mono/metadata/mono-debug-debugger.c

   1 #include <config.h>
   2 #include <stdlib.h>
   3 #include <string.h>
   4 #include <mono/metadata/assembly.h>
   5 #include <mono/metadata/metadata.h>
   6 #include <mono/metadata/tabledefs.h>
   7 #include <mono/metadata/tokentype.h>
   8 #include <mono/metadata/appdomain.h>
   9 #include <mono/metadata/gc-internal.h>
  10 #include <mono/os/gc_wrapper.h>
  11 #include <mono/metadata/object-internals.h>
  12 #include <mono/metadata/class-internals.h>
  13 #include <mono/metadata/exception.h>
  14 #include <mono/metadata/mono-debug.h>
  15 #include <mono/metadata/mono-debug-debugger.h>
  16 #include <mono/metadata/mono-endian.h>
  17
  18 #define SYMFILE_TABLE_CHUNK_SIZE        16
  19 #define RANGE_TABLE_CHUNK_SIZE          256
  20 #define CLASS_TABLE_CHUNK_SIZE          256
  21 #define TYPE_TABLE_PTR_CHUNK_SIZE       256
  22 #define TYPE_TABLE_CHUNK_SIZE           65536
  23 #define MISC_TABLE_PTR_CHUNK_SIZE       256
  24 #define MISC_TABLE_CHUNK_SIZE           65536
  25
  26 static guint32 debugger_lock_level = 0;
  27 static CRITICAL_SECTION debugger_lock_mutex;
  28 static gboolean mono_debugger_initialized = FALSE;
  29 static MonoObject *last_exception = NULL;
  30
  31 static gboolean must_reload_symtabs = FALSE;
  32 static gboolean builtin_types_initialized = FALSE;
  33
  34 static GHashTable *images = NULL;
  35 static GHashTable *type_table = NULL;
  36 static GHashTable *misc_table = NULL;
  37 static GHashTable *class_table = NULL;
  38 static GHashTable *class_info_table = NULL;
  39
  40 static MonoDebuggerRangeInfo *allocate_range_entry (MonoDebuggerSymbolFile *symfile);
  41 static MonoDebuggerClassInfo *allocate_class_entry (MonoDebuggerSymbolFile *symfile);
  42 static guint32 allocate_type_entry (MonoDebuggerSymbolTable *table, guint32 size, guint8 **ptr);
  43 static guint32 write_type (MonoDebuggerSymbolTable *table, MonoType *type);
  44 static guint32 do_write_class (MonoDebuggerSymbolTable *table, MonoClass *klass,
  45                                MonoDebuggerClassInfo *cinfo);
  46 static guint32 write_class (MonoDebuggerSymbolTable *table, MonoClass *klass);
  47
  48 MonoDebuggerSymbolTable *mono_debugger_symbol_table = NULL;
  49 void (*mono_debugger_event_handler) (MonoDebuggerEvent event, gpointer data, guint32 arg) = NULL;
  50
  51 #define WRITE_UINT32(ptr,value) G_STMT_START {  \
  52         * ((guint32 *) ptr) = value;            \
  53         ptr += 4;                               \
  54 } G_STMT_END
  55
  56 #define WRITE_POINTER(ptr,value) G_STMT_START { \
  57         * ((gpointer *) ptr) = (gpointer) (value); \
  58         ptr += sizeof (gpointer);               \
  59 } G_STMT_END
  60
  61 #define WRITE_STRING(ptr,value) G_STMT_START {  \
  62         memcpy (ptr, value, strlen (value)+1);  \
  63         ptr += strlen (value)+1;                \
  64 } G_STMT_END
  65
  66 typedef struct {
  67         gpointer stack_pointer;
  68         MonoObject *exception_obj;
  69         guint32 stop;
  70 } MonoDebuggerExceptionInfo;
  71
  72 #ifndef PLATFORM_WIN32
  73
  74 MonoDebuggerIOLayer mono_debugger_io_layer = {
  75         InitializeCriticalSection, DeleteCriticalSection, TryEnterCriticalSection,
  76         EnterCriticalSection, LeaveCriticalSection, WaitForSingleObjectEx, SignalObjectAndWait,
  77         WaitForMultipleObjectsEx, CreateSemaphore, ReleaseSemaphore, CreateThread,
  78         GetCurrentThreadId
  79 };
  80
  81 #endif
  82
  83 void
  84 mono_debugger_lock (void)
  85 {
  86         if (!mono_debugger_initialized) {
  87                 debugger_lock_level++;
  88                 return;
  89         }
  90
  91         EnterCriticalSection (&debugger_lock_mutex);
  92         debugger_lock_level++;
  93 }
  94
  95 void
  96 mono_debugger_unlock (void)
  97 {
  98         g_assert (debugger_lock_level > 0);
  99
 100         if (!mono_debugger_initialized) {
 101                 debugger_lock_level--;
 102                 return;
 103         }
 104
 105         if (debugger_lock_level == 1) {
 106                 if (must_reload_symtabs) {
 107                         mono_debugger_event (MONO_DEBUGGER_EVENT_RELOAD_SYMTABS, NULL, 0);
 108                         must_reload_symtabs = FALSE;
 109                 }
 110         }
 111
 112         debugger_lock_level--;
 113         LeaveCriticalSection (&debugger_lock_mutex);
 114 }
 115
 116 static MonoDebuggerSymbolFile *
 117 allocate_symbol_file_entry (MonoDebuggerSymbolTable *table)
 118 {
 119         MonoDebuggerSymbolFile *symfile;
 120
 121         if (!table->symbol_files)
 122                 table->symbol_files = g_new0 (MonoDebuggerSymbolFile *, SYMFILE_TABLE_CHUNK_SIZE);
 123         else if (!((table->num_symbol_files + 1) % SYMFILE_TABLE_CHUNK_SIZE)) {
 124                 guint32 chunks = (table->num_symbol_files + 1) / SYMFILE_TABLE_CHUNK_SIZE;
 125                 guint32 size = sizeof (MonoDebuggerSymbolFile *) * SYMFILE_TABLE_CHUNK_SIZE * (chunks + 1);
 126
 127                 table->symbol_files = g_realloc (table->symbol_files, size);
 128         }
 129
 130         symfile = g_new0 (MonoDebuggerSymbolFile, 1);
 131         symfile->index = table->num_symbol_files;
 132         symfile->range_entry_size = sizeof (MonoDebuggerRangeInfo);
 133         symfile->class_entry_size = sizeof (MonoDebuggerClassInfo);
 134         symfile->class_table_size = sizeof (MonoDebuggerClassTable);
 135         table->symbol_files [table->num_symbol_files++] = symfile;
 136         return symfile;
 137 }
 138
 139 void
 140 mono_debugger_initialize (void)
 141 {
 142         MonoDebuggerSymbolTable *symbol_table;
 143
 144         MONO_GC_REGISTER_ROOT (last_exception);
 145
 146         g_assert (!mono_debugger_initialized);
 147
 148         InitializeCriticalSection (&debugger_lock_mutex);
 149         mono_debugger_initialized = TRUE;
 150
 151         mono_debugger_lock ();
 152
 153         symbol_table = g_new0 (MonoDebuggerSymbolTable, 1);
 154         symbol_table->magic = MONO_DEBUGGER_MAGIC;
 155         symbol_table->version = MONO_DEBUGGER_VERSION;
 156         symbol_table->total_size = sizeof (MonoDebuggerSymbolTable);
 157
 158         images = g_hash_table_new (g_direct_hash, g_direct_equal);
 159         type_table = g_hash_table_new (g_direct_hash, g_direct_equal);
 160         misc_table = g_hash_table_new (g_direct_hash, g_direct_equal);
 161         class_table = g_hash_table_new (g_direct_hash, g_direct_equal);
 162         class_info_table = g_hash_table_new (g_direct_hash, g_direct_equal);
 163
 164         mono_debugger_symbol_table = symbol_table;
 165
 166         mono_debugger_unlock ();
 167 }
 168
 169 MonoDebuggerSymbolFile *
 170 mono_debugger_add_symbol_file (MonoDebugHandle *handle)
 171 {
 172         MonoDebuggerSymbolFile *info;
 173
 174         g_assert (mono_debugger_initialized);
 175         mono_debugger_lock ();
 176
 177         info = g_hash_table_lookup (images, handle->image);
 178         if (info) {
 179                 mono_debugger_unlock ();
 180                 return info;
 181         }
 182
 183         info = allocate_symbol_file_entry (mono_debugger_symbol_table);
 184         info->symfile = handle->symfile;
 185         info->image = handle->image;
 186         info->image_file = handle->image_file;
 187
 188         g_hash_table_insert (images, handle->image, info);
 189         mono_debugger_unlock ();
 190
 191         return info;
 192 }
 193
 194 static void
 195 write_builtin_type (MonoDebuggerSymbolTable *table, MonoDebuggerSymbolFile *symfile,
 196                     MonoClass *klass, MonoDebuggerBuiltinTypeInfo *info)
 197 {
 198         guint8 buffer [BUFSIZ], *ptr = buffer;
 199         guint32 size;
 200
