mono/mini/interp/interp.c

   1 /*
   2  * PLEASE NOTE: This is a research prototype.
   3  *
   4  *
   5  * interp.c: Interpreter for CIL byte codes
   6  *
   7  * Authors:
   8  *   Paolo Molaro (lupus@ximian.com)
   9  *   Miguel de Icaza (miguel@ximian.com)
  10  *   Dietmar Maurer (dietmar@ximian.com)
  11  *
  12  * (C) 2001, 2002 Ximian, Inc.
  13  */
  14 #ifndef __USE_ISOC99
  15 #define __USE_ISOC99
  16 #endif
  17 #include "config.h"
  18 #include <stdio.h>
  19 #include <string.h>
  20 #include <stdlib.h>
  21 #include <glib.h>
  22 #include <setjmp.h>
  23 #include <signal.h>
  24 #include <math.h>
  25 #include <locale.h>
  26
  27 #include <mono/utils/gc_wrapper.h>
  28
  29 #ifdef HAVE_ALLOCA_H
  30 #   include <alloca.h>
  31 #else
  32 #   ifdef __CYGWIN__
  33 #      define alloca __builtin_alloca
  34 #   endif
  35 #endif
  36
  37 /* trim excessive headers */
  38 #include <mono/metadata/image.h>
  39 #include <mono/metadata/assembly.h>
  40 #include <mono/metadata/cil-coff.h>
  41 #include <mono/metadata/mono-endian.h>
  42 #include <mono/metadata/tabledefs.h>
  43 #include <mono/metadata/tokentype.h>
  44 #include <mono/metadata/loader.h>
  45 #include <mono/metadata/threads.h>
  46 #include <mono/metadata/threadpool.h>
  47 #include <mono/metadata/profiler-private.h>
  48 #include <mono/metadata/appdomain.h>
  49 #include <mono/metadata/reflection.h>
  50 #include <mono/metadata/reflection-internals.h>
  51 #include <mono/metadata/exception.h>
  52 #include <mono/metadata/verify.h>
  53 #include <mono/metadata/opcodes.h>
  54 #include <mono/metadata/debug-helpers.h>
  55 #include <mono/metadata/mono-config.h>
  56 #include <mono/metadata/marshal.h>
  57 #include <mono/metadata/environment.h>
  58 #include <mono/metadata/mono-debug.h>
  59
  60 #include "interp.h"
  61 #include "interp-internals.h"
  62 #include "mintops.h"
  63 #include "hacks.h"
  64
  65 #include <mono/mini/mini.h>
  66 #include <mono/mini/jit-icalls.h>
  67
  68
  69 /* Mingw 2.1 doesnt need this any more, but leave it in for now for older versions */
  70 #ifdef _WIN32
  71 #define isnan _isnan
  72 #define finite _finite
  73 #endif
  74 #ifndef HAVE_FINITE
  75 #ifdef HAVE_ISFINITE
  76 #define finite isfinite
  77 #endif
  78 #endif
  79
  80 #define INIT_FRAME(frame,parent_frame,method_args,method_retval,domain,mono_method,error)       \
  81         do {    \
  82                 (frame)->parent = (parent_frame);       \
  83                 (frame)->stack_args = (method_args);    \
  84                 (frame)->retval = (method_retval);      \
  85                 (frame)->runtime_method = mono_interp_get_runtime_method ((domain), (mono_method), (error));    \
  86                 (frame)->ex = NULL;     \
  87                 (frame)->ip = NULL;     \
  88                 (frame)->invoke_trap = 0;       \
  89         } while (0)
  90
  91 void ves_exec_method (MonoInvocation *frame);
  92
  93 static char* dump_stack (stackval *stack, stackval *sp);
  94 static char* dump_frame (MonoInvocation *inv);
  95 static MonoArray *get_trace_ips (MonoDomain *domain, MonoInvocation *top);
  96 static void ves_exec_method_with_context (MonoInvocation *frame, ThreadContext *context);
  97
  98 typedef void (*ICallMethod) (MonoInvocation *frame);
  99
 100 static guint32 die_on_exception = 0;
 101 static MonoNativeTlsKey thread_context_id;
 102
 103 static char* dump_args (MonoInvocation *inv);
 104
 105 #define DEBUG_INTERP 0
 106 #define COUNT_OPS 0
 107 #if DEBUG_INTERP
 108 int mono_interp_traceopt = 2;
 109 /* If true, then we output the opcodes as we interpret them */
 110 static int global_tracing = 2;
 111
 112 static int debug_indent_level = 0;
 113
 114 static int break_on_method = 0;
 115 static int nested_trace = 0;
 116 static GList *db_methods = NULL;
 117
 118 static void
 119 output_indent (void)
 120 {
 121         int h;
 122
 123         for (h = 0; h < debug_indent_level; h++)
 124                 g_print ("  ");
 125 }
 126
 127 static void
 128 db_match_method (gpointer data, gpointer user_data)
 129 {
 130         MonoMethod *m = (MonoMethod*)user_data;
 131         MonoMethodDesc *desc = data;
 132
 133         if (mono_method_desc_full_match (desc, m))
 134                 break_on_method = 1;
 135 }
 136
 137 static void debug_enter (MonoInvocation *frame, int *tracing)
 138 {
 139         if (db_methods) {
 140                 g_list_foreach (db_methods, db_match_method, (gpointer)frame->runtime_method->method);
 141                 if (break_on_method)
 142                         *tracing = nested_trace ? (global_tracing = 2, 3) : 2;
 143                 break_on_method = 0;
 144         }
 145         if (*tracing) {
 146                 MonoMethod *method = frame->runtime_method->method;
 147                 char *mn, *args = dump_args (frame);
 148                 debug_indent_level++;
 149                 output_indent ();
 150                 mn = mono_method_full_name (method, FALSE);
 151                 g_print ("(%p) Entering %s (", mono_thread_internal_current (), mn);
 152                 g_free (mn);
 153                 g_print  ("%s)\n", args);
 154                 g_free (args);
 155         }
 156         if (mono_profiler_events & MONO_PROFILE_ENTER_LEAVE)
 157                 mono_profiler_method_enter (frame->runtime_method->method);
 158 }
 159
 160
 161 #define DEBUG_LEAVE()   \
 162         if (tracing) {  \
 163                 char *mn, *args;        \
 164                 args = dump_retval (frame);     \
 165                 output_indent ();       \
 166                 mn = mono_method_full_name (frame->runtime_method->method, FALSE); \
 167                 g_print  ("(%p) Leaving %s", mono_thread_internal_current (),  mn);     \
 168                 g_free (mn); \
 169                 g_print  (" => %s\n", args);    \
 170                 g_free (args);  \
 171                 debug_indent_level--;   \
 172                 if (tracing == 3) global_tracing = 0; \
 173         }       \
 174         if (mono_profiler_events & MONO_PROFILE_ENTER_LEAVE)    \
 175                 mono_profiler_method_leave (frame->runtime_method->method);
 176
 177 #else
 178
 179 int mono_interp_traceopt = 0;
 180 static void debug_enter (MonoInvocation *frame, int *tracing)
 181 {
 182 }
 183 #define DEBUG_LEAVE()
 184
 185 #endif
 186
 187 static void
 188 interp_ex_handler (MonoException *ex) {
 189         MonoError error;
 190         ThreadContext *context = mono_native_tls_get_value (thread_context_id);
 191         char *stack_trace;
 192         if (context == NULL)
 193                 return;
 194         stack_trace = dump_frame (context->current_frame);
 195         ex->stack_trace = mono_string_new (mono_domain_get(), stack_trace);
 196         g_free (stack_trace);
 197         if (context->current_env == NULL || strcmp(ex->object.vtable->klass->name, "ExecutionEngineException") == 0) {
 198                 char *strace = mono_string_to_utf8_checked (ex->stack_trace, &error);
 199                 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
 200                 fprintf(stderr, "Nothing can catch this exception: ");
 201                 fprintf(stderr, "%s", ex->object.vtable->klass->name);
 202                 if (ex->message != NULL) {
 203                         char *m = mono_string_to_utf8_checked (ex->message, &error);
 204                         mono_error_cleanup (&error); /* FIXME: don't swallow the error */
 205                         fprintf(stderr, ": %s", m);
 206                         g_free(m);
 207                 }
 208                 fprintf(stderr, "\n%s\n", strace);
 209                 g_free (strace);
 210                 if (ex->inner_ex != NULL) {
 211                         ex = (MonoException *)ex->inner_ex;
 212                         fprintf(stderr, "Inner exception: %s", ex->object.vtable->klass->name);
 213                         if (ex->message != NULL) {
 214                                 char *m = mono_string_to_utf8_checked (ex->message, &error);
 215                                 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
 216                                 fprintf(stderr, ": %s", m);
 217                                 g_free(m);
 218                         }
 219                         strace = mono_string_to_utf8_checked (ex->stack_trace, &error);
 220                         mono_error_cleanup (&error); /* FIXME: don't swallow the error */
 221                         fprintf(stderr, "\n");
 222                         fprintf(stderr, "%s\n", strace);
 223                         g_free (strace);
 224                 }
 225                 /* wait for other threads to also collapse */
 226                 // Sleep(1000); // TODO: proper sleep
 227                 exit(1);
 228         }
 229         context->env_frame->ex = ex;
 230         context->search_for_handler = 1;
 231         longjmp (*context->current_env, 1);
 232 }
 233
 234 static void
 235 ves_real_abort (int line, MonoMethod *mh,
 236                 const unsigned short *ip, stackval *stack, stackval *sp)
 237 {
 238         MonoError error;
 239         fprintf (stderr, "Execution aborted in method: %s::%s\n", mh->klass->name, mh->name);
 240         fprintf (stderr, "Line=%d IP=0x%04lx, Aborted execution\n", line,
 241                  ip-(const unsigned short *)mono_method_get_header_checked (mh, &error)->code);
 242                 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
 243         g_print ("0x%04x %02x\n",
 244                  ip-(const unsigned short *)mono_method_get_header_checked (mh, &error)->code, *ip);
 245         mono_error_cleanup (&error); /* FIXME: don't swallow the error */
 246         if (sp > stack)
 247                 printf ("\t[%ld] 0x%08x %0.5f\n", sp-stack, sp[-1].data.i, sp[-1].data.f);
 248 }
 249
 250 #define ves_abort() \
 251         do {\
 252                 ves_real_abort(__LINE__, frame->runtime_method->method, ip, frame->stack, sp); \
 253                 THROW_EX (mono_get_exception_execution_engine (NULL), ip); \
 254         } while (0);
 255
 256 RuntimeMethod*
 257 mono_interp_get_runtime_method (MonoDomain *domain, MonoMethod *method, MonoError *error)
 258 {
 259         RuntimeMethod *rtm;
 260         error_init (error);
 261
 262         mono_domain_jit_code_hash_lock (domain);
 263         if ((rtm = mono_internal_hash_table_lookup (&domain->jit_code_hash, method))) {
 264                 mono_domain_jit_code_hash_unlock (domain);
 265                 return rtm;
 266         }
 267         rtm = mono_domain_alloc0 (domain, sizeof (RuntimeMethod));
 268         rtm->method = method;
 269         rtm->param_count = mono_method_signature (method)->param_count;
 270         rtm->hasthis = mono_method_signature (method)->hasthis;
 271         mono_internal_hash_table_insert (&domain->jit_code_hash, method, rtm);
 272         mono_domain_jit_code_hash_unlock (domain);
 273
 274         return rtm;
 275 }
 276
 277 gpointer
 278 mono_interp_create_trampoline (MonoDomain *domain, MonoMethod *method, MonoError *error)
 279 {
 280         if (method->iflags & METHOD_IMPL_ATTRIBUTE_SYNCHRONIZED)
 281                 method = mono_marshal_get_synchronized_wrapper (method);
 282         return mono_interp_get_runtime_method (domain, method, error);
 283 }
 284
 285 static inline RuntimeMethod*
 286 get_virtual_method (MonoDomain *domain, RuntimeMethod *runtime_method, MonoObject *obj)
 287 {
 288         MonoMethod *m = runtime_method->method;
 289         MonoError error;
 290
 291         if ((m->flags & METHOD_ATTRIBUTE_FINAL) || !(m->flags & METHOD_ATTRIBUTE_VIRTUAL)) {
 292                 RuntimeMethod *ret = NULL;
 293                 if (mono_object_is_transparent_proxy (obj)) {
 294                         ret = mono_interp_get_runtime_method (domain, mono_marshal_get_remoting_invoke (m), &error);
 295                         mono_error_cleanup (&error); /* FIXME: don't swallow the error */
 296                 } else if (m->iflags & METHOD_IMPL_ATTRIBUTE_SYNCHRONIZED) {
 297                         ret = mono_interp_get_runtime_method (domain, mono_marshal_get_synchronized_wrapper (m), &error);
 298                         mono_error_cleanup (&error); /* FIXME: don't swallow the error */
 299                 } else {
 300                         ret = runtime_method;
 301                 }
 302                 return ret;
 303         }
 304
 305         mono_class_setup_vtable (obj->vtable->klass);
 306
 307         int slot = mono_method_get_vtable_slot (m);
 308         if (mono_class_is_interface (m->klass)) {
 309                 g_assert (obj->vtable->klass != m->klass);
 310                 /* TODO: interface offset lookup is slow, go through IMT instead */
 311                 gboolean non_exact_match;
 312                 slot += mono_class_interface_offset_with_variance (obj->vtable->klass, m->klass, &non_exact_match);
 313         }
 314
 315         MonoMethod *virtual_method = obj->vtable->klass->vtable [slot];
 316         if (m->is_inflated && mono_method_get_context (m)->method_inst) {
 317                 MonoGenericContext context = { NULL, NULL };
 318
 319                 if (mono_class_is_ginst (virtual_method->klass))
 320                         context.class_inst = mono_class_get_generic_class (virtual_method->klass)->context.class_inst;
 321                 else if (mono_class_is_gtd (virtual_method->klass))
 322                         context.class_inst = mono_class_get_generic_container (virtual_method->klass)->context.class_inst;
 323                 context.method_inst = mono_method_get_context (m)->method_inst;
 324
 325                 virtual_method = mono_class_inflate_generic_method_checked (virtual_method, &context, &error);
 326                 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
 327         }
 328         RuntimeMethod *virtual_runtime_method = mono_interp_get_runtime_method (domain, virtual_method, &error);
 329         mono_error_cleanup (&error); /* FIXME: don't swallow the error */
 330         return virtual_runtime_method;
 331 }
 332
 333 static void inline
 334 stackval_from_data (MonoType *type, stackval *result, char *data, gboolean pinvoke)
 335 {
 336         if (type->byref) {
 337                 switch (type->type) {
 338                 case MONO_TYPE_OBJECT:
 339                 case MONO_TYPE_CLASS:
 340                 case MONO_TYPE_STRING:
 341                 case MONO_TYPE_ARRAY:
 342                 case MONO_TYPE_SZARRAY:
 343                         break;
 344                 default:
 345                         break;
 346                 }
 347                 result->data.p = *(gpointer*)data;
 348                 return;
 349         }
 350         switch (type->type) {
 351         case MONO_TYPE_VOID:
 352                 return;
 353         case MONO_TYPE_I1:
 354                 result->data.i = *(gint8*)data;
 355                 return;
 356         case MONO_TYPE_U1:
 357         case MONO_TYPE_BOOLEAN:
 358                 result->data.i = *(guint8*)data;
 359                 return;
 360         case MONO_TYPE_I2:
 361                 result->data.i = *(gint16*)data;
 362                 return;
 363         case MONO_TYPE_U2:
 364         case MONO_TYPE_CHAR:
 365                 result->data.i = *(guint16*)data;
 366                 return;
 367         case MONO_TYPE_I4:
 368                 result->data.i = *(gint32*)data;
 369                 return;
 370         case MONO_TYPE_U:
 371         case MONO_TYPE_I:
 372                 result->data.nati = *(mono_i*)data;
 373                 return;
 374         case MONO_TYPE_PTR:
 375                 result->data.p = *(gpointer*)data;
 376                 return;
 377         case MONO_TYPE_U4:
 378                 result->data.i = *(guint32*)data;
 379                 return;
 380         case MONO_TYPE_R4:
 381                 result->data.f = *(float*)data;
 382                 return;
 383         case MONO_TYPE_I8:
 384         case MONO_TYPE_U8:
 385                 result->data.l = *(gint64*)data;
 386                 return;
 387         case MONO_TYPE_R8:
 388                 result->data.f = *(double*)data;
 389                 return;
 390         case MONO_TYPE_STRING:
 391         case MONO_TYPE_SZARRAY:
 392         case MONO_TYPE_CLASS:
 393         case MONO_TYPE_OBJECT:
 394         case MONO_TYPE_ARRAY:
 395                 result->data.p = *(gpointer*)data;
 396                 return;
 397         case MONO_TYPE_VALUETYPE:
 398                 if (type->data.klass->enumtype) {
 399                         stackval_from_data (mono_class_enum_basetype (type->data.klass), result, data, pinvoke);
 400                         return;
 401                 } else
 402                         mono_value_copy (result->data.vt, data, type->data.klass);
 403                 return;
 404         case MONO_TYPE_GENERICINST:
 405                 stackval_from_data (&type->data.generic_class->container_class->byval_arg, result, data, pinvoke);
 406                 return;
 407         default:
 408                 g_warning ("got type 0x%02x", type->type);
 409                 g_assert_not_reached ();
 410         }
 411 }
 412
 413 static void inline
 414 stackval_to_data (MonoType *type, stackval *val, char *data, gboolean pinvoke)
 415 {
 416         if (type->byref) {
 417                 gpointer *p = (gpointer*)data;
 418                 *p = val->data.p;
 419                 return;
 420         }
 421         /* printf ("TODAT0 %p\n", data); */
 422         switch (type->type) {
 423         case MONO_TYPE_I1:
 424         case MONO_TYPE_U1: {
 425                 guint8 *p = (guint8*)data;
 426                 *p = val->data.i;
 427                 return;
 428         }
 429         case MONO_TYPE_BOOLEAN: {
 430                 guint8 *p = (guint8*)data;
 431                 *p = (val->data.i != 0);
 432                 return;
 433         }
 434         case MONO_TYPE_I2:
 435         case MONO_TYPE_U2:
 436         case MONO_TYPE_CHAR: {
 437                 guint16 *p = (guint16*)data;
 438                 *p = val->data.i;
 439                 return;
 440         }
 441         case MONO_TYPE_I: {
 442                 mono_i *p = (mono_i*)data;
 443                 /* In theory the value used by stloc should match the local var type
 444                    but in practice it sometimes doesn't (a int32 gets dup'd and stloc'd into
 445                    a native int - both by csc and mcs). Not sure what to do about sign extension
 446                    as it is outside the spec... doing the obvious */
 447                 *p = (mono_i)val->data.nati;
 448                 return;
 449         }
 450         case MONO_TYPE_U: {
 451                 mono_u *p = (mono_u*)data;
 452                 /* see above. */
 453                 *p = (mono_u)val->data.nati;
 454                 return;
 455         }
 456         case MONO_TYPE_I4:
 457         case MONO_TYPE_U4: {
 458                 gint32 *p = (gint32*)data;
 459                 *p = val->data.i;
 460                 return;
 461         }
 462         case MONO_TYPE_I8:
 463         case MONO_TYPE_U8: {
 464                 gint64 *p = (gint64*)data;
 465                 *p = val->data.l;
 466                 return;
 467         }
 468         case MONO_TYPE_R4: {
 469                 float *p = (float*)data;
 470                 *p = val->data.f;
 471                 return;
 472         }
 473         case MONO_TYPE_R8: {
 474                 double *p = (double*)data;
 475                 *p = val->data.f;
 476                 return;
 477         }
 478         case MONO_TYPE_STRING:
 479         case MONO_TYPE_SZARRAY:
 480         case MONO_TYPE_CLASS:
 481         case MONO_TYPE_OBJECT:
 482         case MONO_TYPE_ARRAY:
 483         case MONO_TYPE_PTR: {
 484                 gpointer *p = (gpointer*)data;
 485                 *p = val->data.p;
 486                 return;
 487         }
 488         case MONO_TYPE_VALUETYPE:
 489                 if (type->data.klass->enumtype) {
 490                         stackval_to_data (mono_class_enum_basetype (type->data.klass), val, data, pinvoke);
 491                         return;
 492                 } else
 493                         mono_value_copy (data, val->data.vt, type->data.klass);
 494                 return;
 495         case MONO_TYPE_GENERICINST:
 496                 stackval_to_data (&type->data.generic_class->container_class->byval_arg, val, data, pinvoke);
 497                 return;
 498         default:
 499                 g_warning ("got type %x", type->type);
 500                 g_assert_not_reached ();
 501         }
 502 }
 503
 504 static void
 505 fill_in_trace (MonoException *exception, MonoInvocation *frame)
 506 {
 507         char *stack_trace = dump_frame (frame);
 508         MonoDomain *domain = mono_domain_get();
 509         (exception)->stack_trace = mono_string_new (domain, stack_trace);
 510         (exception)->trace_ips = get_trace_ips (domain, frame);
 511         g_free (stack_trace);
 512 }
 513
 514 #define FILL_IN_TRACE(exception, frame) fill_in_trace(exception, frame)
 515
 516 #define THROW_EX(exception,ex_ip)       \
 517         do {\
 518                 frame->ip = (ex_ip);            \
 519                 frame->ex = (MonoException*)(exception);        \
 520                 FILL_IN_TRACE(frame->ex, frame); \
 521                 goto handle_exception;  \
 522         } while (0)
 523
 524 static MonoObject*
 525 ves_array_create (MonoInvocation *frame, MonoDomain *domain, MonoClass *klass, MonoMethodSignature *sig, stackval *values)
 526 {
 527         uintptr_t *lengths;
 528         intptr_t *lower_bounds;
 529         MonoObject *obj;
 530         MonoError error;
 531         int i;
 532
 533         lengths = alloca (sizeof (uintptr_t) * klass->rank * 2);
 534         for (i = 0; i < sig->param_count; ++i) {
 535                 lengths [i] = values->data.i;
 536                 values ++;
 537         }
 538         if (klass->rank == sig->param_count) {
 539                 /* Only lengths provided. */
 540                 lower_bounds = NULL;
 541         } else {
 542                 /* lower bounds are first. */
 543                 lower_bounds = (intptr_t *) lengths;
 544                 lengths += klass->rank;
 545         }
 546         obj = (MonoObject*) mono_array_new_full_checked (domain, klass, lengths, lower_bounds, &error);
 547         if (!mono_error_ok (&error)) {
 548                 frame->ex = mono_error_convert_to_exception (&error);
 549                 FILL_IN_TRACE (frame->ex, frame);
 550         }
 551         mono_error_cleanup (&error); /* FIXME: don't swallow the error */
 552         return obj;
 553 }
 554
 555 static gint32
 556 ves_array_calculate_index (MonoArray *ao, stackval *sp, MonoInvocation *frame)
 557 {
 558         g_assert (!frame->ex);
 559         MonoClass *ac = ((MonoObject *) ao)->vtable->klass;
 560
 561         guint32 pos = 0;
 562         if (ao->bounds) {
 563                 for (gint32 i = 0; i < ac->rank; i++) {
 564                         guint32 idx = sp [i].data.i;
 565                         guint32 lower = ao->bounds [i].lower_bound;
 566                         guint32 len = ao->bounds [i].length;
 567                         if (idx < lower || (idx - lower) >= len) {
 568                                 frame->ex = mono_get_exception_index_out_of_range ();
 569                                 FILL_IN_TRACE (frame->ex, frame);
 570                                 return -1;
 571                         }
 572                         pos = (pos * len) + idx - lower;
 573                 }
 574         } else {
 575                 pos = sp [0].data.i;
 576                 if (pos >= ao->max_length) {
 577                         frame->ex = mono_get_exception_index_out_of_range ();
 578                         FILL_IN_TRACE (frame->ex, frame);
 579                         return -1;
 580                 }
 581         }
 582         return pos;
 583 }
 584
 585 static void
 586 ves_array_set (MonoInvocation *frame)
 587 {
 588         stackval *sp = frame->stack_args + 1;
 589
 590         MonoObject *o = frame->stack_args->data.p;
 591         MonoArray *ao = (MonoArray *) o;
 592         MonoClass *ac = o->vtable->klass;
 593
 594         g_assert (ac->rank >= 1);
 595
 596         gint32 pos = ves_array_calculate_index (ao, sp, frame);
 597         if (frame->ex)
 598                 return;
 599
 600         if (sp [ac->rank].data.p && !mono_object_class (o)->element_class->valuetype) {
 601                 MonoError error;
 602                 MonoObject *isinst = mono_object_isinst_checked (sp [ac->rank].data.p, mono_object_class (o)->element_class, &error);
 603                 mono_error_cleanup (&error);
 604                 if (!isinst) {
 605                         frame->ex = mono_get_exception_array_type_mismatch ();
 606                         FILL_IN_TRACE (frame->ex, frame);
 607                         return;
 608                 }
 609         }
 610
 611         gint32 esize = mono_array_element_size (ac);
 612         gpointer ea = mono_array_addr_with_size (ao, esize, pos);
 613
 614         MonoType *mt = mono_method_signature (frame->runtime_method->method)->params [ac->rank];
 615         stackval_to_data (mt, &sp [ac->rank], ea, FALSE);
 616 }
 617
 618 static void
 619 ves_array_get (MonoInvocation *frame)
 620 {
 621         stackval *sp = frame->stack_args + 1;
 622
 623         MonoObject *o = frame->stack_args->data.p;
 624         MonoArray *ao = (MonoArray *) o;
 625         MonoClass *ac = o->vtable->klass;
 626
 627         g_assert (ac->rank >= 1);
 628
 629         gint32 pos = ves_array_calculate_index (ao, sp, frame);
 630         if (frame->ex)
 631                 return;
 632
 633         gint32 esize = mono_array_element_size (ac);
 634         gpointer ea = mono_array_addr_with_size (ao, esize, pos);
 635
 636         MonoType *mt = mono_method_signature (frame->runtime_method->method)->ret;
 637         stackval_from_data (mt, frame->retval, ea, FALSE);
 638 }
 639
 640 static gpointer
 641 ves_array_element_address (MonoInvocation *frame, MonoClass *required_type, MonoArray *ao, stackval *sp, gboolean needs_typecheck)
 642 {
 643         MonoClass *ac = ((MonoObject *) ao)->vtable->klass;
 644
 645         g_assert (ac->rank >= 1);
 646
 647         gint32 pos = ves_array_calculate_index (ao, sp, frame);
 648         if (frame->ex)
 649                 return NULL;
 650
 651         if (needs_typecheck && !mono_class_is_assignable_from (mono_object_class ((MonoObject *) ao)->element_class, required_type->element_class)) {
 652                 frame->ex = mono_get_exception_array_type_mismatch ();
 653                 FILL_IN_TRACE (frame->ex, frame);
 654                 return NULL;
 655         }
 656         gint32 esize = mono_array_element_size (ac);
 657         return mono_array_addr_with_size (ao, esize, pos);
 658 }
 659
 660 void
 661 interp_walk_stack_with_ctx (MonoInternalStackWalk func, MonoContext *ctx, MonoUnwindOptions options, void *user_data)
 662 {
 663         MonoError error;
 664         ThreadContext *context = mono_native_tls_get_value (thread_context_id);
 665
 666         MonoInvocation *frame = context->current_frame;
 667
 668         while (frame) {
 669                 MonoStackFrameInfo fi;
 670                 memset (&fi, 0, sizeof (MonoStackFrameInfo));
 671
 672                 /* TODO: hack to make some asserts happy. */
 673                 fi.ji = (MonoJitInfo *) frame->runtime_method;
 674
 675                 if (frame->runtime_method)
 676                         fi.method = fi.actual_method = frame->runtime_method->method;
 677
 678                 if (!fi.method || (fi.method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) || (fi.method->iflags & (METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL | METHOD_IMPL_ATTRIBUTE_RUNTIME))) {
 679                         fi.il_offset = -1;
 680                         fi.type = FRAME_TYPE_MANAGED_TO_NATIVE;
 681                 } else {
 682                         MonoMethodHeader *hd = mono_method_get_header_checked (fi.method, &error);
 683                         mono_error_cleanup (&error); /* FIXME: don't swallow the error */
 684                         fi.type = FRAME_TYPE_MANAGED;
 685                         fi.il_offset = frame->ip - (const unsigned short *) hd->code;
 686                         if (!fi.method->wrapper_type)
 687                                 fi.managed = TRUE;
 688                 }
 689
 690                 if (func (&fi, ctx, user_data))
 691                         return;
 692                 frame = frame->parent;
 693         }
 694
 695         g_assert (0);
 696 }
 697
 698 static MonoPIFunc mono_interp_enter_icall_trampoline = NULL;
 699
 700 struct _MethodArguments {
 701         size_t ilen;
 702         gpointer *iargs;
 703         size_t flen;
 704         double *fargs;
 705         gpointer *retval;
 706         size_t is_float_ret;
 707 };
 708
 709 typedef struct _MethodArguments MethodArguments;
 710
 711 // TODO: this function is also arch dependent (register width).
