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-internals.h"
  22 #include "interp.h"
  23
  24 // TODO: export from marshal.c
  25 MonoDelegate* mono_ftnptr_to_delegate (MonoClass *klass, gpointer ftn);
  26
  27 #define DEBUG 0
  28
  29 typedef struct
  30 {
  31         MonoClass *klass;
  32         unsigned char type;
  33         unsigned char flags;
  34 } StackInfo;
  35
  36 typedef struct
  37 {
  38         MonoMethod *method;
  39         MonoMethodHeader *header;
  40         RuntimeMethod *rtm;
  41         const unsigned char *il_code;
  42         const unsigned char *ip;
  43         const unsigned char *last_ip;
  44         const unsigned char *in_start;
  45         int code_size;
  46         int *in_offsets;
  47         int *forward_refs;
  48         StackInfo **stack_state;
  49         int *stack_height;
  50         int *vt_stack_size;
  51         unsigned char *is_bb_start;
  52         unsigned short *new_code;
  53         unsigned short *new_code_end;
  54         unsigned short *new_ip;
  55         unsigned short *last_new_ip;
  56         unsigned int max_code_size;
  57         StackInfo *stack;
  58         StackInfo *sp;
  59         unsigned int max_stack_height;
  60         unsigned int vt_sp;
  61         unsigned int max_vt_sp;
  62         int n_data_items;
  63         int max_data_items;
  64         void **data_items;
  65         GHashTable *data_hash;
  66 } TransformData;
  67
  68 #define MINT_TYPE_I1 0
  69 #define MINT_TYPE_U1 1
  70 #define MINT_TYPE_I2 2
  71 #define MINT_TYPE_U2 3
  72 #define MINT_TYPE_I4 4
  73 #define MINT_TYPE_I8 5
  74 #define MINT_TYPE_R4 6
  75 #define MINT_TYPE_R8 7
  76 #define MINT_TYPE_O  8
  77 #define MINT_TYPE_P  9
  78 #define MINT_TYPE_VT 10
  79
  80 #define STACK_TYPE_I4 0
  81 #define STACK_TYPE_I8 1
  82 #define STACK_TYPE_R8 2
  83 #define STACK_TYPE_O  3
  84 #define STACK_TYPE_VT 4
  85 #define STACK_TYPE_MP 5
  86 #define STACK_TYPE_F  6
  87
  88 static const char *stack_type_string [] = { "I4", "I8", "R8", "O ", "VT", "MP", "F " };
  89
  90 #if SIZEOF_VOID_P == 8
  91 #define STACK_TYPE_I STACK_TYPE_I8
  92 #else
  93 #define STACK_TYPE_I STACK_TYPE_I4
  94 #endif
  95
  96 static int stack_type [] = {
  97         STACK_TYPE_I4, /*I1*/
  98         STACK_TYPE_I4, /*U1*/
  99         STACK_TYPE_I4, /*I2*/
 100         STACK_TYPE_I4, /*U2*/
 101         STACK_TYPE_I4, /*I4*/
 102         STACK_TYPE_I8, /*I8*/
 103         STACK_TYPE_R8, /*R4*/
 104         STACK_TYPE_R8, /*R8*/
 105         STACK_TYPE_O,  /*O*/
 106         STACK_TYPE_MP, /*P*/
 107         STACK_TYPE_VT
 108 };
 109
 110 static void
 111 grow_code (TransformData *td)
 112 {
 113         unsigned int old_ip_offset = td->new_ip - td->new_code;
 114         unsigned int old_last_ip_offset = td->last_new_ip - td->new_code;
 115         g_assert (old_ip_offset <= td->max_code_size);
 116         td->new_code = g_realloc (td->new_code, (td->max_code_size *= 2) * sizeof (td->new_code [0]));
 117         td->new_code_end = td->new_code + td->max_code_size;
 118         td->new_ip = td->new_code + old_ip_offset;
 119         td->last_new_ip = td->new_code + old_last_ip_offset;
 120 }
 121
 122 #define ENSURE_CODE(td, n) \
 123         do { \
 124                 if ((td)->new_ip + (n) > (td)->new_code_end) \
 125                         grow_code (td); \
 126         } while (0)
 127
 128 #define ADD_CODE(td, n) \
 129         do { \
 130                 if ((td)->new_ip == (td)->new_code_end) \
 131                         grow_code (td); \
 132                 *(td)->new_ip++ = (n); \
 133         } while (0)
 134
 135 #define CHECK_STACK(td, n) \
 136         do { \
 137                 int stack_size = (td)->sp - (td)->stack; \
 138                 if (stack_size < (n)) \
 139                         g_warning ("%s.%s: not enough values (%d < %d) on stack at %04x", \
 140                                 (td)->method->klass->name, (td)->method->name, \
 141                                 stack_size, n, (td)->ip - (td)->il_code); \
 142         } while (0)
 143
 144 #define ENSURE_I4(td, sp_off) \
 145         do { \
 146                 if ((td)->sp [-sp_off].type == STACK_TYPE_I8) \
 147                         ADD_CODE(td, sp_off == 1 ? MINT_CONV_I4_I8 : MINT_CONV_I4_I8_SP); \
 148         } while (0)
 149
 150 static void
 151 handle_branch(TransformData *td, int short_op, int long_op, int offset)
 152 {
 153         int shorten_branch = 0;
 154         int target = td->ip + offset - td->il_code;
 155         if (target < 0 || target >= td->code_size)
 156                 g_assert_not_reached ();
 157         if (offset > 0 && td->stack_height [target] < 0) {
 158                 td->stack_height [target] = td->sp - td->stack;
 159                 if (td->stack_height [target] > 0)
 160                         td->stack_state [target] = g_memdup (td->stack, td->stack_height [target] * sizeof (td->stack [0]));
 161                 td->vt_stack_size [target] = td->vt_sp;
 162         }
 163         if (offset < 0) {
 164                 offset = td->in_offsets [target] - (td->new_ip - td->new_code);
 165                 if (offset >= -32768) {
 166                         shorten_branch = 1;
 167                 }
 168         } else {
 169                 int prev = td->forward_refs [target];
 170                 td->forward_refs [td->ip - td->il_code] = prev;
 171                 td->forward_refs [target] = td->ip - td->il_code;
 172                 offset = 0;
 173                 if (td->header->code_size <= 25000) /* FIX to be precise somehow? */
 174                         shorten_branch = 1;
 175         }
 176         if (shorten_branch) {
 177                 ADD_CODE(td, short_op);
 178                 ADD_CODE(td, offset);
 179         } else {
 180                 ADD_CODE(td, long_op);
 181                 ADD_CODE(td, * (unsigned short *)(&offset));
 182                 ADD_CODE(td, * ((unsigned short *)&offset + 1));
 183         }
 184 }
 185
 186 static void
 187 one_arg_branch(TransformData *td, int mint_op, int offset)
 188 {
 189         int type = td->sp [-1].type == STACK_TYPE_O || td->sp [-1].type == STACK_TYPE_MP ? STACK_TYPE_I : td->sp [-1].type;
 190         int long_op = mint_op + type - STACK_TYPE_I4;
 191         int short_op = long_op + MINT_BRFALSE_I4_S - MINT_BRFALSE_I4;
 192         CHECK_STACK(td, 1);
 193         --td->sp;
 194         handle_branch (td, short_op, long_op, offset);
 195 }
 196
 197 static void
 198 two_arg_branch(TransformData *td, int mint_op, int offset)
 199 {
 200         int type1 = td->sp [-1].type == STACK_TYPE_O || td->sp [-1].type == STACK_TYPE_MP ? STACK_TYPE_I : td->sp [-1].type;
 201         int type2 = td->sp [-2].type == STACK_TYPE_O || td->sp [-2].type == STACK_TYPE_MP ? STACK_TYPE_I : td->sp [-2].type;
 202         int long_op = mint_op + type1 - STACK_TYPE_I4;
 203         int short_op = long_op + MINT_BEQ_I4_S - MINT_BEQ_I4;
 204         CHECK_STACK(td, 2);
 205         if (type1 == STACK_TYPE_I4 && type2 == STACK_TYPE_I8) {
 206                 ADD_CODE(td, MINT_CONV_I8_I4);
 207                 td->in_offsets [td->ip - td->il_code]++;
 208         } else if (type1 == STACK_TYPE_I8 && type2 == STACK_TYPE_I4) {
 209                 ADD_CODE(td, MINT_CONV_I8_I4_SP);
 210                 td->in_offsets [td->ip - td->il_code]++;
 211         } else if (type1 != type2) {
 212                 g_warning("%s.%s: branch type mismatch %d %d",
 213                         td->method->klass->name, td->method->name,
 214                         td->sp [-1].type, td->sp [-2].type);
 215         }
 216         td->sp -= 2;
 217         handle_branch (td, short_op, long_op, offset);
 218 }
 219
 220 static void
 221 unary_arith_op(TransformData *td, int mint_op)
 222 {
 223         int op = mint_op + td->sp [-1].type - STACK_TYPE_I4;
 224         CHECK_STACK(td, 1);
 225         ADD_CODE(td, op);
 226 }
 227
 228 static void
 229 binary_arith_op(TransformData *td, int mint_op)
 230 {
 231         int type1 = td->sp [-2].type;
 232         int type2 = td->sp [-1].type;
 233         int op;
 234 #if SIZEOF_VOID_P == 8
 235         if ((type1 == STACK_TYPE_MP || type1 == STACK_TYPE_I8) && type2 == STACK_TYPE_I4) {
 236                 ADD_CODE(td, MINT_CONV_I8_I4);
 237                 type2 = STACK_TYPE_I8;
 238         }
 239         if (type1 == STACK_TYPE_I4 && (type2 == STACK_TYPE_MP || type2 == STACK_TYPE_I8)) {
 240                 ADD_CODE(td, MINT_CONV_I8_I4_SP);
 241                 type1 = STACK_TYPE_I8;
 242                 td->sp [-2].type = STACK_TYPE_I8;
 243         }
 244 #endif
 245         if (type1 == STACK_TYPE_MP)
 246                 type1 = STACK_TYPE_I;
 247         if (type2 == STACK_TYPE_MP)
 248                 type2 = STACK_TYPE_I;
 249         if (type1 != type2) {
 250                 g_warning("%s.%s: %04x arith type mismatch %s %d %d",
 251                         td->method->klass->name, td->method->name,
 252                         td->ip - td->il_code, mono_interp_opname[mint_op], type1, type2);
 253         }
 254         op = mint_op + type1 - STACK_TYPE_I4;
 255         CHECK_STACK(td, 2);
 256         ADD_CODE(td, op);
 257         --td->sp;
 258 }
 259
 260 static void
 261 binary_int_op(TransformData *td, int mint_op)
 262 {
 263         int op = mint_op + td->sp [-1].type - STACK_TYPE_I4;
 264         CHECK_STACK(td, 2);
 265         if (td->sp [-1].type != td->sp [-2].type)
 266                 g_warning("%s.%s: int type mismatch", td->method->klass->name, td->method->name);
 267         ADD_CODE(td, op);
 268         --td->sp;
 269 }
 270
 271 static void
 272 shift_op(TransformData *td, int mint_op)
 273 {
 274         int op = mint_op + td->sp [-2].type - STACK_TYPE_I4;
 275         CHECK_STACK(td, 2);
 276         if (td->sp [-1].type != STACK_TYPE_I4) {
 277                 g_warning("%s.%s: shift type mismatch %d",
 278                         td->method->klass->name, td->method->name,
 279                         td->sp [-2].type);
 280         }
 281         ADD_CODE(td, op);
 282         --td->sp;
 283 }
 284
 285 static int
 286 mint_type(MonoType *type)
 287 {
 288         if (type->byref)
 289                 return MINT_TYPE_P;
 290 enum_type:
 291         switch (type->type) {
 292         case MONO_TYPE_I1:
 293                 return MINT_TYPE_I1;
 294         case MONO_TYPE_U1:
 295         case MONO_TYPE_BOOLEAN:
 296                 return MINT_TYPE_U1;
 297         case MONO_TYPE_I2:
 298                 return MINT_TYPE_I2;
 299         case MONO_TYPE_U2:
 300         case MONO_TYPE_CHAR:
 301                 return MINT_TYPE_U2;
 302         case MONO_TYPE_I4:
 303         case MONO_TYPE_U4:
 304                 return MINT_TYPE_I4;
 305         case MONO_TYPE_I:
 306         case MONO_TYPE_U:
 307 #if SIZEOF_VOID_P == 4
 308                 return MINT_TYPE_I4;
 309 #else
 310                 return MINT_TYPE_I8;
 311 #endif
 312         case MONO_TYPE_PTR:
 313                 return MINT_TYPE_P;
 314         case MONO_TYPE_R4:
 315                 return MINT_TYPE_R4;
 316         case MONO_TYPE_I8:
 317         case MONO_TYPE_U8:
 318                 return MINT_TYPE_I8;
 319         case MONO_TYPE_R8:
 320                 return MINT_TYPE_R8;
 321         case MONO_TYPE_STRING:
 322         case MONO_TYPE_SZARRAY:
 323         case MONO_TYPE_CLASS:
 324         case MONO_TYPE_OBJECT:
 325         case MONO_TYPE_ARRAY:
 326                 return MINT_TYPE_O;
 327         case MONO_TYPE_VALUETYPE:
 328                 if (type->data.klass->enumtype) {
 329                         type = mono_class_enum_basetype (type->data.klass);
 330                         goto enum_type;
 331                 } else
 332                         return MINT_TYPE_VT;
 333         case MONO_TYPE_GENERICINST:
 334                 type = &type->data.generic_class->container_class->byval_arg;
 335                 goto enum_type;
 336         default:
 337                 g_warning ("got type 0x%02x", type->type);
 338                 g_assert_not_reached ();
 339         }
 340         return -1;
 341 }
 342
 343 static int
 344 can_store (int stack_type, int var_type)
 345 {
 346         if (stack_type == STACK_TYPE_O || stack_type == STACK_TYPE_MP)
 347                 stack_type = STACK_TYPE_I;
 348         if (var_type == STACK_TYPE_O || var_type == STACK_TYPE_MP)
 349                 var_type = STACK_TYPE_I;
 350         return stack_type == var_type;
 351 }
 352
 353 #define SET_SIMPLE_TYPE(s, ty) \
 354         do { \
 355                 (s)->type = (ty); \
 356                 (s)->flags = 0; \
 357                 (s)->klass = NULL; \
 358         } while (0)
 359
 360 #define SET_TYPE(s, ty, k) \
 361         do { \
 362                 (s)->type = (ty); \
 363                 (s)->flags = 0; \
 364                 (s)->klass = k; \
 365         } while (0)
 366
 367 #define PUSH_SIMPLE_TYPE(td, ty) \
 368         do { \
 369                 int sp_height; \
 370                 (td)->sp++; \
 371                 sp_height = (td)->sp - (td)->stack; \
 372                 if (sp_height > (td)->max_stack_height) \
 373                         (td)->max_stack_height = sp_height; \
 374                 SET_SIMPLE_TYPE((td)->sp - 1, ty); \
 375         } while (0)
 376
 377 #define PUSH_TYPE(td, ty, k) \
 378         do { \
 379                 int sp_height; \
 380                 (td)->sp++; \
 381                 sp_height = (td)->sp - (td)->stack; \
 382                 if (sp_height > (td)->max_stack_height) \
 383                         (td)->max_stack_height = sp_height; \
 384                 SET_TYPE((td)->sp - 1, ty, k); \
 385         } while (0)
 386
 387 #define PUSH_VT(td, size) \
 388         do { \
 389                 (td)->vt_sp += ((size) + 7) & ~7; \
 390                 if ((td)->vt_sp > (td)->max_vt_sp) \
 391                         (td)->max_vt_sp = (td)->vt_sp; \
 392         } while (0)
 393
 394 #define POP_VT(td, size) \
 395         do { \
 396                 (td)->vt_sp -= ((size) + 7) & ~7; \
 397         } while (0)
 398
 399 #if NO_UNALIGNED_ACCESS
 400 #define WRITE32(td, v) \
 401         do { \
 402                 ENSURE_CODE(td, 2); \
 403                 * (guint16 *)((td)->new_ip) = * (guint16 *)(v); \
 404                 * ((guint16 *)((td)->new_ip) + 1) = * ((guint16 *)(v) + 1); \
 405                 (td)->new_ip += 2; \
 406         } while (0)
 407
 408 #define WRITE64(td, v) \
 409         do { \
 410                 ENSURE_CODE(td, 4); \
 411                 * (guint16 *)((td)->new_ip) = * (guint16 *)(v); \
 412                 * ((guint16 *)((td)->new_ip) + 1) = * ((guint16 *)(v) + 1); \
 413                 * ((guint16 *)((td)->new_ip) + 2) = * ((guint16 *)(v) + 2); \
 414                 * ((guint16 *)((td)->new_ip) + 3) = * ((guint16 *)(v) + 3); \
 415                 (td)->new_ip += 4; \
 416         } while (0)
 417 #else
 418 #define WRITE32(td, v) \
 419         do { \
 420                 ENSURE_CODE(td, 2); \
 421                 * (guint32 *)((td)->new_ip) = * (guint32 *)(v); \
 422                 (td)->new_ip += 2; \
 423         } while (0)
 424
 425 #define WRITE64(td, v) \
 426         do { \
 427                 ENSURE_CODE(td, 4); \
 428                 * (guint64 *)((td)->new_ip) = * (guint64 *)(v); \
 429                 (td)->new_ip += 4; \
 430         } while (0)
 431
 432 #endif
 433
 434 static void
 435 load_arg(TransformData *td, int n)
 436 {
 437         int mt;
 438         MonoClass *klass = NULL;
 439         MonoType *type;
 440
 441         gboolean hasthis = mono_method_signature (td->method)->hasthis;
 442         if (hasthis && n == 0)
 443                 type = &td->method->klass->byval_arg;
 444         else
 445                 type = mono_method_signature (td->method)->params [hasthis ? n - 1 : n];
 446
 447         mt = mint_type (type);
 448         if (mt == MINT_TYPE_VT) {
 449                 gint32 size;
 450                 klass = mono_class_from_mono_type (type);
 451                 if (mono_method_signature (td->method)->pinvoke)
 452                         size = mono_class_native_size (klass, NULL);
 453                 else
 454                         size = mono_class_value_size (klass, NULL);
 455
 456                 if (hasthis && n == 0) {
 457                         mt = MINT_TYPE_P;
 458                         ADD_CODE (td, MINT_LDARG_P);
 459                         ADD_CODE (td, td->rtm->arg_offsets [n]); /* FIX for large offset */
 460                         klass = NULL;
 461                 } else {
 462                         PUSH_VT (td, size);
 463                         ADD_CODE (td, MINT_LDARG_VT);
 464                         ADD_CODE (td, td->rtm->arg_offsets [n]); /* FIX for large offset */
 465                         WRITE32 (td, &size);
 466                 }
 467         } else {
 468                 if (hasthis && n == 0) {
 469                         mt = MINT_TYPE_P;
 470                         ADD_CODE (td, MINT_LDARG_P);
 471                         ADD_CODE (td, td->rtm->arg_offsets [n]); /* FIX for large offset */
 472                         klass = NULL;
 473                 } else {
 474                         ADD_CODE(td, MINT_LDARG_I1 + (mt - MINT_TYPE_I1));
 475                         ADD_CODE(td, td->rtm->arg_offsets [n]); /* FIX for large offset */
 476                         if (mt == MINT_TYPE_O)
 477                                 klass = mono_class_from_mono_type (type);
 478                 }
 479         }
 480         PUSH_TYPE(td, stack_type[mt], klass);
 481 }
 482
 483 static void
 484 store_arg(TransformData *td, int n)
 485 {
 486         int mt;
 487         CHECK_STACK (td, 1);
 488         MonoType *type;
 489
 490         gboolean hasthis = mono_method_signature (td->method)->hasthis;
 491         if (hasthis && n == 0)
 492                 type = &td->method->klass->byval_arg;
 493         else
 494                 type = mono_method_signature (td->method)->params [n - !!hasthis];
 495
 496         mt = mint_type (type);
 497         if (mt == MINT_TYPE_VT) {
 498                 gint32 size;
 499                 g_error ("data.klass");
 500                 if (mono_method_signature (td->method)->pinvoke)
 501                         size = mono_class_native_size (type->data.klass, NULL);
 502                 else
 503                         size = mono_class_value_size (type->data.klass, NULL);
 504                 ADD_CODE(td, MINT_STARG_VT);
 505                 ADD_CODE(td, n);
 506                 WRITE32(td, &size);
 507                 if (td->sp [-1].type == STACK_TYPE_VT)
 508                         POP_VT(td, size);
 509         } else {
 510                 ADD_CODE(td, MINT_STARG_I1 + (mt - MINT_TYPE_I1));
 511                 ADD_CODE(td, td->rtm->arg_offsets [n]);
 512         }
 513         --td->sp;
 514 }
 515
 516 static void
 517 store_inarg(TransformData *td, int n)
 518 {
 519         MonoType *type;
 520         gboolean hasthis = mono_method_signature (td->method)->hasthis;
 521         if (hasthis && n == 0)
 522                 type = &td->method->klass->byval_arg;
 523         else
 524                 type = mono_method_signature (td->method)->params [n - !!hasthis];
 525
 526         int mt = mint_type (type);
 527         if (hasthis && n == 0) {
 528                 ADD_CODE (td, MINT_STINARG_P);
 529                 ADD_CODE (td, n);
 530                 return;
 531         }
 532         if (mt == MINT_TYPE_VT) {
 533                 MonoClass *klass = mono_class_from_mono_type (type);
 534                 gint32 size;
 535                 if (mono_method_signature (td->method)->pinvoke)
 536                         size = mono_class_native_size (klass, NULL);
 537                 else
 538                         size = mono_class_value_size (klass, NULL);
 539                 ADD_CODE(td, MINT_STINARG_VT);
 540                 ADD_CODE(td, n);
 541                 WRITE32(td, &size);
 542         } else {
 543                 ADD_CODE(td, MINT_STINARG_I1 + (mt - MINT_TYPE_I1));
 544                 ADD_CODE(td, n);
 545         }
 546 }
 547
 548 static void
 549 load_local(TransformData *td, int n)
 550 {
 551         MonoType *type = td->header->locals [n];
 552         int mt = mint_type (type);
 553         int offset = td->rtm->local_offsets [n];
 554         MonoClass *klass = NULL;
 555         if (mt == MINT_TYPE_VT) {
 556                 klass = mono_class_from_mono_type (type);
 557                 gint32 size = mono_class_value_size (klass, NULL);
 558                 PUSH_VT(td, size);
 559                 ADD_CODE(td, MINT_LDLOC_VT);
 560                 ADD_CODE(td, offset); /*FIX for large offset */
 561                 WRITE32(td, &size);
 562         } else {
 563                 g_assert (mt < MINT_TYPE_VT);
 564                 if (mt == MINT_TYPE_I4 && !td->is_bb_start [td->in_start - td->il_code] && td->last_new_ip != NULL &&
 565                         td->last_new_ip [0] == MINT_STLOC_I4 && td->last_new_ip [1] == offset) {
 566                         td->last_new_ip [0] = MINT_STLOC_NP_I4;
