3 * transform CIL into different opcodes for more
4 * efficient interpretation
6 * Written by Bernie Solomon (bernard@ugsolutions.com)
11 #include <mono/metadata/appdomain.h>
12 #include <mono/metadata/debug-helpers.h>
13 #include <mono/metadata/exception.h>
14 #include <mono/metadata/mono-endian.h>
15 #include <mono/metadata/marshal.h>
16 #include <mono/metadata/profiler-private.h>
17 #include <mono/metadata/tabledefs.h>
19 #include <mono/mini/mini.h>
22 #include "interp-internals.h"
25 // TODO: export from marshal.c
26 MonoDelegate* mono_ftnptr_to_delegate (MonoClass *klass, gpointer ftn);
40 MonoMethodHeader *header;
42 const unsigned char *il_code;
43 const unsigned char *ip;
44 const unsigned char *last_ip;
45 const unsigned char *in_start;
49 StackInfo **stack_state;
52 unsigned char *is_bb_start;
53 unsigned short *new_code;
54 unsigned short *new_code_end;
55 unsigned short *new_ip;
56 unsigned short *last_new_ip;
57 unsigned int max_code_size;
60 unsigned int max_stack_height;
62 unsigned int max_vt_sp;
66 GHashTable *data_hash;
70 #define MINT_TYPE_I1 0
71 #define MINT_TYPE_U1 1
72 #define MINT_TYPE_I2 2
73 #define MINT_TYPE_U2 3
74 #define MINT_TYPE_I4 4
75 #define MINT_TYPE_I8 5
76 #define MINT_TYPE_R4 6
77 #define MINT_TYPE_R8 7
80 #define MINT_TYPE_VT 10
82 #define STACK_TYPE_I4 0
83 #define STACK_TYPE_I8 1
84 #define STACK_TYPE_R8 2
85 #define STACK_TYPE_O 3
86 #define STACK_TYPE_VT 4
87 #define STACK_TYPE_MP 5
88 #define STACK_TYPE_F 6
90 static const char *stack_type_string [] = { "I4", "I8", "R8", "O ", "VT", "MP", "F " };
92 #if SIZEOF_VOID_P == 8
93 #define STACK_TYPE_I STACK_TYPE_I8
95 #define STACK_TYPE_I STACK_TYPE_I4
98 static int stack_type [] = {
100 STACK_TYPE_I4, /*U1*/
101 STACK_TYPE_I4, /*I2*/
102 STACK_TYPE_I4, /*U2*/
103 STACK_TYPE_I4, /*I4*/
104 STACK_TYPE_I8, /*I8*/
105 STACK_TYPE_R8, /*R4*/
106 STACK_TYPE_R8, /*R8*/
113 grow_code (TransformData *td)
115 unsigned int old_ip_offset = td->new_ip - td->new_code;
116 unsigned int old_last_ip_offset = td->last_new_ip - td->new_code;
117 g_assert (old_ip_offset <= td->max_code_size);
118 td->new_code = g_realloc (td->new_code, (td->max_code_size *= 2) * sizeof (td->new_code [0]));
119 td->new_code_end = td->new_code + td->max_code_size;
120 td->new_ip = td->new_code + old_ip_offset;
121 td->last_new_ip = td->new_code + old_last_ip_offset;
124 #define ENSURE_CODE(td, n) \
126 if ((td)->new_ip + (n) > (td)->new_code_end) \
130 #define ADD_CODE(td, n) \
132 if ((td)->new_ip == (td)->new_code_end) \
134 *(td)->new_ip++ = (n); \
137 #define CHECK_STACK(td, n) \
139 int stack_size = (td)->sp - (td)->stack; \
140 if (stack_size < (n)) \
141 g_warning ("%s.%s: not enough values (%d < %d) on stack at %04x", \
142 (td)->method->klass->name, (td)->method->name, \
143 stack_size, n, (td)->ip - (td)->il_code); \
146 #define ENSURE_I4(td, sp_off) \
148 if ((td)->sp [-sp_off].type == STACK_TYPE_I8) \
149 ADD_CODE(td, sp_off == 1 ? MINT_CONV_I4_I8 : MINT_CONV_I4_I8_SP); \
153 handle_branch(TransformData *td, int short_op, int long_op, int offset)
155 int shorten_branch = 0;
156 int target = td->ip + offset - td->il_code;
157 if (target < 0 || target >= td->code_size)
158 g_assert_not_reached ();
159 if (offset > 0 && td->stack_height [target] < 0) {
160 td->stack_height [target] = td->sp - td->stack;
161 if (td->stack_height [target] > 0)
162 td->stack_state [target] = g_memdup (td->stack, td->stack_height [target] * sizeof (td->stack [0]));
163 td->vt_stack_size [target] = td->vt_sp;
166 offset = td->in_offsets [target] - (td->new_ip - td->new_code);
167 if (offset >= -32768) {
171 int prev = td->forward_refs [target];
172 td->forward_refs [td->ip - td->il_code] = prev;
173 td->forward_refs [target] = td->ip - td->il_code;
175 if (td->header->code_size <= 25000) /* FIX to be precise somehow? */
178 if (shorten_branch) {
179 ADD_CODE(td, short_op);
180 ADD_CODE(td, offset);
182 ADD_CODE(td, long_op);
183 ADD_CODE(td, * (unsigned short *)(&offset));
184 ADD_CODE(td, * ((unsigned short *)&offset + 1));
189 one_arg_branch(TransformData *td, int mint_op, int offset)
191 int type = td->sp [-1].type == STACK_TYPE_O || td->sp [-1].type == STACK_TYPE_MP ? STACK_TYPE_I : td->sp [-1].type;
192 int long_op = mint_op + type - STACK_TYPE_I4;
193 int short_op = long_op + MINT_BRFALSE_I4_S - MINT_BRFALSE_I4;
196 handle_branch (td, short_op, long_op, offset);
200 two_arg_branch(TransformData *td, int mint_op, int offset)
202 int type1 = td->sp [-1].type == STACK_TYPE_O || td->sp [-1].type == STACK_TYPE_MP ? STACK_TYPE_I : td->sp [-1].type;
203 int type2 = td->sp [-2].type == STACK_TYPE_O || td->sp [-2].type == STACK_TYPE_MP ? STACK_TYPE_I : td->sp [-2].type;
204 int long_op = mint_op + type1 - STACK_TYPE_I4;
205 int short_op = long_op + MINT_BEQ_I4_S - MINT_BEQ_I4;
207 if (type1 == STACK_TYPE_I4 && type2 == STACK_TYPE_I8) {
208 ADD_CODE(td, MINT_CONV_I8_I4);
209 td->in_offsets [td->ip - td->il_code]++;
210 } else if (type1 == STACK_TYPE_I8 && type2 == STACK_TYPE_I4) {
211 ADD_CODE(td, MINT_CONV_I8_I4_SP);
212 td->in_offsets [td->ip - td->il_code]++;
213 } else if (type1 != type2) {
214 g_warning("%s.%s: branch type mismatch %d %d",
215 td->method->klass->name, td->method->name,
216 td->sp [-1].type, td->sp [-2].type);
219 handle_branch (td, short_op, long_op, offset);
223 unary_arith_op(TransformData *td, int mint_op)
225 int op = mint_op + td->sp [-1].type - STACK_TYPE_I4;
231 binary_arith_op(TransformData *td, int mint_op)
233 int type1 = td->sp [-2].type;
234 int type2 = td->sp [-1].type;
236 #if SIZEOF_VOID_P == 8
237 if ((type1 == STACK_TYPE_MP || type1 == STACK_TYPE_I8) && type2 == STACK_TYPE_I4) {
238 ADD_CODE(td, MINT_CONV_I8_I4);
239 type2 = STACK_TYPE_I8;
241 if (type1 == STACK_TYPE_I4 && (type2 == STACK_TYPE_MP || type2 == STACK_TYPE_I8)) {
242 ADD_CODE(td, MINT_CONV_I8_I4_SP);
243 type1 = STACK_TYPE_I8;
244 td->sp [-2].type = STACK_TYPE_I8;
247 if (type1 == STACK_TYPE_MP)
248 type1 = STACK_TYPE_I;
249 if (type2 == STACK_TYPE_MP)
250 type2 = STACK_TYPE_I;
251 if (type1 != type2) {
252 g_warning("%s.%s: %04x arith type mismatch %s %d %d",
253 td->method->klass->name, td->method->name,
254 td->ip - td->il_code, mono_interp_opname[mint_op], type1, type2);
256 op = mint_op + type1 - STACK_TYPE_I4;
263 shift_op(TransformData *td, int mint_op)
265 int op = mint_op + td->sp [-2].type - STACK_TYPE_I4;
267 if (td->sp [-1].type != STACK_TYPE_I4) {
268 g_warning("%s.%s: shift type mismatch %d",
269 td->method->klass->name, td->method->name,
277 mint_type(MonoType *type)
282 switch (type->type) {
286 case MONO_TYPE_BOOLEAN:
298 #if SIZEOF_VOID_P == 4
312 case MONO_TYPE_STRING:
313 case MONO_TYPE_SZARRAY:
314 case MONO_TYPE_CLASS:
315 case MONO_TYPE_OBJECT:
316 case MONO_TYPE_ARRAY:
318 case MONO_TYPE_VALUETYPE:
319 if (type->data.klass->enumtype) {
320 type = mono_class_enum_basetype (type->data.klass);
324 case MONO_TYPE_TYPEDBYREF:
326 case MONO_TYPE_GENERICINST:
327 type = &type->data.generic_class->container_class->byval_arg;
330 g_warning ("got type 0x%02x", type->type);
331 g_assert_not_reached ();
337 can_store (int stack_type, int var_type)
339 if (stack_type == STACK_TYPE_O || stack_type == STACK_TYPE_MP)
340 stack_type = STACK_TYPE_I;
341 if (var_type == STACK_TYPE_O || var_type == STACK_TYPE_MP)
342 var_type = STACK_TYPE_I;
343 return stack_type == var_type;
346 #define SET_SIMPLE_TYPE(s, ty) \
353 #define SET_TYPE(s, ty, k) \
360 #define PUSH_SIMPLE_TYPE(td, ty) \
364 sp_height = (td)->sp - (td)->stack; \
365 if (sp_height > (td)->max_stack_height) \
366 (td)->max_stack_height = sp_height; \
367 SET_SIMPLE_TYPE((td)->sp - 1, ty); \
370 #define PUSH_TYPE(td, ty, k) \
374 sp_height = (td)->sp - (td)->stack; \
375 if (sp_height > (td)->max_stack_height) \
376 (td)->max_stack_height = sp_height; \
377 SET_TYPE((td)->sp - 1, ty, k); \
380 #define PUSH_VT(td, size) \
382 (td)->vt_sp += ((size) + 7) & ~7; \
383 if ((td)->vt_sp > (td)->max_vt_sp) \
384 (td)->max_vt_sp = (td)->vt_sp; \
387 #define POP_VT(td, size) \
389 (td)->vt_sp -= ((size) + 7) & ~7; \
392 #if NO_UNALIGNED_ACCESS
393 #define WRITE32(td, v) \
395 ENSURE_CODE(td, 2); \
396 * (guint16 *)((td)->new_ip) = * (guint16 *)(v); \
397 * ((guint16 *)((td)->new_ip) + 1) = * ((guint16 *)(v) + 1); \
401 #define WRITE64(td, v) \
403 ENSURE_CODE(td, 4); \
404 * (guint16 *)((td)->new_ip) = * (guint16 *)(v); \
405 * ((guint16 *)((td)->new_ip) + 1) = * ((guint16 *)(v) + 1); \
406 * ((guint16 *)((td)->new_ip) + 2) = * ((guint16 *)(v) + 2); \
407 * ((guint16 *)((td)->new_ip) + 3) = * ((guint16 *)(v) + 3); \
411 #define WRITE32(td, v) \
413 ENSURE_CODE(td, 2); \
414 * (guint32 *)((td)->new_ip) = * (guint32 *)(v); \
418 #define WRITE64(td, v) \
420 ENSURE_CODE(td, 4); \
421 * (guint64 *)((td)->new_ip) = * (guint64 *)(v); \
428 load_arg(TransformData *td, int n)
431 MonoClass *klass = NULL;
434 gboolean hasthis = mono_method_signature (td->method)->hasthis;
435 if (hasthis && n == 0)
436 type = &td->method->klass->byval_arg;
438 type = mono_method_signature (td->method)->params [hasthis ? n - 1 : n];
440 mt = mint_type (type);
441 if (mt == MINT_TYPE_VT) {
443 klass = mono_class_from_mono_type (type);
444 if (mono_method_signature (td->method)->pinvoke)
445 size = mono_class_native_size (klass, NULL);
447 size = mono_class_value_size (klass, NULL);
449 if (hasthis && n == 0) {
451 ADD_CODE (td, MINT_LDARG_P);
452 ADD_CODE (td, td->rtm->arg_offsets [n]); /* FIX for large offset */
456 ADD_CODE (td, MINT_LDARG_VT);
457 ADD_CODE (td, td->rtm->arg_offsets [n]); /* FIX for large offset */
461 if (hasthis && n == 0) {
463 ADD_CODE (td, MINT_LDARG_P);
464 ADD_CODE (td, td->rtm->arg_offsets [n]); /* FIX for large offset */
467 ADD_CODE(td, MINT_LDARG_I1 + (mt - MINT_TYPE_I1));
468 ADD_CODE(td, td->rtm->arg_offsets [n]); /* FIX for large offset */
469 if (mt == MINT_TYPE_O)
470 klass = mono_class_from_mono_type (type);
473 PUSH_TYPE(td, stack_type[mt], klass);
477 store_arg(TransformData *td, int n)
483 gboolean hasthis = mono_method_signature (td->method)->hasthis;
484 if (hasthis && n == 0)
485 type = &td->method->klass->byval_arg;
487 type = mono_method_signature (td->method)->params [n - !!hasthis];
489 mt = mint_type (type);
490 if (mt == MINT_TYPE_VT) {
492 MonoClass *klass = mono_class_from_mono_type (type);
493 if (mono_method_signature (td->method)->pinvoke)
494 size = mono_class_native_size (klass, NULL);
496 size = mono_class_value_size (klass, NULL);
497 ADD_CODE(td, MINT_STARG_VT);
498 ADD_CODE(td, td->rtm->arg_offsets [n]);
500 if (td->sp [-1].type == STACK_TYPE_VT)
503 ADD_CODE(td, MINT_STARG_I1 + (mt - MINT_TYPE_I1));
504 ADD_CODE(td, td->rtm->arg_offsets [n]);
510 store_inarg(TransformData *td, int n)
513 gboolean hasthis = mono_method_signature (td->method)->hasthis;
514 if (hasthis && n == 0)
515 type = &td->method->klass->byval_arg;
517 type = mono_method_signature (td->method)->params [n - !!hasthis];
519 int mt = mint_type (type);
520 if (hasthis && n == 0) {
521 ADD_CODE (td, MINT_STINARG_P);
525 if (mt == MINT_TYPE_VT) {
526 MonoClass *klass = mono_class_from_mono_type (type);
528 if (mono_method_signature (td->method)->pinvoke)
529 size = mono_class_native_size (klass, NULL);
531 size = mono_class_value_size (klass, NULL);
532 ADD_CODE(td, MINT_STINARG_VT);
536 ADD_CODE(td, MINT_STINARG_I1 + (mt - MINT_TYPE_I1));
542 load_local(TransformData *td, int n)
544 MonoType *type = td->header->locals [n];
545 int mt = mint_type (type);
546 int offset = td->rtm->local_offsets [n];
547 MonoClass *klass = NULL;
548 if (mt == MINT_TYPE_VT) {
549 klass = mono_class_from_mono_type (type);
550 gint32 size = mono_class_value_size (klass, NULL);
552 ADD_CODE(td, MINT_LDLOC_VT);
553 ADD_CODE(td, offset); /*FIX for large offset */
556 g_assert (mt < MINT_TYPE_VT);
557 if (mt == MINT_TYPE_I4 && !td->is_bb_start [td->in_start - td->il_code] && td->last_new_ip != NULL &&
558 td->last_new_ip [0] == MINT_STLOC_I4 && td->last_new_ip [1] == offset) {
559 td->last_new_ip [0] = MINT_STLOC_NP_I4;
560 } else if (mt == MINT_TYPE_O && !td->is_bb_start [td->in_start - td->il_code] && td->last_new_ip != NULL &&
561 td->last_new_ip [0] == MINT_STLOC_O && td->last_new_ip [1] == offset) {
562 td->last_new_ip [0] = MINT_STLOC_NP_O;
564 ADD_CODE(td, MINT_LDLOC_I1 + (mt - MINT_TYPE_I1));
