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2009-12-30 Rodrigo Kumpera <rkumpera@novell.com>
[mono.git] / mono / mini / mini.c
blob42326f278588f9eca0037b3c2ae94f3b3ae90558
1 /*
2 * mini.c: The new Mono code generator.
3 *
4 * Author:
5 * Paolo Molaro (lupus@ximian.com)
6 * Dietmar Maurer (dietmar@ximian.com)
7 *
8 * (C) 2002 Ximian, Inc.
9 */
10
11 #include <config.h>
12 #include <signal.h>
13 #ifdef HAVE_ALLOCA_H
14 #include <alloca.h>
15 #endif
16 #ifdef HAVE_UNISTD_H
17 #include <unistd.h>
18 #endif
19 #include <math.h>
20 #ifdef HAVE_SYS_TIME_H
21 #include <sys/time.h>
22 #endif
23
24 #include <mono/utils/memcheck.h>
25
26 #include <mono/metadata/assembly.h>
27 #include <mono/metadata/loader.h>
28 #include <mono/metadata/tabledefs.h>
29 #include <mono/metadata/class.h>
30 #include <mono/metadata/object.h>
31 #include <mono/metadata/tokentype.h>
32 #include <mono/metadata/tabledefs.h>
33 #include <mono/metadata/threads.h>
34 #include <mono/metadata/appdomain.h>
35 #include <mono/metadata/debug-helpers.h>
36 #include <mono/io-layer/io-layer.h>
37 #include "mono/metadata/profiler.h"
38 #include <mono/metadata/profiler-private.h>
39 #include <mono/metadata/mono-config.h>
40 #include <mono/metadata/environment.h>
41 #include <mono/metadata/mono-debug.h>
42 #include <mono/metadata/gc-internal.h>
43 #include <mono/metadata/threads-types.h>
44 #include <mono/metadata/verify.h>
45 #include <mono/metadata/verify-internals.h>
46 #include <mono/metadata/mempool-internals.h>
47 #include <mono/metadata/attach.h>
48 #include <mono/utils/mono-math.h>
49 #include <mono/utils/mono-compiler.h>
50 #include <mono/utils/mono-counters.h>
51 #include <mono/utils/mono-logger.h>
52 #include <mono/utils/mono-mmap.h>
53 #include <mono/utils/dtrace.h>
54
55 #include "mini.h"
56 #include "tasklets.h"
57 #include <string.h>
58 #include <ctype.h>
59 #include "trace.h"
60 #include "version.h"
61
62 #include "jit-icalls.h"
63
64 #include "debug-mini.h"
65 #include "mini-gc.h"
66 #include "debugger-agent.h"
67
68 static gpointer mono_jit_compile_method_with_opt (MonoMethod *method, guint32 opt, MonoException **ex);
69
70 /* helper methods signature */
71 /* FIXME: Make these static again */
72 MonoMethodSignature *helper_sig_class_init_trampoline = NULL;
73 MonoMethodSignature *helper_sig_domain_get = NULL;
74 MonoMethodSignature *helper_sig_generic_class_init_trampoline = NULL;
75 MonoMethodSignature *helper_sig_rgctx_lazy_fetch_trampoline = NULL;
76 MonoMethodSignature *helper_sig_monitor_enter_exit_trampoline = NULL;
77 MonoMethodSignature *helper_sig_monitor_enter_exit_trampoline_llvm = NULL;
78
79 static guint32 default_opt = 0;
80 static gboolean default_opt_set = FALSE;
81
82 guint32 mono_jit_tls_id = -1;
83
84 #ifdef HAVE_KW_THREAD
85 static __thread gpointer mono_jit_tls MONO_TLS_FAST;
86 #endif
87
88 MonoTraceSpec *mono_jit_trace_calls = NULL;
89 gboolean mono_break_on_exc = FALSE;
90 gboolean mono_compile_aot = FALSE;
91 /* If this is set, no code is generated dynamically, everything is taken from AOT files */
92 gboolean mono_aot_only = FALSE;
93 /* Whenever to use IMT */
94 #ifdef MONO_ARCH_HAVE_IMT
95 gboolean mono_use_imt = TRUE;
96 #else
97 gboolean mono_use_imt = FALSE;
98 #endif
99 MonoMethodDesc *mono_inject_async_exc_method = NULL;
100 int mono_inject_async_exc_pos;
101 MonoMethodDesc *mono_break_at_bb_method = NULL;
102 int mono_break_at_bb_bb_num;
103 gboolean mono_do_x86_stack_align = TRUE;
104 const char *mono_build_date;
105 gboolean mono_do_signal_chaining;
106 static gboolean mono_using_xdebug;
107 static int mini_verbose = 0;
108
109 /* Statistics */
110 #ifdef ENABLE_LLVM
111 static int methods_with_llvm, methods_without_llvm;
112 #endif
113
114 /*
115 * This flag controls whenever the runtime uses LLVM compiled code.
116 * Enabling this causes different/slower code paths to be used, which is why it
117 * defaults to FALSE if ENABLE_LLVM is not defined, i.e. the runtime is only capable of
118 * running AOT code compiled by LLVM.
119 * Changes when this flag is set include:
120 * - a per method vtable trampoline is used to handle virtual calls, instead of only
121 * one trampoline.
122 * - fast generic virtual calls are not supported.
123 */
124 #ifdef ENABLE_LLVM
125 gboolean mono_use_llvm = TRUE;
126 #else
127 gboolean mono_use_llvm = FALSE;
128 #endif
129
130 #define mono_jit_lock() EnterCriticalSection (&jit_mutex)
131 #define mono_jit_unlock() LeaveCriticalSection (&jit_mutex)
132 static CRITICAL_SECTION jit_mutex;
133
134 static MonoCodeManager *global_codeman = NULL;
135
136 /* FIXME: Make this static again */
137 GHashTable *jit_icall_name_hash = NULL;
138
139 static MonoDebugOptions debug_options;
140
141 #ifdef VALGRIND_JIT_REGISTER_MAP
142 static int valgrind_register = 0;
143 #endif
144
145 /*
146 * Table written to by the debugger with a 1-based index into the
147 * mono_breakpoint_info table, which contains changes made to
148 * the JIT instructions by the debugger.
149 */
150 gssize
151 mono_breakpoint_info_index [MONO_BREAKPOINT_ARRAY_SIZE];
152
153 /* Whenever to check for pending exceptions in managed-to-native wrappers */
154 gboolean check_for_pending_exc = TRUE;
155
156 /* Whenever to disable passing/returning small valuetypes in registers for managed methods */
157 gboolean disable_vtypes_in_regs = FALSE;
158
159 gboolean mono_dont_free_global_codeman;
160
161 gboolean
162 mono_running_on_valgrind (void)
163 {
164 if (RUNNING_ON_VALGRIND){
165 #ifdef VALGRIND_JIT_REGISTER_MAP
166 valgrind_register = TRUE;
167 #endif
168 return TRUE;
169 } else
170 return FALSE;
171 }
172
173 typedef struct {
174 void *ip;
175 MonoMethod *method;
176 } FindTrampUserData;
177
178 static void
179 find_tramp (gpointer key, gpointer value, gpointer user_data)
180 {
181 FindTrampUserData *ud = (FindTrampUserData*)user_data;
182
183 if (value == ud->ip)
184 ud->method = (MonoMethod*)key;
185 }
186
187 /* debug function */
188 G_GNUC_UNUSED static char*
189 get_method_from_ip (void *ip)
190 {
191 MonoJitInfo *ji;
192 char *method;
193 char *res;
194 MonoDomain *domain = mono_domain_get ();
195 MonoDebugSourceLocation *location;
196 FindTrampUserData user_data;
197
198 ji = mono_jit_info_table_find (domain, ip);
199 if (!ji) {
200 user_data.ip = ip;
201 user_data.method = NULL;
202 mono_domain_lock (domain);
203 g_hash_table_foreach (domain_jit_info (domain)->jit_trampoline_hash, find_tramp, &user_data);
204 mono_domain_unlock (domain);
205 if (user_data.method) {
206 char *mname = mono_method_full_name (user_data.method, TRUE);
207 res = g_strdup_printf ("<%p - JIT trampoline for %s>", ip, mname);
208 g_free (mname);
209 return res;
210 }
211 else
212 return NULL;
213 }
214 method = mono_method_full_name (ji->method, TRUE);
215 /* FIXME: unused ? */
216 location = mono_debug_lookup_source_location (ji->method, (guint32)((guint8*)ip - (guint8*)ji->code_start), domain);
217
218 res = g_strdup_printf (" %s + 0x%x (%p %p) [%p - %s]", method, (int)((char*)ip - (char*)ji->code_start), ji->code_start, (char*)ji->code_start + ji->code_size, domain, domain->friendly_name);
219
220 mono_debug_free_source_location (location);
221 g_free (method);
222
223 return res;
224 }
225
226 /**
227 * mono_pmip:
228 * @ip: an instruction pointer address
229 *
230 * This method is used from a debugger to get the name of the
231 * method at address @ip. This routine is typically invoked from
232 * a debugger like this:
233 *
234 * (gdb) print mono_pmip ($pc)
235 *
236 * Returns: the name of the method at address @ip.
237 */
238 G_GNUC_UNUSED char *
239 mono_pmip (void *ip)
240 {
241 return get_method_from_ip (ip);
242 }
243
244 /**
245 * mono_print_method_from_ip
246 * @ip: an instruction pointer address
247 *
248 * This method is used from a debugger to get the name of the
249 * method at address @ip.
250 *
251 * This prints the name of the method at address @ip in the standard
252 * output. Unlike mono_pmip which returns a string, this routine
253 * prints the value on the standard output.
254 */
255 void
256 mono_print_method_from_ip (void *ip)
257 {
258 MonoJitInfo *ji;
259 char *method;
260 MonoDebugSourceLocation *source;
261 MonoDomain *domain = mono_domain_get ();
262 MonoDomain *target_domain = mono_domain_get ();
263 FindTrampUserData user_data;
264
265 ji = mini_jit_info_table_find (domain, ip, &target_domain);
266 if (!ji) {
267 user_data.ip = ip;
268 user_data.method = NULL;
269 mono_domain_lock (domain);
270 g_hash_table_foreach (domain_jit_info (domain)->jit_trampoline_hash, find_tramp, &user_data);
271 mono_domain_unlock (domain);
272 if (user_data.method) {
273 char *mname = mono_method_full_name (user_data.method, TRUE);
274 printf ("IP %p is a JIT trampoline for %s\n", ip, mname);
275 g_free (mname);
276 }
277 else
278 g_print ("No method at %p\n", ip);
279 return;
280 }
281 method = mono_method_full_name (ji->method, TRUE);
282 source = mono_debug_lookup_source_location (ji->method, (guint32)((guint8*)ip - (guint8*)ji->code_start), target_domain);
283
284 g_print ("IP %p at offset 0x%x of method %s (%p %p)[domain %p - %s]\n", ip, (int)((char*)ip - (char*)ji->code_start), method, ji->code_start, (char*)ji->code_start + ji->code_size, target_domain, target_domain->friendly_name);
285
286 if (source)
287 g_print ("%s:%d\n", source->source_file, source->row);
288
289 mono_debug_free_source_location (source);
290 g_free (method);
291 }
292
293 /*
294 * mono_method_same_domain:
295 *
296 * Determine whenever two compiled methods are in the same domain, thus
297 * the address of the callee can be embedded in the caller.
298 */
299 gboolean mono_method_same_domain (MonoJitInfo *caller, MonoJitInfo *callee)
300 {
301 if (!caller || !callee)
302 return FALSE;
303
304 /*
305 * If the call was made from domain-neutral to domain-specific
306 * code, we can't patch the call site.
307 */
308 if (caller->domain_neutral && !callee->domain_neutral)
309 return FALSE;
310
311 if ((caller->method->klass == mono_defaults.appdomain_class) &&
312 (strstr (caller->method->name, "InvokeInDomain"))) {
313 /* The InvokeInDomain methods change the current appdomain */
314 return FALSE;
315 }
316
317 return TRUE;
318 }
319
320 /*
321 * mono_global_codeman_reserve:
322 *
323 * Allocate code memory from the global code manager.
324 */
325 void *mono_global_codeman_reserve (int size)
326 {
327 void *ptr;
328
329 if (mono_aot_only)
330 g_error ("Attempting to allocate from the global code manager while running with --aot-only.\n");
331
332 if (!global_codeman) {
333 /* This can happen during startup */
334 global_codeman = mono_code_manager_new ();
335 return mono_code_manager_reserve (global_codeman, size);
336 }
337 else {
338 mono_jit_lock ();
339 ptr = mono_code_manager_reserve (global_codeman, size);
340 mono_jit_unlock ();
341 return ptr;
342 }
343 }
344
345 /**
346 * mono_create_unwind_op:
347 *
348 * Create an unwind op with the given parameters.
349 */
350 MonoUnwindOp*
351 mono_create_unwind_op (int when, int tag, int reg, int val)
352 {
353 MonoUnwindOp *op = g_new0 (MonoUnwindOp, 1);
354
355 op->op = tag;
356 op->reg = reg;
357 op->val = val;
358 op->when = when;
359
360 return op;
361 }
362
363 /**
364 * mono_emit_unwind_op:
365 *
366 * Add an unwind op with the given parameters for the list of unwind ops stored in
367 * cfg->unwind_ops.
368 */
369 void
370 mono_emit_unwind_op (MonoCompile *cfg, int when, int tag, int reg, int val)
371 {
372 MonoUnwindOp *op = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoUnwindOp));
373
374 op->op = tag;
375 op->reg = reg;
376 op->val = val;
377 op->when = when;
378
379 cfg->unwind_ops = g_slist_append_mempool (cfg->mempool, cfg->unwind_ops, op);
380 }
381
382 MonoJumpInfoToken *
383 mono_jump_info_token_new2 (MonoMemPool *mp, MonoImage *image, guint32 token, MonoGenericContext *context)
384 {
385 MonoJumpInfoToken *res = mono_mempool_alloc0 (mp, sizeof (MonoJumpInfoToken));
386 res->image = image;
387 res->token = token;
388 res->has_context = context != NULL;
389 if (context)
390 memcpy (&res->context, context, sizeof (MonoGenericContext));
391
392 return res;
393 }
394
395 MonoJumpInfoToken *
396 mono_jump_info_token_new (MonoMemPool *mp, MonoImage *image, guint32 token)
397 {
398 return mono_jump_info_token_new2 (mp, image, token, NULL);
399 }
400
401 #define MONO_INIT_VARINFO(vi,id) do { \
402 (vi)->range.first_use.pos.bid = 0xffff; \
403 (vi)->reg = -1; \
404 (vi)->idx = (id); \
405 } while (0)
406
407 /**
408 * mono_unlink_bblock:
409 *
410 * Unlink two basic blocks.
411 */
412 void
413 mono_unlink_bblock (MonoCompile *cfg, MonoBasicBlock *from, MonoBasicBlock* to)
414 {
415 int i, pos;
416 gboolean found;
417
418 found = FALSE;
419 for (i = 0; i < from->out_count; ++i) {
420 if (to == from->out_bb [i]) {
421 found = TRUE;
422 break;
423 }
424 }
425 if (found) {
426 pos = 0;
427 for (i = 0; i < from->out_count; ++i) {
428 if (from->out_bb [i] != to)
429 from->out_bb [pos ++] = from->out_bb [i];
430 }
431 g_assert (pos == from->out_count - 1);
432 from->out_count--;
433 }
434
435 found = FALSE;
436 for (i = 0; i < to->in_count; ++i) {
437 if (from == to->in_bb [i]) {
438 found = TRUE;
439 break;
440 }
441 }
442 if (found) {
443 pos = 0;
444 for (i = 0; i < to->in_count; ++i) {
445 if (to->in_bb [i] != from)
446 to->in_bb [pos ++] = to->in_bb [i];
447 }
448 g_assert (pos == to->in_count - 1);
449 to->in_count--;
450 }
451 }
452
453 /*
454 * mono_bblocks_linked:
455 *
456 * Return whenever BB1 and BB2 are linked in the CFG.
457 */
458 gboolean
459 mono_bblocks_linked (MonoBasicBlock *bb1, MonoBasicBlock *bb2)
460 {
461 int i;
462
463 for (i = 0; i < bb1->out_count; ++i) {
464 if (bb1->out_bb [i] == bb2)
465 return TRUE;
466 }
467
468 return FALSE;
469 }
470
471 static int
472 mono_find_block_region_notry (MonoCompile *cfg, int offset)
473 {
474 MonoMethod *method = cfg->method;
475 MonoMethodHeader *header = mono_method_get_header (method);
476 MonoExceptionClause *clause;
477 int i;
478
479 for (i = 0; i < header->num_clauses; ++i) {
480 clause = &header->clauses [i];
481 if ((clause->flags == MONO_EXCEPTION_CLAUSE_FILTER) && (offset >= clause->data.filter_offset) &&
482 (offset < (clause->handler_offset)))
483 return ((i + 1) << 8) | MONO_REGION_FILTER | clause->flags;
484
485 if (MONO_OFFSET_IN_HANDLER (clause, offset)) {
486 if (clause->flags == MONO_EXCEPTION_CLAUSE_FINALLY)
487 return ((i + 1) << 8) | MONO_REGION_FINALLY | clause->flags;
488 else if (clause->flags == MONO_EXCEPTION_CLAUSE_FAULT)
489 return ((i + 1) << 8) | MONO_REGION_FAULT | clause->flags;
490 else
491 return ((i + 1) << 8) | MONO_REGION_CATCH | clause->flags;
492 }
493 }
494
495 return -1;
496 }
497
498 /*
499 * mono_get_block_region_notry:
500 *
501 * Return the region corresponding to REGION, ignoring try clauses nested inside
502 * finally clauses.
503 */
504 int
505 mono_get_block_region_notry (MonoCompile *cfg, int region)
506 {
507 if ((region & (0xf << 4)) == MONO_REGION_TRY) {
508 MonoMethodHeader *header = mono_method_get_header (cfg->method);
509
510 /*
511 * This can happen if a try clause is nested inside a finally clause.
512 */
513 int clause_index = (region >> 8) - 1;
514 g_assert (clause_index >= 0 && clause_index < header->num_clauses);
515
516 region = mono_find_block_region_notry (cfg, header->clauses [clause_index].try_offset);
517 }
518
519 return region;
520 }
521
522 MonoInst *
523 mono_find_spvar_for_region (MonoCompile *cfg, int region)
524 {
525 region = mono_get_block_region_notry (cfg, region);
526
527 return g_hash_table_lookup (cfg->spvars, GINT_TO_POINTER (region));
528 }
529
530 static void
531 df_visit (MonoBasicBlock *start, int *dfn, MonoBasicBlock **array)
532 {
533 int i;
534
535 array [*dfn] = start;
536 /* g_print ("visit %d at %p (BB%ld)\n", *dfn, start->cil_code, start->block_num); */
537 for (i = 0; i < start->out_count; ++i) {
538 if (start->out_bb [i]->dfn)
539 continue;
540 (*dfn)++;
541 start->out_bb [i]->dfn = *dfn;
542 start->out_bb [i]->df_parent = start;
543 array [*dfn] = start->out_bb [i];
544 df_visit (start->out_bb [i], dfn, array);
545 }
546 }
547
548 guint32
549 mono_reverse_branch_op (guint32 opcode)
550 {
551 static const int reverse_map [] = {
552 CEE_BNE_UN, CEE_BLT, CEE_BLE, CEE_BGT, CEE_BGE,
553 CEE_BEQ, CEE_BLT_UN, CEE_BLE_UN, CEE_BGT_UN, CEE_BGE_UN
554 };
555 static const int reverse_fmap [] = {
556 OP_FBNE_UN, OP_FBLT, OP_FBLE, OP_FBGT, OP_FBGE,
557 OP_FBEQ, OP_FBLT_UN, OP_FBLE_UN, OP_FBGT_UN, OP_FBGE_UN
558 };
559 static const int reverse_lmap [] = {
560 OP_LBNE_UN, OP_LBLT, OP_LBLE, OP_LBGT, OP_LBGE,
561 OP_LBEQ, OP_LBLT_UN, OP_LBLE_UN, OP_LBGT_UN, OP_LBGE_UN
562 };
563 static const int reverse_imap [] = {
564 OP_IBNE_UN, OP_IBLT, OP_IBLE, OP_IBGT, OP_IBGE,
565 OP_IBEQ, OP_IBLT_UN, OP_IBLE_UN, OP_IBGT_UN, OP_IBGE_UN
566 };
567
568 if (opcode >= CEE_BEQ && opcode <= CEE_BLT_UN) {
569 opcode = reverse_map [opcode - CEE_BEQ];
570 } else if (opcode >= OP_FBEQ && opcode <= OP_FBLT_UN) {
571 opcode = reverse_fmap [opcode - OP_FBEQ];
572 } else if (opcode >= OP_LBEQ && opcode <= OP_LBLT_UN) {
573 opcode = reverse_lmap [opcode - OP_LBEQ];
574 } else if (opcode >= OP_IBEQ && opcode <= OP_IBLT_UN) {
575 opcode = reverse_imap [opcode - OP_IBEQ];
576 } else
577 g_assert_not_reached ();
578
579 return opcode;
580 }
581
582 guint
583 mono_type_to_store_membase (MonoCompile *cfg, MonoType *type)
584 {
585 if (type->byref)
586 return OP_STORE_MEMBASE_REG;
587
588 handle_enum:
589 switch (type->type) {
590 case MONO_TYPE_I1:
591 case MONO_TYPE_U1:
592 case MONO_TYPE_BOOLEAN:
593 return OP_STOREI1_MEMBASE_REG;
594 case MONO_TYPE_I2:
595 case MONO_TYPE_U2:
596 case MONO_TYPE_CHAR:
597 return OP_STOREI2_MEMBASE_REG;
598 case MONO_TYPE_I4:
599 case MONO_TYPE_U4:
600 return OP_STOREI4_MEMBASE_REG;
601 case MONO_TYPE_I:
602 case MONO_TYPE_U:
603 case MONO_TYPE_PTR:
604 case MONO_TYPE_FNPTR:
605 return OP_STORE_MEMBASE_REG;
606 case MONO_TYPE_CLASS:
607 case MONO_TYPE_STRING:
608 case MONO_TYPE_OBJECT:
609 case MONO_TYPE_SZARRAY:
610 case MONO_TYPE_ARRAY:
611 return OP_STORE_MEMBASE_REG;
612 case MONO_TYPE_I8:
613 case MONO_TYPE_U8:
614 return OP_STOREI8_MEMBASE_REG;
615 case MONO_TYPE_R4:
616 return OP_STORER4_MEMBASE_REG;
617 case MONO_TYPE_R8:
618 return OP_STORER8_MEMBASE_REG;
619 case MONO_TYPE_VALUETYPE:
620 if (type->data.klass->enumtype) {
621 type = mono_class_enum_basetype (type->data.klass);
622 goto handle_enum;
623 }
624 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (type)))
625 return OP_STOREX_MEMBASE;
626 return OP_STOREV_MEMBASE;
627 case MONO_TYPE_TYPEDBYREF:
628 return OP_STOREV_MEMBASE;
629 case MONO_TYPE_GENERICINST:
630 type = &type->data.generic_class->container_class->byval_arg;
631 goto handle_enum;
632 case MONO_TYPE_VAR:
633 case MONO_TYPE_MVAR:
634 /* FIXME: all the arguments must be references for now,
635 * later look inside cfg and see if the arg num is
636 * really a reference
637 */
638 g_assert (cfg->generic_sharing_context);
639 return OP_STORE_MEMBASE_REG;
640 default:
641 g_error ("unknown type 0x%02x in type_to_store_membase", type->type);
642 }
643 return -1;
644 }
645
646 guint
647 mono_type_to_load_membase (MonoCompile *cfg, MonoType *type)
648 {
649 if (type->byref)
650 return OP_LOAD_MEMBASE;
651
652 type = mono_type_get_underlying_type (type);
653
654 switch (type->type) {
655 case MONO_TYPE_I1:
656 return OP_LOADI1_MEMBASE;
657 case MONO_TYPE_U1:
658 case MONO_TYPE_BOOLEAN:
659 return OP_LOADU1_MEMBASE;
660 case MONO_TYPE_I2:
661 return OP_LOADI2_MEMBASE;
662 case MONO_TYPE_U2:
663 case MONO_TYPE_CHAR:
664 return OP_LOADU2_MEMBASE;
665 case MONO_TYPE_I4:
666 return OP_LOADI4_MEMBASE;
667 case MONO_TYPE_U4:
668 return OP_LOADU4_MEMBASE;
669 case MONO_TYPE_I:
670 case MONO_TYPE_U:
671 case MONO_TYPE_PTR:
672 case MONO_TYPE_FNPTR:
673 return OP_LOAD_MEMBASE;
674 case MONO_TYPE_CLASS:
675 case MONO_TYPE_STRING:
676 case MONO_TYPE_OBJECT:
677 case MONO_TYPE_SZARRAY:
678 case MONO_TYPE_ARRAY:
679 return OP_LOAD_MEMBASE;
680 case MONO_TYPE_I8:
681 case MONO_TYPE_U8:
682 return OP_LOADI8_MEMBASE;
683 case MONO_TYPE_R4:
684 return OP_LOADR4_MEMBASE;
685 case MONO_TYPE_R8:
686 return OP_LOADR8_MEMBASE;
687 case MONO_TYPE_VALUETYPE:
688 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (type)))
689 return OP_LOADX_MEMBASE;
690 case MONO_TYPE_TYPEDBYREF:
691 return OP_LOADV_MEMBASE;
692 case MONO_TYPE_GENERICINST:
693 if (mono_type_generic_inst_is_valuetype (type))
694 return OP_LOADV_MEMBASE;
695 else
696 return OP_LOAD_MEMBASE;
697 break;
698 case MONO_TYPE_VAR:
699 case MONO_TYPE_MVAR:
700 /* FIXME: all the arguments must be references for now,
701 * later look inside cfg and see if the arg num is
702 * really a reference
703 */
704 g_assert (cfg->generic_sharing_context);
705 return OP_LOAD_MEMBASE;
706 default:
707 g_error ("unknown type 0x%02x in type_to_load_membase", type->type);
708 }
709 return -1;
710 }
711
712 static guint
713 mini_type_to_ldind (MonoCompile* cfg, MonoType *type)
714 {
715 if (cfg->generic_sharing_context && !type->byref) {
716 /* FIXME: all the arguments must be references for now,
717 * later look inside cfg and see if the arg num is
718 * really a reference
719 */
720 if (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR)
721 return CEE_LDIND_REF;
722 }
723 return mono_type_to_ldind (type);
724 }
725
726 guint
727 mini_type_to_stind (MonoCompile* cfg, MonoType *type)
728 {
729 if (cfg->generic_sharing_context && !type->byref) {
730 /* FIXME: all the arguments must be references for now,
731 * later look inside cfg and see if the arg num is
732 * really a reference
733 */
734 if (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR)
735 return CEE_STIND_REF;
736 }
737 return mono_type_to_stind (type);
738 }
739
740 int
741 mono_op_imm_to_op (int opcode)
742 {
743 switch (opcode) {
744 case OP_ADD_IMM:
745 #if SIZEOF_REGISTER == 4
746 return OP_IADD;
747 #else
748 return OP_LADD;
749 #endif
750 case OP_IADD_IMM:
751 return OP_IADD;
752 case OP_LADD_IMM:
753 return OP_LADD;
754 case OP_ISUB_IMM:
755 return OP_ISUB;
756 case OP_LSUB_IMM:
757 return OP_LSUB;
758 case OP_IMUL_IMM:
759 return OP_IMUL;
760 case OP_AND_IMM:
761 #if SIZEOF_REGISTER == 4
762 return OP_IAND;
763 #else
764 return OP_LAND;
765 #endif
766 case OP_OR_IMM:
767 #if SIZEOF_REGISTER == 4
768 return OP_IOR;
769 #else
770 return OP_LOR;
771 #endif
772 case OP_XOR_IMM:
773 #if SIZEOF_REGISTER == 4
774 return OP_IXOR;
775 #else
776 return OP_LXOR;
777 #endif
778 case OP_IAND_IMM:
779 return OP_IAND;
780 case OP_LAND_IMM:
781 return OP_LAND;
782 case OP_IOR_IMM:
783 return OP_IOR;
784 case OP_LOR_IMM:
785 return OP_LOR;
786 case OP_IXOR_IMM:
787 return OP_IXOR;
788 case OP_LXOR_IMM:
789 return OP_LXOR;
790 case OP_ISHL_IMM:
791 return OP_ISHL;
792 case OP_LSHL_IMM:
793 return OP_LSHL;
794 case OP_ISHR_IMM:
795 return OP_ISHR;
796 case OP_LSHR_IMM:
797 return OP_LSHR;
798 case OP_ISHR_UN_IMM:
799 return OP_ISHR_UN;
800 case OP_LSHR_UN_IMM:
801 return OP_LSHR_UN;
802 case OP_IDIV_IMM:
803 return OP_IDIV;
804 case OP_IDIV_UN_IMM:
805 return OP_IDIV_UN;
806 case OP_IREM_UN_IMM:
807 return OP_IREM_UN;
808 case OP_IREM_IMM:
809 return OP_IREM;
810 case OP_DIV_IMM:
811 #if SIZEOF_REGISTER == 4
812 return OP_IDIV;
813 #else
814 return OP_LDIV;
815 #endif
816 case OP_REM_IMM:
817 #if SIZEOF_REGISTER == 4
818 return OP_IREM;
819 #else
820 return OP_LREM;
821 #endif
822 case OP_ADDCC_IMM:
823 return OP_ADDCC;
824 case OP_ADC_IMM:
825 return OP_ADC;
826 case OP_SUBCC_IMM:
827 return OP_SUBCC;
828 case OP_SBB_IMM:
829 return OP_SBB;
830 case OP_IADC_IMM:
831 return OP_IADC;
832 case OP_ISBB_IMM:
833 return OP_ISBB;
834 case OP_COMPARE_IMM:
835 return OP_COMPARE;
836 case OP_ICOMPARE_IMM:
837 return OP_ICOMPARE;
838 case OP_LOCALLOC_IMM:
839 return OP_LOCALLOC;
840 default:
841 printf ("%s\n", mono_inst_name (opcode));
842 g_assert_not_reached ();
843 return -1;
844 }
845 }
846
847 /*
848 * mono_decompose_op_imm:
849 *
850 * Replace the OP_.._IMM INS with its non IMM variant.
