2 * mini.c: The new Mono code generator.
5 * Paolo Molaro (lupus@ximian.com)
6 * Dietmar Maurer (dietmar@ximian.com)
8 * Copyright 2002-2003 Ximian, Inc.
9 * Copyright 2003-2010 Novell, Inc.
10 * Copyright 2011 Xamarin, Inc (http://www.xamarin.com)
13 #define MONO_LLVM_IN_MINI 1
23 #ifdef HAVE_SYS_TIME_H
27 #include <mono/utils/memcheck.h>
29 #include <mono/metadata/assembly.h>
30 #include <mono/metadata/loader.h>
31 #include <mono/metadata/tabledefs.h>
32 #include <mono/metadata/class.h>
33 #include <mono/metadata/object.h>
34 #include <mono/metadata/tokentype.h>
35 #include <mono/metadata/tabledefs.h>
36 #include <mono/metadata/threads.h>
37 #include <mono/metadata/appdomain.h>
38 #include <mono/metadata/debug-helpers.h>
39 #include <mono/io-layer/io-layer.h>
40 #include "mono/metadata/profiler.h"
41 #include <mono/metadata/profiler-private.h>
42 #include <mono/metadata/mono-config.h>
43 #include <mono/metadata/environment.h>
44 #include <mono/metadata/mono-debug.h>
45 #include <mono/metadata/gc-internal.h>
46 #include <mono/metadata/threads-types.h>
47 #include <mono/metadata/verify.h>
48 #include <mono/metadata/verify-internals.h>
49 #include <mono/metadata/mempool-internals.h>
50 #include <mono/metadata/attach.h>
51 #include <mono/metadata/runtime.h>
52 #include <mono/metadata/mono-debug-debugger.h>
53 #include <mono/utils/mono-math.h>
54 #include <mono/utils/mono-compiler.h>
55 #include <mono/utils/mono-counters.h>
56 #include <mono/utils/mono-logger-internal.h>
57 #include <mono/utils/mono-mmap.h>
58 #include <mono/utils/mono-path.h>
59 #include <mono/utils/mono-tls.h>
60 #include <mono/utils/mono-hwcap.h>
61 #include <mono/utils/dtrace.h>
62 #include <mono/utils/mono-signal-handler.h>
63 #include <mono/utils/mono-threads.h>
66 #include "mini-llvm.h"
74 #include "jit-icalls.h"
77 #include "debugger-agent.h"
79 static gpointer mono_jit_compile_method_with_opt (MonoMethod *method, guint32 opt, MonoException **ex);
82 static guint32 default_opt = 0;
83 static gboolean default_opt_set = FALSE;
85 MonoNativeTlsKey mono_jit_tls_id;
87 #ifdef MONO_HAVE_FAST_TLS
88 MONO_FAST_TLS_DECLARE(mono_jit_tls);
91 MonoTraceSpec *mono_jit_trace_calls = NULL;
92 gboolean mono_compile_aot = FALSE;
93 /* If this is set, no code is generated dynamically, everything is taken from AOT files */
94 gboolean mono_aot_only = FALSE;
95 /* Whenever to use IMT */
96 gboolean mono_use_imt = ARCH_HAVE_IMT;
97 MonoMethodDesc *mono_inject_async_exc_method = NULL;
98 int mono_inject_async_exc_pos;
99 MonoMethodDesc *mono_break_at_bb_method = NULL;
100 int mono_break_at_bb_bb_num;
101 gboolean mono_do_x86_stack_align = TRUE;
102 const char *mono_build_date;
103 gboolean mono_do_signal_chaining;
104 gboolean mono_do_crash_chaining;
105 static gboolean mono_using_xdebug;
106 static int mini_verbose = 0;
109 * This flag controls whenever the runtime uses LLVM for JIT compilation, and whenever
110 * it can load AOT code compiled by LLVM.
112 gboolean mono_use_llvm = FALSE;
114 #define mono_jit_lock() EnterCriticalSection (&jit_mutex)
115 #define mono_jit_unlock() LeaveCriticalSection (&jit_mutex)
116 static CRITICAL_SECTION jit_mutex;
118 static MonoCodeManager *global_codeman = NULL;
120 static GHashTable *jit_icall_name_hash = NULL;
122 static MonoDebugOptions debug_options;
124 #ifdef VALGRIND_JIT_REGISTER_MAP
125 static int valgrind_register = 0;
129 * Table written to by the debugger with a 1-based index into the
130 * mono_breakpoint_info table, which contains changes made to
131 * the JIT instructions by the debugger.
134 mono_breakpoint_info_index [MONO_BREAKPOINT_ARRAY_SIZE];
136 /* Whenever to check for pending exceptions in managed-to-native wrappers */
137 gboolean check_for_pending_exc = TRUE;
139 /* Whenever to disable passing/returning small valuetypes in registers for managed methods */
140 gboolean disable_vtypes_in_regs = FALSE;
142 static GSList *tramp_infos;
145 mono_realloc_native_code (MonoCompile *cfg)
147 #if defined(__default_codegen__)
148 return g_realloc (cfg->native_code, cfg->code_size);
149 #elif defined(__native_client_codegen__)
151 gpointer native_code;
152 guint alignment_check;
154 /* Save the old alignment offset so we can re-align after the realloc. */
155 old_padding = (guint)(cfg->native_code - cfg->native_code_alloc);
156 cfg->code_size = NACL_BUNDLE_ALIGN_UP (cfg->code_size);
158 cfg->native_code_alloc = g_realloc ( cfg->native_code_alloc,
159 cfg->code_size + kNaClAlignment );
161 /* Align native_code to next nearest kNaClAlignment byte. */
162 native_code = (guint)cfg->native_code_alloc + kNaClAlignment;
163 native_code = (guint)native_code & ~kNaClAlignmentMask;
165 /* Shift the data to be 32-byte aligned again. */
166 memmove (native_code, cfg->native_code_alloc + old_padding, cfg->code_size);
168 alignment_check = (guint)native_code & kNaClAlignmentMask;
169 g_assert (alignment_check == 0);
172 g_assert_not_reached ();
173 return cfg->native_code;
177 #ifdef __native_client_codegen__
179 /* Prevent instructions from straddling a 32-byte alignment boundary. */
180 /* Instructions longer than 32 bytes must be aligned internally. */
181 /* IN: pcode, instlen */
183 void mono_nacl_align_inst(guint8 **pcode, int instlen) {
186 space_in_block = kNaClAlignment - ((uintptr_t)(*pcode) & kNaClAlignmentMask);
188 if (G_UNLIKELY (instlen >= kNaClAlignment)) {
189 g_assert_not_reached();
190 } else if (instlen > space_in_block) {
191 *pcode = mono_arch_nacl_pad(*pcode, space_in_block);
195 /* Move emitted call sequence to the end of a kNaClAlignment-byte block. */
196 /* IN: start pointer to start of call sequence */
197 /* IN: pcode pointer to end of call sequence (current "IP") */
198 /* OUT: start pointer to the start of the call sequence after padding */
199 /* OUT: pcode pointer to the end of the call sequence after padding */
200 void mono_nacl_align_call(guint8 **start, guint8 **pcode) {
201 const size_t MAX_NACL_CALL_LENGTH = kNaClAlignment;
202 guint8 copy_of_call[MAX_NACL_CALL_LENGTH];
205 const size_t length = (size_t)((*pcode)-(*start));
206 g_assert(length < MAX_NACL_CALL_LENGTH);
208 memcpy(copy_of_call, *start, length);
209 temp = mono_nacl_pad_call(*start, (guint8)length);
210 memcpy(temp, copy_of_call, length);
212 (*pcode) = temp + length;
215 /* mono_nacl_pad_call(): Insert padding for Native Client call instructions */
216 /* code pointer to buffer for emitting code */
217 /* ilength length of call instruction */
218 guint8 *mono_nacl_pad_call(guint8 *code, guint8 ilength) {
219 int freeSpaceInBlock = kNaClAlignment - ((uintptr_t)code & kNaClAlignmentMask);
220 int padding = freeSpaceInBlock - ilength;
223 /* There isn't enough space in this block for the instruction. */
224 /* Fill this block and start a new one. */
225 code = mono_arch_nacl_pad(code, freeSpaceInBlock);
226 freeSpaceInBlock = kNaClAlignment;
227 padding = freeSpaceInBlock - ilength;
229 g_assert(ilength > 0);
230 g_assert(padding >= 0);
231 g_assert(padding < kNaClAlignment);
232 if (0 == padding) return code;
233 return mono_arch_nacl_pad(code, padding);
236 guint8 *mono_nacl_align(guint8 *code) {
237 int padding = kNaClAlignment - ((uintptr_t)code & kNaClAlignmentMask);
238 if (padding != kNaClAlignment) code = mono_arch_nacl_pad(code, padding);
242 void mono_nacl_fix_patches(const guint8 *code, MonoJumpInfo *ji)
244 #ifndef USE_JUMP_TABLES
245 MonoJumpInfo *patch_info;
246 for (patch_info = ji; patch_info; patch_info = patch_info->next) {
247 unsigned char *ip = patch_info->ip.i + code;
248 ip = mono_arch_nacl_skip_nops(ip);
249 patch_info->ip.i = ip - code;
253 #endif /* __native_client_codegen__ */
256 mono_running_on_valgrind (void)
258 if (RUNNING_ON_VALGRIND){
259 #ifdef VALGRIND_JIT_REGISTER_MAP
260 valgrind_register = TRUE;
268 MonoExceptionClause *clause;
269 MonoBasicBlock *basic_block;
279 find_tramp (gpointer key, gpointer value, gpointer user_data)
281 FindTrampUserData *ud = (FindTrampUserData*)user_data;
284 ud->method = (MonoMethod*)key;
288 G_GNUC_UNUSED static char*
289 get_method_from_ip (void *ip)
294 MonoDomain *domain = mono_domain_get ();
295 MonoDebugSourceLocation *location;
296 FindTrampUserData user_data;
299 domain = mono_get_root_domain ();
301 ji = mono_jit_info_table_find (domain, ip);
304 user_data.method = NULL;
305 mono_domain_lock (domain);
306 g_hash_table_foreach (domain_jit_info (domain)->jit_trampoline_hash, find_tramp, &user_data);
307 mono_domain_unlock (domain);
308 if (user_data.method) {
309 char *mname = mono_method_full_name (user_data.method, TRUE);
310 res = g_strdup_printf ("<%p - JIT trampoline for %s>", ip, mname);
317 method = mono_method_full_name (jinfo_get_method (ji), TRUE);
318 /* FIXME: unused ? */
319 location = mono_debug_lookup_source_location (jinfo_get_method (ji), (guint32)((guint8*)ip - (guint8*)ji->code_start), domain);
321 res = g_strdup_printf (" %s + 0x%x (%p %p) [%p - %s]", method, (int)((char*)ip - (char*)ji->code_start), ji->code_start, (char*)ji->code_start + ji->code_size, domain, domain->friendly_name);
323 mono_debug_free_source_location (location);
331 * @ip: an instruction pointer address
333 * This method is used from a debugger to get the name of the
334 * method at address @ip. This routine is typically invoked from
335 * a debugger like this:
337 * (gdb) print mono_pmip ($pc)
339 * Returns: the name of the method at address @ip.
344 return get_method_from_ip (ip);
348 * mono_print_method_from_ip
349 * @ip: an instruction pointer address
351 * This method is used from a debugger to get the name of the
352 * method at address @ip.
354 * This prints the name of the method at address @ip in the standard
355 * output. Unlike mono_pmip which returns a string, this routine
356 * prints the value on the standard output.
359 /* Prevent the linker from optimizing this away in embedding setups to help debugging */
360 __attribute__((used))
363 mono_print_method_from_ip (void *ip)
367 MonoDebugSourceLocation *source;
368 MonoDomain *domain = mono_domain_get ();
369 MonoDomain *target_domain = mono_domain_get ();
370 FindTrampUserData user_data;
371 MonoGenericSharingContext*gsctx;
372 const char *shared_type;
375 ji = mini_jit_info_table_find (domain, ip, &target_domain);
378 user_data.method = NULL;
379 mono_domain_lock (domain);
380 g_hash_table_foreach (domain_jit_info (domain)->jit_trampoline_hash, find_tramp, &user_data);
381 mono_domain_unlock (domain);
382 if (user_data.method) {
383 char *mname = mono_method_full_name (user_data.method, TRUE);
384 printf ("IP %p is a JIT trampoline for %s\n", ip, mname);
388 for (l = tramp_infos; l; l = l->next) {
389 MonoTrampInfo *tinfo = l->data;
391 if ((guint8*)ip >= tinfo->code && (guint8*)ip <= tinfo->code + tinfo->code_size) {
392 printf ("IP %p is at offset 0x%x of trampoline '%s'.\n", ip, (int)((guint8*)ip - tinfo->code), tinfo->name);
397 g_print ("No method at %p\n", ip);
401 method = mono_method_full_name (jinfo_get_method (ji), TRUE);
402 source = mono_debug_lookup_source_location (jinfo_get_method (ji), (guint32)((guint8*)ip - (guint8*)ji->code_start), target_domain);
404 gsctx = mono_jit_info_get_generic_sharing_context (ji);
407 if (gsctx->var_is_vt || gsctx->mvar_is_vt)
408 shared_type = "gsharedvt ";
410 shared_type = "gshared ";
413 g_print ("IP %p at offset 0x%x of %smethod %s (%p %p)[domain %p - %s]\n", ip, (int)((char*)ip - (char*)ji->code_start), shared_type, method, ji->code_start, (char*)ji->code_start + ji->code_size, target_domain, target_domain->friendly_name);
416 g_print ("%s:%d\n", source->source_file, source->row);
419 mono_debug_free_source_location (source);
424 * mono_method_same_domain:
426 * Determine whenever two compiled methods are in the same domain, thus
427 * the address of the callee can be embedded in the caller.
429 gboolean mono_method_same_domain (MonoJitInfo *caller, MonoJitInfo *callee)
433 if (!caller || !callee)
437 * If the call was made from domain-neutral to domain-specific
438 * code, we can't patch the call site.
440 if (caller->domain_neutral && !callee->domain_neutral)
443 cmethod = jinfo_get_method (caller);
444 if ((cmethod->klass == mono_defaults.appdomain_class) &&
445 (strstr (cmethod->name, "InvokeInDomain"))) {
446 /* The InvokeInDomain methods change the current appdomain */
454 * mono_global_codeman_reserve:
456 * Allocate code memory from the global code manager.
458 void *mono_global_codeman_reserve (int size)
463 g_error ("Attempting to allocate from the global code manager while running with --aot-only.\n");
465 if (!global_codeman) {
466 /* This can happen during startup */
467 global_codeman = mono_code_manager_new ();
468 return mono_code_manager_reserve (global_codeman, size);
472 ptr = mono_code_manager_reserve (global_codeman, size);
478 #if defined(__native_client_codegen__) && defined(__native_client__)
482 #ifdef __native_client_gc__
483 __nacl_suspend_thread_if_needed();
487 /* Given the temporary buffer (allocated by mono_global_codeman_reserve) into
488 * which we are generating code, return a pointer to the destination in the
489 * dynamic code segment into which the code will be copied when
490 * mono_global_codeman_commit is called.
