mono/mini/interp/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                         } else if (target_method && generic_context) {
 690                                 csignature = mono_inflate_generic_signature (csignature, generic_context, &error);
 691                                 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
 692                                 target_method = mono_class_inflate_generic_method_checked (target_method, generic_context, &error);
 693                                 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
 694                         }
 695                 }
 696         } else {
 697                 csignature = mono_method_signature (target_method);
 698         }
 699
 700         if (constrained_class) {
 701                 if (constrained_class->enumtype && !strcmp (target_method->name, "GetHashCode")) {
 702                         /* Use the corresponding method from the base type to avoid boxing */
 703                         MonoType *base_type = mono_class_enum_basetype (constrained_class);
 704                         g_assert (base_type);
 705                         constrained_class = mono_class_from_mono_type (base_type);
 706                         target_method = mono_class_get_method_from_name (constrained_class, target_method->name, 0);
 707                         g_assert (target_method);
 708                 }
 709         }
 710
 711         if (constrained_class) {
 712                 mono_class_setup_vtable (constrained_class);
 713 #if DEBUG_INTERP
 714                 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);
 715 #endif
 716                 target_method = mono_get_method_constrained_with_method (image, target_method, constrained_class, generic_context, &error);
 717 #if DEBUG_INTERP
 718                 g_print ("                    : %s::%s.  %s (%p)\n", target_method->klass->name, target_method->name, mono_signature_full_name (target_method->signature), target_method);
 719 #endif
 720                 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
 721                 mono_class_setup_vtable (target_method->klass);
 722
 723                 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)) {
 724                         if (target_method->klass == mono_defaults.enum_class && (td->sp - csignature->param_count - 1)->type == STACK_TYPE_MP) {
 725                                 /* managed pointer on the stack, we need to deref that puppy */
 726                                 ADD_CODE (td, MINT_LDIND_I);
 727                                 ADD_CODE (td, csignature->param_count);
 728                         }
 729                         ADD_CODE (td, MINT_BOX);
 730                         ADD_CODE (td, get_data_item_index (td, constrained_class));
 731                         ADD_CODE (td, csignature->param_count);
 732                 } else if (!constrained_class->valuetype) {
 733                         /* managed pointer on the stack, we need to deref that puppy */
 734                         ADD_CODE (td, MINT_LDIND_I);
 735                         ADD_CODE (td, csignature->param_count);
 736                 } else {
 737                         g_assert (target_method->klass->valuetype);
 738                         virtual = FALSE;
 739                 }
 740         }
 741
 742         if (target_method)
 743                 mono_class_init (target_method->klass);
 744
 745         CHECK_STACK (td, csignature->param_count + csignature->hasthis);
 746         if (!calli && (!virtual || (target_method->flags & METHOD_ATTRIBUTE_VIRTUAL) == 0) &&
 747                 (target_method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) == 0 &&
 748                 (target_method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) == 0) {
 749                 int called_inited = mono_class_vtable (domain, target_method->klass)->initialized;
 750                 MonoMethodHeader *mheader = mono_method_get_header (target_method);
 751
 752                 if (/*mono_metadata_signature_equal (method->signature, target_method->signature) */ method == target_method && *(td->ip + 5) == CEE_RET) {
 753                         int offset;
 754                         if (mono_interp_traceopt)
 755                                 g_print ("Optimize tail call of %s.%s\n", target_method->klass->name, target_method->name);
 756                         for (i = csignature->param_count - 1; i >= 0; --i)
 757                                 store_arg (td, i + csignature->hasthis);
 758
 759                         if (csignature->hasthis) {
 760                                 g_error ("STTHIS removal");
 761                                 // ADD_CODE(td, MINT_STTHIS);
 762                                 --td->sp;
 763                         }
 764                         ADD_CODE(td, MINT_BR_S);
 765                         offset = body_start_offset - ((td->new_ip - 1) - td->new_code);
 766                         ADD_CODE(td, offset);
 767                         if (!is_bb_start [td->ip + 5 - td->il_code])
 768                                 ++td->ip; /* gobble the CEE_RET if it isn't branched to */
 769                         td->ip += 5;
 770                         return;
 771                 } else {
 772                         /* mheader might not exist if this is a delegate invoc, etc */
 773                         if (mheader && *mheader->code == CEE_RET && called_inited) {
 774                                 if (mono_interp_traceopt)
 775                                         g_print ("Inline (empty) call of %s.%s\n", target_method->klass->name, target_method->name);
 776                                 for (i = 0; i < csignature->param_count; i++)
 777                                         ADD_CODE (td, MINT_POP); /*FIX: vt */
 778                                         ADD_CODE (td, 0);
 779                                 if (csignature->hasthis) {
 780                                         if (virtual)
 781                                                 ADD_CODE(td, MINT_CKNULL);
 782                                         ADD_CODE (td, MINT_POP);
 783                                         ADD_CODE (td, 0);
 784                                 }
 785                                 td->sp -= csignature->param_count + csignature->hasthis;
 786                                 td->ip += 5;
 787                                 return;
 788                         }
 789                 }
 790         }
 791         if (method->wrapper_type == MONO_WRAPPER_NONE && target_method != NULL) {
 792                 if (target_method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL)
 793                         target_method = mono_marshal_get_native_wrapper (target_method, FALSE, FALSE);
 794                 if (!virtual && target_method->iflags & METHOD_IMPL_ATTRIBUTE_SYNCHRONIZED)
 795                         target_method = mono_marshal_get_synchronized_wrapper (target_method);
 796         }
 797         g_assert (csignature->call_convention == MONO_CALL_DEFAULT || csignature->call_convention == MONO_CALL_C);
 798         td->sp -= csignature->param_count + !!csignature->hasthis;
 799         for (i = 0; i < csignature->param_count; ++i) {
 800                 if (td->sp [i + !!csignature->hasthis].type == STACK_TYPE_VT) {
 801                         gint32 size;
 802                         MonoClass *klass = mono_class_from_mono_type (csignature->params [i]);
 803                         if (csignature->pinvoke && method->wrapper_type != MONO_WRAPPER_NONE)
 804                                 size = mono_class_native_size (klass, NULL);
 805                         else
 806                                 size = mono_class_value_size (klass, NULL);
 807                         size = (size + 7) & ~7;
 808                         vt_stack_used += size;
 809                 }
 810         }
 811
 812         /* need to handle typedbyref ... */
 813         if (csignature->ret->type != MONO_TYPE_VOID) {
 814                 int mt = mint_type(csignature->ret);
 815                 MonoClass *klass = mono_class_from_mono_type (csignature->ret);
 816                 if (mt == MINT_TYPE_VT) {
 817                         if (csignature->pinvoke && method->wrapper_type != MONO_WRAPPER_NONE)
 818                                 vt_res_size = mono_class_native_size (klass, NULL);
 819                         else
 820                                 vt_res_size = mono_class_value_size (klass, NULL);
 821                         PUSH_VT(td, vt_res_size);
 822                 }
 823                 PUSH_TYPE(td, stack_type[mt], klass);
 824         } else
 825                 is_void = TRUE;
 826
 827         if (op >= 0) {
 828                 ADD_CODE(td, op);
 829 #if SIZEOF_VOID_P == 8
 830                 if (op == MINT_LDLEN)
 831                         ADD_CODE(td, MINT_CONV_I4_I8);
 832 #endif
 833         } else {
 834                 if (calli)
 835                         ADD_CODE(td, native ? MINT_CALLI_NAT : MINT_CALLI);
 836                 else if (virtual)
 837                         ADD_CODE(td, is_void ? MINT_VCALLVIRT : MINT_CALLVIRT);
 838                 else
 839                         ADD_CODE(td, is_void ? MINT_VCALL : MINT_CALL);
 840
 841                 if (calli) {
 842                         ADD_CODE(td, get_data_item_index (td, (void *)csignature));
 843                 } else {
 844                         ADD_CODE(td, get_data_item_index (td, (void *)mono_interp_get_runtime_method (domain, target_method, &error)));
 845                         mono_error_cleanup (&error); /* FIXME: don't swallow the error */
 846                 }
 847         }
 848         td->ip += 5;
 849         if (vt_stack_used != 0 || vt_res_size != 0) {
 850                 ADD_CODE(td, MINT_VTRESULT);
 851                 ADD_CODE(td, vt_res_size);
 852                 WRITE32(td, &vt_stack_used);
 853                 td->vt_sp -= vt_stack_used;
 854         }
 855 }
 856
 857 static void
 858 generate (MonoMethod *method, RuntimeMethod *rtm, unsigned char *is_bb_start, MonoGenericContext *generic_context)
 859 {
 860         MonoMethodHeader *header = mono_method_get_header (method);
 861         MonoMethodSignature *signature = mono_method_signature (method);
 862         MonoImage *image = method->klass->image;
 863         MonoDomain *domain = mono_domain_get ();
 864         MonoClass *constrained_class = NULL;
 865         MonoError error;
 866         int offset, mt;
 867         int i;
 868         int i32;
 869         MonoClass *klass;
 870         MonoClassField *field;
 871         const unsigned char *end;
 872         int new_in_start_offset;
 873         int body_start_offset;
 874         int target;
 875         guint32 token;
 876         TransformData td;
 877         int generating_code = 1;
 878
 879         memset(&td, 0, sizeof(td));
 880         td.method = method;
 881         td.rtm = rtm;
 882         td.is_bb_start = is_bb_start;
 883         td.il_code = header->code;
 884         td.code_size = header->code_size;
 885         td.header = header;
 886         td.max_code_size = td.code_size;
 887         td.new_code = (unsigned short *)g_malloc(td.max_code_size * sizeof(gushort));
 888         td.new_code_end = td.new_code + td.max_code_size;
 889         td.in_offsets = g_malloc0(header->code_size * sizeof(int));
 890         td.forward_refs = g_malloc(header->code_size * sizeof(int));
 891         td.stack_state = g_malloc0(header->code_size * sizeof(StackInfo *));
 892         td.stack_height = g_malloc(header->code_size * sizeof(int));
 893         td.vt_stack_size = g_malloc(header->code_size * sizeof(int));
 894         td.n_data_items = 0;
 895         td.max_data_items = 0;
 896         td.data_items = NULL;
 897         td.data_hash = g_hash_table_new (NULL, NULL);
 898         rtm->data_items = td.data_items;
 899         for (i = 0; i < header->code_size; i++) {
 900                 td.forward_refs [i] = -1;
 901                 td.stack_height [i] = -1;
 902         }
 903         td.new_ip = td.new_code;
 904         td.last_new_ip = NULL;
 905
 906         td.stack = g_malloc0(header->max_stack * sizeof(td.stack[0]));
 907         td.sp = td.stack;
 908         td.max_stack_height = 0;
 909
 910         for (i = 0; i < header->num_clauses; i++) {
 911                 MonoExceptionClause *c = header->clauses + i;
 912                 td.stack_height [c->handler_offset] = 0;
 913                 td.vt_stack_size [c->handler_offset] = 0;
 914                 td.is_bb_start [c->handler_offset] = 1;
 915                 if (c->flags == MONO_EXCEPTION_CLAUSE_NONE) {
 916                         td.stack_height [c->handler_offset] = 1;
 917                         td.stack_state [c->handler_offset] = g_malloc0(sizeof(StackInfo));
 918                         td.stack_state [c->handler_offset][0].type = STACK_TYPE_O;
 919                         td.stack_state [c->handler_offset][0].klass = NULL; /*FIX*/
 920                 }
 921         }
 922
 923         td.ip = header->code;
 924         end = td.ip + header->code_size;
 925
 926         if (mono_interp_traceopt) {
 927                 char *tmp = mono_disasm_code (NULL, method, td.ip, end);
 928                 char *name = mono_method_full_name (method, TRUE);
 929                 g_print ("Method %s, original code:\n", name);
 930                 g_print ("%s\n", tmp);
 931                 g_free (tmp);
 932                 g_free (name);
 933         }
 934
 935         if (signature->hasthis)
 936                 store_inarg (&td, 0);
 937         for (i = 0; i < signature->param_count; i++)
 938                 store_inarg (&td, i + !!signature->hasthis);
 939
 940         body_start_offset = td.new_ip - td.new_code;
 941
 942         for (i = 0; i < header->num_locals; i++) {
 943                 int mt = mint_type(header->locals [i]);
 944                 if (mt == MINT_TYPE_VT || mt == MINT_TYPE_O) {
 945                         ADD_CODE(&td, MINT_INITLOCALS);
 946                         break;
 947                 }
 948         }
 949
 950         while (td.ip < end) {
 951                 int in_offset;
 952
 953                 g_assert (td.sp >= td.stack);
 954                 g_assert (td.vt_sp < 0x10000000);
 955                 in_offset = td.ip - header->code;
 956                 td.in_offsets [in_offset] = td.new_ip - td.new_code;
 957                 new_in_start_offset = td.new_ip - td.new_code;
 958                 td.in_start = td.ip;
 959                 while (td.forward_refs [in_offset] >= 0) {
 960                         int j = td.forward_refs [in_offset];
 961                         int slot;
 962                         td.forward_refs [in_offset] = td.forward_refs [j];
 963                         if (td.in_offsets [j] < 0) {
 964                                 int old_switch_offset = -td.in_offsets [j];
 965                                 int new_switch_offset = td.in_offsets [old_switch_offset];
 966                                 int switch_case = (j - old_switch_offset - 5) / 4;
 967                                 int n_cases = read32 (header->code + old_switch_offset + 1);
 968                                 offset = (td.new_ip - td.new_code) - (new_switch_offset + 2 * n_cases + 3);
 969                                 slot = new_switch_offset + 3 + 2 * switch_case;
 970                                 td.new_code [slot] = * (unsigned short *)(&offset);
 971                                 td.new_code [slot + 1] = * ((unsigned short *)&offset + 1);
 972                         } else {
 973                                 int op = td.new_code [td.in_offsets [j]];
 974                                 if (mono_interp_opargtype [op] == MintOpShortBranch) {
 975                                         offset = (td.new_ip - td.new_code) - td.in_offsets [j];
 976                                         g_assert (offset <= 32767);
 977                                         slot = td.in_offsets [j] + 1;
 978                                         td.new_code [slot] = offset;
 979                                 } else {
 980                                         offset = (td.new_ip - td.new_code) - td.in_offsets [j];
 981                                         slot = td.in_offsets [j] + 1;
 982                                         td.new_code [slot] = * (unsigned short *)(&offset);
 983                                         td.new_code [slot + 1] = * ((unsigned short *)&offset + 1);
 984                                 }
 985                         }
 986                 }
 987                 if (td.stack_height [in_offset] >= 0) {
 988                         g_assert (is_bb_start [in_offset]);
 989                         if (td.stack_height [in_offset] > 0)
 990                                 memcpy (td.stack, td.stack_state [in_offset], td.stack_height [in_offset] * sizeof(td.stack [0]));
 991                         td.sp = td.stack + td.stack_height [in_offset];
 992                         td.vt_sp = td.vt_stack_size [in_offset];
 993                 }
 994                 if (is_bb_start [in_offset]) {
 995                         generating_code = 1;
 996                 }
 997                 if (!generating_code) {
 998                         while (td.ip < end && !is_bb_start [td.ip - td.il_code])
 999                                 ++td.ip;
1000                         continue;
1001                 }
1002                 if (mono_interp_traceopt > 1) {
1003                         printf("IL_%04lx %s %-10s -> IL_%04lx, sp %ld, %s %-12s vt_sp %u (max %u)\n",
1004                                 td.ip - td.il_code,
1005                                 td.is_bb_start [td.ip - td.il_code] == 3 ? "<>" :
1006                                 td.is_bb_start [td.ip - td.il_code] == 2 ? "< " :
1007                                 td.is_bb_start [td.ip - td.il_code] == 1 ? " >" : "  ",
1008                                 mono_opcode_name (*td.ip), td.new_ip - td.new_code, td.sp - td.stack,
1009                                 td.sp > td.stack ? stack_type_string [td.sp [-1].type] : "  ",