 567                 } else if (mt == MINT_TYPE_O && !td->is_bb_start [td->in_start - td->il_code] && td->last_new_ip != NULL &&
 568                         td->last_new_ip [0] == MINT_STLOC_O && td->last_new_ip [1] == offset) {
 569                         td->last_new_ip [0] = MINT_STLOC_NP_O;
 570                 } else {
 571                         ADD_CODE(td, MINT_LDLOC_I1 + (mt - MINT_TYPE_I1));
 572                         ADD_CODE(td, offset); /*FIX for large offset */
 573                 }
 574                 if (mt == MINT_TYPE_O)
 575                         klass = mono_class_from_mono_type (type);
 576         }
 577         PUSH_TYPE(td, stack_type[mt], klass);
 578 }
 579
 580 static void
 581 store_local(TransformData *td, int n)
 582 {
 583         MonoType *type = td->header->locals [n];
 584         int mt = mint_type (type);
 585         int offset = td->rtm->local_offsets [n];
 586         CHECK_STACK (td, 1);
 587 #if SIZEOF_VOID_P == 8
 588         if (td->sp [-1].type == STACK_TYPE_I4 && stack_type [mt] == STACK_TYPE_I8) {
 589                 ADD_CODE(td, MINT_CONV_I8_I4);
 590                 td->sp [-1].type = STACK_TYPE_I8;
 591         }
 592 #endif
 593         if (!can_store(td->sp [-1].type, stack_type [mt])) {
 594                 g_warning("%s.%s: Store local stack type mismatch %d %d",
 595                         td->method->klass->name, td->method->name,
 596                         stack_type [mt], td->sp [-1].type);
 597         }
 598         if (mt == MINT_TYPE_VT) {
 599                 MonoClass *klass = mono_class_from_mono_type (type);
 600                 gint32 size = mono_class_value_size (klass, NULL);
 601                 ADD_CODE(td, MINT_STLOC_VT);
 602                 ADD_CODE(td, offset); /*FIX for large offset */
 603                 WRITE32(td, &size);
 604                 if (td->sp [-1].type == STACK_TYPE_VT)
 605                         POP_VT(td, size);
 606         } else {
 607                 g_assert (mt < MINT_TYPE_VT);
 608                 ADD_CODE(td, MINT_STLOC_I1 + (mt - MINT_TYPE_I1));
 609                 ADD_CODE(td, offset); /*FIX for large offset */
 610         }
 611         --td->sp;
 612 }
 613
 614 #define SIMPLE_OP(td, op) \
 615         do { \
 616                 ADD_CODE(&td, op); \
 617                 ++td.ip; \
 618         } while (0)
 619
 620 static guint16
 621 get_data_item_index (TransformData *td, void *ptr)
 622 {
 623         gpointer p = g_hash_table_lookup (td->data_hash, ptr);
 624         guint index;
 625         if (p != NULL)
 626                 return GPOINTER_TO_UINT (p) - 1;
 627         if (td->max_data_items == td->n_data_items) {
 628                 td->max_data_items = td->n_data_items == 0 ? 16 : 2 * td->max_data_items;
 629                 td->data_items = g_realloc (td->data_items, td->max_data_items * sizeof(td->data_items [0]));
 630         }
 631         index = td->n_data_items;
 632         td->data_items [index] = ptr;
 633         ++td->n_data_items;
 634         g_hash_table_insert (td->data_hash, ptr, GUINT_TO_POINTER (index + 1));
 635         return index;
 636 }
 637
 638 static void
 639 interp_transform_call (TransformData *td, MonoMethod *method, MonoMethod *target_method, MonoDomain *domain, MonoGenericContext *generic_context, unsigned char *is_bb_start, int body_start_offset, MonoClass *constrained_class)
 640 {
 641         MonoImage *image = method->klass->image;
 642         MonoMethodSignature *csignature;
 643         MonoError error;
 644         int virtual = *td->ip == CEE_CALLVIRT;
 645         int calli = *td->ip == CEE_CALLI || *td->ip == CEE_MONO_CALLI_EXTRA_ARG;
 646         int i;
 647         guint32 vt_stack_used = 0;
 648         guint32 vt_res_size = 0;
 649         int op = -1;
 650         int native = 0;
 651         int is_void = 0;
 652
 653         guint32 token = read32 (td->ip + 1);
 654
 655         if (target_method == NULL) {
 656                 if (calli) {
 657                         CHECK_STACK(td, 1);
 658                         native = (method->wrapper_type != MONO_WRAPPER_DELEGATE_INVOKE && td->sp [-1].type == STACK_TYPE_I);
 659                         --td->sp;
 660                         if (method->wrapper_type != MONO_WRAPPER_NONE)
 661                                 csignature = (MonoMethodSignature *)mono_method_get_wrapper_data (method, token);
 662                         else
 663                                 csignature = mono_metadata_parse_signature (image, token);
 664
 665                         if (generic_context) {
 666                                 csignature = mono_inflate_generic_signature (csignature, generic_context, &error);
 667                                 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
 668                         }
 669
 670                         target_method = NULL;
 671                 } else {
 672                         if (method->wrapper_type == MONO_WRAPPER_NONE)
 673                                 target_method = mono_get_method_full (image, token, NULL, generic_context);
 674                         else
 675                                 target_method = (MonoMethod *)mono_method_get_wrapper_data (method, token);
 676                         csignature = mono_method_signature (target_method);
 677                         if (target_method->klass == mono_defaults.string_class) {
 678                                 if (target_method->name [0] == 'g') {
 679                                         if (strcmp (target_method->name, "get_Chars") == 0)
 680                                                 op = MINT_GETCHR;
 681                                         else if (strcmp (target_method->name, "get_Length") == 0)
 682                                                 op = MINT_STRLEN;
 683                                 }
 684                         } else if (target_method->klass == mono_defaults.array_class) {
 685                                 if (strcmp (target_method->name, "get_Rank") == 0)
 686                                         op = MINT_ARRAY_RANK;
 687                                 else if (strcmp (target_method->name, "get_Length") == 0)
 688                                         op = MINT_LDLEN;
 689                         }
 690                 }
 691         } else {
 692                 csignature = mono_method_signature (target_method);
 693         }
 694
 695         /* TODO: that's oddly specific? */
 696         if (generic_context && target_method && !strcmp ("Invoke", target_method->name) && target_method->klass->parent == mono_defaults.multicastdelegate_class) {
 697                 csignature = mono_inflate_generic_signature (csignature, generic_context, &error);
 698                 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
 699         }
 700
 701         if (constrained_class) {
 702                 if (constrained_class->enumtype && !strcmp (target_method->name, "GetHashCode")) {
 703                         /* Use the corresponding method from the base type to avoid boxing */
 704                         MonoType *base_type = mono_class_enum_basetype (constrained_class);
 705                         g_assert (base_type);
 706                         constrained_class = mono_class_from_mono_type (base_type);
 707                         target_method = mono_class_get_method_from_name (constrained_class, target_method->name, 0);
 708                         g_assert (target_method);
 709                 }
 710         }
 711
 712         if (constrained_class) {
 713                 mono_class_setup_vtable (constrained_class);
 714 #if DEBUG_INTERP
 715                 g_print ("CONSTRAINED.CALLVIRT: %s::%s.  %s (%p) ->\n", target_method->klass->name, target_method->name, mono_signature_full_name (target_method->signature), target_method);
 716 #endif
 717                 target_method = mono_get_method_constrained_with_method (image, target_method, constrained_class, generic_context, &error);
 718 #if DEBUG_INTERP
 719                 g_print ("                    : %s::%s.  %s (%p)\n", target_method->klass->name, target_method->name, mono_signature_full_name (target_method->signature), target_method);
 720 #endif
 721                 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
 722                 mono_class_setup_vtable (target_method->klass);
 723
 724                 if (constrained_class->valuetype && (target_method->klass == mono_defaults.object_class || target_method->klass == mono_defaults.enum_class->parent || target_method->klass == mono_defaults.enum_class)) {
 725                         if (target_method->klass == mono_defaults.enum_class && (td->sp - csignature->param_count - 1)->type == STACK_TYPE_MP) {
 726                                 /* managed pointer on the stack, we need to deref that puppy */
 727                                 ADD_CODE (td, MINT_LDIND_I);
 728                                 ADD_CODE (td, csignature->param_count);
 729                         }
 730                         ADD_CODE (td, MINT_BOX);
 731                         ADD_CODE (td, get_data_item_index (td, constrained_class));
 732                         ADD_CODE (td, csignature->param_count);
 733                 } else if (!constrained_class->valuetype) {
 734                         /* managed pointer on the stack, we need to deref that puppy */
 735                         ADD_CODE (td, MINT_LDIND_I);
 736                         ADD_CODE (td, csignature->param_count);
 737                 } else {
 738                         g_assert (target_method->klass->valuetype);
 739                         virtual = FALSE;
 740                 }
 741         }
 742
 743         if (target_method)
 744                 mono_class_init (target_method->klass);
 745
 746         CHECK_STACK (td, csignature->param_count + csignature->hasthis);
 747         if (!calli && (!virtual || (target_method->flags & METHOD_ATTRIBUTE_VIRTUAL) == 0) &&
 748                 (target_method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) == 0 &&
 749                 (target_method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) == 0) {
 750                 int called_inited = mono_class_vtable (domain, target_method->klass)->initialized;
 751                 MonoMethodHeader *mheader = mono_method_get_header (target_method);
 752
 753                 if (/*mono_metadata_signature_equal (method->signature, target_method->signature) */ method == target_method && *(td->ip + 5) == CEE_RET) {
 754                         int offset;
 755                         if (mono_interp_traceopt)
 756                                 g_print ("Optimize tail call of %s.%s\n", target_method->klass->name, target_method->name);
 757                         for (i = csignature->param_count - 1; i >= 0; --i)
 758                                 store_arg (td, i + csignature->hasthis);
 759
 760                         if (csignature->hasthis) {
 761                                 g_error ("STTHIS removal");
 762                                 // ADD_CODE(td, MINT_STTHIS);
 763                                 --td->sp;
 764                         }
 765                         ADD_CODE(td, MINT_BR_S);
 766                         offset = body_start_offset - ((td->new_ip - 1) - td->new_code);
 767                         ADD_CODE(td, offset);
 768                         if (!is_bb_start [td->ip + 5 - td->il_code])
 769                                 ++td->ip; /* gobble the CEE_RET if it isn't branched to */
 770                         td->ip += 5;
 771                         return;
 772                 } else {
 773                         /* mheader might not exist if this is a delegate invoc, etc */
 774                         if (mheader && *mheader->code == CEE_RET && called_inited) {
 775                                 if (mono_interp_traceopt)
 776                                         g_print ("Inline (empty) call of %s.%s\n", target_method->klass->name, target_method->name);
 777                                 for (i = 0; i < csignature->param_count; i++)
 778                                         ADD_CODE (td, MINT_POP); /*FIX: vt */
 779                                         ADD_CODE (td, 0);
 780                                 if (csignature->hasthis) {
 781                                         if (virtual)
 782                                                 ADD_CODE(td, MINT_CKNULL);
 783                                         ADD_CODE (td, MINT_POP);
 784                                         ADD_CODE (td, 0);
 785                                 }
 786                                 td->sp -= csignature->param_count + csignature->hasthis;
 787                                 td->ip += 5;
 788                                 return;
 789                         }
 790                 }
 791         }
 792         if (method->wrapper_type == MONO_WRAPPER_NONE && target_method != NULL) {
 793                 if (target_method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL)
 794                         target_method = mono_marshal_get_native_wrapper (target_method, FALSE, FALSE);
 795                 if (!virtual && target_method->iflags & METHOD_IMPL_ATTRIBUTE_SYNCHRONIZED)
 796                         target_method = mono_marshal_get_synchronized_wrapper (target_method);
 797         }
 798         g_assert (csignature->call_convention == MONO_CALL_DEFAULT || csignature->call_convention == MONO_CALL_C);
 799         td->sp -= csignature->param_count + !!csignature->hasthis;
 800         for (i = 0; i < csignature->param_count; ++i) {
 801                 if (td->sp [i + !!csignature->hasthis].type == STACK_TYPE_VT) {
 802                         gint32 size;
 803                         MonoClass *klass = mono_class_from_mono_type (csignature->params [i]);
 804                         if (csignature->pinvoke && method->wrapper_type != MONO_WRAPPER_NONE)
 805                                 size = mono_class_native_size (klass, NULL);
 806                         else
 807                                 size = mono_class_value_size (klass, NULL);
 808                         size = (size + 7) & ~7;
 809                         vt_stack_used += size;
 810                 }
 811         }
 812
 813         /* need to handle typedbyref ... */
 814         if (csignature->ret->type != MONO_TYPE_VOID) {
 815                 int mt = mint_type(csignature->ret);
 816                 MonoClass *klass = mono_class_from_mono_type (csignature->ret);
 817                 if (mt == MINT_TYPE_VT) {
 818                         if (csignature->pinvoke && method->wrapper_type != MONO_WRAPPER_NONE)
 819                                 vt_res_size = mono_class_native_size (klass, NULL);
 820                         else
 821                                 vt_res_size = mono_class_value_size (klass, NULL);
 822                         PUSH_VT(td, vt_res_size);
 823                 }
 824                 PUSH_TYPE(td, stack_type[mt], klass);
 825         } else
 826                 is_void = TRUE;
 827
 828         if (op >= 0) {
 829                 ADD_CODE(td, op);
 830 #if SIZEOF_VOID_P == 8
 831                 if (op == MINT_LDLEN)
 832                         ADD_CODE(td, MINT_CONV_I4_I8);
 833 #endif
 834         } else {
 835                 if (calli)
 836                         ADD_CODE(td, native ? MINT_CALLI_NAT : MINT_CALLI);
 837                 else if (virtual)
 838                         ADD_CODE(td, is_void ? MINT_VCALLVIRT : MINT_CALLVIRT);
 839                 else
 840                         ADD_CODE(td, is_void ? MINT_VCALL : MINT_CALL);
 841
 842                 if (calli) {
 843                         ADD_CODE(td, get_data_item_index (td, (void *)csignature));
 844                 } else {
 845                         ADD_CODE(td, get_data_item_index (td, (void *)mono_interp_get_runtime_method (domain, target_method, &error)));
 846                         mono_error_cleanup (&error); /* FIXME: don't swallow the error */
 847                 }
 848         }
 849         td->ip += 5;
 850         if (vt_stack_used != 0 || vt_res_size != 0) {
 851                 ADD_CODE(td, MINT_VTRESULT);
 852                 ADD_CODE(td, vt_res_size);
 853                 WRITE32(td, &vt_stack_used);
 854                 td->vt_sp -= vt_stack_used;
 855         }
 856 }
 857
 858 static void
 859 generate (MonoMethod *method, RuntimeMethod *rtm, unsigned char *is_bb_start, MonoGenericContext *generic_context)
 860 {
 861         MonoMethodHeader *header = mono_method_get_header (method);
 862         MonoMethodSignature *signature = mono_method_signature (method);
 863         MonoImage *image = method->klass->image;
 864         MonoDomain *domain = mono_domain_get ();
 865         MonoClass *constrained_class = NULL;
 866         MonoError error;
 867         int offset, mt;
 868         int i;
 869         int i32;
 870         MonoClass *klass;
 871         MonoClassField *field;
 872         const unsigned char *end;
 873         int new_in_start_offset;
 874         int body_start_offset;
 875         int target;
 876         guint32 token;
 877         TransformData td;
 878         int generating_code = 1;
 879
 880         memset(&td, 0, sizeof(td));
 881         td.method = method;
 882         td.rtm = rtm;
 883         td.is_bb_start = is_bb_start;
 884         td.il_code = header->code;
 885         td.code_size = header->code_size;
 886         td.header = header;
 887         td.max_code_size = td.code_size;
 888         td.new_code = (unsigned short *)g_malloc(td.max_code_size * sizeof(gushort));
 889         td.new_code_end = td.new_code + td.max_code_size;
 890         td.in_offsets = g_malloc0(header->code_size * sizeof(int));
 891         td.forward_refs = g_malloc(header->code_size * sizeof(int));
 892         td.stack_state = g_malloc0(header->code_size * sizeof(StackInfo *));
 893         td.stack_height = g_malloc(header->code_size * sizeof(int));
 894         td.vt_stack_size = g_malloc(header->code_size * sizeof(int));
 895         td.n_data_items = 0;
 896         td.max_data_items = 0;
 897         td.data_items = NULL;
 898         td.data_hash = g_hash_table_new (NULL, NULL);
 899         rtm->data_items = td.data_items;
 900         for (i = 0; i < header->code_size; i++) {
 901                 td.forward_refs [i] = -1;
 902                 td.stack_height [i] = -1;
 903         }
 904         td.new_ip = td.new_code;
 905         td.last_new_ip = NULL;
 906
 907         td.stack = g_malloc0(header->max_stack * sizeof(td.stack[0]));
 908         td.sp = td.stack;
 909         td.max_stack_height = 0;
 910
 911         for (i = 0; i < header->num_clauses; i++) {
 912                 MonoExceptionClause *c = header->clauses + i;
 913                 td.stack_height [c->handler_offset] = 0;
 914                 td.vt_stack_size [c->handler_offset] = 0;
 915                 td.is_bb_start [c->handler_offset] = 1;
 916                 if (c->flags == MONO_EXCEPTION_CLAUSE_NONE) {
 917                         td.stack_height [c->handler_offset] = 1;
 918                         td.stack_state [c->handler_offset] = g_malloc0(sizeof(StackInfo));
 919                         td.stack_state [c->handler_offset][0].type = STACK_TYPE_O;
 920                         td.stack_state [c->handler_offset][0].klass = NULL; /*FIX*/
 921                 }
 922         }
 923
 924         td.ip = header->code;
 925         end = td.ip + header->code_size;
 926
 927         if (mono_interp_traceopt) {
 928                 char *tmp = mono_disasm_code (NULL, method, td.ip, end);
 929                 char *name = mono_method_full_name (method, TRUE);
 930                 g_print ("Method %s, original code:\n", name);
 931                 g_print ("%s\n", tmp);
 932                 g_free (tmp);
 933                 g_free (name);
 934         }
 935
 936         if (signature->hasthis)
 937                 store_inarg (&td, 0);
 938         for (i = 0; i < signature->param_count; i++)
 939                 store_inarg (&td, i + !!signature->hasthis);
 940
 941         body_start_offset = td.new_ip - td.new_code;
 942
 943         for (i = 0; i < header->num_locals; i++) {
 944                 int mt = mint_type(header->locals [i]);
 945                 if (mt == MINT_TYPE_VT || mt == MINT_TYPE_O) {
 946                         ADD_CODE(&td, MINT_INITLOCALS);
 947                         break;
 948                 }
 949         }
 950
 951         while (td.ip < end) {
 952                 int in_offset;
 953
 954                 g_assert (td.sp >= td.stack);
 955                 g_assert (td.vt_sp < 0x10000000);
 956                 in_offset = td.ip - header->code;
 957                 td.in_offsets [in_offset] = td.new_ip - td.new_code;
 958                 new_in_start_offset = td.new_ip - td.new_code;
 959                 td.in_start = td.ip;
 960                 while (td.forward_refs [in_offset] >= 0) {
 961                         int j = td.forward_refs [in_offset];
 962                         int slot;
 963                         td.forward_refs [in_offset] = td.forward_refs [j];
 964                         if (td.in_offsets [j] < 0) {
