2 * PLEASE NOTE: This is a research prototype.
5 * interp.c: Interpreter for CIL byte codes
8 * Paolo Molaro (lupus@ximian.com)
9 * Miguel de Icaza (miguel@ximian.com)
10 * Dietmar Maurer (dietmar@ximian.com)
12 * (C) 2001, 2002 Ximian, Inc.
25 #include <mono/os/gc_wrapper.h>
31 # define alloca __builtin_alloca
35 /* trim excessive headers */
36 #include <mono/metadata/image.h>
37 #include <mono/metadata/assembly.h>
38 #include <mono/metadata/cil-coff.h>
39 #include <mono/metadata/mono-endian.h>
40 #include <mono/metadata/tabledefs.h>
41 #include <mono/metadata/blob.h>
42 #include <mono/metadata/tokentype.h>
43 #include <mono/metadata/loader.h>
44 #include <mono/metadata/threads.h>
45 #include <mono/metadata/threadpool.h>
46 #include <mono/metadata/profiler-private.h>
47 #include <mono/metadata/appdomain.h>
48 #include <mono/metadata/reflection.h>
49 #include <mono/metadata/exception.h>
50 #include <mono/metadata/verify.h>
51 #include <mono/metadata/opcodes.h>
52 #include <mono/metadata/debug-helpers.h>
53 #include <mono/io-layer/io-layer.h>
54 #include <mono/metadata/socket-io.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 #include <mono/os/util.h>
61 /*#include <mono/cli/types.h>*/
65 /* Mingw 2.1 doesnt need this any more, but leave it in for now for older versions */
68 #define finite _finite
71 /* If true, then we output the opcodes as we interpret them */
72 static int global_tracing = 0;
73 static int global_no_pointers = 0;
75 static int debug_indent_level = 0;
78 * Pull the list of opcodes
80 #define OPDEF(a,b,c,d,e,f,g,h,i,j) \
84 #include "mono/cil/opcode.def"
89 #define GET_NATI(sp) ((sp).data.nati)
90 #define CSIZE(x) (sizeof (x) / 4)
92 #define INIT_FRAME(frame,parent_frame,obj_this,method_args,method_retval,mono_method) \
94 (frame)->parent = (parent_frame); \
95 (frame)->obj = (obj_this); \
96 (frame)->stack_args = (method_args); \
97 (frame)->retval = (method_retval); \
98 (frame)->method = (mono_method); \
99 (frame)->ex_handler = NULL; \
100 (frame)->ex = NULL; \
101 (frame)->child = NULL; \
102 (frame)->invoke_trap = 0; \
105 void ves_exec_method (MonoInvocation *frame);
107 typedef void (*ICallMethod) (MonoInvocation *frame);
109 static guint32 die_on_exception = 0;
110 static guint32 frame_thread_id = 0;
112 #define DEBUG_INTERP 1
115 static unsigned long opcode_count = 0;
116 static unsigned long fcall_count = 0;
117 static int break_on_method = 0;
118 static GList *db_methods = NULL;
125 for (h = 0; h < debug_indent_level; h++)
130 db_match_method (gpointer data, gpointer user_data)
132 MonoMethod *m = (MonoMethod*)user_data;
133 MonoMethodDesc *desc = data;
135 if (mono_method_desc_full_match (desc, m))
139 #define DEBUG_ENTER() \
141 g_list_foreach (db_methods, db_match_method, (gpointer)frame->method); \
142 if (break_on_method) tracing=2; \
143 break_on_method = 0; \
145 char *mn, *args = dump_stack (frame->stack_args, frame->stack_args+signature->param_count); \
146 debug_indent_level++; \
148 mn = mono_method_full_name (frame->method, FALSE); \
149 g_print ("(%d) Entering %s (", GetCurrentThreadId(), mn); \
151 if (signature->hasthis) { \
152 if (global_no_pointers) { \
153 g_print ("this%s ", frame->obj ? "" : "=null"); \
155 g_print ("%p ", frame->obj); } \
157 g_print ("%s)\n", args); \
160 if (mono_profiler_events & MONO_PROFILE_ENTER_LEAVE) \
161 mono_profiler_method_enter (frame->method);
163 #define DEBUG_LEAVE() \
166 if (signature->ret->type != MONO_TYPE_VOID) \
167 args = dump_stack (frame->retval, frame->retval + 1); \
169 args = g_strdup (""); \
171 mn = mono_method_full_name (frame->method, FALSE); \
172 g_print ("(%d) Leaving %s", GetCurrentThreadId(), mn); \
174 g_print (" => %s\n", args); \
176 debug_indent_level--; \
178 if (mono_profiler_events & MONO_PROFILE_ENTER_LEAVE) \
179 mono_profiler_method_leave (frame->method);
183 #define DEBUG_ENTER()
184 #define DEBUG_LEAVE()
189 interp_ex_handler (MonoException *ex) {
190 MonoInvocation *frame = TlsGetValue (frame_thread_id);
192 longjmp (*(jmp_buf*)frame->locals, 1);
196 ves_real_abort (int line, MonoMethod *mh,
197 const unsigned char *ip, stackval *stack, stackval *sp)
199 MonoMethodNormal *mm = (MonoMethodNormal *)mh;
200 fprintf (stderr, "Execution aborted in method: %s::%s\n", mh->klass->name, mh->name);
201 fprintf (stderr, "Line=%d IP=0x%04x, Aborted execution\n", line,
202 ip-mm->header->code);
203 g_print ("0x%04x %02x\n",
204 ip-mm->header->code, *ip);
206 printf ("\t[%d] %d 0x%08x %0.5f\n", sp-stack, sp[-1].type, sp[-1].data.i, sp[-1].data.f);
208 #define ves_abort() do {ves_real_abort(__LINE__, frame->method, ip, frame->stack, sp); THROW_EX (mono_get_exception_execution_engine (NULL), ip);} while (0);
211 interp_create_remoting_trampoline (MonoMethod *method)
213 return mono_marshal_get_remoting_invoke (method);
217 get_virtual_method (MonoDomain *domain, MonoMethod *m, stackval *objs)
222 gboolean is_proxy = FALSE;
225 if ((m->flags & METHOD_ATTRIBUTE_FINAL) || !(m->flags & METHOD_ATTRIBUTE_VIRTUAL))
229 if ((klass = obj->vtable->klass) == mono_defaults.transparent_proxy_class) {
230 klass = ((MonoTransparentProxy *)obj)->klass;
233 vtable = (MonoMethod **)klass->vtable;
235 if (m->klass->flags & TYPE_ATTRIBUTE_INTERFACE) {
236 res = ((MonoMethod **)obj->vtable->interface_offsets [m->klass->interface_id]) [m->slot];
238 res = vtable [m->slot];
243 return mono_marshal_get_remoting_invoke (res);
249 stackval_from_data (MonoType *type, stackval *result, char *data, gboolean pinvoke)
252 switch (type->type) {
253 case MONO_TYPE_OBJECT:
254 case MONO_TYPE_CLASS:
255 case MONO_TYPE_STRING:
256 case MONO_TYPE_ARRAY:
257 case MONO_TYPE_SZARRAY:
258 result->type = VAL_OBJ;
261 result->type = VAL_VALUETA;
264 result->data.p = *(gpointer*)data;
265 result->data.vt.klass = mono_class_from_mono_type (type);
268 switch (type->type) {
272 result->type = VAL_I32;
273 result->data.i = *(gint8*)data;
276 case MONO_TYPE_BOOLEAN:
277 result->type = VAL_I32;
278 result->data.i = *(guint8*)data;
281 result->type = VAL_I32;
282 result->data.i = *(gint16*)data;
286 result->type = VAL_I32;
287 result->data.i = *(guint16*)data;
290 result->type = VAL_I32;
291 result->data.i = *(gint32*)data;
296 result->type = VAL_TP;
297 result->data.p = *(gpointer*)data;
300 result->type = VAL_I32;
301 result->data.i = *(guint32*)data;
304 result->type = VAL_DOUBLE;
305 result->data.f = *(float*)data;
309 result->type = VAL_I64;
310 result->data.l = *(gint64*)data;
313 result->type = VAL_DOUBLE;
314 result->data.f = *(double*)data;
316 case MONO_TYPE_STRING:
317 case MONO_TYPE_SZARRAY:
318 case MONO_TYPE_CLASS:
319 case MONO_TYPE_OBJECT:
320 case MONO_TYPE_ARRAY:
321 result->type = VAL_OBJ;
322 result->data.p = *(gpointer*)data;
323 result->data.vt.klass = mono_class_from_mono_type (type);
325 case MONO_TYPE_VALUETYPE:
326 if (type->data.klass->enumtype) {
327 return stackval_from_data (type->data.klass->enum_basetype, result, data, pinvoke);
330 result->type = VAL_VALUET;
331 result->data.vt.klass = type->data.klass;
334 size = mono_class_native_size (type->data.klass, NULL);
336 size = mono_class_value_size (type->data.klass, NULL);
337 memcpy (result->data.vt.vt, data, size);
341 g_warning ("got type 0x%02x", type->type);
342 g_assert_not_reached ();
347 stackval_to_data (MonoType *type, stackval *val, char *data, gboolean pinvoke)
350 gpointer *p = (gpointer*)data;
354 //printf ("TODAT0 %p\n", data);
355 switch (type->type) {
358 guint8 *p = (guint8*)data;
362 case MONO_TYPE_BOOLEAN: {
363 guint8 *p = (guint8*)data;
364 *p = (val->data.i != 0);
369 case MONO_TYPE_CHAR: {
370 guint16 *p = (guint16*)data;
374 #if SIZEOF_VOID_P == 4
380 gint32 *p = (gint32*)data;
384 #if SIZEOF_VOID_P == 8
390 gint64 *p = (gint64*)data;
395 float *p = (float*)data;
400 double *p = (double*)data;
404 case MONO_TYPE_STRING:
405 case MONO_TYPE_SZARRAY:
406 case MONO_TYPE_CLASS:
407 case MONO_TYPE_OBJECT:
408 case MONO_TYPE_ARRAY:
409 case MONO_TYPE_PTR: {
410 gpointer *p = (gpointer*)data;
414 case MONO_TYPE_VALUETYPE:
415 if (type->data.klass->enumtype) {
416 return stackval_to_data (type->data.klass->enum_basetype, val, data, pinvoke);
421 size = mono_class_native_size (type->data.klass, NULL);
423 size = mono_class_value_size (type->data.klass, NULL);
425 memcpy (data, val->data.vt.vt, size);
429 g_warning ("got type %x", type->type);
430 g_assert_not_reached ();
435 ves_array_create (MonoDomain *domain, MonoClass *klass, MonoMethodSignature *sig, stackval *values)
438 guint32 *lower_bounds;
441 lengths = alloca (sizeof (guint32) * klass->rank * 2);
442 for (i = 0; i < sig->param_count; ++i) {
443 lengths [i] = values->data.i;
446 if (klass->rank == sig->param_count) {
447 /* Only lengths provided. */
450 /* lower bounds are first. */
451 lower_bounds = lengths;
452 lengths += klass->rank;
454 return (MonoObject*)mono_array_new_full (domain, klass, lengths, lower_bounds);
458 ves_array_set (MonoInvocation *frame)
460 stackval *sp = frame->stack_args;
464 gint32 i, t, pos, esize;
470 ac = o->vtable->klass;
472 g_assert (ac->rank >= 1);
475 if (ao->bounds != NULL) {
476 pos -= ao->bounds [0].lower_bound;
477 for (i = 1; i < ac->rank; i++) {
478 if ((t = sp [i].data.i - ao->bounds [i].lower_bound) >=
479 ao->bounds [i].length) {
480 frame->ex = mono_get_exception_index_out_of_range ();
483 pos = pos*ao->bounds [i].length + sp [i].data.i -
484 ao->bounds [i].lower_bound;
488 esize = mono_array_element_size (ac);
489 ea = mono_array_addr_with_size (ao, esize, pos);
491 mt = frame->method->signature->params [ac->rank];
492 stackval_to_data (mt, &sp [ac->rank], ea, FALSE);
496 ves_array_get (MonoInvocation *frame)
498 stackval *sp = frame->stack_args;
502 gint32 i, t, pos, esize;
508 ac = o->vtable->klass;
510 g_assert (ac->rank >= 1);
513 if (ao->bounds != NULL) {
514 pos -= ao->bounds [0].lower_bound;
515 for (i = 1; i < ac->rank; i++) {
517 if ((t = sp [i].data.i - ao->bounds [i].lower_bound) >=
518 ao->bounds [i].length) {
519 frame->ex = mono_get_exception_index_out_of_range ();
523 pos = pos*ao->bounds [i].length + sp [i].data.i -
524 ao->bounds [i].lower_bound;
528 esize = mono_array_element_size (ac);
529 ea = mono_array_addr_with_size (ao, esize, pos);
531 mt = frame->method->signature->ret;
532 stackval_from_data (mt, frame->retval, ea, FALSE);
536 ves_array_element_address (MonoInvocation *frame)
538 stackval *sp = frame->stack_args;
542 gint32 i, pos, esize;
547 ac = o->vtable->klass;
549 g_assert (ac->rank >= 1);
552 if (ao->bounds != NULL) {
553 pos -= ao->bounds [0].lower_bound;
554 for (i = 1; i < ac->rank; i++)
555 pos = pos*ao->bounds [i].length + sp [i].data.i -
556 ao->bounds [i].lower_bound;
559 esize = mono_array_element_size (ac);
560 ea = mono_array_addr_with_size (ao, esize, pos);
562 frame->retval->type = VAL_TP;
563 frame->retval->data.p = ea;
567 interp_walk_stack (MonoStackWalk func, gpointer user_data)
569 MonoInvocation *frame = TlsGetValue (frame_thread_id);
571 MonoMethodHeader *hd;
574 gboolean managed = FALSE;
575 if (!frame->method || (frame->method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) ||
576 (frame->method->iflags & (METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL | METHOD_IMPL_ATTRIBUTE_RUNTIME)))
579 hd = ((MonoMethodNormal*)frame->method)->header;
580 il_offset = frame->ip - hd->code;
581 if (!frame->method->wrapper_type)
584 if (func (frame->method, -1, il_offset, managed, user_data))
586 frame = frame->parent;
591 ves_pinvoke_method (MonoInvocation *frame, MonoMethodSignature *sig, MonoFunc addr, gboolean string_ctor)
597 TlsSetValue (frame_thread_id, frame->args);
602 if (!frame->method->info) {
603 func = frame->method->info = mono_create_trampoline (sig, string_ctor);
605 func = (MonoPIFunc)frame->method->info;
608 func = mono_create_trampoline (sig, string_ctor);
612 * frame->locals and args are unused for P/Invoke methods, so we reuse them.
613 * locals will point to the jmp_buf, while args will point to the previous
614 * MonoInvocation frame: this is needed to make exception searching work across
615 * managed/unmanaged boundaries.
617 frame->locals = (char*)&env;
618 frame->args = (char*)TlsGetValue (frame_thread_id);
619 TlsSetValue (frame_thread_id, frame);
621 func (addr, &frame->retval->data.p, frame->obj, frame->stack_args);
624 stackval_from_data (&mono_defaults.string_class->byval_arg,
625 frame->retval, (char*)&frame->retval->data.p, sig->pinvoke);
626 } else if (!MONO_TYPE_ISSTRUCT (sig->ret))
627 stackval_from_data (sig->ret, frame->retval, (char*)&frame->retval->data.p, sig->pinvoke);
629 TlsSetValue (frame_thread_id, frame->args);
634 * runtime specifies that the implementation of the method is automatically
635 * provided by the runtime and is primarily used for the methods of delegates.
