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-internals.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
 329         if (virtual_method->iflags & METHOD_IMPL_ATTRIBUTE_SYNCHRONIZED) {
 330                 virtual_method = mono_marshal_get_synchronized_wrapper (virtual_method);
 331         }
 332
 333         RuntimeMethod *virtual_runtime_method = mono_interp_get_runtime_method (domain, virtual_method, &error);
 334         mono_error_cleanup (&error); /* FIXME: don't swallow the error */
 335         return virtual_runtime_method;
 336 }
 337
 338 static void inline
 339 stackval_from_data (MonoType *type, stackval *result, char *data, gboolean pinvoke)
 340 {
 341         if (type->byref) {
 342                 switch (type->type) {
 343                 case MONO_TYPE_OBJECT:
 344                 case MONO_TYPE_CLASS:
 345                 case MONO_TYPE_STRING:
 346                 case MONO_TYPE_ARRAY:
 347                 case MONO_TYPE_SZARRAY:
 348                         break;
 349                 default:
 350                         break;
 351                 }
 352                 result->data.p = *(gpointer*)data;
 353                 return;
 354         }
 355         switch (type->type) {
 356         case MONO_TYPE_VOID:
 357                 return;
 358         case MONO_TYPE_I1:
 359                 result->data.i = *(gint8*)data;
 360                 return;
 361         case MONO_TYPE_U1:
 362         case MONO_TYPE_BOOLEAN:
 363                 result->data.i = *(guint8*)data;
 364                 return;
 365         case MONO_TYPE_I2:
 366                 result->data.i = *(gint16*)data;
 367                 return;
 368         case MONO_TYPE_U2:
 369         case MONO_TYPE_CHAR:
 370                 result->data.i = *(guint16*)data;
 371                 return;
 372         case MONO_TYPE_I4:
 373                 result->data.i = *(gint32*)data;
 374                 return;
 375         case MONO_TYPE_U:
 376         case MONO_TYPE_I:
 377                 result->data.nati = *(mono_i*)data;
 378                 return;
 379         case MONO_TYPE_PTR:
 380                 result->data.p = *(gpointer*)data;
 381                 return;
 382         case MONO_TYPE_U4:
 383                 result->data.i = *(guint32*)data;
 384                 return;
 385         case MONO_TYPE_R4:
 386                 result->data.f = *(float*)data;
 387                 return;
 388         case MONO_TYPE_I8:
 389         case MONO_TYPE_U8:
 390                 result->data.l = *(gint64*)data;
 391                 return;
 392         case MONO_TYPE_R8:
 393                 result->data.f = *(double*)data;
 394                 return;
 395         case MONO_TYPE_STRING:
 396         case MONO_TYPE_SZARRAY:
 397         case MONO_TYPE_CLASS:
 398         case MONO_TYPE_OBJECT:
 399         case MONO_TYPE_ARRAY:
 400                 result->data.p = *(gpointer*)data;
 401                 return;
 402         case MONO_TYPE_VALUETYPE:
 403                 if (type->data.klass->enumtype) {
 404                         stackval_from_data (mono_class_enum_basetype (type->data.klass), result, data, pinvoke);
 405                         return;
 406                 } else
 407                         mono_value_copy (result->data.vt, data, type->data.klass);
 408                 return;
 409         case MONO_TYPE_GENERICINST:
 410                 stackval_from_data (&type->data.generic_class->container_class->byval_arg, result, data, pinvoke);
 411                 return;
 412         default:
 413                 g_warning ("got type 0x%02x", type->type);
 414                 g_assert_not_reached ();
 415         }
 416 }
 417
 418 static void inline
 419 stackval_to_data (MonoType *type, stackval *val, char *data, gboolean pinvoke)
 420 {
 421         if (type->byref) {
 422                 gpointer *p = (gpointer*)data;
 423                 *p = val->data.p;
 424                 return;
 425         }
 426         /* printf ("TODAT0 %p\n", data); */
 427         switch (type->type) {
 428         case MONO_TYPE_I1:
 429         case MONO_TYPE_U1: {
 430                 guint8 *p = (guint8*)data;
 431                 *p = val->data.i;
 432                 return;
 433         }
 434         case MONO_TYPE_BOOLEAN: {
 435                 guint8 *p = (guint8*)data;
 436                 *p = (val->data.i != 0);
 437                 return;
 438         }
 439         case MONO_TYPE_I2:
 440         case MONO_TYPE_U2:
 441         case MONO_TYPE_CHAR: {
 442                 guint16 *p = (guint16*)data;
 443                 *p = val->data.i;
 444                 return;
 445         }
 446         case MONO_TYPE_I: {
 447                 mono_i *p = (mono_i*)data;
 448                 /* In theory the value used by stloc should match the local var type
 449                    but in practice it sometimes doesn't (a int32 gets dup'd and stloc'd into
 450                    a native int - both by csc and mcs). Not sure what to do about sign extension
 451                    as it is outside the spec... doing the obvious */
 452                 *p = (mono_i)val->data.nati;
 453                 return;
 454         }
 455         case MONO_TYPE_U: {
 456                 mono_u *p = (mono_u*)data;
 457                 /* see above. */
 458                 *p = (mono_u)val->data.nati;
 459                 return;
 460         }
 461         case MONO_TYPE_I4:
 462         case MONO_TYPE_U4: {
 463                 gint32 *p = (gint32*)data;
 464                 *p = val->data.i;
 465                 return;
 466         }
 467         case MONO_TYPE_I8:
 468         case MONO_TYPE_U8: {
 469                 gint64 *p = (gint64*)data;
 470                 *p = val->data.l;
 471                 return;
 472         }
 473         case MONO_TYPE_R4: {
 474                 float *p = (float*)data;
 475                 *p = val->data.f;
 476                 return;
 477         }
 478         case MONO_TYPE_R8: {
 479                 double *p = (double*)data;
 480                 *p = val->data.f;
 481                 return;
 482         }
 483         case MONO_TYPE_STRING:
 484         case MONO_TYPE_SZARRAY:
 485         case MONO_TYPE_CLASS:
 486         case MONO_TYPE_OBJECT:
 487         case MONO_TYPE_ARRAY:
 488         case MONO_TYPE_PTR: {
 489                 gpointer *p = (gpointer*)data;
 490                 *p = val->data.p;
 491                 return;
 492         }
 493         case MONO_TYPE_VALUETYPE:
 494                 if (type->data.klass->enumtype) {
 495                         stackval_to_data (mono_class_enum_basetype (type->data.klass), val, data, pinvoke);
 496                         return;
 497                 } else
 498                         mono_value_copy (data, val->data.vt, type->data.klass);
 499                 return;
 500         case MONO_TYPE_GENERICINST:
 501                 stackval_to_data (&type->data.generic_class->container_class->byval_arg, val, data, pinvoke);
 502                 return;
 503         default:
 504                 g_warning ("got type %x", type->type);
 505                 g_assert_not_reached ();
 506         }
 507 }
 508
 509 static void
 510 fill_in_trace (MonoException *exception, MonoInvocation *frame)
 511 {
 512         char *stack_trace = dump_frame (frame);
 513         MonoDomain *domain = mono_domain_get();
 514         (exception)->stack_trace = mono_string_new (domain, stack_trace);
 515         (exception)->trace_ips = get_trace_ips (domain, frame);
 516         g_free (stack_trace);
 517 }
 518
 519 #define FILL_IN_TRACE(exception, frame) fill_in_trace(exception, frame)
 520
 521 #define THROW_EX(exception,ex_ip)       \
 522         do {\
 523                 frame->ip = (ex_ip);            \
 524                 frame->ex = (MonoException*)(exception);        \
 525                 FILL_IN_TRACE(frame->ex, frame); \
 526                 goto handle_exception;  \
 527         } while (0)
 528
 529 static MonoObject*
 530 ves_array_create (MonoInvocation *frame, MonoDomain *domain, MonoClass *klass, MonoMethodSignature *sig, stackval *values)
 531 {
 532         uintptr_t *lengths;
 533         intptr_t *lower_bounds;
 534         MonoObject *obj;
 535         MonoError error;
 536         int i;
 537
 538         lengths = alloca (sizeof (uintptr_t) * klass->rank * 2);
 539         for (i = 0; i < sig->param_count; ++i) {
 540                 lengths [i] = values->data.i;
 541                 values ++;
 542         }
 543         if (klass->rank == sig->param_count) {
 544                 /* Only lengths provided. */
 545                 lower_bounds = NULL;
 546         } else {
 547                 /* lower bounds are first. */
 548                 lower_bounds = (intptr_t *) lengths;
 549                 lengths += klass->rank;
 550         }
 551         obj = (MonoObject*) mono_array_new_full_checked (domain, klass, lengths, lower_bounds, &error);
 552         if (!mono_error_ok (&error)) {
 553                 frame->ex = mono_error_convert_to_exception (&error);
 554                 FILL_IN_TRACE (frame->ex, frame);
 555         }
 556         mono_error_cleanup (&error); /* FIXME: don't swallow the error */
 557         return obj;
 558 }
 559
 560 static gint32
 561 ves_array_calculate_index (MonoArray *ao, stackval *sp, MonoInvocation *frame)
 562 {
 563         g_assert (!frame->ex);
 564         MonoClass *ac = ((MonoObject *) ao)->vtable->klass;
 565
 566         guint32 pos = 0;
 567         if (ao->bounds) {
 568                 for (gint32 i = 0; i < ac->rank; i++) {
 569                         guint32 idx = sp [i].data.i;
 570                         guint32 lower = ao->bounds [i].lower_bound;
 571                         guint32 len = ao->bounds [i].length;
 572                         if (idx < lower || (idx - lower) >= len) {
 573                                 frame->ex = mono_get_exception_index_out_of_range ();
 574                                 FILL_IN_TRACE (frame->ex, frame);
 575                                 return -1;
 576                         }
 577                         pos = (pos * len) + idx - lower;
 578                 }
 579         } else {
 580                 pos = sp [0].data.i;
 581                 if (pos >= ao->max_length) {
 582                         frame->ex = mono_get_exception_index_out_of_range ();
 583                         FILL_IN_TRACE (frame->ex, frame);
 584                         return -1;
 585                 }
 586         }
 587         return pos;
 588 }
 589
 590 static void
 591 ves_array_set (MonoInvocation *frame)
 592 {
 593         stackval *sp = frame->stack_args + 1;
 594
 595         MonoObject *o = frame->stack_args->data.p;
 596         MonoArray *ao = (MonoArray *) o;
 597         MonoClass *ac = o->vtable->klass;
 598
 599         g_assert (ac->rank >= 1);
 600
 601         gint32 pos = ves_array_calculate_index (ao, sp, frame);
 602         if (frame->ex)
 603                 return;
 604
 605         if (sp [ac->rank].data.p && !mono_object_class (o)->element_class->valuetype) {
 606                 MonoError error;
 607                 MonoObject *isinst = mono_object_isinst_checked (sp [ac->rank].data.p, mono_object_class (o)->element_class, &error);
 608                 mono_error_cleanup (&error);
 609                 if (!isinst) {
 610                         frame->ex = mono_get_exception_array_type_mismatch ();
 611                         FILL_IN_TRACE (frame->ex, frame);
 612                         return;
 613                 }
 614         }
 615
 616         gint32 esize = mono_array_element_size (ac);
 617         gpointer ea = mono_array_addr_with_size (ao, esize, pos);
 618
 619         MonoType *mt = mono_method_signature (frame->runtime_method->method)->params [ac->rank];
 620         stackval_to_data (mt, &sp [ac->rank], ea, FALSE);
 621 }
 622
 623 static void
 624 ves_array_get (MonoInvocation *frame)
 625 {
 626         stackval *sp = frame->stack_args + 1;
 627
 628         MonoObject *o = frame->stack_args->data.p;
 629         MonoArray *ao = (MonoArray *) o;
 630         MonoClass *ac = o->vtable->klass;
 631
 632         g_assert (ac->rank >= 1);
 633
 634         gint32 pos = ves_array_calculate_index (ao, sp, frame);
 635         if (frame->ex)
 636                 return;
 637
 638         gint32 esize = mono_array_element_size (ac);
 639         gpointer ea = mono_array_addr_with_size (ao, esize, pos);
 640
 641         MonoType *mt = mono_method_signature (frame->runtime_method->method)->ret;
 642         stackval_from_data (mt, frame->retval, ea, FALSE);
 643 }
 644
 645 static gpointer
 646 ves_array_element_address (MonoInvocation *frame, MonoClass *required_type, MonoArray *ao, stackval *sp, gboolean needs_typecheck)
 647 {
 648         MonoClass *ac = ((MonoObject *) ao)->vtable->klass;
 649
 650         g_assert (ac->rank >= 1);
 651
 652         gint32 pos = ves_array_calculate_index (ao, sp, frame);
 653         if (frame->ex)
 654                 return NULL;
 655
 656         if (needs_typecheck && !mono_class_is_assignable_from (mono_object_class ((MonoObject *) ao)->element_class, required_type->element_class)) {
 657                 frame->ex = mono_get_exception_array_type_mismatch ();
 658                 FILL_IN_TRACE (frame->ex, frame);
 659                 return NULL;
 660         }
 661         gint32 esize = mono_array_element_size (ac);
 662         return mono_array_addr_with_size (ao, esize, pos);
 663 }
 664
 665 void
 666 interp_walk_stack_with_ctx (MonoInternalStackWalk func, MonoContext *ctx, MonoUnwindOptions options, void *user_data)
 667 {
 668         MonoError error;
 669         ThreadContext *context = mono_native_tls_get_value (thread_context_id);
 670
 671         MonoInvocation *frame = context->current_frame;
 672
 673         while (frame) {
 674                 MonoStackFrameInfo fi;
 675                 memset (&fi, 0, sizeof (MonoStackFrameInfo));
 676
 677                 /* TODO: hack to make some asserts happy. */
 678                 fi.ji = (MonoJitInfo *) frame->runtime_method;
 679
 680                 if (frame->runtime_method)
 681                         fi.method = fi.actual_method = frame->runtime_method->method;
 682
 683                 if (!fi.method || (fi.method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) || (fi.method->iflags & (METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL | METHOD_IMPL_ATTRIBUTE_RUNTIME))) {
 684                         fi.il_offset = -1;
 685                         fi.type = FRAME_TYPE_MANAGED_TO_NATIVE;
 686                 } else {
 687                         MonoMethodHeader *hd = mono_method_get_header_checked (fi.method, &error);
 688                         mono_error_cleanup (&error); /* FIXME: don't swallow the error */
 689                         fi.type = FRAME_TYPE_MANAGED;
 690                         fi.il_offset = frame->ip - (const unsigned short *) hd->code;
 691                         if (!fi.method->wrapper_type)
 692                                 fi.managed = TRUE;
 693                 }
 694
 695                 if (func (&fi, ctx, user_data))
 696                         return;
 697                 frame = frame->parent;
 698         }
 699 }
 700
 701 static MonoPIFunc mono_interp_enter_icall_trampoline = NULL;
 702
 703 struct _MethodArguments {
 704         size_t ilen;
 705         gpointer *iargs;
 706         size_t flen;
 707         double *fargs;
 708         gpointer *retval;
 709         size_t is_float_ret;
 710 };
 711
 712 typedef struct _MethodArguments MethodArguments;
 713
 714 // TODO: this function is also arch dependent (register width).
 715 static MethodArguments* build_args_from_sig (MonoMethodSignature *sig, MonoInvocation *frame)
 716 {
 717         // TODO: don't malloc this data structure.
 718         MethodArguments *margs = g_malloc0 (sizeof (MethodArguments));
 719
 720         if (sig->hasthis)
 721                 margs->ilen++;
 722
 723         for (int i = 0; i < sig->param_count; i++) {
 724                 guint32 ptype = sig->params [i]->byref ? MONO_TYPE_PTR : sig->params [i]->type;
 725                 switch (ptype) {
 726                 case MONO_TYPE_BOOLEAN:
 727                 case MONO_TYPE_CHAR:
 728                 case MONO_TYPE_I1:
 729                 case MONO_TYPE_U1:
 730                 case MONO_TYPE_I2:
 731                 case MONO_TYPE_U2:
 732                 case MONO_TYPE_I4:
 733                 case MONO_TYPE_U4:
 734                 case MONO_TYPE_I:
 735                 case MONO_TYPE_U:
 736                 case MONO_TYPE_PTR:
 737                 case MONO_TYPE_SZARRAY:
 738                 case MONO_TYPE_CLASS:
 739                 case MONO_TYPE_OBJECT:
 740                 case MONO_TYPE_STRING:
 741                 case MONO_TYPE_I8:
 742                 case MONO_TYPE_VALUETYPE:
 743                 case MONO_TYPE_GENERICINST:
 744                         margs->ilen++;
 745                         break;
 746                 case MONO_TYPE_R4:
 747                 case MONO_TYPE_R8:
 748                         margs->flen++;
 749                         break;
 750                 default:
 751                         g_error ("build_args_from_sig: not implemented yet (1): 0x%x\n", ptype);
 752                 }
 753         }
 754
 755         if (margs->ilen > 0)
 756                 margs->iargs = g_malloc0 (sizeof (gpointer) * margs->ilen);
 757
 758         if (margs->flen > 0)
 759                 margs->fargs = g_malloc0 (sizeof (double) * margs->flen);
 760
 761         if (margs->ilen > 8)
 762                 g_error ("build_args_from_sig: TODO, allocate gregs: %d\n", margs->ilen);
 763
 764         if (margs->flen > 3)
 765                 g_error ("build_args_from_sig: TODO, allocate fregs: %d\n", margs->flen);
 766
 767
 768         size_t int_i = 0;
 769         size_t int_f = 0;
 770
 771         if (sig->hasthis) {
 772                 margs->iargs [0] = frame->stack_args->data.p;
 773                 int_i++;
 774         }
 775
 776         for (int i = 0; i < sig->param_count; i++) {
 777                 guint32 ptype = sig->params [i]->byref ? MONO_TYPE_PTR : sig->params [i]->type;
 778                 switch (ptype) {
 779                 case MONO_TYPE_BOOLEAN:
 780                 case MONO_TYPE_CHAR:
 781                 case MONO_TYPE_I1:
 782                 case MONO_TYPE_U1:
 783                 case MONO_TYPE_I2:
 784                 case MONO_TYPE_U2:
 785                 case MONO_TYPE_I4:
 786                 case MONO_TYPE_U4:
 787                 case MONO_TYPE_I:
 788                 case MONO_TYPE_U:
 789                 case MONO_TYPE_PTR:
 790                 case MONO_TYPE_SZARRAY:
 791                 case MONO_TYPE_CLASS:
 792                 case MONO_TYPE_OBJECT:
 793                 case MONO_TYPE_STRING:
 794                 case MONO_TYPE_I8:
 795                 case MONO_TYPE_VALUETYPE:
 796                 case MONO_TYPE_GENERICINST:
 797                         margs->iargs [int_i] = frame->stack_args [i].data.p;
 798 #if DEBUG_INTERP
 799                         g_print ("build_args_from_sig: margs->iargs [%d]: %p (frame @ %d)\n", int_i, margs->iargs [int_i], i);
 800 #endif
 801                         int_i++;
 802                         break;
 803                 case MONO_TYPE_R4:
 804                 case MONO_TYPE_R8:
 805                         if (ptype == MONO_TYPE_R4)
 806                                 * (float *) &(margs->fargs [int_f]) = (float) frame->stack_args [i].data.f;
 807                         else
 808                                 margs->fargs [int_f] = frame->stack_args [i].data.f;
 809 #if DEBUG_INTERP
 810                         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);
 811 #endif
 812                         int_f++;
 813                         break;
 814                 default:
 815                         g_error ("build_args_from_sig: not implemented yet (2): 0x%x\n", ptype);
 816                 }
 817         }
 818
 819         switch (sig->ret->type) {
 820                 case MONO_TYPE_BOOLEAN:
 821                 case MONO_TYPE_CHAR:
 822                 case MONO_TYPE_I1:
 823                 case MONO_TYPE_U1:
 824                 case MONO_TYPE_I2:
 825                 case MONO_TYPE_U2:
 826                 case MONO_TYPE_I4:
 827                 case MONO_TYPE_U4:
 828                 case MONO_TYPE_I:
 829                 case MONO_TYPE_U:
 830                 case MONO_TYPE_PTR:
 831                 case MONO_TYPE_SZARRAY:
 832                 case MONO_TYPE_CLASS:
 833                 case MONO_TYPE_OBJECT:
 834                 case MONO_TYPE_STRING:
 835                 case MONO_TYPE_I8:
 836                 case MONO_TYPE_VALUETYPE:
 837                 case MONO_TYPE_GENERICINST:
 838                         margs->retval = &(frame->retval->data.p);
 839                         break;
 840                 case MONO_TYPE_R4:
 841                 case MONO_TYPE_R8:
 842                         margs->retval = &(frame->retval->data.p);
 843                         margs->is_float_ret = 1;
 844                         break;
 845                 case MONO_TYPE_VOID:
 846                         margs->retval = NULL;
 847                         break;
 848                 default:
 849                         g_error ("build_args_from_sig: ret type not implemented yet: 0x%x\n", sig->ret->type);
 850         }
 851
 852         return margs;
 853 }
 854
 855 static void
 856 ves_pinvoke_method (MonoInvocation *frame, MonoMethodSignature *sig, MonoFuncV addr, gboolean string_ctor, ThreadContext *context)
 857 {
 858         jmp_buf env;
 859         MonoInvocation *old_frame = context->current_frame;
 860         MonoInvocation *old_env_frame = context->env_frame;
 861         jmp_buf *old_env = context->current_env;
 862
 863         if (setjmp (env)) {
 864                 context->current_frame = old_frame;
 865                 context->env_frame = old_env_frame;
 866                 context->current_env = old_env;
 867                 context->managed_code = 1;
 868                 return;
 869         }
 870
 871         frame->ex = NULL;
 872         context->env_frame = frame;
 873         context->current_env = &env;
 874
 875         g_assert (!frame->runtime_method);
 876         if (!mono_interp_enter_icall_trampoline) {
 877                 MonoTrampInfo *info;
 878                 mono_interp_enter_icall_trampoline = mono_arch_get_enter_icall_trampoline (&info);
 879                 // TODO:
 880                 // mono_tramp_info_register (info, NULL);
 881         }
 882
 883         MethodArguments *margs = build_args_from_sig (sig, frame);
 884 #if DEBUG_INTERP
 885         g_print ("ICALL: mono_interp_enter_icall_trampoline = %p, addr = %p\n", mono_interp_enter_icall_trampoline, addr);
 886         g_print ("margs(out): ilen=%d, flen=%d\n", margs->ilen, margs->flen);
 887 #endif
 888
 889         context->current_frame = frame;
 890         context->managed_code = 0;
 891
 892         mono_interp_enter_icall_trampoline (addr, margs);
 893
 894         context->managed_code = 1;
 895         /* domain can only be changed by native code */
 896         context->domain = mono_domain_get ();
 897
 898         if (*mono_thread_interruption_request_flag ()) {
 899                 MonoException *exc = mono_thread_interruption_checkpoint ();
 900                 if (exc) {
 901                         frame->ex = exc;
 902                         context->search_for_handler = 1;
 903                 }
 904         }
 905
 906         if (!frame->ex && !MONO_TYPE_ISSTRUCT (sig->ret))
 907                 stackval_from_data (sig->ret, frame->retval, (char*)&frame->retval->data.p, sig->pinvoke);
 908
 909         context->current_frame = old_frame;
 910         context->env_frame = old_env_frame;
 911         context->current_env = old_env;
 912
 913         g_free (margs->iargs);
 914         g_free (margs->fargs);
 915         g_free (margs);
 916 }
 917
 918 void
 919 mono_interp_init_delegate (MonoDelegate *del)
 920 {
 921         if (!del->method)
 922                 del->method = ((RuntimeMethod *) del->method_ptr)->method;
 923 }
 924
 925 /*
 926  * From the spec:
 927  * runtime specifies that the implementation of the method is automatically
 928  * provided by the runtime and is primarily used for the methods of delegates.
