2 * domain.c: MonoDomain functions
5 * Dietmar Maurer (dietmar@ximian.com)
8 * Copyright 2001-2003 Ximian, Inc (http://www.ximian.com)
9 * Copyright 2004-2009 Novell, Inc (http://www.novell.com)
17 #include <mono/metadata/gc-internal.h>
19 #include <mono/utils/mono-compiler.h>
20 #include <mono/utils/mono-logger.h>
21 #include <mono/utils/mono-membar.h>
22 #include <mono/utils/mono-counters.h>
23 #include <mono/metadata/object.h>
24 #include <mono/metadata/object-internals.h>
25 #include <mono/metadata/domain-internals.h>
26 #include <mono/metadata/class-internals.h>
27 #include <mono/metadata/assembly.h>
28 #include <mono/metadata/exception.h>
29 #include <mono/metadata/metadata-internals.h>
30 #include <mono/metadata/gc-internal.h>
31 #include <mono/metadata/appdomain.h>
32 #include <mono/metadata/mono-debug-debugger.h>
33 #include <mono/metadata/mono-config.h>
34 #include <mono/metadata/threads-types.h>
35 #include <metadata/threads.h>
36 #include <metadata/profiler-private.h>
37 #include <mono/metadata/coree.h>
39 /* #define DEBUG_DOMAIN_UNLOAD */
41 /* we need to use both the Tls* functions and __thread because
42 * some archs may generate faster jit code with one meachanism
43 * or the other (we used to do it because tls slots were GC-tracked,
44 * but we can't depend on this).
46 static guint32 appdomain_thread_id = -1;
49 * Avoid calling TlsSetValue () if possible, since in the io-layer, it acquires
50 * a global lock (!) so it is a contention point.
52 #if (defined(__i386__) || defined(__x86_64__)) && !defined(PLATFORM_WIN32)
53 #define NO_TLS_SET_VALUE
58 static __thread MonoDomain * tls_appdomain MONO_TLS_FAST;
60 #define GET_APPDOMAIN() tls_appdomain
62 #ifdef NO_TLS_SET_VALUE
63 #define SET_APPDOMAIN(x) do { \
67 #define SET_APPDOMAIN(x) do { \
69 TlsSetValue (appdomain_thread_id, x); \
73 #else /* !HAVE_KW_THREAD */
75 #define GET_APPDOMAIN() ((MonoDomain *)TlsGetValue (appdomain_thread_id))
76 #define SET_APPDOMAIN(x) TlsSetValue (appdomain_thread_id, x);
80 #define GET_APPCONTEXT() (mono_thread_current ()->current_appcontext)
81 #define SET_APPCONTEXT(x) MONO_OBJECT_SETREF (mono_thread_current (), current_appcontext, (x))
83 static guint16 appdomain_list_size = 0;
84 static guint16 appdomain_next = 0;
85 static MonoDomain **appdomains_list = NULL;
86 static MonoImage *exe_image;
88 gboolean mono_dont_free_domains;
90 #define mono_appdomains_lock() EnterCriticalSection (&appdomains_mutex)
91 #define mono_appdomains_unlock() LeaveCriticalSection (&appdomains_mutex)
92 static CRITICAL_SECTION appdomains_mutex;
94 static MonoDomain *mono_root_domain = NULL;
97 static int max_domain_code_size = 0;
98 static int max_domain_code_alloc = 0;
99 static int total_domain_code_alloc = 0;
101 /* AppConfigInfo: Information about runtime versions supported by an
105 GSList *supported_runtimes;
106 char *required_runtime;
107 int configuration_count;
112 * AotModuleInfo: Contains information about AOT modules.
119 static const MonoRuntimeInfo *current_runtime = NULL;
121 static MonoJitInfoFindInAot jit_info_find_in_aot_func = NULL;
124 * Contains information about AOT loaded code.
126 static MonoAotModuleInfoTable *aot_modules = NULL;
128 /* This is the list of runtime versions supported by this JIT.
130 static const MonoRuntimeInfo supported_runtimes[] = {
131 {"v1.0.3705", "1.0", { {1,0,5000,0}, {7,0,5000,0} } },
132 {"v1.1.4322", "1.0", { {1,0,5000,0}, {7,0,5000,0} } },
133 {"v2.0.50215","2.0", { {2,0,0,0}, {8,0,0,0} } },
134 {"v2.0.50727","2.0", { {2,0,0,0}, {8,0,0,0} } },
135 {"v4.0.20506","4.0", { {4,0,0,0}, {10,0,0,0} } },
136 {"moonlight", "2.1", { {2,0,5,0}, {9,0,0,0} } },
140 /* The stable runtime version */
141 #define DEFAULT_RUNTIME_VERSION "v1.1.4322"
143 /* Callbacks installed by the JIT */
144 static MonoCreateDomainFunc create_domain_hook;
145 static MonoFreeDomainFunc free_domain_hook;
147 /* This is intentionally not in the header file, so people don't misuse it. */
148 extern void _mono_debug_init_corlib (MonoDomain *domain);
151 get_runtimes_from_exe (const char *exe_file, MonoImage **exe_image, const MonoRuntimeInfo** runtimes);
153 static const MonoRuntimeInfo*
154 get_runtime_by_version (const char *version);
157 mono_jit_info_find_aot_module (guint8* addr);
160 mono_domain_get_tls_key (void)
162 #ifdef NO_TLS_SET_VALUE
163 g_assert_not_reached ();
166 return appdomain_thread_id;
171 mono_domain_get_tls_offset (void)
174 MONO_THREAD_VAR_OFFSET (tls_appdomain, offset);
175 /* __asm ("jmp 1f; .section writetext, \"awx\"; 1: movl $tls_appdomain@ntpoff, %0; jmp 2f; .previous; 2:"
180 #define JIT_INFO_TABLE_FILL_RATIO_NOM 3
181 #define JIT_INFO_TABLE_FILL_RATIO_DENOM 4
182 #define JIT_INFO_TABLE_FILLED_NUM_ELEMENTS (MONO_JIT_INFO_TABLE_CHUNK_SIZE * JIT_INFO_TABLE_FILL_RATIO_NOM / JIT_INFO_TABLE_FILL_RATIO_DENOM)
184 #define JIT_INFO_TABLE_LOW_WATERMARK(n) ((n) / 2)
185 #define JIT_INFO_TABLE_HIGH_WATERMARK(n) ((n) * 5 / 6)
187 #define JIT_INFO_TOMBSTONE_MARKER ((MonoMethod*)NULL)
188 #define IS_JIT_INFO_TOMBSTONE(ji) ((ji)->method == JIT_INFO_TOMBSTONE_MARKER)
190 #define JIT_INFO_TABLE_HAZARD_INDEX 0
191 #define JIT_INFO_HAZARD_INDEX 1
194 jit_info_table_num_elements (MonoJitInfoTable *table)
197 int num_elements = 0;
199 for (i = 0; i < table->num_chunks; ++i) {
200 MonoJitInfoTableChunk *chunk = table->chunks [i];
201 int chunk_num_elements = chunk->num_elements;
204 for (j = 0; j < chunk_num_elements; ++j) {
205 if (!IS_JIT_INFO_TOMBSTONE (chunk->data [j]))
213 static MonoJitInfoTableChunk*
214 jit_info_table_new_chunk (void)
216 MonoJitInfoTableChunk *chunk = g_new0 (MonoJitInfoTableChunk, 1);
222 static MonoJitInfoTable *
223 jit_info_table_new (MonoDomain *domain)
225 MonoJitInfoTable *table = g_malloc0 (sizeof (MonoJitInfoTable) + sizeof (MonoJitInfoTableChunk*));
227 table->domain = domain;
228 table->num_chunks = 1;
229 table->chunks [0] = jit_info_table_new_chunk ();
235 jit_info_table_free (MonoJitInfoTable *table)
238 int num_chunks = table->num_chunks;
239 MonoDomain *domain = table->domain;
241 mono_domain_lock (domain);
243 table->domain->num_jit_info_tables--;
244 if (table->domain->num_jit_info_tables <= 1) {
247 for (list = table->domain->jit_info_free_queue; list; list = list->next)
250 g_slist_free (table->domain->jit_info_free_queue);
251 table->domain->jit_info_free_queue = NULL;
254 /* At this point we assume that there are no other threads
255 still accessing the table, so we don't have to worry about
256 hazardous pointers. */
258 for (i = 0; i < num_chunks; ++i) {
259 MonoJitInfoTableChunk *chunk = table->chunks [i];
263 if (--chunk->refcount > 0)
266 num_elements = chunk->num_elements;
267 for (j = 0; j < num_elements; ++j) {
268 MonoJitInfo *ji = chunk->data [j];
270 if (IS_JIT_INFO_TOMBSTONE (ji))
277 mono_domain_unlock (domain);
282 /* Can be called with hp==NULL, in which case it acts as an ordinary
283 pointer fetch. It's used that way indirectly from
284 mono_jit_info_table_add(), which doesn't have to care about hazards
285 because it holds the respective domain lock. */
287 get_hazardous_pointer (gpointer volatile *pp, MonoThreadHazardPointers *hp, int hazard_index)
292 /* Get the pointer */
294 /* If we don't have hazard pointers just return the
298 /* Make it hazardous */
299 mono_hazard_pointer_set (hp, hazard_index, p);
300 /* Check that it's still the same. If not, try
303 mono_hazard_pointer_clear (hp, hazard_index);
312 /* The jit_info_table is sorted in ascending order by the end
313 * addresses of the compiled methods. The reason why we have to do
314 * this is that once we introduce tombstones, it becomes possible for
315 * code ranges to overlap, and if we sort by code start and insert at
316 * the back of the table, we cannot guarantee that we won't overlook
319 * There are actually two possible ways to do the sorting and
320 * inserting which work with our lock-free mechanism:
322 * 1. Sort by start address and insert at the front. When looking for
323 * an entry, find the last one with a start address lower than the one
324 * you're looking for, then work your way to the front of the table.
