 +0000 | [diff] [blame] | 896 | |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 897 | case Ist_WrTmp: |
| 898 | if (instrument) |
| 899 | { |
| 900 | const IRExpr* const data = st->Ist.WrTmp.data; |
| 901 | if (data->tag == Iex_Load) |
| 902 | { |
| 903 | instrument_load(bb, |
| 904 | data->Iex.Load.addr, |
| 905 | sizeofIRType(data->Iex.Load.ty)); |
| 906 | } |
| 907 | } |
| 908 | addStmtToIRSB(bb, st); |
| 909 | break; |
| 910 | |
| 911 | case Ist_Dirty: |
| 912 | if (instrument) |
| 913 | { |
| 914 | IRDirty* d = st->Ist.Dirty.details; |
| 915 | IREffect const mFx = d->mFx; |
| 916 | switch (mFx) { |
| 917 | case Ifx_None: |
| 918 | break; |
| 919 | case Ifx_Read: |
| 920 | case Ifx_Write: |
| 921 | case Ifx_Modify: |
| 922 | tl_assert(d->mAddr); |
| 923 | tl_assert(d->mSize > 0); |
| 924 | argv = mkIRExprVec_2(d->mAddr, mkIRExpr_HWord(d->mSize)); |
| 925 | if (mFx == Ifx_Read || mFx == Ifx_Modify) { |
| 926 | di = unsafeIRDirty_0_N( |
| 927 | /*regparms*/2, |
| 928 | "drd_trace_load", |
| 929 | VG_(fnptr_to_fnentry)(drd_trace_load), |
| 930 | argv); |
| 931 | addStmtToIRSB(bb, IRStmt_Dirty(di)); |
| 932 | } |
| 933 | if ((mFx == Ifx_Write || mFx == Ifx_Modify) |
| 934 | && ! bus_locked) |
| 935 | { |
| 936 | di = unsafeIRDirty_0_N( |
| 937 | /*regparms*/2, |
| 938 | "drd_trace_store", |
| 939 | VG_(fnptr_to_fnentry)(drd_trace_store), |
| 940 | argv); |
| 941 | addStmtToIRSB(bb, IRStmt_Dirty(di)); |
| 942 | } |
| 943 | break; |
| 944 | default: |
| 945 | tl_assert(0); |
| 946 | } |
| 947 | } |
| 948 | addStmtToIRSB(bb, st); |
| 949 | break; |
| 950 | |
| 951 | default: |
| 952 | addStmtToIRSB(bb, st); |
| 953 | break; |
| 954 | } |
| 955 | } |
| 956 | |
| 957 | tl_assert(! bus_locked); |
| 958 | |
| 959 | return bb; |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 960 | } |
| 961 | |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 962 | static void drd_start_client_code(const ThreadId tid, const ULong bbs_done) |
| 963 | { |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 964 | tl_assert(tid == VG_(get_running_tid)()); |
| 965 | thread_set_vg_running_tid(tid); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 966 | } |
| 967 | |
| 968 | static |
| 969 | void drd_fini(Int exitcode) |
| 970 | { |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 971 | // thread_print_all(); |
| 972 | if (VG_(clo_verbosity) > 1 || drd_print_stats) |
| 973 | { |
| 974 | VG_(message)(Vg_DebugMsg, |
| 975 | " thread: %lld context switches" |
| 976 | " / %lld updates of the danger set", |
| 977 | thread_get_context_switch_count(), |
| 978 | thread_get_update_danger_set_count()); |
| 979 | VG_(message)(Vg_DebugMsg, |
| 980 | " segments: %lld total, %lld max, %lld discard points", |
bart | 7102f10 | 2008-03-17 17:37:53 +0000 | [diff] [blame] | 981 | sg_get_created_segments_count(), |
| 982 | sg_get_max_alive_segments_count(), |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 983 | thread_get_discard_ordered_segments_count()); |
| 984 | VG_(message)(Vg_DebugMsg, |
| 985 | " bitmaps: %lld / %lld bitmaps were allocated" |
| 986 | " and %lld / %lld for danger set updates", |
| 987 | bm_get_bitmap_creation_count(), |
| 988 | bm_get_bitmap2_creation_count(), |
| 989 | thread_get_danger_set_bitmap_creation_count(), |
| 990 | thread_get_danger_set_bitmap2_creation_count()); |
| 991 | VG_(message)(Vg_DebugMsg, |
| 992 | " mutex: %lld non-recursive lock/unlock events", |
| 993 | get_mutex_lock_count()); |
| 994 | drd_print_malloc_stats(); |