 965                                 int old_switch_offset = -td.in_offsets [j];
 966                                 int new_switch_offset = td.in_offsets [old_switch_offset];
 967                                 int switch_case = (j - old_switch_offset - 5) / 4;
 968                                 int n_cases = read32 (header->code + old_switch_offset + 1);
 969                                 offset = (td.new_ip - td.new_code) - (new_switch_offset + 2 * n_cases + 3);
 970                                 slot = new_switch_offset + 3 + 2 * switch_case;
 971                                 td.new_code [slot] = * (unsigned short *)(&offset);
 972                                 td.new_code [slot + 1] = * ((unsigned short *)&offset + 1);
 973                         } else {
 974                                 int op = td.new_code [td.in_offsets [j]];
 975                                 if (mono_interp_opargtype [op] == MintOpShortBranch) {
 976                                         offset = (td.new_ip - td.new_code) - td.in_offsets [j];
 977                                         g_assert (offset <= 32767);
 978                                         slot = td.in_offsets [j] + 1;
 979                                         td.new_code [slot] = offset;
 980                                 } else {
 981                                         offset = (td.new_ip - td.new_code) - td.in_offsets [j];
 982                                         slot = td.in_offsets [j] + 1;
 983                                         td.new_code [slot] = * (unsigned short *)(&offset);
 984                                         td.new_code [slot + 1] = * ((unsigned short *)&offset + 1);
 985                                 }
 986                         }
 987                 }
 988                 if (td.stack_height [in_offset] >= 0) {
 989                         g_assert (is_bb_start [in_offset]);
 990                         if (td.stack_height [in_offset] > 0)
 991                                 memcpy (td.stack, td.stack_state [in_offset], td.stack_height [in_offset] * sizeof(td.stack [0]));
 992                         td.sp = td.stack + td.stack_height [in_offset];
 993                         td.vt_sp = td.vt_stack_size [in_offset];
 994                 }
 995                 if (is_bb_start [in_offset]) {
 996                         generating_code = 1;
 997                 }
 998                 if (!generating_code) {
 999                         while (td.ip < end && !is_bb_start [td.ip - td.il_code])
1000                                 ++td.ip;
1001                         continue;
1002                 }
1003                 if (mono_interp_traceopt > 1) {
1004                         printf("IL_%04lx %s %-10s -> IL_%04lx, sp %ld, %s %-12s vt_sp %u (max %u)\n",
1005                                 td.ip - td.il_code,
1006                                 td.is_bb_start [td.ip - td.il_code] == 3 ? "<>" :
1007                                 td.is_bb_start [td.ip - td.il_code] == 2 ? "< " :
1008                                 td.is_bb_start [td.ip - td.il_code] == 1 ? " >" : "  ",
1009                                 mono_opcode_name (*td.ip), td.new_ip - td.new_code, td.sp - td.stack,
1010                                 td.sp > td.stack ? stack_type_string [td.sp [-1].type] : "  ",
1011                                 (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) : "",
1012                                 td.vt_sp, td.max_vt_sp);
1013                 }
1014                 switch (*td.ip) {
1015                 case CEE_NOP:
1016                         /* lose it */
1017                         ++td.ip;
1018                         break;
1019                 case CEE_BREAK:
1020                         SIMPLE_OP(td, MINT_BREAK);
1021                         break;
1022                 case CEE_LDARG_0:
1023                 case CEE_LDARG_1:
1024                 case CEE_LDARG_2:
1025                 case CEE_LDARG_3:
1026                         load_arg (&td, *td.ip - CEE_LDARG_0);
1027                         ++td.ip;
1028                         break;
1029                 case CEE_LDLOC_0:
1030                 case CEE_LDLOC_1:
1031                 case CEE_LDLOC_2:
1032                 case CEE_LDLOC_3:
1033                         load_local (&td, *td.ip - CEE_LDLOC_0);
1034                         ++td.ip;
1035                         break;
1036                 case CEE_STLOC_0:
1037                 case CEE_STLOC_1:
1038                 case CEE_STLOC_2:
1039                 case CEE_STLOC_3:
1040                         store_local (&td, *td.ip - CEE_STLOC_0);
1041                         ++td.ip;
1042                         break;
1043                 case CEE_LDARG_S:
1044                         load_arg (&td, ((guint8 *)td.ip)[1]);
1045                         td.ip += 2;
1046                         break;
1047                 case CEE_LDARGA_S: {
1048                         /* NOTE: n includes this */
1049                         int n = ((guint8 *)td.ip)[1];
1050                         if (n == 0 && signature->hasthis) {
1051                                 g_error ("LDTHISA: NOPE");
1052                                 ADD_CODE(&td, MINT_LDTHISA);
1053                         }
1054                         else {
1055                                 ADD_CODE(&td, MINT_LDARGA);
1056                                 ADD_CODE(&td, td.rtm->arg_offsets [n]);
1057                         }
1058                         PUSH_SIMPLE_TYPE(&td, STACK_TYPE_MP);
1059                         td.ip += 2;
1060                         break;
1061                 }
1062                 case CEE_STARG_S:
1063                         store_arg (&td, ((guint8 *)td.ip)[1]);
1064                         td.ip += 2;
1065                         break;
1066                 case CEE_LDLOC_S:
1067                         load_local (&td, ((guint8 *)td.ip)[1]);
1068                         td.ip += 2;
1069                         break;
1070                 case CEE_LDLOCA_S:
1071                         ADD_CODE(&td, MINT_LDLOCA_S);
1072                         ADD_CODE(&td, td.rtm->local_offsets [((guint8 *)td.ip)[1]]);
1073                         PUSH_SIMPLE_TYPE(&td, STACK_TYPE_MP);
1074                         td.ip += 2;
1075                         break;
1076                 case CEE_STLOC_S:
1077                         store_local (&td, ((guint8 *)td.ip)[1]);
1078                         td.ip += 2;
1079                         break;
1080                 case CEE_LDNULL:
1081                         SIMPLE_OP(td, MINT_LDNULL);
1082                         PUSH_TYPE(&td, STACK_TYPE_O, NULL);
1083                         break;
1084                 case CEE_LDC_I4_M1:
1085                         SIMPLE_OP(td, MINT_LDC_I4_M1);
1086                         PUSH_SIMPLE_TYPE(&td, STACK_TYPE_I4);
1087                         break;
1088                 case CEE_LDC_I4_0:
1089                         if (!td.is_bb_start[td.ip + 1 - td.il_code] && td.ip [1] == 0xfe && td.ip [2] == CEE_CEQ &&
1090                                 td.sp > td.stack && td.sp [-1].type == STACK_TYPE_I4) {
1091                                 SIMPLE_OP(td, MINT_CEQ0_I4);
1092                                 td.ip += 2;
1093                         } else {
1094                                 SIMPLE_OP(td, MINT_LDC_I4_0);
1095                                 PUSH_SIMPLE_TYPE(&td, STACK_TYPE_I4);
1096                         }
1097                         break;
1098                 case CEE_LDC_I4_1:
1099                         if (!td.is_bb_start[td.ip + 1 - td.il_code] &&
1100                                 (td.ip [1] == CEE_ADD || td.ip [1] == CEE_SUB) && td.sp [-1].type == STACK_TYPE_I4) {
1101                                 ADD_CODE(&td, td.ip [1] == CEE_ADD ? MINT_ADD1_I4 : MINT_SUB1_I4);
1102                                 td.ip += 2;
1103                         } else {
1104                                 SIMPLE_OP(td, MINT_LDC_I4_1);
1105                                 PUSH_SIMPLE_TYPE(&td, STACK_TYPE_I4);
1106                         }
1107                         break;
1108                 case CEE_LDC_I4_2:
1109                 case CEE_LDC_I4_3:
1110                 case CEE_LDC_I4_4:
1111                 case CEE_LDC_I4_5:
1112                 case CEE_LDC_I4_6:
1113                 case CEE_LDC_I4_7:
1114                 case CEE_LDC_I4_8:
1115                         SIMPLE_OP(td, (*td.ip - CEE_LDC_I4_0) + MINT_LDC_I4_0);
1116                         PUSH_SIMPLE_TYPE(&td, STACK_TYPE_I4);
1117                         break;
1118                 case CEE_LDC_I4_S:
1119                         ADD_CODE(&td, MINT_LDC_I4_S);
1120                         ADD_CODE(&td, ((gint8 *) td.ip) [1]);
1121                         td.ip += 2;
1122                         PUSH_SIMPLE_TYPE(&td, STACK_TYPE_I4);
1123                         break;
1124                 case CEE_LDC_I4:
1125                         i32 = read32 (td.ip + 1);
1126                         ADD_CODE(&td, MINT_LDC_I4);
1127                         WRITE32(&td, &i32);
1128                         td.ip += 5;
1129                         PUSH_SIMPLE_TYPE(&td, STACK_TYPE_I4);
1130                         break;
1131                 case CEE_LDC_I8: {
1132                         gint64 val = read64 (td.ip + 1);
1133                         ADD_CODE(&td, MINT_LDC_I8);
1134                         WRITE64(&td, &val);
1135                         td.ip += 9;
1136                         PUSH_SIMPLE_TYPE(&td, STACK_TYPE_I8);
1137                         break;
1138                 }
1139                 case CEE_LDC_R4: {
1140                         float val;
1141                         readr4 (td.ip + 1, &val);
1142                         ADD_CODE(&td, MINT_LDC_R4);
1143                         WRITE32(&td, &val);
1144                         td.ip += 5;
1145                         PUSH_SIMPLE_TYPE(&td, STACK_TYPE_R8);
1146                         break;
1147                 }
1148                 case CEE_LDC_R8: {
1149                         double val;
1150                         readr8 (td.ip + 1, &val);
1151                         ADD_CODE(&td, MINT_LDC_R8);
1152                         WRITE64(&td, &val);
1153                         td.ip += 9;
1154                         PUSH_SIMPLE_TYPE(&td, STACK_TYPE_R8);
1155                         break;
1156                 }
1157                 case CEE_DUP: {
1158                         int type = td.sp [-1].type;
1159                         MonoClass *klass = td.sp [-1].klass;
1160                         if (td.sp [-1].type == STACK_TYPE_VT) {
1161                                 gint32 size = mono_class_value_size (klass, NULL);
1162                                 PUSH_VT(&td, size);
1163                                 ADD_CODE(&td, MINT_DUP_VT);
1164                                 WRITE32(&td, &size);
1165                                 td.ip ++;
1166                         } else
1167                                 SIMPLE_OP(td, MINT_DUP);
1168                         PUSH_TYPE(&td, type, klass);
1169                         break;
1170                 }
1171                 case CEE_POP:
1172                         CHECK_STACK(&td, 1);
1173                         SIMPLE_OP(td, MINT_POP);
1174                         ADD_CODE (&td, 0);
1175                         if (td.sp [-1].type == STACK_TYPE_VT) {
1176                                 int size = mono_class_value_size (td.sp [-1].klass, NULL);
1177                                 size = (size + 7) & ~7;
1178                                 ADD_CODE(&td, MINT_VTRESULT);
1179                                 ADD_CODE(&td, 0);
1180                                 WRITE32(&td, &size);
1181                                 td.vt_sp -= size;
1182                         }
1183                         --td.sp;
1184                         break;
1185                 case CEE_JMP: {
1186                         MonoMethod *m;
1187                         if (td.sp > td.stack)
1188                                 g_warning ("CEE_JMP: stack must be empty");
1189                         token = read32 (td.ip + 1);
1190                         m = mono_get_method_full (image, token, NULL, generic_context);
1191                         ADD_CODE (&td, MINT_JMP);
1192                         ADD_CODE (&td, get_data_item_index (&td, mono_interp_get_runtime_method (domain, m, &error)));
1193                         mono_error_cleanup (&error); /* FIXME: don't swallow the error */
1194                         td.ip += 5;
1195                         break;
1196                 }
1197                 case CEE_CALLVIRT: /* Fall through */
1198                 case CEE_CALLI:    /* Fall through */
1199                 case CEE_CALL: {
1200                         interp_transform_call (&td, method, NULL, domain, generic_context, is_bb_start, body_start_offset, constrained_class);
1201                         constrained_class = NULL;
1202                         break;
1203                 }
1204                 case CEE_RET: {
1205                         int vt_size = 0;
1206                         if (signature->ret->type != MONO_TYPE_VOID) {
1207                                 --td.sp;
1208                                 MonoClass *klass = mono_class_from_mono_type (signature->ret);
1209                                 if (mint_type (&klass->byval_arg) == MINT_TYPE_VT) {
1210                                         vt_size = mono_class_value_size (klass, NULL);
1211                                         vt_size = (vt_size + 7) & ~7;
1212                                 }
1213                         }
1214                         if (td.sp > td.stack)
1215                                 g_warning ("%s.%s: CEE_RET: more values on stack: %d", td.method->klass->name, td.method->name, td.sp - td.stack);
1216                         if (td.vt_sp != vt_size)
1217                                 g_error ("%s.%s: CEE_RET: value type stack: %d vs. %d", td.method->klass->name, td.method->name, td.vt_sp, vt_size);
1218                         if (vt_size == 0)
1219                                 SIMPLE_OP(td, signature->ret->type == MONO_TYPE_VOID ? MINT_RET_VOID : MINT_RET);
1220                         else {
1221                                 ADD_CODE(&td, MINT_RET_VT);
1222                                 WRITE32(&td, &vt_size);
1223                                 ++td.ip;
1224                         }
1225                         generating_code = 0;
1226                         break;
1227                 }
1228                 case CEE_BR:
1229                         handle_branch (&td, MINT_BR_S, MINT_BR, 5 + read32 (td.ip + 1));
1230                         td.ip += 5;
1231                         generating_code = 0;
1232                         break;
1233                 case CEE_BR_S:
1234                         handle_branch (&td, MINT_BR_S, MINT_BR, 2 + (gint8)td.ip [1]);
1235                         td.ip += 2;
1236                         generating_code = 0;
1237                         break;
1238                 case CEE_BRFALSE:
1239                         one_arg_branch (&td, MINT_BRFALSE_I4, 5 + read32 (td.ip + 1));
1240                         td.ip += 5;
1241                         break;
1242                 case CEE_BRFALSE_S:
1243                         one_arg_branch (&td, MINT_BRFALSE_I4, 2 + (gint8)td.ip [1]);
1244                         td.ip += 2;
1245                         break;
1246                 case CEE_BRTRUE:
1247                         one_arg_branch (&td, MINT_BRTRUE_I4, 5 + read32 (td.ip + 1));
1248                         td.ip += 5;
1249                         break;
1250                 case CEE_BRTRUE_S:
1251                         one_arg_branch (&td, MINT_BRTRUE_I4, 2 + (gint8)td.ip [1]);
1252                         td.ip += 2;
1253                         break;
1254                 case CEE_BEQ:
1255                         two_arg_branch (&td, MINT_BEQ_I4, 5 + read32 (td.ip + 1));
1256                         td.ip += 5;
1257                         break;
1258                 case CEE_BEQ_S:
1259                         two_arg_branch (&td, MINT_BEQ_I4, 2 + (gint8) td.ip [1]);
1260                         td.ip += 2;
1261                         break;
1262                 case CEE_BGE:
1263                         two_arg_branch (&td, MINT_BGE_I4, 5 + read32 (td.ip + 1));
1264                         td.ip += 5;
1265                         break;
1266                 case CEE_BGE_S:
1267                         two_arg_branch (&td, MINT_BGE_I4, 2 + (gint8) td.ip [1]);
1268                         td.ip += 2;
1269                         break;
1270                 case CEE_BGT:
1271                         two_arg_branch (&td, MINT_BGT_I4, 5 + read32 (td.ip + 1));
1272                         td.ip += 5;
1273                         break;
1274                 case CEE_BGT_S:
1275                         two_arg_branch (&td, MINT_BGT_I4, 2 + (gint8) td.ip [1]);
1276                         td.ip += 2;
1277                         break;
1278                 case CEE_BLT:
1279                         two_arg_branch (&td, MINT_BLT_I4, 5 + read32 (td.ip + 1));
1280                         td.ip += 5;
1281                         break;
1282                 case CEE_BLT_S:
1283                         two_arg_branch (&td, MINT_BLT_I4, 2 + (gint8) td.ip [1]);
1284                         td.ip += 2;
1285                         break;
1286                 case CEE_BLE:
1287                         two_arg_branch (&td, MINT_BLE_I4, 5 + read32 (td.ip + 1));
1288                         td.ip += 5;
1289                         break;
1290                 case CEE_BLE_S:
1291                         two_arg_branch (&td, MINT_BLE_I4, 2 + (gint8) td.ip [1]);
1292                         td.ip += 2;
1293                         break;
1294                 case CEE_BNE_UN:
1295                         two_arg_branch (&td, MINT_BNE_UN_I4, 5 + read32 (td.ip + 1));
1296                         td.ip += 5;
1297                         break;
1298                 case CEE_BNE_UN_S:
1299                         two_arg_branch (&td, MINT_BNE_UN_I4, 2 + (gint8) td.ip [1]);
1300                         td.ip += 2;
1301                         break;
1302                 case CEE_BGE_UN:
1303                         two_arg_branch (&td, MINT_BGE_UN_I4, 5 + read32 (td.ip + 1));
1304                         td.ip += 5;
1305                         break;
1306                 case CEE_BGE_UN_S:
1307                         two_arg_branch (&td, MINT_BGE_UN_I4, 2 + (gint8) td.ip [1]);
1308                         td.ip += 2;
1309                         break;
1310                 case CEE_BGT_UN:
1311                         two_arg_branch (&td, MINT_BGT_UN_I4, 5 + read32 (td.ip + 1));
1312                         td.ip += 5;
1313                         break;
1314                 case CEE_BGT_UN_S:
1315                         two_arg_branch (&td, MINT_BGT_UN_I4, 2 + (gint8) td.ip [1]);
1316                         td.ip += 2;
1317                         break;
1318                 case CEE_BLE_UN:
1319                         two_arg_branch (&td, MINT_BLE_UN_I4, 5 + read32 (td.ip + 1));
1320                         td.ip += 5;
1321                         break;
1322                 case CEE_BLE_UN_S:
1323                         two_arg_branch (&td, MINT_BLE_UN_I4, 2 + (gint8) td.ip [1]);
1324                         td.ip += 2;
1325                         break;
1326                 case CEE_BLT_UN:
1327                         two_arg_branch (&td, MINT_BLT_UN_I4, 5 + read32 (td.ip + 1));
1328                         td.ip += 5;
1329                         break;
1330                 case CEE_BLT_UN_S:
1331                         two_arg_branch (&td, MINT_BLT_UN_I4, 2 + (gint8) td.ip [1]);
1332                         td.ip += 2;
1333                         break;
1334                 case CEE_SWITCH: {
1335                         guint32 n;
1336                         const unsigned char *next_ip;
1337                         const unsigned char *base_ip = td.ip;
1338                         unsigned short *next_new_ip;
1339                         ++td.ip;
1340                         n = read32 (td.ip);
1341                         ADD_CODE(&td, MINT_SWITCH);
1342                         ADD_CODE(&td, * (unsigned short *)(&n));
1343                         ADD_CODE(&td, * ((unsigned short *)&n + 1));
1344                         td.ip += 4;
1345                         next_ip = td.ip + n * 4;
1346                         next_new_ip = td.new_ip + n * 2;
1347                         for (i = 0; i < n; i++) {
1348                                 offset = read32 (td.ip);
1349                                 target = next_ip - td.il_code + offset;
1350                                 if (offset < 0)
1351                                         target = td.in_offsets [target] - (next_new_ip - td.new_code);
1352                                 else {
1353                                         int prev = td.forward_refs [target];
