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->domain = domain;
 288         rtm->param_count = sig->param_count;
 289         rtm->hasthis = sig->hasthis;
 290         rtm->rtype = mini_get_underlying_type (sig->ret);
 291         rtm->param_types = mono_domain_alloc0 (domain, sizeof (MonoType*) * sig->param_count);
 292         for (i = 0; i < sig->param_count; ++i)
 293                 rtm->param_types [i] = mini_get_underlying_type (sig->params [i]);
 294
 295         mono_domain_jit_code_hash_lock (domain);
 296         if (!mono_internal_hash_table_lookup (&info->interp_code_hash, method))
 297                 mono_internal_hash_table_insert (&info->interp_code_hash, method, rtm);
 298         mono_domain_jit_code_hash_unlock (domain);
 299
 300         return rtm;
 301 }
 302
 303 gpointer
 304 mono_interp_create_trampoline (MonoDomain *domain, MonoMethod *method, MonoError *error)
 305 {
 306         if (method->iflags & METHOD_IMPL_ATTRIBUTE_SYNCHRONIZED)
 307                 method = mono_marshal_get_synchronized_wrapper (method);
 308         return mono_interp_get_runtime_method (domain, method, error);
 309 }
 310
 311 /*
 312  * interp_push_lmf:
 313  *
 314  * Push an LMF frame on the LMF stack
 315  * to mark the transition to native code.
 316  * This is needed for the native code to
 317  * be able to do stack walks.
 318  */
 319 static void
 320 interp_push_lmf (MonoLMFExt *ext, MonoInvocation *frame)
 321 {
 322         memset (ext, 0, sizeof (MonoLMFExt));
 323         ext->interp_exit = TRUE;
 324         ext->interp_exit_data = frame;
 325
 326         mono_push_lmf (ext);
 327 }
 328
 329 static void
 330 interp_pop_lmf (MonoLMFExt *ext)
 331 {
 332         mono_pop_lmf (&ext->lmf);
 333 }
 334
 335 static inline RuntimeMethod*
 336 get_virtual_method (RuntimeMethod *runtime_method, MonoObject *obj)
 337 {
 338         MonoMethod *m = runtime_method->method;
 339         MonoDomain *domain = runtime_method->domain;
 340         RuntimeMethod *ret = NULL;
 341         MonoError error;
 342
 343 #ifndef DISABLE_REMOTING
 344         if (mono_object_is_transparent_proxy (obj)) {
 345                 ret = mono_interp_get_runtime_method (domain, mono_marshal_get_remoting_invoke (m), &error);
 346                 mono_error_assert_ok (&error);
 347                 return ret;
 348         }
 349 #endif
 350
 351         if ((m->flags & METHOD_ATTRIBUTE_FINAL) || !(m->flags & METHOD_ATTRIBUTE_VIRTUAL)) {
 352                 if (m->iflags & METHOD_IMPL_ATTRIBUTE_SYNCHRONIZED) {
 353                         ret = mono_interp_get_runtime_method (domain, mono_marshal_get_synchronized_wrapper (m), &error);
 354                         mono_error_cleanup (&error); /* FIXME: don't swallow the error */
 355                 } else {
 356                         ret = runtime_method;
 357                 }
 358                 return ret;
 359         }
 360
 361         mono_class_setup_vtable (obj->vtable->klass);
 362
 363         int slot = mono_method_get_vtable_slot (m);
 364         if (mono_class_is_interface (m->klass)) {
 365                 g_assert (obj->vtable->klass != m->klass);
 366                 /* TODO: interface offset lookup is slow, go through IMT instead */
 367                 gboolean non_exact_match;
 368                 slot += mono_class_interface_offset_with_variance (obj->vtable->klass, m->klass, &non_exact_match);
 369         }
 370
 371         MonoMethod *virtual_method = obj->vtable->klass->vtable [slot];
 372         if (m->is_inflated && mono_method_get_context (m)->method_inst) {
 373                 MonoGenericContext context = { NULL, NULL };
 374
 375                 if (mono_class_is_ginst (virtual_method->klass))
 376                         context.class_inst = mono_class_get_generic_class (virtual_method->klass)->context.class_inst;
 377                 else if (mono_class_is_gtd (virtual_method->klass))
 378                         context.class_inst = mono_class_get_generic_container (virtual_method->klass)->context.class_inst;
 379                 context.method_inst = mono_method_get_context (m)->method_inst;
 380
 381                 virtual_method = mono_class_inflate_generic_method_checked (virtual_method, &context, &error);
 382                 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
 383         }
 384
 385         if (virtual_method->iflags & METHOD_IMPL_ATTRIBUTE_SYNCHRONIZED) {
 386                 virtual_method = mono_marshal_get_synchronized_wrapper (virtual_method);
 387         }
 388
 389         RuntimeMethod *virtual_runtime_method = mono_interp_get_runtime_method (domain, virtual_method, &error);
 390         mono_error_cleanup (&error); /* FIXME: don't swallow the error */
 391         return virtual_runtime_method;
 392 }
 393
 394 static void inline
 395 stackval_from_data (MonoType *type, stackval *result, char *data, gboolean pinvoke)
 396 {
 397         if (type->byref) {
 398                 switch (type->type) {
 399                 case MONO_TYPE_OBJECT:
 400                 case MONO_TYPE_CLASS:
 401                 case MONO_TYPE_STRING:
 402                 case MONO_TYPE_ARRAY:
 403                 case MONO_TYPE_SZARRAY:
 404                         break;
 405                 default:
 406                         break;
 407                 }
 408                 result->data.p = *(gpointer*)data;
 409                 return;
 410         }
 411         switch (type->type) {
 412         case MONO_TYPE_VOID:
 413                 return;
 414         case MONO_TYPE_I1:
 415                 result->data.i = *(gint8*)data;
 416                 return;
 417         case MONO_TYPE_U1:
 418         case MONO_TYPE_BOOLEAN:
 419                 result->data.i = *(guint8*)data;
 420                 return;
 421         case MONO_TYPE_I2:
 422                 result->data.i = *(gint16*)data;
 423                 return;
 424         case MONO_TYPE_U2:
 425         case MONO_TYPE_CHAR:
 426                 result->data.i = *(guint16*)data;
 427                 return;
 428         case MONO_TYPE_I4:
 429                 result->data.i = *(gint32*)data;
 430                 return;
 431         case MONO_TYPE_U:
 432         case MONO_TYPE_I:
 433                 result->data.nati = *(mono_i*)data;
 434                 return;
 435         case MONO_TYPE_PTR:
 436                 result->data.p = *(gpointer*)data;
 437                 return;
 438         case MONO_TYPE_U4:
 439                 result->data.i = *(guint32*)data;
 440                 return;
 441         case MONO_TYPE_R4: {
 442                 float tmp;
 443                 /* memmove handles unaligned case */
 444                 memmove (&tmp, data, sizeof (float));
 445                 result->data.f = tmp;
 446                 return;
 447     }
 448         case MONO_TYPE_I8:
 449         case MONO_TYPE_U8:
 450                 memmove (&result->data.l, data, sizeof (gint64));
 451                 return;
 452         case MONO_TYPE_R8:
 453                 memmove (&result->data.f, data, sizeof (double));
 454                 return;
 455         case MONO_TYPE_STRING:
 456         case MONO_TYPE_SZARRAY:
 457         case MONO_TYPE_CLASS:
 458         case MONO_TYPE_OBJECT:
 459         case MONO_TYPE_ARRAY:
 460                 result->data.p = *(gpointer*)data;
 461                 return;
 462         case MONO_TYPE_VALUETYPE:
 463                 if (type->data.klass->enumtype) {
 464                         stackval_from_data (mono_class_enum_basetype (type->data.klass), result, data, pinvoke);
 465                         return;
 466                 } else
 467                         mono_value_copy (result->data.vt, data, type->data.klass);
 468                 return;
 469         case MONO_TYPE_GENERICINST: {
 470                 if (mono_type_generic_inst_is_valuetype (type)) {
 471                         mono_value_copy (result->data.vt, data, mono_class_from_mono_type (type));
 472                         return;
 473                 }
 474                 stackval_from_data (&type->data.generic_class->container_class->byval_arg, result, data, pinvoke);
 475                 return;
 476         }
 477         default:
 478                 g_warning ("got type 0x%02x", type->type);
 479                 g_assert_not_reached ();
 480         }
 481 }
 482
 483 static void inline
 484 stackval_to_data (MonoType *type, stackval *val, char *data, gboolean pinvoke)
 485 {
 486         if (type->byref) {
 487                 gpointer *p = (gpointer*)data;
 488                 *p = val->data.p;
 489                 return;
 490         }
 491         /* printf ("TODAT0 %p\n", data); */
 492         switch (type->type) {
 493         case MONO_TYPE_I1:
 494         case MONO_TYPE_U1: {
 495                 guint8 *p = (guint8*)data;
 496                 *p = val->data.i;
 497                 return;
 498         }
 499         case MONO_TYPE_BOOLEAN: {
 500                 guint8 *p = (guint8*)data;
 501                 *p = (val->data.i != 0);
 502                 return;
 503         }
 504         case MONO_TYPE_I2:
 505         case MONO_TYPE_U2:
 506         case MONO_TYPE_CHAR: {
 507                 guint16 *p = (guint16*)data;
 508                 *p = val->data.i;
 509                 return;
 510         }
 511         case MONO_TYPE_I: {
 512                 mono_i *p = (mono_i*)data;
 513                 /* In theory the value used by stloc should match the local var type
 514                    but in practice it sometimes doesn't (a int32 gets dup'd and stloc'd into
 515                    a native int - both by csc and mcs). Not sure what to do about sign extension
 516                    as it is outside the spec... doing the obvious */
 517                 *p = (mono_i)val->data.nati;
 518                 return;
 519         }
 520         case MONO_TYPE_U: {
 521                 mono_u *p = (mono_u*)data;
 522                 /* see above. */
 523                 *p = (mono_u)val->data.nati;
 524                 return;
 525         }
 526         case MONO_TYPE_I4:
 527         case MONO_TYPE_U4: {
 528                 gint32 *p = (gint32*)data;
 529                 *p = val->data.i;
 530                 return;
 531         }
 532         case MONO_TYPE_I8:
 533         case MONO_TYPE_U8: {
 534                 gint64 *p = (gint64*)data;
 535                 *p = val->data.l;
 536                 return;
 537         }
 538         case MONO_TYPE_R4: {
 539                 float *p = (float*)data;
 540                 *p = val->data.f;
 541                 return;
 542         }
 543         case MONO_TYPE_R8: {
 544                 double *p = (double*)data;
 545                 *p = val->data.f;
 546                 return;
 547         }
 548         case MONO_TYPE_STRING:
 549         case MONO_TYPE_SZARRAY:
 550         case MONO_TYPE_CLASS:
 551         case MONO_TYPE_OBJECT:
 552         case MONO_TYPE_ARRAY: {
 553                 gpointer *p = (gpointer *) data;
 554                 mono_gc_wbarrier_generic_store (p, val->data.p);
 555                 return;
 556         }
 557         case MONO_TYPE_PTR: {
 558                 gpointer *p = (gpointer *) data;
 559                 *p = val->data.p;
 560                 return;
 561         }
 562         case MONO_TYPE_VALUETYPE:
 563                 if (type->data.klass->enumtype) {
 564                         stackval_to_data (mono_class_enum_basetype (type->data.klass), val, data, pinvoke);
 565                         return;
 566                 } else
 567                         mono_value_copy (data, val->data.vt, type->data.klass);
 568                 return;
 569         case MONO_TYPE_GENERICINST: {
 570                 MonoClass *container_class = type->data.generic_class->container_class;
 571
 572                 if (container_class->valuetype && !container_class->enumtype) {
 573                         mono_value_copy (data, val->data.vt, mono_class_from_mono_type (type));
 574                         return;
 575                 }
 576                 stackval_to_data (&type->data.generic_class->container_class->byval_arg, val, data, pinvoke);
 577                 return;
 578         }
 579         default:
 580                 g_warning ("got type %x", type->type);
 581                 g_assert_not_reached ();
 582         }
 583 }
 584
 585 static void
 586 fill_in_trace (MonoException *exception, MonoInvocation *frame)
 587 {
 588         MonoError error;
 589         char *stack_trace = dump_frame (frame);
 590         MonoDomain *domain = frame->runtime_method->domain;
 591         (exception)->stack_trace = mono_string_new_checked (domain, stack_trace, &error);
 592         mono_error_cleanup (&error); /* FIXME: don't swallow the error */
 593         (exception)->trace_ips = get_trace_ips (domain, frame);
 594         g_free (stack_trace);
 595 }
 596
 597 #define FILL_IN_TRACE(exception, frame) fill_in_trace(exception, frame)
 598
 599 #define THROW_EX(exception,ex_ip)       \
 600         do {\
 601                 frame->ip = (ex_ip);            \
 602                 frame->ex = (MonoException*)(exception);        \
 603                 FILL_IN_TRACE(frame->ex, frame); \
 604                 goto handle_exception;  \
 605         } while (0)
 606
 607 static MonoObject*
 608 ves_array_create (MonoInvocation *frame, MonoDomain *domain, MonoClass *klass, MonoMethodSignature *sig, stackval *values)
 609 {
 610         uintptr_t *lengths;
 611         intptr_t *lower_bounds;
 612         MonoObject *obj;
 613         MonoError error;
 614         int i;
 615
 616         lengths = alloca (sizeof (uintptr_t) * klass->rank * 2);
 617         for (i = 0; i < sig->param_count; ++i) {
 618                 lengths [i] = values->data.i;
 619                 values ++;
 620         }
 621         if (klass->rank == sig->param_count) {
 622                 /* Only lengths provided. */
 623                 lower_bounds = NULL;
 624         } else {
 625                 /* lower bounds are first. */
 626                 lower_bounds = (intptr_t *) lengths;
 627                 lengths += klass->rank;
 628         }
 629         obj = (MonoObject*) mono_array_new_full_checked (domain, klass, lengths, lower_bounds, &error);
 630         if (!mono_error_ok (&error)) {
 631                 frame->ex = mono_error_convert_to_exception (&error);
 632                 FILL_IN_TRACE (frame->ex, frame);
 633         }
 634         mono_error_cleanup (&error); /* FIXME: don't swallow the error */
 635         return obj;
 636 }
 637
 638 static gint32
 639 ves_array_calculate_index (MonoArray *ao, stackval *sp, MonoInvocation *frame, gboolean safe)
 640 {
 641         g_assert (!frame->ex);
 642         MonoClass *ac = ((MonoObject *) ao)->vtable->klass;
 643
 644         guint32 pos = 0;
 645         if (ao->bounds) {
 646                 for (gint32 i = 0; i < ac->rank; i++) {
 647                         guint32 idx = sp [i].data.i;
 648                         guint32 lower = ao->bounds [i].lower_bound;
 649                         guint32 len = ao->bounds [i].length;
 650                         if (safe && (idx < lower || (idx - lower) >= len)) {
 651                                 frame->ex = mono_get_exception_index_out_of_range ();
 652                                 FILL_IN_TRACE (frame->ex, frame);
 653                                 return -1;
 654                         }
 655                         pos = (pos * len) + idx - lower;
 656                 }
 657         } else {
 658                 pos = sp [0].data.i;
 659                 if (safe && pos >= ao->max_length) {
 660                         frame->ex = mono_get_exception_index_out_of_range ();
 661                         FILL_IN_TRACE (frame->ex, frame);
 662                         return -1;
 663                 }
 664         }
 665         return pos;
 666 }
 667
 668 static void
 669 ves_array_set (MonoInvocation *frame)
 670 {
 671         stackval *sp = frame->stack_args + 1;
 672
 673         MonoObject *o = frame->stack_args->data.p;
 674         MonoArray *ao = (MonoArray *) o;
 675         MonoClass *ac = o->vtable->klass;
 676
 677         g_assert (ac->rank >= 1);
 678
 679         gint32 pos = ves_array_calculate_index (ao, sp, frame, TRUE);
 680         if (frame->ex)
 681                 return;
 682
 683         if (sp [ac->rank].data.p && !mono_object_class (o)->element_class->valuetype) {
 684                 MonoError error;
 685                 MonoObject *isinst = mono_object_isinst_checked (sp [ac->rank].data.p, mono_object_class (o)->element_class, &error);
 686                 mono_error_cleanup (&error);
 687                 if (!isinst) {
 688                         frame->ex = mono_get_exception_array_type_mismatch ();
 689                         FILL_IN_TRACE (frame->ex, frame);
 690                         return;
 691                 }
 692         }
 693
 694         gint32 esize = mono_array_element_size (ac);
 695         gpointer ea = mono_array_addr_with_size (ao, esize, pos);
 696
 697         MonoType *mt = mono_method_signature (frame->runtime_method->method)->params [ac->rank];
 698         stackval_to_data (mt, &sp [ac->rank], ea, FALSE);
 699 }
 700
 701 static void
 702 ves_array_get (MonoInvocation *frame, gboolean safe)
 703 {
 704         stackval *sp = frame->stack_args + 1;
 705
 706         MonoObject *o = frame->stack_args->data.p;
 707         MonoArray *ao = (MonoArray *) o;
 708         MonoClass *ac = o->vtable->klass;
 709
 710         g_assert (ac->rank >= 1);
 711
 712         gint32 pos = ves_array_calculate_index (ao, sp, frame, safe);
 713         if (frame->ex)
 714                 return;
 715
 716         gint32 esize = mono_array_element_size (ac);
 717         gpointer ea = mono_array_addr_with_size (ao, esize, pos);
 718
 719         MonoType *mt = mono_method_signature (frame->runtime_method->method)->ret;
 720         stackval_from_data (mt, frame->retval, ea, FALSE);
 721 }
 722
 723 static gpointer
 724 ves_array_element_address (MonoInvocation *frame, MonoClass *required_type, MonoArray *ao, stackval *sp, gboolean needs_typecheck)
 725 {
 726         MonoClass *ac = ((MonoObject *) ao)->vtable->klass;
 727
 728         g_assert (ac->rank >= 1);
 729
 730         gint32 pos = ves_array_calculate_index (ao, sp, frame, TRUE);
 731         if (frame->ex)
 732                 return NULL;
 733
 734         if (needs_typecheck && !mono_class_is_assignable_from (mono_object_class ((MonoObject *) ao)->element_class, required_type->element_class)) {
 735                 frame->ex = mono_get_exception_array_type_mismatch ();
 736                 FILL_IN_TRACE (frame->ex, frame);
 737                 return NULL;
 738         }
 739         gint32 esize = mono_array_element_size (ac);
 740         return mono_array_addr_with_size (ao, esize, pos);
 741 }
 742
 743 void
 744 interp_walk_stack_with_ctx (MonoInternalStackWalk func, MonoContext *ctx, MonoUnwindOptions options, void *user_data)
 745 {
 746         MonoError error;
 747         ThreadContext *context = mono_native_tls_get_value (thread_context_id);
 748
 749         if (!context)
 750                 return;
 751
 752         MonoInvocation *frame = context->current_frame;
 753
 754         while (frame) {
 755                 MonoStackFrameInfo fi;
 756                 memset (&fi, 0, sizeof (MonoStackFrameInfo));
 757
 758                 /* TODO: hack to make some asserts happy. */
 759                 fi.ji = (MonoJitInfo *) frame->runtime_method;
 760
 761                 if (frame->runtime_method)
 762                         fi.method = fi.actual_method = frame->runtime_method->method;
 763
 764                 if (!fi.method || (fi.method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) || (fi.method->iflags & (METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL | METHOD_IMPL_ATTRIBUTE_RUNTIME))) {
 765                         fi.il_offset = -1;
 766                         fi.type = FRAME_TYPE_MANAGED_TO_NATIVE;
 767                 } else {
 768                         MonoMethodHeader *hd = mono_method_get_header_checked (fi.method, &error);
 769                         mono_error_cleanup (&error); /* FIXME: don't swallow the error */
 770                         fi.type = FRAME_TYPE_MANAGED;
 771                         fi.il_offset = frame->ip - (const unsigned short *) hd->code;
 772                         if (!fi.method->wrapper_type)
 773                                 fi.managed = TRUE;
 774                 }
 775
 776                 if (func (&fi, ctx, user_data))
 777                         return;
 778                 frame = frame->parent;
 779         }
 780 }
 781
 782 static MonoPIFunc mono_interp_enter_icall_trampoline = NULL;
 783
 784 static InterpMethodArguments* build_args_from_sig (MonoMethodSignature *sig, MonoInvocation *frame)
 785 {
 786         InterpMethodArguments *margs = g_malloc0 (sizeof (InterpMethodArguments));
 787
 788 #ifdef TARGET_ARM
 789         g_assert (mono_arm_eabi_supported ());
 790         int i8_align = mono_arm_i8_align ();
 791 #endif
 792
 793         if (sig->hasthis)
 794                 margs->ilen++;
 795
 796         for (int i = 0; i < sig->param_count; i++) {
 797                 guint32 ptype = sig->params [i]->byref ? MONO_TYPE_PTR : sig->params [i]->type;
 798                 switch (ptype) {
 799                 case MONO_TYPE_BOOLEAN:
 800                 case MONO_TYPE_CHAR:
 801                 case MONO_TYPE_I1:
 802                 case MONO_TYPE_U1:
 803                 case MONO_TYPE_I2:
 804                 case MONO_TYPE_U2:
 805                 case MONO_TYPE_I4:
 806                 case MONO_TYPE_U4:
 807                 case MONO_TYPE_I:
 808                 case MONO_TYPE_U:
 809                 case MONO_TYPE_PTR:
 810                 case MONO_TYPE_SZARRAY:
 811                 case MONO_TYPE_CLASS:
 812                 case MONO_TYPE_OBJECT:
 813                 case MONO_TYPE_STRING:
 814                 case MONO_TYPE_VALUETYPE:
 815                 case MONO_TYPE_GENERICINST:
 816 #if SIZEOF_VOID_P == 8
 817                 case MONO_TYPE_I8:
 818 #endif
 819                         margs->ilen++;
 820                         break;
 821 #if SIZEOF_VOID_P == 4
 822                 case MONO_TYPE_I8:
 823 #ifdef TARGET_ARM
 824                         /* pairs begin at even registers */
 825                         if (i8_align == 8 && margs->ilen & 1)
 826                                 margs->ilen++;
 827 #endif
 828                         margs->ilen += 2;
 829                         break;
 830 #endif
 831                 case MONO_TYPE_R4:
 832 #if SIZEOF_VOID_P == 8
 833                 case MONO_TYPE_R8:
 834 #endif
 835                         margs->flen++;
 836                         break;
 837 #if SIZEOF_VOID_P == 4
 838                 case MONO_TYPE_R8:
 839                         margs->flen += 2;
 840                         break;
 841 #endif
 842                 default:
 843                         g_error ("build_args_from_sig: not implemented yet (1): 0x%x\n", ptype);
 844                 }
 845         }
 846
 847         if (margs->ilen > 0)
 848                 margs->iargs = g_malloc0 (sizeof (gpointer) * margs->ilen);
 849
 850         if (margs->flen > 0)
 851                 margs->fargs = g_malloc0 (sizeof (double) * margs->flen);
 852
 853         if (margs->ilen > INTERP_ICALL_TRAMP_IARGS)
 854                 g_error ("build_args_from_sig: TODO, allocate gregs: %d\n", margs->ilen);
 855
 856         if (margs->flen > INTERP_ICALL_TRAMP_FARGS)
 857                 g_error ("build_args_from_sig: TODO, allocate fregs: %d\n", margs->flen);
 858
 859
 860         size_t int_i = 0;
 861         size_t int_f = 0;
 862
 863         if (sig->hasthis) {
 864                 margs->iargs [0] = frame->stack_args->data.p;
 865                 int_i++;
 866         }
 867
 868         for (int i = 0; i < sig->param_count; i++) {
 869                 guint32 ptype = sig->params [i]->byref ? MONO_TYPE_PTR : sig->params [i]->type;
 870                 switch (ptype) {
 871                 case MONO_TYPE_BOOLEAN:
 872                 case MONO_TYPE_CHAR:
 873                 case MONO_TYPE_I1:
 874                 case MONO_TYPE_U1:
 875                 case MONO_TYPE_I2:
 876                 case MONO_TYPE_U2:
 877                 case MONO_TYPE_I4:
 878                 case MONO_TYPE_U4:
 879                 case MONO_TYPE_I:
 880                 case MONO_TYPE_U:
 881                 case MONO_TYPE_PTR:
 882                 case MONO_TYPE_SZARRAY:
 883                 case MONO_TYPE_CLASS:
 884                 case MONO_TYPE_OBJECT:
 885                 case MONO_TYPE_STRING:
 886                 case MONO_TYPE_VALUETYPE:
 887                 case MONO_TYPE_GENERICINST:
 888 #if SIZEOF_VOID_P == 8
 889                 case MONO_TYPE_I8:
 890 #endif
 891                         margs->iargs [int_i] = frame->stack_args [i].data.p;
 892 #if DEBUG_INTERP
 893                         g_print ("build_args_from_sig: margs->iargs [%d]: %p (frame @ %d)\n", int_i, margs->iargs [int_i], i);
 894 #endif
 895                         int_i++;
 896                         break;
 897 #if SIZEOF_VOID_P == 4
 898                 case MONO_TYPE_I8: {
 899                         stackval *sarg = &frame->stack_args [i];
 900 #ifdef TARGET_ARM
 901                         /* pairs begin at even registers */
 902                         if (i8_align == 8 && int_i & 1)
 903                                 int_i++;
 904 #endif
 905                         margs->iargs [int_i] = (gpointer) sarg->data.pair.lo;
 906                         int_i++;
 907                         margs->iargs [int_i] = (gpointer) sarg->data.pair.hi;
 908 #if DEBUG_INTERP
 909                         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);
 910 #endif
 911                         int_i++;
 912                         break;
 913                 }
 914 #endif
 915                 case MONO_TYPE_R4:
 916                 case MONO_TYPE_R8:
 917                         if (ptype == MONO_TYPE_R4)
 918                                 * (float *) &(margs->fargs [int_f]) = (float) frame->stack_args [i].data.f;
 919                         else
 920                                 margs->fargs [int_f] = frame->stack_args [i].data.f;
 921 #if DEBUG_INTERP
 922                         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);
 923 #endif
 924 #if SIZEOF_VOID_P == 4
 925                         int_f += 2;
 926 #else
 927                         int_f++;
 928 #endif
 929                         break;
 930                 default:
 931                         g_error ("build_args_from_sig: not implemented yet (2): 0x%x\n", ptype);
 932                 }
 933         }
 934
 935         switch (sig->ret->type) {
 936                 case MONO_TYPE_BOOLEAN:
 937                 case MONO_TYPE_CHAR:
 938                 case MONO_TYPE_I1:
 939                 case MONO_TYPE_U1:
 940                 case MONO_TYPE_I2:
 941                 case MONO_TYPE_U2:
 942                 case MONO_TYPE_I4:
 943                 case MONO_TYPE_U4:
 944                 case MONO_TYPE_I:
 945                 case MONO_TYPE_U:
 946                 case MONO_TYPE_PTR:
 947                 case MONO_TYPE_SZARRAY:
 948                 case MONO_TYPE_CLASS:
 949                 case MONO_TYPE_OBJECT:
 950                 case MONO_TYPE_STRING:
 951                 case MONO_TYPE_I8:
 952                 case MONO_TYPE_VALUETYPE:
 953                 case MONO_TYPE_GENERICINST:
 954                         margs->retval = &(frame->retval->data.p);
 955                         margs->is_float_ret = 0;
 956                         break;
 957                 case MONO_TYPE_R4:
 958                 case MONO_TYPE_R8:
 959                         margs->retval = &(frame->retval->data.p);
 960                         margs->is_float_ret = 1;
 961                         break;
 962                 case MONO_TYPE_VOID:
 963                         margs->retval = NULL;
 964                         break;
 965                 default:
 966                         g_error ("build_args_from_sig: ret type not implemented yet: 0x%x\n", sig->ret->type);
 967         }
 968
 969         return margs;
 970 }
 971
 972 static void
 973 ves_pinvoke_method (MonoInvocation *frame, MonoMethodSignature *sig, MonoFuncV addr, gboolean string_ctor, ThreadContext *context)
 974 {
 975         jmp_buf env;
 976         MonoInvocation *old_frame = context->current_frame;
 977         MonoInvocation *old_env_frame = context->env_frame;
 978         jmp_buf *old_env = context->current_env;
 979         MonoLMFExt ext;
 980
 981         if (setjmp (env)) {
 982                 context->current_frame = old_frame;
 983                 context->env_frame = old_env_frame;
 984                 context->current_env = old_env;
 985                 context->managed_code = 1;
 986                 return;
 987         }
 988
 989         frame->ex = NULL;
 990         context->env_frame = frame;
 991         context->current_env = &env;
 992
 993         g_assert (!frame->runtime_method);
 994         if (!mono_interp_enter_icall_trampoline) {
 995                 MonoTrampInfo *info;
 996                 mono_interp_enter_icall_trampoline = mono_arch_get_enter_icall_trampoline (&info);
 997                 // TODO:
 998                 // mono_tramp_info_register (info, NULL);
 999         }
1000
1001         InterpMethodArguments *margs = build_args_from_sig (sig, frame);
1002 #if DEBUG_INTERP
1003         g_print ("ICALL: mono_interp_enter_icall_trampoline = %p, addr = %p\n", mono_interp_enter_icall_trampoline, addr);
1004         g_print ("margs(out): ilen=%d, flen=%d\n", margs->ilen, margs->flen);
1005 #endif
1006
1007         context->current_frame = frame;
1008         context->managed_code = 0;
1009
1010         interp_push_lmf (&ext, frame);
1011
1012         mono_interp_enter_icall_trampoline (addr, margs);
1013
1014         interp_pop_lmf (&ext);
1015
1016         context->managed_code = 1;
1017
1018         if (*mono_thread_interruption_request_flag ()) {
1019                 MonoException *exc = mono_thread_interruption_checkpoint ();
1020                 if (exc) {
1021                         frame->ex = exc;
1022                         context->search_for_handler = 1;
1023                 }
1024         }
1025
1026         if (!frame->ex && !MONO_TYPE_ISSTRUCT (sig->ret))
1027                 stackval_from_data (sig->ret, frame->retval, (char*)&frame->retval->data.p, sig->pinvoke);
1028
1029         context->current_frame = old_frame;
1030         context->env_frame = old_env_frame;
1031         context->current_env = old_env;
1032
1033         g_free (margs->iargs);
1034         g_free (margs->fargs);
1035         g_free (margs);
1036 }
1037
1038 void
1039 mono_interp_init_delegate (MonoDelegate *del)
1040 {
1041         if (del->method)
1042                 return;
1043         /* shouldn't need a write barrier because we don't write a MonoObject into the field */
1044         del->method = ((RuntimeMethod *) del->method_ptr)->method;
1045 }
1046
1047 /*
1048  * From the spec:
1049  * runtime specifies that the implementation of the method is automatically
1050  * provided by the runtime and is primarily used for the methods of delegates.