851 */
852 void
853 mono_decompose_op_imm (MonoCompile *cfg, MonoBasicBlock *bb, MonoInst *ins)
854 {
855 MonoInst *temp;
856
857 MONO_INST_NEW (cfg, temp, OP_ICONST);
858 temp->inst_c0 = ins->inst_imm;
859 temp->dreg = mono_alloc_ireg (cfg);
860 mono_bblock_insert_before_ins (bb, ins, temp);
861 ins->opcode = mono_op_imm_to_op (ins->opcode);
862 if (ins->opcode == OP_LOCALLOC)
863 ins->sreg1 = temp->dreg;
864 else
865 ins->sreg2 = temp->dreg;
866
867 bb->max_vreg = MAX (bb->max_vreg, cfg->next_vreg);
868 }
869
870 static void
871 set_vreg_to_inst (MonoCompile *cfg, int vreg, MonoInst *inst)
872 {
873 if (vreg >= cfg->vreg_to_inst_len) {
874 MonoInst **tmp = cfg->vreg_to_inst;
875 int size = cfg->vreg_to_inst_len;
876
877 while (vreg >= cfg->vreg_to_inst_len)
878 cfg->vreg_to_inst_len = cfg->vreg_to_inst_len ? cfg->vreg_to_inst_len * 2 : 32;
879 cfg->vreg_to_inst = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoInst*) * cfg->vreg_to_inst_len);
880 if (size)
881 memcpy (cfg->vreg_to_inst, tmp, size * sizeof (MonoInst*));
882 }
883 cfg->vreg_to_inst [vreg] = inst;
884 }
885
886 #define mono_type_is_long(type) (!(type)->byref && ((mono_type_get_underlying_type (type)->type == MONO_TYPE_I8) || (mono_type_get_underlying_type (type)->type == MONO_TYPE_U8)))
887 #define mono_type_is_float(type) (!(type)->byref && (((type)->type == MONO_TYPE_R8) || ((type)->type == MONO_TYPE_R4)))
888
889 #ifdef DISABLE_JIT
890
891 MonoInst*
892 mono_compile_create_var (MonoCompile *cfg, MonoType *type, int opcode)
893 {
894 return NULL;
895 }
896
897 #else
898
899 MonoInst*
900 mono_compile_create_var_for_vreg (MonoCompile *cfg, MonoType *type, int opcode, int vreg)
901 {
902 MonoInst *inst;
903 int num = cfg->num_varinfo;
904 gboolean regpair;
905
906 if ((num + 1) >= cfg->varinfo_count) {
907 int orig_count = cfg->varinfo_count;
908 cfg->varinfo_count = cfg->varinfo_count ? (cfg->varinfo_count * 2) : 64;
909 cfg->varinfo = (MonoInst **)g_realloc (cfg->varinfo, sizeof (MonoInst*) * cfg->varinfo_count);
910 cfg->vars = (MonoMethodVar *)g_realloc (cfg->vars, sizeof (MonoMethodVar) * cfg->varinfo_count);
911 memset (&cfg->vars [orig_count], 0, (cfg->varinfo_count - orig_count) * sizeof (MonoMethodVar));
912 }
913
914 mono_jit_stats.allocate_var++;
915
916 MONO_INST_NEW (cfg, inst, opcode);
917 inst->inst_c0 = num;
918 inst->inst_vtype = type;
919 inst->klass = mono_class_from_mono_type (type);
920 type_to_eval_stack_type (cfg, type, inst);
921 /* if set to 1 the variable is native */
922 inst->backend.is_pinvoke = 0;
923 inst->dreg = vreg;
924
925 cfg->varinfo [num] = inst;
926
927 MONO_INIT_VARINFO (&cfg->vars [num], num);
928 MONO_VARINFO (cfg, num)->vreg = vreg;
929
930 if (vreg != -1)
931 set_vreg_to_inst (cfg, vreg, inst);
932
933 #if SIZEOF_REGISTER == 4
934 #ifdef MONO_ARCH_SOFT_FLOAT
935 regpair = mono_type_is_long (type) || mono_type_is_float (type);
936 #else
937 regpair = mono_type_is_long (type);
938 #endif
939 #else
940 regpair = FALSE;
941 #endif
942
943 if (regpair) {
944 MonoInst *tree;
945
946 /*
947 * These two cannot be allocated using create_var_for_vreg since that would
948 * put it into the cfg->varinfo array, confusing many parts of the JIT.
949 */
950
951 /*
952 * Set flags to VOLATILE so SSA skips it.
953 */
954
955 if (cfg->verbose_level >= 4) {
956 printf (" Create LVAR R%d (R%d, R%d)\n", inst->dreg, inst->dreg + 1, inst->dreg + 2);
957 }
958
959 #ifdef MONO_ARCH_SOFT_FLOAT
960 if (cfg->opt & MONO_OPT_SSA) {
961 if (mono_type_is_float (type))
962 inst->flags = MONO_INST_VOLATILE;
963 }
964 #endif
965
966 /* Allocate a dummy MonoInst for the first vreg */
967 MONO_INST_NEW (cfg, tree, OP_LOCAL);
968 tree->dreg = inst->dreg + 1;
969 if (cfg->opt & MONO_OPT_SSA)
970 tree->flags = MONO_INST_VOLATILE;
971 tree->inst_c0 = num;
972 tree->type = STACK_I4;
973 tree->inst_vtype = &mono_defaults.int32_class->byval_arg;
974 tree->klass = mono_class_from_mono_type (tree->inst_vtype);
975
976 set_vreg_to_inst (cfg, inst->dreg + 1, tree);
977
978 /* Allocate a dummy MonoInst for the second vreg */
979 MONO_INST_NEW (cfg, tree, OP_LOCAL);
980 tree->dreg = inst->dreg + 2;
981 if (cfg->opt & MONO_OPT_SSA)
982 tree->flags = MONO_INST_VOLATILE;
983 tree->inst_c0 = num;
984 tree->type = STACK_I4;
985 tree->inst_vtype = &mono_defaults.int32_class->byval_arg;
986 tree->klass = mono_class_from_mono_type (tree->inst_vtype);
987
988 set_vreg_to_inst (cfg, inst->dreg + 2, tree);
989 }
990
991 cfg->num_varinfo++;
992 if (cfg->verbose_level > 2)
993 g_print ("created temp %d (R%d) of type %s\n", num, vreg, mono_type_get_name (type));
994 return inst;
995 }
996
997 MonoInst*
998 mono_compile_create_var (MonoCompile *cfg, MonoType *type, int opcode)
999 {
1000 int dreg;
1001
1002 if (mono_type_is_long (type))
1003 dreg = mono_alloc_dreg (cfg, STACK_I8);
1004 #ifdef MONO_ARCH_SOFT_FLOAT
1005 else if (mono_type_is_float (type))
1006 dreg = mono_alloc_dreg (cfg, STACK_R8);
1007 #endif
1008 else
1009 /* All the others are unified */
1010 dreg = mono_alloc_preg (cfg);
1011
1012 return mono_compile_create_var_for_vreg (cfg, type, opcode, dreg);
1013 }
1014
1015 /*
1016 * Transform a MonoInst into a load from the variable of index var_index.
1017 */
1018 void
1019 mono_compile_make_var_load (MonoCompile *cfg, MonoInst *dest, gssize var_index) {
1020 memset (dest, 0, sizeof (MonoInst));
1021 dest->inst_i0 = cfg->varinfo [var_index];
1022 dest->opcode = mini_type_to_ldind (cfg, dest->inst_i0->inst_vtype);
1023 type_to_eval_stack_type (cfg, dest->inst_i0->inst_vtype, dest);
1024 dest->klass = dest->inst_i0->klass;
1025 }
1026
1027 #endif
1028
1029 static MonoType*
1030 type_from_stack_type (MonoInst *ins) {
1031 switch (ins->type) {
1032 case STACK_I4: return &mono_defaults.int32_class->byval_arg;
1033 case STACK_I8: return &mono_defaults.int64_class->byval_arg;
1034 case STACK_PTR: return &mono_defaults.int_class->byval_arg;
1035 case STACK_R8: return &mono_defaults.double_class->byval_arg;
1036 case STACK_MP:
1037 /*
1038 * this if used to be commented without any specific reason, but
1039 * it breaks #80235 when commented
1040 */
1041 if (ins->klass)
1042 return &ins->klass->this_arg;
1043 else
1044 return &mono_defaults.object_class->this_arg;
1045 case STACK_OBJ:
1046 /* ins->klass may not be set for ldnull.
1047 * Also, if we have a boxed valuetype, we want an object lass,
1048 * not the valuetype class
1049 */
1050 if (ins->klass && !ins->klass->valuetype)
1051 return &ins->klass->byval_arg;
1052 return &mono_defaults.object_class->byval_arg;
1053 case STACK_VTYPE: return &ins->klass->byval_arg;
1054 default:
1055 g_error ("stack type %d to montype not handled\n", ins->type);
1056 }
1057 return NULL;
1058 }
1059
1060 MonoType*
1061 mono_type_from_stack_type (MonoInst *ins) {
1062 return type_from_stack_type (ins);
1063 }
1064
1065 /*
1066 * mono_add_ins_to_end:
1067 *
1068 * Same as MONO_ADD_INS, but add INST before any branches at the end of BB.
1069 */
1070 void
1071 mono_add_ins_to_end (MonoBasicBlock *bb, MonoInst *inst)
1072 {
1073 int opcode;
1074
1075 if (!bb->code) {
1076 MONO_ADD_INS (bb, inst);
1077 return;
1078 }
1079
1080 switch (bb->last_ins->opcode) {
1081 case OP_BR:
1082 case OP_BR_REG:
1083 case CEE_BEQ:
1084 case CEE_BGE:
1085 case CEE_BGT:
1086 case CEE_BLE:
1087 case CEE_BLT:
1088 case CEE_BNE_UN:
1089 case CEE_BGE_UN:
1090 case CEE_BGT_UN:
1091 case CEE_BLE_UN:
1092 case CEE_BLT_UN:
1093 case OP_SWITCH:
1094 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1095 break;
1096 default:
1097 if (MONO_IS_COND_BRANCH_OP (bb->last_ins)) {
1098 /* Need to insert the ins before the compare */
1099 if (bb->code == bb->last_ins) {
1100 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1101 return;
1102 }
1103
1104 if (bb->code->next == bb->last_ins) {
1105 /* Only two instructions */
1106 opcode = bb->code->opcode;
1107
1108 if ((opcode == OP_COMPARE) || (opcode == OP_COMPARE_IMM) || (opcode == OP_ICOMPARE) || (opcode == OP_ICOMPARE_IMM) || (opcode == OP_FCOMPARE) || (opcode == OP_LCOMPARE) || (opcode == OP_LCOMPARE_IMM)) {
1109 /* NEW IR */
1110 mono_bblock_insert_before_ins (bb, bb->code, inst);
1111 } else {
1112 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1113 }
1114 } else {
1115 opcode = bb->last_ins->prev->opcode;
1116
1117 if ((opcode == OP_COMPARE) || (opcode == OP_COMPARE_IMM) || (opcode == OP_ICOMPARE) || (opcode == OP_ICOMPARE_IMM) || (opcode == OP_FCOMPARE) || (opcode == OP_LCOMPARE) || (opcode == OP_LCOMPARE_IMM)) {
1118 /* NEW IR */
1119 mono_bblock_insert_before_ins (bb, bb->last_ins->prev, inst);
1120 } else {
1121 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1122 }
1123 }
1124 }
1125 else
1126 MONO_ADD_INS (bb, inst);
1127 break;
1128 }
1129 }
1130
1131 void
1132 mono_create_jump_table (MonoCompile *cfg, MonoInst *label, MonoBasicBlock **bbs, int num_blocks)
1133 {
1134 MonoJumpInfo *ji = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfo));
1135 MonoJumpInfoBBTable *table;
1136
1137 table = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfoBBTable));
1138 table->table = bbs;
1139 table->table_size = num_blocks;
1140
1141 ji->ip.label = label;
1142 ji->type = MONO_PATCH_INFO_SWITCH;
1143 ji->data.table = table;
1144 ji->next = cfg->patch_info;
1145 cfg->patch_info = ji;
1146 }
1147
1148 static MonoMethodSignature *
1149 mono_get_array_new_va_signature (int arity)
1150 {
1151 static GHashTable *sighash = NULL;
1152 MonoMethodSignature *res;
1153 int i;
1154
1155 mono_jit_lock ();
1156 if (!sighash) {
1157 sighash = g_hash_table_new (NULL, NULL);
1158 }
1159 else if ((res = g_hash_table_lookup (sighash, GINT_TO_POINTER (arity)))) {
1160 mono_jit_unlock ();
1161 return res;
1162 }
1163
1164 res = mono_metadata_signature_alloc (mono_defaults.corlib, arity + 1);
1165
1166 res->pinvoke = 1;
1167 #ifdef MONO_ARCH_VARARG_ICALLS
1168 /* Only set this only some archs since not all backends can handle varargs+pinvoke */
1169 res->call_convention = MONO_CALL_VARARG;
1170 #endif
1171
1172 #ifdef TARGET_WIN32
1173 res->call_convention = MONO_CALL_C;
1174 #endif
1175
1176 res->params [0] = &mono_defaults.int_class->byval_arg;
1177 for (i = 0; i < arity; i++)
1178 res->params [i + 1] = &mono_defaults.int_class->byval_arg;
1179
1180 res->ret = &mono_defaults.object_class->byval_arg;
1181
1182 g_hash_table_insert (sighash, GINT_TO_POINTER (arity), res);
1183 mono_jit_unlock ();
1184
1185 return res;
1186 }
1187
1188 MonoJitICallInfo *
1189 mono_get_array_new_va_icall (int rank)
1190 {
1191 MonoMethodSignature *esig;
1192 char icall_name [256];
1193 char *name;
1194 MonoJitICallInfo *info;
1195
1196 /* Need to register the icall so it gets an icall wrapper */
1197 sprintf (icall_name, "ves_array_new_va_%d", rank);
1198
1199 mono_jit_lock ();
1200 info = mono_find_jit_icall_by_name (icall_name);
1201 if (info == NULL) {
1202 esig = mono_get_array_new_va_signature (rank);
1203 name = g_strdup (icall_name);
1204 info = mono_register_jit_icall (mono_array_new_va, name, esig, FALSE);
1205
1206 g_hash_table_insert (jit_icall_name_hash, name, name);
1207 }
1208 mono_jit_unlock ();
1209
1210 return info;
1211 }
1212
1213 gboolean
1214 mini_class_is_system_array (MonoClass *klass)
1215 {
1216 if (klass->parent == mono_defaults.array_class)
1217 return TRUE;
1218 else
1219 return FALSE;
1220 }
1221
1222 static MonoJitICallInfo **emul_opcode_map = NULL;
1223
1224 MonoJitICallInfo *
1225 mono_find_jit_opcode_emulation (int opcode)
1226 {
1227 g_assert (opcode >= 0 && opcode <= OP_LAST);
1228 if (emul_opcode_map)
1229 return emul_opcode_map [opcode];
1230 else
1231 return NULL;
1232 }
1233
1234 gboolean
1235 mini_assembly_can_skip_verification (MonoDomain *domain, MonoMethod *method)
1236 {
1237 MonoAssembly *assembly = method->klass->image->assembly;
1238 if (method->wrapper_type != MONO_WRAPPER_NONE)
1239 return FALSE;
1240 if (assembly->in_gac || assembly->image == mono_defaults.corlib)
1241 return FALSE;
1242 if (mono_security_get_mode () != MONO_SECURITY_MODE_NONE)
1243 return FALSE;
1244 return mono_assembly_has_skip_verification (assembly);
1245 }
1246
1247 /*
1248 * mini_method_verify:
1249 *
1250 * Verify the method using the new verfier.
1251 *
1252 * Returns true if the method is invalid.
1253 */
1254 gboolean
1255 mini_method_verify (MonoCompile *cfg, MonoMethod *method)
1256 {
1257 GSList *tmp, *res;
1258 gboolean is_fulltrust;
1259 MonoLoaderError *error;
1260
1261 if (method->verification_success)
1262 return FALSE;
1263
1264 is_fulltrust = mono_verifier_is_method_full_trust (method);
1265
1266 if (!mono_verifier_is_enabled_for_method (method))
1267 return FALSE;
1268
1269 res = mono_method_verify_with_current_settings (method, cfg->skip_visibility);
1270
1271 if ((error = mono_loader_get_last_error ())) {
1272 cfg->exception_type = error->exception_type;
1273 if (res)
1274 mono_free_verify_list (res);
1275 return TRUE;
1276 }
1277
1278 if (res) {
1279 for (tmp = res; tmp; tmp = tmp->next) {
1280 MonoVerifyInfoExtended *info = (MonoVerifyInfoExtended *)tmp->data;
1281 if (info->info.status == MONO_VERIFY_ERROR) {
1282 cfg->exception_type = info->exception_type;
1283 cfg->exception_message = g_strdup (info->info.message);
1284 mono_free_verify_list (res);
1285 return TRUE;
1286 }
1287 if (info->info.status == MONO_VERIFY_NOT_VERIFIABLE && (!is_fulltrust || info->exception_type == MONO_EXCEPTION_METHOD_ACCESS || info->exception_type == MONO_EXCEPTION_FIELD_ACCESS)) {
1288 cfg->exception_type = info->exception_type;
1289 cfg->exception_message = g_strdup (info->info.message);
1290 mono_free_verify_list (res);
1291 return TRUE;
1292 }
1293 }
1294 mono_free_verify_list (res);
1295 }
1296 method->verification_success = 1;
1297 return FALSE;
1298 }
1299
1300 static void
1301 create_helper_signature (void)
1302 {
1303 helper_sig_domain_get = mono_create_icall_signature ("ptr");
1304 helper_sig_class_init_trampoline = mono_create_icall_signature ("void");
1305 helper_sig_generic_class_init_trampoline = mono_create_icall_signature ("void");
1306 helper_sig_rgctx_lazy_fetch_trampoline = mono_create_icall_signature ("ptr ptr");
1307 helper_sig_monitor_enter_exit_trampoline = mono_create_icall_signature ("void");
1308 helper_sig_monitor_enter_exit_trampoline_llvm = mono_create_icall_signature ("void object");
1309 }
1310
1311 static gconstpointer
1312 mono_icall_get_wrapper_full (MonoJitICallInfo* callinfo, gboolean do_compile)
1313 {
1314 char *name;
1315 MonoMethod *wrapper;
1316 gconstpointer trampoline;
1317 MonoDomain *domain = mono_get_root_domain ();
1318
1319 if (callinfo->wrapper) {
1320 return callinfo->wrapper;
1321 }
1322
1323 if (callinfo->trampoline)
1324 return callinfo->trampoline;
1325
1326 /*
1327 * We use the lock on the root domain instead of the JIT lock to protect
1328 * callinfo->trampoline, since we do a lot of stuff inside the critical section.
1329 */
1330 mono_loader_lock (); /*FIXME mono_compile_method requires the loader lock, by large.*/
1331 mono_domain_lock (domain);
1332
1333 if (callinfo->trampoline) {
1334 mono_domain_unlock (domain);
1335 mono_loader_unlock ();
1336 return callinfo->trampoline;
1337 }
1338
1339 name = g_strdup_printf ("__icall_wrapper_%s", callinfo->name);
1340 wrapper = mono_marshal_get_icall_wrapper (callinfo->sig, name, callinfo->func, check_for_pending_exc);
1341 g_free (name);
1342
1343 if (do_compile)
1344 trampoline = mono_compile_method (wrapper);
1345 else
1346 trampoline = mono_create_ftnptr (domain, mono_create_jit_trampoline_in_domain (domain, wrapper));
1347 mono_register_jit_icall_wrapper (callinfo, trampoline);
1348
1349 callinfo->trampoline = trampoline;
1350
1351 mono_domain_unlock (domain);
1352 mono_loader_unlock ();
1353
1354 return callinfo->trampoline;
1355 }
1356
1357 gconstpointer
1358 mono_icall_get_wrapper (MonoJitICallInfo* callinfo)
1359 {
1360 return mono_icall_get_wrapper_full (callinfo, FALSE);
1361 }
1362
1363 static void
1364 mono_dynamic_code_hash_insert (MonoDomain *domain, MonoMethod *method, MonoJitDynamicMethodInfo *ji)
1365 {
1366 if (!domain_jit_info (domain)->dynamic_code_hash)
1367 domain_jit_info (domain)->dynamic_code_hash = g_hash_table_new (NULL, NULL);
1368 g_hash_table_insert (domain_jit_info (domain)->dynamic_code_hash, method, ji);
1369 }
1370
1371 static MonoJitDynamicMethodInfo*
1372 mono_dynamic_code_hash_lookup (MonoDomain *domain, MonoMethod *method)
1373 {
1374 MonoJitDynamicMethodInfo *res;
1375
1376 if (domain_jit_info (domain)->dynamic_code_hash)
1377 res = g_hash_table_lookup (domain_jit_info (domain)->dynamic_code_hash, method);
1378 else
1379 res = NULL;
1380 return res;
1381 }
1382
1383 typedef struct {
1384 MonoClass *vtype;
1385 GList *active, *inactive;
1386 GSList *slots;
1387 } StackSlotInfo;
1388
1389 static gint
1390 compare_by_interval_start_pos_func (gconstpointer a, gconstpointer b)
1391 {
1392 MonoMethodVar *v1 = (MonoMethodVar*)a;
1393 MonoMethodVar *v2 = (MonoMethodVar*)b;
1394
1395 if (v1 == v2)
1396 return 0;
1397 else if (v1->interval->range && v2->interval->range)
1398 return v1->interval->range->from - v2->interval->range->from;
1399 else if (v1->interval->range)
1400 return -1;
1401 else
1402 return 1;
1403 }
1404
1405 #ifndef DISABLE_JIT
1406
1407 #if 0
1408 #define LSCAN_DEBUG(a) do { a; } while (0)
1409 #else
1410 #define LSCAN_DEBUG(a)
1411 #endif
1412
1413 static gint32*
1414 mono_allocate_stack_slots_full2 (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
1415 {
1416 int i, slot, offset, size;
1417 guint32 align;
1418 MonoMethodVar *vmv;
1419 MonoInst *inst;
1420 gint32 *offsets;
1421 GList *vars = NULL, *l, *unhandled;
1422 StackSlotInfo *scalar_stack_slots, *vtype_stack_slots, *slot_info;
1423 MonoType *t;
1424 int nvtypes;
1425
1426 LSCAN_DEBUG (printf ("Allocate Stack Slots 2 for %s:\n", mono_method_full_name (cfg->method, TRUE)));
1427
1428 scalar_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * MONO_TYPE_PINNED);
1429 vtype_stack_slots = NULL;
1430 nvtypes = 0;
1431
1432 offsets = mono_mempool_alloc (cfg->mempool, sizeof (gint32) * cfg->num_varinfo);
1433 for (i = 0; i < cfg->num_varinfo; ++i)
1434 offsets [i] = -1;
1435
1436 for (i = cfg->locals_start; i < cfg->num_varinfo; i++) {
1437 inst = cfg->varinfo [i];
1438 vmv = MONO_VARINFO (cfg, i);
1439
1440 if ((inst->flags & MONO_INST_IS_DEAD) || inst->opcode == OP_REGVAR || inst->opcode == OP_REGOFFSET)
1441 continue;
1442
1443 vars = g_list_prepend (vars, vmv);
1444 }
1445
1446 vars = g_list_sort (g_list_copy (vars), compare_by_interval_start_pos_func);
1447
1448 /* Sanity check */
1449 /*
1450 i = 0;
1451 for (unhandled = vars; unhandled; unhandled = unhandled->next) {
1452 MonoMethodVar *current = unhandled->data;
1453
1454 if (current->interval->range) {
1455 g_assert (current->interval->range->from >= i);
1456 i = current->interval->range->from;
1457 }
1458 }
1459 */
1460
1461 offset = 0;
1462 *stack_align = 0;
1463 for (unhandled = vars; unhandled; unhandled = unhandled->next) {
1464 MonoMethodVar *current = unhandled->data;
1465
1466 vmv = current;
1467 inst = cfg->varinfo [vmv->idx];
1468
1469 /* inst->backend.is_pinvoke indicates native sized value types, this is used by the
1470 * pinvoke wrappers when they call functions returning structures */
1471 if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (inst->inst_vtype) && inst->inst_vtype->type != MONO_TYPE_TYPEDBYREF) {
1472 size = mono_class_native_size (mono_class_from_mono_type (inst->inst_vtype), &align);
1473 }
1474 else {
1475 int ialign;
1476
1477 size = mono_type_size (inst->inst_vtype, &ialign);
1478 align = ialign;
1479
1480 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (inst->inst_vtype)))
1481 align = 16;
1482 }
1483
1484 t = mono_type_get_underlying_type (inst->inst_vtype);
1485 switch (t->type) {
1486 case MONO_TYPE_GENERICINST:
1487 if (!mono_type_generic_inst_is_valuetype (t)) {
1488 slot_info = &scalar_stack_slots [t->type];
1489 break;
1490 }
1491 /* Fall through */
1492 case MONO_TYPE_VALUETYPE:
1493 if (!vtype_stack_slots)
1494 vtype_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * 256);
1495 for (i = 0; i < nvtypes; ++i)
1496 if (t->data.klass == vtype_stack_slots [i].vtype)
1497 break;
1498 if (i < nvtypes)
1499 slot_info = &vtype_stack_slots [i];
1500 else {
1501 g_assert (nvtypes < 256);
1502 vtype_stack_slots [nvtypes].vtype = t->data.klass;
1503 slot_info = &vtype_stack_slots [nvtypes];
1504 nvtypes ++;
1505 }
1506 break;
1507
1508 case MONO_TYPE_PTR:
1509 case MONO_TYPE_I:
1510 case MONO_TYPE_U:
1511 #if SIZEOF_REGISTER == 4
1512 case MONO_TYPE_I4:
1513 #else
1514 case MONO_TYPE_I8:
1515 #endif
1516 #ifdef HAVE_SGEN_GC
1517 slot_info = &scalar_stack_slots [MONO_TYPE_I];
1518 break;
1519 #else
1520 /* Fall through */
1521 #endif
1522
1523 case MONO_TYPE_CLASS:
1524 case MONO_TYPE_OBJECT:
1525 case MONO_TYPE_ARRAY:
1526 case MONO_TYPE_SZARRAY:
1527 case MONO_TYPE_STRING:
1528 /* Share non-float stack slots of the same size */
1529 slot_info = &scalar_stack_slots [MONO_TYPE_CLASS];
1530 break;
1531
1532 default:
1533 slot_info = &scalar_stack_slots [t->type];
1534 }
1535
1536 slot = 0xffffff;
1537 if (cfg->comp_done & MONO_COMP_LIVENESS) {
1538 int pos;
1539 gboolean changed;
1540
1541 //printf ("START %2d %08x %08x\n", vmv->idx, vmv->range.first_use.abs_pos, vmv->range.last_use.abs_pos);
1542
1543 if (!current->interval->range) {
1544 if (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))
1545 pos = ~0;
1546 else {
1547 /* Dead */
1548 inst->flags |= MONO_INST_IS_DEAD;
1549 continue;
1550 }
1551 }
1552 else
1553 pos = current->interval->range->from;
1554
1555 LSCAN_DEBUG (printf ("process R%d ", inst->dreg));
1556 if (current->interval->range)
1557 LSCAN_DEBUG (mono_linterval_print (current->interval));
1558 LSCAN_DEBUG (printf ("\n"));
1559
1560 /* Check for intervals in active which expired or inactive */
1561 changed = TRUE;
1562 /* FIXME: Optimize this */
1563 while (changed) {
1564 changed = FALSE;
1565 for (l = slot_info->active; l != NULL; l = l->next) {
1566 MonoMethodVar *v = (MonoMethodVar*)l->data;
1567
1568 if (v->interval->last_range->to < pos) {
1569 slot_info->active = g_list_delete_link (slot_info->active, l);
1570 slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [v->idx]));
1571 LSCAN_DEBUG (printf ("Interval R%d has expired, adding 0x%x to slots\n", cfg->varinfo [v->idx]->dreg, offsets [v->idx]));
1572 changed = TRUE;
1573 break;
1574 }
1575 else if (!mono_linterval_covers (v->interval, pos)) {
1576 slot_info->inactive = g_list_append (slot_info->inactive, v);
1577 slot_info->active = g_list_delete_link (slot_info->active, l);
1578 LSCAN_DEBUG (printf ("Interval R%d became inactive\n", cfg->varinfo [v->idx]->dreg));
1579 changed = TRUE;
1580 break;
1581 }
1582 }
1583 }
1584
1585 /* Check for intervals in inactive which expired or active */
1586 changed = TRUE;
1587 /* FIXME: Optimize this */
1588 while (changed) {
1589 changed = FALSE;
1590 for (l = slot_info->inactive; l != NULL; l = l->next) {
1591 MonoMethodVar *v = (MonoMethodVar*)l->data;
1592
1593 if (v->interval->last_range->to < pos) {
1594 slot_info->inactive = g_list_delete_link (slot_info->inactive, l);
1595 // FIXME: Enabling this seems to cause impossible to debug crashes
1596 //slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [v->idx]));
1597 LSCAN_DEBUG (printf ("Interval R%d has expired, adding 0x%x to slots\n", cfg->varinfo [v->idx]->dreg, offsets [v->idx]));
1598 changed = TRUE;
1599 break;
1600 }
1601 else if (mono_linterval_covers (v->interval, pos)) {
1602 slot_info->active = g_list_append (slot_info->active, v);
1603 slot_info->inactive = g_list_delete_link (slot_info->inactive, l);
1604 LSCAN_DEBUG (printf ("\tInterval R%d became active\n", cfg->varinfo [v->idx]->dreg));
1605 changed = TRUE;
1606 break;
1607 }
1608 }
1609 }
1610
1611 /*
1612 * This also handles the case when the variable is used in an
1613 * exception region, as liveness info is not computed there.
