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 if ((c->flags & MONO_EXCEPTION_CLAUSE_FINALLY) || (c->flags & MONO_EXCEPTION_CLAUSE_FAULT)) {
1465 for (int j = c->handler_offset; j < c->handler_offset + c->handler_len; ++j) {
1466 if (td.clause_indexes [j] == -1)
1467 td.clause_indexes [j] = i;
1472 td.ip = header->code;
1473 end = td.ip + header->code_size;
1475 if (td.verbose_level) {
1476 char *tmp = mono_disasm_code (NULL, method, td.ip, end);
1477 char *name = mono_method_full_name (method, TRUE);
1478 g_print ("Method %s, original code:\n", name);
1479 g_print ("%s\n", tmp);
1484 if (signature->hasthis)
1485 store_inarg (&td, 0);
1486 for (i = 0; i < signature->param_count; i++)
1487 store_inarg (&td, i + !!signature->hasthis);
1489 body_start_offset = td.new_ip - td.new_code;
1491 for (i = 0; i < header->num_locals; i++) {
1492 int mt = mint_type(header->locals [i]);
1493 if (mt == MINT_TYPE_VT || mt == MINT_TYPE_O || mt == MINT_TYPE_P) {
1494 ADD_CODE(&td, MINT_INITLOCALS);
1499 if (sym_seq_points) {
1500 InterpBasicBlock *cbb = td.offset_to_bb [0];
1502 emit_seq_point (&td, METHOD_ENTRY_IL_OFFSET, cbb, FALSE);
1505 while (td.ip < end) {
1508 g_assert (td.sp >= td.stack);
1509 g_assert (td.vt_sp < 0x10000000);
1510 in_offset = td.ip - header->code;
1511 td.in_offsets [in_offset] = td.new_ip - td.new_code;
1512 new_in_start_offset = td.new_ip - td.new_code;
1513 td.in_start = td.ip;
1515 MonoDebugLineNumberEntry lne;
1516 lne.native_offset = (guint8*)td.new_ip - (guint8*)td.new_code;
1517 lne.il_offset = in_offset;
1518 g_array_append_val (line_numbers, lne);
1520 if (td.stack_height [in_offset] >= 0) {
1521 g_assert (is_bb_start [in_offset]);
1522 if (td.stack_height [in_offset] > 0)
1523 memcpy (td.stack, td.stack_state [in_offset], td.stack_height [in_offset] * sizeof(td.stack [0]));
1524 td.sp = td.stack + td.stack_height [in_offset];
1525 td.vt_sp = td.vt_stack_size [in_offset];
1527 if (is_bb_start [in_offset]) {
1528 generating_code = 1;
1530 if (!generating_code) {
1531 while (td.ip < end && !is_bb_start [td.ip - td.il_code])
1535 if (td.verbose_level > 1) {
1536 printf("IL_%04lx %s %-10s -> IL_%04lx, sp %ld, %s %-12s vt_sp %u (max %u)\n",
1538 td.is_bb_start [td.ip - td.il_code] == 3 ? "<>" :
1539 td.is_bb_start [td.ip - td.il_code] == 2 ? "< " :
1540 td.is_bb_start [td.ip - td.il_code] == 1 ? " >" : " ",
1541 mono_opcode_name (*td.ip), td.new_ip - td.new_code, td.sp - td.stack,
1542 td.sp > td.stack ? stack_type_string [td.sp [-1].type] : " ",
1543 (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) : "",
1544 td.vt_sp, td.max_vt_sp);
1547 if (sym_seq_points && mono_bitset_test_fast (seq_point_locs, td.ip - header->code)) {
1548 InterpBasicBlock *cbb = td.offset_to_bb [td.ip - header->code];
1552 * Make methods interruptable at the beginning, and at the targets of
1553 * backward branches.
1555 if (in_offset == 0 || g_slist_length (cbb->preds) > 1)
1556 ADD_CODE (&td, MINT_SDB_INTR_LOC);
1558 emit_seq_point (&td, in_offset, cbb, FALSE);
1560 mono_bitset_set_fast (seq_point_set_locs, td.ip - header->code);
1564 bb_exit = td.offset_to_bb [td.ip - header->code];
1572 SIMPLE_OP(td, MINT_BREAK);
1578 load_arg (&td, *td.ip - CEE_LDARG_0);
1585 load_local (&td, *td.ip - CEE_LDLOC_0);
1592 store_local (&td, *td.ip - CEE_STLOC_0);
1596 load_arg (&td, ((guint8 *)td.ip)[1]);
1599 case CEE_LDARGA_S: {
1600 /* NOTE: n includes this */
1601 int n = ((guint8 *) td.ip) [1];
1602 ADD_CODE (&td, MINT_LDARGA);
1603 ADD_CODE (&td, td.rtm->arg_offsets [n]);
1604 PUSH_SIMPLE_TYPE(&td, STACK_TYPE_MP);
1609 store_arg (&td, ((guint8 *)td.ip)[1]);
1613 load_local (&td, ((guint8 *)td.ip)[1]);
1617 ADD_CODE(&td, MINT_LDLOCA_S);
1618 ADD_CODE(&td, td.rtm->local_offsets [((guint8 *)td.ip)[1]]);
1619 PUSH_SIMPLE_TYPE(&td, STACK_TYPE_MP);
1623 store_local (&td, ((guint8 *)td.ip)[1]);
1627 SIMPLE_OP(td, MINT_LDNULL);
1628 PUSH_TYPE(&td, STACK_TYPE_O, NULL);
1631 SIMPLE_OP(td, MINT_LDC_I4_M1);
1632 PUSH_SIMPLE_TYPE(&td, STACK_TYPE_I4);
1635 if (!td.is_bb_start[td.ip + 1 - td.il_code] && td.ip [1] == 0xfe && td.ip [2] == CEE_CEQ &&
1636 td.sp > td.stack && td.sp [-1].type == STACK_TYPE_I4) {
1637 SIMPLE_OP(td, MINT_CEQ0_I4);
1640 SIMPLE_OP(td, MINT_LDC_I4_0);
1641 PUSH_SIMPLE_TYPE(&td, STACK_TYPE_I4);
1645 if (!td.is_bb_start[td.ip + 1 - td.il_code] &&
1646 (td.ip [1] == CEE_ADD || td.ip [1] == CEE_SUB) && td.sp [-1].type == STACK_TYPE_I4) {
1647 ADD_CODE(&td, td.ip [1] == CEE_ADD ? MINT_ADD1_I4 : MINT_SUB1_I4);
1650 SIMPLE_OP(td, MINT_LDC_I4_1);
1651 PUSH_SIMPLE_TYPE(&td, STACK_TYPE_I4);
1661 SIMPLE_OP(td, (*td.ip - CEE_LDC_I4_0) + MINT_LDC_I4_0);
1662 PUSH_SIMPLE_TYPE(&td, STACK_TYPE_I4);
1665 ADD_CODE(&td, MINT_LDC_I4_S);
1666 ADD_CODE(&td, ((gint8 *) td.ip) [1]);
1668 PUSH_SIMPLE_TYPE(&td, STACK_TYPE_I4);
1671 i32 = read32 (td.ip + 1);
1672 ADD_CODE(&td, MINT_LDC_I4);
1675 PUSH_SIMPLE_TYPE(&td, STACK_TYPE_I4);
1678 gint64 val = read64 (td.ip + 1);
1679 ADD_CODE(&td, MINT_LDC_I8);
1682 PUSH_SIMPLE_TYPE(&td, STACK_TYPE_I8);
1687 readr4 (td.ip + 1, &val);
1688 ADD_CODE(&td, MINT_LDC_R4);
1691 PUSH_SIMPLE_TYPE(&td, STACK_TYPE_R8);
1696 readr8 (td.ip + 1, &val);
1697 ADD_CODE(&td, MINT_LDC_R8);
1700 PUSH_SIMPLE_TYPE(&td, STACK_TYPE_R8);
1704 int type = td.sp [-1].type;
1705 MonoClass *klass = td.sp [-1].klass;
1706 if (td.sp [-1].type == STACK_TYPE_VT) {
1707 gint32 size = mono_class_value_size (klass, NULL);
1709 ADD_CODE(&td, MINT_DUP_VT);
1710 WRITE32(&td, &size);
1713 SIMPLE_OP(td, MINT_DUP);
1714 PUSH_TYPE(&td, type, klass);
1718 CHECK_STACK(&td, 1);
1719 SIMPLE_OP(td, MINT_POP);
1721 if (td.sp [-1].type == STACK_TYPE_VT) {
1722 int size = mono_class_value_size (td.sp [-1].klass, NULL);
1723 size = (size + 7) & ~7;
1724 ADD_CODE(&td, MINT_VTRESULT);
1726 WRITE32(&td, &size);
1733 if (td.sp > td.stack)
1734 g_warning ("CEE_JMP: stack must be empty");
1735 token = read32 (td.ip + 1);
1736 m = mono_get_method_full (image, token, NULL, generic_context);
1737 ADD_CODE (&td, MINT_JMP);
1738 ADD_CODE (&td, get_data_item_index (&td, mono_interp_get_runtime_method (domain, m, &error)));
1739 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
1743 case CEE_CALLVIRT: /* Fall through */
1744 case CEE_CALLI: /* Fall through */
1746 gboolean need_seq_point = FALSE;
1748 if (sym_seq_points && !mono_bitset_test_fast (seq_point_locs, td.ip + 5 - header->code))
1749 need_seq_point = TRUE;
1751 interp_transform_call (&td, method, NULL, domain, generic_context, is_bb_start, body_start_offset, constrained_class, readonly);
1753 if (need_seq_point) {
1754 InterpBasicBlock *cbb = td.offset_to_bb [td.ip - header->code];
1757 emit_seq_point (&td, td.ip - header->code, cbb, TRUE);
1760 constrained_class = NULL;
1766 if (signature->ret->type != MONO_TYPE_VOID) {
1768 MonoClass *klass = mono_class_from_mono_type (signature->ret);
1769 if (mint_type (&klass->byval_arg) == MINT_TYPE_VT) {
1770 vt_size = mono_class_value_size (klass, NULL);
1771 vt_size = (vt_size + 7) & ~7;
1774 if (td.sp > td.stack)
1775 g_warning ("%s.%s: CEE_RET: more values on stack: %d", td.method->klass->name, td.method->name, td.sp - td.stack);
1776 if (td.vt_sp != vt_size)
1777 g_error ("%s.%s: CEE_RET: value type stack: %d vs. %d", td.method->klass->name, td.method->name, td.vt_sp, vt_size);
