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2010-05-11 Rodrigo Kumpera <rkumpera@novell.com>
[mono.git] / mono / mini / mini.c
blob397fcf0f0dae3d0627991e6fe75fb61a519962b9
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-internal.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.
118 * Changes when this flag is set include:
119 * - a per method vtable trampoline is used to handle virtual calls, instead of only
120 * one trampoline.
121 * - fast generic virtual calls are not supported.
122 */
123 #ifdef ENABLE_LLVM
124 gboolean mono_use_llvm = TRUE;
125 #else
126 gboolean mono_use_llvm = FALSE;
127 #endif
128
129 #define mono_jit_lock() EnterCriticalSection (&jit_mutex)
130 #define mono_jit_unlock() LeaveCriticalSection (&jit_mutex)
131 static CRITICAL_SECTION jit_mutex;
132
133 static MonoCodeManager *global_codeman = NULL;
134
135 static GHashTable *jit_icall_name_hash = NULL;
136
137 static MonoDebugOptions debug_options;
138
139 #ifdef VALGRIND_JIT_REGISTER_MAP
140 static int valgrind_register = 0;
141 #endif
142
143 /*
144 * Table written to by the debugger with a 1-based index into the
145 * mono_breakpoint_info table, which contains changes made to
146 * the JIT instructions by the debugger.
147 */
148 gssize
149 mono_breakpoint_info_index [MONO_BREAKPOINT_ARRAY_SIZE];
150
151 /* Whenever to check for pending exceptions in managed-to-native wrappers */
152 gboolean check_for_pending_exc = TRUE;
153
154 /* Whenever to disable passing/returning small valuetypes in registers for managed methods */
155 gboolean disable_vtypes_in_regs = FALSE;
156
157 gboolean mono_dont_free_global_codeman;
158
159 gboolean
160 mono_running_on_valgrind (void)
161 {
162 if (RUNNING_ON_VALGRIND){
163 #ifdef VALGRIND_JIT_REGISTER_MAP
164 valgrind_register = TRUE;
165 #endif
166 return TRUE;
167 } else
168 return FALSE;
169 }
170
171 typedef struct {
172 MonoExceptionClause *clause;
173 MonoBasicBlock *basic_block;
174 int start_offset;
175 } TryBlockHole;
176
177 typedef struct {
178 void *ip;
179 MonoMethod *method;
180 } FindTrampUserData;
181
182 static void
183 find_tramp (gpointer key, gpointer value, gpointer user_data)
184 {
185 FindTrampUserData *ud = (FindTrampUserData*)user_data;
186
187 if (value == ud->ip)
188 ud->method = (MonoMethod*)key;
189 }
190
191 /* debug function */
192 G_GNUC_UNUSED static char*
193 get_method_from_ip (void *ip)
194 {
195 MonoJitInfo *ji;
196 char *method;
197 char *res;
198 MonoDomain *domain = mono_domain_get ();
199 MonoDebugSourceLocation *location;
200 FindTrampUserData user_data;
201
202 ji = mono_jit_info_table_find (domain, ip);
203 if (!ji) {
204 user_data.ip = ip;
205 user_data.method = NULL;
206 mono_domain_lock (domain);
207 g_hash_table_foreach (domain_jit_info (domain)->jit_trampoline_hash, find_tramp, &user_data);
208 mono_domain_unlock (domain);
209 if (user_data.method) {
210 char *mname = mono_method_full_name (user_data.method, TRUE);
211 res = g_strdup_printf ("<%p - JIT trampoline for %s>", ip, mname);
212 g_free (mname);
213 return res;
214 }
215 else
216 return NULL;
217 }
218 method = mono_method_full_name (ji->method, TRUE);
219 /* FIXME: unused ? */
220 location = mono_debug_lookup_source_location (ji->method, (guint32)((guint8*)ip - (guint8*)ji->code_start), domain);
221
222 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);
223
224 mono_debug_free_source_location (location);
225 g_free (method);
226
227 return res;
228 }
229
230 /**
231 * mono_pmip:
232 * @ip: an instruction pointer address
233 *
234 * This method is used from a debugger to get the name of the
235 * method at address @ip. This routine is typically invoked from
236 * a debugger like this:
237 *
238 * (gdb) print mono_pmip ($pc)
239 *
240 * Returns: the name of the method at address @ip.
241 */
242 G_GNUC_UNUSED char *
243 mono_pmip (void *ip)
244 {
245 return get_method_from_ip (ip);
246 }
247
248 /**
249 * mono_print_method_from_ip
250 * @ip: an instruction pointer address
251 *
252 * This method is used from a debugger to get the name of the
253 * method at address @ip.
254 *
255 * This prints the name of the method at address @ip in the standard
256 * output. Unlike mono_pmip which returns a string, this routine
257 * prints the value on the standard output.
258 */
259 void
260 mono_print_method_from_ip (void *ip)
261 {
262 MonoJitInfo *ji;
263 char *method;
264 MonoDebugSourceLocation *source;
265 MonoDomain *domain = mono_domain_get ();
266 MonoDomain *target_domain = mono_domain_get ();
267 FindTrampUserData user_data;
268
269 ji = mini_jit_info_table_find (domain, ip, &target_domain);
270 if (!ji) {
271 user_data.ip = ip;
272 user_data.method = NULL;
273 mono_domain_lock (domain);
274 g_hash_table_foreach (domain_jit_info (domain)->jit_trampoline_hash, find_tramp, &user_data);
275 mono_domain_unlock (domain);
276 if (user_data.method) {
277 char *mname = mono_method_full_name (user_data.method, TRUE);
278 printf ("IP %p is a JIT trampoline for %s\n", ip, mname);
279 g_free (mname);
280 }
281 else
282 g_print ("No method at %p\n", ip);
283 return;
284 }
285 method = mono_method_full_name (ji->method, TRUE);
286 source = mono_debug_lookup_source_location (ji->method, (guint32)((guint8*)ip - (guint8*)ji->code_start), target_domain);
287
288 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);
289
290 if (source)
291 g_print ("%s:%d\n", source->source_file, source->row);
292
293 mono_debug_free_source_location (source);
294 g_free (method);
295 }
296
297 /*
298 * mono_method_same_domain:
299 *
300 * Determine whenever two compiled methods are in the same domain, thus
301 * the address of the callee can be embedded in the caller.
302 */
303 gboolean mono_method_same_domain (MonoJitInfo *caller, MonoJitInfo *callee)
304 {
305 if (!caller || !callee)
306 return FALSE;
307
308 /*
309 * If the call was made from domain-neutral to domain-specific
310 * code, we can't patch the call site.
311 */
312 if (caller->domain_neutral && !callee->domain_neutral)
313 return FALSE;
314
315 if ((caller->method->klass == mono_defaults.appdomain_class) &&
316 (strstr (caller->method->name, "InvokeInDomain"))) {
317 /* The InvokeInDomain methods change the current appdomain */
318 return FALSE;
319 }
320
321 return TRUE;
322 }
323
324 /*
325 * mono_global_codeman_reserve:
326 *
327 * Allocate code memory from the global code manager.
328 */
329 void *mono_global_codeman_reserve (int size)
330 {
331 void *ptr;
332
333 if (mono_aot_only)
334 g_error ("Attempting to allocate from the global code manager while running with --aot-only.\n");
335
336 if (!global_codeman) {
337 /* This can happen during startup */
338 global_codeman = mono_code_manager_new ();
339 return mono_code_manager_reserve (global_codeman, size);
340 }
341 else {
342 mono_jit_lock ();
343 ptr = mono_code_manager_reserve (global_codeman, size);
344 mono_jit_unlock ();
345 return ptr;
346 }
347 }
348
349 /**
350 * mono_create_unwind_op:
351 *
352 * Create an unwind op with the given parameters.
353 */
354 MonoUnwindOp*
355 mono_create_unwind_op (int when, int tag, int reg, int val)
356 {
357 MonoUnwindOp *op = g_new0 (MonoUnwindOp, 1);
358
359 op->op = tag;
360 op->reg = reg;
361 op->val = val;
362 op->when = when;
363
364 return op;
365 }
366
367 /**
368 * mono_emit_unwind_op:
369 *
370 * Add an unwind op with the given parameters for the list of unwind ops stored in
371 * cfg->unwind_ops.
372 */
373 void
374 mono_emit_unwind_op (MonoCompile *cfg, int when, int tag, int reg, int val)
375 {
376 MonoUnwindOp *op = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoUnwindOp));
377
378 op->op = tag;
379 op->reg = reg;
380 op->val = val;
381 op->when = when;
382
383 cfg->unwind_ops = g_slist_append_mempool (cfg->mempool, cfg->unwind_ops, op);
384 }
385
386 MonoJumpInfoToken *
387 mono_jump_info_token_new2 (MonoMemPool *mp, MonoImage *image, guint32 token, MonoGenericContext *context)
388 {
389 MonoJumpInfoToken *res = mono_mempool_alloc0 (mp, sizeof (MonoJumpInfoToken));
390 res->image = image;
391 res->token = token;
392 res->has_context = context != NULL;
393 if (context)
394 memcpy (&res->context, context, sizeof (MonoGenericContext));
395
396 return res;
397 }
398
399 MonoJumpInfoToken *
400 mono_jump_info_token_new (MonoMemPool *mp, MonoImage *image, guint32 token)
401 {
402 return mono_jump_info_token_new2 (mp, image, token, NULL);
403 }
404
405 /*
406 * mono_tramp_info_create:
407 *
408 * Create a MonoTrampInfo structure from the arguments. This function assumes ownership
409 * of NAME, JI, and UNWIND_OPS.
410 */
411 MonoTrampInfo*
412 mono_tramp_info_create (const char *name, guint8 *code, guint32 code_size, MonoJumpInfo *ji, GSList *unwind_ops)
413 {
414 MonoTrampInfo *info = g_new0 (MonoTrampInfo, 1);
415
416 info->name = (char*)name;
417 info->code = code;
418 info->code_size = code_size;
419 info->ji = ji;
420 info->unwind_ops = unwind_ops;
421
422 return info;
423 }
424
425 void
426 mono_tramp_info_free (MonoTrampInfo *info)
427 {
428 g_free (info->name);
429
430 // FIXME: ji + unwind_ops
431 }
432
433 #define MONO_INIT_VARINFO(vi,id) do { \
434 (vi)->range.first_use.pos.bid = 0xffff; \
435 (vi)->reg = -1; \
436 (vi)->idx = (id); \
437 } while (0)
438
439 /**
440 * mono_unlink_bblock:
441 *
442 * Unlink two basic blocks.
443 */
444 void
445 mono_unlink_bblock (MonoCompile *cfg, MonoBasicBlock *from, MonoBasicBlock* to)
446 {
447 int i, pos;
448 gboolean found;
449
450 found = FALSE;
451 for (i = 0; i < from->out_count; ++i) {
452 if (to == from->out_bb [i]) {
453 found = TRUE;
454 break;
455 }
456 }
457 if (found) {
458 pos = 0;
459 for (i = 0; i < from->out_count; ++i) {
460 if (from->out_bb [i] != to)
461 from->out_bb [pos ++] = from->out_bb [i];
462 }
463 g_assert (pos == from->out_count - 1);
464 from->out_count--;
465 }
466
467 found = FALSE;
468 for (i = 0; i < to->in_count; ++i) {
469 if (from == to->in_bb [i]) {
470 found = TRUE;
471 break;
472 }
473 }
474 if (found) {
475 pos = 0;
476 for (i = 0; i < to->in_count; ++i) {
477 if (to->in_bb [i] != from)
478 to->in_bb [pos ++] = to->in_bb [i];
479 }
480 g_assert (pos == to->in_count - 1);
481 to->in_count--;
482 }
483 }
484
485 /*
486 * mono_bblocks_linked:
487 *
488 * Return whenever BB1 and BB2 are linked in the CFG.
489 */
490 gboolean
491 mono_bblocks_linked (MonoBasicBlock *bb1, MonoBasicBlock *bb2)
492 {
493 int i;
494
495 for (i = 0; i < bb1->out_count; ++i) {
496 if (bb1->out_bb [i] == bb2)
497 return TRUE;
498 }
499
500 return FALSE;
501 }
502
503 static int
504 mono_find_block_region_notry (MonoCompile *cfg, int offset)
505 {
506 MonoMethodHeader *header = cfg->header;
507 MonoExceptionClause *clause;
508 int i;
509
510 for (i = 0; i < header->num_clauses; ++i) {
511 clause = &header->clauses [i];
512 if ((clause->flags == MONO_EXCEPTION_CLAUSE_FILTER) && (offset >= clause->data.filter_offset) &&
513 (offset < (clause->handler_offset)))
514 return ((i + 1) << 8) | MONO_REGION_FILTER | clause->flags;
515
516 if (MONO_OFFSET_IN_HANDLER (clause, offset)) {
517 if (clause->flags == MONO_EXCEPTION_CLAUSE_FINALLY)
518 return ((i + 1) << 8) | MONO_REGION_FINALLY | clause->flags;
519 else if (clause->flags == MONO_EXCEPTION_CLAUSE_FAULT)
520 return ((i + 1) << 8) | MONO_REGION_FAULT | clause->flags;
521 else
522 return ((i + 1) << 8) | MONO_REGION_CATCH | clause->flags;
523 }
524 }
525
526 return -1;
527 }
528
529 /*
530 * mono_get_block_region_notry:
531 *
532 * Return the region corresponding to REGION, ignoring try clauses nested inside
533 * finally clauses.
534 */
535 int
536 mono_get_block_region_notry (MonoCompile *cfg, int region)
537 {
538 if ((region & (0xf << 4)) == MONO_REGION_TRY) {
539 MonoMethodHeader *header = cfg->header;
540
541 /*
542 * This can happen if a try clause is nested inside a finally clause.
543 */
544 int clause_index = (region >> 8) - 1;
545 g_assert (clause_index >= 0 && clause_index < header->num_clauses);
546
547 region = mono_find_block_region_notry (cfg, header->clauses [clause_index].try_offset);
548 }
549
550 return region;
551 }
552
553 MonoInst *
554 mono_find_spvar_for_region (MonoCompile *cfg, int region)
555 {
556 region = mono_get_block_region_notry (cfg, region);
557
558 return g_hash_table_lookup (cfg->spvars, GINT_TO_POINTER (region));
559 }
560
561 static void
562 df_visit (MonoBasicBlock *start, int *dfn, MonoBasicBlock **array)
563 {
564 int i;
565
566 array [*dfn] = start;
567 /* g_print ("visit %d at %p (BB%ld)\n", *dfn, start->cil_code, start->block_num); */
568 for (i = 0; i < start->out_count; ++i) {
569 if (start->out_bb [i]->dfn)
570 continue;
571 (*dfn)++;
572 start->out_bb [i]->dfn = *dfn;
573 start->out_bb [i]->df_parent = start;
574 array [*dfn] = start->out_bb [i];
575 df_visit (start->out_bb [i], dfn, array);
576 }
577 }
578
579 guint32
580 mono_reverse_branch_op (guint32 opcode)
581 {
582 static const int reverse_map [] = {
583 CEE_BNE_UN, CEE_BLT, CEE_BLE, CEE_BGT, CEE_BGE,
584 CEE_BEQ, CEE_BLT_UN, CEE_BLE_UN, CEE_BGT_UN, CEE_BGE_UN
585 };
586 static const int reverse_fmap [] = {
587 OP_FBNE_UN, OP_FBLT, OP_FBLE, OP_FBGT, OP_FBGE,
588 OP_FBEQ, OP_FBLT_UN, OP_FBLE_UN, OP_FBGT_UN, OP_FBGE_UN
589 };
590 static const int reverse_lmap [] = {
591 OP_LBNE_UN, OP_LBLT, OP_LBLE, OP_LBGT, OP_LBGE,
592 OP_LBEQ, OP_LBLT_UN, OP_LBLE_UN, OP_LBGT_UN, OP_LBGE_UN
593 };
594 static const int reverse_imap [] = {
595 OP_IBNE_UN, OP_IBLT, OP_IBLE, OP_IBGT, OP_IBGE,
596 OP_IBEQ, OP_IBLT_UN, OP_IBLE_UN, OP_IBGT_UN, OP_IBGE_UN
597 };
598
599 if (opcode >= CEE_BEQ && opcode <= CEE_BLT_UN) {
600 opcode = reverse_map [opcode - CEE_BEQ];
601 } else if (opcode >= OP_FBEQ && opcode <= OP_FBLT_UN) {
602 opcode = reverse_fmap [opcode - OP_FBEQ];
603 } else if (opcode >= OP_LBEQ && opcode <= OP_LBLT_UN) {
604 opcode = reverse_lmap [opcode - OP_LBEQ];
605 } else if (opcode >= OP_IBEQ && opcode <= OP_IBLT_UN) {
606 opcode = reverse_imap [opcode - OP_IBEQ];
607 } else
608 g_assert_not_reached ();
609
610 return opcode;
611 }
612
613 guint
614 mono_type_to_store_membase (MonoCompile *cfg, MonoType *type)
615 {
616 if (type->byref)
617 return OP_STORE_MEMBASE_REG;
618
619 handle_enum:
620 switch (type->type) {
621 case MONO_TYPE_I1:
622 case MONO_TYPE_U1:
623 case MONO_TYPE_BOOLEAN:
624 return OP_STOREI1_MEMBASE_REG;
625 case MONO_TYPE_I2:
626 case MONO_TYPE_U2:
627 case MONO_TYPE_CHAR:
628 return OP_STOREI2_MEMBASE_REG;
629 case MONO_TYPE_I4:
630 case MONO_TYPE_U4:
631 return OP_STOREI4_MEMBASE_REG;
632 case MONO_TYPE_I:
633 case MONO_TYPE_U:
634 case MONO_TYPE_PTR:
635 case MONO_TYPE_FNPTR:
636 return OP_STORE_MEMBASE_REG;
637 case MONO_TYPE_CLASS:
638 case MONO_TYPE_STRING:
639 case MONO_TYPE_OBJECT:
640 case MONO_TYPE_SZARRAY:
641 case MONO_TYPE_ARRAY:
642 return OP_STORE_MEMBASE_REG;
643 case MONO_TYPE_I8:
644 case MONO_TYPE_U8:
645 return OP_STOREI8_MEMBASE_REG;
646 case MONO_TYPE_R4:
647 return OP_STORER4_MEMBASE_REG;
648 case MONO_TYPE_R8:
649 return OP_STORER8_MEMBASE_REG;
650 case MONO_TYPE_VALUETYPE:
651 if (type->data.klass->enumtype) {
652 type = mono_class_enum_basetype (type->data.klass);
653 goto handle_enum;
654 }
655 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (type)))
656 return OP_STOREX_MEMBASE;
657 return OP_STOREV_MEMBASE;
658 case MONO_TYPE_TYPEDBYREF:
659 return OP_STOREV_MEMBASE;
660 case MONO_TYPE_GENERICINST:
661 type = &type->data.generic_class->container_class->byval_arg;
662 goto handle_enum;
663 case MONO_TYPE_VAR:
664 case MONO_TYPE_MVAR:
665 /* FIXME: all the arguments must be references for now,
666 * later look inside cfg and see if the arg num is
667 * really a reference
668 */
669 g_assert (cfg->generic_sharing_context);
670 return OP_STORE_MEMBASE_REG;
671 default:
672 g_error ("unknown type 0x%02x in type_to_store_membase", type->type);
673 }
674 return -1;
675 }
676
677 guint
678 mono_type_to_load_membase (MonoCompile *cfg, MonoType *type)
679 {
680 if (type->byref)
681 return OP_LOAD_MEMBASE;
682
683 type = mono_type_get_underlying_type (type);
684
685 switch (type->type) {
686 case MONO_TYPE_I1:
687 return OP_LOADI1_MEMBASE;
688 case MONO_TYPE_U1:
689 case MONO_TYPE_BOOLEAN:
690 return OP_LOADU1_MEMBASE;
691 case MONO_TYPE_I2:
692 return OP_LOADI2_MEMBASE;
693 case MONO_TYPE_U2:
694 case MONO_TYPE_CHAR:
695 return OP_LOADU2_MEMBASE;
696 case MONO_TYPE_I4:
697 return OP_LOADI4_MEMBASE;
698 case MONO_TYPE_U4:
699 return OP_LOADU4_MEMBASE;
700 case MONO_TYPE_I:
701 case MONO_TYPE_U:
702 case MONO_TYPE_PTR:
703 case MONO_TYPE_FNPTR:
704 return OP_LOAD_MEMBASE;
705 case MONO_TYPE_CLASS:
706 case MONO_TYPE_STRING:
707 case MONO_TYPE_OBJECT:
708 case MONO_TYPE_SZARRAY:
709 case MONO_TYPE_ARRAY:
710 return OP_LOAD_MEMBASE;
711 case MONO_TYPE_I8:
712 case MONO_TYPE_U8:
713 return OP_LOADI8_MEMBASE;
714 case MONO_TYPE_R4:
715 return OP_LOADR4_MEMBASE;
716 case MONO_TYPE_R8:
717 return OP_LOADR8_MEMBASE;
718 case MONO_TYPE_VALUETYPE:
719 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (type)))
720 return OP_LOADX_MEMBASE;
721 case MONO_TYPE_TYPEDBYREF:
722 return OP_LOADV_MEMBASE;
723 case MONO_TYPE_GENERICINST:
724 if (mono_type_generic_inst_is_valuetype (type))
725 return OP_LOADV_MEMBASE;
726 else
727 return OP_LOAD_MEMBASE;
728 break;
729 case MONO_TYPE_VAR:
730 case MONO_TYPE_MVAR:
731 /* FIXME: all the arguments must be references for now,
732 * later look inside cfg and see if the arg num is
733 * really a reference
734 */
735 g_assert (cfg->generic_sharing_context);
736 return OP_LOAD_MEMBASE;
737 default:
738 g_error ("unknown type 0x%02x in type_to_load_membase", type->type);
739 }
740 return -1;
741 }
742
743 static guint
744 mini_type_to_ldind (MonoCompile* cfg, MonoType *type)
745 {
746 if (cfg->generic_sharing_context && !type->byref) {
747 /* FIXME: all the arguments must be references for now,
748 * later look inside cfg and see if the arg num is
749 * really a reference
750 */
751 if (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR)
752 return CEE_LDIND_REF;
753 }
754 return mono_type_to_ldind (type);
755 }
756
757 guint
758 mini_type_to_stind (MonoCompile* cfg, MonoType *type)
759 {
760 if (cfg->generic_sharing_context && !type->byref) {
761 /* FIXME: all the arguments must be references for now,
762 * later look inside cfg and see if the arg num is
763 * really a reference
764 */
765 if (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR)
766 return CEE_STIND_REF;
767 }
768 return mono_type_to_stind (type);
769 }
770
771 int
772 mono_op_imm_to_op (int opcode)
773 {
774 switch (opcode) {
775 case OP_ADD_IMM:
776 #if SIZEOF_REGISTER == 4
777 return OP_IADD;
778 #else
779 return OP_LADD;
780 #endif
781 case OP_IADD_IMM:
782 return OP_IADD;
783 case OP_LADD_IMM:
784 return OP_LADD;
785 case OP_ISUB_IMM:
786 return OP_ISUB;
787 case OP_LSUB_IMM:
788 return OP_LSUB;
789 case OP_IMUL_IMM:
790 return OP_IMUL;
791 case OP_AND_IMM:
792 #if SIZEOF_REGISTER == 4
793 return OP_IAND;
794 #else
795 return OP_LAND;
796 #endif
797 case OP_OR_IMM:
798 #if SIZEOF_REGISTER == 4
799 return OP_IOR;
800 #else
801 return OP_LOR;
802 #endif
803 case OP_XOR_IMM:
804 #if SIZEOF_REGISTER == 4
805 return OP_IXOR;
806 #else
807 return OP_LXOR;
808 #endif
809 case OP_IAND_IMM:
810 return OP_IAND;
811 case OP_LAND_IMM:
812 return OP_LAND;
813 case OP_IOR_IMM:
814 return OP_IOR;
815 case OP_LOR_IMM:
816 return OP_LOR;
817 case OP_IXOR_IMM:
818 return OP_IXOR;
819 case OP_LXOR_IMM:
820 return OP_LXOR;
821 case OP_ISHL_IMM:
822 return OP_ISHL;
823 case OP_LSHL_IMM:
824 return OP_LSHL;
825 case OP_ISHR_IMM:
826 return OP_ISHR;
827 case OP_LSHR_IMM:
828 return OP_LSHR;
829 case OP_ISHR_UN_IMM:
830 return OP_ISHR_UN;
831 case OP_LSHR_UN_IMM:
832 return OP_LSHR_UN;
833 case OP_IDIV_IMM:
834 return OP_IDIV;
835 case OP_IDIV_UN_IMM:
836 return OP_IDIV_UN;
837 case OP_IREM_UN_IMM:
838 return OP_IREM_UN;
839 case OP_IREM_IMM:
840 return OP_IREM;
841 case OP_DIV_IMM:
842 #if SIZEOF_REGISTER == 4
843 return OP_IDIV;
844 #else
845 return OP_LDIV;
846 #endif
847 case OP_REM_IMM:
848 #if SIZEOF_REGISTER == 4
849 return OP_IREM;
850 #else
851 return OP_LREM;
852 #endif
853 case OP_ADDCC_IMM:
854 return OP_ADDCC;
855 case OP_ADC_IMM:
856 return OP_ADC;
857 case OP_SUBCC_IMM:
858 return OP_SUBCC;
859 case OP_SBB_IMM:
860 return OP_SBB;
861 case OP_IADC_IMM:
862 return OP_IADC;
863 case OP_ISBB_IMM:
864 return OP_ISBB;
865 case OP_COMPARE_IMM:
866 return OP_COMPARE;
867 case OP_ICOMPARE_IMM:
868 return OP_ICOMPARE;
869 case OP_LOCALLOC_IMM:
870 return OP_LOCALLOC;
871 default:
872 printf ("%s\n", mono_inst_name (opcode));
873 g_assert_not_reached ();
874 return -1;
875 }
876 }
877
878 /*
879 * mono_decompose_op_imm:
880 *
881 * Replace the OP_.._IMM INS with its non IMM variant.
882 */
883 void
884 mono_decompose_op_imm (MonoCompile *cfg, MonoBasicBlock *bb, MonoInst *ins)
885 {
886 MonoInst *temp;
887
888 MONO_INST_NEW (cfg, temp, OP_ICONST);
889 temp->inst_c0 = ins->inst_imm;
890 temp->dreg = mono_alloc_ireg (cfg);
891 mono_bblock_insert_before_ins (bb, ins, temp);
892 ins->opcode = mono_op_imm_to_op (ins->opcode);
893 if (ins->opcode == OP_LOCALLOC)
894 ins->sreg1 = temp->dreg;
895 else
896 ins->sreg2 = temp->dreg;
897
898 bb->max_vreg = MAX (bb->max_vreg, cfg->next_vreg);
899 }
900
901 static void
902 set_vreg_to_inst (MonoCompile *cfg, int vreg, MonoInst *inst)
903 {
904 if (vreg >= cfg->vreg_to_inst_len) {
905 MonoInst **tmp = cfg->vreg_to_inst;
906 int size = cfg->vreg_to_inst_len;
907
908 while (vreg >= cfg->vreg_to_inst_len)
909 cfg->vreg_to_inst_len = cfg->vreg_to_inst_len ? cfg->vreg_to_inst_len * 2 : 32;
910 cfg->vreg_to_inst = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoInst*) * cfg->vreg_to_inst_len);
911 if (size)
912 memcpy (cfg->vreg_to_inst, tmp, size * sizeof (MonoInst*));
913 }
914 cfg->vreg_to_inst [vreg] = inst;
915 }
916
917 #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)))
918 #define mono_type_is_float(type) (!(type)->byref && (((type)->type == MONO_TYPE_R8) || ((type)->type == MONO_TYPE_R4)))
919
920 #ifdef DISABLE_JIT
921
922 MonoInst*
923 mono_compile_create_var (MonoCompile *cfg, MonoType *type, int opcode)
924 {
925 return NULL;
926 }
927
928 #else
929
930 MonoInst*
931 mono_compile_create_var_for_vreg (MonoCompile *cfg, MonoType *type, int opcode, int vreg)
932 {
933 MonoInst *inst;
934 int num = cfg->num_varinfo;
935 gboolean regpair;
936
937 if ((num + 1) >= cfg->varinfo_count) {
938 int orig_count = cfg->varinfo_count;
939 cfg->varinfo_count = cfg->varinfo_count ? (cfg->varinfo_count * 2) : 64;
940 cfg->varinfo = (MonoInst **)g_realloc (cfg->varinfo, sizeof (MonoInst*) * cfg->varinfo_count);
941 cfg->vars = (MonoMethodVar *)g_realloc (cfg->vars, sizeof (MonoMethodVar) * cfg->varinfo_count);
942 memset (&cfg->vars [orig_count], 0, (cfg->varinfo_count - orig_count) * sizeof (MonoMethodVar));
943 }
944
945 mono_jit_stats.allocate_var++;
946
947 MONO_INST_NEW (cfg, inst, opcode);
948 inst->inst_c0 = num;
949 inst->inst_vtype = type;
950 inst->klass = mono_class_from_mono_type (type);
951 type_to_eval_stack_type (cfg, type, inst);
952 /* if set to 1 the variable is native */
953 inst->backend.is_pinvoke = 0;
954 inst->dreg = vreg;
955
956 cfg->varinfo [num] = inst;
957
958 MONO_INIT_VARINFO (&cfg->vars [num], num);
959 MONO_VARINFO (cfg, num)->vreg = vreg;
960
961 if (vreg != -1)
962 set_vreg_to_inst (cfg, vreg, inst);
963
964 #if SIZEOF_REGISTER == 4
965 #ifdef MONO_ARCH_SOFT_FLOAT
966 regpair = mono_type_is_long (type) || mono_type_is_float (type);
967 #else
968 regpair = mono_type_is_long (type);
969 #endif
970 #else
971 regpair = FALSE;
972 #endif
973
974 if (regpair) {
975 MonoInst *tree;
976
977 /*
978 * These two cannot be allocated using create_var_for_vreg since that would
979 * put it into the cfg->varinfo array, confusing many parts of the JIT.
980 */
981
982 /*
983 * Set flags to VOLATILE so SSA skips it.