1614 */
1615 /*
1616 * FIXME: All valuetypes are marked as INDIRECT because of LDADDR
1617 * opcodes.
1618 */
1619 if (! (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))) {
1620 if (slot_info->slots) {
1621 slot = GPOINTER_TO_INT (slot_info->slots->data);
1622
1623 slot_info->slots = slot_info->slots->next;
1624 }
1625
1626 /* FIXME: We might want to consider the inactive intervals as well if slot_info->slots is empty */
1627
1628 slot_info->active = mono_varlist_insert_sorted (cfg, slot_info->active, vmv, TRUE);
1629 }
1630 }
1631
1632 #if 0
1633 {
1634 static int count = 0;
1635 count ++;
1636
1637 if (count == atoi (getenv ("COUNT3")))
1638 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
1639 if (count > atoi (getenv ("COUNT3")))
1640 slot = 0xffffff;
1641 else {
1642 mono_print_ins (inst);
1643 }
1644 }
1645 #endif
1646
1647 LSCAN_DEBUG (printf ("R%d %s -> 0x%x\n", inst->dreg, mono_type_full_name (t), slot));
1648
1649 if (slot == 0xffffff) {
1650 /*
1651 * Allways allocate valuetypes to sizeof (gpointer) to allow more
1652 * efficient copying (and to work around the fact that OP_MEMCPY
1653 * and OP_MEMSET ignores alignment).
1654 */
1655 if (MONO_TYPE_ISSTRUCT (t)) {
1656 align = MAX (align, sizeof (gpointer));
1657 align = MAX (align, mono_class_min_align (mono_class_from_mono_type (t)));
1658 }
1659
1660 if (backward) {
1661 offset += size;
1662 offset += align - 1;
1663 offset &= ~(align - 1);
1664 slot = offset;
1665 }
1666 else {
1667 offset += align - 1;
1668 offset &= ~(align - 1);
1669 slot = offset;
1670 offset += size;
1671 }
1672
1673 if (*stack_align == 0)
1674 *stack_align = align;
1675 }
1676
1677 offsets [vmv->idx] = slot;
1678 }
1679 g_list_free (vars);
1680 for (i = 0; i < MONO_TYPE_PINNED; ++i) {
1681 if (scalar_stack_slots [i].active)
1682 g_list_free (scalar_stack_slots [i].active);
1683 }
1684 for (i = 0; i < nvtypes; ++i) {
1685 if (vtype_stack_slots [i].active)
1686 g_list_free (vtype_stack_slots [i].active);
1687 }
1688
1689 mono_jit_stats.locals_stack_size += offset;
1690
1691 *stack_size = offset;
1692 return offsets;
1693 }
1694
1695 /*
1696 * mono_allocate_stack_slots_full:
1697 *
1698 * Allocate stack slots for all non register allocated variables using a
1699 * linear scan algorithm.
1700 * Returns: an array of stack offsets.
1701 * STACK_SIZE is set to the amount of stack space needed.
1702 * STACK_ALIGN is set to the alignment needed by the locals area.
1703 */
1704 gint32*
1705 mono_allocate_stack_slots_full (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
1706 {
1707 int i, slot, offset, size;
1708 guint32 align;
1709 MonoMethodVar *vmv;
1710 MonoInst *inst;
1711 gint32 *offsets;
1712 GList *vars = NULL, *l;
1713 StackSlotInfo *scalar_stack_slots, *vtype_stack_slots, *slot_info;
1714 MonoType *t;
1715 int nvtypes;
1716
1717 if ((cfg->num_varinfo > 0) && MONO_VARINFO (cfg, 0)->interval)
1718 return mono_allocate_stack_slots_full2 (cfg, backward, stack_size, stack_align);
1719
1720 scalar_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * MONO_TYPE_PINNED);
1721 vtype_stack_slots = NULL;
1722 nvtypes = 0;
1723
1724 offsets = mono_mempool_alloc (cfg->mempool, sizeof (gint32) * cfg->num_varinfo);
1725 for (i = 0; i < cfg->num_varinfo; ++i)
1726 offsets [i] = -1;
1727
1728 for (i = cfg->locals_start; i < cfg->num_varinfo; i++) {
1729 inst = cfg->varinfo [i];
1730 vmv = MONO_VARINFO (cfg, i);
1731
1732 if ((inst->flags & MONO_INST_IS_DEAD) || inst->opcode == OP_REGVAR || inst->opcode == OP_REGOFFSET)
1733 continue;
1734
1735 vars = g_list_prepend (vars, vmv);
1736 }
1737
1738 vars = mono_varlist_sort (cfg, vars, 0);
1739 offset = 0;
1740 *stack_align = sizeof (gpointer);
1741 for (l = vars; l; l = l->next) {
1742 vmv = l->data;
1743 inst = cfg->varinfo [vmv->idx];
1744
1745 /* inst->backend.is_pinvoke indicates native sized value types, this is used by the
1746 * pinvoke wrappers when they call functions returning structures */
1747 if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (inst->inst_vtype) && inst->inst_vtype->type != MONO_TYPE_TYPEDBYREF) {
1748 size = mono_class_native_size (mono_class_from_mono_type (inst->inst_vtype), &align);
1749 } else {
1750 int ialign;
1751
1752 size = mono_type_size (inst->inst_vtype, &ialign);
1753 align = ialign;
1754
1755 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (inst->inst_vtype)))
1756 align = 16;
1757 }
1758
1759 t = mono_type_get_underlying_type (inst->inst_vtype);
1760 if (t->byref) {
1761 slot_info = &scalar_stack_slots [MONO_TYPE_I];
1762 } else {
1763 switch (t->type) {
1764 case MONO_TYPE_GENERICINST:
1765 if (!mono_type_generic_inst_is_valuetype (t)) {
1766 slot_info = &scalar_stack_slots [t->type];
1767 break;
1768 }
1769 /* Fall through */
1770 case MONO_TYPE_VALUETYPE:
1771 if (!vtype_stack_slots)
1772 vtype_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * 256);
1773 for (i = 0; i < nvtypes; ++i)
1774 if (t->data.klass == vtype_stack_slots [i].vtype)
1775 break;
1776 if (i < nvtypes)
1777 slot_info = &vtype_stack_slots [i];
1778 else {
1779 g_assert (nvtypes < 256);
1780 vtype_stack_slots [nvtypes].vtype = t->data.klass;
1781 slot_info = &vtype_stack_slots [nvtypes];
1782 nvtypes ++;
1783 }
1784 break;
1785
1786 case MONO_TYPE_PTR:
1787 case MONO_TYPE_I:
1788 case MONO_TYPE_U:
1789 #if SIZEOF_REGISTER == 4
1790 case MONO_TYPE_I4:
1791 #else
1792 case MONO_TYPE_I8:
1793 #endif
1794 #ifdef HAVE_SGEN_GC
1795 slot_info = &scalar_stack_slots [MONO_TYPE_I];
1796 break;
1797 #else
1798 /* Fall through */
1799 #endif
1800
1801 case MONO_TYPE_CLASS:
1802 case MONO_TYPE_OBJECT:
1803 case MONO_TYPE_ARRAY:
1804 case MONO_TYPE_SZARRAY:
1805 case MONO_TYPE_STRING:
1806 /* Share non-float stack slots of the same size */
1807 slot_info = &scalar_stack_slots [MONO_TYPE_CLASS];
1808 break;
1809
1810 default:
1811 slot_info = &scalar_stack_slots [t->type];
1812 }
1813 }
1814
1815 slot = 0xffffff;
1816 if (cfg->comp_done & MONO_COMP_LIVENESS) {
1817 //printf ("START %2d %08x %08x\n", vmv->idx, vmv->range.first_use.abs_pos, vmv->range.last_use.abs_pos);
1818
1819 /* expire old intervals in active */
1820 while (slot_info->active) {
1821 MonoMethodVar *amv = (MonoMethodVar *)slot_info->active->data;
1822
1823 if (amv->range.last_use.abs_pos > vmv->range.first_use.abs_pos)
1824 break;
1825
1826 //printf ("EXPIR %2d %08x %08x C%d R%d\n", amv->idx, amv->range.first_use.abs_pos, amv->range.last_use.abs_pos, amv->spill_costs, amv->reg);
1827
1828 slot_info->active = g_list_delete_link (slot_info->active, slot_info->active);
1829 slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [amv->idx]));
1830 }
1831
1832 /*
1833 * This also handles the case when the variable is used in an
1834 * exception region, as liveness info is not computed there.
1835 */
1836 /*
1837 * FIXME: All valuetypes are marked as INDIRECT because of LDADDR
1838 * opcodes.
1839 */
1840 if (! (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))) {
1841 if (slot_info->slots) {
1842 slot = GPOINTER_TO_INT (slot_info->slots->data);
1843
1844 slot_info->slots = slot_info->slots->next;
1845 }
1846
1847 slot_info->active = mono_varlist_insert_sorted (cfg, slot_info->active, vmv, TRUE);
1848 }
1849 }
1850
1851 {
1852 static int count = 0;
1853 count ++;
1854
1855 /*
1856 if (count == atoi (getenv ("COUNT")))
1857 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
1858 if (count > atoi (getenv ("COUNT")))
1859 slot = 0xffffff;
1860 else {
1861 mono_print_ins (inst);
1862 }
1863 */
1864 }
1865
1866 if (cfg->disable_reuse_stack_slots)
1867 slot = 0xffffff;
1868
1869 if (slot == 0xffffff) {
1870 /*
1871 * Allways allocate valuetypes to sizeof (gpointer) to allow more
1872 * efficient copying (and to work around the fact that OP_MEMCPY
1873 * and OP_MEMSET ignores alignment).
1874 */
1875 if (MONO_TYPE_ISSTRUCT (t)) {
1876 align = MAX (align, sizeof (gpointer));
1877 align = MAX (align, mono_class_min_align (mono_class_from_mono_type (t)));
1878 /*
1879 * Align the size too so the code generated for passing vtypes in
1880 * registers doesn't overwrite random locals.
1881 */
1882 size = (size + (align - 1)) & ~(align -1);
1883 }
1884
1885 if (backward) {
1886 offset += size;
1887 offset += align - 1;
1888 offset &= ~(align - 1);
1889 slot = offset;
1890 }
1891 else {
1892 offset += align - 1;
1893 offset &= ~(align - 1);
1894 slot = offset;
1895 offset += size;
1896 }
1897
1898 *stack_align = MAX (*stack_align, align);
1899 }
1900
1901 offsets [vmv->idx] = slot;
1902 }
1903 g_list_free (vars);
1904 for (i = 0; i < MONO_TYPE_PINNED; ++i) {
1905 if (scalar_stack_slots [i].active)
1906 g_list_free (scalar_stack_slots [i].active);
1907 }
1908 for (i = 0; i < nvtypes; ++i) {
1909 if (vtype_stack_slots [i].active)
1910 g_list_free (vtype_stack_slots [i].active);
1911 }
1912
1913 mono_jit_stats.locals_stack_size += offset;
1914
1915 *stack_size = offset;
1916 return offsets;
1917 }
1918
1919 #else
1920
1921 gint32*
1922 mono_allocate_stack_slots_full (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
1923 {
1924 g_assert_not_reached ();
1925 return NULL;
1926 }
1927
1928 #endif /* DISABLE_JIT */
1929
1930 gint32*
1931 mono_allocate_stack_slots (MonoCompile *m, guint32 *stack_size, guint32 *stack_align)
1932 {
1933 return mono_allocate_stack_slots_full (m, TRUE, stack_size, stack_align);
1934 }
1935
1936 void
1937 mono_register_opcode_emulation (int opcode, const char *name, const char *sigstr, gpointer func, gboolean no_throw)
1938 {
1939 MonoJitICallInfo *info;
1940 MonoMethodSignature *sig = mono_create_icall_signature (sigstr);
1941
1942 if (!emul_opcode_map)
1943 emul_opcode_map = g_new0 (MonoJitICallInfo*, OP_LAST + 1);
1944
1945 g_assert (!sig->hasthis);
1946 g_assert (sig->param_count < 3);
1947
1948 info = mono_register_jit_icall (func, name, sig, no_throw);
1949
1950 emul_opcode_map [opcode] = info;
1951 }
1952
1953 static void
1954 register_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
1955 {
1956 MonoMethodSignature *sig;
1957
1958 if (sigstr)
1959 sig = mono_create_icall_signature (sigstr);
1960 else
1961 sig = NULL;
1962
1963 mono_register_jit_icall (func, name, sig, save);
1964 }
1965
1966 static void
1967 print_dfn (MonoCompile *cfg) {
1968 int i, j;
1969 char *code;
1970 MonoBasicBlock *bb;
1971 MonoInst *c;
1972
1973 g_print ("IR code for method %s\n", mono_method_full_name (cfg->method, TRUE));
1974
1975 for (i = 0; i < cfg->num_bblocks; ++i) {
1976 bb = cfg->bblocks [i];
1977 /*if (bb->cil_code) {
1978 char* code1, *code2;
1979 code1 = mono_disasm_code_one (NULL, cfg->method, bb->cil_code, NULL);
1980 if (bb->last_ins->cil_code)
1981 code2 = mono_disasm_code_one (NULL, cfg->method, bb->last_ins->cil_code, NULL);
1982 else
1983 code2 = g_strdup ("");
1984
1985 code1 [strlen (code1) - 1] = 0;
1986 code = g_strdup_printf ("%s -> %s", code1, code2);
1987 g_free (code1);
1988 g_free (code2);
1989 } else*/
1990 code = g_strdup ("\n");
1991 g_print ("\nBB%d (%d) (len: %d): %s", bb->block_num, i, bb->cil_length, code);
1992 MONO_BB_FOR_EACH_INS (bb, c) {
1993 mono_print_ins_index (-1, c);
1994 }
1995
1996 g_print ("\tprev:");
1997 for (j = 0; j < bb->in_count; ++j) {
1998 g_print (" BB%d", bb->in_bb [j]->block_num);
1999 }
2000 g_print ("\t\tsucc:");
2001 for (j = 0; j < bb->out_count; ++j) {
2002 g_print (" BB%d", bb->out_bb [j]->block_num);
2003 }
2004 g_print ("\n\tidom: BB%d\n", bb->idom? bb->idom->block_num: -1);
2005
2006 if (bb->idom)
2007 g_assert (mono_bitset_test_fast (bb->dominators, bb->idom->dfn));
2008
2009 if (bb->dominators)
2010 mono_blockset_print (cfg, bb->dominators, "\tdominators", bb->idom? bb->idom->dfn: -1);
2011 if (bb->dfrontier)
2012 mono_blockset_print (cfg, bb->dfrontier, "\tdfrontier", -1);
2013 g_free (code);
2014 }
2015
2016 g_print ("\n");
2017 }
2018
2019 void
2020 mono_bblock_add_inst (MonoBasicBlock *bb, MonoInst *inst)
2021 {
2022 MONO_ADD_INS (bb, inst);
2023 }
2024
2025 void
2026 mono_bblock_insert_after_ins (MonoBasicBlock *bb, MonoInst *ins, MonoInst *ins_to_insert)
2027 {
2028 if (ins == NULL) {
2029 ins = bb->code;
2030 bb->code = ins_to_insert;
2031
2032 /* Link with next */
2033 ins_to_insert->next = ins;
2034 if (ins)
2035 ins->prev = ins_to_insert;
2036
2037 if (bb->last_ins == NULL)
2038 bb->last_ins = ins_to_insert;
2039 } else {
2040 /* Link with next */
2041 ins_to_insert->next = ins->next;
2042 if (ins->next)
2043 ins->next->prev = ins_to_insert;
2044
2045 /* Link with previous */
2046 ins->next = ins_to_insert;
2047 ins_to_insert->prev = ins;
2048
2049 if (bb->last_ins == ins)
2050 bb->last_ins = ins_to_insert;
2051 }
2052 }
2053
2054 void
2055 mono_bblock_insert_before_ins (MonoBasicBlock *bb, MonoInst *ins, MonoInst *ins_to_insert)
2056 {
2057 if (ins == NULL) {
2058 ins = bb->code;
2059 bb->code = ins_to_insert;
2060 ins_to_insert->next = ins;
2061 if (bb->last_ins == NULL)
2062 bb->last_ins = ins_to_insert;
2063 } else {
2064 /* Link with previous */
2065 if (ins->prev)
2066 ins->prev->next = ins_to_insert;
2067 ins_to_insert->prev = ins->prev;
2068
2069 /* Link with next */
2070 ins->prev = ins_to_insert;
2071 ins_to_insert->next = ins;
2072
2073 if (bb->code == ins)
2074 bb->code = ins_to_insert;
2075 }
2076 }
2077
2078 /*
2079 * mono_verify_bblock:
2080 *
2081 * Verify that the next and prev pointers are consistent inside the instructions in BB.
2082 */
2083 void
2084 mono_verify_bblock (MonoBasicBlock *bb)
2085 {
2086 MonoInst *ins, *prev;
2087
2088 prev = NULL;
2089 for (ins = bb->code; ins; ins = ins->next) {
2090 g_assert (ins->prev == prev);
2091 prev = ins;
2092 }
2093 if (bb->last_ins)
2094 g_assert (!bb->last_ins->next);
2095 }
2096
2097 /*
2098 * mono_verify_cfg:
2099 *
2100 * Perform consistency checks on the JIT data structures and the IR
2101 */
2102 void
2103 mono_verify_cfg (MonoCompile *cfg)
2104 {
2105 MonoBasicBlock *bb;
2106
2107 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
2108 mono_verify_bblock (bb);
2109 }
2110
2111 void
2112 mono_destroy_compile (MonoCompile *cfg)
2113 {
2114 //mono_mempool_stats (cfg->mempool);
2115 mono_free_loop_info (cfg);
2116 if (cfg->rs)
2117 mono_regstate_free (cfg->rs);
2118 if (cfg->spvars)
2119 g_hash_table_destroy (cfg->spvars);
2120 if (cfg->exvars)
2121 g_hash_table_destroy (cfg->exvars);
2122 mono_mempool_destroy (cfg->mempool);
2123 g_list_free (cfg->ldstr_list);
2124 g_hash_table_destroy (cfg->token_info_hash);
2125 if (cfg->abs_patches)
2126 g_hash_table_destroy (cfg->abs_patches);
2127
2128 g_free (cfg->varinfo);
2129 g_free (cfg->vars);
2130 g_free (cfg->exception_message);
2131 g_free (cfg);
2132 }
2133
2134 #ifdef HAVE_KW_THREAD
2135 static __thread gpointer mono_lmf_addr MONO_TLS_FAST;
2136 #ifdef MONO_ARCH_ENABLE_MONO_LMF_VAR
2137 /*
2138 * When this is defined, the current lmf is stored in this tls variable instead of in
2139 * jit_tls->lmf.
2140 */
2141 static __thread gpointer mono_lmf MONO_TLS_FAST;
2142 #endif
2143 #endif
2144
2145 guint32
2146 mono_get_jit_tls_key (void)
2147 {
2148 return mono_jit_tls_id;
2149 }
2150
2151 gint32
2152 mono_get_jit_tls_offset (void)
2153 {
2154 #ifdef HAVE_KW_THREAD
2155 int offset;
2156 MONO_THREAD_VAR_OFFSET (mono_jit_tls, offset);
2157 return offset;
2158 #else
2159 return -1;
2160 #endif
2161 }
2162
2163 gint32
2164 mono_get_lmf_tls_offset (void)
2165 {
2166 #if defined(HAVE_KW_THREAD) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2167 int offset;
2168 MONO_THREAD_VAR_OFFSET(mono_lmf,offset);
2169 return offset;
2170 #else
2171 return -1;
2172 #endif
2173 }
2174
2175 gint32
2176 mono_get_lmf_addr_tls_offset (void)
2177 {
2178 int offset;
2179 MONO_THREAD_VAR_OFFSET(mono_lmf_addr,offset);
2180 return offset;
2181 }
2182
2183 MonoLMF *
2184 mono_get_lmf (void)
2185 {
2186 #if defined(HAVE_KW_THREAD) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2187 return mono_lmf;
2188 #else
2189 MonoJitTlsData *jit_tls;
2190
2191 if ((jit_tls = TlsGetValue (mono_jit_tls_id)))
2192 return jit_tls->lmf;
2193
2194 g_assert_not_reached ();
2195 return NULL;
2196 #endif
2197 }
2198
2199 MonoLMF **
2200 mono_get_lmf_addr (void)
2201 {
2202 #ifdef HAVE_KW_THREAD
2203 return mono_lmf_addr;
2204 #else
2205 MonoJitTlsData *jit_tls;
2206
2207 if ((jit_tls = TlsGetValue (mono_jit_tls_id)))
2208 return &jit_tls->lmf;
2209
2210 /*
2211 * When resolving the call to mono_jit_thread_attach full-aot will look
2212 * in the plt, which causes a call into the generic trampoline, which in turn
2213 * tries to resolve the lmf_addr creating a cyclic dependency. We cannot
2214 * call mono_jit_thread_attach from the native-to-managed wrapper, without
2215 * mono_get_lmf_addr, and mono_get_lmf_addr requires the thread to be attached.
2216 */
2217
2218 mono_jit_thread_attach (NULL);
2219
2220 if ((jit_tls = TlsGetValue (mono_jit_tls_id)))
2221 return &jit_tls->lmf;
2222
2223 g_assert_not_reached ();
2224 return NULL;
2225 #endif
2226 }
2227
2228 void
2229 mono_set_lmf (MonoLMF *lmf)
2230 {
2231 #if defined(HAVE_KW_THREAD) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2232 mono_lmf = lmf;
2233 #endif
2234
2235 (*mono_get_lmf_addr ()) = lmf;
2236 }
2237
2238 /* Called by native->managed wrappers */
2239 void
2240 mono_jit_thread_attach (MonoDomain *domain)
2241 {
2242 if (!domain)
2243 /*
2244 * Happens when called from AOTed code which is only used in the root
2245 * domain.
2246 */
2247 domain = mono_get_root_domain ();
2248
2249 #ifdef HAVE_KW_THREAD
2250 if (!mono_lmf_addr) {
2251 mono_thread_attach (domain);
2252 }
2253 #else
2254 if (!TlsGetValue (mono_jit_tls_id))
2255 mono_thread_attach (domain);
2256 #endif
2257 if (mono_domain_get () != domain)
2258 mono_domain_set (domain, TRUE);
2259 }
2260
2261 /**
2262 * mono_thread_abort:
2263 * @obj: exception object
2264 *
2265 * abort the thread, print exception information and stack trace
2266 */
2267 static void
2268 mono_thread_abort (MonoObject *obj)
2269 {
2270 /* MonoJitTlsData *jit_tls = TlsGetValue (mono_jit_tls_id); */
2271
2272 /* handle_remove should be eventually called for this thread, too
2273 g_free (jit_tls);*/
2274
2275 if ((mono_runtime_unhandled_exception_policy_get () == MONO_UNHANDLED_POLICY_LEGACY) ||
2276 (obj->vtable->klass == mono_defaults.threadabortexception_class)) {
2277 mono_thread_exit ();
2278 } else {
2279 exit (mono_environment_exitcode_get ());
2280 }
2281 }
2282
2283 static void*
2284 setup_jit_tls_data (gpointer stack_start, gpointer abort_func)
2285 {
2286 MonoJitTlsData *jit_tls;
2287 MonoLMF *lmf;
2288
2289 jit_tls = TlsGetValue (mono_jit_tls_id);
2290 if (jit_tls)
2291 return jit_tls;
2292
2293 jit_tls = g_new0 (MonoJitTlsData, 1);
2294
2295 TlsSetValue (mono_jit_tls_id, jit_tls);
2296
2297 #ifdef HAVE_KW_THREAD
2298 mono_jit_tls = jit_tls;
2299 #endif
2300
2301 jit_tls->abort_func = abort_func;
2302 jit_tls->end_of_stack = stack_start;
2303
2304 lmf = g_new0 (MonoLMF, 1);
2305 #ifdef MONO_ARCH_INIT_TOP_LMF_ENTRY
2306 MONO_ARCH_INIT_TOP_LMF_ENTRY (lmf);
2307 #else
2308 lmf->ebp = -1;
2309 #endif
2310
2311 jit_tls->first_lmf = lmf;
2312
2313 #if defined(HAVE_KW_THREAD) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2314 /* jit_tls->lmf is unused */
2315 mono_lmf = lmf;
2316 mono_lmf_addr = &mono_lmf;
2317 #else
2318 #if defined(HAVE_KW_THREAD)
2319 mono_lmf_addr = &jit_tls->lmf;
2320 #endif
2321
2322 jit_tls->lmf = lmf;
2323 #endif
2324
2325 mono_arch_setup_jit_tls_data (jit_tls);
2326 mono_setup_altstack (jit_tls);
2327
2328 return jit_tls;
2329 }
2330
2331 static void
2332 mono_thread_start_cb (gsize tid, gpointer stack_start, gpointer func)
2333 {
2334 MonoInternalThread *thread;
2335 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort);
2336 thread = mono_thread_internal_current ();
2337 mono_debugger_thread_created (tid, thread->root_domain_thread, jit_tls, func);
2338 if (thread)
2339 thread->jit_data = jit_tls;
2340 }
2341
2342 void (*mono_thread_attach_aborted_cb ) (MonoObject *obj) = NULL;
2343
2344 static void
2345 mono_thread_abort_dummy (MonoObject *obj)
2346 {
2347 if (mono_thread_attach_aborted_cb)
2348 mono_thread_attach_aborted_cb (obj);
2349 else
2350 mono_thread_abort (obj);
2351 }
2352
2353 static void
2354 mono_thread_attach_cb (gsize tid, gpointer stack_start)
2355 {
2356 MonoInternalThread *thread;
2357 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort_dummy);
2358 thread = mono_thread_internal_current ();
2359 mono_debugger_thread_created (tid, thread->root_domain_thread, (MonoJitTlsData *) jit_tls, NULL);
2360 if (thread)
2361 thread->jit_data = jit_tls;
2362 if (mono_profiler_get_events () & MONO_PROFILE_STATISTICAL)
2363 mono_runtime_setup_stat_profiler ();
2364 }
2365
2366 static void
2367 mini_thread_cleanup (MonoThread *thread)
2368 {
2369 MonoInternalThread *internal = thread->internal_thread;
2370 MonoJitTlsData *jit_tls = internal->jit_data;
2371
2372 if (jit_tls) {
2373 mono_debugger_thread_cleanup (jit_tls);
2374 mono_arch_free_jit_tls_data (jit_tls);
2375
2376 mono_free_altstack (jit_tls);
2377 g_free (jit_tls->first_lmf);
2378 g_free (jit_tls);
2379 internal->jit_data = NULL;
2380
2381 /* We can't clean up tls information if we are on another thread, it will clean up the wrong stuff
2382 * It would be nice to issue a warning when this happens outside of the shutdown sequence. but it's
2383 * not a trivial thing.
2384 *
2385 * The current offender is mono_thread_manage which cleanup threads from the outside.
2386 */
2387 if (internal == mono_thread_internal_current ()) {
2388 TlsSetValue (mono_jit_tls_id, NULL);
2389
2390 #ifdef HAVE_KW_THREAD
2391 mono_jit_tls = NULL;
2392 mono_lmf_addr = NULL;
2393 #if defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2394 mono_lmf = NULL;
2395 #endif
2396 #endif
2397 }
2398 }
2399 }
2400
2401 static MonoInst*
2402 mono_create_tls_get (MonoCompile *cfg, int offset)
2403 {
2404 #ifdef MONO_ARCH_HAVE_TLS_GET
2405 MonoInst* ins;
2406
2407 if (offset == -1)
2408 return NULL;
2409
2410 MONO_INST_NEW (cfg, ins, OP_TLS_GET);
2411 ins->dreg = mono_alloc_preg (cfg);
2412 ins->inst_offset = offset;
2413 return ins;
2414 #else
2415 return NULL;
2416 #endif
2417 }
2418
2419 MonoInst*
2420 mono_get_jit_tls_intrinsic (MonoCompile *cfg)
2421 {
2422 return mono_create_tls_get (cfg, mono_get_jit_tls_offset ());
2423 }
2424
2425 MonoInst*
2426 mono_get_domain_intrinsic (MonoCompile* cfg)
2427 {
2428 return mono_create_tls_get (cfg, mono_domain_get_tls_offset ());
2429 }
2430
2431 void
2432 mono_add_patch_info (MonoCompile *cfg, int ip, MonoJumpInfoType type, gconstpointer target)
2433 {
2434 MonoJumpInfo *ji = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfo));
2435
2436 ji->ip.i = ip;
2437 ji->type = type;
2438 ji->data.target = target;
2439 ji->next = cfg->patch_info;
2440
2441 cfg->patch_info = ji;
2442 }
2443
2444 MonoJumpInfo *
2445 mono_patch_info_list_prepend (MonoJumpInfo *list, int ip, MonoJumpInfoType type, gconstpointer target)
2446 {
2447 MonoJumpInfo *ji = g_new0 (MonoJumpInfo, 1);
2448
2449 ji->ip.i = ip;
2450 ji->type = type;
2451 ji->data.target = target;
2452 ji->next = list;
2453
2454 return ji;
2455 }
2456
2457 void
2458 mono_remove_patch_info (MonoCompile *cfg, int ip)
2459 {
2460 MonoJumpInfo **ji = &cfg->patch_info;
2461
2462 while (*ji) {
2463 if ((*ji)->ip.i == ip)
2464 *ji = (*ji)->next;
2465 else
2466 ji = &((*ji)->next);
2467 }
2468 }
2469
2470 /**
2471 * mono_patch_info_dup_mp:
2472 *
2473 * Make a copy of PATCH_INFO, allocating memory from the mempool MP.
