njn | 810086f | 2002-11-14 12:42:47 +0000 | [diff] [blame] | 1 | |
| 2 | /*--------------------------------------------------------------------*/ |
| 3 | /*--- Stuff relating to skin data structures. ---*/ |
| 4 | /*--- vg_needs.c ---*/ |
| 5 | /*--------------------------------------------------------------------*/ |
| 6 | |
| 7 | /* |
| 8 | This file is part of Valgrind, an extensible x86 protected-mode |
| 9 | emulator for monitoring program execution on x86-Unixes. |
| 10 | |
| 11 | Copyright (C) 2000-2002 Nicholas Nethercote |
| 12 | jseward@acm.org |
| 13 | |
| 14 | This program is free software; you can redistribute it and/or |
| 15 | modify it under the terms of the GNU General Public License as |
| 16 | published by the Free Software Foundation; either version 2 of the |
| 17 | License, or (at your option) any later version. |
| 18 | |
| 19 | This program is distributed in the hope that it will be useful, but |
| 20 | WITHOUT ANY WARRANTY; without even the implied warranty of |
| 21 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 22 | General Public License for more details. |
| 23 | |
| 24 | You should have received a copy of the GNU General Public License |
| 25 | along with this program; if not, write to the Free Software |
| 26 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| 27 | 02111-1307, USA. |
| 28 | |
| 29 | The GNU General Public License is contained in the file COPYING. |
| 30 | */ |
| 31 | |
| 32 | #include "vg_include.h" |
| 33 | |
| 34 | |
| 35 | /* --------------------------------------------------------------------- |
| 36 | Skin data structure initialisation |
| 37 | ------------------------------------------------------------------ */ |
| 38 | |
| 39 | /* Init with default values. */ |
| 40 | VgDetails VG_(details) = { |
sewardj | c0d8f68 | 2002-11-30 00:49:43 +0000 | [diff] [blame] | 41 | .name = NULL, |
| 42 | .version = NULL, |
| 43 | .description = NULL, |
| 44 | .copyright_author = NULL, |
| 45 | .bug_reports_to = NULL, |
njn | 120281f | 2003-02-03 12:20:07 +0000 | [diff] [blame] | 46 | .avg_translation_sizeB = VG_DEFAULT_TRANS_SIZEB, |
njn | 810086f | 2002-11-14 12:42:47 +0000 | [diff] [blame] | 47 | }; |
| 48 | |
| 49 | VgNeeds VG_(needs) = { |
| 50 | .core_errors = False, |
| 51 | .skin_errors = False, |
| 52 | .libc_freeres = False, |
| 53 | .sizeof_shadow_block = 0, |
| 54 | .basic_block_discards = False, |
| 55 | .shadow_regs = False, |
| 56 | .command_line_options = False, |
| 57 | .client_requests = False, |
| 58 | .extended_UCode = False, |
| 59 | .syscall_wrapper = False, |
| 60 | .alternative_free = False, |
| 61 | .sanity_checks = False, |
| 62 | .data_syms = False, |
| 63 | }; |
| 64 | |
| 65 | VgTrackEvents VG_(track_events) = { |
| 66 | /* Memory events */ |
njn | fdc28af | 2003-02-24 10:36:48 +0000 | [diff] [blame] | 67 | .new_mem_startup = NULL, |
| 68 | .new_mem_heap = NULL, |
| 69 | .new_mem_stack = NULL, |
| 70 | .new_mem_stack_aligned = NULL, |
| 71 | .new_mem_stack_signal = NULL, |
| 72 | .new_mem_brk = NULL, |
| 73 | .new_mem_mmap = NULL, |
njn | 810086f | 2002-11-14 12:42:47 +0000 | [diff] [blame] | 74 | |
njn | fdc28af | 2003-02-24 10:36:48 +0000 | [diff] [blame] | 75 | .copy_mem_heap = NULL, |
| 76 | .copy_mem_remap = NULL, |
| 77 | .change_mem_mprotect = NULL, |
njn | 810086f | 2002-11-14 12:42:47 +0000 | [diff] [blame] | 78 | |
njn | fdc28af | 2003-02-24 10:36:48 +0000 | [diff] [blame] | 79 | .ban_mem_heap = NULL, |