 929  */
 930 static void
 931 ves_runtime_method (MonoInvocation *frame, ThreadContext *context)
 932 {
 933         MonoMethod *method = frame->runtime_method->method;
 934         const char *name = method->name;
 935         MonoObject *obj = (MonoObject*) frame->stack_args->data.p;
 936         MonoObject *isinst_obj;
 937         MonoError error;
 938
 939         mono_class_init (method->klass);
 940
 941         if (method->klass == mono_defaults.array_class) {
 942                 if (!strcmp (method->name, "UnsafeMov")) {
 943                         /* TODO: layout checks */
 944                         MonoType *mt = mono_method_signature (method)->ret;
 945                         stackval_from_data (mt, frame->retval, (char *) frame->stack_args, FALSE);
 946                         return;
 947                 }
 948         }
 949
 950         isinst_obj = mono_object_isinst_checked (obj, mono_defaults.array_class, &error);
 951         mono_error_cleanup (&error); /* FIXME: don't swallow the error */
 952         if (obj && isinst_obj) {
 953                 if (*name == 'S' && (strcmp (name, "Set") == 0)) {
 954                         ves_array_set (frame);
 955                         return;
 956                 }
 957                 if (*name == 'G' && (strcmp (name, "Get") == 0)) {
 958                         ves_array_get (frame);
 959                         return;
 960                 }
 961         }
 962
 963         g_error ("Don't know how to exec runtime method %s.%s::%s",
 964                         method->klass->name_space, method->klass->name,
 965                         method->name);
 966 }
 967
 968 static char*
 969 dump_stack (stackval *stack, stackval *sp)
 970 {
 971         stackval *s = stack;
 972         GString *str = g_string_new ("");
 973
 974         if (sp == stack)
 975                 return g_string_free (str, FALSE);
 976
 977         while (s < sp) {
 978                 g_string_append_printf (str, "[%p (%lld)] ", s->data.l, s->data.l);
 979                 ++s;
 980         }
 981         return g_string_free (str, FALSE);
 982 }
 983
 984 static void
 985 dump_stackval (GString *str, stackval *s, MonoType *type)
 986 {
 987         switch (type->type) {
 988         case MONO_TYPE_I1:
 989         case MONO_TYPE_U1:
 990         case MONO_TYPE_I2:
 991         case MONO_TYPE_U2:
 992         case MONO_TYPE_I4:
 993         case MONO_TYPE_U4:
 994         case MONO_TYPE_CHAR:
 995         case MONO_TYPE_BOOLEAN:
 996                 g_string_append_printf (str, "[%d] ", s->data.i);
 997                 break;
 998         case MONO_TYPE_STRING:
 999         case MONO_TYPE_SZARRAY:
1000         case MONO_TYPE_CLASS:
1001         case MONO_TYPE_OBJECT:
1002         case MONO_TYPE_ARRAY:
1003         case MONO_TYPE_PTR:
1004         case MONO_TYPE_I:
1005         case MONO_TYPE_U:
1006                 g_string_append_printf (str, "[%p] ", s->data.p);
1007                 break;
1008         case MONO_TYPE_VALUETYPE:
1009                 if (type->data.klass->enumtype)
1010                         g_string_append_printf (str, "[%d] ", s->data.i);
1011                 else
1012                         g_string_append_printf (str, "[vt:%p] ", s->data.p);
1013                 break;
1014         case MONO_TYPE_R4:
1015         case MONO_TYPE_R8:
1016                 g_string_append_printf (str, "[%g] ", s->data.f);
1017                 break;
1018         case MONO_TYPE_I8:
1019         case MONO_TYPE_U8:
1020         default: {
1021                 GString *res = g_string_new ("");
1022                 mono_type_get_desc (res, type, TRUE);
1023                 g_string_append_printf (str, "[{%s} %lld/0x%0llx] ", res->str, s->data.l, s->data.l);
1024                 g_string_free (res, TRUE);
1025                 break;
1026         }
1027         }
1028 }
1029
1030 static char*
1031 dump_args (MonoInvocation *inv)
1032 {
1033         GString *str = g_string_new ("");
1034         int i;
1035         MonoMethodSignature *signature = mono_method_signature (inv->runtime_method->method);
1036
1037         if (signature->param_count == 0 && !signature->hasthis)
1038                 return g_string_free (str, FALSE);
1039
1040         if (signature->hasthis) {
1041                 MonoMethod *method = inv->runtime_method->method;
1042                 dump_stackval (str, inv->stack_args, &method->klass->byval_arg);
1043         }
1044
1045         for (i = 0; i < signature->param_count; ++i)
1046                 dump_stackval (str, inv->stack_args + (!!signature->hasthis) + i, signature->params [i]);
1047
1048         return g_string_free (str, FALSE);
1049 }
1050
1051 static char*
1052 dump_retval (MonoInvocation *inv)
1053 {
1054         GString *str = g_string_new ("");
1055         MonoType *ret = mono_method_signature (inv->runtime_method->method)->ret;
1056
1057         if (ret->type != MONO_TYPE_VOID)
1058                 dump_stackval (str, inv->retval, ret);
1059
1060         return g_string_free (str, FALSE);
1061 }
1062
1063 static char*
1064 dump_frame (MonoInvocation *inv)
1065 {
1066         GString *str = g_string_new ("");
1067         int i;
1068         char *args;
1069         MonoError error;
1070
1071         for (i = 0; inv; inv = inv->parent) {
1072                 if (inv->runtime_method != NULL) {
1073                         MonoMethod *method = inv->runtime_method->method;
1074                         MonoClass *k;
1075
1076                         int codep = 0;
1077                         const char * opname = "";
1078                         char *name;
1079                         gchar *source = NULL;
1080
1081                         k = method->klass;
1082
1083                         if ((method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) == 0 &&
1084                                 (method->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME) == 0) {
1085                                 MonoMethodHeader *hd = mono_method_get_header_checked (method, &error);
1086                                 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
1087
1088                                 if (hd != NULL) {
1089                                         if (inv->ip) {
1090                                                 opname = mono_interp_opname [*inv->ip];
1091                                                 codep = inv->ip - inv->runtime_method->code;
1092                                                 source = g_strdup_printf ("%s:%d // (TODO: proper stacktrace)", method->name, codep);
1093                                         } else
1094                                                 opname = "";
1095
1096 #if 0
1097                                         MonoDebugSourceLocation *minfo = mono_debug_lookup_method (method);
1098                                         source = mono_debug_method_lookup_location (minfo, codep);
1099 #endif
1100                                 }
1101                         }
1102                         args = dump_args (inv);
1103                         name = mono_method_full_name (method, TRUE);
1104                         if (source)
1105                                 g_string_append_printf (str, "#%d: 0x%05x %-10s in %s (%s) at %s\n", i, codep, opname, name, args, source);
1106                         else
1107                                 g_string_append_printf (str, "#%d: 0x%05x %-10s in %s (%s)\n", i, codep, opname, name, args);
1108                         g_free (name);
1109                         g_free (args);
1110                         g_free (source);
1111                         ++i;
1112                 }
1113         }
1114         return g_string_free (str, FALSE);
1115 }
1116
1117 static MonoArray *
1118 get_trace_ips (MonoDomain *domain, MonoInvocation *top)
1119 {
1120         int i;
1121         MonoArray *res;
1122         MonoInvocation *inv;
1123         MonoError error;
1124
1125         for (i = 0, inv = top; inv; inv = inv->parent)
1126                 if (inv->runtime_method != NULL)
1127                         ++i;
1128
1129         res = mono_array_new_checked (domain, mono_defaults.int_class, 2 * i, &error);
1130         mono_error_cleanup (&error); /* FIXME: don't swallow the error */
1131
1132         for (i = 0, inv = top; inv; inv = inv->parent)
1133                 if (inv->runtime_method != NULL) {
1134                         mono_array_set (res, gpointer, i, inv->runtime_method);
1135                         ++i;
1136                         mono_array_set (res, gpointer, i, (gpointer)inv->ip);
1137                         ++i;
1138                 }
1139
1140         return res;
1141 }
1142
1143
1144 #define MYGUINT64_MAX 18446744073709551615ULL
1145 #define MYGINT64_MAX 9223372036854775807LL
1146 #define MYGINT64_MIN (-MYGINT64_MAX -1LL)
1147
1148 #define MYGUINT32_MAX 4294967295U
1149 #define MYGINT32_MAX 2147483647
1150 #define MYGINT32_MIN (-MYGINT32_MAX -1)
1151
1152 #define CHECK_ADD_OVERFLOW(a,b) \
1153         (gint32)(b) >= 0 ? (gint32)(MYGINT32_MAX) - (gint32)(b) < (gint32)(a) ? -1 : 0  \
1154         : (gint32)(MYGINT32_MIN) - (gint32)(b) > (gint32)(a) ? +1 : 0
1155
1156 #define CHECK_SUB_OVERFLOW(a,b) \
1157         (gint32)(b) < 0 ? (gint32)(MYGINT32_MAX) + (gint32)(b) < (gint32)(a) ? -1 : 0   \
1158         : (gint32)(MYGINT32_MIN) + (gint32)(b) > (gint32)(a) ? +1 : 0
1159
1160 #define CHECK_ADD_OVERFLOW_UN(a,b) \
1161         (guint32)(MYGUINT32_MAX) - (guint32)(b) < (guint32)(a) ? -1 : 0
1162
1163 #define CHECK_SUB_OVERFLOW_UN(a,b) \
1164         (guint32)(a) < (guint32)(b) ? -1 : 0
1165
1166 #define CHECK_ADD_OVERFLOW64(a,b) \
1167         (gint64)(b) >= 0 ? (gint64)(MYGINT64_MAX) - (gint64)(b) < (gint64)(a) ? -1 : 0  \
1168         : (gint64)(MYGINT64_MIN) - (gint64)(b) > (gint64)(a) ? +1 : 0
1169
1170 #define CHECK_SUB_OVERFLOW64(a,b) \
1171         (gint64)(b) < 0 ? (gint64)(MYGINT64_MAX) + (gint64)(b) < (gint64)(a) ? -1 : 0   \
1172         : (gint64)(MYGINT64_MIN) + (gint64)(b) > (gint64)(a) ? +1 : 0
1173
1174 #define CHECK_ADD_OVERFLOW64_UN(a,b) \
1175         (guint64)(MYGUINT64_MAX) - (guint64)(b) < (guint64)(a) ? -1 : 0
1176
1177 #define CHECK_SUB_OVERFLOW64_UN(a,b) \
1178         (guint64)(a) < (guint64)(b) ? -1 : 0
1179
1180 #if SIZEOF_VOID_P == 4
1181 #define CHECK_ADD_OVERFLOW_NAT(a,b) CHECK_ADD_OVERFLOW(a,b)
1182 #define CHECK_ADD_OVERFLOW_NAT_UN(a,b) CHECK_ADD_OVERFLOW_UN(a,b)
1183 #else
1184 #define CHECK_ADD_OVERFLOW_NAT(a,b) CHECK_ADD_OVERFLOW64(a,b)
1185 #define CHECK_ADD_OVERFLOW_NAT_UN(a,b) CHECK_ADD_OVERFLOW64_UN(a,b)
1186 #endif
1187
1188 /* Resolves to TRUE if the operands would overflow */
1189 #define CHECK_MUL_OVERFLOW(a,b) \
1190         ((gint32)(a) == 0) || ((gint32)(b) == 0) ? 0 : \
1191         (((gint32)(a) > 0) && ((gint32)(b) == -1)) ? FALSE : \
1192         (((gint32)(a) < 0) && ((gint32)(b) == -1)) ? (a == - MYGINT32_MAX) : \
1193         (((gint32)(a) > 0) && ((gint32)(b) > 0)) ? (gint32)(a) > ((MYGINT32_MAX) / (gint32)(b)) : \
1194         (((gint32)(a) > 0) && ((gint32)(b) < 0)) ? (gint32)(a) > ((MYGINT32_MIN) / (gint32)(b)) : \
1195         (((gint32)(a) < 0) && ((gint32)(b) > 0)) ? (gint32)(a) < ((MYGINT32_MIN) / (gint32)(b)) : \
1196         (gint32)(a) < ((MYGINT32_MAX) / (gint32)(b))
1197
1198 #define CHECK_MUL_OVERFLOW_UN(a,b) \
1199         ((guint32)(a) == 0) || ((guint32)(b) == 0) ? 0 : \
1200         (guint32)(b) > ((MYGUINT32_MAX) / (guint32)(a))
1201
1202 #define CHECK_MUL_OVERFLOW64(a,b) \
1203         ((gint64)(a) == 0) || ((gint64)(b) == 0) ? 0 : \
1204         (((gint64)(a) > 0) && ((gint64)(b) == -1)) ? FALSE : \
1205         (((gint64)(a) < 0) && ((gint64)(b) == -1)) ? (a == - MYGINT64_MAX) : \
1206         (((gint64)(a) > 0) && ((gint64)(b) > 0)) ? (gint64)(a) > ((MYGINT64_MAX) / (gint64)(b)) : \
1207         (((gint64)(a) > 0) && ((gint64)(b) < 0)) ? (gint64)(a) > ((MYGINT64_MIN) / (gint64)(b)) : \
1208         (((gint64)(a) < 0) && ((gint64)(b) > 0)) ? (gint64)(a) < ((MYGINT64_MIN) / (gint64)(b)) : \
1209         (gint64)(a) < ((MYGINT64_MAX) / (gint64)(b))
1210
1211 #define CHECK_MUL_OVERFLOW64_UN(a,b) \
1212         ((guint64)(a) == 0) || ((guint64)(b) == 0) ? 0 : \
1213         (guint64)(b) > ((MYGUINT64_MAX) / (guint64)(a))
1214
1215 #if SIZEOF_VOID_P == 4
1216 #define CHECK_MUL_OVERFLOW_NAT(a,b) CHECK_MUL_OVERFLOW(a,b)
1217 #define CHECK_MUL_OVERFLOW_NAT_UN(a,b) CHECK_MUL_OVERFLOW_UN(a,b)
1218 #else
1219 #define CHECK_MUL_OVERFLOW_NAT(a,b) CHECK_MUL_OVERFLOW64(a,b)
1220 #define CHECK_MUL_OVERFLOW_NAT_UN(a,b) CHECK_MUL_OVERFLOW64_UN(a,b)
1221 #endif
1222
1223 MonoObject*
1224 mono_interp_runtime_invoke (MonoMethod *method, void *obj, void **params, MonoObject **exc, MonoError *error)
1225 {
1226         MonoInvocation frame;
1227         ThreadContext * volatile context = mono_native_tls_get_value (thread_context_id);
1228         MonoObject *retval = NULL;
1229         MonoMethodSignature *sig = mono_method_signature (method);
1230         MonoClass *klass = mono_class_from_mono_type (sig->ret);
1231         int i, type, isobject = 0;
1232         void *ret = NULL;
1233         stackval result;
1234         stackval *args = alloca (sizeof (stackval) * (sig->param_count + !!sig->hasthis));
1235         ThreadContext context_struct;
1236         MonoInvocation *old_frame = NULL;
1237         jmp_buf env;
1238
1239         error_init (error);
1240         if (exc)
1241                 *exc = NULL;
1242
1243         frame.ex = NULL;
1244
1245         if (setjmp(env)) {
1246                 if (context != &context_struct) {
1247                         context->domain = mono_domain_get ();
1248                         context->current_frame = old_frame;
1249                         context->managed_code = 0;
1250                 } else
1251                         mono_native_tls_set_value (thread_context_id, NULL);
1252                 if (exc != NULL)
1253                         *exc = (MonoObject *)frame.ex;
1254                 return retval;
1255         }
1256
1257         if (context == NULL) {
1258                 context = &context_struct;
1259                 context_struct.base_frame = &frame;
1260                 context_struct.current_frame = NULL;
1261                 context_struct.env_frame = &frame;
1262                 context_struct.current_env = &env;
1263                 context_struct.search_for_handler = 0;
1264                 context_struct.managed_code = 0;
1265                 mono_native_tls_set_value (thread_context_id, context);
1266         }
1267         else
1268                 old_frame = context->current_frame;
1269
1270         context->domain = mono_domain_get ();
1271
1272         switch (sig->ret->type) {
1273         case MONO_TYPE_VOID:
1274                 break;
1275         case MONO_TYPE_STRING:
1276         case MONO_TYPE_OBJECT:
1277         case MONO_TYPE_CLASS:
1278         case MONO_TYPE_ARRAY:
1279         case MONO_TYPE_SZARRAY:
1280                 isobject = 1;
1281                 break;
1282         case MONO_TYPE_VALUETYPE:
1283                 retval = mono_object_new_checked (context->domain, klass, error);
1284                 ret = mono_object_unbox (retval);
1285                 if (!sig->ret->data.klass->enumtype)
1286                         result.data.vt = ret;
1287                 break;
1288         case MONO_TYPE_PTR:
1289                 retval = mono_object_new_checked (context->domain, mono_defaults.int_class, error);
1290                 ret = mono_object_unbox (retval);
1291                 break;
1292         default:
1293                 retval = mono_object_new_checked (context->domain, klass, error);
1294                 ret = ((char*)retval) + sizeof (MonoObject);
1295                 break;
1296         }
1297
1298         if (sig->hasthis)
1299                 args [0].data.p = obj;
1300
1301         for (i = 0; i < sig->param_count; ++i) {
1302                 int a_index = i + !!sig->hasthis;
1303                 if (sig->params [i]->byref) {
1304                         args [a_index].data.p = params [i];
1305                         continue;
1306                 }
1307                 type = sig->params [i]->type;
1308 handle_enum:
1309                 switch (type) {
1310                 case MONO_TYPE_U1:
1311                 case MONO_TYPE_I1:
1312                 case MONO_TYPE_BOOLEAN:
1313                         args [a_index].data.i = *(MonoBoolean*)params [i];
1314                         break;
1315                 case MONO_TYPE_U2:
1316                 case MONO_TYPE_I2:
1317                 case MONO_TYPE_CHAR:
1318                         args [a_index].data.i = *(gint16*)params [i];
1319                         break;
1320 #if SIZEOF_VOID_P == 4
1321                 case MONO_TYPE_U: /* use VAL_POINTER? */
1322                 case MONO_TYPE_I:
1323 #endif
1324                 case MONO_TYPE_U4:
1325                 case MONO_TYPE_I4:
1326                         args [a_index].data.i = *(gint32*)params [i];
1327                         break;
1328 #if SIZEOF_VOID_P == 8
1329                 case MONO_TYPE_U:
1330                 case MONO_TYPE_I:
1331 #endif
1332                 case MONO_TYPE_U8:
1333                 case MONO_TYPE_I8:
1334                         args [a_index].data.l = *(gint64*)params [i];
1335                         break;
1336                 case MONO_TYPE_VALUETYPE:
1337                         if (sig->params [i]->data.klass->enumtype) {
1338                                 type = mono_class_enum_basetype (sig->params [i]->data.klass)->type;
1339                                 goto handle_enum;
1340                         } else {
1341                                 args [a_index].data.p = params [i];
1342                         }
1343                         break;
1344                 case MONO_TYPE_STRING:
1345                 case MONO_TYPE_PTR:
1346                 case MONO_TYPE_CLASS:
1347                 case MONO_TYPE_ARRAY:
1348                 case MONO_TYPE_SZARRAY:
1349                 case MONO_TYPE_OBJECT:
1350                 case MONO_TYPE_GENERICINST:
1351                         args [a_index].data.p = params [i];
1352                         break;
1353                 default:
1354                         g_error ("type 0x%x not handled in  runtime invoke", sig->params [i]->type);
1355                 }
1356         }
1357
1358         if (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL)
1359                 method = mono_marshal_get_native_wrapper (method, FALSE, FALSE);
1360         INIT_FRAME (&frame,context->current_frame,args,&result,mono_get_root_domain (),method,error);
1361         if (exc)
1362                 frame.invoke_trap = 1;
1363         context->managed_code = 1;
1364         ves_exec_method_with_context (&frame, context);
1365         context->managed_code = 0;
1366         if (context == &context_struct)
1367                 mono_native_tls_set_value (thread_context_id, NULL);
1368         else
1369                 context->current_frame = old_frame;
1370         if (frame.ex != NULL) {
1371                 if (exc != NULL) {
1372                         *exc = (MonoObject*) frame.ex;
1373                         return NULL;
1374                 }
1375                 if (context->current_env != NULL) {
1376                         context->env_frame->ex = frame.ex;
1377                         longjmp(*context->current_env, 1);
1378                 }
1379                 else
1380                         printf("dropped exception...\n");
1381         }
1382         if (sig->ret->type == MONO_TYPE_VOID && !method->string_ctor)
1383                 return NULL;
1384         if (isobject || method->string_ctor)
1385                 return result.data.p;
1386         stackval_to_data (sig->ret, &result, ret, sig->pinvoke);
1387         return retval;
1388 }
1389
1390 static stackval *
1391 do_icall (ThreadContext *context, int op, stackval *sp, gpointer ptr)
1392 {
1393         MonoInvocation *old_frame = context->current_frame;
1394         MonoInvocation *old_env_frame = context->env_frame;
1395         jmp_buf *old_env = context->current_env;
1396         jmp_buf env;
1397
1398         if (setjmp (env)) {
1399                 context->current_frame = old_frame;
1400                 context->env_frame = old_env_frame;
1401                 context->current_env = old_env;
1402                 context->managed_code = 1;
1403                 return sp;
1404         }
1405
1406         context->env_frame = context->current_frame;
1407         context->current_env = &env;
1408         context->managed_code = 0;
1409
1410         switch (op) {
1411         case MINT_ICALL_V_V: {
1412                 void (*func)() = ptr;
1413                 func ();
1414                 break;
1415         }
1416         case MINT_ICALL_V_P: {
1417                 gpointer (*func)() = ptr;
1418                 sp++;
1419                 sp [-1].data.p = func ();
1420                 break;
1421         }
1422         case MINT_ICALL_P_V: {
1423                 void (*func)(gpointer) = ptr;
1424                 func (sp [-1].data.p);
1425                 sp --;
1426                 break;
1427         }
1428         case MINT_ICALL_P_P: {
1429                 gpointer (*func)(gpointer) = ptr;
1430                 sp [-1].data.p = func (sp [-1].data.p);
1431                 break;
1432         }
1433         case MINT_ICALL_PP_V: {
1434                 void (*func)(gpointer,gpointer) = ptr;
1435                 sp -= 2;
1436                 func (sp [0].data.p, sp [1].data.p);
1437                 break;
1438         }
1439         case MINT_ICALL_PI_V: {
1440                 void (*func)(gpointer,int) = ptr;
1441                 sp -= 2;
1442                 func (sp [0].data.p, sp [1].data.i);
1443                 break;
1444         }
1445         case MINT_ICALL_PP_P: {
1446                 gpointer (*func)(gpointer,gpointer) = ptr;
1447                 --sp;
1448                 sp [-1].data.p = func (sp [-1].data.p, sp [0].data.p);
1449                 break;
1450         }
1451         case MINT_ICALL_PI_P: {
1452                 gpointer (*func)(gpointer,int) = ptr;
1453                 --sp;
1454                 sp [-1].data.p = func (sp [-1].data.p, sp [0].data.i);
1455                 break;
1456         }
1457         case MINT_ICALL_PPP_V: {
1458                 void (*func)(gpointer,gpointer,gpointer) = ptr;
1459                 sp -= 3;
1460                 func (sp [0].data.p, sp [1].data.p, sp [2].data.p);
1461                 break;
1462         }
1463         case MINT_ICALL_PPI_V: {
1464                 void (*func)(gpointer,gpointer,int) = ptr;
1465                 sp -= 3;
1466                 func (sp [0].data.p, sp [1].data.p, sp [2].data.i);
1467                 break;
1468         }
1469         default:
1470                 g_assert_not_reached ();
1471         }
1472
1473         context->env_frame = old_env_frame;
1474         context->current_env = old_env;
1475
1476         return sp;
1477 }
1478
1479 static mono_mutex_t create_method_pointer_mutex;
1480
1481 static GHashTable *method_pointer_hash = NULL;
1482
1483 #define TRAMPS_USED 8
1484
1485 static MonoMethod *method_pointers [TRAMPS_USED] = {0};
1486
1487 #define GEN_METHOD_PTR_TRAMP(num) \
1488                 static MonoObject * mp_tramp_ ## num (MonoObject *this_obj, void **params, MonoObject **exc, void *compiled_method) { \
1489                         MonoError error; \
1490                         void *params_real[] = {this_obj, &params, &exc, &compiled_method}; \
1491                         MonoObject *ret = mono_interp_runtime_invoke (method_pointers [num], NULL, params_real, NULL, &error); \
1492                         mono_error_cleanup (&error); \
1493                         return ret; \
1494                 }
1495
1496
1497 GEN_METHOD_PTR_TRAMP (0);
1498 GEN_METHOD_PTR_TRAMP (1);
1499 GEN_METHOD_PTR_TRAMP (2);
1500 GEN_METHOD_PTR_TRAMP (3);
1501 GEN_METHOD_PTR_TRAMP (4);
1502 GEN_METHOD_PTR_TRAMP (5);
1503 GEN_METHOD_PTR_TRAMP (6);
1504 GEN_METHOD_PTR_TRAMP (7);
1505
1506 #undef GEN_METHOD_PTR_TRAMP
1507
1508 gpointer *mp_tramps[TRAMPS_USED] = {
1509         (gpointer) mp_tramp_0, (gpointer) mp_tramp_1, (gpointer) mp_tramp_2, (gpointer) mp_tramp_3,
1510         (gpointer) mp_tramp_4, (gpointer) mp_tramp_5, (gpointer) mp_tramp_6, (gpointer) mp_tramp_7
1511 };
1512
1513 static int tramps_used = 0;
1514
1515 gpointer
1516 mono_interp_create_method_pointer (MonoMethod *method, MonoError *error)
1517 {
1518         gpointer addr;
1519         MonoJitInfo *ji;
1520
1521         mono_os_mutex_lock (&create_method_pointer_mutex);
1522         if (!method_pointer_hash) {
1523                 // FIXME: is registering method table as GC root really necessary?