984 */
985
986 if (cfg->verbose_level >= 4) {
987 printf (" Create LVAR R%d (R%d, R%d)\n", inst->dreg, inst->dreg + 1, inst->dreg + 2);
988 }
989
990 #ifdef MONO_ARCH_SOFT_FLOAT
991 if (cfg->opt & MONO_OPT_SSA) {
992 if (mono_type_is_float (type))
993 inst->flags = MONO_INST_VOLATILE;
994 }
995 #endif
996
997 /* Allocate a dummy MonoInst for the first vreg */
998 MONO_INST_NEW (cfg, tree, OP_LOCAL);
999 tree->dreg = inst->dreg + 1;
1000 if (cfg->opt & MONO_OPT_SSA)
1001 tree->flags = MONO_INST_VOLATILE;
1002 tree->inst_c0 = num;
1003 tree->type = STACK_I4;
1004 tree->inst_vtype = &mono_defaults.int32_class->byval_arg;
1005 tree->klass = mono_class_from_mono_type (tree->inst_vtype);
1006
1007 set_vreg_to_inst (cfg, inst->dreg + 1, tree);
1008
1009 /* Allocate a dummy MonoInst for the second vreg */
1010 MONO_INST_NEW (cfg, tree, OP_LOCAL);
1011 tree->dreg = inst->dreg + 2;
1012 if (cfg->opt & MONO_OPT_SSA)
1013 tree->flags = MONO_INST_VOLATILE;
1014 tree->inst_c0 = num;
1015 tree->type = STACK_I4;
1016 tree->inst_vtype = &mono_defaults.int32_class->byval_arg;
1017 tree->klass = mono_class_from_mono_type (tree->inst_vtype);
1018
1019 set_vreg_to_inst (cfg, inst->dreg + 2, tree);
1020 }
1021
1022 cfg->num_varinfo++;
1023 if (cfg->verbose_level > 2)
1024 g_print ("created temp %d (R%d) of type %s\n", num, vreg, mono_type_get_name (type));
1025 return inst;
1026 }
1027
1028 MonoInst*
1029 mono_compile_create_var (MonoCompile *cfg, MonoType *type, int opcode)
1030 {
1031 int dreg;
1032
1033 if (mono_type_is_long (type))
1034 dreg = mono_alloc_dreg (cfg, STACK_I8);
1035 #ifdef MONO_ARCH_SOFT_FLOAT
1036 else if (mono_type_is_float (type))
1037 dreg = mono_alloc_dreg (cfg, STACK_R8);
1038 #endif
1039 else
1040 /* All the others are unified */
1041 dreg = mono_alloc_preg (cfg);
1042
1043 return mono_compile_create_var_for_vreg (cfg, type, opcode, dreg);
1044 }
1045
1046 /*
1047 * Transform a MonoInst into a load from the variable of index var_index.
1048 */
1049 void
1050 mono_compile_make_var_load (MonoCompile *cfg, MonoInst *dest, gssize var_index) {
1051 memset (dest, 0, sizeof (MonoInst));
1052 dest->inst_i0 = cfg->varinfo [var_index];
1053 dest->opcode = mini_type_to_ldind (cfg, dest->inst_i0->inst_vtype);
1054 type_to_eval_stack_type (cfg, dest->inst_i0->inst_vtype, dest);
1055 dest->klass = dest->inst_i0->klass;
1056 }
1057
1058 #endif
1059
1060 static MonoType*
1061 type_from_stack_type (MonoInst *ins) {
1062 switch (ins->type) {
1063 case STACK_I4: return &mono_defaults.int32_class->byval_arg;
1064 case STACK_I8: return &mono_defaults.int64_class->byval_arg;
1065 case STACK_PTR: return &mono_defaults.int_class->byval_arg;
1066 case STACK_R8: return &mono_defaults.double_class->byval_arg;
1067 case STACK_MP:
1068 /*
1069 * this if used to be commented without any specific reason, but
1070 * it breaks #80235 when commented
1071 */
1072 if (ins->klass)
1073 return &ins->klass->this_arg;
1074 else
1075 return &mono_defaults.object_class->this_arg;
1076 case STACK_OBJ:
1077 /* ins->klass may not be set for ldnull.
1078 * Also, if we have a boxed valuetype, we want an object lass,
1079 * not the valuetype class
1080 */
1081 if (ins->klass && !ins->klass->valuetype)
1082 return &ins->klass->byval_arg;
1083 return &mono_defaults.object_class->byval_arg;
1084 case STACK_VTYPE: return &ins->klass->byval_arg;
1085 default:
1086 g_error ("stack type %d to montype not handled\n", ins->type);
1087 }
1088 return NULL;
1089 }
1090
1091 MonoType*
1092 mono_type_from_stack_type (MonoInst *ins) {
1093 return type_from_stack_type (ins);
1094 }
1095
1096 /*
1097 * mono_add_ins_to_end:
1098 *
1099 * Same as MONO_ADD_INS, but add INST before any branches at the end of BB.
1100 */
1101 void
1102 mono_add_ins_to_end (MonoBasicBlock *bb, MonoInst *inst)
1103 {
1104 int opcode;
1105
1106 if (!bb->code) {
1107 MONO_ADD_INS (bb, inst);
1108 return;
1109 }
1110
1111 switch (bb->last_ins->opcode) {
1112 case OP_BR:
1113 case OP_BR_REG:
1114 case CEE_BEQ:
1115 case CEE_BGE:
1116 case CEE_BGT:
1117 case CEE_BLE:
1118 case CEE_BLT:
1119 case CEE_BNE_UN:
1120 case CEE_BGE_UN:
1121 case CEE_BGT_UN:
1122 case CEE_BLE_UN:
1123 case CEE_BLT_UN:
1124 case OP_SWITCH:
1125 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1126 break;
1127 default:
1128 if (MONO_IS_COND_BRANCH_OP (bb->last_ins)) {
1129 /* Need to insert the ins before the compare */
1130 if (bb->code == bb->last_ins) {
1131 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1132 return;
1133 }
1134
1135 if (bb->code->next == bb->last_ins) {
1136 /* Only two instructions */
1137 opcode = bb->code->opcode;
1138
1139 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)) {
1140 /* NEW IR */
1141 mono_bblock_insert_before_ins (bb, bb->code, inst);
1142 } else {
1143 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1144 }
1145 } else {
1146 opcode = bb->last_ins->prev->opcode;
1147
1148 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)) {
1149 /* NEW IR */
1150 mono_bblock_insert_before_ins (bb, bb->last_ins->prev, inst);
1151 } else {
1152 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1153 }
1154 }
1155 }
1156 else
1157 MONO_ADD_INS (bb, inst);
1158 break;
1159 }
1160 }
1161
1162 void
1163 mono_create_jump_table (MonoCompile *cfg, MonoInst *label, MonoBasicBlock **bbs, int num_blocks)
1164 {
1165 MonoJumpInfo *ji = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfo));
1166 MonoJumpInfoBBTable *table;
1167
1168 table = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfoBBTable));
1169 table->table = bbs;
1170 table->table_size = num_blocks;
1171
1172 ji->ip.label = label;
1173 ji->type = MONO_PATCH_INFO_SWITCH;
1174 ji->data.table = table;
1175 ji->next = cfg->patch_info;
1176 cfg->patch_info = ji;
1177 }
1178
1179 static MonoMethodSignature *
1180 mono_get_array_new_va_signature (int arity)
1181 {
1182 static GHashTable *sighash = NULL;
1183 MonoMethodSignature *res;
1184 int i;
1185
1186 mono_jit_lock ();
1187 if (!sighash) {
1188 sighash = g_hash_table_new (NULL, NULL);
1189 }
1190 else if ((res = g_hash_table_lookup (sighash, GINT_TO_POINTER (arity)))) {
1191 mono_jit_unlock ();
1192 return res;
1193 }
1194
1195 res = mono_metadata_signature_alloc (mono_defaults.corlib, arity + 1);
1196
1197 res->pinvoke = 1;
1198 #ifdef MONO_ARCH_VARARG_ICALLS
1199 /* Only set this only some archs since not all backends can handle varargs+pinvoke */
1200 res->call_convention = MONO_CALL_VARARG;
1201 #endif
1202
1203 #ifdef TARGET_WIN32
1204 res->call_convention = MONO_CALL_C;
1205 #endif
1206
1207 res->params [0] = &mono_defaults.int_class->byval_arg;
1208 for (i = 0; i < arity; i++)
1209 res->params [i + 1] = &mono_defaults.int_class->byval_arg;
1210
1211 res->ret = &mono_defaults.object_class->byval_arg;
1212
1213 g_hash_table_insert (sighash, GINT_TO_POINTER (arity), res);
1214 mono_jit_unlock ();
1215
1216 return res;
1217 }
1218
1219 MonoJitICallInfo *
1220 mono_get_array_new_va_icall (int rank)
1221 {
1222 MonoMethodSignature *esig;
1223 char icall_name [256];
1224 char *name;
1225 MonoJitICallInfo *info;
1226
1227 /* Need to register the icall so it gets an icall wrapper */
1228 sprintf (icall_name, "ves_array_new_va_%d", rank);
1229
1230 mono_jit_lock ();
1231 info = mono_find_jit_icall_by_name (icall_name);
1232 if (info == NULL) {
1233 esig = mono_get_array_new_va_signature (rank);
1234 name = g_strdup (icall_name);
1235 info = mono_register_jit_icall (mono_array_new_va, name, esig, FALSE);
1236
1237 g_hash_table_insert (jit_icall_name_hash, name, name);
1238 }
1239 mono_jit_unlock ();
1240
1241 return info;
1242 }
1243
1244 gboolean
1245 mini_class_is_system_array (MonoClass *klass)
1246 {
1247 if (klass->parent == mono_defaults.array_class)
1248 return TRUE;
1249 else
1250 return FALSE;
1251 }
1252
1253 gboolean
1254 mini_assembly_can_skip_verification (MonoDomain *domain, MonoMethod *method)
1255 {
1256 MonoAssembly *assembly = method->klass->image->assembly;
1257 if (method->wrapper_type != MONO_WRAPPER_NONE)
1258 return FALSE;
1259 if (assembly->in_gac || assembly->image == mono_defaults.corlib)
1260 return FALSE;
1261 if (mono_security_get_mode () != MONO_SECURITY_MODE_NONE)
1262 return FALSE;
1263 return mono_assembly_has_skip_verification (assembly);
1264 }
1265
1266 /*
1267 * mini_method_verify:
1268 *
1269 * Verify the method using the new verfier.
1270 *
1271 * Returns true if the method is invalid.
1272 */
1273 gboolean
1274 mini_method_verify (MonoCompile *cfg, MonoMethod *method)
1275 {
1276 GSList *tmp, *res;
1277 gboolean is_fulltrust;
1278 MonoLoaderError *error;
1279
1280 if (method->verification_success)
1281 return FALSE;
1282
1283 is_fulltrust = mono_verifier_is_method_full_trust (method);
1284
1285 if (!mono_verifier_is_enabled_for_method (method))
1286 return FALSE;
1287
1288 res = mono_method_verify_with_current_settings (method, cfg->skip_visibility);
1289
1290 if ((error = mono_loader_get_last_error ())) {
1291 cfg->exception_type = error->exception_type;
1292 if (res)
1293 mono_free_verify_list (res);
1294 return TRUE;
1295 }
1296
1297 if (res) {
1298 for (tmp = res; tmp; tmp = tmp->next) {
1299 MonoVerifyInfoExtended *info = (MonoVerifyInfoExtended *)tmp->data;
1300 if (info->info.status == MONO_VERIFY_ERROR) {
1301 char *method_name = mono_method_full_name (method, TRUE);
1302 cfg->exception_type = info->exception_type;
1303 cfg->exception_message = g_strdup_printf ("Error verifying %s: %s", method_name, info->info.message);
1304 mono_free_verify_list (res);
1305 g_free (method_name);
1306 return TRUE;
1307 }
1308 if (info->info.status == MONO_VERIFY_NOT_VERIFIABLE && (!is_fulltrust || info->exception_type == MONO_EXCEPTION_METHOD_ACCESS || info->exception_type == MONO_EXCEPTION_FIELD_ACCESS)) {
1309 char *method_name = mono_method_full_name (method, TRUE);
1310 cfg->exception_type = info->exception_type;
1311 cfg->exception_message = g_strdup_printf ("Error verifying %s: %s", method_name, info->info.message);
1312 mono_free_verify_list (res);
1313 g_free (method_name);
1314 return TRUE;
1315 }
1316 }
1317 mono_free_verify_list (res);
1318 }
1319 method->verification_success = 1;
1320 return FALSE;
1321 }
1322
1323 /*Returns true is something went wrong*/
1324 static gboolean
1325 mono_compile_is_broken (MonoCompile *cfg)
1326 {
1327 MonoMethod *method = cfg->method;
1328 MonoMethod *method_definition = method;
1329 gboolean dont_verify = mini_assembly_can_skip_verification (cfg->domain, method);
1330 dont_verify |= method->klass->image->assembly->corlib_internal;
1331
1332 while (method_definition->is_inflated) {
1333 MonoMethodInflated *imethod = (MonoMethodInflated *) method_definition;
1334 method_definition = imethod->declaring;
1335 }
1336
1337 return !dont_verify && mini_method_verify (cfg, method_definition);
1338 }
1339
1340 static void
1341 create_helper_signature (void)
1342 {
1343 helper_sig_domain_get = mono_create_icall_signature ("ptr");
1344 helper_sig_class_init_trampoline = mono_create_icall_signature ("void");
1345 helper_sig_generic_class_init_trampoline = mono_create_icall_signature ("void");
1346 helper_sig_rgctx_lazy_fetch_trampoline = mono_create_icall_signature ("ptr ptr");
1347 helper_sig_monitor_enter_exit_trampoline = mono_create_icall_signature ("void");
1348 helper_sig_monitor_enter_exit_trampoline_llvm = mono_create_icall_signature ("void object");
1349 }
1350
1351 static gconstpointer
1352 mono_icall_get_wrapper_full (MonoJitICallInfo* callinfo, gboolean do_compile)
1353 {
1354 char *name;
1355 MonoMethod *wrapper;
1356 gconstpointer trampoline;
1357 MonoDomain *domain = mono_get_root_domain ();
1358
1359 if (callinfo->wrapper) {
1360 return callinfo->wrapper;
1361 }
1362
1363 if (callinfo->trampoline)
1364 return callinfo->trampoline;
1365
1366 /*
1367 * We use the lock on the root domain instead of the JIT lock to protect
1368 * callinfo->trampoline, since we do a lot of stuff inside the critical section.
1369 */
1370 mono_loader_lock (); /*FIXME mono_compile_method requires the loader lock, by large.*/
1371 mono_domain_lock (domain);
1372
1373 if (callinfo->trampoline) {
1374 mono_domain_unlock (domain);
1375 mono_loader_unlock ();
1376 return callinfo->trampoline;
1377 }
1378
1379 name = g_strdup_printf ("__icall_wrapper_%s", callinfo->name);
1380 wrapper = mono_marshal_get_icall_wrapper (callinfo->sig, name, callinfo->func, check_for_pending_exc);
1381 g_free (name);
1382
1383 if (do_compile)
1384 trampoline = mono_compile_method (wrapper);
1385 else
1386 trampoline = mono_create_ftnptr (domain, mono_create_jit_trampoline_in_domain (domain, wrapper));
1387 mono_register_jit_icall_wrapper (callinfo, trampoline);
1388
1389 callinfo->trampoline = trampoline;
1390
1391 mono_domain_unlock (domain);
1392 mono_loader_unlock ();
1393
1394 return callinfo->trampoline;
1395 }
1396
1397 gconstpointer
1398 mono_icall_get_wrapper (MonoJitICallInfo* callinfo)
1399 {
1400 return mono_icall_get_wrapper_full (callinfo, FALSE);
1401 }
1402
1403 static void
1404 mono_dynamic_code_hash_insert (MonoDomain *domain, MonoMethod *method, MonoJitDynamicMethodInfo *ji)
1405 {
1406 if (!domain_jit_info (domain)->dynamic_code_hash)
1407 domain_jit_info (domain)->dynamic_code_hash = g_hash_table_new (NULL, NULL);
1408 g_hash_table_insert (domain_jit_info (domain)->dynamic_code_hash, method, ji);
1409 }
1410
1411 static MonoJitDynamicMethodInfo*
1412 mono_dynamic_code_hash_lookup (MonoDomain *domain, MonoMethod *method)
1413 {
1414 MonoJitDynamicMethodInfo *res;
1415
1416 if (domain_jit_info (domain)->dynamic_code_hash)
1417 res = g_hash_table_lookup (domain_jit_info (domain)->dynamic_code_hash, method);
1418 else
1419 res = NULL;
1420 return res;
1421 }
1422
1423 typedef struct {
1424 MonoClass *vtype;
1425 GList *active, *inactive;
1426 GSList *slots;
1427 } StackSlotInfo;
1428
1429 static gint
1430 compare_by_interval_start_pos_func (gconstpointer a, gconstpointer b)
1431 {
1432 MonoMethodVar *v1 = (MonoMethodVar*)a;
1433 MonoMethodVar *v2 = (MonoMethodVar*)b;
1434
1435 if (v1 == v2)
1436 return 0;
1437 else if (v1->interval->range && v2->interval->range)
1438 return v1->interval->range->from - v2->interval->range->from;
1439 else if (v1->interval->range)
1440 return -1;
1441 else
1442 return 1;
1443 }
1444
1445 #ifndef DISABLE_JIT
1446
1447 #if 0
1448 #define LSCAN_DEBUG(a) do { a; } while (0)
1449 #else
1450 #define LSCAN_DEBUG(a)
1451 #endif
1452
1453 static gint32*
1454 mono_allocate_stack_slots_full2 (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
1455 {
1456 int i, slot, offset, size;
1457 guint32 align;
1458 MonoMethodVar *vmv;
1459 MonoInst *inst;
1460 gint32 *offsets;
1461 GList *vars = NULL, *l, *unhandled;
1462 StackSlotInfo *scalar_stack_slots, *vtype_stack_slots, *slot_info;
1463 MonoType *t;
1464 int nvtypes;
1465 gboolean reuse_slot;
1466
1467 LSCAN_DEBUG (printf ("Allocate Stack Slots 2 for %s:\n", mono_method_full_name (cfg->method, TRUE)));
1468
1469 scalar_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * MONO_TYPE_PINNED);
1470 vtype_stack_slots = NULL;
1471 nvtypes = 0;
1472
1473 offsets = mono_mempool_alloc (cfg->mempool, sizeof (gint32) * cfg->num_varinfo);
1474 for (i = 0; i < cfg->num_varinfo; ++i)
1475 offsets [i] = -1;
1476
1477 for (i = cfg->locals_start; i < cfg->num_varinfo; i++) {
1478 inst = cfg->varinfo [i];
1479 vmv = MONO_VARINFO (cfg, i);
1480
1481 if ((inst->flags & MONO_INST_IS_DEAD) || inst->opcode == OP_REGVAR || inst->opcode == OP_REGOFFSET)
1482 continue;
1483
1484 vars = g_list_prepend (vars, vmv);
1485 }
1486
1487 vars = g_list_sort (g_list_copy (vars), compare_by_interval_start_pos_func);
1488
1489 /* Sanity check */
1490 /*
1491 i = 0;
1492 for (unhandled = vars; unhandled; unhandled = unhandled->next) {
1493 MonoMethodVar *current = unhandled->data;
1494
1495 if (current->interval->range) {
1496 g_assert (current->interval->range->from >= i);
1497 i = current->interval->range->from;
1498 }
1499 }
1500 */
1501
1502 offset = 0;
1503 *stack_align = 0;
1504 for (unhandled = vars; unhandled; unhandled = unhandled->next) {
1505 MonoMethodVar *current = unhandled->data;
1506
1507 vmv = current;
1508 inst = cfg->varinfo [vmv->idx];
1509
1510 /* inst->backend.is_pinvoke indicates native sized value types, this is used by the
1511 * pinvoke wrappers when they call functions returning structures */
1512 if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (inst->inst_vtype) && inst->inst_vtype->type != MONO_TYPE_TYPEDBYREF) {
1513 size = mono_class_native_size (mono_class_from_mono_type (inst->inst_vtype), &align);
1514 }
1515 else {
1516 int ialign;
1517
1518 size = mono_type_size (inst->inst_vtype, &ialign);
1519 align = ialign;
1520
1521 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (inst->inst_vtype)))
1522 align = 16;
1523 }
1524
1525 reuse_slot = TRUE;
1526 if (cfg->disable_reuse_stack_slots)
1527 reuse_slot = FALSE;
1528
1529 t = mono_type_get_underlying_type (inst->inst_vtype);
1530 switch (t->type) {
1531 case MONO_TYPE_GENERICINST:
1532 if (!mono_type_generic_inst_is_valuetype (t)) {
1533 slot_info = &scalar_stack_slots [t->type];
1534 break;
1535 }
1536 /* Fall through */
1537 case MONO_TYPE_VALUETYPE:
1538 if (!vtype_stack_slots)
1539 vtype_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * 256);
1540 for (i = 0; i < nvtypes; ++i)
1541 if (t->data.klass == vtype_stack_slots [i].vtype)
1542 break;
1543 if (i < nvtypes)
1544 slot_info = &vtype_stack_slots [i];
1545 else {
1546 g_assert (nvtypes < 256);
1547 vtype_stack_slots [nvtypes].vtype = t->data.klass;
1548 slot_info = &vtype_stack_slots [nvtypes];
1549 nvtypes ++;
1550 }
1551 if (cfg->disable_reuse_ref_stack_slots)
1552 reuse_slot = FALSE;
1553 break;
1554
1555 case MONO_TYPE_PTR:
1556 case MONO_TYPE_I:
1557 case MONO_TYPE_U:
1558 #if SIZEOF_REGISTER == 4
1559 case MONO_TYPE_I4:
1560 #else
1561 case MONO_TYPE_I8:
1562 #endif
1563 #ifdef HAVE_SGEN_GC
1564 slot_info = &scalar_stack_slots [MONO_TYPE_I];
1565 break;
1566 #else
1567 /* Fall through */
1568 #endif
1569
1570 case MONO_TYPE_CLASS:
1571 case MONO_TYPE_OBJECT:
1572 case MONO_TYPE_ARRAY:
1573 case MONO_TYPE_SZARRAY:
1574 case MONO_TYPE_STRING:
1575 /* Share non-float stack slots of the same size */
1576 slot_info = &scalar_stack_slots [MONO_TYPE_CLASS];
1577 if (cfg->disable_reuse_ref_stack_slots)
1578 reuse_slot = FALSE;
1579 break;
1580
1581 default:
1582 slot_info = &scalar_stack_slots [t->type];
1583 }
1584
1585 slot = 0xffffff;
1586 if (cfg->comp_done & MONO_COMP_LIVENESS) {
1587 int pos;
1588 gboolean changed;
1589
1590 //printf ("START %2d %08x %08x\n", vmv->idx, vmv->range.first_use.abs_pos, vmv->range.last_use.abs_pos);
1591
1592 if (!current->interval->range) {
1593 if (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))
1594 pos = ~0;
1595 else {
1596 /* Dead */
1597 inst->flags |= MONO_INST_IS_DEAD;
1598 continue;
1599 }
1600 }
1601 else
1602 pos = current->interval->range->from;
1603
1604 LSCAN_DEBUG (printf ("process R%d ", inst->dreg));
1605 if (current->interval->range)
1606 LSCAN_DEBUG (mono_linterval_print (current->interval));
1607 LSCAN_DEBUG (printf ("\n"));
1608
1609 /* Check for intervals in active which expired or inactive */
1610 changed = TRUE;
1611 /* FIXME: Optimize this */
1612 while (changed) {
1613 changed = FALSE;
1614 for (l = slot_info->active; l != NULL; l = l->next) {
1615 MonoMethodVar *v = (MonoMethodVar*)l->data;
1616
1617 if (v->interval->last_range->to < pos) {
1618 slot_info->active = g_list_delete_link (slot_info->active, l);
1619 slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [v->idx]));
1620 LSCAN_DEBUG (printf ("Interval R%d has expired, adding 0x%x to slots\n", cfg->varinfo [v->idx]->dreg, offsets [v->idx]));
1621 changed = TRUE;
1622 break;
1623 }
1624 else if (!mono_linterval_covers (v->interval, pos)) {
1625 slot_info->inactive = g_list_append (slot_info->inactive, v);
1626 slot_info->active = g_list_delete_link (slot_info->active, l);
1627 LSCAN_DEBUG (printf ("Interval R%d became inactive\n", cfg->varinfo [v->idx]->dreg));
1628 changed = TRUE;
1629 break;
1630 }
1631 }
1632 }
1633
1634 /* Check for intervals in inactive which expired or active */
1635 changed = TRUE;
1636 /* FIXME: Optimize this */
1637 while (changed) {
1638 changed = FALSE;
1639 for (l = slot_info->inactive; l != NULL; l = l->next) {
1640 MonoMethodVar *v = (MonoMethodVar*)l->data;
1641
1642 if (v->interval->last_range->to < pos) {
1643 slot_info->inactive = g_list_delete_link (slot_info->inactive, l);
1644 // FIXME: Enabling this seems to cause impossible to debug crashes
1645 //slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [v->idx]));
1646 LSCAN_DEBUG (printf ("Interval R%d has expired, adding 0x%x to slots\n", cfg->varinfo [v->idx]->dreg, offsets [v->idx]));
1647 changed = TRUE;
1648 break;
1649 }
1650 else if (mono_linterval_covers (v->interval, pos)) {
1651 slot_info->active = g_list_append (slot_info->active, v);
1652 slot_info->inactive = g_list_delete_link (slot_info->inactive, l);
1653 LSCAN_DEBUG (printf ("\tInterval R%d became active\n", cfg->varinfo [v->idx]->dreg));
1654 changed = TRUE;
1655 break;
1656 }
1657 }
1658 }
1659
1660 /*
1661 * This also handles the case when the variable is used in an
1662 * exception region, as liveness info is not computed there.
1663 */
1664 /*
1665 * FIXME: All valuetypes are marked as INDIRECT because of LDADDR
1666 * opcodes.
1667 */
1668 if (! (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))) {
1669 if (slot_info->slots) {
1670 slot = GPOINTER_TO_INT (slot_info->slots->data);
1671
1672 slot_info->slots = slot_info->slots->next;
1673 }
1674
1675 /* FIXME: We might want to consider the inactive intervals as well if slot_info->slots is empty */
1676
1677 slot_info->active = mono_varlist_insert_sorted (cfg, slot_info->active, vmv, TRUE);
1678 }
1679 }
1680
1681 #if 0
1682 {
1683 static int count = 0;
1684 count ++;
1685
1686 if (count == atoi (getenv ("COUNT3")))
1687 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
1688 if (count > atoi (getenv ("COUNT3")))
1689 slot = 0xffffff;
1690 else {
1691 mono_print_ins (inst);
1692 }
1693 }
1694 #endif
1695
1696 LSCAN_DEBUG (printf ("R%d %s -> 0x%x\n", inst->dreg, mono_type_full_name (t), slot));
1697
1698 if (!reuse_slot)
1699 slot = 0xffffff;
1700
1701 if (slot == 0xffffff) {
1702 /*
1703 * Allways allocate valuetypes to sizeof (gpointer) to allow more
1704 * efficient copying (and to work around the fact that OP_MEMCPY
1705 * and OP_MEMSET ignores alignment).
1706 */
1707 if (MONO_TYPE_ISSTRUCT (t)) {
1708 align = MAX (align, sizeof (gpointer));
1709 align = MAX (align, mono_class_min_align (mono_class_from_mono_type (t)));
1710 }
1711
1712 if (backward) {
1713 offset += size;
1714 offset += align - 1;
1715 offset &= ~(align - 1);
1716 slot = offset;
1717 }
1718 else {
1719 offset += align - 1;
1720 offset &= ~(align - 1);
1721 slot = offset;
1722 offset += size;
1723 }
1724
1725 if (*stack_align == 0)
1726 *stack_align = align;
1727 }
1728
1729 offsets [vmv->idx] = slot;
1730 }
1731 g_list_free (vars);
1732 for (i = 0; i < MONO_TYPE_PINNED; ++i) {
1733 if (scalar_stack_slots [i].active)
1734 g_list_free (scalar_stack_slots [i].active);
1735 }
1736 for (i = 0; i < nvtypes; ++i) {
1737 if (vtype_stack_slots [i].active)
1738 g_list_free (vtype_stack_slots [i].active);
1739 }
1740
1741 mono_jit_stats.locals_stack_size += offset;
1742
1743 *stack_size = offset;
1744 return offsets;
1745 }
1746
1747 /*
1748 * mono_allocate_stack_slots_full:
1749 *
1750 * Allocate stack slots for all non register allocated variables using a
1751 * linear scan algorithm.
1752 * Returns: an array of stack offsets.
1753 * STACK_SIZE is set to the amount of stack space needed.
1754 * STACK_ALIGN is set to the alignment needed by the locals area.
1755 */
1756 gint32*
1757 mono_allocate_stack_slots_full (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
1758 {
1759 int i, slot, offset, size;
1760 guint32 align;
1761 MonoMethodVar *vmv;
1762 MonoInst *inst;
1763 gint32 *offsets;
1764 GList *vars = NULL, *l;
1765 StackSlotInfo *scalar_stack_slots, *vtype_stack_slots, *slot_info;
1766 MonoType *t;
1767 int nvtypes;
1768 gboolean reuse_slot;
1769
1770 if ((cfg->num_varinfo > 0) && MONO_VARINFO (cfg, 0)->interval)
1771 return mono_allocate_stack_slots_full2 (cfg, backward, stack_size, stack_align);
1772
1773 scalar_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * MONO_TYPE_PINNED);
1774 vtype_stack_slots = NULL;
1775 nvtypes = 0;
1776
1777 offsets = mono_mempool_alloc (cfg->mempool, sizeof (gint32) * cfg->num_varinfo);
1778 for (i = 0; i < cfg->num_varinfo; ++i)
1779 offsets [i] = -1;
1780
1781 for (i = cfg->locals_start; i < cfg->num_varinfo; i++) {
1782 inst = cfg->varinfo [i];
1783 vmv = MONO_VARINFO (cfg, i);
1784
1785 if ((inst->flags & MONO_INST_IS_DEAD) || inst->opcode == OP_REGVAR || inst->opcode == OP_REGOFFSET)
1786 continue;
1787
1788 vars = g_list_prepend (vars, vmv);
1789 }
1790
1791 vars = mono_varlist_sort (cfg, vars, 0);
1792 offset = 0;
1793 *stack_align = sizeof (gpointer);
1794 for (l = vars; l; l = l->next) {
1795 vmv = l->data;
1796 inst = cfg->varinfo [vmv->idx];
1797
1798 /* inst->backend.is_pinvoke indicates native sized value types, this is used by the
1799 * pinvoke wrappers when they call functions returning structures */
1800 if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (inst->inst_vtype) && inst->inst_vtype->type != MONO_TYPE_TYPEDBYREF) {
1801 size = mono_class_native_size (mono_class_from_mono_type (inst->inst_vtype), &align);
1802 } else {
1803 int ialign;
1804
1805 size = mono_type_size (inst->inst_vtype, &ialign);
1806 align = ialign;
1807
1808 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (inst->inst_vtype)))
1809 align = 16;
1810 }
1811
1812 reuse_slot = TRUE;
1813 if (cfg->disable_reuse_stack_slots)
1814 reuse_slot = FALSE;
1815
1816 t = mono_type_get_underlying_type (inst->inst_vtype);
1817 if (t->byref) {
1818 slot_info = &scalar_stack_slots [MONO_TYPE_I];
1819 } else {
1820 switch (t->type) {
1821 case MONO_TYPE_GENERICINST:
1822 if (!mono_type_generic_inst_is_valuetype (t)) {
1823 slot_info = &scalar_stack_slots [t->type];
1824 break;
1825 }
1826 /* Fall through */
1827 case MONO_TYPE_VALUETYPE:
1828 if (!vtype_stack_slots)
1829 vtype_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * 256);
1830 for (i = 0; i < nvtypes; ++i)
1831 if (t->data.klass == vtype_stack_slots [i].vtype)
1832 break;
1833 if (i < nvtypes)
1834 slot_info = &vtype_stack_slots [i];
1835 else {
1836 g_assert (nvtypes < 256);
1837 vtype_stack_slots [nvtypes].vtype = t->data.klass;
1838 slot_info = &vtype_stack_slots [nvtypes];
1839 nvtypes ++;
1840 }
1841 if (cfg->disable_reuse_ref_stack_slots)
1842 reuse_slot = FALSE;
1843 break;
1844
1845 case MONO_TYPE_PTR:
1846 case MONO_TYPE_I:
1847 case MONO_TYPE_U:
1848 #if SIZEOF_REGISTER == 4
1849 case MONO_TYPE_I4:
1850 #else
1851 case MONO_TYPE_I8:
1852 #endif
1853 #ifdef HAVE_SGEN_GC
1854 slot_info = &scalar_stack_slots [MONO_TYPE_I];
1855 break;
1856 #else
1857 /* Fall through */
1858 #endif
1859
1860 case MONO_TYPE_CLASS:
1861 case MONO_TYPE_OBJECT:
1862 case MONO_TYPE_ARRAY:
1863 case MONO_TYPE_SZARRAY:
1864 case MONO_TYPE_STRING:
1865 /* Share non-float stack slots of the same size */
1866 slot_info = &scalar_stack_slots [MONO_TYPE_CLASS];
1867 if (cfg->disable_reuse_ref_stack_slots)
1868 reuse_slot = FALSE;
1869 break;
1870
1871 default:
1872 slot_info = &scalar_stack_slots [t->type];
1873 }
1874 }
1875
1876 slot = 0xffffff;
1877 if (cfg->comp_done & MONO_COMP_LIVENESS) {
1878 //printf ("START %2d %08x %08x\n", vmv->idx, vmv->range.first_use.abs_pos, vmv->range.last_use.abs_pos);
1879
1880 /* expire old intervals in active */
1881 while (slot_info->active) {
1882 MonoMethodVar *amv = (MonoMethodVar *)slot_info->active->data;
1883
1884 if (amv->range.last_use.abs_pos > vmv->range.first_use.abs_pos)
1885 break;
1886
1887 //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);
1888
1889 slot_info->active = g_list_delete_link (slot_info->active, slot_info->active);
1890 slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [amv->idx]));
1891 }
1892
1893 /*
1894 * This also handles the case when the variable is used in an
1895 * exception region, as liveness info is not computed there.
