mono/mini/interpreter/transform.c

   1 /*
   2  * transform CIL into different opcodes for more
   3  * efficient interpretation
   4  *
   5  * Written by Bernie Solomon (bernard@ugsolutions.com)
   6  * Copyright (c) 2004.
   7  */
   8
   9 #include <string.h>
  10 #include <mono/metadata/appdomain.h>
  11 #include <mono/metadata/debug-helpers.h>
  12 #include <mono/metadata/exception.h>
  13 #include <mono/metadata/mono-endian.h>
  14 #include <mono/metadata/marshal.h>
  15 #include <mono/metadata/profiler-private.h>
  16 #include <mono/metadata/tabledefs.h>
  17
  18 #include <mono/mini/mini.h>
  19
  20 #include "mintops.h"
  21 #include "interp-internals.h"
  22 #include "interp.h"
  23
  24 // TODO: export from marshal.c
  25 MonoDelegate* mono_ftnptr_to_delegate (MonoClass *klass, gpointer ftn);
  26
  27 #define DEBUG 0
  28
  29 typedef struct
  30 {
  31         MonoClass *klass;
  32         unsigned char type;
  33         unsigned char flags;
  34 } StackInfo;
  35
  36 typedef struct
  37 {
  38         MonoMethod *method;
  39         MonoMethodHeader *header;
  40         RuntimeMethod *rtm;
  41         const unsigned char *il_code;
  42         const unsigned char *ip;
  43         const unsigned char *last_ip;
  44         const unsigned char *in_start;
  45         int code_size;
  46         int *in_offsets;
  47         int *forward_refs;
  48         StackInfo **stack_state;
  49         int *stack_height;
  50         int *vt_stack_size;
  51         unsigned char *is_bb_start;
  52         unsigned short *new_code;
  53         unsigned short *new_code_end;
  54         unsigned short *new_ip;
  55         unsigned short *last_new_ip;
  56         unsigned int max_code_size;
  57         StackInfo *stack;
  58         StackInfo *sp;
  59         unsigned int max_stack_height;
  60         unsigned int vt_sp;
  61         unsigned int max_vt_sp;
  62         int n_data_items;
  63         int max_data_items;
  64         void **data_items;
  65         GHashTable *data_hash;
  66 } TransformData;
  67
  68 #define MINT_TYPE_I1 0
  69 #define MINT_TYPE_U1 1
  70 #define MINT_TYPE_I2 2
  71 #define MINT_TYPE_U2 3
  72 #define MINT_TYPE_I4 4
  73 #define MINT_TYPE_I8 5
  74 #define MINT_TYPE_R4 6
  75 #define MINT_TYPE_R8 7
  76 #define MINT_TYPE_O  8
  77 #define MINT_TYPE_P  9
  78 #define MINT_TYPE_VT 10
  79
  80 #define STACK_TYPE_I4 0
  81 #define STACK_TYPE_I8 1
  82 #define STACK_TYPE_R8 2
  83 #define STACK_TYPE_O  3
  84 #define STACK_TYPE_VT 4
  85 #define STACK_TYPE_MP 5
  86 #define STACK_TYPE_F  6
  87
  88 static const char *stack_type_string [] = { "I4", "I8", "R8", "O ", "VT", "MP", "F " };
  89
  90 #if SIZEOF_VOID_P == 8
  91 #define STACK_TYPE_I STACK_TYPE_I8
  92 #else
  93 #define STACK_TYPE_I STACK_TYPE_I4
  94 #endif
  95
  96 static int stack_type [] = {
  97         STACK_TYPE_I4, /*I1*/
  98         STACK_TYPE_I4, /*U1*/
  99         STACK_TYPE_I4, /*I2*/
 100         STACK_TYPE_I4, /*U2*/
 101         STACK_TYPE_I4, /*I4*/
 102         STACK_TYPE_I8, /*I8*/
 103         STACK_TYPE_R8, /*R4*/
 104         STACK_TYPE_R8, /*R8*/
 105         STACK_TYPE_O,  /*O*/
 106         STACK_TYPE_MP, /*P*/
 107         STACK_TYPE_VT
 108 };
 109
 110 static void
 111 grow_code (TransformData *td)
 112 {
 113         unsigned int old_ip_offset = td->new_ip - td->new_code;
 114         unsigned int old_last_ip_offset = td->last_new_ip - td->new_code;
 115         g_assert (old_ip_offset <= td->max_code_size);
 116         td->new_code = g_realloc (td->new_code, (td->max_code_size *= 2) * sizeof (td->new_code [0]));
 117         td->new_code_end = td->new_code + td->max_code_size;
 118         td->new_ip = td->new_code + old_ip_offset;
 119         td->last_new_ip = td->new_code + old_last_ip_offset;
 120 }
 121
 122 #define ENSURE_CODE(td, n) \
 123         do { \
 124                 if ((td)->new_ip + (n) > (td)->new_code_end) \
 125                         grow_code (td); \
 126         } while (0)
 127
 128 #define ADD_CODE(td, n) \
 129         do { \
 130                 if ((td)->new_ip == (td)->new_code_end) \
 131                         grow_code (td); \
 132                 *(td)->new_ip++ = (n); \
 133         } while (0)
 134
 135 #define CHECK_STACK(td, n) \
 136         do { \
 137                 int stack_size = (td)->sp - (td)->stack; \
 138                 if (stack_size < (n)) \
 139                         g_warning ("%s.%s: not enough values (%d < %d) on stack at %04x", \
 140                                 (td)->method->klass->name, (td)->method->name, \
 141                                 stack_size, n, (td)->ip - (td)->il_code); \
 142         } while (0)
 143
 144 #define ENSURE_I4(td, sp_off) \
 145         do { \
 146                 if ((td)->sp [-sp_off].type == STACK_TYPE_I8) \
 147                         ADD_CODE(td, sp_off == 1 ? MINT_CONV_I4_I8 : MINT_CONV_I4_I8_SP); \
 148         } while (0)
 149
 150 static void
 151 handle_branch(TransformData *td, int short_op, int long_op, int offset)
 152 {
 153         int shorten_branch = 0;
 154         int target = td->ip + offset - td->il_code;
 155         if (target < 0 || target >= td->code_size)
 156                 g_assert_not_reached ();
 157         if (offset > 0 && td->stack_height [target] < 0) {
 158                 td->stack_height [target] = td->sp - td->stack;
 159                 if (td->stack_height [target] > 0)
 160                         td->stack_state [target] = g_memdup (td->stack, td->stack_height [target] * sizeof (td->stack [0]));
 161                 td->vt_stack_size [target] = td->vt_sp;
 162         }
 163         if (offset < 0) {
 164                 offset = td->in_offsets [target] - (td->new_ip - td->new_code);
 165                 if (offset >= -32768) {
 166                         shorten_branch = 1;
 167                 }
 168         } else {
 169                 int prev = td->forward_refs [target];
 170                 td->forward_refs [td->ip - td->il_code] = prev;
 171                 td->forward_refs [target] = td->ip - td->il_code;
 172                 offset = 0;
 173                 if (td->header->code_size <= 25000) /* FIX to be precise somehow? */
 174                         shorten_branch = 1;
 175         }
 176         if (shorten_branch) {
 177                 ADD_CODE(td, short_op);
 178                 ADD_CODE(td, offset);
 179         } else {
 180                 ADD_CODE(td, long_op);
 181                 ADD_CODE(td, * (unsigned short *)(&offset));
 182                 ADD_CODE(td, * ((unsigned short *)&offset + 1));
 183         }
 184 }
 185
 186 static void
 187 one_arg_branch(TransformData *td, int mint_op, int offset)
 188 {
 189         int type = td->sp [-1].type == STACK_TYPE_O || td->sp [-1].type == STACK_TYPE_MP ? STACK_TYPE_I : td->sp [-1].type;
 190         int long_op = mint_op + type - STACK_TYPE_I4;
 191         int short_op = long_op + MINT_BRFALSE_I4_S - MINT_BRFALSE_I4;
 192         CHECK_STACK(td, 1);
 193         --td->sp;
 194         handle_branch (td, short_op, long_op, offset);
 195 }
 196
 197 static void
 198 two_arg_branch(TransformData *td, int mint_op, int offset)
 199 {
 200         int type1 = td->sp [-1].type == STACK_TYPE_O || td->sp [-1].type == STACK_TYPE_MP ? STACK_TYPE_I : td->sp [-1].type;
 201         int type2 = td->sp [-2].type == STACK_TYPE_O || td->sp [-2].type == STACK_TYPE_MP ? STACK_TYPE_I : td->sp [-2].type;
 202         int long_op = mint_op + type1 - STACK_TYPE_I4;
 203         int short_op = long_op + MINT_BEQ_I4_S - MINT_BEQ_I4;
 204         CHECK_STACK(td, 2);
 205         if (type1 == STACK_TYPE_I4 && type2 == STACK_TYPE_I8) {
 206                 ADD_CODE(td, MINT_CONV_I8_I4);
 207                 td->in_offsets [td->ip - td->il_code]++;
 208         } else if (type1 == STACK_TYPE_I8 && type2 == STACK_TYPE_I4) {
 209                 ADD_CODE(td, MINT_CONV_I8_I4_SP);
 210                 td->in_offsets [td->ip - td->il_code]++;
 211         } else if (type1 != type2) {
 212                 g_warning("%s.%s: branch type mismatch %d %d",
 213                         td->method->klass->name, td->method->name,
 214                         td->sp [-1].type, td->sp [-2].type);
 215         }
 216         td->sp -= 2;
 217         handle_branch (td, short_op, long_op, offset);
 218 }
 219
 220 static void
 221 unary_arith_op(TransformData *td, int mint_op)
 222 {
 223         int op = mint_op + td->sp [-1].type - STACK_TYPE_I4;
 224         CHECK_STACK(td, 1);
 225         ADD_CODE(td, op);
 226 }
 227
 228 static void
 229 binary_arith_op(TransformData *td, int mint_op)
 230 {
 231         int type1 = td->sp [-2].type;
 232         int type2 = td->sp [-1].type;
 233         int op;
 234 #if SIZEOF_VOID_P == 8
 235         if ((type1 == STACK_TYPE_MP || type1 == STACK_TYPE_I8) && type2 == STACK_TYPE_I4) {
 236                 ADD_CODE(td, MINT_CONV_I8_I4);
 237                 type2 = STACK_TYPE_I8;
 238         }
 239         if (type1 == STACK_TYPE_I4 && (type2 == STACK_TYPE_MP || type2 == STACK_TYPE_I8)) {
 240                 ADD_CODE(td, MINT_CONV_I8_I4_SP);
 241                 type1 = STACK_TYPE_I8;
 242                 td->sp [-2].type = STACK_TYPE_I8;
 243         }
 244 #endif
 245         if (type1 == STACK_TYPE_MP)
 246                 type1 = STACK_TYPE_I;
 247         if (type2 == STACK_TYPE_MP)
 248                 type2 = STACK_TYPE_I;
 249         if (type1 != type2) {
 250                 g_warning("%s.%s: %04x arith type mismatch %s %d %d",
 251                         td->method->klass->name, td->method->name,
 252                         td->ip - td->il_code, mono_interp_opname[mint_op], type1, type2);
 253         }
 254         op = mint_op + type1 - STACK_TYPE_I4;
 255         CHECK_STACK(td, 2);
 256         ADD_CODE(td, op);
 257         --td->sp;
 258 }
 259
 260 static void
 261 binary_int_op(TransformData *td, int mint_op)
 262 {
 263         int op = mint_op + td->sp [-1].type - STACK_TYPE_I4;
 264         CHECK_STACK(td, 2);
 265         if (td->sp [-1].type != td->sp [-2].type)
 266                 g_warning("%s.%s: int type mismatch", td->method->klass->name, td->method->name);
 267         ADD_CODE(td, op);
 268         --td->sp;
 269 }
 270
 271 static void
 272 shift_op(TransformData *td, int mint_op)
 273 {
 274         int op = mint_op + td->sp [-2].type - STACK_TYPE_I4;
 275         CHECK_STACK(td, 2);
 276         if (td->sp [-1].type != STACK_TYPE_I4) {
 277                 g_warning("%s.%s: shift type mismatch %d",
 278                         td->method->klass->name, td->method->name,
 279                         td->sp [-2].type);
 280         }
 281         ADD_CODE(td, op);
 282         --td->sp;
 283 }
 284
 285 static int
 286 mint_type(MonoType *type)
 287 {
 288         if (type->byref)
 289                 return MINT_TYPE_P;
 290 enum_type:
 291         switch (type->type) {
 292         case MONO_TYPE_I1:
 293                 return MINT_TYPE_I1;
 294         case MONO_TYPE_U1:
 295         case MONO_TYPE_BOOLEAN:
 296                 return MINT_TYPE_U1;
 297         case MONO_TYPE_I2:
 298                 return MINT_TYPE_I2;
 299         case MONO_TYPE_U2:
 300         case MONO_TYPE_CHAR:
 301                 return MINT_TYPE_U2;
 302         case MONO_TYPE_I4:
 303         case MONO_TYPE_U4:
 304                 return MINT_TYPE_I4;
 305         case MONO_TYPE_I:
 306         case MONO_TYPE_U:
 307 #if SIZEOF_VOID_P == 4
 308                 return MINT_TYPE_I4;
 309 #else
 310                 return MINT_TYPE_I8;
 311 #endif
 312         case MONO_TYPE_PTR:
 313                 return MINT_TYPE_P;
 314         case MONO_TYPE_R4:
 315                 return MINT_TYPE_R4;
 316         case MONO_TYPE_I8:
 317         case MONO_TYPE_U8:
 318                 return MINT_TYPE_I8;
 319         case MONO_TYPE_R8:
 320                 return MINT_TYPE_R8;
 321         case MONO_TYPE_STRING:
 322         case MONO_TYPE_SZARRAY:
 323         case MONO_TYPE_CLASS:
 324         case MONO_TYPE_OBJECT:
 325         case MONO_TYPE_ARRAY:
 326                 return MINT_TYPE_O;
 327         case MONO_TYPE_VALUETYPE:
 328                 if (type->data.klass->enumtype) {
 329                         type = mono_class_enum_basetype (type->data.klass);
 330                         goto enum_type;
 331                 } else
 332                         return MINT_TYPE_VT;
 333         case MONO_TYPE_GENERICINST:
 334                 type = &type->data.generic_class->container_class->byval_arg;
 335                 goto enum_type;
 336         default:
 337                 g_warning ("got type 0x%02x", type->type);
 338                 g_assert_not_reached ();
 339         }
 340         return -1;
 341 }
 342
 343 static int
 344 can_store (int stack_type, int var_type)
 345 {
 346         if (stack_type == STACK_TYPE_O || stack_type == STACK_TYPE_MP)
 347                 stack_type = STACK_TYPE_I;
 348         if (var_type == STACK_TYPE_O || var_type == STACK_TYPE_MP)
 349                 var_type = STACK_TYPE_I;
 350         return stack_type == var_type;
 351 }
 352
 353 #define SET_SIMPLE_TYPE(s, ty) \
 354         do { \
 355                 (s)->type = (ty); \
 356                 (s)->flags = 0; \
 357                 (s)->klass = NULL; \
 358         } while (0)
 359
 360 #define SET_TYPE(s, ty, k) \
 361         do { \
 362                 (s)->type = (ty); \
 363                 (s)->flags = 0; \
 364                 (s)->klass = k; \
 365         } while (0)
 366
 367 #define PUSH_SIMPLE_TYPE(td, ty) \
 368         do { \
 369                 int sp_height; \
 370                 (td)->sp++; \
 371                 sp_height = (td)->sp - (td)->stack; \
 372                 if (sp_height > (td)->max_stack_height) \
 373                         (td)->max_stack_height = sp_height; \
 374                 SET_SIMPLE_TYPE((td)->sp - 1, ty); \
 375         } while (0)
 376
 377 #define PUSH_TYPE(td, ty, k) \
 378         do { \
 379                 int sp_height; \
 380                 (td)->sp++; \
 381                 sp_height = (td)->sp - (td)->stack; \
 382                 if (sp_height > (td)->max_stack_height) \
 383                         (td)->max_stack_height = sp_height; \
 384                 SET_TYPE((td)->sp - 1, ty, k); \
 385         } while (0)
 386
 387 #define PUSH_VT(td, size) \
 388         do { \
 389                 (td)->vt_sp += ((size) + 7) & ~7; \
 390                 if ((td)->vt_sp > (td)->max_vt_sp) \
 391                         (td)->max_vt_sp = (td)->vt_sp; \
 392         } while (0)
 393
 394 #define POP_VT(td, size) \
 395         do { \
 396                 (td)->vt_sp -= ((size) + 7) & ~7; \
 397         } while (0)
 398
 399 #if NO_UNALIGNED_ACCESS
 400 #define WRITE32(td, v) \
 401         do { \
 402                 ENSURE_CODE(td, 2); \
 403                 * (guint16 *)((td)->new_ip) = * (guint16 *)(v); \
 404                 * ((guint16 *)((td)->new_ip) + 1) = * ((guint16 *)(v) + 1); \
 405                 (td)->new_ip += 2; \
 406         } while (0)
 407
 408 #define WRITE64(td, v) \
 409         do { \
 410                 ENSURE_CODE(td, 4); \
 411                 * (guint16 *)((td)->new_ip) = * (guint16 *)(v); \
 412                 * ((guint16 *)((td)->new_ip) + 1) = * ((guint16 *)(v) + 1); \
 413                 * ((guint16 *)((td)->new_ip) + 2) = * ((guint16 *)(v) + 2); \
 414                 * ((guint16 *)((td)->new_ip) + 3) = * ((guint16 *)(v) + 3); \
 415                 (td)->new_ip += 4; \
 416         } while (0)
 417 #else
 418 #define WRITE32(td, v) \
 419         do { \
 420                 ENSURE_CODE(td, 2); \
 421                 * (guint32 *)((td)->new_ip) = * (guint32 *)(v); \
 422                 (td)->new_ip += 2; \
 423         } while (0)
 424
 425 #define WRITE64(td, v) \
 426         do { \
 427                 ENSURE_CODE(td, 4); \
 428                 * (guint64 *)((td)->new_ip) = * (guint64 *)(v); \
 429                 (td)->new_ip += 4; \
 430         } while (0)
 431
 432 #endif
 433
 434 static void
 435 load_arg(TransformData *td, int n)
 436 {
 437         int mt;
 438         MonoClass *klass = NULL;
 439         MonoType *type;
 440
 441         gboolean hasthis = mono_method_signature (td->method)->hasthis;
 442         if (hasthis && n == 0)
 443                 type = &td->method->klass->byval_arg;
 444         else
 445                 type = mono_method_signature (td->method)->params [hasthis ? n - 1 : n];
 446
 447         mt = mint_type (type);
 448         if (mt == MINT_TYPE_VT) {
 449                 gint32 size;
 450                 klass = mono_class_from_mono_type (type);
 451                 if (mono_method_signature (td->method)->pinvoke)
 452                         size = mono_class_native_size (klass, NULL);
 453                 else
 454                         size = mono_class_value_size (klass, NULL);
 455
 456                 if (hasthis && n == 0) {
 457                         mt = MINT_TYPE_P;
 458                         ADD_CODE (td, MINT_LDARG_P);
 459                         ADD_CODE (td, td->rtm->arg_offsets [n]); /* FIX for large offset */
 460                         klass = NULL;
 461                 } else {
 462                         PUSH_VT (td, size);
 463                         ADD_CODE (td, MINT_LDARG_VT);
 464                         ADD_CODE (td, td->rtm->arg_offsets [n]); /* FIX for large offset */
 465                         WRITE32 (td, &size);
 466                 }
 467         } else {
 468                 if (hasthis && n == 0) {
 469                         mt = MINT_TYPE_P;
 470                         ADD_CODE (td, MINT_LDARG_P);
 471                         ADD_CODE (td, td->rtm->arg_offsets [n]); /* FIX for large offset */
 472                         klass = NULL;
 473                 } else {
 474                         ADD_CODE(td, MINT_LDARG_I1 + (mt - MINT_TYPE_I1));
 475                         ADD_CODE(td, td->rtm->arg_offsets [n]); /* FIX for large offset */
 476                         if (mt == MINT_TYPE_O)
 477                                 klass = mono_class_from_mono_type (type);
 478                 }
 479         }
 480         PUSH_TYPE(td, stack_type[mt], klass);
 481 }
 482
 483 static void
 484 store_arg(TransformData *td, int n)
 485 {
 486         int mt;
 487         CHECK_STACK (td, 1);
 488         MonoType *type;
 489
 490         gboolean hasthis = mono_method_signature (td->method)->hasthis;
 491         if (hasthis && n == 0)
 492                 type = &td->method->klass->byval_arg;
 493         else
 494                 type = mono_method_signature (td->method)->params [n - !!hasthis];
 495
 496         mt = mint_type (type);
 497         if (mt == MINT_TYPE_VT) {
 498                 gint32 size;
 499                 g_error ("data.klass");
 500                 if (mono_method_signature (td->method)->pinvoke)
 501                         size = mono_class_native_size (type->data.klass, NULL);
 502                 else
 503                         size = mono_class_value_size (type->data.klass, NULL);
 504                 ADD_CODE(td, MINT_STARG_VT);
 505                 ADD_CODE(td, n);
 506                 WRITE32(td, &size);
 507                 if (td->sp [-1].type == STACK_TYPE_VT)
 508                         POP_VT(td, size);
 509         } else {
 510                 ADD_CODE(td, MINT_STARG_I1 + (mt - MINT_TYPE_I1));
 511                 ADD_CODE(td, td->rtm->arg_offsets [n]);
 512         }
 513         --td->sp;
 514 }
 515
 516 static void
 517 store_inarg(TransformData *td, int n)
 518 {
 519         MonoType *type;
 520         gboolean hasthis = mono_method_signature (td->method)->hasthis;
 521         if (hasthis && n == 0)
 522                 type = &td->method->klass->byval_arg;
 523         else
 524                 type = mono_method_signature (td->method)->params [n - !!hasthis];
 525
 526         int mt = mint_type (type);
 527         if (hasthis && n == 0) {
 528                 ADD_CODE (td, MINT_STINARG_P);
 529                 ADD_CODE (td, n);
 530                 return;
 531         }
 532         if (mt == MINT_TYPE_VT) {
 533                 MonoClass *klass = mono_class_from_mono_type (type);
 534                 gint32 size;
 535                 if (mono_method_signature (td->method)->pinvoke)
 536                         size = mono_class_native_size (klass, NULL);
 537                 else
 538                         size = mono_class_value_size (klass, NULL);
 539                 ADD_CODE(td, MINT_STINARG_VT);
 540                 ADD_CODE(td, n);
 541                 WRITE32(td, &size);
 542         } else {
 543                 ADD_CODE(td, MINT_STINARG_I1 + (mt - MINT_TYPE_I1));
 544                 ADD_CODE(td, n);
 545         }
 546 }
 547
 548 static void
 549 load_local(TransformData *td, int n)
 550 {
 551         MonoType *type = td->header->locals [n];
 552         int mt = mint_type (type);
 553         int offset = td->rtm->local_offsets [n];
 554         MonoClass *klass = NULL;
 555         if (mt == MINT_TYPE_VT) {
