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)
10 * Copyright 2011-2012 Xamarin, Inc (http://www.xamarin.com)
18 #include <mono/metadata/gc-internal.h>
20 #include <mono/utils/atomic.h>
21 #include <mono/utils/mono-compiler.h>
22 #include <mono/utils/mono-logger-internal.h>
23 #include <mono/utils/mono-membar.h>
24 #include <mono/utils/mono-counters.h>
25 #include <mono/utils/hazard-pointer.h>
26 #include <mono/utils/mono-tls.h>
27 #include <mono/utils/mono-mmap.h>
28 #include <mono/utils/mono-threads.h>
29 #include <mono/metadata/object.h>
30 #include <mono/metadata/object-internals.h>
31 #include <mono/metadata/domain-internals.h>
32 #include <mono/metadata/class-internals.h>
33 #include <mono/metadata/assembly.h>
34 #include <mono/metadata/exception.h>
35 #include <mono/metadata/metadata-internals.h>
36 #include <mono/metadata/gc-internal.h>
37 #include <mono/metadata/appdomain.h>
38 #include <mono/metadata/mono-debug-debugger.h>
39 #include <mono/metadata/mono-config.h>
40 #include <mono/metadata/threads-types.h>
41 #include <mono/metadata/runtime.h>
42 #include <metadata/threads.h>
43 #include <metadata/profiler-private.h>
44 #include <mono/metadata/coree.h>
46 #define DEBUG_DOMAIN_UNLOAD 1
48 /* we need to use both the Tls* functions and __thread because
49 * some archs may generate faster jit code with one meachanism
50 * or the other (we used to do it because tls slots were GC-tracked,
51 * but we can't depend on this).
53 static MonoNativeTlsKey appdomain_thread_id;
55 #ifdef MONO_HAVE_FAST_TLS
57 MONO_FAST_TLS_DECLARE(tls_appdomain);
59 #define GET_APPDOMAIN() ((MonoDomain*)MONO_FAST_TLS_GET(tls_appdomain))
61 #define SET_APPDOMAIN(x) do { \
62 MonoThreadInfo *info; \
63 MONO_FAST_TLS_SET (tls_appdomain,x); \
64 mono_native_tls_set_value (appdomain_thread_id, x); \
65 mono_gc_set_current_thread_appdomain (x); \
66 info = mono_thread_info_current (); \
68 mono_thread_info_tls_set (info, TLS_KEY_DOMAIN, (x)); \
71 #else /* !MONO_HAVE_FAST_TLS */
73 #define GET_APPDOMAIN() ((MonoDomain *)mono_native_tls_get_value (appdomain_thread_id))
74 #define SET_APPDOMAIN(x) do { \
75 MonoThreadInfo *info; \
76 mono_native_tls_set_value (appdomain_thread_id, x); \
77 mono_gc_set_current_thread_appdomain (x); \
78 info = mono_thread_info_current (); \
80 mono_thread_info_tls_set (info, TLS_KEY_DOMAIN, (x)); \
85 #define GET_APPCONTEXT() (mono_thread_internal_current ()->current_appcontext)
86 #define SET_APPCONTEXT(x) MONO_OBJECT_SETREF (mono_thread_internal_current (), current_appcontext, (x))
88 static guint16 appdomain_list_size = 0;
89 static guint16 appdomain_next = 0;
90 static MonoDomain **appdomains_list = NULL;
91 static MonoImage *exe_image;
93 gboolean mono_dont_free_domains;
95 #define mono_appdomains_lock() EnterCriticalSection (&appdomains_mutex)
96 #define mono_appdomains_unlock() LeaveCriticalSection (&appdomains_mutex)
97 static CRITICAL_SECTION appdomains_mutex;
99 static MonoDomain *mono_root_domain = NULL;
101 /* some statistics */
102 static int max_domain_code_size = 0;
103 static int max_domain_code_alloc = 0;
104 static int total_domain_code_alloc = 0;
106 /* AppConfigInfo: Information about runtime versions supported by an
110 GSList *supported_runtimes;
111 char *required_runtime;
112 int configuration_count;
116 static const MonoRuntimeInfo *current_runtime = NULL;
118 static MonoJitInfoFindInAot jit_info_find_in_aot_func = NULL;
120 /* This is the list of runtime versions supported by this JIT.
122 static const MonoRuntimeInfo supported_runtimes[] = {
123 {"v2.0.50215","2.0", { {2,0,0,0}, { 8,0,0,0}, {3,5,0,0}, {3,0,0,0} } },
124 {"v2.0.50727","2.0", { {2,0,0,0}, { 8,0,0,0}, {3,5,0,0}, {3,0,0,0} } },
125 {"v4.0.30319","4.5", { {4,0,0,0}, {10,0,0,0}, {4,0,0,0}, {4,0,0,0} } },
126 {"v4.0.30128","4.0", { {4,0,0,0}, {10,0,0,0}, {4,0,0,0}, {4,0,0,0} } },
127 {"v4.0.20506","4.0", { {4,0,0,0}, {10,0,0,0}, {4,0,0,0}, {4,0,0,0} } },
128 {"mobile", "2.1", { {2,0,5,0}, {10,0,0,0}, {2,0,5,0}, {2,0,5,0} } },
129 {"moonlight", "2.1", { {2,0,5,0}, { 9,0,0,0}, {3,5,0,0}, {3,0,0,0} } },
133 /* The stable runtime version */
134 #define DEFAULT_RUNTIME_VERSION "v2.0.50727"
136 /* Callbacks installed by the JIT */
137 static MonoCreateDomainFunc create_domain_hook;
138 static MonoFreeDomainFunc free_domain_hook;
140 /* This is intentionally not in the header file, so people don't misuse it. */
141 extern void _mono_debug_init_corlib (MonoDomain *domain);
144 get_runtimes_from_exe (const char *exe_file, MonoImage **exe_image, const MonoRuntimeInfo** runtimes);
146 static const MonoRuntimeInfo*
147 get_runtime_by_version (const char *version);
150 mono_domain_get_tls_key (void)
152 return appdomain_thread_id;
156 mono_domain_get_tls_offset (void)
159 MONO_THREAD_VAR_OFFSET (tls_appdomain, offset);
160 /* __asm ("jmp 1f; .section writetext, \"awx\"; 1: movl $tls_appdomain@ntpoff, %0; jmp 2f; .previous; 2:"
165 #define JIT_INFO_TABLE_FILL_RATIO_NOM 3
166 #define JIT_INFO_TABLE_FILL_RATIO_DENOM 4
167 #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)
169 #define JIT_INFO_TABLE_LOW_WATERMARK(n) ((n) / 2)
170 #define JIT_INFO_TABLE_HIGH_WATERMARK(n) ((n) * 5 / 6)
172 #define JIT_INFO_TOMBSTONE_MARKER ((MonoMethod*)NULL)
173 #define IS_JIT_INFO_TOMBSTONE(ji) ((ji)->d.method == JIT_INFO_TOMBSTONE_MARKER)
175 #define JIT_INFO_TABLE_HAZARD_INDEX 0
176 #define JIT_INFO_HAZARD_INDEX 1
179 jit_info_table_num_elements (MonoJitInfoTable *table)
182 int num_elements = 0;
184 for (i = 0; i < table->num_chunks; ++i) {
185 MonoJitInfoTableChunk *chunk = table->chunks [i];
186 int chunk_num_elements = chunk->num_elements;
189 for (j = 0; j < chunk_num_elements; ++j) {
190 if (!IS_JIT_INFO_TOMBSTONE (chunk->data [j]))
198 static MonoJitInfoTableChunk*
199 jit_info_table_new_chunk (void)
201 MonoJitInfoTableChunk *chunk = g_new0 (MonoJitInfoTableChunk, 1);
207 static MonoJitInfoTable *
208 jit_info_table_new (MonoDomain *domain)
210 MonoJitInfoTable *table = g_malloc0 (MONO_SIZEOF_JIT_INFO_TABLE + sizeof (MonoJitInfoTableChunk*));
212 table->domain = domain;
213 table->num_chunks = 1;
214 table->chunks [0] = jit_info_table_new_chunk ();
220 jit_info_table_free (MonoJitInfoTable *table)
223 int num_chunks = table->num_chunks;
224 MonoDomain *domain = table->domain;
226 mono_domain_lock (domain);
228 table->domain->num_jit_info_tables--;
229 if (table->domain->num_jit_info_tables <= 1) {
232 for (list = table->domain->jit_info_free_queue; list; list = list->next)
235 g_slist_free (table->domain->jit_info_free_queue);
236 table->domain->jit_info_free_queue = NULL;
239 /* At this point we assume that there are no other threads
240 still accessing the table, so we don't have to worry about
241 hazardous pointers. */
243 for (i = 0; i < num_chunks; ++i) {
244 MonoJitInfoTableChunk *chunk = table->chunks [i];
248 if (--chunk->refcount > 0)
251 num_elements = chunk->num_elements;
252 for (j = 0; j < num_elements; ++j) {
253 MonoJitInfo *ji = chunk->data [j];
255 if (IS_JIT_INFO_TOMBSTONE (ji))
262 mono_domain_unlock (domain);
267 /* The jit_info_table is sorted in ascending order by the end
268 * addresses of the compiled methods. The reason why we have to do
269 * this is that once we introduce tombstones, it becomes possible for
270 * code ranges to overlap, and if we sort by code start and insert at
271 * the back of the table, we cannot guarantee that we won't overlook
274 * There are actually two possible ways to do the sorting and
275 * inserting which work with our lock-free mechanism:
277 * 1. Sort by start address and insert at the front. When looking for
278 * an entry, find the last one with a start address lower than the one
279 * you're looking for, then work your way to the front of the table.
281 * 2. Sort by end address and insert at the back. When looking for an
282 * entry, find the first one with an end address higher than the one
283 * you're looking for, then work your way to the end of the table.
285 * We chose the latter out of convenience.
