mono/mini/interp/transform.c

   1 /**
   2  * \file
   3  * transform CIL into different opcodes for more
   4  * efficient interpretation
   5  *
   6  * Written by Bernie Solomon (bernard@ugsolutions.com)
   7  * Copyright (c) 2004.
   8  */
   9
  10 #include <string.h>
  11 #include <mono/metadata/appdomain.h>
  12 #include <mono/metadata/debug-helpers.h>
  13 #include <mono/metadata/exception.h>
  14 #include <mono/metadata/mono-endian.h>
  15 #include <mono/metadata/marshal.h>
  16 #include <mono/metadata/profiler-private.h>
  17 #include <mono/metadata/tabledefs.h>
  18 #include <mono/metadata/seq-points-data.h>
  19
  20 #include <mono/mini/mini.h>
  21
  22 #include "mintops.h"
  23 #include "interp-internals.h"
  24 #include "interp.h"
  25
  26 // TODO: export from marshal.c
  27 MonoDelegate* mono_ftnptr_to_delegate (MonoClass *klass, gpointer ftn);
  28
  29 #define DEBUG 0
  30
  31 typedef struct
  32 {
  33         MonoClass *klass;
  34         unsigned char type;
  35         unsigned char flags;
  36 } StackInfo;
  37
  38 typedef struct {
  39         guint8 *ip;
  40         GSList *preds;
  41         GSList *seq_points;
  42         SeqPoint *last_seq_point;
  43
  44         // This will hold a list of last sequence points of incoming basic blocks
  45         SeqPoint **pred_seq_points;
  46         guint num_pred_seq_points;
  47 } InterpBasicBlock;
  48
  49 typedef enum {
  50         RELOC_SHORT_BRANCH,
  51         RELOC_LONG_BRANCH,
  52         RELOC_SWITCH
  53 } RelocType;
  54
  55 typedef struct {
  56         RelocType type;
  57         /* In the interpreter IR */
  58         int offset;
  59         /* In the IL code */
  60         int target;
  61 } Reloc;
  62
  63 typedef struct
  64 {
  65         MonoMethod *method;
  66         MonoMethodHeader *header;
  67         InterpMethod *rtm;
  68         const unsigned char *il_code;
  69         const unsigned char *ip;
  70         const unsigned char *last_ip;
  71         const unsigned char *in_start;
  72         int code_size;
  73         int *in_offsets;
  74         StackInfo **stack_state;
  75         int *stack_height;
  76         int *vt_stack_size;
  77         unsigned char *is_bb_start;
  78         unsigned short *new_code;
  79         unsigned short *new_code_end;
  80         unsigned short *new_ip;
  81         unsigned short *last_new_ip;
  82         unsigned int max_code_size;
  83         StackInfo *stack;
  84         StackInfo *sp;
  85         unsigned int max_stack_height;
  86         unsigned int vt_sp;
  87         unsigned int max_vt_sp;
  88         int n_data_items;
  89         int max_data_items;
  90         void **data_items;
  91         GHashTable *data_hash;
  92         int *clause_indexes;
  93         gboolean gen_sdb_seq_points;
  94         GPtrArray *seq_points;
  95         InterpBasicBlock **offset_to_bb;
  96         InterpBasicBlock *entry_bb;
  97         MonoMemPool     *mempool;
  98         GList *basic_blocks;
  99         GPtrArray *relocs;
 100         gboolean verbose_level;
 101 } TransformData;
 102
 103 #define MINT_TYPE_I1 0
 104 #define MINT_TYPE_U1 1
 105 #define MINT_TYPE_I2 2
 106 #define MINT_TYPE_U2 3
 107 #define MINT_TYPE_I4 4
 108 #define MINT_TYPE_I8 5
 109 #define MINT_TYPE_R4 6
 110 #define MINT_TYPE_R8 7
 111 #define MINT_TYPE_O  8
 112 #define MINT_TYPE_P  9
 113 #define MINT_TYPE_VT 10
 114
 115 #define STACK_TYPE_I4 0
 116 #define STACK_TYPE_I8 1
 117 #define STACK_TYPE_R8 2
 118 #define STACK_TYPE_O  3
 119 #define STACK_TYPE_VT 4
 120 #define STACK_TYPE_MP 5
 121 #define STACK_TYPE_F  6
 122
 123 static const char *stack_type_string [] = { "I4", "I8", "R8", "O ", "VT", "MP", "F " };
 124
 125 #if SIZEOF_VOID_P == 8
 126 #define STACK_TYPE_I STACK_TYPE_I8
 127 #else
 128 #define STACK_TYPE_I STACK_TYPE_I4
 129 #endif
 130
 131 static int stack_type [] = {
 132         STACK_TYPE_I4, /*I1*/
 133         STACK_TYPE_I4, /*U1*/
 134         STACK_TYPE_I4, /*I2*/
 135         STACK_TYPE_I4, /*U2*/
 136         STACK_TYPE_I4, /*I4*/
 137         STACK_TYPE_I8, /*I8*/
 138         STACK_TYPE_R8, /*R4*/
 139         STACK_TYPE_R8, /*R8*/
 140         STACK_TYPE_O,  /*O*/
 141         STACK_TYPE_MP, /*P*/
 142         STACK_TYPE_VT
 143 };
 144
 145 #if SIZEOF_VOID_P == 8
 146 #define MINT_NEG_P MINT_NEG_I8
 147 #define MINT_NOT_P MINT_NOT_I8
 148
 149 #define MINT_NEG_FP MINT_NEG_R8
 150
 151 #define MINT_ADD_P MINT_ADD_I8
 152 #define MINT_SUB_P MINT_SUB_I8
 153 #define MINT_MUL_P MINT_MUL_I8
 154 #define MINT_DIV_P MINT_DIV_I8
 155 #define MINT_DIV_UN_P MINT_DIV_UN_I8
 156 #define MINT_REM_P MINT_REM_I8
 157 #define MINT_REM_UN_P MINT_REM_UN_I8
 158 #define MINT_AND_P MINT_AND_I8
 159 #define MINT_OR_P MINT_OR_I8
 160 #define MINT_XOR_P MINT_XOR_I8
 161 #define MINT_SHL_P MINT_SHL_I8
 162 #define MINT_SHR_P MINT_SHR_I8
 163 #define MINT_SHR_UN_P MINT_SHR_UN_I8
 164
 165 #define MINT_CEQ_P MINT_CEQ_I8
 166 #define MINT_CNE_P MINT_CNE_I8
 167 #define MINT_CLT_P MINT_CLT_I8
 168 #define MINT_CLT_UN_P MINT_CLT_UN_I8
 169 #define MINT_CGT_P MINT_CGT_I8
 170 #define MINT_CGT_UN_P MINT_CGT_UN_I8
 171 #define MINT_CLE_P MINT_CLE_I8
 172 #define MINT_CLE_UN_P MINT_CLE_UN_I8
 173 #define MINT_CGE_P MINT_CGE_I8
 174 #define MINT_CGE_UN_P MINT_CGE_UN_I8
 175
 176 #define MINT_ADD_FP MINT_ADD_R8
 177 #define MINT_SUB_FP MINT_SUB_R8
 178 #define MINT_MUL_FP MINT_MUL_R8
 179 #define MINT_DIV_FP MINT_DIV_R8
 180 #define MINT_REM_FP MINT_REM_R8
 181
 182 #define MINT_CNE_FP MINT_CNE_R8
 183 #define MINT_CEQ_FP MINT_CEQ_R8
 184 #define MINT_CGT_FP MINT_CGT_R8
 185 #define MINT_CGE_FP MINT_CGE_R8
 186 #define MINT_CLT_FP MINT_CLT_R8
 187 #define MINT_CLE_FP MINT_CLE_R8
 188
 189 #else
 190
 191 #define MINT_NEG_P MINT_NEG_I4
 192 #define MINT_NOT_P MINT_NOT_I4
 193
 194 #define MINT_NEG_FP MINT_NEG_R8
 195
 196 #define MINT_ADD_P MINT_ADD_I4
 197 #define MINT_SUB_P MINT_SUB_I4
 198 #define MINT_MUL_P MINT_MUL_I4
 199 #define MINT_DIV_P MINT_DIV_I4
 200 #define MINT_DIV_UN_P MINT_DIV_UN_I4
 201 #define MINT_REM_P MINT_REM_I4
 202 #define MINT_REM_UN_P MINT_REM_UN_I4
 203 #define MINT_AND_P MINT_AND_I4
 204 #define MINT_OR_P MINT_OR_I4
 205 #define MINT_XOR_P MINT_XOR_I4
 206 #define MINT_SHL_P MINT_SHL_I4
 207 #define MINT_SHR_P MINT_SHR_I4
 208 #define MINT_SHR_UN_P MINT_SHR_UN_I4
 209
 210 #define MINT_CEQ_P MINT_CEQ_I4
 211 #define MINT_CNE_P MINT_CNE_I4
 212 #define MINT_CLT_P MINT_CLT_I4
 213 #define MINT_CLT_UN_P MINT_CLT_UN_I4
 214 #define MINT_CGT_P MINT_CGT_I4
 215 #define MINT_CGT_UN_P MINT_CGT_UN_I4
 216 #define MINT_CLE_P MINT_CLE_I4
 217 #define MINT_CLE_UN_P MINT_CLE_UN_I4
 218 #define MINT_CGE_P MINT_CGE_I4
 219 #define MINT_CGE_UN_P MINT_CGE_UN_I4
 220
 221 #define MINT_ADD_FP MINT_ADD_R8
 222 #define MINT_SUB_FP MINT_SUB_R8
 223 #define MINT_MUL_FP MINT_MUL_R8
 224 #define MINT_DIV_FP MINT_DIV_R8
 225 #define MINT_REM_FP MINT_REM_R8
 226
 227 #define MINT_CNE_FP MINT_CNE_R8
 228 #define MINT_CEQ_FP MINT_CEQ_R8
 229 #define MINT_CGT_FP MINT_CGT_R8
 230 #define MINT_CGE_FP MINT_CGE_R8
 231 #define MINT_CLT_FP MINT_CLT_R8
 232 #define MINT_CLE_FP MINT_CLE_R8
 233
 234 #endif
 235
 236 typedef struct {
 237         const gchar *op_name;
 238         guint16 insn [3];
 239 } MagicIntrinsic;
 240
 241 // static const MagicIntrinsic int_binop[] = {
 242
 243 static const MagicIntrinsic int_unnop[] = {
 244         { "op_UnaryPlus", {MINT_NOP, MINT_NOP, MINT_NOP}},
 245         { "op_UnaryNegation", {MINT_NEG_P, MINT_NEG_P, MINT_NEG_FP}},
 246         { "op_OnesComplement", {MINT_NOT_P, MINT_NOT_P, MINT_NIY}}
 247 };
 248
 249 static const MagicIntrinsic int_binop[] = {
 250         { "op_Addition", {MINT_ADD_P, MINT_ADD_P, MINT_ADD_FP}},
 251         { "op_Subtraction", {MINT_SUB_P, MINT_SUB_P, MINT_SUB_FP}},
 252         { "op_Multiply", {MINT_MUL_P, MINT_MUL_P, MINT_MUL_FP}},
 253         { "op_Division", {MINT_DIV_P, MINT_DIV_UN_P, MINT_DIV_FP}},
 254         { "op_Modulus", {MINT_REM_P, MINT_REM_UN_P, MINT_REM_FP}},
 255         { "op_BitwiseAnd", {MINT_AND_P, MINT_AND_P, MINT_NIY}},
 256         { "op_BitwiseOr", {MINT_OR_P, MINT_OR_P, MINT_NIY}},
 257         { "op_ExclusiveOr", {MINT_XOR_P, MINT_XOR_P, MINT_NIY}},
 258         { "op_LeftShift", {MINT_SHL_P, MINT_SHL_P, MINT_NIY}},
 259         { "op_RightShift", {MINT_SHR_P, MINT_SHR_UN_P, MINT_NIY}},
 260 };
 261
 262 static const MagicIntrinsic int_cmpop[] = {
 263         { "op_Inequality", {MINT_CNE_P, MINT_CNE_P, MINT_CNE_FP}},
 264         { "op_Equality", {MINT_CEQ_P, MINT_CEQ_P, MINT_CEQ_FP}},
 265         { "op_GreaterThan", {MINT_CGT_P, MINT_CGT_UN_P, MINT_CGT_FP}},
 266         { "op_GreaterThanOrEqual", {MINT_CGE_P, MINT_CGE_UN_P, MINT_CGE_FP}},
 267         { "op_LessThan", {MINT_CLT_P, MINT_CLT_UN_P, MINT_CLT_FP}},
 268         { "op_LessThanOrEqual", {MINT_CLE_P, MINT_CLE_UN_P, MINT_CLE_FP}}
 269 };
 270
 271 static void
 272 grow_code (TransformData *td)
 273 {
 274         unsigned int old_ip_offset = td->new_ip - td->new_code;
 275         unsigned int old_last_ip_offset = td->last_new_ip - td->new_code;
 276         g_assert (old_ip_offset <= td->max_code_size);
 277         td->new_code = g_realloc (td->new_code, (td->max_code_size *= 2) * sizeof (td->new_code [0]));
 278         td->new_code_end = td->new_code + td->max_code_size;
 279         td->new_ip = td->new_code + old_ip_offset;
 280         td->last_new_ip = td->new_code + old_last_ip_offset;
 281 }
 282
 283 #define ENSURE_CODE(td, n) \
 284         do { \
 285                 if ((td)->new_ip + (n) > (td)->new_code_end) \
 286                         grow_code (td); \
 287         } while (0)
 288
 289 #define ADD_CODE(td, n) \
 290         do { \
 291                 if ((td)->new_ip == (td)->new_code_end) \
 292                         grow_code (td); \
 293                 *(td)->new_ip++ = (n); \
 294         } while (0)
 295
 296 #define CHECK_STACK(td, n) \
 297         do { \
 298                 int stack_size = (td)->sp - (td)->stack; \
 299                 if (stack_size < (n)) \
 300                         g_warning ("%s.%s: not enough values (%d < %d) on stack at %04x", \
 301                                 (td)->method->klass->name, (td)->method->name, \
 302                                 stack_size, n, (td)->ip - (td)->il_code); \
 303         } while (0)
 304
 305 #define ENSURE_I4(td, sp_off) \
 306         do { \
 307                 if ((td)->sp [-sp_off].type == STACK_TYPE_I8) \
 308                         ADD_CODE(td, sp_off == 1 ? MINT_CONV_I4_I8 : MINT_CONV_I4_I8_SP); \
 309         } while (0)
 310
 311 static void
 312 handle_branch (TransformData *td, int short_op, int long_op, int offset)
 313 {
 314         int shorten_branch = 0;
 315         int target = td->ip + offset - td->il_code;
 316         if (target < 0 || target >= td->code_size)
 317                 g_assert_not_reached ();
 318         if (offset > 0 && td->stack_height [target] < 0) {
 319                 td->stack_height [target] = td->sp - td->stack;
 320                 if (td->stack_height [target] > 0)
 321                         td->stack_state [target] = g_memdup (td->stack, td->stack_height [target] * sizeof (td->stack [0]));
 322                 td->vt_stack_size [target] = td->vt_sp;
 323         }
 324         if (offset < 0) {
 325                 offset = td->in_offsets [target] - (td->new_ip - td->new_code);
 326                 if (offset >= -32768) {
 327                         shorten_branch = 1;
 328                 }
 329         } else {
 330                 if (td->header->code_size <= 25000) /* FIX to be precise somehow? */
 331                         shorten_branch = 1;
 332
 333                 Reloc *reloc = mono_mempool_alloc0 (td->mempool, sizeof (Reloc));
 334                 if (shorten_branch) {
 335                         offset = 0xffff;
 336                         reloc->type = RELOC_SHORT_BRANCH;
 337                 } else {
 338                         offset = 0xdeadbeef;
 339                         reloc->type = RELOC_LONG_BRANCH;
 340                 }
 341                 reloc->offset = td->new_ip - td->new_code;
 342                 reloc->target = target;
 343                 g_ptr_array_add (td->relocs, reloc);
 344         }
 345         if (shorten_branch) {
 346                 ADD_CODE(td, short_op);
 347                 ADD_CODE(td, offset);
 348         } else {
 349                 ADD_CODE(td, long_op);
 350                 ADD_CODE(td, * (unsigned short *)(&offset));
 351                 ADD_CODE(td, * ((unsigned short *)&offset + 1));
 352         }
 353 }
 354
 355 static void
 356 one_arg_branch(TransformData *td, int mint_op, int offset)
 357 {
 358         int type = td->sp [-1].type == STACK_TYPE_O || td->sp [-1].type == STACK_TYPE_MP ? STACK_TYPE_I : td->sp [-1].type;
 359         int long_op = mint_op + type - STACK_TYPE_I4;
 360         int short_op = long_op + MINT_BRFALSE_I4_S - MINT_BRFALSE_I4;
 361         CHECK_STACK(td, 1);
 362         --td->sp;
 363         handle_branch (td, short_op, long_op, offset);
 364 }
 365
 366 static void
 367 two_arg_branch(TransformData *td, int mint_op, int offset)
 368 {
 369         int type1 = td->sp [-1].type == STACK_TYPE_O || td->sp [-1].type == STACK_TYPE_MP ? STACK_TYPE_I : td->sp [-1].type;
 370         int type2 = td->sp [-2].type == STACK_TYPE_O || td->sp [-2].type == STACK_TYPE_MP ? STACK_TYPE_I : td->sp [-2].type;
 371         int long_op = mint_op + type1 - STACK_TYPE_I4;
 372         int short_op = long_op + MINT_BEQ_I4_S - MINT_BEQ_I4;
 373         CHECK_STACK(td, 2);
 374         if (type1 == STACK_TYPE_I4 && type2 == STACK_TYPE_I8) {
 375                 ADD_CODE(td, MINT_CONV_I8_I4);
 376                 td->in_offsets [td->ip - td->il_code]++;
 377         } else if (type1 == STACK_TYPE_I8 && type2 == STACK_TYPE_I4) {
 378                 ADD_CODE(td, MINT_CONV_I8_I4_SP);
 379                 td->in_offsets [td->ip - td->il_code]++;
 380         } else if (type1 != type2) {
 381                 g_warning("%s.%s: branch type mismatch %d %d",
 382                         td->method->klass->name, td->method->name,
 383                         td->sp [-1].type, td->sp [-2].type);
 384         }
 385         td->sp -= 2;
 386         handle_branch (td, short_op, long_op, offset);
 387 }
 388
 389 static void
 390 unary_arith_op(TransformData *td, int mint_op)
 391 {
 392         int op = mint_op + td->sp [-1].type - STACK_TYPE_I4;
 393         CHECK_STACK(td, 1);
 394         ADD_CODE(td, op);
 395 }
 396
 397 static void
 398 binary_arith_op(TransformData *td, int mint_op)
 399 {
 400         int type1 = td->sp [-2].type;
 401         int type2 = td->sp [-1].type;
 402         int op;
 403 #if SIZEOF_VOID_P == 8
 404         if ((type1 == STACK_TYPE_MP || type1 == STACK_TYPE_I8) && type2 == STACK_TYPE_I4) {
 405                 ADD_CODE(td, MINT_CONV_I8_I4);
 406                 type2 = STACK_TYPE_I8;
 407         }
 408         if (type1 == STACK_TYPE_I4 && (type2 == STACK_TYPE_MP || type2 == STACK_TYPE_I8)) {
 409                 ADD_CODE(td, MINT_CONV_I8_I4_SP);
 410                 type1 = STACK_TYPE_I8;
 411                 td->sp [-2].type = STACK_TYPE_I8;
 412         }
 413 #endif
 414         if (type1 == STACK_TYPE_MP)
 415                 type1 = STACK_TYPE_I;
 416         if (type2 == STACK_TYPE_MP)
 417                 type2 = STACK_TYPE_I;
 418         if (type1 != type2) {
 419                 g_warning("%s.%s: %04x arith type mismatch %s %d %d",
 420                         td->method->klass->name, td->method->name,
 421                         td->ip - td->il_code, mono_interp_opname[mint_op], type1, type2);
 422         }
 423         op = mint_op + type1 - STACK_TYPE_I4;
 424         CHECK_STACK(td, 2);
 425         ADD_CODE(td, op);
 426         --td->sp;
 427 }
 428
 429 static void
 430 shift_op(TransformData *td, int mint_op)
 431 {
 432         int op = mint_op + td->sp [-2].type - STACK_TYPE_I4;
 433         CHECK_STACK(td, 2);
 434         if (td->sp [-1].type != STACK_TYPE_I4) {
 435                 g_warning("%s.%s: shift type mismatch %d",
 436                         td->method->klass->name, td->method->name,
 437                         td->sp [-2].type);
 438         }
 439         ADD_CODE(td, op);
 440         --td->sp;
 441 }
 442
 443 static int
 444 mint_type(MonoType *type_)
 445 {
 446         MonoType *type = mini_native_type_replace_type (type_);
 447         if (type->byref)
 448                 return MINT_TYPE_P;
 449 enum_type:
 450         switch (type->type) {
 451         case MONO_TYPE_I1:
 452                 return MINT_TYPE_I1;
 453         case MONO_TYPE_U1:
 454         case MONO_TYPE_BOOLEAN:
 455                 return MINT_TYPE_U1;
 456         case MONO_TYPE_I2:
 457                 return MINT_TYPE_I2;
 458         case MONO_TYPE_U2:
 459         case MONO_TYPE_CHAR:
 460                 return MINT_TYPE_U2;
 461         case MONO_TYPE_I4:
 462         case MONO_TYPE_U4:
 463                 return MINT_TYPE_I4;
 464         case MONO_TYPE_I:
 465         case MONO_TYPE_U:
 466 #if SIZEOF_VOID_P == 4
 467                 return MINT_TYPE_I4;
 468 #else
 469                 return MINT_TYPE_I8;
 470 #endif
 471         case MONO_TYPE_PTR:
 472                 return MINT_TYPE_P;
 473         case MONO_TYPE_R4:
 474                 return MINT_TYPE_R4;
 475         case MONO_TYPE_I8:
 476         case MONO_TYPE_U8:
 477                 return MINT_TYPE_I8;
 478         case MONO_TYPE_R8:
 479                 return MINT_TYPE_R8;
 480         case MONO_TYPE_STRING:
 481         case MONO_TYPE_SZARRAY:
 482         case MONO_TYPE_CLASS:
 483         case MONO_TYPE_OBJECT:
 484         case MONO_TYPE_ARRAY:
 485                 return MINT_TYPE_O;
 486         case MONO_TYPE_VALUETYPE:
 487                 if (type->data.klass->enumtype) {
 488                         type = mono_class_enum_basetype (type->data.klass);
 489                         goto enum_type;
 490                 } else
 491                         return MINT_TYPE_VT;
 492         case MONO_TYPE_TYPEDBYREF:
 493                 return MINT_TYPE_VT;
 494         case MONO_TYPE_GENERICINST:
 495                 type = &type->data.generic_class->container_class->byval_arg;
 496                 goto enum_type;
 497         default:
 498                 g_warning ("got type 0x%02x", type->type);
 499                 g_assert_not_reached ();
 500         }
 501         return -1;
 502 }
 503
 504 static int
 505 can_store (int stack_type, int var_type)
 506 {
 507         if (stack_type == STACK_TYPE_O || stack_type == STACK_TYPE_MP)
 508                 stack_type = STACK_TYPE_I;
 509         if (var_type == STACK_TYPE_O || var_type == STACK_TYPE_MP)
 510                 var_type = STACK_TYPE_I;
 511         return stack_type == var_type;
 512 }
 513
 514 #define SET_SIMPLE_TYPE(s, ty) \
 515         do { \
 516                 (s)->type = (ty); \
 517                 (s)->flags = 0; \
 518                 (s)->klass = NULL; \
 519         } while (0)
 520
 521 #define SET_TYPE(s, ty, k) \
 522         do { \
 523                 (s)->type = (ty); \
 524                 (s)->flags = 0; \
 525                 (s)->klass = k; \
 526         } while (0)
 527
 528 #define PUSH_SIMPLE_TYPE(td, ty) \
 529         do { \
 530                 int sp_height; \
 531                 (td)->sp++; \
 532                 sp_height = (td)->sp - (td)->stack; \
 533                 if (sp_height > (td)->max_stack_height) \
 534                         (td)->max_stack_height = sp_height; \
 535                 SET_SIMPLE_TYPE((td)->sp - 1, ty); \
 536         } while (0)
 537
 538 #define PUSH_TYPE(td, ty, k) \
 539         do { \
 540                 int sp_height; \
 541                 (td)->sp++; \
 542                 sp_height = (td)->sp - (td)->stack; \
 543                 if (sp_height > (td)->max_stack_height) \
 544                         (td)->max_stack_height = sp_height; \
 545                 SET_TYPE((td)->sp - 1, ty, k); \
 546         } while (0)
 547
 548 #define PUSH_VT(td, size) \
 549         do { \
 550                 (td)->vt_sp += ((size) + 7) & ~7; \
 551                 if ((td)->vt_sp > (td)->max_vt_sp) \
 552                         (td)->max_vt_sp = (td)->vt_sp; \
 553         } while (0)
 554
 555 #define POP_VT(td, size) \
 556         do { \
 557                 (td)->vt_sp -= ((size) + 7) & ~7; \
 558         } while (0)
 559
 560 #if NO_UNALIGNED_ACCESS
 561 #define WRITE32(td, v) \
 562         do { \
 563                 ENSURE_CODE(td, 2); \
 564                 * (guint16 *)((td)->new_ip) = * (guint16 *)(v); \
 565                 * ((guint16 *)((td)->new_ip) + 1) = * ((guint16 *)(v) + 1); \
 566                 (td)->new_ip += 2; \
 567         } while (0)
 568
 569 #define WRITE64(td, v) \
 570         do { \
 571                 ENSURE_CODE(td, 4); \
 572                 * (guint16 *)((td)->new_ip) = * (guint16 *)(v); \
 573                 * ((guint16 *)((td)->new_ip) + 1) = * ((guint16 *)(v) + 1); \
 574                 * ((guint16 *)((td)->new_ip) + 2) = * ((guint16 *)(v) + 2); \
 575                 * ((guint16 *)((td)->new_ip) + 3) = * ((guint16 *)(v) + 3); \
 576                 (td)->new_ip += 4; \
 577         } while (0)
 578 #else
 579 #define WRITE32(td, v) \
 580         do { \
 581                 ENSURE_CODE(td, 2); \
 582                 * (guint32 *)((td)->new_ip) = * (guint32 *)(v); \
 583                 (td)->new_ip += 2; \
 584         } while (0)
 585
 586 #define WRITE64(td, v) \
 587         do { \
 588                 ENSURE_CODE(td, 4); \
 589                 * (guint64 *)((td)->new_ip) = * (guint64 *)(v); \
 590                 (td)->new_ip += 4; \
 591         } while (0)
 592
 593 #endif
 594
 595 static void
 596 load_arg(TransformData *td, int n)
 597 {
 598         int mt;
 599         MonoClass *klass = NULL;
 600         MonoType *type;
 601
 602         gboolean hasthis = mono_method_signature (td->method)->hasthis;
 603         if (hasthis && n == 0)
 604                 type = &td->method->klass->byval_arg;
 605         else
 606                 type = mono_method_signature (td->method)->params [hasthis ? n - 1 : n];
 607
 608         mt = mint_type (type);
 609         if (mt == MINT_TYPE_VT) {
 610                 gint32 size;
 611                 klass = mono_class_from_mono_type (type);
 612                 if (mono_method_signature (td->method)->pinvoke)
 613                         size = mono_class_native_size (klass, NULL);
 614                 else
 615                         size = mono_class_value_size (klass, NULL);
 616
 617                 if (hasthis && n == 0) {
 618                         mt = MINT_TYPE_P;
 619                         ADD_CODE (td, MINT_LDARG_P);
 620                         ADD_CODE (td, td->rtm->arg_offsets [n]); /* FIX for large offset */
 621                         klass = NULL;
 622                 } else {
 623                         PUSH_VT (td, size);
 624                         ADD_CODE (td, MINT_LDARG_VT);
 625                         ADD_CODE (td, td->rtm->arg_offsets [n]); /* FIX for large offset */
 626                         WRITE32 (td, &size);
 627                 }
 628         } else {
 629                 if (hasthis && n == 0) {
 630                         mt = MINT_TYPE_P;
 631                         ADD_CODE (td, MINT_LDARG_P);
 632                         ADD_CODE (td, td->rtm->arg_offsets [n]); /* FIX for large offset */
 633                         klass = NULL;
 634                 } else {
 635                         ADD_CODE(td, MINT_LDARG_I1 + (mt - MINT_TYPE_I1));
 636                         ADD_CODE(td, td->rtm->arg_offsets [n]); /* FIX for large offset */
 637                         if (mt == MINT_TYPE_O)
 638                                 klass = mono_class_from_mono_type (type);
 639                 }
 640         }
 641         PUSH_TYPE(td, stack_type[mt], klass);
 642 }
 643
 644 static void
 645 store_arg(TransformData *td, int n)
 646 {
 647         int mt;
 648         CHECK_STACK (td, 1);
 649         MonoType *type;
 650
 651         gboolean hasthis = mono_method_signature (td->method)->hasthis;
 652         if (hasthis && n == 0)
 653                 type = &td->method->klass->byval_arg;
 654         else
 655                 type = mono_method_signature (td->method)->params [n - !!hasthis];
 656
 657         mt = mint_type (type);
 658         if (mt == MINT_TYPE_VT) {
 659                 gint32 size;
 660                 MonoClass *klass = mono_class_from_mono_type (type);
 661                 if (mono_method_signature (td->method)->pinvoke)
 662                         size = mono_class_native_size (klass, NULL);
 663                 else
 664                         size = mono_class_value_size (klass, NULL);
 665                 ADD_CODE(td, MINT_STARG_VT);
 666                 ADD_CODE(td, td->rtm->arg_offsets [n]);
 667                 WRITE32(td, &size);
 668                 if (td->sp [-1].type == STACK_TYPE_VT)
 669                         POP_VT(td, size);
 670         } else {
 671                 ADD_CODE(td, MINT_STARG_I1 + (mt - MINT_TYPE_I1));
 672                 ADD_CODE(td, td->rtm->arg_offsets [n]);
 673         }
 674         --td->sp;
 675 }
 676
 677 static void
 678 store_inarg(TransformData *td, int n)
 679 {
 680         MonoType *type;
 681         gboolean hasthis = mono_method_signature (td->method)->hasthis;
 682         if (hasthis && n == 0)
 683                 type = &td->method->klass->byval_arg;
 684         else
 685                 type = mono_method_signature (td->method)->params [n - !!hasthis];
 686
 687         int mt = mint_type (type);
 688         if (hasthis && n == 0) {
 689                 ADD_CODE (td, MINT_STINARG_P);
 690                 ADD_CODE (td, n);
 691                 return;
 692         }
 693         if (mt == MINT_TYPE_VT) {
 694                 MonoClass *klass = mono_class_from_mono_type (type);
 695                 gint32 size;
 696                 if (mono_method_signature (td->method)->pinvoke)
 697                         size = mono_class_native_size (klass, NULL);
 698                 else
 699                         size = mono_class_value_size (klass, NULL);
 700                 ADD_CODE(td, MINT_STINARG_VT);
 701                 ADD_CODE(td, n);
 702                 WRITE32(td, &size);
 703         } else {
 704                 ADD_CODE(td, MINT_STINARG_I1 + (mt - MINT_TYPE_I1));
 705                 ADD_CODE(td, n);
 706         }
 707 }
 708
 709 static void
 710 load_local(TransformData *td, int n)
 711 {
 712         MonoType *type = td->header->locals [n];
 713         int mt = mint_type (type);
 714         int offset = td->rtm->local_offsets [n];
 715         MonoClass *klass = NULL;
 716         if (mt == MINT_TYPE_VT) {
 717                 klass = mono_class_from_mono_type (type);
 718                 gint32 size = mono_class_value_size (klass, NULL);
 719                 PUSH_VT(td, size);
 720                 ADD_CODE(td, MINT_LDLOC_VT);
 721                 ADD_CODE(td, offset); /*FIX for large offset */
 722                 WRITE32(td, &size);
 723         } else {
 724                 g_assert (mt < MINT_TYPE_VT);
 725                 if (!td->gen_sdb_seq_points &&
 726                         mt == MINT_TYPE_I4 && !td->is_bb_start [td->in_start - td->il_code] && td->last_new_ip != NULL &&
 727                         td->last_new_ip [0] == MINT_STLOC_I4 && td->last_new_ip [1] == offset) {
 728                         td->last_new_ip [0] = MINT_STLOC_NP_I4;
 729                 } else if (!td->gen_sdb_seq_points &&
 730                                    mt == MINT_TYPE_O && !td->is_bb_start [td->in_start - td->il_code] && td->last_new_ip != NULL &&
 731                                    td->last_new_ip [0] == MINT_STLOC_O && td->last_new_ip [1] == offset) {
 732                         td->last_new_ip [0] = MINT_STLOC_NP_O;
 733                 } else {
 734                         ADD_CODE(td, MINT_LDLOC_I1 + (mt - MINT_TYPE_I1));
 735                         ADD_CODE(td, offset); /*FIX for large offset */
 736                 }
 737                 if (mt == MINT_TYPE_O)
 738                         klass = mono_class_from_mono_type (type);
 739         }
 740         PUSH_TYPE(td, stack_type[mt], klass);
 741 }
 742
 743 static void
 744 store_local(TransformData *td, int n)
 745 {
 746         MonoType *type = td->header->locals [n];
 747         int mt = mint_type (type);
 748         int offset = td->rtm->local_offsets [n];
 749         CHECK_STACK (td, 1);
 750 #if SIZEOF_VOID_P == 8
 751         if (td->sp [-1].type == STACK_TYPE_I4 && stack_type [mt] == STACK_TYPE_I8) {