 712 static MethodArguments* build_args_from_sig (MonoMethodSignature *sig, MonoInvocation *frame)
 713 {
 714         // TODO: don't malloc this data structure.
 715         MethodArguments *margs = g_malloc0 (sizeof (MethodArguments));
 716
 717         if (sig->hasthis)
 718                 margs->ilen++;
 719
 720         for (int i = 0; i < sig->param_count; i++) {
 721                 guint32 ptype = sig->params [i]->byref ? MONO_TYPE_PTR : sig->params [i]->type;
 722                 switch (ptype) {
 723                 case MONO_TYPE_BOOLEAN:
 724                 case MONO_TYPE_CHAR:
 725                 case MONO_TYPE_I1:
 726                 case MONO_TYPE_U1:
 727                 case MONO_TYPE_I2:
 728                 case MONO_TYPE_U2:
 729                 case MONO_TYPE_I4:
 730                 case MONO_TYPE_U4:
 731                 case MONO_TYPE_I:
 732                 case MONO_TYPE_U:
 733                 case MONO_TYPE_PTR:
 734                 case MONO_TYPE_SZARRAY:
 735                 case MONO_TYPE_CLASS:
 736                 case MONO_TYPE_OBJECT:
 737                 case MONO_TYPE_STRING:
 738                 case MONO_TYPE_I8:
 739                 case MONO_TYPE_VALUETYPE:
 740                 case MONO_TYPE_GENERICINST:
 741                         margs->ilen++;
 742                         break;
 743                 case MONO_TYPE_R4:
 744                 case MONO_TYPE_R8:
 745                         margs->flen++;
 746                         break;
 747                 default:
 748                         g_error ("build_args_from_sig: not implemented yet (1): 0x%x\n", ptype);
 749                 }
 750         }
 751
 752         if (margs->ilen > 0)
 753                 margs->iargs = g_malloc0 (sizeof (gpointer) * margs->ilen);
 754
 755         if (margs->flen > 0)
 756                 margs->fargs = g_malloc0 (sizeof (double) * margs->flen);
 757
 758         if (margs->ilen > 8)
 759                 g_error ("build_args_from_sig: TODO, allocate gregs: %d\n", margs->ilen);
 760
 761         if (margs->flen > 3)
 762                 g_error ("build_args_from_sig: TODO, allocate fregs: %d\n", margs->flen);
 763
 764
 765         size_t int_i = 0;
 766         size_t int_f = 0;
 767
 768         if (sig->hasthis) {
 769                 margs->iargs [0] = frame->stack_args->data.p;
 770                 int_i++;
 771         }
 772
 773         for (int i = 0; i < sig->param_count; i++) {
 774                 guint32 ptype = sig->params [i]->byref ? MONO_TYPE_PTR : sig->params [i]->type;
 775                 switch (ptype) {
 776                 case MONO_TYPE_BOOLEAN:
 777                 case MONO_TYPE_CHAR:
 778                 case MONO_TYPE_I1:
 779                 case MONO_TYPE_U1:
 780                 case MONO_TYPE_I2:
 781                 case MONO_TYPE_U2:
 782                 case MONO_TYPE_I4:
 783                 case MONO_TYPE_U4:
 784                 case MONO_TYPE_I:
 785                 case MONO_TYPE_U:
 786                 case MONO_TYPE_PTR:
 787                 case MONO_TYPE_SZARRAY:
 788                 case MONO_TYPE_CLASS:
 789                 case MONO_TYPE_OBJECT:
 790                 case MONO_TYPE_STRING:
 791                 case MONO_TYPE_I8:
 792                 case MONO_TYPE_VALUETYPE:
 793                 case MONO_TYPE_GENERICINST:
 794                         margs->iargs [int_i] = frame->stack_args [i].data.p;
 795 #if DEBUG_INTERP
 796                         g_print ("build_args_from_sig: margs->iargs [%d]: %p (frame @ %d)\n", int_i, margs->iargs [int_i], i);
 797 #endif
 798                         int_i++;
 799                         break;
 800                 case MONO_TYPE_R4:
 801                 case MONO_TYPE_R8:
 802                         if (ptype == MONO_TYPE_R4)
 803                                 * (float *) &(margs->fargs [int_f]) = (float) frame->stack_args [i].data.f;
 804                         else
 805                                 margs->fargs [int_f] = frame->stack_args [i].data.f;
 806 #if DEBUG_INTERP
 807                         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);
 808 #endif
 809                         int_f++;
 810                         break;
 811                 default:
 812                         g_error ("build_args_from_sig: not implemented yet (2): 0x%x\n", ptype);
 813                 }
 814         }
 815
 816         switch (sig->ret->type) {
 817                 case MONO_TYPE_BOOLEAN:
 818                 case MONO_TYPE_CHAR:
 819                 case MONO_TYPE_I1:
 820                 case MONO_TYPE_U1:
 821                 case MONO_TYPE_I2:
 822                 case MONO_TYPE_U2:
 823                 case MONO_TYPE_I4:
 824                 case MONO_TYPE_U4:
 825                 case MONO_TYPE_I:
 826                 case MONO_TYPE_U:
 827                 case MONO_TYPE_PTR:
 828                 case MONO_TYPE_SZARRAY:
 829                 case MONO_TYPE_CLASS:
 830                 case MONO_TYPE_OBJECT:
 831                 case MONO_TYPE_STRING:
 832                 case MONO_TYPE_I8:
 833                 case MONO_TYPE_VALUETYPE:
 834                 case MONO_TYPE_GENERICINST:
 835                         margs->retval = &(frame->retval->data.p);
 836                         break;
 837                 case MONO_TYPE_R4:
 838                 case MONO_TYPE_R8:
 839                         margs->retval = &(frame->retval->data.p);
 840                         margs->is_float_ret = 1;
 841                         break;
 842                 case MONO_TYPE_VOID:
 843                         margs->retval = NULL;
 844                         break;
 845                 default:
 846                         g_error ("build_args_from_sig: ret type not implemented yet: 0x%x\n", sig->ret->type);
 847         }
 848
 849         return margs;
 850 }
 851
 852 static void
 853 ves_pinvoke_method (MonoInvocation *frame, MonoMethodSignature *sig, MonoFuncV addr, gboolean string_ctor, ThreadContext *context)
 854 {
 855         jmp_buf env;
 856         MonoInvocation *old_frame = context->current_frame;
 857         MonoInvocation *old_env_frame = context->env_frame;
 858         jmp_buf *old_env = context->current_env;
 859
 860         if (setjmp (env)) {
 861                 context->current_frame = old_frame;
 862                 context->env_frame = old_env_frame;
 863                 context->current_env = old_env;
 864                 context->managed_code = 1;
 865                 return;
 866         }
 867
 868         frame->ex = NULL;
 869         context->env_frame = frame;
 870         context->current_env = &env;
 871
 872         g_assert (!frame->runtime_method);
 873         if (!mono_interp_enter_icall_trampoline) {
 874                 MonoTrampInfo *info;
 875                 mono_interp_enter_icall_trampoline = mono_arch_get_enter_icall_trampoline (&info);
 876                 // TODO:
 877                 // mono_tramp_info_register (info, NULL);
 878         }
 879
 880         MethodArguments *margs = build_args_from_sig (sig, frame);
 881 #if DEBUG_INTERP
 882         g_print ("ICALL: mono_interp_enter_icall_trampoline = %p, addr = %p\n", mono_interp_enter_icall_trampoline, addr);
 883         g_print ("margs(out): ilen=%d, flen=%d\n", margs->ilen, margs->flen);
 884 #endif
 885
 886         context->current_frame = frame;
 887         context->managed_code = 0;
 888
 889         mono_interp_enter_icall_trampoline (addr, margs);
 890
 891         context->managed_code = 1;
 892         /* domain can only be changed by native code */
 893         context->domain = mono_domain_get ();
 894
 895         if (*mono_thread_interruption_request_flag ()) {
 896                 MonoException *exc = mono_thread_interruption_checkpoint ();
 897                 if (exc) {
 898                         frame->ex = exc;
 899                         context->search_for_handler = 1;
 900                 }
 901         }
 902
 903         if (!frame->ex && !MONO_TYPE_ISSTRUCT (sig->ret))
 904                 stackval_from_data (sig->ret, frame->retval, (char*)&frame->retval->data.p, sig->pinvoke);
 905
 906         context->current_frame = old_frame;
 907         context->env_frame = old_env_frame;
 908         context->current_env = old_env;
 909
 910         g_free (margs->iargs);
 911         g_free (margs->fargs);
 912         g_free (margs);
 913 }
 914
 915 void
 916 mono_interp_init_delegate (MonoDelegate *del)
 917 {
 918         if (!del->method)
 919                 del->method = ((RuntimeMethod *) del->method_ptr)->method;
 920 }
 921
 922 /*
 923  * From the spec:
 924  * runtime specifies that the implementation of the method is automatically
 925  * provided by the runtime and is primarily used for the methods of delegates.
 926  */
 927 static void
 928 ves_runtime_method (MonoInvocation *frame, ThreadContext *context)
 929 {
 930         MonoMethod *method = frame->runtime_method->method;
 931         const char *name = method->name;
 932         MonoObject *obj = (MonoObject*) frame->stack_args->data.p;
 933         MonoObject *isinst_obj;
 934         MonoError error;
 935
 936         mono_class_init (method->klass);
 937
 938         isinst_obj = mono_object_isinst_checked (obj, mono_defaults.array_class, &error);
 939         mono_error_cleanup (&error); /* FIXME: don't swallow the error */
 940         if (obj && isinst_obj) {
 941                 if (*name == 'S' && (strcmp (name, "Set") == 0)) {
 942                         ves_array_set (frame);
 943                         return;
 944                 }
 945                 if (*name == 'G' && (strcmp (name, "Get") == 0)) {
 946                         ves_array_get (frame);
 947                         return;
 948                 }
 949         }
 950
 951         g_error ("Don't know how to exec runtime method %s.%s::%s",
 952                         method->klass->name_space, method->klass->name,
 953                         method->name);
 954 }
 955
 956 static char*
 957 dump_stack (stackval *stack, stackval *sp)
 958 {
 959         stackval *s = stack;
 960         GString *str = g_string_new ("");
 961
 962         if (sp == stack)
 963                 return g_string_free (str, FALSE);
 964
 965         while (s < sp) {
 966                 g_string_append_printf (str, "[%p (%lld)] ", s->data.l, s->data.l);
 967                 ++s;
 968         }
 969         return g_string_free (str, FALSE);
 970 }
 971
 972 static void
 973 dump_stackval (GString *str, stackval *s, MonoType *type)
 974 {
 975         switch (type->type) {
 976         case MONO_TYPE_I1:
 977         case MONO_TYPE_U1:
 978         case MONO_TYPE_I2:
 979         case MONO_TYPE_U2:
 980         case MONO_TYPE_I4:
 981         case MONO_TYPE_U4:
 982         case MONO_TYPE_CHAR:
 983         case MONO_TYPE_BOOLEAN:
 984                 g_string_append_printf (str, "[%d] ", s->data.i);
 985                 break;
 986         case MONO_TYPE_STRING:
 987         case MONO_TYPE_SZARRAY:
 988         case MONO_TYPE_CLASS:
 989         case MONO_TYPE_OBJECT:
 990         case MONO_TYPE_ARRAY:
 991         case MONO_TYPE_PTR:
 992         case MONO_TYPE_I:
 993         case MONO_TYPE_U:
 994                 g_string_append_printf (str, "[%p] ", s->data.p);
 995                 break;
 996         case MONO_TYPE_VALUETYPE:
 997                 if (type->data.klass->enumtype)
 998                         g_string_append_printf (str, "[%d] ", s->data.i);
 999                 else
1000                         g_string_append_printf (str, "[vt:%p] ", s->data.p);
1001                 break;
1002         case MONO_TYPE_R4:
1003         case MONO_TYPE_R8:
1004                 g_string_append_printf (str, "[%g] ", s->data.f);
1005                 break;
1006         case MONO_TYPE_I8:
1007         case MONO_TYPE_U8:
1008         default: {
1009                 GString *res = g_string_new ("");
1010                 mono_type_get_desc (res, type, TRUE);
1011                 g_string_append_printf (str, "[{%s} %lld/0x%0llx] ", res->str, s->data.l, s->data.l);
1012                 g_string_free (res, TRUE);
1013                 break;
1014         }
1015         }
1016 }
1017
1018 static char*
1019 dump_args (MonoInvocation *inv)
1020 {
1021         GString *str = g_string_new ("");
1022         int i;
1023         MonoMethodSignature *signature = mono_method_signature (inv->runtime_method->method);
1024
1025         if (signature->param_count == 0 && !signature->hasthis)
1026                 return g_string_free (str, FALSE);
1027
1028         if (signature->hasthis) {
1029                 MonoMethod *method = inv->runtime_method->method;
1030                 dump_stackval (str, inv->stack_args, &method->klass->byval_arg);
1031         }
1032
1033         for (i = 0; i < signature->param_count; ++i)
1034                 dump_stackval (str, inv->stack_args + (!!signature->hasthis) + i, signature->params [i]);
1035
1036         return g_string_free (str, FALSE);
1037 }
1038
1039 static char*
1040 dump_retval (MonoInvocation *inv)
1041 {
1042         GString *str = g_string_new ("");
1043         MonoType *ret = mono_method_signature (inv->runtime_method->method)->ret;
1044
1045         if (ret->type != MONO_TYPE_VOID)
1046                 dump_stackval (str, inv->retval, ret);
1047
1048         return g_string_free (str, FALSE);
1049 }
1050
1051 static char*
1052 dump_frame (MonoInvocation *inv)
1053 {
1054         GString *str = g_string_new ("");
1055         int i;
1056         char *args;
1057         MonoError error;
1058
1059         for (i = 0; inv; inv = inv->parent) {
1060                 if (inv->runtime_method != NULL) {
1061                         MonoMethod *method = inv->runtime_method->method;
1062                         MonoClass *k;
1063
1064                         int codep = 0;
1065                         const char * opname = "";
1066                         char *name;
1067                         gchar *source = NULL;
1068
1069                         k = method->klass;
1070
1071                         if ((method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) == 0 &&
1072                                 (method->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME) == 0) {
1073                                 MonoMethodHeader *hd = mono_method_get_header_checked (method, &error);
1074                                 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
1075
1076                                 if (hd != NULL) {
1077                                         if (inv->ip) {
1078                                                 opname = mono_interp_opname [*inv->ip];
1079                                                 codep = inv->ip - inv->runtime_method->code;
1080                                                 source = g_strdup_printf ("%s:%d // (TODO: proper stacktrace)", method->name, codep);
1081                                         } else
1082                                                 opname = "";
1083
1084 #if 0
1085                                         MonoDebugSourceLocation *minfo = mono_debug_lookup_method (method);
1086                                         source = mono_debug_method_lookup_location (minfo, codep);
1087 #endif
1088                                 }
1089                         }
1090                         args = dump_args (inv);
1091                         name = mono_method_full_name (method, TRUE);
1092                         if (source)
1093                                 g_string_append_printf (str, "#%d: 0x%05x %-10s in %s (%s) at %s\n", i, codep, opname, name, args, source);
1094                         else
1095                                 g_string_append_printf (str, "#%d: 0x%05x %-10s in %s (%s)\n", i, codep, opname, name, args);
1096                         g_free (name);
1097                         g_free (args);
1098                         g_free (source);
1099                         ++i;
1100                 }
1101         }
1102         return g_string_free (str, FALSE);
1103 }
1104
1105 static MonoArray *
1106 get_trace_ips (MonoDomain *domain, MonoInvocation *top)
1107 {
1108         int i;
1109         MonoArray *res;
1110         MonoInvocation *inv;
1111         MonoError error;
1112
1113         for (i = 0, inv = top; inv; inv = inv->parent)
1114                 if (inv->runtime_method != NULL)
1115                         ++i;
1116
1117         res = mono_array_new_checked (domain, mono_defaults.int_class, 2 * i, &error);
1118         mono_error_cleanup (&error); /* FIXME: don't swallow the error */
1119
1120         for (i = 0, inv = top; inv; inv = inv->parent)
1121                 if (inv->runtime_method != NULL) {
1122                         mono_array_set (res, gpointer, i, inv->runtime_method);
1123                         ++i;
1124                         mono_array_set (res, gpointer, i, (gpointer)inv->ip);
1125                         ++i;
1126                 }
1127
1128         return res;
1129 }
1130
1131
1132 #define MYGUINT64_MAX 18446744073709551615ULL
1133 #define MYGINT64_MAX 9223372036854775807LL
1134 #define MYGINT64_MIN (-MYGINT64_MAX -1LL)
1135
1136 #define MYGUINT32_MAX 4294967295U
1137 #define MYGINT32_MAX 2147483647
1138 #define MYGINT32_MIN (-MYGINT32_MAX -1)
1139
1140 #define CHECK_ADD_OVERFLOW(a,b) \
1141         (gint32)(b) >= 0 ? (gint32)(MYGINT32_MAX) - (gint32)(b) < (gint32)(a) ? -1 : 0  \
1142         : (gint32)(MYGINT32_MIN) - (gint32)(b) > (gint32)(a) ? +1 : 0
1143
1144 #define CHECK_SUB_OVERFLOW(a,b) \
1145         (gint32)(b) < 0 ? (gint32)(MYGINT32_MAX) + (gint32)(b) < (gint32)(a) ? -1 : 0   \
1146         : (gint32)(MYGINT32_MIN) + (gint32)(b) > (gint32)(a) ? +1 : 0
1147
1148 #define CHECK_ADD_OVERFLOW_UN(a,b) \
1149         (guint32)(MYGUINT32_MAX) - (guint32)(b) < (guint32)(a) ? -1 : 0
1150
1151 #define CHECK_SUB_OVERFLOW_UN(a,b) \
1152         (guint32)(a) < (guint32)(b) ? -1 : 0
1153
1154 #define CHECK_ADD_OVERFLOW64(a,b) \
1155         (gint64)(b) >= 0 ? (gint64)(MYGINT64_MAX) - (gint64)(b) < (gint64)(a) ? -1 : 0  \
1156         : (gint64)(MYGINT64_MIN) - (gint64)(b) > (gint64)(a) ? +1 : 0
1157
1158 #define CHECK_SUB_OVERFLOW64(a,b) \
1159         (gint64)(b) < 0 ? (gint64)(MYGINT64_MAX) + (gint64)(b) < (gint64)(a) ? -1 : 0   \
1160         : (gint64)(MYGINT64_MIN) + (gint64)(b) > (gint64)(a) ? +1 : 0
1161
1162 #define CHECK_ADD_OVERFLOW64_UN(a,b) \
1163         (guint64)(MYGUINT64_MAX) - (guint64)(b) < (guint64)(a) ? -1 : 0
1164
1165 #define CHECK_SUB_OVERFLOW64_UN(a,b) \
1166         (guint64)(a) < (guint64)(b) ? -1 : 0
1167
1168 #if SIZEOF_VOID_P == 4
1169 #define CHECK_ADD_OVERFLOW_NAT(a,b) CHECK_ADD_OVERFLOW(a,b)
1170 #define CHECK_ADD_OVERFLOW_NAT_UN(a,b) CHECK_ADD_OVERFLOW_UN(a,b)
1171 #else
1172 #define CHECK_ADD_OVERFLOW_NAT(a,b) CHECK_ADD_OVERFLOW64(a,b)
1173 #define CHECK_ADD_OVERFLOW_NAT_UN(a,b) CHECK_ADD_OVERFLOW64_UN(a,b)
1174 #endif
1175
1176 /* Resolves to TRUE if the operands would overflow */
1177 #define CHECK_MUL_OVERFLOW(a,b) \
1178         ((gint32)(a) == 0) || ((gint32)(b) == 0) ? 0 : \
1179         (((gint32)(a) > 0) && ((gint32)(b) == -1)) ? FALSE : \
1180         (((gint32)(a) < 0) && ((gint32)(b) == -1)) ? (a == - MYGINT32_MAX) : \
1181         (((gint32)(a) > 0) && ((gint32)(b) > 0)) ? (gint32)(a) > ((MYGINT32_MAX) / (gint32)(b)) : \
1182         (((gint32)(a) > 0) && ((gint32)(b) < 0)) ? (gint32)(a) > ((MYGINT32_MIN) / (gint32)(b)) : \
1183         (((gint32)(a) < 0) && ((gint32)(b) > 0)) ? (gint32)(a) < ((MYGINT32_MIN) / (gint32)(b)) : \
1184         (gint32)(a) < ((MYGINT32_MAX) / (gint32)(b))
1185
1186 #define CHECK_MUL_OVERFLOW_UN(a,b) \
1187         ((guint32)(a) == 0) || ((guint32)(b) == 0) ? 0 : \
1188         (guint32)(b) > ((MYGUINT32_MAX) / (guint32)(a))
1189
1190 #define CHECK_MUL_OVERFLOW64(a,b) \
1191         ((gint64)(a) == 0) || ((gint64)(b) == 0) ? 0 : \
1192         (((gint64)(a) > 0) && ((gint64)(b) == -1)) ? FALSE : \
1193         (((gint64)(a) < 0) && ((gint64)(b) == -1)) ? (a == - MYGINT64_MAX) : \
1194         (((gint64)(a) > 0) && ((gint64)(b) > 0)) ? (gint64)(a) > ((MYGINT64_MAX) / (gint64)(b)) : \
1195         (((gint64)(a) > 0) && ((gint64)(b) < 0)) ? (gint64)(a) > ((MYGINT64_MIN) / (gint64)(b)) : \
1196         (((gint64)(a) < 0) && ((gint64)(b) > 0)) ? (gint64)(a) < ((MYGINT64_MIN) / (gint64)(b)) : \
1197         (gint64)(a) < ((MYGINT64_MAX) / (gint64)(b))
1198
1199 #define CHECK_MUL_OVERFLOW64_UN(a,b) \
1200         ((guint64)(a) == 0) || ((guint64)(b) == 0) ? 0 : \
1201         (guint64)(b) > ((MYGUINT64_MAX) / (guint64)(a))
1202
1203 #if SIZEOF_VOID_P == 4
1204 #define CHECK_MUL_OVERFLOW_NAT(a,b) CHECK_MUL_OVERFLOW(a,b)
1205 #define CHECK_MUL_OVERFLOW_NAT_UN(a,b) CHECK_MUL_OVERFLOW_UN(a,b)
1206 #else
1207 #define CHECK_MUL_OVERFLOW_NAT(a,b) CHECK_MUL_OVERFLOW64(a,b)
1208 #define CHECK_MUL_OVERFLOW_NAT_UN(a,b) CHECK_MUL_OVERFLOW64_UN(a,b)
1209 #endif
1210
1211 MonoObject*
1212 mono_interp_runtime_invoke (MonoMethod *method, void *obj, void **params, MonoObject **exc, MonoError *error)
1213 {
1214         MonoInvocation frame;
1215         ThreadContext * volatile context = mono_native_tls_get_value (thread_context_id);
1216         MonoObject *retval = NULL;
1217         MonoMethodSignature *sig = mono_method_signature (method);
1218         MonoClass *klass = mono_class_from_mono_type (sig->ret);
1219         int i, type, isobject = 0;
1220         void *ret = NULL;
1221         stackval result;
1222         stackval *args = alloca (sizeof (stackval) * (sig->param_count + !!sig->hasthis));
1223         ThreadContext context_struct;
1224         MonoInvocation *old_frame = NULL;
1225         jmp_buf env;
1226
1227         error_init (error);
1228
1229         frame.ex = NULL;
1230
1231         if (setjmp(env)) {
1232                 if (context != &context_struct) {
1233                         context->domain = mono_domain_get ();
1234                         context->current_frame = old_frame;
1235                         context->managed_code = 0;
1236                 } else
1237                         mono_native_tls_set_value (thread_context_id, NULL);
1238                 if (exc != NULL)
1239                         *exc = (MonoObject *)frame.ex;
1240                 return retval;
1241         }
1242
1243         if (context == NULL) {
1244                 context = &context_struct;
1245                 context_struct.base_frame = &frame;
1246                 context_struct.current_frame = NULL;
1247                 context_struct.env_frame = &frame;
1248                 context_struct.current_env = &env;
1249                 context_struct.search_for_handler = 0;
1250                 context_struct.managed_code = 0;
1251                 mono_native_tls_set_value (thread_context_id, context);
1252         }
1253         else
1254                 old_frame = context->current_frame;
1255
1256         context->domain = mono_domain_get ();
1257
1258         switch (sig->ret->type) {
1259         case MONO_TYPE_VOID:
1260                 break;
1261         case MONO_TYPE_STRING:
1262         case MONO_TYPE_OBJECT:
1263         case MONO_TYPE_CLASS:
1264         case MONO_TYPE_ARRAY:
1265         case MONO_TYPE_SZARRAY:
1266                 isobject = 1;
1267                 break;
1268         case MONO_TYPE_VALUETYPE:
1269                 retval = mono_object_new_checked (context->domain, klass, error);
1270                 ret = ((char*)retval) + sizeof (MonoObject);
1271                 if (!sig->ret->data.klass->enumtype)
1272                         result.data.vt = ret;
1273                 break;
1274         default:
1275                 retval = mono_object_new_checked (context->domain, klass, error);
1276                 ret = ((char*)retval) + sizeof (MonoObject);
1277                 break;
1278         }
1279
1280         if (sig->hasthis)
1281                 args [0].data.p = obj;
1282
1283         for (i = 0; i < sig->param_count; ++i) {
1284                 int a_index = i + !!sig->hasthis;
1285                 if (sig->params [i]->byref) {
1286                         args [a_index].data.p = params [i];
1287                         continue;
1288                 }
1289                 type = sig->params [i]->type;
1290 handle_enum:
1291                 switch (type) {
1292                 case MONO_TYPE_U1:
1293                 case MONO_TYPE_I1:
1294                 case MONO_TYPE_BOOLEAN:
1295                         args [a_index].data.i = *(MonoBoolean*)params [i];
1296                         break;
1297                 case MONO_TYPE_U2:
1298                 case MONO_TYPE_I2:
1299                 case MONO_TYPE_CHAR:
1300                         args [a_index].data.i = *(gint16*)params [i];
1301                         break;
1302 #if SIZEOF_VOID_P == 4
1303                 case MONO_TYPE_U: /* use VAL_POINTER? */
1304                 case MONO_TYPE_I:
1305 #endif