288 jit_info_table_index (MonoJitInfoTable *table, gint8 *addr)
290 int left = 0, right = table->num_chunks;
292 g_assert (left < right);
295 int pos = (left + right) / 2;
296 MonoJitInfoTableChunk *chunk = table->chunks [pos];
298 if (addr < chunk->last_code_end)
302 } while (left < right);
303 g_assert (left == right);
305 if (left >= table->num_chunks)
306 return table->num_chunks - 1;
311 jit_info_table_chunk_index (MonoJitInfoTableChunk *chunk, MonoThreadHazardPointers *hp, gint8 *addr)
313 int left = 0, right = chunk->num_elements;
315 while (left < right) {
316 int pos = (left + right) / 2;
317 MonoJitInfo *ji = get_hazardous_pointer((gpointer volatile*)&chunk->data [pos], hp, JIT_INFO_HAZARD_INDEX);
318 gint8 *code_end = (gint8*)ji->code_start + ji->code_size;
325 g_assert (left == right);
331 jit_info_table_find (MonoJitInfoTable *table, MonoThreadHazardPointers *hp, gint8 *addr)
336 chunk_pos = jit_info_table_index (table, (gint8*)addr);
337 g_assert (chunk_pos < table->num_chunks);
339 pos = jit_info_table_chunk_index (table->chunks [chunk_pos], hp, (gint8*)addr);
341 /* We now have a position that's very close to that of the
342 first element whose end address is higher than the one
343 we're looking for. If we don't have the exact position,
344 then we have a position below that one, so we'll just
345 search upward until we find our element. */
347 MonoJitInfoTableChunk *chunk = table->chunks [chunk_pos];
349 while (pos < chunk->num_elements) {
350 ji = get_hazardous_pointer ((gpointer volatile*)&chunk->data [pos], hp, JIT_INFO_HAZARD_INDEX);
354 if (IS_JIT_INFO_TOMBSTONE (ji)) {
355 mono_hazard_pointer_clear (hp, JIT_INFO_HAZARD_INDEX);
358 if ((gint8*)addr >= (gint8*)ji->code_start
359 && (gint8*)addr < (gint8*)ji->code_start + ji->code_size) {
360 mono_hazard_pointer_clear (hp, JIT_INFO_HAZARD_INDEX);
364 /* If we find a non-tombstone element which is already
365 beyond what we're looking for, we have to end the
367 if ((gint8*)addr < (gint8*)ji->code_start)
373 } while (chunk_pos < table->num_chunks);
377 mono_hazard_pointer_clear (hp, JIT_INFO_HAZARD_INDEX);
382 * mono_jit_info_table_find_internal:
384 * If TRY_AOT is FALSE, avoid loading information for missing methods from AOT images, which is currently not async safe.
385 * In this case, only those AOT methods will be found whose jit info is already loaded.
386 * ASYNC SAFETY: When called in an async context (mono_thread_info_is_async_context ()), this is async safe.
387 * In this case, the returned MonoJitInfo might not have metadata information, in particular,
388 * mono_jit_info_get_method () could fail.
391 mono_jit_info_table_find_internal (MonoDomain *domain, char *addr, gboolean try_aot)
393 MonoJitInfoTable *table;
394 MonoJitInfo *ji, *module_ji;
395 MonoThreadHazardPointers *hp = mono_hazard_pointer_get ();
397 ++mono_stats.jit_info_table_lookup_count;
399 /* First we have to get the domain's jit_info_table. This is
400 complicated by the fact that a writer might substitute a
401 new table and free the old one. What the writer guarantees
402 us is that it looks at the hazard pointers after it has
403 changed the jit_info_table pointer. So, if we guard the
404 table by a hazard pointer and make sure that the pointer is
405 still there after we've made it hazardous, we don't have to
406 worry about the writer freeing the table. */
407 table = get_hazardous_pointer ((gpointer volatile*)&domain->jit_info_table, hp, JIT_INFO_TABLE_HAZARD_INDEX);
409 ji = jit_info_table_find (table, hp, (gint8*)addr);
411 mono_hazard_pointer_clear (hp, JIT_INFO_TABLE_HAZARD_INDEX);
415 /* Maybe its an AOT module */
416 if (try_aot && mono_root_domain && mono_root_domain->aot_modules) {
417 table = get_hazardous_pointer ((gpointer volatile*)&mono_root_domain->aot_modules, hp, JIT_INFO_TABLE_HAZARD_INDEX);
418 module_ji = jit_info_table_find (table, hp, (gint8*)addr);
420 ji = jit_info_find_in_aot_func (domain, module_ji->d.image, addr);
422 mono_hazard_pointer_clear (hp, JIT_INFO_TABLE_HAZARD_INDEX);
429 mono_jit_info_table_find (MonoDomain *domain, char *addr)
431 return mono_jit_info_table_find_internal (domain, addr, TRUE);
434 static G_GNUC_UNUSED void
435 jit_info_table_check (MonoJitInfoTable *table)
439 for (i = 0; i < table->num_chunks; ++i) {
440 MonoJitInfoTableChunk *chunk = table->chunks [i];
443 g_assert (chunk->refcount > 0 /* && chunk->refcount <= 8 */);
444 if (chunk->refcount > 10)
445 printf("warning: chunk refcount is %d\n", chunk->refcount);
446 g_assert (chunk->num_elements <= MONO_JIT_INFO_TABLE_CHUNK_SIZE);
448 for (j = 0; j < chunk->num_elements; ++j) {
449 MonoJitInfo *this = chunk->data [j];
452 g_assert ((gint8*)this->code_start + this->code_size <= chunk->last_code_end);
454 if (j < chunk->num_elements - 1)
455 next = chunk->data [j + 1];
456 else if (i < table->num_chunks - 1) {
459 for (k = i + 1; k < table->num_chunks; ++k)
460 if (table->chunks [k]->num_elements > 0)
463 if (k >= table->num_chunks)
466 g_assert (table->chunks [k]->num_elements > 0);
467 next = table->chunks [k]->data [0];
471 g_assert ((gint8*)this->code_start + this->code_size <= (gint8*)next->code_start + next->code_size);
476 static MonoJitInfoTable*
477 jit_info_table_realloc (MonoJitInfoTable *old)
480 int num_elements = jit_info_table_num_elements (old);
483 int new_chunk, new_element;
484 MonoJitInfoTable *new;
486 /* number of needed places for elements needed */
487 required_size = (int)((long)num_elements * JIT_INFO_TABLE_FILL_RATIO_DENOM / JIT_INFO_TABLE_FILL_RATIO_NOM);
488 num_chunks = (required_size + MONO_JIT_INFO_TABLE_CHUNK_SIZE - 1) / MONO_JIT_INFO_TABLE_CHUNK_SIZE;
489 if (num_chunks == 0) {
490 g_assert (num_elements == 0);
491 return jit_info_table_new (old->domain);
493 g_assert (num_chunks > 0);
495 new = g_malloc (MONO_SIZEOF_JIT_INFO_TABLE + sizeof (MonoJitInfoTableChunk*) * num_chunks);
496 new->domain = old->domain;
497 new->num_chunks = num_chunks;
499 for (i = 0; i < num_chunks; ++i)
500 new->chunks [i] = jit_info_table_new_chunk ();
504 for (i = 0; i < old->num_chunks; ++i) {
505 MonoJitInfoTableChunk *chunk = old->chunks [i];
506 int chunk_num_elements = chunk->num_elements;
509 for (j = 0; j < chunk_num_elements; ++j) {
510 if (!IS_JIT_INFO_TOMBSTONE (chunk->data [j])) {
511 g_assert (new_chunk < num_chunks);
512 new->chunks [new_chunk]->data [new_element] = chunk->data [j];
513 if (++new_element >= JIT_INFO_TABLE_FILLED_NUM_ELEMENTS) {
514 new->chunks [new_chunk]->num_elements = new_element;
522 if (new_chunk < num_chunks) {
523 g_assert (new_chunk == num_chunks - 1);
524 new->chunks [new_chunk]->num_elements = new_element;
525 g_assert (new->chunks [new_chunk]->num_elements > 0);
528 for (i = 0; i < num_chunks; ++i) {
529 MonoJitInfoTableChunk *chunk = new->chunks [i];
530 MonoJitInfo *ji = chunk->data [chunk->num_elements - 1];
532 new->chunks [i]->last_code_end = (gint8*)ji->code_start + ji->code_size;
539 jit_info_table_split_chunk (MonoJitInfoTableChunk *chunk, MonoJitInfoTableChunk **new1p, MonoJitInfoTableChunk **new2p)
541 MonoJitInfoTableChunk *new1 = jit_info_table_new_chunk ();
542 MonoJitInfoTableChunk *new2 = jit_info_table_new_chunk ();
544 g_assert (chunk->num_elements == MONO_JIT_INFO_TABLE_CHUNK_SIZE);
546 new1->num_elements = MONO_JIT_INFO_TABLE_CHUNK_SIZE / 2;
547 new2->num_elements = MONO_JIT_INFO_TABLE_CHUNK_SIZE - new1->num_elements;
549 memcpy ((void*)new1->data, (void*)chunk->data, sizeof (MonoJitInfo*) * new1->num_elements);
550 memcpy ((void*)new2->data, (void*)(chunk->data + new1->num_elements), sizeof (MonoJitInfo*) * new2->num_elements);
552 new1->last_code_end = (gint8*)new1->data [new1->num_elements - 1]->code_start
553 + new1->data [new1->num_elements - 1]->code_size;
554 new2->last_code_end = (gint8*)new2->data [new2->num_elements - 1]->code_start
555 + new2->data [new2->num_elements - 1]->code_size;
561 static MonoJitInfoTable*
562 jit_info_table_copy_and_split_chunk (MonoJitInfoTable *table, MonoJitInfoTableChunk *chunk)
564 MonoJitInfoTable *new_table = g_malloc (MONO_SIZEOF_JIT_INFO_TABLE
565 + sizeof (MonoJitInfoTableChunk*) * (table->num_chunks + 1));
568 new_table->domain = table->domain;
569 new_table->num_chunks = table->num_chunks + 1;
572 for (i = 0; i < table->num_chunks; ++i) {
573 if (table->chunks [i] == chunk) {
574 jit_info_table_split_chunk (chunk, &new_table->chunks [j], &new_table->chunks [j + 1]);
577 new_table->chunks [j] = table->chunks [i];
578 ++new_table->chunks [j]->refcount;
583 g_assert (j == new_table->num_chunks);
588 static MonoJitInfoTableChunk*
589 jit_info_table_purify_chunk (MonoJitInfoTableChunk *old)
591 MonoJitInfoTableChunk *new = jit_info_table_new_chunk ();
595 for (i = 0; i < old->num_elements; ++i) {
596 if (!IS_JIT_INFO_TOMBSTONE (old->data [i]))
597 new->data [j++] = old->data [i];
600 new->num_elements = j;
601 if (new->num_elements > 0)
602 new->last_code_end = (gint8*)new->data [j - 1]->code_start + new->data [j - 1]->code_size;
604 new->last_code_end = old->last_code_end;
609 static MonoJitInfoTable*
610 jit_info_table_copy_and_purify_chunk (MonoJitInfoTable *table, MonoJitInfoTableChunk *chunk)
612 MonoJitInfoTable *new_table = g_malloc (MONO_SIZEOF_JIT_INFO_TABLE
613 + sizeof (MonoJitInfoTableChunk*) * table->num_chunks);
616 new_table->domain = table->domain;
617 new_table->num_chunks = table->num_chunks;
620 for (i = 0; i < table->num_chunks; ++i) {
621 if (table->chunks [i] == chunk)
622 new_table->chunks [j++] = jit_info_table_purify_chunk (table->chunks [i]);
624 new_table->chunks [j] = table->chunks [i];
625 ++new_table->chunks [j]->refcount;
630 g_assert (j == new_table->num_chunks);
635 /* As we add an element to the table the case can arise that the chunk
636 * to which we need to add is already full. In that case we have to
637 * allocate a new table and do something about that chunk. We have
638 * several strategies:
640 * If the number of elements in the table is below the low watermark
641 * or above the high watermark, we reallocate the whole table.
