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>
18 #include <mono/metadata/seq-points-data.h>
20 #include <mono/mini/mini.h>
23 #include "interp-internals.h"
26 // TODO: export from marshal.c
27 MonoDelegate* mono_ftnptr_to_delegate (MonoClass *klass, gpointer ftn);
42 SeqPoint *last_seq_point;
44 // This will hold a list of last sequence points of incoming basic blocks
45 SeqPoint **pred_seq_points;
46 guint num_pred_seq_points;
57 /* In the interpreter IR */
66 MonoMethodHeader *header;
68 const unsigned char *il_code;
69 const unsigned char *ip;
70 const unsigned char *last_ip;
71 const unsigned char *in_start;
74 StackInfo **stack_state;
77 unsigned char *is_bb_start;
78 unsigned short *new_code;
79 unsigned short *new_code_end;
80 unsigned short *new_ip;
81 unsigned short *last_new_ip;
82 unsigned int max_code_size;
85 unsigned int max_stack_height;
87 unsigned int max_vt_sp;
91 GHashTable *data_hash;
93 gboolean gen_sdb_seq_points;
94 GPtrArray *seq_points;
95 InterpBasicBlock **offset_to_bb;
96 InterpBasicBlock *entry_bb;
100 gboolean verbose_level;
103 #define MINT_TYPE_I1 0
104 #define MINT_TYPE_U1 1
105 #define MINT_TYPE_I2 2
106 #define MINT_TYPE_U2 3
107 #define MINT_TYPE_I4 4
108 #define MINT_TYPE_I8 5
109 #define MINT_TYPE_R4 6
110 #define MINT_TYPE_R8 7
111 #define MINT_TYPE_O 8
112 #define MINT_TYPE_P 9
113 #define MINT_TYPE_VT 10
115 #define STACK_TYPE_I4 0
116 #define STACK_TYPE_I8 1
117 #define STACK_TYPE_R8 2
118 #define STACK_TYPE_O 3
119 #define STACK_TYPE_VT 4
120 #define STACK_TYPE_MP 5
121 #define STACK_TYPE_F 6
123 static const char *stack_type_string [] = { "I4", "I8", "R8", "O ", "VT", "MP", "F " };
125 #if SIZEOF_VOID_P == 8
126 #define STACK_TYPE_I STACK_TYPE_I8
128 #define STACK_TYPE_I STACK_TYPE_I4
131 static int stack_type [] = {
132 STACK_TYPE_I4, /*I1*/
133 STACK_TYPE_I4, /*U1*/
134 STACK_TYPE_I4, /*I2*/
135 STACK_TYPE_I4, /*U2*/
136 STACK_TYPE_I4, /*I4*/
137 STACK_TYPE_I8, /*I8*/
138 STACK_TYPE_R8, /*R4*/
139 STACK_TYPE_R8, /*R8*/
146 grow_code (TransformData *td)
148 unsigned int old_ip_offset = td->new_ip - td->new_code;
149 unsigned int old_last_ip_offset = td->last_new_ip - td->new_code;
150 g_assert (old_ip_offset <= td->max_code_size);
151 td->new_code = g_realloc (td->new_code, (td->max_code_size *= 2) * sizeof (td->new_code [0]));
152 td->new_code_end = td->new_code + td->max_code_size;
153 td->new_ip = td->new_code + old_ip_offset;
154 td->last_new_ip = td->new_code + old_last_ip_offset;
157 #define ENSURE_CODE(td, n) \
159 if ((td)->new_ip + (n) > (td)->new_code_end) \
163 #define ADD_CODE(td, n) \
165 if ((td)->new_ip == (td)->new_code_end) \
167 *(td)->new_ip++ = (n); \
170 #define CHECK_STACK(td, n) \
172 int stack_size = (td)->sp - (td)->stack; \
173 if (stack_size < (n)) \
174 g_warning ("%s.%s: not enough values (%d < %d) on stack at %04x", \
175 (td)->method->klass->name, (td)->method->name, \
176 stack_size, n, (td)->ip - (td)->il_code); \
179 #define ENSURE_I4(td, sp_off) \
181 if ((td)->sp [-sp_off].type == STACK_TYPE_I8) \
182 ADD_CODE(td, sp_off == 1 ? MINT_CONV_I4_I8 : MINT_CONV_I4_I8_SP); \
186 handle_branch (TransformData *td, int short_op, int long_op, int offset)
188 int shorten_branch = 0;
189 int target = td->ip + offset - td->il_code;
190 if (target < 0 || target >= td->code_size)
191 g_assert_not_reached ();
192 if (offset > 0 && td->stack_height [target] < 0) {
193 td->stack_height [target] = td->sp - td->stack;
194 if (td->stack_height [target] > 0)
195 td->stack_state [target] = g_memdup (td->stack, td->stack_height [target] * sizeof (td->stack [0]));
196 td->vt_stack_size [target] = td->vt_sp;
199 offset = td->in_offsets [target] - (td->new_ip - td->new_code);
200 if (offset >= -32768) {
204 if (td->header->code_size <= 25000) /* FIX to be precise somehow? */
207 Reloc *reloc = mono_mempool_alloc0 (td->mempool, sizeof (Reloc));
208 if (shorten_branch) {
210 reloc->type = RELOC_SHORT_BRANCH;
213 reloc->type = RELOC_LONG_BRANCH;
215 reloc->offset = td->new_ip - td->new_code;
216 reloc->target = target;
217 g_ptr_array_add (td->relocs, reloc);
219 if (shorten_branch) {
220 ADD_CODE(td, short_op);
221 ADD_CODE(td, offset);
223 ADD_CODE(td, long_op);
224 ADD_CODE(td, * (unsigned short *)(&offset));
225 ADD_CODE(td, * ((unsigned short *)&offset + 1));
230 one_arg_branch(TransformData *td, int mint_op, int offset)
232 int type = td->sp [-1].type == STACK_TYPE_O || td->sp [-1].type == STACK_TYPE_MP ? STACK_TYPE_I : td->sp [-1].type;
233 int long_op = mint_op + type - STACK_TYPE_I4;
234 int short_op = long_op + MINT_BRFALSE_I4_S - MINT_BRFALSE_I4;
237 handle_branch (td, short_op, long_op, offset);
241 two_arg_branch(TransformData *td, int mint_op, int offset)
243 int type1 = td->sp [-1].type == STACK_TYPE_O || td->sp [-1].type == STACK_TYPE_MP ? STACK_TYPE_I : td->sp [-1].type;
244 int type2 = td->sp [-2].type == STACK_TYPE_O || td->sp [-2].type == STACK_TYPE_MP ? STACK_TYPE_I : td->sp [-2].type;
245 int long_op = mint_op + type1 - STACK_TYPE_I4;
246 int short_op = long_op + MINT_BEQ_I4_S - MINT_BEQ_I4;
248 if (type1 == STACK_TYPE_I4 && type2 == STACK_TYPE_I8) {
249 ADD_CODE(td, MINT_CONV_I8_I4);
250 td->in_offsets [td->ip - td->il_code]++;
251 } else if (type1 == STACK_TYPE_I8 && type2 == STACK_TYPE_I4) {
252 ADD_CODE(td, MINT_CONV_I8_I4_SP);
253 td->in_offsets [td->ip - td->il_code]++;
254 } else if (type1 != type2) {
255 g_warning("%s.%s: branch type mismatch %d %d",
256 td->method->klass->name, td->method->name,
257 td->sp [-1].type, td->sp [-2].type);
260 handle_branch (td, short_op, long_op, offset);
264 unary_arith_op(TransformData *td, int mint_op)
266 int op = mint_op + td->sp [-1].type - STACK_TYPE_I4;
272 binary_arith_op(TransformData *td, int mint_op)
274 int type1 = td->sp [-2].type;
275 int type2 = td->sp [-1].type;
277 #if SIZEOF_VOID_P == 8
278 if ((type1 == STACK_TYPE_MP || type1 == STACK_TYPE_I8) && type2 == STACK_TYPE_I4) {
279 ADD_CODE(td, MINT_CONV_I8_I4);
280 type2 = STACK_TYPE_I8;
282 if (type1 == STACK_TYPE_I4 && (type2 == STACK_TYPE_MP || type2 == STACK_TYPE_I8)) {
283 ADD_CODE(td, MINT_CONV_I8_I4_SP);
284 type1 = STACK_TYPE_I8;
285 td->sp [-2].type = STACK_TYPE_I8;
288 if (type1 == STACK_TYPE_MP)
289 type1 = STACK_TYPE_I;
290 if (type2 == STACK_TYPE_MP)
291 type2 = STACK_TYPE_I;
292 if (type1 != type2) {
293 g_warning("%s.%s: %04x arith type mismatch %s %d %d",
294 td->method->klass->name, td->method->name,
295 td->ip - td->il_code, mono_interp_opname[mint_op], type1, type2);
297 op = mint_op + type1 - STACK_TYPE_I4;
304 shift_op(TransformData *td, int mint_op)
306 int op = mint_op + td->sp [-2].type - STACK_TYPE_I4;
308 if (td->sp [-1].type != STACK_TYPE_I4) {
309 g_warning("%s.%s: shift type mismatch %d",
310 td->method->klass->name, td->method->name,
318 mint_type(MonoType *type)
323 switch (type->type) {
327 case MONO_TYPE_BOOLEAN:
339 #if SIZEOF_VOID_P == 4
353 case MONO_TYPE_STRING:
354 case MONO_TYPE_SZARRAY:
355 case MONO_TYPE_CLASS:
356 case MONO_TYPE_OBJECT:
357 case MONO_TYPE_ARRAY:
359 case MONO_TYPE_VALUETYPE:
360 if (type->data.klass->enumtype) {
361 type = mono_class_enum_basetype (type->data.klass);
365 case MONO_TYPE_TYPEDBYREF:
367 case MONO_TYPE_GENERICINST:
368 type = &type->data.generic_class->container_class->byval_arg;
371 g_warning ("got type 0x%02x", type->type);
372 g_assert_not_reached ();
378 can_store (int stack_type, int var_type)
380 if (stack_type == STACK_TYPE_O || stack_type == STACK_TYPE_MP)
381 stack_type = STACK_TYPE_I;
382 if (var_type == STACK_TYPE_O || var_type == STACK_TYPE_MP)
383 var_type = STACK_TYPE_I;
384 return stack_type == var_type;
387 #define SET_SIMPLE_TYPE(s, ty) \
394 #define SET_TYPE(s, ty, k) \
401 #define PUSH_SIMPLE_TYPE(td, ty) \
405 sp_height = (td)->sp - (td)->stack; \
406 if (sp_height > (td)->max_stack_height) \
407 (td)->max_stack_height = sp_height; \
408 SET_SIMPLE_TYPE((td)->sp - 1, ty); \
411 #define PUSH_TYPE(td, ty, k) \
415 sp_height = (td)->sp - (td)->stack; \
416 if (sp_height > (td)->max_stack_height) \
417 (td)->max_stack_height = sp_height; \
418 SET_TYPE((td)->sp - 1, ty, k); \
421 #define PUSH_VT(td, size) \
423 (td)->vt_sp += ((size) + 7) & ~7; \
424 if ((td)->vt_sp > (td)->max_vt_sp) \
425 (td)->max_vt_sp = (td)->vt_sp; \
428 #define POP_VT(td, size) \
430 (td)->vt_sp -= ((size) + 7) & ~7; \
433 #if NO_UNALIGNED_ACCESS
434 #define WRITE32(td, v) \
436 ENSURE_CODE(td, 2); \
437 * (guint16 *)((td)->new_ip) = * (guint16 *)(v); \
438 * ((guint16 *)((td)->new_ip) + 1) = * ((guint16 *)(v) + 1); \
442 #define WRITE64(td, v) \
444 ENSURE_CODE(td, 4); \
445 * (guint16 *)((td)->new_ip) = * (guint16 *)(v); \
446 * ((guint16 *)((td)->new_ip) + 1) = * ((guint16 *)(v) + 1); \
447 * ((guint16 *)((td)->new_ip) + 2) = * ((guint16 *)(v) + 2); \
448 * ((guint16 *)((td)->new_ip) + 3) = * ((guint16 *)(v) + 3); \
452 #define WRITE32(td, v) \
454 ENSURE_CODE(td, 2); \
455 * (guint32 *)((td)->new_ip) = * (guint32 *)(v); \
459 #define WRITE64(td, v) \
461 ENSURE_CODE(td, 4); \
462 * (guint64 *)((td)->new_ip) = * (guint64 *)(v); \
469 load_arg(TransformData *td, int n)
472 MonoClass *klass = NULL;
475 gboolean hasthis = mono_method_signature (td->method)->hasthis;
476 if (hasthis && n == 0)
477 type = &td->method->klass->byval_arg;
479 type = mono_method_signature (td->method)->params [hasthis ? n - 1 : n];
481 mt = mint_type (type);
482 if (mt == MINT_TYPE_VT) {
484 klass = mono_class_from_mono_type (type);
485 if (mono_method_signature (td->method)->pinvoke)
486 size = mono_class_native_size (klass, NULL);
488 size = mono_class_value_size (klass, NULL);
490 if (hasthis && n == 0) {
492 ADD_CODE (td, MINT_LDARG_P);
493 ADD_CODE (td, td->rtm->arg_offsets [n]); /* FIX for large offset */
497 ADD_CODE (td, MINT_LDARG_VT);
498 ADD_CODE (td, td->rtm->arg_offsets [n]); /* FIX for large offset */
502 if (hasthis && n == 0) {
504 ADD_CODE (td, MINT_LDARG_P);
505 ADD_CODE (td, td->rtm->arg_offsets [n]); /* FIX for large offset */
508 ADD_CODE(td, MINT_LDARG_I1 + (mt - MINT_TYPE_I1));
509 ADD_CODE(td, td->rtm->arg_offsets [n]); /* FIX for large offset */
510 if (mt == MINT_TYPE_O)
511 klass = mono_class_from_mono_type (type);
514 PUSH_TYPE(td, stack_type[mt], klass);
518 store_arg(TransformData *td, int n)
524 gboolean hasthis = mono_method_signature (td->method)->hasthis;
525 if (hasthis && n == 0)
526 type = &td->method->klass->byval_arg;
528 type = mono_method_signature (td->method)->params [n - !!hasthis];
530 mt = mint_type (type);
531 if (mt == MINT_TYPE_VT) {
533 MonoClass *klass = mono_class_from_mono_type (type);
534 if (mono_method_signature (td->method)->pinvoke)
535 size = mono_class_native_size (klass, NULL);
537 size = mono_class_value_size (klass, NULL);
538 ADD_CODE(td, MINT_STARG_VT);
539 ADD_CODE(td, td->rtm->arg_offsets [n]);
541 if (td->sp [-1].type == STACK_TYPE_VT)
544 ADD_CODE(td, MINT_STARG_I1 + (mt - MINT_TYPE_I1));
545 ADD_CODE(td, td->rtm->arg_offsets [n]);
551 store_inarg(TransformData *td, int n)
554 gboolean hasthis = mono_method_signature (td->method)->hasthis;
555 if (hasthis && n == 0)
556 type = &td->method->klass->byval_arg;
558 type = mono_method_signature (td->method)->params [n - !!hasthis];
560 int mt = mint_type (type);
561 if (hasthis && n == 0) {
562 ADD_CODE (td, MINT_STINARG_P);
566 if (mt == MINT_TYPE_VT) {
567 MonoClass *klass = mono_class_from_mono_type (type);
569 if (mono_method_signature (td->method)->pinvoke)
570 size = mono_class_native_size (klass, NULL);
572 size = mono_class_value_size (klass, NULL);
573 ADD_CODE(td, MINT_STINARG_VT);
577 ADD_CODE(td, MINT_STINARG_I1 + (mt - MINT_TYPE_I1));
583 load_local(TransformData *td, int n)
585 MonoType *type = td->header->locals [n];
586 int mt = mint_type (type);
587 int offset = td->rtm->local_offsets [n];
588 MonoClass *klass = NULL;
589 if (mt == MINT_TYPE_VT) {
590 klass = mono_class_from_mono_type (type);
591 gint32 size = mono_class_value_size (klass, NULL);
593 ADD_CODE(td, MINT_LDLOC_VT);
594 ADD_CODE(td, offset); /*FIX for large offset */
597 g_assert (mt < MINT_TYPE_VT);
598 if (!td->gen_sdb_seq_points &&
599 mt == MINT_TYPE_I4 && !td->is_bb_start [td->in_start - td->il_code] && td->last_new_ip != NULL &&
600 td->last_new_ip [0] == MINT_STLOC_I4 && td->last_new_ip [1] == offset) {
601 td->last_new_ip [0] = MINT_STLOC_NP_I4;
602 } else if (!td->gen_sdb_seq_points &&
603 mt == MINT_TYPE_O && !td->is_bb_start [td->in_start - td->il_code] && td->last_new_ip != NULL &&
604 td->last_new_ip [0] == MINT_STLOC_O && td->last_new_ip [1] == offset) {
605 td->last_new_ip [0] = MINT_STLOC_NP_O;
607 ADD_CODE(td, MINT_LDLOC_I1 + (mt - MINT_TYPE_I1));
608 ADD_CODE(td, offset); /*FIX for large offset */
610 if (mt == MINT_TYPE_O)
611 klass = mono_class_from_mono_type (type);
613 PUSH_TYPE(td, stack_type[mt], klass);
617 store_local(TransformData *td, int n)
619 MonoType *type = td->header->locals [n];
620 int mt = mint_type (type);
621 int offset = td->rtm->local_offsets [n];
623 #if SIZEOF_VOID_P == 8
624 if (td->sp [-1].type == STACK_TYPE_I4 && stack_type [mt] == STACK_TYPE_I8) {
625 ADD_CODE(td, MINT_CONV_I8_I4);
626 td->sp [-1].type = STACK_TYPE_I8;
629 if (!can_store(td->sp [-1].type, stack_type [mt])) {
630 g_warning("%s.%s: Store local stack type mismatch %d %d",
631 td->method->klass->name, td->method->name,
632 stack_type [mt], td->sp [-1].type);
634 if (mt == MINT_TYPE_VT) {
