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-internal.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(HOST_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_internal_current ()->current_appcontext)
81 #define SET_APPCONTEXT(x) MONO_OBJECT_SETREF (mono_thread_internal_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 {"v2.0.50215","2.0", { {2,0,0,0}, {8,0,0,0}, { 3, 5, 0, 0 } } },
132 {"v2.0.50727","2.0", { {2,0,0,0}, {8,0,0,0}, { 3, 5, 0, 0 } } },
133 {"v4.0.30128","4.0", { {4,0,0,0}, {10,0,0,0}, { 4, 0, 0, 0 } } },
134 {"v4.0.30319","4.0", { {4,0,0,0}, {10,0,0,0}, { 4, 0, 0, 0 } } },
135 {"moonlight", "2.1", { {2,0,5,0}, {9,0,0,0}, { 3, 5, 0, 0 } } },
139 /* The stable runtime version */
140 #define DEFAULT_RUNTIME_VERSION "v2.0.50727"
142 /* Callbacks installed by the JIT */
143 static MonoCreateDomainFunc create_domain_hook;
144 static MonoFreeDomainFunc free_domain_hook;
146 /* This is intentionally not in the header file, so people don't misuse it. */
147 extern void _mono_debug_init_corlib (MonoDomain *domain);
150 get_runtimes_from_exe (const char *exe_file, MonoImage **exe_image, const MonoRuntimeInfo** runtimes);
152 static const MonoRuntimeInfo*
153 get_runtime_by_version (const char *version);
156 mono_jit_info_find_aot_module (guint8* addr);
159 mono_domain_get_tls_key (void)
161 return appdomain_thread_id;
165 mono_domain_get_tls_offset (void)
168 MONO_THREAD_VAR_OFFSET (tls_appdomain, offset);
169 /* __asm ("jmp 1f; .section writetext, \"awx\"; 1: movl $tls_appdomain@ntpoff, %0; jmp 2f; .previous; 2:"
174 #define JIT_INFO_TABLE_FILL_RATIO_NOM 3
175 #define JIT_INFO_TABLE_FILL_RATIO_DENOM 4
176 #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)
178 #define JIT_INFO_TABLE_LOW_WATERMARK(n) ((n) / 2)
179 #define JIT_INFO_TABLE_HIGH_WATERMARK(n) ((n) * 5 / 6)
181 #define JIT_INFO_TOMBSTONE_MARKER ((MonoMethod*)NULL)
182 #define IS_JIT_INFO_TOMBSTONE(ji) ((ji)->method == JIT_INFO_TOMBSTONE_MARKER)
184 #define JIT_INFO_TABLE_HAZARD_INDEX 0
185 #define JIT_INFO_HAZARD_INDEX 1
188 jit_info_table_num_elements (MonoJitInfoTable *table)
191 int num_elements = 0;
193 for (i = 0; i < table->num_chunks; ++i) {
194 MonoJitInfoTableChunk *chunk = table->chunks [i];
195 int chunk_num_elements = chunk->num_elements;
198 for (j = 0; j < chunk_num_elements; ++j) {
199 if (!IS_JIT_INFO_TOMBSTONE (chunk->data [j]))
207 static MonoJitInfoTableChunk*
208 jit_info_table_new_chunk (void)
210 MonoJitInfoTableChunk *chunk = g_new0 (MonoJitInfoTableChunk, 1);
216 static MonoJitInfoTable *
217 jit_info_table_new (MonoDomain *domain)
219 MonoJitInfoTable *table = g_malloc0 (MONO_SIZEOF_JIT_INFO_TABLE + sizeof (MonoJitInfoTableChunk*));
221 table->domain = domain;
222 table->num_chunks = 1;
223 table->chunks [0] = jit_info_table_new_chunk ();
229 jit_info_table_free (MonoJitInfoTable *table)
232 int num_chunks = table->num_chunks;
233 MonoDomain *domain = table->domain;
235 mono_domain_lock (domain);
237 table->domain->num_jit_info_tables--;
238 if (table->domain->num_jit_info_tables <= 1) {
241 for (list = table->domain->jit_info_free_queue; list; list = list->next)
244 g_slist_free (table->domain->jit_info_free_queue);
245 table->domain->jit_info_free_queue = NULL;
248 /* At this point we assume that there are no other threads
249 still accessing the table, so we don't have to worry about
250 hazardous pointers. */
252 for (i = 0; i < num_chunks; ++i) {
253 MonoJitInfoTableChunk *chunk = table->chunks [i];
257 if (--chunk->refcount > 0)
260 num_elements = chunk->num_elements;
261 for (j = 0; j < num_elements; ++j) {
262 MonoJitInfo *ji = chunk->data [j];
264 if (IS_JIT_INFO_TOMBSTONE (ji))
271 mono_domain_unlock (domain);
276 /* Can be called with hp==NULL, in which case it acts as an ordinary
277 pointer fetch. It's used that way indirectly from
278 mono_jit_info_table_add(), which doesn't have to care about hazards
279 because it holds the respective domain lock. */
281 get_hazardous_pointer (gpointer volatile *pp, MonoThreadHazardPointers *hp, int hazard_index)
286 /* Get the pointer */
288 /* If we don't have hazard pointers just return the
292 /* Make it hazardous */
293 mono_hazard_pointer_set (hp, hazard_index, p);
294 /* Check that it's still the same. If not, try
297 mono_hazard_pointer_clear (hp, hazard_index);
306 /* The jit_info_table is sorted in ascending order by the end
307 * addresses of the compiled methods. The reason why we have to do
308 * this is that once we introduce tombstones, it becomes possible for
309 * code ranges to overlap, and if we sort by code start and insert at
310 * the back of the table, we cannot guarantee that we won't overlook
313 * There are actually two possible ways to do the sorting and
314 * inserting which work with our lock-free mechanism:
316 * 1. Sort by start address and insert at the front. When looking for
317 * an entry, find the last one with a start address lower than the one
318 * you're looking for, then work your way to the front of the table.
320 * 2. Sort by end address and insert at the back. When looking for an
321 * entry, find the first one with an end address higher than the one
322 * you're looking for, then work your way to the end of the table.
324 * We chose the latter out of convenience.
327 jit_info_table_index (MonoJitInfoTable *table, gint8 *addr)
329 int left = 0, right = table->num_chunks;
331 g_assert (left < right);
334 int pos = (left + right) / 2;
335 MonoJitInfoTableChunk *chunk = table->chunks [pos];
337 if (addr < chunk->last_code_end)
341 } while (left < right);
342 g_assert (left == right);
344 if (left >= table->num_chunks)
345 return table->num_chunks - 1;
350 jit_info_table_chunk_index (MonoJitInfoTableChunk *chunk, MonoThreadHazardPointers *hp, gint8 *addr)
352 int left = 0, right = chunk->num_elements;
354 while (left < right) {
355 int pos = (left + right) / 2;
356 MonoJitInfo *ji = get_hazardous_pointer((gpointer volatile*)&chunk->data [pos], hp, JIT_INFO_HAZARD_INDEX);
357 gint8 *code_end = (gint8*)ji->code_start + ji->code_size;
364 g_assert (left == right);
370 mono_jit_info_table_find (MonoDomain *domain, char *addr)
372 MonoJitInfoTable *table;
375 MonoThreadHazardPointers *hp = mono_hazard_pointer_get ();
378 ++mono_stats.jit_info_table_lookup_count;
380 /* First we have to get the domain's jit_info_table. This is
381 complicated by the fact that a writer might substitute a
382 new table and free the old one. What the writer guarantees
383 us is that it looks at the hazard pointers after it has
384 changed the jit_info_table pointer. So, if we guard the
385 table by a hazard pointer and make sure that the pointer is
386 still there after we've made it hazardous, we don't have to
387 worry about the writer freeing the table. */
388 table = get_hazardous_pointer ((gpointer volatile*)&domain->jit_info_table, hp, JIT_INFO_TABLE_HAZARD_INDEX);
390 chunk_pos = jit_info_table_index (table, (gint8*)addr);
391 g_assert (chunk_pos < table->num_chunks);
393 pos = jit_info_table_chunk_index (table->chunks [chunk_pos], hp, (gint8*)addr);
395 /* We now have a position that's very close to that of the
396 first element whose end address is higher than the one
397 we're looking for. If we don't have the exact position,
398 then we have a position below that one, so we'll just
399 search upward until we find our element. */
401 MonoJitInfoTableChunk *chunk = table->chunks [chunk_pos];
403 while (pos < chunk->num_elements) {
404 ji = get_hazardous_pointer ((gpointer volatile*)&chunk->data [pos], hp, JIT_INFO_HAZARD_INDEX);
408 if (IS_JIT_INFO_TOMBSTONE (ji)) {
409 mono_hazard_pointer_clear (hp, JIT_INFO_HAZARD_INDEX);
412 if ((gint8*)addr >= (gint8*)ji->code_start
413 && (gint8*)addr < (gint8*)ji->code_start + ji->code_size) {
414 mono_hazard_pointer_clear (hp, JIT_INFO_TABLE_HAZARD_INDEX);
415 mono_hazard_pointer_clear (hp, JIT_INFO_HAZARD_INDEX);
419 /* If we find a non-tombstone element which is already
420 beyond what we're looking for, we have to end the