491 * LOCKING: Acquires the jit lock.
494 nacl_global_codeman_get_dest (void *data)
498 dest = nacl_code_manager_get_code_dest (global_codeman, data);
504 mono_global_codeman_commit (void *data, int size, int newsize)
507 mono_code_manager_commit (global_codeman, data, size, newsize);
512 * Convenience function which calls mono_global_codeman_commit to validate and
513 * copy the code. The caller sets *buf_base and *buf_size to the start and size
514 * of the buffer (allocated by mono_global_codeman_reserve), and *code_end to
515 * the byte after the last instruction byte. On return, *buf_base will point to
516 * the start of the copied in the code segment, and *code_end will point after
517 * the end of the copied code.
520 nacl_global_codeman_validate (guint8 **buf_base, int buf_size, guint8 **code_end)
522 guint8 *tmp = nacl_global_codeman_get_dest (*buf_base);
523 mono_global_codeman_commit (*buf_base, buf_size, *code_end - *buf_base);
524 *code_end = tmp + (*code_end - *buf_base);
528 /* no-op versions of Native Client functions */
530 nacl_global_codeman_get_dest (void *data)
536 mono_global_codeman_commit (void *data, int size, int newsize)
541 nacl_global_codeman_validate (guint8 **buf_base, int buf_size, guint8 **code_end)
545 #endif /* __native_client__ */
548 * mono_create_unwind_op:
550 * Create an unwind op with the given parameters.
553 mono_create_unwind_op (int when, int tag, int reg, int val)
555 MonoUnwindOp *op = g_new0 (MonoUnwindOp, 1);
566 * mono_emit_unwind_op:
568 * Add an unwind op with the given parameters for the list of unwind ops stored in
572 mono_emit_unwind_op (MonoCompile *cfg, int when, int tag, int reg, int val)
574 MonoUnwindOp *op = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoUnwindOp));
581 cfg->unwind_ops = g_slist_append_mempool (cfg->mempool, cfg->unwind_ops, op);
582 if (cfg->verbose_level > 1) {
585 printf ("CFA: [%x] def_cfa: %s+0x%x\n", when, mono_arch_regname (reg), val);
587 case DW_CFA_def_cfa_register:
588 printf ("CFA: [%x] def_cfa_reg: %s\n", when, mono_arch_regname (reg));
590 case DW_CFA_def_cfa_offset:
591 printf ("CFA: [%x] def_cfa_offset: 0x%x\n", when, val);
594 printf ("CFA: [%x] offset: %s at cfa-0x%x\n", when, mono_arch_regname (reg), -val);
601 mono_jump_info_token_new2 (MonoMemPool *mp, MonoImage *image, guint32 token, MonoGenericContext *context)
603 MonoJumpInfoToken *res = mono_mempool_alloc0 (mp, sizeof (MonoJumpInfoToken));
606 res->has_context = context != NULL;
608 memcpy (&res->context, context, sizeof (MonoGenericContext));
614 mono_jump_info_token_new (MonoMemPool *mp, MonoImage *image, guint32 token)
616 return mono_jump_info_token_new2 (mp, image, token, NULL);
620 * mono_tramp_info_create:
622 * Create a MonoTrampInfo structure from the arguments. This function assumes ownership
623 * of JI, and UNWIND_OPS.
626 mono_tramp_info_create (const char *name, guint8 *code, guint32 code_size, MonoJumpInfo *ji, GSList *unwind_ops)
628 MonoTrampInfo *info = g_new0 (MonoTrampInfo, 1);
630 info->name = g_strdup ((char*)name);
632 info->code_size = code_size;
634 info->unwind_ops = unwind_ops;
640 mono_tramp_info_free (MonoTrampInfo *info)
647 for (l = info->unwind_ops; l; l = l->next)
649 g_slist_free (info->unwind_ops);
654 * mono_tramp_info_register:
656 * Remember INFO for use by xdebug, mono_print_method_from_ip (), jit maps, etc.
661 mono_tramp_info_register (MonoTrampInfo *info)
668 copy = g_new0 (MonoTrampInfo, 1);
669 copy->code = info->code;
670 copy->code_size = info->code_size;
671 copy->name = g_strdup (info->name);
674 tramp_infos = g_slist_prepend (tramp_infos, copy);
677 mono_save_trampoline_xdebug_info (info);
679 if (mono_jit_map_is_enabled ())
680 mono_emit_jit_tramp (info->code, info->code_size, info->name);
682 mono_tramp_info_free (info);
686 mono_tramp_info_cleanup (void)
690 for (l = tramp_infos; l; l = l->next) {
691 MonoTrampInfo *info = l->data;
693 mono_tramp_info_free (info);
695 g_slist_free (tramp_infos);
698 G_GNUC_UNUSED static void
704 * Runtime debugging tool, use if (debug_count ()) <x> else <y> to do <x> the first COUNT times, then do <y> afterwards.
705 * Set a breakpoint in break_count () to break the last time <x> is done.
707 G_GNUC_UNUSED gboolean
708 mono_debug_count (void)
710 static int count = 0;
713 if (!g_getenv ("COUNT"))
716 if (count == atoi (g_getenv ("COUNT"))) {
720 if (count > atoi (g_getenv ("COUNT"))) {
727 #define MONO_INIT_VARINFO(vi,id) do { \
728 (vi)->range.first_use.pos.bid = 0xffff; \
734 * mono_unlink_bblock:
736 * Unlink two basic blocks.
739 mono_unlink_bblock (MonoCompile *cfg, MonoBasicBlock *from, MonoBasicBlock* to)
745 for (i = 0; i < from->out_count; ++i) {
746 if (to == from->out_bb [i]) {
753 for (i = 0; i < from->out_count; ++i) {
754 if (from->out_bb [i] != to)
755 from->out_bb [pos ++] = from->out_bb [i];
757 g_assert (pos == from->out_count - 1);
762 for (i = 0; i < to->in_count; ++i) {
763 if (from == to->in_bb [i]) {
770 for (i = 0; i < to->in_count; ++i) {
771 if (to->in_bb [i] != from)
772 to->in_bb [pos ++] = to->in_bb [i];
774 g_assert (pos == to->in_count - 1);
780 * mono_bblocks_linked:
782 * Return whenever BB1 and BB2 are linked in the CFG.
785 mono_bblocks_linked (MonoBasicBlock *bb1, MonoBasicBlock *bb2)
789 for (i = 0; i < bb1->out_count; ++i) {
790 if (bb1->out_bb [i] == bb2)
798 mono_find_block_region_notry (MonoCompile *cfg, int offset)
800 MonoMethodHeader *header = cfg->header;
801 MonoExceptionClause *clause;
804 for (i = 0; i < header->num_clauses; ++i) {
805 clause = &header->clauses [i];
806 if ((clause->flags == MONO_EXCEPTION_CLAUSE_FILTER) && (offset >= clause->data.filter_offset) &&
807 (offset < (clause->handler_offset)))
808 return ((i + 1) << 8) | MONO_REGION_FILTER | clause->flags;
810 if (MONO_OFFSET_IN_HANDLER (clause, offset)) {
811 if (clause->flags == MONO_EXCEPTION_CLAUSE_FINALLY)
812 return ((i + 1) << 8) | MONO_REGION_FINALLY | clause->flags;
813 else if (clause->flags == MONO_EXCEPTION_CLAUSE_FAULT)
814 return ((i + 1) << 8) | MONO_REGION_FAULT | clause->flags;
816 return ((i + 1) << 8) | MONO_REGION_CATCH | clause->flags;
824 * mono_get_block_region_notry:
826 * Return the region corresponding to REGION, ignoring try clauses nested inside
830 mono_get_block_region_notry (MonoCompile *cfg, int region)
832 if ((region & (0xf << 4)) == MONO_REGION_TRY) {
833 MonoMethodHeader *header = cfg->header;
836 * This can happen if a try clause is nested inside a finally clause.
838 int clause_index = (region >> 8) - 1;
839 g_assert (clause_index >= 0 && clause_index < header->num_clauses);
841 region = mono_find_block_region_notry (cfg, header->clauses [clause_index].try_offset);
848 mono_find_spvar_for_region (MonoCompile *cfg, int region)
850 region = mono_get_block_region_notry (cfg, region);
852 return g_hash_table_lookup (cfg->spvars, GINT_TO_POINTER (region));
856 df_visit (MonoBasicBlock *start, int *dfn, MonoBasicBlock **array)
860 array [*dfn] = start;
861 /* g_print ("visit %d at %p (BB%ld)\n", *dfn, start->cil_code, start->block_num); */
862 for (i = 0; i < start->out_count; ++i) {
863 if (start->out_bb [i]->dfn)
866 start->out_bb [i]->dfn = *dfn;
867 start->out_bb [i]->df_parent = start;
868 array [*dfn] = start->out_bb [i];
869 df_visit (start->out_bb [i], dfn, array);
874 mono_reverse_branch_op (guint32 opcode)
876 static const int reverse_map [] = {
877 CEE_BNE_UN, CEE_BLT, CEE_BLE, CEE_BGT, CEE_BGE,
878 CEE_BEQ, CEE_BLT_UN, CEE_BLE_UN, CEE_BGT_UN, CEE_BGE_UN
880 static const int reverse_fmap [] = {
881 OP_FBNE_UN, OP_FBLT, OP_FBLE, OP_FBGT, OP_FBGE,
882 OP_FBEQ, OP_FBLT_UN, OP_FBLE_UN, OP_FBGT_UN, OP_FBGE_UN
884 static const int reverse_lmap [] = {
885 OP_LBNE_UN, OP_LBLT, OP_LBLE, OP_LBGT, OP_LBGE,
886 OP_LBEQ, OP_LBLT_UN, OP_LBLE_UN, OP_LBGT_UN, OP_LBGE_UN
888 static const int reverse_imap [] = {
889 OP_IBNE_UN, OP_IBLT, OP_IBLE, OP_IBGT, OP_IBGE,
890 OP_IBEQ, OP_IBLT_UN, OP_IBLE_UN, OP_IBGT_UN, OP_IBGE_UN
893 if (opcode >= CEE_BEQ && opcode <= CEE_BLT_UN) {
894 opcode = reverse_map [opcode - CEE_BEQ];
895 } else if (opcode >= OP_FBEQ && opcode <= OP_FBLT_UN) {
896 opcode = reverse_fmap [opcode - OP_FBEQ];
897 } else if (opcode >= OP_LBEQ && opcode <= OP_LBLT_UN) {
898 opcode = reverse_lmap [opcode - OP_LBEQ];
899 } else if (opcode >= OP_IBEQ && opcode <= OP_IBLT_UN) {
900 opcode = reverse_imap [opcode - OP_IBEQ];
902 g_assert_not_reached ();
908 mono_type_to_store_membase (MonoCompile *cfg, MonoType *type)
911 return OP_STORE_MEMBASE_REG;
913 type = mini_replace_type (type);
916 switch (type->type) {
919 case MONO_TYPE_BOOLEAN:
920 return OP_STOREI1_MEMBASE_REG;
924 return OP_STOREI2_MEMBASE_REG;
927 return OP_STOREI4_MEMBASE_REG;
931 case MONO_TYPE_FNPTR:
932 return OP_STORE_MEMBASE_REG;
933 case MONO_TYPE_CLASS:
934 case MONO_TYPE_STRING:
935 case MONO_TYPE_OBJECT:
936 case MONO_TYPE_SZARRAY:
937 case MONO_TYPE_ARRAY:
938 return OP_STORE_MEMBASE_REG;
941 return OP_STOREI8_MEMBASE_REG;
943 return OP_STORER4_MEMBASE_REG;
945 return OP_STORER8_MEMBASE_REG;
946 case MONO_TYPE_VALUETYPE:
947 if (type->data.klass->enumtype) {
948 type = mono_class_enum_basetype (type->data.klass);
951 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (type)))
952 return OP_STOREX_MEMBASE;
953 return OP_STOREV_MEMBASE;
954 case MONO_TYPE_TYPEDBYREF:
955 return OP_STOREV_MEMBASE;
956 case MONO_TYPE_GENERICINST:
957 type = &type->data.generic_class->container_class->byval_arg;
961 if (mini_type_var_is_vt (cfg, type))
962 return OP_STOREV_MEMBASE;
964 return OP_STORE_MEMBASE_REG;
966 g_error ("unknown type 0x%02x in type_to_store_membase", type->type);
972 mono_type_to_load_membase (MonoCompile *cfg, MonoType *type)
975 return OP_LOAD_MEMBASE;
977 type = mini_replace_type (type);
979 switch (type->type) {
981 return OP_LOADI1_MEMBASE;
983 case MONO_TYPE_BOOLEAN:
984 return OP_LOADU1_MEMBASE;
986 return OP_LOADI2_MEMBASE;
989 return OP_LOADU2_MEMBASE;
991 return OP_LOADI4_MEMBASE;
993 return OP_LOADU4_MEMBASE;
997 case MONO_TYPE_FNPTR:
998 return OP_LOAD_MEMBASE;
999 case MONO_TYPE_CLASS:
1000 case MONO_TYPE_STRING:
1001 case MONO_TYPE_OBJECT:
1002 case MONO_TYPE_SZARRAY:
1003 case MONO_TYPE_ARRAY:
1004 return OP_LOAD_MEMBASE;
1007 return OP_LOADI8_MEMBASE;
1009 return OP_LOADR4_MEMBASE;
1011 return OP_LOADR8_MEMBASE;
1012 case MONO_TYPE_VALUETYPE:
1013 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (type)))
1014 return OP_LOADX_MEMBASE;
1015 case MONO_TYPE_TYPEDBYREF:
1016 return OP_LOADV_MEMBASE;
1017 case MONO_TYPE_GENERICINST:
1018 if (mono_type_generic_inst_is_valuetype (type))
1019 return OP_LOADV_MEMBASE;
1021 return OP_LOAD_MEMBASE;
1024 case MONO_TYPE_MVAR:
1025 g_assert (cfg->generic_sharing_context);
1026 if (mini_type_var_is_vt (cfg, type))
1027 return OP_LOADV_MEMBASE;
1029 return OP_LOAD_MEMBASE;
1031 g_error ("unknown type 0x%02x in type_to_load_membase", type->type);
1037 mini_type_to_ldind (MonoCompile* cfg, MonoType *type)
1039 if (cfg->generic_sharing_context && !type->byref) {
1040 if (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR) {
1041 if (mini_type_var_is_vt (cfg, type))
1044 return CEE_LDIND_REF;
1047 return mono_type_to_ldind (type);
1053 mini_type_to_stind (MonoCompile* cfg, MonoType *type)
1055 type = mini_replace_type (type);
1057 if (cfg->generic_sharing_context && !type->byref) {
1058 if (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR) {
1059 if (mini_type_var_is_vt (cfg, type))
1062 return CEE_STIND_REF;
1065 return mono_type_to_stind (type);
1069 mono_op_imm_to_op (int opcode)
1073 #if SIZEOF_REGISTER == 4
1089 #if SIZEOF_REGISTER == 4
1095 #if SIZEOF_REGISTER == 4
1101 #if SIZEOF_REGISTER == 4
1126 case OP_ISHR_UN_IMM:
1128 case OP_LSHR_UN_IMM:
1132 case OP_IDIV_UN_IMM:
1134 case OP_IREM_UN_IMM:
1141 #if SIZEOF_REGISTER == 4
1147 #if SIZEOF_REGISTER == 4
1164 case OP_COMPARE_IMM:
1166 case OP_ICOMPARE_IMM:
1168 case OP_LOCALLOC_IMM:
1171 printf ("%s\n", mono_inst_name (opcode));
1172 g_assert_not_reached ();
1178 * mono_decompose_op_imm:
1180 * Replace the OP_.._IMM INS with its non IMM variant.