638 ves_runtime_method (MonoInvocation *frame)
640 const char *name = frame->method->name;
641 MonoObject *obj = (MonoObject*)frame->obj;
642 MonoMulticastDelegate *delegate = (MonoMulticastDelegate*)frame->obj;
647 mono_class_init (frame->method->klass);
649 if (obj && mono_object_isinst (obj, mono_defaults.multicastdelegate_class)) {
650 if (*name == '.' && (strcmp (name, ".ctor") == 0)) {
651 mono_delegate_ctor (obj, frame->stack_args[0].data.p, frame->stack_args[1].data.p);
654 if (*name == 'I' && (strcmp (name, "Invoke") == 0)) {
661 code = (guchar*)delegate->delegate.method_ptr;
662 if ((ji = mono_jit_info_table_find (mono_root_domain, code))) {
664 INIT_FRAME(&call,frame,delegate->delegate.target,frame->stack_args,frame->retval,method);
665 ves_exec_method (&call);
670 g_assert_not_reached ();
673 delegate = delegate->prev;
677 if (*name == 'B' && (strcmp (name, "BeginInvoke") == 0)) {
678 nm = mono_marshal_get_delegate_begin_invoke (frame->method);
679 INIT_FRAME(&call,frame,obj,frame->stack_args,frame->retval,nm);
680 ves_exec_method (&call);
684 if (*name == 'E' && (strcmp (name, "EndInvoke") == 0)) {
685 nm = mono_marshal_get_delegate_end_invoke (frame->method);
686 INIT_FRAME(&call,frame,obj,frame->stack_args,frame->retval,nm);
687 ves_exec_method (&call);
693 if (obj && mono_object_isinst (obj, mono_defaults.array_class)) {
694 if (*name == 'S' && (strcmp (name, "Set") == 0)) {
695 ves_array_set (frame);
698 if (*name == 'G' && (strcmp (name, "Get") == 0)) {
699 ves_array_get (frame);
702 if (*name == 'A' && (strcmp (name, "Address") == 0)) {
703 ves_array_element_address (frame);
708 g_error ("Don't know how to exec runtime method %s.%s::%s",
709 frame->method->klass->name_space, frame->method->klass->name,
710 frame->method->name);
714 dump_stack (stackval *stack, stackval *sp)
717 GString *str = g_string_new ("");
720 return g_string_free (str, FALSE);
724 case VAL_I32: g_string_sprintfa (str, "[%d] ", s->data.i); break;
725 case VAL_I64: g_string_sprintfa (str, "[%lld] ", s->data.l); break;
726 case VAL_DOUBLE: g_string_sprintfa (str, "[%0.5f] ", s->data.f); break;
728 if (!global_no_pointers)
729 g_string_sprintfa (str, "[vt: %p] ", s->data.vt.vt);
731 g_string_sprintfa (str, "[vt%s] ", s->data.vt.vt ? "" : "=null");
734 MonoObject *obj = s->data.p;
735 if (global_no_pointers && obj && obj->vtable) {
736 MonoClass *klass = mono_object_class (obj);
737 if (klass == mono_defaults.string_class) {
738 char *utf8 = mono_string_to_utf8 ((MonoString*) obj);
739 g_string_sprintfa (str, "[str:%s] ", utf8);
742 } else if (klass == mono_defaults.sbyte_class) {
743 g_string_sprintfa (str, "[b:%d] ",
744 *(gint8 *)((guint8 *) obj + sizeof (MonoObject)));
746 } else if (klass == mono_defaults.int16_class) {
747 g_string_sprintfa (str, "[b:%d] ",
748 *(gint16 *)((guint8 *) obj + sizeof (MonoObject)));
750 } else if (klass == mono_defaults.int32_class) {
751 g_string_sprintfa (str, "[b:%d] ",
752 *(gint32 *)((guint8 *) obj + sizeof (MonoObject)));
754 } else if (klass == mono_defaults.byte_class) {
755 g_string_sprintfa (str, "[b:%u] ",
756 *(guint8 *)((guint8 *) obj + sizeof (MonoObject)));
758 } else if (klass == mono_defaults.char_class
759 || klass == mono_defaults.uint16_class) {
760 g_string_sprintfa (str, "[b:%u] ",
761 *(guint16 *)((guint8 *) obj + sizeof (MonoObject)));
763 } else if (klass == mono_defaults.uint32_class) {
764 g_string_sprintfa (str, "[b:%u] ",
765 *(guint32 *)((guint8 *) obj + sizeof (MonoObject)));
767 } else if (klass == mono_defaults.int64_class) {
768 g_string_sprintfa (str, "[b:%lld] ",
769 *(gint64 *)((guint8 *) obj + sizeof (MonoObject)));
771 } else if (klass == mono_defaults.uint64_class) {
772 g_string_sprintfa (str, "[b:%llu] ",
773 *(guint64 *)((guint8 *) obj + sizeof (MonoObject)));
775 } else if (klass == mono_defaults.double_class) {
776 g_string_sprintfa (str, "[b:%0.5f] ",
777 *(gdouble *)((guint8 *) obj + sizeof (MonoObject)));
779 } else if (klass == mono_defaults.single_class) {
780 g_string_sprintfa (str, "[b:%0.5f] ",
781 *(gfloat *)((guint8 *) obj + sizeof (MonoObject)));
783 } else if (klass == mono_defaults.boolean_class) {
784 g_string_sprintfa (str, "[b:%s] ",
785 *(gboolean *)((guint8 *) obj + sizeof (MonoObject))
793 if (!global_no_pointers)
794 g_string_sprintfa (str, "[%p] ", s->data.p);
796 g_string_sprintfa (str, s->data.p ? "[ptr] " : "[null] ");
801 return g_string_free (str, FALSE);
805 dump_frame (MonoInvocation *inv)
807 GString *str = g_string_new ("");
810 for (i = 0; inv; inv = inv->parent, ++i) {
811 MonoClass *k = inv->method->klass;
814 gchar *source = NULL;
815 if (inv->method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL ||
816 inv->method->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME) {
820 MonoMethodHeader *hd = ((MonoMethodNormal *)inv->method)->header;
823 codep = *(inv->ip) == 0xfe? inv->ip [1] + 256: *(inv->ip);
826 opname = mono_opcode_names [codep];
827 codep = inv->ip - hd->code;
829 source = mono_debug_source_location_from_il_offset (inv->method, codep, NULL);
831 args = dump_stack (inv->stack_args, inv->stack_args + inv->method->signature->param_count);
833 g_string_sprintfa (str, "#%d: 0x%05x %-10s in %s.%s::%s (%s) at %s\n", i, codep, opname,
834 k->name_space, k->name, inv->method->name, args, source);
836 g_string_sprintfa (str, "#%d: 0x%05x %-10s in %s.%s::%s (%s)\n", i, codep, opname,
837 k->name_space, k->name, inv->method->name, args);
841 return g_string_free (str, FALSE);
845 INLINE_STRING_LENGTH = 1,
848 INLINE_TYPE_ELEMENT_TYPE
852 calc_offsets (MonoImage *image, MonoMethod *method)
854 int i, align, size, offset = 0;
855 MonoMethodHeader *header = ((MonoMethodNormal*)method)->header;
856 MonoMethodSignature *signature = method->signature;
857 int hasthis = signature->hasthis;
858 register const unsigned char *ip, *end;
859 const MonoOpcode *opcode;
863 MonoDomain *domain = mono_domain_get ();
866 mono_profiler_method_jit (method); /* sort of... */
867 offsets = g_new0 (guint32, 2 + header->num_locals + signature->param_count + signature->hasthis);
868 for (i = 0; i < header->num_locals; ++i) {
869 size = mono_type_size (header->locals [i], &align);
871 offset &= ~(align - 1);
872 offsets [2 + i] = offset;
875 offsets [0] = offset;
878 offset += sizeof (gpointer) - 1;
879 offset &= ~(sizeof (gpointer) - 1);
880 offsets [2 + header->num_locals] = offset;
881 offset += sizeof (gpointer);
883 for (i = 0; i < signature->param_count; ++i) {
884 if (signature->pinvoke)
885 size = mono_type_native_stack_size (signature->params [i], &align);
887 size = mono_type_stack_size (signature->params [i], &align);
889 offset &= ~(align - 1);
890 offsets [2 + hasthis + header->num_locals + i] = offset;
893 offsets [1] = offset;
895 /* FIXME: This might cause a deadlock with domain->lock */
896 EnterCriticalSection (metadata_section);
897 /* intern the strings in the method. */
899 end = ip + header->code_size;
906 opcode = &mono_opcodes [i];
907 switch (opcode->argument) {
911 case MonoInlineString:
912 mono_ldstr (domain, image, mono_metadata_token_index (read32 (ip + 1)));
916 if (method->wrapper_type == MONO_WRAPPER_NONE) {
917 class = mono_class_get (image, read32 (ip + 1));
918 mono_class_init (class);
919 if (!(class->flags & TYPE_ATTRIBUTE_INTERFACE))
920 mono_class_vtable (domain, class);
924 case MonoInlineField:
925 token = read32 (ip + 1);
926 if (mono_metadata_token_table (token) == MONO_TABLE_MEMBERREF) {
927 mono_field_from_memberref (image, token, &class);
929 class = mono_class_get (image,
930 MONO_TOKEN_TYPE_DEF | mono_metadata_typedef_from_field (image, token & 0xffffff));
932 mono_class_init (class);
933 mono_class_vtable (domain, class);
936 case MonoInlineMethod:
937 if (method->wrapper_type == MONO_WRAPPER_NONE) {
938 m = mono_get_method (image, read32 (ip + 1), NULL);
939 mono_class_init (m->klass);
940 if (!(m->klass->flags & TYPE_ATTRIBUTE_INTERFACE))
941 mono_class_vtable (domain, m->klass);
947 case MonoShortInlineR:
949 case MonoInlineBrTarget:
955 case MonoShortInlineVar:
956 case MonoShortInlineI:
957 case MonoShortInlineBrTarget:
960 case MonoInlineSwitch: {
973 g_assert_not_reached ();
977 method->info = offsets;
980 * We store the inline info in addr, since it's unused for IL methods.
982 if (method->klass == mono_defaults.string_class) {
983 if (strcmp (method->name, "get_Length") == 0)
984 method->addr = GUINT_TO_POINTER (INLINE_STRING_LENGTH);
985 } else if (method->klass == mono_defaults.array_class) {
986 if (strcmp (method->name, "get_Length") == 0)
987 method->addr = GUINT_TO_POINTER (INLINE_ARRAY_LENGTH);
988 else if (strcmp (method->name, "get_Rank") == 0 || strcmp (method->name, "GetRank") == 0)
989 method->addr = GUINT_TO_POINTER (INLINE_ARRAY_RANK);
990 } else if (method->klass == mono_defaults.monotype_class) {
991 if (strcmp (method->name, "GetElementType") == 0)
992 method->addr = GUINT_TO_POINTER (INLINE_TYPE_ELEMENT_TYPE);
994 LeaveCriticalSection (metadata_section);
995 mono_profiler_method_end_jit (method, MONO_PROFILE_OK);
998 #define LOCAL_POS(n) (frame->locals + offsets [2 + (n)])
999 #define LOCAL_TYPE(header, n) ((header)->locals [(n)])
1001 #define ARG_POS(n) (args_pointers [(n)])
1002 #define ARG_TYPE(sig, n) ((n) ? (sig)->params [(n) - (sig)->hasthis] : \
1003 (sig)->hasthis ? &frame->method->klass->this_arg: (sig)->params [(0)])
1005 #define THROW_EX(exception,ex_ip) \
1007 char *stack_trace; \
1008 frame->ip = (ex_ip); \
1009 stack_trace = dump_frame (frame); \
1010 frame->ex = (MonoException*)(exception); \
1011 frame->ex->stack_trace = mono_string_new (domain, stack_trace); \
1012 g_free (stack_trace); \
1013 goto handle_exception; \
1016 typedef struct _vtallocation vtallocation;
1018 struct _vtallocation {
1021 char data [MONO_ZERO_LEN_ARRAY];
1024 #define vt_alloc(vtype,sp,native) \
1025 if ((vtype)->type == MONO_TYPE_VALUETYPE && !(vtype)->data.klass->enumtype) { \
1026 if (!(vtype)->byref) { \
1029 vtallocation *tmp, *prev; \
1030 if (native) size = mono_class_native_size ((vtype)->data.klass, &align); \
1031 else size = mono_class_value_size ((vtype)->data.klass, &align); \
1034 while (tmp && (tmp->size < size)) { \
1039 tmp = alloca (sizeof (vtallocation) + size); \
1041 g_assert (size < 10000); \
1045 prev->next = tmp->next; \
1047 vtalloc = tmp->next; \
1048 (sp)->data.vt.vt = tmp->data; \
1050 (sp)->data.vt.klass = (vtype)->data.klass; \
1054 #define vt_free(sp) \
1056 if ((sp)->type == VAL_VALUET) { \
1057 vtallocation *tmp = (vtallocation*)(((char*)(sp)->data.vt.vt) - G_STRUCT_OFFSET (vtallocation, data)); \
1058 tmp->next = vtalloc; \
1065 verify_method (MonoMethod *m)
1067 GSList *errors, *tmp;
1068 MonoVerifyInfo *info;
1070 errors = mono_method_verify (m, MONO_VERIFY_ALL);
1072 g_print ("Method %s.%s::%s has invalid IL.\n", m->klass->name_space, m->klass->name, m->name);
1073 for (tmp = errors; tmp; tmp = tmp->next) {
1075 g_print ("%s\n", info->message);
1079 mono_free_verify_list (errors);
1083 #define MYGUINT64_MAX 18446744073709551615ULL
1084 #define MYGINT64_MAX 9223372036854775807LL
1085 #define MYGINT64_MIN (-MYGINT64_MAX -1LL)
1087 #define MYGUINT32_MAX 4294967295U
1088 #define MYGINT32_MAX 2147483647
1089 #define MYGINT32_MIN (-MYGINT32_MAX -1)
1091 #define CHECK_ADD_OVERFLOW(a,b) \
1092 (gint32)(b) >= 0 ? (gint32)(MYGINT32_MAX) - (gint32)(b) < (gint32)(a) ? -1 : 0 \
1093 : (gint32)(MYGINT32_MIN) - (gint32)(b) > (gint32)(a) ? +1 : 0
1095 #define CHECK_ADD_OVERFLOW_UN(a,b) \
1096 (guint32)(MYGUINT32_MAX) - (guint32)(b) < (guint32)(a) ? -1 : 0
1098 #define CHECK_ADD_OVERFLOW64(a,b) \
1099 (gint64)(b) >= 0 ? (gint64)(MYGINT64_MAX) - (gint64)(b) < (gint64)(a) ? -1 : 0 \
1100 : (gint64)(MYGINT64_MIN) - (gint64)(b) > (gint64)(a) ? +1 : 0
1102 #define CHECK_ADD_OVERFLOW64_UN(a,b) \
1103 (guint64)(MYGUINT64_MAX) - (guint64)(b) < (guint64)(a) ? -1 : 0
1105 /* Resolves to TRUE if the operands would overflow */
1106 #define CHECK_MUL_OVERFLOW(a,b) \
1107 ((gint32)(a) == 0) || ((gint32)(b) == 0) ? 0 : \
1108 (((gint32)(a) > 0) && ((gint32)(b) > 0)) || (((gint32)(a) < 0) && ((gint32)(b) < 0)) ? \
1109 (gint32)(b) > ((MYGINT32_MAX) / (gint32)(a)) : \
1110 (gint32)(b) < ((MYGINT32_MIN) / (gint32)(a))
1112 #define CHECK_MUL_OVERFLOW_UN(a,b) \
1113 ((guint32)(a) == 0) || ((guint32)(b) == 0) ? 0 : \
1114 (guint32)(b) > ((MYGUINT32_MAX) / (guint32)(a))
1116 #define CHECK_MUL_OVERFLOW64(a,b) \
1117 ((gint64)(a) == 0) || ((gint64)(b) == 0) ? 0 : \
1118 (((gint64)(a) > 0) && ((gint64)(b) > 0)) || (((gint64)(a) < 0) && ((gint64)(b) < 0)) ? \
1119 (gint64)(b) > ((MYGINT64_MAX) / (gint64)(a)) : \
1120 (gint64)(b) < ((MYGINT64_MIN) / (gint64)(a))
1122 #define CHECK_MUL_OVERFLOW64_UN(a,b) \
1123 ((guint64)(a) == 0) || ((guint64)(b) == 0) ? 0 : \
1124 (guint64)(b) > ((MYGUINT64_MAX) / (guint64)(a))
1127 interp_mono_runtime_invoke (MonoMethod *method, void *obj, void **params, MonoObject **exc)