1779 if (sym_seq_points) {
1780 InterpBasicBlock *cbb = td.offset_to_bb [td.ip - header->code];
1782 emit_seq_point (&td, METHOD_EXIT_IL_OFFSET, bb_exit, FALSE);
1786 SIMPLE_OP(td, signature->ret->type == MONO_TYPE_VOID ? MINT_RET_VOID : MINT_RET);
1788 ADD_CODE(&td, MINT_RET_VT);
1789 WRITE32(&td, &vt_size);
1792 generating_code = 0;
1796 handle_branch (&td, MINT_BR_S, MINT_BR, 5 + read32 (td.ip + 1));
1798 generating_code = 0;
1801 handle_branch (&td, MINT_BR_S, MINT_BR, 2 + (gint8)td.ip [1]);
1803 generating_code = 0;
1806 one_arg_branch (&td, MINT_BRFALSE_I4, 5 + read32 (td.ip + 1));
1810 one_arg_branch (&td, MINT_BRFALSE_I4, 2 + (gint8)td.ip [1]);
1814 one_arg_branch (&td, MINT_BRTRUE_I4, 5 + read32 (td.ip + 1));
1818 one_arg_branch (&td, MINT_BRTRUE_I4, 2 + (gint8)td.ip [1]);
1822 two_arg_branch (&td, MINT_BEQ_I4, 5 + read32 (td.ip + 1));
1826 two_arg_branch (&td, MINT_BEQ_I4, 2 + (gint8) td.ip [1]);
1830 two_arg_branch (&td, MINT_BGE_I4, 5 + read32 (td.ip + 1));
1834 two_arg_branch (&td, MINT_BGE_I4, 2 + (gint8) td.ip [1]);
1838 two_arg_branch (&td, MINT_BGT_I4, 5 + read32 (td.ip + 1));
1842 two_arg_branch (&td, MINT_BGT_I4, 2 + (gint8) td.ip [1]);
1846 two_arg_branch (&td, MINT_BLT_I4, 5 + read32 (td.ip + 1));
1850 two_arg_branch (&td, MINT_BLT_I4, 2 + (gint8) td.ip [1]);
1854 two_arg_branch (&td, MINT_BLE_I4, 5 + read32 (td.ip + 1));
1858 two_arg_branch (&td, MINT_BLE_I4, 2 + (gint8) td.ip [1]);
1862 two_arg_branch (&td, MINT_BNE_UN_I4, 5 + read32 (td.ip + 1));
1866 two_arg_branch (&td, MINT_BNE_UN_I4, 2 + (gint8) td.ip [1]);
1870 two_arg_branch (&td, MINT_BGE_UN_I4, 5 + read32 (td.ip + 1));
1874 two_arg_branch (&td, MINT_BGE_UN_I4, 2 + (gint8) td.ip [1]);
1878 two_arg_branch (&td, MINT_BGT_UN_I4, 5 + read32 (td.ip + 1));
1882 two_arg_branch (&td, MINT_BGT_UN_I4, 2 + (gint8) td.ip [1]);
1886 two_arg_branch (&td, MINT_BLE_UN_I4, 5 + read32 (td.ip + 1));
1890 two_arg_branch (&td, MINT_BLE_UN_I4, 2 + (gint8) td.ip [1]);
1894 two_arg_branch (&td, MINT_BLT_UN_I4, 5 + read32 (td.ip + 1));
1898 two_arg_branch (&td, MINT_BLT_UN_I4, 2 + (gint8) td.ip [1]);
1903 const unsigned char *next_ip;
1906 ADD_CODE (&td, MINT_SWITCH);
1909 next_ip = td.ip + n * 4;
1911 int stack_height = td.sp - td.stack;
1912 for (i = 0; i < n; i++) {
1913 offset = read32 (td.ip);
1914 target = next_ip - td.il_code + offset;
1917 if (stack_height > 0 && stack_height != td.stack_height [target])
1918 g_warning ("SWITCH with back branch and non-empty stack");
1920 target = td.in_offsets [target] - (td.new_ip - td.new_code);
1922 td.stack_height [target] = stack_height;
1923 td.vt_stack_size [target] = td.vt_sp;
1924 if (stack_height > 0)
1925 td.stack_state [target] = g_memdup (td.stack, stack_height * sizeof (td.stack [0]));
1927 Reloc *reloc = mono_mempool_alloc0 (td.mempool, sizeof (Reloc));
1928 reloc->type = RELOC_SWITCH;
1929 reloc->offset = td.new_ip - td.new_code;
1930 reloc->target = target;
1931 g_ptr_array_add (td.relocs, reloc);
1934 WRITE32 (&td, &target);
1940 CHECK_STACK (&td, 1);
1941 SIMPLE_OP (td, MINT_LDIND_I1);
1942 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
1945 CHECK_STACK (&td, 1);
1946 SIMPLE_OP (td, MINT_LDIND_U1);
1947 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
1950 CHECK_STACK (&td, 1);
1951 SIMPLE_OP (td, MINT_LDIND_I2);
1952 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
1955 CHECK_STACK (&td, 1);
1956 SIMPLE_OP (td, MINT_LDIND_U2);
1957 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
1960 CHECK_STACK (&td, 1);
1961 SIMPLE_OP (td, MINT_LDIND_I4);
1962 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
1965 CHECK_STACK (&td, 1);
1966 SIMPLE_OP (td, MINT_LDIND_U4);
1967 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
1970 CHECK_STACK (&td, 1);
1971 SIMPLE_OP (td, MINT_LDIND_I8);
1972 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I8);
1975 CHECK_STACK (&td, 1);
1976 SIMPLE_OP (td, MINT_LDIND_I);
1978 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I);
1981 CHECK_STACK (&td, 1);
1982 SIMPLE_OP (td, MINT_LDIND_R4);
1983 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_R8);
1986 CHECK_STACK (&td, 1);
1987 SIMPLE_OP (td, MINT_LDIND_R8);
1988 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_R8);
1991 CHECK_STACK (&td, 1);
1992 SIMPLE_OP (td, MINT_LDIND_REF);
1993 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_O);
1996 CHECK_STACK (&td, 2);
1997 SIMPLE_OP (td, MINT_STIND_REF);
2001 CHECK_STACK (&td, 2);
2002 SIMPLE_OP (td, MINT_STIND_I1);
2006 CHECK_STACK (&td, 2);
2007 SIMPLE_OP (td, MINT_STIND_I2);
2011 CHECK_STACK (&td, 2);
2012 SIMPLE_OP (td, MINT_STIND_I4);
2016 CHECK_STACK (&td, 2);
2017 SIMPLE_OP (td, MINT_STIND_I);
2021 CHECK_STACK (&td, 2);
2022 SIMPLE_OP (td, MINT_STIND_I8);
2026 CHECK_STACK (&td, 2);
2027 SIMPLE_OP (td, MINT_STIND_R4);
2031 CHECK_STACK (&td, 2);
2032 SIMPLE_OP (td, MINT_STIND_R8);
2036 binary_arith_op(&td, MINT_ADD_I4);
2040 binary_arith_op(&td, MINT_SUB_I4);
2044 binary_arith_op(&td, MINT_MUL_I4);
2048 binary_arith_op(&td, MINT_DIV_I4);
2052 binary_arith_op(&td, MINT_DIV_UN_I4);
2056 binary_arith_op (&td, MINT_REM_I4);
2060 binary_arith_op (&td, MINT_REM_UN_I4);
2064 binary_arith_op (&td, MINT_AND_I4);
2068 binary_arith_op (&td, MINT_OR_I4);
2072 binary_arith_op (&td, MINT_XOR_I4);
2076 shift_op (&td, MINT_SHL_I4);
2080 shift_op (&td, MINT_SHR_I4);
2084 shift_op (&td, MINT_SHR_UN_I4);
2088 unary_arith_op (&td, MINT_NEG_I4);
2092 unary_arith_op (&td, MINT_NOT_I4);
2096 CHECK_STACK (&td, 1);
2097 switch (td.sp [-1].type) {
2099 ADD_CODE(&td, MINT_CONV_U1_R8);
2102 ADD_CODE(&td, MINT_CONV_U1_I4);
2105 ADD_CODE(&td, MINT_CONV_U1_I8);
2108 g_assert_not_reached ();
2111 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2114 CHECK_STACK (&td, 1);
2115 switch (td.sp [-1].type) {
2117 ADD_CODE(&td, MINT_CONV_I1_R8);
2120 ADD_CODE(&td, MINT_CONV_I1_I4);
2123 ADD_CODE(&td, MINT_CONV_I1_I8);
2126 g_assert_not_reached ();
2129 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2132 CHECK_STACK (&td, 1);
2133 switch (td.sp [-1].type) {
2135 ADD_CODE(&td, MINT_CONV_U2_R8);
2138 ADD_CODE(&td, MINT_CONV_U2_I4);
2141 ADD_CODE(&td, MINT_CONV_U2_I8);
2144 g_assert_not_reached ();
2147 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2150 CHECK_STACK (&td, 1);
2151 switch (td.sp [-1].type) {
2153 ADD_CODE(&td, MINT_CONV_I2_R8);
2156 ADD_CODE(&td, MINT_CONV_I2_I4);
2159 ADD_CODE(&td, MINT_CONV_I2_I8);
2162 g_assert_not_reached ();
2165 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2168 CHECK_STACK (&td, 1);
2169 switch (td.sp [-1].type) {
2171 #if SIZEOF_VOID_P == 4
2172 ADD_CODE(&td, MINT_CONV_U4_R8);
2174 ADD_CODE(&td, MINT_CONV_U8_R8);
2178 #if SIZEOF_VOID_P == 8
2179 ADD_CODE(&td, MINT_CONV_U8_I4);
2183 #if SIZEOF_VOID_P == 4
2184 ADD_CODE(&td, MINT_CONV_U4_I8);
2190 g_assert_not_reached ();
2193 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I);
2196 CHECK_STACK (&td, 1);
2197 switch (td.sp [-1].type) {
2199 #if SIZEOF_VOID_P == 8
2200 ADD_CODE(&td, MINT_CONV_I8_R8);
2202 ADD_CODE(&td, MINT_CONV_I4_R8);
2206 #if SIZEOF_VOID_P == 8
2207 ADD_CODE(&td, MINT_CONV_I8_I4);
2215 #if SIZEOF_VOID_P == 4
2216 ADD_CODE(&td, MINT_CONV_I4_I8);
2220 g_assert_not_reached ();