 556                 klass = mono_class_from_mono_type (type);
 557                 gint32 size = mono_class_value_size (klass, NULL);
 558                 PUSH_VT(td, size);
 559                 ADD_CODE(td, MINT_LDLOC_VT);
 560                 ADD_CODE(td, offset); /*FIX for large offset */
 561                 WRITE32(td, &size);
 562         } else {
 563                 g_assert (mt < MINT_TYPE_VT);
 564                 if (mt == MINT_TYPE_I4 && !td->is_bb_start [td->in_start - td->il_code] && td->last_new_ip != NULL &&
 565                         td->last_new_ip [0] == MINT_STLOC_I4 && td->last_new_ip [1] == offset) {
 566                         td->last_new_ip [0] = MINT_STLOC_NP_I4;
 567                 } else if (mt == MINT_TYPE_O && !td->is_bb_start [td->in_start - td->il_code] && td->last_new_ip != NULL &&
 568                         td->last_new_ip [0] == MINT_STLOC_O && td->last_new_ip [1] == offset) {
 569                         td->last_new_ip [0] = MINT_STLOC_NP_O;
 570                 } else {
 571                         ADD_CODE(td, MINT_LDLOC_I1 + (mt - MINT_TYPE_I1));
 572                         ADD_CODE(td, offset); /*FIX for large offset */
 573                 }
 574                 if (mt == MINT_TYPE_O)
 575                         klass = mono_class_from_mono_type (type);
 576         }
 577         PUSH_TYPE(td, stack_type[mt], klass);
 578 }
 579
 580 static void
 581 store_local(TransformData *td, int n)
 582 {
 583         MonoType *type = td->header->locals [n];
 584         int mt = mint_type (type);
 585         int offset = td->rtm->local_offsets [n];
 586         CHECK_STACK (td, 1);
 587 #if SIZEOF_VOID_P == 8
 588         if (td->sp [-1].type == STACK_TYPE_I4 && stack_type [mt] == STACK_TYPE_I8) {
 589                 ADD_CODE(td, MINT_CONV_I8_I4);
 590                 td->sp [-1].type = STACK_TYPE_I8;
 591         }
 592 #endif
 593         if (!can_store(td->sp [-1].type, stack_type [mt])) {
 594                 g_warning("%s.%s: Store local stack type mismatch %d %d",
 595                         td->method->klass->name, td->method->name,
 596                         stack_type [mt], td->sp [-1].type);
 597         }
 598         if (mt == MINT_TYPE_VT) {
 599                 MonoClass *klass = mono_class_from_mono_type (type);
 600                 gint32 size = mono_class_value_size (klass, NULL);
 601                 ADD_CODE(td, MINT_STLOC_VT);
 602                 ADD_CODE(td, offset); /*FIX for large offset */
 603                 WRITE32(td, &size);
 604                 if (td->sp [-1].type == STACK_TYPE_VT)
 605                         POP_VT(td, size);
 606         } else {
 607                 g_assert (mt < MINT_TYPE_VT);
 608                 ADD_CODE(td, MINT_STLOC_I1 + (mt - MINT_TYPE_I1));
 609                 ADD_CODE(td, offset); /*FIX for large offset */
 610         }
 611         --td->sp;
 612 }
 613
 614 #define SIMPLE_OP(td, op) \
 615         do { \
 616                 ADD_CODE(&td, op); \
 617                 ++td.ip; \
 618         } while (0)
 619
 620 static guint16
 621 get_data_item_index (TransformData *td, void *ptr)
 622 {
 623         gpointer p = g_hash_table_lookup (td->data_hash, ptr);
 624         guint index;
 625         if (p != NULL)
 626                 return GPOINTER_TO_UINT (p) - 1;
 627         if (td->max_data_items == td->n_data_items) {
 628                 td->max_data_items = td->n_data_items == 0 ? 16 : 2 * td->max_data_items;
 629                 td->data_items = g_realloc (td->data_items, td->max_data_items * sizeof(td->data_items [0]));
 630         }
 631         index = td->n_data_items;
 632         td->data_items [index] = ptr;
 633         ++td->n_data_items;
 634         g_hash_table_insert (td->data_hash, ptr, GUINT_TO_POINTER (index + 1));
 635         return index;
 636 }
 637
 638 static void
 639 interp_transform_call (TransformData *td, MonoMethod *method, MonoMethod *target_method, MonoDomain *domain, MonoGenericContext *generic_context, unsigned char *is_bb_start, int body_start_offset, MonoClass *constrained_class)
 640 {
 641         MonoImage *image = method->klass->image;
 642         MonoMethodSignature *csignature;
 643         MonoError error;
 644         int virtual = *td->ip == CEE_CALLVIRT;
 645         int calli = *td->ip == CEE_CALLI || *td->ip == CEE_MONO_CALLI_EXTRA_ARG;
 646         int i;
 647         guint32 vt_stack_used = 0;
 648         guint32 vt_res_size = 0;
 649         int op = -1;
 650         int native = 0;
 651         int is_void = 0;
 652
 653         guint32 token = read32 (td->ip + 1);
 654
 655         if (target_method == NULL) {
 656                 if (calli) {
 657                         CHECK_STACK(td, 1);
 658                         native = (method->wrapper_type != MONO_WRAPPER_DELEGATE_INVOKE && td->sp [-1].type == STACK_TYPE_I);
 659                         --td->sp;
 660                         if (method->wrapper_type != MONO_WRAPPER_NONE)
 661                                 csignature = (MonoMethodSignature *)mono_method_get_wrapper_data (method, token);
 662                         else
 663                                 csignature = mono_metadata_parse_signature (image, token);
 664                         target_method = NULL;
 665                 } else {
 666                         if (method->wrapper_type == MONO_WRAPPER_NONE)
 667                                 target_method = mono_get_method_full (image, token, NULL, generic_context);
 668                         else
 669                                 target_method = (MonoMethod *)mono_method_get_wrapper_data (method, token);
 670                         csignature = mono_method_signature (target_method);
 671                         if (target_method->klass == mono_defaults.string_class) {
 672                                 if (target_method->name [0] == 'g') {
 673                                         if (strcmp (target_method->name, "get_Chars") == 0)
 674                                                 op = MINT_GETCHR;
 675                                         else if (strcmp (target_method->name, "get_Length") == 0)
 676                                                 op = MINT_STRLEN;
 677                                 }
 678                         } else if (target_method->klass == mono_defaults.array_class) {
 679                                 if (strcmp (target_method->name, "get_Rank") == 0)
 680                                         op = MINT_ARRAY_RANK;
 681                                 else if (strcmp (target_method->name, "get_Length") == 0)
 682                                         op = MINT_LDLEN;
 683                         }
 684                 }
 685         } else {
 686                 csignature = mono_method_signature (target_method);
 687         }
 688
 689         if (constrained_class) {
 690                 if (constrained_class->enumtype && !strcmp (target_method->name, "GetHashCode")) {
 691                         /* Use the corresponding method from the base type to avoid boxing */
 692                         MonoType *base_type = mono_class_enum_basetype (constrained_class);
 693                         g_assert (base_type);
 694                         constrained_class = mono_class_from_mono_type (base_type);
 695                         target_method = mono_class_get_method_from_name (constrained_class, target_method->name, 0);
 696                         g_assert (target_method);
 697                 }
 698         }
 699
 700         if (constrained_class) {
 701                 mono_class_setup_vtable (constrained_class);
 702 #if DEBUG_INTERP
 703                 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);
 704 #endif
 705                 target_method = mono_get_method_constrained_with_method (image, target_method, constrained_class, generic_context, &error);
 706 #if DEBUG_INTERP
 707                 g_print ("                    : %s::%s.  %s (%p)\n", target_method->klass->name, target_method->name, mono_signature_full_name (target_method->signature), target_method);
 708 #endif
 709                 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
 710                 mono_class_setup_vtable (target_method->klass);
 711
 712                 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)) {
 713                         ADD_CODE (td, MINT_BOX);
 714                         ADD_CODE (td, get_data_item_index (td, constrained_class));
 715                         ADD_CODE (td, csignature->param_count);
 716                 } else if (!constrained_class->valuetype) {
 717                         /* managed pointer on the stack, we need to deref that puppy */
 718                         ADD_CODE (td, MINT_LDIND_I);
 719                         ADD_CODE (td, csignature->param_count);
 720                 } else {
 721                         g_assert (target_method->klass->valuetype);
 722                         virtual = FALSE;
 723                 }
 724         }
 725
 726         if (target_method)
 727                 mono_class_init (target_method->klass);
 728
 729         CHECK_STACK (td, csignature->param_count + csignature->hasthis);
 730         if (!calli && (!virtual || (target_method->flags & METHOD_ATTRIBUTE_VIRTUAL) == 0) &&
 731                 (target_method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) == 0 &&
 732                 (target_method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) == 0) {
 733                 int called_inited = mono_class_vtable (domain, target_method->klass)->initialized;
 734                 MonoMethodHeader *mheader = mono_method_get_header (target_method);
 735
 736                 if (/*mono_metadata_signature_equal (method->signature, target_method->signature) */ method == target_method && *(td->ip + 5) == CEE_RET) {
 737                         int offset;
 738                         if (mono_interp_traceopt)
 739                                 g_print ("Optimize tail call of %s.%s\n", target_method->klass->name, target_method->name);
 740                         for (i = csignature->param_count - 1; i >= 0; --i)
 741                                 store_arg (td, i + csignature->hasthis);
 742
 743                         if (csignature->hasthis) {
 744                                 g_error ("STTHIS removal");
 745                                 // ADD_CODE(td, MINT_STTHIS);
 746                                 --td->sp;
 747                         }
 748                         ADD_CODE(td, MINT_BR_S);
 749                         offset = body_start_offset - ((td->new_ip - 1) - td->new_code);
 750                         ADD_CODE(td, offset);
 751                         if (!is_bb_start [td->ip + 5 - td->il_code])
 752                                 ++td->ip; /* gobble the CEE_RET if it isn't branched to */
 753                         td->ip += 5;
 754                         return;
 755                 } else {
 756                         /* mheader might not exist if this is a delegate invoc, etc */
 757                         if (mheader && *mheader->code == CEE_RET && called_inited) {
 758                                 if (mono_interp_traceopt)
 759                                         g_print ("Inline (empty) call of %s.%s\n", target_method->klass->name, target_method->name);
 760                                 for (i = 0; i < csignature->param_count; i++)
 761                                         ADD_CODE (td, MINT_POP); /*FIX: vt */
 762                                         ADD_CODE (td, 0);
 763                                 if (csignature->hasthis) {
 764                                         if (virtual)
 765                                                 ADD_CODE(td, MINT_CKNULL);
 766                                         ADD_CODE (td, MINT_POP);
 767                                         ADD_CODE (td, 0);
 768                                 }
 769                                 td->sp -= csignature->param_count + csignature->hasthis;
 770                                 td->ip += 5;
 771                                 return;
 772                         }
 773                 }
 774         }
 775         if (method->wrapper_type == MONO_WRAPPER_NONE && target_method != NULL) {
 776                 if (target_method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL)
 777                         target_method = mono_marshal_get_native_wrapper (target_method, FALSE, FALSE);
 778                 if (!virtual && target_method->iflags & METHOD_IMPL_ATTRIBUTE_SYNCHRONIZED)
 779                         target_method = mono_marshal_get_synchronized_wrapper (target_method);
 780         }
 781         g_assert (csignature->call_convention == MONO_CALL_DEFAULT || csignature->call_convention == MONO_CALL_C);
 782         td->sp -= csignature->param_count + !!csignature->hasthis;
 783         for (i = 0; i < csignature->param_count; ++i) {
 784                 if (td->sp [i + !!csignature->hasthis].type == STACK_TYPE_VT) {
 785                         gint32 size;
 786                         MonoClass *klass = mono_class_from_mono_type (csignature->params [i]);
 787                         if (csignature->pinvoke && method->wrapper_type != MONO_WRAPPER_NONE)
 788                                 size = mono_class_native_size (klass, NULL);
 789                         else
 790                                 size = mono_class_value_size (klass, NULL);
 791                         size = (size + 7) & ~7;
 792                         vt_stack_used += size;
 793                 }
 794         }
 795
 796         /* need to handle typedbyref ... */
 797         if (csignature->ret->type != MONO_TYPE_VOID) {
 798                 int mt = mint_type(csignature->ret);
 799                 MonoClass *klass = mono_class_from_mono_type (csignature->ret);
 800                 if (mt == MINT_TYPE_VT) {
 801                         if (csignature->pinvoke && method->wrapper_type != MONO_WRAPPER_NONE)
 802                                 vt_res_size = mono_class_native_size (klass, NULL);
 803                         else
 804                                 vt_res_size = mono_class_value_size (klass, NULL);
 805                         PUSH_VT(td, vt_res_size);
 806                 }
 807                 PUSH_TYPE(td, stack_type[mt], klass);
 808         } else
 809                 is_void = TRUE;
 810
 811         if (op >= 0) {
 812                 ADD_CODE(td, op);
 813 #if SIZEOF_VOID_P == 8
 814                 if (op == MINT_LDLEN)
 815                         ADD_CODE(td, MINT_CONV_I4_I8);
 816 #endif
 817         } else {
 818                 if (calli)
 819                         ADD_CODE(td, native ? MINT_CALLI_NAT : MINT_CALLI);
 820                 else if (virtual)
 821                         ADD_CODE(td, is_void ? MINT_VCALLVIRT : MINT_CALLVIRT);
 822                 else
 823                         ADD_CODE(td, is_void ? MINT_VCALL : MINT_CALL);
 824
 825                 if (calli) {
 826                         ADD_CODE(td, get_data_item_index (td, (void *)csignature));
 827                 } else {
 828                         ADD_CODE(td, get_data_item_index (td, (void *)mono_interp_get_runtime_method (domain, target_method, &error)));
 829                         mono_error_cleanup (&error); /* FIXME: don't swallow the error */
 830                 }
 831         }
 832         td->ip += 5;
 833         if (vt_stack_used != 0 || vt_res_size != 0) {
 834                 ADD_CODE(td, MINT_VTRESULT);
 835                 ADD_CODE(td, vt_res_size);
 836                 WRITE32(td, &vt_stack_used);
 837                 td->vt_sp -= vt_stack_used;
 838         }
 839 }
 840
 841 static void
 842 generate (MonoMethod *method, RuntimeMethod *rtm, unsigned char *is_bb_start)
 843 {
 844         MonoMethodHeader *header = mono_method_get_header (method);
 845         MonoMethodSignature *signature = mono_method_signature (method);
 846         MonoImage *image = method->klass->image;
 847         MonoDomain *domain = mono_domain_get ();
 848         MonoGenericContext *generic_context = NULL;
 849         MonoClass *constrained_class = NULL;
 850         MonoError error;
 851         int offset, mt;
 852         int i;
 853         int i32;
 854         MonoClass *klass;
 855         MonoClassField *field;
 856         const unsigned char *end;
 857         int new_in_start_offset;
 858         int body_start_offset;
 859         int target;
 860         guint32 token;
 861         TransformData td;
 862         int generating_code = 1;
 863
 864         if (mono_method_signature (method)->is_inflated)
 865                 generic_context = &((MonoMethodInflated *) method)->context;
 866
 867         memset(&td, 0, sizeof(td));
 868         td.method = method;
 869         td.rtm = rtm;
 870         td.is_bb_start = is_bb_start;
 871         td.il_code = header->code;
 872         td.code_size = header->code_size;
 873         td.header = header;
 874         td.max_code_size = td.code_size;
 875         td.new_code = (unsigned short *)g_malloc(td.max_code_size * sizeof(gushort));
 876         td.new_code_end = td.new_code + td.max_code_size;
 877         td.in_offsets = g_malloc0(header->code_size * sizeof(int));
 878         td.forward_refs = g_malloc(header->code_size * sizeof(int));
 879         td.stack_state = g_malloc0(header->code_size * sizeof(StackInfo *));
 880         td.stack_height = g_malloc(header->code_size * sizeof(int));
 881         td.vt_stack_size = g_malloc(header->code_size * sizeof(int));
 882         td.n_data_items = 0;
 883         td.max_data_items = 0;
 884         td.data_items = NULL;
 885         td.data_hash = g_hash_table_new (NULL, NULL);
 886         rtm->data_items = td.data_items;
 887         for (i = 0; i < header->code_size; i++) {
 888                 td.forward_refs [i] = -1;
 889                 td.stack_height [i] = -1;
 890         }
 891         td.new_ip = td.new_code;
 892         td.last_new_ip = NULL;
 893
 894         td.stack = g_malloc0(header->max_stack * sizeof(td.stack[0]));
 895         td.sp = td.stack;
 896         td.max_stack_height = 0;
 897
 898         for (i = 0; i < header->num_clauses; i++) {
 899                 MonoExceptionClause *c = header->clauses + i;
 900                 td.stack_height [c->handler_offset] = 0;
 901                 td.vt_stack_size [c->handler_offset] = 0;
 902                 td.is_bb_start [c->handler_offset] = 1;
 903                 if (c->flags == MONO_EXCEPTION_CLAUSE_NONE) {
 904                         td.stack_height [c->handler_offset] = 1;
 905                         td.stack_state [c->handler_offset] = g_malloc0(sizeof(StackInfo));
 906                         td.stack_state [c->handler_offset][0].type = STACK_TYPE_O;
 907                         td.stack_state [c->handler_offset][0].klass = NULL; /*FIX*/
 908                 }
 909         }
 910
 911         td.ip = header->code;
 912         end = td.ip + header->code_size;
 913
 914         if (mono_interp_traceopt) {
 915                 char *tmp = mono_disasm_code (NULL, method, td.ip, end);
 916                 char *name = mono_method_full_name (method, TRUE);
 917                 g_print ("Method %s, original code:\n", name);
 918                 g_print ("%s\n", tmp);
 919                 g_free (tmp);
 920                 g_free (name);
 921         }
 922
 923         if (signature->hasthis)
 924                 store_inarg (&td, 0);
 925         for (i = 0; i < signature->param_count; i++)
 926                 store_inarg (&td, i + !!signature->hasthis);
 927
 928         body_start_offset = td.new_ip - td.new_code;
 929
 930         for (i = 0; i < header->num_locals; i++) {
 931                 int mt = mint_type(header->locals [i]);
 932                 if (mt == MINT_TYPE_VT || mt == MINT_TYPE_O) {
 933                         ADD_CODE(&td, MINT_INITLOCALS);
 934                         break;
 935                 }
 936         }
 937
 938         while (td.ip < end) {
 939                 int in_offset;
 940
 941                 g_assert (td.sp >= td.stack);
 942                 g_assert (td.vt_sp < 0x10000000);
 943                 in_offset = td.ip - header->code;
 944                 td.in_offsets [in_offset] = td.new_ip - td.new_code;
 945                 new_in_start_offset = td.new_ip - td.new_code;
 946                 td.in_start = td.ip;
 947                 while (td.forward_refs [in_offset] >= 0) {
 948                         int j = td.forward_refs [in_offset];
 949                         int slot;
 950                         td.forward_refs [in_offset] = td.forward_refs [j];
 951                         if (td.in_offsets [j] < 0) {
 952                                 int old_switch_offset = -td.in_offsets [j];
 953                                 int new_switch_offset = td.in_offsets [old_switch_offset];
 954                                 int switch_case = (j - old_switch_offset - 5) / 4;
 955                                 int n_cases = read32 (header->code + old_switch_offset + 1);