1354                                         td.forward_refs [td.ip - td.il_code] = prev;
1355                                         td.forward_refs [target] = td.ip - td.il_code;
1356                                         td.in_offsets [td.ip - td.il_code] = - (base_ip - td.il_code);
1357                                 }
1358                                 ADD_CODE(&td, * (unsigned short *)(&target));
1359                                 ADD_CODE(&td, * ((unsigned short *)&target + 1));
1360                                 td.ip += 4;
1361                         }
1362                         --td.sp;
1363                         break;
1364                 }
1365                 case CEE_LDIND_I1:
1366                         CHECK_STACK (&td, 1);
1367                         SIMPLE_OP (td, MINT_LDIND_I1);
1368                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
1369                         break;
1370                 case CEE_LDIND_U1:
1371                         CHECK_STACK (&td, 1);
1372                         SIMPLE_OP (td, MINT_LDIND_U1);
1373                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
1374                         break;
1375                 case CEE_LDIND_I2:
1376                         CHECK_STACK (&td, 1);
1377                         SIMPLE_OP (td, MINT_LDIND_I2);
1378                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
1379                         break;
1380                 case CEE_LDIND_U2:
1381                         CHECK_STACK (&td, 1);
1382                         SIMPLE_OP (td, MINT_LDIND_U2);
1383                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
1384                         break;
1385                 case CEE_LDIND_I4:
1386                         CHECK_STACK (&td, 1);
1387                         SIMPLE_OP (td, MINT_LDIND_I4);
1388                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
1389                         break;
1390                 case CEE_LDIND_U4:
1391                         CHECK_STACK (&td, 1);
1392                         SIMPLE_OP (td, MINT_LDIND_U4);
1393                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
1394                         break;
1395                 case CEE_LDIND_I8:
1396                         CHECK_STACK (&td, 1);
1397                         SIMPLE_OP (td, MINT_LDIND_I8);
1398                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I8);
1399                         break;
1400                 case CEE_LDIND_I:
1401                         CHECK_STACK (&td, 1);
1402                         SIMPLE_OP (td, MINT_LDIND_I);
1403                         ADD_CODE (&td, 0);
1404                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I);
1405                         break;
1406                 case CEE_LDIND_R4:
1407                         CHECK_STACK (&td, 1);
1408                         SIMPLE_OP (td, MINT_LDIND_R4);
1409                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_R8);
1410                         break;
1411                 case CEE_LDIND_R8:
1412                         CHECK_STACK (&td, 1);
1413                         SIMPLE_OP (td, MINT_LDIND_R8);
1414                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_R8);
1415                         break;
1416                 case CEE_LDIND_REF:
1417                         CHECK_STACK (&td, 1);
1418                         SIMPLE_OP (td, MINT_LDIND_REF);
1419                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_O);
1420                         break;
1421                 case CEE_STIND_REF:
1422                         CHECK_STACK (&td, 2);
1423                         SIMPLE_OP (td, MINT_STIND_REF);
1424                         td.sp -= 2;
1425                         break;
1426                 case CEE_STIND_I1:
1427                         CHECK_STACK (&td, 2);
1428                         SIMPLE_OP (td, MINT_STIND_I1);
1429                         td.sp -= 2;
1430                         break;
1431                 case CEE_STIND_I2:
1432                         CHECK_STACK (&td, 2);
1433                         SIMPLE_OP (td, MINT_STIND_I2);
1434                         td.sp -= 2;
1435                         break;
1436                 case CEE_STIND_I4:
1437                         CHECK_STACK (&td, 2);
1438                         SIMPLE_OP (td, MINT_STIND_I4);
1439                         td.sp -= 2;
1440                         break;
1441                 case CEE_STIND_I:
1442                         CHECK_STACK (&td, 2);
1443                         SIMPLE_OP (td, MINT_STIND_I);
1444                         td.sp -= 2;
1445                         break;
1446                 case CEE_STIND_I8:
1447                         CHECK_STACK (&td, 2);
1448                         SIMPLE_OP (td, MINT_STIND_I8);
1449                         td.sp -= 2;
1450                         break;
1451                 case CEE_STIND_R4:
1452                         CHECK_STACK (&td, 2);
1453                         SIMPLE_OP (td, MINT_STIND_R4);
1454                         td.sp -= 2;
1455                         break;
1456                 case CEE_STIND_R8:
1457                         CHECK_STACK (&td, 2);
1458                         SIMPLE_OP (td, MINT_STIND_R8);
1459                         td.sp -= 2;
1460                         break;
1461                 case CEE_ADD:
1462                         binary_arith_op(&td, MINT_ADD_I4);
1463                         ++td.ip;
1464                         break;
1465                 case CEE_SUB:
1466                         binary_arith_op(&td, MINT_SUB_I4);
1467                         ++td.ip;
1468                         break;
1469                 case CEE_MUL:
1470                         binary_arith_op(&td, MINT_MUL_I4);
1471                         ++td.ip;
1472                         break;
1473                 case CEE_DIV:
1474                         binary_arith_op(&td, MINT_DIV_I4);
1475                         ++td.ip;
1476                         break;
1477                 case CEE_DIV_UN:
1478                         binary_arith_op(&td, MINT_DIV_UN_I4);
1479                         ++td.ip;
1480                         break;
1481                 case CEE_REM:
1482                         binary_int_op (&td, MINT_REM_I4);
1483                         ++td.ip;
1484                         break;
1485                 case CEE_REM_UN:
1486                         binary_int_op (&td, MINT_REM_UN_I4);
1487                         ++td.ip;
1488                         break;
1489                 case CEE_AND:
1490                         binary_int_op (&td, MINT_AND_I4);
1491                         ++td.ip;
1492                         break;
1493                 case CEE_OR:
1494                         binary_int_op (&td, MINT_OR_I4);
1495                         ++td.ip;
1496                         break;
1497                 case CEE_XOR:
1498                         binary_int_op (&td, MINT_XOR_I4);
1499                         ++td.ip;
1500                         break;
1501                 case CEE_SHL:
1502                         shift_op (&td, MINT_SHL_I4);
1503                         ++td.ip;
1504                         break;
1505                 case CEE_SHR:
1506                         shift_op (&td, MINT_SHR_I4);
1507                         ++td.ip;
1508                         break;
1509                 case CEE_SHR_UN:
1510                         shift_op (&td, MINT_SHR_UN_I4);
1511                         ++td.ip;
1512                         break;
1513                 case CEE_NEG:
1514                         unary_arith_op (&td, MINT_NEG_I4);
1515                         ++td.ip;
1516                         break;
1517                 case CEE_NOT:
1518                         unary_arith_op (&td, MINT_NOT_I4);
1519                         ++td.ip;
1520                         break;
1521                 case CEE_CONV_U1:
1522                         CHECK_STACK (&td, 1);
1523                         switch (td.sp [-1].type) {
1524                         case STACK_TYPE_R8:
1525                                 ADD_CODE(&td, MINT_CONV_U1_R8);
1526                                 break;
1527                         case STACK_TYPE_I4:
1528                                 ADD_CODE(&td, MINT_CONV_U1_I4);
1529                                 break;
1530                         case STACK_TYPE_I8:
1531                                 ADD_CODE(&td, MINT_CONV_U1_I8);
1532                                 break;
1533                         default:
1534                                 g_assert_not_reached ();
1535                         }
1536                         ++td.ip;
1537                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
1538                         break;
1539                 case CEE_CONV_I1:
1540                         CHECK_STACK (&td, 1);
1541                         switch (td.sp [-1].type) {
1542                         case STACK_TYPE_R8:
1543                                 ADD_CODE(&td, MINT_CONV_I1_R8);
1544                                 break;
1545                         case STACK_TYPE_I4:
1546                                 ADD_CODE(&td, MINT_CONV_I1_I4);
1547                                 break;
1548                         case STACK_TYPE_I8:
1549                                 ADD_CODE(&td, MINT_CONV_I1_I8);
1550                                 break;
1551                         default:
1552                                 g_assert_not_reached ();
1553                         }
1554                         ++td.ip;
1555                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
1556                         break;
1557                 case CEE_CONV_U2:
1558                         CHECK_STACK (&td, 1);
1559                         switch (td.sp [-1].type) {
1560                         case STACK_TYPE_R8:
1561                                 ADD_CODE(&td, MINT_CONV_U2_R8);
1562                                 break;
1563                         case STACK_TYPE_I4:
1564                                 ADD_CODE(&td, MINT_CONV_U2_I4);
1565                                 break;
1566                         case STACK_TYPE_I8:
1567                                 ADD_CODE(&td, MINT_CONV_U2_I8);
1568                                 break;
1569                         default:
1570                                 g_assert_not_reached ();
1571                         }
1572                         ++td.ip;
1573                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
1574                         break;
1575                 case CEE_CONV_I2:
1576                         CHECK_STACK (&td, 1);
1577                         switch (td.sp [-1].type) {
1578                         case STACK_TYPE_R8:
1579                                 ADD_CODE(&td, MINT_CONV_I2_R8);
1580                                 break;
1581                         case STACK_TYPE_I4:
1582                                 ADD_CODE(&td, MINT_CONV_I2_I4);
1583                                 break;
1584                         case STACK_TYPE_I8:
1585                                 ADD_CODE(&td, MINT_CONV_I2_I8);
1586                                 break;
1587                         default:
1588                                 g_assert_not_reached ();
1589                         }
1590                         ++td.ip;
1591                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
1592                         break;
1593                 case CEE_CONV_U:
1594                         CHECK_STACK (&td, 1);
1595                         switch (td.sp [-1].type) {
1596                         case STACK_TYPE_R8:
1597 #if SIZEOF_VOID_P == 4
1598                                 ADD_CODE(&td, MINT_CONV_U4_R8);
1599 #else
1600                                 ADD_CODE(&td, MINT_CONV_U8_R8);
1601 #endif
1602                                 break;
1603                         case STACK_TYPE_I4:
1604 #if SIZEOF_VOID_P == 8
1605                                 ADD_CODE(&td, MINT_CONV_U8_I4);
1606 #endif
1607                                 break;
1608                         case STACK_TYPE_I8:
1609 #if SIZEOF_VOID_P == 4
1610                                 ADD_CODE(&td, MINT_CONV_U4_I8);
1611 #endif
1612                                 break;
1613                         case STACK_TYPE_MP:
1614                                 break;
1615                         default:
1616                                 g_assert_not_reached ();
1617                         }
1618                         ++td.ip;
1619                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I);
1620                         break;
1621                 case CEE_CONV_I:
1622                         CHECK_STACK (&td, 1);
1623                         switch (td.sp [-1].type) {
1624                         case STACK_TYPE_R8:
1625 #if SIZEOF_VOID_P == 8
1626                                 ADD_CODE(&td, MINT_CONV_I8_R8);
1627 #else
1628                                 ADD_CODE(&td, MINT_CONV_I4_R8);
1629 #endif
1630                                 break;
1631                         case STACK_TYPE_I4:
1632 #if SIZEOF_VOID_P == 8
1633                                 ADD_CODE(&td, MINT_CONV_I8_I4);
1634 #endif
1635                                 break;
1636                         case STACK_TYPE_O:
1637                                 break;
1638                         case STACK_TYPE_MP:
1639                                 break;
1640                         case STACK_TYPE_I8:
1641 #if SIZEOF_VOID_P == 4
1642                                 ADD_CODE(&td, MINT_CONV_I4_I8);
1643 #endif
1644                                 break;
1645                         default:
1646                                 g_assert_not_reached ();
1647                         }
1648                         ++td.ip;
1649                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I);
1650                         break;
1651                 case CEE_CONV_U4:
1652                         CHECK_STACK (&td, 1);
1653                         switch (td.sp [-1].type) {
1654                         case STACK_TYPE_R8:
1655                                 ADD_CODE(&td, MINT_CONV_U4_R8);
1656                                 break;
1657                         case STACK_TYPE_I4:
1658                                 break;
1659                         case STACK_TYPE_I8:
1660                                 ADD_CODE(&td, MINT_CONV_U4_I8);
1661                                 break;
1662                         case STACK_TYPE_MP:
1663 #if SIZEOF_VOID_P == 8
1664                                 ADD_CODE(&td, MINT_CONV_U4_I8);
1665 #endif
1666                                 break;
1667                         default:
1668                                 g_assert_not_reached ();
1669                         }
1670                         ++td.ip;
1671                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
1672                         break;
1673                 case CEE_CONV_I4:
1674                         CHECK_STACK (&td, 1);
1675                         switch (td.sp [-1].type) {
1676                         case STACK_TYPE_R8:
1677                                 ADD_CODE(&td, MINT_CONV_I4_R8);
1678                                 break;
1679                         case STACK_TYPE_I4:
1680                                 break;
1681                         case STACK_TYPE_I8:
1682                                 ADD_CODE(&td, MINT_CONV_I4_I8);
1683                                 break;
1684                         case STACK_TYPE_MP:
1685 #if SIZEOF_VOID_P == 8
1686                                 ADD_CODE(&td, MINT_CONV_I4_I8);
1687 #endif
1688                                 break;
1689                         default:
1690                                 g_assert_not_reached ();
1691                         }
1692                         ++td.ip;
1693                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
1694                         break;
1695                 case CEE_CONV_I8:
1696                         CHECK_STACK (&td, 1);
1697                         switch (td.sp [-1].type) {
1698                         case STACK_TYPE_R8:
1699                                 ADD_CODE(&td, MINT_CONV_I8_R8);
1700                                 break;
1701                         case STACK_TYPE_I4:
1702                                 ADD_CODE(&td, MINT_CONV_I8_I4);
1703                                 break;
1704                         case STACK_TYPE_I8:
1705                                 break;
1706                         case STACK_TYPE_MP:
1707 #if SIZEOF_VOID_P == 4
1708                                 ADD_CODE(&td, MINT_CONV_I8_I4);
1709 #endif
1710                                 break;
1711                         default:
1712                                 g_assert_not_reached ();
1713                         }
1714                         ++td.ip;
1715                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I8);
1716                         break;
1717                 case CEE_CONV_R4:
1718                         CHECK_STACK (&td, 1);
1719                         switch (td.sp [-1].type) {
1720                         case STACK_TYPE_R8:
1721                                 ADD_CODE(&td, MINT_CONV_R4_R8);
1722                                 break;
1723                         case STACK_TYPE_I8:
1724                                 ADD_CODE(&td, MINT_CONV_R4_I8);
1725                                 break;
1726                         case STACK_TYPE_I4:
1727                                 ADD_CODE(&td, MINT_CONV_R4_I4);
1728                                 break;
1729                         default:
1730                                 g_assert_not_reached ();
1731                         }
1732                         ++td.ip;
1733                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_R8);
1734                         break;
1735                 case CEE_CONV_R8:
1736                         CHECK_STACK (&td, 1);
1737                         switch (td.sp [-1].type) {
1738                         case STACK_TYPE_I4:
1739                                 ADD_CODE(&td, MINT_CONV_R8_I4);
1740                                 break;
1741                         case STACK_TYPE_I8:
1742                                 ADD_CODE(&td, MINT_CONV_R8_I8);
1743                                 break;
1744                         case STACK_TYPE_R8:
1745                                 break;
1746                         default:
1747                                 g_assert_not_reached ();
1748                         }
1749                         ++td.ip;
1750                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_R8);
1751                         break;
1752                 case CEE_CONV_U8:
1753                         CHECK_STACK (&td, 1);
1754                         switch (td.sp [-1].type) {
1755                         case STACK_TYPE_I4:
1756                                 ADD_CODE(&td, MINT_CONV_U8_I4);
1757                                 break;
1758                         case STACK_TYPE_I8:
1759                                 break;
1760                         case STACK_TYPE_R8:
1761                                 ADD_CODE(&td, MINT_CONV_U8_R8);
1762                                 break;
1763                         case STACK_TYPE_MP:
1764 #if SIZEOF_VOID_P == 4
1765                                 ADD_CODE(&td, MINT_CONV_U8_I4);
1766 #endif
1767                                 break;
1768                         default:
1769                                 g_assert_not_reached ();
1770                         }
1771                         ++td.ip;
1772                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I8);
1773                         break;
1774 #if 0
1775                 case CEE_CPOBJ: {
1776                         MonoClass *vtklass;
1777                         ++ip;
1778                         vtklass = mono_class_get_full (image, read32 (ip), generic_context);
1779                         ip += 4;
1780                         sp -= 2;
1781                         memcpy (sp [0].data.p, sp [1].data.p, mono_class_value_size (vtklass, NULL));
1782                         break;
1783                 }
1784 #endif
1785                 case CEE_LDOBJ: {
1786                         int size;
1787                         CHECK_STACK (&td, 1);
1788
1789                         token = read32 (td.ip + 1);
1790
1791                         if (method->wrapper_type != MONO_WRAPPER_NONE)
1792                                 klass = (MonoClass *)mono_method_get_wrapper_data (method, token);
1793                         else
1794                                 klass = mono_class_get_full (image, token, generic_context);
1795
1796                         ADD_CODE(&td, MINT_LDOBJ);
1797                         ADD_CODE(&td, get_data_item_index(&td, klass));
1798                         if (mint_type (&klass->byval_arg) == MINT_TYPE_VT) {
1799                                 size = mono_class_value_size (klass, NULL);