1524                 // MONO_GC_REGISTER_ROOT_FIXED (method_pointer_hash);
1525                 method_pointer_hash = g_hash_table_new (NULL, NULL);
1526         }
1527         addr = g_hash_table_lookup (method_pointer_hash, method);
1528         if (addr) {
1529                 mono_os_mutex_unlock (&create_method_pointer_mutex);
1530                 return addr;
1531         }
1532
1533         /*
1534          * If it is a static P/Invoke method, we can just return the pointer
1535          * to the method implementation.
1536          */
1537         if (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL && ((MonoMethodPInvoke*) method)->addr) {
1538                 ji = g_new0 (MonoJitInfo, 1);
1539                 ji->d.method = method;
1540                 ji->code_size = 1;
1541                 ji->code_start = addr = ((MonoMethodPInvoke*) method)->addr;
1542
1543                 mono_jit_info_table_add (mono_get_root_domain (), ji);
1544         }
1545         else {
1546                 g_assert (method->wrapper_type == MONO_WRAPPER_RUNTIME_INVOKE);
1547                 g_assert (tramps_used < TRAMPS_USED);
1548
1549                 /* FIXME: needs locking */
1550                 method_pointers [tramps_used] = method;
1551                 addr = mp_tramps [tramps_used];
1552                 tramps_used++;
1553         }
1554
1555         g_hash_table_insert (method_pointer_hash, method, addr);
1556         mono_os_mutex_unlock (&create_method_pointer_mutex);
1557
1558         return addr;
1559 }
1560
1561 #if COUNT_OPS
1562 static int opcode_counts[512];
1563
1564 #define COUNT_OP(op) opcode_counts[op]++
1565 #else
1566 #define COUNT_OP(op)
1567 #endif
1568
1569 #if DEBUG_INTERP
1570 #define DUMP_INSTR() \
1571         if (tracing > 1) { \
1572                 char *ins; \
1573                 if (sp > frame->stack) { \
1574                         ins = dump_stack (frame->stack, sp); \
1575                 } else { \
1576                         ins = g_strdup (""); \
1577                 } \
1578                 sp->data.l = 0; \
1579                 output_indent (); \
1580                 char *mn = mono_method_full_name (frame->runtime_method->method, FALSE); \
1581                 g_print ("(%p) %s -> ", mono_thread_internal_current (), mn); \
1582                 g_free (mn); \
1583                 mono_interp_dis_mintop(rtm->code, ip); \
1584                 g_print ("\t%d:%s\n", vt_sp - vtalloc, ins); \
1585                 g_free (ins); \
1586         }
1587 #else
1588 #define DUMP_INSTR()
1589 #endif
1590
1591 #ifdef __GNUC__
1592 #define USE_COMPUTED_GOTO 1
1593 #endif
1594 #if USE_COMPUTED_GOTO
1595 #define MINT_IN_SWITCH(op) COUNT_OP(op); goto *in_labels[op];
1596 #define MINT_IN_CASE(x) LAB_ ## x:
1597 #if DEBUG_INTERP
1598 #define MINT_IN_BREAK if (tracing > 1) goto main_loop; else { COUNT_OP(*ip); goto *in_labels[*ip]; }
1599 #else
1600 #define MINT_IN_BREAK { COUNT_OP(*ip); goto *in_labels[*ip]; }
1601 #endif
1602 #define MINT_IN_DEFAULT mint_default: if (0) goto mint_default; /* make gcc shut up */
1603 #else
1604 #define MINT_IN_SWITCH(op) switch (op)
1605 #define MINT_IN_CASE(x) case x:
1606 #define MINT_IN_BREAK break
1607 #define MINT_IN_DEFAULT default:
1608 #endif
1609
1610 static void
1611 ves_exec_method_with_context (MonoInvocation *frame, ThreadContext *context)
1612 {
1613         MonoInvocation child_frame;
1614         GSList *finally_ips = NULL;
1615         const unsigned short *endfinally_ip = NULL;
1616         const unsigned short *ip = NULL;
1617         register stackval *sp;
1618         RuntimeMethod *rtm;
1619 #if DEBUG_INTERP
1620         gint tracing = global_tracing;
1621         unsigned char *vtalloc;
1622 #endif
1623         int i32;
1624         unsigned char *vt_sp;
1625         unsigned char *locals;
1626         MonoError error;
1627         MonoObject *o = NULL;
1628         MonoClass *c;
1629 #if USE_COMPUTED_GOTO
1630         static void *in_labels[] = {
1631 #define OPDEF(a,b,c,d) \
1632         &&LAB_ ## a,
1633 #include "mintops.def"
1634         0 };
1635 #endif
1636
1637         frame->ex = NULL;
1638         frame->ex_handler = NULL;
1639         frame->ip = NULL;
1640         context->current_frame = frame;
1641
1642 #if DEBUG_INTERP
1643         debug_enter (frame, &tracing);
1644 #endif
1645
1646         if (!frame->runtime_method->transformed) {
1647                 context->managed_code = 0;
1648 #if DEBUG_INTERP
1649                 char *mn = mono_method_full_name (frame->runtime_method->method, TRUE);
1650                 g_print ("(%p) Transforming %s\n", mono_thread_internal_current (), mn);
1651                 g_free (mn);
1652 #endif
1653                 frame->ex = mono_interp_transform_method (frame->runtime_method, context);
1654                 context->managed_code = 1;
1655                 if (frame->ex) {
1656                         rtm = NULL;
1657                         ip = NULL;
1658                         goto exit_frame;
1659                 }
1660         }
1661
1662         rtm = frame->runtime_method;
1663         frame->args = alloca (rtm->alloca_size);
1664         memset (frame->args, 0, rtm->alloca_size);
1665
1666         sp = frame->stack = (stackval *)((char *)frame->args + rtm->args_size);
1667         memset (sp, 0, rtm->stack_size);
1668
1669         vt_sp = (unsigned char *) sp + rtm->stack_size;
1670         memset (vt_sp, 0, rtm->vt_stack_size);
1671 #if DEBUG_INTERP
1672         vtalloc = vt_sp;
1673 #endif
1674
1675         locals = (unsigned char *) vt_sp + rtm->vt_stack_size;
1676         memset (vt_sp, 0, rtm->locals_size);
1677
1678         child_frame.parent = frame;
1679
1680         /* ready to go */
1681         ip = rtm->code;
1682
1683         /*
1684          * using while (ip < end) may result in a 15% performance drop,
1685          * but it may be useful for debug
1686          */
1687         while (1) {
1688         main_loop:
1689                 /* g_assert (sp >= frame->stack); */
1690                 /* g_assert(vt_sp - vtalloc <= rtm->vt_stack_size); */
1691                 DUMP_INSTR();
1692                 MINT_IN_SWITCH (*ip) {
1693                 MINT_IN_CASE(MINT_INITLOCALS)
1694                         memset (locals, 0, rtm->locals_size);
1695                         ++ip;
1696                         MINT_IN_BREAK;
1697                 MINT_IN_CASE(MINT_NOP)
1698                         ++ip;
1699                         MINT_IN_BREAK;
1700                 MINT_IN_CASE(MINT_BREAK)
1701                         ++ip;
1702                         G_BREAKPOINT (); /* this is not portable... */
1703                         MINT_IN_BREAK;
1704                 MINT_IN_CASE(MINT_LDNULL)
1705                         sp->data.p = NULL;
1706                         ++ip;
1707                         ++sp;
1708                         MINT_IN_BREAK;
1709                 MINT_IN_CASE(MINT_VTRESULT) {
1710                         int ret_size = * (guint16 *)(ip + 1);
1711                         unsigned char *ret_vt_sp = vt_sp;
1712                         vt_sp -= READ32(ip + 2);
1713                         if (ret_size > 0) {
1714                                 memmove (vt_sp, ret_vt_sp, ret_size);
1715                                 sp [-1].data.p = vt_sp;
1716                                 vt_sp += (ret_size + 7) & ~7;
1717                         }
1718                         ip += 4;
1719                         MINT_IN_BREAK;
1720                 }
1721 #define LDC(n) do { sp->data.i = (n); ++ip; ++sp; } while (0)
1722                 MINT_IN_CASE(MINT_LDC_I4_M1)
1723                         LDC(-1);
1724                         MINT_IN_BREAK;
1725                 MINT_IN_CASE(MINT_LDC_I4_0)
1726                         LDC(0);
1727                         MINT_IN_BREAK;
1728                 MINT_IN_CASE(MINT_LDC_I4_1)
1729                         LDC(1);
1730                         MINT_IN_BREAK;
1731                 MINT_IN_CASE(MINT_LDC_I4_2)
1732                         LDC(2);
1733                         MINT_IN_BREAK;
1734                 MINT_IN_CASE(MINT_LDC_I4_3)
1735                         LDC(3);
1736                         MINT_IN_BREAK;
1737                 MINT_IN_CASE(MINT_LDC_I4_4)
1738                         LDC(4);
1739                         MINT_IN_BREAK;
1740                 MINT_IN_CASE(MINT_LDC_I4_5)
1741                         LDC(5);
1742                         MINT_IN_BREAK;
1743                 MINT_IN_CASE(MINT_LDC_I4_6)
1744                         LDC(6);
1745                         MINT_IN_BREAK;
1746                 MINT_IN_CASE(MINT_LDC_I4_7)
1747                         LDC(7);
1748                         MINT_IN_BREAK;
1749                 MINT_IN_CASE(MINT_LDC_I4_8)
1750                         LDC(8);
1751                         MINT_IN_BREAK;
1752                 MINT_IN_CASE(MINT_LDC_I4_S)
1753                         sp->data.i = *(const short *)(ip + 1);
1754                         ip += 2;
1755                         ++sp;
1756                         MINT_IN_BREAK;
1757                 MINT_IN_CASE(MINT_LDC_I4)
1758                         ++ip;
1759                         sp->data.i = READ32 (ip);
1760                         ip += 2;
1761                         ++sp;
1762                         MINT_IN_BREAK;
1763                 MINT_IN_CASE(MINT_LDC_I8)
1764                         ++ip;
1765                         sp->data.l = READ64 (ip);
1766                         ip += 4;
1767                         ++sp;
1768                         MINT_IN_BREAK;
1769                 MINT_IN_CASE(MINT_LDC_R4) {
1770                         guint32 val;
1771                         ++ip;
1772                         val = READ32(ip);
1773                         sp->data.f = * (float *)&val;
1774                         ip += 2;
1775                         ++sp;
1776                         MINT_IN_BREAK;
1777                 }
1778                 MINT_IN_CASE(MINT_LDC_R8)
1779                         sp->data.l = READ64 (ip + 1); /* note union usage */
1780                         ip += 5;
1781                         ++sp;
1782                         MINT_IN_BREAK;
1783                 MINT_IN_CASE(MINT_DUP)
1784                         sp [0] = sp[-1];
1785                         ++sp;
1786                         ++ip;
1787                         MINT_IN_BREAK;
1788                 MINT_IN_CASE(MINT_DUP_VT)
1789                         i32 = READ32 (ip + 1);
1790                         sp->data.p = vt_sp;
1791                         memcpy(sp->data.p, sp [-1].data.p, i32);
1792                         vt_sp += (i32 + 7) & ~7;
1793                         ++sp;
1794                         ip += 3;
1795                         MINT_IN_BREAK;
1796                 MINT_IN_CASE(MINT_POP) {
1797                         guint16 u16 = (* (guint16 *)(ip + 1)) + 1;
1798                         if (u16 > 1)
1799                                 memmove (sp - u16, sp - 1, (u16 - 1) * sizeof (stackval));
1800                         sp--;
1801                         ip += 2;
1802                         MINT_IN_BREAK;
1803                 }
1804                 MINT_IN_CASE(MINT_JMP) {
1805                         RuntimeMethod *new_method = rtm->data_items [* (guint16 *)(ip + 1)];
1806                         if (!new_method->transformed) {
1807                                 frame->ip = ip;
1808                                 frame->ex = mono_interp_transform_method (new_method, context);
1809                                 if (frame->ex)
1810                                         goto exit_frame;
1811                         }
1812                         ip += 2;
1813                         if (new_method->alloca_size > rtm->alloca_size)
1814                                 g_error ("MINT_JMP to method which needs more stack space (%d > %d)", new_method->alloca_size, rtm->alloca_size);
1815                         rtm = frame->runtime_method = new_method;
1816                         vt_sp = (unsigned char *) sp + rtm->stack_size;
1817 #if DEBUG_INTERP
1818                         vtalloc = vt_sp;
1819 #endif
1820                         locals = vt_sp + rtm->vt_stack_size;
1821                         ip = rtm->new_body_start; /* bypass storing input args from callers frame */
1822                         MINT_IN_BREAK;
1823                 }
1824                 MINT_IN_CASE(MINT_CALLI) {
1825                         MonoMethodSignature *csignature;
1826                         stackval *endsp = sp;
1827
1828                         frame->ip = ip;
1829
1830                         csignature = rtm->data_items [* (guint16 *)(ip + 1)];
1831                         ip += 2;
1832                         --sp;
1833                         --endsp;
1834                         child_frame.runtime_method = sp->data.p;
1835
1836                         sp->data.p = vt_sp;
1837                         child_frame.retval = sp;
1838                         /* decrement by the actual number of args */
1839                         sp -= csignature->param_count;
1840                         if (csignature->hasthis)
1841                                 --sp;
1842                         child_frame.stack_args = sp;
1843
1844                         /* `this' can be NULL for string:.ctor */
1845                         if (csignature->hasthis && sp->data.p && mono_object_is_transparent_proxy (sp->data.p)) {
1846                                 child_frame.runtime_method = mono_interp_get_runtime_method (context->domain, mono_marshal_get_remoting_invoke (child_frame.runtime_method->method), &error);
1847                                 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
1848                         } else if (child_frame.runtime_method->method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) {
1849                                 child_frame.runtime_method = mono_interp_get_runtime_method (context->domain, mono_marshal_get_native_wrapper (child_frame.runtime_method->method, FALSE, FALSE), &error);
1850                                 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
1851                         }
1852
1853                         if (csignature->hasthis) {
1854                                 MonoObject *this_arg = sp->data.p;
1855
1856                                 if (this_arg->vtable->klass->valuetype) {
1857                                         gpointer *unboxed = mono_object_unbox (this_arg);
1858                                         sp [0].data.p = unboxed;
1859                                 }
1860                         }
1861
1862                         ves_exec_method_with_context (&child_frame, context);
1863
1864                         context->current_frame = frame;
1865
1866                         if (child_frame.ex) {
1867                                 /*
1868                                  * An exception occurred, need to run finally, fault and catch handlers..
1869                                  */
1870                                 frame->ex = child_frame.ex;
1871                                 goto handle_finally;
1872                         }
1873
1874                         /* need to handle typedbyref ... */
1875                         if (csignature->ret->type != MONO_TYPE_VOID) {
1876                                 *sp = *endsp;
1877                                 sp++;
1878                         }
1879                         MINT_IN_BREAK;
1880                 }
1881                 MINT_IN_CASE(MINT_CALLI_NAT) {
1882                         MonoMethodSignature *csignature;
1883                         stackval *endsp = sp;
1884                         unsigned char *code = NULL;
1885
1886                         frame->ip = ip;
1887
1888                         csignature = rtm->data_items [* (guint16 *)(ip + 1)];
1889                         ip += 2;
1890                         --sp;
1891                         --endsp;
1892                         code = sp->data.p;
1893                         child_frame.runtime_method = NULL;
1894
1895                         sp->data.p = vt_sp;
1896                         child_frame.retval = sp;
1897                         /* decrement by the actual number of args */
1898                         sp -= csignature->param_count;
1899                         if (csignature->hasthis)
1900                                 --sp;
1901                         child_frame.stack_args = sp;
1902                         ves_pinvoke_method (&child_frame, csignature, (MonoFuncV) code, FALSE, context);
1903
1904                         context->current_frame = frame;
1905
1906                         if (child_frame.ex) {
1907                                 /*
1908                                  * An exception occurred, need to run finally, fault and catch handlers..
1909                                  */
1910                                 frame->ex = child_frame.ex;
1911                                 if (context->search_for_handler) {
1912                                         context->search_for_handler = 0;
1913                                         goto handle_exception;
1914                                 }
1915                                 goto handle_finally;
1916                         }
1917
1918                         /* need to handle typedbyref ... */
1919                         if (csignature->ret->type != MONO_TYPE_VOID) {
1920                                 *sp = *endsp;
1921                                 sp++;
1922                         }
1923                         MINT_IN_BREAK;
1924                 }
1925                 MINT_IN_CASE(MINT_CALL) {
1926                         stackval *endsp = sp;
1927
1928                         frame->ip = ip;
1929
1930                         child_frame.runtime_method = rtm->data_items [* (guint16 *)(ip + 1)];
1931                         ip += 2;
1932                         sp->data.p = vt_sp;
1933                         child_frame.retval = sp;
1934                         /* decrement by the actual number of args */
1935                         sp -= child_frame.runtime_method->param_count;
1936                         if (child_frame.runtime_method->hasthis)
1937                                 --sp;
1938                         child_frame.stack_args = sp;
1939
1940                         /* `this' can be NULL for string:.ctor */
1941                         if (child_frame.runtime_method->hasthis && !child_frame.runtime_method->method->klass->valuetype && sp->data.p && mono_object_is_transparent_proxy (sp->data.p)) {
1942                                 child_frame.runtime_method = mono_interp_get_runtime_method (context->domain, mono_marshal_get_remoting_invoke (child_frame.runtime_method->method), &error);
1943                                 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
1944                         }
1945                         ves_exec_method_with_context (&child_frame, context);
1946
1947                         context->current_frame = frame;
1948
1949                         if (child_frame.ex) {
1950                                 /*
1951                                  * An exception occurred, need to run finally, fault and catch handlers..
1952                                  */
1953                                 frame->ex = child_frame.ex;
1954                                 goto handle_exception;;
1955                         }
1956
1957                         /* need to handle typedbyref ... */
1958                         *sp = *endsp;
1959                         sp++;
1960                         MINT_IN_BREAK;
1961                 }
1962                 MINT_IN_CASE(MINT_VCALL) {
1963                         frame->ip = ip;
1964
1965                         child_frame.runtime_method = rtm->data_items [* (guint16 *)(ip + 1)];
1966                         ip += 2;
1967
1968                         sp->data.p = vt_sp;
1969                         child_frame.retval = sp;
1970                         /* decrement by the actual number of args */
1971                         sp -= child_frame.runtime_method->param_count;
1972                         if (child_frame.runtime_method->hasthis) {
1973                                 --sp;
1974                                 MonoObject *this_arg = sp->data.p;
1975                                 if (!this_arg)
1976                                         THROW_EX (mono_get_exception_null_reference(), ip - 2);
1977                         }
1978                         child_frame.stack_args = sp;
1979
1980                         if (child_frame.runtime_method->hasthis && !child_frame.runtime_method->method->klass->valuetype && mono_object_is_transparent_proxy (sp->data.p)) {
1981                                 child_frame.runtime_method = mono_interp_get_runtime_method (context->domain, mono_marshal_get_remoting_invoke (child_frame.runtime_method->method), &error);
1982                                 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
1983                         }
1984
1985                         ves_exec_method_with_context (&child_frame, context);
1986
1987                         context->current_frame = frame;
1988
1989                         if (child_frame.ex) {
1990                                 /*
1991                                  * An exception occurred, need to run finally, fault and catch handlers..
1992                                  */
1993                                 frame->ex = child_frame.ex;
1994                                 goto handle_finally;
1995                         }
1996                         MINT_IN_BREAK;
1997                 }
1998                 MINT_IN_CASE(MINT_CALLVIRT) {
1999                         stackval *endsp = sp;
2000                         MonoObject *this_arg;
2001                         guint32 token;
2002
2003                         frame->ip = ip;
2004
2005                         token = * (unsigned short *)(ip + 1);
2006                         ip += 2;
2007                         child_frame.runtime_method = rtm->data_items [token];
2008                         sp->data.p = vt_sp;
2009                         child_frame.retval = sp;
2010
2011                         /* decrement by the actual number of args */
2012                         sp -= child_frame.runtime_method->param_count + 1;
2013                         child_frame.stack_args = sp;
2014                         this_arg = sp->data.p;
2015                         if (!this_arg)
2016                                 THROW_EX (mono_get_exception_null_reference(), ip - 2);
2017                         child_frame.runtime_method = get_virtual_method (context->domain, child_frame.runtime_method, this_arg);
2018
2019                         MonoClass *this_class = this_arg->vtable->klass;
2020                         if (this_class->valuetype && child_frame.runtime_method->method->klass->valuetype) {
2021                                 /* unbox */
2022                                 gpointer *unboxed = mono_object_unbox (this_arg);
2023                                 sp [0].data.p = unboxed;
2024                         }
2025
2026                         ves_exec_method_with_context (&child_frame, context);
2027
2028                         context->current_frame = frame;
2029
2030                         if (child_frame.ex) {
2031                                 /*
2032                                  * An exception occurred, need to run finally, fault and catch handlers..
2033                                  */
2034                                 frame->ex = child_frame.ex;
2035                                 if (context->search_for_handler) {
2036                                         context->search_for_handler = 0;
2037                                         goto handle_exception;
2038                                 }
2039                                 goto handle_finally;
2040                         }
2041
2042                         /* need to handle typedbyref ... */
2043                         *sp = *endsp;
2044                         sp++;
2045                         MINT_IN_BREAK;
2046                 }
2047                 MINT_IN_CASE(MINT_VCALLVIRT) {
2048                         MonoObject *this_arg;
2049                         guint32 token;
2050
2051                         frame->ip = ip;
2052
2053                         token = * (unsigned short *)(ip + 1);
2054                         ip += 2;
2055                         child_frame.runtime_method = rtm->data_items [token];
2056                         sp->data.p = vt_sp;
2057                         child_frame.retval = sp;
2058
2059                         /* decrement by the actual number of args */
2060                         sp -= child_frame.runtime_method->param_count + 1;
2061                         child_frame.stack_args = sp;
2062                         this_arg = sp->data.p;
2063                         if (!this_arg)
2064                                 THROW_EX (mono_get_exception_null_reference(), ip - 2);
2065                         child_frame.runtime_method = get_virtual_method (context->domain, child_frame.runtime_method, this_arg);
2066
2067                         MonoClass *this_class = this_arg->vtable->klass;
2068                         if (this_class->valuetype && child_frame.runtime_method->method->klass->valuetype) {
2069                                 gpointer *unboxed = mono_object_unbox (this_arg);
2070                                 sp [0].data.p = unboxed;
2071                         }
2072
2073                         ves_exec_method_with_context (&child_frame, context);
2074
2075                         context->current_frame = frame;
2076
2077                         if (child_frame.ex) {
2078                                 /*
2079                                  * An exception occurred, need to run finally, fault and catch handlers..