2474 */
2475 MonoJumpInfo*
2476 mono_patch_info_dup_mp (MonoMemPool *mp, MonoJumpInfo *patch_info)
2477 {
2478 MonoJumpInfo *res = mono_mempool_alloc (mp, sizeof (MonoJumpInfo));
2479 memcpy (res, patch_info, sizeof (MonoJumpInfo));
2480
2481 switch (patch_info->type) {
2482 case MONO_PATCH_INFO_RVA:
2483 case MONO_PATCH_INFO_LDSTR:
2484 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
2485 case MONO_PATCH_INFO_LDTOKEN:
2486 case MONO_PATCH_INFO_DECLSEC:
2487 res->data.token = mono_mempool_alloc (mp, sizeof (MonoJumpInfoToken));
2488 memcpy (res->data.token, patch_info->data.token, sizeof (MonoJumpInfoToken));
2489 break;
2490 case MONO_PATCH_INFO_SWITCH:
2491 res->data.table = mono_mempool_alloc (mp, sizeof (MonoJumpInfoBBTable));
2492 memcpy (res->data.table, patch_info->data.table, sizeof (MonoJumpInfoBBTable));
2493 res->data.table->table = mono_mempool_alloc (mp, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
2494 memcpy (res->data.table->table, patch_info->data.table->table, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
2495 break;
2496 case MONO_PATCH_INFO_RGCTX_FETCH:
2497 res->data.rgctx_entry = mono_mempool_alloc (mp, sizeof (MonoJumpInfoRgctxEntry));
2498 memcpy (res->data.rgctx_entry, patch_info->data.rgctx_entry, sizeof (MonoJumpInfoRgctxEntry));
2499 res->data.rgctx_entry->data = mono_patch_info_dup_mp (mp, res->data.rgctx_entry->data);
2500 break;
2501 default:
2502 break;
2503 }
2504
2505 return res;
2506 }
2507
2508 guint
2509 mono_patch_info_hash (gconstpointer data)
2510 {
2511 const MonoJumpInfo *ji = (MonoJumpInfo*)data;
2512
2513 switch (ji->type) {
2514 case MONO_PATCH_INFO_RVA:
2515 case MONO_PATCH_INFO_LDSTR:
2516 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
2517 case MONO_PATCH_INFO_LDTOKEN:
2518 case MONO_PATCH_INFO_DECLSEC:
2519 return (ji->type << 8) | ji->data.token->token;
2520 case MONO_PATCH_INFO_INTERNAL_METHOD:
2521 return (ji->type << 8) | g_str_hash (ji->data.name);
2522 case MONO_PATCH_INFO_VTABLE:
2523 case MONO_PATCH_INFO_CLASS:
2524 case MONO_PATCH_INFO_IID:
2525 case MONO_PATCH_INFO_ADJUSTED_IID:
2526 case MONO_PATCH_INFO_CLASS_INIT:
2527 case MONO_PATCH_INFO_METHODCONST:
2528 case MONO_PATCH_INFO_METHOD:
2529 case MONO_PATCH_INFO_METHOD_JUMP:
2530 case MONO_PATCH_INFO_IMAGE:
2531 case MONO_PATCH_INFO_JIT_ICALL_ADDR:
2532 case MONO_PATCH_INFO_FIELD:
2533 case MONO_PATCH_INFO_SFLDA:
2534 case MONO_PATCH_INFO_SEQ_POINT_INFO:
2535 return (ji->type << 8) | (gssize)ji->data.target;
2536 default:
2537 return (ji->type << 8);
2538 }
2539 }
2540
2541 /*
2542 * mono_patch_info_equal:
2543 *
2544 * This might fail to recognize equivalent patches, i.e. floats, so its only
2545 * usable in those cases where this is not a problem, i.e. sharing GOT slots
2546 * in AOT.
2547 */
2548 gint
2549 mono_patch_info_equal (gconstpointer ka, gconstpointer kb)
2550 {
2551 const MonoJumpInfo *ji1 = (MonoJumpInfo*)ka;
2552 const MonoJumpInfo *ji2 = (MonoJumpInfo*)kb;
2553
2554 if (ji1->type != ji2->type)
2555 return 0;
2556
2557 switch (ji1->type) {
2558 case MONO_PATCH_INFO_RVA:
2559 case MONO_PATCH_INFO_LDSTR:
2560 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
2561 case MONO_PATCH_INFO_LDTOKEN:
2562 case MONO_PATCH_INFO_DECLSEC:
2563 if ((ji1->data.token->image != ji2->data.token->image) ||
2564 (ji1->data.token->token != ji2->data.token->token) ||
2565 (ji1->data.token->has_context != ji2->data.token->has_context) ||
2566 (ji1->data.token->context.class_inst != ji2->data.token->context.class_inst) ||
2567 (ji1->data.token->context.method_inst != ji2->data.token->context.method_inst))
2568 return 0;
2569 break;
2570 case MONO_PATCH_INFO_INTERNAL_METHOD:
2571 return g_str_equal (ji1->data.name, ji2->data.name);
2572
2573 case MONO_PATCH_INFO_RGCTX_FETCH: {
2574 MonoJumpInfoRgctxEntry *e1 = ji1->data.rgctx_entry;
2575 MonoJumpInfoRgctxEntry *e2 = ji2->data.rgctx_entry;
2576
2577 return e1->method == e2->method && e1->in_mrgctx == e2->in_mrgctx && e1->info_type == e2->info_type && mono_patch_info_equal (e1->data, e2->data);
2578 }
2579 default:
2580 if (ji1->data.target != ji2->data.target)
2581 return 0;
2582 break;
2583 }
2584
2585 return 1;
2586 }
2587
2588 gpointer
2589 mono_resolve_patch_target (MonoMethod *method, MonoDomain *domain, guint8 *code, MonoJumpInfo *patch_info, gboolean run_cctors)
2590 {
2591 unsigned char *ip = patch_info->ip.i + code;
2592 gconstpointer target = NULL;
2593
2594 switch (patch_info->type) {
2595 case MONO_PATCH_INFO_BB:
2596 /*
2597 * FIXME: This could be hit for methods without a prolog. Should use -1
2598 * but too much code depends on a 0 initial value.
2599 */
2600 //g_assert (patch_info->data.bb->native_offset);
2601 target = patch_info->data.bb->native_offset + code;
2602 break;
2603 case MONO_PATCH_INFO_ABS:
2604 target = patch_info->data.target;
2605 break;
2606 case MONO_PATCH_INFO_LABEL:
2607 target = patch_info->data.inst->inst_c0 + code;
2608 break;
2609 case MONO_PATCH_INFO_IP:
2610 target = ip;
2611 break;
2612 case MONO_PATCH_INFO_METHOD_REL:
2613 target = code + patch_info->data.offset;
2614 break;
2615 case MONO_PATCH_INFO_INTERNAL_METHOD: {
2616 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
2617 if (!mi) {
2618 g_warning ("unknown MONO_PATCH_INFO_INTERNAL_METHOD %s", patch_info->data.name);
2619 g_assert_not_reached ();
2620 }
2621 target = mono_icall_get_wrapper (mi);
2622 break;
2623 }
2624 case MONO_PATCH_INFO_METHOD_JUMP:
2625 target = mono_create_jump_trampoline (domain, patch_info->data.method, FALSE);
2626 break;
2627 case MONO_PATCH_INFO_METHOD:
2628 if (patch_info->data.method == method) {
2629 target = code;
2630 } else {
2631 /* get the trampoline to the method from the domain */
2632 target = mono_create_jit_trampoline (patch_info->data.method);
2633 }
2634 break;
2635 case MONO_PATCH_INFO_SWITCH: {
2636 gpointer *jump_table;
2637 int i;
2638
2639 if (method && method->dynamic) {
2640 jump_table = mono_code_manager_reserve (mono_dynamic_code_hash_lookup (domain, method)->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
2641 } else {
2642 if (mono_aot_only) {
2643 jump_table = mono_domain_alloc (domain, sizeof (gpointer) * patch_info->data.table->table_size);
2644 } else {
2645 jump_table = mono_domain_code_reserve (domain, sizeof (gpointer) * patch_info->data.table->table_size);
2646 }
2647 }
2648
2649 for (i = 0; i < patch_info->data.table->table_size; i++)
2650 jump_table [i] = code + GPOINTER_TO_INT (patch_info->data.table->table [i]);
2651 target = jump_table;
2652 break;
2653 }
2654 case MONO_PATCH_INFO_METHODCONST:
2655 case MONO_PATCH_INFO_CLASS:
2656 case MONO_PATCH_INFO_IMAGE:
2657 case MONO_PATCH_INFO_FIELD:
2658 target = patch_info->data.target;
2659 break;
2660 case MONO_PATCH_INFO_IID:
2661 mono_class_init (patch_info->data.klass);
2662 target = GINT_TO_POINTER ((int)patch_info->data.klass->interface_id);
2663 break;
2664 case MONO_PATCH_INFO_ADJUSTED_IID:
2665 mono_class_init (patch_info->data.klass);
2666 target = GINT_TO_POINTER ((int)(-((patch_info->data.klass->interface_id + 1) * SIZEOF_VOID_P)));
2667 break;
2668 case MONO_PATCH_INFO_VTABLE:
2669 target = mono_class_vtable (domain, patch_info->data.klass);
2670 g_assert (target);
2671 break;
2672 case MONO_PATCH_INFO_CLASS_INIT: {
2673 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.klass);
2674
2675 g_assert (vtable);
2676 target = mono_create_class_init_trampoline (vtable);
2677 break;
2678 }
2679 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
2680 target = mono_create_delegate_trampoline (patch_info->data.klass);
2681 break;
2682 case MONO_PATCH_INFO_SFLDA: {
2683 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.field->parent);
2684
2685 g_assert (vtable);
2686 if (!vtable->initialized && !(vtable->klass->flags & TYPE_ATTRIBUTE_BEFORE_FIELD_INIT) && (method && mono_class_needs_cctor_run (vtable->klass, method)))
2687 /* Done by the generated code */
2688 ;
2689 else {
2690 if (run_cctors)
2691 mono_runtime_class_init (vtable);
2692 }
2693 target = (char*)vtable->data + patch_info->data.field->offset;
2694 break;
2695 }
2696 case MONO_PATCH_INFO_RVA: {
2697 guint32 field_index = mono_metadata_token_index (patch_info->data.token->token);
2698 guint32 rva;
2699
2700 mono_metadata_field_info (patch_info->data.token->image, field_index - 1, NULL, &rva, NULL);
2701 target = mono_image_rva_map (patch_info->data.token->image, rva);
2702 break;
2703 }
2704 case MONO_PATCH_INFO_R4:
2705 case MONO_PATCH_INFO_R8:
2706 target = patch_info->data.target;
2707 break;
2708 case MONO_PATCH_INFO_EXC_NAME:
2709 target = patch_info->data.name;
2710 break;
2711 case MONO_PATCH_INFO_LDSTR:
2712 target =
2713 mono_ldstr (domain, patch_info->data.token->image,
2714 mono_metadata_token_index (patch_info->data.token->token));
2715 break;
2716 case MONO_PATCH_INFO_TYPE_FROM_HANDLE: {
2717 gpointer handle;
2718 MonoClass *handle_class;
2719
2720 handle = mono_ldtoken (patch_info->data.token->image,
2721 patch_info->data.token->token, &handle_class, patch_info->data.token->has_context ? &patch_info->data.token->context : NULL);
2722 mono_class_init (handle_class);
2723 mono_class_init (mono_class_from_mono_type (handle));
2724
2725 target =
2726 mono_type_get_object (domain, handle);
2727 break;
2728 }
2729 case MONO_PATCH_INFO_LDTOKEN: {
2730 gpointer handle;
2731 MonoClass *handle_class;
2732
2733 handle = mono_ldtoken (patch_info->data.token->image,
2734 patch_info->data.token->token, &handle_class, NULL);
2735 mono_class_init (handle_class);
2736
2737 target = handle;
2738 break;
2739 }
2740 case MONO_PATCH_INFO_DECLSEC:
2741 target = (mono_metadata_blob_heap (patch_info->data.token->image, patch_info->data.token->token) + 2);
2742 break;
2743 case MONO_PATCH_INFO_ICALL_ADDR:
2744 /* run_cctors == 0 -> AOT */
2745 if (patch_info->data.method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) {
2746 if (run_cctors) {
2747 target = mono_lookup_pinvoke_call (patch_info->data.method, NULL, NULL);
2748 if (!target)
2749 g_error ("Unable to resolve pinvoke method '%s' Re-run with MONO_LOG_LEVEL=debug for more information.\n", mono_method_full_name (patch_info->data.method, TRUE));
2750 } else {
2751 target = NULL;
2752 }
2753 } else {
2754 target = mono_lookup_internal_call (patch_info->data.method);
2755
2756 if (!target && run_cctors)
2757 g_error ("Unregistered icall '%s'\n", mono_method_full_name (patch_info->data.method, TRUE));
2758 }
2759 break;
2760 case MONO_PATCH_INFO_JIT_ICALL_ADDR: {
2761 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
2762 if (!mi) {
2763 g_warning ("unknown MONO_PATCH_INFO_JIT_ICALL_ADDR %s", patch_info->data.name);
2764 g_assert_not_reached ();
2765 }
2766 target = mi->func;
2767 break;
2768 }
2769 case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG:
2770 target = mono_thread_interruption_request_flag ();
2771 break;
2772 case MONO_PATCH_INFO_METHOD_RGCTX: {
2773 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.method->klass);
2774 g_assert (vtable);
2775
2776 target = mono_method_lookup_rgctx (vtable, mini_method_get_context (patch_info->data.method)->method_inst);
2777 break;
2778 }
2779 case MONO_PATCH_INFO_BB_OVF:
2780 case MONO_PATCH_INFO_EXC_OVF:
2781 case MONO_PATCH_INFO_GOT_OFFSET:
2782 case MONO_PATCH_INFO_NONE:
2783 break;
2784 case MONO_PATCH_INFO_RGCTX_FETCH: {
2785 MonoJumpInfoRgctxEntry *entry = patch_info->data.rgctx_entry;
2786 guint32 slot = -1;
2787
2788 switch (entry->data->type) {
2789 case MONO_PATCH_INFO_CLASS:
2790 slot = mono_method_lookup_or_register_other_info (entry->method, entry->in_mrgctx, &entry->data->data.klass->byval_arg, entry->info_type, mono_method_get_context (entry->method));
2791 break;
2792 case MONO_PATCH_INFO_METHOD:
2793 case MONO_PATCH_INFO_METHODCONST:
2794 slot = mono_method_lookup_or_register_other_info (entry->method, entry->in_mrgctx, entry->data->data.method, entry->info_type, mono_method_get_context (entry->method));
2795 break;
2796 case MONO_PATCH_INFO_FIELD:
2797 slot = mono_method_lookup_or_register_other_info (entry->method, entry->in_mrgctx, entry->data->data.field, entry->info_type, mono_method_get_context (entry->method));
2798 break;
2799 default:
2800 g_assert_not_reached ();
2801 break;
2802 }
2803
2804 target = mono_create_rgctx_lazy_fetch_trampoline (slot);
2805 break;
2806 }
2807 case MONO_PATCH_INFO_GENERIC_CLASS_INIT:
2808 target = mono_create_generic_class_init_trampoline ();
2809 break;
2810 case MONO_PATCH_INFO_MONITOR_ENTER:
2811 target = mono_create_monitor_enter_trampoline ();
2812 break;
2813 case MONO_PATCH_INFO_MONITOR_EXIT:
2814 target = mono_create_monitor_exit_trampoline ();
2815 break;
2816 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
2817 case MONO_PATCH_INFO_SEQ_POINT_INFO:
2818 if (!run_cctors)
2819 /* AOT, not needed */
2820 target = NULL;
2821 else
2822 target = mono_arch_get_seq_point_info (domain, code);
2823 break;
2824 #endif
2825 case MONO_PATCH_INFO_LLVM_IMT_TRAMPOLINE:
2826 #ifdef MONO_ARCH_LLVM_SUPPORTED
2827 g_assert (mono_use_llvm);
2828 target = mono_create_llvm_imt_trampoline (domain, patch_info->data.imt_tramp->method, patch_info->data.imt_tramp->vt_offset);
2829 #else
2830 g_assert_not_reached ();
2831 #endif
2832 break;
2833 default:
2834 g_assert_not_reached ();
2835 }
2836
2837 return (gpointer)target;
2838 }
2839
2840 void
2841 mono_add_seq_point (MonoCompile *cfg, MonoBasicBlock *bb, MonoInst *ins, int native_offset)
2842 {
2843 ins->inst_offset = native_offset;
2844 g_ptr_array_add (cfg->seq_points, ins);
2845 bb->seq_points = g_slist_prepend_mempool (cfg->mempool, bb->seq_points, ins);
2846 bb->last_seq_point = ins;
2847 }
2848
2849 static void
2850 mono_compile_create_vars (MonoCompile *cfg)
2851 {
2852 MonoMethodSignature *sig;
2853 MonoMethodHeader *header;
2854 int i;
2855
2856 header = mono_method_get_header (cfg->method);
2857
2858 sig = mono_method_signature (cfg->method);
2859
2860 if (!MONO_TYPE_IS_VOID (sig->ret)) {
2861 cfg->ret = mono_compile_create_var (cfg, sig->ret, OP_ARG);
2862 /* Inhibit optimizations */
2863 cfg->ret->flags |= MONO_INST_VOLATILE;
2864 }
2865 if (cfg->verbose_level > 2)
2866 g_print ("creating vars\n");
2867
2868 cfg->args = mono_mempool_alloc0 (cfg->mempool, (sig->param_count + sig->hasthis) * sizeof (MonoInst*));
2869
2870 if (sig->hasthis)
2871 cfg->args [0] = mono_compile_create_var (cfg, &cfg->method->klass->this_arg, OP_ARG);
2872
2873 for (i = 0; i < sig->param_count; ++i) {
2874 cfg->args [i + sig->hasthis] = mono_compile_create_var (cfg, sig->params [i], OP_ARG);
2875 }
2876
2877 if (cfg->verbose_level > 2) {
2878 if (cfg->ret) {
2879 printf ("\treturn : ");
2880 mono_print_ins (cfg->ret);
2881 }
2882
2883 if (sig->hasthis) {
2884 printf ("\tthis: ");
2885 mono_print_ins (cfg->args [0]);
2886 }
2887
2888 for (i = 0; i < sig->param_count; ++i) {
2889 printf ("\targ [%d]: ", i);
2890 mono_print_ins (cfg->args [i + sig->hasthis]);
2891 }
2892 }
2893
2894 cfg->locals_start = cfg->num_varinfo;
2895 cfg->locals = mono_mempool_alloc0 (cfg->mempool, header->num_locals * sizeof (MonoInst*));
2896
2897 if (cfg->verbose_level > 2)
2898 g_print ("creating locals\n");
2899
2900 for (i = 0; i < header->num_locals; ++i)
2901 cfg->locals [i] = mono_compile_create_var (cfg, header->locals [i], OP_LOCAL);
2902
2903 if (cfg->verbose_level > 2)
2904 g_print ("locals done\n");
2905
2906 mono_arch_create_vars (cfg);
2907 }
2908
2909 void
2910 mono_print_code (MonoCompile *cfg, const char* msg)
2911 {
2912 MonoBasicBlock *bb;
2913
2914 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
2915 mono_print_bb (bb, msg);
2916 }
2917
2918 #ifndef DISABLE_JIT
2919
2920 static void
2921 mono_postprocess_patches (MonoCompile *cfg)
2922 {
2923 MonoJumpInfo *patch_info;
2924 int i;
2925
2926 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next) {
2927 switch (patch_info->type) {
2928 case MONO_PATCH_INFO_ABS: {
2929 MonoJitICallInfo *info = mono_find_jit_icall_by_addr (patch_info->data.target);
2930
2931 /*
2932 * Change patches of type MONO_PATCH_INFO_ABS into patches describing the
2933 * absolute address.
2934 */
2935 if (info) {
2936 //printf ("TEST %s %p\n", info->name, patch_info->data.target);
2937 // FIXME: CLEAN UP THIS MESS.
2938 if ((cfg->method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) &&
2939 strstr (cfg->method->name, info->name)) {
2940 /*
2941 * This is an icall wrapper, and this is a call to the
2942 * wrapped function.
2943 */
2944 if (cfg->compile_aot) {
2945 patch_info->type = MONO_PATCH_INFO_JIT_ICALL_ADDR;
2946 patch_info->data.name = info->name;
2947 }
2948 } else {
2949 /* for these array methods we currently register the same function pointer
2950 * since it's a vararg function. But this means that mono_find_jit_icall_by_addr ()
2951 * will return the incorrect one depending on the order they are registered.
2952 * See tests/test-arr.cs
2953 */
2954 if (strstr (info->name, "ves_array_new_va_") == NULL && strstr (info->name, "ves_array_element_address_") == NULL) {
2955 patch_info->type = MONO_PATCH_INFO_INTERNAL_METHOD;
2956 patch_info->data.name = info->name;
2957 }
2958 }
2959 }
2960
2961 if (patch_info->type == MONO_PATCH_INFO_ABS) {
2962 if (cfg->abs_patches) {
2963 MonoJumpInfo *abs_ji = g_hash_table_lookup (cfg->abs_patches, patch_info->data.target);
2964 if (abs_ji) {
2965 patch_info->type = abs_ji->type;
2966 patch_info->data.target = abs_ji->data.target;
2967 }
2968 }
2969 }
2970
2971 break;
2972 }
2973 case MONO_PATCH_INFO_SWITCH: {
2974 gpointer *table;
2975 if (cfg->method->dynamic) {
2976 table = mono_code_manager_reserve (cfg->dynamic_info->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
2977 } else {
2978 table = mono_domain_code_reserve (cfg->domain, sizeof (gpointer) * patch_info->data.table->table_size);
2979 }
2980
2981 for (i = 0; i < patch_info->data.table->table_size; i++) {
2982 /* Might be NULL if the switch is eliminated */
2983 if (patch_info->data.table->table [i]) {
2984 g_assert (patch_info->data.table->table [i]->native_offset);
2985 table [i] = GINT_TO_POINTER (patch_info->data.table->table [i]->native_offset);
2986 } else {
2987 table [i] = NULL;
2988 }
2989 }
2990 patch_info->data.table->table = (MonoBasicBlock**)table;
2991 break;
2992 }
2993 case MONO_PATCH_INFO_METHOD_JUMP: {
2994 GSList *list;
2995 MonoDomain *domain = cfg->domain;
2996 unsigned char *ip = cfg->native_code + patch_info->ip.i;
2997
2998 mono_domain_lock (domain);
2999 if (!domain_jit_info (domain)->jump_target_hash)
3000 domain_jit_info (domain)->jump_target_hash = g_hash_table_new (NULL, NULL);
3001 list = g_hash_table_lookup (domain_jit_info (domain)->jump_target_hash, patch_info->data.method);
3002 list = g_slist_prepend (list, ip);
3003 g_hash_table_insert (domain_jit_info (domain)->jump_target_hash, patch_info->data.method, list);
3004 mono_domain_unlock (domain);
3005 break;
3006 }
3007 default:
3008 /* do nothing */
3009 break;
3010 }
3011 }
3012 }
3013
3014 static void
3015 mono_save_seq_point_info (MonoCompile *cfg)
3016 {
3017 MonoBasicBlock *bb, *in_bb;
3018 GSList *bb_seq_points, *l;
3019 MonoInst *last;
3020 MonoDomain *domain = cfg->domain;
3021 int i;
3022 MonoSeqPointInfo *info;
3023 GSList **next;
3024
3025 if (!cfg->seq_points)
3026 return;
3027
3028 info = g_malloc0 (sizeof (MonoSeqPointInfo) + (cfg->seq_points->len - MONO_ZERO_LEN_ARRAY) * sizeof (SeqPoint));
3029 info->len = cfg->seq_points->len;
3030 for (i = 0; i < cfg->seq_points->len; ++i) {
3031 SeqPoint *sp = &info->seq_points [i];
3032 MonoInst *ins = g_ptr_array_index (cfg->seq_points, i);
3033
3034 sp->il_offset = ins->inst_imm;
3035 sp->native_offset = ins->inst_offset;
3036
3037 /* Used below */
3038 ins->backend.size = i;
3039 }
3040
3041 /*
3042 * For each sequence point, compute the list of sequence points immediately
3043 * following it, this is needed to implement 'step over' in the debugger agent.
3044 */
3045 next = g_new0 (GSList*, cfg->seq_points->len);
3046 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3047 bb_seq_points = g_slist_reverse (bb->seq_points);
3048 last = NULL;
3049 for (l = bb_seq_points; l; l = l->next) {
3050 MonoInst *ins = l->data;
3051
3052 if (!(ins->flags & MONO_INST_SINGLE_STEP_LOC))
3053 continue;
3054
3055 if (last != NULL) {
3056 /* Link with the previous seq point in the same bb */
3057 next [last->backend.size] = g_slist_append (next [last->backend.size], GUINT_TO_POINTER (ins->backend.size));
3058 } else {
3059 /* Link with the last bb in the previous bblocks */
3060 /*
3061 * FIXME: What if the prev bb doesn't have a seq point, but
3062 * one of its predecessors has ?
3063 */
3064 for (i = 0; i < bb->in_count; ++i) {
3065 in_bb = bb->in_bb [i];
3066
3067 if (in_bb->last_seq_point)
3068 next [in_bb->last_seq_point->backend.size] = g_slist_append (next [in_bb->last_seq_point->backend.size], GUINT_TO_POINTER (ins->backend.size));
3069 }
3070 }
3071
3072 last = ins;
3073 }
3074 }
3075
3076 for (i = 0; i < cfg->seq_points->len; ++i) {
3077 SeqPoint *sp = &info->seq_points [i];
3078 GSList *l;
3079 int j;
3080
3081 sp->next_len = g_slist_length (next [i]);
3082 sp->next = g_new (int, sp->next_len);
3083 j = 0;
3084 for (l = next [i]; l; l = l->next)
3085 sp->next [j ++] = GPOINTER_TO_UINT (l->data);
3086 g_slist_free (next [i]);
3087 }
3088 g_free (next);
3089
3090 cfg->seq_point_info = info;
3091
3092 // FIXME: dynamic methods
3093 mono_domain_lock (domain);
3094 g_hash_table_insert (domain_jit_info (domain)->seq_points, cfg->method_to_register, info);
3095 mono_domain_unlock (domain);
3096
3097 g_ptr_array_free (cfg->seq_points, TRUE);
3098 cfg->seq_points = NULL;
3099 }
3100
3101 void
3102 mono_codegen (MonoCompile *cfg)
3103 {
3104 MonoBasicBlock *bb;
3105 int max_epilog_size;
3106 guint8 *code;
3107
3108 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3109 cfg->spill_count = 0;
3110 /* we reuse dfn here */
3111 /* bb->dfn = bb_count++; */
3112
3113 mono_arch_lowering_pass (cfg, bb);
3114
3115 if (cfg->opt & MONO_OPT_PEEPHOLE)
3116 mono_arch_peephole_pass_1 (cfg, bb);
3117
3118 if (!cfg->globalra)
3119 mono_local_regalloc (cfg, bb);
3120
3121 if (cfg->opt & MONO_OPT_PEEPHOLE)
3122 mono_arch_peephole_pass_2 (cfg, bb);
3123 }
3124
3125 if (cfg->prof_options & MONO_PROFILE_COVERAGE)
3126 cfg->coverage_info = mono_profiler_coverage_alloc (cfg->method, cfg->num_bblocks);
3127
3128 code = mono_arch_emit_prolog (cfg);
3129
3130 if (cfg->prof_options & MONO_PROFILE_ENTER_LEAVE)
3131 code = mono_arch_instrument_prolog (cfg, mono_profiler_method_enter, code, FALSE);
3132
3133 cfg->code_len = code - cfg->native_code;
3134 cfg->prolog_end = cfg->code_len;
3135
3136 mono_debug_open_method (cfg);
3137
3138 /* emit code all basic blocks */
3139 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3140 bb->native_offset = cfg->code_len;
3141 //if ((bb == cfg->bb_entry) || !(bb->region == -1 && !bb->dfn))
3142 mono_arch_output_basic_block (cfg, bb);
3143
3144 if (bb == cfg->bb_exit) {
3145 cfg->epilog_begin = cfg->code_len;
3146
3147 if (cfg->prof_options & MONO_PROFILE_ENTER_LEAVE) {
3148 code = cfg->native_code + cfg->code_len;
3149 code = mono_arch_instrument_epilog (cfg, mono_profiler_method_leave, code, FALSE);
3150 cfg->code_len = code - cfg->native_code;
3151 g_assert (cfg->code_len < cfg->code_size);
3152 }
3153
3154 mono_arch_emit_epilog (cfg);
3155 }
3156 }
3157
3158 mono_arch_emit_exceptions (cfg);
3159
3160 max_epilog_size = 0;
3161
3162 code = cfg->native_code + cfg->code_len;
3163
3164 /* we always allocate code in cfg->domain->code_mp to increase locality */
3165 cfg->code_size = cfg->code_len + max_epilog_size;
3166 /* fixme: align to MONO_ARCH_CODE_ALIGNMENT */
3167
3168 if (cfg->method->dynamic) {
3169 guint unwindlen = 0;
3170 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
3171 unwindlen = mono_arch_unwindinfo_get_size (cfg->arch.unwindinfo);
3172 #endif
3173 /* Allocate the code into a separate memory pool so it can be freed */
3174 cfg->dynamic_info = g_new0 (MonoJitDynamicMethodInfo, 1);
3175 cfg->dynamic_info->code_mp = mono_code_manager_new_dynamic ();
3176 mono_domain_lock (cfg->domain);
3177 mono_dynamic_code_hash_insert (cfg->domain, cfg->method, cfg->dynamic_info);
3178 mono_domain_unlock (cfg->domain);
3179
3180 code = mono_code_manager_reserve (cfg->dynamic_info->code_mp, cfg->code_size + unwindlen);
3181 } else {
3182 guint unwindlen = 0;
3183 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
3184 unwindlen = mono_arch_unwindinfo_get_size (cfg->arch.unwindinfo);
3185 #endif
3186 code = mono_domain_code_reserve (cfg->domain, cfg->code_size + unwindlen);
3187 }
3188
3189 memcpy (code, cfg->native_code, cfg->code_len);
3190 g_free (cfg->native_code);
3191 cfg->native_code = code;
3192 code = cfg->native_code + cfg->code_len;
3193
3194 /* g_assert (((int)cfg->native_code & (MONO_ARCH_CODE_ALIGNMENT - 1)) == 0); */
3195 mono_postprocess_patches (cfg);
3196
3197 #ifdef VALGRIND_JIT_REGISTER_MAP
3198 if (valgrind_register){
3199 char* nm = mono_method_full_name (cfg->method, TRUE);
3200 VALGRIND_JIT_REGISTER_MAP (nm, cfg->native_code, cfg->native_code + cfg->code_len);
3201 g_free (nm);
3202 }
3203 #endif
3204
3205 if (cfg->verbose_level > 0) {
3206 char* nm = mono_method_full_name (cfg->method, TRUE);
3207 g_print ("Method %s emitted at %p to %p (code length %d) [%s]\n",
3208 nm,
3209 cfg->native_code, cfg->native_code + cfg->code_len, cfg->code_len, cfg->domain->friendly_name);
3210 g_free (nm);
3211 }
3212
3213 {
3214 gboolean is_generic = FALSE;
3215
3216 if (cfg->method->is_inflated || mono_method_get_generic_container (cfg->method) ||
3217 cfg->method->klass->generic_container || cfg->method->klass->generic_class) {
3218 is_generic = TRUE;
3219 }
3220
3221 if (cfg->generic_sharing_context)
3222 g_assert (is_generic);
3223 }
3224
3225 #ifdef MONO_ARCH_HAVE_SAVE_UNWIND_INFO
3226 mono_arch_save_unwind_info (cfg);
3227 #endif
3228
3229 mono_arch_patch_code (cfg->method, cfg->domain, cfg->native_code, cfg->patch_info, cfg->run_cctors);
3230
3231 if (cfg->method->dynamic) {
3232 mono_code_manager_commit (cfg->dynamic_info->code_mp, cfg->native_code, cfg->code_size, cfg->code_len);
3233 } else {
3234 mono_domain_code_commit (cfg->domain, cfg->native_code, cfg->code_size, cfg->code_len);
3235 }
3236 mono_profiler_code_buffer_new (cfg->native_code, cfg->code_len, MONO_PROFILER_CODE_BUFFER_METHOD, cfg->method);
3237
3238 mono_arch_flush_icache (cfg->native_code, cfg->code_len);
3239
3240 mono_debug_close_method (cfg);
3241
3242 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
3243 mono_arch_unwindinfo_install_unwind_info (&cfg->arch.unwindinfo, cfg->native_code, cfg->code_len);
3244 #endif
3245 }
3246
3247 static void
3248 compute_reachable (MonoBasicBlock *bb)
3249 {
3250 int i;
3251
3252 if (!(bb->flags & BB_VISITED)) {
3253 bb->flags |= BB_VISITED;
3254 for (i = 0; i < bb->out_count; ++i)
3255 compute_reachable (bb->out_bb [i]);
3256 }
3257 }
3258
3259 /*
3260 * mini_method_compile:
3261 * @method: the method to compile
3262 * @opts: the optimization flags to use
3263 * @domain: the domain where the method will be compiled in
3264 * @run_cctors: whether we should run type ctors if possible
3265 * @compile_aot: whether this is an AOT compilation
3266 * @parts: debug flag
3267 *
3268 * Returns: a MonoCompile* pointer. Caller must check the exception_type
3269 * field in the returned struct to see if compilation succeded.