1051  */
1052 static void
1053 ves_runtime_method (MonoInvocation *frame, ThreadContext *context)
1054 {
1055         MonoMethod *method = frame->runtime_method->method;
1056         const char *name = method->name;
1057         MonoObject *obj = (MonoObject*) frame->stack_args->data.p;
1058         MonoObject *isinst_obj;
1059         MonoError error;
1060
1061         mono_class_init (method->klass);
1062
1063         if (method->klass == mono_defaults.array_class) {
1064                 if (!strcmp (method->name, "UnsafeMov")) {
1065                         /* TODO: layout checks */
1066                         MonoType *mt = mono_method_signature (method)->ret;
1067                         stackval_from_data (mt, frame->retval, (char *) frame->stack_args, FALSE);
1068                         return;
1069                 }
1070                 if (!strcmp (method->name, "UnsafeLoad")) {
1071                         ves_array_get (frame, FALSE);
1072                         return;
1073                 }
1074         }
1075
1076         isinst_obj = mono_object_isinst_checked (obj, mono_defaults.array_class, &error);
1077         mono_error_cleanup (&error); /* FIXME: don't swallow the error */
1078         if (obj && isinst_obj) {
1079                 if (*name == 'S' && (strcmp (name, "Set") == 0)) {
1080                         ves_array_set (frame);
1081                         return;
1082                 }
1083                 if (*name == 'G' && (strcmp (name, "Get") == 0)) {
1084                         ves_array_get (frame, TRUE);
1085                         return;
1086                 }
1087         }
1088
1089         g_error ("Don't know how to exec runtime method %s.%s::%s",
1090                         method->klass->name_space, method->klass->name,
1091                         method->name);
1092 }
1093
1094 #if DEBUG_INTERP
1095 static char*
1096 dump_stack (stackval *stack, stackval *sp)
1097 {
1098         stackval *s = stack;
1099         GString *str = g_string_new ("");
1100
1101         if (sp == stack)
1102                 return g_string_free (str, FALSE);
1103
1104         while (s < sp) {
1105                 g_string_append_printf (str, "[%p (%lld)] ", s->data.l, s->data.l);
1106                 ++s;
1107         }
1108         return g_string_free (str, FALSE);
1109 }
1110 #endif
1111
1112 static void
1113 dump_stackval (GString *str, stackval *s, MonoType *type)
1114 {
1115         switch (type->type) {
1116         case MONO_TYPE_I1:
1117         case MONO_TYPE_U1:
1118         case MONO_TYPE_I2:
1119         case MONO_TYPE_U2:
1120         case MONO_TYPE_I4:
1121         case MONO_TYPE_U4:
1122         case MONO_TYPE_CHAR:
1123         case MONO_TYPE_BOOLEAN:
1124                 g_string_append_printf (str, "[%d] ", s->data.i);
1125                 break;
1126         case MONO_TYPE_STRING:
1127         case MONO_TYPE_SZARRAY:
1128         case MONO_TYPE_CLASS:
1129         case MONO_TYPE_OBJECT:
1130         case MONO_TYPE_ARRAY:
1131         case MONO_TYPE_PTR:
1132         case MONO_TYPE_I:
1133         case MONO_TYPE_U:
1134                 g_string_append_printf (str, "[%p] ", s->data.p);
1135                 break;
1136         case MONO_TYPE_VALUETYPE:
1137                 if (type->data.klass->enumtype)
1138                         g_string_append_printf (str, "[%d] ", s->data.i);
1139                 else
1140                         g_string_append_printf (str, "[vt:%p] ", s->data.p);
1141                 break;
1142         case MONO_TYPE_R4:
1143         case MONO_TYPE_R8:
1144                 g_string_append_printf (str, "[%g] ", s->data.f);
1145                 break;
1146         case MONO_TYPE_I8:
1147         case MONO_TYPE_U8:
1148         default: {
1149                 GString *res = g_string_new ("");
1150                 mono_type_get_desc (res, type, TRUE);
1151                 g_string_append_printf (str, "[{%s} %lld/0x%0llx] ", res->str, s->data.l, s->data.l);
1152                 g_string_free (res, TRUE);
1153                 break;
1154         }
1155         }
1156 }
1157
1158 #if DEBUG_INTERP
1159 static char*
1160 dump_retval (MonoInvocation *inv)
1161 {
1162         GString *str = g_string_new ("");
1163         MonoType *ret = mono_method_signature (inv->runtime_method->method)->ret;
1164
1165         if (ret->type != MONO_TYPE_VOID)
1166                 dump_stackval (str, inv->retval, ret);
1167
1168         return g_string_free (str, FALSE);
1169 }
1170 #endif
1171
1172 static char*
1173 dump_args (MonoInvocation *inv)
1174 {
1175         GString *str = g_string_new ("");
1176         int i;
1177         MonoMethodSignature *signature = mono_method_signature (inv->runtime_method->method);
1178
1179         if (signature->param_count == 0 && !signature->hasthis)
1180                 return g_string_free (str, FALSE);
1181
1182         if (signature->hasthis) {
1183                 MonoMethod *method = inv->runtime_method->method;
1184                 dump_stackval (str, inv->stack_args, &method->klass->byval_arg);
1185         }
1186
1187         for (i = 0; i < signature->param_count; ++i)
1188                 dump_stackval (str, inv->stack_args + (!!signature->hasthis) + i, signature->params [i]);
1189
1190         return g_string_free (str, FALSE);
1191 }
1192
1193 static char*
1194 dump_frame (MonoInvocation *inv)
1195 {
1196         GString *str = g_string_new ("");
1197         int i;
1198         char *args;
1199         MonoError error;
1200
1201         for (i = 0; inv; inv = inv->parent) {
1202                 if (inv->runtime_method != NULL) {
1203                         MonoMethod *method = inv->runtime_method->method;
1204                         MonoClass *k;
1205
1206                         int codep = 0;
1207                         const char * opname = "";
1208                         char *name;
1209                         gchar *source = NULL;
1210
1211                         k = method->klass;
1212
1213                         if ((method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) == 0 &&
1214                                 (method->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME) == 0) {
1215                                 MonoMethodHeader *hd = mono_method_get_header_checked (method, &error);
1216                                 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
1217
1218                                 if (hd != NULL) {
1219                                         if (inv->ip) {
1220                                                 opname = mono_interp_opname [*inv->ip];
1221                                                 codep = inv->ip - inv->runtime_method->code;
1222                                                 source = g_strdup_printf ("%s:%d // (TODO: proper stacktrace)", method->name, codep);
1223                                         } else
1224                                                 opname = "";
1225
1226 #if 0
1227                                         MonoDebugSourceLocation *minfo = mono_debug_lookup_method (method);
1228                                         source = mono_debug_method_lookup_location (minfo, codep);
1229 #endif
1230                                 }
1231                         }
1232                         args = dump_args (inv);
1233                         name = mono_method_full_name (method, TRUE);
1234                         if (source)
1235                                 g_string_append_printf (str, "#%d: 0x%05x %-10s in %s (%s) at %s\n", i, codep, opname, name, args, source);
1236                         else
1237                                 g_string_append_printf (str, "#%d: 0x%05x %-10s in %s (%s)\n", i, codep, opname, name, args);
1238                         g_free (name);
1239                         g_free (args);
1240                         g_free (source);
1241                         ++i;
1242                 }
1243         }
1244         return g_string_free (str, FALSE);
1245 }
1246
1247 static MonoArray *
1248 get_trace_ips (MonoDomain *domain, MonoInvocation *top)
1249 {
1250         int i;
1251         MonoArray *res;
1252         MonoInvocation *inv;
1253         MonoError error;
1254
1255         for (i = 0, inv = top; inv; inv = inv->parent)
1256                 if (inv->runtime_method != NULL)
1257                         ++i;
1258
1259         res = mono_array_new_checked (domain, mono_defaults.int_class, 2 * i, &error);
1260         mono_error_cleanup (&error); /* FIXME: don't swallow the error */
1261
1262         for (i = 0, inv = top; inv; inv = inv->parent)
1263                 if (inv->runtime_method != NULL) {
1264                         mono_array_set (res, gpointer, i, inv->runtime_method);
1265                         ++i;
1266                         mono_array_set (res, gpointer, i, (gpointer)inv->ip);
1267                         ++i;
1268                 }
1269
1270         return res;
1271 }
1272
1273
1274 #define MYGUINT64_MAX 18446744073709551615ULL
1275 #define MYGINT64_MAX 9223372036854775807LL
1276 #define MYGINT64_MIN (-MYGINT64_MAX -1LL)
1277
1278 #define MYGUINT32_MAX 4294967295U
1279 #define MYGINT32_MAX 2147483647
1280 #define MYGINT32_MIN (-MYGINT32_MAX -1)
1281
1282 #define CHECK_ADD_OVERFLOW(a,b) \
1283         (gint32)(b) >= 0 ? (gint32)(MYGINT32_MAX) - (gint32)(b) < (gint32)(a) ? -1 : 0  \
1284         : (gint32)(MYGINT32_MIN) - (gint32)(b) > (gint32)(a) ? +1 : 0
1285
1286 #define CHECK_SUB_OVERFLOW(a,b) \
1287         (gint32)(b) < 0 ? (gint32)(MYGINT32_MAX) + (gint32)(b) < (gint32)(a) ? -1 : 0   \
1288         : (gint32)(MYGINT32_MIN) + (gint32)(b) > (gint32)(a) ? +1 : 0
1289
1290 #define CHECK_ADD_OVERFLOW_UN(a,b) \
1291         (guint32)(MYGUINT32_MAX) - (guint32)(b) < (guint32)(a) ? -1 : 0
1292
1293 #define CHECK_SUB_OVERFLOW_UN(a,b) \
1294         (guint32)(a) < (guint32)(b) ? -1 : 0
1295
1296 #define CHECK_ADD_OVERFLOW64(a,b) \
1297         (gint64)(b) >= 0 ? (gint64)(MYGINT64_MAX) - (gint64)(b) < (gint64)(a) ? -1 : 0  \
1298         : (gint64)(MYGINT64_MIN) - (gint64)(b) > (gint64)(a) ? +1 : 0
1299
1300 #define CHECK_SUB_OVERFLOW64(a,b) \
1301         (gint64)(b) < 0 ? (gint64)(MYGINT64_MAX) + (gint64)(b) < (gint64)(a) ? -1 : 0   \
1302         : (gint64)(MYGINT64_MIN) + (gint64)(b) > (gint64)(a) ? +1 : 0
1303
1304 #define CHECK_ADD_OVERFLOW64_UN(a,b) \
1305         (guint64)(MYGUINT64_MAX) - (guint64)(b) < (guint64)(a) ? -1 : 0
1306
1307 #define CHECK_SUB_OVERFLOW64_UN(a,b) \
1308         (guint64)(a) < (guint64)(b) ? -1 : 0
1309
1310 #if SIZEOF_VOID_P == 4
1311 #define CHECK_ADD_OVERFLOW_NAT(a,b) CHECK_ADD_OVERFLOW(a,b)
1312 #define CHECK_ADD_OVERFLOW_NAT_UN(a,b) CHECK_ADD_OVERFLOW_UN(a,b)
1313 #else
1314 #define CHECK_ADD_OVERFLOW_NAT(a,b) CHECK_ADD_OVERFLOW64(a,b)
1315 #define CHECK_ADD_OVERFLOW_NAT_UN(a,b) CHECK_ADD_OVERFLOW64_UN(a,b)
1316 #endif
1317
1318 /* Resolves to TRUE if the operands would overflow */
1319 #define CHECK_MUL_OVERFLOW(a,b) \
1320         ((gint32)(a) == 0) || ((gint32)(b) == 0) ? 0 : \
1321         (((gint32)(a) > 0) && ((gint32)(b) == -1)) ? FALSE : \
1322         (((gint32)(a) < 0) && ((gint32)(b) == -1)) ? (a == - MYGINT32_MAX) : \
1323         (((gint32)(a) > 0) && ((gint32)(b) > 0)) ? (gint32)(a) > ((MYGINT32_MAX) / (gint32)(b)) : \
1324         (((gint32)(a) > 0) && ((gint32)(b) < 0)) ? (gint32)(a) > ((MYGINT32_MIN) / (gint32)(b)) : \
1325         (((gint32)(a) < 0) && ((gint32)(b) > 0)) ? (gint32)(a) < ((MYGINT32_MIN) / (gint32)(b)) : \
1326         (gint32)(a) < ((MYGINT32_MAX) / (gint32)(b))
1327
1328 #define CHECK_MUL_OVERFLOW_UN(a,b) \
1329         ((guint32)(a) == 0) || ((guint32)(b) == 0) ? 0 : \
1330         (guint32)(b) > ((MYGUINT32_MAX) / (guint32)(a))
1331
1332 #define CHECK_MUL_OVERFLOW64(a,b) \
1333         ((gint64)(a) == 0) || ((gint64)(b) == 0) ? 0 : \
1334         (((gint64)(a) > 0) && ((gint64)(b) == -1)) ? FALSE : \
1335         (((gint64)(a) < 0) && ((gint64)(b) == -1)) ? (a == - MYGINT64_MAX) : \
1336         (((gint64)(a) > 0) && ((gint64)(b) > 0)) ? (gint64)(a) > ((MYGINT64_MAX) / (gint64)(b)) : \
1337         (((gint64)(a) > 0) && ((gint64)(b) < 0)) ? (gint64)(a) > ((MYGINT64_MIN) / (gint64)(b)) : \
1338         (((gint64)(a) < 0) && ((gint64)(b) > 0)) ? (gint64)(a) < ((MYGINT64_MIN) / (gint64)(b)) : \
1339         (gint64)(a) < ((MYGINT64_MAX) / (gint64)(b))
1340
1341 #define CHECK_MUL_OVERFLOW64_UN(a,b) \
1342         ((guint64)(a) == 0) || ((guint64)(b) == 0) ? 0 : \
1343         (guint64)(b) > ((MYGUINT64_MAX) / (guint64)(a))
1344
1345 #if SIZEOF_VOID_P == 4
1346 #define CHECK_MUL_OVERFLOW_NAT(a,b) CHECK_MUL_OVERFLOW(a,b)
1347 #define CHECK_MUL_OVERFLOW_NAT_UN(a,b) CHECK_MUL_OVERFLOW_UN(a,b)
1348 #else
1349 #define CHECK_MUL_OVERFLOW_NAT(a,b) CHECK_MUL_OVERFLOW64(a,b)
1350 #define CHECK_MUL_OVERFLOW_NAT_UN(a,b) CHECK_MUL_OVERFLOW64_UN(a,b)
1351 #endif
1352
1353 MonoObject*
1354 mono_interp_runtime_invoke (MonoMethod *method, void *obj, void **params, MonoObject **exc, MonoError *error)
1355 {
1356         MonoInvocation frame;
1357         ThreadContext * volatile context = mono_native_tls_get_value (thread_context_id);
1358         MonoObject *retval = NULL;
1359         MonoMethodSignature *sig = mono_method_signature (method);
1360         MonoClass *klass = mono_class_from_mono_type (sig->ret);
1361         int i, type, isobject = 0;
1362         void *ret = NULL;
1363         stackval result;
1364         stackval *args;
1365         ThreadContext context_struct;
1366         MonoInvocation *old_frame = NULL;
1367         jmp_buf env;
1368
1369         error_init (error);
1370         if (exc)
1371                 *exc = NULL;
1372
1373         frame.ex = NULL;
1374
1375         if (setjmp(env)) {
1376                 if (context != &context_struct) {
1377                         context->current_frame = old_frame;
1378                         context->managed_code = 0;
1379                 } else
1380                         set_context (NULL);
1381                 if (exc != NULL)
1382                         *exc = (MonoObject *)frame.ex;
1383                 return retval;
1384         }
1385
1386         if (context == NULL) {
1387                 context = &context_struct;
1388                 memset (context, 0, sizeof (ThreadContext));
1389                 context_struct.base_frame = &frame;
1390                 context_struct.env_frame = &frame;
1391                 context_struct.current_env = &env;
1392                 set_context (context);
1393         }
1394         else
1395                 old_frame = context->current_frame;
1396
1397         MonoDomain *domain = mono_domain_get ();
1398
1399         switch (sig->ret->type) {
1400         case MONO_TYPE_VOID:
1401                 break;
1402         case MONO_TYPE_STRING:
1403         case MONO_TYPE_OBJECT:
1404         case MONO_TYPE_CLASS:
1405         case MONO_TYPE_ARRAY:
1406         case MONO_TYPE_SZARRAY:
1407                 isobject = 1;
1408                 break;
1409         case MONO_TYPE_VALUETYPE:
1410                 retval = mono_object_new_checked (domain, klass, error);
1411                 ret = mono_object_unbox (retval);
1412                 if (!sig->ret->data.klass->enumtype)
1413                         result.data.vt = ret;
1414                 else
1415                         result.data.vt = alloca (mono_class_instance_size (klass));
1416                 break;
1417         case MONO_TYPE_GENERICINST:
1418                 if (!MONO_TYPE_IS_REFERENCE (sig->ret)) {
1419                         retval = mono_object_new_checked (domain, klass, error);
1420                         ret = mono_object_unbox (retval);
1421                         if (!sig->ret->data.klass->enumtype)
1422                                 result.data.vt = ret;
1423                         else
1424                                 result.data.vt = alloca (mono_class_instance_size (klass));
1425                 } else {
1426                         isobject = 1;
1427                 }
1428                 break;
1429
1430         case MONO_TYPE_PTR:
1431                 retval = mono_object_new_checked (domain, mono_defaults.int_class, error);
1432                 ret = mono_object_unbox (retval);
1433                 break;
1434         default:
1435                 retval = mono_object_new_checked (domain, klass, error);
1436                 ret = mono_object_unbox (retval);
1437                 break;
1438         }
1439
1440         args = alloca (sizeof (stackval) * (sig->param_count + !!sig->hasthis));
1441         if (sig->hasthis)
1442                 args [0].data.p = obj;
1443
1444         for (i = 0; i < sig->param_count; ++i) {
1445                 int a_index = i + !!sig->hasthis;
1446                 if (sig->params [i]->byref) {
1447                         args [a_index].data.p = params [i];
1448                         continue;
1449                 }
1450                 type = sig->params [i]->type;
1451 handle_enum:
1452                 switch (type) {
1453                 case MONO_TYPE_U1:
1454                 case MONO_TYPE_I1:
1455                 case MONO_TYPE_BOOLEAN:
1456                         args [a_index].data.i = *(MonoBoolean*)params [i];
1457                         break;
1458                 case MONO_TYPE_U2:
1459                 case MONO_TYPE_I2:
1460                 case MONO_TYPE_CHAR:
1461                         args [a_index].data.i = *(gint16*)params [i];
1462                         break;
1463 #if SIZEOF_VOID_P == 4
1464                 case MONO_TYPE_U: /* use VAL_POINTER? */
1465                 case MONO_TYPE_I:
1466 #endif
1467                 case MONO_TYPE_U4:
1468                 case MONO_TYPE_I4:
1469                         args [a_index].data.i = *(gint32*)params [i];
1470                         break;
1471 #if SIZEOF_VOID_P == 8
1472                 case MONO_TYPE_U:
1473                 case MONO_TYPE_I:
1474 #endif
1475                 case MONO_TYPE_U8:
1476                 case MONO_TYPE_I8:
1477                         args [a_index].data.l = *(gint64*)params [i];
1478                         break;
1479                 case MONO_TYPE_R4:
1480                         args [a_index].data.f = *(gfloat *) params [i];
1481                         break;
1482                 case MONO_TYPE_R8:
1483                         args [a_index].data.f = *(gdouble *) params [i];
1484                         break;
1485                 case MONO_TYPE_VALUETYPE:
1486                         if (sig->params [i]->data.klass->enumtype) {
1487                                 type = mono_class_enum_basetype (sig->params [i]->data.klass)->type;
1488                                 goto handle_enum;
1489                         } else {
1490                                 args [a_index].data.p = params [i];
1491                         }
1492                         break;
1493                 case MONO_TYPE_STRING:
1494                 case MONO_TYPE_PTR:
1495                 case MONO_TYPE_CLASS:
1496                 case MONO_TYPE_ARRAY:
1497                 case MONO_TYPE_SZARRAY:
1498                 case MONO_TYPE_OBJECT:
1499                 case MONO_TYPE_GENERICINST:
1500                         args [a_index].data.p = params [i];
1501                         break;
1502                 default:
1503                         g_error ("type 0x%x not handled in  runtime invoke", sig->params [i]->type);
1504                 }
1505         }
1506
1507         if (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL)
1508                 method = mono_marshal_get_native_wrapper (method, FALSE, FALSE);
1509
1510         INIT_FRAME (&frame,context->current_frame,args,&result,domain,method,error);
1511         if (exc)
1512                 frame.invoke_trap = 1;
1513         context->managed_code = 1;
1514         ves_exec_method_with_context (&frame, context, NULL, NULL, -1);
1515         context->managed_code = 0;
1516         if (context == &context_struct)
1517                 set_context (NULL);
1518         else
1519                 context->current_frame = old_frame;
1520         if (frame.ex != NULL) {
1521                 if (exc != NULL) {
1522                         *exc = (MonoObject*) frame.ex;
1523                         return NULL;
1524                 }
1525                 if (context->current_env != NULL) {
1526                         context->env_frame->ex = frame.ex;
1527                         longjmp(*context->current_env, 1);
1528                 }
1529                 else
1530                         printf("dropped exception...\n");
1531         }
1532         if (sig->ret->type == MONO_TYPE_VOID && !method->string_ctor)
1533                 return NULL;
1534         if (isobject || method->string_ctor)
1535                 return result.data.p;
1536         stackval_to_data (sig->ret, &result, ret, sig->pinvoke);
1537         return retval;
1538 }
1539
1540 typedef struct {
1541         RuntimeMethod *rmethod;
1542         gpointer this_arg;
1543         gpointer res;
1544         gpointer args [16];
1545         gpointer *many_args;
1546 } InterpEntryData;
1547
1548 /* Main function for entering the interpreter from compiled code */
1549 static void
1550 interp_entry (InterpEntryData *data)
1551 {
1552         MonoInvocation frame;
1553         RuntimeMethod *rmethod = data->rmethod;
1554         ThreadContext *context = mono_native_tls_get_value (thread_context_id);
1555         ThreadContext context_struct;
1556         MonoInvocation *old_frame;
1557         stackval result;
1558         stackval *args;
1559         MonoMethod *method;
1560         MonoMethodSignature *sig;
1561         MonoType *type;
1562         int i;
1563
1564         method = rmethod->method;
1565         sig = mono_method_signature (method);
1566
1567         // FIXME: Optimize this
1568
1569         //printf ("%s\n", mono_method_full_name (method, 1));
1570
1571         frame.ex = NULL;
1572         if (context == NULL) {
1573                 context = &context_struct;
1574                 memset (context, 0, sizeof (ThreadContext));
1575                 context_struct.base_frame = &frame;
1576                 context_struct.env_frame = &frame;
1577                 set_context (context);
1578         } else {
1579                 old_frame = context->current_frame;
1580         }
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 static stackval *
1832 do_jit_call (stackval *sp, unsigned char *vt_sp, ThreadContext *context, MonoInvocation *frame, RuntimeMethod *rmethod)
1833 {
1834         MonoMethodSignature *sig;
1835         MonoFtnDesc ftndesc;
1836         guint8 res_buf [256];
1837         MonoType *type;
1838         MonoLMFExt ext;
1839
1840         //printf ("%s\n", mono_method_full_name (rmethod->method, 1));
1841
1842         /*
1843          * Call JITted code through a gsharedvt_out wrapper. These wrappers receive every argument
1844          * by ref and return a return value using an explicit return value argument.
1845          */
1846         if (!rmethod->jit_wrapper) {
1847                 MonoMethod *method = rmethod->method;
1848                 MonoError error;
1849
1850                 sig = mono_method_signature (method);
1851                 g_assert (sig);
1852
1853                 MonoMethod *wrapper = mini_get_gsharedvt_out_sig_wrapper (sig);
1854                 //printf ("J: %s %s\n", mono_method_full_name (method, 1), mono_method_full_name (wrapper, 1));
1855
1856                 gpointer jit_wrapper = mono_jit_compile_method_jit_only (wrapper, &error);
1857                 mono_error_assert_ok (&error);
1858
1859                 gpointer addr = mono_jit_compile_method_jit_only (method, &error);
1860                 g_assert (addr);
1861                 mono_error_assert_ok (&error);
1862
1863                 rmethod->jit_addr = addr;
1864                 rmethod->jit_sig = sig;
1865                 mono_memory_barrier ();
1866                 rmethod->jit_wrapper = jit_wrapper;
1867
1868         } else {
1869                 sig = rmethod->jit_sig;
1870         }
1871
1872         sp -= sig->param_count;
1873         if (sig->hasthis)
1874                 --sp;
1875
1876         ftndesc.addr = rmethod->jit_addr;
1877         ftndesc.arg = NULL;
1878
1879         // FIXME: Optimize this
1880
1881         gpointer args [32];
1882         int pindex = 0;
1883         int stack_index = 0;
1884         if (rmethod->hasthis) {
1885                 args [pindex ++] = sp [0].data.p;
1886                 stack_index ++;
1887         }
1888         type = rmethod->rtype;
1889         if (type->type != MONO_TYPE_VOID) {
1890                 if (MONO_TYPE_ISSTRUCT (type))
1891                         args [pindex ++] = vt_sp;
1892                 else
1893                         args [pindex ++] = res_buf;
1894         }
1895         for (int i = 0; i < rmethod->param_count; ++i) {
1896                 MonoType *t = rmethod->param_types [i];
1897                 stackval *sval = &sp [stack_index + i];
1898                 if (sig->params [i]->byref) {
1899                         args [pindex ++] = sval->data.p;
1900                 } else if (MONO_TYPE_ISSTRUCT (t)) {
1901                         args [pindex ++] = sval->data.p;
1902                 } else if (MONO_TYPE_IS_REFERENCE (t)) {
1903                         args [pindex ++] = &sval->data.p;
1904                 } else {
1905                         switch (t->type) {
1906                         case MONO_TYPE_I1:
1907                         case MONO_TYPE_U1:
1908                         case MONO_TYPE_I2:
1909                         case MONO_TYPE_U2:
1910                         case MONO_TYPE_I4:
1911                         case MONO_TYPE_U4:
1912                         case MONO_TYPE_VALUETYPE:
1913                                 args [pindex ++] = &sval->data.i;
1914                                 break;
1915                         case MONO_TYPE_PTR:
1916                         case MONO_TYPE_FNPTR:
1917                         case MONO_TYPE_I:
1918                         case MONO_TYPE_U:
1919                         case MONO_TYPE_OBJECT:
1920                                 args [pindex ++] = &sval->data.p;
1921                                 break;
1922                         case MONO_TYPE_I8:
1923                         case MONO_TYPE_U8:
1924                                 args [pindex ++] = &sval->data.l;
1925                                 break;
1926                         default:
1927                                 printf ("%s\n", mono_type_full_name (t));
1928                                 g_assert_not_reached ();
1929                         }
1930                 }
1931         }
1932
1933         interp_push_lmf (&ext, frame);
1934
1935         switch (pindex) {
1936         case 0: {
1937                 void (*func)(gpointer) = rmethod->jit_wrapper;
1938
1939                 func (&ftndesc);
1940                 break;
1941         }
1942         case 1: {
1943                 void (*func)(gpointer, gpointer) = rmethod->jit_wrapper;
1944
1945                 func (args [0], &ftndesc);
1946                 break;
1947         }
1948         case 2: {
1949                 void (*func)(gpointer, gpointer, gpointer) = rmethod->jit_wrapper;
1950
1951                 func (args [0], args [1], &ftndesc);
1952                 break;
1953         }
1954         case 3: {
1955                 void (*func)(gpointer, gpointer, gpointer, gpointer) = rmethod->jit_wrapper;
1956
1957                 func (args [0], args [1], args [2], &ftndesc);
1958                 break;
1959         }
1960         case 4: {
1961                 void (*func)(gpointer, gpointer, gpointer, gpointer, gpointer) = rmethod->jit_wrapper;
1962
1963                 func (args [0], args [1], args [2], args [3], &ftndesc);
1964                 break;
1965         }
1966         case 5: {
1967                 void (*func)(gpointer, gpointer, gpointer, gpointer, gpointer, gpointer) = rmethod->jit_wrapper;
1968
1969                 func (args [0], args [1], args [2], args [3], args [4], &ftndesc);
1970                 break;
1971         }
1972         case 6: {
1973                 void (*func)(gpointer, gpointer, gpointer, gpointer, gpointer, gpointer, gpointer) = rmethod->jit_wrapper;
1974
1975                 func (args [0], args [1], args [2], args [3], args [4], args [5], &ftndesc);
1976                 break;
1977         }
1978         case 7: {
1979                 void (*func)(gpointer, gpointer, gpointer, gpointer, gpointer, gpointer, gpointer, gpointer) = rmethod->jit_wrapper;
1980
1981                 func (args [0], args [1], args [2], args [3], args [4], args [5], args [6], &ftndesc);
1982                 break;
1983         }
1984         default:
1985                 g_assert_not_reached ();
1986                 break;
1987         }
1988
1989         interp_pop_lmf (&ext);
1990
1991         MonoType *rtype = rmethod->rtype;
1992         switch (rtype->type) {
1993         case MONO_TYPE_VOID:
1994         case MONO_TYPE_OBJECT:
1995         case MONO_TYPE_STRING:
1996         case MONO_TYPE_CLASS:
1997         case MONO_TYPE_ARRAY:
1998         case MONO_TYPE_SZARRAY:
1999         case MONO_TYPE_I:
2000         case MONO_TYPE_U:
2001                 sp->data.p = *(gpointer*)res_buf;
2002                 break;
2003         case MONO_TYPE_I1:
2004                 sp->data.i = *(gint8*)res_buf;
2005                 break;
2006         case MONO_TYPE_U1:
2007                 sp->data.i = *(guint8*)res_buf;
2008                 break;
2009         case MONO_TYPE_I2:
2010                 sp->data.i = *(gint16*)res_buf;
2011                 break;
2012         case MONO_TYPE_U2:
2013                 sp->data.i = *(guint16*)res_buf;
2014                 break;
2015         case MONO_TYPE_I4:
2016                 sp->data.i = *(gint32*)res_buf;
2017                 break;
2018         case MONO_TYPE_U4:
2019                 sp->data.i = *(guint32*)res_buf;
2020                 break;
2021         case MONO_TYPE_VALUETYPE:
2022                 /* The result was written to vt_sp */
2023                 sp->data.p = vt_sp;
2024                 break;
2025         case MONO_TYPE_GENERICINST:
2026                 if (MONO_TYPE_IS_REFERENCE (rtype)) {
2027                         sp->data.p = *(gpointer*)res_buf;
2028                 } else {
2029                         /* The result was written to vt_sp */
2030                         sp->data.p = vt_sp;
2031                 }
2032                 break;
2033         default:
2034                 printf ("%s\n", mono_type_full_name (rtype));
2035                 g_assert_not_reached ();
2036                 break;
2037         }
2038
2039         return sp;
2040 }
2041
2042 static void
2043 do_debugger_tramp (void (*tramp) (void), MonoInvocation *frame)
2044 {
2045         MonoLMFExt ext;
2046         interp_push_lmf (&ext, frame);
2047         tramp ();
2048         interp_pop_lmf (&ext);
2049 }
2050
2051 static void
2052 do_transform_method (MonoInvocation *frame, ThreadContext *context)
2053 {
2054         MonoLMFExt ext;
2055
2056         /* Use the parent frame as the current frame is not complete yet */
2057         interp_push_lmf (&ext, frame->parent);
2058
2059         frame->ex = mono_interp_transform_method (frame->runtime_method, context);
2060         context->managed_code = 1;
2061
2062         interp_pop_lmf (&ext);
2063 }
2064
2065 /*
2066  * These functions are the entry points into the interpreter from compiled code.