1010                                 (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) : "",
1011                                 td.vt_sp, td.max_vt_sp);
1012                 }
1013                 switch (*td.ip) {
1014                 case CEE_NOP:
1015                         /* lose it */
1016                         ++td.ip;
1017                         break;
1018                 case CEE_BREAK:
1019                         SIMPLE_OP(td, MINT_BREAK);
1020                         break;
1021                 case CEE_LDARG_0:
1022                 case CEE_LDARG_1:
1023                 case CEE_LDARG_2:
1024                 case CEE_LDARG_3:
1025                         load_arg (&td, *td.ip - CEE_LDARG_0);
1026                         ++td.ip;
1027                         break;
1028                 case CEE_LDLOC_0:
1029                 case CEE_LDLOC_1:
1030                 case CEE_LDLOC_2:
1031                 case CEE_LDLOC_3:
1032                         load_local (&td, *td.ip - CEE_LDLOC_0);
1033                         ++td.ip;
1034                         break;
1035                 case CEE_STLOC_0:
1036                 case CEE_STLOC_1:
1037                 case CEE_STLOC_2:
1038                 case CEE_STLOC_3:
1039                         store_local (&td, *td.ip - CEE_STLOC_0);
1040                         ++td.ip;
1041                         break;
1042                 case CEE_LDARG_S:
1043                         load_arg (&td, ((guint8 *)td.ip)[1]);
1044                         td.ip += 2;
1045                         break;
1046                 case CEE_LDARGA_S: {
1047                         /* NOTE: n includes this */
1048                         int n = ((guint8 *)td.ip)[1];
1049                         if (n == 0 && signature->hasthis) {
1050                                 g_error ("LDTHISA: NOPE");
1051                                 ADD_CODE(&td, MINT_LDTHISA);
1052                         }
1053                         else {
1054                                 ADD_CODE(&td, MINT_LDARGA);
1055                                 ADD_CODE(&td, td.rtm->arg_offsets [n]);
1056                         }
1057                         PUSH_SIMPLE_TYPE(&td, STACK_TYPE_MP);
1058                         td.ip += 2;
1059                         break;
1060                 }
1061                 case CEE_STARG_S:
1062                         store_arg (&td, ((guint8 *)td.ip)[1]);
1063                         td.ip += 2;
1064                         break;
1065                 case CEE_LDLOC_S:
1066                         load_local (&td, ((guint8 *)td.ip)[1]);
1067                         td.ip += 2;
1068                         break;
1069                 case CEE_LDLOCA_S:
1070                         ADD_CODE(&td, MINT_LDLOCA_S);
1071                         ADD_CODE(&td, td.rtm->local_offsets [((guint8 *)td.ip)[1]]);
1072                         PUSH_SIMPLE_TYPE(&td, STACK_TYPE_MP);
1073                         td.ip += 2;
1074                         break;
1075                 case CEE_STLOC_S:
1076                         store_local (&td, ((guint8 *)td.ip)[1]);
1077                         td.ip += 2;
1078                         break;
1079                 case CEE_LDNULL:
1080                         SIMPLE_OP(td, MINT_LDNULL);
1081                         PUSH_TYPE(&td, STACK_TYPE_O, NULL);
1082                         break;
1083                 case CEE_LDC_I4_M1:
1084                         SIMPLE_OP(td, MINT_LDC_I4_M1);
1085                         PUSH_SIMPLE_TYPE(&td, STACK_TYPE_I4);
1086                         break;
1087                 case CEE_LDC_I4_0:
1088                         if (!td.is_bb_start[td.ip + 1 - td.il_code] && td.ip [1] == 0xfe && td.ip [2] == CEE_CEQ &&
1089                                 td.sp > td.stack && td.sp [-1].type == STACK_TYPE_I4) {
1090                                 SIMPLE_OP(td, MINT_CEQ0_I4);
1091                                 td.ip += 2;
1092                         } else {
1093                                 SIMPLE_OP(td, MINT_LDC_I4_0);
1094                                 PUSH_SIMPLE_TYPE(&td, STACK_TYPE_I4);
1095                         }
1096                         break;
1097                 case CEE_LDC_I4_1:
1098                         if (!td.is_bb_start[td.ip + 1 - td.il_code] &&
1099                                 (td.ip [1] == CEE_ADD || td.ip [1] == CEE_SUB) && td.sp [-1].type == STACK_TYPE_I4) {
1100                                 ADD_CODE(&td, td.ip [1] == CEE_ADD ? MINT_ADD1_I4 : MINT_SUB1_I4);
1101                                 td.ip += 2;
1102                         } else {
1103                                 SIMPLE_OP(td, MINT_LDC_I4_1);
1104                                 PUSH_SIMPLE_TYPE(&td, STACK_TYPE_I4);
1105                         }
1106                         break;
1107                 case CEE_LDC_I4_2:
1108                 case CEE_LDC_I4_3:
1109                 case CEE_LDC_I4_4:
1110                 case CEE_LDC_I4_5:
1111                 case CEE_LDC_I4_6:
1112                 case CEE_LDC_I4_7:
1113                 case CEE_LDC_I4_8:
1114                         SIMPLE_OP(td, (*td.ip - CEE_LDC_I4_0) + MINT_LDC_I4_0);
1115                         PUSH_SIMPLE_TYPE(&td, STACK_TYPE_I4);
1116                         break;
1117                 case CEE_LDC_I4_S:
1118                         ADD_CODE(&td, MINT_LDC_I4_S);
1119                         ADD_CODE(&td, ((gint8 *) td.ip) [1]);
1120                         td.ip += 2;
1121                         PUSH_SIMPLE_TYPE(&td, STACK_TYPE_I4);
1122                         break;
1123                 case CEE_LDC_I4:
1124                         i32 = read32 (td.ip + 1);
1125                         ADD_CODE(&td, MINT_LDC_I4);
1126                         WRITE32(&td, &i32);
1127                         td.ip += 5;
1128                         PUSH_SIMPLE_TYPE(&td, STACK_TYPE_I4);
1129                         break;
1130                 case CEE_LDC_I8: {
1131                         gint64 val = read64 (td.ip + 1);
1132                         ADD_CODE(&td, MINT_LDC_I8);
1133                         WRITE64(&td, &val);
1134                         td.ip += 9;
1135                         PUSH_SIMPLE_TYPE(&td, STACK_TYPE_I8);
1136                         break;
1137                 }
1138                 case CEE_LDC_R4: {
1139                         float val;
1140                         readr4 (td.ip + 1, &val);
1141                         ADD_CODE(&td, MINT_LDC_R4);
1142                         WRITE32(&td, &val);
1143                         td.ip += 5;
1144                         PUSH_SIMPLE_TYPE(&td, STACK_TYPE_R8);
1145                         break;
1146                 }
1147                 case CEE_LDC_R8: {
1148                         double val;
1149                         readr8 (td.ip + 1, &val);
1150                         ADD_CODE(&td, MINT_LDC_R8);
1151                         WRITE64(&td, &val);
1152                         td.ip += 9;
1153                         PUSH_SIMPLE_TYPE(&td, STACK_TYPE_R8);
1154                         break;
1155                 }
1156                 case CEE_DUP: {
1157                         int type = td.sp [-1].type;
1158                         MonoClass *klass = td.sp [-1].klass;
1159                         if (td.sp [-1].type == STACK_TYPE_VT) {
1160                                 gint32 size = mono_class_value_size (klass, NULL);
1161                                 PUSH_VT(&td, size);
1162                                 ADD_CODE(&td, MINT_DUP_VT);
1163                                 WRITE32(&td, &size);
1164                                 td.ip ++;
1165                         } else
1166                                 SIMPLE_OP(td, MINT_DUP);
1167                         PUSH_TYPE(&td, type, klass);
1168                         break;
1169                 }
1170                 case CEE_POP:
1171                         CHECK_STACK(&td, 1);
1172                         SIMPLE_OP(td, MINT_POP);
1173                         ADD_CODE (&td, 0);
1174                         if (td.sp [-1].type == STACK_TYPE_VT) {
1175                                 int size = mono_class_value_size (td.sp [-1].klass, NULL);
1176                                 size = (size + 7) & ~7;
1177                                 ADD_CODE(&td, MINT_VTRESULT);
1178                                 ADD_CODE(&td, 0);
1179                                 WRITE32(&td, &size);
1180                                 td.vt_sp -= size;
1181                         }
1182                         --td.sp;
1183                         break;
1184                 case CEE_JMP: {
1185                         MonoMethod *m;
1186                         if (td.sp > td.stack)
1187                                 g_warning ("CEE_JMP: stack must be empty");
1188                         token = read32 (td.ip + 1);
1189                         m = mono_get_method_full (image, token, NULL, generic_context);
1190                         ADD_CODE (&td, MINT_JMP);
1191                         ADD_CODE (&td, get_data_item_index (&td, mono_interp_get_runtime_method (domain, m, &error)));
1192                         mono_error_cleanup (&error); /* FIXME: don't swallow the error */
1193                         td.ip += 5;
1194                         break;
1195                 }
1196                 case CEE_CALLVIRT: /* Fall through */
1197                 case CEE_CALLI:    /* Fall through */
1198                 case CEE_CALL: {
1199                         interp_transform_call (&td, method, NULL, domain, generic_context, is_bb_start, body_start_offset, constrained_class);
1200                         constrained_class = NULL;
1201                         break;
1202                 }
1203                 case CEE_RET: {
1204                         int vt_size = 0;
1205                         if (signature->ret->type != MONO_TYPE_VOID) {
1206                                 --td.sp;
1207                                 MonoClass *klass = mono_class_from_mono_type (signature->ret);
1208                                 if (mint_type (&klass->byval_arg) == MINT_TYPE_VT) {
1209                                         vt_size = mono_class_value_size (klass, NULL);
1210                                         vt_size = (vt_size + 7) & ~7;
1211                                 }
1212                         }
1213                         if (td.sp > td.stack)
1214                                 g_warning ("%s.%s: CEE_RET: more values on stack: %d", td.method->klass->name, td.method->name, td.sp - td.stack);
1215                         if (td.vt_sp != vt_size)
1216                                 g_error ("%s.%s: CEE_RET: value type stack: %d vs. %d", td.method->klass->name, td.method->name, td.vt_sp, vt_size);
1217                         if (vt_size == 0)
1218                                 SIMPLE_OP(td, signature->ret->type == MONO_TYPE_VOID ? MINT_RET_VOID : MINT_RET);
1219                         else {
1220                                 ADD_CODE(&td, MINT_RET_VT);
1221                                 WRITE32(&td, &vt_size);
1222                                 ++td.ip;
1223                         }
1224                         generating_code = 0;
1225                         break;
1226                 }
1227                 case CEE_BR:
1228                         handle_branch (&td, MINT_BR_S, MINT_BR, 5 + read32 (td.ip + 1));
1229                         td.ip += 5;
1230                         generating_code = 0;
1231                         break;
1232                 case CEE_BR_S:
1233                         handle_branch (&td, MINT_BR_S, MINT_BR, 2 + (gint8)td.ip [1]);
1234                         td.ip += 2;
1235                         generating_code = 0;
1236                         break;
1237                 case CEE_BRFALSE:
1238                         one_arg_branch (&td, MINT_BRFALSE_I4, 5 + read32 (td.ip + 1));
1239                         td.ip += 5;
1240                         break;
1241                 case CEE_BRFALSE_S:
1242                         one_arg_branch (&td, MINT_BRFALSE_I4, 2 + (gint8)td.ip [1]);
1243                         td.ip += 2;
1244                         break;
1245                 case CEE_BRTRUE:
1246                         one_arg_branch (&td, MINT_BRTRUE_I4, 5 + read32 (td.ip + 1));
1247                         td.ip += 5;
1248                         break;
1249                 case CEE_BRTRUE_S:
1250                         one_arg_branch (&td, MINT_BRTRUE_I4, 2 + (gint8)td.ip [1]);
1251                         td.ip += 2;
1252                         break;
1253                 case CEE_BEQ:
1254                         two_arg_branch (&td, MINT_BEQ_I4, 5 + read32 (td.ip + 1));
1255                         td.ip += 5;
1256                         break;
1257                 case CEE_BEQ_S:
1258                         two_arg_branch (&td, MINT_BEQ_I4, 2 + (gint8) td.ip [1]);
1259                         td.ip += 2;
1260                         break;
1261                 case CEE_BGE:
1262                         two_arg_branch (&td, MINT_BGE_I4, 5 + read32 (td.ip + 1));
1263                         td.ip += 5;
1264                         break;
1265                 case CEE_BGE_S:
1266                         two_arg_branch (&td, MINT_BGE_I4, 2 + (gint8) td.ip [1]);
1267                         td.ip += 2;
1268                         break;
1269                 case CEE_BGT:
1270                         two_arg_branch (&td, MINT_BGT_I4, 5 + read32 (td.ip + 1));
1271                         td.ip += 5;
1272                         break;
1273                 case CEE_BGT_S:
1274                         two_arg_branch (&td, MINT_BGT_I4, 2 + (gint8) td.ip [1]);
1275                         td.ip += 2;
1276                         break;
1277                 case CEE_BLT:
1278                         two_arg_branch (&td, MINT_BLT_I4, 5 + read32 (td.ip + 1));
1279                         td.ip += 5;
1280                         break;
1281                 case CEE_BLT_S:
1282                         two_arg_branch (&td, MINT_BLT_I4, 2 + (gint8) td.ip [1]);
1283                         td.ip += 2;
1284                         break;
1285                 case CEE_BLE:
1286                         two_arg_branch (&td, MINT_BLE_I4, 5 + read32 (td.ip + 1));
1287                         td.ip += 5;
1288                         break;
1289                 case CEE_BLE_S:
1290                         two_arg_branch (&td, MINT_BLE_I4, 2 + (gint8) td.ip [1]);
1291                         td.ip += 2;
1292                         break;
1293                 case CEE_BNE_UN:
1294                         two_arg_branch (&td, MINT_BNE_UN_I4, 5 + read32 (td.ip + 1));
1295                         td.ip += 5;
1296                         break;
1297                 case CEE_BNE_UN_S:
1298                         two_arg_branch (&td, MINT_BNE_UN_I4, 2 + (gint8) td.ip [1]);
1299                         td.ip += 2;
1300                         break;
1301                 case CEE_BGE_UN:
1302                         two_arg_branch (&td, MINT_BGE_UN_I4, 5 + read32 (td.ip + 1));
1303                         td.ip += 5;
1304                         break;
1305                 case CEE_BGE_UN_S:
1306                         two_arg_branch (&td, MINT_BGE_UN_I4, 2 + (gint8) td.ip [1]);
1307                         td.ip += 2;
1308                         break;
1309                 case CEE_BGT_UN:
1310                         two_arg_branch (&td, MINT_BGT_UN_I4, 5 + read32 (td.ip + 1));
1311                         td.ip += 5;
1312                         break;
1313                 case CEE_BGT_UN_S:
1314                         two_arg_branch (&td, MINT_BGT_UN_I4, 2 + (gint8) td.ip [1]);
1315                         td.ip += 2;
1316                         break;
1317                 case CEE_BLE_UN:
1318                         two_arg_branch (&td, MINT_BLE_UN_I4, 5 + read32 (td.ip + 1));
1319                         td.ip += 5;
1320                         break;
1321                 case CEE_BLE_UN_S:
1322                         two_arg_branch (&td, MINT_BLE_UN_I4, 2 + (gint8) td.ip [1]);
1323                         td.ip += 2;
1324                         break;
1325                 case CEE_BLT_UN:
1326                         two_arg_branch (&td, MINT_BLT_UN_I4, 5 + read32 (td.ip + 1));
1327                         td.ip += 5;
1328                         break;
1329                 case CEE_BLT_UN_S:
1330                         two_arg_branch (&td, MINT_BLT_UN_I4, 2 + (gint8) td.ip [1]);
1331                         td.ip += 2;
1332                         break;
1333                 case CEE_SWITCH: {
1334                         guint32 n;
1335                         const unsigned char *next_ip;
1336                         const unsigned char *base_ip = td.ip;
1337                         unsigned short *next_new_ip;
1338                         ++td.ip;
1339                         n = read32 (td.ip);
1340                         ADD_CODE(&td, MINT_SWITCH);
1341                         ADD_CODE(&td, * (unsigned short *)(&n));
1342                         ADD_CODE(&td, * ((unsigned short *)&n + 1));
1343                         td.ip += 4;
1344                         next_ip = td.ip + n * 4;
1345                         next_new_ip = td.new_ip + n * 2;
1346                         for (i = 0; i < n; i++) {
1347                                 offset = read32 (td.ip);
1348                                 target = next_ip - td.il_code + offset;
1349                                 if (offset < 0)
1350                                         target = td.in_offsets [target] - (next_new_ip - td.new_code);
1351                                 else {
1352                                         int prev = td.forward_refs [target];
1353                                         td.forward_refs [td.ip - td.il_code] = prev;
1354                                         td.forward_refs [target] = td.ip - td.il_code;
1355                                         td.in_offsets [td.ip - td.il_code] = - (base_ip - td.il_code);
