mono/mini/interpreter/transform.c

   1 /*
   2  * transform CIL into different opcodes for more
   3  * efficient interpretation
   4  *
   5  * Written by Bernie Solomon (bernard@ugsolutions.com)
   6  * Copyright (c) 2004.
   7  */
   8
   9 #include <string.h>
  10 #include <mono/metadata/appdomain.h>
  11 #include <mono/metadata/debug-helpers.h>
  12 #include <mono/metadata/exception.h>
  13 #include <mono/metadata/mono-endian.h>
  14 #include <mono/metadata/marshal.h>
  15 #include <mono/metadata/profiler-private.h>
  16 #include <mono/metadata/tabledefs.h>
  17
  18 #include <mono/mini/mini.h>
  19
  20 #include "mintops.h"
  21 #include "interp.h"
  22
  23 // TODO: export from marshal.c
  24 MonoDelegate* mono_ftnptr_to_delegate (MonoClass *klass, gpointer ftn);
  25
  26 #define DEBUG 0
  27
  28 typedef struct
  29 {
  30         MonoClass *klass;
  31         unsigned char type;
  32         unsigned char flags;
  33 } StackInfo;
  34
  35 typedef struct
  36 {
  37         MonoMethod *method;
  38         MonoMethodHeader *header;
  39         RuntimeMethod *rtm;
  40         const unsigned char *il_code;
  41         const unsigned char *ip;
  42         const unsigned char *last_ip;
  43         const unsigned char *in_start;
  44         int code_size;
  45         int *in_offsets;
  46         int *forward_refs;
  47         StackInfo **stack_state;
  48         int *stack_height;
  49         int *vt_stack_size;
  50         unsigned char *is_bb_start;
  51         unsigned short *new_code;
  52         unsigned short *new_code_end;
  53         unsigned short *new_ip;
  54         unsigned short *last_new_ip;
  55         unsigned int max_code_size;
  56         StackInfo *stack;
  57         StackInfo *sp;
  58         unsigned int max_stack_height;
  59         unsigned int vt_sp;
  60         unsigned int max_vt_sp;
  61         int n_data_items;
  62         int max_data_items;
  63         void **data_items;
  64         GHashTable *data_hash;
  65 } TransformData;
  66
  67 #define MINT_TYPE_I1 0
  68 #define MINT_TYPE_U1 1
  69 #define MINT_TYPE_I2 2
  70 #define MINT_TYPE_U2 3
  71 #define MINT_TYPE_I4 4
  72 #define MINT_TYPE_I8 5
  73 #define MINT_TYPE_R4 6
  74 #define MINT_TYPE_R8 7
  75 #define MINT_TYPE_O  8
  76 #define MINT_TYPE_P  9
  77 #define MINT_TYPE_VT 10
  78
  79 #define STACK_TYPE_I4 0
  80 #define STACK_TYPE_I8 1
  81 #define STACK_TYPE_R8 2
  82 #define STACK_TYPE_O  3
  83 #define STACK_TYPE_VT 4
  84 #define STACK_TYPE_MP 5
  85 #define STACK_TYPE_F  6
  86
  87 static const char *stack_type_string [] = { "I4", "I8", "R8", "O ", "VT", "MP", "F " };
  88
  89 #if SIZEOF_VOID_P == 8
  90 #define STACK_TYPE_I STACK_TYPE_I8
  91 #else
  92 #define STACK_TYPE_I STACK_TYPE_I4
  93 #endif
  94
  95 static int stack_type [] = {
  96         STACK_TYPE_I4, /*I1*/
  97         STACK_TYPE_I4, /*U1*/
  98         STACK_TYPE_I4, /*I2*/
  99         STACK_TYPE_I4, /*U2*/
 100         STACK_TYPE_I4, /*I4*/
 101         STACK_TYPE_I8, /*I8*/
 102         STACK_TYPE_R8, /*R4*/
 103         STACK_TYPE_R8, /*R8*/
 104         STACK_TYPE_O,  /*O*/
 105         STACK_TYPE_MP, /*P*/
 106         STACK_TYPE_VT
 107 };
 108
 109 static void
 110 grow_code (TransformData *td)
 111 {
 112         unsigned int old_ip_offset = td->new_ip - td->new_code;
 113         unsigned int old_last_ip_offset = td->last_new_ip - td->new_code;
 114         g_assert (old_ip_offset <= td->max_code_size);
 115         td->new_code = g_realloc (td->new_code, (td->max_code_size *= 2) * sizeof (td->new_code [0]));
 116         td->new_code_end = td->new_code + td->max_code_size;
 117         td->new_ip = td->new_code + old_ip_offset;
 118         td->last_new_ip = td->new_code + old_last_ip_offset;
 119 }
 120
 121 #define ENSURE_CODE(td, n) \
 122         do { \
 123                 if ((td)->new_ip + (n) > (td)->new_code_end) \
 124                         grow_code (td); \
 125         } while (0)
 126
 127 #define ADD_CODE(td, n) \
 128         do { \
 129                 if ((td)->new_ip == (td)->new_code_end) \
 130                         grow_code (td); \
 131                 *(td)->new_ip++ = (n); \
 132         } while (0)
 133
 134 #define CHECK_STACK(td, n) \
 135         do { \
 136                 int stack_size = (td)->sp - (td)->stack; \
 137                 if (stack_size < (n)) \
 138                         g_warning ("%s.%s: not enough values (%d < %d) on stack at %04x", \
 139                                 (td)->method->klass->name, (td)->method->name, \
 140                                 stack_size, n, (td)->ip - (td)->il_code); \
 141         } while (0)
 142
 143 #define ENSURE_I4(td, sp_off) \
 144         do { \
 145                 if ((td)->sp [-sp_off].type == STACK_TYPE_I8) \
 146                         ADD_CODE(td, sp_off == 1 ? MINT_CONV_I4_I8 : MINT_CONV_I4_I8_SP); \
 147         } while (0)
 148
 149 static void
 150 handle_branch(TransformData *td, int short_op, int long_op, int offset)
 151 {
 152         int shorten_branch = 0;
 153         int target = td->ip + offset - td->il_code;
 154         if (target < 0 || target >= td->code_size)
 155                 g_assert_not_reached ();
 156         if (offset > 0 && td->stack_height [target] < 0) {
 157                 td->stack_height [target] = td->sp - td->stack;
 158                 if (td->stack_height [target] > 0)
 159                         td->stack_state [target] = g_memdup (td->stack, td->stack_height [target] * sizeof (td->stack [0]));
 160                 td->vt_stack_size [target] = td->vt_sp;
 161         }
 162         if (offset < 0) {
 163                 offset = td->in_offsets [target] - (td->new_ip - td->new_code);
 164                 if (offset >= -32768) {
 165                         shorten_branch = 1;
 166                 }
 167         } else {
 168                 int prev = td->forward_refs [target];
 169                 td->forward_refs [td->ip - td->il_code] = prev;
 170                 td->forward_refs [target] = td->ip - td->il_code;
 171                 offset = 0;
 172                 if (td->header->code_size <= 25000) /* FIX to be precise somehow? */
 173                         shorten_branch = 1;
 174         }
 175         if (shorten_branch) {
 176                 ADD_CODE(td, short_op);
 177                 ADD_CODE(td, offset);
 178         } else {
 179                 ADD_CODE(td, long_op);
 180                 ADD_CODE(td, * (unsigned short *)(&offset));
 181                 ADD_CODE(td, * ((unsigned short *)&offset + 1));
 182         }
 183 }
 184
 185 static void
 186 one_arg_branch(TransformData *td, int mint_op, int offset)
 187 {
 188         int type = td->sp [-1].type == STACK_TYPE_O || td->sp [-1].type == STACK_TYPE_MP ? STACK_TYPE_I : td->sp [-1].type;
 189         int long_op = mint_op + type - STACK_TYPE_I4;
 190         int short_op = long_op + MINT_BRFALSE_I4_S - MINT_BRFALSE_I4;
 191         CHECK_STACK(td, 1);
 192         --td->sp;
 193         handle_branch (td, short_op, long_op, offset);
 194 }
 195
 196 static void
 197 two_arg_branch(TransformData *td, int mint_op, int offset)
 198 {
 199         int type1 = td->sp [-1].type == STACK_TYPE_O || td->sp [-1].type == STACK_TYPE_MP ? STACK_TYPE_I : td->sp [-1].type;
 200         int type2 = td->sp [-2].type == STACK_TYPE_O || td->sp [-2].type == STACK_TYPE_MP ? STACK_TYPE_I : td->sp [-2].type;
 201         int long_op = mint_op + type1 - STACK_TYPE_I4;
 202         int short_op = long_op + MINT_BEQ_I4_S - MINT_BEQ_I4;
 203         CHECK_STACK(td, 2);
 204         if (type1 == STACK_TYPE_I4 && type2 == STACK_TYPE_I8) {
 205                 ADD_CODE(td, MINT_CONV_I8_I4);
 206                 td->in_offsets [td->ip - td->il_code]++;
 207         } else if (type1 == STACK_TYPE_I8 && type2 == STACK_TYPE_I4) {
 208                 ADD_CODE(td, MINT_CONV_I8_I4_SP);
 209                 td->in_offsets [td->ip - td->il_code]++;
 210         } else if (type1 != type2) {
 211                 g_warning("%s.%s: branch type mismatch %d %d",
 212                         td->method->klass->name, td->method->name,
 213                         td->sp [-1].type, td->sp [-2].type);
 214         }
 215         td->sp -= 2;
 216         handle_branch (td, short_op, long_op, offset);
 217 }
 218
 219 static void
 220 unary_arith_op(TransformData *td, int mint_op)
 221 {
 222         int op = mint_op + td->sp [-1].type - STACK_TYPE_I4;
 223         CHECK_STACK(td, 1);
 224         ADD_CODE(td, op);
 225 }
 226
 227 static void
 228 binary_arith_op(TransformData *td, int mint_op)
 229 {
 230         int type1 = td->sp [-2].type;
 231         int type2 = td->sp [-1].type;
 232         int op;
 233 #if SIZEOF_VOID_P == 8
 234         if ((type1 == STACK_TYPE_MP || type1 == STACK_TYPE_I8) && type2 == STACK_TYPE_I4) {
 235                 ADD_CODE(td, MINT_CONV_I8_I4);
 236                 type2 = STACK_TYPE_I8;
 237         }
 238         if (type1 == STACK_TYPE_I4 && (type2 == STACK_TYPE_MP || type2 == STACK_TYPE_I8)) {
 239                 ADD_CODE(td, MINT_CONV_I8_I4_SP);
 240                 type1 = STACK_TYPE_I8;
 241                 td->sp [-2].type = STACK_TYPE_I8;
 242         }
 243 #endif
 244         if (type1 == STACK_TYPE_MP)
 245                 type1 = STACK_TYPE_I;
 246         if (type2 == STACK_TYPE_MP)
 247                 type2 = STACK_TYPE_I;
 248         if (type1 != type2) {
 249                 g_warning("%s.%s: %04x arith type mismatch %s %d %d",
 250                         td->method->klass->name, td->method->name,
 251                         td->ip - td->il_code, mono_interp_opname[mint_op], type1, type2);
 252         }
 253         op = mint_op + type1 - STACK_TYPE_I4;
 254         CHECK_STACK(td, 2);
 255         ADD_CODE(td, op);
 256         --td->sp;
 257 }
 258
 259 static void
 260 binary_int_op(TransformData *td, int mint_op)
 261 {
 262         int op = mint_op + td->sp [-1].type - STACK_TYPE_I4;
 263         CHECK_STACK(td, 2);
 264         if (td->sp [-1].type != td->sp [-2].type)
 265                 g_warning("%s.%s: int type mismatch", td->method->klass->name, td->method->name);
 266         ADD_CODE(td, op);
 267         --td->sp;
 268 }
 269
 270 static void
 271 shift_op(TransformData *td, int mint_op)
 272 {
 273         int op = mint_op + td->sp [-2].type - STACK_TYPE_I4;
 274         CHECK_STACK(td, 2);
 275         if (td->sp [-1].type != STACK_TYPE_I4) {
 276                 g_warning("%s.%s: shift type mismatch %d",
 277                         td->method->klass->name, td->method->name,
 278                         td->sp [-2].type);
 279         }
 280         ADD_CODE(td, op);
 281         --td->sp;
 282 }
 283
 284 static int
 285 mint_type(MonoType *type)
 286 {
 287         if (type->byref)
 288                 return MINT_TYPE_P;
 289 enum_type:
 290         switch (type->type) {
 291         case MONO_TYPE_I1:
 292                 return MINT_TYPE_I1;
 293         case MONO_TYPE_U1:
 294         case MONO_TYPE_BOOLEAN:
 295                 return MINT_TYPE_U1;
 296         case MONO_TYPE_I2:
 297                 return MINT_TYPE_I2;
 298         case MONO_TYPE_U2:
 299         case MONO_TYPE_CHAR:
 300                 return MINT_TYPE_U2;
 301         case MONO_TYPE_I4:
 302         case MONO_TYPE_U4:
 303                 return MINT_TYPE_I4;
 304         case MONO_TYPE_I:
 305         case MONO_TYPE_U:
 306 #if SIZEOF_VOID_P == 4
 307                 return MINT_TYPE_I4;
 308 #else
 309                 return MINT_TYPE_I8;
 310 #endif
 311         case MONO_TYPE_PTR:
 312                 return MINT_TYPE_P;
 313         case MONO_TYPE_R4:
 314                 return MINT_TYPE_R4;
 315         case MONO_TYPE_I8:
 316         case MONO_TYPE_U8:
 317                 return MINT_TYPE_I8;
 318         case MONO_TYPE_R8:
 319                 return MINT_TYPE_R8;
 320         case MONO_TYPE_STRING:
 321         case MONO_TYPE_SZARRAY:
 322         case MONO_TYPE_CLASS:
 323         case MONO_TYPE_OBJECT:
 324         case MONO_TYPE_ARRAY:
 325                 return MINT_TYPE_O;
 326         case MONO_TYPE_VALUETYPE:
 327                 if (type->data.klass->enumtype) {
 328                         type = mono_class_enum_basetype (type->data.klass);
 329                         goto enum_type;
 330                 } else
 331                         return MINT_TYPE_VT;
 332         case MONO_TYPE_GENERICINST:
 333                 type = &type->data.generic_class->container_class->byval_arg;
 334                 goto enum_type;
 335         default:
 336                 g_warning ("got type 0x%02x", type->type);
 337                 g_assert_not_reached ();
 338         }
 339         return -1;
 340 }
 341
 342 static int
 343 can_store (int stack_type, int var_type)
 344 {
 345         if (stack_type == STACK_TYPE_O || stack_type == STACK_TYPE_MP)
 346                 stack_type = STACK_TYPE_I;
 347         if (var_type == STACK_TYPE_O || var_type == STACK_TYPE_MP)
 348                 var_type = STACK_TYPE_I;
 349         return stack_type == var_type;
 350 }
 351
 352 #define SET_SIMPLE_TYPE(s, ty) \
 353         do { \
 354                 (s)->type = (ty); \
 355                 (s)->flags = 0; \
 356                 (s)->klass = NULL; \
 357         } while (0)
 358
 359 #define SET_TYPE(s, ty, k) \
 360         do { \
 361                 (s)->type = (ty); \
 362                 (s)->flags = 0; \
 363                 (s)->klass = k; \
 364         } while (0)
 365
 366 #define PUSH_SIMPLE_TYPE(td, ty) \
 367         do { \
 368                 int sp_height; \
 369                 (td)->sp++; \
 370                 sp_height = (td)->sp - (td)->stack; \
 371                 if (sp_height > (td)->max_stack_height) \
 372                         (td)->max_stack_height = sp_height; \
 373                 SET_SIMPLE_TYPE((td)->sp - 1, ty); \
 374         } while (0)
 375
 376 #define PUSH_TYPE(td, ty, k) \
 377         do { \
 378                 int sp_height; \
 379                 (td)->sp++; \
 380                 sp_height = (td)->sp - (td)->stack; \
 381                 if (sp_height > (td)->max_stack_height) \
 382                         (td)->max_stack_height = sp_height; \
 383                 SET_TYPE((td)->sp - 1, ty, k); \
 384         } while (0)
 385
 386 #define PUSH_VT(td, size) \
 387         do { \
 388                 (td)->vt_sp += ((size) + 7) & ~7; \
 389                 if ((td)->vt_sp > (td)->max_vt_sp) \
 390                         (td)->max_vt_sp = (td)->vt_sp; \
 391         } while (0)
 392
 393 #define POP_VT(td, size) \
 394         do { \
 395                 (td)->vt_sp -= ((size) + 7) & ~7; \
 396         } while (0)
 397
 398 #if NO_UNALIGNED_ACCESS
 399 #define WRITE32(td, v) \
 400         do { \
 401                 ENSURE_CODE(td, 2); \
 402                 * (guint16 *)((td)->new_ip) = * (guint16 *)(v); \
 403                 * ((guint16 *)((td)->new_ip) + 1) = * ((guint16 *)(v) + 1); \
 404                 (td)->new_ip += 2; \
 405         } while (0)
 406
 407 #define WRITE64(td, v) \
 408         do { \
 409                 ENSURE_CODE(td, 4); \
 410                 * (guint16 *)((td)->new_ip) = * (guint16 *)(v); \
 411                 * ((guint16 *)((td)->new_ip) + 1) = * ((guint16 *)(v) + 1); \
 412                 * ((guint16 *)((td)->new_ip) + 2) = * ((guint16 *)(v) + 2); \
 413                 * ((guint16 *)((td)->new_ip) + 3) = * ((guint16 *)(v) + 3); \
 414                 (td)->new_ip += 4; \
 415         } while (0)
 416 #else
 417 #define WRITE32(td, v) \
 418         do { \
 419                 ENSURE_CODE(td, 2); \
 420                 * (guint32 *)((td)->new_ip) = * (guint32 *)(v); \
 421                 (td)->new_ip += 2; \
 422         } while (0)
 423
 424 #define WRITE64(td, v) \
 425         do { \
 426                 ENSURE_CODE(td, 4); \
 427                 * (guint64 *)((td)->new_ip) = * (guint64 *)(v); \
 428                 (td)->new_ip += 4; \
 429         } while (0)
 430
 431 #endif
 432
 433 static void
 434 load_arg(TransformData *td, int n)
 435 {
 436         int mt;
 437         MonoClass *klass = NULL;
 438         MonoType *type;
 439
 440         gboolean hasthis = mono_method_signature (td->method)->hasthis;
 441         if (hasthis && n == 0)
 442                 type = &td->method->klass->byval_arg;
 443         else
 444                 type = mono_method_signature (td->method)->params [hasthis ? n - 1 : n];
 445
 446         mt = mint_type (type);
 447         if (mt == MINT_TYPE_VT) {
 448                 gint32 size;
 449                 klass = mono_class_from_mono_type (type);
 450                 if (mono_method_signature (td->method)->pinvoke)
 451                         size = mono_class_native_size (klass, NULL);
 452                 else
 453                         size = mono_class_value_size (klass, NULL);
 454
 455                 if (hasthis && n == 0) {
 456                         mt = MINT_TYPE_P;
 457                         ADD_CODE (td, MINT_LDARG_P);
 458                         ADD_CODE (td, td->rtm->arg_offsets [n]); /* FIX for large offset */
 459                         klass = NULL;
 460                 } else {
 461                         PUSH_VT (td, size);
 462                         ADD_CODE (td, MINT_LDARG_VT);
 463                         ADD_CODE (td, td->rtm->arg_offsets [n]); /* FIX for large offset */
 464                         WRITE32 (td, &size);
 465                 }
 466         } else {
 467                 ADD_CODE(td, MINT_LDARG_I1 + (mt - MINT_TYPE_I1));
 468                 ADD_CODE(td, td->rtm->arg_offsets [n]); /* FIX for large offset */
 469                 if (mt == MINT_TYPE_O)
 470                         klass = mono_class_from_mono_type (type);
 471         }
 472         PUSH_TYPE(td, stack_type[mt], klass);
 473 }
 474
 475 static void
 476 store_arg(TransformData *td, int n)
 477 {
 478         int mt;
 479         CHECK_STACK (td, 1);
 480         MonoType *type;
 481
 482         gboolean hasthis = mono_method_signature (td->method)->hasthis;
 483         if (hasthis && n == 0)
 484                 type = &td->method->klass->byval_arg;
 485         else
 486                 type = mono_method_signature (td->method)->params [n - !!hasthis];
 487
 488         mt = mint_type (type);
 489         if (mt == MINT_TYPE_VT) {
 490                 gint32 size;
 491                 g_error ("data.klass");
 492                 if (mono_method_signature (td->method)->pinvoke)
 493                         size = mono_class_native_size (type->data.klass, NULL);
 494                 else
 495                         size = mono_class_value_size (type->data.klass, NULL);
 496                 ADD_CODE(td, MINT_STARG_VT);
 497                 ADD_CODE(td, n);
 498                 WRITE32(td, &size);
 499                 if (td->sp [-1].type == STACK_TYPE_VT)
 500                         POP_VT(td, size);
 501         } else {
 502                 ADD_CODE(td, MINT_STARG_I1 + (mt - MINT_TYPE_I1));
 503                 ADD_CODE(td, td->rtm->arg_offsets [n]);
 504         }
 505         --td->sp;
 506 }
 507
 508 static void
 509 store_inarg(TransformData *td, int n)
 510 {
 511         MonoType *type;
 512         gboolean hasthis = mono_method_signature (td->method)->hasthis;
 513         if (hasthis && n == 0)
 514                 type = &td->method->klass->byval_arg;
 515         else
 516                 type = mono_method_signature (td->method)->params [n - !!hasthis];
 517
 518         int mt = mint_type (type);
 519         if (mt == MINT_TYPE_VT) {
 520                 if (hasthis && n == 0) {
 521                         ADD_CODE (td, MINT_STINARG_P);
 522                         ADD_CODE (td, n);
 523                         return;
 524                 }
 525                 MonoClass *klass = mono_class_from_mono_type (type);
 526                 gint32 size;
 527                 if (mono_method_signature (td->method)->pinvoke)
 528                         size = mono_class_native_size (klass, NULL);
 529                 else
 530                         size = mono_class_value_size (klass, NULL);
 531                 ADD_CODE(td, MINT_STINARG_VT);
 532                 ADD_CODE(td, n);
 533                 WRITE32(td, &size);
 534         } else {
 535                 ADD_CODE(td, MINT_STINARG_I1 + (mt - MINT_TYPE_I1));
 536                 ADD_CODE(td, n);
 537         }
 538 }
 539
 540 static void
 541 load_local(TransformData *td, int n)