1306                 case MONO_TYPE_U4:
1307                 case MONO_TYPE_I4:
1308                         args [a_index].data.i = *(gint32*)params [i];
1309                         break;
1310 #if SIZEOF_VOID_P == 8
1311                 case MONO_TYPE_U:
1312                 case MONO_TYPE_I:
1313 #endif
1314                 case MONO_TYPE_U8:
1315                 case MONO_TYPE_I8:
1316                         args [a_index].data.l = *(gint64*)params [i];
1317                         break;
1318                 case MONO_TYPE_VALUETYPE:
1319                         if (sig->params [i]->data.klass->enumtype) {
1320                                 type = mono_class_enum_basetype (sig->params [i]->data.klass)->type;
1321                                 goto handle_enum;
1322                         } else {
1323                                 args [a_index].data.p = params [i];
1324                         }
1325                         break;
1326                 case MONO_TYPE_STRING:
1327                 case MONO_TYPE_CLASS:
1328                 case MONO_TYPE_ARRAY:
1329                 case MONO_TYPE_SZARRAY:
1330                 case MONO_TYPE_OBJECT:
1331                         args [a_index].data.p = params [i];
1332                         break;
1333                 default:
1334                         g_error ("type 0x%x not handled in  runtime invoke", sig->params [i]->type);
1335                 }
1336         }
1337
1338         if (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL)
1339                 method = mono_marshal_get_native_wrapper (method, FALSE, FALSE);
1340         INIT_FRAME (&frame,context->current_frame,args,&result,mono_get_root_domain (),method,error);
1341         if (exc)
1342                 frame.invoke_trap = 1;
1343         context->managed_code = 1;
1344         ves_exec_method_with_context (&frame, context);
1345         context->managed_code = 0;
1346         if (context == &context_struct)
1347                 mono_native_tls_set_value (thread_context_id, NULL);
1348         else
1349                 context->current_frame = old_frame;
1350         if (frame.ex != NULL) {
1351                 if (exc != NULL) {
1352                         *exc = (MonoObject*) frame.ex;
1353                         return NULL;
1354                 }
1355                 if (context->current_env != NULL) {
1356                         context->env_frame->ex = frame.ex;
1357                         longjmp(*context->current_env, 1);
1358                 }
1359                 else
1360                         printf("dropped exception...\n");
1361         }
1362         if (sig->ret->type == MONO_TYPE_VOID && !method->string_ctor)
1363                 return NULL;
1364         if (isobject || method->string_ctor)
1365                 return result.data.p;
1366         stackval_to_data (sig->ret, &result, ret, sig->pinvoke);
1367         return retval;
1368 }
1369
1370 static stackval *
1371 do_icall (ThreadContext *context, int op, stackval *sp, gpointer ptr)
1372 {
1373         MonoInvocation *old_frame = context->current_frame;
1374         MonoInvocation *old_env_frame = context->env_frame;
1375         jmp_buf *old_env = context->current_env;
1376         jmp_buf env;
1377
1378         if (setjmp (env)) {
1379                 context->current_frame = old_frame;
1380                 context->env_frame = old_env_frame;
1381                 context->current_env = old_env;
1382                 context->managed_code = 1;
1383                 return sp;
1384         }
1385
1386         context->env_frame = context->current_frame;
1387         context->current_env = &env;
1388         context->managed_code = 0;
1389
1390         switch (op) {
1391         case MINT_ICALL_V_V: {
1392                 void (*func)() = ptr;
1393                 func ();
1394                 break;
1395         }
1396         case MINT_ICALL_V_P: {
1397                 gpointer (*func)() = ptr;
1398                 sp++;
1399                 sp [-1].data.p = func ();
1400                 break;
1401         }
1402         case MINT_ICALL_P_V: {
1403                 void (*func)(gpointer) = ptr;
1404                 func (sp [-1].data.p);
1405                 sp --;
1406                 break;
1407         }
1408         case MINT_ICALL_P_P: {
1409                 gpointer (*func)(gpointer) = ptr;
1410                 sp [-1].data.p = func (sp [-1].data.p);
1411                 break;
1412         }
1413         case MINT_ICALL_PP_V: {
1414                 void (*func)(gpointer,gpointer) = ptr;
1415                 sp -= 2;
1416                 func (sp [0].data.p, sp [1].data.p);
1417                 break;
1418         }
1419         case MINT_ICALL_PI_V: {
1420                 void (*func)(gpointer,int) = ptr;
1421                 sp -= 2;
1422                 func (sp [0].data.p, sp [1].data.i);
1423                 break;
1424         }
1425         case MINT_ICALL_PP_P: {
1426                 gpointer (*func)(gpointer,gpointer) = ptr;
1427                 --sp;
1428                 sp [-1].data.p = func (sp [-1].data.p, sp [0].data.p);
1429                 break;
1430         }
1431         case MINT_ICALL_PI_P: {
1432                 gpointer (*func)(gpointer,int) = ptr;
1433                 --sp;
1434                 sp [-1].data.p = func (sp [-1].data.p, sp [0].data.i);
1435                 break;
1436         }
1437         case MINT_ICALL_PPP_V: {
1438                 void (*func)(gpointer,gpointer,gpointer) = ptr;
1439                 sp -= 3;
1440                 func (sp [0].data.p, sp [1].data.p, sp [2].data.p);
1441                 break;
1442         }
1443         case MINT_ICALL_PPI_V: {
1444                 void (*func)(gpointer,gpointer,int) = ptr;
1445                 sp -= 3;
1446                 func (sp [0].data.p, sp [1].data.p, sp [2].data.i);
1447                 break;
1448         }
1449         default:
1450                 g_assert_not_reached ();
1451         }
1452
1453         context->env_frame = old_env_frame;
1454         context->current_env = old_env;
1455
1456         return sp;
1457 }
1458
1459 static mono_mutex_t create_method_pointer_mutex;
1460
1461 static GHashTable *method_pointer_hash = NULL;
1462
1463 static MonoMethod *method_pointers [2] = {0};
1464
1465 static MonoObject *
1466 mp_tramp_0 (MonoObject *this_obj, void **params, MonoObject **exc, void *compiled_method) {
1467         MonoError error;
1468         void *params_real[] = {this_obj, &params, &exc, &compiled_method};
1469         MonoObject *ret = mono_interp_runtime_invoke (method_pointers [0], NULL, params_real, NULL, &error);
1470         mono_error_cleanup (&error); /* FIXME: don't swallow the error */
1471         return ret;
1472 }
1473
1474 static MonoObject *
1475 mp_tramp_1 (MonoObject *this_obj, void **params, MonoObject **exc, void *compiled_method) {
1476         MonoError error;
1477         void *params_real[] = {this_obj, &params, &exc, &compiled_method};
1478         MonoObject *ret = mono_interp_runtime_invoke (method_pointers [1], NULL, params_real, NULL, &error);
1479         mono_error_cleanup (&error); /* FIXME: don't swallow the error */
1480         return ret;
1481 }
1482
1483 gpointer *mp_tramps[] = {(gpointer) mp_tramp_0, (gpointer) mp_tramp_1};
1484
1485 static int tramps_used = 0;
1486
1487 gpointer
1488 mono_interp_create_method_pointer (MonoMethod *method, MonoError *error)
1489 {
1490         gpointer addr;
1491         MonoJitInfo *ji;
1492
1493         mono_os_mutex_lock (&create_method_pointer_mutex);
1494         if (!method_pointer_hash) {
1495                 // FIXME: is registering method table as GC root really necessary?
1496                 // MONO_GC_REGISTER_ROOT_FIXED (method_pointer_hash);
1497                 method_pointer_hash = g_hash_table_new (NULL, NULL);
1498         }
1499         addr = g_hash_table_lookup (method_pointer_hash, method);
1500         if (addr) {
1501                 mono_os_mutex_unlock (&create_method_pointer_mutex);
1502                 return addr;
1503         }
1504
1505         /*
1506          * If it is a static P/Invoke method, we can just return the pointer
1507          * to the method implementation.
1508          */
1509         if (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL && ((MonoMethodPInvoke*) method)->addr) {
1510                 ji = g_new0 (MonoJitInfo, 1);
1511                 ji->d.method = method;
1512                 ji->code_size = 1;
1513                 ji->code_start = addr = ((MonoMethodPInvoke*) method)->addr;
1514
1515                 mono_jit_info_table_add (mono_get_root_domain (), ji);
1516         }
1517         else {
1518                 g_assert (method->wrapper_type == MONO_WRAPPER_RUNTIME_INVOKE);
1519                 g_assert (tramps_used < 2);
1520
1521                 /* FIXME: needs locking */
1522                 method_pointers [tramps_used] = method;
1523                 addr = mp_tramps [tramps_used];
1524                 tramps_used++;
1525         }
1526
1527         g_hash_table_insert (method_pointer_hash, method, addr);
1528         mono_os_mutex_unlock (&create_method_pointer_mutex);
1529
1530         return addr;
1531 }
1532
1533 #if COUNT_OPS
1534 static int opcode_counts[512];
1535
1536 #define COUNT_OP(op) opcode_counts[op]++
1537 #else
1538 #define COUNT_OP(op)
1539 #endif
1540
1541 #if DEBUG_INTERP
1542 #define DUMP_INSTR() \
1543         if (tracing > 1) { \
1544                 char *ins; \
1545                 if (sp > frame->stack) { \
1546                         ins = dump_stack (frame->stack, sp); \
1547                 } else { \
1548                         ins = g_strdup (""); \
1549                 } \
1550                 sp->data.l = 0; \
1551                 output_indent (); \
1552                 char *mn = mono_method_full_name (frame->runtime_method->method, FALSE); \
1553                 g_print ("(%p) %s -> ", mono_thread_internal_current (), mn); \
1554                 g_free (mn); \
1555                 mono_interp_dis_mintop(rtm->code, ip); \
1556                 g_print ("\t%d:%s\n", vt_sp - vtalloc, ins); \
1557                 g_free (ins); \
1558         }
1559 #else
1560 #define DUMP_INSTR()
1561 #endif
1562
1563 #ifdef __GNUC__
1564 #define USE_COMPUTED_GOTO 1
1565 #endif
1566 #if USE_COMPUTED_GOTO
1567 #define MINT_IN_SWITCH(op) COUNT_OP(op); goto *in_labels[op];
1568 #define MINT_IN_CASE(x) LAB_ ## x:
1569 #if DEBUG_INTERP
1570 #define MINT_IN_BREAK if (tracing > 1) goto main_loop; else { COUNT_OP(*ip); goto *in_labels[*ip]; }
1571 #else
1572 #define MINT_IN_BREAK { COUNT_OP(*ip); goto *in_labels[*ip]; }
1573 #endif
1574 #define MINT_IN_DEFAULT mint_default: if (0) goto mint_default; /* make gcc shut up */
1575 #else
1576 #define MINT_IN_SWITCH(op) switch (op)
1577 #define MINT_IN_CASE(x) case x:
1578 #define MINT_IN_BREAK break
1579 #define MINT_IN_DEFAULT default:
1580 #endif
1581
1582 /*
1583  * Defining this causes register allocation errors in some versions of gcc:
1584  * error: unable to find a register to spill in class `SIREG'
1585  */
1586 /* #define MINT_USE_DEDICATED_IP_REG */
1587
1588 static void
1589 ves_exec_method_with_context (MonoInvocation *frame, ThreadContext *context)
1590 {
1591         MonoInvocation child_frame;
1592         GSList *finally_ips = NULL;
1593         const unsigned short *endfinally_ip = NULL;
1594 #if defined(__GNUC__) && defined (i386) && defined (MINT_USE_DEDICATED_IP_REG)
1595         register const unsigned short *ip asm ("%esi");
1596 #else
1597         register const unsigned short *ip;
1598 #endif
1599         register stackval *sp;
1600         RuntimeMethod *rtm;
1601 #if DEBUG_INTERP
1602         gint tracing = global_tracing;
1603         unsigned char *vtalloc;
1604 #endif
1605         int i32;
1606         unsigned char *vt_sp;
1607         unsigned char *locals;
1608         MonoError error;
1609         MonoObject *o = NULL;
1610         MonoClass *c;
1611 #if USE_COMPUTED_GOTO
1612         static void *in_labels[] = {
1613 #define OPDEF(a,b,c,d) \
1614         &&LAB_ ## a,
1615 #include "mintops.def"
1616         0 };
1617 #endif
1618
1619         frame->ex = NULL;
1620         frame->ex_handler = NULL;
1621         frame->ip = NULL;
1622         context->current_frame = frame;
1623
1624 #if DEBUG_INTERP
1625         debug_enter (frame, &tracing);
1626 #endif
1627
1628         if (!frame->runtime_method->transformed) {
1629                 context->managed_code = 0;
1630 #if DEBUG_INTERP
1631                 char *mn = mono_method_full_name (frame->runtime_method->method, TRUE);
1632                 g_print ("(%p) Transforming %s\n", mono_thread_internal_current (), mn);
1633                 g_free (mn);
1634 #endif
1635                 frame->ex = mono_interp_transform_method (frame->runtime_method, context);
1636                 context->managed_code = 1;
1637                 if (frame->ex) {
1638                         rtm = NULL;
1639                         ip = NULL;
1640                         goto exit_frame;
1641                 }
1642         }
1643
1644         rtm = frame->runtime_method;
1645         frame->args = alloca (rtm->alloca_size);
1646         memset (frame->args, 0, rtm->alloca_size);
1647
1648         sp = frame->stack = (stackval *)((char *)frame->args + rtm->args_size);
1649         memset (sp, 0, rtm->stack_size);
1650
1651         vt_sp = (unsigned char *) sp + rtm->stack_size;
1652         memset (vt_sp, 0, rtm->vt_stack_size);
1653 #if DEBUG_INTERP
1654         vtalloc = vt_sp;
1655 #endif
1656
1657         locals = (unsigned char *) vt_sp + rtm->vt_stack_size;
1658         memset (vt_sp, 0, rtm->locals_size);
1659
1660         child_frame.parent = frame;
1661
1662         /* ready to go */
1663         ip = rtm->code;
1664
1665         /*
1666          * using while (ip < end) may result in a 15% performance drop,
1667          * but it may be useful for debug
1668          */
1669         while (1) {
1670         main_loop:
1671                 /* g_assert (sp >= frame->stack); */
1672                 /* g_assert(vt_sp - vtalloc <= rtm->vt_stack_size); */
1673                 DUMP_INSTR();
1674                 MINT_IN_SWITCH (*ip) {
1675                 MINT_IN_CASE(MINT_INITLOCALS)
1676                         memset (locals, 0, rtm->locals_size);
1677                         ++ip;
1678                         MINT_IN_BREAK;
1679                 MINT_IN_CASE(MINT_NOP)
1680                         ++ip;
1681                         MINT_IN_BREAK;
1682                 MINT_IN_CASE(MINT_BREAK)
1683                         ++ip;
1684                         G_BREAKPOINT (); /* this is not portable... */
1685                         MINT_IN_BREAK;
1686                 MINT_IN_CASE(MINT_LDNULL)
1687                         sp->data.p = NULL;
1688                         ++ip;
1689                         ++sp;
1690                         MINT_IN_BREAK;
1691                 MINT_IN_CASE(MINT_VTRESULT) {
1692                         int ret_size = * (guint16 *)(ip + 1);
1693                         unsigned char *ret_vt_sp = vt_sp;
1694                         vt_sp -= READ32(ip + 2);
1695                         if (ret_size > 0) {
1696                                 memmove (vt_sp, ret_vt_sp, ret_size);
1697                                 sp [-1].data.p = vt_sp;
1698                                 vt_sp += (ret_size + 7) & ~7;
1699                         }
1700                         ip += 4;
1701                         MINT_IN_BREAK;
1702                 }
1703 #define LDC(n) do { sp->data.i = (n); ++ip; ++sp; } while (0)
1704                 MINT_IN_CASE(MINT_LDC_I4_M1)
1705                         LDC(-1);
1706                         MINT_IN_BREAK;
1707                 MINT_IN_CASE(MINT_LDC_I4_0)
1708                         LDC(0);
1709                         MINT_IN_BREAK;
1710                 MINT_IN_CASE(MINT_LDC_I4_1)
1711                         LDC(1);
1712                         MINT_IN_BREAK;
1713                 MINT_IN_CASE(MINT_LDC_I4_2)
1714                         LDC(2);
1715                         MINT_IN_BREAK;
1716                 MINT_IN_CASE(MINT_LDC_I4_3)
1717                         LDC(3);
1718                         MINT_IN_BREAK;
1719                 MINT_IN_CASE(MINT_LDC_I4_4)
1720                         LDC(4);
1721                         MINT_IN_BREAK;
1722                 MINT_IN_CASE(MINT_LDC_I4_5)
1723                         LDC(5);
1724                         MINT_IN_BREAK;
1725                 MINT_IN_CASE(MINT_LDC_I4_6)
1726                         LDC(6);
1727                         MINT_IN_BREAK;
1728                 MINT_IN_CASE(MINT_LDC_I4_7)
1729                         LDC(7);
1730                         MINT_IN_BREAK;
1731                 MINT_IN_CASE(MINT_LDC_I4_8)
1732                         LDC(8);
1733                         MINT_IN_BREAK;
1734                 MINT_IN_CASE(MINT_LDC_I4_S)
1735                         sp->data.i = *(const short *)(ip + 1);
1736                         ip += 2;
1737                         ++sp;
1738                         MINT_IN_BREAK;
1739                 MINT_IN_CASE(MINT_LDC_I4)
1740                         ++ip;
1741                         sp->data.i = READ32 (ip);
1742                         ip += 2;
1743                         ++sp;
1744                         MINT_IN_BREAK;
1745                 MINT_IN_CASE(MINT_LDC_I8)
1746                         ++ip;
1747                         sp->data.l = READ64 (ip);
1748                         ip += 4;
1749                         ++sp;
1750                         MINT_IN_BREAK;
1751                 MINT_IN_CASE(MINT_LDC_R4) {
1752                         guint32 val;
1753                         ++ip;
1754                         val = READ32(ip);
1755                         sp->data.f = * (float *)&val;
1756                         ip += 2;
1757                         ++sp;
1758                         MINT_IN_BREAK;
1759                 }
1760                 MINT_IN_CASE(MINT_LDC_R8)
1761                         sp->data.l = READ64 (ip + 1); /* note union usage */
1762                         ip += 5;
1763                         ++sp;
1764                         MINT_IN_BREAK;
1765                 MINT_IN_CASE(MINT_DUP)
1766                         sp [0] = sp[-1];
1767                         ++sp;
1768                         ++ip;
1769                         MINT_IN_BREAK;
1770                 MINT_IN_CASE(MINT_DUP_VT)
1771                         i32 = READ32 (ip + 1);
1772                         sp->data.p = vt_sp;
1773                         memcpy(sp->data.p, sp [-1].data.p, i32);
1774                         vt_sp += (i32 + 7) & ~7;
1775                         ++sp;
1776                         ip += 3;
1777                         MINT_IN_BREAK;
1778                 MINT_IN_CASE(MINT_POP) {
1779                         guint16 u16 = (* (guint16 *)(ip + 1)) + 1;
1780                         if (u16 > 1)
1781                                 memmove (sp - u16, sp - 1, (u16 - 1) * sizeof (stackval));
1782                         sp--;
1783                         ip += 2;
1784                         MINT_IN_BREAK;
1785                 }
1786                 MINT_IN_CASE(MINT_JMP) {
1787                         RuntimeMethod *new_method = rtm->data_items [* (guint16 *)(ip + 1)];
1788                         if (!new_method->transformed) {
1789                                 frame->ip = ip;
1790                                 frame->ex = mono_interp_transform_method (new_method, context);
1791                                 if (frame->ex)
1792                                         goto exit_frame;
1793                         }
1794                         ip += 2;
1795                         if (new_method->alloca_size > rtm->alloca_size)
1796                                 g_error ("MINT_JMP to method which needs more stack space (%d > %d)", new_method->alloca_size, rtm->alloca_size);
1797                         rtm = frame->runtime_method = new_method;
1798                         vt_sp = (unsigned char *) sp + rtm->stack_size;
1799 #if DEBUG_INTERP
1800                         vtalloc = vt_sp;
1801 #endif
1802                         locals = vt_sp + rtm->vt_stack_size;
1803                         ip = rtm->new_body_start; /* bypass storing input args from callers frame */
1804                         MINT_IN_BREAK;
1805                 }
1806                 MINT_IN_CASE(MINT_CALLI) {
1807                         MonoMethodSignature *csignature;
1808                         stackval *endsp = sp;
1809
1810                         frame->ip = ip;
1811
1812                         csignature = rtm->data_items [* (guint16 *)(ip + 1)];
1813                         ip += 2;
1814                         --sp;
1815                         --endsp;
1816                         child_frame.runtime_method = sp->data.p;
1817
1818                         sp->data.p = vt_sp;
1819                         child_frame.retval = sp;
1820                         /* decrement by the actual number of args */
1821                         sp -= csignature->param_count;
1822                         if (csignature->hasthis)
1823                                 --sp;
1824                         child_frame.stack_args = sp;
1825
1826                         /* `this' can be NULL for string:.ctor */
1827                         if (csignature->hasthis && sp->data.p && mono_object_is_transparent_proxy (sp->data.p)) {
1828                                 child_frame.runtime_method = mono_interp_get_runtime_method (context->domain, mono_marshal_get_remoting_invoke (child_frame.runtime_method->method), &error);
1829                                 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
1830                         } else if (child_frame.runtime_method->method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) {
1831                                 child_frame.runtime_method = mono_interp_get_runtime_method (context->domain, mono_marshal_get_native_wrapper (child_frame.runtime_method->method, FALSE, FALSE), &error);
1832                                 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
1833                         }
1834
1835                         if (csignature->hasthis) {
1836                                 MonoObject *this_arg = sp->data.p;
1837
1838                                 if (this_arg->vtable->klass->valuetype) {
1839                                         gpointer *unboxed = mono_object_unbox (this_arg);
1840                                         sp [0].data.p = unboxed;
1841                                 }
1842                         }
1843
1844                         ves_exec_method_with_context (&child_frame, context);
1845
1846                         context->current_frame = frame;
1847
1848                         if (child_frame.ex) {
1849                                 /*
1850                                  * An exception occurred, need to run finally, fault and catch handlers..
1851                                  */
1852                                 frame->ex = child_frame.ex;
1853                                 goto handle_finally;
1854                         }
1855
1856                         /* need to handle typedbyref ... */
1857                         if (csignature->ret->type != MONO_TYPE_VOID) {
1858                                 *sp = *endsp;
1859                                 sp++;
1860                         }
1861                         MINT_IN_BREAK;
1862                 }
1863                 MINT_IN_CASE(MINT_CALLI_NAT) {
1864                         MonoMethodSignature *csignature;
1865                         stackval *endsp = sp;
1866                         unsigned char *code = NULL;
1867
1868                         frame->ip = ip;
1869
1870                         csignature = rtm->data_items [* (guint16 *)(ip + 1)];
1871                         ip += 2;
1872                         --sp;
1873                         --endsp;
1874                         code = sp->data.p;
1875                         child_frame.runtime_method = NULL;
1876
1877                         sp->data.p = vt_sp;
1878                         child_frame.retval = sp;
1879                         /* decrement by the actual number of args */
1880                         sp -= csignature->param_count;
1881                         if (csignature->hasthis)
1882                                 --sp;
1883                         child_frame.stack_args = sp;
1884                         ves_pinvoke_method (&child_frame, csignature, (MonoFuncV) code, FALSE, context);
1885
1886                         context->current_frame = frame;
1887
1888                         if (child_frame.ex) {
1889                                 /*
1890                                  * An exception occurred, need to run finally, fault and catch handlers..