2067  * They are called by the interp_in wrappers. They have the following signature:
2068  * void (<optional this_arg>, <optional retval pointer>, <arg1>, ..., <argn>, <method ptr>)
2069  * They pack up their arguments into an InterpEntryData structure and call interp_entry ().
2070  * It would be possible for the wrappers to pack up the arguments etc, but that would make them bigger, and there are
2071  * more wrappers then these functions.
2072  * this/static * ret/void * 16 arguments -> 64 functions.
2073  */
2074
2075 #define MAX_INTERP_ENTRY_ARGS 8
2076
2077 #define INTERP_ENTRY_BASE(_method, _this_arg, _res) \
2078         InterpEntryData data; \
2079         (data).rmethod = (_method); \
2080         (data).res = (_res); \
2081         (data).this_arg = (_this_arg); \
2082         (data).many_args = NULL;
2083
2084 #define INTERP_ENTRY0(_this_arg, _res, _method) {       \
2085         INTERP_ENTRY_BASE (_method, _this_arg, _res); \
2086         interp_entry (&data); \
2087         }
2088 #define INTERP_ENTRY1(_this_arg, _res, _method) {         \
2089         INTERP_ENTRY_BASE (_method, _this_arg, _res); \
2090         (data).args [0] = arg1; \
2091         interp_entry (&data); \
2092         }
2093 #define INTERP_ENTRY2(_this_arg, _res, _method) {  \
2094         INTERP_ENTRY_BASE (_method, _this_arg, _res); \
2095         (data).args [0] = arg1; \
2096         (data).args [1] = arg2; \
2097         interp_entry (&data); \
2098         }
2099 #define INTERP_ENTRY3(_this_arg, _res, _method) { \
2100         INTERP_ENTRY_BASE (_method, _this_arg, _res); \
2101         (data).args [0] = arg1; \
2102         (data).args [1] = arg2; \
2103         (data).args [2] = arg3; \
2104         interp_entry (&data); \
2105         }
2106 #define INTERP_ENTRY4(_this_arg, _res, _method) {       \
2107         INTERP_ENTRY_BASE (_method, _this_arg, _res); \
2108         (data).args [0] = arg1; \
2109         (data).args [1] = arg2; \
2110         (data).args [2] = arg3; \
2111         (data).args [3] = arg4; \
2112         interp_entry (&data); \
2113         }
2114 #define INTERP_ENTRY5(_this_arg, _res, _method) {       \
2115         INTERP_ENTRY_BASE (_method, _this_arg, _res); \
2116         (data).args [0] = arg1; \
2117         (data).args [1] = arg2; \
2118         (data).args [2] = arg3; \
2119         (data).args [3] = arg4; \
2120         (data).args [4] = arg5; \
2121         interp_entry (&data); \
2122         }
2123 #define INTERP_ENTRY6(_this_arg, _res, _method) {       \
2124         INTERP_ENTRY_BASE (_method, _this_arg, _res); \
2125         (data).args [0] = arg1; \
2126         (data).args [1] = arg2; \
2127         (data).args [2] = arg3; \
2128         (data).args [3] = arg4; \
2129         (data).args [4] = arg5; \
2130         (data).args [5] = arg6; \
2131         interp_entry (&data); \
2132         }
2133 #define INTERP_ENTRY7(_this_arg, _res, _method) {       \
2134         INTERP_ENTRY_BASE (_method, _this_arg, _res); \
2135         (data).args [0] = arg1; \
2136         (data).args [1] = arg2; \
2137         (data).args [2] = arg3; \
2138         (data).args [3] = arg4; \
2139         (data).args [4] = arg5; \
2140         (data).args [5] = arg6; \
2141         (data).args [6] = arg7; \
2142         interp_entry (&data); \
2143         }
2144 #define INTERP_ENTRY8(_this_arg, _res, _method) {       \
2145         INTERP_ENTRY_BASE (_method, _this_arg, _res); \
2146         (data).args [0] = arg1; \
2147         (data).args [1] = arg2; \
2148         (data).args [2] = arg3; \
2149         (data).args [3] = arg4; \
2150         (data).args [4] = arg5; \
2151         (data).args [5] = arg6; \
2152         (data).args [6] = arg7; \
2153         (data).args [7] = arg8; \
2154         interp_entry (&data); \
2155         }
2156
2157 #define ARGLIST0 RuntimeMethod *rmethod
2158 #define ARGLIST1 gpointer arg1, RuntimeMethod *rmethod
2159 #define ARGLIST2 gpointer arg1, gpointer arg2, RuntimeMethod *rmethod
2160 #define ARGLIST3 gpointer arg1, gpointer arg2, gpointer arg3, RuntimeMethod *rmethod
2161 #define ARGLIST4 gpointer arg1, gpointer arg2, gpointer arg3, gpointer arg4, RuntimeMethod *rmethod
2162 #define ARGLIST5 gpointer arg1, gpointer arg2, gpointer arg3, gpointer arg4, gpointer arg5, RuntimeMethod *rmethod
2163 #define ARGLIST6 gpointer arg1, gpointer arg2, gpointer arg3, gpointer arg4, gpointer arg5, gpointer arg6, RuntimeMethod *rmethod
2164 #define ARGLIST7 gpointer arg1, gpointer arg2, gpointer arg3, gpointer arg4, gpointer arg5, gpointer arg6, gpointer arg7, RuntimeMethod *rmethod
2165 #define ARGLIST8 gpointer arg1, gpointer arg2, gpointer arg3, gpointer arg4, gpointer arg5, gpointer arg6, gpointer arg7, gpointer arg8, RuntimeMethod *rmethod
2166
2167 static void interp_entry_static_0 (ARGLIST0) INTERP_ENTRY0 (NULL, NULL, rmethod)
2168 static void interp_entry_static_1 (ARGLIST1) INTERP_ENTRY1 (NULL, NULL, rmethod)
2169 static void interp_entry_static_2 (ARGLIST2) INTERP_ENTRY2 (NULL, NULL, rmethod)
2170 static void interp_entry_static_3 (ARGLIST3) INTERP_ENTRY3 (NULL, NULL, rmethod)
2171 static void interp_entry_static_4 (ARGLIST4) INTERP_ENTRY4 (NULL, NULL, rmethod)
2172 static void interp_entry_static_5 (ARGLIST5) INTERP_ENTRY5 (NULL, NULL, rmethod)
2173 static void interp_entry_static_6 (ARGLIST6) INTERP_ENTRY6 (NULL, NULL, rmethod)
2174 static void interp_entry_static_7 (ARGLIST7) INTERP_ENTRY7 (NULL, NULL, rmethod)
2175 static void interp_entry_static_8 (ARGLIST8) INTERP_ENTRY8 (NULL, NULL, rmethod)
2176 static void interp_entry_static_ret_0 (gpointer res, ARGLIST0) INTERP_ENTRY0 (NULL, res, rmethod)
2177 static void interp_entry_static_ret_1 (gpointer res, ARGLIST1) INTERP_ENTRY1 (NULL, res, rmethod)
2178 static void interp_entry_static_ret_2 (gpointer res, ARGLIST2) INTERP_ENTRY2 (NULL, res, rmethod)
2179 static void interp_entry_static_ret_3 (gpointer res, ARGLIST3) INTERP_ENTRY3 (NULL, res, rmethod)
2180 static void interp_entry_static_ret_4 (gpointer res, ARGLIST4) INTERP_ENTRY4 (NULL, res, rmethod)
2181 static void interp_entry_static_ret_5 (gpointer res, ARGLIST5) INTERP_ENTRY5 (NULL, res, rmethod)
2182 static void interp_entry_static_ret_6 (gpointer res, ARGLIST6) INTERP_ENTRY6 (NULL, res, rmethod)
2183 static void interp_entry_static_ret_7 (gpointer res, ARGLIST7) INTERP_ENTRY7 (NULL, res, rmethod)
2184 static void interp_entry_static_ret_8 (gpointer res, ARGLIST8) INTERP_ENTRY8 (NULL, res, rmethod)
2185 static void interp_entry_instance_0 (gpointer this_arg, ARGLIST0) INTERP_ENTRY0 (this_arg, NULL, rmethod)
2186 static void interp_entry_instance_1 (gpointer this_arg, ARGLIST1) INTERP_ENTRY1 (this_arg, NULL, rmethod)
2187 static void interp_entry_instance_2 (gpointer this_arg, ARGLIST2) INTERP_ENTRY2 (this_arg, NULL, rmethod)
2188 static void interp_entry_instance_3 (gpointer this_arg, ARGLIST3) INTERP_ENTRY3 (this_arg, NULL, rmethod)
2189 static void interp_entry_instance_4 (gpointer this_arg, ARGLIST4) INTERP_ENTRY4 (this_arg, NULL, rmethod)
2190 static void interp_entry_instance_5 (gpointer this_arg, ARGLIST5) INTERP_ENTRY5 (this_arg, NULL, rmethod)
2191 static void interp_entry_instance_6 (gpointer this_arg, ARGLIST6) INTERP_ENTRY6 (this_arg, NULL, rmethod)
2192 static void interp_entry_instance_7 (gpointer this_arg, ARGLIST7) INTERP_ENTRY7 (this_arg, NULL, rmethod)
2193 static void interp_entry_instance_8 (gpointer this_arg, ARGLIST8) INTERP_ENTRY8 (this_arg, NULL, rmethod)
2194 static void interp_entry_instance_ret_0 (gpointer this_arg, gpointer res, ARGLIST0) INTERP_ENTRY0 (this_arg, res, rmethod)
2195 static void interp_entry_instance_ret_1 (gpointer this_arg, gpointer res, ARGLIST1) INTERP_ENTRY1 (this_arg, res, rmethod)
2196 static void interp_entry_instance_ret_2 (gpointer this_arg, gpointer res, ARGLIST2) INTERP_ENTRY2 (this_arg, res, rmethod)
2197 static void interp_entry_instance_ret_3 (gpointer this_arg, gpointer res, ARGLIST3) INTERP_ENTRY3 (this_arg, res, rmethod)
2198 static void interp_entry_instance_ret_4 (gpointer this_arg, gpointer res, ARGLIST4) INTERP_ENTRY4 (this_arg, res, rmethod)
2199 static void interp_entry_instance_ret_5 (gpointer this_arg, gpointer res, ARGLIST5) INTERP_ENTRY5 (this_arg, res, rmethod)
2200 static void interp_entry_instance_ret_6 (gpointer this_arg, gpointer res, ARGLIST6) INTERP_ENTRY6 (this_arg, res, rmethod)
2201 static void interp_entry_instance_ret_7 (gpointer this_arg, gpointer res, ARGLIST7) INTERP_ENTRY6 (this_arg, res, rmethod)
2202 static void interp_entry_instance_ret_8 (gpointer this_arg, gpointer res, ARGLIST8) INTERP_ENTRY6 (this_arg, res, rmethod)
2203
2204 #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
2205
2206 gpointer entry_funcs_static [MAX_INTERP_ENTRY_ARGS + 1] = { INTERP_ENTRY_FUNCLIST (static) };
2207 gpointer entry_funcs_static_ret [MAX_INTERP_ENTRY_ARGS + 1] = { INTERP_ENTRY_FUNCLIST (static_ret) };
2208 gpointer entry_funcs_instance [MAX_INTERP_ENTRY_ARGS + 1] = { INTERP_ENTRY_FUNCLIST (instance) };
2209 gpointer entry_funcs_instance_ret [MAX_INTERP_ENTRY_ARGS + 1] = { INTERP_ENTRY_FUNCLIST (instance_ret) };
2210
2211 /* General version for methods with more than MAX_INTERP_ENTRY_ARGS arguments */
2212 static void
2213 interp_entry_general (gpointer this_arg, gpointer res, gpointer *args, gpointer rmethod)
2214 {
2215         INTERP_ENTRY_BASE (rmethod, this_arg, res);
2216         data.many_args = args;
2217         interp_entry (&data);
2218 }
2219
2220 /*
2221  * mono_interp_create_method_pointer:
2222  *
2223  * Return a function pointer which can be used to call METHOD using the
2224  * interpreter. Return NULL for methods which are not supported.
2225  */
2226 gpointer
2227 mono_interp_create_method_pointer (MonoMethod *method, MonoError *error)
2228 {
2229         gpointer addr;
2230         MonoMethodSignature *sig = mono_method_signature (method);
2231         MonoMethod *wrapper;
2232         RuntimeMethod *rmethod = mono_interp_get_runtime_method (mono_domain_get (), method, error);
2233
2234         /* HACK: method_ptr of delegate should point to a runtime method*/
2235         if (method->wrapper_type && method->wrapper_type == MONO_WRAPPER_DYNAMIC_METHOD)
2236                 return rmethod;
2237
2238         if (rmethod->jit_entry)
2239                 return rmethod->jit_entry;
2240         wrapper = mini_get_interp_in_wrapper (sig);
2241
2242         gpointer jit_wrapper = mono_jit_compile_method_jit_only (wrapper, error);
2243         mono_error_assert_ok (error);
2244
2245         //printf ("%s %s\n", mono_method_full_name (method, 1), mono_method_full_name (wrapper, 1));
2246         gpointer entry_func;
2247         if (sig->param_count > MAX_INTERP_ENTRY_ARGS) {
2248                 entry_func = interp_entry_general;
2249         } else if (sig->hasthis) {
2250                 if (sig->ret->type == MONO_TYPE_VOID)
2251                         entry_func = entry_funcs_instance [sig->param_count];
2252                 else
2253                         entry_func = entry_funcs_instance_ret [sig->param_count];
2254         } else {
2255                 if (sig->ret->type == MONO_TYPE_VOID)
2256                         entry_func = entry_funcs_static [sig->param_count];
2257                 else
2258                         entry_func = entry_funcs_static_ret [sig->param_count];
2259         }
2260         g_assert (entry_func);
2261
2262         /* This is the argument passed to the interp_in wrapper by the static rgctx trampoline */
2263         MonoFtnDesc *ftndesc = g_new0 (MonoFtnDesc, 1);
2264         ftndesc->addr = entry_func;
2265         ftndesc->arg = rmethod;
2266         mono_error_assert_ok (error);
2267
2268         /*
2269          * The wrapper is called by compiled code, which doesn't pass the extra argument, so we pass it in the
2270          * rgctx register using a trampoline.
2271          */
2272
2273         // FIXME: AOT
2274         g_assert (!mono_aot_only);
2275         addr = mono_arch_get_static_rgctx_trampoline (ftndesc, jit_wrapper);
2276
2277         mono_memory_barrier ();
2278         rmethod->jit_entry = addr;
2279
2280         return addr;
2281 }
2282
2283 #if COUNT_OPS
2284 static int opcode_counts[512];
2285
2286 #define COUNT_OP(op) opcode_counts[op]++
2287 #else
2288 #define COUNT_OP(op)
2289 #endif
2290
2291 #if DEBUG_INTERP
2292 #define DUMP_INSTR() \
2293         if (tracing > 1) { \
2294                 char *ins; \
2295                 if (sp > frame->stack) { \
2296                         ins = dump_stack (frame->stack, sp); \
2297                 } else { \
2298                         ins = g_strdup (""); \
2299                 } \
2300                 sp->data.l = 0; \
2301                 output_indent (); \
2302                 char *mn = mono_method_full_name (frame->runtime_method->method, FALSE); \
2303                 g_print ("(%p) %s -> ", mono_thread_internal_current (), mn); \
2304                 g_free (mn); \
2305                 mono_interp_dis_mintop(rtm->code, ip); \
2306                 g_print ("\t%d:%s\n", vt_sp - vtalloc, ins); \
2307                 g_free (ins); \
2308         }
2309 #else
2310 #define DUMP_INSTR()
2311 #endif
2312
2313 #ifdef __GNUC__
2314 #define USE_COMPUTED_GOTO 1
2315 #endif
2316 #if USE_COMPUTED_GOTO
2317 #define MINT_IN_SWITCH(op) COUNT_OP(op); goto *in_labels[op];
2318 #define MINT_IN_CASE(x) LAB_ ## x:
2319 #if DEBUG_INTERP
2320 #define MINT_IN_BREAK if (tracing > 1) goto main_loop; else { COUNT_OP(*ip); goto *in_labels[*ip]; }
2321 #else
2322 #define MINT_IN_BREAK { COUNT_OP(*ip); goto *in_labels[*ip]; }
2323 #endif
2324 #define MINT_IN_DEFAULT mint_default: if (0) goto mint_default; /* make gcc shut up */
2325 #else
2326 #define MINT_IN_SWITCH(op) switch (op)
2327 #define MINT_IN_CASE(x) case x:
2328 #define MINT_IN_BREAK break
2329 #define MINT_IN_DEFAULT default:
2330 #endif
2331
2332 /*
2333  * If EXIT_AT_FINALLY is not -1, exit after exiting the finally clause with that index.
2334  */
2335 static void
2336 ves_exec_method_with_context (MonoInvocation *frame, ThreadContext *context, unsigned short *start_with_ip, MonoException *filter_exception, int exit_at_finally)
2337 {
2338         MonoInvocation child_frame;
2339         GSList *finally_ips = NULL;
2340         const unsigned short *endfinally_ip = NULL;
2341         const unsigned short *ip = NULL;
2342         register stackval *sp;
2343         RuntimeMethod *rtm;
2344 #if DEBUG_INTERP
2345         gint tracing = global_tracing;
2346         unsigned char *vtalloc;
2347 #else
2348         gint tracing = 0;
2349 #endif
2350         int i32;
2351         unsigned char *vt_sp;
2352         unsigned char *locals;
2353         MonoError error;
2354         MonoObject *o = NULL;
2355         MonoClass *c;
2356 #if USE_COMPUTED_GOTO
2357         static void *in_labels[] = {
2358 #define OPDEF(a,b,c,d) \
2359         &&LAB_ ## a,
2360 #include "mintops.def"
2361         0 };
2362 #endif
2363
2364         frame->ex = NULL;
2365         frame->ex_handler = NULL;
2366         frame->ip = NULL;
2367         context->current_frame = frame;
2368
2369         debug_enter (frame, &tracing);
2370
2371         if (!frame->runtime_method->transformed) {
2372                 context->managed_code = 0;
2373 #if DEBUG_INTERP
2374                 char *mn = mono_method_full_name (frame->runtime_method->method, TRUE);
2375                 g_print ("(%p) Transforming %s\n", mono_thread_internal_current (), mn);
2376                 g_free (mn);
2377 #endif
2378
2379                 do_transform_method (frame, context);
2380                 if (frame->ex) {
2381                         rtm = NULL;
2382                         ip = NULL;
2383                         goto exit_frame;
2384                 }
2385         }
2386
2387         rtm = frame->runtime_method;
2388         if (!start_with_ip ) {
2389                 frame->args = alloca (rtm->alloca_size);
2390                 memset (frame->args, 0, rtm->alloca_size);
2391
2392                 ip = rtm->code;
2393         } else {
2394                 ip = start_with_ip;
2395         }
2396         sp = frame->stack = (stackval *) ((char *) frame->args + rtm->args_size);
2397         vt_sp = (unsigned char *) sp + rtm->stack_size;
2398 #if DEBUG_INTERP
2399         vtalloc = vt_sp;
2400 #endif
2401         locals = (unsigned char *) vt_sp + rtm->vt_stack_size;
2402         frame->locals = locals;
2403         child_frame.parent = frame;
2404
2405         if (filter_exception) {
2406                 sp->data.p = filter_exception;
2407                 sp++;
2408         }
2409
2410         /*
2411          * using while (ip < end) may result in a 15% performance drop,
2412          * but it may be useful for debug
2413          */
2414         while (1) {
2415         main_loop:
2416                 /* g_assert (sp >= frame->stack); */
2417                 /* g_assert(vt_sp - vtalloc <= rtm->vt_stack_size); */
2418                 DUMP_INSTR();
2419                 MINT_IN_SWITCH (*ip) {
2420                 MINT_IN_CASE(MINT_INITLOCALS)
2421                         memset (locals, 0, rtm->locals_size);
2422                         ++ip;
2423                         MINT_IN_BREAK;
2424                 MINT_IN_CASE(MINT_NOP)
2425                         ++ip;
2426                         MINT_IN_BREAK;
2427                 MINT_IN_CASE(MINT_BREAK)
2428                         ++ip;
2429                         do_debugger_tramp (mono_debugger_agent_user_break, frame);
2430                         MINT_IN_BREAK;
2431                 MINT_IN_CASE(MINT_LDNULL)
2432                         sp->data.p = NULL;
2433                         ++ip;
2434                         ++sp;
2435                         MINT_IN_BREAK;
2436                 MINT_IN_CASE(MINT_VTRESULT) {
2437                         int ret_size = * (guint16 *)(ip + 1);
2438                         unsigned char *ret_vt_sp = vt_sp;
2439                         vt_sp -= READ32(ip + 2);
2440                         if (ret_size > 0) {
2441                                 memmove (vt_sp, ret_vt_sp, ret_size);
2442                                 sp [-1].data.p = vt_sp;
2443                                 vt_sp += (ret_size + 7) & ~7;
2444                         }
2445                         ip += 4;
2446                         MINT_IN_BREAK;
2447                 }
2448 #define LDC(n) do { sp->data.i = (n); ++ip; ++sp; } while (0)
2449                 MINT_IN_CASE(MINT_LDC_I4_M1)
2450                         LDC(-1);
2451                         MINT_IN_BREAK;
2452                 MINT_IN_CASE(MINT_LDC_I4_0)
2453                         LDC(0);
2454                         MINT_IN_BREAK;
2455                 MINT_IN_CASE(MINT_LDC_I4_1)
2456                         LDC(1);
2457                         MINT_IN_BREAK;
2458                 MINT_IN_CASE(MINT_LDC_I4_2)
2459                         LDC(2);
2460                         MINT_IN_BREAK;
2461                 MINT_IN_CASE(MINT_LDC_I4_3)
2462                         LDC(3);
2463                         MINT_IN_BREAK;
2464                 MINT_IN_CASE(MINT_LDC_I4_4)
2465                         LDC(4);
2466                         MINT_IN_BREAK;
2467                 MINT_IN_CASE(MINT_LDC_I4_5)
2468                         LDC(5);
2469                         MINT_IN_BREAK;
2470                 MINT_IN_CASE(MINT_LDC_I4_6)
2471                         LDC(6);
2472                         MINT_IN_BREAK;
2473                 MINT_IN_CASE(MINT_LDC_I4_7)
2474                         LDC(7);
2475                         MINT_IN_BREAK;
2476                 MINT_IN_CASE(MINT_LDC_I4_8)
2477                         LDC(8);
2478                         MINT_IN_BREAK;
2479                 MINT_IN_CASE(MINT_LDC_I4_S)
2480                         sp->data.i = *(const short *)(ip + 1);
2481                         ip += 2;
2482                         ++sp;
2483                         MINT_IN_BREAK;
2484                 MINT_IN_CASE(MINT_LDC_I4)
2485                         ++ip;
2486                         sp->data.i = READ32 (ip);
2487                         ip += 2;
2488                         ++sp;
2489                         MINT_IN_BREAK;
2490                 MINT_IN_CASE(MINT_LDC_I8)
2491                         ++ip;
2492                         sp->data.l = READ64 (ip);
2493                         ip += 4;
2494                         ++sp;
2495                         MINT_IN_BREAK;
2496                 MINT_IN_CASE(MINT_LDC_R4) {
2497                         guint32 val;
2498                         ++ip;
2499                         val = READ32(ip);
2500                         sp->data.f = * (float *)&val;
2501                         ip += 2;
2502                         ++sp;
2503                         MINT_IN_BREAK;
2504                 }
2505                 MINT_IN_CASE(MINT_LDC_R8)
2506                         sp->data.l = READ64 (ip + 1); /* note union usage */
2507                         ip += 5;
2508                         ++sp;
2509                         MINT_IN_BREAK;
2510                 MINT_IN_CASE(MINT_DUP)
2511                         sp [0] = sp[-1];
2512                         ++sp;
2513                         ++ip;
2514                         MINT_IN_BREAK;
2515                 MINT_IN_CASE(MINT_DUP_VT)
2516                         i32 = READ32 (ip + 1);
2517                         sp->data.p = vt_sp;
2518                         memcpy(sp->data.p, sp [-1].data.p, i32);
2519                         vt_sp += (i32 + 7) & ~7;
2520                         ++sp;
2521                         ip += 3;
2522                         MINT_IN_BREAK;
2523                 MINT_IN_CASE(MINT_POP) {
2524                         guint16 u16 = (* (guint16 *)(ip + 1)) + 1;
2525                         if (u16 > 1)
2526                                 memmove (sp - u16, sp - 1, (u16 - 1) * sizeof (stackval));
2527                         sp--;
2528                         ip += 2;
2529                         MINT_IN_BREAK;
2530                 }
2531                 MINT_IN_CASE(MINT_JMP) {
2532                         RuntimeMethod *new_method = rtm->data_items [* (guint16 *)(ip + 1)];
2533                         if (!new_method->transformed) {
2534                                 frame->ip = ip;
2535                                 frame->ex = mono_interp_transform_method (new_method, context);
2536                                 if (frame->ex)
2537                                         goto exit_frame;
2538                         }
2539                         ip += 2;
2540                         if (new_method->alloca_size > rtm->alloca_size)
2541                                 g_error ("MINT_JMP to method which needs more stack space (%d > %d)", new_method->alloca_size, rtm->alloca_size);
2542                         rtm = frame->runtime_method = new_method;
2543                         vt_sp = (unsigned char *) sp + rtm->stack_size;
2544 #if DEBUG_INTERP
2545                         vtalloc = vt_sp;
2546 #endif
2547                         locals = vt_sp + rtm->vt_stack_size;
2548                         frame->locals = locals;
2549                         ip = rtm->new_body_start; /* bypass storing input args from callers frame */
2550                         MINT_IN_BREAK;
2551                 }
2552                 MINT_IN_CASE(MINT_CALLI) {
2553                         MonoMethodSignature *csignature;
2554                         stackval *endsp = sp;
2555
2556                         frame->ip = ip;
2557
2558                         csignature = rtm->data_items [* (guint16 *)(ip + 1)];
2559                         ip += 2;
2560                         --sp;
2561                         --endsp;
2562                         child_frame.runtime_method = sp->data.p;
2563
2564                         sp->data.p = vt_sp;
2565                         child_frame.retval = sp;
2566                         /* decrement by the actual number of args */
2567                         sp -= csignature->param_count;
2568                         if (csignature->hasthis)
2569                                 --sp;
2570                         child_frame.stack_args = sp;
2571
2572 #ifndef DISABLE_REMOTING
2573                         /* `this' can be NULL for string:.ctor */
2574                         if (csignature->hasthis && sp->data.p && mono_object_is_transparent_proxy (sp->data.p)) {
2575                                 child_frame.runtime_method = mono_interp_get_runtime_method (rtm->domain, mono_marshal_get_remoting_invoke (child_frame.runtime_method->method), &error);
2576                                 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
2577                         } else
2578 #endif
2579                         if (child_frame.runtime_method->method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) {
2580                                 child_frame.runtime_method = mono_interp_get_runtime_method (rtm->domain, mono_marshal_get_native_wrapper (child_frame.runtime_method->method, FALSE, FALSE), &error);
2581                                 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
2582                         }
2583
2584                         if (csignature->hasthis) {
2585                                 MonoObject *this_arg = sp->data.p;
2586
2587                                 if (this_arg->vtable->klass->valuetype) {
2588                                         gpointer *unboxed = mono_object_unbox (this_arg);
2589                                         sp [0].data.p = unboxed;
2590                                 }
2591                         }
2592
2593                         ves_exec_method_with_context (&child_frame, context, NULL, NULL, -1);
2594
2595                         context->current_frame = frame;
2596
2597                         if (context->has_resume_state) {
2598                                 if (frame == context->handler_frame)
2599                                         SET_RESUME_STATE (context);
2600                                 else
2601                                         goto exit_frame;
2602                         }
2603
2604                         if (child_frame.ex) {
2605                                 /*
2606                                  * An exception occurred, need to run finally, fault and catch handlers..