1800                                 PUSH_VT(&td, size);
1801                         }
1802                         td.ip += 5;
1803                         SET_TYPE(td.sp - 1, stack_type[mint_type(&klass->byval_arg)], klass);
1804                         break;
1805                 }
1806                 case CEE_LDSTR: {
1807                         MonoString *s;
1808                         token = mono_metadata_token_index (read32 (td.ip + 1));
1809                         td.ip += 5;
1810                         if (method->wrapper_type != MONO_WRAPPER_NONE) {
1811                                 s = mono_string_new_wrapper(
1812                                         mono_method_get_wrapper_data (method, token));
1813                         }
1814                         else
1815                                 s = mono_ldstr (domain, image, token);
1816                         ADD_CODE(&td, MINT_LDSTR);
1817                         ADD_CODE(&td, get_data_item_index (&td, s));
1818                         PUSH_TYPE(&td, STACK_TYPE_O, mono_defaults.string_class);
1819                         break;
1820                 }
1821                 case CEE_NEWOBJ: {
1822                         MonoMethod *m;
1823                         MonoMethodSignature *csignature;
1824                         guint32 vt_stack_used = 0;
1825                         guint32 vt_res_size = 0;
1826
1827                         td.ip++;
1828                         token = read32 (td.ip);
1829                         td.ip += 4;
1830
1831                         if (method->wrapper_type != MONO_WRAPPER_NONE)
1832                                 m = (MonoMethod *)mono_method_get_wrapper_data (method, token);
1833                         else
1834                                 m = mono_get_method_full (image, token, NULL, generic_context);
1835
1836                         csignature = mono_method_signature (m);
1837                         klass = m->klass;
1838                         td.sp -= csignature->param_count;
1839                         ADD_CODE(&td, MINT_NEWOBJ);
1840                         ADD_CODE(&td, get_data_item_index (&td, mono_interp_get_runtime_method (domain, m, &error)));
1841                         mono_error_cleanup (&error); /* FIXME: don't swallow the error */
1842
1843                         if (mint_type (&klass->byval_arg) == MINT_TYPE_VT) {
1844                                 vt_res_size = mono_class_value_size (klass, NULL);
1845                                 PUSH_VT (&td, vt_res_size);
1846                         }
1847                         for (i = 0; i < csignature->param_count; ++i) {
1848                                 int mt = mint_type(csignature->params [i]);
1849                                 if (mt == MINT_TYPE_VT) {
1850                                         MonoClass *k = mono_class_from_mono_type (csignature->params [i]);
1851                                         gint32 size = mono_class_value_size (k, NULL);
1852                                         size = (size + 7) & ~7;
1853                                         vt_stack_used += size;
1854                                 }
1855                         }
1856                         if (vt_stack_used != 0 || vt_res_size != 0) {
1857                                 ADD_CODE(&td, MINT_VTRESULT);
1858                                 ADD_CODE(&td, vt_res_size);
1859                                 WRITE32(&td, &vt_stack_used);
1860                                 td.vt_sp -= vt_stack_used;
1861                         }
1862                         PUSH_TYPE (&td, stack_type [mint_type (&klass->byval_arg)], klass);
1863                         break;
1864                 }
1865                 case CEE_CASTCLASS:
1866                         CHECK_STACK (&td, 1);
1867                         token = read32 (td.ip + 1);
1868                         klass = mono_class_get_full (image, token, generic_context);
1869                         ADD_CODE(&td, MINT_CASTCLASS);
1870                         ADD_CODE(&td, get_data_item_index (&td, klass));
1871                         td.sp [-1].klass = klass;
1872                         td.ip += 5;
1873                         break;
1874                 case CEE_ISINST:
1875                         CHECK_STACK (&td, 1);
1876                         token = read32 (td.ip + 1);
1877                         klass = mono_class_get_full (image, token, generic_context);
1878                         ADD_CODE(&td, MINT_ISINST);
1879                         ADD_CODE(&td, get_data_item_index (&td, klass));
1880                         td.ip += 5;
1881                         break;
1882                 case CEE_CONV_R_UN:
1883                         switch (td.sp [-1].type) {
1884                         case STACK_TYPE_R8:
1885                                 break;
1886                         case STACK_TYPE_I8:
1887                                 ADD_CODE(&td, MINT_CONV_R_UN_I8);
1888                                 break;
1889                         case STACK_TYPE_I4:
1890                                 ADD_CODE(&td, MINT_CONV_R_UN_I4);
1891                                 break;
1892                         default:
1893                                 g_assert_not_reached ();
1894                         }
1895                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_R8);
1896                         ++td.ip;
1897                         break;
1898                 case CEE_UNBOX:
1899                         CHECK_STACK (&td, 1);
1900                         token = read32 (td.ip + 1);
1901
1902                         if (method->wrapper_type != MONO_WRAPPER_NONE)
1903                                 klass = (MonoClass *)mono_method_get_wrapper_data (method, token);
1904                         else
1905                                 klass = mono_class_get_full (image, token, generic_context);
1906
1907                         if (mono_class_is_nullable (klass)) {
1908                                 g_error ("cee_unbox: implement Nullable");
1909                         }
1910
1911                         ADD_CODE(&td, MINT_UNBOX);
1912                         ADD_CODE(&td, get_data_item_index (&td, klass));
1913                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_MP);
1914                         td.ip += 5;
1915                         break;
1916                 case CEE_UNBOX_ANY:
1917                         CHECK_STACK (&td, 1);
1918                         token = read32 (td.ip + 1);
1919
1920                         g_assert (method->wrapper_type == MONO_WRAPPER_NONE);
1921                         klass = mono_class_get_full (image, token, generic_context);
1922
1923                         if (mini_type_is_reference (&klass->byval_arg)) {
1924                                 g_error ("unbox_any: generic class is reference type");
1925                         } else if (mono_class_is_nullable (klass)) {
1926                                 MonoMethod *target_method = mono_class_get_method_from_name (klass, "Unbox", 1);
1927                                 /* td.ip is incremented by interp_transform_call */
1928                                 interp_transform_call (&td, method, target_method, domain, generic_context, is_bb_start, body_start_offset, NULL);
1929                         } else {
1930                                 int mt = mint_type (&klass->byval_arg);
1931                                 ADD_CODE (&td, MINT_UNBOX);
1932                                 ADD_CODE (&td, get_data_item_index (&td, klass));
1933                                 SET_TYPE (td.sp - 1, stack_type [mt], klass);
1934                                 if (mt == MINT_TYPE_VT) {
1935                                         int size = mono_class_value_size (klass, NULL);
1936                                         PUSH_VT (&td, size);
1937                                 }
1938                                 td.ip += 5;
1939                         }
1940
1941                         break;
1942                 case CEE_THROW:
1943                         CHECK_STACK (&td, 1);
1944                         SIMPLE_OP (td, MINT_THROW);
1945                         --td.sp;
1946                         generating_code = 0;
1947                         break;
1948                 case CEE_LDFLDA:
1949                         CHECK_STACK (&td, 1);
1950                         token = read32 (td.ip + 1);
1951                         field = mono_field_from_token (image, token, &klass, generic_context);
1952                         mono_class_init (klass);
1953                         mt = mint_type(field->type);
1954                         ADD_CODE(&td, MINT_LDFLDA);
1955                         ADD_CODE(&td, klass->valuetype ? field->offset - sizeof(MonoObject) : field->offset);
1956                         td.ip += 5;
1957                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_MP);
1958                         break;
1959                 case CEE_LDFLD: {
1960                         CHECK_STACK (&td, 1);
1961                         token = read32 (td.ip + 1);
1962                         field = mono_field_from_token (image, token, &klass, generic_context);
1963                         mono_class_init (klass);
1964
1965                         MonoClass *field_klass = mono_class_from_mono_type (field->type);
1966                         mt = mint_type (&field_klass->byval_arg);
1967                         if (klass->marshalbyref) {
1968                                 ADD_CODE(&td, mt == MINT_TYPE_VT ? MINT_LDRMFLD_VT :  MINT_LDRMFLD);
1969                                 ADD_CODE(&td, get_data_item_index (&td, field));
1970                         } else  {
1971                                 ADD_CODE(&td, MINT_LDFLD_I1 + mt - MINT_TYPE_I1);
1972                                 ADD_CODE(&td, klass->valuetype ? field->offset - sizeof(MonoObject) : field->offset);
1973                         }
1974                         if (mt == MINT_TYPE_VT) {
1975                                 int size = mono_class_value_size (field_klass, NULL);
1976                                 PUSH_VT(&td, size);
1977                                 WRITE32(&td, &size);
1978                         }
1979                         if (td.sp [-1].type == STACK_TYPE_VT) {
1980                                 int size = mono_class_value_size (klass, NULL);
1981                                 size = (size + 7) & ~7;
1982                                 td.vt_sp -= size;
1983                                 ADD_CODE (&td, MINT_VTRESULT);
1984                                 ADD_CODE (&td, 0);
1985                                 WRITE32 (&td, &size);
1986                         }
1987                         td.ip += 5;
1988                         SET_TYPE(td.sp - 1, stack_type [mt], field_klass);
1989                         break;
1990                 }
1991                 case CEE_STFLD:
1992                         CHECK_STACK (&td, 2);
1993                         token = read32 (td.ip + 1);
1994                         field = mono_field_from_token (image, token, &klass, generic_context);
1995                         mono_class_init (klass);
1996                         mt = mint_type(field->type);
1997                         if (klass->marshalbyref) {
1998                                 ADD_CODE(&td, mt == MINT_TYPE_VT ? MINT_STRMFLD_VT : MINT_STRMFLD);
1999                                 ADD_CODE(&td, get_data_item_index (&td, field));
2000                         } else  {
2001                                 ADD_CODE(&td, MINT_STFLD_I1 + mt - MINT_TYPE_I1);
2002                                 ADD_CODE(&td, klass->valuetype ? field->offset - sizeof(MonoObject) : field->offset);
2003                         }
2004                         if (mt == MINT_TYPE_VT) {
2005                                 MonoClass *klass = mono_class_from_mono_type (field->type);
2006                                 int size = mono_class_value_size (klass, NULL);
2007                                 POP_VT(&td, size);
2008                                 WRITE32(&td, &size);
2009                         }
2010                         td.ip += 5;
2011                         td.sp -= 2;
2012                         break;
2013                 case CEE_LDSFLDA:
2014                         token = read32 (td.ip + 1);
2015                         field = mono_field_from_token (image, token, &klass, generic_context);
2016                         ADD_CODE(&td, MINT_LDSFLDA);
2017                         ADD_CODE(&td, get_data_item_index (&td, field));
2018                         td.ip += 5;
2019                         PUSH_SIMPLE_TYPE(&td, STACK_TYPE_MP);
2020                         break;
2021                 case CEE_LDSFLD:
2022                         token = read32 (td.ip + 1);
2023                         field = mono_field_from_token (image, token, &klass, generic_context);
2024                         mt = mint_type(field->type);
2025                         ADD_CODE(&td, mt == MINT_TYPE_VT ? MINT_LDSFLD_VT : MINT_LDSFLD);
2026                         ADD_CODE(&td, get_data_item_index (&td, field));
2027                         klass = NULL;
2028                         if (mt == MINT_TYPE_VT) {
2029                                 MonoClass *klass = mono_class_from_mono_type (field->type);
2030                                 int size = mono_class_value_size (klass, NULL);
2031                                 PUSH_VT(&td, size);
2032                                 WRITE32(&td, &size);
2033                                 klass = field->type->data.klass;
2034                         } else {
2035                                 if (mt == MINT_TYPE_O)
2036                                         klass = mono_class_from_mono_type (field->type);
2037                         }
2038                         td.ip += 5;
2039                         PUSH_TYPE(&td, stack_type [mt], klass);
2040                         break;
2041                 case CEE_STSFLD:
2042                         CHECK_STACK (&td, 1);
2043                         token = read32 (td.ip + 1);
2044                         field = mono_field_from_token (image, token, &klass, generic_context);
2045                         mt = mint_type(field->type);
2046                         ADD_CODE(&td, mt == MINT_TYPE_VT ? MINT_STSFLD_VT : MINT_STSFLD);
2047                         ADD_CODE(&td, get_data_item_index (&td, field));
2048                         if (mt == MINT_TYPE_VT) {
2049                                 MonoClass *klass = mono_class_from_mono_type (field->type);
2050                                 int size = mono_class_value_size (klass, NULL);
2051                                 POP_VT (&td, size);
2052                                 WRITE32 (&td, &size);
2053                         }
2054                         td.ip += 5;
2055                         --td.sp;
2056                         break;
2057                 case CEE_STOBJ: {
2058                         int size;
2059                         token = read32 (td.ip + 1);
2060
2061                         if (method->wrapper_type != MONO_WRAPPER_NONE)
2062                                 klass = (MonoClass *)mono_method_get_wrapper_data (method, token);
2063                         else
2064                                 klass = mono_class_get_full (image, token, generic_context);
2065
2066                         ADD_CODE(&td, td.sp [-1].type == STACK_TYPE_VT ? MINT_STOBJ_VT : MINT_STOBJ);
2067                         ADD_CODE(&td, get_data_item_index (&td, klass));
2068                         if (td.sp [-1].type == STACK_TYPE_VT) {
2069                                 size = mono_class_value_size (klass, NULL);
2070                                 size = (size + 7) & ~7;
2071                                 td.vt_sp -= size;
2072                         }
2073                         td.ip += 5;
2074                         td.sp -= 2;
2075                         break;
2076                 }
2077                 case CEE_CONV_OVF_I_UN:
2078                         CHECK_STACK (&td, 1);
2079                         switch (td.sp [-1].type) {
2080                         case STACK_TYPE_R8:
2081 #if SIZEOF_VOID_P == 8
2082                                 ADD_CODE(&td, MINT_CONV_OVF_I8_UN_R8);
2083 #else
2084                                 ADD_CODE(&td, MINT_CONV_OVF_I4_UN_R8);
2085 #endif
2086                                 break;
2087                         case STACK_TYPE_I8:
2088                                 /*FIX*/
2089                                 break;
2090                         case STACK_TYPE_I4:
2091 #if SIZEOF_VOID_P == 8
2092                                 ADD_CODE(&td, MINT_CONV_I8_U4);
2093 #endif
2094                                 break;
2095                         default:
2096                                 g_assert_not_reached ();
2097                                 break;
2098                         }
2099                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I8);
2100                         ++td.ip;
2101                         break;
2102                 case CEE_CONV_OVF_I8_UN:
2103                         CHECK_STACK (&td, 1);
2104                         switch (td.sp [-1].type) {
2105                         case STACK_TYPE_R8:
2106                                 ADD_CODE(&td, MINT_CONV_OVF_I8_UN_R8);
2107                                 break;
2108                         case STACK_TYPE_I8:
2109                                 break;
2110                         case STACK_TYPE_I4:
2111                                 ADD_CODE(&td, MINT_CONV_I8_U4);
2112                                 break;
2113                         default:
2114                                 g_assert_not_reached ();
2115                                 break;
2116                         }
2117                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I8);
2118                         ++td.ip;
2119                         break;
2120                 case CEE_BOX: {
2121                         int size;
2122                         CHECK_STACK (&td, 1);
2123                         token = read32 (td.ip + 1);
2124                         if (method->wrapper_type != MONO_WRAPPER_NONE)
2125                                 klass = (MonoClass *)mono_method_get_wrapper_data (method, token);
2126                         else
2127                                 klass = mono_class_get_full (image, token, generic_context);
2128
2129                         if (mono_class_is_nullable (klass)) {
2130                                 MonoMethod *target_method = mono_class_get_method_from_name (klass, "Box", 1);
2131                                 /* td.ip is incremented by interp_transform_call */
2132                                 interp_transform_call (&td, method, target_method, domain, generic_context, is_bb_start, body_start_offset, NULL);
2133                         } else if (!klass->valuetype) {
2134                                 /* already boxed, do nothing. */
2135                                 td.ip += 5;
2136                         } else {
2137                                 if (mint_type (&klass->byval_arg) == MINT_TYPE_VT && !klass->enumtype) {
2138                                         size = mono_class_value_size (klass, NULL);
2139                                         size = (size + 7) & ~7;
2140                                         td.vt_sp -= size;
2141                                 }
2142                                 ADD_CODE(&td, MINT_BOX);
2143                                 ADD_CODE(&td, get_data_item_index (&td, klass));
2144                                 ADD_CODE (&td, 0);
2145                                 SET_TYPE(td.sp - 1, STACK_TYPE_O, klass);
2146                                 td.ip += 5;
2147                         }
2148
2149                         break;
2150                 }
2151                 case CEE_NEWARR:
2152                         CHECK_STACK (&td, 1);
2153                         token = read32 (td.ip + 1);
2154
2155                         if (method->wrapper_type != MONO_WRAPPER_NONE)
2156                                 klass = (MonoClass *)mono_method_get_wrapper_data (method, token);
2157                         else
2158                                 klass = mono_class_get_full (image, token, generic_context);
2159
2160                         ADD_CODE(&td, MINT_NEWARR);
2161                         ADD_CODE(&td, get_data_item_index (&td, klass));
2162                         SET_TYPE(td.sp - 1, STACK_TYPE_O, klass);
2163                         td.ip += 5;
2164                         break;
2165                 case CEE_LDLEN:
2166                         CHECK_STACK (&td, 1);
2167                         SIMPLE_OP (td, MINT_LDLEN);
2168                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I);
2169                         break;
2170                 case CEE_LDELEMA:
2171                         CHECK_STACK (&td, 2);
2172                         ENSURE_I4 (&td, 1);
2173                         token = read32 (td.ip + 1);