642 * Otherwise we only concern ourselves with the overflowing chunk:
644 * If there are no tombstones in the chunk then we split the chunk in
645 * two, each half full.
647 * If the chunk does contain tombstones, we just make a new copy of
648 * the chunk without the tombstones, which will have room for at least
649 * the one element we have to add.
651 static MonoJitInfoTable*
652 jit_info_table_chunk_overflow (MonoJitInfoTable *table, MonoJitInfoTableChunk *chunk)
654 int num_elements = jit_info_table_num_elements (table);
657 if (num_elements < JIT_INFO_TABLE_LOW_WATERMARK (table->num_chunks * MONO_JIT_INFO_TABLE_CHUNK_SIZE)
658 || num_elements > JIT_INFO_TABLE_HIGH_WATERMARK (table->num_chunks * MONO_JIT_INFO_TABLE_CHUNK_SIZE)) {
659 //printf ("reallocing table\n");
660 return jit_info_table_realloc (table);
663 /* count the number of non-tombstone elements in the chunk */
665 for (i = 0; i < chunk->num_elements; ++i) {
666 if (!IS_JIT_INFO_TOMBSTONE (chunk->data [i]))
670 if (num_elements == MONO_JIT_INFO_TABLE_CHUNK_SIZE) {
671 //printf ("splitting chunk\n");
672 return jit_info_table_copy_and_split_chunk (table, chunk);
675 //printf ("purifying chunk\n");
676 return jit_info_table_copy_and_purify_chunk (table, chunk);
679 /* We add elements to the table by first making space for them by
680 * shifting the elements at the back to the right, one at a time.
681 * This results in duplicate entries during the process, but during
682 * all the time the table is in a sorted state. Also, when an element
683 * is replaced by another one, the element that replaces it has an end
684 * address that is equal to or lower than that of the replaced
685 * element. That property is necessary to guarantee that when
686 * searching for an element we end up at a position not higher than
687 * the one we're looking for (i.e. we either find the element directly
688 * or we end up to the left of it).
691 jit_info_table_add (MonoDomain *domain, MonoJitInfoTable *volatile *table_ptr, MonoJitInfo *ji)
693 MonoJitInfoTable *table;
694 MonoJitInfoTableChunk *chunk;
702 chunk_pos = jit_info_table_index (table, (gint8*)ji->code_start + ji->code_size);
703 g_assert (chunk_pos < table->num_chunks);
704 chunk = table->chunks [chunk_pos];
706 if (chunk->num_elements >= MONO_JIT_INFO_TABLE_CHUNK_SIZE) {
707 MonoJitInfoTable *new_table = jit_info_table_chunk_overflow (table, chunk);
709 /* Debugging code, should be removed. */
710 //jit_info_table_check (new_table);
712 *table_ptr = new_table;
713 mono_memory_barrier ();
714 domain->num_jit_info_tables++;
715 mono_thread_hazardous_free_or_queue (table, (MonoHazardousFreeFunc)jit_info_table_free, TRUE, FALSE);
721 /* Debugging code, should be removed. */
722 //jit_info_table_check (table);
724 num_elements = chunk->num_elements;
726 pos = jit_info_table_chunk_index (chunk, NULL, (gint8*)ji->code_start + ji->code_size);
728 /* First we need to size up the chunk by one, by copying the
729 last item, or inserting the first one, if the table is
731 if (num_elements > 0)
732 chunk->data [num_elements] = chunk->data [num_elements - 1];
734 chunk->data [0] = ji;
735 mono_memory_write_barrier ();
736 chunk->num_elements = ++num_elements;
738 /* Shift the elements up one by one. */
739 for (i = num_elements - 2; i >= pos; --i) {
740 mono_memory_write_barrier ();
741 chunk->data [i + 1] = chunk->data [i];
744 /* Now we have room and can insert the new item. */
745 mono_memory_write_barrier ();
746 chunk->data [pos] = ji;
748 /* Set the high code end address chunk entry. */
749 chunk->last_code_end = (gint8*)chunk->data [chunk->num_elements - 1]->code_start
750 + chunk->data [chunk->num_elements - 1]->code_size;
752 /* Debugging code, should be removed. */
753 //jit_info_table_check (table);
757 mono_jit_info_table_add (MonoDomain *domain, MonoJitInfo *ji)
759 g_assert (ji->d.method != NULL);
761 mono_domain_lock (domain);
763 ++mono_stats.jit_info_table_insert_count;
765 jit_info_table_add (domain, &domain->jit_info_table, ji);
767 mono_domain_unlock (domain);
771 mono_jit_info_make_tombstone (MonoJitInfo *ji)
773 MonoJitInfo *tombstone = g_new0 (MonoJitInfo, 1);
775 tombstone->code_start = ji->code_start;
776 tombstone->code_size = ji->code_size;
777 tombstone->d.method = JIT_INFO_TOMBSTONE_MARKER;
783 * LOCKING: domain lock
786 mono_jit_info_free_or_queue (MonoDomain *domain, MonoJitInfo *ji)
788 if (domain->num_jit_info_tables <= 1) {
789 /* Can it actually happen that we only have one table
790 but ji is still hazardous? */
791 mono_thread_hazardous_free_or_queue (ji, g_free, TRUE, FALSE);
793 domain->jit_info_free_queue = g_slist_prepend (domain->jit_info_free_queue, ji);
798 jit_info_table_remove (MonoJitInfoTable *table, MonoJitInfo *ji)
800 MonoJitInfoTableChunk *chunk;
801 gpointer start = ji->code_start;
804 chunk_pos = jit_info_table_index (table, start);
805 g_assert (chunk_pos < table->num_chunks);
807 pos = jit_info_table_chunk_index (table->chunks [chunk_pos], NULL, start);
810 chunk = table->chunks [chunk_pos];
812 while (pos < chunk->num_elements) {
813 if (chunk->data [pos] == ji)
816 g_assert (IS_JIT_INFO_TOMBSTONE (chunk->data [pos]));
817 g_assert ((guint8*)chunk->data [pos]->code_start + chunk->data [pos]->code_size
818 <= (guint8*)ji->code_start + ji->code_size);
825 } while (chunk_pos < table->num_chunks);
828 g_assert (chunk->data [pos] == ji);
830 chunk->data [pos] = mono_jit_info_make_tombstone (ji);
832 /* Debugging code, should be removed. */
833 //jit_info_table_check (table);
837 mono_jit_info_table_remove (MonoDomain *domain, MonoJitInfo *ji)
839 MonoJitInfoTable *table;
841 mono_domain_lock (domain);
842 table = domain->jit_info_table;
844 ++mono_stats.jit_info_table_remove_count;
846 jit_info_table_remove (table, ji);
848 mono_jit_info_free_or_queue (domain, ji);
850 mono_domain_unlock (domain);
854 mono_jit_info_add_aot_module (MonoImage *image, gpointer start, gpointer end)
858 mono_appdomains_lock ();
861 * We reuse MonoJitInfoTable to store AOT module info,
862 * this gives us async-safe lookup.
864 g_assert (mono_root_domain);
865 if (!mono_root_domain->aot_modules) {
866 mono_root_domain->num_jit_info_tables ++;
867 mono_root_domain->aot_modules = jit_info_table_new (mono_root_domain);
870 ji = g_new0 (MonoJitInfo, 1);
872 ji->code_start = start;
873 ji->code_size = (guint8*)end - (guint8*)start;
874 jit_info_table_add (mono_root_domain, &mono_root_domain->aot_modules, ji);
876 mono_appdomains_unlock ();
880 mono_install_jit_info_find_in_aot (MonoJitInfoFindInAot func)
882 jit_info_find_in_aot_func = func;
886 mono_jit_info_get_code_start (MonoJitInfo* ji)
888 return ji->code_start;
892 mono_jit_info_get_code_size (MonoJitInfo* ji)
894 return ji->code_size;
898 mono_jit_info_get_method (MonoJitInfo* ji)
900 g_assert (!ji->async);
905 jit_info_key_extract (gpointer value)
907 MonoJitInfo *info = (MonoJitInfo*)value;
909 return info->d.method;
913 jit_info_next_value (gpointer value)
915 MonoJitInfo *info = (MonoJitInfo*)value;
917 return (gpointer*)&info->next_jit_code_hash;
921 mono_jit_code_hash_init (MonoInternalHashTable *jit_code_hash)
923 mono_internal_hash_table_init (jit_code_hash,
924 mono_aligned_addr_hash,
925 jit_info_key_extract,
926 jit_info_next_value);
930 mono_jit_info_get_generic_jit_info (MonoJitInfo *ji)
932 if (ji->has_generic_jit_info)
933 return (MonoGenericJitInfo*)&ji->clauses [ji->num_clauses];
939 * mono_jit_info_get_generic_sharing_context:
942 * Returns the jit info's generic sharing context, or NULL if it
945 MonoGenericSharingContext*
946 mono_jit_info_get_generic_sharing_context (MonoJitInfo *ji)
948 MonoGenericJitInfo *gi = mono_jit_info_get_generic_jit_info (ji);
951 return gi->generic_sharing_context;
957 * mono_jit_info_set_generic_sharing_context:
959 * @gsctx: a generic sharing context
961 * Sets the jit info's generic sharing context. The jit info must
962 * have memory allocated for the context.
