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[interpreter] fix multicast delegates
[mono-project.git] / mono / mini / interpreter / transform.c
blob6be069cb1abcf0961959421fb817ab38181ead9a
1 /*
2 * transform CIL into different opcodes for more
3 * efficient interpretation
4 *
5 * Written by Bernie Solomon (bernard@ugsolutions.com)
6 * Copyright (c) 2004.
7 */
8
9 #include <string.h>
10 #include <mono/metadata/appdomain.h>
11 #include <mono/metadata/debug-helpers.h>
12 #include <mono/metadata/exception.h>
13 #include <mono/metadata/mono-endian.h>
14 #include <mono/metadata/marshal.h>
15 #include <mono/metadata/profiler-private.h>
16 #include <mono/metadata/tabledefs.h>
17
18 #define OPDEF(a,b,c,d,e,f,g,h,i,j) \
19 a = i,
20
21 enum {
22 #include "mono/cil/opcode.def"
23 CEE_LASTOP
24 };
25 #undef OPDEF
26
27 #include "mintops.h"
28 #include "interp.h"
29
30 #define DEBUG 0
31
32 typedef struct
33 {
34 MonoClass *klass;
35 unsigned char type;
36 unsigned char flags;
37 } StackInfo;
38
39 typedef struct
40 {
41 MonoMethod *method;
42 MonoMethodHeader *header;
43 RuntimeMethod *rtm;
44 const unsigned char *il_code;
45 const unsigned char *ip;
46 const unsigned char *last_ip;
47 const unsigned char *in_start;
48 int code_size;
49 int *in_offsets;
50 int *forward_refs;
51 StackInfo **stack_state;
52 int *stack_height;
53 int *vt_stack_size;
54 unsigned char *is_bb_start;
55 unsigned short *new_code;
56 unsigned short *new_code_end;
57 unsigned short *new_ip;
58 unsigned short *last_new_ip;
59 unsigned int max_code_size;
60 StackInfo *stack;
61 StackInfo *sp;
62 unsigned int max_stack_height;
63 unsigned int vt_sp;
64 unsigned int max_vt_sp;
65 int n_data_items;
66 int max_data_items;
67 void **data_items;
68 GHashTable *data_hash;
69 } TransformData;
70
71 #define MINT_TYPE_I1 0
72 #define MINT_TYPE_U1 1
73 #define MINT_TYPE_I2 2
74 #define MINT_TYPE_U2 3
75 #define MINT_TYPE_I4 4
76 #define MINT_TYPE_I8 5
77 #define MINT_TYPE_R4 6
78 #define MINT_TYPE_R8 7
79 #define MINT_TYPE_O 8
80 #define MINT_TYPE_P 9
81 #define MINT_TYPE_VT 10
82
83 #define STACK_TYPE_I4 0
84 #define STACK_TYPE_I8 1
85 #define STACK_TYPE_R8 2
86 #define STACK_TYPE_O 3
87 #define STACK_TYPE_VT 4
88 #define STACK_TYPE_MP 5
89 #define STACK_TYPE_F 6
90
91 static const char *stack_type_string [] = { "I4", "I8", "R8", "O ", "VT", "MP", "F " };
92
93 #if SIZEOF_VOID_P == 8
94 #define STACK_TYPE_I STACK_TYPE_I8
95 #else
96 #define STACK_TYPE_I STACK_TYPE_I4
97 #endif
98
99 static int stack_type [] = {
100 STACK_TYPE_I4, /*I1*/
101 STACK_TYPE_I4, /*U1*/
102 STACK_TYPE_I4, /*I2*/
103 STACK_TYPE_I4, /*U2*/
104 STACK_TYPE_I4, /*I4*/
105 STACK_TYPE_I8, /*I8*/
106 STACK_TYPE_R8, /*R4*/
107 STACK_TYPE_R8, /*R8*/
108 STACK_TYPE_O, /*O*/
109 STACK_TYPE_MP, /*P*/
110 STACK_TYPE_VT
111 };
112
113 static void
114 grow_code (TransformData *td)
115 {
116 unsigned int old_ip_offset = td->new_ip - td->new_code;
117 unsigned int old_last_ip_offset = td->last_new_ip - td->new_code;
118 g_assert (old_ip_offset <= td->max_code_size);
119 td->new_code = g_realloc (td->new_code, (td->max_code_size *= 2) * sizeof (td->new_code [0]));
120 td->new_code_end = td->new_code + td->max_code_size;
121 td->new_ip = td->new_code + old_ip_offset;
122 td->last_new_ip = td->new_code + old_last_ip_offset;
123 }
124
125 #define ENSURE_CODE(td, n) \
126 do { \
127 if ((td)->new_ip + (n) > (td)->new_code_end) \
128 grow_code (td); \
129 } while (0)
130
131 #define ADD_CODE(td, n) \
132 do { \
133 if ((td)->new_ip == (td)->new_code_end) \
134 grow_code (td); \
135 *(td)->new_ip++ = (n); \
136 } while (0)
137
138 #define CHECK_STACK(td, n) \
139 do { \
140 int stack_size = (td)->sp - (td)->stack; \
141 if (stack_size < (n)) \
142 g_warning ("%s.%s: not enough values (%d < %d) on stack at %04x", \
143 (td)->method->klass->name, (td)->method->name, \
144 stack_size, n, (td)->ip - (td)->il_code); \
145 } while (0)
146
147 #define ENSURE_I4(td, sp_off) \
148 do { \
149 if ((td)->sp [-sp_off].type == STACK_TYPE_I8) \
150 ADD_CODE(td, sp_off == 1 ? MINT_CONV_I4_I8 : MINT_CONV_I4_I8_SP); \
151 } while (0)
152
153 static void
154 handle_branch(TransformData *td, int short_op, int long_op, int offset)
155 {
156 int shorten_branch = 0;
157 int target = td->ip + offset - td->il_code;
158 if (target < 0 || target >= td->code_size)
159 g_assert_not_reached ();
160 if (offset > 0 && td->stack_height [target] < 0) {
161 td->stack_height [target] = td->sp - td->stack;
162 if (td->stack_height [target] > 0)
163 td->stack_state [target] = g_memdup (td->stack, td->stack_height [target] * sizeof (td->stack [0]));
164 td->vt_stack_size [target] = td->vt_sp;
165 }
166 if (offset < 0) {
167 offset = td->in_offsets [target] - (td->new_ip - td->new_code);
168 if (offset >= -32768) {
169 shorten_branch = 1;
170 }
171 } else {
172 int prev = td->forward_refs [target];
173 td->forward_refs [td->ip - td->il_code] = prev;
174 td->forward_refs [target] = td->ip - td->il_code;
175 offset = 0;
176 if (td->header->code_size <= 25000) /* FIX to be precise somehow? */
177 shorten_branch = 1;
178 }
179 if (shorten_branch) {
180 ADD_CODE(td, short_op);
181 ADD_CODE(td, offset);
182 } else {
183 ADD_CODE(td, long_op);
184 ADD_CODE(td, * (unsigned short *)(&offset));
185 ADD_CODE(td, * ((unsigned short *)&offset + 1));
186 }
187 }
188
189 static void
190 one_arg_branch(TransformData *td, int mint_op, int offset)
191 {
192 int type = td->sp [-1].type == STACK_TYPE_O || td->sp [-1].type == STACK_TYPE_MP ? STACK_TYPE_I : td->sp [-1].type;
193 int long_op = mint_op + type - STACK_TYPE_I4;
194 int short_op = long_op + MINT_BRFALSE_I4_S - MINT_BRFALSE_I4;
195 CHECK_STACK(td, 1);
196 --td->sp;
197 handle_branch (td, short_op, long_op, offset);
198 }
199
200 static void
201 two_arg_branch(TransformData *td, int mint_op, int offset)
202 {
203 int type1 = td->sp [-1].type == STACK_TYPE_O || td->sp [-1].type == STACK_TYPE_MP ? STACK_TYPE_I : td->sp [-1].type;
204 int type2 = td->sp [-2].type == STACK_TYPE_O || td->sp [-2].type == STACK_TYPE_MP ? STACK_TYPE_I : td->sp [-2].type;
205 int long_op = mint_op + type1 - STACK_TYPE_I4;
206 int short_op = long_op + MINT_BEQ_I4_S - MINT_BEQ_I4;
207 CHECK_STACK(td, 2);
208 if (type1 == STACK_TYPE_I4 && type2 == STACK_TYPE_I8) {
209 ADD_CODE(td, MINT_CONV_I8_I4);
210 td->in_offsets [td->ip - td->il_code]++;
211 } else if (type1 == STACK_TYPE_I8 && type2 == STACK_TYPE_I4) {
212 ADD_CODE(td, MINT_CONV_I8_I4_SP);
213 td->in_offsets [td->ip - td->il_code]++;
214 } else if (type1 != type2) {
215 g_warning("%s.%s: branch type mismatch %d %d",
216 td->method->klass->name, td->method->name,
217 td->sp [-1].type, td->sp [-2].type);
218 }
219 td->sp -= 2;
220 handle_branch (td, short_op, long_op, offset);
221 }
222
223 static void
224 unary_arith_op(TransformData *td, int mint_op)
225 {
226 int op = mint_op + td->sp [-1].type - STACK_TYPE_I4;
227 CHECK_STACK(td, 1);
228 ADD_CODE(td, op);
229 }
230
231 static void
232 binary_arith_op(TransformData *td, int mint_op)
233 {
234 int type1 = td->sp [-2].type;
235 int type2 = td->sp [-1].type;
236 int op;
237 #if SIZEOF_VOID_P == 8
238 if ((type1 == STACK_TYPE_MP || type1 == STACK_TYPE_I8) && type2 == STACK_TYPE_I4) {
239 ADD_CODE(td, MINT_CONV_I8_I4);
240 type2 = STACK_TYPE_I8;
241 }
242 if (type1 == STACK_TYPE_I4 && (type2 == STACK_TYPE_MP || type2 == STACK_TYPE_I8)) {
243 ADD_CODE(td, MINT_CONV_I8_I4_SP);
244 type1 = STACK_TYPE_I8;
245 td->sp [-2].type = STACK_TYPE_I8;
246 }
247 #endif
248 if (type1 == STACK_TYPE_MP)
249 type1 = STACK_TYPE_I;
250 if (type2 == STACK_TYPE_MP)
251 type2 = STACK_TYPE_I;
252 if (type1 != type2) {
253 g_warning("%s.%s: %04x arith type mismatch %s %d %d",
254 td->method->klass->name, td->method->name,
255 td->ip - td->il_code, mono_interp_opname[mint_op], type1, type2);
256 }
257 op = mint_op + type1 - STACK_TYPE_I4;
258 CHECK_STACK(td, 2);
259 ADD_CODE(td, op);
260 --td->sp;
261 }
262
263 static void
264 binary_int_op(TransformData *td, int mint_op)
265 {
266 int op = mint_op + td->sp [-1].type - STACK_TYPE_I4;
267 CHECK_STACK(td, 2);
268 if (td->sp [-1].type != td->sp [-2].type)
269 g_warning("%s.%s: int type mismatch", td->method->klass->name, td->method->name);
270 ADD_CODE(td, op);
271 --td->sp;
272 }
273
274 static void
275 shift_op(TransformData *td, int mint_op)
276 {
277 int op = mint_op + td->sp [-2].type - STACK_TYPE_I4;
278 CHECK_STACK(td, 2);
279 if (td->sp [-1].type != STACK_TYPE_I4) {
280 g_warning("%s.%s: shift type mismatch %d",
281 td->method->klass->name, td->method->name,
282 td->sp [-2].type);
283 }
284 ADD_CODE(td, op);
285 --td->sp;
286 }
287
288 static int
289 mint_type(MonoType *type)
290 {
291 if (type->byref)
292 return MINT_TYPE_P;
293 enum_type:
294 switch (type->type) {
295 case MONO_TYPE_I1:
296 return MINT_TYPE_I1;
297 case MONO_TYPE_U1:
298 case MONO_TYPE_BOOLEAN:
299 return MINT_TYPE_U1;
300 case MONO_TYPE_I2:
301 return MINT_TYPE_I2;
302 case MONO_TYPE_U2:
303 case MONO_TYPE_CHAR:
304 return MINT_TYPE_U2;
305 case MONO_TYPE_I4:
306 case MONO_TYPE_U4:
307 return MINT_TYPE_I4;
308 case MONO_TYPE_I:
309 case MONO_TYPE_U:
310 #if SIZEOF_VOID_P == 4
311 return MINT_TYPE_I4;
312 #else
313 return MINT_TYPE_I8;
314 #endif
315 case MONO_TYPE_PTR:
316 return MINT_TYPE_P;
317 case MONO_TYPE_R4:
318 return MINT_TYPE_R4;
319 case MONO_TYPE_I8:
320 case MONO_TYPE_U8:
321 return MINT_TYPE_I8;
322 case MONO_TYPE_R8:
323 return MINT_TYPE_R8;
324 case MONO_TYPE_STRING:
325 case MONO_TYPE_SZARRAY:
326 case MONO_TYPE_CLASS:
327 case MONO_TYPE_OBJECT:
328 case MONO_TYPE_ARRAY:
329 return MINT_TYPE_O;
330 case MONO_TYPE_VALUETYPE:
331 if (type->data.klass->enumtype) {
332 type = mono_class_enum_basetype (type->data.klass);
333 goto enum_type;
334 } else
335 return MINT_TYPE_VT;
336 default:
337 g_warning ("got type 0x%02x", type->type);
338 g_assert_not_reached ();
339 }
340 return -1;
341 }
342
343 static int
344 can_store (int stack_type, int var_type)
345 {
346 if (stack_type == STACK_TYPE_O || stack_type == STACK_TYPE_MP)
347 stack_type = STACK_TYPE_I;
348 if (var_type == STACK_TYPE_O || var_type == STACK_TYPE_MP)
349 var_type = STACK_TYPE_I;
350 return stack_type == var_type;
351 }
352
353 #define SET_SIMPLE_TYPE(s, ty) \
354 do { \
355 (s)->type = (ty); \
356 (s)->flags = 0; \
357 (s)->klass = NULL; \
358 } while (0)
359
360 #define SET_TYPE(s, ty, k) \
361 do { \
362 (s)->type = (ty); \
363 (s)->flags = 0; \
364 (s)->klass = k; \
365 } while (0)
366
367 #define PUSH_SIMPLE_TYPE(td, ty) \
368 do { \
369 int sp_height; \
370 (td)->sp++; \
371 sp_height = (td)->sp - (td)->stack; \
372 if (sp_height > (td)->max_stack_height) \
373 (td)->max_stack_height = sp_height; \
374 SET_SIMPLE_TYPE((td)->sp - 1, ty); \
375 } while (0)
376
377 #define PUSH_TYPE(td, ty, k) \
378 do { \
379 int sp_height; \
380 (td)->sp++; \
381 sp_height = (td)->sp - (td)->stack; \
382 if (sp_height > (td)->max_stack_height) \
383 (td)->max_stack_height = sp_height; \
384 SET_TYPE((td)->sp - 1, ty, k); \
385 } while (0)
386
387 #define PUSH_VT(td, size) \
388 do { \
389 (td)->vt_sp += ((size) + 7) & ~7; \
390 if ((td)->vt_sp > (td)->max_vt_sp) \
391 (td)->max_vt_sp = (td)->vt_sp; \
392 } while (0)
393
394 #define POP_VT(td, size) \
395 do { \
396 (td)->vt_sp -= ((size) + 7) & ~7; \
397 } while (0)
398
399 #if NO_UNALIGNED_ACCESS
400 #define WRITE32(td, v) \
401 do { \
402 ENSURE_CODE(td, 2); \
403 * (guint16 *)((td)->new_ip) = * (guint16 *)(v); \
404 * ((guint16 *)((td)->new_ip) + 1) = * ((guint16 *)(v) + 1); \
405 (td)->new_ip += 2; \
406 } while (0)
407
408 #define WRITE64(td, v) \