1183 mono_decompose_op_imm (MonoCompile *cfg, MonoBasicBlock *bb, MonoInst *ins)
1187 MONO_INST_NEW (cfg, temp, OP_ICONST);
1188 temp->inst_c0 = ins->inst_imm;
1189 temp->dreg = mono_alloc_ireg (cfg);
1190 mono_bblock_insert_before_ins (bb, ins, temp);
1191 ins->opcode = mono_op_imm_to_op (ins->opcode);
1192 if (ins->opcode == OP_LOCALLOC)
1193 ins->sreg1 = temp->dreg;
1195 ins->sreg2 = temp->dreg;
1197 bb->max_vreg = MAX (bb->max_vreg, cfg->next_vreg);
1203 set_vreg_to_inst (MonoCompile *cfg, int vreg, MonoInst *inst)
1205 if (vreg >= cfg->vreg_to_inst_len) {
1206 MonoInst **tmp = cfg->vreg_to_inst;
1207 int size = cfg->vreg_to_inst_len;
1209 while (vreg >= cfg->vreg_to_inst_len)
1210 cfg->vreg_to_inst_len = cfg->vreg_to_inst_len ? cfg->vreg_to_inst_len * 2 : 32;
1211 cfg->vreg_to_inst = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoInst*) * cfg->vreg_to_inst_len);
1213 memcpy (cfg->vreg_to_inst, tmp, size * sizeof (MonoInst*));
1215 cfg->vreg_to_inst [vreg] = inst;
1218 #define mono_type_is_long(type) (!(type)->byref && ((mono_type_get_underlying_type (type)->type == MONO_TYPE_I8) || (mono_type_get_underlying_type (type)->type == MONO_TYPE_U8)))
1219 #define mono_type_is_float(type) (!(type)->byref && (((type)->type == MONO_TYPE_R8) || ((type)->type == MONO_TYPE_R4)))
1224 mono_compile_create_var (MonoCompile *cfg, MonoType *type, int opcode)
1232 mono_compile_create_var_for_vreg (MonoCompile *cfg, MonoType *type, int opcode, int vreg)
1235 int num = cfg->num_varinfo;
1238 type = mini_replace_type (type);
1240 if ((num + 1) >= cfg->varinfo_count) {
1241 int orig_count = cfg->varinfo_count;
1242 cfg->varinfo_count = cfg->varinfo_count ? (cfg->varinfo_count * 2) : 64;
1243 cfg->varinfo = (MonoInst **)g_realloc (cfg->varinfo, sizeof (MonoInst*) * cfg->varinfo_count);
1244 cfg->vars = (MonoMethodVar *)g_realloc (cfg->vars, sizeof (MonoMethodVar) * cfg->varinfo_count);
1245 memset (&cfg->vars [orig_count], 0, (cfg->varinfo_count - orig_count) * sizeof (MonoMethodVar));
1248 cfg->stat_allocate_var++;
1250 MONO_INST_NEW (cfg, inst, opcode);
1251 inst->inst_c0 = num;
1252 inst->inst_vtype = type;
1253 inst->klass = mono_class_from_mono_type (type);
1254 type_to_eval_stack_type (cfg, type, inst);
1255 /* if set to 1 the variable is native */
1256 inst->backend.is_pinvoke = 0;
1259 if (inst->klass->exception_type)
1260 mono_cfg_set_exception (cfg, MONO_EXCEPTION_TYPE_LOAD);
1262 if (cfg->compute_gc_maps) {
1264 mono_mark_vreg_as_mp (cfg, vreg);
1266 MonoType *t = mini_replace_type (type);
1267 if ((MONO_TYPE_ISSTRUCT (t) && inst->klass->has_references) || mini_type_is_reference (cfg, t)) {
1268 inst->flags |= MONO_INST_GC_TRACK;
1269 mono_mark_vreg_as_ref (cfg, vreg);
1274 cfg->varinfo [num] = inst;
1276 MONO_INIT_VARINFO (&cfg->vars [num], num);
1277 MONO_VARINFO (cfg, num)->vreg = vreg;
1280 set_vreg_to_inst (cfg, vreg, inst);
1282 #if SIZEOF_REGISTER == 4
1283 if (mono_arch_is_soft_float ()) {
1284 regpair = mono_type_is_long (type) || mono_type_is_float (type);
1286 regpair = mono_type_is_long (type);
1296 * These two cannot be allocated using create_var_for_vreg since that would
1297 * put it into the cfg->varinfo array, confusing many parts of the JIT.
1301 * Set flags to VOLATILE so SSA skips it.
1304 if (cfg->verbose_level >= 4) {
1305 printf (" Create LVAR R%d (R%d, R%d)\n", inst->dreg, inst->dreg + 1, inst->dreg + 2);
1308 if (mono_arch_is_soft_float () && cfg->opt & MONO_OPT_SSA) {
1309 if (mono_type_is_float (type))
1310 inst->flags = MONO_INST_VOLATILE;
1313 /* Allocate a dummy MonoInst for the first vreg */
1314 MONO_INST_NEW (cfg, tree, OP_LOCAL);
1315 tree->dreg = inst->dreg + 1;
1316 if (cfg->opt & MONO_OPT_SSA)
1317 tree->flags = MONO_INST_VOLATILE;
1318 tree->inst_c0 = num;
1319 tree->type = STACK_I4;
1320 tree->inst_vtype = &mono_defaults.int32_class->byval_arg;
1321 tree->klass = mono_class_from_mono_type (tree->inst_vtype);
1323 set_vreg_to_inst (cfg, inst->dreg + 1, tree);
1325 /* Allocate a dummy MonoInst for the second vreg */
1326 MONO_INST_NEW (cfg, tree, OP_LOCAL);
1327 tree->dreg = inst->dreg + 2;
1328 if (cfg->opt & MONO_OPT_SSA)
1329 tree->flags = MONO_INST_VOLATILE;
1330 tree->inst_c0 = num;
1331 tree->type = STACK_I4;
1332 tree->inst_vtype = &mono_defaults.int32_class->byval_arg;
1333 tree->klass = mono_class_from_mono_type (tree->inst_vtype);
1335 set_vreg_to_inst (cfg, inst->dreg + 2, tree);
1339 if (cfg->verbose_level > 2)
1340 g_print ("created temp %d (R%d) of type %s\n", num, vreg, mono_type_get_name (type));
1345 mono_compile_create_var (MonoCompile *cfg, MonoType *type, int opcode)
1348 type = mini_replace_type (type);
1350 if (mono_type_is_long (type))
1351 dreg = mono_alloc_dreg (cfg, STACK_I8);
1352 else if (mono_arch_is_soft_float () && mono_type_is_float (type))
1353 dreg = mono_alloc_dreg (cfg, STACK_R8);
1355 /* All the others are unified */
1356 dreg = mono_alloc_preg (cfg);
1358 return mono_compile_create_var_for_vreg (cfg, type, opcode, dreg);
1362 * Transform a MonoInst into a load from the variable of index var_index.
1365 mono_compile_make_var_load (MonoCompile *cfg, MonoInst *dest, gssize var_index) {
1366 memset (dest, 0, sizeof (MonoInst));
1367 dest->inst_i0 = cfg->varinfo [var_index];
1368 dest->opcode = mini_type_to_ldind (cfg, dest->inst_i0->inst_vtype);
1369 type_to_eval_stack_type (cfg, dest->inst_i0->inst_vtype, dest);
1370 dest->klass = dest->inst_i0->klass;
1376 mono_mark_vreg_as_ref (MonoCompile *cfg, int vreg)
1378 if (vreg >= cfg->vreg_is_ref_len) {
1379 gboolean *tmp = cfg->vreg_is_ref;
1380 int size = cfg->vreg_is_ref_len;
1382 while (vreg >= cfg->vreg_is_ref_len)
1383 cfg->vreg_is_ref_len = cfg->vreg_is_ref_len ? cfg->vreg_is_ref_len * 2 : 32;
1384 cfg->vreg_is_ref = mono_mempool_alloc0 (cfg->mempool, sizeof (gboolean) * cfg->vreg_is_ref_len);
1386 memcpy (cfg->vreg_is_ref, tmp, size * sizeof (gboolean));
1388 cfg->vreg_is_ref [vreg] = TRUE;
1392 mono_mark_vreg_as_mp (MonoCompile *cfg, int vreg)
1394 if (vreg >= cfg->vreg_is_mp_len) {
1395 gboolean *tmp = cfg->vreg_is_mp;
1396 int size = cfg->vreg_is_mp_len;
1398 while (vreg >= cfg->vreg_is_mp_len)
1399 cfg->vreg_is_mp_len = cfg->vreg_is_mp_len ? cfg->vreg_is_mp_len * 2 : 32;
1400 cfg->vreg_is_mp = mono_mempool_alloc0 (cfg->mempool, sizeof (gboolean) * cfg->vreg_is_mp_len);
1402 memcpy (cfg->vreg_is_mp, tmp, size * sizeof (gboolean));
1404 cfg->vreg_is_mp [vreg] = TRUE;
1408 type_from_stack_type (MonoInst *ins) {
1409 switch (ins->type) {
1410 case STACK_I4: return &mono_defaults.int32_class->byval_arg;
1411 case STACK_I8: return &mono_defaults.int64_class->byval_arg;
1412 case STACK_PTR: return &mono_defaults.int_class->byval_arg;
1413 case STACK_R8: return &mono_defaults.double_class->byval_arg;
1416 * this if used to be commented without any specific reason, but
1417 * it breaks #80235 when commented
1420 return &ins->klass->this_arg;
1422 return &mono_defaults.object_class->this_arg;
1424 /* ins->klass may not be set for ldnull.
1425 * Also, if we have a boxed valuetype, we want an object lass,
1426 * not the valuetype class
1428 if (ins->klass && !ins->klass->valuetype)
1429 return &ins->klass->byval_arg;
1430 return &mono_defaults.object_class->byval_arg;
1431 case STACK_VTYPE: return &ins->klass->byval_arg;
1433 g_error ("stack type %d to montype not handled\n", ins->type);
1439 mono_type_from_stack_type (MonoInst *ins) {
1440 return type_from_stack_type (ins);
1444 * mono_add_ins_to_end:
1446 * Same as MONO_ADD_INS, but add INST before any branches at the end of BB.
1449 mono_add_ins_to_end (MonoBasicBlock *bb, MonoInst *inst)
1454 MONO_ADD_INS (bb, inst);
1458 switch (bb->last_ins->opcode) {
1472 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1475 if (MONO_IS_COND_BRANCH_OP (bb->last_ins)) {
1476 /* Need to insert the ins before the compare */
1477 if (bb->code == bb->last_ins) {
1478 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1482 if (bb->code->next == bb->last_ins) {
1483 /* Only two instructions */
1484 opcode = bb->code->opcode;
1486 if ((opcode == OP_COMPARE) || (opcode == OP_COMPARE_IMM) || (opcode == OP_ICOMPARE) || (opcode == OP_ICOMPARE_IMM) || (opcode == OP_FCOMPARE) || (opcode == OP_LCOMPARE) || (opcode == OP_LCOMPARE_IMM)) {
1488 mono_bblock_insert_before_ins (bb, bb->code, inst);
1490 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1493 opcode = bb->last_ins->prev->opcode;
1495 if ((opcode == OP_COMPARE) || (opcode == OP_COMPARE_IMM) || (opcode == OP_ICOMPARE) || (opcode == OP_ICOMPARE_IMM) || (opcode == OP_FCOMPARE) || (opcode == OP_LCOMPARE) || (opcode == OP_LCOMPARE_IMM)) {
1497 mono_bblock_insert_before_ins (bb, bb->last_ins->prev, inst);
1499 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1504 MONO_ADD_INS (bb, inst);
1510 mono_create_jump_table (MonoCompile *cfg, MonoInst *label, MonoBasicBlock **bbs, int num_blocks)
1512 MonoJumpInfo *ji = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfo));
1513 MonoJumpInfoBBTable *table;
1515 table = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfoBBTable));
1517 table->table_size = num_blocks;
1519 ji->ip.label = label;
1520 ji->type = MONO_PATCH_INFO_SWITCH;
1521 ji->data.table = table;
1522 ji->next = cfg->patch_info;
1523 cfg->patch_info = ji;
1526 static MonoMethodSignature *
1527 mono_get_array_new_va_signature (int arity)
1529 static GHashTable *sighash = NULL;
1530 MonoMethodSignature *res;
1535 sighash = g_hash_table_new (NULL, NULL);
1537 else if ((res = g_hash_table_lookup (sighash, GINT_TO_POINTER (arity)))) {
1542 res = mono_metadata_signature_alloc (mono_defaults.corlib, arity + 1);
1545 if (ARCH_VARARG_ICALLS)
1546 /* Only set this only some archs since not all backends can handle varargs+pinvoke */
1547 res->call_convention = MONO_CALL_VARARG;
1550 res->call_convention = MONO_CALL_C;
1553 res->params [0] = &mono_defaults.int_class->byval_arg;
1554 for (i = 0; i < arity; i++)
1555 res->params [i + 1] = &mono_defaults.int_class->byval_arg;
1557 res->ret = &mono_defaults.object_class->byval_arg;
1559 g_hash_table_insert (sighash, GINT_TO_POINTER (arity), res);
1566 mono_get_array_new_va_icall (int rank)
1568 MonoMethodSignature *esig;
1569 char icall_name [256];
1571 MonoJitICallInfo *info;
1573 /* Need to register the icall so it gets an icall wrapper */
1574 sprintf (icall_name, "ves_array_new_va_%d", rank);
1577 info = mono_find_jit_icall_by_name (icall_name);
1579 esig = mono_get_array_new_va_signature (rank);
1580 name = g_strdup (icall_name);
1581 info = mono_register_jit_icall (mono_array_new_va, name, esig, FALSE);
1583 g_hash_table_insert (jit_icall_name_hash, name, name);
1591 mini_class_is_system_array (MonoClass *klass)
1593 if (klass->parent == mono_defaults.array_class)
1600 mini_assembly_can_skip_verification (MonoDomain *domain, MonoMethod *method)
1602 MonoAssembly *assembly = method->klass->image->assembly;
1603 if (method->wrapper_type != MONO_WRAPPER_NONE && method->wrapper_type != MONO_WRAPPER_DYNAMIC_METHOD)
1605 if (assembly->in_gac || assembly->image == mono_defaults.corlib)
1607 if (mono_security_enabled ())
1609 return mono_assembly_has_skip_verification (assembly);
1613 * mini_method_verify:
1615 * Verify the method using the new verfier.