965 mono_jit_info_set_generic_sharing_context (MonoJitInfo *ji, MonoGenericSharingContext *gsctx)
967 MonoGenericJitInfo *gi = mono_jit_info_get_generic_jit_info (ji);
971 gi->generic_sharing_context = gsctx;
974 MonoTryBlockHoleTableJitInfo*
975 mono_jit_info_get_try_block_hole_table_info (MonoJitInfo *ji)
977 if (ji->has_try_block_holes) {
978 char *ptr = (char*)&ji->clauses [ji->num_clauses];
979 if (ji->has_generic_jit_info)
980 ptr += sizeof (MonoGenericJitInfo);
981 return (MonoTryBlockHoleTableJitInfo*)ptr;
988 mono_jit_info_get_arch_eh_info (MonoJitInfo *ji)
990 if (ji->has_arch_eh_info) {
991 char *ptr = (char*)&ji->clauses [ji->num_clauses];
992 if (ji->has_generic_jit_info)
993 ptr += sizeof (MonoGenericJitInfo);
994 if (ji->has_try_block_holes)
995 ptr += sizeof (MonoTryBlockHoleTableJitInfo);
996 return (MonoArchEHJitInfo*)ptr;
1003 mono_jit_info_get_cas_info (MonoJitInfo *ji)
1005 if (ji->has_cas_info) {
1006 char *ptr = (char*)&ji->clauses [ji->num_clauses];
1007 if (ji->has_generic_jit_info)
1008 ptr += sizeof (MonoGenericJitInfo);
1009 if (ji->has_try_block_holes)
1010 ptr += sizeof (MonoTryBlockHoleTableJitInfo);
1011 if (ji->has_arch_eh_info)
1012 ptr += sizeof (MonoArchEHJitInfo);
1013 return (MonoMethodCasInfo*)ptr;
1019 #define ALIGN_TO(val,align) ((((guint64)val) + ((align) - 1)) & ~((align) - 1))
1020 #define ALIGN_PTR_TO(ptr,align) (gpointer)((((gssize)(ptr)) + (align - 1)) & (~(align - 1)))
1022 static LockFreeMempool*
1023 lock_free_mempool_new (void)
1025 return g_new0 (LockFreeMempool, 1);
1029 lock_free_mempool_free (LockFreeMempool *mp)
1031 LockFreeMempoolChunk *chunk, *next;
1036 mono_vfree (chunk, mono_pagesize ());
1042 * This is async safe
1044 static LockFreeMempoolChunk*
1045 lock_free_mempool_chunk_new (LockFreeMempool *mp, int len)
1047 LockFreeMempoolChunk *chunk, *prev;
1050 size = mono_pagesize ();
1051 while (size - sizeof (LockFreeMempoolChunk) < len)
1052 size += mono_pagesize ();
1053 chunk = mono_valloc (0, size, MONO_MMAP_READ|MONO_MMAP_WRITE);
1055 chunk->mem = ALIGN_PTR_TO ((char*)chunk + sizeof (LockFreeMempoolChunk), 16);
1056 chunk->size = ((char*)chunk + size) - (char*)chunk->mem;
1059 /* Add to list of chunks lock-free */
1062 if (InterlockedCompareExchangePointer ((volatile gpointer*)&mp->chunks, chunk, prev) == prev)
1071 * This is async safe
1074 lock_free_mempool_alloc0 (LockFreeMempool *mp, guint size)
1076 LockFreeMempoolChunk *chunk;
1080 // FIXME: Free the allocator
1082 size = ALIGN_TO (size, 8);
1083 chunk = mp->current;
1085 chunk = lock_free_mempool_chunk_new (mp, size);
1086 mono_memory_barrier ();
1088 mp->current = chunk;
1091 /* The code below is lock-free, 'chunk' is shared state */
1092 oldpos = InterlockedExchangeAdd (&chunk->pos, size);
1093 if (oldpos + size > chunk->size) {
1094 chunk = lock_free_mempool_chunk_new (mp, size);
1095 g_assert (chunk->pos + size <= chunk->size);
1098 mono_memory_barrier ();
1099 mp->current = chunk;
1101 res = (char*)chunk->mem + oldpos;
1108 mono_install_create_domain_hook (MonoCreateDomainFunc func)
1110 create_domain_hook = func;
1114 mono_install_free_domain_hook (MonoFreeDomainFunc func)
1116 free_domain_hook = func;
1120 * mono_string_equal:
1121 * @s1: First string to compare
1122 * @s2: Second string to compare
1124 * Returns FALSE if the strings differ.
1127 mono_string_equal (MonoString *s1, MonoString *s2)
1129 int l1 = mono_string_length (s1);
1130 int l2 = mono_string_length (s2);
1137 return memcmp (mono_string_chars (s1), mono_string_chars (s2), l1 * 2) == 0;
1142 * @s: the string to hash
1144 * Returns the hash for the string.
1147 mono_string_hash (MonoString *s)
1149 const guint16 *p = mono_string_chars (s);
1150 int i, len = mono_string_length (s);
1153 for (i = 0; i < len; i++) {
1154 h = (h << 5) - h + *p;
1162 mono_ptrarray_equal (gpointer *s1, gpointer *s2)
1164 int len = GPOINTER_TO_INT (s1 [0]);
1165 if (len != GPOINTER_TO_INT (s2 [0]))
1168 return memcmp (s1 + 1, s2 + 1, len * sizeof(gpointer)) == 0;
1172 mono_ptrarray_hash (gpointer *s)
1175 int len = GPOINTER_TO_INT (s [0]);
1178 for (i = 1; i < len; i++)
1179 hash += GPOINTER_TO_UINT (s [i]);
1185 * Allocate an id for domain and set domain->domain_id.
1186 * LOCKING: must be called while holding appdomains_mutex.
1187 * We try to assign low numbers to the domain, so it can be used
1188 * as an index in data tables to lookup domain-specific info
1189 * with minimal memory overhead. We also try not to reuse the
1190 * same id too quickly (to help debugging).
1193 domain_id_alloc (MonoDomain *domain)
1196 if (!appdomains_list) {
1197 appdomain_list_size = 2;
1198 appdomains_list = mono_gc_alloc_fixed (appdomain_list_size * sizeof (void*), NULL);
1200 for (i = appdomain_next; i < appdomain_list_size; ++i) {
1201 if (!appdomains_list [i]) {
1207 for (i = 0; i < appdomain_next; ++i) {
1208 if (!appdomains_list [i]) {
1215 MonoDomain **new_list;
1216 int new_size = appdomain_list_size * 2;
1217 if (new_size >= (1 << 16))
1218 g_assert_not_reached ();
1219 id = appdomain_list_size;
1220 new_list = mono_gc_alloc_fixed (new_size * sizeof (void*), NULL);
1221 memcpy (new_list, appdomains_list, appdomain_list_size * sizeof (void*));
1222 mono_gc_free_fixed (appdomains_list);
1223 appdomains_list = new_list;
1224 appdomain_list_size = new_size;
1226 domain->domain_id = id;
1227 appdomains_list [id] = domain;
1229 if (appdomain_next > appdomain_list_size)
1234 static gsize domain_gc_bitmap [sizeof(MonoDomain)/4/32 + 1];
1235 static gpointer domain_gc_desc = NULL;
1236 static guint32 domain_shadow_serial = 0L;
1239 mono_domain_create (void)
1242 guint32 shadow_serial;
1244 mono_appdomains_lock ();
1245 shadow_serial = domain_shadow_serial++;
1247 if (!domain_gc_desc) {
1248 unsigned int i, bit = 0;
1249 for (i = G_STRUCT_OFFSET (MonoDomain, MONO_DOMAIN_FIRST_OBJECT); i < G_STRUCT_OFFSET (MonoDomain, MONO_DOMAIN_FIRST_GC_TRACKED); i += sizeof (gpointer)) {
1250 bit = i / sizeof (gpointer);
1251 domain_gc_bitmap [bit / 32] |= (gsize) 1 << (bit % 32);
1253 domain_gc_desc = mono_gc_make_descr_from_bitmap ((gsize*)domain_gc_bitmap, bit + 1);
1255 mono_appdomains_unlock ();
1257 #ifdef HAVE_BOEHM_GC
1259 * Boehm doesn't like roots inside GC allocated objects, and alloc_fixed returns
1260 * a GC_MALLOC-ed object, contrary to the api docs. This causes random crashes when
1261 * running the corlib test suite.
1262 * To solve this, we pass a NULL descriptor, and don't register roots.
1264 domain = mono_gc_alloc_fixed (sizeof (MonoDomain), NULL);
1266 domain = mono_gc_alloc_fixed (sizeof (MonoDomain), domain_gc_desc);
1267 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);
1269 domain->shadow_serial = shadow_serial;
1270 domain->domain = NULL;
1271 domain->setup = NULL;
1272 domain->friendly_name = NULL;
1273 domain->search_path = NULL;
1275 mono_profiler_appdomain_event (domain, MONO_PROFILE_START_LOAD);
1277 domain->mp = mono_mempool_new ();
1278 domain->code_mp = mono_code_manager_new ();
1279 domain->lock_free_mp = lock_free_mempool_new ();
1280 domain->env = mono_g_hash_table_new_type ((GHashFunc)mono_string_hash, (GCompareFunc)mono_string_equal, MONO_HASH_KEY_VALUE_GC);
1281 domain->domain_assemblies = NULL;
1282 domain->assembly_bindings = NULL;
1283 domain->assembly_bindings_parsed = FALSE;
1284 domain->class_vtable_array = g_ptr_array_new ();
1285 domain->proxy_vtable_hash = g_hash_table_new ((GHashFunc)mono_ptrarray_hash, (GCompareFunc)mono_ptrarray_equal);
1286 domain->static_data_array = NULL;
1287 mono_jit_code_hash_init (&domain->jit_code_hash);
1288 domain->ldstr_table = mono_g_hash_table_new_type ((GHashFunc)mono_string_hash, (GCompareFunc)mono_string_equal, MONO_HASH_KEY_VALUE_GC);
1289 domain->num_jit_info_tables = 1;
1290 domain->jit_info_table = jit_info_table_new (domain);
1291 domain->jit_info_free_queue = NULL;
1292 domain->finalizable_objects_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
1293 domain->ftnptrs_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
1295 InitializeCriticalSection (&domain->lock);
1296 InitializeCriticalSection (&domain->assemblies_lock);
1297 InitializeCriticalSection (&domain->jit_code_hash_lock);
1298 InitializeCriticalSection (&domain->finalizable_objects_hash_lock);
1300 domain->method_rgctx_hash = NULL;
1302 mono_appdomains_lock ();
1303 domain_id_alloc (domain);
1304 mono_appdomains_unlock ();
1306 #ifndef DISABLE_PERFCOUNTERS
1307 mono_perfcounters->loader_appdomains++;
1308 mono_perfcounters->loader_total_appdomains++;
1311 mono_debug_domain_create (domain);
1313 if (create_domain_hook)
1314 create_domain_hook (domain);
1316 mono_profiler_appdomain_loaded (domain, MONO_PROFILE_OK);
1322 * mono_init_internal:
1324 * Creates the initial application domain and initializes the mono_defaults
1326 * This function is guaranteed to not run any IL code.
1327 * If exe_filename is not NULL, the method will determine the required runtime
1328 * from the exe configuration file or the version PE field.
1329 * If runtime_version is not NULL, that runtime version will be used.
1330 * Either exe_filename or runtime_version must be provided.
1332 * Returns: the initial domain.