2080                                  */
2081                                 frame->ex = child_frame.ex;
2082                                 if (context->search_for_handler) {
2083                                         context->search_for_handler = 0;
2084                                         goto handle_exception;
2085                                 }
2086                                 goto handle_finally;
2087                         }
2088                         MINT_IN_BREAK;
2089                 }
2090                 MINT_IN_CASE(MINT_CALLRUN)
2091                         ves_runtime_method (frame, context);
2092                         if (frame->ex) {
2093                                 rtm = NULL;
2094                                 goto handle_exception;
2095                         }
2096                         goto exit_frame;
2097                 MINT_IN_CASE(MINT_RET)
2098                         --sp;
2099                         *frame->retval = *sp;
2100                         if (sp > frame->stack)
2101                                 g_warning ("ret: more values on stack: %d", sp-frame->stack);
2102                         goto exit_frame;
2103                 MINT_IN_CASE(MINT_RET_VOID)
2104                         if (sp > frame->stack)
2105                                 g_warning ("ret.void: more values on stack: %d", sp-frame->stack);
2106                         goto exit_frame;
2107                 MINT_IN_CASE(MINT_RET_VT)
2108                         i32 = READ32(ip + 1);
2109                         --sp;
2110                         memcpy(frame->retval->data.p, sp->data.p, i32);
2111                         if (sp > frame->stack)
2112                                 g_warning ("ret.vt: more values on stack: %d", sp-frame->stack);
2113                         goto exit_frame;
2114                 MINT_IN_CASE(MINT_BR_S)
2115                         ip += (short) *(ip + 1);
2116                         MINT_IN_BREAK;
2117                 MINT_IN_CASE(MINT_BR)
2118                         ip += (gint32) READ32(ip + 1);
2119                         MINT_IN_BREAK;
2120 #define ZEROP_S(datamem, op) \
2121         --sp; \
2122         if (sp->data.datamem op 0) \
2123                 ip += * (gint16 *)(ip + 1); \
2124         else \
2125                 ip += 2;
2126
2127 #define ZEROP(datamem, op) \
2128         --sp; \
2129         if (sp->data.datamem op 0) \
2130                 ip += READ32(ip + 1); \
2131         else \
2132                 ip += 3;
2133
2134                 MINT_IN_CASE(MINT_BRFALSE_I4_S)
2135                         ZEROP_S(i, ==);
2136                         MINT_IN_BREAK;
2137                 MINT_IN_CASE(MINT_BRFALSE_I8_S)
2138                         ZEROP_S(l, ==);
2139                         MINT_IN_BREAK;
2140                 MINT_IN_CASE(MINT_BRFALSE_R8_S)
2141                         ZEROP_S(f, ==);
2142                         MINT_IN_BREAK;
2143                 MINT_IN_CASE(MINT_BRFALSE_I4)
2144                         ZEROP(i, ==);
2145                         MINT_IN_BREAK;
2146                 MINT_IN_CASE(MINT_BRFALSE_I8)
2147                         ZEROP(l, ==);
2148                         MINT_IN_BREAK;
2149                 MINT_IN_CASE(MINT_BRFALSE_R8)
2150                         ZEROP_S(f, ==);
2151                         MINT_IN_BREAK;
2152                 MINT_IN_CASE(MINT_BRTRUE_I4_S)
2153                         ZEROP_S(i, !=);
2154                         MINT_IN_BREAK;
2155                 MINT_IN_CASE(MINT_BRTRUE_I8_S)
2156                         ZEROP_S(l, !=);
2157                         MINT_IN_BREAK;
2158                 MINT_IN_CASE(MINT_BRTRUE_R8_S)
2159                         ZEROP_S(f, !=);
2160                         MINT_IN_BREAK;
2161                 MINT_IN_CASE(MINT_BRTRUE_I4)
2162                         ZEROP(i, !=);
2163                         MINT_IN_BREAK;
2164                 MINT_IN_CASE(MINT_BRTRUE_I8)
2165                         ZEROP(l, !=);
2166                         MINT_IN_BREAK;
2167                 MINT_IN_CASE(MINT_BRTRUE_R8)
2168                         ZEROP(f, !=);
2169                         MINT_IN_BREAK;
2170 #define CONDBR_S(cond) \
2171         sp -= 2; \
2172         if (cond) \
2173                 ip += * (gint16 *)(ip + 1); \
2174         else \
2175                 ip += 2;
2176 #define BRELOP_S(datamem, op) \
2177         CONDBR_S(sp[0].data.datamem op sp[1].data.datamem)
2178
2179 #define CONDBR(cond) \
2180         sp -= 2; \
2181         if (cond) \
2182                 ip += READ32(ip + 1); \
2183         else \
2184                 ip += 3;
2185
2186 #define BRELOP(datamem, op) \
2187         CONDBR(sp[0].data.datamem op sp[1].data.datamem)
2188
2189                 MINT_IN_CASE(MINT_BEQ_I4_S)
2190                         BRELOP_S(i, ==)
2191                         MINT_IN_BREAK;
2192                 MINT_IN_CASE(MINT_BEQ_I8_S)
2193                         BRELOP_S(l, ==)
2194                         MINT_IN_BREAK;
2195                 MINT_IN_CASE(MINT_BEQ_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_BEQ_I4)
2199                         BRELOP(i, ==)
2200                         MINT_IN_BREAK;
2201                 MINT_IN_CASE(MINT_BEQ_I8)
2202                         BRELOP(l, ==)
2203                         MINT_IN_BREAK;
2204                 MINT_IN_CASE(MINT_BEQ_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_BGE_I4_S)
2208                         BRELOP_S(i, >=)
2209                         MINT_IN_BREAK;
2210                 MINT_IN_CASE(MINT_BGE_I8_S)
2211                         BRELOP_S(l, >=)
2212                         MINT_IN_BREAK;
2213                 MINT_IN_CASE(MINT_BGE_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_BGE_I4)
2217                         BRELOP(i, >=)
2218                         MINT_IN_BREAK;
2219                 MINT_IN_CASE(MINT_BGE_I8)
2220                         BRELOP(l, >=)
2221                         MINT_IN_BREAK;
2222                 MINT_IN_CASE(MINT_BGE_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_BGT_I4_S)
2226                         BRELOP_S(i, >)
2227                         MINT_IN_BREAK;
2228                 MINT_IN_CASE(MINT_BGT_I8_S)
2229                         BRELOP_S(l, >)
2230                         MINT_IN_BREAK;
2231                 MINT_IN_CASE(MINT_BGT_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_BGT_I4)
2235                         BRELOP(i, >)
2236                         MINT_IN_BREAK;
2237                 MINT_IN_CASE(MINT_BGT_I8)
2238                         BRELOP(l, >)
2239                         MINT_IN_BREAK;
2240                 MINT_IN_CASE(MINT_BGT_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_BLT_I4_S)
2244                         BRELOP_S(i, <)
2245                         MINT_IN_BREAK;
2246                 MINT_IN_CASE(MINT_BLT_I8_S)
2247                         BRELOP_S(l, <)
2248                         MINT_IN_BREAK;
2249                 MINT_IN_CASE(MINT_BLT_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_BLT_I4)
2253                         BRELOP(i, <)
2254                         MINT_IN_BREAK;
2255                 MINT_IN_CASE(MINT_BLT_I8)
2256                         BRELOP(l, <)
2257                         MINT_IN_BREAK;
2258                 MINT_IN_CASE(MINT_BLT_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_BLE_I4_S)
2262                         BRELOP_S(i, <=)
2263                         MINT_IN_BREAK;
2264                 MINT_IN_CASE(MINT_BLE_I8_S)
2265                         BRELOP_S(l, <=)
2266                         MINT_IN_BREAK;
2267                 MINT_IN_CASE(MINT_BLE_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_BLE_I4)
2271                         BRELOP(i, <=)
2272                         MINT_IN_BREAK;
2273                 MINT_IN_CASE(MINT_BLE_I8)
2274                         BRELOP(l, <=)
2275                         MINT_IN_BREAK;
2276                 MINT_IN_CASE(MINT_BLE_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                 MINT_IN_CASE(MINT_BNE_UN_I4_S)
2280                         BRELOP_S(i, !=)
2281                         MINT_IN_BREAK;
2282                 MINT_IN_CASE(MINT_BNE_UN_I8_S)
2283                         BRELOP_S(l, !=)
2284                         MINT_IN_BREAK;
2285                 MINT_IN_CASE(MINT_BNE_UN_R8_S)
2286                         CONDBR_S(isunordered (sp [0].data.f, sp [1].data.f) || sp[0].data.f != sp[1].data.f)
2287                         MINT_IN_BREAK;
2288                 MINT_IN_CASE(MINT_BNE_UN_I4)
2289                         BRELOP(i, !=)
2290                         MINT_IN_BREAK;
2291                 MINT_IN_CASE(MINT_BNE_UN_I8)
2292                         BRELOP(l, !=)
2293                         MINT_IN_BREAK;
2294                 MINT_IN_CASE(MINT_BNE_UN_R8)
2295                         CONDBR(isunordered (sp [0].data.f, sp [1].data.f) || sp[0].data.f != sp[1].data.f)
2296                         MINT_IN_BREAK;
2297
2298 #define BRELOP_S_CAST(datamem, op, type) \
2299         sp -= 2; \
2300         if ((type) sp[0].data.datamem op (type) sp[1].data.datamem) \
2301                 ip += * (gint16 *)(ip + 1); \
2302         else \
2303                 ip += 2;
2304
2305 #define BRELOP_CAST(datamem, op, type) \
2306         sp -= 2; \
2307         if ((type) sp[0].data.datamem op (type) sp[1].data.datamem) \
2308                 ip += READ32(ip + 1); \
2309         else \
2310                 ip += 3;
2311
2312                 MINT_IN_CASE(MINT_BGE_UN_I4_S)
2313                         BRELOP_S_CAST(i, >=, guint32);
2314                         MINT_IN_BREAK;
2315                 MINT_IN_CASE(MINT_BGE_UN_I8_S)
2316                         BRELOP_S_CAST(l, >=, guint64);
2317                         MINT_IN_BREAK;
2318                 MINT_IN_CASE(MINT_BGE_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_BGE_UN_I4)
2322                         BRELOP_CAST(i, >=, guint32);
2323                         MINT_IN_BREAK;
2324                 MINT_IN_CASE(MINT_BGE_UN_I8)
2325                         BRELOP_CAST(l, >=, guint64);
2326                         MINT_IN_BREAK;
2327                 MINT_IN_CASE(MINT_BGE_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_BGT_UN_I4_S)
2331                         BRELOP_S_CAST(i, >, guint32);
2332                         MINT_IN_BREAK;
2333                 MINT_IN_CASE(MINT_BGT_UN_I8_S)
2334                         BRELOP_S_CAST(l, >, guint64);
2335                         MINT_IN_BREAK;
2336                 MINT_IN_CASE(MINT_BGT_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_BGT_UN_I4)
2340                         BRELOP_CAST(i, >, guint32);
2341                         MINT_IN_BREAK;
2342                 MINT_IN_CASE(MINT_BGT_UN_I8)
2343                         BRELOP_CAST(l, >, guint64);
2344                         MINT_IN_BREAK;
2345                 MINT_IN_CASE(MINT_BGT_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_BLE_UN_I4_S)
2349                         BRELOP_S_CAST(i, <=, guint32);
2350                         MINT_IN_BREAK;
2351                 MINT_IN_CASE(MINT_BLE_UN_I8_S)
2352                         BRELOP_S_CAST(l, <=, guint64);
2353                         MINT_IN_BREAK;
2354                 MINT_IN_CASE(MINT_BLE_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_BLE_UN_I4)
2358                         BRELOP_CAST(i, <=, guint32);
2359                         MINT_IN_BREAK;
2360                 MINT_IN_CASE(MINT_BLE_UN_I8)
2361                         BRELOP_CAST(l, <=, guint64);
2362                         MINT_IN_BREAK;
2363                 MINT_IN_CASE(MINT_BLE_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_BLT_UN_I4_S)
2367                         BRELOP_S_CAST(i, <, guint32);
2368                         MINT_IN_BREAK;
2369                 MINT_IN_CASE(MINT_BLT_UN_I8_S)
2370                         BRELOP_S_CAST(l, <, guint64);
2371                         MINT_IN_BREAK;
2372                 MINT_IN_CASE(MINT_BLT_UN_R8_S)
2373                         CONDBR_S(isunordered (sp [0].data.f, sp [1].data.f) || sp[0].data.f < sp[1].data.f)
2374                         MINT_IN_BREAK;
2375                 MINT_IN_CASE(MINT_BLT_UN_I4)
2376                         BRELOP_CAST(i, <, guint32);
2377                         MINT_IN_BREAK;
2378                 MINT_IN_CASE(MINT_BLT_UN_I8)
2379                         BRELOP_CAST(l, <, guint64);
2380                         MINT_IN_BREAK;
2381                 MINT_IN_CASE(MINT_BLT_UN_R8)
2382                         CONDBR(isunordered (sp [0].data.f, sp [1].data.f) || sp[0].data.f < sp[1].data.f)
2383                         MINT_IN_BREAK;
2384                 MINT_IN_CASE(MINT_SWITCH) {
2385                         guint32 n;
2386                         const unsigned short *st;
2387                         ++ip;
2388                         n = READ32 (ip);
2389                         ip += 2;
2390                         st = ip + 2 * n;
2391                         --sp;
2392                         if ((guint32)sp->data.i < n) {
2393                                 gint offset;
2394                                 ip += 2 * (guint32)sp->data.i;
2395                                 offset = READ32 (ip);
2396                                 ip = st + offset;
2397                         } else {
2398                                 ip = st;
2399                         }
2400                         MINT_IN_BREAK;
2401                 }
2402                 MINT_IN_CASE(MINT_LDIND_I1)
2403                         ++ip;
2404                         sp[-1].data.i = *(gint8*)sp[-1].data.p;
2405                         MINT_IN_BREAK;
2406                 MINT_IN_CASE(MINT_LDIND_U1)
2407                         ++ip;
2408                         sp[-1].data.i = *(guint8*)sp[-1].data.p;
2409                         MINT_IN_BREAK;
2410                 MINT_IN_CASE(MINT_LDIND_I2)
2411                         ++ip;
2412                         sp[-1].data.i = *(gint16*)sp[-1].data.p;
2413                         MINT_IN_BREAK;
2414                 MINT_IN_CASE(MINT_LDIND_U2)
2415                         ++ip;
2416                         sp[-1].data.i = *(guint16*)sp[-1].data.p;
2417                         MINT_IN_BREAK;
2418                 MINT_IN_CASE(MINT_LDIND_I4) /* Fall through */
2419                 MINT_IN_CASE(MINT_LDIND_U4)
2420                         ++ip;
2421                         sp[-1].data.i = *(gint32*)sp[-1].data.p;
2422                         MINT_IN_BREAK;
2423                 MINT_IN_CASE(MINT_LDIND_I8)
2424                         ++ip;
2425                         sp[-1].data.l = *(gint64*)sp[-1].data.p;
2426                         MINT_IN_BREAK;
2427                 MINT_IN_CASE(MINT_LDIND_I) {
2428                         guint16 offset = * (guint16 *)(ip + 1);
2429                         sp[-1 - offset].data.p = *(gpointer*)sp[-1 - offset].data.p;
2430                         ip += 2;
2431                         MINT_IN_BREAK;
2432                 }
2433                 MINT_IN_CASE(MINT_LDIND_R4)
2434                         ++ip;
2435                         sp[-1].data.f = *(gfloat*)sp[-1].data.p;
2436                         MINT_IN_BREAK;
2437                 MINT_IN_CASE(MINT_LDIND_R8)
2438                         ++ip;
2439                         sp[-1].data.f = *(gdouble*)sp[-1].data.p;
2440                         MINT_IN_BREAK;
2441                 MINT_IN_CASE(MINT_LDIND_REF)
2442                         ++ip;
2443                         sp[-1].data.p = *(gpointer*)sp[-1].data.p;
2444                         MINT_IN_BREAK;
2445                 MINT_IN_CASE(MINT_STIND_REF)
2446                         ++ip;
2447                         sp -= 2;
2448                         * (gpointer *) sp->data.p = sp[1].data.p;
2449                         MINT_IN_BREAK;
2450                 MINT_IN_CASE(MINT_STIND_I1)
2451                         ++ip;
2452                         sp -= 2;
2453                         * (gint8 *) sp->data.p = (gint8)sp[1].data.i;
2454                         MINT_IN_BREAK;
2455                 MINT_IN_CASE(MINT_STIND_I2)
2456                         ++ip;
2457                         sp -= 2;
2458                         * (gint16 *) sp->data.p = (gint16)sp[1].data.i;
2459                         MINT_IN_BREAK;
2460                 MINT_IN_CASE(MINT_STIND_I4)
2461                         ++ip;
2462                         sp -= 2;
2463                         * (gint32 *) sp->data.p = sp[1].data.i;
2464                         MINT_IN_BREAK;
2465                 MINT_IN_CASE(MINT_STIND_I)
2466                         ++ip;
2467                         sp -= 2;
2468                         * (mono_i *) sp->data.p = (mono_i)sp[1].data.p;
2469                         MINT_IN_BREAK;
2470                 MINT_IN_CASE(MINT_STIND_I8)
2471                         ++ip;
2472                         sp -= 2;
2473                         * (gint64 *) sp->data.p = sp[1].data.l;
2474                         MINT_IN_BREAK;
2475                 MINT_IN_CASE(MINT_STIND_R4)
2476                         ++ip;
2477                         sp -= 2;
2478                         * (float *) sp->data.p = (gfloat)sp[1].data.f;
2479                         MINT_IN_BREAK;
2480                 MINT_IN_CASE(MINT_STIND_R8)
2481                         ++ip;
2482                         sp -= 2;
2483                         * (double *) sp->data.p = sp[1].data.f;
2484                         MINT_IN_BREAK;
2485 #define BINOP(datamem, op) \
2486         --sp; \
2487         sp [-1].data.datamem = sp [-1].data.datamem op sp [0].data.datamem; \
2488         ++ip;
2489                 MINT_IN_CASE(MINT_ADD_I4)
2490                         BINOP(i, +);
2491                         MINT_IN_BREAK;
2492                 MINT_IN_CASE(MINT_ADD_I8)
2493                         BINOP(l, +);
2494                         MINT_IN_BREAK;
2495                 MINT_IN_CASE(MINT_ADD_R8)
2496                         BINOP(f, +);
2497                         MINT_IN_BREAK;
2498                 MINT_IN_CASE(MINT_ADD1_I4)
2499                         ++sp [-1].data.i;
2500                         ++ip;
2501                         MINT_IN_BREAK;
2502                 MINT_IN_CASE(MINT_SUB_I4)
2503                         BINOP(i, -);
2504                         MINT_IN_BREAK;
2505                 MINT_IN_CASE(MINT_SUB_I8)
2506                         BINOP(l, -);
2507                         MINT_IN_BREAK;
2508                 MINT_IN_CASE(MINT_SUB_R8)
2509                         BINOP(f, -);
2510                         MINT_IN_BREAK;
2511                 MINT_IN_CASE(MINT_SUB1_I4)
2512                         --sp [-1].data.i;
2513                         ++ip;
2514                         MINT_IN_BREAK;
2515                 MINT_IN_CASE(MINT_MUL_I4)
2516                         BINOP(i, *);
2517                         MINT_IN_BREAK;
2518                 MINT_IN_CASE(MINT_MUL_I8)
2519                         BINOP(l, *);
2520                         MINT_IN_BREAK;
2521                 MINT_IN_CASE(MINT_MUL_R8)
2522                         BINOP(f, *);
2523                         MINT_IN_BREAK;
2524                 MINT_IN_CASE(MINT_DIV_I4)
2525                         if (sp [-1].data.i == 0)
2526                                 THROW_EX (mono_get_exception_divide_by_zero (), ip);
2527                         if (sp [-1].data.i == (-1))
2528                                 THROW_EX (mono_get_exception_overflow (), ip);
2529                         BINOP(i, /);
2530                         MINT_IN_BREAK;
2531                 MINT_IN_CASE(MINT_DIV_I8)
2532                         if (sp [-1].data.l == 0)
2533                                 THROW_EX (mono_get_exception_divide_by_zero (), ip);
2534                         if (sp [-1].data.l == (-1))
2535                                 THROW_EX (mono_get_exception_overflow (), ip);
2536                         BINOP(l, /);
2537                         MINT_IN_BREAK;
2538                 MINT_IN_CASE(MINT_DIV_R8)
2539                         BINOP(f, /);
2540                         MINT_IN_BREAK;
2541
2542 #define BINOP_CAST(datamem, op, type) \
2543         --sp; \
2544         sp [-1].data.datamem = (type)sp [-1].data.datamem op (type)sp [0].data.datamem; \
2545         ++ip;
2546                 MINT_IN_CASE(MINT_DIV_UN_I4)
2547                         if (sp [-1].data.i == 0)
2548                                 THROW_EX (mono_get_exception_divide_by_zero (), ip);
2549                         BINOP_CAST(i, /, guint32);
2550                         MINT_IN_BREAK;
2551                 MINT_IN_CASE(MINT_DIV_UN_I8)
2552                         if (sp [-1].data.l == 0)
2553                                 THROW_EX (mono_get_exception_divide_by_zero (), ip);
2554                         BINOP_CAST(l, /, guint64);
2555                         MINT_IN_BREAK;
2556                 MINT_IN_CASE(MINT_REM_I4)
2557                         if (sp [-1].data.i == 0)
2558                                 THROW_EX (mono_get_exception_divide_by_zero (), ip);
2559                         if (sp [-1].data.i == (-1))
2560                                 THROW_EX (mono_get_exception_overflow (), ip);
2561                         BINOP(i, %);
2562                         MINT_IN_BREAK;
2563                 MINT_IN_CASE(MINT_REM_I8)
2564                         if (sp [-1].data.l == 0)
2565                                 THROW_EX (mono_get_exception_divide_by_zero (), ip);
2566                         if (sp [-1].data.l == (-1))
2567                                 THROW_EX (mono_get_exception_overflow (), ip);
2568                         BINOP(l, %);
2569                         MINT_IN_BREAK;
2570                 MINT_IN_CASE(MINT_REM_R8)
2571                         /* FIXME: what do we actually do here? */
2572                         --sp;
2573                         sp [-1].data.f = fmod (sp [-1].data.f, sp [0].data.f);
2574                         ++ip;
2575                         MINT_IN_BREAK;
2576                 MINT_IN_CASE(MINT_REM_UN_I4)
2577                         if (sp [-1].data.i == 0)
2578                                 THROW_EX (mono_get_exception_divide_by_zero (), ip);
2579                         BINOP_CAST(i, %, guint32);
2580                         MINT_IN_BREAK;
2581                 MINT_IN_CASE(MINT_REM_UN_I8)
2582                         if (sp [-1].data.l == 0)
2583                                 THROW_EX (mono_get_exception_divide_by_zero (), ip);
2584                         BINOP_CAST(l, %, guint64);
2585                         MINT_IN_BREAK;
2586                 MINT_IN_CASE(MINT_AND_I4)
2587                         BINOP(i, &);
2588                         MINT_IN_BREAK;
2589                 MINT_IN_CASE(MINT_AND_I8)
2590                         BINOP(l, &);
2591                         MINT_IN_BREAK;
2592                 MINT_IN_CASE(MINT_OR_I4)
2593                         BINOP(i, |);
2594                         MINT_IN_BREAK;
2595                 MINT_IN_CASE(MINT_OR_I8)
2596                         BINOP(l, |);
2597                         MINT_IN_BREAK;
2598                 MINT_IN_CASE(MINT_XOR_I4)
2599                         BINOP(i, ^);
2600                         MINT_IN_BREAK;
2601                 MINT_IN_CASE(MINT_XOR_I8)
2602                         BINOP(l, ^);
2603                         MINT_IN_BREAK;
2604
2605 #define SHIFTOP(datamem, op) \
2606         --sp; \
2607         sp [-1].data.datamem = sp [-1].data.datamem op sp [0].data.i; \
2608         ++ip;
2609
2610                 MINT_IN_CASE(MINT_SHL_I4)
2611                         SHIFTOP(i, <<);
2612                         MINT_IN_BREAK;
2613                 MINT_IN_CASE(MINT_SHL_I8)
2614                         SHIFTOP(l, <<);
2615                         MINT_IN_BREAK;
2616                 MINT_IN_CASE(MINT_SHR_I4)
2617                         SHIFTOP(i, >>);
2618                         MINT_IN_BREAK;
2619                 MINT_IN_CASE(MINT_SHR_I8)
2620                         SHIFTOP(l, >>);
2621                         MINT_IN_BREAK;
2622                 MINT_IN_CASE(MINT_SHR_UN_I4)
2623                         --sp;
2624                         sp [-1].data.i = (guint32)sp [-1].data.i >> sp [0].data.i;
2625                         ++ip;
2626                         MINT_IN_BREAK;
2627                 MINT_IN_CASE(MINT_SHR_UN_I8)
2628                         --sp;
2629                         sp [-1].data.l = (guint64)sp [-1].data.l >> sp [0].data.i;
2630                         ++ip;
2631                         MINT_IN_BREAK;
2632                 MINT_IN_CASE(MINT_NEG_I4)
2633                         sp [-1].data.i = - sp [-1].data.i;
2634                         ++ip;
2635                         MINT_IN_BREAK;