 752                 ADD_CODE(td, MINT_CONV_I8_I4);
 753                 td->sp [-1].type = STACK_TYPE_I8;
 754         }
 755 #endif
 756         if (!can_store(td->sp [-1].type, stack_type [mt])) {
 757                 g_warning("%s.%s: Store local stack type mismatch %d %d",
 758                         td->method->klass->name, td->method->name,
 759                         stack_type [mt], td->sp [-1].type);
 760         }
 761         if (mt == MINT_TYPE_VT) {
 762                 MonoClass *klass = mono_class_from_mono_type (type);
 763                 gint32 size = mono_class_value_size (klass, NULL);
 764                 ADD_CODE(td, MINT_STLOC_VT);
 765                 ADD_CODE(td, offset); /*FIX for large offset */
 766                 WRITE32(td, &size);
 767                 if (td->sp [-1].type == STACK_TYPE_VT)
 768                         POP_VT(td, size);
 769         } else {
 770                 g_assert (mt < MINT_TYPE_VT);
 771                 ADD_CODE(td, MINT_STLOC_I1 + (mt - MINT_TYPE_I1));
 772                 ADD_CODE(td, offset); /*FIX for large offset */
 773         }
 774         --td->sp;
 775 }
 776
 777 #define SIMPLE_OP(td, op) \
 778         do { \
 779                 ADD_CODE(td, op); \
 780                 ++td->ip; \
 781         } while (0)
 782
 783 static guint16
 784 get_data_item_index (TransformData *td, void *ptr)
 785 {
 786         gpointer p = g_hash_table_lookup (td->data_hash, ptr);
 787         guint index;
 788         if (p != NULL)
 789                 return GPOINTER_TO_UINT (p) - 1;
 790         if (td->max_data_items == td->n_data_items) {
 791                 td->max_data_items = td->n_data_items == 0 ? 16 : 2 * td->max_data_items;
 792                 td->data_items = g_realloc (td->data_items, td->max_data_items * sizeof(td->data_items [0]));
 793         }
 794         index = td->n_data_items;
 795         td->data_items [index] = ptr;
 796         ++td->n_data_items;
 797         g_hash_table_insert (td->data_hash, ptr, GUINT_TO_POINTER (index + 1));
 798         return index;
 799 }
 800
 801 static gboolean
 802 jit_call_supported (MonoMethod *method, MonoMethodSignature *sig)
 803 {
 804         GSList *l;
 805
 806         if (sig->param_count > 6)
 807                 return FALSE;
 808         if (sig->pinvoke)
 809                 return FALSE;
 810         if (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL)
 811                 return FALSE;
 812         if (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL)
 813                 return FALSE;
 814         if (method->is_inflated)
 815                 return FALSE;
 816         if (method->string_ctor)
 817                 return FALSE;
 818
 819         for (l = jit_classes; l; l = l->next) {
 820                 char *class_name = l->data;
 821                 // FIXME: Namespaces
 822                 if (!strcmp (method->klass->name, class_name))
 823                         return TRUE;
 824         }
 825
 826         //return TRUE;
 827         return FALSE;
 828 }
 829
 830 static inline gboolean
 831 type_size (MonoType *type)
 832 {
 833         if (type->type == MONO_TYPE_I4 || type->type == MONO_TYPE_U4)
 834                 return 4;
 835         else if (type->type == MONO_TYPE_I8 || type->type == MONO_TYPE_U8)
 836                 return 8;
 837         else if (type->type == MONO_TYPE_R4 && !type->byref)
 838                 return 4;
 839         else if (type->type == MONO_TYPE_R8 && !type->byref)
 840                 return 8;
 841         return SIZEOF_VOID_P;
 842 }
 843
 844 static int mono_class_get_magic_index (MonoClass *k)
 845 {
 846         if (mono_class_is_magic_int (k))
 847                 return !strcmp ("nint", k->name) ? 0 : 1;
 848
 849         if (mono_class_is_magic_float (k))
 850                 return 2;
 851
 852         return -1;
 853 }
 854
 855
 856 static void
 857 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, gboolean readonly)
 858 {
 859         MonoImage *image = method->klass->image;
 860         MonoMethodSignature *csignature;
 861         MonoError error;
 862         int virtual = *td->ip == CEE_CALLVIRT;
 863         int calli = *td->ip == CEE_CALLI || *td->ip == CEE_MONO_CALLI_EXTRA_ARG;
 864         int i;
 865         guint32 vt_stack_used = 0;
 866         guint32 vt_res_size = 0;
 867         int op = -1;
 868         int native = 0;
 869         int is_void = 0;
 870
 871         guint32 token = read32 (td->ip + 1);
 872
 873         if (target_method == NULL) {
 874                 if (calli) {
 875                         CHECK_STACK(td, 1);
 876                         native = (method->wrapper_type != MONO_WRAPPER_DELEGATE_INVOKE && td->sp [-1].type == STACK_TYPE_I);
 877                         --td->sp;
 878                         if (method->wrapper_type != MONO_WRAPPER_NONE)
 879                                 csignature = (MonoMethodSignature *)mono_method_get_wrapper_data (method, token);
 880                         else
 881                                 csignature = mono_metadata_parse_signature (image, token);
 882
 883                         if (generic_context) {
 884                                 csignature = mono_inflate_generic_signature (csignature, generic_context, &error);
 885                                 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
 886                         }
 887
 888                         target_method = NULL;
 889                 } else {
 890                         if (method->wrapper_type == MONO_WRAPPER_NONE)
 891                                 target_method = mono_get_method_full (image, token, NULL, generic_context);
 892                         else
 893                                 target_method = (MonoMethod *)mono_method_get_wrapper_data (method, token);
 894                         csignature = mono_method_signature (target_method);
 895
 896                         if (generic_context) {
 897                                 csignature = mono_inflate_generic_signature (csignature, generic_context, &error);
 898                                 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
 899                                 target_method = mono_class_inflate_generic_method_checked (target_method, generic_context, &error);
 900                                 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
 901                         }
 902                 }
 903         } else {
 904                 csignature = mono_method_signature (target_method);
 905         }
 906
 907         if (target_method && target_method->string_ctor) {
 908                 /* Create the real signature */
 909                 MonoMethodSignature *ctor_sig = mono_metadata_signature_dup_mempool (td->mempool, csignature);
 910                 ctor_sig->ret = &mono_defaults.string_class->byval_arg;
 911
 912                 csignature = ctor_sig;
 913         }
 914
 915         /* Intrinsics */
 916         if (target_method) {
 917                 const char *tm = target_method->name;
 918                 int type_index = mono_class_get_magic_index (target_method->klass);
 919
 920                 if (target_method->klass == mono_defaults.string_class) {
 921                         if (tm [0] == 'g') {
 922                                 if (strcmp (tm, "get_Chars") == 0)
 923                                         op = MINT_GETCHR;
 924                                 else if (strcmp (tm, "get_Length") == 0)
 925                                         op = MINT_STRLEN;
 926                         }
 927                 } else if (type_index >= 0) {
 928                         MonoClass *magic_class = target_method->klass;
 929
 930                         const int mt = mint_type (&magic_class->byval_arg);
 931                         if (!strcmp (".ctor", tm)) {
 932                                 MonoType *arg = csignature->params [0];
 933                                 /* depending on SIZEOF_VOID_P and the type of the value passed to the .ctor we either have to CONV it, or do nothing */
 934                                 int arg_size = type_size (arg);
 935
 936                                 if (arg_size > SIZEOF_VOID_P) { // 8 -> 4
 937                                         switch (type_index) {
 938                                         case 0: case 1:
 939                                                 ADD_CODE (td, MINT_CONV_I8_I4);
 940                                                 break;
 941                                         case 2:
 942                                                 // ADD_CODE (td, MINT_CONV_R8_R4);
 943                                                 break;
 944                                         }
 945                                 }
 946
 947                                 if (arg_size < SIZEOF_VOID_P) { // 4 -> 8
 948                                         switch (type_index) {
 949                                         case 0: case 1:
 950                                                 ADD_CODE (td, MINT_CONV_I4_I8);
 951                                                 break;
 952                                         case 2:
 953                                                 ADD_CODE (td, MINT_CONV_R4_R8);
 954                                                 break;
 955                                         }
 956                                 }
 957
 958                                 switch (type_index) {
 959                                 case 0: case 1:
 960 #if SIZEOF_VOID_P == 4
 961                                         ADD_CODE (td, MINT_STIND_I4);
 962 #else
 963                                         ADD_CODE (td, MINT_STIND_I8);
 964 #endif
 965                                         break;
 966                                 case 2:
 967 #if SIZEOF_VOID_P == 4
 968                                         ADD_CODE (td, MINT_STIND_R4);
 969 #else
 970                                         ADD_CODE (td, MINT_STIND_R8);
 971 #endif
 972                                         break;
 973                                 }
 974
 975                                 td->sp -= 2;
 976                                 td->ip += 5;
 977                                 return;
 978                         } else if (!strcmp ("op_Implicit", tm ) || !strcmp ("op_Explicit", tm)) {
 979                                 int arg_size = type_size (csignature->params [0]);
 980                                 if (arg_size > SIZEOF_VOID_P) { // 8 -> 4
 981                                         switch (type_index) {
 982                                         case 0: case 1:
 983                                                 ADD_CODE (td, MINT_CONV_I8_I4);
 984                                                 break;
 985                                         case 2:
 986                                                 // ADD_CODE (td, MINT_CONV_R4_R8);
 987                                                 break;
 988                                         }
 989                                 }
 990
 991                                 if (arg_size < SIZEOF_VOID_P) { // 4 -> 8
 992                                         switch (type_index) {
 993                                         case 0: case 1:
 994                                                 ADD_CODE (td, MINT_CONV_I4_I8);
 995                                                 break;
 996                                         case 2:
 997                                                 ADD_CODE (td, MINT_CONV_R4_R8);
 998                                                 break;
 999                                         }
1000                                 }
1001
1002                                 SET_TYPE (td->sp - 1, stack_type [mt], magic_class);
1003                                 td->ip += 5;
1004                                 return;
1005                         } else if (!strcmp (".cctor", tm)) {
1006                                 /* white list */
1007                                 goto no_intrinsic;
1008                         } else if (!strcmp ("Parse", tm)) {
1009                                 /* white list */
1010                                 goto no_intrinsic;
1011                         }
1012
1013                         for (i = 0; i < sizeof (int_unnop) / sizeof  (MagicIntrinsic); ++i) {
1014                                 if (!strcmp (int_unnop [i].op_name, tm)) {
1015                                         ADD_CODE (td, int_unnop [i].insn [type_index]);
1016                                         SET_TYPE (td->sp - 1, stack_type [mt], magic_class);
1017                                         td->ip += 5;
1018                                         return;
1019                                 }
1020                         }
1021
1022                         for (i = 0; i < sizeof (int_binop) / sizeof  (MagicIntrinsic); ++i) {
1023                                 if (!strcmp (int_binop [i].op_name, tm)) {
1024                                         ADD_CODE (td, int_binop [i].insn [type_index]);
1025                                         td->sp -= 1;
1026                                         SET_TYPE (td->sp - 1, stack_type [mt], magic_class);
1027                                         td->ip += 5;
1028                                         return;
1029                                 }
1030                         }
1031
1032                         for (i = 0; i < sizeof (int_cmpop) / sizeof  (MagicIntrinsic); ++i) {
1033                                 if (!strcmp (int_cmpop [i].op_name, tm)) {
1034                                         MonoClass *k = mono_defaults.boolean_class;
1035                                         ADD_CODE (td, int_cmpop [i].insn [type_index]);
1036                                         td->sp -= 1;
1037                                         SET_TYPE (td->sp - 1, stack_type [mint_type (&k->byval_arg)], k);
1038                                         td->ip += 5;
1039                                         return;
1040                                 }
1041                         }
1042
1043                         g_error ("TODO: %s", tm);
1044                 } else if (mono_class_is_subclass_of (target_method->klass, mono_defaults.array_class, FALSE)) {
1045                         if (!strcmp (tm, "get_Rank")) {
1046                                 op = MINT_ARRAY_RANK;
1047                         } else if (!strcmp (tm, "get_Length")) {
1048                                 op = MINT_LDLEN;
1049                         } else if (!strcmp (tm, "Address")) {
1050                                 op = readonly ? MINT_LDELEMA : MINT_LDELEMA_TC;
1051                         }
1052                 } else if (target_method->klass->image == mono_defaults.corlib &&
1053                                    (strcmp (target_method->klass->name_space, "System.Diagnostics") == 0) &&
1054                                    (strcmp (target_method->klass->name, "Debugger") == 0)) {
1055                         if (!strcmp (tm, "Break") && csignature->param_count == 0) {
1056                                 if (mini_should_insert_breakpoint (method))
1057                                         op = MINT_BREAK;
1058                         }
1059                 }
1060         }
1061 no_intrinsic:
1062
1063         if (constrained_class) {
1064                 if (constrained_class->enumtype && !strcmp (target_method->name, "GetHashCode")) {
1065                         /* Use the corresponding method from the base type to avoid boxing */
1066                         MonoType *base_type = mono_class_enum_basetype (constrained_class);
1067                         g_assert (base_type);
1068                         constrained_class = mono_class_from_mono_type (base_type);
1069                         target_method = mono_class_get_method_from_name (constrained_class, target_method->name, 0);
1070                         g_assert (target_method);
1071                 }
1072         }
1073
1074         if (constrained_class) {
1075                 mono_class_setup_vtable (constrained_class);
1076 #if DEBUG_INTERP
1077                 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);
1078 #endif
1079                 target_method = mono_get_method_constrained_with_method (image, target_method, constrained_class, generic_context, &error);
1080 #if DEBUG_INTERP
1081                 g_print ("                    : %s::%s.  %s (%p)\n", target_method->klass->name, target_method->name, mono_signature_full_name (target_method->signature), target_method);
1082 #endif
1083                 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
1084                 mono_class_setup_vtable (target_method->klass);
1085
1086                 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)) {
1087                         if (target_method->klass == mono_defaults.enum_class && (td->sp - csignature->param_count - 1)->type == STACK_TYPE_MP) {
1088                                 /* managed pointer on the stack, we need to deref that puppy */
1089                                 ADD_CODE (td, MINT_LDIND_I);
1090                                 ADD_CODE (td, csignature->param_count);
1091                         }
1092                         ADD_CODE (td, MINT_BOX);
1093                         ADD_CODE (td, get_data_item_index (td, constrained_class));
1094                         ADD_CODE (td, csignature->param_count);
1095                 } else if (!constrained_class->valuetype) {
1096                         /* managed pointer on the stack, we need to deref that puppy */
1097                         ADD_CODE (td, MINT_LDIND_I);
1098                         ADD_CODE (td, csignature->param_count);
1099                 } else {
1100                         if (target_method->klass->valuetype) {
1101                                 /* Own method */
1102                         } else {
1103                                 /* Interface method */
1104                                 int ioffset, slot;
1105
1106                                 mono_class_setup_vtable (constrained_class);
1107                                 ioffset = mono_class_interface_offset (constrained_class, target_method->klass);
1108                                 if (ioffset == -1)
1109                                         g_error ("type load error: constrained_class");
1110                                 slot = mono_method_get_vtable_slot (target_method);
1111                                 if (slot == -1)
1112                                         g_error ("type load error: target_method->klass");
1113                                 target_method = constrained_class->vtable [ioffset + slot];
1114
1115                                 if (target_method->klass == mono_defaults.enum_class) {
1116                                         if ((td->sp - csignature->param_count - 1)->type == STACK_TYPE_MP) {
1117                                                 /* managed pointer on the stack, we need to deref that puppy */
1118                                                 ADD_CODE (td, MINT_LDIND_I);
1119                                                 ADD_CODE (td, csignature->param_count);
1120                                         }
1121                                         ADD_CODE (td, MINT_BOX);
1122                                         ADD_CODE (td, get_data_item_index (td, constrained_class));
1123                                         ADD_CODE (td, csignature->param_count);
1124                                 }
1125                         }
1126                         virtual = FALSE;
1127                 }
1128         }
1129
1130         if (target_method)
1131                 mono_class_init (target_method->klass);
1132
1133         CHECK_STACK (td, csignature->param_count + csignature->hasthis);
1134         if (!calli && op == -1 && (!virtual || (target_method->flags & METHOD_ATTRIBUTE_VIRTUAL) == 0) &&
1135                 (target_method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) == 0 &&
1136                 (target_method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) == 0 &&
1137                 !(target_method->iflags & METHOD_IMPL_ATTRIBUTE_NOINLINING)) {
1138                 int called_inited = mono_class_vtable (domain, target_method->klass)->initialized;
1139                 MonoMethodHeader *mheader = mono_method_get_header (target_method);
1140
1141                 if (/*mono_metadata_signature_equal (method->signature, target_method->signature) */ method == target_method && *(td->ip + 5) == CEE_RET) {
1142                         int offset;
1143                         if (td->verbose_level)
1144                                 g_print ("Optimize tail call of %s.%s\n", target_method->klass->name, target_method->name);
1145
1146                         for (i = csignature->param_count - 1 + !!csignature->hasthis; i >= 0; --i)
1147                                 store_arg (td, i);
1148
1149                         ADD_CODE(td, MINT_BR_S);
1150                         offset = body_start_offset - ((td->new_ip - 1) - td->new_code);
1151                         ADD_CODE(td, offset);
1152                         if (!is_bb_start [td->ip + 5 - td->il_code])
1153                                 ++td->ip; /* gobble the CEE_RET if it isn't branched to */
1154                         td->ip += 5;
1155                         return;
1156                 } else {
1157                         /* mheader might not exist if this is a delegate invoc, etc */
1158                         gboolean has_vt_arg = FALSE;
1159                         for (i = 0; i < csignature->param_count; i++)
1160                                 has_vt_arg |= !mini_type_is_reference (csignature->params [i]);
1161
1162                         if (mheader && *mheader->code == CEE_RET && called_inited && !has_vt_arg) {
1163                                 if (td->verbose_level)
1164                                         g_print ("Inline (empty) call of %s.%s\n", target_method->klass->name, target_method->name);
1165                                 for (i = 0; i < csignature->param_count; i++) {
1166                                         ADD_CODE (td, MINT_POP); /*FIX: vt */
1167                                         ADD_CODE (td, 0);
1168                                 }
1169                                 if (csignature->hasthis) {
1170                                         if (virtual)
1171                                                 ADD_CODE(td, MINT_CKNULL);
1172                                         ADD_CODE (td, MINT_POP);
1173                                         ADD_CODE (td, 0);
1174                                 }
1175                                 td->sp -= csignature->param_count + csignature->hasthis;
1176                                 td->ip += 5;
1177                                 return;
1178                         }
1179                 }
1180         }
1181         if (method->wrapper_type == MONO_WRAPPER_NONE && target_method != NULL) {
1182                 if (target_method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL)
1183                         target_method = mono_marshal_get_native_wrapper (target_method, FALSE, FALSE);
1184                 if (!virtual && target_method->iflags & METHOD_IMPL_ATTRIBUTE_SYNCHRONIZED)
1185                         target_method = mono_marshal_get_synchronized_wrapper (target_method);
1186         }
1187         g_assert (csignature->call_convention == MONO_CALL_DEFAULT || csignature->call_convention == MONO_CALL_C);
1188         td->sp -= csignature->param_count + !!csignature->hasthis;
1189         for (i = 0; i < csignature->param_count; ++i) {
1190                 if (td->sp [i + !!csignature->hasthis].type == STACK_TYPE_VT) {
1191                         gint32 size;
1192                         MonoClass *klass = mono_class_from_mono_type (csignature->params [i]);
1193                         if (csignature->pinvoke && method->wrapper_type != MONO_WRAPPER_NONE)
1194                                 size = mono_class_native_size (klass, NULL);
1195                         else
1196                                 size = mono_class_value_size (klass, NULL);
1197                         size = (size + 7) & ~7;
1198                         vt_stack_used += size;
1199                 }
1200         }
1201
1202         /* need to handle typedbyref ... */
1203         if (csignature->ret->type != MONO_TYPE_VOID) {
1204                 int mt = mint_type(csignature->ret);
1205                 MonoClass *klass = mono_class_from_mono_type (csignature->ret);
1206                 if (mt == MINT_TYPE_VT) {
1207                         if (csignature->pinvoke && method->wrapper_type != MONO_WRAPPER_NONE)
1208                                 vt_res_size = mono_class_native_size (klass, NULL);
1209                         else
1210                                 vt_res_size = mono_class_value_size (klass, NULL);
1211                         PUSH_VT(td, vt_res_size);
1212                 }
1213                 PUSH_TYPE(td, stack_type[mt], klass);
1214         } else
1215                 is_void = TRUE;
1216
1217         if (op >= 0) {
1218                 ADD_CODE (td, op);
1219 #if SIZEOF_VOID_P == 8
1220                 if (op == MINT_LDLEN)
1221                         ADD_CODE (td, MINT_CONV_I4_I8);
1222 #endif
1223                 if (op == MINT_LDELEMA || op == MINT_LDELEMA_TC) {
1224                         ADD_CODE (td, get_data_item_index (td, target_method->klass));
1225                         ADD_CODE (td, 1 + target_method->klass->rank);
1226                 }
1227         } else if (!calli && !virtual && jit_call_supported (target_method, csignature)) {
1228                 ADD_CODE(td, MINT_JIT_CALL);
1229                 ADD_CODE(td, get_data_item_index (td, (void *)mono_interp_get_imethod (domain, target_method, &error)));
1230                 mono_error_assert_ok (&error);
1231         } else {
1232                 if (calli)
1233                         ADD_CODE(td, native ? MINT_CALLI_NAT : MINT_CALLI);
1234                 else if (virtual)
1235                         ADD_CODE(td, is_void ? MINT_VCALLVIRT : MINT_CALLVIRT);
1236                 else
1237                         ADD_CODE(td, is_void ? MINT_VCALL : MINT_CALL);
1238
1239                 if (calli) {
1240                         ADD_CODE(td, get_data_item_index (td, (void *)csignature));
1241                 } else {
1242                         ADD_CODE(td, get_data_item_index (td, (void *)mono_interp_get_imethod (domain, target_method, &error)));
1243                         mono_error_cleanup (&error); /* FIXME: don't swallow the error */
1244                 }
1245         }
1246         td->ip += 5;
1247         if (vt_stack_used != 0 || vt_res_size != 0) {
1248                 ADD_CODE(td, MINT_VTRESULT);
1249                 ADD_CODE(td, vt_res_size);
1250                 WRITE32(td, &vt_stack_used);
1251                 td->vt_sp -= vt_stack_used;
1252         }
1253 }
1254
1255 static MonoClassField *
1256 interp_field_from_token (MonoMethod *method, guint32 token, MonoClass **klass, MonoGenericContext *generic_context)
1257 {
1258         MonoClassField *field = NULL;
1259         if (method->wrapper_type != MONO_WRAPPER_NONE) {
1260                 field = (MonoClassField *) mono_method_get_wrapper_data (method, token);
1261                 *klass = field->parent;
1262         } else {
1263                 MonoError error;
1264                 error_init (&error);
1265                 field = mono_field_from_token_checked (method->klass->image, token, klass, generic_context, &error);
1266                 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
1267         }
1268         return field;
1269 }
1270
1271 static InterpBasicBlock*
1272 get_bb (TransformData *td, InterpBasicBlock *cbb, unsigned char *ip)
1273 {
1274         int offset = ip - td->il_code;
1275         InterpBasicBlock *bb = td->offset_to_bb [offset];
1276
1277         if (!bb) {
1278                 bb = mono_mempool_alloc0 (td->mempool, sizeof (InterpBasicBlock));
1279                 bb->ip = ip;
1280                 td->offset_to_bb [offset] = bb;
1281
1282                 td->basic_blocks = g_list_append_mempool (td->mempool, td->basic_blocks, bb);
1283         }
1284
1285         if (cbb)
1286                 bb->preds = g_slist_prepend_mempool (td->mempool, bb->preds, cbb);
1287         return bb;
1288 }
1289
1290 /*
1291  * get_basic_blocks:
1292  *
1293  *   Compute the set of IL level basic blocks.