422 if ((gint8*)addr < (gint8*)ji->code_start)
428 } while (chunk_pos < table->num_chunks);
434 mono_hazard_pointer_clear (hp, JIT_INFO_TABLE_HAZARD_INDEX);
435 mono_hazard_pointer_clear (hp, JIT_INFO_HAZARD_INDEX);
439 /* Maybe its an AOT module */
440 image = mono_jit_info_find_aot_module ((guint8*)addr);
442 ji = jit_info_find_in_aot_func (domain, image, addr);
447 static G_GNUC_UNUSED void
448 jit_info_table_check (MonoJitInfoTable *table)
452 for (i = 0; i < table->num_chunks; ++i) {
453 MonoJitInfoTableChunk *chunk = table->chunks [i];
456 g_assert (chunk->refcount > 0 /* && chunk->refcount <= 8 */);
457 if (chunk->refcount > 10)
458 printf("warning: chunk refcount is %d\n", chunk->refcount);
459 g_assert (chunk->num_elements <= MONO_JIT_INFO_TABLE_CHUNK_SIZE);
461 for (j = 0; j < chunk->num_elements; ++j) {
462 MonoJitInfo *this = chunk->data [j];
465 g_assert ((gint8*)this->code_start + this->code_size <= chunk->last_code_end);
467 if (j < chunk->num_elements - 1)
468 next = chunk->data [j + 1];
469 else if (i < table->num_chunks - 1) {
472 for (k = i + 1; k < table->num_chunks; ++k)
473 if (table->chunks [k]->num_elements > 0)
476 if (k >= table->num_chunks)
479 g_assert (table->chunks [k]->num_elements > 0);
480 next = table->chunks [k]->data [0];
484 g_assert ((gint8*)this->code_start + this->code_size <= (gint8*)next->code_start + next->code_size);
489 static MonoJitInfoTable*
490 jit_info_table_realloc (MonoJitInfoTable *old)
493 int num_elements = jit_info_table_num_elements (old);
496 int new_chunk, new_element;
497 MonoJitInfoTable *new;
499 /* number of needed places for elements needed */
500 required_size = (int)((long)num_elements * JIT_INFO_TABLE_FILL_RATIO_DENOM / JIT_INFO_TABLE_FILL_RATIO_NOM);
501 num_chunks = (required_size + MONO_JIT_INFO_TABLE_CHUNK_SIZE - 1) / MONO_JIT_INFO_TABLE_CHUNK_SIZE;
503 new = g_malloc (MONO_SIZEOF_JIT_INFO_TABLE + sizeof (MonoJitInfoTableChunk*) * num_chunks);
504 new->domain = old->domain;
505 new->num_chunks = num_chunks;
507 for (i = 0; i < num_chunks; ++i)
508 new->chunks [i] = jit_info_table_new_chunk ();
512 for (i = 0; i < old->num_chunks; ++i) {
513 MonoJitInfoTableChunk *chunk = old->chunks [i];
514 int chunk_num_elements = chunk->num_elements;
517 for (j = 0; j < chunk_num_elements; ++j) {
518 if (!IS_JIT_INFO_TOMBSTONE (chunk->data [j])) {
519 g_assert (new_chunk < num_chunks);
520 new->chunks [new_chunk]->data [new_element] = chunk->data [j];
521 if (++new_element >= JIT_INFO_TABLE_FILLED_NUM_ELEMENTS) {
522 new->chunks [new_chunk]->num_elements = new_element;
530 if (new_chunk < num_chunks) {
531 g_assert (new_chunk == num_chunks - 1);
532 new->chunks [new_chunk]->num_elements = new_element;
533 g_assert (new->chunks [new_chunk]->num_elements > 0);
536 for (i = 0; i < num_chunks; ++i) {
537 MonoJitInfoTableChunk *chunk = new->chunks [i];
538 MonoJitInfo *ji = chunk->data [chunk->num_elements - 1];
540 new->chunks [i]->last_code_end = (gint8*)ji->code_start + ji->code_size;
547 jit_info_table_split_chunk (MonoJitInfoTableChunk *chunk, MonoJitInfoTableChunk **new1p, MonoJitInfoTableChunk **new2p)
549 MonoJitInfoTableChunk *new1 = jit_info_table_new_chunk ();
550 MonoJitInfoTableChunk *new2 = jit_info_table_new_chunk ();
552 g_assert (chunk->num_elements == MONO_JIT_INFO_TABLE_CHUNK_SIZE);
554 new1->num_elements = MONO_JIT_INFO_TABLE_CHUNK_SIZE / 2;
555 new2->num_elements = MONO_JIT_INFO_TABLE_CHUNK_SIZE - new1->num_elements;
557 memcpy ((void*)new1->data, (void*)chunk->data, sizeof (MonoJitInfo*) * new1->num_elements);
558 memcpy ((void*)new2->data, (void*)(chunk->data + new1->num_elements), sizeof (MonoJitInfo*) * new2->num_elements);
560 new1->last_code_end = (gint8*)new1->data [new1->num_elements - 1]->code_start
561 + new1->data [new1->num_elements - 1]->code_size;
562 new2->last_code_end = (gint8*)new2->data [new2->num_elements - 1]->code_start
563 + new2->data [new2->num_elements - 1]->code_size;
569 static MonoJitInfoTable*
570 jit_info_table_copy_and_split_chunk (MonoJitInfoTable *table, MonoJitInfoTableChunk *chunk)
572 MonoJitInfoTable *new_table = g_malloc (MONO_SIZEOF_JIT_INFO_TABLE
573 + sizeof (MonoJitInfoTableChunk*) * (table->num_chunks + 1));
576 new_table->domain = table->domain;
577 new_table->num_chunks = table->num_chunks + 1;
580 for (i = 0; i < table->num_chunks; ++i) {
581 if (table->chunks [i] == chunk) {
582 jit_info_table_split_chunk (chunk, &new_table->chunks [j], &new_table->chunks [j + 1]);
585 new_table->chunks [j] = table->chunks [i];
586 ++new_table->chunks [j]->refcount;
591 g_assert (j == new_table->num_chunks);
596 static MonoJitInfoTableChunk*
597 jit_info_table_purify_chunk (MonoJitInfoTableChunk *old)
599 MonoJitInfoTableChunk *new = jit_info_table_new_chunk ();
603 for (i = 0; i < old->num_elements; ++i) {
604 if (!IS_JIT_INFO_TOMBSTONE (old->data [i]))
605 new->data [j++] = old->data [i];
608 new->num_elements = j;
609 if (new->num_elements > 0)
610 new->last_code_end = (gint8*)new->data [j - 1]->code_start + new->data [j - 1]->code_size;
612 new->last_code_end = old->last_code_end;
617 static MonoJitInfoTable*
618 jit_info_table_copy_and_purify_chunk (MonoJitInfoTable *table, MonoJitInfoTableChunk *chunk)
620 MonoJitInfoTable *new_table = g_malloc (MONO_SIZEOF_JIT_INFO_TABLE
621 + sizeof (MonoJitInfoTableChunk*) * table->num_chunks);
624 new_table->domain = table->domain;
625 new_table->num_chunks = table->num_chunks;
628 for (i = 0; i < table->num_chunks; ++i) {
629 if (table->chunks [i] == chunk)
630 new_table->chunks [j++] = jit_info_table_purify_chunk (table->chunks [i]);
632 new_table->chunks [j] = table->chunks [i];
633 ++new_table->chunks [j]->refcount;
638 g_assert (j == new_table->num_chunks);
643 /* As we add an element to the table the case can arise that the chunk
644 * to which we need to add is already full. In that case we have to
645 * allocate a new table and do something about that chunk. We have
646 * several strategies:
648 * If the number of elements in the table is below the low watermark
649 * or above the high watermark, we reallocate the whole table.
650 * Otherwise we only concern ourselves with the overflowing chunk:
652 * If there are no tombstones in the chunk then we split the chunk in
653 * two, each half full.
655 * If the chunk does contain tombstones, we just make a new copy of
656 * the chunk without the tombstones, which will have room for at least
657 * the one element we have to add.
659 static MonoJitInfoTable*
660 jit_info_table_chunk_overflow (MonoJitInfoTable *table, MonoJitInfoTableChunk *chunk)
662 int num_elements = jit_info_table_num_elements (table);
665 if (num_elements < JIT_INFO_TABLE_LOW_WATERMARK (table->num_chunks * MONO_JIT_INFO_TABLE_CHUNK_SIZE)
666 || num_elements > JIT_INFO_TABLE_HIGH_WATERMARK (table->num_chunks * MONO_JIT_INFO_TABLE_CHUNK_SIZE)) {
667 //printf ("reallocing table\n");
668 return jit_info_table_realloc (table);
671 /* count the number of non-tombstone elements in the chunk */
673 for (i = 0; i < chunk->num_elements; ++i) {
674 if (!IS_JIT_INFO_TOMBSTONE (chunk->data [i]))
678 if (num_elements == MONO_JIT_INFO_TABLE_CHUNK_SIZE) {
679 //printf ("splitting chunk\n");
680 return jit_info_table_copy_and_split_chunk (table, chunk);
683 //printf ("purifying chunk\n");
684 return jit_info_table_copy_and_purify_chunk (table, chunk);
687 /* We add elements to the table by first making space for them by
688 * shifting the elements at the back to the right, one at a time.
689 * This results in duplicate entries during the process, but during
690 * all the time the table is in a sorted state. Also, when an element
691 * is replaced by another one, the element that replaces it has an end
692 * address that is equal to or lower than that of the replaced
693 * element. That property is necessary to guarantee that when
694 * searching for an element we end up at a position not higher than
695 * the one we're looking for (i.e. we either find the element directly
696 * or we end up to the left of it).