635 MonoClass *klass = mono_class_from_mono_type (type);
636 gint32 size = mono_class_value_size (klass, NULL);
637 ADD_CODE(td, MINT_STLOC_VT);
638 ADD_CODE(td, offset); /*FIX for large offset */
640 if (td->sp [-1].type == STACK_TYPE_VT)
643 g_assert (mt < MINT_TYPE_VT);
644 ADD_CODE(td, MINT_STLOC_I1 + (mt - MINT_TYPE_I1));
645 ADD_CODE(td, offset); /*FIX for large offset */
650 #define SIMPLE_OP(td, op) \
657 get_data_item_index (TransformData *td, void *ptr)
659 gpointer p = g_hash_table_lookup (td->data_hash, ptr);
662 return GPOINTER_TO_UINT (p) - 1;
663 if (td->max_data_items == td->n_data_items) {
664 td->max_data_items = td->n_data_items == 0 ? 16 : 2 * td->max_data_items;
665 td->data_items = g_realloc (td->data_items, td->max_data_items * sizeof(td->data_items [0]));
667 index = td->n_data_items;
668 td->data_items [index] = ptr;
670 g_hash_table_insert (td->data_hash, ptr, GUINT_TO_POINTER (index + 1));
675 jit_call_supported (MonoMethod *method, MonoMethodSignature *sig)
679 if (sig->param_count > 6)
683 if (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL)
685 if (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL)
687 if (method->is_inflated)
689 if (method->string_ctor)
692 for (l = jit_classes; l; l = l->next) {
693 char *class_name = l->data;
695 if (!strcmp (method->klass->name, class_name))
704 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)
706 MonoImage *image = method->klass->image;
707 MonoMethodSignature *csignature;
709 int virtual = *td->ip == CEE_CALLVIRT;
710 int calli = *td->ip == CEE_CALLI || *td->ip == CEE_MONO_CALLI_EXTRA_ARG;
712 guint32 vt_stack_used = 0;
713 guint32 vt_res_size = 0;
718 guint32 token = read32 (td->ip + 1);
720 if (target_method == NULL) {
723 native = (method->wrapper_type != MONO_WRAPPER_DELEGATE_INVOKE && td->sp [-1].type == STACK_TYPE_I);
725 if (method->wrapper_type != MONO_WRAPPER_NONE)
726 csignature = (MonoMethodSignature *)mono_method_get_wrapper_data (method, token);
728 csignature = mono_metadata_parse_signature (image, token);
730 if (generic_context) {
731 csignature = mono_inflate_generic_signature (csignature, generic_context, &error);
732 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
735 target_method = NULL;
737 if (method->wrapper_type == MONO_WRAPPER_NONE)
738 target_method = mono_get_method_full (image, token, NULL, generic_context);
740 target_method = (MonoMethod *)mono_method_get_wrapper_data (method, token);
741 csignature = mono_method_signature (target_method);
743 if (generic_context) {
744 csignature = mono_inflate_generic_signature (csignature, generic_context, &error);
745 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
746 target_method = mono_class_inflate_generic_method_checked (target_method, generic_context, &error);
747 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
751 csignature = mono_method_signature (target_method);
756 if (target_method->klass == mono_defaults.string_class) {
757 if (target_method->name [0] == 'g') {
758 if (strcmp (target_method->name, "get_Chars") == 0)
760 else if (strcmp (target_method->name, "get_Length") == 0)
763 } else if (mono_class_is_subclass_of (target_method->klass, mono_defaults.array_class, FALSE)) {
764 if (!strcmp (target_method->name, "get_Rank")) {
765 op = MINT_ARRAY_RANK;
766 } else if (!strcmp (target_method->name, "get_Length")) {
768 } else if (!strcmp (target_method->name, "Address")) {
769 op = readonly ? MINT_LDELEMA : MINT_LDELEMA_TC;
771 } else if (target_method->klass->image == mono_defaults.corlib &&
772 (strcmp (target_method->klass->name_space, "System.Diagnostics") == 0) &&
773 (strcmp (target_method->klass->name, "Debugger") == 0)) {
774 if (!strcmp (target_method->name, "Break") && csignature->param_count == 0) {
775 if (mini_should_insert_breakpoint (method))
781 if (constrained_class) {
782 if (constrained_class->enumtype && !strcmp (target_method->name, "GetHashCode")) {
783 /* Use the corresponding method from the base type to avoid boxing */
784 MonoType *base_type = mono_class_enum_basetype (constrained_class);
785 g_assert (base_type);
786 constrained_class = mono_class_from_mono_type (base_type);
787 target_method = mono_class_get_method_from_name (constrained_class, target_method->name, 0);
788 g_assert (target_method);
792 if (constrained_class) {
793 mono_class_setup_vtable (constrained_class);
795 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);
797 target_method = mono_get_method_constrained_with_method (image, target_method, constrained_class, generic_context, &error);
799 g_print (" : %s::%s. %s (%p)\n", target_method->klass->name, target_method->name, mono_signature_full_name (target_method->signature), target_method);
801 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
802 mono_class_setup_vtable (target_method->klass);
804 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)) {
805 if (target_method->klass == mono_defaults.enum_class && (td->sp - csignature->param_count - 1)->type == STACK_TYPE_MP) {
806 /* managed pointer on the stack, we need to deref that puppy */
807 ADD_CODE (td, MINT_LDIND_I);
808 ADD_CODE (td, csignature->param_count);
810 ADD_CODE (td, MINT_BOX);
811 ADD_CODE (td, get_data_item_index (td, constrained_class));
812 ADD_CODE (td, csignature->param_count);
813 } else if (!constrained_class->valuetype) {
814 /* managed pointer on the stack, we need to deref that puppy */
815 ADD_CODE (td, MINT_LDIND_I);
816 ADD_CODE (td, csignature->param_count);
818 if (target_method->klass->valuetype) {
821 /* Interface method */
824 mono_class_setup_vtable (constrained_class);
825 ioffset = mono_class_interface_offset (constrained_class, target_method->klass);
827 g_error ("type load error: constrained_class");
828 slot = mono_method_get_vtable_slot (target_method);
830 g_error ("type load error: target_method->klass");
831 target_method = constrained_class->vtable [ioffset + slot];
833 if (target_method->klass == mono_defaults.enum_class) {
834 if ((td->sp - csignature->param_count - 1)->type == STACK_TYPE_MP) {
835 /* managed pointer on the stack, we need to deref that puppy */
836 ADD_CODE (td, MINT_LDIND_I);
837 ADD_CODE (td, csignature->param_count);
839 ADD_CODE (td, MINT_BOX);
840 ADD_CODE (td, get_data_item_index (td, constrained_class));
841 ADD_CODE (td, csignature->param_count);
849 mono_class_init (target_method->klass);
851 CHECK_STACK (td, csignature->param_count + csignature->hasthis);
852 if (!calli && op == -1 && (!virtual || (target_method->flags & METHOD_ATTRIBUTE_VIRTUAL) == 0) &&
853 (target_method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) == 0 &&
854 (target_method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) == 0 &&
855 !(target_method->iflags & METHOD_IMPL_ATTRIBUTE_NOINLINING)) {
856 int called_inited = mono_class_vtable (domain, target_method->klass)->initialized;
857 MonoMethodHeader *mheader = mono_method_get_header (target_method);
859 if (/*mono_metadata_signature_equal (method->signature, target_method->signature) */ method == target_method && *(td->ip + 5) == CEE_RET) {
861 if (td->verbose_level)
862 g_print ("Optimize tail call of %s.%s\n", target_method->klass->name, target_method->name);
864 for (i = csignature->param_count - 1 + !!csignature->hasthis; i >= 0; --i)
867 ADD_CODE(td, MINT_BR_S);
868 offset = body_start_offset - ((td->new_ip - 1) - td->new_code);
869 ADD_CODE(td, offset);
870 if (!is_bb_start [td->ip + 5 - td->il_code])
871 ++td->ip; /* gobble the CEE_RET if it isn't branched to */
875 /* mheader might not exist if this is a delegate invoc, etc */
876 if (mheader && *mheader->code == CEE_RET && called_inited) {
877 if (td->verbose_level)
878 g_print ("Inline (empty) call of %s.%s\n", target_method->klass->name, target_method->name);
879 for (i = 0; i < csignature->param_count; i++) {
880 ADD_CODE (td, MINT_POP); /*FIX: vt */
883 if (csignature->hasthis) {
885 ADD_CODE(td, MINT_CKNULL);
886 ADD_CODE (td, MINT_POP);
889 td->sp -= csignature->param_count + csignature->hasthis;
895 if (method->wrapper_type == MONO_WRAPPER_NONE && target_method != NULL) {
896 if (target_method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL)
897 target_method = mono_marshal_get_native_wrapper (target_method, FALSE, FALSE);
898 if (!virtual && target_method->iflags & METHOD_IMPL_ATTRIBUTE_SYNCHRONIZED)
899 target_method = mono_marshal_get_synchronized_wrapper (target_method);
901 g_assert (csignature->call_convention == MONO_CALL_DEFAULT || csignature->call_convention == MONO_CALL_C);
902 td->sp -= csignature->param_count + !!csignature->hasthis;
903 for (i = 0; i < csignature->param_count; ++i) {
904 if (td->sp [i + !!csignature->hasthis].type == STACK_TYPE_VT) {
906 MonoClass *klass = mono_class_from_mono_type (csignature->params [i]);
907 if (csignature->pinvoke && method->wrapper_type != MONO_WRAPPER_NONE)
908 size = mono_class_native_size (klass, NULL);
910 size = mono_class_value_size (klass, NULL);
911 size = (size + 7) & ~7;
912 vt_stack_used += size;
916 /* need to handle typedbyref ... */
917 if (csignature->ret->type != MONO_TYPE_VOID) {
918 int mt = mint_type(csignature->ret);
919 MonoClass *klass = mono_class_from_mono_type (csignature->ret);
920 if (mt == MINT_TYPE_VT) {
921 if (csignature->pinvoke && method->wrapper_type != MONO_WRAPPER_NONE)
922 vt_res_size = mono_class_native_size (klass, NULL);
924 vt_res_size = mono_class_value_size (klass, NULL);
925 PUSH_VT(td, vt_res_size);
927 PUSH_TYPE(td, stack_type[mt], klass);
933 #if SIZEOF_VOID_P == 8
934 if (op == MINT_LDLEN)
935 ADD_CODE (td, MINT_CONV_I4_I8);
937 if (op == MINT_LDELEMA || op == MINT_LDELEMA_TC) {
938 ADD_CODE (td, get_data_item_index (td, target_method->klass));
939 ADD_CODE (td, 1 + target_method->klass->rank);
941 } else if (!calli && !virtual && jit_call_supported (target_method, csignature)) {
942 ADD_CODE(td, MINT_JIT_CALL);
943 ADD_CODE(td, get_data_item_index (td, (void *)mono_interp_get_runtime_method (domain, target_method, &error)));
944 mono_error_assert_ok (&error);
947 ADD_CODE(td, native ? MINT_CALLI_NAT : MINT_CALLI);
949 ADD_CODE(td, is_void ? MINT_VCALLVIRT : MINT_CALLVIRT);
951 ADD_CODE(td, is_void ? MINT_VCALL : MINT_CALL);
954 ADD_CODE(td, get_data_item_index (td, (void *)csignature));
956 ADD_CODE(td, get_data_item_index (td, (void *)mono_interp_get_runtime_method (domain, target_method, &error)));
957 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
961 if (vt_stack_used != 0 || vt_res_size != 0) {
962 ADD_CODE(td, MINT_VTRESULT);
963 ADD_CODE(td, vt_res_size);
964 WRITE32(td, &vt_stack_used);
965 td->vt_sp -= vt_stack_used;
969 static MonoClassField *
970 interp_field_from_token (MonoMethod *method, guint32 token, MonoClass **klass, MonoGenericContext *generic_context)
972 MonoClassField *field = NULL;
973 if (method->wrapper_type != MONO_WRAPPER_NONE) {
974 field = (MonoClassField *) mono_method_get_wrapper_data (method, token);
975 *klass = field->parent;
979 field = mono_field_from_token_checked (method->klass->image, token, klass, generic_context, &error);
980 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
985 static InterpBasicBlock*
986 get_bb (TransformData *td, InterpBasicBlock *cbb, unsigned char *ip)
988 int offset = ip - td->il_code;
989 InterpBasicBlock *bb = td->offset_to_bb [offset];
992 bb = mono_mempool_alloc0 (td->mempool, sizeof (InterpBasicBlock));
994 td->offset_to_bb [offset] = bb;
996 td->basic_blocks = g_list_append_mempool (td->mempool, td->basic_blocks, bb);
1000 bb->preds = g_slist_prepend_mempool (td->mempool, bb->preds, cbb);
1007 * Compute the set of IL level basic blocks.
1010 get_basic_blocks (TransformData *td)
1012 guint8 *start = (guint8*)td->il_code;
1013 guint8 *end = (guint8*)td->il_code + td->code_size;
1015 unsigned char *target;
1018 const MonoOpcode *opcode;
1019 InterpBasicBlock *cbb;
1021 td->offset_to_bb = mono_mempool_alloc0 (td->mempool, sizeof (InterpBasicBlock*) * (end - start + 1));
1022 td->entry_bb = cbb = get_bb (td, NULL, start);
1025 cli_addr = ip - start;
1026 td->offset_to_bb [cli_addr] = cbb;
1027 i = mono_opcode_value ((const guint8 **)&ip, end);
1028 opcode = &mono_opcodes [i];
1029 switch (opcode->argument) {
1030 case MonoInlineNone:
1033 case MonoInlineString:
1034 case MonoInlineType:
1035 case MonoInlineField:
1036 case MonoInlineMethod:
1039 case MonoShortInlineR:
1046 case MonoShortInlineVar:
1047 case MonoShortInlineI:
1050 case MonoShortInlineBrTarget:
1051 target = start + cli_addr + 2 + (signed char)ip [1];
1052 get_bb (td, cbb, target);
1054 cbb = get_bb (td, cbb, ip);
1056 case MonoInlineBrTarget:
1057 target = start + cli_addr + 5 + (gint32)read32 (ip + 1);
1058 get_bb (td, cbb, target);
1060 cbb = get_bb (td, cbb, ip);
1062 case MonoInlineSwitch: {
1063 guint32 n = read32 (ip + 1);
1066 cli_addr += 5 + 4 * n;
1067 target = start + cli_addr;
1068 get_bb (td, cbb, target);
1070 for (j = 0; j < n; ++j) {
1071 target = start + cli_addr + (gint32)read32 (ip);
1072 get_bb (td, cbb, target);
1075 cbb = get_bb (td, cbb, ip);
1083 g_assert_not_reached ();
1089 interp_save_debug_info (RuntimeMethod *rtm, MonoMethodHeader *header, TransformData *td, GArray *line_numbers)
1091 MonoDebugMethodJitInfo *dinfo;
1094 if (!mono_debug_enabled ())
1098 * We save the debug info in the same way the JIT does it, treating the interpreter IR as the native code.