326 * 2. Sort by end address and insert at the back. When looking for an
327 * entry, find the first one with an end address higher than the one
328 * you're looking for, then work your way to the end of the table.
330 * We chose the latter out of convenience.
333 jit_info_table_index (MonoJitInfoTable *table, gint8 *addr)
335 int left = 0, right = table->num_chunks;
337 g_assert (left < right);
340 int pos = (left + right) / 2;
341 MonoJitInfoTableChunk *chunk = table->chunks [pos];
343 if (addr < chunk->last_code_end)
347 } while (left < right);
348 g_assert (left == right);
350 if (left >= table->num_chunks)
351 return table->num_chunks - 1;
356 jit_info_table_chunk_index (MonoJitInfoTableChunk *chunk, MonoThreadHazardPointers *hp, gint8 *addr)
358 int left = 0, right = chunk->num_elements;
360 while (left < right) {
361 int pos = (left + right) / 2;
362 MonoJitInfo *ji = get_hazardous_pointer((gpointer volatile*)&chunk->data [pos], hp, JIT_INFO_HAZARD_INDEX);
363 gint8 *code_end = (gint8*)ji->code_start + ji->code_size;
370 g_assert (left == right);
376 mono_jit_info_table_find (MonoDomain *domain, char *addr)
378 MonoJitInfoTable *table;
381 MonoThreadHazardPointers *hp = mono_hazard_pointer_get ();
383 ++mono_stats.jit_info_table_lookup_count;
385 /* First we have to get the domain's jit_info_table. This is
386 complicated by the fact that a writer might substitute a
387 new table and free the old one. What the writer guarantees
388 us is that it looks at the hazard pointers after it has
389 changed the jit_info_table pointer. So, if we guard the
390 table by a hazard pointer and make sure that the pointer is
391 still there after we've made it hazardous, we don't have to
392 worry about the writer freeing the table. */
393 table = get_hazardous_pointer ((gpointer volatile*)&domain->jit_info_table, hp, JIT_INFO_TABLE_HAZARD_INDEX);
395 chunk_pos = jit_info_table_index (table, (gint8*)addr);
396 g_assert (chunk_pos < table->num_chunks);
398 pos = jit_info_table_chunk_index (table->chunks [chunk_pos], hp, (gint8*)addr);
400 /* We now have a position that's very close to that of the
401 first element whose end address is higher than the one
402 we're looking for. If we don't have the exact position,
403 then we have a position below that one, so we'll just
404 search upward until we find our element. */
406 MonoJitInfoTableChunk *chunk = table->chunks [chunk_pos];
408 while (pos < chunk->num_elements) {
409 ji = get_hazardous_pointer ((gpointer volatile*)&chunk->data [pos], hp, JIT_INFO_HAZARD_INDEX);
413 if (IS_JIT_INFO_TOMBSTONE (ji)) {
414 mono_hazard_pointer_clear (hp, JIT_INFO_HAZARD_INDEX);
417 if ((gint8*)addr >= (gint8*)ji->code_start
418 && (gint8*)addr < (gint8*)ji->code_start + ji->code_size) {
419 mono_hazard_pointer_clear (hp, JIT_INFO_TABLE_HAZARD_INDEX);
420 mono_hazard_pointer_clear (hp, JIT_INFO_HAZARD_INDEX);
424 /* If we find a non-tombstone element which is already
425 beyond what we're looking for, we have to end the
427 if ((gint8*)addr < (gint8*)ji->code_start)
433 } while (chunk_pos < table->num_chunks);
436 mono_hazard_pointer_clear (hp, JIT_INFO_TABLE_HAZARD_INDEX);
437 mono_hazard_pointer_clear (hp, JIT_INFO_HAZARD_INDEX);
439 /* maybe it is shared code, so we also search in the root domain */
441 if (domain != mono_root_domain)
442 ji = mono_jit_info_table_find (mono_root_domain, addr);
445 /* Maybe its an AOT module */
446 MonoImage *image = mono_jit_info_find_aot_module ((guint8*)addr);
448 ji = jit_info_find_in_aot_func (domain, image, addr);
454 static G_GNUC_UNUSED void
455 jit_info_table_check (MonoJitInfoTable *table)
459 for (i = 0; i < table->num_chunks; ++i) {
460 MonoJitInfoTableChunk *chunk = table->chunks [i];
463 g_assert (chunk->refcount > 0 /* && chunk->refcount <= 8 */);
464 if (chunk->refcount > 10)
465 printf("warning: chunk refcount is %d\n", chunk->refcount);
466 g_assert (chunk->num_elements <= MONO_JIT_INFO_TABLE_CHUNK_SIZE);
468 for (j = 0; j < chunk->num_elements; ++j) {
469 MonoJitInfo *this = chunk->data [j];
472 g_assert ((gint8*)this->code_start + this->code_size <= chunk->last_code_end);
474 if (j < chunk->num_elements - 1)
475 next = chunk->data [j + 1];
476 else if (i < table->num_chunks - 1) {
479 for (k = i + 1; k < table->num_chunks; ++k)
480 if (table->chunks [k]->num_elements > 0)
483 if (k >= table->num_chunks)
486 g_assert (table->chunks [k]->num_elements > 0);
487 next = table->chunks [k]->data [0];
491 g_assert ((gint8*)this->code_start + this->code_size <= (gint8*)next->code_start + next->code_size);
496 static MonoJitInfoTable*
497 jit_info_table_realloc (MonoJitInfoTable *old)
500 int num_elements = jit_info_table_num_elements (old);
503 int new_chunk, new_element;
504 MonoJitInfoTable *new;
506 /* number of needed places for elements needed */
507 required_size = (int)((long)num_elements * JIT_INFO_TABLE_FILL_RATIO_DENOM / JIT_INFO_TABLE_FILL_RATIO_NOM);
508 num_chunks = (required_size + MONO_JIT_INFO_TABLE_CHUNK_SIZE - 1) / MONO_JIT_INFO_TABLE_CHUNK_SIZE;
510 new = g_malloc (sizeof (MonoJitInfoTable) + sizeof (MonoJitInfoTableChunk*) * num_chunks);
511 new->domain = old->domain;
512 new->num_chunks = num_chunks;
514 for (i = 0; i < num_chunks; ++i)
515 new->chunks [i] = jit_info_table_new_chunk ();
519 for (i = 0; i < old->num_chunks; ++i) {
520 MonoJitInfoTableChunk *chunk = old->chunks [i];
521 int chunk_num_elements = chunk->num_elements;
524 for (j = 0; j < chunk_num_elements; ++j) {
525 if (!IS_JIT_INFO_TOMBSTONE (chunk->data [j])) {
526 g_assert (new_chunk < num_chunks);
527 new->chunks [new_chunk]->data [new_element] = chunk->data [j];
528 if (++new_element >= JIT_INFO_TABLE_FILLED_NUM_ELEMENTS) {
529 new->chunks [new_chunk]->num_elements = new_element;
537 if (new_chunk < num_chunks) {
538 g_assert (new_chunk == num_chunks - 1);
539 new->chunks [new_chunk]->num_elements = new_element;
540 g_assert (new->chunks [new_chunk]->num_elements > 0);
543 for (i = 0; i < num_chunks; ++i) {
544 MonoJitInfoTableChunk *chunk = new->chunks [i];
545 MonoJitInfo *ji = chunk->data [chunk->num_elements - 1];
547 new->chunks [i]->last_code_end = (gint8*)ji->code_start + ji->code_size;
554 jit_info_table_split_chunk (MonoJitInfoTableChunk *chunk, MonoJitInfoTableChunk **new1p, MonoJitInfoTableChunk **new2p)
556 MonoJitInfoTableChunk *new1 = jit_info_table_new_chunk ();
557 MonoJitInfoTableChunk *new2 = jit_info_table_new_chunk ();
559 g_assert (chunk->num_elements == MONO_JIT_INFO_TABLE_CHUNK_SIZE);
561 new1->num_elements = MONO_JIT_INFO_TABLE_CHUNK_SIZE / 2;
562 new2->num_elements = MONO_JIT_INFO_TABLE_CHUNK_SIZE - new1->num_elements;
564 memcpy ((void*)new1->data, (void*)chunk->data, sizeof (MonoJitInfo*) * new1->num_elements);
565 memcpy ((void*)new2->data, (void*)(chunk->data + new1->num_elements), sizeof (MonoJitInfo*) * new2->num_elements);
567 new1->last_code_end = (gint8*)new1->data [new1->num_elements - 1]->code_start
568 + new1->data [new1->num_elements - 1]->code_size;
569 new2->last_code_end = (gint8*)new2->data [new2->num_elements - 1]->code_start
570 + new2->data [new2->num_elements - 1]->code_size;
576 static MonoJitInfoTable*
577 jit_info_table_copy_and_split_chunk (MonoJitInfoTable *table, MonoJitInfoTableChunk *chunk)
579 MonoJitInfoTable *new_table = g_malloc (sizeof (MonoJitInfoTable)
580 + sizeof (MonoJitInfoTableChunk*) * (table->num_chunks + 1));
583 new_table->domain = table->domain;
584 new_table->num_chunks = table->num_chunks + 1;
587 for (i = 0; i < table->num_chunks; ++i) {
588 if (table->chunks [i] == chunk) {
589 jit_info_table_split_chunk (chunk, &new_table->chunks [j], &new_table->chunks [j + 1]);
592 new_table->chunks [j] = table->chunks [i];
593 ++new_table->chunks [j]->refcount;
598 g_assert (j == new_table->num_chunks);
603 static MonoJitInfoTableChunk*
604 jit_info_table_purify_chunk (MonoJitInfoTableChunk *old)
606 MonoJitInfoTableChunk *new = jit_info_table_new_chunk ();
610 for (i = 0; i < old->num_elements; ++i) {
611 if (!IS_JIT_INFO_TOMBSTONE (old->data [i]))
612 new->data [j++] = old->data [i];
615 new->num_elements = j;
616 if (new->num_elements > 0)
617 new->last_code_end = (gint8*)new->data [j - 1]->code_start + new->data [j - 1]->code_size;
619 new->last_code_end = old->last_code_end;
624 static MonoJitInfoTable*
625 jit_info_table_copy_and_purify_chunk (MonoJitInfoTable *table, MonoJitInfoTableChunk *chunk)
627 MonoJitInfoTable *new_table = g_malloc (sizeof (MonoJitInfoTable)
628 + sizeof (MonoJitInfoTableChunk*) * table->num_chunks);
631 new_table->domain = table->domain;
632 new_table->num_chunks = table->num_chunks;
635 for (i = 0; i < table->num_chunks; ++i) {
636 if (table->chunks [i] == chunk)
637 new_table->chunks [j++] = jit_info_table_purify_chunk (table->chunks [i]);
639 new_table->chunks [j] = table->chunks [i];
640 ++new_table->chunks [j]->refcount;
645 g_assert (j == new_table->num_chunks);
650 /* As we add an element to the table the case can arise that the chunk
651 * to which we need to add is already full. In that case we have to
652 * allocate a new table and do something about that chunk. We have
653 * several strategies:
655 * If the number of elements in the table is below the low watermark
656 * or above the high watermark, we reallocate the whole table.