2636                 MINT_IN_CASE(MINT_NEG_I8)
2637                         sp [-1].data.l = - sp [-1].data.l;
2638                         ++ip;
2639                         MINT_IN_BREAK;
2640                 MINT_IN_CASE(MINT_NEG_R8)
2641                         sp [-1].data.f = - sp [-1].data.f;
2642                         ++ip;
2643                         MINT_IN_BREAK;
2644                 MINT_IN_CASE(MINT_NOT_I4)
2645                         sp [-1].data.i = ~ sp [-1].data.i;
2646                         ++ip;
2647                         MINT_IN_BREAK;
2648                 MINT_IN_CASE(MINT_NOT_I8)
2649                         sp [-1].data.l = ~ sp [-1].data.l;
2650                         ++ip;
2651                         MINT_IN_BREAK;
2652                 MINT_IN_CASE(MINT_CONV_I1_I4)
2653                         sp [-1].data.i = (gint8)sp [-1].data.i;
2654                         ++ip;
2655                         MINT_IN_BREAK;
2656                 MINT_IN_CASE(MINT_CONV_I1_I8)
2657                         sp [-1].data.i = (gint8)sp [-1].data.l;
2658                         ++ip;
2659                         MINT_IN_BREAK;
2660                 MINT_IN_CASE(MINT_CONV_I1_R8)
2661                         sp [-1].data.i = (gint8)sp [-1].data.f;
2662                         ++ip;
2663                         MINT_IN_BREAK;
2664                 MINT_IN_CASE(MINT_CONV_U1_I4)
2665                         sp [-1].data.i = (guint8)sp [-1].data.i;
2666                         ++ip;
2667                         MINT_IN_BREAK;
2668                 MINT_IN_CASE(MINT_CONV_U1_I8)
2669                         sp [-1].data.i = (guint8)sp [-1].data.l;
2670                         ++ip;
2671                         MINT_IN_BREAK;
2672                 MINT_IN_CASE(MINT_CONV_U1_R8)
2673                         sp [-1].data.i = (guint8)sp [-1].data.f;
2674                         ++ip;
2675                         MINT_IN_BREAK;
2676                 MINT_IN_CASE(MINT_CONV_I2_I4)
2677                         sp [-1].data.i = (gint16)sp [-1].data.i;
2678                         ++ip;
2679                         MINT_IN_BREAK;
2680                 MINT_IN_CASE(MINT_CONV_I2_I8)
2681                         sp [-1].data.i = (gint16)sp [-1].data.l;
2682                         ++ip;
2683                         MINT_IN_BREAK;
2684                 MINT_IN_CASE(MINT_CONV_I2_R8)
2685                         sp [-1].data.i = (gint16)sp [-1].data.f;
2686                         ++ip;
2687                         MINT_IN_BREAK;
2688                 MINT_IN_CASE(MINT_CONV_U2_I4)
2689                         sp [-1].data.i = (guint16)sp [-1].data.i;
2690                         ++ip;
2691                         MINT_IN_BREAK;
2692                 MINT_IN_CASE(MINT_CONV_U2_I8)
2693                         sp [-1].data.i = (guint16)sp [-1].data.l;
2694                         ++ip;
2695                         MINT_IN_BREAK;
2696                 MINT_IN_CASE(MINT_CONV_U2_R8)
2697                         sp [-1].data.i = (guint16)sp [-1].data.f;
2698                         ++ip;
2699                         MINT_IN_BREAK;
2700                 MINT_IN_CASE(MINT_CONV_I4_R8)
2701                         sp [-1].data.i = (gint32)sp [-1].data.f;
2702                         ++ip;
2703                         MINT_IN_BREAK;
2704                 MINT_IN_CASE(MINT_CONV_U4_I8)
2705                 MINT_IN_CASE(MINT_CONV_I4_I8)
2706                         sp [-1].data.i = (gint32)sp [-1].data.l;
2707                         ++ip;
2708                         MINT_IN_BREAK;
2709                 MINT_IN_CASE(MINT_CONV_I4_I8_SP)
2710                         sp [-2].data.i = (gint32)sp [-2].data.l;
2711                         ++ip;
2712                         MINT_IN_BREAK;
2713                 MINT_IN_CASE(MINT_CONV_U4_R8)
2714                         sp [-1].data.i = (guint32)sp [-1].data.f;
2715                         ++ip;
2716                         MINT_IN_BREAK;
2717                 MINT_IN_CASE(MINT_CONV_I8_I4)
2718                         sp [-1].data.l = sp [-1].data.i;
2719                         ++ip;
2720                         MINT_IN_BREAK;
2721                 MINT_IN_CASE(MINT_CONV_I8_I4_SP)
2722                         sp [-2].data.l = sp [-2].data.i;
2723                         ++ip;
2724                         MINT_IN_BREAK;
2725                 MINT_IN_CASE(MINT_CONV_I8_U4)
2726                         sp [-1].data.l = (guint32)sp [-1].data.i;
2727                         ++ip;
2728                         MINT_IN_BREAK;
2729                 MINT_IN_CASE(MINT_CONV_I8_R8)
2730                         sp [-1].data.l = (gint64)sp [-1].data.f;
2731                         ++ip;
2732                         MINT_IN_BREAK;
2733                 MINT_IN_CASE(MINT_CONV_R4_I4)
2734                         sp [-1].data.f = (float)sp [-1].data.i;
2735                         ++ip;
2736                         MINT_IN_BREAK;
2737                 MINT_IN_CASE(MINT_CONV_R4_I8)
2738                         sp [-1].data.f = (float)sp [-1].data.l;
2739                         ++ip;
2740                         MINT_IN_BREAK;
2741                 MINT_IN_CASE(MINT_CONV_R4_R8)
2742                         sp [-1].data.f = (float)sp [-1].data.f;
2743                         ++ip;
2744                         MINT_IN_BREAK;
2745                 MINT_IN_CASE(MINT_CONV_R8_I4)
2746                         sp [-1].data.f = (double)sp [-1].data.i;
2747                         ++ip;
2748                         MINT_IN_BREAK;
2749                 MINT_IN_CASE(MINT_CONV_R8_I8)
2750                         sp [-1].data.f = (double)sp [-1].data.l;
2751                         ++ip;
2752                         MINT_IN_BREAK;
2753                 MINT_IN_CASE(MINT_CONV_U8_I4)
2754                         sp [-1].data.l = sp [-1].data.i & 0xffffffff;
2755                         ++ip;
2756                         MINT_IN_BREAK;
2757                 MINT_IN_CASE(MINT_CONV_U8_R8)
2758                         sp [-1].data.l = (guint64)sp [-1].data.f;
2759                         ++ip;
2760                         MINT_IN_BREAK;
2761                 MINT_IN_CASE(MINT_CPOBJ) {
2762                         c = rtm->data_items[* (guint16 *)(ip + 1)];
2763                         g_assert (c->byval_arg.type == MONO_TYPE_VALUETYPE);
2764                         stackval_from_data (&c->byval_arg, &sp [-2], sp [-1].data.p, FALSE);
2765                         ip += 2;
2766                         sp -= 2;
2767                         MINT_IN_BREAK;
2768                 }
2769                 MINT_IN_CASE(MINT_LDOBJ) {
2770                         void *p;
2771                         c = rtm->data_items[* (guint16 *)(ip + 1)];
2772                         ip += 2;
2773                         p = sp [-1].data.p;
2774                         if (c->byval_arg.type == MONO_TYPE_VALUETYPE && !c->enumtype) {
2775                                 int size = mono_class_value_size (c, NULL);
2776                                 sp [-1].data.p = vt_sp;
2777                                 vt_sp += (size + 7) & ~7;
2778                         }
2779                         stackval_from_data (&c->byval_arg, &sp [-1], p, FALSE);
2780                         MINT_IN_BREAK;
2781                 }
2782                 MINT_IN_CASE(MINT_LDSTR)
2783                         sp->data.p = rtm->data_items [* (guint16 *)(ip + 1)];
2784                         ++sp;
2785                         ip += 2;
2786                         MINT_IN_BREAK;
2787                 MINT_IN_CASE(MINT_NEWOBJ) {
2788                         MonoClass *newobj_class;
2789                         MonoMethodSignature *csig;
2790                         stackval valuetype_this;
2791                         guint32 token;
2792                         stackval retval;
2793
2794                         frame->ip = ip;
2795
2796                         token = * (guint16 *)(ip + 1);
2797                         ip += 2;
2798
2799                         child_frame.ip = NULL;
2800                         child_frame.ex = NULL;
2801
2802                         child_frame.runtime_method = rtm->data_items [token];
2803                         csig = mono_method_signature (child_frame.runtime_method->method);
2804                         newobj_class = child_frame.runtime_method->method->klass;
2805                         /*if (profiling_classes) {
2806                                 guint count = GPOINTER_TO_UINT (g_hash_table_lookup (profiling_classes, newobj_class));
2807                                 count++;
2808                                 g_hash_table_insert (profiling_classes, newobj_class, GUINT_TO_POINTER (count));
2809                         }*/
2810
2811                         if (newobj_class->parent == mono_defaults.array_class) {
2812                                 sp -= csig->param_count;
2813                                 child_frame.stack_args = sp;
2814                                 o = ves_array_create (&child_frame, context->domain, newobj_class, csig, sp);
2815                                 if (child_frame.ex)
2816                                         THROW_EX (child_frame.ex, ip);
2817                                 goto array_constructed;
2818                         }
2819
2820                         g_assert (csig->hasthis);
2821                         if (csig->param_count) {
2822                                 sp -= csig->param_count;
2823                                 memmove (sp + 1, sp, csig->param_count * sizeof (stackval));
2824                         }
2825                         child_frame.stack_args = sp;
2826
2827                         /*
2828                          * First arg is the object.
2829                          */
2830                         if (newobj_class->valuetype) {
2831                                 MonoType *t = &newobj_class->byval_arg;
2832                                 memset (&valuetype_this, 0, sizeof (stackval));
2833                                 if (!newobj_class->enumtype && (t->type == MONO_TYPE_VALUETYPE || (t->type == MONO_TYPE_GENERICINST && mono_type_generic_inst_is_valuetype (t)))) {
2834                                         sp->data.p = vt_sp;
2835                                         valuetype_this.data.p = vt_sp;
2836                                 } else {
2837                                         sp->data.p = &valuetype_this;
2838                                 }
2839                         } else {
2840                                 if (newobj_class != mono_defaults.string_class) {
2841                                         context->managed_code = 0;
2842                                         o = mono_object_new_checked (context->domain, newobj_class, &error);
2843                                         mono_error_cleanup (&error); /* FIXME: don't swallow the error */
2844                                         context->managed_code = 1;
2845                                         if (*mono_thread_interruption_request_flag ())
2846                                                 mono_thread_interruption_checkpoint ();
2847                                         sp->data.p = o;
2848                                 } else {
2849                                         sp->data.p = NULL;
2850                                         child_frame.retval = &retval;
2851                                 }
2852                         }
2853
2854                         g_assert (csig->call_convention == MONO_CALL_DEFAULT);
2855
2856                         ves_exec_method_with_context (&child_frame, context);
2857
2858                         context->current_frame = frame;
2859
2860                         if (child_frame.ex) {
2861                                 /*
2862                                  * An exception occurred, need to run finally, fault and catch handlers..
2863                                  */
2864                                 frame->ex = child_frame.ex;
2865                                 goto handle_finally;
2866                         }
2867                         /*
2868                          * a constructor returns void, but we need to return the object we created
2869                          */
2870 array_constructed:
2871                         if (newobj_class->valuetype && !newobj_class->enumtype) {
2872                                 *sp = valuetype_this;
2873                         } else if (newobj_class == mono_defaults.string_class) {
2874                                 *sp = retval;
2875                         } else {
2876                                 sp->data.p = o;
2877                         }
2878                         ++sp;
2879                         MINT_IN_BREAK;
2880                 }
2881                 MINT_IN_CASE(MINT_CASTCLASS)
2882                         c = rtm->data_items [*(guint16 *)(ip + 1)];
2883                         if ((o = sp [-1].data.p)) {
2884                                 MonoObject *isinst_obj = mono_object_isinst_checked (o, c, &error);
2885                                 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
2886                                 if (!isinst_obj)
2887                                         THROW_EX (mono_get_exception_invalid_cast (), ip);
2888                         }
2889                         ip += 2;
2890                         MINT_IN_BREAK;
2891                 MINT_IN_CASE(MINT_ISINST)
2892                         c = rtm->data_items [*(guint16 *)(ip + 1)];
2893                         if ((o = sp [-1].data.p)) {
2894                                 MonoObject *isinst_obj = mono_object_isinst_checked (o, c, &error);
2895                                 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
2896                                 if (!isinst_obj)
2897                                         sp [-1].data.p = NULL;
2898                         }
2899                         ip += 2;
2900                         MINT_IN_BREAK;
2901                 MINT_IN_CASE(MINT_CONV_R_UN_I4)
2902                         sp [-1].data.f = (double)(guint32)sp [-1].data.i;
2903                         ++ip;
2904                         MINT_IN_BREAK;
2905                 MINT_IN_CASE(MINT_CONV_R_UN_I8)
2906                         sp [-1].data.f = (double)(guint64)sp [-1].data.l;
2907                         ++ip;
2908                         MINT_IN_BREAK;
2909                 MINT_IN_CASE(MINT_UNBOX)
2910                         c = rtm->data_items[*(guint16 *)(ip + 1)];
2911
2912                         o = sp [-1].data.p;
2913                         if (!o)
2914                                 THROW_EX (mono_get_exception_null_reference (), ip);
2915
2916                         MonoObject *isinst_obj = mono_object_isinst_checked (o, c, &error);
2917                         mono_error_cleanup (&error); /* FIXME: don't swallow the error */
2918                         if (!(isinst_obj || ((o->vtable->klass->rank == 0) && (o->vtable->klass->element_class == c->element_class))))
2919                                 THROW_EX (mono_get_exception_invalid_cast (), ip);
2920
2921                         sp [-1].data.p = mono_object_unbox (o);
2922                         ip += 2;
2923                         MINT_IN_BREAK;
2924                 MINT_IN_CASE(MINT_THROW)
2925                         --sp;
2926                         frame->ex_handler = NULL;
2927                         if (!sp->data.p)
2928                                 sp->data.p = mono_get_exception_null_reference ();
2929                         THROW_EX ((MonoException *)sp->data.p, ip);
2930                         MINT_IN_BREAK;
2931                 MINT_IN_CASE(MINT_LDFLDA_UNSAFE)
2932                         o = sp [-1].data.p;
2933                         sp[-1].data.p = (char *)o + * (guint16 *)(ip + 1);
2934                         ip += 2;
2935                         MINT_IN_BREAK;
2936                 MINT_IN_CASE(MINT_LDFLDA)
2937                         o = sp [-1].data.p;
2938                         if (!o)
2939                                 THROW_EX (mono_get_exception_null_reference (), ip);
2940                         sp[-1].data.p = (char *)o + * (guint16 *)(ip + 1);
2941                         ip += 2;
2942                         MINT_IN_BREAK;
2943                 MINT_IN_CASE(MINT_CKNULL)
2944                         o = sp [-1].data.p;
2945                         if (!o)
2946                                 THROW_EX (mono_get_exception_null_reference (), ip);
2947                         ++ip;
2948                         MINT_IN_BREAK;
2949
2950 #define LDFLD(datamem, fieldtype) \
2951         o = sp [-1].data.p; \
2952         if (!o) \
2953                 THROW_EX (mono_get_exception_null_reference (), ip); \
2954         sp[-1].data.datamem = * (fieldtype *)((char *)o + * (guint16 *)(ip + 1)) ; \
2955         ip += 2;
2956
2957                 MINT_IN_CASE(MINT_LDFLD_I1) LDFLD(i, gint8); MINT_IN_BREAK;
2958                 MINT_IN_CASE(MINT_LDFLD_U1) LDFLD(i, guint8); MINT_IN_BREAK;
2959                 MINT_IN_CASE(MINT_LDFLD_I2) LDFLD(i, gint16); MINT_IN_BREAK;
2960                 MINT_IN_CASE(MINT_LDFLD_U2) LDFLD(i, guint16); MINT_IN_BREAK;
2961                 MINT_IN_CASE(MINT_LDFLD_I4) LDFLD(i, gint32); MINT_IN_BREAK;
2962                 MINT_IN_CASE(MINT_LDFLD_I8) LDFLD(l, gint64); MINT_IN_BREAK;
2963                 MINT_IN_CASE(MINT_LDFLD_R4) LDFLD(f, float); MINT_IN_BREAK;
2964                 MINT_IN_CASE(MINT_LDFLD_R8) LDFLD(f, double); MINT_IN_BREAK;
2965                 MINT_IN_CASE(MINT_LDFLD_O) LDFLD(p, gpointer); MINT_IN_BREAK;
2966                 MINT_IN_CASE(MINT_LDFLD_P) LDFLD(p, gpointer); MINT_IN_BREAK;
2967
2968                 MINT_IN_CASE(MINT_LDFLD_VT)
2969                         o = sp [-1].data.p;
2970                         if (!o)
2971                                 THROW_EX (mono_get_exception_null_reference (), ip);
2972                         i32 = READ32(ip + 2);
2973                         sp [-1].data.p = vt_sp;
2974                         memcpy(sp [-1].data.p, (char *)o + * (guint16 *)(ip + 1), i32);
2975                         vt_sp += (i32 + 7) & ~7;
2976                         ip += 4;
2977                         MINT_IN_BREAK;
2978
2979                 MINT_IN_CASE(MINT_LDRMFLD) {
2980                         gpointer tmp;
2981                         MonoClassField *field;
2982                         char *addr;
2983
2984                         o = sp [-1].data.p;
2985                         if (!o)
2986                                 THROW_EX (mono_get_exception_null_reference (), ip);
2987                         field = rtm->data_items[* (guint16 *)(ip + 1)];
2988                         ip += 2;
2989                         if (mono_object_is_transparent_proxy (o)) {
2990                                 MonoClass *klass = ((MonoTransparentProxy*)o)->remote_class->proxy_class;
2991
2992                                 addr = mono_load_remote_field_checked (o, klass, field, &tmp, &error);
2993                                 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
2994                         } else {
2995                                 addr = (char*)o + field->offset;
2996                         }
2997
2998                         stackval_from_data (field->type, &sp [-1], addr, FALSE);
2999                         MINT_IN_BREAK;
3000                 }
3001
3002                 MINT_IN_CASE(MINT_LDRMFLD_VT) {
3003                         MonoClassField *field;
3004                         char *addr;
3005                         gpointer tmp;
3006
3007                         o = sp [-1].data.p;
3008                         if (!o)
3009                                 THROW_EX (mono_get_exception_null_reference (), ip);
3010                         field = rtm->data_items[* (guint16 *)(ip + 1)];
3011                         i32 = READ32(ip + 2);
3012                         ip += 4;
3013                         if (mono_object_is_transparent_proxy (o)) {
3014                                 MonoClass *klass = ((MonoTransparentProxy*)o)->remote_class->proxy_class;
3015                                 addr = mono_load_remote_field_checked (o, klass, field, &tmp, &error);
3016                                 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
3017                         } else {
3018                                 addr = (char*)o + field->offset;
3019                         }
3020
3021                         sp [-1].data.p = vt_sp;
3022                         memcpy(sp [-1].data.p, (char *)o + * (guint16 *)(ip + 1), i32);
3023                         vt_sp += (i32 + 7) & ~7;
3024                         memcpy(sp [-1].data.p, addr, i32);
3025                         MINT_IN_BREAK;
3026                 }
3027
3028 #define STFLD(datamem, fieldtype) \
3029         o = sp [-2].data.p; \
3030         if (!o) \
3031                 THROW_EX (mono_get_exception_null_reference (), ip); \
3032         sp -= 2; \
3033         * (fieldtype *)((char *)o + * (guint16 *)(ip + 1)) = sp[1].data.datamem; \
3034         ip += 2;
3035
3036                 MINT_IN_CASE(MINT_STFLD_I1) STFLD(i, gint8); MINT_IN_BREAK;
3037                 MINT_IN_CASE(MINT_STFLD_U1) STFLD(i, guint8); MINT_IN_BREAK;
3038                 MINT_IN_CASE(MINT_STFLD_I2) STFLD(i, gint16); MINT_IN_BREAK;
3039                 MINT_IN_CASE(MINT_STFLD_U2) STFLD(i, guint16); MINT_IN_BREAK;
3040                 MINT_IN_CASE(MINT_STFLD_I4) STFLD(i, gint32); MINT_IN_BREAK;
3041                 MINT_IN_CASE(MINT_STFLD_I8) STFLD(l, gint64); MINT_IN_BREAK;
3042                 MINT_IN_CASE(MINT_STFLD_R4) STFLD(f, float); MINT_IN_BREAK;
3043                 MINT_IN_CASE(MINT_STFLD_R8) STFLD(f, double); MINT_IN_BREAK;
3044                 MINT_IN_CASE(MINT_STFLD_O) STFLD(p, gpointer); MINT_IN_BREAK;
3045                 MINT_IN_CASE(MINT_STFLD_P) STFLD(p, gpointer); MINT_IN_BREAK;
3046
3047                 MINT_IN_CASE(MINT_STFLD_VT)
3048                         o = sp [-2].data.p;
3049                         if (!o)
3050                                 THROW_EX (mono_get_exception_null_reference (), ip);
3051                         i32 = READ32(ip + 2);
3052                         sp -= 2;
3053                         memcpy((char *)o + * (guint16 *)(ip + 1), sp [1].data.p, i32);
3054                         vt_sp -= (i32 + 7) & ~7;
3055                         ip += 4;
3056                         MINT_IN_BREAK;
3057
3058                 MINT_IN_CASE(MINT_STRMFLD) {
3059                         MonoClassField *field;
3060
3061                         o = sp [-2].data.p;
3062                         if (!o)
3063                                 THROW_EX (mono_get_exception_null_reference (), ip);
3064
3065                         field = rtm->data_items[* (guint16 *)(ip + 1)];
3066                         ip += 2;
3067
3068                         if (mono_object_is_transparent_proxy (o)) {
3069                                 MonoClass *klass = ((MonoTransparentProxy*)o)->remote_class->proxy_class;
3070                                 mono_store_remote_field_checked (o, klass, field, &sp [-1].data, &error);
3071                                 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
3072                         } else
3073                                 stackval_to_data (field->type, &sp [-1], (char*)o + field->offset, FALSE);
3074
3075                         sp -= 2;
3076                         MINT_IN_BREAK;
3077                 }
3078                 MINT_IN_CASE(MINT_STRMFLD_VT) {
3079                         MonoClassField *field;
3080
3081                         o = sp [-2].data.p;
3082                         if (!o)
3083                                 THROW_EX (mono_get_exception_null_reference (), ip);
3084                         field = rtm->data_items[* (guint16 *)(ip + 1)];
3085                         i32 = READ32(ip + 2);
3086                         ip += 4;
3087
3088                         if (mono_object_is_transparent_proxy (o)) {
3089                                 MonoClass *klass = ((MonoTransparentProxy*)o)->remote_class->proxy_class;
3090                                 mono_store_remote_field_checked (o, klass, field, &sp [-1].data, &error);
3091                                 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
3092                         } else
3093                                 memcpy((char*)o + field->offset, sp [-1].data.p, i32);
3094
3095                         sp -= 2;
3096                         vt_sp -= (i32 + 7) & ~7;
3097                         MINT_IN_BREAK;
3098                 }
3099                 MINT_IN_CASE(MINT_LDSFLDA) {
3100                         MonoClassField *field = rtm->data_items[*(guint16 *)(ip + 1)];