699 mono_jit_info_table_add (MonoDomain *domain, MonoJitInfo *ji)
701 MonoJitInfoTable *table;
703 MonoJitInfoTableChunk *chunk;
707 g_assert (ji->method != NULL);
709 mono_domain_lock (domain);
711 ++mono_stats.jit_info_table_insert_count;
713 table = domain->jit_info_table;
716 chunk_pos = jit_info_table_index (table, (gint8*)ji->code_start + ji->code_size);
717 g_assert (chunk_pos < table->num_chunks);
718 chunk = table->chunks [chunk_pos];
720 if (chunk->num_elements >= MONO_JIT_INFO_TABLE_CHUNK_SIZE) {
721 MonoJitInfoTable *new_table = jit_info_table_chunk_overflow (table, chunk);
723 /* Debugging code, should be removed. */
724 //jit_info_table_check (new_table);
726 domain->jit_info_table = new_table;
727 mono_memory_barrier ();
728 domain->num_jit_info_tables++;
729 mono_thread_hazardous_free_or_queue (table, (MonoHazardousFreeFunc)jit_info_table_free);
735 /* Debugging code, should be removed. */
736 //jit_info_table_check (table);
738 num_elements = chunk->num_elements;
740 pos = jit_info_table_chunk_index (chunk, NULL, (gint8*)ji->code_start + ji->code_size);
742 /* First we need to size up the chunk by one, by copying the
743 last item, or inserting the first one, if the table is
745 if (num_elements > 0)
746 chunk->data [num_elements] = chunk->data [num_elements - 1];
748 chunk->data [0] = ji;
749 mono_memory_write_barrier ();
750 chunk->num_elements = ++num_elements;
752 /* Shift the elements up one by one. */
753 for (i = num_elements - 2; i >= pos; --i) {
754 mono_memory_write_barrier ();
755 chunk->data [i + 1] = chunk->data [i];
758 /* Now we have room and can insert the new item. */
759 mono_memory_write_barrier ();
760 chunk->data [pos] = ji;
762 /* Set the high code end address chunk entry. */
763 chunk->last_code_end = (gint8*)chunk->data [chunk->num_elements - 1]->code_start
764 + chunk->data [chunk->num_elements - 1]->code_size;
766 /* Debugging code, should be removed. */
767 //jit_info_table_check (table);
769 mono_domain_unlock (domain);
773 mono_jit_info_make_tombstone (MonoJitInfo *ji)
775 MonoJitInfo *tombstone = g_new0 (MonoJitInfo, 1);
777 tombstone->code_start = ji->code_start;
778 tombstone->code_size = ji->code_size;
779 tombstone->method = JIT_INFO_TOMBSTONE_MARKER;
785 * LOCKING: domain lock
788 mono_jit_info_free_or_queue (MonoDomain *domain, MonoJitInfo *ji)
790 if (domain->num_jit_info_tables <= 1) {
791 /* Can it actually happen that we only have one table
792 but ji is still hazardous? */
793 mono_thread_hazardous_free_or_queue (ji, g_free);
795 domain->jit_info_free_queue = g_slist_prepend (domain->jit_info_free_queue, ji);
800 mono_jit_info_table_remove (MonoDomain *domain, MonoJitInfo *ji)
802 MonoJitInfoTable *table;
803 MonoJitInfoTableChunk *chunk;
804 gpointer start = ji->code_start;
807 mono_domain_lock (domain);
808 table = domain->jit_info_table;
810 ++mono_stats.jit_info_table_remove_count;
812 chunk_pos = jit_info_table_index (table, start);
813 g_assert (chunk_pos < table->num_chunks);
815 pos = jit_info_table_chunk_index (table->chunks [chunk_pos], NULL, start);
818 chunk = table->chunks [chunk_pos];
820 while (pos < chunk->num_elements) {
821 if (chunk->data [pos] == ji)
824 g_assert (IS_JIT_INFO_TOMBSTONE (chunk->data [pos]));
825 g_assert ((guint8*)chunk->data [pos]->code_start + chunk->data [pos]->code_size
826 <= (guint8*)ji->code_start + ji->code_size);
833 } while (chunk_pos < table->num_chunks);
836 g_assert (chunk->data [pos] == ji);
838 chunk->data [pos] = mono_jit_info_make_tombstone (ji);
840 /* Debugging code, should be removed. */
841 //jit_info_table_check (table);
843 mono_jit_info_free_or_queue (domain, ji);
845 mono_domain_unlock (domain);
848 static MonoAotModuleInfoTable*
849 mono_aot_module_info_table_new (void)
851 return g_array_new (FALSE, FALSE, sizeof (gpointer));
855 aot_info_table_index (MonoAotModuleInfoTable *table, char *addr)
857 int left = 0, right = table->len;
859 while (left < right) {
860 int pos = (left + right) / 2;
861 AotModuleInfo *ainfo = g_array_index (table, gpointer, pos);
862 char *start = ainfo->start;
863 char *end = ainfo->end;
867 else if (addr >= end)
877 mono_jit_info_add_aot_module (MonoImage *image, gpointer start, gpointer end)
879 AotModuleInfo *ainfo = g_new0 (AotModuleInfo, 1);
882 ainfo->image = image;
883 ainfo->start = start;
886 mono_appdomains_lock ();
889 aot_modules = mono_aot_module_info_table_new ();
891 pos = aot_info_table_index (aot_modules, start);
893 g_array_insert_val (aot_modules, pos, ainfo);
895 mono_appdomains_unlock ();
899 mono_jit_info_find_aot_module (guint8* addr)
901 guint left = 0, right;
906 mono_appdomains_lock ();
908 right = aot_modules->len;
909 while (left < right) {
910 guint pos = (left + right) / 2;
911 AotModuleInfo *ai = g_array_index (aot_modules, gpointer, pos);
913 if (addr < (guint8*)ai->start)
915 else if (addr >= (guint8*)ai->end)
918 mono_appdomains_unlock ();
923 mono_appdomains_unlock ();
929 mono_install_jit_info_find_in_aot (MonoJitInfoFindInAot func)
931 jit_info_find_in_aot_func = func;
935 mono_jit_info_get_code_start (MonoJitInfo* ji)
937 return ji->code_start;
941 mono_jit_info_get_code_size (MonoJitInfo* ji)
943 return ji->code_size;
947 mono_jit_info_get_method (MonoJitInfo* ji)
953 jit_info_key_extract (gpointer value)
955 MonoJitInfo *info = (MonoJitInfo*)value;
961 jit_info_next_value (gpointer value)
963 MonoJitInfo *info = (MonoJitInfo*)value;
965 return (gpointer*)&info->next_jit_code_hash;
969 mono_jit_code_hash_init (MonoInternalHashTable *jit_code_hash)
971 mono_internal_hash_table_init (jit_code_hash,
972 mono_aligned_addr_hash,
973 jit_info_key_extract,
974 jit_info_next_value);
978 mono_jit_info_get_generic_jit_info (MonoJitInfo *ji)
980 if (ji->has_generic_jit_info)
981 return (MonoGenericJitInfo*)&ji->clauses [ji->num_clauses];
987 * mono_jit_info_get_generic_sharing_context:
990 * Returns the jit info's generic sharing context, or NULL if it
993 MonoGenericSharingContext*
994 mono_jit_info_get_generic_sharing_context (MonoJitInfo *ji)
996 MonoGenericJitInfo *gi = mono_jit_info_get_generic_jit_info (ji);
999 return gi->generic_sharing_context;
1005 * mono_jit_info_set_generic_sharing_context:
1007 * @gsctx: a generic sharing context
1009 * Sets the jit info's generic sharing context. The jit info must
1010 * have memory allocated for the context.
1013 mono_jit_info_set_generic_sharing_context (MonoJitInfo *ji, MonoGenericSharingContext *gsctx)
1015 MonoGenericJitInfo *gi = mono_jit_info_get_generic_jit_info (ji);
1019 gi->generic_sharing_context = gsctx;
1022 MonoTryBlockHoleTableJitInfo*
1023 mono_jit_info_get_try_block_hole_table_info (MonoJitInfo *ji)
1025 if (ji->has_try_block_holes) {
1026 char *ptr = (char*)&ji->clauses [ji->num_clauses];
1027 if (ji->has_generic_jit_info)
1028 ptr += sizeof (MonoGenericJitInfo);
1029 return (MonoTryBlockHoleTableJitInfo*)ptr;
1035 mono_install_create_domain_hook (MonoCreateDomainFunc func)
1037 create_domain_hook = func;
1041 mono_install_free_domain_hook (MonoFreeDomainFunc func)
1043 free_domain_hook = func;
1047 * mono_string_equal:
1048 * @s1: First string to compare
1049 * @s2: Second string to compare
1051 * Returns FALSE if the strings differ.
1054 mono_string_equal (MonoString *s1, MonoString *s2)
1056 int l1 = mono_string_length (s1);
1057 int l2 = mono_string_length (s2);
1064 return memcmp (mono_string_chars (s1), mono_string_chars (s2), l1 * 2) == 0;
1069 * @s: the string to hash
1071 * Returns the hash for the string.
1074 mono_string_hash (MonoString *s)
1076 const guint16 *p = mono_string_chars (s);
1077 int i, len = mono_string_length (s);
1080 for (i = 0; i < len; i++) {
1081 h = (h << 5) - h + *p;
1089 mono_ptrarray_equal (gpointer *s1, gpointer *s2)
1091 int len = GPOINTER_TO_INT (s1 [0]);
1092 if (len != GPOINTER_TO_INT (s2 [0]))
1095 return memcmp (s1 + 1, s2 + 1, len * sizeof(gpointer)) == 0;
1099 mono_ptrarray_hash (gpointer *s)
1102 int len = GPOINTER_TO_INT (s [0]);
1105 for (i = 1; i < len; i++)
1106 hash += GPOINTER_TO_UINT (s [i]);
1112 * Allocate an id for domain and set domain->domain_id.