| 80 | .ban_mem_stack = NULL, |
njn | 810086f | 2002-11-14 12:42:47 +0000 | [diff] [blame] | 81 | |
njn | fdc28af | 2003-02-24 10:36:48 +0000 | [diff] [blame] | 82 | .die_mem_heap = NULL, |
| 83 | .die_mem_stack = NULL, |
| 84 | .die_mem_stack_aligned = NULL, |
| 85 | .die_mem_stack_signal = NULL, |
| 86 | .die_mem_brk = NULL, |
| 87 | .die_mem_munmap = NULL, |
njn | 810086f | 2002-11-14 12:42:47 +0000 | [diff] [blame] | 88 | |
njn | fdc28af | 2003-02-24 10:36:48 +0000 | [diff] [blame] | 89 | .bad_free = NULL, |
| 90 | .mismatched_free = NULL, |
njn | 810086f | 2002-11-14 12:42:47 +0000 | [diff] [blame] | 91 | |
njn | fdc28af | 2003-02-24 10:36:48 +0000 | [diff] [blame] | 92 | .pre_mem_read = NULL, |
| 93 | .pre_mem_read_asciiz = NULL, |
| 94 | .pre_mem_write = NULL, |
| 95 | .post_mem_write = NULL, |
njn | 810086f | 2002-11-14 12:42:47 +0000 | [diff] [blame] | 96 | |
| 97 | /* Scheduler events */ |
njn | fdc28af | 2003-02-24 10:36:48 +0000 | [diff] [blame] | 98 | .thread_run = NULL, |
njn | 810086f | 2002-11-14 12:42:47 +0000 | [diff] [blame] | 99 | |
| 100 | /* Mutex events */ |
njn | fdc28af | 2003-02-24 10:36:48 +0000 | [diff] [blame] | 101 | .post_mutex_lock = NULL, |
| 102 | .post_mutex_unlock = NULL, |
| 103 | |
| 104 | /* Signal events */ |
| 105 | .pre_deliver_signal = NULL, |
| 106 | .post_deliver_signal = NULL, |
njn | 810086f | 2002-11-14 12:42:47 +0000 | [diff] [blame] | 107 | }; |
| 108 | |
| 109 | /* static */ |
| 110 | void VG_(sanity_check_needs) ( void) |
| 111 | { |
| 112 | #define CHECK_NOT(var, value) \ |
| 113 | if ((var)==(value)) { \ |
| 114 | VG_(printf)("\nSkin error: `%s' not initialised\n", \ |
| 115 | VG__STRING(var)); \ |
njn | 120281f | 2003-02-03 12:20:07 +0000 | [diff] [blame] | 116 | VG_(skin_panic)("Uninitialised details field\n"); \ |
njn | 810086f | 2002-11-14 12:42:47 +0000 | [diff] [blame] | 117 | } |
| 118 | |
njn | 120281f | 2003-02-03 12:20:07 +0000 | [diff] [blame] | 119 | /* Ones that must be set */ |
njn | 810086f | 2002-11-14 12:42:47 +0000 | [diff] [blame] | 120 | CHECK_NOT(VG_(details).name, NULL); |
| 121 | /* Nb: .version can be NULL */ |
| 122 | CHECK_NOT(VG_(details).description, NULL); |
| 123 | CHECK_NOT(VG_(details).copyright_author, NULL); |
| 124 | CHECK_NOT(VG_(details).bug_reports_to, NULL); |
| 125 | |
| 126 | #undef CHECK_NOT |
| 127 | #undef INVALID_Bool |
| 128 | } |
| 129 | |
| 130 | /*--------------------------------------------------------------------*/ |
| 131 | /* Setting details */ |
| 132 | |
| 133 | /* Use macro because they're so repetitive */ |
sewardj | c0d8f68 | 2002-11-30 00:49:43 +0000 | [diff] [blame] | 134 | #define DETAILS(type, detail) \ |
| 135 | extern void VG_(details_##detail)(type detail) \ |
| 136 | { \ |
| 137 | VG_(details).detail = detail; \ |
njn | 810086f | 2002-11-14 12:42:47 +0000 | [diff] [blame] | 138 | } |
| 139 | |
sewardj | c0d8f68 | 2002-11-30 00:49:43 +0000 | [diff] [blame] | 140 | DETAILS(Char*, name) |
| 141 | DETAILS(Char*, version) |
| 142 | DETAILS(Char*, description) |
| 143 | DETAILS(Char*, copyright_author) |
| 144 | DETAILS(Char*, bug_reports_to) |
njn | 120281f | 2003-02-03 12:20:07 +0000 | [diff] [blame] | 145 | DETAILS(UInt, avg_translation_sizeB) |
njn | 810086f | 2002-11-14 12:42:47 +0000 | [diff] [blame] | 146 | |
| 147 | /*--------------------------------------------------------------------*/ |
| 148 | /* Setting needs */ |
| 149 | |