1129 MonoInvocation frame, *parent;
1130 MonoObject *retval = NULL;
1131 MonoMethodSignature *sig = method->signature;
1132 MonoClass *klass = mono_class_from_mono_type (sig->ret);
1133 int i, type, isobject = 0;
1136 stackval *args = alloca (sizeof (stackval) * sig->param_count);
1138 /* FIXME: Set frame for execption handling. */
1140 switch (sig->ret->type) {
1141 case MONO_TYPE_VOID:
1143 case MONO_TYPE_STRING:
1144 case MONO_TYPE_OBJECT:
1145 case MONO_TYPE_CLASS:
1146 case MONO_TYPE_ARRAY:
1147 case MONO_TYPE_SZARRAY:
1150 case MONO_TYPE_VALUETYPE:
1151 retval = mono_object_new (mono_domain_get (), klass);
1152 ret = ((char*)retval) + sizeof (MonoObject);
1153 if (!sig->ret->data.klass->enumtype)
1154 result.data.vt.vt = ret;
1157 retval = mono_object_new (mono_domain_get (), klass);
1158 ret = ((char*)retval) + sizeof (MonoObject);
1162 for (i = 0; i < sig->param_count; ++i) {
1163 if (sig->params [i]->byref) {
1164 args [i].type = VAL_POINTER;
1165 args [i].data.p = params [i];
1168 type = sig->params [i]->type;
1173 case MONO_TYPE_BOOLEAN:
1174 args [i].type = VAL_I32;
1175 args [i].data.i = *(MonoBoolean*)params [i];
1176 args [i].data.vt.klass = NULL;
1180 case MONO_TYPE_CHAR:
1181 args [i].type = VAL_I32;
1182 args [i].data.i = *(gint16*)params [i];
1183 args [i].data.vt.klass = NULL;
1185 #if SIZEOF_VOID_P == 4
1186 case MONO_TYPE_U: /* use VAL_POINTER? */
1191 args [i].type = VAL_I32;
1192 args [i].data.i = *(gint32*)params [i];
1193 args [i].data.vt.klass = NULL;
1195 #if SIZEOF_VOID_P == 8
1201 args [i].type = VAL_I64;
1202 args [i].data.l = *(gint64*)params [i];
1203 args [i].data.vt.klass = NULL;
1205 case MONO_TYPE_VALUETYPE:
1206 if (sig->params [i]->data.klass->enumtype) {
1207 type = sig->params [i]->data.klass->enum_basetype->type;
1210 args [i].type = VAL_POINTER;
1211 args [i].data.p = params [i];
1212 args [i].data.vt.klass = NULL;
1215 case MONO_TYPE_STRING:
1216 case MONO_TYPE_CLASS:
1217 case MONO_TYPE_ARRAY:
1218 case MONO_TYPE_SZARRAY:
1219 case MONO_TYPE_OBJECT:
1220 args [i].type = VAL_OBJ;
1221 args [i].data.p = params [i];
1222 args [i].data.vt.klass = NULL;
1225 g_error ("type 0x%x not handled in runtime invoke", sig->params [i]->type);
1229 if (method->klass->valuetype)
1230 /* Unbox the instance, since valuetype methods expect an interior pointer. */
1231 obj = mono_object_unbox (obj);
1233 /* chain with managed parent if any */
1234 parent = TlsGetValue (frame_thread_id);
1235 INIT_FRAME(&frame,parent,obj,args,&result,method);
1237 frame.invoke_trap = 1;
1238 ves_exec_method (&frame);
1239 if (exc && frame.ex) {
1240 *exc = (MonoObject*) frame.ex;
1243 if (sig->ret->type == MONO_TYPE_VOID && !method->string_ctor)
1245 if (isobject || method->string_ctor)
1246 return result.data.p;
1247 stackval_to_data (sig->ret, &result, ret, sig->pinvoke);
1252 * Need to optimize ALU ops when natural int == int32
1254 * IDEA: if we maintain a stack of ip, sp to be checked
1255 * in the return opcode, we could inline simple methods that don't
1256 * use the stack or local variables....
1258 * The {,.S} versions of many opcodes can/should be merged to reduce code
1263 ves_exec_method (MonoInvocation *frame)
1265 MonoDomain *domain = mono_domain_get ();
1266 MonoInvocation child_frame;
1267 MonoMethodHeader *header;
1268 MonoMethodSignature *signature;
1270 GSList *finally_ips = NULL;
1271 const unsigned char *endfinally_ip;
1272 register const unsigned char *ip;
1273 register stackval *sp = NULL;
1274 void **args_pointers;
1276 gint il_ins_count = -1;
1277 gint tracing = global_tracing;
1278 unsigned char tail_recursion = 0;
1279 unsigned char unaligned_address = 0;
1280 unsigned char volatile_address = 0;
1281 vtallocation *vtalloc = NULL;
1282 MonoVTable *method_class_vt;
1285 if (frame->method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL)
1286 frame->method = mono_marshal_get_native_wrapper (frame->method);
1288 method_class_vt = mono_class_vtable (domain, frame->method->klass);
1289 if (!method_class_vt->initialized)
1290 mono_runtime_class_init (method_class_vt);
1291 signature = frame->method->signature;
1295 if (frame->method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) {
1296 if (!frame->method->addr) {
1297 /* ugly, but needed by the iflags setting in loader.c */
1298 if (frame->method->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME) {
1299 ves_runtime_method (frame);
1301 goto handle_exception;
1305 if (frame->method->addr) {
1306 frame->ex = (MonoException*)mono_get_exception_missing_method ();
1307 goto handle_exception;
1310 ves_pinvoke_method (frame, frame->method->signature, frame->method->addr,
1311 frame->method->string_ctor);
1313 goto handle_exception;
1318 if (frame->method->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME) {
1319 ves_runtime_method (frame);
1321 goto handle_exception;
1326 /*verify_method (frame->method);*/
1328 header = ((MonoMethodNormal *)frame->method)->header;
1329 image = frame->method->klass->image;
1331 if (!frame->method->info)
1332 calc_offsets (image, frame->method);
1333 offsets = frame->method->info;
1336 * with alloca we get the expected huge performance gain
1337 * stackval *stack = g_new0(stackval, header->max_stack);
1339 g_assert (header->max_stack < 10000);
1340 sp = frame->stack = alloca (sizeof (stackval) * header->max_stack);
1342 if (header->num_locals) {
1343 g_assert (offsets [0] < 10000);
1344 frame->locals = alloca (offsets [0]);
1346 * yes, we do it unconditionally, because it needs to be done for
1347 * some cases anyway and checking for that would be even slower.
1349 memset (frame->locals, 0, offsets [0]);
1352 * Copy args from stack_args to args.
1354 if (signature->param_count || signature->hasthis) {
1356 int has_this = signature->hasthis;
1358 g_assert (offsets [1] < 10000);
1359 frame->args = alloca (offsets [1]);
1360 g_assert ((signature->param_count + has_this) < 1000);
1361 args_pointers = alloca (sizeof(void*) * (signature->param_count + has_this));
1364 this_arg = args_pointers [0] = frame->args;
1365 *this_arg = frame->obj;
1367 for (i = 0; i < signature->param_count; ++i) {
1368 args_pointers [i + has_this] = frame->args + offsets [2 + header->num_locals + has_this + i];
1369 stackval_to_data (signature->params [i], frame->stack_args + i, args_pointers [i + has_this], signature->pinvoke);
1373 child_frame.parent = frame;
1374 frame->child = &child_frame;
1381 * using while (ip < end) may result in a 15% performance drop,
1382 * but it may be useful for debug
1386 /*g_assert (sp >= stack);*/
1390 char *ins, *discode;
1391 if (sp > frame->stack) {
1392 ins = dump_stack (frame->stack, sp);
1394 ins = g_strdup ("");
1397 discode = mono_disasm_code_one (NULL, frame->method, ip, NULL);
1398 discode [strlen (discode) - 1] = 0; /* no \n */
1399 g_print ("(%d) %-29s %s\n", GetCurrentThreadId(), discode, ins);
1403 if (il_ins_count > 0)
1404 if (!(--il_ins_count))
1414 G_BREAKPOINT (); /* this is not portable... */
1419 CASE (CEE_LDARG_3) {
1420 int n = (*ip)-CEE_LDARG_0;
1422 vt_alloc (ARG_TYPE (signature, n), sp, signature->pinvoke);
1423 stackval_from_data (ARG_TYPE (signature, n), sp, ARG_POS (n), signature->pinvoke);
1430 CASE (CEE_LDLOC_3) {
1431 int n = (*ip)-CEE_LDLOC_0;
1433 if ((LOCAL_TYPE (header, n))->type == MONO_TYPE_I4) {
1435 sp->data.i = *(gint32*) LOCAL_POS (n);
1439 vt_alloc (LOCAL_TYPE (header, n), sp, FALSE);
1440 stackval_from_data (LOCAL_TYPE (header, n), sp, LOCAL_POS (n), FALSE);
1448 CASE (CEE_STLOC_3) {
1449 int n = (*ip)-CEE_STLOC_0;
1452 if ((LOCAL_TYPE (header, n))->type == MONO_TYPE_I4) {
1453 gint32 *p = (gint32*)LOCAL_POS (n);
1457 stackval_to_data (LOCAL_TYPE (header, n), sp, LOCAL_POS (n), FALSE);
1464 vt_alloc (ARG_TYPE (signature, *ip), sp, signature->pinvoke);
1465 stackval_from_data (ARG_TYPE (signature, *ip), sp, ARG_POS (*ip), signature->pinvoke);
1469 CASE (CEE_LDARGA_S) {
1474 t = ARG_TYPE (signature, *ip);
1475 c = mono_class_from_mono_type (t);
1476 sp->data.vt.klass = c;
1477 sp->data.vt.vt = ARG_POS (*ip);
1480 sp->type = VAL_VALUETA;
1491 stackval_to_data (ARG_TYPE (signature, *ip), sp, ARG_POS (*ip), signature->pinvoke);
1497 vt_alloc (LOCAL_TYPE (header, *ip), sp, FALSE);
1498 stackval_from_data (LOCAL_TYPE (header, *ip), sp, LOCAL_POS (*ip), FALSE);
1502 CASE (CEE_LDLOCA_S) {
1507 t = LOCAL_TYPE (header, *ip);
1508 c = mono_class_from_mono_type (t);
1509 sp->data.vt.klass = c;
1510 sp->data.p = LOCAL_POS (*ip);
1513 sp->type = VAL_VALUETA;
1524 stackval_to_data (LOCAL_TYPE (header, *ip), sp, LOCAL_POS (*ip), FALSE);
1532 sp->data.vt.klass = NULL;
1535 CASE (CEE_LDC_I4_M1)
1551 sp->data.i = (*ip) - CEE_LDC_I4_0;
1558 sp->data.i = *(const gint8 *)ip;
1565 sp->data.i = read32 (ip);
1572 sp->data.l = read64 (ip);
1579 sp->type = VAL_DOUBLE;
1588 sp->type = VAL_DOUBLE;
1589 readr8(ip, &sp->data.f);
1593 CASE (CEE_UNUSED99) ves_abort (); BREAK;
1595 if (sp [-1].type == VAL_VALUET) {
1596 MonoClass *c = sp [-1].data.vt.klass;
1597 vt_alloc (&c->byval_arg, sp, FALSE);
1598 stackval_from_data (&c->byval_arg, sp, sp [-1].data.vt.vt, FALSE);
1610 CASE (CEE_JMP) ves_abort(); BREAK;
1611 CASE (CEE_CALLVIRT) /* Fall through */
1612 CASE (CEE_CALLI) /* Fall through */
1614 MonoMethodSignature *csignature;
1616 stackval *endsp = sp;
1618 int virtual = *ip == CEE_CALLVIRT;
1619 int calli = *ip == CEE_CALLI;
1620 unsigned char *code = NULL;
1623 * We ignore tail recursion for now.
1630 token = read32 (ip);
1636 if (frame->method->wrapper_type != MONO_WRAPPER_NONE) {
1637 csignature = (MonoMethodSignature *)mono_method_get_wrapper_data (frame->method, token);
1638 child_frame.method = NULL;
1639 } else if ((ji = mono_jit_info_table_find (mono_root_domain, code))) {
1640 child_frame.method = ji->method;
1642 g_assert_not_reached ();
1646 child_frame.method = mono_get_method (image, token, NULL);
1647 if (!child_frame.method)
1648 THROW_EX (mono_get_exception_missing_method (), ip -5);
1649 csignature = child_frame.method->signature;
1651 stackval *this_arg = &sp [-csignature->param_count-1];
1652 if (!this_arg->data.p)
1653 THROW_EX (mono_get_exception_null_reference(), ip - 5);
1654 child_frame.method = get_virtual_method (domain, child_frame.method, this_arg);
1655 if (!child_frame.method)
1656 THROW_EX (mono_get_exception_missing_method (), ip -5);
1660 g_assert (csignature->call_convention == MONO_CALL_DEFAULT);
1661 /* decrement by the actual number of args */
1662 if (csignature->param_count) {
1663 sp -= csignature->param_count;
1664 child_frame.stack_args = sp;
1666 child_frame.stack_args = NULL;
1668 if (csignature->hasthis) {
1669 g_assert (sp >= frame->stack);
1672 * It may also be a TP from LD(S)FLDA
1673 * g_assert (sp->type == VAL_OBJ || sp->type == VAL_VALUETA);
1675 if (sp->type == VAL_OBJ && child_frame.method &&
1676 child_frame.method->klass->valuetype) /* unbox it */
1677 child_frame.obj = (char*)sp->data.p + sizeof (MonoObject);
1679 child_frame.obj = sp->data.p;
1681 child_frame.obj = NULL;
1683 if (csignature->ret->type != MONO_TYPE_VOID) {
1684 vt_alloc (csignature->ret, &retval, csignature->pinvoke);
1685 child_frame.retval = &retval;
1687 child_frame.retval = NULL;
1690 child_frame.ex = NULL;
1691 child_frame.ex_handler = NULL;
1693 if (!child_frame.method) {
1695 ves_pinvoke_method (&child_frame, csignature, (MonoFunc) code, FALSE);
1696 } else if (csignature->hasthis && sp->type == VAL_OBJ &&
1697 ((MonoObject *)sp->data.p)->vtable->klass == mono_defaults.transparent_proxy_class) {
1698 g_assert (child_frame.method);
1699 child_frame.method = mono_marshal_get_remoting_invoke (child_frame.method);
1700 ves_exec_method (&child_frame);
1702 switch (GPOINTER_TO_UINT (child_frame.method->addr)) {
1703 case INLINE_STRING_LENGTH:
1704 retval.type = VAL_I32;
1705 retval.data.i = ((MonoString*)sp->data.p)->length;
1706 /*g_print ("length of '%s' is %d\n", mono_string_to_utf8 (sp->data.p), retval.data.i);*/
1708 case INLINE_ARRAY_LENGTH:
1709 retval.type = VAL_I32;
1710 retval.data.i = mono_array_length ((MonoArray*)sp->data.p);
1712 case INLINE_ARRAY_RANK:
1713 retval.type = VAL_I32;
1714 retval.data.i = mono_object_class (sp->data.p)->rank;
1716 case INLINE_TYPE_ELEMENT_TYPE:
1717 retval.type = VAL_OBJ;
1719 MonoClass *c = mono_class_from_mono_type (((MonoReflectionType*)sp->data.p)->type);
1720 retval.data.vt.klass = NULL;
1721 if (c->enumtype && c->enum_basetype) /* types that are modifierd typebuilkders may not have enum_basetype set */
1722 retval.data.p = mono_type_get_object (domain, c->enum_basetype);
1723 else if (c->element_class)
1724 retval.data.p = mono_type_get_object (domain, &c->element_class->byval_arg);
1726 retval.data.p = NULL;
1730 ves_exec_method (&child_frame);
1734 while (endsp > sp) {
1739 if (child_frame.ex) {
1741 * An exception occurred, need to run finally, fault and catch handlers..
