mono/mini/interp/interp.c

   1 /**
   2  * \file
   3  * PLEASE NOTE: This is a research prototype.
   4  *
   5  *
   6  * interp.c: Interpreter for CIL byte codes
   7  *
   8  * Authors:
   9  *   Paolo Molaro (lupus@ximian.com)
  10  *   Miguel de Icaza (miguel@ximian.com)
  11  *   Dietmar Maurer (dietmar@ximian.com)
  12  *
  13  * (C) 2001, 2002 Ximian, Inc.
  14  */
  15 #ifndef __USE_ISOC99
  16 #define __USE_ISOC99
  17 #endif
  18 #include "config.h"
  19 #include <stdio.h>
  20 #include <string.h>
  21 #include <stdlib.h>
  22 #include <glib.h>
  23 #include <setjmp.h>
  24 #include <signal.h>
  25 #include <math.h>
  26 #include <locale.h>
  27
  28 #include <mono/utils/gc_wrapper.h>
  29
  30 #ifdef HAVE_ALLOCA_H
  31 #   include <alloca.h>
  32 #else
  33 #   ifdef __CYGWIN__
  34 #      define alloca __builtin_alloca
  35 #   endif
  36 #endif
  37
  38 /* trim excessive headers */
  39 #include <mono/metadata/image.h>
  40 #include <mono/metadata/assembly-internals.h>
  41 #include <mono/metadata/cil-coff.h>
  42 #include <mono/metadata/mono-endian.h>
  43 #include <mono/metadata/tabledefs.h>
  44 #include <mono/metadata/tokentype.h>
  45 #include <mono/metadata/loader.h>
  46 #include <mono/metadata/threads.h>
  47 #include <mono/metadata/threadpool.h>
  48 #include <mono/metadata/profiler-private.h>
  49 #include <mono/metadata/appdomain.h>
  50 #include <mono/metadata/reflection.h>
  51 #include <mono/metadata/reflection-internals.h>
  52 #include <mono/metadata/exception.h>
  53 #include <mono/metadata/verify.h>
  54 #include <mono/metadata/opcodes.h>
  55 #include <mono/metadata/debug-helpers.h>
  56 #include <mono/metadata/mono-config.h>
  57 #include <mono/metadata/marshal.h>
  58 #include <mono/metadata/environment.h>
  59 #include <mono/metadata/mono-debug.h>
  60 #include <mono/utils/atomic.h>
  61
  62 #include "interp.h"
  63 #include "interp-internals.h"
  64 #include "mintops.h"
  65 #include "hacks.h"
  66
  67 #include <mono/mini/mini.h>
  68 #include <mono/mini/jit-icalls.h>
  69 #include <mono/mini/debugger-agent.h>
  70
  71 #ifdef TARGET_ARM
  72 #include <mono/mini/mini-arm.h>
  73 #endif
  74
  75 /* Mingw 2.1 doesnt need this any more, but leave it in for now for older versions */
  76 #ifdef _WIN32
  77 #define isnan _isnan
  78 #define finite _finite
  79 #endif
  80 #ifndef HAVE_FINITE
  81 #ifdef HAVE_ISFINITE
  82 #define finite isfinite
  83 #endif
  84 #endif
  85
  86 static inline void
  87 init_frame (MonoInvocation *frame, MonoInvocation *parent_frame, RuntimeMethod *rmethod, stackval *method_args, stackval *method_retval)
  88 {
  89         frame->parent = parent_frame;
  90         frame->stack_args = method_args;
  91         frame->retval = method_retval;
  92         frame->runtime_method = rmethod;
  93         frame->ex = NULL;
  94         frame->ip = NULL;
  95         frame->invoke_trap = 0;
  96 }
  97
  98 #define INIT_FRAME(frame,parent_frame,method_args,method_retval,domain,mono_method,error) do { \
  99         RuntimeMethod *_rmethod = mono_interp_get_runtime_method ((domain), (mono_method), (error));    \
 100         init_frame ((frame), (parent_frame), _rmethod, (method_args), (method_retval)); \
 101         } while (0)
 102
 103 /*
 104  * List of classes whose methods will be executed by transitioning to JITted code.
 105  * Used for testing.
 106  */
 107 GSList *jit_classes;
 108 /* If TRUE, interpreted code will be interrupted at function entry/backward branches */
 109 static gboolean ss_enabled;
 110
 111 void ves_exec_method (MonoInvocation *frame);
 112
 113 static char* dump_frame (MonoInvocation *inv);
 114 static MonoArray *get_trace_ips (MonoDomain *domain, MonoInvocation *top);
 115 static void ves_exec_method_with_context (MonoInvocation *frame, ThreadContext *context, unsigned short *start_with_ip, MonoException *filter_exception, int exit_at_finally);
 116
 117 typedef void (*ICallMethod) (MonoInvocation *frame);
 118
 119 static guint32 die_on_exception = 0;
 120 static MonoNativeTlsKey thread_context_id;
 121
 122 static char* dump_args (MonoInvocation *inv);
 123
 124 #define DEBUG_INTERP 0
 125 #define COUNT_OPS 0
 126 #if DEBUG_INTERP
 127 int mono_interp_traceopt = 2;
 128 /* If true, then we output the opcodes as we interpret them */
 129 static int global_tracing = 2;
 130
 131 static int debug_indent_level = 0;
 132
 133 static int break_on_method = 0;
 134 static int nested_trace = 0;
 135 static GList *db_methods = NULL;
 136
 137 static void
 138 output_indent (void)
 139 {
 140         int h;
 141
 142         for (h = 0; h < debug_indent_level; h++)
 143                 g_print ("  ");
 144 }
 145
 146 static void
 147 db_match_method (gpointer data, gpointer user_data)
 148 {
 149         MonoMethod *m = (MonoMethod*)user_data;
 150         MonoMethodDesc *desc = data;
 151
 152         if (mono_method_desc_full_match (desc, m))
 153                 break_on_method = 1;
 154 }
 155
 156 static void
 157 debug_enter (MonoInvocation *frame, int *tracing)
 158 {
 159         if (db_methods) {
 160                 g_list_foreach (db_methods, db_match_method, (gpointer)frame->runtime_method->method);
 161                 if (break_on_method)
 162                         *tracing = nested_trace ? (global_tracing = 2, 3) : 2;
 163                 break_on_method = 0;
 164         }
 165         if (*tracing) {
 166                 MonoMethod *method = frame->runtime_method->method;
 167                 char *mn, *args = dump_args (frame);
 168                 debug_indent_level++;
 169                 output_indent ();
 170                 mn = mono_method_full_name (method, FALSE);
 171                 g_print ("(%p) Entering %s (", mono_thread_internal_current (), mn);
 172                 g_free (mn);
 173                 g_print  ("%s)\n", args);
 174                 g_free (args);
 175         }
 176         if (mono_profiler_events & MONO_PROFILE_ENTER_LEAVE)
 177                 mono_profiler_method_enter (frame->runtime_method->method);
 178 }
 179
 180
 181 #define DEBUG_LEAVE()   \
 182         if (tracing) {  \
 183                 char *mn, *args;        \
 184                 args = dump_retval (frame);     \
 185                 output_indent ();       \
 186                 mn = mono_method_full_name (frame->runtime_method->method, FALSE); \
 187                 g_print  ("(%p) Leaving %s", mono_thread_internal_current (),  mn);     \
 188                 g_free (mn); \
 189                 g_print  (" => %s\n", args);    \
 190                 g_free (args);  \
 191                 debug_indent_level--;   \
 192                 if (tracing == 3) global_tracing = 0; \
 193         }       \
 194         if (mono_profiler_events & MONO_PROFILE_ENTER_LEAVE)    \
 195                 mono_profiler_method_leave (frame->runtime_method->method);
 196
 197 #else
 198
 199 int mono_interp_traceopt = 0;
 200 static void debug_enter (MonoInvocation *frame, int *tracing)
 201 {
 202 }
 203 #define DEBUG_LEAVE()
 204
 205 #endif
 206
 207 /* Set the current execution state to the resume state in context */
 208 #define SET_RESUME_STATE(context) do { \
 209                 ip = (context)->handler_ip;                                             \
 210                 if (frame->ex) { \
 211                 sp->data.p = frame->ex;                                                                                 \
 212                 ++sp;                                                                                                                   \
 213                 } \
 214                 frame->ex = NULL;                                                                                               \
 215                 (context)->has_resume_state = 0;                                                                \
 216                 (context)->handler_frame = NULL;                                                                \
 217                 goto main_loop;                                                                                                 \
 218         } while (0)
 219
 220 static void
 221 set_context (ThreadContext *context)
 222 {
 223         MonoJitTlsData *jit_tls;
 224
 225         mono_native_tls_set_value (thread_context_id, context);
 226         jit_tls = mono_tls_get_jit_tls ();
 227         if (jit_tls)
 228                 jit_tls->interp_context = context;
 229 }
 230
 231 static void
 232 ves_real_abort (int line, MonoMethod *mh,
 233                 const unsigned short *ip, stackval *stack, stackval *sp)
 234 {
 235         MonoError error;
 236         fprintf (stderr, "Execution aborted in method: %s::%s\n", mh->klass->name, mh->name);
 237         fprintf (stderr, "Line=%d IP=0x%04lx, Aborted execution\n", line,
 238                  ip-(const unsigned short *)mono_method_get_header_checked (mh, &error)->code);
 239                 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
 240         g_print ("0x%04x %02x\n",
 241                  ip-(const unsigned short *)mono_method_get_header_checked (mh, &error)->code, *ip);
 242         mono_error_cleanup (&error); /* FIXME: don't swallow the error */
 243         if (sp > stack)
 244                 printf ("\t[%ld] 0x%08x %0.5f\n", sp-stack, sp[-1].data.i, sp[-1].data.f);
 245 }
 246
 247 #define ves_abort() \
 248         do {\
 249                 ves_real_abort(__LINE__, frame->runtime_method->method, ip, frame->stack, sp); \
 250                 THROW_EX (mono_get_exception_execution_engine (NULL), ip); \
 251         } while (0);
 252
 253 static RuntimeMethod*
 254 lookup_runtime_method (MonoDomain *domain, MonoMethod *method)
 255 {
 256         RuntimeMethod *rtm;
 257         MonoJitDomainInfo *info;
 258
 259         info = domain_jit_info (domain);
 260         mono_domain_jit_code_hash_lock (domain);
 261         rtm = mono_internal_hash_table_lookup (&info->interp_code_hash, method);
 262         mono_domain_jit_code_hash_unlock (domain);
 263         return rtm;
 264 }
 265
 266 RuntimeMethod*
 267 mono_interp_get_runtime_method (MonoDomain *domain, MonoMethod *method, MonoError *error)
 268 {
 269         RuntimeMethod *rtm;
 270         MonoJitDomainInfo *info;
 271         MonoMethodSignature *sig;
 272         int i;
 273
 274         error_init (error);
 275
 276         info = domain_jit_info (domain);
 277         mono_domain_jit_code_hash_lock (domain);
 278         rtm = mono_internal_hash_table_lookup (&info->interp_code_hash, method);
 279         mono_domain_jit_code_hash_unlock (domain);
 280         if (rtm)
 281                 return rtm;
 282
 283         sig = mono_method_signature (method);
 284
 285         rtm = mono_domain_alloc0 (domain, sizeof (RuntimeMethod));
 286         rtm->method = method;
 287         rtm->param_count = sig->param_count;
 288         rtm->hasthis = sig->hasthis;
 289         rtm->rtype = mini_get_underlying_type (sig->ret);
 290         rtm->param_types = mono_domain_alloc0 (domain, sizeof (MonoType*) * sig->param_count);
 291         for (i = 0; i < sig->param_count; ++i)
 292                 rtm->param_types [i] = mini_get_underlying_type (sig->params [i]);
 293
 294         mono_domain_jit_code_hash_lock (domain);
 295         if (!mono_internal_hash_table_lookup (&info->interp_code_hash, method))
 296                 mono_internal_hash_table_insert (&info->interp_code_hash, method, rtm);
 297         mono_domain_jit_code_hash_unlock (domain);
 298
 299         return rtm;
 300 }
 301
 302 gpointer
 303 mono_interp_create_trampoline (MonoDomain *domain, MonoMethod *method, MonoError *error)
 304 {
 305         if (method->iflags & METHOD_IMPL_ATTRIBUTE_SYNCHRONIZED)
 306                 method = mono_marshal_get_synchronized_wrapper (method);
 307         return mono_interp_get_runtime_method (domain, method, error);
 308 }
 309
 310 /*
 311  * interp_push_lmf:
 312  *
 313  * Push an LMF frame on the LMF stack
 314  * to mark the transition to native code.
 315  * This is needed for the native code to
 316  * be able to do stack walks.
 317  */
 318 static void
 319 interp_push_lmf (MonoLMFExt *ext, MonoInvocation *frame)
 320 {
 321         memset (ext, 0, sizeof (MonoLMFExt));
 322         ext->interp_exit = TRUE;
 323         ext->interp_exit_data = frame;
 324
 325         mono_push_lmf (ext);
 326 }
 327
 328 static void
 329 interp_pop_lmf (MonoLMFExt *ext)
 330 {
 331         mono_pop_lmf (&ext->lmf);
 332 }
 333
 334 static inline RuntimeMethod*
 335 get_virtual_method (MonoDomain *domain, RuntimeMethod *runtime_method, MonoObject *obj)
 336 {
 337         MonoMethod *m = runtime_method->method;
 338         MonoError error;
 339
 340         if ((m->flags & METHOD_ATTRIBUTE_FINAL) || !(m->flags & METHOD_ATTRIBUTE_VIRTUAL)) {
 341                 RuntimeMethod *ret = NULL;
 342 #ifndef DISABLE_REMOTING
 343                 if (mono_object_is_transparent_proxy (obj)) {
 344                         ret = mono_interp_get_runtime_method (domain, mono_marshal_get_remoting_invoke (m), &error);
 345                         mono_error_cleanup (&error); /* FIXME: don't swallow the error */
 346                 } else
 347 #endif
 348                 if (m->iflags & METHOD_IMPL_ATTRIBUTE_SYNCHRONIZED) {
 349                         ret = mono_interp_get_runtime_method (domain, mono_marshal_get_synchronized_wrapper (m), &error);
 350                         mono_error_cleanup (&error); /* FIXME: don't swallow the error */
 351                 } else {
 352                         ret = runtime_method;
 353                 }
 354                 return ret;
 355         }
 356
 357         mono_class_setup_vtable (obj->vtable->klass);
 358
 359         int slot = mono_method_get_vtable_slot (m);
 360         if (mono_class_is_interface (m->klass)) {
 361                 g_assert (obj->vtable->klass != m->klass);
 362                 /* TODO: interface offset lookup is slow, go through IMT instead */
 363                 gboolean non_exact_match;
 364                 slot += mono_class_interface_offset_with_variance (obj->vtable->klass, m->klass, &non_exact_match);
 365         }
 366
 367         MonoMethod *virtual_method = obj->vtable->klass->vtable [slot];
 368         if (m->is_inflated && mono_method_get_context (m)->method_inst) {
 369                 MonoGenericContext context = { NULL, NULL };
 370
 371                 if (mono_class_is_ginst (virtual_method->klass))
 372                         context.class_inst = mono_class_get_generic_class (virtual_method->klass)->context.class_inst;
 373                 else if (mono_class_is_gtd (virtual_method->klass))
 374                         context.class_inst = mono_class_get_generic_container (virtual_method->klass)->context.class_inst;
 375                 context.method_inst = mono_method_get_context (m)->method_inst;
 376
 377                 virtual_method = mono_class_inflate_generic_method_checked (virtual_method, &context, &error);
 378                 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
 379         }
 380
 381         if (virtual_method->iflags & METHOD_IMPL_ATTRIBUTE_SYNCHRONIZED) {
 382                 virtual_method = mono_marshal_get_synchronized_wrapper (virtual_method);
 383         }
 384
 385         RuntimeMethod *virtual_runtime_method = mono_interp_get_runtime_method (domain, virtual_method, &error);
 386         mono_error_cleanup (&error); /* FIXME: don't swallow the error */
 387         return virtual_runtime_method;
 388 }
 389
 390 static void inline
 391 stackval_from_data (MonoType *type, stackval *result, char *data, gboolean pinvoke)
 392 {
 393         if (type->byref) {
 394                 switch (type->type) {
 395                 case MONO_TYPE_OBJECT:
 396                 case MONO_TYPE_CLASS:
 397                 case MONO_TYPE_STRING:
 398                 case MONO_TYPE_ARRAY:
 399                 case MONO_TYPE_SZARRAY:
 400                         break;
 401                 default:
 402                         break;
 403                 }
 404                 result->data.p = *(gpointer*)data;
 405                 return;
 406         }
 407         switch (type->type) {
 408         case MONO_TYPE_VOID:
 409                 return;
 410         case MONO_TYPE_I1:
 411                 result->data.i = *(gint8*)data;
 412                 return;
 413         case MONO_TYPE_U1:
 414         case MONO_TYPE_BOOLEAN:
 415                 result->data.i = *(guint8*)data;
 416                 return;
 417         case MONO_TYPE_I2:
 418                 result->data.i = *(gint16*)data;
 419                 return;
 420         case MONO_TYPE_U2:
 421         case MONO_TYPE_CHAR:
 422                 result->data.i = *(guint16*)data;
 423                 return;
 424         case MONO_TYPE_I4:
 425                 result->data.i = *(gint32*)data;
 426                 return;
 427         case MONO_TYPE_U:
 428         case MONO_TYPE_I:
 429                 result->data.nati = *(mono_i*)data;
 430                 return;
 431         case MONO_TYPE_PTR:
 432                 result->data.p = *(gpointer*)data;
 433                 return;
 434         case MONO_TYPE_U4:
 435                 result->data.i = *(guint32*)data;
 436                 return;
 437         case MONO_TYPE_R4: {
 438                 float tmp;
 439                 /* memmove handles unaligned case */
 440                 memmove (&tmp, data, sizeof (float));
 441                 result->data.f = tmp;
 442                 return;
 443     }
 444         case MONO_TYPE_I8:
 445         case MONO_TYPE_U8:
 446                 memmove (&result->data.l, data, sizeof (gint64));
 447                 return;
 448         case MONO_TYPE_R8:
 449                 memmove (&result->data.f, data, sizeof (double));
 450                 return;
 451         case MONO_TYPE_STRING:
 452         case MONO_TYPE_SZARRAY:
 453         case MONO_TYPE_CLASS:
 454         case MONO_TYPE_OBJECT:
 455         case MONO_TYPE_ARRAY:
 456                 result->data.p = *(gpointer*)data;
 457                 return;
 458         case MONO_TYPE_VALUETYPE:
 459                 if (type->data.klass->enumtype) {
 460                         stackval_from_data (mono_class_enum_basetype (type->data.klass), result, data, pinvoke);
 461                         return;
 462                 } else
 463                         mono_value_copy (result->data.vt, data, type->data.klass);
 464                 return;
 465         case MONO_TYPE_GENERICINST: {
 466                 if (mono_type_generic_inst_is_valuetype (type)) {
 467                         mono_value_copy (result->data.vt, data, mono_class_from_mono_type (type));
 468                         return;
 469                 }
 470                 stackval_from_data (&type->data.generic_class->container_class->byval_arg, result, data, pinvoke);
 471                 return;
 472         }
 473         default:
 474                 g_warning ("got type 0x%02x", type->type);
 475                 g_assert_not_reached ();
 476         }
 477 }
 478
 479 static void inline
 480 stackval_to_data (MonoType *type, stackval *val, char *data, gboolean pinvoke)
 481 {
 482         if (type->byref) {
 483                 gpointer *p = (gpointer*)data;
 484                 *p = val->data.p;
 485                 return;
 486         }
 487         /* printf ("TODAT0 %p\n", data); */
 488         switch (type->type) {
 489         case MONO_TYPE_I1:
 490         case MONO_TYPE_U1: {
 491                 guint8 *p = (guint8*)data;
 492                 *p = val->data.i;
 493                 return;
 494         }
 495         case MONO_TYPE_BOOLEAN: {
 496                 guint8 *p = (guint8*)data;
 497                 *p = (val->data.i != 0);
 498                 return;
 499         }
 500         case MONO_TYPE_I2:
 501         case MONO_TYPE_U2:
 502         case MONO_TYPE_CHAR: {
 503                 guint16 *p = (guint16*)data;
 504                 *p = val->data.i;
 505                 return;
 506         }
 507         case MONO_TYPE_I: {
 508                 mono_i *p = (mono_i*)data;
 509                 /* In theory the value used by stloc should match the local var type
 510                    but in practice it sometimes doesn't (a int32 gets dup'd and stloc'd into
 511                    a native int - both by csc and mcs). Not sure what to do about sign extension
 512                    as it is outside the spec... doing the obvious */
 513                 *p = (mono_i)val->data.nati;
 514                 return;
 515         }
 516         case MONO_TYPE_U: {
 517                 mono_u *p = (mono_u*)data;
 518                 /* see above. */
 519                 *p = (mono_u)val->data.nati;
 520                 return;
 521         }
 522         case MONO_TYPE_I4:
 523         case MONO_TYPE_U4: {
 524                 gint32 *p = (gint32*)data;
 525                 *p = val->data.i;
 526                 return;
 527         }
 528         case MONO_TYPE_I8:
 529         case MONO_TYPE_U8: {
 530                 gint64 *p = (gint64*)data;
 531                 *p = val->data.l;
 532                 return;
 533         }
 534         case MONO_TYPE_R4: {
 535                 float *p = (float*)data;
 536                 *p = val->data.f;
 537                 return;
 538         }
 539         case MONO_TYPE_R8: {
 540                 double *p = (double*)data;
 541                 *p = val->data.f;
 542                 return;
 543         }
 544         case MONO_TYPE_STRING:
 545         case MONO_TYPE_SZARRAY:
 546         case MONO_TYPE_CLASS:
 547         case MONO_TYPE_OBJECT:
 548         case MONO_TYPE_ARRAY: {
 549                 gpointer *p = (gpointer *) data;
 550                 mono_gc_wbarrier_generic_store (p, val->data.p);
 551                 return;
 552         }
 553         case MONO_TYPE_PTR: {
 554                 gpointer *p = (gpointer *) data;
 555                 *p = val->data.p;
 556                 return;
 557         }
 558         case MONO_TYPE_VALUETYPE:
 559                 if (type->data.klass->enumtype) {
 560                         stackval_to_data (mono_class_enum_basetype (type->data.klass), val, data, pinvoke);
 561                         return;
 562                 } else
 563                         mono_value_copy (data, val->data.vt, type->data.klass);
 564                 return;
 565         case MONO_TYPE_GENERICINST: {
 566                 MonoClass *container_class = type->data.generic_class->container_class;
 567
 568                 if (container_class->valuetype && !container_class->enumtype) {
 569                         mono_value_copy (data, val->data.vt, mono_class_from_mono_type (type));
 570                         return;
 571                 }
 572                 stackval_to_data (&type->data.generic_class->container_class->byval_arg, val, data, pinvoke);
 573                 return;
 574         }
 575         default:
 576                 g_warning ("got type %x", type->type);
 577                 g_assert_not_reached ();
 578         }
 579 }
 580
 581 static void
 582 fill_in_trace (MonoException *exception, MonoInvocation *frame)
 583 {
 584         MonoError error;
 585         char *stack_trace = dump_frame (frame);
 586         MonoDomain *domain = mono_domain_get();
 587         (exception)->stack_trace = mono_string_new_checked (domain, stack_trace, &error);
 588         mono_error_cleanup (&error); /* FIXME: don't swallow the error */
 589         (exception)->trace_ips = get_trace_ips (domain, frame);
 590         g_free (stack_trace);
 591 }
 592
 593 #define FILL_IN_TRACE(exception, frame) fill_in_trace(exception, frame)
 594
 595 #define THROW_EX(exception,ex_ip)       \
 596         do {\
 597                 frame->ip = (ex_ip);            \
 598                 frame->ex = (MonoException*)(exception);        \
 599                 FILL_IN_TRACE(frame->ex, frame); \
 600                 goto handle_exception;  \
 601         } while (0)
 602
 603 static MonoObject*
 604 ves_array_create (MonoInvocation *frame, MonoDomain *domain, MonoClass *klass, MonoMethodSignature *sig, stackval *values)
 605 {
 606         uintptr_t *lengths;
 607         intptr_t *lower_bounds;
 608         MonoObject *obj;
 609         MonoError error;
 610         int i;
 611
 612         lengths = alloca (sizeof (uintptr_t) * klass->rank * 2);
 613         for (i = 0; i < sig->param_count; ++i) {
 614                 lengths [i] = values->data.i;
 615                 values ++;
 616         }
 617         if (klass->rank == sig->param_count) {
 618                 /* Only lengths provided. */
 619                 lower_bounds = NULL;
 620         } else {
 621                 /* lower bounds are first. */
 622                 lower_bounds = (intptr_t *) lengths;
 623                 lengths += klass->rank;
 624         }
 625         obj = (MonoObject*) mono_array_new_full_checked (domain, klass, lengths, lower_bounds, &error);
 626         if (!mono_error_ok (&error)) {
 627                 frame->ex = mono_error_convert_to_exception (&error);
 628                 FILL_IN_TRACE (frame->ex, frame);
 629         }
 630         mono_error_cleanup (&error); /* FIXME: don't swallow the error */
 631         return obj;
 632 }
 633
 634 static gint32
 635 ves_array_calculate_index (MonoArray *ao, stackval *sp, MonoInvocation *frame, gboolean safe)
 636 {
 637         g_assert (!frame->ex);
 638         MonoClass *ac = ((MonoObject *) ao)->vtable->klass;
 639
 640         guint32 pos = 0;
 641         if (ao->bounds) {
 642                 for (gint32 i = 0; i < ac->rank; i++) {
 643                         guint32 idx = sp [i].data.i;
 644                         guint32 lower = ao->bounds [i].lower_bound;
 645                         guint32 len = ao->bounds [i].length;
 646                         if (safe && (idx < lower || (idx - lower) >= len)) {
 647                                 frame->ex = mono_get_exception_index_out_of_range ();
 648                                 FILL_IN_TRACE (frame->ex, frame);
 649                                 return -1;
 650                         }
 651                         pos = (pos * len) + idx - lower;
 652                 }
 653         } else {
 654                 pos = sp [0].data.i;
 655                 if (safe && pos >= ao->max_length) {
 656                         frame->ex = mono_get_exception_index_out_of_range ();
 657                         FILL_IN_TRACE (frame->ex, frame);
 658                         return -1;
 659                 }
 660         }
 661         return pos;
 662 }
 663
 664 static void
 665 ves_array_set (MonoInvocation *frame)
 666 {
 667         stackval *sp = frame->stack_args + 1;
 668
 669         MonoObject *o = frame->stack_args->data.p;
 670         MonoArray *ao = (MonoArray *) o;
 671         MonoClass *ac = o->vtable->klass;
 672
 673         g_assert (ac->rank >= 1);
 674
 675         gint32 pos = ves_array_calculate_index (ao, sp, frame, TRUE);
 676         if (frame->ex)
 677                 return;
 678
 679         if (sp [ac->rank].data.p && !mono_object_class (o)->element_class->valuetype) {
 680                 MonoError error;
 681                 MonoObject *isinst = mono_object_isinst_checked (sp [ac->rank].data.p, mono_object_class (o)->element_class, &error);
 682                 mono_error_cleanup (&error);
 683                 if (!isinst) {
 684                         frame->ex = mono_get_exception_array_type_mismatch ();
 685                         FILL_IN_TRACE (frame->ex, frame);
 686                         return;
 687                 }
 688         }
 689
 690         gint32 esize = mono_array_element_size (ac);
 691         gpointer ea = mono_array_addr_with_size (ao, esize, pos);
 692
 693         MonoType *mt = mono_method_signature (frame->runtime_method->method)->params [ac->rank];
 694         stackval_to_data (mt, &sp [ac->rank], ea, FALSE);
 695 }
 696
 697 static void
 698 ves_array_get (MonoInvocation *frame, gboolean safe)
 699 {
 700         stackval *sp = frame->stack_args + 1;
 701
 702         MonoObject *o = frame->stack_args->data.p;
 703         MonoArray *ao = (MonoArray *) o;
 704         MonoClass *ac = o->vtable->klass;
 705
 706         g_assert (ac->rank >= 1);
 707
 708         gint32 pos = ves_array_calculate_index (ao, sp, frame, safe);
 709         if (frame->ex)
 710                 return;
 711
 712         gint32 esize = mono_array_element_size (ac);
 713         gpointer ea = mono_array_addr_with_size (ao, esize, pos);
 714
 715         MonoType *mt = mono_method_signature (frame->runtime_method->method)->ret;
 716         stackval_from_data (mt, frame->retval, ea, FALSE);
 717 }
 718
 719 static gpointer
 720 ves_array_element_address (MonoInvocation *frame, MonoClass *required_type, MonoArray *ao, stackval *sp, gboolean needs_typecheck)
 721 {
 722         MonoClass *ac = ((MonoObject *) ao)->vtable->klass;
 723
 724         g_assert (ac->rank >= 1);
 725
 726         gint32 pos = ves_array_calculate_index (ao, sp, frame, TRUE);
 727         if (frame->ex)
 728                 return NULL;
 729
 730         if (needs_typecheck && !mono_class_is_assignable_from (mono_object_class ((MonoObject *) ao)->element_class, required_type->element_class)) {
 731                 frame->ex = mono_get_exception_array_type_mismatch ();
 732                 FILL_IN_TRACE (frame->ex, frame);
 733                 return NULL;
 734         }
 735         gint32 esize = mono_array_element_size (ac);
 736         return mono_array_addr_with_size (ao, esize, pos);
 737 }
 738
 739 void
 740 interp_walk_stack_with_ctx (MonoInternalStackWalk func, MonoContext *ctx, MonoUnwindOptions options, void *user_data)