3101                         sp->data.p = mono_class_static_field_address (context->domain, field);
3102                         ip += 2;
3103                         ++sp;
3104                         MINT_IN_BREAK;
3105                 }
3106                 MINT_IN_CASE(MINT_LDSFLD) {
3107                         MonoClassField *field = rtm->data_items [* (guint16 *)(ip + 1)];
3108                         gpointer addr = mono_class_static_field_address (context->domain, field);
3109                         stackval_from_data (field->type, sp, addr, FALSE);
3110                         ip += 2;
3111                         ++sp;
3112                         MINT_IN_BREAK;
3113                 }
3114                 MINT_IN_CASE(MINT_LDSFLD_VT) {
3115                         MonoClassField *field = rtm->data_items [* (guint16 *)(ip + 1)];
3116                         gpointer addr = mono_class_static_field_address (context->domain, field);
3117                         int size = READ32 (ip + 2);
3118                         ip += 4;
3119
3120                         sp->data.p = vt_sp;
3121                         vt_sp += (size + 7) & ~7;
3122                         stackval_from_data (field->type, sp, addr, FALSE);
3123                         ++sp;
3124                         MINT_IN_BREAK;
3125                 }
3126                 MINT_IN_CASE(MINT_STSFLD) {
3127                         MonoClassField *field = rtm->data_items [* (guint16 *)(ip + 1)];
3128                         gpointer addr = mono_class_static_field_address (context->domain, field);
3129                         ip += 2;
3130                         --sp;
3131                         stackval_to_data (field->type, sp, addr, FALSE);
3132                         MINT_IN_BREAK;
3133                 }
3134                 MINT_IN_CASE(MINT_STSFLD_VT) {
3135                         MonoClassField *field = rtm->data_items [* (guint16 *)(ip + 1)];
3136                         gpointer addr = mono_class_static_field_address (context->domain, field);
3137                         int size = READ32 (ip + 2);
3138                         ip += 4;
3139
3140                         --sp;
3141                         stackval_to_data (field->type, sp, addr, FALSE);
3142                         vt_sp -= (size + 7) & ~7;
3143                         MINT_IN_BREAK;
3144                 }
3145                 MINT_IN_CASE(MINT_STOBJ_VT) {
3146                         int size;
3147                         c = rtm->data_items[* (guint16 *)(ip + 1)];
3148                         ip += 2;
3149                         size = mono_class_value_size (c, NULL);
3150                         memcpy(sp [-2].data.p, sp [-1].data.p, size);
3151                         vt_sp -= (size + 7) & ~7;
3152                         sp -= 2;
3153                         MINT_IN_BREAK;
3154                 }
3155                 MINT_IN_CASE(MINT_STOBJ) {
3156                         int size;
3157                         c = rtm->data_items[* (guint16 *)(ip + 1)];
3158                         ip += 2;
3159                         size = mono_class_value_size (c, NULL);
3160                         memcpy(sp [-2].data.p, &sp [-1].data, size);
3161                         sp -= 2;
3162                         MINT_IN_BREAK;
3163                 }
3164                 MINT_IN_CASE(MINT_CONV_OVF_I4_UN_R8)
3165                         if (sp [-1].data.f < 0 || sp [-1].data.f > MYGUINT32_MAX)
3166                                 THROW_EX (mono_get_exception_overflow (), ip);
3167                         sp [-1].data.i = (guint32)sp [-1].data.f;
3168                         ++ip;
3169                         MINT_IN_BREAK;
3170                 MINT_IN_CASE(MINT_CONV_OVF_U8_I4)
3171                         if (sp [-1].data.i < 0)
3172                                 THROW_EX (mono_get_exception_overflow (), ip);
3173                         sp [-1].data.l = sp [-1].data.i;
3174                         ++ip;
3175                         MINT_IN_BREAK;
3176                 MINT_IN_CASE(MINT_CONV_OVF_U8_I8)
3177                         if (sp [-1].data.l < 0)
3178                                 THROW_EX (mono_get_exception_overflow (), ip);
3179                         ++ip;
3180                         MINT_IN_BREAK;
3181                 MINT_IN_CASE(MINT_CONV_OVF_I8_U8)
3182                         if ((guint64) sp [-1].data.l > MYGINT64_MAX)
3183                                 THROW_EX (mono_get_exception_overflow (), ip);
3184                         ++ip;
3185                         MINT_IN_BREAK;
3186                 MINT_IN_CASE(MINT_CONV_OVF_U8_R8)
3187                 MINT_IN_CASE(MINT_CONV_OVF_I8_UN_R8)
3188                         if (sp [-1].data.f < 0 || sp [-1].data.f > MYGINT64_MAX)
3189                                 THROW_EX (mono_get_exception_overflow (), ip);
3190                         sp [-1].data.l = (guint64)sp [-1].data.f;
3191                         ++ip;
3192                         MINT_IN_BREAK;
3193                 MINT_IN_CASE(MINT_CONV_OVF_I8_R8)
3194                         if (sp [-1].data.f < MYGINT64_MIN || sp [-1].data.f > MYGINT64_MAX)
3195                                 THROW_EX (mono_get_exception_overflow (), ip);
3196                         sp [-1].data.l = (gint64)sp [-1].data.f;
3197                         ++ip;
3198                         MINT_IN_BREAK;
3199                 MINT_IN_CASE(MINT_CONV_OVF_I4_UN_I8)
3200                         if ((mono_u)sp [-1].data.l > MYGUINT32_MAX)
3201                                 THROW_EX (mono_get_exception_overflow (), ip);
3202                         sp [-1].data.i = (mono_u)sp [-1].data.l;
3203                         ++ip;
3204                         MINT_IN_BREAK;
3205                 MINT_IN_CASE(MINT_BOX) {
3206                         c = rtm->data_items [* (guint16 *)(ip + 1)];
3207                         guint16 offset = * (guint16 *)(ip + 2);
3208
3209                         if (c->byval_arg.type == MONO_TYPE_VALUETYPE && !c->enumtype) {
3210                                 int size = mono_class_value_size (c, NULL);
3211                                 sp [-1 - offset].data.p = mono_value_box_checked (context->domain, c, sp [-1 - offset].data.p, &error);
3212                                 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
3213                                 size = (size + 7) & ~7;
3214                                 vt_sp -= size;
3215                         } else {
3216                                 stackval_to_data (&c->byval_arg, &sp [-1 - offset], (char *) &sp [-1 - offset], FALSE);
3217                                 sp [-1 - offset].data.p = mono_value_box_checked (context->domain, c, &sp [-1 - offset], &error);
3218                                 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
3219                         }
3220                         ip += 3;
3221                         MINT_IN_BREAK;
3222                 }
3223                 MINT_IN_CASE(MINT_NEWARR)
3224                         sp [-1].data.p = (MonoObject*) mono_array_new_checked (context->domain, rtm->data_items[*(guint16 *)(ip + 1)], sp [-1].data.i, &error);
3225                         if (!mono_error_ok (&error)) {
3226                                 THROW_EX (mono_error_convert_to_exception (&error), ip);
3227                         }
3228                         mono_error_cleanup (&error); /* FIXME: don't swallow the error */
3229                         ip += 2;
3230                         /*if (profiling_classes) {
3231                                 guint count = GPOINTER_TO_UINT (g_hash_table_lookup (profiling_classes, o->vtable->klass));
3232                                 count++;
3233                                 g_hash_table_insert (profiling_classes, o->vtable->klass, GUINT_TO_POINTER (count));
3234                         }*/
3235
3236                         MINT_IN_BREAK;
3237                 MINT_IN_CASE(MINT_LDLEN)
3238                         o = sp [-1].data.p;
3239                         if (!o)
3240                                 THROW_EX (mono_get_exception_null_reference (), ip);
3241                         sp [-1].data.nati = mono_array_length ((MonoArray *)o);
3242                         ++ip;
3243                         MINT_IN_BREAK;
3244                 MINT_IN_CASE(MINT_GETCHR) {
3245                         MonoString *s;
3246                         s = sp [-2].data.p;
3247                         if (!s)
3248                                 THROW_EX (mono_get_exception_null_reference (), ip);
3249                         i32 = sp [-1].data.i;
3250                         if (i32 < 0 || i32 >= mono_string_length (s))
3251                                 THROW_EX (mono_get_exception_index_out_of_range (), ip);
3252                         --sp;
3253                         sp [-1].data.i = mono_string_chars(s)[i32];
3254                         ++ip;
3255                         MINT_IN_BREAK;
3256                 }
3257                 MINT_IN_CASE(MINT_STRLEN)
3258                         ++ip;
3259                         sp [-1].data.i = mono_string_length ((MonoString*)sp [-1].data.p);
3260                         MINT_IN_BREAK;
3261                 MINT_IN_CASE(MINT_ARRAY_RANK)
3262                         o = sp [-1].data.p;
3263                         if (!o)
3264                                 THROW_EX (mono_get_exception_null_reference (), ip);
3265                         sp [-1].data.i = mono_object_class (sp [-1].data.p)->rank;
3266                         ip++;
3267                         MINT_IN_BREAK;
3268                 MINT_IN_CASE(MINT_LDELEMA)
3269                 MINT_IN_CASE(MINT_LDELEMA_TC) {
3270                         gboolean needs_typecheck = *ip == MINT_LDELEMA_TC;
3271
3272                         MonoClass *klass = rtm->data_items [*(guint16 *) (ip + 1)];
3273                         guint16 numargs = *(guint16 *) (ip + 2);
3274                         ip += 3;
3275                         sp -= numargs;
3276
3277                         o = sp [0].data.p;
3278                         sp->data.p = ves_array_element_address (frame, klass, (MonoArray *) o, &sp [1], needs_typecheck);
3279                         if (frame->ex)
3280                                 THROW_EX (frame->ex, ip);
3281                         ++sp;
3282
3283                         MINT_IN_BREAK;
3284                 }
3285                 MINT_IN_CASE(MINT_LDELEM_I1) /* fall through */
3286                 MINT_IN_CASE(MINT_LDELEM_U1) /* fall through */
3287                 MINT_IN_CASE(MINT_LDELEM_I2) /* fall through */
3288                 MINT_IN_CASE(MINT_LDELEM_U2) /* fall through */
3289                 MINT_IN_CASE(MINT_LDELEM_I4) /* fall through */
3290                 MINT_IN_CASE(MINT_LDELEM_U4) /* fall through */
3291                 MINT_IN_CASE(MINT_LDELEM_I8)  /* fall through */
3292                 MINT_IN_CASE(MINT_LDELEM_I)  /* fall through */
3293                 MINT_IN_CASE(MINT_LDELEM_R4) /* fall through */
3294                 MINT_IN_CASE(MINT_LDELEM_R8) /* fall through */
3295                 MINT_IN_CASE(MINT_LDELEM_REF) /* fall through */
3296                 MINT_IN_CASE(MINT_LDELEM_VT) {
3297                         MonoArray *o;
3298                         mono_u aindex;
3299
3300                         sp -= 2;
3301
3302                         o = sp [0].data.p;
3303                         if (!o)
3304                                 THROW_EX (mono_get_exception_null_reference (), ip);
3305
3306                         aindex = sp [1].data.i;
3307                         if (aindex >= mono_array_length (o))
3308                                 THROW_EX (mono_get_exception_index_out_of_range (), ip);
3309
3310                         /*
3311                          * FIXME: throw mono_get_exception_array_type_mismatch () if needed
3312                          */
3313                         switch (*ip) {
3314                         case MINT_LDELEM_I1:
3315                                 sp [0].data.i = mono_array_get (o, gint8, aindex);
3316                                 break;
3317                         case MINT_LDELEM_U1:
3318                                 sp [0].data.i = mono_array_get (o, guint8, aindex);
3319                                 break;
3320                         case MINT_LDELEM_I2:
3321                                 sp [0].data.i = mono_array_get (o, gint16, aindex);
3322                                 break;
3323                         case MINT_LDELEM_U2:
3324                                 sp [0].data.i = mono_array_get (o, guint16, aindex);
3325                                 break;
3326                         case MINT_LDELEM_I:
3327                                 sp [0].data.nati = mono_array_get (o, mono_i, aindex);
3328                                 break;
3329                         case MINT_LDELEM_I4:
3330                                 sp [0].data.i = mono_array_get (o, gint32, aindex);
3331                                 break;
3332                         case MINT_LDELEM_U4:
3333                                 sp [0].data.i = mono_array_get (o, guint32, aindex);
3334                                 break;
3335                         case MINT_LDELEM_I8:
3336                                 sp [0].data.l = mono_array_get (o, guint64, aindex);
3337                                 break;
3338                         case MINT_LDELEM_R4:
3339                                 sp [0].data.f = mono_array_get (o, float, aindex);
3340                                 break;
3341                         case MINT_LDELEM_R8:
3342                                 sp [0].data.f = mono_array_get (o, double, aindex);
3343                                 break;
3344                         case MINT_LDELEM_REF:
3345                                 sp [0].data.p = mono_array_get (o, gpointer, aindex);
3346                                 break;
3347                         case MINT_LDELEM_VT: {
3348                                 MonoClass *klass_vt = rtm->data_items [*(guint16 *) (ip + 1)];
3349                                 i32 = READ32 (ip + 2);
3350                                 char *src_addr = mono_array_addr_with_size ((MonoArray *) o, i32, aindex);
3351                                 sp [0].data.vt = vt_sp;
3352                                 stackval_from_data (&klass_vt->byval_arg, sp, src_addr, FALSE);
3353                                 vt_sp += (i32 + 7) & ~7;
3354                                 ip += 3;
3355                                 break;
3356                         }
3357                         default:
3358                                 ves_abort();
3359                         }
3360
3361                         ++ip;
3362                         ++sp;
3363                         MINT_IN_BREAK;
3364                 }
3365                 MINT_IN_CASE(MINT_STELEM_I)  /* fall through */
3366                 MINT_IN_CASE(MINT_STELEM_I1) /* fall through */
3367                 MINT_IN_CASE(MINT_STELEM_U1) /* fall through */
3368                 MINT_IN_CASE(MINT_STELEM_I2) /* fall through */
3369                 MINT_IN_CASE(MINT_STELEM_I4) /* fall through */
3370                 MINT_IN_CASE(MINT_STELEM_I8) /* fall through */
3371                 MINT_IN_CASE(MINT_STELEM_R4) /* fall through */
3372                 MINT_IN_CASE(MINT_STELEM_R8) /* fall through */
3373                 MINT_IN_CASE(MINT_STELEM_REF) /* fall through */
3374                 MINT_IN_CASE(MINT_STELEM_VT) {
3375                         mono_u aindex;
3376
3377                         sp -= 3;
3378
3379                         o = sp [0].data.p;
3380                         if (!o)
3381                                 THROW_EX (mono_get_exception_null_reference (), ip);
3382
3383                         aindex = sp [1].data.i;
3384                         if (aindex >= mono_array_length ((MonoArray *)o))
3385                                 THROW_EX (mono_get_exception_index_out_of_range (), ip);
3386
3387                         switch (*ip) {
3388                         case MINT_STELEM_I:
3389                                 mono_array_set ((MonoArray *)o, mono_i, aindex, sp [2].data.nati);
3390                                 break;
3391                         case MINT_STELEM_I1:
3392                                 mono_array_set ((MonoArray *)o, gint8, aindex, sp [2].data.i);
3393                                 break;
3394                         case MINT_STELEM_U1:
3395                                 mono_array_set ((MonoArray *) o, guint8, aindex, sp [2].data.i);
3396                                 break;
3397                         case MINT_STELEM_I2:
3398                                 mono_array_set ((MonoArray *)o, gint16, aindex, sp [2].data.i);
3399                                 break;
3400                         case MINT_STELEM_I4:
3401                                 mono_array_set ((MonoArray *)o, gint32, aindex, sp [2].data.i);
3402                                 break;
3403                         case MINT_STELEM_I8:
3404                                 mono_array_set ((MonoArray *)o, gint64, aindex, sp [2].data.l);
3405                                 break;
3406                         case MINT_STELEM_R4:
3407                                 mono_array_set ((MonoArray *)o, float, aindex, sp [2].data.f);
3408                                 break;
3409                         case MINT_STELEM_R8:
3410                                 mono_array_set ((MonoArray *)o, double, aindex, sp [2].data.f);
3411                                 break;
3412                         case MINT_STELEM_REF: {
3413                                 MonoObject *isinst_obj = mono_object_isinst_checked (sp [2].data.p, mono_object_class (o)->element_class, &error);
3414                                 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
3415                                 if (sp [2].data.p && !isinst_obj)
3416                                         THROW_EX (mono_get_exception_array_type_mismatch (), ip);
3417                                 mono_array_set ((MonoArray *)o, gpointer, aindex, sp [2].data.p);
3418                                 break;
3419                         }
3420                         case MINT_STELEM_VT: {
3421                                 MonoClass *klass_vt = rtm->data_items [*(guint16 *) (ip + 1)];
3422                                 i32 = READ32 (ip + 2);
3423                                 char *dst_addr = mono_array_addr_with_size ((MonoArray *) o, i32, aindex);
3424
3425                                 stackval_to_data (&klass_vt->byval_arg, &sp [2], dst_addr, FALSE);
3426                                 vt_sp -= (i32 + 7) & ~7;
3427                                 ip += 3;
3428                                 break;
3429                         }
3430                         default:
3431                                 ves_abort();
3432                         }
3433
3434                         ++ip;
3435                         MINT_IN_BREAK;
3436                 }
3437                 MINT_IN_CASE(MINT_CONV_OVF_I4_U4)
3438                         if (sp [-1].data.i < 0)
3439                                 THROW_EX (mono_get_exception_overflow (), ip);
3440                         ++ip;
3441                         MINT_IN_BREAK;
3442                 MINT_IN_CASE(MINT_CONV_OVF_I4_I8)
3443                         if (sp [-1].data.l < MYGINT32_MIN || sp [-1].data.l > MYGINT32_MAX)
3444                                 THROW_EX (mono_get_exception_overflow (), ip);
3445                         sp [-1].data.i = (gint32) sp [-1].data.l;
3446                         ++ip;
3447                         MINT_IN_BREAK;
3448                 MINT_IN_CASE(MINT_CONV_OVF_I4_U8)
3449                         if (sp [-1].data.l < 0 || sp [-1].data.l > MYGINT32_MAX)
3450                                 THROW_EX (mono_get_exception_overflow (), ip);
3451                         sp [-1].data.i = (gint32) sp [-1].data.l;
3452                         ++ip;
3453                         MINT_IN_BREAK;
3454                 MINT_IN_CASE(MINT_CONV_OVF_I4_R8)
3455                         if (sp [-1].data.f < MYGINT32_MIN || sp [-1].data.f > MYGINT32_MAX)
3456                                 THROW_EX (mono_get_exception_overflow (), ip);
3457                         sp [-1].data.i = (gint32) sp [-1].data.f;
3458                         ++ip;
3459                         MINT_IN_BREAK;
3460                 MINT_IN_CASE(MINT_CONV_OVF_U4_I4)
3461                         if (sp [-1].data.i < 0)
3462                                 THROW_EX (mono_get_exception_overflow (), ip);
3463                         ++ip;
3464                         MINT_IN_BREAK;
3465                 MINT_IN_CASE(MINT_CONV_OVF_U4_I8)
3466                         if (sp [-1].data.l < 0 || sp [-1].data.l > MYGUINT32_MAX)
3467                                 THROW_EX (mono_get_exception_overflow (), ip);
3468                         sp [-1].data.i = (guint32) sp [-1].data.l;
3469                         ++ip;
3470                         MINT_IN_BREAK;
3471                 MINT_IN_CASE(MINT_CONV_OVF_U4_R8)
3472                         if (sp [-1].data.f < 0 || sp [-1].data.f > MYGUINT32_MAX)
3473                                 THROW_EX (mono_get_exception_overflow (), ip);
3474                         sp [-1].data.i = (guint32) sp [-1].data.f;
3475                         ++ip;
3476                         MINT_IN_BREAK;
3477                 MINT_IN_CASE(MINT_CONV_OVF_I2_I4)
3478                         if (sp [-1].data.i < -32768 || sp [-1].data.i > 32767)
3479                                 THROW_EX (mono_get_exception_overflow (), ip);
3480                         ++ip;
3481                         MINT_IN_BREAK;
3482                 MINT_IN_CASE(MINT_CONV_OVF_I2_I8)
3483                         if (sp [-1].data.l < -32768 || sp [-1].data.l > 32767)
3484                                 THROW_EX (mono_get_exception_overflow (), ip);
3485                         sp [-1].data.i = (gint16) sp [-1].data.l;
3486                         ++ip;
3487                         MINT_IN_BREAK;
3488                 MINT_IN_CASE(MINT_CONV_OVF_I2_R8)
3489                         if (sp [-1].data.f < -32768 || sp [-1].data.f > 32767)
3490                                 THROW_EX (mono_get_exception_overflow (), ip);
3491                         sp [-1].data.i = (gint16) sp [-1].data.f;
3492                         ++ip;
3493                         MINT_IN_BREAK;
3494                 MINT_IN_CASE(MINT_CONV_OVF_U2_I4)
3495                         if (sp [-1].data.i < 0 || sp [-1].data.i > 65535)
3496                                 THROW_EX (mono_get_exception_overflow (), ip);
3497                         ++ip;
3498                         MINT_IN_BREAK;
3499                 MINT_IN_CASE(MINT_CONV_OVF_U2_I8)
3500                         if (sp [-1].data.l < 0 || sp [-1].data.l > 65535)
3501                                 THROW_EX (mono_get_exception_overflow (), ip);
3502                         sp [-1].data.i = (guint16) sp [-1].data.l;
3503                         ++ip;
3504                         MINT_IN_BREAK;
3505                 MINT_IN_CASE(MINT_CONV_OVF_U2_R8)
3506                         if (sp [-1].data.f < 0 || sp [-1].data.f > 65535)
3507                                 THROW_EX (mono_get_exception_overflow (), ip);
3508                         sp [-1].data.i = (guint16) sp [-1].data.f;
3509                         ++ip;
3510                         MINT_IN_BREAK;
3511                 MINT_IN_CASE(MINT_CONV_OVF_I1_I4)
3512                         if (sp [-1].data.i < -128 || sp [-1].data.i > 127)
3513                                 THROW_EX (mono_get_exception_overflow (), ip);
3514                         ++ip;
3515                         MINT_IN_BREAK;
3516                 MINT_IN_CASE(MINT_CONV_OVF_I1_I8)
3517                         if (sp [-1].data.l < -128 || sp [-1].data.l > 127)
3518                                 THROW_EX (mono_get_exception_overflow (), ip);
3519                         sp [-1].data.i = (gint8) sp [-1].data.l;
3520                         ++ip;
3521                         MINT_IN_BREAK;
3522                 MINT_IN_CASE(MINT_CONV_OVF_I1_R8)
3523                         if (sp [-1].data.f < -128 || sp [-1].data.f > 127)
3524                                 THROW_EX (mono_get_exception_overflow (), ip);
3525                         sp [-1].data.i = (gint8) sp [-1].data.f;
3526                         ++ip;
3527                         MINT_IN_BREAK;
3528                 MINT_IN_CASE(MINT_CONV_OVF_U1_I4)
3529                         if (sp [-1].data.i < 0 || sp [-1].data.i > 255)
3530                                 THROW_EX (mono_get_exception_overflow (), ip);