1335 mono_init_internal (const char *filename, const char *exe_filename, const char *runtime_version)
1337 static MonoDomain *domain = NULL;
1338 MonoAssembly *ass = NULL;
1339 MonoImageOpenStatus status = MONO_IMAGE_OK;
1340 const MonoRuntimeInfo* runtimes [G_N_ELEMENTS (supported_runtimes) + 1];
1344 g_assert_not_reached ();
1347 /* Avoid system error message boxes. */
1348 SetErrorMode (SEM_FAILCRITICALERRORS | SEM_NOOPENFILEERRORBOX);
1355 #ifndef DISABLE_PERFCOUNTERS
1356 mono_perfcounters_init ();
1359 mono_counters_register ("Max native code in a domain", MONO_COUNTER_INT|MONO_COUNTER_JIT, &max_domain_code_size);
1360 mono_counters_register ("Max code space allocated in a domain", MONO_COUNTER_INT|MONO_COUNTER_JIT, &max_domain_code_alloc);
1361 mono_counters_register ("Total code space allocated", MONO_COUNTER_INT|MONO_COUNTER_JIT, &total_domain_code_alloc);
1363 mono_gc_base_init ();
1365 MONO_FAST_TLS_INIT (tls_appdomain);
1366 mono_native_tls_alloc (&appdomain_thread_id, NULL);
1368 InitializeCriticalSection (&appdomains_mutex);
1370 mono_metadata_init ();
1371 mono_images_init ();
1372 mono_assemblies_init ();
1373 mono_classes_init ();
1374 mono_loader_init ();
1375 mono_reflection_init ();
1376 mono_runtime_init_tls ();
1378 /* FIXME: When should we release this memory? */
1379 MONO_GC_REGISTER_ROOT_FIXED (appdomains_list);
1381 domain = mono_domain_create ();
1382 mono_root_domain = domain;
1384 SET_APPDOMAIN (domain);
1386 /* Get a list of runtimes supported by the exe */
1387 if (exe_filename != NULL) {
1389 * This function will load the exe file as a MonoImage. We need to close it, but
1390 * that would mean it would be reloaded later. So instead, we save it to
1391 * exe_image, and close it during shutdown.
1393 get_runtimes_from_exe (exe_filename, &exe_image, runtimes);
1396 exe_image = mono_assembly_open_from_bundle (exe_filename, NULL, FALSE);
1398 exe_image = mono_image_open (exe_filename, NULL);
1400 mono_fixup_exe_image (exe_image);
1402 } else if (runtime_version != NULL) {
1403 runtimes [0] = get_runtime_by_version (runtime_version);
1404 runtimes [1] = NULL;
1407 if (runtimes [0] == NULL) {
1408 const MonoRuntimeInfo *default_runtime = get_runtime_by_version (DEFAULT_RUNTIME_VERSION);
1409 runtimes [0] = default_runtime;
1410 runtimes [1] = NULL;
1411 g_print ("WARNING: The runtime version supported by this application is unavailable.\n");
1412 g_print ("Using default runtime: %s\n", default_runtime->runtime_version);
1415 /* The selected runtime will be the first one for which there is a mscrolib.dll */
1416 for (n = 0; runtimes [n] != NULL && ass == NULL; n++) {
1417 current_runtime = runtimes [n];
1418 ass = mono_assembly_load_corlib (current_runtime, &status);
1419 if (status != MONO_IMAGE_OK && status != MONO_IMAGE_ERROR_ERRNO)
1424 if ((status != MONO_IMAGE_OK) || (ass == NULL)) {
1426 case MONO_IMAGE_ERROR_ERRNO: {
1427 char *corlib_file = g_build_filename (mono_assembly_getrootdir (), "mono", current_runtime->framework_version, "mscorlib.dll", NULL);
1428 g_print ("The assembly mscorlib.dll was not found or could not be loaded.\n");
1429 g_print ("It should have been installed in the `%s' directory.\n", corlib_file);
1430 g_free (corlib_file);
1433 case MONO_IMAGE_IMAGE_INVALID:
1434 g_print ("The file %s/mscorlib.dll is an invalid CIL image\n",
1435 mono_assembly_getrootdir ());
1437 case MONO_IMAGE_MISSING_ASSEMBLYREF:
1438 g_print ("Missing assembly reference in %s/mscorlib.dll\n",
1439 mono_assembly_getrootdir ());
1442 /* to suppress compiler warning */
1448 mono_defaults.corlib = mono_assembly_get_image (ass);
1450 mono_defaults.object_class = mono_class_from_name (
1451 mono_defaults.corlib, "System", "Object");
1452 g_assert (mono_defaults.object_class != 0);
1454 mono_defaults.void_class = mono_class_from_name (
1455 mono_defaults.corlib, "System", "Void");
1456 g_assert (mono_defaults.void_class != 0);
1458 mono_defaults.boolean_class = mono_class_from_name (
1459 mono_defaults.corlib, "System", "Boolean");
1460 g_assert (mono_defaults.boolean_class != 0);
1462 mono_defaults.byte_class = mono_class_from_name (
1463 mono_defaults.corlib, "System", "Byte");
1464 g_assert (mono_defaults.byte_class != 0);
1466 mono_defaults.sbyte_class = mono_class_from_name (
1467 mono_defaults.corlib, "System", "SByte");
1468 g_assert (mono_defaults.sbyte_class != 0);
1470 mono_defaults.int16_class = mono_class_from_name (
1471 mono_defaults.corlib, "System", "Int16");
1472 g_assert (mono_defaults.int16_class != 0);
1474 mono_defaults.uint16_class = mono_class_from_name (
1475 mono_defaults.corlib, "System", "UInt16");
1476 g_assert (mono_defaults.uint16_class != 0);
1478 mono_defaults.int32_class = mono_class_from_name (
1479 mono_defaults.corlib, "System", "Int32");
1480 g_assert (mono_defaults.int32_class != 0);
1482 mono_defaults.uint32_class = mono_class_from_name (
1483 mono_defaults.corlib, "System", "UInt32");
1484 g_assert (mono_defaults.uint32_class != 0);
1486 mono_defaults.uint_class = mono_class_from_name (
1487 mono_defaults.corlib, "System", "UIntPtr");
1488 g_assert (mono_defaults.uint_class != 0);
1490 mono_defaults.int_class = mono_class_from_name (
1491 mono_defaults.corlib, "System", "IntPtr");
1492 g_assert (mono_defaults.int_class != 0);
1494 mono_defaults.int64_class = mono_class_from_name (
1495 mono_defaults.corlib, "System", "Int64");
1496 g_assert (mono_defaults.int64_class != 0);
1498 mono_defaults.uint64_class = mono_class_from_name (
1499 mono_defaults.corlib, "System", "UInt64");
1500 g_assert (mono_defaults.uint64_class != 0);
1502 mono_defaults.single_class = mono_class_from_name (
1503 mono_defaults.corlib, "System", "Single");
1504 g_assert (mono_defaults.single_class != 0);
1506 mono_defaults.double_class = mono_class_from_name (
1507 mono_defaults.corlib, "System", "Double");
1508 g_assert (mono_defaults.double_class != 0);
1510 mono_defaults.char_class = mono_class_from_name (
1511 mono_defaults.corlib, "System", "Char");
1512 g_assert (mono_defaults.char_class != 0);
1514 mono_defaults.string_class = mono_class_from_name (
1515 mono_defaults.corlib, "System", "String");
1516 g_assert (mono_defaults.string_class != 0);
1518 mono_defaults.enum_class = mono_class_from_name (
1519 mono_defaults.corlib, "System", "Enum");
1520 g_assert (mono_defaults.enum_class != 0);
1522 mono_defaults.array_class = mono_class_from_name (
1523 mono_defaults.corlib, "System", "Array");
1524 g_assert (mono_defaults.array_class != 0);
1526 mono_defaults.delegate_class = mono_class_from_name (
1527 mono_defaults.corlib, "System", "Delegate");
1528 g_assert (mono_defaults.delegate_class != 0 );
1530 mono_defaults.multicastdelegate_class = mono_class_from_name (
1531 mono_defaults.corlib, "System", "MulticastDelegate");
1532 g_assert (mono_defaults.multicastdelegate_class != 0 );
1534 mono_defaults.asyncresult_class = mono_class_from_name (
1535 mono_defaults.corlib, "System.Runtime.Remoting.Messaging",
1537 g_assert (mono_defaults.asyncresult_class != 0 );
1539 mono_defaults.manualresetevent_class = mono_class_from_name (
1540 mono_defaults.corlib, "System.Threading", "ManualResetEvent");
1541 g_assert (mono_defaults.manualresetevent_class != 0 );
1543 mono_defaults.typehandle_class = mono_class_from_name (
1544 mono_defaults.corlib, "System", "RuntimeTypeHandle");
1545 g_assert (mono_defaults.typehandle_class != 0);
1547 mono_defaults.methodhandle_class = mono_class_from_name (
1548 mono_defaults.corlib, "System", "RuntimeMethodHandle");
1549 g_assert (mono_defaults.methodhandle_class != 0);
1551 mono_defaults.fieldhandle_class = mono_class_from_name (
1552 mono_defaults.corlib, "System", "RuntimeFieldHandle");
1553 g_assert (mono_defaults.fieldhandle_class != 0);
1555 mono_defaults.systemtype_class = mono_class_from_name (
1556 mono_defaults.corlib, "System", "Type");
1557 g_assert (mono_defaults.systemtype_class != 0);
1559 mono_defaults.monotype_class = mono_class_from_name (
1560 mono_defaults.corlib, "System", "MonoType");
1561 g_assert (mono_defaults.monotype_class != 0);
1563 mono_defaults.exception_class = mono_class_from_name (
1564 mono_defaults.corlib, "System", "Exception");
1565 g_assert (mono_defaults.exception_class != 0);
1567 mono_defaults.threadabortexception_class = mono_class_from_name (
1568 mono_defaults.corlib, "System.Threading", "ThreadAbortException");
1569 g_assert (mono_defaults.threadabortexception_class != 0);
1571 mono_defaults.thread_class = mono_class_from_name (
1572 mono_defaults.corlib, "System.Threading", "Thread");
1573 g_assert (mono_defaults.thread_class != 0);
1575 mono_defaults.internal_thread_class = mono_class_from_name (
1576 mono_defaults.corlib, "System.Threading", "InternalThread");
1577 if (!mono_defaults.internal_thread_class) {
1578 /* This can happen with an old mscorlib */
1579 fprintf (stderr, "Corlib too old for this runtime.\n");
1580 fprintf (stderr, "Loaded from: %s\n",
1581 mono_defaults.corlib? mono_image_get_filename (mono_defaults.corlib): "unknown");
1585 mono_defaults.appdomain_class = mono_class_from_name (