 741 {
 742         MonoError error;
 743         ThreadContext *context = mono_native_tls_get_value (thread_context_id);
 744
 745         if (!context)
 746                 return;
 747
 748         MonoInvocation *frame = context->current_frame;
 749
 750         while (frame) {
 751                 MonoStackFrameInfo fi;
 752                 memset (&fi, 0, sizeof (MonoStackFrameInfo));
 753
 754                 /* TODO: hack to make some asserts happy. */
 755                 fi.ji = (MonoJitInfo *) frame->runtime_method;
 756
 757                 if (frame->runtime_method)
 758                         fi.method = fi.actual_method = frame->runtime_method->method;
 759
 760                 if (!fi.method || (fi.method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) || (fi.method->iflags & (METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL | METHOD_IMPL_ATTRIBUTE_RUNTIME))) {
 761                         fi.il_offset = -1;
 762                         fi.type = FRAME_TYPE_MANAGED_TO_NATIVE;
 763                 } else {
 764                         MonoMethodHeader *hd = mono_method_get_header_checked (fi.method, &error);
 765                         mono_error_cleanup (&error); /* FIXME: don't swallow the error */
 766                         fi.type = FRAME_TYPE_MANAGED;
 767                         fi.il_offset = frame->ip - (const unsigned short *) hd->code;
 768                         if (!fi.method->wrapper_type)
 769                                 fi.managed = TRUE;
 770                 }
 771
 772                 if (func (&fi, ctx, user_data))
 773                         return;
 774                 frame = frame->parent;
 775         }
 776 }
 777
 778 static MonoPIFunc mono_interp_enter_icall_trampoline = NULL;
 779
 780 static InterpMethodArguments* build_args_from_sig (MonoMethodSignature *sig, MonoInvocation *frame)
 781 {
 782         InterpMethodArguments *margs = g_malloc0 (sizeof (InterpMethodArguments));
 783
 784 #ifdef TARGET_ARM
 785         g_assert (mono_arm_eabi_supported ());
 786         int i8_align = mono_arm_i8_align ();
 787 #endif
 788
 789         if (sig->hasthis)
 790                 margs->ilen++;
 791
 792         for (int i = 0; i < sig->param_count; i++) {
 793                 guint32 ptype = sig->params [i]->byref ? MONO_TYPE_PTR : sig->params [i]->type;
 794                 switch (ptype) {
 795                 case MONO_TYPE_BOOLEAN:
 796                 case MONO_TYPE_CHAR:
 797                 case MONO_TYPE_I1:
 798                 case MONO_TYPE_U1:
 799                 case MONO_TYPE_I2:
 800                 case MONO_TYPE_U2:
 801                 case MONO_TYPE_I4:
 802                 case MONO_TYPE_U4:
 803                 case MONO_TYPE_I:
 804                 case MONO_TYPE_U:
 805                 case MONO_TYPE_PTR:
 806                 case MONO_TYPE_SZARRAY:
 807                 case MONO_TYPE_CLASS:
 808                 case MONO_TYPE_OBJECT:
 809                 case MONO_TYPE_STRING:
 810                 case MONO_TYPE_VALUETYPE:
 811                 case MONO_TYPE_GENERICINST:
 812 #if SIZEOF_VOID_P == 8
 813                 case MONO_TYPE_I8:
 814 #endif
 815                         margs->ilen++;
 816                         break;
 817 #if SIZEOF_VOID_P == 4
 818                 case MONO_TYPE_I8:
 819 #ifdef TARGET_ARM
 820                         /* pairs begin at even registers */
 821                         if (i8_align == 8 && margs->ilen & 1)
 822                                 margs->ilen++;
 823 #endif
 824                         margs->ilen += 2;
 825                         break;
 826 #endif
 827                 case MONO_TYPE_R4:
 828 #if SIZEOF_VOID_P == 8
 829                 case MONO_TYPE_R8:
 830 #endif
 831                         margs->flen++;
 832                         break;
 833 #if SIZEOF_VOID_P == 4
 834                 case MONO_TYPE_R8:
 835                         margs->flen += 2;
 836                         break;
 837 #endif
 838                 default:
 839                         g_error ("build_args_from_sig: not implemented yet (1): 0x%x\n", ptype);
 840                 }
 841         }
 842
 843         if (margs->ilen > 0)
 844                 margs->iargs = g_malloc0 (sizeof (gpointer) * margs->ilen);
 845
 846         if (margs->flen > 0)
 847                 margs->fargs = g_malloc0 (sizeof (double) * margs->flen);
 848
 849         if (margs->ilen > INTERP_ICALL_TRAMP_IARGS)
 850                 g_error ("build_args_from_sig: TODO, allocate gregs: %d\n", margs->ilen);
 851
 852         if (margs->flen > INTERP_ICALL_TRAMP_FARGS)
 853                 g_error ("build_args_from_sig: TODO, allocate fregs: %d\n", margs->flen);
 854
 855
 856         size_t int_i = 0;
 857         size_t int_f = 0;
 858
 859         if (sig->hasthis) {
 860                 margs->iargs [0] = frame->stack_args->data.p;
 861                 int_i++;
 862         }
 863
 864         for (int i = 0; i < sig->param_count; i++) {
 865                 guint32 ptype = sig->params [i]->byref ? MONO_TYPE_PTR : sig->params [i]->type;
 866                 switch (ptype) {
 867                 case MONO_TYPE_BOOLEAN:
 868                 case MONO_TYPE_CHAR:
 869                 case MONO_TYPE_I1:
 870                 case MONO_TYPE_U1:
 871                 case MONO_TYPE_I2:
 872                 case MONO_TYPE_U2:
 873                 case MONO_TYPE_I4:
 874                 case MONO_TYPE_U4:
 875                 case MONO_TYPE_I:
 876                 case MONO_TYPE_U:
 877                 case MONO_TYPE_PTR:
 878                 case MONO_TYPE_SZARRAY:
 879                 case MONO_TYPE_CLASS:
 880                 case MONO_TYPE_OBJECT:
 881                 case MONO_TYPE_STRING:
 882                 case MONO_TYPE_VALUETYPE:
 883                 case MONO_TYPE_GENERICINST:
 884 #if SIZEOF_VOID_P == 8
 885                 case MONO_TYPE_I8:
 886 #endif
 887                         margs->iargs [int_i] = frame->stack_args [i].data.p;
 888 #if DEBUG_INTERP
 889                         g_print ("build_args_from_sig: margs->iargs [%d]: %p (frame @ %d)\n", int_i, margs->iargs [int_i], i);
 890 #endif
 891                         int_i++;
 892                         break;
 893 #if SIZEOF_VOID_P == 4
 894                 case MONO_TYPE_I8: {
 895                         stackval *sarg = &frame->stack_args [i];
 896 #ifdef TARGET_ARM
 897                         /* pairs begin at even registers */
 898                         if (i8_align == 8 && int_i & 1)
 899                                 int_i++;
 900 #endif
 901                         margs->iargs [int_i] = (gpointer) sarg->data.pair.lo;
 902                         int_i++;
 903                         margs->iargs [int_i] = (gpointer) sarg->data.pair.hi;
 904 #if DEBUG_INTERP
 905                         g_print ("build_args_from_sig: margs->iargs [%d/%d]: 0x%016llx, hi=0x%08x lo=0x%08x (frame @ %d)\n", int_i - 1, int_i, *((guint64 *) &margs->iargs [int_i - 1]), sarg->data.pair.hi, sarg->data.pair.lo, i);
 906 #endif
 907                         int_i++;
 908                         break;
 909                 }
 910 #endif
 911                 case MONO_TYPE_R4:
 912                 case MONO_TYPE_R8:
 913                         if (ptype == MONO_TYPE_R4)
 914                                 * (float *) &(margs->fargs [int_f]) = (float) frame->stack_args [i].data.f;
 915                         else
 916                                 margs->fargs [int_f] = frame->stack_args [i].data.f;
 917 #if DEBUG_INTERP
 918                         g_print ("build_args_from_sig: margs->fargs [%d]: %p (%f) (frame @ %d)\n", int_f, margs->fargs [int_f], margs->fargs [int_f], i);
 919 #endif
 920 #if SIZEOF_VOID_P == 4
 921                         int_f += 2;
 922 #else
 923                         int_f++;
 924 #endif
 925                         break;
 926                 default:
 927                         g_error ("build_args_from_sig: not implemented yet (2): 0x%x\n", ptype);
 928                 }
 929         }
 930
 931         switch (sig->ret->type) {
 932                 case MONO_TYPE_BOOLEAN:
 933                 case MONO_TYPE_CHAR:
 934                 case MONO_TYPE_I1:
 935                 case MONO_TYPE_U1:
 936                 case MONO_TYPE_I2:
 937                 case MONO_TYPE_U2:
 938                 case MONO_TYPE_I4:
 939                 case MONO_TYPE_U4:
 940                 case MONO_TYPE_I:
 941                 case MONO_TYPE_U:
 942                 case MONO_TYPE_PTR:
 943                 case MONO_TYPE_SZARRAY:
 944                 case MONO_TYPE_CLASS:
 945                 case MONO_TYPE_OBJECT:
 946                 case MONO_TYPE_STRING:
 947                 case MONO_TYPE_I8:
 948                 case MONO_TYPE_VALUETYPE:
 949                 case MONO_TYPE_GENERICINST:
 950                         margs->retval = &(frame->retval->data.p);
 951                         margs->is_float_ret = 0;
 952                         break;
 953                 case MONO_TYPE_R4:
 954                 case MONO_TYPE_R8:
 955                         margs->retval = &(frame->retval->data.p);
 956                         margs->is_float_ret = 1;
 957                         break;
 958                 case MONO_TYPE_VOID:
 959                         margs->retval = NULL;
 960                         break;
 961                 default:
 962                         g_error ("build_args_from_sig: ret type not implemented yet: 0x%x\n", sig->ret->type);
 963         }
 964
 965         return margs;
 966 }
 967
 968 static void
 969 ves_pinvoke_method (MonoInvocation *frame, MonoMethodSignature *sig, MonoFuncV addr, gboolean string_ctor, ThreadContext *context)
 970 {
 971         jmp_buf env;
 972         MonoInvocation *old_frame = context->current_frame;
 973         MonoInvocation *old_env_frame = context->env_frame;
 974         jmp_buf *old_env = context->current_env;
 975         MonoLMFExt ext;
 976
 977         if (setjmp (env)) {
 978                 context->current_frame = old_frame;
 979                 context->env_frame = old_env_frame;
 980                 context->current_env = old_env;
 981                 context->managed_code = 1;
 982                 return;
 983         }
 984
 985         frame->ex = NULL;
 986         context->env_frame = frame;
 987         context->current_env = &env;
 988
 989         g_assert (!frame->runtime_method);
 990         if (!mono_interp_enter_icall_trampoline) {
 991                 MonoTrampInfo *info;
 992                 mono_interp_enter_icall_trampoline = mono_arch_get_enter_icall_trampoline (&info);
 993                 // TODO:
 994                 // mono_tramp_info_register (info, NULL);
 995         }
 996
 997         InterpMethodArguments *margs = build_args_from_sig (sig, frame);
 998 #if DEBUG_INTERP
 999         g_print ("ICALL: mono_interp_enter_icall_trampoline = %p, addr = %p\n", mono_interp_enter_icall_trampoline, addr);
1000         g_print ("margs(out): ilen=%d, flen=%d\n", margs->ilen, margs->flen);
1001 #endif
1002
1003         context->current_frame = frame;
1004         context->managed_code = 0;
1005
1006         interp_push_lmf (&ext, frame);
1007
1008         mono_interp_enter_icall_trampoline (addr, margs);
1009
1010         interp_pop_lmf (&ext);
1011
1012         context->managed_code = 1;
1013         /* domain can only be changed by native code */
1014         context->domain = mono_domain_get ();
1015
1016         if (*mono_thread_interruption_request_flag ()) {
1017                 MonoException *exc = mono_thread_interruption_checkpoint ();
1018                 if (exc) {
1019                         frame->ex = exc;
1020                         context->search_for_handler = 1;
1021                 }
1022         }
1023
1024         if (!frame->ex && !MONO_TYPE_ISSTRUCT (sig->ret))
1025                 stackval_from_data (sig->ret, frame->retval, (char*)&frame->retval->data.p, sig->pinvoke);
1026
1027         context->current_frame = old_frame;
1028         context->env_frame = old_env_frame;
1029         context->current_env = old_env;
1030
1031         g_free (margs->iargs);
1032         g_free (margs->fargs);
1033         g_free (margs);
1034 }
1035
1036 void
1037 mono_interp_init_delegate (MonoDelegate *del)
1038 {
1039         if (del->method)
1040                 return;
1041         /* shouldn't need a write barrier because we don't write a MonoObject into the field */
1042         del->method = ((RuntimeMethod *) del->method_ptr)->method;
1043 }
1044
1045 /*
1046  * From the spec:
1047  * runtime specifies that the implementation of the method is automatically
1048  * provided by the runtime and is primarily used for the methods of delegates.
1049  */
1050 static void
1051 ves_runtime_method (MonoInvocation *frame, ThreadContext *context)
1052 {
1053         MonoMethod *method = frame->runtime_method->method;
1054         const char *name = method->name;
1055         MonoObject *obj = (MonoObject*) frame->stack_args->data.p;
1056         MonoObject *isinst_obj;
1057         MonoError error;
1058
1059         mono_class_init (method->klass);
1060
1061         if (method->klass == mono_defaults.array_class) {
1062                 if (!strcmp (method->name, "UnsafeMov")) {
1063                         /* TODO: layout checks */
1064                         MonoType *mt = mono_method_signature (method)->ret;
1065                         stackval_from_data (mt, frame->retval, (char *) frame->stack_args, FALSE);
1066                         return;
1067                 }
1068                 if (!strcmp (method->name, "UnsafeLoad")) {
1069                         ves_array_get (frame, FALSE);
1070                         return;
1071                 }
1072         }
1073
1074         isinst_obj = mono_object_isinst_checked (obj, mono_defaults.array_class, &error);
1075         mono_error_cleanup (&error); /* FIXME: don't swallow the error */
1076         if (obj && isinst_obj) {
1077                 if (*name == 'S' && (strcmp (name, "Set") == 0)) {
1078                         ves_array_set (frame);
1079                         return;
1080                 }
1081                 if (*name == 'G' && (strcmp (name, "Get") == 0)) {
1082                         ves_array_get (frame, TRUE);
1083                         return;
1084                 }
1085         }
1086
1087         g_error ("Don't know how to exec runtime method %s.%s::%s",
1088                         method->klass->name_space, method->klass->name,
1089                         method->name);
1090 }
1091
1092 #if DEBUG_INTERP
1093 static char*
1094 dump_stack (stackval *stack, stackval *sp)
1095 {
1096         stackval *s = stack;
1097         GString *str = g_string_new ("");
1098
1099         if (sp == stack)
1100                 return g_string_free (str, FALSE);
1101
1102         while (s < sp) {
1103                 g_string_append_printf (str, "[%p (%lld)] ", s->data.l, s->data.l);
1104                 ++s;
1105         }
1106         return g_string_free (str, FALSE);
1107 }
1108 #endif
1109
1110 static void
1111 dump_stackval (GString *str, stackval *s, MonoType *type)
1112 {
1113         switch (type->type) {
1114         case MONO_TYPE_I1:
1115         case MONO_TYPE_U1:
1116         case MONO_TYPE_I2:
1117         case MONO_TYPE_U2:
1118         case MONO_TYPE_I4:
1119         case MONO_TYPE_U4:
1120         case MONO_TYPE_CHAR:
1121         case MONO_TYPE_BOOLEAN:
1122                 g_string_append_printf (str, "[%d] ", s->data.i);
1123                 break;
1124         case MONO_TYPE_STRING:
1125         case MONO_TYPE_SZARRAY:
1126         case MONO_TYPE_CLASS:
1127         case MONO_TYPE_OBJECT:
1128         case MONO_TYPE_ARRAY:
1129         case MONO_TYPE_PTR:
1130         case MONO_TYPE_I:
1131         case MONO_TYPE_U:
1132                 g_string_append_printf (str, "[%p] ", s->data.p);
1133                 break;
1134         case MONO_TYPE_VALUETYPE:
1135                 if (type->data.klass->enumtype)
1136                         g_string_append_printf (str, "[%d] ", s->data.i);
1137                 else
1138                         g_string_append_printf (str, "[vt:%p] ", s->data.p);
1139                 break;
1140         case MONO_TYPE_R4:
1141         case MONO_TYPE_R8:
1142                 g_string_append_printf (str, "[%g] ", s->data.f);
1143                 break;
1144         case MONO_TYPE_I8:
1145         case MONO_TYPE_U8:
1146         default: {
1147                 GString *res = g_string_new ("");
1148                 mono_type_get_desc (res, type, TRUE);
1149                 g_string_append_printf (str, "[{%s} %lld/0x%0llx] ", res->str, s->data.l, s->data.l);
1150                 g_string_free (res, TRUE);
1151                 break;
1152         }
1153         }
1154 }
1155
1156 #if DEBUG_INTERP
1157 static char*
1158 dump_retval (MonoInvocation *inv)
1159 {
1160         GString *str = g_string_new ("");
1161         MonoType *ret = mono_method_signature (inv->runtime_method->method)->ret;
1162
1163         if (ret->type != MONO_TYPE_VOID)
1164                 dump_stackval (str, inv->retval, ret);
1165
1166         return g_string_free (str, FALSE);
1167 }
1168 #endif
1169
1170 static char*
1171 dump_args (MonoInvocation *inv)
1172 {
1173         GString *str = g_string_new ("");
1174         int i;
1175         MonoMethodSignature *signature = mono_method_signature (inv->runtime_method->method);
1176
1177         if (signature->param_count == 0 && !signature->hasthis)
1178                 return g_string_free (str, FALSE);
1179
1180         if (signature->hasthis) {
1181                 MonoMethod *method = inv->runtime_method->method;
1182                 dump_stackval (str, inv->stack_args, &method->klass->byval_arg);
1183         }
1184
1185         for (i = 0; i < signature->param_count; ++i)
1186                 dump_stackval (str, inv->stack_args + (!!signature->hasthis) + i, signature->params [i]);
1187
1188         return g_string_free (str, FALSE);
1189 }
1190
1191 static char*
1192 dump_frame (MonoInvocation *inv)
1193 {
1194         GString *str = g_string_new ("");
1195         int i;
1196         char *args;
1197         MonoError error;
1198
1199         for (i = 0; inv; inv = inv->parent) {
1200                 if (inv->runtime_method != NULL) {
1201                         MonoMethod *method = inv->runtime_method->method;
1202                         MonoClass *k;
1203
1204                         int codep = 0;
1205                         const char * opname = "";
1206                         char *name;
1207                         gchar *source = NULL;
1208
1209                         k = method->klass;
1210
1211                         if ((method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) == 0 &&
1212                                 (method->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME) == 0) {
1213                                 MonoMethodHeader *hd = mono_method_get_header_checked (method, &error);
1214                                 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
1215
1216                                 if (hd != NULL) {
1217                                         if (inv->ip) {
1218                                                 opname = mono_interp_opname [*inv->ip];
1219                                                 codep = inv->ip - inv->runtime_method->code;
1220                                                 source = g_strdup_printf ("%s:%d // (TODO: proper stacktrace)", method->name, codep);
1221                                         } else
1222                                                 opname = "";
1223
1224 #if 0
1225                                         MonoDebugSourceLocation *minfo = mono_debug_lookup_method (method);
1226                                         source = mono_debug_method_lookup_location (minfo, codep);
1227 #endif
1228                                 }
1229                         }
1230                         args = dump_args (inv);
1231                         name = mono_method_full_name (method, TRUE);
1232                         if (source)
1233                                 g_string_append_printf (str, "#%d: 0x%05x %-10s in %s (%s) at %s\n", i, codep, opname, name, args, source);
1234                         else
1235                                 g_string_append_printf (str, "#%d: 0x%05x %-10s in %s (%s)\n", i, codep, opname, name, args);
1236                         g_free (name);
1237                         g_free (args);
1238                         g_free (source);
1239                         ++i;
1240                 }
1241         }
1242         return g_string_free (str, FALSE);
1243 }
1244
1245 static MonoArray *
1246 get_trace_ips (MonoDomain *domain, MonoInvocation *top)
1247 {
1248         int i;
1249         MonoArray *res;
1250         MonoInvocation *inv;
1251         MonoError error;
1252
1253         for (i = 0, inv = top; inv; inv = inv->parent)
1254                 if (inv->runtime_method != NULL)
1255                         ++i;
1256
1257         res = mono_array_new_checked (domain, mono_defaults.int_class, 2 * i, &error);
1258         mono_error_cleanup (&error); /* FIXME: don't swallow the error */
1259
1260         for (i = 0, inv = top; inv; inv = inv->parent)
1261                 if (inv->runtime_method != NULL) {
1262                         mono_array_set (res, gpointer, i, inv->runtime_method);
1263                         ++i;
1264                         mono_array_set (res, gpointer, i, (gpointer)inv->ip);
1265                         ++i;
1266                 }
1267
1268         return res;
1269 }
1270
1271
1272 #define MYGUINT64_MAX 18446744073709551615ULL
1273 #define MYGINT64_MAX 9223372036854775807LL
1274 #define MYGINT64_MIN (-MYGINT64_MAX -1LL)
1275
1276 #define MYGUINT32_MAX 4294967295U
1277 #define MYGINT32_MAX 2147483647
1278 #define MYGINT32_MIN (-MYGINT32_MAX -1)
1279
1280 #define CHECK_ADD_OVERFLOW(a,b) \
1281         (gint32)(b) >= 0 ? (gint32)(MYGINT32_MAX) - (gint32)(b) < (gint32)(a) ? -1 : 0  \
1282         : (gint32)(MYGINT32_MIN) - (gint32)(b) > (gint32)(a) ? +1 : 0
1283
1284 #define CHECK_SUB_OVERFLOW(a,b) \
1285         (gint32)(b) < 0 ? (gint32)(MYGINT32_MAX) + (gint32)(b) < (gint32)(a) ? -1 : 0   \
1286         : (gint32)(MYGINT32_MIN) + (gint32)(b) > (gint32)(a) ? +1 : 0
1287
1288 #define CHECK_ADD_OVERFLOW_UN(a,b) \
1289         (guint32)(MYGUINT32_MAX) - (guint32)(b) < (guint32)(a) ? -1 : 0
1290
1291 #define CHECK_SUB_OVERFLOW_UN(a,b) \
1292         (guint32)(a) < (guint32)(b) ? -1 : 0
1293
1294 #define CHECK_ADD_OVERFLOW64(a,b) \
1295         (gint64)(b) >= 0 ? (gint64)(MYGINT64_MAX) - (gint64)(b) < (gint64)(a) ? -1 : 0  \
1296         : (gint64)(MYGINT64_MIN) - (gint64)(b) > (gint64)(a) ? +1 : 0
1297
1298 #define CHECK_SUB_OVERFLOW64(a,b) \
1299         (gint64)(b) < 0 ? (gint64)(MYGINT64_MAX) + (gint64)(b) < (gint64)(a) ? -1 : 0   \
1300         : (gint64)(MYGINT64_MIN) + (gint64)(b) > (gint64)(a) ? +1 : 0
1301
1302 #define CHECK_ADD_OVERFLOW64_UN(a,b) \
1303         (guint64)(MYGUINT64_MAX) - (guint64)(b) < (guint64)(a) ? -1 : 0
1304
1305 #define CHECK_SUB_OVERFLOW64_UN(a,b) \
1306         (guint64)(a) < (guint64)(b) ? -1 : 0
1307
1308 #if SIZEOF_VOID_P == 4
1309 #define CHECK_ADD_OVERFLOW_NAT(a,b) CHECK_ADD_OVERFLOW(a,b)
1310 #define CHECK_ADD_OVERFLOW_NAT_UN(a,b) CHECK_ADD_OVERFLOW_UN(a,b)
1311 #else
1312 #define CHECK_ADD_OVERFLOW_NAT(a,b) CHECK_ADD_OVERFLOW64(a,b)
1313 #define CHECK_ADD_OVERFLOW_NAT_UN(a,b) CHECK_ADD_OVERFLOW64_UN(a,b)
1314 #endif
1315
1316 /* Resolves to TRUE if the operands would overflow */
1317 #define CHECK_MUL_OVERFLOW(a,b) \
1318         ((gint32)(a) == 0) || ((gint32)(b) == 0) ? 0 : \
1319         (((gint32)(a) > 0) && ((gint32)(b) == -1)) ? FALSE : \
1320         (((gint32)(a) < 0) && ((gint32)(b) == -1)) ? (a == - MYGINT32_MAX) : \
1321         (((gint32)(a) > 0) && ((gint32)(b) > 0)) ? (gint32)(a) > ((MYGINT32_MAX) / (gint32)(b)) : \
1322         (((gint32)(a) > 0) && ((gint32)(b) < 0)) ? (gint32)(a) > ((MYGINT32_MIN) / (gint32)(b)) : \
1323         (((gint32)(a) < 0) && ((gint32)(b) > 0)) ? (gint32)(a) < ((MYGINT32_MIN) / (gint32)(b)) : \
1324         (gint32)(a) < ((MYGINT32_MAX) / (gint32)(b))
1325
1326 #define CHECK_MUL_OVERFLOW_UN(a,b) \
1327         ((guint32)(a) == 0) || ((guint32)(b) == 0) ? 0 : \
1328         (guint32)(b) > ((MYGUINT32_MAX) / (guint32)(a))
1329
1330 #define CHECK_MUL_OVERFLOW64(a,b) \
1331         ((gint64)(a) == 0) || ((gint64)(b) == 0) ? 0 : \
1332         (((gint64)(a) > 0) && ((gint64)(b) == -1)) ? FALSE : \
1333         (((gint64)(a) < 0) && ((gint64)(b) == -1)) ? (a == - MYGINT64_MAX) : \
1334         (((gint64)(a) > 0) && ((gint64)(b) > 0)) ? (gint64)(a) > ((MYGINT64_MAX) / (gint64)(b)) : \
1335         (((gint64)(a) > 0) && ((gint64)(b) < 0)) ? (gint64)(a) > ((MYGINT64_MIN) / (gint64)(b)) : \
1336         (((gint64)(a) < 0) && ((gint64)(b) > 0)) ? (gint64)(a) < ((MYGINT64_MIN) / (gint64)(b)) : \
1337         (gint64)(a) < ((MYGINT64_MAX) / (gint64)(b))
1338
1339 #define CHECK_MUL_OVERFLOW64_UN(a,b) \
1340         ((guint64)(a) == 0) || ((guint64)(b) == 0) ? 0 : \
1341         (guint64)(b) > ((MYGUINT64_MAX) / (guint64)(a))
1342
1343 #if SIZEOF_VOID_P == 4
1344 #define CHECK_MUL_OVERFLOW_NAT(a,b) CHECK_MUL_OVERFLOW(a,b)
1345 #define CHECK_MUL_OVERFLOW_NAT_UN(a,b) CHECK_MUL_OVERFLOW_UN(a,b)
1346 #else
1347 #define CHECK_MUL_OVERFLOW_NAT(a,b) CHECK_MUL_OVERFLOW64(a,b)
1348 #define CHECK_MUL_OVERFLOW_NAT_UN(a,b) CHECK_MUL_OVERFLOW64_UN(a,b)
1349 #endif
1350
1351 MonoObject*
1352 mono_interp_runtime_invoke (MonoMethod *method, void *obj, void **params, MonoObject **exc, MonoError *error)
1353 {
1354         MonoInvocation frame;
1355         ThreadContext * volatile context = mono_native_tls_get_value (thread_context_id);
1356         MonoObject *retval = NULL;
1357         MonoMethodSignature *sig = mono_method_signature (method);
1358         MonoClass *klass = mono_class_from_mono_type (sig->ret);
1359         int i, type, isobject = 0;
1360         void *ret = NULL;
1361         stackval result;
1362         stackval *args;
1363         ThreadContext context_struct;
1364         MonoInvocation *old_frame = NULL;
1365         jmp_buf env;
1366
1367         error_init (error);
1368         if (exc)
1369                 *exc = NULL;
1370
1371         frame.ex = NULL;
1372
1373         if (setjmp(env)) {
1374                 if (context != &context_struct) {
1375                         context->domain = mono_domain_get ();
1376                         context->current_frame = old_frame;
1377                         context->managed_code = 0;
1378                 } else
1379                         set_context (NULL);
1380                 if (exc != NULL)
1381                         *exc = (MonoObject *)frame.ex;
1382                 return retval;
1383         }
1384
1385         if (context == NULL) {
1386                 context = &context_struct;
1387                 memset (context, 0, sizeof (ThreadContext));
1388                 context_struct.base_frame = &frame;
1389                 context_struct.env_frame = &frame;
1390                 context_struct.current_env = &env;
1391                 set_context (context);
1392         }
1393         else
1394                 old_frame = context->current_frame;
1395
1396         context->domain = mono_domain_get ();
1397
1398         switch (sig->ret->type) {
1399         case MONO_TYPE_VOID:
1400                 break;
1401         case MONO_TYPE_STRING:
1402         case MONO_TYPE_OBJECT:
1403         case MONO_TYPE_CLASS:
1404         case MONO_TYPE_ARRAY:
1405         case MONO_TYPE_SZARRAY:
1406                 isobject = 1;
1407                 break;
1408         case MONO_TYPE_VALUETYPE:
1409                 retval = mono_object_new_checked (context->domain, klass, error);
1410                 ret = mono_object_unbox (retval);
1411                 if (!sig->ret->data.klass->enumtype)
1412                         result.data.vt = ret;
1413                 else
1414                         result.data.vt = alloca (mono_class_instance_size (klass));
1415                 break;
1416         case MONO_TYPE_GENERICINST:
1417                 if (!MONO_TYPE_IS_REFERENCE (sig->ret)) {
1418                         retval = mono_object_new_checked (context->domain, klass, error);
1419                         ret = mono_object_unbox (retval);
1420                         if (!sig->ret->data.klass->enumtype)
1421                                 result.data.vt = ret;
1422                         else
1423                                 result.data.vt = alloca (mono_class_instance_size (klass));
1424                 } else {
1425                         isobject = 1;
1426                 }
1427                 break;
1428
1429         case MONO_TYPE_PTR:
1430                 retval = mono_object_new_checked (context->domain, mono_defaults.int_class, error);
1431                 ret = mono_object_unbox (retval);
1432                 break;
1433         default:
1434                 retval = mono_object_new_checked (context->domain, klass, error);
1435                 ret = mono_object_unbox (retval);
1436                 break;
1437         }
1438
1439         args = alloca (sizeof (stackval) * (sig->param_count + !!sig->hasthis));
1440         if (sig->hasthis)
1441                 args [0].data.p = obj;
1442
1443         for (i = 0; i < sig->param_count; ++i) {
1444                 int a_index = i + !!sig->hasthis;
1445                 if (sig->params [i]->byref) {
1446                         args [a_index].data.p = params [i];
1447                         continue;