 201         g_assert (!klass->init_pending);
 202         mono_class_init (klass);
 203
 204         switch (klass->byval_arg.type) {
 205         case MONO_TYPE_VOID:
 206                 *ptr++ = MONO_DEBUGGER_TYPE_KIND_UNKNOWN;
 207                 WRITE_UINT32 (ptr, 0);
 208                 ptr += 4;
 209                 break;
 210
 211         case MONO_TYPE_BOOLEAN:
 212         case MONO_TYPE_I1:
 213         case MONO_TYPE_U1:
 214         case MONO_TYPE_CHAR:
 215         case MONO_TYPE_I2:
 216         case MONO_TYPE_U2:
 217         case MONO_TYPE_I4:
 218         case MONO_TYPE_U4:
 219         case MONO_TYPE_R4:
 220         case MONO_TYPE_I8:
 221         case MONO_TYPE_U8:
 222         case MONO_TYPE_R8:
 223                 *ptr++ = MONO_DEBUGGER_TYPE_KIND_FUNDAMENTAL;
 224                 WRITE_UINT32 (ptr, klass->instance_size - sizeof (MonoObject));
 225                 ptr += 4;
 226                 break;
 227
 228         case MONO_TYPE_STRING: {
 229                 MonoString string;
 230
 231                 *ptr++ = MONO_DEBUGGER_TYPE_KIND_STRING;
 232                 WRITE_UINT32 (ptr, klass->instance_size);
 233                 ptr += 4;
 234                 *ptr++ = (guint8*)&string.length - (guint8*)&string;
 235                 *ptr++ = sizeof (string.length);
 236                 *ptr++ = (guint8*)&string.chars - (guint8*)&string;
 237
 238                 break;
 239         }
 240
 241         case MONO_TYPE_I:
 242         case MONO_TYPE_U:
 243                 *ptr++ = MONO_DEBUGGER_TYPE_KIND_FUNDAMENTAL;
 244                 WRITE_UINT32 (ptr, sizeof (void *));
 245                 ptr += 4;
 246                 break;
 247
 248         case MONO_TYPE_VALUETYPE:
 249                 *ptr++ = MONO_DEBUGGER_TYPE_KIND_STRUCT;
 250                 WRITE_UINT32 (ptr, klass->instance_size);
 251                 ptr += 4;
 252                 break;
 253
 254         case MONO_TYPE_CLASS:
 255                 *ptr++ = MONO_DEBUGGER_TYPE_KIND_CLASS;
 256                 WRITE_UINT32 (ptr, klass->instance_size);
 257                 ptr += 4;
 258                 break;
 259
 260         case MONO_TYPE_OBJECT:
 261                 g_assert (klass == mono_defaults.object_class);
 262                 *ptr++ = MONO_DEBUGGER_TYPE_KIND_OBJECT;
 263                 WRITE_UINT32 (ptr, klass->instance_size);
 264                 ptr += 4;
 265                 break;
 266
 267         default:
 268                 g_error (G_STRLOC ": Unknown builtin type %s.%s - %d", klass->name_space, klass->name, klass->byval_arg.type);
 269         }
 270
 271         size = ptr - buffer;
 272         info->type_info = allocate_type_entry (table, size, &info->type_data);
 273         memcpy (info->type_data, buffer, size);
 274
 275         info->centry->info = g_new0 (MonoDebuggerClassInfo, 1); //allocate_class_entry (symfile);
 276         info->centry->info->klass = klass;
 277         if (klass->rank) {
 278                 info->centry->info->token = klass->element_class->type_token;
 279                 info->centry->info->rank = klass->rank;
 280         } else
 281                 info->centry->info->token = klass->type_token;
 282         info->centry->info->type_info = info->type_info;
 283 }
 284
 285 static MonoDebuggerBuiltinTypeInfo *
 286 add_builtin_type (MonoDebuggerSymbolFile *symfile, MonoClass *klass)
 287 {
 288         MonoDebuggerClassEntry *centry;
 289         MonoDebuggerBuiltinTypeInfo *info;
 290
 291         centry = g_new0 (MonoDebuggerClassEntry, 1);
 292
 293         info = g_new0 (MonoDebuggerBuiltinTypeInfo, 1);
 294         info->klass = klass;
 295         info->centry = centry;
 296
 297         g_hash_table_insert (class_info_table, klass, centry);
 298
 299         write_builtin_type (mono_debugger_symbol_table, symfile, klass, info);
 300         return info;
 301 }
 302
 303 static void
 304 add_builtin_type_2 (MonoDebuggerBuiltinTypeInfo *info)
 305 {
 306         info->class_info = do_write_class (mono_debugger_symbol_table, info->klass, NULL);
 307         * (guint32 *) (info->type_data + 5) = info->class_info;
 308 }
 309
 310 static void
 311 add_exception_class (MonoDebuggerSymbolFile *symfile, MonoException *exc)
 312 {
 313         mono_debugger_start_add_type (symfile, ((MonoObject *) exc)->vtable->klass);
 314         mono_debugger_add_type (symfile, ((MonoObject *) exc)->vtable->klass);
 315 }
 316
 317 MonoDebuggerBuiltinTypes *
 318 mono_debugger_add_builtin_types (MonoDebuggerSymbolFile *symfile)
 319 {
 320         MonoDebuggerBuiltinTypes *types = g_new0 (MonoDebuggerBuiltinTypes, 1);
 321         MonoClass *klass;
 322
 323         mono_debugger_symbol_table->corlib = symfile;
 324         mono_debugger_symbol_table->builtin_types = types;
 325
 326         types->total_size = sizeof (MonoDebuggerBuiltinTypes);
 327         types->type_info_size = sizeof (MonoDebuggerBuiltinTypeInfo);
 328
 329         types->object_type = add_builtin_type (symfile, mono_defaults.object_class);
 330         klass = mono_class_from_name (mono_defaults.corlib, "System", "ValueType");
 331         g_assert (klass);
 332         types->valuetype_type = add_builtin_type (symfile, klass);
 333
 334         types->byte_type = add_builtin_type (symfile, mono_defaults.byte_class);
 335         types->void_type = add_builtin_type (symfile, mono_defaults.void_class);
 336         types->boolean_type = add_builtin_type (symfile, mono_defaults.boolean_class);
 337         types->sbyte_type = add_builtin_type (symfile, mono_defaults.sbyte_class);
 338         types->int16_type = add_builtin_type (symfile, mono_defaults.int16_class);
 339         types->uint16_type = add_builtin_type (symfile, mono_defaults.uint16_class);
 340         types->int32_type = add_builtin_type (symfile, mono_defaults.int32_class);
 341         types->uint32_type = add_builtin_type (symfile, mono_defaults.uint32_class);
 342         types->int_type = add_builtin_type (symfile, mono_defaults.int_class);
 343         types->uint_type = add_builtin_type (symfile, mono_defaults.uint_class);
 344         types->int64_type = add_builtin_type (symfile, mono_defaults.int64_class);
 345         types->uint64_type = add_builtin_type (symfile, mono_defaults.uint64_class);
 346         types->single_type = add_builtin_type (symfile, mono_defaults.single_class);
 347         types->double_type = add_builtin_type (symfile, mono_defaults.double_class);
 348         types->char_type = add_builtin_type (symfile, mono_defaults.char_class);
 349         types->string_type = add_builtin_type (symfile, mono_defaults.string_class);
 350
 351         klass = mono_class_from_name (mono_defaults.corlib, "System", "Type");
 352         g_assert (klass);
 353         types->type_type = add_builtin_type (symfile, klass);
 354
 355         types->enum_type = add_builtin_type (symfile, mono_defaults.enum_class);
 356         types->array_type = add_builtin_type (symfile, mono_defaults.array_class);
 357         types->exception_type = add_builtin_type (symfile, mono_defaults.exception_class);
 358
 359         add_builtin_type_2 (types->object_type);
 360         add_builtin_type_2 (types->valuetype_type);
 361
 362         add_builtin_type_2 (types->byte_type);
 363         add_builtin_type_2 (types->void_type);
 364         add_builtin_type_2 (types->boolean_type);
 365         add_builtin_type_2 (types->sbyte_type);
 366         add_builtin_type_2 (types->int16_type);
 367         add_builtin_type_2 (types->uint16_type);
 368         add_builtin_type_2 (types->int32_type);
 369         add_builtin_type_2 (types->uint32_type);
 370         add_builtin_type_2 (types->int_type);
 371         add_builtin_type_2 (types->uint_type);
 372         add_builtin_type_2 (types->int64_type);
