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" |
| 33 | #include "drd_segment.h" |
sewardj | 8564292 | 2008-01-14 11:54:56 +0000 | [diff] [blame] | 34 | #include "drd_semaphore.h" |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 35 | #include "drd_suppression.h" |
| 36 | #include "drd_thread.h" |
| 37 | #include "drd_track.h" |
| 38 | #include "drd_vc.h" |
sewardj | 721ad7b | 2007-11-30 08:30:29 +0000 | [diff] [blame] | 39 | #include "priv_drd_clientreq.h" |
sewardj | 8564292 | 2008-01-14 11:54:56 +0000 | [diff] [blame] | 40 | #include "pub_drd_bitmap.h" |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 41 | #include "pub_tool_basics.h" |
| 42 | #include "pub_tool_debuginfo.h" // VG_(describe_IP)() |
| 43 | #include "pub_tool_libcassert.h" // tl_assert() |
| 44 | #include "pub_tool_libcbase.h" // VG_(strcmp) |
| 45 | #include "pub_tool_libcprint.h" // VG_(printf) |
sewardj | 8564292 | 2008-01-14 11:54:56 +0000 | [diff] [blame] | 46 | #include "pub_tool_vki.h" // Must be included before pub_tool_libcproc |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 47 | #include "pub_tool_libcproc.h" |
| 48 | #include "pub_tool_machine.h" |
| 49 | #include "pub_tool_options.h" // command line options |
| 50 | #include "pub_tool_threadstate.h" // VG_(get_running_tid) |
| 51 | #include "pub_tool_tooliface.h" |
| 52 | |
| 53 | |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 54 | // Function declarations. |
| 55 | |
bart | eb8b8c8 | 2008-02-26 19:11:20 +0000 | [diff] [blame] | 56 | static void instrument_memory_bus_event(IRSB* const bb, |
| 57 | const IRMBusEvent event); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 58 | static void drd_start_client_code(const ThreadId tid, const ULong bbs_done); |
| 59 | static void drd_set_running_tid(const ThreadId tid); |
bart | eb8b8c8 | 2008-02-26 19:11:20 +0000 | [diff] [blame] | 60 | static void evh__bus_lock(void); |
| 61 | static void evh__bus_unlock(void); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 62 | |
| 63 | |
| 64 | |
| 65 | // Local variables. |
| 66 | |
| 67 | static Bool drd_print_stats = False; |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 68 | static Bool drd_trace_fork_join = False; |
sewardj | 8564292 | 2008-01-14 11:54:56 +0000 | [diff] [blame] | 69 | static Bool drd_trace_mem = False; |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 70 | static Addr drd_trace_address = 0; |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 71 | |
| 72 | |
| 73 | // |
| 74 | // Implement the needs_command_line_options for drd. |
| 75 | // |
| 76 | |
| 77 | static Bool drd_process_cmd_line_option(Char* arg) |
| 78 | { |
sewardj | 8564292 | 2008-01-14 11:54:56 +0000 | [diff] [blame] | 79 | Bool trace_barrier = False; |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 80 | Bool trace_cond = False; |
bart | ecbf166 | 2008-02-24 18:46:05 +0000 | [diff] [blame] | 81 | Bool trace_csw = False; |
| 82 | Bool trace_danger_set = False; |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 83 | Bool trace_mutex = False; |
| 84 | Bool trace_segment = False; |
bart | 28230a3 | 2008-02-29 17:27:03 +0000 | [diff] [blame] | 85 | Bool trace_semaphore = False; |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 86 | Bool trace_suppression = False; |
| 87 | Char* trace_address = 0; |
| 88 | |
| 89 | VG_BOOL_CLO (arg, "--drd-stats", drd_print_stats) |
sewardj | 8564292 | 2008-01-14 11:54:56 +0000 | [diff] [blame] | 90 | else VG_BOOL_CLO(arg, "--trace-barrier", trace_barrier) |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 91 | else VG_BOOL_CLO(arg, "--trace-cond", trace_cond) |
bart | ecbf166 | 2008-02-24 18:46:05 +0000 | [diff] [blame] | 92 | else VG_BOOL_CLO(arg, "--trace-csw", trace_csw) |
| 93 | else VG_BOOL_CLO(arg, "--trace-danger-set", trace_danger_set) |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 94 | else VG_BOOL_CLO(arg, "--trace-fork-join", drd_trace_fork_join) |
| 95 | else VG_BOOL_CLO(arg, "--trace-mem", drd_trace_mem) |
| 96 | else VG_BOOL_CLO(arg, "--trace-mutex", trace_mutex) |
| 97 | else VG_BOOL_CLO(arg, "--trace-segment", trace_segment) |
bart | 28230a3 | 2008-02-29 17:27:03 +0000 | [diff] [blame] | 98 | else VG_BOOL_CLO(arg, "--trace-semaphore", trace_semaphore) |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 99 | else VG_BOOL_CLO(arg, "--trace-suppression", trace_suppression) |
| 100 | else VG_STR_CLO (arg, "--trace-address", trace_address) |
| 101 | else |
| 102 | return False; |
| 103 | |
| 104 | if (trace_address) |
sewardj | c0be925 | 2008-02-11 11:00:51 +0000 | [diff] [blame] | 105 | { |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 106 | drd_trace_address = VG_(strtoll16)(trace_address, 0); |