657 * Otherwise we only concern ourselves with the overflowing chunk:
659 * If there are no tombstones in the chunk then we split the chunk in
660 * two, each half full.
662 * If the chunk does contain tombstones, we just make a new copy of
663 * the chunk without the tombstones, which will have room for at least
664 * the one element we have to add.
666 static MonoJitInfoTable*
667 jit_info_table_chunk_overflow (MonoJitInfoTable *table, MonoJitInfoTableChunk *chunk)
669 int num_elements = jit_info_table_num_elements (table);
672 if (num_elements < JIT_INFO_TABLE_LOW_WATERMARK (table->num_chunks * MONO_JIT_INFO_TABLE_CHUNK_SIZE)
673 || num_elements > JIT_INFO_TABLE_HIGH_WATERMARK (table->num_chunks * MONO_JIT_INFO_TABLE_CHUNK_SIZE)) {
674 //printf ("reallocing table\n");
675 return jit_info_table_realloc (table);
678 /* count the number of non-tombstone elements in the chunk */
680 for (i = 0; i < chunk->num_elements; ++i) {
681 if (!IS_JIT_INFO_TOMBSTONE (chunk->data [i]))
685 if (num_elements == MONO_JIT_INFO_TABLE_CHUNK_SIZE) {
686 //printf ("splitting chunk\n");
687 return jit_info_table_copy_and_split_chunk (table, chunk);
690 //printf ("purifying chunk\n");
691 return jit_info_table_copy_and_purify_chunk (table, chunk);
694 /* We add elements to the table by first making space for them by
695 * shifting the elements at the back to the right, one at a time.
696 * This results in duplicate entries during the process, but during
697 * all the time the table is in a sorted state. Also, when an element
698 * is replaced by another one, the element that replaces it has an end
699 * address that is equal to or lower than that of the replaced
700 * element. That property is necessary to guarantee that when
701 * searching for an element we end up at a position not higher than
702 * the one we're looking for (i.e. we either find the element directly
703 * or we end up to the left of it).
706 mono_jit_info_table_add (MonoDomain *domain, MonoJitInfo *ji)
708 MonoJitInfoTable *table;
710 MonoJitInfoTableChunk *chunk;
714 g_assert (ji->method != NULL);
716 mono_domain_lock (domain);
718 ++mono_stats.jit_info_table_insert_count;
720 table = domain->jit_info_table;
723 chunk_pos = jit_info_table_index (table, (gint8*)ji->code_start + ji->code_size);
724 g_assert (chunk_pos < table->num_chunks);
725 chunk = table->chunks [chunk_pos];
727 if (chunk->num_elements >= MONO_JIT_INFO_TABLE_CHUNK_SIZE) {
728 MonoJitInfoTable *new_table = jit_info_table_chunk_overflow (table, chunk);
730 /* Debugging code, should be removed. */
731 //jit_info_table_check (new_table);
733 domain->jit_info_table = new_table;
734 mono_memory_barrier ();
735 domain->num_jit_info_tables++;
736 mono_thread_hazardous_free_or_queue (table, (MonoHazardousFreeFunc)jit_info_table_free);
742 /* Debugging code, should be removed. */
743 //jit_info_table_check (table);
745 num_elements = chunk->num_elements;
747 pos = jit_info_table_chunk_index (chunk, NULL, (gint8*)ji->code_start + ji->code_size);
749 /* First we need to size up the chunk by one, by copying the
750 last item, or inserting the first one, if the table is
752 if (num_elements > 0)
753 chunk->data [num_elements] = chunk->data [num_elements - 1];
755 chunk->data [0] = ji;
756 mono_memory_write_barrier ();
757 chunk->num_elements = ++num_elements;
759 /* Shift the elements up one by one. */
760 for (i = num_elements - 2; i >= pos; --i) {
761 mono_memory_write_barrier ();
762 chunk->data [i + 1] = chunk->data [i];
765 /* Now we have room and can insert the new item. */
766 mono_memory_write_barrier ();
767 chunk->data [pos] = ji;
769 /* Set the high code end address chunk entry. */
770 chunk->last_code_end = (gint8*)chunk->data [chunk->num_elements - 1]->code_start
771 + chunk->data [chunk->num_elements - 1]->code_size;
773 /* Debugging code, should be removed. */
774 //jit_info_table_check (table);
776 mono_domain_unlock (domain);
780 mono_jit_info_make_tombstone (MonoJitInfo *ji)
782 MonoJitInfo *tombstone = g_new0 (MonoJitInfo, 1);
784 tombstone->code_start = ji->code_start;
785 tombstone->code_size = ji->code_size;
786 tombstone->method = JIT_INFO_TOMBSTONE_MARKER;
792 * LOCKING: domain lock
795 mono_jit_info_free_or_queue (MonoDomain *domain, MonoJitInfo *ji)
797 if (domain->num_jit_info_tables <= 1) {
798 /* Can it actually happen that we only have one table
799 but ji is still hazardous? */
800 mono_thread_hazardous_free_or_queue (ji, g_free);
802 domain->jit_info_free_queue = g_slist_prepend (domain->jit_info_free_queue, ji);
807 mono_jit_info_table_remove (MonoDomain *domain, MonoJitInfo *ji)
809 MonoJitInfoTable *table;
810 MonoJitInfoTableChunk *chunk;
811 gpointer start = ji->code_start;
814 mono_domain_lock (domain);
815 table = domain->jit_info_table;
817 ++mono_stats.jit_info_table_remove_count;
819 chunk_pos = jit_info_table_index (table, start);
820 g_assert (chunk_pos < table->num_chunks);
822 pos = jit_info_table_chunk_index (table->chunks [chunk_pos], NULL, start);
825 chunk = table->chunks [chunk_pos];
827 while (pos < chunk->num_elements) {
828 if (chunk->data [pos] == ji)
831 g_assert (IS_JIT_INFO_TOMBSTONE (chunk->data [pos]));
832 g_assert ((guint8*)chunk->data [pos]->code_start + chunk->data [pos]->code_size
833 <= (guint8*)ji->code_start + ji->code_size);
840 } while (chunk_pos < table->num_chunks);
843 g_assert (chunk->data [pos] == ji);
845 chunk->data [pos] = mono_jit_info_make_tombstone (ji);
847 /* Debugging code, should be removed. */
848 //jit_info_table_check (table);
850 mono_jit_info_free_or_queue (domain, ji);
852 mono_domain_unlock (domain);
855 static MonoAotModuleInfoTable*
856 mono_aot_module_info_table_new (void)
858 return g_array_new (FALSE, FALSE, sizeof (gpointer));
862 aot_info_table_index (MonoAotModuleInfoTable *table, char *addr)
864 int left = 0, right = table->len;
866 while (left < right) {
867 int pos = (left + right) / 2;
868 AotModuleInfo *ainfo = g_array_index (table, gpointer, pos);
869 char *start = ainfo->start;
870 char *end = ainfo->end;
874 else if (addr >= end)
884 mono_jit_info_add_aot_module (MonoImage *image, gpointer start, gpointer end)
886 AotModuleInfo *ainfo = g_new0 (AotModuleInfo, 1);
889 ainfo->image = image;
890 ainfo->start = start;
893 mono_appdomains_lock ();
896 aot_modules = mono_aot_module_info_table_new ();
898 pos = aot_info_table_index (aot_modules, start);
900 g_array_insert_val (aot_modules, pos, ainfo);
902 mono_appdomains_unlock ();
906 mono_jit_info_find_aot_module (guint8* addr)
908 guint left = 0, right;
913 mono_appdomains_lock ();
915 right = aot_modules->len;
916 while (left < right) {
917 guint pos = (left + right) / 2;
918 AotModuleInfo *ai = g_array_index (aot_modules, gpointer, pos);
920 if (addr < (guint8*)ai->start)
922 else if (addr >= (guint8*)ai->end)
925 mono_appdomains_unlock ();
930 mono_appdomains_unlock ();
936 mono_install_jit_info_find_in_aot (MonoJitInfoFindInAot func)
938 jit_info_find_in_aot_func = func;
942 mono_jit_info_get_code_start (MonoJitInfo* ji)
944 return ji->code_start;
948 mono_jit_info_get_code_size (MonoJitInfo* ji)
950 return ji->code_size;
954 mono_jit_info_get_method (MonoJitInfo* ji)
960 jit_info_key_extract (gpointer value)
962 MonoJitInfo *info = (MonoJitInfo*)value;
968 jit_info_next_value (gpointer value)
970 MonoJitInfo *info = (MonoJitInfo*)value;
972 return (gpointer*)&info->next_jit_code_hash;
976 mono_jit_code_hash_init (MonoInternalHashTable *jit_code_hash)
978 mono_internal_hash_table_init (jit_code_hash,
979 mono_aligned_addr_hash,
980 jit_info_key_extract,
981 jit_info_next_value);
985 mono_jit_info_get_generic_jit_info (MonoJitInfo *ji)
987 if (ji->has_generic_jit_info)
988 return (MonoGenericJitInfo*)&ji->clauses [ji->num_clauses];
994 * mono_jit_info_get_generic_sharing_context:
997 * Returns the jit info's generic sharing context, or NULL if it
1000 MonoGenericSharingContext*
1001 mono_jit_info_get_generic_sharing_context (MonoJitInfo *ji)
1003 MonoGenericJitInfo *gi = mono_jit_info_get_generic_jit_info (ji);
1006 return gi->generic_sharing_context;
1012 * mono_jit_info_set_generic_sharing_context:
1014 * @gsctx: a generic sharing context
1016 * Sets the jit info's generic sharing context. The jit info must
1017 * have memory allocated for the context.