 373         add_builtin_type_2 (types->uint64_type);
 374         add_builtin_type_2 (types->single_type);
 375         add_builtin_type_2 (types->double_type);
 376         add_builtin_type_2 (types->char_type);
 377         add_builtin_type_2 (types->string_type);
 378         add_builtin_type_2 (types->type_type);
 379
 380         add_builtin_type_2 (types->enum_type);
 381         add_builtin_type_2 (types->array_type);
 382         add_builtin_type_2 (types->exception_type);
 383
 384         add_exception_class (symfile, mono_get_exception_divide_by_zero ());
 385         add_exception_class (symfile, mono_get_exception_security ());
 386         add_exception_class (symfile, mono_get_exception_arithmetic ());
 387         add_exception_class (symfile, mono_get_exception_overflow ());
 388         add_exception_class (symfile, mono_get_exception_null_reference ());
 389         add_exception_class (symfile, mono_get_exception_thread_abort ());
 390         add_exception_class (symfile, mono_get_exception_invalid_cast ());
 391         add_exception_class (symfile, mono_get_exception_index_out_of_range ());
 392         add_exception_class (symfile, mono_get_exception_thread_abort ());
 393         add_exception_class (symfile, mono_get_exception_index_out_of_range ());
 394         add_exception_class (symfile, mono_get_exception_array_type_mismatch ());
 395         add_exception_class (symfile, mono_get_exception_missing_method ());
 396         add_exception_class (symfile, mono_get_exception_appdomain_unloaded ());
 397         add_exception_class (symfile, mono_get_exception_stack_overflow ());
 398
 399         builtin_types_initialized = TRUE;
 400
 401         return types;
 402 }
 403
 404 static guint32
 405 write_class (MonoDebuggerSymbolTable *table, MonoClass *klass)
 406 {
 407         MonoDebuggerClassEntry *centry;
 408
 409         centry = g_hash_table_lookup (class_info_table, klass);
 410         if (!centry) {
 411                 MonoDebuggerSymbolFile *symfile = _mono_debugger_get_symfile (klass->image);
 412
 413                 g_assert (symfile);
 414                 mono_debugger_start_add_type (symfile, klass);
 415                 centry = g_hash_table_lookup (class_info_table, klass);
 416         }
 417         g_assert (centry);
 418
 419         if (centry->info) {
 420                 g_assert (centry->info->type_info);
 421                 return centry->info->type_info;
 422         }
 423
 424         if (!centry->type_reference) {
 425                 guint8 *ptr;
 426
 427                 centry->type_reference = allocate_type_entry (table, 5, &ptr);
 428
 429                 *ptr++ = MONO_DEBUGGER_TYPE_KIND_REFERENCE;
 430                 WRITE_POINTER (ptr, klass);
 431         }
 432
 433         return centry->type_reference;
 434 }
 435
 436 void
 437 mono_debugger_start_add_type (MonoDebuggerSymbolFile *symfile, MonoClass *klass)
 438 {
 439         MonoDebuggerClassEntry *centry;
 440
 441         mono_debugger_lock ();
 442         centry = g_hash_table_lookup (class_info_table, klass);
 443         if (centry) {
 444                 mono_debugger_unlock ();
 445                 return;
 446         }
 447
 448         centry = g_new0 (MonoDebuggerClassEntry, 1);
 449         g_hash_table_insert (class_info_table, klass, centry);
 450         mono_debugger_unlock ();
 451 }
 452
 453 void
 454 mono_debugger_add_type (MonoDebuggerSymbolFile *symfile, MonoClass *klass)
 455 {
 456         MonoDebuggerClassEntry *centry;
 457
 458         mono_debugger_lock ();
 459         centry = g_hash_table_lookup (class_info_table, klass);
 460         g_assert (centry);
 461
 462         if (centry->info) {
 463                 mono_debugger_unlock ();
 464                 return;
 465         }
 466
 467         centry->info = allocate_class_entry (symfile);
 468         centry->info->klass = klass;
 469         if (klass->rank) {
 470                 centry->info->token = klass->element_class->type_token;
 471                 centry->info->rank = klass->rank;
 472         } else
 473                 centry->info->token = klass->type_token;
 474
 475         do_write_class (mono_debugger_symbol_table, klass, centry->info);
 476
 477         g_assert (centry->info && centry->info->type_info);
 478
 479         symfile->generation++;
 480         must_reload_symtabs = TRUE;
 481
 482         mono_debugger_unlock ();
 483 }
 484
 485 void
 486 mono_debugger_add_method (MonoDebuggerSymbolFile *symfile, MonoDebugMethodInfo *minfo,
 487                           MonoDebugMethodJitInfo *jit)
 488 {
 489         MonoSymbolFileMethodAddress *address;
 490         MonoSymbolFileLexicalBlockEntry *block;
 491         MonoDebugVarInfo *var_table;
 492         MonoDebuggerRangeInfo *range;
 493         MonoMethodHeader *header;
 494         guint32 size, num_variables, variable_size, variable_offset;
 495         guint32 type_size, type_offset, *type_index_table, has_this;
 496         guint32 line_size = 0, line_offset = 0, block_offset, block_size;
 497         MonoDebugLexicalBlockEntry *block_table;
 498         MonoDebugLineNumberEntry *line_table;
 499         guint32 *type_table;
 500         guint8 *ptr;
 501         int i;
 502
 503         if (!symfile->symfile->method_hash)
 504                 return;
 505
 506         header = ((MonoMethodNormal *) minfo->method)->header;
 507
 508         symfile->generation++;
 509
 510         size = sizeof (MonoSymbolFileMethodAddress);
 511
 512         num_variables = jit->num_params + read32(&(minfo->entry->_num_locals));
 513         has_this = jit->this_var != NULL;
 514
 515         variable_size = (num_variables + has_this) * sizeof (MonoDebugVarInfo);
 516         variable_offset = size;
 517         size += variable_size;
 518
 519         type_size = (num_variables + 1) * sizeof (gpointer);
 520         type_offset = size;
 521         size += type_size;
 522
 523         if (jit->line_numbers) {
 524                 line_offset = size;
 525                 line_size = jit->line_numbers->len * sizeof (MonoDebugLineNumberEntry);
 526                 size += line_size;
 527         }
 528
 529         block_size = read32(&(minfo->entry->_num_lexical_blocks)) * sizeof (MonoSymbolFileLexicalBlockEntry);
 530         block_offset = size;
 531         size += block_size;
 532
 533         address = g_malloc0 (size);
 534         ptr = (guint8 *) address;
 535
 536         block = (MonoSymbolFileLexicalBlockEntry *)
 537                 (symfile->symfile->raw_contents + read32(&(minfo->entry->_lexical_block_table_offset)));
 538         block_table = (MonoDebugLexicalBlockEntry *) (ptr + block_offset);
 539
 540         for (i = 0; i < read32(&(minfo->entry->_num_lexical_blocks)); i++, block++) {
 541                 block_table [i].start_address = _mono_debug_address_from_il_offset (jit, read32(&(block->_start_offset)));
 542                 block_table [i].end_address = _mono_debug_address_from_il_offset (jit, read32(&(block->_end_offset)));
 543         }
 544
 545         address->size = size;
 546         address->has_this = has_this;
 547         address->num_params = jit->num_params;
 548         address->start_address = jit->code_start;
 549         address->end_address = jit->code_start + jit->code_size;
 550         address->method_start_address = address->start_address + jit->prologue_end;
 551         address->method_end_address = address->start_address + jit->epilogue_begin;
 552         address->wrapper_address = jit->wrapper_addr;
 553         address->variable_table_offset = variable_offset;
 554         address->type_table_offset = type_offset;
 555         address->lexical_block_table_offset = block_offset;
 556
 557         if (jit->line_numbers) {
 558                 address->num_line_numbers = jit->line_numbers->len;