 956                                 offset = (td.new_ip - td.new_code) - (new_switch_offset + 2 * n_cases + 3);
 957                                 slot = new_switch_offset + 3 + 2 * switch_case;
 958                                 td.new_code [slot] = * (unsigned short *)(&offset);
 959                                 td.new_code [slot + 1] = * ((unsigned short *)&offset + 1);
 960                         } else {
 961                                 int op = td.new_code [td.in_offsets [j]];
 962                                 if (mono_interp_opargtype [op] == MintOpShortBranch) {
 963                                         offset = (td.new_ip - td.new_code) - td.in_offsets [j];
 964                                         g_assert (offset <= 32767);
 965                                         slot = td.in_offsets [j] + 1;
 966                                         td.new_code [slot] = offset;
 967                                 } else {
 968                                         offset = (td.new_ip - td.new_code) - td.in_offsets [j];
 969                                         slot = td.in_offsets [j] + 1;
 970                                         td.new_code [slot] = * (unsigned short *)(&offset);
 971                                         td.new_code [slot + 1] = * ((unsigned short *)&offset + 1);
 972                                 }
 973                         }
 974                 }
 975                 if (td.stack_height [in_offset] >= 0) {
 976                         g_assert (is_bb_start [in_offset]);
 977                         if (td.stack_height [in_offset] > 0)
 978                                 memcpy (td.stack, td.stack_state [in_offset], td.stack_height [in_offset] * sizeof(td.stack [0]));
 979                         td.sp = td.stack + td.stack_height [in_offset];
 980                         td.vt_sp = td.vt_stack_size [in_offset];
 981                 }
 982                 if (is_bb_start [in_offset]) {
 983                         generating_code = 1;
 984                 }
 985                 if (!generating_code) {
 986                         while (td.ip < end && !is_bb_start [td.ip - td.il_code])
 987                                 ++td.ip;
 988                         continue;
 989                 }
 990                 if (mono_interp_traceopt > 1) {
 991                         printf("IL_%04lx %s %-10s -> IL_%04lx, sp %ld, %s %-12s vt_sp %u (max %u)\n",
 992                                 td.ip - td.il_code,
 993                                 td.is_bb_start [td.ip - td.il_code] == 3 ? "<>" :
 994                                 td.is_bb_start [td.ip - td.il_code] == 2 ? "< " :
 995                                 td.is_bb_start [td.ip - td.il_code] == 1 ? " >" : "  ",
 996                                 mono_opcode_name (*td.ip), td.new_ip - td.new_code, td.sp - td.stack,
 997                                 td.sp > td.stack ? stack_type_string [td.sp [-1].type] : "  ",
 998                                 (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) : "",
 999                                 td.vt_sp, td.max_vt_sp);
1000                 }
1001                 switch (*td.ip) {
1002                 case CEE_NOP:
1003                         /* lose it */
1004                         ++td.ip;
1005                         break;
1006                 case CEE_BREAK:
1007                         SIMPLE_OP(td, MINT_BREAK);
1008                         break;
1009                 case CEE_LDARG_0:
1010                 case CEE_LDARG_1:
1011                 case CEE_LDARG_2:
1012                 case CEE_LDARG_3:
1013                         load_arg (&td, *td.ip - CEE_LDARG_0);
1014                         ++td.ip;
1015                         break;
1016                 case CEE_LDLOC_0:
1017                 case CEE_LDLOC_1:
1018                 case CEE_LDLOC_2:
1019                 case CEE_LDLOC_3:
1020                         load_local (&td, *td.ip - CEE_LDLOC_0);
1021                         ++td.ip;
1022                         break;
1023                 case CEE_STLOC_0:
1024                 case CEE_STLOC_1:
1025                 case CEE_STLOC_2:
1026                 case CEE_STLOC_3:
1027                         store_local (&td, *td.ip - CEE_STLOC_0);
1028                         ++td.ip;
1029                         break;
1030                 case CEE_LDARG_S:
1031                         load_arg (&td, ((guint8 *)td.ip)[1]);
1032                         td.ip += 2;
1033                         break;
1034                 case CEE_LDARGA_S: {
1035                         /* NOTE: n includes this */
1036                         int n = ((guint8 *)td.ip)[1];
1037                         if (n == 0 && signature->hasthis) {
1038                                 g_error ("LDTHISA: NOPE");
1039                                 ADD_CODE(&td, MINT_LDTHISA);
1040                         }
1041                         else {
1042                                 ADD_CODE(&td, MINT_LDARGA);
1043                                 ADD_CODE(&td, td.rtm->arg_offsets [n]);
1044                         }
1045                         PUSH_SIMPLE_TYPE(&td, STACK_TYPE_MP);
1046                         td.ip += 2;
1047                         break;
1048                 }
1049                 case CEE_STARG_S:
1050                         store_arg (&td, ((guint8 *)td.ip)[1]);
1051                         td.ip += 2;
1052                         break;
1053                 case CEE_LDLOC_S:
1054                         load_local (&td, ((guint8 *)td.ip)[1]);
1055                         td.ip += 2;
1056                         break;
1057                 case CEE_LDLOCA_S:
1058                         ADD_CODE(&td, MINT_LDLOCA_S);
1059                         ADD_CODE(&td, td.rtm->local_offsets [((guint8 *)td.ip)[1]]);
1060                         PUSH_SIMPLE_TYPE(&td, STACK_TYPE_MP);
1061                         td.ip += 2;
1062                         break;
1063                 case CEE_STLOC_S:
1064                         store_local (&td, ((guint8 *)td.ip)[1]);
1065                         td.ip += 2;
1066                         break;
1067                 case CEE_LDNULL:
1068                         SIMPLE_OP(td, MINT_LDNULL);
1069                         PUSH_TYPE(&td, STACK_TYPE_O, NULL);
1070                         break;
1071                 case CEE_LDC_I4_M1:
1072                         SIMPLE_OP(td, MINT_LDC_I4_M1);
1073                         PUSH_SIMPLE_TYPE(&td, STACK_TYPE_I4);
1074                         break;
1075                 case CEE_LDC_I4_0:
1076                         if (!td.is_bb_start[td.ip + 1 - td.il_code] && td.ip [1] == 0xfe && td.ip [2] == CEE_CEQ &&
1077                                 td.sp > td.stack && td.sp [-1].type == STACK_TYPE_I4) {
1078                                 SIMPLE_OP(td, MINT_CEQ0_I4);
1079                                 td.ip += 2;
1080                         } else {
1081                                 SIMPLE_OP(td, MINT_LDC_I4_0);
1082                                 PUSH_SIMPLE_TYPE(&td, STACK_TYPE_I4);
1083                         }
1084                         break;
1085                 case CEE_LDC_I4_1:
1086                         if (!td.is_bb_start[td.ip + 1 - td.il_code] &&
1087                                 (td.ip [1] == CEE_ADD || td.ip [1] == CEE_SUB) && td.sp [-1].type == STACK_TYPE_I4) {
1088                                 ADD_CODE(&td, td.ip [1] == CEE_ADD ? MINT_ADD1_I4 : MINT_SUB1_I4);
1089                                 td.ip += 2;
1090                         } else {
1091                                 SIMPLE_OP(td, MINT_LDC_I4_1);
1092                                 PUSH_SIMPLE_TYPE(&td, STACK_TYPE_I4);
1093                         }
1094                         break;
1095                 case CEE_LDC_I4_2:
1096                 case CEE_LDC_I4_3:
1097                 case CEE_LDC_I4_4:
1098                 case CEE_LDC_I4_5:
1099                 case CEE_LDC_I4_6:
1100                 case CEE_LDC_I4_7:
1101                 case CEE_LDC_I4_8:
1102                         SIMPLE_OP(td, (*td.ip - CEE_LDC_I4_0) + MINT_LDC_I4_0);
1103                         PUSH_SIMPLE_TYPE(&td, STACK_TYPE_I4);
1104                         break;
1105                 case CEE_LDC_I4_S:
1106                         ADD_CODE(&td, MINT_LDC_I4_S);
1107                         ADD_CODE(&td, ((gint8 *) td.ip) [1]);
1108                         td.ip += 2;
1109                         PUSH_SIMPLE_TYPE(&td, STACK_TYPE_I4);
1110                         break;
1111                 case CEE_LDC_I4:
1112                         i32 = read32 (td.ip + 1);
1113                         ADD_CODE(&td, MINT_LDC_I4);
1114                         WRITE32(&td, &i32);
1115                         td.ip += 5;
1116                         PUSH_SIMPLE_TYPE(&td, STACK_TYPE_I4);
1117                         break;
1118                 case CEE_LDC_I8: {
1119                         gint64 val = read64 (td.ip + 1);
1120                         ADD_CODE(&td, MINT_LDC_I8);
1121                         WRITE64(&td, &val);
1122                         td.ip += 9;
1123                         PUSH_SIMPLE_TYPE(&td, STACK_TYPE_I8);
1124                         break;
1125                 }
1126                 case CEE_LDC_R4: {
1127                         float val;
1128                         readr4 (td.ip + 1, &val);
1129                         ADD_CODE(&td, MINT_LDC_R4);
1130                         WRITE32(&td, &val);
1131                         td.ip += 5;
1132                         PUSH_SIMPLE_TYPE(&td, STACK_TYPE_R8);
1133                         break;
1134                 }
1135                 case CEE_LDC_R8: {
1136                         double val;
1137                         readr8 (td.ip + 1, &val);
1138                         ADD_CODE(&td, MINT_LDC_R8);
1139                         WRITE64(&td, &val);
1140                         td.ip += 9;
1141                         PUSH_SIMPLE_TYPE(&td, STACK_TYPE_R8);
1142                         break;
1143                 }
1144                 case CEE_DUP: {
1145                         int type = td.sp [-1].type;
1146                         MonoClass *klass = td.sp [-1].klass;
1147                         if (td.sp [-1].type == STACK_TYPE_VT) {
1148                                 gint32 size = mono_class_value_size (klass, NULL);
1149                                 PUSH_VT(&td, size);
1150                                 ADD_CODE(&td, MINT_DUP_VT);
1151                                 WRITE32(&td, &size);
1152                                 td.ip ++;
1153                         } else
1154                                 SIMPLE_OP(td, MINT_DUP);
1155                         PUSH_TYPE(&td, type, klass);
1156                         break;
1157                 }
1158                 case CEE_POP:
1159                         CHECK_STACK(&td, 1);
1160                         SIMPLE_OP(td, MINT_POP);
1161                         ADD_CODE (&td, 0);
1162                         if (td.sp [-1].type == STACK_TYPE_VT) {
1163                                 int size = mono_class_value_size (td.sp [-1].klass, NULL);
1164                                 size = (size + 7) & ~7;
1165                                 ADD_CODE(&td, MINT_VTRESULT);
1166                                 ADD_CODE(&td, 0);
1167                                 WRITE32(&td, &size);
1168                                 td.vt_sp -= size;
1169                         }
1170                         --td.sp;
1171                         break;
1172                 case CEE_JMP: {
1173                         MonoMethod *m;
1174                         if (td.sp > td.stack)
1175                                 g_warning ("CEE_JMP: stack must be empty");
1176                         token = read32 (td.ip + 1);
1177                         m = mono_get_method_full (image, token, NULL, generic_context);
1178                         ADD_CODE (&td, MINT_JMP);
1179                         ADD_CODE (&td, get_data_item_index (&td, mono_interp_get_runtime_method (domain, m, &error)));
1180                         mono_error_cleanup (&error); /* FIXME: don't swallow the error */
1181                         td.ip += 5;
1182                         break;
1183                 }
1184                 case CEE_CALLVIRT: /* Fall through */
1185                 case CEE_CALLI:    /* Fall through */
1186                 case CEE_CALL: {
1187                         interp_transform_call (&td, method, NULL, domain, generic_context, is_bb_start, body_start_offset, constrained_class);
1188                         constrained_class = NULL;
1189                         break;
1190                 }
1191                 case CEE_RET: {
1192                         int vt_size = 0;
1193                         if (signature->ret->type != MONO_TYPE_VOID) {
1194                                 --td.sp;
1195                                 MonoClass *klass = mono_class_from_mono_type (signature->ret);
1196                                 if (mint_type (&klass->byval_arg) == MINT_TYPE_VT) {
1197                                         vt_size = mono_class_value_size (klass, NULL);
1198                                         vt_size = (vt_size + 7) & ~7;
1199                                 }
1200                         }
1201                         if (td.sp > td.stack)
1202                                 g_warning ("%s.%s: CEE_RET: more values on stack: %d", td.method->klass->name, td.method->name, td.sp - td.stack);
1203                         if (td.vt_sp != vt_size)
1204                                 g_error ("%s.%s: CEE_RET: value type stack: %d vs. %d", td.method->klass->name, td.method->name, td.vt_sp, vt_size);
1205                         if (vt_size == 0)
1206                                 SIMPLE_OP(td, signature->ret->type == MONO_TYPE_VOID ? MINT_RET_VOID : MINT_RET);
1207                         else {
1208                                 ADD_CODE(&td, MINT_RET_VT);
1209                                 WRITE32(&td, &vt_size);
1210                                 ++td.ip;
1211                         }
1212                         generating_code = 0;
1213                         break;
1214                 }
1215                 case CEE_BR:
1216                         handle_branch (&td, MINT_BR_S, MINT_BR, 5 + read32 (td.ip + 1));
1217                         td.ip += 5;
1218                         generating_code = 0;
1219                         break;
1220                 case CEE_BR_S:
1221                         handle_branch (&td, MINT_BR_S, MINT_BR, 2 + (gint8)td.ip [1]);
1222                         td.ip += 2;
1223                         generating_code = 0;
1224                         break;
1225                 case CEE_BRFALSE:
1226                         one_arg_branch (&td, MINT_BRFALSE_I4, 5 + read32 (td.ip + 1));
1227                         td.ip += 5;
1228                         break;
1229                 case CEE_BRFALSE_S:
1230                         one_arg_branch (&td, MINT_BRFALSE_I4, 2 + (gint8)td.ip [1]);
1231                         td.ip += 2;
1232                         break;
1233                 case CEE_BRTRUE:
1234                         one_arg_branch (&td, MINT_BRTRUE_I4, 5 + read32 (td.ip + 1));
1235                         td.ip += 5;
1236                         break;
1237                 case CEE_BRTRUE_S:
1238                         one_arg_branch (&td, MINT_BRTRUE_I4, 2 + (gint8)td.ip [1]);
1239                         td.ip += 2;
1240                         break;
1241                 case CEE_BEQ:
1242                         two_arg_branch (&td, MINT_BEQ_I4, 5 + read32 (td.ip + 1));
1243                         td.ip += 5;
1244                         break;
1245                 case CEE_BEQ_S:
1246                         two_arg_branch (&td, MINT_BEQ_I4, 2 + (gint8) td.ip [1]);
1247                         td.ip += 2;
1248                         break;
1249                 case CEE_BGE:
1250                         two_arg_branch (&td, MINT_BGE_I4, 5 + read32 (td.ip + 1));
1251                         td.ip += 5;
1252                         break;
1253                 case CEE_BGE_S:
1254                         two_arg_branch (&td, MINT_BGE_I4, 2 + (gint8) td.ip [1]);
1255                         td.ip += 2;
1256                         break;
1257                 case CEE_BGT:
1258                         two_arg_branch (&td, MINT_BGT_I4, 5 + read32 (td.ip + 1));
1259                         td.ip += 5;
1260                         break;
1261                 case CEE_BGT_S:
1262                         two_arg_branch (&td, MINT_BGT_I4, 2 + (gint8) td.ip [1]);
1263                         td.ip += 2;
1264                         break;
1265                 case CEE_BLT:
1266                         two_arg_branch (&td, MINT_BLT_I4, 5 + read32 (td.ip + 1));
1267                         td.ip += 5;
1268                         break;
1269                 case CEE_BLT_S:
1270                         two_arg_branch (&td, MINT_BLT_I4, 2 + (gint8) td.ip [1]);
1271                         td.ip += 2;
1272                         break;
1273                 case CEE_BLE:
1274                         two_arg_branch (&td, MINT_BLE_I4, 5 + read32 (td.ip + 1));
1275                         td.ip += 5;
1276                         break;
1277                 case CEE_BLE_S:
1278                         two_arg_branch (&td, MINT_BLE_I4, 2 + (gint8) td.ip [1]);
1279                         td.ip += 2;
1280                         break;
1281                 case CEE_BNE_UN:
1282                         two_arg_branch (&td, MINT_BNE_UN_I4, 5 + read32 (td.ip + 1));
1283                         td.ip += 5;
1284                         break;
1285                 case CEE_BNE_UN_S:
1286                         two_arg_branch (&td, MINT_BNE_UN_I4, 2 + (gint8) td.ip [1]);
1287                         td.ip += 2;
1288                         break;
1289                 case CEE_BGE_UN:
1290                         two_arg_branch (&td, MINT_BGE_UN_I4, 5 + read32 (td.ip + 1));
1291                         td.ip += 5;
1292                         break;
1293                 case CEE_BGE_UN_S:
1294                         two_arg_branch (&td, MINT_BGE_UN_I4, 2 + (gint8) td.ip [1]);
1295                         td.ip += 2;
1296                         break;
1297                 case CEE_BGT_UN:
1298                         two_arg_branch (&td, MINT_BGT_UN_I4, 5 + read32 (td.ip + 1));
1299                         td.ip += 5;
1300                         break;
1301                 case CEE_BGT_UN_S:
1302                         two_arg_branch (&td, MINT_BGT_UN_I4, 2 + (gint8) td.ip [1]);
1303                         td.ip += 2;
1304                         break;
1305                 case CEE_BLE_UN:
1306                         two_arg_branch (&td, MINT_BLE_UN_I4, 5 + read32 (td.ip + 1));
1307                         td.ip += 5;
1308                         break;
1309                 case CEE_BLE_UN_S:
1310                         two_arg_branch (&td, MINT_BLE_UN_I4, 2 + (gint8) td.ip [1]);
1311                         td.ip += 2;
1312                         break;
1313                 case CEE_BLT_UN:
1314                         two_arg_branch (&td, MINT_BLT_UN_I4, 5 + read32 (td.ip + 1));
1315                         td.ip += 5;
1316                         break;
1317                 case CEE_BLT_UN_S:
1318                         two_arg_branch (&td, MINT_BLT_UN_I4, 2 + (gint8) td.ip [1]);
1319                         td.ip += 2;
1320                         break;
1321                 case CEE_SWITCH: {
1322                         guint32 n;
1323                         const unsigned char *next_ip;
1324                         const unsigned char *base_ip = td.ip;
1325                         unsigned short *next_new_ip;
1326                         ++td.ip;
1327                         n = read32 (td.ip);
1328                         ADD_CODE(&td, MINT_SWITCH);
1329                         ADD_CODE(&td, * (unsigned short *)(&n));
1330                         ADD_CODE(&td, * ((unsigned short *)&n + 1));
1331                         td.ip += 4;
1332                         next_ip = td.ip + n * 4;
1333                         next_new_ip = td.new_ip + n * 2;
1334                         for (i = 0; i < n; i++) {
1335                                 offset = read32 (td.ip);
1336                                 target = next_ip - td.il_code + offset;
1337                                 if (offset < 0)
1338                                         target = td.in_offsets [target] - (next_new_ip - td.new_code);
1339                                 else {
1340                                         int prev = td.forward_refs [target];
1341                                         td.forward_refs [td.ip - td.il_code] = prev;
1342                                         td.forward_refs [target] = td.ip - td.il_code;