2174
2175                         if (method->wrapper_type != MONO_WRAPPER_NONE)
2176                                 klass = (MonoClass *)mono_method_get_wrapper_data (method, token);
2177                         else
2178                                 klass = mono_class_get_full (image, token, generic_context);
2179
2180                         ADD_CODE(&td, MINT_LDELEMA);
2181                         ADD_CODE(&td, get_data_item_index (&td, klass));
2182                         td.ip += 5;
2183                         --td.sp;
2184                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_MP);
2185                         break;
2186                 case CEE_LDELEM_I1:
2187                         CHECK_STACK (&td, 2);
2188                         ENSURE_I4 (&td, 1);
2189                         SIMPLE_OP (td, MINT_LDELEM_I1);
2190                         --td.sp;
2191                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2192                         break;
2193                 case CEE_LDELEM_U1:
2194                         CHECK_STACK (&td, 2);
2195                         ENSURE_I4 (&td, 1);
2196                         SIMPLE_OP (td, MINT_LDELEM_U1);
2197                         --td.sp;
2198                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2199                         break;
2200                 case CEE_LDELEM_I2:
2201                         CHECK_STACK (&td, 2);
2202                         ENSURE_I4 (&td, 1);
2203                         SIMPLE_OP (td, MINT_LDELEM_I2);
2204                         --td.sp;
2205                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2206                         break;
2207                 case CEE_LDELEM_U2:
2208                         CHECK_STACK (&td, 2);
2209                         ENSURE_I4 (&td, 1);
2210                         SIMPLE_OP (td, MINT_LDELEM_U2);
2211                         --td.sp;
2212                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2213                         break;
2214                 case CEE_LDELEM_I4:
2215                         CHECK_STACK (&td, 2);
2216                         ENSURE_I4 (&td, 1);
2217                         SIMPLE_OP (td, MINT_LDELEM_I4);
2218                         --td.sp;
2219                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2220                         break;
2221                 case CEE_LDELEM_U4:
2222                         CHECK_STACK (&td, 2);
2223                         ENSURE_I4 (&td, 1);
2224                         SIMPLE_OP (td, MINT_LDELEM_U4);
2225                         --td.sp;
2226                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2227                         break;
2228                 case CEE_LDELEM_I8:
2229                         CHECK_STACK (&td, 2);
2230                         ENSURE_I4 (&td, 1);
2231                         SIMPLE_OP (td, MINT_LDELEM_I8);
2232                         --td.sp;
2233                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I8);
2234                         break;
2235                 case CEE_LDELEM_I:
2236                         CHECK_STACK (&td, 2);
2237                         ENSURE_I4 (&td, 1);
2238                         SIMPLE_OP (td, MINT_LDELEM_I);
2239                         --td.sp;
2240                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I);
2241                         break;
2242                 case CEE_LDELEM_R4:
2243                         CHECK_STACK (&td, 2);
2244                         ENSURE_I4 (&td, 1);
2245                         SIMPLE_OP (td, MINT_LDELEM_R4);
2246                         --td.sp;
2247                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_R8);
2248                         break;
2249                 case CEE_LDELEM_R8:
2250                         CHECK_STACK (&td, 2);
2251                         ENSURE_I4 (&td, 1);
2252                         SIMPLE_OP (td, MINT_LDELEM_R8);
2253                         --td.sp;
2254                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_R8);
2255                         break;
2256                 case CEE_LDELEM_REF:
2257                         CHECK_STACK (&td, 2);
2258                         ENSURE_I4 (&td, 1);
2259                         SIMPLE_OP (td, MINT_LDELEM_REF);
2260                         --td.sp;
2261                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_O);
2262                         break;
2263                 case CEE_LDELEM:
2264                         CHECK_STACK (&td, 2);
2265                         token = read32 (td.ip + 1);
2266                         klass = mono_class_get_full (image, token, generic_context);
2267                         switch (mint_type (&klass->byval_arg)) {
2268                                 case MINT_TYPE_I4:
2269                                         ENSURE_I4 (&td, 1);
2270                                         SIMPLE_OP (td, MINT_LDELEM_I4);
2271                                         --td.sp;
2272                                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2273                                         break;
2274                                 case MINT_TYPE_O:
2275                                         ENSURE_I4 (&td, 1);
2276                                         SIMPLE_OP (td, MINT_LDELEM_REF);
2277                                         --td.sp;
2278                                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_O);
2279                                         break;
2280                                 case MINT_TYPE_VT: {
2281                                         int size = mono_class_value_size (klass, NULL);
2282                                         ENSURE_I4 (&td, 1);
2283                                         SIMPLE_OP (td, MINT_LDELEM_VT);
2284                                         ADD_CODE (&td, get_data_item_index (&td, klass));
2285                                         WRITE32 (&td, &size);
2286                                         --td.sp;
2287                                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_VT);
2288                                         PUSH_VT (&td, size);
2289                                         break;
2290                                 }
2291                                 default: {
2292                                         GString *res = g_string_new ("");
2293                                         mono_type_get_desc (res, &klass->byval_arg, TRUE);
2294                                         g_print ("LDELEM: %s -> %d (%s)\n", klass->name, mint_type (&klass->byval_arg), res->str);
2295                                         g_string_free (res, TRUE);
2296                                         g_assert (0);
2297                                         break;
2298                                 }
2299                         }
2300                         td.ip += 4;
2301                         break;
2302                 case CEE_STELEM_I:
2303                         CHECK_STACK (&td, 3);
2304                         ENSURE_I4 (&td, 2);
2305                         SIMPLE_OP (td, MINT_STELEM_I);
2306                         td.sp -= 3;
2307                         break;
2308                 case CEE_STELEM_I1:
2309                         CHECK_STACK (&td, 3);
2310                         ENSURE_I4 (&td, 2);
2311                         SIMPLE_OP (td, MINT_STELEM_I1);
2312                         td.sp -= 3;
2313                         break;
2314                 case CEE_STELEM_I2:
2315                         CHECK_STACK (&td, 3);
2316                         ENSURE_I4 (&td, 2);
2317                         SIMPLE_OP (td, MINT_STELEM_I2);
2318                         td.sp -= 3;
2319                         break;
2320                 case CEE_STELEM_I4:
2321                         CHECK_STACK (&td, 3);
2322                         ENSURE_I4 (&td, 2);
2323                         SIMPLE_OP (td, MINT_STELEM_I4);
2324                         td.sp -= 3;
2325                         break;
2326                 case CEE_STELEM_I8:
2327                         CHECK_STACK (&td, 3);
2328                         ENSURE_I4 (&td, 2);
2329                         SIMPLE_OP (td, MINT_STELEM_I8);
2330                         td.sp -= 3;
2331                         break;
2332                 case CEE_STELEM_R4:
2333                         CHECK_STACK (&td, 3);
2334                         ENSURE_I4 (&td, 2);
2335                         SIMPLE_OP (td, MINT_STELEM_R4);
2336                         td.sp -= 3;
2337                         break;
2338                 case CEE_STELEM_R8:
2339                         CHECK_STACK (&td, 3);
2340                         ENSURE_I4 (&td, 2);
2341                         SIMPLE_OP (td, MINT_STELEM_R8);
2342                         td.sp -= 3;
2343                         break;
2344                 case CEE_STELEM_REF:
2345                         CHECK_STACK (&td, 3);
2346                         ENSURE_I4 (&td, 2);
2347                         SIMPLE_OP (td, MINT_STELEM_REF);
2348                         td.sp -= 3;
2349                         break;
2350                 case CEE_STELEM:
2351                         CHECK_STACK (&td, 3);
2352                         ENSURE_I4 (&td, 2);
2353                         token = read32 (td.ip + 1);
2354                         klass = mono_class_get_full (image, token, generic_context);
2355                         switch (mint_type (&klass->byval_arg)) {
2356                                 case MINT_TYPE_I4:
2357                                         SIMPLE_OP (td, MINT_STELEM_I4);
2358                                         break;
2359                                 case MINT_TYPE_O:
2360                                         SIMPLE_OP (td, MINT_STELEM_REF);
2361                                         break;
2362                                 case MINT_TYPE_VT: {
2363                                         int size = mono_class_value_size (klass, NULL);
2364                                         SIMPLE_OP (td, MINT_STELEM_VT);
2365                                         ADD_CODE (&td, get_data_item_index (&td, klass));
2366                                         WRITE32 (&td, &size);
2367                                         POP_VT (&td, size);
2368                                         break;
2369                                 }
2370                                 default: {
2371                                         GString *res = g_string_new ("");
2372                                         mono_type_get_desc (res, &klass->byval_arg, TRUE);
2373                                         g_print ("STELEM: %s -> %d (%s)\n", klass->name, mint_type (&klass->byval_arg), res->str);
2374                                         g_string_free (res, TRUE);
2375                                         g_assert (0);
2376                                         break;
2377                                 }
2378                         }
2379                         td.ip += 4;
2380                         td.sp -= 3;
2381                         break;
2382 #if 0
2383                 case CEE_CONV_OVF_U1:
2384
2385                 case CEE_CONV_OVF_I8:
2386
2387 #if SIZEOF_VOID_P == 8
2388                 case CEE_CONV_OVF_U:
2389 #endif
2390                 case CEE_REFANYVAL: ves_abort(); break;
2391 #endif
2392                 case CEE_CKFINITE:
2393                         CHECK_STACK (&td, 1);
2394                         SIMPLE_OP (td, MINT_CKFINITE);
2395                         break;
2396                 case CEE_CONV_OVF_I1:
2397                 case CEE_CONV_OVF_I1_UN:
2398                         CHECK_STACK (&td, 1);
2399                         switch (td.sp [-1].type) {
2400                         case STACK_TYPE_R8:
2401                                 ADD_CODE(&td, MINT_CONV_OVF_I1_R8);
2402                                 break;
2403                         case STACK_TYPE_I4:
2404                                 ADD_CODE(&td, MINT_CONV_OVF_I1_I4);
2405                                 break;
2406                         case STACK_TYPE_I8:
2407                                 ADD_CODE(&td, MINT_CONV_OVF_I1_I8);
2408                                 break;
2409                         default:
2410                                 g_assert_not_reached ();
2411                         }
2412                         ++td.ip;
2413                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2414                         break;
2415                 case CEE_CONV_OVF_U1:
2416                 case CEE_CONV_OVF_U1_UN:
2417                         CHECK_STACK (&td, 1);
2418                         switch (td.sp [-1].type) {
2419                         case STACK_TYPE_R8:
2420                                 ADD_CODE(&td, MINT_CONV_OVF_U1_R8);
2421                                 break;
2422                         case STACK_TYPE_I4:
2423                                 ADD_CODE(&td, MINT_CONV_OVF_U1_I4);
2424                                 break;
2425                         case STACK_TYPE_I8:
2426                                 ADD_CODE(&td, MINT_CONV_OVF_U1_I8);
2427                                 break;
2428                         default:
2429                                 g_assert_not_reached ();
2430                         }
2431                         ++td.ip;
2432                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2433                         break;
2434                 case CEE_CONV_OVF_I2:
2435                 case CEE_CONV_OVF_I2_UN:
2436                         CHECK_STACK (&td, 1);
2437                         switch (td.sp [-1].type) {
2438                         case STACK_TYPE_R8:
2439                                 ADD_CODE(&td, MINT_CONV_OVF_I2_R8);
2440                                 break;
2441                         case STACK_TYPE_I4:
2442                                 ADD_CODE(&td, MINT_CONV_OVF_I2_I4);
2443                                 break;
2444                         case STACK_TYPE_I8:
2445                                 ADD_CODE(&td, MINT_CONV_OVF_I2_I8);
2446                                 break;
2447                         default:
2448                                 g_assert_not_reached ();
2449                         }
2450                         ++td.ip;
2451                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2452                         break;
2453                 case CEE_CONV_OVF_U2_UN:
2454                 case CEE_CONV_OVF_U2:
2455                         CHECK_STACK (&td, 1);
2456                         switch (td.sp [-1].type) {
2457                         case STACK_TYPE_R8:
2458                                 ADD_CODE(&td, MINT_CONV_OVF_U2_R8);
2459                                 break;
2460                         case STACK_TYPE_I4:
2461                                 ADD_CODE(&td, MINT_CONV_OVF_U2_I4);
2462                                 break;
2463                         case STACK_TYPE_I8:
2464                                 ADD_CODE(&td, MINT_CONV_OVF_U2_I8);
2465                                 break;
2466                         default:
2467                                 g_assert_not_reached ();
2468                         }
2469                         ++td.ip;
2470                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2471                         break;
2472 #if SIZEOF_VOID_P == 4
2473                 case CEE_CONV_OVF_I:
2474 #endif
2475                 case CEE_CONV_OVF_I4:
2476                 case CEE_CONV_OVF_I4_UN:
2477                         CHECK_STACK (&td, 1);
2478                         switch (td.sp [-1].type) {
2479                         case STACK_TYPE_R8:
2480                                 ADD_CODE(&td, MINT_CONV_OVF_I4_R8);
2481                                 break;
2482                         case STACK_TYPE_I4:
2483                                 if (*td.ip == CEE_CONV_OVF_I4_UN)
2484                                         ADD_CODE(&td, MINT_CONV_OVF_I4_U4);
2485                                 break;
2486                         case STACK_TYPE_I8:
2487                                 ADD_CODE(&td, MINT_CONV_OVF_I4_I8);
2488                                 break;
2489                         default:
2490                                 g_assert_not_reached ();
2491                         }
2492                         ++td.ip;
2493                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2494                         break;
2495 #if SIZEOF_VOID_P == 4
2496                 case CEE_CONV_OVF_U:
2497 #endif
2498                 case CEE_CONV_OVF_U4:
2499                 case CEE_CONV_OVF_U4_UN:
2500                         CHECK_STACK (&td, 1);
2501                         switch (td.sp [-1].type) {
2502                         case STACK_TYPE_R8:
2503                                 ADD_CODE(&td, MINT_CONV_OVF_U4_R8);
2504                                 break;
2505                         case STACK_TYPE_I4:
2506                                 if (*td.ip != CEE_CONV_OVF_U4_UN)
2507                                         ADD_CODE(&td, MINT_CONV_OVF_U4_I4);
2508                                 break;
2509                         case STACK_TYPE_I8:
2510                                 ADD_CODE(&td, MINT_CONV_OVF_U4_I8);
2511                                 break;
2512                         default:
2513                                 g_assert_not_reached ();
2514                         }
2515                         ++td.ip;
2516                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2517                         break;
2518 #if SIZEOF_VOID_P == 8
2519                 case CEE_CONV_OVF_I:
2520 #endif
2521                 case CEE_CONV_OVF_I8:
2522                         CHECK_STACK (&td, 1);
2523                         switch (td.sp [-1].type) {
2524                         case STACK_TYPE_R8:
2525                                 ADD_CODE(&td, MINT_CONV_OVF_I8_R8);
2526                                 break;
2527                         case STACK_TYPE_I4:
2528                                 ADD_CODE(&td, MINT_CONV_I8_I4);
2529                                 break;
2530                         case STACK_TYPE_I8:
2531                                 break;
2532                         default:
2533                                 g_assert_not_reached ();
2534                         }
2535                         ++td.ip;
2536                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I8);
2537                         break;
2538 #if SIZEOF_VOID_P == 8
2539                 case CEE_CONV_OVF_U:
2540 #endif
2541                 case CEE_CONV_OVF_U8:
2542                         CHECK_STACK (&td, 1);
2543                         switch (td.sp [-1].type) {
2544                         case STACK_TYPE_R8:
2545                                 ADD_CODE(&td, MINT_CONV_OVF_U8_R8);
2546                                 break;
2547                         case STACK_TYPE_I4:
2548                                 ADD_CODE(&td, MINT_CONV_OVF_U8_I4);
2549                                 break;
2550                         case STACK_TYPE_I8:
2551                                 break;
2552                         default:
2553                                 g_assert_not_reached ();
2554                         }
2555                         ++td.ip;
2556                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I8);
2557                         break;
2558                 case CEE_LDTOKEN: {
2559                         int size;
2560                         gpointer handle;
2561                         token = read32 (td.ip + 1);
2562                         handle = mono_ldtoken (image, token, &klass, generic_context);
2563                         mt = mint_type(&klass->byval_arg);
2564                         g_assert (mt == MINT_TYPE_VT);
2565                         size = mono_class_value_size (klass, NULL);
2566                         g_assert (size == sizeof(gpointer));
2567                         PUSH_VT(&td, sizeof(gpointer));
2568                         ADD_CODE(&td, MINT_LDTOKEN);
2569                         ADD_CODE(&td, get_data_item_index (&td, handle));
2570                         PUSH_SIMPLE_TYPE(&td, stack_type [mt]);
2571                         td.ip += 5;
2572                         break;
2573                 }
2574                 case CEE_ADD_OVF:
2575                         binary_arith_op(&td, MINT_ADD_OVF_I4);
2576                         ++td.ip;
2577                         break;
2578                 case CEE_ADD_OVF_UN:
2579                         binary_arith_op(&td, MINT_ADD_OVF_UN_I4);
2580                         ++td.ip;
2581                         break;
2582                 case CEE_MUL_OVF:
2583                         binary_arith_op(&td, MINT_MUL_OVF_I4);
2584                         ++td.ip;
2585                         break;
2586                 case CEE_MUL_OVF_UN:
2587                         binary_arith_op(&td, MINT_MUL_OVF_UN_I4);