1113 * LOCKING: must be called while holding appdomains_mutex.
1114 * We try to assign low numbers to the domain, so it can be used
1115 * as an index in data tables to lookup domain-specific info
1116 * with minimal memory overhead. We also try not to reuse the
1117 * same id too quickly (to help debugging).
1120 domain_id_alloc (MonoDomain *domain)
1123 if (!appdomains_list) {
1124 appdomain_list_size = 2;
1125 appdomains_list = mono_gc_alloc_fixed (appdomain_list_size * sizeof (void*), NULL);
1127 for (i = appdomain_next; i < appdomain_list_size; ++i) {
1128 if (!appdomains_list [i]) {
1134 for (i = 0; i < appdomain_next; ++i) {
1135 if (!appdomains_list [i]) {
1142 MonoDomain **new_list;
1143 int new_size = appdomain_list_size * 2;
1144 if (new_size >= (1 << 16))
1145 g_assert_not_reached ();
1146 id = appdomain_list_size;
1147 new_list = mono_gc_alloc_fixed (new_size * sizeof (void*), NULL);
1148 memcpy (new_list, appdomains_list, appdomain_list_size * sizeof (void*));
1149 mono_gc_free_fixed (appdomains_list);
1150 appdomains_list = new_list;
1151 appdomain_list_size = new_size;
1153 domain->domain_id = id;
1154 appdomains_list [id] = domain;
1156 if (appdomain_next > appdomain_list_size)
1161 static gsize domain_gc_bitmap [sizeof(MonoDomain)/4/32 + 1];
1162 static gpointer domain_gc_desc = NULL;
1163 static guint32 domain_shadow_serial = 0L;
1166 mono_domain_create (void)
1169 guint32 shadow_serial;
1171 mono_appdomains_lock ();
1172 shadow_serial = domain_shadow_serial++;
1174 if (!domain_gc_desc) {
1175 unsigned int i, bit = 0;
1176 for (i = G_STRUCT_OFFSET (MonoDomain, MONO_DOMAIN_FIRST_OBJECT); i < G_STRUCT_OFFSET (MonoDomain, MONO_DOMAIN_FIRST_GC_TRACKED); i += sizeof (gpointer)) {
1177 bit = i / sizeof (gpointer);
1178 domain_gc_bitmap [bit / 32] |= (gsize) 1 << (bit % 32);
1180 domain_gc_desc = mono_gc_make_descr_from_bitmap ((gsize*)domain_gc_bitmap, bit + 1);
1182 mono_appdomains_unlock ();
1184 domain = mono_gc_alloc_fixed (sizeof (MonoDomain), domain_gc_desc);
1185 domain->shadow_serial = shadow_serial;
1186 domain->domain = NULL;
1187 domain->setup = NULL;
1188 domain->friendly_name = NULL;
1189 domain->search_path = NULL;
1191 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);
1193 mono_profiler_appdomain_event (domain, MONO_PROFILE_START_LOAD);
1195 domain->mp = mono_mempool_new ();
1196 domain->code_mp = mono_code_manager_new ();
1197 domain->env = mono_g_hash_table_new_type ((GHashFunc)mono_string_hash, (GCompareFunc)mono_string_equal, MONO_HASH_KEY_VALUE_GC);
1198 domain->domain_assemblies = NULL;
1199 domain->assembly_bindings = NULL;
1200 domain->assembly_bindings_parsed = FALSE;
1201 domain->class_vtable_array = g_ptr_array_new ();
1202 domain->proxy_vtable_hash = g_hash_table_new ((GHashFunc)mono_ptrarray_hash, (GCompareFunc)mono_ptrarray_equal);
1203 domain->static_data_array = NULL;
1204 mono_jit_code_hash_init (&domain->jit_code_hash);
1205 domain->ldstr_table = mono_g_hash_table_new_type ((GHashFunc)mono_string_hash, (GCompareFunc)mono_string_equal, MONO_HASH_KEY_VALUE_GC);
1206 domain->num_jit_info_tables = 1;
1207 domain->jit_info_table = jit_info_table_new (domain);
1208 domain->jit_info_free_queue = NULL;
1209 domain->finalizable_objects_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
1210 #ifndef HAVE_SGEN_GC
1211 domain->track_resurrection_handles_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
1214 InitializeCriticalSection (&domain->lock);
1215 InitializeCriticalSection (&domain->assemblies_lock);
1216 InitializeCriticalSection (&domain->jit_code_hash_lock);
1217 InitializeCriticalSection (&domain->finalizable_objects_hash_lock);
1219 domain->method_rgctx_hash = NULL;
1221 mono_appdomains_lock ();
1222 domain_id_alloc (domain);
1223 mono_appdomains_unlock ();
1225 mono_perfcounters->loader_appdomains++;
1226 mono_perfcounters->loader_total_appdomains++;
1228 mono_debug_domain_create (domain);
1230 if (create_domain_hook)
1231 create_domain_hook (domain);
1233 mono_profiler_appdomain_loaded (domain, MONO_PROFILE_OK);
1239 * mono_init_internal:
1241 * Creates the initial application domain and initializes the mono_defaults
1243 * This function is guaranteed to not run any IL code.
1244 * If exe_filename is not NULL, the method will determine the required runtime
1245 * from the exe configuration file or the version PE field.
1246 * If runtime_version is not NULL, that runtime version will be used.
1247 * Either exe_filename or runtime_version must be provided.
1249 * Returns: the initial domain.
1252 mono_init_internal (const char *filename, const char *exe_filename, const char *runtime_version)
1254 static MonoDomain *domain = NULL;
1255 MonoAssembly *ass = NULL;
1256 MonoImageOpenStatus status = MONO_IMAGE_OK;
1257 const MonoRuntimeInfo* runtimes [G_N_ELEMENTS (supported_runtimes) + 1];
1261 g_assert_not_reached ();
1264 /* Avoid system error message boxes. */
1265 SetErrorMode (SEM_FAILCRITICALERRORS | SEM_NOOPENFILEERRORBOX);
1267 mono_load_coree (exe_filename);
1270 mono_perfcounters_init ();
1272 mono_counters_register ("Max native code in a domain", MONO_COUNTER_INT|MONO_COUNTER_JIT, &max_domain_code_size);
1273 mono_counters_register ("Max code space allocated in a domain", MONO_COUNTER_INT|MONO_COUNTER_JIT, &max_domain_code_alloc);
1274 mono_counters_register ("Total code space allocated", MONO_COUNTER_INT|MONO_COUNTER_JIT, &total_domain_code_alloc);
1276 mono_gc_base_init ();
1278 appdomain_thread_id = TlsAlloc ();
1280 InitializeCriticalSection (&appdomains_mutex);
1282 mono_metadata_init ();
1283 mono_images_init ();
1284 mono_assemblies_init ();
1285 mono_classes_init ();
1286 mono_loader_init ();
1287 mono_reflection_init ();
1289 /* FIXME: When should we release this memory? */
1290 MONO_GC_REGISTER_ROOT (appdomains_list);
1292 domain = mono_domain_create ();
1293 mono_root_domain = domain;
1295 SET_APPDOMAIN (domain);
1297 /* Get a list of runtimes supported by the exe */
1298 if (exe_filename != NULL) {
1300 * This function will load the exe file as a MonoImage. We need to close it, but
1301 * that would mean it would be reloaded later. So instead, we save it to
1302 * exe_image, and close it during shutdown.