1448                 }
1449                 type = sig->params [i]->type;
1450 handle_enum:
1451                 switch (type) {
1452                 case MONO_TYPE_U1:
1453                 case MONO_TYPE_I1:
1454                 case MONO_TYPE_BOOLEAN:
1455                         args [a_index].data.i = *(MonoBoolean*)params [i];
1456                         break;
1457                 case MONO_TYPE_U2:
1458                 case MONO_TYPE_I2:
1459                 case MONO_TYPE_CHAR:
1460                         args [a_index].data.i = *(gint16*)params [i];
1461                         break;
1462 #if SIZEOF_VOID_P == 4
1463                 case MONO_TYPE_U: /* use VAL_POINTER? */
1464                 case MONO_TYPE_I:
1465 #endif
1466                 case MONO_TYPE_U4:
1467                 case MONO_TYPE_I4:
1468                         args [a_index].data.i = *(gint32*)params [i];
1469                         break;
1470 #if SIZEOF_VOID_P == 8
1471                 case MONO_TYPE_U:
1472                 case MONO_TYPE_I:
1473 #endif
1474                 case MONO_TYPE_U8:
1475                 case MONO_TYPE_I8:
1476                         args [a_index].data.l = *(gint64*)params [i];
1477                         break;
1478                 case MONO_TYPE_R4:
1479                         args [a_index].data.f = *(gfloat *) params [i];
1480                         break;
1481                 case MONO_TYPE_R8:
1482                         args [a_index].data.f = *(gdouble *) params [i];
1483                         break;
1484                 case MONO_TYPE_VALUETYPE:
1485                         if (sig->params [i]->data.klass->enumtype) {
1486                                 type = mono_class_enum_basetype (sig->params [i]->data.klass)->type;
1487                                 goto handle_enum;
1488                         } else {
1489                                 args [a_index].data.p = params [i];
1490                         }
1491                         break;
1492                 case MONO_TYPE_STRING:
1493                 case MONO_TYPE_PTR:
1494                 case MONO_TYPE_CLASS:
1495                 case MONO_TYPE_ARRAY:
1496                 case MONO_TYPE_SZARRAY:
1497                 case MONO_TYPE_OBJECT:
1498                 case MONO_TYPE_GENERICINST:
1499                         args [a_index].data.p = params [i];
1500                         break;
1501                 default:
1502                         g_error ("type 0x%x not handled in  runtime invoke", sig->params [i]->type);
1503                 }
1504         }
1505
1506         if (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL)
1507                 method = mono_marshal_get_native_wrapper (method, FALSE, FALSE);
1508         INIT_FRAME (&frame,context->current_frame,args,&result,mono_get_root_domain (),method,error);
1509
1510         if (exc)
1511                 frame.invoke_trap = 1;
1512         context->managed_code = 1;
1513         ves_exec_method_with_context (&frame, context, NULL, NULL, -1);
1514         context->managed_code = 0;
1515         if (context == &context_struct)
1516                 set_context (NULL);
1517         else
1518                 context->current_frame = old_frame;
1519         if (frame.ex != NULL) {
1520                 if (exc != NULL) {
1521                         *exc = (MonoObject*) frame.ex;
1522                         return NULL;
1523                 }
1524                 if (context->current_env != NULL) {
1525                         context->env_frame->ex = frame.ex;
1526                         longjmp(*context->current_env, 1);
1527                 }
1528                 else
1529                         printf("dropped exception...\n");
1530         }
1531         if (sig->ret->type == MONO_TYPE_VOID && !method->string_ctor)
1532                 return NULL;
1533         if (isobject || method->string_ctor)
1534                 return result.data.p;
1535         stackval_to_data (sig->ret, &result, ret, sig->pinvoke);
1536         return retval;
1537 }
1538
1539 typedef struct {
1540         RuntimeMethod *rmethod;
1541         gpointer this_arg;
1542         gpointer res;
1543         gpointer args [16];
1544         gpointer *many_args;
1545 } InterpEntryData;
1546
1547 /* Main function for entering the interpreter from compiled code */
1548 static void
1549 interp_entry (InterpEntryData *data)
1550 {
1551         MonoInvocation frame;
1552         RuntimeMethod *rmethod = data->rmethod;
1553         ThreadContext *context = mono_native_tls_get_value (thread_context_id);
1554         ThreadContext context_struct;
1555         MonoInvocation *old_frame;
1556         stackval result;
1557         stackval *args;
1558         MonoMethod *method;
1559         MonoMethodSignature *sig;
1560         MonoType *type;
1561         int i;
1562
1563         method = rmethod->method;
1564         sig = mono_method_signature (method);
1565
1566         // FIXME: Optimize this
1567
1568         //printf ("%s\n", mono_method_full_name (method, 1));
1569
1570         frame.ex = NULL;
1571         if (context == NULL) {
1572                 context = &context_struct;
1573                 memset (context, 0, sizeof (ThreadContext));
1574                 context_struct.base_frame = &frame;
1575                 context_struct.env_frame = &frame;
1576                 set_context (context);
1577         } else {
1578                 old_frame = context->current_frame;
1579         }
1580         context->domain = mono_domain_get ();
1581
1582         args = alloca (sizeof (stackval) * (sig->param_count + (sig->hasthis ? 1 : 0)));
1583         if (sig->hasthis)
1584                 args [0].data.p = data->this_arg;
1585
1586         gpointer *params;
1587         if (data->many_args)
1588                 params = data->many_args;
1589         else
1590                 params = data->args;
1591         for (i = 0; i < sig->param_count; ++i) {
1592                 int a_index = i + (sig->hasthis ? 1 : 0);
1593                 if (sig->params [i]->byref) {
1594                         args [a_index].data.p = params [i];
1595                         continue;
1596                 }
1597                 type = rmethod->param_types [i];
1598                 switch (type->type) {
1599                 case MONO_TYPE_U1:
1600                 case MONO_TYPE_I1:
1601                         args [a_index].data.i = *(MonoBoolean*)params [i];
1602                         break;
1603                 case MONO_TYPE_U2:
1604                 case MONO_TYPE_I2:
1605                         args [a_index].data.i = *(gint16*)params [i];
1606                         break;
1607                 case MONO_TYPE_U:
1608 #if SIZEOF_VOID_P == 4
1609                         args [a_index].data.p = GINT_TO_POINTER (*(guint32*)params [i]);
1610 #else
1611                         args [a_index].data.p = GINT_TO_POINTER (*(guint64*)params [i]);
1612 #endif
1613                         break;
1614                 case MONO_TYPE_I:
1615 #if SIZEOF_VOID_P == 4
1616                         args [a_index].data.p = GINT_TO_POINTER (*(gint32*)params [i]);
1617 #else
1618                         args [a_index].data.p = GINT_TO_POINTER (*(gint64*)params [i]);
1619 #endif
1620                         break;
1621                 case MONO_TYPE_U4:
1622                         args [a_index].data.i = *(guint32*)params [i];
1623                         break;
1624                 case MONO_TYPE_I4:
1625                         args [a_index].data.i = *(gint32*)params [i];
1626                         break;
1627                 case MONO_TYPE_U8:
1628                         args [a_index].data.l = *(guint64*)params [i];
1629                         break;
1630                 case MONO_TYPE_I8:
1631                         args [a_index].data.l = *(gint64*)params [i];
1632                         break;
1633                 case MONO_TYPE_PTR:
1634                 case MONO_TYPE_OBJECT:
1635                         args [a_index].data.p = *(MonoObject**)params [i];
1636                         break;
1637                 case MONO_TYPE_VALUETYPE:
1638                         args [a_index].data.p = params [i];
1639                         break;
1640                 case MONO_TYPE_GENERICINST:
1641                         if (MONO_TYPE_IS_REFERENCE (type))
1642                                 args [a_index].data.p = params [i];
1643                         else
1644                                 args [a_index].data.vt = params [i];
1645                         break;
1646                 default:
1647                         printf ("%s\n", mono_type_full_name (sig->params [i]));
1648                         NOT_IMPLEMENTED;
1649                         break;
1650                 }
1651         }
1652
1653         init_frame (&frame, NULL, data->rmethod, args, &result);
1654         context->managed_code = 1;
1655
1656         type = rmethod->rtype;
1657         switch (type->type) {
1658         case MONO_TYPE_GENERICINST:
1659                 if (!MONO_TYPE_IS_REFERENCE (type))
1660                         frame.retval->data.vt = data->res;
1661                 break;
1662         case MONO_TYPE_VALUETYPE:
1663                 frame.retval->data.vt = data->res;
1664                 break;
1665         default:
1666                 break;
1667         }
1668
1669         ves_exec_method_with_context (&frame, context, NULL, NULL, -1);
1670         context->managed_code = 0;
1671         if (context == &context_struct)
1672                 set_context (NULL);
1673         else
1674                 context->current_frame = old_frame;
1675
1676         // FIXME:
1677         g_assert (frame.ex == NULL);
1678
1679         type = rmethod->rtype;
1680         switch (type->type) {
1681         case MONO_TYPE_VOID:
1682                 break;
1683         case MONO_TYPE_I1:
1684                 *(gint8*)data->res = frame.retval->data.i;
1685                 break;
1686         case MONO_TYPE_U1:
1687                 *(guint8*)data->res = frame.retval->data.i;
1688                 break;
1689         case MONO_TYPE_I2:
1690                 *(gint16*)data->res = frame.retval->data.i;
1691                 break;
1692         case MONO_TYPE_U2:
1693                 *(guint16*)data->res = frame.retval->data.i;
1694                 break;
1695         case MONO_TYPE_I4:
1696                 *(gint32*)data->res = frame.retval->data.i;
1697                 break;
1698         case MONO_TYPE_U4:
1699                 *(guint64*)data->res = frame.retval->data.i;
1700                 break;
1701         case MONO_TYPE_I8:
1702                 *(gint64*)data->res = frame.retval->data.i;
1703                 break;
1704         case MONO_TYPE_U8:
1705                 *(guint64*)data->res = frame.retval->data.i;
1706                 break;
1707         case MONO_TYPE_I:
1708 #if SIZEOF_VOID_P == 8
1709                 *(gint64*)data->res = (gint64)frame.retval->data.p;
1710 #else
1711                 *(gint32*)data->res = (gint32)frame.retval->data.p;
1712 #endif
1713                 break;
1714         case MONO_TYPE_U:
1715 #if SIZEOF_VOID_P == 8
1716                 *(guint64*)data->res = (guint64)frame.retval->data.p;
1717 #else
1718                 *(guint32*)data->res = (guint32)frame.retval->data.p;
1719 #endif
1720                 break;
1721         case MONO_TYPE_OBJECT:
1722                 /* No need for a write barrier */
1723                 *(MonoObject**)data->res = (MonoObject*)frame.retval->data.p;
1724                 break;
1725         case MONO_TYPE_GENERICINST:
1726                 if (MONO_TYPE_IS_REFERENCE (type)) {
1727                         *(MonoObject**)data->res = *(MonoObject**)frame.retval->data.p;
1728                 } else {
1729                         /* Already set before the call */
1730                 }
1731                 break;
1732         case MONO_TYPE_VALUETYPE:
1733                 /* Already set before the call */
1734                 break;
1735         default:
1736                 printf ("%s\n", mono_type_full_name (sig->ret));
1737                 NOT_IMPLEMENTED;
1738                 break;
1739         }
1740 }
1741
1742 static stackval *
1743 do_icall (ThreadContext *context, int op, stackval *sp, gpointer ptr)
1744 {
1745         MonoInvocation *old_frame = context->current_frame;
1746         MonoInvocation *old_env_frame = context->env_frame;
1747         jmp_buf *old_env = context->current_env;
1748         jmp_buf env;
1749
1750         if (setjmp (env)) {
1751                 context->current_frame = old_frame;
1752                 context->env_frame = old_env_frame;
1753                 context->current_env = old_env;
1754                 context->managed_code = 1;
1755                 return sp;
1756         }
1757
1758         context->env_frame = context->current_frame;
1759         context->current_env = &env;
1760         context->managed_code = 0;
1761
1762         switch (op) {
1763         case MINT_ICALL_V_V: {
1764                 void (*func)(void) = ptr;
1765                 func ();
1766                 break;
1767         }
1768         case MINT_ICALL_V_P: {
1769                 gpointer (*func)(void) = ptr;
1770                 sp++;
1771                 sp [-1].data.p = func ();
1772                 break;
1773         }
1774         case MINT_ICALL_P_V: {
1775                 void (*func)(gpointer) = ptr;
1776                 func (sp [-1].data.p);
1777                 sp --;
1778                 break;
1779         }
1780         case MINT_ICALL_P_P: {
1781                 gpointer (*func)(gpointer) = ptr;
1782                 sp [-1].data.p = func (sp [-1].data.p);
1783                 break;
1784         }
1785         case MINT_ICALL_PP_V: {
1786                 void (*func)(gpointer,gpointer) = ptr;
1787                 sp -= 2;
1788                 func (sp [0].data.p, sp [1].data.p);
1789                 break;
1790         }
1791         case MINT_ICALL_PI_V: {
1792                 void (*func)(gpointer,int) = ptr;
1793                 sp -= 2;
1794                 func (sp [0].data.p, sp [1].data.i);
1795                 break;
1796         }
1797         case MINT_ICALL_PP_P: {
1798                 gpointer (*func)(gpointer,gpointer) = ptr;
1799                 --sp;
1800                 sp [-1].data.p = func (sp [-1].data.p, sp [0].data.p);
1801                 break;
1802         }
1803         case MINT_ICALL_PI_P: {
1804                 gpointer (*func)(gpointer,int) = ptr;
1805                 --sp;
1806                 sp [-1].data.p = func (sp [-1].data.p, sp [0].data.i);
1807                 break;
1808         }
1809         case MINT_ICALL_PPP_V: {
1810                 void (*func)(gpointer,gpointer,gpointer) = ptr;
1811                 sp -= 3;
1812                 func (sp [0].data.p, sp [1].data.p, sp [2].data.p);
1813                 break;
1814         }
1815         case MINT_ICALL_PPI_V: {
1816                 void (*func)(gpointer,gpointer,int) = ptr;
1817                 sp -= 3;
1818                 func (sp [0].data.p, sp [1].data.p, sp [2].data.i);
1819                 break;
1820         }
1821         default:
1822                 g_assert_not_reached ();
1823         }
1824
1825         context->env_frame = old_env_frame;
1826         context->current_env = old_env;
1827
1828         return sp;
1829 }
1830
1831 /*
1832  * These functions are the entry points into the interpreter from compiled code.
1833  * They are called by the interp_in wrappers. They have the following signature:
1834  * void (<optional this_arg>, <optional retval pointer>, <arg1>, ..., <argn>, <method ptr>)
1835  * They pack up their arguments into an InterpEntryData structure and call interp_entry ().
1836  * It would be possible for the wrappers to pack up the arguments etc, but that would make them bigger, and there are
1837  * more wrappers then these functions.
1838  * this/static * ret/void * 16 arguments -> 64 functions.
1839  */
1840
1841 #define MAX_INTERP_ENTRY_ARGS 8
1842
1843 #define INTERP_ENTRY_BASE(_method, _this_arg, _res) \
1844         InterpEntryData data; \
1845         (data).rmethod = (_method); \
1846         (data).res = (_res); \
1847         (data).this_arg = (_this_arg); \
1848         (data).many_args = NULL;
1849
1850 #define INTERP_ENTRY0(_this_arg, _res, _method) {       \
1851         INTERP_ENTRY_BASE (_method, _this_arg, _res); \
1852         interp_entry (&data); \
1853         }
1854 #define INTERP_ENTRY1(_this_arg, _res, _method) {         \
1855         INTERP_ENTRY_BASE (_method, _this_arg, _res); \
1856         (data).args [0] = arg1; \
1857         interp_entry (&data); \
1858         }
1859 #define INTERP_ENTRY2(_this_arg, _res, _method) {  \
1860         INTERP_ENTRY_BASE (_method, _this_arg, _res); \
1861         (data).args [0] = arg1; \
1862         (data).args [1] = arg2; \
1863         interp_entry (&data); \
1864         }
1865 #define INTERP_ENTRY3(_this_arg, _res, _method) { \
1866         INTERP_ENTRY_BASE (_method, _this_arg, _res); \
1867         (data).args [0] = arg1; \
1868         (data).args [1] = arg2; \
1869         (data).args [2] = arg3; \
1870         interp_entry (&data); \
1871         }
1872 #define INTERP_ENTRY4(_this_arg, _res, _method) {       \
1873         INTERP_ENTRY_BASE (_method, _this_arg, _res); \
1874         (data).args [0] = arg1; \
1875         (data).args [1] = arg2; \
1876         (data).args [2] = arg3; \
1877         (data).args [3] = arg4; \
1878         interp_entry (&data); \
1879         }
1880 #define INTERP_ENTRY5(_this_arg, _res, _method) {       \
1881         INTERP_ENTRY_BASE (_method, _this_arg, _res); \
1882         (data).args [0] = arg1; \
1883         (data).args [1] = arg2; \
1884         (data).args [2] = arg3; \
1885         (data).args [3] = arg4; \
1886         (data).args [4] = arg5; \
1887         interp_entry (&data); \
1888         }
1889 #define INTERP_ENTRY6(_this_arg, _res, _method) {       \
1890         INTERP_ENTRY_BASE (_method, _this_arg, _res); \
1891         (data).args [0] = arg1; \
1892         (data).args [1] = arg2; \
1893         (data).args [2] = arg3; \
1894         (data).args [3] = arg4; \
1895         (data).args [4] = arg5; \
1896         (data).args [5] = arg6; \
1897         interp_entry (&data); \
1898         }
1899 #define INTERP_ENTRY7(_this_arg, _res, _method) {       \
1900         INTERP_ENTRY_BASE (_method, _this_arg, _res); \
1901         (data).args [0] = arg1; \
1902         (data).args [1] = arg2; \
1903         (data).args [2] = arg3; \
1904         (data).args [3] = arg4; \
1905         (data).args [4] = arg5; \
1906         (data).args [5] = arg6; \
1907         (data).args [6] = arg7; \
1908         interp_entry (&data); \
1909         }
1910 #define INTERP_ENTRY8(_this_arg, _res, _method) {       \
1911         INTERP_ENTRY_BASE (_method, _this_arg, _res); \
1912         (data).args [0] = arg1; \
1913         (data).args [1] = arg2; \
1914         (data).args [2] = arg3; \
1915         (data).args [3] = arg4; \
1916         (data).args [4] = arg5; \
1917         (data).args [5] = arg6; \
1918         (data).args [6] = arg7; \
1919         (data).args [7] = arg8; \
1920         interp_entry (&data); \
1921         }
1922
1923 #define ARGLIST0 RuntimeMethod *rmethod
1924 #define ARGLIST1 gpointer arg1, RuntimeMethod *rmethod
1925 #define ARGLIST2 gpointer arg1, gpointer arg2, RuntimeMethod *rmethod
1926 #define ARGLIST3 gpointer arg1, gpointer arg2, gpointer arg3, RuntimeMethod *rmethod
1927 #define ARGLIST4 gpointer arg1, gpointer arg2, gpointer arg3, gpointer arg4, RuntimeMethod *rmethod
1928 #define ARGLIST5 gpointer arg1, gpointer arg2, gpointer arg3, gpointer arg4, gpointer arg5, RuntimeMethod *rmethod
1929 #define ARGLIST6 gpointer arg1, gpointer arg2, gpointer arg3, gpointer arg4, gpointer arg5, gpointer arg6, RuntimeMethod *rmethod
1930 #define ARGLIST7 gpointer arg1, gpointer arg2, gpointer arg3, gpointer arg4, gpointer arg5, gpointer arg6, gpointer arg7, RuntimeMethod *rmethod
1931 #define ARGLIST8 gpointer arg1, gpointer arg2, gpointer arg3, gpointer arg4, gpointer arg5, gpointer arg6, gpointer arg7, gpointer arg8, RuntimeMethod *rmethod
1932
1933 static void interp_entry_static_0 (ARGLIST0) INTERP_ENTRY0 (NULL, NULL, rmethod)
1934 static void interp_entry_static_1 (ARGLIST1) INTERP_ENTRY1 (NULL, NULL, rmethod)
1935 static void interp_entry_static_2 (ARGLIST2) INTERP_ENTRY2 (NULL, NULL, rmethod)
1936 static void interp_entry_static_3 (ARGLIST3) INTERP_ENTRY3 (NULL, NULL, rmethod)
1937 static void interp_entry_static_4 (ARGLIST4) INTERP_ENTRY4 (NULL, NULL, rmethod)
1938 static void interp_entry_static_5 (ARGLIST5) INTERP_ENTRY5 (NULL, NULL, rmethod)
1939 static void interp_entry_static_6 (ARGLIST6) INTERP_ENTRY6 (NULL, NULL, rmethod)
1940 static void interp_entry_static_7 (ARGLIST7) INTERP_ENTRY7 (NULL, NULL, rmethod)
1941 static void interp_entry_static_8 (ARGLIST8) INTERP_ENTRY8 (NULL, NULL, rmethod)
1942 static void interp_entry_static_ret_0 (gpointer res, ARGLIST0) INTERP_ENTRY0 (NULL, res, rmethod)
1943 static void interp_entry_static_ret_1 (gpointer res, ARGLIST1) INTERP_ENTRY1 (NULL, res, rmethod)
1944 static void interp_entry_static_ret_2 (gpointer res, ARGLIST2) INTERP_ENTRY2 (NULL, res, rmethod)
1945 static void interp_entry_static_ret_3 (gpointer res, ARGLIST3) INTERP_ENTRY3 (NULL, res, rmethod)
1946 static void interp_entry_static_ret_4 (gpointer res, ARGLIST4) INTERP_ENTRY4 (NULL, res, rmethod)
1947 static void interp_entry_static_ret_5 (gpointer res, ARGLIST5) INTERP_ENTRY5 (NULL, res, rmethod)
1948 static void interp_entry_static_ret_6 (gpointer res, ARGLIST6) INTERP_ENTRY6 (NULL, res, rmethod)
1949 static void interp_entry_static_ret_7 (gpointer res, ARGLIST7) INTERP_ENTRY7 (NULL, res, rmethod)
1950 static void interp_entry_static_ret_8 (gpointer res, ARGLIST8) INTERP_ENTRY8 (NULL, res, rmethod)
1951 static void interp_entry_instance_0 (gpointer this_arg, ARGLIST0) INTERP_ENTRY0 (this_arg, NULL, rmethod)
1952 static void interp_entry_instance_1 (gpointer this_arg, ARGLIST1) INTERP_ENTRY1 (this_arg, NULL, rmethod)
1953 static void interp_entry_instance_2 (gpointer this_arg, ARGLIST2) INTERP_ENTRY2 (this_arg, NULL, rmethod)
1954 static void interp_entry_instance_3 (gpointer this_arg, ARGLIST3) INTERP_ENTRY3 (this_arg, NULL, rmethod)
1955 static void interp_entry_instance_4 (gpointer this_arg, ARGLIST4) INTERP_ENTRY4 (this_arg, NULL, rmethod)
1956 static void interp_entry_instance_5 (gpointer this_arg, ARGLIST5) INTERP_ENTRY5 (this_arg, NULL, rmethod)
1957 static void interp_entry_instance_6 (gpointer this_arg, ARGLIST6) INTERP_ENTRY6 (this_arg, NULL, rmethod)
1958 static void interp_entry_instance_7 (gpointer this_arg, ARGLIST7) INTERP_ENTRY7 (this_arg, NULL, rmethod)
1959 static void interp_entry_instance_8 (gpointer this_arg, ARGLIST8) INTERP_ENTRY8 (this_arg, NULL, rmethod)
1960 static void interp_entry_instance_ret_0 (gpointer this_arg, gpointer res, ARGLIST0) INTERP_ENTRY0 (this_arg, res, rmethod)
1961 static void interp_entry_instance_ret_1 (gpointer this_arg, gpointer res, ARGLIST1) INTERP_ENTRY1 (this_arg, res, rmethod)
1962 static void interp_entry_instance_ret_2 (gpointer this_arg, gpointer res, ARGLIST2) INTERP_ENTRY2 (this_arg, res, rmethod)
1963 static void interp_entry_instance_ret_3 (gpointer this_arg, gpointer res, ARGLIST3) INTERP_ENTRY3 (this_arg, res, rmethod)
1964 static void interp_entry_instance_ret_4 (gpointer this_arg, gpointer res, ARGLIST4) INTERP_ENTRY4 (this_arg, res, rmethod)
1965 static void interp_entry_instance_ret_5 (gpointer this_arg, gpointer res, ARGLIST5) INTERP_ENTRY5 (this_arg, res, rmethod)
1966 static void interp_entry_instance_ret_6 (gpointer this_arg, gpointer res, ARGLIST6) INTERP_ENTRY6 (this_arg, res, rmethod)
1967 static void interp_entry_instance_ret_7 (gpointer this_arg, gpointer res, ARGLIST7) INTERP_ENTRY6 (this_arg, res, rmethod)
1968 static void interp_entry_instance_ret_8 (gpointer this_arg, gpointer res, ARGLIST8) INTERP_ENTRY6 (this_arg, res, rmethod)
1969
1970 #define INTERP_ENTRY_FUNCLIST(type) interp_entry_ ## type ## _0, interp_entry_ ## type ## _1, interp_entry_ ## type ## _2, interp_entry_ ## type ## _3, interp_entry_ ## type ## _4, interp_entry_ ## type ## _5, interp_entry_ ## type ## _6, interp_entry_ ## type ## _7, interp_entry_ ## type ## _8
1971
1972 gpointer entry_funcs_static [MAX_INTERP_ENTRY_ARGS + 1] = { INTERP_ENTRY_FUNCLIST (static) };
1973 gpointer entry_funcs_static_ret [MAX_INTERP_ENTRY_ARGS + 1] = { INTERP_ENTRY_FUNCLIST (static_ret) };
1974 gpointer entry_funcs_instance [MAX_INTERP_ENTRY_ARGS + 1] = { INTERP_ENTRY_FUNCLIST (instance) };
1975 gpointer entry_funcs_instance_ret [MAX_INTERP_ENTRY_ARGS + 1] = { INTERP_ENTRY_FUNCLIST (instance_ret) };
1976
1977 /* General version for methods with more than MAX_INTERP_ENTRY_ARGS arguments */
1978 static void
1979 interp_entry_general (gpointer this_arg, gpointer res, gpointer *args, gpointer rmethod)
1980 {
1981         INTERP_ENTRY_BASE (rmethod, this_arg, res);
1982         data.many_args = args;
1983         interp_entry (&data);
1984 }
1985
1986 /*
1987  * mono_interp_create_method_pointer:
1988  *
1989  * Return a function pointer which can be used to call METHOD using the
1990  * interpreter. Return NULL for methods which are not supported.
1991  */
1992 gpointer
1993 mono_interp_create_method_pointer (MonoMethod *method, MonoError *error)
1994 {
1995         gpointer addr;
1996         MonoMethodSignature *sig = mono_method_signature (method);
1997         MonoMethod *wrapper;
1998         RuntimeMethod *rmethod;
1999
2000         /* HACK: method_ptr of delegate should point to a runtime method*/
2001         if (method->wrapper_type && method->wrapper_type == MONO_WRAPPER_DYNAMIC_METHOD)
2002                 return mono_interp_get_runtime_method (mono_domain_get (), method, error);
2003
2004         rmethod = mono_interp_get_runtime_method (mono_domain_get (), method, error);
2005         if (rmethod->jit_entry)
2006                 return rmethod->jit_entry;
2007         wrapper = mini_get_interp_in_wrapper (sig);
2008
2009         gpointer jit_wrapper = mono_jit_compile_method_jit_only (wrapper, error);
2010         mono_error_assert_ok (error);
2011
2012         //printf ("%s %s\n", mono_method_full_name (method, 1), mono_method_full_name (wrapper, 1));
2013         gpointer entry_func;
2014         if (sig->param_count > MAX_INTERP_ENTRY_ARGS) {
2015                 entry_func = interp_entry_general;
2016         } else if (sig->hasthis) {
2017                 if (sig->ret->type == MONO_TYPE_VOID)
2018                         entry_func = entry_funcs_instance [sig->param_count];
2019                 else
2020                         entry_func = entry_funcs_instance_ret [sig->param_count];
2021         } else {
2022                 if (sig->ret->type == MONO_TYPE_VOID)
2023                         entry_func = entry_funcs_static [sig->param_count];
2024                 else
2025                         entry_func = entry_funcs_static_ret [sig->param_count];
2026         }
2027         g_assert (entry_func);
2028
2029         /* This is the argument passed to the interp_in wrapper by the static rgctx trampoline */
2030         MonoFtnDesc *ftndesc = g_new0 (MonoFtnDesc, 1);
2031         ftndesc->addr = entry_func;
2032         ftndesc->arg = rmethod;
2033         mono_error_assert_ok (error);
2034
2035         /*
2036          * The wrapper is called by compiled code, which doesn't pass the extra argument, so we pass it in the
2037          * rgctx register using a trampoline.
2038          */
2039
2040         // FIXME: AOT
2041         g_assert (!mono_aot_only);
2042         addr = mono_arch_get_static_rgctx_trampoline (ftndesc, jit_wrapper);
2043
2044         mono_memory_barrier ();
2045         rmethod->jit_entry = addr;
2046
2047         return addr;
2048 }
2049
2050 #if COUNT_OPS
2051 static int opcode_counts[512];
2052
2053 #define COUNT_OP(op) opcode_counts[op]++
2054 #else
2055 #define COUNT_OP(op)
2056 #endif
2057
2058 #if DEBUG_INTERP
2059 #define DUMP_INSTR() \
2060         if (tracing > 1) { \
2061                 char *ins; \
2062                 if (sp > frame->stack) { \
2063                         ins = dump_stack (frame->stack, sp); \
2064                 } else { \
2065                         ins = g_strdup (""); \
2066                 } \
2067                 sp->data.l = 0; \
2068                 output_indent (); \
2069                 char *mn = mono_method_full_name (frame->runtime_method->method, FALSE); \
2070                 g_print ("(%p) %s -> ", mono_thread_internal_current (), mn); \
2071                 g_free (mn); \
2072                 mono_interp_dis_mintop(rtm->code, ip); \
2073                 g_print ("\t%d:%s\n", vt_sp - vtalloc, ins); \
2074                 g_free (ins); \
2075         }
2076 #else
2077 #define DUMP_INSTR()
2078 #endif
2079
2080 #ifdef __GNUC__
2081 #define USE_COMPUTED_GOTO 1
2082 #endif
2083 #if USE_COMPUTED_GOTO
2084 #define MINT_IN_SWITCH(op) COUNT_OP(op); goto *in_labels[op];
2085 #define MINT_IN_CASE(x) LAB_ ## x:
2086 #if DEBUG_INTERP
2087 #define MINT_IN_BREAK if (tracing > 1) goto main_loop; else { COUNT_OP(*ip); goto *in_labels[*ip]; }
2088 #else
2089 #define MINT_IN_BREAK { COUNT_OP(*ip); goto *in_labels[*ip]; }
2090 #endif
2091 #define MINT_IN_DEFAULT mint_default: if (0) goto mint_default; /* make gcc shut up */
2092 #else
2093 #define MINT_IN_SWITCH(op) switch (op)
2094 #define MINT_IN_CASE(x) case x:
2095 #define MINT_IN_BREAK break
2096 #define MINT_IN_DEFAULT default:
2097 #endif
2098
2099 /*
2100  * If EXIT_AT_FINALLY is not -1, exit after exiting the finally clause with that index.