1586 mono_defaults.corlib, "System", "AppDomain");
1587 g_assert (mono_defaults.appdomain_class != 0);
1589 #ifndef DISABLE_REMOTING
1590 mono_defaults.transparent_proxy_class = mono_class_from_name (
1591 mono_defaults.corlib, "System.Runtime.Remoting.Proxies", "TransparentProxy");
1592 g_assert (mono_defaults.transparent_proxy_class != 0);
1594 mono_defaults.real_proxy_class = mono_class_from_name (
1595 mono_defaults.corlib, "System.Runtime.Remoting.Proxies", "RealProxy");
1596 g_assert (mono_defaults.real_proxy_class != 0);
1598 mono_defaults.marshalbyrefobject_class = mono_class_from_name (
1599 mono_defaults.corlib, "System", "MarshalByRefObject");
1600 g_assert (mono_defaults.marshalbyrefobject_class != 0);
1602 mono_defaults.iremotingtypeinfo_class = mono_class_from_name (
1603 mono_defaults.corlib, "System.Runtime.Remoting", "IRemotingTypeInfo");
1604 g_assert (mono_defaults.iremotingtypeinfo_class != 0);
1607 mono_defaults.mono_method_message_class = mono_class_from_name (
1608 mono_defaults.corlib, "System.Runtime.Remoting.Messaging", "MonoMethodMessage");
1609 g_assert (mono_defaults.mono_method_message_class != 0);
1611 mono_defaults.field_info_class = mono_class_from_name (
1612 mono_defaults.corlib, "System.Reflection", "FieldInfo");
1613 g_assert (mono_defaults.field_info_class != 0);
1615 mono_defaults.method_info_class = mono_class_from_name (
1616 mono_defaults.corlib, "System.Reflection", "MethodInfo");
1617 g_assert (mono_defaults.method_info_class != 0);
1619 mono_defaults.stringbuilder_class = mono_class_from_name (
1620 mono_defaults.corlib, "System.Text", "StringBuilder");
1621 g_assert (mono_defaults.stringbuilder_class != 0);
1623 mono_defaults.math_class = mono_class_from_name (
1624 mono_defaults.corlib, "System", "Math");
1625 g_assert (mono_defaults.math_class != 0);
1627 mono_defaults.stack_frame_class = mono_class_from_name (
1628 mono_defaults.corlib, "System.Diagnostics", "StackFrame");
1629 g_assert (mono_defaults.stack_frame_class != 0);
1631 mono_defaults.stack_trace_class = mono_class_from_name (
1632 mono_defaults.corlib, "System.Diagnostics", "StackTrace");
1633 g_assert (mono_defaults.stack_trace_class != 0);
1635 mono_defaults.marshal_class = mono_class_from_name (
1636 mono_defaults.corlib, "System.Runtime.InteropServices", "Marshal");
1637 g_assert (mono_defaults.marshal_class != 0);
1639 mono_defaults.typed_reference_class = mono_class_from_name (
1640 mono_defaults.corlib, "System", "TypedReference");
1641 g_assert (mono_defaults.typed_reference_class != 0);
1643 mono_defaults.argumenthandle_class = mono_class_from_name (
1644 mono_defaults.corlib, "System", "RuntimeArgumentHandle");
1645 g_assert (mono_defaults.argumenthandle_class != 0);
1647 mono_defaults.monitor_class = mono_class_from_name (
1648 mono_defaults.corlib, "System.Threading", "Monitor");
1649 g_assert (mono_defaults.monitor_class != 0);
1651 mono_defaults.runtimesecurityframe_class = mono_class_from_name (
1652 mono_defaults.corlib, "System.Security", "RuntimeSecurityFrame");
1654 mono_defaults.executioncontext_class = mono_class_from_name (
1655 mono_defaults.corlib, "System.Threading", "ExecutionContext");
1657 mono_defaults.internals_visible_class = mono_class_from_name (
1658 mono_defaults.corlib, "System.Runtime.CompilerServices", "InternalsVisibleToAttribute");
1660 mono_defaults.critical_finalizer_object = mono_class_from_name (
1661 mono_defaults.corlib, "System.Runtime.ConstrainedExecution", "CriticalFinalizerObject");
1664 * mscorlib needs a little help, only now it can load its friends list (after we have
1665 * loaded the InternalsVisibleToAttribute), load it now
1667 mono_assembly_load_friends (ass);
1669 mono_defaults.safehandle_class = mono_class_from_name (
1670 mono_defaults.corlib, "System.Runtime.InteropServices", "SafeHandle");
1672 mono_defaults.handleref_class = mono_class_from_name (
1673 mono_defaults.corlib, "System.Runtime.InteropServices", "HandleRef");
1675 mono_defaults.attribute_class = mono_class_from_name (
1676 mono_defaults.corlib, "System", "Attribute");
1678 mono_defaults.customattribute_data_class = mono_class_from_name (
1679 mono_defaults.corlib, "System.Reflection", "CustomAttributeData");
1681 /* these are initialized lazily when COM features are used */
1683 mono_class_init (mono_defaults.array_class);
1684 mono_defaults.generic_nullable_class = mono_class_from_name (
1685 mono_defaults.corlib, "System", "Nullable`1");
1686 mono_defaults.generic_ilist_class = mono_class_from_name (
1687 mono_defaults.corlib, "System.Collections.Generic", "IList`1");
1688 mono_defaults.generic_ireadonlylist_class = mono_class_from_name (
1689 mono_defaults.corlib, "System.Collections.Generic", "IReadOnlyList`1");
1691 domain->friendly_name = g_path_get_basename (filename);
1693 _mono_debug_init_corlib (domain);
1701 * Creates the initial application domain and initializes the mono_defaults
1703 * This function is guaranteed to not run any IL code.
1704 * The runtime is initialized using the default runtime version.
1706 * Returns: the initial domain.
1709 mono_init (const char *domain_name)
1711 return mono_init_internal (domain_name, NULL, DEFAULT_RUNTIME_VERSION);
1715 * mono_init_from_assembly:
1716 * @domain_name: name to give to the initial domain
1717 * @filename: filename to load on startup
1719 * Used by the runtime, users should use mono_jit_init instead.
1721 * Creates the initial application domain and initializes the mono_defaults
1723 * This function is guaranteed to not run any IL code.
1724 * The runtime is initialized using the runtime version required by the
1725 * provided executable. The version is determined by looking at the exe
1726 * configuration file and the version PE field)
1728 * Returns: the initial domain.
1731 mono_init_from_assembly (const char *domain_name, const char *filename)
1733 return mono_init_internal (domain_name, filename, NULL);
1737 * mono_init_version:
1739 * Used by the runtime, users should use mono_jit_init instead.
1741 * Creates the initial application domain and initializes the mono_defaults
1744 * This function is guaranteed to not run any IL code.
1745 * The runtime is initialized using the provided rutime version.
1747 * Returns: the initial domain.
1750 mono_init_version (const char *domain_name, const char *version)
1752 return mono_init_internal (domain_name, NULL, version);
1758 * Cleans up all metadata modules.
1763 mono_close_exe_image ();
1765 mono_defaults.corlib = NULL;
1767 mono_config_cleanup ();
1768 mono_loader_cleanup ();
1769 mono_classes_cleanup ();
1770 mono_assemblies_cleanup ();
1771 mono_images_cleanup ();
1772 mono_debug_cleanup ();
1773 mono_metadata_cleanup ();
1775 mono_native_tls_free (appdomain_thread_id);
1776 DeleteCriticalSection (&appdomains_mutex);
1784 mono_close_exe_image (void)
1787 mono_image_close (exe_image);
1791 * mono_get_root_domain:
1793 * The root AppDomain is the initial domain created by the runtime when it is
1794 * initialized. Programs execute on this AppDomain, but can create new ones
1795 * later. Currently there is no unmanaged API to create new AppDomains, this
1796 * must be done from managed code.
1798 * Returns: the root appdomain, to obtain the current domain, use mono_domain_get ()
1801 mono_get_root_domain (void)
1803 return mono_root_domain;
1809 * Returns: the current domain, to obtain the root domain use
1810 * mono_get_root_domain().
1815 return GET_APPDOMAIN ();
1819 mono_domain_unset (void)
1821 SET_APPDOMAIN (NULL);
1825 mono_domain_set_internal_with_options (MonoDomain *domain, gboolean migrate_exception)
1827 MonoInternalThread *thread;
1829 if (mono_domain_get () == domain)
1832 SET_APPDOMAIN (domain);
1833 SET_APPCONTEXT (domain->default_context);
1835 if (migrate_exception) {
1836 thread = mono_thread_internal_current ();
1837 if (!thread->abort_exc)
1840 g_assert (thread->abort_exc->object.vtable->domain != domain);
1841 MONO_OBJECT_SETREF (thread, abort_exc, mono_get_exception_thread_abort ());
1842 g_assert (thread->abort_exc->object.vtable->domain == domain);
1847 * mono_domain_set_internal:
1848 * @domain: the new domain
1850 * Sets the current domain to @domain.
1853 mono_domain_set_internal (MonoDomain *domain)
1855 mono_domain_set_internal_with_options (domain, TRUE);
1859 mono_domain_foreach (MonoDomainFunc func, gpointer user_data)
1865 * Create a copy of the data to avoid calling the user callback
1866 * inside the lock because that could lead to deadlocks.
1867 * We can do this because this function is not perf. critical.
1869 mono_appdomains_lock ();
1870 size = appdomain_list_size;
1871 copy = mono_gc_alloc_fixed (appdomain_list_size * sizeof (void*), NULL);
1872 memcpy (copy, appdomains_list, appdomain_list_size * sizeof (void*));
1873 mono_appdomains_unlock ();
1875 for (i = 0; i < size; ++i) {
1877 func (copy [i], user_data);
1880 mono_gc_free_fixed (copy);
1884 * mono_domain_assembly_open:
1885 * @domain: the application domain
1886 * @name: file name of the assembly
1888 * fixme: maybe we should integrate this with mono_assembly_open ??