| 150 | /* Use macro because they're so repetitive */ |
| 151 | #define NEEDS(need) \ |
| 152 | extern void VG_(needs_##need)(void) \ |
| 153 | { \ |
| 154 | VG_(needs).need = True; \ |
| 155 | } |
| 156 | |
| 157 | NEEDS(libc_freeres) |
| 158 | NEEDS(core_errors) |
| 159 | NEEDS(skin_errors) |
| 160 | NEEDS(basic_block_discards) |
| 161 | NEEDS(shadow_regs) |
| 162 | NEEDS(command_line_options) |
| 163 | NEEDS(client_requests) |
| 164 | NEEDS(extended_UCode) |
| 165 | NEEDS(syscall_wrapper) |
| 166 | |
| 167 | extern void VG_(needs_sizeof_shadow_block)(Int size) |
| 168 | { |
| 169 | VG_(needs).sizeof_shadow_block = size; |
| 170 | } |
| 171 | |
| 172 | NEEDS(alternative_free) |
| 173 | NEEDS(sanity_checks) |
| 174 | NEEDS(data_syms) |
| 175 | |
| 176 | /*--------------------------------------------------------------------*/ |
| 177 | #define TRACK(event, args...) \ |
| 178 | void VG_(track_##event)(void (*f)(args)) \ |
| 179 | { \ |
| 180 | VG_(track_events).event = f; \ |
| 181 | } |
| 182 | |
| 183 | TRACK(new_mem_startup, Addr a, UInt len, Bool rr, Bool ww, Bool xx) |
| 184 | TRACK(new_mem_heap, Addr a, UInt len, Bool is_inited) |
| 185 | TRACK(new_mem_stack, Addr a, UInt len) |
| 186 | TRACK(new_mem_stack_aligned, Addr a, UInt len) |
| 187 | TRACK(new_mem_stack_signal, Addr a, UInt len) |
| 188 | TRACK(new_mem_brk, Addr a, UInt len) |
| 189 | TRACK(new_mem_mmap, Addr a, UInt len, Bool rr, Bool ww, Bool xx) |
| 190 | |
| 191 | TRACK(copy_mem_heap, Addr from, Addr to, UInt len) |
| 192 | TRACK(copy_mem_remap, Addr from, Addr to, UInt len) |
| 193 | TRACK(change_mem_mprotect, Addr a, UInt len, Bool rr, Bool ww, Bool xx) |
| 194 | |
| 195 | TRACK(ban_mem_heap, Addr a, UInt len) |
| 196 | TRACK(ban_mem_stack, Addr a, UInt len) |
| 197 | |
| 198 | TRACK(die_mem_heap, Addr a, UInt len) |
| 199 | TRACK(die_mem_stack, Addr a, UInt len) |
| 200 | TRACK(die_mem_stack_aligned, Addr a, UInt len) |
| 201 | TRACK(die_mem_stack_signal, Addr a, UInt len) |
| 202 | TRACK(die_mem_brk, Addr a, UInt len) |
| 203 | TRACK(die_mem_munmap, Addr a, UInt len) |
| 204 | |
| 205 | TRACK(bad_free, ThreadState* tst, Addr a) |
| 206 | TRACK(mismatched_free, ThreadState* tst, Addr a) |
| 207 | |
| 208 | TRACK(pre_mem_read, CorePart part, ThreadState* tst, Char* s, Addr a, |
| 209 | UInt size) |
| 210 | TRACK(pre_mem_read_asciiz, CorePart part, ThreadState* tst, Char* s, Addr a) |
| 211 | TRACK(pre_mem_write, CorePart part, ThreadState* tst, Char* s, Addr a, |
| 212 | UInt size) |
| 213 | TRACK(post_mem_write, Addr a, UInt size) |
| 214 | |
| 215 | TRACK(thread_run, ThreadId tid) |
| 216 | |
| 217 | TRACK(post_thread_create, ThreadId tid, ThreadId child) |
| 218 | TRACK(post_thread_join, ThreadId joiner, ThreadId joinee) |
| 219 | |
| 220 | TRACK( pre_mutex_lock, ThreadId tid, void* /*pthread_mutex_t* */ mutex) |
| 221 | TRACK(post_mutex_lock, ThreadId tid, void* /*pthread_mutex_t* */ mutex) |
| 222 | TRACK(post_mutex_unlock, ThreadId tid, void* /*pthread_mutex_t* */ mutex) |
| 223 | |
njn | fdc28af | 2003-02-24 10:36:48 +0000 | [diff] [blame] | 224 | TRACK(pre_deliver_signal, ThreadId tid, Int sigNum, Bool alt_stack) |
| 225 | TRACK(post_deliver_signal, ThreadId tid, Int sigNum) |
| 226 | |
njn | 810086f | 2002-11-14 12:42:47 +0000 | [diff] [blame] | 227 | /*--------------------------------------------------------------------*/ |
| 228 | /* UCodeBlocks */ |
| 229 | |
| 230 | Int VG_(get_num_instrs) ( UCodeBlock* cb ) |