2607                                  */
2608                                 frame->ex = child_frame.ex;
2609                                 goto handle_finally;
2610                         }
2611
2612                         /* need to handle typedbyref ... */
2613                         if (csignature->ret->type != MONO_TYPE_VOID) {
2614                                 *sp = *endsp;
2615                                 sp++;
2616                         }
2617                         MINT_IN_BREAK;
2618                 }
2619                 MINT_IN_CASE(MINT_CALLI_NAT) {
2620                         MonoMethodSignature *csignature;
2621                         stackval *endsp = sp;
2622                         unsigned char *code = NULL;
2623
2624                         frame->ip = ip;
2625
2626                         csignature = rtm->data_items [* (guint16 *)(ip + 1)];
2627                         ip += 2;
2628                         --sp;
2629                         --endsp;
2630                         code = sp->data.p;
2631                         child_frame.runtime_method = NULL;
2632
2633                         sp->data.p = vt_sp;
2634                         child_frame.retval = sp;
2635                         /* decrement by the actual number of args */
2636                         sp -= csignature->param_count;
2637                         if (csignature->hasthis)
2638                                 --sp;
2639                         child_frame.stack_args = sp;
2640                         ves_pinvoke_method (&child_frame, csignature, (MonoFuncV) code, FALSE, context);
2641
2642                         context->current_frame = frame;
2643
2644                         if (context->has_resume_state) {
2645                                 if (frame == context->handler_frame)
2646                                         SET_RESUME_STATE (context);
2647                                 else
2648                                         goto exit_frame;
2649                         }
2650
2651                         if (child_frame.ex) {
2652                                 /*
2653                                  * An exception occurred, need to run finally, fault and catch handlers..
2654                                  */
2655                                 frame->ex = child_frame.ex;
2656                                 if (context->search_for_handler) {
2657                                         context->search_for_handler = 0;
2658                                         goto handle_exception;
2659                                 }
2660                                 goto handle_finally;
2661                         }
2662
2663                         /* need to handle typedbyref ... */
2664                         if (csignature->ret->type != MONO_TYPE_VOID) {
2665                                 *sp = *endsp;
2666                                 sp++;
2667                         }
2668                         MINT_IN_BREAK;
2669                 }
2670                 MINT_IN_CASE(MINT_CALL) {
2671                         stackval *endsp = sp;
2672
2673                         frame->ip = ip;
2674
2675                         child_frame.runtime_method = rtm->data_items [* (guint16 *)(ip + 1)];
2676                         ip += 2;
2677                         sp->data.p = vt_sp;
2678                         child_frame.retval = sp;
2679                         /* decrement by the actual number of args */
2680                         sp -= child_frame.runtime_method->param_count;
2681                         if (child_frame.runtime_method->hasthis)
2682                                 --sp;
2683                         child_frame.stack_args = sp;
2684
2685 #ifndef DISABLE_REMOTING
2686                         /* `this' can be NULL for string:.ctor */
2687                         if (child_frame.runtime_method->hasthis && !child_frame.runtime_method->method->klass->valuetype && sp->data.p && mono_object_is_transparent_proxy (sp->data.p)) {
2688                                 child_frame.runtime_method = mono_interp_get_runtime_method (rtm->domain, mono_marshal_get_remoting_invoke (child_frame.runtime_method->method), &error);
2689                                 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
2690                         }
2691 #endif
2692
2693                         ves_exec_method_with_context (&child_frame, context, NULL, NULL, -1);
2694
2695                         context->current_frame = frame;
2696
2697                         if (context->has_resume_state) {
2698                                 if (frame == context->handler_frame)
2699                                         SET_RESUME_STATE (context);
2700                                 else
2701                                         goto exit_frame;
2702                         }
2703
2704                         if (child_frame.ex) {
2705                                 /*
2706                                  * An exception occurred, need to run finally, fault and catch handlers..
2707                                  */
2708                                 frame->ex = child_frame.ex;
2709                                 goto handle_exception;;
2710                         }
2711
2712                         /* need to handle typedbyref ... */
2713                         *sp = *endsp;
2714                         sp++;
2715                         MINT_IN_BREAK;
2716                 }
2717                 MINT_IN_CASE(MINT_VCALL) {
2718                         frame->ip = ip;
2719
2720                         child_frame.runtime_method = rtm->data_items [* (guint16 *)(ip + 1)];
2721                         ip += 2;
2722
2723                         sp->data.p = vt_sp;
2724                         child_frame.retval = sp;
2725                         /* decrement by the actual number of args */
2726                         sp -= child_frame.runtime_method->param_count;
2727                         if (child_frame.runtime_method->hasthis) {
2728                                 --sp;
2729                                 MonoObject *this_arg = sp->data.p;
2730                                 if (!this_arg)
2731                                         THROW_EX (mono_get_exception_null_reference(), ip - 2);
2732                         }
2733                         child_frame.stack_args = sp;
2734
2735 #ifndef DISABLE_REMOTING
2736                         if (child_frame.runtime_method->hasthis && !child_frame.runtime_method->method->klass->valuetype && mono_object_is_transparent_proxy (sp->data.p)) {
2737                                 child_frame.runtime_method = mono_interp_get_runtime_method (rtm->domain, mono_marshal_get_remoting_invoke (child_frame.runtime_method->method), &error);
2738                                 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
2739                         }
2740 #endif
2741
2742                         ves_exec_method_with_context (&child_frame, context, NULL, NULL, -1);
2743
2744                         context->current_frame = frame;
2745
2746                         if (context->has_resume_state) {
2747                                 if (frame == context->handler_frame)
2748                                         SET_RESUME_STATE (context);
2749                                 else
2750                                         goto exit_frame;
2751                         }
2752
2753                         if (child_frame.ex) {
2754                                 /*
2755                                  * An exception occurred, need to run finally, fault and catch handlers..
2756                                  */
2757                                 frame->ex = child_frame.ex;
2758                                 goto handle_finally;
2759                         }
2760                         MINT_IN_BREAK;
2761                 }
2762
2763                 MINT_IN_CASE(MINT_JIT_CALL) {
2764                         RuntimeMethod *rmethod = rtm->data_items [* (guint16 *)(ip + 1)];
2765                         frame->ip = ip;
2766                         ip += 2;
2767                         sp = do_jit_call (sp, vt_sp, context, frame, rmethod);
2768
2769                         if (context->has_resume_state) {
2770                                 /*
2771                                  * If this bit is set, it means the call has thrown the exception, and we
2772                                  * reached this point because the EH code in mono_handle_exception ()
2773                                  * unwound all the JITted frames below us. mono_interp_set_resume_state ()
2774                                  * has set the fields in context to indicate where we have to resume execution.
2775                                  */
2776                                 if (frame == context->handler_frame)
2777                                         SET_RESUME_STATE (context);
2778                                 else
2779                                         goto exit_frame;
2780                         }
2781                         if (rmethod->rtype->type != MONO_TYPE_VOID)
2782                                 sp++;
2783
2784                         MINT_IN_BREAK;
2785                 }
2786
2787                 MINT_IN_CASE(MINT_CALLVIRT) {
2788                         stackval *endsp = sp;
2789                         MonoObject *this_arg;
2790                         guint32 token;
2791
2792                         frame->ip = ip;
2793
2794                         token = * (unsigned short *)(ip + 1);
2795                         ip += 2;
2796                         child_frame.runtime_method = rtm->data_items [token];
2797                         sp->data.p = vt_sp;
2798                         child_frame.retval = sp;
2799
2800                         /* decrement by the actual number of args */
2801                         sp -= child_frame.runtime_method->param_count + 1;
2802                         child_frame.stack_args = sp;
2803                         this_arg = sp->data.p;
2804                         if (!this_arg)
2805                                 THROW_EX (mono_get_exception_null_reference(), ip - 2);
2806                         child_frame.runtime_method = get_virtual_method (child_frame.runtime_method, this_arg);
2807
2808                         MonoClass *this_class = this_arg->vtable->klass;
2809                         if (this_class->valuetype && child_frame.runtime_method->method->klass->valuetype) {
2810                                 /* unbox */
2811                                 gpointer *unboxed = mono_object_unbox (this_arg);
2812                                 sp [0].data.p = unboxed;
2813                         }
2814
2815                         ves_exec_method_with_context (&child_frame, context, NULL, NULL, -1);
2816
2817                         context->current_frame = frame;
2818
2819                         if (context->has_resume_state) {
2820                                 if (frame == context->handler_frame)
2821                                         SET_RESUME_STATE (context);
2822                                 else
2823                                         goto exit_frame;
2824                         }
2825
2826                         if (child_frame.ex) {
2827                                 /*
2828                                  * An exception occurred, need to run finally, fault and catch handlers..
2829                                  */
2830                                 frame->ex = child_frame.ex;
2831                                 if (context->search_for_handler) {
2832                                         context->search_for_handler = 0;
2833                                         goto handle_exception;
2834                                 }
2835                                 goto handle_finally;
2836                         }
2837
2838                         /* need to handle typedbyref ... */
2839                         *sp = *endsp;
2840                         sp++;
2841                         MINT_IN_BREAK;
2842                 }
2843                 MINT_IN_CASE(MINT_VCALLVIRT) {
2844                         MonoObject *this_arg;
2845                         guint32 token;
2846
2847                         frame->ip = ip;
2848
2849                         token = * (unsigned short *)(ip + 1);
2850                         ip += 2;
2851                         child_frame.runtime_method = rtm->data_items [token];
2852                         sp->data.p = vt_sp;
2853                         child_frame.retval = sp;
2854
2855                         /* decrement by the actual number of args */
2856                         sp -= child_frame.runtime_method->param_count + 1;
2857                         child_frame.stack_args = sp;
2858                         this_arg = sp->data.p;
2859                         if (!this_arg)
2860                                 THROW_EX (mono_get_exception_null_reference(), ip - 2);
2861                         child_frame.runtime_method = get_virtual_method (child_frame.runtime_method, this_arg);
2862
2863                         MonoClass *this_class = this_arg->vtable->klass;
2864                         if (this_class->valuetype && child_frame.runtime_method->method->klass->valuetype) {
2865                                 gpointer *unboxed = mono_object_unbox (this_arg);
2866                                 sp [0].data.p = unboxed;
2867                         }
2868
2869                         ves_exec_method_with_context (&child_frame, context, NULL, NULL, -1);
2870
2871                         context->current_frame = frame;
2872
2873                         if (context->has_resume_state) {
2874                                 if (frame == context->handler_frame)
2875                                         SET_RESUME_STATE (context);
2876                                 else
2877                                         goto exit_frame;
2878                         }
2879
2880                         if (child_frame.ex) {
2881                                 /*
2882                                  * An exception occurred, need to run finally, fault and catch handlers..
2883                                  */
2884                                 frame->ex = child_frame.ex;
2885                                 if (context->search_for_handler) {
2886                                         context->search_for_handler = 0;
2887                                         goto handle_exception;
2888                                 }
2889                                 goto handle_finally;
2890                         }
2891                         MINT_IN_BREAK;
2892                 }
2893                 MINT_IN_CASE(MINT_CALLRUN)
2894                         ves_runtime_method (frame, context);
2895                         if (frame->ex) {
2896                                 rtm = NULL;
2897                                 goto handle_exception;
2898                         }
2899                         goto exit_frame;
2900                 MINT_IN_CASE(MINT_RET)
2901                         --sp;
2902                         *frame->retval = *sp;
2903                         if (sp > frame->stack)
2904                                 g_warning ("ret: more values on stack: %d", sp-frame->stack);
2905                         goto exit_frame;
2906                 MINT_IN_CASE(MINT_RET_VOID)
2907                         if (sp > frame->stack)
2908                                 g_warning ("ret.void: more values on stack: %d %s", sp-frame->stack, mono_method_full_name (frame->runtime_method->method, TRUE));
2909                         goto exit_frame;
2910                 MINT_IN_CASE(MINT_RET_VT)
2911                         i32 = READ32(ip + 1);
2912                         --sp;
2913                         memcpy(frame->retval->data.p, sp->data.p, i32);
2914                         if (sp > frame->stack)
2915                                 g_warning ("ret.vt: more values on stack: %d", sp-frame->stack);
2916                         goto exit_frame;
2917                 MINT_IN_CASE(MINT_BR_S)
2918                         ip += (short) *(ip + 1);
2919                         MINT_IN_BREAK;
2920                 MINT_IN_CASE(MINT_BR)
2921                         ip += (gint32) READ32(ip + 1);
2922                         MINT_IN_BREAK;
2923 #define ZEROP_S(datamem, op) \
2924         --sp; \
2925         if (sp->data.datamem op 0) \
2926                 ip += * (gint16 *)(ip + 1); \
2927         else \
2928                 ip += 2;
2929
2930 #define ZEROP(datamem, op) \
2931         --sp; \
2932         if (sp->data.datamem op 0) \
2933                 ip += READ32(ip + 1); \
2934         else \
2935                 ip += 3;
2936
2937                 MINT_IN_CASE(MINT_BRFALSE_I4_S)
2938                         ZEROP_S(i, ==);
2939                         MINT_IN_BREAK;
2940                 MINT_IN_CASE(MINT_BRFALSE_I8_S)
2941                         ZEROP_S(l, ==);
2942                         MINT_IN_BREAK;
2943                 MINT_IN_CASE(MINT_BRFALSE_R8_S)
2944                         ZEROP_S(f, ==);
2945                         MINT_IN_BREAK;
2946                 MINT_IN_CASE(MINT_BRFALSE_I4)
2947                         ZEROP(i, ==);
2948                         MINT_IN_BREAK;
2949                 MINT_IN_CASE(MINT_BRFALSE_I8)
2950                         ZEROP(l, ==);
2951                         MINT_IN_BREAK;
2952                 MINT_IN_CASE(MINT_BRFALSE_R8)
2953                         ZEROP_S(f, ==);
2954                         MINT_IN_BREAK;
2955                 MINT_IN_CASE(MINT_BRTRUE_I4_S)
2956                         ZEROP_S(i, !=);
2957                         MINT_IN_BREAK;
2958                 MINT_IN_CASE(MINT_BRTRUE_I8_S)
2959                         ZEROP_S(l, !=);
2960                         MINT_IN_BREAK;
2961                 MINT_IN_CASE(MINT_BRTRUE_R8_S)
2962                         ZEROP_S(f, !=);
2963                         MINT_IN_BREAK;
2964                 MINT_IN_CASE(MINT_BRTRUE_I4)
2965                         ZEROP(i, !=);
2966                         MINT_IN_BREAK;
2967                 MINT_IN_CASE(MINT_BRTRUE_I8)
2968                         ZEROP(l, !=);
2969                         MINT_IN_BREAK;
2970                 MINT_IN_CASE(MINT_BRTRUE_R8)
2971                         ZEROP(f, !=);
2972                         MINT_IN_BREAK;
2973 #define CONDBR_S(cond) \
2974         sp -= 2; \
2975         if (cond) \
2976                 ip += * (gint16 *)(ip + 1); \
2977         else \
2978                 ip += 2;
2979 #define BRELOP_S(datamem, op) \
2980         CONDBR_S(sp[0].data.datamem op sp[1].data.datamem)
2981
2982 #define CONDBR(cond) \
2983         sp -= 2; \
2984         if (cond) \
2985                 ip += READ32(ip + 1); \
2986         else \
2987                 ip += 3;
2988
2989 #define BRELOP(datamem, op) \
2990         CONDBR(sp[0].data.datamem op sp[1].data.datamem)
2991
2992                 MINT_IN_CASE(MINT_BEQ_I4_S)
2993                         BRELOP_S(i, ==)
2994                         MINT_IN_BREAK;
2995                 MINT_IN_CASE(MINT_BEQ_I8_S)
2996                         BRELOP_S(l, ==)
2997                         MINT_IN_BREAK;
2998                 MINT_IN_CASE(MINT_BEQ_R8_S)
2999                         CONDBR_S(!isunordered (sp [0].data.f, sp [1].data.f) && sp[0].data.f == sp[1].data.f)
3000                         MINT_IN_BREAK;
3001                 MINT_IN_CASE(MINT_BEQ_I4)
3002                         BRELOP(i, ==)
3003                         MINT_IN_BREAK;
3004                 MINT_IN_CASE(MINT_BEQ_I8)
3005                         BRELOP(l, ==)
3006                         MINT_IN_BREAK;
3007                 MINT_IN_CASE(MINT_BEQ_R8)
3008                         CONDBR(!isunordered (sp [0].data.f, sp [1].data.f) && sp[0].data.f == sp[1].data.f)
3009                         MINT_IN_BREAK;
3010                 MINT_IN_CASE(MINT_BGE_I4_S)
3011                         BRELOP_S(i, >=)
3012                         MINT_IN_BREAK;
3013                 MINT_IN_CASE(MINT_BGE_I8_S)
3014                         BRELOP_S(l, >=)
3015                         MINT_IN_BREAK;
3016                 MINT_IN_CASE(MINT_BGE_R8_S)
3017                         CONDBR_S(!isunordered (sp [0].data.f, sp [1].data.f) && sp[0].data.f >= sp[1].data.f)
3018                         MINT_IN_BREAK;
3019                 MINT_IN_CASE(MINT_BGE_I4)
3020                         BRELOP(i, >=)
3021                         MINT_IN_BREAK;
3022                 MINT_IN_CASE(MINT_BGE_I8)
3023                         BRELOP(l, >=)
3024                         MINT_IN_BREAK;
3025                 MINT_IN_CASE(MINT_BGE_R8)
3026                         CONDBR(!isunordered (sp [0].data.f, sp [1].data.f) && sp[0].data.f >= sp[1].data.f)
3027                         MINT_IN_BREAK;
3028                 MINT_IN_CASE(MINT_BGT_I4_S)
3029                         BRELOP_S(i, >)
3030                         MINT_IN_BREAK;
3031                 MINT_IN_CASE(MINT_BGT_I8_S)
3032                         BRELOP_S(l, >)
3033                         MINT_IN_BREAK;
3034                 MINT_IN_CASE(MINT_BGT_R8_S)
3035                         CONDBR_S(!isunordered (sp [0].data.f, sp [1].data.f) && sp[0].data.f > sp[1].data.f)
3036                         MINT_IN_BREAK;
3037                 MINT_IN_CASE(MINT_BGT_I4)
3038                         BRELOP(i, >)
3039                         MINT_IN_BREAK;
3040                 MINT_IN_CASE(MINT_BGT_I8)
3041                         BRELOP(l, >)
3042                         MINT_IN_BREAK;
3043                 MINT_IN_CASE(MINT_BGT_R8)
3044                         CONDBR(!isunordered (sp [0].data.f, sp [1].data.f) && sp[0].data.f > sp[1].data.f)
3045                         MINT_IN_BREAK;
3046                 MINT_IN_CASE(MINT_BLT_I4_S)
3047                         BRELOP_S(i, <)
3048                         MINT_IN_BREAK;
3049                 MINT_IN_CASE(MINT_BLT_I8_S)
3050                         BRELOP_S(l, <)
3051                         MINT_IN_BREAK;
3052                 MINT_IN_CASE(MINT_BLT_R8_S)
3053                         CONDBR_S(!isunordered (sp [0].data.f, sp [1].data.f) && sp[0].data.f < sp[1].data.f)
3054                         MINT_IN_BREAK;
3055                 MINT_IN_CASE(MINT_BLT_I4)
3056                         BRELOP(i, <)
3057                         MINT_IN_BREAK;
3058                 MINT_IN_CASE(MINT_BLT_I8)
3059                         BRELOP(l, <)
3060                         MINT_IN_BREAK;
3061                 MINT_IN_CASE(MINT_BLT_R8)
3062                         CONDBR(!isunordered (sp [0].data.f, sp [1].data.f) && sp[0].data.f < sp[1].data.f)
3063                         MINT_IN_BREAK;
3064                 MINT_IN_CASE(MINT_BLE_I4_S)
3065                         BRELOP_S(i, <=)
3066                         MINT_IN_BREAK;
3067                 MINT_IN_CASE(MINT_BLE_I8_S)
3068                         BRELOP_S(l, <=)
3069                         MINT_IN_BREAK;
3070                 MINT_IN_CASE(MINT_BLE_R8_S)
3071                         CONDBR_S(!isunordered (sp [0].data.f, sp [1].data.f) && sp[0].data.f <= sp[1].data.f)
3072                         MINT_IN_BREAK;
3073                 MINT_IN_CASE(MINT_BLE_I4)
3074                         BRELOP(i, <=)
3075                         MINT_IN_BREAK;
3076                 MINT_IN_CASE(MINT_BLE_I8)
3077                         BRELOP(l, <=)
3078                         MINT_IN_BREAK;
3079                 MINT_IN_CASE(MINT_BLE_R8)
3080                         CONDBR(!isunordered (sp [0].data.f, sp [1].data.f) && sp[0].data.f <= sp[1].data.f)
3081                         MINT_IN_BREAK;
3082                 MINT_IN_CASE(MINT_BNE_UN_I4_S)
3083                         BRELOP_S(i, !=)
3084                         MINT_IN_BREAK;
3085                 MINT_IN_CASE(MINT_BNE_UN_I8_S)
3086                         BRELOP_S(l, !=)
3087                         MINT_IN_BREAK;
3088                 MINT_IN_CASE(MINT_BNE_UN_R8_S)
3089                         CONDBR_S(isunordered (sp [0].data.f, sp [1].data.f) || sp[0].data.f != sp[1].data.f)
3090                         MINT_IN_BREAK;
3091                 MINT_IN_CASE(MINT_BNE_UN_I4)
3092                         BRELOP(i, !=)
3093                         MINT_IN_BREAK;
3094                 MINT_IN_CASE(MINT_BNE_UN_I8)
3095                         BRELOP(l, !=)
3096                         MINT_IN_BREAK;
3097                 MINT_IN_CASE(MINT_BNE_UN_R8)
3098                         CONDBR(isunordered (sp [0].data.f, sp [1].data.f) || sp[0].data.f != sp[1].data.f)
3099                         MINT_IN_BREAK;
3100
3101 #define BRELOP_S_CAST(datamem, op, type) \
3102         sp -= 2; \
3103         if ((type) sp[0].data.datamem op (type) sp[1].data.datamem) \
3104                 ip += * (gint16 *)(ip + 1); \
3105         else \
3106                 ip += 2;
3107
3108 #define BRELOP_CAST(datamem, op, type) \
3109         sp -= 2; \
3110         if ((type) sp[0].data.datamem op (type) sp[1].data.datamem) \
3111                 ip += READ32(ip + 1); \
3112         else \
3113                 ip += 3;
3114
3115                 MINT_IN_CASE(MINT_BGE_UN_I4_S)
3116                         BRELOP_S_CAST(i, >=, guint32);
3117                         MINT_IN_BREAK;
3118                 MINT_IN_CASE(MINT_BGE_UN_I8_S)
3119                         BRELOP_S_CAST(l, >=, guint64);
3120                         MINT_IN_BREAK;
3121                 MINT_IN_CASE(MINT_BGE_UN_R8_S)
3122                         CONDBR_S(isunordered (sp [0].data.f, sp [1].data.f) || sp[0].data.f >= sp[1].data.f)
3123                         MINT_IN_BREAK;
3124                 MINT_IN_CASE(MINT_BGE_UN_I4)
3125                         BRELOP_CAST(i, >=, guint32);
3126                         MINT_IN_BREAK;
3127                 MINT_IN_CASE(MINT_BGE_UN_I8)
3128                         BRELOP_CAST(l, >=, guint64);
3129                         MINT_IN_BREAK;
3130                 MINT_IN_CASE(MINT_BGE_UN_R8)
3131                         CONDBR(isunordered (sp [0].data.f, sp [1].data.f) || sp[0].data.f >= sp[1].data.f)
3132                         MINT_IN_BREAK;
3133                 MINT_IN_CASE(MINT_BGT_UN_I4_S)
3134                         BRELOP_S_CAST(i, >, guint32);
3135                         MINT_IN_BREAK;
3136                 MINT_IN_CASE(MINT_BGT_UN_I8_S)
3137                         BRELOP_S_CAST(l, >, guint64);
3138                         MINT_IN_BREAK;
3139                 MINT_IN_CASE(MINT_BGT_UN_R8_S)
3140                         CONDBR_S(isunordered (sp [0].data.f, sp [1].data.f) || sp[0].data.f > sp[1].data.f)
3141                         MINT_IN_BREAK;
3142                 MINT_IN_CASE(MINT_BGT_UN_I4)
3143                         BRELOP_CAST(i, >, guint32);
3144                         MINT_IN_BREAK;
3145                 MINT_IN_CASE(MINT_BGT_UN_I8)
3146                         BRELOP_CAST(l, >, guint64);
3147                         MINT_IN_BREAK;
3148                 MINT_IN_CASE(MINT_BGT_UN_R8)
3149                         CONDBR(isunordered (sp [0].data.f, sp [1].data.f) || sp[0].data.f > sp[1].data.f)
3150                         MINT_IN_BREAK;
3151                 MINT_IN_CASE(MINT_BLE_UN_I4_S)
3152                         BRELOP_S_CAST(i, <=, guint32);