1743 frame->ex = child_frame.ex;
1744 goto handle_finally;
1747 /* need to handle typedbyref ... */
1748 if (csignature->ret->type != MONO_TYPE_VOID) {
1755 if (signature->ret->type != MONO_TYPE_VOID) {
1757 if (sp->type == VAL_VALUET) {
1758 /* the caller has already allocated the memory */
1759 stackval_from_data (signature->ret, frame->retval, sp->data.vt.vt, signature->pinvoke);
1762 *frame->retval = *sp;
1765 if (sp > frame->stack)
1766 g_warning ("more values on stack: %d", sp-frame->stack);
1770 CASE (CEE_BR_S) /* Fall through */
1772 if (*ip == CEE_BR) {
1774 ip += (gint32) read32(ip);
1778 ip += (signed char) *ip;
1782 CASE (CEE_BRFALSE) /* Fall through */
1783 CASE (CEE_BRFALSE_S) {
1786 if (*ip == CEE_BRFALSE_S) {
1787 broffset = (signed char)ip [1];
1790 broffset = (gint32) read32 (ip + 1);
1795 case VAL_I32: result = sp->data.i == 0; break;
1796 case VAL_I64: result = sp->data.l == 0; break;
1797 case VAL_DOUBLE: result = sp->data.f ? 0: 1; break;
1798 default: result = sp->data.p == NULL; break;
1804 CASE (CEE_BRTRUE) /* Fall through */
1805 CASE (CEE_BRTRUE_S) {
1808 if (*ip == CEE_BRTRUE_S) {
1809 broffset = (signed char)ip [1];
1812 broffset = (gint32) read32 (ip + 1);
1817 case VAL_I32: result = sp->data.i != 0; break;
1818 case VAL_I64: result = sp->data.l != 0; break;
1819 case VAL_DOUBLE: result = sp->data.f ? 1 : 0; break;
1820 default: result = sp->data.p != NULL; break;
1826 CASE (CEE_BEQ) /* Fall through */
1830 if (*ip == CEE_BEQ_S) {
1831 broffset = (signed char)ip [1];
1834 broffset = (gint32) read32 (ip + 1);
1838 if (sp->type == VAL_I32)
1839 result = sp [0].data.i == (gint)GET_NATI (sp [1]);
1840 else if (sp->type == VAL_I64)
1841 result = sp [0].data.l == sp [1].data.l;
1842 else if (sp->type == VAL_DOUBLE)
1843 result = sp [0].data.f == sp [1].data.f;
1845 result = (gint)GET_NATI (sp [0]) == (gint)GET_NATI (sp [1]);
1850 CASE (CEE_BGE) /* Fall through */
1854 if (*ip == CEE_BGE_S) {
1855 broffset = (signed char)ip [1];
1858 broffset = (gint32) read32 (ip + 1);
1862 if (sp->type == VAL_I32)
1863 result = sp [0].data.i >= (gint)GET_NATI (sp [1]);
1864 else if (sp->type == VAL_I64)
1865 result = sp [0].data.l >= sp [1].data.l;
1866 else if (sp->type == VAL_DOUBLE)
1867 result = sp [0].data.f >= sp [1].data.f;
1869 result = (gint)GET_NATI (sp [0]) >= (gint)GET_NATI (sp [1]);
1874 CASE (CEE_BGT) /* Fall through */
1878 if (*ip == CEE_BGT_S) {
1879 broffset = (signed char)ip [1];
1882 broffset = (gint32) read32 (ip + 1);
1886 if (sp->type == VAL_I32)
1887 result = sp [0].data.i > (gint)GET_NATI (sp [1]);
1888 else if (sp->type == VAL_I64)
1889 result = sp [0].data.l > sp [1].data.l;
1890 else if (sp->type == VAL_DOUBLE)
1891 result = sp [0].data.f > sp [1].data.f;
1893 result = (gint)GET_NATI (sp [0]) > (gint)GET_NATI (sp [1]);
1898 CASE (CEE_BLT) /* Fall through */
1902 if (*ip == CEE_BLT_S) {
1903 broffset = (signed char)ip [1];
1906 broffset = (gint32) read32 (ip + 1);
1910 if (sp->type == VAL_I32)
1911 result = sp[0].data.i < (gint)GET_NATI(sp[1]);
1912 else if (sp->type == VAL_I64)
1913 result = sp[0].data.l < sp[1].data.l;
1914 else if (sp->type == VAL_DOUBLE)
1915 result = sp[0].data.f < sp[1].data.f;
1917 result = (gint)GET_NATI(sp[0]) < (gint)GET_NATI(sp[1]);
1922 CASE (CEE_BLE) /* fall through */
1926 if (*ip == CEE_BLE_S) {
1927 broffset = (signed char)ip [1];
1930 broffset = (gint32) read32 (ip + 1);
1935 if (sp->type == VAL_I32)
1936 result = sp [0].data.i <= (gint)GET_NATI (sp [1]);
1937 else if (sp->type == VAL_I64)
1938 result = sp [0].data.l <= sp [1].data.l;
1939 else if (sp->type == VAL_DOUBLE)
1940 result = sp [0].data.f <= sp [1].data.f;
1943 * FIXME: here and in other places GET_NATI on the left side
1944 * _will_ be wrong when we change the macro to work on 64 bits
1947 result = (gint)GET_NATI (sp [0]) <= (gint)GET_NATI (sp [1]);
1953 CASE (CEE_BNE_UN) /* Fall through */
1954 CASE (CEE_BNE_UN_S) {
1957 if (*ip == CEE_BNE_UN_S) {
1958 broffset = (signed char)ip [1];
1961 broffset = (gint32) read32 (ip + 1);
1965 if (sp->type == VAL_I32)
1966 result = (guint32)sp [0].data.i != (guint32)GET_NATI (sp [1]);
1967 else if (sp->type == VAL_I64)
1968 result = (guint64)sp [0].data.l != (guint64)sp [1].data.l;
1969 else if (sp->type == VAL_DOUBLE)
1970 result = isunordered (sp [0].data.f, sp [1].data.f) ||
1971 (sp [0].data.f != sp [1].data.f);
1973 result = GET_NATI (sp [0]) != GET_NATI (sp [1]);
1978 CASE (CEE_BGE_UN) /* Fall through */
1979 CASE (CEE_BGE_UN_S) {
1982 if (*ip == CEE_BGE_UN_S) {
1983 broffset = (signed char)ip [1];
1986 broffset = (gint32) read32 (ip + 1);
1990 if (sp->type == VAL_I32)
1991 result = (guint32)sp [0].data.i >= (guint32)GET_NATI (sp [1]);
1992 else if (sp->type == VAL_I64)
1993 result = (guint64)sp [0].data.l >= (guint64)sp [1].data.l;
1994 else if (sp->type == VAL_DOUBLE)
1995 result = !isless (sp [0].data.f,sp [1].data.f);
1997 result = GET_NATI (sp [0]) >= GET_NATI (sp [1]);
2002 CASE (CEE_BGT_UN) /* Fall through */
2003 CASE (CEE_BGT_UN_S) {
2006 if (*ip == CEE_BGT_UN_S) {
2007 broffset = (signed char)ip [1];
2010 broffset = (gint32) read32 (ip + 1);
2014 if (sp->type == VAL_I32)
2015 result = (guint32)sp [0].data.i > (guint32)GET_NATI (sp [1]);
2016 else if (sp->type == VAL_I64)
2017 result = (guint64)sp [0].data.l > (guint64)sp [1].data.l;
2018 else if (sp->type == VAL_DOUBLE)
2019 result = isgreater (sp [0].data.f, sp [1].data.f);
2021 result = GET_NATI (sp [0]) > GET_NATI (sp [1]);
2026 CASE (CEE_BLE_UN) /* Fall through */
2027 CASE (CEE_BLE_UN_S) {
2030 if (*ip == CEE_BLE_UN_S) {
2031 broffset = (signed char)ip [1];
2034 broffset = (gint32) read32 (ip + 1);
2038 if (sp->type == VAL_I32)
2039 result = (guint32)sp [0].data.i <= (guint32)GET_NATI (sp [1]);
2040 else if (sp->type == VAL_I64)
2041 result = (guint64)sp [0].data.l <= (guint64)sp [1].data.l;
2042 else if (sp->type == VAL_DOUBLE)
2043 result = islessequal (sp [0].data.f, sp [1].data.f);
2045 result = GET_NATI (sp [0]) <= GET_NATI (sp [1]);
2050 CASE (CEE_BLT_UN) /* Fall through */
2051 CASE (CEE_BLT_UN_S) {
2054 if (*ip == CEE_BLT_UN_S) {
2055 broffset = (signed char)ip [1];
2058 broffset = (gint32) read32 (ip + 1);
2062 if (sp->type == VAL_I32)
2063 result = (guint32)sp[0].data.i < (guint32)GET_NATI(sp[1]);
2064 else if (sp->type == VAL_I64)
2065 result = (guint64)sp[0].data.l < (guint64)sp[1].data.l;
2066 else if (sp->type == VAL_DOUBLE)
2067 result = isunordered (sp [0].data.f, sp [1].data.f) ||
2068 (sp [0].data.f < sp [1].data.f);
2070 result = GET_NATI(sp[0]) < GET_NATI(sp[1]);
2077 const unsigned char *st;
2081 st = ip + sizeof (gint32) * n;
2083 if ((guint32)sp->data.i < n) {
2085 ip += sizeof (gint32) * (guint32)sp->data.i;
2086 offset = read32 (ip);
2095 sp[-1].type = VAL_I32;
2096 sp[-1].data.i = *(gint8*)sp[-1].data.p;
2100 sp[-1].type = VAL_I32;
2101 sp[-1].data.i = *(guint8*)sp[-1].data.p;
2105 sp[-1].type = VAL_I32;
2106 sp[-1].data.i = *(gint16*)sp[-1].data.p;
2110 sp[-1].type = VAL_I32;
2111 sp[-1].data.i = *(guint16*)sp[-1].data.p;
2113 CASE (CEE_LDIND_I4) /* Fall through */
2116 sp[-1].type = VAL_I32;
2117 sp[-1].data.i = *(gint32*)sp[-1].data.p;
2121 sp[-1].type = VAL_I64;
2122 sp[-1].data.l = *(gint64*)sp[-1].data.p;
2126 sp[-1].type = VAL_NATI;
2127 sp[-1].data.p = *(gpointer*)sp[-1].data.p;
2131 sp[-1].type = VAL_DOUBLE;
2132 sp[-1].data.f = *(gfloat*)sp[-1].data.p;
2136 sp[-1].type = VAL_DOUBLE;
2137 sp[-1].data.f = *(gdouble*)sp[-1].data.p;
2139 CASE (CEE_LDIND_REF)
2141 sp[-1].type = VAL_OBJ;
2142 sp[-1].data.p = *(gpointer*)sp[-1].data.p;
2143 sp[-1].data.vt.klass = NULL;
2145 CASE (CEE_STIND_REF) {
2153 CASE (CEE_STIND_I1) {
2158 *p = (gint8)sp[1].data.i;
2161 CASE (CEE_STIND_I2) {
2166 *p = (gint16)sp[1].data.i;
2169 CASE (CEE_STIND_I4) {
2177 CASE (CEE_STIND_I) {
2182 *p = (mono_i)sp[1].data.p;
2185 CASE (CEE_STIND_I8) {
2193 CASE (CEE_STIND_R4) {
2198 *p = (gfloat)sp[1].data.f;
2201 CASE (CEE_STIND_R8) {
2212 /* should probably consider the pointers as unsigned */
2213 if (sp->type == VAL_I32)
2214 sp [-1].data.i += GET_NATI (sp [0]);
2215 else if (sp->type == VAL_I64)
2216 sp [-1].data.l += sp [0].data.l;
2217 else if (sp->type == VAL_DOUBLE)
2218 sp [-1].data.f += sp [0].data.f;
2220 char *p = sp [-1].data.p;
2221 p += GET_NATI (sp [0]);
2228 /* should probably consider the pointers as unsigned */
2229 if (sp->type == VAL_I32)
2230 sp [-1].data.i -= GET_NATI (sp [0]);
2231 else if (sp->type == VAL_I64)
2232 sp [-1].data.l -= sp [0].data.l;
2233 else if (sp->type == VAL_DOUBLE)
2234 sp [-1].data.f -= sp [0].data.f;
2236 char *p = sp [-1].data.p;
2237 p -= GET_NATI (sp [0]);
2244 if (sp->type == VAL_I32)
2245 sp [-1].data.i *= (gint)GET_NATI (sp [0]);
2246 else if (sp->type == VAL_I64)
2247 sp [-1].data.l *= sp [0].data.l;
2248 else if (sp->type == VAL_DOUBLE)
2249 sp [-1].data.f *= sp [0].data.f;
2254 if (sp->type == VAL_I32) {
2255 if (GET_NATI (sp [0]) == 0)
2256 THROW_EX (mono_get_exception_divide_by_zero (), ip - 1);
2257 sp [-1].data.i /= (gint)GET_NATI (sp [0]);
2258 } else if (sp->type == VAL_I64) {
2259 if (sp [0].data.l == 0)
2260 THROW_EX (mono_get_exception_divide_by_zero (), ip - 1);
2261 sp [-1].data.l /= sp [0].data.l;
2262 } else if (sp->type == VAL_DOUBLE) {
2263 /* set NaN is divisor is 0.0 */
2264 sp [-1].data.f /= sp [0].data.f;
2270 if (sp->type == VAL_I32) {
2272 if (GET_NATI (sp [0]) == 0)
2273 THROW_EX (mono_get_exception_divide_by_zero (), ip - 1);
2274 val = sp [-1].data.i;
2275 val /= (guint32)GET_NATI (sp [0]);
2276 sp [-1].data.i = val;
2277 } else if (sp->type == VAL_I64) {
2279 if (sp [0].data.l == 0)
2280 THROW_EX (mono_get_exception_divide_by_zero (), ip - 1);
2281 val = sp [-1].data.l;
2282 val /= (guint64)sp [0].data.l;
2283 sp [-1].data.l = val;
2284 } else if (sp->type == VAL_NATI) {
2286 if (GET_NATI (sp [0]) == 0)
2287 THROW_EX (mono_get_exception_divide_by_zero (), ip - 1);
2288 val = (mono_u)sp [-1].data.p;
2289 val /= (mono_u)sp [0].data.p;
2290 sp [-1].data.p = (gpointer)val;
2296 if (sp->type == VAL_I32) {
2297 if (GET_NATI (sp [0]) == 0)
2298 THROW_EX (mono_get_exception_divide_by_zero (), ip - 1);
2299 sp [-1].data.i %= (gint)GET_NATI (sp [0]);
2300 } else if (sp->type == VAL_I64) {
2301 if (sp [0].data.l == 0)
2302 THROW_EX (mono_get_exception_divide_by_zero (), ip - 1);
2303 sp [-1].data.l %= sp [0].data.l;
2304 } else if (sp->type == VAL_DOUBLE) {
2305 /* FIXME: what do we actually do here? */
2306 sp [-1].data.f = fmod (sp [-1].data.f, sp [0].data.f);
2308 if (GET_NATI (sp [0]) == 0)
2309 THROW_EX (mono_get_exception_divide_by_zero (), ip - 1);
2310 (gint)GET_NATI (sp [-1]) %= (gint)GET_NATI (sp [0]);
2316 if (sp->type == VAL_I32) {
2317 if (GET_NATI (sp [0]) == 0)
2318 THROW_EX (mono_get_exception_divide_by_zero (), ip - 1);
2319 (guint)sp [-1].data.i %= (guint)GET_NATI (sp [0]);
2320 } else if (sp->type == VAL_I64) {
2321 if (sp [0].data.l == 0)
2322 THROW_EX (mono_get_exception_divide_by_zero (), ip - 1);
2323 (guint64)sp [-1].data.l %= (guint64)sp [0].data.l;
2324 } else if (sp->type == VAL_DOUBLE) {
2325 /* unspecified behaviour according to the spec */
2327 if (GET_NATI (sp [0]) == 0)
2328 THROW_EX (mono_get_exception_divide_by_zero (), ip - 1);
2329 (guint64)GET_NATI (sp [-1]) %= (guint64)GET_NATI (sp [0]);
2335 if (sp->type == VAL_I32)
2336 sp [-1].data.i &= GET_NATI (sp [0]);
2337 else if (sp->type == VAL_I64)
2338 sp [-1].data.l &= sp [0].data.l;
2340 GET_NATI (sp [-1]) &= GET_NATI (sp [0]);
2345 if (sp->type == VAL_I32)
2346 sp [-1].data.i |= GET_NATI (sp [0]);
2347 else if (sp->type == VAL_I64)
2348 sp [-1].data.l |= sp [0].data.l;
2350 GET_NATI (sp [-1]) |= GET_NATI (sp [0]);
2355 if (sp->type == VAL_I32)
2356 sp [-1].data.i ^= GET_NATI (sp [0]);