409 do { \
410 ENSURE_CODE(td, 4); \
411 * (guint16 *)((td)->new_ip) = * (guint16 *)(v); \
412 * ((guint16 *)((td)->new_ip) + 1) = * ((guint16 *)(v) + 1); \
413 * ((guint16 *)((td)->new_ip) + 2) = * ((guint16 *)(v) + 2); \
414 * ((guint16 *)((td)->new_ip) + 3) = * ((guint16 *)(v) + 3); \
415 (td)->new_ip += 4; \
416 } while (0)
417 #else
418 #define WRITE32(td, v) \
419 do { \
420 ENSURE_CODE(td, 2); \
421 * (guint32 *)((td)->new_ip) = * (guint32 *)(v); \
422 (td)->new_ip += 2; \
423 } while (0)
424
425 #define WRITE64(td, v) \
426 do { \
427 ENSURE_CODE(td, 4); \
428 * (guint64 *)((td)->new_ip) = * (guint64 *)(v); \
429 (td)->new_ip += 4; \
430 } while (0)
431
432 #endif
433
434 static void
435 load_arg(TransformData *td, int n)
436 {
437 int mt;
438 MonoClass *klass = NULL;
439 if (n == 0 && mono_method_signature (td->method)->hasthis) {
440 if (td->method->klass->valuetype)
441 mt = MINT_TYPE_P;
442 else {
443 mt = MINT_TYPE_O;
444 klass = td->method->klass;
445 }
446 ADD_CODE(td, MINT_LDTHIS);
447 } else {
448 MonoType *type;
449 n -= mono_method_signature (td->method)->hasthis;
450 type = mono_method_signature (td->method)->params [n];
451 mt = mint_type (type);
452 if (mt == MINT_TYPE_VT) {
453 gint32 size;
454 if (mono_method_signature (td->method)->pinvoke)
455 size = mono_class_native_size (type->data.klass, NULL);
456 else
457 size = mono_class_value_size (type->data.klass, NULL);
458 PUSH_VT(td, size);
459 ADD_CODE(td, MINT_LDARG_VT);
460 ADD_CODE(td, td->rtm->arg_offsets [n]); /* FIX for large offset */
461 WRITE32(td, &size);
462 klass = type->data.klass;
463 } else {
464 ADD_CODE(td, MINT_LDARG_I1 + (mt - MINT_TYPE_I1));
465 ADD_CODE(td, td->rtm->arg_offsets [n]); /* FIX for large offset */
466 if (mt == MINT_TYPE_O)
467 klass = mono_class_from_mono_type (type);
468 }
469 }
470 PUSH_TYPE(td, stack_type[mt], klass);
471 }
472
473 static void
474 store_arg(TransformData *td, int n)
475 {
476 int mt;
477 CHECK_STACK (td, 1);
478 if (n == 0 && mono_method_signature (td->method)->hasthis)
479 ADD_CODE(td, MINT_STTHIS);
480 else {
481 MonoType *type;
482 n -= mono_method_signature (td->method)->hasthis;
483 type = mono_method_signature (td->method)->params [n];
484 mt = mint_type (type);
485 if (mt == MINT_TYPE_VT) {
486 gint32 size;
487 if (mono_method_signature (td->method)->pinvoke)
488 size = mono_class_native_size (type->data.klass, NULL);
489 else
490 size = mono_class_value_size (type->data.klass, NULL);
491 ADD_CODE(td, MINT_STARG_VT);
492 ADD_CODE(td, n);
493 WRITE32(td, &size);
494 if (td->sp [-1].type == STACK_TYPE_VT)
495 POP_VT(td, size);
496 } else {
497 ADD_CODE(td, MINT_STARG_I1 + (mt - MINT_TYPE_I1));
498 ADD_CODE(td, td->rtm->arg_offsets [n]);
499 }
500 }
501 --td->sp;
502 }
503
504 static void
505 store_inarg(TransformData *td, int n)
506 {
507 MonoType *type = mono_method_signature (td->method)->params [n];
508 int mt = mint_type (type);
509 if (mt == MINT_TYPE_VT) {
510 gint32 size;
511 if (mono_method_signature (td->method)->pinvoke)
512 size = mono_class_native_size (type->data.klass, NULL);
513 else
514 size = mono_class_value_size (type->data.klass, NULL);
515 ADD_CODE(td, MINT_STINARG_VT);
516 ADD_CODE(td, n);
517 WRITE32(td, &size);
518 } else {
519 ADD_CODE(td, MINT_STINARG_I1 + (mt - MINT_TYPE_I1));
520 ADD_CODE(td, n);
521 }
522 }
523
524 static void
525 load_local(TransformData *td, int n)
526 {
527 MonoType *type = td->header->locals [n];
528 int mt = mint_type (type);
529 int offset = td->rtm->local_offsets [n];
530 MonoClass *klass = NULL;
531 if (mt == MINT_TYPE_VT) {
532 gint32 size = mono_class_value_size (type->data.klass, NULL);
533 PUSH_VT(td, size);
534 ADD_CODE(td, MINT_LDLOC_VT);
535 ADD_CODE(td, offset); /*FIX for large offset */
536 WRITE32(td, &size);
537 klass = type->data.klass;
538 } else {
539 if (mt == MINT_TYPE_I4 && !td->is_bb_start [td->in_start - td->il_code] && td->last_new_ip != NULL &&
540 td->last_new_ip [0] == MINT_STLOC_I4 && td->last_new_ip [1] == offset) {
541 td->last_new_ip [0] = MINT_STLOC_NP_I4;
542 } else if (mt == MINT_TYPE_O && !td->is_bb_start [td->in_start - td->il_code] && td->last_new_ip != NULL &&
543 td->last_new_ip [0] == MINT_STLOC_O && td->last_new_ip [1] == offset) {
544 td->last_new_ip [0] = MINT_STLOC_NP_O;
545 } else {
546 ADD_CODE(td, MINT_LDLOC_I1 + (mt - MINT_TYPE_I1));
547 ADD_CODE(td, offset); /*FIX for large offset */
548 }
549 if (mt == MINT_TYPE_O)
550 klass = mono_class_from_mono_type (type);
551 }
552 PUSH_TYPE(td, stack_type[mt], klass);
553 }
554
555 static void
556 store_local(TransformData *td, int n)
557 {
558 MonoType *type = td->header->locals [n];
559 int mt = mint_type (type);
560 int offset = td->rtm->local_offsets [n];
561 CHECK_STACK (td, 1);
562 #if SIZEOF_VOID_P == 8
563 if (td->sp [-1].type == STACK_TYPE_I4 && stack_type [mt] == STACK_TYPE_I8) {
564 ADD_CODE(td, MINT_CONV_I8_I4);
565 td->sp [-1].type = STACK_TYPE_I8;
566 }
567 #endif
568 if (!can_store(td->sp [-1].type, stack_type [mt])) {
569 g_warning("%s.%s: Store local stack type mismatch %d %d",
570 td->method->klass->name, td->method->name,
571 stack_type [mt], td->sp [-1].type);
572 }
573 if (mt == MINT_TYPE_VT) {
574 gint32 size = mono_class_value_size (type->data.klass, NULL);
575 ADD_CODE(td, MINT_STLOC_VT);
576 ADD_CODE(td, offset); /*FIX for large offset */
577 WRITE32(td, &size);
578 if (td->sp [-1].type == STACK_TYPE_VT)
579 POP_VT(td, size);
580 } else {
581 ADD_CODE(td, MINT_STLOC_I1 + (mt - MINT_TYPE_I1));
582 ADD_CODE(td, offset); /*FIX for large offset */
583 }
584 --td->sp;
585 }
586
587 #define SIMPLE_OP(td, op) \
588 do { \
589 ADD_CODE(&td, op); \
590 ++td.ip; \
591 } while (0)
592
593 static guint16
594 get_data_item_index (TransformData *td, void *ptr)
595 {
596 gpointer p = g_hash_table_lookup (td->data_hash, ptr);
597 guint index;
598 if (p != NULL)
599 return GPOINTER_TO_UINT (p) - 1;
600 if (td->max_data_items == td->n_data_items) {
601 td->max_data_items = td->n_data_items == 0 ? 16 : 2 * td->max_data_items;
602 td->data_items = g_realloc (td->data_items, td->max_data_items * sizeof(td->data_items [0]));
603 }
604 index = td->n_data_items;
605 td->data_items [index] = ptr;
606 ++td->n_data_items;
607 g_hash_table_insert (td->data_hash, ptr, GUINT_TO_POINTER (index + 1));
608 return index;
609 }
610
611 static void
612 generate (MonoMethod *method, RuntimeMethod *rtm, unsigned char *is_bb_start)
613 {
614 MonoMethodHeader *header = mono_method_get_header (method);
615 MonoMethodSignature *signature = mono_method_signature (method);
616 MonoImage *image = method->klass->image;
617 MonoDomain *domain = mono_domain_get ();
618 MonoGenericContext *generic_context = NULL;
619 MonoError error;
620 int offset, mt;
621 int i;
622 int i32;
623 MonoClass *klass;
624 MonoClassField *field;
625 const unsigned char *end;
626 int new_in_start_offset;
627 int body_start_offset;
628 int target;
629 guint32 token;
630 TransformData td;
631 int generating_code = 1;
632
633 if (mono_method_signature (method)->is_inflated)
634 generic_context = &((MonoMethodInflated *) method)->context;
635
636 memset(&td, 0, sizeof(td));
637 td.method = method;
638 td.rtm = rtm;
639 td.is_bb_start = is_bb_start;
640 td.il_code = header->code;
641 td.code_size = header->code_size;
642 td.header = header;
643 td.max_code_size = td.code_size;
644 td.new_code = (unsigned short *)g_malloc(td.max_code_size * sizeof(gushort));
645 td.new_code_end = td.new_code + td.max_code_size;
646 td.in_offsets = g_malloc0(header->code_size * sizeof(int));
647 td.forward_refs = g_malloc(header->code_size * sizeof(int));
648 td.stack_state = g_malloc0(header->code_size * sizeof(StackInfo *));
649 td.stack_height = g_malloc(header->code_size * sizeof(int));
650 td.vt_stack_size = g_malloc(header->code_size * sizeof(int));
651 td.n_data_items = 0;
652 td.max_data_items = 0;
653 td.data_items = NULL;
654 td.data_hash = g_hash_table_new (NULL, NULL);
655 rtm->data_items = td.data_items;
656 for (i = 0; i < header->code_size; i++) {
657 td.forward_refs [i] = -1;
658 td.stack_height [i] = -1;
659 }
660 td.new_ip = td.new_code;
661 td.last_new_ip = NULL;
662
663 td.stack = g_malloc0(header->max_stack * sizeof(td.stack[0]));
664 td.sp = td.stack;
665 td.max_stack_height = 0;
666
667 for (i = 0; i < header->num_clauses; i++) {
668 MonoExceptionClause *c = header->clauses + i;
669 td.stack_height [c->handler_offset] = 0;
670 td.vt_stack_size [c->handler_offset] = 0;
671 td.is_bb_start [c->handler_offset] = 1;
672 if (c->flags == MONO_EXCEPTION_CLAUSE_NONE) {
673 td.stack_height [c->handler_offset] = 1;
674 td.stack_state [c->handler_offset] = g_malloc0(sizeof(StackInfo));
675 td.stack_state [c->handler_offset][0].type = STACK_TYPE_O;
676 td.stack_state [c->handler_offset][0].klass = NULL; /*FIX*/
677 }
678 }
679
680 td.ip = header->code;
681 end = td.ip + header->code_size;
682
683 if (mono_interp_traceopt) {
684 char *tmp = mono_disasm_code (NULL, method, td.ip, end);
685 char *name = mono_method_full_name (method, TRUE);
686 g_print ("Method %s, original code:\n", name);
687 g_print ("%s\n", tmp);
688 g_free (tmp);
689 g_free (name);
690 }
691
692 for (i = 0; i < signature->param_count; i++)
693 store_inarg(&td, i);
694
695 body_start_offset = td.new_ip - td.new_code;
696
697 for (i = 0; i < header->num_locals; i++) {
698 int mt = mint_type(header->locals [i]);
699 if (mt == MINT_TYPE_VT || mt == MINT_TYPE_O) {
700 ADD_CODE(&td, MINT_INITLOCALS);
701 break;
702 }
703 }
704
705 while (td.ip < end) {
706 int in_offset;
707
708 g_assert (td.sp >= td.stack);
709 g_assert (td.vt_sp < 0x10000000);
710 in_offset = td.ip - header->code;
711 td.in_offsets [in_offset] = td.new_ip - td.new_code;
712 new_in_start_offset = td.new_ip - td.new_code;
713 td.in_start = td.ip;
714 while (td.forward_refs [in_offset] >= 0) {
715 int j = td.forward_refs [in_offset];
716 int slot;
717 td.forward_refs [in_offset] = td.forward_refs [j];
718 if (td.in_offsets [j] < 0) {
719 int old_switch_offset = -td.in_offsets [j];
720 int new_switch_offset = td.in_offsets [old_switch_offset];
721 int switch_case = (j - old_switch_offset - 5) / 4;
722 int n_cases = read32 (header->code + old_switch_offset + 1);
723 offset = (td.new_ip - td.new_code) - (new_switch_offset + 2 * n_cases + 3);
724 slot = new_switch_offset + 3 + 2 * switch_case;
725 td.new_code [slot] = * (unsigned short *)(&offset);
726 td.new_code [slot + 1] = * ((unsigned short *)&offset + 1);
727 } else {
728 int op = td.new_code [td.in_offsets [j]];
729 if (mono_interp_opargtype [op] == MintOpShortBranch) {
730 offset = (td.new_ip - td.new_code) - td.in_offsets [j];
731 g_assert (offset <= 32767);
732 slot = td.in_offsets [j] + 1;
733 td.new_code [slot] = offset;
734 } else {
735 offset = (td.new_ip - td.new_code) - td.in_offsets [j];
736 slot = td.in_offsets [j] + 1;
737 td.new_code [slot] = * (unsigned short *)(&offset);
738 td.new_code [slot + 1] = * ((unsigned short *)&offset + 1);
739 }
740 }
741 }
742 if (td.stack_height [in_offset] >= 0) {
743 g_assert (is_bb_start [in_offset]);
744 if (td.stack_height [in_offset] > 0)
745 memcpy (td.stack, td.stack_state [in_offset], td.stack_height [in_offset] * sizeof(td.stack [0]));
746 td.sp = td.stack + td.stack_height [in_offset];
747 td.vt_sp = td.vt_stack_size [in_offset];
748 }
749 if (is_bb_start [in_offset]) {
750 generating_code = 1;
751 }
752 if (!generating_code) {
753 while (td.ip < end && !is_bb_start [td.ip - td.il_code])
754 ++td.ip;
755 continue;
756 }
757 if (mono_interp_traceopt > 1) {
758 printf("IL_%04lx %s %-10s -> IL_%04lx, sp %ld, %s %-12s vt_sp %u (max %u)\n",