 542 {
 543         MonoType *type = td->header->locals [n];
 544         int mt = mint_type (type);
 545         int offset = td->rtm->local_offsets [n];
 546         MonoClass *klass = NULL;
 547         if (mt == MINT_TYPE_VT) {
 548                 klass = mono_class_from_mono_type (type);
 549                 gint32 size = mono_class_value_size (klass, NULL);
 550                 PUSH_VT(td, size);
 551                 ADD_CODE(td, MINT_LDLOC_VT);
 552                 ADD_CODE(td, offset); /*FIX for large offset */
 553                 WRITE32(td, &size);
 554         } else {
 555                 g_assert (mt < MINT_TYPE_VT);
 556                 if (mt == MINT_TYPE_I4 && !td->is_bb_start [td->in_start - td->il_code] && td->last_new_ip != NULL &&
 557                         td->last_new_ip [0] == MINT_STLOC_I4 && td->last_new_ip [1] == offset) {
 558                         td->last_new_ip [0] = MINT_STLOC_NP_I4;
 559                 } else if (mt == MINT_TYPE_O && !td->is_bb_start [td->in_start - td->il_code] && td->last_new_ip != NULL &&
 560                         td->last_new_ip [0] == MINT_STLOC_O && td->last_new_ip [1] == offset) {
 561                         td->last_new_ip [0] = MINT_STLOC_NP_O;
 562                 } else {
 563                         ADD_CODE(td, MINT_LDLOC_I1 + (mt - MINT_TYPE_I1));
 564                         ADD_CODE(td, offset); /*FIX for large offset */
 565                 }
 566                 if (mt == MINT_TYPE_O)
 567                         klass = mono_class_from_mono_type (type);
 568         }
 569         PUSH_TYPE(td, stack_type[mt], klass);
 570 }
 571
 572 static void
 573 store_local(TransformData *td, int n)
 574 {
 575         MonoType *type = td->header->locals [n];
 576         int mt = mint_type (type);
 577         int offset = td->rtm->local_offsets [n];
 578         CHECK_STACK (td, 1);
 579 #if SIZEOF_VOID_P == 8
 580         if (td->sp [-1].type == STACK_TYPE_I4 && stack_type [mt] == STACK_TYPE_I8) {
 581                 ADD_CODE(td, MINT_CONV_I8_I4);
 582                 td->sp [-1].type = STACK_TYPE_I8;
 583         }
 584 #endif
 585         if (!can_store(td->sp [-1].type, stack_type [mt])) {
 586                 g_warning("%s.%s: Store local stack type mismatch %d %d",
 587                         td->method->klass->name, td->method->name,
 588                         stack_type [mt], td->sp [-1].type);
 589         }
 590         if (mt == MINT_TYPE_VT) {
 591                 MonoClass *klass = mono_class_from_mono_type (type);
 592                 gint32 size = mono_class_value_size (klass, NULL);
 593                 ADD_CODE(td, MINT_STLOC_VT);
 594                 ADD_CODE(td, offset); /*FIX for large offset */
 595                 WRITE32(td, &size);
 596                 if (td->sp [-1].type == STACK_TYPE_VT)
 597                         POP_VT(td, size);
 598         } else {
 599                 g_assert (mt < MINT_TYPE_VT);
 600                 ADD_CODE(td, MINT_STLOC_I1 + (mt - MINT_TYPE_I1));
 601                 ADD_CODE(td, offset); /*FIX for large offset */
 602         }
 603         --td->sp;
 604 }
 605
 606 #define SIMPLE_OP(td, op) \
 607         do { \
 608                 ADD_CODE(&td, op); \
 609                 ++td.ip; \
 610         } while (0)
 611
 612 static guint16
 613 get_data_item_index (TransformData *td, void *ptr)
 614 {
 615         gpointer p = g_hash_table_lookup (td->data_hash, ptr);
 616         guint index;
 617         if (p != NULL)
 618                 return GPOINTER_TO_UINT (p) - 1;
 619         if (td->max_data_items == td->n_data_items) {
 620                 td->max_data_items = td->n_data_items == 0 ? 16 : 2 * td->max_data_items;
 621                 td->data_items = g_realloc (td->data_items, td->max_data_items * sizeof(td->data_items [0]));
 622         }
 623         index = td->n_data_items;
 624         td->data_items [index] = ptr;
 625         ++td->n_data_items;
 626         g_hash_table_insert (td->data_hash, ptr, GUINT_TO_POINTER (index + 1));
 627         return index;
 628 }
 629
 630 static void
 631 interp_transform_call (TransformData *td, MonoMethod *method, MonoMethod *target_method, MonoDomain *domain, MonoGenericContext *generic_context, unsigned char *is_bb_start, int body_start_offset)
 632 {
 633         MonoImage *image = method->klass->image;
 634         MonoMethodSignature *csignature;
 635         MonoError error;
 636         int virtual = *td->ip == CEE_CALLVIRT;
 637         int calli = *td->ip == CEE_CALLI || *td->ip == CEE_MONO_CALLI_EXTRA_ARG;
 638         int i;
 639         guint32 vt_stack_used = 0;
 640         guint32 vt_res_size = 0;
 641         int op = -1;
 642         int native = 0;
 643         int is_void = 0;
 644
 645         guint32 token = read32 (td->ip + 1);
 646
 647         if (target_method == NULL) {
 648                 if (calli) {
 649                         CHECK_STACK(td, 1);
 650                         native = (method->wrapper_type != MONO_WRAPPER_DELEGATE_INVOKE && td->sp [-1].type == STACK_TYPE_I);
 651                         --td->sp;
 652                         if (method->wrapper_type != MONO_WRAPPER_NONE)
 653                                 csignature = (MonoMethodSignature *)mono_method_get_wrapper_data (method, token);
 654                         else
 655                                 csignature = mono_metadata_parse_signature (image, token);
 656                         target_method = NULL;
 657                 } else {
 658                         if (method->wrapper_type == MONO_WRAPPER_NONE)
 659                                 target_method = mono_get_method_full (image, token, NULL, generic_context);
 660                         else
 661                                 target_method = (MonoMethod *)mono_method_get_wrapper_data (method, token);
 662                         csignature = mono_method_signature (target_method);
 663                         if (target_method->klass == mono_defaults.string_class) {
 664                                 if (target_method->name [0] == 'g') {
 665                                         if (strcmp (target_method->name, "get_Chars") == 0)
 666                                                 op = MINT_GETCHR;
 667                                         else if (strcmp (target_method->name, "get_Length") == 0)
 668                                                 op = MINT_STRLEN;
 669                                 }
 670                         } else if (target_method->klass == mono_defaults.array_class) {
 671                                 if (strcmp (target_method->name, "get_Rank") == 0)
 672                                         op = MINT_ARRAY_RANK;
 673                                 else if (strcmp (target_method->name, "get_Length") == 0)
 674                                         op = MINT_LDLEN;
 675                         }
 676                 }
 677         } else {
 678                 csignature = mono_method_signature (target_method);
 679         }
 680
 681         CHECK_STACK (td, csignature->param_count + csignature->hasthis);
 682         if (!calli && (!virtual || (target_method->flags & METHOD_ATTRIBUTE_VIRTUAL) == 0) &&
 683                 (target_method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) == 0 &&
 684                 (target_method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) == 0) {
 685                 int called_inited = mono_class_vtable (domain, target_method->klass)->initialized;
 686                 MonoMethodHeader *mheader = mono_method_get_header (target_method);
 687
 688                 if (/*mono_metadata_signature_equal (method->signature, target_method->signature) */ method == target_method && *(td->ip + 5) == CEE_RET) {
 689                         int offset;
 690                         if (mono_interp_traceopt)
 691                                 g_print ("Optimize tail call of %s.%s\n", target_method->klass->name, target_method->name);
 692                         for (i = csignature->param_count - 1; i >= 0; --i)
 693                                 store_arg (td, i + csignature->hasthis);
 694
 695                         if (csignature->hasthis) {
 696                                 g_error ("STTHIS removal");
 697                                 // ADD_CODE(td, MINT_STTHIS);
 698                                 --td->sp;
 699                         }
 700                         ADD_CODE(td, MINT_BR_S);
 701                         offset = body_start_offset - ((td->new_ip - 1) - td->new_code);
 702                         ADD_CODE(td, offset);
 703                         if (!is_bb_start [td->ip + 5 - td->il_code])
 704                                 ++td->ip; /* gobble the CEE_RET if it isn't branched to */
 705                         td->ip += 5;
 706                         return;
 707                 } else {
 708                         /* mheader might not exist if this is a delegate invoc, etc */
 709                         if (mheader && *mheader->code == CEE_RET && called_inited) {
 710                                 if (mono_interp_traceopt)
 711                                         g_print ("Inline (empty) call of %s.%s\n", target_method->klass->name, target_method->name);
 712                                 for (i = 0; i < csignature->param_count; i++)
 713                                         ADD_CODE(td, MINT_POP); /*FIX: vt */
 714                                 if (csignature->hasthis) {
 715                                         if (virtual)
 716                                                 ADD_CODE(td, MINT_CKNULL);
 717                                         ADD_CODE(td, MINT_POP);
 718                                 }
 719                                 td->sp -= csignature->param_count + csignature->hasthis;
 720                                 td->ip += 5;
 721                                 return;
 722                         }
 723                 }
 724         }
 725         if (method->wrapper_type == MONO_WRAPPER_NONE && target_method != NULL) {
 726                 if (target_method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL)
 727                         target_method = mono_marshal_get_native_wrapper (target_method, FALSE, FALSE);
 728                 if (!virtual && target_method->iflags & METHOD_IMPL_ATTRIBUTE_SYNCHRONIZED)
 729                         target_method = mono_marshal_get_synchronized_wrapper (target_method);
 730         }
 731         g_assert (csignature->call_convention == MONO_CALL_DEFAULT || csignature->call_convention == MONO_CALL_C);
 732         td->sp -= csignature->param_count + !!csignature->hasthis;
 733         for (i = 0; i < csignature->param_count; ++i) {
 734                 if (td->sp [i + !!csignature->hasthis].type == STACK_TYPE_VT) {
 735                         gint32 size;
 736                         MonoClass *klass = mono_class_from_mono_type (csignature->params [i]);
 737                         if (csignature->pinvoke && method->wrapper_type != MONO_WRAPPER_NONE)
 738                                 size = mono_class_native_size (klass, NULL);
 739                         else
 740                                 size = mono_class_value_size (klass, NULL);
 741                         size = (size + 7) & ~7;
 742                         vt_stack_used += size;
 743                 }
 744         }
 745
 746         /* need to handle typedbyref ... */
 747         if (csignature->ret->type != MONO_TYPE_VOID) {
 748                 int mt = mint_type(csignature->ret);
 749                 MonoClass *klass = mono_class_from_mono_type (csignature->ret);
 750                 if (mt == MINT_TYPE_VT) {
 751                         if (csignature->pinvoke && method->wrapper_type != MONO_WRAPPER_NONE)
 752                                 vt_res_size = mono_class_native_size (klass, NULL);
 753                         else
 754                                 vt_res_size = mono_class_value_size (klass, NULL);
 755                         PUSH_VT(td, vt_res_size);
 756                 }
 757                 PUSH_TYPE(td, stack_type[mt], klass);
 758         } else
 759                 is_void = TRUE;
 760
 761         if (op >= 0) {
 762                 ADD_CODE(td, op);
 763 #if SIZEOF_VOID_P == 8
 764                 if (op == MINT_LDLEN)
 765                         ADD_CODE(td, MINT_CONV_I4_I8);
 766 #endif
 767         } else {
 768                 if (calli)
 769                         ADD_CODE(td, native ? MINT_CALLI_NAT : MINT_CALLI);
 770                 else if (virtual)
 771                         ADD_CODE(td, is_void ? MINT_VCALLVIRT : MINT_CALLVIRT);
 772                 else
 773                         ADD_CODE(td, is_void ? MINT_VCALL : MINT_CALL);
 774
 775                 if (calli) {
 776                         ADD_CODE(td, get_data_item_index (td, (void *)csignature));
 777                 } else {
 778                         ADD_CODE(td, get_data_item_index (td, (void *)mono_interp_get_runtime_method (domain, target_method, &error)));
 779                         mono_error_cleanup (&error); /* FIXME: don't swallow the error */
 780                 }
 781         }
 782         td->ip += 5;
 783         if (vt_stack_used != 0 || vt_res_size != 0) {
 784                 ADD_CODE(td, MINT_VTRESULT);
 785                 ADD_CODE(td, vt_res_size);
 786                 WRITE32(td, &vt_stack_used);
 787                 td->vt_sp -= vt_stack_used;
 788         }
 789 }
 790
 791 static void
 792 generate (MonoMethod *method, RuntimeMethod *rtm, unsigned char *is_bb_start)
 793 {
 794         MonoMethodHeader *header = mono_method_get_header (method);
 795         MonoMethodSignature *signature = mono_method_signature (method);
 796         MonoImage *image = method->klass->image;
 797         MonoDomain *domain = mono_domain_get ();
 798         MonoGenericContext *generic_context = NULL;
 799         MonoError error;
 800         int offset, mt;
 801         int i;
 802         int i32;
 803         MonoClass *klass;
 804         MonoClassField *field;
 805         const unsigned char *end;
 806         int new_in_start_offset;
 807         int body_start_offset;
 808         int target;
 809         guint32 token;
 810         TransformData td;
 811         int generating_code = 1;
 812
 813         if (mono_method_signature (method)->is_inflated)
 814                 generic_context = &((MonoMethodInflated *) method)->context;
 815
 816         memset(&td, 0, sizeof(td));
 817         td.method = method;
 818         td.rtm = rtm;
 819         td.is_bb_start = is_bb_start;
 820         td.il_code = header->code;
 821         td.code_size = header->code_size;
 822         td.header = header;
 823         td.max_code_size = td.code_size;
 824         td.new_code = (unsigned short *)g_malloc(td.max_code_size * sizeof(gushort));
 825         td.new_code_end = td.new_code + td.max_code_size;
 826         td.in_offsets = g_malloc0(header->code_size * sizeof(int));
 827         td.forward_refs = g_malloc(header->code_size * sizeof(int));
 828         td.stack_state = g_malloc0(header->code_size * sizeof(StackInfo *));
 829         td.stack_height = g_malloc(header->code_size * sizeof(int));
 830         td.vt_stack_size = g_malloc(header->code_size * sizeof(int));
 831         td.n_data_items = 0;
 832         td.max_data_items = 0;
 833         td.data_items = NULL;
 834         td.data_hash = g_hash_table_new (NULL, NULL);
 835         rtm->data_items = td.data_items;
 836         for (i = 0; i < header->code_size; i++) {
 837                 td.forward_refs [i] = -1;
 838                 td.stack_height [i] = -1;
 839         }
 840         td.new_ip = td.new_code;
 841         td.last_new_ip = NULL;
 842
 843         td.stack = g_malloc0(header->max_stack * sizeof(td.stack[0]));
 844         td.sp = td.stack;
 845         td.max_stack_height = 0;
 846
 847         for (i = 0; i < header->num_clauses; i++) {
 848                 MonoExceptionClause *c = header->clauses + i;
 849                 td.stack_height [c->handler_offset] = 0;
 850                 td.vt_stack_size [c->handler_offset] = 0;
 851                 td.is_bb_start [c->handler_offset] = 1;
 852                 if (c->flags == MONO_EXCEPTION_CLAUSE_NONE) {
 853                         td.stack_height [c->handler_offset] = 1;
 854                         td.stack_state [c->handler_offset] = g_malloc0(sizeof(StackInfo));
 855                         td.stack_state [c->handler_offset][0].type = STACK_TYPE_O;
 856                         td.stack_state [c->handler_offset][0].klass = NULL; /*FIX*/
 857                 }
 858         }
 859
 860         td.ip = header->code;
 861         end = td.ip + header->code_size;
 862
 863         if (mono_interp_traceopt) {
 864                 char *tmp = mono_disasm_code (NULL, method, td.ip, end);
 865                 char *name = mono_method_full_name (method, TRUE);
 866                 g_print ("Method %s, original code:\n", name);
 867                 g_print ("%s\n", tmp);
 868                 g_free (tmp);
 869                 g_free (name);
 870         }
 871
 872         if (signature->hasthis)
 873                 store_inarg (&td, 0);
 874         for (i = 0; i < signature->param_count; i++)
 875                 store_inarg (&td, i + !!signature->hasthis);
 876
 877         body_start_offset = td.new_ip - td.new_code;
 878
 879         for (i = 0; i < header->num_locals; i++) {
 880                 int mt = mint_type(header->locals [i]);
 881                 if (mt == MINT_TYPE_VT || mt == MINT_TYPE_O) {
 882                         ADD_CODE(&td, MINT_INITLOCALS);
 883                         break;
 884                 }
 885         }
 886
 887         while (td.ip < end) {
 888                 int in_offset;
 889
 890                 g_assert (td.sp >= td.stack);
 891                 g_assert (td.vt_sp < 0x10000000);
 892                 in_offset = td.ip - header->code;
 893                 td.in_offsets [in_offset] = td.new_ip - td.new_code;
 894                 new_in_start_offset = td.new_ip - td.new_code;
 895                 td.in_start = td.ip;
 896                 while (td.forward_refs [in_offset] >= 0) {
 897                         int j = td.forward_refs [in_offset];
 898                         int slot;
 899                         td.forward_refs [in_offset] = td.forward_refs [j];
 900                         if (td.in_offsets [j] < 0) {
 901                                 int old_switch_offset = -td.in_offsets [j];
 902                                 int new_switch_offset = td.in_offsets [old_switch_offset];
 903                                 int switch_case = (j - old_switch_offset - 5) / 4;
 904                                 int n_cases = read32 (header->code + old_switch_offset + 1);
 905                                 offset = (td.new_ip - td.new_code) - (new_switch_offset + 2 * n_cases + 3);
 906                                 slot = new_switch_offset + 3 + 2 * switch_case;
 907                                 td.new_code [slot] = * (unsigned short *)(&offset);
 908                                 td.new_code [slot + 1] = * ((unsigned short *)&offset + 1);
 909                         } else {
 910                                 int op = td.new_code [td.in_offsets [j]];
 911                                 if (mono_interp_opargtype [op] == MintOpShortBranch) {
 912                                         offset = (td.new_ip - td.new_code) - td.in_offsets [j];
 913                                         g_assert (offset <= 32767);
 914                                         slot = td.in_offsets [j] + 1;
 915                                         td.new_code [slot] = offset;
 916                                 } else {
 917                                         offset = (td.new_ip - td.new_code) - td.in_offsets [j];
 918                                         slot = td.in_offsets [j] + 1;
 919                                         td.new_code [slot] = * (unsigned short *)(&offset);
 920                                         td.new_code [slot + 1] = * ((unsigned short *)&offset + 1);
 921                                 }
 922                         }
 923                 }
 924                 if (td.stack_height [in_offset] >= 0) {
 925                         g_assert (is_bb_start [in_offset]);
 926                         if (td.stack_height [in_offset] > 0)