sewardj | c0be925 | 2008-02-11 11:00:51 +0000 | [diff] [blame] | 107 | } |
sewardj | 8564292 | 2008-01-14 11:54:56 +0000 | [diff] [blame] | 108 | if (trace_barrier) |
| 109 | barrier_set_trace(trace_barrier); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 110 | if (trace_cond) |
| 111 | cond_set_trace(trace_cond); |
bart | ecbf166 | 2008-02-24 18:46:05 +0000 | [diff] [blame] | 112 | if (trace_csw) |
| 113 | thread_trace_context_switches(trace_csw); |
| 114 | if (trace_danger_set) |
| 115 | thread_trace_danger_set(trace_danger_set); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 116 | if (trace_mutex) |
| 117 | mutex_set_trace(trace_mutex); |
| 118 | if (trace_segment) |
| 119 | sg_set_trace(trace_segment); |
bart | 28230a3 | 2008-02-29 17:27:03 +0000 | [diff] [blame] | 120 | if (trace_semaphore) |
| 121 | semaphore_set_trace(trace_semaphore); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 122 | if (trace_suppression) |
| 123 | suppression_set_trace(trace_suppression); |
| 124 | |
| 125 | return True; |
| 126 | } |
| 127 | |
| 128 | static void drd_print_usage(void) |
| 129 | { |
| 130 | VG_(printf)(" --trace-mem=no|yes Trace all memory accesses to stdout[no]" |
| 131 | "\n" |
| 132 | " --trace-fork-join=no|yes Trace all thread creation and join" |
| 133 | " activity\n" |
| 134 | " --trace-mutex=no|yes Trace all mutex activity\n" |
| 135 | " --trace-segment=no|yes Trace segment actions\n" |
| 136 | ); |
| 137 | } |
| 138 | |
| 139 | static void drd_print_debug_usage(void) |
| 140 | { |
| 141 | } |
| 142 | |
| 143 | |
| 144 | // |
| 145 | // Implements the thread-related core callbacks. |
| 146 | // |
| 147 | |
| 148 | static |
| 149 | VG_REGPARM(2) void drd_trace_load(Addr addr, SizeT size) |
| 150 | { |
| 151 | Segment* sg; |
| 152 | |
bart | 5e85d26 | 2008-03-01 10:49:37 +0000 | [diff] [blame^] | 153 | tl_assert(thread_get_running_tid() |
| 154 | == VgThreadIdToDrdThreadId(VG_(get_running_tid()))); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 155 | |
| 156 | #if 1 |
| 157 | if (drd_trace_mem || (addr == drd_trace_address)) |
| 158 | { |
| 159 | VG_(message)(Vg_UserMsg, "load 0x%lx size %ld %s (vg %d / drd %d)", |
| 160 | addr, |
| 161 | size, |
| 162 | thread_get_name(thread_get_running_tid()), |
| 163 | VG_(get_running_tid)(), |
| 164 | thread_get_running_tid()); |
sewardj | 8564292 | 2008-01-14 11:54:56 +0000 | [diff] [blame] | 165 | VG_(get_and_pp_StackTrace)(VG_(get_running_tid)(), |
| 166 | VG_(clo_backtrace_size)); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 167 | tl_assert(DrdThreadIdToVgThreadId(thread_get_running_tid()) |
| 168 | == VG_(get_running_tid)()); |
| 169 | } |
| 170 | #endif |
| 171 | sg = thread_get_segment(thread_get_running_tid()); |
| 172 | bm_access_range(sg->bm, addr, size, eLoad); |
| 173 | if (thread_conflicting_access(addr, size, eLoad)) |
| 174 | { |
| 175 | DataRaceErrInfo drei; |
| 176 | drei.tid = VG_(get_running_tid)(); |
| 177 | drei.addr = addr; |
| 178 | drei.size = size; |
| 179 | drei.access_type = eLoad; |
| 180 | VG_(maybe_record_error)(VG_(get_running_tid)(), |
| 181 | DataRaceErr, |
| 182 | VG_(get_IP)(VG_(get_running_tid)()), |
| 183 | "Conflicting accesses", |
| 184 | &drei); |
| 185 | } |
| 186 | } |
| 187 | |
| 188 | static |
| 189 | VG_REGPARM(2) void drd_trace_store(Addr addr, SizeT size) |
| 190 | { |
| 191 | Segment* sg; |
| 192 | |
bart | 5e85d26 | 2008-03-01 10:49:37 +0000 | [diff] [blame^] | 193 | tl_assert(thread_get_running_tid() |
| 194 | == VgThreadIdToDrdThreadId(VG_(get_running_tid()))); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 195 | |
| 196 | #if 1 |
| 197 | if (drd_trace_mem || (addr == drd_trace_address)) |
| 198 | { |
| 199 | VG_(message)(Vg_UserMsg, "store 0x%lx size %ld %s (vg %d / drd %d / off %d)", |
| 200 | addr, |
| 201 | size, |
| 202 | thread_get_name(thread_get_running_tid()), |
| 203 | VG_(get_running_tid)(), |
| 204 | thread_get_running_tid(), |
| 205 | addr - thread_get_stack_min(thread_get_running_tid())); |
sewardj | 8564292 | 2008-01-14 11:54:56 +0000 | [diff] [blame] | 206 | VG_(get_and_pp_StackTrace)(VG_(get_running_tid)(), |
| 207 | VG_(clo_backtrace_size)); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 208 | tl_assert(DrdThreadIdToVgThreadId(thread_get_running_tid()) |
| 209 | == VG_(get_running_tid)()); |
| 210 | } |
| 211 | #endif |
| 212 | sg = thread_get_segment(thread_get_running_tid()); |
| 213 | bm_access_range(sg->bm, addr, size, eStore); |
| 214 | if (thread_conflicting_access(addr, size, eStore)) |
| 215 | { |
| 216 | DataRaceErrInfo drei; |
| 217 | drei.tid = VG_(get_running_tid)(); |
| 218 | drei.addr = addr; |
| 219 | drei.size = size; |
| 220 | drei.access_type = eStore; |