759 td.ip - td.il_code,
760 td.is_bb_start [td.ip - td.il_code] == 3 ? "<>" :
761 td.is_bb_start [td.ip - td.il_code] == 2 ? "< " :
762 td.is_bb_start [td.ip - td.il_code] == 1 ? " >" : " ",
763 mono_opcode_name (*td.ip), td.new_ip - td.new_code, td.sp - td.stack,
764 td.sp > td.stack ? stack_type_string [td.sp [-1].type] : " ",
765 (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) : "",
766 td.vt_sp, td.max_vt_sp);
767 }
768 switch (*td.ip) {
769 case CEE_NOP:
770 /* lose it */
771 ++td.ip;
772 break;
773 case CEE_BREAK:
774 SIMPLE_OP(td, MINT_BREAK);
775 break;
776 case CEE_LDARG_0:
777 case CEE_LDARG_1:
778 case CEE_LDARG_2:
779 case CEE_LDARG_3:
780 load_arg (&td, *td.ip - CEE_LDARG_0);
781 ++td.ip;
782 break;
783 case CEE_LDLOC_0:
784 case CEE_LDLOC_1:
785 case CEE_LDLOC_2:
786 case CEE_LDLOC_3:
787 load_local (&td, *td.ip - CEE_LDLOC_0);
788 ++td.ip;
789 break;
790 case CEE_STLOC_0:
791 case CEE_STLOC_1:
792 case CEE_STLOC_2:
793 case CEE_STLOC_3:
794 store_local (&td, *td.ip - CEE_STLOC_0);
795 ++td.ip;
796 break;
797 case CEE_LDARG_S:
798 load_arg (&td, ((guint8 *)td.ip)[1]);
799 td.ip += 2;
800 break;
801 case CEE_LDARGA_S: {
802 int n = ((guint8 *)td.ip)[1];
803 if (n == 0 && signature->hasthis)
804 ADD_CODE(&td, MINT_LDTHISA);
805 else {
806 ADD_CODE(&td, MINT_LDARGA);
807 ADD_CODE(&td, td.rtm->arg_offsets [n - signature->hasthis]);
808 }
809 PUSH_SIMPLE_TYPE(&td, STACK_TYPE_MP);
810 td.ip += 2;
811 break;
812 }
813 case CEE_STARG_S:
814 store_arg (&td, ((guint8 *)td.ip)[1]);
815 td.ip += 2;
816 break;
817 case CEE_LDLOC_S:
818 load_local (&td, ((guint8 *)td.ip)[1]);
819 td.ip += 2;
820 break;
821 case CEE_LDLOCA_S:
822 ADD_CODE(&td, MINT_LDLOCA_S);
823 ADD_CODE(&td, td.rtm->local_offsets [((guint8 *)td.ip)[1]]);
824 PUSH_SIMPLE_TYPE(&td, STACK_TYPE_MP);
825 td.ip += 2;
826 break;
827 case CEE_STLOC_S:
828 store_local (&td, ((guint8 *)td.ip)[1]);
829 td.ip += 2;
830 break;
831 case CEE_LDNULL:
832 SIMPLE_OP(td, MINT_LDNULL);
833 PUSH_TYPE(&td, STACK_TYPE_O, NULL);
834 break;
835 case CEE_LDC_I4_M1:
836 SIMPLE_OP(td, MINT_LDC_I4_M1);
837 PUSH_SIMPLE_TYPE(&td, STACK_TYPE_I4);
838 break;
839 case CEE_LDC_I4_0:
840 if (!td.is_bb_start[td.ip + 1 - td.il_code] && td.ip [1] == 0xfe && td.ip [2] == CEE_CEQ &&
841 td.sp > td.stack && td.sp [-1].type == STACK_TYPE_I4) {
842 SIMPLE_OP(td, MINT_CEQ0_I4);
843 td.ip += 2;
844 } else {
845 SIMPLE_OP(td, MINT_LDC_I4_0);
846 PUSH_SIMPLE_TYPE(&td, STACK_TYPE_I4);
847 }
848 break;
849 case CEE_LDC_I4_1:
850 if (!td.is_bb_start[td.ip + 1 - td.il_code] &&
851 (td.ip [1] == CEE_ADD || td.ip [1] == CEE_SUB) && td.sp [-1].type == STACK_TYPE_I4) {
852 ADD_CODE(&td, td.ip [1] == CEE_ADD ? MINT_ADD1_I4 : MINT_SUB1_I4);
853 td.ip += 2;
854 } else {
855 SIMPLE_OP(td, MINT_LDC_I4_1);
856 PUSH_SIMPLE_TYPE(&td, STACK_TYPE_I4);
857 }
858 break;
859 case CEE_LDC_I4_2:
860 case CEE_LDC_I4_3:
861 case CEE_LDC_I4_4:
862 case CEE_LDC_I4_5:
863 case CEE_LDC_I4_6:
864 case CEE_LDC_I4_7:
865 case CEE_LDC_I4_8:
866 SIMPLE_OP(td, (*td.ip - CEE_LDC_I4_0) + MINT_LDC_I4_0);
867 PUSH_SIMPLE_TYPE(&td, STACK_TYPE_I4);
868 break;
869 case CEE_LDC_I4_S:
870 ADD_CODE(&td, MINT_LDC_I4_S);
871 ADD_CODE(&td, ((gint8 *) td.ip) [1]);
872 td.ip += 2;
873 PUSH_SIMPLE_TYPE(&td, STACK_TYPE_I4);
874 break;
875 case CEE_LDC_I4:
876 i32 = read32 (td.ip + 1);
877 ADD_CODE(&td, MINT_LDC_I4);
878 WRITE32(&td, &i32);
879 td.ip += 5;
880 PUSH_SIMPLE_TYPE(&td, STACK_TYPE_I4);
881 break;
882 case CEE_LDC_I8: {
883 gint64 val = read64 (td.ip + 1);
884 ADD_CODE(&td, MINT_LDC_I8);
885 WRITE64(&td, &val);
886 td.ip += 9;
887 PUSH_SIMPLE_TYPE(&td, STACK_TYPE_I8);
888 break;
889 }
890 case CEE_LDC_R4: {
891 float val;
892 readr4 (td.ip + 1, &val);
893 ADD_CODE(&td, MINT_LDC_R4);
894 WRITE32(&td, &val);
895 td.ip += 5;
896 PUSH_SIMPLE_TYPE(&td, STACK_TYPE_R8);
897 break;
898 }
899 case CEE_LDC_R8: {
900 double val;
901 readr8 (td.ip + 1, &val);
902 ADD_CODE(&td, MINT_LDC_R8);
903 WRITE64(&td, &val);
904 td.ip += 9;
905 PUSH_SIMPLE_TYPE(&td, STACK_TYPE_R8);
906 break;
907 }
908 case CEE_DUP: {
909 int type = td.sp [-1].type;
910 MonoClass *klass = td.sp [-1].klass;
911 if (td.sp [-1].type == STACK_TYPE_VT) {
912 gint32 size = mono_class_value_size (klass, NULL);
913 PUSH_VT(&td, size);
914 ADD_CODE(&td, MINT_DUP_VT);
915 WRITE32(&td, &size);
916 td.ip ++;
917 } else
918 SIMPLE_OP(td, MINT_DUP);
919 PUSH_TYPE(&td, type, klass);
920 break;
921 }
922 case CEE_POP:
923 CHECK_STACK(&td, 1);
924 SIMPLE_OP(td, MINT_POP);
925 if (td.sp [-1].type == STACK_TYPE_VT) {
926 int size = mono_class_value_size (td.sp [-1].klass, NULL);
927 size = (size + 7) & ~7;
928 ADD_CODE(&td, MINT_VTRESULT);
929 ADD_CODE(&td, 0);
930 WRITE32(&td, &size);
931 td.vt_sp -= size;
932 }
933 --td.sp;
934 break;
935 case CEE_JMP: {
936 MonoMethod *m;
937 if (td.sp > td.stack)
938 g_warning ("CEE_JMP: stack must be empty");
939 token = read32 (td.ip + 1);
940 m = mono_get_method_full (image, token, NULL, generic_context);
941 ADD_CODE (&td, MINT_JMP);
942 ADD_CODE (&td, get_data_item_index (&td, mono_interp_get_runtime_method (domain, m, &error)));
943 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
944 td.ip += 5;
945 break;
946 }
947 case CEE_CALLVIRT: /* Fall through */
948 case CEE_CALLI: /* Fall through */
949 case CEE_CALL: {
950 MonoMethod *m;
951 MonoMethodSignature *csignature;
952 int virtual = *td.ip == CEE_CALLVIRT;
953 int calli = *td.ip == CEE_CALLI;
954 int i;
955 guint32 vt_stack_used = 0;
956 guint32 vt_res_size = 0;
957 int op = -1;
958 int native = 0;
959 int is_void = 0;
960
961 token = read32 (td.ip + 1);
962 if (calli) {
963 CHECK_STACK(&td, 1);
964 native = (method->wrapper_type != MONO_WRAPPER_DELEGATE_INVOKE && td.sp [-1].type == STACK_TYPE_I);
965 --td.sp;
966 if (method->wrapper_type != MONO_WRAPPER_NONE)
967 csignature = (MonoMethodSignature *)mono_method_get_wrapper_data (method, token);
968 else
969 csignature = mono_metadata_parse_signature (image, token);
970 m = NULL;
971 } else {
972 if (method->wrapper_type == MONO_WRAPPER_NONE)
973 m = mono_get_method_full (image, token, NULL, generic_context);
974 else
975 m = (MonoMethod *)mono_method_get_wrapper_data (method, token);
976 csignature = mono_method_signature (m);
977 if (m->klass == mono_defaults.string_class) {
978 if (m->name [0] == 'g') {
979 if (strcmp (m->name, "get_Chars") == 0)
980 op = MINT_GETCHR;
981 else if (strcmp (m->name, "get_Length") == 0)
982 op = MINT_STRLEN;
983 }
984 } else if (m->klass == mono_defaults.array_class) {
985 if (strcmp (m->name, "get_Rank") == 0)
986 op = MINT_ARRAY_RANK;
987 else if (strcmp (m->name, "get_Length") == 0)
988 op = MINT_LDLEN;
989 }
990 }
991 CHECK_STACK(&td, csignature->param_count + csignature->hasthis);
992 if (!calli && (!virtual || (m->flags & METHOD_ATTRIBUTE_VIRTUAL) == 0) &&
993 (m->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) == 0 &&
994 (m->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) == 0) {
995 int called_inited = mono_class_vtable (domain, m->klass)->initialized;
996 MonoMethodHeader *mheader = mono_method_get_header (m);
997
998 if (/*mono_metadata_signature_equal (method->signature, m->signature) */ method == m && *(td.ip + 5) == CEE_RET) {
999 int offset;
1000 if (mono_interp_traceopt)
1001 g_print ("Optimize tail call of %s.%s\n", m->klass->name, m->name);
1002 for (i = csignature->param_count - 1; i >= 0; --i)
1003 store_arg (&td, i + csignature->hasthis);
1004
1005 if (csignature->hasthis) {
1006 ADD_CODE(&td, MINT_STTHIS);
1007 --td.sp;
1008 }
1009 ADD_CODE(&td, MINT_BR_S);
1010 offset = body_start_offset - ((td.new_ip - 1) - td.new_code);
1011 ADD_CODE(&td, offset);
1012 if (!is_bb_start [td.ip + 5 - td.il_code])
1013 ++td.ip; /* gobble the CEE_RET if it isn't branched to */
1014 td.ip += 5;
1015 break;
1016 } else {
1017 /* mheader might not exist if this is a delegate invoc, etc */
1018 if (mheader && *mheader->code == CEE_RET && called_inited) {
1019 if (mono_interp_traceopt)
1020 g_print ("Inline (empty) call of %s.%s\n", m->klass->name, m->name);
1021 for (i = 0; i < csignature->param_count; i++)
1022 ADD_CODE(&td, MINT_POP); /*FIX: vt */
1023 if (csignature->hasthis) {
1024 if (virtual)
1025 ADD_CODE(&td, MINT_CKNULL);
1026 ADD_CODE(&td, MINT_POP);
1027 }
1028 td.sp -= csignature->param_count + csignature->hasthis;
1029 td.ip += 5;
1030 break;
1031 }
1032 }
1033 }
1034 if (method->wrapper_type == MONO_WRAPPER_NONE && m != NULL) {
1035 if (m->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL)
1036 m = mono_marshal_get_native_wrapper (m, FALSE, FALSE);
1037 if (!virtual && m->iflags & METHOD_IMPL_ATTRIBUTE_SYNCHRONIZED)
1038 m = mono_marshal_get_synchronized_wrapper (m);
1039 }
1040 g_assert (csignature->call_convention == MONO_CALL_DEFAULT || csignature->call_convention == MONO_CALL_C);
1041 td.sp -= csignature->param_count + csignature->hasthis;
1042 for (i = 0; i < csignature->param_count; ++i) {
1043 if (td.sp [i + csignature->hasthis].type == STACK_TYPE_VT) {
1044 gint32 size;
1045 if (csignature->pinvoke && method->wrapper_type != MONO_WRAPPER_NONE)
1046 size = mono_class_native_size (csignature->params [i]->data.klass, NULL);
1047 else
1048 size = mono_class_value_size (csignature->params [i]->data.klass, NULL);
1049 size = (size + 7) & ~7;
1050 vt_stack_used += size;
1051 }
1052 }
1053
1054 /* need to handle typedbyref ... */
1055 if (csignature->ret->type != MONO_TYPE_VOID) {
1056 int mt = mint_type(csignature->ret);
1057 MonoClass *klass = NULL;
1058 if (mt == MINT_TYPE_VT) {
1059 if (csignature->pinvoke && method->wrapper_type != MONO_WRAPPER_NONE)
1060 vt_res_size = mono_class_native_size (csignature->ret->data.klass, NULL);
1061 else
1062 vt_res_size = mono_class_value_size (csignature->ret->data.klass, NULL);
1063 PUSH_VT(&td, vt_res_size);
1064 klass = csignature->ret->data.klass;
1065 } else if (mt == MINT_TYPE_O)
1066 klass = mono_class_from_mono_type (csignature->ret);
1067 PUSH_TYPE(&td, stack_type[mt], klass);
1068 } else
1069 is_void = TRUE;
1070
1071 if (op >= 0) {
1072 ADD_CODE(&td, op);
1073 #if SIZEOF_VOID_P == 8
1074 if (op == MINT_LDLEN)
1075 ADD_CODE(&td, MINT_CONV_I4_I8);
1076 #endif
1077 } else {
1078 if (calli)
1079 ADD_CODE(&td, native ? MINT_CALLI_NAT : MINT_CALLI);
1080 else if (virtual)
1081 ADD_CODE(&td, is_void ? MINT_VCALLVIRT : MINT_CALLVIRT);
1082 else
1083 ADD_CODE(&td, is_void ? MINT_VCALL : MINT_CALL);
1084 ADD_CODE(&td, get_data_item_index (&td, calli? (void *)csignature : (void *)mono_interp_get_runtime_method (domain, m, &error)));
1085 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
1086 }
1087 td.ip += 5;
1088 if (vt_stack_used != 0 || vt_res_size != 0) {
1089 ADD_CODE(&td, MINT_VTRESULT);
1090 ADD_CODE(&td, vt_res_size);
1091 WRITE32(&td, &vt_stack_used);
1092 td.vt_sp -= vt_stack_used;
1093 }
1094 break;
1095 }
1096 case CEE_RET: {
1097 int vt_size = 0;
1098 if (signature->ret->type != MONO_TYPE_VOID) {
1099 --td.sp;
1100 if (mint_type(signature->ret) == MINT_TYPE_VT) {
1101 vt_size = mono_class_value_size (signature->ret->data.klass, NULL);
1102 vt_size = (vt_size + 7) & ~7;
1103 }
1104 }
1105 if (td.sp > td.stack)
1106 g_warning ("%s.%s: CEE_RET: more values on stack: %d", td.method->klass->name, td.method->name, td.sp - td.stack);
1107 if (td.vt_sp != vt_size)
1108 g_warning ("%s.%s: CEE_RET: value type stack: %d", td.method->klass->name, td.method->name, td.vt_sp);
1109 if (vt_size == 0)
1110 SIMPLE_OP(td, signature->ret->type == MONO_TYPE_VOID ? MINT_RET_VOID : MINT_RET);
1111 else {
1112 ADD_CODE(&td, MINT_RET_VT);