2357 else if (sp->type == VAL_I64)
2358 sp [-1].data.l ^= sp [0].data.l;
2360 GET_NATI (sp [-1]) ^= GET_NATI (sp [0]);
2365 if (sp [-1].type == VAL_I32)
2366 sp [-1].data.i <<= GET_NATI (sp [0]);
2367 else if (sp [-1].type == VAL_I64)
2368 sp [-1].data.l <<= GET_NATI (sp [0]);
2370 GET_NATI (sp [-1]) <<= GET_NATI (sp [0]);
2375 if (sp [-1].type == VAL_I32)
2376 sp [-1].data.i >>= GET_NATI (sp [0]);
2377 else if (sp [-1].type == VAL_I64)
2378 sp [-1].data.l >>= GET_NATI (sp [0]);
2380 (gint)GET_NATI (sp [-1]) >>= GET_NATI (sp [0]);
2385 if (sp [-1].type == VAL_I32)
2386 (guint)sp [-1].data.i >>= GET_NATI (sp [0]);
2387 else if (sp [-1].type == VAL_I64)
2388 (guint64)sp [-1].data.l >>= GET_NATI (sp [0]);
2390 (guint64)GET_NATI (sp [-1]) >>= GET_NATI (sp [0]);
2395 if (sp->type == VAL_I32)
2396 sp->data.i = - sp->data.i;
2397 else if (sp->type == VAL_I64)
2398 sp->data.l = - sp->data.l;
2399 else if (sp->type == VAL_DOUBLE)
2400 sp->data.f = - sp->data.f;
2401 else if (sp->type == VAL_NATI)
2402 sp->data.p = (gpointer)(- (mono_i)sp->data.p);
2408 if (sp->type == VAL_I32)
2409 sp->data.i = ~ sp->data.i;
2410 else if (sp->type == VAL_I64)
2411 sp->data.l = ~ sp->data.l;
2412 else if (sp->type == VAL_NATI)
2413 sp->data.p = (gpointer)(~ (mono_i)sp->data.p);
2416 CASE (CEE_CONV_U1) /* fall through */
2417 CASE (CEE_CONV_I1) {
2419 switch (sp [-1].type) {
2421 sp [-1].data.i = (gint8)sp [-1].data.f;
2424 sp [-1].data.i = (gint8)sp [-1].data.l;
2429 sp [-1].data.i = (gint8)sp [-1].data.i;
2432 sp [-1].data.i = (gint8)sp [-1].data.nati;
2435 sp [-1].type = VAL_I32;
2438 CASE (CEE_CONV_U2) /* fall through */
2439 CASE (CEE_CONV_I2) {
2441 switch (sp [-1].type) {
2443 sp [-1].data.i = (gint16)sp [-1].data.f;
2446 sp [-1].data.i = (gint16)sp [-1].data.l;
2451 sp [-1].data.i = (gint16)sp [-1].data.i;
2454 sp [-1].data.i = (gint16)sp [-1].data.nati;
2457 sp [-1].type = VAL_I32;
2460 CASE (CEE_CONV_U4) /* Fall through */
2461 #if SIZEOF_VOID_P == 4
2462 CASE (CEE_CONV_I) /* Fall through */
2463 CASE (CEE_CONV_U) /* Fall through */
2465 CASE (CEE_CONV_I4) {
2467 switch (sp [-1].type) {
2469 sp [-1].data.i = (gint32)sp [-1].data.f;
2472 sp [-1].data.i = (gint32)sp [-1].data.l;
2479 sp [-1].data.i = (gint32)sp [-1].data.p;
2482 sp [-1].type = VAL_I32;
2485 #if SIZEOF_VOID_P == 8
2486 CASE (CEE_CONV_I) /* Fall through */
2490 switch (sp [-1].type) {
2492 sp [-1].data.l = (gint64)sp [-1].data.f;
2499 sp [-1].data.l = (gint64)sp [-1].data.i;
2502 sp [-1].data.l = (gint64)sp [-1].data.nati;
2505 sp [-1].type = VAL_I64;
2507 CASE (CEE_CONV_R4) {
2509 switch (sp [-1].type) {
2511 sp [-1].data.f = (float)sp [-1].data.f;
2514 sp [-1].data.f = (float)sp [-1].data.l;
2519 sp [-1].data.f = (float)sp [-1].data.i;
2522 sp [-1].data.f = (float)sp [-1].data.nati;
2525 sp [-1].type = VAL_DOUBLE;
2528 CASE (CEE_CONV_R8) {
2530 switch (sp [-1].type) {
2532 sp [-1].data.f = (double)sp [-1].data.f;
2535 sp [-1].data.f = (double)sp [-1].data.l;
2540 sp [-1].data.f = (double)sp [-1].data.i;
2543 sp [-1].data.f = (double)sp [-1].data.nati;
2546 sp [-1].type = VAL_DOUBLE;
2549 #if SIZEOF_VOID_P == 8
2550 CASE (CEE_CONV_U) /* Fall through */
2555 switch (sp [-1].type){
2557 sp [-1].data.l = (guint64)sp [-1].data.f;
2564 sp [-1].data.l = sp [-1].data.i & 0xffffffff;
2567 sp [-1].data.l = (guint64) sp [-1].data.nati;
2570 sp [-1].type = VAL_I64;
2575 vtklass = mono_class_get (image, read32 (ip));
2578 memcpy (sp [0].data.p, sp [1].data.p, mono_class_value_size (vtklass, NULL));
2587 token = read32 (ip);
2590 if (frame->method->wrapper_type != MONO_WRAPPER_NONE)
2591 c = (MonoClass *)mono_method_get_wrapper_data (frame->method, token);
2593 c = mono_class_get (image, token);
2595 addr = sp [-1].data.vt.vt;
2596 vt_alloc (&c->byval_arg, &sp [-1], FALSE);
2597 stackval_from_data (&c->byval_arg, &sp [-1], addr, FALSE);
2605 str_index = mono_metadata_token_index (read32 (ip));
2608 o = (MonoObject*)mono_ldstr (domain, image, str_index);
2611 sp->data.vt.klass = NULL;
2618 MonoClass *newobj_class;
2619 MonoMethodSignature *csig;
2620 stackval valuetype_this;
2621 stackval *endsp = sp;
2628 token = read32 (ip);
2631 if (!(child_frame.method = mono_get_method (image, token, NULL)))
2632 THROW_EX (mono_get_exception_missing_method (), ip -5);
2634 csig = child_frame.method->signature;
2635 newobj_class = child_frame.method->klass;
2636 /*if (profiling_classes) {
2637 guint count = GPOINTER_TO_UINT (g_hash_table_lookup (profiling_classes, newobj_class));
2639 g_hash_table_insert (profiling_classes, newobj_class, GUINT_TO_POINTER (count));
2643 if (newobj_class->parent == mono_defaults.array_class) {
2644 sp -= csig->param_count;
2645 o = ves_array_create (domain, newobj_class, csig, sp);
2646 goto array_constructed;
2650 * First arg is the object.
2652 if (newobj_class->valuetype) {
2654 vt_alloc (&newobj_class->byval_arg, &valuetype_this, csig->pinvoke);
2655 if (!newobj_class->enumtype && (newobj_class->byval_arg.type == MONO_TYPE_VALUETYPE)) {
2656 zero = valuetype_this.data.vt.vt;
2657 child_frame.obj = valuetype_this.data.vt.vt;
2659 memset (&valuetype_this, 0, sizeof (stackval));
2660 zero = &valuetype_this;
2661 child_frame.obj = &valuetype_this;
2663 stackval_from_data (&newobj_class->byval_arg, &valuetype_this, zero, csig->pinvoke);
2665 if (newobj_class != mono_defaults.string_class) {
2666 o = mono_object_new (domain, newobj_class);
2667 child_frame.obj = o;
2669 child_frame.retval = &retval;
2673 if (csig->param_count) {
2674 sp -= csig->param_count;
2675 child_frame.stack_args = sp;
2677 child_frame.stack_args = NULL;
2680 g_assert (csig->call_convention == MONO_CALL_DEFAULT);
2682 child_frame.ex = NULL;
2683 child_frame.ex_handler = NULL;
2685 ves_exec_method (&child_frame);
2687 while (endsp > sp) {
2692 if (child_frame.ex) {
2694 * An exception occurred, need to run finally, fault and catch handlers..
2696 frame->ex = child_frame.ex;
2697 goto handle_finally;
2700 * a constructor returns void, but we need to return the object we created
2703 if (newobj_class->valuetype && !newobj_class->enumtype) {
2704 *sp = valuetype_this;
2705 } else if (newobj_class == mono_defaults.string_class) {
2710 sp->data.vt.klass = newobj_class;
2715 CASE (CEE_CASTCLASS) /* Fall through */
2719 MonoClass *c , *oclass;
2721 int do_isinst = *ip == CEE_ISINST;
2724 token = read32 (ip);
2725 c = mono_class_get (image, token);
2727 g_assert (sp [-1].type == VAL_OBJ);
2729 if ((o = sp [-1].data.p)) {
2733 if (mono_object_isinst (o, c)) {
2734 sp [-1].data.vt.klass = c;
2738 sp [-1].data.p = NULL;
2739 sp [-1].data.vt.klass = NULL;
2741 THROW_EX (mono_get_exception_invalid_cast (), ip - 1);
2747 CASE (CEE_CONV_R_UN)
2749 switch (sp [-1].type) {
2753 sp [-1].data.f = (double)(guint64)sp [-1].data.l;
2758 sp [-1].data.f = (double)(guint32)sp [-1].data.i;
2761 sp [-1].data.f = (double)(guint64)sp [-1].data.nati;
2764 sp [-1].type = VAL_DOUBLE;
2767 CASE (CEE_UNUSED1) ves_abort(); BREAK;
2774 token = read32 (ip);
2776 if (frame->method->wrapper_type != MONO_WRAPPER_NONE)
2777 c = (MonoClass *)mono_method_get_wrapper_data (frame->method, token);
2779 c = mono_class_get (image, token);
2783 THROW_EX (mono_get_exception_null_reference(), ip - 1);
2785 if (o->vtable->klass->element_class->type_token != c->element_class->type_token)
2786 THROW_EX (mono_get_exception_invalid_cast (), ip - 1);
2788 sp [-1].type = VAL_MP;
2789 sp [-1].data.p = (char *)o + sizeof (MonoObject);
2796 frame->ex_handler = NULL;
2798 sp->data.p = mono_get_exception_null_reference ();
2799 THROW_EX (sp->data.p, ip);
2801 CASE (CEE_LDFLDA) /* Fall through */
2804 MonoClassField *field;
2806 int load_addr = *ip == CEE_LDFLDA;
2809 if (!sp [-1].data.p)
2810 THROW_EX (mono_get_exception_null_reference (), ip);
2813 token = read32 (ip);
2816 if (sp [-1].type == VAL_OBJ) {
2817 obj = sp [-1].data.p;
2819 if (obj->vtable->klass == mono_defaults.transparent_proxy_class) {
2820 MonoClass *klass = ((MonoTransparentProxy*)obj)->klass;
2821 field = mono_class_get_field (klass, token);
2822 addr = mono_load_remote_field (obj, klass, field, NULL);
2824 if (mono_metadata_token_table (token) == MONO_TABLE_MEMBERREF)
2825 field = mono_field_from_memberref (image, token, NULL);
2827 field = mono_class_get_field (obj->vtable->klass, token);
2828 addr = (char*)obj + field->offset;
2831 obj = sp [-1].data.vt.vt;
2832 field = mono_class_get_field (sp [-1].data.vt.klass, token);
2833 addr = (char*)obj + field->offset - sizeof (MonoObject);
2837 sp [-1].type = VAL_TP;
2838 sp [-1].data.p = addr;
2839 sp [-1].data.vt.klass = mono_class_from_mono_type (field->type);
2841 vt_alloc (field->type, &sp [-1], FALSE);
2842 stackval_from_data (field->type, &sp [-1], addr, FALSE);
2849 MonoClassField *field;
2850 guint32 token, offset;
2855 THROW_EX (mono_get_exception_null_reference (), ip);
2858 token = read32 (ip);
2861 if (sp [0].type == VAL_OBJ) {
2862 obj = sp [0].data.p;
2864 if (obj->vtable->klass == mono_defaults.transparent_proxy_class) {
2865 MonoClass *klass = ((MonoTransparentProxy*)obj)->klass;
2866 field = mono_class_get_field (klass, token);
2868 mono_store_remote_field (obj, klass, field, &sp [1].data);
2869 offset = field->offset;
2871 if (mono_metadata_token_table (token) == MONO_TABLE_MEMBERREF)
2872 field = mono_field_from_memberref (image, token, NULL);
2874 field = mono_class_get_field (obj->vtable->klass, token);
2875 offset = field->offset;
2876 stackval_to_data (field->type, &sp [1], (char*)obj + offset, FALSE);
2880 obj = sp [0].data.vt.vt;
2881 field = mono_class_get_field (sp [0].data.vt.klass, token);
2882 offset = field->offset - sizeof (MonoObject);
2883 stackval_to_data (field->type, &sp [1], (char*)obj + offset, FALSE);
2889 CASE (CEE_LDSFLD) /* Fall through */
2890 CASE (CEE_LDSFLDA) {
2893 MonoClassField *field;
2895 int load_addr = *ip == CEE_LDSFLDA;
2899 token = read32 (ip);
2902 /* need to handle fieldrefs */
2903 if (mono_metadata_token_table (token) == MONO_TABLE_MEMBERREF) {
2904 field = mono_field_from_memberref (image, token, &klass);
2906 klass = mono_class_get (image,
2907 MONO_TOKEN_TYPE_DEF | mono_metadata_typedef_from_field (image, token & 0xffffff));
2908 field = mono_class_get_field (klass, token);
2912 vt = mono_class_vtable (domain, klass);
2913 if (!vt->initialized)
2914 mono_runtime_class_init (vt);
2915 if (!domain->thread_static_fields || !(addr = g_hash_table_lookup (domain->thread_static_fields, field)))
2916 addr = (char*)(vt->data) + field->offset;
2918 addr = mono_threads_get_static_data (GPOINTER_TO_UINT (addr));
2923 sp->data.vt.klass = mono_class_from_mono_type (field->type);
2925 vt_alloc (field->type, sp, FALSE);
2926 stackval_from_data (field->type, sp, addr, FALSE);
2934 MonoClassField *field;
2939 token = read32 (ip);
2943 /* need to handle fieldrefs */
2944 if (mono_metadata_token_table (token) == MONO_TABLE_MEMBERREF) {
2945 field = mono_field_from_memberref (image, token, &klass);
2947 klass = mono_class_get (image,
2948 MONO_TOKEN_TYPE_DEF | mono_metadata_typedef_from_field (image, token & 0xffffff));
2949 field = mono_class_get_field (klass, token);
2953 vt = mono_class_vtable (domain, klass);
2954 if (!vt->initialized)
2955 mono_runtime_class_init (vt);
2956 if (!domain->thread_static_fields || !(addr = g_hash_table_lookup (domain->thread_static_fields, field)))
2957 addr = (char*)(vt->data) + field->offset;
2959 addr = mono_threads_get_static_data (GPOINTER_TO_UINT (addr));
2961 stackval_to_data (field->type, sp, addr, FALSE);
2968 vtklass = mono_class_get (image, read32 (ip));
2973 * LAMESPEC: According to the spec, the stack should contain a
2974 * pointer to a value type. In reality, it can contain anything.