3531                         ++ip;
3532                         MINT_IN_BREAK;
3533                 MINT_IN_CASE(MINT_CONV_OVF_U1_I8)
3534                         if (sp [-1].data.l < 0 || sp [-1].data.l > 255)
3535                                 THROW_EX (mono_get_exception_overflow (), ip);
3536                         sp [-1].data.i = (guint8) sp [-1].data.l;
3537                         ++ip;
3538                         MINT_IN_BREAK;
3539                 MINT_IN_CASE(MINT_CONV_OVF_U1_R8)
3540                         if (sp [-1].data.f < 0 || sp [-1].data.f > 255)
3541                                 THROW_EX (mono_get_exception_overflow (), ip);
3542                         sp [-1].data.i = (guint8) sp [-1].data.f;
3543                         ++ip;
3544                         MINT_IN_BREAK;
3545 #if 0
3546                 MINT_IN_CASE(MINT_LDELEM)
3547                 MINT_IN_CASE(MINT_STELEM)
3548                 MINT_IN_CASE(MINT_UNBOX_ANY)
3549
3550                 MINT_IN_CASE(MINT_REFANYVAL) ves_abort(); MINT_IN_BREAK;
3551 #endif
3552                 MINT_IN_CASE(MINT_CKFINITE)
3553                         if (!isfinite(sp [-1].data.f))
3554                                 THROW_EX (mono_get_exception_arithmetic (), ip);
3555                         ++ip;
3556                         MINT_IN_BREAK;
3557 #if 0
3558                 MINT_IN_CASE(MINT_MKREFANY) ves_abort(); MINT_IN_BREAK;
3559 #endif
3560                 MINT_IN_CASE(MINT_LDTOKEN)
3561                         sp->data.p = vt_sp;
3562                         vt_sp += 8;
3563                         * (gpointer *)sp->data.p = rtm->data_items[*(guint16 *)(ip + 1)];
3564                         ip += 2;
3565                         ++sp;
3566                         MINT_IN_BREAK;
3567                 MINT_IN_CASE(MINT_ADD_OVF_I4)
3568                         if (CHECK_ADD_OVERFLOW (sp [-2].data.i, sp [-1].data.i))
3569                                 THROW_EX (mono_get_exception_overflow (), ip);
3570                         BINOP(i, +);
3571                         MINT_IN_BREAK;
3572                 MINT_IN_CASE(MINT_ADD_OVF_I8)
3573                         if (CHECK_ADD_OVERFLOW64 (sp [-2].data.l, sp [-1].data.l))
3574                                 THROW_EX (mono_get_exception_overflow (), ip);
3575                         BINOP(l, +);
3576                         MINT_IN_BREAK;
3577                 MINT_IN_CASE(MINT_ADD_OVF_UN_I4)
3578                         if (CHECK_ADD_OVERFLOW_UN (sp [-2].data.i, sp [-1].data.i))
3579                                 THROW_EX (mono_get_exception_overflow (), ip);
3580                         BINOP_CAST(i, +, guint32);
3581                         MINT_IN_BREAK;
3582                 MINT_IN_CASE(MINT_ADD_OVF_UN_I8)
3583                         if (CHECK_ADD_OVERFLOW64_UN (sp [-2].data.l, sp [-1].data.l))
3584                                 THROW_EX (mono_get_exception_overflow (), ip);
3585                         BINOP_CAST(l, +, guint64);
3586                         MINT_IN_BREAK;
3587                 MINT_IN_CASE(MINT_MUL_OVF_I4)
3588                         if (CHECK_MUL_OVERFLOW (sp [-2].data.i, sp [-1].data.i))
3589                                 THROW_EX (mono_get_exception_overflow (), ip);
3590                         BINOP(i, *);
3591                         MINT_IN_BREAK;
3592                 MINT_IN_CASE(MINT_MUL_OVF_I8)
3593                         if (CHECK_MUL_OVERFLOW64 (sp [-2].data.l, sp [-1].data.l))
3594                                 THROW_EX (mono_get_exception_overflow (), ip);
3595                         BINOP(l, *);
3596                         MINT_IN_BREAK;
3597                 MINT_IN_CASE(MINT_MUL_OVF_UN_I4)
3598                         if (CHECK_MUL_OVERFLOW_UN (sp [-2].data.i, sp [-1].data.i))
3599                                 THROW_EX (mono_get_exception_overflow (), ip);
3600                         BINOP_CAST(i, *, guint32);
3601                         MINT_IN_BREAK;
3602                 MINT_IN_CASE(MINT_MUL_OVF_UN_I8)
3603                         if (CHECK_MUL_OVERFLOW64_UN (sp [-2].data.l, sp [-1].data.l))
3604                                 THROW_EX (mono_get_exception_overflow (), ip);
3605                         BINOP_CAST(l, *, guint64);
3606                         MINT_IN_BREAK;
3607                 MINT_IN_CASE(MINT_SUB_OVF_I4)
3608                         if (CHECK_SUB_OVERFLOW (sp [-2].data.i, sp [-1].data.i))
3609                                 THROW_EX (mono_get_exception_overflow (), ip);
3610                         BINOP(i, -);
3611                         MINT_IN_BREAK;
3612                 MINT_IN_CASE(MINT_SUB_OVF_I8)
3613                         if (CHECK_SUB_OVERFLOW64 (sp [-2].data.l, sp [-1].data.l))
3614                                 THROW_EX (mono_get_exception_overflow (), ip);
3615                         BINOP(l, -);
3616                         MINT_IN_BREAK;
3617                 MINT_IN_CASE(MINT_SUB_OVF_UN_I4)
3618                         if (CHECK_SUB_OVERFLOW_UN (sp [-2].data.i, sp [-1].data.i))
3619                                 THROW_EX (mono_get_exception_overflow (), ip);
3620                         BINOP_CAST(i, -, guint32);
3621                         MINT_IN_BREAK;
3622                 MINT_IN_CASE(MINT_SUB_OVF_UN_I8)
3623                         if (CHECK_SUB_OVERFLOW64_UN (sp [-2].data.l, sp [-1].data.l))
3624                                 THROW_EX (mono_get_exception_overflow (), ip);
3625                         BINOP_CAST(l, -, guint64);
3626                         MINT_IN_BREAK;
3627                 MINT_IN_CASE(MINT_ENDFINALLY)
3628                         if (finally_ips) {
3629                                 ip = finally_ips->data;
3630                                 finally_ips = g_slist_remove (finally_ips, ip);
3631                                 goto main_loop;
3632                         }
3633                         if (frame->ex)
3634                                 goto handle_fault;
3635                         ves_abort();
3636                         MINT_IN_BREAK;
3637                 MINT_IN_CASE(MINT_LEAVE) /* Fall through */
3638                 MINT_IN_CASE(MINT_LEAVE_S)
3639                         while (sp > frame->stack) {
3640                                 --sp;
3641                         }
3642                         frame->ip = ip;
3643                         if (*ip == MINT_LEAVE_S) {
3644                                 ip += (short) *(ip + 1);
3645                         } else {
3646                                 ip += (gint32) READ32 (ip + 1);
3647                         }
3648                         endfinally_ip = ip;
3649                         if (frame->ex_handler != NULL && MONO_OFFSET_IN_HANDLER(frame->ex_handler, frame->ip - rtm->code)) {
3650                                 frame->ex_handler = NULL;
3651                                 frame->ex = NULL;
3652                         }
3653                         goto handle_finally;
3654                         MINT_IN_BREAK;
3655                 MINT_IN_CASE(MINT_ICALL_V_V)
3656                 MINT_IN_CASE(MINT_ICALL_V_P)
3657                 MINT_IN_CASE(MINT_ICALL_P_V)
3658                 MINT_IN_CASE(MINT_ICALL_P_P)
3659                 MINT_IN_CASE(MINT_ICALL_PP_V)
3660                 MINT_IN_CASE(MINT_ICALL_PI_V)
3661                 MINT_IN_CASE(MINT_ICALL_PP_P)
3662                 MINT_IN_CASE(MINT_ICALL_PI_P)
3663                 MINT_IN_CASE(MINT_ICALL_PPP_V)
3664                 MINT_IN_CASE(MINT_ICALL_PPI_V)
3665                         sp = do_icall (context, *ip, sp, rtm->data_items [*(guint16 *)(ip + 1)]);
3666                         if (frame->ex != NULL)
3667                                 goto handle_exception;
3668                         ip += 2;
3669                         MINT_IN_BREAK;
3670                 MINT_IN_CASE(MINT_MONO_LDPTR)
3671                         sp->data.p = rtm->data_items [*(guint16 *)(ip + 1)];
3672                         ip += 2;
3673                         ++sp;
3674                         MINT_IN_BREAK;
3675                 MINT_IN_CASE(MINT_MONO_NEWOBJ)
3676                         sp->data.p = mono_object_new_checked (context->domain, rtm->data_items [*(guint16 *)(ip + 1)], &error);
3677                         mono_error_cleanup (&error); /* FIXME: don't swallow the error */
3678                         ip += 2;
3679                         sp++;
3680                         MINT_IN_BREAK;
3681                 MINT_IN_CASE(MINT_MONO_FREE)
3682                         ++ip;
3683                         --sp;
3684                         g_error ("that doesn't seem right");
3685                         g_free (sp->data.p);
3686                         MINT_IN_BREAK;
3687                 MINT_IN_CASE(MINT_MONO_RETOBJ)
3688                         ++ip;
3689                         sp--;
3690                         stackval_from_data (mono_method_signature (frame->runtime_method->method)->ret, frame->retval, sp->data.p,
3691                              mono_method_signature (frame->runtime_method->method)->pinvoke);
3692                         if (sp > frame->stack)
3693                                 g_warning ("retobj: more values on stack: %d", sp-frame->stack);
3694                         goto exit_frame;
3695
3696 #define RELOP(datamem, op) \
3697         --sp; \
3698         sp [-1].data.i = sp [-1].data.datamem op sp [0].data.datamem; \
3699         ++ip;
3700                 MINT_IN_CASE(MINT_CEQ_I4)
3701                         RELOP(i, ==);
3702                         MINT_IN_BREAK;
3703                 MINT_IN_CASE(MINT_CEQ0_I4)
3704                         sp [-1].data.i = (sp [-1].data.i == 0);
3705                         ++ip;
3706                         MINT_IN_BREAK;
3707                 MINT_IN_CASE(MINT_CEQ_I8)
3708                         RELOP(l, ==);
3709                         MINT_IN_BREAK;
3710                 MINT_IN_CASE(MINT_CEQ_R8)
3711                         --sp;
3712                         if (isunordered (sp [-1].data.f, sp [0].data.f))
3713                                 sp [-1].data.i = 0;
3714                         else
3715                                 sp [-1].data.i = sp [-1].data.f == sp [0].data.f;
3716                         ++ip;
3717                         MINT_IN_BREAK;
3718                 MINT_IN_CASE(MINT_CGT_I4)
3719                         RELOP(i, >);
3720                         MINT_IN_BREAK;
3721                 MINT_IN_CASE(MINT_CGT_I8)
3722                         RELOP(l, >);
3723                         MINT_IN_BREAK;
3724                 MINT_IN_CASE(MINT_CGT_R8)
3725                         --sp;
3726                         if (isunordered (sp [-1].data.f, sp [0].data.f))
3727                                 sp [-1].data.i = 0;
3728                         else
3729                                 sp [-1].data.i = sp [-1].data.f > sp [0].data.f;
3730                         ++ip;
3731                         MINT_IN_BREAK;
3732
3733 #define RELOP_CAST(datamem, op, type) \
3734         --sp; \
3735         sp [-1].data.i = (type)sp [-1].data.datamem op (type)sp [0].data.datamem; \
3736         ++ip;
3737
3738                 MINT_IN_CASE(MINT_CGT_UN_I4)
3739                         RELOP_CAST(i, >, guint32);
3740                         MINT_IN_BREAK;
3741                 MINT_IN_CASE(MINT_CGT_UN_I8)
3742                         RELOP_CAST(l, >, guint64);
3743                         MINT_IN_BREAK;
3744                 MINT_IN_CASE(MINT_CGT_UN_R8)
3745                         --sp;
3746                         if (isunordered (sp [-1].data.f, sp [0].data.f))
3747                                 sp [-1].data.i = 1;
3748                         else
3749                                 sp [-1].data.i = sp [-1].data.f > sp [0].data.f;
3750                         ++ip;
3751                         MINT_IN_BREAK;
3752                 MINT_IN_CASE(MINT_CLT_I4)
3753                         RELOP(i, <);
3754                         MINT_IN_BREAK;
3755                 MINT_IN_CASE(MINT_CLT_I8)
3756                         RELOP(l, <);
3757                         MINT_IN_BREAK;
3758                 MINT_IN_CASE(MINT_CLT_R8)
3759                         --sp;
3760                         if (isunordered (sp [-1].data.f, sp [0].data.f))
3761                                 sp [-1].data.i = 0;
3762                         else
3763                                 sp [-1].data.i = sp [-1].data.f < sp [0].data.f;
3764                         ++ip;
3765                         MINT_IN_BREAK;
3766                 MINT_IN_CASE(MINT_CLT_UN_I4)
3767                         RELOP_CAST(i, <, guint32);
3768                         MINT_IN_BREAK;
3769                 MINT_IN_CASE(MINT_CLT_UN_I8)
3770                         RELOP_CAST(l, <, guint64);
3771                         MINT_IN_BREAK;
3772                 MINT_IN_CASE(MINT_CLT_UN_R8)
3773                         --sp;
3774                         if (isunordered (sp [-1].data.f, sp [0].data.f))
3775                                 sp [-1].data.i = 1;
3776                         else
3777                                 sp [-1].data.i = sp [-1].data.f < sp [0].data.f;
3778                         ++ip;
3779                         MINT_IN_BREAK;
3780                 MINT_IN_CASE(MINT_LDFTN) {
3781                         sp->data.p = rtm->data_items [* (guint16 *)(ip + 1)];
3782                         ++sp;
3783                         ip += 2;
3784                         MINT_IN_BREAK;
3785                 }
3786                 MINT_IN_CASE(MINT_LDVIRTFTN) {
3787                         RuntimeMethod *m = rtm->data_items [* (guint16 *)(ip + 1)];
3788                         ip += 2;
3789                         --sp;
3790                         if (!sp->data.p)
3791                                 THROW_EX (mono_get_exception_null_reference (), ip - 2);
3792
3793                         sp->data.p = get_virtual_method (context->domain, m, sp->data.p);
3794                         ++sp;
3795                         MINT_IN_BREAK;
3796                 }
3797
3798 #define LDARG(datamem, argtype) \
3799         sp->data.datamem = * (argtype *)(frame->args + * (guint16 *)(ip + 1)); \
3800         ip += 2; \
3801         ++sp;
3802
3803                 MINT_IN_CASE(MINT_LDARG_I1) LDARG(i, gint8); MINT_IN_BREAK;
3804                 MINT_IN_CASE(MINT_LDARG_U1) LDARG(i, guint8); MINT_IN_BREAK;
3805                 MINT_IN_CASE(MINT_LDARG_I2) LDARG(i, gint16); MINT_IN_BREAK;
3806                 MINT_IN_CASE(MINT_LDARG_U2) LDARG(i, guint16); MINT_IN_BREAK;
3807                 MINT_IN_CASE(MINT_LDARG_I4) LDARG(i, gint32); MINT_IN_BREAK;
3808                 MINT_IN_CASE(MINT_LDARG_I8) LDARG(l, gint64); MINT_IN_BREAK;
3809                 MINT_IN_CASE(MINT_LDARG_R4) LDARG(f, float); MINT_IN_BREAK;
3810                 MINT_IN_CASE(MINT_LDARG_R8) LDARG(f, double); MINT_IN_BREAK;
3811                 MINT_IN_CASE(MINT_LDARG_O) LDARG(p, gpointer); MINT_IN_BREAK;
3812                 MINT_IN_CASE(MINT_LDARG_P) LDARG(p, gpointer); MINT_IN_BREAK;
3813
3814                 MINT_IN_CASE(MINT_LDARG_VT)
3815                         sp->data.p = vt_sp;
3816                         i32 = READ32(ip + 2);
3817                         memcpy(sp->data.p, frame->args + * (guint16 *)(ip + 1), i32);
3818                         vt_sp += (i32 + 7) & ~7;
3819                         ip += 4;
3820                         ++sp;
3821                         MINT_IN_BREAK;
3822
3823 #define STARG(datamem, argtype) \
3824         --sp; \
3825         * (argtype *)(frame->args + * (guint16 *)(ip + 1)) = sp->data.datamem; \
3826         ip += 2; \
3827
3828                 MINT_IN_CASE(MINT_STARG_I1) STARG(i, gint8); MINT_IN_BREAK;
3829                 MINT_IN_CASE(MINT_STARG_U1) STARG(i, guint8); MINT_IN_BREAK;
3830                 MINT_IN_CASE(MINT_STARG_I2) STARG(i, gint16); MINT_IN_BREAK;
3831                 MINT_IN_CASE(MINT_STARG_U2) STARG(i, guint16); MINT_IN_BREAK;
3832                 MINT_IN_CASE(MINT_STARG_I4) STARG(i, gint32); MINT_IN_BREAK;
3833                 MINT_IN_CASE(MINT_STARG_I8) STARG(l, gint64); MINT_IN_BREAK;
3834                 MINT_IN_CASE(MINT_STARG_R4) STARG(f, float); MINT_IN_BREAK;
3835                 MINT_IN_CASE(MINT_STARG_R8) STARG(f, double); MINT_IN_BREAK;
3836                 MINT_IN_CASE(MINT_STARG_O) STARG(p, gpointer); MINT_IN_BREAK;
3837                 MINT_IN_CASE(MINT_STARG_P) STARG(p, gpointer); MINT_IN_BREAK;
3838
3839                 MINT_IN_CASE(MINT_STARG_VT)
3840                         i32 = READ32(ip + 2);
3841                         --sp;
3842                         memcpy(frame->args + * (guint16 *)(ip + 1), sp->data.p, i32);
3843                         vt_sp -= (i32 + 7) & ~7;
3844                         ip += 4;
3845                         MINT_IN_BREAK;
3846
3847 #define STINARG(datamem, argtype) \
3848         do { \
3849                 int n = * (guint16 *)(ip + 1); \
3850                 * (argtype *)(frame->args + rtm->arg_offsets [n]) = frame->stack_args [n].data.datamem; \
3851                 ip += 2; \
3852         } while (0)
3853
3854                 MINT_IN_CASE(MINT_STINARG_I1) STINARG(i, gint8); MINT_IN_BREAK;
3855                 MINT_IN_CASE(MINT_STINARG_U1) STINARG(i, guint8); MINT_IN_BREAK;
3856                 MINT_IN_CASE(MINT_STINARG_I2) STINARG(i, gint16); MINT_IN_BREAK;
3857                 MINT_IN_CASE(MINT_STINARG_U2) STINARG(i, guint16); MINT_IN_BREAK;
3858                 MINT_IN_CASE(MINT_STINARG_I4) STINARG(i, gint32); MINT_IN_BREAK;
3859                 MINT_IN_CASE(MINT_STINARG_I8) STINARG(l, gint64); MINT_IN_BREAK;
3860                 MINT_IN_CASE(MINT_STINARG_R4) STINARG(f, float); MINT_IN_BREAK;
3861                 MINT_IN_CASE(MINT_STINARG_R8) STINARG(f, double); MINT_IN_BREAK;
3862                 MINT_IN_CASE(MINT_STINARG_O) STINARG(p, gpointer); MINT_IN_BREAK;
3863                 MINT_IN_CASE(MINT_STINARG_P) STINARG(p, gpointer); MINT_IN_BREAK;
3864
3865                 MINT_IN_CASE(MINT_STINARG_VT) {
3866                         int n = * (guint16 *)(ip + 1);
3867                         i32 = READ32(ip + 2);
3868                         memcpy (frame->args + rtm->arg_offsets [n], frame->stack_args [n].data.p, i32);
3869                         ip += 4;
3870                         MINT_IN_BREAK;
3871                 }
3872
3873                 MINT_IN_CASE(MINT_LDARGA)
3874                         sp->data.p = frame->args + * (guint16 *)(ip + 1);
3875                         ip += 2;
3876                         ++sp;
3877                         MINT_IN_BREAK;
3878
3879 #define LDLOC(datamem, argtype) \
3880         sp->data.datamem = * (argtype *)(locals + * (guint16 *)(ip + 1)); \
3881         ip += 2; \
3882         ++sp;
3883
3884                 MINT_IN_CASE(MINT_LDLOC_I1) LDLOC(i, gint8); MINT_IN_BREAK;
3885                 MINT_IN_CASE(MINT_LDLOC_U1) LDLOC(i, guint8); MINT_IN_BREAK;
3886                 MINT_IN_CASE(MINT_LDLOC_I2) LDLOC(i, gint16); MINT_IN_BREAK;
3887                 MINT_IN_CASE(MINT_LDLOC_U2) LDLOC(i, guint16); MINT_IN_BREAK;
3888                 MINT_IN_CASE(MINT_LDLOC_I4) LDLOC(i, gint32); MINT_IN_BREAK;
3889                 MINT_IN_CASE(MINT_LDLOC_I8) LDLOC(l, gint64); MINT_IN_BREAK;
3890                 MINT_IN_CASE(MINT_LDLOC_R4) LDLOC(f, float); MINT_IN_BREAK;
3891                 MINT_IN_CASE(MINT_LDLOC_R8) LDLOC(f, double); MINT_IN_BREAK;
3892                 MINT_IN_CASE(MINT_LDLOC_O) LDLOC(p, gpointer); MINT_IN_BREAK;
3893                 MINT_IN_CASE(MINT_LDLOC_P) LDLOC(p, gpointer); MINT_IN_BREAK;
3894
3895                 MINT_IN_CASE(MINT_LDLOC_VT)
3896                         sp->data.p = vt_sp;
3897                         i32 = READ32(ip + 2);
3898                         memcpy(sp->data.p, locals + * (guint16 *)(ip + 1), i32);
3899                         vt_sp += (i32 + 7) & ~7;
3900                         ip += 4;
3901                         ++sp;
3902                         MINT_IN_BREAK;
3903
3904                 MINT_IN_CASE(MINT_LDLOCA_S)
3905                         sp->data.p = locals + * (guint16 *)(ip + 1);
3906                         ip += 2;
3907                         ++sp;
3908                         MINT_IN_BREAK;
3909
3910 #define STLOC(datamem, argtype) \
3911         --sp; \
3912         * (argtype *)(locals + * (guint16 *)(ip + 1)) = sp->data.datamem; \
3913         ip += 2;
3914
3915                 MINT_IN_CASE(MINT_STLOC_I1) STLOC(i, gint8); MINT_IN_BREAK;
3916                 MINT_IN_CASE(MINT_STLOC_U1) STLOC(i, guint8); MINT_IN_BREAK;
3917                 MINT_IN_CASE(MINT_STLOC_I2) STLOC(i, gint16); MINT_IN_BREAK;
3918                 MINT_IN_CASE(MINT_STLOC_U2) STLOC(i, guint16); MINT_IN_BREAK;
3919                 MINT_IN_CASE(MINT_STLOC_I4) STLOC(i, gint32); MINT_IN_BREAK;
3920                 MINT_IN_CASE(MINT_STLOC_I8) STLOC(l, gint64); MINT_IN_BREAK;
3921                 MINT_IN_CASE(MINT_STLOC_R4) STLOC(f, float); MINT_IN_BREAK;
3922                 MINT_IN_CASE(MINT_STLOC_R8) STLOC(f, double); MINT_IN_BREAK;
3923                 MINT_IN_CASE(MINT_STLOC_O) STLOC(p, gpointer); MINT_IN_BREAK;
3924                 MINT_IN_CASE(MINT_STLOC_P) STLOC(p, gpointer); MINT_IN_BREAK;
3925
3926 #define STLOC_NP(datamem, argtype) \
3927         * (argtype *)(locals + * (guint16 *)(ip + 1)) = sp [-1].data.datamem; \
3928         ip += 2;
3929
3930                 MINT_IN_CASE(MINT_STLOC_NP_I4) STLOC_NP(i, gint32); MINT_IN_BREAK;
3931                 MINT_IN_CASE(MINT_STLOC_NP_O) STLOC_NP(p, gpointer); MINT_IN_BREAK;
3932
3933                 MINT_IN_CASE(MINT_STLOC_VT)
3934                         i32 = READ32(ip + 2);
3935                         --sp;
3936                         memcpy(locals + * (guint16 *)(ip + 1), sp->data.p, i32);
3937                         vt_sp -= (i32 + 7) & ~7;
3938                         ip += 4;
3939                         MINT_IN_BREAK;
3940
3941                 MINT_IN_CASE(MINT_LOCALLOC) {
3942                         if (sp != frame->stack + 1) /*FIX?*/
3943                                 THROW_EX (mono_get_exception_execution_engine (NULL), ip);
3944
3945                         int len = sp [-1].data.i;
3946                         sp [-1].data.p = alloca (len);
3947                         MonoMethodHeader *header = mono_method_get_header_checked (frame->runtime_method->method, &error);
3948                         mono_error_cleanup (&error); /* FIXME: don't swallow the error */
3949                         if (header->init_locals)
3950                                 memset (sp [-1].data.p, 0, len);
3951                         ++ip;
3952                         MINT_IN_BREAK;
3953                 }
3954 #if 0
3955                 MINT_IN_CASE(MINT_ENDFILTER) ves_abort(); MINT_IN_BREAK;
3956 #endif
3957                 MINT_IN_CASE(MINT_INITOBJ)
3958                         --sp;
3959                         memset (sp->data.vt, 0, READ32(ip + 1));
3960                         ip += 3;
3961                         MINT_IN_BREAK;
3962                 MINT_IN_CASE(MINT_CPBLK)
3963                         sp -= 3;
3964                         if (!sp [0].data.p || !sp [1].data.p)
3965                                 THROW_EX (mono_get_exception_null_reference(), ip - 1);
3966                         ++ip;
3967                         /* FIXME: value and size may be int64... */
3968                         memcpy (sp [0].data.p, sp [1].data.p, sp [2].data.i);
3969                         MINT_IN_BREAK;
3970 #if 0
3971                 MINT_IN_CASE(MINT_CONSTRAINED_) {
3972                         guint32 token;
3973                         /* FIXME: implement */
3974                         ++ip;
3975                         token = READ32 (ip);
3976                         ip += 2;
3977                         MINT_IN_BREAK;
3978                 }
3979 #endif
3980                 MINT_IN_CASE(MINT_INITBLK)
3981                         sp -= 3;
3982                         if (!sp [0].data.p)
3983                                 THROW_EX (mono_get_exception_null_reference(), ip - 1);
3984                         ++ip;
3985                         /* FIXME: value and size may be int64... */
3986                         memset (sp [0].data.p, sp [1].data.i, sp [2].data.i);
3987                         MINT_IN_BREAK;
3988 #if 0
3989                 MINT_IN_CASE(MINT_NO_)
3990                         /* FIXME: implement */
3991                         ip += 2;
3992                         MINT_IN_BREAK;
3993 #endif
3994                 MINT_IN_CASE(MINT_RETHROW)
3995                         /*
3996                          * need to clarify what this should actually do:
3997                          * start the search from the last found handler in
3998                          * this method or continue in the caller or what.