1113 WRITE32(&td, &vt_size);
1114 ++td.ip;
1115 }
1116 generating_code = 0;
1117 break;
1118 }
1119 case CEE_BR:
1120 handle_branch (&td, MINT_BR_S, MINT_BR, 5 + read32 (td.ip + 1));
1121 td.ip += 5;
1122 generating_code = 0;
1123 break;
1124 case CEE_BR_S:
1125 handle_branch (&td, MINT_BR_S, MINT_BR, 2 + (gint8)td.ip [1]);
1126 td.ip += 2;
1127 generating_code = 0;
1128 break;
1129 case CEE_BRFALSE:
1130 one_arg_branch (&td, MINT_BRFALSE_I4, 5 + read32 (td.ip + 1));
1131 td.ip += 5;
1132 break;
1133 case CEE_BRFALSE_S:
1134 one_arg_branch (&td, MINT_BRFALSE_I4, 2 + (gint8)td.ip [1]);
1135 td.ip += 2;
1136 break;
1137 case CEE_BRTRUE:
1138 one_arg_branch (&td, MINT_BRTRUE_I4, 5 + read32 (td.ip + 1));
1139 td.ip += 5;
1140 break;
1141 case CEE_BRTRUE_S:
1142 one_arg_branch (&td, MINT_BRTRUE_I4, 2 + (gint8)td.ip [1]);
1143 td.ip += 2;
1144 break;
1145 case CEE_BEQ:
1146 two_arg_branch (&td, MINT_BEQ_I4, 5 + read32 (td.ip + 1));
1147 td.ip += 5;
1148 break;
1149 case CEE_BEQ_S:
1150 two_arg_branch (&td, MINT_BEQ_I4, 2 + (gint8) td.ip [1]);
1151 td.ip += 2;
1152 break;
1153 case CEE_BGE:
1154 two_arg_branch (&td, MINT_BGE_I4, 5 + read32 (td.ip + 1));
1155 td.ip += 5;
1156 break;
1157 case CEE_BGE_S:
1158 two_arg_branch (&td, MINT_BGE_I4, 2 + (gint8) td.ip [1]);
1159 td.ip += 2;
1160 break;
1161 case CEE_BGT:
1162 two_arg_branch (&td, MINT_BGT_I4, 5 + read32 (td.ip + 1));
1163 td.ip += 5;
1164 break;
1165 case CEE_BGT_S:
1166 two_arg_branch (&td, MINT_BGT_I4, 2 + (gint8) td.ip [1]);
1167 td.ip += 2;
1168 break;
1169 case CEE_BLT:
1170 two_arg_branch (&td, MINT_BLT_I4, 5 + read32 (td.ip + 1));
1171 td.ip += 5;
1172 break;
1173 case CEE_BLT_S:
1174 two_arg_branch (&td, MINT_BLT_I4, 2 + (gint8) td.ip [1]);
1175 td.ip += 2;
1176 break;
1177 case CEE_BLE:
1178 two_arg_branch (&td, MINT_BLE_I4, 5 + read32 (td.ip + 1));
1179 td.ip += 5;
1180 break;
1181 case CEE_BLE_S:
1182 two_arg_branch (&td, MINT_BLE_I4, 2 + (gint8) td.ip [1]);
1183 td.ip += 2;
1184 break;
1185 case CEE_BNE_UN:
1186 two_arg_branch (&td, MINT_BNE_UN_I4, 5 + read32 (td.ip + 1));
1187 td.ip += 5;
1188 break;
1189 case CEE_BNE_UN_S:
1190 two_arg_branch (&td, MINT_BNE_UN_I4, 2 + (gint8) td.ip [1]);
1191 td.ip += 2;
1192 break;
1193 case CEE_BGE_UN:
1194 two_arg_branch (&td, MINT_BGE_UN_I4, 5 + read32 (td.ip + 1));
1195 td.ip += 5;
1196 break;
1197 case CEE_BGE_UN_S:
1198 two_arg_branch (&td, MINT_BGE_UN_I4, 2 + (gint8) td.ip [1]);
1199 td.ip += 2;
1200 break;
1201 case CEE_BGT_UN:
1202 two_arg_branch (&td, MINT_BGT_UN_I4, 5 + read32 (td.ip + 1));
1203 td.ip += 5;
1204 break;
1205 case CEE_BGT_UN_S:
1206 two_arg_branch (&td, MINT_BGT_UN_I4, 2 + (gint8) td.ip [1]);
1207 td.ip += 2;
1208 break;
1209 case CEE_BLE_UN:
1210 two_arg_branch (&td, MINT_BLE_UN_I4, 5 + read32 (td.ip + 1));
1211 td.ip += 5;
1212 break;
1213 case CEE_BLE_UN_S:
1214 two_arg_branch (&td, MINT_BLE_UN_I4, 2 + (gint8) td.ip [1]);
1215 td.ip += 2;
1216 break;
1217 case CEE_BLT_UN:
1218 two_arg_branch (&td, MINT_BLT_UN_I4, 5 + read32 (td.ip + 1));
1219 td.ip += 5;
1220 break;
1221 case CEE_BLT_UN_S:
1222 two_arg_branch (&td, MINT_BLT_UN_I4, 2 + (gint8) td.ip [1]);
1223 td.ip += 2;
1224 break;
1225 case CEE_SWITCH: {
1226 guint32 n;
1227 const unsigned char *next_ip;
1228 const unsigned char *base_ip = td.ip;
1229 unsigned short *next_new_ip;
1230 ++td.ip;
1231 n = read32 (td.ip);
1232 ADD_CODE(&td, MINT_SWITCH);
1233 ADD_CODE(&td, * (unsigned short *)(&n));
1234 ADD_CODE(&td, * ((unsigned short *)&n + 1));
1235 td.ip += 4;
1236 next_ip = td.ip + n * 4;
1237 next_new_ip = td.new_ip + n * 2;
1238 for (i = 0; i < n; i++) {
1239 offset = read32 (td.ip);
1240 target = next_ip - td.il_code + offset;
1241 if (offset < 0)
1242 target = td.in_offsets [target] - (next_new_ip - td.new_code);
1243 else {
1244 int prev = td.forward_refs [target];
1245 td.forward_refs [td.ip - td.il_code] = prev;
1246 td.forward_refs [target] = td.ip - td.il_code;
1247 td.in_offsets [td.ip - td.il_code] = - (base_ip - td.il_code);
1248 }
1249 ADD_CODE(&td, * (unsigned short *)(&target));
1250 ADD_CODE(&td, * ((unsigned short *)&target + 1));
1251 td.ip += 4;
1252 }
1253 --td.sp;
1254 break;
1255 }
1256 case CEE_LDIND_I1:
1257 CHECK_STACK (&td, 1);
1258 SIMPLE_OP (td, MINT_LDIND_I1);
1259 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
1260 break;
1261 case CEE_LDIND_U1:
1262 CHECK_STACK (&td, 1);
1263 SIMPLE_OP (td, MINT_LDIND_U1);
1264 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
1265 break;
1266 case CEE_LDIND_I2:
1267 CHECK_STACK (&td, 1);
1268 SIMPLE_OP (td, MINT_LDIND_I2);
1269 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
1270 break;
1271 case CEE_LDIND_U2:
1272 CHECK_STACK (&td, 1);
1273 SIMPLE_OP (td, MINT_LDIND_U2);
1274 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
1275 break;
1276 case CEE_LDIND_I4:
1277 CHECK_STACK (&td, 1);
1278 SIMPLE_OP (td, MINT_LDIND_I4);
1279 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
1280 break;
1281 case CEE_LDIND_U4:
1282 CHECK_STACK (&td, 1);
1283 SIMPLE_OP (td, MINT_LDIND_U4);
1284 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
1285 break;
1286 case CEE_LDIND_I8:
1287 CHECK_STACK (&td, 1);
1288 SIMPLE_OP (td, MINT_LDIND_I8);
1289 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I8);
1290 break;
1291 case CEE_LDIND_I:
1292 CHECK_STACK (&td, 1);
1293 SIMPLE_OP (td, MINT_LDIND_I);
1294 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I);
1295 break;
1296 case CEE_LDIND_R4:
1297 CHECK_STACK (&td, 1);
1298 SIMPLE_OP (td, MINT_LDIND_R4);
1299 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_R8);
1300 break;
1301 case CEE_LDIND_R8:
1302 CHECK_STACK (&td, 1);
1303 SIMPLE_OP (td, MINT_LDIND_R8);
1304 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_R8);
1305 break;
1306 case CEE_LDIND_REF:
1307 CHECK_STACK (&td, 1);
1308 SIMPLE_OP (td, MINT_LDIND_REF);
1309 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_O);
1310 break;
1311 case CEE_STIND_REF:
1312 CHECK_STACK (&td, 2);
1313 SIMPLE_OP (td, MINT_STIND_REF);
1314 td.sp -= 2;
1315 break;
1316 case CEE_STIND_I1:
1317 CHECK_STACK (&td, 2);
1318 SIMPLE_OP (td, MINT_STIND_I1);
1319 td.sp -= 2;
1320 break;
1321 case CEE_STIND_I2:
1322 CHECK_STACK (&td, 2);
1323 SIMPLE_OP (td, MINT_STIND_I2);
1324 td.sp -= 2;
1325 break;
1326 case CEE_STIND_I4:
1327 CHECK_STACK (&td, 2);
1328 SIMPLE_OP (td, MINT_STIND_I4);
1329 td.sp -= 2;
1330 break;
1331 case CEE_STIND_I:
1332 CHECK_STACK (&td, 2);
1333 SIMPLE_OP (td, MINT_STIND_I);
1334 td.sp -= 2;
1335 break;
1336 case CEE_STIND_I8:
1337 CHECK_STACK (&td, 2);
1338 SIMPLE_OP (td, MINT_STIND_I8);
1339 td.sp -= 2;
1340 break;
1341 case CEE_STIND_R4:
1342 CHECK_STACK (&td, 2);
1343 SIMPLE_OP (td, MINT_STIND_R4);
1344 td.sp -= 2;
1345 break;
1346 case CEE_STIND_R8:
1347 CHECK_STACK (&td, 2);
1348 SIMPLE_OP (td, MINT_STIND_R8);
1349 td.sp -= 2;
1350 break;
1351 case CEE_ADD:
1352 binary_arith_op(&td, MINT_ADD_I4);
1353 ++td.ip;
1354 break;
1355 case CEE_SUB:
1356 binary_arith_op(&td, MINT_SUB_I4);
1357 ++td.ip;
1358 break;
1359 case CEE_MUL:
1360 binary_arith_op(&td, MINT_MUL_I4);
1361 ++td.ip;
1362 break;
1363 case CEE_DIV:
1364 binary_arith_op(&td, MINT_DIV_I4);
1365 ++td.ip;
1366 break;
1367 case CEE_DIV_UN:
1368 binary_arith_op(&td, MINT_DIV_UN_I4);
1369 ++td.ip;
1370 break;
1371 case CEE_REM:
1372 binary_int_op (&td, MINT_REM_I4);
1373 ++td.ip;
1374 break;
1375 case CEE_REM_UN:
1376 binary_int_op (&td, MINT_REM_UN_I4);
1377 ++td.ip;
1378 break;
1379 case CEE_AND:
1380 binary_int_op (&td, MINT_AND_I4);
1381 ++td.ip;
1382 break;
1383 case CEE_OR:
1384 binary_int_op (&td, MINT_OR_I4);
1385 ++td.ip;
1386 break;
1387 case CEE_XOR:
1388 binary_int_op (&td, MINT_XOR_I4);
1389 ++td.ip;
1390 break;
1391 case CEE_SHL:
1392 shift_op (&td, MINT_SHL_I4);
1393 ++td.ip;
1394 break;
1395 case CEE_SHR:
1396 shift_op (&td, MINT_SHR_I4);
1397 ++td.ip;
1398 break;
1399 case CEE_SHR_UN:
1400 shift_op (&td, MINT_SHR_UN_I4);
1401 ++td.ip;
1402 break;
1403 case CEE_NEG:
1404 unary_arith_op (&td, MINT_NEG_I4);
1405 ++td.ip;
1406 break;
1407 case CEE_NOT:
1408 unary_arith_op (&td, MINT_NOT_I4);
1409 ++td.ip;
1410 break;
1411 case CEE_CONV_U1:
1412 CHECK_STACK (&td, 1);
1413 switch (td.sp [-1].type) {
1414 case STACK_TYPE_R8:
1415 ADD_CODE(&td, MINT_CONV_U1_R8);
1416 break;
1417 case STACK_TYPE_I4:
1418 ADD_CODE(&td, MINT_CONV_U1_I4);
1419 break;
1420 case STACK_TYPE_I8:
1421 ADD_CODE(&td, MINT_CONV_U1_I8);
1422 break;
1423 default:
1424 g_assert_not_reached ();
1425 }
1426 ++td.ip;
1427 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
1428 break;
1429 case CEE_CONV_I1:
1430 CHECK_STACK (&td, 1);
1431 switch (td.sp [-1].type) {
1432 case STACK_TYPE_R8:
1433 ADD_CODE(&td, MINT_CONV_I1_R8);
1434 break;
1435 case STACK_TYPE_I4:
1436 ADD_CODE(&td, MINT_CONV_I1_I4);
1437 break;
1438 case STACK_TYPE_I8:
1439 ADD_CODE(&td, MINT_CONV_I1_I8);
1440 break;
1441 default:
1442 g_assert_not_reached ();
1443 }
1444 ++td.ip;
1445 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
1446 break;
1447 case CEE_CONV_U2:
1448 CHECK_STACK (&td, 1);
1449 switch (td.sp [-1].type) {
1450 case STACK_TYPE_R8:
1451 ADD_CODE(&td, MINT_CONV_U2_R8);
1452 break;
1453 case STACK_TYPE_I4:
1454 ADD_CODE(&td, MINT_CONV_U2_I4);
1455 break;
1456 case STACK_TYPE_I8:
1457 ADD_CODE(&td, MINT_CONV_U2_I8);
1458 break;
1459 default:
1460 g_assert_not_reached ();
1461 }
1462 ++td.ip;
1463 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
1464 break;
1465 case CEE_CONV_I2:
1466 CHECK_STACK (&td, 1);
1467 switch (td.sp [-1].type) {
1468 case STACK_TYPE_R8:
1469 ADD_CODE(&td, MINT_CONV_I2_R8);
1470 break;
1471 case STACK_TYPE_I4:
1472 ADD_CODE(&td, MINT_CONV_I2_I4);
1473 break;
1474 case STACK_TYPE_I8:
1475 ADD_CODE(&td, MINT_CONV_I2_I8);
1476 break;
1477 default:
1478 g_assert_not_reached ();
1479 }
1480 ++td.ip;
1481 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
1482 break;
1483 case CEE_CONV_U:
1484 CHECK_STACK (&td, 1);
1485 switch (td.sp [-1].type) {
1486 case STACK_TYPE_R8:
1487 #if SIZEOF_VOID_P == 4
1488 ADD_CODE(&td, MINT_CONV_U4_R8);
1489 #else
1490 ADD_CODE(&td, MINT_CONV_U8_R8);
1491 #endif
1492 break;
1493 case STACK_TYPE_I4:
1494 #if SIZEOF_VOID_P == 8
1495 ADD_CODE(&td, MINT_CONV_U8_I4);
1496 #endif
1497 break;
1498 case STACK_TYPE_I8:
1499 #if SIZEOF_VOID_P == 4
1500 ADD_CODE(&td, MINT_CONV_U4_I8);
1501 #endif
1502 break;
1503 default:
1504 g_assert_not_reached ();
1505 }
1506 ++td.ip;
1507 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I);
1508 break;
1509 case CEE_CONV_I:
1510 CHECK_STACK (&td, 1);
1511 switch (td.sp [-1].type) {
1512 case STACK_TYPE_R8:
1513 #if SIZEOF_VOID_P == 8
1514 ADD_CODE(&td, MINT_CONV_I8_R8);
1515 #else
1516 ADD_CODE(&td, MINT_CONV_I4_R8);
1517 #endif
1518 break;
1519 case STACK_TYPE_I4:
1520 #if SIZEOF_VOID_P == 8
1521 ADD_CODE(&td, MINT_CONV_I8_I4);
1522 #endif
1523 break;
1524 case STACK_TYPE_O:
1525 break;
1526 case STACK_TYPE_MP:
1527 break;
1528 case STACK_TYPE_I8:
1529 #if SIZEOF_VOID_P == 4
1530 ADD_CODE(&td, MINT_CONV_I4_I8);
1531 #endif
1532 break;
1533 default:
1534 g_assert_not_reached ();
1535 }
1536 ++td.ip;
1537 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I);
1538 break;
1539 case CEE_CONV_U4:
1540 CHECK_STACK (&td, 1);
1541 switch (td.sp [-1].type) {
1542 case STACK_TYPE_R8:
1543 ADD_CODE(&td, MINT_CONV_U4_R8);
1544 break;
1545 case STACK_TYPE_I4:
1546 break;
1547 case STACK_TYPE_I8:
1548 ADD_CODE(&td, MINT_CONV_U4_I8);
1549 break;
1550 case STACK_TYPE_MP:
1551 #if SIZEOF_VOID_P == 8
1552 ADD_CODE(&td, MINT_CONV_U4_I8);
1553 #endif
1554 break;
1555 default:
1556 g_assert_not_reached ();