2101  */
2102 static void
2103 ves_exec_method_with_context (MonoInvocation *frame, ThreadContext *context, unsigned short *start_with_ip, MonoException *filter_exception, int exit_at_finally)
2104 {
2105         MonoInvocation child_frame;
2106         GSList *finally_ips = NULL;
2107         const unsigned short *endfinally_ip = NULL;
2108         const unsigned short *ip = NULL;
2109         register stackval *sp;
2110         RuntimeMethod *rtm;
2111 #if DEBUG_INTERP
2112         gint tracing = global_tracing;
2113         unsigned char *vtalloc;
2114 #else
2115         gint tracing = 0;
2116 #endif
2117         int i32;
2118         unsigned char *vt_sp;
2119         unsigned char *locals;
2120         MonoError error;
2121         MonoObject *o = NULL;
2122         MonoClass *c;
2123 #if USE_COMPUTED_GOTO
2124         static void *in_labels[] = {
2125 #define OPDEF(a,b,c,d) \
2126         &&LAB_ ## a,
2127 #include "mintops.def"
2128         0 };
2129 #endif
2130
2131         frame->ex = NULL;
2132         frame->ex_handler = NULL;
2133         frame->ip = NULL;
2134         context->current_frame = frame;
2135
2136         debug_enter (frame, &tracing);
2137
2138         if (!frame->runtime_method->transformed) {
2139                 context->managed_code = 0;
2140 #if DEBUG_INTERP
2141                 char *mn = mono_method_full_name (frame->runtime_method->method, TRUE);
2142                 g_print ("(%p) Transforming %s\n", mono_thread_internal_current (), mn);
2143                 g_free (mn);
2144 #endif
2145
2146                 MonoLMFExt ext;
2147
2148                 /* Use the parent frame as the current frame is not complete yet */
2149                 interp_push_lmf (&ext, frame->parent);
2150
2151                 frame->ex = mono_interp_transform_method (frame->runtime_method, context);
2152                 context->managed_code = 1;
2153
2154                 interp_pop_lmf (&ext);
2155
2156                 if (frame->ex) {
2157                         rtm = NULL;
2158                         ip = NULL;
2159                         goto exit_frame;
2160                 }
2161         }
2162
2163         rtm = frame->runtime_method;
2164         if (!start_with_ip ) {
2165                 frame->args = alloca (rtm->alloca_size);
2166                 memset (frame->args, 0, rtm->alloca_size);
2167
2168                 ip = rtm->code;
2169         } else {
2170                 ip = start_with_ip;
2171         }
2172         sp = frame->stack = (stackval *) ((char *) frame->args + rtm->args_size);
2173         vt_sp = (unsigned char *) sp + rtm->stack_size;
2174 #if DEBUG_INTERP
2175         vtalloc = vt_sp;
2176 #endif
2177         locals = (unsigned char *) vt_sp + rtm->vt_stack_size;
2178         frame->locals = locals;
2179         child_frame.parent = frame;
2180
2181         if (filter_exception) {
2182                 sp->data.p = filter_exception;
2183                 sp++;
2184         }
2185
2186         /*
2187          * using while (ip < end) may result in a 15% performance drop,
2188          * but it may be useful for debug
2189          */
2190         while (1) {
2191         main_loop:
2192                 /* g_assert (sp >= frame->stack); */
2193                 /* g_assert(vt_sp - vtalloc <= rtm->vt_stack_size); */
2194                 DUMP_INSTR();
2195                 MINT_IN_SWITCH (*ip) {
2196                 MINT_IN_CASE(MINT_INITLOCALS)
2197                         memset (locals, 0, rtm->locals_size);
2198                         ++ip;
2199                         MINT_IN_BREAK;
2200                 MINT_IN_CASE(MINT_NOP)
2201                         ++ip;
2202                         MINT_IN_BREAK;
2203                 MINT_IN_CASE(MINT_BREAK) {
2204                         ++ip;
2205
2206                         MonoLMFExt ext;
2207
2208                         interp_push_lmf (&ext, frame);
2209
2210                         mono_debugger_agent_user_break ();
2211
2212                         interp_pop_lmf (&ext);
2213                         MINT_IN_BREAK;
2214                 }
2215                 MINT_IN_CASE(MINT_LDNULL)
2216                         sp->data.p = NULL;
2217                         ++ip;
2218                         ++sp;
2219                         MINT_IN_BREAK;
2220                 MINT_IN_CASE(MINT_VTRESULT) {
2221                         int ret_size = * (guint16 *)(ip + 1);
2222                         unsigned char *ret_vt_sp = vt_sp;
2223                         vt_sp -= READ32(ip + 2);
2224                         if (ret_size > 0) {
2225                                 memmove (vt_sp, ret_vt_sp, ret_size);
2226                                 sp [-1].data.p = vt_sp;
2227                                 vt_sp += (ret_size + 7) & ~7;
2228                         }
2229                         ip += 4;
2230                         MINT_IN_BREAK;
2231                 }
2232 #define LDC(n) do { sp->data.i = (n); ++ip; ++sp; } while (0)
2233                 MINT_IN_CASE(MINT_LDC_I4_M1)
2234                         LDC(-1);
2235                         MINT_IN_BREAK;
2236                 MINT_IN_CASE(MINT_LDC_I4_0)
2237                         LDC(0);
2238                         MINT_IN_BREAK;
2239                 MINT_IN_CASE(MINT_LDC_I4_1)
2240                         LDC(1);
2241                         MINT_IN_BREAK;
2242                 MINT_IN_CASE(MINT_LDC_I4_2)
2243                         LDC(2);
2244                         MINT_IN_BREAK;
2245                 MINT_IN_CASE(MINT_LDC_I4_3)
2246                         LDC(3);
2247                         MINT_IN_BREAK;
2248                 MINT_IN_CASE(MINT_LDC_I4_4)
2249                         LDC(4);
2250                         MINT_IN_BREAK;
2251                 MINT_IN_CASE(MINT_LDC_I4_5)
2252                         LDC(5);
2253                         MINT_IN_BREAK;
2254                 MINT_IN_CASE(MINT_LDC_I4_6)
2255                         LDC(6);
2256                         MINT_IN_BREAK;
2257                 MINT_IN_CASE(MINT_LDC_I4_7)
2258                         LDC(7);
2259                         MINT_IN_BREAK;
2260                 MINT_IN_CASE(MINT_LDC_I4_8)
2261                         LDC(8);
2262                         MINT_IN_BREAK;
2263                 MINT_IN_CASE(MINT_LDC_I4_S)
2264                         sp->data.i = *(const short *)(ip + 1);
2265                         ip += 2;
2266                         ++sp;
2267                         MINT_IN_BREAK;
2268                 MINT_IN_CASE(MINT_LDC_I4)
2269                         ++ip;
2270                         sp->data.i = READ32 (ip);
2271                         ip += 2;
2272                         ++sp;
2273                         MINT_IN_BREAK;
2274                 MINT_IN_CASE(MINT_LDC_I8)
2275                         ++ip;
2276                         sp->data.l = READ64 (ip);
2277                         ip += 4;
2278                         ++sp;
2279                         MINT_IN_BREAK;
2280                 MINT_IN_CASE(MINT_LDC_R4) {
2281                         guint32 val;
2282                         ++ip;
2283                         val = READ32(ip);
2284                         sp->data.f = * (float *)&val;
2285                         ip += 2;
2286                         ++sp;
2287                         MINT_IN_BREAK;
2288                 }
2289                 MINT_IN_CASE(MINT_LDC_R8)
2290                         sp->data.l = READ64 (ip + 1); /* note union usage */
2291                         ip += 5;
2292                         ++sp;
2293                         MINT_IN_BREAK;
2294                 MINT_IN_CASE(MINT_DUP)
2295                         sp [0] = sp[-1];
2296                         ++sp;
2297                         ++ip;
2298                         MINT_IN_BREAK;
2299                 MINT_IN_CASE(MINT_DUP_VT)
2300                         i32 = READ32 (ip + 1);
2301                         sp->data.p = vt_sp;
2302                         memcpy(sp->data.p, sp [-1].data.p, i32);
2303                         vt_sp += (i32 + 7) & ~7;
2304                         ++sp;
2305                         ip += 3;
2306                         MINT_IN_BREAK;
2307                 MINT_IN_CASE(MINT_POP) {
2308                         guint16 u16 = (* (guint16 *)(ip + 1)) + 1;
2309                         if (u16 > 1)
2310                                 memmove (sp - u16, sp - 1, (u16 - 1) * sizeof (stackval));
2311                         sp--;
2312                         ip += 2;
2313                         MINT_IN_BREAK;
2314                 }
2315                 MINT_IN_CASE(MINT_JMP) {
2316                         RuntimeMethod *new_method = rtm->data_items [* (guint16 *)(ip + 1)];
2317                         if (!new_method->transformed) {
2318                                 frame->ip = ip;
2319                                 frame->ex = mono_interp_transform_method (new_method, context);
2320                                 if (frame->ex)
2321                                         goto exit_frame;
2322                         }
2323                         ip += 2;
2324                         if (new_method->alloca_size > rtm->alloca_size)
2325                                 g_error ("MINT_JMP to method which needs more stack space (%d > %d)", new_method->alloca_size, rtm->alloca_size);
2326                         rtm = frame->runtime_method = new_method;
2327                         vt_sp = (unsigned char *) sp + rtm->stack_size;
2328 #if DEBUG_INTERP
2329                         vtalloc = vt_sp;
2330 #endif
2331                         locals = vt_sp + rtm->vt_stack_size;
2332                         frame->locals = locals;
2333                         ip = rtm->new_body_start; /* bypass storing input args from callers frame */
2334                         MINT_IN_BREAK;
2335                 }
2336                 MINT_IN_CASE(MINT_CALLI) {
2337                         MonoMethodSignature *csignature;
2338                         stackval *endsp = sp;
2339
2340                         frame->ip = ip;
2341
2342                         csignature = rtm->data_items [* (guint16 *)(ip + 1)];
2343                         ip += 2;
2344                         --sp;
2345                         --endsp;
2346                         child_frame.runtime_method = sp->data.p;
2347
2348                         sp->data.p = vt_sp;
2349                         child_frame.retval = sp;
2350                         /* decrement by the actual number of args */
2351                         sp -= csignature->param_count;
2352                         if (csignature->hasthis)
2353                                 --sp;
2354                         child_frame.stack_args = sp;
2355
2356 #ifndef DISABLE_REMOTING
2357                         /* `this' can be NULL for string:.ctor */
2358                         if (csignature->hasthis && sp->data.p && mono_object_is_transparent_proxy (sp->data.p)) {
2359                                 child_frame.runtime_method = mono_interp_get_runtime_method (context->domain, mono_marshal_get_remoting_invoke (child_frame.runtime_method->method), &error);
2360                                 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
2361                         } else
2362 #endif
2363                         if (child_frame.runtime_method->method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) {
2364                                 child_frame.runtime_method = mono_interp_get_runtime_method (context->domain, mono_marshal_get_native_wrapper (child_frame.runtime_method->method, FALSE, FALSE), &error);
2365                                 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
2366                         }
2367
2368                         if (csignature->hasthis) {
2369                                 MonoObject *this_arg = sp->data.p;
2370
2371                                 if (this_arg->vtable->klass->valuetype) {
2372                                         gpointer *unboxed = mono_object_unbox (this_arg);
2373                                         sp [0].data.p = unboxed;
2374                                 }
2375                         }
2376
2377                         ves_exec_method_with_context (&child_frame, context, NULL, NULL, -1);
2378
2379                         context->current_frame = frame;
2380
2381                         if (context->has_resume_state) {
2382                                 if (frame == context->handler_frame)
2383                                         SET_RESUME_STATE (context);
2384                                 else
2385                                         goto exit_frame;
2386                         }
2387
2388                         if (child_frame.ex) {
2389                                 /*
2390                                  * An exception occurred, need to run finally, fault and catch handlers..
2391                                  */
2392                                 frame->ex = child_frame.ex;
2393                                 goto handle_finally;
2394                         }
2395
2396                         /* need to handle typedbyref ... */
2397                         if (csignature->ret->type != MONO_TYPE_VOID) {
2398                                 *sp = *endsp;
2399                                 sp++;
2400                         }
2401                         MINT_IN_BREAK;
2402                 }
2403                 MINT_IN_CASE(MINT_CALLI_NAT) {
2404                         MonoMethodSignature *csignature;
2405                         stackval *endsp = sp;
2406                         unsigned char *code = NULL;
2407
2408                         frame->ip = ip;
2409
2410                         csignature = rtm->data_items [* (guint16 *)(ip + 1)];
2411                         ip += 2;
2412                         --sp;
2413                         --endsp;
2414                         code = sp->data.p;
2415                         child_frame.runtime_method = NULL;
2416
2417                         sp->data.p = vt_sp;
2418                         child_frame.retval = sp;
2419                         /* decrement by the actual number of args */
2420                         sp -= csignature->param_count;
2421                         if (csignature->hasthis)
2422                                 --sp;
2423                         child_frame.stack_args = sp;
2424                         ves_pinvoke_method (&child_frame, csignature, (MonoFuncV) code, FALSE, context);
2425
2426                         context->current_frame = frame;
2427
2428                         if (context->has_resume_state) {
2429                                 if (frame == context->handler_frame)
2430                                         SET_RESUME_STATE (context);
2431                                 else
2432                                         goto exit_frame;
2433                         }
2434
2435                         if (child_frame.ex) {
2436                                 /*
2437                                  * An exception occurred, need to run finally, fault and catch handlers..
2438                                  */
2439                                 frame->ex = child_frame.ex;
2440                                 if (context->search_for_handler) {
2441                                         context->search_for_handler = 0;
2442                                         goto handle_exception;
2443                                 }
2444                                 goto handle_finally;
2445                         }
2446
2447                         /* need to handle typedbyref ... */
2448                         if (csignature->ret->type != MONO_TYPE_VOID) {
2449                                 *sp = *endsp;
2450                                 sp++;
2451                         }
2452                         MINT_IN_BREAK;
2453                 }
2454                 MINT_IN_CASE(MINT_CALL) {
2455                         stackval *endsp = sp;
2456
2457                         frame->ip = ip;
2458
2459                         child_frame.runtime_method = rtm->data_items [* (guint16 *)(ip + 1)];
2460                         ip += 2;
2461                         sp->data.p = vt_sp;
2462                         child_frame.retval = sp;
2463                         /* decrement by the actual number of args */
2464                         sp -= child_frame.runtime_method->param_count;
2465                         if (child_frame.runtime_method->hasthis)
2466                                 --sp;
2467                         child_frame.stack_args = sp;
2468
2469 #ifndef DISABLE_REMOTING
2470                         /* `this' can be NULL for string:.ctor */
2471                         if (child_frame.runtime_method->hasthis && !child_frame.runtime_method->method->klass->valuetype && sp->data.p && mono_object_is_transparent_proxy (sp->data.p)) {
2472                                 child_frame.runtime_method = mono_interp_get_runtime_method (context->domain, mono_marshal_get_remoting_invoke (child_frame.runtime_method->method), &error);
2473                                 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
2474                         }
2475 #endif
2476
2477                         ves_exec_method_with_context (&child_frame, context, NULL, NULL, -1);
2478
2479                         context->current_frame = frame;
2480
2481                         if (context->has_resume_state) {
2482                                 if (frame == context->handler_frame)
2483                                         SET_RESUME_STATE (context);
2484                                 else
2485                                         goto exit_frame;
2486                         }
2487
2488                         if (child_frame.ex) {
2489                                 /*
2490                                  * An exception occurred, need to run finally, fault and catch handlers..
2491                                  */
2492                                 frame->ex = child_frame.ex;
2493                                 goto handle_exception;;
2494                         }
2495
2496                         /* need to handle typedbyref ... */
2497                         *sp = *endsp;
2498                         sp++;
2499                         MINT_IN_BREAK;
2500                 }
2501                 MINT_IN_CASE(MINT_VCALL) {
2502                         frame->ip = ip;
2503
2504                         child_frame.runtime_method = rtm->data_items [* (guint16 *)(ip + 1)];
2505                         ip += 2;
2506
2507                         sp->data.p = vt_sp;
2508                         child_frame.retval = sp;
2509                         /* decrement by the actual number of args */
2510                         sp -= child_frame.runtime_method->param_count;
2511                         if (child_frame.runtime_method->hasthis) {
2512                                 --sp;
2513                                 MonoObject *this_arg = sp->data.p;
2514                                 if (!this_arg)
2515                                         THROW_EX (mono_get_exception_null_reference(), ip - 2);
2516                         }
2517                         child_frame.stack_args = sp;
2518
2519 #ifndef DISABLE_REMOTING
2520                         if (child_frame.runtime_method->hasthis && !child_frame.runtime_method->method->klass->valuetype && mono_object_is_transparent_proxy (sp->data.p)) {
2521                                 child_frame.runtime_method = mono_interp_get_runtime_method (context->domain, mono_marshal_get_remoting_invoke (child_frame.runtime_method->method), &error);
2522                                 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
2523                         }
2524 #endif
2525
2526                         ves_exec_method_with_context (&child_frame, context, NULL, NULL, -1);
2527
2528                         context->current_frame = frame;
2529
2530                         if (context->has_resume_state) {
2531                                 if (frame == context->handler_frame)
2532                                         SET_RESUME_STATE (context);
2533                                 else
2534                                         goto exit_frame;
2535                         }
2536
2537                         if (child_frame.ex) {
2538                                 /*
2539                                  * An exception occurred, need to run finally, fault and catch handlers..
2540                                  */
2541                                 frame->ex = child_frame.ex;
2542                                 goto handle_finally;
2543                         }
2544                         MINT_IN_BREAK;
2545                 }
2546
2547                 MINT_IN_CASE(MINT_JIT_CALL) {
2548                         MonoMethodSignature *sig;
2549                         RuntimeMethod *rmethod = rtm->data_items [* (guint16 *)(ip + 1)];
2550                         MonoFtnDesc ftndesc;
2551                         guint8 res_buf [256];
2552                         MonoType *type;
2553                         MonoLMFExt ext;
2554
2555                         //printf ("%s\n", mono_method_full_name (rmethod->method, 1));
2556
2557                         /*
2558                          * Call JITted code through a gsharedvt_out wrapper. These wrappers receive every argument
2559                          * by ref and return a return value using an explicit return value argument.
2560                          */
2561                         if (!rmethod->jit_wrapper) {
2562                                 MonoMethod *method = rmethod->method;
2563                                 MonoError error;
2564
2565                                 sig = mono_method_signature (method);
2566                                 g_assert (sig);
2567
2568                                 MonoMethod *wrapper = mini_get_gsharedvt_out_sig_wrapper (sig);
2569                                 //printf ("J: %s %s\n", mono_method_full_name (method, 1), mono_method_full_name (wrapper, 1));
2570
2571                                 gpointer jit_wrapper = mono_jit_compile_method_jit_only (wrapper, &error);
2572                                 mono_error_assert_ok (&error);
2573
2574                                 gpointer addr = mono_jit_compile_method_jit_only (method, &error);
2575                                 g_assert (addr);
2576                                 mono_error_assert_ok (&error);
2577
2578                                 rmethod->jit_addr = addr;
2579                                 rmethod->jit_sig = sig;
2580                                 mono_memory_barrier ();
2581                                 rmethod->jit_wrapper = jit_wrapper;
2582
2583                         } else {
2584                                 sig = rmethod->jit_sig;
2585                         }
2586
2587                         frame->ip = ip;
2588                         ip += 2;
2589                         sp -= sig->param_count;
2590                         if (sig->hasthis)
2591                                 --sp;
2592
2593                         ftndesc.addr = rmethod->jit_addr;
2594                         ftndesc.arg = NULL;
2595
2596                         // FIXME: Optimize this
2597
2598                         gpointer args [32];
2599                         int pindex = 0;
2600                         int stack_index = 0;
2601                         if (rmethod->hasthis) {
2602                                 args [pindex ++] = sp [0].data.p;
2603                                 stack_index ++;
2604                         }
2605                         type = rmethod->rtype;
2606                         if (type->type != MONO_TYPE_VOID) {
2607                                 if (MONO_TYPE_ISSTRUCT (type))
2608                                         args [pindex ++] = vt_sp;
2609                                 else
2610                                         args [pindex ++] = res_buf;
2611                         }
2612                         for (int i = 0; i < rmethod->param_count; ++i) {
2613                                 MonoType *t = rmethod->param_types [i];
2614                                 stackval *sval = &sp [stack_index + i];
2615                                 if (sig->params [i]->byref) {
2616                                         args [pindex ++] = sval->data.p;
2617                                 } else if (MONO_TYPE_ISSTRUCT (t)) {
2618                                         args [pindex ++] = sval->data.p;
2619                                 } else if (MONO_TYPE_IS_REFERENCE (t)) {
2620                                         args [pindex ++] = &sval->data.p;
2621                                 } else {
2622                                         switch (t->type) {
2623                                         case MONO_TYPE_I1:
2624                                         case MONO_TYPE_U1:
2625                                         case MONO_TYPE_I2:
2626                                         case MONO_TYPE_U2:
2627                                         case MONO_TYPE_I4:
2628                                         case MONO_TYPE_U4:
2629                                         case MONO_TYPE_VALUETYPE:
2630                                                 args [pindex ++] = &sval->data.i;
2631                                                 break;
2632                                         case MONO_TYPE_PTR:
2633                                         case MONO_TYPE_FNPTR:
2634                                         case MONO_TYPE_I:
2635                                         case MONO_TYPE_U:
2636                                         case MONO_TYPE_OBJECT:
2637                                                 args [pindex ++] = &sval->data.p;
2638                                                 break;
2639                                         case MONO_TYPE_I8:
2640                                         case MONO_TYPE_U8:
2641                                                 args [pindex ++] = &sval->data.l;
2642                                                 break;
2643                                         default:
2644                                                 printf ("%s\n", mono_type_full_name (t));
2645                                                 g_assert_not_reached ();
2646                                         }
2647                                 }
2648                         }
2649
2650                         interp_push_lmf (&ext, frame);
2651
2652                         switch (pindex) {
2653                         case 0: {
2654                                 void (*func)(gpointer) = rmethod->jit_wrapper;
2655
2656                                 func (&ftndesc);
2657                                 break;
2658                         }
2659                         case 1: {
2660                                 void (*func)(gpointer, gpointer) = rmethod->jit_wrapper;
2661
2662                                 func (args [0], &ftndesc);
2663                                 break;
2664                         }
2665                         case 2: {
2666                                 void (*func)(gpointer, gpointer, gpointer) = rmethod->jit_wrapper;
2667
2668                                 func (args [0], args [1], &ftndesc);
2669                                 break;
2670                         }
2671                         case 3: {
2672                                 void (*func)(gpointer, gpointer, gpointer, gpointer) = rmethod->jit_wrapper;
2673
2674                                 func (args [0], args [1], args [2], &ftndesc);
2675                                 break;
2676                         }
2677                         case 4: {
2678                                 void (*func)(gpointer, gpointer, gpointer, gpointer, gpointer) = rmethod->jit_wrapper;
2679
2680                                 func (args [0], args [1], args [2], args [3], &ftndesc);
2681                                 break;
2682                         }
2683                         case 5: {
2684                                 void (*func)(gpointer, gpointer, gpointer, gpointer, gpointer, gpointer) = rmethod->jit_wrapper;
2685
2686                                 func (args [0], args [1], args [2], args [3], args [4], &ftndesc);
2687                                 break;
2688                         }
2689                         case 6: {
2690                                 void (*func)(gpointer, gpointer, gpointer, gpointer, gpointer, gpointer, gpointer) = rmethod->jit_wrapper;
2691
2692                                 func (args [0], args [1], args [2], args [3], args [4], args [5], &ftndesc);
2693                                 break;
2694                         }
2695                         case 7: {
2696                                 void (*func)(gpointer, gpointer, gpointer, gpointer, gpointer, gpointer, gpointer, gpointer) = rmethod->jit_wrapper;
2697
2698                                 func (args [0], args [1], args [2], args [3], args [4], args [5], args [6], &ftndesc);
2699                                 break;
2700                         }
2701                         default:
2702                                 g_assert_not_reached ();
2703                                 break;
2704                         }
2705
2706                         interp_pop_lmf (&ext);
2707
2708                         if (context->has_resume_state) {
2709                                 /*
2710                                  * If this bit is set, it means the call has thrown the exception, and we
2711                                  * reached this point because the EH code in mono_handle_exception ()
2712                                  * unwound all the JITted frames below us. mono_interp_set_resume_state ()
2713                                  * has set the fields in context to indicate where we have to resume execution.
2714                                  */
2715                                 if (frame == context->handler_frame)
2716                                         SET_RESUME_STATE (context);
2717                                 else
2718                                         goto exit_frame;
2719                         }
2720
2721                         MonoType *rtype = rmethod->rtype;
2722                         switch (rtype->type) {
2723                         case MONO_TYPE_VOID:
2724                         case MONO_TYPE_OBJECT:
2725                         case MONO_TYPE_STRING:
2726                         case MONO_TYPE_CLASS:
2727                         case MONO_TYPE_ARRAY:
2728                         case MONO_TYPE_SZARRAY:
2729                         case MONO_TYPE_I:
2730                         case MONO_TYPE_U:
2731                                 sp->data.p = *(gpointer*)res_buf;
2732                                 break;
2733                         case MONO_TYPE_I1:
2734                                 sp->data.i = *(gint8*)res_buf;
2735                                 break;
2736                         case MONO_TYPE_U1:
2737                                 sp->data.i = *(guint8*)res_buf;
2738                                 break;
2739                         case MONO_TYPE_I2:
2740                                 sp->data.i = *(gint16*)res_buf;
2741                                 break;
2742                         case MONO_TYPE_U2:
2743                                 sp->data.i = *(guint16*)res_buf;
2744                                 break;
2745                         case MONO_TYPE_I4:
2746                                 sp->data.i = *(gint32*)res_buf;
2747                                 break;
2748                         case MONO_TYPE_U4:
2749                                 sp->data.i = *(guint32*)res_buf;
2750                                 break;
2751                         case MONO_TYPE_VALUETYPE:
2752                                 /* The result was written to vt_sp */
2753                                 sp->data.p = vt_sp;
2754                                 break;
2755                         case MONO_TYPE_GENERICINST:
2756                                 if (MONO_TYPE_IS_REFERENCE (rtype)) {
2757                                         sp->data.p = *(gpointer*)res_buf;
2758                                 } else {
2759                                         /* The result was written to vt_sp */
2760                                         sp->data.p = vt_sp;
2761                                 }
2762                                 break;
2763                         default:
2764                                 printf ("%s\n", mono_type_full_name (rtype));
2765                                 g_assert_not_reached ();
2766                                 break;
2767                         }
2768                         if (rtype->type != MONO_TYPE_VOID)
2769                                 sp++;
2770                         MINT_IN_BREAK;
2771                 }
2772
2773                 MINT_IN_CASE(MINT_CALLVIRT) {
2774                         stackval *endsp = sp;
2775                         MonoObject *this_arg;
2776                         guint32 token;
2777
2778                         frame->ip = ip;
2779
2780                         token = * (unsigned short *)(ip + 1);
2781                         ip += 2;
2782                         child_frame.runtime_method = rtm->data_items [token];
2783                         sp->data.p = vt_sp;
2784                         child_frame.retval = sp;
2785
2786                         /* decrement by the actual number of args */
2787                         sp -= child_frame.runtime_method->param_count + 1;
2788                         child_frame.stack_args = sp;
2789                         this_arg = sp->data.p;
2790                         if (!this_arg)
2791                                 THROW_EX (mono_get_exception_null_reference(), ip - 2);
2792                         child_frame.runtime_method = get_virtual_method (context->domain, child_frame.runtime_method, this_arg);
2793
2794                         MonoClass *this_class = this_arg->vtable->klass;
2795                         if (this_class->valuetype && child_frame.runtime_method->method->klass->valuetype) {
2796                                 /* unbox */
2797                                 gpointer *unboxed = mono_object_unbox (this_arg);
2798                                 sp [0].data.p = unboxed;
2799                         }
2800
2801                         ves_exec_method_with_context (&child_frame, context, NULL, NULL, -1);
2802
2803                         context->current_frame = frame;
2804
2805                         if (context->has_resume_state) {
2806                                 if (frame == context->handler_frame)
2807                                         SET_RESUME_STATE (context);
2808                                 else
2809                                         goto exit_frame;
2810                         }
2811
2812                         if (child_frame.ex) {
2813                                 /*
2814                                  * An exception occurred, need to run finally, fault and catch handlers..
2815                                  */
2816                                 frame->ex = child_frame.ex;
2817                                 if (context->search_for_handler) {
2818                                         context->search_for_handler = 0;
2819                                         goto handle_exception;
2820                                 }
2821                                 goto handle_finally;
2822                         }
2823
2824                         /* need to handle typedbyref ... */
2825                         *sp = *endsp;
2826                         sp++;
2827                         MINT_IN_BREAK;
2828                 }
2829                 MINT_IN_CASE(MINT_VCALLVIRT) {
2830                         MonoObject *this_arg;
2831                         guint32 token;
2832
2833                         frame->ip = ip;
2834
2835                         token = * (unsigned short *)(ip + 1);
2836                         ip += 2;
2837                         child_frame.runtime_method = rtm->data_items [token];
2838                         sp->data.p = vt_sp;
2839                         child_frame.retval = sp;
2840
2841                         /* decrement by the actual number of args */
2842                         sp -= child_frame.runtime_method->param_count + 1;
2843                         child_frame.stack_args = sp;
2844                         this_arg = sp->data.p;
2845                         if (!this_arg)
2846                                 THROW_EX (mono_get_exception_null_reference(), ip - 2);
2847                         child_frame.runtime_method = get_virtual_method (context->domain, child_frame.runtime_method, this_arg);
2848
2849                         MonoClass *this_class = this_arg->vtable->klass;
2850                         if (this_class->valuetype && child_frame.runtime_method->method->klass->valuetype) {
2851                                 gpointer *unboxed = mono_object_unbox (this_arg);
2852                                 sp [0].data.p = unboxed;
2853                         }
2854
2855                         ves_exec_method_with_context (&child_frame, context, NULL, NULL, -1);
2856
2857                         context->current_frame = frame;
2858
2859                         if (context->has_resume_state) {
2860                                 if (frame == context->handler_frame)
2861                                         SET_RESUME_STATE (context);
2862                                 else
2863                                         goto exit_frame;
2864                         }
2865
2866                         if (child_frame.ex) {
2867                                 /*
2868                                  * An exception occurred, need to run finally, fault and catch handlers..