3999                          * Also, do we need to run finally/fault handlers after a retrow?
4000                          * Well, this implementation will follow the usual search
4001                          * for an handler, considering the current ip as throw spot.
4002                          * We need to NULL frame->ex_handler for the later code to
4003                          * actually run the new found handler.
4004                          */
4005                         frame->ex_handler = NULL;
4006                         THROW_EX (frame->ex, ip - 1);
4007                         MINT_IN_BREAK;
4008                 MINT_IN_DEFAULT
4009                         g_print ("Unimplemented opcode: %04x %s at 0x%x\n", *ip, mono_interp_opname[*ip], ip-rtm->code);
4010                         THROW_EX (mono_get_exception_execution_engine ("Unimplemented opcode"), ip);
4011                 }
4012         }
4013
4014         g_assert_not_reached ();
4015         /*
4016          * Exception handling code.
4017          * The exception object is stored in frame->ex.
4018          */
4019
4020         handle_exception:
4021         {
4022                 int i;
4023                 guint32 ip_offset;
4024                 MonoInvocation *inv;
4025                 MonoExceptionClause *clause;
4026                 /*char *message;*/
4027                 MonoObject *ex_obj;
4028
4029 #if DEBUG_INTERP
4030                 if (tracing)
4031                         g_print ("* Handling exception '%s' at IL_%04x\n",
4032                                 frame->ex == NULL ? "** Unknown **" : mono_object_class (frame->ex)->name,
4033                                 rtm == NULL ? 0 : frame->ip - rtm->code);
4034 #endif
4035                 if (die_on_exception)
4036                         goto die_on_ex;
4037
4038                 for (inv = frame; inv; inv = inv->parent) {
4039                         MonoMethod *method;
4040                         if (inv->runtime_method == NULL)
4041                                 continue;
4042                         method = inv->runtime_method->method;
4043                         if (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL)
4044                                 continue;
4045                         if (method->iflags & (METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL | METHOD_IMPL_ATTRIBUTE_RUNTIME))
4046                                 continue;
4047                         if (inv->ip == NULL)
4048                                 continue;
4049                         ip_offset = inv->ip - inv->runtime_method->code;
4050                         inv->ex_handler = NULL; /* clear this in case we are trhowing an exception while handling one  - this one wins */
4051                         for (i = 0; i < inv->runtime_method->num_clauses; ++i) {
4052                                 clause = &inv->runtime_method->clauses [i];
4053                                 if (clause->flags <= 1 && MONO_OFFSET_IN_CLAUSE (clause, ip_offset)) {
4054                                         if (!clause->flags) {
4055                                                 MonoObject *isinst_obj = mono_object_isinst_checked ((MonoObject*)frame->ex, clause->data.catch_class, &error);
4056                                                 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
4057                                                 if (isinst_obj) {
4058                                                         /*
4059                                                          * OK, we found an handler, now we need to execute the finally
4060                                                          * and fault blocks before branching to the handler code.
4061                                                          */
4062                                                         inv->ex_handler = clause;
4063 #if DEBUG_INTERP
4064                                                         if (tracing)
4065                                                                 g_print ("* Found handler at '%s'\n", method->name);
4066 #endif
4067                                                         goto handle_finally;
4068                                                 }
4069                                         } else {
4070                                                 g_error ("FIXME: handle filter clause");
4071                                         }
4072                                 }
4073                         }
4074                 }
4075                 /*
4076                  * If we get here, no handler was found: print a stack trace.
4077                  */
4078                 for (inv = frame; inv; inv = inv->parent) {
4079                         if (inv->invoke_trap)
4080                                 goto handle_finally;
4081                 }
4082 die_on_ex:
4083                 ex_obj = (MonoObject*)frame->ex;
4084                 MonoJitTlsData *jit_tls = (MonoJitTlsData *) mono_tls_get_jit_tls ();
4085                 jit_tls->abort_func (ex_obj);
4086                 g_assert_not_reached ();
4087         }
4088         handle_finally:
4089         {
4090                 int i;
4091                 guint32 ip_offset;
4092                 MonoExceptionClause *clause;
4093                 GSList *old_list = finally_ips;
4094                 MonoMethod *method = frame->runtime_method->method;
4095                 MonoMethodHeader *header = mono_method_get_header_checked (method, &error);
4096                 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
4097
4098 #if DEBUG_INTERP
4099                 if (tracing)
4100                         g_print ("* Handle finally IL_%04x\n", endfinally_ip == NULL ? 0 : endfinally_ip - rtm->code);
4101 #endif
4102                 if (rtm == NULL || (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL)
4103                                 || (method->iflags & (METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL | METHOD_IMPL_ATTRIBUTE_RUNTIME))) {
4104                         goto exit_frame;
4105                 }
4106                 ip_offset = frame->ip - rtm->code;
4107
4108                 if (endfinally_ip != NULL)
4109                         finally_ips = g_slist_prepend(finally_ips, (void *)endfinally_ip);
4110                 for (i = 0; i < header->num_clauses; ++i)
4111                         if (frame->ex_handler == &rtm->clauses [i])
4112                                 break;
4113                 while (i > 0) {
4114                         --i;
4115                         clause = &rtm->clauses [i];
4116                         if (MONO_OFFSET_IN_CLAUSE (clause, ip_offset) && (endfinally_ip == NULL || !(MONO_OFFSET_IN_CLAUSE (clause, endfinally_ip - rtm->code)))) {
4117                                 if (clause->flags == MONO_EXCEPTION_CLAUSE_FINALLY) {
4118                                         ip = rtm->code + clause->handler_offset;
4119                                         finally_ips = g_slist_prepend (finally_ips, (gpointer) ip);
4120 #if DEBUG_INTERP
4121                                         if (tracing)
4122                                                 g_print ("* Found finally at IL_%04x with exception: %s\n", clause->handler_offset, frame->ex? "yes": "no");
4123 #endif
4124                                 }
4125                         }
4126                 }
4127
4128                 endfinally_ip = NULL;
4129
4130                 if (old_list != finally_ips && finally_ips) {
4131                         ip = finally_ips->data;
4132                         finally_ips = g_slist_remove (finally_ips, ip);
4133                         sp = frame->stack; /* spec says stack should be empty at endfinally so it should be at the start too */
4134                         goto main_loop;
4135                 }
4136
4137                 /*
4138                  * If an exception is set, we need to execute the fault handler, too,
4139                  * otherwise, we continue normally.
4140                  */
4141                 if (frame->ex)
4142                         goto handle_fault;
4143                 ves_abort();
4144         }
4145         handle_fault:
4146         {
4147                 int i;
4148                 guint32 ip_offset;
4149                 MonoExceptionClause *clause;
4150                 MonoMethod *method = frame->runtime_method->method;
4151                 MonoMethodHeader *header = mono_method_get_header_checked (method, &error);
4152                 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
4153
4154 #if DEBUG_INTERP
4155                 if (tracing)
4156                         g_print ("* Handle fault\n");
4157 #endif
4158                 ip_offset = frame->ip - rtm->code;
4159                 for (i = 0; i < header->num_clauses; ++i) {
4160                         clause = &rtm->clauses [i];
4161                         if (clause->flags == MONO_EXCEPTION_CLAUSE_FAULT && MONO_OFFSET_IN_CLAUSE (clause, ip_offset)) {
4162                                 ip = rtm->code + clause->handler_offset;
4163 #if DEBUG_INTERP
4164                                 if (tracing)
4165                                         g_print ("* Executing handler at IL_%04x\n", clause->handler_offset);
4166 #endif
4167                                 goto main_loop;
4168                         }
4169                 }
4170                 /*
4171                  * If the handler for the exception was found in this method, we jump
4172                  * to it right away, otherwise we return and let the caller run
4173                  * the finally, fault and catch blocks.
4174                  * This same code should be present in the endfault opcode, but it
4175                  * is corrently not assigned in the ECMA specs: LAMESPEC.
4176                  */
4177                 if (frame->ex_handler) {
4178 #if DEBUG_INTERP
4179                         if (tracing)
4180                                 g_print ("* Executing handler at IL_%04x\n", frame->ex_handler->handler_offset);
4181 #endif
4182                         ip = rtm->code + frame->ex_handler->handler_offset;
4183                         sp = frame->stack;
4184                         vt_sp = (unsigned char *) sp + rtm->stack_size;
4185                         sp->data.p = frame->ex;
4186                         ++sp;
4187                         goto main_loop;
4188                 }
4189                 goto exit_frame;
4190         }
4191 exit_frame:
4192         DEBUG_LEAVE ();
4193 }
4194
4195 void
4196 ves_exec_method (MonoInvocation *frame)
4197 {
4198         ThreadContext *context = mono_native_tls_get_value (thread_context_id);
4199         ThreadContext context_struct;
4200         MonoError error;
4201         jmp_buf env;
4202
4203         frame->ex = NULL;
4204
4205         if (setjmp(env)) {
4206                 mono_unhandled_exception ((MonoObject*)frame->ex);
4207                 return;
4208         }
4209         if (context == NULL) {
4210                 context = &context_struct;
4211                 context_struct.domain = mono_domain_get ();
4212                 context_struct.base_frame = frame;
4213                 context_struct.current_frame = NULL;
4214                 context_struct.env_frame = frame;
4215                 context_struct.current_env = &env;
4216                 context_struct.search_for_handler = 0;
4217                 context_struct.managed_code = 0;
4218                 mono_native_tls_set_value (thread_context_id, context);
4219         }
4220         frame->ip = NULL;
4221         frame->parent = context->current_frame;
4222         frame->runtime_method = mono_interp_get_runtime_method (context->domain, frame->method, &error);
4223         mono_error_cleanup (&error); /* FIXME: don't swallow the error */
4224         context->managed_code = 1;
4225         ves_exec_method_with_context (frame, context);
4226         context->managed_code = 0;
4227         if (frame->ex) {
4228                 if (context != &context_struct && context->current_env) {
4229                         context->env_frame->ex = frame->ex;
4230                         longjmp (*context->current_env, 1);
4231                 }
4232                 else
4233                         mono_unhandled_exception ((MonoObject*)frame->ex);
4234         }
4235         if (context->base_frame == frame)
4236                 mono_native_tls_set_value (thread_context_id, NULL);
4237         else
4238                 context->current_frame = frame->parent;
4239 }
4240
4241 static int
4242 ves_exec (MonoDomain *domain, MonoAssembly *assembly, int argc, char *argv[])
4243 {
4244         MonoImage *image = mono_assembly_get_image (assembly);
4245         MonoMethod *method;
4246         MonoError error;
4247         int rval;
4248
4249         method = mono_get_method_checked (image, mono_image_get_entry_point (image), NULL, NULL, &error);
4250         mono_error_cleanup (&error); /* FIXME: don't swallow the error */
4251
4252         if (!method)
4253                 g_error ("No entry point method found in %s", mono_image_get_filename (image));
4254
4255         rval = mono_runtime_run_main_checked (method, argc, argv, &error);
4256         mono_error_cleanup (&error); /* FIXME: don't swallow the error */
4257         return rval;
4258 }
4259
4260 static void
4261 usage (void)
4262 {
4263         fprintf (stderr,
4264                  "mint %s, the Mono ECMA CLI interpreter, (C) 2001, 2002 Ximian, Inc.\n\n"
4265                  "Usage is: mint [options] executable args...\n\n", VERSION);
4266         fprintf (stderr,
4267                  "Runtime Debugging:\n"
4268 #ifdef DEBUG_INTERP
4269                  "   --debug\n"
4270 #endif
4271                  "   --dieonex\n"
4272                  "   --noptr\t\t\tdon't print pointer addresses in trace output\n"
4273                  "   --opcode-count\n"
4274                  "   --print-vtable\n"
4275                  "   --traceclassinit\n"
4276                  "\n"
4277                  "Development:\n"
4278                  "   --debug method_name\n"
4279                  "   --profile\n"
4280                  "   --trace\n"
4281                  "   --traceops\n"
4282                  "   --regression\n"
4283                  "\n"
4284                  "Runtime:\n"
4285                  "   --config filename  load the specified config file instead of the default\n"
4286                  "   --workers n        maximum number of worker threads\n"
4287                 );
4288         exit (1);
4289 }
4290
4291 static MonoBoolean
4292 interp_ves_icall_get_frame_info (gint32 skip, MonoBoolean need_file_info,
4293                           MonoReflectionMethod **method,
4294                           gint32 *iloffset, gint32 *native_offset,
4295                           MonoString **file, gint32 *line, gint32 *column)
4296 {
4297         ThreadContext *context = mono_native_tls_get_value (thread_context_id);
4298         MonoInvocation *inv = context->current_frame;
4299         MonoError error;
4300         int i;
4301
4302         for (i = 0; inv && i < skip; inv = inv->parent)
4303                 if (inv->runtime_method != NULL)
4304                         ++i;
4305
4306         if (iloffset)
4307                 *iloffset = 0;
4308         if (native_offset)
4309                 *native_offset = 0;
4310         if (method) {
4311                 if (inv == NULL) {
4312                         *method = NULL;
4313                 } else {
4314                         *method = mono_method_get_object_checked (context->domain, inv->runtime_method->method, NULL, &error);
4315                         mono_error_cleanup (&error); /* FIXME: don't swallow the error */
4316                 }
4317         }
4318         if (line)
4319                 *line = 0;
4320         if (need_file_info) {
4321                 if (column)
4322                         *column = 0;
4323                 if (file)
4324                         *file = mono_string_new (mono_domain_get (), "unknown");
4325         }
4326
4327         return TRUE;
4328 }
4329
4330 static MonoArray *
4331 interp_ves_icall_get_trace (MonoException *exc, gint32 skip, MonoBoolean need_file_info)
4332 {
4333         MonoDomain *domain = mono_domain_get ();
4334         MonoArray *res;
4335         MonoArray *ta = exc->trace_ips;
4336         MonoError error;
4337         int i, len;
4338
4339         if (ta == NULL) {
4340                 /* Exception is not thrown yet */
4341                 MonoArray *array = mono_array_new_checked (domain, mono_defaults.stack_frame_class, 0, &error);
4342                 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
4343                 return array;
4344         }
4345
4346         len = mono_array_length (ta);
4347
4348         res = mono_array_new_checked (domain, mono_defaults.stack_frame_class, len > skip ? len - skip : 0, &error);
4349         mono_error_cleanup (&error); /* FIXME: don't swallow the error */
4350
4351         for (i = skip; i < len / 2; i++) {
4352                 MonoStackFrame *sf = (MonoStackFrame *)mono_object_new_checked (domain, mono_defaults.stack_frame_class, &error);
4353                 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
4354                 gushort *ip = mono_array_get (ta, gpointer, 2 * i + 1);
4355                 RuntimeMethod *rtm = mono_array_get (ta, gpointer, 2 * i);
4356
4357                 if (rtm != NULL) {
4358                         sf->method = mono_method_get_object_checked (domain, rtm->method, NULL, &error);
4359                         mono_error_cleanup (&error); /* FIXME: don't swallow the error */
4360                         sf->native_offset = ip - rtm->code;
4361                 }
4362
4363 #if 0
4364                 sf->il_offset = mono_debug_il_offset_from_address (ji->method, sf->native_offset, domain);
4365
4366                 if (need_file_info) {
4367                         gchar *filename;
4368
4369                         filename = mono_debug_source_location_from_address (ji->method, sf->native_offset, &sf->line, domain);
4370
4371                         sf->filename = filename? mono_string_new (domain, filename): NULL;
4372                         sf->column = 0;
4373
4374                         g_free (filename);
4375                 }
4376 #endif
4377
4378                 mono_array_set (res, gpointer, i, sf);
4379         }
4380
4381         return res;
4382 }
4383
4384 void
4385 mono_interp_init ()
4386 {
4387         mono_native_tls_alloc (&thread_context_id, NULL);
4388     mono_native_tls_set_value (thread_context_id, NULL);
4389         mono_os_mutex_init_recursive (&create_method_pointer_mutex);
4390
4391         mono_interp_transform_init ();
4392 }
4393
4394 typedef int (*TestMethod) (void);
4395
4396 static void
4397 interp_regression_step (MonoImage *image, int verbose, int *total_run, int *total, GTimer *timer, MonoDomain *domain)
4398 {
4399         int result, expected, failed, cfailed, run;
4400         double elapsed, transform_time;
4401         int i;
4402         MonoObject *result_obj;
4403         static gboolean filter_method_init = FALSE;
4404         static const char *filter_method = NULL;
4405
4406         g_print ("Test run: image=%s\n", mono_image_get_filename (image));
4407         cfailed = failed = run = 0;
4408         transform_time = elapsed = 0.0;
4409
4410         g_timer_start (timer);
4411         for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_METHOD); ++i) {
4412                 MonoObject *exc = NULL;
4413                 MonoError error;
4414                 MonoMethod *method = mono_get_method_checked (image, MONO_TOKEN_METHOD_DEF | (i + 1), NULL, NULL, &error);
4415                 if (!method) {
4416                         mono_error_cleanup (&error); /* FIXME don't swallow the error */
4417                         continue;
4418                 }
4419
4420                 if (!filter_method_init) {
4421                         filter_method = g_getenv ("INTERP_FILTER_METHOD");
4422                         filter_method_init = TRUE;
4423                 }
4424                 gboolean filter = FALSE;
4425                 if (filter_method) {
4426                         const char *name = filter_method;
4427
4428                         if ((strchr (name, '.') > name) || strchr (name, ':')) {
4429                                 MonoMethodDesc *desc = mono_method_desc_new (name, TRUE);
4430                                 filter = mono_method_desc_full_match (desc, method);
4431                                 mono_method_desc_free (desc);
4432                         } else {
4433                                 filter = strcmp (method->name, name) == 0;
4434                         }
4435                 } else { /* no filter, check for `Category' attribute on method */
4436                         filter = TRUE;
4437                         MonoCustomAttrInfo* ainfo = mono_custom_attrs_from_method_checked (method, &error);
4438                         mono_error_cleanup (&error);
4439
4440                         if (ainfo) {
4441                                 int j;
4442                                 for (j = 0; j < ainfo->num_attrs && filter; ++j) {
4443                                         MonoCustomAttrEntry *centry = &ainfo->attrs [j];
4444                                         if (centry->ctor == NULL)
4445                                                 continue;
4446
4447                                         MonoClass *klass = centry->ctor->klass;
4448                                         if (strcmp (klass->name, "CategoryAttribute"))
4449                                                 continue;
4450
4451                                         MonoObject *obj = mono_custom_attrs_get_attr_checked (ainfo, klass, &error);
4452                                         /* FIXME: there is an ordering problem if there're multiple attributes, do this instead:
4453                                          * MonoObject *obj = create_custom_attr (ainfo->image, centry->ctor, centry->data, centry->data_size, &error); */
4454                                         mono_error_cleanup (&error);
4455                                         MonoMethod *getter = mono_class_get_method_from_name (klass, "get_Category", -1);
4456                                         MonoObject *str = mono_interp_runtime_invoke (getter, obj, NULL, &exc, &error);
4457                                         mono_error_cleanup (&error);
4458                                         char *utf8_str = mono_string_to_utf8_checked ((MonoString *) str, &error);
4459                                         mono_error_cleanup (&error);
4460                                         if (!strcmp (utf8_str, "!INTERPRETER")) {
4461                                                 g_print ("skip %s...\n", method->name);
4462                                                 filter = FALSE;
4463                                         }
4464                                 }
4465                         }
4466                 }
4467                 if (strncmp (method->name, "test_", 5) == 0 && filter) {
4468                         MonoError interp_error;
4469                         MonoObject *exc = NULL;
4470
4471                         result_obj = mono_interp_runtime_invoke (method, NULL, NULL, &exc, &interp_error);
4472                         if (!mono_error_ok (&interp_error)) {
4473                                 cfailed++;
4474                                 g_print ("Test '%s' execution failed.\n", method->name);
4475                         } else if (exc != NULL) {
4476                                 g_print ("Exception in Test '%s' occured:\n", method->name);
4477                                 mono_object_describe (exc);
4478                                 run++;
4479                                 failed++;
4480                         } else {
4481                                 result = *(gint32 *) mono_object_unbox (result_obj);
4482                                 expected = atoi (method->name + 5);  // FIXME: oh no.
4483                                 run++;
4484
4485                                 if (result != expected) {
4486                                         failed++;
4487                                         g_print ("Test '%s' failed result (got %d, expected %d).\n", method->name, result, expected);
4488                                 }
4489                         }
4490                 }
4491         }
4492         g_timer_stop (timer);
4493         elapsed = g_timer_elapsed (timer, NULL);
4494         if (failed > 0 || cfailed > 0){
4495                 g_print ("Results: total tests: %d, failed: %d, cfailed: %d (pass: %.2f%%)\n",
4496                                 run, failed, cfailed, 100.0*(run-failed-cfailed)/run);
4497         } else {
4498                 g_print ("Results: total tests: %d, all pass \n",  run);
4499         }
4500
4501         g_print ("Elapsed time: %f secs (%f, %f)\n\n", elapsed,
4502                         elapsed - transform_time, transform_time);
4503         *total += failed + cfailed;
4504         *total_run += run;
4505 }
4506 static int
4507 interp_regression (MonoImage *image, int verbose, int *total_run)
4508 {
4509         MonoMethod *method;
4510         GTimer *timer = g_timer_new ();
4511         MonoDomain *domain = mono_domain_get ();
4512         guint32 i;
4513         int total;
4514
4515         /* load the metadata */
4516         for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_METHOD); ++i) {
4517                 MonoError error;
4518                 method = mono_get_method_checked (image, MONO_TOKEN_METHOD_DEF | (i + 1), NULL, NULL, &error);
4519                 if (!method) {
4520                         mono_error_cleanup (&error);
4521                         continue;
4522                 }
4523                 mono_class_init (method->klass);
4524         }
4525
4526         total = 0;
4527         *total_run = 0;
4528         interp_regression_step (image, verbose, total_run, &total, timer, domain);
4529
4530         g_timer_destroy (timer);
4531         return total;
4532 }
4533
4534 int
4535 mono_interp_regression_list (int verbose, int count, char *images [])
4536 {
4537         int i, total, total_run, run;
4538
4539         total_run = total = 0;
4540         for (i = 0; i < count; ++i) {
4541                 MonoAssembly *ass = mono_assembly_open_predicate (images [i], FALSE, FALSE, NULL, NULL, NULL);
4542                 if (!ass) {
4543                         g_warning ("failed to load assembly: %s", images [i]);
4544                         continue;
4545                 }
4546                 total += interp_regression (mono_assembly_get_image (ass), verbose, &run);
4547                 total_run += run;
4548         }
4549         if (total > 0) {
4550                 g_print ("Overall results: tests: %d, failed: %d (pass: %.2f%%)\n", total_run, total, 100.0*(total_run-total)/total_run);
4551         } else {
4552                 g_print ("Overall results: tests: %d, 100%% pass\n", total_run);
4553         }
4554
4555         return total;
4556 }
4557