1557 }
1558 ++td.ip;
1559 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
1560 break;
1561 case CEE_CONV_I4:
1562 CHECK_STACK (&td, 1);
1563 switch (td.sp [-1].type) {
1564 case STACK_TYPE_R8:
1565 ADD_CODE(&td, MINT_CONV_I4_R8);
1566 break;
1567 case STACK_TYPE_I4:
1568 break;
1569 case STACK_TYPE_I8:
1570 ADD_CODE(&td, MINT_CONV_I4_I8);
1571 break;
1572 case STACK_TYPE_MP:
1573 #if SIZEOF_VOID_P == 8
1574 ADD_CODE(&td, MINT_CONV_I4_I8);
1575 #endif
1576 break;
1577 default:
1578 g_assert_not_reached ();
1579 }
1580 ++td.ip;
1581 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
1582 break;
1583 case CEE_CONV_I8:
1584 CHECK_STACK (&td, 1);
1585 switch (td.sp [-1].type) {
1586 case STACK_TYPE_R8:
1587 ADD_CODE(&td, MINT_CONV_I8_R8);
1588 break;
1589 case STACK_TYPE_I4:
1590 ADD_CODE(&td, MINT_CONV_I8_I4);
1591 break;
1592 case STACK_TYPE_I8:
1593 break;
1594 case STACK_TYPE_MP:
1595 #if SIZEOF_VOID_P == 4
1596 ADD_CODE(&td, MINT_CONV_I8_I4);
1597 #endif
1598 break;
1599 default:
1600 g_assert_not_reached ();
1601 }
1602 ++td.ip;
1603 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I8);
1604 break;
1605 case CEE_CONV_R4:
1606 CHECK_STACK (&td, 1);
1607 switch (td.sp [-1].type) {
1608 case STACK_TYPE_R8:
1609 ADD_CODE(&td, MINT_CONV_R4_R8);
1610 break;
1611 case STACK_TYPE_I8:
1612 ADD_CODE(&td, MINT_CONV_R4_I8);
1613 break;
1614 case STACK_TYPE_I4:
1615 ADD_CODE(&td, MINT_CONV_R4_I4);
1616 break;
1617 default:
1618 g_assert_not_reached ();
1619 }
1620 ++td.ip;
1621 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_R8);
1622 break;
1623 case CEE_CONV_R8:
1624 CHECK_STACK (&td, 1);
1625 switch (td.sp [-1].type) {
1626 case STACK_TYPE_I4:
1627 ADD_CODE(&td, MINT_CONV_R8_I4);
1628 break;
1629 case STACK_TYPE_I8:
1630 ADD_CODE(&td, MINT_CONV_R8_I8);
1631 break;
1632 case STACK_TYPE_R8:
1633 break;
1634 default:
1635 g_assert_not_reached ();
1636 }
1637 ++td.ip;
1638 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_R8);
1639 break;
1640 case CEE_CONV_U8:
1641 CHECK_STACK (&td, 1);
1642 switch (td.sp [-1].type) {
1643 case STACK_TYPE_I4:
1644 ADD_CODE(&td, MINT_CONV_U8_I4);
1645 break;
1646 case STACK_TYPE_I8:
1647 break;
1648 case STACK_TYPE_R8:
1649 ADD_CODE(&td, MINT_CONV_U8_R8);
1650 break;
1651 case STACK_TYPE_MP:
1652 #if SIZEOF_VOID_P == 4
1653 ADD_CODE(&td, MINT_CONV_U8_I4);
1654 #endif
1655 break;
1656 default:
1657 g_assert_not_reached ();
1658 }
1659 ++td.ip;
1660 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I8);
1661 break;
1662 #if 0
1663 case CEE_CPOBJ: {
1664 MonoClass *vtklass;
1665 ++ip;
1666 vtklass = mono_class_get_full (image, read32 (ip), generic_context);
1667 ip += 4;
1668 sp -= 2;
1669 memcpy (sp [0].data.p, sp [1].data.p, mono_class_value_size (vtklass, NULL));
1670 break;
1671 }
1672 #endif
1673 case CEE_LDOBJ: {
1674 int size;
1675 CHECK_STACK (&td, 1);
1676
1677 token = read32 (td.ip + 1);
1678
1679 if (method->wrapper_type != MONO_WRAPPER_NONE)
1680 klass = (MonoClass *)mono_method_get_wrapper_data (method, token);
1681 else
1682 klass = mono_class_get_full (image, token, generic_context);
1683
1684 ADD_CODE(&td, MINT_LDOBJ);
1685 ADD_CODE(&td, get_data_item_index(&td, klass));
1686 if (klass->byval_arg.type == MONO_TYPE_VALUETYPE && !klass->byval_arg.data.klass->enumtype) {
1687 size = mono_class_value_size (klass, NULL);
1688 PUSH_VT(&td, size);
1689 }
1690 td.ip += 5;
1691 SET_TYPE(td.sp - 1, stack_type[mint_type(&klass->byval_arg)], klass);
1692 break;
1693 }
1694 case CEE_LDSTR: {
1695 MonoString *s;
1696 token = mono_metadata_token_index (read32 (td.ip + 1));
1697 td.ip += 5;
1698 if (method->wrapper_type != MONO_WRAPPER_NONE) {
1699 s = mono_string_new_wrapper(
1700 mono_method_get_wrapper_data (method, token));
1701 }
1702 else
1703 s = mono_ldstr (domain, image, token);
1704 ADD_CODE(&td, MINT_LDSTR);
1705 ADD_CODE(&td, get_data_item_index (&td, s));
1706 PUSH_TYPE(&td, STACK_TYPE_O, mono_defaults.string_class);
1707 break;
1708 }
1709 case CEE_NEWOBJ: {
1710 MonoMethod *m;
1711 MonoMethodSignature *csignature;
1712 guint32 vt_stack_used = 0;
1713 guint32 vt_res_size = 0;
1714
1715 td.ip++;
1716 token = read32 (td.ip);
1717 td.ip += 4;
1718
1719 if (method->wrapper_type != MONO_WRAPPER_NONE)
1720 m = (MonoMethod *)mono_method_get_wrapper_data (method, token);
1721 else
1722 m = mono_get_method_full (image, token, NULL, generic_context);
1723
1724 csignature = mono_method_signature (m);
1725 klass = m->klass;
1726 td.sp -= csignature->param_count;
1727 ADD_CODE(&td, MINT_NEWOBJ);
1728 ADD_CODE(&td, get_data_item_index (&td, mono_interp_get_runtime_method (domain, m, &error)));
1729 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
1730 if (klass->byval_arg.type == MONO_TYPE_VALUETYPE) {
1731 vt_res_size = mono_class_value_size (klass, NULL);
1732 PUSH_VT(&td, vt_res_size);
1733 }
1734 for (i = 0; i < csignature->param_count; ++i) {
1735 int mt = mint_type(csignature->params [i]);
1736 if (mt == MINT_TYPE_VT) {
1737 gint32 size = mono_class_value_size (csignature->params [i]->data.klass, NULL);
1738 size = (size + 7) & ~7;
1739 vt_stack_used += size;
1740 }
1741 }
1742 if (vt_stack_used != 0 || vt_res_size != 0) {
1743 ADD_CODE(&td, MINT_VTRESULT);
1744 ADD_CODE(&td, vt_res_size);
1745 WRITE32(&td, &vt_stack_used);
1746 td.vt_sp -= vt_stack_used;
1747 }
1748 PUSH_TYPE(&td, stack_type [mint_type (&klass->byval_arg)], klass);
1749 break;
1750 }
1751 case CEE_CASTCLASS:
1752 CHECK_STACK (&td, 1);
1753 token = read32 (td.ip + 1);
1754 klass = mono_class_get_full (image, token, generic_context);
1755 ADD_CODE(&td, MINT_CASTCLASS);
1756 ADD_CODE(&td, get_data_item_index (&td, klass));
1757 td.sp [-1].klass = klass;
1758 td.ip += 5;
1759 break;
1760 case CEE_ISINST:
1761 CHECK_STACK (&td, 1);
1762 token = read32 (td.ip + 1);
1763 klass = mono_class_get_full (image, token, generic_context);
1764 ADD_CODE(&td, MINT_ISINST);
1765 ADD_CODE(&td, get_data_item_index (&td, klass));
1766 td.ip += 5;
1767 break;
1768 case CEE_CONV_R_UN:
1769 switch (td.sp [-1].type) {
1770 case STACK_TYPE_R8:
1771 break;
1772 case STACK_TYPE_I8:
1773 ADD_CODE(&td, MINT_CONV_R_UN_I8);
1774 break;
1775 case STACK_TYPE_I4:
1776 ADD_CODE(&td, MINT_CONV_R_UN_I4);
1777 break;
1778 default:
1779 g_assert_not_reached ();
1780 }
1781 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_R8);
1782 ++td.ip;
1783 break;
1784 case CEE_UNBOX_ANY: /* let's play a dangerous game, TODO */
1785 case CEE_UNBOX:
1786 CHECK_STACK (&td, 1);
1787 token = read32 (td.ip + 1);
1788
1789 if (method->wrapper_type != MONO_WRAPPER_NONE)
1790 klass = (MonoClass *)mono_method_get_wrapper_data (method, token);
1791 else
1792 klass = mono_class_get_full (image, token, generic_context);
1793
1794 ADD_CODE(&td, MINT_UNBOX);
1795 ADD_CODE(&td, get_data_item_index (&td, klass));
1796 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_MP);
1797 td.ip += 5;
1798 break;
1799 case CEE_THROW:
1800 CHECK_STACK (&td, 1);
1801 SIMPLE_OP (td, MINT_THROW);
1802 --td.sp;
1803 generating_code = 0;
1804 break;
1805 case CEE_LDFLDA:
1806 CHECK_STACK (&td, 1);
1807 token = read32 (td.ip + 1);
1808 field = mono_field_from_token (image, token, &klass, generic_context);
1809 mono_class_init (klass);
1810 mt = mint_type(field->type);
1811 ADD_CODE(&td, MINT_LDFLDA);
1812 ADD_CODE(&td, klass->valuetype ? field->offset - sizeof(MonoObject) : field->offset);
1813 td.ip += 5;
1814 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_MP);
1815 break;
1816 case CEE_LDFLD: {
1817 CHECK_STACK (&td, 1);
1818 token = read32 (td.ip + 1);
1819 field = mono_field_from_token (image, token, &klass, generic_context);
1820 mono_class_init (klass);
1821 mt = mint_type(field->type);
1822 if (klass->marshalbyref) {
1823 ADD_CODE(&td, mt == MINT_TYPE_VT ? MINT_LDRMFLD_VT : MINT_LDRMFLD);
1824 ADD_CODE(&td, get_data_item_index (&td, field));
1825 } else {
1826 ADD_CODE(&td, MINT_LDFLD_I1 + mt - MINT_TYPE_I1);
1827 ADD_CODE(&td, klass->valuetype ? field->offset - sizeof(MonoObject) : field->offset);
1828 }
1829 klass = NULL;
1830 if (mt == MINT_TYPE_VT) {
1831 int size = mono_class_value_size (field->type->data.klass, NULL);
1832 PUSH_VT(&td, size);
1833 WRITE32(&td, &size);
1834 klass = field->type->data.klass;
1835 } else if (mt == MINT_TYPE_O)
1836 klass = mono_class_from_mono_type (field->type);
1837 td.ip += 5;
1838 SET_TYPE(td.sp - 1, stack_type [mt], klass);
1839 break;
1840 }
1841 case CEE_STFLD:
1842 CHECK_STACK (&td, 2);
1843 token = read32 (td.ip + 1);
1844 field = mono_field_from_token (image, token, &klass, generic_context);
1845 mono_class_init (klass);
1846 mt = mint_type(field->type);
1847 if (klass->marshalbyref) {
1848 ADD_CODE(&td, mt == MINT_TYPE_VT ? MINT_STRMFLD_VT : MINT_STRMFLD);
1849 ADD_CODE(&td, get_data_item_index (&td, field));
1850 } else {
1851 ADD_CODE(&td, MINT_STFLD_I1 + mt - MINT_TYPE_I1);
1852 ADD_CODE(&td, klass->valuetype ? field->offset - sizeof(MonoObject) : field->offset);
1853 }
1854 if (mt == MINT_TYPE_VT) {
1855 int size = mono_class_value_size (field->type->data.klass, NULL);
1856 POP_VT(&td, size);
1857 WRITE32(&td, &size);
1858 }
1859 td.ip += 5;
1860 td.sp -= 2;
1861 break;
1862 case CEE_LDSFLDA:
1863 token = read32 (td.ip + 1);
1864 field = mono_field_from_token (image, token, &klass, generic_context);
1865 ADD_CODE(&td, MINT_LDSFLDA);
1866 ADD_CODE(&td, get_data_item_index (&td, field));
1867 td.ip += 5;
1868 PUSH_SIMPLE_TYPE(&td, STACK_TYPE_MP);
1869 break;
1870 case CEE_LDSFLD:
1871 token = read32 (td.ip + 1);
1872 field = mono_field_from_token (image, token, &klass, generic_context);
1873 mt = mint_type(field->type);
1874 ADD_CODE(&td, mt == MINT_TYPE_VT ? MINT_LDSFLD_VT : MINT_LDSFLD);
1875 ADD_CODE(&td, get_data_item_index (&td, field));
1876 klass = NULL;
1877 if (mt == MINT_TYPE_VT) {
1878 int size = mono_class_value_size (field->type->data.klass, NULL);
1879 PUSH_VT(&td, size);
1880 WRITE32(&td, &size);
1881 klass = field->type->data.klass;
1882 } else {
1883 if (mt == MINT_TYPE_O)
1884 klass = mono_class_from_mono_type (field->type);
1885 if (!domain->special_static_fields || !g_hash_table_lookup (domain->special_static_fields, field)) {
1886 if (mt == MINT_TYPE_O)
1887 td.new_ip [-2] = MINT_LDSFLD_O;
1888 else if (mt == MINT_TYPE_I4)
1889 td.new_ip [-2] = MINT_LDSFLD_I4;
1890 }
1891 ADD_CODE(&td, get_data_item_index (&td, mono_class_vtable (domain, field->parent)));
1892 }
1893 td.ip += 5;
1894 PUSH_TYPE(&td, stack_type [mt], klass);
1895 break;
1896 case CEE_STSFLD:
1897 CHECK_STACK (&td, 1);
1898 token = read32 (td.ip + 1);
1899 field = mono_field_from_token (image, token, &klass, generic_context);
1900 mt = mint_type(field->type);
1901 ADD_CODE(&td, mt == MINT_TYPE_VT ? MINT_STSFLD_VT : MINT_STSFLD);
1902 ADD_CODE(&td, get_data_item_index (&td, field));
1903 if (mt == MINT_TYPE_VT) {
1904 int size = mono_class_value_size (field->type->data.klass, NULL);
1905 POP_VT(&td, size);
1906 WRITE32(&td, &size);
1907 }
1908 td.ip += 5;
1909 --td.sp;
1910 break;
1911 case CEE_STOBJ: {
1912 int size;
1913 token = read32 (td.ip + 1);
1914
1915 if (method->wrapper_type != MONO_WRAPPER_NONE)
1916 klass = (MonoClass *)mono_method_get_wrapper_data (method, token);
1917 else
1918 klass = mono_class_get_full (image, token, generic_context);
1919
1920 ADD_CODE(&td, td.sp [-1].type == STACK_TYPE_VT ? MINT_STOBJ_VT : MINT_STOBJ);
1921 ADD_CODE(&td, get_data_item_index (&td, klass));
1922 if (td.sp [-1].type == STACK_TYPE_VT) {
1923 size = mono_class_value_size (klass, NULL);
1924 size = (size + 7) & ~7;
1925 td.vt_sp -= size;
1926 }
1927 td.ip += 5;