2869                                  */
2870                                 frame->ex = child_frame.ex;
2871                                 if (context->search_for_handler) {
2872                                         context->search_for_handler = 0;
2873                                         goto handle_exception;
2874                                 }
2875                                 goto handle_finally;
2876                         }
2877                         MINT_IN_BREAK;
2878                 }
2879                 MINT_IN_CASE(MINT_CALLRUN)
2880                         ves_runtime_method (frame, context);
2881                         if (frame->ex) {
2882                                 rtm = NULL;
2883                                 goto handle_exception;
2884                         }
2885                         goto exit_frame;
2886                 MINT_IN_CASE(MINT_RET)
2887                         --sp;
2888                         *frame->retval = *sp;
2889                         if (sp > frame->stack)
2890                                 g_warning ("ret: more values on stack: %d", sp-frame->stack);
2891                         goto exit_frame;
2892                 MINT_IN_CASE(MINT_RET_VOID)
2893                         if (sp > frame->stack)
2894                                 g_warning ("ret.void: more values on stack: %d %s", sp-frame->stack, mono_method_full_name (frame->runtime_method->method, TRUE));
2895                         goto exit_frame;
2896                 MINT_IN_CASE(MINT_RET_VT)
2897                         i32 = READ32(ip + 1);
2898                         --sp;
2899                         memcpy(frame->retval->data.p, sp->data.p, i32);
2900                         if (sp > frame->stack)
2901                                 g_warning ("ret.vt: more values on stack: %d", sp-frame->stack);
2902                         goto exit_frame;
2903                 MINT_IN_CASE(MINT_BR_S)
2904                         ip += (short) *(ip + 1);
2905                         MINT_IN_BREAK;
2906                 MINT_IN_CASE(MINT_BR)
2907                         ip += (gint32) READ32(ip + 1);
2908                         MINT_IN_BREAK;
2909 #define ZEROP_S(datamem, op) \
2910         --sp; \
2911         if (sp->data.datamem op 0) \
2912                 ip += * (gint16 *)(ip + 1); \
2913         else \
2914                 ip += 2;
2915
2916 #define ZEROP(datamem, op) \
2917         --sp; \
2918         if (sp->data.datamem op 0) \
2919                 ip += READ32(ip + 1); \
2920         else \
2921                 ip += 3;
2922
2923                 MINT_IN_CASE(MINT_BRFALSE_I4_S)
2924                         ZEROP_S(i, ==);
2925                         MINT_IN_BREAK;
2926                 MINT_IN_CASE(MINT_BRFALSE_I8_S)
2927                         ZEROP_S(l, ==);
2928                         MINT_IN_BREAK;
2929                 MINT_IN_CASE(MINT_BRFALSE_R8_S)
2930                         ZEROP_S(f, ==);
2931                         MINT_IN_BREAK;
2932                 MINT_IN_CASE(MINT_BRFALSE_I4)
2933                         ZEROP(i, ==);
2934                         MINT_IN_BREAK;
2935                 MINT_IN_CASE(MINT_BRFALSE_I8)
2936                         ZEROP(l, ==);
2937                         MINT_IN_BREAK;
2938                 MINT_IN_CASE(MINT_BRFALSE_R8)
2939                         ZEROP_S(f, ==);
2940                         MINT_IN_BREAK;
2941                 MINT_IN_CASE(MINT_BRTRUE_I4_S)
2942                         ZEROP_S(i, !=);
2943                         MINT_IN_BREAK;
2944                 MINT_IN_CASE(MINT_BRTRUE_I8_S)
2945                         ZEROP_S(l, !=);
2946                         MINT_IN_BREAK;
2947                 MINT_IN_CASE(MINT_BRTRUE_R8_S)
2948                         ZEROP_S(f, !=);
2949                         MINT_IN_BREAK;
2950                 MINT_IN_CASE(MINT_BRTRUE_I4)
2951                         ZEROP(i, !=);
2952                         MINT_IN_BREAK;
2953                 MINT_IN_CASE(MINT_BRTRUE_I8)
2954                         ZEROP(l, !=);
2955                         MINT_IN_BREAK;
2956                 MINT_IN_CASE(MINT_BRTRUE_R8)
2957                         ZEROP(f, !=);
2958                         MINT_IN_BREAK;
2959 #define CONDBR_S(cond) \
2960         sp -= 2; \
2961         if (cond) \
2962                 ip += * (gint16 *)(ip + 1); \
2963         else \
2964                 ip += 2;
2965 #define BRELOP_S(datamem, op) \
2966         CONDBR_S(sp[0].data.datamem op sp[1].data.datamem)
2967
2968 #define CONDBR(cond) \
2969         sp -= 2; \
2970         if (cond) \
2971                 ip += READ32(ip + 1); \
2972         else \
2973                 ip += 3;
2974
2975 #define BRELOP(datamem, op) \
2976         CONDBR(sp[0].data.datamem op sp[1].data.datamem)
2977
2978                 MINT_IN_CASE(MINT_BEQ_I4_S)
2979                         BRELOP_S(i, ==)
2980                         MINT_IN_BREAK;
2981                 MINT_IN_CASE(MINT_BEQ_I8_S)
2982                         BRELOP_S(l, ==)
2983                         MINT_IN_BREAK;
2984                 MINT_IN_CASE(MINT_BEQ_R8_S)
2985                         CONDBR_S(!isunordered (sp [0].data.f, sp [1].data.f) && sp[0].data.f == sp[1].data.f)
2986                         MINT_IN_BREAK;
2987                 MINT_IN_CASE(MINT_BEQ_I4)
2988                         BRELOP(i, ==)
2989                         MINT_IN_BREAK;
2990                 MINT_IN_CASE(MINT_BEQ_I8)
2991                         BRELOP(l, ==)
2992                         MINT_IN_BREAK;
2993                 MINT_IN_CASE(MINT_BEQ_R8)
2994                         CONDBR(!isunordered (sp [0].data.f, sp [1].data.f) && sp[0].data.f == sp[1].data.f)
2995                         MINT_IN_BREAK;
2996                 MINT_IN_CASE(MINT_BGE_I4_S)
2997                         BRELOP_S(i, >=)
2998                         MINT_IN_BREAK;
2999                 MINT_IN_CASE(MINT_BGE_I8_S)
3000                         BRELOP_S(l, >=)
3001                         MINT_IN_BREAK;
3002                 MINT_IN_CASE(MINT_BGE_R8_S)
3003                         CONDBR_S(!isunordered (sp [0].data.f, sp [1].data.f) && sp[0].data.f >= sp[1].data.f)
3004                         MINT_IN_BREAK;
3005                 MINT_IN_CASE(MINT_BGE_I4)
3006                         BRELOP(i, >=)
3007                         MINT_IN_BREAK;
3008                 MINT_IN_CASE(MINT_BGE_I8)
3009                         BRELOP(l, >=)
3010                         MINT_IN_BREAK;
3011                 MINT_IN_CASE(MINT_BGE_R8)
3012                         CONDBR(!isunordered (sp [0].data.f, sp [1].data.f) && sp[0].data.f >= sp[1].data.f)
3013                         MINT_IN_BREAK;
3014                 MINT_IN_CASE(MINT_BGT_I4_S)
3015                         BRELOP_S(i, >)
3016                         MINT_IN_BREAK;
3017                 MINT_IN_CASE(MINT_BGT_I8_S)
3018                         BRELOP_S(l, >)
3019                         MINT_IN_BREAK;
3020                 MINT_IN_CASE(MINT_BGT_R8_S)
3021                         CONDBR_S(!isunordered (sp [0].data.f, sp [1].data.f) && sp[0].data.f > sp[1].data.f)
3022                         MINT_IN_BREAK;
3023                 MINT_IN_CASE(MINT_BGT_I4)
3024                         BRELOP(i, >)
3025                         MINT_IN_BREAK;
3026                 MINT_IN_CASE(MINT_BGT_I8)
3027                         BRELOP(l, >)
3028                         MINT_IN_BREAK;
3029                 MINT_IN_CASE(MINT_BGT_R8)
3030                         CONDBR(!isunordered (sp [0].data.f, sp [1].data.f) && sp[0].data.f > sp[1].data.f)
3031                         MINT_IN_BREAK;
3032                 MINT_IN_CASE(MINT_BLT_I4_S)
3033                         BRELOP_S(i, <)
3034                         MINT_IN_BREAK;
3035                 MINT_IN_CASE(MINT_BLT_I8_S)
3036                         BRELOP_S(l, <)
3037                         MINT_IN_BREAK;
3038                 MINT_IN_CASE(MINT_BLT_R8_S)
3039                         CONDBR_S(!isunordered (sp [0].data.f, sp [1].data.f) && sp[0].data.f < sp[1].data.f)
3040                         MINT_IN_BREAK;
3041                 MINT_IN_CASE(MINT_BLT_I4)
3042                         BRELOP(i, <)
3043                         MINT_IN_BREAK;
3044                 MINT_IN_CASE(MINT_BLT_I8)
3045                         BRELOP(l, <)
3046                         MINT_IN_BREAK;
3047                 MINT_IN_CASE(MINT_BLT_R8)
3048                         CONDBR(!isunordered (sp [0].data.f, sp [1].data.f) && sp[0].data.f < sp[1].data.f)
3049                         MINT_IN_BREAK;
3050                 MINT_IN_CASE(MINT_BLE_I4_S)
3051                         BRELOP_S(i, <=)
3052                         MINT_IN_BREAK;
3053                 MINT_IN_CASE(MINT_BLE_I8_S)
3054                         BRELOP_S(l, <=)
3055                         MINT_IN_BREAK;
3056                 MINT_IN_CASE(MINT_BLE_R8_S)
3057                         CONDBR_S(!isunordered (sp [0].data.f, sp [1].data.f) && sp[0].data.f <= sp[1].data.f)
3058                         MINT_IN_BREAK;
3059                 MINT_IN_CASE(MINT_BLE_I4)
3060                         BRELOP(i, <=)
3061                         MINT_IN_BREAK;
3062                 MINT_IN_CASE(MINT_BLE_I8)
3063                         BRELOP(l, <=)
3064                         MINT_IN_BREAK;
3065                 MINT_IN_CASE(MINT_BLE_R8)
3066                         CONDBR(!isunordered (sp [0].data.f, sp [1].data.f) && sp[0].data.f <= sp[1].data.f)
3067                         MINT_IN_BREAK;
3068                 MINT_IN_CASE(MINT_BNE_UN_I4_S)
3069                         BRELOP_S(i, !=)
3070                         MINT_IN_BREAK;
3071                 MINT_IN_CASE(MINT_BNE_UN_I8_S)
3072                         BRELOP_S(l, !=)
3073                         MINT_IN_BREAK;
3074                 MINT_IN_CASE(MINT_BNE_UN_R8_S)
3075                         CONDBR_S(isunordered (sp [0].data.f, sp [1].data.f) || sp[0].data.f != sp[1].data.f)
3076                         MINT_IN_BREAK;
3077                 MINT_IN_CASE(MINT_BNE_UN_I4)
3078                         BRELOP(i, !=)
3079                         MINT_IN_BREAK;
3080                 MINT_IN_CASE(MINT_BNE_UN_I8)
3081                         BRELOP(l, !=)
3082                         MINT_IN_BREAK;
3083                 MINT_IN_CASE(MINT_BNE_UN_R8)
3084                         CONDBR(isunordered (sp [0].data.f, sp [1].data.f) || sp[0].data.f != sp[1].data.f)
3085                         MINT_IN_BREAK;
3086
3087 #define BRELOP_S_CAST(datamem, op, type) \
3088         sp -= 2; \
3089         if ((type) sp[0].data.datamem op (type) sp[1].data.datamem) \
3090                 ip += * (gint16 *)(ip + 1); \
3091         else \
3092                 ip += 2;
3093
3094 #define BRELOP_CAST(datamem, op, type) \
3095         sp -= 2; \
3096         if ((type) sp[0].data.datamem op (type) sp[1].data.datamem) \
3097                 ip += READ32(ip + 1); \
3098         else \
3099                 ip += 3;
3100
3101                 MINT_IN_CASE(MINT_BGE_UN_I4_S)
3102                         BRELOP_S_CAST(i, >=, guint32);
3103                         MINT_IN_BREAK;
3104                 MINT_IN_CASE(MINT_BGE_UN_I8_S)
3105                         BRELOP_S_CAST(l, >=, guint64);
3106                         MINT_IN_BREAK;
3107                 MINT_IN_CASE(MINT_BGE_UN_R8_S)
3108                         CONDBR_S(isunordered (sp [0].data.f, sp [1].data.f) || sp[0].data.f >= sp[1].data.f)
3109                         MINT_IN_BREAK;
3110                 MINT_IN_CASE(MINT_BGE_UN_I4)
3111                         BRELOP_CAST(i, >=, guint32);
3112                         MINT_IN_BREAK;
3113                 MINT_IN_CASE(MINT_BGE_UN_I8)
3114                         BRELOP_CAST(l, >=, guint64);
3115                         MINT_IN_BREAK;
3116                 MINT_IN_CASE(MINT_BGE_UN_R8)
3117                         CONDBR(isunordered (sp [0].data.f, sp [1].data.f) || sp[0].data.f >= sp[1].data.f)
3118                         MINT_IN_BREAK;
3119                 MINT_IN_CASE(MINT_BGT_UN_I4_S)
3120                         BRELOP_S_CAST(i, >, guint32);
3121                         MINT_IN_BREAK;
3122                 MINT_IN_CASE(MINT_BGT_UN_I8_S)
3123                         BRELOP_S_CAST(l, >, guint64);
3124                         MINT_IN_BREAK;
3125                 MINT_IN_CASE(MINT_BGT_UN_R8_S)
3126                         CONDBR_S(isunordered (sp [0].data.f, sp [1].data.f) || sp[0].data.f > sp[1].data.f)
3127                         MINT_IN_BREAK;
3128                 MINT_IN_CASE(MINT_BGT_UN_I4)
3129                         BRELOP_CAST(i, >, guint32);
3130                         MINT_IN_BREAK;
3131                 MINT_IN_CASE(MINT_BGT_UN_I8)
3132                         BRELOP_CAST(l, >, guint64);
3133                         MINT_IN_BREAK;
3134                 MINT_IN_CASE(MINT_BGT_UN_R8)
3135                         CONDBR(isunordered (sp [0].data.f, sp [1].data.f) || sp[0].data.f > sp[1].data.f)
3136                         MINT_IN_BREAK;
3137                 MINT_IN_CASE(MINT_BLE_UN_I4_S)
3138                         BRELOP_S_CAST(i, <=, guint32);
3139                         MINT_IN_BREAK;
3140                 MINT_IN_CASE(MINT_BLE_UN_I8_S)
3141                         BRELOP_S_CAST(l, <=, guint64);
3142                         MINT_IN_BREAK;
3143                 MINT_IN_CASE(MINT_BLE_UN_R8_S)
3144                         CONDBR_S(isunordered (sp [0].data.f, sp [1].data.f) || sp[0].data.f <= sp[1].data.f)
3145                         MINT_IN_BREAK;
3146                 MINT_IN_CASE(MINT_BLE_UN_I4)
3147                         BRELOP_CAST(i, <=, guint32);
3148                         MINT_IN_BREAK;
3149                 MINT_IN_CASE(MINT_BLE_UN_I8)
3150                         BRELOP_CAST(l, <=, guint64);
3151                         MINT_IN_BREAK;
3152                 MINT_IN_CASE(MINT_BLE_UN_R8)
3153                         CONDBR(isunordered (sp [0].data.f, sp [1].data.f) || sp[0].data.f <= sp[1].data.f)
3154                         MINT_IN_BREAK;
3155                 MINT_IN_CASE(MINT_BLT_UN_I4_S)
3156                         BRELOP_S_CAST(i, <, guint32);
3157                         MINT_IN_BREAK;
3158                 MINT_IN_CASE(MINT_BLT_UN_I8_S)
3159                         BRELOP_S_CAST(l, <, guint64);
3160                         MINT_IN_BREAK;
3161                 MINT_IN_CASE(MINT_BLT_UN_R8_S)
3162                         CONDBR_S(isunordered (sp [0].data.f, sp [1].data.f) || sp[0].data.f < sp[1].data.f)
3163                         MINT_IN_BREAK;
3164                 MINT_IN_CASE(MINT_BLT_UN_I4)
3165                         BRELOP_CAST(i, <, guint32);
3166                         MINT_IN_BREAK;
3167                 MINT_IN_CASE(MINT_BLT_UN_I8)
3168                         BRELOP_CAST(l, <, guint64);
3169                         MINT_IN_BREAK;
3170                 MINT_IN_CASE(MINT_BLT_UN_R8)
3171                         CONDBR(isunordered (sp [0].data.f, sp [1].data.f) || sp[0].data.f < sp[1].data.f)
3172                         MINT_IN_BREAK;
3173                 MINT_IN_CASE(MINT_SWITCH) {
3174                         guint32 n;
3175                         const unsigned short *st;
3176                         ++ip;
3177                         n = READ32 (ip);
3178                         ip += 2;
3179                         st = ip + 2 * n;
3180                         --sp;
3181                         if ((guint32)sp->data.i < n) {
3182                                 gint offset;
3183                                 ip += 2 * (guint32)sp->data.i;
3184                                 offset = READ32 (ip);
3185                                 ip = ip + offset;
3186                         } else {
3187                                 ip = st;
3188                         }
3189                         MINT_IN_BREAK;
3190                 }
3191                 MINT_IN_CASE(MINT_LDIND_I1)
3192                         ++ip;
3193                         sp[-1].data.i = *(gint8*)sp[-1].data.p;
3194                         MINT_IN_BREAK;
3195                 MINT_IN_CASE(MINT_LDIND_U1)
3196                         ++ip;
3197                         sp[-1].data.i = *(guint8*)sp[-1].data.p;
3198                         MINT_IN_BREAK;
3199                 MINT_IN_CASE(MINT_LDIND_I2)
3200                         ++ip;
3201                         sp[-1].data.i = *(gint16*)sp[-1].data.p;
3202                         MINT_IN_BREAK;
3203                 MINT_IN_CASE(MINT_LDIND_U2)
3204                         ++ip;
3205                         sp[-1].data.i = *(guint16*)sp[-1].data.p;
3206                         MINT_IN_BREAK;
3207                 MINT_IN_CASE(MINT_LDIND_I4) /* Fall through */
3208                 MINT_IN_CASE(MINT_LDIND_U4)
3209                         ++ip;
3210                         sp[-1].data.i = *(gint32*)sp[-1].data.p;
3211                         MINT_IN_BREAK;
3212                 MINT_IN_CASE(MINT_LDIND_I8)
3213                         ++ip;
3214                         /* memmove handles unaligned case */
3215                         memmove (&sp [-1].data.l, sp [-1].data.p, sizeof (gint64));
3216                         MINT_IN_BREAK;
3217                 MINT_IN_CASE(MINT_LDIND_I) {
3218                         guint16 offset = * (guint16 *)(ip + 1);
3219                         sp[-1 - offset].data.p = *(gpointer*)sp[-1 - offset].data.p;
3220                         ip += 2;
3221                         MINT_IN_BREAK;
3222                 }
3223                 MINT_IN_CASE(MINT_LDIND_R4)
3224                         ++ip;
3225                         sp[-1].data.f = *(gfloat*)sp[-1].data.p;
3226                         MINT_IN_BREAK;
3227                 MINT_IN_CASE(MINT_LDIND_R8)
3228                         ++ip;
3229                         sp[-1].data.f = *(gdouble*)sp[-1].data.p;
3230                         MINT_IN_BREAK;
3231                 MINT_IN_CASE(MINT_LDIND_REF)
3232                         ++ip;
3233                         sp[-1].data.p = *(gpointer*)sp[-1].data.p;
3234                         MINT_IN_BREAK;
3235                 MINT_IN_CASE(MINT_STIND_REF)
3236                         ++ip;
3237                         sp -= 2;
3238                         mono_gc_wbarrier_generic_store (sp->data.p, sp [1].data.p);
3239                         MINT_IN_BREAK;
3240                 MINT_IN_CASE(MINT_STIND_I1)
3241                         ++ip;
3242                         sp -= 2;
3243                         * (gint8 *) sp->data.p = (gint8)sp[1].data.i;
3244                         MINT_IN_BREAK;
3245                 MINT_IN_CASE(MINT_STIND_I2)
3246                         ++ip;
3247                         sp -= 2;
3248                         * (gint16 *) sp->data.p = (gint16)sp[1].data.i;
3249                         MINT_IN_BREAK;
3250                 MINT_IN_CASE(MINT_STIND_I4)
3251                         ++ip;
3252                         sp -= 2;
3253                         * (gint32 *) sp->data.p = sp[1].data.i;
3254                         MINT_IN_BREAK;
3255                 MINT_IN_CASE(MINT_STIND_I)
3256                         ++ip;
3257                         sp -= 2;
3258                         * (mono_i *) sp->data.p = (mono_i)sp[1].data.p;
3259                         MINT_IN_BREAK;
3260                 MINT_IN_CASE(MINT_STIND_I8)
3261                         ++ip;
3262                         sp -= 2;
3263                         * (gint64 *) sp->data.p = sp[1].data.l;
3264                         MINT_IN_BREAK;
3265                 MINT_IN_CASE(MINT_STIND_R4)
3266                         ++ip;
3267                         sp -= 2;
3268                         * (float *) sp->data.p = (gfloat)sp[1].data.f;
3269                         MINT_IN_BREAK;
3270                 MINT_IN_CASE(MINT_STIND_R8)
3271                         ++ip;
3272                         sp -= 2;
3273                         * (double *) sp->data.p = sp[1].data.f;
3274                         MINT_IN_BREAK;
3275                 MINT_IN_CASE(MINT_MONO_ATOMIC_STORE_I4)
3276                         ++ip;
3277                         sp -= 2;
3278                         InterlockedWrite ((gint32 *) sp->data.p, sp [1].data.i);
3279                         MINT_IN_BREAK;
3280 #define BINOP(datamem, op) \
3281         --sp; \
3282         sp [-1].data.datamem = sp [-1].data.datamem op sp [0].data.datamem; \
3283         ++ip;
3284                 MINT_IN_CASE(MINT_ADD_I4)
3285                         BINOP(i, +);
3286                         MINT_IN_BREAK;
3287                 MINT_IN_CASE(MINT_ADD_I8)
3288                         BINOP(l, +);
3289                         MINT_IN_BREAK;
3290                 MINT_IN_CASE(MINT_ADD_R8)
3291                         BINOP(f, +);
3292                         MINT_IN_BREAK;
3293                 MINT_IN_CASE(MINT_ADD1_I4)
3294                         ++sp [-1].data.i;
3295                         ++ip;
3296                         MINT_IN_BREAK;
3297                 MINT_IN_CASE(MINT_SUB_I4)
3298                         BINOP(i, -);
3299                         MINT_IN_BREAK;
3300                 MINT_IN_CASE(MINT_SUB_I8)
3301                         BINOP(l, -);
3302                         MINT_IN_BREAK;
3303                 MINT_IN_CASE(MINT_SUB_R8)
3304                         BINOP(f, -);
3305                         MINT_IN_BREAK;
3306                 MINT_IN_CASE(MINT_SUB1_I4)
3307                         --sp [-1].data.i;
3308                         ++ip;
3309                         MINT_IN_BREAK;
3310                 MINT_IN_CASE(MINT_MUL_I4)
3311                         BINOP(i, *);
3312                         MINT_IN_BREAK;
3313                 MINT_IN_CASE(MINT_MUL_I8)
3314                         BINOP(l, *);
3315                         MINT_IN_BREAK;
3316                 MINT_IN_CASE(MINT_MUL_R8)
3317                         BINOP(f, *);
3318                         MINT_IN_BREAK;
3319                 MINT_IN_CASE(MINT_DIV_I4)
3320                         if (sp [-1].data.i == 0)
3321                                 THROW_EX (mono_get_exception_divide_by_zero (), ip);
3322                         if (sp [-1].data.i == (-1))
3323                                 THROW_EX (mono_get_exception_overflow (), ip);
3324                         BINOP(i, /);
3325                         MINT_IN_BREAK;
3326                 MINT_IN_CASE(MINT_DIV_I8)
3327                         if (sp [-1].data.l == 0)
3328                                 THROW_EX (mono_get_exception_divide_by_zero (), ip);
3329                         if (sp [-1].data.l == (-1))
3330                                 THROW_EX (mono_get_exception_overflow (), ip);
3331                         BINOP(l, /);
3332                         MINT_IN_BREAK;
3333                 MINT_IN_CASE(MINT_DIV_R8)
3334                         BINOP(f, /);
3335                         MINT_IN_BREAK;
3336
3337 #define BINOP_CAST(datamem, op, type) \
3338         --sp; \
3339         sp [-1].data.datamem = (type)sp [-1].data.datamem op (type)sp [0].data.datamem; \
3340         ++ip;
3341                 MINT_IN_CASE(MINT_DIV_UN_I4)
3342                         if (sp [-1].data.i == 0)
3343                                 THROW_EX (mono_get_exception_divide_by_zero (), ip);
3344                         BINOP_CAST(i, /, guint32);
3345                         MINT_IN_BREAK;
3346                 MINT_IN_CASE(MINT_DIV_UN_I8)
3347                         if (sp [-1].data.l == 0)
3348                                 THROW_EX (mono_get_exception_divide_by_zero (), ip);
3349                         BINOP_CAST(l, /, guint64);
3350                         MINT_IN_BREAK;
3351                 MINT_IN_CASE(MINT_REM_I4)
3352                         if (sp [-1].data.i == 0)
3353                                 THROW_EX (mono_get_exception_divide_by_zero (), ip);
3354                         if (sp [-1].data.i == (-1))
3355                                 THROW_EX (mono_get_exception_overflow (), ip);
3356                         BINOP(i, %);
3357                         MINT_IN_BREAK;
3358                 MINT_IN_CASE(MINT_REM_I8)
3359                         if (sp [-1].data.l == 0)
3360                                 THROW_EX (mono_get_exception_divide_by_zero (), ip);
3361                         if (sp [-1].data.l == (-1))
3362                                 THROW_EX (mono_get_exception_overflow (), ip);
3363                         BINOP(l, %);
3364                         MINT_IN_BREAK;
3365                 MINT_IN_CASE(MINT_REM_R8)
3366                         /* FIXME: what do we actually do here? */
3367                         --sp;
3368                         sp [-1].data.f = fmod (sp [-1].data.f, sp [0].data.f);
3369                         ++ip;
3370                         MINT_IN_BREAK;
3371                 MINT_IN_CASE(MINT_REM_UN_I4)
3372                         if (sp [-1].data.i == 0)
3373                                 THROW_EX (mono_get_exception_divide_by_zero (), ip);
3374                         BINOP_CAST(i, %, guint32);
3375                         MINT_IN_BREAK;
3376                 MINT_IN_CASE(MINT_REM_UN_I8)
3377                         if (sp [-1].data.l == 0)
3378                                 THROW_EX (mono_get_exception_divide_by_zero (), ip);
3379                         BINOP_CAST(l, %, guint64);
3380                         MINT_IN_BREAK;
3381                 MINT_IN_CASE(MINT_AND_I4)
3382                         BINOP(i, &);
3383                         MINT_IN_BREAK;
3384                 MINT_IN_CASE(MINT_AND_I8)
3385                         BINOP(l, &);
3386                         MINT_IN_BREAK;
3387                 MINT_IN_CASE(MINT_OR_I4)
3388                         BINOP(i, |);
3389                         MINT_IN_BREAK;
3390                 MINT_IN_CASE(MINT_OR_I8)
3391                         BINOP(l, |);
3392                         MINT_IN_BREAK;
3393                 MINT_IN_CASE(MINT_XOR_I4)
3394                         BINOP(i, ^);
3395                         MINT_IN_BREAK;
3396                 MINT_IN_CASE(MINT_XOR_I8)
3397                         BINOP(l, ^);
3398                         MINT_IN_BREAK;
3399
3400 #define SHIFTOP(datamem, op) \
3401         --sp; \
3402         sp [-1].data.datamem = sp [-1].data.datamem op sp [0].data.i; \
3403         ++ip;
3404
3405                 MINT_IN_CASE(MINT_SHL_I4)
3406                         SHIFTOP(i, <<);
3407                         MINT_IN_BREAK;
3408                 MINT_IN_CASE(MINT_SHL_I8)
3409                         SHIFTOP(l, <<);
3410                         MINT_IN_BREAK;
3411                 MINT_IN_CASE(MINT_SHR_I4)
3412                         SHIFTOP(i, >>);
3413                         MINT_IN_BREAK;
3414                 MINT_IN_CASE(MINT_SHR_I8)
3415                         SHIFTOP(l, >>);
3416                         MINT_IN_BREAK;
3417                 MINT_IN_CASE(MINT_SHR_UN_I4)
3418                         --sp;
3419                         sp [-1].data.i = (guint32)sp [-1].data.i >> sp [0].data.i;
3420                         ++ip;
3421                         MINT_IN_BREAK;
3422                 MINT_IN_CASE(MINT_SHR_UN_I8)
3423                         --sp;
3424                         sp [-1].data.l = (guint64)sp [-1].data.l >> sp [0].data.i;
3425                         ++ip;
3426                         MINT_IN_BREAK;
3427                 MINT_IN_CASE(MINT_NEG_I4)
3428                         sp [-1].data.i = - sp [-1].data.i;
3429                         ++ip;
3430                         MINT_IN_BREAK;
3431                 MINT_IN_CASE(MINT_NEG_I8)
3432                         sp [-1].data.l = - sp [-1].data.l;
3433                         ++ip;
3434                         MINT_IN_BREAK;
3435                 MINT_IN_CASE(MINT_NEG_R8)
3436                         sp [-1].data.f = - sp [-1].data.f;
3437                         ++ip;
3438                         MINT_IN_BREAK;
3439                 MINT_IN_CASE(MINT_NOT_I4)
3440                         sp [-1].data.i = ~ sp [-1].data.i;
3441                         ++ip;
3442                         MINT_IN_BREAK;
3443                 MINT_IN_CASE(MINT_NOT_I8)
3444                         sp [-1].data.l = ~ sp [-1].data.l;
3445                         ++ip;
3446                         MINT_IN_BREAK;
3447                 MINT_IN_CASE(MINT_CONV_I1_I4)
3448                         sp [-1].data.i = (gint8)sp [-1].data.i;
3449                         ++ip;
3450                         MINT_IN_BREAK;
3451                 MINT_IN_CASE(MINT_CONV_I1_I8)
3452                         sp [-1].data.i = (gint8)sp [-1].data.l;
3453                         ++ip;
3454                         MINT_IN_BREAK;
3455                 MINT_IN_CASE(MINT_CONV_I1_R8)
3456                         sp [-1].data.i = (gint8)sp [-1].data.f;
3457                         ++ip;
3458                         MINT_IN_BREAK;
3459                 MINT_IN_CASE(MINT_CONV_U1_I4)
3460                         sp [-1].data.i = (guint8)sp [-1].data.i;
3461                         ++ip;
3462                         MINT_IN_BREAK;
3463                 MINT_IN_CASE(MINT_CONV_U1_I8)
3464                         sp [-1].data.i = (guint8)sp [-1].data.l;
3465                         ++ip;
3466                         MINT_IN_BREAK;
3467                 MINT_IN_CASE(MINT_CONV_U1_R8)
3468                         sp [-1].data.i = (guint8)sp [-1].data.f;
3469                         ++ip;
3470                         MINT_IN_BREAK;
3471                 MINT_IN_CASE(MINT_CONV_I2_I4)
3472                         sp [-1].data.i = (gint16)sp [-1].data.i;
3473                         ++ip;
3474                         MINT_IN_BREAK;
3475                 MINT_IN_CASE(MINT_CONV_I2_I8)
3476                         sp [-1].data.i = (gint16)sp [-1].data.l;
3477                         ++ip;
3478                         MINT_IN_BREAK;
3479                 MINT_IN_CASE(MINT_CONV_I2_R8)
3480                         sp [-1].data.i = (gint16)sp [-1].data.f;
3481                         ++ip;
3482                         MINT_IN_BREAK;
3483                 MINT_IN_CASE(MINT_CONV_U2_I4)
3484                         sp [-1].data.i = (guint16)sp [-1].data.i;
3485                         ++ip;
3486                         MINT_IN_BREAK;
3487                 MINT_IN_CASE(MINT_CONV_U2_I8)
3488                         sp [-1].data.i = (guint16)sp [-1].data.l;
3489                         ++ip;
3490                         MINT_IN_BREAK;
3491                 MINT_IN_CASE(MINT_CONV_U2_R8)
3492                         sp [-1].data.i = (guint16)sp [-1].data.f;
3493                         ++ip;
3494                         MINT_IN_BREAK;
3495                 MINT_IN_CASE(MINT_CONV_I4_R8)
3496                         sp [-1].data.i = (gint32)sp [-1].data.f;
3497                         ++ip;
3498                         MINT_IN_BREAK;
3499                 MINT_IN_CASE(MINT_CONV_U4_I8)
3500                 MINT_IN_CASE(MINT_CONV_I4_I8)
3501                         sp [-1].data.i = (gint32)sp [-1].data.l;
3502                         ++ip;
3503                         MINT_IN_BREAK;
3504                 MINT_IN_CASE(MINT_CONV_I4_I8_SP)
3505                         sp [-2].data.i = (gint32)sp [-2].data.l;
3506                         ++ip;
3507                         MINT_IN_BREAK;
3508                 MINT_IN_CASE(MINT_CONV_U4_R8)
3509                         /* needed on arm64 */
3510                         if (isinf (sp [-1].data.f))
3511                                 sp [-1].data.i = 0;
3512                         else
3513                                 sp [-1].data.i = (guint32)sp [-1].data.f;
3514                         ++ip;
3515                         MINT_IN_BREAK;
3516                 MINT_IN_CASE(MINT_CONV_I8_I4)
3517                         sp [-1].data.l = sp [-1].data.i;
3518                         ++ip;
3519                         MINT_IN_BREAK;
3520                 MINT_IN_CASE(MINT_CONV_I8_I4_SP)
3521                         sp [-2].data.l = sp [-2].data.i;
3522                         ++ip;
3523                         MINT_IN_BREAK;
3524                 MINT_IN_CASE(MINT_CONV_I8_U4)
3525                         sp [-1].data.l = (guint32)sp [-1].data.i;
3526                         ++ip;
3527                         MINT_IN_BREAK;
3528                 MINT_IN_CASE(MINT_CONV_I8_R8)
3529                         sp [-1].data.l = (gint64)sp [-1].data.f;
3530                         ++ip;
3531                         MINT_IN_BREAK;
3532                 MINT_IN_CASE(MINT_CONV_R4_I4)
3533                         sp [-1].data.f = (float)sp [-1].data.i;
3534                         ++ip;
3535                         MINT_IN_BREAK;
3536                 MINT_IN_CASE(MINT_CONV_R4_I8)
3537                         sp [-1].data.f = (float)sp [-1].data.l;
3538                         ++ip;
3539                         MINT_IN_BREAK;
3540                 MINT_IN_CASE(MINT_CONV_R4_R8)
3541                         sp [-1].data.f = (float)sp [-1].data.f;
3542                         ++ip;
3543                         MINT_IN_BREAK;
3544                 MINT_IN_CASE(MINT_CONV_R8_I4)
3545                         sp [-1].data.f = (double)sp [-1].data.i;
3546                         ++ip;
3547                         MINT_IN_BREAK;
3548                 MINT_IN_CASE(MINT_CONV_R8_I8)
3549                         sp [-1].data.f = (double)sp [-1].data.l;
3550                         ++ip;
3551                         MINT_IN_BREAK;
3552                 MINT_IN_CASE(MINT_CONV_U8_I4)
3553                         sp [-1].data.l = sp [-1].data.i & 0xffffffff;
3554                         ++ip;
3555                         MINT_IN_BREAK;
3556                 MINT_IN_CASE(MINT_CONV_U8_R8)
3557                         sp [-1].data.l = (guint64)sp [-1].data.f;
3558                         ++ip;
3559                         MINT_IN_BREAK;
3560                 MINT_IN_CASE(MINT_CPOBJ) {
3561                         c = rtm->data_items[* (guint16 *)(ip + 1)];
3562                         g_assert (c->valuetype);
3563                         /* if this assertion fails, we need to add a write barrier */
3564                         g_assert (!MONO_TYPE_IS_REFERENCE (&c->byval_arg));
3565                         if (c->byval_arg.type == MONO_TYPE_VALUETYPE)
3566                                 stackval_from_data (&c->byval_arg, &sp [-2], sp [-1].data.p, FALSE);
3567                         else
3568                                 stackval_from_data (&c->byval_arg, sp [-2].data.p, sp [-1].data.p, FALSE);
3569                         ip += 2;
3570                         sp -= 2;
3571                         MINT_IN_BREAK;
3572                 }
3573                 MINT_IN_CASE(MINT_LDOBJ) {
3574                         void *p;
3575                         c = rtm->data_items[* (guint16 *)(ip + 1)];
3576                         ip += 2;
3577                         p = sp [-1].data.p;
3578                         if (c->byval_arg.type == MONO_TYPE_VALUETYPE && !c->enumtype) {
3579                                 int size = mono_class_value_size (c, NULL);
3580                                 sp [-1].data.p = vt_sp;
3581                                 vt_sp += (size + 7) & ~7;
3582                         }
3583                         stackval_from_data (&c->byval_arg, &sp [-1], p, FALSE);
3584                         MINT_IN_BREAK;
3585                 }
3586                 MINT_IN_CASE(MINT_LDSTR)
3587                         sp->data.p = rtm->data_items [* (guint16 *)(ip + 1)];
3588                         ++sp;
3589                         ip += 2;
3590                         MINT_IN_BREAK;
3591                 MINT_IN_CASE(MINT_NEWOBJ) {
3592                         MonoClass *newobj_class;
3593                         MonoMethodSignature *csig;
3594                         stackval valuetype_this;
3595                         guint32 token;
3596                         stackval retval;
3597
3598                         frame->ip = ip;
3599
3600                         token = * (guint16 *)(ip + 1);
3601                         ip += 2;
3602
3603                         child_frame.ip = NULL;
3604                         child_frame.ex = NULL;
3605
3606                         child_frame.runtime_method = rtm->data_items [token];
3607                         csig = mono_method_signature (child_frame.runtime_method->method);
3608                         newobj_class = child_frame.runtime_method->method->klass;
3609                         /*if (profiling_classes) {
3610                                 guint count = GPOINTER_TO_UINT (g_hash_table_lookup (profiling_classes, newobj_class));
3611                                 count++;
3612                                 g_hash_table_insert (profiling_classes, newobj_class, GUINT_TO_POINTER (count));
3613                         }*/
3614
3615                         if (newobj_class->parent == mono_defaults.array_class) {
3616                                 sp -= csig->param_count;
3617                                 child_frame.stack_args = sp;
3618                                 o = ves_array_create (&child_frame, context->domain, newobj_class, csig, sp);
3619                                 if (child_frame.ex)
3620                                         THROW_EX (child_frame.ex, ip);
3621                                 goto array_constructed;
3622                         }
3623
3624                         g_assert (csig->hasthis);
3625                         if (csig->param_count) {
3626                                 sp -= csig->param_count;
3627                                 memmove (sp + 1, sp, csig->param_count * sizeof (stackval));
3628                         }
3629                         child_frame.stack_args = sp;
3630
3631                         /*
3632                          * First arg is the object.