| 221 | VG_(maybe_record_error)(VG_(get_running_tid)(), |
| 222 | DataRaceErr, |
| 223 | VG_(get_IP)(VG_(get_running_tid)()), |
| 224 | "Conflicting accesses", |
| 225 | &drei); |
| 226 | } |
| 227 | } |
| 228 | |
| 229 | static void drd_pre_mem_read(const CorePart part, |
| 230 | const ThreadId tid, |
| 231 | Char* const s, |
| 232 | const Addr a, |
| 233 | const SizeT size) |
| 234 | { |
sewardj | 8b09d4f | 2007-12-04 21:27:18 +0000 | [diff] [blame] | 235 | if (size > 0) |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 236 | { |
| 237 | drd_trace_load(a, size); |
| 238 | } |
| 239 | } |
| 240 | |
bart | 5e85d26 | 2008-03-01 10:49:37 +0000 | [diff] [blame^] | 241 | static void drd_pre_mem_read_asciiz(const CorePart part, |
| 242 | const ThreadId tid, |
| 243 | Char* const s, |
| 244 | const Addr a) |
| 245 | { |
| 246 | const char* p = (void*)a; |
| 247 | SizeT size = 0; |
| 248 | |
| 249 | /* Note: the expression '*p' reads client memory and may crash if the */ |
| 250 | /* client provided an invalid pointer ! */ |
| 251 | while (*p) |
| 252 | { |
| 253 | p++; |
| 254 | size++; |
| 255 | } |
| 256 | // To do: find out what a reasonable upper limit on 'size' is. |
| 257 | tl_assert(size < 4096); |
| 258 | if (size > 0) |
| 259 | { |
| 260 | drd_trace_load(a, size); |
| 261 | } |
| 262 | } |
| 263 | |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 264 | static void drd_post_mem_write(const CorePart part, |
| 265 | const ThreadId tid, |
| 266 | const Addr a, |
| 267 | const SizeT size) |
| 268 | { |
bart | 5e85d26 | 2008-03-01 10:49:37 +0000 | [diff] [blame^] | 269 | thread_set_vg_running_tid(VG_(get_running_tid)()); |
sewardj | 8b09d4f | 2007-12-04 21:27:18 +0000 | [diff] [blame] | 270 | if (size > 0) |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 271 | { |
| 272 | drd_trace_store(a, size); |
| 273 | } |
| 274 | } |
| 275 | |
bart | 5e85d26 | 2008-03-01 10:49:37 +0000 | [diff] [blame^] | 276 | static void drd_start_using_mem(const Addr a1, const SizeT len) |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 277 | { |
bart | 5e85d26 | 2008-03-01 10:49:37 +0000 | [diff] [blame^] | 278 | const Addr a2 = a1 + len; |
| 279 | |
| 280 | tl_assert(a1 < a2); |
| 281 | |
sewardj | 8b09d4f | 2007-12-04 21:27:18 +0000 | [diff] [blame] | 282 | thread_set_vg_running_tid(VG_(get_running_tid)()); |
| 283 | |
bart | 5e85d26 | 2008-03-01 10:49:37 +0000 | [diff] [blame^] | 284 | if (a1 <= drd_trace_address && drd_trace_address < a2) |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 285 | { |
| 286 | VG_(message)(Vg_UserMsg, "start 0x%lx size %ld %s (tracing 0x%lx)", |
| 287 | a1, a2 - a1, thread_get_name(thread_get_running_tid()), |
| 288 | drd_trace_address); |
sewardj | 8564292 | 2008-01-14 11:54:56 +0000 | [diff] [blame] | 289 | VG_(get_and_pp_StackTrace)(VG_(get_running_tid)(), |
| 290 | VG_(clo_backtrace_size)); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 291 | } |
| 292 | } |
| 293 | |
bart | 5e85d26 | 2008-03-01 10:49:37 +0000 | [diff] [blame^] | 294 | static void drd_stop_using_mem(const Addr a1, const SizeT len) |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 295 | { |
bart | 5e85d26 | 2008-03-01 10:49:37 +0000 | [diff] [blame^] | 296 | const Addr a2 = a1 + len; |
| 297 | |
| 298 | tl_assert(a1 < a2); |
| 299 | |
| 300 | if (a1 <= drd_trace_address && drd_trace_address < a2) |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 301 | { |
| 302 | VG_(message)(Vg_UserMsg, "end 0x%lx size %ld %s (tracing 0x%lx)", |
| 303 | a1, a2 - a1, thread_get_name(thread_get_running_tid()), |
| 304 | drd_trace_address); |
sewardj | 8564292 | 2008-01-14 11:54:56 +0000 | [diff] [blame] | 305 | VG_(get_and_pp_StackTrace)(VG_(get_running_tid)(), |
| 306 | VG_(clo_backtrace_size)); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 307 | } |
| 308 | thread_stop_using_mem(a1, a2); |
bart | 4bb53d8 | 2008-02-28 19:06:34 +0000 | [diff] [blame] | 309 | drd_clientobj_stop_using_mem(a1, a2); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 310 | drd_suppression_stop_using_mem(a1, a2); |
| 311 | } |
| 312 | |
bart | 5e85d26 | 2008-03-01 10:49:37 +0000 | [diff] [blame^] | 313 | static |
| 314 | void drd_start_using_mem_w_perms(const Addr a, const SizeT len, |
| 315 | const Bool rr, const Bool ww, const Bool xx) |
| 316 | { |
| 317 | drd_start_using_mem(a, len); |
| 318 | } |
| 319 | |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 320 | /* Called by the core when the stack of a thread grows, to indicate that */ |
| 321 | /* the addresses in range [ a, a + len [ may now be used by the client. */ |
| 322 | /* Assumption: stacks grow downward. */ |