1356                                 }
1357                                 ADD_CODE(&td, * (unsigned short *)(&target));
1358                                 ADD_CODE(&td, * ((unsigned short *)&target + 1));
1359                                 td.ip += 4;
1360                         }
1361                         --td.sp;
1362                         break;
1363                 }
1364                 case CEE_LDIND_I1:
1365                         CHECK_STACK (&td, 1);
1366                         SIMPLE_OP (td, MINT_LDIND_I1);
1367                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
1368                         break;
1369                 case CEE_LDIND_U1:
1370                         CHECK_STACK (&td, 1);
1371                         SIMPLE_OP (td, MINT_LDIND_U1);
1372                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
1373                         break;
1374                 case CEE_LDIND_I2:
1375                         CHECK_STACK (&td, 1);
1376                         SIMPLE_OP (td, MINT_LDIND_I2);
1377                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
1378                         break;
1379                 case CEE_LDIND_U2:
1380                         CHECK_STACK (&td, 1);
1381                         SIMPLE_OP (td, MINT_LDIND_U2);
1382                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
1383                         break;
1384                 case CEE_LDIND_I4:
1385                         CHECK_STACK (&td, 1);
1386                         SIMPLE_OP (td, MINT_LDIND_I4);
1387                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
1388                         break;
1389                 case CEE_LDIND_U4:
1390                         CHECK_STACK (&td, 1);
1391                         SIMPLE_OP (td, MINT_LDIND_U4);
1392                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
1393                         break;
1394                 case CEE_LDIND_I8:
1395                         CHECK_STACK (&td, 1);
1396                         SIMPLE_OP (td, MINT_LDIND_I8);
1397                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I8);
1398                         break;
1399                 case CEE_LDIND_I:
1400                         CHECK_STACK (&td, 1);
1401                         SIMPLE_OP (td, MINT_LDIND_I);
1402                         ADD_CODE (&td, 0);
1403                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I);
1404                         break;
1405                 case CEE_LDIND_R4:
1406                         CHECK_STACK (&td, 1);
1407                         SIMPLE_OP (td, MINT_LDIND_R4);
1408                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_R8);
1409                         break;
1410                 case CEE_LDIND_R8:
1411                         CHECK_STACK (&td, 1);
1412                         SIMPLE_OP (td, MINT_LDIND_R8);
1413                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_R8);
1414                         break;
1415                 case CEE_LDIND_REF:
1416                         CHECK_STACK (&td, 1);
1417                         SIMPLE_OP (td, MINT_LDIND_REF);
1418                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_O);
1419                         break;
1420                 case CEE_STIND_REF:
1421                         CHECK_STACK (&td, 2);
1422                         SIMPLE_OP (td, MINT_STIND_REF);
1423                         td.sp -= 2;
1424                         break;
1425                 case CEE_STIND_I1:
1426                         CHECK_STACK (&td, 2);
1427                         SIMPLE_OP (td, MINT_STIND_I1);
1428                         td.sp -= 2;
1429                         break;
1430                 case CEE_STIND_I2:
1431                         CHECK_STACK (&td, 2);
1432                         SIMPLE_OP (td, MINT_STIND_I2);
1433                         td.sp -= 2;
1434                         break;
1435                 case CEE_STIND_I4:
1436                         CHECK_STACK (&td, 2);
1437                         SIMPLE_OP (td, MINT_STIND_I4);
1438                         td.sp -= 2;
1439                         break;
1440                 case CEE_STIND_I:
1441                         CHECK_STACK (&td, 2);
1442                         SIMPLE_OP (td, MINT_STIND_I);
1443                         td.sp -= 2;
1444                         break;
1445                 case CEE_STIND_I8:
1446                         CHECK_STACK (&td, 2);
1447                         SIMPLE_OP (td, MINT_STIND_I8);
1448                         td.sp -= 2;
1449                         break;
1450                 case CEE_STIND_R4:
1451                         CHECK_STACK (&td, 2);
1452                         SIMPLE_OP (td, MINT_STIND_R4);
1453                         td.sp -= 2;
1454                         break;
1455                 case CEE_STIND_R8:
1456                         CHECK_STACK (&td, 2);
1457                         SIMPLE_OP (td, MINT_STIND_R8);
1458                         td.sp -= 2;
1459                         break;
1460                 case CEE_ADD:
1461                         binary_arith_op(&td, MINT_ADD_I4);
1462                         ++td.ip;
1463                         break;
1464                 case CEE_SUB:
1465                         binary_arith_op(&td, MINT_SUB_I4);
1466                         ++td.ip;
1467                         break;
1468                 case CEE_MUL:
1469                         binary_arith_op(&td, MINT_MUL_I4);
1470                         ++td.ip;
1471                         break;
1472                 case CEE_DIV:
1473                         binary_arith_op(&td, MINT_DIV_I4);
1474                         ++td.ip;
1475                         break;
1476                 case CEE_DIV_UN:
1477                         binary_arith_op(&td, MINT_DIV_UN_I4);
1478                         ++td.ip;
1479                         break;
1480                 case CEE_REM:
1481                         binary_int_op (&td, MINT_REM_I4);
1482                         ++td.ip;
1483                         break;
1484                 case CEE_REM_UN:
1485                         binary_int_op (&td, MINT_REM_UN_I4);
1486                         ++td.ip;
1487                         break;
1488                 case CEE_AND:
1489                         binary_int_op (&td, MINT_AND_I4);
1490                         ++td.ip;
1491                         break;
1492                 case CEE_OR:
1493                         binary_int_op (&td, MINT_OR_I4);
1494                         ++td.ip;
1495                         break;
1496                 case CEE_XOR:
1497                         binary_int_op (&td, MINT_XOR_I4);
1498                         ++td.ip;
1499                         break;
1500                 case CEE_SHL:
1501                         shift_op (&td, MINT_SHL_I4);
1502                         ++td.ip;
1503                         break;
1504                 case CEE_SHR:
1505                         shift_op (&td, MINT_SHR_I4);
1506                         ++td.ip;
1507                         break;
1508                 case CEE_SHR_UN:
1509                         shift_op (&td, MINT_SHR_UN_I4);
1510                         ++td.ip;
1511                         break;
1512                 case CEE_NEG:
1513                         unary_arith_op (&td, MINT_NEG_I4);
1514                         ++td.ip;
1515                         break;
1516                 case CEE_NOT:
1517                         unary_arith_op (&td, MINT_NOT_I4);
1518                         ++td.ip;
1519                         break;
1520                 case CEE_CONV_U1:
1521                         CHECK_STACK (&td, 1);
1522                         switch (td.sp [-1].type) {
1523                         case STACK_TYPE_R8:
1524                                 ADD_CODE(&td, MINT_CONV_U1_R8);
1525                                 break;
1526                         case STACK_TYPE_I4:
1527                                 ADD_CODE(&td, MINT_CONV_U1_I4);
1528                                 break;
1529                         case STACK_TYPE_I8:
1530                                 ADD_CODE(&td, MINT_CONV_U1_I8);
1531                                 break;
1532                         default:
1533                                 g_assert_not_reached ();
1534                         }
1535                         ++td.ip;
1536                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
1537                         break;
1538                 case CEE_CONV_I1:
1539                         CHECK_STACK (&td, 1);
1540                         switch (td.sp [-1].type) {
1541                         case STACK_TYPE_R8:
1542                                 ADD_CODE(&td, MINT_CONV_I1_R8);
1543                                 break;
1544                         case STACK_TYPE_I4:
1545                                 ADD_CODE(&td, MINT_CONV_I1_I4);
1546                                 break;
1547                         case STACK_TYPE_I8:
1548                                 ADD_CODE(&td, MINT_CONV_I1_I8);
1549                                 break;
1550                         default:
1551                                 g_assert_not_reached ();
1552                         }
1553                         ++td.ip;
1554                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
1555                         break;
1556                 case CEE_CONV_U2:
1557                         CHECK_STACK (&td, 1);
1558                         switch (td.sp [-1].type) {
1559                         case STACK_TYPE_R8:
1560                                 ADD_CODE(&td, MINT_CONV_U2_R8);
1561                                 break;
1562                         case STACK_TYPE_I4:
1563                                 ADD_CODE(&td, MINT_CONV_U2_I4);
1564                                 break;
1565                         case STACK_TYPE_I8:
1566                                 ADD_CODE(&td, MINT_CONV_U2_I8);
1567                                 break;
1568                         default:
1569                                 g_assert_not_reached ();
1570                         }
1571                         ++td.ip;
1572                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
1573                         break;
1574                 case CEE_CONV_I2:
1575                         CHECK_STACK (&td, 1);
1576                         switch (td.sp [-1].type) {
1577                         case STACK_TYPE_R8:
1578                                 ADD_CODE(&td, MINT_CONV_I2_R8);
1579                                 break;
1580                         case STACK_TYPE_I4:
1581                                 ADD_CODE(&td, MINT_CONV_I2_I4);
1582                                 break;
1583                         case STACK_TYPE_I8:
1584                                 ADD_CODE(&td, MINT_CONV_I2_I8);
1585                                 break;
1586                         default:
1587                                 g_assert_not_reached ();
1588                         }
1589                         ++td.ip;
1590                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
1591                         break;
1592                 case CEE_CONV_U:
1593                         CHECK_STACK (&td, 1);
1594                         switch (td.sp [-1].type) {
1595                         case STACK_TYPE_R8:
1596 #if SIZEOF_VOID_P == 4
1597                                 ADD_CODE(&td, MINT_CONV_U4_R8);
1598 #else
1599                                 ADD_CODE(&td, MINT_CONV_U8_R8);
1600 #endif
1601                                 break;
1602                         case STACK_TYPE_I4:
1603 #if SIZEOF_VOID_P == 8
1604                                 ADD_CODE(&td, MINT_CONV_U8_I4);
1605 #endif
1606                                 break;
1607                         case STACK_TYPE_I8:
1608 #if SIZEOF_VOID_P == 4
1609                                 ADD_CODE(&td, MINT_CONV_U4_I8);
1610 #endif
1611                                 break;
1612                         case STACK_TYPE_MP:
1613                                 break;
1614                         default:
1615                                 g_assert_not_reached ();
1616                         }
1617                         ++td.ip;
1618                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I);
1619                         break;
1620                 case CEE_CONV_I:
1621                         CHECK_STACK (&td, 1);
1622                         switch (td.sp [-1].type) {
1623                         case STACK_TYPE_R8:
1624 #if SIZEOF_VOID_P == 8
1625                                 ADD_CODE(&td, MINT_CONV_I8_R8);
1626 #else
1627                                 ADD_CODE(&td, MINT_CONV_I4_R8);
1628 #endif
1629                                 break;
1630                         case STACK_TYPE_I4:
1631 #if SIZEOF_VOID_P == 8
1632                                 ADD_CODE(&td, MINT_CONV_I8_I4);
1633 #endif
1634                                 break;
1635                         case STACK_TYPE_O:
1636                                 break;
1637                         case STACK_TYPE_MP:
1638                                 break;
1639                         case STACK_TYPE_I8:
1640 #if SIZEOF_VOID_P == 4
1641                                 ADD_CODE(&td, MINT_CONV_I4_I8);
1642 #endif
1643                                 break;
1644                         default:
1645                                 g_assert_not_reached ();
1646                         }
1647                         ++td.ip;
1648                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I);
1649                         break;
1650                 case CEE_CONV_U4:
1651                         CHECK_STACK (&td, 1);
1652                         switch (td.sp [-1].type) {
1653                         case STACK_TYPE_R8:
1654                                 ADD_CODE(&td, MINT_CONV_U4_R8);
1655                                 break;
1656                         case STACK_TYPE_I4:
1657                                 break;
1658                         case STACK_TYPE_I8:
1659                                 ADD_CODE(&td, MINT_CONV_U4_I8);
1660                                 break;
1661                         case STACK_TYPE_MP:
1662 #if SIZEOF_VOID_P == 8
1663                                 ADD_CODE(&td, MINT_CONV_U4_I8);
1664 #endif
1665                                 break;
1666                         default:
1667                                 g_assert_not_reached ();
1668                         }
1669                         ++td.ip;
1670                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
1671                         break;
1672                 case CEE_CONV_I4:
1673                         CHECK_STACK (&td, 1);
1674                         switch (td.sp [-1].type) {
1675                         case STACK_TYPE_R8:
1676                                 ADD_CODE(&td, MINT_CONV_I4_R8);
1677                                 break;
1678                         case STACK_TYPE_I4:
1679                                 break;
1680                         case STACK_TYPE_I8:
1681                                 ADD_CODE(&td, MINT_CONV_I4_I8);
1682                                 break;
1683                         case STACK_TYPE_MP:
1684 #if SIZEOF_VOID_P == 8
1685                                 ADD_CODE(&td, MINT_CONV_I4_I8);
1686 #endif
1687                                 break;
1688                         default:
1689                                 g_assert_not_reached ();
1690                         }
1691                         ++td.ip;
1692                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
1693                         break;
1694                 case CEE_CONV_I8:
1695                         CHECK_STACK (&td, 1);
1696                         switch (td.sp [-1].type) {
1697                         case STACK_TYPE_R8:
1698                                 ADD_CODE(&td, MINT_CONV_I8_R8);
1699                                 break;
1700                         case STACK_TYPE_I4:
1701                                 ADD_CODE(&td, MINT_CONV_I8_I4);
1702                                 break;
1703                         case STACK_TYPE_I8:
1704                                 break;
1705                         case STACK_TYPE_MP:
1706 #if SIZEOF_VOID_P == 4
1707                                 ADD_CODE(&td, MINT_CONV_I8_I4);
1708 #endif
1709                                 break;
1710                         default:
1711                                 g_assert_not_reached ();
1712                         }
1713                         ++td.ip;
1714                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I8);
1715                         break;
1716                 case CEE_CONV_R4:
1717                         CHECK_STACK (&td, 1);
1718                         switch (td.sp [-1].type) {
1719                         case STACK_TYPE_R8:
1720                                 ADD_CODE(&td, MINT_CONV_R4_R8);
1721                                 break;
1722                         case STACK_TYPE_I8:
1723                                 ADD_CODE(&td, MINT_CONV_R4_I8);
1724                                 break;
1725                         case STACK_TYPE_I4:
1726                                 ADD_CODE(&td, MINT_CONV_R4_I4);
1727                                 break;
1728                         default:
1729                                 g_assert_not_reached ();
1730                         }
1731                         ++td.ip;
1732                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_R8);
1733                         break;
1734                 case CEE_CONV_R8:
1735                         CHECK_STACK (&td, 1);
1736                         switch (td.sp [-1].type) {
1737                         case STACK_TYPE_I4:
1738                                 ADD_CODE(&td, MINT_CONV_R8_I4);
1739                                 break;
1740                         case STACK_TYPE_I8:
1741                                 ADD_CODE(&td, MINT_CONV_R8_I8);
1742                                 break;
1743                         case STACK_TYPE_R8:
1744                                 break;
1745                         default:
1746                                 g_assert_not_reached ();
1747                         }
1748                         ++td.ip;
1749                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_R8);
1750                         break;
1751                 case CEE_CONV_U8:
1752                         CHECK_STACK (&td, 1);
1753                         switch (td.sp [-1].type) {
1754                         case STACK_TYPE_I4:
1755                                 ADD_CODE(&td, MINT_CONV_U8_I4);
1756                                 break;
1757                         case STACK_TYPE_I8:
1758                                 break;
1759                         case STACK_TYPE_R8:
1760                                 ADD_CODE(&td, MINT_CONV_U8_R8);
1761                                 break;
1762                         case STACK_TYPE_MP:
1763 #if SIZEOF_VOID_P == 4
1764                                 ADD_CODE(&td, MINT_CONV_U8_I4);
1765 #endif
1766                                 break;
1767                         default:
1768                                 g_assert_not_reached ();
1769                         }
1770                         ++td.ip;
1771                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I8);
1772                         break;
1773 #if 0
1774                 case CEE_CPOBJ: {
1775                         MonoClass *vtklass;
1776                         ++ip;
1777                         vtklass = mono_class_get_full (image, read32 (ip), generic_context);
1778                         ip += 4;
1779                         sp -= 2;
1780                         memcpy (sp [0].data.p, sp [1].data.p, mono_class_value_size (vtklass, NULL));
1781                         break;
1782                 }
1783 #endif
1784                 case CEE_LDOBJ: {
1785                         int size;
1786                         CHECK_STACK (&td, 1);
1787
1788                         token = read32 (td.ip + 1);
1789
1790                         if (method->wrapper_type != MONO_WRAPPER_NONE)
1791                                 klass = (MonoClass *)mono_method_get_wrapper_data (method, token);
1792                         else
1793                                 klass = mono_class_get_full (image, token, generic_context);
1794
1795                         ADD_CODE(&td, MINT_LDOBJ);
1796                         ADD_CODE(&td, get_data_item_index(&td, klass));
1797                         if (mint_type (&klass->byval_arg) == MINT_TYPE_VT) {
1798                                 size = mono_class_value_size (klass, NULL);
1799                                 PUSH_VT(&td, size);
1800                         }
1801                         td.ip += 5;
1802                         SET_TYPE(td.sp - 1, stack_type[mint_type(&klass->byval_arg)], klass);
1803                         break;
1804                 }
1805                 case CEE_LDSTR: {
1806                         MonoString *s;
1807                         token = mono_metadata_token_index (read32 (td.ip + 1));
1808                         td.ip += 5;
1809                         if (method->wrapper_type != MONO_WRAPPER_NONE) {
1810                                 s = mono_string_new_wrapper(
1811                                         mono_method_get_wrapper_data (method, token));
1812                         }
1813                         else
1814                                 s = mono_ldstr (domain, image, token);
1815                         ADD_CODE(&td, MINT_LDSTR);
1816                         ADD_CODE(&td, get_data_item_index (&td, s));
1817                         PUSH_TYPE(&td, STACK_TYPE_O, mono_defaults.string_class);
1818                         break;
1819                 }
1820                 case CEE_NEWOBJ: {
1821                         MonoMethod *m;
1822                         MonoMethodSignature *csignature;
1823                         guint32 vt_stack_used = 0;
1824                         guint32 vt_res_size = 0;
1825
1826                         td.ip++;
1827                         token = read32 (td.ip);
1828                         td.ip += 4;
1829
1830                         if (method->wrapper_type != MONO_WRAPPER_NONE)
1831                                 m = (MonoMethod *)mono_method_get_wrapper_data (method, token);
1832                         else
1833                                 m = mono_get_method_full (image, token, NULL, generic_context);
1834
1835                         csignature = mono_method_signature (m);
1836                         klass = m->klass;
1837                         td.sp -= csignature->param_count;
1838                         ADD_CODE(&td, MINT_NEWOBJ);
1839                         ADD_CODE(&td, get_data_item_index (&td, mono_interp_get_runtime_method (domain, m, &error)));
1840                         mono_error_cleanup (&error); /* FIXME: don't swallow the error */
1841
1842                         if (mint_type (&klass->byval_arg) == MINT_TYPE_VT) {
1843                                 vt_res_size = mono_class_value_size (klass, NULL);
1844                                 PUSH_VT (&td, vt_res_size);
1845                         }
1846                         for (i = 0; i < csignature->param_count; ++i) {
1847                                 int mt = mint_type(csignature->params [i]);
1848                                 if (mt == MINT_TYPE_VT) {
1849                                         MonoClass *k = mono_class_from_mono_type (csignature->params [i]);
1850                                         gint32 size = mono_class_value_size (k, NULL);
1851                                         size = (size + 7) & ~7;
1852                                         vt_stack_used += size;
1853                                 }
1854                         }
1855                         if (vt_stack_used != 0 || vt_res_size != 0) {
1856                                 ADD_CODE(&td, MINT_VTRESULT);
1857                                 ADD_CODE(&td, vt_res_size);
1858                                 WRITE32(&td, &vt_stack_used);
1859                                 td.vt_sp -= vt_stack_used;
1860                         }
1861                         PUSH_TYPE (&td, stack_type [mint_type (&klass->byval_arg)], klass);
1862                         break;
1863                 }
1864                 case CEE_CASTCLASS:
1865                         CHECK_STACK (&td, 1);
1866                         token = read32 (td.ip + 1);
1867                         klass = mono_class_get_full (image, token, generic_context);
1868                         ADD_CODE(&td, MINT_CASTCLASS);
1869                         ADD_CODE(&td, get_data_item_index (&td, klass));
1870                         td.sp [-1].klass = klass;
1871                         td.ip += 5;
1872                         break;
1873                 case CEE_ISINST:
1874                         CHECK_STACK (&td, 1);
1875                         token = read32 (td.ip + 1);
1876                         klass = mono_class_get_full (image, token, generic_context);
1877                         ADD_CODE(&td, MINT_ISINST);
1878                         ADD_CODE(&td, get_data_item_index (&td, klass));
1879                         td.ip += 5;
1880                         break;
1881                 case CEE_CONV_R_UN:
1882                         switch (td.sp [-1].type) {
1883                         case STACK_TYPE_R8:
1884                                 break;
1885                         case STACK_TYPE_I8:
1886                                 ADD_CODE(&td, MINT_CONV_R_UN_I8);
1887                                 break;
1888                         case STACK_TYPE_I4:
1889                                 ADD_CODE(&td, MINT_CONV_R_UN_I4);
1890                                 break;
1891                         default:
1892                                 g_assert_not_reached ();
1893                         }
1894                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_R8);
1895                         ++td.ip;
1896                         break;
1897                 case CEE_UNBOX:
1898                         CHECK_STACK (&td, 1);
1899                         token = read32 (td.ip + 1);
1900
1901                         if (method->wrapper_type != MONO_WRAPPER_NONE)
1902                                 klass = (MonoClass *)mono_method_get_wrapper_data (method, token);
1903                         else
1904                                 klass = mono_class_get_full (image, token, generic_context);
1905
1906                         if (mono_class_is_nullable (klass)) {
1907                                 g_error ("cee_unbox: implement Nullable");
1908                         }
1909
1910                         ADD_CODE(&td, MINT_UNBOX);
1911                         ADD_CODE(&td, get_data_item_index (&td, klass));
1912                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_MP);
1913                         td.ip += 5;
1914                         break;
1915                 case CEE_UNBOX_ANY:
1916                         CHECK_STACK (&td, 1);
1917                         token = read32 (td.ip + 1);
1918
1919                         g_assert (method->wrapper_type == MONO_WRAPPER_NONE);
1920                         klass = mono_class_get_full (image, token, generic_context);
1921
1922                         if (mini_type_is_reference (&klass->byval_arg)) {
1923                                 g_error ("unbox_any: generic class is reference type");
1924                         } else if (mono_class_is_nullable (klass)) {
1925                                 MonoMethod *target_method = mono_class_get_method_from_name (klass, "Unbox", 1);
1926                                 /* td.ip is incremented by interp_transform_call */
1927                                 interp_transform_call (&td, method, target_method, domain, generic_context, is_bb_start, body_start_offset, NULL);
1928                         } else {
1929                                 int mt = mint_type (&klass->byval_arg);
1930                                 ADD_CODE (&td, MINT_UNBOX);
1931                                 ADD_CODE (&td, get_data_item_index (&td, klass));
1932                                 SET_TYPE (td.sp - 1, stack_type [mt], klass);
1933                                 if (mt == MINT_TYPE_VT) {
1934                                         int size = mono_class_value_size (klass, NULL);
1935                                         PUSH_VT (&td, size);
1936                                 }
1937                                 td.ip += 5;
1938                         }
1939
1940                         break;
1941                 case CEE_THROW:
1942                         CHECK_STACK (&td, 1);
1943                         SIMPLE_OP (td, MINT_THROW);
1944                         --td.sp;
1945                         generating_code = 0;
1946                         break;
1947                 case CEE_LDFLDA:
1948                         CHECK_STACK (&td, 1);
1949                         token = read32 (td.ip + 1);
1950                         field = mono_field_from_token (image, token, &klass, generic_context);
1951                         mono_class_init (klass);
1952                         mt = mint_type(field->type);
1953                         ADD_CODE(&td, MINT_LDFLDA);
1954                         ADD_CODE(&td, klass->valuetype ? field->offset - sizeof(MonoObject) : field->offset);
1955                         td.ip += 5;
1956                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_MP);
1957                         break;
1958                 case CEE_LDFLD: {
1959                         CHECK_STACK (&td, 1);
1960                         token = read32 (td.ip + 1);
1961                         field = mono_field_from_token (image, token, &klass, generic_context);
1962                         mono_class_init (klass);
1963
1964                         MonoClass *field_klass = mono_class_from_mono_type (field->type);
1965                         mt = mint_type (&field_klass->byval_arg);
1966                         if (klass->marshalbyref) {
1967                                 ADD_CODE(&td, mt == MINT_TYPE_VT ? MINT_LDRMFLD_VT :  MINT_LDRMFLD);
1968                                 ADD_CODE(&td, get_data_item_index (&td, field));
1969                         } else  {
1970                                 ADD_CODE(&td, MINT_LDFLD_I1 + mt - MINT_TYPE_I1);
1971                                 ADD_CODE(&td, klass->valuetype ? field->offset - sizeof(MonoObject) : field->offset);
1972                         }
1973                         if (mt == MINT_TYPE_VT) {
1974                                 int size = mono_class_value_size (field_klass, NULL);
1975                                 PUSH_VT(&td, size);
1976                                 WRITE32(&td, &size);
1977                         }
1978                         if (td.sp [-1].type == STACK_TYPE_VT) {
1979                                 int size = mono_class_value_size (klass, NULL);
1980                                 size = (size + 7) & ~7;
1981                                 td.vt_sp -= size;
1982                                 ADD_CODE (&td, MINT_VTRESULT);
1983                                 ADD_CODE (&td, 0);
1984                                 WRITE32 (&td, &size);
1985                         }
1986                         td.ip += 5;
1987                         SET_TYPE(td.sp - 1, stack_type [mt], field_klass);
1988                         break;
1989                 }
1990                 case CEE_STFLD:
1991                         CHECK_STACK (&td, 2);
1992                         token = read32 (td.ip + 1);
1993                         field = mono_field_from_token (image, token, &klass, generic_context);
1994                         mono_class_init (klass);
1995                         mt = mint_type(field->type);
1996                         if (klass->marshalbyref) {
1997                                 ADD_CODE(&td, mt == MINT_TYPE_VT ? MINT_STRMFLD_VT : MINT_STRMFLD);
1998                                 ADD_CODE(&td, get_data_item_index (&td, field));
1999                         } else  {
2000                                 ADD_CODE(&td, MINT_STFLD_I1 + mt - MINT_TYPE_I1);
2001                                 ADD_CODE(&td, klass->valuetype ? field->offset - sizeof(MonoObject) : field->offset);
2002                         }
2003                         if (mt == MINT_TYPE_VT) {
2004                                 MonoClass *klass = mono_class_from_mono_type (field->type);
2005                                 int size = mono_class_value_size (klass, NULL);
2006                                 POP_VT(&td, size);
2007                                 WRITE32(&td, &size);
2008                         }
2009                         td.ip += 5;
2010                         td.sp -= 2;
2011                         break;
2012                 case CEE_LDSFLDA:
2013                         token = read32 (td.ip + 1);
2014                         field = mono_field_from_token (image, token, &klass, generic_context);
2015                         ADD_CODE(&td, MINT_LDSFLDA);
2016                         ADD_CODE(&td, get_data_item_index (&td, field));
2017                         td.ip += 5;
2018                         PUSH_SIMPLE_TYPE(&td, STACK_TYPE_MP);
2019                         break;
2020                 case CEE_LDSFLD:
2021                         token = read32 (td.ip + 1);
2022                         field = mono_field_from_token (image, token, &klass, generic_context);
2023                         mt = mint_type(field->type);
2024                         ADD_CODE(&td, mt == MINT_TYPE_VT ? MINT_LDSFLD_VT : MINT_LDSFLD);
2025                         ADD_CODE(&td, get_data_item_index (&td, field));
2026                         klass = NULL;
2027                         if (mt == MINT_TYPE_VT) {
2028                                 MonoClass *klass = mono_class_from_mono_type (field->type);
2029                                 int size = mono_class_value_size (klass, NULL);
2030                                 PUSH_VT(&td, size);
2031                                 WRITE32(&td, &size);
2032                                 klass = field->type->data.klass;
2033                         } else {
2034                                 if (mt == MINT_TYPE_O)
2035                                         klass = mono_class_from_mono_type (field->type);
2036                         }
2037                         td.ip += 5;
2038                         PUSH_TYPE(&td, stack_type [mt], klass);
2039                         break;
2040                 case CEE_STSFLD:
2041                         CHECK_STACK (&td, 1);
2042                         token = read32 (td.ip + 1);
2043                         field = mono_field_from_token (image, token, &klass, generic_context);
2044                         mt = mint_type(field->type);
2045                         ADD_CODE(&td, mt == MINT_TYPE_VT ? MINT_STSFLD_VT : MINT_STSFLD);
2046                         ADD_CODE(&td, get_data_item_index (&td, field));
2047                         if (mt == MINT_TYPE_VT) {
2048                                 MonoClass *klass = mono_class_from_mono_type (field->type);
2049                                 int size = mono_class_value_size (klass, NULL);
2050                                 POP_VT (&td, size);
2051                                 WRITE32 (&td, &size);
2052                         }
2053                         td.ip += 5;
2054                         --td.sp;
2055                         break;
2056                 case CEE_STOBJ: {
2057                         int size;
2058                         token = read32 (td.ip + 1);
2059
2060                         if (method->wrapper_type != MONO_WRAPPER_NONE)
2061                                 klass = (MonoClass *)mono_method_get_wrapper_data (method, token);
2062                         else