1294  */
1295 static void
1296 get_basic_blocks (TransformData *td)
1297 {
1298         guint8 *start = (guint8*)td->il_code;
1299         guint8 *end = (guint8*)td->il_code + td->code_size;
1300         guint8 *ip = start;
1301         unsigned char *target;
1302         int i;
1303         guint cli_addr;
1304         const MonoOpcode *opcode;
1305         InterpBasicBlock *cbb;
1306
1307         td->offset_to_bb = mono_mempool_alloc0 (td->mempool, sizeof (InterpBasicBlock*) * (end - start + 1));
1308         td->entry_bb = cbb = get_bb (td, NULL, start);
1309
1310         while (ip < end) {
1311                 cli_addr = ip - start;
1312                 td->offset_to_bb [cli_addr] = cbb;
1313                 i = mono_opcode_value ((const guint8 **)&ip, end);
1314                 opcode = &mono_opcodes [i];
1315                 switch (opcode->argument) {
1316                 case MonoInlineNone:
1317                         ip++;
1318                         break;
1319                 case MonoInlineString:
1320                 case MonoInlineType:
1321                 case MonoInlineField:
1322                 case MonoInlineMethod:
1323                 case MonoInlineTok:
1324                 case MonoInlineSig:
1325                 case MonoShortInlineR:
1326                 case MonoInlineI:
1327                         ip += 5;
1328                         break;
1329                 case MonoInlineVar:
1330                         ip += 3;
1331                         break;
1332                 case MonoShortInlineVar:
1333                 case MonoShortInlineI:
1334                         ip += 2;
1335                         break;
1336                 case MonoShortInlineBrTarget:
1337                         target = start + cli_addr + 2 + (signed char)ip [1];
1338                         get_bb (td, cbb, target);
1339                         ip += 2;
1340                         cbb = get_bb (td, cbb, ip);
1341                         break;
1342                 case MonoInlineBrTarget:
1343                         target = start + cli_addr + 5 + (gint32)read32 (ip + 1);
1344                         get_bb (td, cbb, target);
1345                         ip += 5;
1346                         cbb = get_bb (td, cbb, ip);
1347                         break;
1348                 case MonoInlineSwitch: {
1349                         guint32 n = read32 (ip + 1);
1350                         guint32 j;
1351                         ip += 5;
1352                         cli_addr += 5 + 4 * n;
1353                         target = start + cli_addr;
1354                         get_bb (td, cbb, target);
1355
1356                         for (j = 0; j < n; ++j) {
1357                                 target = start + cli_addr + (gint32)read32 (ip);
1358                                 get_bb (td, cbb, target);
1359                                 ip += 4;
1360                         }
1361                         cbb = get_bb (td, cbb, ip);
1362                         break;
1363                 }
1364                 case MonoInlineR:
1365                 case MonoInlineI8:
1366                         ip += 9;
1367                         break;
1368                 default:
1369                         g_assert_not_reached ();
1370                 }
1371         }
1372 }
1373
1374 static void
1375 interp_save_debug_info (InterpMethod *rtm, MonoMethodHeader *header, TransformData *td, GArray *line_numbers)
1376 {
1377         MonoDebugMethodJitInfo *dinfo;
1378         int i;
1379
1380         if (!mono_debug_enabled ())
1381                 return;
1382
1383         /*
1384          * We save the debug info in the same way the JIT does it, treating the interpreter IR as the native code.
1385          */
1386
1387         dinfo = g_new0 (MonoDebugMethodJitInfo, 1);
1388         dinfo->num_params = rtm->param_count;
1389         dinfo->params = g_new0 (MonoDebugVarInfo, dinfo->num_params);
1390         dinfo->num_locals = header->num_locals;
1391         dinfo->locals = g_new0 (MonoDebugVarInfo, header->num_locals);
1392         dinfo->code_start = (guint8*)rtm->code;
1393         dinfo->code_size = td->new_ip - td->new_code;
1394         dinfo->epilogue_begin = 0;
1395         dinfo->has_var_info = TRUE;
1396         dinfo->num_line_numbers = line_numbers->len;
1397         dinfo->line_numbers = g_new0 (MonoDebugLineNumberEntry, dinfo->num_line_numbers);
1398
1399         for (i = 0; i < dinfo->num_params; i++) {
1400                 MonoDebugVarInfo *var = &dinfo->params [i];
1401                 var->type = rtm->param_types [i];
1402         }
1403         for (i = 0; i < dinfo->num_locals; i++) {
1404                 MonoDebugVarInfo *var = &dinfo->locals [i];
1405                 var->type = header->locals [i];
1406         }
1407
1408         for (i = 0; i < dinfo->num_line_numbers; i++)
1409                 dinfo->line_numbers [i] = g_array_index (line_numbers, MonoDebugLineNumberEntry, i);
1410         mono_debug_add_method (rtm->method, dinfo, mono_domain_get ());
1411
1412         mono_debug_free_method_jit_info (dinfo);
1413 }
1414
1415 /* Same as the code in seq-points.c */
1416 static void
1417 insert_pred_seq_point (SeqPoint *last_sp, SeqPoint *sp, GSList **next)
1418 {
1419         GSList *l;
1420         int src_index = last_sp->next_offset;
1421         int dst_index = sp->next_offset;
1422
1423         /* bb->in_bb might contain duplicates */
1424         for (l = next [src_index]; l; l = l->next)
1425                 if (GPOINTER_TO_UINT (l->data) == dst_index)
1426                         break;
1427         if (!l)
1428                 next [src_index] = g_slist_append (next [src_index], GUINT_TO_POINTER (dst_index));
1429 }
1430
1431 static void
1432 recursively_make_pred_seq_points (TransformData *td, InterpBasicBlock *bb)
1433 {
1434         const gpointer MONO_SEQ_SEEN_LOOP = GINT_TO_POINTER(-1);
1435         GSList *l;
1436
1437         GArray *predecessors = g_array_new (FALSE, TRUE, sizeof (gpointer));
1438         GHashTable *seen = g_hash_table_new_full (g_direct_hash, NULL, NULL, NULL);
1439
1440         // Insert/remove sentinel into the memoize table to detect loops containing bb
1441         bb->pred_seq_points = MONO_SEQ_SEEN_LOOP;
1442
1443         for (l = bb->preds; l; l = l->next) {
1444                 InterpBasicBlock *in_bb = l->data;
1445
1446                 // This bb has the last seq point, append it and continue
1447                 if (in_bb->last_seq_point != NULL) {
1448                         predecessors = g_array_append_val (predecessors, in_bb->last_seq_point);
1449                         continue;
1450                 }
1451
1452                 // We've looped or handled this before, exit early.
1453                 // No last sequence points to find.
1454                 if (in_bb->pred_seq_points == MONO_SEQ_SEEN_LOOP)
1455                         continue;
1456
1457                 // Take sequence points from incoming basic blocks
1458
1459                 if (in_bb == td->entry_bb)
1460                         continue;
1461
1462                 if (in_bb->pred_seq_points == NULL)
1463                         recursively_make_pred_seq_points (td, in_bb);
1464
1465                 // Union sequence points with incoming bb's
1466                 for (int i=0; i < in_bb->num_pred_seq_points; i++) {
1467                         if (!g_hash_table_lookup (seen, in_bb->pred_seq_points [i])) {
1468                                 g_array_append_val (predecessors, in_bb->pred_seq_points [i]);
1469                                 g_hash_table_insert (seen, in_bb->pred_seq_points [i], (gpointer)&MONO_SEQ_SEEN_LOOP);
1470                         }
1471                 }
1472                 // predecessors = g_array_append_vals (predecessors, in_bb->pred_seq_points, in_bb->num_pred_seq_points);
1473         }
1474
1475         g_hash_table_destroy (seen);
1476
1477         if (predecessors->len != 0) {
1478                 bb->pred_seq_points = mono_mempool_alloc0 (td->mempool, sizeof (SeqPoint *) * predecessors->len);
1479                 bb->num_pred_seq_points = predecessors->len;
1480
1481                 for (int newer = 0; newer < bb->num_pred_seq_points; newer++) {
1482                         bb->pred_seq_points [newer] = g_array_index (predecessors, gpointer, newer);
1483                 }
1484         }
1485
1486         g_array_free (predecessors, TRUE);
1487 }
1488
1489 static void
1490 collect_pred_seq_points (TransformData *td, InterpBasicBlock *bb, SeqPoint *seqp, GSList **next)
1491 {
1492         // Doesn't have a last sequence point, must find from incoming basic blocks
1493         if (bb->pred_seq_points == NULL && bb != td->entry_bb)
1494                 recursively_make_pred_seq_points (td, bb);
1495
1496         for (int i = 0; i < bb->num_pred_seq_points; i++)
1497                 insert_pred_seq_point (bb->pred_seq_points [i], seqp, next);
1498
1499         return;
1500 }
1501
1502 static void
1503 save_seq_points (TransformData *td)
1504 {
1505         InterpMethod *rtm = td->rtm;
1506         GByteArray *array;
1507         int i, seq_info_size;
1508         MonoSeqPointInfo *info;
1509         MonoDomain *domain = mono_domain_get ();
1510         GSList **next = NULL;
1511         GList *bblist;
1512
1513         if (!td->gen_sdb_seq_points)
1514                 return;
1515
1516         /*
1517          * For each sequence point, compute the list of sequence points immediately
1518          * following it, this is needed to implement 'step over' in the debugger agent.
1519          * Similar to the code in mono_save_seq_point_info ().
1520          */
1521         for (i = 0; i < td->seq_points->len; ++i) {
1522                 SeqPoint *sp = g_ptr_array_index (td->seq_points, i);
1523
1524                 /* Store the seq point index here temporarily */
1525                 sp->next_offset = i;
1526         }
1527         next = mono_mempool_alloc0 (td->mempool, sizeof (GList*) * td->seq_points->len);
1528         for (bblist = td->basic_blocks; bblist; bblist = bblist->next) {
1529                 InterpBasicBlock *bb = bblist->data;
1530
1531                 GSList *bb_seq_points = g_slist_reverse (bb->seq_points);
1532                 SeqPoint *last = NULL;
1533                 for (GSList *l = bb_seq_points; l; l = l->next) {
1534                         SeqPoint *sp = l->data;
1535
1536                         if (sp->il_offset == METHOD_ENTRY_IL_OFFSET || sp->il_offset == METHOD_EXIT_IL_OFFSET)
1537                                 /* Used to implement method entry/exit events */
1538                                 continue;
1539
1540                         if (last != NULL) {
1541                                 /* Link with the previous seq point in the same bb */
1542                                 next [last->next_offset] = g_slist_append_mempool (td->mempool, next [last->next_offset], GINT_TO_POINTER (sp->next_offset));
1543                         } else {
1544                                 /* Link with the last bb in the previous bblocks */
1545                                 collect_pred_seq_points (td, bb, sp, next);
1546                         }
1547                         last = sp;
1548                 }
1549         }
1550
1551         /* Serialize the seq points into a byte array */
1552         array = g_byte_array_new ();
1553         SeqPoint zero_seq_point = {0};
1554         SeqPoint* last_seq_point = &zero_seq_point;
1555         for (i = 0; i < td->seq_points->len; ++i) {
1556                 SeqPoint *sp = (SeqPoint*)g_ptr_array_index (td->seq_points, i);
1557
1558                 sp->next_offset = 0;
1559                 if (mono_seq_point_info_add_seq_point (array, sp, last_seq_point, next [i], TRUE))
1560                         last_seq_point = sp;
1561         }
1562
1563         if (td->verbose_level) {
1564                 g_print ("\nSEQ POINT MAP FOR %s: \n", td->method->name);
1565
1566                 for (i = 0; i < td->seq_points->len; ++i) {
1567                         SeqPoint *sp = (SeqPoint*)g_ptr_array_index (td->seq_points, i);
1568                         GSList *l;
1569
1570                         if (!next [i])
1571                                 continue;
1572
1573                         g_print ("\tIL0x%x[0x%0x] ->", sp->il_offset, sp->native_offset);
1574                         for (l = next [i]; l; l = l->next) {
1575                                 int next_index = GPOINTER_TO_UINT (l->data);
1576                                 g_print (" IL0x%x", ((SeqPoint*)g_ptr_array_index (td->seq_points, next_index))->il_offset);
1577                         }
1578                         g_print ("\n");
1579                 }
1580         }
1581
1582         info = mono_seq_point_info_new (array->len, TRUE, array->data, TRUE, &seq_info_size);
1583         InterlockedAdd (&mono_jit_stats.allocated_seq_points_size, seq_info_size);
1584
1585         g_byte_array_free (array, TRUE);
1586
1587         mono_domain_lock (domain);
1588         g_hash_table_insert (domain_jit_info (domain)->seq_points, rtm->method, info);
1589         mono_domain_unlock (domain);
1590 }
1591
1592 static void
1593 emit_seq_point (TransformData *td, int il_offset, InterpBasicBlock *cbb, gboolean nonempty_stack)
1594 {
1595         SeqPoint *seqp;
1596
1597         seqp = mono_mempool_alloc0 (td->mempool, sizeof (SeqPoint));
1598         seqp->il_offset = il_offset;
1599         seqp->native_offset = (guint8*)td->new_ip - (guint8*)td->new_code;
1600         if (nonempty_stack)
1601                 seqp->flags |= MONO_SEQ_POINT_FLAG_NONEMPTY_STACK;
1602
1603         ADD_CODE (td, MINT_SDB_SEQ_POINT);
1604         g_ptr_array_add (td->seq_points, seqp);
1605
1606         cbb->seq_points = g_slist_prepend_mempool (td->mempool, cbb->seq_points, seqp);
1607         cbb->last_seq_point = seqp;
1608 }
1609
1610 #define BARRIER_IF_VOLATILE(td) \
1611         do { \
1612                 if (volatile_) { \
1613                         ADD_CODE (td, MINT_MONO_MEMORY_BARRIER); \
1614                         volatile_ = FALSE; \
1615                 } \
1616         } while (0)
1617
1618 static void
1619 generate (MonoMethod *method, InterpMethod *rtm, unsigned char *is_bb_start, MonoGenericContext *generic_context)
1620 {
1621         MonoMethodHeader *header = mono_method_get_header (method);
1622         MonoMethodSignature *signature = mono_method_signature (method);
1623         MonoImage *image = method->klass->image;
1624         MonoDomain *domain = rtm->domain;
1625         MonoClass *constrained_class = NULL;
1626         MonoError error;
1627         int offset, mt, i, i32;
1628         gboolean readonly = FALSE;
1629         gboolean volatile_ = FALSE;
1630         MonoClass *klass;
1631         MonoClassField *field;
1632         const unsigned char *end;
1633         int new_in_start_offset;
1634         int body_start_offset;
1635         int target;
1636         guint32 token;
1637         TransformData transform_data;
1638         TransformData *td;
1639         int generating_code = 1;
1640         GArray *line_numbers;
1641         MonoDebugMethodInfo *minfo;
1642         MonoBitSet *seq_point_locs = NULL;
1643         MonoBitSet *seq_point_set_locs = NULL;
1644         gboolean sym_seq_points = FALSE;
1645         InterpBasicBlock *bb_exit = NULL;
1646         static gboolean verbose_method_inited;
1647         static char* verbose_method_name;
1648
1649         if (!verbose_method_inited) {
1650                 verbose_method_name = getenv ("MONO_VERBOSE_METHOD");
1651                 verbose_method_inited = TRUE;
1652         }
1653
1654         memset (&transform_data, 0, sizeof(transform_data));
1655         td = &transform_data;
1656
1657         td->method = method;
1658         td->rtm = rtm;
1659         td->is_bb_start = is_bb_start;
1660         td->il_code = header->code;
1661         td->code_size = header->code_size;
1662         td->header = header;
1663         td->max_code_size = td->code_size;
1664         td->new_code = (unsigned short *)g_malloc(td->max_code_size * sizeof(gushort));
1665         td->new_code_end = td->new_code + td->max_code_size;
1666         td->mempool = mono_mempool_new ();
1667         td->in_offsets = g_malloc0(header->code_size * sizeof(int));
1668         td->stack_state = g_malloc0(header->code_size * sizeof(StackInfo *));
1669         td->stack_height = g_malloc(header->code_size * sizeof(int));
1670         td->vt_stack_size = g_malloc(header->code_size * sizeof(int));
1671         td->n_data_items = 0;
1672         td->max_data_items = 0;
1673         td->data_items = NULL;
1674         td->data_hash = g_hash_table_new (NULL, NULL);
1675         td->clause_indexes = g_malloc (header->code_size * sizeof (int));
1676         td->gen_sdb_seq_points = debug_options.gen_sdb_seq_points;
1677         td->seq_points = g_ptr_array_new ();
1678         td->relocs = g_ptr_array_new ();
1679         td->verbose_level = mono_interp_traceopt;
1680         rtm->data_items = td->data_items;
1681         for (i = 0; i < header->code_size; i++) {
1682                 td->stack_height [i] = -1;
1683                 td->clause_indexes [i] = -1;
1684         }
1685
1686         if (verbose_method_name) {
1687                 const char *name = verbose_method_name;
1688
1689                 if ((strchr (name, '.') > name) || strchr (name, ':')) {
1690                         MonoMethodDesc *desc;
1691
1692                         desc = mono_method_desc_new (name, TRUE);
1693                         if (mono_method_desc_full_match (desc, method)) {
1694                                 td->verbose_level = 4;
1695                         }
1696                         mono_method_desc_free (desc);
1697                 } else {
1698                         if (strcmp (method->name, name) == 0)
1699                                 td->verbose_level = 4;
1700                 }
1701         }
1702
1703         if (td->gen_sdb_seq_points) {
1704                 get_basic_blocks (td);
1705
1706                 minfo = mono_debug_lookup_method (method);
1707
1708                 if (minfo) {
1709                         MonoSymSeqPoint *sps;
1710                         int i, n_il_offsets;
1711
1712                         mono_debug_get_seq_points (minfo, NULL, NULL, NULL, &sps, &n_il_offsets);
1713                         // FIXME: Free
1714                         seq_point_locs = mono_bitset_mem_new (mono_mempool_alloc0 (td->mempool, mono_bitset_alloc_size (header->code_size, 0)), header->code_size, 0);
1715                         seq_point_set_locs = mono_bitset_mem_new (mono_mempool_alloc0 (td->mempool, mono_bitset_alloc_size (header->code_size, 0)), header->code_size, 0);
1716                         sym_seq_points = TRUE;
1717
1718                         for (i = 0; i < n_il_offsets; ++i) {
1719                                 if (sps [i].il_offset < header->code_size)
1720                                         mono_bitset_set_fast (seq_point_locs, sps [i].il_offset);
1721                         }
1722                         g_free (sps);
1723                 } else if (!method->wrapper_type && !method->dynamic && mono_debug_image_has_debug_info (method->klass->image)) {
1724                         /* Methods without line number info like auto-generated property accessors */
1725                         seq_point_locs = mono_bitset_new (header->code_size, 0);
1726                         seq_point_set_locs = mono_bitset_new (header->code_size, 0);
1727                         sym_seq_points = TRUE;
1728                 }
1729         }
1730
1731         td->new_ip = td->new_code;
1732         td->last_new_ip = NULL;
1733
1734         td->stack = g_malloc0 ((header->max_stack + 1) * sizeof (td->stack [0]));
1735         td->sp = td->stack;
1736         td->max_stack_height = 0;
1737
1738         line_numbers = g_array_new (FALSE, TRUE, sizeof (MonoDebugLineNumberEntry));
1739
1740         for (i = 0; i < header->num_clauses; i++) {
1741                 MonoExceptionClause *c = header->clauses + i;
1742                 td->stack_height [c->handler_offset] = 0;
1743                 td->vt_stack_size [c->handler_offset] = 0;
1744                 td->is_bb_start [c->handler_offset] = 1;
1745
1746                 td->stack_height [c->handler_offset] = 1;
1747                 td->stack_state [c->handler_offset] = g_malloc0(sizeof(StackInfo));
1748                 td->stack_state [c->handler_offset][0].type = STACK_TYPE_O;
1749                 td->stack_state [c->handler_offset][0].klass = NULL; /*FIX*/
1750
1751                 if (c->flags & MONO_EXCEPTION_CLAUSE_FILTER) {
1752                         td->stack_height [c->data.filter_offset] = 0;
1753                         td->vt_stack_size [c->data.filter_offset] = 0;
1754                         td->is_bb_start [c->data.filter_offset] = 1;
1755
1756                         td->stack_height [c->data.filter_offset] = 1;
1757                         td->stack_state [c->data.filter_offset] = g_malloc0(sizeof(StackInfo));
1758                         td->stack_state [c->data.filter_offset][0].type = STACK_TYPE_O;
1759                         td->stack_state [c->data.filter_offset][0].klass = NULL; /*FIX*/
1760                 }
1761
1762                 for (int j = c->handler_offset; j < c->handler_offset + c->handler_len; ++j) {
1763                         if (td->clause_indexes [j] == -1)
1764                                 td->clause_indexes [j] = i;
1765                 }
1766         }
1767
1768         td->ip = header->code;
1769         end = td->ip + header->code_size;
1770
1771         if (td->verbose_level) {
1772                 char *tmp = mono_disasm_code (NULL, method, td->ip, end);
1773                 char *name = mono_method_full_name (method, TRUE);
1774                 g_print ("Method %s, original code:\n", name);
1775                 g_print ("%s\n", tmp);
1776                 g_free (tmp);
1777                 g_free (name);
1778         }
1779
1780         if (signature->hasthis)
1781                 store_inarg (td, 0);
1782         for (i = 0; i < signature->param_count; i++)
1783                 store_inarg (td, i + !!signature->hasthis);
1784
1785         body_start_offset = td->new_ip - td->new_code;
1786
1787         for (i = 0; i < header->num_locals; i++) {
1788                 int mt = mint_type(header->locals [i]);
1789                 if (mt == MINT_TYPE_VT || mt == MINT_TYPE_O || mt == MINT_TYPE_P) {
1790                         ADD_CODE(td, MINT_INITLOCALS);
1791                         break;
1792                 }
1793         }
1794
1795         if (rtm->prof_flags & MONO_PROFILER_CALL_INSTRUMENTATION_ENTER)
1796                 ADD_CODE (td, MINT_PROF_ENTER);
1797
1798         if (sym_seq_points) {
1799                 InterpBasicBlock *cbb = td->offset_to_bb [0];
1800                 g_assert (cbb);
1801                 emit_seq_point (td, METHOD_ENTRY_IL_OFFSET, cbb, FALSE);
1802         }
1803
1804         while (td->ip < end) {
1805                 int in_offset;
1806
1807                 g_assert (td->sp >= td->stack);
1808                 g_assert (td->vt_sp < 0x10000000);
1809                 in_offset = td->ip - header->code;
1810                 td->in_offsets [in_offset] = td->new_ip - td->new_code;
1811                 new_in_start_offset = td->new_ip - td->new_code;
1812                 td->in_start = td->ip;
1813
1814                 MonoDebugLineNumberEntry lne;
1815                 lne.native_offset = (guint8*)td->new_ip - (guint8*)td->new_code;
1816                 lne.il_offset = in_offset;
1817                 g_array_append_val (line_numbers, lne);
1818
1819                 if (td->stack_height [in_offset] >= 0) {
1820                         g_assert (is_bb_start [in_offset]);
1821                         if (td->stack_height [in_offset] > 0)
1822                                 memcpy (td->stack, td->stack_state [in_offset], td->stack_height [in_offset] * sizeof(td->stack [0]));
1823                         td->sp = td->stack + td->stack_height [in_offset];
1824                         td->vt_sp = td->vt_stack_size [in_offset];
1825                 }
1826                 if (is_bb_start [in_offset]) {
1827                         generating_code = 1;
1828                 }
1829                 if (!generating_code) {
1830                         while (td->ip < end && !is_bb_start [td->ip - td->il_code])
1831                                 ++td->ip;
1832                         continue;
1833                 }
1834                 if (td->verbose_level > 1) {
1835                         printf("IL_%04lx %s %-10s -> IL_%04lx, sp %ld, %s %-12s vt_sp %u (max %u)\n",
1836                                 td->ip - td->il_code,
1837                                 td->is_bb_start [td->ip - td->il_code] == 3 ? "<>" :
1838                                 td->is_bb_start [td->ip - td->il_code] == 2 ? "< " :
1839                                 td->is_bb_start [td->ip - td->il_code] == 1 ? " >" : "  ",
1840                                 mono_opcode_name (*td->ip), td->new_ip - td->new_code, td->sp - td->stack,
1841                                 td->sp > td->stack ? stack_type_string [td->sp [-1].type] : "  ",
1842                                 (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) : "",
1843                                 td->vt_sp, td->max_vt_sp);
1844                 }
1845
1846                 if (sym_seq_points && mono_bitset_test_fast (seq_point_locs, td->ip - header->code)) {
1847                         InterpBasicBlock *cbb = td->offset_to_bb [td->ip - header->code];
1848                         g_assert (cbb);
1849
1850                         /*
1851                          * Make methods interruptable at the beginning, and at the targets of
1852                          * backward branches.