1101 dinfo = g_new0 (MonoDebugMethodJitInfo, 1);
1102 dinfo->num_params = rtm->param_count;
1103 dinfo->params = g_new0 (MonoDebugVarInfo, dinfo->num_params);
1104 dinfo->num_locals = header->num_locals;
1105 dinfo->locals = g_new0 (MonoDebugVarInfo, header->num_locals);
1106 dinfo->code_start = (guint8*)rtm->code;
1107 dinfo->code_size = td->new_ip - td->new_code;
1108 dinfo->epilogue_begin = 0;
1109 dinfo->has_var_info = TRUE;
1110 dinfo->num_line_numbers = line_numbers->len;
1111 dinfo->line_numbers = g_new0 (MonoDebugLineNumberEntry, dinfo->num_line_numbers);
1113 for (i = 0; i < dinfo->num_params; i++) {
1114 MonoDebugVarInfo *var = &dinfo->params [i];
1115 var->type = rtm->param_types [i];
1117 for (i = 0; i < dinfo->num_locals; i++) {
1118 MonoDebugVarInfo *var = &dinfo->locals [i];
1119 var->type = header->locals [i];
1122 for (i = 0; i < dinfo->num_line_numbers; i++)
1123 dinfo->line_numbers [i] = g_array_index (line_numbers, MonoDebugLineNumberEntry, i);
1124 mono_debug_add_method (rtm->method, dinfo, mono_domain_get ());
1126 mono_debug_free_method_jit_info (dinfo);
1129 /* Same as the code in seq-points.c */
1131 insert_pred_seq_point (SeqPoint *last_sp, SeqPoint *sp, GSList **next)
1134 int src_index = last_sp->next_offset;
1135 int dst_index = sp->next_offset;
1137 /* bb->in_bb might contain duplicates */
1138 for (l = next [src_index]; l; l = l->next)
1139 if (GPOINTER_TO_UINT (l->data) == dst_index)
1142 next [src_index] = g_slist_append (next [src_index], GUINT_TO_POINTER (dst_index));
1146 recursively_make_pred_seq_points (TransformData *td, InterpBasicBlock *bb)
1148 const gpointer MONO_SEQ_SEEN_LOOP = GINT_TO_POINTER(-1);
1151 GArray *predecessors = g_array_new (FALSE, TRUE, sizeof (gpointer));
1152 GHashTable *seen = g_hash_table_new_full (g_direct_hash, NULL, NULL, NULL);
1154 // Insert/remove sentinel into the memoize table to detect loops containing bb
1155 bb->pred_seq_points = MONO_SEQ_SEEN_LOOP;
1157 for (l = bb->preds; l; l = l->next) {
1158 InterpBasicBlock *in_bb = l->data;
1160 // This bb has the last seq point, append it and continue
1161 if (in_bb->last_seq_point != NULL) {
1162 predecessors = g_array_append_val (predecessors, in_bb->last_seq_point);
1166 // We've looped or handled this before, exit early.
1167 // No last sequence points to find.
1168 if (in_bb->pred_seq_points == MONO_SEQ_SEEN_LOOP)
1171 // Take sequence points from incoming basic blocks
1173 if (in_bb == td->entry_bb)
1176 if (in_bb->pred_seq_points == NULL)
1177 recursively_make_pred_seq_points (td, in_bb);
1179 // Union sequence points with incoming bb's
1180 for (int i=0; i < in_bb->num_pred_seq_points; i++) {
1181 if (!g_hash_table_lookup (seen, in_bb->pred_seq_points [i])) {
1182 g_array_append_val (predecessors, in_bb->pred_seq_points [i]);
1183 g_hash_table_insert (seen, in_bb->pred_seq_points [i], (gpointer)&MONO_SEQ_SEEN_LOOP);
1186 // predecessors = g_array_append_vals (predecessors, in_bb->pred_seq_points, in_bb->num_pred_seq_points);
1189 g_hash_table_destroy (seen);
1191 if (predecessors->len != 0) {
1192 bb->pred_seq_points = mono_mempool_alloc0 (td->mempool, sizeof (SeqPoint *) * predecessors->len);
1193 bb->num_pred_seq_points = predecessors->len;
1195 for (int newer = 0; newer < bb->num_pred_seq_points; newer++) {
1196 bb->pred_seq_points [newer] = g_array_index (predecessors, gpointer, newer);
1200 g_array_free (predecessors, TRUE);
1204 collect_pred_seq_points (TransformData *td, InterpBasicBlock *bb, SeqPoint *seqp, GSList **next)
1206 // Doesn't have a last sequence point, must find from incoming basic blocks
1207 if (bb->pred_seq_points == NULL && bb != td->entry_bb)
1208 recursively_make_pred_seq_points (td, bb);
1210 for (int i = 0; i < bb->num_pred_seq_points; i++)
1211 insert_pred_seq_point (bb->pred_seq_points [i], seqp, next);
1217 save_seq_points (TransformData *td)
1219 RuntimeMethod *rtm = td->rtm;
1221 int i, seq_info_size;
1222 MonoSeqPointInfo *info;
1223 MonoDomain *domain = mono_domain_get ();
1224 GSList **next = NULL;
1227 if (!td->gen_sdb_seq_points)
1231 * For each sequence point, compute the list of sequence points immediately
1232 * following it, this is needed to implement 'step over' in the debugger agent.
1233 * Similar to the code in mono_save_seq_point_info ().
1235 for (i = 0; i < td->seq_points->len; ++i) {
1236 SeqPoint *sp = g_ptr_array_index (td->seq_points, i);
1238 /* Store the seq point index here temporarily */
1239 sp->next_offset = i;
1241 next = mono_mempool_alloc0 (td->mempool, sizeof (GList*) * td->seq_points->len);
1242 for (bblist = td->basic_blocks; bblist; bblist = bblist->next) {
1243 InterpBasicBlock *bb = bblist->data;
1245 GSList *bb_seq_points = g_slist_reverse (bb->seq_points);
1246 SeqPoint *last = NULL;
1247 for (GSList *l = bb_seq_points; l; l = l->next) {
1248 SeqPoint *sp = l->data;
1250 if (sp->il_offset == METHOD_ENTRY_IL_OFFSET || sp->il_offset == METHOD_EXIT_IL_OFFSET)
1251 /* Used to implement method entry/exit events */
1255 /* Link with the previous seq point in the same bb */
1256 next [last->next_offset] = g_slist_append_mempool (td->mempool, next [last->next_offset], GINT_TO_POINTER (sp->next_offset));
1258 /* Link with the last bb in the previous bblocks */
1259 collect_pred_seq_points (td, bb, sp, next);
1265 /* Serialize the seq points into a byte array */
1266 array = g_byte_array_new ();
1267 SeqPoint zero_seq_point = {0};
1268 SeqPoint* last_seq_point = &zero_seq_point;
1269 for (i = 0; i < td->seq_points->len; ++i) {
1270 SeqPoint *sp = (SeqPoint*)g_ptr_array_index (td->seq_points, i);
1272 sp->next_offset = 0;
1273 if (mono_seq_point_info_add_seq_point (array, sp, last_seq_point, next [i], TRUE))
1274 last_seq_point = sp;
1277 if (td->verbose_level) {
1278 g_print ("\nSEQ POINT MAP FOR %s: \n", td->method->name);
1280 for (i = 0; i < td->seq_points->len; ++i) {
1281 SeqPoint *sp = (SeqPoint*)g_ptr_array_index (td->seq_points, i);
1287 g_print ("\tIL0x%x[0x%0x] ->", sp->il_offset, sp->native_offset);
1288 for (l = next [i]; l; l = l->next) {
1289 int next_index = GPOINTER_TO_UINT (l->data);
1290 g_print (" IL0x%x", ((SeqPoint*)g_ptr_array_index (td->seq_points, next_index))->il_offset);
1296 info = mono_seq_point_info_new (array->len, TRUE, array->data, TRUE, &seq_info_size);
1297 mono_jit_stats.allocated_seq_points_size += seq_info_size;
1299 g_byte_array_free (array, TRUE);
1301 mono_domain_lock (domain);
1302 g_hash_table_insert (domain_jit_info (domain)->seq_points, rtm->method, info);
1303 mono_domain_unlock (domain);
1307 emit_seq_point (TransformData *td, int il_offset, InterpBasicBlock *cbb, gboolean nonempty_stack)
1311 seqp = mono_mempool_alloc0 (td->mempool, sizeof (SeqPoint));
1312 seqp->il_offset = il_offset;
1313 seqp->native_offset = (guint8*)td->new_ip - (guint8*)td->new_code;
1315 seqp->flags |= MONO_SEQ_POINT_FLAG_NONEMPTY_STACK;
1317 ADD_CODE (td, MINT_SDB_SEQ_POINT);
1318 g_ptr_array_add (td->seq_points, seqp);
1320 cbb->seq_points = g_slist_prepend_mempool (td->mempool, cbb->seq_points, seqp);
1321 cbb->last_seq_point = seqp;
1325 generate (MonoMethod *method, RuntimeMethod *rtm, unsigned char *is_bb_start, MonoGenericContext *generic_context)
1327 MonoMethodHeader *header = mono_method_get_header (method);
1328 MonoMethodSignature *signature = mono_method_signature (method);
1329 MonoImage *image = method->klass->image;
1330 MonoDomain *domain = rtm->domain;
1331 MonoClass *constrained_class = NULL;
1333 int offset, mt, i, i32;
1334 gboolean readonly = FALSE;
1336 MonoClassField *field;
1337 const unsigned char *end;
1338 int new_in_start_offset;
1339 int body_start_offset;
1343 int generating_code = 1;
1344 GArray *line_numbers;
1345 MonoDebugMethodInfo *minfo;
1346 MonoBitSet *seq_point_locs = NULL;
1347 MonoBitSet *seq_point_set_locs = NULL;
1348 gboolean sym_seq_points = FALSE;
1349 InterpBasicBlock *bb_exit = NULL;
1350 static gboolean verbose_method_inited;
1351 static char* verbose_method_name;
1353 if (!verbose_method_inited) {
1354 verbose_method_name = getenv ("MONO_VERBOSE_METHOD");
1355 verbose_method_inited = TRUE;
1358 memset (&td, 0, sizeof(td));
1361 td.is_bb_start = is_bb_start;
1362 td.il_code = header->code;
1363 td.code_size = header->code_size;
1365 td.max_code_size = td.code_size;
1366 td.new_code = (unsigned short *)g_malloc(td.max_code_size * sizeof(gushort));
1367 td.new_code_end = td.new_code + td.max_code_size;
1368 td.mempool = mono_mempool_new ();
1369 td.in_offsets = g_malloc0(header->code_size * sizeof(int));
1370 td.stack_state = g_malloc0(header->code_size * sizeof(StackInfo *));
1371 td.stack_height = g_malloc(header->code_size * sizeof(int));
1372 td.vt_stack_size = g_malloc(header->code_size * sizeof(int));
1373 td.n_data_items = 0;
1374 td.max_data_items = 0;
1375 td.data_items = NULL;
1376 td.data_hash = g_hash_table_new (NULL, NULL);
1377 td.clause_indexes = g_malloc (header->code_size * sizeof (int));
1378 td.gen_sdb_seq_points = debug_options.gen_sdb_seq_points;
1379 td.seq_points = g_ptr_array_new ();
1380 td.relocs = g_ptr_array_new ();
1381 td.verbose_level = mono_interp_traceopt;
1382 rtm->data_items = td.data_items;
1383 for (i = 0; i < header->code_size; i++) {
1384 td.stack_height [i] = -1;
1385 td.clause_indexes [i] = -1;
1388 if (verbose_method_name) {
1389 const char *name = verbose_method_name;
1391 if ((strchr (name, '.') > name) || strchr (name, ':')) {
1392 MonoMethodDesc *desc;
1394 desc = mono_method_desc_new (name, TRUE);
1395 if (mono_method_desc_full_match (desc, method)) {
1396 td.verbose_level = 4;
1398 mono_method_desc_free (desc);
1400 if (strcmp (method->name, name) == 0)
1401 td.verbose_level = 4;
1405 if (td.gen_sdb_seq_points) {
1406 get_basic_blocks (&td);
1408 minfo = mono_debug_lookup_method (method);
1411 MonoSymSeqPoint *sps;
1412 int i, n_il_offsets;
1414 mono_debug_get_seq_points (minfo, NULL, NULL, NULL, &sps, &n_il_offsets);
1416 seq_point_locs = mono_bitset_mem_new (mono_mempool_alloc0 (td.mempool, mono_bitset_alloc_size (header->code_size, 0)), header->code_size, 0);
1417 seq_point_set_locs = mono_bitset_mem_new (mono_mempool_alloc0 (td.mempool, mono_bitset_alloc_size (header->code_size, 0)), header->code_size, 0);
1418 sym_seq_points = TRUE;
1420 for (i = 0; i < n_il_offsets; ++i) {
1421 if (sps [i].il_offset < header->code_size)
1422 mono_bitset_set_fast (seq_point_locs, sps [i].il_offset);
1425 } else if (!method->wrapper_type && !method->dynamic && mono_debug_image_has_debug_info (method->klass->image)) {
1426 /* Methods without line number info like auto-generated property accessors */
1427 seq_point_locs = mono_bitset_new (header->code_size, 0);
1428 seq_point_set_locs = mono_bitset_new (header->code_size, 0);
1429 sym_seq_points = TRUE;
1433 td.new_ip = td.new_code;
1434 td.last_new_ip = NULL;
1436 td.stack = g_malloc0 ((header->max_stack + 1) * sizeof (td.stack [0]));
1438 td.max_stack_height = 0;
1440 line_numbers = g_array_new (FALSE, TRUE, sizeof (MonoDebugLineNumberEntry));
1442 for (i = 0; i < header->num_clauses; i++) {
1443 MonoExceptionClause *c = header->clauses + i;
1444 td.stack_height [c->handler_offset] = 0;
1445 td.vt_stack_size [c->handler_offset] = 0;
1446 td.is_bb_start [c->handler_offset] = 1;
1448 td.stack_height [c->handler_offset] = 1;
1449 td.stack_state [c->handler_offset] = g_malloc0(sizeof(StackInfo));
1450 td.stack_state [c->handler_offset][0].type = STACK_TYPE_O;
1451 td.stack_state [c->handler_offset][0].klass = NULL; /*FIX*/
1453 if (c->flags & MONO_EXCEPTION_CLAUSE_FILTER) {
1454 td.stack_height [c->data.filter_offset] = 0;
1455 td.vt_stack_size [c->data.filter_offset] = 0;
1456 td.is_bb_start [c->data.filter_offset] = 1;
1458 td.stack_height [c->data.filter_offset] = 1;
1459 td.stack_state [c->data.filter_offset] = g_malloc0(sizeof(StackInfo));
1460 td.stack_state [c->data.filter_offset][0].type = STACK_TYPE_O;
1461 td.stack_state [c->data.filter_offset][0].klass = NULL; /*FIX*/
1464 for (int j = c->handler_offset; j < c->handler_offset + c->handler_len; ++j) {
1465 if (td.clause_indexes [j] == -1)
1466 td.clause_indexes [j] = i;
1470 td.ip = header->code;
1471 end = td.ip + header->code_size;
1473 if (td.verbose_level) {
1474 char *tmp = mono_disasm_code (NULL, method, td.ip, end);
1475 char *name = mono_method_full_name (method, TRUE);
1476 g_print ("Method %s, original code:\n", name);
1477 g_print ("%s\n", tmp);
1482 if (signature->hasthis)
1483 store_inarg (&td, 0);
1484 for (i = 0; i < signature->param_count; i++)
1485 store_inarg (&td, i + !!signature->hasthis);
1487 body_start_offset = td.new_ip - td.new_code;
1489 for (i = 0; i < header->num_locals; i++) {
1490 int mt = mint_type(header->locals [i]);
1491 if (mt == MINT_TYPE_VT || mt == MINT_TYPE_O || mt == MINT_TYPE_P) {
1492 ADD_CODE(&td, MINT_INITLOCALS);
1497 if (sym_seq_points) {
1498 InterpBasicBlock *cbb = td.offset_to_bb [0];
1500 emit_seq_point (&td, METHOD_ENTRY_IL_OFFSET, cbb, FALSE);
1503 while (td.ip < end) {
1506 g_assert (td.sp >= td.stack);
1507 g_assert (td.vt_sp < 0x10000000);
1508 in_offset = td.ip - header->code;
1509 td.in_offsets [in_offset] = td.new_ip - td.new_code;
1510 new_in_start_offset = td.new_ip - td.new_code;
1511 td.in_start = td.ip;
1513 MonoDebugLineNumberEntry lne;
1514 lne.native_offset = (guint8*)td.new_ip - (guint8*)td.new_code;
1515 lne.il_offset = in_offset;
1516 g_array_append_val (line_numbers, lne);
1518 if (td.stack_height [in_offset] >= 0) {
1519 g_assert (is_bb_start [in_offset]);
1520 if (td.stack_height [in_offset] > 0)
1521 memcpy (td.stack, td.stack_state [in_offset], td.stack_height [in_offset] * sizeof(td.stack [0]));
1522 td.sp = td.stack + td.stack_height [in_offset];
1523 td.vt_sp = td.vt_stack_size [in_offset];
1525 if (is_bb_start [in_offset]) {
1526 generating_code = 1;
1528 if (!generating_code) {
1529 while (td.ip < end && !is_bb_start [td.ip - td.il_code])
1533 if (td.verbose_level > 1) {
1534 printf("IL_%04lx %s %-10s -> IL_%04lx, sp %ld, %s %-12s vt_sp %u (max %u)\n",
1536 td.is_bb_start [td.ip - td.il_code] == 3 ? "<>" :
1537 td.is_bb_start [td.ip - td.il_code] == 2 ? "< " :
1538 td.is_bb_start [td.ip - td.il_code] == 1 ? " >" : " ",
1539 mono_opcode_name (*td.ip), td.new_ip - td.new_code, td.sp - td.stack,
1540 td.sp > td.stack ? stack_type_string [td.sp [-1].type] : " ",
1541 (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) : "",
1542 td.vt_sp, td.max_vt_sp);
1545 if (sym_seq_points && mono_bitset_test_fast (seq_point_locs, td.ip - header->code)) {
1546 InterpBasicBlock *cbb = td.offset_to_bb [td.ip - header->code];
1550 * Make methods interruptable at the beginning, and at the targets of
1551 * backward branches.