2063                                 klass = mono_class_get_full (image, token, generic_context);
2064
2065                         ADD_CODE(&td, td.sp [-1].type == STACK_TYPE_VT ? MINT_STOBJ_VT : MINT_STOBJ);
2066                         ADD_CODE(&td, get_data_item_index (&td, klass));
2067                         if (td.sp [-1].type == STACK_TYPE_VT) {
2068                                 size = mono_class_value_size (klass, NULL);
2069                                 size = (size + 7) & ~7;
2070                                 td.vt_sp -= size;
2071                         }
2072                         td.ip += 5;
2073                         td.sp -= 2;
2074                         break;
2075                 }
2076                 case CEE_CONV_OVF_I_UN:
2077                         CHECK_STACK (&td, 1);
2078                         switch (td.sp [-1].type) {
2079                         case STACK_TYPE_R8:
2080 #if SIZEOF_VOID_P == 8
2081                                 ADD_CODE(&td, MINT_CONV_OVF_I8_UN_R8);
2082 #else
2083                                 ADD_CODE(&td, MINT_CONV_OVF_I4_UN_R8);
2084 #endif
2085                                 break;
2086                         case STACK_TYPE_I8:
2087                                 /*FIX*/
2088                                 break;
2089                         case STACK_TYPE_I4:
2090 #if SIZEOF_VOID_P == 8
2091                                 ADD_CODE(&td, MINT_CONV_I8_U4);
2092 #endif
2093                                 break;
2094                         default:
2095                                 g_assert_not_reached ();
2096                                 break;
2097                         }
2098                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I8);
2099                         ++td.ip;
2100                         break;
2101                 case CEE_CONV_OVF_I8_UN:
2102                         CHECK_STACK (&td, 1);
2103                         switch (td.sp [-1].type) {
2104                         case STACK_TYPE_R8:
2105                                 ADD_CODE(&td, MINT_CONV_OVF_I8_UN_R8);
2106                                 break;
2107                         case STACK_TYPE_I8:
2108                                 break;
2109                         case STACK_TYPE_I4:
2110                                 ADD_CODE(&td, MINT_CONV_I8_U4);
2111                                 break;
2112                         default:
2113                                 g_assert_not_reached ();
2114                                 break;
2115                         }
2116                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I8);
2117                         ++td.ip;
2118                         break;
2119                 case CEE_BOX: {
2120                         int size;
2121                         CHECK_STACK (&td, 1);
2122                         token = read32 (td.ip + 1);
2123                         if (method->wrapper_type != MONO_WRAPPER_NONE)
2124                                 klass = (MonoClass *)mono_method_get_wrapper_data (method, token);
2125                         else
2126                                 klass = mono_class_get_full (image, token, generic_context);
2127
2128                         if (mono_class_is_nullable (klass)) {
2129                                 MonoMethod *target_method = mono_class_get_method_from_name (klass, "Box", 1);
2130                                 /* td.ip is incremented by interp_transform_call */
2131                                 interp_transform_call (&td, method, target_method, domain, generic_context, is_bb_start, body_start_offset, NULL);
2132                         } else if (!klass->valuetype) {
2133                                 /* already boxed, do nothing. */
2134                                 td.ip += 5;
2135                         } else {
2136                                 if (mint_type (&klass->byval_arg) == MINT_TYPE_VT && !klass->enumtype) {
2137                                         size = mono_class_value_size (klass, NULL);
2138                                         size = (size + 7) & ~7;
2139                                         td.vt_sp -= size;
2140                                 }
2141                                 ADD_CODE(&td, MINT_BOX);
2142                                 ADD_CODE(&td, get_data_item_index (&td, klass));
2143                                 ADD_CODE (&td, 0);
2144                                 SET_TYPE(td.sp - 1, STACK_TYPE_O, klass);
2145                                 td.ip += 5;
2146                         }
2147
2148                         break;
2149                 }
2150                 case CEE_NEWARR:
2151                         CHECK_STACK (&td, 1);
2152                         token = read32 (td.ip + 1);
2153
2154                         if (method->wrapper_type != MONO_WRAPPER_NONE)
2155                                 klass = (MonoClass *)mono_method_get_wrapper_data (method, token);
2156                         else
2157                                 klass = mono_class_get_full (image, token, generic_context);
2158
2159                         ADD_CODE(&td, MINT_NEWARR);
2160                         ADD_CODE(&td, get_data_item_index (&td, klass));
2161                         SET_TYPE(td.sp - 1, STACK_TYPE_O, klass);
2162                         td.ip += 5;
2163                         break;
2164                 case CEE_LDLEN:
2165                         CHECK_STACK (&td, 1);
2166                         SIMPLE_OP (td, MINT_LDLEN);
2167                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I);
2168                         break;
2169                 case CEE_LDELEMA:
2170                         CHECK_STACK (&td, 2);
2171                         ENSURE_I4 (&td, 1);
2172                         token = read32 (td.ip + 1);
2173
2174                         if (method->wrapper_type != MONO_WRAPPER_NONE)
2175                                 klass = (MonoClass *)mono_method_get_wrapper_data (method, token);
2176                         else
2177                                 klass = mono_class_get_full (image, token, generic_context);
2178
2179                         ADD_CODE(&td, MINT_LDELEMA);
2180                         ADD_CODE(&td, get_data_item_index (&td, klass));
2181                         td.ip += 5;
2182                         --td.sp;
2183                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_MP);
2184                         break;
2185                 case CEE_LDELEM_I1:
2186                         CHECK_STACK (&td, 2);
2187                         ENSURE_I4 (&td, 1);
2188                         SIMPLE_OP (td, MINT_LDELEM_I1);
2189                         --td.sp;
2190                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2191                         break;
2192                 case CEE_LDELEM_U1:
2193                         CHECK_STACK (&td, 2);
2194                         ENSURE_I4 (&td, 1);
2195                         SIMPLE_OP (td, MINT_LDELEM_U1);
2196                         --td.sp;
2197                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2198                         break;
2199                 case CEE_LDELEM_I2:
2200                         CHECK_STACK (&td, 2);
2201                         ENSURE_I4 (&td, 1);
2202                         SIMPLE_OP (td, MINT_LDELEM_I2);
2203                         --td.sp;
2204                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2205                         break;
2206                 case CEE_LDELEM_U2:
2207                         CHECK_STACK (&td, 2);
2208                         ENSURE_I4 (&td, 1);
2209                         SIMPLE_OP (td, MINT_LDELEM_U2);
2210                         --td.sp;
2211                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2212                         break;
2213                 case CEE_LDELEM_I4:
2214                         CHECK_STACK (&td, 2);
2215                         ENSURE_I4 (&td, 1);
2216                         SIMPLE_OP (td, MINT_LDELEM_I4);
2217                         --td.sp;
2218                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2219                         break;
2220                 case CEE_LDELEM_U4:
2221                         CHECK_STACK (&td, 2);
2222                         ENSURE_I4 (&td, 1);
2223                         SIMPLE_OP (td, MINT_LDELEM_U4);
2224                         --td.sp;
2225                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2226                         break;
2227                 case CEE_LDELEM_I8:
2228                         CHECK_STACK (&td, 2);
2229                         ENSURE_I4 (&td, 1);
2230                         SIMPLE_OP (td, MINT_LDELEM_I8);
2231                         --td.sp;
2232                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I8);
2233                         break;
2234                 case CEE_LDELEM_I:
2235                         CHECK_STACK (&td, 2);
2236                         ENSURE_I4 (&td, 1);
2237                         SIMPLE_OP (td, MINT_LDELEM_I);
2238                         --td.sp;
2239                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I);
2240                         break;
2241                 case CEE_LDELEM_R4:
2242                         CHECK_STACK (&td, 2);
2243                         ENSURE_I4 (&td, 1);
2244                         SIMPLE_OP (td, MINT_LDELEM_R4);
2245                         --td.sp;
2246                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_R8);
2247                         break;
2248                 case CEE_LDELEM_R8:
2249                         CHECK_STACK (&td, 2);
2250                         ENSURE_I4 (&td, 1);
2251                         SIMPLE_OP (td, MINT_LDELEM_R8);
2252                         --td.sp;
2253                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_R8);
2254                         break;
2255                 case CEE_LDELEM_REF:
2256                         CHECK_STACK (&td, 2);
2257                         ENSURE_I4 (&td, 1);
2258                         SIMPLE_OP (td, MINT_LDELEM_REF);
2259                         --td.sp;
2260                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_O);
2261                         break;
2262                 case CEE_LDELEM:
2263                         CHECK_STACK (&td, 2);
2264                         token = read32 (td.ip + 1);
2265                         klass = mono_class_get_full (image, token, generic_context);
2266                         switch (mint_type (&klass->byval_arg)) {
2267                                 case MINT_TYPE_I1:
2268                                         ENSURE_I4 (&td, 1);
2269                                         SIMPLE_OP (td, MINT_LDELEM_I1);
2270                                         --td.sp;
2271                                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2272                                         break;
2273                                 case MINT_TYPE_U1:
2274                                         ENSURE_I4 (&td, 1);
2275                                         SIMPLE_OP (td, MINT_LDELEM_U1);
2276                                         --td.sp;
2277                                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2278                                         break;
2279                                 case MINT_TYPE_U2:
2280                                         ENSURE_I4 (&td, 1);
2281                                         SIMPLE_OP (td, MINT_LDELEM_U2);
2282                                         --td.sp;
2283                                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2284                                         break;
2285                                 case MINT_TYPE_I2:
2286                                         ENSURE_I4 (&td, 1);
2287                                         SIMPLE_OP (td, MINT_LDELEM_I2);
2288                                         --td.sp;
2289                                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2290                                         break;
2291                                 case MINT_TYPE_I4:
2292                                         ENSURE_I4 (&td, 1);
2293                                         SIMPLE_OP (td, MINT_LDELEM_I4);
2294                                         --td.sp;
2295                                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2296                                         break;
2297                                 case MINT_TYPE_I8:
2298                                         ENSURE_I4 (&td, 1);
2299                                         SIMPLE_OP (td, MINT_LDELEM_I8);
2300                                         --td.sp;
2301                                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I8);
2302                                         break;
2303                                 case MINT_TYPE_R4:
2304                                         ENSURE_I4 (&td, 1);
2305                                         SIMPLE_OP (td, MINT_LDELEM_R4);
2306                                         --td.sp;
2307                                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_R8);
2308                                         break;
2309                                 case MINT_TYPE_R8:
2310                                         ENSURE_I4 (&td, 1);
2311                                         SIMPLE_OP (td, MINT_LDELEM_R8);
2312                                         --td.sp;
2313                                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_R8);
2314                                         break;
2315                                 case MINT_TYPE_O:
2316                                         ENSURE_I4 (&td, 1);
2317                                         SIMPLE_OP (td, MINT_LDELEM_REF);
2318                                         --td.sp;
2319                                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_O);
2320                                         break;
2321                                 case MINT_TYPE_VT: {
2322                                         int size = mono_class_value_size (klass, NULL);
2323                                         ENSURE_I4 (&td, 1);
2324                                         SIMPLE_OP (td, MINT_LDELEM_VT);
2325                                         ADD_CODE (&td, get_data_item_index (&td, klass));
2326                                         WRITE32 (&td, &size);
2327                                         --td.sp;
2328                                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_VT);
2329                                         PUSH_VT (&td, size);
2330                                         break;
2331                                 }
2332                                 default: {
2333                                         GString *res = g_string_new ("");
2334                                         mono_type_get_desc (res, &klass->byval_arg, TRUE);
2335                                         g_print ("LDELEM: %s -> %d (%s)\n", klass->name, mint_type (&klass->byval_arg), res->str);
2336                                         g_string_free (res, TRUE);
2337                                         g_assert (0);
2338                                         break;
2339                                 }
2340                         }
2341                         td.ip += 4;
2342                         break;
2343                 case CEE_STELEM_I:
2344                         CHECK_STACK (&td, 3);
2345                         ENSURE_I4 (&td, 2);
2346                         SIMPLE_OP (td, MINT_STELEM_I);
2347                         td.sp -= 3;
2348                         break;
2349                 case CEE_STELEM_I1:
2350                         CHECK_STACK (&td, 3);
2351                         ENSURE_I4 (&td, 2);
2352                         SIMPLE_OP (td, MINT_STELEM_I1);
2353                         td.sp -= 3;
2354                         break;
2355                 case CEE_STELEM_I2:
2356                         CHECK_STACK (&td, 3);
2357                         ENSURE_I4 (&td, 2);
2358                         SIMPLE_OP (td, MINT_STELEM_I2);
2359                         td.sp -= 3;
2360                         break;
2361                 case CEE_STELEM_I4:
2362                         CHECK_STACK (&td, 3);
2363                         ENSURE_I4 (&td, 2);
2364                         SIMPLE_OP (td, MINT_STELEM_I4);
2365                         td.sp -= 3;
2366                         break;
2367                 case CEE_STELEM_I8:
2368                         CHECK_STACK (&td, 3);
2369                         ENSURE_I4 (&td, 2);
2370                         SIMPLE_OP (td, MINT_STELEM_I8);
2371                         td.sp -= 3;
2372                         break;
2373                 case CEE_STELEM_R4:
2374                         CHECK_STACK (&td, 3);
2375                         ENSURE_I4 (&td, 2);
2376                         SIMPLE_OP (td, MINT_STELEM_R4);
2377                         td.sp -= 3;
2378                         break;
2379                 case CEE_STELEM_R8:
2380                         CHECK_STACK (&td, 3);
2381                         ENSURE_I4 (&td, 2);
2382                         SIMPLE_OP (td, MINT_STELEM_R8);
2383                         td.sp -= 3;
2384                         break;
2385                 case CEE_STELEM_REF:
2386                         CHECK_STACK (&td, 3);
2387                         ENSURE_I4 (&td, 2);
2388                         SIMPLE_OP (td, MINT_STELEM_REF);
2389                         td.sp -= 3;
2390                         break;
2391                 case CEE_STELEM:
2392                         CHECK_STACK (&td, 3);
2393                         ENSURE_I4 (&td, 2);
2394                         token = read32 (td.ip + 1);
2395                         klass = mono_class_get_full (image, token, generic_context);
2396                         switch (mint_type (&klass->byval_arg)) {
2397                                 case MINT_TYPE_I4:
2398                                         SIMPLE_OP (td, MINT_STELEM_I4);
2399                                         break;
2400                                 case MINT_TYPE_O:
2401                                         SIMPLE_OP (td, MINT_STELEM_REF);
2402                                         break;
2403                                 case MINT_TYPE_VT: {
2404                                         int size = mono_class_value_size (klass, NULL);
2405                                         SIMPLE_OP (td, MINT_STELEM_VT);
2406                                         ADD_CODE (&td, get_data_item_index (&td, klass));
2407                                         WRITE32 (&td, &size);
2408                                         POP_VT (&td, size);
2409                                         break;
2410                                 }
2411                                 default: {
2412                                         GString *res = g_string_new ("");
2413                                         mono_type_get_desc (res, &klass->byval_arg, TRUE);
2414                                         g_print ("STELEM: %s -> %d (%s)\n", klass->name, mint_type (&klass->byval_arg), res->str);
2415                                         g_string_free (res, TRUE);
2416                                         g_assert (0);
2417                                         break;
2418                                 }
2419                         }
2420                         td.ip += 4;
2421                         td.sp -= 3;
2422                         break;
2423 #if 0
2424                 case CEE_CONV_OVF_U1:
2425
2426                 case CEE_CONV_OVF_I8:
2427
2428 #if SIZEOF_VOID_P == 8
2429                 case CEE_CONV_OVF_U:
2430 #endif
2431                 case CEE_REFANYVAL: ves_abort(); break;
2432 #endif
2433                 case CEE_CKFINITE:
2434                         CHECK_STACK (&td, 1);
2435                         SIMPLE_OP (td, MINT_CKFINITE);
2436                         break;
2437                 case CEE_CONV_OVF_I1:
2438                 case CEE_CONV_OVF_I1_UN:
2439                         CHECK_STACK (&td, 1);
2440                         switch (td.sp [-1].type) {
2441                         case STACK_TYPE_R8:
2442                                 ADD_CODE(&td, MINT_CONV_OVF_I1_R8);
2443                                 break;
2444                         case STACK_TYPE_I4:
2445                                 ADD_CODE(&td, MINT_CONV_OVF_I1_I4);
2446                                 break;
2447                         case STACK_TYPE_I8:
2448                                 ADD_CODE(&td, MINT_CONV_OVF_I1_I8);
2449                                 break;
2450                         default:
2451                                 g_assert_not_reached ();
2452                         }
2453                         ++td.ip;
2454                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2455                         break;
2456                 case CEE_CONV_OVF_U1:
2457                 case CEE_CONV_OVF_U1_UN:
2458                         CHECK_STACK (&td, 1);
2459                         switch (td.sp [-1].type) {
2460                         case STACK_TYPE_R8:
2461                                 ADD_CODE(&td, MINT_CONV_OVF_U1_R8);
2462                                 break;
2463                         case STACK_TYPE_I4:
2464                                 ADD_CODE(&td, MINT_CONV_OVF_U1_I4);
2465                                 break;
2466                         case STACK_TYPE_I8:
2467                                 ADD_CODE(&td, MINT_CONV_OVF_U1_I8);
2468                                 break;
2469                         default:
2470                                 g_assert_not_reached ();
2471                         }
2472                         ++td.ip;
2473                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2474                         break;
2475                 case CEE_CONV_OVF_I2:
2476                 case CEE_CONV_OVF_I2_UN:
2477                         CHECK_STACK (&td, 1);
2478                         switch (td.sp [-1].type) {
2479                         case STACK_TYPE_R8:
2480                                 ADD_CODE(&td, MINT_CONV_OVF_I2_R8);
2481                                 break;
2482                         case STACK_TYPE_I4:
2483                                 ADD_CODE(&td, MINT_CONV_OVF_I2_I4);
2484                                 break;
2485                         case STACK_TYPE_I8:
2486                                 ADD_CODE(&td, MINT_CONV_OVF_I2_I8);
2487                                 break;
2488                         default:
2489                                 g_assert_not_reached ();
2490                         }
2491                         ++td.ip;
2492                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2493                         break;
2494                 case CEE_CONV_OVF_U2_UN:
2495                 case CEE_CONV_OVF_U2:
2496                         CHECK_STACK (&td, 1);
2497                         switch (td.sp [-1].type) {
2498                         case STACK_TYPE_R8:
2499                                 ADD_CODE(&td, MINT_CONV_OVF_U2_R8);
2500                                 break;
2501                         case STACK_TYPE_I4:
2502                                 ADD_CODE(&td, MINT_CONV_OVF_U2_I4);
2503                                 break;
2504                         case STACK_TYPE_I8:
2505                                 ADD_CODE(&td, MINT_CONV_OVF_U2_I8);
2506                                 break;
2507                         default:
2508                                 g_assert_not_reached ();
2509                         }
2510                         ++td.ip;
2511                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2512                         break;
2513 #if SIZEOF_VOID_P == 4
2514                 case CEE_CONV_OVF_I:
2515 #endif
2516                 case CEE_CONV_OVF_I4:
2517                 case CEE_CONV_OVF_I4_UN:
2518                         CHECK_STACK (&td, 1);
2519                         switch (td.sp [-1].type) {
2520                         case STACK_TYPE_R8:
2521                                 ADD_CODE(&td, MINT_CONV_OVF_I4_R8);
2522                                 break;
2523                         case STACK_TYPE_I4:
2524                                 if (*td.ip == CEE_CONV_OVF_I4_UN)
2525                                         ADD_CODE(&td, MINT_CONV_OVF_I4_U4);
2526                                 break;
2527                         case STACK_TYPE_I8:
2528                                 ADD_CODE(&td, MINT_CONV_OVF_I4_I8);
2529                                 break;
2530                         default:
2531                                 g_assert_not_reached ();
2532                         }
2533                         ++td.ip;
2534                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2535                         break;
2536 #if SIZEOF_VOID_P == 4
2537                 case CEE_CONV_OVF_U:
2538 #endif
2539                 case CEE_CONV_OVF_U4:
2540                 case CEE_CONV_OVF_U4_UN:
2541                         CHECK_STACK (&td, 1);
2542                         switch (td.sp [-1].type) {
2543                         case STACK_TYPE_R8:
2544                                 ADD_CODE(&td, MINT_CONV_OVF_U4_R8);
2545                                 break;
2546                         case STACK_TYPE_I4:
2547                                 if (*td.ip != CEE_CONV_OVF_U4_UN)
2548                                         ADD_CODE(&td, MINT_CONV_OVF_U4_I4);
2549                                 break;
2550                         case STACK_TYPE_I8:
2551                                 ADD_CODE(&td, MINT_CONV_OVF_U4_I8);
2552                                 break;
2553                         default:
2554                                 g_assert_not_reached ();
2555                         }
2556                         ++td.ip;
2557                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2558                         break;
2559 #if SIZEOF_VOID_P == 8
2560                 case CEE_CONV_OVF_I:
2561 #endif
2562                 case CEE_CONV_OVF_I8:
2563                         CHECK_STACK (&td, 1);
2564                         switch (td.sp [-1].type) {
2565                         case STACK_TYPE_R8:
2566                                 ADD_CODE(&td, MINT_CONV_OVF_I8_R8);
2567                                 break;
2568                         case STACK_TYPE_I4:
2569                                 ADD_CODE(&td, MINT_CONV_I8_I4);
2570                                 break;
2571                         case STACK_TYPE_I8:
2572                                 break;
2573                         default:
2574                                 g_assert_not_reached ();
2575                         }
2576                         ++td.ip;
2577                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I8);
2578                         break;
2579 #if SIZEOF_VOID_P == 8
2580                 case CEE_CONV_OVF_U:
2581 #endif
2582                 case CEE_CONV_OVF_U8:
2583                         CHECK_STACK (&td, 1);
2584                         switch (td.sp [-1].type) {
2585                         case STACK_TYPE_R8:
2586                                 ADD_CODE(&td, MINT_CONV_OVF_U8_R8);
2587                                 break;
2588                         case STACK_TYPE_I4:
2589                                 ADD_CODE(&td, MINT_CONV_OVF_U8_I4);
2590                                 break;
2591                         case STACK_TYPE_I8:
2592                                 break;
2593                         default:
2594                                 g_assert_not_reached ();
2595                         }
2596                         ++td.ip;
2597                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I8);
2598                         break;
2599                 case CEE_LDTOKEN: {
2600                         int size;
2601                         gpointer handle;
2602                         token = read32 (td.ip + 1);
2603                         if (method->wrapper_type == MONO_WRAPPER_DYNAMIC_METHOD || method->wrapper_type == MONO_WRAPPER_SYNCHRONIZED) {
2604                                 handle = mono_method_get_wrapper_data (method, token);
2605                                 klass = (MonoClass *) mono_method_get_wrapper_data (method, token + 1);
2606                                 if (klass == mono_defaults.typehandle_class)
2607                                         handle = &((MonoClass *) handle)->byval_arg;
2608                         } else {
2609                                 handle = mono_ldtoken (image, token, &klass, generic_context);
2610                         }
2611                         mt = mint_type(&klass->byval_arg);
2612                         g_assert (mt == MINT_TYPE_VT);
2613                         size = mono_class_value_size (klass, NULL);
2614                         g_assert (size == sizeof(gpointer));
2615                         PUSH_VT(&td, sizeof(gpointer));
2616                         ADD_CODE(&td, MINT_LDTOKEN);
2617                         ADD_CODE(&td, get_data_item_index (&td, handle));
2618                         PUSH_SIMPLE_TYPE(&td, stack_type [mt]);
2619                         td.ip += 5;
2620                         break;
2621                 }
2622                 case CEE_ADD_OVF:
2623                         binary_arith_op(&td, MINT_ADD_OVF_I4);
2624                         ++td.ip;
2625                         break;
2626                 case CEE_ADD_OVF_UN:
2627                         binary_arith_op(&td, MINT_ADD_OVF_UN_I4);
2628                         ++td.ip;
2629                         break;
2630                 case CEE_MUL_OVF:
2631                         binary_arith_op(&td, MINT_MUL_OVF_I4);
2632                         ++td.ip;
2633                         break;
2634                 case CEE_MUL_OVF_UN:
2635                         binary_arith_op(&td, MINT_MUL_OVF_UN_I4);
2636                         ++td.ip;
2637                         break;
2638                 case CEE_SUB_OVF:
2639                         binary_arith_op(&td, MINT_SUB_OVF_I4);
2640                         ++td.ip;
2641                         break;
2642                 case CEE_SUB_OVF_UN:
2643                         binary_arith_op(&td, MINT_SUB_OVF_UN_I4);
2644                         ++td.ip;
2645                         break;
2646                 case CEE_ENDFINALLY:
2647                         SIMPLE_OP (td, MINT_ENDFINALLY);
2648                         generating_code = 0;
2649                         break;
2650                 case CEE_LEAVE:
2651                         td.sp = td.stack;
2652                         handle_branch (&td, MINT_LEAVE_S, MINT_LEAVE, 5 + read32 (td.ip + 1));
2653                         td.ip += 5;
2654                         generating_code = 0;
2655                         break;
2656                 case CEE_LEAVE_S:
2657                         td.sp = td.stack;
2658                         handle_branch (&td, MINT_LEAVE_S, MINT_LEAVE, 2 + (gint8)td.ip [1]);
2659                         td.ip += 2;
2660                         generating_code = 0;
2661                         break;
2662                 case CEE_UNUSED41:
2663                         ++td.ip;
2664                         switch (*td.ip) {
2665                                 case CEE_MONO_CALLI_EXTRA_ARG:
2666                                         /* Same as CEE_CALLI, except that we drop the extra arg required for llvm specific behaviour */
2667                                         ADD_CODE (&td, MINT_POP);
2668                                         ADD_CODE (&td, 1);
2669                                         --td.sp;
2670                                         interp_transform_call (&td, method, NULL, domain, generic_context, is_bb_start, body_start_offset, NULL);
2671                                         break;
2672                                 case CEE_MONO_JIT_ICALL_ADDR: {
2673                                         guint32 token;
2674                                         gpointer func;
2675                                         MonoJitICallInfo *info;
2676
2677                                         token = read32 (td.ip + 1);
2678                                         td.ip += 5;
2679                                         func = mono_method_get_wrapper_data (method, token);
2680                                         info = mono_find_jit_icall_by_addr (func);
2681
2682                                         ADD_CODE (&td, MINT_LDFTN);
2683                                         ADD_CODE (&td, get_data_item_index (&td, func));
2684                                         PUSH_SIMPLE_TYPE (&td, STACK_TYPE_I);
2685                                         break;
2686                                 }
2687                                 case CEE_MONO_ICALL: {
2688                                         guint32 token;
2689                                         gpointer func;
2690                                         MonoJitICallInfo *info;
2691
2692                                         token = read32 (td.ip + 1);
2693                                         td.ip += 5;
2694                                         func = mono_method_get_wrapper_data (method, token);
2695                                         info = mono_find_jit_icall_by_addr (func);
2696                                         g_assert (info);
2697
2698                                         CHECK_STACK (&td, info->sig->param_count);
2699                                         switch (info->sig->param_count) {
2700                                         case 0:
2701                                                 if (MONO_TYPE_IS_VOID (info->sig->ret))
2702                                                         ADD_CODE (&td,MINT_ICALL_V_V);
2703                                                 else
2704                                                         ADD_CODE (&td, MINT_ICALL_V_P);
2705                                                 break;
2706                                         case 1:
2707                                                 if (MONO_TYPE_IS_VOID (info->sig->ret))
2708                                                         ADD_CODE (&td,MINT_ICALL_P_V);
2709                                                 else
2710                                                         ADD_CODE (&td,MINT_ICALL_P_P);
2711                                                 break;
2712                                         case 2:
2713                                                 if (MONO_TYPE_IS_VOID (info->sig->ret)) {
2714                                                         if (info->sig->params [1]->type == MONO_TYPE_I4)
2715                                                                 ADD_CODE (&td,MINT_ICALL_PI_V);
2716                                                         else
2717                                                                 ADD_CODE (&td,MINT_ICALL_PP_V);
2718                                                 } else {
2719                                                         if (info->sig->params [1]->type == MONO_TYPE_I4)
2720                                                                 ADD_CODE (&td,MINT_ICALL_PI_P);
2721                                                         else
2722                                                                 ADD_CODE (&td,MINT_ICALL_PP_P);
2723                                                 }
2724                                                 break;
2725                                         case 3:
2726                                                 g_assert (MONO_TYPE_IS_VOID (info->sig->ret));
2727                                                 if (info->sig->params [2]->type == MONO_TYPE_I4)
2728                                                         ADD_CODE (&td,MINT_ICALL_PPI_V);
2729                                                 else