1617 * Returns true if the method is invalid.
1620 mini_method_verify (MonoCompile *cfg, MonoMethod *method, gboolean fail_compile)
1623 gboolean is_fulltrust;
1624 MonoLoaderError *error;
1626 if (method->verification_success)
1629 if (!mono_verifier_is_enabled_for_method (method))
1632 /*skip verification implies the assembly must be */
1633 is_fulltrust = mono_verifier_is_method_full_trust (method) || mini_assembly_can_skip_verification (cfg->domain, method);
1635 res = mono_method_verify_with_current_settings (method, cfg->skip_visibility, is_fulltrust);
1637 if ((error = mono_loader_get_last_error ())) {
1639 cfg->exception_type = error->exception_type;
1641 mono_loader_clear_error ();
1643 mono_free_verify_list (res);
1648 for (tmp = res; tmp; tmp = tmp->next) {
1649 MonoVerifyInfoExtended *info = (MonoVerifyInfoExtended *)tmp->data;
1650 if (info->info.status == MONO_VERIFY_ERROR) {
1652 char *method_name = mono_method_full_name (method, TRUE);
1653 cfg->exception_type = info->exception_type;
1654 cfg->exception_message = g_strdup_printf ("Error verifying %s: %s", method_name, info->info.message);
1655 g_free (method_name);
1657 mono_free_verify_list (res);
1660 if (info->info.status == MONO_VERIFY_NOT_VERIFIABLE && (!is_fulltrust || info->exception_type == MONO_EXCEPTION_METHOD_ACCESS || info->exception_type == MONO_EXCEPTION_FIELD_ACCESS)) {
1662 char *method_name = mono_method_full_name (method, TRUE);
1663 cfg->exception_type = info->exception_type;
1664 cfg->exception_message = g_strdup_printf ("Error verifying %s: %s", method_name, info->info.message);
1665 g_free (method_name);
1667 mono_free_verify_list (res);
1671 mono_free_verify_list (res);
1673 method->verification_success = 1;
1677 /*Returns true if something went wrong*/
1679 mono_compile_is_broken (MonoCompile *cfg, MonoMethod *method, gboolean fail_compile)
1681 MonoMethod *method_definition = method;
1682 gboolean dont_verify = method->klass->image->assembly->corlib_internal;
1684 while (method_definition->is_inflated) {
1685 MonoMethodInflated *imethod = (MonoMethodInflated *) method_definition;
1686 method_definition = imethod->declaring;
1689 return !dont_verify && mini_method_verify (cfg, method_definition, fail_compile);
1692 static gconstpointer
1693 mono_icall_get_wrapper_full (MonoJitICallInfo* callinfo, gboolean do_compile)
1696 MonoMethod *wrapper;
1697 gconstpointer trampoline;
1698 MonoDomain *domain = mono_get_root_domain ();
1700 if (callinfo->wrapper) {
1701 return callinfo->wrapper;
1704 if (callinfo->trampoline)
1705 return callinfo->trampoline;
1708 * We use the lock on the root domain instead of the JIT lock to protect
1709 * callinfo->trampoline, since we do a lot of stuff inside the critical section.
1711 mono_loader_lock (); /*FIXME mono_compile_method requires the loader lock, by large.*/
1712 mono_domain_lock (domain);
1714 if (callinfo->trampoline) {
1715 mono_domain_unlock (domain);
1716 mono_loader_unlock ();
1717 return callinfo->trampoline;
1720 name = g_strdup_printf ("__icall_wrapper_%s", callinfo->name);
1721 wrapper = mono_marshal_get_icall_wrapper (callinfo->sig, name, callinfo->func, check_for_pending_exc);
1725 trampoline = mono_compile_method (wrapper);
1727 trampoline = mono_create_ftnptr (domain, mono_create_jit_trampoline_in_domain (domain, wrapper));
1728 mono_register_jit_icall_wrapper (callinfo, trampoline);
1730 callinfo->trampoline = trampoline;
1732 mono_domain_unlock (domain);
1733 mono_loader_unlock ();
1735 return callinfo->trampoline;
1739 mono_icall_get_wrapper (MonoJitICallInfo* callinfo)
1741 return mono_icall_get_wrapper_full (callinfo, FALSE);
1745 mono_dynamic_code_hash_insert (MonoDomain *domain, MonoMethod *method, MonoJitDynamicMethodInfo *ji)
1747 if (!domain_jit_info (domain)->dynamic_code_hash)
1748 domain_jit_info (domain)->dynamic_code_hash = g_hash_table_new (NULL, NULL);
1749 g_hash_table_insert (domain_jit_info (domain)->dynamic_code_hash, method, ji);
1752 static MonoJitDynamicMethodInfo*
1753 mono_dynamic_code_hash_lookup (MonoDomain *domain, MonoMethod *method)
1755 MonoJitDynamicMethodInfo *res;
1757 if (domain_jit_info (domain)->dynamic_code_hash)
1758 res = g_hash_table_lookup (domain_jit_info (domain)->dynamic_code_hash, method);
1766 GList *active, *inactive;
1771 compare_by_interval_start_pos_func (gconstpointer a, gconstpointer b)
1773 MonoMethodVar *v1 = (MonoMethodVar*)a;
1774 MonoMethodVar *v2 = (MonoMethodVar*)b;
1778 else if (v1->interval->range && v2->interval->range)
1779 return v1->interval->range->from - v2->interval->range->from;
1780 else if (v1->interval->range)
1789 #define LSCAN_DEBUG(a) do { a; } while (0)
1791 #define LSCAN_DEBUG(a)
1795 mono_allocate_stack_slots2 (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
1797 int i, slot, offset, size;
1802 GList *vars = NULL, *l, *unhandled;
1803 StackSlotInfo *scalar_stack_slots, *vtype_stack_slots, *slot_info;
1806 gboolean reuse_slot;
1808 LSCAN_DEBUG (printf ("Allocate Stack Slots 2 for %s:\n", mono_method_full_name (cfg->method, TRUE)));
1810 scalar_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * MONO_TYPE_PINNED);
1811 vtype_stack_slots = NULL;
1814 offsets = mono_mempool_alloc (cfg->mempool, sizeof (gint32) * cfg->num_varinfo);
1815 for (i = 0; i < cfg->num_varinfo; ++i)
1818 for (i = cfg->locals_start; i < cfg->num_varinfo; i++) {
1819 inst = cfg->varinfo [i];
1820 vmv = MONO_VARINFO (cfg, i);
1822 if ((inst->flags & MONO_INST_IS_DEAD) || inst->opcode == OP_REGVAR || inst->opcode == OP_REGOFFSET)
1825 vars = g_list_prepend (vars, vmv);
1828 vars = g_list_sort (g_list_copy (vars), compare_by_interval_start_pos_func);
1833 for (unhandled = vars; unhandled; unhandled = unhandled->next) {
1834 MonoMethodVar *current = unhandled->data;
1836 if (current->interval->range) {
1837 g_assert (current->interval->range->from >= i);
1838 i = current->interval->range->from;
1845 for (unhandled = vars; unhandled; unhandled = unhandled->next) {
1846 MonoMethodVar *current = unhandled->data;
1849 inst = cfg->varinfo [vmv->idx];
1851 t = mono_type_get_underlying_type (inst->inst_vtype);
1852 if (cfg->gsharedvt && mini_is_gsharedvt_variable_type (cfg, t))
1855 /* inst->backend.is_pinvoke indicates native sized value types, this is used by the
1856 * pinvoke wrappers when they call functions returning structures */
1857 if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (t) && t->type != MONO_TYPE_TYPEDBYREF) {
1858 size = mono_class_native_size (mono_class_from_mono_type (t), &align);
1863 size = mono_type_size (t, &ialign);
1866 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (t)))
1871 if (cfg->disable_reuse_stack_slots)
1875 case MONO_TYPE_GENERICINST:
1876 if (!mono_type_generic_inst_is_valuetype (t)) {
1877 slot_info = &scalar_stack_slots [t->type];
1881 case MONO_TYPE_VALUETYPE:
1882 if (!vtype_stack_slots)
1883 vtype_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * 256);
1884 for (i = 0; i < nvtypes; ++i)
1885 if (t->data.klass == vtype_stack_slots [i].vtype)
1888 slot_info = &vtype_stack_slots [i];
1890 g_assert (nvtypes < 256);
1891 vtype_stack_slots [nvtypes].vtype = t->data.klass;
1892 slot_info = &vtype_stack_slots [nvtypes];
1895 if (cfg->disable_reuse_ref_stack_slots)
1902 #if SIZEOF_VOID_P == 4
1907 if (cfg->disable_ref_noref_stack_slot_share) {
1908 slot_info = &scalar_stack_slots [MONO_TYPE_I];
1913 case MONO_TYPE_CLASS:
1914 case MONO_TYPE_OBJECT:
1915 case MONO_TYPE_ARRAY:
1916 case MONO_TYPE_SZARRAY:
1917 case MONO_TYPE_STRING:
1918 /* Share non-float stack slots of the same size */
1919 slot_info = &scalar_stack_slots [MONO_TYPE_CLASS];
1920 if (cfg->disable_reuse_ref_stack_slots)
1925 slot_info = &scalar_stack_slots [t->type];
1929 if (cfg->comp_done & MONO_COMP_LIVENESS) {
1933 //printf ("START %2d %08x %08x\n", vmv->idx, vmv->range.first_use.abs_pos, vmv->range.last_use.abs_pos);
1935 if (!current->interval->range) {
1936 if (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))
1940 inst->flags |= MONO_INST_IS_DEAD;
1945 pos = current->interval->range->from;
1947 LSCAN_DEBUG (printf ("process R%d ", inst->dreg));
1948 if (current->interval->range)
1949 LSCAN_DEBUG (mono_linterval_print (current->interval));
1950 LSCAN_DEBUG (printf ("\n"));
1952 /* Check for intervals in active which expired or inactive */
1954 /* FIXME: Optimize this */
1957 for (l = slot_info->active; l != NULL; l = l->next) {
1958 MonoMethodVar *v = (MonoMethodVar*)l->data;
1960 if (v->interval->last_range->to < pos) {
1961 slot_info->active = g_list_delete_link (slot_info->active, l);
1962 slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [v->idx]));
1963 LSCAN_DEBUG (printf ("Interval R%d has expired, adding 0x%x to slots\n", cfg->varinfo [v->idx]->dreg, offsets [v->idx]));
1967 else if (!mono_linterval_covers (v->interval, pos)) {
1968 slot_info->inactive = g_list_append (slot_info->inactive, v);
1969 slot_info->active = g_list_delete_link (slot_info->active, l);
1970 LSCAN_DEBUG (printf ("Interval R%d became inactive\n", cfg->varinfo [v->idx]->dreg));
1977 /* Check for intervals in inactive which expired or active */
1979 /* FIXME: Optimize this */
1982 for (l = slot_info->inactive; l != NULL; l = l->next) {
1983 MonoMethodVar *v = (MonoMethodVar*)l->data;
1985 if (v->interval->last_range->to < pos) {
1986 slot_info->inactive = g_list_delete_link (slot_info->inactive, l);
1987 // FIXME: Enabling this seems to cause impossible to debug crashes
1988 //slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [v->idx]));
1989 LSCAN_DEBUG (printf ("Interval R%d has expired, adding 0x%x to slots\n", cfg->varinfo [v->idx]->dreg, offsets [v->idx]));
1993 else if (mono_linterval_covers (v->interval, pos)) {
1994 slot_info->active = g_list_append (slot_info->active, v);
1995 slot_info->inactive = g_list_delete_link (slot_info->inactive, l);
1996 LSCAN_DEBUG (printf ("\tInterval R%d became active\n", cfg->varinfo [v->idx]->dreg));
2004 * This also handles the case when the variable is used in an
2005 * exception region, as liveness info is not computed there.
2008 * FIXME: All valuetypes are marked as INDIRECT because of LDADDR
2011 if (! (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))) {
2012 if (slot_info->slots) {
2013 slot = GPOINTER_TO_INT (slot_info->slots->data);
2015 slot_info->slots = slot_info->slots->next;
2018 /* FIXME: We might want to consider the inactive intervals as well if slot_info->slots is empty */
2020 slot_info->active = mono_varlist_insert_sorted (cfg, slot_info->active, vmv, TRUE);
2026 static int count = 0;
2029 if (count == atoi (g_getenv ("COUNT3")))
2030 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
2031 if (count > atoi (g_getenv ("COUNT3")))
2034 mono_print_ins (inst);
2039 LSCAN_DEBUG (printf ("R%d %s -> 0x%x\n", inst->dreg, mono_type_full_name (t), slot));
2041 if (inst->flags & MONO_INST_LMF) {
2042 size = sizeof (MonoLMF);
2043 align = sizeof (mgreg_t);
2050 if (slot == 0xffffff) {
2052 * Allways allocate valuetypes to sizeof (gpointer) to allow more
2053 * efficient copying (and to work around the fact that OP_MEMCPY
2054 * and OP_MEMSET ignores alignment).
2056 if (MONO_TYPE_ISSTRUCT (t)) {
2057 align = MAX (align, sizeof (gpointer));
2058 align = MAX (align, mono_class_min_align (mono_class_from_mono_type (t)));
2063 offset += align - 1;
2064 offset &= ~(align - 1);
2068 offset += align - 1;
2069 offset &= ~(align - 1);
2074 if (*stack_align == 0)
2075 *stack_align = align;
2078 offsets [vmv->idx] = slot;
2081 for (i = 0; i < MONO_TYPE_PINNED; ++i) {
2082 if (scalar_stack_slots [i].active)
2083 g_list_free (scalar_stack_slots [i].active);
2085 for (i = 0; i < nvtypes; ++i) {
2086 if (vtype_stack_slots [i].active)
2087 g_list_free (vtype_stack_slots [i].active);
2090 cfg->stat_locals_stack_size += offset;
2092 *stack_size = offset;
2097 * mono_allocate_stack_slots:
2099 * Allocate stack slots for all non register allocated variables using a
2100 * linear scan algorithm.
2101 * Returns: an array of stack offsets.
2102 * STACK_SIZE is set to the amount of stack space needed.
2103 * STACK_ALIGN is set to the alignment needed by the locals area.