3270 */
3271 MonoCompile*
3272 mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, gboolean run_cctors, gboolean compile_aot, int parts)
3273 {
3274 MonoMethodHeader *header;
3275 guint8 *ip;
3276 MonoCompile *cfg;
3277 MonoJitInfo *jinfo;
3278 int dfn, i, code_size_ratio;
3279 gboolean deadce_has_run = FALSE;
3280 gboolean try_generic_shared, try_llvm;
3281 MonoMethod *method_to_compile, *method_to_register;
3282 int generic_info_size;
3283
3284 mono_jit_stats.methods_compiled++;
3285 if (mono_profiler_get_events () & MONO_PROFILE_JIT_COMPILATION)
3286 mono_profiler_method_jit (method);
3287 if (MONO_PROBE_METHOD_COMPILE_BEGIN_ENABLED ())
3288 MONO_PROBE_METHOD_COMPILE_BEGIN (method);
3289
3290 if (compile_aot)
3291 /* We are passed the original generic method definition */
3292 try_generic_shared = mono_class_generic_sharing_enabled (method->klass) &&
3293 (opts & MONO_OPT_GSHARED) && (method->is_generic || method->klass->generic_container);
3294 else
3295 try_generic_shared = mono_class_generic_sharing_enabled (method->klass) &&
3296 (opts & MONO_OPT_GSHARED) && mono_method_is_generic_sharable_impl (method, FALSE);
3297
3298 if (opts & MONO_OPT_GSHARED) {
3299 if (try_generic_shared)
3300 mono_stats.generics_sharable_methods++;
3301 else if (mono_method_is_generic_impl (method))
3302 mono_stats.generics_unsharable_methods++;
3303 }
3304
3305 try_llvm = TRUE;
3306
3307 #ifndef ENABLE_LLVM
3308 try_llvm = FALSE;
3309 #endif
3310
3311 restart_compile:
3312 if (try_generic_shared) {
3313 MonoMethod *declaring_method;
3314 MonoGenericContext *shared_context;
3315
3316 if (compile_aot) {
3317 declaring_method = method;
3318 } else {
3319 declaring_method = mono_method_get_declaring_generic_method (method);
3320 if (method->klass->generic_class)
3321 g_assert (method->klass->generic_class->container_class == declaring_method->klass);
3322 else
3323 g_assert (method->klass == declaring_method->klass);
3324 }
3325
3326 if (declaring_method->is_generic)
3327 shared_context = &(mono_method_get_generic_container (declaring_method)->context);
3328 else
3329 shared_context = &declaring_method->klass->generic_container->context;
3330
3331 method_to_compile = mono_class_inflate_generic_method (declaring_method, shared_context);
3332 g_assert (method_to_compile);
3333 } else {
3334 method_to_compile = method;
3335 }
3336
3337 cfg = g_new0 (MonoCompile, 1);
3338 cfg->method = method_to_compile;
3339 cfg->mempool = mono_mempool_new ();
3340 cfg->opt = opts;
3341 cfg->prof_options = mono_profiler_get_events ();
3342 cfg->run_cctors = run_cctors;
3343 cfg->domain = domain;
3344 cfg->verbose_level = mini_verbose;
3345 cfg->compile_aot = compile_aot;
3346 cfg->skip_visibility = method->skip_visibility;
3347 cfg->orig_method = method;
3348 cfg->gen_seq_points = debug_options.gen_seq_points;
3349 cfg->explicit_null_checks = debug_options.explicit_null_checks;
3350 if (try_generic_shared)
3351 cfg->generic_sharing_context = (MonoGenericSharingContext*)&cfg->generic_sharing_context;
3352 cfg->compile_llvm = try_llvm;
3353 cfg->token_info_hash = g_hash_table_new (NULL, NULL);
3354
3355 if (cfg->gen_seq_points)
3356 cfg->seq_points = g_ptr_array_new ();
3357
3358 if (cfg->compile_aot && !try_generic_shared && (method->is_generic || method->klass->generic_container)) {
3359 cfg->exception_type = MONO_EXCEPTION_GENERIC_SHARING_FAILED;
3360 return cfg;
3361 }
3362
3363 if (cfg->generic_sharing_context) {
3364 MonoGenericContext object_context = mono_method_construct_object_context (method_to_compile);
3365
3366 method_to_register = mono_class_inflate_generic_method (method_to_compile, &object_context);
3367 } else {
3368 g_assert (method == method_to_compile);
3369 method_to_register = method;
3370 }
3371 cfg->method_to_register = method_to_register;
3372
3373 /* No way to obtain the location info for 'this' */
3374 if (try_generic_shared) {
3375 cfg->exception_message = g_strdup ("gshared");
3376 cfg->disable_llvm = TRUE;
3377 }
3378
3379 if (cfg->method->save_lmf) {
3380 cfg->exception_message = g_strdup ("lmf");
3381 cfg->disable_llvm = TRUE;
3382 }
3383
3384 /* FIXME: */
3385 if (cfg->method->dynamic) {
3386 cfg->exception_message = g_strdup ("dynamic.");
3387 cfg->disable_llvm = TRUE;
3388 }
3389
3390 header = mono_method_get_header (method_to_compile);
3391 if (!header) {
3392 MonoLoaderError *error;
3393
3394 if ((error = mono_loader_get_last_error ())) {
3395 cfg->exception_type = error->exception_type;
3396 } else {
3397 cfg->exception_type = MONO_EXCEPTION_INVALID_PROGRAM;
3398 cfg->exception_message = g_strdup_printf ("Missing or incorrect header for method %s", cfg->method->name);
3399 }
3400 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
3401 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
3402 return cfg;
3403 }
3404
3405 if (header->clauses) {
3406 /*
3407 * Cannot be enabled until LLVM supports implicit exceptions, or we use
3408 * explicit checks, or we disable this for methods which might throw implicit
3409 * exceptions inside clauses.
3410 */
3411 cfg->exception_message = g_strdup ("clauses");
3412 cfg->disable_llvm = TRUE;
3413 }
3414
3415 #ifdef ENABLE_LLVM
3416 {
3417 static gboolean inited;
3418
3419 if (!inited) {
3420 mono_counters_register ("Methods JITted using LLVM", MONO_COUNTER_JIT | MONO_COUNTER_INT, &methods_with_llvm);
3421 mono_counters_register ("Methods JITted using mono JIT", MONO_COUNTER_JIT | MONO_COUNTER_INT, &methods_without_llvm);
3422 inited = TRUE;
3423 }
3424
3425 /*
3426 * Check for methods which cannot be compiled by LLVM early, to avoid
3427 * the extra compilation pass.
3428 */
3429 if (COMPILE_LLVM (cfg) && cfg->disable_llvm) {
3430 if (cfg->verbose_level >= 1) {
3431 //nm = mono_method_full_name (cfg->method, TRUE);
3432 printf ("LLVM failed for '%s': %s\n", method->name, cfg->exception_message);
3433 //g_free (nm);
3434 }
3435 InterlockedIncrement (&methods_without_llvm);
3436 mono_destroy_compile (cfg);
3437 try_llvm = FALSE;
3438 goto restart_compile;
3439 }
3440 }
3441 #endif
3442
3443 /* The debugger has no liveness information, so avoid sharing registers/stack slots */
3444 if (mono_debug_using_mono_debugger () || debug_options.mdb_optimizations) {
3445 cfg->disable_reuse_registers = TRUE;
3446 cfg->disable_reuse_stack_slots = TRUE;
3447 /*
3448 * This decreases the change the debugger will read registers/stack slots which are
3449 * not yet initialized.
3450 */
3451 cfg->disable_initlocals_opt = TRUE;
3452
3453 cfg->extend_live_ranges = TRUE;
3454
3455 /* Temporarily disable this when running in the debugger until we have support
3456 * for this in the debugger. */
3457 cfg->disable_omit_fp = TRUE;
3458
3459 /* The debugger needs all locals to be on the stack or in a global register */
3460 cfg->disable_vreg_to_lvreg = TRUE;
3461
3462 /* Don't remove unused variables when running inside the debugger since the user
3463 * may still want to view them. */
3464 cfg->disable_deadce_vars = TRUE;
3465
3466 // cfg->opt |= MONO_OPT_SHARED;
3467 cfg->opt &= ~MONO_OPT_DEADCE;
3468 cfg->opt &= ~MONO_OPT_INLINE;
3469 cfg->opt &= ~MONO_OPT_COPYPROP;
3470 cfg->opt &= ~MONO_OPT_CONSPROP;
3471 cfg->opt &= ~MONO_OPT_GSHARED;
3472 }
3473
3474 if (mono_using_xdebug) {
3475 /*
3476 * Make each variable use its own register/stack slot and extend
3477 * their liveness to cover the whole method, making them displayable
3478 * in gdb even after they are dead.
3479 */
3480 cfg->disable_reuse_registers = TRUE;
3481 cfg->disable_reuse_stack_slots = TRUE;
3482 cfg->extend_live_ranges = TRUE;
3483 }
3484
3485 if (COMPILE_LLVM (cfg)) {
3486 cfg->opt |= MONO_OPT_ABCREM;
3487 }
3488
3489 if (getenv ("MONO_VERBOSE_METHOD")) {
3490 if (strcmp (cfg->method->name, getenv ("MONO_VERBOSE_METHOD")) == 0)
3491 cfg->verbose_level = 4;
3492 }
3493
3494 ip = (guint8 *)header->code;
3495
3496 cfg->intvars = mono_mempool_alloc0 (cfg->mempool, sizeof (guint16) * STACK_MAX * header->max_stack);
3497
3498 if (cfg->verbose_level > 0) {
3499 if (COMPILE_LLVM (cfg))
3500 g_print ("converting llvm method %s\n", mono_method_full_name (method, TRUE));
3501 else if (cfg->generic_sharing_context)
3502 g_print ("converting shared method %s\n", mono_method_full_name (method, TRUE));
3503 else
3504 g_print ("converting method %s\n", mono_method_full_name (method, TRUE));
3505 }
3506
3507 if (cfg->opt & (MONO_OPT_ABCREM | MONO_OPT_SSAPRE))
3508 cfg->opt |= MONO_OPT_SSA;
3509
3510 /*
3511 if ((cfg->method->klass->image != mono_defaults.corlib) || (strstr (cfg->method->klass->name, "StackOverflowException") && strstr (cfg->method->name, ".ctor")) || (strstr (cfg->method->klass->name, "OutOfMemoryException") && strstr (cfg->method->name, ".ctor")))
3512 cfg->globalra = TRUE;
3513 */
3514
3515 //cfg->globalra = TRUE;
3516
3517 //if (!strcmp (cfg->method->klass->name, "Tests") && !cfg->method->wrapper_type)
3518 // cfg->globalra = TRUE;
3519
3520 {
3521 static int count = 0;
3522 count ++;
3523
3524 /*
3525 if (getenv ("COUNT2")) {
3526 cfg->globalra = TRUE;
3527 if (count == atoi (getenv ("COUNT2")))
3528 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
3529 if (count > atoi (getenv ("COUNT2")))
3530 cfg->globalra = FALSE;
3531 }
3532 */
3533 }
3534
3535 if (header->clauses)
3536 cfg->globalra = FALSE;
3537
3538 if (cfg->method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED)
3539 /* The code in the prolog clobbers caller saved registers */
3540 cfg->globalra = FALSE;
3541
3542 // FIXME: Disable globalra in case of tracing/profiling
3543
3544 if (cfg->method->save_lmf)
3545 /* The LMF saving code might clobber caller saved registers */
3546 cfg->globalra = FALSE;
3547
3548 if (header->code_size > 5000)
3549 // FIXME:
3550 /* Too large bblocks could overflow the ins positions */
3551 cfg->globalra = FALSE;
3552
3553 cfg->rs = mono_regstate_new ();
3554 if (cfg->globalra)
3555 cfg->rs->next_vreg = MONO_MAX_IREGS + MONO_MAX_FREGS;
3556 cfg->next_vreg = cfg->rs->next_vreg;
3557
3558 /* FIXME: Fix SSA to handle branches inside bblocks */
3559 if (cfg->opt & MONO_OPT_SSA)
3560 cfg->enable_extended_bblocks = FALSE;
3561
3562 /*
3563 * FIXME: This confuses liveness analysis because variables which are assigned after
3564 * a branch inside a bblock become part of the kill set, even though the assignment
3565 * might not get executed. This causes the optimize_initlocals pass to delete some
3566 * assignments which are needed.
3567 * Also, the mono_if_conversion pass needs to be modified to recognize the code
3568 * created by this.
3569 */
3570 //cfg->enable_extended_bblocks = TRUE;
3571
3572 /*
3573 * create MonoInst* which represents arguments and local variables
3574 */
3575 mono_compile_create_vars (cfg);
3576
3577 /* SSAPRE is not supported on linear IR */
3578 cfg->opt &= ~MONO_OPT_SSAPRE;
3579
3580 i = mono_method_to_ir (cfg, method_to_compile, NULL, NULL, NULL, NULL, NULL, 0, FALSE);
3581
3582 if (i < 0) {
3583 if (try_generic_shared && cfg->exception_type == MONO_EXCEPTION_GENERIC_SHARING_FAILED) {
3584 if (compile_aot) {
3585 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
3586 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
3587 return cfg;
3588 }
3589 mono_destroy_compile (cfg);
3590 try_generic_shared = FALSE;
3591 goto restart_compile;
3592 }
3593 g_assert (cfg->exception_type != MONO_EXCEPTION_GENERIC_SHARING_FAILED);
3594
3595 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
3596 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
3597 /* cfg contains the details of the failure, so let the caller cleanup */
3598 return cfg;
3599 }
3600
3601 mono_jit_stats.basic_blocks += cfg->num_bblocks;
3602 mono_jit_stats.max_basic_blocks = MAX (cfg->num_bblocks, mono_jit_stats.max_basic_blocks);
3603
3604 if (COMPILE_LLVM (cfg)) {
3605 MonoInst *ins;
3606
3607 /* The IR has to be in SSA form for LLVM */
3608 cfg->opt |= MONO_OPT_SSA;
3609
3610 // FIXME:
3611 if (cfg->ret) {
3612 // Allow SSA on the result value
3613 cfg->ret->flags &= ~MONO_INST_VOLATILE;
3614
3615 // Add an explicit return instruction referencing the return value
3616 MONO_INST_NEW (cfg, ins, OP_SETRET);
3617 ins->sreg1 = cfg->ret->dreg;
3618
3619 MONO_ADD_INS (cfg->bb_exit, ins);
3620 }
3621
3622 cfg->opt &= ~MONO_OPT_LINEARS;
3623
3624 /* FIXME: */
3625 cfg->opt &= ~MONO_OPT_BRANCH;
3626 }
3627
3628 /* todo: remove code when we have verified that the liveness for try/catch blocks
3629 * works perfectly
3630 */
3631 /*
3632 * Currently, this can't be commented out since exception blocks are not
3633 * processed during liveness analysis.
3634 * It is also needed, because otherwise the local optimization passes would
3635 * delete assignments in cases like this:
3636 * r1 <- 1
3637 * <something which throws>
3638 * r1 <- 2
3639 * This also allows SSA to be run on methods containing exception clauses, since
3640 * SSA will ignore variables marked VOLATILE.
3641 */
3642 mono_liveness_handle_exception_clauses (cfg);
3643
3644 /*g_print ("numblocks = %d\n", cfg->num_bblocks);*/
3645
3646 if (!COMPILE_LLVM (cfg))
3647 mono_decompose_long_opts (cfg);
3648
3649 /* Should be done before branch opts */
3650 if (cfg->opt & (MONO_OPT_CONSPROP | MONO_OPT_COPYPROP))
3651 mono_local_cprop (cfg);
3652
3653 if (cfg->opt & MONO_OPT_BRANCH)
3654 mono_optimize_branches (cfg);
3655
3656 /* This must be done _before_ global reg alloc and _after_ decompose */
3657 mono_handle_global_vregs (cfg);
3658 if (cfg->opt & MONO_OPT_DEADCE)
3659 mono_local_deadce (cfg);
3660 /* Disable this for LLVM to make the IR easier to handle */
3661 if (!COMPILE_LLVM (cfg))
3662 mono_if_conversion (cfg);
3663
3664 if ((cfg->opt & MONO_OPT_SSAPRE) || cfg->globalra)
3665 mono_remove_critical_edges (cfg);
3666
3667 /* Depth-first ordering on basic blocks */
3668 cfg->bblocks = mono_mempool_alloc (cfg->mempool, sizeof (MonoBasicBlock*) * (cfg->num_bblocks + 1));
3669
3670 cfg->max_block_num = cfg->num_bblocks;
3671
3672 dfn = 0;
3673 df_visit (cfg->bb_entry, &dfn, cfg->bblocks);
3674 if (cfg->num_bblocks != dfn + 1) {
3675 MonoBasicBlock *bb;
3676
3677 cfg->num_bblocks = dfn + 1;
3678
3679 /* remove unreachable code, because the code in them may be
3680 * inconsistent (access to dead variables for example) */
3681 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
3682 bb->flags &= ~BB_VISITED;
3683 compute_reachable (cfg->bb_entry);
3684 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
3685 if (bb->flags & BB_EXCEPTION_HANDLER)
3686 compute_reachable (bb);
3687 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3688 if (!(bb->flags & BB_VISITED)) {
3689 if (cfg->verbose_level > 1)
3690 g_print ("found unreachable code in BB%d\n", bb->block_num);
3691 bb->code = bb->last_ins = NULL;
3692 while (bb->out_count)
3693 mono_unlink_bblock (cfg, bb, bb->out_bb [0]);
3694 }
3695 }
3696 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
3697 bb->flags &= ~BB_VISITED;
3698 }
3699
3700 if (((cfg->num_varinfo > 2000) || (cfg->num_bblocks > 1000)) && !cfg->compile_aot) {
3701 /*
3702 * we disable some optimizations if there are too many variables
3703 * because JIT time may become too expensive. The actual number needs
3704 * to be tweaked and eventually the non-linear algorithms should be fixed.
3705 */
3706 cfg->opt &= ~ (MONO_OPT_LINEARS | MONO_OPT_COPYPROP | MONO_OPT_CONSPROP);
3707 cfg->disable_ssa = TRUE;
3708 }
3709
3710 if (cfg->opt & MONO_OPT_LOOP) {
3711 mono_compile_dominator_info (cfg, MONO_COMP_DOM | MONO_COMP_IDOM);
3712 mono_compute_natural_loops (cfg);
3713 }
3714
3715 /* after method_to_ir */
3716 if (parts == 1) {
3717 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
3718 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
3719 return cfg;
3720 }
3721
3722 /*
3723 if (header->num_clauses)
3724 cfg->disable_ssa = TRUE;
3725 */
3726
3727 //#define DEBUGSSA "logic_run"
3728 #define DEBUGSSA_CLASS "Tests"
3729 #ifdef DEBUGSSA
3730
3731 if (!cfg->disable_ssa) {
3732 mono_local_cprop (cfg);
3733
3734 #ifndef DISABLE_SSA
3735 mono_ssa_compute (cfg);
3736 #endif
3737 }
3738 #else
3739 if (cfg->opt & MONO_OPT_SSA) {
3740 if (!(cfg->comp_done & MONO_COMP_SSA) && !cfg->disable_ssa) {
3741 #ifndef DISABLE_SSA
3742 mono_ssa_compute (cfg);
3743 #endif
3744
3745 if (cfg->verbose_level >= 2) {
3746 print_dfn (cfg);
3747 }
3748 }
3749 }
3750 #endif
3751
3752 /* after SSA translation */
3753 if (parts == 2) {
3754 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
3755 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
3756 return cfg;
3757 }
3758
3759 if ((cfg->opt & MONO_OPT_CONSPROP) || (cfg->opt & MONO_OPT_COPYPROP)) {
3760 if (cfg->comp_done & MONO_COMP_SSA && !COMPILE_LLVM (cfg)) {
3761 #ifndef DISABLE_SSA
3762 mono_ssa_cprop (cfg);
3763 #endif
3764 }
3765 }
3766
3767 #ifndef DISABLE_SSA
3768 if (cfg->comp_done & MONO_COMP_SSA && !COMPILE_LLVM (cfg)) {
3769 //mono_ssa_strength_reduction (cfg);
3770
3771 if (cfg->opt & MONO_OPT_SSAPRE) {
3772 mono_perform_ssapre (cfg);
3773 //mono_local_cprop (cfg);
3774 }
3775
3776 if (cfg->opt & MONO_OPT_DEADCE) {
3777 mono_ssa_deadce (cfg);
3778 deadce_has_run = TRUE;
3779 }
3780
3781 if ((cfg->flags & (MONO_CFG_HAS_LDELEMA|MONO_CFG_HAS_CHECK_THIS)) && (cfg->opt & MONO_OPT_ABCREM))
3782 mono_perform_abc_removal (cfg);
3783
3784 mono_ssa_remove (cfg);
3785 mono_local_cprop (cfg);
3786 mono_handle_global_vregs (cfg);
3787 if (cfg->opt & MONO_OPT_DEADCE)
3788 mono_local_deadce (cfg);
3789
3790 if (cfg->opt & MONO_OPT_BRANCH) {
3791 MonoBasicBlock *bb;
3792
3793 mono_optimize_branches (cfg);
3794
3795 /* Have to recompute cfg->bblocks and bb->dfn */
3796 if (cfg->globalra) {
3797 mono_remove_critical_edges (cfg);
3798
3799 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
3800 bb->dfn = 0;
3801
3802 /* Depth-first ordering on basic blocks */
3803 cfg->bblocks = mono_mempool_alloc (cfg->mempool, sizeof (MonoBasicBlock*) * (cfg->num_bblocks + 1));
3804
3805 dfn = 0;
3806 df_visit (cfg->bb_entry, &dfn, cfg->bblocks);
3807 cfg->num_bblocks = dfn + 1;
3808 }
3809 }
3810 }
3811 #endif
3812
3813 if (cfg->comp_done & MONO_COMP_SSA && COMPILE_LLVM (cfg)) {
3814 if ((cfg->flags & (MONO_CFG_HAS_LDELEMA|MONO_CFG_HAS_CHECK_THIS)) && (cfg->opt & MONO_OPT_ABCREM))
3815 mono_perform_abc_removal (cfg);
3816 }
3817
3818 /* after SSA removal */
3819 if (parts == 3) {
3820 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
3821 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
3822 return cfg;
3823 }
3824
3825 #ifdef MONO_ARCH_SOFT_FLOAT
3826 if (!COMPILE_LLVM (cfg))
3827 mono_decompose_soft_float (cfg);
3828 #endif
3829 if (!COMPILE_LLVM (cfg))
3830 mono_decompose_vtype_opts (cfg);
3831 if (cfg->flags & MONO_CFG_HAS_ARRAY_ACCESS)
3832 mono_decompose_array_access_opts (cfg);
3833
3834 if (cfg->got_var) {
3835 GList *regs;
3836
3837 g_assert (cfg->got_var_allocated);
3838
3839 /*
3840 * Allways allocate the GOT var to a register, because keeping it
3841 * in memory will increase the number of live temporaries in some
3842 * code created by inssel.brg, leading to the well known spills+
3843 * branches problem. Testcase: mcs crash in
3844 * System.MonoCustomAttrs:GetCustomAttributes.
3845 */
3846 regs = mono_arch_get_global_int_regs (cfg);
3847 g_assert (regs);
3848 cfg->got_var->opcode = OP_REGVAR;
3849 cfg->got_var->dreg = GPOINTER_TO_INT (regs->data);
3850 cfg->used_int_regs |= 1LL << cfg->got_var->dreg;
3851
3852 g_list_free (regs);
3853 }
3854
3855 /*
3856 * Have to call this again to process variables added since the first call.
3857 */
3858 mono_liveness_handle_exception_clauses (cfg);
3859
3860 if (cfg->globalra) {
3861 MonoBasicBlock *bb;
3862
3863 /* Have to do this before regalloc since it can create vregs */
3864 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
3865 mono_arch_lowering_pass (cfg, bb);
3866
3867 mono_global_regalloc (cfg);
3868 }
3869
3870 if ((cfg->opt & MONO_OPT_LINEARS) && !cfg->globalra) {
3871 GList *vars, *regs;
3872
3873 /* fixme: maybe we can avoid to compute livenesss here if already computed ? */
3874 cfg->comp_done &= ~MONO_COMP_LIVENESS;
3875 if (!(cfg->comp_done & MONO_COMP_LIVENESS))
3876 mono_analyze_liveness (cfg);
3877
3878 if ((vars = mono_arch_get_allocatable_int_vars (cfg))) {
3879 regs = mono_arch_get_global_int_regs (cfg);
3880 if (cfg->got_var)
3881 regs = g_list_delete_link (regs, regs);
3882 mono_linear_scan (cfg, vars, regs, &cfg->used_int_regs);
3883 }
3884 }
3885
3886 //mono_print_code (cfg, "");
3887
3888 //print_dfn (cfg);
3889
3890 /* variables are allocated after decompose, since decompose could create temps */
3891 if (!cfg->globalra && !COMPILE_LLVM (cfg)) {
3892 mono_arch_allocate_vars (cfg);
3893 if (cfg->exception_type)
3894 return cfg;
3895 }
3896
3897 {
3898 MonoBasicBlock *bb;
3899 gboolean need_local_opts;
3900
3901 if (!cfg->globalra && !COMPILE_LLVM (cfg)) {
3902 mono_spill_global_vars (cfg, &need_local_opts);
3903
3904 if (need_local_opts || cfg->compile_aot) {
3905 /* To optimize code created by spill_global_vars */
3906 mono_local_cprop (cfg);
3907 if (cfg->opt & MONO_OPT_DEADCE)
3908 mono_local_deadce (cfg);
3909 }
3910 }
3911
3912 /* Add branches between non-consecutive bblocks */
3913 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3914 if (bb->last_ins && MONO_IS_COND_BRANCH_OP (bb->last_ins) &&
3915 bb->last_ins->inst_false_bb && bb->next_bb != bb->last_ins->inst_false_bb) {
3916 /* we are careful when inverting, since bugs like #59580
3917 * could show up when dealing with NaNs.