2223 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I);
2226 CHECK_STACK (&td, 1);
2227 switch (td.sp [-1].type) {
2229 ADD_CODE(&td, MINT_CONV_U4_R8);
2234 ADD_CODE(&td, MINT_CONV_U4_I8);
2237 #if SIZEOF_VOID_P == 8
2238 ADD_CODE(&td, MINT_CONV_U4_I8);
2242 g_assert_not_reached ();
2245 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2248 CHECK_STACK (&td, 1);
2249 switch (td.sp [-1].type) {
2251 ADD_CODE(&td, MINT_CONV_I4_R8);
2256 ADD_CODE(&td, MINT_CONV_I4_I8);
2259 #if SIZEOF_VOID_P == 8
2260 ADD_CODE(&td, MINT_CONV_I4_I8);
2264 g_assert_not_reached ();
2267 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2270 CHECK_STACK (&td, 1);
2271 switch (td.sp [-1].type) {
2273 ADD_CODE(&td, MINT_CONV_I8_R8);
2276 ADD_CODE(&td, MINT_CONV_I8_I4);
2281 #if SIZEOF_VOID_P == 4
2282 ADD_CODE(&td, MINT_CONV_I8_I4);
2286 g_assert_not_reached ();
2289 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I8);
2292 CHECK_STACK (&td, 1);
2293 switch (td.sp [-1].type) {
2295 ADD_CODE(&td, MINT_CONV_R4_R8);
2298 ADD_CODE(&td, MINT_CONV_R4_I8);
2301 ADD_CODE(&td, MINT_CONV_R4_I4);
2304 g_assert_not_reached ();
2307 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_R8);
2310 CHECK_STACK (&td, 1);
2311 switch (td.sp [-1].type) {
2313 ADD_CODE(&td, MINT_CONV_R8_I4);
2316 ADD_CODE(&td, MINT_CONV_R8_I8);
2321 g_assert_not_reached ();
2324 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_R8);
2327 CHECK_STACK (&td, 1);
2328 switch (td.sp [-1].type) {
2330 ADD_CODE(&td, MINT_CONV_U8_I4);
2335 ADD_CODE(&td, MINT_CONV_U8_R8);
2338 #if SIZEOF_VOID_P == 4
2339 ADD_CODE(&td, MINT_CONV_U8_I4);
2343 g_assert_not_reached ();
2346 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I8);
2349 CHECK_STACK (&td, 2);
2351 token = read32 (td.ip + 1);
2352 klass = mono_class_get_full (image, token, generic_context);
2354 if (klass->valuetype) {
2355 ADD_CODE (&td, MINT_CPOBJ);
2356 ADD_CODE (&td, get_data_item_index(&td, klass));
2358 ADD_CODE (&td, MINT_LDIND_REF);
2359 ADD_CODE (&td, MINT_STIND_REF);
2367 CHECK_STACK (&td, 1);
2369 token = read32 (td.ip + 1);
2371 if (method->wrapper_type != MONO_WRAPPER_NONE)
2372 klass = (MonoClass *)mono_method_get_wrapper_data (method, token);
2374 klass = mono_class_get_full (image, token, generic_context);
2376 ADD_CODE(&td, MINT_LDOBJ);
2377 ADD_CODE(&td, get_data_item_index(&td, klass));
2378 if (mint_type (&klass->byval_arg) == MINT_TYPE_VT) {
2379 size = mono_class_value_size (klass, NULL);
2383 SET_TYPE(td.sp - 1, stack_type[mint_type(&klass->byval_arg)], klass);
2388 token = mono_metadata_token_index (read32 (td.ip + 1));
2390 if (method->wrapper_type == MONO_WRAPPER_DYNAMIC_METHOD) {
2391 s = mono_method_get_wrapper_data (method, token);
2392 } else if (method->wrapper_type != MONO_WRAPPER_NONE) {
2393 s = mono_string_new_wrapper (mono_method_get_wrapper_data (method, token));
2395 s = mono_ldstr (domain, image, token);
2397 ADD_CODE(&td, MINT_LDSTR);
2398 ADD_CODE(&td, get_data_item_index (&td, s));
2399 PUSH_TYPE(&td, STACK_TYPE_O, mono_defaults.string_class);
2404 MonoMethodSignature *csignature;
2405 guint32 vt_stack_used = 0;
2406 guint32 vt_res_size = 0;
2409 token = read32 (td.ip);
2412 if (method->wrapper_type != MONO_WRAPPER_NONE)
2413 m = (MonoMethod *)mono_method_get_wrapper_data (method, token);
2415 m = mono_get_method_full (image, token, NULL, generic_context);
2417 csignature = mono_method_signature (m);
2419 td.sp -= csignature->param_count;
2420 ADD_CODE(&td, MINT_NEWOBJ);
2421 ADD_CODE(&td, get_data_item_index (&td, mono_interp_get_runtime_method (domain, m, &error)));
2422 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
2424 if (mint_type (&klass->byval_arg) == MINT_TYPE_VT) {
2425 vt_res_size = mono_class_value_size (klass, NULL);
2426 PUSH_VT (&td, vt_res_size);
2428 for (i = 0; i < csignature->param_count; ++i) {
2429 int mt = mint_type(csignature->params [i]);
2430 if (mt == MINT_TYPE_VT) {
2431 MonoClass *k = mono_class_from_mono_type (csignature->params [i]);
2432 gint32 size = mono_class_value_size (k, NULL);
2433 size = (size + 7) & ~7;
2434 vt_stack_used += size;
2437 if (vt_stack_used != 0 || vt_res_size != 0) {
2438 ADD_CODE(&td, MINT_VTRESULT);
2439 ADD_CODE(&td, vt_res_size);
2440 WRITE32(&td, &vt_stack_used);
2441 td.vt_sp -= vt_stack_used;
2443 PUSH_TYPE (&td, stack_type [mint_type (&klass->byval_arg)], klass);
2447 CHECK_STACK (&td, 1);
2448 token = read32 (td.ip + 1);
2449 klass = mini_get_class (method, token, generic_context);
2450 ADD_CODE(&td, MINT_CASTCLASS);
2451 ADD_CODE(&td, get_data_item_index (&td, klass));
2452 td.sp [-1].klass = klass;
2456 CHECK_STACK (&td, 1);
2457 token = read32 (td.ip + 1);
2458 klass = mini_get_class (method, token, generic_context);
2459 ADD_CODE(&td, MINT_ISINST);
2460 ADD_CODE(&td, get_data_item_index (&td, klass));
2464 switch (td.sp [-1].type) {
2468 ADD_CODE(&td, MINT_CONV_R_UN_I8);
2471 ADD_CODE(&td, MINT_CONV_R_UN_I4);
2474 g_assert_not_reached ();
2476 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_R8);
2480 CHECK_STACK (&td, 1);
2481 token = read32 (td.ip + 1);
2483 if (method->wrapper_type != MONO_WRAPPER_NONE)
2484 klass = (MonoClass *)mono_method_get_wrapper_data (method, token);
2486 klass = mono_class_get_full (image, token, generic_context);
2488 if (mono_class_is_nullable (klass)) {
2489 g_error ("cee_unbox: implement Nullable");
2492 ADD_CODE(&td, MINT_UNBOX);
2493 ADD_CODE(&td, get_data_item_index (&td, klass));
2494 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_MP);
2498 CHECK_STACK (&td, 1);
2499 token = read32 (td.ip + 1);
2501 klass = mini_get_class (method, token, generic_context);
2503 if (mini_type_is_reference (&klass->byval_arg)) {
2504 int mt = mint_type (&klass->byval_arg);
2505 ADD_CODE (&td, MINT_CASTCLASS);
2506 ADD_CODE (&td, get_data_item_index (&td, klass));
2507 SET_TYPE (td.sp - 1, stack_type [mt], klass);
2509 } else if (mono_class_is_nullable (klass)) {
2510 MonoMethod *target_method = mono_class_get_method_from_name (klass, "Unbox", 1);
2511 /* td.ip is incremented by interp_transform_call */
2512 interp_transform_call (&td, method, target_method, domain, generic_context, is_bb_start, body_start_offset, NULL, FALSE);
2514 int mt = mint_type (&klass->byval_arg);
2515 ADD_CODE (&td, MINT_UNBOX);
2516 ADD_CODE (&td, get_data_item_index (&td, klass));
2518 ADD_CODE (&td, MINT_LDOBJ);
2519 ADD_CODE (&td, get_data_item_index(&td, klass));
2520 SET_TYPE (td.sp - 1, stack_type [mt], klass);
2522 if (mt == MINT_TYPE_VT) {
2523 int size = mono_class_value_size (klass, NULL);
2524 PUSH_VT (&td, size);
2531 CHECK_STACK (&td, 1);
2532 SIMPLE_OP (td, MINT_THROW);
2534 generating_code = 0;
2537 CHECK_STACK (&td, 1);
2538 token = read32 (td.ip + 1);
2539 field = interp_field_from_token (method, token, &klass, generic_context);
2540 gboolean is_static = !!(field->type->attrs & FIELD_ATTRIBUTE_STATIC);
2541 mono_class_init (klass);
2543 ADD_CODE (&td, MINT_POP);
2545 ADD_CODE (&td, MINT_LDSFLDA);
2546 ADD_CODE (&td, get_data_item_index (&td, field));
2548 if ((td.sp - 1)->type == STACK_TYPE_O) {
2549 ADD_CODE (&td, MINT_LDFLDA);
2551 g_assert ((td.sp -1)->type == STACK_TYPE_MP);
2552 ADD_CODE (&td, MINT_LDFLDA_UNSAFE);