1553 if (in_offset == 0 || g_slist_length (cbb->preds) > 1)
1554 ADD_CODE (&td, MINT_SDB_INTR_LOC);
1556 emit_seq_point (&td, in_offset, cbb, FALSE);
1558 mono_bitset_set_fast (seq_point_set_locs, td.ip - header->code);
1562 bb_exit = td.offset_to_bb [td.ip - header->code];
1570 SIMPLE_OP(td, MINT_BREAK);
1576 load_arg (&td, *td.ip - CEE_LDARG_0);
1583 load_local (&td, *td.ip - CEE_LDLOC_0);
1590 store_local (&td, *td.ip - CEE_STLOC_0);
1594 load_arg (&td, ((guint8 *)td.ip)[1]);
1597 case CEE_LDARGA_S: {
1598 /* NOTE: n includes this */
1599 int n = ((guint8 *) td.ip) [1];
1600 ADD_CODE (&td, MINT_LDARGA);
1601 ADD_CODE (&td, td.rtm->arg_offsets [n]);
1602 PUSH_SIMPLE_TYPE(&td, STACK_TYPE_MP);
1607 store_arg (&td, ((guint8 *)td.ip)[1]);
1611 load_local (&td, ((guint8 *)td.ip)[1]);
1615 ADD_CODE(&td, MINT_LDLOCA_S);
1616 ADD_CODE(&td, td.rtm->local_offsets [((guint8 *)td.ip)[1]]);
1617 PUSH_SIMPLE_TYPE(&td, STACK_TYPE_MP);
1621 store_local (&td, ((guint8 *)td.ip)[1]);
1625 SIMPLE_OP(td, MINT_LDNULL);
1626 PUSH_TYPE(&td, STACK_TYPE_O, NULL);
1629 SIMPLE_OP(td, MINT_LDC_I4_M1);
1630 PUSH_SIMPLE_TYPE(&td, STACK_TYPE_I4);
1633 if (!td.is_bb_start[td.ip + 1 - td.il_code] && td.ip [1] == 0xfe && td.ip [2] == CEE_CEQ &&
1634 td.sp > td.stack && td.sp [-1].type == STACK_TYPE_I4) {
1635 SIMPLE_OP(td, MINT_CEQ0_I4);
1638 SIMPLE_OP(td, MINT_LDC_I4_0);
1639 PUSH_SIMPLE_TYPE(&td, STACK_TYPE_I4);
1643 if (!td.is_bb_start[td.ip + 1 - td.il_code] &&
1644 (td.ip [1] == CEE_ADD || td.ip [1] == CEE_SUB) && td.sp [-1].type == STACK_TYPE_I4) {
1645 ADD_CODE(&td, td.ip [1] == CEE_ADD ? MINT_ADD1_I4 : MINT_SUB1_I4);
1648 SIMPLE_OP(td, MINT_LDC_I4_1);
1649 PUSH_SIMPLE_TYPE(&td, STACK_TYPE_I4);
1659 SIMPLE_OP(td, (*td.ip - CEE_LDC_I4_0) + MINT_LDC_I4_0);
1660 PUSH_SIMPLE_TYPE(&td, STACK_TYPE_I4);
1663 ADD_CODE(&td, MINT_LDC_I4_S);
1664 ADD_CODE(&td, ((gint8 *) td.ip) [1]);
1666 PUSH_SIMPLE_TYPE(&td, STACK_TYPE_I4);
1669 i32 = read32 (td.ip + 1);
1670 ADD_CODE(&td, MINT_LDC_I4);
1673 PUSH_SIMPLE_TYPE(&td, STACK_TYPE_I4);
1676 gint64 val = read64 (td.ip + 1);
1677 ADD_CODE(&td, MINT_LDC_I8);
1680 PUSH_SIMPLE_TYPE(&td, STACK_TYPE_I8);
1685 readr4 (td.ip + 1, &val);
1686 ADD_CODE(&td, MINT_LDC_R4);
1689 PUSH_SIMPLE_TYPE(&td, STACK_TYPE_R8);
1694 readr8 (td.ip + 1, &val);
1695 ADD_CODE(&td, MINT_LDC_R8);
1698 PUSH_SIMPLE_TYPE(&td, STACK_TYPE_R8);
1702 int type = td.sp [-1].type;
1703 MonoClass *klass = td.sp [-1].klass;
1704 if (td.sp [-1].type == STACK_TYPE_VT) {
1705 gint32 size = mono_class_value_size (klass, NULL);
1707 ADD_CODE(&td, MINT_DUP_VT);
1708 WRITE32(&td, &size);
1711 SIMPLE_OP(td, MINT_DUP);
1712 PUSH_TYPE(&td, type, klass);
1716 CHECK_STACK(&td, 1);
1717 SIMPLE_OP(td, MINT_POP);
1719 if (td.sp [-1].type == STACK_TYPE_VT) {
1720 int size = mono_class_value_size (td.sp [-1].klass, NULL);
1721 size = (size + 7) & ~7;
1722 ADD_CODE(&td, MINT_VTRESULT);
1724 WRITE32(&td, &size);
1731 if (td.sp > td.stack)
1732 g_warning ("CEE_JMP: stack must be empty");
1733 token = read32 (td.ip + 1);
1734 m = mono_get_method_full (image, token, NULL, generic_context);
1735 ADD_CODE (&td, MINT_JMP);
1736 ADD_CODE (&td, get_data_item_index (&td, mono_interp_get_runtime_method (domain, m, &error)));
1737 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
1741 case CEE_CALLVIRT: /* Fall through */
1742 case CEE_CALLI: /* Fall through */
1744 gboolean need_seq_point = FALSE;
1746 if (sym_seq_points && !mono_bitset_test_fast (seq_point_locs, td.ip + 5 - header->code))
1747 need_seq_point = TRUE;
1749 interp_transform_call (&td, method, NULL, domain, generic_context, is_bb_start, body_start_offset, constrained_class, readonly);
1751 if (need_seq_point) {
1752 InterpBasicBlock *cbb = td.offset_to_bb [td.ip - header->code];
1755 emit_seq_point (&td, td.ip - header->code, cbb, TRUE);
1758 constrained_class = NULL;
1764 if (signature->ret->type != MONO_TYPE_VOID) {
1766 MonoClass *klass = mono_class_from_mono_type (signature->ret);
1767 if (mint_type (&klass->byval_arg) == MINT_TYPE_VT) {
1768 vt_size = mono_class_value_size (klass, NULL);
1769 vt_size = (vt_size + 7) & ~7;
1772 if (td.sp > td.stack)
1773 g_warning ("%s.%s: CEE_RET: more values on stack: %d", td.method->klass->name, td.method->name, td.sp - td.stack);
1774 if (td.vt_sp != vt_size)
1775 g_error ("%s.%s: CEE_RET: value type stack: %d vs. %d", td.method->klass->name, td.method->name, td.vt_sp, vt_size);
1777 if (sym_seq_points) {
1778 InterpBasicBlock *cbb = td.offset_to_bb [td.ip - header->code];
1780 emit_seq_point (&td, METHOD_EXIT_IL_OFFSET, bb_exit, FALSE);
1784 SIMPLE_OP(td, signature->ret->type == MONO_TYPE_VOID ? MINT_RET_VOID : MINT_RET);
1786 ADD_CODE(&td, MINT_RET_VT);
1787 WRITE32(&td, &vt_size);
1790 generating_code = 0;
1794 handle_branch (&td, MINT_BR_S, MINT_BR, 5 + read32 (td.ip + 1));
1796 generating_code = 0;
1799 handle_branch (&td, MINT_BR_S, MINT_BR, 2 + (gint8)td.ip [1]);
1801 generating_code = 0;
1804 one_arg_branch (&td, MINT_BRFALSE_I4, 5 + read32 (td.ip + 1));
1808 one_arg_branch (&td, MINT_BRFALSE_I4, 2 + (gint8)td.ip [1]);
1812 one_arg_branch (&td, MINT_BRTRUE_I4, 5 + read32 (td.ip + 1));
1816 one_arg_branch (&td, MINT_BRTRUE_I4, 2 + (gint8)td.ip [1]);
1820 two_arg_branch (&td, MINT_BEQ_I4, 5 + read32 (td.ip + 1));
1824 two_arg_branch (&td, MINT_BEQ_I4, 2 + (gint8) td.ip [1]);
1828 two_arg_branch (&td, MINT_BGE_I4, 5 + read32 (td.ip + 1));
1832 two_arg_branch (&td, MINT_BGE_I4, 2 + (gint8) td.ip [1]);
1836 two_arg_branch (&td, MINT_BGT_I4, 5 + read32 (td.ip + 1));
1840 two_arg_branch (&td, MINT_BGT_I4, 2 + (gint8) td.ip [1]);
1844 two_arg_branch (&td, MINT_BLT_I4, 5 + read32 (td.ip + 1));
1848 two_arg_branch (&td, MINT_BLT_I4, 2 + (gint8) td.ip [1]);
1852 two_arg_branch (&td, MINT_BLE_I4, 5 + read32 (td.ip + 1));
1856 two_arg_branch (&td, MINT_BLE_I4, 2 + (gint8) td.ip [1]);
1860 two_arg_branch (&td, MINT_BNE_UN_I4, 5 + read32 (td.ip + 1));
1864 two_arg_branch (&td, MINT_BNE_UN_I4, 2 + (gint8) td.ip [1]);
1868 two_arg_branch (&td, MINT_BGE_UN_I4, 5 + read32 (td.ip + 1));
1872 two_arg_branch (&td, MINT_BGE_UN_I4, 2 + (gint8) td.ip [1]);
1876 two_arg_branch (&td, MINT_BGT_UN_I4, 5 + read32 (td.ip + 1));
1880 two_arg_branch (&td, MINT_BGT_UN_I4, 2 + (gint8) td.ip [1]);
1884 two_arg_branch (&td, MINT_BLE_UN_I4, 5 + read32 (td.ip + 1));
1888 two_arg_branch (&td, MINT_BLE_UN_I4, 2 + (gint8) td.ip [1]);
1892 two_arg_branch (&td, MINT_BLT_UN_I4, 5 + read32 (td.ip + 1));
1896 two_arg_branch (&td, MINT_BLT_UN_I4, 2 + (gint8) td.ip [1]);
1901 const unsigned char *next_ip;
1904 ADD_CODE (&td, MINT_SWITCH);
1907 next_ip = td.ip + n * 4;
1909 int stack_height = td.sp - td.stack;
1910 for (i = 0; i < n; i++) {
1911 offset = read32 (td.ip);
1912 target = next_ip - td.il_code + offset;
1915 if (stack_height > 0 && stack_height != td.stack_height [target])
1916 g_warning ("SWITCH with back branch and non-empty stack");
1918 target = td.in_offsets [target] - (td.new_ip - td.new_code);
1920 td.stack_height [target] = stack_height;
1921 td.vt_stack_size [target] = td.vt_sp;
1922 if (stack_height > 0)
1923 td.stack_state [target] = g_memdup (td.stack, stack_height * sizeof (td.stack [0]));
1925 Reloc *reloc = mono_mempool_alloc0 (td.mempool, sizeof (Reloc));
1926 reloc->type = RELOC_SWITCH;
1927 reloc->offset = td.new_ip - td.new_code;
1928 reloc->target = target;
1929 g_ptr_array_add (td.relocs, reloc);
1932 WRITE32 (&td, &target);
1938 CHECK_STACK (&td, 1);
1939 SIMPLE_OP (td, MINT_LDIND_I1);
1940 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
1943 CHECK_STACK (&td, 1);
1944 SIMPLE_OP (td, MINT_LDIND_U1);
1945 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
1948 CHECK_STACK (&td, 1);
1949 SIMPLE_OP (td, MINT_LDIND_I2);
1950 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
1953 CHECK_STACK (&td, 1);
1954 SIMPLE_OP (td, MINT_LDIND_U2);
1955 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
1958 CHECK_STACK (&td, 1);
1959 SIMPLE_OP (td, MINT_LDIND_I4);
1960 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
1963 CHECK_STACK (&td, 1);
1964 SIMPLE_OP (td, MINT_LDIND_U4);
1965 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
1968 CHECK_STACK (&td, 1);
1969 SIMPLE_OP (td, MINT_LDIND_I8);
1970 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I8);
1973 CHECK_STACK (&td, 1);
1974 SIMPLE_OP (td, MINT_LDIND_I);
1976 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I);
1979 CHECK_STACK (&td, 1);
1980 SIMPLE_OP (td, MINT_LDIND_R4);
1981 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_R8);
1984 CHECK_STACK (&td, 1);
1985 SIMPLE_OP (td, MINT_LDIND_R8);
1986 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_R8);
1989 CHECK_STACK (&td, 1);
1990 SIMPLE_OP (td, MINT_LDIND_REF);
1991 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_O);
1994 CHECK_STACK (&td, 2);
1995 SIMPLE_OP (td, MINT_STIND_REF);
1999 CHECK_STACK (&td, 2);
2000 SIMPLE_OP (td, MINT_STIND_I1);
2004 CHECK_STACK (&td, 2);
2005 SIMPLE_OP (td, MINT_STIND_I2);
2009 CHECK_STACK (&td, 2);
2010 SIMPLE_OP (td, MINT_STIND_I4);
2014 CHECK_STACK (&td, 2);
2015 SIMPLE_OP (td, MINT_STIND_I);
2019 CHECK_STACK (&td, 2);
2020 SIMPLE_OP (td, MINT_STIND_I8);
2024 CHECK_STACK (&td, 2);
2025 SIMPLE_OP (td, MINT_STIND_R4);
2029 CHECK_STACK (&td, 2);
2030 SIMPLE_OP (td, MINT_STIND_R8);
2034 binary_arith_op(&td, MINT_ADD_I4);
2038 binary_arith_op(&td, MINT_SUB_I4);
2042 binary_arith_op(&td, MINT_MUL_I4);
2046 binary_arith_op(&td, MINT_DIV_I4);
2050 binary_arith_op(&td, MINT_DIV_UN_I4);
2054 binary_arith_op (&td, MINT_REM_I4);
2058 binary_arith_op (&td, MINT_REM_UN_I4);
2062 binary_arith_op (&td, MINT_AND_I4);
2066 binary_arith_op (&td, MINT_OR_I4);
2070 binary_arith_op (&td, MINT_XOR_I4);
2074 shift_op (&td, MINT_SHL_I4);
2078 shift_op (&td, MINT_SHR_I4);
2082 shift_op (&td, MINT_SHR_UN_I4);
2086 unary_arith_op (&td, MINT_NEG_I4);
2090 unary_arith_op (&td, MINT_NOT_I4);
2094 CHECK_STACK (&td, 1);
2095 switch (td.sp [-1].type) {
2097 ADD_CODE(&td, MINT_CONV_U1_R8);
2100 ADD_CODE(&td, MINT_CONV_U1_I4);
2103 ADD_CODE(&td, MINT_CONV_U1_I8);
2106 g_assert_not_reached ();
2109 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2112 CHECK_STACK (&td, 1);
2113 switch (td.sp [-1].type) {
2115 ADD_CODE(&td, MINT_CONV_I1_R8);
2118 ADD_CODE(&td, MINT_CONV_I1_I4);
2121 ADD_CODE(&td, MINT_CONV_I1_I8);
2124 g_assert_not_reached ();
2127 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2130 CHECK_STACK (&td, 1);
2131 switch (td.sp [-1].type) {
2133 ADD_CODE(&td, MINT_CONV_U2_R8);
2136 ADD_CODE(&td, MINT_CONV_U2_I4);
2139 ADD_CODE(&td, MINT_CONV_U2_I8);
2142 g_assert_not_reached ();
2145 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2148 CHECK_STACK (&td, 1);
2149 switch (td.sp [-1].type) {
2151 ADD_CODE(&td, MINT_CONV_I2_R8);
2154 ADD_CODE(&td, MINT_CONV_I2_I4);
2157 ADD_CODE(&td, MINT_CONV_I2_I8);
2160 g_assert_not_reached ();
2163 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2166 CHECK_STACK (&td, 1);
2167 switch (td.sp [-1].type) {
2169 #if SIZEOF_VOID_P == 4
2170 ADD_CODE(&td, MINT_CONV_U4_R8);
2172 ADD_CODE(&td, MINT_CONV_U8_R8);
2176 #if SIZEOF_VOID_P == 8
2177 ADD_CODE(&td, MINT_CONV_U8_I4);
2181 #if SIZEOF_VOID_P == 4
2182 ADD_CODE(&td, MINT_CONV_U4_I8);
2188 g_assert_not_reached ();
2191 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I);
2194 CHECK_STACK (&td, 1);
2195 switch (td.sp [-1].type) {
2197 #if SIZEOF_VOID_P == 8
2198 ADD_CODE(&td, MINT_CONV_I8_R8);
2200 ADD_CODE(&td, MINT_CONV_I4_R8);
2204 #if SIZEOF_VOID_P == 8
2205 ADD_CODE(&td, MINT_CONV_I8_I4);
2213 #if SIZEOF_VOID_P == 4
2214 ADD_CODE(&td, MINT_CONV_I4_I8);
2218 g_assert_not_reached ();
2221 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I);
2224 CHECK_STACK (&td, 1);
2225 switch (td.sp [-1].type) {
2227 ADD_CODE(&td, MINT_CONV_U4_R8);
2232 ADD_CODE(&td, MINT_CONV_U4_I8);
2235 #if SIZEOF_VOID_P == 8
2236 ADD_CODE(&td, MINT_CONV_U4_I8);
2240 g_assert_not_reached ();
2243 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2246 CHECK_STACK (&td, 1);