1891 mono_domain_assembly_open (MonoDomain *domain, const char *name)
1893 MonoDomain *current;
1897 mono_domain_assemblies_lock (domain);
1898 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
1900 if (strcmp (name, ass->aname.name) == 0) {
1901 mono_domain_assemblies_unlock (domain);
1905 mono_domain_assemblies_unlock (domain);
1907 if (domain != mono_domain_get ()) {
1908 current = mono_domain_get ();
1910 mono_domain_set (domain, FALSE);
1911 ass = mono_assembly_open (name, NULL);
1912 mono_domain_set (current, FALSE);
1914 ass = mono_assembly_open (name, NULL);
1921 unregister_vtable_reflection_type (MonoVTable *vtable)
1923 MonoObject *type = vtable->type;
1925 if (type->vtable->klass != mono_defaults.monotype_class)
1926 MONO_GC_UNREGISTER_ROOT_IF_MOVING (vtable->type);
1930 mono_domain_free (MonoDomain *domain, gboolean force)
1932 int code_size, code_alloc;
1936 if ((domain == mono_root_domain) && !force) {
1937 g_warning ("cant unload root domain");
1941 if (mono_dont_free_domains)
1944 mono_profiler_appdomain_event (domain, MONO_PROFILE_START_UNLOAD);
1946 mono_debug_domain_unload (domain);
1948 mono_appdomains_lock ();
1949 appdomains_list [domain->domain_id] = NULL;
1950 mono_appdomains_unlock ();
1952 /* must do this early as it accesses fields and types */
1953 if (domain->special_static_fields) {
1954 mono_alloc_special_static_data_free (domain->special_static_fields);
1955 g_hash_table_destroy (domain->special_static_fields);
1956 domain->special_static_fields = NULL;
1960 * We must destroy all these hash tables here because they
1961 * contain references to managed objects belonging to the
1962 * domain. Once we let the GC clear the domain there must be
1963 * no more such references, or we'll crash if a collection
1966 mono_g_hash_table_destroy (domain->ldstr_table);
1967 domain->ldstr_table = NULL;
1969 mono_g_hash_table_destroy (domain->env);
1972 if (domain->tlsrec_list) {
1973 mono_thread_destroy_domain_tls (domain);
1974 domain->tlsrec_list = NULL;
1977 mono_reflection_cleanup_domain (domain);
1979 if (domain->type_hash) {
1980 mono_g_hash_table_destroy (domain->type_hash);
1981 domain->type_hash = NULL;
1983 if (domain->type_init_exception_hash) {
1984 mono_g_hash_table_destroy (domain->type_init_exception_hash);
1985 domain->type_init_exception_hash = NULL;
1988 if (domain->class_vtable_array) {
1990 for (i = 0; i < domain->class_vtable_array->len; ++i)
1991 unregister_vtable_reflection_type (g_ptr_array_index (domain->class_vtable_array, i));
1994 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
1995 MonoAssembly *ass = tmp->data;
1996 mono_assembly_release_gc_roots (ass);
1999 /* Have to zero out reference fields since they will be invalidated by the clear_domain () call below */
2000 for (p = (gpointer*)&domain->MONO_DOMAIN_FIRST_OBJECT; p < (gpointer*)&domain->MONO_DOMAIN_FIRST_GC_TRACKED; ++p)
2003 /* This needs to be done before closing assemblies */
2004 mono_gc_clear_domain (domain);
2006 /* Close dynamic assemblies first, since they have no ref count */
2007 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
2008 MonoAssembly *ass = tmp->data;
2009 if (!ass->image || !ass->image->dynamic)
2011 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY, "Unloading domain %s[%p], assembly %s[%p], ref_count=%d", domain->friendly_name, domain, ass->aname.name, ass, ass->ref_count);
2012 if (!mono_assembly_close_except_image_pools (ass))
2016 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
2017 MonoAssembly *ass = tmp->data;
2020 if (!ass->image || ass->image->dynamic)
2022 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY, "Unloading domain %s[%p], assembly %s[%p], ref_count=%d", domain->friendly_name, domain, ass->aname.name, ass, ass->ref_count);
2023 if (!mono_assembly_close_except_image_pools (ass))
2027 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
2028 MonoAssembly *ass = tmp->data;
2030 mono_assembly_close_finish (ass);
2032 g_slist_free (domain->domain_assemblies);
2033 domain->domain_assemblies = NULL;
2036 * Send this after the assemblies have been unloaded and the domain is still in a
2039 mono_profiler_appdomain_event (domain, MONO_PROFILE_END_UNLOAD);
2041 if (free_domain_hook)
2042 free_domain_hook (domain);
2044 /* FIXME: free delegate_hash_table when it's used */
2045 if (domain->search_path) {
2046 g_strfreev (domain->search_path);
2047 domain->search_path = NULL;
2049 domain->create_proxy_for_type_method = NULL;
2050 domain->private_invoke_method = NULL;
2051 domain->default_context = NULL;
2052 domain->out_of_memory_ex = NULL;
2053 domain->null_reference_ex = NULL;
2054 domain->stack_overflow_ex = NULL;
2055 domain->ephemeron_tombstone = NULL;
2056 domain->entry_assembly = NULL;
2058 g_free (domain->friendly_name);
2059 domain->friendly_name = NULL;
2060 g_ptr_array_free (domain->class_vtable_array, TRUE);
2061 domain->class_vtable_array = NULL;
2062 g_hash_table_destroy (domain->proxy_vtable_hash);
2063 domain->proxy_vtable_hash = NULL;
2064 if (domain->static_data_array) {
2065 mono_gc_free_fixed (domain->static_data_array);
2066 domain->static_data_array = NULL;
2068 mono_internal_hash_table_destroy (&domain->jit_code_hash);
2071 * There might still be jit info tables of this domain which
2072 * are not freed. Since the domain cannot be in use anymore,
2073 * this will free them.
2075 mono_thread_hazardous_try_free_all ();
2076 if (domain->aot_modules)
2077 jit_info_table_free (domain->aot_modules);
2078 g_assert (domain->num_jit_info_tables == 1);
2079 jit_info_table_free (domain->jit_info_table);
2080 domain->jit_info_table = NULL;
2081 g_assert (!domain->jit_info_free_queue);
2083 /* collect statistics */
2084 code_alloc = mono_code_manager_size (domain->code_mp, &code_size);
2085 total_domain_code_alloc += code_alloc;
2086 max_domain_code_alloc = MAX (max_domain_code_alloc, code_alloc);
2087 max_domain_code_size = MAX (max_domain_code_size, code_size);
2089 #ifdef DEBUG_DOMAIN_UNLOAD
2090 mono_mempool_invalidate (domain->mp);
2091 mono_code_manager_invalidate (domain->code_mp);
2093 #ifndef DISABLE_PERFCOUNTERS
2094 mono_perfcounters->loader_bytes -= mono_mempool_get_allocated (domain->mp);
2096 mono_mempool_destroy (domain->mp);
2098 mono_code_manager_destroy (domain->code_mp);
2099 domain->code_mp = NULL;
2101 lock_free_mempool_free (domain->lock_free_mp);
2102 domain->lock_free_mp = NULL;
2104 g_hash_table_destroy (domain->finalizable_objects_hash);
2105 domain->finalizable_objects_hash = NULL;
2106 if (domain->method_rgctx_hash) {
2107 g_hash_table_destroy (domain->method_rgctx_hash);
2108 domain->method_rgctx_hash = NULL;
2110 if (domain->generic_virtual_cases) {
2111 g_hash_table_destroy (domain->generic_virtual_cases);
2112 domain->generic_virtual_cases = NULL;
2114 if (domain->generic_virtual_thunks) {
2115 g_hash_table_destroy (domain->generic_virtual_thunks);
2116 domain->generic_virtual_thunks = NULL;
2118 if (domain->ftnptrs_hash) {
2119 g_hash_table_destroy (domain->ftnptrs_hash);
2120 domain->ftnptrs_hash = NULL;
2123 DeleteCriticalSection (&domain->finalizable_objects_hash_lock);
2124 DeleteCriticalSection (&domain->assemblies_lock);
2125 DeleteCriticalSection (&domain->jit_code_hash_lock);
2126 DeleteCriticalSection (&domain->lock);
2127 domain->setup = NULL;
2129 mono_gc_deregister_root ((char*)&(domain->MONO_DOMAIN_FIRST_GC_TRACKED));
2131 /* FIXME: anything else required ? */
2133 mono_gc_free_fixed (domain);
2135 #ifndef DISABLE_PERFCOUNTERS
2136 mono_perfcounters->loader_appdomains--;
2139 if (domain == mono_root_domain)
2140 mono_root_domain = NULL;
2144 * mono_domain_get_id:
2147 * Returns: the a domain for a specific domain id.
2150 mono_domain_get_by_id (gint32 domainid)
2152 MonoDomain * domain;
2154 mono_appdomains_lock ();
2155 if (domainid < appdomain_list_size)
2156 domain = appdomains_list [domainid];
2159 mono_appdomains_unlock ();
2165 mono_domain_get_id (MonoDomain *domain)
2167 return domain->domain_id;
2171 * mono_domain_alloc:
2173 * LOCKING: Acquires the domain lock.
2176 mono_domain_alloc (MonoDomain *domain, guint size)
2180 mono_domain_lock (domain);
2181 #ifndef DISABLE_PERFCOUNTERS
2182 mono_perfcounters->loader_bytes += size;
2184 res = mono_mempool_alloc (domain->mp, size);
2185 mono_domain_unlock (domain);
2191 * mono_domain_alloc0:
2193 * LOCKING: Acquires the domain lock.
2196 mono_domain_alloc0 (MonoDomain *domain, guint size)
2200 mono_domain_lock (domain);
2201 #ifndef DISABLE_PERFCOUNTERS
2202 mono_perfcounters->loader_bytes += size;
2204 res = mono_mempool_alloc0 (domain->mp, size);
2205 mono_domain_unlock (domain);
2211 mono_domain_alloc0_lock_free (MonoDomain *domain, guint size)
2213 return lock_free_mempool_alloc0 (domain->lock_free_mp, size);
2217 * mono_domain_code_reserve:
2219 * LOCKING: Acquires the domain lock.
2222 mono_domain_code_reserve (MonoDomain *domain, int size)
2226 mono_domain_lock (domain);
2227 res = mono_code_manager_reserve (domain->code_mp, size);
2228 mono_domain_unlock (domain);
2234 * mono_domain_code_reserve_align:
2236 * LOCKING: Acquires the domain lock.
2239 mono_domain_code_reserve_align (MonoDomain *domain, int size, int alignment)
2243 mono_domain_lock (domain);
2244 res = mono_code_manager_reserve_align (domain->code_mp, size, alignment);
2245 mono_domain_unlock (domain);
2251 * mono_domain_code_commit:
2253 * LOCKING: Acquires the domain lock.
2256 mono_domain_code_commit (MonoDomain *domain, void *data, int size, int newsize)
2258 mono_domain_lock (domain);
2259 mono_code_manager_commit (domain->code_mp, data, size, newsize);
2260 mono_domain_unlock (domain);
2263 #if defined(__native_client_codegen__) && defined(__native_client__)
2265 * Given the temporary buffer (allocated by mono_domain_code_reserve) into which
2266 * we are generating code, return a pointer to the destination in the dynamic
2267 * code segment into which the code will be copied when mono_domain_code_commit
2269 * LOCKING: Acquires the domain lock.
2272 nacl_domain_get_code_dest (MonoDomain *domain, void *data)
2275 mono_domain_lock (domain);
2276 dest = nacl_code_manager_get_code_dest (domain->code_mp, data);
2277 mono_domain_unlock (domain);
2282 * Convenience function which calls mono_domain_code_commit to validate and copy
2283 * the code. The caller sets *buf_base and *buf_size to the start and size of
2284 * the buffer (allocated by mono_domain_code_reserve), and *code_end to the byte
2285 * after the last instruction byte. On return, *buf_base will point to the start
2286 * of the copied in the code segment, and *code_end will point after the end of
2290 nacl_domain_code_validate (MonoDomain *domain, guint8 **buf_base, int buf_size, guint8 **code_end)
2292 guint8 *tmp = nacl_domain_get_code_dest (domain, *buf_base);
2293 mono_domain_code_commit (domain, *buf_base, buf_size, *code_end - *buf_base);
2294 *code_end = tmp + (*code_end - *buf_base);
2300 /* no-op versions of Native Client functions */
2303 nacl_domain_get_code_dest (MonoDomain *domain, void *data)
2309 nacl_domain_code_validate (MonoDomain *domain, guint8 **buf_base, int buf_size, guint8 **code_end)
2316 * mono_domain_code_foreach:
2317 * Iterate over the code thunks of the code manager of @domain.