1853                          */
1854                         if (in_offset == 0 || g_slist_length (cbb->preds) > 1)
1855                                 ADD_CODE (td, MINT_SDB_INTR_LOC);
1856
1857                         emit_seq_point (td, in_offset, cbb, FALSE);
1858
1859                         mono_bitset_set_fast (seq_point_set_locs, td->ip - header->code);
1860                 }
1861
1862                 if (sym_seq_points)
1863                         bb_exit = td->offset_to_bb [td->ip - header->code];
1864
1865                 switch (*td->ip) {
1866                 case CEE_NOP:
1867                         /* lose it */
1868                         ++td->ip;
1869                         break;
1870                 case CEE_BREAK:
1871                         SIMPLE_OP(td, MINT_BREAK);
1872                         break;
1873                 case CEE_LDARG_0:
1874                 case CEE_LDARG_1:
1875                 case CEE_LDARG_2:
1876                 case CEE_LDARG_3:
1877                         load_arg (td, *td->ip - CEE_LDARG_0);
1878                         ++td->ip;
1879                         break;
1880                 case CEE_LDLOC_0:
1881                 case CEE_LDLOC_1:
1882                 case CEE_LDLOC_2:
1883                 case CEE_LDLOC_3:
1884                         load_local (td, *td->ip - CEE_LDLOC_0);
1885                         ++td->ip;
1886                         break;
1887                 case CEE_STLOC_0:
1888                 case CEE_STLOC_1:
1889                 case CEE_STLOC_2:
1890                 case CEE_STLOC_3:
1891                         store_local (td, *td->ip - CEE_STLOC_0);
1892                         ++td->ip;
1893                         break;
1894                 case CEE_LDARG_S:
1895                         load_arg (td, ((guint8 *)td->ip)[1]);
1896                         td->ip += 2;
1897                         break;
1898                 case CEE_LDARGA_S: {
1899                         /* NOTE: n includes this */
1900                         int n = ((guint8 *) td->ip) [1];
1901                         ADD_CODE (td, MINT_LDARGA);
1902                         ADD_CODE (td, td->rtm->arg_offsets [n]);
1903                         PUSH_SIMPLE_TYPE(td, STACK_TYPE_MP);
1904                         td->ip += 2;
1905                         break;
1906                 }
1907                 case CEE_STARG_S:
1908                         store_arg (td, ((guint8 *)td->ip)[1]);
1909                         td->ip += 2;
1910                         break;
1911                 case CEE_LDLOC_S:
1912                         load_local (td, ((guint8 *)td->ip)[1]);
1913                         td->ip += 2;
1914                         break;
1915                 case CEE_LDLOCA_S:
1916                         ADD_CODE(td, MINT_LDLOCA_S);
1917                         ADD_CODE(td, td->rtm->local_offsets [((guint8 *)td->ip)[1]]);
1918                         PUSH_SIMPLE_TYPE(td, STACK_TYPE_MP);
1919                         td->ip += 2;
1920                         break;
1921                 case CEE_STLOC_S:
1922                         store_local (td, ((guint8 *)td->ip)[1]);
1923                         td->ip += 2;
1924                         break;
1925                 case CEE_LDNULL:
1926                         SIMPLE_OP(td, MINT_LDNULL);
1927                         PUSH_TYPE(td, STACK_TYPE_O, NULL);
1928                         break;
1929                 case CEE_LDC_I4_M1:
1930                         SIMPLE_OP(td, MINT_LDC_I4_M1);
1931                         PUSH_SIMPLE_TYPE(td, STACK_TYPE_I4);
1932                         break;
1933                 case CEE_LDC_I4_0:
1934                         if (!td->is_bb_start[td->ip + 1 - td->il_code] && td->ip [1] == 0xfe && td->ip [2] == CEE_CEQ &&
1935                                 td->sp > td->stack && td->sp [-1].type == STACK_TYPE_I4) {
1936                                 SIMPLE_OP(td, MINT_CEQ0_I4);
1937                                 td->ip += 2;
1938                         } else {
1939                                 SIMPLE_OP(td, MINT_LDC_I4_0);
1940                                 PUSH_SIMPLE_TYPE(td, STACK_TYPE_I4);
1941                         }
1942                         break;
1943                 case CEE_LDC_I4_1:
1944                         if (!td->is_bb_start[td->ip + 1 - td->il_code] &&
1945                                 (td->ip [1] == CEE_ADD || td->ip [1] == CEE_SUB) && td->sp [-1].type == STACK_TYPE_I4) {
1946                                 ADD_CODE(td, td->ip [1] == CEE_ADD ? MINT_ADD1_I4 : MINT_SUB1_I4);
1947                                 td->ip += 2;
1948                         } else {
1949                                 SIMPLE_OP(td, MINT_LDC_I4_1);
1950                                 PUSH_SIMPLE_TYPE(td, STACK_TYPE_I4);
1951                         }
1952                         break;
1953                 case CEE_LDC_I4_2:
1954                 case CEE_LDC_I4_3:
1955                 case CEE_LDC_I4_4:
1956                 case CEE_LDC_I4_5:
1957                 case CEE_LDC_I4_6:
1958                 case CEE_LDC_I4_7:
1959                 case CEE_LDC_I4_8:
1960                         SIMPLE_OP(td, (*td->ip - CEE_LDC_I4_0) + MINT_LDC_I4_0);
1961                         PUSH_SIMPLE_TYPE(td, STACK_TYPE_I4);
1962                         break;
1963                 case CEE_LDC_I4_S:
1964                         ADD_CODE(td, MINT_LDC_I4_S);
1965                         ADD_CODE(td, ((gint8 *) td->ip) [1]);
1966                         td->ip += 2;
1967                         PUSH_SIMPLE_TYPE(td, STACK_TYPE_I4);
1968                         break;
1969                 case CEE_LDC_I4:
1970                         i32 = read32 (td->ip + 1);
1971                         ADD_CODE(td, MINT_LDC_I4);
1972                         WRITE32(td, &i32);
1973                         td->ip += 5;
1974                         PUSH_SIMPLE_TYPE(td, STACK_TYPE_I4);
1975                         break;
1976                 case CEE_LDC_I8: {
1977                         gint64 val = read64 (td->ip + 1);
1978                         ADD_CODE(td, MINT_LDC_I8);
1979                         WRITE64(td, &val);
1980                         td->ip += 9;
1981                         PUSH_SIMPLE_TYPE(td, STACK_TYPE_I8);
1982                         break;
1983                 }
1984                 case CEE_LDC_R4: {
1985                         float val;
1986                         readr4 (td->ip + 1, &val);
1987                         ADD_CODE(td, MINT_LDC_R4);
1988                         WRITE32(td, &val);
1989                         td->ip += 5;
1990                         PUSH_SIMPLE_TYPE(td, STACK_TYPE_R8);
1991                         break;
1992                 }
1993                 case CEE_LDC_R8: {
1994                         double val;
1995                         readr8 (td->ip + 1, &val);
1996                         ADD_CODE(td, MINT_LDC_R8);
1997                         WRITE64(td, &val);
1998                         td->ip += 9;
1999                         PUSH_SIMPLE_TYPE(td, STACK_TYPE_R8);
2000                         break;
2001                 }
2002                 case CEE_DUP: {
2003                         int type = td->sp [-1].type;
2004                         MonoClass *klass = td->sp [-1].klass;
2005                         if (td->sp [-1].type == STACK_TYPE_VT) {
2006                                 gint32 size = mono_class_value_size (klass, NULL);
2007                                 PUSH_VT(td, size);
2008                                 ADD_CODE(td, MINT_DUP_VT);
2009                                 WRITE32(td, &size);
2010                                 td->ip ++;
2011                         } else
2012                                 SIMPLE_OP(td, MINT_DUP);
2013                         PUSH_TYPE(td, type, klass);
2014                         break;
2015                 }
2016                 case CEE_POP:
2017                         CHECK_STACK(td, 1);
2018                         SIMPLE_OP(td, MINT_POP);
2019                         ADD_CODE (td, 0);
2020                         if (td->sp [-1].type == STACK_TYPE_VT) {
2021                                 int size = mono_class_value_size (td->sp [-1].klass, NULL);
2022                                 size = (size + 7) & ~7;
2023                                 ADD_CODE(td, MINT_VTRESULT);
2024                                 ADD_CODE(td, 0);
2025                                 WRITE32(td, &size);
2026                                 td->vt_sp -= size;
2027                         }
2028                         --td->sp;
2029                         break;
2030                 case CEE_JMP: {
2031                         MonoMethod *m;
2032                         if (td->sp > td->stack)
2033                                 g_warning ("CEE_JMP: stack must be empty");
2034                         token = read32 (td->ip + 1);
2035                         m = mono_get_method_full (image, token, NULL, generic_context);
2036                         ADD_CODE (td, MINT_JMP);
2037                         ADD_CODE (td, get_data_item_index (td, mono_interp_get_imethod (domain, m, &error)));
2038                         mono_error_cleanup (&error); /* FIXME: don't swallow the error */
2039                         td->ip += 5;
2040                         break;
2041                 }
2042                 case CEE_CALLVIRT: /* Fall through */
2043                 case CEE_CALLI:    /* Fall through */
2044                 case CEE_CALL: {
2045                         gboolean need_seq_point = FALSE;
2046
2047                         if (sym_seq_points && !mono_bitset_test_fast (seq_point_locs, td->ip + 5 - header->code))
2048                                 need_seq_point = TRUE;
2049
2050                         interp_transform_call (td, method, NULL, domain, generic_context, is_bb_start, body_start_offset, constrained_class, readonly);
2051
2052                         if (need_seq_point) {
2053                                 InterpBasicBlock *cbb = td->offset_to_bb [td->ip - header->code];
2054                                 g_assert (cbb);
2055
2056                                 emit_seq_point (td, td->ip - header->code, cbb, TRUE);
2057                         }
2058
2059                         constrained_class = NULL;
2060                         readonly = FALSE;
2061                         break;
2062                 }
2063                 case CEE_RET: {
2064                         int vt_size = 0;
2065                         if (signature->ret->type != MONO_TYPE_VOID) {
2066                                 --td->sp;
2067                                 MonoClass *klass = mono_class_from_mono_type (signature->ret);
2068                                 if (mint_type (&klass->byval_arg) == MINT_TYPE_VT) {
2069                                         vt_size = mono_class_value_size (klass, NULL);
2070                                         vt_size = (vt_size + 7) & ~7;
2071                                 }
2072                         }
2073                         if (td->sp > td->stack)
2074                                 g_warning ("%s.%s: CEE_RET: more values on stack: %d", td->method->klass->name, td->method->name, td->sp - td->stack);
2075                         if (td->vt_sp != vt_size)
2076                                 g_error ("%s.%s: CEE_RET: value type stack: %d vs. %d", td->method->klass->name, td->method->name, td->vt_sp, vt_size);
2077
2078                         if (sym_seq_points) {
2079                                 InterpBasicBlock *cbb = td->offset_to_bb [td->ip - header->code];
2080                                 g_assert (cbb);
2081                                 emit_seq_point (td, METHOD_EXIT_IL_OFFSET, bb_exit, FALSE);
2082                         }
2083
2084                         if (vt_size == 0)
2085                                 SIMPLE_OP(td, signature->ret->type == MONO_TYPE_VOID ? MINT_RET_VOID : MINT_RET);
2086                         else {
2087                                 ADD_CODE(td, MINT_RET_VT);
2088                                 WRITE32(td, &vt_size);
2089                                 ++td->ip;
2090                         }
2091                         generating_code = 0;
2092                         break;
2093                 }
2094                 case CEE_BR:
2095                         handle_branch (td, MINT_BR_S, MINT_BR, 5 + read32 (td->ip + 1));
2096                         td->ip += 5;
2097                         generating_code = 0;
2098                         break;
2099                 case CEE_BR_S:
2100                         handle_branch (td, MINT_BR_S, MINT_BR, 2 + (gint8)td->ip [1]);
2101                         td->ip += 2;
2102                         generating_code = 0;
2103                         break;
2104                 case CEE_BRFALSE:
2105                         one_arg_branch (td, MINT_BRFALSE_I4, 5 + read32 (td->ip + 1));
2106                         td->ip += 5;
2107                         break;
2108                 case CEE_BRFALSE_S:
2109                         one_arg_branch (td, MINT_BRFALSE_I4, 2 + (gint8)td->ip [1]);
2110                         td->ip += 2;
2111                         break;
2112                 case CEE_BRTRUE:
2113                         one_arg_branch (td, MINT_BRTRUE_I4, 5 + read32 (td->ip + 1));
2114                         td->ip += 5;
2115                         break;
2116                 case CEE_BRTRUE_S:
2117                         one_arg_branch (td, MINT_BRTRUE_I4, 2 + (gint8)td->ip [1]);
2118                         td->ip += 2;
2119                         break;
2120                 case CEE_BEQ:
2121                         two_arg_branch (td, MINT_BEQ_I4, 5 + read32 (td->ip + 1));
2122                         td->ip += 5;
2123                         break;
2124                 case CEE_BEQ_S:
2125                         two_arg_branch (td, MINT_BEQ_I4, 2 + (gint8) td->ip [1]);
2126                         td->ip += 2;
2127                         break;
2128                 case CEE_BGE:
2129                         two_arg_branch (td, MINT_BGE_I4, 5 + read32 (td->ip + 1));
2130                         td->ip += 5;
2131                         break;
2132                 case CEE_BGE_S:
2133                         two_arg_branch (td, MINT_BGE_I4, 2 + (gint8) td->ip [1]);
2134                         td->ip += 2;
2135                         break;
2136                 case CEE_BGT:
2137                         two_arg_branch (td, MINT_BGT_I4, 5 + read32 (td->ip + 1));
2138                         td->ip += 5;
2139                         break;
2140                 case CEE_BGT_S:
2141                         two_arg_branch (td, MINT_BGT_I4, 2 + (gint8) td->ip [1]);
2142                         td->ip += 2;
2143                         break;
2144                 case CEE_BLT:
2145                         two_arg_branch (td, MINT_BLT_I4, 5 + read32 (td->ip + 1));
2146                         td->ip += 5;
2147                         break;
2148                 case CEE_BLT_S:
2149                         two_arg_branch (td, MINT_BLT_I4, 2 + (gint8) td->ip [1]);
2150                         td->ip += 2;
2151                         break;
2152                 case CEE_BLE:
2153                         two_arg_branch (td, MINT_BLE_I4, 5 + read32 (td->ip + 1));
2154                         td->ip += 5;
2155                         break;
2156                 case CEE_BLE_S:
2157                         two_arg_branch (td, MINT_BLE_I4, 2 + (gint8) td->ip [1]);
2158                         td->ip += 2;
2159                         break;
2160                 case CEE_BNE_UN:
2161                         two_arg_branch (td, MINT_BNE_UN_I4, 5 + read32 (td->ip + 1));
2162                         td->ip += 5;
2163                         break;
2164                 case CEE_BNE_UN_S:
2165                         two_arg_branch (td, MINT_BNE_UN_I4, 2 + (gint8) td->ip [1]);
2166                         td->ip += 2;
2167                         break;
2168                 case CEE_BGE_UN:
2169                         two_arg_branch (td, MINT_BGE_UN_I4, 5 + read32 (td->ip + 1));
2170                         td->ip += 5;
2171                         break;
2172                 case CEE_BGE_UN_S:
2173                         two_arg_branch (td, MINT_BGE_UN_I4, 2 + (gint8) td->ip [1]);
2174                         td->ip += 2;
2175                         break;
2176                 case CEE_BGT_UN:
2177                         two_arg_branch (td, MINT_BGT_UN_I4, 5 + read32 (td->ip + 1));
2178                         td->ip += 5;
2179                         break;
2180                 case CEE_BGT_UN_S:
2181                         two_arg_branch (td, MINT_BGT_UN_I4, 2 + (gint8) td->ip [1]);
2182                         td->ip += 2;
2183                         break;
2184                 case CEE_BLE_UN:
2185                         two_arg_branch (td, MINT_BLE_UN_I4, 5 + read32 (td->ip + 1));
2186                         td->ip += 5;
2187                         break;
2188                 case CEE_BLE_UN_S:
2189                         two_arg_branch (td, MINT_BLE_UN_I4, 2 + (gint8) td->ip [1]);
2190                         td->ip += 2;
2191                         break;
2192                 case CEE_BLT_UN:
2193                         two_arg_branch (td, MINT_BLT_UN_I4, 5 + read32 (td->ip + 1));
2194                         td->ip += 5;
2195                         break;
2196                 case CEE_BLT_UN_S:
2197                         two_arg_branch (td, MINT_BLT_UN_I4, 2 + (gint8) td->ip [1]);
2198                         td->ip += 2;
2199                         break;
2200                 case CEE_SWITCH: {
2201                         guint32 n;
2202                         const unsigned char *next_ip;
2203                         ++td->ip;
2204                         n = read32 (td->ip);
2205                         ADD_CODE (td, MINT_SWITCH);
2206                         WRITE32 (td, &n);
2207                         td->ip += 4;
2208                         next_ip = td->ip + n * 4;
2209                         --td->sp;
2210                         int stack_height = td->sp - td->stack;
2211                         for (i = 0; i < n; i++) {
2212                                 offset = read32 (td->ip);
2213                                 target = next_ip - td->il_code + offset;
2214                                 if (offset < 0) {
2215 #if DEBUG_INTERP
2216                                         if (stack_height > 0 && stack_height != td->stack_height [target])
2217                                                 g_warning ("SWITCH with back branch and non-empty stack");
2218 #endif
2219                                         target = td->in_offsets [target] - (td->new_ip - td->new_code);
2220                                 } else {
2221                                         td->stack_height [target] = stack_height;
2222                                         td->vt_stack_size [target] = td->vt_sp;
2223                                         if (stack_height > 0)
2224                                                 td->stack_state [target] = g_memdup (td->stack, stack_height * sizeof (td->stack [0]));
2225
2226                                         Reloc *reloc = mono_mempool_alloc0 (td->mempool, sizeof (Reloc));
2227                                         reloc->type = RELOC_SWITCH;
2228                                         reloc->offset = td->new_ip - td->new_code;
2229                                         reloc->target = target;
2230                                         g_ptr_array_add (td->relocs, reloc);
2231                                         target = 0xffff;
2232                                 }
2233                                 WRITE32 (td, &target);
2234                                 td->ip += 4;
2235                         }
2236                         break;
2237                 }
2238                 case CEE_LDIND_I1:
2239                         CHECK_STACK (td, 1);
2240                         SIMPLE_OP (td, MINT_LDIND_I1);
2241                         SET_SIMPLE_TYPE(td->sp - 1, STACK_TYPE_I4);
2242                         BARRIER_IF_VOLATILE (td);
2243                         break;
2244                 case CEE_LDIND_U1:
2245                         CHECK_STACK (td, 1);
2246                         SIMPLE_OP (td, MINT_LDIND_U1);
2247                         SET_SIMPLE_TYPE(td->sp - 1, STACK_TYPE_I4);
2248                         BARRIER_IF_VOLATILE (td);
2249                         break;
2250                 case CEE_LDIND_I2:
2251                         CHECK_STACK (td, 1);
2252                         SIMPLE_OP (td, MINT_LDIND_I2);
2253                         SET_SIMPLE_TYPE(td->sp - 1, STACK_TYPE_I4);
2254                         BARRIER_IF_VOLATILE (td);
2255                         break;
2256                 case CEE_LDIND_U2:
2257                         CHECK_STACK (td, 1);
2258                         SIMPLE_OP (td, MINT_LDIND_U2);
2259                         SET_SIMPLE_TYPE(td->sp - 1, STACK_TYPE_I4);
2260                         BARRIER_IF_VOLATILE (td);
2261                         break;
2262                 case CEE_LDIND_I4:
2263                         CHECK_STACK (td, 1);
2264                         SIMPLE_OP (td, MINT_LDIND_I4);
2265                         SET_SIMPLE_TYPE(td->sp - 1, STACK_TYPE_I4);
2266                         BARRIER_IF_VOLATILE (td);
2267                         break;
2268                 case CEE_LDIND_U4:
2269                         CHECK_STACK (td, 1);
2270                         SIMPLE_OP (td, MINT_LDIND_U4);
2271                         SET_SIMPLE_TYPE(td->sp - 1, STACK_TYPE_I4);
2272                         BARRIER_IF_VOLATILE (td);
2273                         break;
2274                 case CEE_LDIND_I8:
2275                         CHECK_STACK (td, 1);
2276                         SIMPLE_OP (td, MINT_LDIND_I8);
2277                         SET_SIMPLE_TYPE(td->sp - 1, STACK_TYPE_I8);
2278                         BARRIER_IF_VOLATILE (td);
2279                         break;
2280                 case CEE_LDIND_I:
2281                         CHECK_STACK (td, 1);
2282                         SIMPLE_OP (td, MINT_LDIND_I);
2283                         ADD_CODE (td, 0);
2284                         SET_SIMPLE_TYPE(td->sp - 1, STACK_TYPE_I);
2285                         BARRIER_IF_VOLATILE (td);
2286                         break;
2287                 case CEE_LDIND_R4:
2288                         CHECK_STACK (td, 1);
2289                         SIMPLE_OP (td, MINT_LDIND_R4);
2290                         SET_SIMPLE_TYPE(td->sp - 1, STACK_TYPE_R8);
2291                         BARRIER_IF_VOLATILE (td);
2292                         break;
2293                 case CEE_LDIND_R8:
2294                         CHECK_STACK (td, 1);
2295                         SIMPLE_OP (td, MINT_LDIND_R8);
2296                         SET_SIMPLE_TYPE(td->sp - 1, STACK_TYPE_R8);
2297                         BARRIER_IF_VOLATILE (td);
2298                         break;
2299                 case CEE_LDIND_REF:
2300                         CHECK_STACK (td, 1);
2301                         SIMPLE_OP (td, MINT_LDIND_REF);
2302                         BARRIER_IF_VOLATILE (td);
2303                         SET_SIMPLE_TYPE(td->sp - 1, STACK_TYPE_O);
2304                         break;
2305                 case CEE_STIND_REF:
2306                         CHECK_STACK (td, 2);
2307                         BARRIER_IF_VOLATILE (td);
2308                         SIMPLE_OP (td, MINT_STIND_REF);
2309                         td->sp -= 2;
2310                         break;
2311                 case CEE_STIND_I1:
2312                         CHECK_STACK (td, 2);
2313                         BARRIER_IF_VOLATILE (td);
2314                         SIMPLE_OP (td, MINT_STIND_I1);
2315                         td->sp -= 2;
2316                         break;
2317                 case CEE_STIND_I2:
2318                         CHECK_STACK (td, 2);
2319                         BARRIER_IF_VOLATILE (td);
2320                         SIMPLE_OP (td, MINT_STIND_I2);
2321                         td->sp -= 2;
2322                         break;
2323                 case CEE_STIND_I4:
2324                         CHECK_STACK (td, 2);
2325                         BARRIER_IF_VOLATILE (td);
2326                         SIMPLE_OP (td, MINT_STIND_I4);
2327                         td->sp -= 2;
2328                         break;
2329                 case CEE_STIND_I:
2330                         CHECK_STACK (td, 2);
2331                         BARRIER_IF_VOLATILE (td);
2332                         SIMPLE_OP (td, MINT_STIND_I);
2333                         td->sp -= 2;
2334                         break;
2335                 case CEE_STIND_I8:
2336                         CHECK_STACK (td, 2);
2337                         BARRIER_IF_VOLATILE (td);
2338                         SIMPLE_OP (td, MINT_STIND_I8);
2339                         td->sp -= 2;
2340                         break;
2341                 case CEE_STIND_R4:
2342                         CHECK_STACK (td, 2);
2343                         BARRIER_IF_VOLATILE (td);
2344                         SIMPLE_OP (td, MINT_STIND_R4);
2345                         td->sp -= 2;
2346                         break;
2347                 case CEE_STIND_R8:
2348                         CHECK_STACK (td, 2);
2349                         BARRIER_IF_VOLATILE (td);
2350                         SIMPLE_OP (td, MINT_STIND_R8);
2351                         td->sp -= 2;
2352                         break;
2353                 case CEE_ADD:
2354                         binary_arith_op(td, MINT_ADD_I4);
2355                         ++td->ip;
2356                         break;
2357                 case CEE_SUB:
2358                         binary_arith_op(td, MINT_SUB_I4);
2359                         ++td->ip;
2360                         break;
2361                 case CEE_MUL:
2362                         binary_arith_op(td, MINT_MUL_I4);
2363                         ++td->ip;
2364                         break;
2365                 case CEE_DIV:
2366                         binary_arith_op(td, MINT_DIV_I4);
2367                         ++td->ip;
2368                         break;
2369                 case CEE_DIV_UN:
2370                         binary_arith_op(td, MINT_DIV_UN_I4);
2371                         ++td->ip;
2372                         break;
2373                 case CEE_REM:
2374                         binary_arith_op (td, MINT_REM_I4);
2375                         ++td->ip;
2376                         break;
2377                 case CEE_REM_UN:
2378                         binary_arith_op (td, MINT_REM_UN_I4);
2379                         ++td->ip;
2380                         break;
2381                 case CEE_AND:
2382                         binary_arith_op (td, MINT_AND_I4);
2383                         ++td->ip;
2384                         break;
2385                 case CEE_OR:
2386                         binary_arith_op (td, MINT_OR_I4);
2387                         ++td->ip;
2388                         break;
2389                 case CEE_XOR:
2390                         binary_arith_op (td, MINT_XOR_I4);
2391                         ++td->ip;
2392                         break;
2393                 case CEE_SHL:
2394                         shift_op (td, MINT_SHL_I4);
2395                         ++td->ip;
2396                         break;
2397                 case CEE_SHR:
2398                         shift_op (td, MINT_SHR_I4);
2399                         ++td->ip;
2400                         break;
2401                 case CEE_SHR_UN:
2402                         shift_op (td, MINT_SHR_UN_I4);
2403                         ++td->ip;
2404                         break;
2405                 case CEE_NEG:
2406                         unary_arith_op (td, MINT_NEG_I4);
2407                         ++td->ip;
2408                         break;
2409                 case CEE_NOT:
2410                         unary_arith_op (td, MINT_NOT_I4);
2411                         ++td->ip;
2412                         break;
2413                 case CEE_CONV_U1:
2414                         CHECK_STACK (td, 1);
2415                         switch (td->sp [-1].type) {
2416                         case STACK_TYPE_R8:
2417                                 ADD_CODE(td, MINT_CONV_U1_R8);
2418                                 break;
2419                         case STACK_TYPE_I4:
2420                                 ADD_CODE(td, MINT_CONV_U1_I4);
2421                                 break;
2422                         case STACK_TYPE_I8:
2423                                 ADD_CODE(td, MINT_CONV_U1_I8);
2424                                 break;
2425                         default:
2426                                 g_assert_not_reached ();
2427                         }
2428                         ++td->ip;
2429                         SET_SIMPLE_TYPE(td->sp - 1, STACK_TYPE_I4);
2430                         break;
2431                 case CEE_CONV_I1:
2432                         CHECK_STACK (td, 1);
2433                         switch (td->sp [-1].type) {
2434                         case STACK_TYPE_R8:
2435                                 ADD_CODE(td, MINT_CONV_I1_R8);
2436                                 break;
2437                         case STACK_TYPE_I4:
2438                                 ADD_CODE(td, MINT_CONV_I1_I4);
2439                                 break;
2440                         case STACK_TYPE_I8:
2441                                 ADD_CODE(td, MINT_CONV_I1_I8);
2442                                 break;
2443                         default:
2444                                 g_assert_not_reached ();
2445                         }
2446                         ++td->ip;
2447                         SET_SIMPLE_TYPE(td->sp - 1, STACK_TYPE_I4);
2448                         break;
2449                 case CEE_CONV_U2:
2450                         CHECK_STACK (td, 1);
2451                         switch (td->sp [-1].type) {
2452                         case STACK_TYPE_R8:
2453                                 ADD_CODE(td, MINT_CONV_U2_R8);
2454                                 break;
2455                         case STACK_TYPE_I4:
2456                                 ADD_CODE(td, MINT_CONV_U2_I4);
2457                                 break;
2458                         case STACK_TYPE_I8:
2459                                 ADD_CODE(td, MINT_CONV_U2_I8);
2460                                 break;
2461                         default:
2462                                 g_assert_not_reached ();
2463                         }
2464                         ++td->ip;
2465                         SET_SIMPLE_TYPE(td->sp - 1, STACK_TYPE_I4);
2466                         break;
2467                 case CEE_CONV_I2:
2468                         CHECK_STACK (td, 1);
2469                         switch (td->sp [-1].type) {
2470                         case STACK_TYPE_R8:
2471                                 ADD_CODE(td, MINT_CONV_I2_R8);
2472                                 break;
2473                         case STACK_TYPE_I4:
2474                                 ADD_CODE(td, MINT_CONV_I2_I4);
2475                                 break;
2476                         case STACK_TYPE_I8:
2477                                 ADD_CODE(td, MINT_CONV_I2_I8);
2478                                 break;
2479                         default:
2480                                 g_assert_not_reached ();
2481                         }
2482                         ++td->ip;
2483                         SET_SIMPLE_TYPE(td->sp - 1, STACK_TYPE_I4);
2484                         break;
2485                 case CEE_CONV_U:
2486                         CHECK_STACK (td, 1);
2487                         switch (td->sp [-1].type) {
2488                         case STACK_TYPE_R8:
2489 #if SIZEOF_VOID_P == 4
2490                                 ADD_CODE(td, MINT_CONV_U4_R8);
2491 #else
2492                                 ADD_CODE(td, MINT_CONV_U8_R8);
2493 #endif
2494                                 break;
2495                         case STACK_TYPE_I4:
2496 #if SIZEOF_VOID_P == 8
2497                                 ADD_CODE(td, MINT_CONV_U8_I4);
2498 #endif
2499                                 break;
2500                         case STACK_TYPE_I8:
2501 #if SIZEOF_VOID_P == 4
2502                                 ADD_CODE(td, MINT_CONV_U4_I8);
2503 #endif
2504                                 break;
2505                         case STACK_TYPE_MP:
2506                                 break;
2507                         default:
2508                                 g_assert_not_reached ();
2509                         }
2510                         ++td->ip;
2511                         SET_SIMPLE_TYPE(td->sp - 1, STACK_TYPE_I);
2512                         break;
2513                 case CEE_CONV_I:
2514                         CHECK_STACK (td, 1);
2515                         switch (td->sp [-1].type) {
2516                         case STACK_TYPE_R8:
2517 #if SIZEOF_VOID_P == 8
2518                                 ADD_CODE(td, MINT_CONV_I8_R8);
2519 #else
2520                                 ADD_CODE(td, MINT_CONV_I4_R8);
2521 #endif
2522                                 break;
2523                         case STACK_TYPE_I4:
2524 #if SIZEOF_VOID_P == 8
2525                                 ADD_CODE(td, MINT_CONV_I8_I4);
2526 #endif
2527                                 break;
2528                         case STACK_TYPE_O:
2529                                 break;
2530                         case STACK_TYPE_MP:
2531                                 break;
2532                         case STACK_TYPE_I8:
2533 #if SIZEOF_VOID_P == 4
2534                                 ADD_CODE(td, MINT_CONV_I4_I8);
2535 #endif
2536                                 break;
2537                         default:
2538                                 g_assert_not_reached ();
2539                         }
2540                         ++td->ip;
2541                         SET_SIMPLE_TYPE(td->sp - 1, STACK_TYPE_I);
2542                         break;
2543                 case CEE_CONV_U4:
2544                         CHECK_STACK (td, 1);
2545                         switch (td->sp [-1].type) {
2546                         case STACK_TYPE_R8:
2547                                 ADD_CODE(td, MINT_CONV_U4_R8);
2548                                 break;
2549                         case STACK_TYPE_I4:
2550                                 break;
2551                         case STACK_TYPE_I8:
2552                                 ADD_CODE(td, MINT_CONV_U4_I8);
2553                                 break;
2554                         case STACK_TYPE_MP:
2555 #if SIZEOF_VOID_P == 8
2556                                 ADD_CODE(td, MINT_CONV_U4_I8);
2557 #endif
2558                                 break;
2559                         default:
2560                                 g_assert_not_reached ();
2561                         }
2562                         ++td->ip;
2563                         SET_SIMPLE_TYPE(td->sp - 1, STACK_TYPE_I4);
2564                         break;
2565                 case CEE_CONV_I4:
2566                         CHECK_STACK (td, 1);
2567                         switch (td->sp [-1].type) {
2568                         case STACK_TYPE_R8:
2569                                 ADD_CODE(td, MINT_CONV_I4_R8);
2570                                 break;
2571                         case STACK_TYPE_I4:
2572                                 break;
2573                         case STACK_TYPE_I8:
2574                                 ADD_CODE(td, MINT_CONV_I4_I8);
2575                                 break;
2576                         case STACK_TYPE_MP:
2577 #if SIZEOF_VOID_P == 8
2578                                 ADD_CODE(td, MINT_CONV_I4_I8);
2579 #endif
2580                                 break;
2581                         default:
2582                                 g_assert_not_reached ();
2583                         }
2584                         ++td->ip;
2585                         SET_SIMPLE_TYPE(td->sp - 1, STACK_TYPE_I4);
2586                         break;
2587                 case CEE_CONV_I8:
2588                         CHECK_STACK (td, 1);
2589                         switch (td->sp [-1].type) {
2590                         case STACK_TYPE_R8:
2591                                 ADD_CODE(td, MINT_CONV_I8_R8);
2592                                 break;
2593                         case STACK_TYPE_I4:
2594                                 ADD_CODE(td, MINT_CONV_I8_I4);
2595                                 break;
2596                         case STACK_TYPE_I8:
2597                                 break;
2598                         case STACK_TYPE_MP:
2599 #if SIZEOF_VOID_P == 4
2600                                 ADD_CODE(td, MINT_CONV_I8_I4);
2601 #endif
2602                                 break;
2603                         default:
2604                                 g_assert_not_reached ();
2605                         }
2606                         ++td->ip;
2607                         SET_SIMPLE_TYPE(td->sp - 1, STACK_TYPE_I8);
2608                         break;
2609                 case CEE_CONV_R4:
2610                         CHECK_STACK (td, 1);
2611                         switch (td->sp [-1].type) {
2612                         case STACK_TYPE_R8:
2613                                 ADD_CODE(td, MINT_CONV_R4_R8);
2614                                 break;
2615                         case STACK_TYPE_I8:
2616                                 ADD_CODE(td, MINT_CONV_R4_I8);
2617                                 break;
2618                         case STACK_TYPE_I4:
2619                                 ADD_CODE(td, MINT_CONV_R4_I4);
2620                                 break;
2621                         default:
2622                                 g_assert_not_reached ();
2623                         }
2624                         ++td->ip;
2625                         SET_SIMPLE_TYPE(td->sp - 1, STACK_TYPE_R8);
2626                         break;
2627                 case CEE_CONV_R8:
2628                         CHECK_STACK (td, 1);
2629                         switch (td->sp [-1].type) {
2630                         case STACK_TYPE_I4:
2631                                 ADD_CODE(td, MINT_CONV_R8_I4);
2632                                 break;
2633                         case STACK_TYPE_I8:
2634                                 ADD_CODE(td, MINT_CONV_R8_I8);
2635                                 break;
2636                         case STACK_TYPE_R8:
2637                                 break;
2638                         default:
2639                                 g_assert_not_reached ();
2640                         }
2641                         ++td->ip;
2642                         SET_SIMPLE_TYPE(td->sp - 1, STACK_TYPE_R8);
2643                         break;
2644                 case CEE_CONV_U8:
2645                         CHECK_STACK (td, 1);
2646                         switch (td->sp [-1].type) {
2647                         case STACK_TYPE_I4:
2648                                 ADD_CODE(td, MINT_CONV_U8_I4);
2649                                 break;
2650                         case STACK_TYPE_I8:
2651                                 break;
2652                         case STACK_TYPE_R8:
2653                                 ADD_CODE(td, MINT_CONV_U8_R8);
2654                                 break;
2655                         case STACK_TYPE_MP:
2656 #if SIZEOF_VOID_P == 4
2657                                 ADD_CODE(td, MINT_CONV_U8_I4);
2658 #endif
2659                                 break;
2660                         default:
2661                                 g_assert_not_reached ();
2662                         }
2663                         ++td->ip;
2664                         SET_SIMPLE_TYPE(td->sp - 1, STACK_TYPE_I8);
2665                         break;
2666                 case CEE_CPOBJ: {
2667                         CHECK_STACK (td, 2);
2668
2669                         token = read32 (td->ip + 1);
2670                         klass = mono_class_get_full (image, token, generic_context);
2671
2672                         if (klass->valuetype) {
2673                                 ADD_CODE (td, MINT_CPOBJ);
2674                                 ADD_CODE (td, get_data_item_index(td, klass));
2675                         } else {
2676                                 ADD_CODE (td, MINT_LDIND_REF);
2677                                 ADD_CODE (td, MINT_STIND_REF);
2678                         }
2679                         td->ip += 5;
2680                         td->sp -= 2;
2681                         break;
2682                 }
2683                 case CEE_LDOBJ: {
2684                         int size;
2685                         CHECK_STACK (td, 1);
2686
2687                         token = read32 (td->ip + 1);
2688
2689                         if (method->wrapper_type != MONO_WRAPPER_NONE)
2690                                 klass = (MonoClass *)mono_method_get_wrapper_data (method, token);
2691                         else
2692                                 klass = mono_class_get_full (image, token, generic_context);
2693
2694                         ADD_CODE(td, MINT_LDOBJ);
2695                         ADD_CODE(td, get_data_item_index(td, klass));
2696                         if (mint_type (&klass->byval_arg) == MINT_TYPE_VT) {
2697                                 size = mono_class_value_size (klass, NULL);
2698                                 PUSH_VT(td, size);
2699                         }
2700                         td->ip += 5;
2701                         SET_TYPE(td->sp - 1, stack_type[mint_type(&klass->byval_arg)], klass);
2702                         BARRIER_IF_VOLATILE (td);
2703                         break;
2704                 }
2705                 case CEE_LDSTR: {
2706                         MonoString *s;
2707                         token = mono_metadata_token_index (read32 (td->ip + 1));
2708                         td->ip += 5;
2709                         if (method->wrapper_type == MONO_WRAPPER_DYNAMIC_METHOD) {
2710                                 s = mono_method_get_wrapper_data (method, token);
2711                         } else if (method->wrapper_type != MONO_WRAPPER_NONE) {
2712                                 s = mono_string_new_wrapper (mono_method_get_wrapper_data (method, token));
2713                         } else {
2714                                 s = mono_ldstr (domain, image, token);
2715                         }
2716                         ADD_CODE(td, MINT_LDSTR);
2717                         ADD_CODE(td, get_data_item_index (td, s));
2718                         PUSH_TYPE(td, STACK_TYPE_O, mono_defaults.string_class);
2719                         break;
2720                 }
2721                 case CEE_NEWOBJ: {
2722                         MonoMethod *m;
2723                         MonoMethodSignature *csignature;
2724                         guint32 vt_stack_used = 0;
2725                         guint32 vt_res_size = 0;
2726
2727                         td->ip++;
2728                         token = read32 (td->ip);
2729                         td->ip += 4;
2730
2731                         if (method->wrapper_type != MONO_WRAPPER_NONE)
2732                                 m = (MonoMethod *)mono_method_get_wrapper_data (method, token);
2733                         else
2734                                 m = mono_get_method_full (image, token, NULL, generic_context);
2735
2736                         csignature = mono_method_signature (m);
2737                         klass = m->klass;
2738
2739                         td->sp -= csignature->param_count;
2740                         if (mono_class_is_magic_int (klass) || mono_class_is_magic_float (klass)) {
2741                                 ADD_CODE (td, MINT_NEWOBJ_MAGIC);
2742                                 ADD_CODE (td, get_data_item_index (td, mono_interp_get_imethod (domain, m, &error)));
2743                                 PUSH_TYPE (td, stack_type [mint_type (&klass->byval_arg)], klass);
2744                         } else {
2745                                 ADD_CODE(td, MINT_NEWOBJ);
2746                                 ADD_CODE(td, get_data_item_index (td, mono_interp_get_imethod (domain, m, &error)));
2747                                 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
2748
2749                                 if (mint_type (&klass->byval_arg) == MINT_TYPE_VT) {
2750                                         vt_res_size = mono_class_value_size (klass, NULL);
2751                                         PUSH_VT (td, vt_res_size);
2752                                 }
2753                                 for (i = 0; i < csignature->param_count; ++i) {
2754                                         int mt = mint_type(csignature->params [i]);
2755                                         if (mt == MINT_TYPE_VT) {
2756                                                 MonoClass *k = mono_class_from_mono_type (csignature->params [i]);
2757                                                 gint32 size = mono_class_value_size (k, NULL);
2758                                                 size = (size + 7) & ~7;
2759                                                 vt_stack_used += size;
2760                                         }
2761                                 }
2762                                 if (vt_stack_used != 0 || vt_res_size != 0) {
2763                                         ADD_CODE(td, MINT_VTRESULT);
2764                                         ADD_CODE(td, vt_res_size);
2765                                         WRITE32(td, &vt_stack_used);
2766                                         td->vt_sp -= vt_stack_used;
2767                                 }
2768                                 PUSH_TYPE (td, stack_type [mint_type (&klass->byval_arg)], klass);
2769                         }
2770                         break;
2771                 }
2772                 case CEE_CASTCLASS:
2773                         CHECK_STACK (td, 1);
2774                         token = read32 (td->ip + 1);
2775                         klass = mini_get_class (method, token, generic_context);
2776                         ADD_CODE(td, MINT_CASTCLASS);
2777                         ADD_CODE(td, get_data_item_index (td, klass));
2778                         td->sp [-1].klass = klass;
2779                         td->ip += 5;
2780                         break;
2781                 case CEE_ISINST:
2782                         CHECK_STACK (td, 1);
2783                         token = read32 (td->ip + 1);
2784                         klass = mini_get_class (method, token, generic_context);
2785                         ADD_CODE(td, MINT_ISINST);
2786                         ADD_CODE(td, get_data_item_index (td, klass));
2787                         td->ip += 5;
2788                         break;
2789                 case CEE_CONV_R_UN:
2790                         switch (td->sp [-1].type) {
2791                         case STACK_TYPE_R8:
2792                                 break;
2793                         case STACK_TYPE_I8:
2794                                 ADD_CODE(td, MINT_CONV_R_UN_I8);
2795                                 break;
2796                         case STACK_TYPE_I4:
2797                                 ADD_CODE(td, MINT_CONV_R_UN_I4);
2798                                 break;
2799                         default:
2800                                 g_assert_not_reached ();
2801                         }
2802                         SET_SIMPLE_TYPE(td->sp - 1, STACK_TYPE_R8);
2803                         ++td->ip;
2804                         break;
2805                 case CEE_UNBOX:
2806                         CHECK_STACK (td, 1);
2807                         token = read32 (td->ip + 1);
2808
2809                         if (method->wrapper_type != MONO_WRAPPER_NONE)
2810                                 klass = (MonoClass *)mono_method_get_wrapper_data (method, token);
2811                         else
2812                                 klass = mono_class_get_full (image, token, generic_context);
2813
2814                         if (mono_class_is_nullable (klass)) {
2815                                 g_error ("cee_unbox: implement Nullable");
2816                         }
2817
2818                         ADD_CODE(td, MINT_UNBOX);
2819                         ADD_CODE(td, get_data_item_index (td, klass));
2820                         SET_SIMPLE_TYPE(td->sp - 1, STACK_TYPE_MP);
2821                         td->ip += 5;
2822                         break;
2823                 case CEE_UNBOX_ANY:
2824                         CHECK_STACK (td, 1);
2825                         token = read32 (td->ip + 1);
2826
2827                         klass = mini_get_class (method, token, generic_context);
2828
2829                         if (mini_type_is_reference (&klass->byval_arg)) {
2830                                 int mt = mint_type (&klass->byval_arg);
2831                                 ADD_CODE (td, MINT_CASTCLASS);
2832                                 ADD_CODE (td, get_data_item_index (td, klass));
2833                                 SET_TYPE (td->sp - 1, stack_type [mt], klass);
2834                                 td->ip += 5;
2835                         } else if (mono_class_is_nullable (klass)) {
2836                                 MonoMethod *target_method = mono_class_get_method_from_name (klass, "Unbox", 1);
2837                                 /* td->ip is incremented by interp_transform_call */
2838                                 interp_transform_call (td, method, target_method, domain, generic_context, is_bb_start, body_start_offset, NULL, FALSE);
2839                         } else {
2840                                 int mt = mint_type (&klass->byval_arg);
2841                                 ADD_CODE (td, MINT_UNBOX);
2842                                 ADD_CODE (td, get_data_item_index (td, klass));
2843
2844                                 ADD_CODE (td, MINT_LDOBJ);
2845                                 ADD_CODE (td, get_data_item_index(td, klass));
2846                                 SET_TYPE (td->sp - 1, stack_type [mt], klass);
2847
2848                                 if (mt == MINT_TYPE_VT) {
2849                                         int size = mono_class_value_size (klass, NULL);
2850                                         PUSH_VT (td, size);
2851                                 }
2852                                 td->ip += 5;
2853                         }
2854
2855                         break;
2856                 case CEE_THROW:
2857                         CHECK_STACK (td, 1);
2858                         SIMPLE_OP (td, MINT_THROW);
2859                         --td->sp;
2860                         generating_code = 0;
2861                         break;
2862                 case CEE_LDFLDA:
2863                         CHECK_STACK (td, 1);
2864                         token = read32 (td->ip + 1);
2865                         field = interp_field_from_token (method, token, &klass, generic_context);
2866                         gboolean is_static = !!(field->type->attrs & FIELD_ATTRIBUTE_STATIC);
2867                         mono_class_init (klass);
2868                         if (is_static) {
2869                                 ADD_CODE (td, MINT_POP);
2870                                 ADD_CODE (td, 0);
2871                                 ADD_CODE (td, MINT_LDSFLDA);
2872                                 ADD_CODE (td, get_data_item_index (td, field));
2873                         } else {
2874                                 if ((td->sp - 1)->type == STACK_TYPE_O) {
2875                                         ADD_CODE (td, MINT_LDFLDA);
2876                                 } else {
2877                                         g_assert ((td->sp -1)->type == STACK_TYPE_MP);
2878                                         ADD_CODE (td, MINT_LDFLDA_UNSAFE);
2879                                 }
2880                                 ADD_CODE (td, klass->valuetype ? field->offset - sizeof (MonoObject) : field->offset);
2881                         }
2882                         td->ip += 5;
2883                         SET_SIMPLE_TYPE(td->sp - 1, STACK_TYPE_MP);
2884                         break;
2885                 case CEE_LDFLD: {
2886                         CHECK_STACK (td, 1);
2887                         token = read32 (td->ip + 1);
2888                         field = interp_field_from_token (method, token, &klass, generic_context);
2889                         gboolean is_static = !!(field->type->attrs & FIELD_ATTRIBUTE_STATIC);
2890                         mono_class_init (klass);
2891
2892                         MonoClass *field_klass = mono_class_from_mono_type (field->type);
2893                         mt = mint_type (&field_klass->byval_arg);
2894 #ifndef DISABLE_REMOTING
2895                         if (klass->marshalbyref) {
2896                                 g_assert (!is_static);
2897                                 ADD_CODE(td, mt == MINT_TYPE_VT ? MINT_LDRMFLD_VT :  MINT_LDRMFLD);
2898                                 ADD_CODE(td, get_data_item_index (td, field));
2899                         } else
2900 #endif
2901                         {
2902                                 if (is_static) {
2903                                         ADD_CODE (td, MINT_POP);
2904                                         ADD_CODE (td, 0);
2905                                         ADD_CODE (td, mt == MINT_TYPE_VT ? MINT_LDSFLD_VT : MINT_LDSFLD);
2906                                         ADD_CODE (td, get_data_item_index (td, field));
2907                                 } else {
2908                                         ADD_CODE (td, MINT_LDFLD_I1 + mt - MINT_TYPE_I1);
2909                                         ADD_CODE (td, klass->valuetype ? field->offset - sizeof(MonoObject) : field->offset);
2910                                 }
2911                         }
2912                         if (mt == MINT_TYPE_VT) {
2913                                 int size = mono_class_value_size (field_klass, NULL);
2914                                 PUSH_VT(td, size);
2915                                 WRITE32(td, &size);
2916                         }
2917                         if (td->sp [-1].type == STACK_TYPE_VT) {
2918                                 int size = mono_class_value_size (klass, NULL);
2919                                 size = (size + 7) & ~7;
2920                                 td->vt_sp -= size;
2921                                 ADD_CODE (td, MINT_VTRESULT);
2922                                 ADD_CODE (td, 0);
2923                                 WRITE32 (td, &size);
2924                         }
2925                         td->ip += 5;
2926                         SET_TYPE(td->sp - 1, stack_type [mt], field_klass);
2927                         BARRIER_IF_VOLATILE (td);
2928                         break;
2929                 }
2930                 case CEE_STFLD: {
2931                         CHECK_STACK (td, 2);
2932                         token = read32 (td->ip + 1);
2933                         field = interp_field_from_token (method, token, &klass, generic_context);
2934                         gboolean is_static = !!(field->type->attrs & FIELD_ATTRIBUTE_STATIC);
2935                         mono_class_init (klass);
2936                         mt = mint_type(field->type);
2937
2938                         BARRIER_IF_VOLATILE (td);
2939
2940 #ifndef DISABLE_REMOTING
2941                         if (klass->marshalbyref) {
2942                                 g_assert (!is_static);
2943                                 ADD_CODE(td, mt == MINT_TYPE_VT ? MINT_STRMFLD_VT : MINT_STRMFLD);
2944                                 ADD_CODE(td, get_data_item_index (td, field));
2945                         } else
2946 #endif
2947                         {
2948                                 if (is_static) {
2949                                         ADD_CODE (td, MINT_POP);
2950                                         ADD_CODE (td, 1);
2951                                         ADD_CODE (td, mt == MINT_TYPE_VT ? MINT_STSFLD_VT : MINT_STSFLD);
2952                                         ADD_CODE (td, get_data_item_index (td, field));
2953                                 } else {
2954                                         ADD_CODE (td, MINT_STFLD_I1 + mt - MINT_TYPE_I1);
2955                                         ADD_CODE (td, klass->valuetype ? field->offset - sizeof(MonoObject) : field->offset);
2956                                 }
2957                         }
2958                         if (mt == MINT_TYPE_VT) {
2959                                 MonoClass *klass = mono_class_from_mono_type (field->type);
2960                                 int size = mono_class_value_size (klass, NULL);
2961                                 POP_VT(td, size);
2962                                 WRITE32(td, &size);
2963                         }
2964                         td->ip += 5;
2965                         td->sp -= 2;
2966                         break;
2967                 }
2968                 case CEE_LDSFLDA:
2969                         token = read32 (td->ip + 1);
2970                         field = interp_field_from_token (method, token, &klass, generic_context);
2971                         ADD_CODE(td, MINT_LDSFLDA);
2972                         ADD_CODE(td, get_data_item_index (td, field));
2973                         td->ip += 5;
2974                         PUSH_SIMPLE_TYPE(td, STACK_TYPE_MP);
2975                         break;
2976                 case CEE_LDSFLD:
2977                         token = read32 (td->ip + 1);
2978                         field = interp_field_from_token (method, token, &klass, generic_context);
2979                         mt = mint_type(field->type);
2980                         ADD_CODE(td, mt == MINT_TYPE_VT ? MINT_LDSFLD_VT : MINT_LDSFLD);
2981                         ADD_CODE(td, get_data_item_index (td, field));
2982                         klass = NULL;
2983                         if (mt == MINT_TYPE_VT) {
2984                                 MonoClass *klass = mono_class_from_mono_type (field->type);
2985                                 int size = mono_class_value_size (klass, NULL);