565 ADD_CODE(td, offset); /*FIX for large offset */
567 if (mt == MINT_TYPE_O)
568 klass = mono_class_from_mono_type (type);
570 PUSH_TYPE(td, stack_type[mt], klass);
574 store_local(TransformData *td, int n)
576 MonoType *type = td->header->locals [n];
577 int mt = mint_type (type);
578 int offset = td->rtm->local_offsets [n];
580 #if SIZEOF_VOID_P == 8
581 if (td->sp [-1].type == STACK_TYPE_I4 && stack_type [mt] == STACK_TYPE_I8) {
582 ADD_CODE(td, MINT_CONV_I8_I4);
583 td->sp [-1].type = STACK_TYPE_I8;
586 if (!can_store(td->sp [-1].type, stack_type [mt])) {
587 g_warning("%s.%s: Store local stack type mismatch %d %d",
588 td->method->klass->name, td->method->name,
589 stack_type [mt], td->sp [-1].type);
591 if (mt == MINT_TYPE_VT) {
592 MonoClass *klass = mono_class_from_mono_type (type);
593 gint32 size = mono_class_value_size (klass, NULL);
594 ADD_CODE(td, MINT_STLOC_VT);
595 ADD_CODE(td, offset); /*FIX for large offset */
597 if (td->sp [-1].type == STACK_TYPE_VT)
600 g_assert (mt < MINT_TYPE_VT);
601 ADD_CODE(td, MINT_STLOC_I1 + (mt - MINT_TYPE_I1));
602 ADD_CODE(td, offset); /*FIX for large offset */
607 #define SIMPLE_OP(td, op) \
614 get_data_item_index (TransformData *td, void *ptr)
616 gpointer p = g_hash_table_lookup (td->data_hash, ptr);
619 return GPOINTER_TO_UINT (p) - 1;
620 if (td->max_data_items == td->n_data_items) {
621 td->max_data_items = td->n_data_items == 0 ? 16 : 2 * td->max_data_items;
622 td->data_items = g_realloc (td->data_items, td->max_data_items * sizeof(td->data_items [0]));
624 index = td->n_data_items;
625 td->data_items [index] = ptr;
627 g_hash_table_insert (td->data_hash, ptr, GUINT_TO_POINTER (index + 1));
632 jit_call_supported (MonoMethod *method, MonoMethodSignature *sig)
636 if (sig->param_count > 6)
640 if (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL)
642 if (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL)
644 if (method->is_inflated)
646 if (method->string_ctor)
649 for (l = jit_classes; l; l = l->next) {
650 char *class_name = l->data;
652 if (!strcmp (method->klass->name, class_name))
661 interp_transform_call (TransformData *td, MonoMethod *method, MonoMethod *target_method, MonoDomain *domain, MonoGenericContext *generic_context, unsigned char *is_bb_start, int body_start_offset, MonoClass *constrained_class, gboolean readonly)
663 MonoImage *image = method->klass->image;
664 MonoMethodSignature *csignature;
666 int virtual = *td->ip == CEE_CALLVIRT;
667 int calli = *td->ip == CEE_CALLI || *td->ip == CEE_MONO_CALLI_EXTRA_ARG;
669 guint32 vt_stack_used = 0;
670 guint32 vt_res_size = 0;
675 guint32 token = read32 (td->ip + 1);
677 if (target_method == NULL) {
680 native = (method->wrapper_type != MONO_WRAPPER_DELEGATE_INVOKE && td->sp [-1].type == STACK_TYPE_I);
682 if (method->wrapper_type != MONO_WRAPPER_NONE)
683 csignature = (MonoMethodSignature *)mono_method_get_wrapper_data (method, token);
685 csignature = mono_metadata_parse_signature (image, token);
687 if (generic_context) {
688 csignature = mono_inflate_generic_signature (csignature, generic_context, &error);
689 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
692 target_method = NULL;
694 if (method->wrapper_type == MONO_WRAPPER_NONE)
695 target_method = mono_get_method_full (image, token, NULL, generic_context);
697 target_method = (MonoMethod *)mono_method_get_wrapper_data (method, token);
698 csignature = mono_method_signature (target_method);
699 if (target_method->klass == mono_defaults.string_class) {
700 if (target_method->name [0] == 'g') {
701 if (strcmp (target_method->name, "get_Chars") == 0)
703 else if (strcmp (target_method->name, "get_Length") == 0)
706 } else if (mono_class_is_subclass_of (target_method->klass, mono_defaults.array_class, FALSE)) {
707 if (!strcmp (target_method->name, "get_Rank")) {
708 op = MINT_ARRAY_RANK;
709 } else if (!strcmp (target_method->name, "get_Length")) {
711 } else if (!strcmp (target_method->name, "Address")) {
712 op = readonly ? MINT_LDELEMA : MINT_LDELEMA_TC;
714 } else if (target_method && generic_context) {
715 csignature = mono_inflate_generic_signature (csignature, generic_context, &error);
716 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
717 target_method = mono_class_inflate_generic_method_checked (target_method, generic_context, &error);
718 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
722 csignature = mono_method_signature (target_method);
725 if (constrained_class) {
726 if (constrained_class->enumtype && !strcmp (target_method->name, "GetHashCode")) {
727 /* Use the corresponding method from the base type to avoid boxing */
728 MonoType *base_type = mono_class_enum_basetype (constrained_class);
729 g_assert (base_type);
730 constrained_class = mono_class_from_mono_type (base_type);
731 target_method = mono_class_get_method_from_name (constrained_class, target_method->name, 0);
732 g_assert (target_method);
736 if (constrained_class) {
737 mono_class_setup_vtable (constrained_class);
739 g_print ("CONSTRAINED.CALLVIRT: %s::%s. %s (%p) ->\n", target_method->klass->name, target_method->name, mono_signature_full_name (target_method->signature), target_method);
741 target_method = mono_get_method_constrained_with_method (image, target_method, constrained_class, generic_context, &error);
743 g_print (" : %s::%s. %s (%p)\n", target_method->klass->name, target_method->name, mono_signature_full_name (target_method->signature), target_method);
745 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
746 mono_class_setup_vtable (target_method->klass);
748 if (constrained_class->valuetype && (target_method->klass == mono_defaults.object_class || target_method->klass == mono_defaults.enum_class->parent || target_method->klass == mono_defaults.enum_class)) {
749 if (target_method->klass == mono_defaults.enum_class && (td->sp - csignature->param_count - 1)->type == STACK_TYPE_MP) {
750 /* managed pointer on the stack, we need to deref that puppy */
751 ADD_CODE (td, MINT_LDIND_I);
752 ADD_CODE (td, csignature->param_count);
754 ADD_CODE (td, MINT_BOX);
755 ADD_CODE (td, get_data_item_index (td, constrained_class));
756 ADD_CODE (td, csignature->param_count);
757 } else if (!constrained_class->valuetype) {
758 /* managed pointer on the stack, we need to deref that puppy */
759 ADD_CODE (td, MINT_LDIND_I);
760 ADD_CODE (td, csignature->param_count);
762 if (target_method->klass->valuetype) {
765 /* Interface method */
768 mono_class_setup_vtable (constrained_class);
769 ioffset = mono_class_interface_offset (constrained_class, target_method->klass);
771 g_error ("type load error: constrained_class");
772 slot = mono_method_get_vtable_slot (target_method);
774 g_error ("type load error: target_method->klass");
775 target_method = constrained_class->vtable [ioffset + slot];
777 if (target_method->klass == mono_defaults.enum_class) {
778 if ((td->sp - csignature->param_count - 1)->type == STACK_TYPE_MP) {
779 /* managed pointer on the stack, we need to deref that puppy */
780 ADD_CODE (td, MINT_LDIND_I);
781 ADD_CODE (td, csignature->param_count);
783 ADD_CODE (td, MINT_BOX);
784 ADD_CODE (td, get_data_item_index (td, constrained_class));
785 ADD_CODE (td, csignature->param_count);
793 mono_class_init (target_method->klass);
795 CHECK_STACK (td, csignature->param_count + csignature->hasthis);
796 if (!calli && (!virtual || (target_method->flags & METHOD_ATTRIBUTE_VIRTUAL) == 0) &&
797 (target_method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) == 0 &&
798 (target_method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) == 0 &&
799 !(target_method->iflags & METHOD_IMPL_ATTRIBUTE_NOINLINING)) {
800 int called_inited = mono_class_vtable (domain, target_method->klass)->initialized;
801 MonoMethodHeader *mheader = mono_method_get_header (target_method);
803 if (/*mono_metadata_signature_equal (method->signature, target_method->signature) */ method == target_method && *(td->ip + 5) == CEE_RET) {
805 if (mono_interp_traceopt)
806 g_print ("Optimize tail call of %s.%s\n", target_method->klass->name, target_method->name);
808 for (i = csignature->param_count - 1 + !!csignature->hasthis; i >= 0; --i)
811 ADD_CODE(td, MINT_BR_S);
812 offset = body_start_offset - ((td->new_ip - 1) - td->new_code);
813 ADD_CODE(td, offset);
814 if (!is_bb_start [td->ip + 5 - td->il_code])
815 ++td->ip; /* gobble the CEE_RET if it isn't branched to */
819 /* mheader might not exist if this is a delegate invoc, etc */
820 if (mheader && *mheader->code == CEE_RET && called_inited) {
821 if (mono_interp_traceopt)
822 g_print ("Inline (empty) call of %s.%s\n", target_method->klass->name, target_method->name);
823 for (i = 0; i < csignature->param_count; i++) {
824 ADD_CODE (td, MINT_POP); /*FIX: vt */
827 if (csignature->hasthis) {
829 ADD_CODE(td, MINT_CKNULL);
830 ADD_CODE (td, MINT_POP);
833 td->sp -= csignature->param_count + csignature->hasthis;
839 if (method->wrapper_type == MONO_WRAPPER_NONE && target_method != NULL) {
840 if (target_method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL)
841 target_method = mono_marshal_get_native_wrapper (target_method, FALSE, FALSE);
842 if (!virtual && target_method->iflags & METHOD_IMPL_ATTRIBUTE_SYNCHRONIZED)
843 target_method = mono_marshal_get_synchronized_wrapper (target_method);
845 g_assert (csignature->call_convention == MONO_CALL_DEFAULT || csignature->call_convention == MONO_CALL_C);
846 td->sp -= csignature->param_count + !!csignature->hasthis;
847 for (i = 0; i < csignature->param_count; ++i) {
848 if (td->sp [i + !!csignature->hasthis].type == STACK_TYPE_VT) {
850 MonoClass *klass = mono_class_from_mono_type (csignature->params [i]);
851 if (csignature->pinvoke && method->wrapper_type != MONO_WRAPPER_NONE)
852 size = mono_class_native_size (klass, NULL);
854 size = mono_class_value_size (klass, NULL);
855 size = (size + 7) & ~7;
856 vt_stack_used += size;
860 /* need to handle typedbyref ... */
861 if (csignature->ret->type != MONO_TYPE_VOID) {
862 int mt = mint_type(csignature->ret);
863 MonoClass *klass = mono_class_from_mono_type (csignature->ret);
864 if (mt == MINT_TYPE_VT) {
865 if (csignature->pinvoke && method->wrapper_type != MONO_WRAPPER_NONE)
866 vt_res_size = mono_class_native_size (klass, NULL);
868 vt_res_size = mono_class_value_size (klass, NULL);
869 PUSH_VT(td, vt_res_size);
871 PUSH_TYPE(td, stack_type[mt], klass);
877 #if SIZEOF_VOID_P == 8
878 if (op == MINT_LDLEN)
879 ADD_CODE (td, MINT_CONV_I4_I8);
881 if (op == MINT_LDELEMA || op == MINT_LDELEMA_TC) {
882 ADD_CODE (td, get_data_item_index (td, target_method->klass));
883 ADD_CODE (td, 1 + target_method->klass->rank);
885 } else if (!calli && !virtual && jit_call_supported (target_method, csignature)) {
886 ADD_CODE(td, MINT_JIT_CALL);
887 ADD_CODE(td, get_data_item_index (td, (void *)mono_interp_get_runtime_method (domain, target_method, &error)));
888 mono_error_assert_ok (&error);
891 ADD_CODE(td, native ? MINT_CALLI_NAT : MINT_CALLI);
893 ADD_CODE(td, is_void ? MINT_VCALLVIRT : MINT_CALLVIRT);
895 ADD_CODE(td, is_void ? MINT_VCALL : MINT_CALL);
898 ADD_CODE(td, get_data_item_index (td, (void *)csignature));
900 ADD_CODE(td, get_data_item_index (td, (void *)mono_interp_get_runtime_method (domain, target_method, &error)));
901 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
905 if (vt_stack_used != 0 || vt_res_size != 0) {
906 ADD_CODE(td, MINT_VTRESULT);
907 ADD_CODE(td, vt_res_size);
908 WRITE32(td, &vt_stack_used);
909 td->vt_sp -= vt_stack_used;
913 static MonoClassField *
914 interp_field_from_token (MonoMethod *method, guint32 token, MonoClass **klass, MonoGenericContext *generic_context)
916 MonoClassField *field = NULL;
917 if (method->wrapper_type != MONO_WRAPPER_NONE) {
918 field = (MonoClassField *) mono_method_get_wrapper_data (method, token);
919 *klass = field->parent;
923 field = mono_field_from_token_checked (method->klass->image, token, klass, generic_context, &error);
924 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
930 interp_save_debug_info (RuntimeMethod *rtm, MonoMethodHeader *header, TransformData *td, GArray *line_numbers)
932 MonoDebugMethodJitInfo *dinfo;
935 if (!mono_debug_enabled ())
939 * We save the debug info in the same way the JIT does it, treating the interpreter IR as the native code.