1020 mono_jit_info_set_generic_sharing_context (MonoJitInfo *ji, MonoGenericSharingContext *gsctx)
1022 MonoGenericJitInfo *gi = mono_jit_info_get_generic_jit_info (ji);
1026 gi->generic_sharing_context = gsctx;
1030 mono_install_create_domain_hook (MonoCreateDomainFunc func)
1032 create_domain_hook = func;
1036 mono_install_free_domain_hook (MonoFreeDomainFunc func)
1038 free_domain_hook = func;
1042 * mono_string_equal:
1043 * @s1: First string to compare
1044 * @s2: Second string to compare
1046 * Returns FALSE if the strings differ.
1049 mono_string_equal (MonoString *s1, MonoString *s2)
1051 int l1 = mono_string_length (s1);
1052 int l2 = mono_string_length (s2);
1059 return memcmp (mono_string_chars (s1), mono_string_chars (s2), l1 * 2) == 0;
1064 * @s: the string to hash
1066 * Returns the hash for the string.
1069 mono_string_hash (MonoString *s)
1071 const guint16 *p = mono_string_chars (s);
1072 int i, len = mono_string_length (s);
1075 for (i = 0; i < len; i++) {
1076 h = (h << 5) - h + *p;
1084 mono_ptrarray_equal (gpointer *s1, gpointer *s2)
1086 int len = GPOINTER_TO_INT (s1 [0]);
1087 if (len != GPOINTER_TO_INT (s2 [0]))
1090 return memcmp (s1 + 1, s2 + 1, len * sizeof(gpointer)) == 0;
1094 mono_ptrarray_hash (gpointer *s)
1097 int len = GPOINTER_TO_INT (s [0]);
1100 for (i = 1; i < len; i++)
1101 hash += GPOINTER_TO_UINT (s [i]);
1107 * Allocate an id for domain and set domain->domain_id.
1108 * LOCKING: must be called while holding appdomains_mutex.
1109 * We try to assign low numbers to the domain, so it can be used
1110 * as an index in data tables to lookup domain-specific info
1111 * with minimal memory overhead. We also try not to reuse the
1112 * same id too quickly (to help debugging).
1115 domain_id_alloc (MonoDomain *domain)
1118 if (!appdomains_list) {
1119 appdomain_list_size = 2;
1120 appdomains_list = mono_gc_alloc_fixed (appdomain_list_size * sizeof (void*), NULL);
1122 for (i = appdomain_next; i < appdomain_list_size; ++i) {
1123 if (!appdomains_list [i]) {
1129 for (i = 0; i < appdomain_next; ++i) {
1130 if (!appdomains_list [i]) {
1137 MonoDomain **new_list;
1138 int new_size = appdomain_list_size * 2;
1139 if (new_size >= (1 << 16))
1140 g_assert_not_reached ();
1141 id = appdomain_list_size;
1142 new_list = mono_gc_alloc_fixed (new_size * sizeof (void*), NULL);
1143 memcpy (new_list, appdomains_list, appdomain_list_size * sizeof (void*));
1144 mono_gc_free_fixed (appdomains_list);
1145 appdomains_list = new_list;
1146 appdomain_list_size = new_size;
1148 domain->domain_id = id;
1149 appdomains_list [id] = domain;
1151 if (appdomain_next > appdomain_list_size)
1156 static guint32 domain_gc_bitmap [sizeof(MonoDomain)/4/32 + 1];
1157 static gpointer domain_gc_desc = NULL;
1158 static guint32 domain_shadow_serial = 0L;
1161 mono_domain_create (void)
1164 guint32 shadow_serial;
1166 mono_appdomains_lock ();
1167 shadow_serial = domain_shadow_serial++;
1169 if (!domain_gc_desc) {
1170 unsigned int i, bit = 0;
1171 for (i = G_STRUCT_OFFSET (MonoDomain, MONO_DOMAIN_FIRST_OBJECT); i < G_STRUCT_OFFSET (MonoDomain, MONO_DOMAIN_FIRST_GC_TRACKED); i += sizeof (gpointer)) {
1172 bit = i / sizeof (gpointer);
1173 domain_gc_bitmap [bit / 32] |= 1 << (bit % 32);
1175 domain_gc_desc = mono_gc_make_descr_from_bitmap ((gsize*)domain_gc_bitmap, bit + 1);
1177 mono_appdomains_unlock ();
1179 domain = mono_gc_alloc_fixed (sizeof (MonoDomain), domain_gc_desc);
1180 domain->shadow_serial = shadow_serial;
1181 domain->domain = NULL;
1182 domain->setup = NULL;
1183 domain->friendly_name = NULL;
1184 domain->search_path = NULL;
1186 mono_gc_register_root ((char*)&(domain->MONO_DOMAIN_FIRST_GC_TRACKED), G_STRUCT_OFFSET (MonoDomain, MONO_DOMAIN_LAST_GC_TRACKED) - G_STRUCT_OFFSET (MonoDomain, MONO_DOMAIN_FIRST_GC_TRACKED), NULL);
1188 mono_profiler_appdomain_event (domain, MONO_PROFILE_START_LOAD);
1190 domain->mp = mono_mempool_new ();
1191 domain->code_mp = mono_code_manager_new ();
1192 domain->env = mono_g_hash_table_new_type ((GHashFunc)mono_string_hash, (GCompareFunc)mono_string_equal, MONO_HASH_KEY_VALUE_GC);
1193 domain->domain_assemblies = NULL;
1194 domain->class_vtable_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
1195 domain->proxy_vtable_hash = g_hash_table_new ((GHashFunc)mono_ptrarray_hash, (GCompareFunc)mono_ptrarray_equal);
1196 domain->static_data_array = NULL;
1197 mono_jit_code_hash_init (&domain->jit_code_hash);
1198 domain->ldstr_table = mono_g_hash_table_new_type ((GHashFunc)mono_string_hash, (GCompareFunc)mono_string_equal, MONO_HASH_KEY_VALUE_GC);
1199 domain->num_jit_info_tables = 1;
1200 domain->jit_info_table = jit_info_table_new (domain);
1201 domain->jit_info_free_queue = NULL;
1202 domain->finalizable_objects_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
1203 #ifndef HAVE_SGEN_GC
1204 domain->track_resurrection_handles_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
1207 InitializeCriticalSection (&domain->lock);
1208 InitializeCriticalSection (&domain->assemblies_lock);
1209 InitializeCriticalSection (&domain->jit_code_hash_lock);
1210 InitializeCriticalSection (&domain->finalizable_objects_hash_lock);
1212 domain->method_rgctx_hash = NULL;
1214 mono_appdomains_lock ();
1215 domain_id_alloc (domain);
1216 mono_appdomains_unlock ();
1218 mono_perfcounters->loader_appdomains++;
1219 mono_perfcounters->loader_total_appdomains++;
1221 mono_debug_domain_create (domain);
1223 if (create_domain_hook)
1224 create_domain_hook (domain);
1226 mono_profiler_appdomain_loaded (domain, MONO_PROFILE_OK);
1232 * mono_init_internal:
1234 * Creates the initial application domain and initializes the mono_defaults
1236 * This function is guaranteed to not run any IL code.
1237 * If exe_filename is not NULL, the method will determine the required runtime
1238 * from the exe configuration file or the version PE field.
1239 * If runtime_version is not NULL, that runtime version will be used.
1240 * Either exe_filename or runtime_version must be provided.
1242 * Returns: the initial domain.
1245 mono_init_internal (const char *filename, const char *exe_filename, const char *runtime_version)
1247 static MonoDomain *domain = NULL;
1248 MonoAssembly *ass = NULL;
1249 MonoImageOpenStatus status = MONO_IMAGE_OK;
1250 const MonoRuntimeInfo* runtimes [G_N_ELEMENTS (supported_runtimes) + 1];
1254 g_assert_not_reached ();
1256 #ifdef PLATFORM_WIN32
1257 /* Avoid system error message boxes. */
1258 SetErrorMode (SEM_FAILCRITICALERRORS | SEM_NOOPENFILEERRORBOX);
1260 mono_load_coree (exe_filename);
1263 mono_perfcounters_init ();
1265 mono_counters_register ("Max native code in a domain", MONO_COUNTER_INT|MONO_COUNTER_JIT, &max_domain_code_size);
1266 mono_counters_register ("Max code space allocated in a domain", MONO_COUNTER_INT|MONO_COUNTER_JIT, &max_domain_code_alloc);
1267 mono_counters_register ("Total code space allocated", MONO_COUNTER_INT|MONO_COUNTER_JIT, &total_domain_code_alloc);
1269 mono_gc_base_init ();
1271 appdomain_thread_id = TlsAlloc ();
1273 InitializeCriticalSection (&appdomains_mutex);
1275 mono_metadata_init ();
1276 mono_images_init ();
1277 mono_assemblies_init ();
1278 mono_classes_init ();
1279 mono_loader_init ();
1280 mono_reflection_init ();
1282 /* FIXME: When should we release this memory? */
1283 MONO_GC_REGISTER_ROOT (appdomains_list);
1285 domain = mono_domain_create ();
1286 mono_root_domain = domain;
1288 SET_APPDOMAIN (domain);
1290 /* Get a list of runtimes supported by the exe */
1291 if (exe_filename != NULL) {
1293 * This function will load the exe file as a MonoImage. We need to close it, but
1294 * that would mean it would be reloaded later. So instead, we save it to
1295 * exe_image, and close it during shutdown.