2247 switch (td.sp [-1].type) {
2249 ADD_CODE(&td, MINT_CONV_I4_R8);
2254 ADD_CODE(&td, MINT_CONV_I4_I8);
2257 #if SIZEOF_VOID_P == 8
2258 ADD_CODE(&td, MINT_CONV_I4_I8);
2262 g_assert_not_reached ();
2265 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2268 CHECK_STACK (&td, 1);
2269 switch (td.sp [-1].type) {
2271 ADD_CODE(&td, MINT_CONV_I8_R8);
2274 ADD_CODE(&td, MINT_CONV_I8_I4);
2279 #if SIZEOF_VOID_P == 4
2280 ADD_CODE(&td, MINT_CONV_I8_I4);
2284 g_assert_not_reached ();
2287 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I8);
2290 CHECK_STACK (&td, 1);
2291 switch (td.sp [-1].type) {
2293 ADD_CODE(&td, MINT_CONV_R4_R8);
2296 ADD_CODE(&td, MINT_CONV_R4_I8);
2299 ADD_CODE(&td, MINT_CONV_R4_I4);
2302 g_assert_not_reached ();
2305 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_R8);
2308 CHECK_STACK (&td, 1);
2309 switch (td.sp [-1].type) {
2311 ADD_CODE(&td, MINT_CONV_R8_I4);
2314 ADD_CODE(&td, MINT_CONV_R8_I8);
2319 g_assert_not_reached ();
2322 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_R8);
2325 CHECK_STACK (&td, 1);
2326 switch (td.sp [-1].type) {
2328 ADD_CODE(&td, MINT_CONV_U8_I4);
2333 ADD_CODE(&td, MINT_CONV_U8_R8);
2336 #if SIZEOF_VOID_P == 4
2337 ADD_CODE(&td, MINT_CONV_U8_I4);
2341 g_assert_not_reached ();
2344 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I8);
2347 CHECK_STACK (&td, 2);
2349 token = read32 (td.ip + 1);
2350 klass = mono_class_get_full (image, token, generic_context);
2352 if (klass->valuetype) {
2353 ADD_CODE (&td, MINT_CPOBJ);
2354 ADD_CODE (&td, get_data_item_index(&td, klass));
2356 ADD_CODE (&td, MINT_LDIND_REF);
2357 ADD_CODE (&td, MINT_STIND_REF);
2365 CHECK_STACK (&td, 1);
2367 token = read32 (td.ip + 1);
2369 if (method->wrapper_type != MONO_WRAPPER_NONE)
2370 klass = (MonoClass *)mono_method_get_wrapper_data (method, token);
2372 klass = mono_class_get_full (image, token, generic_context);
2374 ADD_CODE(&td, MINT_LDOBJ);
2375 ADD_CODE(&td, get_data_item_index(&td, klass));
2376 if (mint_type (&klass->byval_arg) == MINT_TYPE_VT) {
2377 size = mono_class_value_size (klass, NULL);
2381 SET_TYPE(td.sp - 1, stack_type[mint_type(&klass->byval_arg)], klass);
2386 token = mono_metadata_token_index (read32 (td.ip + 1));
2388 if (method->wrapper_type == MONO_WRAPPER_DYNAMIC_METHOD) {
2389 s = mono_method_get_wrapper_data (method, token);
2390 } else if (method->wrapper_type != MONO_WRAPPER_NONE) {
2391 s = mono_string_new_wrapper (mono_method_get_wrapper_data (method, token));
2393 s = mono_ldstr (domain, image, token);
2395 ADD_CODE(&td, MINT_LDSTR);
2396 ADD_CODE(&td, get_data_item_index (&td, s));
2397 PUSH_TYPE(&td, STACK_TYPE_O, mono_defaults.string_class);
2402 MonoMethodSignature *csignature;
2403 guint32 vt_stack_used = 0;
2404 guint32 vt_res_size = 0;
2407 token = read32 (td.ip);
2410 if (method->wrapper_type != MONO_WRAPPER_NONE)
2411 m = (MonoMethod *)mono_method_get_wrapper_data (method, token);
2413 m = mono_get_method_full (image, token, NULL, generic_context);
2415 csignature = mono_method_signature (m);
2417 td.sp -= csignature->param_count;
2418 ADD_CODE(&td, MINT_NEWOBJ);
2419 ADD_CODE(&td, get_data_item_index (&td, mono_interp_get_runtime_method (domain, m, &error)));
2420 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
2422 if (mint_type (&klass->byval_arg) == MINT_TYPE_VT) {
2423 vt_res_size = mono_class_value_size (klass, NULL);
2424 PUSH_VT (&td, vt_res_size);
2426 for (i = 0; i < csignature->param_count; ++i) {
2427 int mt = mint_type(csignature->params [i]);
2428 if (mt == MINT_TYPE_VT) {
2429 MonoClass *k = mono_class_from_mono_type (csignature->params [i]);
2430 gint32 size = mono_class_value_size (k, NULL);
2431 size = (size + 7) & ~7;
2432 vt_stack_used += size;
2435 if (vt_stack_used != 0 || vt_res_size != 0) {
2436 ADD_CODE(&td, MINT_VTRESULT);
2437 ADD_CODE(&td, vt_res_size);
2438 WRITE32(&td, &vt_stack_used);
2439 td.vt_sp -= vt_stack_used;
2441 PUSH_TYPE (&td, stack_type [mint_type (&klass->byval_arg)], klass);
2445 CHECK_STACK (&td, 1);
2446 token = read32 (td.ip + 1);
2447 klass = mini_get_class (method, token, generic_context);
2448 ADD_CODE(&td, MINT_CASTCLASS);
2449 ADD_CODE(&td, get_data_item_index (&td, klass));
2450 td.sp [-1].klass = klass;
2454 CHECK_STACK (&td, 1);
2455 token = read32 (td.ip + 1);
2456 klass = mini_get_class (method, token, generic_context);
2457 ADD_CODE(&td, MINT_ISINST);
2458 ADD_CODE(&td, get_data_item_index (&td, klass));
2462 switch (td.sp [-1].type) {
2466 ADD_CODE(&td, MINT_CONV_R_UN_I8);
2469 ADD_CODE(&td, MINT_CONV_R_UN_I4);
2472 g_assert_not_reached ();
2474 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_R8);
2478 CHECK_STACK (&td, 1);
2479 token = read32 (td.ip + 1);
2481 if (method->wrapper_type != MONO_WRAPPER_NONE)
2482 klass = (MonoClass *)mono_method_get_wrapper_data (method, token);
2484 klass = mono_class_get_full (image, token, generic_context);
2486 if (mono_class_is_nullable (klass)) {
2487 g_error ("cee_unbox: implement Nullable");
2490 ADD_CODE(&td, MINT_UNBOX);
2491 ADD_CODE(&td, get_data_item_index (&td, klass));
2492 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_MP);
2496 CHECK_STACK (&td, 1);
2497 token = read32 (td.ip + 1);
2499 klass = mini_get_class (method, token, generic_context);
2501 if (mini_type_is_reference (&klass->byval_arg)) {
2502 int mt = mint_type (&klass->byval_arg);
2503 ADD_CODE (&td, MINT_CASTCLASS);
2504 ADD_CODE (&td, get_data_item_index (&td, klass));
2505 SET_TYPE (td.sp - 1, stack_type [mt], klass);
2507 } else if (mono_class_is_nullable (klass)) {
2508 MonoMethod *target_method = mono_class_get_method_from_name (klass, "Unbox", 1);
2509 /* td.ip is incremented by interp_transform_call */
2510 interp_transform_call (&td, method, target_method, domain, generic_context, is_bb_start, body_start_offset, NULL, FALSE);
2512 int mt = mint_type (&klass->byval_arg);
2513 ADD_CODE (&td, MINT_UNBOX);
2514 ADD_CODE (&td, get_data_item_index (&td, klass));
2516 ADD_CODE (&td, MINT_LDOBJ);
2517 ADD_CODE (&td, get_data_item_index(&td, klass));
2518 SET_TYPE (td.sp - 1, stack_type [mt], klass);
2520 if (mt == MINT_TYPE_VT) {
2521 int size = mono_class_value_size (klass, NULL);
2522 PUSH_VT (&td, size);
2529 CHECK_STACK (&td, 1);
2530 SIMPLE_OP (td, MINT_THROW);
2532 generating_code = 0;
2535 CHECK_STACK (&td, 1);
2536 token = read32 (td.ip + 1);
2537 field = interp_field_from_token (method, token, &klass, generic_context);
2538 gboolean is_static = !!(field->type->attrs & FIELD_ATTRIBUTE_STATIC);
2539 mono_class_init (klass);
2541 ADD_CODE (&td, MINT_POP);
2543 ADD_CODE (&td, MINT_LDSFLDA);
2544 ADD_CODE (&td, get_data_item_index (&td, field));
2546 if ((td.sp - 1)->type == STACK_TYPE_O) {
2547 ADD_CODE (&td, MINT_LDFLDA);
2549 g_assert ((td.sp -1)->type == STACK_TYPE_MP);
2550 ADD_CODE (&td, MINT_LDFLDA_UNSAFE);
2552 ADD_CODE (&td, klass->valuetype ? field->offset - sizeof (MonoObject) : field->offset);
2555 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_MP);
2558 CHECK_STACK (&td, 1);
2559 token = read32 (td.ip + 1);
2560 field = interp_field_from_token (method, token, &klass, generic_context);
2561 gboolean is_static = !!(field->type->attrs & FIELD_ATTRIBUTE_STATIC);
2562 mono_class_init (klass);
2564 MonoClass *field_klass = mono_class_from_mono_type (field->type);
2565 mt = mint_type (&field_klass->byval_arg);
2566 #ifndef DISABLE_REMOTING
2567 if (klass->marshalbyref) {
2568 g_assert (!is_static);
2569 ADD_CODE(&td, mt == MINT_TYPE_VT ? MINT_LDRMFLD_VT : MINT_LDRMFLD);
2570 ADD_CODE(&td, get_data_item_index (&td, field));
2575 ADD_CODE (&td, MINT_POP);
2577 ADD_CODE (&td, mt == MINT_TYPE_VT ? MINT_LDSFLD_VT : MINT_LDSFLD);
2578 ADD_CODE (&td, get_data_item_index (&td, field));
2580 ADD_CODE (&td, MINT_LDFLD_I1 + mt - MINT_TYPE_I1);
2581 ADD_CODE (&td, klass->valuetype ? field->offset - sizeof(MonoObject) : field->offset);
2584 if (mt == MINT_TYPE_VT) {
2585 int size = mono_class_value_size (field_klass, NULL);
2587 WRITE32(&td, &size);
2589 if (td.sp [-1].type == STACK_TYPE_VT) {
2590 int size = mono_class_value_size (klass, NULL);
2591 size = (size + 7) & ~7;
2593 ADD_CODE (&td, MINT_VTRESULT);
2595 WRITE32 (&td, &size);
2598 SET_TYPE(td.sp - 1, stack_type [mt], field_klass);
2602 CHECK_STACK (&td, 2);
2603 token = read32 (td.ip + 1);
2604 field = interp_field_from_token (method, token, &klass, generic_context);
2605 gboolean is_static = !!(field->type->attrs & FIELD_ATTRIBUTE_STATIC);
2606 mono_class_init (klass);
2607 mt = mint_type(field->type);
2609 #ifndef DISABLE_REMOTING
2610 if (klass->marshalbyref) {
2611 g_assert (!is_static);
2612 ADD_CODE(&td, mt == MINT_TYPE_VT ? MINT_STRMFLD_VT : MINT_STRMFLD);
2613 ADD_CODE(&td, get_data_item_index (&td, field));
2618 ADD_CODE (&td, MINT_POP);
2620 ADD_CODE (&td, mt == MINT_TYPE_VT ? MINT_STSFLD_VT : MINT_STSFLD);
2621 ADD_CODE (&td, get_data_item_index (&td, field));
2623 ADD_CODE (&td, MINT_STFLD_I1 + mt - MINT_TYPE_I1);
2624 ADD_CODE (&td, klass->valuetype ? field->offset - sizeof(MonoObject) : field->offset);
2627 if (mt == MINT_TYPE_VT) {
2628 MonoClass *klass = mono_class_from_mono_type (field->type);
2629 int size = mono_class_value_size (klass, NULL);
2631 WRITE32(&td, &size);
2638 token = read32 (td.ip + 1);
2639 field = interp_field_from_token (method, token, &klass, generic_context);
2640 ADD_CODE(&td, MINT_LDSFLDA);
2641 ADD_CODE(&td, get_data_item_index (&td, field));
2643 PUSH_SIMPLE_TYPE(&td, STACK_TYPE_MP);
2646 token = read32 (td.ip + 1);
2647 field = interp_field_from_token (method, token, &klass, generic_context);
2648 mt = mint_type(field->type);
2649 ADD_CODE(&td, mt == MINT_TYPE_VT ? MINT_LDSFLD_VT : MINT_LDSFLD);
2650 ADD_CODE(&td, get_data_item_index (&td, field));
2652 if (mt == MINT_TYPE_VT) {
2653 MonoClass *klass = mono_class_from_mono_type (field->type);
2654 int size = mono_class_value_size (klass, NULL);
2656 WRITE32(&td, &size);
2657 klass = field->type->data.klass;
2659 if (mt == MINT_TYPE_O)
2660 klass = mono_class_from_mono_type (field->type);
2663 PUSH_TYPE(&td, stack_type [mt], klass);
2666 CHECK_STACK (&td, 1);
2667 token = read32 (td.ip + 1);
2668 field = interp_field_from_token (method, token, &klass, generic_context);
2669 mt = mint_type(field->type);
2670 ADD_CODE(&td, mt == MINT_TYPE_VT ? MINT_STSFLD_VT : MINT_STSFLD);
2671 ADD_CODE(&td, get_data_item_index (&td, field));
2672 if (mt == MINT_TYPE_VT) {
2673 MonoClass *klass = mono_class_from_mono_type (field->type);
2674 int size = mono_class_value_size (klass, NULL);
2676 WRITE32 (&td, &size);
2683 token = read32 (td.ip + 1);
2685 if (method->wrapper_type != MONO_WRAPPER_NONE)
2686 klass = (MonoClass *)mono_method_get_wrapper_data (method, token);
2688 klass = mini_get_class (method, token, generic_context);
2690 ADD_CODE(&td, td.sp [-1].type == STACK_TYPE_VT ? MINT_STOBJ_VT : MINT_STOBJ);
2691 ADD_CODE(&td, get_data_item_index (&td, klass));
2692 if (td.sp [-1].type == STACK_TYPE_VT) {
2693 size = mono_class_value_size (klass, NULL);
2694 size = (size + 7) & ~7;
2701 case CEE_CONV_OVF_I_UN:
2702 case CEE_CONV_OVF_U_UN:
2703 CHECK_STACK (&td, 1);
2704 switch (td.sp [-1].type) {
2706 #if SIZEOF_VOID_P == 8
2707 ADD_CODE(&td, MINT_CONV_OVF_I8_UN_R8);
2709 ADD_CODE(&td, MINT_CONV_OVF_I4_UN_R8);
2713 #if SIZEOF_VOID_P == 4
2714 ADD_CODE (&td, MINT_CONV_OVF_I4_UN_I8);
2718 #if SIZEOF_VOID_P == 8
2719 ADD_CODE(&td, MINT_CONV_I8_U4);
2720 #elif SIZEOF_VOID_P == 4
2721 if (*td.ip == CEE_CONV_OVF_I_UN)
2722 ADD_CODE(&td, MINT_CONV_OVF_I4_U4);
2726 g_assert_not_reached ();
2729 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I8);
2732 case CEE_CONV_OVF_I8_UN:
2733 case CEE_CONV_OVF_U8_UN:
2734 CHECK_STACK (&td, 1);
2735 switch (td.sp [-1].type) {
2737 ADD_CODE(&td, MINT_CONV_OVF_I8_UN_R8);
2740 if (*td.ip == CEE_CONV_OVF_I8_UN)
2741 ADD_CODE (&td, MINT_CONV_OVF_I8_U8);
2744 ADD_CODE(&td, MINT_CONV_I8_U4);
2747 g_assert_not_reached ();
2750 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I8);