942 dinfo = g_new0 (MonoDebugMethodJitInfo, 1);
943 dinfo->num_locals = header->num_locals;
944 dinfo->locals = g_new0 (MonoDebugVarInfo, header->num_locals);
945 dinfo->code_start = (guint8*)rtm->code;
946 dinfo->code_size = td->new_ip - td->new_code;
947 dinfo->epilogue_begin = 0;
948 dinfo->has_var_info = FALSE;
949 dinfo->num_line_numbers = line_numbers->len;
950 dinfo->line_numbers = g_new0 (MonoDebugLineNumberEntry, dinfo->num_line_numbers);
951 for (i = 0; i < dinfo->num_line_numbers; i++)
952 dinfo->line_numbers [i] = g_array_index (line_numbers, MonoDebugLineNumberEntry, i);
953 mono_debug_add_method (rtm->method, dinfo, mono_domain_get ());
955 mono_debug_free_method_jit_info (dinfo);
959 generate (MonoMethod *method, RuntimeMethod *rtm, unsigned char *is_bb_start, MonoGenericContext *generic_context)
961 MonoMethodHeader *header = mono_method_get_header (method);
962 MonoMethodSignature *signature = mono_method_signature (method);
963 MonoImage *image = method->klass->image;
964 MonoDomain *domain = mono_domain_get ();
965 MonoClass *constrained_class = NULL;
967 int offset, mt, i, i32;
968 gboolean readonly = FALSE;
970 MonoClassField *field;
971 const unsigned char *end;
972 int new_in_start_offset;
973 int body_start_offset;
977 int generating_code = 1;
978 GArray *line_numbers;
980 memset(&td, 0, sizeof(td));
983 td.is_bb_start = is_bb_start;
984 td.il_code = header->code;
985 td.code_size = header->code_size;
987 td.max_code_size = td.code_size;
988 td.new_code = (unsigned short *)g_malloc(td.max_code_size * sizeof(gushort));
989 td.new_code_end = td.new_code + td.max_code_size;
990 td.in_offsets = g_malloc0(header->code_size * sizeof(int));
991 td.forward_refs = g_malloc(header->code_size * sizeof(int));
992 td.stack_state = g_malloc0(header->code_size * sizeof(StackInfo *));
993 td.stack_height = g_malloc(header->code_size * sizeof(int));
994 td.vt_stack_size = g_malloc(header->code_size * sizeof(int));
996 td.max_data_items = 0;
997 td.data_items = NULL;
998 td.data_hash = g_hash_table_new (NULL, NULL);
999 td.clause_indexes = g_malloc (header->code_size * sizeof (int));
1000 rtm->data_items = td.data_items;
1001 for (i = 0; i < header->code_size; i++) {
1002 td.forward_refs [i] = -1;
1003 td.stack_height [i] = -1;
1004 td.clause_indexes [i] = -1;
1006 td.new_ip = td.new_code;
1007 td.last_new_ip = NULL;
1009 td.stack = g_malloc0 ((header->max_stack + 1) * sizeof (td.stack [0]));
1011 td.max_stack_height = 0;
1013 line_numbers = g_array_new (FALSE, TRUE, sizeof (MonoDebugLineNumberEntry));
1015 for (i = 0; i < header->num_clauses; i++) {
1016 MonoExceptionClause *c = header->clauses + i;
1017 td.stack_height [c->handler_offset] = 0;
1018 td.vt_stack_size [c->handler_offset] = 0;
1019 td.is_bb_start [c->handler_offset] = 1;
1021 td.stack_height [c->handler_offset] = 1;
1022 td.stack_state [c->handler_offset] = g_malloc0(sizeof(StackInfo));
1023 td.stack_state [c->handler_offset][0].type = STACK_TYPE_O;
1024 td.stack_state [c->handler_offset][0].klass = NULL; /*FIX*/
1026 if (c->flags & MONO_EXCEPTION_CLAUSE_FILTER) {
1027 td.stack_height [c->data.filter_offset] = 0;
1028 td.vt_stack_size [c->data.filter_offset] = 0;
1029 td.is_bb_start [c->data.filter_offset] = 1;
1031 td.stack_height [c->data.filter_offset] = 1;
1032 td.stack_state [c->data.filter_offset] = g_malloc0(sizeof(StackInfo));
1033 td.stack_state [c->data.filter_offset][0].type = STACK_TYPE_O;
1034 td.stack_state [c->data.filter_offset][0].klass = NULL; /*FIX*/
1037 if ((c->flags & MONO_EXCEPTION_CLAUSE_FINALLY) || (c->flags & MONO_EXCEPTION_CLAUSE_FAULT)) {
1038 for (int j = c->handler_offset; j < c->handler_offset + c->handler_len; ++j) {
1039 if (td.clause_indexes [j] == -1)
1040 td.clause_indexes [j] = i;
1045 td.ip = header->code;
1046 end = td.ip + header->code_size;
1048 if (mono_interp_traceopt) {
1049 char *tmp = mono_disasm_code (NULL, method, td.ip, end);
1050 char *name = mono_method_full_name (method, TRUE);
1051 g_print ("Method %s, original code:\n", name);
1052 g_print ("%s\n", tmp);
1057 if (signature->hasthis)
1058 store_inarg (&td, 0);
1059 for (i = 0; i < signature->param_count; i++)
1060 store_inarg (&td, i + !!signature->hasthis);
1062 body_start_offset = td.new_ip - td.new_code;
1064 for (i = 0; i < header->num_locals; i++) {
1065 int mt = mint_type(header->locals [i]);
1066 if (mt == MINT_TYPE_VT || mt == MINT_TYPE_O || mt == MINT_TYPE_P) {
1067 ADD_CODE(&td, MINT_INITLOCALS);
1072 while (td.ip < end) {
1075 g_assert (td.sp >= td.stack);
1076 g_assert (td.vt_sp < 0x10000000);
1077 in_offset = td.ip - header->code;
1078 td.in_offsets [in_offset] = td.new_ip - td.new_code;
1079 new_in_start_offset = td.new_ip - td.new_code;
1080 td.in_start = td.ip;
1082 MonoDebugLineNumberEntry lne;
1083 lne.native_offset = td.new_ip - td.new_code;
1084 lne.il_offset = td.ip - header->code;
1085 g_array_append_val (line_numbers, lne);
1087 while (td.forward_refs [in_offset] >= 0) {
1088 int j = td.forward_refs [in_offset];
1090 td.forward_refs [in_offset] = td.forward_refs [j];
1091 if (td.in_offsets [j] < 0) {
1092 int old_switch_offset = -td.in_offsets [j];
1093 int new_switch_offset = td.in_offsets [old_switch_offset];
1094 int switch_case = (j - old_switch_offset - 5) / 4;
1095 int n_cases = read32 (header->code + old_switch_offset + 1);
1096 offset = (td.new_ip - td.new_code) - (new_switch_offset + 2 * n_cases + 3);
1097 slot = new_switch_offset + 3 + 2 * switch_case;
1098 td.new_code [slot] = * (unsigned short *)(&offset);
1099 td.new_code [slot + 1] = * ((unsigned short *)&offset + 1);
1101 int op = td.new_code [td.in_offsets [j]];
1102 if (mono_interp_opargtype [op] == MintOpShortBranch) {
1103 offset = (td.new_ip - td.new_code) - td.in_offsets [j];
1104 g_assert (offset <= 32767);
1105 slot = td.in_offsets [j] + 1;
1106 td.new_code [slot] = offset;
1108 offset = (td.new_ip - td.new_code) - td.in_offsets [j];
1109 slot = td.in_offsets [j] + 1;
1110 td.new_code [slot] = * (unsigned short *)(&offset);
1111 td.new_code [slot + 1] = * ((unsigned short *)&offset + 1);
1115 if (td.stack_height [in_offset] >= 0) {
1116 g_assert (is_bb_start [in_offset]);
1117 if (td.stack_height [in_offset] > 0)
1118 memcpy (td.stack, td.stack_state [in_offset], td.stack_height [in_offset] * sizeof(td.stack [0]));
1119 td.sp = td.stack + td.stack_height [in_offset];
1120 td.vt_sp = td.vt_stack_size [in_offset];
1122 if (is_bb_start [in_offset]) {
1123 generating_code = 1;
1125 if (!generating_code) {
1126 while (td.ip < end && !is_bb_start [td.ip - td.il_code])
1130 if (mono_interp_traceopt > 1) {
1131 printf("IL_%04lx %s %-10s -> IL_%04lx, sp %ld, %s %-12s vt_sp %u (max %u)\n",
1133 td.is_bb_start [td.ip - td.il_code] == 3 ? "<>" :
1134 td.is_bb_start [td.ip - td.il_code] == 2 ? "< " :
1135 td.is_bb_start [td.ip - td.il_code] == 1 ? " >" : " ",
1136 mono_opcode_name (*td.ip), td.new_ip - td.new_code, td.sp - td.stack,
1137 td.sp > td.stack ? stack_type_string [td.sp [-1].type] : " ",
1138 (td.sp > td.stack && (td.sp [-1].type == STACK_TYPE_O || td.sp [-1].type == STACK_TYPE_VT)) ? (td.sp [-1].klass == NULL ? "?" : td.sp [-1].klass->name) : "",
1139 td.vt_sp, td.max_vt_sp);
1147 SIMPLE_OP(td, MINT_BREAK);
1153 load_arg (&td, *td.ip - CEE_LDARG_0);
1160 load_local (&td, *td.ip - CEE_LDLOC_0);
1167 store_local (&td, *td.ip - CEE_STLOC_0);
1171 load_arg (&td, ((guint8 *)td.ip)[1]);
1174 case CEE_LDARGA_S: {
1175 /* NOTE: n includes this */
1176 int n = ((guint8 *) td.ip) [1];
1177 ADD_CODE (&td, MINT_LDARGA);
1178 ADD_CODE (&td, td.rtm->arg_offsets [n]);
1179 PUSH_SIMPLE_TYPE(&td, STACK_TYPE_MP);
1184 store_arg (&td, ((guint8 *)td.ip)[1]);
1188 load_local (&td, ((guint8 *)td.ip)[1]);
1192 ADD_CODE(&td, MINT_LDLOCA_S);
1193 ADD_CODE(&td, td.rtm->local_offsets [((guint8 *)td.ip)[1]]);
1194 PUSH_SIMPLE_TYPE(&td, STACK_TYPE_MP);
1198 store_local (&td, ((guint8 *)td.ip)[1]);
1202 SIMPLE_OP(td, MINT_LDNULL);
1203 PUSH_TYPE(&td, STACK_TYPE_O, NULL);
1206 SIMPLE_OP(td, MINT_LDC_I4_M1);
1207 PUSH_SIMPLE_TYPE(&td, STACK_TYPE_I4);
1210 if (!td.is_bb_start[td.ip + 1 - td.il_code] && td.ip [1] == 0xfe && td.ip [2] == CEE_CEQ &&
1211 td.sp > td.stack && td.sp [-1].type == STACK_TYPE_I4) {
1212 SIMPLE_OP(td, MINT_CEQ0_I4);
1215 SIMPLE_OP(td, MINT_LDC_I4_0);
1216 PUSH_SIMPLE_TYPE(&td, STACK_TYPE_I4);
1220 if (!td.is_bb_start[td.ip + 1 - td.il_code] &&
1221 (td.ip [1] == CEE_ADD || td.ip [1] == CEE_SUB) && td.sp [-1].type == STACK_TYPE_I4) {
1222 ADD_CODE(&td, td.ip [1] == CEE_ADD ? MINT_ADD1_I4 : MINT_SUB1_I4);
1225 SIMPLE_OP(td, MINT_LDC_I4_1);
1226 PUSH_SIMPLE_TYPE(&td, STACK_TYPE_I4);
1236 SIMPLE_OP(td, (*td.ip - CEE_LDC_I4_0) + MINT_LDC_I4_0);
1237 PUSH_SIMPLE_TYPE(&td, STACK_TYPE_I4);
1240 ADD_CODE(&td, MINT_LDC_I4_S);
1241 ADD_CODE(&td, ((gint8 *) td.ip) [1]);
1243 PUSH_SIMPLE_TYPE(&td, STACK_TYPE_I4);
1246 i32 = read32 (td.ip + 1);
1247 ADD_CODE(&td, MINT_LDC_I4);
1250 PUSH_SIMPLE_TYPE(&td, STACK_TYPE_I4);
1253 gint64 val = read64 (td.ip + 1);
1254 ADD_CODE(&td, MINT_LDC_I8);
1257 PUSH_SIMPLE_TYPE(&td, STACK_TYPE_I8);
1262 readr4 (td.ip + 1, &val);
1263 ADD_CODE(&td, MINT_LDC_R4);
1266 PUSH_SIMPLE_TYPE(&td, STACK_TYPE_R8);
1271 readr8 (td.ip + 1, &val);
1272 ADD_CODE(&td, MINT_LDC_R8);
1275 PUSH_SIMPLE_TYPE(&td, STACK_TYPE_R8);
1279 int type = td.sp [-1].type;
1280 MonoClass *klass = td.sp [-1].klass;
1281 if (td.sp [-1].type == STACK_TYPE_VT) {
1282 gint32 size = mono_class_value_size (klass, NULL);
1284 ADD_CODE(&td, MINT_DUP_VT);
1285 WRITE32(&td, &size);
1288 SIMPLE_OP(td, MINT_DUP);
1289 PUSH_TYPE(&td, type, klass);
1293 CHECK_STACK(&td, 1);
1294 SIMPLE_OP(td, MINT_POP);
1296 if (td.sp [-1].type == STACK_TYPE_VT) {
1297 int size = mono_class_value_size (td.sp [-1].klass, NULL);
1298 size = (size + 7) & ~7;
1299 ADD_CODE(&td, MINT_VTRESULT);
1301 WRITE32(&td, &size);
1308 if (td.sp > td.stack)
1309 g_warning ("CEE_JMP: stack must be empty");
1310 token = read32 (td.ip + 1);
1311 m = mono_get_method_full (image, token, NULL, generic_context);
1312 ADD_CODE (&td, MINT_JMP);
1313 ADD_CODE (&td, get_data_item_index (&td, mono_interp_get_runtime_method (domain, m, &error)));
1314 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
1318 case CEE_CALLVIRT: /* Fall through */
1319 case CEE_CALLI: /* Fall through */
1321 interp_transform_call (&td, method, NULL, domain, generic_context, is_bb_start, body_start_offset, constrained_class, readonly);
1322 constrained_class = NULL;
1328 if (signature->ret->type != MONO_TYPE_VOID) {
1330 MonoClass *klass = mono_class_from_mono_type (signature->ret);
1331 if (mint_type (&klass->byval_arg) == MINT_TYPE_VT) {
1332 vt_size = mono_class_value_size (klass, NULL);
1333 vt_size = (vt_size + 7) & ~7;
1336 if (td.sp > td.stack)