 927                                 memcpy (td.stack, td.stack_state [in_offset], td.stack_height [in_offset] * sizeof(td.stack [0]));
 928                         td.sp = td.stack + td.stack_height [in_offset];
 929                         td.vt_sp = td.vt_stack_size [in_offset];
 930                 }
 931                 if (is_bb_start [in_offset]) {
 932                         generating_code = 1;
 933                 }
 934                 if (!generating_code) {
 935                         while (td.ip < end && !is_bb_start [td.ip - td.il_code])
 936                                 ++td.ip;
 937                         continue;
 938                 }
 939                 if (mono_interp_traceopt > 1) {
 940                         printf("IL_%04lx %s %-10s -> IL_%04lx, sp %ld, %s %-12s vt_sp %u (max %u)\n",
 941                                 td.ip - td.il_code,
 942                                 td.is_bb_start [td.ip - td.il_code] == 3 ? "<>" :
 943                                 td.is_bb_start [td.ip - td.il_code] == 2 ? "< " :
 944                                 td.is_bb_start [td.ip - td.il_code] == 1 ? " >" : "  ",
 945                                 mono_opcode_name (*td.ip), td.new_ip - td.new_code, td.sp - td.stack,
 946                                 td.sp > td.stack ? stack_type_string [td.sp [-1].type] : "  ",
 947                                 (td.sp > td.stack && (td.sp [-1].type == STACK_TYPE_O || td.sp [-1].type == STACK_TYPE_VT)) ? (td.sp [-1].klass == NULL ? "?" : td.sp [-1].klass->name) : "",
 948                                 td.vt_sp, td.max_vt_sp);
 949                 }
 950                 switch (*td.ip) {
 951                 case CEE_NOP:
 952                         /* lose it */
 953                         ++td.ip;
 954                         break;
 955                 case CEE_BREAK:
 956                         SIMPLE_OP(td, MINT_BREAK);
 957                         break;
 958                 case CEE_LDARG_0:
 959                 case CEE_LDARG_1:
 960                 case CEE_LDARG_2:
 961                 case CEE_LDARG_3:
 962                         load_arg (&td, *td.ip - CEE_LDARG_0);
 963                         ++td.ip;
 964                         break;
 965                 case CEE_LDLOC_0:
 966                 case CEE_LDLOC_1:
 967                 case CEE_LDLOC_2:
 968                 case CEE_LDLOC_3:
 969                         load_local (&td, *td.ip - CEE_LDLOC_0);
 970                         ++td.ip;
 971                         break;
 972                 case CEE_STLOC_0:
 973                 case CEE_STLOC_1:
 974                 case CEE_STLOC_2:
 975                 case CEE_STLOC_3:
 976                         store_local (&td, *td.ip - CEE_STLOC_0);
 977                         ++td.ip;
 978                         break;
 979                 case CEE_LDARG_S:
 980                         load_arg (&td, ((guint8 *)td.ip)[1]);
 981                         td.ip += 2;
 982                         break;
 983                 case CEE_LDARGA_S: {
 984                         int n = ((guint8 *)td.ip)[1];
 985                         if (n == 0 && signature->hasthis) {
 986                                 g_error ("LDTHISA: NOPE");
 987                                 ADD_CODE(&td, MINT_LDTHISA);
 988                         }
 989                         else {
 990                                 ADD_CODE(&td, MINT_LDARGA);
 991                                 ADD_CODE(&td, td.rtm->arg_offsets [n - signature->hasthis]);
 992                         }
 993                         PUSH_SIMPLE_TYPE(&td, STACK_TYPE_MP);
 994                         td.ip += 2;
 995                         break;
 996                 }
 997                 case CEE_STARG_S:
 998                         store_arg (&td, ((guint8 *)td.ip)[1]);
 999                         td.ip += 2;
1000                         break;
1001                 case CEE_LDLOC_S:
1002                         load_local (&td, ((guint8 *)td.ip)[1]);
1003                         td.ip += 2;
1004                         break;
1005                 case CEE_LDLOCA_S:
1006                         ADD_CODE(&td, MINT_LDLOCA_S);
1007                         ADD_CODE(&td, td.rtm->local_offsets [((guint8 *)td.ip)[1]]);
1008                         PUSH_SIMPLE_TYPE(&td, STACK_TYPE_MP);
1009                         td.ip += 2;
1010                         break;
1011                 case CEE_STLOC_S:
1012                         store_local (&td, ((guint8 *)td.ip)[1]);
1013                         td.ip += 2;
1014                         break;
1015                 case CEE_LDNULL:
1016                         SIMPLE_OP(td, MINT_LDNULL);
1017                         PUSH_TYPE(&td, STACK_TYPE_O, NULL);
1018                         break;
1019                 case CEE_LDC_I4_M1:
1020                         SIMPLE_OP(td, MINT_LDC_I4_M1);
1021                         PUSH_SIMPLE_TYPE(&td, STACK_TYPE_I4);
1022                         break;
1023                 case CEE_LDC_I4_0:
1024                         if (!td.is_bb_start[td.ip + 1 - td.il_code] && td.ip [1] == 0xfe && td.ip [2] == CEE_CEQ &&
1025                                 td.sp > td.stack && td.sp [-1].type == STACK_TYPE_I4) {
1026                                 SIMPLE_OP(td, MINT_CEQ0_I4);
1027                                 td.ip += 2;
1028                         } else {
1029                                 SIMPLE_OP(td, MINT_LDC_I4_0);
1030                                 PUSH_SIMPLE_TYPE(&td, STACK_TYPE_I4);
1031                         }
1032                         break;
1033                 case CEE_LDC_I4_1:
1034                         if (!td.is_bb_start[td.ip + 1 - td.il_code] &&
1035                                 (td.ip [1] == CEE_ADD || td.ip [1] == CEE_SUB) && td.sp [-1].type == STACK_TYPE_I4) {
1036                                 ADD_CODE(&td, td.ip [1] == CEE_ADD ? MINT_ADD1_I4 : MINT_SUB1_I4);
1037                                 td.ip += 2;
1038                         } else {
1039                                 SIMPLE_OP(td, MINT_LDC_I4_1);
1040                                 PUSH_SIMPLE_TYPE(&td, STACK_TYPE_I4);
1041                         }
1042                         break;
1043                 case CEE_LDC_I4_2:
1044                 case CEE_LDC_I4_3:
1045                 case CEE_LDC_I4_4:
1046                 case CEE_LDC_I4_5:
1047                 case CEE_LDC_I4_6:
1048                 case CEE_LDC_I4_7:
1049                 case CEE_LDC_I4_8:
1050                         SIMPLE_OP(td, (*td.ip - CEE_LDC_I4_0) + MINT_LDC_I4_0);
1051                         PUSH_SIMPLE_TYPE(&td, STACK_TYPE_I4);
1052                         break;
1053                 case CEE_LDC_I4_S:
1054                         ADD_CODE(&td, MINT_LDC_I4_S);
1055                         ADD_CODE(&td, ((gint8 *) td.ip) [1]);
1056                         td.ip += 2;
1057                         PUSH_SIMPLE_TYPE(&td, STACK_TYPE_I4);
1058                         break;
1059                 case CEE_LDC_I4:
1060                         i32 = read32 (td.ip + 1);
1061                         ADD_CODE(&td, MINT_LDC_I4);
1062                         WRITE32(&td, &i32);
1063                         td.ip += 5;
1064                         PUSH_SIMPLE_TYPE(&td, STACK_TYPE_I4);
1065                         break;
1066                 case CEE_LDC_I8: {
1067                         gint64 val = read64 (td.ip + 1);
1068                         ADD_CODE(&td, MINT_LDC_I8);
1069                         WRITE64(&td, &val);
1070                         td.ip += 9;
1071                         PUSH_SIMPLE_TYPE(&td, STACK_TYPE_I8);
1072                         break;
1073                 }
1074                 case CEE_LDC_R4: {
1075                         float val;
1076                         readr4 (td.ip + 1, &val);
1077                         ADD_CODE(&td, MINT_LDC_R4);
1078                         WRITE32(&td, &val);
1079                         td.ip += 5;
1080                         PUSH_SIMPLE_TYPE(&td, STACK_TYPE_R8);
1081                         break;
1082                 }
1083                 case CEE_LDC_R8: {
1084                         double val;
1085                         readr8 (td.ip + 1, &val);
1086                         ADD_CODE(&td, MINT_LDC_R8);
1087                         WRITE64(&td, &val);
1088                         td.ip += 9;
1089                         PUSH_SIMPLE_TYPE(&td, STACK_TYPE_R8);
1090                         break;
1091                 }
1092                 case CEE_DUP: {
1093                         int type = td.sp [-1].type;
1094                         MonoClass *klass = td.sp [-1].klass;
1095                         if (td.sp [-1].type == STACK_TYPE_VT) {
1096                                 gint32 size = mono_class_value_size (klass, NULL);
1097                                 PUSH_VT(&td, size);
1098                                 ADD_CODE(&td, MINT_DUP_VT);
1099                                 WRITE32(&td, &size);
1100                                 td.ip ++;
1101                         } else
1102                                 SIMPLE_OP(td, MINT_DUP);
1103                         PUSH_TYPE(&td, type, klass);
1104                         break;
1105                 }
1106                 case CEE_POP:
1107                         CHECK_STACK(&td, 1);
1108                         SIMPLE_OP(td, MINT_POP);
1109                         if (td.sp [-1].type == STACK_TYPE_VT) {
1110                                 int size = mono_class_value_size (td.sp [-1].klass, NULL);
1111                                 size = (size + 7) & ~7;
1112                                 ADD_CODE(&td, MINT_VTRESULT);
1113                                 ADD_CODE(&td, 0);
1114                                 WRITE32(&td, &size);
1115                                 td.vt_sp -= size;
1116                         }
1117                         --td.sp;
1118                         break;
1119                 case CEE_JMP: {
1120                         MonoMethod *m;
1121                         if (td.sp > td.stack)
1122                                 g_warning ("CEE_JMP: stack must be empty");
1123                         token = read32 (td.ip + 1);
1124                         m = mono_get_method_full (image, token, NULL, generic_context);
1125                         ADD_CODE (&td, MINT_JMP);
1126                         ADD_CODE (&td, get_data_item_index (&td, mono_interp_get_runtime_method (domain, m, &error)));
1127                         mono_error_cleanup (&error); /* FIXME: don't swallow the error */
1128                         td.ip += 5;
1129                         break;
1130                 }
1131                 case CEE_CALLVIRT: /* Fall through */
1132                 case CEE_CALLI:    /* Fall through */
1133                 case CEE_CALL: {
1134                         interp_transform_call (&td, method, NULL, domain, generic_context, is_bb_start, body_start_offset);
1135                         break;
1136                 }
1137                 case CEE_RET: {
1138                         int vt_size = 0;
1139                         if (signature->ret->type != MONO_TYPE_VOID) {
1140                                 --td.sp;
1141                                 MonoClass *klass = mono_class_from_mono_type (signature->ret);
1142                                 if (mint_type (&klass->byval_arg) == MINT_TYPE_VT) {
1143                                         vt_size = mono_class_value_size (klass, NULL);
1144                                         vt_size = (vt_size + 7) & ~7;
1145                                 }
1146                         }
1147                         if (td.sp > td.stack)
1148                                 g_warning ("%s.%s: CEE_RET: more values on stack: %d", td.method->klass->name, td.method->name, td.sp - td.stack);
1149                         if (td.vt_sp != vt_size)
1150                                 g_error ("%s.%s: CEE_RET: value type stack: %d vs. %d", td.method->klass->name, td.method->name, td.vt_sp, vt_size);
1151                         if (vt_size == 0)
1152                                 SIMPLE_OP(td, signature->ret->type == MONO_TYPE_VOID ? MINT_RET_VOID : MINT_RET);
1153                         else {
1154                                 ADD_CODE(&td, MINT_RET_VT);
1155                                 WRITE32(&td, &vt_size);
1156                                 ++td.ip;
1157                         }
1158                         generating_code = 0;
1159                         break;
1160                 }
1161                 case CEE_BR:
1162                         handle_branch (&td, MINT_BR_S, MINT_BR, 5 + read32 (td.ip + 1));
1163                         td.ip += 5;
1164                         generating_code = 0;
1165                         break;
1166                 case CEE_BR_S:
1167                         handle_branch (&td, MINT_BR_S, MINT_BR, 2 + (gint8)td.ip [1]);
1168                         td.ip += 2;
1169                         generating_code = 0;
1170                         break;
1171                 case CEE_BRFALSE:
1172                         one_arg_branch (&td, MINT_BRFALSE_I4, 5 + read32 (td.ip + 1));
1173                         td.ip += 5;
1174                         break;
1175                 case CEE_BRFALSE_S:
1176                         one_arg_branch (&td, MINT_BRFALSE_I4, 2 + (gint8)td.ip [1]);
1177                         td.ip += 2;
1178                         break;
1179                 case CEE_BRTRUE:
1180                         one_arg_branch (&td, MINT_BRTRUE_I4, 5 + read32 (td.ip + 1));
1181                         td.ip += 5;
1182                         break;
1183                 case CEE_BRTRUE_S:
1184                         one_arg_branch (&td, MINT_BRTRUE_I4, 2 + (gint8)td.ip [1]);
1185                         td.ip += 2;
1186                         break;
1187                 case CEE_BEQ:
1188                         two_arg_branch (&td, MINT_BEQ_I4, 5 + read32 (td.ip + 1));
1189                         td.ip += 5;
1190                         break;
1191                 case CEE_BEQ_S:
1192                         two_arg_branch (&td, MINT_BEQ_I4, 2 + (gint8) td.ip [1]);
1193                         td.ip += 2;
1194                         break;
1195                 case CEE_BGE:
1196                         two_arg_branch (&td, MINT_BGE_I4, 5 + read32 (td.ip + 1));
1197                         td.ip += 5;
1198                         break;
1199                 case CEE_BGE_S:
1200                         two_arg_branch (&td, MINT_BGE_I4, 2 + (gint8) td.ip [1]);
1201                         td.ip += 2;
1202                         break;
1203                 case CEE_BGT:
1204                         two_arg_branch (&td, MINT_BGT_I4, 5 + read32 (td.ip + 1));
1205                         td.ip += 5;
1206                         break;
1207                 case CEE_BGT_S:
1208                         two_arg_branch (&td, MINT_BGT_I4, 2 + (gint8) td.ip [1]);
1209                         td.ip += 2;
1210                         break;
1211                 case CEE_BLT:
1212                         two_arg_branch (&td, MINT_BLT_I4, 5 + read32 (td.ip + 1));
1213                         td.ip += 5;
1214                         break;
1215                 case CEE_BLT_S:
1216                         two_arg_branch (&td, MINT_BLT_I4, 2 + (gint8) td.ip [1]);
1217                         td.ip += 2;
1218                         break;
1219                 case CEE_BLE:
1220                         two_arg_branch (&td, MINT_BLE_I4, 5 + read32 (td.ip + 1));
1221                         td.ip += 5;
1222                         break;
1223                 case CEE_BLE_S:
1224                         two_arg_branch (&td, MINT_BLE_I4, 2 + (gint8) td.ip [1]);
1225                         td.ip += 2;
1226                         break;
1227                 case CEE_BNE_UN:
1228                         two_arg_branch (&td, MINT_BNE_UN_I4, 5 + read32 (td.ip + 1));
1229                         td.ip += 5;
1230                         break;
1231                 case CEE_BNE_UN_S:
1232                         two_arg_branch (&td, MINT_BNE_UN_I4, 2 + (gint8) td.ip [1]);
1233                         td.ip += 2;
1234                         break;
1235                 case CEE_BGE_UN:
1236                         two_arg_branch (&td, MINT_BGE_UN_I4, 5 + read32 (td.ip + 1));
1237                         td.ip += 5;
1238                         break;
1239                 case CEE_BGE_UN_S:
1240                         two_arg_branch (&td, MINT_BGE_UN_I4, 2 + (gint8) td.ip [1]);
1241                         td.ip += 2;
1242                         break;
1243                 case CEE_BGT_UN:
1244                         two_arg_branch (&td, MINT_BGT_UN_I4, 5 + read32 (td.ip + 1));
1245                         td.ip += 5;
1246                         break;
1247                 case CEE_BGT_UN_S:
1248                         two_arg_branch (&td, MINT_BGT_UN_I4, 2 + (gint8) td.ip [1]);
1249                         td.ip += 2;
1250                         break;
1251                 case CEE_BLE_UN:
1252                         two_arg_branch (&td, MINT_BLE_UN_I4, 5 + read32 (td.ip + 1));
1253                         td.ip += 5;
1254                         break;
1255                 case CEE_BLE_UN_S:
1256                         two_arg_branch (&td, MINT_BLE_UN_I4, 2 + (gint8) td.ip [1]);
1257                         td.ip += 2;
1258                         break;
1259                 case CEE_BLT_UN:
1260                         two_arg_branch (&td, MINT_BLT_UN_I4, 5 + read32 (td.ip + 1));
1261                         td.ip += 5;
1262                         break;
1263                 case CEE_BLT_UN_S:
1264                         two_arg_branch (&td, MINT_BLT_UN_I4, 2 + (gint8) td.ip [1]);
1265                         td.ip += 2;
1266                         break;
1267                 case CEE_SWITCH: {
1268                         guint32 n;
1269                         const unsigned char *next_ip;
1270                         const unsigned char *base_ip = td.ip;
1271                         unsigned short *next_new_ip;
1272                         ++td.ip;
1273                         n = read32 (td.ip);
1274                         ADD_CODE(&td, MINT_SWITCH);
1275                         ADD_CODE(&td, * (unsigned short *)(&n));
1276                         ADD_CODE(&td, * ((unsigned short *)&n + 1));
1277                         td.ip += 4;
1278                         next_ip = td.ip + n * 4;
1279                         next_new_ip = td.new_ip + n * 2;
1280                         for (i = 0; i < n; i++) {
1281                                 offset = read32 (td.ip);
1282                                 target = next_ip - td.il_code + offset;
1283                                 if (offset < 0)
1284                                         target = td.in_offsets [target] - (next_new_ip - td.new_code);
1285                                 else {
1286                                         int prev = td.forward_refs [target];
1287                                         td.forward_refs [td.ip - td.il_code] = prev;
1288                                         td.forward_refs [target] = td.ip - td.il_code;
1289                                         td.in_offsets [td.ip - td.il_code] = - (base_ip - td.il_code);
1290                                 }
1291                                 ADD_CODE(&td, * (unsigned short *)(&target));
1292                                 ADD_CODE(&td, * ((unsigned short *)&target + 1));
1293                                 td.ip += 4;
1294                         }
1295                         --td.sp;
1296                         break;
1297                 }
1298                 case CEE_LDIND_I1:
1299                         CHECK_STACK (&td, 1);
1300                         SIMPLE_OP (td, MINT_LDIND_I1);
1301                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
1302                         break;
1303                 case CEE_LDIND_U1:
1304                         CHECK_STACK (&td, 1);
1305                         SIMPLE_OP (td, MINT_LDIND_U1);
1306                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
1307                         break;
1308                 case CEE_LDIND_I2:
1309                         CHECK_STACK (&td, 1);
1310                         SIMPLE_OP (td, MINT_LDIND_I2);