| 323 | static void drd_start_using_mem_stack(const Addr a, const SizeT len) |
| 324 | { |
| 325 | thread_set_stack_min(thread_get_running_tid(), a - VG_STACK_REDZONE_SZB); |
bart | 5e85d26 | 2008-03-01 10:49:37 +0000 | [diff] [blame^] | 326 | drd_start_using_mem(a, len); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 327 | } |
| 328 | |
| 329 | /* Called by the core when the stack of a thread shrinks, to indicate that */ |
| 330 | /* the addresses [ a, a + len [ are no longer accessible for the client. */ |
| 331 | /* Assumption: stacks grow downward. */ |
| 332 | static void drd_stop_using_mem_stack(const Addr a, const SizeT len) |
| 333 | { |
sewardj | 8b09d4f | 2007-12-04 21:27:18 +0000 | [diff] [blame] | 334 | thread_set_vg_running_tid(VG_(get_running_tid)()); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 335 | thread_set_stack_min(thread_get_running_tid(), |
| 336 | a + len - VG_STACK_REDZONE_SZB); |
bart | 5e85d26 | 2008-03-01 10:49:37 +0000 | [diff] [blame^] | 337 | drd_stop_using_mem(a, len); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 338 | } |
| 339 | |
bart | 5e85d26 | 2008-03-01 10:49:37 +0000 | [diff] [blame^] | 340 | 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] | 341 | { |
bart | 5e85d26 | 2008-03-01 10:49:37 +0000 | [diff] [blame^] | 342 | drd_start_using_mem(a, len); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 343 | } |
| 344 | |
bart | 5e85d26 | 2008-03-01 10:49:37 +0000 | [diff] [blame^] | 345 | static void drd_stop_using_mem_stack_signal(Addr a, SizeT len) |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 346 | { |
bart | 5e85d26 | 2008-03-01 10:49:37 +0000 | [diff] [blame^] | 347 | drd_stop_using_mem(a, len); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 348 | } |
| 349 | |
| 350 | static |
| 351 | void drd_pre_thread_create(const ThreadId creator, const ThreadId created) |
| 352 | { |
| 353 | const DrdThreadId drd_creator = VgThreadIdToDrdThreadId(creator); |
| 354 | tl_assert(created != VG_INVALID_THREADID); |
| 355 | thread_pre_create(drd_creator, created); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 356 | if (IsValidDrdThreadId(drd_creator)) |
| 357 | { |
| 358 | thread_new_segment(drd_creator); |
| 359 | } |
| 360 | if (drd_trace_fork_join) |
| 361 | { |
| 362 | VG_(message)(Vg_DebugMsg, |
| 363 | "drd_pre_thread_create creator = %d/%d, created = %d", |
| 364 | creator, drd_creator, created); |
| 365 | } |
| 366 | } |
| 367 | |
| 368 | /* Called by Valgrind's core before any loads or stores are performed on */ |
| 369 | /* the context of thread "created". At startup, this function is called */ |
| 370 | /* with arguments (0,1). */ |
| 371 | static |
| 372 | void drd_post_thread_create(const ThreadId created) |
| 373 | { |
| 374 | const DrdThreadId drd_created = thread_post_create(created); |
| 375 | tl_assert(created != VG_INVALID_THREADID); |
| 376 | if (drd_trace_fork_join) |
| 377 | { |
| 378 | VG_(message)(Vg_DebugMsg, |
| 379 | "drd_post_thread_create created = %d/%d", |
| 380 | created, drd_created); |
| 381 | } |
| 382 | } |
| 383 | |
| 384 | /* Process VG_USERREQ__POST_THREAD_JOIN. This client request is invoked just */ |
| 385 | /* after thread drd_joiner joined thread drd_joinee. */ |
| 386 | void drd_post_thread_join(DrdThreadId drd_joiner, DrdThreadId drd_joinee) |
| 387 | { |
| 388 | tl_assert(IsValidDrdThreadId(drd_joiner)); |
| 389 | tl_assert(IsValidDrdThreadId(drd_joinee)); |
| 390 | thread_new_segment(drd_joinee); |
| 391 | thread_combine_vc(drd_joiner, drd_joinee); |
| 392 | thread_new_segment(drd_joiner); |
| 393 | |
| 394 | if (drd_trace_fork_join) |
| 395 | { |
| 396 | char msg[256]; |
| 397 | const ThreadId joiner = DrdThreadIdToVgThreadId(drd_joiner); |
| 398 | const ThreadId joinee = DrdThreadIdToVgThreadId(drd_joinee); |
| 399 | VG_(snprintf)(msg, sizeof(msg), |
| 400 | "drd_post_thread_join joiner = %d/%d, joinee = %d/%d", |
| 401 | joiner, drd_joiner, joinee, drd_joinee); |
| 402 | if (joiner) |
| 403 | { |
| 404 | VG_(snprintf)(msg + VG_(strlen)(msg), sizeof(msg) - VG_(strlen)(msg), |
| 405 | ", new vc: "); |
| 406 | vc_snprint(msg + VG_(strlen)(msg), sizeof(msg) - VG_(strlen)(msg), |
| 407 | thread_get_vc(drd_joiner)); |
| 408 | } |
| 409 | VG_(message)(Vg_DebugMsg, msg); |
| 410 | } |
| 411 | |
| 412 | thread_delete(drd_joinee); |
| 413 | mutex_thread_delete(drd_joinee); |
sewardj | 8564292 | 2008-01-14 11:54:56 +0000 | [diff] [blame] | 414 | cond_thread_delete(drd_joinee); |
| 415 | semaphore_thread_delete(drd_joinee); |
| 416 | barrier_thread_delete(drd_joinee); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 417 | } |
| 418 | |
| 419 | /* Called after a thread has performed its last memory access. */ |