2986                                 PUSH_VT(td, size);
2987                                 WRITE32(td, &size);
2988                                 klass = field->type->data.klass;
2989                         } else {
2990                                 if (mt == MINT_TYPE_O)
2991                                         klass = mono_class_from_mono_type (field->type);
2992                         }
2993                         td->ip += 5;
2994                         PUSH_TYPE(td, stack_type [mt], klass);
2995                         break;
2996                 case CEE_STSFLD:
2997                         CHECK_STACK (td, 1);
2998                         token = read32 (td->ip + 1);
2999                         field = interp_field_from_token (method, token, &klass, generic_context);
3000                         mt = mint_type(field->type);
3001                         ADD_CODE(td, mt == MINT_TYPE_VT ? MINT_STSFLD_VT : MINT_STSFLD);
3002                         ADD_CODE(td, get_data_item_index (td, field));
3003                         if (mt == MINT_TYPE_VT) {
3004                                 MonoClass *klass = mono_class_from_mono_type (field->type);
3005                                 int size = mono_class_value_size (klass, NULL);
3006                                 POP_VT (td, size);
3007                                 WRITE32 (td, &size);
3008                         }
3009                         td->ip += 5;
3010                         --td->sp;
3011                         break;
3012                 case CEE_STOBJ: {
3013                         int size;
3014                         token = read32 (td->ip + 1);
3015
3016                         if (method->wrapper_type != MONO_WRAPPER_NONE)
3017                                 klass = (MonoClass *)mono_method_get_wrapper_data (method, token);
3018                         else
3019                                 klass = mini_get_class (method, token, generic_context);
3020
3021                         BARRIER_IF_VOLATILE (td);
3022                         ADD_CODE(td, td->sp [-1].type == STACK_TYPE_VT ? MINT_STOBJ_VT : MINT_STOBJ);
3023                         ADD_CODE(td, get_data_item_index (td, klass));
3024                         if (td->sp [-1].type == STACK_TYPE_VT) {
3025                                 size = mono_class_value_size (klass, NULL);
3026                                 size = (size + 7) & ~7;
3027                                 td->vt_sp -= size;
3028                         }
3029                         td->ip += 5;
3030                         td->sp -= 2;
3031                         break;
3032                 }
3033                 case CEE_CONV_OVF_I_UN:
3034                 case CEE_CONV_OVF_U_UN:
3035                         CHECK_STACK (td, 1);
3036                         switch (td->sp [-1].type) {
3037                         case STACK_TYPE_R8:
3038 #if SIZEOF_VOID_P == 8
3039                                 ADD_CODE(td, MINT_CONV_OVF_I8_UN_R8);
3040 #else
3041                                 ADD_CODE(td, MINT_CONV_OVF_I4_UN_R8);
3042 #endif
3043                                 break;
3044                         case STACK_TYPE_I8:
3045 #if SIZEOF_VOID_P == 4
3046                                 ADD_CODE (td, MINT_CONV_OVF_I4_UN_I8);
3047 #endif
3048                                 break;
3049                         case STACK_TYPE_I4:
3050 #if SIZEOF_VOID_P == 8
3051                                 ADD_CODE(td, MINT_CONV_I8_U4);
3052 #elif SIZEOF_VOID_P == 4
3053                                 if (*td->ip == CEE_CONV_OVF_I_UN)
3054                                         ADD_CODE(td, MINT_CONV_OVF_I4_U4);
3055 #endif
3056                                 break;
3057                         default:
3058                                 g_assert_not_reached ();
3059                                 break;
3060                         }
3061                         SET_SIMPLE_TYPE(td->sp - 1, STACK_TYPE_I8);
3062                         ++td->ip;
3063                         break;
3064                 case CEE_CONV_OVF_I8_UN:
3065                 case CEE_CONV_OVF_U8_UN:
3066                         CHECK_STACK (td, 1);
3067                         switch (td->sp [-1].type) {
3068                         case STACK_TYPE_R8:
3069                                 ADD_CODE(td, MINT_CONV_OVF_I8_UN_R8);
3070                                 break;
3071                         case STACK_TYPE_I8:
3072                                 if (*td->ip == CEE_CONV_OVF_I8_UN)
3073                                         ADD_CODE (td, MINT_CONV_OVF_I8_U8);
3074                                 break;
3075                         case STACK_TYPE_I4:
3076                                 ADD_CODE(td, MINT_CONV_I8_U4);
3077                                 break;
3078                         default:
3079                                 g_assert_not_reached ();
3080                                 break;
3081                         }
3082                         SET_SIMPLE_TYPE(td->sp - 1, STACK_TYPE_I8);
3083                         ++td->ip;
3084                         break;
3085                 case CEE_BOX: {
3086                         int size;
3087                         CHECK_STACK (td, 1);
3088                         token = read32 (td->ip + 1);
3089                         if (method->wrapper_type != MONO_WRAPPER_NONE)
3090                                 klass = (MonoClass *)mono_method_get_wrapper_data (method, token);
3091                         else
3092                                 klass = mini_get_class (method, token, generic_context);
3093
3094                         if (mono_class_is_nullable (klass)) {
3095                                 MonoMethod *target_method = mono_class_get_method_from_name (klass, "Box", 1);
3096                                 /* td->ip is incremented by interp_transform_call */
3097                                 interp_transform_call (td, method, target_method, domain, generic_context, is_bb_start, body_start_offset, NULL, FALSE);
3098                         } else if (!klass->valuetype) {
3099                                 /* already boxed, do nothing. */
3100                                 td->ip += 5;
3101                         } else {
3102                                 if (mint_type (&klass->byval_arg) == MINT_TYPE_VT && !klass->enumtype) {
3103                                         size = mono_class_value_size (klass, NULL);
3104                                         size = (size + 7) & ~7;
3105                                         td->vt_sp -= size;
3106                                 }
3107                                 ADD_CODE(td, MINT_BOX);
3108                                 ADD_CODE(td, get_data_item_index (td, klass));
3109                                 ADD_CODE (td, 0);
3110                                 SET_TYPE(td->sp - 1, STACK_TYPE_O, klass);
3111                                 td->ip += 5;
3112                         }
3113
3114                         break;
3115                 }
3116                 case CEE_NEWARR: {
3117                         CHECK_STACK (td, 1);
3118                         token = read32 (td->ip + 1);
3119
3120                         if (method->wrapper_type != MONO_WRAPPER_NONE)
3121                                 klass = (MonoClass *)mono_method_get_wrapper_data (method, token);
3122                         else
3123                                 klass = mini_get_class (method, token, generic_context);
3124
3125                         unsigned char lentype = (td->sp - 1)->type;
3126                         if (lentype == STACK_TYPE_I8) {
3127                                 /* mimic mini behaviour */
3128                                 ADD_CODE (td, MINT_CONV_OVF_U4_I8);
3129                         } else {
3130                                 g_assert (lentype == STACK_TYPE_I4);
3131                                 ADD_CODE (td, MINT_CONV_OVF_U4_I4);
3132                         }
3133                         SET_SIMPLE_TYPE (td->sp - 1, STACK_TYPE_I4);
3134                         ADD_CODE (td, MINT_NEWARR);
3135                         ADD_CODE (td, get_data_item_index (td, klass));
3136                         SET_TYPE (td->sp - 1, STACK_TYPE_O, klass);
3137                         td->ip += 5;
3138                         break;
3139                 }
3140                 case CEE_LDLEN:
3141                         CHECK_STACK (td, 1);
3142                         SIMPLE_OP (td, MINT_LDLEN);
3143                         SET_SIMPLE_TYPE(td->sp - 1, STACK_TYPE_I);
3144                         break;
3145                 case CEE_LDELEMA:
3146                         CHECK_STACK (td, 2);
3147                         ENSURE_I4 (td, 1);
3148                         token = read32 (td->ip + 1);
3149
3150                         if (method->wrapper_type != MONO_WRAPPER_NONE)
3151                                 klass = (MonoClass *) mono_method_get_wrapper_data (method, token);
3152                         else
3153                                 klass = mini_get_class (method, token, generic_context);
3154
3155                         if (!klass->valuetype && method->wrapper_type == MONO_WRAPPER_NONE && !readonly) {
3156                                 ADD_CODE (td, MINT_LDELEMA_TC);
3157                         } else {
3158                                 ADD_CODE (td, MINT_LDELEMA);
3159                         }
3160                         ADD_CODE (td, get_data_item_index (td, klass));
3161                         /* according to spec, ldelema bytecode is only used for 1-dim arrays */
3162                         ADD_CODE (td, 2);
3163                         readonly = FALSE;
3164
3165                         td->ip += 5;
3166                         --td->sp;
3167                         SET_SIMPLE_TYPE(td->sp - 1, STACK_TYPE_MP);
3168                         break;
3169                 case CEE_LDELEM_I1:
3170                         CHECK_STACK (td, 2);
3171                         ENSURE_I4 (td, 1);
3172                         SIMPLE_OP (td, MINT_LDELEM_I1);
3173                         --td->sp;
3174                         SET_SIMPLE_TYPE(td->sp - 1, STACK_TYPE_I4);
3175                         break;
3176                 case CEE_LDELEM_U1:
3177                         CHECK_STACK (td, 2);
3178                         ENSURE_I4 (td, 1);
3179                         SIMPLE_OP (td, MINT_LDELEM_U1);
3180                         --td->sp;
3181                         SET_SIMPLE_TYPE(td->sp - 1, STACK_TYPE_I4);
3182                         break;
3183                 case CEE_LDELEM_I2:
3184                         CHECK_STACK (td, 2);
3185                         ENSURE_I4 (td, 1);
3186                         SIMPLE_OP (td, MINT_LDELEM_I2);
3187                         --td->sp;
3188                         SET_SIMPLE_TYPE(td->sp - 1, STACK_TYPE_I4);
3189                         break;
3190                 case CEE_LDELEM_U2:
3191                         CHECK_STACK (td, 2);
3192                         ENSURE_I4 (td, 1);
3193                         SIMPLE_OP (td, MINT_LDELEM_U2);
3194                         --td->sp;
3195                         SET_SIMPLE_TYPE(td->sp - 1, STACK_TYPE_I4);
3196                         break;
3197                 case CEE_LDELEM_I4:
3198                         CHECK_STACK (td, 2);
3199                         ENSURE_I4 (td, 1);
3200                         SIMPLE_OP (td, MINT_LDELEM_I4);
3201                         --td->sp;
3202                         SET_SIMPLE_TYPE(td->sp - 1, STACK_TYPE_I4);
3203                         break;
3204                 case CEE_LDELEM_U4:
3205                         CHECK_STACK (td, 2);
3206                         ENSURE_I4 (td, 1);
3207                         SIMPLE_OP (td, MINT_LDELEM_U4);
3208                         --td->sp;
3209                         SET_SIMPLE_TYPE(td->sp - 1, STACK_TYPE_I4);
3210                         break;
3211                 case CEE_LDELEM_I8:
3212                         CHECK_STACK (td, 2);
3213                         ENSURE_I4 (td, 1);
3214                         SIMPLE_OP (td, MINT_LDELEM_I8);
3215                         --td->sp;
3216                         SET_SIMPLE_TYPE(td->sp - 1, STACK_TYPE_I8);
3217                         break;
3218                 case CEE_LDELEM_I:
3219                         CHECK_STACK (td, 2);
3220                         ENSURE_I4 (td, 1);
3221                         SIMPLE_OP (td, MINT_LDELEM_I);
3222                         --td->sp;
3223                         SET_SIMPLE_TYPE(td->sp - 1, STACK_TYPE_I);
3224                         break;
3225                 case CEE_LDELEM_R4:
3226                         CHECK_STACK (td, 2);
3227                         ENSURE_I4 (td, 1);
3228                         SIMPLE_OP (td, MINT_LDELEM_R4);
3229                         --td->sp;
3230                         SET_SIMPLE_TYPE(td->sp - 1, STACK_TYPE_R8);
3231                         break;
3232                 case CEE_LDELEM_R8:
3233                         CHECK_STACK (td, 2);
3234                         ENSURE_I4 (td, 1);
3235                         SIMPLE_OP (td, MINT_LDELEM_R8);
3236                         --td->sp;
3237                         SET_SIMPLE_TYPE(td->sp - 1, STACK_TYPE_R8);
3238                         break;
3239                 case CEE_LDELEM_REF:
3240                         CHECK_STACK (td, 2);
3241                         ENSURE_I4 (td, 1);
3242                         SIMPLE_OP (td, MINT_LDELEM_REF);
3243                         --td->sp;
3244                         SET_SIMPLE_TYPE(td->sp - 1, STACK_TYPE_O);
3245                         break;
3246                 case CEE_LDELEM:
3247                         CHECK_STACK (td, 2);
3248                         token = read32 (td->ip + 1);
3249                         klass = mini_get_class (method, token, generic_context);
3250                         switch (mint_type (&klass->byval_arg)) {
3251                                 case MINT_TYPE_I1:
3252                                         ENSURE_I4 (td, 1);
3253                                         SIMPLE_OP (td, MINT_LDELEM_I1);
3254                                         --td->sp;
3255                                         SET_SIMPLE_TYPE(td->sp - 1, STACK_TYPE_I4);
3256                                         break;
3257                                 case MINT_TYPE_U1:
3258                                         ENSURE_I4 (td, 1);
3259                                         SIMPLE_OP (td, MINT_LDELEM_U1);
3260                                         --td->sp;
3261                                         SET_SIMPLE_TYPE(td->sp - 1, STACK_TYPE_I4);
3262                                         break;
3263                                 case MINT_TYPE_U2:
3264                                         ENSURE_I4 (td, 1);
3265                                         SIMPLE_OP (td, MINT_LDELEM_U2);
3266                                         --td->sp;
3267                                         SET_SIMPLE_TYPE(td->sp - 1, STACK_TYPE_I4);
3268                                         break;
3269                                 case MINT_TYPE_I2:
3270                                         ENSURE_I4 (td, 1);
3271                                         SIMPLE_OP (td, MINT_LDELEM_I2);
3272                                         --td->sp;
3273                                         SET_SIMPLE_TYPE(td->sp - 1, STACK_TYPE_I4);
3274                                         break;
3275                                 case MINT_TYPE_I4:
3276                                         ENSURE_I4 (td, 1);
3277                                         SIMPLE_OP (td, MINT_LDELEM_I4);
3278                                         --td->sp;
3279                                         SET_SIMPLE_TYPE(td->sp - 1, STACK_TYPE_I4);
3280                                         break;
3281                                 case MINT_TYPE_I8:
3282                                         ENSURE_I4 (td, 1);
3283                                         SIMPLE_OP (td, MINT_LDELEM_I8);
3284                                         --td->sp;
3285                                         SET_SIMPLE_TYPE(td->sp - 1, STACK_TYPE_I8);
3286                                         break;
3287                                 case MINT_TYPE_R4:
3288                                         ENSURE_I4 (td, 1);
3289                                         SIMPLE_OP (td, MINT_LDELEM_R4);
3290                                         --td->sp;
3291                                         SET_SIMPLE_TYPE(td->sp - 1, STACK_TYPE_R8);
3292                                         break;
3293                                 case MINT_TYPE_R8:
3294                                         ENSURE_I4 (td, 1);
3295                                         SIMPLE_OP (td, MINT_LDELEM_R8);
3296                                         --td->sp;
3297                                         SET_SIMPLE_TYPE(td->sp - 1, STACK_TYPE_R8);
3298                                         break;
3299                                 case MINT_TYPE_O:
3300                                         ENSURE_I4 (td, 1);
3301                                         SIMPLE_OP (td, MINT_LDELEM_REF);
3302                                         --td->sp;
3303                                         SET_SIMPLE_TYPE(td->sp - 1, STACK_TYPE_O);
3304                                         break;
3305                                 case MINT_TYPE_VT: {
3306                                         int size = mono_class_value_size (klass, NULL);
3307                                         ENSURE_I4 (td, 1);
3308                                         SIMPLE_OP (td, MINT_LDELEM_VT);
3309                                         ADD_CODE (td, get_data_item_index (td, klass));
3310                                         WRITE32 (td, &size);
3311                                         --td->sp;
3312                                         SET_SIMPLE_TYPE(td->sp - 1, STACK_TYPE_VT);
3313                                         PUSH_VT (td, size);
3314                                         break;
3315                                 }
3316                                 default: {
3317                                         GString *res = g_string_new ("");
3318                                         mono_type_get_desc (res, &klass->byval_arg, TRUE);
3319                                         g_print ("LDELEM: %s -> %d (%s)\n", klass->name, mint_type (&klass->byval_arg), res->str);
3320                                         g_string_free (res, TRUE);
3321                                         g_assert (0);
3322                                         break;
3323                                 }
3324                         }
3325                         td->ip += 4;
3326                         break;
3327                 case CEE_STELEM_I:
3328                         CHECK_STACK (td, 3);
3329                         ENSURE_I4 (td, 2);
3330                         SIMPLE_OP (td, MINT_STELEM_I);
3331                         td->sp -= 3;
3332                         break;
3333                 case CEE_STELEM_I1:
3334                         CHECK_STACK (td, 3);
3335                         ENSURE_I4 (td, 2);
3336                         SIMPLE_OP (td, MINT_STELEM_I1);
3337                         td->sp -= 3;
3338                         break;
3339                 case CEE_STELEM_I2:
3340                         CHECK_STACK (td, 3);
3341                         ENSURE_I4 (td, 2);
3342                         SIMPLE_OP (td, MINT_STELEM_I2);
3343                         td->sp -= 3;
3344                         break;
3345                 case CEE_STELEM_I4:
3346                         CHECK_STACK (td, 3);
3347                         ENSURE_I4 (td, 2);
3348                         SIMPLE_OP (td, MINT_STELEM_I4);
3349                         td->sp -= 3;
3350                         break;
3351                 case CEE_STELEM_I8:
3352                         CHECK_STACK (td, 3);
3353                         ENSURE_I4 (td, 2);
3354                         SIMPLE_OP (td, MINT_STELEM_I8);
3355                         td->sp -= 3;
3356                         break;
3357                 case CEE_STELEM_R4:
3358                         CHECK_STACK (td, 3);
3359                         ENSURE_I4 (td, 2);
3360                         SIMPLE_OP (td, MINT_STELEM_R4);
3361                         td->sp -= 3;
3362                         break;
3363                 case CEE_STELEM_R8:
3364                         CHECK_STACK (td, 3);
3365                         ENSURE_I4 (td, 2);
3366                         SIMPLE_OP (td, MINT_STELEM_R8);
3367                         td->sp -= 3;
3368                         break;
3369                 case CEE_STELEM_REF:
3370                         CHECK_STACK (td, 3);
3371                         ENSURE_I4 (td, 2);
3372                         SIMPLE_OP (td, MINT_STELEM_REF);
3373                         td->sp -= 3;
3374                         break;
3375                 case CEE_STELEM:
3376                         CHECK_STACK (td, 3);
3377                         ENSURE_I4 (td, 2);
3378                         token = read32 (td->ip + 1);
3379                         klass = mini_get_class (method, token, generic_context);
3380                         switch (mint_type (&klass->byval_arg)) {
3381                                 case MINT_TYPE_U1:
3382                                         SIMPLE_OP (td, MINT_STELEM_U1);
3383                                         break;
3384                                 case MINT_TYPE_U2:
3385                                         SIMPLE_OP (td, MINT_STELEM_U2);
3386                                         break;
3387                                 case MINT_TYPE_I4:
3388                                         SIMPLE_OP (td, MINT_STELEM_I4);
3389                                         break;
3390                                 case MINT_TYPE_I8:
3391                                         SIMPLE_OP (td, MINT_STELEM_I8);
3392                                         break;
3393                                 case MINT_TYPE_O:
3394                                         SIMPLE_OP (td, MINT_STELEM_REF);
3395                                         break;
3396                                 case MINT_TYPE_VT: {
3397                                         int size = mono_class_value_size (klass, NULL);
3398                                         SIMPLE_OP (td, MINT_STELEM_VT);
3399                                         ADD_CODE (td, get_data_item_index (td, klass));
3400                                         WRITE32 (td, &size);
3401                                         POP_VT (td, size);
3402                                         break;
3403                                 }
3404                                 default: {
3405                                         GString *res = g_string_new ("");
3406                                         mono_type_get_desc (res, &klass->byval_arg, TRUE);
3407                                         g_print ("STELEM: %s -> %d (%s)\n", klass->name, mint_type (&klass->byval_arg), res->str);
3408                                         g_string_free (res, TRUE);
3409                                         g_assert (0);
3410                                         break;
3411                                 }
3412                         }
3413                         td->ip += 4;
3414                         td->sp -= 3;
3415                         break;
3416 #if 0
3417                 case CEE_CONV_OVF_U1:
3418
3419                 case CEE_CONV_OVF_I8:
3420
3421 #if SIZEOF_VOID_P == 8
3422                 case CEE_CONV_OVF_U:
3423 #endif
3424 #endif
3425                 case CEE_CKFINITE:
3426                         CHECK_STACK (td, 1);
3427                         SIMPLE_OP (td, MINT_CKFINITE);
3428                         break;
3429                 case CEE_MKREFANY:
3430                         CHECK_STACK (td, 1);
3431                         ENSURE_I4 (td, 2);
3432                         token = read32 (td->ip + 1);
3433                         klass = mini_get_class (method, token, generic_context);
3434
3435                         ADD_CODE (td, MINT_MKREFANY);
3436                         ADD_CODE (td, get_data_item_index (td, klass));
3437
3438                         td->ip += 5;
3439                         PUSH_VT (td, sizeof (MonoTypedRef));
3440                         SET_TYPE(td->sp - 1, STACK_TYPE_VT, mono_defaults.typed_reference_class);
3441                         break;
3442                 case CEE_REFANYVAL: {
3443                         CHECK_STACK (td, 1);
3444                         ENSURE_I4 (td, 2);
3445                         token = read32 (td->ip + 1);
3446
3447                         ADD_CODE (td, MINT_REFANYVAL);
3448
3449                         POP_VT (td, sizeof (MonoTypedRef));
3450                         SET_SIMPLE_TYPE(td->sp - 1, STACK_TYPE_MP);
3451
3452                         td->ip += 5;
3453                         break;
3454                 }
3455                 case CEE_CONV_OVF_I1:
3456                 case CEE_CONV_OVF_I1_UN:
3457                         CHECK_STACK (td, 1);
3458                         switch (td->sp [-1].type) {
3459                         case STACK_TYPE_R8:
3460                                 ADD_CODE(td, MINT_CONV_OVF_I1_R8);
3461                                 break;
3462                         case STACK_TYPE_I4:
3463                                 ADD_CODE(td, MINT_CONV_OVF_I1_I4);
3464                                 break;
3465                         case STACK_TYPE_I8:
3466                                 ADD_CODE(td, MINT_CONV_OVF_I1_I8);
3467                                 break;
3468                         default:
3469                                 g_assert_not_reached ();
3470                         }
3471                         ++td->ip;
3472                         SET_SIMPLE_TYPE(td->sp - 1, STACK_TYPE_I4);
3473                         break;
3474                 case CEE_CONV_OVF_U1:
3475                 case CEE_CONV_OVF_U1_UN:
3476                         CHECK_STACK (td, 1);
3477                         switch (td->sp [-1].type) {
3478                         case STACK_TYPE_R8:
3479                                 ADD_CODE(td, MINT_CONV_OVF_U1_R8);
3480                                 break;
3481                         case STACK_TYPE_I4:
3482                                 ADD_CODE(td, MINT_CONV_OVF_U1_I4);
3483                                 break;
3484                         case STACK_TYPE_I8:
3485                                 ADD_CODE(td, MINT_CONV_OVF_U1_I8);
3486                                 break;
3487                         default:
3488                                 g_assert_not_reached ();
3489                         }
3490                         ++td->ip;
3491                         SET_SIMPLE_TYPE(td->sp - 1, STACK_TYPE_I4);
3492                         break;
3493                 case CEE_CONV_OVF_I2:
3494                 case CEE_CONV_OVF_I2_UN:
3495                         CHECK_STACK (td, 1);
3496                         switch (td->sp [-1].type) {
3497                         case STACK_TYPE_R8:
3498                                 ADD_CODE(td, MINT_CONV_OVF_I2_R8);
3499                                 break;
3500                         case STACK_TYPE_I4:
3501                                 ADD_CODE(td, MINT_CONV_OVF_I2_I4);
3502                                 break;
3503                         case STACK_TYPE_I8:
3504                                 ADD_CODE(td, MINT_CONV_OVF_I2_I8);
3505                                 break;
3506                         default:
3507                                 g_assert_not_reached ();
3508                         }
3509                         ++td->ip;
3510                         SET_SIMPLE_TYPE(td->sp - 1, STACK_TYPE_I4);
3511                         break;
3512                 case CEE_CONV_OVF_U2_UN:
3513                 case CEE_CONV_OVF_U2:
3514                         CHECK_STACK (td, 1);
3515                         switch (td->sp [-1].type) {
3516                         case STACK_TYPE_R8:
3517                                 ADD_CODE(td, MINT_CONV_OVF_U2_R8);
3518                                 break;
3519                         case STACK_TYPE_I4:
3520                                 ADD_CODE(td, MINT_CONV_OVF_U2_I4);
3521                                 break;
3522                         case STACK_TYPE_I8:
3523                                 ADD_CODE(td, MINT_CONV_OVF_U2_I8);
3524                                 break;
3525                         default:
3526                                 g_assert_not_reached ();
3527                         }
3528                         ++td->ip;
3529                         SET_SIMPLE_TYPE(td->sp - 1, STACK_TYPE_I4);
3530                         break;
3531 #if SIZEOF_VOID_P == 4
3532                 case CEE_CONV_OVF_I:
3533 #endif
3534                 case CEE_CONV_OVF_I4:
3535                 case CEE_CONV_OVF_I4_UN:
3536                         CHECK_STACK (td, 1);
3537                         switch (td->sp [-1].type) {
3538                         case STACK_TYPE_R8:
3539                                 ADD_CODE(td, MINT_CONV_OVF_I4_R8);
3540                                 break;
3541                         case STACK_TYPE_I4:
3542                                 if (*td->ip == CEE_CONV_OVF_I4_UN)
3543                                         ADD_CODE(td, MINT_CONV_OVF_I4_U4);
3544                                 break;
3545                         case STACK_TYPE_I8:
3546                                 if (*td->ip == CEE_CONV_OVF_I4_UN)
3547                                         ADD_CODE (td, MINT_CONV_OVF_I4_U8);
3548                                 else
3549                                         ADD_CODE (td, MINT_CONV_OVF_I4_I8);
3550                                 break;
3551                         default:
3552                                 g_assert_not_reached ();
3553                         }
3554                         ++td->ip;
3555                         SET_SIMPLE_TYPE(td->sp - 1, STACK_TYPE_I4);
3556                         break;
3557 #if SIZEOF_VOID_P == 4
3558                 case CEE_CONV_OVF_U:
3559 #endif
3560                 case CEE_CONV_OVF_U4:
3561                 case CEE_CONV_OVF_U4_UN:
3562                         CHECK_STACK (td, 1);
3563                         switch (td->sp [-1].type) {
3564                         case STACK_TYPE_R8:
3565                                 ADD_CODE(td, MINT_CONV_OVF_U4_R8);
3566                                 break;
3567                         case STACK_TYPE_I4:
3568                                 if (*td->ip != CEE_CONV_OVF_U4_UN)
3569                                         ADD_CODE(td, MINT_CONV_OVF_U4_I4);
3570                                 break;
3571                         case STACK_TYPE_I8:
3572                                 ADD_CODE(td, MINT_CONV_OVF_U4_I8);
3573                                 break;
3574                         default:
3575                                 g_assert_not_reached ();
3576                         }
3577                         ++td->ip;
3578                         SET_SIMPLE_TYPE(td->sp - 1, STACK_TYPE_I4);
3579                         break;
3580 #if SIZEOF_VOID_P == 8
3581                 case CEE_CONV_OVF_I:
3582 #endif
3583                 case CEE_CONV_OVF_I8:
3584                         CHECK_STACK (td, 1);
3585                         switch (td->sp [-1].type) {
3586                         case STACK_TYPE_R8:
3587                                 ADD_CODE(td, MINT_CONV_OVF_I8_R8);
3588                                 break;
3589                         case STACK_TYPE_I4:
3590                                 ADD_CODE(td, MINT_CONV_I8_I4);
3591                                 break;
3592                         case STACK_TYPE_I8:
3593                                 break;
3594                         default:
3595                                 g_assert_not_reached ();
3596                         }
3597                         ++td->ip;
3598                         SET_SIMPLE_TYPE(td->sp - 1, STACK_TYPE_I8);
3599                         break;
3600 #if SIZEOF_VOID_P == 8
3601                 case CEE_CONV_OVF_U:
3602 #endif
3603                 case CEE_CONV_OVF_U8:
3604                         CHECK_STACK (td, 1);
3605                         switch (td->sp [-1].type) {
3606                         case STACK_TYPE_R8:
3607                                 ADD_CODE(td, MINT_CONV_OVF_U8_R8);
3608                                 break;
3609                         case STACK_TYPE_I4:
3610                                 ADD_CODE(td, MINT_CONV_OVF_U8_I4);
3611                                 break;
3612                         case STACK_TYPE_I8:
3613                                 ADD_CODE (td, MINT_CONV_OVF_U8_I8);
3614                                 break;
3615                         default:
3616                                 g_assert_not_reached ();
3617                         }
3618                         ++td->ip;
3619                         SET_SIMPLE_TYPE(td->sp - 1, STACK_TYPE_I8);
3620                         break;
3621                 case CEE_LDTOKEN: {
3622                         int size;
3623                         gpointer handle;
3624                         token = read32 (td->ip + 1);
3625                         if (method->wrapper_type == MONO_WRAPPER_DYNAMIC_METHOD || method->wrapper_type == MONO_WRAPPER_SYNCHRONIZED) {
3626                                 handle = mono_method_get_wrapper_data (method, token);
3627                                 klass = (MonoClass *) mono_method_get_wrapper_data (method, token + 1);
3628                                 if (klass == mono_defaults.typehandle_class)
3629                                         handle = &((MonoClass *) handle)->byval_arg;
3630
3631                                 if (generic_context) {
3632                                         handle = mono_class_inflate_generic_type_checked (handle, generic_context, &error);
3633                                         mono_error_cleanup (&error); /* FIXME: don't swallow the error */
3634                                 }
3635                         } else {
3636                                 handle = mono_ldtoken (image, token, &klass, generic_context);
3637                         }
3638                         mono_class_init (klass);
3639                         mt = mint_type (&klass->byval_arg);
3640                         g_assert (mt == MINT_TYPE_VT);
3641                         size = mono_class_value_size (klass, NULL);
3642                         g_assert (size == sizeof(gpointer));
3643                         PUSH_VT (td, sizeof(gpointer));
3644                         ADD_CODE (td, MINT_LDTOKEN);
3645                         ADD_CODE (td, get_data_item_index (td, handle));
3646
3647                         SET_TYPE (td->sp, stack_type [mt], klass);
3648                         td->sp++;
3649                         td->ip += 5;
3650                         break;
3651                 }
3652                 case CEE_ADD_OVF:
3653                         binary_arith_op(td, MINT_ADD_OVF_I4);
3654                         ++td->ip;
3655                         break;
3656                 case CEE_ADD_OVF_UN:
3657                         binary_arith_op(td, MINT_ADD_OVF_UN_I4);
3658                         ++td->ip;
3659                         break;
3660                 case CEE_MUL_OVF:
3661                         binary_arith_op(td, MINT_MUL_OVF_I4);
3662                         ++td->ip;
3663                         break;
3664                 case CEE_MUL_OVF_UN:
3665                         binary_arith_op(td, MINT_MUL_OVF_UN_I4);
3666                         ++td->ip;
3667                         break;
3668                 case CEE_SUB_OVF:
3669                         binary_arith_op(td, MINT_SUB_OVF_I4);
3670                         ++td->ip;
3671                         break;
3672                 case CEE_SUB_OVF_UN:
3673                         binary_arith_op(td, MINT_SUB_OVF_UN_I4);
3674                         ++td->ip;
3675                         break;
3676                 case CEE_ENDFINALLY:
3677                         g_assert (td->clause_indexes [in_offset] != -1);
3678                         td->sp = td->stack;
3679                         SIMPLE_OP (td, MINT_ENDFINALLY);
3680                         ADD_CODE (td, td->clause_indexes [in_offset]);
3681                         generating_code = 0;
3682                         break;
3683                 case CEE_LEAVE:
3684                         td->sp = td->stack;
3685                         handle_branch (td, MINT_LEAVE_S, MINT_LEAVE, 5 + read32 (td->ip + 1));
3686                         td->ip += 5;
3687                         generating_code = 0;
3688                         break;
3689                 case CEE_LEAVE_S:
3690                         td->sp = td->stack;
3691                         handle_branch (td, MINT_LEAVE_S, MINT_LEAVE, 2 + (gint8)td->ip [1]);
3692                         td->ip += 2;
3693                         generating_code = 0;
3694                         break;
3695                 case CEE_UNUSED41:
3696                         ++td->ip;
3697                         switch (*td->ip) {
3698                                 case CEE_MONO_CALLI_EXTRA_ARG:
3699                                         /* Same as CEE_CALLI, except that we drop the extra arg required for llvm specific behaviour */
3700                                         ADD_CODE (td, MINT_POP);
3701                                         ADD_CODE (td, 1);
3702                                         --td->sp;
3703                                         interp_transform_call (td, method, NULL, domain, generic_context, is_bb_start, body_start_offset, NULL, FALSE);
3704                                         break;
3705                                 case CEE_MONO_JIT_ICALL_ADDR: {
3706                                         guint32 token;
3707                                         gpointer func;
3708                                         MonoJitICallInfo *info;
3709
3710                                         token = read32 (td->ip + 1);
3711                                         td->ip += 5;
3712                                         func = mono_method_get_wrapper_data (method, token);
3713                                         info = mono_find_jit_icall_by_addr (func);
3714
3715                                         ADD_CODE (td, MINT_LDFTN);
3716                                         ADD_CODE (td, get_data_item_index (td, func));
3717                                         PUSH_SIMPLE_TYPE (td, STACK_TYPE_I);
3718                                         break;
3719                                 }
3720                                 case CEE_MONO_ICALL: {
3721                                         guint32 token;
3722                                         gpointer func;
3723                                         MonoJitICallInfo *info;
3724
3725                                         token = read32 (td->ip + 1);
3726                                         td->ip += 5;
3727                                         func = mono_method_get_wrapper_data (method, token);
3728                                         info = mono_find_jit_icall_by_addr (func);
3729                                         g_assert (info);
3730
3731                                         CHECK_STACK (td, info->sig->param_count);
3732                                         switch (info->sig->param_count) {
3733                                         case 0:
3734                                                 if (MONO_TYPE_IS_VOID (info->sig->ret))
3735                                                         ADD_CODE (td,MINT_ICALL_V_V);
3736                                                 else
3737                                                         ADD_CODE (td, MINT_ICALL_V_P);
3738                                                 break;
3739                                         case 1:
3740                                                 if (MONO_TYPE_IS_VOID (info->sig->ret))
3741                                                         ADD_CODE (td,MINT_ICALL_P_V);
3742                                                 else
3743                                                         ADD_CODE (td,MINT_ICALL_P_P);
3744                                                 break;
3745                                         case 2:
3746                                                 if (MONO_TYPE_IS_VOID (info->sig->ret)) {
3747                                                         if (info->sig->params [1]->type == MONO_TYPE_I4)
3748                                                                 ADD_CODE (td,MINT_ICALL_PI_V);
3749                                                         else
3750                                                                 ADD_CODE (td,MINT_ICALL_PP_V);
3751                                                 } else {
3752                                                         if (info->sig->params [1]->type == MONO_TYPE_I4)
3753                                                                 ADD_CODE (td,MINT_ICALL_PI_P);
3754                                                         else
3755                                                                 ADD_CODE (td,MINT_ICALL_PP_P);
3756                                                 }
3757                                                 break;
3758                                         case 3:
3759                                                 g_assert (MONO_TYPE_IS_VOID (info->sig->ret));
3760                                                 if (info->sig->params [2]->type == MONO_TYPE_I4)
3761                                                         ADD_CODE (td,MINT_ICALL_PPI_V);
3762                                                 else
3763                                                         ADD_CODE (td,MINT_ICALL_PPP_V);
3764                                                 break;
3765                                         default:
3766                                                 g_assert_not_reached ();
3767                                         }
3768
3769                                         if (func == mono_ftnptr_to_delegate) {
3770                                                 g_error ("TODO: ?");
3771                                         }
3772                                         ADD_CODE(td, get_data_item_index (td, func));
3773                                         td->sp -= info->sig->param_count;
3774
3775                                         if (!MONO_TYPE_IS_VOID (info->sig->ret)) {
3776                                                 td->sp ++;
3777                                                 SET_SIMPLE_TYPE(td->sp - 1, STACK_TYPE_I);
3778                                         }
3779                                         break;
3780                                 }
3781                         case CEE_MONO_VTADDR: {
3782                                 int size;
3783                                 CHECK_STACK (td, 1);
3784                                 if (method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE)
3785                                         size = mono_class_native_size(td->sp [-1].klass, NULL);
3786                                 else
3787                                         size = mono_class_value_size(td->sp [-1].klass, NULL);
3788                                 size = (size + 7) & ~7;
3789                                 ADD_CODE(td, MINT_VTRESULT);
3790                                 ADD_CODE(td, 0);
3791                                 WRITE32(td, &size);
3792                                 td->vt_sp -= size;
3793                                 ++td->ip;
3794                                 SET_SIMPLE_TYPE(td->sp - 1, STACK_TYPE_MP);
3795                                 break;
3796                         }
3797                         case CEE_MONO_LDPTR:
3798                         case CEE_MONO_CLASSCONST:
3799                                 token = read32 (td->ip + 1);
3800                                 td->ip += 5;
3801                                 ADD_CODE(td, MINT_MONO_LDPTR);
3802                                 ADD_CODE(td, get_data_item_index (td, mono_method_get_wrapper_data (method, token)));
3803                                 td->sp [0].type = STACK_TYPE_I;
3804                                 ++td->sp;
3805                                 break;
3806                         case CEE_MONO_OBJADDR:
3807                                 CHECK_STACK (td, 1);
3808                                 ++td->ip;
3809                                 td->sp[-1].type = STACK_TYPE_MP;
3810                                 /* do nothing? */
3811                                 break;
3812                         case CEE_MONO_NEWOBJ:
3813                                 token = read32 (td->ip + 1);
3814                                 td->ip += 5;
3815                                 ADD_CODE(td, MINT_MONO_NEWOBJ);
3816                                 ADD_CODE(td, get_data_item_index (td, mono_method_get_wrapper_data (method, token)));
3817                                 td->sp [0].type = STACK_TYPE_O;
3818                                 ++td->sp;
3819                                 break;
3820                         case CEE_MONO_RETOBJ:
3821                                 CHECK_STACK (td, 1);
3822                                 token = read32 (td->ip + 1);
3823                                 td->ip += 5;
3824                                 ADD_CODE(td, MINT_MONO_RETOBJ);
3825                                 td->sp--;
3826
3827                                 klass = (MonoClass *)mono_method_get_wrapper_data (method, token);
3828
3829                                 /*stackval_from_data (signature->ret, frame->retval, sp->data.vt, signature->pinvoke);*/
3830
3831                                 if (td->sp > td->stack)
3832                                         g_warning ("CEE_MONO_RETOBJ: more values on stack: %d", td->sp-td->stack);
3833                                 break;
3834                         case CEE_MONO_LDNATIVEOBJ:
3835                                 token = read32 (td->ip + 1);
3836                                 td->ip += 5;
3837                                 klass = (MonoClass *)mono_method_get_wrapper_data (method, token);
3838                                 g_assert(klass->valuetype);
3839                                 SET_SIMPLE_TYPE(td->sp - 1, STACK_TYPE_MP);
3840                                 break;
3841                         case CEE_MONO_TLS: {
3842                                 gint32 key = read32 (td->ip + 1);
3843                                 td->ip += 5;
3844                                 g_assert (key < TLS_KEY_NUM);
3845                                 ADD_CODE (td, MINT_MONO_TLS);
3846                                 WRITE32 (td, &key);
3847                                 PUSH_SIMPLE_TYPE (td, STACK_TYPE_MP);
3848                                 break;
3849                         }
3850                         case CEE_MONO_ATOMIC_STORE_I4:
3851                                 CHECK_STACK (td, 2);
3852                                 SIMPLE_OP (td, MINT_MONO_ATOMIC_STORE_I4);
3853                                 td->sp -= 2;
3854                                 td->ip++;
3855                                 break;
3856                         case CEE_MONO_SAVE_LMF:
3857                         case CEE_MONO_RESTORE_LMF:
3858                         case CEE_MONO_NOT_TAKEN:
3859                                 ++td->ip;
3860                                 break;
3861                         case CEE_MONO_LDPTR_INT_REQ_FLAG:
3862                                 ADD_CODE (td, MINT_MONO_LDPTR);
3863                                 ADD_CODE (td, get_data_item_index (td, mono_thread_interruption_request_flag ()));
3864                                 PUSH_TYPE (td, STACK_TYPE_MP, NULL);
3865                                 ++td->ip;
3866                                 break;
3867                         case CEE_MONO_MEMORY_BARRIER:
3868                                 ADD_CODE (td, MINT_MONO_MEMORY_BARRIER);
3869                                 ++td->ip;
3870                                 break;
3871                         case CEE_MONO_JIT_ATTACH:
3872                                 ADD_CODE (td, MINT_MONO_JIT_ATTACH);
3873                                 ++td->ip;
3874                                 break;
3875                         case CEE_MONO_JIT_DETACH:
3876                                 ADD_CODE (td, MINT_MONO_JIT_DETACH);
3877                                 ++td->ip;
3878                                 break;
3879                         case CEE_MONO_LDDOMAIN:
3880                                 ADD_CODE (td, MINT_MONO_LDDOMAIN);
3881                                 td->sp [0].type = STACK_TYPE_I;
3882                                 ++td->sp;
3883                                 ++td->ip;
3884                                 break;
3885                         default:
3886                                 g_error ("transform.c: Unimplemented opcode: 0xF0 %02x at 0x%x\n", *td->ip, td->ip-header->code);
3887                         }
3888                         break;
3889 #if 0
3890                 case CEE_PREFIX7:
3891                 case CEE_PREFIX6:
3892                 case CEE_PREFIX5:
3893                 case CEE_PREFIX4:
3894                 case CEE_PREFIX3:
3895                 case CEE_PREFIX2:
3896                 case CEE_PREFIXREF: ves_abort(); break;
3897 #endif
3898                 /*
3899                  * Note: Exceptions thrown when executing a prefixed opcode need
3900                  * to take into account the number of prefix bytes (usually the
3901                  * throw point is just (ip - n_prefix_bytes).
3902                  */
3903                 case CEE_PREFIX1:
3904                         ++td->ip;
3905                         switch (*td->ip) {
3906 #if 0
3907                         case CEE_ARGLIST: ves_abort(); break;
3908 #endif
3909                         case CEE_CEQ:
3910                                 CHECK_STACK(td, 2);
3911                                 if (td->sp [-1].type == STACK_TYPE_O || td->sp [-1].type == STACK_TYPE_MP)
3912                                         ADD_CODE(td, MINT_CEQ_I4 + STACK_TYPE_I - STACK_TYPE_I4);
3913                                 else
3914                                         ADD_CODE(td, MINT_CEQ_I4 + td->sp [-1].type - STACK_TYPE_I4);
3915                                 --td->sp;
3916                                 SET_SIMPLE_TYPE(td->sp - 1, STACK_TYPE_I4);
3917                                 ++td->ip;
3918                                 break;
3919                         case CEE_CGT:
3920                                 CHECK_STACK(td, 2);
3921                                 if (td->sp [-1].type == STACK_TYPE_O || td->sp [-1].type == STACK_TYPE_MP)
3922                                         ADD_CODE(td, MINT_CGT_I4 + STACK_TYPE_I - STACK_TYPE_I4);
3923                                 else
3924                                         ADD_CODE(td, MINT_CGT_I4 + td->sp [-1].type - STACK_TYPE_I4);
3925                                 --td->sp;
3926                                 SET_SIMPLE_TYPE(td->sp - 1, STACK_TYPE_I4);
3927                                 ++td->ip;
3928                                 break;
3929                         case CEE_CGT_UN:
3930                                 CHECK_STACK(td, 2);
3931                                 if (td->sp [-1].type == STACK_TYPE_O || td->sp [-1].type == STACK_TYPE_MP)
3932                                         ADD_CODE(td, MINT_CGT_UN_I4 + STACK_TYPE_I - STACK_TYPE_I4);
3933                                 else
3934                                         ADD_CODE(td, MINT_CGT_UN_I4 + td->sp [-1].type - STACK_TYPE_I4);
3935                                 --td->sp;
3936                                 SET_SIMPLE_TYPE(td->sp - 1, STACK_TYPE_I4);
3937                                 ++td->ip;
3938                                 break;
3939                         case CEE_CLT:
3940                                 CHECK_STACK(td, 2);
3941                                 if (td->sp [-1].type == STACK_TYPE_O || td->sp [-1].type == STACK_TYPE_MP)
3942                                         ADD_CODE(td, MINT_CLT_I4 + STACK_TYPE_I - STACK_TYPE_I4);
3943                                 else
3944                                         ADD_CODE(td, MINT_CLT_I4 + td->sp [-1].type - STACK_TYPE_I4);
3945                                 --td->sp;
3946                                 SET_SIMPLE_TYPE(td->sp - 1, STACK_TYPE_I4);
3947                                 ++td->ip;
3948                                 break;
3949                         case CEE_CLT_UN:
3950                                 CHECK_STACK(td, 2);
3951                                 if (td->sp [-1].type == STACK_TYPE_O || td->sp [-1].type == STACK_TYPE_MP)
3952                                         ADD_CODE(td, MINT_CLT_UN_I4 + STACK_TYPE_I - STACK_TYPE_I4);
3953                                 else
3954                                         ADD_CODE(td, MINT_CLT_UN_I4 + td->sp [-1].type - STACK_TYPE_I4);
3955                                 --td->sp;
3956                                 SET_SIMPLE_TYPE(td->sp - 1, STACK_TYPE_I4);
3957                                 ++td->ip;
3958                                 break;
3959                         case CEE_LDVIRTFTN: /* fallthrough */
3960                         case CEE_LDFTN: {
3961                                 MonoMethod *m;
3962                                 if (*td->ip == CEE_LDVIRTFTN) {
3963                                         CHECK_STACK (td, 1);
3964                                         --td->sp;
3965                                 }
3966                                 token = read32 (td->ip + 1);
3967                                 if (method->wrapper_type != MONO_WRAPPER_NONE)
3968                                         m = (MonoMethod *)mono_method_get_wrapper_data (method, token);
3969                                 else
3970                                         m = mono_get_method_full (image, token, NULL, generic_context);
3971
3972                                 if (method->wrapper_type == MONO_WRAPPER_NONE && m->iflags & METHOD_IMPL_ATTRIBUTE_SYNCHRONIZED)
3973                                         m = mono_marshal_get_synchronized_wrapper (m);
3974
3975                                 ADD_CODE(td, *td->ip == CEE_LDFTN ? MINT_LDFTN : MINT_LDVIRTFTN);
3976                                 ADD_CODE(td, get_data_item_index (td, mono_interp_get_imethod (domain, m, &error)));
3977                                 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
3978                                 td->ip += 5;
3979                                 PUSH_SIMPLE_TYPE (td, STACK_TYPE_F);
3980                                 break;
3981                         }
3982                         case CEE_LDARG:
3983                                 load_arg (td, read16 (td->ip + 1));
3984                                 td->ip += 3;
3985                                 break;
3986                         case CEE_LDARGA: {
3987                                 int n = read16 (td->ip + 1);
3988                                 ADD_CODE (td, MINT_LDARGA);
3989                                 ADD_CODE (td, td->rtm->arg_offsets [n]); /* FIX for large offsets */
3990                                 PUSH_SIMPLE_TYPE(td, STACK_TYPE_MP);
3991                                 td->ip += 3;
3992                                 break;
3993                         }
3994                         case CEE_STARG:
3995                                 store_arg (td, read16 (td->ip + 1));
3996                                 td->ip += 3;
3997                                 break;
3998                         case CEE_LDLOC:
3999                                 load_local (td, read16 (td->ip + 1));
4000                                 td->ip += 3;
4001                                 break;
4002                         case CEE_LDLOCA:
4003                                 ADD_CODE(td, MINT_LDLOCA_S);
4004                                 ADD_CODE(td, td->rtm->local_offsets [read16 (td->ip + 1)]);
4005                                 PUSH_SIMPLE_TYPE(td, STACK_TYPE_MP);
4006                                 td->ip += 3;
4007                                 break;
4008                         case CEE_STLOC:
4009                                 store_local (td, read16 (td->ip + 1));
4010                                 td->ip += 3;
4011                                 break;
4012                         case CEE_LOCALLOC:
4013                                 CHECK_STACK (td, 1);
4014 #if SIZEOF_VOID_P == 8
4015                                 if (td->sp [-1].type == STACK_TYPE_I8)
4016                                         ADD_CODE(td, MINT_CONV_I4_I8);
4017 #endif
4018                                 ADD_CODE(td, MINT_LOCALLOC);
4019                                 if (td->sp != td->stack + 1)
4020                                         g_warning("CEE_LOCALLOC: stack not empty");
4021                                 ++td->ip;
4022                                 SET_SIMPLE_TYPE(td->sp - 1, STACK_TYPE_MP);
4023                                 break;
4024 #if 0
4025                         case CEE_UNUSED57: ves_abort(); break;
4026 #endif
4027                         case CEE_ENDFILTER:
4028                                 ADD_CODE (td, MINT_ENDFILTER);
4029                                 ++td->ip;
4030                                 break;
4031                         case CEE_UNALIGNED_:
4032                                 td->ip += 2;
4033                                 break;
4034                         case CEE_VOLATILE_:
4035                                 ++td->ip;
4036                                 volatile_ = TRUE;
4037                                 break;
4038                         case CEE_TAIL_:
4039                                 ++td->ip;
4040                                 /* FIX: should do something? */;
4041                                 // TODO: This should raise a method_tail_call profiler event.