2106 mono_allocate_stack_slots (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
2108 int i, slot, offset, size;
2113 GList *vars = NULL, *l;
2114 StackSlotInfo *scalar_stack_slots, *vtype_stack_slots, *slot_info;
2117 gboolean reuse_slot;
2119 if ((cfg->num_varinfo > 0) && MONO_VARINFO (cfg, 0)->interval)
2120 return mono_allocate_stack_slots2 (cfg, backward, stack_size, stack_align);
2122 scalar_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * MONO_TYPE_PINNED);
2123 vtype_stack_slots = NULL;
2126 offsets = mono_mempool_alloc (cfg->mempool, sizeof (gint32) * cfg->num_varinfo);
2127 for (i = 0; i < cfg->num_varinfo; ++i)
2130 for (i = cfg->locals_start; i < cfg->num_varinfo; i++) {
2131 inst = cfg->varinfo [i];
2132 vmv = MONO_VARINFO (cfg, i);
2134 if ((inst->flags & MONO_INST_IS_DEAD) || inst->opcode == OP_REGVAR || inst->opcode == OP_REGOFFSET)
2137 vars = g_list_prepend (vars, vmv);
2140 vars = mono_varlist_sort (cfg, vars, 0);
2142 *stack_align = sizeof(mgreg_t);
2143 for (l = vars; l; l = l->next) {
2145 inst = cfg->varinfo [vmv->idx];
2147 t = mono_type_get_underlying_type (inst->inst_vtype);
2148 if (cfg->gsharedvt && mini_is_gsharedvt_variable_type (cfg, t))
2151 /* inst->backend.is_pinvoke indicates native sized value types, this is used by the
2152 * pinvoke wrappers when they call functions returning structures */
2153 if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (t) && t->type != MONO_TYPE_TYPEDBYREF) {
2154 size = mono_class_native_size (mono_class_from_mono_type (t), &align);
2158 size = mono_type_size (t, &ialign);
2161 if (mono_class_from_mono_type (t)->exception_type)
2162 mono_cfg_set_exception (cfg, MONO_EXCEPTION_TYPE_LOAD);
2164 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (t)))
2169 if (cfg->disable_reuse_stack_slots)
2173 slot_info = &scalar_stack_slots [MONO_TYPE_I];
2176 case MONO_TYPE_GENERICINST:
2177 if (!mono_type_generic_inst_is_valuetype (t)) {
2178 slot_info = &scalar_stack_slots [t->type];
2182 case MONO_TYPE_VALUETYPE:
2183 if (!vtype_stack_slots)
2184 vtype_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * 256);
2185 for (i = 0; i < nvtypes; ++i)
2186 if (t->data.klass == vtype_stack_slots [i].vtype)
2189 slot_info = &vtype_stack_slots [i];
2191 g_assert (nvtypes < 256);
2192 vtype_stack_slots [nvtypes].vtype = t->data.klass;
2193 slot_info = &vtype_stack_slots [nvtypes];
2196 if (cfg->disable_reuse_ref_stack_slots)
2203 #if SIZEOF_VOID_P == 4
2208 if (cfg->disable_ref_noref_stack_slot_share) {
2209 slot_info = &scalar_stack_slots [MONO_TYPE_I];
2214 case MONO_TYPE_CLASS:
2215 case MONO_TYPE_OBJECT:
2216 case MONO_TYPE_ARRAY:
2217 case MONO_TYPE_SZARRAY:
2218 case MONO_TYPE_STRING:
2219 /* Share non-float stack slots of the same size */
2220 slot_info = &scalar_stack_slots [MONO_TYPE_CLASS];
2221 if (cfg->disable_reuse_ref_stack_slots)
2225 case MONO_TYPE_MVAR:
2226 slot_info = &scalar_stack_slots [t->type];
2229 slot_info = &scalar_stack_slots [t->type];
2235 if (cfg->comp_done & MONO_COMP_LIVENESS) {
2236 //printf ("START %2d %08x %08x\n", vmv->idx, vmv->range.first_use.abs_pos, vmv->range.last_use.abs_pos);
2238 /* expire old intervals in active */
2239 while (slot_info->active) {
2240 MonoMethodVar *amv = (MonoMethodVar *)slot_info->active->data;
2242 if (amv->range.last_use.abs_pos > vmv->range.first_use.abs_pos)
2245 //printf ("EXPIR %2d %08x %08x C%d R%d\n", amv->idx, amv->range.first_use.abs_pos, amv->range.last_use.abs_pos, amv->spill_costs, amv->reg);
2247 slot_info->active = g_list_delete_link (slot_info->active, slot_info->active);
2248 slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [amv->idx]));
2252 * This also handles the case when the variable is used in an
2253 * exception region, as liveness info is not computed there.
2256 * FIXME: All valuetypes are marked as INDIRECT because of LDADDR
2259 if (! (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))) {
2260 if (slot_info->slots) {
2261 slot = GPOINTER_TO_INT (slot_info->slots->data);
2263 slot_info->slots = slot_info->slots->next;
2266 slot_info->active = mono_varlist_insert_sorted (cfg, slot_info->active, vmv, TRUE);
2271 static int count = 0;
2275 if (count == atoi (g_getenv ("COUNT")))
2276 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
2277 if (count > atoi (g_getenv ("COUNT")))
2280 mono_print_ins (inst);
2285 if (inst->flags & MONO_INST_LMF) {
2287 * This variable represents a MonoLMF structure, which has no corresponding
2288 * CLR type, so hard-code its size/alignment.
2290 size = sizeof (MonoLMF);
2291 align = sizeof (mgreg_t);
2298 if (slot == 0xffffff) {
2300 * Allways allocate valuetypes to sizeof (gpointer) to allow more
2301 * efficient copying (and to work around the fact that OP_MEMCPY
2302 * and OP_MEMSET ignores alignment).
2304 if (MONO_TYPE_ISSTRUCT (t)) {
2305 align = MAX (align, sizeof (gpointer));
2306 align = MAX (align, mono_class_min_align (mono_class_from_mono_type (t)));
2308 * Align the size too so the code generated for passing vtypes in
2309 * registers doesn't overwrite random locals.
2311 size = (size + (align - 1)) & ~(align -1);
2316 offset += align - 1;
2317 offset &= ~(align - 1);
2321 offset += align - 1;
2322 offset &= ~(align - 1);
2327 *stack_align = MAX (*stack_align, align);
2330 offsets [vmv->idx] = slot;
2333 for (i = 0; i < MONO_TYPE_PINNED; ++i) {
2334 if (scalar_stack_slots [i].active)
2335 g_list_free (scalar_stack_slots [i].active);
2337 for (i = 0; i < nvtypes; ++i) {
2338 if (vtype_stack_slots [i].active)
2339 g_list_free (vtype_stack_slots [i].active);
2342 cfg->stat_locals_stack_size += offset;
2344 *stack_size = offset;
2351 mono_allocate_stack_slots (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
2353 g_assert_not_reached ();
2357 #endif /* DISABLE_JIT */
2359 #define EMUL_HIT_SHIFT 3
2360 #define EMUL_HIT_MASK ((1 << EMUL_HIT_SHIFT) - 1)
2361 /* small hit bitmap cache */
2362 static mono_byte emul_opcode_hit_cache [(OP_LAST>>EMUL_HIT_SHIFT) + 1] = {0};
2363 static short emul_opcode_num = 0;
2364 static short emul_opcode_alloced = 0;
2365 static short *emul_opcode_opcodes = NULL;
2366 static MonoJitICallInfo **emul_opcode_map = NULL;
2369 mono_find_jit_opcode_emulation (int opcode)
2371 g_assert (opcode >= 0 && opcode <= OP_LAST);
2372 if (emul_opcode_hit_cache [opcode >> (EMUL_HIT_SHIFT + 3)] & (1 << (opcode & EMUL_HIT_MASK))) {
2374 for (i = 0; i < emul_opcode_num; ++i) {
2375 if (emul_opcode_opcodes [i] == opcode)
2376 return emul_opcode_map [i];
2383 register_opcode_emulation (int opcode, const char *name, const char *sigstr, gpointer func, const char *symbol, gboolean no_throw)
2385 MonoJitICallInfo *info;
2386 MonoMethodSignature *sig = mono_create_icall_signature (sigstr);
2388 g_assert (!sig->hasthis);
2389 g_assert (sig->param_count < 3);
2391 info = mono_register_jit_icall_full (func, name, sig, no_throw, symbol);
2393 if (emul_opcode_num >= emul_opcode_alloced) {
2394 int incr = emul_opcode_alloced? emul_opcode_alloced/2: 16;
2395 emul_opcode_alloced += incr;
2396 emul_opcode_map = g_realloc (emul_opcode_map, sizeof (emul_opcode_map [0]) * emul_opcode_alloced);
2397 emul_opcode_opcodes = g_realloc (emul_opcode_opcodes, sizeof (emul_opcode_opcodes [0]) * emul_opcode_alloced);
2399 emul_opcode_map [emul_opcode_num] = info;
2400 emul_opcode_opcodes [emul_opcode_num] = opcode;
2402 emul_opcode_hit_cache [opcode >> (EMUL_HIT_SHIFT + 3)] |= (1 << (opcode & EMUL_HIT_MASK));
2406 * For JIT icalls implemented in C.
2407 * NAME should be the same as the name of the C function whose address is FUNC.
2408 * If SAVE is TRUE, no wrapper is generated. This is for perf critical icalls which
2409 * can't throw exceptions.
2412 register_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
2414 MonoMethodSignature *sig;
2417 sig = mono_create_icall_signature (sigstr);
2421 mono_register_jit_icall_full (func, name, sig, save, save ? name : NULL);
2425 register_dyn_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
2427 MonoMethodSignature *sig;
2430 sig = mono_create_icall_signature (sigstr);
2434 mono_register_jit_icall (func, name, sig, save);
2438 print_dfn (MonoCompile *cfg) {
2445 char *method_name = mono_method_full_name (cfg->method, TRUE);
2446 g_print ("IR code for method %s\n", method_name);
2447 g_free (method_name);
2450 for (i = 0; i < cfg->num_bblocks; ++i) {
2451 bb = cfg->bblocks [i];
2452 /*if (bb->cil_code) {
2453 char* code1, *code2;
2454 code1 = mono_disasm_code_one (NULL, cfg->method, bb->cil_code, NULL);
2455 if (bb->last_ins->cil_code)
2456 code2 = mono_disasm_code_one (NULL, cfg->method, bb->last_ins->cil_code, NULL);
2458 code2 = g_strdup ("");
2460 code1 [strlen (code1) - 1] = 0;
2461 code = g_strdup_printf ("%s -> %s", code1, code2);
2465 code = g_strdup ("\n");
2466 g_print ("\nBB%d (%d) (len: %d): %s", bb->block_num, i, bb->cil_length, code);
2467 MONO_BB_FOR_EACH_INS (bb, c) {
2468 mono_print_ins_index (-1, c);
2471 g_print ("\tprev:");
2472 for (j = 0; j < bb->in_count; ++j) {
2473 g_print (" BB%d", bb->in_bb [j]->block_num);
2475 g_print ("\t\tsucc:");
2476 for (j = 0; j < bb->out_count; ++j) {
2477 g_print (" BB%d", bb->out_bb [j]->block_num);
2479 g_print ("\n\tidom: BB%d\n", bb->idom? bb->idom->block_num: -1);
2482 g_assert (mono_bitset_test_fast (bb->dominators, bb->idom->dfn));
2485 mono_blockset_print (cfg, bb->dominators, "\tdominators", bb->idom? bb->idom->dfn: -1);
2487 mono_blockset_print (cfg, bb->dfrontier, "\tdfrontier", -1);
2495 mono_bblock_add_inst (MonoBasicBlock *bb, MonoInst *inst)
2497 MONO_ADD_INS (bb, inst);
2501 mono_bblock_insert_after_ins (MonoBasicBlock *bb, MonoInst *ins, MonoInst *ins_to_insert)
2505 bb->code = ins_to_insert;
2507 /* Link with next */
2508 ins_to_insert->next = ins;
2510 ins->prev = ins_to_insert;
2512 if (bb->last_ins == NULL)
2513 bb->last_ins = ins_to_insert;
2515 /* Link with next */
2516 ins_to_insert->next = ins->next;
2518 ins->next->prev = ins_to_insert;
2520 /* Link with previous */
2521 ins->next = ins_to_insert;
2522 ins_to_insert->prev = ins;
2524 if (bb->last_ins == ins)
2525 bb->last_ins = ins_to_insert;
2530 mono_bblock_insert_before_ins (MonoBasicBlock *bb, MonoInst *ins, MonoInst *ins_to_insert)
2535 ins->prev = ins_to_insert;
2536 bb->code = ins_to_insert;
2537 ins_to_insert->next = ins;
2538 if (bb->last_ins == NULL)
2539 bb->last_ins = ins_to_insert;
2541 /* Link with previous */
2543 ins->prev->next = ins_to_insert;
2544 ins_to_insert->prev = ins->prev;
2546 /* Link with next */
2547 ins->prev = ins_to_insert;
2548 ins_to_insert->next = ins;
2550 if (bb->code == ins)
2551 bb->code = ins_to_insert;
2556 * mono_verify_bblock:
2558 * Verify that the next and prev pointers are consistent inside the instructions in BB.
2561 mono_verify_bblock (MonoBasicBlock *bb)
2563 MonoInst *ins, *prev;
2566 for (ins = bb->code; ins; ins = ins->next) {
2567 g_assert (ins->prev == prev);
2571 g_assert (!bb->last_ins->next);
2577 * Perform consistency checks on the JIT data structures and the IR
2580 mono_verify_cfg (MonoCompile *cfg)
2584 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
2585 mono_verify_bblock (bb);
2589 mono_destroy_compile (MonoCompile *cfg)
2594 mono_metadata_free_mh (cfg->header);
2595 //mono_mempool_stats (cfg->mempool);
2596 mono_free_loop_info (cfg);
2598 mono_regstate_free (cfg->rs);
2600 g_hash_table_destroy (cfg->spvars);
2602 g_hash_table_destroy (cfg->exvars);
2603 for (l = cfg->headers_to_free; l; l = l->next)
2604 mono_metadata_free_mh (l->data);
2605 g_list_free (cfg->ldstr_list);
2606 g_hash_table_destroy (cfg->token_info_hash);
2607 if (cfg->abs_patches)
2608 g_hash_table_destroy (cfg->abs_patches);
2609 mono_mempool_destroy (cfg->mempool);
2611 mono_debug_free_method (cfg);
2613 g_free (cfg->varinfo);
2615 g_free (cfg->exception_message);
2619 #ifdef MONO_HAVE_FAST_TLS
2620 MONO_FAST_TLS_DECLARE(mono_lmf_addr);
2621 #ifdef MONO_ARCH_ENABLE_MONO_LMF_VAR
2623 * When this is defined, the current lmf is stored in this tls variable instead of in
2626 MONO_FAST_TLS_DECLARE(mono_lmf);
2631 mono_get_jit_tls_key (void)
2633 return mono_jit_tls_id;
2637 mono_get_jit_tls_offset (void)
2640 MONO_THREAD_VAR_OFFSET (mono_jit_tls, offset);
2645 mono_get_lmf_tls_offset (void)
2647 #if defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2649 MONO_THREAD_VAR_OFFSET(mono_lmf,offset);
2657 mono_get_lmf_addr_tls_offset (void)
2660 MONO_THREAD_VAR_OFFSET(mono_lmf_addr,offset);
2667 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2668 return MONO_FAST_TLS_GET (mono_lmf);
2670 MonoJitTlsData *jit_tls;
2672 if ((jit_tls = mono_native_tls_get_value (mono_jit_tls_id)))
2673 return jit_tls->lmf;
2675 * We do not assert here because this function can be called from
2676 * mini-gc.c on a thread that has not executed any managed code, yet
2677 * (the thread object allocation can trigger a collection).