1928 td.sp -= 2;
1929 break;
1930 }
1931 case CEE_CONV_OVF_I_UN:
1932 CHECK_STACK (&td, 1);
1933 switch (td.sp [-1].type) {
1934 case STACK_TYPE_R8:
1935 #if SIZEOF_VOID_P == 8
1936 ADD_CODE(&td, MINT_CONV_OVF_I8_UN_R8);
1937 #else
1938 ADD_CODE(&td, MINT_CONV_OVF_I4_UN_R8);
1939 #endif
1940 break;
1941 case STACK_TYPE_I8:
1942 /*FIX*/
1943 break;
1944 case STACK_TYPE_I4:
1945 #if SIZEOF_VOID_P == 8
1946 ADD_CODE(&td, MINT_CONV_I8_U4);
1947 #endif
1948 break;
1949 default:
1950 g_assert_not_reached ();
1951 break;
1952 }
1953 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I8);
1954 ++td.ip;
1955 break;
1956 case CEE_CONV_OVF_I8_UN:
1957 CHECK_STACK (&td, 1);
1958 switch (td.sp [-1].type) {
1959 case STACK_TYPE_R8:
1960 ADD_CODE(&td, MINT_CONV_OVF_I8_UN_R8);
1961 break;
1962 case STACK_TYPE_I8:
1963 break;
1964 case STACK_TYPE_I4:
1965 ADD_CODE(&td, MINT_CONV_I8_U4);
1966 break;
1967 default:
1968 g_assert_not_reached ();
1969 break;
1970 }
1971 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I8);
1972 ++td.ip;
1973 break;
1974 case CEE_BOX: {
1975 int size;
1976 CHECK_STACK (&td, 1);
1977 token = read32 (td.ip + 1);
1978 if (method->wrapper_type != MONO_WRAPPER_NONE)
1979 klass = (MonoClass *)mono_method_get_wrapper_data (method, token);
1980 else
1981 klass = mono_class_get_full (image, token, generic_context);
1982 g_assert (klass->valuetype);
1983 if (klass->byval_arg.type == MONO_TYPE_VALUETYPE && !klass->enumtype) {
1984 size = mono_class_value_size (klass, NULL);
1985 size = (size + 7) & ~7;
1986 td.vt_sp -= size;
1987 }
1988 ADD_CODE(&td, MINT_BOX);
1989 ADD_CODE(&td, get_data_item_index (&td, klass));
1990 SET_TYPE(td.sp - 1, STACK_TYPE_O, klass);
1991 td.ip += 5;
1992 break;
1993 }
1994 case CEE_NEWARR:
1995 CHECK_STACK (&td, 1);
1996 token = read32 (td.ip + 1);
1997
1998 if (method->wrapper_type != MONO_WRAPPER_NONE)
1999 klass = (MonoClass *)mono_method_get_wrapper_data (method, token);
2000 else
2001 klass = mono_class_get_full (image, token, generic_context);
2002
2003 ADD_CODE(&td, MINT_NEWARR);
2004 ADD_CODE(&td, get_data_item_index (&td, klass));
2005 SET_TYPE(td.sp - 1, STACK_TYPE_O, klass);
2006 td.ip += 5;
2007 break;
2008 case CEE_LDLEN:
2009 CHECK_STACK (&td, 1);
2010 SIMPLE_OP (td, MINT_LDLEN);
2011 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I);
2012 break;
2013 case CEE_LDELEMA:
2014 CHECK_STACK (&td, 2);
2015 ENSURE_I4 (&td, 1);
2016 token = read32 (td.ip + 1);
2017
2018 if (method->wrapper_type != MONO_WRAPPER_NONE)
2019 klass = (MonoClass *)mono_method_get_wrapper_data (method, token);
2020 else
2021 klass = mono_class_get_full (image, token, generic_context);
2022
2023 ADD_CODE(&td, MINT_LDELEMA);
2024 ADD_CODE(&td, get_data_item_index (&td, klass));
2025 td.ip += 5;
2026 --td.sp;
2027 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_MP);
2028 break;
2029 case CEE_LDELEM_I1:
2030 CHECK_STACK (&td, 2);
2031 ENSURE_I4 (&td, 1);
2032 SIMPLE_OP (td, MINT_LDELEM_I1);
2033 --td.sp;
2034 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2035 break;
2036 case CEE_LDELEM_U1:
2037 CHECK_STACK (&td, 2);
2038 ENSURE_I4 (&td, 1);
2039 SIMPLE_OP (td, MINT_LDELEM_U1);
2040 --td.sp;
2041 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2042 break;
2043 case CEE_LDELEM_I2:
2044 CHECK_STACK (&td, 2);
2045 ENSURE_I4 (&td, 1);
2046 SIMPLE_OP (td, MINT_LDELEM_I2);
2047 --td.sp;
2048 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2049 break;
2050 case CEE_LDELEM_U2:
2051 CHECK_STACK (&td, 2);
2052 ENSURE_I4 (&td, 1);
2053 SIMPLE_OP (td, MINT_LDELEM_U2);
2054 --td.sp;
2055 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2056 break;
2057 case CEE_LDELEM_I4:
2058 CHECK_STACK (&td, 2);
2059 ENSURE_I4 (&td, 1);
2060 SIMPLE_OP (td, MINT_LDELEM_I4);
2061 --td.sp;
2062 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2063 break;
2064 case CEE_LDELEM_U4:
2065 CHECK_STACK (&td, 2);
2066 ENSURE_I4 (&td, 1);
2067 SIMPLE_OP (td, MINT_LDELEM_U4);
2068 --td.sp;
2069 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2070 break;
2071 case CEE_LDELEM_I8:
2072 CHECK_STACK (&td, 2);
2073 ENSURE_I4 (&td, 1);
2074 SIMPLE_OP (td, MINT_LDELEM_I8);
2075 --td.sp;
2076 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I8);
2077 break;
2078 case CEE_LDELEM_I:
2079 CHECK_STACK (&td, 2);
2080 ENSURE_I4 (&td, 1);
2081 SIMPLE_OP (td, MINT_LDELEM_I);
2082 --td.sp;
2083 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I);
2084 break;
2085 case CEE_LDELEM_R4:
2086 CHECK_STACK (&td, 2);
2087 ENSURE_I4 (&td, 1);
2088 SIMPLE_OP (td, MINT_LDELEM_R4);
2089 --td.sp;
2090 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_R8);
2091 break;
2092 case CEE_LDELEM_R8:
2093 CHECK_STACK (&td, 2);
2094 ENSURE_I4 (&td, 1);
2095 SIMPLE_OP (td, MINT_LDELEM_R8);
2096 --td.sp;
2097 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_R8);
2098 break;
2099 case CEE_LDELEM_REF:
2100 CHECK_STACK (&td, 2);
2101 ENSURE_I4 (&td, 1);
2102 SIMPLE_OP (td, MINT_LDELEM_REF);
2103 --td.sp;
2104 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_O);
2105 break;
2106 case CEE_STELEM_I:
2107 CHECK_STACK (&td, 3);
2108 ENSURE_I4 (&td, 2);
2109 SIMPLE_OP (td, MINT_STELEM_I);
2110 td.sp -= 3;
2111 break;
2112 case CEE_STELEM_I1:
2113 CHECK_STACK (&td, 3);
2114 ENSURE_I4 (&td, 2);
2115 SIMPLE_OP (td, MINT_STELEM_I1);
2116 td.sp -= 3;
2117 break;
2118 case CEE_STELEM_I2:
2119 CHECK_STACK (&td, 3);
2120 ENSURE_I4 (&td, 2);
2121 SIMPLE_OP (td, MINT_STELEM_I2);
2122 td.sp -= 3;
2123 break;
2124 case CEE_STELEM_I4:
2125 CHECK_STACK (&td, 3);
2126 ENSURE_I4 (&td, 2);
2127 SIMPLE_OP (td, MINT_STELEM_I4);
2128 td.sp -= 3;
2129 break;
2130 case CEE_STELEM_I8:
2131 CHECK_STACK (&td, 3);
2132 ENSURE_I4 (&td, 2);
2133 SIMPLE_OP (td, MINT_STELEM_I8);
2134 td.sp -= 3;
2135 break;
2136 case CEE_STELEM_R4:
2137 CHECK_STACK (&td, 3);
2138 ENSURE_I4 (&td, 2);
2139 SIMPLE_OP (td, MINT_STELEM_R4);
2140 td.sp -= 3;
2141 break;
2142 case CEE_STELEM_R8:
2143 CHECK_STACK (&td, 3);
2144 ENSURE_I4 (&td, 2);
2145 SIMPLE_OP (td, MINT_STELEM_R8);
2146 td.sp -= 3;
2147 break;
2148 case CEE_STELEM_REF:
2149 CHECK_STACK (&td, 3);
2150 ENSURE_I4 (&td, 2);
2151 SIMPLE_OP (td, MINT_STELEM_REF);
2152 td.sp -= 3;
2153 break;
2154 #if 0
2155 case CEE_LDELEM:
2156 case CEE_STELEM:
2157
2158 case CEE_CONV_OVF_U1:
2159
2160 case CEE_CONV_OVF_I8:
2161
2162 #if SIZEOF_VOID_P == 8
2163 case CEE_CONV_OVF_U:
2164 #endif
2165 case CEE_REFANYVAL: ves_abort(); break;
2166 #endif
2167 case CEE_CKFINITE:
2168 CHECK_STACK (&td, 1);
2169 SIMPLE_OP (td, MINT_CKFINITE);
2170 break;
2171 case CEE_CONV_OVF_I1:
2172 case CEE_CONV_OVF_I1_UN:
2173 CHECK_STACK (&td, 1);
2174 switch (td.sp [-1].type) {
2175 case STACK_TYPE_R8:
2176 ADD_CODE(&td, MINT_CONV_OVF_I1_R8);
2177 break;
2178 case STACK_TYPE_I4:
2179 ADD_CODE(&td, MINT_CONV_OVF_I1_I4);
2180 break;
2181 case STACK_TYPE_I8:
2182 ADD_CODE(&td, MINT_CONV_OVF_I1_I8);
2183 break;
2184 default:
2185 g_assert_not_reached ();
2186 }
2187 ++td.ip;
2188 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2189 break;
2190 case CEE_CONV_OVF_U1:
2191 case CEE_CONV_OVF_U1_UN:
2192 CHECK_STACK (&td, 1);
2193 switch (td.sp [-1].type) {
2194 case STACK_TYPE_R8:
2195 ADD_CODE(&td, MINT_CONV_OVF_U1_R8);
2196 break;
2197 case STACK_TYPE_I4:
2198 ADD_CODE(&td, MINT_CONV_OVF_U1_I4);
2199 break;
2200 case STACK_TYPE_I8:
2201 ADD_CODE(&td, MINT_CONV_OVF_U1_I8);
2202 break;
2203 default:
2204 g_assert_not_reached ();
2205 }
2206 ++td.ip;
2207 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2208 break;
2209 case CEE_CONV_OVF_I2:
2210 case CEE_CONV_OVF_I2_UN:
2211 CHECK_STACK (&td, 1);
2212 switch (td.sp [-1].type) {
2213 case STACK_TYPE_R8:
2214 ADD_CODE(&td, MINT_CONV_OVF_I2_R8);
2215 break;
2216 case STACK_TYPE_I4:
2217 ADD_CODE(&td, MINT_CONV_OVF_I2_I4);
2218 break;
2219 case STACK_TYPE_I8:
2220 ADD_CODE(&td, MINT_CONV_OVF_I2_I8);
2221 break;
2222 default:
2223 g_assert_not_reached ();
2224 }
2225 ++td.ip;
2226 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2227 break;
2228 case CEE_CONV_OVF_U2_UN:
2229 case CEE_CONV_OVF_U2:
2230 CHECK_STACK (&td, 1);
2231 switch (td.sp [-1].type) {
2232 case STACK_TYPE_R8:
2233 ADD_CODE(&td, MINT_CONV_OVF_U2_R8);
2234 break;
2235 case STACK_TYPE_I4:
2236 ADD_CODE(&td, MINT_CONV_OVF_U2_I4);
2237 break;
2238 case STACK_TYPE_I8:
2239 ADD_CODE(&td, MINT_CONV_OVF_U2_I8);
2240 break;
2241 default:
2242 g_assert_not_reached ();
2243 }
2244 ++td.ip;
2245 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2246 break;
2247 #if SIZEOF_VOID_P == 4
2248 case CEE_CONV_OVF_I:
2249 #endif
2250 case CEE_CONV_OVF_I4:
2251 case CEE_CONV_OVF_I4_UN:
2252 CHECK_STACK (&td, 1);
2253 switch (td.sp [-1].type) {
2254 case STACK_TYPE_R8:
2255 ADD_CODE(&td, MINT_CONV_OVF_I4_R8);
2256 break;
2257 case STACK_TYPE_I4:
2258 if (*td.ip == CEE_CONV_OVF_I4_UN)
2259 ADD_CODE(&td, MINT_CONV_OVF_I4_U4);
2260 break;
2261 case STACK_TYPE_I8:
2262 ADD_CODE(&td, MINT_CONV_OVF_I4_I8);
2263 break;
2264 default:
2265 g_assert_not_reached ();
2266 }
2267 ++td.ip;
2268 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2269 break;
2270 #if SIZEOF_VOID_P == 4
2271 case CEE_CONV_OVF_U:
2272 #endif
2273 case CEE_CONV_OVF_U4:
2274 case CEE_CONV_OVF_U4_UN:
2275 CHECK_STACK (&td, 1);
2276 switch (td.sp [-1].type) {
2277 case STACK_TYPE_R8:
2278 ADD_CODE(&td, MINT_CONV_OVF_U4_R8);
2279 break;
2280 case STACK_TYPE_I4:
2281 if (*td.ip != CEE_CONV_OVF_U4_UN)
2282 ADD_CODE(&td, MINT_CONV_OVF_U4_I4);
2283 break;
2284 case STACK_TYPE_I8:
2285 ADD_CODE(&td, MINT_CONV_OVF_U4_I8);
2286 break;
2287 default:
2288 g_assert_not_reached ();
2289 }
2290 ++td.ip;
2291 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2292 break;
2293 #if SIZEOF_VOID_P == 8
2294 case CEE_CONV_OVF_I:
2295 #endif
2296 case CEE_CONV_OVF_I8:
2297 CHECK_STACK (&td, 1);
2298 switch (td.sp [-1].type) {
2299 case STACK_TYPE_R8:
2300 ADD_CODE(&td, MINT_CONV_OVF_I8_R8);
2301 break;
2302 case STACK_TYPE_I4:
2303 ADD_CODE(&td, MINT_CONV_I8_I4);
2304 break;
2305 case STACK_TYPE_I8:
2306 break;
2307 default:
2308 g_assert_not_reached ();
2309 }
2310 ++td.ip;
2311 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I8);
2312 break;
2313 #if SIZEOF_VOID_P == 8
2314 case CEE_CONV_OVF_U:
2315 #endif
2316 case CEE_CONV_OVF_U8:
2317 CHECK_STACK (&td, 1);
2318 switch (td.sp [-1].type) {
2319 case STACK_TYPE_R8:
2320 ADD_CODE(&td, MINT_CONV_OVF_U8_R8);
2321 break;
2322 case STACK_TYPE_I4:
2323 ADD_CODE(&td, MINT_CONV_OVF_U8_I4);
2324 break;
2325 case STACK_TYPE_I8:
2326 break;
2327 default:
2328 g_assert_not_reached ();
2329 }
2330 ++td.ip;
2331 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I8);
2332 break;
2333 case CEE_LDTOKEN: {
2334 int size;
2335 gpointer handle;
2336 token = read32 (td.ip + 1);
2337 handle = mono_ldtoken (image, token, &klass, generic_context);
2338 mt = mint_type(&klass->byval_arg);
2339 g_assert (mt == MINT_TYPE_VT);
2340 size = mono_class_value_size (klass, NULL);
2341 g_assert (size == sizeof(gpointer));
2342 PUSH_VT(&td, sizeof(gpointer));
2343 ADD_CODE(&td, MINT_LDTOKEN);
2344 ADD_CODE(&td, get_data_item_index (&td, handle));
2345 PUSH_SIMPLE_TYPE(&td, stack_type [mt]);
2346 td.ip += 5;
2347 break;
2348 }
2349 case CEE_ADD_OVF:
2350 binary_arith_op(&td, MINT_ADD_OVF_I4);
2351 ++td.ip;
2352 break;
2353 case CEE_ADD_OVF_UN:
2354 binary_arith_op(&td, MINT_ADD_OVF_UN_I4);
2355 ++td.ip;
2356 break;
2357 case CEE_MUL_OVF:
2358 binary_arith_op(&td, MINT_MUL_OVF_I4);
2359 ++td.ip;
2360 break;
2361 case CEE_MUL_OVF_UN:
2362 binary_arith_op(&td, MINT_MUL_OVF_UN_I4);
2363 ++td.ip;
2364 break;
2365 case CEE_SUB_OVF:
2366 binary_arith_op(&td, MINT_SUB_OVF_I4);
2367 ++td.ip;
2368 break;
2369 case CEE_SUB_OVF_UN:
2370 binary_arith_op(&td, MINT_SUB_OVF_UN_I4);
2371 ++td.ip;
2372 break;
2373 case CEE_ENDFINALLY:
2374 SIMPLE_OP (td, MINT_ENDFINALLY);
2375 generating_code = 0;
2376 break;
2377 case CEE_LEAVE:
2378 td.sp = td.stack;
2379 handle_branch (&td, MINT_LEAVE_S, MINT_LEAVE, 5 + read32 (td.ip + 1));
2380 td.ip += 5;
2381 generating_code = 0;
2382 break;
2383 case CEE_LEAVE_S:
2384 td.sp = td.stack;
2385 handle_branch (&td, MINT_LEAVE_S, MINT_LEAVE, 2 + (gint8)td.ip [1]);
2386 td.ip += 2;
2387 generating_code = 0;
2388 break;
2389 case CEE_UNUSED41:
2390 ++td.ip;
2391 switch (*td.ip) {
2392 case CEE_MONO_ICALL: {
2393 guint32 token;
2394 gpointer func;
2395 MonoJitICallInfo *info;
2396
2397 token = read32 (td.ip + 1);
2398 td.ip += 5;
2399 func = mono_method_get_wrapper_data (method, token);
2400 info = mono_find_jit_icall_by_addr (func);
2401 g_assert (info);
2402
2403 CHECK_STACK (&td, info->sig->param_count);
2404 switch (info->sig->param_count) {
2405 case 0:
2406 if (MONO_TYPE_IS_VOID (info->sig->ret))
2407 ADD_CODE (&td,MINT_ICALL_V_V);
2408 else
2409 g_assert_not_reached();
2410 break;
2411 case 1:
2412 if (MONO_TYPE_IS_VOID (info->sig->ret))
2413 ADD_CODE (&td,MINT_ICALL_P_V);
2414 else
2415 ADD_CODE (&td,MINT_ICALL_P_P);
2416 break;
2417 case 2:
2418 if (MONO_TYPE_IS_VOID (info->sig->ret)) {
2419 if (info->sig->params [1]->type == MONO_TYPE_I4)
2420 ADD_CODE (&td,MINT_ICALL_PI_V);
2421 else
2422 ADD_CODE (&td,MINT_ICALL_PP_V);
2423 } else {
2424 if (info->sig->params [1]->type == MONO_TYPE_I4)
2425 ADD_CODE (&td,MINT_ICALL_PI_P);
2426 else
2427 ADD_CODE (&td,MINT_ICALL_PP_P);
2428 }
2429 break;
2430 case 3:
2431 g_assert (MONO_TYPE_IS_VOID (info->sig->ret));
2432 if (info->sig->params [2]->type == MONO_TYPE_I4)
2433 ADD_CODE (&td,MINT_ICALL_PPI_V);
2434 else
2435 ADD_CODE (&td,MINT_ICALL_PPP_V);
2436 break;
2437 default:
2438 g_assert_not_reached ();
2439 }
2440 g_error ("FIXME: ftnptr to delegate");
2441 #if 0
2442 if (func == mono_ftnptr_to_delegate)
2443 func = mono_interp_ftnptr_to_delegate;
2444 #endif
2445 ADD_CODE(&td, get_data_item_index (&td, func));
2446 td.sp -= info->sig->param_count;
2447
2448 if (!MONO_TYPE_IS_VOID (info->sig->ret)) {
2449 td.sp ++;
2450 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I);
2451 }
2452 break;
2453 }
2454 case CEE_MONO_VTADDR: {
2455 int size;
2456 CHECK_STACK (&td, 1);
2457 if (method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE)
2458 size = mono_class_native_size(td.sp [-1].klass, NULL);
2459 else
2460 size = mono_class_value_size(td.sp [-1].klass, NULL);
2461 size = (size + 7) & ~7;
2462 ADD_CODE(&td, MINT_VTRESULT);
2463 ADD_CODE(&td, 0);
2464 WRITE32(&td, &size);
2465 td.vt_sp -= size;
2466 ++td.ip;
2467 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_MP);
2468 break;
2469 }
2470 case CEE_MONO_LDPTR:
2471 case CEE_MONO_CLASSCONST:
2472 token = read32 (td.ip + 1);
2473 td.ip += 5;
2474 ADD_CODE(&td, MINT_MONO_LDPTR);
2475 ADD_CODE(&td, get_data_item_index (&td, mono_method_get_wrapper_data (method, token)));
2476 td.sp [0].type = STACK_TYPE_I;
2477 ++td.sp;
2478 break;
2479 case CEE_MONO_OBJADDR:
2480 CHECK_STACK (&td, 1);
2481 ++td.ip;
2482 td.sp[-1].type = STACK_TYPE_MP;
2483 /* do nothing? */
2484 break;
2485 case CEE_MONO_NEWOBJ:
2486 token = read32 (td.ip + 1);
2487 td.ip += 5;
2488 ADD_CODE(&td, MINT_MONO_NEWOBJ);
2489 ADD_CODE(&td, get_data_item_index (&td, mono_method_get_wrapper_data (method, token)));
2490 td.sp [0].type = STACK_TYPE_O;
2491 ++td.sp;
2492 break;
2493 case CEE_MONO_RETOBJ:
2494 CHECK_STACK (&td, 1);
2495 token = read32 (td.ip + 1);
2496 td.ip += 5;
2497 ADD_CODE(&td, MINT_MONO_RETOBJ);
2498 td.sp--;
2499
2500 klass = (MonoClass *)mono_method_get_wrapper_data (method, token);
2501
2502 /*stackval_from_data (signature->ret, frame->retval, sp->data.vt, signature->pinvoke);*/
2503
2504 if (td.sp > td.stack)
2505 g_warning ("CEE_MONO_RETOBJ: more values on stack: %d", td.sp-td.stack);
2506 break;
2507 case CEE_MONO_LDNATIVEOBJ:
2508 token = read32 (td.ip + 1);
2509 td.ip += 5;
2510 klass = (MonoClass *)mono_method_get_wrapper_data (method, token);
2511 g_assert(klass->valuetype);
2512 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_MP);
2513 break;
2514 case CEE_MONO_SAVE_LMF:
2515 case CEE_MONO_RESTORE_LMF:
2516 case CEE_MONO_NOT_TAKEN:
2517 ++td.ip;
2518 break;
2519 default:
2520 g_error ("transform.c: Unimplemented opcode: 0xF0 %02x at 0x%x\n", *td.ip, td.ip-header->code);
2521 }
2522 break;
2523 #if 0
2524 case CEE_PREFIX7:
2525 case CEE_PREFIX6:
2526 case CEE_PREFIX5:
2527 case CEE_PREFIX4:
2528 case CEE_PREFIX3:
2529 case CEE_PREFIX2:
2530 case CEE_PREFIXREF: ves_abort(); break;
2531 #endif
2532 /*
2533 * Note: Exceptions thrown when executing a prefixed opcode need
2534 * to take into account the number of prefix bytes (usually the
2535 * throw point is just (ip - n_prefix_bytes).
2536 */
2537 case CEE_PREFIX1:
2538 ++td.ip;
2539 switch (*td.ip) {
2540 #if 0
2541 case CEE_ARGLIST: ves_abort(); break;
2542 #endif
2543 case CEE_CEQ:
2544 CHECK_STACK(&td, 2);
2545 if (td.sp [-1].type == STACK_TYPE_O || td.sp [-1].type == STACK_TYPE_MP)
2546 ADD_CODE(&td, MINT_CEQ_I4 + STACK_TYPE_I - STACK_TYPE_I4);
2547 else
2548 ADD_CODE(&td, MINT_CEQ_I4 + td.sp [-1].type - STACK_TYPE_I4);
2549 --td.sp;
2550 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2551 ++td.ip;
2552 break;
2553 case CEE_CGT:
2554 CHECK_STACK(&td, 2);
2555 if (td.sp [-1].type == STACK_TYPE_O || td.sp [-1].type == STACK_TYPE_MP)
2556 ADD_CODE(&td, MINT_CGT_I4 + STACK_TYPE_I - STACK_TYPE_I4);
2557 else
2558 ADD_CODE(&td, MINT_CGT_I4 + td.sp [-1].type - STACK_TYPE_I4);
2559 --td.sp;
2560 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2561 ++td.ip;
2562 break;
2563 case CEE_CGT_UN:
2564 CHECK_STACK(&td, 2);
2565 if (td.sp [-1].type == STACK_TYPE_O || td.sp [-1].type == STACK_TYPE_MP)
2566 ADD_CODE(&td, MINT_CGT_UN_I4 + STACK_TYPE_I - STACK_TYPE_I4);
2567 else
2568 ADD_CODE(&td, MINT_CGT_UN_I4 + td.sp [-1].type - STACK_TYPE_I4);
2569 --td.sp;
2570 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2571 ++td.ip;
2572 break;
2573 case CEE_CLT:
2574 CHECK_STACK(&td, 2);
2575 if (td.sp [-1].type == STACK_TYPE_O || td.sp [-1].type == STACK_TYPE_MP)
2576 ADD_CODE(&td, MINT_CLT_I4 + STACK_TYPE_I - STACK_TYPE_I4);
2577 else
2578 ADD_CODE(&td, MINT_CLT_I4 + td.sp [-1].type - STACK_TYPE_I4);
2579 --td.sp;
2580 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2581 ++td.ip;
2582 break;
2583 case CEE_CLT_UN:
2584 CHECK_STACK(&td, 2);
2585 if (td.sp [-1].type == STACK_TYPE_O || td.sp [-1].type == STACK_TYPE_MP)
2586 ADD_CODE(&td, MINT_CLT_UN_I4 + STACK_TYPE_I - STACK_TYPE_I4);
2587 else
2588 ADD_CODE(&td, MINT_CLT_UN_I4 + td.sp [-1].type - STACK_TYPE_I4);
2589 --td.sp;
2590 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4);
2591 ++td.ip;
2592 break;
2593 case CEE_LDVIRTFTN: /* fallthrough */
2594 case CEE_LDFTN: {
2595 MonoMethod *m;
2596 if (*td.ip == CEE_LDVIRTFTN) {
2597 CHECK_STACK (&td, 1);
2598 --td.sp;
2599 }
2600 token = read32 (td.ip + 1);
2601 if (method->wrapper_type != MONO_WRAPPER_NONE)
2602 m = (MonoMethod *)mono_method_get_wrapper_data (method, token);
2603 else
2604 m = mono_get_method_full (image, token, NULL, generic_context);
2605
2606 if (method->wrapper_type == MONO_WRAPPER_NONE && m->iflags & METHOD_IMPL_ATTRIBUTE_SYNCHRONIZED)
2607 m = mono_marshal_get_synchronized_wrapper (m);
2608
2609 ADD_CODE(&td, *td.ip == CEE_LDFTN ? MINT_LDFTN : MINT_LDVIRTFTN);
2610 ADD_CODE(&td, get_data_item_index (&td, mono_interp_get_runtime_method (domain, m, &error)));
2611 mono_error_cleanup (&error); /* FIXME: don't swallow the error */
2612 td.ip += 5;
2613 PUSH_SIMPLE_TYPE (&td, STACK_TYPE_F);
2614 break;
2615 }
2616 case CEE_LDARG:
2617 load_arg (&td, read16 (td.ip + 1));
2618 td.ip += 3;
2619 break;
2620 case CEE_LDARGA: {
2621 int n = read16 (td.ip + 1);
2622 if (n == 0 && signature->hasthis)
2623 ADD_CODE(&td, MINT_LDTHISA);
2624 else {
2625 ADD_CODE(&td, MINT_LDARGA);
2626 ADD_CODE(&td, td.rtm->arg_offsets [n - signature->hasthis]); /* FIX for large offsets */
2627 }
2628 PUSH_SIMPLE_TYPE(&td, STACK_TYPE_MP);
2629 td.ip += 3;
2630 break;
2631 }
2632 case CEE_STARG:
2633 store_arg (&td, read16 (td.ip + 1));
2634 td.ip += 3;
2635 break;
2636 case CEE_LDLOC:
2637 load_local (&td, read16 (td.ip + 1));
2638 td.ip += 3;
2639 break;
2640 case CEE_LDLOCA:
2641 ADD_CODE(&td, MINT_LDLOCA_S);
2642 ADD_CODE(&td, td.rtm->local_offsets [read16 (td.ip + 1)]);
2643 PUSH_SIMPLE_TYPE(&td, STACK_TYPE_MP);
2644 td.ip += 3;
2645 break;
2646 case CEE_STLOC:
2647 store_local (&td, read16 (td.ip + 1));
2648 td.ip += 3;
2649 break;
2650 case CEE_LOCALLOC:
2651 CHECK_STACK (&td, 1);
2652 #if SIZEOF_VOID_P == 8
2653 if (td.sp [-1].type == STACK_TYPE_I8)
2654 ADD_CODE(&td, MINT_CONV_I4_I8);
2655 #endif
2656 ADD_CODE(&td, MINT_LOCALLOC);
2657 if (td.sp != td.stack + 1)
2658 g_warning("CEE_LOCALLOC: stack not empty");
2659 ++td.ip;
2660 SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_MP);
2661 break;
2662 #if 0
2663 case CEE_UNUSED57: ves_abort(); break;
2664 case CEE_ENDFILTER: ves_abort(); break;
2665 #endif
2666 case CEE_UNALIGNED_:
2667 ++td.ip;
2668 /* FIX: should do something? */;
2669 break;
2670 case CEE_VOLATILE_:
2671 ++td.ip;
2672 /* FIX: should do something? */;
2673 break;
2674 case CEE_TAIL_:
2675 ++td.ip;
2676 /* FIX: should do something? */;
2677 break;
2678 case CEE_INITOBJ:
2679 CHECK_STACK(&td, 1);
2680 token = read32 (td.ip + 1);
2681 klass = mono_class_get_full (image, token, generic_context);
2682 ADD_CODE(&td, MINT_INITOBJ);
2683 i32 = mono_class_value_size (klass, NULL);
2684 WRITE32(&td, &i32);
2685 td.ip += 5;
2686 --td.sp;
2687 break;
2688 case CEE_CPBLK:
2689 CHECK_STACK(&td, 3);
2690 /* FIX? convert length to I8? */
2691 ADD_CODE(&td, MINT_CPBLK);
2692 td.sp -= 3;
2693 ++td.ip;
2694 break;
2695 #if 0
2696 case CEE_CONSTRAINED_: {
2697 guint32 token;
2698 /* FIXME: implement */
2699 ++ip;
2700 token = read32 (ip);
2701 ip += 4;
2702 break;
2703 }
2704 #endif
2705 case CEE_INITBLK:
2706 CHECK_STACK(&td, 3);
2707 ADD_CODE(&td, MINT_INITBLK);
2708 td.sp -= 3;
2709 break;
2710 #if 0
2711 case CEE_NO_:
2712 /* FIXME: implement */
2713 ip += 2;
2714 break;
2715 #endif
2716 case CEE_RETHROW:
2717 SIMPLE_OP (td, MINT_RETHROW);
2718 generating_code = 0;
2719 break;
2720 case CEE_SIZEOF: {
2721 guint32 align;
2722 gint32 size;
2723 token = read32 (td.ip + 1);
2724 td.ip += 5;
2725 if (mono_metadata_token_table (token) == MONO_TABLE_TYPESPEC) {
2726 MonoType *type = mono_type_create_from_typespec (image, token);
2727 size = mono_type_size (type, &align);
2728 } else {
2729 MonoClass *szclass = mono_class_get_full (image, token, generic_context);
2730 mono_class_init (szclass);
2731 #if 0
2732 if (!szclass->valuetype)
2733 THROW_EX (mono_exception_from_name (mono_defaults.corlib, "System", "InvalidProgramException"), ip - 5);
2734 #endif
2735 size = mono_class_value_size (szclass, &align);
2736 }
2737 ADD_CODE(&td, MINT_LDC_I4);
2738 WRITE32(&td, &size);
2739 PUSH_SIMPLE_TYPE(&td, STACK_TYPE_I4);
2740 break;
2741 }
2742 #if 0
2743 case CEE_REFANYTYPE: ves_abort(); break;
2744 #endif
2745 default:
2746 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);
2747 }
2748 break;
2749 default:
2750 g_error ("transform.c: Unimplemented opcode: %02x at 0x%x\n", *td.ip, td.ip-header->code);
2751 }
2752
2753 if (td.new_ip - td.new_code != new_in_start_offset)
2754 td.last_new_ip = td.new_code + new_in_start_offset;