 559                 address->line_number_offset = line_offset;
 560
 561                 line_table = (MonoDebugLineNumberEntry *) (ptr + line_offset);
 562                 memcpy (line_table, jit->line_numbers->data, line_size);
 563         }
 564
 565         range = allocate_range_entry (symfile);
 566         range->index = minfo->index;
 567         range->start_address = address->start_address;
 568         range->end_address = address->end_address;
 569         range->dynamic_data = address;
 570         range->dynamic_size = size;
 571
 572         if ((minfo->method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) ||
 573             (minfo->method->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME) ||
 574             (minfo->method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL))
 575                 return;
 576
 577         var_table = (MonoDebugVarInfo *) (ptr + variable_offset);
 578         type_table = (guint32 *) (ptr + type_offset);
 579
 580         type_index_table = (guint32 *)
 581                 (symfile->symfile->raw_contents + read32(&(minfo->entry->_type_index_table_offset)));
 582
 583         if (jit->this_var)
 584                 *var_table++ = *jit->this_var;
 585         *type_table++ = write_type (mono_debugger_symbol_table, &minfo->method->klass->this_arg);
 586
 587         for (i = 0; i < jit->num_params; i++) {
 588                 *var_table++ = jit->params [i];
 589                 *type_table++ = write_type (mono_debugger_symbol_table, minfo->method->signature->params [i]);
 590         }
 591
 592         if (jit->num_locals < read32(&(minfo->entry->_num_locals))) {
 593                 g_warning (G_STRLOC ": Method %s.%s has %d locals, but symbol file claims it has %d.",
 594                            minfo->method->klass->name, minfo->method->name, jit->num_locals,
 595                            read32(&(minfo->entry->_num_locals)));
 596                 var_table += read32(&(minfo->entry->_num_locals));
 597         } else {
 598                 g_assert ((header != NULL) || (minfo->entry->_num_locals == 0));
 599                 for (i = 0; i < read32(&(minfo->entry->_num_locals)); i++) {
 600                         *var_table++ = jit->locals [i];
 601                         *type_table++ = write_type (mono_debugger_symbol_table, header->locals [i]);
 602                 }
 603         }
 604
 605         must_reload_symtabs = TRUE;
 606 }
 607
 608 static MonoDebuggerRangeInfo *
 609 allocate_range_entry (MonoDebuggerSymbolFile *symfile)
 610 {
 611         MonoDebuggerRangeInfo *retval;
 612         guint32 size, chunks;
 613
 614         if (!symfile->range_table) {
 615                 size = sizeof (MonoDebuggerRangeInfo) * RANGE_TABLE_CHUNK_SIZE;
 616                 symfile->range_table = g_malloc0 (size);
 617                 symfile->num_range_entries = 1;
 618                 return symfile->range_table;
 619         }
 620
 621         if (!((symfile->num_range_entries + 1) % RANGE_TABLE_CHUNK_SIZE)) {
 622                 chunks = (symfile->num_range_entries + 1) / RANGE_TABLE_CHUNK_SIZE;
 623                 size = sizeof (MonoDebuggerRangeInfo) * RANGE_TABLE_CHUNK_SIZE * (chunks + 1);
 624
 625                 symfile->range_table = g_realloc (symfile->range_table, size);
 626         }
 627
 628         retval = symfile->range_table + symfile->num_range_entries;
 629         symfile->num_range_entries++;
 630         return retval;
 631 }
 632
 633 static MonoDebuggerClassInfo *
 634 allocate_class_entry (MonoDebuggerSymbolFile *symfile)
 635 {
 636         MonoDebuggerClassInfo *retval;
 637         MonoDebuggerClassTable *table;
 638         guint32 size;
 639
 640         if (!symfile->class_table_start) {
 641                 table = g_new0 (MonoDebuggerClassTable, 1);
 642                 symfile->class_table_start = symfile->current_class_table = table;
 643
 644                 size = sizeof (MonoDebuggerClassInfo) * CLASS_TABLE_CHUNK_SIZE;
 645                 table->data = g_malloc0 (size);
 646                 table->size = CLASS_TABLE_CHUNK_SIZE;
 647                 table->index = 1;
 648
 649                 return table->data;
 650         }
 651
 652         table = symfile->current_class_table;
 653         if (table->index >= table->size) {
 654                 table = g_new0 (MonoDebuggerClassTable, 1);
 655
 656                 symfile->current_class_table->next = table;
 657                 symfile->current_class_table = table;
 658
 659                 size = sizeof (MonoDebuggerClassInfo) * CLASS_TABLE_CHUNK_SIZE;
 660                 table->data = g_malloc0 (size);
 661                 table->size = CLASS_TABLE_CHUNK_SIZE;
 662                 table->index = 1;
 663
 664                 return table->data;
 665         }
 666
 667         retval = table->data + table->index;
 668         table->index++;
 669         return retval;
 670 }
 671
 672 /*
 673  * Allocate a new entry of size `size' in the type table.
 674  * Returns the global offset which is to be used to reference this type and
 675  * a pointer (in the `ptr' argument) which is to be used to write the type.
 676  */
 677 static guint32
 678 allocate_type_entry (MonoDebuggerSymbolTable *table, guint32 size, guint8 **ptr)
 679 {
 680         guint32 retval;
 681         guint8 *data;
 682
 683         g_assert (size + 4 < TYPE_TABLE_CHUNK_SIZE);
 684         g_assert (ptr != NULL);
 685
 686         /* Initialize things if necessary. */
 687         if (!table->current_type_table) {
 688                 table->current_type_table = g_malloc0 (TYPE_TABLE_CHUNK_SIZE);
 689                 table->type_table_size = TYPE_TABLE_CHUNK_SIZE;
 690                 table->type_table_chunk_size = TYPE_TABLE_CHUNK_SIZE;
 691                 table->type_table_offset = MONO_DEBUGGER_TYPE_MAX + 1;
 692         }
 693
 694  again:
 695         /* First let's check whether there's still enough room in the current_type_table. */
 696         if (table->type_table_offset + size + 4 < table->type_table_size) {
 697                 retval = table->type_table_offset;
 698                 table->type_table_offset += size + 4;
 699                 data = ((guint8 *) table->current_type_table) + retval - table->type_table_start;
 700                 *(gint32 *) data = size;
 701                 data += sizeof(gint32);
 702                 *ptr = data;
 703                 return retval;
 704         }
 705
 706         /* Add the current_type_table to the type_tables vector and ... */
 707         if (!table->type_tables) {
 708                 guint32 tsize = sizeof (gpointer) * TYPE_TABLE_PTR_CHUNK_SIZE;
 709                 table->type_tables = g_malloc0 (tsize);
 710         }
 711
 712         if (!((table->num_type_tables + 1) % TYPE_TABLE_PTR_CHUNK_SIZE)) {
 713                 guint32 chunks = (table->num_type_tables + 1) / TYPE_TABLE_PTR_CHUNK_SIZE;
 714                 guint32 tsize = sizeof (gpointer) * TYPE_TABLE_PTR_CHUNK_SIZE * (chunks + 1);
 715
 716                 table->type_tables = g_realloc (table->type_tables, tsize);
 717         }
 718
 719         table->type_tables [table->num_type_tables++] = table->current_type_table;
 720
 721         /* .... allocate a new current_type_table. */
 722         table->current_type_table = g_malloc0 (TYPE_TABLE_CHUNK_SIZE);
 723         table->type_table_start = table->type_table_offset = table->type_table_size;
 724         table->type_table_size += TYPE_TABLE_CHUNK_SIZE;
 725
 726         goto again;
 727 }
 728
 729 /*
 730  * Allocate a new entry of size `size' in the misc table.
 731  * Returns the global offset which is to be used to reference this entry and
 732  * a pointer (in the `ptr' argument) which is to be used to write the entry.