1304 get_runtimes_from_exe (exe_filename, &exe_image, runtimes);
1307 exe_image = mono_assembly_open_from_bundle (exe_filename, NULL, FALSE);
1309 exe_image = mono_image_open (exe_filename, NULL);
1311 mono_fixup_exe_image (exe_image);
1313 } else if (runtime_version != NULL) {
1314 runtimes [0] = get_runtime_by_version (runtime_version);
1315 runtimes [1] = NULL;
1318 if (runtimes [0] == NULL) {
1319 const MonoRuntimeInfo *default_runtime = get_runtime_by_version (DEFAULT_RUNTIME_VERSION);
1320 runtimes [0] = default_runtime;
1321 runtimes [1] = NULL;
1322 g_print ("WARNING: The runtime version supported by this application is unavailable.\n");
1323 g_print ("Using default runtime: %s\n", default_runtime->runtime_version);
1326 /* The selected runtime will be the first one for which there is a mscrolib.dll */
1327 for (n = 0; runtimes [n] != NULL && ass == NULL; n++) {
1328 current_runtime = runtimes [n];
1329 ass = mono_assembly_load_corlib (current_runtime, &status);
1330 if (status != MONO_IMAGE_OK && status != MONO_IMAGE_ERROR_ERRNO)
1335 if ((status != MONO_IMAGE_OK) || (ass == NULL)) {
1337 case MONO_IMAGE_ERROR_ERRNO: {
1338 char *corlib_file = g_build_filename (mono_assembly_getrootdir (), "mono", current_runtime->framework_version, "mscorlib.dll", NULL);
1339 g_print ("The assembly mscorlib.dll was not found or could not be loaded.\n");
1340 g_print ("It should have been installed in the `%s' directory.\n", corlib_file);
1341 g_free (corlib_file);
1344 case MONO_IMAGE_IMAGE_INVALID:
1345 g_print ("The file %s/mscorlib.dll is an invalid CIL image\n",
1346 mono_assembly_getrootdir ());
1348 case MONO_IMAGE_MISSING_ASSEMBLYREF:
1349 g_print ("Missing assembly reference in %s/mscorlib.dll\n",
1350 mono_assembly_getrootdir ());
1353 /* to suppress compiler warning */
1359 mono_defaults.corlib = mono_assembly_get_image (ass);
1361 mono_defaults.object_class = mono_class_from_name (
1362 mono_defaults.corlib, "System", "Object");
1363 g_assert (mono_defaults.object_class != 0);
1365 mono_defaults.void_class = mono_class_from_name (
1366 mono_defaults.corlib, "System", "Void");
1367 g_assert (mono_defaults.void_class != 0);
1369 mono_defaults.boolean_class = mono_class_from_name (
1370 mono_defaults.corlib, "System", "Boolean");
1371 g_assert (mono_defaults.boolean_class != 0);
1373 mono_defaults.byte_class = mono_class_from_name (
1374 mono_defaults.corlib, "System", "Byte");
1375 g_assert (mono_defaults.byte_class != 0);
1377 mono_defaults.sbyte_class = mono_class_from_name (
1378 mono_defaults.corlib, "System", "SByte");
1379 g_assert (mono_defaults.sbyte_class != 0);
1381 mono_defaults.int16_class = mono_class_from_name (
1382 mono_defaults.corlib, "System", "Int16");
1383 g_assert (mono_defaults.int16_class != 0);
1385 mono_defaults.uint16_class = mono_class_from_name (
1386 mono_defaults.corlib, "System", "UInt16");
1387 g_assert (mono_defaults.uint16_class != 0);
1389 mono_defaults.int32_class = mono_class_from_name (
1390 mono_defaults.corlib, "System", "Int32");
1391 g_assert (mono_defaults.int32_class != 0);
1393 mono_defaults.uint32_class = mono_class_from_name (
1394 mono_defaults.corlib, "System", "UInt32");
1395 g_assert (mono_defaults.uint32_class != 0);
1397 mono_defaults.uint_class = mono_class_from_name (
1398 mono_defaults.corlib, "System", "UIntPtr");
1399 g_assert (mono_defaults.uint_class != 0);
1401 mono_defaults.int_class = mono_class_from_name (
1402 mono_defaults.corlib, "System", "IntPtr");
1403 g_assert (mono_defaults.int_class != 0);
1405 mono_defaults.int64_class = mono_class_from_name (
1406 mono_defaults.corlib, "System", "Int64");
1407 g_assert (mono_defaults.int64_class != 0);
1409 mono_defaults.uint64_class = mono_class_from_name (
1410 mono_defaults.corlib, "System", "UInt64");
1411 g_assert (mono_defaults.uint64_class != 0);
1413 mono_defaults.single_class = mono_class_from_name (
1414 mono_defaults.corlib, "System", "Single");
1415 g_assert (mono_defaults.single_class != 0);
1417 mono_defaults.double_class = mono_class_from_name (
1418 mono_defaults.corlib, "System", "Double");
1419 g_assert (mono_defaults.double_class != 0);
1421 mono_defaults.char_class = mono_class_from_name (
1422 mono_defaults.corlib, "System", "Char");
1423 g_assert (mono_defaults.char_class != 0);
1425 mono_defaults.string_class = mono_class_from_name (
1426 mono_defaults.corlib, "System", "String");
1427 g_assert (mono_defaults.string_class != 0);
1429 mono_defaults.enum_class = mono_class_from_name (
1430 mono_defaults.corlib, "System", "Enum");
1431 g_assert (mono_defaults.enum_class != 0);
1433 mono_defaults.array_class = mono_class_from_name (
1434 mono_defaults.corlib, "System", "Array");
1435 g_assert (mono_defaults.array_class != 0);
1437 mono_defaults.delegate_class = mono_class_from_name (
1438 mono_defaults.corlib, "System", "Delegate");
1439 g_assert (mono_defaults.delegate_class != 0 );
1441 mono_defaults.multicastdelegate_class = mono_class_from_name (
1442 mono_defaults.corlib, "System", "MulticastDelegate");
1443 g_assert (mono_defaults.multicastdelegate_class != 0 );
1445 mono_defaults.asyncresult_class = mono_class_from_name (
1446 mono_defaults.corlib, "System.Runtime.Remoting.Messaging",
1448 g_assert (mono_defaults.asyncresult_class != 0 );
1450 mono_defaults.manualresetevent_class = mono_class_from_name (
1451 mono_defaults.corlib, "System.Threading", "ManualResetEvent");
1452 g_assert (mono_defaults.manualresetevent_class != 0 );
1454 mono_defaults.typehandle_class = mono_class_from_name (
1455 mono_defaults.corlib, "System", "RuntimeTypeHandle");
1456 g_assert (mono_defaults.typehandle_class != 0);
1458 mono_defaults.methodhandle_class = mono_class_from_name (
1459 mono_defaults.corlib, "System", "RuntimeMethodHandle");
1460 g_assert (mono_defaults.methodhandle_class != 0);
1462 mono_defaults.fieldhandle_class = mono_class_from_name (
1463 mono_defaults.corlib, "System", "RuntimeFieldHandle");
1464 g_assert (mono_defaults.fieldhandle_class != 0);
1466 mono_defaults.systemtype_class = mono_class_from_name (
1467 mono_defaults.corlib, "System", "Type");
1468 g_assert (mono_defaults.systemtype_class != 0);
1470 mono_defaults.monotype_class = mono_class_from_name (
1471 mono_defaults.corlib, "System", "MonoType");
1472 g_assert (mono_defaults.monotype_class != 0);
1474 mono_defaults.exception_class = mono_class_from_name (
1475 mono_defaults.corlib, "System", "Exception");
1476 g_assert (mono_defaults.exception_class != 0);
1478 mono_defaults.threadabortexception_class = mono_class_from_name (
1479 mono_defaults.corlib, "System.Threading", "ThreadAbortException");
1480 g_assert (mono_defaults.threadabortexception_class != 0);
1482 mono_defaults.thread_class = mono_class_from_name (
1483 mono_defaults.corlib, "System.Threading", "Thread");
1484 g_assert (mono_defaults.thread_class != 0);
1486 mono_defaults.internal_thread_class = mono_class_from_name (
1487 mono_defaults.corlib, "System.Threading", "InternalThread");
1488 if (!mono_defaults.internal_thread_class) {
1489 /* This can happen with an old mscorlib */
1490 fprintf (stderr, "Corlib too old for this runtime.\n");
1491 fprintf (stderr, "Loaded from: %s\n",
1492 mono_defaults.corlib? mono_image_get_filename (mono_defaults.corlib): "unknown");
1496 mono_defaults.appdomain_class = mono_class_from_name (
1497 mono_defaults.corlib, "System", "AppDomain");
1498 g_assert (mono_defaults.appdomain_class != 0);
1500 mono_defaults.transparent_proxy_class = mono_class_from_name (
1501 mono_defaults.corlib, "System.Runtime.Remoting.Proxies", "TransparentProxy");
1502 g_assert (mono_defaults.transparent_proxy_class != 0);
1504 mono_defaults.real_proxy_class = mono_class_from_name (
1505 mono_defaults.corlib, "System.Runtime.Remoting.Proxies", "RealProxy");
1506 g_assert (mono_defaults.real_proxy_class != 0);
1508 mono_defaults.mono_method_message_class = mono_class_from_name (
1509 mono_defaults.corlib, "System.Runtime.Remoting.Messaging", "MonoMethodMessage");
1510 g_assert (mono_defaults.mono_method_message_class != 0);
1512 mono_defaults.field_info_class = mono_class_from_name (
1513 mono_defaults.corlib, "System.Reflection", "FieldInfo");
1514 g_assert (mono_defaults.field_info_class != 0);
1516 mono_defaults.method_info_class = mono_class_from_name (
1517 mono_defaults.corlib, "System.Reflection", "MethodInfo");
1518 g_assert (mono_defaults.method_info_class != 0);
1520 mono_defaults.stringbuilder_class = mono_class_from_name (
1521 mono_defaults.corlib, "System.Text", "StringBuilder");
1522 g_assert (mono_defaults.stringbuilder_class != 0);
1524 mono_defaults.math_class = mono_class_from_name (
1525 mono_defaults.corlib, "System", "Math");
1526 g_assert (mono_defaults.math_class != 0);
1528 mono_defaults.stack_frame_class = mono_class_from_name (
1529 mono_defaults.corlib, "System.Diagnostics", "StackFrame");
1530 g_assert (mono_defaults.stack_frame_class != 0);
1532 mono_defaults.stack_trace_class = mono_class_from_name (
1533 mono_defaults.corlib, "System.Diagnostics", "StackTrace");
1534 g_assert (mono_defaults.stack_trace_class != 0);
1536 mono_defaults.marshal_class = mono_class_from_name (