2319 * The @func callback MUST not take any locks. If it really needs to, it must respect
2320 * the locking rules of the runtime: http://www.mono-project.com/Mono:Runtime:Documentation:ThreadSafety
2321 * LOCKING: Acquires the domain lock.
2325 mono_domain_code_foreach (MonoDomain *domain, MonoCodeManagerFunc func, void *user_data)
2327 mono_domain_lock (domain);
2328 mono_code_manager_foreach (domain->code_mp, func, user_data);
2329 mono_domain_unlock (domain);
2334 mono_context_set (MonoAppContext * new_context)
2336 SET_APPCONTEXT (new_context);
2340 mono_context_get (void)
2342 return GET_APPCONTEXT ();
2345 /* LOCKING: the caller holds the lock for this domain */
2347 mono_domain_add_class_static_data (MonoDomain *domain, MonoClass *klass, gpointer data, guint32 *bitmap)
2349 /* The first entry in the array is the index of the next free slot
2350 * and the total size of the array
2353 if (domain->static_data_array) {
2354 int size = GPOINTER_TO_INT (domain->static_data_array [1]);
2355 next = GPOINTER_TO_INT (domain->static_data_array [0]);
2357 /* 'data' is allocated by alloc_fixed */
2358 gpointer *new_array = mono_gc_alloc_fixed (sizeof (gpointer) * (size * 2), MONO_GC_ROOT_DESCR_FOR_FIXED (size * 2));
2359 mono_gc_memmove_aligned (new_array, domain->static_data_array, sizeof (gpointer) * size);
2361 new_array [1] = GINT_TO_POINTER (size);
2362 mono_gc_free_fixed (domain->static_data_array);
2363 domain->static_data_array = new_array;
2367 gpointer *new_array = mono_gc_alloc_fixed (sizeof (gpointer) * size, MONO_GC_ROOT_DESCR_FOR_FIXED (size));
2369 new_array [0] = GINT_TO_POINTER (next);
2370 new_array [1] = GINT_TO_POINTER (size);
2371 domain->static_data_array = new_array;
2373 domain->static_data_array [next++] = data;
2374 domain->static_data_array [0] = GINT_TO_POINTER (next);
2378 mono_get_corlib (void)
2380 return mono_defaults.corlib;
2384 mono_get_object_class (void)
2386 return mono_defaults.object_class;
2390 mono_get_byte_class (void)
2392 return mono_defaults.byte_class;
2396 mono_get_void_class (void)
2398 return mono_defaults.void_class;
2402 mono_get_boolean_class (void)
2404 return mono_defaults.boolean_class;
2408 mono_get_sbyte_class (void)
2410 return mono_defaults.sbyte_class;
2414 mono_get_int16_class (void)
2416 return mono_defaults.int16_class;
2420 mono_get_uint16_class (void)
2422 return mono_defaults.uint16_class;
2426 mono_get_int32_class (void)
2428 return mono_defaults.int32_class;
2432 mono_get_uint32_class (void)
2434 return mono_defaults.uint32_class;
2438 mono_get_intptr_class (void)
2440 return mono_defaults.int_class;
2444 mono_get_uintptr_class (void)
2446 return mono_defaults.uint_class;
2450 mono_get_int64_class (void)
2452 return mono_defaults.int64_class;
2456 mono_get_uint64_class (void)
2458 return mono_defaults.uint64_class;
2462 mono_get_single_class (void)
2464 return mono_defaults.single_class;
2468 mono_get_double_class (void)
2470 return mono_defaults.double_class;
2474 mono_get_char_class (void)
2476 return mono_defaults.char_class;
2480 mono_get_string_class (void)
2482 return mono_defaults.string_class;
2486 mono_get_enum_class (void)
2488 return mono_defaults.enum_class;
2492 mono_get_array_class (void)
2494 return mono_defaults.array_class;
2498 mono_get_thread_class (void)
2500 return mono_defaults.thread_class;
2504 mono_get_exception_class (void)
2506 return mono_defaults.exception_class;
2510 static char* get_attribute_value (const gchar **attribute_names,
2511 const gchar **attribute_values,
2512 const char *att_name)
2515 for (n=0; attribute_names[n] != NULL; n++) {
2516 if (strcmp (attribute_names[n], att_name) == 0)
2517 return g_strdup (attribute_values[n]);
2522 static void start_element (GMarkupParseContext *context,
2523 const gchar *element_name,
2524 const gchar **attribute_names,
2525 const gchar **attribute_values,
2529 AppConfigInfo* app_config = (AppConfigInfo*) user_data;
2531 if (strcmp (element_name, "configuration") == 0) {
2532 app_config->configuration_count++;
2535 if (strcmp (element_name, "startup") == 0) {
2536 app_config->startup_count++;
2540 if (app_config->configuration_count != 1 || app_config->startup_count != 1)
2543 if (strcmp (element_name, "requiredRuntime") == 0) {
2544 app_config->required_runtime = get_attribute_value (attribute_names, attribute_values, "version");
2545 } else if (strcmp (element_name, "supportedRuntime") == 0) {
2546 char *version = get_attribute_value (attribute_names, attribute_values, "version");
2547 app_config->supported_runtimes = g_slist_append (app_config->supported_runtimes, version);
2551 static void end_element (GMarkupParseContext *context,
2552 const gchar *element_name,
2556 AppConfigInfo* app_config = (AppConfigInfo*) user_data;
2558 if (strcmp (element_name, "configuration") == 0) {
2559 app_config->configuration_count--;
2560 } else if (strcmp (element_name, "startup") == 0) {
2561 app_config->startup_count--;
2565 static const GMarkupParser
2574 static AppConfigInfo *
2575 app_config_parse (const char *exe_filename)
2577 AppConfigInfo *app_config;
2578 GMarkupParseContext *context;
2581 const char *bundled_config;
2582 char *config_filename;
2584 bundled_config = mono_config_string_for_assembly_file (exe_filename);
2586 if (bundled_config) {
2587 text = g_strdup (bundled_config);
2588 len = strlen (text);
2590 config_filename = g_strconcat (exe_filename, ".config", NULL);
2592 if (!g_file_get_contents (config_filename, &text, &len, NULL)) {
2593 g_free (config_filename);
2596 g_free (config_filename);
2599 app_config = g_new0 (AppConfigInfo, 1);
2601 context = g_markup_parse_context_new (&mono_parser, 0, app_config, NULL);
2602 if (g_markup_parse_context_parse (context, text, len, NULL)) {
2603 g_markup_parse_context_end_parse (context, NULL);
2605 g_markup_parse_context_free (context);
2611 app_config_free (AppConfigInfo* app_config)
2614 GSList *list = app_config->supported_runtimes;
2615 while (list != NULL) {
2616 rt = (char*)list->data;
2618 list = g_slist_next (list);
2620 g_slist_free (app_config->supported_runtimes);
2621 g_free (app_config->required_runtime);
2622 g_free (app_config);
2626 static const MonoRuntimeInfo*
2627 get_runtime_by_version (const char *version)
2630 int max = G_N_ELEMENTS (supported_runtimes);
2636 for (n=0; n<max; n++) {
2637 if (strcmp (version, supported_runtimes[n].runtime_version) == 0)
2638 return &supported_runtimes[n];
2641 vlen = strlen (version);
2642 if (vlen >= 4 && version [1] - '0' >= 4) {
2643 for (n=0; n<max; n++) {
2644 if (strncmp (version, supported_runtimes[n].runtime_version, 4) == 0)
2645 return &supported_runtimes[n];
2653 get_runtimes_from_exe (const char *exe_file, MonoImage **exe_image, const MonoRuntimeInfo** runtimes)
2655 AppConfigInfo* app_config;
2657 const MonoRuntimeInfo* runtime = NULL;
2658 MonoImage *image = NULL;
2660 app_config = app_config_parse (exe_file);
2662 if (app_config != NULL) {
2663 /* Check supportedRuntime elements, if none is supported, fail.
2664 * If there are no such elements, look for a requiredRuntime element.
2666 if (app_config->supported_runtimes != NULL) {
2668 GSList *list = app_config->supported_runtimes;
2669 while (list != NULL) {
2670 version = (char*) list->data;
2671 runtime = get_runtime_by_version (version);
2672 if (runtime != NULL)
2673 runtimes [n++] = runtime;
2674 list = g_slist_next (list);
2676 runtimes [n] = NULL;
2677 app_config_free (app_config);
2681 /* Check the requiredRuntime element. This is for 1.0 apps only. */
2682 if (app_config->required_runtime != NULL) {
2683 runtimes [0] = get_runtime_by_version (app_config->required_runtime);
2684 runtimes [1] = NULL;
2685 app_config_free (app_config);
2688 app_config_free (app_config);
2691 /* Look for a runtime with the exact version */
2692 image = mono_assembly_open_from_bundle (exe_file, NULL, FALSE);
2695 image = mono_image_open (exe_file, NULL);
2697 if (image == NULL) {
2698 /* The image is wrong or the file was not found. In this case return
2699 * a default runtime and leave to the initialization method the work of
2700 * reporting the error.
2702 runtimes [0] = get_runtime_by_version (DEFAULT_RUNTIME_VERSION);
2703 runtimes [1] = NULL;
2709 runtimes [0] = get_runtime_by_version (image->version);
2710 runtimes [1] = NULL;
2715 * mono_get_runtime_info:
2717 * Returns: the version of the current runtime instance.
2719 const MonoRuntimeInfo*
2720 mono_get_runtime_info (void)
2722 return current_runtime;
2726 mono_debugger_check_runtime_version (const char *filename)
2728 const MonoRuntimeInfo* runtimes [G_N_ELEMENTS (supported_runtimes) + 1];
2729 const MonoRuntimeInfo *rinfo;
2732 get_runtimes_from_exe (filename, &image, runtimes);
2733 rinfo = runtimes [0];
2736 return g_strdup_printf ("Cannot get runtime version from assembly `%s'", filename);
2738 if (rinfo != current_runtime)
2739 return g_strdup_printf ("The Mono Debugger is currently using the `%s' runtime, but "
2740 "the assembly `%s' requires version `%s'", current_runtime->runtime_version,
2741 filename, rinfo->runtime_version);
2747 * mono_framework_version:
2749 * Return the major version of the framework curently executing.
2752 mono_framework_version (void)
2754 return current_runtime->framework_version [0] - '0';