 733  */
 734 static guint32
 735 allocate_misc_entry (MonoDebuggerSymbolTable *table, guint32 size, guint8 **ptr)
 736 {
 737         guint32 retval;
 738         guint8 *data;
 739
 740         g_assert (size + 4 < MISC_TABLE_CHUNK_SIZE);
 741         g_assert (ptr != NULL);
 742
 743         /* Initialize things if necessary. */
 744         if (!table->current_misc_table) {
 745                 table->current_misc_table = g_malloc0 (MISC_TABLE_CHUNK_SIZE);
 746                 table->misc_table_size = MISC_TABLE_CHUNK_SIZE;
 747                 table->misc_table_chunk_size = MISC_TABLE_CHUNK_SIZE;
 748                 table->misc_table_offset = 1;
 749         }
 750
 751  again:
 752         /* First let's check whether there's still enough room in the current_misc_table. */
 753         if (table->misc_table_offset + size + 4 < table->misc_table_size) {
 754                 retval = table->misc_table_offset;
 755                 table->misc_table_offset += size + 4;
 756                 data = ((guint8 *) table->current_misc_table) + retval - table->misc_table_start;
 757                 *(gint32 *) data = size;
 758                 data += sizeof(gint32);
 759                 *ptr = data;
 760                 return retval;
 761         }
 762
 763         /* Add the current_misc_table to the misc_tables vector and ... */
 764         if (!table->misc_tables) {
 765                 guint32 tsize = sizeof (gpointer) * MISC_TABLE_PTR_CHUNK_SIZE;
 766                 table->misc_tables = g_malloc0 (tsize);
 767         }
 768
 769         if (!((table->num_misc_tables + 1) % MISC_TABLE_PTR_CHUNK_SIZE)) {
 770                 guint32 chunks = (table->num_misc_tables + 1) / MISC_TABLE_PTR_CHUNK_SIZE;
 771                 guint32 tsize = sizeof (gpointer) * MISC_TABLE_PTR_CHUNK_SIZE * (chunks + 1);
 772
 773                 table->misc_tables = g_realloc (table->misc_tables, tsize);
 774         }
 775
 776         table->misc_tables [table->num_misc_tables++] = table->current_misc_table;
 777
 778         /* .... allocate a new current_misc_table. */
 779         table->current_misc_table = g_malloc0 (MISC_TABLE_CHUNK_SIZE);
 780         table->misc_table_start = table->misc_table_offset = table->misc_table_size;
 781         table->misc_table_size += MISC_TABLE_CHUNK_SIZE;
 782
 783         goto again;
 784 }
 785
 786 static gboolean
 787 property_is_static (MonoProperty *prop)
 788 {
 789         MonoMethod *method;
 790
 791         method = prop->get;
 792         if (!method)
 793                 method = prop->set;
 794
 795         return method->flags & METHOD_ATTRIBUTE_STATIC;
 796 }
 797
 798 static gboolean
 799 event_is_static (MonoEvent *ev)
 800 {
 801         MonoMethod *method;
 802
 803         method = ev->add;
 804
 805         return method->flags & METHOD_ATTRIBUTE_STATIC;
 806 }
 807
 808 static guint32
 809 do_write_class (MonoDebuggerSymbolTable *table, MonoClass *klass, MonoDebuggerClassInfo *cinfo)
 810 {
 811         guint8 buffer [BUFSIZ], *ptr = buffer, *old_ptr;
 812         GPtrArray *methods = NULL, *static_methods = NULL, *ctors = NULL, *cctors = NULL;
 813         int num_fields = 0, num_static_fields = 0, num_properties = 0, num_static_properties = 0;
 814         int num_events = 0, num_static_events = 0;
 815         int num_methods = 0, num_static_methods = 0, num_params = 0, num_static_params = 0, base_offset = 0;
 816         int num_ctors = 0, num_ctor_params = 0;
 817         int num_cctors = 0;
 818         int field_info_size = 0, static_field_info_size = 0, property_info_size = 0, event_info_size = 0, static_event_info_size = 0;
 819         int static_property_info_size = 0, method_info_size = 0, static_method_info_size = 0;
 820         int ctor_info_size = 0, cctor_info_size = 0, iface_info_size = 0;
 821         guint32 size, data_size, offset, data_offset;
 822         GHashTable *method_slots = NULL;
 823         int i;
 824
 825         if (klass->init_pending)
 826                 g_warning (G_STRLOC ": %p - %s.%s", klass, klass->name_space, klass->name);
 827         g_assert (!klass->init_pending);
 828         mono_class_init (klass);
 829
 830         offset = GPOINTER_TO_UINT (g_hash_table_lookup (class_table, klass));
 831         if (offset)
 832                 return offset;
 833
 834         if (klass->enumtype) {
 835                 offset = allocate_type_entry (table, 13, &ptr);
 836                 if (cinfo)
 837                         cinfo->type_info = offset;
 838                 g_hash_table_insert (class_table, klass, GUINT_TO_POINTER (offset));
 839
 840                 *ptr++ = MONO_DEBUGGER_TYPE_KIND_ENUM;
 841                 WRITE_UINT32 (ptr, klass->instance_size);
 842                 WRITE_UINT32 (ptr, MONO_DEBUGGER_TYPE_ENUM);
 843                 WRITE_UINT32 (ptr, write_type (table, klass->enum_basetype));
 844                 return offset;
 845         }
 846
 847         for (i = 0; i < klass->field.count; i++)
 848                 if (!(klass->fields [i].type->attrs & FIELD_ATTRIBUTE_STATIC))
 849                         ++num_fields;
 850                 else
 851                         ++num_static_fields;
 852
 853         for (i = 0; i < klass->property.count; i++)
 854                 if (!property_is_static (&klass->properties [i]))
 855                         ++num_properties;
 856                 else
 857                         ++num_static_properties;
 858
 859         for (i = 0; i < klass->event.count; i++)
 860                 if (!event_is_static (&klass->events [i]))
 861                         ++num_events;
 862                 else
 863                         ++num_static_events;
 864
 865         method_slots = g_hash_table_new (NULL, NULL);
 866         methods = g_ptr_array_new ();
 867         static_methods = g_ptr_array_new ();
 868         ctors = g_ptr_array_new ();
 869         cctors = g_ptr_array_new ();
 870
 871         for (i = 0; i < klass->method.count; i++) {
 872                 MonoMethod *method = klass->methods [i];
 873
 874                 if (!strcmp (method->name, ".cctor")) {
 875                         ++num_cctors;
 876                         g_ptr_array_add (cctors, method);
 877                         continue;
 878                 }
 879
 880                 if (!strcmp (method->name, ".ctor")) {
 881                         ++num_ctors;
 882                         num_ctor_params += method->signature->param_count;
 883                         g_ptr_array_add (ctors, method);
 884                         continue;
 885                 }
 886
 887                 if (method->flags & METHOD_ATTRIBUTE_SPECIAL_NAME)
 888                         continue;
 889
 890                 if (method->slot != -1) {
 891                         if (g_hash_table_lookup (method_slots, GUINT_TO_POINTER (method->slot)))
 892                                 continue;
 893                         g_hash_table_insert (method_slots, GUINT_TO_POINTER (method->slot), method);
 894                 }
 895
 896                 if (method->flags & METHOD_ATTRIBUTE_STATIC) {
 897                         ++num_static_methods;
 898                         num_static_params += method->signature->param_count;
 899                         g_ptr_array_add (static_methods, method);
 900                 } else {
 901                         ++num_methods;
 902                         num_params += method->signature->param_count;
 903                         g_ptr_array_add (methods, method);
 904                 }
 905         }
 906
 907         g_hash_table_destroy (method_slots);
 908
 909         field_info_size = num_fields * 8;
 910         static_field_info_size = num_static_fields * 8;
 911         property_info_size = num_properties * (4 + 2 * sizeof (gpointer));
 912         static_property_info_size = num_static_properties * (4 + 2 * sizeof (gpointer));
 913         event_info_size = num_events * (4 + 2 * sizeof (gpointer));
 914         static_event_info_size = num_static_events * (4 + 2 * sizeof (gpointer));
 915         method_info_size = num_methods * (2 * 4 + sizeof (gpointer)) + num_params * 4;
 916         static_method_info_size = num_static_methods * (2 * 4 + sizeof (gpointer)) +
 917                 num_static_params * 4;
 918         ctor_info_size = num_ctors * (2 * 4 + sizeof (gpointer)) + num_ctor_params * 4;
 919         cctor_info_size = num_cctors * (2 * 4 + sizeof (gpointer));
 920         iface_info_size = klass->interface_count * 4;
 921
 922         size = 98 + sizeof (gpointer) + field_info_size + static_field_info_size +
 923                 property_info_size + static_property_info_size + event_info_size +
 924                 static_event_info_size + method_info_size + static_method_info_size +
 925                 ctor_info_size + cctor_info_size + iface_info_size;