2554 ADD_CODE (&td, klass->valuetype ? field->offset - sizeof (MonoObject) : field->offset);
2557 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_MP);
2560 CHECK_STACK (&td, 1);
2561 token = read32 (td.ip + 1);
2562 field = interp_field_from_token (method, token, &klass, generic_context);
2563 gboolean is_static = !!(field->type->attrs & FIELD_ATTRIBUTE_STATIC);
2564 mono_class_init (klass);
2566 MonoClass *field_klass = mono_class_from_mono_type (field->type);
2567 mt = mint_type (&field_klass->byval_arg);
2568 #ifndef DISABLE_REMOTING
2569 if (klass->marshalbyref) {
2570 g_assert (!is_static);
2571 ADD_CODE(&td, mt == MINT_TYPE_VT ? MINT_LDRMFLD_VT : MINT_LDRMFLD);
2572 ADD_CODE(&td, get_data_item_index (&td, field));
2577 ADD_CODE (&td, MINT_POP);
2579 ADD_CODE (&td, mt == MINT_TYPE_VT ? MINT_LDSFLD_VT : MINT_LDSFLD);
2580 ADD_CODE (&td, get_data_item_index (&td, field));
2582 ADD_CODE (&td, MINT_LDFLD_I1 + mt - MINT_TYPE_I1);
2583 ADD_CODE (&td, klass->valuetype ? field->offset - sizeof(MonoObject) : field->offset);
2586 if (mt == MINT_TYPE_VT) {
2587 int size = mono_class_value_size (field_klass, NULL);
2589 WRITE32(&td, &size);
2591 if (td.sp [-1].type == STACK_TYPE_VT) {
2592 int size = mono_class_value_size (klass, NULL);
2593 size = (size + 7) & ~7;
2595 ADD_CODE (&td, MINT_VTRESULT);
2597 WRITE32 (&td, &size);
2600 SET_TYPE(td.sp - 1, stack_type [mt], field_klass);
2604 CHECK_STACK (&td, 2);
2605 token = read32 (td.ip + 1);
2606 field = interp_field_from_token (method, token, &klass, generic_context);
2607 gboolean is_static = !!(field->type->attrs & FIELD_ATTRIBUTE_STATIC);
2608 mono_class_init (klass);
2609 mt = mint_type(field->type);
2611 #ifndef DISABLE_REMOTING
2612 if (klass->marshalbyref) {
2613 g_assert (!is_static);
2614 ADD_CODE(&td, mt == MINT_TYPE_VT ? MINT_STRMFLD_VT : MINT_STRMFLD);
2615 ADD_CODE(&td, get_data_item_index (&td, field));
2620 ADD_CODE (&td, MINT_POP);
2622 ADD_CODE (&td, mt == MINT_TYPE_VT ? MINT_STSFLD_VT : MINT_STSFLD);
2623 ADD_CODE (&td, get_data_item_index (&td, field));
2625 ADD_CODE (&td, MINT_STFLD_I1 + mt - MINT_TYPE_I1);
2626 ADD_CODE (&td, klass->valuetype ? field->offset - sizeof(MonoObject) : field->offset);
2629 if (mt == MINT_TYPE_VT) {
2630 MonoClass *klass = mono_class_from_mono_type (field->type);
2631 int size = mono_class_value_size (klass, NULL);
2633 WRITE32(&td, &size);
2640 token = read32 (td.ip + 1);
2641 field = interp_field_from_token (method, token, &klass, generic_context);
2642 ADD_CODE(&td, MINT_LDSFLDA);
2643 ADD_CODE(&td, get_data_item_index (&td, field));
2645 PUSH_SIMPLE_TYPE(&td, STACK_TYPE_MP);
2648 token = read32 (td.ip + 1);
2649 field = interp_field_from_token (method, token, &klass, generic_context);
2650 mt = mint_type(field->type);
2651 ADD_CODE(&td, mt == MINT_TYPE_VT ? MINT_LDSFLD_VT : MINT_LDSFLD);
2652 ADD_CODE(&td, get_data_item_index (&td, field));
2654 if (mt == MINT_TYPE_VT) {
2655 MonoClass *klass = mono_class_from_mono_type (field->type);
2656 int size = mono_class_value_size (klass, NULL);
2658 WRITE32(&td, &size);
2659 klass = field->type->data.klass;
2661 if (mt == MINT_TYPE_O)
2662 klass = mono_class_from_mono_type (field->type);
2665 PUSH_TYPE(&td, stack_type [mt], klass);
2668 CHECK_STACK (&td, 1);
2669 token = read32 (td.ip + 1);
2670 field = interp_field_from_token (method, token, &klass, generic_context);
2671 mt = mint_type(field->type);
2672 ADD_CODE(&td, mt == MINT_TYPE_VT ? MINT_STSFLD_VT : MINT_STSFLD);
2673 ADD_CODE(&td, get_data_item_index (&td, field));
2674 if (mt == MINT_TYPE_VT) {
2675 MonoClass *klass = mono_class_from_mono_type (field->type);
2676 int size = mono_class_value_size (klass, NULL);
2678 WRITE32 (&td, &size);
2685 token = read32 (td.ip + 1);
2687 if (method->wrapper_type != MONO_WRAPPER_NONE)
2688 klass = (MonoClass *)mono_method_get_wrapper_data (method, token);
2690 klass = mini_get_class (method, token, generic_context);
2692 ADD_CODE(&td, td.sp [-1].type == STACK_TYPE_VT ? MINT_STOBJ_VT : MINT_STOBJ);
2693 ADD_CODE(&td, get_data_item_index (&td, klass));
2694 if (td.sp [-1].type == STACK_TYPE_VT) {
2695 size = mono_class_value_size (klass, NULL);
2696 size = (size + 7) & ~7;
2703 case CEE_CONV_OVF_I_UN:
2704 case CEE_CONV_OVF_U_UN:
2705 CHECK_STACK (&td, 1);
2706 switch (td.sp [-1].type) {
2708 #if SIZEOF_VOID_P == 8
2709 ADD_CODE(&td, MINT_CONV_OVF_I8_UN_R8);
2711 ADD_CODE(&td, MINT_CONV_OVF_I4_UN_R8);
2715 #if SIZEOF_VOID_P == 4
2716 ADD_CODE (&td, MINT_CONV_OVF_I4_UN_I8);
2720 #if SIZEOF_VOID_P == 8
2721 ADD_CODE(&td, MINT_CONV_I8_U4);
2722 #elif SIZEOF_VOID_P == 4
2723 if (*td.ip == CEE_CONV_OVF_I_UN)
2724 ADD_CODE(&td, MINT_CONV_OVF_I4_U4);
2728 g_assert_not_reached ();
2731 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I8);
2734 case CEE_CONV_OVF_I8_UN:
2735 case CEE_CONV_OVF_U8_UN:
2736 CHECK_STACK (&td, 1);
2737 switch (td.sp [-1].type) {
2739 ADD_CODE(&td, MINT_CONV_OVF_I8_UN_R8);
2742 if (*td.ip == CEE_CONV_OVF_I8_UN)
2743 ADD_CODE (&td, MINT_CONV_OVF_I8_U8);
2746 ADD_CODE(&td, MINT_CONV_I8_U4);
2749 g_assert_not_reached ();
2752 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I8);
2757 CHECK_STACK (&td, 1);
2758 token = read32 (td.ip + 1);
2759 if (method->wrapper_type != MONO_WRAPPER_NONE)
2760 klass = (MonoClass *)mono_method_get_wrapper_data (method, token);
2762 klass = mini_get_class (method, token, generic_context);
2764 if (mono_class_is_nullable (klass)) {
2765 MonoMethod *target_method = mono_class_get_method_from_name (klass, "Box", 1);
2766 /* td.ip is incremented by interp_transform_call */
2767 interp_transform_call (&td, method, target_method, domain, generic_context, is_bb_start, body_start_offset, NULL, FALSE);
2768 } else if (!klass->valuetype) {
2769 /* already boxed, do nothing. */
2772 if (mint_type (&klass->byval_arg) == MINT_TYPE_VT && !klass->enumtype) {
2773 size = mono_class_value_size (klass, NULL);
2774 size = (size + 7) & ~7;
2777 ADD_CODE(&td, MINT_BOX);
2778 ADD_CODE(&td, get_data_item_index (&td, klass));
2780 SET_TYPE(td.sp - 1, STACK_TYPE_O, klass);
2787 CHECK_STACK (&td, 1);
2788 token = read32 (td.ip + 1);
2790 if (method->wrapper_type != MONO_WRAPPER_NONE)
2791 klass = (MonoClass *)mono_method_get_wrapper_data (method, token);
2793 klass = mini_get_class (method, token, generic_context);
2795 unsigned char lentype = (td.sp - 1)->type;
2796 if (lentype == STACK_TYPE_I8) {
2797 /* mimic mini behaviour */
2798 ADD_CODE (&td, MINT_CONV_OVF_U4_I8);
2800 g_assert (lentype == STACK_TYPE_I4);
2801 ADD_CODE (&td, MINT_CONV_OVF_U4_I4);
2803 SET_SIMPLE_TYPE (td.sp - 1, STACK_TYPE_I4);
2804 ADD_CODE (&td, MINT_NEWARR);
2805 ADD_CODE (&td, get_data_item_index (&td, klass));
2806 SET_TYPE (td.sp - 1, STACK_TYPE_O, klass);
2811 CHECK_STACK (&td, 1);
2812 SIMPLE_OP (td, MINT_LDLEN);
2813 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I);
2816 CHECK_STACK (&td, 2);
2818 token = read32 (td.ip + 1);
2820 if (method->wrapper_type != MONO_WRAPPER_NONE)
2821 klass = (MonoClass *) mono_method_get_wrapper_data (method, token);
2823 klass = mini_get_class (method, token, generic_context);
2825 if (!klass->valuetype && method->wrapper_type == MONO_WRAPPER_NONE && !readonly) {
2826 ADD_CODE (&td, MINT_LDELEMA_TC);
2828 ADD_CODE (&td, MINT_LDELEMA);