3633                          */
3634                         if (newobj_class->valuetype) {
3635                                 MonoType *t = &newobj_class->byval_arg;
3636                                 memset (&valuetype_this, 0, sizeof (stackval));
3637                                 if (!newobj_class->enumtype && (t->type == MONO_TYPE_VALUETYPE || (t->type == MONO_TYPE_GENERICINST && mono_type_generic_inst_is_valuetype (t)))) {
3638                                         sp->data.p = vt_sp;
3639                                         valuetype_this.data.p = vt_sp;
3640                                 } else {
3641                                         sp->data.p = &valuetype_this;
3642                                 }
3643                         } else {
3644                                 if (newobj_class != mono_defaults.string_class) {
3645                                         context->managed_code = 0;
3646                                         o = mono_object_new_checked (context->domain, newobj_class, &error);
3647                                         mono_error_cleanup (&error); /* FIXME: don't swallow the error */
3648                                         context->managed_code = 1;
3649                                         if (*mono_thread_interruption_request_flag ())
3650                                                 mono_thread_interruption_checkpoint ();
3651                                         sp->data.p = o;
3652                                 } else {
3653                                         sp->data.p = NULL;
3654                                         child_frame.retval = &retval;
3655                                 }
3656                         }
3657
3658                         g_assert (csig->call_convention == MONO_CALL_DEFAULT);
3659
3660                         ves_exec_method_with_context (&child_frame, context, NULL, NULL, -1);
3661
3662                         context->current_frame = frame;
3663
3664                         if (context->has_resume_state) {
3665                                 if (frame == context->handler_frame)
3666                                         SET_RESUME_STATE (context);
3667                                 else
3668                                         goto exit_frame;
3669                         }
3670
3671                         if (child_frame.ex) {
3672                                 /*
3673                                  * An exception occurred, need to run finally, fault and catch handlers..
3674                                  */
3675                                 frame->ex = child_frame.ex;
3676                                 goto handle_finally;
3677                         }
3678                         /*
3679                          * a constructor returns void, but we need to return the object we created
3680                          */
3681 array_constructed:
3682                         if (newobj_class->valuetype && !newobj_class->enumtype) {
3683                                 *sp = valuetype_this;
3684                         } else if (newobj_class == mono_defaults.string_class) {
3685                                 *sp = retval;
3686                         } else {
3687                                 sp->data.p = o;
3688                         }
3689                         ++sp;
3690                         MINT_IN_BREAK;
3691                 }
3692                 MINT_IN_CASE(MINT_CASTCLASS)
3693                         c = rtm->data_items [*(guint16 *)(ip + 1)];
3694                         if ((o = sp [-1].data.p)) {
3695                                 MonoObject *isinst_obj = mono_object_isinst_checked (o, c, &error);
3696                                 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
3697                                 if (!isinst_obj)
3698                                         THROW_EX (mono_get_exception_invalid_cast (), ip);
3699                         }
3700                         ip += 2;
3701                         MINT_IN_BREAK;
3702                 MINT_IN_CASE(MINT_ISINST)
3703                         c = rtm->data_items [*(guint16 *)(ip + 1)];
3704                         if ((o = sp [-1].data.p)) {
3705                                 MonoObject *isinst_obj = mono_object_isinst_checked (o, c, &error);
3706                                 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
3707                                 if (!isinst_obj)
3708                                         sp [-1].data.p = NULL;
3709                         }
3710                         ip += 2;
3711                         MINT_IN_BREAK;
3712                 MINT_IN_CASE(MINT_CONV_R_UN_I4)
3713                         sp [-1].data.f = (double)(guint32)sp [-1].data.i;
3714                         ++ip;
3715                         MINT_IN_BREAK;
3716                 MINT_IN_CASE(MINT_CONV_R_UN_I8)
3717                         sp [-1].data.f = (double)(guint64)sp [-1].data.l;
3718                         ++ip;
3719                         MINT_IN_BREAK;
3720                 MINT_IN_CASE(MINT_UNBOX)
3721                         c = rtm->data_items[*(guint16 *)(ip + 1)];
3722
3723                         o = sp [-1].data.p;
3724                         if (!o)
3725                                 THROW_EX (mono_get_exception_null_reference (), ip);
3726
3727                         MonoObject *isinst_obj = mono_object_isinst_checked (o, c, &error);
3728                         mono_error_cleanup (&error); /* FIXME: don't swallow the error */
3729                         if (!(isinst_obj || ((o->vtable->klass->rank == 0) && (o->vtable->klass->element_class == c->element_class))))
3730                                 THROW_EX (mono_get_exception_invalid_cast (), ip);
3731
3732                         sp [-1].data.p = mono_object_unbox (o);
3733                         ip += 2;
3734                         MINT_IN_BREAK;
3735                 MINT_IN_CASE(MINT_THROW)
3736                         --sp;
3737                         frame->ex_handler = NULL;
3738                         if (!sp->data.p)
3739                                 sp->data.p = mono_get_exception_null_reference ();
3740
3741                         THROW_EX ((MonoException *)sp->data.p, ip);
3742                         MINT_IN_BREAK;
3743                 MINT_IN_CASE(MINT_LDFLDA_UNSAFE)
3744                         o = sp [-1].data.p;
3745                         sp[-1].data.p = (char *)o + * (guint16 *)(ip + 1);
3746                         ip += 2;
3747                         MINT_IN_BREAK;
3748                 MINT_IN_CASE(MINT_LDFLDA)
3749                         o = sp [-1].data.p;
3750                         if (!o)
3751                                 THROW_EX (mono_get_exception_null_reference (), ip);
3752                         sp[-1].data.p = (char *)o + * (guint16 *)(ip + 1);
3753                         ip += 2;
3754                         MINT_IN_BREAK;
3755                 MINT_IN_CASE(MINT_CKNULL)
3756                         o = sp [-1].data.p;
3757                         if (!o)
3758                                 THROW_EX (mono_get_exception_null_reference (), ip);
3759                         ++ip;
3760                         MINT_IN_BREAK;
3761
3762 #define LDFLD(datamem, fieldtype) \
3763         o = sp [-1].data.p; \
3764         if (!o) \
3765                 THROW_EX (mono_get_exception_null_reference (), ip); \
3766         sp[-1].data.datamem = * (fieldtype *)((char *)o + * (guint16 *)(ip + 1)) ; \
3767         ip += 2;
3768
3769                 MINT_IN_CASE(MINT_LDFLD_I1) LDFLD(i, gint8); MINT_IN_BREAK;
3770                 MINT_IN_CASE(MINT_LDFLD_U1) LDFLD(i, guint8); MINT_IN_BREAK;
3771                 MINT_IN_CASE(MINT_LDFLD_I2) LDFLD(i, gint16); MINT_IN_BREAK;
3772                 MINT_IN_CASE(MINT_LDFLD_U2) LDFLD(i, guint16); MINT_IN_BREAK;
3773                 MINT_IN_CASE(MINT_LDFLD_I4) LDFLD(i, gint32); MINT_IN_BREAK;
3774                 MINT_IN_CASE(MINT_LDFLD_I8) LDFLD(l, gint64); MINT_IN_BREAK;
3775                 MINT_IN_CASE(MINT_LDFLD_R4) LDFLD(f, float); MINT_IN_BREAK;
3776                 MINT_IN_CASE(MINT_LDFLD_R8) LDFLD(f, double); MINT_IN_BREAK;
3777                 MINT_IN_CASE(MINT_LDFLD_O) LDFLD(p, gpointer); MINT_IN_BREAK;
3778                 MINT_IN_CASE(MINT_LDFLD_P) LDFLD(p, gpointer); MINT_IN_BREAK;
3779
3780                 MINT_IN_CASE(MINT_LDFLD_VT)
3781                         o = sp [-1].data.p;
3782                         if (!o)
3783                                 THROW_EX (mono_get_exception_null_reference (), ip);
3784                         i32 = READ32(ip + 2);
3785                         sp [-1].data.p = vt_sp;
3786                         memcpy(sp [-1].data.p, (char *)o + * (guint16 *)(ip + 1), i32);
3787                         vt_sp += (i32 + 7) & ~7;
3788                         ip += 4;
3789                         MINT_IN_BREAK;
3790
3791                 MINT_IN_CASE(MINT_LDRMFLD) {
3792                         gpointer tmp;
3793                         MonoClassField *field;
3794                         char *addr;
3795
3796                         o = sp [-1].data.p;
3797                         if (!o)
3798                                 THROW_EX (mono_get_exception_null_reference (), ip);
3799                         field = rtm->data_items[* (guint16 *)(ip + 1)];
3800                         ip += 2;
3801 #ifndef DISABLE_REMOTING
3802                         if (mono_object_is_transparent_proxy (o)) {
3803                                 MonoClass *klass = ((MonoTransparentProxy*)o)->remote_class->proxy_class;
3804
3805                                 addr = mono_load_remote_field_checked (o, klass, field, &tmp, &error);
3806                                 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
3807                         } else
3808 #endif
3809                                 addr = (char*)o + field->offset;
3810
3811                         stackval_from_data (field->type, &sp [-1], addr, FALSE);
3812                         MINT_IN_BREAK;
3813                 }
3814
3815                 MINT_IN_CASE(MINT_LDRMFLD_VT) {
3816                         MonoClassField *field;
3817                         char *addr;
3818                         gpointer tmp;
3819
3820                         o = sp [-1].data.p;
3821                         if (!o)
3822                                 THROW_EX (mono_get_exception_null_reference (), ip);
3823                         field = rtm->data_items[* (guint16 *)(ip + 1)];
3824                         i32 = READ32(ip + 2);
3825                         ip += 4;
3826 #ifndef DISABLE_REMOTING
3827                         if (mono_object_is_transparent_proxy (o)) {
3828                                 MonoClass *klass = ((MonoTransparentProxy*)o)->remote_class->proxy_class;
3829                                 addr = mono_load_remote_field_checked (o, klass, field, &tmp, &error);
3830                                 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
3831                         } else
3832 #endif
3833                                 addr = (char*)o + field->offset;
3834
3835                         sp [-1].data.p = vt_sp;
3836                         memcpy(sp [-1].data.p, (char *)o + * (guint16 *)(ip + 1), i32);
3837                         vt_sp += (i32 + 7) & ~7;
3838                         memcpy(sp [-1].data.p, addr, i32);
3839                         MINT_IN_BREAK;
3840                 }
3841
3842 #define STFLD(datamem, fieldtype) \
3843         o = sp [-2].data.p; \
3844         if (!o) \
3845                 THROW_EX (mono_get_exception_null_reference (), ip); \
3846         sp -= 2; \
3847         * (fieldtype *)((char *)o + * (guint16 *)(ip + 1)) = sp[1].data.datamem; \
3848         ip += 2;
3849
3850                 MINT_IN_CASE(MINT_STFLD_I1) STFLD(i, gint8); MINT_IN_BREAK;
3851                 MINT_IN_CASE(MINT_STFLD_U1) STFLD(i, guint8); MINT_IN_BREAK;
3852                 MINT_IN_CASE(MINT_STFLD_I2) STFLD(i, gint16); MINT_IN_BREAK;
3853                 MINT_IN_CASE(MINT_STFLD_U2) STFLD(i, guint16); MINT_IN_BREAK;
3854                 MINT_IN_CASE(MINT_STFLD_I4) STFLD(i, gint32); MINT_IN_BREAK;
3855                 MINT_IN_CASE(MINT_STFLD_I8) STFLD(l, gint64); MINT_IN_BREAK;
3856                 MINT_IN_CASE(MINT_STFLD_R4) STFLD(f, float); MINT_IN_BREAK;
3857                 MINT_IN_CASE(MINT_STFLD_R8) STFLD(f, double); MINT_IN_BREAK;
3858                 MINT_IN_CASE(MINT_STFLD_P) STFLD(p, gpointer); MINT_IN_BREAK;
3859                 MINT_IN_CASE(MINT_STFLD_O)
3860                         o = sp [-2].data.p;
3861                         if (!o)
3862                                 THROW_EX (mono_get_exception_null_reference (), ip);
3863                         sp -= 2;
3864                         mono_gc_wbarrier_set_field (o, (char *) o + * (guint16 *)(ip + 1), sp [1].data.p);
3865                         ip += 2;
3866                         MINT_IN_BREAK;
3867
3868                 MINT_IN_CASE(MINT_STFLD_VT)
3869                         o = sp [-2].data.p;
3870                         if (!o)
3871                                 THROW_EX (mono_get_exception_null_reference (), ip);
3872                         i32 = READ32(ip + 2);
3873                         sp -= 2;
3874                         memcpy((char *)o + * (guint16 *)(ip + 1), sp [1].data.p, i32);
3875                         vt_sp -= (i32 + 7) & ~7;
3876                         ip += 4;
3877                         MINT_IN_BREAK;
3878
3879                 MINT_IN_CASE(MINT_STRMFLD) {
3880                         MonoClassField *field;
3881
3882                         o = sp [-2].data.p;
3883                         if (!o)
3884                                 THROW_EX (mono_get_exception_null_reference (), ip);
3885
3886                         field = rtm->data_items[* (guint16 *)(ip + 1)];
3887                         ip += 2;
3888
3889 #ifndef DISABLE_REMOTING
3890                         if (mono_object_is_transparent_proxy (o)) {
3891                                 MonoClass *klass = ((MonoTransparentProxy*)o)->remote_class->proxy_class;
3892                                 mono_store_remote_field_checked (o, klass, field, &sp [-1].data, &error);
3893                                 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
3894                         } else
3895 #endif
3896                                 stackval_to_data (field->type, &sp [-1], (char*)o + field->offset, FALSE);
3897
3898                         sp -= 2;
3899                         MINT_IN_BREAK;
3900                 }
3901                 MINT_IN_CASE(MINT_STRMFLD_VT) {
3902                         MonoClassField *field;
3903
3904                         o = sp [-2].data.p;
3905                         if (!o)
3906                                 THROW_EX (mono_get_exception_null_reference (), ip);
3907                         field = rtm->data_items[* (guint16 *)(ip + 1)];
3908                         i32 = READ32(ip + 2);
3909                         ip += 4;
3910
3911 #ifndef DISABLE_REMOTING
3912                         if (mono_object_is_transparent_proxy (o)) {
3913                                 MonoClass *klass = ((MonoTransparentProxy*)o)->remote_class->proxy_class;
3914                                 mono_store_remote_field_checked (o, klass, field, &sp [-1].data, &error);
3915                                 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
3916                         } else
3917 #endif
3918                                 memcpy((char*)o + field->offset, sp [-1].data.p, i32);
3919
3920                         sp -= 2;
3921                         vt_sp -= (i32 + 7) & ~7;
3922                         MINT_IN_BREAK;
3923                 }
3924                 MINT_IN_CASE(MINT_LDSFLDA) {
3925                         MonoClassField *field = rtm->data_items[*(guint16 *)(ip + 1)];
3926                         sp->data.p = mono_class_static_field_address (context->domain, field);
3927                         ip += 2;
3928                         ++sp;
3929                         MINT_IN_BREAK;
3930                 }
3931                 MINT_IN_CASE(MINT_LDSFLD) {
3932                         MonoClassField *field = rtm->data_items [* (guint16 *)(ip + 1)];
3933                         gpointer addr = mono_class_static_field_address (context->domain, field);
3934                         stackval_from_data (field->type, sp, addr, FALSE);
3935                         ip += 2;
3936                         ++sp;
3937                         MINT_IN_BREAK;
3938                 }
3939                 MINT_IN_CASE(MINT_LDSFLD_VT) {
3940                         MonoClassField *field = rtm->data_items [* (guint16 *)(ip + 1)];
3941                         gpointer addr = mono_class_static_field_address (context->domain, field);
3942                         int size = READ32 (ip + 2);
3943                         ip += 4;
3944
3945                         sp->data.p = vt_sp;
3946                         vt_sp += (size + 7) & ~7;
3947                         stackval_from_data (field->type, sp, addr, FALSE);
3948                         ++sp;
3949                         MINT_IN_BREAK;
3950                 }
3951                 MINT_IN_CASE(MINT_STSFLD) {
3952                         MonoClassField *field = rtm->data_items [* (guint16 *)(ip + 1)];
3953                         gpointer addr = mono_class_static_field_address (context->domain, field);
3954                         ip += 2;
3955                         --sp;
3956                         stackval_to_data (field->type, sp, addr, FALSE);
3957                         MINT_IN_BREAK;
3958                 }
3959                 MINT_IN_CASE(MINT_STSFLD_VT) {
3960                         MonoClassField *field = rtm->data_items [* (guint16 *)(ip + 1)];
3961                         gpointer addr = mono_class_static_field_address (context->domain, field);
3962                         int size = READ32 (ip + 2);
3963                         ip += 4;
3964
3965                         --sp;
3966                         stackval_to_data (field->type, sp, addr, FALSE);
3967                         vt_sp -= (size + 7) & ~7;
3968                         MINT_IN_BREAK;
3969                 }
3970                 MINT_IN_CASE(MINT_STOBJ_VT) {
3971                         int size;
3972                         c = rtm->data_items[* (guint16 *)(ip + 1)];
3973                         ip += 2;
3974                         size = mono_class_value_size (c, NULL);
3975                         memcpy(sp [-2].data.p, sp [-1].data.p, size);
3976                         vt_sp -= (size + 7) & ~7;
3977                         sp -= 2;
3978                         MINT_IN_BREAK;
3979                 }
3980                 MINT_IN_CASE(MINT_STOBJ) {
3981                         c = rtm->data_items[* (guint16 *)(ip + 1)];
3982                         ip += 2;
3983
3984                         g_assert (!c->byval_arg.byref);
3985                         if (MONO_TYPE_IS_REFERENCE (&c->byval_arg))
3986                                 mono_gc_wbarrier_generic_store (sp [-2].data.p, sp [-1].data.p);
3987                         else
3988                                 stackval_from_data (&c->byval_arg, sp [-2].data.p, (char *) &sp [-1].data.p, FALSE);
3989                         sp -= 2;
3990                         MINT_IN_BREAK;
3991                 }
3992                 MINT_IN_CASE(MINT_CONV_OVF_I4_UN_R8)
3993                         if (sp [-1].data.f < 0 || sp [-1].data.f > MYGUINT32_MAX)
3994                                 THROW_EX (mono_get_exception_overflow (), ip);
3995                         sp [-1].data.i = (guint32)sp [-1].data.f;
3996                         ++ip;
3997                         MINT_IN_BREAK;
3998                 MINT_IN_CASE(MINT_CONV_OVF_U8_I4)
3999                         if (sp [-1].data.i < 0)
4000                                 THROW_EX (mono_get_exception_overflow (), ip);
4001                         sp [-1].data.l = sp [-1].data.i;
4002                         ++ip;
4003                         MINT_IN_BREAK;
4004                 MINT_IN_CASE(MINT_CONV_OVF_U8_I8)
4005                         if (sp [-1].data.l < 0)
4006                                 THROW_EX (mono_get_exception_overflow (), ip);
4007                         ++ip;
4008                         MINT_IN_BREAK;
4009                 MINT_IN_CASE(MINT_CONV_OVF_I8_U8)
4010                         if ((guint64) sp [-1].data.l > MYGINT64_MAX)
4011                                 THROW_EX (mono_get_exception_overflow (), ip);
4012                         ++ip;
4013                         MINT_IN_BREAK;
4014                 MINT_IN_CASE(MINT_CONV_OVF_U8_R8)
4015                 MINT_IN_CASE(MINT_CONV_OVF_I8_UN_R8)
4016                         if (sp [-1].data.f < 0 || sp [-1].data.f > MYGINT64_MAX)
4017                                 THROW_EX (mono_get_exception_overflow (), ip);
4018                         sp [-1].data.l = (guint64)sp [-1].data.f;
4019                         ++ip;
4020                         MINT_IN_BREAK;
4021                 MINT_IN_CASE(MINT_CONV_OVF_I8_R8)
4022                         if (sp [-1].data.f < MYGINT64_MIN || sp [-1].data.f > MYGINT64_MAX)
4023                                 THROW_EX (mono_get_exception_overflow (), ip);
4024                         sp [-1].data.l = (gint64)sp [-1].data.f;
4025                         ++ip;
4026                         MINT_IN_BREAK;
4027                 MINT_IN_CASE(MINT_CONV_OVF_I4_UN_I8)
4028                         if ((mono_u)sp [-1].data.l > MYGUINT32_MAX)
4029                                 THROW_EX (mono_get_exception_overflow (), ip);
4030                         sp [-1].data.i = (mono_u)sp [-1].data.l;
4031                         ++ip;
4032                         MINT_IN_BREAK;
4033                 MINT_IN_CASE(MINT_BOX) {
4034                         c = rtm->data_items [* (guint16 *)(ip + 1)];
4035                         guint16 offset = * (guint16 *)(ip + 2);
4036
4037                         if (c->byval_arg.type == MONO_TYPE_VALUETYPE && !c->enumtype) {
4038                                 int size = mono_class_value_size (c, NULL);
4039                                 sp [-1 - offset].data.p = mono_value_box_checked (context->domain, c, sp [-1 - offset].data.p, &error);
4040                                 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
4041                                 size = (size + 7) & ~7;
4042                                 vt_sp -= size;
4043                         } else {
4044                                 stackval_to_data (&c->byval_arg, &sp [-1 - offset], (char *) &sp [-1 - offset], FALSE);
4045                                 sp [-1 - offset].data.p = mono_value_box_checked (context->domain, c, &sp [-1 - offset], &error);
4046                                 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
4047                         }
4048                         ip += 3;
4049                         MINT_IN_BREAK;
4050                 }
4051                 MINT_IN_CASE(MINT_NEWARR)
4052                         sp [-1].data.p = (MonoObject*) mono_array_new_checked (context->domain, rtm->data_items[*(guint16 *)(ip + 1)], sp [-1].data.i, &error);
4053                         if (!mono_error_ok (&error)) {
4054                                 THROW_EX (mono_error_convert_to_exception (&error), ip);
4055                         }
4056                         mono_error_cleanup (&error); /* FIXME: don't swallow the error */
4057                         ip += 2;
4058                         /*if (profiling_classes) {
4059                                 guint count = GPOINTER_TO_UINT (g_hash_table_lookup (profiling_classes, o->vtable->klass));
4060                                 count++;
4061                                 g_hash_table_insert (profiling_classes, o->vtable->klass, GUINT_TO_POINTER (count));
4062                         }*/
4063
4064                         MINT_IN_BREAK;
4065                 MINT_IN_CASE(MINT_LDLEN)
4066                         o = sp [-1].data.p;
4067                         if (!o)
4068                                 THROW_EX (mono_get_exception_null_reference (), ip);
4069                         sp [-1].data.nati = mono_array_length ((MonoArray *)o);
4070                         ++ip;
4071                         MINT_IN_BREAK;
4072                 MINT_IN_CASE(MINT_GETCHR) {
4073                         MonoString *s;
4074                         s = sp [-2].data.p;
4075                         if (!s)
4076                                 THROW_EX (mono_get_exception_null_reference (), ip);
4077                         i32 = sp [-1].data.i;
4078                         if (i32 < 0 || i32 >= mono_string_length (s))
4079                                 THROW_EX (mono_get_exception_index_out_of_range (), ip);
4080                         --sp;
4081                         sp [-1].data.i = mono_string_chars(s)[i32];
4082                         ++ip;
4083                         MINT_IN_BREAK;
4084                 }
4085                 MINT_IN_CASE(MINT_STRLEN)
4086                         ++ip;
4087                         o = sp [-1].data.p;
4088                         if (!o)
4089                                 THROW_EX (mono_get_exception_null_reference (), ip);
4090                         sp [-1].data.i = mono_string_length ((MonoString*) o);
4091                         MINT_IN_BREAK;
4092                 MINT_IN_CASE(MINT_ARRAY_RANK)
4093                         o = sp [-1].data.p;
4094                         if (!o)
4095                                 THROW_EX (mono_get_exception_null_reference (), ip);
4096                         sp [-1].data.i = mono_object_class (sp [-1].data.p)->rank;
4097                         ip++;
4098                         MINT_IN_BREAK;
4099                 MINT_IN_CASE(MINT_LDELEMA)
4100                 MINT_IN_CASE(MINT_LDELEMA_TC) {
4101                         gboolean needs_typecheck = *ip == MINT_LDELEMA_TC;
4102
4103                         MonoClass *klass = rtm->data_items [*(guint16 *) (ip + 1)];
4104                         guint16 numargs = *(guint16 *) (ip + 2);
4105                         ip += 3;
4106                         sp -= numargs;
4107
4108                         o = sp [0].data.p;
4109                         sp->data.p = ves_array_element_address (frame, klass, (MonoArray *) o, &sp [1], needs_typecheck);
4110                         if (frame->ex)
4111                                 THROW_EX (frame->ex, ip);
4112                         ++sp;
4113
4114                         MINT_IN_BREAK;
4115                 }
4116                 MINT_IN_CASE(MINT_LDELEM_I1) /* fall through */
4117                 MINT_IN_CASE(MINT_LDELEM_U1) /* fall through */
4118                 MINT_IN_CASE(MINT_LDELEM_I2) /* fall through */
4119                 MINT_IN_CASE(MINT_LDELEM_U2) /* fall through */
4120                 MINT_IN_CASE(MINT_LDELEM_I4) /* fall through */
4121                 MINT_IN_CASE(MINT_LDELEM_U4) /* fall through */
4122                 MINT_IN_CASE(MINT_LDELEM_I8)  /* fall through */
4123                 MINT_IN_CASE(MINT_LDELEM_I)  /* fall through */
4124                 MINT_IN_CASE(MINT_LDELEM_R4) /* fall through */
4125                 MINT_IN_CASE(MINT_LDELEM_R8) /* fall through */
4126                 MINT_IN_CASE(MINT_LDELEM_REF) /* fall through */
4127                 MINT_IN_CASE(MINT_LDELEM_VT) {
4128                         MonoArray *o;
4129                         mono_u aindex;
4130
4131                         sp -= 2;
4132
4133                         o = sp [0].data.p;
4134                         if (!o)
4135                                 THROW_EX (mono_get_exception_null_reference (), ip);
4136
4137                         aindex = sp [1].data.i;
4138                         if (aindex >= mono_array_length (o))
4139                                 THROW_EX (mono_get_exception_index_out_of_range (), ip);
4140
4141                         /*
4142                          * FIXME: throw mono_get_exception_array_type_mismatch () if needed
4143                          */
4144                         switch (*ip) {
4145                         case MINT_LDELEM_I1:
4146                                 sp [0].data.i = mono_array_get (o, gint8, aindex);
4147                                 break;
4148                         case MINT_LDELEM_U1:
4149                                 sp [0].data.i = mono_array_get (o, guint8, aindex);
4150                                 break;
4151                         case MINT_LDELEM_I2:
4152                                 sp [0].data.i = mono_array_get (o, gint16, aindex);
4153                                 break;
4154                         case MINT_LDELEM_U2:
4155                                 sp [0].data.i = mono_array_get (o, guint16, aindex);
4156                                 break;
4157                         case MINT_LDELEM_I:
4158                                 sp [0].data.nati = mono_array_get (o, mono_i, aindex);
4159                                 break;
4160                         case MINT_LDELEM_I4:
4161                                 sp [0].data.i = mono_array_get (o, gint32, aindex);
4162                                 break;
4163                         case MINT_LDELEM_U4:
4164                                 sp [0].data.i = mono_array_get (o, guint32, aindex);
4165                                 break;
4166                         case MINT_LDELEM_I8:
4167                                 sp [0].data.l = mono_array_get (o, guint64, aindex);
4168                                 break;
4169                         case MINT_LDELEM_R4:
4170                                 sp [0].data.f = mono_array_get (o, float, aindex);
4171                                 break;
4172                         case MINT_LDELEM_R8:
4173                                 sp [0].data.f = mono_array_get (o, double, aindex);
4174                                 break;
4175                         case MINT_LDELEM_REF:
4176                                 sp [0].data.p = mono_array_get (o, gpointer, aindex);
4177                                 break;
4178                         case MINT_LDELEM_VT: {
4179                                 MonoClass *klass_vt = rtm->data_items [*(guint16 *) (ip + 1)];
4180                                 i32 = READ32 (ip + 2);
4181                                 char *src_addr = mono_array_addr_with_size ((MonoArray *) o, i32, aindex);
4182                                 sp [0].data.vt = vt_sp;
4183                                 stackval_from_data (&klass_vt->byval_arg, sp, src_addr, FALSE);
4184                                 vt_sp += (i32 + 7) & ~7;
4185                                 ip += 3;
4186                                 break;
4187                         }
4188                         default:
4189                                 ves_abort();
4190                         }
4191
4192                         ++ip;
4193                         ++sp;
4194                         MINT_IN_BREAK;
4195                 }
4196                 MINT_IN_CASE(MINT_STELEM_I)  /* fall through */
4197                 MINT_IN_CASE(MINT_STELEM_I1) /* fall through */
4198                 MINT_IN_CASE(MINT_STELEM_U1) /* fall through */
4199                 MINT_IN_CASE(MINT_STELEM_I2) /* fall through */
4200                 MINT_IN_CASE(MINT_STELEM_U2) /* fall through */
4201                 MINT_IN_CASE(MINT_STELEM_I4) /* fall through */
4202                 MINT_IN_CASE(MINT_STELEM_I8) /* fall through */
4203                 MINT_IN_CASE(MINT_STELEM_R4) /* fall through */
4204                 MINT_IN_CASE(MINT_STELEM_R8) /* fall through */
4205                 MINT_IN_CASE(MINT_STELEM_REF) /* fall through */
4206                 MINT_IN_CASE(MINT_STELEM_VT) {
4207                         mono_u aindex;
4208
4209                         sp -= 3;
4210
4211                         o = sp [0].data.p;
4212                         if (!o)
4213                                 THROW_EX (mono_get_exception_null_reference (), ip);
4214
4215                         aindex = sp [1].data.i;
4216                         if (aindex >= mono_array_length ((MonoArray *)o))
4217                                 THROW_EX (mono_get_exception_index_out_of_range (), ip);
4218
4219                         switch (*ip) {
4220                         case MINT_STELEM_I:
4221                                 mono_array_set ((MonoArray *)o, mono_i, aindex, sp [2].data.nati);
4222                                 break;
4223                         case MINT_STELEM_I1:
4224                                 mono_array_set ((MonoArray *)o, gint8, aindex, sp [2].data.i);
4225                                 break;
4226                         case MINT_STELEM_U1:
4227                                 mono_array_set ((MonoArray *) o, guint8, aindex, sp [2].data.i);
4228                                 break;
4229                         case MINT_STELEM_I2:
4230                                 mono_array_set ((MonoArray *)o, gint16, aindex, sp [2].data.i);
4231                                 break;
4232                         case MINT_STELEM_U2:
4233                                 mono_array_set ((MonoArray *)o, guint16, aindex, sp [2].data.i);
4234                                 break;
4235                         case MINT_STELEM_I4:
4236                                 mono_array_set ((MonoArray *)o, gint32, aindex, sp [2].data.i);
4237                                 break;
4238                         case MINT_STELEM_I8:
4239                                 mono_array_set ((MonoArray *)o, gint64, aindex, sp [2].data.l);
4240                                 break;
4241                         case MINT_STELEM_R4:
4242                                 mono_array_set ((MonoArray *)o, float, aindex, sp [2].data.f);
4243                                 break;
4244                         case MINT_STELEM_R8:
4245                                 mono_array_set ((MonoArray *)o, double, aindex, sp [2].data.f);
4246                                 break;
4247                         case MINT_STELEM_REF: {
4248                                 MonoObject *isinst_obj = mono_object_isinst_checked (sp [2].data.p, mono_object_class (o)->element_class, &error);
4249                                 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
4250                                 if (sp [2].data.p && !isinst_obj)
4251                                         THROW_EX (mono_get_exception_array_type_mismatch (), ip);
4252                                 mono_array_setref ((MonoArray *) o, aindex, sp [2].data.p);
4253                                 break;
4254                         }
4255                         case MINT_STELEM_VT: {
4256                                 MonoClass *klass_vt = rtm->data_items [*(guint16 *) (ip + 1)];
4257                                 i32 = READ32 (ip + 2);
4258                                 char *dst_addr = mono_array_addr_with_size ((MonoArray *) o, i32, aindex);
4259
4260                                 stackval_to_data (&klass_vt->byval_arg, &sp [2], dst_addr, FALSE);
4261                                 vt_sp -= (i32 + 7) & ~7;
4262                                 ip += 3;
4263                                 break;
4264                         }
4265                         default:
4266                                 ves_abort();
4267                         }
4268
4269                         ++ip;
4270                         MINT_IN_BREAK;
4271                 }
4272                 MINT_IN_CASE(MINT_CONV_OVF_I4_U4)
4273                         if (sp [-1].data.i < 0)
4274                                 THROW_EX (mono_get_exception_overflow (), ip);
4275                         ++ip;
4276                         MINT_IN_BREAK;
4277                 MINT_IN_CASE(MINT_CONV_OVF_I4_I8)
4278                         if (sp [-1].data.l < MYGINT32_MIN || sp [-1].data.l > MYGINT32_MAX)
4279                                 THROW_EX (mono_get_exception_overflow (), ip);
4280                         sp [-1].data.i = (gint32) sp [-1].data.l;
4281                         ++ip;
4282                         MINT_IN_BREAK;
4283                 MINT_IN_CASE(MINT_CONV_OVF_I4_U8)
4284                         if (sp [-1].data.l < 0 || sp [-1].data.l > MYGINT32_MAX)
4285                                 THROW_EX (mono_get_exception_overflow (), ip);