 926
 927         data_size = size;
 928
 929         offset = allocate_type_entry (table, data_size, &ptr);
 930         old_ptr = ptr;
 931
 932         if (cinfo)
 933                 cinfo->type_info = offset;
 934
 935         g_hash_table_insert (class_table, klass, GUINT_TO_POINTER (offset));
 936
 937         *ptr++ = MONO_DEBUGGER_TYPE_KIND_CLASS_INFO;
 938
 939         if (klass->valuetype)
 940                 base_offset = - sizeof (MonoObject);
 941
 942         WRITE_UINT32 (ptr, klass->instance_size + base_offset);
 943         *ptr++ = klass->valuetype;
 944         WRITE_POINTER (ptr, klass);
 945         data_offset = 0;
 946         WRITE_UINT32 (ptr, num_fields);
 947         WRITE_UINT32 (ptr, data_offset);
 948         data_offset += field_info_size;
 949         WRITE_UINT32 (ptr, num_properties);
 950         WRITE_UINT32 (ptr, data_offset);
 951         data_offset += property_info_size;
 952         WRITE_UINT32 (ptr, num_events);
 953         WRITE_UINT32 (ptr, data_offset);
 954         data_offset += event_info_size;
 955         WRITE_UINT32 (ptr, num_methods);
 956         WRITE_UINT32 (ptr, data_offset);
 957         data_offset += method_info_size;
 958         WRITE_UINT32 (ptr, num_static_fields);
 959         WRITE_UINT32 (ptr, data_offset);
 960         data_offset += static_field_info_size;
 961         WRITE_UINT32 (ptr, num_static_properties);
 962         WRITE_UINT32 (ptr, data_offset);
 963         data_offset += static_property_info_size;
 964         WRITE_UINT32 (ptr, num_static_events);
 965         WRITE_UINT32 (ptr, data_offset);
 966         data_offset += static_event_info_size;
 967         WRITE_UINT32 (ptr, num_static_methods);
 968         WRITE_UINT32 (ptr, data_offset);
 969         data_offset += static_method_info_size;
 970         WRITE_UINT32 (ptr, num_ctors);
 971         WRITE_UINT32 (ptr, data_offset);
 972         data_offset += ctor_info_size;
 973         WRITE_UINT32 (ptr, num_cctors);
 974         WRITE_UINT32 (ptr, data_offset);
 975         data_offset += cctor_info_size;
 976         WRITE_UINT32 (ptr, klass->interface_count);
 977         WRITE_UINT32 (ptr, data_offset);
 978         data_offset += iface_info_size;
 979
 980         if (klass->parent && (klass->parent != mono_defaults.object_class))
 981                 WRITE_UINT32 (ptr, write_class (table, klass->parent));
 982         else
 983                 WRITE_UINT32 (ptr, 0);
 984
 985         for (i = 0; i < klass->field.count; i++) {
 986                 if (klass->fields [i].type->attrs & FIELD_ATTRIBUTE_STATIC)
 987                         continue;
 988
 989                 WRITE_UINT32 (ptr, klass->fields [i].offset + base_offset);
 990                 WRITE_UINT32 (ptr, write_type (table, klass->fields [i].type));
 991         }
 992
 993         for (i = 0; i < klass->property.count; i++) {
 994                 if (property_is_static (&klass->properties [i]))
 995                         continue;
 996
 997                 if (klass->properties [i].get)
 998                         WRITE_UINT32 (ptr, write_type (table, klass->properties [i].get->signature->ret));
 999                 else
1000                         WRITE_UINT32 (ptr, 0);
1001                 WRITE_POINTER (ptr, klass->properties [i].get);
1002                 WRITE_POINTER (ptr, klass->properties [i].set);
1003         }
1004
1005         for (i = 0; i < klass->event.count; i++) {
1006                 if (event_is_static (&klass->events[i]))
1007                         continue;
1008
1009                 if (klass->events [i].add) {
1010                         WRITE_UINT32 (ptr, write_type (table, klass->events [i].add->signature->params[0]));
1011                 }
1012                 else {
1013                         g_warning ("event add method not defined");
1014                         WRITE_UINT32 (ptr, 0);
1015                 }
1016                 WRITE_POINTER (ptr, klass->events [i].add);
1017                 WRITE_POINTER (ptr, klass->events [i].remove);
1018                 /* raise?  other? */
1019         }
1020
1021         for (i = 0; i < methods->len; i++) {
1022                 MonoMethod *method = g_ptr_array_index (methods, i);
1023                 int j;
1024
1025                 WRITE_POINTER (ptr, method);
1026                 if ((method->signature->ret) && (method->signature->ret->type != MONO_TYPE_VOID))
1027                         WRITE_UINT32 (ptr, write_type (table, method->signature->ret));
1028                 else
1029                         WRITE_UINT32 (ptr, 0);
1030                 WRITE_UINT32 (ptr, method->signature->param_count);
1031                 for (j = 0; j < method->signature->param_count; j++)
1032                         WRITE_UINT32 (ptr, write_type (table, method->signature->params [j]));
1033         }
1034
1035         g_ptr_array_free (methods, FALSE);
1036
1037         for (i = 0; i < klass->field.count; i++) {
1038                 if (!(klass->fields [i].type->attrs & FIELD_ATTRIBUTE_STATIC))
1039                         continue;
1040
1041                 WRITE_UINT32 (ptr, klass->fields [i].offset);
1042                 WRITE_UINT32 (ptr, write_type (table, klass->fields [i].type));
1043         }
1044
1045         for (i = 0; i < klass->property.count; i++) {
1046                 if (!property_is_static (&klass->properties [i]))
1047                         continue;
1048
1049                 if (klass->properties [i].get)
1050                         WRITE_UINT32 (ptr, write_type (table, klass->properties [i].get->signature->ret));
1051                 else
1052                         WRITE_UINT32 (ptr, 0);
1053                 WRITE_POINTER (ptr, klass->properties [i].get);
1054                 WRITE_POINTER (ptr, klass->properties [i].set);
1055         }
1056
1057         for (i = 0; i < klass->event.count; i++) {
1058                 if (!event_is_static (&klass->events[i]))
1059                         continue;
1060
1061                 if (klass->events [i].add) {
1062                         WRITE_UINT32 (ptr, write_type (table, klass->events [i].add->signature->params[0]));
1063                 }
1064                 else {
1065                         g_warning ("event add method not defined");
1066                         WRITE_UINT32 (ptr, 0);
1067                 }
1068                 WRITE_POINTER (ptr, klass->events [i].add);
1069                 WRITE_POINTER (ptr, klass->events [i].remove);
1070                 /* raise?  other? */
1071         }
1072
1073         for (i = 0; i < static_methods->len; i++) {
1074                 MonoMethod *method = g_ptr_array_index (static_methods, i);
1075                 int j;
1076
1077                 WRITE_POINTER (ptr, method);
1078                 if ((method->signature->ret) && (method->signature->ret->type != MONO_TYPE_VOID))
1079                         WRITE_UINT32 (ptr, write_type (table, method->signature->ret));
1080                 else
1081                         WRITE_UINT32 (ptr, 0);
1082                 WRITE_UINT32 (ptr, method->signature->param_count);
1083                 for (j = 0; j < method->signature->param_count; j++)
1084                         WRITE_UINT32 (ptr, write_type (table, method->signature->params [j]));
1085         }
1086
1087         g_ptr_array_free (static_methods, FALSE);
1088
1089         for (i = 0; i < ctors->len; i++) {
1090                 MonoMethod *ctor = g_ptr_array_index (ctors, i);
1091                 int j;
1092
1093                 WRITE_POINTER (ptr, ctor);
1094                 WRITE_UINT32 (ptr, 0);
1095                 WRITE_UINT32 (ptr, ctor->signature->param_count);
1096                 for (j = 0; j < ctor->signature->param_count; j++)
1097                         WRITE_UINT32 (ptr, write_type (table, ctor->signature->params [j]));
1098         }
1099
1100         g_ptr_array_free (ctors, FALSE);
1101
1102         for (i = 0; i < cctors->len; i++) {
1103                 MonoMethod *cctor = g_ptr_array_index (cctors, i);
1104
1105                 WRITE_POINTER (ptr, cctor);
1106                 WRITE_UINT32 (ptr, 0);
1107                 WRITE_UINT32 (ptr, 0);
1108         }
1109
1110         g_ptr_array_free (cctors, FALSE);
1111
1112         for (i = 0; i < klass->interface_count; i++)
1113                 WRITE_UINT32 (ptr, write_class (table, klass->interfaces [i]));
1114
1115         if (ptr - old_ptr != data_size) {
1116                 g_warning (G_STRLOC ": %d,%d,%d", ptr - old_ptr, data_size, sizeof (gpointer));
1117                 if (klass)
1118                         g_warning (G_STRLOC ": %s.%s", klass->name_space, klass->name);
1119                 g_assert_not_reached ();
1120         }
1121
1122         return offset;
1123 }
1124
1125 /*
1126  * Adds type `type' to the type table and returns its offset.