1343                                         td.in_offsets [td.ip - td.il_code] = - (base_ip - td.il_code);
1344                                 }
1345                                 ADD_CODE(&td, * (unsigned short *)(&target));
1346                                 ADD_CODE(&td, * ((unsigned short *)&target + 1));
1347                                 td.ip += 4;
1348                         }
1349                         --td.sp;
1350                         break;
1351                 }
1352                 case CEE_LDIND_I1:
1353                         CHECK_STACK (&td, 1);
1354                         SIMPLE_OP (td, MINT_LDIND_I1);
1355                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
1356                         break;
1357                 case CEE_LDIND_U1:
1358                         CHECK_STACK (&td, 1);
1359                         SIMPLE_OP (td, MINT_LDIND_U1);
1360                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
1361                         break;
1362                 case CEE_LDIND_I2:
1363                         CHECK_STACK (&td, 1);
1364                         SIMPLE_OP (td, MINT_LDIND_I2);
1365                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
1366                         break;
1367                 case CEE_LDIND_U2:
1368                         CHECK_STACK (&td, 1);
1369                         SIMPLE_OP (td, MINT_LDIND_U2);
1370                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
1371                         break;
1372                 case CEE_LDIND_I4:
1373                         CHECK_STACK (&td, 1);
1374                         SIMPLE_OP (td, MINT_LDIND_I4);
1375                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
1376                         break;
1377                 case CEE_LDIND_U4:
1378                         CHECK_STACK (&td, 1);
1379                         SIMPLE_OP (td, MINT_LDIND_U4);
1380                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
1381                         break;
1382                 case CEE_LDIND_I8:
1383                         CHECK_STACK (&td, 1);
1384                         SIMPLE_OP (td, MINT_LDIND_I8);
1385                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I8);
1386                         break;
1387                 case CEE_LDIND_I:
1388                         CHECK_STACK (&td, 1);
1389                         SIMPLE_OP (td, MINT_LDIND_I);
1390                         ADD_CODE (&td, 0);
1391                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I);
1392                         break;
1393                 case CEE_LDIND_R4:
1394                         CHECK_STACK (&td, 1);
1395                         SIMPLE_OP (td, MINT_LDIND_R4);
1396                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_R8);
1397                         break;
1398                 case CEE_LDIND_R8:
1399                         CHECK_STACK (&td, 1);
1400                         SIMPLE_OP (td, MINT_LDIND_R8);
1401                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_R8);
1402                         break;
1403                 case CEE_LDIND_REF:
1404                         CHECK_STACK (&td, 1);
1405                         SIMPLE_OP (td, MINT_LDIND_REF);
1406                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_O);
1407                         break;
1408                 case CEE_STIND_REF:
1409                         CHECK_STACK (&td, 2);
1410                         SIMPLE_OP (td, MINT_STIND_REF);
1411                         td.sp -= 2;
1412                         break;
1413                 case CEE_STIND_I1:
1414                         CHECK_STACK (&td, 2);
1415                         SIMPLE_OP (td, MINT_STIND_I1);
1416                         td.sp -= 2;
1417                         break;
1418                 case CEE_STIND_I2:
1419                         CHECK_STACK (&td, 2);
1420                         SIMPLE_OP (td, MINT_STIND_I2);
1421                         td.sp -= 2;
1422                         break;
1423                 case CEE_STIND_I4:
1424                         CHECK_STACK (&td, 2);
1425                         SIMPLE_OP (td, MINT_STIND_I4);
1426                         td.sp -= 2;
1427                         break;
1428                 case CEE_STIND_I:
1429                         CHECK_STACK (&td, 2);
1430                         SIMPLE_OP (td, MINT_STIND_I);
1431                         td.sp -= 2;
1432                         break;
1433                 case CEE_STIND_I8:
1434                         CHECK_STACK (&td, 2);
1435                         SIMPLE_OP (td, MINT_STIND_I8);
1436                         td.sp -= 2;
1437                         break;
1438                 case CEE_STIND_R4:
1439                         CHECK_STACK (&td, 2);
1440                         SIMPLE_OP (td, MINT_STIND_R4);
1441                         td.sp -= 2;
1442                         break;
1443                 case CEE_STIND_R8:
1444                         CHECK_STACK (&td, 2);
1445                         SIMPLE_OP (td, MINT_STIND_R8);
1446                         td.sp -= 2;
1447                         break;
1448                 case CEE_ADD:
1449                         binary_arith_op(&td, MINT_ADD_I4);
1450                         ++td.ip;
1451                         break;
1452                 case CEE_SUB:
1453                         binary_arith_op(&td, MINT_SUB_I4);
1454                         ++td.ip;
1455                         break;
1456                 case CEE_MUL:
1457                         binary_arith_op(&td, MINT_MUL_I4);
1458                         ++td.ip;
1459                         break;
1460                 case CEE_DIV:
1461                         binary_arith_op(&td, MINT_DIV_I4);
1462                         ++td.ip;
1463                         break;
1464                 case CEE_DIV_UN:
1465                         binary_arith_op(&td, MINT_DIV_UN_I4);
1466                         ++td.ip;
1467                         break;
1468                 case CEE_REM:
1469                         binary_int_op (&td, MINT_REM_I4);
1470                         ++td.ip;
1471                         break;
1472                 case CEE_REM_UN:
1473                         binary_int_op (&td, MINT_REM_UN_I4);
1474                         ++td.ip;
1475                         break;
1476                 case CEE_AND:
1477                         binary_int_op (&td, MINT_AND_I4);
1478                         ++td.ip;
1479                         break;
1480                 case CEE_OR:
1481                         binary_int_op (&td, MINT_OR_I4);
1482                         ++td.ip;
1483                         break;
1484                 case CEE_XOR:
1485                         binary_int_op (&td, MINT_XOR_I4);
1486                         ++td.ip;
1487                         break;
1488                 case CEE_SHL:
1489                         shift_op (&td, MINT_SHL_I4);
1490                         ++td.ip;
1491                         break;
1492                 case CEE_SHR:
1493                         shift_op (&td, MINT_SHR_I4);
1494                         ++td.ip;
1495                         break;
1496                 case CEE_SHR_UN:
1497                         shift_op (&td, MINT_SHR_UN_I4);
1498                         ++td.ip;
1499                         break;
1500                 case CEE_NEG:
1501                         unary_arith_op (&td, MINT_NEG_I4);
1502                         ++td.ip;
1503                         break;
1504                 case CEE_NOT:
1505                         unary_arith_op (&td, MINT_NOT_I4);
1506                         ++td.ip;
1507                         break;
1508                 case CEE_CONV_U1:
1509                         CHECK_STACK (&td, 1);
1510                         switch (td.sp [-1].type) {
1511                         case STACK_TYPE_R8:
1512                                 ADD_CODE(&td, MINT_CONV_U1_R8);
1513                                 break;
1514                         case STACK_TYPE_I4:
1515                                 ADD_CODE(&td, MINT_CONV_U1_I4);
1516                                 break;
1517                         case STACK_TYPE_I8:
1518                                 ADD_CODE(&td, MINT_CONV_U1_I8);
1519                                 break;
1520                         default:
1521                                 g_assert_not_reached ();
1522                         }
1523                         ++td.ip;
1524                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
1525                         break;
1526                 case CEE_CONV_I1:
1527                         CHECK_STACK (&td, 1);
1528                         switch (td.sp [-1].type) {
1529                         case STACK_TYPE_R8:
1530                                 ADD_CODE(&td, MINT_CONV_I1_R8);
1531                                 break;
1532                         case STACK_TYPE_I4:
1533                                 ADD_CODE(&td, MINT_CONV_I1_I4);
1534                                 break;
1535                         case STACK_TYPE_I8:
1536                                 ADD_CODE(&td, MINT_CONV_I1_I8);
1537                                 break;
1538                         default:
1539                                 g_assert_not_reached ();
1540                         }
1541                         ++td.ip;
1542                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
1543                         break;
1544                 case CEE_CONV_U2:
1545                         CHECK_STACK (&td, 1);
1546                         switch (td.sp [-1].type) {
1547                         case STACK_TYPE_R8:
1548                                 ADD_CODE(&td, MINT_CONV_U2_R8);
1549                                 break;
1550                         case STACK_TYPE_I4:
1551                                 ADD_CODE(&td, MINT_CONV_U2_I4);
1552                                 break;
1553                         case STACK_TYPE_I8:
1554                                 ADD_CODE(&td, MINT_CONV_U2_I8);
1555                                 break;
1556                         default:
1557                                 g_assert_not_reached ();
1558                         }
1559                         ++td.ip;
1560                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
1561                         break;
1562                 case CEE_CONV_I2:
1563                         CHECK_STACK (&td, 1);
1564                         switch (td.sp [-1].type) {
1565                         case STACK_TYPE_R8:
1566                                 ADD_CODE(&td, MINT_CONV_I2_R8);
1567                                 break;
1568                         case STACK_TYPE_I4:
1569                                 ADD_CODE(&td, MINT_CONV_I2_I4);
1570                                 break;
1571                         case STACK_TYPE_I8:
1572                                 ADD_CODE(&td, MINT_CONV_I2_I8);
1573                                 break;
1574                         default:
1575                                 g_assert_not_reached ();
1576                         }
1577                         ++td.ip;
1578                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
1579                         break;
1580                 case CEE_CONV_U:
1581                         CHECK_STACK (&td, 1);
1582                         switch (td.sp [-1].type) {
1583                         case STACK_TYPE_R8:
1584 #if SIZEOF_VOID_P == 4
1585                                 ADD_CODE(&td, MINT_CONV_U4_R8);
1586 #else
1587                                 ADD_CODE(&td, MINT_CONV_U8_R8);
1588 #endif
1589                                 break;
1590                         case STACK_TYPE_I4:
1591 #if SIZEOF_VOID_P == 8
1592                                 ADD_CODE(&td, MINT_CONV_U8_I4);
1593 #endif
1594                                 break;
1595                         case STACK_TYPE_I8:
1596 #if SIZEOF_VOID_P == 4
1597                                 ADD_CODE(&td, MINT_CONV_U4_I8);
1598 #endif
1599                                 break;
1600                         case STACK_TYPE_MP:
1601                                 break;
1602                         default:
1603                                 g_assert_not_reached ();
1604                         }
1605                         ++td.ip;
1606                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I);
1607                         break;
1608                 case CEE_CONV_I:
1609                         CHECK_STACK (&td, 1);
1610                         switch (td.sp [-1].type) {
1611                         case STACK_TYPE_R8:
1612 #if SIZEOF_VOID_P == 8
1613                                 ADD_CODE(&td, MINT_CONV_I8_R8);
1614 #else
1615                                 ADD_CODE(&td, MINT_CONV_I4_R8);
1616 #endif
1617                                 break;
1618                         case STACK_TYPE_I4:
1619 #if SIZEOF_VOID_P == 8
1620                                 ADD_CODE(&td, MINT_CONV_I8_I4);
1621 #endif
1622                                 break;
1623                         case STACK_TYPE_O:
1624                                 break;
1625                         case STACK_TYPE_MP:
1626                                 break;
1627                         case STACK_TYPE_I8:
1628 #if SIZEOF_VOID_P == 4
1629                                 ADD_CODE(&td, MINT_CONV_I4_I8);
1630 #endif
1631                                 break;
1632                         default:
1633                                 g_assert_not_reached ();
1634                         }
1635                         ++td.ip;
1636                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I);
1637                         break;
1638                 case CEE_CONV_U4:
1639                         CHECK_STACK (&td, 1);
1640                         switch (td.sp [-1].type) {
1641                         case STACK_TYPE_R8:
1642                                 ADD_CODE(&td, MINT_CONV_U4_R8);
1643                                 break;
1644                         case STACK_TYPE_I4:
1645                                 break;
1646                         case STACK_TYPE_I8:
1647                                 ADD_CODE(&td, MINT_CONV_U4_I8);
1648                                 break;
1649                         case STACK_TYPE_MP:
1650 #if SIZEOF_VOID_P == 8
1651                                 ADD_CODE(&td, MINT_CONV_U4_I8);
1652 #endif
1653                                 break;
1654                         default:
1655                                 g_assert_not_reached ();
1656                         }
1657                         ++td.ip;
1658                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
1659                         break;
1660                 case CEE_CONV_I4:
1661                         CHECK_STACK (&td, 1);
1662                         switch (td.sp [-1].type) {
1663                         case STACK_TYPE_R8:
1664                                 ADD_CODE(&td, MINT_CONV_I4_R8);
1665                                 break;
1666                         case STACK_TYPE_I4:
1667                                 break;
1668                         case STACK_TYPE_I8:
1669                                 ADD_CODE(&td, MINT_CONV_I4_I8);
1670                                 break;
1671                         case STACK_TYPE_MP:
1672 #if SIZEOF_VOID_P == 8
1673                                 ADD_CODE(&td, MINT_CONV_I4_I8);
1674 #endif
1675                                 break;
1676                         default:
1677                                 g_assert_not_reached ();
1678                         }
1679                         ++td.ip;
1680                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
1681                         break;
1682                 case CEE_CONV_I8:
1683                         CHECK_STACK (&td, 1);
1684                         switch (td.sp [-1].type) {
1685                         case STACK_TYPE_R8:
1686                                 ADD_CODE(&td, MINT_CONV_I8_R8);
1687                                 break;
1688                         case STACK_TYPE_I4:
1689                                 ADD_CODE(&td, MINT_CONV_I8_I4);
1690                                 break;
1691                         case STACK_TYPE_I8:
1692                                 break;
1693                         case STACK_TYPE_MP:
1694 #if SIZEOF_VOID_P == 4
1695                                 ADD_CODE(&td, MINT_CONV_I8_I4);
1696 #endif
1697                                 break;
1698                         default:
1699                                 g_assert_not_reached ();
1700                         }
1701                         ++td.ip;
1702                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I8);
1703                         break;
1704                 case CEE_CONV_R4:
1705                         CHECK_STACK (&td, 1);
1706                         switch (td.sp [-1].type) {
1707                         case STACK_TYPE_R8:
1708                                 ADD_CODE(&td, MINT_CONV_R4_R8);
1709                                 break;
1710                         case STACK_TYPE_I8:
1711                                 ADD_CODE(&td, MINT_CONV_R4_I8);
1712                                 break;
1713                         case STACK_TYPE_I4:
1714                                 ADD_CODE(&td, MINT_CONV_R4_I4);
1715                                 break;
1716                         default:
1717                                 g_assert_not_reached ();
1718                         }
1719                         ++td.ip;
1720                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_R8);
1721                         break;
1722                 case CEE_CONV_R8:
1723                         CHECK_STACK (&td, 1);
1724                         switch (td.sp [-1].type) {
1725                         case STACK_TYPE_I4:
1726                                 ADD_CODE(&td, MINT_CONV_R8_I4);
1727                                 break;
1728                         case STACK_TYPE_I8:
1729                                 ADD_CODE(&td, MINT_CONV_R8_I8);
1730                                 break;
1731                         case STACK_TYPE_R8:
1732                                 break;
1733                         default:
1734                                 g_assert_not_reached ();
1735                         }
1736                         ++td.ip;
1737                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_R8);
1738                         break;
1739                 case CEE_CONV_U8:
1740                         CHECK_STACK (&td, 1);
1741                         switch (td.sp [-1].type) {
1742                         case STACK_TYPE_I4:
1743                                 ADD_CODE(&td, MINT_CONV_U8_I4);
1744                                 break;
1745                         case STACK_TYPE_I8:
1746                                 break;
1747                         case STACK_TYPE_R8:
1748                                 ADD_CODE(&td, MINT_CONV_U8_R8);
1749                                 break;
1750                         case STACK_TYPE_MP:
1751 #if SIZEOF_VOID_P == 4
1752                                 ADD_CODE(&td, MINT_CONV_U8_I4);
1753 #endif
1754                                 break;
1755                         default:
1756                                 g_assert_not_reached ();
1757                         }
1758                         ++td.ip;
1759                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I8);
1760                         break;
1761 #if 0
1762                 case CEE_CPOBJ: {
1763                         MonoClass *vtklass;
1764                         ++ip;
1765                         vtklass = mono_class_get_full (image, read32 (ip), generic_context);
1766                         ip += 4;
1767                         sp -= 2;
1768                         memcpy (sp [0].data.p, sp [1].data.p, mono_class_value_size (vtklass, NULL));
1769                         break;
1770                 }
1771 #endif
1772                 case CEE_LDOBJ: {
1773                         int size;
1774                         CHECK_STACK (&td, 1);
1775
1776                         token = read32 (td.ip + 1);
1777
1778                         if (method->wrapper_type != MONO_WRAPPER_NONE)
1779                                 klass = (MonoClass *)mono_method_get_wrapper_data (method, token);
1780                         else
1781                                 klass = mono_class_get_full (image, token, generic_context);
1782
1783                         ADD_CODE(&td, MINT_LDOBJ);
1784                         ADD_CODE(&td, get_data_item_index(&td, klass));
1785                         if (mint_type (&klass->byval_arg) == MINT_TYPE_VT) {
1786                                 size = mono_class_value_size (klass, NULL);