| 995 | } |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 996 | } |
| 997 | |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 998 | static |
| 999 | void drd_pre_clo_init(void) |
| 1000 | { |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 1001 | // Basic tool stuff. |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 1002 | |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 1003 | VG_(details_name) ("exp-drd"); |
| 1004 | VG_(details_version) (NULL); |
| 1005 | VG_(details_description) ("a data race detector"); |
| 1006 | VG_(details_copyright_author)("Copyright (C) 2006-2008, and GNU GPL'd," |
| 1007 | " by Bart Van Assche."); |
| 1008 | VG_(details_bug_reports_to) (VG_BUGS_TO); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 1009 | |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 1010 | VG_(basic_tool_funcs) (drd_post_clo_init, |
| 1011 | drd_instrument, |
| 1012 | drd_fini); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 1013 | |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 1014 | // Command line stuff. |
| 1015 | VG_(needs_command_line_options)(drd_process_cmd_line_option, |
| 1016 | drd_print_usage, |
| 1017 | drd_print_debug_usage); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 1018 | |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 1019 | // Error handling. |
| 1020 | drd_register_error_handlers(); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 1021 | |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 1022 | // Core event tracking. |
| 1023 | VG_(track_pre_mem_read) (drd_pre_mem_read); |
| 1024 | VG_(track_pre_mem_read_asciiz) (drd_pre_mem_read_asciiz); |
| 1025 | VG_(track_post_mem_write) (drd_post_mem_write); |
| 1026 | VG_(track_new_mem_brk) (drd_start_using_mem); |
| 1027 | VG_(track_new_mem_mmap) (drd_start_using_mem_w_perms); |
| 1028 | VG_(track_new_mem_stack) (drd_start_using_mem_stack); |
| 1029 | VG_(track_new_mem_stack_signal) (drd_start_using_mem_stack_signal); |
| 1030 | VG_(track_new_mem_startup) (drd_start_using_mem_w_perms); |
| 1031 | VG_(track_die_mem_brk) (drd_stop_using_mem); |
| 1032 | VG_(track_die_mem_munmap) (drd_stop_using_mem); |
| 1033 | VG_(track_die_mem_stack) (drd_stop_using_mem_stack); |
| 1034 | VG_(track_die_mem_stack_signal) (drd_stop_using_mem_stack_signal); |
| 1035 | VG_(track_start_client_code) (drd_start_client_code); |
| 1036 | VG_(track_pre_thread_ll_create) (drd_pre_thread_create); |
| 1037 | VG_(track_pre_thread_first_insn)(drd_post_thread_create); |
| 1038 | VG_(track_pre_thread_ll_exit) (drd_thread_finished); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 1039 | |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 1040 | // Other stuff. |
| 1041 | VG_(needs_var_info)(); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 1042 | |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 1043 | drd_register_malloc_wrappers(drd_start_using_mem, drd_stop_using_mem); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 1044 | |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 1045 | drd_clientreq_init(); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 1046 | |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 1047 | drd_suppression_init(); |
bart | 4bb53d8 | 2008-02-28 19:06:34 +0000 | [diff] [blame] | 1048 | |
bart | 3772a98 | 2008-03-15 08:11:03 +0000 | [diff] [blame] | 1049 | clientobj_init(); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 1050 | } |
| 1051 | |
| 1052 | |
| 1053 | VG_DETERMINE_INTERFACE_VERSION(drd_pre_clo_init) |