1127  */
1128 static guint32
1129 write_type (MonoDebuggerSymbolTable *table, MonoType *type)
1130 {
1131         guint8 buffer [BUFSIZ], *ptr = buffer;
1132         guint32 size, offset;
1133         MonoClass *klass;
1134
1135         offset = GPOINTER_TO_UINT (g_hash_table_lookup (type_table, type));
1136         if (offset)
1137                 return offset;
1138
1139         klass = mono_class_from_mono_type (type);
1140         if (type->type == MONO_TYPE_CLASS)
1141                 return write_class (table, klass);
1142
1143         // mono_class_init (klass);
1144
1145         switch (type->type) {
1146         case MONO_TYPE_VOID:
1147                 return MONO_DEBUGGER_TYPE_VOID;
1148
1149         case MONO_TYPE_BOOLEAN:
1150                 return MONO_DEBUGGER_TYPE_BOOLEAN;
1151
1152         case MONO_TYPE_I1:
1153                 return MONO_DEBUGGER_TYPE_I1;
1154
1155         case MONO_TYPE_U1:
1156                 return MONO_DEBUGGER_TYPE_U1;
1157
1158         case MONO_TYPE_CHAR:
1159                 return MONO_DEBUGGER_TYPE_CHAR;
1160
1161         case MONO_TYPE_I2:
1162                 return MONO_DEBUGGER_TYPE_I2;
1163
1164         case MONO_TYPE_U2:
1165                 return MONO_DEBUGGER_TYPE_U2;
1166
1167         case MONO_TYPE_I4:
1168                 return MONO_DEBUGGER_TYPE_I4;
1169
1170         case MONO_TYPE_U4:
1171                 return MONO_DEBUGGER_TYPE_U4;
1172
1173         case MONO_TYPE_I8:
1174                 return MONO_DEBUGGER_TYPE_I8;
1175
1176         case MONO_TYPE_U8:
1177                 return MONO_DEBUGGER_TYPE_U8;
1178
1179         case MONO_TYPE_R4:
1180                 return MONO_DEBUGGER_TYPE_R4;
1181
1182         case MONO_TYPE_R8:
1183                 return MONO_DEBUGGER_TYPE_R8;
1184
1185         case MONO_TYPE_STRING:
1186                 return MONO_DEBUGGER_TYPE_STRING;
1187
1188         case MONO_TYPE_I:
1189                 return MONO_DEBUGGER_TYPE_I;
1190
1191         case MONO_TYPE_U:
1192                 return MONO_DEBUGGER_TYPE_U;
1193
1194         case MONO_TYPE_SZARRAY: {
1195                 MonoArray array;
1196
1197                 *ptr++ = MONO_DEBUGGER_TYPE_KIND_SZARRAY;
1198                 WRITE_UINT32 (ptr, sizeof (MonoArray));
1199                 WRITE_UINT32 (ptr, MONO_DEBUGGER_TYPE_ARRAY);
1200                 *ptr++ = (guint8*)&array.max_length - (guint8*)&array;
1201                 *ptr++ = sizeof (array.max_length);
1202                 *ptr++ = (guint8*)&array.vector - (guint8*)&array;
1203                 WRITE_UINT32 (ptr, write_type (table, &type->data.klass->byval_arg));
1204                 break;
1205         }
1206
1207         case MONO_TYPE_ARRAY: {
1208                 MonoArray array;
1209                 MonoArrayBounds bounds;
1210
1211                 *ptr++ = MONO_DEBUGGER_TYPE_KIND_ARRAY;
1212                 WRITE_UINT32 (ptr, sizeof (MonoArray));
1213                 WRITE_UINT32 (ptr, MONO_DEBUGGER_TYPE_ARRAY);
1214                 *ptr++ = (guint8*)&array.max_length - (guint8*)&array;
1215                 *ptr++ = sizeof (array.max_length);
1216                 *ptr++ = (guint8*)&array.vector - (guint8*)&array;
1217                 *ptr++ = klass->rank;
1218                 *ptr++ = (guint8*)&array.bounds - (guint8*)&array;
1219                 *ptr++ = sizeof (MonoArrayBounds);
1220                 *ptr++ = (guint8*)&bounds.lower_bound - (guint8*)&bounds;
1221                 *ptr++ = sizeof (bounds.lower_bound);
1222                 *ptr++ = (guint8*)&bounds.length - (guint8*)&bounds;
1223                 *ptr++ = sizeof (bounds.length);
1224                 WRITE_UINT32 (ptr, write_type (table, &type->data.array->eklass->byval_arg));
1225                 break;
1226         }
1227
1228         case MONO_TYPE_VALUETYPE:
1229         case MONO_TYPE_CLASS:
1230         case MONO_TYPE_GENERICINST:
1231         case MONO_TYPE_OBJECT:
1232                 return write_class (table, klass);
1233
1234         case MONO_TYPE_PTR:
1235                 *ptr++ = MONO_DEBUGGER_TYPE_KIND_POINTER;
1236                 WRITE_UINT32 (ptr, sizeof (gpointer));
1237                 WRITE_UINT32 (ptr, write_type (table, type->data.type));
1238                 break;
1239
1240         default:
1241                 /* g_message (G_STRLOC ": %s.%s - %p - %d", klass->name_space, klass->name, klass, type->type); */
1242                 *ptr++ = MONO_DEBUGGER_TYPE_KIND_UNKNOWN;
1243                 WRITE_UINT32 (ptr, klass->instance_size);
1244                 WRITE_UINT32 (ptr, write_class (table, klass));
1245                 break;
1246         }
1247
1248         size = ptr - buffer;
1249         offset = allocate_type_entry (mono_debugger_symbol_table, size, &ptr);
1250         memcpy (ptr, buffer, size);
1251
1252         return offset;
1253 }
1254
1255 MonoReflectionMethod *
1256 ves_icall_MonoDebugger_GetMethod (MonoReflectionAssembly *assembly, guint32 token)
1257 {
1258         MonoMethod *method;
1259
1260         method = mono_get_method (mono_assembly_get_image (assembly->assembly), token, NULL);
1261
1262         return mono_method_get_object (mono_domain_get (), method, NULL);
1263 }
1264
1265 int
1266 ves_icall_MonoDebugger_GetMethodToken (MonoReflectionAssembly *assembly, MonoReflectionMethod *method)
1267 {
1268         return method->method->token;
1269 }
1270
1271 MonoReflectionType *
1272 ves_icall_MonoDebugger_GetType (MonoReflectionAssembly *assembly, guint32 token)
1273 {
1274         MonoClass *klass;
1275
1276         klass = mono_class_get (mono_assembly_get_image (assembly->assembly), token);
1277         if (!klass) {
1278                 g_warning (G_STRLOC ": %x", token);
1279                 return NULL;
1280         }
1281
1282         return mono_type_get_object (mono_domain_get (), &klass->byval_arg);
1283 }
1284
1285 MonoReflectionType *
1286 ves_icall_MonoDebugger_GetLocalTypeFromSignature (MonoReflectionAssembly *assembly, MonoArray *signature)
1287 {
1288         MonoDomain *domain;
1289         MonoImage *image;
1290         MonoType *type;
1291         const char *ptr;
1292         int len = 0;
1293
1294         MONO_CHECK_ARG_NULL (assembly);
1295         MONO_CHECK_ARG_NULL (signature);
1296
1297         domain = mono_domain_get();
1298         image = mono_assembly_get_image (assembly->assembly);
1299
1300         ptr = mono_array_addr (signature, char, 0);
1301         g_assert (*ptr++ == 0x07);
1302         len = mono_metadata_decode_value (ptr, &ptr);
1303         g_assert (len == 1);
1304
1305         type = mono_metadata_parse_type (image, MONO_PARSE_LOCAL, 0, ptr, &ptr);
1306
1307         return mono_type_get_object (domain, type);
1308 }
1309
1310 void
1311 mono_debugger_event (MonoDebuggerEvent event, gpointer data, guint32 arg)
1312 {
1313         if (mono_debugger_event_handler)
1314                 (* mono_debugger_event_handler) (event, data, arg);
1315 }
1316
1317 void
1318 mono_debugger_cleanup (void)
1319 {
1320         /* Do nothing yet. */
1321 }
1322
1323 /*
1324  * Debugger breakpoint interface.
1325  *
1326  * This interface is used to insert breakpoints on methods which are not yet JITed.
1327  * The debugging code keeps a list of all such breakpoints and automatically inserts the
1328  * breakpoint when the method is JITed.