2976 if (sp [1].type == VAL_VALUET)
2977 memcpy (sp [0].data.p, sp [1].data.vt.vt, mono_class_value_size (vtklass, NULL));
2979 memcpy (sp [0].data.p, &sp [1].data, mono_class_value_size (vtklass, NULL));
2982 #if SIZEOF_VOID_P == 8
2983 CASE (CEE_CONV_OVF_I_UN)
2985 CASE (CEE_CONV_OVF_I8_UN) {
2986 switch (sp [-1].type) {
2988 if (sp [-1].data.f < 0 || sp [-1].data.f > 9223372036854775807LL)
2989 THROW_EX (mono_get_exception_overflow (), ip);
2990 sp [-1].data.l = (guint64)sp [-1].data.f;
2997 /* Can't overflow */
2998 sp [-1].data.l = (guint64)sp [-1].data.i;
3001 sp [-1].data.l = (guint64)sp [-1].data.nati;
3004 sp [-1].type = VAL_I64;
3008 #if SIZEOF_VOID_P == 8
3009 CASE (CEE_CONV_OVF_U_UN)
3011 CASE (CEE_CONV_OVF_U8_UN) {
3012 switch (sp [-1].type) {
3014 if (sp [-1].data.f < 0 || sp [-1].data.f > MYGUINT64_MAX)
3015 THROW_EX (mono_get_exception_overflow (), ip);
3016 sp [-1].data.l = (guint64)sp [-1].data.f;
3024 /* Can't overflow */
3025 sp [-1].data.l = (guint64)sp [-1].data.i;
3028 /* Can't overflow */
3029 sp [-1].data.l = (guint64)sp [-1].data.nati;
3032 sp [-1].type = VAL_I64;
3036 #if SIZEOF_VOID_P == 4
3037 CASE (CEE_CONV_OVF_I_UN)
3038 CASE (CEE_CONV_OVF_U_UN)
3040 CASE (CEE_CONV_OVF_I1_UN)
3041 CASE (CEE_CONV_OVF_I2_UN)
3042 CASE (CEE_CONV_OVF_I4_UN)
3043 CASE (CEE_CONV_OVF_U1_UN)
3044 CASE (CEE_CONV_OVF_U2_UN)
3045 CASE (CEE_CONV_OVF_U4_UN) {
3047 switch (sp [-1].type) {
3049 value = (guint64)sp [-1].data.f;
3052 value = (guint64)sp [-1].data.l;
3057 value = (guint64)sp [-1].data.i;
3060 value = (guint64)sp [-1].data.nati;
3064 case CEE_CONV_OVF_I1_UN:
3066 THROW_EX (mono_get_exception_overflow (), ip);
3067 sp [-1].data.i = value;
3068 sp [-1].type = VAL_I32;
3070 case CEE_CONV_OVF_I2_UN:
3072 THROW_EX (mono_get_exception_overflow (), ip);
3073 sp [-1].data.i = value;
3074 sp [-1].type = VAL_I32;
3076 #if SIZEOF_VOID_P == 4
3077 case CEE_CONV_OVF_I_UN: /* Fall through */
3079 case CEE_CONV_OVF_I4_UN:
3080 if (value > 2147483647)
3081 THROW_EX (mono_get_exception_overflow (), ip);
3082 sp [-1].data.i = value;
3083 sp [-1].type = VAL_I32;
3085 case CEE_CONV_OVF_U1_UN:
3087 THROW_EX (mono_get_exception_overflow (), ip);
3088 sp [-1].data.i = value;
3089 sp [-1].type = VAL_I32;
3091 case CEE_CONV_OVF_U2_UN:
3093 THROW_EX (mono_get_exception_overflow (), ip);
3094 sp [-1].data.i = value;
3095 sp [-1].type = VAL_I32;
3097 #if SIZEOF_VOID_P == 4
3098 case CEE_CONV_OVF_U_UN: /* Fall through */
3100 case CEE_CONV_OVF_U4_UN:
3101 if (value > 4294967295U)
3102 THROW_EX (mono_get_exception_overflow (), ip);
3103 sp [-1].data.i = value;
3104 sp [-1].type = VAL_I32;
3107 g_assert_not_reached ();
3117 token = read32 (ip);
3119 if (frame->method->wrapper_type != MONO_WRAPPER_NONE)
3120 class = (MonoClass *)mono_method_get_wrapper_data (frame->method, token);
3122 class = mono_class_get (image, token);
3123 g_assert (class != NULL);
3125 sp [-1].type = VAL_OBJ;
3126 if (class->byval_arg.type == MONO_TYPE_VALUETYPE && !class->enumtype)
3127 sp [-1].data.p = mono_value_box (domain, class, sp [-1].data.p);
3129 stackval_to_data (&class->byval_arg, &sp [-1], (char*)&sp [-1], FALSE);
3130 sp [-1].data.p = mono_value_box (domain, class, &sp [-1]);
3132 /* need to vt_free (sp); */
3144 token = read32 (ip);
3146 if (frame->method->wrapper_type != MONO_WRAPPER_NONE)
3147 class = (MonoClass *)mono_method_get_wrapper_data (frame->method, token);
3149 class = mono_class_get (image, token);
3151 o = (MonoObject*) mono_array_new (domain, class, sp [-1].data.i);
3154 sp [-1].type = VAL_OBJ;
3156 /*if (profiling_classes) {
3157 guint count = GPOINTER_TO_UINT (g_hash_table_lookup (profiling_classes, o->vtable->klass));
3159 g_hash_table_insert (profiling_classes, o->vtable->klass, GUINT_TO_POINTER (count));
3169 g_assert (sp [-1].type == VAL_OBJ);
3173 THROW_EX (mono_get_exception_null_reference (), ip - 1);
3175 g_assert (MONO_CLASS_IS_ARRAY (o->obj.vtable->klass));
3177 sp [-1].type = VAL_I32;
3178 sp [-1].data.i = mono_array_length (o);
3182 CASE (CEE_LDELEMA) {
3184 guint32 esize, token;
3188 token = read32 (ip);
3192 g_assert (sp [0].type == VAL_OBJ);
3195 g_assert (MONO_CLASS_IS_ARRAY (o->obj.vtable->klass));
3197 aindex = sp [1].type == VAL_I32? sp [1].data.i: sp [1].data.nati;
3198 if (aindex >= mono_array_length (o))
3199 THROW_EX (mono_get_exception_index_out_of_range (), ip - 5);
3201 /* check the array element corresponds to token */
3202 esize = mono_array_element_size (o->obj.vtable->klass);
3205 sp->data.p = mono_array_addr_with_size (o, esize, aindex);
3206 sp->data.vt.klass = o->obj.vtable->klass->element_class;
3211 CASE (CEE_LDELEM_I1) /* fall through */
3212 CASE (CEE_LDELEM_U1) /* fall through */
3213 CASE (CEE_LDELEM_I2) /* fall through */
3214 CASE (CEE_LDELEM_U2) /* fall through */
3215 CASE (CEE_LDELEM_I4) /* fall through */
3216 CASE (CEE_LDELEM_U4) /* fall through */
3217 CASE (CEE_LDELEM_I8) /* fall through */
3218 CASE (CEE_LDELEM_I) /* fall through */
3219 CASE (CEE_LDELEM_R4) /* fall through */
3220 CASE (CEE_LDELEM_R8) /* fall through */
3221 CASE (CEE_LDELEM_REF) {
3227 g_assert (sp [0].type == VAL_OBJ);
3230 THROW_EX (mono_get_exception_null_reference (), ip);
3232 g_assert (MONO_CLASS_IS_ARRAY (o->obj.vtable->klass));
3234 aindex = sp [1].type == VAL_I32? sp [1].data.i: sp [1].data.nati;
3235 if (aindex >= mono_array_length (o))
3236 THROW_EX (mono_get_exception_index_out_of_range (), ip);
3239 * FIXME: throw mono_get_exception_array_type_mismatch () if needed
3243 sp [0].data.i = mono_array_get (o, gint8, aindex);
3244 sp [0].type = VAL_I32;
3247 sp [0].data.i = mono_array_get (o, guint8, aindex);
3248 sp [0].type = VAL_I32;
3251 sp [0].data.i = mono_array_get (o, gint16, aindex);
3252 sp [0].type = VAL_I32;
3255 sp [0].data.i = mono_array_get (o, guint16, aindex);
3256 sp [0].type = VAL_I32;
3259 sp [0].data.nati = mono_array_get (o, mono_i, aindex);
3260 sp [0].type = VAL_NATI;
3263 sp [0].data.i = mono_array_get (o, gint32, aindex);
3264 sp [0].type = VAL_I32;
3267 sp [0].data.i = mono_array_get (o, guint32, aindex);
3268 sp [0].type = VAL_I32;
3271 sp [0].data.l = mono_array_get (o, guint64, aindex);
3272 sp [0].type = VAL_I64;
3275 sp [0].data.f = mono_array_get (o, float, aindex);
3276 sp [0].type = VAL_DOUBLE;
3279 sp [0].data.f = mono_array_get (o, double, aindex);
3280 sp [0].type = VAL_DOUBLE;
3282 case CEE_LDELEM_REF:
3283 sp [0].data.p = mono_array_get (o, gpointer, aindex);
3284 sp [0].data.vt.klass = NULL;
3285 sp [0].type = VAL_OBJ;
3295 CASE (CEE_STELEM_I) /* fall through */
3296 CASE (CEE_STELEM_I1) /* fall through */
3297 CASE (CEE_STELEM_I2) /* fall through */
3298 CASE (CEE_STELEM_I4) /* fall through */
3299 CASE (CEE_STELEM_I8) /* fall through */
3300 CASE (CEE_STELEM_R4) /* fall through */
3301 CASE (CEE_STELEM_R8) /* fall through */
3302 CASE (CEE_STELEM_REF) {
3309 g_assert (sp [0].type == VAL_OBJ);
3312 THROW_EX (mono_get_exception_null_reference (), ip);
3314 ac = o->obj.vtable->klass;
3315 g_assert (MONO_CLASS_IS_ARRAY (ac));
3317 aindex = sp [1].type == VAL_I32? sp [1].data.i: sp [1].data.nati;
3318 if (aindex >= mono_array_length (o))
3319 THROW_EX (mono_get_exception_index_out_of_range (), ip);
3322 * FIXME: throw mono_get_exception_array_type_mismatch () if needed
3326 mono_array_set (o, mono_i, aindex, sp [2].data.nati);
3329 mono_array_set (o, gint8, aindex, sp [2].data.i);
3332 mono_array_set (o, gint16, aindex, sp [2].data.i);
3335 mono_array_set (o, gint32, aindex, sp [2].data.i);
3338 mono_array_set (o, gint64, aindex, sp [2].data.l);
3341 mono_array_set (o, float, aindex, sp [2].data.f);
3344 mono_array_set (o, double, aindex, sp [2].data.f);
3346 case CEE_STELEM_REF:
3347 g_assert (sp [2].type == VAL_OBJ);
3348 if (sp [2].data.p && !mono_object_isinst (sp [2].data.p, mono_object_class (o)->element_class))
3349 THROW_EX (mono_get_exception_array_type_mismatch (), ip);
3350 mono_array_set (o, gpointer, aindex, sp [2].data.p);
3361 CASE (CEE_UNBOX_ANY)
3374 CASE (CEE_UNUSED17) ves_abort(); BREAK;
3375 CASE (CEE_CONV_OVF_I1)
3376 if (sp [-1].type == VAL_I32) {
3377 if (sp [-1].data.i < 128 || sp [-1].data.i > 127)
3378 THROW_EX (mono_get_exception_overflow (), ip);
3379 sp [-1].data.i = (gint8)sp [-1].data.i;
3380 } else if (sp [-1].type == VAL_I64) {
3381 if (sp [-1].data.l < 128 || sp [-1].data.l > 127)
3382 THROW_EX (mono_get_exception_overflow (), ip);
3383 sp [-1].data.i = (gint8)sp [-1].data.l;
3389 CASE (CEE_CONV_OVF_U1)
3390 if (sp [-1].type == VAL_I32) {
3391 if (sp [-1].data.i < 0 || sp [-1].data.i > 255)
3392 THROW_EX (mono_get_exception_overflow (), ip);
3393 sp [-1].data.i = (gint8)sp [-1].data.i;
3394 } else if (sp [-1].type == VAL_I64) {
3395 if (sp [-1].data.l < 0 || sp [-1].data.l > 255)
3396 THROW_EX (mono_get_exception_overflow (), ip);
3397 sp [-1].data.i = (gint8)sp [-1].data.l;
3403 CASE (CEE_CONV_OVF_I2)
3404 CASE (CEE_CONV_OVF_U2)
3406 /* FIXME: handle other cases */
3407 if (sp [-1].type == VAL_I32) {
3408 /* defined as NOP */
3413 CASE (CEE_CONV_OVF_I4)
3414 /* FIXME: handle other cases */
3415 if (sp [-1].type == VAL_I32) {
3416 /* defined as NOP */
3417 } else if(sp [-1].type == VAL_I64) {
3418 sp [-1].data.i = (gint32)sp [-1].data.l;
3419 sp [-1].type = VAL_I32;
3425 CASE (CEE_CONV_OVF_U4)
3426 /* FIXME: handle other cases */
3427 if (sp [-1].type == VAL_I32) {
3428 /* defined as NOP */
3429 } else if(sp [-1].type == VAL_I64) {
3430 sp [-1].data.i = (guint32)sp [-1].data.l;
3431 sp [-1].type = VAL_I32;
3437 CASE (CEE_CONV_OVF_I8)
3438 /* FIXME: handle other cases */
3439 if (sp [-1].type == VAL_I32) {
3440 sp [-1].data.l = (guint64)sp [-1].data.i;
3441 sp [-1].type = VAL_I64;
3442 } else if(sp [-1].type == VAL_I64) {
3443 /* defined as NOP */
3449 CASE (CEE_CONV_OVF_U8)
3450 /* FIXME: handle other cases */
3451 if (sp [-1].type == VAL_I32) {
3452 sp [-1].data.l = (guint64) sp [-1].data.i;
3453 sp [-1].type = VAL_I64;
3454 } else if(sp [-1].type == VAL_I64) {
3455 /* defined as NOP */
3467 CASE (CEE_UNUSED23) ves_abort(); BREAK;
3468 CASE (CEE_REFANYVAL) ves_abort(); BREAK;
3470 if (!finite(sp [-1].data.f))
3471 THROW_EX (mono_get_exception_arithmetic (), ip);
3474 CASE (CEE_UNUSED24) ves_abort(); BREAK;
3475 CASE (CEE_UNUSED25) ves_abort(); BREAK;
3476 CASE (CEE_MKREFANY) ves_abort(); BREAK;
3485 CASE (CEE_UNUSED67) ves_abort(); BREAK;
3486 CASE (CEE_LDTOKEN) {
3488 MonoClass *handle_class;
3490 handle = mono_ldtoken (image, read32 (ip), &handle_class);
3492 vt_alloc (&handle_class->byval_arg, sp, FALSE);
3493 stackval_from_data (&handle_class->byval_arg, sp, (char*)&handle, FALSE);
3497 CASE (CEE_CONV_OVF_I)
3500 /* FIXME: check overflow. */
3503 sp->data.p = (gpointer)(mono_i) sp->data.i;