| 231 | { |
| 232 | return cb->used; |
| 233 | } |
| 234 | |
| 235 | Int VG_(get_num_temps) ( UCodeBlock* cb ) |
| 236 | { |
| 237 | return cb->nextTemp; |
| 238 | } |
| 239 | |
| 240 | UInstr* VG_(get_instr) ( UCodeBlock* cb, Int i ) |
| 241 | { |
| 242 | return & cb->instrs[i]; |
| 243 | } |
| 244 | |
| 245 | UInstr* VG_(get_last_instr) ( UCodeBlock* cb ) |
| 246 | { |
| 247 | return & cb->instrs[cb->used-1]; |
| 248 | } |
| 249 | |
| 250 | /*--------------------------------------------------------------------*/ |
| 251 | /* Suppressions */ |
| 252 | |
| 253 | SuppKind VG_(get_supp_kind) ( Supp* su ) |
| 254 | { |
| 255 | return su->skind; |
| 256 | } |
| 257 | |
| 258 | Char* VG_(get_supp_string) ( Supp* su ) |
| 259 | { |
| 260 | return su->string; |
| 261 | } |
| 262 | |
| 263 | void* VG_(get_supp_extra) ( Supp* su ) |
| 264 | { |
| 265 | return su->extra; |
| 266 | } |
| 267 | |
| 268 | |
| 269 | void VG_(set_supp_kind) ( Supp* su, SuppKind skind ) |
| 270 | { |
| 271 | su->skind = skind; |
| 272 | } |
| 273 | |
| 274 | void VG_(set_supp_string) ( Supp* su, Char* string ) |
| 275 | { |
| 276 | su->string = string; |
| 277 | } |
| 278 | |
| 279 | void VG_(set_supp_extra) ( Supp* su, void* extra ) |
| 280 | { |
| 281 | su->extra = extra; |
| 282 | } |
| 283 | |
| 284 | /*--------------------------------------------------------------------*/ |
| 285 | /* Errors */ |
| 286 | |
njn | ae17bec | 2003-01-28 19:59:38 +0000 | [diff] [blame] | 287 | ExeContext* VG_(get_error_where) ( Error* err ) |
| 288 | { |
njn | 6d57f7d | 2003-02-06 08:17:08 +0000 | [diff] [blame] | 289 | return err->where; |
njn | ae17bec | 2003-01-28 19:59:38 +0000 | [diff] [blame] | 290 | } |
| 291 | |
njn | 810086f | 2002-11-14 12:42:47 +0000 | [diff] [blame] | 292 | ErrorKind VG_(get_error_kind) ( Error* err ) |
| 293 | { |
| 294 | return err->ekind; |
| 295 | } |
| 296 | |
| 297 | Addr VG_(get_error_address) ( Error* err ) |
| 298 | { |
| 299 | return err->addr; |
| 300 | } |
| 301 | |
| 302 | Char* VG_(get_error_string) ( Error* err ) |
| 303 | { |
| 304 | return err->string; |
| 305 | } |
| 306 | |
| 307 | void* VG_(get_error_extra) ( Error* err ) |
| 308 | { |
| 309 | return err->extra; |
| 310 | } |
| 311 | |
| 312 | /*--------------------------------------------------------------------*/ |
| 313 | /* ShadowChunks */ |
| 314 | |
| 315 | UInt VG_(get_sc_size) ( ShadowChunk* sc ) |
| 316 | { |
| 317 | return sc->size; |
| 318 | } |
| 319 | |
| 320 | Addr VG_(get_sc_data) ( ShadowChunk* sc ) |
| 321 | { |
| 322 | return sc->data; |
| 323 | } |
| 324 | |
| 325 | UInt VG_(get_sc_extra) ( ShadowChunk* sc, UInt i ) |
| 326 | { |
| 327 | vg_assert(i < VG_(needs).sizeof_shadow_block); |
| 328 | return sc->extra[i]; |
| 329 | } |
| 330 | |
| 331 | ShadowChunk* VG_(get_sc_next) ( ShadowChunk* sc ) |
| 332 | { |
| 333 | return sc->next; |
| 334 | } |
| 335 | |
| 336 | void VG_(set_sc_extra) ( ShadowChunk* sc, UInt i, UInt word ) |
| 337 | { |
| 338 | vg_assert(i < VG_(needs).sizeof_shadow_block); |
| 339 | sc->extra[i] = word; |
| 340 | } |
| 341 | |
| 342 | void VG_(set_sc_next) ( ShadowChunk* sc, ShadowChunk* next ) |
| 343 | { |
| 344 | sc->next = next; |
| 345 | } |
| 346 | |
| 347 | |
| 348 | /*--------------------------------------------------------------------*/ |
| 349 | /*--- end vg_needs.c ---*/ |
| 350 | /*--------------------------------------------------------------------*/ |
| 351 | |
| 352 | |