1891                                  */
1892                                 frame->ex = child_frame.ex;
1893                                 if (context->search_for_handler) {
1894                                         context->search_for_handler = 0;
1895                                         goto handle_exception;
1896                                 }
1897                                 goto handle_finally;
1898                         }
1899
1900                         /* need to handle typedbyref ... */
1901                         if (csignature->ret->type != MONO_TYPE_VOID) {
1902                                 *sp = *endsp;
1903                                 sp++;
1904                         }
1905                         MINT_IN_BREAK;
1906                 }
1907                 MINT_IN_CASE(MINT_CALL) {
1908                         stackval *endsp = sp;
1909
1910                         frame->ip = ip;
1911
1912                         child_frame.runtime_method = rtm->data_items [* (guint16 *)(ip + 1)];
1913                         ip += 2;
1914                         sp->data.p = vt_sp;
1915                         child_frame.retval = sp;
1916                         /* decrement by the actual number of args */
1917                         sp -= child_frame.runtime_method->param_count;
1918                         if (child_frame.runtime_method->hasthis)
1919                                 --sp;
1920                         child_frame.stack_args = sp;
1921
1922                         /* `this' can be NULL for string:.ctor */
1923                         if (child_frame.runtime_method->hasthis && !child_frame.runtime_method->method->klass->valuetype && sp->data.p && mono_object_is_transparent_proxy (sp->data.p)) {
1924                                 child_frame.runtime_method = mono_interp_get_runtime_method (context->domain, mono_marshal_get_remoting_invoke (child_frame.runtime_method->method), &error);
1925                                 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
1926                         }
1927                         ves_exec_method_with_context (&child_frame, context);
1928
1929                         context->current_frame = frame;
1930
1931                         if (child_frame.ex) {
1932                                 /*
1933                                  * An exception occurred, need to run finally, fault and catch handlers..
1934                                  */
1935                                 frame->ex = child_frame.ex;
1936                                 goto handle_exception;;
1937                         }
1938
1939                         /* need to handle typedbyref ... */
1940                         *sp = *endsp;
1941                         sp++;
1942                         MINT_IN_BREAK;
1943                 }
1944                 MINT_IN_CASE(MINT_VCALL) {
1945                         frame->ip = ip;
1946
1947                         child_frame.runtime_method = rtm->data_items [* (guint16 *)(ip + 1)];
1948                         ip += 2;
1949
1950                         sp->data.p = vt_sp;
1951                         child_frame.retval = sp;
1952                         /* decrement by the actual number of args */
1953                         sp -= child_frame.runtime_method->param_count;
1954                         if (child_frame.runtime_method->hasthis) {
1955                                 --sp;
1956                                 MonoObject *this_arg = sp->data.p;
1957                                 if (!this_arg)
1958                                         THROW_EX (mono_get_exception_null_reference(), ip - 2);
1959                         }
1960                         child_frame.stack_args = sp;
1961
1962                         if (child_frame.runtime_method->hasthis && !child_frame.runtime_method->method->klass->valuetype && mono_object_is_transparent_proxy (sp->data.p)) {
1963                                 child_frame.runtime_method = mono_interp_get_runtime_method (context->domain, mono_marshal_get_remoting_invoke (child_frame.runtime_method->method), &error);
1964                                 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
1965                         }
1966
1967                         ves_exec_method_with_context (&child_frame, context);
1968
1969                         context->current_frame = frame;
1970
1971                         if (child_frame.ex) {
1972                                 /*
1973                                  * An exception occurred, need to run finally, fault and catch handlers..
1974                                  */
1975                                 frame->ex = child_frame.ex;
1976                                 goto handle_finally;
1977                         }
1978                         MINT_IN_BREAK;
1979                 }
1980                 MINT_IN_CASE(MINT_CALLVIRT) {
1981                         stackval *endsp = sp;
1982                         MonoObject *this_arg;
1983                         guint32 token;
1984
1985                         frame->ip = ip;
1986
1987                         token = * (unsigned short *)(ip + 1);
1988                         ip += 2;
1989                         child_frame.runtime_method = rtm->data_items [token];
1990                         sp->data.p = vt_sp;
1991                         child_frame.retval = sp;
1992
1993                         /* decrement by the actual number of args */
1994                         sp -= child_frame.runtime_method->param_count + 1;
1995                         child_frame.stack_args = sp;
1996                         this_arg = sp->data.p;
1997                         if (!this_arg)
1998                                 THROW_EX (mono_get_exception_null_reference(), ip - 2);
1999                         child_frame.runtime_method = get_virtual_method (context->domain, child_frame.runtime_method, this_arg);
2000
2001                         MonoClass *this_class = this_arg->vtable->klass;
2002                         if (this_class->valuetype && child_frame.runtime_method->method->klass->valuetype) {
2003                                 /* unbox */
2004                                 gpointer *unboxed = mono_object_unbox (this_arg);
2005                                 sp [0].data.p = unboxed;
2006                         }
2007
2008                         ves_exec_method_with_context (&child_frame, context);
2009
2010                         context->current_frame = frame;
2011
2012                         if (child_frame.ex) {
2013                                 /*
2014                                  * An exception occurred, need to run finally, fault and catch handlers..
2015                                  */
2016                                 frame->ex = child_frame.ex;
2017                                 if (context->search_for_handler) {
2018                                         context->search_for_handler = 0;
2019                                         goto handle_exception;
2020                                 }
2021                                 goto handle_finally;
2022                         }
2023
2024                         /* need to handle typedbyref ... */
2025                         *sp = *endsp;
2026                         sp++;
2027                         MINT_IN_BREAK;
2028                 }
2029                 MINT_IN_CASE(MINT_VCALLVIRT) {
2030                         MonoObject *this_arg;
2031                         guint32 token;
2032
2033                         frame->ip = ip;
2034
2035                         token = * (unsigned short *)(ip + 1);
2036                         ip += 2;
2037                         child_frame.runtime_method = rtm->data_items [token];
2038                         sp->data.p = vt_sp;
2039                         child_frame.retval = sp;
2040
2041                         /* decrement by the actual number of args */
2042                         sp -= child_frame.runtime_method->param_count + 1;
2043                         child_frame.stack_args = sp;
2044                         this_arg = sp->data.p;
2045                         if (!this_arg)
2046                                 THROW_EX (mono_get_exception_null_reference(), ip - 2);
2047                         child_frame.runtime_method = get_virtual_method (context->domain, child_frame.runtime_method, this_arg);
2048
2049                         MonoClass *this_class = this_arg->vtable->klass;
2050                         if (this_class->valuetype && child_frame.runtime_method->method->klass->valuetype) {
2051                                 gpointer *unboxed = mono_object_unbox (this_arg);
2052                                 sp [0].data.p = unboxed;
2053                         }
2054
2055                         ves_exec_method_with_context (&child_frame, context);
2056
2057                         context->current_frame = frame;
2058
2059                         if (child_frame.ex) {
2060                                 /*
2061                                  * An exception occurred, need to run finally, fault and catch handlers..
2062                                  */
2063                                 frame->ex = child_frame.ex;
2064                                 if (context->search_for_handler) {
2065                                         context->search_for_handler = 0;
2066                                         goto handle_exception;
2067                                 }
2068                                 goto handle_finally;
2069                         }
2070                         MINT_IN_BREAK;
2071                 }
2072                 MINT_IN_CASE(MINT_CALLRUN)
2073                         ves_runtime_method (frame, context);
2074                         if (frame->ex) {
2075                                 rtm = NULL;
2076                                 goto handle_exception;
2077                         }
2078                         goto exit_frame;
2079                 MINT_IN_CASE(MINT_RET)
2080                         --sp;
2081                         *frame->retval = *sp;
2082                         if (sp > frame->stack)
2083                                 g_warning ("ret: more values on stack: %d", sp-frame->stack);
2084                         goto exit_frame;
2085                 MINT_IN_CASE(MINT_RET_VOID)
2086                         if (sp > frame->stack)
2087                                 g_warning ("ret.void: more values on stack: %d", sp-frame->stack);
2088                         goto exit_frame;
2089                 MINT_IN_CASE(MINT_RET_VT)
2090                         i32 = READ32(ip + 1);
2091                         --sp;
2092                         memcpy(frame->retval->data.p, sp->data.p, i32);
2093                         if (sp > frame->stack)
2094                                 g_warning ("ret.vt: more values on stack: %d", sp-frame->stack);
2095                         goto exit_frame;
2096                 MINT_IN_CASE(MINT_BR_S)
2097                         ip += (short) *(ip + 1);
2098                         MINT_IN_BREAK;
2099                 MINT_IN_CASE(MINT_BR)
2100                         ip += (gint32) READ32(ip + 1);
2101                         MINT_IN_BREAK;
2102 #define ZEROP_S(datamem, op) \
2103         --sp; \
2104         if (sp->data.datamem op 0) \
2105                 ip += * (gint16 *)(ip + 1); \
2106         else \
2107                 ip += 2;
2108
2109 #define ZEROP(datamem, op) \
2110         --sp; \
2111         if (sp->data.datamem op 0) \
2112                 ip += READ32(ip + 1); \
2113         else \
2114                 ip += 3;
2115
2116                 MINT_IN_CASE(MINT_BRFALSE_I4_S)
2117                         ZEROP_S(i, ==);
2118                         MINT_IN_BREAK;
2119                 MINT_IN_CASE(MINT_BRFALSE_I8_S)
2120                         ZEROP_S(l, ==);
2121                         MINT_IN_BREAK;
2122                 MINT_IN_CASE(MINT_BRFALSE_R8_S)
2123                         ZEROP_S(f, ==);
2124                         MINT_IN_BREAK;
2125                 MINT_IN_CASE(MINT_BRFALSE_I4)
2126                         ZEROP(i, ==);
2127                         MINT_IN_BREAK;
2128                 MINT_IN_CASE(MINT_BRFALSE_I8)
2129                         ZEROP(l, ==);
2130                         MINT_IN_BREAK;
2131                 MINT_IN_CASE(MINT_BRFALSE_R8)
2132                         ZEROP_S(f, ==);
2133                         MINT_IN_BREAK;
2134                 MINT_IN_CASE(MINT_BRTRUE_I4_S)
2135                         ZEROP_S(i, !=);
2136                         MINT_IN_BREAK;
2137                 MINT_IN_CASE(MINT_BRTRUE_I8_S)
2138                         ZEROP_S(l, !=);
2139                         MINT_IN_BREAK;
2140                 MINT_IN_CASE(MINT_BRTRUE_R8_S)
2141                         ZEROP_S(f, !=);
2142                         MINT_IN_BREAK;
2143                 MINT_IN_CASE(MINT_BRTRUE_I4)
2144                         ZEROP(i, !=);
2145                         MINT_IN_BREAK;
2146                 MINT_IN_CASE(MINT_BRTRUE_I8)
2147                         ZEROP(l, !=);
2148                         MINT_IN_BREAK;
2149                 MINT_IN_CASE(MINT_BRTRUE_R8)
2150                         ZEROP(f, !=);
2151                         MINT_IN_BREAK;
2152 #define CONDBR_S(cond) \
2153         sp -= 2; \
2154         if (cond) \
2155                 ip += * (gint16 *)(ip + 1); \
2156         else \
2157                 ip += 2;
2158 #define BRELOP_S(datamem, op) \
2159         CONDBR_S(sp[0].data.datamem op sp[1].data.datamem)
2160
2161 #define CONDBR(cond) \
2162         sp -= 2; \
2163         if (cond) \
2164                 ip += READ32(ip + 1); \
2165         else \
2166                 ip += 3;
2167
2168 #define BRELOP(datamem, op) \
2169         CONDBR(sp[0].data.datamem op sp[1].data.datamem)
2170
2171                 MINT_IN_CASE(MINT_BEQ_I4_S)
2172                         BRELOP_S(i, ==)
2173                         MINT_IN_BREAK;
2174                 MINT_IN_CASE(MINT_BEQ_I8_S)
2175                         BRELOP_S(l, ==)
2176                         MINT_IN_BREAK;
2177                 MINT_IN_CASE(MINT_BEQ_R8_S)
2178                         CONDBR_S(!isunordered (sp [0].data.f, sp [1].data.f) && sp[0].data.f == sp[1].data.f)
2179                         MINT_IN_BREAK;
2180                 MINT_IN_CASE(MINT_BEQ_I4)
2181                         BRELOP(i, ==)
2182                         MINT_IN_BREAK;
2183                 MINT_IN_CASE(MINT_BEQ_I8)
2184                         BRELOP(l, ==)
2185                         MINT_IN_BREAK;
2186                 MINT_IN_CASE(MINT_BEQ_R8)
2187                         CONDBR(!isunordered (sp [0].data.f, sp [1].data.f) && sp[0].data.f == sp[1].data.f)
2188                         MINT_IN_BREAK;
2189                 MINT_IN_CASE(MINT_BGE_I4_S)
2190                         BRELOP_S(i, >=)
2191                         MINT_IN_BREAK;
2192                 MINT_IN_CASE(MINT_BGE_I8_S)
2193                         BRELOP_S(l, >=)
2194                         MINT_IN_BREAK;
2195                 MINT_IN_CASE(MINT_BGE_R8_S)
2196                         CONDBR_S(!isunordered (sp [0].data.f, sp [1].data.f) && sp[0].data.f >= sp[1].data.f)
2197                         MINT_IN_BREAK;
2198                 MINT_IN_CASE(MINT_BGE_I4)
2199                         BRELOP(i, >=)
2200                         MINT_IN_BREAK;
2201                 MINT_IN_CASE(MINT_BGE_I8)
2202                         BRELOP(l, >=)
2203                         MINT_IN_BREAK;
2204                 MINT_IN_CASE(MINT_BGE_R8)
2205                         CONDBR(!isunordered (sp [0].data.f, sp [1].data.f) && sp[0].data.f >= sp[1].data.f)
2206                         MINT_IN_BREAK;
2207                 MINT_IN_CASE(MINT_BGT_I4_S)
2208                         BRELOP_S(i, >)
2209                         MINT_IN_BREAK;
2210                 MINT_IN_CASE(MINT_BGT_I8_S)
2211                         BRELOP_S(l, >)
2212                         MINT_IN_BREAK;
2213                 MINT_IN_CASE(MINT_BGT_R8_S)
2214                         CONDBR_S(!isunordered (sp [0].data.f, sp [1].data.f) && sp[0].data.f > sp[1].data.f)
2215                         MINT_IN_BREAK;
2216                 MINT_IN_CASE(MINT_BGT_I4)
2217                         BRELOP(i, >)
2218                         MINT_IN_BREAK;
2219                 MINT_IN_CASE(MINT_BGT_I8)
2220                         BRELOP(l, >)
2221                         MINT_IN_BREAK;
2222                 MINT_IN_CASE(MINT_BGT_R8)
2223                         CONDBR(!isunordered (sp [0].data.f, sp [1].data.f) && sp[0].data.f > sp[1].data.f)
2224                         MINT_IN_BREAK;
2225                 MINT_IN_CASE(MINT_BLT_I4_S)
2226                         BRELOP_S(i, <)
2227                         MINT_IN_BREAK;
2228                 MINT_IN_CASE(MINT_BLT_I8_S)
2229                         BRELOP_S(l, <)
2230                         MINT_IN_BREAK;
2231                 MINT_IN_CASE(MINT_BLT_R8_S)
2232                         CONDBR_S(!isunordered (sp [0].data.f, sp [1].data.f) && sp[0].data.f < sp[1].data.f)
2233                         MINT_IN_BREAK;
2234                 MINT_IN_CASE(MINT_BLT_I4)
2235                         BRELOP(i, <)
2236                         MINT_IN_BREAK;
2237                 MINT_IN_CASE(MINT_BLT_I8)
2238                         BRELOP(l, <)
2239                         MINT_IN_BREAK;
2240                 MINT_IN_CASE(MINT_BLT_R8)
2241                         CONDBR(!isunordered (sp [0].data.f, sp [1].data.f) && sp[0].data.f < sp[1].data.f)
2242                         MINT_IN_BREAK;
2243                 MINT_IN_CASE(MINT_BLE_I4_S)
2244                         BRELOP_S(i, <=)
2245                         MINT_IN_BREAK;
2246                 MINT_IN_CASE(MINT_BLE_I8_S)
2247                         BRELOP_S(l, <=)
2248                         MINT_IN_BREAK;
2249                 MINT_IN_CASE(MINT_BLE_R8_S)
2250                         CONDBR_S(!isunordered (sp [0].data.f, sp [1].data.f) && sp[0].data.f <= sp[1].data.f)
2251                         MINT_IN_BREAK;
2252                 MINT_IN_CASE(MINT_BLE_I4)
2253                         BRELOP(i, <=)
2254                         MINT_IN_BREAK;
2255                 MINT_IN_CASE(MINT_BLE_I8)
2256                         BRELOP(l, <=)
2257                         MINT_IN_BREAK;
2258                 MINT_IN_CASE(MINT_BLE_R8)
2259                         CONDBR(!isunordered (sp [0].data.f, sp [1].data.f) && sp[0].data.f <= sp[1].data.f)
2260                         MINT_IN_BREAK;
2261                 MINT_IN_CASE(MINT_BNE_UN_I4_S)
2262                         BRELOP_S(i, !=)
2263                         MINT_IN_BREAK;
2264                 MINT_IN_CASE(MINT_BNE_UN_I8_S)
2265                         BRELOP_S(l, !=)
2266                         MINT_IN_BREAK;
2267                 MINT_IN_CASE(MINT_BNE_UN_R8_S)
2268                         CONDBR_S(isunordered (sp [0].data.f, sp [1].data.f) || sp[0].data.f != sp[1].data.f)
2269                         MINT_IN_BREAK;
2270                 MINT_IN_CASE(MINT_BNE_UN_I4)
2271                         BRELOP(i, !=)
2272                         MINT_IN_BREAK;
2273                 MINT_IN_CASE(MINT_BNE_UN_I8)
2274                         BRELOP(l, !=)
2275                         MINT_IN_BREAK;
2276                 MINT_IN_CASE(MINT_BNE_UN_R8)
2277                         CONDBR(isunordered (sp [0].data.f, sp [1].data.f) || sp[0].data.f != sp[1].data.f)
2278                         MINT_IN_BREAK;
2279
2280 #define BRELOP_S_CAST(datamem, op, type) \
2281         sp -= 2; \
2282         if ((type) sp[0].data.datamem op (type) sp[1].data.datamem) \
2283                 ip += * (gint16 *)(ip + 1); \
2284         else \
2285                 ip += 2;
2286
2287 #define BRELOP_CAST(datamem, op, type) \
2288         sp -= 2; \
2289         if ((type) sp[0].data.datamem op (type) sp[1].data.datamem) \
2290                 ip += READ32(ip + 1); \
2291         else \
2292                 ip += 3;
2293
2294                 MINT_IN_CASE(MINT_BGE_UN_I4_S)
2295                         BRELOP_S_CAST(i, >=, guint32);
2296                         MINT_IN_BREAK;
2297                 MINT_IN_CASE(MINT_BGE_UN_I8_S)
2298                         BRELOP_S_CAST(l, >=, guint64);
2299                         MINT_IN_BREAK;
2300                 MINT_IN_CASE(MINT_BGE_UN_R8_S)
2301                         CONDBR_S(isunordered (sp [0].data.f, sp [1].data.f) || sp[0].data.f >= sp[1].data.f)
2302                         MINT_IN_BREAK;
2303                 MINT_IN_CASE(MINT_BGE_UN_I4)
2304                         BRELOP_CAST(i, >=, guint32);
2305                         MINT_IN_BREAK;
2306                 MINT_IN_CASE(MINT_BGE_UN_I8)
2307                         BRELOP_CAST(l, >=, guint64);
2308                         MINT_IN_BREAK;
2309                 MINT_IN_CASE(MINT_BGE_UN_R8)
2310                         CONDBR(isunordered (sp [0].data.f, sp [1].data.f) || sp[0].data.f >= sp[1].data.f)
2311                         MINT_IN_BREAK;
2312                 MINT_IN_CASE(MINT_BGT_UN_I4_S)
2313                         BRELOP_S_CAST(i, >, guint32);
2314                         MINT_IN_BREAK;
2315                 MINT_IN_CASE(MINT_BGT_UN_I8_S)
2316                         BRELOP_S_CAST(l, >, guint64);
2317                         MINT_IN_BREAK;
2318                 MINT_IN_CASE(MINT_BGT_UN_R8_S)
2319                         CONDBR_S(isunordered (sp [0].data.f, sp [1].data.f) || sp[0].data.f > sp[1].data.f)
2320                         MINT_IN_BREAK;
2321                 MINT_IN_CASE(MINT_BGT_UN_I4)
2322                         BRELOP_CAST(i, >, guint32);
2323                         MINT_IN_BREAK;
2324                 MINT_IN_CASE(MINT_BGT_UN_I8)
2325                         BRELOP_CAST(l, >, guint64);
2326                         MINT_IN_BREAK;
2327                 MINT_IN_CASE(MINT_BGT_UN_R8)
2328                         CONDBR(isunordered (sp [0].data.f, sp [1].data.f) || sp[0].data.f > sp[1].data.f)
2329                         MINT_IN_BREAK;
2330                 MINT_IN_CASE(MINT_BLE_UN_I4_S)
2331                         BRELOP_S_CAST(i, <=, guint32);
2332                         MINT_IN_BREAK;
2333                 MINT_IN_CASE(MINT_BLE_UN_I8_S)
2334                         BRELOP_S_CAST(l, <=, guint64);
2335                         MINT_IN_BREAK;
2336                 MINT_IN_CASE(MINT_BLE_UN_R8_S)
2337                         CONDBR_S(isunordered (sp [0].data.f, sp [1].data.f) || sp[0].data.f <= sp[1].data.f)
2338                         MINT_IN_BREAK;
2339                 MINT_IN_CASE(MINT_BLE_UN_I4)
2340                         BRELOP_CAST(i, <=, guint32);
2341                         MINT_IN_BREAK;
2342                 MINT_IN_CASE(MINT_BLE_UN_I8)
2343                         BRELOP_CAST(l, <=, guint64);
2344                         MINT_IN_BREAK;
2345                 MINT_IN_CASE(MINT_BLE_UN_R8)
2346                         CONDBR(isunordered (sp [0].data.f, sp [1].data.f) || sp[0].data.f <= sp[1].data.f)
2347                         MINT_IN_BREAK;
2348                 MINT_IN_CASE(MINT_BLT_UN_I4_S)
2349                         BRELOP_S_CAST(i, <, guint32);
2350                         MINT_IN_BREAK;
2351                 MINT_IN_CASE(MINT_BLT_UN_I8_S)
2352                         BRELOP_S_CAST(l, <, guint64);
2353                         MINT_IN_BREAK;
2354                 MINT_IN_CASE(MINT_BLT_UN_R8_S)
2355                         CONDBR_S(isunordered (sp [0].data.f, sp [1].data.f) || sp[0].data.f < sp[1].data.f)
2356                         MINT_IN_BREAK;
2357                 MINT_IN_CASE(MINT_BLT_UN_I4)
2358                         BRELOP_CAST(i, <, guint32);
2359                         MINT_IN_BREAK;
2360                 MINT_IN_CASE(MINT_BLT_UN_I8)
2361                         BRELOP_CAST(l, <, guint64);
2362                         MINT_IN_BREAK;
2363                 MINT_IN_CASE(MINT_BLT_UN_R8)
2364                         CONDBR(isunordered (sp [0].data.f, sp [1].data.f) || sp[0].data.f < sp[1].data.f)
2365                         MINT_IN_BREAK;