| 420 | static void drd_thread_finished(ThreadId tid) |
| 421 | { |
sewardj | 8564292 | 2008-01-14 11:54:56 +0000 | [diff] [blame] | 422 | DrdThreadId drd_tid; |
| 423 | |
| 424 | drd_set_running_tid(tid); |
| 425 | |
| 426 | drd_tid = VgThreadIdToDrdThreadId(tid); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 427 | if (drd_trace_fork_join) |
| 428 | { |
| 429 | VG_(message)(Vg_DebugMsg, |
| 430 | "drd_thread_finished tid = %d/%d%s", |
| 431 | tid, |
| 432 | drd_tid, |
| 433 | thread_get_joinable(drd_tid) |
| 434 | ? "" |
| 435 | : " (which is a detached thread)"); |
| 436 | |
| 437 | } |
| 438 | thread_finished(drd_tid); |
| 439 | } |
| 440 | |
sewardj | 347eeba | 2008-01-21 14:19:07 +0000 | [diff] [blame] | 441 | void drd_pre_mutex_init(const Addr mutex, const SizeT size, |
| 442 | const MutexT mutex_type) |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 443 | { |
sewardj | 721ad7b | 2007-11-30 08:30:29 +0000 | [diff] [blame] | 444 | mutex_init(mutex, size, mutex_type); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 445 | } |
| 446 | |
sewardj | 347eeba | 2008-01-21 14:19:07 +0000 | [diff] [blame] | 447 | void drd_post_mutex_destroy(const Addr mutex, const MutexT mutex_type) |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 448 | { |
sewardj | 347eeba | 2008-01-21 14:19:07 +0000 | [diff] [blame] | 449 | mutex_post_destroy(mutex); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 450 | } |
| 451 | |
| 452 | void drd_pre_mutex_lock(const DrdThreadId drd_tid, |
| 453 | const Addr mutex, |
sewardj | 721ad7b | 2007-11-30 08:30:29 +0000 | [diff] [blame] | 454 | const SizeT size, |
| 455 | const MutexT mutex_type) |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 456 | { |
bart | 8bba1f7 | 2008-02-27 16:13:05 +0000 | [diff] [blame] | 457 | mutex_pre_lock(mutex, size, mutex_type); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 458 | } |
| 459 | |
| 460 | void drd_post_mutex_lock(const DrdThreadId drd_tid, |
| 461 | const Addr mutex, |
sewardj | 721ad7b | 2007-11-30 08:30:29 +0000 | [diff] [blame] | 462 | const SizeT size, |
bart | 3b1ee45 | 2008-02-29 19:28:15 +0000 | [diff] [blame] | 463 | const MutexT mutex_type, |
| 464 | const Bool took_lock) |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 465 | { |
bart | 3b1ee45 | 2008-02-29 19:28:15 +0000 | [diff] [blame] | 466 | mutex_post_lock(mutex, size, mutex_type, took_lock); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 467 | } |
| 468 | |
sewardj | 721ad7b | 2007-11-30 08:30:29 +0000 | [diff] [blame] | 469 | void drd_pre_mutex_unlock(const DrdThreadId drd_tid, |
| 470 | const Addr mutex, |
| 471 | const MutexT mutex_type) |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 472 | { |
sewardj | 721ad7b | 2007-11-30 08:30:29 +0000 | [diff] [blame] | 473 | mutex_unlock(mutex, mutex_type); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 474 | } |
| 475 | |
| 476 | void drd_post_cond_init(Addr cond, SizeT s) |
| 477 | { |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 478 | if (cond_get(cond)) |
| 479 | { |
| 480 | CondErrInfo cei = { .cond = cond }; |
| 481 | VG_(maybe_record_error)(VG_(get_running_tid)(), |
| 482 | CondErr, |
| 483 | VG_(get_IP)(VG_(get_running_tid)()), |
| 484 | "initialized twice", |
| 485 | &cei); |
| 486 | } |
sewardj | 721ad7b | 2007-11-30 08:30:29 +0000 | [diff] [blame] | 487 | cond_init(cond, s); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 488 | } |
| 489 | |
sewardj | 721ad7b | 2007-11-30 08:30:29 +0000 | [diff] [blame] | 490 | void drd_pre_cond_destroy(Addr cond) |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 491 | { |
| 492 | struct cond_info* cond_p; |
| 493 | |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 494 | cond_p = cond_get(cond); |
| 495 | if (cond_p) |
| 496 | { |
| 497 | cond_destroy(cond_p); |
| 498 | } |
| 499 | else |
| 500 | { |
| 501 | CondErrInfo cei = { .cond = cond }; |
| 502 | VG_(maybe_record_error)(VG_(get_running_tid)(), |
| 503 | CondErr, |
| 504 | VG_(get_IP)(VG_(get_running_tid)()), |
| 505 | "destroy requested but not initialized", |
| 506 | &cei); |
| 507 | } |
| 508 | } |
| 509 | |
sewardj | 8564292 | 2008-01-14 11:54:56 +0000 | [diff] [blame] | 510 | void drd_semaphore_init(const Addr semaphore, const SizeT size, |
| 511 | const Word pshared, const Word value) |
| 512 | { |
| 513 | semaphore_init(semaphore, size, pshared, value); |
| 514 | } |
| 515 | |
| 516 | void drd_semaphore_destroy(const Addr semaphore) |
| 517 | { |
| 518 | struct semaphore_info* p; |
| 519 | |
| 520 | p = semaphore_get(semaphore); |
| 521 | tl_assert(p); |
| 522 | if (p) |
| 523 | { |
| 524 | semaphore_destroy(p); |
| 525 | } |
| 526 | } |
| 527 | |