1311                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
1312                         break;
1313                 case CEE_LDIND_U2:
1314                         CHECK_STACK (&td, 1);
1315                         SIMPLE_OP (td, MINT_LDIND_U2);
1316                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
1317                         break;
1318                 case CEE_LDIND_I4:
1319                         CHECK_STACK (&td, 1);
1320                         SIMPLE_OP (td, MINT_LDIND_I4);
1321                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
1322                         break;
1323                 case CEE_LDIND_U4:
1324                         CHECK_STACK (&td, 1);
1325                         SIMPLE_OP (td, MINT_LDIND_U4);
1326                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
1327                         break;
1328                 case CEE_LDIND_I8:
1329                         CHECK_STACK (&td, 1);
1330                         SIMPLE_OP (td, MINT_LDIND_I8);
1331                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I8);
1332                         break;
1333                 case CEE_LDIND_I:
1334                         CHECK_STACK (&td, 1);
1335                         SIMPLE_OP (td, MINT_LDIND_I);
1336                         ADD_CODE (&td, 0);
1337                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I);
1338                         break;
1339                 case CEE_LDIND_R4:
1340                         CHECK_STACK (&td, 1);
1341                         SIMPLE_OP (td, MINT_LDIND_R4);
1342                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_R8);
1343                         break;
1344                 case CEE_LDIND_R8:
1345                         CHECK_STACK (&td, 1);
1346                         SIMPLE_OP (td, MINT_LDIND_R8);
1347                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_R8);
1348                         break;
1349                 case CEE_LDIND_REF:
1350                         CHECK_STACK (&td, 1);
1351                         SIMPLE_OP (td, MINT_LDIND_REF);
1352                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_O);
1353                         break;
1354                 case CEE_STIND_REF:
1355                         CHECK_STACK (&td, 2);
1356                         SIMPLE_OP (td, MINT_STIND_REF);
1357                         td.sp -= 2;
1358                         break;
1359                 case CEE_STIND_I1:
1360                         CHECK_STACK (&td, 2);
1361                         SIMPLE_OP (td, MINT_STIND_I1);
1362                         td.sp -= 2;
1363                         break;
1364                 case CEE_STIND_I2:
1365                         CHECK_STACK (&td, 2);
1366                         SIMPLE_OP (td, MINT_STIND_I2);
1367                         td.sp -= 2;
1368                         break;
1369                 case CEE_STIND_I4:
1370                         CHECK_STACK (&td, 2);
1371                         SIMPLE_OP (td, MINT_STIND_I4);
1372                         td.sp -= 2;
1373                         break;
1374                 case CEE_STIND_I:
1375                         CHECK_STACK (&td, 2);
1376                         SIMPLE_OP (td, MINT_STIND_I);
1377                         td.sp -= 2;
1378                         break;
1379                 case CEE_STIND_I8:
1380                         CHECK_STACK (&td, 2);
1381                         SIMPLE_OP (td, MINT_STIND_I8);
1382                         td.sp -= 2;
1383                         break;
1384                 case CEE_STIND_R4:
1385                         CHECK_STACK (&td, 2);
1386                         SIMPLE_OP (td, MINT_STIND_R4);
1387                         td.sp -= 2;
1388                         break;
1389                 case CEE_STIND_R8:
1390                         CHECK_STACK (&td, 2);
1391                         SIMPLE_OP (td, MINT_STIND_R8);
1392                         td.sp -= 2;
1393                         break;
1394                 case CEE_ADD:
1395                         binary_arith_op(&td, MINT_ADD_I4);
1396                         ++td.ip;
1397                         break;
1398                 case CEE_SUB:
1399                         binary_arith_op(&td, MINT_SUB_I4);
1400                         ++td.ip;
1401                         break;
1402                 case CEE_MUL:
1403                         binary_arith_op(&td, MINT_MUL_I4);
1404                         ++td.ip;
1405                         break;
1406                 case CEE_DIV:
1407                         binary_arith_op(&td, MINT_DIV_I4);
1408                         ++td.ip;
1409                         break;
1410                 case CEE_DIV_UN:
1411                         binary_arith_op(&td, MINT_DIV_UN_I4);
1412                         ++td.ip;
1413                         break;
1414                 case CEE_REM:
1415                         binary_int_op (&td, MINT_REM_I4);
1416                         ++td.ip;
1417                         break;
1418                 case CEE_REM_UN:
1419                         binary_int_op (&td, MINT_REM_UN_I4);
1420                         ++td.ip;
1421                         break;
1422                 case CEE_AND:
1423                         binary_int_op (&td, MINT_AND_I4);
1424                         ++td.ip;
1425                         break;
1426                 case CEE_OR:
1427                         binary_int_op (&td, MINT_OR_I4);
1428                         ++td.ip;
1429                         break;
1430                 case CEE_XOR:
1431                         binary_int_op (&td, MINT_XOR_I4);
1432                         ++td.ip;
1433                         break;
1434                 case CEE_SHL:
1435                         shift_op (&td, MINT_SHL_I4);
1436                         ++td.ip;
1437                         break;
1438                 case CEE_SHR:
1439                         shift_op (&td, MINT_SHR_I4);
1440                         ++td.ip;
1441                         break;
1442                 case CEE_SHR_UN:
1443                         shift_op (&td, MINT_SHR_UN_I4);
1444                         ++td.ip;
1445                         break;
1446                 case CEE_NEG:
1447                         unary_arith_op (&td, MINT_NEG_I4);
1448                         ++td.ip;
1449                         break;
1450                 case CEE_NOT:
1451                         unary_arith_op (&td, MINT_NOT_I4);
1452                         ++td.ip;
1453                         break;
1454                 case CEE_CONV_U1:
1455                         CHECK_STACK (&td, 1);
1456                         switch (td.sp [-1].type) {
1457                         case STACK_TYPE_R8:
1458                                 ADD_CODE(&td, MINT_CONV_U1_R8);
1459                                 break;
1460                         case STACK_TYPE_I4:
1461                                 ADD_CODE(&td, MINT_CONV_U1_I4);
1462                                 break;
1463                         case STACK_TYPE_I8:
1464                                 ADD_CODE(&td, MINT_CONV_U1_I8);
1465                                 break;
1466                         default:
1467                                 g_assert_not_reached ();
1468                         }
1469                         ++td.ip;
1470                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
1471                         break;
1472                 case CEE_CONV_I1:
1473                         CHECK_STACK (&td, 1);
1474                         switch (td.sp [-1].type) {
1475                         case STACK_TYPE_R8:
1476                                 ADD_CODE(&td, MINT_CONV_I1_R8);
1477                                 break;
1478                         case STACK_TYPE_I4:
1479                                 ADD_CODE(&td, MINT_CONV_I1_I4);
1480                                 break;
1481                         case STACK_TYPE_I8:
1482                                 ADD_CODE(&td, MINT_CONV_I1_I8);
1483                                 break;
1484                         default:
1485                                 g_assert_not_reached ();
1486                         }
1487                         ++td.ip;
1488                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
1489                         break;
1490                 case CEE_CONV_U2:
1491                         CHECK_STACK (&td, 1);
1492                         switch (td.sp [-1].type) {
1493                         case STACK_TYPE_R8:
1494                                 ADD_CODE(&td, MINT_CONV_U2_R8);
1495                                 break;
1496                         case STACK_TYPE_I4:
1497                                 ADD_CODE(&td, MINT_CONV_U2_I4);
1498                                 break;
1499                         case STACK_TYPE_I8:
1500                                 ADD_CODE(&td, MINT_CONV_U2_I8);
1501                                 break;
1502                         default:
1503                                 g_assert_not_reached ();
1504                         }
1505                         ++td.ip;
1506                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
1507                         break;
1508                 case CEE_CONV_I2:
1509                         CHECK_STACK (&td, 1);
1510                         switch (td.sp [-1].type) {
1511                         case STACK_TYPE_R8:
1512                                 ADD_CODE(&td, MINT_CONV_I2_R8);
1513                                 break;
1514                         case STACK_TYPE_I4:
1515                                 ADD_CODE(&td, MINT_CONV_I2_I4);
1516                                 break;
1517                         case STACK_TYPE_I8:
1518                                 ADD_CODE(&td, MINT_CONV_I2_I8);
1519                                 break;
1520                         default:
1521                                 g_assert_not_reached ();
1522                         }
1523                         ++td.ip;
1524                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
1525                         break;
1526                 case CEE_CONV_U:
1527                         CHECK_STACK (&td, 1);
1528                         switch (td.sp [-1].type) {
1529                         case STACK_TYPE_R8:
1530 #if SIZEOF_VOID_P == 4
1531                                 ADD_CODE(&td, MINT_CONV_U4_R8);
1532 #else
1533                                 ADD_CODE(&td, MINT_CONV_U8_R8);
1534 #endif
1535                                 break;
1536                         case STACK_TYPE_I4:
1537 #if SIZEOF_VOID_P == 8
1538                                 ADD_CODE(&td, MINT_CONV_U8_I4);
1539 #endif
1540                                 break;
1541                         case STACK_TYPE_I8:
1542 #if SIZEOF_VOID_P == 4
1543                                 ADD_CODE(&td, MINT_CONV_U4_I8);
1544 #endif
1545                                 break;
1546                         case STACK_TYPE_MP:
1547                                 break;
1548                         default:
1549                                 g_assert_not_reached ();
1550                         }
1551                         ++td.ip;
1552                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I);
1553                         break;
1554                 case CEE_CONV_I:
1555                         CHECK_STACK (&td, 1);
1556                         switch (td.sp [-1].type) {
1557                         case STACK_TYPE_R8:
1558 #if SIZEOF_VOID_P == 8
1559                                 ADD_CODE(&td, MINT_CONV_I8_R8);
1560 #else
1561                                 ADD_CODE(&td, MINT_CONV_I4_R8);
1562 #endif
1563                                 break;
1564                         case STACK_TYPE_I4:
1565 #if SIZEOF_VOID_P == 8
1566                                 ADD_CODE(&td, MINT_CONV_I8_I4);
1567 #endif
1568                                 break;
1569                         case STACK_TYPE_O:
1570                                 break;
1571                         case STACK_TYPE_MP:
1572                                 break;
1573                         case STACK_TYPE_I8:
1574 #if SIZEOF_VOID_P == 4
1575                                 ADD_CODE(&td, MINT_CONV_I4_I8);
1576 #endif
1577                                 break;
1578                         default:
1579                                 g_assert_not_reached ();
1580                         }
1581                         ++td.ip;
1582                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I);
1583                         break;
1584                 case CEE_CONV_U4:
1585                         CHECK_STACK (&td, 1);
1586                         switch (td.sp [-1].type) {
1587                         case STACK_TYPE_R8:
1588                                 ADD_CODE(&td, MINT_CONV_U4_R8);
1589                                 break;
1590                         case STACK_TYPE_I4:
1591                                 break;
1592                         case STACK_TYPE_I8:
1593                                 ADD_CODE(&td, MINT_CONV_U4_I8);
1594                                 break;
1595                         case STACK_TYPE_MP:
1596 #if SIZEOF_VOID_P == 8
1597                                 ADD_CODE(&td, MINT_CONV_U4_I8);
1598 #endif
1599                                 break;
1600                         default:
1601                                 g_assert_not_reached ();
1602                         }
1603                         ++td.ip;
1604                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
1605                         break;
1606                 case CEE_CONV_I4:
1607                         CHECK_STACK (&td, 1);
1608                         switch (td.sp [-1].type) {
1609                         case STACK_TYPE_R8:
1610                                 ADD_CODE(&td, MINT_CONV_I4_R8);
1611                                 break;
1612                         case STACK_TYPE_I4:
1613                                 break;
1614                         case STACK_TYPE_I8:
1615                                 ADD_CODE(&td, MINT_CONV_I4_I8);
1616                                 break;
1617                         case STACK_TYPE_MP:
1618 #if SIZEOF_VOID_P == 8
1619                                 ADD_CODE(&td, MINT_CONV_I4_I8);
1620 #endif
1621                                 break;
1622                         default:
1623                                 g_assert_not_reached ();
1624                         }
1625                         ++td.ip;
1626                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
1627                         break;
1628                 case CEE_CONV_I8:
1629                         CHECK_STACK (&td, 1);
1630                         switch (td.sp [-1].type) {
1631                         case STACK_TYPE_R8:
1632                                 ADD_CODE(&td, MINT_CONV_I8_R8);
1633                                 break;
1634                         case STACK_TYPE_I4:
1635                                 ADD_CODE(&td, MINT_CONV_I8_I4);
1636                                 break;
1637                         case STACK_TYPE_I8:
1638                                 break;
1639                         case STACK_TYPE_MP:
1640 #if SIZEOF_VOID_P == 4
1641                                 ADD_CODE(&td, MINT_CONV_I8_I4);
1642 #endif
1643                                 break;
1644                         default:
1645                                 g_assert_not_reached ();
1646                         }
1647                         ++td.ip;
1648                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I8);
1649                         break;
1650                 case CEE_CONV_R4:
1651                         CHECK_STACK (&td, 1);
1652                         switch (td.sp [-1].type) {
1653                         case STACK_TYPE_R8:
1654                                 ADD_CODE(&td, MINT_CONV_R4_R8);
1655                                 break;
1656                         case STACK_TYPE_I8:
1657                                 ADD_CODE(&td, MINT_CONV_R4_I8);
1658                                 break;
1659                         case STACK_TYPE_I4:
1660                                 ADD_CODE(&td, MINT_CONV_R4_I4);
1661                                 break;
1662                         default:
1663                                 g_assert_not_reached ();
1664                         }
1665                         ++td.ip;
1666                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_R8);
1667                         break;
1668                 case CEE_CONV_R8:
1669                         CHECK_STACK (&td, 1);
1670                         switch (td.sp [-1].type) {
1671                         case STACK_TYPE_I4:
1672                                 ADD_CODE(&td, MINT_CONV_R8_I4);
1673                                 break;
1674                         case STACK_TYPE_I8:
1675                                 ADD_CODE(&td, MINT_CONV_R8_I8);
1676                                 break;
1677                         case STACK_TYPE_R8:
1678                                 break;
1679                         default:
1680                                 g_assert_not_reached ();
1681                         }
1682                         ++td.ip;
1683                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_R8);
1684                         break;
1685                 case CEE_CONV_U8:
1686                         CHECK_STACK (&td, 1);
1687                         switch (td.sp [-1].type) {
1688                         case STACK_TYPE_I4:
1689                                 ADD_CODE(&td, MINT_CONV_U8_I4);
1690                                 break;
1691                         case STACK_TYPE_I8:
1692                                 break;
1693                         case STACK_TYPE_R8:
1694                                 ADD_CODE(&td, MINT_CONV_U8_R8);
1695                                 break;
1696                         case STACK_TYPE_MP:
1697 #if SIZEOF_VOID_P == 4
1698                                 ADD_CODE(&td, MINT_CONV_U8_I4);
1699 #endif
1700                                 break;
1701                         default:
1702                                 g_assert_not_reached ();
1703                         }
1704                         ++td.ip;
1705                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I8);
1706                         break;
1707 #if 0
1708                 case CEE_CPOBJ: {
1709                         MonoClass *vtklass;
1710                         ++ip;
1711                         vtklass = mono_class_get_full (image, read32 (ip), generic_context);
1712                         ip += 4;
1713                         sp -= 2;
1714                         memcpy (sp [0].data.p, sp [1].data.p, mono_class_value_size (vtklass, NULL));
1715                         break;
1716                 }
1717 #endif
1718                 case CEE_LDOBJ: {
1719                         int size;
1720                         CHECK_STACK (&td, 1);
1721
1722                         token = read32 (td.ip + 1);
1723
1724                         if (method->wrapper_type != MONO_WRAPPER_NONE)
1725                                 klass = (MonoClass *)mono_method_get_wrapper_data (method, token);
1726                         else
1727                                 klass = mono_class_get_full (image, token, generic_context);
1728
1729                         ADD_CODE(&td, MINT_LDOBJ);
1730                         ADD_CODE(&td, get_data_item_index(&td, klass));
1731                         if (mint_type (&klass->byval_arg) == MINT_TYPE_VT) {
1732                                 size = mono_class_value_size (klass, NULL);
1733                                 PUSH_VT(&td, size);
1734                         }
1735                         td.ip += 5;
1736                         SET_TYPE(td.sp - 1, stack_type[mint_type(&klass->byval_arg)], klass);
1737                         break;
1738                 }
1739                 case CEE_LDSTR: {
1740                         MonoString *s;
1741                         token = mono_metadata_token_index (read32 (td.ip + 1));
1742                         td.ip += 5;