2755 CHECK_STACK (&td, 1);
2756 token = read32 (td.ip + 1);
2757 if (method->wrapper_type != MONO_WRAPPER_NONE)
2758 klass = (MonoClass *)mono_method_get_wrapper_data (method, token);
2760 klass = mini_get_class (method, token, generic_context);
2762 if (mono_class_is_nullable (klass)) {
2763 MonoMethod *target_method = mono_class_get_method_from_name (klass, "Box", 1);
2764 /* td.ip is incremented by interp_transform_call */
2765 interp_transform_call (&td, method, target_method, domain, generic_context, is_bb_start, body_start_offset, NULL, FALSE);
2766 } else if (!klass->valuetype) {
2767 /* already boxed, do nothing. */
2770 if (mint_type (&klass->byval_arg) == MINT_TYPE_VT && !klass->enumtype) {
2771 size = mono_class_value_size (klass, NULL);
2772 size = (size + 7) & ~7;
2775 ADD_CODE(&td, MINT_BOX);
2776 ADD_CODE(&td, get_data_item_index (&td, klass));
2778 SET_TYPE(td.sp - 1, STACK_TYPE_O, klass);
2785 CHECK_STACK (&td, 1);
2786 token = read32 (td.ip + 1);
2788 if (method->wrapper_type != MONO_WRAPPER_NONE)
2789 klass = (MonoClass *)mono_method_get_wrapper_data (method, token);
2791 klass = mini_get_class (method, token, generic_context);
2793 unsigned char lentype = (td.sp - 1)->type;
2794 if (lentype == STACK_TYPE_I8) {
2795 /* mimic mini behaviour */
2796 ADD_CODE (&td, MINT_CONV_OVF_U4_I8);
2798 g_assert (lentype == STACK_TYPE_I4);
2799 ADD_CODE (&td, MINT_CONV_OVF_U4_I4);
2801 SET_SIMPLE_TYPE (td.sp - 1, STACK_TYPE_I4);
2802 ADD_CODE (&td, MINT_NEWARR);
2803 ADD_CODE (&td, get_data_item_index (&td, klass));
2804 SET_TYPE (td.sp - 1, STACK_TYPE_O, klass);
2809 CHECK_STACK (&td, 1);
2810 SIMPLE_OP (td, MINT_LDLEN);
2811 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I);
2814 CHECK_STACK (&td, 2);
2816 token = read32 (td.ip + 1);
2818 if (method->wrapper_type != MONO_WRAPPER_NONE)
2819 klass = (MonoClass *) mono_method_get_wrapper_data (method, token);
2821 klass = mini_get_class (method, token, generic_context);
2823 if (!klass->valuetype && method->wrapper_type == MONO_WRAPPER_NONE && !readonly) {
2824 ADD_CODE (&td, MINT_LDELEMA_TC);
2826 ADD_CODE (&td, MINT_LDELEMA);
2828 ADD_CODE (&td, get_data_item_index (&td, klass));
2829 /* according to spec, ldelema bytecode is only used for 1-dim arrays */
2835 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_MP);
2838 CHECK_STACK (&td, 2);
2840 SIMPLE_OP (td, MINT_LDELEM_I1);
2842 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2845 CHECK_STACK (&td, 2);
2847 SIMPLE_OP (td, MINT_LDELEM_U1);
2849 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2852 CHECK_STACK (&td, 2);
2854 SIMPLE_OP (td, MINT_LDELEM_I2);
2856 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2859 CHECK_STACK (&td, 2);
2861 SIMPLE_OP (td, MINT_LDELEM_U2);
2863 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2866 CHECK_STACK (&td, 2);
2868 SIMPLE_OP (td, MINT_LDELEM_I4);
2870 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2873 CHECK_STACK (&td, 2);
2875 SIMPLE_OP (td, MINT_LDELEM_U4);
2877 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2880 CHECK_STACK (&td, 2);
2882 SIMPLE_OP (td, MINT_LDELEM_I8);
2884 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I8);
2887 CHECK_STACK (&td, 2);
2889 SIMPLE_OP (td, MINT_LDELEM_I);
2891 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I);
2894 CHECK_STACK (&td, 2);
2896 SIMPLE_OP (td, MINT_LDELEM_R4);
2898 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_R8);
2901 CHECK_STACK (&td, 2);
2903 SIMPLE_OP (td, MINT_LDELEM_R8);
2905 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_R8);
2907 case CEE_LDELEM_REF:
2908 CHECK_STACK (&td, 2);
2910 SIMPLE_OP (td, MINT_LDELEM_REF);
2912 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_O);
2915 CHECK_STACK (&td, 2);
2916 token = read32 (td.ip + 1);
2917 klass = mini_get_class (method, token, generic_context);
2918 switch (mint_type (&klass->byval_arg)) {
2921 SIMPLE_OP (td, MINT_LDELEM_I1);
2923 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2927 SIMPLE_OP (td, MINT_LDELEM_U1);
2929 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2933 SIMPLE_OP (td, MINT_LDELEM_U2);
2935 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2939 SIMPLE_OP (td, MINT_LDELEM_I2);
2941 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2945 SIMPLE_OP (td, MINT_LDELEM_I4);
2947 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2951 SIMPLE_OP (td, MINT_LDELEM_I8);
2953 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I8);
2957 SIMPLE_OP (td, MINT_LDELEM_R4);
2959 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_R8);
2963 SIMPLE_OP (td, MINT_LDELEM_R8);
2965 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_R8);
2969 SIMPLE_OP (td, MINT_LDELEM_REF);
2971 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_O);
2973 case MINT_TYPE_VT: {
2974 int size = mono_class_value_size (klass, NULL);
2976 SIMPLE_OP (td, MINT_LDELEM_VT);
2977 ADD_CODE (&td, get_data_item_index (&td, klass));
2978 WRITE32 (&td, &size);
2980 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_VT);
2981 PUSH_VT (&td, size);
2985 GString *res = g_string_new ("");
2986 mono_type_get_desc (res, &klass->byval_arg, TRUE);
2987 g_print ("LDELEM: %s -> %d (%s)\n", klass->name, mint_type (&klass->byval_arg), res->str);
2988 g_string_free (res, TRUE);
2996 CHECK_STACK (&td, 3);
2998 SIMPLE_OP (td, MINT_STELEM_I);
3002 CHECK_STACK (&td, 3);
3004 SIMPLE_OP (td, MINT_STELEM_I1);
3008 CHECK_STACK (&td, 3);
3010 SIMPLE_OP (td, MINT_STELEM_I2);
3014 CHECK_STACK (&td, 3);
3016 SIMPLE_OP (td, MINT_STELEM_I4);
3020 CHECK_STACK (&td, 3);
3022 SIMPLE_OP (td, MINT_STELEM_I8);
3026 CHECK_STACK (&td, 3);
3028 SIMPLE_OP (td, MINT_STELEM_R4);
3032 CHECK_STACK (&td, 3);
3034 SIMPLE_OP (td, MINT_STELEM_R8);
3037 case CEE_STELEM_REF:
3038 CHECK_STACK (&td, 3);
3040 SIMPLE_OP (td, MINT_STELEM_REF);
3044 CHECK_STACK (&td, 3);
3046 token = read32 (td.ip + 1);
3047 klass = mini_get_class (method, token, generic_context);
3048 switch (mint_type (&klass->byval_arg)) {
3050 SIMPLE_OP (td, MINT_STELEM_U1);
3053 SIMPLE_OP (td, MINT_STELEM_U2);
3056 SIMPLE_OP (td, MINT_STELEM_I4);
3059 SIMPLE_OP (td, MINT_STELEM_I8);
3062 SIMPLE_OP (td, MINT_STELEM_REF);
3064 case MINT_TYPE_VT: {
3065 int size = mono_class_value_size (klass, NULL);
3066 SIMPLE_OP (td, MINT_STELEM_VT);
3067 ADD_CODE (&td, get_data_item_index (&td, klass));
3068 WRITE32 (&td, &size);
3073 GString *res = g_string_new ("");
3074 mono_type_get_desc (res, &klass->byval_arg, TRUE);
3075 g_print ("STELEM: %s -> %d (%s)\n", klass->name, mint_type (&klass->byval_arg), res->str);
3076 g_string_free (res, TRUE);
3085 case CEE_CONV_OVF_U1:
3087 case CEE_CONV_OVF_I8:
3089 #if SIZEOF_VOID_P == 8
3090 case CEE_CONV_OVF_U:
3094 CHECK_STACK (&td, 1);
3095 SIMPLE_OP (td, MINT_CKFINITE);
3098 CHECK_STACK (&td, 1);
3100 token = read32 (td.ip + 1);
3101 klass = mini_get_class (method, token, generic_context);
3103 ADD_CODE (&td, MINT_MKREFANY);
3104 ADD_CODE (&td, get_data_item_index (&td, klass));
3107 PUSH_VT (&td, sizeof (MonoTypedRef));
3108 SET_TYPE(td.sp - 1, STACK_TYPE_VT, mono_defaults.typed_reference_class);
3110 case CEE_REFANYVAL: {
3111 CHECK_STACK (&td, 1);
3113 token = read32 (td.ip + 1);
3115 ADD_CODE (&td, MINT_REFANYVAL);
3117 POP_VT (&td, sizeof (MonoTypedRef));
3118 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_MP);
3123 case CEE_CONV_OVF_I1:
3124 case CEE_CONV_OVF_I1_UN:
3125 CHECK_STACK (&td, 1);
3126 switch (td.sp [-1].type) {
3128 ADD_CODE(&td, MINT_CONV_OVF_I1_R8);
3131 ADD_CODE(&td, MINT_CONV_OVF_I1_I4);
3134 ADD_CODE(&td, MINT_CONV_OVF_I1_I8);
3137 g_assert_not_reached ();
3140 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
3142 case CEE_CONV_OVF_U1:
3143 case CEE_CONV_OVF_U1_UN:
3144 CHECK_STACK (&td, 1);
3145 switch (td.sp [-1].type) {
3147 ADD_CODE(&td, MINT_CONV_OVF_U1_R8);
3150 ADD_CODE(&td, MINT_CONV_OVF_U1_I4);
3153 ADD_CODE(&td, MINT_CONV_OVF_U1_I8);
3156 g_assert_not_reached ();
3159 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
3161 case CEE_CONV_OVF_I2:
3162 case CEE_CONV_OVF_I2_UN:
3163 CHECK_STACK (&td, 1);
3164 switch (td.sp [-1].type) {
3166 ADD_CODE(&td, MINT_CONV_OVF_I2_R8);
3169 ADD_CODE(&td, MINT_CONV_OVF_I2_I4);
3172 ADD_CODE(&td, MINT_CONV_OVF_I2_I8);
3175 g_assert_not_reached ();
3178 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
3180 case CEE_CONV_OVF_U2_UN:
3181 case CEE_CONV_OVF_U2:
3182 CHECK_STACK (&td, 1);
3183 switch (td.sp [-1].type) {
3185 ADD_CODE(&td, MINT_CONV_OVF_U2_R8);
3188 ADD_CODE(&td, MINT_CONV_OVF_U2_I4);
3191 ADD_CODE(&td, MINT_CONV_OVF_U2_I8);
3194 g_assert_not_reached ();
3197 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
3199 #if SIZEOF_VOID_P == 4
3200 case CEE_CONV_OVF_I:
3202 case CEE_CONV_OVF_I4:
3203 case CEE_CONV_OVF_I4_UN:
3204 CHECK_STACK (&td, 1);
3205 switch (td.sp [-1].type) {
3207 ADD_CODE(&td, MINT_CONV_OVF_I4_R8);
3210 if (*td.ip == CEE_CONV_OVF_I4_UN)
3211 ADD_CODE(&td, MINT_CONV_OVF_I4_U4);
3214 if (*td.ip == CEE_CONV_OVF_I4_UN)
3215 ADD_CODE (&td, MINT_CONV_OVF_I4_U8);
3217 ADD_CODE (&td, MINT_CONV_OVF_I4_I8);
3220 g_assert_not_reached ();
3223 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
3225 #if SIZEOF_VOID_P == 4
3226 case CEE_CONV_OVF_U:
3228 case CEE_CONV_OVF_U4:
3229 case CEE_CONV_OVF_U4_UN:
3230 CHECK_STACK (&td, 1);
3231 switch (td.sp [-1].type) {
3233 ADD_CODE(&td, MINT_CONV_OVF_U4_R8);
3236 if (*td.ip != CEE_CONV_OVF_U4_UN)
3237 ADD_CODE(&td, MINT_CONV_OVF_U4_I4);
3240 ADD_CODE(&td, MINT_CONV_OVF_U4_I8);
3243 g_assert_not_reached ();
3246 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
3248 #if SIZEOF_VOID_P == 8
3249 case CEE_CONV_OVF_I:
3251 case CEE_CONV_OVF_I8:
3252 CHECK_STACK (&td, 1);
3253 switch (td.sp [-1].type) {
3255 ADD_CODE(&td, MINT_CONV_OVF_I8_R8);
3258 ADD_CODE(&td, MINT_CONV_I8_I4);
3263 g_assert_not_reached ();
3266 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I8);
3268 #if SIZEOF_VOID_P == 8
3269 case CEE_CONV_OVF_U:
3271 case CEE_CONV_OVF_U8:
3272 CHECK_STACK (&td, 1);
3273 switch (td.sp [-1].type) {
3275 ADD_CODE(&td, MINT_CONV_OVF_U8_R8);
3278 ADD_CODE(&td, MINT_CONV_OVF_U8_I4);
3281 ADD_CODE (&td, MINT_CONV_OVF_U8_I8);
3284 g_assert_not_reached ();
3287 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I8);
3292 token = read32 (td.ip + 1);
3293 if (method->wrapper_type == MONO_WRAPPER_DYNAMIC_METHOD || method->wrapper_type == MONO_WRAPPER_SYNCHRONIZED) {
3294 handle = mono_method_get_wrapper_data (method, token);
3295 klass = (MonoClass *) mono_method_get_wrapper_data (method, token + 1);
3296 if (klass == mono_defaults.typehandle_class)
3297 handle = &((MonoClass *) handle)->byval_arg;
3299 if (generic_context) {
3300 handle = mono_class_inflate_generic_type_checked (handle, generic_context, &error);
3301 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
3304 handle = mono_ldtoken (image, token, &klass, generic_context);
3306 mono_class_init (klass);
3307 mt = mint_type (&klass->byval_arg);
3308 g_assert (mt == MINT_TYPE_VT);
3309 size = mono_class_value_size (klass, NULL);
3310 g_assert (size == sizeof(gpointer));
3311 PUSH_VT (&td, sizeof(gpointer));
3312 ADD_CODE (&td, MINT_LDTOKEN);
3313 ADD_CODE (&td, get_data_item_index (&td, handle));
3315 SET_TYPE (td.sp, stack_type [mt], klass);
3321 binary_arith_op(&td, MINT_ADD_OVF_I4);
3324 case CEE_ADD_OVF_UN:
3325 binary_arith_op(&td, MINT_ADD_OVF_UN_I4);
3329 binary_arith_op(&td, MINT_MUL_OVF_I4);
3332 case CEE_MUL_OVF_UN:
3333 binary_arith_op(&td, MINT_MUL_OVF_UN_I4);
3337 binary_arith_op(&td, MINT_SUB_OVF_I4);
3340 case CEE_SUB_OVF_UN:
3341 binary_arith_op(&td, MINT_SUB_OVF_UN_I4);
3344 case CEE_ENDFINALLY:
3345 g_assert (td.clause_indexes [in_offset] != -1);
3347 SIMPLE_OP (td, MINT_ENDFINALLY);
3348 ADD_CODE (&td, td.clause_indexes [in_offset]);
3349 generating_code = 0;
3353 handle_branch (&td, MINT_LEAVE_S, MINT_LEAVE, 5 + read32 (td.ip + 1));
3355 generating_code = 0;
3359 handle_branch (&td, MINT_LEAVE_S, MINT_LEAVE, 2 + (gint8)td.ip [1]);