1896 */
1897 /*
1898 * FIXME: All valuetypes are marked as INDIRECT because of LDADDR
1899 * opcodes.
1900 */
1901 if (! (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))) {
1902 if (slot_info->slots) {
1903 slot = GPOINTER_TO_INT (slot_info->slots->data);
1904
1905 slot_info->slots = slot_info->slots->next;
1906 }
1907
1908 slot_info->active = mono_varlist_insert_sorted (cfg, slot_info->active, vmv, TRUE);
1909 }
1910 }
1911
1912 {
1913 static int count = 0;
1914 count ++;
1915
1916 /*
1917 if (count == atoi (getenv ("COUNT")))
1918 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
1919 if (count > atoi (getenv ("COUNT")))
1920 slot = 0xffffff;
1921 else {
1922 mono_print_ins (inst);
1923 }
1924 */
1925 }
1926
1927 if (!reuse_slot)
1928 slot = 0xffffff;
1929
1930 if (slot == 0xffffff) {
1931 /*
1932 * Allways allocate valuetypes to sizeof (gpointer) to allow more
1933 * efficient copying (and to work around the fact that OP_MEMCPY
1934 * and OP_MEMSET ignores alignment).
1935 */
1936 if (MONO_TYPE_ISSTRUCT (t)) {
1937 align = MAX (align, sizeof (gpointer));
1938 align = MAX (align, mono_class_min_align (mono_class_from_mono_type (t)));
1939 /*
1940 * Align the size too so the code generated for passing vtypes in
1941 * registers doesn't overwrite random locals.
1942 */
1943 size = (size + (align - 1)) & ~(align -1);
1944 }
1945
1946 if (backward) {
1947 offset += size;
1948 offset += align - 1;
1949 offset &= ~(align - 1);
1950 slot = offset;
1951 }
1952 else {
1953 offset += align - 1;
1954 offset &= ~(align - 1);
1955 slot = offset;
1956 offset += size;
1957 }
1958
1959 *stack_align = MAX (*stack_align, align);
1960 }
1961
1962 offsets [vmv->idx] = slot;
1963 }
1964 g_list_free (vars);
1965 for (i = 0; i < MONO_TYPE_PINNED; ++i) {
1966 if (scalar_stack_slots [i].active)
1967 g_list_free (scalar_stack_slots [i].active);
1968 }
1969 for (i = 0; i < nvtypes; ++i) {
1970 if (vtype_stack_slots [i].active)
1971 g_list_free (vtype_stack_slots [i].active);
1972 }
1973
1974 mono_jit_stats.locals_stack_size += offset;
1975
1976 *stack_size = offset;
1977 return offsets;
1978 }
1979
1980 #else
1981
1982 gint32*
1983 mono_allocate_stack_slots_full (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
1984 {
1985 g_assert_not_reached ();
1986 return NULL;
1987 }
1988
1989 #endif /* DISABLE_JIT */
1990
1991 gint32*
1992 mono_allocate_stack_slots (MonoCompile *m, guint32 *stack_size, guint32 *stack_align)
1993 {
1994 return mono_allocate_stack_slots_full (m, TRUE, stack_size, stack_align);
1995 }
1996
1997 #define EMUL_HIT_SHIFT 3
1998 #define EMUL_HIT_MASK ((1 << EMUL_HIT_SHIFT) - 1)
1999 /* small hit bitmap cache */
2000 static mono_byte emul_opcode_hit_cache [(OP_LAST>>EMUL_HIT_SHIFT) + 1] = {0};
2001 static short emul_opcode_num = 0;
2002 static short emul_opcode_alloced = 0;
2003 static short *emul_opcode_opcodes = NULL;
2004 static MonoJitICallInfo **emul_opcode_map = NULL;
2005
2006 MonoJitICallInfo *
2007 mono_find_jit_opcode_emulation (int opcode)
2008 {
2009 g_assert (opcode >= 0 && opcode <= OP_LAST);
2010 if (emul_opcode_hit_cache [opcode >> (EMUL_HIT_SHIFT + 3)] & (1 << (opcode & EMUL_HIT_MASK))) {
2011 int i;
2012 for (i = 0; i < emul_opcode_num; ++i) {
2013 if (emul_opcode_opcodes [i] == opcode)
2014 return emul_opcode_map [i];
2015 }
2016 }
2017 return NULL;
2018 }
2019
2020 void
2021 mono_register_opcode_emulation (int opcode, const char *name, const char *sigstr, gpointer func, gboolean no_throw)
2022 {
2023 MonoJitICallInfo *info;
2024 MonoMethodSignature *sig = mono_create_icall_signature (sigstr);
2025
2026 g_assert (!sig->hasthis);
2027 g_assert (sig->param_count < 3);
2028
2029 info = mono_register_jit_icall (func, name, sig, no_throw);
2030
2031 if (emul_opcode_num >= emul_opcode_alloced) {
2032 int incr = emul_opcode_alloced? emul_opcode_alloced/2: 16;
2033 emul_opcode_alloced += incr;
2034 emul_opcode_map = g_realloc (emul_opcode_map, sizeof (emul_opcode_map [0]) * emul_opcode_alloced);
2035 emul_opcode_opcodes = g_realloc (emul_opcode_opcodes, sizeof (emul_opcode_opcodes [0]) * emul_opcode_alloced);
2036 }
2037 emul_opcode_map [emul_opcode_num] = info;
2038 emul_opcode_opcodes [emul_opcode_num] = opcode;
2039 emul_opcode_num++;
2040 emul_opcode_hit_cache [opcode >> (EMUL_HIT_SHIFT + 3)] |= (1 << (opcode & EMUL_HIT_MASK));
2041 }
2042
2043 static void
2044 register_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
2045 {
2046 MonoMethodSignature *sig;
2047
2048 if (sigstr)
2049 sig = mono_create_icall_signature (sigstr);
2050 else
2051 sig = NULL;
2052
2053 mono_register_jit_icall (func, name, sig, save);
2054 }
2055
2056 static void
2057 print_dfn (MonoCompile *cfg) {
2058 int i, j;
2059 char *code;
2060 MonoBasicBlock *bb;
2061 MonoInst *c;
2062
2063 g_print ("IR code for method %s\n", mono_method_full_name (cfg->method, TRUE));
2064
2065 for (i = 0; i < cfg->num_bblocks; ++i) {
2066 bb = cfg->bblocks [i];
2067 /*if (bb->cil_code) {
2068 char* code1, *code2;
2069 code1 = mono_disasm_code_one (NULL, cfg->method, bb->cil_code, NULL);
2070 if (bb->last_ins->cil_code)
2071 code2 = mono_disasm_code_one (NULL, cfg->method, bb->last_ins->cil_code, NULL);
2072 else
2073 code2 = g_strdup ("");
2074
2075 code1 [strlen (code1) - 1] = 0;
2076 code = g_strdup_printf ("%s -> %s", code1, code2);
2077 g_free (code1);
2078 g_free (code2);
2079 } else*/
2080 code = g_strdup ("\n");
2081 g_print ("\nBB%d (%d) (len: %d): %s", bb->block_num, i, bb->cil_length, code);
2082 MONO_BB_FOR_EACH_INS (bb, c) {
2083 mono_print_ins_index (-1, c);
2084 }
2085
2086 g_print ("\tprev:");
2087 for (j = 0; j < bb->in_count; ++j) {
2088 g_print (" BB%d", bb->in_bb [j]->block_num);
2089 }
2090 g_print ("\t\tsucc:");
2091 for (j = 0; j < bb->out_count; ++j) {
2092 g_print (" BB%d", bb->out_bb [j]->block_num);
2093 }
2094 g_print ("\n\tidom: BB%d\n", bb->idom? bb->idom->block_num: -1);
2095
2096 if (bb->idom)
2097 g_assert (mono_bitset_test_fast (bb->dominators, bb->idom->dfn));
2098
2099 if (bb->dominators)
2100 mono_blockset_print (cfg, bb->dominators, "\tdominators", bb->idom? bb->idom->dfn: -1);
2101 if (bb->dfrontier)
2102 mono_blockset_print (cfg, bb->dfrontier, "\tdfrontier", -1);
2103 g_free (code);
2104 }
2105
2106 g_print ("\n");
2107 }
2108
2109 void
2110 mono_bblock_add_inst (MonoBasicBlock *bb, MonoInst *inst)
2111 {
2112 MONO_ADD_INS (bb, inst);
2113 }
2114
2115 void
2116 mono_bblock_insert_after_ins (MonoBasicBlock *bb, MonoInst *ins, MonoInst *ins_to_insert)
2117 {
2118 if (ins == NULL) {
2119 ins = bb->code;
2120 bb->code = ins_to_insert;
2121
2122 /* Link with next */
2123 ins_to_insert->next = ins;
2124 if (ins)
2125 ins->prev = ins_to_insert;
2126
2127 if (bb->last_ins == NULL)
2128 bb->last_ins = ins_to_insert;
2129 } else {
2130 /* Link with next */
2131 ins_to_insert->next = ins->next;
2132 if (ins->next)
2133 ins->next->prev = ins_to_insert;
2134
2135 /* Link with previous */
2136 ins->next = ins_to_insert;
2137 ins_to_insert->prev = ins;
2138
2139 if (bb->last_ins == ins)
2140 bb->last_ins = ins_to_insert;
2141 }
2142 }
2143
2144 void
2145 mono_bblock_insert_before_ins (MonoBasicBlock *bb, MonoInst *ins, MonoInst *ins_to_insert)
2146 {
2147 if (ins == NULL) {
2148 ins = bb->code;
2149 bb->code = ins_to_insert;
2150 ins_to_insert->next = ins;
2151 if (bb->last_ins == NULL)
2152 bb->last_ins = ins_to_insert;
2153 } else {
2154 /* Link with previous */
2155 if (ins->prev)
2156 ins->prev->next = ins_to_insert;
2157 ins_to_insert->prev = ins->prev;
2158
2159 /* Link with next */
2160 ins->prev = ins_to_insert;
2161 ins_to_insert->next = ins;
2162
2163 if (bb->code == ins)
2164 bb->code = ins_to_insert;
2165 }
2166 }
2167
2168 /*
2169 * mono_verify_bblock:
2170 *
2171 * Verify that the next and prev pointers are consistent inside the instructions in BB.
2172 */
2173 void
2174 mono_verify_bblock (MonoBasicBlock *bb)
2175 {
2176 MonoInst *ins, *prev;
2177
2178 prev = NULL;
2179 for (ins = bb->code; ins; ins = ins->next) {
2180 g_assert (ins->prev == prev);
2181 prev = ins;
2182 }
2183 if (bb->last_ins)
2184 g_assert (!bb->last_ins->next);
2185 }
2186
2187 /*
2188 * mono_verify_cfg:
2189 *
2190 * Perform consistency checks on the JIT data structures and the IR
2191 */
2192 void
2193 mono_verify_cfg (MonoCompile *cfg)
2194 {
2195 MonoBasicBlock *bb;
2196
2197 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
2198 mono_verify_bblock (bb);
2199 }
2200
2201 void
2202 mono_destroy_compile (MonoCompile *cfg)
2203 {
2204 if (cfg->header)
2205 mono_metadata_free_mh (cfg->header);
2206 //mono_mempool_stats (cfg->mempool);
2207 mono_free_loop_info (cfg);
2208 if (cfg->rs)
2209 mono_regstate_free (cfg->rs);
2210 if (cfg->spvars)
2211 g_hash_table_destroy (cfg->spvars);
2212 if (cfg->exvars)
2213 g_hash_table_destroy (cfg->exvars);
2214 mono_mempool_destroy (cfg->mempool);
2215 g_list_free (cfg->ldstr_list);
2216 g_hash_table_destroy (cfg->token_info_hash);
2217 if (cfg->abs_patches)
2218 g_hash_table_destroy (cfg->abs_patches);
2219
2220 g_free (cfg->varinfo);
2221 g_free (cfg->vars);
2222 g_free (cfg->exception_message);
2223 g_free (cfg);
2224 }
2225
2226 #ifdef HAVE_KW_THREAD
2227 static __thread gpointer mono_lmf_addr MONO_TLS_FAST;
2228 #ifdef MONO_ARCH_ENABLE_MONO_LMF_VAR
2229 /*
2230 * When this is defined, the current lmf is stored in this tls variable instead of in
2231 * jit_tls->lmf.
2232 */
2233 static __thread gpointer mono_lmf MONO_TLS_FAST;
2234 #endif
2235 #endif
2236
2237 guint32
2238 mono_get_jit_tls_key (void)
2239 {
2240 return mono_jit_tls_id;
2241 }
2242
2243 gint32
2244 mono_get_jit_tls_offset (void)
2245 {
2246 #ifdef HAVE_KW_THREAD
2247 int offset;
2248 MONO_THREAD_VAR_OFFSET (mono_jit_tls, offset);
2249 return offset;
2250 #else
2251 return -1;
2252 #endif
2253 }
2254
2255 gint32
2256 mono_get_lmf_tls_offset (void)
2257 {
2258 #if defined(HAVE_KW_THREAD) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2259 int offset;
2260 MONO_THREAD_VAR_OFFSET(mono_lmf,offset);
2261 return offset;
2262 #else
2263 return -1;
2264 #endif
2265 }
2266
2267 gint32
2268 mono_get_lmf_addr_tls_offset (void)
2269 {
2270 int offset;
2271 MONO_THREAD_VAR_OFFSET(mono_lmf_addr,offset);
2272 return offset;
2273 }
2274
2275 MonoLMF *
2276 mono_get_lmf (void)
2277 {
2278 #if defined(HAVE_KW_THREAD) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2279 return mono_lmf;
2280 #else
2281 MonoJitTlsData *jit_tls;
2282
2283 if ((jit_tls = TlsGetValue (mono_jit_tls_id)))
2284 return jit_tls->lmf;
2285
2286 g_assert_not_reached ();
2287 return NULL;
2288 #endif
2289 }
2290
2291 MonoLMF **
2292 mono_get_lmf_addr (void)
2293 {
2294 #ifdef HAVE_KW_THREAD
2295 return mono_lmf_addr;
2296 #else
2297 MonoJitTlsData *jit_tls;
2298
2299 if ((jit_tls = TlsGetValue (mono_jit_tls_id)))
2300 return &jit_tls->lmf;
2301
2302 /*
2303 * When resolving the call to mono_jit_thread_attach full-aot will look
2304 * in the plt, which causes a call into the generic trampoline, which in turn
2305 * tries to resolve the lmf_addr creating a cyclic dependency. We cannot
2306 * call mono_jit_thread_attach from the native-to-managed wrapper, without
2307 * mono_get_lmf_addr, and mono_get_lmf_addr requires the thread to be attached.
2308 */
2309
2310 mono_jit_thread_attach (NULL);
2311
2312 if ((jit_tls = TlsGetValue (mono_jit_tls_id)))
2313 return &jit_tls->lmf;
2314
2315 g_assert_not_reached ();
2316 return NULL;
2317 #endif
2318 }
2319
2320 void
2321 mono_set_lmf (MonoLMF *lmf)
2322 {
2323 #if defined(HAVE_KW_THREAD) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2324 mono_lmf = lmf;
2325 #endif
2326
2327 (*mono_get_lmf_addr ()) = lmf;
2328 }
2329
2330 /* Called by native->managed wrappers */
2331 void
2332 mono_jit_thread_attach (MonoDomain *domain)
2333 {
2334 if (!domain)
2335 /*
2336 * Happens when called from AOTed code which is only used in the root
2337 * domain.
2338 */
2339 domain = mono_get_root_domain ();
2340
2341 #ifdef HAVE_KW_THREAD
2342 if (!mono_lmf_addr) {
2343 mono_thread_attach (domain);
2344 }
2345 #else
2346 if (!TlsGetValue (mono_jit_tls_id))
2347 mono_thread_attach (domain);
2348 #endif
2349 if (mono_domain_get () != domain)
2350 mono_domain_set (domain, TRUE);
2351 }
2352
2353 /**
2354 * mono_thread_abort:
2355 * @obj: exception object
2356 *
2357 * abort the thread, print exception information and stack trace
2358 */
2359 static void
2360 mono_thread_abort (MonoObject *obj)
2361 {
2362 /* MonoJitTlsData *jit_tls = TlsGetValue (mono_jit_tls_id); */
2363
2364 /* handle_remove should be eventually called for this thread, too
2365 g_free (jit_tls);*/
2366
2367 if ((mono_runtime_unhandled_exception_policy_get () == MONO_UNHANDLED_POLICY_LEGACY) ||
2368 (obj->vtable->klass == mono_defaults.threadabortexception_class)) {
2369 mono_thread_exit ();
2370 } else {
2371 exit (mono_environment_exitcode_get ());
2372 }
2373 }
2374
2375 static void*
2376 setup_jit_tls_data (gpointer stack_start, gpointer abort_func)
2377 {
2378 MonoJitTlsData *jit_tls;
2379 MonoLMF *lmf;
2380
2381 jit_tls = TlsGetValue (mono_jit_tls_id);
2382 if (jit_tls)
2383 return jit_tls;
2384
2385 jit_tls = g_new0 (MonoJitTlsData, 1);
2386
2387 TlsSetValue (mono_jit_tls_id, jit_tls);
2388
2389 #ifdef HAVE_KW_THREAD
2390 mono_jit_tls = jit_tls;
2391 #endif
2392
2393 jit_tls->abort_func = abort_func;
2394 jit_tls->end_of_stack = stack_start;
2395
2396 lmf = g_new0 (MonoLMF, 1);
2397 #ifdef MONO_ARCH_INIT_TOP_LMF_ENTRY
2398 MONO_ARCH_INIT_TOP_LMF_ENTRY (lmf);
2399 #else
2400 lmf->ebp = -1;
2401 #endif
2402
2403 jit_tls->first_lmf = lmf;
2404
2405 #if defined(HAVE_KW_THREAD) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2406 /* jit_tls->lmf is unused */
2407 mono_lmf = lmf;
2408 mono_lmf_addr = &mono_lmf;
2409 #else
2410 #if defined(HAVE_KW_THREAD)
2411 mono_lmf_addr = &jit_tls->lmf;
2412 #endif
2413
2414 jit_tls->lmf = lmf;
2415 #endif
2416
2417 mono_arch_setup_jit_tls_data (jit_tls);
2418 mono_setup_altstack (jit_tls);
2419
2420 return jit_tls;
2421 }
2422
2423 static void
2424 mono_thread_start_cb (intptr_t tid, gpointer stack_start, gpointer func)
2425 {
2426 MonoInternalThread *thread;
2427 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort);
2428 thread = mono_thread_internal_current ();
2429 mono_debugger_thread_created (tid, thread->root_domain_thread, jit_tls, func);
2430 if (thread)
2431 thread->jit_data = jit_tls;
2432 }
2433
2434 void (*mono_thread_attach_aborted_cb ) (MonoObject *obj) = NULL;
2435
2436 static void
2437 mono_thread_abort_dummy (MonoObject *obj)
2438 {
2439 if (mono_thread_attach_aborted_cb)
2440 mono_thread_attach_aborted_cb (obj);
2441 else
2442 mono_thread_abort (obj);
2443 }
2444
2445 static void
2446 mono_thread_attach_cb (intptr_t tid, gpointer stack_start)
2447 {
2448 MonoInternalThread *thread;
2449 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort_dummy);
2450 thread = mono_thread_internal_current ();
2451 mono_debugger_thread_created (tid, thread->root_domain_thread, (MonoJitTlsData *) jit_tls, NULL);
2452 if (thread)
2453 thread->jit_data = jit_tls;
2454 if (mono_profiler_get_events () & MONO_PROFILE_STATISTICAL)
2455 mono_runtime_setup_stat_profiler ();
2456 }
2457
2458 static void
2459 mini_thread_cleanup (MonoThread *thread)
2460 {
2461 MonoInternalThread *internal = thread->internal_thread;
2462 MonoJitTlsData *jit_tls = internal->jit_data;
2463
2464 if (jit_tls) {
2465 mono_debugger_thread_cleanup (jit_tls);
2466 mono_arch_free_jit_tls_data (jit_tls);
2467
2468 mono_free_altstack (jit_tls);
2469 g_free (jit_tls->first_lmf);
2470 g_free (jit_tls);
2471 internal->jit_data = NULL;
2472
2473 /* We can't clean up tls information if we are on another thread, it will clean up the wrong stuff
2474 * It would be nice to issue a warning when this happens outside of the shutdown sequence. but it's
2475 * not a trivial thing.
2476 *
2477 * The current offender is mono_thread_manage which cleanup threads from the outside.
2478 */
2479 if (internal == mono_thread_internal_current ()) {
2480 TlsSetValue (mono_jit_tls_id, NULL);
2481
2482 #ifdef HAVE_KW_THREAD
2483 mono_jit_tls = NULL;
2484 mono_lmf_addr = NULL;
2485 #if defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2486 mono_lmf = NULL;
2487 #endif
2488 #endif
2489 }
2490 }
2491 }
2492
2493 static MonoInst*
2494 mono_create_tls_get (MonoCompile *cfg, int offset)
2495 {
2496 #ifdef MONO_ARCH_HAVE_TLS_GET
2497 if (MONO_ARCH_HAVE_TLS_GET) {
2498 MonoInst* ins;
2499
2500 if (offset == -1)
2501 return NULL;
2502
2503 MONO_INST_NEW (cfg, ins, OP_TLS_GET);
2504 ins->dreg = mono_alloc_preg (cfg);
2505 ins->inst_offset = offset;
2506 return ins;
2507 }
2508 #endif
2509 return NULL;
2510 }
2511
2512 MonoInst*
2513 mono_get_jit_tls_intrinsic (MonoCompile *cfg)
2514 {
2515 return mono_create_tls_get (cfg, mono_get_jit_tls_offset ());
2516 }
2517
2518 MonoInst*
2519 mono_get_domain_intrinsic (MonoCompile* cfg)
2520 {
2521 return mono_create_tls_get (cfg, mono_domain_get_tls_offset ());
2522 }
2523
2524 MonoInst*
2525 mono_get_thread_intrinsic (MonoCompile* cfg)
2526 {
2527 return mono_create_tls_get (cfg, mono_thread_get_tls_offset ());
2528 }
2529
2530 void
2531 mono_add_patch_info (MonoCompile *cfg, int ip, MonoJumpInfoType type, gconstpointer target)
2532 {
2533 MonoJumpInfo *ji = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfo));
2534
2535 ji->ip.i = ip;
2536 ji->type = type;
2537 ji->data.target = target;
2538 ji->next = cfg->patch_info;
2539
2540 cfg->patch_info = ji;
2541 }
2542
2543 MonoJumpInfo *
2544 mono_patch_info_list_prepend (MonoJumpInfo *list, int ip, MonoJumpInfoType type, gconstpointer target)
2545 {
2546 MonoJumpInfo *ji = g_new0 (MonoJumpInfo, 1);
2547
2548 ji->ip.i = ip;
2549 ji->type = type;
2550 ji->data.target = target;
2551 ji->next = list;
2552
2553 return ji;
2554 }
2555
2556 void
2557 mono_remove_patch_info (MonoCompile *cfg, int ip)
2558 {
2559 MonoJumpInfo **ji = &cfg->patch_info;
2560
2561 while (*ji) {
2562 if ((*ji)->ip.i == ip)
2563 *ji = (*ji)->next;
2564 else
2565 ji = &((*ji)->next);
2566 }
2567 }
2568
2569 /**
2570 * mono_patch_info_dup_mp:
2571 *
2572 * Make a copy of PATCH_INFO, allocating memory from the mempool MP.
2573 */
2574 MonoJumpInfo*
2575 mono_patch_info_dup_mp (MonoMemPool *mp, MonoJumpInfo *patch_info)
2576 {
2577 MonoJumpInfo *res = mono_mempool_alloc (mp, sizeof (MonoJumpInfo));
2578 memcpy (res, patch_info, sizeof (MonoJumpInfo));
2579
2580 switch (patch_info->type) {
2581 case MONO_PATCH_INFO_RVA:
2582 case MONO_PATCH_INFO_LDSTR:
2583 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
2584 case MONO_PATCH_INFO_LDTOKEN:
2585 case MONO_PATCH_INFO_DECLSEC:
2586 res->data.token = mono_mempool_alloc (mp, sizeof (MonoJumpInfoToken));
2587 memcpy (res->data.token, patch_info->data.token, sizeof (MonoJumpInfoToken));
2588 break;
2589 case MONO_PATCH_INFO_SWITCH:
2590 res->data.table = mono_mempool_alloc (mp, sizeof (MonoJumpInfoBBTable));
2591 memcpy (res->data.table, patch_info->data.table, sizeof (MonoJumpInfoBBTable));
2592 res->data.table->table = mono_mempool_alloc (mp, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
2593 memcpy (res->data.table->table, patch_info->data.table->table, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
2594 break;
2595 case MONO_PATCH_INFO_RGCTX_FETCH:
2596 res->data.rgctx_entry = mono_mempool_alloc (mp, sizeof (MonoJumpInfoRgctxEntry));
2597 memcpy (res->data.rgctx_entry, patch_info->data.rgctx_entry, sizeof (MonoJumpInfoRgctxEntry));
2598 res->data.rgctx_entry->data = mono_patch_info_dup_mp (mp, res->data.rgctx_entry->data);
2599 break;
2600 default:
2601 break;
2602 }
2603
2604 return res;
2605 }
2606
2607 guint
2608 mono_patch_info_hash (gconstpointer data)
2609 {
2610 const MonoJumpInfo *ji = (MonoJumpInfo*)data;
2611
2612 switch (ji->type) {
2613 case MONO_PATCH_INFO_RVA:
2614 case MONO_PATCH_INFO_LDSTR:
2615 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
2616 case MONO_PATCH_INFO_LDTOKEN:
2617 case MONO_PATCH_INFO_DECLSEC:
2618 return (ji->type << 8) | ji->data.token->token;
2619 case MONO_PATCH_INFO_INTERNAL_METHOD:
2620 return (ji->type << 8) | g_str_hash (ji->data.name);
2621 case MONO_PATCH_INFO_VTABLE:
2622 case MONO_PATCH_INFO_CLASS:
2623 case MONO_PATCH_INFO_IID:
2624 case MONO_PATCH_INFO_ADJUSTED_IID:
2625 case MONO_PATCH_INFO_CLASS_INIT:
2626 case MONO_PATCH_INFO_METHODCONST:
2627 case MONO_PATCH_INFO_METHOD:
2628 case MONO_PATCH_INFO_METHOD_JUMP:
2629 case MONO_PATCH_INFO_IMAGE:
2630 case MONO_PATCH_INFO_JIT_ICALL_ADDR:
2631 case MONO_PATCH_INFO_FIELD:
2632 case MONO_PATCH_INFO_SFLDA:
2633 case MONO_PATCH_INFO_SEQ_POINT_INFO:
2634 return (ji->type << 8) | (gssize)ji->data.target;
2635 default:
2636 return (ji->type << 8);
2637 }
2638 }
2639
2640 /*
2641 * mono_patch_info_equal:
2642 *
2643 * This might fail to recognize equivalent patches, i.e. floats, so its only
2644 * usable in those cases where this is not a problem, i.e. sharing GOT slots
2645 * in AOT.
2646 */
2647 gint
2648 mono_patch_info_equal (gconstpointer ka, gconstpointer kb)
2649 {
2650 const MonoJumpInfo *ji1 = (MonoJumpInfo*)ka;
2651 const MonoJumpInfo *ji2 = (MonoJumpInfo*)kb;
2652
2653 if (ji1->type != ji2->type)
2654 return 0;
2655
2656 switch (ji1->type) {
2657 case MONO_PATCH_INFO_RVA:
2658 case MONO_PATCH_INFO_LDSTR:
2659 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
2660 case MONO_PATCH_INFO_LDTOKEN:
2661 case MONO_PATCH_INFO_DECLSEC:
2662 if ((ji1->data.token->image != ji2->data.token->image) ||
2663 (ji1->data.token->token != ji2->data.token->token) ||
2664 (ji1->data.token->has_context != ji2->data.token->has_context) ||
2665 (ji1->data.token->context.class_inst != ji2->data.token->context.class_inst) ||
2666 (ji1->data.token->context.method_inst != ji2->data.token->context.method_inst))
2667 return 0;
2668 break;
2669 case MONO_PATCH_INFO_INTERNAL_METHOD:
2670 return g_str_equal (ji1->data.name, ji2->data.name);
2671
2672 case MONO_PATCH_INFO_RGCTX_FETCH: {
2673 MonoJumpInfoRgctxEntry *e1 = ji1->data.rgctx_entry;
2674 MonoJumpInfoRgctxEntry *e2 = ji2->data.rgctx_entry;
2675
2676 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);
2677 }
2678 default:
2679 if (ji1->data.target != ji2->data.target)
2680 return 0;
2681 break;
2682 }
2683
2684 return 1;
2685 }
2686
2687 gpointer
2688 mono_resolve_patch_target (MonoMethod *method, MonoDomain *domain, guint8 *code, MonoJumpInfo *patch_info, gboolean run_cctors)
2689 {
2690 unsigned char *ip = patch_info->ip.i + code;
2691 gconstpointer target = NULL;
2692
2693 switch (patch_info->type) {
2694 case MONO_PATCH_INFO_BB:
2695 /*
2696 * FIXME: This could be hit for methods without a prolog. Should use -1
2697 * but too much code depends on a 0 initial value.