3918 */
3919 if (MONO_IS_COND_BRANCH_NOFP(bb->last_ins) && bb->next_bb == bb->last_ins->inst_true_bb) {
3920 MonoBasicBlock *tmp = bb->last_ins->inst_true_bb;
3921 bb->last_ins->inst_true_bb = bb->last_ins->inst_false_bb;
3922 bb->last_ins->inst_false_bb = tmp;
3923
3924 bb->last_ins->opcode = mono_reverse_branch_op (bb->last_ins->opcode);
3925 } else {
3926 MonoInst *inst = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoInst));
3927 inst->opcode = OP_BR;
3928 inst->inst_target_bb = bb->last_ins->inst_false_bb;
3929 mono_bblock_add_inst (bb, inst);
3930 }
3931 }
3932 }
3933
3934 if (cfg->verbose_level >= 4 && !cfg->globalra) {
3935 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3936 MonoInst *tree = bb->code;
3937 g_print ("DUMP BLOCK %d:\n", bb->block_num);
3938 if (!tree)
3939 continue;
3940 for (; tree; tree = tree->next) {
3941 mono_print_ins_index (-1, tree);
3942 }
3943 }
3944 }
3945
3946 /* FIXME: */
3947 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3948 bb->max_vreg = cfg->next_vreg;
3949 }
3950 }
3951
3952 if (COMPILE_LLVM (cfg)) {
3953 #ifdef ENABLE_LLVM
3954 char *nm;
3955
3956 /* The IR has to be in SSA form for LLVM */
3957 if (!(cfg->comp_done & MONO_COMP_SSA)) {
3958 cfg->exception_message = g_strdup ("SSA disabled.");
3959 cfg->disable_llvm = TRUE;
3960 }
3961
3962 if (cfg->flags & MONO_CFG_HAS_ARRAY_ACCESS)
3963 mono_decompose_array_access_opts (cfg);
3964
3965 if (!cfg->disable_llvm)
3966 mono_llvm_emit_method (cfg);
3967 if (!cfg->disable_llvm && header->num_clauses && !cfg->compile_aot && cfg->llvm_ex_info_len != header->num_clauses) {
3968 cfg->exception_message = g_strdup ("clause num mismatch.");
3969 cfg->disable_llvm = TRUE;
3970 }
3971 if (cfg->disable_llvm) {
3972 if (cfg->verbose_level >= 1) {
3973 //nm = mono_method_full_name (cfg->method, TRUE);
3974 printf ("LLVM failed for '%s': %s\n", method->name, cfg->exception_message);
3975 //g_free (nm);
3976 }
3977 InterlockedIncrement (&methods_without_llvm);
3978 mono_destroy_compile (cfg);
3979 try_llvm = FALSE;
3980 goto restart_compile;
3981 }
3982
3983 InterlockedIncrement (&methods_with_llvm);
3984
3985 if (cfg->verbose_level > 0 && !cfg->compile_aot) {
3986 nm = mono_method_full_name (cfg->method, TRUE);
3987 g_print ("LLVM Method %s emitted at %p to %p (code length %d) [%s]\n",
3988 nm,
3989 cfg->native_code, cfg->native_code + cfg->code_len, cfg->code_len, cfg->domain->friendly_name);
3990 g_free (nm);
3991 }
3992 #endif
3993 } else {
3994 mono_codegen (cfg);
3995 }
3996
3997 if (cfg->verbose_level >= 2) {
3998 char *id = mono_method_full_name (cfg->method, FALSE);
3999 mono_disassemble_code (cfg, cfg->native_code, cfg->code_len, id + 3);
4000 g_free (id);
4001 }
4002
4003 if (cfg->generic_sharing_context)
4004 generic_info_size = sizeof (MonoGenericJitInfo);
4005 else
4006 generic_info_size = 0;
4007
4008 if (cfg->method->dynamic) {
4009 jinfo = g_malloc0 (MONO_SIZEOF_JIT_INFO + (header->num_clauses * sizeof (MonoJitExceptionInfo)) +
4010 generic_info_size);
4011 } else {
4012 jinfo = mono_domain_alloc0 (cfg->domain, MONO_SIZEOF_JIT_INFO +
4013 (header->num_clauses * sizeof (MonoJitExceptionInfo)) +
4014 generic_info_size);
4015 }
4016
4017 jinfo->method = method_to_register;
4018 jinfo->code_start = cfg->native_code;
4019 jinfo->code_size = cfg->code_len;
4020 jinfo->used_regs = cfg->used_int_regs;
4021 jinfo->domain_neutral = (cfg->opt & MONO_OPT_SHARED) != 0;
4022 jinfo->cas_inited = FALSE; /* initialization delayed at the first stalk walk using this method */
4023 jinfo->num_clauses = header->num_clauses;
4024 if (COMPILE_LLVM (cfg))
4025 jinfo->from_llvm = TRUE;
4026
4027 if (cfg->generic_sharing_context) {
4028 MonoInst *inst;
4029 MonoGenericJitInfo *gi;
4030
4031 jinfo->has_generic_jit_info = 1;
4032
4033 gi = mono_jit_info_get_generic_jit_info (jinfo);
4034 g_assert (gi);
4035
4036 gi->generic_sharing_context = cfg->generic_sharing_context;
4037
4038 if ((method_to_compile->flags & METHOD_ATTRIBUTE_STATIC) ||
4039 mini_method_get_context (method_to_compile)->method_inst ||
4040 method_to_compile->klass->valuetype) {
4041 g_assert (cfg->rgctx_var);
4042 }
4043
4044 gi->has_this = 1;
4045
4046 if ((method_to_compile->flags & METHOD_ATTRIBUTE_STATIC) ||
4047 mini_method_get_context (method_to_compile)->method_inst ||
4048 method_to_compile->klass->valuetype) {
4049 inst = cfg->rgctx_var;
4050 g_assert (inst->opcode == OP_REGOFFSET);
4051 } else {
4052 inst = cfg->args [0];
4053 }
4054
4055 if (inst->opcode == OP_REGVAR) {
4056 gi->this_in_reg = 1;
4057 gi->this_reg = inst->dreg;
4058 } else {
4059 g_assert (inst->opcode == OP_REGOFFSET);
4060 #ifdef TARGET_X86
4061 g_assert (inst->inst_basereg == X86_EBP);
4062 #elif defined(TARGET_AMD64)
4063 g_assert (inst->inst_basereg == X86_EBP || inst->inst_basereg == X86_ESP);
4064 #endif
4065 g_assert (inst->inst_offset >= G_MININT32 && inst->inst_offset <= G_MAXINT32);
4066
4067 gi->this_in_reg = 0;
4068 gi->this_reg = inst->inst_basereg;
4069 gi->this_offset = inst->inst_offset;
4070 }
4071 }
4072
4073 if (header->num_clauses) {
4074 int i;
4075
4076 for (i = 0; i < header->num_clauses; i++) {
4077 MonoExceptionClause *ec = &header->clauses [i];
4078 MonoJitExceptionInfo *ei = &jinfo->clauses [i];
4079 MonoBasicBlock *tblock;
4080 MonoInst *exvar;
4081
4082 ei->flags = ec->flags;
4083
4084 exvar = mono_find_exvar_for_offset (cfg, ec->handler_offset);
4085 ei->exvar_offset = exvar ? exvar->inst_offset : 0;
4086
4087 if (ei->flags == MONO_EXCEPTION_CLAUSE_FILTER) {
4088 tblock = cfg->cil_offset_to_bb [ec->data.filter_offset];
4089 g_assert (tblock);
4090 ei->data.filter = cfg->native_code + tblock->native_offset;
4091 } else {
4092 ei->data.catch_class = ec->data.catch_class;
4093 }
4094
4095 if (COMPILE_LLVM (cfg)) {
4096 if (!cfg->compile_aot) {
4097 g_assert (cfg->llvm_ex_info && i < cfg->llvm_ex_info_len);
4098 ei->try_start = cfg->llvm_ex_info [i].try_start;
4099 ei->try_end = cfg->llvm_ex_info [i].try_end;
4100 ei->handler_start = cfg->llvm_ex_info [i].handler_start;
4101 }
4102 } else {
4103 tblock = cfg->cil_offset_to_bb [ec->try_offset];
4104 g_assert (tblock);
4105 ei->try_start = cfg->native_code + tblock->native_offset;
4106 g_assert (tblock->native_offset);
4107 tblock = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
4108 g_assert (tblock);
4109 ei->try_end = cfg->native_code + tblock->native_offset;
4110 g_assert (tblock->native_offset);
4111 tblock = cfg->cil_offset_to_bb [ec->handler_offset];
4112 g_assert (tblock);
4113 ei->handler_start = cfg->native_code + tblock->native_offset;
4114 }
4115 }
4116 }
4117
4118 /*
4119 * Its possible to generate dwarf unwind info for xdebug etc, but not actually
4120 * using it during runtime, hence the define.
4121 */
4122 #ifdef MONO_ARCH_HAVE_XP_UNWIND
4123 if (cfg->encoded_unwind_ops) {
4124 jinfo->used_regs = mono_cache_unwind_info (cfg->encoded_unwind_ops, cfg->encoded_unwind_ops_len);
4125 g_free (cfg->encoded_unwind_ops);
4126 } else if (cfg->unwind_ops) {
4127 guint32 info_len;
4128 guint8 *unwind_info = mono_unwind_ops_encode (cfg->unwind_ops, &info_len);
4129
4130 jinfo->used_regs = mono_cache_unwind_info (unwind_info, info_len);
4131 g_free (unwind_info);
4132 }
4133 #endif
4134
4135 cfg->jit_info = jinfo;
4136
4137 #ifdef MONO_ARCH_HAVE_LIVERANGE_OPS
4138 if (cfg->extend_live_ranges) {
4139 /* Extend live ranges to cover the whole method */
4140 for (i = 0; i < cfg->num_varinfo; ++i)
4141 MONO_VARINFO (cfg, i)->live_range_end = cfg->code_len;
4142 }
4143 #endif
4144
4145 mono_save_xdebug_info (cfg);
4146
4147 mini_gc_create_gc_map (cfg);
4148
4149 mono_save_seq_point_info (cfg);
4150
4151 if (!cfg->compile_aot) {
4152 mono_domain_lock (cfg->domain);
4153 mono_jit_info_table_add (cfg->domain, jinfo);
4154
4155 if (cfg->method->dynamic)
4156 mono_dynamic_code_hash_lookup (cfg->domain, cfg->method)->ji = jinfo;
4157 mono_domain_unlock (cfg->domain);
4158 }
4159
4160 /* collect statistics */
4161 mono_perfcounters->jit_methods++;
4162 mono_perfcounters->jit_bytes += header->code_size;
4163 mono_jit_stats.allocated_code_size += cfg->code_len;
4164 code_size_ratio = cfg->code_len;
4165 if (code_size_ratio > mono_jit_stats.biggest_method_size && mono_jit_stats.enabled) {
4166 mono_jit_stats.biggest_method_size = code_size_ratio;
4167 g_free (mono_jit_stats.biggest_method);
4168 mono_jit_stats.biggest_method = g_strdup_printf ("%s::%s)", method->klass->name, method->name);
4169 }
4170 code_size_ratio = (code_size_ratio * 100) / mono_method_get_header (method)->code_size;
4171 if (code_size_ratio > mono_jit_stats.max_code_size_ratio && mono_jit_stats.enabled) {
4172 mono_jit_stats.max_code_size_ratio = code_size_ratio;
4173 g_free (mono_jit_stats.max_ratio_method);
4174 mono_jit_stats.max_ratio_method = g_strdup_printf ("%s::%s)", method->klass->name, method->name);
4175 }
4176 mono_jit_stats.native_code_size += cfg->code_len;
4177
4178 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4179 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
4180
4181 return cfg;
4182 }
4183
4184 #else
4185
4186 MonoCompile*
4187 mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, gboolean run_cctors, gboolean compile_aot, int parts)
4188 {
4189 g_assert_not_reached ();
4190 return NULL;
4191 }
4192
4193 #endif /* DISABLE_JIT */
4194
4195 static MonoJitInfo*
4196 lookup_generic_method (MonoDomain *domain, MonoMethod *method)
4197 {
4198 MonoMethod *open_method;
4199
4200 if (!mono_method_is_generic_sharable_impl (method, FALSE))
4201 return NULL;
4202
4203 open_method = mono_method_get_declaring_generic_method (method);
4204
4205 return mono_domain_lookup_shared_generic (domain, open_method);
4206 }
4207
4208 /*
4209 * LOCKING: Assumes domain->jit_code_hash_lock is held.
4210 */
4211 static MonoJitInfo*
4212 lookup_method_inner (MonoDomain *domain, MonoMethod *method)
4213 {
4214 MonoJitInfo *ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, method);
4215
4216 if (ji)
4217 return ji;
4218
4219 return lookup_generic_method (domain, method);
4220 }
4221
4222 static MonoJitInfo*
4223 lookup_method (MonoDomain *domain, MonoMethod *method)
4224 {
4225 MonoJitInfo *info;
4226
4227 mono_loader_lock (); /*FIXME lookup_method_inner acquired it*/
4228 mono_domain_jit_code_hash_lock (domain);
4229 info = lookup_method_inner (domain, method);
4230 mono_domain_jit_code_hash_unlock (domain);
4231 mono_loader_unlock ();
4232
4233 return info;
4234 }
4235
4236 static gpointer
4237 mono_jit_compile_method_inner (MonoMethod *method, MonoDomain *target_domain, int opt, MonoException **jit_ex)
4238 {
4239 MonoCompile *cfg;
4240 gpointer code = NULL;
4241 MonoJitInfo *jinfo, *info;
4242 MonoVTable *vtable;
4243 MonoException *ex = NULL;
4244 guint32 prof_options;
4245
4246 #ifdef MONO_USE_AOT_COMPILER
4247 if (opt & MONO_OPT_AOT) {
4248 MonoDomain *domain = mono_domain_get ();
4249
4250 mono_class_init (method->klass);
4251
4252 if ((code = mono_aot_get_method (domain, method))) {
4253 vtable = mono_class_vtable (domain, method->klass);
4254 g_assert (vtable);
4255 mono_runtime_class_init (vtable);
4256
4257 return code;
4258 }
4259 }
4260 #endif
4261
4262 if ((method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) ||
4263 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL)) {
4264 MonoMethod *nm;
4265 MonoMethodPInvoke* piinfo = (MonoMethodPInvoke *) method;
4266
4267 if (!piinfo->addr) {
4268 if (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL)
4269 piinfo->addr = mono_lookup_internal_call (method);
4270 else if (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)
4271 #ifdef HOST_WIN32
4272 g_warning ("Method '%s' in assembly '%s' contains native code that cannot be executed by Mono in modules loaded from byte arrays. The assembly was probably created using C++/CLI.\n", mono_method_full_name (method, TRUE), method->klass->image->name);
4273 #else
4274 g_warning ("Method '%s' in assembly '%s' contains native code that cannot be executed by Mono on this platform. The assembly was probably created using C++/CLI.\n", mono_method_full_name (method, TRUE), method->klass->image->name);
4275 #endif
4276 else
4277 mono_lookup_pinvoke_call (method, NULL, NULL);
4278 }
4279 nm = mono_marshal_get_native_wrapper (method, check_for_pending_exc, FALSE);
4280 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
4281
4282 //if (mono_debug_format != MONO_DEBUG_FORMAT_NONE)
4283 //mono_debug_add_wrapper (method, nm);
4284 } else if ((method->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
4285 const char *name = method->name;
4286 MonoMethod *nm;
4287
4288 if (method->klass->parent == mono_defaults.multicastdelegate_class) {
4289 if (*name == '.' && (strcmp (name, ".ctor") == 0)) {
4290 MonoJitICallInfo *mi = mono_find_jit_icall_by_name ("mono_delegate_ctor");
4291 g_assert (mi);
4292 /*
4293 * We need to make sure this wrapper
4294 * is compiled because it might end up
4295 * in an (M)RGCTX if generic sharing
4296 * is enabled, and would be called
4297 * indirectly. If it were a
4298 * trampoline we'd try to patch that
4299 * indirect call, which is not
4300 * possible.
4301 */
4302 return mono_get_addr_from_ftnptr ((gpointer)mono_icall_get_wrapper_full (mi, TRUE));
4303 } else if (*name == 'I' && (strcmp (name, "Invoke") == 0)) {
4304 #ifdef MONO_ARCH_HAVE_CREATE_DELEGATE_TRAMPOLINE
4305 return mono_create_delegate_trampoline (method->klass);
4306 #else
4307 nm = mono_marshal_get_delegate_invoke (method, NULL);
4308 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
4309 #endif
4310 } else if (*name == 'B' && (strcmp (name, "BeginInvoke") == 0)) {
4311 nm = mono_marshal_get_delegate_begin_invoke (method);
4312 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
4313 } else if (*name == 'E' && (strcmp (name, "EndInvoke") == 0)) {
4314 nm = mono_marshal_get_delegate_end_invoke (method);
4315 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
4316 }
4317 }
4318 return NULL;
4319 }
4320
4321 if (mono_aot_only) {
4322 char *fullname = mono_method_full_name (method, TRUE);
4323 char *msg = g_strdup_printf ("Attempting to JIT compile method '%s' while running with --aot-only.\n", fullname);
4324
4325 *jit_ex = mono_get_exception_execution_engine (msg);
4326 g_free (fullname);
4327 g_free (msg);
4328
4329 return NULL;
4330 }
4331
4332 cfg = mini_method_compile (method, opt, target_domain, TRUE, FALSE, 0);
4333
4334 switch (cfg->exception_type) {
4335 case MONO_EXCEPTION_NONE:
4336 break;
4337 case MONO_EXCEPTION_TYPE_LOAD:
4338 case MONO_EXCEPTION_MISSING_FIELD:
4339 case MONO_EXCEPTION_MISSING_METHOD:
4340 case MONO_EXCEPTION_FILE_NOT_FOUND:
4341 case MONO_EXCEPTION_BAD_IMAGE: {
4342 /* Throw a type load exception if needed */
4343 MonoLoaderError *error = mono_loader_get_last_error ();
4344
4345 if (error) {
4346 ex = mono_loader_error_prepare_exception (error);
4347 } else {
4348 if (cfg->exception_ptr) {
4349 ex = mono_class_get_exception_for_failure (cfg->exception_ptr);
4350 } else {
4351 if (cfg->exception_type == MONO_EXCEPTION_MISSING_FIELD)
4352 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingFieldException", cfg->exception_message);
4353 else if (cfg->exception_type == MONO_EXCEPTION_MISSING_METHOD)
4354 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingMethodException", cfg->exception_message);
4355 else if (cfg->exception_type == MONO_EXCEPTION_TYPE_LOAD)
4356 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "TypeLoadException", cfg->exception_message);
4357 else if (cfg->exception_type == MONO_EXCEPTION_FILE_NOT_FOUND)
4358 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "FileNotFoundException", cfg->exception_message);
4359 else if (cfg->exception_type == MONO_EXCEPTION_BAD_IMAGE)
4360 ex = mono_get_exception_bad_image_format (cfg->exception_message);
4361 else
4362 g_assert_not_reached ();
4363 }
4364 }
4365 break;
4366 }
4367 case MONO_EXCEPTION_INVALID_PROGRAM:
4368 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "InvalidProgramException", cfg->exception_message);
4369 break;
4370 case MONO_EXCEPTION_UNVERIFIABLE_IL:
4371 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System.Security", "VerificationException", cfg->exception_message);
4372 break;
4373 case MONO_EXCEPTION_METHOD_ACCESS:
4374 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MethodAccessException", cfg->exception_message);
4375 break;
4376 case MONO_EXCEPTION_FIELD_ACCESS:
4377 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "FieldAccessException", cfg->exception_message);
4378 break;
4379 /* this can only be set if the security manager is active */
4380 case MONO_EXCEPTION_SECURITY_LINKDEMAND: {
4381 MonoSecurityManager* secman = mono_security_manager_get_methods ();
4382 MonoObject *exc = NULL;
4383 gpointer args [2];
4384
4385 args [0] = &cfg->exception_data;
4386 args [1] = &method;
4387 mono_runtime_invoke (secman->linkdemandsecurityexception, NULL, args, &exc);
4388
4389 ex = (MonoException*)exc;
4390 break;
4391 }
4392 case MONO_EXCEPTION_OBJECT_SUPPLIED: {
4393 MonoException *exp = cfg->exception_ptr;
4394 MONO_GC_UNREGISTER_ROOT (cfg->exception_ptr);
4395
4396 ex = exp;
4397 break;
4398 }
4399 default:
4400 g_assert_not_reached ();
4401 }
4402
4403 if (ex) {
4404 mono_destroy_compile (cfg);
4405 *jit_ex = ex;
4406
4407 if (cfg->prof_options & MONO_PROFILE_JIT_COMPILATION)
4408 mono_profiler_method_end_jit (method, NULL, MONO_PROFILE_FAILED);
4409
4410 return NULL;
4411 }
4412
4413 mono_loader_lock (); /*FIXME lookup_method_inner requires the loader lock*/
4414 mono_domain_lock (target_domain);
4415
4416 /* Check if some other thread already did the job. In this case, we can
4417 discard the code this thread generated. */
4418
4419 mono_domain_jit_code_hash_lock (target_domain);
4420
4421 info = lookup_method_inner (target_domain, method);
4422 if (info) {
4423 /* We can't use a domain specific method in another domain */
4424 if ((target_domain == mono_domain_get ()) || info->domain_neutral) {
4425 code = info->code_start;
4426 // printf("Discarding code for method %s\n", method->name);
4427 }
4428 }
4429
4430 if (code == NULL) {
4431 mono_internal_hash_table_insert (&target_domain->jit_code_hash, cfg->jit_info->method, cfg->jit_info);
4432 mono_domain_jit_code_hash_unlock (target_domain);
4433 code = cfg->native_code;
4434
4435 if (cfg->generic_sharing_context && mono_method_is_generic_sharable_impl (method, FALSE))
4436 mono_stats.generics_shared_methods++;
4437 } else {
4438 mono_domain_jit_code_hash_unlock (target_domain);
4439 }
4440
4441 jinfo = cfg->jit_info;
4442
4443 prof_options = cfg->prof_options;
4444
4445 mono_destroy_compile (cfg);
4446
4447 if (domain_jit_info (target_domain)->jump_target_hash) {
4448 MonoJumpInfo patch_info;
4449 GSList *list, *tmp;
4450 list = g_hash_table_lookup (domain_jit_info (target_domain)->jump_target_hash, method);
4451 if (list) {
4452 patch_info.next = NULL;
4453 patch_info.ip.i = 0;
4454 patch_info.type = MONO_PATCH_INFO_METHOD_JUMP;
4455 patch_info.data.method = method;
4456 g_hash_table_remove (domain_jit_info (target_domain)->jump_target_hash, method);
4457 }
4458 for (tmp = list; tmp; tmp = tmp->next)
4459 mono_arch_patch_code (NULL, target_domain, tmp->data, &patch_info, TRUE);
4460 g_slist_free (list);
4461 }
4462
4463 mono_domain_unlock (target_domain);
4464 mono_loader_unlock ();
4465
4466 vtable = mono_class_vtable (target_domain, method->klass);
4467 if (!vtable) {
4468 MonoException *exc;
4469 exc = mono_class_get_exception_for_failure (method->klass);
4470 g_assert (exc);
4471 mono_raise_exception (exc);
4472 }
4473
4474 if (prof_options & MONO_PROFILE_JIT_COMPILATION)
4475 mono_profiler_method_end_jit (method, jinfo, MONO_PROFILE_OK);
4476
4477 mono_runtime_class_init (vtable);
4478 return code;
4479 }
4480
4481 static gpointer
4482 mono_jit_compile_method_with_opt (MonoMethod *method, guint32 opt, MonoException **ex)
4483 {
4484 MonoDomain *target_domain, *domain = mono_domain_get ();
4485 MonoJitInfo *info;
4486 gpointer code, p;
4487 MonoJitICallInfo *callinfo = NULL;
4488
4489 /*
4490 * ICALL wrappers are handled specially, since there is only one copy of them
4491 * shared by all appdomains.
4492 */
4493 if ((method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) && (strstr (method->name, "__icall_wrapper_") == method->name)) {
4494 const char *icall_name;
4495
4496 icall_name = method->name + strlen ("__icall_wrapper_");
4497 g_assert (icall_name);
4498 callinfo = mono_find_jit_icall_by_name (icall_name);
4499 g_assert (callinfo);
4500
4501 /* Must be domain neutral since there is only one copy */
4502 opt |= MONO_OPT_SHARED;
4503 }
4504
4505 if (opt & MONO_OPT_SHARED)
4506 target_domain = mono_get_root_domain ();
4507 else
4508 target_domain = domain;
4509
4510 info = lookup_method (target_domain, method);
4511 if (info) {
4512 /* We can't use a domain specific method in another domain */
4513 if (! ((domain != target_domain) && !info->domain_neutral)) {
4514 MonoVTable *vtable;
4515
4516 mono_jit_stats.methods_lookups++;
4517 vtable = mono_class_vtable (domain, method->klass);
4518 g_assert (vtable);
4519 mono_runtime_class_init (vtable);
4520 return mono_create_ftnptr (target_domain, info->code_start);
4521 }
4522 }
4523
4524 code = mono_jit_compile_method_inner (method, target_domain, opt, ex);
4525 if (!code)
4526 return NULL;
4527
4528 p = mono_create_ftnptr (target_domain, code);
4529
4530 if (callinfo) {
4531 mono_jit_lock ();
4532 if (!callinfo->wrapper) {
4533 callinfo->wrapper = p;
4534 mono_register_jit_icall_wrapper (callinfo, p);
4535 mono_debug_add_icall_wrapper (method, callinfo);
4536 }
4537 mono_jit_unlock ();
4538 }
4539
4540 return p;
4541 }
4542
4543 gpointer
4544 mono_jit_compile_method (MonoMethod *method)
4545 {
4546 MonoException *ex = NULL;
4547 gpointer code;
4548
4549 code = mono_jit_compile_method_with_opt (method, default_opt, &ex);
4550 if (!code) {
4551 g_assert (ex);
4552 mono_raise_exception (ex);
4553 }
4554
4555 return code;
4556 }
4557
4558 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
4559 static void
4560 invalidated_delegate_trampoline (char *desc)
4561 {
4562 g_error ("Unmanaged code called delegate of type %s which was already garbage collected.\n"
4563 "See http://www.go-mono.com/delegate.html for an explanation and ways to fix this.",
4564 desc);
4565 }
4566 #endif
4567
4568 /*
4569 * mono_jit_free_method:
4570 *
4571 * Free all memory allocated by the JIT for METHOD.
4572 */
4573 static void
4574 mono_jit_free_method (MonoDomain *domain, MonoMethod *method)
4575 {
4576 MonoJitDynamicMethodInfo *ji;
4577 gboolean destroy = TRUE;
4578
4579 g_assert (method->dynamic);
4580
4581 mono_domain_lock (domain);
4582 ji = mono_dynamic_code_hash_lookup (domain, method);
4583 mono_domain_unlock (domain);
4584
4585 if (!ji)
4586 return;
4587 mono_domain_lock (domain);
4588 g_hash_table_remove (domain_jit_info (domain)->dynamic_code_hash, method);
4589 mono_internal_hash_table_remove (&domain->jit_code_hash, method);
4590 g_hash_table_remove (domain_jit_info (domain)->jump_trampoline_hash, method);
4591 g_hash_table_remove (domain_jit_info (domain)->runtime_invoke_hash, method);
4592 mono_domain_unlock (domain);
4593
4594 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
4595 if (debug_options.keep_delegates && method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED) {
4596 /*
4597 * Instead of freeing the code, change it to call an error routine
4598 * so people can fix their code.
4599 */
4600 char *type = mono_type_full_name (&method->klass->byval_arg);
4601 char *type_and_method = g_strdup_printf ("%s.%s", type, method->name);
4602
4603 g_free (type);
4604 mono_arch_invalidate_method (ji->ji, invalidated_delegate_trampoline, type_and_method);
4605 destroy = FALSE;
4606 }
4607 #endif
4608
4609 /*
4610 * This needs to be done before freeing code_mp, since the code address is the
4611 * key in the table, so if we free the code_mp first, another thread can grab the
4612 * same code address and replace our entry in the table.
4613 */
4614 mono_jit_info_table_remove (domain, ji->ji);
4615
4616 if (destroy)
4617 mono_code_manager_destroy (ji->code_mp);
4618 g_free (ji);
4619 }
4620
4621 gpointer
4622 mono_jit_find_compiled_method_with_jit_info (MonoDomain *domain, MonoMethod *method, MonoJitInfo **ji)
4623 {
4624 MonoDomain *target_domain;
4625 MonoJitInfo *info;
4626
4627 if (default_opt & MONO_OPT_SHARED)
4628 target_domain = mono_get_root_domain ();
4629 else
4630 target_domain = domain;
4631
4632 info = lookup_method (target_domain, method);
4633 if (info) {
4634 /* We can't use a domain specific method in another domain */
4635 if (! ((domain != target_domain) && !info->domain_neutral)) {
4636 mono_jit_stats.methods_lookups++;
4637 if (ji)
4638 *ji = info;
4639 return info->code_start;
4640 }
4641 }
4642
4643 if (ji)
4644 *ji = NULL;
4645 return NULL;
4646 }
4647
4648 gpointer
4649 mono_jit_find_compiled_method (MonoDomain *domain, MonoMethod *method)
4650 {
4651 return mono_jit_find_compiled_method_with_jit_info (domain, method, NULL);
4652 }
4653
4654 typedef struct {
4655 MonoMethod *method;
4656 gpointer compiled_method;
4657 gpointer runtime_invoke;
4658 MonoVTable *vtable;
4659 MonoDynCallInfo *dyn_call_info;
4660 MonoClass *ret_box_class;
4661 } RuntimeInvokeInfo;
4662
4663 /**
4664 * mono_jit_runtime_invoke:
4665 * @method: the method to invoke
4666 * @obj: this pointer
4667 * @params: array of parameter values.