2366                 MINT_IN_CASE(MINT_SWITCH) {
2367                         guint32 n;
2368                         const unsigned short *st;
2369                         ++ip;
2370                         n = READ32 (ip);
2371                         ip += 2;
2372                         st = ip + 2 * n;
2373                         --sp;
2374                         if ((guint32)sp->data.i < n) {
2375                                 gint offset;
2376                                 ip += 2 * (guint32)sp->data.i;
2377                                 offset = READ32 (ip);
2378                                 ip = st + offset;
2379                         } else {
2380                                 ip = st;
2381                         }
2382                         MINT_IN_BREAK;
2383                 }
2384                 MINT_IN_CASE(MINT_LDIND_I1)
2385                         ++ip;
2386                         sp[-1].data.i = *(gint8*)sp[-1].data.p;
2387                         MINT_IN_BREAK;
2388                 MINT_IN_CASE(MINT_LDIND_U1)
2389                         ++ip;
2390                         sp[-1].data.i = *(guint8*)sp[-1].data.p;
2391                         MINT_IN_BREAK;
2392                 MINT_IN_CASE(MINT_LDIND_I2)
2393                         ++ip;
2394                         sp[-1].data.i = *(gint16*)sp[-1].data.p;
2395                         MINT_IN_BREAK;
2396                 MINT_IN_CASE(MINT_LDIND_U2)
2397                         ++ip;
2398                         sp[-1].data.i = *(guint16*)sp[-1].data.p;
2399                         MINT_IN_BREAK;
2400                 MINT_IN_CASE(MINT_LDIND_I4) /* Fall through */
2401                 MINT_IN_CASE(MINT_LDIND_U4)
2402                         ++ip;
2403                         sp[-1].data.i = *(gint32*)sp[-1].data.p;
2404                         MINT_IN_BREAK;
2405                 MINT_IN_CASE(MINT_LDIND_I8)
2406                         ++ip;
2407                         sp[-1].data.l = *(gint64*)sp[-1].data.p;
2408                         MINT_IN_BREAK;
2409                 MINT_IN_CASE(MINT_LDIND_I) {
2410                         guint16 offset = * (guint16 *)(ip + 1);
2411                         sp[-1 - offset].data.p = *(gpointer*)sp[-1 - offset].data.p;
2412                         ip += 2;
2413                         MINT_IN_BREAK;
2414                 }
2415                 MINT_IN_CASE(MINT_LDIND_R4)
2416                         ++ip;
2417                         sp[-1].data.f = *(gfloat*)sp[-1].data.p;
2418                         MINT_IN_BREAK;
2419                 MINT_IN_CASE(MINT_LDIND_R8)
2420                         ++ip;
2421                         sp[-1].data.f = *(gdouble*)sp[-1].data.p;
2422                         MINT_IN_BREAK;
2423                 MINT_IN_CASE(MINT_LDIND_REF)
2424                         ++ip;
2425                         sp[-1].data.p = *(gpointer*)sp[-1].data.p;
2426                         MINT_IN_BREAK;
2427                 MINT_IN_CASE(MINT_STIND_REF)
2428                         ++ip;
2429                         sp -= 2;
2430                         * (gpointer *) sp->data.p = sp[1].data.p;
2431                         MINT_IN_BREAK;
2432                 MINT_IN_CASE(MINT_STIND_I1)
2433                         ++ip;
2434                         sp -= 2;
2435                         * (gint8 *) sp->data.p = (gint8)sp[1].data.i;
2436                         MINT_IN_BREAK;
2437                 MINT_IN_CASE(MINT_STIND_I2)
2438                         ++ip;
2439                         sp -= 2;
2440                         * (gint16 *) sp->data.p = (gint16)sp[1].data.i;
2441                         MINT_IN_BREAK;
2442                 MINT_IN_CASE(MINT_STIND_I4)
2443                         ++ip;
2444                         sp -= 2;
2445                         * (gint32 *) sp->data.p = sp[1].data.i;
2446                         MINT_IN_BREAK;
2447                 MINT_IN_CASE(MINT_STIND_I)
2448                         ++ip;
2449                         sp -= 2;
2450                         * (mono_i *) sp->data.p = (mono_i)sp[1].data.p;
2451                         MINT_IN_BREAK;
2452                 MINT_IN_CASE(MINT_STIND_I8)
2453                         ++ip;
2454                         sp -= 2;
2455                         * (gint64 *) sp->data.p = sp[1].data.l;
2456                         MINT_IN_BREAK;
2457                 MINT_IN_CASE(MINT_STIND_R4)
2458                         ++ip;
2459                         sp -= 2;
2460                         * (float *) sp->data.p = (gfloat)sp[1].data.f;
2461                         MINT_IN_BREAK;
2462                 MINT_IN_CASE(MINT_STIND_R8)
2463                         ++ip;
2464                         sp -= 2;
2465                         * (double *) sp->data.p = sp[1].data.f;
2466                         MINT_IN_BREAK;
2467 #define BINOP(datamem, op) \
2468         --sp; \
2469         sp [-1].data.datamem = sp [-1].data.datamem op sp [0].data.datamem; \
2470         ++ip;
2471                 MINT_IN_CASE(MINT_ADD_I4)
2472                         BINOP(i, +);
2473                         MINT_IN_BREAK;
2474                 MINT_IN_CASE(MINT_ADD_I8)
2475                         BINOP(l, +);
2476                         MINT_IN_BREAK;
2477                 MINT_IN_CASE(MINT_ADD_R8)
2478                         BINOP(f, +);
2479                         MINT_IN_BREAK;
2480                 MINT_IN_CASE(MINT_ADD1_I4)
2481                         ++sp [-1].data.i;
2482                         ++ip;
2483                         MINT_IN_BREAK;
2484                 MINT_IN_CASE(MINT_SUB_I4)
2485                         BINOP(i, -);
2486                         MINT_IN_BREAK;
2487                 MINT_IN_CASE(MINT_SUB_I8)
2488                         BINOP(l, -);
2489                         MINT_IN_BREAK;
2490                 MINT_IN_CASE(MINT_SUB_R8)
2491                         BINOP(f, -);
2492                         MINT_IN_BREAK;
2493                 MINT_IN_CASE(MINT_SUB1_I4)
2494                         --sp [-1].data.i;
2495                         ++ip;
2496                         MINT_IN_BREAK;
2497                 MINT_IN_CASE(MINT_MUL_I4)
2498                         BINOP(i, *);
2499                         MINT_IN_BREAK;
2500                 MINT_IN_CASE(MINT_MUL_I8)
2501                         BINOP(l, *);
2502                         MINT_IN_BREAK;
2503                 MINT_IN_CASE(MINT_MUL_R8)
2504                         BINOP(f, *);
2505                         MINT_IN_BREAK;
2506                 MINT_IN_CASE(MINT_DIV_I4)
2507                         if (sp [-1].data.i == 0)
2508                                 THROW_EX (mono_get_exception_divide_by_zero (), ip);
2509                         if (sp [-1].data.i == (-1))
2510                                 THROW_EX (mono_get_exception_overflow (), ip);
2511                         BINOP(i, /);
2512                         MINT_IN_BREAK;
2513                 MINT_IN_CASE(MINT_DIV_I8)
2514                         if (sp [-1].data.l == 0)
2515                                 THROW_EX (mono_get_exception_divide_by_zero (), ip);
2516                         if (sp [-1].data.l == (-1))
2517                                 THROW_EX (mono_get_exception_overflow (), ip);
2518                         BINOP(l, /);
2519                         MINT_IN_BREAK;
2520                 MINT_IN_CASE(MINT_DIV_R8)
2521                         BINOP(f, /);
2522                         MINT_IN_BREAK;
2523
2524 #define BINOP_CAST(datamem, op, type) \
2525         --sp; \
2526         sp [-1].data.datamem = (type)sp [-1].data.datamem op (type)sp [0].data.datamem; \
2527         ++ip;
2528                 MINT_IN_CASE(MINT_DIV_UN_I4)
2529                         if (sp [-1].data.i == 0)
2530                                 THROW_EX (mono_get_exception_divide_by_zero (), ip);
2531                         BINOP_CAST(i, /, guint32);
2532                         MINT_IN_BREAK;
2533                 MINT_IN_CASE(MINT_DIV_UN_I8)
2534                         if (sp [-1].data.l == 0)
2535                                 THROW_EX (mono_get_exception_divide_by_zero (), ip);
2536                         BINOP_CAST(l, /, guint64);
2537                         MINT_IN_BREAK;
2538                 MINT_IN_CASE(MINT_REM_I4)
2539                         if (sp [-1].data.i == 0)
2540                                 THROW_EX (mono_get_exception_divide_by_zero (), ip);
2541                         if (sp [-1].data.i == (-1))
2542                                 THROW_EX (mono_get_exception_overflow (), ip);
2543                         BINOP(i, %);
2544                         MINT_IN_BREAK;
2545                 MINT_IN_CASE(MINT_REM_I8)
2546                         if (sp [-1].data.l == 0)
2547                                 THROW_EX (mono_get_exception_divide_by_zero (), ip);
2548                         if (sp [-1].data.l == (-1))
2549                                 THROW_EX (mono_get_exception_overflow (), ip);
2550                         BINOP(l, %);
2551                         MINT_IN_BREAK;
2552                 MINT_IN_CASE(MINT_REM_R8)
2553                         /* FIXME: what do we actually do here? */
2554                         --sp;
2555                         sp [-1].data.f = fmod (sp [-1].data.f, sp [0].data.f);
2556                         ++ip;
2557                         MINT_IN_BREAK;
2558                 MINT_IN_CASE(MINT_REM_UN_I4)
2559                         if (sp [-1].data.i == 0)
2560                                 THROW_EX (mono_get_exception_divide_by_zero (), ip);
2561                         BINOP_CAST(i, %, guint32);
2562                         MINT_IN_BREAK;
2563                 MINT_IN_CASE(MINT_REM_UN_I8)
2564                         if (sp [-1].data.l == 0)
2565                                 THROW_EX (mono_get_exception_divide_by_zero (), ip);
2566                         BINOP_CAST(l, %, guint64);
2567                         MINT_IN_BREAK;
2568                 MINT_IN_CASE(MINT_AND_I4)
2569                         BINOP(i, &);
2570                         MINT_IN_BREAK;
2571                 MINT_IN_CASE(MINT_AND_I8)
2572                         BINOP(l, &);
2573                         MINT_IN_BREAK;
2574                 MINT_IN_CASE(MINT_OR_I4)
2575                         BINOP(i, |);
2576                         MINT_IN_BREAK;
2577                 MINT_IN_CASE(MINT_OR_I8)
2578                         BINOP(l, |);
2579                         MINT_IN_BREAK;
2580                 MINT_IN_CASE(MINT_XOR_I4)
2581                         BINOP(i, ^);
2582                         MINT_IN_BREAK;
2583                 MINT_IN_CASE(MINT_XOR_I8)
2584                         BINOP(l, ^);
2585                         MINT_IN_BREAK;
2586
2587 #define SHIFTOP(datamem, op) \
2588         --sp; \
2589         sp [-1].data.datamem = sp [-1].data.datamem op sp [0].data.i; \
2590         ++ip;
2591
2592                 MINT_IN_CASE(MINT_SHL_I4)
2593                         SHIFTOP(i, <<);
2594                         MINT_IN_BREAK;
2595                 MINT_IN_CASE(MINT_SHL_I8)
2596                         SHIFTOP(l, <<);
2597                         MINT_IN_BREAK;
2598                 MINT_IN_CASE(MINT_SHR_I4)
2599                         SHIFTOP(i, >>);
2600                         MINT_IN_BREAK;
2601                 MINT_IN_CASE(MINT_SHR_I8)
2602                         SHIFTOP(l, >>);
2603                         MINT_IN_BREAK;
2604                 MINT_IN_CASE(MINT_SHR_UN_I4)
2605                         --sp;
2606                         sp [-1].data.i = (guint32)sp [-1].data.i >> sp [0].data.i;
2607                         ++ip;
2608                         MINT_IN_BREAK;
2609                 MINT_IN_CASE(MINT_SHR_UN_I8)
2610                         --sp;
2611                         sp [-1].data.l = (guint64)sp [-1].data.l >> sp [0].data.i;
2612                         ++ip;
2613                         MINT_IN_BREAK;
2614                 MINT_IN_CASE(MINT_NEG_I4)
2615                         sp [-1].data.i = - sp [-1].data.i;
2616                         ++ip;
2617                         MINT_IN_BREAK;
2618                 MINT_IN_CASE(MINT_NEG_I8)
2619                         sp [-1].data.l = - sp [-1].data.l;
2620                         ++ip;
2621                         MINT_IN_BREAK;
2622                 MINT_IN_CASE(MINT_NEG_R8)
2623                         sp [-1].data.f = - sp [-1].data.f;
2624                         ++ip;
2625                         MINT_IN_BREAK;
2626                 MINT_IN_CASE(MINT_NOT_I4)
2627                         sp [-1].data.i = ~ sp [-1].data.i;
2628                         ++ip;
2629                         MINT_IN_BREAK;
2630                 MINT_IN_CASE(MINT_NOT_I8)
2631                         sp [-1].data.l = ~ sp [-1].data.l;
2632                         ++ip;
2633                         MINT_IN_BREAK;
2634                 MINT_IN_CASE(MINT_CONV_I1_I4)
2635                         sp [-1].data.i = (gint8)sp [-1].data.i;
2636                         ++ip;
2637                         MINT_IN_BREAK;
2638                 MINT_IN_CASE(MINT_CONV_I1_I8)
2639                         sp [-1].data.i = (gint8)sp [-1].data.l;
2640                         ++ip;
2641                         MINT_IN_BREAK;
2642                 MINT_IN_CASE(MINT_CONV_I1_R8)
2643                         sp [-1].data.i = (gint8)sp [-1].data.f;
2644                         ++ip;
2645                         MINT_IN_BREAK;
2646                 MINT_IN_CASE(MINT_CONV_U1_I4)
2647                         sp [-1].data.i = (guint8)sp [-1].data.i;
2648                         ++ip;
2649                         MINT_IN_BREAK;
2650                 MINT_IN_CASE(MINT_CONV_U1_I8)
2651                         sp [-1].data.i = (guint8)sp [-1].data.l;
2652                         ++ip;
2653                         MINT_IN_BREAK;
2654                 MINT_IN_CASE(MINT_CONV_U1_R8)
2655                         sp [-1].data.i = (guint8)sp [-1].data.f;
2656                         ++ip;
2657                         MINT_IN_BREAK;
2658                 MINT_IN_CASE(MINT_CONV_I2_I4)
2659                         sp [-1].data.i = (gint16)sp [-1].data.i;
2660                         ++ip;
2661                         MINT_IN_BREAK;
2662                 MINT_IN_CASE(MINT_CONV_I2_I8)
2663                         sp [-1].data.i = (gint16)sp [-1].data.l;
2664                         ++ip;
2665                         MINT_IN_BREAK;
2666                 MINT_IN_CASE(MINT_CONV_I2_R8)
2667                         sp [-1].data.i = (gint16)sp [-1].data.f;
2668                         ++ip;
2669                         MINT_IN_BREAK;
2670                 MINT_IN_CASE(MINT_CONV_U2_I4)
2671                         sp [-1].data.i = (guint16)sp [-1].data.i;
2672                         ++ip;
2673                         MINT_IN_BREAK;
2674                 MINT_IN_CASE(MINT_CONV_U2_I8)
2675                         sp [-1].data.i = (guint16)sp [-1].data.l;
2676                         ++ip;
2677                         MINT_IN_BREAK;
2678                 MINT_IN_CASE(MINT_CONV_U2_R8)
2679                         sp [-1].data.i = (guint16)sp [-1].data.f;
2680                         ++ip;
2681                         MINT_IN_BREAK;
2682                 MINT_IN_CASE(MINT_CONV_I4_R8)
2683                         sp [-1].data.i = (gint32)sp [-1].data.f;
2684                         ++ip;
2685                         MINT_IN_BREAK;
2686                 MINT_IN_CASE(MINT_CONV_U4_I8)
2687                 MINT_IN_CASE(MINT_CONV_I4_I8)
2688                         sp [-1].data.i = (gint32)sp [-1].data.l;
2689                         ++ip;
2690                         MINT_IN_BREAK;
2691                 MINT_IN_CASE(MINT_CONV_I4_I8_SP)
2692                         sp [-2].data.i = (gint32)sp [-2].data.l;
2693                         ++ip;
2694                         MINT_IN_BREAK;
2695                 MINT_IN_CASE(MINT_CONV_U4_R8)
2696                         sp [-1].data.i = (guint32)sp [-1].data.f;
2697                         ++ip;
2698                         MINT_IN_BREAK;
2699                 MINT_IN_CASE(MINT_CONV_I8_I4)
2700                         sp [-1].data.l = sp [-1].data.i;
2701                         ++ip;
2702                         MINT_IN_BREAK;
2703                 MINT_IN_CASE(MINT_CONV_I8_I4_SP)
2704                         sp [-2].data.l = sp [-2].data.i;
2705                         ++ip;
2706                         MINT_IN_BREAK;
2707                 MINT_IN_CASE(MINT_CONV_I8_U4)
2708                         sp [-1].data.l = (guint32)sp [-1].data.i;
2709                         ++ip;
2710                         MINT_IN_BREAK;
2711                 MINT_IN_CASE(MINT_CONV_I8_R8)
2712                         sp [-1].data.l = (gint64)sp [-1].data.f;
2713                         ++ip;
2714                         MINT_IN_BREAK;
2715                 MINT_IN_CASE(MINT_CONV_R4_I4)
2716                         sp [-1].data.f = (float)sp [-1].data.i;
2717                         ++ip;
2718                         MINT_IN_BREAK;
2719                 MINT_IN_CASE(MINT_CONV_R4_I8)
2720                         sp [-1].data.f = (float)sp [-1].data.l;
2721                         ++ip;
2722                         MINT_IN_BREAK;
2723                 MINT_IN_CASE(MINT_CONV_R4_R8)
2724                         sp [-1].data.f = (float)sp [-1].data.f;
2725                         ++ip;
2726                         MINT_IN_BREAK;
2727                 MINT_IN_CASE(MINT_CONV_R8_I4)
2728                         sp [-1].data.f = (double)sp [-1].data.i;
2729                         ++ip;
2730                         MINT_IN_BREAK;
2731                 MINT_IN_CASE(MINT_CONV_R8_I8)
2732                         sp [-1].data.f = (double)sp [-1].data.l;
2733                         ++ip;
2734                         MINT_IN_BREAK;
2735                 MINT_IN_CASE(MINT_CONV_U8_I4)
2736                         sp [-1].data.l = sp [-1].data.i & 0xffffffff;
2737                         ++ip;
2738                         MINT_IN_BREAK;
2739                 MINT_IN_CASE(MINT_CONV_U8_R8)
2740                         sp [-1].data.l = (guint64)sp [-1].data.f;
2741                         ++ip;
2742                         MINT_IN_BREAK;
2743                 MINT_IN_CASE(MINT_CPOBJ) {
2744                         c = rtm->data_items[* (guint16 *)(ip + 1)];
2745                         g_assert (c->byval_arg.type == MONO_TYPE_VALUETYPE);
2746                         stackval_from_data (&c->byval_arg, &sp [-2], sp [-1].data.p, FALSE);
2747                         ip += 2;
2748                         sp -= 2;
2749                         MINT_IN_BREAK;
2750                 }
2751                 MINT_IN_CASE(MINT_LDOBJ) {
2752                         void *p;
2753                         c = rtm->data_items[* (guint16 *)(ip + 1)];
2754                         ip += 2;
2755                         p = sp [-1].data.p;
2756                         if (c->byval_arg.type == MONO_TYPE_VALUETYPE && !c->enumtype) {
2757                                 int size = mono_class_value_size (c, NULL);
2758                                 sp [-1].data.p = vt_sp;
2759                                 vt_sp += (size + 7) & ~7;
2760                         }
2761                         stackval_from_data (&c->byval_arg, &sp [-1], p, FALSE);
2762                         MINT_IN_BREAK;
2763                 }
2764                 MINT_IN_CASE(MINT_LDSTR)
2765                         sp->data.p = rtm->data_items [* (guint16 *)(ip + 1)];
2766                         ++sp;
2767                         ip += 2;
2768                         MINT_IN_BREAK;
2769                 MINT_IN_CASE(MINT_NEWOBJ) {
2770                         MonoClass *newobj_class;
2771                         MonoMethodSignature *csig;
2772                         stackval valuetype_this;
2773                         guint32 token;
2774                         stackval retval;
2775
2776                         frame->ip = ip;
2777
2778                         token = * (guint16 *)(ip + 1);
2779                         ip += 2;
2780
2781                         child_frame.ip = NULL;
2782                         child_frame.ex = NULL;
2783
2784                         child_frame.runtime_method = rtm->data_items [token];
2785                         csig = mono_method_signature (child_frame.runtime_method->method);
2786                         newobj_class = child_frame.runtime_method->method->klass;
2787                         /*if (profiling_classes) {
2788                                 guint count = GPOINTER_TO_UINT (g_hash_table_lookup (profiling_classes, newobj_class));
2789                                 count++;
2790                                 g_hash_table_insert (profiling_classes, newobj_class, GUINT_TO_POINTER (count));
2791                         }*/
2792
2793                         if (newobj_class->parent == mono_defaults.array_class) {
2794                                 sp -= csig->param_count;
2795                                 child_frame.stack_args = sp;
2796                                 o = ves_array_create (&child_frame, context->domain, newobj_class, csig, sp);
2797                                 if (child_frame.ex)
2798                                         THROW_EX (child_frame.ex, ip);
2799                                 goto array_constructed;
2800                         }
2801
2802                         g_assert (csig->hasthis);
2803                         if (csig->param_count) {
2804                                 sp -= csig->param_count;
2805                                 memmove (sp + 1, sp, csig->param_count * sizeof (stackval));
2806                         }
2807                         child_frame.stack_args = sp;
2808
2809                         /*
2810                          * First arg is the object.
2811                          */
2812                         if (newobj_class->valuetype) {
2813                                 MonoType *t = &newobj_class->byval_arg;
2814                                 memset (&valuetype_this, 0, sizeof (stackval));
2815                                 if (!newobj_class->enumtype && (t->type == MONO_TYPE_VALUETYPE || (t->type == MONO_TYPE_GENERICINST && mono_type_generic_inst_is_valuetype (t)))) {
2816                                         sp->data.p = vt_sp;
2817                                         valuetype_this.data.p = vt_sp;
2818                                 } else {
2819                                         sp->data.p = &valuetype_this;
2820                                 }
2821                         } else {
2822                                 if (newobj_class != mono_defaults.string_class) {
2823                                         context->managed_code = 0;
2824                                         o = mono_object_new_checked (context->domain, newobj_class, &error);
2825                                         mono_error_cleanup (&error); /* FIXME: don't swallow the error */
2826                                         context->managed_code = 1;
2827                                         if (*mono_thread_interruption_request_flag ())
2828                                                 mono_thread_interruption_checkpoint ();
2829                                         sp->data.p = o;
2830                                 } else {
2831                                         sp->data.p = NULL;
2832                                         child_frame.retval = &retval;
2833                                 }
2834                         }
2835
2836                         g_assert (csig->call_convention == MONO_CALL_DEFAULT);
2837
2838                         ves_exec_method_with_context (&child_frame, context);
2839
2840                         context->current_frame = frame;
2841
2842                         if (child_frame.ex) {
2843                                 /*
2844                                  * An exception occurred, need to run finally, fault and catch handlers..