4286                         sp [-1].data.i = (gint32) sp [-1].data.l;
4287                         ++ip;
4288                         MINT_IN_BREAK;
4289                 MINT_IN_CASE(MINT_CONV_OVF_I4_R8)
4290                         if (sp [-1].data.f < MYGINT32_MIN || sp [-1].data.f > MYGINT32_MAX)
4291                                 THROW_EX (mono_get_exception_overflow (), ip);
4292                         sp [-1].data.i = (gint32) sp [-1].data.f;
4293                         ++ip;
4294                         MINT_IN_BREAK;
4295                 MINT_IN_CASE(MINT_CONV_OVF_U4_I4)
4296                         if (sp [-1].data.i < 0)
4297                                 THROW_EX (mono_get_exception_overflow (), ip);
4298                         ++ip;
4299                         MINT_IN_BREAK;
4300                 MINT_IN_CASE(MINT_CONV_OVF_U4_I8)
4301                         if (sp [-1].data.l < 0 || sp [-1].data.l > MYGUINT32_MAX)
4302                                 THROW_EX (mono_get_exception_overflow (), ip);
4303                         sp [-1].data.i = (guint32) sp [-1].data.l;
4304                         ++ip;
4305                         MINT_IN_BREAK;
4306                 MINT_IN_CASE(MINT_CONV_OVF_U4_R8)
4307                         if (sp [-1].data.f < 0 || sp [-1].data.f > MYGUINT32_MAX)
4308                                 THROW_EX (mono_get_exception_overflow (), ip);
4309                         sp [-1].data.i = (guint32) sp [-1].data.f;
4310                         ++ip;
4311                         MINT_IN_BREAK;
4312                 MINT_IN_CASE(MINT_CONV_OVF_I2_I4)
4313                         if (sp [-1].data.i < -32768 || sp [-1].data.i > 32767)
4314                                 THROW_EX (mono_get_exception_overflow (), ip);
4315                         ++ip;
4316                         MINT_IN_BREAK;
4317                 MINT_IN_CASE(MINT_CONV_OVF_I2_I8)
4318                         if (sp [-1].data.l < -32768 || sp [-1].data.l > 32767)
4319                                 THROW_EX (mono_get_exception_overflow (), ip);
4320                         sp [-1].data.i = (gint16) sp [-1].data.l;
4321                         ++ip;
4322                         MINT_IN_BREAK;
4323                 MINT_IN_CASE(MINT_CONV_OVF_I2_R8)
4324                         if (sp [-1].data.f < -32768 || sp [-1].data.f > 32767)
4325                                 THROW_EX (mono_get_exception_overflow (), ip);
4326                         sp [-1].data.i = (gint16) sp [-1].data.f;
4327                         ++ip;
4328                         MINT_IN_BREAK;
4329                 MINT_IN_CASE(MINT_CONV_OVF_U2_I4)
4330                         if (sp [-1].data.i < 0 || sp [-1].data.i > 65535)
4331                                 THROW_EX (mono_get_exception_overflow (), ip);
4332                         ++ip;
4333                         MINT_IN_BREAK;
4334                 MINT_IN_CASE(MINT_CONV_OVF_U2_I8)
4335                         if (sp [-1].data.l < 0 || sp [-1].data.l > 65535)
4336                                 THROW_EX (mono_get_exception_overflow (), ip);
4337                         sp [-1].data.i = (guint16) sp [-1].data.l;
4338                         ++ip;
4339                         MINT_IN_BREAK;
4340                 MINT_IN_CASE(MINT_CONV_OVF_U2_R8)
4341                         if (sp [-1].data.f < 0 || sp [-1].data.f > 65535)
4342                                 THROW_EX (mono_get_exception_overflow (), ip);
4343                         sp [-1].data.i = (guint16) sp [-1].data.f;
4344                         ++ip;
4345                         MINT_IN_BREAK;
4346                 MINT_IN_CASE(MINT_CONV_OVF_I1_I4)
4347                         if (sp [-1].data.i < -128 || sp [-1].data.i > 127)
4348                                 THROW_EX (mono_get_exception_overflow (), ip);
4349                         ++ip;
4350                         MINT_IN_BREAK;
4351                 MINT_IN_CASE(MINT_CONV_OVF_I1_I8)
4352                         if (sp [-1].data.l < -128 || sp [-1].data.l > 127)
4353                                 THROW_EX (mono_get_exception_overflow (), ip);
4354                         sp [-1].data.i = (gint8) sp [-1].data.l;
4355                         ++ip;
4356                         MINT_IN_BREAK;
4357                 MINT_IN_CASE(MINT_CONV_OVF_I1_R8)
4358                         if (sp [-1].data.f < -128 || sp [-1].data.f > 127)
4359                                 THROW_EX (mono_get_exception_overflow (), ip);
4360                         sp [-1].data.i = (gint8) sp [-1].data.f;
4361                         ++ip;
4362                         MINT_IN_BREAK;
4363                 MINT_IN_CASE(MINT_CONV_OVF_U1_I4)
4364                         if (sp [-1].data.i < 0 || sp [-1].data.i > 255)
4365                                 THROW_EX (mono_get_exception_overflow (), ip);
4366                         ++ip;
4367                         MINT_IN_BREAK;
4368                 MINT_IN_CASE(MINT_CONV_OVF_U1_I8)
4369                         if (sp [-1].data.l < 0 || sp [-1].data.l > 255)
4370                                 THROW_EX (mono_get_exception_overflow (), ip);
4371                         sp [-1].data.i = (guint8) sp [-1].data.l;
4372                         ++ip;
4373                         MINT_IN_BREAK;
4374                 MINT_IN_CASE(MINT_CONV_OVF_U1_R8)
4375                         if (sp [-1].data.f < 0 || sp [-1].data.f > 255)
4376                                 THROW_EX (mono_get_exception_overflow (), ip);
4377                         sp [-1].data.i = (guint8) sp [-1].data.f;
4378                         ++ip;
4379                         MINT_IN_BREAK;
4380 #if 0
4381                 MINT_IN_CASE(MINT_LDELEM)
4382                 MINT_IN_CASE(MINT_STELEM)
4383                 MINT_IN_CASE(MINT_UNBOX_ANY)
4384 #endif
4385                 MINT_IN_CASE(MINT_CKFINITE)
4386                         if (!isfinite(sp [-1].data.f))
4387                                 THROW_EX (mono_get_exception_arithmetic (), ip);
4388                         ++ip;
4389                         MINT_IN_BREAK;
4390                 MINT_IN_CASE(MINT_MKREFANY) {
4391                         c = rtm->data_items [*(guint16 *)(ip + 1)];
4392
4393                         /* The value address is on the stack */
4394                         gpointer addr = sp [-1].data.p;
4395                         /* Push the typedref value on the stack */
4396                         sp [-1].data.p = vt_sp;
4397                         vt_sp += sizeof (MonoTypedRef);
4398
4399                         MonoTypedRef *tref = sp [-1].data.p;
4400                         tref->klass = c;
4401                         tref->type = &c->byval_arg;
4402                         tref->value = addr;
4403
4404                         ip += 2;
4405                         MINT_IN_BREAK;
4406                 }
4407                 MINT_IN_CASE(MINT_REFANYTYPE) {
4408                         MonoTypedRef *tref = sp [-1].data.p;
4409                         MonoType *type = tref->type;
4410
4411                         vt_sp -= sizeof (MonoTypedRef);
4412                         sp [-1].data.p = vt_sp;
4413                         vt_sp += 8;
4414                         *(gpointer*)sp [-1].data.p = type;
4415                         ip ++;
4416                         MINT_IN_BREAK;
4417                 }
4418                 MINT_IN_CASE(MINT_REFANYVAL) {
4419                         MonoTypedRef *tref = sp [-1].data.p;
4420                         gpointer addr = tref->value;
4421
4422                         vt_sp -= sizeof (MonoTypedRef);
4423
4424                         sp [-1].data.p = addr;
4425                         ip ++;
4426                         MINT_IN_BREAK;
4427                 }
4428                 MINT_IN_CASE(MINT_LDTOKEN)
4429                         sp->data.p = vt_sp;
4430                         vt_sp += 8;
4431                         * (gpointer *)sp->data.p = rtm->data_items[*(guint16 *)(ip + 1)];
4432                         ip += 2;
4433                         ++sp;
4434                         MINT_IN_BREAK;
4435                 MINT_IN_CASE(MINT_ADD_OVF_I4)
4436                         if (CHECK_ADD_OVERFLOW (sp [-2].data.i, sp [-1].data.i))
4437                                 THROW_EX (mono_get_exception_overflow (), ip);
4438                         BINOP(i, +);
4439                         MINT_IN_BREAK;
4440                 MINT_IN_CASE(MINT_ADD_OVF_I8)
4441                         if (CHECK_ADD_OVERFLOW64 (sp [-2].data.l, sp [-1].data.l))
4442                                 THROW_EX (mono_get_exception_overflow (), ip);
4443                         BINOP(l, +);
4444                         MINT_IN_BREAK;
4445                 MINT_IN_CASE(MINT_ADD_OVF_UN_I4)
4446                         if (CHECK_ADD_OVERFLOW_UN (sp [-2].data.i, sp [-1].data.i))
4447                                 THROW_EX (mono_get_exception_overflow (), ip);
4448                         BINOP_CAST(i, +, guint32);
4449                         MINT_IN_BREAK;
4450                 MINT_IN_CASE(MINT_ADD_OVF_UN_I8)
4451                         if (CHECK_ADD_OVERFLOW64_UN (sp [-2].data.l, sp [-1].data.l))
4452                                 THROW_EX (mono_get_exception_overflow (), ip);
4453                         BINOP_CAST(l, +, guint64);
4454                         MINT_IN_BREAK;
4455                 MINT_IN_CASE(MINT_MUL_OVF_I4)
4456                         if (CHECK_MUL_OVERFLOW (sp [-2].data.i, sp [-1].data.i))
4457                                 THROW_EX (mono_get_exception_overflow (), ip);
4458                         BINOP(i, *);
4459                         MINT_IN_BREAK;
4460                 MINT_IN_CASE(MINT_MUL_OVF_I8)
4461                         if (CHECK_MUL_OVERFLOW64 (sp [-2].data.l, sp [-1].data.l))
4462                                 THROW_EX (mono_get_exception_overflow (), ip);
4463                         BINOP(l, *);
4464                         MINT_IN_BREAK;
4465                 MINT_IN_CASE(MINT_MUL_OVF_UN_I4)
4466                         if (CHECK_MUL_OVERFLOW_UN (sp [-2].data.i, sp [-1].data.i))
4467                                 THROW_EX (mono_get_exception_overflow (), ip);
4468                         BINOP_CAST(i, *, guint32);
4469                         MINT_IN_BREAK;
4470                 MINT_IN_CASE(MINT_MUL_OVF_UN_I8)
4471                         if (CHECK_MUL_OVERFLOW64_UN (sp [-2].data.l, sp [-1].data.l))
4472                                 THROW_EX (mono_get_exception_overflow (), ip);
4473                         BINOP_CAST(l, *, guint64);
4474                         MINT_IN_BREAK;
4475                 MINT_IN_CASE(MINT_SUB_OVF_I4)
4476                         if (CHECK_SUB_OVERFLOW (sp [-2].data.i, sp [-1].data.i))
4477                                 THROW_EX (mono_get_exception_overflow (), ip);
4478                         BINOP(i, -);
4479                         MINT_IN_BREAK;
4480                 MINT_IN_CASE(MINT_SUB_OVF_I8)
4481                         if (CHECK_SUB_OVERFLOW64 (sp [-2].data.l, sp [-1].data.l))
4482                                 THROW_EX (mono_get_exception_overflow (), ip);
4483                         BINOP(l, -);
4484                         MINT_IN_BREAK;
4485                 MINT_IN_CASE(MINT_SUB_OVF_UN_I4)
4486                         if (CHECK_SUB_OVERFLOW_UN (sp [-2].data.i, sp [-1].data.i))
4487                                 THROW_EX (mono_get_exception_overflow (), ip);
4488                         BINOP_CAST(i, -, guint32);
4489                         MINT_IN_BREAK;
4490                 MINT_IN_CASE(MINT_SUB_OVF_UN_I8)
4491                         if (CHECK_SUB_OVERFLOW64_UN (sp [-2].data.l, sp [-1].data.l))
4492                                 THROW_EX (mono_get_exception_overflow (), ip);
4493                         BINOP_CAST(l, -, guint64);
4494                         MINT_IN_BREAK;
4495                 MINT_IN_CASE(MINT_ENDFINALLY)
4496                         ip ++;
4497                         int clause_index = *ip;
4498                         if (clause_index == exit_at_finally)
4499                                 goto exit_frame;
4500                         while (sp > frame->stack) {
4501                                 --sp;
4502                         }
4503                         if (finally_ips) {
4504                                 ip = finally_ips->data;
4505                                 finally_ips = g_slist_remove (finally_ips, ip);
4506                                 goto main_loop;
4507                         }
4508                         if (frame->ex)
4509                                 goto handle_fault;
4510                         ves_abort();
4511                         MINT_IN_BREAK;
4512                 MINT_IN_CASE(MINT_LEAVE) /* Fall through */
4513                 MINT_IN_CASE(MINT_LEAVE_S)
4514                         while (sp > frame->stack) {
4515                                 --sp;
4516                         }
4517                         frame->ip = ip;
4518                         if (*ip == MINT_LEAVE_S) {
4519                                 ip += (short) *(ip + 1);
4520                         } else {
4521                                 ip += (gint32) READ32 (ip + 1);
4522                         }
4523                         endfinally_ip = ip;
4524                         if (frame->ex_handler != NULL && MONO_OFFSET_IN_HANDLER(frame->ex_handler, frame->ip - rtm->code)) {
4525                                 frame->ex_handler = NULL;
4526                                 frame->ex = NULL;
4527                         }
4528                         goto handle_finally;
4529                         MINT_IN_BREAK;
4530                 MINT_IN_CASE(MINT_ICALL_V_V)
4531                 MINT_IN_CASE(MINT_ICALL_V_P)
4532                 MINT_IN_CASE(MINT_ICALL_P_V)
4533                 MINT_IN_CASE(MINT_ICALL_P_P)
4534                 MINT_IN_CASE(MINT_ICALL_PP_V)
4535                 MINT_IN_CASE(MINT_ICALL_PI_V)
4536                 MINT_IN_CASE(MINT_ICALL_PP_P)
4537                 MINT_IN_CASE(MINT_ICALL_PI_P)
4538                 MINT_IN_CASE(MINT_ICALL_PPP_V)
4539                 MINT_IN_CASE(MINT_ICALL_PPI_V)
4540                         sp = do_icall (context, *ip, sp, rtm->data_items [*(guint16 *)(ip + 1)]);
4541                         if (*mono_thread_interruption_request_flag ()) {
4542                                 MonoException *exc = mono_thread_interruption_checkpoint ();
4543                                 if (exc) {
4544                                         frame->ex = exc;
4545                                         context->search_for_handler = 1;
4546                                 }
4547                         }
4548                         if (frame->ex != NULL)
4549                                 goto handle_exception;
4550                         ip += 2;
4551                         MINT_IN_BREAK;
4552                 MINT_IN_CASE(MINT_MONO_LDPTR)
4553                         sp->data.p = rtm->data_items [*(guint16 *)(ip + 1)];
4554                         ip += 2;
4555                         ++sp;
4556                         MINT_IN_BREAK;
4557                 MINT_IN_CASE(MINT_MONO_NEWOBJ)
4558                         sp->data.p = mono_object_new_checked (context->domain, rtm->data_items [*(guint16 *)(ip + 1)], &error);
4559                         mono_error_cleanup (&error); /* FIXME: don't swallow the error */
4560                         ip += 2;
4561                         sp++;
4562                         MINT_IN_BREAK;
4563                 MINT_IN_CASE(MINT_MONO_FREE)
4564                         ++ip;
4565                         --sp;
4566                         g_error ("that doesn't seem right");
4567                         g_free (sp->data.p);
4568                         MINT_IN_BREAK;
4569                 MINT_IN_CASE(MINT_MONO_RETOBJ)
4570                         ++ip;
4571                         sp--;
4572                         stackval_from_data (mono_method_signature (frame->runtime_method->method)->ret, frame->retval, sp->data.p,
4573                              mono_method_signature (frame->runtime_method->method)->pinvoke);
4574                         if (sp > frame->stack)
4575                                 g_warning ("retobj: more values on stack: %d", sp-frame->stack);
4576                         goto exit_frame;
4577                 MINT_IN_CASE(MINT_MONO_TLS) {
4578                         MonoTlsKey key = *(gint32 *)(ip + 1);
4579                         sp->data.p = ((gpointer (*)()) mono_tls_get_tls_getter (key, FALSE)) ();
4580                         sp++;
4581                         ip += 3;
4582                         MINT_IN_BREAK;
4583                 }
4584                 MINT_IN_CASE(MINT_MONO_JIT_ATTACH) {
4585                         ++ip;
4586
4587                         context->original_domain = NULL;
4588                         MonoDomain *tls_domain = (MonoDomain *) ((gpointer (*)()) mono_tls_get_tls_getter (TLS_KEY_DOMAIN, FALSE)) ();
4589                         gpointer tls_jit = ((gpointer (*)()) mono_tls_get_tls_getter (TLS_KEY_DOMAIN, FALSE)) ();
4590
4591                         if (tls_domain != context->domain || !tls_jit)
4592                                 context->original_domain = mono_jit_thread_attach (context->domain);
4593                         MINT_IN_BREAK;
4594                 }
4595                 MINT_IN_CASE(MINT_MONO_JIT_DETACH)
4596                         ++ip;
4597                         mono_jit_set_domain (context->original_domain);
4598                         MINT_IN_BREAK;
4599                 MINT_IN_CASE(MINT_SDB_INTR_LOC)
4600                         if (G_UNLIKELY (ss_enabled)) {
4601                                 MonoLMFExt ext;
4602                                 static void (*ss_tramp) (void);
4603
4604                                 if (!ss_tramp) {
4605                                         void *tramp = mini_get_single_step_trampoline ();
4606                                         mono_memory_barrier ();
4607                                         ss_tramp = tramp;
4608                                 }
4609
4610                                 /*
4611                                  * Make this point to the MINT_SDB_SEQ_POINT instruction which follows this since
4612                                  * the address of that instruction is stored as the seq point address.
4613                                  */
4614                                 frame->ip = ip + 1;
4615
4616                                 interp_push_lmf (&ext, frame);
4617                                 /*
4618                                  * Use the same trampoline as the JIT. This ensures that
4619                                  * the debugger has the context for the last interpreter
4620                                  * native frame.
4621                                  */
4622                                 ss_tramp ();
4623                                 interp_pop_lmf (&ext);
4624
4625                                 if (context->has_resume_state) {
4626                                         if (frame == context->handler_frame)
4627                                                 SET_RESUME_STATE (context);
4628                                         else
4629                                                 goto exit_frame;
4630                                 }
4631                         }
4632                         ++ip;
4633                         MINT_IN_BREAK;
4634                 MINT_IN_CASE(MINT_SDB_SEQ_POINT)
4635                         /* Just a placeholder for a breakpoint */
4636                         ++ip;
4637                         MINT_IN_BREAK;
4638                 MINT_IN_CASE(MINT_SDB_BREAKPOINT) {
4639                         MonoLMFExt ext;
4640
4641                         static void (*bp_tramp) (void);
4642                         if (!bp_tramp) {
4643                                 void *tramp = mini_get_breakpoint_trampoline ();
4644                                 mono_memory_barrier ();
4645                                 bp_tramp = tramp;
4646                         }
4647
4648                         frame->ip = ip;
4649
4650                         interp_push_lmf (&ext, frame);
4651                         /* Use the same trampoline as the JIT */
4652                         bp_tramp ();
4653                         interp_pop_lmf (&ext);
4654
4655                         if (context->has_resume_state) {
4656                                 if (frame == context->handler_frame)
4657                                         SET_RESUME_STATE (context);
4658                                 else
4659                                         goto exit_frame;
4660                         }
4661
4662                         ++ip;
4663                         MINT_IN_BREAK;
4664                 }
4665
4666 #define RELOP(datamem, op) \
4667         --sp; \
4668         sp [-1].data.i = sp [-1].data.datamem op sp [0].data.datamem; \
4669         ++ip;
4670                 MINT_IN_CASE(MINT_CEQ_I4)
4671                         RELOP(i, ==);
4672                         MINT_IN_BREAK;
4673                 MINT_IN_CASE(MINT_CEQ0_I4)
4674                         sp [-1].data.i = (sp [-1].data.i == 0);
4675                         ++ip;
4676                         MINT_IN_BREAK;
4677                 MINT_IN_CASE(MINT_CEQ_I8)
4678                         RELOP(l, ==);
4679                         MINT_IN_BREAK;
4680                 MINT_IN_CASE(MINT_CEQ_R8)
4681                         --sp;
4682                         if (isunordered (sp [-1].data.f, sp [0].data.f))
4683                                 sp [-1].data.i = 0;
4684                         else
4685                                 sp [-1].data.i = sp [-1].data.f == sp [0].data.f;
4686                         ++ip;
4687                         MINT_IN_BREAK;
4688                 MINT_IN_CASE(MINT_CGT_I4)
4689                         RELOP(i, >);
4690                         MINT_IN_BREAK;
4691                 MINT_IN_CASE(MINT_CGT_I8)
4692                         RELOP(l, >);
4693                         MINT_IN_BREAK;
4694                 MINT_IN_CASE(MINT_CGT_R8)
4695                         --sp;
4696                         if (isunordered (sp [-1].data.f, sp [0].data.f))
4697                                 sp [-1].data.i = 0;
4698                         else
4699                                 sp [-1].data.i = sp [-1].data.f > sp [0].data.f;
4700                         ++ip;
4701                         MINT_IN_BREAK;
4702
4703 #define RELOP_CAST(datamem, op, type) \
4704         --sp; \
4705         sp [-1].data.i = (type)sp [-1].data.datamem op (type)sp [0].data.datamem; \
4706         ++ip;
4707
4708                 MINT_IN_CASE(MINT_CGT_UN_I4)
4709                         RELOP_CAST(i, >, guint32);
4710                         MINT_IN_BREAK;
4711                 MINT_IN_CASE(MINT_CGT_UN_I8)
4712                         RELOP_CAST(l, >, guint64);
4713                         MINT_IN_BREAK;
4714                 MINT_IN_CASE(MINT_CGT_UN_R8)
4715                         --sp;
4716                         if (isunordered (sp [-1].data.f, sp [0].data.f))
4717                                 sp [-1].data.i = 1;
4718                         else
4719                                 sp [-1].data.i = sp [-1].data.f > sp [0].data.f;
4720                         ++ip;
4721                         MINT_IN_BREAK;
4722                 MINT_IN_CASE(MINT_CLT_I4)
4723                         RELOP(i, <);
4724                         MINT_IN_BREAK;
4725                 MINT_IN_CASE(MINT_CLT_I8)
4726                         RELOP(l, <);
4727                         MINT_IN_BREAK;
4728                 MINT_IN_CASE(MINT_CLT_R8)
4729                         --sp;
4730                         if (isunordered (sp [-1].data.f, sp [0].data.f))
4731                                 sp [-1].data.i = 0;
4732                         else
4733                                 sp [-1].data.i = sp [-1].data.f < sp [0].data.f;
4734                         ++ip;
4735                         MINT_IN_BREAK;
4736                 MINT_IN_CASE(MINT_CLT_UN_I4)
4737                         RELOP_CAST(i, <, guint32);
4738                         MINT_IN_BREAK;
4739                 MINT_IN_CASE(MINT_CLT_UN_I8)
4740                         RELOP_CAST(l, <, guint64);
4741                         MINT_IN_BREAK;
4742                 MINT_IN_CASE(MINT_CLT_UN_R8)
4743                         --sp;
4744                         if (isunordered (sp [-1].data.f, sp [0].data.f))
4745                                 sp [-1].data.i = 1;
4746                         else
4747                                 sp [-1].data.i = sp [-1].data.f < sp [0].data.f;
4748                         ++ip;
4749                         MINT_IN_BREAK;
4750                 MINT_IN_CASE(MINT_LDFTN) {
4751                         sp->data.p = rtm->data_items [* (guint16 *)(ip + 1)];
4752                         ++sp;
4753                         ip += 2;
4754                         MINT_IN_BREAK;
4755                 }
4756                 MINT_IN_CASE(MINT_LDVIRTFTN) {
4757                         RuntimeMethod *m = rtm->data_items [* (guint16 *)(ip + 1)];
4758                         ip += 2;
4759                         --sp;
4760                         if (!sp->data.p)
4761                                 THROW_EX (mono_get_exception_null_reference (), ip - 2);
4762
4763                         sp->data.p = get_virtual_method (context->domain, m, sp->data.p);
4764                         ++sp;
4765                         MINT_IN_BREAK;
4766                 }
4767
4768 #define LDARG(datamem, argtype) \
4769         sp->data.datamem = * (argtype *)(frame->args + * (guint16 *)(ip + 1)); \
4770         ip += 2; \
4771         ++sp;
4772
4773                 MINT_IN_CASE(MINT_LDARG_I1) LDARG(i, gint8); MINT_IN_BREAK;
4774                 MINT_IN_CASE(MINT_LDARG_U1) LDARG(i, guint8); MINT_IN_BREAK;
4775                 MINT_IN_CASE(MINT_LDARG_I2) LDARG(i, gint16); MINT_IN_BREAK;
4776                 MINT_IN_CASE(MINT_LDARG_U2) LDARG(i, guint16); MINT_IN_BREAK;
4777                 MINT_IN_CASE(MINT_LDARG_I4) LDARG(i, gint32); MINT_IN_BREAK;
4778                 MINT_IN_CASE(MINT_LDARG_I8) LDARG(l, gint64); MINT_IN_BREAK;
4779                 MINT_IN_CASE(MINT_LDARG_R4) LDARG(f, float); MINT_IN_BREAK;
4780                 MINT_IN_CASE(MINT_LDARG_R8) LDARG(f, double); MINT_IN_BREAK;
4781                 MINT_IN_CASE(MINT_LDARG_O) LDARG(p, gpointer); MINT_IN_BREAK;
4782                 MINT_IN_CASE(MINT_LDARG_P) LDARG(p, gpointer); MINT_IN_BREAK;
4783
4784                 MINT_IN_CASE(MINT_LDARG_VT)
4785                         sp->data.p = vt_sp;
4786                         i32 = READ32(ip + 2);
4787                         memcpy(sp->data.p, frame->args + * (guint16 *)(ip + 1), i32);
4788                         vt_sp += (i32 + 7) & ~7;
4789                         ip += 4;
4790                         ++sp;
4791                         MINT_IN_BREAK;
4792
4793 #define STARG(datamem, argtype) \
4794         --sp; \
4795         * (argtype *)(frame->args + * (guint16 *)(ip + 1)) = sp->data.datamem; \
4796         ip += 2; \
4797
4798                 MINT_IN_CASE(MINT_STARG_I1) STARG(i, gint8); MINT_IN_BREAK;
4799                 MINT_IN_CASE(MINT_STARG_U1) STARG(i, guint8); MINT_IN_BREAK;
4800                 MINT_IN_CASE(MINT_STARG_I2) STARG(i, gint16); MINT_IN_BREAK;
4801                 MINT_IN_CASE(MINT_STARG_U2) STARG(i, guint16); MINT_IN_BREAK;
4802                 MINT_IN_CASE(MINT_STARG_I4) STARG(i, gint32); MINT_IN_BREAK;
4803                 MINT_IN_CASE(MINT_STARG_I8) STARG(l, gint64); MINT_IN_BREAK;
4804                 MINT_IN_CASE(MINT_STARG_R4) STARG(f, float); MINT_IN_BREAK;
4805                 MINT_IN_CASE(MINT_STARG_R8) STARG(f, double); MINT_IN_BREAK;
4806                 MINT_IN_CASE(MINT_STARG_O) STARG(p, gpointer); MINT_IN_BREAK;
4807                 MINT_IN_CASE(MINT_STARG_P) STARG(p, gpointer); MINT_IN_BREAK;
4808
4809                 MINT_IN_CASE(MINT_STARG_VT)
4810                         i32 = READ32(ip + 2);
4811                         --sp;
4812                         memcpy(frame->args + * (guint16 *)(ip + 1), sp->data.p, i32);
4813                         vt_sp -= (i32 + 7) & ~7;
4814                         ip += 4;
4815                         MINT_IN_BREAK;
4816
4817 #define STINARG(datamem, argtype) \
4818         do { \
4819                 int n = * (guint16 *)(ip + 1); \
4820                 * (argtype *)(frame->args + rtm->arg_offsets [n]) = frame->stack_args [n].data.datamem; \
4821                 ip += 2; \
4822         } while (0)
4823
4824                 MINT_IN_CASE(MINT_STINARG_I1) STINARG(i, gint8); MINT_IN_BREAK;
4825                 MINT_IN_CASE(MINT_STINARG_U1) STINARG(i, guint8); MINT_IN_BREAK;
4826                 MINT_IN_CASE(MINT_STINARG_I2) STINARG(i, gint16); MINT_IN_BREAK;
4827                 MINT_IN_CASE(MINT_STINARG_U2) STINARG(i, guint16); MINT_IN_BREAK;
4828                 MINT_IN_CASE(MINT_STINARG_I4) STINARG(i, gint32); MINT_IN_BREAK;
4829                 MINT_IN_CASE(MINT_STINARG_I8) STINARG(l, gint64); MINT_IN_BREAK;
4830                 MINT_IN_CASE(MINT_STINARG_R4) STINARG(f, float); MINT_IN_BREAK;
4831                 MINT_IN_CASE(MINT_STINARG_R8) STINARG(f, double); MINT_IN_BREAK;
4832                 MINT_IN_CASE(MINT_STINARG_O) STINARG(p, gpointer); MINT_IN_BREAK;
4833                 MINT_IN_CASE(MINT_STINARG_P) STINARG(p, gpointer); MINT_IN_BREAK;
4834
4835                 MINT_IN_CASE(MINT_STINARG_VT) {
4836                         int n = * (guint16 *)(ip + 1);
4837                         i32 = READ32(ip + 2);
4838                         memcpy (frame->args + rtm->arg_offsets [n], frame->stack_args [n].data.p, i32);
4839                         ip += 4;
4840                         MINT_IN_BREAK;
4841                 }
4842
4843                 MINT_IN_CASE(MINT_LDARGA)
4844                         sp->data.p = frame->args + * (guint16 *)(ip + 1);
4845                         ip += 2;
4846                         ++sp;
4847                         MINT_IN_BREAK;
4848
4849 #define LDLOC(datamem, argtype) \
4850         sp->data.datamem = * (argtype *)(locals + * (guint16 *)(ip + 1)); \
4851         ip += 2; \
4852         ++sp;
4853
4854                 MINT_IN_CASE(MINT_LDLOC_I1) LDLOC(i, gint8); MINT_IN_BREAK;
4855                 MINT_IN_CASE(MINT_LDLOC_U1) LDLOC(i, guint8); MINT_IN_BREAK;
4856                 MINT_IN_CASE(MINT_LDLOC_I2) LDLOC(i, gint16); MINT_IN_BREAK;
4857                 MINT_IN_CASE(MINT_LDLOC_U2) LDLOC(i, guint16); MINT_IN_BREAK;
4858                 MINT_IN_CASE(MINT_LDLOC_I4) LDLOC(i, gint32); MINT_IN_BREAK;
4859                 MINT_IN_CASE(MINT_LDLOC_I8) LDLOC(l, gint64); MINT_IN_BREAK;
4860                 MINT_IN_CASE(MINT_LDLOC_R4) LDLOC(f, float); MINT_IN_BREAK;
4861                 MINT_IN_CASE(MINT_LDLOC_R8) LDLOC(f, double); MINT_IN_BREAK;
4862                 MINT_IN_CASE(MINT_LDLOC_O) LDLOC(p, gpointer); MINT_IN_BREAK;
4863                 MINT_IN_CASE(MINT_LDLOC_P) LDLOC(p, gpointer); MINT_IN_BREAK;
4864
4865                 MINT_IN_CASE(MINT_LDLOC_VT)
4866                         sp->data.p = vt_sp;
4867                         i32 = READ32(ip + 2);
4868                         memcpy(sp->data.p, locals + * (guint16 *)(ip + 1), i32);
4869                         vt_sp += (i32 + 7) & ~7;
4870                         ip += 4;
4871                         ++sp;
4872                         MINT_IN_BREAK;
4873
4874                 MINT_IN_CASE(MINT_LDLOCA_S)
4875                         sp->data.p = locals + * (guint16 *)(ip + 1);
4876                         ip += 2;
4877                         ++sp;
4878                         MINT_IN_BREAK;
4879
4880 #define STLOC(datamem, argtype) \
4881         --sp; \
4882         * (argtype *)(locals + * (guint16 *)(ip + 1)) = sp->data.datamem; \
4883         ip += 2;
4884
4885                 MINT_IN_CASE(MINT_STLOC_I1) STLOC(i, gint8); MINT_IN_BREAK;
4886                 MINT_IN_CASE(MINT_STLOC_U1) STLOC(i, guint8); MINT_IN_BREAK;
4887                 MINT_IN_CASE(MINT_STLOC_I2) STLOC(i, gint16); MINT_IN_BREAK;
4888                 MINT_IN_CASE(MINT_STLOC_U2) STLOC(i, guint16); MINT_IN_BREAK;
4889                 MINT_IN_CASE(MINT_STLOC_I4) STLOC(i, gint32); MINT_IN_BREAK;
4890                 MINT_IN_CASE(MINT_STLOC_I8) STLOC(l, gint64); MINT_IN_BREAK;
4891                 MINT_IN_CASE(MINT_STLOC_R4) STLOC(f, float); MINT_IN_BREAK;
4892                 MINT_IN_CASE(MINT_STLOC_R8) STLOC(f, double); MINT_IN_BREAK;
4893                 MINT_IN_CASE(MINT_STLOC_O) STLOC(p, gpointer); MINT_IN_BREAK;
4894                 MINT_IN_CASE(MINT_STLOC_P) STLOC(p, gpointer); MINT_IN_BREAK;
4895
4896 #define STLOC_NP(datamem, argtype) \
4897         * (argtype *)(locals + * (guint16 *)(ip + 1)) = sp [-1].data.datamem; \
4898         ip += 2;
4899
4900                 MINT_IN_CASE(MINT_STLOC_NP_I4) STLOC_NP(i, gint32); MINT_IN_BREAK;
4901                 MINT_IN_CASE(MINT_STLOC_NP_O) STLOC_NP(p, gpointer); MINT_IN_BREAK;
4902
4903                 MINT_IN_CASE(MINT_STLOC_VT)
4904                         i32 = READ32(ip + 2);
4905                         --sp;
4906                         memcpy(locals + * (guint16 *)(ip + 1), sp->data.p, i32);
4907                         vt_sp -= (i32 + 7) & ~7;
4908                         ip += 4;
4909                         MINT_IN_BREAK;
4910
4911                 MINT_IN_CASE(MINT_LOCALLOC) {
4912                         if (sp != frame->stack + 1) /*FIX?*/
4913                                 THROW_EX (mono_get_exception_execution_engine (NULL), ip);
4914
4915                         int len = sp [-1].data.i;
4916                         sp [-1].data.p = alloca (len);
4917                         MonoMethodHeader *header = mono_method_get_header_checked (frame->runtime_method->method, &error);
4918                         mono_error_cleanup (&error); /* FIXME: don't swallow the error */
4919                         if (header && header->init_locals)
4920                                 memset (sp [-1].data.p, 0, len);
4921                         ++ip;
4922                         MINT_IN_BREAK;
4923                 }
4924                 MINT_IN_CASE(MINT_ENDFILTER)
4925                         /* top of stack is result of filter */
4926                         frame->retval = &sp [-1];
4927                         goto exit_frame;
4928                 MINT_IN_CASE(MINT_INITOBJ)
4929                         --sp;
4930                         memset (sp->data.vt, 0, READ32(ip + 1));
4931                         ip += 3;
4932                         MINT_IN_BREAK;
4933                 MINT_IN_CASE(MINT_CPBLK)
4934                         sp -= 3;
4935                         if (!sp [0].data.p || !sp [1].data.p)
4936                                 THROW_EX (mono_get_exception_null_reference(), ip - 1);
4937                         ++ip;
4938                         /* FIXME: value and size may be int64... */
4939                         memcpy (sp [0].data.p, sp [1].data.p, sp [2].data.i);
4940                         MINT_IN_BREAK;
4941 #if 0
4942                 MINT_IN_CASE(MINT_CONSTRAINED_) {
4943                         guint32 token;
4944                         /* FIXME: implement */
4945                         ++ip;
4946                         token = READ32 (ip);
4947                         ip += 2;
4948                         MINT_IN_BREAK;
4949                 }
4950 #endif
4951                 MINT_IN_CASE(MINT_INITBLK)
4952                         sp -= 3;
4953                         if (!sp [0].data.p)
4954                                 THROW_EX (mono_get_exception_null_reference(), ip - 1);
4955                         ++ip;
4956                         /* FIXME: value and size may be int64... */
4957                         memset (sp [0].data.p, sp [1].data.i, sp [2].data.i);
4958                         MINT_IN_BREAK;
4959 #if 0
4960                 MINT_IN_CASE(MINT_NO_)
4961                         /* FIXME: implement */
4962                         ip += 2;
4963                         MINT_IN_BREAK;
4964 #endif
4965                 MINT_IN_CASE(MINT_RETHROW)
4966                         /*
4967                          * need to clarify what this should actually do:
4968                          * start the search from the last found handler in
4969                          * this method or continue in the caller or what.