3506 sp->data.p = (gpointer)(mono_i) sp->data.l;
3511 sp->data.p = (gpointer)(mono_i) sp->data.f;
3516 sp->type = VAL_NATI;
3519 CASE (CEE_CONV_OVF_U) ves_abort(); BREAK;
3522 /* FIXME: check overflow */
3523 if (sp->type == VAL_I32) {
3524 if (CHECK_ADD_OVERFLOW (sp [-1].data.i, GET_NATI (sp [0])))
3525 THROW_EX (mono_get_exception_overflow (), ip);
3526 sp [-1].data.i = (gint32)sp [-1].data.i + (gint32)GET_NATI (sp [0]);
3527 } else if (sp->type == VAL_I64) {
3528 if (CHECK_ADD_OVERFLOW64 (sp [-1].data.l, sp [0].data.l))
3529 THROW_EX (mono_get_exception_overflow (), ip);
3530 sp [-1].data.l = (gint64)sp [-1].data.l + (gint64)sp [0].data.l;
3531 } else if (sp->type == VAL_DOUBLE)
3532 sp [-1].data.f += sp [0].data.f;
3534 char *p = sp [-1].data.p;
3535 p += GET_NATI (sp [0]);
3540 CASE (CEE_ADD_OVF_UN)
3542 /* FIXME: check overflow, make unsigned */
3543 if (sp->type == VAL_I32) {
3544 if (CHECK_ADD_OVERFLOW_UN (sp [-1].data.i, GET_NATI (sp [0])))
3545 THROW_EX (mono_get_exception_overflow (), ip);
3546 sp [-1].data.i = (guint32)sp [-1].data.i + (guint32)GET_NATI (sp [0]);
3547 } else if (sp->type == VAL_I64) {
3548 if (CHECK_ADD_OVERFLOW64_UN (sp [-1].data.l, sp [0].data.l))
3549 THROW_EX (mono_get_exception_overflow (), ip);
3550 sp [-1].data.l = (guint64)sp [-1].data.l + (guint64)sp [0].data.l;
3551 } else if (sp->type == VAL_DOUBLE)
3552 sp [-1].data.f += sp [0].data.f;
3554 char *p = sp [-1].data.p;
3555 p += GET_NATI (sp [0]);
3563 /* FIXME: check overflow */
3564 if (sp->type == VAL_I32) {
3565 if (CHECK_MUL_OVERFLOW (sp [-1].data.i, GET_NATI (sp [0])))
3566 THROW_EX (mono_get_exception_overflow (), ip);
3567 sp [-1].data.i *= (gint)GET_NATI (sp [0]);
3569 else if (sp->type == VAL_I64) {
3570 if (CHECK_MUL_OVERFLOW64 (sp [-1].data.l, sp [0].data.l))
3571 THROW_EX (mono_get_exception_overflow (), ip);
3572 sp [-1].data.l *= sp [0].data.l;
3574 else if (sp->type == VAL_DOUBLE)
3575 sp [-1].data.f *= sp [0].data.f;
3577 CASE (CEE_MUL_OVF_UN)
3580 /* FIXME: check overflow, make unsigned */
3581 if (sp->type == VAL_I32) {
3582 if (CHECK_MUL_OVERFLOW_UN (sp [-1].data.i, GET_NATI (sp [0])))
3583 THROW_EX (mono_get_exception_overflow (), ip);
3584 sp [-1].data.i *= (gint)GET_NATI (sp [0]);
3586 else if (sp->type == VAL_I64) {
3587 if (CHECK_MUL_OVERFLOW64_UN (sp [-1].data.l, sp [0].data.l))
3588 THROW_EX (mono_get_exception_overflow (), ip);
3589 sp [-1].data.l *= sp [0].data.l;
3591 else if (sp->type == VAL_DOUBLE)
3592 sp [-1].data.f *= sp [0].data.f;
3595 CASE (CEE_SUB_OVF_UN)
3598 /* FIXME: handle undeflow/unsigned */
3599 /* should probably consider the pointers as unsigned */
3600 if (sp->type == VAL_I32)
3601 sp [-1].data.i -= GET_NATI (sp [0]);
3602 else if (sp->type == VAL_I64)
3603 sp [-1].data.l -= sp [0].data.l;
3604 else if (sp->type == VAL_DOUBLE)
3605 sp [-1].data.f -= sp [0].data.f;
3607 char *p = sp [-1].data.p;
3608 p -= GET_NATI (sp [0]);
3612 CASE (CEE_ENDFINALLY)
3614 ip = finally_ips->data;
3615 finally_ips = g_slist_remove (finally_ips, ip);
3621 * There was no exception, we continue normally at the target address.
3625 CASE (CEE_LEAVE) /* Fall through */
3627 sp = frame->stack; /* empty the stack */
3629 if (*ip == CEE_LEAVE_S) {
3631 ip += (signed char) *ip;
3635 ip += (gint32) read32 (ip);
3640 * We may be either inside a try block or inside an handler.
3641 * In the first case there was no exception and we go on
3642 * executing the finally handlers and after that resume control
3644 * In the second case we need to clear the exception and
3645 * continue directly at the target ip.
3649 goto handle_finally;
3652 frame->ex_handler = NULL;
3656 frame->ex_handler = NULL;
3658 goto handle_finally;
3664 case CEE_MONO_FUNC1: {
3665 MonoMarshalConv conv;
3675 sp->data.vt.klass = NULL;
3678 case MONO_MARSHAL_CONV_STR_LPWSTR:
3679 sp->data.p = mono_string_to_utf16 (sp->data.p);
3681 case MONO_MARSHAL_CONV_LPSTR_STR:
3682 sp->data.p = mono_string_new_wrapper (sp->data.p);
3684 case MONO_MARSHAL_CONV_STR_LPTSTR:
3685 case MONO_MARSHAL_CONV_STR_LPSTR:
3686 sp->data.p = mono_string_to_utf8 (sp->data.p);
3688 case MONO_MARSHAL_CONV_STR_BSTR:
3689 sp->data.p = mono_string_to_bstr (sp->data.p);
3691 case MONO_MARSHAL_CONV_STR_TBSTR:
3692 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
3693 sp->data.p = mono_string_to_ansibstr (sp->data.p);
3695 case MONO_MARSHAL_CONV_SB_LPSTR:
3696 sp->data.p = mono_string_builder_to_utf8 (sp->data.p);
3698 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
3699 sp->data.p = mono_array_to_savearray (sp->data.p);
3701 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
3702 sp->data.p = mono_array_to_lparray (sp->data.p);
3704 case MONO_MARSHAL_CONV_DEL_FTN:
3705 sp->data.p = mono_delegate_to_ftnptr (sp->data.p);
3707 case MONO_MARSHAL_CONV_STRARRAY_STRLPARRAY:
3708 sp->data.p = mono_marshal_string_array (sp->data.p);
3711 g_assert_not_reached ();
3716 case CEE_MONO_PROC2: {
3717 MonoMarshalConv conv;
3725 case MONO_MARSHAL_CONV_LPSTR_SB:
3726 mono_string_utf8_to_builder (sp [0].data.p, sp [1].data.p);
3728 case MONO_MARSHAL_FREE_ARRAY:
3729 mono_marshal_free_array (sp [0].data.p, sp [1].data.i);
3732 g_assert_not_reached ();
3736 case CEE_MONO_PROC3: {
3737 MonoMarshalConv conv;
3745 case MONO_MARSHAL_CONV_STR_BYVALSTR:
3746 mono_string_to_byvalstr (sp [0].data.p, sp [1].data.p, sp [2].data.i);
3748 case MONO_MARSHAL_CONV_STR_BYVALWSTR:
3749 mono_string_to_byvalwstr (sp [0].data.p, sp [1].data.p, sp [2].data.i);
3752 g_assert_not_reached ();
3756 case CEE_MONO_VTADDR: {
3759 sp->type = VAL_VALUETA;
3763 case CEE_MONO_LDPTR: {
3767 token = read32 (ip);
3771 sp->data.p = mono_method_get_wrapper_data (frame->method, token);
3772 sp->data.vt.klass = NULL;
3776 case CEE_MONO_FREE: {
3780 g_free (sp->data.p);
3783 case CEE_MONO_OBJADDR: {
3790 case CEE_MONO_NEWOBJ: {
3795 token = read32 (ip);
3798 class = (MonoClass *)mono_method_get_wrapper_data (frame->method, token);
3799 sp->data.p = mono_object_new (domain, class);
3803 case CEE_MONO_RETOBJ: {
3808 token = read32 (ip);
3813 class = (MonoClass *)mono_method_get_wrapper_data (frame->method, token);
3815 stackval_from_data (signature->ret, frame->retval, sp->data.vt.vt, signature->pinvoke);
3817 if (sp > frame->stack)
3818 g_warning ("more values on stack: %d", sp-frame->stack);
3823 g_error ("Unimplemented opcode: 0xF0 %02x at 0x%x\n", *ip, ip-header->code);
3854 CASE (CEE_PREFIXREF) ves_abort(); BREAK;
3856 * Note: Exceptions thrown when executing a prefixed opcode need
3857 * to take into account the number of prefix bytes (usually the
3858 * throw point is just (ip - n_prefix_bytes).
3863 case CEE_ARGLIST: ves_abort(); break;
3869 if (sp->type == VAL_I32)
3870 result = sp [0].data.i == (gint)GET_NATI (sp [1]);
3871 else if (sp->type == VAL_I64)
3872 result = sp [0].data.l == sp [1].data.l;
3873 else if (sp->type == VAL_DOUBLE) {
3874 if (isnan (sp [0].data.f) || isnan (sp [1].data.f))
3877 result = sp [0].data.f == sp [1].data.f;
3879 result = GET_NATI (sp [0]) == GET_NATI (sp [1]);
3881 sp->data.i = result;
3891 if (sp->type == VAL_I32)
3892 result = sp [0].data.i > (gint)GET_NATI (sp [1]);
3893 else if (sp->type == VAL_I64)
3894 result = sp [0].data.l > sp [1].data.l;
3895 else if (sp->type == VAL_DOUBLE) {
3896 if (isnan (sp [0].data.f) || isnan (sp [1].data.f))
3899 result = sp [0].data.f > sp [1].data.f;
3901 result = (gint)GET_NATI (sp [0]) > (gint)GET_NATI (sp [1]);
3903 sp->data.i = result;
3913 if (sp->type == VAL_I32)
3914 result = (guint32)sp [0].data.i > (mono_u)GET_NATI (sp [1]);
3915 else if (sp->type == VAL_I64)
3916 result = (guint64)sp [0].data.l > (guint64)sp [1].data.l;
3917 else if (sp->type == VAL_DOUBLE)
3918 result = isnan (sp [0].data.f) || isnan (sp [1].data.f);
3920 result = (mono_u)GET_NATI (sp [0]) > (mono_u)GET_NATI (sp [1]);
3922 sp->data.i = result;
3932 if (sp->type == VAL_I32)
3933 result = sp [0].data.i < (gint)GET_NATI (sp [1]);
3934 else if (sp->type == VAL_I64)
3935 result = sp [0].data.l < sp [1].data.l;
3936 else if (sp->type == VAL_DOUBLE) {
3937 if (isnan (sp [0].data.f) || isnan (sp [1].data.f))
3940 result = sp [0].data.f < sp [1].data.f;
3942 result = (gint)GET_NATI (sp [0]) < (gint)GET_NATI (sp [1]);
3944 sp->data.i = result;
3954 if (sp->type == VAL_I32)
3955 result = (guint32)sp [0].data.i < (mono_u)GET_NATI (sp [1]);
3956 else if (sp->type == VAL_I64)
3957 result = (guint64)sp [0].data.l < (guint64)sp [1].data.l;
3958 else if (sp->type == VAL_DOUBLE)
3959 result = isnan (sp [0].data.f) || isnan (sp [1].data.f);
3961 result = (mono_u)GET_NATI (sp [0]) < (mono_u)GET_NATI (sp [1]);
3963 sp->data.i = result;
3969 case CEE_LDVIRTFTN: {
3970 int virtual = *ip == CEE_LDVIRTFTN;
3974 token = read32 (ip);
3977 if (frame->method->wrapper_type != MONO_WRAPPER_NONE)
3978 m = (MonoMethod *)mono_method_get_wrapper_data (frame->method, token);
3980 m = mono_get_method (image, token, NULL);
3983 THROW_EX (mono_get_exception_missing_method (), ip - 5);
3987 THROW_EX (mono_get_exception_null_reference (), ip - 5);
3989 m = get_virtual_method (domain, m, sp);
3991 sp->type = VAL_NATI;
3992 sp->data.p = mono_create_method_pointer (m);
3993 sp->data.vt.klass = NULL;
3997 case CEE_UNUSED56: ves_abort(); break;
4001 arg_pos = read16 (ip);
4003 vt_alloc (ARG_TYPE (signature, arg_pos), sp, signature->pinvoke);
4004 stackval_from_data (ARG_TYPE (signature, arg_pos), sp, ARG_POS (arg_pos), signature->pinvoke);
4016 t = ARG_TYPE (signature, anum);
4017 c = mono_class_from_mono_type (t);
4018 sp->data.vt.klass = c;
4019 sp->data.vt.vt = ARG_POS (anum);
4022 sp->type = VAL_VALUETA;
4032 arg_pos = read16 (ip);
4035 stackval_to_data (ARG_TYPE (signature, arg_pos), sp, ARG_POS (arg_pos), signature->pinvoke);
4042 loc_pos = read16 (ip);
4044 vt_alloc (LOCAL_TYPE (header, loc_pos), sp, FALSE);
4045 stackval_from_data (LOCAL_TYPE (header, loc_pos), sp, LOCAL_POS (loc_pos), FALSE);
4055 loc_pos = read16 (ip);
4057 t = LOCAL_TYPE (header, loc_pos);
4058 c = mono_class_from_mono_type (t);
4059 sp->data.vt.vt = LOCAL_POS (loc_pos);
4060 sp->data.vt.klass = c;
4063 sp->type = VAL_VALUETA;
4073 loc_pos = read16 (ip);
4076 stackval_to_data (LOCAL_TYPE (header, loc_pos), sp, LOCAL_POS (loc_pos), FALSE);
4082 if (sp != frame->stack)
4083 THROW_EX (mono_get_exception_execution_engine (NULL), ip - 1);
4085 sp->data.p = alloca (sp->data.i);
4089 case CEE_UNUSED57: ves_abort(); break;
4090 case CEE_ENDFILTER: ves_abort(); break;
4091 case CEE_UNALIGNED_:
4093 unaligned_address = 1;
4097 volatile_address = 1;
4106 token = read32 (ip);
4109 * we ignore the value of token (I think we can as unspecified
4110 * behavior described in Partition II, 3.5).