1743                         if (method->wrapper_type != MONO_WRAPPER_NONE) {
1744                                 s = mono_string_new_wrapper(
1745                                         mono_method_get_wrapper_data (method, token));
1746                         }
1747                         else
1748                                 s = mono_ldstr (domain, image, token);
1749                         ADD_CODE(&td, MINT_LDSTR);
1750                         ADD_CODE(&td, get_data_item_index (&td, s));
1751                         PUSH_TYPE(&td, STACK_TYPE_O, mono_defaults.string_class);
1752                         break;
1753                 }
1754                 case CEE_NEWOBJ: {
1755                         MonoMethod *m;
1756                         MonoMethodSignature *csignature;
1757                         guint32 vt_stack_used = 0;
1758                         guint32 vt_res_size = 0;
1759
1760                         td.ip++;
1761                         token = read32 (td.ip);
1762                         td.ip += 4;
1763
1764                         if (method->wrapper_type != MONO_WRAPPER_NONE)
1765                                 m = (MonoMethod *)mono_method_get_wrapper_data (method, token);
1766                         else
1767                                 m = mono_get_method_full (image, token, NULL, generic_context);
1768
1769                         csignature = mono_method_signature (m);
1770                         klass = m->klass;
1771                         td.sp -= csignature->param_count;
1772                         ADD_CODE(&td, MINT_NEWOBJ);
1773                         ADD_CODE(&td, get_data_item_index (&td, mono_interp_get_runtime_method (domain, m, &error)));
1774                         mono_error_cleanup (&error); /* FIXME: don't swallow the error */
1775
1776                         if (mint_type (&klass->byval_arg) == MINT_TYPE_VT) {
1777                                 vt_res_size = mono_class_value_size (klass, NULL);
1778                                 PUSH_VT (&td, vt_res_size);
1779                         }
1780                         for (i = 0; i < csignature->param_count; ++i) {
1781                                 int mt = mint_type(csignature->params [i]);
1782                                 if (mt == MINT_TYPE_VT) {
1783                                         MonoClass *k = mono_class_from_mono_type (csignature->params [i]);
1784                                         gint32 size = mono_class_value_size (k, NULL);
1785                                         size = (size + 7) & ~7;
1786                                         vt_stack_used += size;
1787                                 }
1788                         }
1789                         if (vt_stack_used != 0 || vt_res_size != 0) {
1790                                 ADD_CODE(&td, MINT_VTRESULT);
1791                                 ADD_CODE(&td, vt_res_size);
1792                                 WRITE32(&td, &vt_stack_used);
1793                                 td.vt_sp -= vt_stack_used;
1794                         }
1795                         PUSH_TYPE (&td, stack_type [mint_type (&klass->byval_arg)], klass);
1796                         break;
1797                 }
1798                 case CEE_CASTCLASS:
1799                         CHECK_STACK (&td, 1);
1800                         token = read32 (td.ip + 1);
1801                         klass = mono_class_get_full (image, token, generic_context);
1802                         ADD_CODE(&td, MINT_CASTCLASS);
1803                         ADD_CODE(&td, get_data_item_index (&td, klass));
1804                         td.sp [-1].klass = klass;
1805                         td.ip += 5;
1806                         break;
1807                 case CEE_ISINST:
1808                         CHECK_STACK (&td, 1);
1809                         token = read32 (td.ip + 1);
1810                         klass = mono_class_get_full (image, token, generic_context);
1811                         ADD_CODE(&td, MINT_ISINST);
1812                         ADD_CODE(&td, get_data_item_index (&td, klass));
1813                         td.ip += 5;
1814                         break;
1815                 case CEE_CONV_R_UN:
1816                         switch (td.sp [-1].type) {
1817                         case STACK_TYPE_R8:
1818                                 break;
1819                         case STACK_TYPE_I8:
1820                                 ADD_CODE(&td, MINT_CONV_R_UN_I8);
1821                                 break;
1822                         case STACK_TYPE_I4:
1823                                 ADD_CODE(&td, MINT_CONV_R_UN_I4);
1824                                 break;
1825                         default:
1826                                 g_assert_not_reached ();
1827                         }
1828                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_R8);
1829                         ++td.ip;
1830                         break;
1831                 case CEE_UNBOX:
1832                         CHECK_STACK (&td, 1);
1833                         token = read32 (td.ip + 1);
1834
1835                         if (method->wrapper_type != MONO_WRAPPER_NONE)
1836                                 klass = (MonoClass *)mono_method_get_wrapper_data (method, token);
1837                         else
1838                                 klass = mono_class_get_full (image, token, generic_context);
1839
1840                         if (mono_class_is_nullable (klass)) {
1841                                 g_error ("cee_unbox: implement Nullable");
1842                         }
1843
1844                         ADD_CODE(&td, MINT_UNBOX);
1845                         ADD_CODE(&td, get_data_item_index (&td, klass));
1846                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_MP);
1847                         td.ip += 5;
1848                         break;
1849                 case CEE_UNBOX_ANY:
1850                         CHECK_STACK (&td, 1);
1851                         token = read32 (td.ip + 1);
1852
1853                         g_assert (method->wrapper_type == MONO_WRAPPER_NONE);
1854                         klass = mono_class_get_full (image, token, generic_context);
1855
1856                         if (mini_type_is_reference (&klass->byval_arg)) {
1857                                 g_error ("unbox_any: generic class is reference type");
1858                         } else if (mono_class_is_nullable (klass)) {
1859                                 MonoMethod *target_method = mono_class_get_method_from_name (klass, "Unbox", 1);
1860                                 /* td.ip is incremented by interp_transform_call */
1861                                 interp_transform_call (&td, method, target_method, domain, generic_context, is_bb_start, body_start_offset);
1862                         } else {
1863                                 int mt = mint_type (&klass->byval_arg);
1864                                 ADD_CODE (&td, MINT_UNBOX);
1865                                 ADD_CODE (&td, get_data_item_index (&td, klass));
1866                                 SET_TYPE (td.sp - 1, stack_type [mt], klass);
1867                                 if (mt == MINT_TYPE_VT) {
1868                                         int size = mono_class_value_size (klass, NULL);
1869                                         PUSH_VT (&td, size);
1870                                 }
1871                                 td.ip += 5;
1872                         }
1873
1874                         break;
1875                 case CEE_THROW:
1876                         CHECK_STACK (&td, 1);
1877                         SIMPLE_OP (td, MINT_THROW);
1878                         --td.sp;
1879                         generating_code = 0;
1880                         break;
1881                 case CEE_LDFLDA:
1882                         CHECK_STACK (&td, 1);
1883                         token = read32 (td.ip + 1);
1884                         field = mono_field_from_token (image, token, &klass, generic_context);
1885                         mono_class_init (klass);
1886                         mt = mint_type(field->type);
1887                         ADD_CODE(&td, MINT_LDFLDA);
1888                         ADD_CODE(&td, klass->valuetype ? field->offset - sizeof(MonoObject) : field->offset);
1889                         td.ip += 5;
1890                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_MP);
1891                         break;
1892                 case CEE_LDFLD: {
1893                         CHECK_STACK (&td, 1);
1894                         token = read32 (td.ip + 1);
1895                         field = mono_field_from_token (image, token, &klass, generic_context);
1896                         mono_class_init (klass);
1897
1898                         MonoClass *field_klass = mono_class_from_mono_type (field->type);
1899                         mt = mint_type (&field_klass->byval_arg);
1900                         if (klass->marshalbyref) {
1901                                 ADD_CODE(&td, mt == MINT_TYPE_VT ? MINT_LDRMFLD_VT :  MINT_LDRMFLD);
1902                                 ADD_CODE(&td, get_data_item_index (&td, field));
1903                         } else  {
1904                                 ADD_CODE(&td, MINT_LDFLD_I1 + mt - MINT_TYPE_I1);
1905                                 ADD_CODE(&td, klass->valuetype ? field->offset - sizeof(MonoObject) : field->offset);
1906                         }
1907                         if (mt == MINT_TYPE_VT) {
1908                                 int size = mono_class_value_size (field_klass, NULL);
1909                                 PUSH_VT(&td, size);
1910                                 WRITE32(&td, &size);
1911                         }
1912                         if (td.sp [-1].type == STACK_TYPE_VT) {
1913                                 int size = mono_class_value_size (klass, NULL);
1914                                 size = (size + 7) & ~7;
1915                                 td.vt_sp -= size;
1916                         }
1917                         td.ip += 5;
1918                         SET_TYPE(td.sp - 1, stack_type [mt], field_klass);
1919                         break;
1920                 }
1921                 case CEE_STFLD:
1922                         CHECK_STACK (&td, 2);
1923                         token = read32 (td.ip + 1);
1924                         field = mono_field_from_token (image, token, &klass, generic_context);
1925                         mono_class_init (klass);
1926                         mt = mint_type(field->type);
1927                         if (klass->marshalbyref) {
1928                                 ADD_CODE(&td, mt == MINT_TYPE_VT ? MINT_STRMFLD_VT : MINT_STRMFLD);
1929                                 ADD_CODE(&td, get_data_item_index (&td, field));
1930                         } else  {
1931                                 ADD_CODE(&td, MINT_STFLD_I1 + mt - MINT_TYPE_I1);
1932                                 ADD_CODE(&td, klass->valuetype ? field->offset - sizeof(MonoObject) : field->offset);
1933                         }
1934                         if (mt == MINT_TYPE_VT) {
1935                                 MonoClass *klass = mono_class_from_mono_type (field->type);
1936                                 int size = mono_class_value_size (klass, NULL);
1937                                 POP_VT(&td, size);
1938                                 WRITE32(&td, &size);
1939                         }
1940                         td.ip += 5;
1941                         td.sp -= 2;
1942                         break;
1943                 case CEE_LDSFLDA:
1944                         token = read32 (td.ip + 1);
1945                         field = mono_field_from_token (image, token, &klass, generic_context);
1946                         ADD_CODE(&td, MINT_LDSFLDA);
1947                         ADD_CODE(&td, get_data_item_index (&td, field));
1948                         td.ip += 5;
1949                         PUSH_SIMPLE_TYPE(&td, STACK_TYPE_MP);
1950                         break;
1951                 case CEE_LDSFLD:
1952                         token = read32 (td.ip + 1);
1953                         field = mono_field_from_token (image, token, &klass, generic_context);
1954                         mt = mint_type(field->type);
1955                         ADD_CODE(&td, mt == MINT_TYPE_VT ? MINT_LDSFLD_VT : MINT_LDSFLD);
1956                         ADD_CODE(&td, get_data_item_index (&td, field));
1957                         klass = NULL;
1958                         if (mt == MINT_TYPE_VT) {
1959                                 g_error ("data.klass");
1960                                 int size = mono_class_value_size (field->type->data.klass, NULL);
1961                                 PUSH_VT(&td, size);
1962                                 WRITE32(&td, &size);
1963                                 klass = field->type->data.klass;
1964                         } else {
1965                                 if (mt == MINT_TYPE_O)
1966                                         klass = mono_class_from_mono_type (field->type);
1967                         }
1968                         td.ip += 5;
1969                         PUSH_TYPE(&td, stack_type [mt], klass);
1970                         break;
1971                 case CEE_STSFLD:
1972                         CHECK_STACK (&td, 1);
1973                         token = read32 (td.ip + 1);
1974                         field = mono_field_from_token (image, token, &klass, generic_context);
1975                         mt = mint_type(field->type);
1976                         ADD_CODE(&td, mt == MINT_TYPE_VT ? MINT_STSFLD_VT : MINT_STSFLD);
1977                         ADD_CODE(&td, get_data_item_index (&td, field));
1978                         if (mt == MINT_TYPE_VT) {
1979                                 g_error ("data.klass");
1980                                 int size = mono_class_value_size (field->type->data.klass, NULL);
1981                                 POP_VT(&td, size);
1982                                 WRITE32(&td, &size);
1983                         }
1984                         td.ip += 5;
1985                         --td.sp;
1986                         break;
1987                 case CEE_STOBJ: {
1988                         int size;
1989                         token = read32 (td.ip + 1);
1990
1991                         if (method->wrapper_type != MONO_WRAPPER_NONE)
1992                                 klass = (MonoClass *)mono_method_get_wrapper_data (method, token);
1993                         else
1994                                 klass = mono_class_get_full (image, token, generic_context);
1995
1996                         ADD_CODE(&td, td.sp [-1].type == STACK_TYPE_VT ? MINT_STOBJ_VT : MINT_STOBJ);
1997                         ADD_CODE(&td, get_data_item_index (&td, klass));
1998                         if (td.sp [-1].type == STACK_TYPE_VT) {
1999                                 size = mono_class_value_size (klass, NULL);
2000                                 size = (size + 7) & ~7;
2001                                 td.vt_sp -= size;
2002                         }
2003                         td.ip += 5;
2004                         td.sp -= 2;
2005                         break;
2006                 }
2007                 case CEE_CONV_OVF_I_UN:
2008                         CHECK_STACK (&td, 1);
2009                         switch (td.sp [-1].type) {
2010                         case STACK_TYPE_R8:
2011 #if SIZEOF_VOID_P == 8
2012                                 ADD_CODE(&td, MINT_CONV_OVF_I8_UN_R8);
2013 #else
2014                                 ADD_CODE(&td, MINT_CONV_OVF_I4_UN_R8);
2015 #endif
2016                                 break;
2017                         case STACK_TYPE_I8:
2018                                 /*FIX*/
2019                                 break;
2020                         case STACK_TYPE_I4:
2021 #if SIZEOF_VOID_P == 8
2022                                 ADD_CODE(&td, MINT_CONV_I8_U4);
2023 #endif
2024                                 break;
2025                         default:
2026                                 g_assert_not_reached ();
2027                                 break;
2028                         }
2029                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I8);
2030                         ++td.ip;
2031                         break;
2032                 case CEE_CONV_OVF_I8_UN:
2033                         CHECK_STACK (&td, 1);
2034                         switch (td.sp [-1].type) {
2035                         case STACK_TYPE_R8:
2036                                 ADD_CODE(&td, MINT_CONV_OVF_I8_UN_R8);
2037                                 break;
2038                         case STACK_TYPE_I8:
2039                                 break;
2040                         case STACK_TYPE_I4:
2041                                 ADD_CODE(&td, MINT_CONV_I8_U4);
2042                                 break;
2043                         default:
2044                                 g_assert_not_reached ();
2045                                 break;
2046                         }
2047                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I8);
2048                         ++td.ip;
2049                         break;
2050                 case CEE_BOX: {
2051                         int size;
2052                         CHECK_STACK (&td, 1);
2053                         token = read32 (td.ip + 1);
2054                         if (method->wrapper_type != MONO_WRAPPER_NONE)
2055                                 klass = (MonoClass *)mono_method_get_wrapper_data (method, token);
2056                         else
2057                                 klass = mono_class_get_full (image, token, generic_context);
2058                         g_assert (klass->valuetype);
2059
2060                         if (mono_class_is_nullable (klass)) {
2061                                 MonoMethod *target_method = mono_class_get_method_from_name (klass, "Box", 1);
2062                                 /* td.ip is incremented by interp_transform_call */
2063                                 interp_transform_call (&td, method, target_method, domain, generic_context, is_bb_start, body_start_offset);
2064                         } else {
2065                                 if (klass->byval_arg.type == MONO_TYPE_VALUETYPE && !klass->enumtype) {
2066                                         size = mono_class_value_size (klass, NULL);
2067                                         size = (size + 7) & ~7;
2068                                         td.vt_sp -= size;
2069                                 }
2070                                 ADD_CODE(&td, MINT_BOX);
2071                                 ADD_CODE(&td, get_data_item_index (&td, klass));
2072                                 ADD_CODE (&td, 0);
2073                                 SET_TYPE(td.sp - 1, STACK_TYPE_O, klass);
2074                                 td.ip += 5;
2075                         }
2076
2077                         break;
2078                 }
2079                 case CEE_NEWARR:
2080                         CHECK_STACK (&td, 1);
2081                         token = read32 (td.ip + 1);
2082
2083                         if (method->wrapper_type != MONO_WRAPPER_NONE)
2084                                 klass = (MonoClass *)mono_method_get_wrapper_data (method, token);
2085                         else
2086                                 klass = mono_class_get_full (image, token, generic_context);
2087
2088                         ADD_CODE(&td, MINT_NEWARR);
2089                         ADD_CODE(&td, get_data_item_index (&td, klass));
2090                         SET_TYPE(td.sp - 1, STACK_TYPE_O, klass);
2091                         td.ip += 5;
2092                         break;
2093                 case CEE_LDLEN:
2094                         CHECK_STACK (&td, 1);
2095                         SIMPLE_OP (td, MINT_LDLEN);
2096                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I);
2097                         break;
2098                 case CEE_LDELEMA:
2099                         CHECK_STACK (&td, 2);
2100                         ENSURE_I4 (&td, 1);
2101                         token = read32 (td.ip + 1);
2102
2103                         if (method->wrapper_type != MONO_WRAPPER_NONE)