3153                         MINT_IN_BREAK;
3154                 MINT_IN_CASE(MINT_BLE_UN_I8_S)
3155                         BRELOP_S_CAST(l, <=, guint64);
3156                         MINT_IN_BREAK;
3157                 MINT_IN_CASE(MINT_BLE_UN_R8_S)
3158                         CONDBR_S(isunordered (sp [0].data.f, sp [1].data.f) || sp[0].data.f <= sp[1].data.f)
3159                         MINT_IN_BREAK;
3160                 MINT_IN_CASE(MINT_BLE_UN_I4)
3161                         BRELOP_CAST(i, <=, guint32);
3162                         MINT_IN_BREAK;
3163                 MINT_IN_CASE(MINT_BLE_UN_I8)
3164                         BRELOP_CAST(l, <=, guint64);
3165                         MINT_IN_BREAK;
3166                 MINT_IN_CASE(MINT_BLE_UN_R8)
3167                         CONDBR(isunordered (sp [0].data.f, sp [1].data.f) || sp[0].data.f <= sp[1].data.f)
3168                         MINT_IN_BREAK;
3169                 MINT_IN_CASE(MINT_BLT_UN_I4_S)
3170                         BRELOP_S_CAST(i, <, guint32);
3171                         MINT_IN_BREAK;
3172                 MINT_IN_CASE(MINT_BLT_UN_I8_S)
3173                         BRELOP_S_CAST(l, <, guint64);
3174                         MINT_IN_BREAK;
3175                 MINT_IN_CASE(MINT_BLT_UN_R8_S)
3176                         CONDBR_S(isunordered (sp [0].data.f, sp [1].data.f) || sp[0].data.f < sp[1].data.f)
3177                         MINT_IN_BREAK;
3178                 MINT_IN_CASE(MINT_BLT_UN_I4)
3179                         BRELOP_CAST(i, <, guint32);
3180                         MINT_IN_BREAK;
3181                 MINT_IN_CASE(MINT_BLT_UN_I8)
3182                         BRELOP_CAST(l, <, guint64);
3183                         MINT_IN_BREAK;
3184                 MINT_IN_CASE(MINT_BLT_UN_R8)
3185                         CONDBR(isunordered (sp [0].data.f, sp [1].data.f) || sp[0].data.f < sp[1].data.f)
3186                         MINT_IN_BREAK;
3187                 MINT_IN_CASE(MINT_SWITCH) {
3188                         guint32 n;
3189                         const unsigned short *st;
3190                         ++ip;
3191                         n = READ32 (ip);
3192                         ip += 2;
3193                         st = ip + 2 * n;
3194                         --sp;
3195                         if ((guint32)sp->data.i < n) {
3196                                 gint offset;
3197                                 ip += 2 * (guint32)sp->data.i;
3198                                 offset = READ32 (ip);
3199                                 ip = ip + offset;
3200                         } else {
3201                                 ip = st;
3202                         }
3203                         MINT_IN_BREAK;
3204                 }
3205                 MINT_IN_CASE(MINT_LDIND_I1)
3206                         ++ip;
3207                         sp[-1].data.i = *(gint8*)sp[-1].data.p;
3208                         MINT_IN_BREAK;
3209                 MINT_IN_CASE(MINT_LDIND_U1)
3210                         ++ip;
3211                         sp[-1].data.i = *(guint8*)sp[-1].data.p;
3212                         MINT_IN_BREAK;
3213                 MINT_IN_CASE(MINT_LDIND_I2)
3214                         ++ip;
3215                         sp[-1].data.i = *(gint16*)sp[-1].data.p;
3216                         MINT_IN_BREAK;
3217                 MINT_IN_CASE(MINT_LDIND_U2)
3218                         ++ip;
3219                         sp[-1].data.i = *(guint16*)sp[-1].data.p;
3220                         MINT_IN_BREAK;
3221                 MINT_IN_CASE(MINT_LDIND_I4) /* Fall through */
3222                 MINT_IN_CASE(MINT_LDIND_U4)
3223                         ++ip;
3224                         sp[-1].data.i = *(gint32*)sp[-1].data.p;
3225                         MINT_IN_BREAK;
3226                 MINT_IN_CASE(MINT_LDIND_I8)
3227                         ++ip;
3228                         /* memmove handles unaligned case */
3229                         memmove (&sp [-1].data.l, sp [-1].data.p, sizeof (gint64));
3230                         MINT_IN_BREAK;
3231                 MINT_IN_CASE(MINT_LDIND_I) {
3232                         guint16 offset = * (guint16 *)(ip + 1);
3233                         sp[-1 - offset].data.p = *(gpointer*)sp[-1 - offset].data.p;
3234                         ip += 2;
3235                         MINT_IN_BREAK;
3236                 }
3237                 MINT_IN_CASE(MINT_LDIND_R4)
3238                         ++ip;
3239                         sp[-1].data.f = *(gfloat*)sp[-1].data.p;
3240                         MINT_IN_BREAK;
3241                 MINT_IN_CASE(MINT_LDIND_R8)
3242                         ++ip;
3243                         sp[-1].data.f = *(gdouble*)sp[-1].data.p;
3244                         MINT_IN_BREAK;
3245                 MINT_IN_CASE(MINT_LDIND_REF)
3246                         ++ip;
3247                         sp[-1].data.p = *(gpointer*)sp[-1].data.p;
3248                         MINT_IN_BREAK;
3249                 MINT_IN_CASE(MINT_STIND_REF)
3250                         ++ip;
3251                         sp -= 2;
3252                         mono_gc_wbarrier_generic_store (sp->data.p, sp [1].data.p);
3253                         MINT_IN_BREAK;
3254                 MINT_IN_CASE(MINT_STIND_I1)
3255                         ++ip;
3256                         sp -= 2;
3257                         * (gint8 *) sp->data.p = (gint8)sp[1].data.i;
3258                         MINT_IN_BREAK;
3259                 MINT_IN_CASE(MINT_STIND_I2)
3260                         ++ip;
3261                         sp -= 2;
3262                         * (gint16 *) sp->data.p = (gint16)sp[1].data.i;
3263                         MINT_IN_BREAK;
3264                 MINT_IN_CASE(MINT_STIND_I4)
3265                         ++ip;
3266                         sp -= 2;
3267                         * (gint32 *) sp->data.p = sp[1].data.i;
3268                         MINT_IN_BREAK;
3269                 MINT_IN_CASE(MINT_STIND_I)
3270                         ++ip;
3271                         sp -= 2;
3272                         * (mono_i *) sp->data.p = (mono_i)sp[1].data.p;
3273                         MINT_IN_BREAK;
3274                 MINT_IN_CASE(MINT_STIND_I8)
3275                         ++ip;
3276                         sp -= 2;
3277                         * (gint64 *) sp->data.p = sp[1].data.l;
3278                         MINT_IN_BREAK;
3279                 MINT_IN_CASE(MINT_STIND_R4)
3280                         ++ip;
3281                         sp -= 2;
3282                         * (float *) sp->data.p = (gfloat)sp[1].data.f;
3283                         MINT_IN_BREAK;
3284                 MINT_IN_CASE(MINT_STIND_R8)
3285                         ++ip;
3286                         sp -= 2;
3287                         * (double *) sp->data.p = sp[1].data.f;
3288                         MINT_IN_BREAK;
3289                 MINT_IN_CASE(MINT_MONO_ATOMIC_STORE_I4)
3290                         ++ip;
3291                         sp -= 2;
3292                         InterlockedWrite ((gint32 *) sp->data.p, sp [1].data.i);
3293                         MINT_IN_BREAK;
3294 #define BINOP(datamem, op) \
3295         --sp; \
3296         sp [-1].data.datamem = sp [-1].data.datamem op sp [0].data.datamem; \
3297         ++ip;
3298                 MINT_IN_CASE(MINT_ADD_I4)
3299                         BINOP(i, +);
3300                         MINT_IN_BREAK;
3301                 MINT_IN_CASE(MINT_ADD_I8)
3302                         BINOP(l, +);
3303                         MINT_IN_BREAK;
3304                 MINT_IN_CASE(MINT_ADD_R8)
3305                         BINOP(f, +);
3306                         MINT_IN_BREAK;
3307                 MINT_IN_CASE(MINT_ADD1_I4)
3308                         ++sp [-1].data.i;
3309                         ++ip;
3310                         MINT_IN_BREAK;
3311                 MINT_IN_CASE(MINT_SUB_I4)
3312                         BINOP(i, -);
3313                         MINT_IN_BREAK;
3314                 MINT_IN_CASE(MINT_SUB_I8)
3315                         BINOP(l, -);
3316                         MINT_IN_BREAK;
3317                 MINT_IN_CASE(MINT_SUB_R8)
3318                         BINOP(f, -);
3319                         MINT_IN_BREAK;
3320                 MINT_IN_CASE(MINT_SUB1_I4)
3321                         --sp [-1].data.i;
3322                         ++ip;
3323                         MINT_IN_BREAK;
3324                 MINT_IN_CASE(MINT_MUL_I4)
3325                         BINOP(i, *);
3326                         MINT_IN_BREAK;
3327                 MINT_IN_CASE(MINT_MUL_I8)
3328                         BINOP(l, *);
3329                         MINT_IN_BREAK;
3330                 MINT_IN_CASE(MINT_MUL_R8)
3331                         BINOP(f, *);
3332                         MINT_IN_BREAK;
3333                 MINT_IN_CASE(MINT_DIV_I4)
3334                         if (sp [-1].data.i == 0)
3335                                 THROW_EX (mono_get_exception_divide_by_zero (), ip);
3336                         if (sp [-1].data.i == (-1))
3337                                 THROW_EX (mono_get_exception_overflow (), ip);
3338                         BINOP(i, /);
3339                         MINT_IN_BREAK;
3340                 MINT_IN_CASE(MINT_DIV_I8)
3341                         if (sp [-1].data.l == 0)
3342                                 THROW_EX (mono_get_exception_divide_by_zero (), ip);
3343                         if (sp [-1].data.l == (-1))
3344                                 THROW_EX (mono_get_exception_overflow (), ip);
3345                         BINOP(l, /);
3346                         MINT_IN_BREAK;
3347                 MINT_IN_CASE(MINT_DIV_R8)
3348                         BINOP(f, /);
3349                         MINT_IN_BREAK;
3350
3351 #define BINOP_CAST(datamem, op, type) \
3352         --sp; \
3353         sp [-1].data.datamem = (type)sp [-1].data.datamem op (type)sp [0].data.datamem; \
3354         ++ip;
3355                 MINT_IN_CASE(MINT_DIV_UN_I4)
3356                         if (sp [-1].data.i == 0)
3357                                 THROW_EX (mono_get_exception_divide_by_zero (), ip);
3358                         BINOP_CAST(i, /, guint32);
3359                         MINT_IN_BREAK;
3360                 MINT_IN_CASE(MINT_DIV_UN_I8)
3361                         if (sp [-1].data.l == 0)
3362                                 THROW_EX (mono_get_exception_divide_by_zero (), ip);
3363                         BINOP_CAST(l, /, guint64);
3364                         MINT_IN_BREAK;
3365                 MINT_IN_CASE(MINT_REM_I4)
3366                         if (sp [-1].data.i == 0)
3367                                 THROW_EX (mono_get_exception_divide_by_zero (), ip);
3368                         if (sp [-1].data.i == (-1))
3369                                 THROW_EX (mono_get_exception_overflow (), ip);
3370                         BINOP(i, %);
3371                         MINT_IN_BREAK;
3372                 MINT_IN_CASE(MINT_REM_I8)
3373                         if (sp [-1].data.l == 0)
3374                                 THROW_EX (mono_get_exception_divide_by_zero (), ip);
3375                         if (sp [-1].data.l == (-1))
3376                                 THROW_EX (mono_get_exception_overflow (), ip);
3377                         BINOP(l, %);
3378                         MINT_IN_BREAK;
3379                 MINT_IN_CASE(MINT_REM_R8)
3380                         /* FIXME: what do we actually do here? */
3381                         --sp;
3382                         sp [-1].data.f = fmod (sp [-1].data.f, sp [0].data.f);
3383                         ++ip;
3384                         MINT_IN_BREAK;
3385                 MINT_IN_CASE(MINT_REM_UN_I4)
3386                         if (sp [-1].data.i == 0)
3387                                 THROW_EX (mono_get_exception_divide_by_zero (), ip);
3388                         BINOP_CAST(i, %, guint32);
3389                         MINT_IN_BREAK;
3390                 MINT_IN_CASE(MINT_REM_UN_I8)
3391                         if (sp [-1].data.l == 0)
3392                                 THROW_EX (mono_get_exception_divide_by_zero (), ip);
3393                         BINOP_CAST(l, %, guint64);
3394                         MINT_IN_BREAK;
3395                 MINT_IN_CASE(MINT_AND_I4)
3396                         BINOP(i, &);
3397                         MINT_IN_BREAK;
3398                 MINT_IN_CASE(MINT_AND_I8)
3399                         BINOP(l, &);
3400                         MINT_IN_BREAK;
3401                 MINT_IN_CASE(MINT_OR_I4)
3402                         BINOP(i, |);
3403                         MINT_IN_BREAK;
3404                 MINT_IN_CASE(MINT_OR_I8)
3405                         BINOP(l, |);
3406                         MINT_IN_BREAK;
3407                 MINT_IN_CASE(MINT_XOR_I4)
3408                         BINOP(i, ^);
3409                         MINT_IN_BREAK;
3410                 MINT_IN_CASE(MINT_XOR_I8)
3411                         BINOP(l, ^);
3412                         MINT_IN_BREAK;
3413
3414 #define SHIFTOP(datamem, op) \
3415         --sp; \
3416         sp [-1].data.datamem = sp [-1].data.datamem op sp [0].data.i; \
3417         ++ip;
3418
3419                 MINT_IN_CASE(MINT_SHL_I4)
3420                         SHIFTOP(i, <<);
3421                         MINT_IN_BREAK;
3422                 MINT_IN_CASE(MINT_SHL_I8)
3423                         SHIFTOP(l, <<);
3424                         MINT_IN_BREAK;
3425                 MINT_IN_CASE(MINT_SHR_I4)
3426                         SHIFTOP(i, >>);
3427                         MINT_IN_BREAK;
3428                 MINT_IN_CASE(MINT_SHR_I8)
3429                         SHIFTOP(l, >>);
3430                         MINT_IN_BREAK;
3431                 MINT_IN_CASE(MINT_SHR_UN_I4)
3432                         --sp;
3433                         sp [-1].data.i = (guint32)sp [-1].data.i >> sp [0].data.i;
3434                         ++ip;
3435                         MINT_IN_BREAK;
3436                 MINT_IN_CASE(MINT_SHR_UN_I8)
3437                         --sp;
3438                         sp [-1].data.l = (guint64)sp [-1].data.l >> sp [0].data.i;
3439                         ++ip;
3440                         MINT_IN_BREAK;
3441                 MINT_IN_CASE(MINT_NEG_I4)
3442                         sp [-1].data.i = - sp [-1].data.i;
3443                         ++ip;
3444                         MINT_IN_BREAK;
3445                 MINT_IN_CASE(MINT_NEG_I8)
3446                         sp [-1].data.l = - sp [-1].data.l;
3447                         ++ip;
3448                         MINT_IN_BREAK;
3449                 MINT_IN_CASE(MINT_NEG_R8)
3450                         sp [-1].data.f = - sp [-1].data.f;
3451                         ++ip;
3452                         MINT_IN_BREAK;
3453                 MINT_IN_CASE(MINT_NOT_I4)
3454                         sp [-1].data.i = ~ sp [-1].data.i;
3455                         ++ip;
3456                         MINT_IN_BREAK;
3457                 MINT_IN_CASE(MINT_NOT_I8)
3458                         sp [-1].data.l = ~ sp [-1].data.l;
3459                         ++ip;
3460                         MINT_IN_BREAK;
3461                 MINT_IN_CASE(MINT_CONV_I1_I4)
3462                         sp [-1].data.i = (gint8)sp [-1].data.i;
3463                         ++ip;
3464                         MINT_IN_BREAK;
3465                 MINT_IN_CASE(MINT_CONV_I1_I8)
3466                         sp [-1].data.i = (gint8)sp [-1].data.l;
3467                         ++ip;
3468                         MINT_IN_BREAK;
3469                 MINT_IN_CASE(MINT_CONV_I1_R8)
3470                         sp [-1].data.i = (gint8)sp [-1].data.f;
3471                         ++ip;
3472                         MINT_IN_BREAK;
3473                 MINT_IN_CASE(MINT_CONV_U1_I4)
3474                         sp [-1].data.i = (guint8)sp [-1].data.i;
3475                         ++ip;
3476                         MINT_IN_BREAK;
3477                 MINT_IN_CASE(MINT_CONV_U1_I8)
3478                         sp [-1].data.i = (guint8)sp [-1].data.l;
3479                         ++ip;
3480                         MINT_IN_BREAK;
3481                 MINT_IN_CASE(MINT_CONV_U1_R8)
3482                         sp [-1].data.i = (guint8)sp [-1].data.f;
3483                         ++ip;
3484                         MINT_IN_BREAK;
3485                 MINT_IN_CASE(MINT_CONV_I2_I4)
3486                         sp [-1].data.i = (gint16)sp [-1].data.i;
3487                         ++ip;
3488                         MINT_IN_BREAK;
3489                 MINT_IN_CASE(MINT_CONV_I2_I8)
3490                         sp [-1].data.i = (gint16)sp [-1].data.l;
3491                         ++ip;
3492                         MINT_IN_BREAK;
3493                 MINT_IN_CASE(MINT_CONV_I2_R8)
3494                         sp [-1].data.i = (gint16)sp [-1].data.f;
3495                         ++ip;
3496                         MINT_IN_BREAK;
3497                 MINT_IN_CASE(MINT_CONV_U2_I4)
3498                         sp [-1].data.i = (guint16)sp [-1].data.i;
3499                         ++ip;
3500                         MINT_IN_BREAK;
3501                 MINT_IN_CASE(MINT_CONV_U2_I8)
3502                         sp [-1].data.i = (guint16)sp [-1].data.l;
3503                         ++ip;
3504                         MINT_IN_BREAK;
3505                 MINT_IN_CASE(MINT_CONV_U2_R8)
3506                         sp [-1].data.i = (guint16)sp [-1].data.f;
3507                         ++ip;
3508                         MINT_IN_BREAK;
3509                 MINT_IN_CASE(MINT_CONV_I4_R8)
3510                         sp [-1].data.i = (gint32)sp [-1].data.f;
3511                         ++ip;
3512                         MINT_IN_BREAK;
3513                 MINT_IN_CASE(MINT_CONV_U4_I8)
3514                 MINT_IN_CASE(MINT_CONV_I4_I8)
3515                         sp [-1].data.i = (gint32)sp [-1].data.l;
3516                         ++ip;
3517                         MINT_IN_BREAK;
3518                 MINT_IN_CASE(MINT_CONV_I4_I8_SP)
3519                         sp [-2].data.i = (gint32)sp [-2].data.l;
3520                         ++ip;
3521                         MINT_IN_BREAK;
3522                 MINT_IN_CASE(MINT_CONV_U4_R8)
3523                         /* needed on arm64 */
3524                         if (isinf (sp [-1].data.f))
3525                                 sp [-1].data.i = 0;
3526                         else
3527                                 sp [-1].data.i = (guint32)sp [-1].data.f;
3528                         ++ip;
3529                         MINT_IN_BREAK;
3530                 MINT_IN_CASE(MINT_CONV_I8_I4)
3531                         sp [-1].data.l = sp [-1].data.i;
3532                         ++ip;
3533                         MINT_IN_BREAK;
3534                 MINT_IN_CASE(MINT_CONV_I8_I4_SP)
3535                         sp [-2].data.l = sp [-2].data.i;
3536                         ++ip;
3537                         MINT_IN_BREAK;
3538                 MINT_IN_CASE(MINT_CONV_I8_U4)
3539                         sp [-1].data.l = (guint32)sp [-1].data.i;
3540                         ++ip;
3541                         MINT_IN_BREAK;
3542                 MINT_IN_CASE(MINT_CONV_I8_R8)
3543                         sp [-1].data.l = (gint64)sp [-1].data.f;
3544                         ++ip;
3545                         MINT_IN_BREAK;
3546                 MINT_IN_CASE(MINT_CONV_R4_I4)
3547                         sp [-1].data.f = (float)sp [-1].data.i;
3548                         ++ip;
3549                         MINT_IN_BREAK;
3550                 MINT_IN_CASE(MINT_CONV_R4_I8)
3551                         sp [-1].data.f = (float)sp [-1].data.l;
3552                         ++ip;
3553                         MINT_IN_BREAK;
3554                 MINT_IN_CASE(MINT_CONV_R4_R8)
3555                         sp [-1].data.f = (float)sp [-1].data.f;
3556                         ++ip;
3557                         MINT_IN_BREAK;
3558                 MINT_IN_CASE(MINT_CONV_R8_I4)
3559                         sp [-1].data.f = (double)sp [-1].data.i;
3560                         ++ip;
3561                         MINT_IN_BREAK;
3562                 MINT_IN_CASE(MINT_CONV_R8_I8)
3563                         sp [-1].data.f = (double)sp [-1].data.l;
3564                         ++ip;
3565                         MINT_IN_BREAK;
3566                 MINT_IN_CASE(MINT_CONV_U8_I4)
3567                         sp [-1].data.l = sp [-1].data.i & 0xffffffff;
3568                         ++ip;
3569                         MINT_IN_BREAK;
3570                 MINT_IN_CASE(MINT_CONV_U8_R8)
3571                         sp [-1].data.l = (guint64)sp [-1].data.f;
3572                         ++ip;
3573                         MINT_IN_BREAK;
3574                 MINT_IN_CASE(MINT_CPOBJ) {
3575                         c = rtm->data_items[* (guint16 *)(ip + 1)];
3576                         g_assert (c->valuetype);
3577                         /* if this assertion fails, we need to add a write barrier */
3578                         g_assert (!MONO_TYPE_IS_REFERENCE (&c->byval_arg));
3579                         if (c->byval_arg.type == MONO_TYPE_VALUETYPE)
3580                                 stackval_from_data (&c->byval_arg, &sp [-2], sp [-1].data.p, FALSE);
3581                         else
3582                                 stackval_from_data (&c->byval_arg, sp [-2].data.p, sp [-1].data.p, FALSE);
3583                         ip += 2;
3584                         sp -= 2;
3585                         MINT_IN_BREAK;
3586                 }
3587                 MINT_IN_CASE(MINT_LDOBJ) {
3588                         void *p;
3589                         c = rtm->data_items[* (guint16 *)(ip + 1)];
3590                         ip += 2;
3591                         p = sp [-1].data.p;
3592                         if (c->byval_arg.type == MONO_TYPE_VALUETYPE && !c->enumtype) {
3593                                 int size = mono_class_value_size (c, NULL);
3594                                 sp [-1].data.p = vt_sp;
3595                                 vt_sp += (size + 7) & ~7;
3596                         }
3597                         stackval_from_data (&c->byval_arg, &sp [-1], p, FALSE);
3598                         MINT_IN_BREAK;
3599                 }
3600                 MINT_IN_CASE(MINT_LDSTR)
3601                         sp->data.p = rtm->data_items [* (guint16 *)(ip + 1)];
3602                         ++sp;
3603                         ip += 2;
3604                         MINT_IN_BREAK;
3605                 MINT_IN_CASE(MINT_NEWOBJ) {
3606                         MonoClass *newobj_class;
3607                         MonoMethodSignature *csig;
3608                         stackval valuetype_this;
3609                         guint32 token;
3610                         stackval retval;
3611
3612                         frame->ip = ip;
3613
3614                         token = * (guint16 *)(ip + 1);
3615                         ip += 2;
3616
3617                         child_frame.ip = NULL;
3618                         child_frame.ex = NULL;
3619
3620                         child_frame.runtime_method = rtm->data_items [token];
3621                         csig = mono_method_signature (child_frame.runtime_method->method);
3622                         newobj_class = child_frame.runtime_method->method->klass;
3623                         /*if (profiling_classes) {
3624                                 guint count = GPOINTER_TO_UINT (g_hash_table_lookup (profiling_classes, newobj_class));
3625                                 count++;
3626                                 g_hash_table_insert (profiling_classes, newobj_class, GUINT_TO_POINTER (count));
3627                         }*/
3628
3629                         if (newobj_class->parent == mono_defaults.array_class) {
3630                                 sp -= csig->param_count;
3631                                 child_frame.stack_args = sp;
3632                                 o = ves_array_create (&child_frame, rtm->domain, newobj_class, csig, sp);
3633                                 if (child_frame.ex)
3634                                         THROW_EX (child_frame.ex, ip);
3635                                 goto array_constructed;
3636                         }
3637
3638                         g_assert (csig->hasthis);
3639                         if (csig->param_count) {
3640                                 sp -= csig->param_count;
3641                                 memmove (sp + 1, sp, csig->param_count * sizeof (stackval));
3642                         }
3643                         child_frame.stack_args = sp;
3644
3645                         /*
3646                          * First arg is the object.
3647                          */
3648                         if (newobj_class->valuetype) {
3649                                 MonoType *t = &newobj_class->byval_arg;
3650                                 memset (&valuetype_this, 0, sizeof (stackval));
3651                                 if (!newobj_class->enumtype && (t->type == MONO_TYPE_VALUETYPE || (t->type == MONO_TYPE_GENERICINST && mono_type_generic_inst_is_valuetype (t)))) {
3652                                         sp->data.p = vt_sp;
3653                                         valuetype_this.data.p = vt_sp;
3654                                 } else {
3655                                         sp->data.p = &valuetype_this;
3656                                 }
3657                         } else {
3658                                 if (newobj_class != mono_defaults.string_class) {
3659                                         context->managed_code = 0;
3660                                         o = mono_object_new_checked (rtm->domain, newobj_class, &error);
3661                                         mono_error_cleanup (&error); /* FIXME: don't swallow the error */
3662                                         context->managed_code = 1;
3663                                         if (*mono_thread_interruption_request_flag ())
3664                                                 mono_thread_interruption_checkpoint ();
3665                                         sp->data.p = o;
3666                                 } else {
3667                                         sp->data.p = NULL;
3668                                         child_frame.retval = &retval;
3669                                 }
3670                         }
3671
3672                         g_assert (csig->call_convention == MONO_CALL_DEFAULT);
3673
3674                         ves_exec_method_with_context (&child_frame, context, NULL, NULL, -1);
3675
3676                         context->current_frame = frame;
3677
3678                         if (context->has_resume_state) {
3679                                 if (frame == context->handler_frame)
3680                                         SET_RESUME_STATE (context);
3681                                 else
3682                                         goto exit_frame;
3683                         }
3684
3685                         if (child_frame.ex) {
3686                                 /*
3687                                  * An exception occurred, need to run finally, fault and catch handlers..