bart | 28230a3 | 2008-02-29 17:27:03 +0000 | [diff] [blame] | 528 | void drd_semaphore_pre_wait(const DrdThreadId tid, const Addr semaphore, |
| 529 | const SizeT size) |
sewardj | 8564292 | 2008-01-14 11:54:56 +0000 | [diff] [blame] | 530 | { |
bart | 28230a3 | 2008-02-29 17:27:03 +0000 | [diff] [blame] | 531 | semaphore_pre_wait(semaphore, size); |
| 532 | } |
| 533 | |
| 534 | void drd_semaphore_post_wait(const DrdThreadId tid, const Addr semaphore, |
| 535 | const Bool waited) |
| 536 | { |
| 537 | semaphore_post_wait(tid, semaphore, waited); |
sewardj | 8564292 | 2008-01-14 11:54:56 +0000 | [diff] [blame] | 538 | } |
| 539 | |
| 540 | void drd_semaphore_pre_post(const DrdThreadId tid, const Addr semaphore, |
| 541 | const SizeT size) |
| 542 | { |
| 543 | semaphore_pre_post(tid, semaphore, size); |
| 544 | } |
| 545 | |
| 546 | void drd_semaphore_post_post(const DrdThreadId tid, const Addr semaphore, |
sewardj | e3b57aa | 2008-01-18 07:42:01 +0000 | [diff] [blame] | 547 | const SizeT size, const Bool waited) |
sewardj | 8564292 | 2008-01-14 11:54:56 +0000 | [diff] [blame] | 548 | { |
sewardj | e3b57aa | 2008-01-18 07:42:01 +0000 | [diff] [blame] | 549 | semaphore_post_post(tid, semaphore, size, waited); |
sewardj | 8564292 | 2008-01-14 11:54:56 +0000 | [diff] [blame] | 550 | } |
| 551 | |
| 552 | |
| 553 | void drd_barrier_init(const Addr barrier, const SizeT size, const Word count) |
| 554 | { |
| 555 | barrier_init(barrier, size, count); |
| 556 | } |
| 557 | |
| 558 | void drd_barrier_destroy(const Addr barrier) |
| 559 | { |
| 560 | struct barrier_info* p; |
| 561 | |
| 562 | p = barrier_get(barrier); |
| 563 | if (p) |
| 564 | { |
| 565 | barrier_destroy(p); |
| 566 | } |
| 567 | } |
| 568 | |
| 569 | void drd_barrier_pre_wait(const DrdThreadId tid, const Addr barrier) |
| 570 | { |
| 571 | barrier_pre_wait(tid, barrier); |
| 572 | } |
| 573 | |
| 574 | void drd_barrier_post_wait(const DrdThreadId tid, const Addr barrier, |
| 575 | const Bool waited) |
| 576 | { |
| 577 | barrier_post_wait(tid, barrier, waited); |
| 578 | } |
| 579 | |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 580 | |
| 581 | // |
| 582 | // Implementation of the tool interface. |
| 583 | // |
| 584 | |
| 585 | static |
| 586 | void drd_post_clo_init(void) |
sewardj | dcbb8d3 | 2007-11-26 21:34:30 +0000 | [diff] [blame] | 587 | { |
| 588 | # if defined(VGP_x86_linux) || defined(VGP_amd64_linux) |
| 589 | /* fine */ |
| 590 | # else |
sewardj | 8b09d4f | 2007-12-04 21:27:18 +0000 | [diff] [blame] | 591 | 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] | 592 | # endif |
| 593 | } |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 594 | |
| 595 | static |
| 596 | IRSB* drd_instrument(VgCallbackClosure* const closure, |
sewardj | 347eeba | 2008-01-21 14:19:07 +0000 | [diff] [blame] | 597 | IRSB* const bb_in, |
| 598 | VexGuestLayout* const layout, |
| 599 | VexGuestExtents* const vge, |
| 600 | IRType const gWordTy, |
| 601 | IRType const hWordTy) |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 602 | { |
| 603 | IRDirty* di; |
| 604 | Int i; |
| 605 | IRSB* bb; |
| 606 | IRExpr** argv; |
| 607 | IRExpr* addr_expr; |
| 608 | IRExpr* size_expr; |
| 609 | Bool instrument = True; |
| 610 | |
| 611 | /* Set up BB */ |
| 612 | bb = emptyIRSB(); |
| 613 | bb->tyenv = deepCopyIRTypeEnv(bb_in->tyenv); |
| 614 | bb->next = deepCopyIRExpr(bb_in->next); |
| 615 | bb->jumpkind = bb_in->jumpkind; |
| 616 | |
| 617 | for (i = 0; i < bb_in->stmts_used; i++) |
| 618 | { |
| 619 | IRStmt* const st = bb_in->stmts[i]; |
bart | eb8b8c8 | 2008-02-26 19:11:20 +0000 | [diff] [blame] | 620 | tl_assert(st); |
| 621 | if (st->tag == Ist_NoOp) |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 622 | continue; |
| 623 | |
| 624 | switch (st->tag) |
| 625 | { |
| 626 | case Ist_IMark: |
| 627 | instrument = VG_(seginfo_sect_kind)(st->Ist.IMark.addr) != Vg_SectPLT; |
| 628 | break; |
| 629 | |
bart | eb8b8c8 | 2008-02-26 19:11:20 +0000 | [diff] [blame] | 630 | case Ist_MBE: |
| 631 | instrument_memory_bus_event(bb, st->Ist.MBE.event); |
| 632 | addStmtToIRSB(bb, st); |
| 633 | break; |
| 634 | |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 635 | case Ist_Store: |
| 636 | if (instrument) |
| 637 | { |
| 638 | addr_expr = st->Ist.Store.addr; |
| 639 | size_expr = mkIRExpr_HWord( |
| 640 | sizeofIRType(typeOfIRExpr(bb->tyenv, st->Ist.Store.data))); |
| 641 | argv = mkIRExprVec_2(addr_expr, size_expr); |
| 642 | di = unsafeIRDirty_0_N(/*regparms*/2, |
| 643 | "drd_trace_store", |
| 644 | VG_(fnptr_to_fnentry)(drd_trace_store), |
| 645 | argv); |
| 646 | addStmtToIRSB(bb, IRStmt_Dirty(di)); |
| 647 | } |
| 648 | addStmtToIRSB(bb, st); |
| 649 | break; |
| 650 | |