2698 */
2699 //g_assert (patch_info->data.bb->native_offset);
2700 target = patch_info->data.bb->native_offset + code;
2701 break;
2702 case MONO_PATCH_INFO_ABS:
2703 target = patch_info->data.target;
2704 break;
2705 case MONO_PATCH_INFO_LABEL:
2706 target = patch_info->data.inst->inst_c0 + code;
2707 break;
2708 case MONO_PATCH_INFO_IP:
2709 target = ip;
2710 break;
2711 case MONO_PATCH_INFO_METHOD_REL:
2712 target = code + patch_info->data.offset;
2713 break;
2714 case MONO_PATCH_INFO_INTERNAL_METHOD: {
2715 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
2716 if (!mi) {
2717 g_warning ("unknown MONO_PATCH_INFO_INTERNAL_METHOD %s", patch_info->data.name);
2718 g_assert_not_reached ();
2719 }
2720 target = mono_icall_get_wrapper (mi);
2721 break;
2722 }
2723 case MONO_PATCH_INFO_METHOD_JUMP:
2724 target = mono_create_jump_trampoline (domain, patch_info->data.method, FALSE);
2725 break;
2726 case MONO_PATCH_INFO_METHOD:
2727 if (patch_info->data.method == method) {
2728 target = code;
2729 } else {
2730 /* get the trampoline to the method from the domain */
2731 target = mono_create_jit_trampoline (patch_info->data.method);
2732 }
2733 break;
2734 case MONO_PATCH_INFO_SWITCH: {
2735 gpointer *jump_table;
2736 int i;
2737
2738 if (method && method->dynamic) {
2739 jump_table = mono_code_manager_reserve (mono_dynamic_code_hash_lookup (domain, method)->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
2740 } else {
2741 if (mono_aot_only) {
2742 jump_table = mono_domain_alloc (domain, sizeof (gpointer) * patch_info->data.table->table_size);
2743 } else {
2744 jump_table = mono_domain_code_reserve (domain, sizeof (gpointer) * patch_info->data.table->table_size);
2745 }
2746 }
2747
2748 for (i = 0; i < patch_info->data.table->table_size; i++)
2749 jump_table [i] = code + GPOINTER_TO_INT (patch_info->data.table->table [i]);
2750 target = jump_table;
2751 break;
2752 }
2753 case MONO_PATCH_INFO_METHODCONST:
2754 case MONO_PATCH_INFO_CLASS:
2755 case MONO_PATCH_INFO_IMAGE:
2756 case MONO_PATCH_INFO_FIELD:
2757 target = patch_info->data.target;
2758 break;
2759 case MONO_PATCH_INFO_IID:
2760 mono_class_init (patch_info->data.klass);
2761 target = GINT_TO_POINTER ((int)patch_info->data.klass->interface_id);
2762 break;
2763 case MONO_PATCH_INFO_ADJUSTED_IID:
2764 mono_class_init (patch_info->data.klass);
2765 target = GINT_TO_POINTER ((int)(-((patch_info->data.klass->interface_id + 1) * SIZEOF_VOID_P)));
2766 break;
2767 case MONO_PATCH_INFO_VTABLE:
2768 target = mono_class_vtable (domain, patch_info->data.klass);
2769 g_assert (target);
2770 break;
2771 case MONO_PATCH_INFO_CLASS_INIT: {
2772 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.klass);
2773
2774 g_assert (vtable);
2775 target = mono_create_class_init_trampoline (vtable);
2776 break;
2777 }
2778 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
2779 target = mono_create_delegate_trampoline (patch_info->data.klass);
2780 break;
2781 case MONO_PATCH_INFO_SFLDA: {
2782 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.field->parent);
2783
2784 if (mono_class_field_is_special_static (patch_info->data.field)) {
2785 gpointer addr = NULL;
2786
2787 mono_domain_lock (domain);
2788 if (domain->special_static_fields)
2789 addr = g_hash_table_lookup (domain->special_static_fields, patch_info->data.field);
2790 mono_domain_unlock (domain);
2791 g_assert (addr);
2792 return addr;
2793 }
2794
2795 g_assert (vtable);
2796 if (!vtable->initialized && !(vtable->klass->flags & TYPE_ATTRIBUTE_BEFORE_FIELD_INIT) && (method && mono_class_needs_cctor_run (vtable->klass, method)))
2797 /* Done by the generated code */
2798 ;
2799 else {
2800 if (run_cctors)
2801 mono_runtime_class_init (vtable);
2802 }
2803 target = (char*)vtable->data + patch_info->data.field->offset;
2804 break;
2805 }
2806 case MONO_PATCH_INFO_RVA: {
2807 guint32 field_index = mono_metadata_token_index (patch_info->data.token->token);
2808 guint32 rva;
2809
2810 mono_metadata_field_info (patch_info->data.token->image, field_index - 1, NULL, &rva, NULL);
2811 target = mono_image_rva_map (patch_info->data.token->image, rva);
2812 break;
2813 }
2814 case MONO_PATCH_INFO_R4:
2815 case MONO_PATCH_INFO_R8:
2816 target = patch_info->data.target;
2817 break;
2818 case MONO_PATCH_INFO_EXC_NAME:
2819 target = patch_info->data.name;
2820 break;
2821 case MONO_PATCH_INFO_LDSTR:
2822 target =
2823 mono_ldstr (domain, patch_info->data.token->image,
2824 mono_metadata_token_index (patch_info->data.token->token));
2825 break;
2826 case MONO_PATCH_INFO_TYPE_FROM_HANDLE: {
2827 gpointer handle;
2828 MonoClass *handle_class;
2829
2830 handle = mono_ldtoken (patch_info->data.token->image,
2831 patch_info->data.token->token, &handle_class, patch_info->data.token->has_context ? &patch_info->data.token->context : NULL);
2832 mono_class_init (handle_class);
2833 mono_class_init (mono_class_from_mono_type (handle));
2834
2835 target =
2836 mono_type_get_object (domain, handle);
2837 break;
2838 }
2839 case MONO_PATCH_INFO_LDTOKEN: {
2840 gpointer handle;
2841 MonoClass *handle_class;
2842
2843 handle = mono_ldtoken (patch_info->data.token->image,
2844 patch_info->data.token->token, &handle_class, NULL);
2845 mono_class_init (handle_class);
2846
2847 target = handle;
2848 break;
2849 }
2850 case MONO_PATCH_INFO_DECLSEC:
2851 target = (mono_metadata_blob_heap (patch_info->data.token->image, patch_info->data.token->token) + 2);
2852 break;
2853 case MONO_PATCH_INFO_ICALL_ADDR:
2854 /* run_cctors == 0 -> AOT */
2855 if (patch_info->data.method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) {
2856 if (run_cctors) {
2857 target = mono_lookup_pinvoke_call (patch_info->data.method, NULL, NULL);
2858 if (!target)
2859 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));
2860 } else {
2861 target = NULL;
2862 }
2863 } else {
2864 target = mono_lookup_internal_call (patch_info->data.method);
2865
2866 if (!target && run_cctors)
2867 g_error ("Unregistered icall '%s'\n", mono_method_full_name (patch_info->data.method, TRUE));
2868 }
2869 break;
2870 case MONO_PATCH_INFO_JIT_ICALL_ADDR: {
2871 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
2872 if (!mi) {
2873 g_warning ("unknown MONO_PATCH_INFO_JIT_ICALL_ADDR %s", patch_info->data.name);
2874 g_assert_not_reached ();
2875 }
2876 target = mi->func;
2877 break;
2878 }
2879 case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG:
2880 target = mono_thread_interruption_request_flag ();
2881 break;
2882 case MONO_PATCH_INFO_METHOD_RGCTX: {
2883 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.method->klass);
2884 g_assert (vtable);
2885
2886 target = mono_method_lookup_rgctx (vtable, mini_method_get_context (patch_info->data.method)->method_inst);
2887 break;
2888 }
2889 case MONO_PATCH_INFO_BB_OVF:
2890 case MONO_PATCH_INFO_EXC_OVF:
2891 case MONO_PATCH_INFO_GOT_OFFSET:
2892 case MONO_PATCH_INFO_NONE:
2893 break;
2894 case MONO_PATCH_INFO_RGCTX_FETCH: {
2895 MonoJumpInfoRgctxEntry *entry = patch_info->data.rgctx_entry;
2896 guint32 slot = -1;
2897
2898 switch (entry->data->type) {
2899 case MONO_PATCH_INFO_CLASS:
2900 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));
2901 break;
2902 case MONO_PATCH_INFO_METHOD:
2903 case MONO_PATCH_INFO_METHODCONST:
2904 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));
2905 break;
2906 case MONO_PATCH_INFO_FIELD:
2907 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));
2908 break;
2909 default:
2910 g_assert_not_reached ();
2911 break;
2912 }
2913
2914 target = mono_create_rgctx_lazy_fetch_trampoline (slot);
2915 break;
2916 }
2917 case MONO_PATCH_INFO_GENERIC_CLASS_INIT:
2918 target = mono_create_generic_class_init_trampoline ();
2919 break;
2920 case MONO_PATCH_INFO_MONITOR_ENTER:
2921 target = mono_create_monitor_enter_trampoline ();
2922 break;
2923 case MONO_PATCH_INFO_MONITOR_EXIT:
2924 target = mono_create_monitor_exit_trampoline ();
2925 break;
2926 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
2927 case MONO_PATCH_INFO_SEQ_POINT_INFO:
2928 if (!run_cctors)
2929 /* AOT, not needed */
2930 target = NULL;
2931 else
2932 target = mono_arch_get_seq_point_info (domain, code);
2933 break;
2934 #endif
2935 case MONO_PATCH_INFO_LLVM_IMT_TRAMPOLINE:
2936 #ifdef MONO_ARCH_LLVM_SUPPORTED
2937 g_assert (mono_use_llvm);
2938 target = mono_create_llvm_imt_trampoline (domain, patch_info->data.imt_tramp->method, patch_info->data.imt_tramp->vt_offset);
2939 #else
2940 g_assert_not_reached ();
2941 #endif
2942 break;
2943 default:
2944 g_assert_not_reached ();
2945 }
2946
2947 return (gpointer)target;
2948 }
2949
2950 void
2951 mono_add_seq_point (MonoCompile *cfg, MonoBasicBlock *bb, MonoInst *ins, int native_offset)
2952 {
2953 ins->inst_offset = native_offset;
2954 g_ptr_array_add (cfg->seq_points, ins);
2955 bb->seq_points = g_slist_prepend_mempool (cfg->mempool, bb->seq_points, ins);
2956 bb->last_seq_point = ins;
2957 }
2958
2959 #ifndef DISABLE_JIT
2960
2961 static void
2962 mono_compile_create_vars (MonoCompile *cfg)
2963 {
2964 MonoMethodSignature *sig;
2965 MonoMethodHeader *header;
2966 int i;
2967
2968 header = cfg->header;
2969
2970 sig = mono_method_signature (cfg->method);
2971
2972 if (!MONO_TYPE_IS_VOID (sig->ret)) {
2973 cfg->ret = mono_compile_create_var (cfg, sig->ret, OP_ARG);
2974 /* Inhibit optimizations */
2975 cfg->ret->flags |= MONO_INST_VOLATILE;
2976 }
2977 if (cfg->verbose_level > 2)
2978 g_print ("creating vars\n");
2979
2980 cfg->args = mono_mempool_alloc0 (cfg->mempool, (sig->param_count + sig->hasthis) * sizeof (MonoInst*));
2981
2982 if (sig->hasthis)
2983 cfg->args [0] = mono_compile_create_var (cfg, &cfg->method->klass->this_arg, OP_ARG);
2984
2985 for (i = 0; i < sig->param_count; ++i) {
2986 cfg->args [i + sig->hasthis] = mono_compile_create_var (cfg, sig->params [i], OP_ARG);
2987 }
2988
2989 if (cfg->verbose_level > 2) {
2990 if (cfg->ret) {
2991 printf ("\treturn : ");
2992 mono_print_ins (cfg->ret);
2993 }
2994
2995 if (sig->hasthis) {
2996 printf ("\tthis: ");
2997 mono_print_ins (cfg->args [0]);
2998 }
2999
3000 for (i = 0; i < sig->param_count; ++i) {
3001 printf ("\targ [%d]: ", i);
3002 mono_print_ins (cfg->args [i + sig->hasthis]);
3003 }
3004 }
3005
3006 cfg->locals_start = cfg->num_varinfo;
3007 cfg->locals = mono_mempool_alloc0 (cfg->mempool, header->num_locals * sizeof (MonoInst*));
3008
3009 if (cfg->verbose_level > 2)
3010 g_print ("creating locals\n");
3011
3012 for (i = 0; i < header->num_locals; ++i)
3013 cfg->locals [i] = mono_compile_create_var (cfg, header->locals [i], OP_LOCAL);
3014
3015 if (cfg->verbose_level > 2)
3016 g_print ("locals done\n");
3017
3018 mono_arch_create_vars (cfg);
3019 }
3020
3021 #endif /* #ifndef DISABLE_JIT */
3022
3023 void
3024 mono_print_code (MonoCompile *cfg, const char* msg)
3025 {
3026 MonoBasicBlock *bb;
3027
3028 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
3029 mono_print_bb (bb, msg);
3030 }
3031
3032 #ifndef DISABLE_JIT
3033
3034 static void
3035 mono_postprocess_patches (MonoCompile *cfg)
3036 {
3037 MonoJumpInfo *patch_info;
3038 int i;
3039
3040 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next) {
3041 switch (patch_info->type) {
3042 case MONO_PATCH_INFO_ABS: {
3043 MonoJitICallInfo *info = mono_find_jit_icall_by_addr (patch_info->data.target);
3044
3045 /*
3046 * Change patches of type MONO_PATCH_INFO_ABS into patches describing the
3047 * absolute address.
3048 */
3049 if (info) {
3050 //printf ("TEST %s %p\n", info->name, patch_info->data.target);
3051 // FIXME: CLEAN UP THIS MESS.
3052 if ((cfg->method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) &&
3053 strstr (cfg->method->name, info->name)) {
3054 /*
3055 * This is an icall wrapper, and this is a call to the
3056 * wrapped function.
3057 */
3058 if (cfg->compile_aot) {
3059 patch_info->type = MONO_PATCH_INFO_JIT_ICALL_ADDR;
3060 patch_info->data.name = info->name;
3061 }
3062 } else {
3063 /* for these array methods we currently register the same function pointer
3064 * since it's a vararg function. But this means that mono_find_jit_icall_by_addr ()
3065 * will return the incorrect one depending on the order they are registered.
3066 * See tests/test-arr.cs
3067 */
3068 if (strstr (info->name, "ves_array_new_va_") == NULL && strstr (info->name, "ves_array_element_address_") == NULL) {
3069 patch_info->type = MONO_PATCH_INFO_INTERNAL_METHOD;
3070 patch_info->data.name = info->name;
3071 }
3072 }
3073 }
3074
3075 if (patch_info->type == MONO_PATCH_INFO_ABS) {
3076 if (cfg->abs_patches) {
3077 MonoJumpInfo *abs_ji = g_hash_table_lookup (cfg->abs_patches, patch_info->data.target);
3078 if (abs_ji) {
3079 patch_info->type = abs_ji->type;
3080 patch_info->data.target = abs_ji->data.target;
3081 }
3082 }
3083 }
3084
3085 break;
3086 }
3087 case MONO_PATCH_INFO_SWITCH: {
3088 gpointer *table;
3089 if (cfg->method->dynamic) {
3090 table = mono_code_manager_reserve (cfg->dynamic_info->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
3091 } else {
3092 table = mono_domain_code_reserve (cfg->domain, sizeof (gpointer) * patch_info->data.table->table_size);
3093 }
3094
3095 for (i = 0; i < patch_info->data.table->table_size; i++) {
3096 /* Might be NULL if the switch is eliminated */
3097 if (patch_info->data.table->table [i]) {
3098 g_assert (patch_info->data.table->table [i]->native_offset);
3099 table [i] = GINT_TO_POINTER (patch_info->data.table->table [i]->native_offset);
3100 } else {
3101 table [i] = NULL;
3102 }
3103 }
3104 patch_info->data.table->table = (MonoBasicBlock**)table;
3105 break;
3106 }
3107 case MONO_PATCH_INFO_METHOD_JUMP: {
3108 GSList *list;
3109 MonoDomain *domain = cfg->domain;
3110 unsigned char *ip = cfg->native_code + patch_info->ip.i;
3111
3112 mono_domain_lock (domain);
3113 if (!domain_jit_info (domain)->jump_target_hash)
3114 domain_jit_info (domain)->jump_target_hash = g_hash_table_new (NULL, NULL);
3115 list = g_hash_table_lookup (domain_jit_info (domain)->jump_target_hash, patch_info->data.method);
3116 list = g_slist_prepend (list, ip);
3117 g_hash_table_insert (domain_jit_info (domain)->jump_target_hash, patch_info->data.method, list);
3118 mono_domain_unlock (domain);
3119 break;
3120 }
3121 default:
3122 /* do nothing */
3123 break;
3124 }
3125 }
3126 }
3127
3128 static void
3129 collect_pred_seq_points (MonoBasicBlock *bb, MonoInst *ins, GSList **next, int depth)
3130 {
3131 int i;
3132 MonoBasicBlock *in_bb;
3133
3134 for (i = 0; i < bb->in_count; ++i) {
3135 in_bb = bb->in_bb [i];
3136
3137 if (in_bb->last_seq_point) {
3138 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));
3139 } else {
3140 /* Have to look at its predecessors */
3141 if (depth < 5)
3142 collect_pred_seq_points (in_bb, ins, next, depth + 1);
3143 }
3144 }
3145 }
3146
3147 static void
3148 mono_save_seq_point_info (MonoCompile *cfg)
3149 {
3150 MonoBasicBlock *bb;
3151 GSList *bb_seq_points, *l;
3152 MonoInst *last;
3153 MonoDomain *domain = cfg->domain;
3154 int i;
3155 MonoSeqPointInfo *info;
3156 GSList **next;
3157
3158 if (!cfg->seq_points)
3159 return;
3160
3161 info = g_malloc0 (sizeof (MonoSeqPointInfo) + (cfg->seq_points->len - MONO_ZERO_LEN_ARRAY) * sizeof (SeqPoint));
3162 info->len = cfg->seq_points->len;
3163 for (i = 0; i < cfg->seq_points->len; ++i) {
3164 SeqPoint *sp = &info->seq_points [i];
3165 MonoInst *ins = g_ptr_array_index (cfg->seq_points, i);
3166
3167 sp->il_offset = ins->inst_imm;
3168 sp->native_offset = ins->inst_offset;
3169
3170 /* Used below */
3171 ins->backend.size = i;
3172 }
3173
3174 /*
3175 * For each sequence point, compute the list of sequence points immediately
3176 * following it, this is needed to implement 'step over' in the debugger agent.
3177 */
3178 next = g_new0 (GSList*, cfg->seq_points->len);
3179 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3180 bb_seq_points = g_slist_reverse (bb->seq_points);
3181 last = NULL;
3182 for (l = bb_seq_points; l; l = l->next) {
3183 MonoInst *ins = l->data;
3184
3185 if (!(ins->flags & MONO_INST_SINGLE_STEP_LOC))
3186 continue;
3187
3188 if (last != NULL) {
3189 /* Link with the previous seq point in the same bb */
3190 next [last->backend.size] = g_slist_append (next [last->backend.size], GUINT_TO_POINTER (ins->backend.size));
3191 } else {
3192 /* Link with the last bb in the previous bblocks */
3193 collect_pred_seq_points (bb, ins, next, 0);
3194 }
3195
3196 last = ins;
3197 }
3198 }
3199
3200 if (cfg->verbose_level > 2) {
3201 printf ("\nSEQ POINT MAP: \n");
3202 }
3203
3204 for (i = 0; i < cfg->seq_points->len; ++i) {
3205 SeqPoint *sp = &info->seq_points [i];
3206 GSList *l;
3207 int j, next_index;
3208
3209 sp->next_len = g_slist_length (next [i]);
3210 sp->next = g_new (int, sp->next_len);
3211 j = 0;
3212 if (cfg->verbose_level > 2 && next [i]) {
3213 printf ("\t0x%x ->", sp->il_offset);
3214 for (l = next [i]; l; l = l->next) {
3215 next_index = GPOINTER_TO_UINT (l->data);
3216 printf (" 0x%x", info->seq_points [next_index].il_offset);
3217 }
3218 printf ("\n");
3219 }
3220 for (l = next [i]; l; l = l->next) {
3221 next_index = GPOINTER_TO_UINT (l->data);
3222 sp->next [j ++] = next_index;
3223 }
3224 g_slist_free (next [i]);
3225 }
3226 g_free (next);
3227
3228 cfg->seq_point_info = info;
3229
3230 // FIXME: dynamic methods
3231 mono_domain_lock (domain);
3232 g_hash_table_insert (domain_jit_info (domain)->seq_points, cfg->method_to_register, info);
3233 mono_domain_unlock (domain);
3234
3235 g_ptr_array_free (cfg->seq_points, TRUE);
3236 cfg->seq_points = NULL;
3237 }
3238
3239 void
3240 mono_codegen (MonoCompile *cfg)
3241 {
3242 MonoBasicBlock *bb;
3243 int max_epilog_size;
3244 guint8 *code;
3245
3246 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3247 cfg->spill_count = 0;
3248 /* we reuse dfn here */
3249 /* bb->dfn = bb_count++; */
3250
3251 mono_arch_lowering_pass (cfg, bb);
3252
3253 if (cfg->opt & MONO_OPT_PEEPHOLE)
3254 mono_arch_peephole_pass_1 (cfg, bb);
3255
3256 if (!cfg->globalra)
3257 mono_local_regalloc (cfg, bb);
3258
3259 if (cfg->opt & MONO_OPT_PEEPHOLE)
3260 mono_arch_peephole_pass_2 (cfg, bb);
3261 }
3262
3263 if (cfg->prof_options & MONO_PROFILE_COVERAGE)
3264 cfg->coverage_info = mono_profiler_coverage_alloc (cfg->method, cfg->num_bblocks);
3265
3266 code = mono_arch_emit_prolog (cfg);
3267
3268 if (cfg->prof_options & MONO_PROFILE_ENTER_LEAVE)
3269 code = mono_arch_instrument_prolog (cfg, mono_profiler_method_enter, code, FALSE);
3270
3271 cfg->code_len = code - cfg->native_code;
3272 cfg->prolog_end = cfg->code_len;
3273
3274 mono_debug_open_method (cfg);
3275
3276 /* emit code all basic blocks */
3277 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3278 bb->native_offset = cfg->code_len;
3279 //if ((bb == cfg->bb_entry) || !(bb->region == -1 && !bb->dfn))
3280 mono_arch_output_basic_block (cfg, bb);
3281 bb->native_length = cfg->code_len - bb->native_offset;
3282
3283 if (bb == cfg->bb_exit) {
3284 cfg->epilog_begin = cfg->code_len;
3285
3286 if (cfg->prof_options & MONO_PROFILE_ENTER_LEAVE) {
3287 code = cfg->native_code + cfg->code_len;
3288 code = mono_arch_instrument_epilog (cfg, mono_profiler_method_leave, code, FALSE);
3289 cfg->code_len = code - cfg->native_code;
3290 g_assert (cfg->code_len < cfg->code_size);
3291 }
3292
3293 mono_arch_emit_epilog (cfg);
3294 }
3295 }
3296
3297 mono_arch_emit_exceptions (cfg);
3298
3299 max_epilog_size = 0;
3300
3301 code = cfg->native_code + cfg->code_len;
3302
3303 /* we always allocate code in cfg->domain->code_mp to increase locality */
3304 cfg->code_size = cfg->code_len + max_epilog_size;
3305 /* fixme: align to MONO_ARCH_CODE_ALIGNMENT */
3306
3307 if (cfg->method->dynamic) {
3308 guint unwindlen = 0;
3309 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
3310 unwindlen = mono_arch_unwindinfo_get_size (cfg->arch.unwindinfo);
3311 #endif
3312 /* Allocate the code into a separate memory pool so it can be freed */
3313 cfg->dynamic_info = g_new0 (MonoJitDynamicMethodInfo, 1);
3314 cfg->dynamic_info->code_mp = mono_code_manager_new_dynamic ();
3315 mono_domain_lock (cfg->domain);
3316 mono_dynamic_code_hash_insert (cfg->domain, cfg->method, cfg->dynamic_info);
3317 mono_domain_unlock (cfg->domain);
3318
3319 code = mono_code_manager_reserve (cfg->dynamic_info->code_mp, cfg->code_size + unwindlen);
3320 } else {
3321 guint unwindlen = 0;
3322 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
3323 unwindlen = mono_arch_unwindinfo_get_size (cfg->arch.unwindinfo);
3324 #endif
3325 code = mono_domain_code_reserve (cfg->domain, cfg->code_size + unwindlen);
3326 }
3327
3328 memcpy (code, cfg->native_code, cfg->code_len);
3329 g_free (cfg->native_code);
3330 cfg->native_code = code;
3331 code = cfg->native_code + cfg->code_len;
3332
3333 /* g_assert (((int)cfg->native_code & (MONO_ARCH_CODE_ALIGNMENT - 1)) == 0); */
3334 mono_postprocess_patches (cfg);
3335
3336 #ifdef VALGRIND_JIT_REGISTER_MAP
3337 if (valgrind_register){
3338 char* nm = mono_method_full_name (cfg->method, TRUE);
3339 VALGRIND_JIT_REGISTER_MAP (nm, cfg->native_code, cfg->native_code + cfg->code_len);
3340 g_free (nm);
3341 }
3342 #endif
3343
3344 if (cfg->verbose_level > 0) {
3345 char* nm = mono_method_full_name (cfg->method, TRUE);
3346 g_print ("Method %s emitted at %p to %p (code length %d) [%s]\n",
3347 nm,
3348 cfg->native_code, cfg->native_code + cfg->code_len, cfg->code_len, cfg->domain->friendly_name);
3349 g_free (nm);
3350 }
3351
3352 {
3353 gboolean is_generic = FALSE;
3354
3355 if (cfg->method->is_inflated || mono_method_get_generic_container (cfg->method) ||
3356 cfg->method->klass->generic_container || cfg->method->klass->generic_class) {
3357 is_generic = TRUE;
3358 }
3359
3360 if (cfg->generic_sharing_context)
3361 g_assert (is_generic);
3362 }
3363
3364 #ifdef MONO_ARCH_HAVE_SAVE_UNWIND_INFO
3365 mono_arch_save_unwind_info (cfg);
3366 #endif
3367
3368 mono_arch_patch_code (cfg->method, cfg->domain, cfg->native_code, cfg->patch_info, cfg->run_cctors);
3369
3370 if (cfg->method->dynamic) {
3371 mono_code_manager_commit (cfg->dynamic_info->code_mp, cfg->native_code, cfg->code_size, cfg->code_len);
3372 } else {
3373 mono_domain_code_commit (cfg->domain, cfg->native_code, cfg->code_size, cfg->code_len);
3374 }
3375 mono_profiler_code_buffer_new (cfg->native_code, cfg->code_len, MONO_PROFILER_CODE_BUFFER_METHOD, cfg->method);
3376
3377 mono_arch_flush_icache (cfg->native_code, cfg->code_len);
3378
3379 mono_debug_close_method (cfg);
3380
3381 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
3382 mono_arch_unwindinfo_install_unwind_info (&cfg->arch.unwindinfo, cfg->native_code, cfg->code_len);
3383 #endif
3384 }
3385
3386 static void
3387 compute_reachable (MonoBasicBlock *bb)
3388 {
3389 int i;
3390
3391 if (!(bb->flags & BB_VISITED)) {
3392 bb->flags |= BB_VISITED;
3393 for (i = 0; i < bb->out_count; ++i)
3394 compute_reachable (bb->out_bb [i]);
3395 }
3396 }
3397
3398 static MonoJitInfo*
3399 create_jit_info (MonoCompile *cfg, MonoMethod *method_to_compile)
3400 {
3401 GSList *tmp;
3402 MonoMethodHeader *header;
3403 MonoJitInfo *jinfo;
3404 int num_clauses;
3405 int generic_info_size;
3406 int holes_size = 0, num_holes = 0;
3407
3408 g_assert (method_to_compile == cfg->method);
3409 header = cfg->header;
3410
3411 if (cfg->generic_sharing_context)
3412 generic_info_size = sizeof (MonoGenericJitInfo);
3413 else
3414 generic_info_size = 0;
3415
3416 if (cfg->try_block_holes) {
3417 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
3418 TryBlockHole *hole = tmp->data;
3419 MonoExceptionClause *ec = hole->clause;
3420 int hole_end = hole->basic_block->native_offset + hole->basic_block->native_length;
3421 MonoBasicBlock *clause_last_bb = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
3422 g_assert (clause_last_bb);
3423
3424 /* Holes at the end of a try region can be represented by simply reducing the size of the block itself.*/
3425 if (clause_last_bb->native_offset != hole_end)
3426 ++num_holes;
3427 }
3428 if (num_holes)
3429 holes_size = sizeof (MonoTryBlockHoleTableJitInfo) + num_holes * sizeof (MonoTryBlockHoleJitInfo);
3430 if (G_UNLIKELY (cfg->verbose_level >= 4))
3431 printf ("Number of try block holes %d\n", num_holes);
3432 }
3433
3434 if (COMPILE_LLVM (cfg))
3435 num_clauses = cfg->llvm_ex_info_len;
3436 else
3437 num_clauses = header->num_clauses;
3438
3439 if (cfg->method->dynamic) {
3440 jinfo = g_malloc0 (MONO_SIZEOF_JIT_INFO + (num_clauses * sizeof (MonoJitExceptionInfo)) +
3441 generic_info_size + holes_size);
3442 } else {
3443 jinfo = mono_domain_alloc0 (cfg->domain, MONO_SIZEOF_JIT_INFO +
3444 (num_clauses * sizeof (MonoJitExceptionInfo)) +
3445 generic_info_size + holes_size);
3446 }
3447
3448 jinfo->method = cfg->method_to_register;
3449 jinfo->code_start = cfg->native_code;
3450 jinfo->code_size = cfg->code_len;
3451 jinfo->used_regs = cfg->used_int_regs;
3452 jinfo->domain_neutral = (cfg->opt & MONO_OPT_SHARED) != 0;
3453 jinfo->cas_inited = FALSE; /* initialization delayed at the first stalk walk using this method */
3454 jinfo->num_clauses = num_clauses;
3455 if (COMPILE_LLVM (cfg))
3456 jinfo->from_llvm = TRUE;
3457
3458 if (cfg->generic_sharing_context) {
3459 MonoInst *inst;
3460 MonoGenericJitInfo *gi;
3461
3462 jinfo->has_generic_jit_info = 1;
3463
3464 gi = mono_jit_info_get_generic_jit_info (jinfo);
3465 g_assert (gi);
3466
3467 gi->generic_sharing_context = cfg->generic_sharing_context;
3468
3469 if ((method_to_compile->flags & METHOD_ATTRIBUTE_STATIC) ||
3470 mini_method_get_context (method_to_compile)->method_inst ||
3471 method_to_compile->klass->valuetype) {
3472 g_assert (cfg->rgctx_var);
3473 }
3474
3475 gi->has_this = 1;
3476
3477 if ((method_to_compile->flags & METHOD_ATTRIBUTE_STATIC) ||
3478 mini_method_get_context (method_to_compile)->method_inst ||
3479 method_to_compile->klass->valuetype) {
3480 inst = cfg->rgctx_var;
3481 g_assert (inst->opcode == OP_REGOFFSET);
3482 } else {
3483 inst = cfg->args [0];
3484 }
3485
3486 if (inst->opcode == OP_REGVAR) {
3487 gi->this_in_reg = 1;
3488 gi->this_reg = inst->dreg;
3489 } else {
3490 g_assert (inst->opcode == OP_REGOFFSET);
3491 #ifdef TARGET_X86
3492 g_assert (inst->inst_basereg == X86_EBP);
3493 #elif defined(TARGET_AMD64)
3494 g_assert (inst->inst_basereg == X86_EBP || inst->inst_basereg == X86_ESP);
3495 #endif
3496 g_assert (inst->inst_offset >= G_MININT32 && inst->inst_offset <= G_MAXINT32);
3497
3498 gi->this_in_reg = 0;
3499 gi->this_reg = inst->inst_basereg;
3500 gi->this_offset = inst->inst_offset;
3501 }
3502 }
3503
3504 if (num_holes) {
3505 MonoTryBlockHoleTableJitInfo *table;
3506 int i;
3507
3508 jinfo->has_try_block_holes = 1;
3509 table = mono_jit_info_get_try_block_hole_table_info (jinfo);
3510 table->num_holes = (guint16)num_holes;
3511 i = 0;
3512 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
3513 guint32 start_bb_offset;
3514 MonoTryBlockHoleJitInfo *hole;
3515 TryBlockHole *hole_data = tmp->data;
3516 MonoExceptionClause *ec = hole_data->clause;
3517 int hole_end = hole_data->basic_block->native_offset + hole_data->basic_block->native_length;
3518 MonoBasicBlock *clause_last_bb = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
3519 g_assert (clause_last_bb);
3520
3521 /* Holes at the end of a try region can be represented by simply reducing the size of the block itself.*/
3522 if (clause_last_bb->native_offset == hole_end)
3523 continue;
3524
3525 start_bb_offset = hole_data->start_offset - hole_data->basic_block->native_offset;
3526 hole = &table->holes [i++];
3527 hole->clause = hole_data->clause - &header->clauses [0];
3528 hole->offset = (guint32)hole_data->start_offset;
3529 hole->length = (guint16)(hole_data->basic_block->native_length - start_bb_offset);
3530
3531 if (G_UNLIKELY (cfg->verbose_level >= 4))
3532 printf ("\tTry block hole at eh clause %d offset %x length %x\n", hole->clause, hole->offset, hole->length);
3533 }
3534 g_assert (i == num_holes);
3535 }
3536
3537 if (COMPILE_LLVM (cfg)) {
3538 if (num_clauses)
3539 memcpy (&jinfo->clauses [0], &cfg->llvm_ex_info [0], num_clauses * sizeof (MonoJitExceptionInfo));
3540 } else if (header->num_clauses) {
3541 int i;
3542
3543 for (i = 0; i < header->num_clauses; i++) {
3544 MonoExceptionClause *ec = &header->clauses [i];
3545 MonoJitExceptionInfo *ei = &jinfo->clauses [i];
3546 MonoBasicBlock *tblock;
3547 MonoInst *exvar;
3548
3549 ei->flags = ec->flags;
3550
3551 exvar = mono_find_exvar_for_offset (cfg, ec->handler_offset);
3552 ei->exvar_offset = exvar ? exvar->inst_offset : 0;
3553
3554 if (ei->flags == MONO_EXCEPTION_CLAUSE_FILTER) {
3555 tblock = cfg->cil_offset_to_bb [ec->data.filter_offset];
3556 g_assert (tblock);
3557 ei->data.filter = cfg->native_code + tblock->native_offset;
3558 } else {
3559 ei->data.catch_class = ec->data.catch_class;
3560 }
3561
3562 tblock = cfg->cil_offset_to_bb [ec->try_offset];
3563 g_assert (tblock);
3564 ei->try_start = cfg->native_code + tblock->native_offset;
3565 g_assert (tblock->native_offset);
3566 tblock = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
3567 g_assert (tblock);
3568 ei->try_end = cfg->native_code + tblock->native_offset;
3569 g_assert (tblock->native_offset);
3570 tblock = cfg->cil_offset_to_bb [ec->handler_offset];
3571 g_assert (tblock);
3572 ei->handler_start = cfg->native_code + tblock->native_offset;
3573
3574 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
3575 TryBlockHole *hole = tmp->data;
3576 gpointer hole_end = cfg->native_code + (hole->basic_block->native_offset + hole->basic_block->native_length);
3577 if (hole->clause == ec && hole_end == ei->try_end) {
3578 if (G_UNLIKELY (cfg->verbose_level >= 4))
3579 printf ("\tShortening try block %d from %x to %x\n", i, (int)((guint8*)ei->try_end - cfg->native_code), hole->start_offset);
3580
3581 ei->try_end = cfg->native_code + hole->start_offset;
3582 break;
3583 }
3584 }
3585
3586 if (ec->flags == MONO_EXCEPTION_CLAUSE_FINALLY) {
3587 int end_offset;
3588 if (ec->handler_offset + ec->handler_len < header->code_size) {
3589 tblock = cfg->cil_offset_to_bb [ec->handler_offset + ec->handler_len];
3590 g_assert (tblock);
3591 end_offset = tblock->native_offset;
3592 } else {
3593 end_offset = cfg->epilog_begin;
3594 }
3595 ei->data.handler_end = cfg->native_code + end_offset;
3596 }
3597 }
3598
3599 if (G_UNLIKELY (cfg->verbose_level >= 4)) {
3600 for (i = 0; i < jinfo->num_clauses; i++) {
3601 MonoJitExceptionInfo *ei = &jinfo->clauses [i];
3602 int start = (guint8*)ei->try_start - cfg->native_code;
3603 int end = (guint8*)ei->try_end - cfg->native_code;
3604 int handler = (guint8*)ei->handler_start - cfg->native_code;
3605
3606 printf ("JitInfo EH clause %d flags %x try %x-%x handler %x\n", i, ei->flags, start, end, handler);
3607 }
3608 }
3609
3610 }
3611
3612 /*
3613 * Its possible to generate dwarf unwind info for xdebug etc, but not actually
3614 * using it during runtime, hence the define.