2730                                                         ADD_CODE (&td,MINT_ICALL_PPP_V);
2731                                                 break;
2732                                         default:
2733                                                 g_assert_not_reached ();
2734                                         }
2735
2736                                         if (func == mono_ftnptr_to_delegate) {
2737                                                 g_error ("TODO: ?");
2738                                         }
2739                                         ADD_CODE(&td, get_data_item_index (&td, func));
2740                                         td.sp -= info->sig->param_count;
2741
2742                                         if (!MONO_TYPE_IS_VOID (info->sig->ret)) {
2743                                                 td.sp ++;
2744                                                 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I);
2745                                         }
2746                                         break;
2747                                 }
2748                         case CEE_MONO_VTADDR: {
2749                                 int size;
2750                                 CHECK_STACK (&td, 1);
2751                                 if (method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE)
2752                                         size = mono_class_native_size(td.sp [-1].klass, NULL);
2753                                 else
2754                                         size = mono_class_value_size(td.sp [-1].klass, NULL);
2755                                 size = (size + 7) & ~7;
2756                                 ADD_CODE(&td, MINT_VTRESULT);
2757                                 ADD_CODE(&td, 0);
2758                                 WRITE32(&td, &size);
2759                                 td.vt_sp -= size;
2760                                 ++td.ip;
2761                                 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_MP);
2762                                 break;
2763                         }
2764                         case CEE_MONO_LDPTR:
2765                         case CEE_MONO_CLASSCONST:
2766                                 token = read32 (td.ip + 1);
2767                                 td.ip += 5;
2768                                 ADD_CODE(&td, MINT_MONO_LDPTR);
2769                                 ADD_CODE(&td, get_data_item_index (&td, mono_method_get_wrapper_data (method, token)));
2770                                 td.sp [0].type = STACK_TYPE_I;
2771                                 ++td.sp;
2772                                 break;
2773                         case CEE_MONO_OBJADDR:
2774                                 CHECK_STACK (&td, 1);
2775                                 ++td.ip;
2776                                 td.sp[-1].type = STACK_TYPE_MP;
2777                                 /* do nothing? */
2778                                 break;
2779                         case CEE_MONO_NEWOBJ:
2780                                 token = read32 (td.ip + 1);
2781                                 td.ip += 5;
2782                                 ADD_CODE(&td, MINT_MONO_NEWOBJ);
2783                                 ADD_CODE(&td, get_data_item_index (&td, mono_method_get_wrapper_data (method, token)));
2784                                 td.sp [0].type = STACK_TYPE_O;
2785                                 ++td.sp;
2786                                 break;
2787                         case CEE_MONO_RETOBJ:
2788                                 CHECK_STACK (&td, 1);
2789                                 token = read32 (td.ip + 1);
2790                                 td.ip += 5;
2791                                 ADD_CODE(&td, MINT_MONO_RETOBJ);
2792                                 td.sp--;
2793
2794                                 klass = (MonoClass *)mono_method_get_wrapper_data (method, token);
2795
2796                                 /*stackval_from_data (signature->ret, frame->retval, sp->data.vt, signature->pinvoke);*/
2797
2798                                 if (td.sp > td.stack)
2799                                         g_warning ("CEE_MONO_RETOBJ: more values on stack: %d", td.sp-td.stack);
2800                                 break;
2801                         case CEE_MONO_LDNATIVEOBJ:
2802                                 token = read32 (td.ip + 1);
2803                                 td.ip += 5;
2804                                 klass = (MonoClass *)mono_method_get_wrapper_data (method, token);
2805                                 g_assert(klass->valuetype);
2806                                 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_MP);
2807                                 break;
2808                         case CEE_MONO_SAVE_LMF:
2809                         case CEE_MONO_RESTORE_LMF:
2810                         case CEE_MONO_NOT_TAKEN:
2811                                 ++td.ip;
2812                                 break;
2813                         case CEE_MONO_LDPTR_INT_REQ_FLAG:
2814                                 ADD_CODE (&td, MINT_MONO_LDPTR);
2815                                 ADD_CODE (&td, get_data_item_index (&td, mono_thread_interruption_request_flag ()));
2816                                 PUSH_TYPE (&td, STACK_TYPE_MP, NULL);
2817                                 ++td.ip;
2818                                 break;
2819                         default:
2820                                 g_error ("transform.c: Unimplemented opcode: 0xF0 %02x at 0x%x\n", *td.ip, td.ip-header->code);
2821                         }
2822                         break;
2823 #if 0
2824                 case CEE_PREFIX7:
2825                 case CEE_PREFIX6:
2826                 case CEE_PREFIX5:
2827                 case CEE_PREFIX4:
2828                 case CEE_PREFIX3:
2829                 case CEE_PREFIX2:
2830                 case CEE_PREFIXREF: ves_abort(); break;
2831 #endif
2832                 /*
2833                  * Note: Exceptions thrown when executing a prefixed opcode need
2834                  * to take into account the number of prefix bytes (usually the
2835                  * throw point is just (ip - n_prefix_bytes).
2836                  */
2837                 case CEE_PREFIX1:
2838                         ++td.ip;
2839                         switch (*td.ip) {
2840 #if 0
2841                         case CEE_ARGLIST: ves_abort(); break;
2842 #endif
2843                         case CEE_CEQ:
2844                                 CHECK_STACK(&td, 2);
2845                                 if (td.sp [-1].type == STACK_TYPE_O || td.sp [-1].type == STACK_TYPE_MP)
2846                                         ADD_CODE(&td, MINT_CEQ_I4 + STACK_TYPE_I - STACK_TYPE_I4);
2847                                 else
2848                                         ADD_CODE(&td, MINT_CEQ_I4 + td.sp [-1].type - STACK_TYPE_I4);
2849                                 --td.sp;
2850                                 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2851                                 ++td.ip;
2852                                 break;
2853                         case CEE_CGT:
2854                                 CHECK_STACK(&td, 2);
2855                                 if (td.sp [-1].type == STACK_TYPE_O || td.sp [-1].type == STACK_TYPE_MP)
2856                                         ADD_CODE(&td, MINT_CGT_I4 + STACK_TYPE_I - STACK_TYPE_I4);
2857                                 else
2858                                         ADD_CODE(&td, MINT_CGT_I4 + td.sp [-1].type - STACK_TYPE_I4);
2859                                 --td.sp;
2860                                 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2861                                 ++td.ip;
2862                                 break;
2863                         case CEE_CGT_UN:
2864                                 CHECK_STACK(&td, 2);
2865                                 if (td.sp [-1].type == STACK_TYPE_O || td.sp [-1].type == STACK_TYPE_MP)
2866                                         ADD_CODE(&td, MINT_CGT_UN_I4 + STACK_TYPE_I - STACK_TYPE_I4);
2867                                 else
2868                                         ADD_CODE(&td, MINT_CGT_UN_I4 + td.sp [-1].type - STACK_TYPE_I4);
2869                                 --td.sp;
2870                                 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2871                                 ++td.ip;
2872                                 break;
2873                         case CEE_CLT:
2874                                 CHECK_STACK(&td, 2);
2875                                 if (td.sp [-1].type == STACK_TYPE_O || td.sp [-1].type == STACK_TYPE_MP)
2876                                         ADD_CODE(&td, MINT_CLT_I4 + STACK_TYPE_I - STACK_TYPE_I4);
2877                                 else
2878                                         ADD_CODE(&td, MINT_CLT_I4 + td.sp [-1].type - STACK_TYPE_I4);
2879                                 --td.sp;
2880                                 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2881                                 ++td.ip;
2882                                 break;
2883                         case CEE_CLT_UN:
2884                                 CHECK_STACK(&td, 2);
2885                                 if (td.sp [-1].type == STACK_TYPE_O || td.sp [-1].type == STACK_TYPE_MP)
2886                                         ADD_CODE(&td, MINT_CLT_UN_I4 + STACK_TYPE_I - STACK_TYPE_I4);
2887                                 else
2888                                         ADD_CODE(&td, MINT_CLT_UN_I4 + td.sp [-1].type - STACK_TYPE_I4);
2889                                 --td.sp;
2890                                 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2891                                 ++td.ip;
2892                                 break;
2893                         case CEE_LDVIRTFTN: /* fallthrough */
2894                         case CEE_LDFTN: {
2895                                 MonoMethod *m;
2896                                 if (*td.ip == CEE_LDVIRTFTN) {
2897                                         CHECK_STACK (&td, 1);
2898                                         --td.sp;
2899                                 }
2900                                 token = read32 (td.ip + 1);
2901                                 if (method->wrapper_type != MONO_WRAPPER_NONE)
2902                                         m = (MonoMethod *)mono_method_get_wrapper_data (method, token);
2903                                 else
2904                                         m = mono_get_method_full (image, token, NULL, generic_context);
2905
2906                                 if (method->wrapper_type == MONO_WRAPPER_NONE && m->iflags & METHOD_IMPL_ATTRIBUTE_SYNCHRONIZED)
2907                                         m = mono_marshal_get_synchronized_wrapper (m);
2908
2909                                 ADD_CODE(&td, *td.ip == CEE_LDFTN ? MINT_LDFTN : MINT_LDVIRTFTN);
2910                                 ADD_CODE(&td, get_data_item_index (&td, mono_interp_get_runtime_method (domain, m, &error)));
2911                                 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
2912                                 td.ip += 5;
2913                                 PUSH_SIMPLE_TYPE (&td, STACK_TYPE_F);
2914                                 break;
2915                         }
2916                         case CEE_LDARG:
2917                                 load_arg (&td, read16 (td.ip + 1));
2918                                 td.ip += 3;
2919                                 break;
2920                         case CEE_LDARGA: {
2921                                 int n = read16 (td.ip + 1);
2922                                 if (n == 0 && signature->hasthis) {
2923                                         g_error ("LDTHISA: NOPE");
2924                                         ADD_CODE(&td, MINT_LDTHISA);
2925                                 }
2926                                 else {
2927                                         ADD_CODE(&td, MINT_LDARGA);
2928                                         ADD_CODE(&td, td.rtm->arg_offsets [n]); /* FIX for large offsets */
2929                                 }
2930                                 PUSH_SIMPLE_TYPE(&td, STACK_TYPE_MP);
2931                                 td.ip += 3;
2932                                 break;
2933                         }
2934                         case CEE_STARG:
2935                                 store_arg (&td, read16 (td.ip + 1));
2936                                 td.ip += 3;
2937                                 break;
2938                         case CEE_LDLOC:
2939                                 load_local (&td, read16 (td.ip + 1));
2940                                 td.ip += 3;
2941                                 break;
2942                         case CEE_LDLOCA:
2943                                 ADD_CODE(&td, MINT_LDLOCA_S);
2944                                 ADD_CODE(&td, td.rtm->local_offsets [read16 (td.ip + 1)]);
2945                                 PUSH_SIMPLE_TYPE(&td, STACK_TYPE_MP);
2946                                 td.ip += 3;
2947                                 break;
2948                         case CEE_STLOC:
2949                                 store_local (&td, read16 (td.ip + 1));
2950                                 td.ip += 3;
2951                                 break;
2952                         case CEE_LOCALLOC:
2953                                 CHECK_STACK (&td, 1);
2954 #if SIZEOF_VOID_P == 8
2955                                 if (td.sp [-1].type == STACK_TYPE_I8)
2956                                         ADD_CODE(&td, MINT_CONV_I4_I8);
2957 #endif
2958                                 ADD_CODE(&td, MINT_LOCALLOC);
2959                                 if (td.sp != td.stack + 1)
2960                                         g_warning("CEE_LOCALLOC: stack not empty");
2961                                 ++td.ip;
2962                                 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_MP);
2963                                 break;
2964 #if 0
2965                         case CEE_UNUSED57: ves_abort(); break;
2966                         case CEE_ENDFILTER: ves_abort(); break;
2967 #endif
2968                         case CEE_UNALIGNED_:
2969                                 ++td.ip;
2970                                 /* FIX: should do something? */;
2971                                 break;
2972                         case CEE_VOLATILE_:
2973                                 ++td.ip;
2974                                 /* FIX: should do something? */;
2975                                 break;
2976                         case CEE_TAIL_:
2977                                 ++td.ip;
2978                                 /* FIX: should do something? */;
2979                                 break;
2980                         case CEE_INITOBJ:
2981                                 CHECK_STACK(&td, 1);
2982                                 token = read32 (td.ip + 1);
2983                                 klass = mono_class_get_full (image, token, generic_context);
2984                                 ADD_CODE(&td, MINT_INITOBJ);
2985                                 i32 = mono_class_value_size (klass, NULL);
2986                                 WRITE32(&td, &i32);
2987                                 td.ip += 5;
2988                                 --td.sp;
2989                                 break;
2990                         case CEE_CPBLK:
2991                                 CHECK_STACK(&td, 3);
2992                                 /* FIX? convert length to I8? */
2993                                 ADD_CODE(&td, MINT_CPBLK);
2994                                 td.sp -= 3;
2995                                 ++td.ip;
2996                                 break;
2997                         case CEE_CONSTRAINED_:
2998                                 token = read32 (td.ip + 1);
2999                                 constrained_class = mono_class_get_full (image, token, generic_context);
3000                                 mono_class_init (constrained_class);
3001                                 td.ip += 5;
3002                                 break;
3003                         case CEE_INITBLK:
3004                                 CHECK_STACK(&td, 3);
3005                                 ADD_CODE(&td, MINT_INITBLK);
3006                                 td.sp -= 3;
3007                                 break;
3008 #if 0
3009                         case CEE_NO_:
3010                                 /* FIXME: implement */
3011                                 ip += 2;
3012                                 break;
3013 #endif
3014                         case CEE_RETHROW:
3015                                 SIMPLE_OP (td, MINT_RETHROW);
3016                                 generating_code = 0;
3017                                 break;
3018                         case CEE_SIZEOF: {
3019                                 gint32 size;
3020                                 token = read32 (td.ip + 1);
3021                                 td.ip += 5;
3022                                 if (mono_metadata_token_table (token) == MONO_TABLE_TYPESPEC) {
3023                                         int align;
3024                                         MonoType *type = mono_type_create_from_typespec (image, token);
3025                                         size = mono_type_size (type, &align);
3026                                 } else {
3027                                         guint32 align;
3028                                         MonoClass *szclass = mono_class_get_full (image, token, generic_context);
3029                                         mono_class_init (szclass);
3030 #if 0
3031                                         if (!szclass->valuetype)
3032                                                 THROW_EX (mono_exception_from_name (mono_defaults.corlib, "System", "InvalidProgramException"), ip - 5);