1537 mono_defaults.corlib, "System.Runtime.InteropServices", "Marshal");
1538 g_assert (mono_defaults.marshal_class != 0);
1540 mono_defaults.iserializeable_class = mono_class_from_name (
1541 mono_defaults.corlib, "System.Runtime.Serialization", "ISerializable");
1542 g_assert (mono_defaults.iserializeable_class != 0);
1544 mono_defaults.serializationinfo_class = mono_class_from_name (
1545 mono_defaults.corlib, "System.Runtime.Serialization", "SerializationInfo");
1546 g_assert (mono_defaults.serializationinfo_class != 0);
1548 mono_defaults.streamingcontext_class = mono_class_from_name (
1549 mono_defaults.corlib, "System.Runtime.Serialization", "StreamingContext");
1550 g_assert (mono_defaults.streamingcontext_class != 0);
1552 mono_defaults.typed_reference_class = mono_class_from_name (
1553 mono_defaults.corlib, "System", "TypedReference");
1554 g_assert (mono_defaults.typed_reference_class != 0);
1556 mono_defaults.argumenthandle_class = mono_class_from_name (
1557 mono_defaults.corlib, "System", "RuntimeArgumentHandle");
1558 g_assert (mono_defaults.argumenthandle_class != 0);
1560 mono_defaults.marshalbyrefobject_class = mono_class_from_name (
1561 mono_defaults.corlib, "System", "MarshalByRefObject");
1562 g_assert (mono_defaults.marshalbyrefobject_class != 0);
1564 mono_defaults.monitor_class = mono_class_from_name (
1565 mono_defaults.corlib, "System.Threading", "Monitor");
1566 g_assert (mono_defaults.monitor_class != 0);
1568 mono_defaults.iremotingtypeinfo_class = mono_class_from_name (
1569 mono_defaults.corlib, "System.Runtime.Remoting", "IRemotingTypeInfo");
1570 g_assert (mono_defaults.iremotingtypeinfo_class != 0);
1572 mono_defaults.runtimesecurityframe_class = mono_class_from_name (
1573 mono_defaults.corlib, "System.Security", "RuntimeSecurityFrame");
1575 mono_defaults.executioncontext_class = mono_class_from_name (
1576 mono_defaults.corlib, "System.Threading", "ExecutionContext");
1578 mono_defaults.internals_visible_class = mono_class_from_name (
1579 mono_defaults.corlib, "System.Runtime.CompilerServices", "InternalsVisibleToAttribute");
1581 mono_defaults.critical_finalizer_object = mono_class_from_name (
1582 mono_defaults.corlib, "System.Runtime.ConstrainedExecution", "CriticalFinalizerObject");
1585 * mscorlib needs a little help, only now it can load its friends list (after we have
1586 * loaded the InternalsVisibleToAttribute), load it now
1588 mono_assembly_load_friends (ass);
1590 mono_defaults.safehandle_class = mono_class_from_name (
1591 mono_defaults.corlib, "System.Runtime.InteropServices", "SafeHandle");
1593 mono_defaults.handleref_class = mono_class_from_name (
1594 mono_defaults.corlib, "System.Runtime.InteropServices", "HandleRef");
1596 mono_defaults.attribute_class = mono_class_from_name (
1597 mono_defaults.corlib, "System", "Attribute");
1599 mono_defaults.customattribute_data_class = mono_class_from_name (
1600 mono_defaults.corlib, "System.Reflection", "CustomAttributeData");
1602 /* these are initialized lazily when COM features are used */
1603 mono_defaults.variant_class = NULL;
1604 mono_defaults.com_object_class = NULL;
1605 mono_defaults.com_interop_proxy_class = NULL;
1606 mono_defaults.iunknown_class = NULL;
1607 mono_defaults.idispatch_class = NULL;
1610 * Note that mono_defaults.generic_*_class is only non-NULL if we're
1611 * using the 2.0 corlib.
1613 mono_class_init (mono_defaults.array_class);
1614 mono_defaults.generic_nullable_class = mono_class_from_name (
1615 mono_defaults.corlib, "System", "Nullable`1");
1616 mono_defaults.generic_ilist_class = mono_class_from_name (
1617 mono_defaults.corlib, "System.Collections.Generic", "IList`1");
1619 domain->friendly_name = g_path_get_basename (filename);
1621 _mono_debug_init_corlib (domain);
1629 * Creates the initial application domain and initializes the mono_defaults
1631 * This function is guaranteed to not run any IL code.
1632 * The runtime is initialized using the default runtime version.
1634 * Returns: the initial domain.
1637 mono_init (const char *domain_name)
1639 return mono_init_internal (domain_name, NULL, DEFAULT_RUNTIME_VERSION);
1643 * mono_init_from_assembly:
1644 * @domain_name: name to give to the initial domain
1645 * @filename: filename to load on startup
1647 * Used by the runtime, users should use mono_jit_init instead.
1649 * Creates the initial application domain and initializes the mono_defaults
1651 * This function is guaranteed to not run any IL code.
1652 * The runtime is initialized using the runtime version required by the
1653 * provided executable. The version is determined by looking at the exe
1654 * configuration file and the version PE field)
1656 * Returns: the initial domain.
1659 mono_init_from_assembly (const char *domain_name, const char *filename)
1661 return mono_init_internal (domain_name, filename, NULL);
1665 * mono_init_version:
1667 * Used by the runtime, users should use mono_jit_init instead.
1669 * Creates the initial application domain and initializes the mono_defaults
1672 * This function is guaranteed to not run any IL code.
1673 * The runtime is initialized using the provided rutime version.
1675 * Returns: the initial domain.
1678 mono_init_version (const char *domain_name, const char *version)
1680 return mono_init_internal (domain_name, NULL, version);
1684 * mono_init_com_types:
1686 * Initializes all types needed for COM Interop in mono_defaults structure.
1689 mono_init_com_types (void)
1691 static gboolean initialized = FALSE;
1696 /* FIXME: do I need some threading protection here */
1698 g_assert (mono_defaults.corlib);
1700 mono_defaults.variant_class = mono_class_from_name (
1701 mono_defaults.corlib, "System", "Variant");
1702 g_assert (mono_defaults.variant_class != 0);
1704 mono_defaults.com_object_class = mono_class_from_name (
1705 mono_defaults.corlib, "System", "__ComObject");
1706 g_assert (mono_defaults.com_object_class != 0);
1708 mono_defaults.com_interop_proxy_class = mono_class_from_name (
1709 mono_defaults.corlib, "Mono.Interop", "ComInteropProxy");
1710 g_assert (mono_defaults.com_interop_proxy_class != 0);
1712 mono_defaults.iunknown_class = mono_class_from_name (
1713 mono_defaults.corlib, "Mono.Interop", "IUnknown");
1714 g_assert (mono_defaults.iunknown_class != 0);
1716 mono_defaults.idispatch_class = mono_class_from_name (
1717 mono_defaults.corlib, "Mono.Interop", "IDispatch");
1718 g_assert (mono_defaults.idispatch_class != 0);
1726 * Cleans up all metadata modules.
1731 mono_close_exe_image ();
1733 mono_loader_cleanup ();
1734 mono_classes_cleanup ();
1735 mono_assemblies_cleanup ();
1736 mono_images_cleanup ();
1737 mono_debug_cleanup ();
1738 mono_metadata_cleanup ();
1740 TlsFree (appdomain_thread_id);
1741 DeleteCriticalSection (&appdomains_mutex);
1744 * This should be called last as TlsGetValue ()/TlsSetValue () can be called during
1753 mono_close_exe_image (void)
1756 mono_image_close (exe_image);
1760 * mono_get_root_domain:
1762 * The root AppDomain is the initial domain created by the runtime when it is
1763 * initialized. Programs execute on this AppDomain, but can create new ones
1764 * later. Currently there is no unmanaged API to create new AppDomains, this
1765 * must be done from managed code.
1767 * Returns: the root appdomain, to obtain the current domain, use mono_domain_get ()
1770 mono_get_root_domain (void)
1772 return mono_root_domain;
1778 * Returns: the current domain, to obtain the root domain use
1779 * mono_get_root_domain().
1784 return GET_APPDOMAIN ();
1788 mono_domain_unset (void)
1790 SET_APPDOMAIN (NULL);
1794 mono_domain_set_internal_with_options (MonoDomain *domain, gboolean migrate_exception)
1796 MonoInternalThread *thread;
1798 if (mono_domain_get () == domain)
1801 SET_APPDOMAIN (domain);
1802 SET_APPCONTEXT (domain->default_context);
1804 if (migrate_exception) {
1805 thread = mono_thread_internal_current ();
1806 if (!thread->abort_exc)
1809 g_assert (thread->abort_exc->object.vtable->domain != domain);
1810 MONO_OBJECT_SETREF (thread, abort_exc, mono_get_exception_thread_abort ());
1811 g_assert (thread->abort_exc->object.vtable->domain == domain);
1816 * mono_domain_set_internal:
1817 * @domain: the new domain
1819 * Sets the current domain to @domain.
1822 mono_domain_set_internal (MonoDomain *domain)
1824 mono_domain_set_internal_with_options (domain, TRUE);
1828 mono_domain_foreach (MonoDomainFunc func, gpointer user_data)
1834 * Create a copy of the data to avoid calling the user callback
1835 * inside the lock because that could lead to deadlocks.
1836 * We can do this because this function is not perf. critical.
1838 mono_appdomains_lock ();
1839 size = appdomain_list_size;
1840 copy = mono_gc_alloc_fixed (appdomain_list_size * sizeof (void*), NULL);
1841 memcpy (copy, appdomains_list, appdomain_list_size * sizeof (void*));
1842 mono_appdomains_unlock ();
1844 for (i = 0; i < size; ++i) {
1846 func (copy [i], user_data);
1849 mono_gc_free_fixed (copy);
1853 * mono_domain_assembly_open:
1854 * @domain: the application domain
1855 * @name: file name of the assembly
1857 * fixme: maybe we should integrate this with mono_assembly_open ??