| 651 | case Ist_WrTmp: |
| 652 | if (instrument) |
| 653 | { |
| 654 | const IRExpr* const data = st->Ist.WrTmp.data; |
| 655 | if (data->tag == Iex_Load) |
| 656 | { |
| 657 | addr_expr = data->Iex.Load.addr; |
| 658 | size_expr = mkIRExpr_HWord(sizeofIRType(data->Iex.Load.ty)); |
| 659 | argv = mkIRExprVec_2(addr_expr, size_expr); |
| 660 | di = unsafeIRDirty_0_N(/*regparms*/2, |
| 661 | "drd_trace_load", |
| 662 | VG_(fnptr_to_fnentry)(drd_trace_load), |
| 663 | argv); |
| 664 | addStmtToIRSB(bb, IRStmt_Dirty(di)); |
| 665 | } |
| 666 | } |
| 667 | addStmtToIRSB(bb, st); |
| 668 | break; |
| 669 | |
| 670 | case Ist_Dirty: |
| 671 | if (instrument) |
| 672 | { |
| 673 | IRDirty* d = st->Ist.Dirty.details; |
| 674 | IREffect const mFx = d->mFx; |
| 675 | switch (mFx) { |
| 676 | case Ifx_None: |
| 677 | break; |
| 678 | case Ifx_Read: |
| 679 | case Ifx_Write: |
| 680 | case Ifx_Modify: |
| 681 | tl_assert(d->mAddr); |
| 682 | tl_assert(d->mSize > 0); |
| 683 | argv = mkIRExprVec_2(d->mAddr, mkIRExpr_HWord(d->mSize)); |
| 684 | if (mFx == Ifx_Read || mFx == Ifx_Modify) { |
| 685 | di = unsafeIRDirty_0_N( |
| 686 | /*regparms*/2, |
| 687 | "drd_trace_load", |
| 688 | VG_(fnptr_to_fnentry)(drd_trace_load), |
| 689 | argv); |
| 690 | addStmtToIRSB(bb, IRStmt_Dirty(di)); |
| 691 | } |
| 692 | if (mFx == Ifx_Write || mFx == Ifx_Modify) { |
| 693 | di = unsafeIRDirty_0_N( |
| 694 | /*regparms*/2, |
| 695 | "drd_trace_store", |
| 696 | VG_(fnptr_to_fnentry)(drd_trace_store), |
| 697 | argv); |
| 698 | addStmtToIRSB(bb, IRStmt_Dirty(di)); |
| 699 | } |
| 700 | break; |
| 701 | default: |
| 702 | tl_assert(0); |
| 703 | } |
| 704 | } |
| 705 | addStmtToIRSB(bb, st); |
| 706 | break; |
| 707 | |
| 708 | default: |
| 709 | addStmtToIRSB(bb, st); |
| 710 | break; |
| 711 | } |
| 712 | } |
| 713 | |
| 714 | return bb; |
| 715 | } |
| 716 | |
bart | eb8b8c8 | 2008-02-26 19:11:20 +0000 | [diff] [blame] | 717 | /* Based on the function with the same name in Helgrind's hg_main.c */ |
| 718 | static void instrument_memory_bus_event(IRSB* const bb, |
bart | bbb6799 | 2008-03-01 07:41:17 +0000 | [diff] [blame] | 719 | const IRMBusEvent event) |
bart | eb8b8c8 | 2008-02-26 19:11:20 +0000 | [diff] [blame] | 720 | { |
| 721 | switch (event) |
| 722 | { |
| 723 | case Imbe_Fence: |
| 724 | break; /* not interesting */ |
| 725 | case Imbe_BusLock: |
| 726 | addStmtToIRSB(bb, |
| 727 | IRStmt_Dirty(unsafeIRDirty_0_N(0/*regparms*/, "evh__bus_lock", |
| 728 | VG_(fnptr_to_fnentry)(&evh__bus_lock), mkIRExprVec_0()) |
| 729 | )); |
| 730 | break; |
| 731 | case Imbe_BusUnlock: |
| 732 | addStmtToIRSB(bb, |
| 733 | IRStmt_Dirty(unsafeIRDirty_0_N(0/*regparms*/, "evh__bus_unlock", |
| 734 | VG_(fnptr_to_fnentry)(&evh__bus_unlock), mkIRExprVec_0()) |
| 735 | )); |
| 736 | break; |
| 737 | default: |
| 738 | tl_assert(0); |
| 739 | } |
| 740 | } |
| 741 | |
| 742 | /** Locking the memory bus is a way to serialize store operations. |
| 743 | * What the lwarx / stwcx instructions do on PowerPC is to detect whether |
| 744 | * any other CPU has invalidated the cache line in which the location |
| 745 | * specified by lwarx resides has been invalidated at the time the stwcx |
| 746 | * instruction is executed. |
| 747 | */ |
| 748 | static void evh__bus_lock(void) |
| 749 | { |
| 750 | /* To do: implement this function. */ |
| 751 | } |
| 752 | |
| 753 | static void evh__bus_unlock(void) |
| 754 | { |
| 755 | /* To do: implement this function. */ |
| 756 | } |
| 757 | |
sewardj | 8b09d4f | 2007-12-04 21:27:18 +0000 | [diff] [blame] | 758 | static void drd_set_running_tid(const ThreadId vg_tid) |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 759 | { |
sewardj | 8b09d4f | 2007-12-04 21:27:18 +0000 | [diff] [blame] | 760 | static ThreadId s_last_vg_tid = VG_INVALID_THREADID; |
| 761 | if (vg_tid != s_last_vg_tid) |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 762 | { |
sewardj | 8b09d4f | 2007-12-04 21:27:18 +0000 | [diff] [blame] | 763 | const DrdThreadId drd_tid = VgThreadIdToDrdThreadId(vg_tid); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 764 | tl_assert(drd_tid != DRD_INVALID_THREADID); |
sewardj | 8b09d4f | 2007-12-04 21:27:18 +0000 | [diff] [blame] | 765 | s_last_vg_tid = vg_tid; |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 766 | if (drd_trace_fork_join) |
| 767 | { |
| 768 | VG_(message)(Vg_DebugMsg, |
| 769 | "drd_track_thread_run tid = %d / drd tid %d", |
sewardj | 8b09d4f | 2007-12-04 21:27:18 +0000 | [diff] [blame] | 770 | vg_tid, drd_tid); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 771 | } |
sewardj | 8b09d4f | 2007-12-04 21:27:18 +0000 | [diff] [blame] | 772 | thread_set_running_tid(vg_tid, drd_tid); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 773 | } |