1787                                 PUSH_VT(&td, size);
1788                         }
1789                         td.ip += 5;
1790                         SET_TYPE(td.sp - 1, stack_type[mint_type(&klass->byval_arg)], klass);
1791                         break;
1792                 }
1793                 case CEE_LDSTR: {
1794                         MonoString *s;
1795                         token = mono_metadata_token_index (read32 (td.ip + 1));
1796                         td.ip += 5;
1797                         if (method->wrapper_type != MONO_WRAPPER_NONE) {
1798                                 s = mono_string_new_wrapper(
1799                                         mono_method_get_wrapper_data (method, token));
1800                         }
1801                         else
1802                                 s = mono_ldstr (domain, image, token);
1803                         ADD_CODE(&td, MINT_LDSTR);
1804                         ADD_CODE(&td, get_data_item_index (&td, s));
1805                         PUSH_TYPE(&td, STACK_TYPE_O, mono_defaults.string_class);
1806                         break;
1807                 }
1808                 case CEE_NEWOBJ: {
1809                         MonoMethod *m;
1810                         MonoMethodSignature *csignature;
1811                         guint32 vt_stack_used = 0;
1812                         guint32 vt_res_size = 0;
1813
1814                         td.ip++;
1815                         token = read32 (td.ip);
1816                         td.ip += 4;
1817
1818                         if (method->wrapper_type != MONO_WRAPPER_NONE)
1819                                 m = (MonoMethod *)mono_method_get_wrapper_data (method, token);
1820                         else
1821                                 m = mono_get_method_full (image, token, NULL, generic_context);
1822
1823                         csignature = mono_method_signature (m);
1824                         klass = m->klass;
1825                         td.sp -= csignature->param_count;
1826                         ADD_CODE(&td, MINT_NEWOBJ);
1827                         ADD_CODE(&td, get_data_item_index (&td, mono_interp_get_runtime_method (domain, m, &error)));
1828                         mono_error_cleanup (&error); /* FIXME: don't swallow the error */
1829
1830                         if (mint_type (&klass->byval_arg) == MINT_TYPE_VT) {
1831                                 vt_res_size = mono_class_value_size (klass, NULL);
1832                                 PUSH_VT (&td, vt_res_size);
1833                         }
1834                         for (i = 0; i < csignature->param_count; ++i) {
1835                                 int mt = mint_type(csignature->params [i]);
1836                                 if (mt == MINT_TYPE_VT) {
1837                                         MonoClass *k = mono_class_from_mono_type (csignature->params [i]);
1838                                         gint32 size = mono_class_value_size (k, NULL);
1839                                         size = (size + 7) & ~7;
1840                                         vt_stack_used += size;
1841                                 }
1842                         }
1843                         if (vt_stack_used != 0 || vt_res_size != 0) {
1844                                 ADD_CODE(&td, MINT_VTRESULT);
1845                                 ADD_CODE(&td, vt_res_size);
1846                                 WRITE32(&td, &vt_stack_used);
1847                                 td.vt_sp -= vt_stack_used;
1848                         }
1849                         PUSH_TYPE (&td, stack_type [mint_type (&klass->byval_arg)], klass);
1850                         break;
1851                 }
1852                 case CEE_CASTCLASS:
1853                         CHECK_STACK (&td, 1);
1854                         token = read32 (td.ip + 1);
1855                         klass = mono_class_get_full (image, token, generic_context);
1856                         ADD_CODE(&td, MINT_CASTCLASS);
1857                         ADD_CODE(&td, get_data_item_index (&td, klass));
1858                         td.sp [-1].klass = klass;
1859                         td.ip += 5;
1860                         break;
1861                 case CEE_ISINST:
1862                         CHECK_STACK (&td, 1);
1863                         token = read32 (td.ip + 1);
1864                         klass = mono_class_get_full (image, token, generic_context);
1865                         ADD_CODE(&td, MINT_ISINST);
1866                         ADD_CODE(&td, get_data_item_index (&td, klass));
1867                         td.ip += 5;
1868                         break;
1869                 case CEE_CONV_R_UN:
1870                         switch (td.sp [-1].type) {
1871                         case STACK_TYPE_R8:
1872                                 break;
1873                         case STACK_TYPE_I8:
1874                                 ADD_CODE(&td, MINT_CONV_R_UN_I8);
1875                                 break;
1876                         case STACK_TYPE_I4:
1877                                 ADD_CODE(&td, MINT_CONV_R_UN_I4);
1878                                 break;
1879                         default:
1880                                 g_assert_not_reached ();
1881                         }
1882                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_R8);
1883                         ++td.ip;
1884                         break;
1885                 case CEE_UNBOX:
1886                         CHECK_STACK (&td, 1);
1887                         token = read32 (td.ip + 1);
1888
1889                         if (method->wrapper_type != MONO_WRAPPER_NONE)
1890                                 klass = (MonoClass *)mono_method_get_wrapper_data (method, token);
1891                         else
1892                                 klass = mono_class_get_full (image, token, generic_context);
1893
1894                         if (mono_class_is_nullable (klass)) {
1895                                 g_error ("cee_unbox: implement Nullable");
1896                         }
1897
1898                         ADD_CODE(&td, MINT_UNBOX);
1899                         ADD_CODE(&td, get_data_item_index (&td, klass));
1900                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_MP);
1901                         td.ip += 5;
1902                         break;
1903                 case CEE_UNBOX_ANY:
1904                         CHECK_STACK (&td, 1);
1905                         token = read32 (td.ip + 1);
1906
1907                         g_assert (method->wrapper_type == MONO_WRAPPER_NONE);
1908                         klass = mono_class_get_full (image, token, generic_context);
1909
1910                         if (mini_type_is_reference (&klass->byval_arg)) {
1911                                 g_error ("unbox_any: generic class is reference type");
1912                         } else if (mono_class_is_nullable (klass)) {
1913                                 MonoMethod *target_method = mono_class_get_method_from_name (klass, "Unbox", 1);
1914                                 /* td.ip is incremented by interp_transform_call */
1915                                 interp_transform_call (&td, method, target_method, domain, generic_context, is_bb_start, body_start_offset, NULL);
1916                         } else {
1917                                 int mt = mint_type (&klass->byval_arg);
1918                                 ADD_CODE (&td, MINT_UNBOX);
1919                                 ADD_CODE (&td, get_data_item_index (&td, klass));
1920                                 SET_TYPE (td.sp - 1, stack_type [mt], klass);
1921                                 if (mt == MINT_TYPE_VT) {
1922                                         int size = mono_class_value_size (klass, NULL);
1923                                         PUSH_VT (&td, size);
1924                                 }
1925                                 td.ip += 5;
1926                         }
1927
1928                         break;
1929                 case CEE_THROW:
1930                         CHECK_STACK (&td, 1);
1931                         SIMPLE_OP (td, MINT_THROW);
1932                         --td.sp;
1933                         generating_code = 0;
1934                         break;
1935                 case CEE_LDFLDA:
1936                         CHECK_STACK (&td, 1);
1937                         token = read32 (td.ip + 1);
1938                         field = mono_field_from_token (image, token, &klass, generic_context);
1939                         mono_class_init (klass);
1940                         mt = mint_type(field->type);
1941                         ADD_CODE(&td, MINT_LDFLDA);
1942                         ADD_CODE(&td, klass->valuetype ? field->offset - sizeof(MonoObject) : field->offset);
1943                         td.ip += 5;
1944                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_MP);
1945                         break;
1946                 case CEE_LDFLD: {
1947                         CHECK_STACK (&td, 1);
1948                         token = read32 (td.ip + 1);
1949                         field = mono_field_from_token (image, token, &klass, generic_context);
1950                         mono_class_init (klass);
1951
1952                         MonoClass *field_klass = mono_class_from_mono_type (field->type);
1953                         mt = mint_type (&field_klass->byval_arg);
1954                         if (klass->marshalbyref) {
1955                                 ADD_CODE(&td, mt == MINT_TYPE_VT ? MINT_LDRMFLD_VT :  MINT_LDRMFLD);
1956                                 ADD_CODE(&td, get_data_item_index (&td, field));
1957                         } else  {
1958                                 ADD_CODE(&td, MINT_LDFLD_I1 + mt - MINT_TYPE_I1);
1959                                 ADD_CODE(&td, klass->valuetype ? field->offset - sizeof(MonoObject) : field->offset);
1960                         }
1961                         if (mt == MINT_TYPE_VT) {
1962                                 int size = mono_class_value_size (field_klass, NULL);
1963                                 PUSH_VT(&td, size);
1964                                 WRITE32(&td, &size);
1965                         }
1966                         if (td.sp [-1].type == STACK_TYPE_VT) {
1967                                 int size = mono_class_value_size (klass, NULL);
1968                                 size = (size + 7) & ~7;
1969                                 td.vt_sp -= size;
1970                                 ADD_CODE (&td, MINT_VTRESULT);
1971                                 ADD_CODE (&td, 0);
1972                                 WRITE32 (&td, &size);
1973                         }
1974                         td.ip += 5;
1975                         SET_TYPE(td.sp - 1, stack_type [mt], field_klass);
1976                         break;
1977                 }
1978                 case CEE_STFLD:
1979                         CHECK_STACK (&td, 2);
1980                         token = read32 (td.ip + 1);
1981                         field = mono_field_from_token (image, token, &klass, generic_context);
1982                         mono_class_init (klass);
1983                         mt = mint_type(field->type);
1984                         if (klass->marshalbyref) {
1985                                 ADD_CODE(&td, mt == MINT_TYPE_VT ? MINT_STRMFLD_VT : MINT_STRMFLD);
1986                                 ADD_CODE(&td, get_data_item_index (&td, field));
1987                         } else  {
1988                                 ADD_CODE(&td, MINT_STFLD_I1 + mt - MINT_TYPE_I1);
1989                                 ADD_CODE(&td, klass->valuetype ? field->offset - sizeof(MonoObject) : field->offset);
1990                         }
1991                         if (mt == MINT_TYPE_VT) {
1992                                 MonoClass *klass = mono_class_from_mono_type (field->type);
1993                                 int size = mono_class_value_size (klass, NULL);
1994                                 POP_VT(&td, size);
1995                                 WRITE32(&td, &size);
1996                         }
1997                         td.ip += 5;
1998                         td.sp -= 2;
1999                         break;
2000                 case CEE_LDSFLDA:
2001                         token = read32 (td.ip + 1);
2002                         field = mono_field_from_token (image, token, &klass, generic_context);
2003                         ADD_CODE(&td, MINT_LDSFLDA);
2004                         ADD_CODE(&td, get_data_item_index (&td, field));
2005                         td.ip += 5;
2006                         PUSH_SIMPLE_TYPE(&td, STACK_TYPE_MP);
2007                         break;
2008                 case CEE_LDSFLD:
2009                         token = read32 (td.ip + 1);
2010                         field = mono_field_from_token (image, token, &klass, generic_context);
2011                         mt = mint_type(field->type);
2012                         ADD_CODE(&td, mt == MINT_TYPE_VT ? MINT_LDSFLD_VT : MINT_LDSFLD);
2013                         ADD_CODE(&td, get_data_item_index (&td, field));
2014                         klass = NULL;
2015                         if (mt == MINT_TYPE_VT) {
2016                                 MonoClass *klass = mono_class_from_mono_type (field->type);
2017                                 int size = mono_class_value_size (klass, NULL);
2018                                 PUSH_VT(&td, size);
2019                                 WRITE32(&td, &size);
2020                                 klass = field->type->data.klass;
2021                         } else {
2022                                 if (mt == MINT_TYPE_O)
2023                                         klass = mono_class_from_mono_type (field->type);
2024                         }
2025                         td.ip += 5;
2026                         PUSH_TYPE(&td, stack_type [mt], klass);
2027                         break;
2028                 case CEE_STSFLD:
2029                         CHECK_STACK (&td, 1);
2030                         token = read32 (td.ip + 1);
2031                         field = mono_field_from_token (image, token, &klass, generic_context);
2032                         mt = mint_type(field->type);
2033                         ADD_CODE(&td, mt == MINT_TYPE_VT ? MINT_STSFLD_VT : MINT_STSFLD);
2034                         ADD_CODE(&td, get_data_item_index (&td, field));
2035                         if (mt == MINT_TYPE_VT) {
2036                                 MonoClass *klass = mono_class_from_mono_type (field->type);
2037                                 int size = mono_class_value_size (klass, NULL);
2038                                 POP_VT (&td, size);
2039                                 WRITE32 (&td, &size);
2040                         }
2041                         td.ip += 5;
2042                         --td.sp;
2043                         break;
2044                 case CEE_STOBJ: {
2045                         int size;
2046                         token = read32 (td.ip + 1);
2047
2048                         if (method->wrapper_type != MONO_WRAPPER_NONE)
2049                                 klass = (MonoClass *)mono_method_get_wrapper_data (method, token);
2050                         else
2051                                 klass = mono_class_get_full (image, token, generic_context);
2052
2053                         ADD_CODE(&td, td.sp [-1].type == STACK_TYPE_VT ? MINT_STOBJ_VT : MINT_STOBJ);
2054                         ADD_CODE(&td, get_data_item_index (&td, klass));
2055                         if (td.sp [-1].type == STACK_TYPE_VT) {
2056                                 size = mono_class_value_size (klass, NULL);
2057                                 size = (size + 7) & ~7;
2058                                 td.vt_sp -= size;
2059                         }
2060                         td.ip += 5;
2061                         td.sp -= 2;
2062                         break;
2063                 }
2064                 case CEE_CONV_OVF_I_UN:
2065                         CHECK_STACK (&td, 1);
2066                         switch (td.sp [-1].type) {
2067                         case STACK_TYPE_R8:
2068 #if SIZEOF_VOID_P == 8
2069                                 ADD_CODE(&td, MINT_CONV_OVF_I8_UN_R8);
2070 #else
2071                                 ADD_CODE(&td, MINT_CONV_OVF_I4_UN_R8);
2072 #endif
2073                                 break;
2074                         case STACK_TYPE_I8:
2075                                 /*FIX*/
2076                                 break;
2077                         case STACK_TYPE_I4:
2078 #if SIZEOF_VOID_P == 8
2079                                 ADD_CODE(&td, MINT_CONV_I8_U4);
2080 #endif
2081                                 break;
2082                         default:
2083                                 g_assert_not_reached ();
2084                                 break;
2085                         }
2086                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I8);
2087                         ++td.ip;
2088                         break;
2089                 case CEE_CONV_OVF_I8_UN:
2090                         CHECK_STACK (&td, 1);
2091                         switch (td.sp [-1].type) {
2092                         case STACK_TYPE_R8:
2093                                 ADD_CODE(&td, MINT_CONV_OVF_I8_UN_R8);
2094                                 break;
2095                         case STACK_TYPE_I8:
2096                                 break;
2097                         case STACK_TYPE_I4:
2098                                 ADD_CODE(&td, MINT_CONV_I8_U4);
2099                                 break;
2100                         default:
2101                                 g_assert_not_reached ();
2102                                 break;
2103                         }
2104                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I8);
2105                         ++td.ip;
2106                         break;
2107                 case CEE_BOX: {
2108                         int size;
2109                         CHECK_STACK (&td, 1);
2110                         token = read32 (td.ip + 1);
2111                         if (method->wrapper_type != MONO_WRAPPER_NONE)
2112                                 klass = (MonoClass *)mono_method_get_wrapper_data (method, token);
2113                         else
2114                                 klass = mono_class_get_full (image, token, generic_context);
2115
2116                         if (mono_class_is_nullable (klass)) {
2117                                 MonoMethod *target_method = mono_class_get_method_from_name (klass, "Box", 1);
2118                                 /* td.ip is incremented by interp_transform_call */
2119                                 interp_transform_call (&td, method, target_method, domain, generic_context, is_bb_start, body_start_offset, NULL);
2120                         } else if (!klass->valuetype) {
2121                                 /* already boxed, do nothing. */
2122                                 td.ip += 5;
2123                         } else {
2124                                 if (mint_type (&klass->byval_arg) == MINT_TYPE_VT && !klass->enumtype) {
2125                                         size = mono_class_value_size (klass, NULL);
2126                                         size = (size + 7) & ~7;
2127                                         td.vt_sp -= size;
2128                                 }
2129                                 ADD_CODE(&td, MINT_BOX);
2130                                 ADD_CODE(&td, get_data_item_index (&td, klass));
2131                                 ADD_CODE (&td, 0);
2132                                 SET_TYPE(td.sp - 1, STACK_TYPE_O, klass);
2133                                 td.ip += 5;
2134                         }
2135
2136                         break;
2137                 }
2138                 case CEE_NEWARR:
2139                         CHECK_STACK (&td, 1);
2140                         token = read32 (td.ip + 1);
2141
2142                         if (method->wrapper_type != MONO_WRAPPER_NONE)
2143                                 klass = (MonoClass *)mono_method_get_wrapper_data (method, token);
2144                         else
2145                                 klass = mono_class_get_full (image, token, generic_context);
2146
2147                         ADD_CODE(&td, MINT_NEWARR);
2148                         ADD_CODE(&td, get_data_item_index (&td, klass));
2149                         SET_TYPE(td.sp - 1, STACK_TYPE_O, klass);
2150                         td.ip += 5;
2151                         break;
2152                 case CEE_LDLEN:
2153                         CHECK_STACK (&td, 1);
2154                         SIMPLE_OP (td, MINT_LDLEN);
2155                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I);
2156                         break;