1297 get_runtimes_from_exe (exe_filename, &exe_image, runtimes);
1298 #ifdef PLATFORM_WIN32
1300 exe_image = mono_assembly_open_from_bundle (exe_filename, NULL, FALSE);
1302 exe_image = mono_image_open (exe_filename, NULL);
1304 mono_fixup_exe_image (exe_image);
1306 } else if (runtime_version != NULL) {
1307 runtimes [0] = get_runtime_by_version (runtime_version);
1308 runtimes [1] = NULL;
1311 if (runtimes [0] == NULL) {
1312 const MonoRuntimeInfo *default_runtime = get_runtime_by_version (DEFAULT_RUNTIME_VERSION);
1313 runtimes [0] = default_runtime;
1314 runtimes [1] = NULL;
1315 g_print ("WARNING: The runtime version supported by this application is unavailable.\n");
1316 g_print ("Using default runtime: %s\n", default_runtime->runtime_version);
1319 /* The selected runtime will be the first one for which there is a mscrolib.dll */
1320 for (n = 0; runtimes [n] != NULL && ass == NULL; n++) {
1321 current_runtime = runtimes [n];
1322 ass = mono_assembly_load_corlib (current_runtime, &status);
1323 if (status != MONO_IMAGE_OK && status != MONO_IMAGE_ERROR_ERRNO)
1328 /* Now that we have a runtime, set the policy for unhandled exceptions */
1329 if (mono_framework_version () < 2) {
1330 mono_runtime_unhandled_exception_policy_set (MONO_UNHANDLED_POLICY_LEGACY);
1333 if ((status != MONO_IMAGE_OK) || (ass == NULL)) {
1335 case MONO_IMAGE_ERROR_ERRNO: {
1336 char *corlib_file = g_build_filename (mono_assembly_getrootdir (), "mono", current_runtime->framework_version, "mscorlib.dll", NULL);
1337 g_print ("The assembly mscorlib.dll was not found or could not be loaded.\n");
1338 g_print ("It should have been installed in the `%s' directory.\n", corlib_file);
1339 g_free (corlib_file);
1342 case MONO_IMAGE_IMAGE_INVALID:
1343 g_print ("The file %s/mscorlib.dll is an invalid CIL image\n",
1344 mono_assembly_getrootdir ());
1346 case MONO_IMAGE_MISSING_ASSEMBLYREF:
1347 g_print ("Missing assembly reference in %s/mscorlib.dll\n",
1348 mono_assembly_getrootdir ());
1351 /* to suppress compiler warning */
1357 mono_defaults.corlib = mono_assembly_get_image (ass);
1359 mono_defaults.object_class = mono_class_from_name (
1360 mono_defaults.corlib, "System", "Object");
1361 g_assert (mono_defaults.object_class != 0);
1363 mono_defaults.void_class = mono_class_from_name (
1364 mono_defaults.corlib, "System", "Void");
1365 g_assert (mono_defaults.void_class != 0);
1367 mono_defaults.boolean_class = mono_class_from_name (
1368 mono_defaults.corlib, "System", "Boolean");
1369 g_assert (mono_defaults.boolean_class != 0);
1371 mono_defaults.byte_class = mono_class_from_name (
1372 mono_defaults.corlib, "System", "Byte");
1373 g_assert (mono_defaults.byte_class != 0);
1375 mono_defaults.sbyte_class = mono_class_from_name (
1376 mono_defaults.corlib, "System", "SByte");
1377 g_assert (mono_defaults.sbyte_class != 0);
1379 mono_defaults.int16_class = mono_class_from_name (
1380 mono_defaults.corlib, "System", "Int16");
1381 g_assert (mono_defaults.int16_class != 0);
1383 mono_defaults.uint16_class = mono_class_from_name (
1384 mono_defaults.corlib, "System", "UInt16");
1385 g_assert (mono_defaults.uint16_class != 0);
1387 mono_defaults.int32_class = mono_class_from_name (
1388 mono_defaults.corlib, "System", "Int32");
1389 g_assert (mono_defaults.int32_class != 0);
1391 mono_defaults.uint32_class = mono_class_from_name (
1392 mono_defaults.corlib, "System", "UInt32");
1393 g_assert (mono_defaults.uint32_class != 0);
1395 mono_defaults.uint_class = mono_class_from_name (
1396 mono_defaults.corlib, "System", "UIntPtr");
1397 g_assert (mono_defaults.uint_class != 0);
1399 mono_defaults.int_class = mono_class_from_name (
1400 mono_defaults.corlib, "System", "IntPtr");
1401 g_assert (mono_defaults.int_class != 0);
1403 mono_defaults.int64_class = mono_class_from_name (
1404 mono_defaults.corlib, "System", "Int64");
1405 g_assert (mono_defaults.int64_class != 0);
1407 mono_defaults.uint64_class = mono_class_from_name (
1408 mono_defaults.corlib, "System", "UInt64");
1409 g_assert (mono_defaults.uint64_class != 0);
1411 mono_defaults.single_class = mono_class_from_name (
1412 mono_defaults.corlib, "System", "Single");
1413 g_assert (mono_defaults.single_class != 0);
1415 mono_defaults.double_class = mono_class_from_name (
1416 mono_defaults.corlib, "System", "Double");
1417 g_assert (mono_defaults.double_class != 0);
1419 mono_defaults.char_class = mono_class_from_name (
1420 mono_defaults.corlib, "System", "Char");
1421 g_assert (mono_defaults.char_class != 0);
1423 mono_defaults.string_class = mono_class_from_name (
1424 mono_defaults.corlib, "System", "String");
1425 g_assert (mono_defaults.string_class != 0);
1427 mono_defaults.enum_class = mono_class_from_name (
1428 mono_defaults.corlib, "System", "Enum");
1429 g_assert (mono_defaults.enum_class != 0);
1431 mono_defaults.array_class = mono_class_from_name (
1432 mono_defaults.corlib, "System", "Array");
1433 g_assert (mono_defaults.array_class != 0);
1435 mono_defaults.delegate_class = mono_class_from_name (
1436 mono_defaults.corlib, "System", "Delegate");
1437 g_assert (mono_defaults.delegate_class != 0 );
1439 mono_defaults.multicastdelegate_class = mono_class_from_name (
1440 mono_defaults.corlib, "System", "MulticastDelegate");
1441 g_assert (mono_defaults.multicastdelegate_class != 0 );
1443 mono_defaults.asyncresult_class = mono_class_from_name (
1444 mono_defaults.corlib, "System.Runtime.Remoting.Messaging",
1446 g_assert (mono_defaults.asyncresult_class != 0 );
1448 mono_defaults.waithandle_class = mono_class_from_name (
1449 mono_defaults.corlib, "System.Threading", "WaitHandle");
1450 g_assert (mono_defaults.waithandle_class != 0 );
1452 mono_defaults.typehandle_class = mono_class_from_name (
1453 mono_defaults.corlib, "System", "RuntimeTypeHandle");
1454 g_assert (mono_defaults.typehandle_class != 0);
1456 mono_defaults.methodhandle_class = mono_class_from_name (
1457 mono_defaults.corlib, "System", "RuntimeMethodHandle");
1458 g_assert (mono_defaults.methodhandle_class != 0);
1460 mono_defaults.fieldhandle_class = mono_class_from_name (
1461 mono_defaults.corlib, "System", "RuntimeFieldHandle");
1462 g_assert (mono_defaults.fieldhandle_class != 0);
1464 mono_defaults.systemtype_class = mono_class_from_name (
1465 mono_defaults.corlib, "System", "Type");
1466 g_assert (mono_defaults.systemtype_class != 0);
1468 mono_defaults.monotype_class = mono_class_from_name (
1469 mono_defaults.corlib, "System", "MonoType");
1470 g_assert (mono_defaults.monotype_class != 0);
1472 mono_defaults.exception_class = mono_class_from_name (
1473 mono_defaults.corlib, "System", "Exception");
1474 g_assert (mono_defaults.exception_class != 0);
1476 mono_defaults.threadabortexception_class = mono_class_from_name (
1477 mono_defaults.corlib, "System.Threading", "ThreadAbortException");
1478 g_assert (mono_defaults.threadabortexception_class != 0);
1480 mono_defaults.thread_class = mono_class_from_name (
1481 mono_defaults.corlib, "System.Threading", "Thread");
1482 g_assert (mono_defaults.thread_class != 0);
1484 mono_defaults.appdomain_class = mono_class_from_name (
1485 mono_defaults.corlib, "System", "AppDomain");
1486 g_assert (mono_defaults.appdomain_class != 0);
1488 mono_defaults.transparent_proxy_class = mono_class_from_name (
1489 mono_defaults.corlib, "System.Runtime.Remoting.Proxies", "TransparentProxy");
1490 g_assert (mono_defaults.transparent_proxy_class != 0);
1492 mono_defaults.real_proxy_class = mono_class_from_name (
1493 mono_defaults.corlib, "System.Runtime.Remoting.Proxies", "RealProxy");
1494 g_assert (mono_defaults.real_proxy_class != 0);
1496 mono_defaults.mono_method_message_class = mono_class_from_name (
1497 mono_defaults.corlib, "System.Runtime.Remoting.Messaging", "MonoMethodMessage");
1498 g_assert (mono_defaults.mono_method_message_class != 0);
1500 mono_defaults.field_info_class = mono_class_from_name (
1501 mono_defaults.corlib, "System.Reflection", "FieldInfo");
1502 g_assert (mono_defaults.field_info_class != 0);
1504 mono_defaults.method_info_class = mono_class_from_name (
1505 mono_defaults.corlib, "System.Reflection", "MethodInfo");
1506 g_assert (mono_defaults.method_info_class != 0);
1508 mono_defaults.stringbuilder_class = mono_class_from_name (
1509 mono_defaults.corlib, "System.Text", "StringBuilder");
1510 g_assert (mono_defaults.stringbuilder_class != 0);