4042                                 break;
4043                         case CEE_INITOBJ:
4044                                 CHECK_STACK(td, 1);
4045                                 token = read32 (td->ip + 1);
4046                                 klass = mini_get_class (method, token, generic_context);
4047                                 if (klass->valuetype) {
4048                                         ADD_CODE (td, MINT_INITOBJ);
4049                                         i32 = mono_class_value_size (klass, NULL);
4050                                         WRITE32 (td, &i32);
4051                                 } else {
4052                                         ADD_CODE (td, MINT_LDNULL);
4053                                         ADD_CODE (td, MINT_STIND_REF);
4054                                 }
4055                                 td->ip += 5;
4056                                 --td->sp;
4057                                 break;
4058                         case CEE_CPBLK:
4059                                 CHECK_STACK(td, 3);
4060                                 /* FIX? convert length to I8? */
4061                                 if (volatile_)
4062                                         ADD_CODE (td, MINT_MONO_MEMORY_BARRIER);
4063                                 ADD_CODE(td, MINT_CPBLK);
4064                                 BARRIER_IF_VOLATILE (td);
4065                                 td->sp -= 3;
4066                                 ++td->ip;
4067                                 break;
4068                         case CEE_READONLY_:
4069                                 readonly = TRUE;
4070                                 td->ip += 1;
4071                                 break;
4072                         case CEE_CONSTRAINED_:
4073                                 token = read32 (td->ip + 1);
4074                                 constrained_class = mini_get_class (method, token, generic_context);
4075                                 mono_class_init (constrained_class);
4076                                 td->ip += 5;
4077                                 break;
4078                         case CEE_INITBLK:
4079                                 CHECK_STACK(td, 3);
4080                                 BARRIER_IF_VOLATILE (td);
4081                                 ADD_CODE(td, MINT_INITBLK);
4082                                 td->sp -= 3;
4083                                 td->ip += 1;
4084                                 break;
4085                         case CEE_NO_:
4086                                 /* FIXME: implement */
4087                                 td->ip += 2;
4088                                 break;
4089                         case CEE_RETHROW: {
4090                                 int clause_index = td->clause_indexes [in_offset];
4091                                 g_assert (clause_index != -1);
4092                                 SIMPLE_OP (td, MINT_RETHROW);
4093                                 ADD_CODE (td, rtm->exvar_offsets [clause_index]);
4094                                 generating_code = 0;
4095                                 break;
4096                         }
4097                         case CEE_SIZEOF: {
4098                                 gint32 size;
4099                                 token = read32 (td->ip + 1);
4100                                 td->ip += 5;
4101                                 if (mono_metadata_token_table (token) == MONO_TABLE_TYPESPEC && !image_is_dynamic (method->klass->image) && !generic_context) {
4102                                         int align;
4103                                         MonoType *type = mono_type_create_from_typespec (image, token);
4104                                         size = mono_type_size (type, &align);
4105                                 } else {
4106                                         int align;
4107                                         MonoClass *szclass = mini_get_class (method, token, generic_context);
4108                                         mono_class_init (szclass);
4109 #if 0
4110                                         if (!szclass->valuetype)
4111                                                 THROW_EX (mono_exception_from_name (mono_defaults.corlib, "System", "InvalidProgramException"), ip - 5);
4112 #endif
4113                                         size = mono_type_size (&szclass->byval_arg, &align);
4114                                 }
4115                                 ADD_CODE(td, MINT_LDC_I4);
4116                                 WRITE32(td, &size);
4117                                 PUSH_SIMPLE_TYPE(td, STACK_TYPE_I4);
4118                                 break;
4119                         }
4120                         case CEE_REFANYTYPE:
4121                                 ADD_CODE (td, MINT_REFANYTYPE);
4122                                 td->ip += 1;
4123                                 POP_VT (td, sizeof (MonoTypedRef));
4124                                 PUSH_VT (td, sizeof (gpointer));
4125                                 SET_TYPE(td->sp - 1, STACK_TYPE_VT, NULL);
4126                                 break;
4127                         default:
4128                                 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);
4129                         }
4130                         break;
4131                 default:
4132                         g_error ("transform.c: Unimplemented opcode: %02x at 0x%x\n", *td->ip, td->ip-header->code);
4133                 }
4134
4135                 if (td->new_ip - td->new_code != new_in_start_offset)
4136                         td->last_new_ip = td->new_code + new_in_start_offset;
4137                 else if (td->is_bb_start [td->in_start - td->il_code])
4138                         td->is_bb_start [td->ip - td->il_code] = 1;
4139
4140                 td->last_ip = td->in_start;
4141         }
4142
4143         /* Handle relocations */
4144         for (int i = 0; i < td->relocs->len; ++i) {
4145                 Reloc *reloc = g_ptr_array_index (td->relocs, i);
4146
4147                 int offset = td->in_offsets [reloc->target] - reloc->offset;
4148
4149                 switch (reloc->type) {
4150                 case RELOC_SHORT_BRANCH:
4151                         g_assert (td->new_code [reloc->offset + 1] == 0xffff);
4152                         td->new_code [reloc->offset + 1] = offset;
4153                         break;
4154                 case RELOC_LONG_BRANCH: {
4155                         guint16 *v = (guint16 *) &offset;
4156                         g_assert (td->new_code [reloc->offset + 1] == 0xbeef);
4157                         g_assert (td->new_code [reloc->offset + 2] == 0xdead);
4158                         td->new_code [reloc->offset + 1] = *(guint16 *) v;
4159                         td->new_code [reloc->offset + 2] = *(guint16 *) (v + 1);
4160                         break;
4161                 }
4162                 case RELOC_SWITCH: {
4163                         guint16 *v = (guint16*)&offset;
4164                         td->new_code [reloc->offset] = *(guint16*)v;
4165                         td->new_code [reloc->offset + 1] = *(guint16*)(v + 1);
4166                         break;
4167                 }
4168                 default:
4169                         g_assert_not_reached ();
4170                         break;
4171                 }
4172         }
4173
4174         if (td->verbose_level) {
4175                 const guint16 *p = td->new_code;
4176                 printf("Runtime method: %s %p, VT stack size: %d\n", mono_method_full_name (method, TRUE), rtm, td->max_vt_sp);
4177                 printf("Calculated stack size: %d, stated size: %d\n", td->max_stack_height, header->max_stack);
4178                 while (p < td->new_ip) {
4179                         p = mono_interp_dis_mintop(td->new_code, p);
4180                         printf("\n");
4181                 }
4182         }
4183         g_assert (td->max_stack_height <= (header->max_stack + 1));
4184
4185         int code_len = td->new_ip - td->new_code;
4186
4187         rtm->clauses = mono_domain_alloc0 (domain, header->num_clauses * sizeof (MonoExceptionClause));
4188         memcpy (rtm->clauses, header->clauses, header->num_clauses * sizeof(MonoExceptionClause));
4189         rtm->code = mono_domain_alloc0 (domain, (td->new_ip - td->new_code) * sizeof (gushort));
4190         memcpy (rtm->code, td->new_code, (td->new_ip - td->new_code) * sizeof(gushort));
4191         g_free (td->new_code);
4192         rtm->new_body_start = rtm->code + body_start_offset;
4193         rtm->num_clauses = header->num_clauses;
4194         for (i = 0; i < header->num_clauses; i++) {
4195                 MonoExceptionClause *c = rtm->clauses + i;
4196                 int end_off = c->try_offset + c->try_len;
4197                 c->try_offset = td->in_offsets [c->try_offset];
4198                 c->try_len = td->in_offsets [end_off] - c->try_offset;
4199                 end_off = c->handler_offset + c->handler_len;
4200                 c->handler_offset = td->in_offsets [c->handler_offset];
4201                 c->handler_len = td->in_offsets [end_off] - c->handler_offset;
4202                 if (c->flags & MONO_EXCEPTION_CLAUSE_FILTER)
4203                         c->data.filter_offset = td->in_offsets [c->data.filter_offset];
4204         }
4205         rtm->vt_stack_size = td->max_vt_sp;
4206         rtm->alloca_size = rtm->locals_size + rtm->args_size + rtm->vt_stack_size + rtm->stack_size;
4207         rtm->data_items = mono_domain_alloc0 (domain, td->n_data_items * sizeof (td->data_items [0]));
4208         memcpy (rtm->data_items, td->data_items, td->n_data_items * sizeof (td->data_items [0]));
4209
4210         /* Save debug info */
4211         interp_save_debug_info (rtm, header, td, line_numbers);
4212
4213         /* Create a MonoJitInfo for the interpreted method by creating the interpreter IR as the native code. */
4214         int jinfo_len = mono_jit_info_size (0, header->num_clauses, 0);
4215         MonoJitInfo *jinfo = (MonoJitInfo *)mono_domain_alloc0 (domain, jinfo_len);
4216         jinfo->is_interp = 1;
4217         rtm->jinfo = jinfo;
4218         mono_jit_info_init (jinfo, method, (guint8*)rtm->code, code_len, 0, header->num_clauses, 0);
4219         for (i = 0; i < jinfo->num_clauses; ++i) {
4220                 MonoJitExceptionInfo *ei = &jinfo->clauses [i];
4221                 MonoExceptionClause *c = rtm->clauses + i;
4222
4223                 ei->flags = c->flags;
4224                 ei->try_start = (guint8*)(rtm->code + c->try_offset);
4225                 ei->try_end = (guint8*)(rtm->code + c->try_offset + c->try_len);
4226                 ei->handler_start = (guint8*)(rtm->code + c->handler_offset);
4227                 ei->exvar_offset = rtm->exvar_offsets [i];
4228                 if (ei->flags == MONO_EXCEPTION_CLAUSE_FILTER) {
4229                         ei->data.filter = (guint8*)(rtm->code + c->data.filter_offset);
4230                 } else if (ei->flags == MONO_EXCEPTION_CLAUSE_FINALLY) {
4231                 } else {
4232                         ei->data.catch_class = c->data.catch_class;
4233                 }
4234         }
4235
4236         save_seq_points (td);
4237
4238         g_free (td->in_offsets);
4239         for (i = 0; i < header->code_size; ++i)
4240                 g_free (td->stack_state [i]);
4241         g_free (td->stack_state);
4242         g_free (td->stack_height);
4243         g_free (td->vt_stack_size);
4244         g_free (td->data_items);
4245         g_free (td->stack);
4246         g_hash_table_destroy (td->data_hash);
4247         g_free (td->clause_indexes);
4248         g_ptr_array_free (td->seq_points, TRUE);
4249         g_array_free (line_numbers, TRUE);
4250         g_ptr_array_free (td->relocs, TRUE);
4251         mono_mempool_destroy (td->mempool);
4252 }
4253
4254 static mono_mutex_t calc_section;
4255
4256 void
4257 mono_interp_transform_init (void)
4258 {
4259         mono_os_mutex_init_recursive(&calc_section);
4260 }
4261
4262 MonoException *
4263 mono_interp_transform_method (InterpMethod *imethod, ThreadContext *context)
4264 {
4265         MonoError error;
4266         int i, align, size, offset;
4267         MonoMethod *method = imethod->method;
4268         MonoImage *image = method->klass->image;
4269         MonoMethodHeader *header = mono_method_get_header (method);
4270         MonoMethodSignature *signature = mono_method_signature (method);
4271         register const unsigned char *ip, *end;
4272         const MonoOpcode *opcode;
4273         MonoMethod *m;
4274         MonoClass *class;
4275         unsigned char *is_bb_start;
4276         int in;
4277         MonoVTable *method_class_vt;
4278         int backwards;
4279         MonoGenericContext *generic_context = NULL;
4280         MonoDomain *domain = imethod->domain;
4281
4282         // g_printerr ("TRANSFORM(0x%016lx): begin %s::%s\n", mono_thread_current (), method->klass->name, method->name);
4283         method_class_vt = mono_class_vtable_full (domain, imethod->method->klass, &error);
4284         if (!is_ok (&error))
4285                 return mono_error_convert_to_exception (&error);
4286
4287         if (!method_class_vt->initialized) {
4288                 jmp_buf env;
4289                 InterpFrame *last_env_frame = context->env_frame;
4290                 jmp_buf *old_env = context->current_env;
4291                 error_init (&error);
4292
4293                 if (setjmp(env)) {
4294                         MonoException *failed = context->env_frame->ex;
4295                         context->env_frame->ex = NULL;
4296                         context->env_frame = last_env_frame;
4297                         context->current_env = old_env;
4298                         return failed;
4299                 }
4300                 context->env_frame = context->current_frame;
4301                 context->current_env = &env;
4302                 mono_runtime_class_init_full (method_class_vt, &error);
4303                 if (!mono_error_ok (&error)) {
4304                         return mono_error_convert_to_exception (&error);
4305                 }
4306                 context->env_frame = last_env_frame;
4307                 context->current_env = old_env;
4308         }
4309
4310         MONO_PROFILER_RAISE (jit_begin, (method));
4311
4312         if (mono_method_signature (method)->is_inflated)
4313                 generic_context = mono_method_get_context (method);
4314         else {
4315                 MonoGenericContainer *generic_container = mono_method_get_generic_container (method);
4316                 if (generic_container)
4317                         generic_context = &generic_container->context;
4318         }
4319
4320         if (method->iflags & (METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL | METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
4321                 MonoMethod *nm = NULL;
4322                 mono_os_mutex_lock(&calc_section);
4323                 if (imethod->transformed) {
4324                         mono_os_mutex_unlock(&calc_section);
4325                         MONO_PROFILER_RAISE (jit_done, (method, imethod->jinfo));
4326                         return NULL;
4327                 }
4328
4329                 /* assumes all internal calls with an array this are built in... */
4330                 if (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL && (! mono_method_signature (method)->hasthis || method->klass->rank == 0)) {
4331                         nm = mono_marshal_get_native_wrapper (method, TRUE, FALSE);
4332                         signature = mono_method_signature (nm);
4333                 } else {
4334                         const char *name = method->name;
4335                         if (method->klass->parent == mono_defaults.multicastdelegate_class) {
4336                                 if (*name == '.' && (strcmp (name, ".ctor") == 0)) {
4337                                         MonoJitICallInfo *mi = mono_find_jit_icall_by_name ("ves_icall_mono_delegate_ctor");
4338                                         g_assert (mi);
4339                                         char *wrapper_name = g_strdup_printf ("__icall_wrapper_%s", mi->name);
4340                                         nm = mono_marshal_get_icall_wrapper (mi->sig, wrapper_name, mi->func, TRUE);
4341                                 } else if (*name == 'I' && (strcmp (name, "Invoke") == 0)) {
4342                                         nm = mono_marshal_get_delegate_invoke (method, NULL);
4343                                 } else if (*name == 'B' && (strcmp (name, "BeginInvoke") == 0)) {
4344                                         nm = mono_marshal_get_delegate_begin_invoke (method);
4345                                 } else if (*name == 'E' && (strcmp (name, "EndInvoke") == 0)) {
4346                                         nm = mono_marshal_get_delegate_end_invoke (method);
4347                                 }
4348                         }
4349                         if (nm == NULL) {
4350                                 imethod->code = g_malloc(sizeof(short));
4351                                 imethod->code[0] = MINT_CALLRUN;
4352                         }
4353                 }
4354                 if (nm == NULL) {
4355                         imethod->stack_size = sizeof (stackval); /* for tracing */
4356                         imethod->alloca_size = imethod->stack_size;
4357                         imethod->transformed = TRUE;
4358                         mono_os_mutex_unlock(&calc_section);
4359                         MONO_PROFILER_RAISE (jit_done, (method, NULL));
4360                         return NULL;
4361                 }
4362                 method = nm;
4363                 header = mono_method_get_header (nm);
4364                 mono_os_mutex_unlock(&calc_section);
4365         } else if (method->klass == mono_defaults.array_class) {
4366                 if (!strcmp (method->name, "UnsafeMov") || !strcmp (method->name, "UnsafeLoad")) {
4367                         mono_os_mutex_lock (&calc_section);
4368                         if (!imethod->transformed) {
4369                                 imethod->code = g_malloc (sizeof (short));
4370                                 imethod->code[0] = MINT_CALLRUN;
4371                                 imethod->stack_size = sizeof (stackval); /* for tracing */
4372                                 imethod->alloca_size = imethod->stack_size;
4373                                 imethod->transformed = TRUE;
4374                         }
4375                         mono_os_mutex_unlock(&calc_section);
4376                         MONO_PROFILER_RAISE (jit_done, (method, NULL));
4377                         return NULL;
4378                 } else if (!strcmp (method->name, "UnsafeStore")) {
4379                         g_error ("TODO");
4380                 }
4381         }
4382         g_assert ((signature->param_count + signature->hasthis) < 1000);
4383         g_assert (header->max_stack < 10000);
4384         /* intern the strings in the method. */
4385         ip = header->code;
4386         end = ip + header->code_size;
4387
4388         is_bb_start = g_malloc0(header->code_size);
4389         is_bb_start [0] = 1;
4390         while (ip < end) {
4391                 in = *ip;
4392                 if (in == 0xfe) {
4393                         ip++;
4394                         in = *ip + 256;
4395                 }
4396                 else if (in == 0xf0) {
4397                         ip++;
4398                         in = *ip + MONO_CEE_MONO_ICALL;
4399                 }
4400                 opcode = &mono_opcodes [in];
4401                 switch (opcode->argument) {
4402                 case MonoInlineNone:
4403                         ++ip;
4404                         break;
4405                 case MonoInlineString:
4406                         if (method->wrapper_type == MONO_WRAPPER_NONE)
4407                                 mono_ldstr (domain, image, mono_metadata_token_index (read32 (ip + 1)));
4408                         ip += 5;
4409                         break;
4410                 case MonoInlineType:
4411                         if (method->wrapper_type == MONO_WRAPPER_NONE) {
4412                                 class = mini_get_class (method, read32 (ip + 1), generic_context);
4413                                 mono_class_init (class);
4414                                 /* quick fix to not do this for the fake ptr classes - probably should not be getting the vtable at all here */
4415 #if 0
4416                                 g_error ("FIXME: interface method lookup: %s (in method %s)", class->name, method->name);
4417                                 if (!(class->flags & TYPE_ATTRIBUTE_INTERFACE) && class->interface_offsets != NULL)
4418                                         mono_class_vtable (domain, class);
4419 #endif
4420                         }
4421                         ip += 5;
4422                         break;
4423                 case MonoInlineMethod:
4424                         if (method->wrapper_type == MONO_WRAPPER_NONE && *ip != CEE_CALLI) {
4425                                 m = mono_get_method_checked (image, read32 (ip + 1), NULL, generic_context, &error);
4426                                 if (!is_ok (&error)) {
4427                                         g_free (is_bb_start);
4428                                         return mono_error_convert_to_exception (&error);
4429                                 }
4430                                 mono_class_init (m->klass);
4431                                 if (!mono_class_is_interface (m->klass))
4432                                         mono_class_vtable (domain, m->klass);
4433                         }
4434                         ip += 5;
4435                         break;
4436                 case MonoInlineField:
4437                 case MonoInlineSig:
4438                 case MonoInlineI:
4439                 case MonoInlineTok:
4440                 case MonoShortInlineR:
4441                         ip += 5;
4442                         break;
4443                 case MonoInlineBrTarget:
4444                         offset = read32 (ip + 1);
4445                         ip += 5;
4446                         backwards = offset < 0;
4447                         offset += ip - header->code;
4448                         g_assert (offset >= 0 && offset < header->code_size);
4449                         is_bb_start [offset] |= backwards ? 2 : 1;
4450                         break;
4451                 case MonoShortInlineBrTarget:
4452                         offset = ((gint8 *)ip) [1];
4453                         ip += 2;
4454                         backwards = offset < 0;
4455                         offset += ip - header->code;
4456                         g_assert (offset >= 0 && offset < header->code_size);
4457                         is_bb_start [offset] |= backwards ? 2 : 1;
4458                         break;
4459                 case MonoInlineVar:
4460                         ip += 3;
4461                         break;
4462                 case MonoShortInlineVar:
4463                 case MonoShortInlineI:
4464                         ip += 2;
4465                         break;
4466                 case MonoInlineSwitch: {
4467                         guint32 n;
4468                         const unsigned char *next_ip;
4469                         ++ip;
4470                         n = read32 (ip);
4471                         ip += 4;
4472                         next_ip = ip + 4 * n;
4473                         for (i = 0; i < n; i++) {
4474                                 offset = read32 (ip);
4475                                 backwards = offset < 0;
4476                                 offset += next_ip - header->code;
4477                                 g_assert (offset >= 0 && offset < header->code_size);
4478                                 is_bb_start [offset] |= backwards ? 2 : 1;
4479                                 ip += 4;
4480                         }
4481                         break;
4482                 }
4483                 case MonoInlineR:
4484                 case MonoInlineI8:
4485                         ip += 9;
4486                         break;
4487                 default:
4488                         g_assert_not_reached ();
4489                 }
4490         }
4491         // g_printerr ("TRANSFORM(0x%016lx): end %s::%s\n", mono_thread_current (), method->klass->name, method->name);
4492
4493         /* the rest needs to be locked so it is only done once */
4494         mono_os_mutex_lock(&calc_section);
4495         if (imethod->transformed) {
4496                 mono_os_mutex_unlock(&calc_section);
4497                 g_free (is_bb_start);
4498                 MONO_PROFILER_RAISE (jit_done, (method, imethod->jinfo));
4499                 return NULL;
4500         }
4501
4502         imethod->local_offsets = g_malloc (header->num_locals * sizeof(guint32));
4503         imethod->stack_size = (sizeof (stackval)) * (header->max_stack + 2); /* + 1 for returns of called functions  + 1 for 0-ing in trace*/
4504         imethod->stack_size = (imethod->stack_size + 7) & ~7;
4505         offset = 0;
4506         for (i = 0; i < header->num_locals; ++i) {
4507                 size = mono_type_size (header->locals [i], &align);
4508                 offset += align - 1;
4509                 offset &= ~(align - 1);
4510                 imethod->local_offsets [i] = offset;
4511                 offset += size;
4512         }
4513         offset = (offset + 7) & ~7;
4514
4515         imethod->exvar_offsets = g_malloc (header->num_clauses * sizeof (guint32));
4516         for (i = 0; i < header->num_clauses; i++) {
4517                 offset += sizeof (MonoObject*);
4518                 imethod->exvar_offsets [i] = offset;
4519         }
4520         offset = (offset + 7) & ~7;
4521
4522         imethod->locals_size = offset;
4523         g_assert (imethod->locals_size < 65536);
4524         offset = 0;
4525         imethod->arg_offsets = g_malloc ((!!signature->hasthis + signature->param_count) * sizeof(guint32));
4526
4527         if (signature->hasthis) {
4528                 g_assert (!signature->pinvoke);
4529                 size = mono_type_stack_size (&method->klass->byval_arg, &align);
4530                 offset += align - 1;
4531                 offset &= ~(align - 1);
4532                 imethod->arg_offsets [0] = offset;
4533                 offset += size;
4534         }
4535
4536         for (i = 0; i < signature->param_count; ++i) {
4537                 if (signature->pinvoke) {
4538                         guint32 dummy;
4539                         size = mono_type_native_stack_size (signature->params [i], &dummy);
4540                         align = 8;
4541                 }
4542                 else
4543                         size = mono_type_stack_size (signature->params [i], &align);
4544                 offset += align - 1;
4545                 offset &= ~(align - 1);
4546                 imethod->arg_offsets [i + !!signature->hasthis] = offset;
4547                 offset += size;
4548         }
4549         offset = (offset + 7) & ~7;
4550         imethod->args_size = offset;
4551         g_assert (imethod->args_size < 10000);
4552
4553         generate (method, imethod, is_bb_start, generic_context);
4554
4555         g_free (is_bb_start);
4556
4557         // FIXME: Add a different callback ?
4558         MONO_PROFILER_RAISE (jit_done, (method, imethod->jinfo));
4559         imethod->transformed = TRUE;
4560         mono_os_mutex_unlock(&calc_section);
4561
4562         return NULL;
4563 }
4564