2157                 case CEE_LDELEMA:
2158                         CHECK_STACK (&td, 2);
2159                         ENSURE_I4 (&td, 1);
2160                         token = read32 (td.ip + 1);
2161
2162                         if (method->wrapper_type != MONO_WRAPPER_NONE)
2163                                 klass = (MonoClass *)mono_method_get_wrapper_data (method, token);
2164                         else
2165                                 klass = mono_class_get_full (image, token, generic_context);
2166
2167                         ADD_CODE(&td, MINT_LDELEMA);
2168                         ADD_CODE(&td, get_data_item_index (&td, klass));
2169                         td.ip += 5;
2170                         --td.sp;
2171                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_MP);
2172                         break;
2173                 case CEE_LDELEM_I1:
2174                         CHECK_STACK (&td, 2);
2175                         ENSURE_I4 (&td, 1);
2176                         SIMPLE_OP (td, MINT_LDELEM_I1);
2177                         --td.sp;
2178                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2179                         break;
2180                 case CEE_LDELEM_U1:
2181                         CHECK_STACK (&td, 2);
2182                         ENSURE_I4 (&td, 1);
2183                         SIMPLE_OP (td, MINT_LDELEM_U1);
2184                         --td.sp;
2185                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2186                         break;
2187                 case CEE_LDELEM_I2:
2188                         CHECK_STACK (&td, 2);
2189                         ENSURE_I4 (&td, 1);
2190                         SIMPLE_OP (td, MINT_LDELEM_I2);
2191                         --td.sp;
2192                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2193                         break;
2194                 case CEE_LDELEM_U2:
2195                         CHECK_STACK (&td, 2);
2196                         ENSURE_I4 (&td, 1);
2197                         SIMPLE_OP (td, MINT_LDELEM_U2);
2198                         --td.sp;
2199                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2200                         break;
2201                 case CEE_LDELEM_I4:
2202                         CHECK_STACK (&td, 2);
2203                         ENSURE_I4 (&td, 1);
2204                         SIMPLE_OP (td, MINT_LDELEM_I4);
2205                         --td.sp;
2206                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2207                         break;
2208                 case CEE_LDELEM_U4:
2209                         CHECK_STACK (&td, 2);
2210                         ENSURE_I4 (&td, 1);
2211                         SIMPLE_OP (td, MINT_LDELEM_U4);
2212                         --td.sp;
2213                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2214                         break;
2215                 case CEE_LDELEM_I8:
2216                         CHECK_STACK (&td, 2);
2217                         ENSURE_I4 (&td, 1);
2218                         SIMPLE_OP (td, MINT_LDELEM_I8);
2219                         --td.sp;
2220                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I8);
2221                         break;
2222                 case CEE_LDELEM_I:
2223                         CHECK_STACK (&td, 2);
2224                         ENSURE_I4 (&td, 1);
2225                         SIMPLE_OP (td, MINT_LDELEM_I);
2226                         --td.sp;
2227                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I);
2228                         break;
2229                 case CEE_LDELEM_R4:
2230                         CHECK_STACK (&td, 2);
2231                         ENSURE_I4 (&td, 1);
2232                         SIMPLE_OP (td, MINT_LDELEM_R4);
2233                         --td.sp;
2234                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_R8);
2235                         break;
2236                 case CEE_LDELEM_R8:
2237                         CHECK_STACK (&td, 2);
2238                         ENSURE_I4 (&td, 1);
2239                         SIMPLE_OP (td, MINT_LDELEM_R8);
2240                         --td.sp;
2241                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_R8);
2242                         break;
2243                 case CEE_LDELEM_REF:
2244                         CHECK_STACK (&td, 2);
2245                         ENSURE_I4 (&td, 1);
2246                         SIMPLE_OP (td, MINT_LDELEM_REF);
2247                         --td.sp;
2248                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_O);
2249                         break;
2250                 case CEE_LDELEM:
2251                         CHECK_STACK (&td, 2);
2252                         token = read32 (td.ip + 1);
2253                         klass = mono_class_get_full (image, token, generic_context);
2254                         switch (mint_type (&klass->byval_arg)) {
2255                                 case MINT_TYPE_I4:
2256                                         ENSURE_I4 (&td, 1);
2257                                         SIMPLE_OP (td, MINT_LDELEM_I4);
2258                                         --td.sp;
2259                                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2260                                         break;
2261                                 case MINT_TYPE_VT: {
2262                                         int size = mono_class_value_size (klass, NULL);
2263                                         ENSURE_I4 (&td, 1);
2264                                         SIMPLE_OP (td, MINT_LDELEM_VT);
2265                                         ADD_CODE (&td, get_data_item_index (&td, klass));
2266                                         WRITE32 (&td, &size);
2267                                         --td.sp;
2268                                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_VT);
2269                                         PUSH_VT (&td, size);
2270                                         break;
2271                                 }
2272                                 default: {
2273                                         GString *res = g_string_new ("");
2274                                         mono_type_get_desc (res, &klass->byval_arg, TRUE);
2275                                         g_print ("LDELEM: %s -> %d (%s)\n", klass->name, mint_type (&klass->byval_arg), res->str);
2276                                         g_string_free (res, TRUE);
2277                                         g_assert (0);
2278                                         break;
2279                                 }
2280                         }
2281                         td.ip += 4;
2282                         break;
2283                 case CEE_STELEM_I:
2284                         CHECK_STACK (&td, 3);
2285                         ENSURE_I4 (&td, 2);
2286                         SIMPLE_OP (td, MINT_STELEM_I);
2287                         td.sp -= 3;
2288                         break;
2289                 case CEE_STELEM_I1:
2290                         CHECK_STACK (&td, 3);
2291                         ENSURE_I4 (&td, 2);
2292                         SIMPLE_OP (td, MINT_STELEM_I1);
2293                         td.sp -= 3;
2294                         break;
2295                 case CEE_STELEM_I2:
2296                         CHECK_STACK (&td, 3);
2297                         ENSURE_I4 (&td, 2);
2298                         SIMPLE_OP (td, MINT_STELEM_I2);
2299                         td.sp -= 3;
2300                         break;
2301                 case CEE_STELEM_I4:
2302                         CHECK_STACK (&td, 3);
2303                         ENSURE_I4 (&td, 2);
2304                         SIMPLE_OP (td, MINT_STELEM_I4);
2305                         td.sp -= 3;
2306                         break;
2307                 case CEE_STELEM_I8:
2308                         CHECK_STACK (&td, 3);
2309                         ENSURE_I4 (&td, 2);
2310                         SIMPLE_OP (td, MINT_STELEM_I8);
2311                         td.sp -= 3;
2312                         break;
2313                 case CEE_STELEM_R4:
2314                         CHECK_STACK (&td, 3);
2315                         ENSURE_I4 (&td, 2);
2316                         SIMPLE_OP (td, MINT_STELEM_R4);
2317                         td.sp -= 3;
2318                         break;
2319                 case CEE_STELEM_R8:
2320                         CHECK_STACK (&td, 3);
2321                         ENSURE_I4 (&td, 2);
2322                         SIMPLE_OP (td, MINT_STELEM_R8);
2323                         td.sp -= 3;
2324                         break;
2325                 case CEE_STELEM_REF:
2326                         CHECK_STACK (&td, 3);
2327                         ENSURE_I4 (&td, 2);
2328                         SIMPLE_OP (td, MINT_STELEM_REF);
2329                         td.sp -= 3;
2330                         break;
2331                 case CEE_STELEM:
2332                         CHECK_STACK (&td, 3);
2333                         ENSURE_I4 (&td, 2);
2334                         token = read32 (td.ip + 1);
2335                         klass = mono_class_get_full (image, token, generic_context);
2336                         switch (mint_type (&klass->byval_arg)) {
2337                                 case MINT_TYPE_I4:
2338                                         SIMPLE_OP (td, MINT_STELEM_I4);
2339                                         break;
2340                                 case MINT_TYPE_O:
2341                                         SIMPLE_OP (td, MINT_STELEM_REF);
2342                                         break;
2343                                 case MINT_TYPE_VT: {
2344                                         int size = mono_class_value_size (klass, NULL);
2345                                         SIMPLE_OP (td, MINT_STELEM_VT);
2346                                         ADD_CODE (&td, get_data_item_index (&td, klass));
2347                                         WRITE32 (&td, &size);
2348                                         POP_VT (&td, size);
2349                                         break;
2350                                 }
2351                                 default: {
2352                                         GString *res = g_string_new ("");
2353                                         mono_type_get_desc (res, &klass->byval_arg, TRUE);
2354                                         g_print ("STELEM: %s -> %d (%s)\n", klass->name, mint_type (&klass->byval_arg), res->str);
2355                                         g_string_free (res, TRUE);
2356                                         g_assert (0);
2357                                         break;
2358                                 }
2359                         }
2360                         td.ip += 4;
2361                         td.sp -= 3;
2362                         break;
2363 #if 0
2364                 case CEE_CONV_OVF_U1:
2365
2366                 case CEE_CONV_OVF_I8:
2367
2368 #if SIZEOF_VOID_P == 8
2369                 case CEE_CONV_OVF_U:
2370 #endif
2371                 case CEE_REFANYVAL: ves_abort(); break;
2372 #endif
2373                 case CEE_CKFINITE:
2374                         CHECK_STACK (&td, 1);
2375                         SIMPLE_OP (td, MINT_CKFINITE);
2376                         break;
2377                 case CEE_CONV_OVF_I1:
2378                 case CEE_CONV_OVF_I1_UN:
2379                         CHECK_STACK (&td, 1);
2380                         switch (td.sp [-1].type) {
2381                         case STACK_TYPE_R8:
2382                                 ADD_CODE(&td, MINT_CONV_OVF_I1_R8);
2383                                 break;
2384                         case STACK_TYPE_I4:
2385                                 ADD_CODE(&td, MINT_CONV_OVF_I1_I4);
2386                                 break;
2387                         case STACK_TYPE_I8:
2388                                 ADD_CODE(&td, MINT_CONV_OVF_I1_I8);
2389                                 break;
2390                         default:
2391                                 g_assert_not_reached ();
2392                         }
2393                         ++td.ip;
2394                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2395                         break;
2396                 case CEE_CONV_OVF_U1:
2397                 case CEE_CONV_OVF_U1_UN:
2398                         CHECK_STACK (&td, 1);
2399                         switch (td.sp [-1].type) {
2400                         case STACK_TYPE_R8:
2401                                 ADD_CODE(&td, MINT_CONV_OVF_U1_R8);
2402                                 break;
2403                         case STACK_TYPE_I4:
2404                                 ADD_CODE(&td, MINT_CONV_OVF_U1_I4);
2405                                 break;
2406                         case STACK_TYPE_I8:
2407                                 ADD_CODE(&td, MINT_CONV_OVF_U1_I8);
2408                                 break;
2409                         default:
2410                                 g_assert_not_reached ();
2411                         }
2412                         ++td.ip;
2413                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2414                         break;
2415                 case CEE_CONV_OVF_I2:
2416                 case CEE_CONV_OVF_I2_UN:
2417                         CHECK_STACK (&td, 1);
2418                         switch (td.sp [-1].type) {
2419                         case STACK_TYPE_R8:
2420                                 ADD_CODE(&td, MINT_CONV_OVF_I2_R8);
2421                                 break;
2422                         case STACK_TYPE_I4:
2423                                 ADD_CODE(&td, MINT_CONV_OVF_I2_I4);
2424                                 break;
2425                         case STACK_TYPE_I8:
2426                                 ADD_CODE(&td, MINT_CONV_OVF_I2_I8);
2427                                 break;
2428                         default:
2429                                 g_assert_not_reached ();
2430                         }
2431                         ++td.ip;
2432                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2433                         break;
2434                 case CEE_CONV_OVF_U2_UN:
2435                 case CEE_CONV_OVF_U2:
2436                         CHECK_STACK (&td, 1);
2437                         switch (td.sp [-1].type) {
2438                         case STACK_TYPE_R8:
2439                                 ADD_CODE(&td, MINT_CONV_OVF_U2_R8);
2440                                 break;
2441                         case STACK_TYPE_I4:
2442                                 ADD_CODE(&td, MINT_CONV_OVF_U2_I4);
2443                                 break;
2444                         case STACK_TYPE_I8:
2445                                 ADD_CODE(&td, MINT_CONV_OVF_U2_I8);
2446                                 break;
2447                         default:
2448                                 g_assert_not_reached ();
2449                         }
2450                         ++td.ip;
2451                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2452                         break;
2453 #if SIZEOF_VOID_P == 4
2454                 case CEE_CONV_OVF_I:
2455 #endif
2456                 case CEE_CONV_OVF_I4:
2457                 case CEE_CONV_OVF_I4_UN:
2458                         CHECK_STACK (&td, 1);
2459                         switch (td.sp [-1].type) {
2460                         case STACK_TYPE_R8:
2461                                 ADD_CODE(&td, MINT_CONV_OVF_I4_R8);
2462                                 break;
2463                         case STACK_TYPE_I4:
2464                                 if (*td.ip == CEE_CONV_OVF_I4_UN)
2465                                         ADD_CODE(&td, MINT_CONV_OVF_I4_U4);
2466                                 break;
2467                         case STACK_TYPE_I8:
2468                                 ADD_CODE(&td, MINT_CONV_OVF_I4_I8);
2469                                 break;
2470                         default:
2471                                 g_assert_not_reached ();
2472                         }
2473                         ++td.ip;
2474                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2475                         break;
2476 #if SIZEOF_VOID_P == 4
2477                 case CEE_CONV_OVF_U:
2478 #endif
2479                 case CEE_CONV_OVF_U4:
2480                 case CEE_CONV_OVF_U4_UN:
2481                         CHECK_STACK (&td, 1);
2482                         switch (td.sp [-1].type) {
2483                         case STACK_TYPE_R8:
2484                                 ADD_CODE(&td, MINT_CONV_OVF_U4_R8);
2485                                 break;
2486                         case STACK_TYPE_I4:
2487                                 if (*td.ip != CEE_CONV_OVF_U4_UN)
2488                                         ADD_CODE(&td, MINT_CONV_OVF_U4_I4);
2489                                 break;
2490                         case STACK_TYPE_I8:
2491                                 ADD_CODE(&td, MINT_CONV_OVF_U4_I8);
2492                                 break;
2493                         default:
2494                                 g_assert_not_reached ();
2495                         }
2496                         ++td.ip;
2497                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2498                         break;
2499 #if SIZEOF_VOID_P == 8
2500                 case CEE_CONV_OVF_I:
2501 #endif
2502                 case CEE_CONV_OVF_I8:
2503                         CHECK_STACK (&td, 1);
2504                         switch (td.sp [-1].type) {
2505                         case STACK_TYPE_R8:
2506                                 ADD_CODE(&td, MINT_CONV_OVF_I8_R8);
2507                                 break;
2508                         case STACK_TYPE_I4:
2509                                 ADD_CODE(&td, MINT_CONV_I8_I4);
2510                                 break;
2511                         case STACK_TYPE_I8:
2512                                 break;
2513                         default:
2514                                 g_assert_not_reached ();
2515                         }
2516                         ++td.ip;
2517                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I8);
2518                         break;
2519 #if SIZEOF_VOID_P == 8
2520                 case CEE_CONV_OVF_U:
2521 #endif
2522                 case CEE_CONV_OVF_U8:
2523                         CHECK_STACK (&td, 1);
2524                         switch (td.sp [-1].type) {
2525                         case STACK_TYPE_R8:
2526                                 ADD_CODE(&td, MINT_CONV_OVF_U8_R8);
2527                                 break;
2528                         case STACK_TYPE_I4:
2529                                 ADD_CODE(&td, MINT_CONV_OVF_U8_I4);
2530                                 break;
2531                         case STACK_TYPE_I8:
2532                                 break;
2533                         default:
2534                                 g_assert_not_reached ();
2535                         }
2536                         ++td.ip;
2537                         SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I8);
2538                         break;
2539                 case CEE_LDTOKEN: {
2540                         int size;
2541                         gpointer handle;
2542                         token = read32 (td.ip + 1);
2543                         handle = mono_ldtoken (image, token, &klass, generic_context);
2544                         mt = mint_type(&klass->byval_arg);
2545                         g_assert (mt == MINT_TYPE_VT);
2546                         size = mono_class_value_size (klass, NULL);
2547                         g_assert (size == sizeof(gpointer));
2548                         PUSH_VT(&td, sizeof(gpointer));
2549                         ADD_CODE(&td, MINT_LDTOKEN);
2550                         ADD_CODE(&td, get_data_item_index (&td, handle));
2551                         PUSH_SIMPLE_TYPE(&td, stack_type [mt]);
2552                         td.ip += 5;
2553                         break;
2554                 }
2555                 case CEE_ADD_OVF:
2556                         binary_arith_op(&td, MINT_ADD_OVF_I4);
2557                         ++td.ip;
2558                         break;
2559                 case CEE_ADD_OVF_UN:
2560                         binary_arith_op(&td, MINT_ADD_OVF_UN_I4);
2561                         ++td.ip;
2562                         break;
2563                 case CEE_MUL_OVF:
2564                         binary_arith_op(&td, MINT_MUL_OVF_I4);
2565                         ++td.ip;
2566                         break;
2567                 case CEE_MUL_OVF_UN:
2568                         binary_arith_op(&td, MINT_MUL_OVF_UN_I4);
2569                         ++td.ip;
2570                         break;