3361 generating_code = 0;
3366 case CEE_MONO_CALLI_EXTRA_ARG:
3367 /* Same as CEE_CALLI, except that we drop the extra arg required for llvm specific behaviour */
3368 ADD_CODE (&td, MINT_POP);
3371 interp_transform_call (&td, method, NULL, domain, generic_context, is_bb_start, body_start_offset, NULL, FALSE);
3373 case CEE_MONO_JIT_ICALL_ADDR: {
3376 MonoJitICallInfo *info;
3378 token = read32 (td.ip + 1);
3380 func = mono_method_get_wrapper_data (method, token);
3381 info = mono_find_jit_icall_by_addr (func);
3383 ADD_CODE (&td, MINT_LDFTN);
3384 ADD_CODE (&td, get_data_item_index (&td, func));
3385 PUSH_SIMPLE_TYPE (&td, STACK_TYPE_I);
3388 case CEE_MONO_ICALL: {
3391 MonoJitICallInfo *info;
3393 token = read32 (td.ip + 1);
3395 func = mono_method_get_wrapper_data (method, token);
3396 info = mono_find_jit_icall_by_addr (func);
3399 CHECK_STACK (&td, info->sig->param_count);
3400 switch (info->sig->param_count) {
3402 if (MONO_TYPE_IS_VOID (info->sig->ret))
3403 ADD_CODE (&td,MINT_ICALL_V_V);
3405 ADD_CODE (&td, MINT_ICALL_V_P);
3408 if (MONO_TYPE_IS_VOID (info->sig->ret))
3409 ADD_CODE (&td,MINT_ICALL_P_V);
3411 ADD_CODE (&td,MINT_ICALL_P_P);
3414 if (MONO_TYPE_IS_VOID (info->sig->ret)) {
3415 if (info->sig->params [1]->type == MONO_TYPE_I4)
3416 ADD_CODE (&td,MINT_ICALL_PI_V);
3418 ADD_CODE (&td,MINT_ICALL_PP_V);
3420 if (info->sig->params [1]->type == MONO_TYPE_I4)
3421 ADD_CODE (&td,MINT_ICALL_PI_P);
3423 ADD_CODE (&td,MINT_ICALL_PP_P);
3427 g_assert (MONO_TYPE_IS_VOID (info->sig->ret));
3428 if (info->sig->params [2]->type == MONO_TYPE_I4)
3429 ADD_CODE (&td,MINT_ICALL_PPI_V);
3431 ADD_CODE (&td,MINT_ICALL_PPP_V);
3434 g_assert_not_reached ();
3437 if (func == mono_ftnptr_to_delegate) {
3438 g_error ("TODO: ?");
3440 ADD_CODE(&td, get_data_item_index (&td, func));
3441 td.sp -= info->sig->param_count;
3443 if (!MONO_TYPE_IS_VOID (info->sig->ret)) {
3445 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I);
3449 case CEE_MONO_VTADDR: {
3451 CHECK_STACK (&td, 1);
3452 if (method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE)
3453 size = mono_class_native_size(td.sp [-1].klass, NULL);
3455 size = mono_class_value_size(td.sp [-1].klass, NULL);
3456 size = (size + 7) & ~7;
3457 ADD_CODE(&td, MINT_VTRESULT);
3459 WRITE32(&td, &size);
3462 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_MP);
3465 case CEE_MONO_LDPTR:
3466 case CEE_MONO_CLASSCONST:
3467 token = read32 (td.ip + 1);
3469 ADD_CODE(&td, MINT_MONO_LDPTR);
3470 ADD_CODE(&td, get_data_item_index (&td, mono_method_get_wrapper_data (method, token)));
3471 td.sp [0].type = STACK_TYPE_I;
3474 case CEE_MONO_OBJADDR:
3475 CHECK_STACK (&td, 1);
3477 td.sp[-1].type = STACK_TYPE_MP;
3480 case CEE_MONO_NEWOBJ:
3481 token = read32 (td.ip + 1);
3483 ADD_CODE(&td, MINT_MONO_NEWOBJ);
3484 ADD_CODE(&td, get_data_item_index (&td, mono_method_get_wrapper_data (method, token)));
3485 td.sp [0].type = STACK_TYPE_O;
3488 case CEE_MONO_RETOBJ:
3489 CHECK_STACK (&td, 1);
3490 token = read32 (td.ip + 1);
3492 ADD_CODE(&td, MINT_MONO_RETOBJ);
3495 klass = (MonoClass *)mono_method_get_wrapper_data (method, token);
3497 /*stackval_from_data (signature->ret, frame->retval, sp->data.vt, signature->pinvoke);*/
3499 if (td.sp > td.stack)
3500 g_warning ("CEE_MONO_RETOBJ: more values on stack: %d", td.sp-td.stack);
3502 case CEE_MONO_LDNATIVEOBJ:
3503 token = read32 (td.ip + 1);
3505 klass = (MonoClass *)mono_method_get_wrapper_data (method, token);
3506 g_assert(klass->valuetype);
3507 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_MP);
3509 case CEE_MONO_TLS: {
3510 gint32 key = read32 (td.ip + 1);
3512 g_assert (key < TLS_KEY_NUM);
3513 ADD_CODE (&td, MINT_MONO_TLS);
3514 WRITE32 (&td, &key);
3515 PUSH_SIMPLE_TYPE (&td, STACK_TYPE_MP);
3518 case CEE_MONO_ATOMIC_STORE_I4:
3519 CHECK_STACK (&td, 2);
3520 SIMPLE_OP (td, MINT_MONO_ATOMIC_STORE_I4);
3524 case CEE_MONO_SAVE_LMF:
3525 case CEE_MONO_RESTORE_LMF:
3526 case CEE_MONO_NOT_TAKEN:
3529 case CEE_MONO_LDPTR_INT_REQ_FLAG:
3530 ADD_CODE (&td, MINT_MONO_LDPTR);
3531 ADD_CODE (&td, get_data_item_index (&td, mono_thread_interruption_request_flag ()));
3532 PUSH_TYPE (&td, STACK_TYPE_MP, NULL);
3535 case CEE_MONO_JIT_ATTACH:
3536 ADD_CODE (&td, MINT_MONO_JIT_ATTACH);
3539 case CEE_MONO_JIT_DETACH:
3540 ADD_CODE (&td, MINT_MONO_JIT_DETACH);
3544 g_error ("transform.c: Unimplemented opcode: 0xF0 %02x at 0x%x\n", *td.ip, td.ip-header->code);
3554 case CEE_PREFIXREF: ves_abort(); break;
3557 * Note: Exceptions thrown when executing a prefixed opcode need
3558 * to take into account the number of prefix bytes (usually the
3559 * throw point is just (ip - n_prefix_bytes).
3565 case CEE_ARGLIST: ves_abort(); break;
3568 CHECK_STACK(&td, 2);
3569 if (td.sp [-1].type == STACK_TYPE_O || td.sp [-1].type == STACK_TYPE_MP)
3570 ADD_CODE(&td, MINT_CEQ_I4 + STACK_TYPE_I - STACK_TYPE_I4);
3572 ADD_CODE(&td, MINT_CEQ_I4 + td.sp [-1].type - STACK_TYPE_I4);
3574 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
3578 CHECK_STACK(&td, 2);
3579 if (td.sp [-1].type == STACK_TYPE_O || td.sp [-1].type == STACK_TYPE_MP)
3580 ADD_CODE(&td, MINT_CGT_I4 + STACK_TYPE_I - STACK_TYPE_I4);
3582 ADD_CODE(&td, MINT_CGT_I4 + td.sp [-1].type - STACK_TYPE_I4);
3584 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
3588 CHECK_STACK(&td, 2);
3589 if (td.sp [-1].type == STACK_TYPE_O || td.sp [-1].type == STACK_TYPE_MP)
3590 ADD_CODE(&td, MINT_CGT_UN_I4 + STACK_TYPE_I - STACK_TYPE_I4);
3592 ADD_CODE(&td, MINT_CGT_UN_I4 + td.sp [-1].type - STACK_TYPE_I4);
3594 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
3598 CHECK_STACK(&td, 2);
3599 if (td.sp [-1].type == STACK_TYPE_O || td.sp [-1].type == STACK_TYPE_MP)
3600 ADD_CODE(&td, MINT_CLT_I4 + STACK_TYPE_I - STACK_TYPE_I4);
3602 ADD_CODE(&td, MINT_CLT_I4 + td.sp [-1].type - STACK_TYPE_I4);
3604 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
3608 CHECK_STACK(&td, 2);
3609 if (td.sp [-1].type == STACK_TYPE_O || td.sp [-1].type == STACK_TYPE_MP)
3610 ADD_CODE(&td, MINT_CLT_UN_I4 + STACK_TYPE_I - STACK_TYPE_I4);
3612 ADD_CODE(&td, MINT_CLT_UN_I4 + td.sp [-1].type - STACK_TYPE_I4);
3614 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
3617 case CEE_LDVIRTFTN: /* fallthrough */
3620 if (*td.ip == CEE_LDVIRTFTN) {
3621 CHECK_STACK (&td, 1);
3624 token = read32 (td.ip + 1);
3625 if (method->wrapper_type != MONO_WRAPPER_NONE)
3626 m = (MonoMethod *)mono_method_get_wrapper_data (method, token);
3628 m = mono_get_method_full (image, token, NULL, generic_context);
3630 if (method->wrapper_type == MONO_WRAPPER_NONE && m->iflags & METHOD_IMPL_ATTRIBUTE_SYNCHRONIZED)
3631 m = mono_marshal_get_synchronized_wrapper (m);
3633 ADD_CODE(&td, *td.ip == CEE_LDFTN ? MINT_LDFTN : MINT_LDVIRTFTN);
3634 ADD_CODE(&td, get_data_item_index (&td, mono_interp_get_runtime_method (domain, m, &error)));
3635 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
3637 PUSH_SIMPLE_TYPE (&td, STACK_TYPE_F);
3641 load_arg (&td, read16 (td.ip + 1));
3645 int n = read16 (td.ip + 1);
3646 ADD_CODE (&td, MINT_LDARGA);
3647 ADD_CODE (&td, td.rtm->arg_offsets [n]); /* FIX for large offsets */
3648 PUSH_SIMPLE_TYPE(&td, STACK_TYPE_MP);
3653 store_arg (&td, read16 (td.ip + 1));
3657 load_local (&td, read16 (td.ip + 1));
3661 ADD_CODE(&td, MINT_LDLOCA_S);
3662 ADD_CODE(&td, td.rtm->local_offsets [read16 (td.ip + 1)]);
3663 PUSH_SIMPLE_TYPE(&td, STACK_TYPE_MP);
3667 store_local (&td, read16 (td.ip + 1));
3671 CHECK_STACK (&td, 1);
3672 #if SIZEOF_VOID_P == 8
3673 if (td.sp [-1].type == STACK_TYPE_I8)
3674 ADD_CODE(&td, MINT_CONV_I4_I8);
3676 ADD_CODE(&td, MINT_LOCALLOC);
3677 if (td.sp != td.stack + 1)
3678 g_warning("CEE_LOCALLOC: stack not empty");
3680 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_MP);
3683 case CEE_UNUSED57: ves_abort(); break;
3686 ADD_CODE (&td, MINT_ENDFILTER);
3689 case CEE_UNALIGNED_:
3694 /* FIX: should do something? */;
3698 /* FIX: should do something? */;
3701 CHECK_STACK(&td, 1);
3702 token = read32 (td.ip + 1);
3703 klass = mini_get_class (method, token, generic_context);
3704 if (klass->valuetype) {
3705 ADD_CODE (&td, MINT_INITOBJ);
3706 i32 = mono_class_value_size (klass, NULL);
3707 WRITE32 (&td, &i32);
3709 ADD_CODE (&td, MINT_LDNULL);
3710 ADD_CODE (&td, MINT_STIND_REF);
3716 CHECK_STACK(&td, 3);
3717 /* FIX? convert length to I8? */
3718 ADD_CODE(&td, MINT_CPBLK);
3726 case CEE_CONSTRAINED_:
3727 token = read32 (td.ip + 1);
3728 constrained_class = mini_get_class (method, token, generic_context);
3729 mono_class_init (constrained_class);
3733 CHECK_STACK(&td, 3);
3734 ADD_CODE(&td, MINT_INITBLK);
3740 /* FIXME: implement */
3745 int clause_index = td.clause_indexes [in_offset];
3746 g_assert (clause_index != -1);
3747 SIMPLE_OP (td, MINT_RETHROW);
3748 ADD_CODE (&td, rtm->exvar_offsets [clause_index]);
3749 generating_code = 0;
3754 token = read32 (td.ip + 1);
3756 if (mono_metadata_token_table (token) == MONO_TABLE_TYPESPEC && !image_is_dynamic (method->klass->image) && !generic_context) {
3758 MonoType *type = mono_type_create_from_typespec (image, token);
3759 size = mono_type_size (type, &align);
3762 MonoClass *szclass = mini_get_class (method, token, generic_context);
3763 mono_class_init (szclass);
3765 if (!szclass->valuetype)
3766 THROW_EX (mono_exception_from_name (mono_defaults.corlib, "System", "InvalidProgramException"), ip - 5);
3768 size = mono_type_size (&szclass->byval_arg, &align);
3770 ADD_CODE(&td, MINT_LDC_I4);
3771 WRITE32(&td, &size);
3772 PUSH_SIMPLE_TYPE(&td, STACK_TYPE_I4);
3775 case CEE_REFANYTYPE:
3776 ADD_CODE (&td, MINT_REFANYTYPE);
3778 POP_VT (&td, sizeof (MonoTypedRef));
3779 PUSH_VT (&td, sizeof (gpointer));
3780 SET_TYPE(td.sp - 1, STACK_TYPE_VT, NULL);
3783 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);
3787 g_error ("transform.c: Unimplemented opcode: %02x at 0x%x\n", *td.ip, td.ip-header->code);
3790 if (td.new_ip - td.new_code != new_in_start_offset)
3791 td.last_new_ip = td.new_code + new_in_start_offset;
3792 else if (td.is_bb_start [td.in_start - td.il_code])
3793 td.is_bb_start [td.ip - td.il_code] = 1;
3795 td.last_ip = td.in_start;
3798 /* Handle relocations */
3799 for (int i = 0; i < td.relocs->len; ++i) {
3800 Reloc *reloc = g_ptr_array_index (td.relocs, i);
3802 int offset = td.in_offsets [reloc->target] - reloc->offset;
3804 switch (reloc->type) {
3805 case RELOC_SHORT_BRANCH:
3806 g_assert (td.new_code [reloc->offset + 1] == 0xffff);
3807 td.new_code [reloc->offset + 1] = offset;
3809 case RELOC_LONG_BRANCH: {
3810 guint16 *v = (guint16 *) &offset;
3811 g_assert (td.new_code [reloc->offset + 1] == 0xbeef);
3812 g_assert (td.new_code [reloc->offset + 2] == 0xdead);
3813 td.new_code [reloc->offset + 1] = *(guint16 *) v;
3814 td.new_code [reloc->offset + 2] = *(guint16 *) (v + 1);
3817 case RELOC_SWITCH: {
3818 guint16 *v = (guint16*)&offset;
3819 td.new_code [reloc->offset] = *(guint16*)v;
3820 td.new_code [reloc->offset + 1] = *(guint16*)(v + 1);
3824 g_assert_not_reached ();
3829 if (td.verbose_level) {
3830 const guint16 *p = td.new_code;
3831 printf("Runtime method: %s %p, VT stack size: %d\n", mono_method_full_name (method, TRUE), rtm, td.max_vt_sp);
3832 printf("Calculated stack size: %d, stated size: %d\n", td.max_stack_height, header->max_stack);
3833 while (p < td.new_ip) {
3834 p = mono_interp_dis_mintop(td.new_code, p);
3838 g_assert (td.max_stack_height <= (header->max_stack + 1));
3840 int code_len = td.new_ip - td.new_code;
3842 rtm->clauses = mono_domain_alloc0 (domain, header->num_clauses * sizeof (MonoExceptionClause));
3843 memcpy (rtm->clauses, header->clauses, header->num_clauses * sizeof(MonoExceptionClause));
3844 rtm->code = mono_domain_alloc0 (domain, (td.new_ip - td.new_code) * sizeof (gushort));
3845 memcpy (rtm->code, td.new_code, (td.new_ip - td.new_code) * sizeof(gushort));
3846 g_free (td.new_code);
3847 rtm->new_body_start = rtm->code + body_start_offset;
3848 rtm->num_clauses = header->num_clauses;
3849 for (i = 0; i < header->num_clauses; i++) {