1337 g_warning ("%s.%s: CEE_RET: more values on stack: %d", td.method->klass->name, td.method->name, td.sp - td.stack);
1338 if (td.vt_sp != vt_size)
1339 g_error ("%s.%s: CEE_RET: value type stack: %d vs. %d", td.method->klass->name, td.method->name, td.vt_sp, vt_size);
1341 SIMPLE_OP(td, signature->ret->type == MONO_TYPE_VOID ? MINT_RET_VOID : MINT_RET);
1343 ADD_CODE(&td, MINT_RET_VT);
1344 WRITE32(&td, &vt_size);
1347 generating_code = 0;
1351 handle_branch (&td, MINT_BR_S, MINT_BR, 5 + read32 (td.ip + 1));
1353 generating_code = 0;
1356 handle_branch (&td, MINT_BR_S, MINT_BR, 2 + (gint8)td.ip [1]);
1358 generating_code = 0;
1361 one_arg_branch (&td, MINT_BRFALSE_I4, 5 + read32 (td.ip + 1));
1365 one_arg_branch (&td, MINT_BRFALSE_I4, 2 + (gint8)td.ip [1]);
1369 one_arg_branch (&td, MINT_BRTRUE_I4, 5 + read32 (td.ip + 1));
1373 one_arg_branch (&td, MINT_BRTRUE_I4, 2 + (gint8)td.ip [1]);
1377 two_arg_branch (&td, MINT_BEQ_I4, 5 + read32 (td.ip + 1));
1381 two_arg_branch (&td, MINT_BEQ_I4, 2 + (gint8) td.ip [1]);
1385 two_arg_branch (&td, MINT_BGE_I4, 5 + read32 (td.ip + 1));
1389 two_arg_branch (&td, MINT_BGE_I4, 2 + (gint8) td.ip [1]);
1393 two_arg_branch (&td, MINT_BGT_I4, 5 + read32 (td.ip + 1));
1397 two_arg_branch (&td, MINT_BGT_I4, 2 + (gint8) td.ip [1]);
1401 two_arg_branch (&td, MINT_BLT_I4, 5 + read32 (td.ip + 1));
1405 two_arg_branch (&td, MINT_BLT_I4, 2 + (gint8) td.ip [1]);
1409 two_arg_branch (&td, MINT_BLE_I4, 5 + read32 (td.ip + 1));
1413 two_arg_branch (&td, MINT_BLE_I4, 2 + (gint8) td.ip [1]);
1417 two_arg_branch (&td, MINT_BNE_UN_I4, 5 + read32 (td.ip + 1));
1421 two_arg_branch (&td, MINT_BNE_UN_I4, 2 + (gint8) td.ip [1]);
1425 two_arg_branch (&td, MINT_BGE_UN_I4, 5 + read32 (td.ip + 1));
1429 two_arg_branch (&td, MINT_BGE_UN_I4, 2 + (gint8) td.ip [1]);
1433 two_arg_branch (&td, MINT_BGT_UN_I4, 5 + read32 (td.ip + 1));
1437 two_arg_branch (&td, MINT_BGT_UN_I4, 2 + (gint8) td.ip [1]);
1441 two_arg_branch (&td, MINT_BLE_UN_I4, 5 + read32 (td.ip + 1));
1445 two_arg_branch (&td, MINT_BLE_UN_I4, 2 + (gint8) td.ip [1]);
1449 two_arg_branch (&td, MINT_BLT_UN_I4, 5 + read32 (td.ip + 1));
1453 two_arg_branch (&td, MINT_BLT_UN_I4, 2 + (gint8) td.ip [1]);
1458 const unsigned char *next_ip;
1459 const unsigned char *base_ip = td.ip;
1460 unsigned short *next_new_ip;
1463 ADD_CODE (&td, MINT_SWITCH);
1466 next_ip = td.ip + n * 4;
1467 next_new_ip = td.new_ip + n * 2;
1469 int stack_height = td.sp - td.stack;
1470 for (i = 0; i < n; i++) {
1471 offset = read32 (td.ip);
1472 target = next_ip - td.il_code + offset;
1475 if (stack_height > 0 && stack_height != td.stack_height [target])
1476 g_warning ("SWITCH with back branch and non-empty stack");
1478 target = td.in_offsets [target] - (next_new_ip - td.new_code);
1480 td.stack_height [target] = stack_height;
1481 td.vt_stack_size [target] = td.vt_sp;
1482 if (stack_height > 0)
1483 td.stack_state [target] = g_memdup (td.stack, stack_height * sizeof (td.stack [0]));
1484 int prev = td.forward_refs [target];
1485 td.forward_refs [td.ip - td.il_code] = prev;
1486 td.forward_refs [target] = td.ip - td.il_code;
1487 td.in_offsets [td.ip - td.il_code] = - (base_ip - td.il_code);
1489 WRITE32 (&td, &target);
1495 CHECK_STACK (&td, 1);
1496 SIMPLE_OP (td, MINT_LDIND_I1);
1497 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
1500 CHECK_STACK (&td, 1);
1501 SIMPLE_OP (td, MINT_LDIND_U1);
1502 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
1505 CHECK_STACK (&td, 1);
1506 SIMPLE_OP (td, MINT_LDIND_I2);
1507 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
1510 CHECK_STACK (&td, 1);
1511 SIMPLE_OP (td, MINT_LDIND_U2);
1512 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
1515 CHECK_STACK (&td, 1);
1516 SIMPLE_OP (td, MINT_LDIND_I4);
1517 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
1520 CHECK_STACK (&td, 1);
1521 SIMPLE_OP (td, MINT_LDIND_U4);
1522 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
1525 CHECK_STACK (&td, 1);
1526 SIMPLE_OP (td, MINT_LDIND_I8);
1527 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I8);
1530 CHECK_STACK (&td, 1);
1531 SIMPLE_OP (td, MINT_LDIND_I);
1533 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I);
1536 CHECK_STACK (&td, 1);
1537 SIMPLE_OP (td, MINT_LDIND_R4);
1538 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_R8);
1541 CHECK_STACK (&td, 1);
1542 SIMPLE_OP (td, MINT_LDIND_R8);
1543 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_R8);
1546 CHECK_STACK (&td, 1);
1547 SIMPLE_OP (td, MINT_LDIND_REF);
1548 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_O);
1551 CHECK_STACK (&td, 2);
1552 SIMPLE_OP (td, MINT_STIND_REF);
1556 CHECK_STACK (&td, 2);
1557 SIMPLE_OP (td, MINT_STIND_I1);
1561 CHECK_STACK (&td, 2);
1562 SIMPLE_OP (td, MINT_STIND_I2);
1566 CHECK_STACK (&td, 2);
1567 SIMPLE_OP (td, MINT_STIND_I4);
1571 CHECK_STACK (&td, 2);
1572 SIMPLE_OP (td, MINT_STIND_I);
1576 CHECK_STACK (&td, 2);
1577 SIMPLE_OP (td, MINT_STIND_I8);
1581 CHECK_STACK (&td, 2);
1582 SIMPLE_OP (td, MINT_STIND_R4);
1586 CHECK_STACK (&td, 2);
1587 SIMPLE_OP (td, MINT_STIND_R8);
1591 binary_arith_op(&td, MINT_ADD_I4);
1595 binary_arith_op(&td, MINT_SUB_I4);
1599 binary_arith_op(&td, MINT_MUL_I4);
1603 binary_arith_op(&td, MINT_DIV_I4);
1607 binary_arith_op(&td, MINT_DIV_UN_I4);
1611 binary_arith_op (&td, MINT_REM_I4);
1615 binary_arith_op (&td, MINT_REM_UN_I4);
1619 binary_arith_op (&td, MINT_AND_I4);
1623 binary_arith_op (&td, MINT_OR_I4);
1627 binary_arith_op (&td, MINT_XOR_I4);
1631 shift_op (&td, MINT_SHL_I4);
1635 shift_op (&td, MINT_SHR_I4);
1639 shift_op (&td, MINT_SHR_UN_I4);
1643 unary_arith_op (&td, MINT_NEG_I4);
1647 unary_arith_op (&td, MINT_NOT_I4);
1651 CHECK_STACK (&td, 1);
1652 switch (td.sp [-1].type) {
1654 ADD_CODE(&td, MINT_CONV_U1_R8);
1657 ADD_CODE(&td, MINT_CONV_U1_I4);
1660 ADD_CODE(&td, MINT_CONV_U1_I8);
1663 g_assert_not_reached ();
1666 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
1669 CHECK_STACK (&td, 1);
1670 switch (td.sp [-1].type) {
1672 ADD_CODE(&td, MINT_CONV_I1_R8);
1675 ADD_CODE(&td, MINT_CONV_I1_I4);
1678 ADD_CODE(&td, MINT_CONV_I1_I8);
1681 g_assert_not_reached ();
1684 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
1687 CHECK_STACK (&td, 1);
1688 switch (td.sp [-1].type) {
1690 ADD_CODE(&td, MINT_CONV_U2_R8);
1693 ADD_CODE(&td, MINT_CONV_U2_I4);
1696 ADD_CODE(&td, MINT_CONV_U2_I8);
1699 g_assert_not_reached ();
1702 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
1705 CHECK_STACK (&td, 1);
1706 switch (td.sp [-1].type) {
1708 ADD_CODE(&td, MINT_CONV_I2_R8);
1711 ADD_CODE(&td, MINT_CONV_I2_I4);
1714 ADD_CODE(&td, MINT_CONV_I2_I8);
1717 g_assert_not_reached ();
1720 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
1723 CHECK_STACK (&td, 1);
1724 switch (td.sp [-1].type) {
1726 #if SIZEOF_VOID_P == 4
1727 ADD_CODE(&td, MINT_CONV_U4_R8);
1729 ADD_CODE(&td, MINT_CONV_U8_R8);
1733 #if SIZEOF_VOID_P == 8
1734 ADD_CODE(&td, MINT_CONV_U8_I4);
1738 #if SIZEOF_VOID_P == 4
1739 ADD_CODE(&td, MINT_CONV_U4_I8);
1745 g_assert_not_reached ();
1748 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I);
1751 CHECK_STACK (&td, 1);
1752 switch (td.sp [-1].type) {
1754 #if SIZEOF_VOID_P == 8
1755 ADD_CODE(&td, MINT_CONV_I8_R8);
1757 ADD_CODE(&td, MINT_CONV_I4_R8);
1761 #if SIZEOF_VOID_P == 8
1762 ADD_CODE(&td, MINT_CONV_I8_I4);
1770 #if SIZEOF_VOID_P == 4
1771 ADD_CODE(&td, MINT_CONV_I4_I8);
1775 g_assert_not_reached ();
1778 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I);
1781 CHECK_STACK (&td, 1);
1782 switch (td.sp [-1].type) {
1784 ADD_CODE(&td, MINT_CONV_U4_R8);
1789 ADD_CODE(&td, MINT_CONV_U4_I8);
1792 #if SIZEOF_VOID_P == 8
1793 ADD_CODE(&td, MINT_CONV_U4_I8);
1797 g_assert_not_reached ();
1800 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
1803 CHECK_STACK (&td, 1);
1804 switch (td.sp [-1].type) {
1806 ADD_CODE(&td, MINT_CONV_I4_R8);
1811 ADD_CODE(&td, MINT_CONV_I4_I8);
1814 #if SIZEOF_VOID_P == 8
1815 ADD_CODE(&td, MINT_CONV_I4_I8);
1819 g_assert_not_reached ();
1822 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
1825 CHECK_STACK (&td, 1);
1826 switch (td.sp [-1].type) {
1828 ADD_CODE(&td, MINT_CONV_I8_R8);
1831 ADD_CODE(&td, MINT_CONV_I8_I4);
1836 #if SIZEOF_VOID_P == 4
1837 ADD_CODE(&td, MINT_CONV_I8_I4);
1841 g_assert_not_reached ();
1844 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I8);
1847 CHECK_STACK (&td, 1);
1848 switch (td.sp [-1].type) {
1850 ADD_CODE(&td, MINT_CONV_R4_R8);
1853 ADD_CODE(&td, MINT_CONV_R4_I8);
1856 ADD_CODE(&td, MINT_CONV_R4_I4);
1859 g_assert_not_reached ();
1862 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_R8);
1865 CHECK_STACK (&td, 1);
1866 switch (td.sp [-1].type) {
1868 ADD_CODE(&td, MINT_CONV_R8_I4);
1871 ADD_CODE(&td, MINT_CONV_R8_I8);
1876 g_assert_not_reached ();
1879 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_R8);
1882 CHECK_STACK (&td, 1);
1883 switch (td.sp [-1].type) {
1885 ADD_CODE(&td, MINT_CONV_U8_I4);
1890 ADD_CODE(&td, MINT_CONV_U8_R8);
1893 #if SIZEOF_VOID_P == 4
1894 ADD_CODE(&td, MINT_CONV_U8_I4);
1898 g_assert_not_reached ();
1901 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I8);
1904 CHECK_STACK (&td, 2);
1906 token = read32 (td.ip + 1);
1907 klass = mono_class_get_full (image, token, generic_context);
1909 if (klass->valuetype) {
1910 ADD_CODE (&td, MINT_CPOBJ);
1911 ADD_CODE (&td, get_data_item_index(&td, klass));
1913 ADD_CODE (&td, MINT_LDIND_REF);
1914 ADD_CODE (&td, MINT_STIND_REF);
1922 CHECK_STACK (&td, 1);
1924 token = read32 (td.ip + 1);
1926 if (method->wrapper_type != MONO_WRAPPER_NONE)
1927 klass = (MonoClass *)mono_method_get_wrapper_data (method, token);
1929 klass = mono_class_get_full (image, token, generic_context);
1931 ADD_CODE(&td, MINT_LDOBJ);
1932 ADD_CODE(&td, get_data_item_index(&td, klass));
1933 if (mint_type (&klass->byval_arg) == MINT_TYPE_VT) {
1934 size = mono_class_value_size (klass, NULL);
1938 SET_TYPE(td.sp - 1, stack_type[mint_type(&klass->byval_arg)], klass);
1943 token = mono_metadata_token_index (read32 (td.ip + 1));
1945 if (method->wrapper_type != MONO_WRAPPER_NONE) {
1946 s = mono_string_new_wrapper(
1947 mono_method_get_wrapper_data (method, token));
1950 s = mono_ldstr (domain, image, token);
1951 ADD_CODE(&td, MINT_LDSTR);
1952 ADD_CODE(&td, get_data_item_index (&td, s));
1953 PUSH_TYPE(&td, STACK_TYPE_O, mono_defaults.string_class);
1958 MonoMethodSignature *csignature;
1959 guint32 vt_stack_used = 0;
1960 guint32 vt_res_size = 0;
1963 token = read32 (td.ip);
1966 if (method->wrapper_type != MONO_WRAPPER_NONE)
1967 m = (MonoMethod *)mono_method_get_wrapper_data (method, token);
1969 m = mono_get_method_full (image, token, NULL, generic_context);
1971 csignature = mono_method_signature (m);
1973 td.sp -= csignature->param_count;
1974 ADD_CODE(&td, MINT_NEWOBJ);