2684 mono_get_lmf_addr (void)
2686 #ifdef MONO_HAVE_FAST_TLS
2687 return MONO_FAST_TLS_GET (mono_lmf_addr);
2689 MonoJitTlsData *jit_tls;
2691 jit_tls = mono_native_tls_get_value (mono_jit_tls_id);
2692 if (G_LIKELY (jit_tls))
2693 return &jit_tls->lmf;
2696 * When resolving the call to mono_jit_thread_attach full-aot will look
2697 * in the plt, which causes a call into the generic trampoline, which in turn
2698 * tries to resolve the lmf_addr creating a cyclic dependency. We cannot
2699 * call mono_jit_thread_attach from the native-to-managed wrapper, without
2700 * mono_get_lmf_addr, and mono_get_lmf_addr requires the thread to be attached.
2703 mono_jit_thread_attach (NULL);
2705 if ((jit_tls = mono_native_tls_get_value (mono_jit_tls_id)))
2706 return &jit_tls->lmf;
2708 g_assert_not_reached ();
2714 mono_set_lmf (MonoLMF *lmf)
2716 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2717 MONO_FAST_TLS_SET (mono_lmf, lmf);
2720 (*mono_get_lmf_addr ()) = lmf;
2724 mono_get_jit_tls (void)
2726 return mono_native_tls_get_value (mono_jit_tls_id);
2730 mono_set_jit_tls (MonoJitTlsData *jit_tls)
2732 MonoThreadInfo *info;
2734 mono_native_tls_set_value (mono_jit_tls_id, jit_tls);
2736 #ifdef MONO_HAVE_FAST_TLS
2737 MONO_FAST_TLS_SET (mono_jit_tls, jit_tls);
2740 /* Save it into MonoThreadInfo so it can be accessed by mono_thread_state_init_from_handle () */
2741 info = mono_thread_info_current ();
2743 mono_thread_info_tls_set (info, TLS_KEY_JIT_TLS, jit_tls);
2747 mono_set_lmf_addr (gpointer lmf_addr)
2749 MonoThreadInfo *info;
2751 #ifdef MONO_HAVE_FAST_TLS
2752 MONO_FAST_TLS_SET (mono_lmf_addr, lmf_addr);
2755 /* Save it into MonoThreadInfo so it can be accessed by mono_thread_state_init_from_handle () */
2756 info = mono_thread_info_current ();
2758 mono_thread_info_tls_set (info, TLS_KEY_LMF_ADDR, lmf_addr);
2762 * mono_jit_thread_attach:
2764 * Called by native->managed wrappers. Returns the original domain which needs to be
2765 * restored, or NULL.
2768 mono_jit_thread_attach (MonoDomain *domain)
2774 * Happens when called from AOTed code which is only used in the root
2777 domain = mono_get_root_domain ();
2779 #ifdef MONO_HAVE_FAST_TLS
2780 if (!MONO_FAST_TLS_GET (mono_lmf_addr)) {
2781 mono_thread_attach (domain);
2783 mono_thread_set_state (mono_thread_internal_current (), ThreadState_Background);
2786 if (!mono_native_tls_get_value (mono_jit_tls_id)) {
2787 mono_thread_attach (domain);
2788 mono_thread_set_state (mono_thread_internal_current (), ThreadState_Background);
2791 orig = mono_domain_get ();
2793 mono_domain_set (domain, TRUE);
2795 return orig != domain ? orig : NULL;
2798 /* Called by native->managed wrappers */
2800 mono_jit_set_domain (MonoDomain *domain)
2803 mono_domain_set (domain, TRUE);
2807 * mono_thread_abort:
2808 * @obj: exception object
2810 * abort the thread, print exception information and stack trace
2813 mono_thread_abort (MonoObject *obj)
2815 /* MonoJitTlsData *jit_tls = mono_native_tls_get_value (mono_jit_tls_id); */
2817 /* handle_remove should be eventually called for this thread, too
2820 if ((mono_runtime_unhandled_exception_policy_get () == MONO_UNHANDLED_POLICY_LEGACY) ||
2821 (obj->vtable->klass == mono_defaults.threadabortexception_class)) {
2822 mono_thread_exit ();
2824 mono_invoke_unhandled_exception_hook (obj);
2829 setup_jit_tls_data (gpointer stack_start, gpointer abort_func)
2831 MonoJitTlsData *jit_tls;
2834 jit_tls = mono_native_tls_get_value (mono_jit_tls_id);
2838 jit_tls = g_new0 (MonoJitTlsData, 1);
2840 jit_tls->abort_func = abort_func;
2841 jit_tls->end_of_stack = stack_start;
2843 mono_set_jit_tls (jit_tls);
2845 lmf = g_new0 (MonoLMF, 1);
2846 MONO_ARCH_INIT_TOP_LMF_ENTRY (lmf);
2848 jit_tls->first_lmf = lmf;
2850 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2851 /* jit_tls->lmf is unused */
2852 MONO_FAST_TLS_SET (mono_lmf, lmf);
2853 mono_set_lmf_addr (MONO_FAST_TLS_ADDR (mono_lmf));
2855 mono_set_lmf_addr (&jit_tls->lmf);
2860 #ifdef MONO_ARCH_HAVE_TLS_INIT
2861 mono_arch_tls_init ();
2864 mono_setup_altstack (jit_tls);
2870 free_jit_tls_data (MonoJitTlsData *jit_tls)
2872 mono_arch_free_jit_tls_data (jit_tls);
2873 mono_free_altstack (jit_tls);
2875 g_free (jit_tls->first_lmf);
2880 mono_thread_start_cb (intptr_t tid, gpointer stack_start, gpointer func)
2882 MonoInternalThread *thread;
2883 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort);
2884 thread = mono_thread_internal_current ();
2886 thread->jit_data = jit_tls;
2888 mono_arch_cpu_init ();
2891 void (*mono_thread_attach_aborted_cb ) (MonoObject *obj) = NULL;
2894 mono_thread_abort_dummy (MonoObject *obj)
2896 if (mono_thread_attach_aborted_cb)
2897 mono_thread_attach_aborted_cb (obj);
2899 mono_thread_abort (obj);
2903 mono_thread_attach_cb (intptr_t tid, gpointer stack_start)
2905 MonoInternalThread *thread;
2906 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort_dummy);
2907 thread = mono_thread_internal_current ();
2909 thread->jit_data = jit_tls;
2910 if (mono_profiler_get_events () & MONO_PROFILE_STATISTICAL)
2911 mono_runtime_setup_stat_profiler ();
2913 mono_arch_cpu_init ();
2917 mini_thread_cleanup (MonoInternalThread *thread)
2919 MonoJitTlsData *jit_tls = thread->jit_data;
2922 /* We can't clean up tls information if we are on another thread, it will clean up the wrong stuff
2923 * It would be nice to issue a warning when this happens outside of the shutdown sequence. but it's
2924 * not a trivial thing.
2926 * The current offender is mono_thread_manage which cleanup threads from the outside.
2928 if (thread == mono_thread_internal_current ())
2929 mono_set_jit_tls (NULL);
2931 /* If we attach a thread but never call into managed land, we might never get an lmf.*/
2932 if (mono_get_lmf ()) {
2933 mono_set_lmf (NULL);
2934 mono_set_lmf_addr (NULL);
2937 free_jit_tls_data (jit_tls);
2939 thread->jit_data = NULL;
2944 mini_get_tls_offset (MonoTlsKey key)
2949 case TLS_KEY_THREAD:
2950 offset = mono_thread_get_tls_offset ();
2952 case TLS_KEY_JIT_TLS:
2954 offset = mono_get_jit_tls_key ();
2955 /* Only 64 tls entries can be accessed using inline code */
2959 offset = mono_get_jit_tls_offset ();
2962 case TLS_KEY_DOMAIN:
2963 offset = mono_domain_get_tls_offset ();
2966 offset = mono_get_lmf_tls_offset ();
2968 case TLS_KEY_LMF_ADDR:
2969 offset = mono_get_lmf_addr_tls_offset ();
2972 offset = mono_tls_key_get_offset (key);
2973 g_assert (offset != -1);
2983 mono_create_tls_get_offset (MonoCompile *cfg, int offset)
2987 if (!MONO_ARCH_HAVE_TLS_GET)
2993 MONO_INST_NEW (cfg, ins, OP_TLS_GET);
2994 ins->dreg = mono_alloc_preg (cfg);
2995 ins->inst_offset = offset;
3000 mini_tls_get_supported (MonoCompile *cfg, MonoTlsKey key)
3002 if (!MONO_ARCH_HAVE_TLS_GET)
3005 if (cfg->compile_aot)
3006 return ARCH_HAVE_TLS_GET_REG;
3008 return mini_get_tls_offset (key) != -1;
3012 mono_create_tls_get (MonoCompile *cfg, MonoTlsKey key)
3015 * TLS offsets might be different at AOT time, so load them from a GOT slot and
3016 * use a different opcode.
3018 if (cfg->compile_aot) {
3019 if (MONO_ARCH_HAVE_TLS_GET && ARCH_HAVE_TLS_GET_REG) {
3022 EMIT_NEW_TLS_OFFSETCONST (cfg, c, key);
3023 MONO_INST_NEW (cfg, ins, OP_TLS_GET_REG);
3024 ins->dreg = mono_alloc_preg (cfg);
3025 ins->sreg1 = c->dreg;
3032 return mono_create_tls_get_offset (cfg, mini_get_tls_offset (key));
3036 mono_get_jit_tls_intrinsic (MonoCompile *cfg)
3038 return mono_create_tls_get (cfg, TLS_KEY_JIT_TLS);
3042 mono_get_domain_intrinsic (MonoCompile* cfg)
3044 return mono_create_tls_get (cfg, TLS_KEY_DOMAIN);
3048 mono_get_thread_intrinsic (MonoCompile* cfg)
3050 return mono_create_tls_get (cfg, TLS_KEY_THREAD);
3054 mono_get_lmf_intrinsic (MonoCompile* cfg)
3056 return mono_create_tls_get (cfg, TLS_KEY_LMF);
3060 mono_get_lmf_addr_intrinsic (MonoCompile* cfg)
3062 return mono_create_tls_get (cfg, TLS_KEY_LMF_ADDR);
3065 #endif /* !DISABLE_JIT */
3068 mono_add_patch_info (MonoCompile *cfg, int ip, MonoJumpInfoType type, gconstpointer target)
3070 MonoJumpInfo *ji = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoJumpInfo));
3074 ji->data.target = target;
3075 ji->next = cfg->patch_info;
3077 cfg->patch_info = ji;
3081 mono_add_patch_info_rel (MonoCompile *cfg, int ip, MonoJumpInfoType type, gconstpointer target, int relocation)
3083 MonoJumpInfo *ji = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoJumpInfo));
3087 ji->relocation = relocation;
3088 ji->data.target = target;
3089 ji->next = cfg->patch_info;
3091 cfg->patch_info = ji;
3095 mono_patch_info_list_prepend (MonoJumpInfo *list, int ip, MonoJumpInfoType type, gconstpointer target)
3097 MonoJumpInfo *ji = g_new0 (MonoJumpInfo, 1);
3101 ji->data.target = target;
3108 mono_remove_patch_info (MonoCompile *cfg, int ip)
3110 MonoJumpInfo **ji = &cfg->patch_info;
3113 if ((*ji)->ip.i == ip)
3116 ji = &((*ji)->next);
3121 * mono_patch_info_dup_mp:
3123 * Make a copy of PATCH_INFO, allocating memory from the mempool MP.