3615 */
3616 #ifdef MONO_ARCH_HAVE_XP_UNWIND
3617 if (cfg->encoded_unwind_ops) {
3618 jinfo->used_regs = mono_cache_unwind_info (cfg->encoded_unwind_ops, cfg->encoded_unwind_ops_len);
3619 g_free (cfg->encoded_unwind_ops);
3620 } else if (cfg->unwind_ops) {
3621 guint32 info_len;
3622 guint8 *unwind_info = mono_unwind_ops_encode (cfg->unwind_ops, &info_len);
3623
3624 jinfo->used_regs = mono_cache_unwind_info (unwind_info, info_len);
3625 g_free (unwind_info);
3626 }
3627 #endif
3628
3629 return jinfo;
3630 }
3631 #endif
3632
3633 /*
3634 * mini_get_shared_method:
3635 *
3636 * Return the method which is actually compiled/registered when doing generic sharing.
3637 */
3638 MonoMethod*
3639 mini_get_shared_method (MonoMethod *method)
3640 {
3641 MonoGenericContext shared_context;
3642 MonoMethod *declaring_method, *res;
3643 int i;
3644 gboolean partial = FALSE;
3645
3646 if (method->is_generic || method->klass->generic_container)
3647 declaring_method = method;
3648 else
3649 declaring_method = mono_method_get_declaring_generic_method (method);
3650
3651 if (declaring_method->is_generic)
3652 shared_context = mono_method_get_generic_container (declaring_method)->context;
3653 else
3654 shared_context = declaring_method->klass->generic_container->context;
3655
3656 /* Handle partial sharing */
3657 if (method != declaring_method && method->is_inflated && !mono_method_is_generic_sharable_impl_full (method, FALSE, FALSE)) {
3658 MonoGenericContext *context = mono_method_get_context (method);
3659 MonoGenericInst *inst;
3660 MonoType **type_argv;
3661
3662 /*
3663 * Create the shared context by replacing the ref type arguments with
3664 * type parameters, and keeping the rest.
3665 */
3666 partial = TRUE;
3667 inst = context->class_inst;
3668 if (inst) {
3669 type_argv = g_new0 (MonoType*, inst->type_argc);
3670 for (i = 0; i < inst->type_argc; ++i) {
3671 if (MONO_TYPE_IS_REFERENCE (inst->type_argv [i]) || inst->type_argv [i]->type == MONO_TYPE_VAR || inst->type_argv [i]->type == MONO_TYPE_MVAR)
3672 type_argv [i] = shared_context.class_inst->type_argv [i];
3673 else
3674 type_argv [i] = inst->type_argv [i];
3675 }
3676
3677 shared_context.class_inst = mono_metadata_get_generic_inst (inst->type_argc, type_argv);
3678 g_free (type_argv);
3679 }
3680
3681 inst = context->method_inst;
3682 if (inst) {
3683 type_argv = g_new0 (MonoType*, inst->type_argc);
3684 for (i = 0; i < inst->type_argc; ++i) {
3685 if (MONO_TYPE_IS_REFERENCE (inst->type_argv [i]) || inst->type_argv [i]->type == MONO_TYPE_VAR || inst->type_argv [i]->type == MONO_TYPE_MVAR)
3686 type_argv [i] = shared_context.method_inst->type_argv [i];
3687 else
3688 type_argv [i] = inst->type_argv [i];
3689 }
3690
3691 shared_context.method_inst = mono_metadata_get_generic_inst (inst->type_argc, type_argv);
3692 g_free (type_argv);
3693 }
3694 }
3695
3696 res = mono_class_inflate_generic_method (declaring_method, &shared_context);
3697 if (!partial) {
3698 /* The result should be an inflated method whose parent is not inflated */
3699 g_assert (!res->klass->is_inflated);
3700 }
3701 return res;
3702 }
3703
3704 #ifndef DISABLE_JIT
3705 /*
3706 * mini_method_compile:
3707 * @method: the method to compile
3708 * @opts: the optimization flags to use
3709 * @domain: the domain where the method will be compiled in
3710 * @run_cctors: whether we should run type ctors if possible
3711 * @compile_aot: whether this is an AOT compilation
3712 * @parts: debug flag
3713 *
3714 * Returns: a MonoCompile* pointer. Caller must check the exception_type
3715 * field in the returned struct to see if compilation succeded.
3716 */
3717 MonoCompile*
3718 mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, gboolean run_cctors, gboolean compile_aot, int parts)
3719 {
3720 MonoMethodHeader *header;
3721 MonoMethodSignature *sig;
3722 MonoError err;
3723 guint8 *ip;
3724 MonoCompile *cfg;
3725 int dfn, i, code_size_ratio;
3726 gboolean deadce_has_run = FALSE;
3727 gboolean try_generic_shared, try_llvm;
3728 MonoMethod *method_to_compile, *method_to_register;
3729
3730 mono_jit_stats.methods_compiled++;
3731 if (mono_profiler_get_events () & MONO_PROFILE_JIT_COMPILATION)
3732 mono_profiler_method_jit (method);
3733 if (MONO_PROBE_METHOD_COMPILE_BEGIN_ENABLED ())
3734 MONO_PROBE_METHOD_COMPILE_BEGIN (method);
3735
3736 if (compile_aot)
3737 /*
3738 * We might get passed the original generic method definition or
3739 * instances with type parameters.
3740 * FIXME: Remove the method->klass->generic_class limitation.
3741 */
3742 try_generic_shared = mono_class_generic_sharing_enabled (method->klass) &&
3743 (opts & MONO_OPT_GSHARED) && ((method->is_generic || method->klass->generic_container) || (!method->klass->generic_class && mono_method_is_generic_sharable_impl (method, TRUE)));
3744 else
3745 try_generic_shared = mono_class_generic_sharing_enabled (method->klass) &&
3746 (opts & MONO_OPT_GSHARED) && mono_method_is_generic_sharable_impl (method, FALSE);
3747
3748 if (opts & MONO_OPT_GSHARED) {
3749 if (try_generic_shared)
3750 mono_stats.generics_sharable_methods++;
3751 else if (mono_method_is_generic_impl (method))
3752 mono_stats.generics_unsharable_methods++;
3753 }
3754
3755 try_llvm = TRUE;
3756
3757 #ifndef ENABLE_LLVM
3758 try_llvm = FALSE;
3759 #endif
3760
3761 restart_compile:
3762 if (try_generic_shared) {
3763 method_to_compile = mini_get_shared_method (method);
3764 g_assert (method_to_compile);
3765 } else {
3766 method_to_compile = method;
3767 }
3768
3769 cfg = g_new0 (MonoCompile, 1);
3770 cfg->method = method_to_compile;
3771 cfg->header = mono_method_get_header (cfg->method);
3772 cfg->mempool = mono_mempool_new ();
3773 cfg->opt = opts;
3774 cfg->prof_options = mono_profiler_get_events ();
3775 cfg->run_cctors = run_cctors;
3776 cfg->domain = domain;
3777 cfg->verbose_level = mini_verbose;
3778 cfg->compile_aot = compile_aot;
3779 cfg->skip_visibility = method->skip_visibility;
3780 cfg->orig_method = method;
3781 cfg->gen_seq_points = debug_options.gen_seq_points;
3782 cfg->explicit_null_checks = debug_options.explicit_null_checks;
3783 if (try_generic_shared)
3784 cfg->generic_sharing_context = (MonoGenericSharingContext*)&cfg->generic_sharing_context;
3785 cfg->compile_llvm = try_llvm;
3786 cfg->token_info_hash = g_hash_table_new (NULL, NULL);
3787
3788 if (cfg->gen_seq_points)
3789 cfg->seq_points = g_ptr_array_new ();
3790
3791 if (cfg->compile_aot && !try_generic_shared && (method->is_generic || method->klass->generic_container)) {
3792 cfg->exception_type = MONO_EXCEPTION_GENERIC_SHARING_FAILED;
3793 return cfg;
3794 }
3795
3796 if (cfg->generic_sharing_context) {
3797 method_to_register = method_to_compile;
3798 } else {
3799 g_assert (method == method_to_compile);
3800 method_to_register = method;
3801 }
3802 cfg->method_to_register = method_to_register;
3803
3804 if (cfg->compile_llvm) {
3805 /* No way to obtain the location info for 'this' */
3806 if (try_generic_shared) {
3807 cfg->exception_message = g_strdup ("gshared");
3808 cfg->disable_llvm = TRUE;
3809 }
3810
3811 if (cfg->method->save_lmf) {
3812 cfg->exception_message = g_strdup ("lmf");
3813 cfg->disable_llvm = TRUE;
3814 }
3815
3816 /* FIXME: */
3817 if (cfg->method->dynamic) {
3818 cfg->exception_message = g_strdup ("dynamic.");
3819 cfg->disable_llvm = TRUE;
3820 }
3821 }
3822
3823 mono_error_init (&err);
3824 sig = mono_method_signature_checked (cfg->method, &err);
3825 if (!sig) {
3826 cfg->exception_type = MONO_EXCEPTION_TYPE_LOAD;
3827 cfg->exception_message = g_strdup (mono_error_get_message (&err));
3828 mono_error_cleanup (&err);
3829 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
3830 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
3831 return cfg;
3832 }
3833
3834 header = cfg->header;
3835 if (!header) {
3836 MonoLoaderError *error;
3837
3838 if ((error = mono_loader_get_last_error ())) {
3839 cfg->exception_type = error->exception_type;
3840 } else {
3841 cfg->exception_type = MONO_EXCEPTION_INVALID_PROGRAM;
3842 cfg->exception_message = g_strdup_printf ("Missing or incorrect header for method %s", cfg->method->name);
3843 }
3844 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
3845 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
3846 return cfg;
3847 }
3848
3849 if (header->clauses) {
3850 /*
3851 * FIXME: LLLVM 2.6/SVN no longer seems to generate correct exception info
3852 * for JITted code.
3853 */
3854 cfg->exception_message = g_strdup ("clauses");
3855 cfg->disable_llvm = TRUE;
3856 }
3857
3858 #ifdef ENABLE_LLVM
3859 {
3860 static gboolean inited;
3861
3862 if (!inited) {
3863 mono_counters_register ("Methods JITted using LLVM", MONO_COUNTER_JIT | MONO_COUNTER_INT, &methods_with_llvm);
3864 mono_counters_register ("Methods JITted using mono JIT", MONO_COUNTER_JIT | MONO_COUNTER_INT, &methods_without_llvm);
3865 inited = TRUE;
3866 }
3867
3868 /*
3869 * Check for methods which cannot be compiled by LLVM early, to avoid
3870 * the extra compilation pass.
3871 */
3872 if (COMPILE_LLVM (cfg) && cfg->disable_llvm) {
3873 if (cfg->verbose_level >= 1) {
3874 //nm = mono_method_full_name (cfg->method, TRUE);
3875 printf ("LLVM failed for '%s': %s\n", method->name, cfg->exception_message);
3876 //g_free (nm);
3877 }
3878 InterlockedIncrement (&methods_without_llvm);
3879 mono_destroy_compile (cfg);
3880 try_llvm = FALSE;
3881 goto restart_compile;
3882 }
3883 }
3884 #endif
3885
3886 /* The debugger has no liveness information, so avoid sharing registers/stack slots */
3887 if (mono_debug_using_mono_debugger () || debug_options.mdb_optimizations) {
3888 cfg->disable_reuse_registers = TRUE;
3889 cfg->disable_reuse_stack_slots = TRUE;
3890 /*
3891 * This decreases the change the debugger will read registers/stack slots which are
3892 * not yet initialized.
3893 */
3894 cfg->disable_initlocals_opt = TRUE;
3895
3896 cfg->extend_live_ranges = TRUE;
3897
3898 /* Temporarily disable this when running in the debugger until we have support
3899 * for this in the debugger. */
3900 cfg->disable_omit_fp = TRUE;
3901
3902 /* The debugger needs all locals to be on the stack or in a global register */
3903 cfg->disable_vreg_to_lvreg = TRUE;
3904
3905 /* Don't remove unused variables when running inside the debugger since the user
3906 * may still want to view them. */
3907 cfg->disable_deadce_vars = TRUE;
3908
3909 // cfg->opt |= MONO_OPT_SHARED;
3910 cfg->opt &= ~MONO_OPT_DEADCE;
3911 cfg->opt &= ~MONO_OPT_INLINE;
3912 cfg->opt &= ~MONO_OPT_COPYPROP;
3913 cfg->opt &= ~MONO_OPT_CONSPROP;
3914 cfg->opt &= ~MONO_OPT_GSHARED;
3915
3916 /* This is needed for the soft debugger, which doesn't like code after the epilog */
3917 cfg->disable_out_of_line_bblocks = TRUE;
3918 }
3919
3920 if (mono_using_xdebug) {
3921 /*
3922 * Make each variable use its own register/stack slot and extend
3923 * their liveness to cover the whole method, making them displayable
3924 * in gdb even after they are dead.
3925 */
3926 cfg->disable_reuse_registers = TRUE;
3927 cfg->disable_reuse_stack_slots = TRUE;
3928 cfg->extend_live_ranges = TRUE;
3929 cfg->compute_precise_live_ranges = TRUE;
3930 }
3931
3932 mini_gc_init_gc_map (cfg);
3933
3934 if (COMPILE_LLVM (cfg)) {
3935 cfg->opt |= MONO_OPT_ABCREM;
3936 }
3937
3938 if (getenv ("MONO_VERBOSE_METHOD")) {
3939 char *name = getenv ("MONO_VERBOSE_METHOD");
3940
3941 if ((strchr (name, '.') > name) || strchr (name, ':')) {
3942 MonoMethodDesc *desc;
3943
3944 desc = mono_method_desc_new (name, TRUE);
3945 if (mono_method_desc_full_match (desc, cfg->method)) {
3946 cfg->verbose_level = 4;
3947 }
3948 mono_method_desc_free (desc);
3949 } else {
3950 if (strcmp (cfg->method->name, getenv ("MONO_VERBOSE_METHOD")) == 0)
3951 cfg->verbose_level = 4;
3952 }
3953 }
3954
3955 ip = (guint8 *)header->code;
3956
3957 cfg->intvars = mono_mempool_alloc0 (cfg->mempool, sizeof (guint16) * STACK_MAX * header->max_stack);
3958
3959 if (cfg->verbose_level > 0) {
3960 if (COMPILE_LLVM (cfg))
3961 g_print ("converting llvm method %s\n", mono_method_full_name (method, TRUE));
3962 else if (cfg->generic_sharing_context)
3963 g_print ("converting shared method %s\n", mono_method_full_name (method_to_compile, TRUE));
3964 else
3965 g_print ("converting method %s\n", mono_method_full_name (method, TRUE));
3966 }
3967
3968 if (cfg->opt & (MONO_OPT_ABCREM | MONO_OPT_SSAPRE))
3969 cfg->opt |= MONO_OPT_SSA;
3970
3971 /*
3972 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")))
3973 cfg->globalra = TRUE;
3974 */
3975
3976 //cfg->globalra = TRUE;
3977
3978 //if (!strcmp (cfg->method->klass->name, "Tests") && !cfg->method->wrapper_type)
3979 // cfg->globalra = TRUE;
3980
3981 {
3982 static int count = 0;
3983 count ++;
3984
3985 /*
3986 if (getenv ("COUNT2")) {
3987 cfg->globalra = TRUE;
3988 if (count == atoi (getenv ("COUNT2")))
3989 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
3990 if (count > atoi (getenv ("COUNT2")))
3991 cfg->globalra = FALSE;
3992 }
3993 */
3994 }
3995
3996 if (header->clauses)
3997 cfg->globalra = FALSE;
3998
3999 if (cfg->method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED)
4000 /* The code in the prolog clobbers caller saved registers */
4001 cfg->globalra = FALSE;
4002
4003 // FIXME: Disable globalra in case of tracing/profiling
4004
4005 if (cfg->method->save_lmf)
4006 /* The LMF saving code might clobber caller saved registers */
4007 cfg->globalra = FALSE;
4008
4009 if (header->code_size > 5000)
4010 // FIXME:
4011 /* Too large bblocks could overflow the ins positions */
4012 cfg->globalra = FALSE;
4013
4014 cfg->rs = mono_regstate_new ();
4015 if (cfg->globalra)
4016 cfg->rs->next_vreg = MONO_MAX_IREGS + MONO_MAX_FREGS;
4017 cfg->next_vreg = cfg->rs->next_vreg;
4018
4019 /* FIXME: Fix SSA to handle branches inside bblocks */
4020 if (cfg->opt & MONO_OPT_SSA)
4021 cfg->enable_extended_bblocks = FALSE;
4022
4023 /*
4024 * FIXME: This confuses liveness analysis because variables which are assigned after
4025 * a branch inside a bblock become part of the kill set, even though the assignment
4026 * might not get executed. This causes the optimize_initlocals pass to delete some
4027 * assignments which are needed.
4028 * Also, the mono_if_conversion pass needs to be modified to recognize the code
4029 * created by this.
4030 */
4031 //cfg->enable_extended_bblocks = TRUE;
4032
4033 /*We must verify the method before doing any IR generation as mono_compile_create_vars can assert.*/
4034 if (mono_compile_is_broken (cfg))
4035 return cfg;
4036
4037 /*
4038 * create MonoInst* which represents arguments and local variables
4039 */
4040 mono_compile_create_vars (cfg);
4041
4042 /* SSAPRE is not supported on linear IR */
4043 cfg->opt &= ~MONO_OPT_SSAPRE;
4044
4045 i = mono_method_to_ir (cfg, method_to_compile, NULL, NULL, NULL, NULL, NULL, 0, FALSE);
4046
4047 if (i < 0) {
4048 if (try_generic_shared && cfg->exception_type == MONO_EXCEPTION_GENERIC_SHARING_FAILED) {
4049 if (compile_aot) {
4050 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4051 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
4052 return cfg;
4053 }
4054 mono_destroy_compile (cfg);
4055 try_generic_shared = FALSE;
4056 goto restart_compile;
4057 }
4058 g_assert (cfg->exception_type != MONO_EXCEPTION_GENERIC_SHARING_FAILED);
4059
4060 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4061 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
4062 /* cfg contains the details of the failure, so let the caller cleanup */
4063 return cfg;
4064 }
4065
4066 mono_jit_stats.basic_blocks += cfg->num_bblocks;
4067 mono_jit_stats.max_basic_blocks = MAX (cfg->num_bblocks, mono_jit_stats.max_basic_blocks);
4068
4069 if (COMPILE_LLVM (cfg)) {
4070 MonoInst *ins;
4071
4072 /* The IR has to be in SSA form for LLVM */
4073 cfg->opt |= MONO_OPT_SSA;
4074
4075 // FIXME:
4076 if (cfg->ret) {
4077 // Allow SSA on the result value
4078 cfg->ret->flags &= ~MONO_INST_VOLATILE;
4079
4080 // Add an explicit return instruction referencing the return value
4081 MONO_INST_NEW (cfg, ins, OP_SETRET);
4082 ins->sreg1 = cfg->ret->dreg;
4083
4084 MONO_ADD_INS (cfg->bb_exit, ins);
4085 }
4086
4087 cfg->opt &= ~MONO_OPT_LINEARS;
4088
4089 /* FIXME: */
4090 cfg->opt &= ~MONO_OPT_BRANCH;
4091 }
4092
4093 /* todo: remove code when we have verified that the liveness for try/catch blocks
4094 * works perfectly
4095 */
4096 /*
4097 * Currently, this can't be commented out since exception blocks are not
4098 * processed during liveness analysis.
4099 * It is also needed, because otherwise the local optimization passes would
4100 * delete assignments in cases like this:
4101 * r1 <- 1
4102 * <something which throws>
4103 * r1 <- 2
4104 * This also allows SSA to be run on methods containing exception clauses, since
4105 * SSA will ignore variables marked VOLATILE.
4106 */
4107 mono_liveness_handle_exception_clauses (cfg);
4108
4109 /*g_print ("numblocks = %d\n", cfg->num_bblocks);*/
4110
4111 if (!COMPILE_LLVM (cfg))
4112 mono_decompose_long_opts (cfg);
4113
4114 /* Should be done before branch opts */
4115 if (cfg->opt & (MONO_OPT_CONSPROP | MONO_OPT_COPYPROP))
4116 mono_local_cprop (cfg);
4117
4118 if (cfg->opt & MONO_OPT_BRANCH)
4119 mono_optimize_branches (cfg);
4120
4121 /* This must be done _before_ global reg alloc and _after_ decompose */
4122 mono_handle_global_vregs (cfg);
4123 if (cfg->opt & MONO_OPT_DEADCE)
4124 mono_local_deadce (cfg);
4125 /* Disable this for LLVM to make the IR easier to handle */
4126 if (!COMPILE_LLVM (cfg))
4127 mono_if_conversion (cfg);
4128
4129 if ((cfg->opt & MONO_OPT_SSAPRE) || cfg->globalra)
4130 mono_remove_critical_edges (cfg);
4131
4132 /* Depth-first ordering on basic blocks */
4133 cfg->bblocks = mono_mempool_alloc (cfg->mempool, sizeof (MonoBasicBlock*) * (cfg->num_bblocks + 1));
4134
4135 cfg->max_block_num = cfg->num_bblocks;
4136
4137 dfn = 0;
4138 df_visit (cfg->bb_entry, &dfn, cfg->bblocks);
4139 if (cfg->num_bblocks != dfn + 1) {
4140 MonoBasicBlock *bb;
4141
4142 cfg->num_bblocks = dfn + 1;
4143
4144 /* remove unreachable code, because the code in them may be
4145 * inconsistent (access to dead variables for example) */
4146 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
4147 bb->flags &= ~BB_VISITED;
4148 compute_reachable (cfg->bb_entry);
4149 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
4150 if (bb->flags & BB_EXCEPTION_HANDLER)
4151 compute_reachable (bb);
4152 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4153 if (!(bb->flags & BB_VISITED)) {
4154 if (cfg->verbose_level > 1)
4155 g_print ("found unreachable code in BB%d\n", bb->block_num);
4156 bb->code = bb->last_ins = NULL;
4157 while (bb->out_count)
4158 mono_unlink_bblock (cfg, bb, bb->out_bb [0]);
4159 }
4160 }
4161 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
4162 bb->flags &= ~BB_VISITED;
4163 }
4164
4165 if (((cfg->num_varinfo > 2000) || (cfg->num_bblocks > 1000)) && !cfg->compile_aot) {
4166 /*
4167 * we disable some optimizations if there are too many variables
4168 * because JIT time may become too expensive. The actual number needs
4169 * to be tweaked and eventually the non-linear algorithms should be fixed.