4668 * @exc: used to catch exceptions objects
4669 */
4670 static MonoObject*
4671 mono_jit_runtime_invoke (MonoMethod *method, void *obj, void **params, MonoObject **exc)
4672 {
4673 MonoMethod *invoke;
4674 MonoObject *(*runtime_invoke) (MonoObject *this, void **params, MonoObject **exc, void* compiled_method);
4675 MonoDomain *domain = mono_domain_get ();
4676 MonoJitDomainInfo *domain_info;
4677 RuntimeInvokeInfo *info, *info2;
4678
4679 if (obj == NULL && !(method->flags & METHOD_ATTRIBUTE_STATIC) && !method->string_ctor && (method->wrapper_type == 0)) {
4680 g_warning ("Ignoring invocation of an instance method on a NULL instance.\n");
4681 return NULL;
4682 }
4683
4684 domain_info = domain_jit_info (domain);
4685
4686 mono_domain_lock (domain);
4687 info = g_hash_table_lookup (domain_info->runtime_invoke_hash, method);
4688 mono_domain_unlock (domain);
4689
4690 if (!info) {
4691 if (mono_security_get_mode () == MONO_SECURITY_MODE_CORE_CLR) {
4692 /*
4693 * This might be redundant since mono_class_vtable () already does this,
4694 * but keep it just in case for moonlight.
4695 */
4696 mono_class_setup_vtable (method->klass);
4697 if (method->klass->exception_type != MONO_EXCEPTION_NONE) {
4698 if (exc)
4699 *exc = (MonoObject*)mono_class_get_exception_for_failure (method->klass);
4700 else
4701 mono_raise_exception (mono_class_get_exception_for_failure (method->klass));
4702 return NULL;
4703 }
4704 }
4705
4706 info = g_new0 (RuntimeInvokeInfo, 1);
4707
4708 invoke = mono_marshal_get_runtime_invoke (method, FALSE);
4709 info->vtable = mono_class_vtable_full (domain, method->klass, TRUE);
4710 g_assert (info->vtable);
4711
4712 if (method->klass->rank && (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
4713 (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)) {
4714 /*
4715 * Array Get/Set/Address methods. The JIT implements them using inline code
4716 * inside the runtime invoke wrappers, so no need to compile them.
4717 */
4718 info->compiled_method = NULL;
4719 } else {
4720 MonoException *jit_ex = NULL;
4721
4722 info->compiled_method = mono_jit_compile_method_with_opt (method, default_opt, &jit_ex);
4723 if (!info->compiled_method) {
4724 g_free (info);
4725 g_assert (jit_ex);
4726 if (exc) {
4727 *exc = (MonoObject*)jit_ex;
4728 return NULL;
4729 } else {
4730 mono_raise_exception (jit_ex);
4731 }
4732 }
4733
4734 if (mono_method_needs_static_rgctx_invoke (method, FALSE))
4735 info->compiled_method = mono_create_static_rgctx_trampoline (method, info->compiled_method);
4736 }
4737
4738 /*
4739 * We want to avoid AOTing 1000s of runtime-invoke wrappers when running
4740 * in full-aot mode, so we use a slower, but more generic wrapper if
4741 * possible, built on top of the OP_DYN_CALL opcode provided by the JIT.
4742 */
4743 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
4744 if (mono_aot_only || debug_options.dyn_runtime_invoke) {
4745 MonoMethodSignature *sig = mono_method_signature (method);
4746 gboolean supported = TRUE;
4747 int i;
4748
4749 if (method->string_ctor)
4750 sig = mono_marshal_get_string_ctor_signature (method);
4751
4752 for (i = 0; i < sig->param_count; ++i) {
4753 MonoType *t = sig->params [i];
4754
4755 if (t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t)))
4756 supported = FALSE;
4757 }
4758
4759 if (method->klass->contextbound || !info->compiled_method)
4760 supported = FALSE;
4761
4762 if (supported)
4763 info->dyn_call_info = mono_arch_dyn_call_prepare (sig);
4764
4765 if (info->dyn_call_info) {
4766 switch (sig->ret->type) {
4767 case MONO_TYPE_VOID:
4768 break;
4769 case MONO_TYPE_I1:
4770 case MONO_TYPE_U1:
4771 case MONO_TYPE_I2:
4772 case MONO_TYPE_U2:
4773 case MONO_TYPE_I4:
4774 case MONO_TYPE_U4:
4775 case MONO_TYPE_I:
4776 case MONO_TYPE_U:
4777 case MONO_TYPE_I8:
4778 case MONO_TYPE_U8:
4779 case MONO_TYPE_BOOLEAN:
4780 case MONO_TYPE_CHAR:
4781 case MONO_TYPE_R4:
4782 case MONO_TYPE_R8:
4783 info->ret_box_class = mono_class_from_mono_type (sig->ret);
4784 break;
4785 case MONO_TYPE_PTR:
4786 info->ret_box_class = mono_defaults.int_class;
4787 break;
4788 case MONO_TYPE_STRING:
4789 case MONO_TYPE_CLASS:
4790 case MONO_TYPE_ARRAY:
4791 case MONO_TYPE_SZARRAY:
4792 case MONO_TYPE_OBJECT:
4793 break;
4794 case MONO_TYPE_GENERICINST:
4795 if (!MONO_TYPE_IS_REFERENCE (sig->ret))
4796 info->ret_box_class = mono_class_from_mono_type (sig->ret);
4797 break;
4798 case MONO_TYPE_VALUETYPE:
4799 info->ret_box_class = mono_class_from_mono_type (sig->ret);
4800 break;
4801 default:
4802 g_assert_not_reached ();
4803 break;
4804 }
4805 }
4806 }
4807 #endif
4808
4809 if (!info->dyn_call_info)
4810 info->runtime_invoke = mono_jit_compile_method (invoke);
4811
4812 mono_domain_lock (domain);
4813 info2 = g_hash_table_lookup (domain_info->runtime_invoke_hash, method);
4814 if (info2) {
4815 g_free (info);
4816 info = info2;
4817 } else {
4818 g_hash_table_insert (domain_info->runtime_invoke_hash, method, info);
4819 }
4820 mono_domain_unlock (domain);
4821 }
4822
4823 runtime_invoke = info->runtime_invoke;
4824
4825 /*
4826 * We need this here because mono_marshal_get_runtime_invoke can place
4827 * the helper method in System.Object and not the target class.
4828 */
4829 mono_runtime_class_init (info->vtable);
4830
4831 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
4832 if (info->dyn_call_info) {
4833 MonoMethodSignature *sig = mono_method_signature (method);
4834 gpointer *args;
4835 static RuntimeInvokeDynamicFunction dyn_runtime_invoke;
4836 int i, pindex;
4837 guint8 buf [128];
4838 guint8 retval [128];
4839
4840 if (!dyn_runtime_invoke) {
4841 invoke = mono_marshal_get_runtime_invoke_dynamic ();
4842 dyn_runtime_invoke = mono_jit_compile_method (invoke);
4843 }
4844
4845 /* Convert the arguments to the format expected by start_dyn_call () */
4846 args = g_alloca ((sig->param_count + sig->hasthis) * sizeof (gpointer));
4847 pindex = 0;
4848 if (sig->hasthis)
4849 args [pindex ++] = &obj;
4850 for (i = 0; i < sig->param_count; ++i) {
4851 MonoType *t = sig->params [i];
4852
4853 if (t->byref) {
4854 args [pindex ++] = &params [i];
4855 } else if (MONO_TYPE_IS_REFERENCE (t) || t->type == MONO_TYPE_PTR) {
4856 args [pindex ++] = &params [i];
4857 } else {
4858 args [pindex ++] = params [i];
4859 }
4860 }
4861
4862 //printf ("M: %s\n", mono_method_full_name (method, TRUE));
4863
4864 mono_arch_start_dyn_call (info->dyn_call_info, (gpointer**)args, retval, buf, sizeof (buf));
4865
4866 dyn_runtime_invoke (buf, exc, info->compiled_method);
4867
4868 mono_arch_finish_dyn_call (info->dyn_call_info, buf);
4869
4870 if (info->ret_box_class)
4871 return mono_value_box (domain, info->ret_box_class, retval);
4872 else
4873 return *(MonoObject**)retval;
4874 }
4875 #endif
4876
4877 return runtime_invoke (obj, params, exc, info->compiled_method);
4878 }
4879
4880 void
4881 SIG_HANDLER_SIGNATURE (mono_sigfpe_signal_handler)
4882 {
4883 MonoException *exc = NULL;
4884 MonoJitInfo *ji;
4885 #if !(defined(MONO_ARCH_USE_SIGACTION) || defined(HOST_WIN32))
4886 void *info = NULL;
4887 #endif
4888 GET_CONTEXT;
4889
4890 ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context (ctx));
4891
4892 #if defined(MONO_ARCH_HAVE_IS_INT_OVERFLOW)
4893 if (mono_arch_is_int_overflow (ctx, info))
4894 exc = mono_get_exception_arithmetic ();
4895 else
4896 exc = mono_get_exception_divide_by_zero ();
4897 #else
4898 exc = mono_get_exception_divide_by_zero ();
4899 #endif
4900
4901 if (!ji) {
4902 if (mono_chain_signal (SIG_HANDLER_PARAMS))
4903 return;
4904
4905 mono_handle_native_sigsegv (SIGSEGV, ctx);
4906 }
4907
4908 mono_arch_handle_exception (ctx, exc, FALSE);
4909 }
4910
4911 void
4912 SIG_HANDLER_SIGNATURE (mono_sigill_signal_handler)
4913 {
4914 MonoException *exc;
4915 GET_CONTEXT;
4916
4917 exc = mono_get_exception_execution_engine ("SIGILL");
4918
4919 mono_arch_handle_exception (ctx, exc, FALSE);
4920 }
4921
4922 void
4923 SIG_HANDLER_SIGNATURE (mono_sigsegv_signal_handler)
4924 {
4925 #ifndef MONO_ARCH_SIGSEGV_ON_ALTSTACK
4926 MonoException *exc = NULL;
4927 #endif
4928 MonoJitInfo *ji;
4929 MonoJitTlsData *jit_tls = TlsGetValue (mono_jit_tls_id);
4930
4931 GET_CONTEXT;
4932
4933 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
4934 if (mono_arch_is_single_step_event (info, ctx)) {
4935 mono_debugger_agent_single_step_event (ctx);
4936 return;
4937 } else if (mono_arch_is_breakpoint_event (info, ctx)) {
4938 mono_debugger_agent_breakpoint_hit (ctx);
4939 return;
4940 }
4941 #endif
4942
4943 /* The thread might no be registered with the runtime */
4944 if (!mono_domain_get () || !jit_tls) {
4945 if (mono_chain_signal (SIG_HANDLER_PARAMS))
4946 return;
4947 mono_handle_native_sigsegv (SIGSEGV, ctx);
4948 }
4949
4950 ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context (ctx));
4951
4952 #ifdef MONO_ARCH_SIGSEGV_ON_ALTSTACK
4953 if (mono_handle_soft_stack_ovf (jit_tls, ji, ctx, (guint8*)info->si_addr))
4954 return;
4955
4956 /* The hard-guard page has been hit: there is not much we can do anymore
4957 * Print a hopefully clear message and abort.
4958 */
4959 if (jit_tls->stack_size &&
4960 ABS ((guint8*)info->si_addr - ((guint8*)jit_tls->end_of_stack - jit_tls->stack_size)) < 32768) {
4961 const char *method;
4962 /* we don't do much now, but we can warn the user with a useful message */
4963 fprintf (stderr, "Stack overflow: IP: %p, fault addr: %p\n", mono_arch_ip_from_context (ctx), (gpointer)info->si_addr);
4964 if (ji && ji->method)
4965 method = mono_method_full_name (ji->method, TRUE);
4966 else
4967 method = "Unmanaged";
4968 fprintf (stderr, "At %s\n", method);
4969 _exit (1);
4970 } else {
4971 /* The original handler might not like that it is executed on an altstack... */
4972 if (!ji && mono_chain_signal (SIG_HANDLER_PARAMS))
4973 return;
4974
4975 mono_arch_handle_altstack_exception (ctx, info->si_addr, FALSE);
4976 }
4977 #else
4978
4979 if (!ji) {
4980 if (mono_chain_signal (SIG_HANDLER_PARAMS))
4981 return;
4982
4983 mono_handle_native_sigsegv (SIGSEGV, ctx);
4984 }
4985
4986 mono_arch_handle_exception (ctx, exc, FALSE);
4987 #endif
4988 }
4989
4990 void
4991 SIG_HANDLER_SIGNATURE (mono_sigint_signal_handler)
4992 {
4993 MonoException *exc;
4994 GET_CONTEXT;
4995
4996 exc = mono_get_exception_execution_engine ("Interrupted (SIGINT).");
4997
4998 mono_arch_handle_exception (ctx, exc, FALSE);
4999 }
5000
5001 /* mono_jit_create_remoting_trampoline:
5002 * @method: pointer to the method info
5003 *
5004 * Creates a trampoline which calls the remoting functions. This
5005 * is used in the vtable of transparent proxies.
5006 *
5007 * Returns: a pointer to the newly created code
5008 */
5009 static gpointer
5010 mono_jit_create_remoting_trampoline (MonoDomain *domain, MonoMethod *method, MonoRemotingTarget target)
5011 {
5012 MonoMethod *nm;
5013 guint8 *addr = NULL;
5014
5015 if ((method->flags & METHOD_ATTRIBUTE_VIRTUAL) && mono_method_signature (method)->generic_param_count) {
5016 return mono_arch_create_specific_trampoline (method, MONO_TRAMPOLINE_GENERIC_VIRTUAL_REMOTING,
5017 domain, NULL);
5018 }
5019
5020 if ((method->flags & METHOD_ATTRIBUTE_ABSTRACT) ||
5021 (mono_method_signature (method)->hasthis && (method->klass->marshalbyref || method->klass == mono_defaults.object_class))) {
5022 nm = mono_marshal_get_remoting_invoke_for_target (method, target);
5023 addr = mono_compile_method (nm);
5024 } else {
5025 addr = mono_compile_method (method);
5026 }
5027 return mono_get_addr_from_ftnptr (addr);
5028 }
5029
5030 #ifdef MONO_ARCH_HAVE_IMT
5031 static G_GNUC_UNUSED gpointer
5032 mini_get_imt_trampoline (void)
5033 {
5034 static gpointer tramp = NULL;
5035 if (!tramp)
5036 tramp = mono_create_specific_trampoline (MONO_FAKE_IMT_METHOD, MONO_TRAMPOLINE_JIT, mono_get_root_domain (), NULL);
5037 return tramp;
5038 }
5039 #endif
5040
5041 gpointer
5042 mini_get_vtable_trampoline (void)
5043 {
5044 static gpointer tramp = NULL;
5045 if (!tramp)
5046 tramp = mono_create_specific_trampoline (MONO_FAKE_VTABLE_METHOD, MONO_TRAMPOLINE_JIT, mono_get_root_domain (), NULL);
5047 return tramp;
5048 }
5049
5050 static void
5051 mini_parse_debug_options (void)
5052 {
5053 char *options = getenv ("MONO_DEBUG");
5054 gchar **args, **ptr;
5055
5056 if (!options)
5057 return;
5058
5059 args = g_strsplit (options, ",", -1);
5060
5061 for (ptr = args; ptr && *ptr; ptr++) {
5062 const char *arg = *ptr;
5063
5064 if (!strcmp (arg, "handle-sigint"))
5065 debug_options.handle_sigint = TRUE;
5066 else if (!strcmp (arg, "keep-delegates"))
5067 debug_options.keep_delegates = TRUE;
5068 else if (!strcmp (arg, "collect-pagefault-stats"))
5069 debug_options.collect_pagefault_stats = TRUE;
5070 else if (!strcmp (arg, "break-on-unverified"))
5071 debug_options.break_on_unverified = TRUE;
5072 else if (!strcmp (arg, "no-gdb-backtrace"))
5073 debug_options.no_gdb_backtrace = TRUE;
5074 else if (!strcmp (arg, "suspend-on-sigsegv"))
5075 debug_options.suspend_on_sigsegv = TRUE;
5076 else if (!strcmp (arg, "dont-free-domains"))
5077 mono_dont_free_domains = TRUE;
5078 else if (!strcmp (arg, "dyn-runtime-invoke"))
5079 debug_options.dyn_runtime_invoke = TRUE;
5080 else if (!strcmp (arg, "gdb"))
5081 debug_options.gdb = TRUE;
5082 else if (!strcmp (arg, "explicit-null-checks"))
5083 debug_options.explicit_null_checks = TRUE;
5084 else if (!strcmp (arg, "gen-seq-points"))
5085 debug_options.gen_seq_points = TRUE;
5086 else {
5087 fprintf (stderr, "Invalid option for the MONO_DEBUG env variable: %s\n", arg);
5088 fprintf (stderr, "Available options: 'handle-sigint', 'keep-delegates', 'collect-pagefault-stats', 'break-on-unverified', 'no-gdb-backtrace', 'dont-free-domains', 'suspend-on-sigsegv', 'dyn-runtime-invoke', 'gdb', 'explicit-null-checks'\n");
5089 exit (1);
5090 }
5091 }
5092
5093 g_strfreev (args);
5094 }
5095
5096 MonoDebugOptions *
5097 mini_get_debug_options (void)
5098 {
5099 return &debug_options;
5100 }
5101
5102 static gpointer
5103 mini_create_ftnptr (MonoDomain *domain, gpointer addr)
5104 {
5105 #ifdef __ia64__
5106 gpointer *desc;
5107
5108 desc = mono_domain_code_reserve (domain, 2 * sizeof (gpointer));
5109
5110 desc [0] = addr;
5111 desc [1] = NULL;
5112
5113 return desc;
5114 #elif defined(__ppc64__) || defined(__powerpc64__)
5115 gpointer *desc;
5116
5117 desc = mono_domain_alloc0 (domain, 3 * sizeof (gpointer));
5118
5119 desc [0] = addr;
5120 desc [1] = NULL;
5121 desc [2] = NULL;
5122
5123 return desc;
5124 #else
5125 return addr;
5126 #endif
5127 }
5128
5129 static gpointer
5130 mini_get_addr_from_ftnptr (gpointer descr)
5131 {
5132 #if defined(__ia64__) || defined(__ppc64__) || defined(__powerpc64__)
5133 return *(gpointer*)descr;
5134 #else
5135 return descr;
5136 #endif
5137 }
5138
5139 static void runtime_invoke_info_free (gpointer value);
5140
5141 static void
5142 mini_create_jit_domain_info (MonoDomain *domain)
5143 {
5144 MonoJitDomainInfo *info = g_new0 (MonoJitDomainInfo, 1);
5145
5146 info->class_init_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
5147 info->jump_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
5148 info->jit_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
5149 info->delegate_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
5150 info->llvm_vcall_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
5151 info->runtime_invoke_hash = g_hash_table_new_full (mono_aligned_addr_hash, NULL, NULL, runtime_invoke_info_free);
5152 info->seq_points = g_hash_table_new (mono_aligned_addr_hash, NULL);
5153 info->arch_seq_points = g_hash_table_new (mono_aligned_addr_hash, NULL);
5154
5155 domain->runtime_info = info;
5156 }
5157
5158 static void
5159 delete_jump_list (gpointer key, gpointer value, gpointer user_data)
5160 {
5161 g_slist_free (value);
5162 }
5163
5164 static void
5165 dynamic_method_info_free (gpointer key, gpointer value, gpointer user_data)
5166 {
5167 MonoJitDynamicMethodInfo *di = value;
5168 mono_code_manager_destroy (di->code_mp);
5169 g_free (di);
5170 }
5171
5172 static void
5173 runtime_invoke_info_free (gpointer value)
5174 {
5175 RuntimeInvokeInfo *info = (RuntimeInvokeInfo*)value;
5176
5177 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
5178 if (info->dyn_call_info)
5179 mono_arch_dyn_call_free (info->dyn_call_info);
5180 #endif
5181 g_free (info);
5182 }
5183
5184 static void
5185 mini_free_jit_domain_info (MonoDomain *domain)
5186 {
5187 MonoJitDomainInfo *info = domain_jit_info (domain);
5188
5189 if (info->jump_target_hash) {
5190 g_hash_table_foreach (info->jump_target_hash, delete_jump_list, NULL);
5191 g_hash_table_destroy (info->jump_target_hash);
5192 }
5193 if (info->jump_target_got_slot_hash) {
5194 g_hash_table_foreach (info->jump_target_got_slot_hash, delete_jump_list, NULL);
5195 g_hash_table_destroy (info->jump_target_got_slot_hash);
5196 }
5197 if (info->dynamic_code_hash) {
5198 g_hash_table_foreach (info->dynamic_code_hash, dynamic_method_info_free, NULL);
5199 g_hash_table_destroy (info->dynamic_code_hash);
5200 }
5201 if (info->method_code_hash)
5202 g_hash_table_destroy (info->method_code_hash);
5203 g_hash_table_destroy (info->class_init_trampoline_hash);
5204 g_hash_table_destroy (info->jump_trampoline_hash);
5205 g_hash_table_destroy (info->jit_trampoline_hash);
5206 g_hash_table_destroy (info->delegate_trampoline_hash);
5207 if (info->static_rgctx_trampoline_hash)
5208 g_hash_table_destroy (info->static_rgctx_trampoline_hash);
5209 g_hash_table_destroy (info->llvm_vcall_trampoline_hash);
5210 g_hash_table_destroy (info->runtime_invoke_hash);
5211
5212 if (info->agent_info)
5213 mono_debugger_agent_free_domain_info (domain);
5214
5215 g_free (domain->runtime_info);
5216 domain->runtime_info = NULL;
5217 }
5218
5219 MonoDomain *
5220 mini_init (const char *filename, const char *runtime_version)
5221 {
5222 MonoDomain *domain;
5223 MonoRuntimeCallbacks callbacks;
5224
5225 MONO_PROBE_VES_INIT_BEGIN ();
5226
5227 #ifdef __linux__
5228 if (access ("/proc/self/maps", F_OK) != 0) {
5229 g_print ("Mono requires /proc to be mounted.\n");
5230 exit (1);
5231 }
5232 #endif
5233
5234 /* Happens when using the embedding interface */
5235 if (!default_opt_set)
5236 default_opt = mono_parse_default_optimizations (NULL);
5237
5238 InitializeCriticalSection (&jit_mutex);
5239
5240 #ifdef MONO_DEBUGGER_SUPPORTED
5241 if (mini_debug_running_inside_mdb ())
5242 mini_debugger_init ();
5243 #endif
5244
5245 #ifdef MONO_ARCH_HAVE_TLS_GET
5246 mono_runtime_set_has_tls_get (TRUE);
5247 #else
5248 mono_runtime_set_has_tls_get (FALSE);
5249 #endif
5250
5251 if (!global_codeman)
5252 global_codeman = mono_code_manager_new ();
5253 jit_icall_name_hash = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
5254
5255 memset (&callbacks, 0, sizeof (callbacks));
5256 callbacks.create_ftnptr = mini_create_ftnptr;
5257 callbacks.get_addr_from_ftnptr = mini_get_addr_from_ftnptr;
5258 callbacks.get_runtime_build_info = mono_get_runtime_build_info;
5259
5260 mono_install_callbacks (&callbacks);
5261
5262 mono_arch_cpu_init ();
5263
5264 mono_arch_init ();
5265
5266 mono_unwind_init ();
5267
5268 mini_gc_init ();
5269
5270 if (getenv ("MONO_DEBUG") != NULL)
5271 mini_parse_debug_options ();
5272
5273 if (getenv ("MONO_XDEBUG")) {
5274 char *xdebug_opts = getenv ("MONO_XDEBUG");
5275 mono_xdebug_init (xdebug_opts);
5276 /* So methods for multiple domains don't have the same address */
5277 mono_dont_free_domains = TRUE;
5278 mono_using_xdebug = TRUE;
5279 } else if (mini_get_debug_options ()->gdb) {
5280 mono_xdebug_init ((char*)"gdb");
5281 mono_dont_free_domains = TRUE;
5282 mono_using_xdebug = TRUE;
5283 }
5284
5285 #ifdef ENABLE_LLVM
5286 mono_llvm_init ();
5287 #endif
5288
5289 mono_trampolines_init ();
5290
5291 if (!g_thread_supported ())
5292 g_thread_init (NULL);
5293
5294 mono_gc_base_init ();
5295
5296 mono_jit_tls_id = TlsAlloc ();
5297 setup_jit_tls_data ((gpointer)-1, mono_thread_abort);
5298
5299 if (default_opt & MONO_OPT_AOT)
5300 mono_aot_init ();
5301
5302 mono_debugger_agent_init ();
5303
5304 #ifdef MONO_ARCH_GSHARED_SUPPORTED
5305 mono_set_generic_sharing_supported (TRUE);
5306 #endif
5307
5308 #ifndef MONO_CROSS_COMPILE
5309 mono_runtime_install_handlers ();
5310 #endif
5311 mono_threads_install_cleanup (mini_thread_cleanup);
5312
5313 #ifdef MONO_ARCH_HAVE_NOTIFY_PENDING_EXC
5314 // This is experimental code so provide an env var to switch it off
5315 if (getenv ("MONO_DISABLE_PENDING_EXCEPTIONS")) {
5316 printf ("MONO_DISABLE_PENDING_EXCEPTIONS env var set.\n");
5317 } else {
5318 check_for_pending_exc = FALSE;
5319 mono_threads_install_notify_pending_exc (mono_arch_notify_pending_exc);
5320 }
5321 #endif
5322
5323 #define JIT_TRAMPOLINES_WORK
5324 #ifdef JIT_TRAMPOLINES_WORK
5325 mono_install_compile_method (mono_jit_compile_method);
5326 mono_install_free_method (mono_jit_free_method);
5327 #ifdef MONO_ARCH_LLVM_SUPPORTED
5328 if (mono_use_llvm)
5329 /* The runtime currently only uses this for filling out vtables */
5330 mono_install_trampoline (mono_create_llvm_vcall_trampoline);
5331 else
5332 mono_install_trampoline (mono_create_jit_trampoline);
5333 #else
5334 mono_install_trampoline (mono_create_jit_trampoline);
5335 #endif
5336 mono_install_jump_trampoline (mono_create_jump_trampoline);
5337 mono_install_remoting_trampoline (mono_jit_create_remoting_trampoline);
5338 mono_install_delegate_trampoline (mono_create_delegate_trampoline);
5339 mono_install_create_domain_hook (mini_create_jit_domain_info);
5340 mono_install_free_domain_hook (mini_free_jit_domain_info);
5341 #endif
5342 #define JIT_INVOKE_WORKS
5343 #ifdef JIT_INVOKE_WORKS
5344 mono_install_runtime_invoke (mono_jit_runtime_invoke);
5345 #endif
5346 mono_install_stack_walk (mono_jit_walk_stack);
5347 mono_install_get_cached_class_info (mono_aot_get_cached_class_info);
5348 mono_install_get_class_from_name (mono_aot_get_class_from_name);
5349 mono_install_jit_info_find_in_aot (mono_aot_find_jit_info);
5350
5351 if (runtime_version)
5352 domain = mono_init_version (filename, runtime_version);
5353 else
5354 domain = mono_init_from_assembly (filename, filename);
5355
5356 if (mono_aot_only) {
5357 /* This helps catch code allocation requests */
5358 mono_code_manager_set_read_only (domain->code_mp);
5359 }
5360
5361 #ifdef MONO_ARCH_HAVE_IMT
5362 if (mono_use_imt) {
5363 if (mono_aot_only)
5364 mono_install_imt_thunk_builder (mono_aot_get_imt_thunk);
5365 else
5366 mono_install_imt_thunk_builder (mono_arch_build_imt_thunk);
5367 if (!mono_use_llvm) {
5368 /* LLVM needs a per-method vtable trampoline */
5369 mono_install_vtable_trampoline (mini_get_vtable_trampoline ());
5370 /*
5371 * The imt code in mono_magic_trampoline () can't handle LLVM code. By disabling
5372 * this, we force iface calls to go through the llvm vcall trampoline.