3688                                  */
3689                                 frame->ex = child_frame.ex;
3690                                 goto handle_finally;
3691                         }
3692                         /*
3693                          * a constructor returns void, but we need to return the object we created
3694                          */
3695 array_constructed:
3696                         if (newobj_class->valuetype && !newobj_class->enumtype) {
3697                                 *sp = valuetype_this;
3698                         } else if (newobj_class == mono_defaults.string_class) {
3699                                 *sp = retval;
3700                         } else {
3701                                 sp->data.p = o;
3702                         }
3703                         ++sp;
3704                         MINT_IN_BREAK;
3705                 }
3706                 MINT_IN_CASE(MINT_CASTCLASS)
3707                         c = rtm->data_items [*(guint16 *)(ip + 1)];
3708                         if ((o = sp [-1].data.p)) {
3709                                 MonoObject *isinst_obj = mono_object_isinst_checked (o, c, &error);
3710                                 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
3711                                 if (!isinst_obj)
3712                                         THROW_EX (mono_get_exception_invalid_cast (), ip);
3713                         }
3714                         ip += 2;
3715                         MINT_IN_BREAK;
3716                 MINT_IN_CASE(MINT_ISINST)
3717                         c = rtm->data_items [*(guint16 *)(ip + 1)];
3718                         if ((o = sp [-1].data.p)) {
3719                                 MonoObject *isinst_obj = mono_object_isinst_checked (o, c, &error);
3720                                 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
3721                                 if (!isinst_obj)
3722                                         sp [-1].data.p = NULL;
3723                         }
3724                         ip += 2;
3725                         MINT_IN_BREAK;
3726                 MINT_IN_CASE(MINT_CONV_R_UN_I4)
3727                         sp [-1].data.f = (double)(guint32)sp [-1].data.i;
3728                         ++ip;
3729                         MINT_IN_BREAK;
3730                 MINT_IN_CASE(MINT_CONV_R_UN_I8)
3731                         sp [-1].data.f = (double)(guint64)sp [-1].data.l;
3732                         ++ip;
3733                         MINT_IN_BREAK;
3734                 MINT_IN_CASE(MINT_UNBOX)
3735                         c = rtm->data_items[*(guint16 *)(ip + 1)];
3736
3737                         o = sp [-1].data.p;
3738                         if (!o)
3739                                 THROW_EX (mono_get_exception_null_reference (), ip);
3740
3741                         MonoObject *isinst_obj = mono_object_isinst_checked (o, c, &error);
3742                         mono_error_cleanup (&error); /* FIXME: don't swallow the error */
3743                         if (!(isinst_obj || ((o->vtable->klass->rank == 0) && (o->vtable->klass->element_class == c->element_class))))
3744                                 THROW_EX (mono_get_exception_invalid_cast (), ip);
3745
3746                         sp [-1].data.p = mono_object_unbox (o);
3747                         ip += 2;
3748                         MINT_IN_BREAK;
3749                 MINT_IN_CASE(MINT_THROW)
3750                         --sp;
3751                         frame->ex_handler = NULL;
3752                         if (!sp->data.p)
3753                                 sp->data.p = mono_get_exception_null_reference ();
3754
3755                         THROW_EX ((MonoException *)sp->data.p, ip);
3756                         MINT_IN_BREAK;
3757                 MINT_IN_CASE(MINT_LDFLDA_UNSAFE)
3758                         o = sp [-1].data.p;
3759                         sp[-1].data.p = (char *)o + * (guint16 *)(ip + 1);
3760                         ip += 2;
3761                         MINT_IN_BREAK;
3762                 MINT_IN_CASE(MINT_LDFLDA)
3763                         o = sp [-1].data.p;
3764                         if (!o)
3765                                 THROW_EX (mono_get_exception_null_reference (), ip);
3766                         sp[-1].data.p = (char *)o + * (guint16 *)(ip + 1);
3767                         ip += 2;
3768                         MINT_IN_BREAK;
3769                 MINT_IN_CASE(MINT_CKNULL)
3770                         o = sp [-1].data.p;
3771                         if (!o)
3772                                 THROW_EX (mono_get_exception_null_reference (), ip);
3773                         ++ip;
3774                         MINT_IN_BREAK;
3775
3776 #define LDFLD(datamem, fieldtype) \
3777         o = sp [-1].data.p; \
3778         if (!o) \
3779                 THROW_EX (mono_get_exception_null_reference (), ip); \
3780         sp[-1].data.datamem = * (fieldtype *)((char *)o + * (guint16 *)(ip + 1)) ; \
3781         ip += 2;
3782
3783                 MINT_IN_CASE(MINT_LDFLD_I1) LDFLD(i, gint8); MINT_IN_BREAK;
3784                 MINT_IN_CASE(MINT_LDFLD_U1) LDFLD(i, guint8); MINT_IN_BREAK;
3785                 MINT_IN_CASE(MINT_LDFLD_I2) LDFLD(i, gint16); MINT_IN_BREAK;
3786                 MINT_IN_CASE(MINT_LDFLD_U2) LDFLD(i, guint16); MINT_IN_BREAK;
3787                 MINT_IN_CASE(MINT_LDFLD_I4) LDFLD(i, gint32); MINT_IN_BREAK;
3788                 MINT_IN_CASE(MINT_LDFLD_I8) LDFLD(l, gint64); MINT_IN_BREAK;
3789                 MINT_IN_CASE(MINT_LDFLD_R4) LDFLD(f, float); MINT_IN_BREAK;
3790                 MINT_IN_CASE(MINT_LDFLD_R8) LDFLD(f, double); MINT_IN_BREAK;
3791                 MINT_IN_CASE(MINT_LDFLD_O) LDFLD(p, gpointer); MINT_IN_BREAK;
3792                 MINT_IN_CASE(MINT_LDFLD_P) LDFLD(p, gpointer); MINT_IN_BREAK;
3793
3794                 MINT_IN_CASE(MINT_LDFLD_VT)
3795                         o = sp [-1].data.p;
3796                         if (!o)
3797                                 THROW_EX (mono_get_exception_null_reference (), ip);
3798                         i32 = READ32(ip + 2);
3799                         sp [-1].data.p = vt_sp;
3800                         memcpy(sp [-1].data.p, (char *)o + * (guint16 *)(ip + 1), i32);
3801                         vt_sp += (i32 + 7) & ~7;
3802                         ip += 4;
3803                         MINT_IN_BREAK;
3804
3805                 MINT_IN_CASE(MINT_LDRMFLD) {
3806                         gpointer tmp;
3807                         MonoClassField *field;
3808                         char *addr;
3809
3810                         o = sp [-1].data.p;
3811                         if (!o)
3812                                 THROW_EX (mono_get_exception_null_reference (), ip);
3813                         field = rtm->data_items[* (guint16 *)(ip + 1)];
3814                         ip += 2;
3815 #ifndef DISABLE_REMOTING
3816                         if (mono_object_is_transparent_proxy (o)) {
3817                                 MonoClass *klass = ((MonoTransparentProxy*)o)->remote_class->proxy_class;
3818
3819                                 addr = mono_load_remote_field_checked (o, klass, field, &tmp, &error);
3820                                 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
3821                         } else
3822 #endif
3823                                 addr = (char*)o + field->offset;
3824
3825                         stackval_from_data (field->type, &sp [-1], addr, FALSE);
3826                         MINT_IN_BREAK;
3827                 }
3828
3829                 MINT_IN_CASE(MINT_LDRMFLD_VT) {
3830                         MonoClassField *field;
3831                         char *addr;
3832                         gpointer tmp;
3833
3834                         o = sp [-1].data.p;
3835                         if (!o)
3836                                 THROW_EX (mono_get_exception_null_reference (), ip);
3837                         field = rtm->data_items[* (guint16 *)(ip + 1)];
3838                         i32 = READ32(ip + 2);
3839                         ip += 4;
3840 #ifndef DISABLE_REMOTING
3841                         if (mono_object_is_transparent_proxy (o)) {
3842                                 MonoClass *klass = ((MonoTransparentProxy*)o)->remote_class->proxy_class;
3843                                 addr = mono_load_remote_field_checked (o, klass, field, &tmp, &error);
3844                                 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
3845                         } else
3846 #endif
3847                                 addr = (char*)o + field->offset;
3848
3849                         sp [-1].data.p = vt_sp;
3850                         memcpy(sp [-1].data.p, (char *)o + * (guint16 *)(ip + 1), i32);
3851                         vt_sp += (i32 + 7) & ~7;
3852                         memcpy(sp [-1].data.p, addr, i32);
3853                         MINT_IN_BREAK;
3854                 }
3855
3856 #define STFLD(datamem, fieldtype) \
3857         o = sp [-2].data.p; \
3858         if (!o) \
3859                 THROW_EX (mono_get_exception_null_reference (), ip); \
3860         sp -= 2; \
3861         * (fieldtype *)((char *)o + * (guint16 *)(ip + 1)) = sp[1].data.datamem; \
3862         ip += 2;
3863
3864                 MINT_IN_CASE(MINT_STFLD_I1) STFLD(i, gint8); MINT_IN_BREAK;
3865                 MINT_IN_CASE(MINT_STFLD_U1) STFLD(i, guint8); MINT_IN_BREAK;
3866                 MINT_IN_CASE(MINT_STFLD_I2) STFLD(i, gint16); MINT_IN_BREAK;
3867                 MINT_IN_CASE(MINT_STFLD_U2) STFLD(i, guint16); MINT_IN_BREAK;
3868                 MINT_IN_CASE(MINT_STFLD_I4) STFLD(i, gint32); MINT_IN_BREAK;
3869                 MINT_IN_CASE(MINT_STFLD_I8) STFLD(l, gint64); MINT_IN_BREAK;
3870                 MINT_IN_CASE(MINT_STFLD_R4) STFLD(f, float); MINT_IN_BREAK;
3871                 MINT_IN_CASE(MINT_STFLD_R8) STFLD(f, double); MINT_IN_BREAK;
3872                 MINT_IN_CASE(MINT_STFLD_P) STFLD(p, gpointer); MINT_IN_BREAK;
3873                 MINT_IN_CASE(MINT_STFLD_O)
3874                         o = sp [-2].data.p;
3875                         if (!o)
3876                                 THROW_EX (mono_get_exception_null_reference (), ip);
3877                         sp -= 2;
3878                         mono_gc_wbarrier_set_field (o, (char *) o + * (guint16 *)(ip + 1), sp [1].data.p);
3879                         ip += 2;
3880                         MINT_IN_BREAK;
3881
3882                 MINT_IN_CASE(MINT_STFLD_VT)
3883                         o = sp [-2].data.p;
3884                         if (!o)
3885                                 THROW_EX (mono_get_exception_null_reference (), ip);
3886                         i32 = READ32(ip + 2);
3887                         sp -= 2;
3888                         memcpy((char *)o + * (guint16 *)(ip + 1), sp [1].data.p, i32);
3889                         vt_sp -= (i32 + 7) & ~7;
3890                         ip += 4;
3891                         MINT_IN_BREAK;
3892
3893                 MINT_IN_CASE(MINT_STRMFLD) {
3894                         MonoClassField *field;
3895
3896                         o = sp [-2].data.p;
3897                         if (!o)
3898                                 THROW_EX (mono_get_exception_null_reference (), ip);
3899
3900                         field = rtm->data_items[* (guint16 *)(ip + 1)];
3901                         ip += 2;
3902
3903 #ifndef DISABLE_REMOTING
3904                         if (mono_object_is_transparent_proxy (o)) {
3905                                 MonoClass *klass = ((MonoTransparentProxy*)o)->remote_class->proxy_class;
3906                                 mono_store_remote_field_checked (o, klass, field, &sp [-1].data, &error);
3907                                 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
3908                         } else
3909 #endif
3910                                 stackval_to_data (field->type, &sp [-1], (char*)o + field->offset, FALSE);
3911
3912                         sp -= 2;
3913                         MINT_IN_BREAK;
3914                 }
3915                 MINT_IN_CASE(MINT_STRMFLD_VT) {
3916                         MonoClassField *field;
3917
3918                         o = sp [-2].data.p;
3919                         if (!o)
3920                                 THROW_EX (mono_get_exception_null_reference (), ip);
3921                         field = rtm->data_items[* (guint16 *)(ip + 1)];
3922                         i32 = READ32(ip + 2);
3923                         ip += 4;
3924
3925 #ifndef DISABLE_REMOTING
3926                         if (mono_object_is_transparent_proxy (o)) {
3927                                 MonoClass *klass = ((MonoTransparentProxy*)o)->remote_class->proxy_class;
3928                                 mono_store_remote_field_checked (o, klass, field, &sp [-1].data, &error);
3929                                 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
3930                         } else
3931 #endif
3932                                 memcpy((char*)o + field->offset, sp [-1].data.p, i32);
3933
3934                         sp -= 2;
3935                         vt_sp -= (i32 + 7) & ~7;
3936                         MINT_IN_BREAK;
3937                 }
3938                 MINT_IN_CASE(MINT_LDSFLDA) {
3939                         MonoClassField *field = rtm->data_items[*(guint16 *)(ip + 1)];
3940                         sp->data.p = mono_class_static_field_address (rtm->domain, field);
3941                         ip += 2;
3942                         ++sp;
3943                         MINT_IN_BREAK;
3944                 }
3945                 MINT_IN_CASE(MINT_LDSFLD) {
3946                         MonoClassField *field = rtm->data_items [* (guint16 *)(ip + 1)];
3947                         gpointer addr = mono_class_static_field_address (rtm->domain, field);
3948                         stackval_from_data (field->type, sp, addr, FALSE);
3949                         ip += 2;
3950                         ++sp;
3951                         MINT_IN_BREAK;
3952                 }
3953                 MINT_IN_CASE(MINT_LDSFLD_VT) {
3954                         MonoClassField *field = rtm->data_items [* (guint16 *)(ip + 1)];
3955                         gpointer addr = mono_class_static_field_address (rtm->domain, field);
3956                         int size = READ32 (ip + 2);
3957                         ip += 4;
3958
3959                         sp->data.p = vt_sp;
3960                         vt_sp += (size + 7) & ~7;
3961                         stackval_from_data (field->type, sp, addr, FALSE);
3962                         ++sp;
3963                         MINT_IN_BREAK;
3964                 }
3965                 MINT_IN_CASE(MINT_STSFLD) {
3966                         MonoClassField *field = rtm->data_items [* (guint16 *)(ip + 1)];
3967                         gpointer addr = mono_class_static_field_address (rtm->domain, field);
3968                         ip += 2;
3969                         --sp;
3970                         stackval_to_data (field->type, sp, addr, FALSE);
3971                         MINT_IN_BREAK;
3972                 }
3973                 MINT_IN_CASE(MINT_STSFLD_VT) {
3974                         MonoClassField *field = rtm->data_items [* (guint16 *)(ip + 1)];
3975                         gpointer addr = mono_class_static_field_address (rtm->domain, field);
3976                         int size = READ32 (ip + 2);
3977                         ip += 4;
3978
3979                         --sp;
3980                         stackval_to_data (field->type, sp, addr, FALSE);
3981                         vt_sp -= (size + 7) & ~7;
3982                         MINT_IN_BREAK;
3983                 }
3984                 MINT_IN_CASE(MINT_STOBJ_VT) {
3985                         int size;
3986                         c = rtm->data_items[* (guint16 *)(ip + 1)];
3987                         ip += 2;
3988                         size = mono_class_value_size (c, NULL);
3989                         memcpy(sp [-2].data.p, sp [-1].data.p, size);
3990                         vt_sp -= (size + 7) & ~7;
3991                         sp -= 2;
3992                         MINT_IN_BREAK;
3993                 }
3994                 MINT_IN_CASE(MINT_STOBJ) {
3995                         c = rtm->data_items[* (guint16 *)(ip + 1)];
3996                         ip += 2;
3997
3998                         g_assert (!c->byval_arg.byref);
3999                         if (MONO_TYPE_IS_REFERENCE (&c->byval_arg))
4000                                 mono_gc_wbarrier_generic_store (sp [-2].data.p, sp [-1].data.p);
4001                         else
4002                                 stackval_from_data (&c->byval_arg, sp [-2].data.p, (char *) &sp [-1].data.p, FALSE);
4003                         sp -= 2;
4004                         MINT_IN_BREAK;
4005                 }
4006                 MINT_IN_CASE(MINT_CONV_OVF_I4_UN_R8)
4007                         if (sp [-1].data.f < 0 || sp [-1].data.f > MYGUINT32_MAX)
4008                                 THROW_EX (mono_get_exception_overflow (), ip);
4009                         sp [-1].data.i = (guint32)sp [-1].data.f;
4010                         ++ip;
4011                         MINT_IN_BREAK;
4012                 MINT_IN_CASE(MINT_CONV_OVF_U8_I4)
4013                         if (sp [-1].data.i < 0)
4014                                 THROW_EX (mono_get_exception_overflow (), ip);
4015                         sp [-1].data.l = sp [-1].data.i;
4016                         ++ip;
4017                         MINT_IN_BREAK;
4018                 MINT_IN_CASE(MINT_CONV_OVF_U8_I8)
4019                         if (sp [-1].data.l < 0)
4020                                 THROW_EX (mono_get_exception_overflow (), ip);
4021                         ++ip;
4022                         MINT_IN_BREAK;
4023                 MINT_IN_CASE(MINT_CONV_OVF_I8_U8)
4024                         if ((guint64) sp [-1].data.l > MYGINT64_MAX)
4025                                 THROW_EX (mono_get_exception_overflow (), ip);
4026                         ++ip;
4027                         MINT_IN_BREAK;
4028                 MINT_IN_CASE(MINT_CONV_OVF_U8_R8)
4029                 MINT_IN_CASE(MINT_CONV_OVF_I8_UN_R8)
4030                         if (sp [-1].data.f < 0 || sp [-1].data.f > MYGINT64_MAX)
4031                                 THROW_EX (mono_get_exception_overflow (), ip);
4032                         sp [-1].data.l = (guint64)sp [-1].data.f;
4033                         ++ip;
4034                         MINT_IN_BREAK;
4035                 MINT_IN_CASE(MINT_CONV_OVF_I8_R8)
4036                         if (sp [-1].data.f < MYGINT64_MIN || sp [-1].data.f > MYGINT64_MAX)
4037                                 THROW_EX (mono_get_exception_overflow (), ip);
4038                         sp [-1].data.l = (gint64)sp [-1].data.f;
4039                         ++ip;
4040                         MINT_IN_BREAK;
4041                 MINT_IN_CASE(MINT_CONV_OVF_I4_UN_I8)
4042                         if ((mono_u)sp [-1].data.l > MYGUINT32_MAX)
4043                                 THROW_EX (mono_get_exception_overflow (), ip);
4044                         sp [-1].data.i = (mono_u)sp [-1].data.l;
4045                         ++ip;
4046                         MINT_IN_BREAK;
4047                 MINT_IN_CASE(MINT_BOX) {
4048                         c = rtm->data_items [* (guint16 *)(ip + 1)];
4049                         guint16 offset = * (guint16 *)(ip + 2);
4050
4051                         if (c->byval_arg.type == MONO_TYPE_VALUETYPE && !c->enumtype) {
4052                                 int size = mono_class_value_size (c, NULL);
4053                                 sp [-1 - offset].data.p = mono_value_box_checked (rtm->domain, c, sp [-1 - offset].data.p, &error);
4054                                 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
4055                                 size = (size + 7) & ~7;
4056                                 vt_sp -= size;
4057                         } else {
4058                                 stackval_to_data (&c->byval_arg, &sp [-1 - offset], (char *) &sp [-1 - offset], FALSE);
4059                                 sp [-1 - offset].data.p = mono_value_box_checked (rtm->domain, c, &sp [-1 - offset], &error);
4060                                 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
4061                         }
4062                         ip += 3;
4063                         MINT_IN_BREAK;
4064                 }
4065                 MINT_IN_CASE(MINT_NEWARR)
4066                         sp [-1].data.p = (MonoObject*) mono_array_new_checked (rtm->domain, rtm->data_items[*(guint16 *)(ip + 1)], sp [-1].data.i, &error);
4067                         if (!mono_error_ok (&error)) {
4068                                 THROW_EX (mono_error_convert_to_exception (&error), ip);
4069                         }
4070                         mono_error_cleanup (&error); /* FIXME: don't swallow the error */
4071                         ip += 2;
4072                         /*if (profiling_classes) {
4073                                 guint count = GPOINTER_TO_UINT (g_hash_table_lookup (profiling_classes, o->vtable->klass));
4074                                 count++;
4075                                 g_hash_table_insert (profiling_classes, o->vtable->klass, GUINT_TO_POINTER (count));
4076                         }*/
4077
4078                         MINT_IN_BREAK;
4079                 MINT_IN_CASE(MINT_LDLEN)
4080                         o = sp [-1].data.p;
4081                         if (!o)
4082                                 THROW_EX (mono_get_exception_null_reference (), ip);
4083                         sp [-1].data.nati = mono_array_length ((MonoArray *)o);
4084                         ++ip;
4085                         MINT_IN_BREAK;
4086                 MINT_IN_CASE(MINT_GETCHR) {
4087                         MonoString *s;
4088                         s = sp [-2].data.p;
4089                         if (!s)
4090                                 THROW_EX (mono_get_exception_null_reference (), ip);
4091                         i32 = sp [-1].data.i;
4092                         if (i32 < 0 || i32 >= mono_string_length (s))
4093                                 THROW_EX (mono_get_exception_index_out_of_range (), ip);
4094                         --sp;
4095                         sp [-1].data.i = mono_string_chars(s)[i32];
4096                         ++ip;
4097                         MINT_IN_BREAK;
4098                 }
4099                 MINT_IN_CASE(MINT_STRLEN)
4100                         ++ip;
4101                         o = sp [-1].data.p;
4102                         if (!o)
4103                                 THROW_EX (mono_get_exception_null_reference (), ip);
4104                         sp [-1].data.i = mono_string_length ((MonoString*) o);
4105                         MINT_IN_BREAK;
4106                 MINT_IN_CASE(MINT_ARRAY_RANK)
4107                         o = sp [-1].data.p;
4108                         if (!o)
4109                                 THROW_EX (mono_get_exception_null_reference (), ip);
4110                         sp [-1].data.i = mono_object_class (sp [-1].data.p)->rank;
4111                         ip++;
4112                         MINT_IN_BREAK;
4113                 MINT_IN_CASE(MINT_LDELEMA)
4114                 MINT_IN_CASE(MINT_LDELEMA_TC) {
4115                         gboolean needs_typecheck = *ip == MINT_LDELEMA_TC;
4116
4117                         MonoClass *klass = rtm->data_items [*(guint16 *) (ip + 1)];
4118                         guint16 numargs = *(guint16 *) (ip + 2);
4119                         ip += 3;
4120                         sp -= numargs;
4121
4122                         o = sp [0].data.p;
4123                         sp->data.p = ves_array_element_address (frame, klass, (MonoArray *) o, &sp [1], needs_typecheck);
4124                         if (frame->ex)
4125                                 THROW_EX (frame->ex, ip);
4126                         ++sp;
4127
4128                         MINT_IN_BREAK;
4129                 }
4130                 MINT_IN_CASE(MINT_LDELEM_I1) /* fall through */
4131                 MINT_IN_CASE(MINT_LDELEM_U1) /* fall through */
4132                 MINT_IN_CASE(MINT_LDELEM_I2) /* fall through */
4133                 MINT_IN_CASE(MINT_LDELEM_U2) /* fall through */
4134                 MINT_IN_CASE(MINT_LDELEM_I4) /* fall through */
4135                 MINT_IN_CASE(MINT_LDELEM_U4) /* fall through */
4136                 MINT_IN_CASE(MINT_LDELEM_I8)  /* fall through */
4137                 MINT_IN_CASE(MINT_LDELEM_I)  /* fall through */
4138                 MINT_IN_CASE(MINT_LDELEM_R4) /* fall through */
4139                 MINT_IN_CASE(MINT_LDELEM_R8) /* fall through */
4140                 MINT_IN_CASE(MINT_LDELEM_REF) /* fall through */
4141                 MINT_IN_CASE(MINT_LDELEM_VT) {
4142                         MonoArray *o;
4143                         mono_u aindex;
4144
4145                         sp -= 2;
4146
4147                         o = sp [0].data.p;
4148                         if (!o)
4149                                 THROW_EX (mono_get_exception_null_reference (), ip);
4150
4151                         aindex = sp [1].data.i;
4152                         if (aindex >= mono_array_length (o))
4153                                 THROW_EX (mono_get_exception_index_out_of_range (), ip);
4154
4155                         /*
4156                          * FIXME: throw mono_get_exception_array_type_mismatch () if needed
4157                          */
4158                         switch (*ip) {
4159                         case MINT_LDELEM_I1:
4160                                 sp [0].data.i = mono_array_get (o, gint8, aindex);
4161                                 break;
4162                         case MINT_LDELEM_U1:
4163                                 sp [0].data.i = mono_array_get (o, guint8, aindex);
4164                                 break;
4165                         case MINT_LDELEM_I2:
4166                                 sp [0].data.i = mono_array_get (o, gint16, aindex);
4167                                 break;
4168                         case MINT_LDELEM_U2:
4169                                 sp [0].data.i = mono_array_get (o, guint16, aindex);
4170                                 break;
4171                         case MINT_LDELEM_I:
4172                                 sp [0].data.nati = mono_array_get (o, mono_i, aindex);
4173                                 break;
4174                         case MINT_LDELEM_I4:
4175                                 sp [0].data.i = mono_array_get (o, gint32, aindex);
4176                                 break;
4177                         case MINT_LDELEM_U4:
4178                                 sp [0].data.i = mono_array_get (o, guint32, aindex);
4179                                 break;
4180                         case MINT_LDELEM_I8:
4181                                 sp [0].data.l = mono_array_get (o, guint64, aindex);
4182                                 break;
4183                         case MINT_LDELEM_R4:
4184                                 sp [0].data.f = mono_array_get (o, float, aindex);
4185                                 break;
4186                         case MINT_LDELEM_R8:
4187                                 sp [0].data.f = mono_array_get (o, double, aindex);
4188                                 break;
4189                         case MINT_LDELEM_REF:
4190                                 sp [0].data.p = mono_array_get (o, gpointer, aindex);
4191                                 break;
4192                         case MINT_LDELEM_VT: {
4193                                 MonoClass *klass_vt = rtm->data_items [*(guint16 *) (ip + 1)];
4194                                 i32 = READ32 (ip + 2);
4195                                 char *src_addr = mono_array_addr_with_size ((MonoArray *) o, i32, aindex);
4196                                 sp [0].data.vt = vt_sp;
4197                                 stackval_from_data (&klass_vt->byval_arg, sp, src_addr, FALSE);
4198                                 vt_sp += (i32 + 7) & ~7;
4199                                 ip += 3;
4200                                 break;
4201                         }
4202                         default:
4203                                 ves_abort();
4204                         }
4205
4206                         ++ip;
4207                         ++sp;
4208                         MINT_IN_BREAK;
4209                 }
4210                 MINT_IN_CASE(MINT_STELEM_I)  /* fall through */
4211                 MINT_IN_CASE(MINT_STELEM_I1) /* fall through */
4212                 MINT_IN_CASE(MINT_STELEM_U1) /* fall through */
4213                 MINT_IN_CASE(MINT_STELEM_I2) /* fall through */
4214                 MINT_IN_CASE(MINT_STELEM_U2) /* fall through */
4215                 MINT_IN_CASE(MINT_STELEM_I4) /* fall through */
4216                 MINT_IN_CASE(MINT_STELEM_I8) /* fall through */
4217                 MINT_IN_CASE(MINT_STELEM_R4) /* fall through */
4218                 MINT_IN_CASE(MINT_STELEM_R8) /* fall through */
4219                 MINT_IN_CASE(MINT_STELEM_REF) /* fall through */
4220                 MINT_IN_CASE(MINT_STELEM_VT) {
4221                         mono_u aindex;
4222
4223                         sp -= 3;
4224
4225                         o = sp [0].data.p;
4226                         if (!o)
4227                                 THROW_EX (mono_get_exception_null_reference (), ip);
4228
4229                         aindex = sp [1].data.i;
4230                         if (aindex >= mono_array_length ((MonoArray *)o))
4231                                 THROW_EX (mono_get_exception_index_out_of_range (), ip);
4232
4233                         switch (*ip) {
4234                         case MINT_STELEM_I:
4235                                 mono_array_set ((MonoArray *)o, mono_i, aindex, sp [2].data.nati);
4236                                 break;
4237                         case MINT_STELEM_I1:
4238                                 mono_array_set ((MonoArray *)o, gint8, aindex, sp [2].data.i);
4239                                 break;
4240                         case MINT_STELEM_U1:
4241                                 mono_array_set ((MonoArray *) o, guint8, aindex, sp [2].data.i);
4242                                 break;
4243                         case MINT_STELEM_I2:
4244                                 mono_array_set ((MonoArray *)o, gint16, aindex, sp [2].data.i);
4245                                 break;
4246                         case MINT_STELEM_U2:
4247                                 mono_array_set ((MonoArray *)o, guint16, aindex, sp [2].data.i);
4248                                 break;
4249                         case MINT_STELEM_I4:
4250                                 mono_array_set ((MonoArray *)o, gint32, aindex, sp [2].data.i);
4251                                 break;
4252                         case MINT_STELEM_I8:
4253                                 mono_array_set ((MonoArray *)o, gint64, aindex, sp [2].data.l);
4254                                 break;
4255                         case MINT_STELEM_R4:
4256                                 mono_array_set ((MonoArray *)o, float, aindex, sp [2].data.f);
4257                                 break;
4258                         case MINT_STELEM_R8:
4259                                 mono_array_set ((MonoArray *)o, double, aindex, sp [2].data.f);
4260                                 break;
4261                         case MINT_STELEM_REF: {
4262                                 MonoObject *isinst_obj = mono_object_isinst_checked (sp [2].data.p, mono_object_class (o)->element_class, &error);
4263                                 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
4264                                 if (sp [2].data.p && !isinst_obj)
4265                                         THROW_EX (mono_get_exception_array_type_mismatch (), ip);
4266                                 mono_array_setref ((MonoArray *) o, aindex, sp [2].data.p);
4267                                 break;
4268                         }
4269                         case MINT_STELEM_VT: {
4270                                 MonoClass *klass_vt = rtm->data_items [*(guint16 *) (ip + 1)];
4271                                 i32 = READ32 (ip + 2);
4272                                 char *dst_addr = mono_array_addr_with_size ((MonoArray *) o, i32, aindex);
4273
4274                                 stackval_to_data (&klass_vt->byval_arg, &sp [2], dst_addr, FALSE);
4275                                 vt_sp -= (i32 + 7) & ~7;
4276                                 ip += 3;
4277                                 break;
4278                         }
4279                         default:
4280                                 ves_abort();
4281                         }
4282
4283                         ++ip;
4284                         MINT_IN_BREAK;
4285                 }
4286                 MINT_IN_CASE(MINT_CONV_OVF_I4_U4)
4287                         if (sp [-1].data.i < 0)
4288                                 THROW_EX (mono_get_exception_overflow (), ip);
4289                         ++ip;
4290                         MINT_IN_BREAK;
4291                 MINT_IN_CASE(MINT_CONV_OVF_I4_I8)
4292                         if (sp [-1].data.l < MYGINT32_MIN || sp [-1].data.l > MYGINT32_MAX)
4293                                 THROW_EX (mono_get_exception_overflow (), ip);
4294                         sp [-1].data.i = (gint32) sp [-1].data.l;
4295                         ++ip;
4296                         MINT_IN_BREAK;
4297                 MINT_IN_CASE(MINT_CONV_OVF_I4_U8)
4298                         if (sp [-1].data.l < 0 || sp [-1].data.l > MYGINT32_MAX)
4299                                 THROW_EX (mono_get_exception_overflow (), ip);
4300                         sp [-1].data.i = (gint32) sp [-1].data.l;
4301                         ++ip;
4302                         MINT_IN_BREAK;
4303                 MINT_IN_CASE(MINT_CONV_OVF_I4_R8)
4304                         if (sp [-1].data.f < MYGINT32_MIN || sp [-1].data.f > MYGINT32_MAX)
4305                                 THROW_EX (mono_get_exception_overflow (), ip);
4306                         sp [-1].data.i = (gint32) sp [-1].data.f;
4307                         ++ip;
4308                         MINT_IN_BREAK;
4309                 MINT_IN_CASE(MINT_CONV_OVF_U4_I4)
4310                         if (sp [-1].data.i < 0)
4311                                 THROW_EX (mono_get_exception_overflow (), ip);
4312                         ++ip;
4313                         MINT_IN_BREAK;
4314                 MINT_IN_CASE(MINT_CONV_OVF_U4_I8)
4315                         if (sp [-1].data.l < 0 || sp [-1].data.l > MYGUINT32_MAX)
4316                                 THROW_EX (mono_get_exception_overflow (), ip);
4317                         sp [-1].data.i = (guint32) sp [-1].data.l;
4318                         ++ip;