4170 */
4171 cfg->opt &= ~ (MONO_OPT_LINEARS | MONO_OPT_COPYPROP | MONO_OPT_CONSPROP);
4172 cfg->disable_ssa = TRUE;
4173 }
4174
4175 if (cfg->opt & MONO_OPT_LOOP) {
4176 mono_compile_dominator_info (cfg, MONO_COMP_DOM | MONO_COMP_IDOM);
4177 mono_compute_natural_loops (cfg);
4178 }
4179
4180 /* after method_to_ir */
4181 if (parts == 1) {
4182 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4183 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
4184 return cfg;
4185 }
4186
4187 /*
4188 if (header->num_clauses)
4189 cfg->disable_ssa = TRUE;
4190 */
4191
4192 //#define DEBUGSSA "logic_run"
4193 #define DEBUGSSA_CLASS "Tests"
4194 #ifdef DEBUGSSA
4195
4196 if (!cfg->disable_ssa) {
4197 mono_local_cprop (cfg);
4198
4199 #ifndef DISABLE_SSA
4200 mono_ssa_compute (cfg);
4201 #endif
4202 }
4203 #else
4204 if (cfg->opt & MONO_OPT_SSA) {
4205 if (!(cfg->comp_done & MONO_COMP_SSA) && !cfg->disable_ssa) {
4206 #ifndef DISABLE_SSA
4207 mono_ssa_compute (cfg);
4208 #endif
4209
4210 if (cfg->verbose_level >= 2) {
4211 print_dfn (cfg);
4212 }
4213 }
4214 }
4215 #endif
4216
4217 /* after SSA translation */
4218 if (parts == 2) {
4219 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4220 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
4221 return cfg;
4222 }
4223
4224 if ((cfg->opt & MONO_OPT_CONSPROP) || (cfg->opt & MONO_OPT_COPYPROP)) {
4225 if (cfg->comp_done & MONO_COMP_SSA && !COMPILE_LLVM (cfg)) {
4226 #ifndef DISABLE_SSA
4227 mono_ssa_cprop (cfg);
4228 #endif
4229 }
4230 }
4231
4232 #ifndef DISABLE_SSA
4233 if (cfg->comp_done & MONO_COMP_SSA && !COMPILE_LLVM (cfg)) {
4234 //mono_ssa_strength_reduction (cfg);
4235
4236 if (cfg->opt & MONO_OPT_SSAPRE) {
4237 mono_perform_ssapre (cfg);
4238 //mono_local_cprop (cfg);
4239 }
4240
4241 if (cfg->opt & MONO_OPT_DEADCE) {
4242 mono_ssa_deadce (cfg);
4243 deadce_has_run = TRUE;
4244 }
4245
4246 if ((cfg->flags & (MONO_CFG_HAS_LDELEMA|MONO_CFG_HAS_CHECK_THIS)) && (cfg->opt & MONO_OPT_ABCREM))
4247 mono_perform_abc_removal (cfg);
4248
4249 mono_ssa_remove (cfg);
4250 mono_local_cprop (cfg);
4251 mono_handle_global_vregs (cfg);
4252 if (cfg->opt & MONO_OPT_DEADCE)
4253 mono_local_deadce (cfg);
4254
4255 if (cfg->opt & MONO_OPT_BRANCH) {
4256 MonoBasicBlock *bb;
4257
4258 mono_optimize_branches (cfg);
4259
4260 /* Have to recompute cfg->bblocks and bb->dfn */
4261 if (cfg->globalra) {
4262 mono_remove_critical_edges (cfg);
4263
4264 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
4265 bb->dfn = 0;
4266
4267 /* Depth-first ordering on basic blocks */
4268 cfg->bblocks = mono_mempool_alloc (cfg->mempool, sizeof (MonoBasicBlock*) * (cfg->num_bblocks + 1));
4269
4270 dfn = 0;
4271 df_visit (cfg->bb_entry, &dfn, cfg->bblocks);
4272 cfg->num_bblocks = dfn + 1;
4273 }
4274 }
4275 }
4276 #endif
4277
4278 if (cfg->comp_done & MONO_COMP_SSA && COMPILE_LLVM (cfg)) {
4279 if ((cfg->flags & (MONO_CFG_HAS_LDELEMA|MONO_CFG_HAS_CHECK_THIS)) && (cfg->opt & MONO_OPT_ABCREM))
4280 mono_perform_abc_removal (cfg);
4281 }
4282
4283 /* after SSA removal */
4284 if (parts == 3) {
4285 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4286 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
4287 return cfg;
4288 }
4289
4290 #ifdef MONO_ARCH_SOFT_FLOAT
4291 if (!COMPILE_LLVM (cfg))
4292 mono_decompose_soft_float (cfg);
4293 #endif
4294 if (!COMPILE_LLVM (cfg))
4295 mono_decompose_vtype_opts (cfg);
4296 if (cfg->flags & MONO_CFG_HAS_ARRAY_ACCESS)
4297 mono_decompose_array_access_opts (cfg);
4298
4299 if (cfg->got_var) {
4300 #ifndef MONO_ARCH_GOT_REG
4301 GList *regs;
4302 #endif
4303 int got_reg;
4304
4305 g_assert (cfg->got_var_allocated);
4306
4307 /*
4308 * Allways allocate the GOT var to a register, because keeping it
4309 * in memory will increase the number of live temporaries in some
4310 * code created by inssel.brg, leading to the well known spills+
4311 * branches problem. Testcase: mcs crash in
4312 * System.MonoCustomAttrs:GetCustomAttributes.
4313 */
4314 #ifdef MONO_ARCH_GOT_REG
4315 got_reg = MONO_ARCH_GOT_REG;
4316 #else
4317 regs = mono_arch_get_global_int_regs (cfg);
4318 g_assert (regs);
4319 got_reg = GPOINTER_TO_INT (regs->data);
4320 g_list_free (regs);
4321 #endif
4322 cfg->got_var->opcode = OP_REGVAR;
4323 cfg->got_var->dreg = got_reg;
4324 cfg->used_int_regs |= 1LL << cfg->got_var->dreg;
4325 }
4326
4327 /*
4328 * Have to call this again to process variables added since the first call.
4329 */
4330 mono_liveness_handle_exception_clauses (cfg);
4331
4332 if (cfg->globalra) {
4333 MonoBasicBlock *bb;
4334
4335 /* Have to do this before regalloc since it can create vregs */
4336 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
4337 mono_arch_lowering_pass (cfg, bb);
4338
4339 mono_global_regalloc (cfg);
4340 }
4341
4342 if ((cfg->opt & MONO_OPT_LINEARS) && !cfg->globalra) {
4343 GList *vars, *regs, *l;
4344
4345 /* fixme: maybe we can avoid to compute livenesss here if already computed ? */
4346 cfg->comp_done &= ~MONO_COMP_LIVENESS;
4347 if (!(cfg->comp_done & MONO_COMP_LIVENESS))
4348 mono_analyze_liveness (cfg);
4349
4350 if ((vars = mono_arch_get_allocatable_int_vars (cfg))) {
4351 regs = mono_arch_get_global_int_regs (cfg);
4352 /* Remove the reg reserved for holding the GOT address */
4353 if (cfg->got_var) {
4354 for (l = regs; l; l = l->next) {
4355 if (GPOINTER_TO_UINT (l->data) == cfg->got_var->dreg) {
4356 regs = g_list_delete_link (regs, l);
4357 break;
4358 }
4359 }
4360 }
4361 mono_linear_scan (cfg, vars, regs, &cfg->used_int_regs);
4362 }
4363 }
4364
4365 //mono_print_code (cfg, "");
4366
4367 //print_dfn (cfg);
4368
4369 /* variables are allocated after decompose, since decompose could create temps */
4370 if (!cfg->globalra && !COMPILE_LLVM (cfg)) {
4371 mono_arch_allocate_vars (cfg);
4372 if (cfg->exception_type)
4373 return cfg;
4374 }
4375
4376 {
4377 MonoBasicBlock *bb;
4378 gboolean need_local_opts;
4379
4380 if (!cfg->globalra && !COMPILE_LLVM (cfg)) {
4381 mono_spill_global_vars (cfg, &need_local_opts);
4382
4383 if (need_local_opts || cfg->compile_aot) {
4384 /* To optimize code created by spill_global_vars */
4385 mono_local_cprop (cfg);
4386 if (cfg->opt & MONO_OPT_DEADCE)
4387 mono_local_deadce (cfg);
4388 }
4389 }
4390
4391 /* Add branches between non-consecutive bblocks */
4392 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4393 if (bb->last_ins && MONO_IS_COND_BRANCH_OP (bb->last_ins) &&
4394 bb->last_ins->inst_false_bb && bb->next_bb != bb->last_ins->inst_false_bb) {
4395 /* we are careful when inverting, since bugs like #59580
4396 * could show up when dealing with NaNs.
4397 */
4398 if (MONO_IS_COND_BRANCH_NOFP(bb->last_ins) && bb->next_bb == bb->last_ins->inst_true_bb) {
4399 MonoBasicBlock *tmp = bb->last_ins->inst_true_bb;
4400 bb->last_ins->inst_true_bb = bb->last_ins->inst_false_bb;
4401 bb->last_ins->inst_false_bb = tmp;
4402
4403 bb->last_ins->opcode = mono_reverse_branch_op (bb->last_ins->opcode);
4404 } else {
4405 MonoInst *inst = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoInst));
4406 inst->opcode = OP_BR;
4407 inst->inst_target_bb = bb->last_ins->inst_false_bb;
4408 mono_bblock_add_inst (bb, inst);
4409 }
4410 }
4411 }
4412
4413 if (cfg->verbose_level >= 4 && !cfg->globalra) {
4414 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4415 MonoInst *tree = bb->code;
4416 g_print ("DUMP BLOCK %d:\n", bb->block_num);
4417 if (!tree)
4418 continue;
4419 for (; tree; tree = tree->next) {
4420 mono_print_ins_index (-1, tree);
4421 }
4422 }
4423 }
4424
4425 /* FIXME: */
4426 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4427 bb->max_vreg = cfg->next_vreg;
4428 }
4429 }
4430
4431 if (COMPILE_LLVM (cfg)) {
4432 #ifdef ENABLE_LLVM
4433 char *nm;
4434
4435 /* The IR has to be in SSA form for LLVM */
4436 if (!(cfg->comp_done & MONO_COMP_SSA)) {
4437 cfg->exception_message = g_strdup ("SSA disabled.");
4438 cfg->disable_llvm = TRUE;
4439 }
4440
4441 if (cfg->flags & MONO_CFG_HAS_ARRAY_ACCESS)
4442 mono_decompose_array_access_opts (cfg);
4443
4444 if (!cfg->disable_llvm)
4445 mono_llvm_emit_method (cfg);
4446 if (cfg->disable_llvm) {
4447 if (cfg->verbose_level >= 1) {
4448 //nm = mono_method_full_name (cfg->method, TRUE);
4449 printf ("LLVM failed for '%s': %s\n", method->name, cfg->exception_message);
4450 //g_free (nm);
4451 }
4452 InterlockedIncrement (&methods_without_llvm);
4453 mono_destroy_compile (cfg);
4454 try_llvm = FALSE;
4455 goto restart_compile;
4456 }
4457
4458 InterlockedIncrement (&methods_with_llvm);
4459
4460 if (cfg->verbose_level > 0 && !cfg->compile_aot) {
4461 nm = mono_method_full_name (cfg->method, TRUE);
4462 g_print ("LLVM Method %s emitted at %p to %p (code length %d) [%s]\n",
4463 nm,
4464 cfg->native_code, cfg->native_code + cfg->code_len, cfg->code_len, cfg->domain->friendly_name);
4465 g_free (nm);
4466 }
4467 #endif
4468 } else {
4469 mono_codegen (cfg);
4470 }
4471
4472 if (cfg->verbose_level >= 2) {
4473 char *id = mono_method_full_name (cfg->method, FALSE);
4474 mono_disassemble_code (cfg, cfg->native_code, cfg->code_len, id + 3);
4475 g_free (id);
4476 }
4477
4478 cfg->jit_info = create_jit_info (cfg, method_to_compile);
4479
4480 #ifdef MONO_ARCH_HAVE_LIVERANGE_OPS
4481 if (cfg->extend_live_ranges) {
4482 /* Extend live ranges to cover the whole method */
4483 for (i = 0; i < cfg->num_varinfo; ++i)
4484 MONO_VARINFO (cfg, i)->live_range_end = cfg->code_len;
4485 }
4486 #endif
4487
4488 mono_save_xdebug_info (cfg);
4489
4490 mini_gc_create_gc_map (cfg);
4491
4492 mono_save_seq_point_info (cfg);
4493
4494 if (!cfg->compile_aot) {
4495 mono_domain_lock (cfg->domain);
4496 mono_jit_info_table_add (cfg->domain, cfg->jit_info);
4497
4498 if (cfg->method->dynamic)
4499 mono_dynamic_code_hash_lookup (cfg->domain, cfg->method)->ji = cfg->jit_info;
4500 mono_domain_unlock (cfg->domain);
4501 }
4502
4503 /* collect statistics */
4504 mono_perfcounters->jit_methods++;
4505 mono_perfcounters->jit_bytes += header->code_size;
4506 mono_jit_stats.allocated_code_size += cfg->code_len;
4507 code_size_ratio = cfg->code_len;
4508 if (code_size_ratio > mono_jit_stats.biggest_method_size && mono_jit_stats.enabled) {
4509 mono_jit_stats.biggest_method_size = code_size_ratio;
4510 g_free (mono_jit_stats.biggest_method);
4511 mono_jit_stats.biggest_method = g_strdup_printf ("%s::%s)", method->klass->name, method->name);
4512 }
4513 code_size_ratio = (code_size_ratio * 100) / header->code_size;
4514 if (code_size_ratio > mono_jit_stats.max_code_size_ratio && mono_jit_stats.enabled) {
4515 mono_jit_stats.max_code_size_ratio = code_size_ratio;
4516 g_free (mono_jit_stats.max_ratio_method);
4517 mono_jit_stats.max_ratio_method = g_strdup_printf ("%s::%s)", method->klass->name, method->name);
4518 }
4519 mono_jit_stats.native_code_size += cfg->code_len;
4520
4521 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4522 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
4523
4524 return cfg;
4525 }
4526
4527 #else
4528
4529 MonoCompile*
4530 mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, gboolean run_cctors, gboolean compile_aot, int parts)
4531 {
4532 g_assert_not_reached ();
4533 return NULL;
4534 }
4535
4536 #endif /* DISABLE_JIT */
4537
4538 MonoJitInfo*
4539 mono_domain_lookup_shared_generic (MonoDomain *domain, MonoMethod *method)
4540 {
4541 static gboolean inited = FALSE;
4542 static int lookups = 0;
4543 static int failed_lookups = 0;
4544 MonoJitInfo *ji;
4545
4546 ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, mini_get_shared_method (method));
4547 if (ji && !ji->has_generic_jit_info)
4548 ji = NULL;
4549
4550 if (!inited) {
4551 mono_counters_register ("Shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &lookups);
4552 mono_counters_register ("Failed shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &failed_lookups);
4553 inited = TRUE;
4554 }
4555
4556 ++lookups;
4557 if (!ji)
4558 ++failed_lookups;
4559
4560 return ji;
4561 }
4562
4563 /*
4564 * LOCKING: Assumes domain->jit_code_hash_lock is held.
4565 */
4566 static MonoJitInfo*
4567 lookup_method_inner (MonoDomain *domain, MonoMethod *method)
4568 {
4569 MonoJitInfo *ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, method);
4570
4571 if (ji)
4572 return ji;
4573
4574 if (!mono_method_is_generic_sharable_impl (method, FALSE))
4575 return NULL;
4576 return mono_domain_lookup_shared_generic (domain, method);
4577 }
4578
4579 static MonoJitInfo*
4580 lookup_method (MonoDomain *domain, MonoMethod *method)
4581 {
4582 MonoJitInfo *info;
4583
4584 mono_loader_lock (); /*FIXME lookup_method_inner acquired it*/
4585 mono_domain_jit_code_hash_lock (domain);
4586 info = lookup_method_inner (domain, method);
4587 mono_domain_jit_code_hash_unlock (domain);
4588 mono_loader_unlock ();
4589
4590 return info;
4591 }
4592
4593 #if ENABLE_JIT_MAP
4594 static FILE* perf_map_file = NULL;
4595
4596 void
4597 mono_enable_jit_map (void)
4598 {
4599 if (!perf_map_file) {
4600 char name [64];
4601 g_snprintf (name, sizeof (name), "/tmp/perf-%d.map", getpid ());
4602 unlink (name);
4603 perf_map_file = fopen (name, "w");
4604 }
4605 }
4606
4607 void
4608 mono_emit_jit_tramp (void *start, int size, const char *desc)
4609 {
4610 if (perf_map_file)
4611 fprintf (perf_map_file, "%llx %x %s\n", (long long unsigned int)(gsize)start, size, desc);
4612 }
4613
4614 void
4615 mono_emit_jit_map (MonoJitInfo *jinfo)
4616 {
4617 if (perf_map_file) {
4618 char *name = mono_method_full_name (jinfo->method, TRUE);
4619 mono_emit_jit_tramp (jinfo->code_start, jinfo->code_size, name);
4620 g_free (name);
4621 }
4622 }
4623 #endif
4624
4625 static gpointer
4626 mono_jit_compile_method_inner (MonoMethod *method, MonoDomain *target_domain, int opt, MonoException **jit_ex)
4627 {
4628 MonoCompile *cfg;
4629 gpointer code = NULL;
4630 MonoJitInfo *jinfo, *info;
4631 MonoVTable *vtable;
4632 MonoException *ex = NULL;
4633 guint32 prof_options;
4634
4635 #ifdef MONO_USE_AOT_COMPILER
4636 if (opt & MONO_OPT_AOT) {
4637 MonoDomain *domain = mono_domain_get ();
4638
4639 mono_class_init (method->klass);
4640
4641 if ((code = mono_aot_get_method (domain, method))) {
4642 vtable = mono_class_vtable (domain, method->klass);
4643 g_assert (vtable);
4644 mono_runtime_class_init (vtable);
4645
4646 return code;
4647 }
4648 }
4649 #endif
4650
4651 #ifndef DISABLE_JIT
4652 if ((method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) ||
4653 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL)) {
4654 MonoMethod *nm;
4655 MonoMethodPInvoke* piinfo = (MonoMethodPInvoke *) method;
4656
4657 if (!piinfo->addr) {
4658 if (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL)
4659 piinfo->addr = mono_lookup_internal_call (method);
4660 else if (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)
4661 #ifdef HOST_WIN32
4662 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);
4663 #else
4664 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);
4665 #endif
4666 else
4667 mono_lookup_pinvoke_call (method, NULL, NULL);
4668 }
4669 nm = mono_marshal_get_native_wrapper (method, check_for_pending_exc, FALSE);
4670 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
4671
4672 //if (mono_debug_format != MONO_DEBUG_FORMAT_NONE)
4673 //mono_debug_add_wrapper (method, nm);
4674 } else if ((method->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
4675 const char *name = method->name;
4676 MonoMethod *nm;
4677
4678 if (method->klass->parent == mono_defaults.multicastdelegate_class) {
4679 if (*name == '.' && (strcmp (name, ".ctor") == 0)) {
4680 MonoJitICallInfo *mi = mono_find_jit_icall_by_name ("mono_delegate_ctor");
4681 g_assert (mi);
4682 /*
4683 * We need to make sure this wrapper
4684 * is compiled because it might end up
4685 * in an (M)RGCTX if generic sharing
4686 * is enabled, and would be called
4687 * indirectly. If it were a
4688 * trampoline we'd try to patch that
4689 * indirect call, which is not
4690 * possible.
4691 */
4692 return mono_get_addr_from_ftnptr ((gpointer)mono_icall_get_wrapper_full (mi, TRUE));
4693 } else if (*name == 'I' && (strcmp (name, "Invoke") == 0)) {
4694 #ifdef MONO_ARCH_HAVE_CREATE_DELEGATE_TRAMPOLINE
4695 return mono_create_delegate_trampoline (method->klass);
4696 #else
4697 nm = mono_marshal_get_delegate_invoke (method, NULL);
4698 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
4699 #endif
4700 } else if (*name == 'B' && (strcmp (name, "BeginInvoke") == 0)) {
4701 nm = mono_marshal_get_delegate_begin_invoke (method);
4702 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
4703 } else if (*name == 'E' && (strcmp (name, "EndInvoke") == 0)) {
4704 nm = mono_marshal_get_delegate_end_invoke (method);
4705 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
4706 }
4707 }
4708 return NULL;
4709 }
4710 #endif
4711
4712 if (mono_aot_only) {
4713 char *fullname = mono_method_full_name (method, TRUE);
4714 char *msg = g_strdup_printf ("Attempting to JIT compile method '%s' while running with --aot-only.\n", fullname);
4715
4716 *jit_ex = mono_get_exception_execution_engine (msg);
4717 g_free (fullname);
4718 g_free (msg);
4719
4720 return NULL;
4721 }
4722
4723 cfg = mini_method_compile (method, opt, target_domain, TRUE, FALSE, 0);
4724
4725 switch (cfg->exception_type) {
4726 case MONO_EXCEPTION_NONE:
4727 break;
4728 case MONO_EXCEPTION_TYPE_LOAD:
4729 case MONO_EXCEPTION_MISSING_FIELD:
4730 case MONO_EXCEPTION_MISSING_METHOD:
4731 case MONO_EXCEPTION_FILE_NOT_FOUND:
4732 case MONO_EXCEPTION_BAD_IMAGE: {
4733 /* Throw a type load exception if needed */
4734 MonoLoaderError *error = mono_loader_get_last_error ();
4735
4736 if (error) {
4737 ex = mono_loader_error_prepare_exception (error);
4738 } else {
4739 if (cfg->exception_ptr) {
4740 ex = mono_class_get_exception_for_failure (cfg->exception_ptr);
4741 } else {
4742 if (cfg->exception_type == MONO_EXCEPTION_MISSING_FIELD)
4743 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingFieldException", cfg->exception_message);
4744 else if (cfg->exception_type == MONO_EXCEPTION_MISSING_METHOD)
4745 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingMethodException", cfg->exception_message);
4746 else if (cfg->exception_type == MONO_EXCEPTION_TYPE_LOAD)
4747 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "TypeLoadException", cfg->exception_message);
4748 else if (cfg->exception_type == MONO_EXCEPTION_FILE_NOT_FOUND)
4749 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "FileNotFoundException", cfg->exception_message);
4750 else if (cfg->exception_type == MONO_EXCEPTION_BAD_IMAGE)
4751 ex = mono_get_exception_bad_image_format (cfg->exception_message);
4752 else
4753 g_assert_not_reached ();
4754 }
4755 }
4756 break;
4757 }
4758 case MONO_EXCEPTION_INVALID_PROGRAM:
4759 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "InvalidProgramException", cfg->exception_message);
4760 break;
4761 case MONO_EXCEPTION_UNVERIFIABLE_IL:
4762 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System.Security", "VerificationException", cfg->exception_message);
4763 break;
4764 case MONO_EXCEPTION_METHOD_ACCESS:
4765 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MethodAccessException", cfg->exception_message);
4766 break;
4767 case MONO_EXCEPTION_FIELD_ACCESS:
4768 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "FieldAccessException", cfg->exception_message);
4769 break;
4770 /* this can only be set if the security manager is active */
4771 case MONO_EXCEPTION_SECURITY_LINKDEMAND: {
4772 MonoSecurityManager* secman = mono_security_manager_get_methods ();
4773 MonoObject *exc = NULL;
4774 gpointer args [2];
4775
4776 args [0] = &cfg->exception_data;
4777 args [1] = &method;
4778 mono_runtime_invoke (secman->linkdemandsecurityexception, NULL, args, &exc);
4779
4780 ex = (MonoException*)exc;
4781 break;
4782 }
4783 case MONO_EXCEPTION_OBJECT_SUPPLIED: {
4784 MonoException *exp = cfg->exception_ptr;
4785 MONO_GC_UNREGISTER_ROOT (cfg->exception_ptr);
4786
4787 ex = exp;
4788 break;
4789 }
4790 default:
4791 g_assert_not_reached ();
4792 }
4793
4794 if (ex) {
4795 if (cfg->prof_options & MONO_PROFILE_JIT_COMPILATION)
4796 mono_profiler_method_end_jit (method, NULL, MONO_PROFILE_FAILED);
4797
4798 mono_destroy_compile (cfg);
4799 *jit_ex = ex;
4800
4801 return NULL;
4802 }
4803
4804 mono_loader_lock (); /*FIXME lookup_method_inner requires the loader lock*/
4805 mono_domain_lock (target_domain);
4806
4807 /* Check if some other thread already did the job. In this case, we can
4808 discard the code this thread generated. */
4809
4810 mono_domain_jit_code_hash_lock (target_domain);
4811
4812 info = lookup_method_inner (target_domain, method);
4813 if (info) {
4814 /* We can't use a domain specific method in another domain */
4815 if ((target_domain == mono_domain_get ()) || info->domain_neutral) {
4816 code = info->code_start;
4817 // printf("Discarding code for method %s\n", method->name);
4818 }
4819 }
4820
4821 if (code == NULL) {
4822 mono_internal_hash_table_insert (&target_domain->jit_code_hash, cfg->jit_info->method, cfg->jit_info);
4823 mono_domain_jit_code_hash_unlock (target_domain);
4824 code = cfg->native_code;
4825
4826 if (cfg->generic_sharing_context && mono_method_is_generic_sharable_impl (method, FALSE))
4827 mono_stats.generics_shared_methods++;
4828 } else {
4829 mono_domain_jit_code_hash_unlock (target_domain);
4830 }
4831
4832 jinfo = cfg->jit_info;
4833
4834 prof_options = cfg->prof_options;
4835
4836 mono_destroy_compile (cfg);
4837
4838 #ifndef DISABLE_JIT
4839 if (domain_jit_info (target_domain)->jump_target_hash) {
4840 MonoJumpInfo patch_info;
4841 GSList *list, *tmp;
4842 list = g_hash_table_lookup (domain_jit_info (target_domain)->jump_target_hash, method);
4843 if (list) {
4844 patch_info.next = NULL;
4845 patch_info.ip.i = 0;
4846 patch_info.type = MONO_PATCH_INFO_METHOD_JUMP;
4847 patch_info.data.method = method;
4848 g_hash_table_remove (domain_jit_info (target_domain)->jump_target_hash, method);
4849 }
4850 for (tmp = list; tmp; tmp = tmp->next)
4851 mono_arch_patch_code (NULL, target_domain, tmp->data, &patch_info, TRUE);
4852 g_slist_free (list);
4853 }
4854
4855 mono_emit_jit_map (jinfo);
4856 #endif
4857 mono_domain_unlock (target_domain);
4858 mono_loader_unlock ();
4859
4860 vtable = mono_class_vtable (target_domain, method->klass);
4861 if (!vtable) {
4862 MonoException *exc;
4863 exc = mono_class_get_exception_for_failure (method->klass);
4864 g_assert (exc);
4865 mono_raise_exception (exc);
4866 }
4867
4868 if (prof_options & MONO_PROFILE_JIT_COMPILATION) {
4869 if (method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) {
4870 if (mono_marshal_method_from_wrapper (method)) {
4871 /* Native func wrappers have no method */
4872 /* The profiler doesn't know about wrappers, so pass the original icall method */
4873 mono_profiler_method_end_jit (mono_marshal_method_from_wrapper (method), jinfo, MONO_PROFILE_OK);
4874 }
4875 } else {
4876 mono_profiler_method_end_jit (method, jinfo, MONO_PROFILE_OK);
4877 }
4878 }
4879
4880 mono_runtime_class_init (vtable);
4881 return code;
4882 }
4883
4884 static gpointer
4885 mono_jit_compile_method_with_opt (MonoMethod *method, guint32 opt, MonoException **ex)
4886 {
4887 MonoDomain *target_domain, *domain = mono_domain_get ();
4888 MonoJitInfo *info;
4889 gpointer code, p;
4890 MonoJitICallInfo *callinfo = NULL;
4891
4892 /*
4893 * ICALL wrappers are handled specially, since there is only one copy of them
4894 * shared by all appdomains.
4895 */
4896 if ((method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) && (strstr (method->name, "__icall_wrapper_") == method->name)) {
4897 const char *icall_name;
4898
4899 icall_name = method->name + strlen ("__icall_wrapper_");
4900 g_assert (icall_name);
4901 callinfo = mono_find_jit_icall_by_name (icall_name);
4902 g_assert (callinfo);
4903
4904 /* Must be domain neutral since there is only one copy */
4905 opt |= MONO_OPT_SHARED;
4906 }
4907
4908 if (opt & MONO_OPT_SHARED)
4909 target_domain = mono_get_root_domain ();
4910 else
4911 target_domain = domain;
4912
4913 info = lookup_method (target_domain, method);
4914 if (info) {
4915 /* We can't use a domain specific method in another domain */
4916 if (! ((domain != target_domain) && !info->domain_neutral)) {
4917 MonoVTable *vtable;
4918
4919 mono_jit_stats.methods_lookups++;
4920 vtable = mono_class_vtable (domain, method->klass);
4921 g_assert (vtable);
4922 mono_runtime_class_init (vtable);
4923 return mono_create_ftnptr (target_domain, info->code_start);
4924 }
4925 }
4926
4927 code = mono_jit_compile_method_inner (method, target_domain, opt, ex);
4928 if (!code)
4929 return NULL;
4930
4931 p = mono_create_ftnptr (target_domain, code);
4932
4933 if (callinfo) {
4934 mono_jit_lock ();
4935 if (!callinfo->wrapper) {
4936 callinfo->wrapper = p;
4937 mono_register_jit_icall_wrapper (callinfo, p);
4938 mono_debug_add_icall_wrapper (method, callinfo);
4939 }
4940 mono_jit_unlock ();
4941 }
4942
4943 return p;
4944 }
4945
4946 gpointer
4947 mono_jit_compile_method (MonoMethod *method)
4948 {
4949 MonoException *ex = NULL;
4950 gpointer code;
4951
4952 code = mono_jit_compile_method_with_opt (method, default_opt, &ex);
4953 if (!code) {
4954 g_assert (ex);
4955 mono_raise_exception (ex);
4956 }
4957
4958 return code;
4959 }
4960
4961 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
4962 static void
4963 invalidated_delegate_trampoline (char *desc)
4964 {
4965 g_error ("Unmanaged code called delegate of type %s which was already garbage collected.\n"
4966 "See http://www.go-mono.com/delegate.html for an explanation and ways to fix this.",
4967 desc);
4968 }
4969 #endif
4970
4971 /*
4972 * mono_jit_free_method:
4973 *
4974 * Free all memory allocated by the JIT for METHOD.
4975 */
4976 static void
4977 mono_jit_free_method (MonoDomain *domain, MonoMethod *method)
4978 {
4979 MonoJitDynamicMethodInfo *ji;
4980 gboolean destroy = TRUE;
4981
4982 g_assert (method->dynamic);
4983
4984 mono_domain_lock (domain);
4985 ji = mono_dynamic_code_hash_lookup (domain, method);
4986 mono_domain_unlock (domain);
4987
4988 if (!ji)
4989 return;
4990 mono_domain_lock (domain);
4991 g_hash_table_remove (domain_jit_info (domain)->dynamic_code_hash, method);
4992 mono_internal_hash_table_remove (&domain->jit_code_hash, method);
4993 g_hash_table_remove (domain_jit_info (domain)->jump_trampoline_hash, method);
4994 g_hash_table_remove (domain_jit_info (domain)->runtime_invoke_hash, method);
4995 mono_domain_unlock (domain);
4996
4997 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
4998 if (debug_options.keep_delegates && method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED) {
4999 /*
5000 * Instead of freeing the code, change it to call an error routine
5001 * so people can fix their code.
5002 */
5003 char *type = mono_type_full_name (&method->klass->byval_arg);
5004 char *type_and_method = g_strdup_printf ("%s.%s", type, method->name);
5005
5006 g_free (type);
5007 mono_arch_invalidate_method (ji->ji, invalidated_delegate_trampoline, type_and_method);
5008 destroy = FALSE;
5009 }
5010 #endif
5011
5012 /*
5013 * This needs to be done before freeing code_mp, since the code address is the
5014 * key in the table, so if we free the code_mp first, another thread can grab the
5015 * same code address and replace our entry in the table.