5373 */
5374 mono_install_imt_trampoline (mini_get_imt_trampoline ());
5375 }
5376 }
5377 #endif
5378
5379 /* This must come after mono_init () in the aot-only case */
5380 mono_exceptions_init ();
5381 mono_install_handler (mono_get_throw_exception ());
5382
5383 mono_icall_init ();
5384
5385 mono_add_internal_call ("System.Diagnostics.StackFrame::get_frame_info",
5386 ves_icall_get_frame_info);
5387 mono_add_internal_call ("System.Diagnostics.StackTrace::get_trace",
5388 ves_icall_get_trace);
5389 mono_add_internal_call ("System.Exception::get_trace",
5390 ves_icall_System_Exception_get_trace);
5391 mono_add_internal_call ("System.Security.SecurityFrame::_GetSecurityFrame",
5392 ves_icall_System_Security_SecurityFrame_GetSecurityFrame);
5393 mono_add_internal_call ("System.Security.SecurityFrame::_GetSecurityStack",
5394 ves_icall_System_Security_SecurityFrame_GetSecurityStack);
5395 mono_add_internal_call ("Mono.Runtime::mono_runtime_install_handlers",
5396 mono_runtime_install_handlers);
5397
5398
5399 create_helper_signature ();
5400
5401 #define JIT_CALLS_WORK
5402 #ifdef JIT_CALLS_WORK
5403 /* Needs to be called here since register_jit_icall depends on it */
5404 mono_marshal_init ();
5405
5406 mono_arch_register_lowlevel_calls ();
5407 register_icall (mono_profiler_method_enter, "mono_profiler_method_enter", NULL, TRUE);
5408 register_icall (mono_profiler_method_leave, "mono_profiler_method_leave", NULL, TRUE);
5409 register_icall (mono_trace_enter_method, "mono_trace_enter_method", NULL, TRUE);
5410 register_icall (mono_trace_leave_method, "mono_trace_leave_method", NULL, TRUE);
5411 register_icall (mono_get_lmf_addr, "mono_get_lmf_addr", "ptr", TRUE);
5412 register_icall (mono_jit_thread_attach, "mono_jit_thread_attach", "void", TRUE);
5413 register_icall (mono_domain_get, "mono_domain_get", "ptr", TRUE);
5414
5415 register_icall (mono_get_throw_exception (), "mono_arch_throw_exception", "void object", TRUE);
5416 register_icall (mono_get_rethrow_exception (), "mono_arch_rethrow_exception", "void object", TRUE);
5417 register_icall (mono_get_throw_exception_by_name (), "mono_arch_throw_exception_by_name", "void ptr", TRUE);
5418 #if MONO_ARCH_HAVE_THROW_CORLIB_EXCEPTION
5419 register_icall (mono_get_throw_corlib_exception (), "mono_arch_throw_corlib_exception",
5420 "void ptr", TRUE);
5421 #endif
5422 register_icall (mono_thread_get_undeniable_exception, "mono_thread_get_undeniable_exception", "object", FALSE);
5423 register_icall (mono_thread_interruption_checkpoint, "mono_thread_interruption_checkpoint", "void", FALSE);
5424 register_icall (mono_thread_force_interruption_checkpoint, "mono_thread_force_interruption_checkpoint", "void", FALSE);
5425 register_icall (mono_load_remote_field_new, "mono_load_remote_field_new", "object object ptr ptr", FALSE);
5426 register_icall (mono_store_remote_field_new, "mono_store_remote_field_new", "void object ptr ptr object", FALSE);
5427
5428 /*
5429 * NOTE, NOTE, NOTE, NOTE:
5430 * when adding emulation for some opcodes, remember to also add a dummy
5431 * rule to the burg files, because we need the arity information to be correct.
5432 */
5433 #ifndef MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS
5434 mono_register_opcode_emulation (OP_LMUL, "__emul_lmul", "long long long", mono_llmult, TRUE);
5435 mono_register_opcode_emulation (OP_LDIV, "__emul_ldiv", "long long long", mono_lldiv, FALSE);
5436 mono_register_opcode_emulation (OP_LDIV_UN, "__emul_ldiv_un", "long long long", mono_lldiv_un, FALSE);
5437 mono_register_opcode_emulation (OP_LREM, "__emul_lrem", "long long long", mono_llrem, FALSE);
5438 mono_register_opcode_emulation (OP_LREM_UN, "__emul_lrem_un", "long long long", mono_llrem_un, FALSE);
5439 mono_register_opcode_emulation (OP_LMUL_OVF_UN, "__emul_lmul_ovf_un", "long long long", mono_llmult_ovf_un, FALSE);
5440 mono_register_opcode_emulation (OP_LMUL_OVF, "__emul_lmul_ovf", "long long long", mono_llmult_ovf, FALSE);
5441 #endif
5442
5443 #ifndef MONO_ARCH_NO_EMULATE_LONG_SHIFT_OPS
5444 mono_register_opcode_emulation (OP_LSHL, "__emul_lshl", "long long int32", mono_lshl, TRUE);
5445 mono_register_opcode_emulation (OP_LSHR, "__emul_lshr", "long long int32", mono_lshr, TRUE);
5446 mono_register_opcode_emulation (OP_LSHR_UN, "__emul_lshr_un", "long long int32", mono_lshr_un, TRUE);
5447 #endif
5448
5449 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_DIV)
5450 mono_register_opcode_emulation (CEE_DIV, "__emul_idiv", "int32 int32 int32", mono_idiv, FALSE);
5451 mono_register_opcode_emulation (CEE_DIV_UN, "__emul_idiv_un", "int32 int32 int32", mono_idiv_un, FALSE);
5452 mono_register_opcode_emulation (CEE_REM, "__emul_irem", "int32 int32 int32", mono_irem, FALSE);
5453 mono_register_opcode_emulation (CEE_REM_UN, "__emul_irem_un", "int32 int32 int32", mono_irem_un, FALSE);
5454 mono_register_opcode_emulation (OP_IDIV, "__emul_op_idiv", "int32 int32 int32", mono_idiv, FALSE);
5455 mono_register_opcode_emulation (OP_IDIV_UN, "__emul_op_idiv_un", "int32 int32 int32", mono_idiv_un, FALSE);
5456 mono_register_opcode_emulation (OP_IREM, "__emul_op_irem", "int32 int32 int32", mono_irem, FALSE);
5457 mono_register_opcode_emulation (OP_IREM_UN, "__emul_op_irem_un", "int32 int32 int32", mono_irem_un, FALSE);
5458 #endif
5459
5460 #ifdef MONO_ARCH_EMULATE_MUL_DIV
5461 mono_register_opcode_emulation (CEE_MUL, "__emul_imul", "int32 int32 int32", mono_imul, TRUE);
5462 mono_register_opcode_emulation (OP_IMUL, "__emul_op_imul", "int32 int32 int32", mono_imul, TRUE);
5463 #endif
5464
5465 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_MUL_OVF)
5466 mono_register_opcode_emulation (CEE_MUL_OVF, "__emul_imul_ovf", "int32 int32 int32", mono_imul_ovf, FALSE);
5467 mono_register_opcode_emulation (CEE_MUL_OVF_UN, "__emul_imul_ovf_un", "int32 int32 int32", mono_imul_ovf_un, FALSE);
5468 mono_register_opcode_emulation (OP_IMUL_OVF, "__emul_op_imul_ovf", "int32 int32 int32", mono_imul_ovf, FALSE);
5469 mono_register_opcode_emulation (OP_IMUL_OVF_UN, "__emul_op_imul_ovf_un", "int32 int32 int32", mono_imul_ovf_un, FALSE);
5470 #endif
5471
5472 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_SOFT_FLOAT)
5473 mono_register_opcode_emulation (OP_FDIV, "__emul_fdiv", "double double double", mono_fdiv, FALSE);
5474 #endif
5475
5476 mono_register_opcode_emulation (OP_FCONV_TO_U8, "__emul_fconv_to_u8", "ulong double", mono_fconv_u8, FALSE);
5477 mono_register_opcode_emulation (OP_FCONV_TO_U4, "__emul_fconv_to_u4", "uint32 double", mono_fconv_u4, FALSE);
5478 mono_register_opcode_emulation (OP_FCONV_TO_OVF_I8, "__emul_fconv_to_ovf_i8", "long double", mono_fconv_ovf_i8, FALSE);
5479 mono_register_opcode_emulation (OP_FCONV_TO_OVF_U8, "__emul_fconv_to_ovf_u8", "ulong double", mono_fconv_ovf_u8, FALSE);
5480
5481 #ifdef MONO_ARCH_EMULATE_FCONV_TO_I8
5482 mono_register_opcode_emulation (OP_FCONV_TO_I8, "__emul_fconv_to_i8", "long double", mono_fconv_i8, FALSE);
5483 #endif
5484 #ifdef MONO_ARCH_EMULATE_CONV_R8_UN
5485 mono_register_opcode_emulation (CEE_CONV_R_UN, "__emul_conv_r_un", "double int32", mono_conv_to_r8_un, FALSE);
5486 mono_register_opcode_emulation (OP_ICONV_TO_R_UN, "__emul_iconv_to_r_un", "double int32", mono_conv_to_r8_un, FALSE);
5487 #endif
5488 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8
5489 mono_register_opcode_emulation (OP_LCONV_TO_R8, "__emul_lconv_to_r8", "double long", mono_lconv_to_r8, FALSE);
5490 #endif
5491 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R4
5492 mono_register_opcode_emulation (OP_LCONV_TO_R4, "__emul_lconv_to_r4", "float long", mono_lconv_to_r4, FALSE);
5493 #endif
5494 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8_UN
5495 mono_register_opcode_emulation (OP_LCONV_TO_R_UN, "__emul_lconv_to_r8_un", "double long", mono_lconv_to_r8_un, FALSE);
5496 #endif
5497 #ifdef MONO_ARCH_EMULATE_FREM
5498 mono_register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", fmod, FALSE);
5499 #endif
5500
5501 #ifdef MONO_ARCH_SOFT_FLOAT
5502 mono_register_opcode_emulation (OP_FSUB, "__emul_fsub", "double double double", mono_fsub, FALSE);
5503 mono_register_opcode_emulation (OP_FADD, "__emul_fadd", "double double double", mono_fadd, FALSE);
5504 mono_register_opcode_emulation (OP_FMUL, "__emul_fmul", "double double double", mono_fmul, FALSE);
5505 mono_register_opcode_emulation (OP_FNEG, "__emul_fneg", "double double", mono_fneg, FALSE);
5506 mono_register_opcode_emulation (CEE_CONV_R8, "__emul_conv_r8", "double int32", mono_conv_to_r8, FALSE);
5507 mono_register_opcode_emulation (OP_ICONV_TO_R8, "__emul_iconv_to_r8", "double int32", mono_conv_to_r8, FALSE);
5508 mono_register_opcode_emulation (CEE_CONV_R4, "__emul_conv_r4", "double int32", mono_conv_to_r4, FALSE);
5509 mono_register_opcode_emulation (OP_ICONV_TO_R4, "__emul_iconv_to_r4", "double int32", mono_conv_to_r4, FALSE);
5510 mono_register_opcode_emulation (OP_FCONV_TO_R4, "__emul_fconv_to_r4", "double double", mono_fconv_r4, FALSE);
5511 mono_register_opcode_emulation (OP_FCONV_TO_I1, "__emul_fconv_to_i1", "int8 double", mono_fconv_i1, FALSE);
5512 mono_register_opcode_emulation (OP_FCONV_TO_I2, "__emul_fconv_to_i2", "int16 double", mono_fconv_i2, FALSE);
5513 mono_register_opcode_emulation (OP_FCONV_TO_I4, "__emul_fconv_to_i4", "int32 double", mono_fconv_i4, FALSE);
5514 mono_register_opcode_emulation (OP_FCONV_TO_U1, "__emul_fconv_to_u1", "uint8 double", mono_fconv_u1, FALSE);
5515 mono_register_opcode_emulation (OP_FCONV_TO_U2, "__emul_fconv_to_u2", "uint16 double", mono_fconv_u2, FALSE);
5516 #if SIZEOF_VOID_P == 4
5517 mono_register_opcode_emulation (OP_FCONV_TO_I, "__emul_fconv_to_i", "int32 double", mono_fconv_i4, FALSE);
5518 #endif
5519
5520 mono_register_opcode_emulation (OP_FBEQ, "__emul_fcmp_eq", "uint32 double double", mono_fcmp_eq, FALSE);
5521 mono_register_opcode_emulation (OP_FBLT, "__emul_fcmp_lt", "uint32 double double", mono_fcmp_lt, FALSE);
5522 mono_register_opcode_emulation (OP_FBGT, "__emul_fcmp_gt", "uint32 double double", mono_fcmp_gt, FALSE);
5523 mono_register_opcode_emulation (OP_FBLE, "__emul_fcmp_le", "uint32 double double", mono_fcmp_le, FALSE);
5524 mono_register_opcode_emulation (OP_FBGE, "__emul_fcmp_ge", "uint32 double double", mono_fcmp_ge, FALSE);
5525 mono_register_opcode_emulation (OP_FBNE_UN, "__emul_fcmp_ne_un", "uint32 double double", mono_fcmp_ne_un, FALSE);
5526 mono_register_opcode_emulation (OP_FBLT_UN, "__emul_fcmp_lt_un", "uint32 double double", mono_fcmp_lt_un, FALSE);
5527 mono_register_opcode_emulation (OP_FBGT_UN, "__emul_fcmp_gt_un", "uint32 double double", mono_fcmp_gt_un, FALSE);
5528 mono_register_opcode_emulation (OP_FBLE_UN, "__emul_fcmp_le_un", "uint32 double double", mono_fcmp_le_un, FALSE);
5529 mono_register_opcode_emulation (OP_FBGE_UN, "__emul_fcmp_ge_un", "uint32 double double", mono_fcmp_ge_un, FALSE);
5530
5531 mono_register_opcode_emulation (OP_FCEQ, "__emul_fcmp_ceq", "uint32 double double", mono_fceq, FALSE);
5532 mono_register_opcode_emulation (OP_FCGT, "__emul_fcmp_cgt", "uint32 double double", mono_fcgt, FALSE);
5533 mono_register_opcode_emulation (OP_FCGT_UN, "__emul_fcmp_cgt_un", "uint32 double double", mono_fcgt_un, FALSE);
5534 mono_register_opcode_emulation (OP_FCLT, "__emul_fcmp_clt", "uint32 double double", mono_fclt, FALSE);
5535 mono_register_opcode_emulation (OP_FCLT_UN, "__emul_fcmp_clt_un", "uint32 double double", mono_fclt_un, FALSE);
5536
5537 register_icall (mono_fload_r4, "mono_fload_r4", "double ptr", FALSE);
5538 register_icall (mono_fstore_r4, "mono_fstore_r4", "void double ptr", FALSE);
5539 register_icall (mono_fload_r4_arg, "mono_fload_r4_arg", "uint32 double", FALSE);
5540 register_icall (mono_isfinite, "mono_isfinite", "uint32 double", FALSE);
5541 #endif
5542
5543 #if SIZEOF_REGISTER == 4
5544 mono_register_opcode_emulation (OP_FCONV_TO_U, "__emul_fconv_to_u", "uint32 double", mono_fconv_u4, TRUE);
5545 #endif
5546
5547 /* other jit icalls */
5548 register_icall (mono_delegate_ctor, "mono_delegate_ctor", "void object object ptr", FALSE);
5549 register_icall (mono_class_static_field_address , "mono_class_static_field_address",
5550 "ptr ptr ptr", FALSE);
5551 register_icall (mono_ldtoken_wrapper, "mono_ldtoken_wrapper", "ptr ptr ptr ptr", FALSE);
5552 register_icall (mono_ldtoken_wrapper_generic_shared, "mono_ldtoken_wrapper_generic_shared",
5553 "ptr ptr ptr ptr", FALSE);
5554 register_icall (mono_get_special_static_data, "mono_get_special_static_data", "ptr int", FALSE);
5555 register_icall (mono_ldstr, "mono_ldstr", "object ptr ptr int32", FALSE);
5556 register_icall (mono_helper_stelem_ref_check, "helper_stelem_ref_check", "void object object", FALSE);
5557 register_icall (mono_object_new, "mono_object_new", "object ptr ptr", FALSE);
5558 register_icall (mono_object_new_specific, "mono_object_new_specific", "object ptr", FALSE);
5559 register_icall (mono_array_new, "mono_array_new", "object ptr ptr int32", FALSE);
5560 register_icall (mono_array_new_specific, "mono_array_new_specific", "object ptr int32", FALSE);
5561 register_icall (mono_runtime_class_init, "mono_runtime_class_init", "void ptr", FALSE);
5562 register_icall (mono_ldftn, "mono_ldftn", "ptr ptr", FALSE);
5563 register_icall (mono_ldvirtfn, "mono_ldvirtfn", "ptr object ptr", FALSE);
5564 register_icall (mono_ldvirtfn_gshared, "mono_ldvirtfn_gshared", "ptr object ptr", FALSE);
5565 register_icall (mono_helper_compile_generic_method, "compile_generic_method", "ptr object ptr ptr", FALSE);
5566 register_icall (mono_helper_ldstr, "helper_ldstr", "object ptr int", FALSE);
5567 register_icall (mono_helper_ldstr_mscorlib, "helper_ldstr_mscorlib", "object int", FALSE);
5568 register_icall (mono_helper_newobj_mscorlib, "helper_newobj_mscorlib", "object int", FALSE);
5569 register_icall (mono_value_copy, "mono_value_copy", "void ptr ptr ptr", FALSE);
5570 register_icall (mono_object_castclass, "mono_object_castclass", "object object ptr", FALSE);
5571 register_icall (mono_break, "mono_break", NULL, TRUE);
5572 register_icall (mono_create_corlib_exception_0, "mono_create_corlib_exception_0", "object int", TRUE);
5573 register_icall (mono_create_corlib_exception_1, "mono_create_corlib_exception_1", "object int object", TRUE);
5574 register_icall (mono_create_corlib_exception_2, "mono_create_corlib_exception_2", "object int object object", TRUE);
5575 register_icall (mono_array_new_1, "mono_array_new_1", "object ptr int", FALSE);
5576 register_icall (mono_array_new_2, "mono_array_new_2", "object ptr int int", FALSE);
5577 register_icall (mono_get_native_calli_wrapper, "mono_get_native_calli_wrapper", "ptr ptr ptr ptr", FALSE);
5578 #endif
5579
5580 mono_generic_sharing_init ();
5581
5582 #ifdef MONO_ARCH_SIMD_INTRINSICS
5583 mono_simd_intrinsics_init ();
5584 #endif
5585
5586 #if MONO_SUPPORT_TASKLETS
5587 mono_tasklets_init ();
5588 #endif
5589
5590 if (mono_compile_aot)
5591 /*
5592 * Avoid running managed code when AOT compiling, since the platform
5593 * might only support aot-only execution.
5594 */
5595 mono_runtime_set_no_exec (TRUE);
5596
5597 #define JIT_RUNTIME_WORKS
5598 #ifdef JIT_RUNTIME_WORKS
5599 mono_install_runtime_cleanup ((MonoDomainFunc)mini_cleanup);
5600 mono_runtime_init (domain, mono_thread_start_cb, mono_thread_attach_cb);
5601 mono_thread_attach (domain);
5602 #endif
5603
5604 mono_profiler_runtime_initialized ();
5605
5606 MONO_PROBE_VES_INIT_END ();
5607
5608 return domain;
5609 }
5610
5611 MonoJitStats mono_jit_stats = {0};
5612
5613 static void
5614 print_jit_stats (void)
5615 {
5616 if (mono_jit_stats.enabled) {
5617 g_print ("Mono Jit statistics\n");
5618 g_print ("Compiled methods: %ld\n", mono_jit_stats.methods_compiled);
5619 g_print ("Methods from AOT: %ld\n", mono_jit_stats.methods_aot);
5620 g_print ("Methods cache lookup: %ld\n", mono_jit_stats.methods_lookups);
5621 g_print ("Method trampolines: %ld\n", mono_jit_stats.method_trampolines);
5622 g_print ("Basic blocks: %ld\n", mono_jit_stats.basic_blocks);
5623 g_print ("Max basic blocks: %ld\n", mono_jit_stats.max_basic_blocks);
5624 g_print ("Allocated vars: %ld\n", mono_jit_stats.allocate_var);
5625 g_print ("Compiled CIL code size: %ld\n", mono_jit_stats.cil_code_size);
5626 g_print ("Native code size: %ld\n", mono_jit_stats.native_code_size);
5627 g_print ("Max code size ratio: %.2f (%s)\n", mono_jit_stats.max_code_size_ratio/100.0,
5628 mono_jit_stats.max_ratio_method);
5629 g_print ("Biggest method: %ld (%s)\n", mono_jit_stats.biggest_method_size,
5630 mono_jit_stats.biggest_method);
5631 g_print ("Code reallocs: %ld\n", mono_jit_stats.code_reallocs);
5632 g_print ("Allocated code size: %ld\n", mono_jit_stats.allocated_code_size);
5633 g_print ("Inlineable methods: %ld\n", mono_jit_stats.inlineable_methods);
5634 g_print ("Inlined methods: %ld\n", mono_jit_stats.inlined_methods);
5635 g_print ("Regvars: %ld\n", mono_jit_stats.regvars);
5636 g_print ("Locals stack size: %ld\n", mono_jit_stats.locals_stack_size);
5637
5638 g_print ("\nCreated object count: %ld\n", mono_stats.new_object_count);
5639 g_print ("Delegates created: %ld\n", mono_stats.delegate_creations);
5640 g_print ("Initialized classes: %ld\n", mono_stats.initialized_class_count);
5641 g_print ("Used classes: %ld\n", mono_stats.used_class_count);
5642 g_print ("Generic vtables: %ld\n", mono_stats.generic_vtable_count);
5643 g_print ("Methods: %ld\n", mono_stats.method_count);
5644 g_print ("Static data size: %ld\n", mono_stats.class_static_data_size);
5645 g_print ("VTable data size: %ld\n", mono_stats.class_vtable_size);
5646 g_print ("Mscorlib mempool size: %d\n", mono_mempool_get_allocated (mono_defaults.corlib->mempool));
5647
5648 g_print ("\nInitialized classes: %ld\n", mono_stats.generic_class_count);
5649 g_print ("Inflated types: %ld\n", mono_stats.inflated_type_count);
5650 g_print ("Generics virtual invokes: %ld\n", mono_jit_stats.generic_virtual_invocations);
5651
5652 g_print ("Sharable generic methods: %ld\n", mono_stats.generics_sharable_methods);
5653 g_print ("Unsharable generic methods: %ld\n", mono_stats.generics_unsharable_methods);
5654 g_print ("Shared generic methods: %ld\n", mono_stats.generics_shared_methods);
5655
5656 g_print ("Dynamic code allocs: %ld\n", mono_stats.dynamic_code_alloc_count);
5657 g_print ("Dynamic code bytes: %ld\n", mono_stats.dynamic_code_bytes_count);
5658 g_print ("Dynamic code frees: %ld\n", mono_stats.dynamic_code_frees_count);
5659
5660 g_print ("IMT tables size: %ld\n", mono_stats.imt_tables_size);
5661 g_print ("IMT number of tables: %ld\n", mono_stats.imt_number_of_tables);
5662 g_print ("IMT number of methods: %ld\n", mono_stats.imt_number_of_methods);
5663 g_print ("IMT used slots: %ld\n", mono_stats.imt_used_slots);
5664 g_print ("IMT colliding slots: %ld\n", mono_stats.imt_slots_with_collisions);
5665 g_print ("IMT max collisions: %ld\n", mono_stats.imt_max_collisions_in_slot);
5666 g_print ("IMT methods at max col: %ld\n", mono_stats.imt_method_count_when_max_collisions);
5667 g_print ("IMT thunks size: %ld\n", mono_stats.imt_thunks_size);
5668
5669 g_print ("JIT info table inserts: %ld\n", mono_stats.jit_info_table_insert_count);
5670 g_print ("JIT info table removes: %ld\n", mono_stats.jit_info_table_remove_count);
5671 g_print ("JIT info table lookups: %ld\n", mono_stats.jit_info_table_lookup_count);
5672
5673 g_print ("Hazardous pointers: %ld\n", mono_stats.hazardous_pointer_count);
5674 #ifdef HAVE_SGEN_GC
5675 g_print ("Minor GC collections: %ld\n", mono_stats.minor_gc_count);
5676 #endif
5677 g_print ("Major GC collections: %ld\n", mono_stats.major_gc_count);
5678 #ifdef HAVE_SGEN_GC
5679 g_print ("Minor GC time in msecs: %lf\n", (double)mono_stats.minor_gc_time_usecs / 1000.0);
5680 #endif
5681 g_print ("Major GC time in msecs: %lf\n", (double)mono_stats.major_gc_time_usecs / 1000.0);
5682 if (mono_security_get_mode () == MONO_SECURITY_MODE_CAS) {
5683 g_print ("\nDecl security check : %ld\n", mono_jit_stats.cas_declsec_check);
5684 g_print ("LinkDemand (user) : %ld\n", mono_jit_stats.cas_linkdemand);
5685 g_print ("LinkDemand (icall) : %ld\n", mono_jit_stats.cas_linkdemand_icall);
5686 g_print ("LinkDemand (pinvoke) : %ld\n", mono_jit_stats.cas_linkdemand_pinvoke);
5687 g_print ("LinkDemand (aptc) : %ld\n", mono_jit_stats.cas_linkdemand_aptc);
5688 g_print ("Demand (code gen) : %ld\n", mono_jit_stats.cas_demand_generation);
5689 }
5690
5691 g_free (mono_jit_stats.max_ratio_method);
5692 mono_jit_stats.max_ratio_method = NULL;
5693 g_free (mono_jit_stats.biggest_method);
5694 mono_jit_stats.biggest_method = NULL;
5695 }
5696 }
5697
5698 void
5699 mini_cleanup (MonoDomain *domain)
5700 {
5701 mono_runtime_shutdown_stat_profiler ();
5702
5703 #ifndef DISABLE_COM
5704 cominterop_release_all_rcws ();
5705 #endif
5706
5707 #ifndef MONO_CROSS_COMPILE
5708 /*
5709 * mono_runtime_cleanup() and mono_domain_finalize () need to
5710 * be called early since they need the execution engine still
5711 * fully working (mono_domain_finalize may invoke managed finalizers
5712 * and mono_runtime_cleanup will wait for other threads to finish).
5713 */
5714 mono_domain_finalize (domain, 2000);
5715 #endif
5716
5717 /* This accesses metadata so needs to be called before runtime shutdown */
5718 print_jit_stats ();
5719
5720 mono_profiler_shutdown ();
5721
5722 #ifndef MONO_CROSS_COMPILE
5723 mono_runtime_cleanup (domain);
5724 #endif
5725
5726 mono_icall_cleanup ();
5727
5728 mono_runtime_cleanup_handlers ();
5729
5730 mono_domain_free (domain, TRUE);
5731
5732 mono_debugger_cleanup ();
5733
5734 #ifdef ENABLE_LLVM
5735 mono_llvm_cleanup ();
5736 #endif
5737
5738 mono_trampolines_cleanup ();
5739
5740 mono_unwind_cleanup ();
5741
5742 if (!mono_dont_free_global_codeman)
5743 mono_code_manager_destroy (global_codeman);
5744 g_hash_table_destroy (jit_icall_name_hash);
5745 g_free (emul_opcode_map);
5746
5747 mono_arch_cleanup ();
5748
5749 mono_cleanup ();
5750
5751 mono_trace_cleanup ();
5752
5753 mono_counters_dump (-1, stdout);
5754
5755 if (mono_inject_async_exc_method)
5756 mono_method_desc_free (mono_inject_async_exc_method);
5757
5758 TlsFree(mono_jit_tls_id);
5759
5760 DeleteCriticalSection (&jit_mutex);
5761
5762 DeleteCriticalSection (&mono_delegate_section);
5763 }
5764
5765 void
5766 mono_set_defaults (int verbose_level, guint32 opts)
5767 {
5768 mini_verbose = verbose_level;
5769 default_opt = opts;
5770 default_opt_set = TRUE;
5771 }
5772
5773 void
5774 mono_disable_optimizations (guint32 opts)
5775 {
5776 default_opt &= ~opts;
5777 }
5778
5779 /*
5780 * mono_get_runtime_build_info:
5781 *
5782 * Return the runtime version + build date in string format.
5783 * The returned string is owned by the caller.
5784 */
5785 char*
5786 mono_get_runtime_build_info (void)
5787 {
5788 if (mono_build_date)
5789 return g_strdup_printf ("%s (%s %s)", VERSION, FULL_VERSION, mono_build_date);
5790 else
5791 return g_strdup_printf ("%s (%s)", VERSION, FULL_VERSION);
5792 }
5793
5794 static void
5795 mono_precompile_assembly (MonoAssembly *ass, void *user_data)
5796 {
5797 GHashTable *assemblies = (GHashTable*)user_data;
5798 MonoImage *image = mono_assembly_get_image (ass);
5799 MonoMethod *method, *invoke;
5800 int i, count = 0;
5801
5802 if (g_hash_table_lookup (assemblies, ass))
5803 return;
5804
5805 g_hash_table_insert (assemblies, ass, ass);
5806
5807 if (mini_verbose > 0)
5808 printf ("PRECOMPILE: %s.\n", mono_image_get_filename (image));
5809
5810 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_METHOD); ++i) {
5811 method = mono_get_method (image, MONO_TOKEN_METHOD_DEF | (i + 1), NULL);
5812 if (method->flags & METHOD_ATTRIBUTE_ABSTRACT)
5813 continue;
5814
5815 count++;
5816 if (mini_verbose > 1) {
5817 char * desc = mono_method_full_name (method, TRUE);
5818 g_print ("Compiling %d %s\n", count, desc);
5819 g_free (desc);
5820 }
5821 mono_compile_method (method);
5822 if (strcmp (method->name, "Finalize") == 0) {
5823 invoke = mono_marshal_get_runtime_invoke (method, FALSE);
5824 mono_compile_method (invoke);
5825 }
5826 if (method->klass->marshalbyref && mono_method_signature (method)->hasthis) {
5827 invoke = mono_marshal_get_remoting_invoke_with_check (method);
5828 mono_compile_method (invoke);
5829 }
5830 }
5831
5832 /* Load and precompile referenced assemblies as well */
5833 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_ASSEMBLYREF); ++i) {
5834 mono_assembly_load_reference (image, i);
5835 if (image->references [i])
5836 mono_precompile_assembly (image->references [i], assemblies);
5837 }
5838 }
5839
5840 void mono_precompile_assemblies ()
5841 {
5842 GHashTable *assemblies = g_hash_table_new (NULL, NULL);
5843
5844 mono_assembly_foreach ((GFunc)mono_precompile_assembly, assemblies);
5845
5846 g_hash_table_destroy (assemblies);
5847 }
5848
5849 void*
5850 mono_arch_instrument_epilog (MonoCompile *cfg, void *func, void *p, gboolean enable_arguments) {
5851 return mono_arch_instrument_epilog_full (cfg, func, p, enable_arguments, FALSE);
5852 }
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