2755 else if (td.is_bb_start [td.in_start - td.il_code])
2756 td.is_bb_start [td.ip - td.il_code] = 1;
2757
2758 td.last_ip = td.in_start;
2759 }
2760
2761 if (mono_interp_traceopt) {
2762 const guint16 *p = td.new_code;
2763 printf("Runtime method: %p, VT stack size: %d\n", rtm, td.max_vt_sp);
2764 printf("Calculated stack size: %d, stated size: %d\n", td.max_stack_height, header->max_stack);
2765 while (p < td.new_ip) {
2766 p = mono_interp_dis_mintop(td.new_code, p);
2767 printf("\n");
2768 }
2769 }
2770
2771 rtm->clauses = mono_mempool_alloc (domain->mp, header->num_clauses * sizeof(MonoExceptionClause));
2772 memcpy (rtm->clauses, header->clauses, header->num_clauses * sizeof(MonoExceptionClause));
2773 rtm->code = mono_mempool_alloc (domain->mp, (td.new_ip - td.new_code) * sizeof(gushort));
2774 memcpy (rtm->code, td.new_code, (td.new_ip - td.new_code) * sizeof(gushort));
2775 g_free (td.new_code);
2776 rtm->new_body_start = rtm->code + body_start_offset;
2777 rtm->num_clauses = header->num_clauses;
2778 for (i = 0; i < header->num_clauses; i++) {
2779 MonoExceptionClause *c = rtm->clauses + i;
2780 int end_off = c->try_offset + c->try_len;
2781 c->try_offset = td.in_offsets [c->try_offset];
2782 c->try_len = td.in_offsets [end_off] - c->try_offset;
2783 end_off = c->handler_offset + c->handler_len;
2784 c->handler_offset = td.in_offsets [c->handler_offset];
2785 c->handler_len = td.in_offsets [end_off] - c->handler_offset;
2786 }
2787 rtm->vt_stack_size = td.max_vt_sp;
2788 rtm->alloca_size = rtm->locals_size + rtm->args_size + rtm->vt_stack_size + rtm->stack_size;
2789 rtm->data_items = mono_mempool_alloc (domain->mp, td.n_data_items * sizeof (td.data_items [0]));
2790 memcpy (rtm->data_items, td.data_items, td.n_data_items * sizeof (td.data_items [0]));
2791 g_free (td.in_offsets);
2792 g_free (td.forward_refs);
2793 for (i = 0; i < header->code_size; ++i)
2794 g_free (td.stack_state [i]);
2795 g_free (td.stack_state);
2796 g_free (td.stack_height);
2797 g_free (td.vt_stack_size);
2798 g_free (td.data_items);
2799 g_hash_table_destroy (td.data_hash);
2800 }
2801
2802 static mono_mutex_t calc_section;
2803
2804 void
2805 mono_interp_transform_init (void)
2806 {
2807 mono_os_mutex_init_recursive(&calc_section);
2808 }
2809
2810 MonoException *
2811 mono_interp_transform_method (RuntimeMethod *runtime_method, ThreadContext *context)
2812 {
2813 int i, align, size, offset;
2814 MonoMethod *method = runtime_method->method;
2815 MonoImage *image = method->klass->image;
2816 MonoMethodHeader *header = mono_method_get_header (method);
2817 MonoMethodSignature *signature = mono_method_signature (method);
2818 register const unsigned char *ip, *end;
2819 const MonoOpcode *opcode;
2820 MonoMethod *m;
2821 MonoClass *class;
2822 MonoDomain *domain = mono_domain_get ();
2823 unsigned char *is_bb_start;
2824 int in;
2825 MonoVTable *method_class_vt;
2826 int backwards;
2827 MonoGenericContext *generic_context = NULL;
2828
2829 // g_printerr ("TRANSFORM(0x%016lx): begin %s::%s\n", mono_thread_current (), method->klass->name, method->name);
2830 method_class_vt = mono_class_vtable (domain, runtime_method->method->klass);
2831 if (!method_class_vt->initialized) {
2832 jmp_buf env;
2833 MonoInvocation *last_env_frame = context->env_frame;
2834 jmp_buf *old_env = context->current_env;
2835
2836 if (setjmp(env)) {
2837 MonoException *failed = context->env_frame->ex;
2838 context->env_frame->ex = NULL;
2839 context->env_frame = last_env_frame;
2840 context->current_env = old_env;
2841 return failed;
2842 }
2843 context->env_frame = context->current_frame;
2844 context->current_env = &env;
2845 mono_runtime_class_init (method_class_vt);
2846 context->env_frame = last_env_frame;
2847 context->current_env = old_env;
2848 }
2849
2850 mono_profiler_method_jit (method); /* sort of... */
2851
2852 if (mono_method_signature (method)->is_inflated)
2853 generic_context = &((MonoMethodInflated *) method)->context;
2854
2855 if (method->iflags & (METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL | METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
2856 MonoMethod *nm = NULL;
2857 mono_os_mutex_lock(&calc_section);
2858 if (runtime_method->transformed) {
2859 mono_os_mutex_unlock(&calc_section);
2860 g_error ("FIXME: no jit info?");
2861 mono_profiler_method_end_jit (method, NULL, MONO_PROFILE_OK);
2862 return NULL;
2863 }
2864
2865 /* assumes all internal calls with an array this are built in... */
2866 if (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL && (! mono_method_signature (method)->hasthis || method->klass->rank == 0)) {
2867 runtime_method->code = g_malloc (sizeof (short));
2868 runtime_method->code[0] = MINT_CALLINT;
2869 g_assert (((MonoMethodPInvoke *) method)->addr == NULL);
2870 if (((MonoMethodPInvoke*) method)->addr == NULL)
2871 ((MonoMethodPInvoke*) method)->addr = mono_lookup_internal_call (method);
2872 #if 0
2873 g_error ("FIXME: arch_trampoline, not available?");
2874 runtime_method->func = mono_arch_create_trampoline (mono_method_signature (method), method->string_ctor);
2875 #endif
2876 } else {
2877 const char *name = method->name;
2878 if (method->klass->parent == mono_defaults.multicastdelegate_class) {
2879 if (*name == 'I' && (strcmp (name, "Invoke") == 0)) {
2880 g_error ("FIXME: no del?");
2881 nm = mono_marshal_get_delegate_invoke (method, NULL);
2882 } else if (*name == 'B' && (strcmp (name, "BeginInvoke") == 0)) {
2883 nm = mono_marshal_get_delegate_begin_invoke (method);
2884 } else if (*name == 'E' && (strcmp (name, "EndInvoke") == 0)) {
2885 nm = mono_marshal_get_delegate_end_invoke (method);
2886 }
2887 }
2888 if (nm == NULL) {
2889 runtime_method->code = g_malloc(sizeof(short));
2890 runtime_method->code[0] = MINT_CALLRUN;
2891 }
2892 }
2893 if (nm == NULL) {
2894 runtime_method->stack_size = sizeof (stackval); /* for tracing */
2895 runtime_method->alloca_size = runtime_method->stack_size;
2896 runtime_method->transformed = TRUE;
2897 mono_os_mutex_unlock(&calc_section);
2898 mono_profiler_method_end_jit (method, NULL, MONO_PROFILE_OK);
2899 return NULL;
2900 }
2901 method = nm;
2902 header = mono_method_get_header (nm);
2903 mono_os_mutex_unlock(&calc_section);
2904 }
2905 g_assert ((signature->param_count + signature->hasthis) < 1000);
2906 g_assert (header->max_stack < 10000);
2907 /* intern the strings in the method. */
2908 ip = header->code;
2909 end = ip + header->code_size;
2910
2911 is_bb_start = g_malloc0(header->code_size);
2912 is_bb_start [0] = 1;
2913 while (ip < end) {
2914 in = *ip;
2915 if (in == 0xfe) {
2916 ip++;
2917 in = *ip + 256;
2918 }
2919 else if (in == 0xf0) {
2920 ip++;
2921 in = *ip + MONO_CEE_MONO_ICALL;
2922 }
2923 opcode = &mono_opcodes [in];
2924 switch (opcode->argument) {
2925 case MonoInlineNone:
2926 ++ip;
2927 break;
2928 case MonoInlineString:
2929 if (method->wrapper_type == MONO_WRAPPER_NONE)
2930 mono_ldstr (domain, image, mono_metadata_token_index (read32 (ip + 1)));
2931 ip += 5;
2932 break;
2933 case MonoInlineType:
2934 if (method->wrapper_type == MONO_WRAPPER_NONE) {
2935 class = mono_class_get_full (image, read32 (ip + 1), generic_context);
2936 mono_class_init (class);
2937 /* quick fix to not do this for the fake ptr classes - probably should not be getting the vtable at all here */
2938 #if 0
2939 g_error ("FIXME: interface method lookup: %s (in method %s)", class->name, method->name);
2940 if (!(class->flags & TYPE_ATTRIBUTE_INTERFACE) && class->interface_offsets != NULL)
2941 mono_class_vtable (domain, class);
2942 #endif
2943 }
2944 ip += 5;
2945 break;
2946 case MonoInlineMethod:
2947 if (method->wrapper_type == MONO_WRAPPER_NONE && *ip != CEE_CALLI) {
2948 m = mono_get_method_full (image, read32 (ip + 1), NULL, generic_context);
2949 if (m == NULL) {
2950 g_free (is_bb_start);
2951 g_error ("FIXME: where to get method and class string?");
2952 return NULL;
2953 // return mono_get_exception_missing_method ();
2954 }
2955 mono_class_init (m->klass);
2956 if (!(m->klass->flags & TYPE_ATTRIBUTE_INTERFACE))
2957 mono_class_vtable (domain, m->klass);
2958 }
2959 ip += 5;
2960 break;
2961 case MonoInlineField:
2962 case MonoInlineSig:
2963 case MonoInlineI:
2964 case MonoInlineTok:
2965 case MonoShortInlineR:
2966 ip += 5;
2967 break;
2968 case MonoInlineBrTarget:
2969 offset = read32 (ip + 1);
2970 ip += 5;
2971 backwards = offset < 0;
2972 offset += ip - header->code;
2973 g_assert (offset >= 0 && offset < header->code_size);
2974 is_bb_start [offset] |= backwards ? 2 : 1;
2975 break;
2976 case MonoShortInlineBrTarget:
2977 offset = ((gint8 *)ip) [1];
2978 ip += 2;
2979 backwards = offset < 0;
2980 offset += ip - header->code;
2981 g_assert (offset >= 0 && offset < header->code_size);
2982 is_bb_start [offset] |= backwards ? 2 : 1;
2983 break;
2984 case MonoInlineVar:
2985 ip += 3;
2986 break;
2987 case MonoShortInlineVar:
2988 case MonoShortInlineI:
2989 ip += 2;
2990 break;
2991 case MonoInlineSwitch: {
2992 guint32 n;
2993 const unsigned char *next_ip;
2994 ++ip;
2995 n = read32 (ip);
2996 ip += 4;
2997 next_ip = ip + 4 * n;
2998 for (i = 0; i < n; i++) {
2999 offset = read32 (ip);
3000 backwards = offset < 0;
3001 offset += next_ip - header->code;
3002 g_assert (offset >= 0 && offset < header->code_size);
3003 is_bb_start [offset] |= backwards ? 2 : 1;
3004 ip += 4;
3005 }
3006 break;
3007 }
3008 case MonoInlineR:
3009 case MonoInlineI8:
3010 ip += 9;
3011 break;
3012 default:
3013 g_assert_not_reached ();
3014 }
3015 }
3016 // g_printerr ("TRANSFORM(0x%016lx): end %s::%s\n", mono_thread_current (), method->klass->name, method->name);
3017
3018 /* the rest needs to be locked so it is only done once */
3019 mono_os_mutex_lock(&calc_section);
3020 if (runtime_method->transformed) {
3021 mono_os_mutex_unlock(&calc_section);
3022 g_free (is_bb_start);
3023 mono_profiler_method_end_jit (method, NULL, MONO_PROFILE_OK);
3024 return NULL;
3025 }
3026
3027 runtime_method->local_offsets = g_malloc (header->num_locals * sizeof(guint32));
3028 runtime_method->stack_size = (sizeof (stackval) + 2) * header->max_stack; /* + 1 for returns of called functions + 1 for 0-ing in trace*/
3029 runtime_method->stack_size = (runtime_method->stack_size + 7) & ~7;
3030 offset = 0;
3031 for (i = 0; i < header->num_locals; ++i) {
3032 size = mono_type_size (header->locals [i], &align);
3033 offset += align - 1;
3034 offset &= ~(align - 1);
3035 runtime_method->local_offsets [i] = offset;
3036 offset += size;
3037 }
3038 offset = (offset + 7) & ~7;
3039 runtime_method->locals_size = offset;
3040 g_assert (runtime_method->locals_size < 65536);
3041 offset = 0;
3042 runtime_method->arg_offsets = g_malloc(signature->param_count * sizeof(guint32));
3043 for (i = 0; i < signature->param_count; ++i) {
3044 if (signature->pinvoke) {
3045 size = mono_type_native_stack_size (signature->params [i], &align);
3046 align = 8;
3047 }
3048 else
3049 size = mono_type_stack_size (signature->params [i], &align);
3050 offset += align - 1;
3051 offset &= ~(align - 1);
3052 runtime_method->arg_offsets [i] = offset;
3053 offset += size;
3054 }
3055 offset = (offset + 7) & ~7;
3056 runtime_method->args_size = offset;
3057 g_assert (runtime_method->args_size < 10000);
3058
3059 generate(method, runtime_method, is_bb_start);
3060
3061 g_free (is_bb_start);
3062
3063 mono_profiler_method_end_jit (method, NULL, MONO_PROFILE_OK);
3064 runtime_method->transformed = TRUE;
3065 mono_os_mutex_unlock(&calc_section);
3066
3067 return NULL;
3068 }
3069
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