5016 */
5017 mono_jit_info_table_remove (domain, ji->ji);
5018
5019 if (destroy)
5020 mono_code_manager_destroy (ji->code_mp);
5021 g_free (ji);
5022 }
5023
5024 gpointer
5025 mono_jit_find_compiled_method_with_jit_info (MonoDomain *domain, MonoMethod *method, MonoJitInfo **ji)
5026 {
5027 MonoDomain *target_domain;
5028 MonoJitInfo *info;
5029
5030 if (default_opt & MONO_OPT_SHARED)
5031 target_domain = mono_get_root_domain ();
5032 else
5033 target_domain = domain;
5034
5035 info = lookup_method (target_domain, method);
5036 if (info) {
5037 /* We can't use a domain specific method in another domain */
5038 if (! ((domain != target_domain) && !info->domain_neutral)) {
5039 mono_jit_stats.methods_lookups++;
5040 if (ji)
5041 *ji = info;
5042 return info->code_start;
5043 }
5044 }
5045
5046 if (ji)
5047 *ji = NULL;
5048 return NULL;
5049 }
5050
5051 gpointer
5052 mono_jit_find_compiled_method (MonoDomain *domain, MonoMethod *method)
5053 {
5054 return mono_jit_find_compiled_method_with_jit_info (domain, method, NULL);
5055 }
5056
5057 typedef struct {
5058 MonoMethod *method;
5059 gpointer compiled_method;
5060 gpointer runtime_invoke;
5061 MonoVTable *vtable;
5062 MonoDynCallInfo *dyn_call_info;
5063 MonoClass *ret_box_class;
5064 } RuntimeInvokeInfo;
5065
5066 /**
5067 * mono_jit_runtime_invoke:
5068 * @method: the method to invoke
5069 * @obj: this pointer
5070 * @params: array of parameter values.
5071 * @exc: used to catch exceptions objects
5072 */
5073 static MonoObject*
5074 mono_jit_runtime_invoke (MonoMethod *method, void *obj, void **params, MonoObject **exc)
5075 {
5076 MonoMethod *invoke;
5077 MonoObject *(*runtime_invoke) (MonoObject *this, void **params, MonoObject **exc, void* compiled_method);
5078 MonoDomain *domain = mono_domain_get ();
5079 MonoJitDomainInfo *domain_info;
5080 RuntimeInvokeInfo *info, *info2;
5081
5082 if (obj == NULL && !(method->flags & METHOD_ATTRIBUTE_STATIC) && !method->string_ctor && (method->wrapper_type == 0)) {
5083 g_warning ("Ignoring invocation of an instance method on a NULL instance.\n");
5084 return NULL;
5085 }
5086
5087 domain_info = domain_jit_info (domain);
5088
5089 mono_domain_lock (domain);
5090 info = g_hash_table_lookup (domain_info->runtime_invoke_hash, method);
5091 mono_domain_unlock (domain);
5092
5093 if (!info) {
5094 if (mono_security_get_mode () == MONO_SECURITY_MODE_CORE_CLR) {
5095 /*
5096 * This might be redundant since mono_class_vtable () already does this,
5097 * but keep it just in case for moonlight.
5098 */
5099 mono_class_setup_vtable (method->klass);
5100 if (method->klass->exception_type != MONO_EXCEPTION_NONE) {
5101 if (exc)
5102 *exc = (MonoObject*)mono_class_get_exception_for_failure (method->klass);
5103 else
5104 mono_raise_exception (mono_class_get_exception_for_failure (method->klass));
5105 return NULL;
5106 }
5107 }
5108
5109 info = g_new0 (RuntimeInvokeInfo, 1);
5110
5111 invoke = mono_marshal_get_runtime_invoke (method, FALSE);
5112 info->vtable = mono_class_vtable_full (domain, method->klass, TRUE);
5113 g_assert (info->vtable);
5114
5115 if (method->klass->rank && (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
5116 (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)) {
5117 /*
5118 * Array Get/Set/Address methods. The JIT implements them using inline code
5119 * inside the runtime invoke wrappers, so no need to compile them.
5120 */
5121 info->compiled_method = NULL;
5122 } else {
5123 MonoException *jit_ex = NULL;
5124
5125 info->compiled_method = mono_jit_compile_method_with_opt (method, default_opt, &jit_ex);
5126 if (!info->compiled_method) {
5127 g_free (info);
5128 g_assert (jit_ex);
5129 if (exc) {
5130 *exc = (MonoObject*)jit_ex;
5131 return NULL;
5132 } else {
5133 mono_raise_exception (jit_ex);
5134 }
5135 }
5136
5137 if (mono_method_needs_static_rgctx_invoke (method, FALSE))
5138 info->compiled_method = mono_create_static_rgctx_trampoline (method, info->compiled_method);
5139 }
5140
5141 /*
5142 * We want to avoid AOTing 1000s of runtime-invoke wrappers when running
5143 * in full-aot mode, so we use a slower, but more generic wrapper if
5144 * possible, built on top of the OP_DYN_CALL opcode provided by the JIT.
5145 */
5146 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
5147 if (mono_aot_only || debug_options.dyn_runtime_invoke) {
5148 MonoMethodSignature *sig = mono_method_signature (method);
5149 gboolean supported = TRUE;
5150 int i;
5151
5152 if (method->string_ctor)
5153 sig = mono_marshal_get_string_ctor_signature (method);
5154
5155 for (i = 0; i < sig->param_count; ++i) {
5156 MonoType *t = sig->params [i];
5157
5158 if (t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t)))
5159 supported = FALSE;
5160 }
5161
5162 if (method->klass->contextbound || !info->compiled_method)
5163 supported = FALSE;
5164
5165 if (supported)
5166 info->dyn_call_info = mono_arch_dyn_call_prepare (sig);
5167
5168 if (info->dyn_call_info) {
5169 switch (sig->ret->type) {
5170 case MONO_TYPE_VOID:
5171 break;
5172 case MONO_TYPE_I1:
5173 case MONO_TYPE_U1:
5174 case MONO_TYPE_I2:
5175 case MONO_TYPE_U2:
5176 case MONO_TYPE_I4:
5177 case MONO_TYPE_U4:
5178 case MONO_TYPE_I:
5179 case MONO_TYPE_U:
5180 case MONO_TYPE_I8:
5181 case MONO_TYPE_U8:
5182 case MONO_TYPE_BOOLEAN:
5183 case MONO_TYPE_CHAR:
5184 case MONO_TYPE_R4:
5185 case MONO_TYPE_R8:
5186 info->ret_box_class = mono_class_from_mono_type (sig->ret);
5187 break;
5188 case MONO_TYPE_PTR:
5189 info->ret_box_class = mono_defaults.int_class;
5190 break;
5191 case MONO_TYPE_STRING:
5192 case MONO_TYPE_CLASS:
5193 case MONO_TYPE_ARRAY:
5194 case MONO_TYPE_SZARRAY:
5195 case MONO_TYPE_OBJECT:
5196 break;
5197 case MONO_TYPE_GENERICINST:
5198 if (!MONO_TYPE_IS_REFERENCE (sig->ret))
5199 info->ret_box_class = mono_class_from_mono_type (sig->ret);
5200 break;
5201 case MONO_TYPE_VALUETYPE:
5202 info->ret_box_class = mono_class_from_mono_type (sig->ret);
5203 break;
5204 default:
5205 g_assert_not_reached ();
5206 break;
5207 }
5208 }
5209 }
5210 #endif
5211
5212 if (!info->dyn_call_info)
5213 info->runtime_invoke = mono_jit_compile_method (invoke);
5214
5215 mono_domain_lock (domain);
5216 info2 = g_hash_table_lookup (domain_info->runtime_invoke_hash, method);
5217 if (info2) {
5218 g_free (info);
5219 info = info2;
5220 } else {
5221 g_hash_table_insert (domain_info->runtime_invoke_hash, method, info);
5222 }
5223 mono_domain_unlock (domain);
5224 }
5225
5226 runtime_invoke = info->runtime_invoke;
5227
5228 /*
5229 * We need this here because mono_marshal_get_runtime_invoke can place
5230 * the helper method in System.Object and not the target class.
5231 */
5232 mono_runtime_class_init (info->vtable);
5233
5234 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
5235 if (info->dyn_call_info) {
5236 MonoMethodSignature *sig = mono_method_signature (method);
5237 gpointer *args;
5238 static RuntimeInvokeDynamicFunction dyn_runtime_invoke;
5239 int i, pindex;
5240 guint8 buf [128];
5241 guint8 retval [128];
5242
5243 if (!dyn_runtime_invoke) {
5244 invoke = mono_marshal_get_runtime_invoke_dynamic ();
5245 dyn_runtime_invoke = mono_jit_compile_method (invoke);
5246 }
5247
5248 /* Convert the arguments to the format expected by start_dyn_call () */
5249 args = g_alloca ((sig->param_count + sig->hasthis) * sizeof (gpointer));
5250 pindex = 0;
5251 if (sig->hasthis)
5252 args [pindex ++] = &obj;
5253 for (i = 0; i < sig->param_count; ++i) {
5254 MonoType *t = sig->params [i];
5255
5256 if (t->byref) {
5257 args [pindex ++] = &params [i];
5258 } else if (MONO_TYPE_IS_REFERENCE (t) || t->type == MONO_TYPE_PTR) {
5259 args [pindex ++] = &params [i];
5260 } else {
5261 args [pindex ++] = params [i];
5262 }
5263 }
5264
5265 //printf ("M: %s\n", mono_method_full_name (method, TRUE));
5266
5267 mono_arch_start_dyn_call (info->dyn_call_info, (gpointer**)args, retval, buf, sizeof (buf));
5268
5269 dyn_runtime_invoke (buf, exc, info->compiled_method);
5270
5271 mono_arch_finish_dyn_call (info->dyn_call_info, buf);
5272
5273 if (info->ret_box_class)
5274 return mono_value_box (domain, info->ret_box_class, retval);
5275 else
5276 return *(MonoObject**)retval;
5277 }
5278 #endif
5279
5280 return runtime_invoke (obj, params, exc, info->compiled_method);
5281 }
5282
5283 void
5284 SIG_HANDLER_SIGNATURE (mono_sigfpe_signal_handler)
5285 {
5286 MonoException *exc = NULL;
5287 MonoJitInfo *ji;
5288 #if !(defined(MONO_ARCH_USE_SIGACTION) || defined(HOST_WIN32))
5289 void *info = NULL;
5290 #endif
5291 GET_CONTEXT;
5292
5293 ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context (ctx));
5294
5295 #if defined(MONO_ARCH_HAVE_IS_INT_OVERFLOW)
5296 if (mono_arch_is_int_overflow (ctx, info))
5297 exc = mono_get_exception_arithmetic ();
5298 else
5299 exc = mono_get_exception_divide_by_zero ();
5300 #else
5301 exc = mono_get_exception_divide_by_zero ();
5302 #endif
5303
5304 if (!ji) {
5305 if (mono_chain_signal (SIG_HANDLER_PARAMS))
5306 return;
5307
5308 mono_handle_native_sigsegv (SIGSEGV, ctx);
5309 }
5310
5311 mono_arch_handle_exception (ctx, exc, FALSE);
5312 }
5313
5314 void
5315 SIG_HANDLER_SIGNATURE (mono_sigill_signal_handler)
5316 {
5317 MonoException *exc;
5318 GET_CONTEXT;
5319
5320 exc = mono_get_exception_execution_engine ("SIGILL");
5321
5322 mono_arch_handle_exception (ctx, exc, FALSE);
5323 }
5324
5325 #if defined(MONO_ARCH_USE_SIGACTION) || defined(HOST_WIN32)
5326 #define HAVE_SIG_INFO
5327 #endif
5328
5329 void
5330 SIG_HANDLER_SIGNATURE (mono_sigsegv_signal_handler)
5331 {
5332 MonoJitInfo *ji;
5333 MonoJitTlsData *jit_tls = TlsGetValue (mono_jit_tls_id);
5334
5335 GET_CONTEXT;
5336
5337 #if defined(MONO_ARCH_SOFT_DEBUG_SUPPORTED) && defined(HAVE_SIG_INFO)
5338 if (mono_arch_is_single_step_event (info, ctx)) {
5339 mono_debugger_agent_single_step_event (ctx);
5340 return;
5341 } else if (mono_arch_is_breakpoint_event (info, ctx)) {
5342 mono_debugger_agent_breakpoint_hit (ctx);
5343 return;
5344 }
5345 #endif
5346
5347 #if !defined(HOST_WIN32) && defined(HAVE_SIG_INFO)
5348 if (mono_aot_is_pagefault (info->si_addr)) {
5349 mono_aot_handle_pagefault (info->si_addr);
5350 return;
5351 }
5352 #endif
5353
5354 /* The thread might no be registered with the runtime */
5355 if (!mono_domain_get () || !jit_tls) {
5356 if (mono_chain_signal (SIG_HANDLER_PARAMS))
5357 return;
5358 mono_handle_native_sigsegv (SIGSEGV, ctx);
5359 }
5360
5361 ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context (ctx));
5362
5363 #ifdef MONO_ARCH_SIGSEGV_ON_ALTSTACK
5364 if (mono_handle_soft_stack_ovf (jit_tls, ji, ctx, (guint8*)info->si_addr))
5365 return;
5366
5367 /* The hard-guard page has been hit: there is not much we can do anymore
5368 * Print a hopefully clear message and abort.
5369 */
5370 if (jit_tls->stack_size &&
5371 ABS ((guint8*)info->si_addr - ((guint8*)jit_tls->end_of_stack - jit_tls->stack_size)) < 32768) {
5372 const char *method;
5373 /* we don't do much now, but we can warn the user with a useful message */
5374 fprintf (stderr, "Stack overflow: IP: %p, fault addr: %p\n", mono_arch_ip_from_context (ctx), (gpointer)info->si_addr);
5375 if (ji && ji->method)
5376 method = mono_method_full_name (ji->method, TRUE);
5377 else
5378 method = "Unmanaged";
5379 fprintf (stderr, "At %s\n", method);
5380 _exit (1);
5381 } else {
5382 /* The original handler might not like that it is executed on an altstack... */
5383 if (!ji && mono_chain_signal (SIG_HANDLER_PARAMS))
5384 return;
5385
5386 mono_arch_handle_altstack_exception (ctx, info->si_addr, FALSE);
5387 }
5388 #else
5389
5390 if (!ji) {
5391 if (mono_chain_signal (SIG_HANDLER_PARAMS))
5392 return;
5393
5394 mono_handle_native_sigsegv (SIGSEGV, ctx);
5395 }
5396
5397 mono_arch_handle_exception (ctx, NULL, FALSE);
5398 #endif
5399 }
5400
5401 void
5402 SIG_HANDLER_SIGNATURE (mono_sigint_signal_handler)
5403 {
5404 MonoException *exc;
5405 GET_CONTEXT;
5406
5407 exc = mono_get_exception_execution_engine ("Interrupted (SIGINT).");
5408
5409 mono_arch_handle_exception (ctx, exc, FALSE);
5410 }
5411
5412 /* mono_jit_create_remoting_trampoline:
5413 * @method: pointer to the method info
5414 *
5415 * Creates a trampoline which calls the remoting functions. This
5416 * is used in the vtable of transparent proxies.
5417 *
5418 * Returns: a pointer to the newly created code
5419 */
5420 static gpointer
5421 mono_jit_create_remoting_trampoline (MonoDomain *domain, MonoMethod *method, MonoRemotingTarget target)
5422 {
5423 MonoMethod *nm;
5424 guint8 *addr = NULL;
5425
5426 if ((method->flags & METHOD_ATTRIBUTE_VIRTUAL) && mono_method_signature (method)->generic_param_count) {
5427 return mono_create_specific_trampoline (method, MONO_TRAMPOLINE_GENERIC_VIRTUAL_REMOTING,
5428 domain, NULL);
5429 }
5430
5431 if ((method->flags & METHOD_ATTRIBUTE_ABSTRACT) ||
5432 (mono_method_signature (method)->hasthis && (method->klass->marshalbyref || method->klass == mono_defaults.object_class))) {
5433 nm = mono_marshal_get_remoting_invoke_for_target (method, target);
5434 addr = mono_compile_method (nm);
5435 } else {
5436 addr = mono_compile_method (method);
5437 }
5438 return mono_get_addr_from_ftnptr (addr);
5439 }
5440
5441 #ifdef MONO_ARCH_HAVE_IMT
5442 static G_GNUC_UNUSED gpointer
5443 mini_get_imt_trampoline (void)
5444 {
5445 static gpointer tramp = NULL;
5446 if (!tramp)
5447 tramp = mono_create_specific_trampoline (MONO_FAKE_IMT_METHOD, MONO_TRAMPOLINE_JIT, mono_get_root_domain (), NULL);
5448 return tramp;
5449 }
5450 #endif
5451
5452 gpointer
5453 mini_get_vtable_trampoline (int slot_index)
5454 {
5455 static gpointer tramp = NULL;
5456
5457 if (!tramp)
5458 tramp = mono_create_specific_trampoline (MONO_FAKE_VTABLE_METHOD, MONO_TRAMPOLINE_JIT, mono_get_root_domain (), NULL);
5459 return tramp;
5460 }
5461
5462 static void
5463 mini_parse_debug_options (void)
5464 {
5465 char *options = getenv ("MONO_DEBUG");
5466 gchar **args, **ptr;
5467
5468 if (!options)
5469 return;
5470
5471 args = g_strsplit (options, ",", -1);
5472
5473 for (ptr = args; ptr && *ptr; ptr++) {
5474 const char *arg = *ptr;
5475
5476 if (!strcmp (arg, "handle-sigint"))
5477 debug_options.handle_sigint = TRUE;
5478 else if (!strcmp (arg, "keep-delegates"))
5479 debug_options.keep_delegates = TRUE;
5480 else if (!strcmp (arg, "collect-pagefault-stats"))
5481 debug_options.collect_pagefault_stats = TRUE;
5482 else if (!strcmp (arg, "break-on-unverified"))
5483 debug_options.break_on_unverified = TRUE;
5484 else if (!strcmp (arg, "no-gdb-backtrace"))
5485 debug_options.no_gdb_backtrace = TRUE;
5486 else if (!strcmp (arg, "suspend-on-sigsegv"))
5487 debug_options.suspend_on_sigsegv = TRUE;
5488 else if (!strcmp (arg, "dont-free-domains"))
5489 mono_dont_free_domains = TRUE;
5490 else if (!strcmp (arg, "dyn-runtime-invoke"))
5491 debug_options.dyn_runtime_invoke = TRUE;
5492 else if (!strcmp (arg, "gdb"))
5493 debug_options.gdb = TRUE;
5494 else if (!strcmp (arg, "explicit-null-checks"))
5495 debug_options.explicit_null_checks = TRUE;
5496 else if (!strcmp (arg, "gen-seq-points"))
5497 debug_options.gen_seq_points = TRUE;
5498 else if (!strcmp (arg, "init-stacks"))
5499 debug_options.init_stacks = TRUE;
5500 else {
5501 fprintf (stderr, "Invalid option for the MONO_DEBUG env variable: %s\n", arg);
5502 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', 'init-stacks'\n");
5503 exit (1);
5504 }
5505 }
5506
5507 g_strfreev (args);
5508 }
5509
5510 MonoDebugOptions *
5511 mini_get_debug_options (void)
5512 {
5513 return &debug_options;
5514 }
5515
5516 static gpointer
5517 mini_create_ftnptr (MonoDomain *domain, gpointer addr)
5518 {
5519 #ifdef __ia64__
5520 gpointer *desc;
5521
5522 desc = mono_domain_code_reserve (domain, 2 * sizeof (gpointer));
5523
5524 desc [0] = addr;
5525 desc [1] = NULL;
5526
5527 return desc;
5528 #elif defined(__ppc64__) || defined(__powerpc64__)
5529 gpointer *desc;
5530
5531 desc = mono_domain_alloc0 (domain, 3 * sizeof (gpointer));
5532
5533 desc [0] = addr;
5534 desc [1] = NULL;
5535 desc [2] = NULL;
5536
5537 return desc;
5538 #else
5539 return addr;
5540 #endif
5541 }
5542
5543 static gpointer
5544 mini_get_addr_from_ftnptr (gpointer descr)
5545 {
5546 #if defined(__ia64__) || defined(__ppc64__) || defined(__powerpc64__)
5547 return *(gpointer*)descr;
5548 #else
5549 return descr;
5550 #endif
5551 }
5552
5553 static void runtime_invoke_info_free (gpointer value);
5554
5555 static void
5556 mini_create_jit_domain_info (MonoDomain *domain)
5557 {
5558 MonoJitDomainInfo *info = g_new0 (MonoJitDomainInfo, 1);
5559
5560 info->class_init_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
5561 info->jump_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
5562 info->jit_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
5563 info->delegate_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
5564 info->llvm_vcall_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
5565 info->runtime_invoke_hash = g_hash_table_new_full (mono_aligned_addr_hash, NULL, NULL, runtime_invoke_info_free);
5566 info->seq_points = g_hash_table_new_full (mono_aligned_addr_hash, NULL, NULL, g_free);
5567 info->arch_seq_points = g_hash_table_new (mono_aligned_addr_hash, NULL);
5568
5569 domain->runtime_info = info;
5570 }
5571
5572 static void
5573 delete_jump_list (gpointer key, gpointer value, gpointer user_data)
5574 {
5575 g_slist_free (value);
5576 }
5577
5578 static void
5579 dynamic_method_info_free (gpointer key, gpointer value, gpointer user_data)
5580 {
5581 MonoJitDynamicMethodInfo *di = value;
5582 mono_code_manager_destroy (di->code_mp);
5583 g_free (di);
5584 }
5585
5586 static void
5587 runtime_invoke_info_free (gpointer value)
5588 {
5589 RuntimeInvokeInfo *info = (RuntimeInvokeInfo*)value;
5590
5591 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
5592 if (info->dyn_call_info)
5593 mono_arch_dyn_call_free (info->dyn_call_info);
5594 #endif
5595 g_free (info);
5596 }
5597
5598 static void
5599 mini_free_jit_domain_info (MonoDomain *domain)
5600 {
5601 MonoJitDomainInfo *info = domain_jit_info (domain);
5602
5603 if (info->jump_target_hash) {
5604 g_hash_table_foreach (info->jump_target_hash, delete_jump_list, NULL);
5605 g_hash_table_destroy (info->jump_target_hash);
5606 }
5607 if (info->jump_target_got_slot_hash) {
5608 g_hash_table_foreach (info->jump_target_got_slot_hash, delete_jump_list, NULL);
5609 g_hash_table_destroy (info->jump_target_got_slot_hash);
5610 }
5611 if (info->dynamic_code_hash) {
5612 g_hash_table_foreach (info->dynamic_code_hash, dynamic_method_info_free, NULL);
5613 g_hash_table_destroy (info->dynamic_code_hash);
5614 }
5615 if (info->method_code_hash)
5616 g_hash_table_destroy (info->method_code_hash);
5617 g_hash_table_destroy (info->class_init_trampoline_hash);
5618 g_hash_table_destroy (info->jump_trampoline_hash);
5619 g_hash_table_destroy (info->jit_trampoline_hash);
5620 g_hash_table_destroy (info->delegate_trampoline_hash);
5621 if (info->static_rgctx_trampoline_hash)
5622 g_hash_table_destroy (info->static_rgctx_trampoline_hash);
5623 g_hash_table_destroy (info->llvm_vcall_trampoline_hash);
5624 g_hash_table_destroy (info->runtime_invoke_hash);
5625 g_hash_table_destroy (info->seq_points);
5626 g_hash_table_destroy (info->arch_seq_points);
5627
5628 if (info->agent_info)
5629 mono_debugger_agent_free_domain_info (domain);
5630
5631 g_free (domain->runtime_info);
5632 domain->runtime_info = NULL;
5633 }
5634
5635 MonoDomain *
5636 mini_init (const char *filename, const char *runtime_version)
5637 {
5638 MonoDomain *domain;
5639 MonoRuntimeCallbacks callbacks;
5640
5641 MONO_PROBE_VES_INIT_BEGIN ();
5642
5643 #ifdef __linux__
5644 if (access ("/proc/self/maps", F_OK) != 0) {
5645 g_print ("Mono requires /proc to be mounted.\n");
5646 exit (1);
5647 }
5648 #endif
5649
5650 /* Happens when using the embedding interface */
5651 if (!default_opt_set)
5652 default_opt = mono_parse_default_optimizations (NULL);
5653
5654 InitializeCriticalSection (&jit_mutex);
5655
5656 #ifdef MONO_DEBUGGER_SUPPORTED
5657 if (mini_debug_running_inside_mdb ())
5658 mini_debugger_init ();
5659 #endif
5660
5661 #ifdef MONO_ARCH_HAVE_TLS_GET
5662 mono_runtime_set_has_tls_get (MONO_ARCH_HAVE_TLS_GET);
5663 #else
5664 mono_runtime_set_has_tls_get (FALSE);
5665 #endif
5666
5667 if (!global_codeman)
5668 global_codeman = mono_code_manager_new ();
5669 jit_icall_name_hash = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
5670
5671 memset (&callbacks, 0, sizeof (callbacks));
5672 callbacks.create_ftnptr = mini_create_ftnptr;
5673 callbacks.get_addr_from_ftnptr = mini_get_addr_from_ftnptr;
5674 callbacks.get_runtime_build_info = mono_get_runtime_build_info;
5675
5676 #ifdef MONO_ARCH_HAVE_IMT
5677 if (mono_use_imt) {
5678 if (!mono_use_llvm) {
5679 /* LLVM needs a per-method vtable trampoline */
5680 callbacks.get_vtable_trampoline = mini_get_vtable_trampoline;
5681 }
5682 }
5683 #endif
5684
5685 mono_install_callbacks (&callbacks);
5686
5687 mono_arch_cpu_init ();
5688
5689 mono_arch_init ();
5690
5691 mono_unwind_init ();
5692
5693 mini_gc_init ();
5694
5695 if (getenv ("MONO_DEBUG") != NULL)
5696 mini_parse_debug_options ();
5697
5698 if (getenv ("MONO_XDEBUG")) {
5699 char *xdebug_opts = getenv ("MONO_XDEBUG");
5700 mono_xdebug_init (xdebug_opts);
5701 /* So methods for multiple domains don't have the same address */
5702 mono_dont_free_domains = TRUE;
5703 mono_using_xdebug = TRUE;
5704 } else if (mini_get_debug_options ()->gdb) {
5705 mono_xdebug_init ((char*)"gdb");
5706 mono_dont_free_domains = TRUE;
5707 mono_using_xdebug = TRUE;
5708 }
5709
5710 #ifdef ENABLE_LLVM
5711 mono_llvm_init ();
5712 #endif
5713
5714 mono_trampolines_init ();
5715
5716 if (!g_thread_supported ())
5717 g_thread_init (NULL);
5718
5719 mono_jit_tls_id = TlsAlloc ();
5720 setup_jit_tls_data ((gpointer)-1, mono_thread_abort);
5721
5722 if (default_opt & MONO_OPT_AOT)
5723 mono_aot_init ();
5724
5725 mono_debugger_agent_init ();
5726
5727 #ifdef MONO_ARCH_GSHARED_SUPPORTED
5728 mono_set_generic_sharing_supported (TRUE);
5729 #endif
5730
5731 #ifndef MONO_CROSS_COMPILE
5732 mono_runtime_install_handlers ();
5733 #endif
5734 mono_threads_install_cleanup (mini_thread_cleanup);
5735
5736 #ifdef MONO_ARCH_HAVE_NOTIFY_PENDING_EXC
5737 // This is experimental code so provide an env var to switch it off
5738 if (getenv ("MONO_DISABLE_PENDING_EXCEPTIONS")) {
5739 printf ("MONO_DISABLE_PENDING_EXCEPTIONS env var set.\n");
5740 } else {
5741 check_for_pending_exc = FALSE;
5742 mono_threads_install_notify_pending_exc (mono_arch_notify_pending_exc);
5743 }
5744 #endif
5745
5746 #define JIT_TRAMPOLINES_WORK
5747 #ifdef JIT_TRAMPOLINES_WORK
5748 mono_install_compile_method (mono_jit_compile_method);
5749 mono_install_free_method (mono_jit_free_method);
5750 #ifdef MONO_ARCH_LLVM_SUPPORTED
5751 if (mono_use_llvm)
5752 /* The runtime currently only uses this for filling out vtables */
5753 mono_install_trampoline (mono_create_llvm_vcall_trampoline);
5754 else
5755 mono_install_trampoline (mono_create_jit_trampoline);
5756 #else
5757 mono_install_trampoline (mono_create_jit_trampoline);
5758 #endif
5759 mono_install_jump_trampoline (mono_create_jump_trampoline);
5760 mono_install_remoting_trampoline (mono_jit_create_remoting_trampoline);
5761 mono_install_delegate_trampoline (mono_create_delegate_trampoline);
5762 mono_install_create_domain_hook (mini_create_jit_domain_info);
5763 mono_install_free_domain_hook (mini_free_jit_domain_info);
5764 #endif
5765 #define JIT_INVOKE_WORKS
5766 #ifdef JIT_INVOKE_WORKS
5767 mono_install_runtime_invoke (mono_jit_runtime_invoke);
5768 #endif
5769 mono_install_stack_walk (mono_jit_walk_stack);
5770 mono_install_get_cached_class_info (mono_aot_get_cached_class_info);
5771 mono_install_get_class_from_name (mono_aot_get_class_from_name);
5772 mono_install_jit_info_find_in_aot (mono_aot_find_jit_info);
5773
5774 if (debug_options.collect_pagefault_stats) {
5775 mono_aot_set_make_unreadable (TRUE);
5776 }
5777
5778 if (runtime_version)
5779 domain = mono_init_version (filename, runtime_version);
5780 else
5781 domain = mono_init_from_assembly (filename, filename);
5782
5783 if (mono_aot_only) {
5784 /* This helps catch code allocation requests */
5785 mono_code_manager_set_read_only (domain->code_mp);
5786 }
5787
5788 #ifdef MONO_ARCH_HAVE_IMT
5789 if (mono_use_imt) {
5790 if (mono_aot_only)
5791 mono_install_imt_thunk_builder (mono_aot_get_imt_thunk);
5792 else
5793 mono_install_imt_thunk_builder (mono_arch_build_imt_thunk);
5794 if (!mono_use_llvm) {
5795 /*
5796 * The imt code in mono_magic_trampoline () can't handle LLVM code. By disabling
5797 * this, we force iface calls to go through the llvm vcall trampoline.