2830 ADD_CODE (&td, get_data_item_index (&td, klass));
2831 /* according to spec, ldelema bytecode is only used for 1-dim arrays */
2837 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_MP);
2840 CHECK_STACK (&td, 2);
2842 SIMPLE_OP (td, MINT_LDELEM_I1);
2844 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2847 CHECK_STACK (&td, 2);
2849 SIMPLE_OP (td, MINT_LDELEM_U1);
2851 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2854 CHECK_STACK (&td, 2);
2856 SIMPLE_OP (td, MINT_LDELEM_I2);
2858 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2861 CHECK_STACK (&td, 2);
2863 SIMPLE_OP (td, MINT_LDELEM_U2);
2865 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2868 CHECK_STACK (&td, 2);
2870 SIMPLE_OP (td, MINT_LDELEM_I4);
2872 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2875 CHECK_STACK (&td, 2);
2877 SIMPLE_OP (td, MINT_LDELEM_U4);
2879 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2882 CHECK_STACK (&td, 2);
2884 SIMPLE_OP (td, MINT_LDELEM_I8);
2886 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I8);
2889 CHECK_STACK (&td, 2);
2891 SIMPLE_OP (td, MINT_LDELEM_I);
2893 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I);
2896 CHECK_STACK (&td, 2);
2898 SIMPLE_OP (td, MINT_LDELEM_R4);
2900 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_R8);
2903 CHECK_STACK (&td, 2);
2905 SIMPLE_OP (td, MINT_LDELEM_R8);
2907 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_R8);
2909 case CEE_LDELEM_REF:
2910 CHECK_STACK (&td, 2);
2912 SIMPLE_OP (td, MINT_LDELEM_REF);
2914 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_O);
2917 CHECK_STACK (&td, 2);
2918 token = read32 (td.ip + 1);
2919 klass = mini_get_class (method, token, generic_context);
2920 switch (mint_type (&klass->byval_arg)) {
2923 SIMPLE_OP (td, MINT_LDELEM_I1);
2925 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2929 SIMPLE_OP (td, MINT_LDELEM_U1);
2931 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2935 SIMPLE_OP (td, MINT_LDELEM_U2);
2937 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2941 SIMPLE_OP (td, MINT_LDELEM_I2);
2943 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2947 SIMPLE_OP (td, MINT_LDELEM_I4);
2949 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2953 SIMPLE_OP (td, MINT_LDELEM_I8);
2955 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I8);
2959 SIMPLE_OP (td, MINT_LDELEM_R4);
2961 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_R8);
2965 SIMPLE_OP (td, MINT_LDELEM_R8);
2967 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_R8);
2971 SIMPLE_OP (td, MINT_LDELEM_REF);
2973 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_O);
2975 case MINT_TYPE_VT: {
2976 int size = mono_class_value_size (klass, NULL);
2978 SIMPLE_OP (td, MINT_LDELEM_VT);
2979 ADD_CODE (&td, get_data_item_index (&td, klass));
2980 WRITE32 (&td, &size);
2982 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_VT);
2983 PUSH_VT (&td, size);
2987 GString *res = g_string_new ("");
2988 mono_type_get_desc (res, &klass->byval_arg, TRUE);
2989 g_print ("LDELEM: %s -> %d (%s)\n", klass->name, mint_type (&klass->byval_arg), res->str);
2990 g_string_free (res, TRUE);
2998 CHECK_STACK (&td, 3);
3000 SIMPLE_OP (td, MINT_STELEM_I);
3004 CHECK_STACK (&td, 3);
3006 SIMPLE_OP (td, MINT_STELEM_I1);
3010 CHECK_STACK (&td, 3);
3012 SIMPLE_OP (td, MINT_STELEM_I2);
3016 CHECK_STACK (&td, 3);
3018 SIMPLE_OP (td, MINT_STELEM_I4);
3022 CHECK_STACK (&td, 3);
3024 SIMPLE_OP (td, MINT_STELEM_I8);
3028 CHECK_STACK (&td, 3);
3030 SIMPLE_OP (td, MINT_STELEM_R4);
3034 CHECK_STACK (&td, 3);
3036 SIMPLE_OP (td, MINT_STELEM_R8);
3039 case CEE_STELEM_REF:
3040 CHECK_STACK (&td, 3);
3042 SIMPLE_OP (td, MINT_STELEM_REF);
3046 CHECK_STACK (&td, 3);
3048 token = read32 (td.ip + 1);
3049 klass = mini_get_class (method, token, generic_context);
3050 switch (mint_type (&klass->byval_arg)) {
3052 SIMPLE_OP (td, MINT_STELEM_U1);
3055 SIMPLE_OP (td, MINT_STELEM_U2);
3058 SIMPLE_OP (td, MINT_STELEM_I4);
3061 SIMPLE_OP (td, MINT_STELEM_I8);
3064 SIMPLE_OP (td, MINT_STELEM_REF);
3066 case MINT_TYPE_VT: {
3067 int size = mono_class_value_size (klass, NULL);
3068 SIMPLE_OP (td, MINT_STELEM_VT);
3069 ADD_CODE (&td, get_data_item_index (&td, klass));
3070 WRITE32 (&td, &size);
3075 GString *res = g_string_new ("");
3076 mono_type_get_desc (res, &klass->byval_arg, TRUE);
3077 g_print ("STELEM: %s -> %d (%s)\n", klass->name, mint_type (&klass->byval_arg), res->str);
3078 g_string_free (res, TRUE);
3087 case CEE_CONV_OVF_U1:
3089 case CEE_CONV_OVF_I8:
3091 #if SIZEOF_VOID_P == 8
3092 case CEE_CONV_OVF_U:
3096 CHECK_STACK (&td, 1);
3097 SIMPLE_OP (td, MINT_CKFINITE);
3100 CHECK_STACK (&td, 1);
3102 token = read32 (td.ip + 1);
3103 klass = mini_get_class (method, token, generic_context);
3105 ADD_CODE (&td, MINT_MKREFANY);
3106 ADD_CODE (&td, get_data_item_index (&td, klass));
3109 PUSH_VT (&td, sizeof (MonoTypedRef));
3110 SET_TYPE(td.sp - 1, STACK_TYPE_VT, mono_defaults.typed_reference_class);
3112 case CEE_REFANYVAL: {
3113 CHECK_STACK (&td, 1);
3115 token = read32 (td.ip + 1);
3117 ADD_CODE (&td, MINT_REFANYVAL);
3119 POP_VT (&td, sizeof (MonoTypedRef));
3120 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_MP);
3125 case CEE_CONV_OVF_I1:
3126 case CEE_CONV_OVF_I1_UN:
3127 CHECK_STACK (&td, 1);
3128 switch (td.sp [-1].type) {
3130 ADD_CODE(&td, MINT_CONV_OVF_I1_R8);
3133 ADD_CODE(&td, MINT_CONV_OVF_I1_I4);
3136 ADD_CODE(&td, MINT_CONV_OVF_I1_I8);
3139 g_assert_not_reached ();
3142 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
3144 case CEE_CONV_OVF_U1:
3145 case CEE_CONV_OVF_U1_UN:
3146 CHECK_STACK (&td, 1);
3147 switch (td.sp [-1].type) {
3149 ADD_CODE(&td, MINT_CONV_OVF_U1_R8);
3152 ADD_CODE(&td, MINT_CONV_OVF_U1_I4);
3155 ADD_CODE(&td, MINT_CONV_OVF_U1_I8);
3158 g_assert_not_reached ();
3161 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
3163 case CEE_CONV_OVF_I2:
3164 case CEE_CONV_OVF_I2_UN:
3165 CHECK_STACK (&td, 1);
3166 switch (td.sp [-1].type) {
3168 ADD_CODE(&td, MINT_CONV_OVF_I2_R8);
3171 ADD_CODE(&td, MINT_CONV_OVF_I2_I4);
3174 ADD_CODE(&td, MINT_CONV_OVF_I2_I8);
3177 g_assert_not_reached ();
3180 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
3182 case CEE_CONV_OVF_U2_UN:
3183 case CEE_CONV_OVF_U2:
3184 CHECK_STACK (&td, 1);
3185 switch (td.sp [-1].type) {
3187 ADD_CODE(&td, MINT_CONV_OVF_U2_R8);
3190 ADD_CODE(&td, MINT_CONV_OVF_U2_I4);
3193 ADD_CODE(&td, MINT_CONV_OVF_U2_I8);
3196 g_assert_not_reached ();
3199 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
3201 #if SIZEOF_VOID_P == 4
3202 case CEE_CONV_OVF_I:
3204 case CEE_CONV_OVF_I4:
3205 case CEE_CONV_OVF_I4_UN:
3206 CHECK_STACK (&td, 1);
3207 switch (td.sp [-1].type) {
3209 ADD_CODE(&td, MINT_CONV_OVF_I4_R8);
3212 if (*td.ip == CEE_CONV_OVF_I4_UN)
3213 ADD_CODE(&td, MINT_CONV_OVF_I4_U4);
3216 if (*td.ip == CEE_CONV_OVF_I4_UN)
3217 ADD_CODE (&td, MINT_CONV_OVF_I4_U8);
3219 ADD_CODE (&td, MINT_CONV_OVF_I4_I8);
3222 g_assert_not_reached ();
3225 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
3227 #if SIZEOF_VOID_P == 4
3228 case CEE_CONV_OVF_U:
3230 case CEE_CONV_OVF_U4:
3231 case CEE_CONV_OVF_U4_UN:
3232 CHECK_STACK (&td, 1);
3233 switch (td.sp [-1].type) {
3235 ADD_CODE(&td, MINT_CONV_OVF_U4_R8);
3238 if (*td.ip != CEE_CONV_OVF_U4_UN)