1975 ADD_CODE(&td, get_data_item_index (&td, mono_interp_get_runtime_method (domain, m, &error)));
1976 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
1978 if (mint_type (&klass->byval_arg) == MINT_TYPE_VT) {
1979 vt_res_size = mono_class_value_size (klass, NULL);
1980 PUSH_VT (&td, vt_res_size);
1982 for (i = 0; i < csignature->param_count; ++i) {
1983 int mt = mint_type(csignature->params [i]);
1984 if (mt == MINT_TYPE_VT) {
1985 MonoClass *k = mono_class_from_mono_type (csignature->params [i]);
1986 gint32 size = mono_class_value_size (k, NULL);
1987 size = (size + 7) & ~7;
1988 vt_stack_used += size;
1991 if (vt_stack_used != 0 || vt_res_size != 0) {
1992 ADD_CODE(&td, MINT_VTRESULT);
1993 ADD_CODE(&td, vt_res_size);
1994 WRITE32(&td, &vt_stack_used);
1995 td.vt_sp -= vt_stack_used;
1997 PUSH_TYPE (&td, stack_type [mint_type (&klass->byval_arg)], klass);
2001 CHECK_STACK (&td, 1);
2002 token = read32 (td.ip + 1);
2003 klass = mini_get_class (method, token, generic_context);
2004 ADD_CODE(&td, MINT_CASTCLASS);
2005 ADD_CODE(&td, get_data_item_index (&td, klass));
2006 td.sp [-1].klass = klass;
2010 CHECK_STACK (&td, 1);
2011 token = read32 (td.ip + 1);
2012 klass = mini_get_class (method, token, generic_context);
2013 ADD_CODE(&td, MINT_ISINST);
2014 ADD_CODE(&td, get_data_item_index (&td, klass));
2018 switch (td.sp [-1].type) {
2022 ADD_CODE(&td, MINT_CONV_R_UN_I8);
2025 ADD_CODE(&td, MINT_CONV_R_UN_I4);
2028 g_assert_not_reached ();
2030 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_R8);
2034 CHECK_STACK (&td, 1);
2035 token = read32 (td.ip + 1);
2037 if (method->wrapper_type != MONO_WRAPPER_NONE)
2038 klass = (MonoClass *)mono_method_get_wrapper_data (method, token);
2040 klass = mono_class_get_full (image, token, generic_context);
2042 if (mono_class_is_nullable (klass)) {
2043 g_error ("cee_unbox: implement Nullable");
2046 ADD_CODE(&td, MINT_UNBOX);
2047 ADD_CODE(&td, get_data_item_index (&td, klass));
2048 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_MP);
2052 CHECK_STACK (&td, 1);
2053 token = read32 (td.ip + 1);
2055 klass = mini_get_class (method, token, generic_context);
2057 if (mini_type_is_reference (&klass->byval_arg)) {
2058 int mt = mint_type (&klass->byval_arg);
2059 ADD_CODE (&td, MINT_CASTCLASS);
2060 ADD_CODE (&td, get_data_item_index (&td, klass));
2061 SET_TYPE (td.sp - 1, stack_type [mt], klass);
2063 } else if (mono_class_is_nullable (klass)) {
2064 MonoMethod *target_method = mono_class_get_method_from_name (klass, "Unbox", 1);
2065 /* td.ip is incremented by interp_transform_call */
2066 interp_transform_call (&td, method, target_method, domain, generic_context, is_bb_start, body_start_offset, NULL, FALSE);
2068 int mt = mint_type (&klass->byval_arg);
2069 ADD_CODE (&td, MINT_UNBOX);
2070 ADD_CODE (&td, get_data_item_index (&td, klass));
2072 ADD_CODE (&td, MINT_LDOBJ);
2073 ADD_CODE (&td, get_data_item_index(&td, klass));
2074 SET_TYPE (td.sp - 1, stack_type [mt], klass);
2076 if (mt == MINT_TYPE_VT) {
2077 int size = mono_class_value_size (klass, NULL);
2078 PUSH_VT (&td, size);
2085 CHECK_STACK (&td, 1);
2086 SIMPLE_OP (td, MINT_THROW);
2088 generating_code = 0;
2091 CHECK_STACK (&td, 1);
2092 token = read32 (td.ip + 1);
2093 field = interp_field_from_token (method, token, &klass, generic_context);
2094 gboolean is_static = !!(field->type->attrs & FIELD_ATTRIBUTE_STATIC);
2095 mono_class_init (klass);
2097 ADD_CODE (&td, MINT_POP);
2099 ADD_CODE (&td, MINT_LDSFLDA);
2100 ADD_CODE (&td, get_data_item_index (&td, field));
2102 if ((td.sp - 1)->type == STACK_TYPE_O) {
2103 ADD_CODE (&td, MINT_LDFLDA);
2105 g_assert ((td.sp -1)->type == STACK_TYPE_MP);
2106 ADD_CODE (&td, MINT_LDFLDA_UNSAFE);
2108 ADD_CODE (&td, klass->valuetype ? field->offset - sizeof (MonoObject) : field->offset);
2111 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_MP);
2114 CHECK_STACK (&td, 1);
2115 token = read32 (td.ip + 1);
2116 field = interp_field_from_token (method, token, &klass, generic_context);
2117 gboolean is_static = !!(field->type->attrs & FIELD_ATTRIBUTE_STATIC);
2118 mono_class_init (klass);
2120 MonoClass *field_klass = mono_class_from_mono_type (field->type);
2121 mt = mint_type (&field_klass->byval_arg);
2122 if (klass->marshalbyref) {
2123 g_assert (!is_static);
2124 ADD_CODE(&td, mt == MINT_TYPE_VT ? MINT_LDRMFLD_VT : MINT_LDRMFLD);
2125 ADD_CODE(&td, get_data_item_index (&td, field));
2128 ADD_CODE (&td, MINT_POP);
2130 ADD_CODE (&td, mt == MINT_TYPE_VT ? MINT_LDSFLD_VT : MINT_LDSFLD);
2131 ADD_CODE (&td, get_data_item_index (&td, field));
2133 ADD_CODE (&td, MINT_LDFLD_I1 + mt - MINT_TYPE_I1);
2134 ADD_CODE (&td, klass->valuetype ? field->offset - sizeof(MonoObject) : field->offset);
2137 if (mt == MINT_TYPE_VT) {
2138 int size = mono_class_value_size (field_klass, NULL);
2140 WRITE32(&td, &size);
2142 if (td.sp [-1].type == STACK_TYPE_VT) {
2143 int size = mono_class_value_size (klass, NULL);
2144 size = (size + 7) & ~7;
2146 ADD_CODE (&td, MINT_VTRESULT);
2148 WRITE32 (&td, &size);
2151 SET_TYPE(td.sp - 1, stack_type [mt], field_klass);
2155 CHECK_STACK (&td, 2);
2156 token = read32 (td.ip + 1);
2157 field = interp_field_from_token (method, token, &klass, generic_context);
2158 gboolean is_static = !!(field->type->attrs & FIELD_ATTRIBUTE_STATIC);
2159 mono_class_init (klass);
2160 mt = mint_type(field->type);
2162 if (klass->marshalbyref) {
2163 g_assert (!is_static);
2164 ADD_CODE(&td, mt == MINT_TYPE_VT ? MINT_STRMFLD_VT : MINT_STRMFLD);
2165 ADD_CODE(&td, get_data_item_index (&td, field));
2168 ADD_CODE (&td, MINT_POP);
2170 ADD_CODE (&td, mt == MINT_TYPE_VT ? MINT_STSFLD_VT : MINT_STSFLD);
2171 ADD_CODE (&td, get_data_item_index (&td, field));
2173 ADD_CODE (&td, MINT_STFLD_I1 + mt - MINT_TYPE_I1);
2174 ADD_CODE (&td, klass->valuetype ? field->offset - sizeof(MonoObject) : field->offset);
2177 if (mt == MINT_TYPE_VT) {
2178 MonoClass *klass = mono_class_from_mono_type (field->type);
2179 int size = mono_class_value_size (klass, NULL);
2181 WRITE32(&td, &size);
2188 token = read32 (td.ip + 1);
2189 field = interp_field_from_token (method, token, &klass, generic_context);
2190 ADD_CODE(&td, MINT_LDSFLDA);
2191 ADD_CODE(&td, get_data_item_index (&td, field));
2193 PUSH_SIMPLE_TYPE(&td, STACK_TYPE_MP);
2196 token = read32 (td.ip + 1);
2197 field = interp_field_from_token (method, token, &klass, generic_context);
2198 mt = mint_type(field->type);
2199 ADD_CODE(&td, mt == MINT_TYPE_VT ? MINT_LDSFLD_VT : MINT_LDSFLD);
2200 ADD_CODE(&td, get_data_item_index (&td, field));
2202 if (mt == MINT_TYPE_VT) {
2203 MonoClass *klass = mono_class_from_mono_type (field->type);
2204 int size = mono_class_value_size (klass, NULL);
2206 WRITE32(&td, &size);
2207 klass = field->type->data.klass;
2209 if (mt == MINT_TYPE_O)
2210 klass = mono_class_from_mono_type (field->type);
2213 PUSH_TYPE(&td, stack_type [mt], klass);
2216 CHECK_STACK (&td, 1);
2217 token = read32 (td.ip + 1);
2218 field = interp_field_from_token (method, token, &klass, generic_context);
2219 mt = mint_type(field->type);
2220 ADD_CODE(&td, mt == MINT_TYPE_VT ? MINT_STSFLD_VT : MINT_STSFLD);
2221 ADD_CODE(&td, get_data_item_index (&td, field));
2222 if (mt == MINT_TYPE_VT) {
2223 MonoClass *klass = mono_class_from_mono_type (field->type);
2224 int size = mono_class_value_size (klass, NULL);
2226 WRITE32 (&td, &size);
2233 token = read32 (td.ip + 1);
2235 if (method->wrapper_type != MONO_WRAPPER_NONE)
2236 klass = (MonoClass *)mono_method_get_wrapper_data (method, token);
2238 klass = mini_get_class (method, token, generic_context);
2240 ADD_CODE(&td, td.sp [-1].type == STACK_TYPE_VT ? MINT_STOBJ_VT : MINT_STOBJ);
2241 ADD_CODE(&td, get_data_item_index (&td, klass));
2242 if (td.sp [-1].type == STACK_TYPE_VT) {
2243 size = mono_class_value_size (klass, NULL);
2244 size = (size + 7) & ~7;
2251 case CEE_CONV_OVF_I_UN:
2252 case CEE_CONV_OVF_U_UN:
2253 CHECK_STACK (&td, 1);
2254 switch (td.sp [-1].type) {
2256 #if SIZEOF_VOID_P == 8
2257 ADD_CODE(&td, MINT_CONV_OVF_I8_UN_R8);
2259 ADD_CODE(&td, MINT_CONV_OVF_I4_UN_R8);
2263 #if SIZEOF_VOID_P == 4
2264 ADD_CODE (&td, MINT_CONV_OVF_I4_UN_I8);
2268 #if SIZEOF_VOID_P == 8
2269 ADD_CODE(&td, MINT_CONV_I8_U4);
2270 #elif SIZEOF_VOID_P == 4
2271 if (*td.ip == CEE_CONV_OVF_I_UN)
2272 ADD_CODE(&td, MINT_CONV_OVF_I4_U4);
2276 g_assert_not_reached ();
2279 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I8);
2282 case CEE_CONV_OVF_I8_UN:
2283 case CEE_CONV_OVF_U8_UN:
2284 CHECK_STACK (&td, 1);
2285 switch (td.sp [-1].type) {
2287 ADD_CODE(&td, MINT_CONV_OVF_I8_UN_R8);
2290 if (*td.ip == CEE_CONV_OVF_I8_UN)
2291 ADD_CODE (&td, MINT_CONV_OVF_I8_U8);
2294 ADD_CODE(&td, MINT_CONV_I8_U4);
2297 g_assert_not_reached ();
2300 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I8);
2305 CHECK_STACK (&td, 1);
2306 token = read32 (td.ip + 1);
2307 if (method->wrapper_type != MONO_WRAPPER_NONE)
2308 klass = (MonoClass *)mono_method_get_wrapper_data (method, token);
2310 klass = mini_get_class (method, token, generic_context);
2312 if (mono_class_is_nullable (klass)) {
2313 MonoMethod *target_method = mono_class_get_method_from_name (klass, "Box", 1);
2314 /* td.ip is incremented by interp_transform_call */
2315 interp_transform_call (&td, method, target_method, domain, generic_context, is_bb_start, body_start_offset, NULL, FALSE);
2316 } else if (!klass->valuetype) {
2317 /* already boxed, do nothing. */
2320 if (mint_type (&klass->byval_arg) == MINT_TYPE_VT && !klass->enumtype) {
2321 size = mono_class_value_size (klass, NULL);
2322 size = (size + 7) & ~7;
2325 ADD_CODE(&td, MINT_BOX);
2326 ADD_CODE(&td, get_data_item_index (&td, klass));
2328 SET_TYPE(td.sp - 1, STACK_TYPE_O, klass);
2335 CHECK_STACK (&td, 1);
2336 token = read32 (td.ip + 1);
2338 if (method->wrapper_type != MONO_WRAPPER_NONE)
2339 klass = (MonoClass *)mono_method_get_wrapper_data (method, token);
2341 klass = mini_get_class (method, token, generic_context);
2343 unsigned char lentype = (td.sp - 1)->type;
2344 if (lentype == STACK_TYPE_I8) {
2345 /* mimic mini behaviour */
2346 ADD_CODE (&td, MINT_CONV_OVF_U4_I8);
2348 g_assert (lentype == STACK_TYPE_I4);
2349 ADD_CODE (&td, MINT_CONV_OVF_U4_I4);
2351 SET_SIMPLE_TYPE (td.sp - 1, STACK_TYPE_I4);
2352 ADD_CODE (&td, MINT_NEWARR);
2353 ADD_CODE (&td, get_data_item_index (&td, klass));
2354 SET_TYPE (td.sp - 1, STACK_TYPE_O, klass);
2359 CHECK_STACK (&td, 1);
2360 SIMPLE_OP (td, MINT_LDLEN);
2361 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I);
2364 CHECK_STACK (&td, 2);
2366 token = read32 (td.ip + 1);
2368 if (method->wrapper_type != MONO_WRAPPER_NONE)
2369 klass = (MonoClass *) mono_method_get_wrapper_data (method, token);
2371 klass = mini_get_class (method, token, generic_context);