1512 mono_defaults.math_class = mono_class_from_name (
1513 mono_defaults.corlib, "System", "Math");
1514 g_assert (mono_defaults.math_class != 0);
1516 mono_defaults.stack_frame_class = mono_class_from_name (
1517 mono_defaults.corlib, "System.Diagnostics", "StackFrame");
1518 g_assert (mono_defaults.stack_frame_class != 0);
1520 mono_defaults.stack_trace_class = mono_class_from_name (
1521 mono_defaults.corlib, "System.Diagnostics", "StackTrace");
1522 g_assert (mono_defaults.stack_trace_class != 0);
1524 mono_defaults.marshal_class = mono_class_from_name (
1525 mono_defaults.corlib, "System.Runtime.InteropServices", "Marshal");
1526 g_assert (mono_defaults.marshal_class != 0);
1528 mono_defaults.iserializeable_class = mono_class_from_name (
1529 mono_defaults.corlib, "System.Runtime.Serialization", "ISerializable");
1530 g_assert (mono_defaults.iserializeable_class != 0);
1532 mono_defaults.serializationinfo_class = mono_class_from_name (
1533 mono_defaults.corlib, "System.Runtime.Serialization", "SerializationInfo");
1534 g_assert (mono_defaults.serializationinfo_class != 0);
1536 mono_defaults.streamingcontext_class = mono_class_from_name (
1537 mono_defaults.corlib, "System.Runtime.Serialization", "StreamingContext");
1538 g_assert (mono_defaults.streamingcontext_class != 0);
1540 mono_defaults.typed_reference_class = mono_class_from_name (
1541 mono_defaults.corlib, "System", "TypedReference");
1542 g_assert (mono_defaults.typed_reference_class != 0);
1544 mono_defaults.argumenthandle_class = mono_class_from_name (
1545 mono_defaults.corlib, "System", "RuntimeArgumentHandle");
1546 g_assert (mono_defaults.argumenthandle_class != 0);
1548 mono_defaults.marshalbyrefobject_class = mono_class_from_name (
1549 mono_defaults.corlib, "System", "MarshalByRefObject");
1550 g_assert (mono_defaults.marshalbyrefobject_class != 0);
1552 mono_defaults.monitor_class = mono_class_from_name (
1553 mono_defaults.corlib, "System.Threading", "Monitor");
1554 g_assert (mono_defaults.monitor_class != 0);
1556 mono_defaults.iremotingtypeinfo_class = mono_class_from_name (
1557 mono_defaults.corlib, "System.Runtime.Remoting", "IRemotingTypeInfo");
1558 g_assert (mono_defaults.iremotingtypeinfo_class != 0);
1560 mono_defaults.runtimesecurityframe_class = mono_class_from_name (
1561 mono_defaults.corlib, "System.Security", "RuntimeSecurityFrame");
1563 mono_defaults.executioncontext_class = mono_class_from_name (
1564 mono_defaults.corlib, "System.Threading", "ExecutionContext");
1566 mono_defaults.internals_visible_class = mono_class_from_name (
1567 mono_defaults.corlib, "System.Runtime.CompilerServices", "InternalsVisibleToAttribute");
1569 mono_defaults.critical_finalizer_object = mono_class_from_name (
1570 mono_defaults.corlib, "System.Runtime.ConstrainedExecution", "CriticalFinalizerObject");
1573 * mscorlib needs a little help, only now it can load its friends list (after we have
1574 * loaded the InternalsVisibleToAttribute), load it now
1576 mono_assembly_load_friends (ass);
1578 mono_defaults.safehandle_class = mono_class_from_name (
1579 mono_defaults.corlib, "System.Runtime.InteropServices", "SafeHandle");
1581 mono_defaults.handleref_class = mono_class_from_name (
1582 mono_defaults.corlib, "System.Runtime.InteropServices", "HandleRef");
1584 mono_defaults.attribute_class = mono_class_from_name (
1585 mono_defaults.corlib, "System", "Attribute");
1587 mono_defaults.customattribute_data_class = mono_class_from_name (
1588 mono_defaults.corlib, "System.Reflection", "CustomAttributeData");
1590 /* these are initialized lazily when COM features are used */
1591 mono_defaults.variant_class = NULL;
1592 mono_defaults.com_object_class = NULL;
1593 mono_defaults.com_interop_proxy_class = NULL;
1594 mono_defaults.iunknown_class = NULL;
1595 mono_defaults.idispatch_class = NULL;
1598 * Note that mono_defaults.generic_*_class is only non-NULL if we're
1599 * using the 2.0 corlib.
1601 mono_class_init (mono_defaults.array_class);
1602 mono_defaults.generic_nullable_class = mono_class_from_name (
1603 mono_defaults.corlib, "System", "Nullable`1");
1604 mono_defaults.generic_ilist_class = mono_class_from_name (
1605 mono_defaults.corlib, "System.Collections.Generic", "IList`1");
1607 domain->friendly_name = g_path_get_basename (filename);
1609 _mono_debug_init_corlib (domain);
1617 * Creates the initial application domain and initializes the mono_defaults
1619 * This function is guaranteed to not run any IL code.
1620 * The runtime is initialized using the default runtime version.
1622 * Returns: the initial domain.
1625 mono_init (const char *domain_name)
1627 return mono_init_internal (domain_name, NULL, DEFAULT_RUNTIME_VERSION);
1631 * mono_init_from_assembly:
1633 * Creates the initial application domain and initializes the mono_defaults
1635 * This function is guaranteed to not run any IL code.
1636 * The runtime is initialized using the runtime version required by the
1637 * provided executable. The version is determined by looking at the exe
1638 * configuration file and the version PE field)
1640 * Returns: the initial domain.
1643 mono_init_from_assembly (const char *domain_name, const char *filename)
1645 return mono_init_internal (domain_name, filename, NULL);
1649 * mono_init_version:
1651 * Creates the initial application domain and initializes the mono_defaults
1653 * This function is guaranteed to not run any IL code.
1654 * The runtime is initialized using the provided rutime version.
1656 * Returns: the initial domain.
1659 mono_init_version (const char *domain_name, const char *version)
1661 return mono_init_internal (domain_name, NULL, version);
1665 * mono_init_com_types:
1667 * Initializes all types needed for COM Interop in mono_defaults structure.
1670 mono_init_com_types (void)
1672 static gboolean initialized = FALSE;
1677 /* FIXME: do I need some threading protection here */
1679 g_assert (mono_defaults.corlib);
1681 mono_defaults.variant_class = mono_class_from_name (
1682 mono_defaults.corlib, "System", "Variant");
1683 g_assert (mono_defaults.variant_class != 0);
1685 mono_defaults.com_object_class = mono_class_from_name (
1686 mono_defaults.corlib, "System", "__ComObject");
1687 g_assert (mono_defaults.com_object_class != 0);
1689 mono_defaults.com_interop_proxy_class = mono_class_from_name (
1690 mono_defaults.corlib, "Mono.Interop", "ComInteropProxy");
1691 g_assert (mono_defaults.com_interop_proxy_class != 0);
1693 mono_defaults.iunknown_class = mono_class_from_name (
1694 mono_defaults.corlib, "Mono.Interop", "IUnknown");
1695 g_assert (mono_defaults.iunknown_class != 0);
1697 mono_defaults.idispatch_class = mono_class_from_name (
1698 mono_defaults.corlib, "Mono.Interop", "IDispatch");
1699 g_assert (mono_defaults.idispatch_class != 0);
1707 * Cleans up all metadata modules.
1712 mono_close_exe_image ();
1714 mono_loader_cleanup ();
1715 mono_classes_cleanup ();
1716 mono_assemblies_cleanup ();
1717 mono_images_cleanup ();
1718 mono_debug_cleanup ();
1719 mono_metadata_cleanup ();
1721 TlsFree (appdomain_thread_id);
1722 DeleteCriticalSection (&appdomains_mutex);
1726 mono_close_exe_image (void)
1729 mono_image_close (exe_image);
1733 * mono_get_root_domain:
1735 * The root AppDomain is the initial domain created by the runtime when it is
1736 * initialized. Programs execute on this AppDomain, but can create new ones
1737 * later. Currently there is no unmanaged API to create new AppDomains, this
1738 * must be done from managed code.
1740 * Returns: the root appdomain, to obtain the current domain, use mono_domain_get ()
1743 mono_get_root_domain (void)
1745 return mono_root_domain;
1751 * Returns: the current domain, to obtain the root domain use
1752 * mono_get_root_domain().
1757 return GET_APPDOMAIN ();
1761 mono_domain_set_internal_with_options (MonoDomain *domain, gboolean migrate_exception)
1765 if (mono_domain_get () == domain)
1768 SET_APPDOMAIN (domain);
1769 SET_APPCONTEXT (domain->default_context);
1771 if (migrate_exception) {
1772 thread = mono_thread_current ();
1773 if (!thread->abort_exc)
1776 g_assert (thread->abort_exc->object.vtable->domain != domain);
1777 MONO_OBJECT_SETREF (thread, abort_exc, mono_get_exception_thread_abort ());
1778 g_assert (thread->abort_exc->object.vtable->domain == domain);
1783 * mono_domain_set_internal:
1784 * @domain: the new domain
1786 * Sets the current domain to @domain.