5798 */
5799 mono_install_imt_trampoline (mini_get_imt_trampoline ());
5800 }
5801 }
5802 #endif
5803
5804 /* This must come after mono_init () in the aot-only case */
5805 mono_exceptions_init ();
5806 mono_install_handler (mono_get_throw_exception ());
5807
5808 mono_icall_init ();
5809
5810 mono_add_internal_call ("System.Diagnostics.StackFrame::get_frame_info",
5811 ves_icall_get_frame_info);
5812 mono_add_internal_call ("System.Diagnostics.StackTrace::get_trace",
5813 ves_icall_get_trace);
5814 mono_add_internal_call ("System.Exception::get_trace",
5815 ves_icall_System_Exception_get_trace);
5816 mono_add_internal_call ("System.Security.SecurityFrame::_GetSecurityFrame",
5817 ves_icall_System_Security_SecurityFrame_GetSecurityFrame);
5818 mono_add_internal_call ("System.Security.SecurityFrame::_GetSecurityStack",
5819 ves_icall_System_Security_SecurityFrame_GetSecurityStack);
5820 mono_add_internal_call ("Mono.Runtime::mono_runtime_install_handlers",
5821 mono_runtime_install_handlers);
5822
5823
5824 create_helper_signature ();
5825
5826 #define JIT_CALLS_WORK
5827 #ifdef JIT_CALLS_WORK
5828 /* Needs to be called here since register_jit_icall depends on it */
5829 mono_marshal_init ();
5830
5831 mono_arch_register_lowlevel_calls ();
5832 register_icall (mono_profiler_method_enter, "mono_profiler_method_enter", NULL, TRUE);
5833 register_icall (mono_profiler_method_leave, "mono_profiler_method_leave", NULL, TRUE);
5834 register_icall (mono_trace_enter_method, "mono_trace_enter_method", NULL, TRUE);
5835 register_icall (mono_trace_leave_method, "mono_trace_leave_method", NULL, TRUE);
5836 register_icall (mono_get_lmf_addr, "mono_get_lmf_addr", "ptr", TRUE);
5837 register_icall (mono_jit_thread_attach, "mono_jit_thread_attach", "void", TRUE);
5838 register_icall (mono_domain_get, "mono_domain_get", "ptr", TRUE);
5839
5840 register_icall (mono_get_throw_exception (), "mono_arch_throw_exception", "void object", TRUE);
5841 register_icall (mono_get_rethrow_exception (), "mono_arch_rethrow_exception", "void object", TRUE);
5842 #ifdef MONO_ARCH_HAVE_THROW_EXCEPTION_BY_NAME
5843 register_icall (mono_get_throw_exception_by_name (), "mono_arch_throw_exception_by_name", "void ptr", TRUE);
5844 #endif
5845 #if MONO_ARCH_HAVE_THROW_CORLIB_EXCEPTION
5846 register_icall (mono_get_throw_corlib_exception (), "mono_arch_throw_corlib_exception",
5847 "void ptr", TRUE);
5848 #endif
5849 register_icall (mono_thread_get_undeniable_exception, "mono_thread_get_undeniable_exception", "object", FALSE);
5850 register_icall (mono_thread_interruption_checkpoint, "mono_thread_interruption_checkpoint", "void", FALSE);
5851 register_icall (mono_thread_force_interruption_checkpoint, "mono_thread_force_interruption_checkpoint", "void", FALSE);
5852 register_icall (mono_load_remote_field_new, "mono_load_remote_field_new", "object object ptr ptr", FALSE);
5853 register_icall (mono_store_remote_field_new, "mono_store_remote_field_new", "void object ptr ptr object", FALSE);
5854
5855 /*
5856 * NOTE, NOTE, NOTE, NOTE:
5857 * when adding emulation for some opcodes, remember to also add a dummy
5858 * rule to the burg files, because we need the arity information to be correct.
5859 */
5860 #ifndef MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS
5861 mono_register_opcode_emulation (OP_LMUL, "__emul_lmul", "long long long", mono_llmult, TRUE);
5862 mono_register_opcode_emulation (OP_LDIV, "__emul_ldiv", "long long long", mono_lldiv, FALSE);
5863 mono_register_opcode_emulation (OP_LDIV_UN, "__emul_ldiv_un", "long long long", mono_lldiv_un, FALSE);
5864 mono_register_opcode_emulation (OP_LREM, "__emul_lrem", "long long long", mono_llrem, FALSE);
5865 mono_register_opcode_emulation (OP_LREM_UN, "__emul_lrem_un", "long long long", mono_llrem_un, FALSE);
5866 mono_register_opcode_emulation (OP_LMUL_OVF_UN, "__emul_lmul_ovf_un", "long long long", mono_llmult_ovf_un, FALSE);
5867 mono_register_opcode_emulation (OP_LMUL_OVF, "__emul_lmul_ovf", "long long long", mono_llmult_ovf, FALSE);
5868 #endif
5869
5870 #ifndef MONO_ARCH_NO_EMULATE_LONG_SHIFT_OPS
5871 mono_register_opcode_emulation (OP_LSHL, "__emul_lshl", "long long int32", mono_lshl, TRUE);
5872 mono_register_opcode_emulation (OP_LSHR, "__emul_lshr", "long long int32", mono_lshr, TRUE);
5873 mono_register_opcode_emulation (OP_LSHR_UN, "__emul_lshr_un", "long long int32", mono_lshr_un, TRUE);
5874 #endif
5875
5876 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_DIV)
5877 mono_register_opcode_emulation (CEE_DIV, "__emul_idiv", "int32 int32 int32", mono_idiv, FALSE);
5878 mono_register_opcode_emulation (CEE_DIV_UN, "__emul_idiv_un", "int32 int32 int32", mono_idiv_un, FALSE);
5879 mono_register_opcode_emulation (CEE_REM, "__emul_irem", "int32 int32 int32", mono_irem, FALSE);
5880 mono_register_opcode_emulation (CEE_REM_UN, "__emul_irem_un", "int32 int32 int32", mono_irem_un, FALSE);
5881 mono_register_opcode_emulation (OP_IDIV, "__emul_op_idiv", "int32 int32 int32", mono_idiv, FALSE);
5882 mono_register_opcode_emulation (OP_IDIV_UN, "__emul_op_idiv_un", "int32 int32 int32", mono_idiv_un, FALSE);
5883 mono_register_opcode_emulation (OP_IREM, "__emul_op_irem", "int32 int32 int32", mono_irem, FALSE);
5884 mono_register_opcode_emulation (OP_IREM_UN, "__emul_op_irem_un", "int32 int32 int32", mono_irem_un, FALSE);
5885 #endif
5886
5887 #ifdef MONO_ARCH_EMULATE_MUL_DIV
5888 mono_register_opcode_emulation (CEE_MUL, "__emul_imul", "int32 int32 int32", mono_imul, TRUE);
5889 mono_register_opcode_emulation (OP_IMUL, "__emul_op_imul", "int32 int32 int32", mono_imul, TRUE);
5890 #endif
5891
5892 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_MUL_OVF)
5893 mono_register_opcode_emulation (CEE_MUL_OVF, "__emul_imul_ovf", "int32 int32 int32", mono_imul_ovf, FALSE);
5894 mono_register_opcode_emulation (CEE_MUL_OVF_UN, "__emul_imul_ovf_un", "int32 int32 int32", mono_imul_ovf_un, FALSE);
5895 mono_register_opcode_emulation (OP_IMUL_OVF, "__emul_op_imul_ovf", "int32 int32 int32", mono_imul_ovf, FALSE);
5896 mono_register_opcode_emulation (OP_IMUL_OVF_UN, "__emul_op_imul_ovf_un", "int32 int32 int32", mono_imul_ovf_un, FALSE);
5897 #endif
5898
5899 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_SOFT_FLOAT)
5900 mono_register_opcode_emulation (OP_FDIV, "__emul_fdiv", "double double double", mono_fdiv, FALSE);
5901 #endif
5902
5903 mono_register_opcode_emulation (OP_FCONV_TO_U8, "__emul_fconv_to_u8", "ulong double", mono_fconv_u8, FALSE);
5904 mono_register_opcode_emulation (OP_FCONV_TO_U4, "__emul_fconv_to_u4", "uint32 double", mono_fconv_u4, FALSE);
5905 mono_register_opcode_emulation (OP_FCONV_TO_OVF_I8, "__emul_fconv_to_ovf_i8", "long double", mono_fconv_ovf_i8, FALSE);
5906 mono_register_opcode_emulation (OP_FCONV_TO_OVF_U8, "__emul_fconv_to_ovf_u8", "ulong double", mono_fconv_ovf_u8, FALSE);
5907
5908 #ifdef MONO_ARCH_EMULATE_FCONV_TO_I8
5909 mono_register_opcode_emulation (OP_FCONV_TO_I8, "__emul_fconv_to_i8", "long double", mono_fconv_i8, FALSE);
5910 #endif
5911 #ifdef MONO_ARCH_EMULATE_CONV_R8_UN
5912 mono_register_opcode_emulation (CEE_CONV_R_UN, "__emul_conv_r_un", "double int32", mono_conv_to_r8_un, FALSE);
5913 mono_register_opcode_emulation (OP_ICONV_TO_R_UN, "__emul_iconv_to_r_un", "double int32", mono_conv_to_r8_un, FALSE);
5914 #endif
5915 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8
5916 mono_register_opcode_emulation (OP_LCONV_TO_R8, "__emul_lconv_to_r8", "double long", mono_lconv_to_r8, FALSE);
5917 #endif
5918 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R4
5919 mono_register_opcode_emulation (OP_LCONV_TO_R4, "__emul_lconv_to_r4", "float long", mono_lconv_to_r4, FALSE);
5920 #endif
5921 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8_UN
5922 mono_register_opcode_emulation (OP_LCONV_TO_R_UN, "__emul_lconv_to_r8_un", "double long", mono_lconv_to_r8_un, FALSE);
5923 #endif
5924 #ifdef MONO_ARCH_EMULATE_FREM
5925 mono_register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", fmod, FALSE);
5926 #endif
5927
5928 #ifdef MONO_ARCH_SOFT_FLOAT
5929 mono_register_opcode_emulation (OP_FSUB, "__emul_fsub", "double double double", mono_fsub, FALSE);
5930 mono_register_opcode_emulation (OP_FADD, "__emul_fadd", "double double double", mono_fadd, FALSE);
5931 mono_register_opcode_emulation (OP_FMUL, "__emul_fmul", "double double double", mono_fmul, FALSE);
5932 mono_register_opcode_emulation (OP_FNEG, "__emul_fneg", "double double", mono_fneg, FALSE);
5933 mono_register_opcode_emulation (CEE_CONV_R8, "__emul_conv_r8", "double int32", mono_conv_to_r8, FALSE);
5934 mono_register_opcode_emulation (OP_ICONV_TO_R8, "__emul_iconv_to_r8", "double int32", mono_conv_to_r8, FALSE);
5935 mono_register_opcode_emulation (CEE_CONV_R4, "__emul_conv_r4", "double int32", mono_conv_to_r4, FALSE);
5936 mono_register_opcode_emulation (OP_ICONV_TO_R4, "__emul_iconv_to_r4", "double int32", mono_conv_to_r4, FALSE);
5937 mono_register_opcode_emulation (OP_FCONV_TO_R4, "__emul_fconv_to_r4", "double double", mono_fconv_r4, FALSE);
5938 mono_register_opcode_emulation (OP_FCONV_TO_I1, "__emul_fconv_to_i1", "int8 double", mono_fconv_i1, FALSE);
5939 mono_register_opcode_emulation (OP_FCONV_TO_I2, "__emul_fconv_to_i2", "int16 double", mono_fconv_i2, FALSE);
5940 mono_register_opcode_emulation (OP_FCONV_TO_I4, "__emul_fconv_to_i4", "int32 double", mono_fconv_i4, FALSE);
5941 mono_register_opcode_emulation (OP_FCONV_TO_U1, "__emul_fconv_to_u1", "uint8 double", mono_fconv_u1, FALSE);
5942 mono_register_opcode_emulation (OP_FCONV_TO_U2, "__emul_fconv_to_u2", "uint16 double", mono_fconv_u2, FALSE);
5943 #if SIZEOF_VOID_P == 4
5944 mono_register_opcode_emulation (OP_FCONV_TO_I, "__emul_fconv_to_i", "int32 double", mono_fconv_i4, FALSE);
5945 #endif
5946
5947 mono_register_opcode_emulation (OP_FBEQ, "__emul_fcmp_eq", "uint32 double double", mono_fcmp_eq, FALSE);
5948 mono_register_opcode_emulation (OP_FBLT, "__emul_fcmp_lt", "uint32 double double", mono_fcmp_lt, FALSE);
5949 mono_register_opcode_emulation (OP_FBGT, "__emul_fcmp_gt", "uint32 double double", mono_fcmp_gt, FALSE);
5950 mono_register_opcode_emulation (OP_FBLE, "__emul_fcmp_le", "uint32 double double", mono_fcmp_le, FALSE);
5951 mono_register_opcode_emulation (OP_FBGE, "__emul_fcmp_ge", "uint32 double double", mono_fcmp_ge, FALSE);
5952 mono_register_opcode_emulation (OP_FBNE_UN, "__emul_fcmp_ne_un", "uint32 double double", mono_fcmp_ne_un, FALSE);
5953 mono_register_opcode_emulation (OP_FBLT_UN, "__emul_fcmp_lt_un", "uint32 double double", mono_fcmp_lt_un, FALSE);
5954 mono_register_opcode_emulation (OP_FBGT_UN, "__emul_fcmp_gt_un", "uint32 double double", mono_fcmp_gt_un, FALSE);
5955 mono_register_opcode_emulation (OP_FBLE_UN, "__emul_fcmp_le_un", "uint32 double double", mono_fcmp_le_un, FALSE);
5956 mono_register_opcode_emulation (OP_FBGE_UN, "__emul_fcmp_ge_un", "uint32 double double", mono_fcmp_ge_un, FALSE);
5957
5958 mono_register_opcode_emulation (OP_FCEQ, "__emul_fcmp_ceq", "uint32 double double", mono_fceq, FALSE);
5959 mono_register_opcode_emulation (OP_FCGT, "__emul_fcmp_cgt", "uint32 double double", mono_fcgt, FALSE);
5960 mono_register_opcode_emulation (OP_FCGT_UN, "__emul_fcmp_cgt_un", "uint32 double double", mono_fcgt_un, FALSE);
5961 mono_register_opcode_emulation (OP_FCLT, "__emul_fcmp_clt", "uint32 double double", mono_fclt, FALSE);
5962 mono_register_opcode_emulation (OP_FCLT_UN, "__emul_fcmp_clt_un", "uint32 double double", mono_fclt_un, FALSE);
5963
5964 register_icall (mono_fload_r4, "mono_fload_r4", "double ptr", FALSE);
5965 register_icall (mono_fstore_r4, "mono_fstore_r4", "void double ptr", FALSE);
5966 register_icall (mono_fload_r4_arg, "mono_fload_r4_arg", "uint32 double", FALSE);
5967 register_icall (mono_isfinite, "mono_isfinite", "uint32 double", FALSE);
5968 #endif
5969
5970 #ifdef COMPRESSED_INTERFACE_BITMAP
5971 register_icall (mono_class_interface_match, "mono_class_interface_match", "uint32 ptr int32", TRUE);
5972 #endif
5973
5974 #if SIZEOF_REGISTER == 4
5975 mono_register_opcode_emulation (OP_FCONV_TO_U, "__emul_fconv_to_u", "uint32 double", mono_fconv_u4, TRUE);
5976 #endif
5977
5978 /* other jit icalls */
5979 register_icall (mono_delegate_ctor, "mono_delegate_ctor", "void object object ptr", FALSE);
5980 register_icall (mono_class_static_field_address , "mono_class_static_field_address",
5981 "ptr ptr ptr", FALSE);
5982 register_icall (mono_ldtoken_wrapper, "mono_ldtoken_wrapper", "ptr ptr ptr ptr", FALSE);
5983 register_icall (mono_ldtoken_wrapper_generic_shared, "mono_ldtoken_wrapper_generic_shared",
5984 "ptr ptr ptr ptr", FALSE);
5985 register_icall (mono_get_special_static_data, "mono_get_special_static_data", "ptr int", FALSE);
5986 register_icall (mono_ldstr, "mono_ldstr", "object ptr ptr int32", FALSE);
5987 register_icall (mono_helper_stelem_ref_check, "helper_stelem_ref_check", "void object object", FALSE);
5988 register_icall (mono_object_new, "mono_object_new", "object ptr ptr", FALSE);
5989 register_icall (mono_object_new_specific, "mono_object_new_specific", "object ptr", FALSE);
5990 register_icall (mono_array_new, "mono_array_new", "object ptr ptr int32", FALSE);
5991 register_icall (mono_array_new_specific, "mono_array_new_specific", "object ptr int32", FALSE);
5992 register_icall (mono_runtime_class_init, "mono_runtime_class_init", "void ptr", FALSE);
5993 register_icall (mono_ldftn, "mono_ldftn", "ptr ptr", FALSE);
5994 register_icall (mono_ldvirtfn, "mono_ldvirtfn", "ptr object ptr", FALSE);
5995 register_icall (mono_ldvirtfn_gshared, "mono_ldvirtfn_gshared", "ptr object ptr", FALSE);
5996 register_icall (mono_helper_compile_generic_method, "compile_generic_method", "ptr object ptr ptr", FALSE);
5997 register_icall (mono_helper_ldstr, "helper_ldstr", "object ptr int", FALSE);
5998 register_icall (mono_helper_ldstr_mscorlib, "helper_ldstr_mscorlib", "object int", FALSE);
5999 register_icall (mono_helper_newobj_mscorlib, "helper_newobj_mscorlib", "object int", FALSE);
6000 register_icall (mono_value_copy, "mono_value_copy", "void ptr ptr ptr", FALSE);
6001 register_icall (mono_object_castclass, "mono_object_castclass", "object object ptr", FALSE);
6002 register_icall (mono_break, "mono_break", NULL, TRUE);
6003 register_icall (mono_create_corlib_exception_0, "mono_create_corlib_exception_0", "object int", TRUE);
6004 register_icall (mono_create_corlib_exception_1, "mono_create_corlib_exception_1", "object int object", TRUE);
6005 register_icall (mono_create_corlib_exception_2, "mono_create_corlib_exception_2", "object int object object", TRUE);
6006 register_icall (mono_array_new_1, "mono_array_new_1", "object ptr int", FALSE);
6007 register_icall (mono_array_new_2, "mono_array_new_2", "object ptr int int", FALSE);
6008 register_icall (mono_array_new_3, "mono_array_new_3", "object ptr int int int", FALSE);
6009 register_icall (mono_get_native_calli_wrapper, "mono_get_native_calli_wrapper", "ptr ptr ptr ptr", FALSE);
6010 #endif
6011
6012 mono_generic_sharing_init ();
6013
6014 #ifdef MONO_ARCH_SIMD_INTRINSICS
6015 mono_simd_intrinsics_init ();
6016 #endif
6017
6018 #if MONO_SUPPORT_TASKLETS
6019 mono_tasklets_init ();
6020 #endif
6021
6022 if (mono_compile_aot)
6023 /*
6024 * Avoid running managed code when AOT compiling, since the platform
6025 * might only support aot-only execution.
6026 */
6027 mono_runtime_set_no_exec (TRUE);
6028
6029 #define JIT_RUNTIME_WORKS
6030 #ifdef JIT_RUNTIME_WORKS
6031 mono_install_runtime_cleanup ((MonoDomainFunc)mini_cleanup);
6032 mono_runtime_init (domain, mono_thread_start_cb, mono_thread_attach_cb);
6033 mono_thread_attach (domain);
6034 #endif
6035
6036 mono_profiler_runtime_initialized ();
6037
6038 MONO_PROBE_VES_INIT_END ();
6039
6040 return domain;
6041 }
6042
6043 MonoJitStats mono_jit_stats = {0};
6044
6045 static void
6046 print_jit_stats (void)
6047 {
6048 if (mono_jit_stats.enabled) {
6049 g_print ("Mono Jit statistics\n");
6050 g_print ("Compiled methods: %ld\n", mono_jit_stats.methods_compiled);
6051 g_print ("Methods from AOT: %ld\n", mono_jit_stats.methods_aot);
6052 g_print ("Methods cache lookup: %ld\n", mono_jit_stats.methods_lookups);
6053 g_print ("Method trampolines: %ld\n", mono_jit_stats.method_trampolines);
6054 g_print ("Basic blocks: %ld\n", mono_jit_stats.basic_blocks);
6055 g_print ("Max basic blocks: %ld\n", mono_jit_stats.max_basic_blocks);
6056 g_print ("Allocated vars: %ld\n", mono_jit_stats.allocate_var);
6057 g_print ("Compiled CIL code size: %ld\n", mono_jit_stats.cil_code_size);
6058 g_print ("Native code size: %ld\n", mono_jit_stats.native_code_size);
6059 g_print ("Max code size ratio: %.2f (%s)\n", mono_jit_stats.max_code_size_ratio/100.0,
6060 mono_jit_stats.max_ratio_method);
6061 g_print ("Biggest method: %ld (%s)\n", mono_jit_stats.biggest_method_size,
6062 mono_jit_stats.biggest_method);
6063 g_print ("Code reallocs: %ld\n", mono_jit_stats.code_reallocs);
6064 g_print ("Allocated code size: %ld\n", mono_jit_stats.allocated_code_size);
6065 g_print ("Inlineable methods: %ld\n", mono_jit_stats.inlineable_methods);
6066 g_print ("Inlined methods: %ld\n", mono_jit_stats.inlined_methods);
6067 g_print ("Regvars: %ld\n", mono_jit_stats.regvars);
6068 g_print ("Locals stack size: %ld\n", mono_jit_stats.locals_stack_size);
6069
6070 g_print ("\nCreated object count: %ld\n", mono_stats.new_object_count);
6071 g_print ("Delegates created: %ld\n", mono_stats.delegate_creations);
6072 g_print ("Initialized classes: %ld\n", mono_stats.initialized_class_count);
6073 g_print ("Used classes: %ld\n", mono_stats.used_class_count);
6074 g_print ("Generic vtables: %ld\n", mono_stats.generic_vtable_count);
6075 g_print ("Methods: %ld\n", mono_stats.method_count);
6076 g_print ("Static data size: %ld\n", mono_stats.class_static_data_size);
6077 g_print ("VTable data size: %ld\n", mono_stats.class_vtable_size);
6078 g_print ("Mscorlib mempool size: %d\n", mono_mempool_get_allocated (mono_defaults.corlib->mempool));
6079
6080 g_print ("\nInitialized classes: %ld\n", mono_stats.generic_class_count);
6081 g_print ("Inflated types: %ld\n", mono_stats.inflated_type_count);
6082 g_print ("Generics virtual invokes: %ld\n", mono_jit_stats.generic_virtual_invocations);
6083
6084 g_print ("Sharable generic methods: %ld\n", mono_stats.generics_sharable_methods);
6085 g_print ("Unsharable generic methods: %ld\n", mono_stats.generics_unsharable_methods);
6086 g_print ("Shared generic methods: %ld\n", mono_stats.generics_shared_methods);
6087
6088 g_print ("Dynamic code allocs: %ld\n", mono_stats.dynamic_code_alloc_count);
6089 g_print ("Dynamic code bytes: %ld\n", mono_stats.dynamic_code_bytes_count);
6090 g_print ("Dynamic code frees: %ld\n", mono_stats.dynamic_code_frees_count);
6091
6092 g_print ("IMT tables size: %ld\n", mono_stats.imt_tables_size);
6093 g_print ("IMT number of tables: %ld\n", mono_stats.imt_number_of_tables);
6094 g_print ("IMT number of methods: %ld\n", mono_stats.imt_number_of_methods);
6095 g_print ("IMT used slots: %ld\n", mono_stats.imt_used_slots);
6096 g_print ("IMT colliding slots: %ld\n", mono_stats.imt_slots_with_collisions);
6097 g_print ("IMT max collisions: %ld\n", mono_stats.imt_max_collisions_in_slot);
6098 g_print ("IMT methods at max col: %ld\n", mono_stats.imt_method_count_when_max_collisions);
6099 g_print ("IMT thunks size: %ld\n", mono_stats.imt_thunks_size);
6100
6101 g_print ("JIT info table inserts: %ld\n", mono_stats.jit_info_table_insert_count);
6102 g_print ("JIT info table removes: %ld\n", mono_stats.jit_info_table_remove_count);
6103 g_print ("JIT info table lookups: %ld\n", mono_stats.jit_info_table_lookup_count);
6104
6105 g_print ("Hazardous pointers: %ld\n", mono_stats.hazardous_pointer_count);
6106 #ifdef HAVE_SGEN_GC
6107 g_print ("Minor GC collections: %ld\n", mono_stats.minor_gc_count);
6108 #endif
6109 g_print ("Major GC collections: %ld\n", mono_stats.major_gc_count);
6110 #ifdef HAVE_SGEN_GC
6111 g_print ("Minor GC time in msecs: %lf\n", (double)mono_stats.minor_gc_time_usecs / 1000.0);
6112 #endif
6113 g_print ("Major GC time in msecs: %lf\n", (double)mono_stats.major_gc_time_usecs / 1000.0);
6114 if (mono_security_get_mode () == MONO_SECURITY_MODE_CAS) {
6115 g_print ("\nDecl security check : %ld\n", mono_jit_stats.cas_declsec_check);
6116 g_print ("LinkDemand (user) : %ld\n", mono_jit_stats.cas_linkdemand);
6117 g_print ("LinkDemand (icall) : %ld\n", mono_jit_stats.cas_linkdemand_icall);
6118 g_print ("LinkDemand (pinvoke) : %ld\n", mono_jit_stats.cas_linkdemand_pinvoke);
6119 g_print ("LinkDemand (aptc) : %ld\n", mono_jit_stats.cas_linkdemand_aptc);
6120 g_print ("Demand (code gen) : %ld\n", mono_jit_stats.cas_demand_generation);
6121 }
6122
6123 g_free (mono_jit_stats.max_ratio_method);
6124 mono_jit_stats.max_ratio_method = NULL;
6125 g_free (mono_jit_stats.biggest_method);
6126 mono_jit_stats.biggest_method = NULL;
6127 }
6128 }
6129
6130 void
6131 mini_cleanup (MonoDomain *domain)
6132 {
6133 mono_runtime_shutdown_stat_profiler ();
6134
6135 #ifndef DISABLE_COM
6136 cominterop_release_all_rcws ();
6137 #endif
6138
6139 #ifndef MONO_CROSS_COMPILE
6140 /*
6141 * mono_runtime_cleanup() and mono_domain_finalize () need to
6142 * be called early since they need the execution engine still
6143 * fully working (mono_domain_finalize may invoke managed finalizers
6144 * and mono_runtime_cleanup will wait for other threads to finish).
6145 */
6146 mono_domain_finalize (domain, 2000);
6147 #endif
6148
6149 /* This accesses metadata so needs to be called before runtime shutdown */
6150 print_jit_stats ();
6151
6152 mono_profiler_shutdown ();
6153
6154 #ifndef MONO_CROSS_COMPILE
6155 mono_runtime_cleanup (domain);
6156 #endif
6157
6158 mono_icall_cleanup ();
6159
6160 mono_runtime_cleanup_handlers ();
6161
6162 mono_domain_free (domain, TRUE);
6163
6164 mono_debugger_cleanup ();
6165
6166 #ifdef ENABLE_LLVM
6167 mono_llvm_cleanup ();
6168 #endif
6169
6170 mono_trampolines_cleanup ();
6171
6172 mono_unwind_cleanup ();
6173
6174 if (!mono_dont_free_global_codeman)
6175 mono_code_manager_destroy (global_codeman);
6176 g_hash_table_destroy (jit_icall_name_hash);
6177 g_free (emul_opcode_map);
6178 g_free (emul_opcode_opcodes);
6179
6180 mono_arch_cleanup ();
6181
6182 mono_cleanup ();
6183
6184 mono_trace_cleanup ();
6185
6186 mono_counters_dump (-1, stdout);
6187
6188 if (mono_inject_async_exc_method)
6189 mono_method_desc_free (mono_inject_async_exc_method);
6190
6191 TlsFree(mono_jit_tls_id);
6192
6193 DeleteCriticalSection (&jit_mutex);
6194
6195 DeleteCriticalSection (&mono_delegate_section);
6196 }
6197
6198 void
6199 mono_set_defaults (int verbose_level, guint32 opts)
6200 {
6201 mini_verbose = verbose_level;
6202 default_opt = opts;
6203 default_opt_set = TRUE;
6204 }
6205
6206 void
6207 mono_disable_optimizations (guint32 opts)
6208 {
6209 default_opt &= ~opts;
6210 }
6211
6212 /*
6213 * mono_get_runtime_build_info:
6214 *
6215 * Return the runtime version + build date in string format.
6216 * The returned string is owned by the caller.
6217 */
6218 char*
6219 mono_get_runtime_build_info (void)
6220 {
6221 if (mono_build_date)
6222 return g_strdup_printf ("%s (%s %s)", VERSION, FULL_VERSION, mono_build_date);
6223 else
6224 return g_strdup_printf ("%s (%s)", VERSION, FULL_VERSION);
6225 }
6226
6227 static void
6228 mono_precompile_assembly (MonoAssembly *ass, void *user_data)
6229 {
6230 GHashTable *assemblies = (GHashTable*)user_data;
6231 MonoImage *image = mono_assembly_get_image (ass);
6232 MonoMethod *method, *invoke;
6233 int i, count = 0;
6234
6235 if (g_hash_table_lookup (assemblies, ass))
6236 return;
6237
6238 g_hash_table_insert (assemblies, ass, ass);
6239
6240 if (mini_verbose > 0)
6241 printf ("PRECOMPILE: %s.\n", mono_image_get_filename (image));
6242
6243 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_METHOD); ++i) {
6244 method = mono_get_method (image, MONO_TOKEN_METHOD_DEF | (i + 1), NULL);
6245 if (method->flags & METHOD_ATTRIBUTE_ABSTRACT)
6246 continue;
6247
6248 count++;
6249 if (mini_verbose > 1) {
6250 char * desc = mono_method_full_name (method, TRUE);
6251 g_print ("Compiling %d %s\n", count, desc);
6252 g_free (desc);
6253 }
6254 mono_compile_method (method);
6255 if (strcmp (method->name, "Finalize") == 0) {
6256 invoke = mono_marshal_get_runtime_invoke (method, FALSE);
6257 mono_compile_method (invoke);
6258 }
6259 if (method->klass->marshalbyref && mono_method_signature (method)->hasthis) {
6260 invoke = mono_marshal_get_remoting_invoke_with_check (method);
6261 mono_compile_method (invoke);
6262 }
6263 }
6264
6265 /* Load and precompile referenced assemblies as well */
6266 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_ASSEMBLYREF); ++i) {
6267 mono_assembly_load_reference (image, i);
6268 if (image->references [i])
6269 mono_precompile_assembly (image->references [i], assemblies);
6270 }
6271 }
6272
6273 void mono_precompile_assemblies ()
6274 {
6275 GHashTable *assemblies = g_hash_table_new (NULL, NULL);
6276
6277 mono_assembly_foreach ((GFunc)mono_precompile_assembly, assemblies);
6278
6279 g_hash_table_destroy (assemblies);
6280 }
6281
6282 #ifndef DISABLE_JIT
6283
6284 void*
6285 mono_arch_instrument_epilog (MonoCompile *cfg, void *func, void *p, gboolean enable_arguments) {
6286 return mono_arch_instrument_epilog_full (cfg, func, p, enable_arguments, FALSE);
6287 }
6288
6289 void
6290 mono_cfg_add_try_hole (MonoCompile *cfg, MonoExceptionClause *clause, guint8 *start, MonoBasicBlock *bb)
6291 {
6292 TryBlockHole *hole = mono_mempool_alloc (cfg->mempool, sizeof (TryBlockHole));
6293 hole->clause = clause;
6294 hole->start_offset = start - cfg->native_code;
6295 hole->basic_block = bb;
6296
6297 cfg->try_block_holes = g_slist_append_mempool (cfg->mempool, cfg->try_block_holes, hole);
6298 }
6299
6300 #endif
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