4319                         MINT_IN_BREAK;
4320                 MINT_IN_CASE(MINT_CONV_OVF_U4_R8)
4321                         if (sp [-1].data.f < 0 || sp [-1].data.f > MYGUINT32_MAX)
4322                                 THROW_EX (mono_get_exception_overflow (), ip);
4323                         sp [-1].data.i = (guint32) sp [-1].data.f;
4324                         ++ip;
4325                         MINT_IN_BREAK;
4326                 MINT_IN_CASE(MINT_CONV_OVF_I2_I4)
4327                         if (sp [-1].data.i < -32768 || sp [-1].data.i > 32767)
4328                                 THROW_EX (mono_get_exception_overflow (), ip);
4329                         ++ip;
4330                         MINT_IN_BREAK;
4331                 MINT_IN_CASE(MINT_CONV_OVF_I2_I8)
4332                         if (sp [-1].data.l < -32768 || sp [-1].data.l > 32767)
4333                                 THROW_EX (mono_get_exception_overflow (), ip);
4334                         sp [-1].data.i = (gint16) sp [-1].data.l;
4335                         ++ip;
4336                         MINT_IN_BREAK;
4337                 MINT_IN_CASE(MINT_CONV_OVF_I2_R8)
4338                         if (sp [-1].data.f < -32768 || sp [-1].data.f > 32767)
4339                                 THROW_EX (mono_get_exception_overflow (), ip);
4340                         sp [-1].data.i = (gint16) sp [-1].data.f;
4341                         ++ip;
4342                         MINT_IN_BREAK;
4343                 MINT_IN_CASE(MINT_CONV_OVF_U2_I4)
4344                         if (sp [-1].data.i < 0 || sp [-1].data.i > 65535)
4345                                 THROW_EX (mono_get_exception_overflow (), ip);
4346                         ++ip;
4347                         MINT_IN_BREAK;
4348                 MINT_IN_CASE(MINT_CONV_OVF_U2_I8)
4349                         if (sp [-1].data.l < 0 || sp [-1].data.l > 65535)
4350                                 THROW_EX (mono_get_exception_overflow (), ip);
4351                         sp [-1].data.i = (guint16) sp [-1].data.l;
4352                         ++ip;
4353                         MINT_IN_BREAK;
4354                 MINT_IN_CASE(MINT_CONV_OVF_U2_R8)
4355                         if (sp [-1].data.f < 0 || sp [-1].data.f > 65535)
4356                                 THROW_EX (mono_get_exception_overflow (), ip);
4357                         sp [-1].data.i = (guint16) sp [-1].data.f;
4358                         ++ip;
4359                         MINT_IN_BREAK;
4360                 MINT_IN_CASE(MINT_CONV_OVF_I1_I4)
4361                         if (sp [-1].data.i < -128 || sp [-1].data.i > 127)
4362                                 THROW_EX (mono_get_exception_overflow (), ip);
4363                         ++ip;
4364                         MINT_IN_BREAK;
4365                 MINT_IN_CASE(MINT_CONV_OVF_I1_I8)
4366                         if (sp [-1].data.l < -128 || sp [-1].data.l > 127)
4367                                 THROW_EX (mono_get_exception_overflow (), ip);
4368                         sp [-1].data.i = (gint8) sp [-1].data.l;
4369                         ++ip;
4370                         MINT_IN_BREAK;
4371                 MINT_IN_CASE(MINT_CONV_OVF_I1_R8)
4372                         if (sp [-1].data.f < -128 || sp [-1].data.f > 127)
4373                                 THROW_EX (mono_get_exception_overflow (), ip);
4374                         sp [-1].data.i = (gint8) sp [-1].data.f;
4375                         ++ip;
4376                         MINT_IN_BREAK;
4377                 MINT_IN_CASE(MINT_CONV_OVF_U1_I4)
4378                         if (sp [-1].data.i < 0 || sp [-1].data.i > 255)
4379                                 THROW_EX (mono_get_exception_overflow (), ip);
4380                         ++ip;
4381                         MINT_IN_BREAK;
4382                 MINT_IN_CASE(MINT_CONV_OVF_U1_I8)
4383                         if (sp [-1].data.l < 0 || sp [-1].data.l > 255)
4384                                 THROW_EX (mono_get_exception_overflow (), ip);
4385                         sp [-1].data.i = (guint8) sp [-1].data.l;
4386                         ++ip;
4387                         MINT_IN_BREAK;
4388                 MINT_IN_CASE(MINT_CONV_OVF_U1_R8)
4389                         if (sp [-1].data.f < 0 || sp [-1].data.f > 255)
4390                                 THROW_EX (mono_get_exception_overflow (), ip);
4391                         sp [-1].data.i = (guint8) sp [-1].data.f;
4392                         ++ip;
4393                         MINT_IN_BREAK;
4394 #if 0
4395                 MINT_IN_CASE(MINT_LDELEM)
4396                 MINT_IN_CASE(MINT_STELEM)
4397                 MINT_IN_CASE(MINT_UNBOX_ANY)
4398 #endif
4399                 MINT_IN_CASE(MINT_CKFINITE)
4400                         if (!isfinite(sp [-1].data.f))
4401                                 THROW_EX (mono_get_exception_arithmetic (), ip);
4402                         ++ip;
4403                         MINT_IN_BREAK;
4404                 MINT_IN_CASE(MINT_MKREFANY) {
4405                         c = rtm->data_items [*(guint16 *)(ip + 1)];
4406
4407                         /* The value address is on the stack */
4408                         gpointer addr = sp [-1].data.p;
4409                         /* Push the typedref value on the stack */
4410                         sp [-1].data.p = vt_sp;
4411                         vt_sp += sizeof (MonoTypedRef);
4412
4413                         MonoTypedRef *tref = sp [-1].data.p;
4414                         tref->klass = c;
4415                         tref->type = &c->byval_arg;
4416                         tref->value = addr;
4417
4418                         ip += 2;
4419                         MINT_IN_BREAK;
4420                 }
4421                 MINT_IN_CASE(MINT_REFANYTYPE) {
4422                         MonoTypedRef *tref = sp [-1].data.p;
4423                         MonoType *type = tref->type;
4424
4425                         vt_sp -= sizeof (MonoTypedRef);
4426                         sp [-1].data.p = vt_sp;
4427                         vt_sp += 8;
4428                         *(gpointer*)sp [-1].data.p = type;
4429                         ip ++;
4430                         MINT_IN_BREAK;
4431                 }
4432                 MINT_IN_CASE(MINT_REFANYVAL) {
4433                         MonoTypedRef *tref = sp [-1].data.p;
4434                         gpointer addr = tref->value;
4435
4436                         vt_sp -= sizeof (MonoTypedRef);
4437
4438                         sp [-1].data.p = addr;
4439                         ip ++;
4440                         MINT_IN_BREAK;
4441                 }
4442                 MINT_IN_CASE(MINT_LDTOKEN)
4443                         sp->data.p = vt_sp;
4444                         vt_sp += 8;
4445                         * (gpointer *)sp->data.p = rtm->data_items[*(guint16 *)(ip + 1)];
4446                         ip += 2;
4447                         ++sp;
4448                         MINT_IN_BREAK;
4449                 MINT_IN_CASE(MINT_ADD_OVF_I4)
4450                         if (CHECK_ADD_OVERFLOW (sp [-2].data.i, sp [-1].data.i))
4451                                 THROW_EX (mono_get_exception_overflow (), ip);
4452                         BINOP(i, +);
4453                         MINT_IN_BREAK;
4454                 MINT_IN_CASE(MINT_ADD_OVF_I8)
4455                         if (CHECK_ADD_OVERFLOW64 (sp [-2].data.l, sp [-1].data.l))
4456                                 THROW_EX (mono_get_exception_overflow (), ip);
4457                         BINOP(l, +);
4458                         MINT_IN_BREAK;
4459                 MINT_IN_CASE(MINT_ADD_OVF_UN_I4)
4460                         if (CHECK_ADD_OVERFLOW_UN (sp [-2].data.i, sp [-1].data.i))
4461                                 THROW_EX (mono_get_exception_overflow (), ip);
4462                         BINOP_CAST(i, +, guint32);
4463                         MINT_IN_BREAK;
4464                 MINT_IN_CASE(MINT_ADD_OVF_UN_I8)
4465                         if (CHECK_ADD_OVERFLOW64_UN (sp [-2].data.l, sp [-1].data.l))
4466                                 THROW_EX (mono_get_exception_overflow (), ip);
4467                         BINOP_CAST(l, +, guint64);
4468                         MINT_IN_BREAK;
4469                 MINT_IN_CASE(MINT_MUL_OVF_I4)
4470                         if (CHECK_MUL_OVERFLOW (sp [-2].data.i, sp [-1].data.i))
4471                                 THROW_EX (mono_get_exception_overflow (), ip);
4472                         BINOP(i, *);
4473                         MINT_IN_BREAK;
4474                 MINT_IN_CASE(MINT_MUL_OVF_I8)
4475                         if (CHECK_MUL_OVERFLOW64 (sp [-2].data.l, sp [-1].data.l))
4476                                 THROW_EX (mono_get_exception_overflow (), ip);
4477                         BINOP(l, *);
4478                         MINT_IN_BREAK;
4479                 MINT_IN_CASE(MINT_MUL_OVF_UN_I4)
4480                         if (CHECK_MUL_OVERFLOW_UN (sp [-2].data.i, sp [-1].data.i))
4481                                 THROW_EX (mono_get_exception_overflow (), ip);
4482                         BINOP_CAST(i, *, guint32);
4483                         MINT_IN_BREAK;
4484                 MINT_IN_CASE(MINT_MUL_OVF_UN_I8)
4485                         if (CHECK_MUL_OVERFLOW64_UN (sp [-2].data.l, sp [-1].data.l))
4486                                 THROW_EX (mono_get_exception_overflow (), ip);
4487                         BINOP_CAST(l, *, guint64);
4488                         MINT_IN_BREAK;
4489                 MINT_IN_CASE(MINT_SUB_OVF_I4)
4490                         if (CHECK_SUB_OVERFLOW (sp [-2].data.i, sp [-1].data.i))
4491                                 THROW_EX (mono_get_exception_overflow (), ip);
4492                         BINOP(i, -);
4493                         MINT_IN_BREAK;
4494                 MINT_IN_CASE(MINT_SUB_OVF_I8)
4495                         if (CHECK_SUB_OVERFLOW64 (sp [-2].data.l, sp [-1].data.l))
4496                                 THROW_EX (mono_get_exception_overflow (), ip);
4497                         BINOP(l, -);
4498                         MINT_IN_BREAK;
4499                 MINT_IN_CASE(MINT_SUB_OVF_UN_I4)
4500                         if (CHECK_SUB_OVERFLOW_UN (sp [-2].data.i, sp [-1].data.i))
4501                                 THROW_EX (mono_get_exception_overflow (), ip);
4502                         BINOP_CAST(i, -, guint32);
4503                         MINT_IN_BREAK;
4504                 MINT_IN_CASE(MINT_SUB_OVF_UN_I8)
4505                         if (CHECK_SUB_OVERFLOW64_UN (sp [-2].data.l, sp [-1].data.l))
4506                                 THROW_EX (mono_get_exception_overflow (), ip);
4507                         BINOP_CAST(l, -, guint64);
4508                         MINT_IN_BREAK;
4509                 MINT_IN_CASE(MINT_ENDFINALLY)
4510                         ip ++;
4511                         int clause_index = *ip;
4512                         if (clause_index == exit_at_finally)
4513                                 goto exit_frame;
4514                         while (sp > frame->stack) {
4515                                 --sp;
4516                         }
4517                         if (finally_ips) {
4518                                 ip = finally_ips->data;
4519                                 finally_ips = g_slist_remove (finally_ips, ip);
4520                                 goto main_loop;
4521                         }
4522                         if (frame->ex)
4523                                 goto handle_fault;
4524                         ves_abort();
4525                         MINT_IN_BREAK;
4526                 MINT_IN_CASE(MINT_LEAVE) /* Fall through */
4527                 MINT_IN_CASE(MINT_LEAVE_S)
4528                         while (sp > frame->stack) {
4529                                 --sp;
4530                         }
4531                         frame->ip = ip;
4532                         if (*ip == MINT_LEAVE_S) {
4533                                 ip += (short) *(ip + 1);
4534                         } else {
4535                                 ip += (gint32) READ32 (ip + 1);
4536                         }
4537                         endfinally_ip = ip;
4538                         if (frame->ex_handler != NULL && MONO_OFFSET_IN_HANDLER(frame->ex_handler, frame->ip - rtm->code)) {
4539                                 frame->ex_handler = NULL;
4540                                 frame->ex = NULL;
4541                         }
4542                         goto handle_finally;
4543                         MINT_IN_BREAK;
4544                 MINT_IN_CASE(MINT_ICALL_V_V)
4545                 MINT_IN_CASE(MINT_ICALL_V_P)
4546                 MINT_IN_CASE(MINT_ICALL_P_V)
4547                 MINT_IN_CASE(MINT_ICALL_P_P)
4548                 MINT_IN_CASE(MINT_ICALL_PP_V)
4549                 MINT_IN_CASE(MINT_ICALL_PI_V)
4550                 MINT_IN_CASE(MINT_ICALL_PP_P)
4551                 MINT_IN_CASE(MINT_ICALL_PI_P)
4552                 MINT_IN_CASE(MINT_ICALL_PPP_V)
4553                 MINT_IN_CASE(MINT_ICALL_PPI_V)
4554                         sp = do_icall (context, *ip, sp, rtm->data_items [*(guint16 *)(ip + 1)]);
4555                         if (*mono_thread_interruption_request_flag ()) {
4556                                 MonoException *exc = mono_thread_interruption_checkpoint ();
4557                                 if (exc) {
4558                                         frame->ex = exc;
4559                                         context->search_for_handler = 1;
4560                                 }
4561                         }
4562                         if (frame->ex != NULL)
4563                                 goto handle_exception;
4564                         ip += 2;
4565                         MINT_IN_BREAK;
4566                 MINT_IN_CASE(MINT_MONO_LDPTR)
4567                         sp->data.p = rtm->data_items [*(guint16 *)(ip + 1)];
4568                         ip += 2;
4569                         ++sp;
4570                         MINT_IN_BREAK;
4571                 MINT_IN_CASE(MINT_MONO_NEWOBJ)
4572                         sp->data.p = mono_object_new_checked (rtm->domain, rtm->data_items [*(guint16 *)(ip + 1)], &error);
4573                         mono_error_cleanup (&error); /* FIXME: don't swallow the error */
4574                         ip += 2;
4575                         sp++;
4576                         MINT_IN_BREAK;
4577                 MINT_IN_CASE(MINT_MONO_FREE)
4578                         ++ip;
4579                         --sp;
4580                         g_error ("that doesn't seem right");
4581                         g_free (sp->data.p);
4582                         MINT_IN_BREAK;
4583                 MINT_IN_CASE(MINT_MONO_RETOBJ)
4584                         ++ip;
4585                         sp--;
4586                         stackval_from_data (mono_method_signature (frame->runtime_method->method)->ret, frame->retval, sp->data.p,
4587                              mono_method_signature (frame->runtime_method->method)->pinvoke);
4588                         if (sp > frame->stack)
4589                                 g_warning ("retobj: more values on stack: %d", sp-frame->stack);
4590                         goto exit_frame;
4591                 MINT_IN_CASE(MINT_MONO_TLS) {
4592                         MonoTlsKey key = *(gint32 *)(ip + 1);
4593                         sp->data.p = ((gpointer (*)()) mono_tls_get_tls_getter (key, FALSE)) ();
4594                         sp++;
4595                         ip += 3;
4596                         MINT_IN_BREAK;
4597                 }
4598                 MINT_IN_CASE(MINT_MONO_JIT_ATTACH) {
4599                         ++ip;
4600
4601                         context->original_domain = NULL;
4602                         MonoDomain *tls_domain = (MonoDomain *) ((gpointer (*)()) mono_tls_get_tls_getter (TLS_KEY_DOMAIN, FALSE)) ();
4603                         gpointer tls_jit = ((gpointer (*)()) mono_tls_get_tls_getter (TLS_KEY_DOMAIN, FALSE)) ();
4604
4605                         if (tls_domain != rtm->domain || !tls_jit)
4606                                 context->original_domain = mono_jit_thread_attach (rtm->domain);
4607                         MINT_IN_BREAK;
4608                 }
4609                 MINT_IN_CASE(MINT_MONO_JIT_DETACH)
4610                         ++ip;
4611                         mono_jit_set_domain (context->original_domain);
4612                         MINT_IN_BREAK;
4613                 MINT_IN_CASE(MINT_SDB_INTR_LOC)
4614                         if (G_UNLIKELY (ss_enabled)) {
4615                                 static void (*ss_tramp) (void);
4616
4617                                 if (!ss_tramp) {
4618                                         void *tramp = mini_get_single_step_trampoline ();
4619                                         mono_memory_barrier ();
4620                                         ss_tramp = tramp;
4621                                 }
4622
4623                                 /*
4624                                  * Make this point to the MINT_SDB_SEQ_POINT instruction which follows this since
4625                                  * the address of that instruction is stored as the seq point address.
4626                                  */
4627                                 frame->ip = ip + 1;
4628
4629                                 /*
4630                                  * Use the same trampoline as the JIT. This ensures that
4631                                  * the debugger has the context for the last interpreter
4632                                  * native frame.
4633                                  */
4634                                 do_debugger_tramp (ss_tramp, frame);
4635
4636                                 if (context->has_resume_state) {
4637                                         if (frame == context->handler_frame)
4638                                                 SET_RESUME_STATE (context);
4639                                         else
4640                                                 goto exit_frame;
4641                                 }
4642                         }
4643                         ++ip;
4644                         MINT_IN_BREAK;
4645                 MINT_IN_CASE(MINT_SDB_SEQ_POINT)
4646                         /* Just a placeholder for a breakpoint */
4647                         ++ip;
4648                         MINT_IN_BREAK;
4649                 MINT_IN_CASE(MINT_SDB_BREAKPOINT) {
4650                         static void (*bp_tramp) (void);
4651                         if (!bp_tramp) {
4652                                 void *tramp = mini_get_breakpoint_trampoline ();
4653                                 mono_memory_barrier ();
4654                                 bp_tramp = tramp;
4655                         }
4656
4657                         frame->ip = ip;
4658
4659                         /* Use the same trampoline as the JIT */
4660                         do_debugger_tramp (bp_tramp, frame);
4661
4662                         if (context->has_resume_state) {
4663                                 if (frame == context->handler_frame)
4664                                         SET_RESUME_STATE (context);
4665                                 else
4666                                         goto exit_frame;
4667                         }
4668
4669                         ++ip;
4670                         MINT_IN_BREAK;
4671                 }
4672
4673 #define RELOP(datamem, op) \
4674         --sp; \
4675         sp [-1].data.i = sp [-1].data.datamem op sp [0].data.datamem; \
4676         ++ip;
4677                 MINT_IN_CASE(MINT_CEQ_I4)
4678                         RELOP(i, ==);
4679                         MINT_IN_BREAK;
4680                 MINT_IN_CASE(MINT_CEQ0_I4)
4681                         sp [-1].data.i = (sp [-1].data.i == 0);
4682                         ++ip;
4683                         MINT_IN_BREAK;
4684                 MINT_IN_CASE(MINT_CEQ_I8)
4685                         RELOP(l, ==);
4686                         MINT_IN_BREAK;
4687                 MINT_IN_CASE(MINT_CEQ_R8)
4688                         --sp;
4689                         if (isunordered (sp [-1].data.f, sp [0].data.f))
4690                                 sp [-1].data.i = 0;
4691                         else
4692                                 sp [-1].data.i = sp [-1].data.f == sp [0].data.f;
4693                         ++ip;
4694                         MINT_IN_BREAK;
4695                 MINT_IN_CASE(MINT_CGT_I4)
4696                         RELOP(i, >);
4697                         MINT_IN_BREAK;
4698                 MINT_IN_CASE(MINT_CGT_I8)
4699                         RELOP(l, >);
4700                         MINT_IN_BREAK;
4701                 MINT_IN_CASE(MINT_CGT_R8)
4702                         --sp;
4703                         if (isunordered (sp [-1].data.f, sp [0].data.f))
4704                                 sp [-1].data.i = 0;
4705                         else
4706                                 sp [-1].data.i = sp [-1].data.f > sp [0].data.f;
4707                         ++ip;
4708                         MINT_IN_BREAK;
4709
4710 #define RELOP_CAST(datamem, op, type) \
4711         --sp; \
4712         sp [-1].data.i = (type)sp [-1].data.datamem op (type)sp [0].data.datamem; \
4713         ++ip;
4714
4715                 MINT_IN_CASE(MINT_CGT_UN_I4)
4716                         RELOP_CAST(i, >, guint32);
4717                         MINT_IN_BREAK;
4718                 MINT_IN_CASE(MINT_CGT_UN_I8)
4719                         RELOP_CAST(l, >, guint64);
4720                         MINT_IN_BREAK;
4721                 MINT_IN_CASE(MINT_CGT_UN_R8)
4722                         --sp;
4723                         if (isunordered (sp [-1].data.f, sp [0].data.f))
4724                                 sp [-1].data.i = 1;
4725                         else
4726                                 sp [-1].data.i = sp [-1].data.f > sp [0].data.f;
4727                         ++ip;
4728                         MINT_IN_BREAK;
4729                 MINT_IN_CASE(MINT_CLT_I4)
4730                         RELOP(i, <);
4731                         MINT_IN_BREAK;
4732                 MINT_IN_CASE(MINT_CLT_I8)
4733                         RELOP(l, <);
4734                         MINT_IN_BREAK;
4735                 MINT_IN_CASE(MINT_CLT_R8)
4736                         --sp;
4737                         if (isunordered (sp [-1].data.f, sp [0].data.f))
4738                                 sp [-1].data.i = 0;
4739                         else
4740                                 sp [-1].data.i = sp [-1].data.f < sp [0].data.f;
4741                         ++ip;
4742                         MINT_IN_BREAK;
4743                 MINT_IN_CASE(MINT_CLT_UN_I4)
4744                         RELOP_CAST(i, <, guint32);
4745                         MINT_IN_BREAK;
4746                 MINT_IN_CASE(MINT_CLT_UN_I8)
4747                         RELOP_CAST(l, <, guint64);
4748                         MINT_IN_BREAK;
4749                 MINT_IN_CASE(MINT_CLT_UN_R8)
4750                         --sp;
4751                         if (isunordered (sp [-1].data.f, sp [0].data.f))
4752                                 sp [-1].data.i = 1;
4753                         else
4754                                 sp [-1].data.i = sp [-1].data.f < sp [0].data.f;
4755                         ++ip;
4756                         MINT_IN_BREAK;
4757                 MINT_IN_CASE(MINT_LDFTN) {
4758                         sp->data.p = rtm->data_items [* (guint16 *)(ip + 1)];
4759                         ++sp;
4760                         ip += 2;
4761                         MINT_IN_BREAK;
4762                 }
4763                 MINT_IN_CASE(MINT_LDVIRTFTN) {
4764                         RuntimeMethod *m = rtm->data_items [* (guint16 *)(ip + 1)];
4765                         ip += 2;
4766                         --sp;
4767                         if (!sp->data.p)
4768                                 THROW_EX (mono_get_exception_null_reference (), ip - 2);
4769
4770                         sp->data.p = get_virtual_method (m, sp->data.p);
4771                         ++sp;
4772                         MINT_IN_BREAK;
4773                 }
4774
4775 #define LDARG(datamem, argtype) \
4776         sp->data.datamem = * (argtype *)(frame->args + * (guint16 *)(ip + 1)); \
4777         ip += 2; \
4778         ++sp;
4779
4780                 MINT_IN_CASE(MINT_LDARG_I1) LDARG(i, gint8); MINT_IN_BREAK;
4781                 MINT_IN_CASE(MINT_LDARG_U1) LDARG(i, guint8); MINT_IN_BREAK;
4782                 MINT_IN_CASE(MINT_LDARG_I2) LDARG(i, gint16); MINT_IN_BREAK;
4783                 MINT_IN_CASE(MINT_LDARG_U2) LDARG(i, guint16); MINT_IN_BREAK;
4784                 MINT_IN_CASE(MINT_LDARG_I4) LDARG(i, gint32); MINT_IN_BREAK;
4785                 MINT_IN_CASE(MINT_LDARG_I8) LDARG(l, gint64); MINT_IN_BREAK;
4786                 MINT_IN_CASE(MINT_LDARG_R4) LDARG(f, float); MINT_IN_BREAK;
4787                 MINT_IN_CASE(MINT_LDARG_R8) LDARG(f, double); MINT_IN_BREAK;
4788                 MINT_IN_CASE(MINT_LDARG_O) LDARG(p, gpointer); MINT_IN_BREAK;
4789                 MINT_IN_CASE(MINT_LDARG_P) LDARG(p, gpointer); MINT_IN_BREAK;
4790
4791                 MINT_IN_CASE(MINT_LDARG_VT)
4792                         sp->data.p = vt_sp;
4793                         i32 = READ32(ip + 2);
4794                         memcpy(sp->data.p, frame->args + * (guint16 *)(ip + 1), i32);
4795                         vt_sp += (i32 + 7) & ~7;
4796                         ip += 4;
4797                         ++sp;
4798                         MINT_IN_BREAK;
4799
4800 #define STARG(datamem, argtype) \
4801         --sp; \
4802         * (argtype *)(frame->args + * (guint16 *)(ip + 1)) = sp->data.datamem; \
4803         ip += 2; \
4804
4805                 MINT_IN_CASE(MINT_STARG_I1) STARG(i, gint8); MINT_IN_BREAK;
4806                 MINT_IN_CASE(MINT_STARG_U1) STARG(i, guint8); MINT_IN_BREAK;
4807                 MINT_IN_CASE(MINT_STARG_I2) STARG(i, gint16); MINT_IN_BREAK;
4808                 MINT_IN_CASE(MINT_STARG_U2) STARG(i, guint16); MINT_IN_BREAK;
4809                 MINT_IN_CASE(MINT_STARG_I4) STARG(i, gint32); MINT_IN_BREAK;
4810                 MINT_IN_CASE(MINT_STARG_I8) STARG(l, gint64); MINT_IN_BREAK;
4811                 MINT_IN_CASE(MINT_STARG_R4) STARG(f, float); MINT_IN_BREAK;
4812                 MINT_IN_CASE(MINT_STARG_R8) STARG(f, double); MINT_IN_BREAK;
4813                 MINT_IN_CASE(MINT_STARG_O) STARG(p, gpointer); MINT_IN_BREAK;
4814                 MINT_IN_CASE(MINT_STARG_P) STARG(p, gpointer); MINT_IN_BREAK;
4815
4816                 MINT_IN_CASE(MINT_STARG_VT)
4817                         i32 = READ32(ip + 2);
4818                         --sp;
4819                         memcpy(frame->args + * (guint16 *)(ip + 1), sp->data.p, i32);
4820                         vt_sp -= (i32 + 7) & ~7;
4821                         ip += 4;
4822                         MINT_IN_BREAK;
4823
4824 #define STINARG(datamem, argtype) \
4825         do { \
4826                 int n = * (guint16 *)(ip + 1); \
4827                 * (argtype *)(frame->args + rtm->arg_offsets [n]) = frame->stack_args [n].data.datamem; \
4828                 ip += 2; \
4829         } while (0)
4830
4831                 MINT_IN_CASE(MINT_STINARG_I1) STINARG(i, gint8); MINT_IN_BREAK;
4832                 MINT_IN_CASE(MINT_STINARG_U1) STINARG(i, guint8); MINT_IN_BREAK;
4833                 MINT_IN_CASE(MINT_STINARG_I2) STINARG(i, gint16); MINT_IN_BREAK;
4834                 MINT_IN_CASE(MINT_STINARG_U2) STINARG(i, guint16); MINT_IN_BREAK;
4835                 MINT_IN_CASE(MINT_STINARG_I4) STINARG(i, gint32); MINT_IN_BREAK;
4836                 MINT_IN_CASE(MINT_STINARG_I8) STINARG(l, gint64); MINT_IN_BREAK;
4837                 MINT_IN_CASE(MINT_STINARG_R4) STINARG(f, float); MINT_IN_BREAK;
4838                 MINT_IN_CASE(MINT_STINARG_R8) STINARG(f, double); MINT_IN_BREAK;
4839                 MINT_IN_CASE(MINT_STINARG_O) STINARG(p, gpointer); MINT_IN_BREAK;
4840                 MINT_IN_CASE(MINT_STINARG_P) STINARG(p, gpointer); MINT_IN_BREAK;
4841
4842                 MINT_IN_CASE(MINT_STINARG_VT) {
4843                         int n = * (guint16 *)(ip + 1);
4844                         i32 = READ32(ip + 2);
4845                         memcpy (frame->args + rtm->arg_offsets [n], frame->stack_args [n].data.p, i32);
4846                         ip += 4;
4847                         MINT_IN_BREAK;
4848                 }
4849
4850                 MINT_IN_CASE(MINT_LDARGA)
4851                         sp->data.p = frame->args + * (guint16 *)(ip + 1);
4852                         ip += 2;
4853                         ++sp;
4854                         MINT_IN_BREAK;
4855
4856 #define LDLOC(datamem, argtype) \
4857         sp->data.datamem = * (argtype *)(locals + * (guint16 *)(ip + 1)); \
4858         ip += 2; \
4859         ++sp;
4860
4861                 MINT_IN_CASE(MINT_LDLOC_I1) LDLOC(i, gint8); MINT_IN_BREAK;
4862                 MINT_IN_CASE(MINT_LDLOC_U1) LDLOC(i, guint8); MINT_IN_BREAK;
4863                 MINT_IN_CASE(MINT_LDLOC_I2) LDLOC(i, gint16); MINT_IN_BREAK;
4864                 MINT_IN_CASE(MINT_LDLOC_U2) LDLOC(i, guint16); MINT_IN_BREAK;
4865                 MINT_IN_CASE(MINT_LDLOC_I4) LDLOC(i, gint32); MINT_IN_BREAK;
4866                 MINT_IN_CASE(MINT_LDLOC_I8) LDLOC(l, gint64); MINT_IN_BREAK;
4867                 MINT_IN_CASE(MINT_LDLOC_R4) LDLOC(f, float); MINT_IN_BREAK;
4868                 MINT_IN_CASE(MINT_LDLOC_R8) LDLOC(f, double); MINT_IN_BREAK;
4869                 MINT_IN_CASE(MINT_LDLOC_O) LDLOC(p, gpointer); MINT_IN_BREAK;
4870                 MINT_IN_CASE(MINT_LDLOC_P) LDLOC(p, gpointer); MINT_IN_BREAK;
4871
4872                 MINT_IN_CASE(MINT_LDLOC_VT)
4873                         sp->data.p = vt_sp;
4874                         i32 = READ32(ip + 2);
4875                         memcpy(sp->data.p, locals + * (guint16 *)(ip + 1), i32);
4876                         vt_sp += (i32 + 7) & ~7;
4877                         ip += 4;
4878                         ++sp;
4879                         MINT_IN_BREAK;
4880
4881                 MINT_IN_CASE(MINT_LDLOCA_S)
4882                         sp->data.p = locals + * (guint16 *)(ip + 1);
4883                         ip += 2;
4884                         ++sp;
4885                         MINT_IN_BREAK;
4886
4887 #define STLOC(datamem, argtype) \
4888         --sp; \
4889         * (argtype *)(locals + * (guint16 *)(ip + 1)) = sp->data.datamem; \
4890         ip += 2;
4891
4892                 MINT_IN_CASE(MINT_STLOC_I1) STLOC(i, gint8); MINT_IN_BREAK;
4893                 MINT_IN_CASE(MINT_STLOC_U1) STLOC(i, guint8); MINT_IN_BREAK;
4894                 MINT_IN_CASE(MINT_STLOC_I2) STLOC(i, gint16); MINT_IN_BREAK;
4895                 MINT_IN_CASE(MINT_STLOC_U2) STLOC(i, guint16); MINT_IN_BREAK;
4896                 MINT_IN_CASE(MINT_STLOC_I4) STLOC(i, gint32); MINT_IN_BREAK;
4897                 MINT_IN_CASE(MINT_STLOC_I8) STLOC(l, gint64); MINT_IN_BREAK;
4898                 MINT_IN_CASE(MINT_STLOC_R4) STLOC(f, float); MINT_IN_BREAK;
4899                 MINT_IN_CASE(MINT_STLOC_R8) STLOC(f, double); MINT_IN_BREAK;
4900                 MINT_IN_CASE(MINT_STLOC_O) STLOC(p, gpointer); MINT_IN_BREAK;
4901                 MINT_IN_CASE(MINT_STLOC_P) STLOC(p, gpointer); MINT_IN_BREAK;
4902
4903 #define STLOC_NP(datamem, argtype) \
4904         * (argtype *)(locals + * (guint16 *)(ip + 1)) = sp [-1].data.datamem; \
4905         ip += 2;
4906
4907                 MINT_IN_CASE(MINT_STLOC_NP_I4) STLOC_NP(i, gint32); MINT_IN_BREAK;
4908                 MINT_IN_CASE(MINT_STLOC_NP_O) STLOC_NP(p, gpointer); MINT_IN_BREAK;
4909
4910                 MINT_IN_CASE(MINT_STLOC_VT)
4911                         i32 = READ32(ip + 2);
4912                         --sp;
4913                         memcpy(locals + * (guint16 *)(ip + 1), sp->data.p, i32);
4914                         vt_sp -= (i32 + 7) & ~7;
4915                         ip += 4;
4916                         MINT_IN_BREAK;
4917
4918                 MINT_IN_CASE(MINT_LOCALLOC) {
4919                         if (sp != frame->stack + 1) /*FIX?*/
4920                                 THROW_EX (mono_get_exception_execution_engine (NULL), ip);
4921
4922                         int len = sp [-1].data.i;
4923                         sp [-1].data.p = alloca (len);
4924                         MonoMethodHeader *header = mono_method_get_header_checked (frame->runtime_method->method, &error);
4925                         mono_error_cleanup (&error); /* FIXME: don't swallow the error */
4926                         if (header && header->init_locals)
4927                                 memset (sp [-1].data.p, 0, len);
4928                         ++ip;
4929                         MINT_IN_BREAK;
4930                 }
4931                 MINT_IN_CASE(MINT_ENDFILTER)
4932                         /* top of stack is result of filter */
4933                         frame->retval = &sp [-1];
4934                         goto exit_frame;
4935                 MINT_IN_CASE(MINT_INITOBJ)
4936                         --sp;
4937                         memset (sp->data.vt, 0, READ32(ip + 1));
4938                         ip += 3;
4939                         MINT_IN_BREAK;
4940                 MINT_IN_CASE(MINT_CPBLK)
4941                         sp -= 3;
4942                         if (!sp [0].data.p || !sp [1].data.p)
4943                                 THROW_EX (mono_get_exception_null_reference(), ip - 1);
4944                         ++ip;
4945                         /* FIXME: value and size may be int64... */
4946                         memcpy (sp [0].data.p, sp [1].data.p, sp [2].data.i);
4947                         MINT_IN_BREAK;
4948 #if 0
4949                 MINT_IN_CASE(MINT_CONSTRAINED_) {
4950                         guint32 token;
4951                         /* FIXME: implement */
4952                         ++ip;
4953                         token = READ32 (ip);
4954                         ip += 2;
4955                         MINT_IN_BREAK;
4956                 }
4957 #endif
4958                 MINT_IN_CASE(MINT_INITBLK)
4959                         sp -= 3;
4960                         if (!sp [0].data.p)
4961                                 THROW_EX (mono_get_exception_null_reference(), ip - 1);
4962                         ++ip;
4963                         /* FIXME: value and size may be int64... */
4964                         memset (sp [0].data.p, sp [1].data.i, sp [2].data.i);
4965                         MINT_IN_BREAK;
4966 #if 0
4967                 MINT_IN_CASE(MINT_NO_)
4968                         /* FIXME: implement */
4969                         ip += 2;
4970                         MINT_IN_BREAK;
4971 #endif
4972                 MINT_IN_CASE(MINT_RETHROW)
4973                         /*
4974                          * need to clarify what this should actually do:
4975                          * start the search from the last found handler in
4976                          * this method or continue in the caller or what.