3239 ADD_CODE(&td, MINT_CONV_OVF_U4_I4);
3242 ADD_CODE(&td, MINT_CONV_OVF_U4_I8);
3245 g_assert_not_reached ();
3248 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
3250 #if SIZEOF_VOID_P == 8
3251 case CEE_CONV_OVF_I:
3253 case CEE_CONV_OVF_I8:
3254 CHECK_STACK (&td, 1);
3255 switch (td.sp [-1].type) {
3257 ADD_CODE(&td, MINT_CONV_OVF_I8_R8);
3260 ADD_CODE(&td, MINT_CONV_I8_I4);
3265 g_assert_not_reached ();
3268 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I8);
3270 #if SIZEOF_VOID_P == 8
3271 case CEE_CONV_OVF_U:
3273 case CEE_CONV_OVF_U8:
3274 CHECK_STACK (&td, 1);
3275 switch (td.sp [-1].type) {
3277 ADD_CODE(&td, MINT_CONV_OVF_U8_R8);
3280 ADD_CODE(&td, MINT_CONV_OVF_U8_I4);
3283 ADD_CODE (&td, MINT_CONV_OVF_U8_I8);
3286 g_assert_not_reached ();
3289 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I8);
3294 token = read32 (td.ip + 1);
3295 if (method->wrapper_type == MONO_WRAPPER_DYNAMIC_METHOD || method->wrapper_type == MONO_WRAPPER_SYNCHRONIZED) {
3296 handle = mono_method_get_wrapper_data (method, token);
3297 klass = (MonoClass *) mono_method_get_wrapper_data (method, token + 1);
3298 if (klass == mono_defaults.typehandle_class)
3299 handle = &((MonoClass *) handle)->byval_arg;
3301 if (generic_context) {
3302 handle = mono_class_inflate_generic_type_checked (handle, generic_context, &error);
3303 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
3306 handle = mono_ldtoken (image, token, &klass, generic_context);
3308 mono_class_init (klass);
3309 mt = mint_type (&klass->byval_arg);
3310 g_assert (mt == MINT_TYPE_VT);
3311 size = mono_class_value_size (klass, NULL);
3312 g_assert (size == sizeof(gpointer));
3313 PUSH_VT (&td, sizeof(gpointer));
3314 ADD_CODE (&td, MINT_LDTOKEN);
3315 ADD_CODE (&td, get_data_item_index (&td, handle));
3317 SET_TYPE (td.sp, stack_type [mt], klass);
3323 binary_arith_op(&td, MINT_ADD_OVF_I4);
3326 case CEE_ADD_OVF_UN:
3327 binary_arith_op(&td, MINT_ADD_OVF_UN_I4);
3331 binary_arith_op(&td, MINT_MUL_OVF_I4);
3334 case CEE_MUL_OVF_UN:
3335 binary_arith_op(&td, MINT_MUL_OVF_UN_I4);
3339 binary_arith_op(&td, MINT_SUB_OVF_I4);
3342 case CEE_SUB_OVF_UN:
3343 binary_arith_op(&td, MINT_SUB_OVF_UN_I4);
3346 case CEE_ENDFINALLY:
3347 g_assert (td.clause_indexes [in_offset] != -1);
3349 SIMPLE_OP (td, MINT_ENDFINALLY);
3350 ADD_CODE (&td, td.clause_indexes [in_offset]);
3351 generating_code = 0;
3355 handle_branch (&td, MINT_LEAVE_S, MINT_LEAVE, 5 + read32 (td.ip + 1));
3357 generating_code = 0;
3361 handle_branch (&td, MINT_LEAVE_S, MINT_LEAVE, 2 + (gint8)td.ip [1]);
3363 generating_code = 0;
3368 case CEE_MONO_CALLI_EXTRA_ARG:
3369 /* Same as CEE_CALLI, except that we drop the extra arg required for llvm specific behaviour */
3370 ADD_CODE (&td, MINT_POP);
3373 interp_transform_call (&td, method, NULL, domain, generic_context, is_bb_start, body_start_offset, NULL, FALSE);
3375 case CEE_MONO_JIT_ICALL_ADDR: {
3378 MonoJitICallInfo *info;
3380 token = read32 (td.ip + 1);
3382 func = mono_method_get_wrapper_data (method, token);
3383 info = mono_find_jit_icall_by_addr (func);
3385 ADD_CODE (&td, MINT_LDFTN);
3386 ADD_CODE (&td, get_data_item_index (&td, func));
3387 PUSH_SIMPLE_TYPE (&td, STACK_TYPE_I);
3390 case CEE_MONO_ICALL: {
3393 MonoJitICallInfo *info;
3395 token = read32 (td.ip + 1);
3397 func = mono_method_get_wrapper_data (method, token);
3398 info = mono_find_jit_icall_by_addr (func);
3401 CHECK_STACK (&td, info->sig->param_count);
3402 switch (info->sig->param_count) {
3404 if (MONO_TYPE_IS_VOID (info->sig->ret))
3405 ADD_CODE (&td,MINT_ICALL_V_V);
3407 ADD_CODE (&td, MINT_ICALL_V_P);
3410 if (MONO_TYPE_IS_VOID (info->sig->ret))
3411 ADD_CODE (&td,MINT_ICALL_P_V);
3413 ADD_CODE (&td,MINT_ICALL_P_P);
3416 if (MONO_TYPE_IS_VOID (info->sig->ret)) {
3417 if (info->sig->params [1]->type == MONO_TYPE_I4)
3418 ADD_CODE (&td,MINT_ICALL_PI_V);
3420 ADD_CODE (&td,MINT_ICALL_PP_V);
3422 if (info->sig->params [1]->type == MONO_TYPE_I4)
3423 ADD_CODE (&td,MINT_ICALL_PI_P);
3425 ADD_CODE (&td,MINT_ICALL_PP_P);
3429 g_assert (MONO_TYPE_IS_VOID (info->sig->ret));
3430 if (info->sig->params [2]->type == MONO_TYPE_I4)
3431 ADD_CODE (&td,MINT_ICALL_PPI_V);
3433 ADD_CODE (&td,MINT_ICALL_PPP_V);
3436 g_assert_not_reached ();
3439 if (func == mono_ftnptr_to_delegate) {
3440 g_error ("TODO: ?");
3442 ADD_CODE(&td, get_data_item_index (&td, func));
3443 td.sp -= info->sig->param_count;
3445 if (!MONO_TYPE_IS_VOID (info->sig->ret)) {
3447 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I);
3451 case CEE_MONO_VTADDR: {
3453 CHECK_STACK (&td, 1);
3454 if (method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE)
3455 size = mono_class_native_size(td.sp [-1].klass, NULL);
3457 size = mono_class_value_size(td.sp [-1].klass, NULL);
3458 size = (size + 7) & ~7;
3459 ADD_CODE(&td, MINT_VTRESULT);
3461 WRITE32(&td, &size);
3464 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_MP);
3467 case CEE_MONO_LDPTR:
3468 case CEE_MONO_CLASSCONST:
3469 token = read32 (td.ip + 1);
3471 ADD_CODE(&td, MINT_MONO_LDPTR);
3472 ADD_CODE(&td, get_data_item_index (&td, mono_method_get_wrapper_data (method, token)));
3473 td.sp [0].type = STACK_TYPE_I;
3476 case CEE_MONO_OBJADDR:
3477 CHECK_STACK (&td, 1);
3479 td.sp[-1].type = STACK_TYPE_MP;
3482 case CEE_MONO_NEWOBJ:
3483 token = read32 (td.ip + 1);
3485 ADD_CODE(&td, MINT_MONO_NEWOBJ);
3486 ADD_CODE(&td, get_data_item_index (&td, mono_method_get_wrapper_data (method, token)));
3487 td.sp [0].type = STACK_TYPE_O;
3490 case CEE_MONO_RETOBJ:
3491 CHECK_STACK (&td, 1);
3492 token = read32 (td.ip + 1);
3494 ADD_CODE(&td, MINT_MONO_RETOBJ);
3497 klass = (MonoClass *)mono_method_get_wrapper_data (method, token);
3499 /*stackval_from_data (signature->ret, frame->retval, sp->data.vt, signature->pinvoke);*/
3501 if (td.sp > td.stack)
3502 g_warning ("CEE_MONO_RETOBJ: more values on stack: %d", td.sp-td.stack);
3504 case CEE_MONO_LDNATIVEOBJ:
3505 token = read32 (td.ip + 1);
3507 klass = (MonoClass *)mono_method_get_wrapper_data (method, token);
3508 g_assert(klass->valuetype);
3509 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_MP);
3511 case CEE_MONO_TLS: {
3512 gint32 key = read32 (td.ip + 1);
3514 g_assert (key < TLS_KEY_NUM);
3515 ADD_CODE (&td, MINT_MONO_TLS);
3516 WRITE32 (&td, &key);
3517 PUSH_SIMPLE_TYPE (&td, STACK_TYPE_MP);
3520 case CEE_MONO_ATOMIC_STORE_I4:
3521 CHECK_STACK (&td, 2);
3522 SIMPLE_OP (td, MINT_MONO_ATOMIC_STORE_I4);
3526 case CEE_MONO_SAVE_LMF:
3527 case CEE_MONO_RESTORE_LMF:
3528 case CEE_MONO_NOT_TAKEN:
3531 case CEE_MONO_LDPTR_INT_REQ_FLAG:
3532 ADD_CODE (&td, MINT_MONO_LDPTR);
3533 ADD_CODE (&td, get_data_item_index (&td, mono_thread_interruption_request_flag ()));
3534 PUSH_TYPE (&td, STACK_TYPE_MP, NULL);
3537 case CEE_MONO_JIT_ATTACH:
3538 ADD_CODE (&td, MINT_MONO_JIT_ATTACH);
3541 case CEE_MONO_JIT_DETACH:
3542 ADD_CODE (&td, MINT_MONO_JIT_DETACH);
3546 g_error ("transform.c: Unimplemented opcode: 0xF0 %02x at 0x%x\n", *td.ip, td.ip-header->code);
3556 case CEE_PREFIXREF: ves_abort(); break;
3559 * Note: Exceptions thrown when executing a prefixed opcode need
3560 * to take into account the number of prefix bytes (usually the
3561 * throw point is just (ip - n_prefix_bytes).