2571                 case CEE_SUB_OVF:
2572                         binary_arith_op(&td, MINT_SUB_OVF_I4);
2573                         ++td.ip;
2574                         break;
2575                 case CEE_SUB_OVF_UN:
2576                         binary_arith_op(&td, MINT_SUB_OVF_UN_I4);
2577                         ++td.ip;
2578                         break;
2579                 case CEE_ENDFINALLY:
2580                         SIMPLE_OP (td, MINT_ENDFINALLY);
2581                         generating_code = 0;
2582                         break;
2583                 case CEE_LEAVE:
2584                         td.sp = td.stack;
2585                         handle_branch (&td, MINT_LEAVE_S, MINT_LEAVE, 5 + read32 (td.ip + 1));
2586                         td.ip += 5;
2587                         generating_code = 0;
2588                         break;
2589                 case CEE_LEAVE_S:
2590                         td.sp = td.stack;
2591                         handle_branch (&td, MINT_LEAVE_S, MINT_LEAVE, 2 + (gint8)td.ip [1]);
2592                         td.ip += 2;
2593                         generating_code = 0;
2594                         break;
2595                 case CEE_UNUSED41:
2596                         ++td.ip;
2597                         switch (*td.ip) {
2598                                 case CEE_MONO_CALLI_EXTRA_ARG:
2599                                         /* Same as CEE_CALLI, except that we drop the extra arg required for llvm specific behaviour */
2600                                         ADD_CODE (&td, MINT_POP);
2601                                         ADD_CODE (&td, 1);
2602                                         --td.sp;
2603                                         interp_transform_call (&td, method, NULL, domain, generic_context, is_bb_start, body_start_offset, NULL);
2604                                         break;
2605                                 case CEE_MONO_JIT_ICALL_ADDR: {
2606                                         guint32 token;
2607                                         gpointer func;
2608                                         MonoJitICallInfo *info;
2609
2610                                         token = read32 (td.ip + 1);
2611                                         td.ip += 5;
2612                                         func = mono_method_get_wrapper_data (method, token);
2613                                         info = mono_find_jit_icall_by_addr (func);
2614
2615                                         ADD_CODE (&td, MINT_LDFTN);
2616                                         ADD_CODE (&td, get_data_item_index (&td, func));
2617                                         PUSH_SIMPLE_TYPE (&td, STACK_TYPE_I);
2618                                         break;
2619                                 }
2620                                 case CEE_MONO_ICALL: {
2621                                         guint32 token;
2622                                         gpointer func;
2623                                         MonoJitICallInfo *info;
2624
2625                                         token = read32 (td.ip + 1);
2626                                         td.ip += 5;
2627                                         func = mono_method_get_wrapper_data (method, token);
2628                                         info = mono_find_jit_icall_by_addr (func);
2629                                         g_assert (info);
2630
2631                                         CHECK_STACK (&td, info->sig->param_count);
2632                                         switch (info->sig->param_count) {
2633                                         case 0:
2634                                                 if (MONO_TYPE_IS_VOID (info->sig->ret))
2635                                                         ADD_CODE (&td,MINT_ICALL_V_V);
2636                                                 else
2637                                                         ADD_CODE (&td, MINT_ICALL_V_P);
2638                                                 break;
2639                                         case 1:
2640                                                 if (MONO_TYPE_IS_VOID (info->sig->ret))
2641                                                         ADD_CODE (&td,MINT_ICALL_P_V);
2642                                                 else
2643                                                         ADD_CODE (&td,MINT_ICALL_P_P);
2644                                                 break;
2645                                         case 2:
2646                                                 if (MONO_TYPE_IS_VOID (info->sig->ret)) {
2647                                                         if (info->sig->params [1]->type == MONO_TYPE_I4)
2648                                                                 ADD_CODE (&td,MINT_ICALL_PI_V);
2649                                                         else
2650                                                                 ADD_CODE (&td,MINT_ICALL_PP_V);
2651                                                 } else {
2652                                                         if (info->sig->params [1]->type == MONO_TYPE_I4)
2653                                                                 ADD_CODE (&td,MINT_ICALL_PI_P);
2654                                                         else
2655                                                                 ADD_CODE (&td,MINT_ICALL_PP_P);
2656                                                 }
2657                                                 break;
2658                                         case 3:
2659                                                 g_assert (MONO_TYPE_IS_VOID (info->sig->ret));
2660                                                 if (info->sig->params [2]->type == MONO_TYPE_I4)
2661                                                         ADD_CODE (&td,MINT_ICALL_PPI_V);
2662                                                 else
2663                                                         ADD_CODE (&td,MINT_ICALL_PPP_V);
2664                                                 break;
2665                                         default:
2666                                                 g_assert_not_reached ();
2667                                         }
2668
2669                                         if (func == mono_ftnptr_to_delegate) {
2670                                                 g_error ("TODO: ?");
2671                                         }
2672                                         ADD_CODE(&td, get_data_item_index (&td, func));
2673                                         td.sp -= info->sig->param_count;
2674
2675                                         if (!MONO_TYPE_IS_VOID (info->sig->ret)) {
2676                                                 td.sp ++;
2677                                                 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I);
2678                                         }
2679                                         break;
2680                                 }
2681                         case CEE_MONO_VTADDR: {
2682                                 int size;
2683                                 CHECK_STACK (&td, 1);
2684                                 if (method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE)
2685                                         size = mono_class_native_size(td.sp [-1].klass, NULL);
2686                                 else
2687                                         size = mono_class_value_size(td.sp [-1].klass, NULL);
2688                                 size = (size + 7) & ~7;
2689                                 ADD_CODE(&td, MINT_VTRESULT);
2690                                 ADD_CODE(&td, 0);
2691                                 WRITE32(&td, &size);
2692                                 td.vt_sp -= size;
2693                                 ++td.ip;
2694                                 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_MP);
2695                                 break;
2696                         }
2697                         case CEE_MONO_LDPTR:
2698                         case CEE_MONO_CLASSCONST:
2699                                 token = read32 (td.ip + 1);
2700                                 td.ip += 5;
2701                                 ADD_CODE(&td, MINT_MONO_LDPTR);
2702                                 ADD_CODE(&td, get_data_item_index (&td, mono_method_get_wrapper_data (method, token)));
2703                                 td.sp [0].type = STACK_TYPE_I;
2704                                 ++td.sp;
2705                                 break;
2706                         case CEE_MONO_OBJADDR:
2707                                 CHECK_STACK (&td, 1);
2708                                 ++td.ip;
2709                                 td.sp[-1].type = STACK_TYPE_MP;
2710                                 /* do nothing? */
2711                                 break;
2712                         case CEE_MONO_NEWOBJ:
2713                                 token = read32 (td.ip + 1);
2714                                 td.ip += 5;
2715                                 ADD_CODE(&td, MINT_MONO_NEWOBJ);
2716                                 ADD_CODE(&td, get_data_item_index (&td, mono_method_get_wrapper_data (method, token)));
2717                                 td.sp [0].type = STACK_TYPE_O;
2718                                 ++td.sp;
2719                                 break;
2720                         case CEE_MONO_RETOBJ:
2721                                 CHECK_STACK (&td, 1);
2722                                 token = read32 (td.ip + 1);
2723                                 td.ip += 5;
2724                                 ADD_CODE(&td, MINT_MONO_RETOBJ);
2725                                 td.sp--;
2726
2727                                 klass = (MonoClass *)mono_method_get_wrapper_data (method, token);
2728
2729                                 /*stackval_from_data (signature->ret, frame->retval, sp->data.vt, signature->pinvoke);*/
2730
2731                                 if (td.sp > td.stack)
2732                                         g_warning ("CEE_MONO_RETOBJ: more values on stack: %d", td.sp-td.stack);
2733                                 break;
2734                         case CEE_MONO_LDNATIVEOBJ:
2735                                 token = read32 (td.ip + 1);
2736                                 td.ip += 5;
2737                                 klass = (MonoClass *)mono_method_get_wrapper_data (method, token);
2738                                 g_assert(klass->valuetype);
2739                                 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_MP);
2740                                 break;
2741                         case CEE_MONO_SAVE_LMF:
2742                         case CEE_MONO_RESTORE_LMF:
2743                         case CEE_MONO_NOT_TAKEN:
2744                                 ++td.ip;
2745                                 break;
2746                         case CEE_MONO_LDPTR_INT_REQ_FLAG:
2747                                 ADD_CODE (&td, MINT_MONO_LDPTR);
2748                                 ADD_CODE (&td, get_data_item_index (&td, mono_thread_interruption_request_flag ()));
2749                                 PUSH_TYPE (&td, STACK_TYPE_MP, NULL);
2750                                 ++td.ip;
2751                                 break;
2752                         default:
2753                                 g_error ("transform.c: Unimplemented opcode: 0xF0 %02x at 0x%x\n", *td.ip, td.ip-header->code);
2754                         }
2755                         break;
2756 #if 0
2757                 case CEE_PREFIX7:
2758                 case CEE_PREFIX6:
2759                 case CEE_PREFIX5:
2760                 case CEE_PREFIX4:
2761                 case CEE_PREFIX3:
2762                 case CEE_PREFIX2:
2763                 case CEE_PREFIXREF: ves_abort(); break;
2764 #endif
2765                 /*
2766                  * Note: Exceptions thrown when executing a prefixed opcode need
2767                  * to take into account the number of prefix bytes (usually the
2768                  * throw point is just (ip - n_prefix_bytes).
2769                  */
2770                 case CEE_PREFIX1:
2771                         ++td.ip;
2772                         switch (*td.ip) {
2773 #if 0
2774                         case CEE_ARGLIST: ves_abort(); break;
2775 #endif
2776                         case CEE_CEQ:
2777                                 CHECK_STACK(&td, 2);
2778                                 if (td.sp [-1].type == STACK_TYPE_O || td.sp [-1].type == STACK_TYPE_MP)
2779                                         ADD_CODE(&td, MINT_CEQ_I4 + STACK_TYPE_I - STACK_TYPE_I4);
2780                                 else
2781                                         ADD_CODE(&td, MINT_CEQ_I4 + td.sp [-1].type - STACK_TYPE_I4);
2782                                 --td.sp;
2783                                 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2784                                 ++td.ip;
2785                                 break;
2786                         case CEE_CGT:
2787                                 CHECK_STACK(&td, 2);
2788                                 if (td.sp [-1].type == STACK_TYPE_O || td.sp [-1].type == STACK_TYPE_MP)
2789                                         ADD_CODE(&td, MINT_CGT_I4 + STACK_TYPE_I - STACK_TYPE_I4);
2790                                 else
2791                                         ADD_CODE(&td, MINT_CGT_I4 + td.sp [-1].type - STACK_TYPE_I4);
2792                                 --td.sp;
2793                                 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2794                                 ++td.ip;
2795                                 break;
2796                         case CEE_CGT_UN:
2797                                 CHECK_STACK(&td, 2);
2798                                 if (td.sp [-1].type == STACK_TYPE_O || td.sp [-1].type == STACK_TYPE_MP)
2799                                         ADD_CODE(&td, MINT_CGT_UN_I4 + STACK_TYPE_I - STACK_TYPE_I4);
2800                                 else
2801                                         ADD_CODE(&td, MINT_CGT_UN_I4 + td.sp [-1].type - STACK_TYPE_I4);
2802                                 --td.sp;
2803                                 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2804                                 ++td.ip;
2805                                 break;
2806                         case CEE_CLT:
2807                                 CHECK_STACK(&td, 2);
2808                                 if (td.sp [-1].type == STACK_TYPE_O || td.sp [-1].type == STACK_TYPE_MP)
2809                                         ADD_CODE(&td, MINT_CLT_I4 + STACK_TYPE_I - STACK_TYPE_I4);
2810                                 else
2811                                         ADD_CODE(&td, MINT_CLT_I4 + td.sp [-1].type - STACK_TYPE_I4);
2812                                 --td.sp;
2813                                 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2814                                 ++td.ip;
2815                                 break;
2816                         case CEE_CLT_UN:
2817                                 CHECK_STACK(&td, 2);
2818                                 if (td.sp [-1].type == STACK_TYPE_O || td.sp [-1].type == STACK_TYPE_MP)
2819                                         ADD_CODE(&td, MINT_CLT_UN_I4 + STACK_TYPE_I - STACK_TYPE_I4);
2820                                 else
2821                                         ADD_CODE(&td, MINT_CLT_UN_I4 + td.sp [-1].type - STACK_TYPE_I4);
2822                                 --td.sp;
2823                                 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2824                                 ++td.ip;
2825                                 break;
2826                         case CEE_LDVIRTFTN: /* fallthrough */
2827                         case CEE_LDFTN: {
2828                                 MonoMethod *m;
2829                                 if (*td.ip == CEE_LDVIRTFTN) {
2830                                         CHECK_STACK (&td, 1);
2831                                         --td.sp;
2832                                 }
2833                                 token = read32 (td.ip + 1);
2834                                 if (method->wrapper_type != MONO_WRAPPER_NONE)
2835                                         m = (MonoMethod *)mono_method_get_wrapper_data (method, token);
2836                                 else
2837                                         m = mono_get_method_full (image, token, NULL, generic_context);
2838
2839                                 if (method->wrapper_type == MONO_WRAPPER_NONE && m->iflags & METHOD_IMPL_ATTRIBUTE_SYNCHRONIZED)
2840                                         m = mono_marshal_get_synchronized_wrapper (m);
2841
2842                                 ADD_CODE(&td, *td.ip == CEE_LDFTN ? MINT_LDFTN : MINT_LDVIRTFTN);
2843                                 ADD_CODE(&td, get_data_item_index (&td, mono_interp_get_runtime_method (domain, m, &error)));
2844                                 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
2845                                 td.ip += 5;
2846                                 PUSH_SIMPLE_TYPE (&td, STACK_TYPE_F);
2847                                 break;
2848                         }
2849                         case CEE_LDARG:
2850                                 load_arg (&td, read16 (td.ip + 1));
2851                                 td.ip += 3;
2852                                 break;
2853                         case CEE_LDARGA: {
2854                                 int n = read16 (td.ip + 1);
2855                                 if (n == 0 && signature->hasthis) {
2856                                         g_error ("LDTHISA: NOPE");
2857                                         ADD_CODE(&td, MINT_LDTHISA);
2858                                 }
2859                                 else {
2860                                         ADD_CODE(&td, MINT_LDARGA);
2861                                         ADD_CODE(&td, td.rtm->arg_offsets [n]); /* FIX for large offsets */
2862                                 }
2863                                 PUSH_SIMPLE_TYPE(&td, STACK_TYPE_MP);
2864                                 td.ip += 3;
2865                                 break;
2866                         }
2867                         case CEE_STARG:
2868                                 store_arg (&td, read16 (td.ip + 1));
2869                                 td.ip += 3;
2870                                 break;
2871                         case CEE_LDLOC:
2872                                 load_local (&td, read16 (td.ip + 1));
2873                                 td.ip += 3;
2874                                 break;
2875                         case CEE_LDLOCA:
2876                                 ADD_CODE(&td, MINT_LDLOCA_S);
2877                                 ADD_CODE(&td, td.rtm->local_offsets [read16 (td.ip + 1)]);
2878                                 PUSH_SIMPLE_TYPE(&td, STACK_TYPE_MP);
2879                                 td.ip += 3;
2880                                 break;
2881                         case CEE_STLOC:
2882                                 store_local (&td, read16 (td.ip + 1));
2883                                 td.ip += 3;
2884                                 break;
2885                         case CEE_LOCALLOC:
2886                                 CHECK_STACK (&td, 1);
2887 #if SIZEOF_VOID_P == 8
2888                                 if (td.sp [-1].type == STACK_TYPE_I8)
2889                                         ADD_CODE(&td, MINT_CONV_I4_I8);
2890 #endif
2891                                 ADD_CODE(&td, MINT_LOCALLOC);
2892                                 if (td.sp != td.stack + 1)
2893                                         g_warning("CEE_LOCALLOC: stack not empty");
2894                                 ++td.ip;
2895                                 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_MP);
2896                                 break;
2897 #if 0
2898                         case CEE_UNUSED57: ves_abort(); break;
2899                         case CEE_ENDFILTER: ves_abort(); break;
2900 #endif
2901                         case CEE_UNALIGNED_:
2902                                 ++td.ip;
2903                                 /* FIX: should do something? */;
2904                                 break;
2905                         case CEE_VOLATILE_:
2906                                 ++td.ip;
2907                                 /* FIX: should do something? */;
2908                                 break;
2909                         case CEE_TAIL_:
2910                                 ++td.ip;
2911                                 /* FIX: should do something? */;
2912                                 break;
2913                         case CEE_INITOBJ:
2914                                 CHECK_STACK(&td, 1);
2915                                 token = read32 (td.ip + 1);
2916                                 klass = mono_class_get_full (image, token, generic_context);
2917                                 ADD_CODE(&td, MINT_INITOBJ);
2918                                 i32 = mono_class_value_size (klass, NULL);
2919                                 WRITE32(&td, &i32);
2920                                 td.ip += 5;
2921                                 --td.sp;
2922                                 break;
2923                         case CEE_CPBLK:
2924                                 CHECK_STACK(&td, 3);
2925                                 /* FIX? convert length to I8? */
2926                                 ADD_CODE(&td, MINT_CPBLK);
2927                                 td.sp -= 3;
2928                                 ++td.ip;
2929                                 break;
2930                         case CEE_CONSTRAINED_:
2931                                 token = read32 (td.ip + 1);
2932                                 constrained_class = mono_class_get_full (image, token, generic_context);
2933                                 mono_class_init (constrained_class);
2934                                 td.ip += 5;
2935                                 break;
2936                         case CEE_INITBLK:
2937                                 CHECK_STACK(&td, 3);
2938                                 ADD_CODE(&td, MINT_INITBLK);
2939                                 td.sp -= 3;
2940                                 break;
2941 #if 0
2942                         case CEE_NO_:
2943                                 /* FIXME: implement */
2944                                 ip += 2;
2945                                 break;
2946 #endif
2947                         case CEE_RETHROW:
2948                                 SIMPLE_OP (td, MINT_RETHROW);
2949                                 generating_code = 0;
2950                                 break;
2951                         case CEE_SIZEOF: {
2952                                 gint32 size;
2953                                 token = read32 (td.ip + 1);
2954                                 td.ip += 5;
2955                                 if (mono_metadata_token_table (token) == MONO_TABLE_TYPESPEC) {
2956                                         int align;
2957                                         MonoType *type = mono_type_create_from_typespec (image, token);
2958                                         size = mono_type_size (type, &align);
2959                                 } else {
2960                                         guint32 align;
2961                                         MonoClass *szclass = mono_class_get_full (image, token, generic_context);
2962                                         mono_class_init (szclass);
2963 #if 0
2964                                         if (!szclass->valuetype)
2965                                                 THROW_EX (mono_exception_from_name (mono_defaults.corlib, "System", "InvalidProgramException"), ip - 5);
2966 #endif
2967                                         size = mono_class_value_size (szclass, &align);
2968                                 }
2969                                 ADD_CODE(&td, MINT_LDC_I4);
2970                                 WRITE32(&td, &size);
2971                                 PUSH_SIMPLE_TYPE(&td, STACK_TYPE_I4);
2972                                 break;
2973                         }
2974 #if 0
2975                         case CEE_REFANYTYPE: ves_abort(); break;
2976 #endif
2977                         default:
2978                                 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);
2979                         }
2980                         break;
2981                 default:
2982                         g_error ("transform.c: Unimplemented opcode: %02x at 0x%x\n", *td.ip, td.ip-header->code);
2983                 }
2984
2985                 if (td.new_ip - td.new_code != new_in_start_offset)
2986                         td.last_new_ip = td.new_code + new_in_start_offset;
2987                 else if (td.is_bb_start [td.in_start - td.il_code])
2988                         td.is_bb_start [td.ip - td.il_code] = 1;
2989
2990                 td.last_ip = td.in_start;
2991         }
2992
2993         if (mono_interp_traceopt) {
2994                 const guint16 *p = td.new_code;
2995                 printf("Runtime method: %p, VT stack size: %d\n", rtm, td.max_vt_sp);
2996                 printf("Calculated stack size: %d, stated size: %d\n", td.max_stack_height, header->max_stack);
2997                 while (p < td.new_ip) {
2998                         p = mono_interp_dis_mintop(td.new_code, p);
2999                         printf("\n");
3000                 }
3001         }
3002
3003         rtm->clauses = mono_mempool_alloc (domain->mp, header->num_clauses * sizeof(MonoExceptionClause));
3004         memcpy (rtm->clauses, header->clauses, header->num_clauses * sizeof(MonoExceptionClause));
3005         rtm->code = mono_mempool_alloc (domain->mp, (td.new_ip - td.new_code) * sizeof(gushort));
3006         memcpy (rtm->code, td.new_code, (td.new_ip - td.new_code) * sizeof(gushort));
3007         g_free (td.new_code);
3008         rtm->new_body_start = rtm->code + body_start_offset;
3009         rtm->num_clauses = header->num_clauses;
3010         for (i = 0; i < header->num_clauses; i++) {
3011                 MonoExceptionClause *c = rtm->clauses + i;
3012                 int end_off = c->try_offset + c->try_len;
3013                 c->try_offset = td.in_offsets [c->try_offset];
3014                 c->try_len = td.in_offsets [end_off] - c->try_offset;
3015                 end_off = c->handler_offset + c->handler_len;
3016                 c->handler_offset = td.in_offsets [c->handler_offset];
3017                 c->handler_len = td.in_offsets [end_off] - c->handler_offset;
3018         }
3019         rtm->vt_stack_size = td.max_vt_sp;
3020         rtm->alloca_size = rtm->locals_size + rtm->args_size + rtm->vt_stack_size + rtm->stack_size;
3021         rtm->data_items = mono_mempool_alloc (domain->mp, td.n_data_items * sizeof (td.data_items [0]));
3022         memcpy (rtm->data_items, td.data_items, td.n_data_items * sizeof (td.data_items [0]));
3023         g_free (td.in_offsets);
3024         g_free (td.forward_refs);
3025         for (i = 0; i < header->code_size; ++i)
3026                 g_free (td.stack_state [i]);
3027         g_free (td.stack_state);
3028         g_free (td.stack_height);
3029         g_free (td.vt_stack_size);
3030         g_free (td.data_items);
3031         g_hash_table_destroy (td.data_hash);
3032 }
3033
3034 static mono_mutex_t calc_section;
3035
3036 void
3037 mono_interp_transform_init (void)
3038 {
3039         mono_os_mutex_init_recursive(&calc_section);
3040 }
3041
3042 MonoException *
3043 mono_interp_transform_method (RuntimeMethod *runtime_method, ThreadContext *context)
3044 {
3045         int i, align, size, offset;
3046         MonoMethod *method = runtime_method->method;
3047         MonoImage *image = method->klass->image;
3048         MonoMethodHeader *header = mono_method_get_header (method);
3049         MonoMethodSignature *signature = mono_method_signature (method);
3050         register const unsigned char *ip, *end;
3051         const MonoOpcode *opcode;
3052         MonoMethod *m;
3053         MonoClass *class;
3054         MonoDomain *domain = mono_domain_get ();
3055         unsigned char *is_bb_start;
3056         int in;
3057         MonoVTable *method_class_vt;
3058         int backwards;
3059         MonoGenericContext *generic_context = NULL;
3060
3061         // g_printerr ("TRANSFORM(0x%016lx): begin %s::%s\n", mono_thread_current (), method->klass->name, method->name);
3062         method_class_vt = mono_class_vtable (domain, runtime_method->method->klass);
3063         if (!method_class_vt->initialized) {
3064                 jmp_buf env;
3065                 MonoInvocation *last_env_frame = context->env_frame;
3066                 jmp_buf *old_env = context->current_env;
3067
3068                 if (setjmp(env)) {
3069                         MonoException *failed = context->env_frame->ex;
3070                         context->env_frame->ex = NULL;
3071                         context->env_frame = last_env_frame;
3072                         context->current_env = old_env;
3073                         return failed;
3074                 }
3075                 context->env_frame = context->current_frame;
3076                 context->current_env = &env;
3077                 mono_runtime_class_init (method_class_vt);
3078                 context->env_frame = last_env_frame;
3079                 context->current_env = old_env;
3080         }
3081
3082         mono_profiler_method_jit (method); /* sort of... */
3083
3084         if (mono_method_signature (method)->is_inflated)
3085                 generic_context = &((MonoMethodInflated *) method)->context;
3086
3087         if (method->iflags & (METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL | METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
3088                 MonoMethod *nm = NULL;
3089                 mono_os_mutex_lock(&calc_section);
3090                 if (runtime_method->transformed) {
3091                         mono_os_mutex_unlock(&calc_section);
3092                         g_error ("FIXME: no jit info?");
3093                         mono_profiler_method_end_jit (method, NULL, MONO_PROFILE_OK);
3094                         return NULL;
3095                 }
3096
3097                 /* assumes all internal calls with an array this are built in... */
3098                 if (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL && (! mono_method_signature (method)->hasthis || method->klass->rank == 0)) {
3099                         nm = mono_marshal_get_native_wrapper (method, TRUE, FALSE);
3100                         signature = mono_method_signature (nm);
3101                 } else {
3102                         const char *name = method->name;
3103                         if (method->klass->parent == mono_defaults.multicastdelegate_class) {
3104                                 if (*name == '.' && (strcmp (name, ".ctor") == 0)) {
3105                                         MonoJitICallInfo *mi = mono_find_jit_icall_by_name ("ves_icall_mono_delegate_ctor");
3106                                         g_assert (mi);
3107                                         char *wrapper_name = g_strdup_printf ("__icall_wrapper_%s", mi->name);
3108                                         nm = mono_marshal_get_icall_wrapper (mi->sig, wrapper_name, mi->func, TRUE);
3109                                 } else if (*name == 'I' && (strcmp (name, "Invoke") == 0)) {
3110                                         nm = mono_marshal_get_delegate_invoke (method, NULL);
3111                                 } else if (*name == 'B' && (strcmp (name, "BeginInvoke") == 0)) {
3112                                         nm = mono_marshal_get_delegate_begin_invoke (method);
3113                                 } else if (*name == 'E' && (strcmp (name, "EndInvoke") == 0)) {
3114                                         nm = mono_marshal_get_delegate_end_invoke (method);
3115                                 }
3116                         }
3117                         if (nm == NULL) {
3118                                 runtime_method->code = g_malloc(sizeof(short));
3119                                 runtime_method->code[0] = MINT_CALLRUN;
3120                         }
3121                 }
3122                 if (nm == NULL) {
3123                         runtime_method->stack_size = sizeof (stackval); /* for tracing */
3124                         runtime_method->alloca_size = runtime_method->stack_size;
3125                         runtime_method->transformed = TRUE;
3126                         mono_os_mutex_unlock(&calc_section);
3127                         mono_profiler_method_end_jit (method, NULL, MONO_PROFILE_OK);
3128                         return NULL;
3129                 }
3130                 method = nm;
3131                 header = mono_method_get_header (nm);
3132                 mono_os_mutex_unlock(&calc_section);
3133         }
3134         g_assert ((signature->param_count + signature->hasthis) < 1000);
3135         g_assert (header->max_stack < 10000);
3136         /* intern the strings in the method. */
3137         ip = header->code;
3138         end = ip + header->code_size;
3139
3140         is_bb_start = g_malloc0(header->code_size);
3141         is_bb_start [0] = 1;
3142         while (ip < end) {
3143                 in = *ip;
3144                 if (in == 0xfe) {
3145                         ip++;
3146                         in = *ip + 256;
3147                 }
3148                 else if (in == 0xf0) {
3149                         ip++;
3150                         in = *ip + MONO_CEE_MONO_ICALL;
3151                 }
3152                 opcode = &mono_opcodes [in];
3153                 switch (opcode->argument) {
3154                 case MonoInlineNone:
3155                         ++ip;
3156                         break;
3157                 case MonoInlineString:
3158                         if (method->wrapper_type == MONO_WRAPPER_NONE)
3159                                 mono_ldstr (domain, image, mono_metadata_token_index (read32 (ip + 1)));
3160                         ip += 5;
3161                         break;
3162                 case MonoInlineType:
3163                         if (method->wrapper_type == MONO_WRAPPER_NONE) {
3164                                 class = mono_class_get_full (image, read32 (ip + 1), generic_context);
3165                                 mono_class_init (class);
3166                                 /* quick fix to not do this for the fake ptr classes - probably should not be getting the vtable at all here */
3167 #if 0
3168                                 g_error ("FIXME: interface method lookup: %s (in method %s)", class->name, method->name);
3169                                 if (!(class->flags & TYPE_ATTRIBUTE_INTERFACE) && class->interface_offsets != NULL)
3170                                         mono_class_vtable (domain, class);
3171 #endif
3172                         }
3173                         ip += 5;
3174                         break;
3175                 case MonoInlineMethod:
3176                         if (method->wrapper_type == MONO_WRAPPER_NONE && *ip != CEE_CALLI) {
3177                                 m = mono_get_method_full (image, read32 (ip + 1), NULL, generic_context);
3178                                 if (m == NULL) {
3179                                         g_free (is_bb_start);
3180                                         g_error ("FIXME: where to get method and class string?");
3181                                         return NULL;
3182                                         // return mono_get_exception_missing_method ();
3183                                 }
3184                                 mono_class_init (m->klass);
3185                                 if (!mono_class_is_interface (m->klass))
3186                                         mono_class_vtable (domain, m->klass);
3187                         }
3188                         ip += 5;
3189                         break;
3190                 case MonoInlineField:
3191                 case MonoInlineSig:
3192                 case MonoInlineI:
3193                 case MonoInlineTok:
3194                 case MonoShortInlineR:
3195                         ip += 5;
3196                         break;
3197                 case MonoInlineBrTarget:
3198                         offset = read32 (ip + 1);
3199                         ip += 5;
3200                         backwards = offset < 0;
3201                         offset += ip - header->code;
3202                         g_assert (offset >= 0 && offset < header->code_size);
3203                         is_bb_start [offset] |= backwards ? 2 : 1;
3204                         break;
3205                 case MonoShortInlineBrTarget:
3206                         offset = ((gint8 *)ip) [1];
3207                         ip += 2;
3208                         backwards = offset < 0;
3209                         offset += ip - header->code;
3210                         g_assert (offset >= 0 && offset < header->code_size);
3211                         is_bb_start [offset] |= backwards ? 2 : 1;
3212                         break;
3213                 case MonoInlineVar:
3214                         ip += 3;
3215                         break;
3216                 case MonoShortInlineVar:
3217                 case MonoShortInlineI:
3218                         ip += 2;
3219                         break;
3220                 case MonoInlineSwitch: {
3221                         guint32 n;
3222                         const unsigned char *next_ip;
3223                         ++ip;
3224                         n = read32 (ip);
3225                         ip += 4;
3226                         next_ip = ip + 4 * n;
3227                         for (i = 0; i < n; i++) {
3228                                 offset = read32 (ip);
3229                                 backwards = offset < 0;
3230                                 offset += next_ip - header->code;
3231                                 g_assert (offset >= 0 && offset < header->code_size);
3232                                 is_bb_start [offset] |= backwards ? 2 : 1;
3233                                 ip += 4;
3234                         }
3235                         break;
3236                 }
3237                 case MonoInlineR:
3238                 case MonoInlineI8:
3239                         ip += 9;
3240                         break;
3241                 default:
3242                         g_assert_not_reached ();
3243                 }
3244         }
3245         // g_printerr ("TRANSFORM(0x%016lx): end %s::%s\n", mono_thread_current (), method->klass->name, method->name);
3246
3247         /* the rest needs to be locked so it is only done once */
3248         mono_os_mutex_lock(&calc_section);
3249         if (runtime_method->transformed) {
3250                 mono_os_mutex_unlock(&calc_section);
3251                 g_free (is_bb_start);
3252                 mono_profiler_method_end_jit (method, NULL, MONO_PROFILE_OK);
3253                 return NULL;
3254         }
3255
3256         runtime_method->local_offsets = g_malloc (header->num_locals * sizeof(guint32));
3257         runtime_method->stack_size = (sizeof (stackval) + 2) * header->max_stack; /* + 1 for returns of called functions  + 1 for 0-ing in trace*/
3258         runtime_method->stack_size = (runtime_method->stack_size + 7) & ~7;
3259         offset = 0;
3260         for (i = 0; i < header->num_locals; ++i) {
3261                 size = mono_type_size (header->locals [i], &align);
3262                 offset += align - 1;
3263                 offset &= ~(align - 1);
3264                 runtime_method->local_offsets [i] = offset;
3265                 offset += size;
3266         }
3267         offset = (offset + 7) & ~7;
3268         runtime_method->locals_size = offset;
3269         g_assert (runtime_method->locals_size < 65536);
3270         offset = 0;
3271         runtime_method->arg_offsets = g_malloc ((!!signature->hasthis + signature->param_count) * sizeof(guint32));
3272
3273         if (signature->hasthis) {
3274                 g_assert (!signature->pinvoke);
3275                 size = mono_type_stack_size (&method->klass->byval_arg, &align);
3276                 offset += align - 1;
3277                 offset &= ~(align - 1);
3278                 runtime_method->arg_offsets [0] = offset;
3279                 offset += size;
3280         }
3281
3282         for (i = 0; i < signature->param_count; ++i) {
3283                 if (signature->pinvoke) {
3284                         guint32 dummy;
3285                         size = mono_type_native_stack_size (signature->params [i], &dummy);
3286                         align = 8;
3287                 }
3288                 else
3289                         size = mono_type_stack_size (signature->params [i], &align);
3290                 offset += align - 1;
3291                 offset &= ~(align - 1);
3292                 runtime_method->arg_offsets [i + !!signature->hasthis] = offset;
3293                 offset += size;
3294         }
3295         offset = (offset + 7) & ~7;
3296         runtime_method->args_size = offset;
3297         g_assert (runtime_method->args_size < 10000);
3298
3299         generate(method, runtime_method, is_bb_start);
3300
3301         g_free (is_bb_start);
3302
3303         mono_profiler_method_end_jit (method, NULL, MONO_PROFILE_OK);
3304         runtime_method->transformed = TRUE;
3305         mono_os_mutex_unlock(&calc_section);
3306
3307         return NULL;
3308 }
3309