| 774 | } |
| 775 | |
| 776 | static void drd_start_client_code(const ThreadId tid, const ULong bbs_done) |
| 777 | { |
| 778 | drd_set_running_tid(tid); |
| 779 | } |
| 780 | |
| 781 | static |
| 782 | void drd_fini(Int exitcode) |
| 783 | { |
| 784 | // thread_print_all(); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 785 | if (VG_(clo_verbosity) > 1 || drd_print_stats) |
| 786 | { |
| 787 | VG_(message)(Vg_DebugMsg, |
| 788 | " thread: %lld context switches" |
| 789 | " / %lld updates of the danger set", |
| 790 | thread_get_context_switch_count(), |
| 791 | thread_get_update_danger_set_count()); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 792 | VG_(message)(Vg_DebugMsg, |
| 793 | " segments: %lld total, %lld max, %lld discard points", |
| 794 | sg_get_segments_created_count(), |
| 795 | sg_get_max_segments_alive_count(), |
| 796 | thread_get_discard_ordered_segments_count()); |
| 797 | VG_(message)(Vg_DebugMsg, |
| 798 | " bitmaps: %lld / %lld bitmaps were allocated" |
| 799 | " and %lld / %lld for danger set updates", |
| 800 | bm_get_bitmap_creation_count(), |
| 801 | bm_get_bitmap2_creation_count(), |
| 802 | thread_get_danger_set_bitmap_creation_count(), |
| 803 | thread_get_danger_set_bitmap2_creation_count()); |
| 804 | VG_(message)(Vg_DebugMsg, |
| 805 | " mutex: %lld non-recursive lock/unlock events", |
| 806 | get_mutex_lock_count()); |
| 807 | drd_print_malloc_stats(); |
| 808 | } |
| 809 | } |
| 810 | |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 811 | static |
| 812 | void drd_pre_clo_init(void) |
| 813 | { |
| 814 | // Basic tool stuff. |
| 815 | |
| 816 | VG_(details_name) ("exp-drd"); |
| 817 | VG_(details_version) (NULL); |
| 818 | VG_(details_description) ("a data race detector"); |
sewardj | 8564292 | 2008-01-14 11:54:56 +0000 | [diff] [blame] | 819 | VG_(details_copyright_author)("Copyright (C) 2006-2008, and GNU GPL'd," |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 820 | " by Bart Van Assche."); |
| 821 | VG_(details_bug_reports_to) (VG_BUGS_TO); |
| 822 | |
| 823 | VG_(basic_tool_funcs) (drd_post_clo_init, |
| 824 | drd_instrument, |
| 825 | drd_fini); |
| 826 | |
| 827 | // Command line stuff. |
| 828 | VG_(needs_command_line_options)(drd_process_cmd_line_option, |
| 829 | drd_print_usage, |
| 830 | drd_print_debug_usage); |
| 831 | |
bart | 5e85d26 | 2008-03-01 10:49:37 +0000 | [diff] [blame^] | 832 | // Error handling. |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 833 | drd_register_error_handlers(); |
| 834 | |
| 835 | // Core event tracking. |
| 836 | VG_(track_pre_mem_read) (drd_pre_mem_read); |
bart | 5e85d26 | 2008-03-01 10:49:37 +0000 | [diff] [blame^] | 837 | VG_(track_pre_mem_read_asciiz) (drd_pre_mem_read_asciiz); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 838 | VG_(track_post_mem_write) (drd_post_mem_write); |
bart | 5e85d26 | 2008-03-01 10:49:37 +0000 | [diff] [blame^] | 839 | VG_(track_new_mem_brk) (drd_start_using_mem); |
| 840 | VG_(track_new_mem_mmap) (drd_start_using_mem_w_perms); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 841 | VG_(track_new_mem_stack) (drd_start_using_mem_stack); |
bart | 5e85d26 | 2008-03-01 10:49:37 +0000 | [diff] [blame^] | 842 | VG_(track_new_mem_stack_signal) (drd_start_using_mem_stack_signal); |
| 843 | VG_(track_new_mem_startup) (drd_start_using_mem_w_perms); |
| 844 | VG_(track_die_mem_brk) (drd_stop_using_mem); |
| 845 | VG_(track_die_mem_munmap) (drd_stop_using_mem); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 846 | VG_(track_die_mem_stack) (drd_stop_using_mem_stack); |
bart | 5e85d26 | 2008-03-01 10:49:37 +0000 | [diff] [blame^] | 847 | VG_(track_die_mem_stack_signal) (drd_stop_using_mem_stack_signal); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 848 | VG_(track_start_client_code) (drd_start_client_code); |
| 849 | VG_(track_pre_thread_ll_create) (drd_pre_thread_create); |
| 850 | VG_(track_pre_thread_first_insn)(drd_post_thread_create); |
| 851 | VG_(track_pre_thread_ll_exit) (drd_thread_finished); |
| 852 | |
| 853 | // Other stuff. |
| 854 | VG_(needs_data_syms)(); |
| 855 | |
| 856 | drd_register_malloc_wrappers(drd_start_using_mem, drd_stop_using_mem); |
| 857 | |
| 858 | drd_clientreq_init(); |
| 859 | |
| 860 | drd_suppression_init(); |
bart | 4bb53d8 | 2008-02-28 19:06:34 +0000 | [diff] [blame] | 861 | |
| 862 | drd_clientobj_init(); |
sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame] | 863 | } |
| 864 | |
| 865 | |
| 866 | VG_DETERMINE_INTERFACE_VERSION(drd_pre_clo_init) |
| 867 | |
| 868 | |
| 869 | /* |
| 870 | * Local variables: |
| 871 | * c-basic-offset: 3 |
| 872 | * End: |
| 873 | */ |