1789 mono_domain_set_internal (MonoDomain *domain)
1791 mono_domain_set_internal_with_options (domain, TRUE);
1795 mono_domain_foreach (MonoDomainFunc func, gpointer user_data)
1801 * Create a copy of the data to avoid calling the user callback
1802 * inside the lock because that could lead to deadlocks.
1803 * We can do this because this function is not perf. critical.
1805 mono_appdomains_lock ();
1806 size = appdomain_list_size;
1807 copy = mono_gc_alloc_fixed (appdomain_list_size * sizeof (void*), NULL);
1808 memcpy (copy, appdomains_list, appdomain_list_size * sizeof (void*));
1809 mono_appdomains_unlock ();
1811 for (i = 0; i < size; ++i) {
1813 func (copy [i], user_data);
1816 mono_gc_free_fixed (copy);
1820 * mono_domain_assembly_open:
1821 * @domain: the application domain
1822 * @name: file name of the assembly
1824 * fixme: maybe we should integrate this with mono_assembly_open ??
1827 mono_domain_assembly_open (MonoDomain *domain, const char *name)
1829 MonoDomain *current;
1833 mono_domain_assemblies_lock (domain);
1834 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
1836 if (strcmp (name, ass->aname.name) == 0) {
1837 mono_domain_assemblies_unlock (domain);
1841 mono_domain_assemblies_unlock (domain);
1843 if (domain != mono_domain_get ()) {
1844 current = mono_domain_get ();
1846 mono_domain_set (domain, FALSE);
1847 ass = mono_assembly_open (name, NULL);
1848 mono_domain_set (current, FALSE);
1850 ass = mono_assembly_open (name, NULL);
1857 free_slist (gpointer key, gpointer value, gpointer user_data)
1859 g_slist_free (value);
1863 mono_domain_free (MonoDomain *domain, gboolean force)
1865 int code_size, code_alloc;
1867 if ((domain == mono_root_domain) && !force) {
1868 g_warning ("cant unload root domain");
1872 if (mono_dont_free_domains)
1875 mono_profiler_appdomain_event (domain, MONO_PROFILE_START_UNLOAD);
1877 if (free_domain_hook)
1878 free_domain_hook (domain);
1880 mono_debug_domain_unload (domain);
1882 mono_gc_clear_domain (domain);
1884 mono_appdomains_lock ();
1885 appdomains_list [domain->domain_id] = NULL;
1886 mono_appdomains_unlock ();
1888 /* FIXME: free delegate_hash_table when it's used */
1889 if (domain->search_path) {
1890 g_strfreev (domain->search_path);
1891 domain->search_path = NULL;
1893 domain->create_proxy_for_type_method = NULL;
1894 domain->private_invoke_method = NULL;
1895 domain->default_context = NULL;
1896 domain->out_of_memory_ex = NULL;
1897 domain->null_reference_ex = NULL;
1898 domain->stack_overflow_ex = NULL;
1899 domain->entry_assembly = NULL;
1900 /* must do this early as it accesses fields and types */
1901 if (domain->special_static_fields) {
1902 mono_alloc_special_static_data_free (domain->special_static_fields);
1903 g_hash_table_destroy (domain->special_static_fields);
1904 domain->special_static_fields = NULL;
1906 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
1907 MonoAssembly *ass = tmp->data;
1908 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY, "Unloading domain %s %p, assembly %s %p, refcount=%d\n", domain->friendly_name, domain, ass->aname.name, ass, ass->ref_count);
1909 mono_assembly_close (ass);
1911 g_slist_free (domain->domain_assemblies);
1912 domain->domain_assemblies = NULL;
1914 g_free (domain->friendly_name);
1915 domain->friendly_name = NULL;
1916 mono_g_hash_table_destroy (domain->env);
1918 g_hash_table_destroy (domain->class_vtable_hash);
1919 domain->class_vtable_hash = NULL;
1920 g_hash_table_destroy (domain->proxy_vtable_hash);
1921 domain->proxy_vtable_hash = NULL;
1922 if (domain->static_data_array) {
1923 mono_gc_free_fixed (domain->static_data_array);
1924 domain->static_data_array = NULL;
1926 mono_internal_hash_table_destroy (&domain->jit_code_hash);
1927 mono_g_hash_table_destroy (domain->ldstr_table);
1928 domain->ldstr_table = NULL;
1931 * There might still be jit info tables of this domain which
1932 * are not freed. Since the domain cannot be in use anymore,
1933 * this will free them.
1935 mono_thread_hazardous_try_free_all ();
1936 g_assert (domain->num_jit_info_tables == 1);
1937 jit_info_table_free (domain->jit_info_table);
1938 domain->jit_info_table = NULL;
1939 g_assert (!domain->jit_info_free_queue);
1941 /* collect statistics */
1942 code_alloc = mono_code_manager_size (domain->code_mp, &code_size);
1943 total_domain_code_alloc += code_alloc;
1944 max_domain_code_alloc = MAX (max_domain_code_alloc, code_alloc);
1945 max_domain_code_size = MAX (max_domain_code_size, code_size);
1947 #ifdef DEBUG_DOMAIN_UNLOAD
1948 mono_mempool_invalidate (domain->mp);
1949 mono_code_manager_invalidate (domain->code_mp);
1951 mono_perfcounters->loader_bytes -= mono_mempool_get_allocated (domain->mp);
1952 mono_mempool_destroy (domain->mp);
1954 mono_code_manager_destroy (domain->code_mp);
1955 domain->code_mp = NULL;
1958 mono_reflection_cleanup_domain (domain);
1960 if (domain->type_hash) {
1961 mono_g_hash_table_destroy (domain->type_hash);
1962 domain->type_hash = NULL;
1964 if (domain->type_init_exception_hash) {
1965 mono_g_hash_table_destroy (domain->type_init_exception_hash);
1966 domain->type_init_exception_hash = NULL;
1968 g_hash_table_destroy (domain->finalizable_objects_hash);
1969 domain->finalizable_objects_hash = NULL;
1970 #ifndef HAVE_SGEN_GC
1971 if (domain->track_resurrection_objects_hash) {
1972 g_hash_table_foreach (domain->track_resurrection_objects_hash, free_slist, NULL);
1973 g_hash_table_destroy (domain->track_resurrection_objects_hash);
1975 if (domain->track_resurrection_handles_hash)
1976 g_hash_table_destroy (domain->track_resurrection_handles_hash);
1978 if (domain->method_rgctx_hash) {
1979 g_hash_table_destroy (domain->method_rgctx_hash);
1980 domain->method_rgctx_hash = NULL;
1982 if (domain->generic_virtual_cases) {
1983 g_hash_table_destroy (domain->generic_virtual_cases);
1984 domain->generic_virtual_cases = NULL;
1987 DeleteCriticalSection (&domain->finalizable_objects_hash_lock);
1988 DeleteCriticalSection (&domain->assemblies_lock);
1989 DeleteCriticalSection (&domain->jit_code_hash_lock);
1990 DeleteCriticalSection (&domain->lock);
1991 domain->setup = NULL;
1993 /* FIXME: anything else required ? */
1995 mono_profiler_appdomain_event (domain, MONO_PROFILE_END_UNLOAD);
1997 mono_gc_free_fixed (domain);
1999 mono_perfcounters->loader_appdomains--;
2001 if ((domain == mono_root_domain))
2002 mono_root_domain = NULL;
2006 * mono_domain_get_id:
2009 * Returns: the a domain for a specific domain id.
2012 mono_domain_get_by_id (gint32 domainid)
2014 MonoDomain * domain;
2016 mono_appdomains_lock ();
2017 if (domainid < appdomain_list_size)
2018 domain = appdomains_list [domainid];
2021 mono_appdomains_unlock ();
2027 mono_domain_get_id (MonoDomain *domain)
2029 return domain->domain_id;
2033 * mono_domain_alloc:
2035 * LOCKING: Acquires the domain lock.
2038 mono_domain_alloc (MonoDomain *domain, guint size)
2042 mono_domain_lock (domain);
2043 mono_perfcounters->loader_bytes += size;
2044 res = mono_mempool_alloc (domain->mp, size);
2045 mono_domain_unlock (domain);
2051 * mono_domain_alloc0:
2053 * LOCKING: Acquires the domain lock.
2056 mono_domain_alloc0 (MonoDomain *domain, guint size)
2060 mono_domain_lock (domain);
2061 mono_perfcounters->loader_bytes += size;
2062 res = mono_mempool_alloc0 (domain->mp, size);
2063 mono_domain_unlock (domain);
2069 * mono_domain_code_reserve:
2071 * LOCKING: Acquires the domain lock.
2074 mono_domain_code_reserve (MonoDomain *domain, int size)
2078 mono_domain_lock (domain);
2079 res = mono_code_manager_reserve (domain->code_mp, size);
2080 mono_domain_unlock (domain);
2086 * mono_domain_code_reserve_align:
2088 * LOCKING: Acquires the domain lock.
2091 mono_domain_code_reserve_align (MonoDomain *domain, int size, int alignment)
2095 mono_domain_lock (domain);
2096 res = mono_code_manager_reserve_align (domain->code_mp, size, alignment);
2097 mono_domain_unlock (domain);
2103 * mono_domain_code_commit:
2105 * LOCKING: Acquires the domain lock.
2108 mono_domain_code_commit (MonoDomain *domain, void *data, int size, int newsize)
2110 mono_domain_lock (domain);
2111 mono_code_manager_commit (domain->code_mp, data, size, newsize);
2112 mono_domain_unlock (domain);
2116 * mono_domain_code_foreach:
2117 * Iterate over the code thunks of the code manager of @domain.