2588                         ++td.ip;
2589                         break;
2590                 case CEE_SUB_OVF:
2591                         binary_arith_op(&td, MINT_SUB_OVF_I4);
2592                         ++td.ip;
2593                         break;
2594                 case CEE_SUB_OVF_UN:
2595                         binary_arith_op(&td, MINT_SUB_OVF_UN_I4);
2596                         ++td.ip;
2597                         break;
2598                 case CEE_ENDFINALLY:
2599                         SIMPLE_OP (td, MINT_ENDFINALLY);
2600                         generating_code = 0;
2601                         break;
2602                 case CEE_LEAVE:
2603                         td.sp = td.stack;
2604                         handle_branch (&td, MINT_LEAVE_S, MINT_LEAVE, 5 + read32 (td.ip + 1));
2605                         td.ip += 5;
2606                         generating_code = 0;
2607                         break;
2608                 case CEE_LEAVE_S:
2609                         td.sp = td.stack;
2610                         handle_branch (&td, MINT_LEAVE_S, MINT_LEAVE, 2 + (gint8)td.ip [1]);
2611                         td.ip += 2;
2612                         generating_code = 0;
2613                         break;
2614                 case CEE_UNUSED41:
2615                         ++td.ip;
2616                         switch (*td.ip) {
2617                                 case CEE_MONO_CALLI_EXTRA_ARG:
2618                                         /* Same as CEE_CALLI, except that we drop the extra arg required for llvm specific behaviour */
2619                                         ADD_CODE (&td, MINT_POP);
2620                                         ADD_CODE (&td, 1);
2621                                         --td.sp;
2622                                         interp_transform_call (&td, method, NULL, domain, generic_context, is_bb_start, body_start_offset, NULL);
2623                                         break;
2624                                 case CEE_MONO_JIT_ICALL_ADDR: {
2625                                         guint32 token;
2626                                         gpointer func;
2627                                         MonoJitICallInfo *info;
2628
2629                                         token = read32 (td.ip + 1);
2630                                         td.ip += 5;
2631                                         func = mono_method_get_wrapper_data (method, token);
2632                                         info = mono_find_jit_icall_by_addr (func);
2633
2634                                         ADD_CODE (&td, MINT_LDFTN);
2635                                         ADD_CODE (&td, get_data_item_index (&td, func));
2636                                         PUSH_SIMPLE_TYPE (&td, STACK_TYPE_I);
2637                                         break;
2638                                 }
2639                                 case CEE_MONO_ICALL: {
2640                                         guint32 token;
2641                                         gpointer func;
2642                                         MonoJitICallInfo *info;
2643
2644                                         token = read32 (td.ip + 1);
2645                                         td.ip += 5;
2646                                         func = mono_method_get_wrapper_data (method, token);
2647                                         info = mono_find_jit_icall_by_addr (func);
2648                                         g_assert (info);
2649
2650                                         CHECK_STACK (&td, info->sig->param_count);
2651                                         switch (info->sig->param_count) {
2652                                         case 0:
2653                                                 if (MONO_TYPE_IS_VOID (info->sig->ret))
2654                                                         ADD_CODE (&td,MINT_ICALL_V_V);
2655                                                 else
2656                                                         ADD_CODE (&td, MINT_ICALL_V_P);
2657                                                 break;
2658                                         case 1:
2659                                                 if (MONO_TYPE_IS_VOID (info->sig->ret))
2660                                                         ADD_CODE (&td,MINT_ICALL_P_V);
2661                                                 else
2662                                                         ADD_CODE (&td,MINT_ICALL_P_P);
2663                                                 break;
2664                                         case 2:
2665                                                 if (MONO_TYPE_IS_VOID (info->sig->ret)) {
2666                                                         if (info->sig->params [1]->type == MONO_TYPE_I4)
2667                                                                 ADD_CODE (&td,MINT_ICALL_PI_V);
2668                                                         else
2669                                                                 ADD_CODE (&td,MINT_ICALL_PP_V);
2670                                                 } else {
2671                                                         if (info->sig->params [1]->type == MONO_TYPE_I4)
2672                                                                 ADD_CODE (&td,MINT_ICALL_PI_P);
2673                                                         else
2674                                                                 ADD_CODE (&td,MINT_ICALL_PP_P);
2675                                                 }
2676                                                 break;
2677                                         case 3:
2678                                                 g_assert (MONO_TYPE_IS_VOID (info->sig->ret));
2679                                                 if (info->sig->params [2]->type == MONO_TYPE_I4)
2680                                                         ADD_CODE (&td,MINT_ICALL_PPI_V);
2681                                                 else
2682                                                         ADD_CODE (&td,MINT_ICALL_PPP_V);
2683                                                 break;
2684                                         default:
2685                                                 g_assert_not_reached ();
2686                                         }
2687
2688                                         if (func == mono_ftnptr_to_delegate) {
2689                                                 g_error ("TODO: ?");
2690                                         }
2691                                         ADD_CODE(&td, get_data_item_index (&td, func));
2692                                         td.sp -= info->sig->param_count;
2693
2694                                         if (!MONO_TYPE_IS_VOID (info->sig->ret)) {
2695                                                 td.sp ++;
2696                                                 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I);
2697                                         }
2698                                         break;
2699                                 }
2700                         case CEE_MONO_VTADDR: {
2701                                 int size;
2702                                 CHECK_STACK (&td, 1);
2703                                 if (method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE)
2704                                         size = mono_class_native_size(td.sp [-1].klass, NULL);
2705                                 else
2706                                         size = mono_class_value_size(td.sp [-1].klass, NULL);
2707                                 size = (size + 7) & ~7;
2708                                 ADD_CODE(&td, MINT_VTRESULT);
2709                                 ADD_CODE(&td, 0);
2710                                 WRITE32(&td, &size);
2711                                 td.vt_sp -= size;
2712                                 ++td.ip;
2713                                 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_MP);
2714                                 break;
2715                         }
2716                         case CEE_MONO_LDPTR:
2717                         case CEE_MONO_CLASSCONST:
2718                                 token = read32 (td.ip + 1);
2719                                 td.ip += 5;
2720                                 ADD_CODE(&td, MINT_MONO_LDPTR);
2721                                 ADD_CODE(&td, get_data_item_index (&td, mono_method_get_wrapper_data (method, token)));
2722                                 td.sp [0].type = STACK_TYPE_I;
2723                                 ++td.sp;
2724                                 break;
2725                         case CEE_MONO_OBJADDR:
2726                                 CHECK_STACK (&td, 1);
2727                                 ++td.ip;
2728                                 td.sp[-1].type = STACK_TYPE_MP;
2729                                 /* do nothing? */
2730                                 break;
2731                         case CEE_MONO_NEWOBJ:
2732                                 token = read32 (td.ip + 1);
2733                                 td.ip += 5;
2734                                 ADD_CODE(&td, MINT_MONO_NEWOBJ);
2735                                 ADD_CODE(&td, get_data_item_index (&td, mono_method_get_wrapper_data (method, token)));
2736                                 td.sp [0].type = STACK_TYPE_O;
2737                                 ++td.sp;
2738                                 break;
2739                         case CEE_MONO_RETOBJ:
2740                                 CHECK_STACK (&td, 1);
2741                                 token = read32 (td.ip + 1);
2742                                 td.ip += 5;
2743                                 ADD_CODE(&td, MINT_MONO_RETOBJ);
2744                                 td.sp--;
2745
2746                                 klass = (MonoClass *)mono_method_get_wrapper_data (method, token);
2747
2748                                 /*stackval_from_data (signature->ret, frame->retval, sp->data.vt, signature->pinvoke);*/
2749
2750                                 if (td.sp > td.stack)
2751                                         g_warning ("CEE_MONO_RETOBJ: more values on stack: %d", td.sp-td.stack);
2752                                 break;
2753                         case CEE_MONO_LDNATIVEOBJ:
2754                                 token = read32 (td.ip + 1);
2755                                 td.ip += 5;
2756                                 klass = (MonoClass *)mono_method_get_wrapper_data (method, token);
2757                                 g_assert(klass->valuetype);
2758                                 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_MP);
2759                                 break;
2760                         case CEE_MONO_SAVE_LMF:
2761                         case CEE_MONO_RESTORE_LMF:
2762                         case CEE_MONO_NOT_TAKEN:
2763                                 ++td.ip;
2764                                 break;
2765                         case CEE_MONO_LDPTR_INT_REQ_FLAG:
2766                                 ADD_CODE (&td, MINT_MONO_LDPTR);
2767                                 ADD_CODE (&td, get_data_item_index (&td, mono_thread_interruption_request_flag ()));
2768                                 PUSH_TYPE (&td, STACK_TYPE_MP, NULL);
2769                                 ++td.ip;
2770                                 break;
2771                         default:
2772                                 g_error ("transform.c: Unimplemented opcode: 0xF0 %02x at 0x%x\n", *td.ip, td.ip-header->code);
2773                         }
2774                         break;
2775 #if 0
2776                 case CEE_PREFIX7:
2777                 case CEE_PREFIX6:
2778                 case CEE_PREFIX5:
2779                 case CEE_PREFIX4:
2780                 case CEE_PREFIX3:
2781                 case CEE_PREFIX2:
2782                 case CEE_PREFIXREF: ves_abort(); break;
2783 #endif
2784                 /*
2785                  * Note: Exceptions thrown when executing a prefixed opcode need
2786                  * to take into account the number of prefix bytes (usually the
2787                  * throw point is just (ip - n_prefix_bytes).
2788                  */
2789                 case CEE_PREFIX1:
2790                         ++td.ip;
2791                         switch (*td.ip) {
2792 #if 0
2793                         case CEE_ARGLIST: ves_abort(); break;
2794 #endif
2795                         case CEE_CEQ:
2796                                 CHECK_STACK(&td, 2);
2797                                 if (td.sp [-1].type == STACK_TYPE_O || td.sp [-1].type == STACK_TYPE_MP)
2798                                         ADD_CODE(&td, MINT_CEQ_I4 + STACK_TYPE_I - STACK_TYPE_I4);
2799                                 else
2800                                         ADD_CODE(&td, MINT_CEQ_I4 + td.sp [-1].type - STACK_TYPE_I4);
2801                                 --td.sp;
2802                                 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2803                                 ++td.ip;
2804                                 break;
2805                         case CEE_CGT:
2806                                 CHECK_STACK(&td, 2);
2807                                 if (td.sp [-1].type == STACK_TYPE_O || td.sp [-1].type == STACK_TYPE_MP)
2808                                         ADD_CODE(&td, MINT_CGT_I4 + STACK_TYPE_I - STACK_TYPE_I4);
2809                                 else
2810                                         ADD_CODE(&td, MINT_CGT_I4 + td.sp [-1].type - STACK_TYPE_I4);
2811                                 --td.sp;
2812                                 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2813                                 ++td.ip;
2814                                 break;
2815                         case CEE_CGT_UN:
2816                                 CHECK_STACK(&td, 2);
2817                                 if (td.sp [-1].type == STACK_TYPE_O || td.sp [-1].type == STACK_TYPE_MP)
2818                                         ADD_CODE(&td, MINT_CGT_UN_I4 + STACK_TYPE_I - STACK_TYPE_I4);
2819                                 else
2820                                         ADD_CODE(&td, MINT_CGT_UN_I4 + td.sp [-1].type - STACK_TYPE_I4);
2821                                 --td.sp;
2822                                 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2823                                 ++td.ip;
2824                                 break;
2825                         case CEE_CLT:
2826                                 CHECK_STACK(&td, 2);
2827                                 if (td.sp [-1].type == STACK_TYPE_O || td.sp [-1].type == STACK_TYPE_MP)
2828                                         ADD_CODE(&td, MINT_CLT_I4 + STACK_TYPE_I - STACK_TYPE_I4);
2829                                 else
2830                                         ADD_CODE(&td, MINT_CLT_I4 + td.sp [-1].type - STACK_TYPE_I4);
2831                                 --td.sp;
2832                                 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2833                                 ++td.ip;
2834                                 break;
2835                         case CEE_CLT_UN:
2836                                 CHECK_STACK(&td, 2);
2837                                 if (td.sp [-1].type == STACK_TYPE_O || td.sp [-1].type == STACK_TYPE_MP)
2838                                         ADD_CODE(&td, MINT_CLT_UN_I4 + STACK_TYPE_I - STACK_TYPE_I4);
2839                                 else
2840                                         ADD_CODE(&td, MINT_CLT_UN_I4 + td.sp [-1].type - STACK_TYPE_I4);
2841                                 --td.sp;
2842                                 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2843                                 ++td.ip;
2844                                 break;
2845                         case CEE_LDVIRTFTN: /* fallthrough */
2846                         case CEE_LDFTN: {
2847                                 MonoMethod *m;
2848                                 if (*td.ip == CEE_LDVIRTFTN) {
2849                                         CHECK_STACK (&td, 1);
2850                                         --td.sp;
2851                                 }
2852                                 token = read32 (td.ip + 1);
2853                                 if (method->wrapper_type != MONO_WRAPPER_NONE)
2854                                         m = (MonoMethod *)mono_method_get_wrapper_data (method, token);
2855                                 else
2856                                         m = mono_get_method_full (image, token, NULL, generic_context);
2857
2858                                 if (method->wrapper_type == MONO_WRAPPER_NONE && m->iflags & METHOD_IMPL_ATTRIBUTE_SYNCHRONIZED)
2859                                         m = mono_marshal_get_synchronized_wrapper (m);
2860
2861                                 ADD_CODE(&td, *td.ip == CEE_LDFTN ? MINT_LDFTN : MINT_LDVIRTFTN);
2862                                 ADD_CODE(&td, get_data_item_index (&td, mono_interp_get_runtime_method (domain, m, &error)));
2863                                 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
2864                                 td.ip += 5;
2865                                 PUSH_SIMPLE_TYPE (&td, STACK_TYPE_F);
2866                                 break;
2867                         }
2868                         case CEE_LDARG:
2869                                 load_arg (&td, read16 (td.ip + 1));
2870                                 td.ip += 3;
2871                                 break;
2872                         case CEE_LDARGA: {
2873                                 int n = read16 (td.ip + 1);
2874                                 if (n == 0 && signature->hasthis) {
2875                                         g_error ("LDTHISA: NOPE");
2876                                         ADD_CODE(&td, MINT_LDTHISA);
2877                                 }
2878                                 else {
2879                                         ADD_CODE(&td, MINT_LDARGA);
2880                                         ADD_CODE(&td, td.rtm->arg_offsets [n]); /* FIX for large offsets */
2881                                 }
2882                                 PUSH_SIMPLE_TYPE(&td, STACK_TYPE_MP);
2883                                 td.ip += 3;
2884                                 break;
2885                         }
2886                         case CEE_STARG:
2887                                 store_arg (&td, read16 (td.ip + 1));
2888                                 td.ip += 3;
2889                                 break;
2890                         case CEE_LDLOC:
2891                                 load_local (&td, read16 (td.ip + 1));
2892                                 td.ip += 3;
2893                                 break;
2894                         case CEE_LDLOCA:
2895                                 ADD_CODE(&td, MINT_LDLOCA_S);
2896                                 ADD_CODE(&td, td.rtm->local_offsets [read16 (td.ip + 1)]);
2897                                 PUSH_SIMPLE_TYPE(&td, STACK_TYPE_MP);
2898                                 td.ip += 3;
2899                                 break;
2900                         case CEE_STLOC:
2901                                 store_local (&td, read16 (td.ip + 1));
2902                                 td.ip += 3;
2903                                 break;
2904                         case CEE_LOCALLOC:
2905                                 CHECK_STACK (&td, 1);
2906 #if SIZEOF_VOID_P == 8
2907                                 if (td.sp [-1].type == STACK_TYPE_I8)
2908                                         ADD_CODE(&td, MINT_CONV_I4_I8);
2909 #endif
2910                                 ADD_CODE(&td, MINT_LOCALLOC);
2911                                 if (td.sp != td.stack + 1)
2912                                         g_warning("CEE_LOCALLOC: stack not empty");
2913                                 ++td.ip;
2914                                 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_MP);
2915                                 break;
2916 #if 0
2917                         case CEE_UNUSED57: ves_abort(); break;
2918                         case CEE_ENDFILTER: ves_abort(); break;
2919 #endif
2920                         case CEE_UNALIGNED_:
2921                                 ++td.ip;
2922                                 /* FIX: should do something? */;
2923                                 break;
2924                         case CEE_VOLATILE_:
2925                                 ++td.ip;
2926                                 /* FIX: should do something? */;
2927                                 break;
2928                         case CEE_TAIL_:
2929                                 ++td.ip;
2930                                 /* FIX: should do something? */;
2931                                 break;
2932                         case CEE_INITOBJ:
2933                                 CHECK_STACK(&td, 1);