4977                          * Also, do we need to run finally/fault handlers after a retrow?
4978                          * Well, this implementation will follow the usual search
4979                          * for an handler, considering the current ip as throw spot.
4980                          * We need to NULL frame->ex_handler for the later code to
4981                          * actually run the new found handler.
4982                          */
4983                         frame->ex_handler = NULL;
4984                         THROW_EX (frame->ex, ip - 1);
4985                         MINT_IN_BREAK;
4986                 MINT_IN_DEFAULT
4987                         g_print ("Unimplemented opcode: %04x %s at 0x%x\n", *ip, mono_interp_opname[*ip], ip-rtm->code);
4988                         THROW_EX (mono_get_exception_execution_engine ("Unimplemented opcode"), ip);
4989                 }
4990         }
4991
4992         g_assert_not_reached ();
4993         /*
4994          * Exception handling code.
4995          * The exception object is stored in frame->ex.
4996          */
4997
4998         handle_exception:
4999         {
5000                 int i;
5001                 guint32 ip_offset;
5002                 MonoInvocation *inv;
5003                 MonoExceptionClause *clause;
5004                 /*char *message;*/
5005                 MonoObject *ex_obj;
5006
5007 #if DEBUG_INTERP
5008                 if (tracing)
5009                         g_print ("* Handling exception '%s' at IL_%04x\n",
5010                                 frame->ex == NULL ? "** Unknown **" : mono_object_class (frame->ex)->name,
5011                                 rtm == NULL ? 0 : frame->ip - rtm->code);
5012 #endif
5013                 if (die_on_exception)
5014                         goto die_on_ex;
5015
5016                 for (inv = frame; inv; inv = inv->parent) {
5017                         MonoMethod *method;
5018                         if (inv->runtime_method == NULL)
5019                                 continue;
5020                         method = inv->runtime_method->method;
5021                         if (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL)
5022                                 continue;
5023                         if (method->iflags & (METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL | METHOD_IMPL_ATTRIBUTE_RUNTIME))
5024                                 continue;
5025                         if (inv->ip == NULL)
5026                                 continue;
5027                         ip_offset = inv->ip - inv->runtime_method->code;
5028                         inv->ex_handler = NULL; /* clear this in case we are trhowing an exception while handling one  - this one wins */
5029                         for (i = 0; i < inv->runtime_method->num_clauses; ++i) {
5030                                 clause = &inv->runtime_method->clauses [i];
5031 #if DEBUG_INTERP
5032                                 g_print ("* clause [%d]: %p\n", i, clause);
5033 #endif
5034                                 if (!MONO_OFFSET_IN_CLAUSE (clause, ip_offset)) {
5035                                         continue;
5036                                 }
5037                                 if (clause->flags == MONO_EXCEPTION_CLAUSE_FILTER) {
5038 #if DEBUG_INTERP
5039                                         if (tracing)
5040                                                 g_print ("* Filter found at '%s'\n", method->name);
5041 #endif
5042                                         MonoInvocation dup_frame;
5043                                         stackval retval;
5044                                         memcpy (&dup_frame, inv, sizeof (MonoInvocation));
5045                                         dup_frame.retval = &retval;
5046                                         ves_exec_method_with_context (&dup_frame, context, inv->runtime_method->code + clause->data.filter_offset, frame->ex, -1);
5047                                         if (dup_frame.retval->data.i) {
5048 #if DEBUG_INTERP
5049                                                 if (tracing)
5050                                                         g_print ("* Matched Filter at '%s'\n", method->name);
5051 #endif
5052                                                 inv->ex_handler = clause;
5053                                                 goto handle_finally;
5054                                         }
5055                                 } else if (clause->flags == MONO_EXCEPTION_CLAUSE_NONE) {
5056                                         MonoObject *isinst_obj = mono_object_isinst_checked ((MonoObject*)frame->ex, clause->data.catch_class, &error);
5057                                         mono_error_cleanup (&error); /* FIXME: don't swallow the error */
5058                                         if (isinst_obj) {
5059                                                 /*
5060                                                  * OK, we found an handler, now we need to execute the finally
5061                                                  * and fault blocks before branching to the handler code.
5062                                                  */
5063 #if DEBUG_INTERP
5064                                                 if (tracing)
5065                                                         g_print ("* Found handler at '%s'\n", method->name);
5066 #endif
5067                                                 inv->ex_handler = clause;
5068                                                 goto handle_finally;
5069                                         }
5070                                 }
5071                         }
5072                 }
5073                 /*
5074                  * If we get here, no handler was found: print a stack trace.
5075                  */
5076                 for (inv = frame; inv; inv = inv->parent) {
5077                         if (inv->invoke_trap)
5078                                 goto handle_finally;
5079                 }
5080 die_on_ex:
5081                 ex_obj = (MonoObject *) frame->ex;
5082                 mono_unhandled_exception (ex_obj);
5083                 MonoJitTlsData *jit_tls = (MonoJitTlsData *) mono_tls_get_jit_tls ();
5084                 jit_tls->abort_func (ex_obj);
5085                 g_assert_not_reached ();
5086         }
5087         handle_finally:
5088         {
5089                 int i;
5090                 guint32 ip_offset;
5091                 MonoExceptionClause *clause;
5092                 GSList *old_list = finally_ips;
5093                 MonoMethod *method = frame->runtime_method->method;
5094                 MonoMethodHeader *header = mono_method_get_header_checked (method, &error);
5095                 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
5096
5097 #if DEBUG_INTERP
5098                 if (tracing)
5099                         g_print ("* Handle finally IL_%04x\n", endfinally_ip == NULL ? 0 : endfinally_ip - rtm->code);
5100 #endif
5101                 if (rtm == NULL || (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL)
5102                                 || (method->iflags & (METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL | METHOD_IMPL_ATTRIBUTE_RUNTIME))) {
5103                         goto exit_frame;
5104                 }
5105                 ip_offset = frame->ip - rtm->code;
5106
5107                 if (endfinally_ip != NULL)
5108                         finally_ips = g_slist_prepend(finally_ips, (void *)endfinally_ip);
5109                 for (i = 0; i < header->num_clauses; ++i)
5110                         if (frame->ex_handler == &rtm->clauses [i])
5111                                 break;
5112                 while (i > 0) {
5113                         --i;
5114                         clause = &rtm->clauses [i];
5115                         if (MONO_OFFSET_IN_CLAUSE (clause, ip_offset) && (endfinally_ip == NULL || !(MONO_OFFSET_IN_CLAUSE (clause, endfinally_ip - rtm->code)))) {
5116                                 if (clause->flags == MONO_EXCEPTION_CLAUSE_FINALLY) {
5117                                         ip = rtm->code + clause->handler_offset;
5118                                         finally_ips = g_slist_prepend (finally_ips, (gpointer) ip);
5119 #if DEBUG_INTERP
5120                                         if (tracing)
5121                                                 g_print ("* Found finally at IL_%04x with exception: %s\n", clause->handler_offset, frame->ex? "yes": "no");
5122 #endif
5123                                 }
5124                         }
5125                 }
5126
5127                 endfinally_ip = NULL;
5128
5129                 if (old_list != finally_ips && finally_ips) {
5130                         ip = finally_ips->data;
5131                         finally_ips = g_slist_remove (finally_ips, ip);
5132                         sp = frame->stack; /* spec says stack should be empty at endfinally so it should be at the start too */
5133                         goto main_loop;
5134                 }
5135
5136                 /*
5137                  * If an exception is set, we need to execute the fault handler, too,
5138                  * otherwise, we continue normally.
5139                  */
5140                 if (frame->ex)
5141                         goto handle_fault;
5142                 ves_abort();
5143         }
5144         handle_fault:
5145         {
5146                 int i;
5147                 guint32 ip_offset;
5148                 MonoExceptionClause *clause;
5149                 MonoMethod *method = frame->runtime_method->method;
5150                 MonoMethodHeader *header = mono_method_get_header_checked (method, &error);
5151                 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
5152
5153 #if DEBUG_INTERP
5154                 if (tracing)
5155                         g_print ("* Handle fault\n");
5156 #endif
5157                 ip_offset = frame->ip - rtm->code;
5158                 for (i = 0; i < header->num_clauses; ++i) {
5159                         clause = &rtm->clauses [i];
5160                         if (clause->flags == MONO_EXCEPTION_CLAUSE_FAULT && MONO_OFFSET_IN_CLAUSE (clause, ip_offset)) {
5161                                 ip = rtm->code + clause->handler_offset;
5162 #if DEBUG_INTERP
5163                                 if (tracing)
5164                                         g_print ("* Executing handler at IL_%04x\n", clause->handler_offset);
5165 #endif
5166                                 goto main_loop;
5167                         }
5168                 }
5169                 /*
5170                  * If the handler for the exception was found in this method, we jump
5171                  * to it right away, otherwise we return and let the caller run
5172                  * the finally, fault and catch blocks.
5173                  * This same code should be present in the endfault opcode, but it
5174                  * is corrently not assigned in the ECMA specs: LAMESPEC.
5175                  */
5176                 if (frame->ex_handler) {
5177 #if DEBUG_INTERP
5178                         if (tracing)
5179                                 g_print ("* Executing handler at IL_%04x\n", frame->ex_handler->handler_offset);
5180 #endif
5181                         ip = rtm->code + frame->ex_handler->handler_offset;
5182                         sp = frame->stack;
5183                         vt_sp = (unsigned char *) sp + rtm->stack_size;
5184                         sp->data.p = frame->ex;
5185                         ++sp;
5186                         goto main_loop;
5187                 }
5188                 goto exit_frame;
5189         }
5190 exit_frame:
5191         DEBUG_LEAVE ();
5192 }
5193
5194 void
5195 ves_exec_method (MonoInvocation *frame)
5196 {
5197         ThreadContext *context = mono_native_tls_get_value (thread_context_id);
5198         ThreadContext context_struct;
5199         MonoDomain *domain = frame->runtime_method->domain;
5200         MonoError error;
5201         jmp_buf env;
5202
5203         frame->ex = NULL;
5204
5205         if (setjmp(env)) {
5206                 mono_unhandled_exception ((MonoObject*)frame->ex);
5207                 return;
5208         }
5209         if (context == NULL) {
5210                 context = &context_struct;
5211                 context_struct.base_frame = frame;
5212                 context_struct.current_frame = NULL;
5213                 context_struct.env_frame = frame;
5214                 context_struct.current_env = &env;
5215                 context_struct.search_for_handler = 0;
5216                 context_struct.managed_code = 0;
5217                 set_context (context);
5218         }
5219         frame->ip = NULL;
5220         frame->parent = context->current_frame;
5221         frame->runtime_method = mono_interp_get_runtime_method (domain, frame->method, &error);
5222         mono_error_cleanup (&error); /* FIXME: don't swallow the error */
5223         context->managed_code = 1;
5224         ves_exec_method_with_context (frame, context, NULL, NULL, -1);
5225         context->managed_code = 0;
5226         if (frame->ex) {
5227                 if (context != &context_struct && context->current_env) {
5228                         context->env_frame->ex = frame->ex;
5229                         longjmp (*context->current_env, 1);
5230                 }
5231                 else
5232                         mono_unhandled_exception ((MonoObject*)frame->ex);
5233         }
5234         if (context->base_frame == frame)
5235                 set_context (NULL);
5236         else
5237                 context->current_frame = frame->parent;
5238 }
5239
5240 void
5241 mono_interp_parse_options (const char *options)
5242 {
5243         char **args, **ptr;
5244
5245         args = g_strsplit (options, ",", -1);
5246         for (ptr = args; ptr && *ptr; ptr ++) {
5247                 char *arg = *ptr;
5248
5249                 if (strncmp (arg, "jit=", 4) == 0)
5250                         jit_classes = g_slist_prepend (jit_classes, arg + 4);
5251         }
5252 }
5253
5254 void
5255 mono_interp_init ()
5256 {
5257         mono_native_tls_alloc (&thread_context_id, NULL);
5258         set_context (NULL);
5259
5260         mono_interp_transform_init ();
5261 }
5262
5263 typedef int (*TestMethod) (void);
5264
5265 static void
5266 interp_regression_step (MonoImage *image, int verbose, int *total_run, int *total, GTimer *timer, MonoDomain *domain)
5267 {
5268         int result, expected, failed, cfailed, run;
5269         double elapsed, transform_time;
5270         int i;
5271         MonoObject *result_obj;
5272         static gboolean filter_method_init = FALSE;
5273         static const char *filter_method = NULL;
5274
5275         g_print ("Test run: image=%s\n", mono_image_get_filename (image));
5276         cfailed = failed = run = 0;
5277         transform_time = elapsed = 0.0;
5278
5279         g_timer_start (timer);
5280         for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_METHOD); ++i) {
5281                 MonoObject *exc = NULL;
5282                 MonoError error;
5283                 MonoMethod *method = mono_get_method_checked (image, MONO_TOKEN_METHOD_DEF | (i + 1), NULL, NULL, &error);
5284                 if (!method) {
5285                         mono_error_cleanup (&error); /* FIXME don't swallow the error */
5286                         continue;
5287                 }
5288
5289                 if (!filter_method_init) {
5290                         filter_method = g_getenv ("INTERP_FILTER_METHOD");
5291                         filter_method_init = TRUE;
5292                 }
5293                 gboolean filter = FALSE;
5294                 if (filter_method) {
5295                         const char *name = filter_method;
5296
5297                         if ((strchr (name, '.') > name) || strchr (name, ':')) {
5298                                 MonoMethodDesc *desc = mono_method_desc_new (name, TRUE);
5299                                 filter = mono_method_desc_full_match (desc, method);
5300                                 mono_method_desc_free (desc);
5301                         } else {
5302                                 filter = strcmp (method->name, name) == 0;
5303                         }
5304                 } else { /* no filter, check for `Category' attribute on method */
5305                         filter = TRUE;
5306                         MonoCustomAttrInfo* ainfo = mono_custom_attrs_from_method_checked (method, &error);
5307                         mono_error_cleanup (&error);
5308
5309                         if (ainfo) {
5310                                 int j;
5311                                 for (j = 0; j < ainfo->num_attrs && filter; ++j) {
5312                                         MonoCustomAttrEntry *centry = &ainfo->attrs [j];
5313                                         if (centry->ctor == NULL)
5314                                                 continue;
5315
5316                                         MonoClass *klass = centry->ctor->klass;
5317                                         if (strcmp (klass->name, "CategoryAttribute"))
5318                                                 continue;
5319
5320                                         MonoObject *obj = mono_custom_attrs_get_attr_checked (ainfo, klass, &error);
5321                                         /* FIXME: there is an ordering problem if there're multiple attributes, do this instead:
5322                                          * MonoObject *obj = create_custom_attr (ainfo->image, centry->ctor, centry->data, centry->data_size, &error); */
5323                                         mono_error_cleanup (&error);
5324                                         MonoMethod *getter = mono_class_get_method_from_name (klass, "get_Category", -1);
5325                                         MonoObject *str = mono_interp_runtime_invoke (getter, obj, NULL, &exc, &error);
5326                                         mono_error_cleanup (&error);
5327                                         char *utf8_str = mono_string_to_utf8_checked ((MonoString *) str, &error);
5328                                         mono_error_cleanup (&error);
5329                                         if (!strcmp (utf8_str, "!INTERPRETER")) {
5330                                                 g_print ("skip %s...\n", method->name);
5331                                                 filter = FALSE;
5332                                         }
5333                                 }
5334                         }
5335                 }
5336                 if (strncmp (method->name, "test_", 5) == 0 && filter) {
5337                         MonoError interp_error;
5338                         MonoObject *exc = NULL;
5339
5340                         result_obj = mono_interp_runtime_invoke (method, NULL, NULL, &exc, &interp_error);
5341                         if (!mono_error_ok (&interp_error)) {
5342                                 cfailed++;
5343                                 g_print ("Test '%s' execution failed.\n", method->name);
5344                         } else if (exc != NULL) {
5345                                 g_print ("Exception in Test '%s' occured:\n", method->name);
5346                                 mono_object_describe (exc);
5347                                 run++;
5348                                 failed++;
5349                         } else {
5350                                 result = *(gint32 *) mono_object_unbox (result_obj);
5351                                 expected = atoi (method->name + 5);  // FIXME: oh no.
5352                                 run++;
5353
5354                                 if (result != expected) {
5355                                         failed++;
5356                                         g_print ("Test '%s' failed result (got %d, expected %d).\n", method->name, result, expected);
5357                                 }
5358                         }
5359                 }
5360         }
5361         g_timer_stop (timer);
5362         elapsed = g_timer_elapsed (timer, NULL);
5363         if (failed > 0 || cfailed > 0){
5364                 g_print ("Results: total tests: %d, failed: %d, cfailed: %d (pass: %.2f%%)\n",
5365                                 run, failed, cfailed, 100.0*(run-failed-cfailed)/run);
5366         } else {
5367                 g_print ("Results: total tests: %d, all pass \n",  run);
5368         }
5369
5370         g_print ("Elapsed time: %f secs (%f, %f)\n\n", elapsed,
5371                         elapsed - transform_time, transform_time);
5372         *total += failed + cfailed;
5373         *total_run += run;
5374 }
5375
5376 static int
5377 interp_regression (MonoImage *image, int verbose, int *total_run)
5378 {
5379         MonoMethod *method;
5380         GTimer *timer = g_timer_new ();
5381         MonoDomain *domain = mono_domain_get ();
5382         guint32 i;
5383         int total;
5384
5385         /* load the metadata */
5386         for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_METHOD); ++i) {
5387                 MonoError error;
5388                 method = mono_get_method_checked (image, MONO_TOKEN_METHOD_DEF | (i + 1), NULL, NULL, &error);
5389                 if (!method) {
5390                         mono_error_cleanup (&error);
5391                         continue;
5392                 }
5393                 mono_class_init (method->klass);
5394         }
5395
5396         total = 0;
5397         *total_run = 0;
5398         interp_regression_step (image, verbose, total_run, &total, timer, domain);
5399
5400         g_timer_destroy (timer);
5401         return total;
5402 }
5403
5404 int
5405 mono_interp_regression_list (int verbose, int count, char *images [])
5406 {
5407         int i, total, total_run, run;
5408
5409         total_run = total = 0;
5410         for (i = 0; i < count; ++i) {
5411                 MonoAssembly *ass = mono_assembly_open_predicate (images [i], FALSE, FALSE, NULL, NULL, NULL);
5412                 if (!ass) {
5413                         g_warning ("failed to load assembly: %s", images [i]);
5414                         continue;
5415                 }
5416                 total += interp_regression (mono_assembly_get_image (ass), verbose, &run);
5417                 total_run += run;
5418         }
5419         if (total > 0) {
5420                 g_print ("Overall results: tests: %d, failed: %d (pass: %.2f%%)\n", total_run, total, 100.0*(total_run-total)/total_run);
5421         } else {
5422                 g_print ("Overall results: tests: %d, 100%% pass\n", total_run);
5423         }
5424
5425         return total;
5426 }
5427
5428 /*
5429  * mono_interp_set_resume_state:
5430  *
5431  *   Set the state the interpeter will continue to execute from after execution returns to the interpreter.
5432  */
5433 void
5434 mono_interp_set_resume_state (MonoJitTlsData *jit_tls, MonoException *ex, MonoInterpFrameHandle interp_frame, gpointer handler_ip)
5435 {
5436         ThreadContext *context;
5437
5438         g_assert (jit_tls);
5439         context = jit_tls->interp_context;
5440         g_assert (context);
5441
5442         context->has_resume_state = TRUE;
5443         context->handler_frame = interp_frame;
5444         /* This is on the stack, so it doesn't need a wbarrier */
5445         context->handler_frame->ex = ex;
5446         context->handler_ip = handler_ip;
5447 }
5448
5449 /*
5450  * mono_interp_run_finally:
5451  *
5452  *   Run the finally clause identified by CLAUSE_INDEX in the intepreter frame given by
5453  * frame->interp_frame.
5454  */
5455 void
5456 mono_interp_run_finally (StackFrameInfo *frame, int clause_index, gpointer handler_ip)
5457 {
5458        MonoInvocation *iframe = frame->interp_frame;
5459        ThreadContext *context = mono_native_tls_get_value (thread_context_id);
5460
5461        ves_exec_method_with_context (iframe, context, handler_ip, NULL, clause_index);
5462 }
5463
5464 typedef struct {
5465         MonoInvocation *current;
5466 } StackIter;
5467
5468 /*
5469  * mono_interp_frame_iter_init:
5470  *
5471  *   Initialize an iterator for iterating through interpreted frames.
5472  */
5473 void
5474 mono_interp_frame_iter_init (MonoInterpStackIter *iter, gpointer interp_exit_data)
5475 {
5476         StackIter *stack_iter = (StackIter*)iter;
5477
5478         stack_iter->current = (MonoInvocation*)interp_exit_data;
5479 }
5480
5481 gboolean
5482 mono_interp_frame_iter_next (MonoInterpStackIter *iter, StackFrameInfo *frame)
5483 {
5484         StackIter *stack_iter = (StackIter*)iter;
5485         MonoInvocation *iframe = stack_iter->current;
5486
5487         memset (frame, 0, sizeof (StackFrameInfo));
5488         /* pinvoke frames doesn't have runtime_method set */
5489         while (iframe && !(iframe->runtime_method && iframe->runtime_method->code))
5490                 iframe = iframe->parent;
5491         if (!iframe)
5492                 return FALSE;
5493
5494         frame->type = FRAME_TYPE_INTERP;
5495         // FIXME:
5496         frame->domain = mono_domain_get ();
5497         frame->interp_frame = iframe;
5498         frame->method = iframe->runtime_method->method;
5499         frame->actual_method = frame->method;
5500         /* This is the offset in the interpreter IR */
5501         frame->native_offset = (guint8*)iframe->ip - (guint8*)iframe->runtime_method->code;
5502         frame->ji = iframe->runtime_method->jinfo;
5503
5504         stack_iter->current = iframe->parent;
5505
5506         return TRUE;
5507 }
5508
5509 MonoJitInfo*
5510 mono_interp_find_jit_info (MonoDomain *domain, MonoMethod *method)
5511 {
5512         RuntimeMethod* rtm;
5513
5514         rtm = lookup_runtime_method (domain, method);
5515         if (rtm)
5516                 return rtm->jinfo;
5517         else
5518                 return NULL;
5519 }
5520
5521 void
5522 mono_interp_set_breakpoint (MonoJitInfo *jinfo, gpointer ip)
5523 {
5524         guint16 *code = (guint16*)ip;
5525         g_assert (*code == MINT_SDB_SEQ_POINT);
5526         *code = MINT_SDB_BREAKPOINT;
5527 }
5528
5529 void
5530 mono_interp_clear_breakpoint (MonoJitInfo *jinfo, gpointer ip)
5531 {
5532         guint16 *code = (guint16*)ip;
5533         g_assert (*code == MINT_SDB_BREAKPOINT);
5534         *code = MINT_SDB_SEQ_POINT;
5535 }
5536
5537 MonoJitInfo*
5538 mono_interp_frame_get_jit_info (MonoInterpFrameHandle frame)
5539 {
5540         MonoInvocation *iframe = (MonoInvocation*)frame;
5541
5542         g_assert (iframe->runtime_method);
5543         return iframe->runtime_method->jinfo;
5544 }
5545
5546 gpointer
5547 mono_interp_frame_get_ip (MonoInterpFrameHandle frame)
5548 {
5549         MonoInvocation *iframe = (MonoInvocation*)frame;
5550
5551         g_assert (iframe->runtime_method);
5552         return (gpointer)iframe->ip;
5553 }
5554
5555 gpointer
5556 mono_interp_frame_get_arg (MonoInterpFrameHandle frame, int pos)
5557 {
5558         MonoInvocation *iframe = (MonoInvocation*)frame;
5559
5560         g_assert (iframe->runtime_method);
5561
5562         int arg_offset = iframe->runtime_method->arg_offsets [pos + (iframe->runtime_method->hasthis ? 1 : 0)];
5563
5564         return iframe->args + arg_offset;
5565 }
5566
5567 gpointer
5568 mono_interp_frame_get_local (MonoInterpFrameHandle frame, int pos)
5569 {
5570         MonoInvocation *iframe = (MonoInvocation*)frame;
5571
5572         g_assert (iframe->runtime_method);
5573
5574         return iframe->locals + iframe->runtime_method->local_offsets [pos];
5575 }
5576
5577 gpointer
5578 mono_interp_frame_get_this (MonoInterpFrameHandle frame)
5579 {
5580         MonoInvocation *iframe = (MonoInvocation*)frame;
5581
5582         g_assert (iframe->runtime_method);
5583         g_assert (iframe->runtime_method->hasthis);
5584
5585         int arg_offset = iframe->runtime_method->arg_offsets [0];
5586
5587         return iframe->args + arg_offset;
5588 }
5589
5590 void
5591 mono_interp_start_single_stepping (void)
5592 {
5593         ss_enabled = TRUE;
5594 }
5595
5596 void
5597 mono_interp_stop_single_stepping (void)
5598 {
5599         ss_enabled = FALSE;
5600 }