3033 #endif
3034                                         size = mono_class_value_size (szclass, &align);
3035                                 }
3036                                 ADD_CODE(&td, MINT_LDC_I4);
3037                                 WRITE32(&td, &size);
3038                                 PUSH_SIMPLE_TYPE(&td, STACK_TYPE_I4);
3039                                 break;
3040                         }
3041 #if 0
3042                         case CEE_REFANYTYPE: ves_abort(); break;
3043 #endif
3044                         default:
3045                                 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);
3046                         }
3047                         break;
3048                 default:
3049                         g_error ("transform.c: Unimplemented opcode: %02x at 0x%x\n", *td.ip, td.ip-header->code);
3050                 }
3051
3052                 if (td.new_ip - td.new_code != new_in_start_offset)
3053                         td.last_new_ip = td.new_code + new_in_start_offset;
3054                 else if (td.is_bb_start [td.in_start - td.il_code])
3055                         td.is_bb_start [td.ip - td.il_code] = 1;
3056
3057                 td.last_ip = td.in_start;
3058         }
3059
3060         if (mono_interp_traceopt) {
3061                 const guint16 *p = td.new_code;
3062                 printf("Runtime method: %p, VT stack size: %d\n", rtm, td.max_vt_sp);
3063                 printf("Calculated stack size: %d, stated size: %d\n", td.max_stack_height, header->max_stack);
3064                 while (p < td.new_ip) {
3065                         p = mono_interp_dis_mintop(td.new_code, p);
3066                         printf("\n");
3067                 }
3068         }
3069
3070         rtm->clauses = mono_mempool_alloc (domain->mp, header->num_clauses * sizeof(MonoExceptionClause));
3071         memcpy (rtm->clauses, header->clauses, header->num_clauses * sizeof(MonoExceptionClause));
3072         rtm->code = mono_mempool_alloc (domain->mp, (td.new_ip - td.new_code) * sizeof(gushort));
3073         memcpy (rtm->code, td.new_code, (td.new_ip - td.new_code) * sizeof(gushort));
3074         g_free (td.new_code);
3075         rtm->new_body_start = rtm->code + body_start_offset;
3076         rtm->num_clauses = header->num_clauses;
3077         for (i = 0; i < header->num_clauses; i++) {
3078                 MonoExceptionClause *c = rtm->clauses + i;
3079                 int end_off = c->try_offset + c->try_len;
3080                 c->try_offset = td.in_offsets [c->try_offset];
3081                 c->try_len = td.in_offsets [end_off] - c->try_offset;
3082                 end_off = c->handler_offset + c->handler_len;
3083                 c->handler_offset = td.in_offsets [c->handler_offset];
3084                 c->handler_len = td.in_offsets [end_off] - c->handler_offset;
3085         }
3086         rtm->vt_stack_size = td.max_vt_sp;
3087         rtm->alloca_size = rtm->locals_size + rtm->args_size + rtm->vt_stack_size + rtm->stack_size;
3088         rtm->data_items = mono_mempool_alloc (domain->mp, td.n_data_items * sizeof (td.data_items [0]));
3089         memcpy (rtm->data_items, td.data_items, td.n_data_items * sizeof (td.data_items [0]));
3090         g_free (td.in_offsets);
3091         g_free (td.forward_refs);
3092         for (i = 0; i < header->code_size; ++i)
3093                 g_free (td.stack_state [i]);
3094         g_free (td.stack_state);
3095         g_free (td.stack_height);
3096         g_free (td.vt_stack_size);
3097         g_free (td.data_items);
3098         g_hash_table_destroy (td.data_hash);
3099 }
3100
3101 static mono_mutex_t calc_section;
3102
3103 void
3104 mono_interp_transform_init (void)
3105 {
3106         mono_os_mutex_init_recursive(&calc_section);
3107 }
3108
3109 MonoException *
3110 mono_interp_transform_method (RuntimeMethod *runtime_method, ThreadContext *context)
3111 {
3112         int i, align, size, offset;
3113         MonoMethod *method = runtime_method->method;
3114         MonoImage *image = method->klass->image;
3115         MonoMethodHeader *header = mono_method_get_header (method);
3116         MonoMethodSignature *signature = mono_method_signature (method);
3117         register const unsigned char *ip, *end;
3118         const MonoOpcode *opcode;
3119         MonoMethod *m;
3120         MonoClass *class;
3121         MonoDomain *domain = mono_domain_get ();
3122         unsigned char *is_bb_start;
3123         int in;
3124         MonoVTable *method_class_vt;
3125         int backwards;
3126         MonoGenericContext *generic_context = NULL;
3127
3128         // g_printerr ("TRANSFORM(0x%016lx): begin %s::%s\n", mono_thread_current (), method->klass->name, method->name);
3129         method_class_vt = mono_class_vtable (domain, runtime_method->method->klass);
3130         if (!method_class_vt->initialized) {
3131                 jmp_buf env;
3132                 MonoInvocation *last_env_frame = context->env_frame;
3133                 jmp_buf *old_env = context->current_env;
3134
3135                 if (setjmp(env)) {
3136                         MonoException *failed = context->env_frame->ex;
3137                         context->env_frame->ex = NULL;
3138                         context->env_frame = last_env_frame;
3139                         context->current_env = old_env;
3140                         return failed;
3141                 }
3142                 context->env_frame = context->current_frame;
3143                 context->current_env = &env;
3144                 mono_runtime_class_init (method_class_vt);
3145                 context->env_frame = last_env_frame;
3146                 context->current_env = old_env;
3147         }
3148
3149         mono_profiler_method_jit (method); /* sort of... */
3150
3151         if (mono_method_signature (method)->is_inflated)
3152                 generic_context = mono_method_get_context (method);
3153         else {
3154                 MonoGenericContainer *generic_container = mono_method_get_generic_container (method);
3155                 if (generic_container)
3156                         generic_context = &generic_container->context;
3157         }
3158
3159         if (method->iflags & (METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL | METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
3160                 MonoMethod *nm = NULL;
3161                 mono_os_mutex_lock(&calc_section);
3162                 if (runtime_method->transformed) {
3163                         mono_os_mutex_unlock(&calc_section);
3164                         g_error ("FIXME: no jit info?");
3165                         mono_profiler_method_end_jit (method, NULL, MONO_PROFILE_OK);
3166                         return NULL;
3167                 }
3168
3169                 /* assumes all internal calls with an array this are built in... */
3170                 if (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL && (! mono_method_signature (method)->hasthis || method->klass->rank == 0)) {
3171                         nm = mono_marshal_get_native_wrapper (method, TRUE, FALSE);
3172                         signature = mono_method_signature (nm);
3173                 } else {
3174                         const char *name = method->name;
3175                         if (method->klass->parent == mono_defaults.multicastdelegate_class) {
3176                                 if (*name == '.' && (strcmp (name, ".ctor") == 0)) {
3177                                         MonoJitICallInfo *mi = mono_find_jit_icall_by_name ("ves_icall_mono_delegate_ctor");
3178                                         g_assert (mi);
3179                                         char *wrapper_name = g_strdup_printf ("__icall_wrapper_%s", mi->name);
3180                                         nm = mono_marshal_get_icall_wrapper (mi->sig, wrapper_name, mi->func, TRUE);
3181                                 } else if (*name == 'I' && (strcmp (name, "Invoke") == 0)) {
3182                                         nm = mono_marshal_get_delegate_invoke (method, NULL);
3183                                 } else if (*name == 'B' && (strcmp (name, "BeginInvoke") == 0)) {
3184                                         nm = mono_marshal_get_delegate_begin_invoke (method);
3185                                 } else if (*name == 'E' && (strcmp (name, "EndInvoke") == 0)) {
3186                                         nm = mono_marshal_get_delegate_end_invoke (method);
3187                                 }
3188                         }
3189                         if (nm == NULL) {
3190                                 runtime_method->code = g_malloc(sizeof(short));
3191                                 runtime_method->code[0] = MINT_CALLRUN;
3192                         }
3193                 }
3194                 if (nm == NULL) {
3195                         runtime_method->stack_size = sizeof (stackval); /* for tracing */
3196                         runtime_method->alloca_size = runtime_method->stack_size;
3197                         runtime_method->transformed = TRUE;
3198                         mono_os_mutex_unlock(&calc_section);
3199                         mono_profiler_method_end_jit (method, NULL, MONO_PROFILE_OK);
3200                         return NULL;
3201                 }
3202                 method = nm;
3203                 header = mono_method_get_header (nm);
3204                 mono_os_mutex_unlock(&calc_section);
3205         }
3206         g_assert ((signature->param_count + signature->hasthis) < 1000);
3207         g_assert (header->max_stack < 10000);
3208         /* intern the strings in the method. */
3209         ip = header->code;
3210         end = ip + header->code_size;
3211
3212         is_bb_start = g_malloc0(header->code_size);
3213         is_bb_start [0] = 1;
3214         while (ip < end) {
3215                 in = *ip;
3216                 if (in == 0xfe) {
3217                         ip++;
3218                         in = *ip + 256;
3219                 }
3220                 else if (in == 0xf0) {
3221                         ip++;
3222                         in = *ip + MONO_CEE_MONO_ICALL;
3223                 }
3224                 opcode = &mono_opcodes [in];
3225                 switch (opcode->argument) {
3226                 case MonoInlineNone:
3227                         ++ip;
3228                         break;
3229                 case MonoInlineString:
3230                         if (method->wrapper_type == MONO_WRAPPER_NONE)
3231                                 mono_ldstr (domain, image, mono_metadata_token_index (read32 (ip + 1)));
3232                         ip += 5;
3233                         break;
3234                 case MonoInlineType:
3235                         if (method->wrapper_type == MONO_WRAPPER_NONE) {
3236                                 class = mono_class_get_full (image, read32 (ip + 1), generic_context);
3237                                 mono_class_init (class);
3238                                 /* quick fix to not do this for the fake ptr classes - probably should not be getting the vtable at all here */
3239 #if 0
3240                                 g_error ("FIXME: interface method lookup: %s (in method %s)", class->name, method->name);
3241                                 if (!(class->flags & TYPE_ATTRIBUTE_INTERFACE) && class->interface_offsets != NULL)
3242                                         mono_class_vtable (domain, class);
3243 #endif
3244                         }
3245                         ip += 5;
3246                         break;
3247                 case MonoInlineMethod:
3248                         if (method->wrapper_type == MONO_WRAPPER_NONE && *ip != CEE_CALLI) {
3249                                 m = mono_get_method_full (image, read32 (ip + 1), NULL, generic_context);
3250                                 if (m == NULL) {
3251                                         g_free (is_bb_start);
3252                                         g_error ("FIXME: where to get method and class string?");
3253                                         return NULL;
3254                                         // return mono_get_exception_missing_method ();
3255                                 }
3256                                 mono_class_init (m->klass);
3257                                 if (!mono_class_is_interface (m->klass))
3258                                         mono_class_vtable (domain, m->klass);
3259                         }
3260                         ip += 5;
3261                         break;
3262                 case MonoInlineField:
3263                 case MonoInlineSig:
3264                 case MonoInlineI:
3265                 case MonoInlineTok:
3266                 case MonoShortInlineR:
3267                         ip += 5;
3268                         break;
3269                 case MonoInlineBrTarget:
3270                         offset = read32 (ip + 1);
3271                         ip += 5;
3272                         backwards = offset < 0;
3273                         offset += ip - header->code;
3274                         g_assert (offset >= 0 && offset < header->code_size);
3275                         is_bb_start [offset] |= backwards ? 2 : 1;
3276                         break;
3277                 case MonoShortInlineBrTarget:
3278                         offset = ((gint8 *)ip) [1];
3279                         ip += 2;
3280                         backwards = offset < 0;
3281                         offset += ip - header->code;
3282                         g_assert (offset >= 0 && offset < header->code_size);
3283                         is_bb_start [offset] |= backwards ? 2 : 1;
3284                         break;
3285                 case MonoInlineVar:
3286                         ip += 3;
3287                         break;
3288                 case MonoShortInlineVar:
3289                 case MonoShortInlineI:
3290                         ip += 2;
3291                         break;
3292                 case MonoInlineSwitch: {
3293                         guint32 n;
3294                         const unsigned char *next_ip;
3295                         ++ip;
3296                         n = read32 (ip);
3297                         ip += 4;
3298                         next_ip = ip + 4 * n;
3299                         for (i = 0; i < n; i++) {
3300                                 offset = read32 (ip);
3301                                 backwards = offset < 0;
3302                                 offset += next_ip - header->code;
3303                                 g_assert (offset >= 0 && offset < header->code_size);
3304                                 is_bb_start [offset] |= backwards ? 2 : 1;
3305                                 ip += 4;
3306                         }
3307                         break;
3308                 }
3309                 case MonoInlineR:
3310                 case MonoInlineI8:
3311                         ip += 9;
3312                         break;
3313                 default:
3314                         g_assert_not_reached ();
3315                 }
3316         }
3317         // g_printerr ("TRANSFORM(0x%016lx): end %s::%s\n", mono_thread_current (), method->klass->name, method->name);
3318
3319         /* the rest needs to be locked so it is only done once */
3320         mono_os_mutex_lock(&calc_section);
3321         if (runtime_method->transformed) {
3322                 mono_os_mutex_unlock(&calc_section);
3323                 g_free (is_bb_start);
3324                 mono_profiler_method_end_jit (method, NULL, MONO_PROFILE_OK);
3325                 return NULL;
3326         }
3327
3328         runtime_method->local_offsets = g_malloc (header->num_locals * sizeof(guint32));
3329         runtime_method->stack_size = (sizeof (stackval) + 2) * header->max_stack; /* + 1 for returns of called functions  + 1 for 0-ing in trace*/
3330         runtime_method->stack_size = (runtime_method->stack_size + 7) & ~7;
3331         offset = 0;
3332         for (i = 0; i < header->num_locals; ++i) {
3333                 size = mono_type_size (header->locals [i], &align);
3334                 offset += align - 1;
3335                 offset &= ~(align - 1);
3336                 runtime_method->local_offsets [i] = offset;
3337                 offset += size;
3338         }
3339         offset = (offset + 7) & ~7;
3340         runtime_method->locals_size = offset;
3341         g_assert (runtime_method->locals_size < 65536);
3342         offset = 0;
3343         runtime_method->arg_offsets = g_malloc ((!!signature->hasthis + signature->param_count) * sizeof(guint32));
3344
3345         if (signature->hasthis) {
3346                 g_assert (!signature->pinvoke);
3347                 size = mono_type_stack_size (&method->klass->byval_arg, &align);
3348                 offset += align - 1;
3349                 offset &= ~(align - 1);
3350                 runtime_method->arg_offsets [0] = offset;
3351                 offset += size;
3352         }
3353
3354         for (i = 0; i < signature->param_count; ++i) {
3355                 if (signature->pinvoke) {
3356                         guint32 dummy;
3357                         size = mono_type_native_stack_size (signature->params [i], &dummy);
3358                         align = 8;
3359                 }
3360                 else
3361                         size = mono_type_stack_size (signature->params [i], &align);
3362                 offset += align - 1;
3363                 offset &= ~(align - 1);
3364                 runtime_method->arg_offsets [i + !!signature->hasthis] = offset;
3365                 offset += size;
3366         }
3367         offset = (offset + 7) & ~7;
3368         runtime_method->args_size = offset;
3369         g_assert (runtime_method->args_size < 10000);
3370
3371         generate (method, runtime_method, is_bb_start, generic_context);
3372
3373         g_free (is_bb_start);
3374
3375         mono_profiler_method_end_jit (method, NULL, MONO_PROFILE_OK);
3376         runtime_method->transformed = TRUE;
3377         mono_os_mutex_unlock(&calc_section);
3378
3379         return NULL;
3380 }
3381