2934                                 token = read32 (td.ip + 1);
2935                                 klass = mono_class_get_full (image, token, generic_context);
2936                                 ADD_CODE(&td, MINT_INITOBJ);
2937                                 i32 = mono_class_value_size (klass, NULL);
2938                                 WRITE32(&td, &i32);
2939                                 td.ip += 5;
2940                                 --td.sp;
2941                                 break;
2942                         case CEE_CPBLK:
2943                                 CHECK_STACK(&td, 3);
2944                                 /* FIX? convert length to I8? */
2945                                 ADD_CODE(&td, MINT_CPBLK);
2946                                 td.sp -= 3;
2947                                 ++td.ip;
2948                                 break;
2949                         case CEE_CONSTRAINED_:
2950                                 token = read32 (td.ip + 1);
2951                                 constrained_class = mono_class_get_full (image, token, generic_context);
2952                                 mono_class_init (constrained_class);
2953                                 td.ip += 5;
2954                                 break;
2955                         case CEE_INITBLK:
2956                                 CHECK_STACK(&td, 3);
2957                                 ADD_CODE(&td, MINT_INITBLK);
2958                                 td.sp -= 3;
2959                                 break;
2960 #if 0
2961                         case CEE_NO_:
2962                                 /* FIXME: implement */
2963                                 ip += 2;
2964                                 break;
2965 #endif
2966                         case CEE_RETHROW:
2967                                 SIMPLE_OP (td, MINT_RETHROW);
2968                                 generating_code = 0;
2969                                 break;
2970                         case CEE_SIZEOF: {
2971                                 gint32 size;
2972                                 token = read32 (td.ip + 1);
2973                                 td.ip += 5;
2974                                 if (mono_metadata_token_table (token) == MONO_TABLE_TYPESPEC) {
2975                                         int align;
2976                                         MonoType *type = mono_type_create_from_typespec (image, token);
2977                                         size = mono_type_size (type, &align);
2978                                 } else {
2979                                         guint32 align;
2980                                         MonoClass *szclass = mono_class_get_full (image, token, generic_context);
2981                                         mono_class_init (szclass);
2982 #if 0
2983                                         if (!szclass->valuetype)
2984                                                 THROW_EX (mono_exception_from_name (mono_defaults.corlib, "System", "InvalidProgramException"), ip - 5);
2985 #endif
2986                                         size = mono_class_value_size (szclass, &align);
2987                                 }
2988                                 ADD_CODE(&td, MINT_LDC_I4);
2989                                 WRITE32(&td, &size);
2990                                 PUSH_SIMPLE_TYPE(&td, STACK_TYPE_I4);
2991                                 break;
2992                         }
2993 #if 0
2994                         case CEE_REFANYTYPE: ves_abort(); break;
2995 #endif
2996                         default:
2997                                 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);
2998                         }
2999                         break;
3000                 default:
3001                         g_error ("transform.c: Unimplemented opcode: %02x at 0x%x\n", *td.ip, td.ip-header->code);
3002                 }
3003
3004                 if (td.new_ip - td.new_code != new_in_start_offset)
3005                         td.last_new_ip = td.new_code + new_in_start_offset;
3006                 else if (td.is_bb_start [td.in_start - td.il_code])
3007                         td.is_bb_start [td.ip - td.il_code] = 1;
3008
3009                 td.last_ip = td.in_start;
3010         }
3011
3012         if (mono_interp_traceopt) {
3013                 const guint16 *p = td.new_code;
3014                 printf("Runtime method: %p, VT stack size: %d\n", rtm, td.max_vt_sp);
3015                 printf("Calculated stack size: %d, stated size: %d\n", td.max_stack_height, header->max_stack);
3016                 while (p < td.new_ip) {
3017                         p = mono_interp_dis_mintop(td.new_code, p);
3018                         printf("\n");
3019                 }
3020         }
3021
3022         rtm->clauses = mono_mempool_alloc (domain->mp, header->num_clauses * sizeof(MonoExceptionClause));
3023         memcpy (rtm->clauses, header->clauses, header->num_clauses * sizeof(MonoExceptionClause));
3024         rtm->code = mono_mempool_alloc (domain->mp, (td.new_ip - td.new_code) * sizeof(gushort));
3025         memcpy (rtm->code, td.new_code, (td.new_ip - td.new_code) * sizeof(gushort));
3026         g_free (td.new_code);
3027         rtm->new_body_start = rtm->code + body_start_offset;
3028         rtm->num_clauses = header->num_clauses;
3029         for (i = 0; i < header->num_clauses; i++) {
3030                 MonoExceptionClause *c = rtm->clauses + i;
3031                 int end_off = c->try_offset + c->try_len;
3032                 c->try_offset = td.in_offsets [c->try_offset];
3033                 c->try_len = td.in_offsets [end_off] - c->try_offset;
3034                 end_off = c->handler_offset + c->handler_len;
3035                 c->handler_offset = td.in_offsets [c->handler_offset];
3036                 c->handler_len = td.in_offsets [end_off] - c->handler_offset;
3037         }
3038         rtm->vt_stack_size = td.max_vt_sp;
3039         rtm->alloca_size = rtm->locals_size + rtm->args_size + rtm->vt_stack_size + rtm->stack_size;
3040         rtm->data_items = mono_mempool_alloc (domain->mp, td.n_data_items * sizeof (td.data_items [0]));
3041         memcpy (rtm->data_items, td.data_items, td.n_data_items * sizeof (td.data_items [0]));
3042         g_free (td.in_offsets);
3043         g_free (td.forward_refs);
3044         for (i = 0; i < header->code_size; ++i)
3045                 g_free (td.stack_state [i]);
3046         g_free (td.stack_state);
3047         g_free (td.stack_height);
3048         g_free (td.vt_stack_size);
3049         g_free (td.data_items);
3050         g_hash_table_destroy (td.data_hash);
3051 }
3052
3053 static mono_mutex_t calc_section;
3054
3055 void
3056 mono_interp_transform_init (void)
3057 {
3058         mono_os_mutex_init_recursive(&calc_section);
3059 }
3060
3061 MonoException *
3062 mono_interp_transform_method (RuntimeMethod *runtime_method, ThreadContext *context)
3063 {
3064         int i, align, size, offset;
3065         MonoMethod *method = runtime_method->method;
3066         MonoImage *image = method->klass->image;
3067         MonoMethodHeader *header = mono_method_get_header (method);
3068         MonoMethodSignature *signature = mono_method_signature (method);
3069         register const unsigned char *ip, *end;
3070         const MonoOpcode *opcode;
3071         MonoMethod *m;
3072         MonoClass *class;
3073         MonoDomain *domain = mono_domain_get ();
3074         unsigned char *is_bb_start;
3075         int in;
3076         MonoVTable *method_class_vt;
3077         int backwards;
3078         MonoGenericContext *generic_context = NULL;
3079
3080         // g_printerr ("TRANSFORM(0x%016lx): begin %s::%s\n", mono_thread_current (), method->klass->name, method->name);
3081         method_class_vt = mono_class_vtable (domain, runtime_method->method->klass);
3082         if (!method_class_vt->initialized) {
3083                 jmp_buf env;
3084                 MonoInvocation *last_env_frame = context->env_frame;
3085                 jmp_buf *old_env = context->current_env;
3086
3087                 if (setjmp(env)) {
3088                         MonoException *failed = context->env_frame->ex;
3089                         context->env_frame->ex = NULL;
3090                         context->env_frame = last_env_frame;
3091                         context->current_env = old_env;
3092                         return failed;
3093                 }
3094                 context->env_frame = context->current_frame;
3095                 context->current_env = &env;
3096                 mono_runtime_class_init (method_class_vt);
3097                 context->env_frame = last_env_frame;
3098                 context->current_env = old_env;
3099         }
3100
3101         mono_profiler_method_jit (method); /* sort of... */
3102
3103         if (mono_method_signature (method)->is_inflated)
3104                 generic_context = mono_method_get_context (method);
3105         else {
3106                 MonoGenericContainer *generic_container = mono_method_get_generic_container (method);
3107                 if (generic_container)
3108                         generic_context = &generic_container->context;
3109         }
3110
3111         if (method->iflags & (METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL | METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
3112                 MonoMethod *nm = NULL;
3113                 mono_os_mutex_lock(&calc_section);
3114                 if (runtime_method->transformed) {
3115                         mono_os_mutex_unlock(&calc_section);
3116                         g_error ("FIXME: no jit info?");
3117                         mono_profiler_method_end_jit (method, NULL, MONO_PROFILE_OK);
3118                         return NULL;
3119                 }
3120
3121                 /* assumes all internal calls with an array this are built in... */
3122                 if (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL && (! mono_method_signature (method)->hasthis || method->klass->rank == 0)) {
3123                         nm = mono_marshal_get_native_wrapper (method, TRUE, FALSE);
3124                         signature = mono_method_signature (nm);
3125                 } else {
3126                         const char *name = method->name;
3127                         if (method->klass->parent == mono_defaults.multicastdelegate_class) {
3128                                 if (*name == '.' && (strcmp (name, ".ctor") == 0)) {
3129                                         MonoJitICallInfo *mi = mono_find_jit_icall_by_name ("ves_icall_mono_delegate_ctor");
3130                                         g_assert (mi);
3131                                         char *wrapper_name = g_strdup_printf ("__icall_wrapper_%s", mi->name);
3132                                         nm = mono_marshal_get_icall_wrapper (mi->sig, wrapper_name, mi->func, TRUE);
3133                                 } else if (*name == 'I' && (strcmp (name, "Invoke") == 0)) {
3134                                         nm = mono_marshal_get_delegate_invoke (method, NULL);
3135                                 } else if (*name == 'B' && (strcmp (name, "BeginInvoke") == 0)) {
3136                                         nm = mono_marshal_get_delegate_begin_invoke (method);
3137                                 } else if (*name == 'E' && (strcmp (name, "EndInvoke") == 0)) {
3138                                         nm = mono_marshal_get_delegate_end_invoke (method);
3139                                 }
3140                         }
3141                         if (nm == NULL) {
3142                                 runtime_method->code = g_malloc(sizeof(short));
3143                                 runtime_method->code[0] = MINT_CALLRUN;
3144                         }
3145                 }
3146                 if (nm == NULL) {
3147                         runtime_method->stack_size = sizeof (stackval); /* for tracing */
3148                         runtime_method->alloca_size = runtime_method->stack_size;
3149                         runtime_method->transformed = TRUE;
3150                         mono_os_mutex_unlock(&calc_section);
3151                         mono_profiler_method_end_jit (method, NULL, MONO_PROFILE_OK);
3152                         return NULL;
3153                 }
3154                 method = nm;
3155                 header = mono_method_get_header (nm);
3156                 mono_os_mutex_unlock(&calc_section);
3157         }
3158         g_assert ((signature->param_count + signature->hasthis) < 1000);
3159         g_assert (header->max_stack < 10000);
3160         /* intern the strings in the method. */
3161         ip = header->code;
3162         end = ip + header->code_size;
3163
3164         is_bb_start = g_malloc0(header->code_size);
3165         is_bb_start [0] = 1;
3166         while (ip < end) {
3167                 in = *ip;
3168                 if (in == 0xfe) {
3169                         ip++;
3170                         in = *ip + 256;
3171                 }
3172                 else if (in == 0xf0) {
3173                         ip++;
3174                         in = *ip + MONO_CEE_MONO_ICALL;
3175                 }
3176                 opcode = &mono_opcodes [in];
3177                 switch (opcode->argument) {
3178                 case MonoInlineNone:
3179                         ++ip;
3180                         break;
3181                 case MonoInlineString:
3182                         if (method->wrapper_type == MONO_WRAPPER_NONE)
3183                                 mono_ldstr (domain, image, mono_metadata_token_index (read32 (ip + 1)));
3184                         ip += 5;
3185                         break;
3186                 case MonoInlineType:
3187                         if (method->wrapper_type == MONO_WRAPPER_NONE) {
3188                                 class = mono_class_get_full (image, read32 (ip + 1), generic_context);
3189                                 mono_class_init (class);
3190                                 /* quick fix to not do this for the fake ptr classes - probably should not be getting the vtable at all here */
3191 #if 0
3192                                 g_error ("FIXME: interface method lookup: %s (in method %s)", class->name, method->name);
3193                                 if (!(class->flags & TYPE_ATTRIBUTE_INTERFACE) && class->interface_offsets != NULL)
3194                                         mono_class_vtable (domain, class);
3195 #endif
3196                         }
3197                         ip += 5;
3198                         break;
3199                 case MonoInlineMethod:
3200                         if (method->wrapper_type == MONO_WRAPPER_NONE && *ip != CEE_CALLI) {
3201                                 m = mono_get_method_full (image, read32 (ip + 1), NULL, generic_context);
3202                                 if (m == NULL) {
3203                                         g_free (is_bb_start);
3204                                         g_error ("FIXME: where to get method and class string?");
3205                                         return NULL;
3206                                         // return mono_get_exception_missing_method ();
3207                                 }
3208                                 mono_class_init (m->klass);
3209                                 if (!mono_class_is_interface (m->klass))
3210                                         mono_class_vtable (domain, m->klass);
3211                         }
3212                         ip += 5;
3213                         break;
3214                 case MonoInlineField:
3215                 case MonoInlineSig:
3216                 case MonoInlineI:
3217                 case MonoInlineTok:
3218                 case MonoShortInlineR:
3219                         ip += 5;
3220                         break;
3221                 case MonoInlineBrTarget:
3222                         offset = read32 (ip + 1);
3223                         ip += 5;
3224                         backwards = offset < 0;
3225                         offset += ip - header->code;
3226                         g_assert (offset >= 0 && offset < header->code_size);
3227                         is_bb_start [offset] |= backwards ? 2 : 1;
3228                         break;
3229                 case MonoShortInlineBrTarget:
3230                         offset = ((gint8 *)ip) [1];
3231                         ip += 2;
3232                         backwards = offset < 0;
3233                         offset += ip - header->code;
3234                         g_assert (offset >= 0 && offset < header->code_size);
3235                         is_bb_start [offset] |= backwards ? 2 : 1;
3236                         break;
3237                 case MonoInlineVar:
3238                         ip += 3;
3239                         break;
3240                 case MonoShortInlineVar:
3241                 case MonoShortInlineI:
3242                         ip += 2;
3243                         break;
3244                 case MonoInlineSwitch: {
3245                         guint32 n;
3246                         const unsigned char *next_ip;
3247                         ++ip;
3248                         n = read32 (ip);
3249                         ip += 4;
3250                         next_ip = ip + 4 * n;
3251                         for (i = 0; i < n; i++) {
3252                                 offset = read32 (ip);
3253                                 backwards = offset < 0;
3254                                 offset += next_ip - header->code;
3255                                 g_assert (offset >= 0 && offset < header->code_size);
3256                                 is_bb_start [offset] |= backwards ? 2 : 1;
3257                                 ip += 4;
3258                         }
3259                         break;
3260                 }
3261                 case MonoInlineR:
3262                 case MonoInlineI8:
3263                         ip += 9;
3264                         break;
3265                 default:
3266                         g_assert_not_reached ();
3267                 }
3268         }
3269         // g_printerr ("TRANSFORM(0x%016lx): end %s::%s\n", mono_thread_current (), method->klass->name, method->name);
3270
3271         /* the rest needs to be locked so it is only done once */
3272         mono_os_mutex_lock(&calc_section);
3273         if (runtime_method->transformed) {
3274                 mono_os_mutex_unlock(&calc_section);
3275                 g_free (is_bb_start);
3276                 mono_profiler_method_end_jit (method, NULL, MONO_PROFILE_OK);
3277                 return NULL;
3278         }
3279
3280         runtime_method->local_offsets = g_malloc (header->num_locals * sizeof(guint32));
3281         runtime_method->stack_size = (sizeof (stackval) + 2) * header->max_stack; /* + 1 for returns of called functions  + 1 for 0-ing in trace*/
3282         runtime_method->stack_size = (runtime_method->stack_size + 7) & ~7;
3283         offset = 0;
3284         for (i = 0; i < header->num_locals; ++i) {
3285                 size = mono_type_size (header->locals [i], &align);
3286                 offset += align - 1;
3287                 offset &= ~(align - 1);
3288                 runtime_method->local_offsets [i] = offset;
3289                 offset += size;
3290         }
3291         offset = (offset + 7) & ~7;
3292         runtime_method->locals_size = offset;
3293         g_assert (runtime_method->locals_size < 65536);
3294         offset = 0;
3295         runtime_method->arg_offsets = g_malloc ((!!signature->hasthis + signature->param_count) * sizeof(guint32));
3296
3297         if (signature->hasthis) {
3298                 g_assert (!signature->pinvoke);
3299                 size = mono_type_stack_size (&method->klass->byval_arg, &align);
3300                 offset += align - 1;
3301                 offset &= ~(align - 1);
3302                 runtime_method->arg_offsets [0] = offset;
3303                 offset += size;
3304         }
3305
3306         for (i = 0; i < signature->param_count; ++i) {
3307                 if (signature->pinvoke) {
3308                         guint32 dummy;
3309                         size = mono_type_native_stack_size (signature->params [i], &dummy);
3310                         align = 8;
3311                 }
3312                 else
3313                         size = mono_type_stack_size (signature->params [i], &align);
3314                 offset += align - 1;
3315                 offset &= ~(align - 1);
3316                 runtime_method->arg_offsets [i + !!signature->hasthis] = offset;
3317                 offset += size;
3318         }
3319         offset = (offset + 7) & ~7;
3320         runtime_method->args_size = offset;
3321         g_assert (runtime_method->args_size < 10000);
3322
3323         generate (method, runtime_method, is_bb_start, generic_context);
3324
3325         g_free (is_bb_start);
3326
3327         mono_profiler_method_end_jit (method, NULL, MONO_PROFILE_OK);
3328         runtime_method->transformed = TRUE;
3329         mono_os_mutex_unlock(&calc_section);
3330
3331         return NULL;
3332 }
3333