2845                                  */
2846                                 frame->ex = child_frame.ex;
2847                                 goto handle_finally;
2848                         }
2849                         /*
2850                          * a constructor returns void, but we need to return the object we created
2851                          */
2852 array_constructed:
2853                         if (newobj_class->valuetype && !newobj_class->enumtype) {
2854                                 *sp = valuetype_this;
2855                         } else if (newobj_class == mono_defaults.string_class) {
2856                                 *sp = retval;
2857                         } else {
2858                                 sp->data.p = o;
2859                         }
2860                         ++sp;
2861                         MINT_IN_BREAK;
2862                 }
2863                 MINT_IN_CASE(MINT_CASTCLASS)
2864                         c = rtm->data_items [*(guint16 *)(ip + 1)];
2865                         if ((o = sp [-1].data.p)) {
2866                                 MonoObject *isinst_obj = mono_object_isinst_checked (o, c, &error);
2867                                 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
2868                                 if (!isinst_obj)
2869                                         THROW_EX (mono_get_exception_invalid_cast (), ip);
2870                         }
2871                         ip += 2;
2872                         MINT_IN_BREAK;
2873                 MINT_IN_CASE(MINT_ISINST)
2874                         c = rtm->data_items [*(guint16 *)(ip + 1)];
2875                         if ((o = sp [-1].data.p)) {
2876                                 MonoObject *isinst_obj = mono_object_isinst_checked (o, c, &error);
2877                                 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
2878                                 if (!isinst_obj)
2879                                         sp [-1].data.p = NULL;
2880                         }
2881                         ip += 2;
2882                         MINT_IN_BREAK;
2883                 MINT_IN_CASE(MINT_CONV_R_UN_I4)
2884                         sp [-1].data.f = (double)(guint32)sp [-1].data.i;
2885                         ++ip;
2886                         MINT_IN_BREAK;
2887                 MINT_IN_CASE(MINT_CONV_R_UN_I8)
2888                         sp [-1].data.f = (double)(guint64)sp [-1].data.l;
2889                         ++ip;
2890                         MINT_IN_BREAK;
2891                 MINT_IN_CASE(MINT_UNBOX)
2892                         c = rtm->data_items[*(guint16 *)(ip + 1)];
2893
2894                         o = sp [-1].data.p;
2895                         if (!o)
2896                                 THROW_EX (mono_get_exception_null_reference (), ip);
2897
2898                         MonoObject *isinst_obj = mono_object_isinst_checked (o, c, &error);
2899                         mono_error_cleanup (&error); /* FIXME: don't swallow the error */
2900                         if (!(isinst_obj || ((o->vtable->klass->rank == 0) && (o->vtable->klass->element_class == c->element_class))))
2901                                 THROW_EX (mono_get_exception_invalid_cast (), ip);
2902
2903                         sp [-1].data.p = mono_object_unbox (o);
2904                         ip += 2;
2905                         MINT_IN_BREAK;
2906                 MINT_IN_CASE(MINT_THROW)
2907                         --sp;
2908                         frame->ex_handler = NULL;
2909                         if (!sp->data.p)
2910                                 sp->data.p = mono_get_exception_null_reference ();
2911                         THROW_EX ((MonoException *)sp->data.p, ip);
2912                         MINT_IN_BREAK;
2913                 MINT_IN_CASE(MINT_LDFLDA_UNSAFE)
2914                         o = sp [-1].data.p;
2915                         sp[-1].data.p = (char *)o + * (guint16 *)(ip + 1);
2916                         ip += 2;
2917                         MINT_IN_BREAK;
2918                 MINT_IN_CASE(MINT_LDFLDA)
2919                         o = sp [-1].data.p;
2920                         if (!o)
2921                                 THROW_EX (mono_get_exception_null_reference (), ip);
2922                         sp[-1].data.p = (char *)o + * (guint16 *)(ip + 1);
2923                         ip += 2;
2924                         MINT_IN_BREAK;
2925                 MINT_IN_CASE(MINT_CKNULL)
2926                         o = sp [-1].data.p;
2927                         if (!o)
2928                                 THROW_EX (mono_get_exception_null_reference (), ip);
2929                         ++ip;
2930                         MINT_IN_BREAK;
2931
2932 #define LDFLD(datamem, fieldtype) \
2933         o = sp [-1].data.p; \
2934         if (!o) \
2935                 THROW_EX (mono_get_exception_null_reference (), ip); \
2936         sp[-1].data.datamem = * (fieldtype *)((char *)o + * (guint16 *)(ip + 1)) ; \
2937         ip += 2;
2938
2939                 MINT_IN_CASE(MINT_LDFLD_I1) LDFLD(i, gint8); MINT_IN_BREAK;
2940                 MINT_IN_CASE(MINT_LDFLD_U1) LDFLD(i, guint8); MINT_IN_BREAK;
2941                 MINT_IN_CASE(MINT_LDFLD_I2) LDFLD(i, gint16); MINT_IN_BREAK;
2942                 MINT_IN_CASE(MINT_LDFLD_U2) LDFLD(i, guint16); MINT_IN_BREAK;
2943                 MINT_IN_CASE(MINT_LDFLD_I4) LDFLD(i, gint32); MINT_IN_BREAK;
2944                 MINT_IN_CASE(MINT_LDFLD_I8) LDFLD(l, gint64); MINT_IN_BREAK;
2945                 MINT_IN_CASE(MINT_LDFLD_R4) LDFLD(f, float); MINT_IN_BREAK;
2946                 MINT_IN_CASE(MINT_LDFLD_R8) LDFLD(f, double); MINT_IN_BREAK;
2947                 MINT_IN_CASE(MINT_LDFLD_O) LDFLD(p, gpointer); MINT_IN_BREAK;
2948                 MINT_IN_CASE(MINT_LDFLD_P) LDFLD(p, gpointer); MINT_IN_BREAK;
2949
2950                 MINT_IN_CASE(MINT_LDFLD_VT)
2951                         o = sp [-1].data.p;
2952                         if (!o)
2953                                 THROW_EX (mono_get_exception_null_reference (), ip);
2954                         i32 = READ32(ip + 2);
2955                         sp [-1].data.p = vt_sp;
2956                         memcpy(sp [-1].data.p, (char *)o + * (guint16 *)(ip + 1), i32);
2957                         vt_sp += (i32 + 7) & ~7;
2958                         ip += 4;
2959                         MINT_IN_BREAK;
2960
2961                 MINT_IN_CASE(MINT_LDRMFLD) {
2962                         gpointer tmp;
2963                         MonoClassField *field;
2964                         char *addr;
2965
2966                         o = sp [-1].data.p;
2967                         if (!o)
2968                                 THROW_EX (mono_get_exception_null_reference (), ip);
2969                         field = rtm->data_items[* (guint16 *)(ip + 1)];
2970                         ip += 2;
2971                         if (mono_object_is_transparent_proxy (o)) {
2972                                 MonoClass *klass = ((MonoTransparentProxy*)o)->remote_class->proxy_class;
2973
2974                                 addr = mono_load_remote_field_checked (o, klass, field, &tmp, &error);
2975                                 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
2976                         } else {
2977                                 addr = (char*)o + field->offset;
2978                         }
2979
2980                         stackval_from_data (field->type, &sp [-1], addr, FALSE);
2981                         MINT_IN_BREAK;
2982                 }
2983
2984                 MINT_IN_CASE(MINT_LDRMFLD_VT) {
2985                         MonoClassField *field;
2986                         char *addr;
2987                         gpointer tmp;
2988
2989                         o = sp [-1].data.p;
2990                         if (!o)
2991                                 THROW_EX (mono_get_exception_null_reference (), ip);
2992                         field = rtm->data_items[* (guint16 *)(ip + 1)];
2993                         i32 = READ32(ip + 2);
2994                         ip += 4;
2995                         if (mono_object_is_transparent_proxy (o)) {
2996                                 MonoClass *klass = ((MonoTransparentProxy*)o)->remote_class->proxy_class;
2997                                 addr = mono_load_remote_field_checked (o, klass, field, &tmp, &error);
2998                                 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
2999                         } else {
3000                                 addr = (char*)o + field->offset;
3001                         }
3002
3003                         sp [-1].data.p = vt_sp;
3004                         memcpy(sp [-1].data.p, (char *)o + * (guint16 *)(ip + 1), i32);
3005                         vt_sp += (i32 + 7) & ~7;
3006                         memcpy(sp [-1].data.p, addr, i32);
3007                         MINT_IN_BREAK;
3008                 }
3009
3010 #define STFLD(datamem, fieldtype) \
3011         o = sp [-2].data.p; \
3012         if (!o) \
3013                 THROW_EX (mono_get_exception_null_reference (), ip); \
3014         sp -= 2; \
3015         * (fieldtype *)((char *)o + * (guint16 *)(ip + 1)) = sp[1].data.datamem; \
3016         ip += 2;
3017
3018                 MINT_IN_CASE(MINT_STFLD_I1) STFLD(i, gint8); MINT_IN_BREAK;
3019                 MINT_IN_CASE(MINT_STFLD_U1) STFLD(i, guint8); MINT_IN_BREAK;
3020                 MINT_IN_CASE(MINT_STFLD_I2) STFLD(i, gint16); MINT_IN_BREAK;
3021                 MINT_IN_CASE(MINT_STFLD_U2) STFLD(i, guint16); MINT_IN_BREAK;
3022                 MINT_IN_CASE(MINT_STFLD_I4) STFLD(i, gint32); MINT_IN_BREAK;
3023                 MINT_IN_CASE(MINT_STFLD_I8) STFLD(l, gint64); MINT_IN_BREAK;
3024                 MINT_IN_CASE(MINT_STFLD_R4) STFLD(f, float); MINT_IN_BREAK;
3025                 MINT_IN_CASE(MINT_STFLD_R8) STFLD(f, double); MINT_IN_BREAK;
3026                 MINT_IN_CASE(MINT_STFLD_O) STFLD(p, gpointer); MINT_IN_BREAK;
3027                 MINT_IN_CASE(MINT_STFLD_P) STFLD(p, gpointer); MINT_IN_BREAK;
3028
3029                 MINT_IN_CASE(MINT_STFLD_VT)
3030                         o = sp [-2].data.p;
3031                         if (!o)
3032                                 THROW_EX (mono_get_exception_null_reference (), ip);
3033                         i32 = READ32(ip + 2);
3034                         sp -= 2;
3035                         memcpy((char *)o + * (guint16 *)(ip + 1), sp [1].data.p, i32);
3036                         vt_sp -= (i32 + 7) & ~7;
3037                         ip += 4;
3038                         MINT_IN_BREAK;
3039
3040                 MINT_IN_CASE(MINT_STRMFLD) {
3041                         MonoClassField *field;
3042
3043                         o = sp [-2].data.p;
3044                         if (!o)
3045                                 THROW_EX (mono_get_exception_null_reference (), ip);
3046
3047                         field = rtm->data_items[* (guint16 *)(ip + 1)];
3048                         ip += 2;
3049
3050                         if (mono_object_is_transparent_proxy (o)) {
3051                                 MonoClass *klass = ((MonoTransparentProxy*)o)->remote_class->proxy_class;
3052                                 mono_store_remote_field_checked (o, klass, field, &sp [-1].data, &error);
3053                                 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
3054                         } else
3055                                 stackval_to_data (field->type, &sp [-1], (char*)o + field->offset, FALSE);
3056
3057                         sp -= 2;
3058                         MINT_IN_BREAK;
3059                 }
3060                 MINT_IN_CASE(MINT_STRMFLD_VT) {
3061                         MonoClassField *field;
3062
3063                         o = sp [-2].data.p;
3064                         if (!o)
3065                                 THROW_EX (mono_get_exception_null_reference (), ip);
3066                         field = rtm->data_items[* (guint16 *)(ip + 1)];
3067                         i32 = READ32(ip + 2);
3068                         ip += 4;
3069
3070                         if (mono_object_is_transparent_proxy (o)) {
3071                                 MonoClass *klass = ((MonoTransparentProxy*)o)->remote_class->proxy_class;
3072                                 mono_store_remote_field_checked (o, klass, field, &sp [-1].data, &error);
3073                                 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
3074                         } else
3075                                 memcpy((char*)o + field->offset, sp [-1].data.p, i32);
3076
3077                         sp -= 2;
3078                         vt_sp -= (i32 + 7) & ~7;
3079                         MINT_IN_BREAK;
3080                 }
3081                 MINT_IN_CASE(MINT_LDSFLDA) {
3082                         MonoClassField *field = rtm->data_items[*(guint16 *)(ip + 1)];
3083                         sp->data.p = mono_class_static_field_address (context->domain, field);
3084                         ip += 2;
3085                         ++sp;
3086                         MINT_IN_BREAK;
3087                 }
3088                 MINT_IN_CASE(MINT_LDSFLD) {
3089                         MonoClassField *field = rtm->data_items [* (guint16 *)(ip + 1)];
3090                         gpointer addr = mono_class_static_field_address (context->domain, field);
3091                         stackval_from_data (field->type, sp, addr, FALSE);
3092                         ip += 2;
3093                         ++sp;
3094                         MINT_IN_BREAK;
3095                 }
3096                 MINT_IN_CASE(MINT_LDSFLD_VT) {
3097                         MonoClassField *field = rtm->data_items [* (guint16 *)(ip + 1)];
3098                         gpointer addr = mono_class_static_field_address (context->domain, field);
3099                         int size = READ32 (ip + 2);
3100                         ip += 4;
3101
3102                         sp->data.p = vt_sp;
3103                         vt_sp += (size + 7) & ~7;
3104                         stackval_from_data (field->type, sp, addr, FALSE);
3105                         ++sp;
3106                         MINT_IN_BREAK;
3107                 }
3108                 MINT_IN_CASE(MINT_STSFLD) {
3109                         MonoClassField *field = rtm->data_items [* (guint16 *)(ip + 1)];
3110                         gpointer addr = mono_class_static_field_address (context->domain, field);
3111                         ip += 2;
3112                         --sp;
3113                         stackval_to_data (field->type, sp, addr, FALSE);
3114                         MINT_IN_BREAK;
3115                 }
3116                 MINT_IN_CASE(MINT_STSFLD_VT) {
3117                         MonoClassField *field = rtm->data_items [* (guint16 *)(ip + 1)];
3118                         gpointer addr = mono_class_static_field_address (context->domain, field);
3119                         int size = READ32 (ip + 2);
3120                         ip += 4;
3121
3122                         --sp;
3123                         stackval_to_data (field->type, sp, addr, FALSE);
3124                         vt_sp -= (size + 7) & ~7;
3125                         MINT_IN_BREAK;
3126                 }
3127                 MINT_IN_CASE(MINT_STOBJ_VT) {
3128                         int size;
3129                         c = rtm->data_items[* (guint16 *)(ip + 1)];
3130                         ip += 2;
3131                         size = mono_class_value_size (c, NULL);
3132                         memcpy(sp [-2].data.p, sp [-1].data.p, size);
3133                         vt_sp -= (size + 7) & ~7;
3134                         sp -= 2;
3135                         MINT_IN_BREAK;
3136                 }
3137                 MINT_IN_CASE(MINT_STOBJ) {
3138                         int size;
3139                         c = rtm->data_items[* (guint16 *)(ip + 1)];
3140                         ip += 2;
3141                         size = mono_class_value_size (c, NULL);
3142                         memcpy(sp [-2].data.p, &sp [-1].data, size);
3143                         sp -= 2;
3144                         MINT_IN_BREAK;
3145                 }
3146                 MINT_IN_CASE(MINT_CONV_OVF_I4_UN_R8)
3147                         if (sp [-1].data.f < 0 || sp [-1].data.f > MYGUINT32_MAX)
3148                                 THROW_EX (mono_get_exception_overflow (), ip);
3149                         sp [-1].data.i = (guint32)sp [-1].data.f;
3150                         ++ip;
3151                         MINT_IN_BREAK;
3152                 MINT_IN_CASE(MINT_CONV_OVF_U8_I4)
3153                         if (sp [-1].data.i < 0)
3154                                 THROW_EX (mono_get_exception_overflow (), ip);
3155                         sp [-1].data.l = sp [-1].data.i;
3156                         ++ip;
3157                         MINT_IN_BREAK;
3158                 MINT_IN_CASE(MINT_CONV_OVF_U8_I8)
3159                         if (sp [-1].data.l < 0)
3160                                 THROW_EX (mono_get_exception_overflow (), ip);
3161                         ++ip;
3162                         MINT_IN_BREAK;
3163                 MINT_IN_CASE(MINT_CONV_OVF_I8_U8)
3164                         if ((guint64) sp [-1].data.l > MYGINT64_MAX)
3165                                 THROW_EX (mono_get_exception_overflow (), ip);
3166                         ++ip;
3167                         MINT_IN_BREAK;
3168                 MINT_IN_CASE(MINT_CONV_OVF_U8_R8)
3169                 MINT_IN_CASE(MINT_CONV_OVF_I8_UN_R8)
3170                         if (sp [-1].data.f < 0 || sp [-1].data.f > MYGINT64_MAX)
3171                                 THROW_EX (mono_get_exception_overflow (), ip);
3172                         sp [-1].data.l = (guint64)sp [-1].data.f;
3173                         ++ip;
3174                         MINT_IN_BREAK;
3175                 MINT_IN_CASE(MINT_CONV_OVF_I8_R8)
3176                         if (sp [-1].data.f < MYGINT64_MIN || sp [-1].data.f > MYGINT64_MAX)
3177                                 THROW_EX (mono_get_exception_overflow (), ip);
3178                         sp [-1].data.l = (gint64)sp [-1].data.f;
3179                         ++ip;
3180                         MINT_IN_BREAK;
3181                 MINT_IN_CASE(MINT_CONV_OVF_I4_UN_I8)
3182                         if ((mono_u)sp [-1].data.l > MYGUINT32_MAX)
3183                                 THROW_EX (mono_get_exception_overflow (), ip);
3184                         sp [-1].data.i = (mono_u)sp [-1].data.l;
3185                         ++ip;
3186                         MINT_IN_BREAK;
3187                 MINT_IN_CASE(MINT_BOX) {
3188                         c = rtm->data_items [* (guint16 *)(ip + 1)];
3189                         guint16 offset = * (guint16 *)(ip + 2);
3190
3191                         if (c->byval_arg.type == MONO_TYPE_VALUETYPE && !c->enumtype) {
3192                                 int size = mono_class_value_size (c, NULL);
3193                                 sp [-1 - offset].data.p = mono_value_box_checked (context->domain, c, sp [-1 - offset].data.p, &error);
3194                                 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
3195                                 size = (size + 7) & ~7;
3196                                 vt_sp -= size;
3197                         } else {
3198                                 stackval_to_data (&c->byval_arg, &sp [-1 - offset], (char *) &sp [-1 - offset], FALSE);
3199                                 sp [-1 - offset].data.p = mono_value_box_checked (context->domain, c, &sp [-1 - offset], &error);
3200                                 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
3201                         }
3202                         ip += 3;
3203                         MINT_IN_BREAK;
3204                 }
3205                 MINT_IN_CASE(MINT_NEWARR)
3206                         sp [-1].data.p = (MonoObject*) mono_array_new_checked (context->domain, rtm->data_items[*(guint16 *)(ip + 1)], sp [-1].data.i, &error);
3207                         if (!mono_error_ok (&error)) {
3208                                 THROW_EX (mono_error_convert_to_exception (&error), ip);
3209                         }
3210                         mono_error_cleanup (&error); /* FIXME: don't swallow the error */
3211                         ip += 2;
3212                         /*if (profiling_classes) {
3213                                 guint count = GPOINTER_TO_UINT (g_hash_table_lookup (profiling_classes, o->vtable->klass));
3214                                 count++;
3215                                 g_hash_table_insert (profiling_classes, o->vtable->klass, GUINT_TO_POINTER (count));
3216                         }*/
3217
3218                         MINT_IN_BREAK;
3219                 MINT_IN_CASE(MINT_LDLEN)
3220                         o = sp [-1].data.p;
3221                         if (!o)
3222                                 THROW_EX (mono_get_exception_null_reference (), ip);
3223                         sp [-1].data.nati = mono_array_length ((MonoArray *)o);
3224                         ++ip;
3225                         MINT_IN_BREAK;
3226                 MINT_IN_CASE(MINT_GETCHR) {
3227                         MonoString *s;
3228                         s = sp [-2].data.p;
3229                         if (!s)
3230                                 THROW_EX (mono_get_exception_null_reference (), ip);
3231                         i32 = sp [-1].data.i;
3232                         if (i32 < 0 || i32 >= mono_string_length (s))
3233                                 THROW_EX (mono_get_exception_index_out_of_range (), ip);
3234                         --sp;
3235                         sp [-1].data.i = mono_string_chars(s)[i32];
3236                         ++ip;
3237                         MINT_IN_BREAK;
3238                 }
3239                 MINT_IN_CASE(MINT_STRLEN)
3240                         ++ip;
3241                         sp [-1].data.i = mono_string_length ((MonoString*)sp [-1].data.p);
3242                         MINT_IN_BREAK;
3243                 MINT_IN_CASE(MINT_ARRAY_RANK)
3244                         o = sp [-1].data.p;
3245                         if (!o)
3246                                 THROW_EX (mono_get_exception_null_reference (), ip);
3247                         sp [-1].data.i = mono_object_class (sp [-1].data.p)->rank;
3248                         ip++;
3249                         MINT_IN_BREAK;
3250                 MINT_IN_CASE(MINT_LDELEMA)
3251                 MINT_IN_CASE(MINT_LDELEMA_TC) {
3252                         gboolean needs_typecheck = *ip == MINT_LDELEMA_TC;
3253
3254                         MonoClass *klass = rtm->data_items [*(guint16 *) (ip + 1)];
3255                         guint16 numargs = *(guint16 *) (ip + 2);
3256                         ip += 3;
3257                         sp -= numargs;
3258
3259                         o = sp [0].data.p;
3260                         sp->data.p = ves_array_element_address (frame, klass, (MonoArray *) o, &sp [1], needs_typecheck);
3261                         if (frame->ex)
3262                                 THROW_EX (frame->ex, ip);
3263                         ++sp;
3264
3265                         MINT_IN_BREAK;
3266                 }
3267                 MINT_IN_CASE(MINT_LDELEM_I1) /* fall through */
3268                 MINT_IN_CASE(MINT_LDELEM_U1) /* fall through */
3269                 MINT_IN_CASE(MINT_LDELEM_I2) /* fall through */
3270                 MINT_IN_CASE(MINT_LDELEM_U2) /* fall through */
3271                 MINT_IN_CASE(MINT_LDELEM_I4) /* fall through */
3272                 MINT_IN_CASE(MINT_LDELEM_U4) /* fall through */
3273                 MINT_IN_CASE(MINT_LDELEM_I8)  /* fall through */
3274                 MINT_IN_CASE(MINT_LDELEM_I)  /* fall through */
3275                 MINT_IN_CASE(MINT_LDELEM_R4) /* fall through */
3276                 MINT_IN_CASE(MINT_LDELEM_R8) /* fall through */
3277                 MINT_IN_CASE(MINT_LDELEM_REF) /* fall through */
3278                 MINT_IN_CASE(MINT_LDELEM_VT) {
3279                         MonoArray *o;
3280                         mono_u aindex;
3281
3282                         sp -= 2;
3283
3284                         o = sp [0].data.p;
3285                         if (!o)
3286                                 THROW_EX (mono_get_exception_null_reference (), ip);
3287
3288                         aindex = sp [1].data.i;
3289                         if (aindex >= mono_array_length (o))
3290                                 THROW_EX (mono_get_exception_index_out_of_range (), ip);
3291
3292                         /*
3293                          * FIXME: throw mono_get_exception_array_type_mismatch () if needed
3294                          */
3295                         switch (*ip) {
3296                         case MINT_LDELEM_I1:
3297                                 sp [0].data.i = mono_array_get (o, gint8, aindex);
3298                                 break;
3299                         case MINT_LDELEM_U1:
3300                                 sp [0].data.i = mono_array_get (o, guint8, aindex);
3301                                 break;
3302                         case MINT_LDELEM_I2:
3303                                 sp [0].data.i = mono_array_get (o, gint16, aindex);
3304                                 break;
3305                         case MINT_LDELEM_U2:
3306                                 sp [0].data.i = mono_array_get (o, guint16, aindex);
3307                                 break;
3308                         case MINT_LDELEM_I:
3309                                 sp [0].data.nati = mono_array_get (o, mono_i, aindex);
3310                                 break;
3311                         case MINT_LDELEM_I4:
3312                                 sp [0].data.i = mono_array_get (o, gint32, aindex);
3313                                 break;
3314                         case MINT_LDELEM_U4:
3315                                 sp [0].data.i = mono_array_get (o, guint32, aindex);
3316                                 break;
3317                         case MINT_LDELEM_I8:
3318                                 sp [0].data.l = mono_array_get (o, guint64, aindex);
3319                                 break;
3320                         case MINT_LDELEM_R4:
3321                                 sp [0].data.f = mono_array_get (o, float, aindex);
3322                                 break;
3323                         case MINT_LDELEM_R8:
3324                                 sp [0].data.f = mono_array_get (o, double, aindex);
3325                                 break;
3326                         case MINT_LDELEM_REF:
3327                                 sp [0].data.p = mono_array_get (o, gpointer, aindex);
3328                                 break;
3329                         case MINT_LDELEM_VT: {
3330                                 MonoClass *klass_vt = rtm->data_items [*(guint16 *) (ip + 1)];
3331                                 i32 = READ32 (ip + 2);
3332                                 char *src_addr = mono_array_addr_with_size ((MonoArray *) o, i32, aindex);
3333                                 sp [0].data.vt = vt_sp;
3334                                 stackval_from_data (&klass_vt->byval_arg, sp, src_addr, FALSE);
3335                                 vt_sp += (i32 + 7) & ~7;
3336                                 ip += 3;
3337                                 break;
3338                         }
3339                         default:
3340                                 ves_abort();
3341                         }
3342
3343                         ++ip;
3344                         ++sp;
3345                         MINT_IN_BREAK;
3346                 }
3347                 MINT_IN_CASE(MINT_STELEM_I)  /* fall through */
3348                 MINT_IN_CASE(MINT_STELEM_I1) /* fall through */
3349                 MINT_IN_CASE(MINT_STELEM_U1) /* fall through */
3350                 MINT_IN_CASE(MINT_STELEM_I2) /* fall through */
3351                 MINT_IN_CASE(MINT_STELEM_I4) /* fall through */
3352                 MINT_IN_CASE(MINT_STELEM_I8) /* fall through */
3353                 MINT_IN_CASE(MINT_STELEM_R4) /* fall through */
3354                 MINT_IN_CASE(MINT_STELEM_R8) /* fall through */
3355                 MINT_IN_CASE(MINT_STELEM_REF) /* fall through */
3356                 MINT_IN_CASE(MINT_STELEM_VT) {
3357                         mono_u aindex;
3358
3359                         sp -= 3;
3360
3361                         o = sp [0].data.p;
3362                         if (!o)
3363                                 THROW_EX (mono_get_exception_null_reference (), ip);
3364
3365                         aindex = sp [1].data.i;
3366                         if (aindex >= mono_array_length ((MonoArray *)o))
3367                                 THROW_EX (mono_get_exception_index_out_of_range (), ip);
3368
3369                         switch (*ip) {
3370                         case MINT_STELEM_I:
3371                                 mono_array_set ((MonoArray *)o, mono_i, aindex, sp [2].data.nati);
3372                                 break;
3373                         case MINT_STELEM_I1:
3374                                 mono_array_set ((MonoArray *)o, gint8, aindex, sp [2].data.i);
3375                                 break;
3376                         case MINT_STELEM_U1:
3377                                 mono_array_set ((MonoArray *) o, guint8, aindex, sp [2].data.i);
3378                                 break;
3379                         case MINT_STELEM_I2:
3380                                 mono_array_set ((MonoArray *)o, gint16, aindex, sp [2].data.i);
3381                                 break;
3382                         case MINT_STELEM_I4:
3383                                 mono_array_set ((MonoArray *)o, gint32, aindex, sp [2].data.i);
3384                                 break;
3385                         case MINT_STELEM_I8:
3386                                 mono_array_set ((MonoArray *)o, gint64, aindex, sp [2].data.l);
3387                                 break;
3388                         case MINT_STELEM_R4:
3389                                 mono_array_set ((MonoArray *)o, float, aindex, sp [2].data.f);
3390                                 break;
3391                         case MINT_STELEM_R8:
3392                                 mono_array_set ((MonoArray *)o, double, aindex, sp [2].data.f);
3393                                 break;
3394                         case MINT_STELEM_REF: {
3395                                 MonoObject *isinst_obj = mono_object_isinst_checked (sp [2].data.p, mono_object_class (o)->element_class, &error);
3396                                 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
3397                                 if (sp [2].data.p && !isinst_obj)
3398                                         THROW_EX (mono_get_exception_array_type_mismatch (), ip);
3399                                 mono_array_set ((MonoArray *)o, gpointer, aindex, sp [2].data.p);
3400                                 break;
3401                         }
3402                         case MINT_STELEM_VT: {
3403                                 MonoClass *klass_vt = rtm->data_items [*(guint16 *) (ip + 1)];
3404                                 i32 = READ32 (ip + 2);