2373 if (!klass->valuetype && method->wrapper_type == MONO_WRAPPER_NONE && !readonly) {
2374 ADD_CODE (&td, MINT_LDELEMA_TC);
2376 ADD_CODE (&td, MINT_LDELEMA);
2378 ADD_CODE (&td, get_data_item_index (&td, klass));
2379 /* according to spec, ldelema bytecode is only used for 1-dim arrays */
2385 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_MP);
2388 CHECK_STACK (&td, 2);
2390 SIMPLE_OP (td, MINT_LDELEM_I1);
2392 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2395 CHECK_STACK (&td, 2);
2397 SIMPLE_OP (td, MINT_LDELEM_U1);
2399 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2402 CHECK_STACK (&td, 2);
2404 SIMPLE_OP (td, MINT_LDELEM_I2);
2406 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2409 CHECK_STACK (&td, 2);
2411 SIMPLE_OP (td, MINT_LDELEM_U2);
2413 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2416 CHECK_STACK (&td, 2);
2418 SIMPLE_OP (td, MINT_LDELEM_I4);
2420 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2423 CHECK_STACK (&td, 2);
2425 SIMPLE_OP (td, MINT_LDELEM_U4);
2427 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2430 CHECK_STACK (&td, 2);
2432 SIMPLE_OP (td, MINT_LDELEM_I8);
2434 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I8);
2437 CHECK_STACK (&td, 2);
2439 SIMPLE_OP (td, MINT_LDELEM_I);
2441 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I);
2444 CHECK_STACK (&td, 2);
2446 SIMPLE_OP (td, MINT_LDELEM_R4);
2448 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_R8);
2451 CHECK_STACK (&td, 2);
2453 SIMPLE_OP (td, MINT_LDELEM_R8);
2455 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_R8);
2457 case CEE_LDELEM_REF:
2458 CHECK_STACK (&td, 2);
2460 SIMPLE_OP (td, MINT_LDELEM_REF);
2462 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_O);
2465 CHECK_STACK (&td, 2);
2466 token = read32 (td.ip + 1);
2467 klass = mini_get_class (method, token, generic_context);
2468 switch (mint_type (&klass->byval_arg)) {
2471 SIMPLE_OP (td, MINT_LDELEM_I1);
2473 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2477 SIMPLE_OP (td, MINT_LDELEM_U1);
2479 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2483 SIMPLE_OP (td, MINT_LDELEM_U2);
2485 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2489 SIMPLE_OP (td, MINT_LDELEM_I2);
2491 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2495 SIMPLE_OP (td, MINT_LDELEM_I4);
2497 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2501 SIMPLE_OP (td, MINT_LDELEM_I8);
2503 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I8);
2507 SIMPLE_OP (td, MINT_LDELEM_R4);
2509 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_R8);
2513 SIMPLE_OP (td, MINT_LDELEM_R8);
2515 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_R8);
2519 SIMPLE_OP (td, MINT_LDELEM_REF);
2521 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_O);
2523 case MINT_TYPE_VT: {
2524 int size = mono_class_value_size (klass, NULL);
2526 SIMPLE_OP (td, MINT_LDELEM_VT);
2527 ADD_CODE (&td, get_data_item_index (&td, klass));
2528 WRITE32 (&td, &size);
2530 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_VT);
2531 PUSH_VT (&td, size);
2535 GString *res = g_string_new ("");
2536 mono_type_get_desc (res, &klass->byval_arg, TRUE);
2537 g_print ("LDELEM: %s -> %d (%s)\n", klass->name, mint_type (&klass->byval_arg), res->str);
2538 g_string_free (res, TRUE);
2546 CHECK_STACK (&td, 3);
2548 SIMPLE_OP (td, MINT_STELEM_I);
2552 CHECK_STACK (&td, 3);
2554 SIMPLE_OP (td, MINT_STELEM_I1);
2558 CHECK_STACK (&td, 3);
2560 SIMPLE_OP (td, MINT_STELEM_I2);
2564 CHECK_STACK (&td, 3);
2566 SIMPLE_OP (td, MINT_STELEM_I4);
2570 CHECK_STACK (&td, 3);
2572 SIMPLE_OP (td, MINT_STELEM_I8);
2576 CHECK_STACK (&td, 3);
2578 SIMPLE_OP (td, MINT_STELEM_R4);
2582 CHECK_STACK (&td, 3);
2584 SIMPLE_OP (td, MINT_STELEM_R8);
2587 case CEE_STELEM_REF:
2588 CHECK_STACK (&td, 3);
2590 SIMPLE_OP (td, MINT_STELEM_REF);
2594 CHECK_STACK (&td, 3);
2596 token = read32 (td.ip + 1);
2597 klass = mini_get_class (method, token, generic_context);
2598 switch (mint_type (&klass->byval_arg)) {
2600 SIMPLE_OP (td, MINT_STELEM_U1);
2603 SIMPLE_OP (td, MINT_STELEM_U2);
2606 SIMPLE_OP (td, MINT_STELEM_I4);
2609 SIMPLE_OP (td, MINT_STELEM_I8);
2612 SIMPLE_OP (td, MINT_STELEM_REF);
2614 case MINT_TYPE_VT: {
2615 int size = mono_class_value_size (klass, NULL);
2616 SIMPLE_OP (td, MINT_STELEM_VT);
2617 ADD_CODE (&td, get_data_item_index (&td, klass));
2618 WRITE32 (&td, &size);
2623 GString *res = g_string_new ("");
2624 mono_type_get_desc (res, &klass->byval_arg, TRUE);
2625 g_print ("STELEM: %s -> %d (%s)\n", klass->name, mint_type (&klass->byval_arg), res->str);
2626 g_string_free (res, TRUE);
2635 case CEE_CONV_OVF_U1:
2637 case CEE_CONV_OVF_I8:
2639 #if SIZEOF_VOID_P == 8
2640 case CEE_CONV_OVF_U:
2644 CHECK_STACK (&td, 1);
2645 SIMPLE_OP (td, MINT_CKFINITE);
2648 CHECK_STACK (&td, 1);
2650 token = read32 (td.ip + 1);
2651 klass = mini_get_class (method, token, generic_context);
2653 ADD_CODE (&td, MINT_MKREFANY);
2654 ADD_CODE (&td, get_data_item_index (&td, klass));
2657 PUSH_VT (&td, sizeof (MonoTypedRef));
2658 SET_TYPE(td.sp - 1, STACK_TYPE_VT, mono_defaults.typed_reference_class);
2660 case CEE_REFANYVAL: {
2661 CHECK_STACK (&td, 1);
2663 token = read32 (td.ip + 1);
2665 ADD_CODE (&td, MINT_REFANYVAL);
2667 POP_VT (&td, sizeof (MonoTypedRef));
2668 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_MP);
2673 case CEE_CONV_OVF_I1:
2674 case CEE_CONV_OVF_I1_UN:
2675 CHECK_STACK (&td, 1);
2676 switch (td.sp [-1].type) {
2678 ADD_CODE(&td, MINT_CONV_OVF_I1_R8);
2681 ADD_CODE(&td, MINT_CONV_OVF_I1_I4);
2684 ADD_CODE(&td, MINT_CONV_OVF_I1_I8);
2687 g_assert_not_reached ();
2690 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2692 case CEE_CONV_OVF_U1:
2693 case CEE_CONV_OVF_U1_UN:
2694 CHECK_STACK (&td, 1);
2695 switch (td.sp [-1].type) {
2697 ADD_CODE(&td, MINT_CONV_OVF_U1_R8);
2700 ADD_CODE(&td, MINT_CONV_OVF_U1_I4);
2703 ADD_CODE(&td, MINT_CONV_OVF_U1_I8);
2706 g_assert_not_reached ();
2709 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2711 case CEE_CONV_OVF_I2:
2712 case CEE_CONV_OVF_I2_UN:
2713 CHECK_STACK (&td, 1);
2714 switch (td.sp [-1].type) {
2716 ADD_CODE(&td, MINT_CONV_OVF_I2_R8);
2719 ADD_CODE(&td, MINT_CONV_OVF_I2_I4);
2722 ADD_CODE(&td, MINT_CONV_OVF_I2_I8);
2725 g_assert_not_reached ();
2728 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2730 case CEE_CONV_OVF_U2_UN:
2731 case CEE_CONV_OVF_U2:
2732 CHECK_STACK (&td, 1);
2733 switch (td.sp [-1].type) {
2735 ADD_CODE(&td, MINT_CONV_OVF_U2_R8);
2738 ADD_CODE(&td, MINT_CONV_OVF_U2_I4);
2741 ADD_CODE(&td, MINT_CONV_OVF_U2_I8);
2744 g_assert_not_reached ();
2747 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2749 #if SIZEOF_VOID_P == 4
2750 case CEE_CONV_OVF_I:
2752 case CEE_CONV_OVF_I4:
2753 case CEE_CONV_OVF_I4_UN:
2754 CHECK_STACK (&td, 1);
2755 switch (td.sp [-1].type) {
2757 ADD_CODE(&td, MINT_CONV_OVF_I4_R8);
2760 if (*td.ip == CEE_CONV_OVF_I4_UN)
2761 ADD_CODE(&td, MINT_CONV_OVF_I4_U4);
2764 if (*td.ip == CEE_CONV_OVF_I4_UN)
2765 ADD_CODE (&td, MINT_CONV_OVF_I4_U8);
2767 ADD_CODE (&td, MINT_CONV_OVF_I4_I8);
2770 g_assert_not_reached ();
2773 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2775 #if SIZEOF_VOID_P == 4
2776 case CEE_CONV_OVF_U:
2778 case CEE_CONV_OVF_U4:
2779 case CEE_CONV_OVF_U4_UN:
2780 CHECK_STACK (&td, 1);
2781 switch (td.sp [-1].type) {
2783 ADD_CODE(&td, MINT_CONV_OVF_U4_R8);
2786 if (*td.ip != CEE_CONV_OVF_U4_UN)
2787 ADD_CODE(&td, MINT_CONV_OVF_U4_I4);
2790 ADD_CODE(&td, MINT_CONV_OVF_U4_I8);
2793 g_assert_not_reached ();
2796 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2798 #if SIZEOF_VOID_P == 8
2799 case CEE_CONV_OVF_I:
2801 case CEE_CONV_OVF_I8:
2802 CHECK_STACK (&td, 1);
2803 switch (td.sp [-1].type) {
2805 ADD_CODE(&td, MINT_CONV_OVF_I8_R8);
2808 ADD_CODE(&td, MINT_CONV_I8_I4);
2813 g_assert_not_reached ();
2816 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I8);
2818 #if SIZEOF_VOID_P == 8
2819 case CEE_CONV_OVF_U:
2821 case CEE_CONV_OVF_U8:
2822 CHECK_STACK (&td, 1);
2823 switch (td.sp [-1].type) {
2825 ADD_CODE(&td, MINT_CONV_OVF_U8_R8);
2828 ADD_CODE(&td, MINT_CONV_OVF_U8_I4);
2831 ADD_CODE (&td, MINT_CONV_OVF_U8_I8);
2834 g_assert_not_reached ();
2837 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I8);
2842 token = read32 (td.ip + 1);
2843 if (method->wrapper_type == MONO_WRAPPER_DYNAMIC_METHOD || method->wrapper_type == MONO_WRAPPER_SYNCHRONIZED) {
2844 handle = mono_method_get_wrapper_data (method, token);
2845 klass = (MonoClass *) mono_method_get_wrapper_data (method, token + 1);
2846 if (klass == mono_defaults.typehandle_class)
2847 handle = &((MonoClass *) handle)->byval_arg;
2849 if (generic_context) {
2850 handle = mono_class_inflate_generic_type_checked (handle, generic_context, &error);
2851 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
2854 handle = mono_ldtoken (image, token, &klass, generic_context);
2856 mono_class_init (klass);
2857 mt = mint_type (&klass->byval_arg);
2858 g_assert (mt == MINT_TYPE_VT);
2859 size = mono_class_value_size (klass, NULL);
2860 g_assert (size == sizeof(gpointer));
2861 PUSH_VT (&td, sizeof(gpointer));
2862 ADD_CODE (&td, MINT_LDTOKEN);
2863 ADD_CODE (&td, get_data_item_index (&td, handle));
2865 SET_TYPE (td.sp, stack_type [mt], klass);
2871 binary_arith_op(&td, MINT_ADD_OVF_I4);
2874 case CEE_ADD_OVF_UN:
2875 binary_arith_op(&td, MINT_ADD_OVF_UN_I4);
2879 binary_arith_op(&td, MINT_MUL_OVF_I4);
2882 case CEE_MUL_OVF_UN:
2883 binary_arith_op(&td, MINT_MUL_OVF_UN_I4);
2887 binary_arith_op(&td, MINT_SUB_OVF_I4);
2890 case CEE_SUB_OVF_UN:
2891 binary_arith_op(&td, MINT_SUB_OVF_UN_I4);
2894 case CEE_ENDFINALLY:
2895 g_assert (td.clause_indexes [in_offset] != -1);
2897 SIMPLE_OP (td, MINT_ENDFINALLY);
2898 ADD_CODE (&td, td.clause_indexes [in_offset]);
2899 generating_code = 0;
2903 handle_branch (&td, MINT_LEAVE_S, MINT_LEAVE, 5 + read32 (td.ip + 1));
2905 generating_code = 0;
2909 handle_branch (&td, MINT_LEAVE_S, MINT_LEAVE, 2 + (gint8)td.ip [1]);
2911 generating_code = 0;
2916 case CEE_MONO_CALLI_EXTRA_ARG:
2917 /* Same as CEE_CALLI, except that we drop the extra arg required for llvm specific behaviour */
2918 ADD_CODE (&td, MINT_POP);
2921 interp_transform_call (&td, method, NULL, domain, generic_context, is_bb_start, body_start_offset, NULL, FALSE);
2923 case CEE_MONO_JIT_ICALL_ADDR: {
2926 MonoJitICallInfo *info;
2928 token = read32 (td.ip + 1);
2930 func = mono_method_get_wrapper_data (method, token);
2931 info = mono_find_jit_icall_by_addr (func);
2933 ADD_CODE (&td, MINT_LDFTN);
2934 ADD_CODE (&td, get_data_item_index (&td, func));
2935 PUSH_SIMPLE_TYPE (&td, STACK_TYPE_I);
2938 case CEE_MONO_ICALL: {
2941 MonoJitICallInfo *info;
2943 token = read32 (td.ip + 1);
2945 func = mono_method_get_wrapper_data (method, token);