1860 mono_domain_assembly_open (MonoDomain *domain, const char *name)
1862 MonoDomain *current;
1866 mono_domain_assemblies_lock (domain);
1867 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
1869 if (strcmp (name, ass->aname.name) == 0) {
1870 mono_domain_assemblies_unlock (domain);
1874 mono_domain_assemblies_unlock (domain);
1876 if (domain != mono_domain_get ()) {
1877 current = mono_domain_get ();
1879 mono_domain_set (domain, FALSE);
1880 ass = mono_assembly_open (name, NULL);
1881 mono_domain_set (current, FALSE);
1883 ass = mono_assembly_open (name, NULL);
1889 #ifndef HAVE_SGEN_GC
1891 free_slist (gpointer key, gpointer value, gpointer user_data)
1893 g_slist_free (value);
1899 unregister_vtable_reflection_type (MonoVTable *vtable)
1901 MonoObject *type = vtable->type;
1903 if (type->vtable->klass != mono_defaults.monotype_class)
1904 mono_gc_deregister_root ((char*)&vtable->type);
1909 mono_domain_free (MonoDomain *domain, gboolean force)
1911 int code_size, code_alloc;
1913 if ((domain == mono_root_domain) && !force) {
1914 g_warning ("cant unload root domain");
1918 if (mono_dont_free_domains)
1921 mono_profiler_appdomain_event (domain, MONO_PROFILE_START_UNLOAD);
1923 mono_debug_domain_unload (domain);
1925 mono_appdomains_lock ();
1926 appdomains_list [domain->domain_id] = NULL;
1927 mono_appdomains_unlock ();
1929 /* must do this early as it accesses fields and types */
1930 if (domain->special_static_fields) {
1931 mono_alloc_special_static_data_free (domain->special_static_fields);
1932 g_hash_table_destroy (domain->special_static_fields);
1933 domain->special_static_fields = NULL;
1937 * We must destroy all these hash tables here because they
1938 * contain references to managed objects belonging to the
1939 * domain. Once we let the GC clear the domain there must be
1940 * no more such references, or we'll crash if a collection
1943 mono_g_hash_table_destroy (domain->ldstr_table);
1944 domain->ldstr_table = NULL;
1946 mono_g_hash_table_destroy (domain->env);
1949 mono_reflection_cleanup_domain (domain);
1951 if (domain->type_hash) {
1952 mono_g_hash_table_destroy (domain->type_hash);
1953 domain->type_hash = NULL;
1955 if (domain->type_init_exception_hash) {
1956 mono_g_hash_table_destroy (domain->type_init_exception_hash);
1957 domain->type_init_exception_hash = NULL;
1960 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
1961 MonoAssembly *ass = tmp->data;
1962 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);
1963 if (!mono_assembly_close_except_image_pools (ass))
1968 if (domain->class_vtable_array) {
1970 for (i = 0; i < domain->class_vtable_array->len; ++i)
1971 unregister_vtable_reflection_type (g_ptr_array_index (domain->class_vtable_array, i));
1975 mono_gc_clear_domain (domain);
1977 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
1978 MonoAssembly *ass = tmp->data;
1980 mono_assembly_close_finish (ass);
1982 g_slist_free (domain->domain_assemblies);
1983 domain->domain_assemblies = NULL;
1986 * Send this after the assemblies have been unloaded and the domain is still in a
1989 mono_profiler_appdomain_event (domain, MONO_PROFILE_END_UNLOAD);
1991 if (free_domain_hook)
1992 free_domain_hook (domain);
1994 /* FIXME: free delegate_hash_table when it's used */
1995 if (domain->search_path) {
1996 g_strfreev (domain->search_path);
1997 domain->search_path = NULL;
1999 domain->create_proxy_for_type_method = NULL;
2000 domain->private_invoke_method = NULL;
2001 domain->default_context = NULL;
2002 domain->out_of_memory_ex = NULL;
2003 domain->null_reference_ex = NULL;
2004 domain->stack_overflow_ex = NULL;
2005 domain->ephemeron_tombstone = NULL;
2006 domain->entry_assembly = NULL;
2008 g_free (domain->friendly_name);
2009 domain->friendly_name = NULL;
2010 g_ptr_array_free (domain->class_vtable_array, TRUE);
2011 domain->class_vtable_array = NULL;
2012 g_hash_table_destroy (domain->proxy_vtable_hash);
2013 domain->proxy_vtable_hash = NULL;
2014 if (domain->static_data_array) {
2015 mono_gc_free_fixed (domain->static_data_array);
2016 domain->static_data_array = NULL;
2018 mono_internal_hash_table_destroy (&domain->jit_code_hash);
2021 * There might still be jit info tables of this domain which
2022 * are not freed. Since the domain cannot be in use anymore,
2023 * this will free them.
2025 mono_thread_hazardous_try_free_all ();
2026 g_assert (domain->num_jit_info_tables == 1);
2027 jit_info_table_free (domain->jit_info_table);
2028 domain->jit_info_table = NULL;
2029 g_assert (!domain->jit_info_free_queue);
2031 /* collect statistics */
2032 code_alloc = mono_code_manager_size (domain->code_mp, &code_size);
2033 total_domain_code_alloc += code_alloc;
2034 max_domain_code_alloc = MAX (max_domain_code_alloc, code_alloc);
2035 max_domain_code_size = MAX (max_domain_code_size, code_size);
2037 #ifdef DEBUG_DOMAIN_UNLOAD
2038 mono_mempool_invalidate (domain->mp);
2039 mono_code_manager_invalidate (domain->code_mp);
2041 mono_perfcounters->loader_bytes -= mono_mempool_get_allocated (domain->mp);
2042 mono_mempool_destroy (domain->mp);
2044 mono_code_manager_destroy (domain->code_mp);
2045 domain->code_mp = NULL;
2048 g_hash_table_destroy (domain->finalizable_objects_hash);
2049 domain->finalizable_objects_hash = NULL;
2050 #ifndef HAVE_SGEN_GC
2051 if (domain->track_resurrection_objects_hash) {
2052 g_hash_table_foreach (domain->track_resurrection_objects_hash, free_slist, NULL);
2053 g_hash_table_destroy (domain->track_resurrection_objects_hash);
2055 if (domain->track_resurrection_handles_hash)
2056 g_hash_table_destroy (domain->track_resurrection_handles_hash);
2058 if (domain->method_rgctx_hash) {
2059 g_hash_table_destroy (domain->method_rgctx_hash);
2060 domain->method_rgctx_hash = NULL;
2062 if (domain->generic_virtual_cases) {
2063 g_hash_table_destroy (domain->generic_virtual_cases);
2064 domain->generic_virtual_cases = NULL;
2067 DeleteCriticalSection (&domain->finalizable_objects_hash_lock);
2068 DeleteCriticalSection (&domain->assemblies_lock);
2069 DeleteCriticalSection (&domain->jit_code_hash_lock);
2070 DeleteCriticalSection (&domain->lock);
2071 domain->setup = NULL;
2073 mono_gc_deregister_root ((char*)&(domain->MONO_DOMAIN_FIRST_GC_TRACKED));
2075 /* FIXME: anything else required ? */
2077 mono_gc_free_fixed (domain);
2079 mono_perfcounters->loader_appdomains--;
2081 if ((domain == mono_root_domain))
2082 mono_root_domain = NULL;
2086 * mono_domain_get_id:
2089 * Returns: the a domain for a specific domain id.
2092 mono_domain_get_by_id (gint32 domainid)
2094 MonoDomain * domain;
2096 mono_appdomains_lock ();
2097 if (domainid < appdomain_list_size)
2098 domain = appdomains_list [domainid];
2101 mono_appdomains_unlock ();
2107 mono_domain_get_id (MonoDomain *domain)
2109 return domain->domain_id;
2113 * mono_domain_alloc:
2115 * LOCKING: Acquires the domain lock.
2118 mono_domain_alloc (MonoDomain *domain, guint size)
2122 mono_domain_lock (domain);
2123 mono_perfcounters->loader_bytes += size;
2124 res = mono_mempool_alloc (domain->mp, size);
2125 mono_domain_unlock (domain);
2131 * mono_domain_alloc0:
2133 * LOCKING: Acquires the domain lock.
2136 mono_domain_alloc0 (MonoDomain *domain, guint size)
2140 mono_domain_lock (domain);
2141 mono_perfcounters->loader_bytes += size;
2142 res = mono_mempool_alloc0 (domain->mp, size);
2143 mono_domain_unlock (domain);
2149 * mono_domain_code_reserve:
2151 * LOCKING: Acquires the domain lock.
2154 mono_domain_code_reserve (MonoDomain *domain, int size)
2158 mono_domain_lock (domain);
2159 res = mono_code_manager_reserve (domain->code_mp, size);
2160 mono_domain_unlock (domain);
2166 * mono_domain_code_reserve_align:
2168 * LOCKING: Acquires the domain lock.
2171 mono_domain_code_reserve_align (MonoDomain *domain, int size, int alignment)
2175 mono_domain_lock (domain);
2176 res = mono_code_manager_reserve_align (domain->code_mp, size, alignment);
2177 mono_domain_unlock (domain);
2183 * mono_domain_code_commit:
2185 * LOCKING: Acquires the domain lock.
2188 mono_domain_code_commit (MonoDomain *domain, void *data, int size, int newsize)
2190 mono_domain_lock (domain);
2191 mono_code_manager_commit (domain->code_mp, data, size, newsize);
2192 mono_domain_unlock (domain);
2196 * mono_domain_code_foreach:
2197 * Iterate over the code thunks of the code manager of @domain.
2199 * The @func callback MUST not take any locks. If it really needs to, it must respect
2200 * the locking rules of the runtime: http://www.mono-project.com/Mono:Runtime:Documentation:ThreadSafety
2201 * LOCKING: Acquires the domain lock.