4970                          * Also, do we need to run finally/fault handlers after a retrow?
4971                          * Well, this implementation will follow the usual search
4972                          * for an handler, considering the current ip as throw spot.
4973                          * We need to NULL frame->ex_handler for the later code to
4974                          * actually run the new found handler.
4975                          */
4976                         frame->ex_handler = NULL;
4977                         THROW_EX (frame->ex, ip - 1);
4978                         MINT_IN_BREAK;
4979                 MINT_IN_DEFAULT
4980                         g_print ("Unimplemented opcode: %04x %s at 0x%x\n", *ip, mono_interp_opname[*ip], ip-rtm->code);
4981                         THROW_EX (mono_get_exception_execution_engine ("Unimplemented opcode"), ip);
4982                 }
4983         }
4984
4985         g_assert_not_reached ();
4986         /*
4987          * Exception handling code.
4988          * The exception object is stored in frame->ex.
4989          */
4990
4991         handle_exception:
4992         {
4993                 int i;
4994                 guint32 ip_offset;
4995                 MonoInvocation *inv;
4996                 MonoExceptionClause *clause;
4997                 /*char *message;*/
4998                 MonoObject *ex_obj;
4999
5000 #if DEBUG_INTERP
5001                 if (tracing)
5002                         g_print ("* Handling exception '%s' at IL_%04x\n",
5003                                 frame->ex == NULL ? "** Unknown **" : mono_object_class (frame->ex)->name,
5004                                 rtm == NULL ? 0 : frame->ip - rtm->code);
5005 #endif
5006                 if (die_on_exception)
5007                         goto die_on_ex;
5008
5009                 for (inv = frame; inv; inv = inv->parent) {
5010                         MonoMethod *method;
5011                         if (inv->runtime_method == NULL)
5012                                 continue;
5013                         method = inv->runtime_method->method;
5014                         if (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL)
5015                                 continue;
5016                         if (method->iflags & (METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL | METHOD_IMPL_ATTRIBUTE_RUNTIME))
5017                                 continue;
5018                         if (inv->ip == NULL)
5019                                 continue;
5020                         ip_offset = inv->ip - inv->runtime_method->code;
5021                         inv->ex_handler = NULL; /* clear this in case we are trhowing an exception while handling one  - this one wins */
5022                         for (i = 0; i < inv->runtime_method->num_clauses; ++i) {
5023                                 clause = &inv->runtime_method->clauses [i];
5024 #if DEBUG_INTERP
5025                                 g_print ("* clause [%d]: %p\n", i, clause);
5026 #endif
5027                                 if (!MONO_OFFSET_IN_CLAUSE (clause, ip_offset)) {
5028                                         continue;
5029                                 }
5030                                 if (clause->flags == MONO_EXCEPTION_CLAUSE_FILTER) {
5031 #if DEBUG_INTERP
5032                                         if (tracing)
5033                                                 g_print ("* Filter found at '%s'\n", method->name);
5034 #endif
5035                                         MonoInvocation dup_frame;
5036                                         stackval retval;
5037                                         memcpy (&dup_frame, inv, sizeof (MonoInvocation));
5038                                         dup_frame.retval = &retval;
5039                                         ves_exec_method_with_context (&dup_frame, context, inv->runtime_method->code + clause->data.filter_offset, frame->ex, -1);
5040                                         if (dup_frame.retval->data.i) {
5041 #if DEBUG_INTERP
5042                                                 if (tracing)
5043                                                         g_print ("* Matched Filter at '%s'\n", method->name);
5044 #endif
5045                                                 inv->ex_handler = clause;
5046                                                 goto handle_finally;
5047                                         }
5048                                 } else if (clause->flags == MONO_EXCEPTION_CLAUSE_NONE) {
5049                                         MonoObject *isinst_obj = mono_object_isinst_checked ((MonoObject*)frame->ex, clause->data.catch_class, &error);
5050                                         mono_error_cleanup (&error); /* FIXME: don't swallow the error */
5051                                         if (isinst_obj) {
5052                                                 /*
5053                                                  * OK, we found an handler, now we need to execute the finally
5054                                                  * and fault blocks before branching to the handler code.
5055                                                  */
5056 #if DEBUG_INTERP
5057                                                 if (tracing)
5058                                                         g_print ("* Found handler at '%s'\n", method->name);
5059 #endif
5060                                                 inv->ex_handler = clause;
5061                                                 goto handle_finally;
5062                                         }
5063                                 }
5064                         }
5065                 }
5066                 /*
5067                  * If we get here, no handler was found: print a stack trace.
5068                  */
5069                 for (inv = frame; inv; inv = inv->parent) {
5070                         if (inv->invoke_trap)
5071                                 goto handle_finally;
5072                 }
5073 die_on_ex:
5074                 ex_obj = (MonoObject *) frame->ex;
5075                 mono_unhandled_exception (ex_obj);
5076                 MonoJitTlsData *jit_tls = (MonoJitTlsData *) mono_tls_get_jit_tls ();
5077                 jit_tls->abort_func (ex_obj);
5078                 g_assert_not_reached ();
5079         }
5080         handle_finally:
5081         {
5082                 int i;
5083                 guint32 ip_offset;
5084                 MonoExceptionClause *clause;
5085                 GSList *old_list = finally_ips;
5086                 MonoMethod *method = frame->runtime_method->method;
5087                 MonoMethodHeader *header = mono_method_get_header_checked (method, &error);
5088                 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
5089
5090 #if DEBUG_INTERP
5091                 if (tracing)
5092                         g_print ("* Handle finally IL_%04x\n", endfinally_ip == NULL ? 0 : endfinally_ip - rtm->code);
5093 #endif
5094                 if (rtm == NULL || (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL)
5095                                 || (method->iflags & (METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL | METHOD_IMPL_ATTRIBUTE_RUNTIME))) {
5096                         goto exit_frame;
5097                 }
5098                 ip_offset = frame->ip - rtm->code;
5099
5100                 if (endfinally_ip != NULL)
5101                         finally_ips = g_slist_prepend(finally_ips, (void *)endfinally_ip);
5102                 for (i = 0; i < header->num_clauses; ++i)
5103                         if (frame->ex_handler == &rtm->clauses [i])
5104                                 break;
5105                 while (i > 0) {
5106                         --i;
5107                         clause = &rtm->clauses [i];
5108                         if (MONO_OFFSET_IN_CLAUSE (clause, ip_offset) && (endfinally_ip == NULL || !(MONO_OFFSET_IN_CLAUSE (clause, endfinally_ip - rtm->code)))) {
5109                                 if (clause->flags == MONO_EXCEPTION_CLAUSE_FINALLY) {
5110                                         ip = rtm->code + clause->handler_offset;
5111                                         finally_ips = g_slist_prepend (finally_ips, (gpointer) ip);
5112 #if DEBUG_INTERP
5113                                         if (tracing)
5114                                                 g_print ("* Found finally at IL_%04x with exception: %s\n", clause->handler_offset, frame->ex? "yes": "no");
5115 #endif
5116                                 }
5117                         }
5118                 }
5119
5120                 endfinally_ip = NULL;
5121
5122                 if (old_list != finally_ips && finally_ips) {
5123                         ip = finally_ips->data;
5124                         finally_ips = g_slist_remove (finally_ips, ip);
5125                         sp = frame->stack; /* spec says stack should be empty at endfinally so it should be at the start too */
5126                         goto main_loop;
5127                 }
5128
5129                 /*
5130                  * If an exception is set, we need to execute the fault handler, too,
5131                  * otherwise, we continue normally.
5132                  */
5133                 if (frame->ex)
5134                         goto handle_fault;
5135                 ves_abort();
5136         }
5137         handle_fault:
5138         {
5139                 int i;
5140                 guint32 ip_offset;
5141                 MonoExceptionClause *clause;
5142                 MonoMethod *method = frame->runtime_method->method;
5143                 MonoMethodHeader *header = mono_method_get_header_checked (method, &error);
5144                 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
5145
5146 #if DEBUG_INTERP
5147                 if (tracing)
5148                         g_print ("* Handle fault\n");
5149 #endif
5150                 ip_offset = frame->ip - rtm->code;
5151                 for (i = 0; i < header->num_clauses; ++i) {
5152                         clause = &rtm->clauses [i];
5153                         if (clause->flags == MONO_EXCEPTION_CLAUSE_FAULT && MONO_OFFSET_IN_CLAUSE (clause, ip_offset)) {
5154                                 ip = rtm->code + clause->handler_offset;
5155 #if DEBUG_INTERP
5156                                 if (tracing)
5157                                         g_print ("* Executing handler at IL_%04x\n", clause->handler_offset);
5158 #endif
5159                                 goto main_loop;
5160                         }
5161                 }
5162                 /*
5163                  * If the handler for the exception was found in this method, we jump
5164                  * to it right away, otherwise we return and let the caller run
5165                  * the finally, fault and catch blocks.
5166                  * This same code should be present in the endfault opcode, but it
5167                  * is corrently not assigned in the ECMA specs: LAMESPEC.
5168                  */
5169                 if (frame->ex_handler) {
5170 #if DEBUG_INTERP
5171                         if (tracing)
5172                                 g_print ("* Executing handler at IL_%04x\n", frame->ex_handler->handler_offset);
5173 #endif
5174                         ip = rtm->code + frame->ex_handler->handler_offset;
5175                         sp = frame->stack;
5176                         vt_sp = (unsigned char *) sp + rtm->stack_size;
5177                         sp->data.p = frame->ex;
5178                         ++sp;
5179                         goto main_loop;
5180                 }
5181                 goto exit_frame;
5182         }
5183 exit_frame:
5184         DEBUG_LEAVE ();
5185 }
5186
5187 void
5188 ves_exec_method (MonoInvocation *frame)
5189 {
5190         ThreadContext *context = mono_native_tls_get_value (thread_context_id);
5191         ThreadContext context_struct;
5192         MonoError error;
5193         jmp_buf env;
5194
5195         frame->ex = NULL;
5196
5197         if (setjmp(env)) {
5198                 mono_unhandled_exception ((MonoObject*)frame->ex);
5199                 return;
5200         }
5201         if (context == NULL) {
5202                 context = &context_struct;
5203                 context_struct.domain = mono_domain_get ();
5204                 context_struct.base_frame = frame;
5205                 context_struct.current_frame = NULL;
5206                 context_struct.env_frame = frame;
5207                 context_struct.current_env = &env;
5208                 context_struct.search_for_handler = 0;
5209                 context_struct.managed_code = 0;
5210                 set_context (context);
5211         }
5212         frame->ip = NULL;
5213         frame->parent = context->current_frame;
5214         frame->runtime_method = mono_interp_get_runtime_method (context->domain, frame->method, &error);
5215         mono_error_cleanup (&error); /* FIXME: don't swallow the error */
5216         context->managed_code = 1;
5217         ves_exec_method_with_context (frame, context, NULL, NULL, -1);
5218         context->managed_code = 0;
5219         if (frame->ex) {
5220                 if (context != &context_struct && context->current_env) {
5221                         context->env_frame->ex = frame->ex;
5222                         longjmp (*context->current_env, 1);
5223                 }
5224                 else
5225                         mono_unhandled_exception ((MonoObject*)frame->ex);
5226         }
5227         if (context->base_frame == frame)
5228                 set_context (NULL);
5229         else
5230                 context->current_frame = frame->parent;
5231 }
5232
5233 void
5234 mono_interp_parse_options (const char *options)
5235 {
5236         char **args, **ptr;
5237
5238         args = g_strsplit (options, ",", -1);
5239         for (ptr = args; ptr && *ptr; ptr ++) {
5240                 char *arg = *ptr;
5241
5242                 if (strncmp (arg, "jit=", 4) == 0)
5243                         jit_classes = g_slist_prepend (jit_classes, arg + 4);
5244         }
5245 }
5246
5247 void
5248 mono_interp_init ()
5249 {
5250         mono_native_tls_alloc (&thread_context_id, NULL);
5251         set_context (NULL);
5252
5253         mono_interp_transform_init ();
5254 }
5255
5256 typedef int (*TestMethod) (void);
5257
5258 static void
5259 interp_regression_step (MonoImage *image, int verbose, int *total_run, int *total, GTimer *timer, MonoDomain *domain)
5260 {
5261         int result, expected, failed, cfailed, run;
5262         double elapsed, transform_time;
5263         int i;
5264         MonoObject *result_obj;
5265         static gboolean filter_method_init = FALSE;
5266         static const char *filter_method = NULL;
5267
5268         g_print ("Test run: image=%s\n", mono_image_get_filename (image));
5269         cfailed = failed = run = 0;
5270         transform_time = elapsed = 0.0;
5271
5272         g_timer_start (timer);
5273         for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_METHOD); ++i) {
5274                 MonoObject *exc = NULL;
5275                 MonoError error;
5276                 MonoMethod *method = mono_get_method_checked (image, MONO_TOKEN_METHOD_DEF | (i + 1), NULL, NULL, &error);
5277                 if (!method) {
5278                         mono_error_cleanup (&error); /* FIXME don't swallow the error */
5279                         continue;
5280                 }
5281
5282                 if (!filter_method_init) {
5283                         filter_method = g_getenv ("INTERP_FILTER_METHOD");
5284                         filter_method_init = TRUE;
5285                 }
5286                 gboolean filter = FALSE;
5287                 if (filter_method) {
5288                         const char *name = filter_method;
5289
5290                         if ((strchr (name, '.') > name) || strchr (name, ':')) {
5291                                 MonoMethodDesc *desc = mono_method_desc_new (name, TRUE);
5292                                 filter = mono_method_desc_full_match (desc, method);
5293                                 mono_method_desc_free (desc);
5294                         } else {
5295                                 filter = strcmp (method->name, name) == 0;
5296                         }
5297                 } else { /* no filter, check for `Category' attribute on method */
5298                         filter = TRUE;
5299                         MonoCustomAttrInfo* ainfo = mono_custom_attrs_from_method_checked (method, &error);
5300                         mono_error_cleanup (&error);
5301
5302                         if (ainfo) {
5303                                 int j;
5304                                 for (j = 0; j < ainfo->num_attrs && filter; ++j) {
5305                                         MonoCustomAttrEntry *centry = &ainfo->attrs [j];
5306                                         if (centry->ctor == NULL)
5307                                                 continue;
5308
5309                                         MonoClass *klass = centry->ctor->klass;
5310                                         if (strcmp (klass->name, "CategoryAttribute"))
5311                                                 continue;
5312
5313                                         MonoObject *obj = mono_custom_attrs_get_attr_checked (ainfo, klass, &error);
5314                                         /* FIXME: there is an ordering problem if there're multiple attributes, do this instead:
5315                                          * MonoObject *obj = create_custom_attr (ainfo->image, centry->ctor, centry->data, centry->data_size, &error); */
5316                                         mono_error_cleanup (&error);
5317                                         MonoMethod *getter = mono_class_get_method_from_name (klass, "get_Category", -1);
5318                                         MonoObject *str = mono_interp_runtime_invoke (getter, obj, NULL, &exc, &error);
5319                                         mono_error_cleanup (&error);
5320                                         char *utf8_str = mono_string_to_utf8_checked ((MonoString *) str, &error);
5321                                         mono_error_cleanup (&error);
5322                                         if (!strcmp (utf8_str, "!INTERPRETER")) {
5323                                                 g_print ("skip %s...\n", method->name);
5324                                                 filter = FALSE;
5325                                         }
5326                                 }
5327                         }
5328                 }
5329                 if (strncmp (method->name, "test_", 5) == 0 && filter) {
5330                         MonoError interp_error;
5331                         MonoObject *exc = NULL;
5332
5333                         result_obj = mono_interp_runtime_invoke (method, NULL, NULL, &exc, &interp_error);
5334                         if (!mono_error_ok (&interp_error)) {
5335                                 cfailed++;
5336                                 g_print ("Test '%s' execution failed.\n", method->name);
5337                         } else if (exc != NULL) {
5338                                 g_print ("Exception in Test '%s' occured:\n", method->name);
5339                                 mono_object_describe (exc);
5340                                 run++;
5341                                 failed++;
5342                         } else {
5343                                 result = *(gint32 *) mono_object_unbox (result_obj);
5344                                 expected = atoi (method->name + 5);  // FIXME: oh no.
5345                                 run++;
5346
5347                                 if (result != expected) {
5348                                         failed++;
5349                                         g_print ("Test '%s' failed result (got %d, expected %d).\n", method->name, result, expected);
5350                                 }
5351                         }
5352                 }
5353         }
5354         g_timer_stop (timer);
5355         elapsed = g_timer_elapsed (timer, NULL);
5356         if (failed > 0 || cfailed > 0){
5357                 g_print ("Results: total tests: %d, failed: %d, cfailed: %d (pass: %.2f%%)\n",
5358                                 run, failed, cfailed, 100.0*(run-failed-cfailed)/run);
5359         } else {
5360                 g_print ("Results: total tests: %d, all pass \n",  run);
5361         }
5362
5363         g_print ("Elapsed time: %f secs (%f, %f)\n\n", elapsed,
5364                         elapsed - transform_time, transform_time);
5365         *total += failed + cfailed;
5366         *total_run += run;
5367 }
5368
5369 static int
5370 interp_regression (MonoImage *image, int verbose, int *total_run)
5371 {
5372         MonoMethod *method;
5373         GTimer *timer = g_timer_new ();
5374         MonoDomain *domain = mono_domain_get ();
5375         guint32 i;
5376         int total;
5377
5378         /* load the metadata */
5379         for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_METHOD); ++i) {
5380                 MonoError error;
5381                 method = mono_get_method_checked (image, MONO_TOKEN_METHOD_DEF | (i + 1), NULL, NULL, &error);
5382                 if (!method) {
5383                         mono_error_cleanup (&error);
5384                         continue;
5385                 }
5386                 mono_class_init (method->klass);
5387         }
5388
5389         total = 0;
5390         *total_run = 0;
5391         interp_regression_step (image, verbose, total_run, &total, timer, domain);
5392
5393         g_timer_destroy (timer);
5394         return total;
5395 }
5396
5397 int
5398 mono_interp_regression_list (int verbose, int count, char *images [])
5399 {
5400         int i, total, total_run, run;
5401
5402         total_run = total = 0;
5403         for (i = 0; i < count; ++i) {
5404                 MonoAssembly *ass = mono_assembly_open_predicate (images [i], FALSE, FALSE, NULL, NULL, NULL);
5405                 if (!ass) {
5406                         g_warning ("failed to load assembly: %s", images [i]);
5407                         continue;
5408                 }
5409                 total += interp_regression (mono_assembly_get_image (ass), verbose, &run);
5410                 total_run += run;
5411         }
5412         if (total > 0) {
5413                 g_print ("Overall results: tests: %d, failed: %d (pass: %.2f%%)\n", total_run, total, 100.0*(total_run-total)/total_run);
5414         } else {
5415                 g_print ("Overall results: tests: %d, 100%% pass\n", total_run);
5416         }
5417
5418         return total;
5419 }
5420
5421 /*
5422  * mono_interp_set_resume_state:
5423  *
5424  *   Set the state the interpeter will continue to execute from after execution returns to the interpreter.
5425  */
5426 void
5427 mono_interp_set_resume_state (MonoJitTlsData *jit_tls, MonoException *ex, MonoInterpFrameHandle interp_frame, gpointer handler_ip)
5428 {
5429         ThreadContext *context;
5430
5431         g_assert (jit_tls);
5432         context = jit_tls->interp_context;
5433         g_assert (context);
5434
5435         context->has_resume_state = TRUE;
5436         context->handler_frame = interp_frame;
5437         /* This is on the stack, so it doesn't need a wbarrier */
5438         context->handler_frame->ex = ex;
5439         context->handler_ip = handler_ip;
5440 }
5441
5442 /*
5443  * mono_interp_run_finally:
5444  *
5445  *   Run the finally clause identified by CLAUSE_INDEX in the intepreter frame given by
5446  * frame->interp_frame.
5447  */
5448 void
5449 mono_interp_run_finally (StackFrameInfo *frame, int clause_index, gpointer handler_ip)
5450 {
5451        MonoInvocation *iframe = frame->interp_frame;
5452        ThreadContext *context = mono_native_tls_get_value (thread_context_id);
5453
5454        ves_exec_method_with_context (iframe, context, handler_ip, NULL, clause_index);
5455 }
5456
5457 typedef struct {
5458         MonoInvocation *current;
5459 } StackIter;
5460
5461 /*
5462  * mono_interp_frame_iter_init:
5463  *
5464  *   Initialize an iterator for iterating through interpreted frames.
5465  */
5466 void
5467 mono_interp_frame_iter_init (MonoInterpStackIter *iter, gpointer interp_exit_data)
5468 {
5469         StackIter *stack_iter = (StackIter*)iter;
5470
5471         stack_iter->current = (MonoInvocation*)interp_exit_data;
5472 }
5473
5474 gboolean
5475 mono_interp_frame_iter_next (MonoInterpStackIter *iter, StackFrameInfo *frame)
5476 {
5477         StackIter *stack_iter = (StackIter*)iter;
5478         MonoInvocation *iframe = stack_iter->current;
5479
5480         memset (frame, 0, sizeof (StackFrameInfo));
5481         /* pinvoke frames doesn't have runtime_method set */
5482         while (iframe && !(iframe->runtime_method && iframe->runtime_method->code))
5483                 iframe = iframe->parent;
5484         if (!iframe)
5485                 return FALSE;
5486
5487         frame->type = FRAME_TYPE_INTERP;
5488         // FIXME:
5489         frame->domain = mono_domain_get ();
5490         frame->interp_frame = iframe;
5491         frame->method = iframe->runtime_method->method;
5492         frame->actual_method = frame->method;
5493         /* This is the offset in the interpreter IR */
5494         frame->native_offset = (guint8*)iframe->ip - (guint8*)iframe->runtime_method->code;
5495         frame->ji = iframe->runtime_method->jinfo;
5496
5497         stack_iter->current = iframe->parent;
5498
5499         return TRUE;
5500 }
5501
5502 MonoJitInfo*
5503 mono_interp_find_jit_info (MonoDomain *domain, MonoMethod *method)
5504 {
5505         RuntimeMethod* rtm;
5506
5507         rtm = lookup_runtime_method (domain, method);
5508         if (rtm)
5509                 return rtm->jinfo;
5510         else
5511                 return NULL;
5512 }
5513
5514 void
5515 mono_interp_set_breakpoint (MonoJitInfo *jinfo, gpointer ip)
5516 {
5517         guint16 *code = (guint16*)ip;
5518         g_assert (*code == MINT_SDB_SEQ_POINT);
5519         *code = MINT_SDB_BREAKPOINT;
5520 }
5521
5522 void
5523 mono_interp_clear_breakpoint (MonoJitInfo *jinfo, gpointer ip)
5524 {
5525         guint16 *code = (guint16*)ip;
5526         g_assert (*code == MINT_SDB_BREAKPOINT);
5527         *code = MINT_SDB_SEQ_POINT;
5528 }
5529
5530 MonoJitInfo*
5531 mono_interp_frame_get_jit_info (MonoInterpFrameHandle frame)
5532 {
5533         MonoInvocation *iframe = (MonoInvocation*)frame;
5534
5535         g_assert (iframe->runtime_method);
5536         return iframe->runtime_method->jinfo;
5537 }
5538
5539 gpointer
5540 mono_interp_frame_get_ip (MonoInterpFrameHandle frame)
5541 {
5542         MonoInvocation *iframe = (MonoInvocation*)frame;
5543
5544         g_assert (iframe->runtime_method);
5545         return (gpointer)iframe->ip;
5546 }
5547
5548 gpointer
5549 mono_interp_frame_get_arg (MonoInterpFrameHandle frame, int pos)
5550 {
5551         MonoInvocation *iframe = (MonoInvocation*)frame;
5552
5553         g_assert (iframe->runtime_method);
5554
5555         int arg_offset = iframe->runtime_method->arg_offsets [pos + (iframe->runtime_method->hasthis ? 1 : 0)];
5556
5557         return iframe->args + arg_offset;
5558 }
5559
5560 gpointer
5561 mono_interp_frame_get_local (MonoInterpFrameHandle frame, int pos)
5562 {
5563         MonoInvocation *iframe = (MonoInvocation*)frame;
5564
5565         g_assert (iframe->runtime_method);
5566
5567         return iframe->locals + iframe->runtime_method->local_offsets [pos];
5568 }
5569
5570 gpointer
5571 mono_interp_frame_get_this (MonoInterpFrameHandle frame)
5572 {
5573         MonoInvocation *iframe = (MonoInvocation*)frame;
5574
5575         g_assert (iframe->runtime_method);
5576         g_assert (iframe->runtime_method->hasthis);
5577
5578         int arg_offset = iframe->runtime_method->arg_offsets [0];
5579
5580         return iframe->args + arg_offset;
5581 }
5582
5583 void
5584 mono_interp_start_single_stepping (void)
5585 {
5586         ss_enabled = TRUE;
5587 }
5588
5589 void
5590 mono_interp_stop_single_stepping (void)
5591 {
5592         ss_enabled = FALSE;
5593 }