2946 info = mono_find_jit_icall_by_addr (func);
2949 CHECK_STACK (&td, info->sig->param_count);
2950 switch (info->sig->param_count) {
2952 if (MONO_TYPE_IS_VOID (info->sig->ret))
2953 ADD_CODE (&td,MINT_ICALL_V_V);
2955 ADD_CODE (&td, MINT_ICALL_V_P);
2958 if (MONO_TYPE_IS_VOID (info->sig->ret))
2959 ADD_CODE (&td,MINT_ICALL_P_V);
2961 ADD_CODE (&td,MINT_ICALL_P_P);
2964 if (MONO_TYPE_IS_VOID (info->sig->ret)) {
2965 if (info->sig->params [1]->type == MONO_TYPE_I4)
2966 ADD_CODE (&td,MINT_ICALL_PI_V);
2968 ADD_CODE (&td,MINT_ICALL_PP_V);
2970 if (info->sig->params [1]->type == MONO_TYPE_I4)
2971 ADD_CODE (&td,MINT_ICALL_PI_P);
2973 ADD_CODE (&td,MINT_ICALL_PP_P);
2977 g_assert (MONO_TYPE_IS_VOID (info->sig->ret));
2978 if (info->sig->params [2]->type == MONO_TYPE_I4)
2979 ADD_CODE (&td,MINT_ICALL_PPI_V);
2981 ADD_CODE (&td,MINT_ICALL_PPP_V);
2984 g_assert_not_reached ();
2987 if (func == mono_ftnptr_to_delegate) {
2988 g_error ("TODO: ?");
2990 ADD_CODE(&td, get_data_item_index (&td, func));
2991 td.sp -= info->sig->param_count;
2993 if (!MONO_TYPE_IS_VOID (info->sig->ret)) {
2995 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I);
2999 case CEE_MONO_VTADDR: {
3001 CHECK_STACK (&td, 1);
3002 if (method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE)
3003 size = mono_class_native_size(td.sp [-1].klass, NULL);
3005 size = mono_class_value_size(td.sp [-1].klass, NULL);
3006 size = (size + 7) & ~7;
3007 ADD_CODE(&td, MINT_VTRESULT);
3009 WRITE32(&td, &size);
3012 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_MP);
3015 case CEE_MONO_LDPTR:
3016 case CEE_MONO_CLASSCONST:
3017 token = read32 (td.ip + 1);
3019 ADD_CODE(&td, MINT_MONO_LDPTR);
3020 ADD_CODE(&td, get_data_item_index (&td, mono_method_get_wrapper_data (method, token)));
3021 td.sp [0].type = STACK_TYPE_I;
3024 case CEE_MONO_OBJADDR:
3025 CHECK_STACK (&td, 1);
3027 td.sp[-1].type = STACK_TYPE_MP;
3030 case CEE_MONO_NEWOBJ:
3031 token = read32 (td.ip + 1);
3033 ADD_CODE(&td, MINT_MONO_NEWOBJ);
3034 ADD_CODE(&td, get_data_item_index (&td, mono_method_get_wrapper_data (method, token)));
3035 td.sp [0].type = STACK_TYPE_O;
3038 case CEE_MONO_RETOBJ:
3039 CHECK_STACK (&td, 1);
3040 token = read32 (td.ip + 1);
3042 ADD_CODE(&td, MINT_MONO_RETOBJ);
3045 klass = (MonoClass *)mono_method_get_wrapper_data (method, token);
3047 /*stackval_from_data (signature->ret, frame->retval, sp->data.vt, signature->pinvoke);*/
3049 if (td.sp > td.stack)
3050 g_warning ("CEE_MONO_RETOBJ: more values on stack: %d", td.sp-td.stack);
3052 case CEE_MONO_LDNATIVEOBJ:
3053 token = read32 (td.ip + 1);
3055 klass = (MonoClass *)mono_method_get_wrapper_data (method, token);
3056 g_assert(klass->valuetype);
3057 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_MP);
3059 case CEE_MONO_TLS: {
3060 gint32 key = read32 (td.ip + 1);
3062 g_assert (key < TLS_KEY_NUM);
3063 ADD_CODE (&td, MINT_MONO_TLS);
3064 WRITE32 (&td, &key);
3065 PUSH_SIMPLE_TYPE (&td, STACK_TYPE_MP);
3068 case CEE_MONO_ATOMIC_STORE_I4:
3069 CHECK_STACK (&td, 2);
3070 SIMPLE_OP (td, MINT_MONO_ATOMIC_STORE_I4);
3074 case CEE_MONO_SAVE_LMF:
3075 case CEE_MONO_RESTORE_LMF:
3076 case CEE_MONO_NOT_TAKEN:
3079 case CEE_MONO_LDPTR_INT_REQ_FLAG:
3080 ADD_CODE (&td, MINT_MONO_LDPTR);
3081 ADD_CODE (&td, get_data_item_index (&td, mono_thread_interruption_request_flag ()));
3082 PUSH_TYPE (&td, STACK_TYPE_MP, NULL);
3085 case CEE_MONO_JIT_ATTACH:
3086 ADD_CODE (&td, MINT_MONO_JIT_ATTACH);
3089 case CEE_MONO_JIT_DETACH:
3090 ADD_CODE (&td, MINT_MONO_JIT_DETACH);
3094 g_error ("transform.c: Unimplemented opcode: 0xF0 %02x at 0x%x\n", *td.ip, td.ip-header->code);
3104 case CEE_PREFIXREF: ves_abort(); break;
3107 * Note: Exceptions thrown when executing a prefixed opcode need
3108 * to take into account the number of prefix bytes (usually the
3109 * throw point is just (ip - n_prefix_bytes).
3115 case CEE_ARGLIST: ves_abort(); break;
3118 CHECK_STACK(&td, 2);
3119 if (td.sp [-1].type == STACK_TYPE_O || td.sp [-1].type == STACK_TYPE_MP)
3120 ADD_CODE(&td, MINT_CEQ_I4 + STACK_TYPE_I - STACK_TYPE_I4);
3122 ADD_CODE(&td, MINT_CEQ_I4 + td.sp [-1].type - STACK_TYPE_I4);
3124 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
3128 CHECK_STACK(&td, 2);
3129 if (td.sp [-1].type == STACK_TYPE_O || td.sp [-1].type == STACK_TYPE_MP)
3130 ADD_CODE(&td, MINT_CGT_I4 + STACK_TYPE_I - STACK_TYPE_I4);
3132 ADD_CODE(&td, MINT_CGT_I4 + td.sp [-1].type - STACK_TYPE_I4);
3134 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
3138 CHECK_STACK(&td, 2);
3139 if (td.sp [-1].type == STACK_TYPE_O || td.sp [-1].type == STACK_TYPE_MP)
3140 ADD_CODE(&td, MINT_CGT_UN_I4 + STACK_TYPE_I - STACK_TYPE_I4);
3142 ADD_CODE(&td, MINT_CGT_UN_I4 + td.sp [-1].type - STACK_TYPE_I4);
3144 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
3148 CHECK_STACK(&td, 2);
3149 if (td.sp [-1].type == STACK_TYPE_O || td.sp [-1].type == STACK_TYPE_MP)
3150 ADD_CODE(&td, MINT_CLT_I4 + STACK_TYPE_I - STACK_TYPE_I4);
3152 ADD_CODE(&td, MINT_CLT_I4 + td.sp [-1].type - STACK_TYPE_I4);
3154 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
3158 CHECK_STACK(&td, 2);
3159 if (td.sp [-1].type == STACK_TYPE_O || td.sp [-1].type == STACK_TYPE_MP)
3160 ADD_CODE(&td, MINT_CLT_UN_I4 + STACK_TYPE_I - STACK_TYPE_I4);
3162 ADD_CODE(&td, MINT_CLT_UN_I4 + td.sp [-1].type - STACK_TYPE_I4);
3164 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
3167 case CEE_LDVIRTFTN: /* fallthrough */
3170 if (*td.ip == CEE_LDVIRTFTN) {
3171 CHECK_STACK (&td, 1);
3174 token = read32 (td.ip + 1);
3175 if (method->wrapper_type != MONO_WRAPPER_NONE)
3176 m = (MonoMethod *)mono_method_get_wrapper_data (method, token);
3178 m = mono_get_method_full (image, token, NULL, generic_context);
3180 if (method->wrapper_type == MONO_WRAPPER_NONE && m->iflags & METHOD_IMPL_ATTRIBUTE_SYNCHRONIZED)
3181 m = mono_marshal_get_synchronized_wrapper (m);
3183 ADD_CODE(&td, *td.ip == CEE_LDFTN ? MINT_LDFTN : MINT_LDVIRTFTN);
3184 ADD_CODE(&td, get_data_item_index (&td, mono_interp_get_runtime_method (domain, m, &error)));
3185 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
3187 PUSH_SIMPLE_TYPE (&td, STACK_TYPE_F);
3191 load_arg (&td, read16 (td.ip + 1));
3195 int n = read16 (td.ip + 1);
3196 ADD_CODE (&td, MINT_LDARGA);
3197 ADD_CODE (&td, td.rtm->arg_offsets [n]); /* FIX for large offsets */
3198 PUSH_SIMPLE_TYPE(&td, STACK_TYPE_MP);
3203 store_arg (&td, read16 (td.ip + 1));
3207 load_local (&td, read16 (td.ip + 1));
3211 ADD_CODE(&td, MINT_LDLOCA_S);
3212 ADD_CODE(&td, td.rtm->local_offsets [read16 (td.ip + 1)]);
3213 PUSH_SIMPLE_TYPE(&td, STACK_TYPE_MP);
3217 store_local (&td, read16 (td.ip + 1));
3221 CHECK_STACK (&td, 1);
3222 #if SIZEOF_VOID_P == 8
3223 if (td.sp [-1].type == STACK_TYPE_I8)
3224 ADD_CODE(&td, MINT_CONV_I4_I8);
3226 ADD_CODE(&td, MINT_LOCALLOC);
3227 if (td.sp != td.stack + 1)
3228 g_warning("CEE_LOCALLOC: stack not empty");
3230 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_MP);
3233 case CEE_UNUSED57: ves_abort(); break;
3236 ADD_CODE (&td, MINT_ENDFILTER);
3239 case CEE_UNALIGNED_:
3244 /* FIX: should do something? */;
3248 /* FIX: should do something? */;
3251 CHECK_STACK(&td, 1);
3252 token = read32 (td.ip + 1);
3253 klass = mini_get_class (method, token, generic_context);
3254 if (klass->valuetype) {
3255 ADD_CODE (&td, MINT_INITOBJ);
3256 i32 = mono_class_value_size (klass, NULL);
3257 WRITE32 (&td, &i32);
3259 ADD_CODE (&td, MINT_LDNULL);
3260 ADD_CODE (&td, MINT_STIND_REF);
3266 CHECK_STACK(&td, 3);
3267 /* FIX? convert length to I8? */
3268 ADD_CODE(&td, MINT_CPBLK);
3276 case CEE_CONSTRAINED_:
3277 token = read32 (td.ip + 1);
3278 constrained_class = mini_get_class (method, token, generic_context);
3279 mono_class_init (constrained_class);
3283 CHECK_STACK(&td, 3);
3284 ADD_CODE(&td, MINT_INITBLK);
3290 /* FIXME: implement */
3295 SIMPLE_OP (td, MINT_RETHROW);
3296 generating_code = 0;
3300 token = read32 (td.ip + 1);
3302 if (mono_metadata_token_table (token) == MONO_TABLE_TYPESPEC && !image_is_dynamic (method->klass->image) && !generic_context) {
3304 MonoType *type = mono_type_create_from_typespec (image, token);
3305 size = mono_type_size (type, &align);
3308 MonoClass *szclass = mini_get_class (method, token, generic_context);
3309 mono_class_init (szclass);
3311 if (!szclass->valuetype)
3312 THROW_EX (mono_exception_from_name (mono_defaults.corlib, "System", "InvalidProgramException"), ip - 5);
3314 size = mono_type_size (&szclass->byval_arg, &align);
3316 ADD_CODE(&td, MINT_LDC_I4);
3317 WRITE32(&td, &size);
3318 PUSH_SIMPLE_TYPE(&td, STACK_TYPE_I4);
3321 case CEE_REFANYTYPE:
3322 ADD_CODE (&td, MINT_REFANYTYPE);
3324 POP_VT (&td, sizeof (MonoTypedRef));
3325 PUSH_VT (&td, sizeof (gpointer));
3326 SET_TYPE(td.sp - 1, STACK_TYPE_VT, NULL);
3329 g_error ("transform.c: Unimplemented opcode: 0xFE %02x (%s) at 0x%x\n", *td.ip, mono_opcode_name (256 + *td.ip), td.ip-header->code);
3333 g_error ("transform.c: Unimplemented opcode: %02x at 0x%x\n", *td.ip, td.ip-header->code);
3336 if (td.new_ip - td.new_code != new_in_start_offset)
3337 td.last_new_ip = td.new_code + new_in_start_offset;
3338 else if (td.is_bb_start [td.in_start - td.il_code])
3339 td.is_bb_start [td.ip - td.il_code] = 1;
3341 td.last_ip = td.in_start;
3344 if (mono_interp_traceopt) {
3345 const guint16 *p = td.new_code;
3346 printf("Runtime method: %p, VT stack size: %d\n", rtm, td.max_vt_sp);
3347 printf("Calculated stack size: %d, stated size: %d\n", td.max_stack_height, header->max_stack);
3348 while (p < td.new_ip) {
3349 p = mono_interp_dis_mintop(td.new_code, p);
3353 g_assert (td.max_stack_height <= (header->max_stack + 1));
3355 int code_len = td.new_ip - td.new_code;
3357 rtm->clauses = mono_domain_alloc0 (domain, header->num_clauses * sizeof (MonoExceptionClause));
3358 memcpy (rtm->clauses, header->clauses, header->num_clauses * sizeof(MonoExceptionClause));
3359 rtm->code = mono_domain_alloc0 (domain, (td.new_ip - td.new_code) * sizeof (gushort));
3360 memcpy (rtm->code, td.new_code, (td.new_ip - td.new_code) * sizeof(gushort));
3361 g_free (td.new_code);
3362 rtm->new_body_start = rtm->code + body_start_offset;
3363 rtm->num_clauses = header->num_clauses;
3364 for (i = 0; i < header->num_clauses; i++) {
3365 MonoExceptionClause *c = rtm->clauses + i;
3366 int end_off = c->try_offset + c->try_len;
3367 c->try_offset = td.in_offsets [c->try_offset];
3368 c->try_len = td.in_offsets [end_off] - c->try_offset;
3369 end_off = c->handler_offset + c->handler_len;
3370 c->handler_offset = td.in_offsets [c->handler_offset];
3371 c->handler_len = td.in_offsets [end_off] - c->handler_offset;
3372 if (c->flags & MONO_EXCEPTION_CLAUSE_FILTER)
3373 c->data.filter_offset = td.in_offsets [c->data.filter_offset];
3375 rtm->vt_stack_size = td.max_vt_sp;