2104                                 klass = (MonoClass *)mono_method_get_wrapper_data (method, token);
2105                         else
2106                                 klass = mono_class_get_full (image, token, generic_context);
2107
2108                         ADD_CODE(&td, MINT_LDELEMA);
2109                         ADD_CODE(&td, get_data_item_index (&td, klass));
2110                         td.ip += 5;
2111                         --td.sp;
2112                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_MP);
2113                         break;
2114                 case CEE_LDELEM_I1:
2115                         CHECK_STACK (&td, 2);
2116                         ENSURE_I4 (&td, 1);
2117                         SIMPLE_OP (td, MINT_LDELEM_I1);
2118                         --td.sp;
2119                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2120                         break;
2121                 case CEE_LDELEM_U1:
2122                         CHECK_STACK (&td, 2);
2123                         ENSURE_I4 (&td, 1);
2124                         SIMPLE_OP (td, MINT_LDELEM_U1);
2125                         --td.sp;
2126                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2127                         break;
2128                 case CEE_LDELEM_I2:
2129                         CHECK_STACK (&td, 2);
2130                         ENSURE_I4 (&td, 1);
2131                         SIMPLE_OP (td, MINT_LDELEM_I2);
2132                         --td.sp;
2133                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2134                         break;
2135                 case CEE_LDELEM_U2:
2136                         CHECK_STACK (&td, 2);
2137                         ENSURE_I4 (&td, 1);
2138                         SIMPLE_OP (td, MINT_LDELEM_U2);
2139                         --td.sp;
2140                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2141                         break;
2142                 case CEE_LDELEM_I4:
2143                         CHECK_STACK (&td, 2);
2144                         ENSURE_I4 (&td, 1);
2145                         SIMPLE_OP (td, MINT_LDELEM_I4);
2146                         --td.sp;
2147                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2148                         break;
2149                 case CEE_LDELEM_U4:
2150                         CHECK_STACK (&td, 2);
2151                         ENSURE_I4 (&td, 1);
2152                         SIMPLE_OP (td, MINT_LDELEM_U4);
2153                         --td.sp;
2154                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2155                         break;
2156                 case CEE_LDELEM_I8:
2157                         CHECK_STACK (&td, 2);
2158                         ENSURE_I4 (&td, 1);
2159                         SIMPLE_OP (td, MINT_LDELEM_I8);
2160                         --td.sp;
2161                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I8);
2162                         break;
2163                 case CEE_LDELEM_I:
2164                         CHECK_STACK (&td, 2);
2165                         ENSURE_I4 (&td, 1);
2166                         SIMPLE_OP (td, MINT_LDELEM_I);
2167                         --td.sp;
2168                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I);
2169                         break;
2170                 case CEE_LDELEM_R4:
2171                         CHECK_STACK (&td, 2);
2172                         ENSURE_I4 (&td, 1);
2173                         SIMPLE_OP (td, MINT_LDELEM_R4);
2174                         --td.sp;
2175                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_R8);
2176                         break;
2177                 case CEE_LDELEM_R8:
2178                         CHECK_STACK (&td, 2);
2179                         ENSURE_I4 (&td, 1);
2180                         SIMPLE_OP (td, MINT_LDELEM_R8);
2181                         --td.sp;
2182                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_R8);
2183                         break;
2184                 case CEE_LDELEM_REF:
2185                         CHECK_STACK (&td, 2);
2186                         ENSURE_I4 (&td, 1);
2187                         SIMPLE_OP (td, MINT_LDELEM_REF);
2188                         --td.sp;
2189                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_O);
2190                         break;
2191                 case CEE_LDELEM:
2192                         CHECK_STACK (&td, 2);
2193                         token = read32 (td.ip + 1);
2194                         klass = mono_class_get_full (image, token, generic_context);
2195                         switch (mint_type (&klass->byval_arg)) {
2196                                 case MINT_TYPE_I4:
2197                                         ENSURE_I4 (&td, 1);
2198                                         SIMPLE_OP (td, MINT_LDELEM_I4);
2199                                         --td.sp;
2200                                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2201                                         break;
2202                                 case MINT_TYPE_VT: {
2203                                         int size = mono_class_value_size (klass, NULL);
2204                                         ENSURE_I4 (&td, 1);
2205                                         SIMPLE_OP (td, MINT_LDELEM_VT);
2206                                         ADD_CODE (&td, get_data_item_index (&td, klass));
2207                                         WRITE32 (&td, &size);
2208                                         --td.sp;
2209                                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_VT);
2210                                         PUSH_VT (&td, size);
2211                                         break;
2212                                 }
2213                                 default: {
2214                                         GString *res = g_string_new ("");
2215                                         mono_type_get_desc (res, &klass->byval_arg, TRUE);
2216                                         g_print ("LDELEM: %s -> %d (%s)\n", klass->name, mint_type (&klass->byval_arg), res->str);
2217                                         g_string_free (res, TRUE);
2218                                         g_assert (0);
2219                                         break;
2220                                 }
2221                         }
2222                         td.ip += 4;
2223                         break;
2224                 case CEE_STELEM_I:
2225                         CHECK_STACK (&td, 3);
2226                         ENSURE_I4 (&td, 2);
2227                         SIMPLE_OP (td, MINT_STELEM_I);
2228                         td.sp -= 3;
2229                         break;
2230                 case CEE_STELEM_I1:
2231                         CHECK_STACK (&td, 3);
2232                         ENSURE_I4 (&td, 2);
2233                         SIMPLE_OP (td, MINT_STELEM_I1);
2234                         td.sp -= 3;
2235                         break;
2236                 case CEE_STELEM_I2:
2237                         CHECK_STACK (&td, 3);
2238                         ENSURE_I4 (&td, 2);
2239                         SIMPLE_OP (td, MINT_STELEM_I2);
2240                         td.sp -= 3;
2241                         break;
2242                 case CEE_STELEM_I4:
2243                         CHECK_STACK (&td, 3);
2244                         ENSURE_I4 (&td, 2);
2245                         SIMPLE_OP (td, MINT_STELEM_I4);
2246                         td.sp -= 3;
2247                         break;
2248                 case CEE_STELEM_I8:
2249                         CHECK_STACK (&td, 3);
2250                         ENSURE_I4 (&td, 2);
2251                         SIMPLE_OP (td, MINT_STELEM_I8);
2252                         td.sp -= 3;
2253                         break;
2254                 case CEE_STELEM_R4:
2255                         CHECK_STACK (&td, 3);
2256                         ENSURE_I4 (&td, 2);
2257                         SIMPLE_OP (td, MINT_STELEM_R4);
2258                         td.sp -= 3;
2259                         break;
2260                 case CEE_STELEM_R8:
2261                         CHECK_STACK (&td, 3);
2262                         ENSURE_I4 (&td, 2);
2263                         SIMPLE_OP (td, MINT_STELEM_R8);
2264                         td.sp -= 3;
2265                         break;
2266                 case CEE_STELEM_REF:
2267                         CHECK_STACK (&td, 3);
2268                         ENSURE_I4 (&td, 2);
2269                         SIMPLE_OP (td, MINT_STELEM_REF);
2270                         td.sp -= 3;
2271                         break;
2272                 case CEE_STELEM:
2273                         CHECK_STACK (&td, 3);
2274                         ENSURE_I4 (&td, 2);
2275                         token = read32 (td.ip + 1);
2276                         klass = mono_class_get_full (image, token, generic_context);
2277                         switch (mint_type (&klass->byval_arg)) {
2278                                 case MINT_TYPE_I4:
2279                                         SIMPLE_OP (td, MINT_STELEM_I4);
2280                                         break;
2281                                 case MINT_TYPE_O:
2282                                         SIMPLE_OP (td, MINT_STELEM_REF);
2283                                         break;
2284                                 case MINT_TYPE_VT: {
2285                                         int size = mono_class_value_size (klass, NULL);
2286                                         SIMPLE_OP (td, MINT_STELEM_VT);
2287                                         ADD_CODE (&td, get_data_item_index (&td, klass));
2288                                         WRITE32 (&td, &size);
2289                                         POP_VT (&td, size);
2290                                         break;
2291                                 }
2292                                 default: {
2293                                         GString *res = g_string_new ("");
2294                                         mono_type_get_desc (res, &klass->byval_arg, TRUE);
2295                                         g_print ("STELEM: %s -> %d (%s)\n", klass->name, mint_type (&klass->byval_arg), res->str);
2296                                         g_string_free (res, TRUE);
2297                                         g_assert (0);
2298                                         break;
2299                                 }
2300                         }
2301                         td.ip += 4;
2302                         td.sp -= 3;
2303                         break;
2304 #if 0
2305                 case CEE_CONV_OVF_U1:
2306
2307                 case CEE_CONV_OVF_I8:
2308
2309 #if SIZEOF_VOID_P == 8
2310                 case CEE_CONV_OVF_U:
2311 #endif
2312                 case CEE_REFANYVAL: ves_abort(); break;
2313 #endif
2314                 case CEE_CKFINITE:
2315                         CHECK_STACK (&td, 1);
2316                         SIMPLE_OP (td, MINT_CKFINITE);
2317                         break;
2318                 case CEE_CONV_OVF_I1:
2319                 case CEE_CONV_OVF_I1_UN:
2320                         CHECK_STACK (&td, 1);
2321                         switch (td.sp [-1].type) {
2322                         case STACK_TYPE_R8:
2323                                 ADD_CODE(&td, MINT_CONV_OVF_I1_R8);
2324                                 break;
2325                         case STACK_TYPE_I4:
2326                                 ADD_CODE(&td, MINT_CONV_OVF_I1_I4);
2327                                 break;
2328                         case STACK_TYPE_I8:
2329                                 ADD_CODE(&td, MINT_CONV_OVF_I1_I8);
2330                                 break;
2331                         default:
2332                                 g_assert_not_reached ();
2333                         }
2334                         ++td.ip;
2335                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2336                         break;
2337                 case CEE_CONV_OVF_U1:
2338                 case CEE_CONV_OVF_U1_UN:
2339                         CHECK_STACK (&td, 1);
2340                         switch (td.sp [-1].type) {
2341                         case STACK_TYPE_R8:
2342                                 ADD_CODE(&td, MINT_CONV_OVF_U1_R8);
2343                                 break;
2344                         case STACK_TYPE_I4:
2345                                 ADD_CODE(&td, MINT_CONV_OVF_U1_I4);
2346                                 break;
2347                         case STACK_TYPE_I8:
2348                                 ADD_CODE(&td, MINT_CONV_OVF_U1_I8);
2349                                 break;
2350                         default:
2351                                 g_assert_not_reached ();
2352                         }
2353                         ++td.ip;
2354                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2355                         break;
2356                 case CEE_CONV_OVF_I2:
2357                 case CEE_CONV_OVF_I2_UN:
2358                         CHECK_STACK (&td, 1);
2359                         switch (td.sp [-1].type) {
2360                         case STACK_TYPE_R8:
2361                                 ADD_CODE(&td, MINT_CONV_OVF_I2_R8);
2362                                 break;
2363                         case STACK_TYPE_I4:
2364                                 ADD_CODE(&td, MINT_CONV_OVF_I2_I4);
2365                                 break;
2366                         case STACK_TYPE_I8:
2367                                 ADD_CODE(&td, MINT_CONV_OVF_I2_I8);
2368                                 break;
2369                         default:
2370                                 g_assert_not_reached ();
2371                         }
2372                         ++td.ip;
2373                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2374                         break;
2375                 case CEE_CONV_OVF_U2_UN:
2376                 case CEE_CONV_OVF_U2:
2377                         CHECK_STACK (&td, 1);
2378                         switch (td.sp [-1].type) {
2379                         case STACK_TYPE_R8:
2380                                 ADD_CODE(&td, MINT_CONV_OVF_U2_R8);
2381                                 break;
2382                         case STACK_TYPE_I4:
2383                                 ADD_CODE(&td, MINT_CONV_OVF_U2_I4);
2384                                 break;
2385                         case STACK_TYPE_I8:
2386                                 ADD_CODE(&td, MINT_CONV_OVF_U2_I8);
2387                                 break;
2388                         default:
2389                                 g_assert_not_reached ();
2390                         }
2391                         ++td.ip;
2392                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2393                         break;
2394 #if SIZEOF_VOID_P == 4
2395                 case CEE_CONV_OVF_I:
2396 #endif
2397                 case CEE_CONV_OVF_I4:
2398                 case CEE_CONV_OVF_I4_UN:
2399                         CHECK_STACK (&td, 1);
2400                         switch (td.sp [-1].type) {
2401                         case STACK_TYPE_R8:
2402                                 ADD_CODE(&td, MINT_CONV_OVF_I4_R8);
2403                                 break;
2404                         case STACK_TYPE_I4:
2405                                 if (*td.ip == CEE_CONV_OVF_I4_UN)
2406                                         ADD_CODE(&td, MINT_CONV_OVF_I4_U4);
2407                                 break;
2408                         case STACK_TYPE_I8:
2409                                 ADD_CODE(&td, MINT_CONV_OVF_I4_I8);
2410                                 break;
2411                         default:
2412                                 g_assert_not_reached ();
2413                         }
2414                         ++td.ip;
2415                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2416                         break;
2417 #if SIZEOF_VOID_P == 4
2418                 case CEE_CONV_OVF_U:
2419 #endif
2420                 case CEE_CONV_OVF_U4:
2421                 case CEE_CONV_OVF_U4_UN:
2422                         CHECK_STACK (&td, 1);
2423                         switch (td.sp [-1].type) {
2424                         case STACK_TYPE_R8:
2425                                 ADD_CODE(&td, MINT_CONV_OVF_U4_R8);
2426                                 break;
2427                         case STACK_TYPE_I4:
2428                                 if (*td.ip != CEE_CONV_OVF_U4_UN)
2429                                         ADD_CODE(&td, MINT_CONV_OVF_U4_I4);
2430                                 break;
2431                         case STACK_TYPE_I8:
2432                                 ADD_CODE(&td, MINT_CONV_OVF_U4_I8);
2433                                 break;
2434                         default:
2435                                 g_assert_not_reached ();
2436                         }
2437                         ++td.ip;
2438                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2439                         break;
2440 #if SIZEOF_VOID_P == 8
2441                 case CEE_CONV_OVF_I:
2442 #endif
2443                 case CEE_CONV_OVF_I8:
2444                         CHECK_STACK (&td, 1);
2445                         switch (td.sp [-1].type) {
2446                         case STACK_TYPE_R8:
2447                                 ADD_CODE(&td, MINT_CONV_OVF_I8_R8);
2448                                 break;
2449                         case STACK_TYPE_I4:
2450                                 ADD_CODE(&td, MINT_CONV_I8_I4);
2451                                 break;
2452                         case STACK_TYPE_I8:
2453                                 break;
2454                         default:
2455                                 g_assert_not_reached ();
2456                         }
2457                         ++td.ip;
2458                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I8);
2459                         break;
2460 #if SIZEOF_VOID_P == 8
2461                 case CEE_CONV_OVF_U:
2462 #endif
2463                 case CEE_CONV_OVF_U8:
2464                         CHECK_STACK (&td, 1);
2465                         switch (td.sp [-1].type) {
2466                         case STACK_TYPE_R8:
2467                                 ADD_CODE(&td, MINT_CONV_OVF_U8_R8);
2468                                 break;
2469                         case STACK_TYPE_I4:
2470                                 ADD_CODE(&td, MINT_CONV_OVF_U8_I4);
2471                                 break;
2472                         case STACK_TYPE_I8:
2473                                 break;
2474                         default:
2475                                 g_assert_not_reached ();
2476                         }
2477                         ++td.ip;
2478                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I8);
2479                         break;
2480                 case CEE_LDTOKEN: {
2481                         int size;
2482                         gpointer handle;
2483                         token = read32 (td.ip + 1);
2484                         handle = mono_ldtoken (image, token, &klass, generic_context);
2485                         mt = mint_type(&klass->byval_arg);
2486                         g_assert (mt == MINT_TYPE_VT);
2487                         size = mono_class_value_size (klass, NULL);
2488                         g_assert (size == sizeof(gpointer));
2489                         PUSH_VT(&td, sizeof(gpointer));
2490                         ADD_CODE(&td, MINT_LDTOKEN);
2491                         ADD_CODE(&td, get_data_item_index (&td, handle));
2492                         PUSH_SIMPLE_TYPE(&td, stack_type [mt]);
2493                         td.ip += 5;
2494                         break;
2495                 }
2496                 case CEE_ADD_OVF:
2497                         binary_arith_op(&td, MINT_ADD_OVF_I4);
2498                         ++td.ip;
2499                         break;
2500                 case CEE_ADD_OVF_UN:
2501                         binary_arith_op(&td, MINT_ADD_OVF_UN_I4);
2502                         ++td.ip;
2503                         break;
2504                 case CEE_MUL_OVF:
2505                         binary_arith_op(&td, MINT_MUL_OVF_I4);
2506                         ++td.ip;
2507                         break;
2508                 case CEE_MUL_OVF_UN:
2509                         binary_arith_op(&td, MINT_MUL_OVF_UN_I4);
2510                         ++td.ip;
2511                         break;
2512                 case CEE_SUB_OVF:
2513                         binary_arith_op(&td, MINT_SUB_OVF_I4);
2514                         ++td.ip;
2515                         break;
2516                 case CEE_SUB_OVF_UN:
2517                         binary_arith_op(&td, MINT_SUB_OVF_UN_I4);
2518                         ++td.ip;
2519                         break;
2520                 case CEE_ENDFINALLY:
2521                         SIMPLE_OP (td, MINT_ENDFINALLY);
2522                         generating_code = 0;
2523                         break;
2524                 case CEE_LEAVE:
2525                         td.sp = td.stack;
2526                         handle_branch (&td, MINT_LEAVE_S, MINT_LEAVE, 5 + read32 (td.ip + 1));
2527                         td.ip += 5;
2528                         generating_code = 0;
2529                         break;
2530                 case CEE_LEAVE_S:
2531                         td.sp = td.stack;
2532                         handle_branch (&td, MINT_LEAVE_S, MINT_LEAVE, 2 + (gint8)td.ip [1]);
2533                         td.ip += 2;
2534                         generating_code = 0;
2535                         break;
2536                 case CEE_UNUSED41:
2537                         ++td.ip;
2538                         switch (*td.ip) {
2539                                 case CEE_MONO_CALLI_EXTRA_ARG:
2540                                         /* Same as CEE_CALLI, llvm specific */
2541                                         interp_transform_call (&td, method, NULL, domain, generic_context, is_bb_start, body_start_offset);
2542                                         break;
2543                                 case CEE_MONO_ICALL: {
2544                                         guint32 token;
2545                                         gpointer func;
2546                                         MonoJitICallInfo *info;
2547
2548                                         token = read32 (td.ip + 1);
2549                                         td.ip += 5;
2550                                         func = mono_method_get_wrapper_data (method, token);
2551                                         info = mono_find_jit_icall_by_addr (func);
2552                                         g_assert (info);
2553
2554                                         CHECK_STACK (&td, info->sig->param_count);
2555                                         switch (info->sig->param_count) {
2556                                         case 0:
2557                                                 if (MONO_TYPE_IS_VOID (info->sig->ret))
2558                                                         ADD_CODE (&td,MINT_ICALL_V_V);
2559                                                 else
2560                                                         ADD_CODE (&td, MINT_ICALL_V_P);
2561                                                 break;
2562                                         case 1:
2563                                                 if (MONO_TYPE_IS_VOID (info->sig->ret))
2564                                                         ADD_CODE (&td,MINT_ICALL_P_V);
2565                                                 else
2566                                                         ADD_CODE (&td,MINT_ICALL_P_P);
2567                                                 break;
2568                                         case 2:
2569                                                 if (MONO_TYPE_IS_VOID (info->sig->ret)) {
2570                                                         if (info->sig->params [1]->type == MONO_TYPE_I4)
2571                                                                 ADD_CODE (&td,MINT_ICALL_PI_V);
2572                                                         else
2573                                                                 ADD_CODE (&td,MINT_ICALL_PP_V);
2574                                                 } else {
2575                                                         if (info->sig->params [1]->type == MONO_TYPE_I4)
2576                                                                 ADD_CODE (&td,MINT_ICALL_PI_P);
2577                                                         else
2578                                                                 ADD_CODE (&td,MINT_ICALL_PP_P);
2579                                                 }
2580                                                 break;
2581                                         case 3:
2582                                                 g_assert (MONO_TYPE_IS_VOID (info->sig->ret));
2583                                                 if (info->sig->params [2]->type == MONO_TYPE_I4)
2584                                                         ADD_CODE (&td,MINT_ICALL_PPI_V);
2585                                                 else
2586                                                         ADD_CODE (&td,MINT_ICALL_PPP_V);
2587                                                 break;
2588                                         default:
2589                                                 g_assert_not_reached ();
2590                                         }
2591
2592                                         if (func == mono_ftnptr_to_delegate) {
2593                                                 g_error ("TODO: ?");
2594                                                 func = mono_interp_ftnptr_to_delegate;
2595                                         }
2596                                         ADD_CODE(&td, get_data_item_index (&td, func));
2597                                         td.sp -= info->sig->param_count;
2598
2599                                         if (!MONO_TYPE_IS_VOID (info->sig->ret)) {
2600                                                 td.sp ++;
2601                                                 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I);
2602                                         }
2603                                         break;
2604                                 }
2605                         case CEE_MONO_VTADDR: {
2606                                 int size;
2607                                 CHECK_STACK (&td, 1);
2608                                 if (method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE)
2609                                         size = mono_class_native_size(td.sp [-1].klass, NULL);
2610                                 else
2611                                         size = mono_class_value_size(td.sp [-1].klass, NULL);
2612                                 size = (size + 7) & ~7;
2613                                 ADD_CODE(&td, MINT_VTRESULT);
2614                                 ADD_CODE(&td, 0);
2615                                 WRITE32(&td, &size);
2616                                 td.vt_sp -= size;
2617                                 ++td.ip;
2618                                 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_MP);
2619                                 break;
2620                         }
2621                         case CEE_MONO_LDPTR:
2622                         case CEE_MONO_CLASSCONST:
2623                                 token = read32 (td.ip + 1);
2624                                 td.ip += 5;
2625                                 ADD_CODE(&td, MINT_MONO_LDPTR);
2626                                 ADD_CODE(&td, get_data_item_index (&td, mono_method_get_wrapper_data (method, token)));
2627                                 td.sp [0].type = STACK_TYPE_I;
2628                                 ++td.sp;
2629                                 break;
2630                         case CEE_MONO_OBJADDR:
2631                                 CHECK_STACK (&td, 1);
2632                                 ++td.ip;
2633                                 td.sp[-1].type = STACK_TYPE_MP;
2634                                 /* do nothing? */
2635                                 break;
2636                         case CEE_MONO_NEWOBJ:
2637                                 token = read32 (td.ip + 1);
2638                                 td.ip += 5;
2639                                 ADD_CODE(&td, MINT_MONO_NEWOBJ);
2640                                 ADD_CODE(&td, get_data_item_index (&td, mono_method_get_wrapper_data (method, token)));
2641                                 td.sp [0].type = STACK_TYPE_O;
2642                                 ++td.sp;
2643                                 break;
2644                         case CEE_MONO_RETOBJ:
2645                                 CHECK_STACK (&td, 1);
2646                                 token = read32 (td.ip + 1);
2647                                 td.ip += 5;
2648                                 ADD_CODE(&td, MINT_MONO_RETOBJ);
2649                                 td.sp--;
2650
2651                                 klass = (MonoClass *)mono_method_get_wrapper_data (method, token);
2652
2653                                 /*stackval_from_data (signature->ret, frame->retval, sp->data.vt, signature->pinvoke);*/
2654
2655                                 if (td.sp > td.stack)
2656                                         g_warning ("CEE_MONO_RETOBJ: more values on stack: %d", td.sp-td.stack);
2657                                 break;
2658                         case CEE_MONO_LDNATIVEOBJ:
2659                                 token = read32 (td.ip + 1);
2660                                 td.ip += 5;
2661                                 klass = (MonoClass *)mono_method_get_wrapper_data (method, token);
2662                                 g_assert(klass->valuetype);
2663                                 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_MP);
2664                                 break;
2665                         case CEE_MONO_SAVE_LMF:
2666                         case CEE_MONO_RESTORE_LMF:
2667                         case CEE_MONO_NOT_TAKEN:
2668                                 ++td.ip;
2669                                 break;
2670                         case CEE_MONO_LDPTR_INT_REQ_FLAG:
2671                                 ADD_CODE (&td, MINT_MONO_LDPTR);
2672                                 ADD_CODE (&td, get_data_item_index (&td, mono_thread_interruption_request_flag ()));
2673                                 PUSH_TYPE (&td, STACK_TYPE_MP, NULL);
2674                                 ++td.ip;
2675                                 break;
2676                         default:
2677                                 g_error ("transform.c: Unimplemented opcode: 0xF0 %02x at 0x%x\n", *td.ip, td.ip-header->code);
2678                         }
2679                         break;
2680 #if 0
2681                 case CEE_PREFIX7:
2682                 case CEE_PREFIX6:
2683                 case CEE_PREFIX5:
2684                 case CEE_PREFIX4:
2685                 case CEE_PREFIX3:
2686                 case CEE_PREFIX2:
2687                 case CEE_PREFIXREF: ves_abort(); break;
2688 #endif
2689                 /*
2690                  * Note: Exceptions thrown when executing a prefixed opcode need
2691                  * to take into account the number of prefix bytes (usually the
2692                  * throw point is just (ip - n_prefix_bytes).
2693                  */
2694                 case CEE_PREFIX1:
2695                         ++td.ip;
2696                         switch (*td.ip) {
2697 #if 0
2698                         case CEE_ARGLIST: ves_abort(); break;
2699 #endif
2700                         case CEE_CEQ:
2701                                 CHECK_STACK(&td, 2);
2702                                 if (td.sp [-1].type == STACK_TYPE_O || td.sp [-1].type == STACK_TYPE_MP)
2703                                         ADD_CODE(&td, MINT_CEQ_I4 + STACK_TYPE_I - STACK_TYPE_I4);
2704                                 else
2705                                         ADD_CODE(&td, MINT_CEQ_I4 + td.sp [-1].type - STACK_TYPE_I4);
2706                                 --td.sp;
2707                                 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2708                                 ++td.ip;
2709                                 break;
2710                         case CEE_CGT:
2711                                 CHECK_STACK(&td, 2);
2712                                 if (td.sp [-1].type == STACK_TYPE_O || td.sp [-1].type == STACK_TYPE_MP)
2713                                         ADD_CODE(&td, MINT_CGT_I4 + STACK_TYPE_I - STACK_TYPE_I4);
2714                                 else
2715                                         ADD_CODE(&td, MINT_CGT_I4 + td.sp [-1].type - STACK_TYPE_I4);
2716                                 --td.sp;
2717                                 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2718                                 ++td.ip;
2719                                 break;
2720                         case CEE_CGT_UN:
2721                                 CHECK_STACK(&td, 2);
2722                                 if (td.sp [-1].type == STACK_TYPE_O || td.sp [-1].type == STACK_TYPE_MP)
2723                                         ADD_CODE(&td, MINT_CGT_UN_I4 + STACK_TYPE_I - STACK_TYPE_I4);
2724                                 else
2725                                         ADD_CODE(&td, MINT_CGT_UN_I4 + td.sp [-1].type - STACK_TYPE_I4);
2726                                 --td.sp;
2727                                 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2728                                 ++td.ip;
2729                                 break;
2730                         case CEE_CLT:
2731                                 CHECK_STACK(&td, 2);
2732                                 if (td.sp [-1].type == STACK_TYPE_O || td.sp [-1].type == STACK_TYPE_MP)
2733                                         ADD_CODE(&td, MINT_CLT_I4 + STACK_TYPE_I - STACK_TYPE_I4);
2734                                 else
2735                                         ADD_CODE(&td, MINT_CLT_I4 + td.sp [-1].type - STACK_TYPE_I4);
2736                                 --td.sp;
2737                                 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2738                                 ++td.ip;
2739                                 break;
2740                         case CEE_CLT_UN:
2741                                 CHECK_STACK(&td, 2);
2742                                 if (td.sp [-1].type == STACK_TYPE_O || td.sp [-1].type == STACK_TYPE_MP)
2743                                         ADD_CODE(&td, MINT_CLT_UN_I4 + STACK_TYPE_I - STACK_TYPE_I4);
2744                                 else
2745                                         ADD_CODE(&td, MINT_CLT_UN_I4 + td.sp [-1].type - STACK_TYPE_I4);
2746                                 --td.sp;
2747                                 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2748                                 ++td.ip;
2749                                 break;
2750                         case CEE_LDVIRTFTN: /* fallthrough */
2751                         case CEE_LDFTN: {
2752                                 MonoMethod *m;
2753                                 if (*td.ip == CEE_LDVIRTFTN) {
2754                                         CHECK_STACK (&td, 1);
2755                                         --td.sp;
2756                                 }
2757                                 token = read32 (td.ip + 1);
2758                                 if (method->wrapper_type != MONO_WRAPPER_NONE)
2759                                         m = (MonoMethod *)mono_method_get_wrapper_data (method, token);
2760                                 else
2761                                         m = mono_get_method_full (image, token, NULL, generic_context);
2762
2763                                 if (method->wrapper_type == MONO_WRAPPER_NONE && m->iflags & METHOD_IMPL_ATTRIBUTE_SYNCHRONIZED)
2764                                         m = mono_marshal_get_synchronized_wrapper (m);
2765
2766                                 ADD_CODE(&td, *td.ip == CEE_LDFTN ? MINT_LDFTN : MINT_LDVIRTFTN);
2767                                 ADD_CODE(&td, get_data_item_index (&td, mono_interp_get_runtime_method (domain, m, &error)));
2768                                 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
2769                                 td.ip += 5;
2770                                 PUSH_SIMPLE_TYPE (&td, STACK_TYPE_F);
2771                                 break;
2772                         }
2773                         case CEE_LDARG:
2774                                 load_arg (&td, read16 (td.ip + 1));
2775                                 td.ip += 3;
2776                                 break;
2777                         case CEE_LDARGA: {
2778                                 int n = read16 (td.ip + 1);
2779                                 if (n == 0 && signature->hasthis) {
2780                                         g_error ("LDTHISA: NOPE");
2781                                         ADD_CODE(&td, MINT_LDTHISA);
2782                                 }
2783                                 else {
2784                                         ADD_CODE(&td, MINT_LDARGA);
2785                                         ADD_CODE(&td, td.rtm->arg_offsets [n - signature->hasthis]); /* FIX for large offsets */
2786                                 }
2787                                 PUSH_SIMPLE_TYPE(&td, STACK_TYPE_MP);
2788                                 td.ip += 3;
2789                                 break;
2790                         }
2791                         case CEE_STARG:
2792                                 store_arg (&td, read16 (td.ip + 1));
2793                                 td.ip += 3;
2794                                 break;
2795                         case CEE_LDLOC:
2796                                 load_local (&td, read16 (td.ip + 1));
2797                                 td.ip += 3;
2798                                 break;
2799                         case CEE_LDLOCA:
2800                                 ADD_CODE(&td, MINT_LDLOCA_S);
2801                                 ADD_CODE(&td, td.rtm->local_offsets [read16 (td.ip + 1)]);
2802                                 PUSH_SIMPLE_TYPE(&td, STACK_TYPE_MP);
2803                                 td.ip += 3;
2804                                 break;
2805                         case CEE_STLOC:
2806                                 store_local (&td, read16 (td.ip + 1));
2807                                 td.ip += 3;
2808                                 break;
2809                         case CEE_LOCALLOC:
2810                                 CHECK_STACK (&td, 1);
2811 #if SIZEOF_VOID_P == 8
2812                                 if (td.sp [-1].type == STACK_TYPE_I8)
2813                                         ADD_CODE(&td, MINT_CONV_I4_I8);
2814 #endif
2815                                 ADD_CODE(&td, MINT_LOCALLOC);
2816                                 if (td.sp != td.stack + 1)
2817                                         g_warning("CEE_LOCALLOC: stack not empty");
2818                                 ++td.ip;
2819                                 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_MP);
2820                                 break;
2821 #if 0
2822                         case CEE_UNUSED57: ves_abort(); break;
2823                         case CEE_ENDFILTER: ves_abort(); break;
2824 #endif
2825                         case CEE_UNALIGNED_:
2826                                 ++td.ip;
2827                                 /* FIX: should do something? */;
2828                                 break;
2829                         case CEE_VOLATILE_:
2830                                 ++td.ip;
2831                                 /* FIX: should do something? */;
2832                                 break;
2833                         case CEE_TAIL_:
2834                                 ++td.ip;
2835                                 /* FIX: should do something? */;
2836                                 break;
2837                         case CEE_INITOBJ:
2838                                 CHECK_STACK(&td, 1);
2839                                 token = read32 (td.ip + 1);