3405                                 char *dst_addr = mono_array_addr_with_size ((MonoArray *) o, i32, aindex);
3406
3407                                 stackval_to_data (&klass_vt->byval_arg, &sp [2], dst_addr, FALSE);
3408                                 vt_sp -= (i32 + 7) & ~7;
3409                                 ip += 3;
3410                                 break;
3411                         }
3412                         default:
3413                                 ves_abort();
3414                         }
3415
3416                         ++ip;
3417                         MINT_IN_BREAK;
3418                 }
3419                 MINT_IN_CASE(MINT_CONV_OVF_I4_U4)
3420                         if (sp [-1].data.i < 0)
3421                                 THROW_EX (mono_get_exception_overflow (), ip);
3422                         ++ip;
3423                         MINT_IN_BREAK;
3424                 MINT_IN_CASE(MINT_CONV_OVF_I4_I8)
3425                         if (sp [-1].data.l < MYGINT32_MIN || sp [-1].data.l > MYGINT32_MAX)
3426                                 THROW_EX (mono_get_exception_overflow (), ip);
3427                         sp [-1].data.i = (gint32) sp [-1].data.l;
3428                         ++ip;
3429                         MINT_IN_BREAK;
3430                 MINT_IN_CASE(MINT_CONV_OVF_I4_U8)
3431                         if (sp [-1].data.l < 0 || sp [-1].data.l > MYGINT32_MAX)
3432                                 THROW_EX (mono_get_exception_overflow (), ip);
3433                         sp [-1].data.i = (gint32) sp [-1].data.l;
3434                         ++ip;
3435                         MINT_IN_BREAK;
3436                 MINT_IN_CASE(MINT_CONV_OVF_I4_R8)
3437                         if (sp [-1].data.f < MYGINT32_MIN || sp [-1].data.f > MYGINT32_MAX)
3438                                 THROW_EX (mono_get_exception_overflow (), ip);
3439                         sp [-1].data.i = (gint32) sp [-1].data.f;
3440                         ++ip;
3441                         MINT_IN_BREAK;
3442                 MINT_IN_CASE(MINT_CONV_OVF_U4_I4)
3443                         if (sp [-1].data.i < 0)
3444                                 THROW_EX (mono_get_exception_overflow (), ip);
3445                         ++ip;
3446                         MINT_IN_BREAK;
3447                 MINT_IN_CASE(MINT_CONV_OVF_U4_I8)
3448                         if (sp [-1].data.l < 0 || sp [-1].data.l > MYGUINT32_MAX)
3449                                 THROW_EX (mono_get_exception_overflow (), ip);
3450                         sp [-1].data.i = (guint32) sp [-1].data.l;
3451                         ++ip;
3452                         MINT_IN_BREAK;
3453                 MINT_IN_CASE(MINT_CONV_OVF_U4_R8)
3454                         if (sp [-1].data.f < 0 || sp [-1].data.f > MYGUINT32_MAX)
3455                                 THROW_EX (mono_get_exception_overflow (), ip);
3456                         sp [-1].data.i = (guint32) sp [-1].data.f;
3457                         ++ip;
3458                         MINT_IN_BREAK;
3459                 MINT_IN_CASE(MINT_CONV_OVF_I2_I4)
3460                         if (sp [-1].data.i < -32768 || sp [-1].data.i > 32767)
3461                                 THROW_EX (mono_get_exception_overflow (), ip);
3462                         ++ip;
3463                         MINT_IN_BREAK;
3464                 MINT_IN_CASE(MINT_CONV_OVF_I2_I8)
3465                         if (sp [-1].data.l < -32768 || sp [-1].data.l > 32767)
3466                                 THROW_EX (mono_get_exception_overflow (), ip);
3467                         sp [-1].data.i = (gint16) sp [-1].data.l;
3468                         ++ip;
3469                         MINT_IN_BREAK;
3470                 MINT_IN_CASE(MINT_CONV_OVF_I2_R8)
3471                         if (sp [-1].data.f < -32768 || sp [-1].data.f > 32767)
3472                                 THROW_EX (mono_get_exception_overflow (), ip);
3473                         sp [-1].data.i = (gint16) sp [-1].data.f;
3474                         ++ip;
3475                         MINT_IN_BREAK;
3476                 MINT_IN_CASE(MINT_CONV_OVF_U2_I4)
3477                         if (sp [-1].data.i < 0 || sp [-1].data.i > 65535)
3478                                 THROW_EX (mono_get_exception_overflow (), ip);
3479                         ++ip;
3480                         MINT_IN_BREAK;
3481                 MINT_IN_CASE(MINT_CONV_OVF_U2_I8)
3482                         if (sp [-1].data.l < 0 || sp [-1].data.l > 65535)
3483                                 THROW_EX (mono_get_exception_overflow (), ip);
3484                         sp [-1].data.i = (guint16) sp [-1].data.l;
3485                         ++ip;
3486                         MINT_IN_BREAK;
3487                 MINT_IN_CASE(MINT_CONV_OVF_U2_R8)
3488                         if (sp [-1].data.f < 0 || sp [-1].data.f > 65535)
3489                                 THROW_EX (mono_get_exception_overflow (), ip);
3490                         sp [-1].data.i = (guint16) sp [-1].data.f;
3491                         ++ip;
3492                         MINT_IN_BREAK;
3493                 MINT_IN_CASE(MINT_CONV_OVF_I1_I4)
3494                         if (sp [-1].data.i < -128 || sp [-1].data.i > 127)
3495                                 THROW_EX (mono_get_exception_overflow (), ip);
3496                         ++ip;
3497                         MINT_IN_BREAK;
3498                 MINT_IN_CASE(MINT_CONV_OVF_I1_I8)
3499                         if (sp [-1].data.l < -128 || sp [-1].data.l > 127)
3500                                 THROW_EX (mono_get_exception_overflow (), ip);
3501                         sp [-1].data.i = (gint8) sp [-1].data.l;
3502                         ++ip;
3503                         MINT_IN_BREAK;
3504                 MINT_IN_CASE(MINT_CONV_OVF_I1_R8)
3505                         if (sp [-1].data.f < -128 || sp [-1].data.f > 127)
3506                                 THROW_EX (mono_get_exception_overflow (), ip);
3507                         sp [-1].data.i = (gint8) sp [-1].data.f;
3508                         ++ip;
3509                         MINT_IN_BREAK;
3510                 MINT_IN_CASE(MINT_CONV_OVF_U1_I4)
3511                         if (sp [-1].data.i < 0 || sp [-1].data.i > 255)
3512                                 THROW_EX (mono_get_exception_overflow (), ip);
3513                         ++ip;
3514                         MINT_IN_BREAK;
3515                 MINT_IN_CASE(MINT_CONV_OVF_U1_I8)
3516                         if (sp [-1].data.l < 0 || sp [-1].data.l > 255)
3517                                 THROW_EX (mono_get_exception_overflow (), ip);
3518                         sp [-1].data.i = (guint8) sp [-1].data.l;
3519                         ++ip;
3520                         MINT_IN_BREAK;
3521                 MINT_IN_CASE(MINT_CONV_OVF_U1_R8)
3522                         if (sp [-1].data.f < 0 || sp [-1].data.f > 255)
3523                                 THROW_EX (mono_get_exception_overflow (), ip);
3524                         sp [-1].data.i = (guint8) sp [-1].data.f;
3525                         ++ip;
3526                         MINT_IN_BREAK;
3527 #if 0
3528                 MINT_IN_CASE(MINT_LDELEM)
3529                 MINT_IN_CASE(MINT_STELEM)
3530                 MINT_IN_CASE(MINT_UNBOX_ANY)
3531
3532                 MINT_IN_CASE(MINT_REFANYVAL) ves_abort(); MINT_IN_BREAK;
3533 #endif
3534                 MINT_IN_CASE(MINT_CKFINITE)
3535                         if (!isfinite(sp [-1].data.f))
3536                                 THROW_EX (mono_get_exception_arithmetic (), ip);
3537                         ++ip;
3538                         MINT_IN_BREAK;
3539 #if 0
3540                 MINT_IN_CASE(MINT_MKREFANY) ves_abort(); MINT_IN_BREAK;
3541 #endif
3542                 MINT_IN_CASE(MINT_LDTOKEN)
3543                         sp->data.p = vt_sp;
3544                         vt_sp += 8;
3545                         * (gpointer *)sp->data.p = rtm->data_items[*(guint16 *)(ip + 1)];
3546                         ip += 2;
3547                         ++sp;
3548                         MINT_IN_BREAK;
3549                 MINT_IN_CASE(MINT_ADD_OVF_I4)
3550                         if (CHECK_ADD_OVERFLOW (sp [-2].data.i, sp [-1].data.i))
3551                                 THROW_EX (mono_get_exception_overflow (), ip);
3552                         BINOP(i, +);
3553                         MINT_IN_BREAK;
3554                 MINT_IN_CASE(MINT_ADD_OVF_I8)
3555                         if (CHECK_ADD_OVERFLOW64 (sp [-2].data.l, sp [-1].data.l))
3556                                 THROW_EX (mono_get_exception_overflow (), ip);
3557                         BINOP(l, +);
3558                         MINT_IN_BREAK;
3559                 MINT_IN_CASE(MINT_ADD_OVF_UN_I4)
3560                         if (CHECK_ADD_OVERFLOW_UN (sp [-2].data.i, sp [-1].data.i))
3561                                 THROW_EX (mono_get_exception_overflow (), ip);
3562                         BINOP_CAST(i, +, guint32);
3563                         MINT_IN_BREAK;
3564                 MINT_IN_CASE(MINT_ADD_OVF_UN_I8)
3565                         if (CHECK_ADD_OVERFLOW64_UN (sp [-2].data.l, sp [-1].data.l))
3566                                 THROW_EX (mono_get_exception_overflow (), ip);
3567                         BINOP_CAST(l, +, guint64);
3568                         MINT_IN_BREAK;
3569                 MINT_IN_CASE(MINT_MUL_OVF_I4)
3570                         if (CHECK_MUL_OVERFLOW (sp [-2].data.i, sp [-1].data.i))
3571                                 THROW_EX (mono_get_exception_overflow (), ip);
3572                         BINOP(i, *);
3573                         MINT_IN_BREAK;
3574                 MINT_IN_CASE(MINT_MUL_OVF_I8)
3575                         if (CHECK_MUL_OVERFLOW64 (sp [-2].data.l, sp [-1].data.l))
3576                                 THROW_EX (mono_get_exception_overflow (), ip);
3577                         BINOP(l, *);
3578                         MINT_IN_BREAK;
3579                 MINT_IN_CASE(MINT_MUL_OVF_UN_I4)
3580                         if (CHECK_MUL_OVERFLOW_UN (sp [-2].data.i, sp [-1].data.i))
3581                                 THROW_EX (mono_get_exception_overflow (), ip);
3582                         BINOP_CAST(i, *, guint32);
3583                         MINT_IN_BREAK;
3584                 MINT_IN_CASE(MINT_MUL_OVF_UN_I8)
3585                         if (CHECK_MUL_OVERFLOW64_UN (sp [-2].data.l, sp [-1].data.l))
3586                                 THROW_EX (mono_get_exception_overflow (), ip);
3587                         BINOP_CAST(l, *, guint64);
3588                         MINT_IN_BREAK;
3589                 MINT_IN_CASE(MINT_SUB_OVF_I4)
3590                         if (CHECK_SUB_OVERFLOW (sp [-2].data.i, sp [-1].data.i))
3591                                 THROW_EX (mono_get_exception_overflow (), ip);
3592                         BINOP(i, -);
3593                         MINT_IN_BREAK;
3594                 MINT_IN_CASE(MINT_SUB_OVF_I8)
3595                         if (CHECK_SUB_OVERFLOW64 (sp [-2].data.l, sp [-1].data.l))
3596                                 THROW_EX (mono_get_exception_overflow (), ip);
3597                         BINOP(l, -);
3598                         MINT_IN_BREAK;
3599                 MINT_IN_CASE(MINT_SUB_OVF_UN_I4)
3600                         if (CHECK_SUB_OVERFLOW_UN (sp [-2].data.i, sp [-1].data.i))
3601                                 THROW_EX (mono_get_exception_overflow (), ip);
3602                         BINOP_CAST(i, -, guint32);
3603                         MINT_IN_BREAK;
3604                 MINT_IN_CASE(MINT_SUB_OVF_UN_I8)
3605                         if (CHECK_SUB_OVERFLOW64_UN (sp [-2].data.l, sp [-1].data.l))
3606                                 THROW_EX (mono_get_exception_overflow (), ip);
3607                         BINOP_CAST(l, -, guint64);
3608                         MINT_IN_BREAK;
3609                 MINT_IN_CASE(MINT_ENDFINALLY)
3610                         if (finally_ips) {
3611                                 ip = finally_ips->data;
3612                                 finally_ips = g_slist_remove (finally_ips, ip);
3613                                 goto main_loop;
3614                         }
3615                         if (frame->ex)
3616                                 goto handle_fault;
3617                         ves_abort();
3618                         MINT_IN_BREAK;
3619                 MINT_IN_CASE(MINT_LEAVE) /* Fall through */
3620                 MINT_IN_CASE(MINT_LEAVE_S)
3621                         while (sp > frame->stack) {
3622                                 --sp;
3623                         }
3624                         frame->ip = ip;
3625                         if (*ip == MINT_LEAVE_S) {
3626                                 ip += (short) *(ip + 1);
3627                         } else {
3628                                 ip += (gint32) READ32 (ip + 1);
3629                         }
3630                         endfinally_ip = ip;
3631                         if (frame->ex_handler != NULL && MONO_OFFSET_IN_HANDLER(frame->ex_handler, frame->ip - rtm->code)) {
3632                                 frame->ex_handler = NULL;
3633                                 frame->ex = NULL;
3634                         }
3635                         goto handle_finally;
3636                         MINT_IN_BREAK;
3637                 MINT_IN_CASE(MINT_ICALL_V_V)
3638                 MINT_IN_CASE(MINT_ICALL_V_P)
3639                 MINT_IN_CASE(MINT_ICALL_P_V)
3640                 MINT_IN_CASE(MINT_ICALL_P_P)
3641                 MINT_IN_CASE(MINT_ICALL_PP_V)
3642                 MINT_IN_CASE(MINT_ICALL_PI_V)
3643                 MINT_IN_CASE(MINT_ICALL_PP_P)
3644                 MINT_IN_CASE(MINT_ICALL_PI_P)
3645                 MINT_IN_CASE(MINT_ICALL_PPP_V)
3646                 MINT_IN_CASE(MINT_ICALL_PPI_V)
3647                         sp = do_icall (context, *ip, sp, rtm->data_items [*(guint16 *)(ip + 1)]);
3648                         if (frame->ex != NULL)
3649                                 goto handle_exception;
3650                         ip += 2;
3651                         MINT_IN_BREAK;
3652                 MINT_IN_CASE(MINT_MONO_LDPTR)
3653                         sp->data.p = rtm->data_items [*(guint16 *)(ip + 1)];
3654                         ip += 2;
3655                         ++sp;
3656                         MINT_IN_BREAK;
3657                 MINT_IN_CASE(MINT_MONO_NEWOBJ)
3658                         sp->data.p = mono_object_new_checked (context->domain, rtm->data_items [*(guint16 *)(ip + 1)], &error);
3659                         mono_error_cleanup (&error); /* FIXME: don't swallow the error */
3660                         ip += 2;
3661                         sp++;
3662                         MINT_IN_BREAK;
3663                 MINT_IN_CASE(MINT_MONO_FREE)
3664                         ++ip;
3665                         --sp;
3666                         g_error ("that doesn't seem right");
3667                         g_free (sp->data.p);
3668                         MINT_IN_BREAK;
3669                 MINT_IN_CASE(MINT_MONO_RETOBJ)
3670                         ++ip;
3671                         sp--;
3672                         stackval_from_data (mono_method_signature (frame->runtime_method->method)->ret, frame->retval, sp->data.p,
3673                              mono_method_signature (frame->runtime_method->method)->pinvoke);
3674                         if (sp > frame->stack)
3675                                 g_warning ("retobj: more values on stack: %d", sp-frame->stack);
3676                         goto exit_frame;
3677
3678 #define RELOP(datamem, op) \
3679         --sp; \
3680         sp [-1].data.i = sp [-1].data.datamem op sp [0].data.datamem; \
3681         ++ip;
3682                 MINT_IN_CASE(MINT_CEQ_I4)
3683                         RELOP(i, ==);
3684                         MINT_IN_BREAK;
3685                 MINT_IN_CASE(MINT_CEQ0_I4)
3686                         sp [-1].data.i = (sp [-1].data.i == 0);
3687                         ++ip;
3688                         MINT_IN_BREAK;
3689                 MINT_IN_CASE(MINT_CEQ_I8)
3690                         RELOP(l, ==);
3691                         MINT_IN_BREAK;
3692                 MINT_IN_CASE(MINT_CEQ_R8)
3693                         --sp;
3694                         if (isunordered (sp [-1].data.f, sp [0].data.f))
3695                                 sp [-1].data.i = 0;
3696                         else
3697                                 sp [-1].data.i = sp [-1].data.f == sp [0].data.f;
3698                         ++ip;
3699                         MINT_IN_BREAK;
3700                 MINT_IN_CASE(MINT_CGT_I4)
3701                         RELOP(i, >);
3702                         MINT_IN_BREAK;
3703                 MINT_IN_CASE(MINT_CGT_I8)
3704                         RELOP(l, >);
3705                         MINT_IN_BREAK;
3706                 MINT_IN_CASE(MINT_CGT_R8)
3707                         --sp;
3708                         if (isunordered (sp [-1].data.f, sp [0].data.f))
3709                                 sp [-1].data.i = 0;
3710                         else
3711                                 sp [-1].data.i = sp [-1].data.f > sp [0].data.f;
3712                         ++ip;
3713                         MINT_IN_BREAK;
3714
3715 #define RELOP_CAST(datamem, op, type) \
3716         --sp; \
3717         sp [-1].data.i = (type)sp [-1].data.datamem op (type)sp [0].data.datamem; \
3718         ++ip;
3719
3720                 MINT_IN_CASE(MINT_CGT_UN_I4)
3721                         RELOP_CAST(i, >, guint32);
3722                         MINT_IN_BREAK;
3723                 MINT_IN_CASE(MINT_CGT_UN_I8)
3724                         RELOP_CAST(l, >, guint64);
3725                         MINT_IN_BREAK;
3726                 MINT_IN_CASE(MINT_CGT_UN_R8)
3727                         --sp;
3728                         if (isunordered (sp [-1].data.f, sp [0].data.f))
3729                                 sp [-1].data.i = 1;
3730                         else
3731                                 sp [-1].data.i = sp [-1].data.f > sp [0].data.f;
3732                         ++ip;
3733                         MINT_IN_BREAK;
3734                 MINT_IN_CASE(MINT_CLT_I4)
3735                         RELOP(i, <);
3736                         MINT_IN_BREAK;
3737                 MINT_IN_CASE(MINT_CLT_I8)
3738                         RELOP(l, <);
3739                         MINT_IN_BREAK;
3740                 MINT_IN_CASE(MINT_CLT_R8)
3741                         --sp;
3742                         if (isunordered (sp [-1].data.f, sp [0].data.f))
3743                                 sp [-1].data.i = 0;
3744                         else
3745                                 sp [-1].data.i = sp [-1].data.f < sp [0].data.f;
3746                         ++ip;
3747                         MINT_IN_BREAK;
3748                 MINT_IN_CASE(MINT_CLT_UN_I4)
3749                         RELOP_CAST(i, <, guint32);
3750                         MINT_IN_BREAK;
3751                 MINT_IN_CASE(MINT_CLT_UN_I8)
3752                         RELOP_CAST(l, <, guint64);
3753                         MINT_IN_BREAK;
3754                 MINT_IN_CASE(MINT_CLT_UN_R8)
3755                         --sp;
3756                         if (isunordered (sp [-1].data.f, sp [0].data.f))
3757                                 sp [-1].data.i = 1;
3758                         else
3759                                 sp [-1].data.i = sp [-1].data.f < sp [0].data.f;
3760                         ++ip;
3761                         MINT_IN_BREAK;
3762                 MINT_IN_CASE(MINT_LDFTN) {
3763                         sp->data.p = rtm->data_items [* (guint16 *)(ip + 1)];
3764                         ++sp;
3765                         ip += 2;
3766                         MINT_IN_BREAK;
3767                 }
3768                 MINT_IN_CASE(MINT_LDVIRTFTN) {
3769                         RuntimeMethod *m = rtm->data_items [* (guint16 *)(ip + 1)];
3770                         ip += 2;
3771                         --sp;
3772                         if (!sp->data.p)
3773                                 THROW_EX (mono_get_exception_null_reference (), ip - 2);
3774
3775                         sp->data.p = get_virtual_method (context->domain, m, sp->data.p);
3776                         ++sp;
3777                         MINT_IN_BREAK;
3778                 }
3779
3780                 MINT_IN_CASE(MINT_LDTHISA)
3781                         g_error ("should not happen");
3782                         // sp->data.p = &frame->obj;
3783                         ++ip;
3784                         ++sp;
3785                         MINT_IN_BREAK;
3786
3787 #define LDARG(datamem, argtype) \
3788         sp->data.datamem = * (argtype *)(frame->args + * (guint16 *)(ip + 1)); \
3789         ip += 2; \
3790         ++sp;
3791
3792                 MINT_IN_CASE(MINT_LDARG_I1) LDARG(i, gint8); MINT_IN_BREAK;
3793                 MINT_IN_CASE(MINT_LDARG_U1) LDARG(i, guint8); MINT_IN_BREAK;
3794                 MINT_IN_CASE(MINT_LDARG_I2) LDARG(i, gint16); MINT_IN_BREAK;
3795                 MINT_IN_CASE(MINT_LDARG_U2) LDARG(i, guint16); MINT_IN_BREAK;
3796                 MINT_IN_CASE(MINT_LDARG_I4) LDARG(i, gint32); MINT_IN_BREAK;
3797                 MINT_IN_CASE(MINT_LDARG_I8) LDARG(l, gint64); MINT_IN_BREAK;
3798                 MINT_IN_CASE(MINT_LDARG_R4) LDARG(f, float); MINT_IN_BREAK;
3799                 MINT_IN_CASE(MINT_LDARG_R8) LDARG(f, double); MINT_IN_BREAK;
3800                 MINT_IN_CASE(MINT_LDARG_O) LDARG(p, gpointer); MINT_IN_BREAK;
3801                 MINT_IN_CASE(MINT_LDARG_P) LDARG(p, gpointer); MINT_IN_BREAK;
3802
3803                 MINT_IN_CASE(MINT_LDARG_VT)
3804                         sp->data.p = vt_sp;
3805                         i32 = READ32(ip + 2);
3806                         memcpy(sp->data.p, frame->args + * (guint16 *)(ip + 1), i32);
3807                         vt_sp += (i32 + 7) & ~7;
3808                         ip += 4;
3809                         ++sp;
3810                         MINT_IN_BREAK;
3811
3812 #define STARG(datamem, argtype) \
3813         --sp; \
3814         * (argtype *)(frame->args + * (guint16 *)(ip + 1)) = sp->data.datamem; \
3815         ip += 2; \
3816
3817                 MINT_IN_CASE(MINT_STARG_I1) STARG(i, gint8); MINT_IN_BREAK;
3818                 MINT_IN_CASE(MINT_STARG_U1) STARG(i, guint8); MINT_IN_BREAK;
3819                 MINT_IN_CASE(MINT_STARG_I2) STARG(i, gint16); MINT_IN_BREAK;
3820                 MINT_IN_CASE(MINT_STARG_U2) STARG(i, guint16); MINT_IN_BREAK;
3821                 MINT_IN_CASE(MINT_STARG_I4) STARG(i, gint32); MINT_IN_BREAK;
3822                 MINT_IN_CASE(MINT_STARG_I8) STARG(l, gint64); MINT_IN_BREAK;
3823                 MINT_IN_CASE(MINT_STARG_R4) STARG(f, float); MINT_IN_BREAK;
3824                 MINT_IN_CASE(MINT_STARG_R8) STARG(f, double); MINT_IN_BREAK;
3825                 MINT_IN_CASE(MINT_STARG_O) STARG(p, gpointer); MINT_IN_BREAK;
3826                 MINT_IN_CASE(MINT_STARG_P) STARG(p, gpointer); MINT_IN_BREAK;
3827
3828                 MINT_IN_CASE(MINT_STARG_VT)
3829                         i32 = READ32(ip + 2);
3830                         --sp;
3831                         memcpy(frame->args + * (guint16 *)(ip + 1), sp->data.p, i32);
3832                         vt_sp -= (i32 + 7) & ~7;
3833                         ip += 4;
3834                         MINT_IN_BREAK;
3835
3836 #define STINARG(datamem, argtype) \
3837         do { \
3838                 int n = * (guint16 *)(ip + 1); \
3839                 * (argtype *)(frame->args + rtm->arg_offsets [n]) = frame->stack_args [n].data.datamem; \
3840                 ip += 2; \
3841         } while (0)
3842
3843                 MINT_IN_CASE(MINT_STINARG_I1) STINARG(i, gint8); MINT_IN_BREAK;
3844                 MINT_IN_CASE(MINT_STINARG_U1) STINARG(i, guint8); MINT_IN_BREAK;
3845                 MINT_IN_CASE(MINT_STINARG_I2) STINARG(i, gint16); MINT_IN_BREAK;
3846                 MINT_IN_CASE(MINT_STINARG_U2) STINARG(i, guint16); MINT_IN_BREAK;
3847                 MINT_IN_CASE(MINT_STINARG_I4) STINARG(i, gint32); MINT_IN_BREAK;
3848                 MINT_IN_CASE(MINT_STINARG_I8) STINARG(l, gint64); MINT_IN_BREAK;
3849                 MINT_IN_CASE(MINT_STINARG_R4) STINARG(f, float); MINT_IN_BREAK;
3850                 MINT_IN_CASE(MINT_STINARG_R8) STINARG(f, double); MINT_IN_BREAK;
3851                 MINT_IN_CASE(MINT_STINARG_O) STINARG(p, gpointer); MINT_IN_BREAK;
3852                 MINT_IN_CASE(MINT_STINARG_P) STINARG(p, gpointer); MINT_IN_BREAK;
3853
3854                 MINT_IN_CASE(MINT_STINARG_VT) {
3855                         int n = * (guint16 *)(ip + 1);
3856                         i32 = READ32(ip + 2);
3857                         memcpy (frame->args + rtm->arg_offsets [n], frame->stack_args [n].data.p, i32);
3858                         ip += 4;
3859                         MINT_IN_BREAK;
3860                 }
3861
3862                 MINT_IN_CASE(MINT_LDARGA)
3863                         sp->data.p = frame->args + * (guint16 *)(ip + 1);
3864                         ip += 2;
3865                         ++sp;
3866                         MINT_IN_BREAK;
3867
3868 #define LDLOC(datamem, argtype) \
3869         sp->data.datamem = * (argtype *)(locals + * (guint16 *)(ip + 1)); \
3870         ip += 2; \
3871         ++sp;
3872
3873                 MINT_IN_CASE(MINT_LDLOC_I1) LDLOC(i, gint8); MINT_IN_BREAK;
3874                 MINT_IN_CASE(MINT_LDLOC_U1) LDLOC(i, guint8); MINT_IN_BREAK;
3875                 MINT_IN_CASE(MINT_LDLOC_I2) LDLOC(i, gint16); MINT_IN_BREAK;
3876                 MINT_IN_CASE(MINT_LDLOC_U2) LDLOC(i, guint16); MINT_IN_BREAK;
3877                 MINT_IN_CASE(MINT_LDLOC_I4) LDLOC(i, gint32); MINT_IN_BREAK;
3878                 MINT_IN_CASE(MINT_LDLOC_I8) LDLOC(l, gint64); MINT_IN_BREAK;
3879                 MINT_IN_CASE(MINT_LDLOC_R4) LDLOC(f, float); MINT_IN_BREAK;
3880                 MINT_IN_CASE(MINT_LDLOC_R8) LDLOC(f, double); MINT_IN_BREAK;
3881                 MINT_IN_CASE(MINT_LDLOC_O) LDLOC(p, gpointer); MINT_IN_BREAK;
3882                 MINT_IN_CASE(MINT_LDLOC_P) LDLOC(p, gpointer); MINT_IN_BREAK;
3883
3884                 MINT_IN_CASE(MINT_LDLOC_VT)
3885                         sp->data.p = vt_sp;
3886                         i32 = READ32(ip + 2);
3887                         memcpy(sp->data.p, locals + * (guint16 *)(ip + 1), i32);
3888                         vt_sp += (i32 + 7) & ~7;
3889                         ip += 4;
3890                         ++sp;
3891                         MINT_IN_BREAK;
3892
3893                 MINT_IN_CASE(MINT_LDLOCA_S)
3894                         sp->data.p = locals + * (guint16 *)(ip + 1);
3895                         ip += 2;
3896                         ++sp;
3897                         MINT_IN_BREAK;
3898
3899 #define STLOC(datamem, argtype) \
3900         --sp; \
3901         * (argtype *)(locals + * (guint16 *)(ip + 1)) = sp->data.datamem; \
3902         ip += 2;
3903
3904                 MINT_IN_CASE(MINT_STLOC_I1) STLOC(i, gint8); MINT_IN_BREAK;
3905                 MINT_IN_CASE(MINT_STLOC_U1) STLOC(i, guint8); MINT_IN_BREAK;
3906                 MINT_IN_CASE(MINT_STLOC_I2) STLOC(i, gint16); MINT_IN_BREAK;
3907                 MINT_IN_CASE(MINT_STLOC_U2) STLOC(i, guint16); MINT_IN_BREAK;
3908                 MINT_IN_CASE(MINT_STLOC_I4) STLOC(i, gint32); MINT_IN_BREAK;
3909                 MINT_IN_CASE(MINT_STLOC_I8) STLOC(l, gint64); MINT_IN_BREAK;
3910                 MINT_IN_CASE(MINT_STLOC_R4) STLOC(f, float); MINT_IN_BREAK;
3911                 MINT_IN_CASE(MINT_STLOC_R8) STLOC(f, double); MINT_IN_BREAK;
3912                 MINT_IN_CASE(MINT_STLOC_O) STLOC(p, gpointer); MINT_IN_BREAK;
3913                 MINT_IN_CASE(MINT_STLOC_P) STLOC(p, gpointer); MINT_IN_BREAK;
3914
3915 #define STLOC_NP(datamem, argtype) \
3916         * (argtype *)(locals + * (guint16 *)(ip + 1)) = sp [-1].data.datamem; \
3917         ip += 2;
3918
3919                 MINT_IN_CASE(MINT_STLOC_NP_I4) STLOC_NP(i, gint32); MINT_IN_BREAK;
3920                 MINT_IN_CASE(MINT_STLOC_NP_O) STLOC_NP(p, gpointer); MINT_IN_BREAK;
3921
3922                 MINT_IN_CASE(MINT_STLOC_VT)
3923                         i32 = READ32(ip + 2);
3924                         --sp;
3925                         memcpy(locals + * (guint16 *)(ip + 1), sp->data.p, i32);
3926                         vt_sp -= (i32 + 7) & ~7;
3927                         ip += 4;
3928                         MINT_IN_BREAK;
3929
3930                 MINT_IN_CASE(MINT_LOCALLOC) {
3931                         if (sp != frame->stack + 1) /*FIX?*/
3932                                 THROW_EX (mono_get_exception_execution_engine (NULL), ip);
3933
3934                         int len = sp [-1].data.i;
3935                         sp [-1].data.p = alloca (len);
3936                         MonoMethodHeader *header = mono_method_get_header_checked (frame->runtime_method->method, &error);
3937                         mono_error_cleanup (&error); /* FIXME: don't swallow the error */
3938                         if (header->init_locals)
3939                                 memset (sp [-1].data.p, 0, len);
3940                         ++ip;
3941                         MINT_IN_BREAK;
3942                 }
3943 #if 0
3944                 MINT_IN_CASE(MINT_ENDFILTER) ves_abort(); MINT_IN_BREAK;
3945 #endif
3946                 MINT_IN_CASE(MINT_INITOBJ)
3947                         --sp;
3948                         memset (sp->data.vt, 0, READ32(ip + 1));
3949                         ip += 3;
3950                         MINT_IN_BREAK;
3951                 MINT_IN_CASE(MINT_CPBLK)
3952                         sp -= 3;
3953                         if (!sp [0].data.p || !sp [1].data.p)
3954                                 THROW_EX (mono_get_exception_null_reference(), ip - 1);
3955                         ++ip;
3956                         /* FIXME: value and size may be int64... */
3957                         memcpy (sp [0].data.p, sp [1].data.p, sp [2].data.i);
3958                         MINT_IN_BREAK;
3959 #if 0
3960                 MINT_IN_CASE(MINT_CONSTRAINED_) {
3961                         guint32 token;
3962                         /* FIXME: implement */
3963                         ++ip;
3964                         token = READ32 (ip);
3965                         ip += 2;
3966                         MINT_IN_BREAK;
3967                 }
3968 #endif
3969                 MINT_IN_CASE(MINT_INITBLK)
3970                         sp -= 3;
3971                         if (!sp [0].data.p)
3972                                 THROW_EX (mono_get_exception_null_reference(), ip - 1);
3973                         ++ip;
3974                         /* FIXME: value and size may be int64... */
3975                         memset (sp [0].data.p, sp [1].data.i, sp [2].data.i);
3976                         MINT_IN_BREAK;
3977 #if 0
3978                 MINT_IN_CASE(MINT_NO_)
3979                         /* FIXME: implement */
3980                         ip += 2;
3981                         MINT_IN_BREAK;
3982 #endif
3983                 MINT_IN_CASE(MINT_RETHROW)
3984                         /*
3985                          * need to clarify what this should actually do:
3986                          * start the search from the last found handler in
3987                          * this method or continue in the caller or what.