3376 rtm->alloca_size = rtm->locals_size + rtm->args_size + rtm->vt_stack_size + rtm->stack_size;
3377 rtm->data_items = mono_domain_alloc0 (domain, td.n_data_items * sizeof (td.data_items [0]));
3378 memcpy (rtm->data_items, td.data_items, td.n_data_items * sizeof (td.data_items [0]));
3380 /* Save debug info */
3381 interp_save_debug_info (rtm, header, &td, line_numbers);
3383 /* Create a MonoJitInfo for the interpreted method by creating the interpreter IR as the native code. */
3384 int jinfo_len = mono_jit_info_size (0, header->num_clauses, 0);
3385 MonoJitInfo *jinfo = (MonoJitInfo *)mono_domain_alloc0 (domain, jinfo_len);
3387 mono_jit_info_init (jinfo, method, (guint8*)rtm->code, code_len, 0, header->num_clauses, 0);
3388 for (i = 0; i < jinfo->num_clauses; ++i) {
3389 MonoJitExceptionInfo *ei = &jinfo->clauses [i];
3390 MonoExceptionClause *c = rtm->clauses + i;
3392 ei->flags = c->flags;
3393 ei->try_start = rtm->code + c->try_offset;
3394 ei->try_end = rtm->code + c->try_offset + c->try_len;
3395 ei->handler_start = rtm->code + c->handler_offset;
3396 if (ei->flags == MONO_EXCEPTION_CLAUSE_FILTER || ei->flags == MONO_EXCEPTION_CLAUSE_FINALLY) {
3398 ei->data.catch_class = c->data.catch_class;
3402 g_free (td.in_offsets);
3403 g_free (td.forward_refs);
3404 for (i = 0; i < header->code_size; ++i)
3405 g_free (td.stack_state [i]);
3406 g_free (td.stack_state);
3407 g_free (td.stack_height);
3408 g_free (td.vt_stack_size);
3409 g_free (td.data_items);
3411 g_hash_table_destroy (td.data_hash);
3412 g_free (td.clause_indexes);
3413 g_array_free (line_numbers, TRUE);
3416 static mono_mutex_t calc_section;
3419 mono_interp_transform_init (void)
3421 mono_os_mutex_init_recursive(&calc_section);
3425 mono_interp_transform_method (RuntimeMethod *runtime_method, ThreadContext *context)
3427 int i, align, size, offset;
3428 MonoMethod *method = runtime_method->method;
3429 MonoImage *image = method->klass->image;
3430 MonoMethodHeader *header = mono_method_get_header (method);
3431 MonoMethodSignature *signature = mono_method_signature (method);
3432 register const unsigned char *ip, *end;
3433 const MonoOpcode *opcode;
3436 MonoDomain *domain = mono_domain_get ();
3437 unsigned char *is_bb_start;
3439 MonoVTable *method_class_vt;
3441 MonoGenericContext *generic_context = NULL;
3443 // g_printerr ("TRANSFORM(0x%016lx): begin %s::%s\n", mono_thread_current (), method->klass->name, method->name);
3444 method_class_vt = mono_class_vtable (domain, runtime_method->method->klass);
3445 if (!method_class_vt->initialized) {
3448 MonoInvocation *last_env_frame = context->env_frame;
3449 jmp_buf *old_env = context->current_env;
3450 error_init (&error);
3453 MonoException *failed = context->env_frame->ex;
3454 context->env_frame->ex = NULL;
3455 context->env_frame = last_env_frame;
3456 context->current_env = old_env;
3459 context->env_frame = context->current_frame;
3460 context->current_env = &env;
3461 mono_runtime_class_init_full (method_class_vt, &error);
3462 if (!mono_error_ok (&error)) {
3463 return mono_error_convert_to_exception (&error);
3465 context->env_frame = last_env_frame;
3466 context->current_env = old_env;
3469 mono_profiler_method_jit (method); /* sort of... */
3471 if (mono_method_signature (method)->is_inflated)
3472 generic_context = mono_method_get_context (method);
3474 MonoGenericContainer *generic_container = mono_method_get_generic_container (method);
3475 if (generic_container)
3476 generic_context = &generic_container->context;
3479 if (method->iflags & (METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL | METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
3480 MonoMethod *nm = NULL;
3481 mono_os_mutex_lock(&calc_section);
3482 if (runtime_method->transformed) {
3483 mono_os_mutex_unlock(&calc_section);
3484 mono_profiler_method_end_jit (method, NULL, MONO_PROFILE_OK);
3488 /* assumes all internal calls with an array this are built in... */
3489 if (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL && (! mono_method_signature (method)->hasthis || method->klass->rank == 0)) {
3490 nm = mono_marshal_get_native_wrapper (method, TRUE, FALSE);
3491 signature = mono_method_signature (nm);
3493 const char *name = method->name;
3494 if (method->klass->parent == mono_defaults.multicastdelegate_class) {
3495 if (*name == '.' && (strcmp (name, ".ctor") == 0)) {
3496 MonoJitICallInfo *mi = mono_find_jit_icall_by_name ("ves_icall_mono_delegate_ctor");
3498 char *wrapper_name = g_strdup_printf ("__icall_wrapper_%s", mi->name);
3499 nm = mono_marshal_get_icall_wrapper (mi->sig, wrapper_name, mi->func, TRUE);
3500 } else if (*name == 'I' && (strcmp (name, "Invoke") == 0)) {
3501 nm = mono_marshal_get_delegate_invoke (method, NULL);
3502 } else if (*name == 'B' && (strcmp (name, "BeginInvoke") == 0)) {
3503 nm = mono_marshal_get_delegate_begin_invoke (method);
3504 } else if (*name == 'E' && (strcmp (name, "EndInvoke") == 0)) {
3505 nm = mono_marshal_get_delegate_end_invoke (method);
3509 runtime_method->code = g_malloc(sizeof(short));
3510 runtime_method->code[0] = MINT_CALLRUN;
3514 runtime_method->stack_size = sizeof (stackval); /* for tracing */
3515 runtime_method->alloca_size = runtime_method->stack_size;
3516 runtime_method->transformed = TRUE;
3517 mono_os_mutex_unlock(&calc_section);
3518 mono_profiler_method_end_jit (method, NULL, MONO_PROFILE_OK);
3522 header = mono_method_get_header (nm);
3523 mono_os_mutex_unlock(&calc_section);
3524 } else if (method->klass == mono_defaults.array_class) {
3525 if (!strcmp (method->name, "UnsafeMov") || !strcmp (method->name, "UnsafeLoad")) {
3526 mono_os_mutex_lock (&calc_section);
3527 if (!runtime_method->transformed) {
3528 runtime_method->code = g_malloc (sizeof (short));
3529 runtime_method->code[0] = MINT_CALLRUN;
3530 runtime_method->stack_size = sizeof (stackval); /* for tracing */
3531 runtime_method->alloca_size = runtime_method->stack_size;
3532 runtime_method->transformed = TRUE;
3534 mono_os_mutex_unlock(&calc_section);
3535 mono_profiler_method_end_jit (method, NULL, MONO_PROFILE_OK);
3537 } else if (!strcmp (method->name, "UnsafeStore")) {
3541 g_assert ((signature->param_count + signature->hasthis) < 1000);
3542 g_assert (header->max_stack < 10000);
3543 /* intern the strings in the method. */
3545 end = ip + header->code_size;
3547 is_bb_start = g_malloc0(header->code_size);
3548 is_bb_start [0] = 1;
3555 else if (in == 0xf0) {
3557 in = *ip + MONO_CEE_MONO_ICALL;
3559 opcode = &mono_opcodes [in];
3560 switch (opcode->argument) {
3561 case MonoInlineNone:
3564 case MonoInlineString:
3565 if (method->wrapper_type == MONO_WRAPPER_NONE)
3566 mono_ldstr (domain, image, mono_metadata_token_index (read32 (ip + 1)));
3569 case MonoInlineType:
3570 if (method->wrapper_type == MONO_WRAPPER_NONE) {
3571 class = mini_get_class (method, read32 (ip + 1), generic_context);
3572 mono_class_init (class);
3573 /* quick fix to not do this for the fake ptr classes - probably should not be getting the vtable at all here */
3575 g_error ("FIXME: interface method lookup: %s (in method %s)", class->name, method->name);
3576 if (!(class->flags & TYPE_ATTRIBUTE_INTERFACE) && class->interface_offsets != NULL)
3577 mono_class_vtable (domain, class);
3582 case MonoInlineMethod:
3583 if (method->wrapper_type == MONO_WRAPPER_NONE && *ip != CEE_CALLI) {
3584 m = mono_get_method_full (image, read32 (ip + 1), NULL, generic_context);
3586 g_free (is_bb_start);
3587 g_error ("FIXME: where to get method and class string?");
3589 // return mono_get_exception_missing_method ();
3591 mono_class_init (m->klass);
3592 if (!mono_class_is_interface (m->klass))
3593 mono_class_vtable (domain, m->klass);
3597 case MonoInlineField:
3601 case MonoShortInlineR:
3604 case MonoInlineBrTarget:
3605 offset = read32 (ip + 1);
3607 backwards = offset < 0;
3608 offset += ip - header->code;
3609 g_assert (offset >= 0 && offset < header->code_size);
3610 is_bb_start [offset] |= backwards ? 2 : 1;
3612 case MonoShortInlineBrTarget:
3613 offset = ((gint8 *)ip) [1];
3615 backwards = offset < 0;
3616 offset += ip - header->code;
3617 g_assert (offset >= 0 && offset < header->code_size);
3618 is_bb_start [offset] |= backwards ? 2 : 1;
3623 case MonoShortInlineVar:
3624 case MonoShortInlineI:
3627 case MonoInlineSwitch: {
3629 const unsigned char *next_ip;
3633 next_ip = ip + 4 * n;
3634 for (i = 0; i < n; i++) {
3635 offset = read32 (ip);
3636 backwards = offset < 0;
3637 offset += next_ip - header->code;
3638 g_assert (offset >= 0 && offset < header->code_size);
3639 is_bb_start [offset] |= backwards ? 2 : 1;
3649 g_assert_not_reached ();
3652 // g_printerr ("TRANSFORM(0x%016lx): end %s::%s\n", mono_thread_current (), method->klass->name, method->name);
3654 /* the rest needs to be locked so it is only done once */
3655 mono_os_mutex_lock(&calc_section);
3656 if (runtime_method->transformed) {
3657 mono_os_mutex_unlock(&calc_section);
3658 g_free (is_bb_start);
3659 mono_profiler_method_end_jit (method, NULL, MONO_PROFILE_OK);
3663 runtime_method->local_offsets = g_malloc (header->num_locals * sizeof(guint32));
3664 runtime_method->stack_size = (sizeof (stackval)) * (header->max_stack + 2); /* + 1 for returns of called functions + 1 for 0-ing in trace*/
3665 runtime_method->stack_size = (runtime_method->stack_size + 7) & ~7;
3667 for (i = 0; i < header->num_locals; ++i) {
3668 size = mono_type_size (header->locals [i], &align);
3669 offset += align - 1;
3670 offset &= ~(align - 1);
3671 runtime_method->local_offsets [i] = offset;
3674 offset = (offset + 7) & ~7;
3675 runtime_method->locals_size = offset;
3676 g_assert (runtime_method->locals_size < 65536);
3678 runtime_method->arg_offsets = g_malloc ((!!signature->hasthis + signature->param_count) * sizeof(guint32));
3680 if (signature->hasthis) {
3681 g_assert (!signature->pinvoke);
3682 size = mono_type_stack_size (&method->klass->byval_arg, &align);
3683 offset += align - 1;
3684 offset &= ~(align - 1);
3685 runtime_method->arg_offsets [0] = offset;
3689 for (i = 0; i < signature->param_count; ++i) {
3690 if (signature->pinvoke) {
3692 size = mono_type_native_stack_size (signature->params [i], &dummy);
3696 size = mono_type_stack_size (signature->params [i], &align);
3697 offset += align - 1;
3698 offset &= ~(align - 1);
3699 runtime_method->arg_offsets [i + !!signature->hasthis] = offset;
3702 offset = (offset + 7) & ~7;
3703 runtime_method->args_size = offset;
3704 g_assert (runtime_method->args_size < 10000);
3706 generate (method, runtime_method, is_bb_start, generic_context);
3708 g_free (is_bb_start);
3710 mono_profiler_method_end_jit (method, NULL, MONO_PROFILE_OK);
3711 runtime_method->transformed = TRUE;
3712 mono_os_mutex_unlock(&calc_section);