3567 case CEE_ARGLIST: ves_abort(); break;
3570 CHECK_STACK(&td, 2);
3571 if (td.sp [-1].type == STACK_TYPE_O || td.sp [-1].type == STACK_TYPE_MP)
3572 ADD_CODE(&td, MINT_CEQ_I4 + STACK_TYPE_I - STACK_TYPE_I4);
3574 ADD_CODE(&td, MINT_CEQ_I4 + td.sp [-1].type - STACK_TYPE_I4);
3576 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
3580 CHECK_STACK(&td, 2);
3581 if (td.sp [-1].type == STACK_TYPE_O || td.sp [-1].type == STACK_TYPE_MP)
3582 ADD_CODE(&td, MINT_CGT_I4 + STACK_TYPE_I - STACK_TYPE_I4);
3584 ADD_CODE(&td, MINT_CGT_I4 + td.sp [-1].type - STACK_TYPE_I4);
3586 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
3590 CHECK_STACK(&td, 2);
3591 if (td.sp [-1].type == STACK_TYPE_O || td.sp [-1].type == STACK_TYPE_MP)
3592 ADD_CODE(&td, MINT_CGT_UN_I4 + STACK_TYPE_I - STACK_TYPE_I4);
3594 ADD_CODE(&td, MINT_CGT_UN_I4 + td.sp [-1].type - STACK_TYPE_I4);
3596 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
3600 CHECK_STACK(&td, 2);
3601 if (td.sp [-1].type == STACK_TYPE_O || td.sp [-1].type == STACK_TYPE_MP)
3602 ADD_CODE(&td, MINT_CLT_I4 + STACK_TYPE_I - STACK_TYPE_I4);
3604 ADD_CODE(&td, MINT_CLT_I4 + td.sp [-1].type - STACK_TYPE_I4);
3606 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
3610 CHECK_STACK(&td, 2);
3611 if (td.sp [-1].type == STACK_TYPE_O || td.sp [-1].type == STACK_TYPE_MP)
3612 ADD_CODE(&td, MINT_CLT_UN_I4 + STACK_TYPE_I - STACK_TYPE_I4);
3614 ADD_CODE(&td, MINT_CLT_UN_I4 + td.sp [-1].type - STACK_TYPE_I4);
3616 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
3619 case CEE_LDVIRTFTN: /* fallthrough */
3622 if (*td.ip == CEE_LDVIRTFTN) {
3623 CHECK_STACK (&td, 1);
3626 token = read32 (td.ip + 1);
3627 if (method->wrapper_type != MONO_WRAPPER_NONE)
3628 m = (MonoMethod *)mono_method_get_wrapper_data (method, token);
3630 m = mono_get_method_full (image, token, NULL, generic_context);
3632 if (method->wrapper_type == MONO_WRAPPER_NONE && m->iflags & METHOD_IMPL_ATTRIBUTE_SYNCHRONIZED)
3633 m = mono_marshal_get_synchronized_wrapper (m);
3635 ADD_CODE(&td, *td.ip == CEE_LDFTN ? MINT_LDFTN : MINT_LDVIRTFTN);
3636 ADD_CODE(&td, get_data_item_index (&td, mono_interp_get_runtime_method (domain, m, &error)));
3637 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
3639 PUSH_SIMPLE_TYPE (&td, STACK_TYPE_F);
3643 load_arg (&td, read16 (td.ip + 1));
3647 int n = read16 (td.ip + 1);
3648 ADD_CODE (&td, MINT_LDARGA);
3649 ADD_CODE (&td, td.rtm->arg_offsets [n]); /* FIX for large offsets */
3650 PUSH_SIMPLE_TYPE(&td, STACK_TYPE_MP);
3655 store_arg (&td, read16 (td.ip + 1));
3659 load_local (&td, read16 (td.ip + 1));
3663 ADD_CODE(&td, MINT_LDLOCA_S);
3664 ADD_CODE(&td, td.rtm->local_offsets [read16 (td.ip + 1)]);
3665 PUSH_SIMPLE_TYPE(&td, STACK_TYPE_MP);
3669 store_local (&td, read16 (td.ip + 1));
3673 CHECK_STACK (&td, 1);
3674 #if SIZEOF_VOID_P == 8
3675 if (td.sp [-1].type == STACK_TYPE_I8)
3676 ADD_CODE(&td, MINT_CONV_I4_I8);
3678 ADD_CODE(&td, MINT_LOCALLOC);
3679 if (td.sp != td.stack + 1)
3680 g_warning("CEE_LOCALLOC: stack not empty");
3682 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_MP);
3685 case CEE_UNUSED57: ves_abort(); break;
3688 ADD_CODE (&td, MINT_ENDFILTER);
3691 case CEE_UNALIGNED_:
3696 /* FIX: should do something? */;
3700 /* FIX: should do something? */;
3703 CHECK_STACK(&td, 1);
3704 token = read32 (td.ip + 1);
3705 klass = mini_get_class (method, token, generic_context);
3706 if (klass->valuetype) {
3707 ADD_CODE (&td, MINT_INITOBJ);
3708 i32 = mono_class_value_size (klass, NULL);
3709 WRITE32 (&td, &i32);
3711 ADD_CODE (&td, MINT_LDNULL);
3712 ADD_CODE (&td, MINT_STIND_REF);
3718 CHECK_STACK(&td, 3);
3719 /* FIX? convert length to I8? */
3720 ADD_CODE(&td, MINT_CPBLK);
3728 case CEE_CONSTRAINED_:
3729 token = read32 (td.ip + 1);
3730 constrained_class = mini_get_class (method, token, generic_context);
3731 mono_class_init (constrained_class);
3735 CHECK_STACK(&td, 3);
3736 ADD_CODE(&td, MINT_INITBLK);
3742 /* FIXME: implement */
3747 SIMPLE_OP (td, MINT_RETHROW);
3748 generating_code = 0;
3752 token = read32 (td.ip + 1);
3754 if (mono_metadata_token_table (token) == MONO_TABLE_TYPESPEC && !image_is_dynamic (method->klass->image) && !generic_context) {
3756 MonoType *type = mono_type_create_from_typespec (image, token);
3757 size = mono_type_size (type, &align);
3760 MonoClass *szclass = mini_get_class (method, token, generic_context);
3761 mono_class_init (szclass);
3763 if (!szclass->valuetype)
3764 THROW_EX (mono_exception_from_name (mono_defaults.corlib, "System", "InvalidProgramException"), ip - 5);
3766 size = mono_type_size (&szclass->byval_arg, &align);
3768 ADD_CODE(&td, MINT_LDC_I4);
3769 WRITE32(&td, &size);
3770 PUSH_SIMPLE_TYPE(&td, STACK_TYPE_I4);
3773 case CEE_REFANYTYPE:
3774 ADD_CODE (&td, MINT_REFANYTYPE);
3776 POP_VT (&td, sizeof (MonoTypedRef));
3777 PUSH_VT (&td, sizeof (gpointer));
3778 SET_TYPE(td.sp - 1, STACK_TYPE_VT, NULL);
3781 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);
3785 g_error ("transform.c: Unimplemented opcode: %02x at 0x%x\n", *td.ip, td.ip-header->code);
3788 if (td.new_ip - td.new_code != new_in_start_offset)
3789 td.last_new_ip = td.new_code + new_in_start_offset;
3790 else if (td.is_bb_start [td.in_start - td.il_code])
3791 td.is_bb_start [td.ip - td.il_code] = 1;
3793 td.last_ip = td.in_start;
3796 /* Handle relocations */
3797 for (int i = 0; i < td.relocs->len; ++i) {
3798 Reloc *reloc = g_ptr_array_index (td.relocs, i);
3800 int offset = td.in_offsets [reloc->target] - reloc->offset;
3802 switch (reloc->type) {
3803 case RELOC_SHORT_BRANCH:
3804 g_assert (td.new_code [reloc->offset + 1] == 0xffff);
3805 td.new_code [reloc->offset + 1] = offset;
3807 case RELOC_LONG_BRANCH: {
3808 guint16 *v = (guint16 *) &offset;
3809 g_assert (td.new_code [reloc->offset + 1] == 0xbeef);
3810 g_assert (td.new_code [reloc->offset + 2] == 0xdead);
3811 td.new_code [reloc->offset + 1] = *(guint16 *) v;
3812 td.new_code [reloc->offset + 2] = *(guint16 *) (v + 1);
3815 case RELOC_SWITCH: {
3816 guint16 *v = (guint16*)&offset;
3817 td.new_code [reloc->offset] = *(guint16*)v;
3818 td.new_code [reloc->offset + 1] = *(guint16*)(v + 1);
3822 g_assert_not_reached ();
3827 if (td.verbose_level) {
3828 const guint16 *p = td.new_code;
3829 printf("Runtime method: %s %p, VT stack size: %d\n", mono_method_full_name (method, TRUE), rtm, td.max_vt_sp);
3830 printf("Calculated stack size: %d, stated size: %d\n", td.max_stack_height, header->max_stack);
3831 while (p < td.new_ip) {
3832 p = mono_interp_dis_mintop(td.new_code, p);
3836 g_assert (td.max_stack_height <= (header->max_stack + 1));
3838 int code_len = td.new_ip - td.new_code;
3840 rtm->clauses = mono_domain_alloc0 (domain, header->num_clauses * sizeof (MonoExceptionClause));
3841 memcpy (rtm->clauses, header->clauses, header->num_clauses * sizeof(MonoExceptionClause));
3842 rtm->code = mono_domain_alloc0 (domain, (td.new_ip - td.new_code) * sizeof (gushort));
3843 memcpy (rtm->code, td.new_code, (td.new_ip - td.new_code) * sizeof(gushort));
3844 g_free (td.new_code);
3845 rtm->new_body_start = rtm->code + body_start_offset;
3846 rtm->num_clauses = header->num_clauses;
3847 for (i = 0; i < header->num_clauses; i++) {
3848 MonoExceptionClause *c = rtm->clauses + i;
3849 int end_off = c->try_offset + c->try_len;
3850 c->try_offset = td.in_offsets [c->try_offset];
3851 c->try_len = td.in_offsets [end_off] - c->try_offset;
3852 end_off = c->handler_offset + c->handler_len;
3853 c->handler_offset = td.in_offsets [c->handler_offset];
3854 c->handler_len = td.in_offsets [end_off] - c->handler_offset;
3855 if (c->flags & MONO_EXCEPTION_CLAUSE_FILTER)
3856 c->data.filter_offset = td.in_offsets [c->data.filter_offset];
3858 rtm->vt_stack_size = td.max_vt_sp;
3859 rtm->alloca_size = rtm->locals_size + rtm->args_size + rtm->vt_stack_size + rtm->stack_size;
3860 rtm->data_items = mono_domain_alloc0 (domain, td.n_data_items * sizeof (td.data_items [0]));
3861 memcpy (rtm->data_items, td.data_items, td.n_data_items * sizeof (td.data_items [0]));
3863 /* Save debug info */
3864 interp_save_debug_info (rtm, header, &td, line_numbers);
3866 /* Create a MonoJitInfo for the interpreted method by creating the interpreter IR as the native code. */
3867 int jinfo_len = mono_jit_info_size (0, header->num_clauses, 0);
3868 MonoJitInfo *jinfo = (MonoJitInfo *)mono_domain_alloc0 (domain, jinfo_len);
3869 jinfo->is_interp = 1;
3871 mono_jit_info_init (jinfo, method, (guint8*)rtm->code, code_len, 0, header->num_clauses, 0);
3872 for (i = 0; i < jinfo->num_clauses; ++i) {
3873 MonoJitExceptionInfo *ei = &jinfo->clauses [i];
3874 MonoExceptionClause *c = rtm->clauses + i;
3876 ei->flags = c->flags;
3877 ei->try_start = (guint8*)(rtm->code + c->try_offset);
3878 ei->try_end = (guint8*)(rtm->code + c->try_offset + c->try_len);
3879 ei->handler_start = (guint8*)(rtm->code + c->handler_offset);
3880 if (ei->flags == MONO_EXCEPTION_CLAUSE_FILTER || ei->flags == MONO_EXCEPTION_CLAUSE_FINALLY) {
3882 ei->data.catch_class = c->data.catch_class;
3886 save_seq_points (&td);
3888 g_free (td.in_offsets);
3889 for (i = 0; i < header->code_size; ++i)
3890 g_free (td.stack_state [i]);
3891 g_free (td.stack_state);
3892 g_free (td.stack_height);
3893 g_free (td.vt_stack_size);
3894 g_free (td.data_items);
3896 g_hash_table_destroy (td.data_hash);
3897 g_free (td.clause_indexes);
3898 g_ptr_array_free (td.seq_points, TRUE);