2840                                 klass = mono_class_get_full (image, token, generic_context);
2841                                 ADD_CODE(&td, MINT_INITOBJ);
2842                                 i32 = mono_class_value_size (klass, NULL);
2843                                 WRITE32(&td, &i32);
2844                                 td.ip += 5;
2845                                 --td.sp;
2846                                 break;
2847                         case CEE_CPBLK:
2848                                 CHECK_STACK(&td, 3);
2849                                 /* FIX? convert length to I8? */
2850                                 ADD_CODE(&td, MINT_CPBLK);
2851                                 td.sp -= 3;
2852                                 ++td.ip;
2853                                 break;
2854 #if 0
2855                         case CEE_CONSTRAINED_: {
2856                                 guint32 token;
2857                                 /* FIXME: implement */
2858                                 ++ip;
2859                                 token = read32 (ip);
2860                                 ip += 4;
2861                                 break;
2862                         }
2863 #endif
2864                         case CEE_INITBLK:
2865                                 CHECK_STACK(&td, 3);
2866                                 ADD_CODE(&td, MINT_INITBLK);
2867                                 td.sp -= 3;
2868                                 break;
2869 #if 0
2870                         case CEE_NO_:
2871                                 /* FIXME: implement */
2872                                 ip += 2;
2873                                 break;
2874 #endif
2875                         case CEE_RETHROW:
2876                                 SIMPLE_OP (td, MINT_RETHROW);
2877                                 generating_code = 0;
2878                                 break;
2879                         case CEE_SIZEOF: {
2880                                 gint32 size;
2881                                 token = read32 (td.ip + 1);
2882                                 td.ip += 5;
2883                                 if (mono_metadata_token_table (token) == MONO_TABLE_TYPESPEC) {
2884                                         int align;
2885                                         MonoType *type = mono_type_create_from_typespec (image, token);
2886                                         size = mono_type_size (type, &align);
2887                                 } else {
2888                                         guint32 align;
2889                                         MonoClass *szclass = mono_class_get_full (image, token, generic_context);
2890                                         mono_class_init (szclass);
2891 #if 0
2892                                         if (!szclass->valuetype)
2893                                                 THROW_EX (mono_exception_from_name (mono_defaults.corlib, "System", "InvalidProgramException"), ip - 5);
2894 #endif
2895                                         size = mono_class_value_size (szclass, &align);
2896                                 }
2897                                 ADD_CODE(&td, MINT_LDC_I4);
2898                                 WRITE32(&td, &size);
2899                                 PUSH_SIMPLE_TYPE(&td, STACK_TYPE_I4);
2900                                 break;
2901                         }
2902 #if 0
2903                         case CEE_REFANYTYPE: ves_abort(); break;
2904 #endif
2905                         default:
2906                                 g_error ("transform.c: Unimplemented opcode: 0xFE %02x (%s) at 0x%x\n", *td.ip, mono_opcode_name (256 + *td.ip), td.ip-header->code);
2907                         }
2908                         break;
2909                 default:
2910                         g_error ("transform.c: Unimplemented opcode: %02x at 0x%x\n", *td.ip, td.ip-header->code);
2911                 }
2912
2913                 if (td.new_ip - td.new_code != new_in_start_offset)
2914                         td.last_new_ip = td.new_code + new_in_start_offset;
2915                 else if (td.is_bb_start [td.in_start - td.il_code])
2916                         td.is_bb_start [td.ip - td.il_code] = 1;
2917
2918                 td.last_ip = td.in_start;
2919         }
2920
2921         if (mono_interp_traceopt) {
2922                 const guint16 *p = td.new_code;
2923                 printf("Runtime method: %p, VT stack size: %d\n", rtm, td.max_vt_sp);
2924                 printf("Calculated stack size: %d, stated size: %d\n", td.max_stack_height, header->max_stack);
2925                 while (p < td.new_ip) {
2926                         p = mono_interp_dis_mintop(td.new_code, p);
2927                         printf("\n");
2928                 }
2929         }
2930
2931         rtm->clauses = mono_mempool_alloc (domain->mp, header->num_clauses * sizeof(MonoExceptionClause));
2932         memcpy (rtm->clauses, header->clauses, header->num_clauses * sizeof(MonoExceptionClause));
2933         rtm->code = mono_mempool_alloc (domain->mp, (td.new_ip - td.new_code) * sizeof(gushort));
2934         memcpy (rtm->code, td.new_code, (td.new_ip - td.new_code) * sizeof(gushort));
2935         g_free (td.new_code);
2936         rtm->new_body_start = rtm->code + body_start_offset;
2937         rtm->num_clauses = header->num_clauses;
2938         for (i = 0; i < header->num_clauses; i++) {
2939                 MonoExceptionClause *c = rtm->clauses + i;
2940                 int end_off = c->try_offset + c->try_len;
2941                 c->try_offset = td.in_offsets [c->try_offset];
2942                 c->try_len = td.in_offsets [end_off] - c->try_offset;
2943                 end_off = c->handler_offset + c->handler_len;
2944                 c->handler_offset = td.in_offsets [c->handler_offset];
2945                 c->handler_len = td.in_offsets [end_off] - c->handler_offset;
2946         }
2947         rtm->vt_stack_size = td.max_vt_sp;
2948         rtm->alloca_size = rtm->locals_size + rtm->args_size + rtm->vt_stack_size + rtm->stack_size;
2949         rtm->data_items = mono_mempool_alloc (domain->mp, td.n_data_items * sizeof (td.data_items [0]));
2950         memcpy (rtm->data_items, td.data_items, td.n_data_items * sizeof (td.data_items [0]));
2951         g_free (td.in_offsets);
2952         g_free (td.forward_refs);
2953         for (i = 0; i < header->code_size; ++i)
2954                 g_free (td.stack_state [i]);
2955         g_free (td.stack_state);
2956         g_free (td.stack_height);
2957         g_free (td.vt_stack_size);
2958         g_free (td.data_items);
2959         g_hash_table_destroy (td.data_hash);
2960 }
2961
2962 static mono_mutex_t calc_section;
2963
2964 void
2965 mono_interp_transform_init (void)
2966 {
2967         mono_os_mutex_init_recursive(&calc_section);
2968 }
2969
2970 MonoException *
2971 mono_interp_transform_method (RuntimeMethod *runtime_method, ThreadContext *context)
2972 {
2973         int i, align, size, offset;
2974         MonoMethod *method = runtime_method->method;
2975         MonoImage *image = method->klass->image;
2976         MonoMethodHeader *header = mono_method_get_header (method);
2977         MonoMethodSignature *signature = mono_method_signature (method);
2978         register const unsigned char *ip, *end;
2979         const MonoOpcode *opcode;
2980         MonoMethod *m;
2981         MonoClass *class;
2982         MonoDomain *domain = mono_domain_get ();
2983         unsigned char *is_bb_start;
2984         int in;
2985         MonoVTable *method_class_vt;
2986         int backwards;
2987         MonoGenericContext *generic_context = NULL;
2988
2989         // g_printerr ("TRANSFORM(0x%016lx): begin %s::%s\n", mono_thread_current (), method->klass->name, method->name);
2990         method_class_vt = mono_class_vtable (domain, runtime_method->method->klass);
2991         if (!method_class_vt->initialized) {
2992                 jmp_buf env;
2993                 MonoInvocation *last_env_frame = context->env_frame;
2994                 jmp_buf *old_env = context->current_env;
2995
2996                 if (setjmp(env)) {
2997                         MonoException *failed = context->env_frame->ex;
2998                         context->env_frame->ex = NULL;
2999                         context->env_frame = last_env_frame;
3000                         context->current_env = old_env;
3001                         return failed;
3002                 }
3003                 context->env_frame = context->current_frame;
3004                 context->current_env = &env;
3005                 mono_runtime_class_init (method_class_vt);
3006                 context->env_frame = last_env_frame;
3007                 context->current_env = old_env;
3008         }
3009
3010         mono_profiler_method_jit (method); /* sort of... */
3011
3012         if (mono_method_signature (method)->is_inflated)
3013                 generic_context = &((MonoMethodInflated *) method)->context;
3014
3015         if (method->iflags & (METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL | METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
3016                 MonoMethod *nm = NULL;
3017                 mono_os_mutex_lock(&calc_section);
3018                 if (runtime_method->transformed) {
3019                         mono_os_mutex_unlock(&calc_section);
3020                         g_error ("FIXME: no jit info?");
3021                         mono_profiler_method_end_jit (method, NULL, MONO_PROFILE_OK);
3022                         return NULL;
3023                 }
3024
3025                 /* assumes all internal calls with an array this are built in... */
3026                 if (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL && (! mono_method_signature (method)->hasthis || method->klass->rank == 0)) {
3027                         nm = mono_marshal_get_native_wrapper (method, TRUE, FALSE);
3028                         signature = mono_method_signature (nm);
3029                 } else {
3030                         const char *name = method->name;
3031                         if (method->klass->parent == mono_defaults.multicastdelegate_class) {
3032                                 if (*name == 'I' && (strcmp (name, "Invoke") == 0)) {
3033                                         nm = mono_marshal_get_delegate_invoke (method, NULL);
3034                                 } else if (*name == 'B' && (strcmp (name, "BeginInvoke") == 0)) {
3035                                         nm = mono_marshal_get_delegate_begin_invoke (method);
3036                                 } else if (*name == 'E' && (strcmp (name, "EndInvoke") == 0)) {
3037                                         nm = mono_marshal_get_delegate_end_invoke (method);
3038                                 }
3039                         }
3040                         if (nm == NULL) {
3041                                 runtime_method->code = g_malloc(sizeof(short));
3042                                 runtime_method->code[0] = MINT_CALLRUN;
3043                         }
3044                 }
3045                 if (nm == NULL) {
3046                         runtime_method->stack_size = sizeof (stackval); /* for tracing */
3047                         runtime_method->alloca_size = runtime_method->stack_size;
3048                         runtime_method->transformed = TRUE;
3049                         mono_os_mutex_unlock(&calc_section);
3050                         mono_profiler_method_end_jit (method, NULL, MONO_PROFILE_OK);
3051                         return NULL;
3052                 }
3053                 method = nm;
3054                 header = mono_method_get_header (nm);
3055                 mono_os_mutex_unlock(&calc_section);
3056         }
3057         g_assert ((signature->param_count + signature->hasthis) < 1000);
3058         g_assert (header->max_stack < 10000);
3059         /* intern the strings in the method. */
3060         ip = header->code;
3061         end = ip + header->code_size;
3062
3063         is_bb_start = g_malloc0(header->code_size);
3064         is_bb_start [0] = 1;
3065         while (ip < end) {
3066                 in = *ip;
3067                 if (in == 0xfe) {
3068                         ip++;
3069                         in = *ip + 256;
3070                 }
3071                 else if (in == 0xf0) {
3072                         ip++;
3073                         in = *ip + MONO_CEE_MONO_ICALL;
3074                 }
3075                 opcode = &mono_opcodes [in];
3076                 switch (opcode->argument) {
3077                 case MonoInlineNone:
3078                         ++ip;
3079                         break;
3080                 case MonoInlineString:
3081                         if (method->wrapper_type == MONO_WRAPPER_NONE)
3082                                 mono_ldstr (domain, image, mono_metadata_token_index (read32 (ip + 1)));
3083                         ip += 5;
3084                         break;
3085                 case MonoInlineType:
3086                         if (method->wrapper_type == MONO_WRAPPER_NONE) {
3087                                 class = mono_class_get_full (image, read32 (ip + 1), generic_context);
3088                                 mono_class_init (class);
3089                                 /* quick fix to not do this for the fake ptr classes - probably should not be getting the vtable at all here */
3090 #if 0
3091                                 g_error ("FIXME: interface method lookup: %s (in method %s)", class->name, method->name);
3092                                 if (!(class->flags & TYPE_ATTRIBUTE_INTERFACE) && class->interface_offsets != NULL)
3093                                         mono_class_vtable (domain, class);
3094 #endif
3095                         }
3096                         ip += 5;
3097                         break;
3098                 case MonoInlineMethod:
3099                         if (method->wrapper_type == MONO_WRAPPER_NONE && *ip != CEE_CALLI) {
3100                                 m = mono_get_method_full (image, read32 (ip + 1), NULL, generic_context);
3101                                 if (m == NULL) {
3102                                         g_free (is_bb_start);
3103                                         g_error ("FIXME: where to get method and class string?");
3104                                         return NULL;
3105                                         // return mono_get_exception_missing_method ();
3106                                 }
3107                                 mono_class_init (m->klass);
3108                                 if (!mono_class_is_interface (m->klass))
3109                                         mono_class_vtable (domain, m->klass);
3110                         }
3111                         ip += 5;
3112                         break;
3113                 case MonoInlineField:
3114                 case MonoInlineSig:
3115                 case MonoInlineI:
3116                 case MonoInlineTok:
3117                 case MonoShortInlineR:
3118                         ip += 5;
3119                         break;
3120                 case MonoInlineBrTarget:
3121                         offset = read32 (ip + 1);
3122                         ip += 5;
3123                         backwards = offset < 0;
3124                         offset += ip - header->code;
3125                         g_assert (offset >= 0 && offset < header->code_size);
3126                         is_bb_start [offset] |= backwards ? 2 : 1;
3127                         break;
3128                 case MonoShortInlineBrTarget:
3129                         offset = ((gint8 *)ip) [1];
3130                         ip += 2;
3131                         backwards = offset < 0;
3132                         offset += ip - header->code;
3133                         g_assert (offset >= 0 && offset < header->code_size);
3134                         is_bb_start [offset] |= backwards ? 2 : 1;
3135                         break;
3136                 case MonoInlineVar:
3137                         ip += 3;
3138                         break;
3139                 case MonoShortInlineVar:
3140                 case MonoShortInlineI:
3141                         ip += 2;
3142                         break;
3143                 case MonoInlineSwitch: {
3144                         guint32 n;
3145                         const unsigned char *next_ip;
3146                         ++ip;
3147                         n = read32 (ip);
3148                         ip += 4;
3149                         next_ip = ip + 4 * n;
3150                         for (i = 0; i < n; i++) {
3151                                 offset = read32 (ip);
3152                                 backwards = offset < 0;
3153                                 offset += next_ip - header->code;
3154                                 g_assert (offset >= 0 && offset < header->code_size);
3155                                 is_bb_start [offset] |= backwards ? 2 : 1;
3156                                 ip += 4;
3157                         }
3158                         break;
3159                 }
3160                 case MonoInlineR:
3161                 case MonoInlineI8:
3162                         ip += 9;
3163                         break;
3164                 default:
3165                         g_assert_not_reached ();
3166                 }
3167         }
3168         // g_printerr ("TRANSFORM(0x%016lx): end %s::%s\n", mono_thread_current (), method->klass->name, method->name);
3169
3170         /* the rest needs to be locked so it is only done once */
3171         mono_os_mutex_lock(&calc_section);
3172         if (runtime_method->transformed) {
3173                 mono_os_mutex_unlock(&calc_section);
3174                 g_free (is_bb_start);
3175                 mono_profiler_method_end_jit (method, NULL, MONO_PROFILE_OK);
3176                 return NULL;
3177         }
3178
3179         runtime_method->local_offsets = g_malloc (header->num_locals * sizeof(guint32));
3180         runtime_method->stack_size = (sizeof (stackval) + 2) * header->max_stack; /* + 1 for returns of called functions  + 1 for 0-ing in trace*/
3181         runtime_method->stack_size = (runtime_method->stack_size + 7) & ~7;
3182         offset = 0;
3183         for (i = 0; i < header->num_locals; ++i) {
3184                 size = mono_type_size (header->locals [i], &align);
3185                 offset += align - 1;
3186                 offset &= ~(align - 1);
3187                 runtime_method->local_offsets [i] = offset;
3188                 offset += size;
3189         }
3190         offset = (offset + 7) & ~7;
3191         runtime_method->locals_size = offset;
3192         g_assert (runtime_method->locals_size < 65536);
3193         offset = 0;
3194         runtime_method->arg_offsets = g_malloc ((!!signature->hasthis + signature->param_count) * sizeof(guint32));
3195
3196         if (signature->hasthis) {
3197                 g_assert (!signature->pinvoke);
3198                 size = mono_type_stack_size (&method->klass->byval_arg, &align);
3199                 offset += align - 1;
3200                 offset &= ~(align - 1);
3201                 runtime_method->arg_offsets [0] = offset;
3202                 offset += size;
3203         }
3204
3205         for (i = 0; i < signature->param_count; ++i) {
3206                 if (signature->pinvoke) {
3207                         guint32 dummy;
3208                         size = mono_type_native_stack_size (signature->params [i], &dummy);
3209                         align = 8;
3210                 }
3211                 else
3212                         size = mono_type_stack_size (signature->params [i], &align);
3213                 offset += align - 1;
3214                 offset &= ~(align - 1);
3215                 runtime_method->arg_offsets [i + !!signature->hasthis] = offset;
3216                 offset += size;
3217         }
3218         offset = (offset + 7) & ~7;
3219         runtime_method->args_size = offset;
3220         g_assert (runtime_method->args_size < 10000);
3221
3222         generate(method, runtime_method, is_bb_start);
3223
3224         g_free (is_bb_start);
3225
3226         mono_profiler_method_end_jit (method, NULL, MONO_PROFILE_OK);
3227         runtime_method->transformed = TRUE;
3228         mono_os_mutex_unlock(&calc_section);
3229
3230         return NULL;
3231 }
3232