2119 * The @func callback MUST not take any locks. If it really needs to, it must respect
2120 * the locking rules of the runtime: http://www.mono-project.com/Mono:Runtime:Documentation:ThreadSafety
2121 * LOCKING: Acquires the domain lock.
2125 mono_domain_code_foreach (MonoDomain *domain, MonoCodeManagerFunc func, void *user_data)
2127 mono_domain_lock (domain);
2128 mono_code_manager_foreach (domain->code_mp, func, user_data);
2129 mono_domain_unlock (domain);
2134 mono_context_set (MonoAppContext * new_context)
2136 SET_APPCONTEXT (new_context);
2140 mono_context_get (void)
2142 return GET_APPCONTEXT ();
2145 /* LOCKING: the caller holds the lock for this domain */
2147 mono_domain_add_class_static_data (MonoDomain *domain, MonoClass *klass, gpointer data, guint32 *bitmap)
2149 /* The first entry in the array is the index of the next free slot
2150 * and the total size of the array
2153 if (domain->static_data_array) {
2154 int size = GPOINTER_TO_INT (domain->static_data_array [1]);
2155 next = GPOINTER_TO_INT (domain->static_data_array [0]);
2157 gpointer *new_array = mono_gc_alloc_fixed (sizeof (gpointer) * (size * 2), NULL);
2158 memcpy (new_array, domain->static_data_array, sizeof (gpointer) * size);
2160 new_array [1] = GINT_TO_POINTER (size);
2161 mono_gc_free_fixed (domain->static_data_array);
2162 domain->static_data_array = new_array;
2166 gpointer *new_array = mono_gc_alloc_fixed (sizeof (gpointer) * size, NULL);
2168 new_array [0] = GINT_TO_POINTER (next);
2169 new_array [1] = GINT_TO_POINTER (size);
2170 domain->static_data_array = new_array;
2172 domain->static_data_array [next++] = data;
2173 domain->static_data_array [0] = GINT_TO_POINTER (next);
2177 mono_get_corlib (void)
2179 return mono_defaults.corlib;
2183 mono_get_object_class (void)
2185 return mono_defaults.object_class;
2189 mono_get_byte_class (void)
2191 return mono_defaults.byte_class;
2195 mono_get_void_class (void)
2197 return mono_defaults.void_class;
2201 mono_get_boolean_class (void)
2203 return mono_defaults.boolean_class;
2207 mono_get_sbyte_class (void)
2209 return mono_defaults.sbyte_class;
2213 mono_get_int16_class (void)
2215 return mono_defaults.int16_class;
2219 mono_get_uint16_class (void)
2221 return mono_defaults.uint16_class;
2225 mono_get_int32_class (void)
2227 return mono_defaults.int32_class;
2231 mono_get_uint32_class (void)
2233 return mono_defaults.uint32_class;
2237 mono_get_intptr_class (void)
2239 return mono_defaults.int_class;
2243 mono_get_uintptr_class (void)
2245 return mono_defaults.uint_class;
2249 mono_get_int64_class (void)
2251 return mono_defaults.int64_class;
2255 mono_get_uint64_class (void)
2257 return mono_defaults.uint64_class;
2261 mono_get_single_class (void)
2263 return mono_defaults.single_class;
2267 mono_get_double_class (void)
2269 return mono_defaults.double_class;
2273 mono_get_char_class (void)
2275 return mono_defaults.char_class;
2279 mono_get_string_class (void)
2281 return mono_defaults.string_class;
2285 mono_get_enum_class (void)
2287 return mono_defaults.enum_class;
2291 mono_get_array_class (void)
2293 return mono_defaults.array_class;
2297 mono_get_thread_class (void)
2299 return mono_defaults.thread_class;
2303 mono_get_exception_class (void)
2305 return mono_defaults.exception_class;
2309 static char* get_attribute_value (const gchar **attribute_names,
2310 const gchar **attribute_values,
2311 const char *att_name)
2314 for (n=0; attribute_names[n] != NULL; n++) {
2315 if (strcmp (attribute_names[n], att_name) == 0)
2316 return g_strdup (attribute_values[n]);
2321 static void start_element (GMarkupParseContext *context,
2322 const gchar *element_name,
2323 const gchar **attribute_names,
2324 const gchar **attribute_values,
2328 AppConfigInfo* app_config = (AppConfigInfo*) user_data;
2330 if (strcmp (element_name, "configuration") == 0) {
2331 app_config->configuration_count++;
2334 if (strcmp (element_name, "startup") == 0) {
2335 app_config->startup_count++;
2339 if (app_config->configuration_count != 1 || app_config->startup_count != 1)
2342 if (strcmp (element_name, "requiredRuntime") == 0) {
2343 app_config->required_runtime = get_attribute_value (attribute_names, attribute_values, "version");
2344 } else if (strcmp (element_name, "supportedRuntime") == 0) {
2345 char *version = get_attribute_value (attribute_names, attribute_values, "version");
2346 app_config->supported_runtimes = g_slist_append (app_config->supported_runtimes, version);
2350 static void end_element (GMarkupParseContext *context,
2351 const gchar *element_name,
2355 AppConfigInfo* app_config = (AppConfigInfo*) user_data;
2357 if (strcmp (element_name, "configuration") == 0) {
2358 app_config->configuration_count--;
2359 } else if (strcmp (element_name, "startup") == 0) {
2360 app_config->startup_count--;
2364 static const GMarkupParser
2373 static AppConfigInfo *
2374 app_config_parse (const char *exe_filename)
2376 AppConfigInfo *app_config;
2377 GMarkupParseContext *context;
2380 const char *bundled_config;
2381 char *config_filename;
2383 bundled_config = mono_config_string_for_assembly_file (exe_filename);
2385 if (bundled_config) {
2386 text = g_strdup (bundled_config);
2387 len = strlen (text);
2389 config_filename = g_strconcat (exe_filename, ".config", NULL);
2391 if (!g_file_get_contents (config_filename, &text, &len, NULL)) {
2392 g_free (config_filename);
2395 g_free (config_filename);
2398 app_config = g_new0 (AppConfigInfo, 1);
2400 context = g_markup_parse_context_new (&mono_parser, 0, app_config, NULL);
2401 if (g_markup_parse_context_parse (context, text, len, NULL)) {
2402 g_markup_parse_context_end_parse (context, NULL);
2404 g_markup_parse_context_free (context);
2410 app_config_free (AppConfigInfo* app_config)
2413 GSList *list = app_config->supported_runtimes;
2414 while (list != NULL) {
2415 rt = (char*)list->data;
2417 list = g_slist_next (list);
2419 g_slist_free (app_config->supported_runtimes);
2420 g_free (app_config->required_runtime);
2421 g_free (app_config);
2425 static const MonoRuntimeInfo*
2426 get_runtime_by_version (const char *version)
2429 int max = G_N_ELEMENTS (supported_runtimes);
2431 for (n=0; n<max; n++) {
2432 if (strcmp (version, supported_runtimes[n].runtime_version) == 0)
2433 return &supported_runtimes[n];
2439 get_runtimes_from_exe (const char *exe_file, MonoImage **exe_image, const MonoRuntimeInfo** runtimes)
2441 AppConfigInfo* app_config;
2443 const MonoRuntimeInfo* runtime = NULL;
2444 MonoImage *image = NULL;
2446 app_config = app_config_parse (exe_file);
2448 if (app_config != NULL) {
2449 /* Check supportedRuntime elements, if none is supported, fail.
2450 * If there are no such elements, look for a requiredRuntime element.
2452 if (app_config->supported_runtimes != NULL) {
2454 GSList *list = app_config->supported_runtimes;
2455 while (list != NULL) {
2456 version = (char*) list->data;
2457 runtime = get_runtime_by_version (version);
2458 if (runtime != NULL)
2459 runtimes [n++] = runtime;
2460 list = g_slist_next (list);
2462 runtimes [n] = NULL;
2463 app_config_free (app_config);
2467 /* Check the requiredRuntime element. This is for 1.0 apps only. */
2468 if (app_config->required_runtime != NULL) {
2469 runtimes [0] = get_runtime_by_version (app_config->required_runtime);
2470 runtimes [1] = NULL;
2471 app_config_free (app_config);
2474 app_config_free (app_config);
2477 /* Look for a runtime with the exact version */
2478 image = mono_assembly_open_from_bundle (exe_file, NULL, FALSE);
2481 image = mono_image_open (exe_file, NULL);
2483 if (image == NULL) {
2484 /* The image is wrong or the file was not found. In this case return
2485 * a default runtime and leave to the initialization method the work of
2486 * reporting the error.
2488 runtimes [0] = get_runtime_by_version (DEFAULT_RUNTIME_VERSION);
2489 runtimes [1] = NULL;
2495 runtimes [0] = get_runtime_by_version (image->version);
2496 runtimes [1] = NULL;
2501 * mono_get_runtime_info:
2503 * Returns: the version of the current runtime instance.
2505 const MonoRuntimeInfo*
2506 mono_get_runtime_info (void)
2508 return current_runtime;
2512 mono_debugger_check_runtime_version (const char *filename)
2514 const MonoRuntimeInfo* runtimes [G_N_ELEMENTS (supported_runtimes) + 1];
2515 const MonoRuntimeInfo *rinfo;
2518 get_runtimes_from_exe (filename, &image, runtimes);
2519 rinfo = runtimes [0];
2522 return g_strdup_printf ("Cannot get runtime version from assembly `%s'", filename);
2524 if (rinfo != current_runtime)
2525 return g_strdup_printf ("The Mono Debugger is currently using the `%s' runtime, but "
2526 "the assembly `%s' requires version `%s'", current_runtime->runtime_version,
2527 filename, rinfo->runtime_version);
2533 * mono_framework_version:
2535 * Return the major version of the framework curently executing.
2538 mono_framework_version (void)
2540 return current_runtime->framework_version [0] - '0';