1329  */
1330
1331 static GPtrArray *breakpoints = NULL;
1332
1333 int
1334 mono_debugger_insert_breakpoint_full (MonoMethodDesc *desc)
1335 {
1336         static int last_breakpoint_id = 0;
1337         MonoDebuggerBreakpointInfo *info;
1338
1339         info = g_new0 (MonoDebuggerBreakpointInfo, 1);
1340         info->desc = desc;
1341         info->index = ++last_breakpoint_id;
1342
1343         if (!breakpoints)
1344                 breakpoints = g_ptr_array_new ();
1345
1346         g_ptr_array_add (breakpoints, info);
1347
1348         return info->index;
1349 }
1350
1351 int
1352 mono_debugger_remove_breakpoint (int breakpoint_id)
1353 {
1354         int i;
1355
1356         if (!breakpoints)
1357                 return 0;
1358
1359         for (i = 0; i < breakpoints->len; i++) {
1360                 MonoDebuggerBreakpointInfo *info = g_ptr_array_index (breakpoints, i);
1361
1362                 if (info->index != breakpoint_id)
1363                         continue;
1364
1365                 mono_method_desc_free (info->desc);
1366                 g_ptr_array_remove (breakpoints, info);
1367                 g_free (info);
1368                 return 1;
1369         }
1370
1371         return 0;
1372 }
1373
1374 int
1375 mono_debugger_insert_breakpoint (const gchar *method_name, gboolean include_namespace)
1376 {
1377         MonoMethodDesc *desc;
1378
1379         desc = mono_method_desc_new (method_name, include_namespace);
1380         if (!desc)
1381                 return 0;
1382
1383         return mono_debugger_insert_breakpoint_full (desc);
1384 }
1385
1386 int
1387 mono_debugger_method_has_breakpoint (MonoMethod *method)
1388 {
1389         int i;
1390
1391         if (!breakpoints || (method->wrapper_type != MONO_WRAPPER_NONE))
1392                 return 0;
1393
1394         for (i = 0; i < breakpoints->len; i++) {
1395                 MonoDebuggerBreakpointInfo *info = g_ptr_array_index (breakpoints, i);
1396
1397                 if (!mono_method_desc_full_match (info->desc, method))
1398                         continue;
1399
1400                 return info->index;
1401         }
1402
1403         return 0;
1404 }
1405
1406 void
1407 mono_debugger_breakpoint_callback (MonoMethod *method, guint32 index)
1408 {
1409         mono_debugger_event (MONO_DEBUGGER_EVENT_BREAKPOINT, method, index);
1410 }
1411
1412 gboolean
1413 mono_debugger_unhandled_exception (gpointer addr, gpointer stack, MonoObject *exc)
1414 {
1415         if (!mono_debugger_initialized)
1416                 return FALSE;
1417
1418         // Prevent the object from being finalized.
1419         last_exception = exc;
1420         mono_debugger_event (MONO_DEBUGGER_EVENT_UNHANDLED_EXCEPTION, exc, addr);
1421         return TRUE;
1422 }
1423
1424 void
1425 mono_debugger_handle_exception (gpointer addr, gpointer stack, MonoObject *exc)
1426 {
1427         MonoDebuggerExceptionInfo info;
1428
1429         if (!mono_debugger_initialized)
1430                 return;
1431
1432         // Prevent the object from being finalized.
1433         last_exception = exc;
1434
1435         info.stack_pointer = stack;
1436         info.exception_obj = exc;
1437         info.stop = 0;
1438
1439         mono_debugger_event (MONO_DEBUGGER_EVENT_EXCEPTION, &info, addr);
1440 }
1441
1442 gboolean
1443 mono_debugger_throw_exception (gpointer addr, gpointer stack, MonoObject *exc)
1444 {
1445         MonoDebuggerExceptionInfo info;
1446
1447         if (!mono_debugger_initialized)
1448                 return FALSE;
1449
1450         // Prevent the object from being finalized.
1451         last_exception = exc;
1452
1453         info.stack_pointer = stack;
1454         info.exception_obj = exc;
1455         info.stop = 0;
1456
1457         mono_debugger_event (MONO_DEBUGGER_EVENT_THROW_EXCEPTION, &info, addr);
1458         return info.stop != 0;
1459 }
1460
1461 static gchar *
1462 get_exception_message (MonoObject *exc)
1463 {
1464         char *message = NULL;
1465         MonoString *str;
1466         MonoMethod *method;
1467         MonoClass *klass;
1468         gint i;
1469
1470         if (mono_object_isinst (exc, mono_defaults.exception_class)) {
1471                 klass = exc->vtable->klass;
1472                 method = NULL;
1473                 while (klass && method == NULL) {
1474                         for (i = 0; i < klass->method.count; ++i) {
1475                                 method = klass->methods [i];
1476                                 if (!strcmp ("ToString", method->name) &&
1477                                     method->signature->param_count == 0 &&
1478                                     method->flags & METHOD_ATTRIBUTE_VIRTUAL &&
1479                                     method->flags & METHOD_ATTRIBUTE_PUBLIC) {
1480                                         break;
1481                                 }
1482                                 method = NULL;
1483                         }
1484
1485                         if (method == NULL)
1486                                 klass = klass->parent;
1487                 }
1488
1489                 g_assert (method);
1490
1491                 str = (MonoString *) mono_runtime_invoke (method, exc, NULL, NULL);
1492                 if (str)
1493                         message = mono_string_to_utf8 (str);
1494         }
1495
1496         return message;
1497 }
1498
1499 MonoObject *
1500 mono_debugger_runtime_invoke (MonoMethod *method, void *obj, void **params, MonoObject **exc)
1501 {
1502         MonoObject *retval;
1503         gchar *message;
1504
1505         if (!strcmp (method->name, ".ctor")) {
1506                 retval = obj = mono_object_new (mono_domain_get (), method->klass);
1507
1508                 mono_runtime_invoke (method, obj, params, exc);
1509         } else
1510                 retval = mono_runtime_invoke (method, obj, params, exc);
1511
1512         if (!exc || (*exc == NULL))
1513                 return retval;
1514
1515         message = get_exception_message (*exc);
1516         if (message) {
1517                 *exc = (MonoObject *) mono_string_new_wrapper (message);
1518                 g_free (message);
1519         }
1520
1521         return retval;
1522 }
1523
1524 guint32
1525 mono_debugger_lookup_type (const gchar *type_name)
1526 {
1527         int i;
1528
1529         mono_debugger_lock ();
1530
1531         for (i = 0; i < mono_debugger_symbol_table->num_symbol_files; i++) {
1532                 MonoDebuggerSymbolFile *symfile = mono_debugger_symbol_table->symbol_files [i];
1533                 MonoType *type;
1534                 guint32 offset;
1535                 gchar *name;
1536
1537                 name = g_strdup (type_name);
1538                 type = mono_reflection_type_from_name (name, symfile->image);
1539                 g_free (name);
1540                 if (!type)
1541                         continue;
1542
1543                 offset = write_type (mono_debugger_symbol_table, type);
1544
1545                 mono_debugger_unlock ();
1546                 return offset;
1547         }
1548
1549         mono_debugger_unlock ();
1550         return 0;
1551 }
1552
1553 gint32
1554 mono_debugger_lookup_assembly (const gchar *name)
1555 {
1556         MonoAssembly *assembly;
1557         MonoImageOpenStatus status;
1558         int i;
1559
1560         mono_debugger_lock ();
1561
1562  again:
1563         for (i = 0; i < mono_debugger_symbol_table->num_symbol_files; i++) {
1564                 MonoDebuggerSymbolFile *symfile = mono_debugger_symbol_table->symbol_files [i];
1565
1566                 if (!strcmp (symfile->image_file, name)) {
1567                         mono_debugger_unlock ();
1568                         return i;
1569                 }
1570         }
1571
1572         assembly = mono_assembly_open (name, &status);
1573
1574         if (status != MONO_IMAGE_OK) {
1575                 g_warning (G_STRLOC ": Cannot open image `%s'", name);
1576                 mono_debugger_unlock ();
1577                 return -1;
1578         }
1579
1580         must_reload_symtabs = TRUE;
1581         goto again;
1582 }
1583
1584 void
1585 mono_debugger_add_wrapper (MonoMethod *wrapper, MonoDebugMethodJitInfo *jit, gpointer addr)
1586 {
1587         guint32 size, offset;
1588         guint8 *ptr;
1589
1590         if (!mono_debugger_symbol_table)
1591                 return;
1592
1593         size = strlen (wrapper->name) + 5 + 5 * sizeof (gpointer);
1594
1595         offset = allocate_misc_entry (mono_debugger_symbol_table, size, &ptr);
1596
1597         WRITE_UINT32 (ptr, MONO_DEBUGGER_MISC_ENTRY_TYPE_WRAPPER);
1598         WRITE_STRING (ptr, wrapper->name);
1599         WRITE_POINTER (ptr, jit->code_start);
1600         WRITE_POINTER (ptr, jit->code_start + jit->code_size);
1601         WRITE_POINTER (ptr, addr);
1602         WRITE_POINTER (ptr, jit->code_start + jit->prologue_end);
1603         WRITE_POINTER (ptr, jit->code_start + jit->epilogue_begin);
1604 }