3126 mono_patch_info_dup_mp (MonoMemPool *mp, MonoJumpInfo *patch_info)
3128 MonoJumpInfo *res = mono_mempool_alloc (mp, sizeof (MonoJumpInfo));
3129 memcpy (res, patch_info, sizeof (MonoJumpInfo));
3131 switch (patch_info->type) {
3132 case MONO_PATCH_INFO_RVA:
3133 case MONO_PATCH_INFO_LDSTR:
3134 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
3135 case MONO_PATCH_INFO_LDTOKEN:
3136 case MONO_PATCH_INFO_DECLSEC:
3137 res->data.token = mono_mempool_alloc (mp, sizeof (MonoJumpInfoToken));
3138 memcpy (res->data.token, patch_info->data.token, sizeof (MonoJumpInfoToken));
3140 case MONO_PATCH_INFO_SWITCH:
3141 res->data.table = mono_mempool_alloc (mp, sizeof (MonoJumpInfoBBTable));
3142 memcpy (res->data.table, patch_info->data.table, sizeof (MonoJumpInfoBBTable));
3143 res->data.table->table = mono_mempool_alloc (mp, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
3144 memcpy (res->data.table->table, patch_info->data.table->table, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
3146 case MONO_PATCH_INFO_RGCTX_FETCH:
3147 res->data.rgctx_entry = mono_mempool_alloc (mp, sizeof (MonoJumpInfoRgctxEntry));
3148 memcpy (res->data.rgctx_entry, patch_info->data.rgctx_entry, sizeof (MonoJumpInfoRgctxEntry));
3149 res->data.rgctx_entry->data = mono_patch_info_dup_mp (mp, res->data.rgctx_entry->data);
3151 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
3152 res->data.del_tramp = mono_mempool_alloc0 (mp, sizeof (MonoClassMethodPair));
3153 memcpy (res->data.del_tramp, patch_info->data.del_tramp, sizeof (MonoClassMethodPair));
3155 case MONO_PATCH_INFO_GSHAREDVT_CALL:
3156 res->data.gsharedvt = mono_mempool_alloc (mp, sizeof (MonoJumpInfoGSharedVtCall));
3157 memcpy (res->data.gsharedvt, patch_info->data.gsharedvt, sizeof (MonoJumpInfoGSharedVtCall));
3159 case MONO_PATCH_INFO_GSHAREDVT_METHOD: {
3160 MonoGSharedVtMethodInfo *info;
3161 MonoGSharedVtMethodInfo *oinfo;
3164 oinfo = patch_info->data.gsharedvt_method;
3165 info = mono_mempool_alloc (mp, sizeof (MonoGSharedVtMethodInfo));
3166 res->data.gsharedvt_method = info;
3167 memcpy (info, oinfo, sizeof (MonoGSharedVtMethodInfo));
3168 info->entries = mono_mempool_alloc (mp, sizeof (MonoRuntimeGenericContextInfoTemplate) * info->count_entries);
3169 for (i = 0; i < oinfo->num_entries; ++i) {
3170 MonoRuntimeGenericContextInfoTemplate *otemplate = &oinfo->entries [i];
3171 MonoRuntimeGenericContextInfoTemplate *template = &info->entries [i];
3173 memcpy (template, otemplate, sizeof (MonoRuntimeGenericContextInfoTemplate));
3175 //info->locals_types = mono_mempool_alloc0 (mp, info->nlocals * sizeof (MonoType*));
3176 //memcpy (info->locals_types, oinfo->locals_types, info->nlocals * sizeof (MonoType*));
3187 mono_patch_info_hash (gconstpointer data)
3189 const MonoJumpInfo *ji = (MonoJumpInfo*)data;
3192 case MONO_PATCH_INFO_RVA:
3193 case MONO_PATCH_INFO_LDSTR:
3194 case MONO_PATCH_INFO_LDTOKEN:
3195 case MONO_PATCH_INFO_DECLSEC:
3196 return (ji->type << 8) | ji->data.token->token;
3197 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
3198 return (ji->type << 8) | ji->data.token->token | (ji->data.token->has_context ? (gsize)ji->data.token->context.class_inst : 0);
3199 case MONO_PATCH_INFO_INTERNAL_METHOD:
3200 return (ji->type << 8) | g_str_hash (ji->data.name);
3201 case MONO_PATCH_INFO_VTABLE:
3202 case MONO_PATCH_INFO_CLASS:
3203 case MONO_PATCH_INFO_IID:
3204 case MONO_PATCH_INFO_ADJUSTED_IID:
3205 case MONO_PATCH_INFO_CLASS_INIT:
3206 case MONO_PATCH_INFO_GENERIC_CLASS_INIT:
3207 case MONO_PATCH_INFO_METHODCONST:
3208 case MONO_PATCH_INFO_METHOD:
3209 case MONO_PATCH_INFO_METHOD_JUMP:
3210 case MONO_PATCH_INFO_IMAGE:
3211 case MONO_PATCH_INFO_JIT_ICALL_ADDR:
3212 case MONO_PATCH_INFO_ICALL_ADDR:
3213 case MONO_PATCH_INFO_FIELD:
3214 case MONO_PATCH_INFO_SFLDA:
3215 case MONO_PATCH_INFO_SEQ_POINT_INFO:
3216 case MONO_PATCH_INFO_METHOD_RGCTX:
3217 case MONO_PATCH_INFO_SIGNATURE:
3218 case MONO_PATCH_INFO_TLS_OFFSET:
3219 case MONO_PATCH_INFO_METHOD_CODE_SLOT:
3220 return (ji->type << 8) | (gssize)ji->data.target;
3221 case MONO_PATCH_INFO_GSHAREDVT_CALL:
3222 return (ji->type << 8) | (gssize)ji->data.gsharedvt->method;
3223 case MONO_PATCH_INFO_RGCTX_FETCH: {
3224 MonoJumpInfoRgctxEntry *e = ji->data.rgctx_entry;
3226 return (ji->type << 8) | (gssize)e->method | (e->in_mrgctx) | e->info_type | mono_patch_info_hash (e->data);
3228 case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG:
3229 case MONO_PATCH_INFO_MSCORLIB_GOT_ADDR:
3230 case MONO_PATCH_INFO_GC_CARD_TABLE_ADDR:
3231 case MONO_PATCH_INFO_JIT_TLS_ID:
3232 case MONO_PATCH_INFO_MONITOR_ENTER:
3233 case MONO_PATCH_INFO_MONITOR_EXIT:
3234 case MONO_PATCH_INFO_CASTCLASS_CACHE:
3235 case MONO_PATCH_INFO_GOT_OFFSET:
3236 return (ji->type << 8);
3237 case MONO_PATCH_INFO_SWITCH:
3238 return (ji->type << 8) | ji->data.table->table_size;
3239 case MONO_PATCH_INFO_GSHAREDVT_METHOD:
3240 return (ji->type << 8) | (gssize)ji->data.gsharedvt_method->method;
3241 case MONO_PATCH_INFO_OBJC_SELECTOR_REF:
3242 /* Hash on the selector name */
3243 return g_str_hash (ji->data.target);
3244 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
3245 return (ji->type << 8) | (gsize)ji->data.del_tramp->klass | (gsize)ji->data.del_tramp->method;
3247 printf ("info type: %d\n", ji->type);
3248 mono_print_ji (ji); printf ("\n");
3249 g_assert_not_reached ();
3255 * mono_patch_info_equal:
3257 * This might fail to recognize equivalent patches, i.e. floats, so its only
3258 * usable in those cases where this is not a problem, i.e. sharing GOT slots
3262 mono_patch_info_equal (gconstpointer ka, gconstpointer kb)
3264 const MonoJumpInfo *ji1 = (MonoJumpInfo*)ka;
3265 const MonoJumpInfo *ji2 = (MonoJumpInfo*)kb;
3267 if (ji1->type != ji2->type)
3270 switch (ji1->type) {
3271 case MONO_PATCH_INFO_RVA:
3272 case MONO_PATCH_INFO_LDSTR:
3273 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
3274 case MONO_PATCH_INFO_LDTOKEN:
3275 case MONO_PATCH_INFO_DECLSEC:
3276 if ((ji1->data.token->image != ji2->data.token->image) ||
3277 (ji1->data.token->token != ji2->data.token->token) ||
3278 (ji1->data.token->has_context != ji2->data.token->has_context) ||
3279 (ji1->data.token->context.class_inst != ji2->data.token->context.class_inst) ||
3280 (ji1->data.token->context.method_inst != ji2->data.token->context.method_inst))
3283 case MONO_PATCH_INFO_INTERNAL_METHOD:
3284 return g_str_equal (ji1->data.name, ji2->data.name);
3285 case MONO_PATCH_INFO_RGCTX_FETCH: {
3286 MonoJumpInfoRgctxEntry *e1 = ji1->data.rgctx_entry;
3287 MonoJumpInfoRgctxEntry *e2 = ji2->data.rgctx_entry;
3289 return e1->method == e2->method && e1->in_mrgctx == e2->in_mrgctx && e1->info_type == e2->info_type && mono_patch_info_equal (e1->data, e2->data);
3291 case MONO_PATCH_INFO_GSHAREDVT_CALL: {
3292 MonoJumpInfoGSharedVtCall *c1 = ji1->data.gsharedvt;
3293 MonoJumpInfoGSharedVtCall *c2 = ji2->data.gsharedvt;
3295 return c1->sig == c2->sig && c1->method == c2->method;
3297 case MONO_PATCH_INFO_GSHAREDVT_METHOD:
3298 return ji1->data.gsharedvt_method->method == ji2->data.gsharedvt_method->method;
3299 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
3300 return ji1->data.del_tramp->klass == ji2->data.del_tramp->klass && ji1->data.del_tramp->method == ji2->data.del_tramp->method;
3302 if (ji1->data.target != ji2->data.target)
3311 mono_resolve_patch_target (MonoMethod *method, MonoDomain *domain, guint8 *code, MonoJumpInfo *patch_info, gboolean run_cctors)
3313 unsigned char *ip = patch_info->ip.i + code;
3314 gconstpointer target = NULL;
3316 switch (patch_info->type) {
3317 case MONO_PATCH_INFO_BB:
3319 * FIXME: This could be hit for methods without a prolog. Should use -1
3320 * but too much code depends on a 0 initial value.
3322 //g_assert (patch_info->data.bb->native_offset);
3323 target = patch_info->data.bb->native_offset + code;
3325 case MONO_PATCH_INFO_ABS:
3326 target = patch_info->data.target;
3328 case MONO_PATCH_INFO_LABEL:
3329 target = patch_info->data.inst->inst_c0 + code;
3331 case MONO_PATCH_INFO_IP:
3332 #if defined(__native_client__) && defined(__native_client_codegen__)
3333 /* Need to transform to the destination address, it's */
3334 /* emitted as an immediate in the code. */
3335 target = nacl_inverse_modify_patch_target(ip);
3340 case MONO_PATCH_INFO_METHOD_REL:
3341 target = code + patch_info->data.offset;
3343 case MONO_PATCH_INFO_INTERNAL_METHOD: {
3344 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
3346 g_warning ("unknown MONO_PATCH_INFO_INTERNAL_METHOD %s", patch_info->data.name);
3347 g_assert_not_reached ();
3349 target = mono_icall_get_wrapper (mi);
3352 case MONO_PATCH_INFO_JIT_ICALL_ADDR: {
3353 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
3355 g_warning ("unknown MONO_PATCH_INFO_JIT_ICALL_ADDR %s", patch_info->data.name);
3356 g_assert_not_reached ();
3361 case MONO_PATCH_INFO_METHOD_JUMP:
3362 target = mono_create_jump_trampoline (domain, patch_info->data.method, FALSE);
3363 #if defined(__native_client__) && defined(__native_client_codegen__)
3364 # if defined(TARGET_AMD64)
3365 /* This target is an absolute address, not relative to the */
3366 /* current code being emitted on AMD64. */
3367 target = nacl_inverse_modify_patch_target(target);
3371 case MONO_PATCH_INFO_METHOD:
3372 #if defined(__native_client_codegen__) && defined(USE_JUMP_TABLES)
3374 * If we use jumptables, for recursive calls we cannot
3375 * avoid trampoline, as we not yet know where we will
3378 target = mono_create_jit_trampoline_in_domain (domain, patch_info->data.method);
3380 if (patch_info->data.method == method) {
3383 /* get the trampoline to the method from the domain */
3384 target = mono_create_jit_trampoline_in_domain (domain, patch_info->data.method);
3388 case MONO_PATCH_INFO_METHOD_CODE_SLOT: {
3391 mono_domain_lock (domain);
3392 if (!domain_jit_info (domain)->method_code_hash)
3393 domain_jit_info (domain)->method_code_hash = g_hash_table_new (NULL, NULL);
3394 code_slot = g_hash_table_lookup (domain_jit_info (domain)->method_code_hash, patch_info->data.method);
3396 code_slot = mono_domain_alloc0 (domain, sizeof (gpointer));
3397 g_hash_table_insert (domain_jit_info (domain)->method_code_hash, patch_info->data.method, code_slot);
3399 mono_domain_unlock (domain);
3403 case MONO_PATCH_INFO_SWITCH: {
3404 gpointer *jump_table;
3406 #if defined(__native_client__) && defined(__native_client_codegen__)
3407 /* This memory will leak, but we don't care if we're */
3408 /* not deleting JIT'd methods anyway */
3409 jump_table = g_malloc0 (sizeof(gpointer) * patch_info->data.table->table_size);
3411 if (method && method->dynamic) {
3412 jump_table = mono_code_manager_reserve (mono_dynamic_code_hash_lookup (domain, method)->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
3414 if (mono_aot_only) {
3415 jump_table = mono_domain_alloc (domain, sizeof (gpointer) * patch_info->data.table->table_size);
3417 jump_table = mono_domain_code_reserve (domain, sizeof (gpointer) * patch_info->data.table->table_size);
3422 for (i = 0; i < patch_info->data.table->table_size; i++) {
3423 #if defined(__native_client__) && defined(__native_client_codegen__)
3424 /* 'code' is relative to the current code blob, we */
3425 /* need to do this transform on it to make the */
3426 /* pointers in this table absolute */
3427 jump_table [i] = nacl_inverse_modify_patch_target (code) + GPOINTER_TO_INT (patch_info->data.table->table [i]);
3429 jump_table [i] = code + GPOINTER_TO_INT (patch_info->data.table->table [i]);
3433 #if defined(__native_client__) && defined(__native_client_codegen__)
3434 /* jump_table is in the data section, we need to transform */
3435 /* it here so when it gets modified in amd64_patch it will */
3436 /* then point back to the absolute data address */
3437 target = nacl_inverse_modify_patch_target (jump_table);
3439 target = jump_table;
3443 case MONO_PATCH_INFO_METHODCONST:
3444 case MONO_PATCH_INFO_CLASS:
3445 case MONO_PATCH_INFO_IMAGE:
3446 case MONO_PATCH_INFO_FIELD:
3447 case MONO_PATCH_INFO_SIGNATURE:
3448 target = patch_info->data.target;
3450 case MONO_PATCH_INFO_IID:
3451 mono_class_init (patch_info->data.klass);
3452 target = GINT_TO_POINTER ((int)patch_info->data.klass->interface_id);
3454 case MONO_PATCH_INFO_ADJUSTED_IID:
3455 mono_class_init (patch_info->data.klass);
3456 target = GINT_TO_POINTER ((int)(-((patch_info->data.klass->interface_id + 1) * SIZEOF_VOID_P)));
3458 case MONO_PATCH_INFO_VTABLE:
3459 target = mono_class_vtable (domain, patch_info->data.klass);
3462 case MONO_PATCH_INFO_CLASS_INIT: {
3463 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.klass);
3466 target = mono_create_class_init_trampoline (vtable);
3469 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE: {
3470 MonoClassMethodPair *del_tramp = patch_info->data.del_tramp;
3472 target = mono_create_delegate_trampoline_with_method (domain, del_tramp->klass, del_tramp->method);
3475 case MONO_PATCH_INFO_SFLDA: {
3476 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.field->parent);
3478 if (mono_class_field_is_special_static (patch_info->data.field)) {
3479 gpointer addr = NULL;
3481 mono_domain_lock (domain);
3482 if (domain->special_static_fields)
3483 addr = g_hash_table_lookup (domain->special_static_fields, patch_info->data.field);
3484 mono_domain_unlock (domain);