4113 g_assert (sp->type == VAL_VALUETA || sp->type == VAL_TP);
4114 memset (sp->data.vt.vt, 0, mono_class_value_size (sp->data.vt.klass, NULL));
4117 case CEE_CONSTRAINED_: {
4119 /* FIXME: implement */
4121 token = read32 (ip);
4127 if (!sp [0].data.p || !sp [1].data.p)
4128 THROW_EX (mono_get_exception_null_reference(), ip - 1);
4130 /* FIXME: value and size may be int64... */
4131 memcpy (sp [0].data.p, sp [1].data.p, sp [2].data.i);
4136 THROW_EX (mono_get_exception_null_reference(), ip - 1);
4138 /* FIXME: value and size may be int64... */
4139 memset (sp [0].data.p, sp [1].data.i, sp [2].data.i);
4142 /* FIXME: implement */
4147 * need to clarify what this should actually do:
4148 * start the search from the last found handler in
4149 * this method or continue in the caller or what.
4150 * Also, do we need to run finally/fault handlers after a retrow?
4151 * Well, this implementation will follow the usual search
4152 * for an handler, considering the current ip as throw spot.
4153 * We need to NULL frame->ex_handler for the later code to
4154 * actually run the new found handler.
4156 frame->ex_handler = NULL;
4157 THROW_EX (frame->ex, ip - 1);
4159 case CEE_UNUSED: ves_abort(); break;
4164 token = read32 (ip);
4166 if (mono_metadata_token_table (token) == MONO_TABLE_TYPESPEC) {
4167 MonoType *type = mono_type_create_from_typespec (image, token);
4168 sp->data.i = mono_type_size (type, &align);
4169 mono_metadata_free_type (type);
4171 MonoClass *szclass = mono_class_get (image, token);
4172 mono_class_init (szclass);
4173 if (!szclass->valuetype)
4174 THROW_EX (mono_exception_from_name (mono_defaults.corlib, "System", "InvalidProgramException"), ip - 5);
4175 sp->data.i = mono_class_value_size (szclass, &align);
4181 case CEE_REFANYTYPE: ves_abort(); break;
4183 g_error ("Unimplemented opcode: 0xFE %02x at 0x%x\n", *ip, ip-header->code);
4190 g_assert_not_reached ();
4192 * Exception handling code.
4193 * The exception object is stored in frame->ex.
4200 MonoInvocation *inv;
4201 MonoMethodHeader *hd;
4202 MonoExceptionClause *clause;
4208 g_print ("* Handling exception '%s' at IL_%04x\n", mono_object_class (frame->ex)->name, frame->ip - header->code);
4210 if (die_on_exception)
4213 for (inv = frame; inv; inv = inv->parent) {
4214 if (inv->method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL)
4216 if (inv->method->iflags & (METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL | METHOD_IMPL_ATTRIBUTE_RUNTIME))
4218 hd = ((MonoMethodNormal*)inv->method)->header;
4219 ip_offset = inv->ip - hd->code;
4220 for (i = 0; i < hd->num_clauses; ++i) {
4221 clause = &hd->clauses [i];
4222 if (clause->flags <= 1 && MONO_OFFSET_IN_CLAUSE (clause, ip_offset)) {
4223 if (!clause->flags) {
4224 if (mono_object_isinst ((MonoObject*)frame->ex, mono_class_get (inv->method->klass->image, clause->token_or_filter))) {
4226 * OK, we found an handler, now we need to execute the finally
4227 * and fault blocks before branching to the handler code.
4229 inv->ex_handler = clause;
4232 g_print ("* Found handler at '%s'\n", inv->method->name);
4236 * It seems that if the catch handler is found in the same method,
4237 * it gets executed before the finally handler.
4242 goto handle_finally;
4245 /* FIXME: handle filter clauses */
4252 * If we get here, no handler was found: print a stack trace.
4254 for (inv = frame; inv; inv = inv->parent) {
4255 if (inv->invoke_trap)
4256 goto handle_finally;
4259 ex_obj = (MonoObject*)frame->ex;
4260 mono_unhandled_exception (ex_obj);
4267 MonoExceptionClause *clause;
4271 g_print ("* Handle finally\n");
4273 if ((frame->method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL)
4274 || (frame->method->iflags & (METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL | METHOD_IMPL_ATTRIBUTE_RUNTIME))) {
4278 ip_offset = frame->ip - header->code;
4280 for (i = 0; i < header->num_clauses; ++i) {
4281 clause = &header->clauses [i];
4282 if (clause == frame->ex_handler)
4284 if (MONO_OFFSET_IN_CLAUSE (clause, ip_offset) && !(MONO_OFFSET_IN_CLAUSE (clause, endfinally_ip - header->code))) {
4285 if (clause->flags == MONO_EXCEPTION_CLAUSE_FINALLY) {
4286 ip = header->code + clause->handler_offset;
4287 finally_ips = g_slist_append (finally_ips, (gpointer) ip);
4290 g_print ("* Found finally at IL_%04x with exception: %s\n", clause->handler_offset, frame->ex? "yes": "no");
4296 ip = finally_ips->data;
4297 finally_ips = g_slist_remove (finally_ips, ip);
4302 * If an exception is set, we need to execute the fault handler, too,
4303 * otherwise, we continue normally.
4314 MonoExceptionClause *clause;
4318 g_print ("* Handle fault\n");
4320 ip_offset = frame->ip - header->code;
4321 for (i = 0; i < header->num_clauses; ++i) {
4322 clause = &header->clauses [i];
4323 if (clause->flags == 3 && MONO_OFFSET_IN_CLAUSE (clause, ip_offset)) {
4324 ip = header->code + clause->handler_offset;
4327 g_print ("* Executing handler at IL_%04x\n", clause->handler_offset);
4333 * If the handler for the exception was found in this method, we jump
4334 * to it right away, otherwise we return and let the caller run
4335 * the finally, fault and catch blocks.
4336 * This same code should be present in the endfault opcode, but it
4337 * is corrently not assigned in the ECMA specs: LAMESPEC.
4339 if (frame->ex_handler) {
4342 g_print ("* Executing handler at IL_%04x\n", frame->ex_handler->handler_offset);
4344 ip = header->code + frame->ex_handler->handler_offset;
4347 sp->data.p = frame->ex;
4360 ves_exec (MonoDomain *domain, MonoAssembly *assembly, int argc, char *argv[])
4362 MonoImage *image = assembly->image;
4363 MonoCLIImageInfo *iinfo;
4365 MonoObject *exc = NULL;
4368 iinfo = image->image_info;
4369 method = mono_get_method (image, iinfo->cli_cli_header.ch_entry_point, NULL);
4371 g_error ("No entry point method found in %s", image->name);
4373 rval = mono_runtime_run_main (method, argc, argv, &exc);
4382 "mint %s, the Mono ECMA CLI interpreter, (C) 2001, 2002 Ximian, Inc.\n\n"
4383 "Usage is: mint [options] executable args...\n\n", VERSION);
4385 "Runtime Debugging:\n"
4390 " --noptr\t\t\tdon't print pointer addresses in trace output\n"
4393 " --traceclassinit\n"
4396 " --debug method_name\n"
4402 " --config filename load the specified config file instead of the default\n"
4403 " --workers n maximum number of worker threads\n"
4410 test_load_class (MonoImage* image)
4412 MonoTableInfo *t = &image->tables [MONO_TABLE_TYPEDEF];
4416 for (i = 1; i <= t->rows; ++i) {
4417 klass = mono_class_get (image, MONO_TOKEN_TYPE_DEF | i);
4418 mono_class_init (klass);
4423 static MonoException * segv_exception = NULL;
4426 segv_handler (int signum)
4428 signal (signum, segv_handler);
4429 mono_raise_exception (segv_exception);
4433 ves_icall_get_frame_info (gint32 skip, MonoBoolean need_file_info,
4434 MonoReflectionMethod **method,
4435 gint32 *iloffset, gint32 *native_offset,
4436 MonoString **file, gint32 *line, gint32 *column)
4449 *file = mono_string_new (mono_domain_get (), "unknown");
4455 ves_icall_get_trace (MonoException *exc, gint32 skip, MonoBoolean need_file_info)
4463 int enable_debugging;
4469 static void main_thread_handler (gpointer user_data)
4471 MainThreadArgs *main_args=(MainThreadArgs *)user_data;
4472 MonoAssembly *assembly;
4475 if (main_args->enable_debugging)
4476 mono_debug_init (main_args->domain, MONO_DEBUG_FORMAT_MONO);
4478 assembly = mono_domain_assembly_open (main_args->domain,
4482 fprintf (stderr, "Can not open image %s\n", main_args->file);
4486 if (main_args->enable_debugging)
4487 mono_debug_init_2 (assembly);
4490 test_load_class (assembly->image);
4492 error = mono_verify_corlib ();
4494 fprintf (stderr, "Corlib not in sync with this runtime: %s\n", error);
4497 segv_exception = mono_get_exception_null_reference ();
4498 segv_exception->message = mono_string_new (main_args->domain, "Segmentation fault");
4499 signal (SIGSEGV, segv_handler);
4501 ves_exec (main_args->domain, assembly, main_args->argc, main_args->argv);
4506 mono_runtime_install_handlers (void)
4508 /* FIXME: anything to do here? */
4512 quit_function (MonoDomain *domain, gpointer user_data)
4514 mono_profiler_shutdown ();
4516 mono_runtime_cleanup (domain);
4517 mono_domain_unload (domain, TRUE);
4521 static CRITICAL_SECTION ms;
4524 main (int argc, char *argv [])
4527 int retval = 0, i, ocount = 0;
4528 char *file, *config_file = NULL;
4529 int enable_debugging = FALSE;
4530 MainThreadArgs main_args;
4535 for (i = 1; i < argc && argv [i][0] == '-'; i++){
4536 if (strcmp (argv [i], "--trace") == 0)
4538 if (strcmp (argv [i], "--noptr") == 0)
4539 global_no_pointers = 1;
4540 if (strcmp (argv [i], "--traceops") == 0)
4542 if (strcmp (argv [i], "--dieonex") == 0) {
4543 die_on_exception = 1;
4544 enable_debugging = 1;
4546 if (strcmp (argv [i], "--print-vtable") == 0)
4547 mono_print_vtable = TRUE;
4548 if (strcmp (argv [i], "--profile") == 0)
4549 mono_profiler_load (NULL);
4550 if (strcmp (argv [i], "--opcode-count") == 0)
4552 if (strcmp (argv [i], "--config") == 0)
4553 config_file = argv [++i];
4554 if (strcmp (argv [i], "--workers") == 0) {
4555 mono_max_worker_threads = atoi (argv [++i]);
4556 if (mono_max_worker_threads < 1)
4557 mono_max_worker_threads = 1;
4559 if (strcmp (argv [i], "--help") == 0)
4562 if (strcmp (argv [i], "--debug") == 0) {
4563 MonoMethodDesc *desc = mono_method_desc_new (argv [++i], FALSE);
4565 g_error ("Invalid method name '%s'", argv [i]);
4566 db_methods = g_list_append (db_methods, desc);
4576 g_set_prgname (file);
4577 mono_set_rootdir ();
4578 mono_config_parse (config_file);
4580 g_log_set_always_fatal (G_LOG_LEVEL_ERROR);
4581 g_log_set_fatal_mask (G_LOG_DOMAIN, G_LOG_LEVEL_ERROR);
4584 mono_add_internal_call ("System.Diagnostics.StackFrame::get_frame_info", ves_icall_get_frame_info);
4585 mono_add_internal_call ("System.Diagnostics.StackTrace::get_trace", ves_icall_get_trace);
4586 mono_add_internal_call ("Mono.Runtime::mono_runtime_install_handlers", mono_runtime_install_handlers);
4588 frame_thread_id = TlsAlloc ();
4589 TlsSetValue (frame_thread_id, NULL);
4591 mono_install_compile_method (mono_create_method_pointer);
4592 mono_install_runtime_invoke (interp_mono_runtime_invoke);
4593 mono_install_remoting_trampoline (interp_create_remoting_trampoline);
4595 mono_install_handler (interp_ex_handler);
4596 mono_install_stack_walk (interp_walk_stack);
4597 mono_runtime_install_cleanup (quit_function);
4599 metadata_section = &ms;
4600 InitializeCriticalSection (metadata_section);
4601 domain = mono_init (file);
4602 mono_runtime_init (domain, NULL, NULL);
4604 main_args.domain=domain;
4605 main_args.file=file;
4606 main_args.argc=argc-i;
4607 main_args.argv=argv+i;
4608 main_args.enable_debugging=enable_debugging;
4610 mono_runtime_exec_managed_code (domain, main_thread_handler,
4613 quit_function (domain, NULL);
4615 /* Get the return value from System.Environment.ExitCode */
4616 retval=mono_environment_exitcode_get ();
4620 fprintf (stderr, "opcode count: %ld\n", opcode_count);
4621 fprintf (stderr, "fcall count: %ld\n", fcall_count);