3850 MonoExceptionClause *c = rtm->clauses + i;
3851 int end_off = c->try_offset + c->try_len;
3852 c->try_offset = td.in_offsets [c->try_offset];
3853 c->try_len = td.in_offsets [end_off] - c->try_offset;
3854 end_off = c->handler_offset + c->handler_len;
3855 c->handler_offset = td.in_offsets [c->handler_offset];
3856 c->handler_len = td.in_offsets [end_off] - c->handler_offset;
3857 if (c->flags & MONO_EXCEPTION_CLAUSE_FILTER)
3858 c->data.filter_offset = td.in_offsets [c->data.filter_offset];
3860 rtm->vt_stack_size = td.max_vt_sp;
3861 rtm->alloca_size = rtm->locals_size + rtm->args_size + rtm->vt_stack_size + rtm->stack_size;
3862 rtm->data_items = mono_domain_alloc0 (domain, td.n_data_items * sizeof (td.data_items [0]));
3863 memcpy (rtm->data_items, td.data_items, td.n_data_items * sizeof (td.data_items [0]));
3865 /* Save debug info */
3866 interp_save_debug_info (rtm, header, &td, line_numbers);
3868 /* Create a MonoJitInfo for the interpreted method by creating the interpreter IR as the native code. */
3869 int jinfo_len = mono_jit_info_size (0, header->num_clauses, 0);
3870 MonoJitInfo *jinfo = (MonoJitInfo *)mono_domain_alloc0 (domain, jinfo_len);
3871 jinfo->is_interp = 1;
3873 mono_jit_info_init (jinfo, method, (guint8*)rtm->code, code_len, 0, header->num_clauses, 0);
3874 for (i = 0; i < jinfo->num_clauses; ++i) {
3875 MonoJitExceptionInfo *ei = &jinfo->clauses [i];
3876 MonoExceptionClause *c = rtm->clauses + i;
3878 ei->flags = c->flags;
3879 ei->try_start = (guint8*)(rtm->code + c->try_offset);
3880 ei->try_end = (guint8*)(rtm->code + c->try_offset + c->try_len);
3881 ei->handler_start = (guint8*)(rtm->code + c->handler_offset);
3882 ei->exvar_offset = rtm->exvar_offsets [i];
3883 if (ei->flags == MONO_EXCEPTION_CLAUSE_FILTER) {
3884 ei->data.filter = (guint8*)(rtm->code + c->data.filter_offset);
3885 } else if (ei->flags == MONO_EXCEPTION_CLAUSE_FINALLY) {
3887 ei->data.catch_class = c->data.catch_class;
3891 save_seq_points (&td);
3893 g_free (td.in_offsets);
3894 for (i = 0; i < header->code_size; ++i)
3895 g_free (td.stack_state [i]);
3896 g_free (td.stack_state);
3897 g_free (td.stack_height);
3898 g_free (td.vt_stack_size);
3899 g_free (td.data_items);
3901 g_hash_table_destroy (td.data_hash);
3902 g_free (td.clause_indexes);
3903 g_ptr_array_free (td.seq_points, TRUE);
3904 g_array_free (line_numbers, TRUE);
3905 g_ptr_array_free (td.relocs, TRUE);
3906 mono_mempool_destroy (td.mempool);
3909 static mono_mutex_t calc_section;
3912 mono_interp_transform_init (void)
3914 mono_os_mutex_init_recursive(&calc_section);
3918 mono_interp_transform_method (RuntimeMethod *runtime_method, ThreadContext *context)
3920 int i, align, size, offset;
3921 MonoMethod *method = runtime_method->method;
3922 MonoImage *image = method->klass->image;
3923 MonoMethodHeader *header = mono_method_get_header (method);
3924 MonoMethodSignature *signature = mono_method_signature (method);
3925 register const unsigned char *ip, *end;
3926 const MonoOpcode *opcode;
3929 unsigned char *is_bb_start;
3931 MonoVTable *method_class_vt;
3933 MonoGenericContext *generic_context = NULL;
3934 MonoDomain *domain = runtime_method->domain;
3936 // g_printerr ("TRANSFORM(0x%016lx): begin %s::%s\n", mono_thread_current (), method->klass->name, method->name);
3937 method_class_vt = mono_class_vtable (domain, runtime_method->method->klass);
3938 if (!method_class_vt->initialized) {
3941 MonoInvocation *last_env_frame = context->env_frame;
3942 jmp_buf *old_env = context->current_env;
3943 error_init (&error);
3946 MonoException *failed = context->env_frame->ex;
3947 context->env_frame->ex = NULL;
3948 context->env_frame = last_env_frame;
3949 context->current_env = old_env;
3952 context->env_frame = context->current_frame;
3953 context->current_env = &env;
3954 mono_runtime_class_init_full (method_class_vt, &error);
3955 if (!mono_error_ok (&error)) {
3956 return mono_error_convert_to_exception (&error);
3958 context->env_frame = last_env_frame;
3959 context->current_env = old_env;
3962 mono_profiler_method_jit (method); /* sort of... */
3964 if (mono_method_signature (method)->is_inflated)
3965 generic_context = mono_method_get_context (method);
3967 MonoGenericContainer *generic_container = mono_method_get_generic_container (method);
3968 if (generic_container)
3969 generic_context = &generic_container->context;
3972 if (method->iflags & (METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL | METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
3973 MonoMethod *nm = NULL;
3974 mono_os_mutex_lock(&calc_section);
3975 if (runtime_method->transformed) {
3976 mono_os_mutex_unlock(&calc_section);
3977 mono_profiler_method_end_jit (method, runtime_method->jinfo, MONO_PROFILE_OK);
3981 /* assumes all internal calls with an array this are built in... */
3982 if (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL && (! mono_method_signature (method)->hasthis || method->klass->rank == 0)) {
3983 nm = mono_marshal_get_native_wrapper (method, TRUE, FALSE);
3984 signature = mono_method_signature (nm);
3986 const char *name = method->name;
3987 if (method->klass->parent == mono_defaults.multicastdelegate_class) {
3988 if (*name == '.' && (strcmp (name, ".ctor") == 0)) {
3989 MonoJitICallInfo *mi = mono_find_jit_icall_by_name ("ves_icall_mono_delegate_ctor");
3991 char *wrapper_name = g_strdup_printf ("__icall_wrapper_%s", mi->name);
3992 nm = mono_marshal_get_icall_wrapper (mi->sig, wrapper_name, mi->func, TRUE);
3993 } else if (*name == 'I' && (strcmp (name, "Invoke") == 0)) {
3994 nm = mono_marshal_get_delegate_invoke (method, NULL);
3995 } else if (*name == 'B' && (strcmp (name, "BeginInvoke") == 0)) {
3996 nm = mono_marshal_get_delegate_begin_invoke (method);
3997 } else if (*name == 'E' && (strcmp (name, "EndInvoke") == 0)) {
3998 nm = mono_marshal_get_delegate_end_invoke (method);
4002 runtime_method->code = g_malloc(sizeof(short));
4003 runtime_method->code[0] = MINT_CALLRUN;
4007 runtime_method->stack_size = sizeof (stackval); /* for tracing */
4008 runtime_method->alloca_size = runtime_method->stack_size;
4009 runtime_method->transformed = TRUE;
4010 mono_os_mutex_unlock(&calc_section);
4011 mono_profiler_method_end_jit (method, NULL, MONO_PROFILE_OK);
4015 header = mono_method_get_header (nm);
4016 mono_os_mutex_unlock(&calc_section);
4017 } else if (method->klass == mono_defaults.array_class) {
4018 if (!strcmp (method->name, "UnsafeMov") || !strcmp (method->name, "UnsafeLoad")) {
4019 mono_os_mutex_lock (&calc_section);
4020 if (!runtime_method->transformed) {
4021 runtime_method->code = g_malloc (sizeof (short));
4022 runtime_method->code[0] = MINT_CALLRUN;
4023 runtime_method->stack_size = sizeof (stackval); /* for tracing */
4024 runtime_method->alloca_size = runtime_method->stack_size;
4025 runtime_method->transformed = TRUE;
4027 mono_os_mutex_unlock(&calc_section);
4028 mono_profiler_method_end_jit (method, NULL, MONO_PROFILE_OK);
4030 } else if (!strcmp (method->name, "UnsafeStore")) {
4034 g_assert ((signature->param_count + signature->hasthis) < 1000);
4035 g_assert (header->max_stack < 10000);
4036 /* intern the strings in the method. */
4038 end = ip + header->code_size;
4040 is_bb_start = g_malloc0(header->code_size);
4041 is_bb_start [0] = 1;
4048 else if (in == 0xf0) {
4050 in = *ip + MONO_CEE_MONO_ICALL;
4052 opcode = &mono_opcodes [in];
4053 switch (opcode->argument) {
4054 case MonoInlineNone:
4057 case MonoInlineString:
4058 if (method->wrapper_type == MONO_WRAPPER_NONE)
4059 mono_ldstr (domain, image, mono_metadata_token_index (read32 (ip + 1)));
4062 case MonoInlineType:
4063 if (method->wrapper_type == MONO_WRAPPER_NONE) {
4064 class = mini_get_class (method, read32 (ip + 1), generic_context);
4065 mono_class_init (class);
4066 /* quick fix to not do this for the fake ptr classes - probably should not be getting the vtable at all here */
4068 g_error ("FIXME: interface method lookup: %s (in method %s)", class->name, method->name);
4069 if (!(class->flags & TYPE_ATTRIBUTE_INTERFACE) && class->interface_offsets != NULL)
4070 mono_class_vtable (domain, class);
4075 case MonoInlineMethod:
4076 if (method->wrapper_type == MONO_WRAPPER_NONE && *ip != CEE_CALLI) {
4077 m = mono_get_method_full (image, read32 (ip + 1), NULL, generic_context);
4079 g_free (is_bb_start);
4080 g_error ("FIXME: where to get method and class string?");
4082 // return mono_get_exception_missing_method ();
4084 mono_class_init (m->klass);
4085 if (!mono_class_is_interface (m->klass))
4086 mono_class_vtable (domain, m->klass);
4090 case MonoInlineField:
4094 case MonoShortInlineR:
4097 case MonoInlineBrTarget:
4098 offset = read32 (ip + 1);
4100 backwards = offset < 0;
4101 offset += ip - header->code;
4102 g_assert (offset >= 0 && offset < header->code_size);
4103 is_bb_start [offset] |= backwards ? 2 : 1;
4105 case MonoShortInlineBrTarget:
4106 offset = ((gint8 *)ip) [1];
4108 backwards = offset < 0;
4109 offset += ip - header->code;
4110 g_assert (offset >= 0 && offset < header->code_size);
4111 is_bb_start [offset] |= backwards ? 2 : 1;
4116 case MonoShortInlineVar:
4117 case MonoShortInlineI:
4120 case MonoInlineSwitch: {
4122 const unsigned char *next_ip;
4126 next_ip = ip + 4 * n;
4127 for (i = 0; i < n; i++) {
4128 offset = read32 (ip);
4129 backwards = offset < 0;
4130 offset += next_ip - header->code;
4131 g_assert (offset >= 0 && offset < header->code_size);
4132 is_bb_start [offset] |= backwards ? 2 : 1;
4142 g_assert_not_reached ();
4145 // g_printerr ("TRANSFORM(0x%016lx): end %s::%s\n", mono_thread_current (), method->klass->name, method->name);
4147 /* the rest needs to be locked so it is only done once */
4148 mono_os_mutex_lock(&calc_section);
4149 if (runtime_method->transformed) {
4150 mono_os_mutex_unlock(&calc_section);
4151 g_free (is_bb_start);
4152 mono_profiler_method_end_jit (method, runtime_method->jinfo, MONO_PROFILE_OK);
4156 runtime_method->local_offsets = g_malloc (header->num_locals * sizeof(guint32));
4157 runtime_method->stack_size = (sizeof (stackval)) * (header->max_stack + 2); /* + 1 for returns of called functions + 1 for 0-ing in trace*/
4158 runtime_method->stack_size = (runtime_method->stack_size + 7) & ~7;
4160 for (i = 0; i < header->num_locals; ++i) {
4161 size = mono_type_size (header->locals [i], &align);
4162 offset += align - 1;
4163 offset &= ~(align - 1);
4164 runtime_method->local_offsets [i] = offset;
4167 offset = (offset + 7) & ~7;
4169 runtime_method->exvar_offsets = g_malloc (header->num_clauses * sizeof (guint32));
4170 for (i = 0; i < header->num_clauses; i++) {
4171 offset += sizeof (MonoObject*);
4172 runtime_method->exvar_offsets [i] = offset;
4174 offset = (offset + 7) & ~7;
4176 runtime_method->locals_size = offset;
4177 g_assert (runtime_method->locals_size < 65536);
4179 runtime_method->arg_offsets = g_malloc ((!!signature->hasthis + signature->param_count) * sizeof(guint32));
4181 if (signature->hasthis) {
4182 g_assert (!signature->pinvoke);
4183 size = mono_type_stack_size (&method->klass->byval_arg, &align);
4184 offset += align - 1;
4185 offset &= ~(align - 1);
4186 runtime_method->arg_offsets [0] = offset;
4190 for (i = 0; i < signature->param_count; ++i) {
4191 if (signature->pinvoke) {
4193 size = mono_type_native_stack_size (signature->params [i], &dummy);
4197 size = mono_type_stack_size (signature->params [i], &align);
4198 offset += align - 1;
4199 offset &= ~(align - 1);
4200 runtime_method->arg_offsets [i + !!signature->hasthis] = offset;
4203 offset = (offset + 7) & ~7;
4204 runtime_method->args_size = offset;
4205 g_assert (runtime_method->args_size < 10000);
4207 generate (method, runtime_method, is_bb_start, generic_context);
4209 g_free (is_bb_start);
4211 // FIXME: Add a different callback ?
4212 mono_profiler_method_end_jit (method, runtime_method->jinfo, MONO_PROFILE_OK);
4213 runtime_method->transformed = TRUE;
4214 mono_os_mutex_unlock(&calc_section);