2205 mono_domain_code_foreach (MonoDomain *domain, MonoCodeManagerFunc func, void *user_data)
2207 mono_domain_lock (domain);
2208 mono_code_manager_foreach (domain->code_mp, func, user_data);
2209 mono_domain_unlock (domain);
2214 mono_context_set (MonoAppContext * new_context)
2216 SET_APPCONTEXT (new_context);
2220 mono_context_get (void)
2222 return GET_APPCONTEXT ();
2225 /* LOCKING: the caller holds the lock for this domain */
2227 mono_domain_add_class_static_data (MonoDomain *domain, MonoClass *klass, gpointer data, guint32 *bitmap)
2229 /* The first entry in the array is the index of the next free slot
2230 * and the total size of the array
2233 if (domain->static_data_array) {
2234 int size = GPOINTER_TO_INT (domain->static_data_array [1]);
2235 next = GPOINTER_TO_INT (domain->static_data_array [0]);
2237 gpointer *new_array = mono_gc_alloc_fixed (sizeof (gpointer) * (size * 2), NULL);
2238 memcpy (new_array, domain->static_data_array, sizeof (gpointer) * size);
2240 new_array [1] = GINT_TO_POINTER (size);
2241 mono_gc_free_fixed (domain->static_data_array);
2242 domain->static_data_array = new_array;
2246 gpointer *new_array = mono_gc_alloc_fixed (sizeof (gpointer) * size, NULL);
2248 new_array [0] = GINT_TO_POINTER (next);
2249 new_array [1] = GINT_TO_POINTER (size);
2250 domain->static_data_array = new_array;
2252 domain->static_data_array [next++] = data;
2253 domain->static_data_array [0] = GINT_TO_POINTER (next);
2257 mono_get_corlib (void)
2259 return mono_defaults.corlib;
2263 mono_get_object_class (void)
2265 return mono_defaults.object_class;
2269 mono_get_byte_class (void)
2271 return mono_defaults.byte_class;
2275 mono_get_void_class (void)
2277 return mono_defaults.void_class;
2281 mono_get_boolean_class (void)
2283 return mono_defaults.boolean_class;
2287 mono_get_sbyte_class (void)
2289 return mono_defaults.sbyte_class;
2293 mono_get_int16_class (void)
2295 return mono_defaults.int16_class;
2299 mono_get_uint16_class (void)
2301 return mono_defaults.uint16_class;
2305 mono_get_int32_class (void)
2307 return mono_defaults.int32_class;
2311 mono_get_uint32_class (void)
2313 return mono_defaults.uint32_class;
2317 mono_get_intptr_class (void)
2319 return mono_defaults.int_class;
2323 mono_get_uintptr_class (void)
2325 return mono_defaults.uint_class;
2329 mono_get_int64_class (void)
2331 return mono_defaults.int64_class;
2335 mono_get_uint64_class (void)
2337 return mono_defaults.uint64_class;
2341 mono_get_single_class (void)
2343 return mono_defaults.single_class;
2347 mono_get_double_class (void)
2349 return mono_defaults.double_class;
2353 mono_get_char_class (void)
2355 return mono_defaults.char_class;
2359 mono_get_string_class (void)
2361 return mono_defaults.string_class;
2365 mono_get_enum_class (void)
2367 return mono_defaults.enum_class;
2371 mono_get_array_class (void)
2373 return mono_defaults.array_class;
2377 mono_get_thread_class (void)
2379 return mono_defaults.thread_class;
2383 mono_get_exception_class (void)
2385 return mono_defaults.exception_class;
2389 static char* get_attribute_value (const gchar **attribute_names,
2390 const gchar **attribute_values,
2391 const char *att_name)
2394 for (n=0; attribute_names[n] != NULL; n++) {
2395 if (strcmp (attribute_names[n], att_name) == 0)
2396 return g_strdup (attribute_values[n]);
2401 static void start_element (GMarkupParseContext *context,
2402 const gchar *element_name,
2403 const gchar **attribute_names,
2404 const gchar **attribute_values,
2408 AppConfigInfo* app_config = (AppConfigInfo*) user_data;
2410 if (strcmp (element_name, "configuration") == 0) {
2411 app_config->configuration_count++;
2414 if (strcmp (element_name, "startup") == 0) {
2415 app_config->startup_count++;
2419 if (app_config->configuration_count != 1 || app_config->startup_count != 1)
2422 if (strcmp (element_name, "requiredRuntime") == 0) {
2423 app_config->required_runtime = get_attribute_value (attribute_names, attribute_values, "version");
2424 } else if (strcmp (element_name, "supportedRuntime") == 0) {
2425 char *version = get_attribute_value (attribute_names, attribute_values, "version");
2426 app_config->supported_runtimes = g_slist_append (app_config->supported_runtimes, version);
2430 static void end_element (GMarkupParseContext *context,
2431 const gchar *element_name,
2435 AppConfigInfo* app_config = (AppConfigInfo*) user_data;
2437 if (strcmp (element_name, "configuration") == 0) {
2438 app_config->configuration_count--;
2439 } else if (strcmp (element_name, "startup") == 0) {
2440 app_config->startup_count--;
2444 static const GMarkupParser
2453 static AppConfigInfo *
2454 app_config_parse (const char *exe_filename)
2456 AppConfigInfo *app_config;
2457 GMarkupParseContext *context;
2460 const char *bundled_config;
2461 char *config_filename;
2463 bundled_config = mono_config_string_for_assembly_file (exe_filename);
2465 if (bundled_config) {
2466 text = g_strdup (bundled_config);
2467 len = strlen (text);
2469 config_filename = g_strconcat (exe_filename, ".config", NULL);
2471 if (!g_file_get_contents (config_filename, &text, &len, NULL)) {
2472 g_free (config_filename);
2475 g_free (config_filename);
2478 app_config = g_new0 (AppConfigInfo, 1);
2480 context = g_markup_parse_context_new (&mono_parser, 0, app_config, NULL);
2481 if (g_markup_parse_context_parse (context, text, len, NULL)) {
2482 g_markup_parse_context_end_parse (context, NULL);
2484 g_markup_parse_context_free (context);
2490 app_config_free (AppConfigInfo* app_config)
2493 GSList *list = app_config->supported_runtimes;
2494 while (list != NULL) {
2495 rt = (char*)list->data;
2497 list = g_slist_next (list);
2499 g_slist_free (app_config->supported_runtimes);
2500 g_free (app_config->required_runtime);
2501 g_free (app_config);
2505 static const MonoRuntimeInfo*
2506 get_runtime_by_version (const char *version)
2509 int max = G_N_ELEMENTS (supported_runtimes);
2511 for (n=0; n<max; n++) {
2512 if (strcmp (version, supported_runtimes[n].runtime_version) == 0)
2513 return &supported_runtimes[n];
2519 get_runtimes_from_exe (const char *exe_file, MonoImage **exe_image, const MonoRuntimeInfo** runtimes)
2521 AppConfigInfo* app_config;
2523 const MonoRuntimeInfo* runtime = NULL;
2524 MonoImage *image = NULL;
2526 app_config = app_config_parse (exe_file);
2528 if (app_config != NULL) {
2529 /* Check supportedRuntime elements, if none is supported, fail.
2530 * If there are no such elements, look for a requiredRuntime element.
2532 if (app_config->supported_runtimes != NULL) {
2534 GSList *list = app_config->supported_runtimes;
2535 while (list != NULL) {
2536 version = (char*) list->data;
2537 runtime = get_runtime_by_version (version);
2538 if (runtime != NULL)
2539 runtimes [n++] = runtime;
2540 list = g_slist_next (list);
2542 runtimes [n] = NULL;
2543 app_config_free (app_config);
2547 /* Check the requiredRuntime element. This is for 1.0 apps only. */
2548 if (app_config->required_runtime != NULL) {
2549 runtimes [0] = get_runtime_by_version (app_config->required_runtime);
2550 runtimes [1] = NULL;
2551 app_config_free (app_config);
2554 app_config_free (app_config);
2557 /* Look for a runtime with the exact version */
2558 image = mono_assembly_open_from_bundle (exe_file, NULL, FALSE);
2561 image = mono_image_open (exe_file, NULL);
2563 if (image == NULL) {
2564 /* The image is wrong or the file was not found. In this case return
2565 * a default runtime and leave to the initialization method the work of
2566 * reporting the error.
2568 runtimes [0] = get_runtime_by_version (DEFAULT_RUNTIME_VERSION);
2569 runtimes [1] = NULL;
2575 runtimes [0] = get_runtime_by_version (image->version);
2576 runtimes [1] = NULL;
2581 * mono_get_runtime_info:
2583 * Returns: the version of the current runtime instance.
2585 const MonoRuntimeInfo*
2586 mono_get_runtime_info (void)
2588 return current_runtime;
2592 mono_debugger_check_runtime_version (const char *filename)
2594 const MonoRuntimeInfo* runtimes [G_N_ELEMENTS (supported_runtimes) + 1];
2595 const MonoRuntimeInfo *rinfo;
2598 get_runtimes_from_exe (filename, &image, runtimes);
2599 rinfo = runtimes [0];
2602 return g_strdup_printf ("Cannot get runtime version from assembly `%s'", filename);
2604 if (rinfo != current_runtime)
2605 return g_strdup_printf ("The Mono Debugger is currently using the `%s' runtime, but "
2606 "the assembly `%s' requires version `%s'", current_runtime->runtime_version,
2607 filename, rinfo->runtime_version);
2613 * mono_framework_version:
2615 * Return the major version of the framework curently executing.
2618 mono_framework_version (void)
2620 return current_runtime->framework_version [0] - '0';