3988                          * Also, do we need to run finally/fault handlers after a retrow?
3989                          * Well, this implementation will follow the usual search
3990                          * for an handler, considering the current ip as throw spot.
3991                          * We need to NULL frame->ex_handler for the later code to
3992                          * actually run the new found handler.
3993                          */
3994                         frame->ex_handler = NULL;
3995                         THROW_EX (frame->ex, ip - 1);
3996                         MINT_IN_BREAK;
3997                 MINT_IN_DEFAULT
3998                         g_print ("Unimplemented opcode: %04x %s at 0x%x\n", *ip, mono_interp_opname[*ip], ip-rtm->code);
3999                         THROW_EX (mono_get_exception_execution_engine ("Unimplemented opcode"), ip);
4000                 }
4001         }
4002
4003         g_assert_not_reached ();
4004         /*
4005          * Exception handling code.
4006          * The exception object is stored in frame->ex.
4007          */
4008
4009         handle_exception:
4010         {
4011                 int i;
4012                 guint32 ip_offset;
4013                 MonoInvocation *inv;
4014                 MonoExceptionClause *clause;
4015                 /*char *message;*/
4016                 MonoObject *ex_obj;
4017
4018 #if DEBUG_INTERP
4019                 if (tracing)
4020                         g_print ("* Handling exception '%s' at IL_%04x\n",
4021                                 frame->ex == NULL ? "** Unknown **" : mono_object_class (frame->ex)->name,
4022                                 rtm == NULL ? 0 : frame->ip - rtm->code);
4023 #endif
4024                 if (die_on_exception)
4025                         goto die_on_ex;
4026
4027                 for (inv = frame; inv; inv = inv->parent) {
4028                         MonoMethod *method;
4029                         if (inv->runtime_method == NULL)
4030                                 continue;
4031                         method = inv->runtime_method->method;
4032                         if (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL)
4033                                 continue;
4034                         if (method->iflags & (METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL | METHOD_IMPL_ATTRIBUTE_RUNTIME))
4035                                 continue;
4036                         if (inv->ip == NULL)
4037                                 continue;
4038                         ip_offset = inv->ip - inv->runtime_method->code;
4039                         inv->ex_handler = NULL; /* clear this in case we are trhowing an exception while handling one  - this one wins */
4040                         for (i = 0; i < inv->runtime_method->num_clauses; ++i) {
4041                                 clause = &inv->runtime_method->clauses [i];
4042                                 if (clause->flags <= 1 && MONO_OFFSET_IN_CLAUSE (clause, ip_offset)) {
4043                                         if (!clause->flags) {
4044                                                 MonoObject *isinst_obj = mono_object_isinst_checked ((MonoObject*)frame->ex, clause->data.catch_class, &error);
4045                                                 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
4046                                                 if (isinst_obj) {
4047                                                         /*
4048                                                          * OK, we found an handler, now we need to execute the finally
4049                                                          * and fault blocks before branching to the handler code.
4050                                                          */
4051                                                         inv->ex_handler = clause;
4052 #if DEBUG_INTERP
4053                                                         if (tracing)
4054                                                                 g_print ("* Found handler at '%s'\n", method->name);
4055 #endif
4056                                                         goto handle_finally;
4057                                                 }
4058                                         } else {
4059                                                 g_error ("FIXME: handle filter clause");
4060                                         }
4061                                 }
4062                         }
4063                 }
4064                 /*
4065                  * If we get here, no handler was found: print a stack trace.
4066                  */
4067                 for (inv = frame; inv; inv = inv->parent) {
4068                         if (inv->invoke_trap)
4069                                 goto handle_finally;
4070                 }
4071 die_on_ex:
4072                 ex_obj = (MonoObject*)frame->ex;
4073                 mono_unhandled_exception (ex_obj);
4074                 exit (1);
4075         }
4076         handle_finally:
4077         {
4078                 int i;
4079                 guint32 ip_offset;
4080                 MonoExceptionClause *clause;
4081                 GSList *old_list = finally_ips;
4082                 MonoMethod *method = frame->runtime_method->method;
4083                 MonoMethodHeader *header = mono_method_get_header_checked (method, &error);
4084                 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
4085
4086 #if DEBUG_INTERP
4087                 if (tracing)
4088                         g_print ("* Handle finally IL_%04x\n", endfinally_ip == NULL ? 0 : endfinally_ip - rtm->code);
4089 #endif
4090                 if (rtm == NULL || (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL)
4091                                 || (method->iflags & (METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL | METHOD_IMPL_ATTRIBUTE_RUNTIME))) {
4092                         goto exit_frame;
4093                 }
4094                 ip_offset = frame->ip - rtm->code;
4095
4096                 if (endfinally_ip != NULL)
4097                         finally_ips = g_slist_prepend(finally_ips, (void *)endfinally_ip);
4098                 for (i = 0; i < header->num_clauses; ++i)
4099                         if (frame->ex_handler == &rtm->clauses [i])
4100                                 break;
4101                 while (i > 0) {
4102                         --i;
4103                         clause = &rtm->clauses [i];
4104                         if (MONO_OFFSET_IN_CLAUSE (clause, ip_offset) && (endfinally_ip == NULL || !(MONO_OFFSET_IN_CLAUSE (clause, endfinally_ip - rtm->code)))) {
4105                                 if (clause->flags == MONO_EXCEPTION_CLAUSE_FINALLY) {
4106                                         ip = rtm->code + clause->handler_offset;
4107                                         finally_ips = g_slist_prepend (finally_ips, (gpointer) ip);
4108 #if DEBUG_INTERP
4109                                         if (tracing)
4110                                                 g_print ("* Found finally at IL_%04x with exception: %s\n", clause->handler_offset, frame->ex? "yes": "no");
4111 #endif
4112                                 }
4113                         }
4114                 }
4115
4116                 endfinally_ip = NULL;
4117
4118                 if (old_list != finally_ips && finally_ips) {
4119                         ip = finally_ips->data;
4120                         finally_ips = g_slist_remove (finally_ips, ip);
4121                         sp = frame->stack; /* spec says stack should be empty at endfinally so it should be at the start too */
4122                         goto main_loop;
4123                 }
4124
4125                 /*
4126                  * If an exception is set, we need to execute the fault handler, too,
4127                  * otherwise, we continue normally.
4128                  */
4129                 if (frame->ex)
4130                         goto handle_fault;
4131                 ves_abort();
4132         }
4133         handle_fault:
4134         {
4135                 int i;
4136                 guint32 ip_offset;
4137                 MonoExceptionClause *clause;
4138                 MonoMethod *method = frame->runtime_method->method;
4139                 MonoMethodHeader *header = mono_method_get_header_checked (method, &error);
4140                 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
4141
4142 #if DEBUG_INTERP
4143                 if (tracing)
4144                         g_print ("* Handle fault\n");
4145 #endif
4146                 ip_offset = frame->ip - rtm->code;
4147                 for (i = 0; i < header->num_clauses; ++i) {
4148                         clause = &rtm->clauses [i];
4149                         if (clause->flags == MONO_EXCEPTION_CLAUSE_FAULT && MONO_OFFSET_IN_CLAUSE (clause, ip_offset)) {
4150                                 ip = rtm->code + clause->handler_offset;
4151 #if DEBUG_INTERP
4152                                 if (tracing)
4153                                         g_print ("* Executing handler at IL_%04x\n", clause->handler_offset);
4154 #endif
4155                                 goto main_loop;
4156                         }
4157                 }
4158                 /*
4159                  * If the handler for the exception was found in this method, we jump
4160                  * to it right away, otherwise we return and let the caller run
4161                  * the finally, fault and catch blocks.
4162                  * This same code should be present in the endfault opcode, but it
4163                  * is corrently not assigned in the ECMA specs: LAMESPEC.
4164                  */
4165                 if (frame->ex_handler) {
4166 #if DEBUG_INTERP
4167                         if (tracing)
4168                                 g_print ("* Executing handler at IL_%04x\n", frame->ex_handler->handler_offset);
4169 #endif
4170                         ip = rtm->code + frame->ex_handler->handler_offset;
4171                         sp = frame->stack;
4172                         vt_sp = (unsigned char *) sp + rtm->stack_size;
4173                         sp->data.p = frame->ex;
4174                         ++sp;
4175                         goto main_loop;
4176                 }
4177                 goto exit_frame;
4178         }
4179 exit_frame:
4180         DEBUG_LEAVE ();
4181 }
4182
4183 void
4184 ves_exec_method (MonoInvocation *frame)
4185 {
4186         ThreadContext *context = mono_native_tls_get_value (thread_context_id);
4187         ThreadContext context_struct;
4188         MonoError error;
4189         jmp_buf env;
4190
4191         frame->ex = NULL;
4192
4193         if (setjmp(env)) {
4194                 mono_unhandled_exception ((MonoObject*)frame->ex);
4195                 return;
4196         }
4197         if (context == NULL) {
4198                 context = &context_struct;
4199                 context_struct.domain = mono_domain_get ();
4200                 context_struct.base_frame = frame;
4201                 context_struct.current_frame = NULL;
4202                 context_struct.env_frame = frame;
4203                 context_struct.current_env = &env;
4204                 context_struct.search_for_handler = 0;
4205                 context_struct.managed_code = 0;
4206                 mono_native_tls_set_value (thread_context_id, context);
4207         }
4208         frame->ip = NULL;
4209         frame->parent = context->current_frame;
4210         frame->runtime_method = mono_interp_get_runtime_method (context->domain, frame->method, &error);
4211         mono_error_cleanup (&error); /* FIXME: don't swallow the error */
4212         context->managed_code = 1;
4213         ves_exec_method_with_context (frame, context);
4214         context->managed_code = 0;
4215         if (frame->ex) {
4216                 if (context != &context_struct && context->current_env) {
4217                         context->env_frame->ex = frame->ex;
4218                         longjmp (*context->current_env, 1);
4219                 }
4220                 else
4221                         mono_unhandled_exception ((MonoObject*)frame->ex);
4222         }
4223         if (context->base_frame == frame)
4224                 mono_native_tls_set_value (thread_context_id, NULL);
4225         else
4226                 context->current_frame = frame->parent;
4227 }
4228
4229 static int
4230 ves_exec (MonoDomain *domain, MonoAssembly *assembly, int argc, char *argv[])
4231 {
4232         MonoImage *image = mono_assembly_get_image (assembly);
4233         MonoMethod *method;
4234         MonoError error;
4235         int rval;
4236
4237         method = mono_get_method_checked (image, mono_image_get_entry_point (image), NULL, NULL, &error);
4238         mono_error_cleanup (&error); /* FIXME: don't swallow the error */
4239
4240         if (!method)
4241                 g_error ("No entry point method found in %s", mono_image_get_filename (image));
4242
4243         rval = mono_runtime_run_main_checked (method, argc, argv, &error);
4244         mono_error_cleanup (&error); /* FIXME: don't swallow the error */
4245         return rval;
4246 }
4247
4248 static void
4249 usage (void)
4250 {
4251         fprintf (stderr,
4252                  "mint %s, the Mono ECMA CLI interpreter, (C) 2001, 2002 Ximian, Inc.\n\n"
4253                  "Usage is: mint [options] executable args...\n\n", VERSION);
4254         fprintf (stderr,
4255                  "Runtime Debugging:\n"
4256 #ifdef DEBUG_INTERP
4257                  "   --debug\n"
4258 #endif
4259                  "   --dieonex\n"
4260                  "   --noptr\t\t\tdon't print pointer addresses in trace output\n"
4261                  "   --opcode-count\n"
4262                  "   --print-vtable\n"
4263                  "   --traceclassinit\n"
4264                  "\n"
4265                  "Development:\n"
4266                  "   --debug method_name\n"
4267                  "   --profile\n"
4268                  "   --trace\n"
4269                  "   --traceops\n"
4270                  "   --regression\n"
4271                  "\n"
4272                  "Runtime:\n"
4273                  "   --config filename  load the specified config file instead of the default\n"
4274                  "   --workers n        maximum number of worker threads\n"
4275                 );
4276         exit (1);
4277 }
4278
4279 static MonoBoolean
4280 interp_ves_icall_get_frame_info (gint32 skip, MonoBoolean need_file_info,
4281                           MonoReflectionMethod **method,
4282                           gint32 *iloffset, gint32 *native_offset,
4283                           MonoString **file, gint32 *line, gint32 *column)
4284 {
4285         ThreadContext *context = mono_native_tls_get_value (thread_context_id);
4286         MonoInvocation *inv = context->current_frame;
4287         MonoError error;
4288         int i;
4289
4290         for (i = 0; inv && i < skip; inv = inv->parent)
4291                 if (inv->runtime_method != NULL)
4292                         ++i;
4293
4294         if (iloffset)
4295                 *iloffset = 0;
4296         if (native_offset)
4297                 *native_offset = 0;
4298         if (method) {
4299                 if (inv == NULL) {
4300                         *method = NULL;
4301                 } else {
4302                         *method = mono_method_get_object_checked (context->domain, inv->runtime_method->method, NULL, &error);
4303                         mono_error_cleanup (&error); /* FIXME: don't swallow the error */
4304                 }
4305         }
4306         if (line)
4307                 *line = 0;
4308         if (need_file_info) {
4309                 if (column)
4310                         *column = 0;
4311                 if (file)
4312                         *file = mono_string_new (mono_domain_get (), "unknown");
4313         }
4314
4315         return TRUE;
4316 }
4317
4318 static MonoArray *
4319 interp_ves_icall_get_trace (MonoException *exc, gint32 skip, MonoBoolean need_file_info)
4320 {
4321         MonoDomain *domain = mono_domain_get ();
4322         MonoArray *res;
4323         MonoArray *ta = exc->trace_ips;
4324         MonoError error;
4325         int i, len;
4326
4327         if (ta == NULL) {
4328                 /* Exception is not thrown yet */
4329                 MonoArray *array = mono_array_new_checked (domain, mono_defaults.stack_frame_class, 0, &error);
4330                 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
4331                 return array;
4332         }
4333
4334         len = mono_array_length (ta);
4335
4336         res = mono_array_new_checked (domain, mono_defaults.stack_frame_class, len > skip ? len - skip : 0, &error);
4337         mono_error_cleanup (&error); /* FIXME: don't swallow the error */
4338
4339         for (i = skip; i < len / 2; i++) {
4340                 MonoStackFrame *sf = (MonoStackFrame *)mono_object_new_checked (domain, mono_defaults.stack_frame_class, &error);
4341                 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
4342                 gushort *ip = mono_array_get (ta, gpointer, 2 * i + 1);
4343                 RuntimeMethod *rtm = mono_array_get (ta, gpointer, 2 * i);
4344
4345                 if (rtm != NULL) {
4346                         sf->method = mono_method_get_object_checked (domain, rtm->method, NULL, &error);
4347                         mono_error_cleanup (&error); /* FIXME: don't swallow the error */
4348                         sf->native_offset = ip - rtm->code;
4349                 }
4350
4351 #if 0
4352                 sf->il_offset = mono_debug_il_offset_from_address (ji->method, sf->native_offset, domain);
4353
4354                 if (need_file_info) {
4355                         gchar *filename;
4356
4357                         filename = mono_debug_source_location_from_address (ji->method, sf->native_offset, &sf->line, domain);
4358
4359                         sf->filename = filename? mono_string_new (domain, filename): NULL;
4360                         sf->column = 0;
4361
4362                         g_free (filename);
4363                 }
4364 #endif
4365
4366                 mono_array_set (res, gpointer, i, sf);
4367         }
4368
4369         return res;
4370 }
4371
4372 void
4373 mono_interp_init ()
4374 {
4375         mono_native_tls_alloc (&thread_context_id, NULL);
4376     mono_native_tls_set_value (thread_context_id, NULL);
4377         mono_os_mutex_init_recursive (&create_method_pointer_mutex);
4378
4379         mono_interp_transform_init ();
4380 }
4381
4382 typedef int (*TestMethod) (void);
4383
4384 static void
4385 interp_regression_step (MonoImage *image, int verbose, int *total_run, int *total, GTimer *timer, MonoDomain *domain)
4386 {
4387         int result, expected, failed, cfailed, run;
4388         double elapsed, transform_time;
4389         int i;
4390         MonoObject *result_obj;
4391         static gboolean filter_method_init = FALSE;
4392         static const char *filter_method = NULL;
4393
4394         g_print ("Test run: image=%s\n", mono_image_get_filename (image));
4395         cfailed = failed = run = 0;
4396         transform_time = elapsed = 0.0;
4397
4398         g_timer_start (timer);
4399         for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_METHOD); ++i) {
4400                 MonoObject *exc = NULL;
4401                 MonoError error;
4402                 MonoMethod *method = mono_get_method_checked (image, MONO_TOKEN_METHOD_DEF | (i + 1), NULL, NULL, &error);
4403                 if (!method) {
4404                         mono_error_cleanup (&error); /* FIXME don't swallow the error */
4405                         continue;
4406                 }
4407
4408                 if (!filter_method_init) {
4409                         filter_method = g_getenv ("INTERP_FILTER_METHOD");
4410                         filter_method_init = TRUE;
4411                 }
4412                 gboolean filter = FALSE;
4413                 if (filter_method) {
4414                         const char *name = filter_method;
4415
4416                         if ((strchr (name, '.') > name) || strchr (name, ':')) {
4417                                 MonoMethodDesc *desc = mono_method_desc_new (name, TRUE);
4418                                 filter = mono_method_desc_full_match (desc, method);
4419                                 mono_method_desc_free (desc);
4420                         } else {
4421                                 filter = strcmp (method->name, name) == 0;
4422                         }
4423                 } else { /* no filter, check for `Category' attribute on method */
4424                         filter = TRUE;
4425                         MonoCustomAttrInfo* ainfo = mono_custom_attrs_from_method_checked (method, &error);
4426                         mono_error_cleanup (&error);
4427
4428                         if (ainfo) {
4429                                 int j;
4430                                 for (j = 0; j < ainfo->num_attrs && filter; ++j) {
4431                                         MonoCustomAttrEntry *centry = &ainfo->attrs [j];
4432                                         if (centry->ctor == NULL)
4433                                                 continue;
4434
4435                                         MonoClass *klass = centry->ctor->klass;
4436                                         if (strcmp (klass->name, "CategoryAttribute"))
4437                                                 continue;
4438
4439                                         MonoObject *obj = mono_custom_attrs_get_attr_checked (ainfo, klass, &error);
4440                                         /* FIXME: there is an ordering problem if there're multiple attributes, do this instead:
4441                                          * MonoObject *obj = create_custom_attr (ainfo->image, centry->ctor, centry->data, centry->data_size, &error); */
4442                                         mono_error_cleanup (&error);
4443                                         MonoMethod *getter = mono_class_get_method_from_name (klass, "get_Category", -1);
4444                                         MonoObject *str = mono_interp_runtime_invoke (getter, obj, NULL, &exc, &error);
4445                                         mono_error_cleanup (&error);
4446                                         char *utf8_str = mono_string_to_utf8_checked ((MonoString *) str, &error);
4447                                         mono_error_cleanup (&error);
4448                                         if (!strcmp (utf8_str, "!INTERPRETER")) {
4449                                                 g_print ("skip %s...\n", method->name);
4450                                                 filter = FALSE;
4451                                         }
4452                                 }
4453                         }
4454                 }
4455                 if (strncmp (method->name, "test_", 5) == 0 && filter) {
4456                         MonoError interp_error;
4457                         MonoObject *exc = NULL;
4458
4459                         result_obj = mono_interp_runtime_invoke (method, NULL, NULL, &exc, &interp_error);
4460                         if (!mono_error_ok (&interp_error)) {
4461                                 cfailed++;
4462                                 g_print ("Test '%s' execution failed.\n", method->name);
4463                         } else if (exc != NULL) {
4464                                 g_print ("Exception in Test '%s' occured:\n", method->name);
4465                                 mono_object_describe (exc);
4466                                 run++;
4467                                 failed++;
4468                         } else {
4469                                 result = *(gint32 *) mono_object_unbox (result_obj);
4470                                 expected = atoi (method->name + 5);  // FIXME: oh no.
4471                                 run++;
4472
4473                                 if (result != expected) {
4474                                         failed++;
4475                                         g_print ("Test '%s' failed result (got %d, expected %d).\n", method->name, result, expected);
4476                                 }
4477                         }
4478                 }
4479         }
4480         g_timer_stop (timer);
4481         elapsed = g_timer_elapsed (timer, NULL);
4482         if (failed > 0 || cfailed > 0){
4483                 g_print ("Results: total tests: %d, failed: %d, cfailed: %d (pass: %.2f%%)\n",
4484                                 run, failed, cfailed, 100.0*(run-failed-cfailed)/run);
4485         } else {
4486                 g_print ("Results: total tests: %d, all pass \n",  run);
4487         }
4488
4489         g_print ("Elapsed time: %f secs (%f, %f)\n\n", elapsed,
4490                         elapsed - transform_time, transform_time);
4491         *total += failed + cfailed;
4492         *total_run += run;
4493 }
4494 static int
4495 interp_regression (MonoImage *image, int verbose, int *total_run)
4496 {
4497         MonoMethod *method;
4498         GTimer *timer = g_timer_new ();
4499         MonoDomain *domain = mono_domain_get ();
4500         guint32 i;
4501         int total;
4502
4503         /* load the metadata */
4504         for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_METHOD); ++i) {
4505                 MonoError error;
4506                 method = mono_get_method_checked (image, MONO_TOKEN_METHOD_DEF | (i + 1), NULL, NULL, &error);
4507                 if (!method) {
4508                         mono_error_cleanup (&error);
4509                         continue;
4510                 }
4511                 mono_class_init (method->klass);
4512         }
4513
4514         total = 0;
4515         *total_run = 0;
4516         interp_regression_step (image, verbose, total_run, &total, timer, domain);
4517
4518         g_timer_destroy (timer);
4519         return total;
4520 }
4521
4522 int
4523 mono_interp_regression_list (int verbose, int count, char *images [])
4524 {
4525         int i, total, total_run, run;
4526
4527         total_run = total = 0;
4528         for (i = 0; i < count; ++i) {
4529                 MonoAssembly *ass = mono_assembly_open (images [i], NULL);
4530                 if (!ass) {
4531                         g_warning ("failed to load assembly: %s", images [i]);
4532                         continue;
4533                 }
4534                 total += interp_regression (mono_assembly_get_image (ass), verbose, &run);
4535                 total_run += run;
4536         }
4537         if (total > 0) {
4538                 g_print ("Overall results: tests: %d, failed: %d (pass: %.2f%%)\n", total_run, total, 100.0*(total_run-total)/total_run);
4539         } else {
4540                 g_print ("Overall results: tests: %d, 100%% pass\n", total_run);
4541         }
4542
4543         return total;
4544 }
4545