3899 g_array_free (line_numbers, TRUE);
3900 g_ptr_array_free (td.relocs, TRUE);
3901 mono_mempool_destroy (td.mempool);
3904 static mono_mutex_t calc_section;
3907 mono_interp_transform_init (void)
3909 mono_os_mutex_init_recursive(&calc_section);
3913 mono_interp_transform_method (RuntimeMethod *runtime_method, ThreadContext *context)
3915 int i, align, size, offset;
3916 MonoMethod *method = runtime_method->method;
3917 MonoImage *image = method->klass->image;
3918 MonoMethodHeader *header = mono_method_get_header (method);
3919 MonoMethodSignature *signature = mono_method_signature (method);
3920 register const unsigned char *ip, *end;
3921 const MonoOpcode *opcode;
3924 unsigned char *is_bb_start;
3926 MonoVTable *method_class_vt;
3928 MonoGenericContext *generic_context = NULL;
3929 MonoDomain *domain = runtime_method->domain;
3931 // g_printerr ("TRANSFORM(0x%016lx): begin %s::%s\n", mono_thread_current (), method->klass->name, method->name);
3932 method_class_vt = mono_class_vtable (domain, runtime_method->method->klass);
3933 if (!method_class_vt->initialized) {
3936 MonoInvocation *last_env_frame = context->env_frame;
3937 jmp_buf *old_env = context->current_env;
3938 error_init (&error);
3941 MonoException *failed = context->env_frame->ex;
3942 context->env_frame->ex = NULL;
3943 context->env_frame = last_env_frame;
3944 context->current_env = old_env;
3947 context->env_frame = context->current_frame;
3948 context->current_env = &env;
3949 mono_runtime_class_init_full (method_class_vt, &error);
3950 if (!mono_error_ok (&error)) {
3951 return mono_error_convert_to_exception (&error);
3953 context->env_frame = last_env_frame;
3954 context->current_env = old_env;
3957 mono_profiler_method_jit (method); /* sort of... */
3959 if (mono_method_signature (method)->is_inflated)
3960 generic_context = mono_method_get_context (method);
3962 MonoGenericContainer *generic_container = mono_method_get_generic_container (method);
3963 if (generic_container)
3964 generic_context = &generic_container->context;
3967 if (method->iflags & (METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL | METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
3968 MonoMethod *nm = NULL;
3969 mono_os_mutex_lock(&calc_section);
3970 if (runtime_method->transformed) {
3971 mono_os_mutex_unlock(&calc_section);
3972 mono_profiler_method_end_jit (method, runtime_method->jinfo, MONO_PROFILE_OK);
3976 /* assumes all internal calls with an array this are built in... */
3977 if (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL && (! mono_method_signature (method)->hasthis || method->klass->rank == 0)) {
3978 nm = mono_marshal_get_native_wrapper (method, TRUE, FALSE);
3979 signature = mono_method_signature (nm);
3981 const char *name = method->name;
3982 if (method->klass->parent == mono_defaults.multicastdelegate_class) {
3983 if (*name == '.' && (strcmp (name, ".ctor") == 0)) {
3984 MonoJitICallInfo *mi = mono_find_jit_icall_by_name ("ves_icall_mono_delegate_ctor");
3986 char *wrapper_name = g_strdup_printf ("__icall_wrapper_%s", mi->name);
3987 nm = mono_marshal_get_icall_wrapper (mi->sig, wrapper_name, mi->func, TRUE);
3988 } else if (*name == 'I' && (strcmp (name, "Invoke") == 0)) {
3989 nm = mono_marshal_get_delegate_invoke (method, NULL);
3990 } else if (*name == 'B' && (strcmp (name, "BeginInvoke") == 0)) {
3991 nm = mono_marshal_get_delegate_begin_invoke (method);
3992 } else if (*name == 'E' && (strcmp (name, "EndInvoke") == 0)) {
3993 nm = mono_marshal_get_delegate_end_invoke (method);
3997 runtime_method->code = g_malloc(sizeof(short));
3998 runtime_method->code[0] = MINT_CALLRUN;
4002 runtime_method->stack_size = sizeof (stackval); /* for tracing */
4003 runtime_method->alloca_size = runtime_method->stack_size;
4004 runtime_method->transformed = TRUE;
4005 mono_os_mutex_unlock(&calc_section);
4006 mono_profiler_method_end_jit (method, NULL, MONO_PROFILE_OK);
4010 header = mono_method_get_header (nm);
4011 mono_os_mutex_unlock(&calc_section);
4012 } else if (method->klass == mono_defaults.array_class) {
4013 if (!strcmp (method->name, "UnsafeMov") || !strcmp (method->name, "UnsafeLoad")) {
4014 mono_os_mutex_lock (&calc_section);
4015 if (!runtime_method->transformed) {
4016 runtime_method->code = g_malloc (sizeof (short));
4017 runtime_method->code[0] = MINT_CALLRUN;
4018 runtime_method->stack_size = sizeof (stackval); /* for tracing */
4019 runtime_method->alloca_size = runtime_method->stack_size;
4020 runtime_method->transformed = TRUE;
4022 mono_os_mutex_unlock(&calc_section);
4023 mono_profiler_method_end_jit (method, NULL, MONO_PROFILE_OK);
4025 } else if (!strcmp (method->name, "UnsafeStore")) {
4029 g_assert ((signature->param_count + signature->hasthis) < 1000);
4030 g_assert (header->max_stack < 10000);
4031 /* intern the strings in the method. */
4033 end = ip + header->code_size;
4035 is_bb_start = g_malloc0(header->code_size);
4036 is_bb_start [0] = 1;
4043 else if (in == 0xf0) {
4045 in = *ip + MONO_CEE_MONO_ICALL;
4047 opcode = &mono_opcodes [in];
4048 switch (opcode->argument) {
4049 case MonoInlineNone:
4052 case MonoInlineString:
4053 if (method->wrapper_type == MONO_WRAPPER_NONE)
4054 mono_ldstr (domain, image, mono_metadata_token_index (read32 (ip + 1)));
4057 case MonoInlineType:
4058 if (method->wrapper_type == MONO_WRAPPER_NONE) {
4059 class = mini_get_class (method, read32 (ip + 1), generic_context);
4060 mono_class_init (class);
4061 /* quick fix to not do this for the fake ptr classes - probably should not be getting the vtable at all here */
4063 g_error ("FIXME: interface method lookup: %s (in method %s)", class->name, method->name);
4064 if (!(class->flags & TYPE_ATTRIBUTE_INTERFACE) && class->interface_offsets != NULL)
4065 mono_class_vtable (domain, class);
4070 case MonoInlineMethod:
4071 if (method->wrapper_type == MONO_WRAPPER_NONE && *ip != CEE_CALLI) {
4072 m = mono_get_method_full (image, read32 (ip + 1), NULL, generic_context);
4074 g_free (is_bb_start);
4075 g_error ("FIXME: where to get method and class string?");
4077 // return mono_get_exception_missing_method ();
4079 mono_class_init (m->klass);
4080 if (!mono_class_is_interface (m->klass))
4081 mono_class_vtable (domain, m->klass);
4085 case MonoInlineField:
4089 case MonoShortInlineR:
4092 case MonoInlineBrTarget:
4093 offset = read32 (ip + 1);
4095 backwards = offset < 0;
4096 offset += ip - header->code;
4097 g_assert (offset >= 0 && offset < header->code_size);
4098 is_bb_start [offset] |= backwards ? 2 : 1;
4100 case MonoShortInlineBrTarget:
4101 offset = ((gint8 *)ip) [1];
4103 backwards = offset < 0;
4104 offset += ip - header->code;
4105 g_assert (offset >= 0 && offset < header->code_size);
4106 is_bb_start [offset] |= backwards ? 2 : 1;
4111 case MonoShortInlineVar:
4112 case MonoShortInlineI:
4115 case MonoInlineSwitch: {
4117 const unsigned char *next_ip;
4121 next_ip = ip + 4 * n;
4122 for (i = 0; i < n; i++) {
4123 offset = read32 (ip);
4124 backwards = offset < 0;
4125 offset += next_ip - header->code;
4126 g_assert (offset >= 0 && offset < header->code_size);
4127 is_bb_start [offset] |= backwards ? 2 : 1;
4137 g_assert_not_reached ();
4140 // g_printerr ("TRANSFORM(0x%016lx): end %s::%s\n", mono_thread_current (), method->klass->name, method->name);
4142 /* the rest needs to be locked so it is only done once */
4143 mono_os_mutex_lock(&calc_section);
4144 if (runtime_method->transformed) {
4145 mono_os_mutex_unlock(&calc_section);
4146 g_free (is_bb_start);
4147 mono_profiler_method_end_jit (method, runtime_method->jinfo, MONO_PROFILE_OK);
4151 runtime_method->local_offsets = g_malloc (header->num_locals * sizeof(guint32));
4152 runtime_method->stack_size = (sizeof (stackval)) * (header->max_stack + 2); /* + 1 for returns of called functions + 1 for 0-ing in trace*/
4153 runtime_method->stack_size = (runtime_method->stack_size + 7) & ~7;
4155 for (i = 0; i < header->num_locals; ++i) {
4156 size = mono_type_size (header->locals [i], &align);
4157 offset += align - 1;
4158 offset &= ~(align - 1);
4159 runtime_method->local_offsets [i] = offset;
4162 offset = (offset + 7) & ~7;
4163 runtime_method->locals_size = offset;
4164 g_assert (runtime_method->locals_size < 65536);
4166 runtime_method->arg_offsets = g_malloc ((!!signature->hasthis + signature->param_count) * sizeof(guint32));
4168 if (signature->hasthis) {
4169 g_assert (!signature->pinvoke);
4170 size = mono_type_stack_size (&method->klass->byval_arg, &align);
4171 offset += align - 1;
4172 offset &= ~(align - 1);
4173 runtime_method->arg_offsets [0] = offset;
4177 for (i = 0; i < signature->param_count; ++i) {
4178 if (signature->pinvoke) {
4180 size = mono_type_native_stack_size (signature->params [i], &dummy);
4184 size = mono_type_stack_size (signature->params [i], &align);
4185 offset += align - 1;
4186 offset &= ~(align - 1);
4187 runtime_method->arg_offsets [i + !!signature->hasthis] = offset;
4190 offset = (offset + 7) & ~7;
4191 runtime_method->args_size = offset;
4192 g_assert (runtime_method->args_size < 10000);
4194 generate (method, runtime_method, is_bb_start, generic_context);
4196 g_free (is_bb_start);
4198 // FIXME: Add a different callback ?
4199 mono_profiler_method_end_jit (method, runtime_method->jinfo, MONO_PROFILE_OK);
4200 runtime_method->transformed = TRUE;
4201 mono_os_mutex_unlock(&calc_section);