3490 if (!vtable->initialized && !(vtable->klass->flags & TYPE_ATTRIBUTE_BEFORE_FIELD_INIT) && (method && mono_class_needs_cctor_run (vtable->klass, method)))
3491 /* Done by the generated code */
3495 mono_runtime_class_init (vtable);
3497 target = (char*)mono_vtable_get_static_field_data (vtable) + patch_info->data.field->offset;
3500 case MONO_PATCH_INFO_RVA: {
3501 guint32 field_index = mono_metadata_token_index (patch_info->data.token->token);
3504 mono_metadata_field_info (patch_info->data.token->image, field_index - 1, NULL, &rva, NULL);
3505 target = mono_image_rva_map (patch_info->data.token->image, rva);
3508 case MONO_PATCH_INFO_R4:
3509 case MONO_PATCH_INFO_R8:
3510 target = patch_info->data.target;
3512 case MONO_PATCH_INFO_EXC_NAME:
3513 target = patch_info->data.name;
3515 case MONO_PATCH_INFO_LDSTR:
3517 mono_ldstr (domain, patch_info->data.token->image,
3518 mono_metadata_token_index (patch_info->data.token->token));
3520 case MONO_PATCH_INFO_TYPE_FROM_HANDLE: {
3522 MonoClass *handle_class;
3524 handle = mono_ldtoken (patch_info->data.token->image,
3525 patch_info->data.token->token, &handle_class, patch_info->data.token->has_context ? &patch_info->data.token->context : NULL);
3526 mono_class_init (handle_class);
3527 mono_class_init (mono_class_from_mono_type (handle));
3530 mono_type_get_object (domain, handle);
3533 case MONO_PATCH_INFO_LDTOKEN: {
3535 MonoClass *handle_class;
3537 handle = mono_ldtoken (patch_info->data.token->image,
3538 patch_info->data.token->token, &handle_class, patch_info->data.token->has_context ? &patch_info->data.token->context : NULL);
3539 mono_class_init (handle_class);
3544 case MONO_PATCH_INFO_DECLSEC:
3545 target = (mono_metadata_blob_heap (patch_info->data.token->image, patch_info->data.token->token) + 2);
3547 case MONO_PATCH_INFO_ICALL_ADDR:
3548 /* run_cctors == 0 -> AOT */
3549 if (patch_info->data.method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) {
3550 const char *exc_class;
3551 const char *exc_arg;
3554 target = mono_lookup_pinvoke_call (patch_info->data.method, &exc_class, &exc_arg);
3557 mono_raise_exception (mono_exception_from_name_msg (mono_defaults.corlib, "System", exc_class, exc_arg));
3558 g_error ("Unable to resolve pinvoke method '%s' Re-run with MONO_LOG_LEVEL=debug for more information.\n", mono_method_full_name (patch_info->data.method, TRUE));
3564 target = mono_lookup_internal_call (patch_info->data.method);
3566 if (!target && run_cctors)
3567 g_error ("Unregistered icall '%s'\n", mono_method_full_name (patch_info->data.method, TRUE));
3570 case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG:
3571 target = mono_thread_interruption_request_flag ();
3573 case MONO_PATCH_INFO_METHOD_RGCTX: {
3574 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.method->klass);
3577 target = mono_method_lookup_rgctx (vtable, mini_method_get_context (patch_info->data.method)->method_inst);
3580 case MONO_PATCH_INFO_BB_OVF:
3581 case MONO_PATCH_INFO_EXC_OVF:
3582 case MONO_PATCH_INFO_GOT_OFFSET:
3583 case MONO_PATCH_INFO_NONE:
3585 case MONO_PATCH_INFO_RGCTX_FETCH: {
3586 MonoJumpInfoRgctxEntry *entry = patch_info->data.rgctx_entry;
3589 switch (entry->data->type) {
3590 case MONO_PATCH_INFO_CLASS:
3591 slot = mono_method_lookup_or_register_info (entry->method, entry->in_mrgctx, &entry->data->data.klass->byval_arg, entry->info_type, mono_method_get_context (entry->method));
3593 case MONO_PATCH_INFO_METHOD:
3594 case MONO_PATCH_INFO_METHODCONST:
3595 slot = mono_method_lookup_or_register_info (entry->method, entry->in_mrgctx, entry->data->data.method, entry->info_type, mono_method_get_context (entry->method));
3597 case MONO_PATCH_INFO_FIELD:
3598 slot = mono_method_lookup_or_register_info (entry->method, entry->in_mrgctx, entry->data->data.field, entry->info_type, mono_method_get_context (entry->method));
3600 case MONO_PATCH_INFO_SIGNATURE:
3601 slot = mono_method_lookup_or_register_info (entry->method, entry->in_mrgctx, entry->data->data.sig, entry->info_type, mono_method_get_context (entry->method));
3603 case MONO_PATCH_INFO_GSHAREDVT_CALL: {
3604 MonoJumpInfoGSharedVtCall *call_info = g_malloc0 (sizeof (MonoJumpInfoGSharedVtCall)); //mono_domain_alloc0 (domain, sizeof (MonoJumpInfoGSharedVtCall));
3606 memcpy (call_info, entry->data->data.gsharedvt, sizeof (MonoJumpInfoGSharedVtCall));
3607 slot = mono_method_lookup_or_register_info (entry->method, entry->in_mrgctx, call_info, entry->info_type, mono_method_get_context (entry->method));
3610 case MONO_PATCH_INFO_GSHAREDVT_METHOD: {
3611 MonoGSharedVtMethodInfo *info;
3612 MonoGSharedVtMethodInfo *oinfo = entry->data->data.gsharedvt_method;
3615 /* Make a copy into the domain mempool */
3616 info = g_malloc0 (sizeof (MonoGSharedVtMethodInfo)); //mono_domain_alloc0 (domain, sizeof (MonoGSharedVtMethodInfo));
3617 info->method = oinfo->method;
3618 info->num_entries = oinfo->num_entries;
3619 info->entries = g_malloc0 (sizeof (MonoRuntimeGenericContextInfoTemplate) * info->num_entries);
3620 for (i = 0; i < oinfo->num_entries; ++i) {
3621 MonoRuntimeGenericContextInfoTemplate *otemplate = &oinfo->entries [i];
3622 MonoRuntimeGenericContextInfoTemplate *template = &info->entries [i];
3624 memcpy (template, otemplate, sizeof (MonoRuntimeGenericContextInfoTemplate));
3626 slot = mono_method_lookup_or_register_info (entry->method, entry->in_mrgctx, info, entry->info_type, mono_method_get_context (entry->method));
3630 g_assert_not_reached ();
3634 target = mono_create_rgctx_lazy_fetch_trampoline (slot);
3637 case MONO_PATCH_INFO_GENERIC_CLASS_INIT:
3638 target = mono_create_generic_class_init_trampoline ();
3640 case MONO_PATCH_INFO_MONITOR_ENTER:
3641 target = mono_create_monitor_enter_trampoline ();
3643 case MONO_PATCH_INFO_MONITOR_EXIT:
3644 target = mono_create_monitor_exit_trampoline ();
3646 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
3647 case MONO_PATCH_INFO_SEQ_POINT_INFO:
3649 /* AOT, not needed */
3652 target = mono_arch_get_seq_point_info (domain, code);
3655 case MONO_PATCH_INFO_LLVM_IMT_TRAMPOLINE:
3656 #ifdef MONO_ARCH_LLVM_SUPPORTED
3657 g_assert (mono_use_llvm);
3658 target = mono_create_llvm_imt_trampoline (domain, patch_info->data.imt_tramp->method, patch_info->data.imt_tramp->vt_offset);
3660 g_assert_not_reached ();
3663 case MONO_PATCH_INFO_GC_CARD_TABLE_ADDR: {
3664 int card_table_shift_bits;
3665 gpointer card_table_mask;
3667 target = mono_gc_get_card_table (&card_table_shift_bits, &card_table_mask);
3670 case MONO_PATCH_INFO_CASTCLASS_CACHE: {
3671 target = mono_domain_alloc0 (domain, sizeof (gpointer));
3674 case MONO_PATCH_INFO_JIT_TLS_ID: {
3675 target = (gpointer) (size_t) mono_jit_tls_id;
3678 case MONO_PATCH_INFO_TLS_OFFSET: {
3681 offset = mini_get_tls_offset (GPOINTER_TO_INT (patch_info->data.target));
3682 #ifdef MONO_ARCH_HAVE_TRANSLATE_TLS_OFFSET
3683 offset = mono_arch_translate_tls_offset (offset);
3685 target = GINT_TO_POINTER (offset);
3688 case MONO_PATCH_INFO_OBJC_SELECTOR_REF: {
3693 g_assert_not_reached ();
3696 return (gpointer)target;
3700 mono_add_seq_point (MonoCompile *cfg, MonoBasicBlock *bb, MonoInst *ins, int native_offset)
3702 ins->inst_offset = native_offset;
3703 g_ptr_array_add (cfg->seq_points, ins);
3705 bb->seq_points = g_slist_prepend_mempool (cfg->mempool, bb->seq_points, ins);
3706 bb->last_seq_point = ins;
3711 mono_add_var_location (MonoCompile *cfg, MonoInst *var, gboolean is_reg, int reg, int offset, int from, int to)
3713 MonoDwarfLocListEntry *entry = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoDwarfLocListEntry));
3716 g_assert (offset == 0);
3718 entry->is_reg = is_reg;
3720 entry->offset = offset;
3724 if (var == cfg->args [0])
3725 cfg->this_loclist = g_slist_append_mempool (cfg->mempool, cfg->this_loclist, entry);
3726 else if (var == cfg->rgctx_var)
3727 cfg->rgctx_loclist = g_slist_append_mempool (cfg->mempool, cfg->rgctx_loclist, entry);
3733 mono_compile_create_vars (MonoCompile *cfg)
3735 MonoMethodSignature *sig;
3736 MonoMethodHeader *header;
3739 header = cfg->header;
3741 sig = mono_method_signature (cfg->method);
3743 if (!MONO_TYPE_IS_VOID (sig->ret)) {
3744 cfg->ret = mono_compile_create_var (cfg, sig->ret, OP_ARG);
3745 /* Inhibit optimizations */
3746 cfg->ret->flags |= MONO_INST_VOLATILE;
3748 if (cfg->verbose_level > 2)
3749 g_print ("creating vars\n");
3751 cfg->args = mono_mempool_alloc0 (cfg->mempool, (sig->param_count + sig->hasthis) * sizeof (MonoInst*));
3754 cfg->args [0] = mono_compile_create_var (cfg, &cfg->method->klass->this_arg, OP_ARG);
3756 for (i = 0; i < sig->param_count; ++i) {
3757 cfg->args [i + sig->hasthis] = mono_compile_create_var (cfg, sig->params [i], OP_ARG);
3760 if (cfg->verbose_level > 2) {
3762 printf ("\treturn : ");
3763 mono_print_ins (cfg->ret);
3767 printf ("\tthis: ");
3768 mono_print_ins (cfg->args [0]);
3771 for (i = 0; i < sig->param_count; ++i) {
3772 printf ("\targ [%d]: ", i);
3773 mono_print_ins (cfg->args [i + sig->hasthis]);
3777 cfg->locals_start = cfg->num_varinfo;
3778 cfg->locals = mono_mempool_alloc0 (cfg->mempool, header->num_locals * sizeof (MonoInst*));
3780 if (cfg->verbose_level > 2)
3781 g_print ("creating locals\n");
3783 for (i = 0; i < header->num_locals; ++i)
3784 cfg->locals [i] = mono_compile_create_var (cfg, header->locals [i], OP_LOCAL);
3786 if (cfg->verbose_level > 2)
3787 g_print ("locals done\n");
3789 mono_arch_create_vars (cfg);
3791 if (cfg->method->save_lmf && cfg->create_lmf_var) {
3792 MonoInst *lmf_var = mono_compile_create_var (cfg, &mono_defaults.int_class->byval_arg, OP_LOCAL);
3793 lmf_var->flags |= MONO_INST_VOLATILE;
3794 lmf_var->flags |= MONO_INST_LMF;
3795 cfg->lmf_var = lmf_var;
3800 mono_print_code (MonoCompile *cfg, const char* msg)
3804 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
3805 mono_print_bb (bb, msg);
3809 mono_postprocess_patches (MonoCompile *cfg)
3811 MonoJumpInfo *patch_info;
3814 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next) {
3815 switch (patch_info->type) {
3816 case MONO_PATCH_INFO_ABS: {
3817 MonoJitICallInfo *info = mono_find_jit_icall_by_addr (patch_info->data.target);
3820 * Change patches of type MONO_PATCH_INFO_ABS into patches describing the
3824 //printf ("TEST %s %p\n", info->name, patch_info->data.target);
3825 /* for these array methods we currently register the same function pointer
3826 * since it's a vararg function. But this means that mono_find_jit_icall_by_addr ()
3827 * will return the incorrect one depending on the order they are registered.
3828 * See tests/test-arr.cs
3830 if (strstr (info->name, "ves_array_new_va_") == NULL && strstr (info->name, "ves_array_element_address_") == NULL) {
3831 patch_info->type = MONO_PATCH_INFO_INTERNAL_METHOD;
3832 patch_info->data.name = info->name;
3836 if (patch_info->type == MONO_PATCH_INFO_ABS) {
3837 if (cfg->abs_patches) {
3838 MonoJumpInfo *abs_ji = g_hash_table_lookup (cfg->abs_patches, patch_info->data.target);
3840 patch_info->type = abs_ji->type;
3841 patch_info->data.target = abs_ji->data.target;
3848 case MONO_PATCH_INFO_SWITCH: {
3850 #if defined(__native_client__) && defined(__native_client_codegen__)
3851 /* This memory will leak. */
3852 /* TODO: can we free this when */
3853 /* making the final jump table? */
3854 table = g_malloc0 (sizeof(gpointer) * patch_info->data.table->table_size);
3856 if (cfg->method->dynamic) {
3857 table = mono_code_manager_reserve (cfg->dynamic_info->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
3859 table = mono_domain_code_reserve (cfg->domain, sizeof (gpointer) * patch_info->data.table->table_size);
3863 for (i = 0; i < patch_info->data.table->table_size; i++) {
3864 /* Might be NULL if the switch is eliminated */
3865 if (patch_info->data.table->table [i]) {
3866 g_assert (patch_info->data.table->table [i]->native_offset);
3867 table [i] = GINT_TO_POINTER (patch_info->data.table->table [i]->native_offset);
3872 patch_info->data.table->table = (MonoBasicBlock**)table;
3875 case MONO_PATCH_INFO_METHOD_JUMP: {
3876 MonoJumpList *jlist;
3877 MonoDomain *domain = cfg->domain;
3878 unsigned char *ip = cfg->native_code + patch_info->ip.i;
3879 #if defined(__native_client__) && defined(__native_client_codegen__)
3880 /* When this jump target gets evaluated, the method */
3881 /* will be installed in the dynamic code section, */
3882 /* not at the location of cfg->native_code. */
3883 ip = nacl_inverse_modify_patch_target (cfg->native_code) + patch_info->ip.i;
3886 mono_domain_lock (domain);
3887 jlist = g_hash_table_lookup (domain_jit_info (domain)->jump_target_hash, patch_info->data.method);
3889 jlist = mono_domain_alloc0 (domain, sizeof (MonoJumpList));
3890 g_hash_table_insert (domain_jit_info (domain)->jump_target_hash, patch_info->data.method, jlist);
3892 jlist->list = g_slist_prepend (jlist->list, ip);
3893 mono_domain_unlock (domain);
3904 collect_pred_seq_points (MonoBasicBlock *bb, MonoInst *ins, GSList **next, int depth)
3907 MonoBasicBlock *in_bb;
3910 for (i = 0; i < bb->in_count; ++i) {
3911 in_bb = bb->in_bb [i];
3913 if (in_bb->last_seq_point) {
3914 int src_index = in_bb->last_seq_point->backend.size;
3915 int dst_index = ins->backend.size;
3917 /* bb->in_bb might contain duplicates */
3918 for (l = next [src_index]; l; l = l->next)
3919 if (GPOINTER_TO_UINT (l->data) == dst_index)
3922 next [src_index] = g_slist_append (next [src_index], GUINT_TO_POINTER (dst_index));
3924 /* Have to look at its predecessors */
3926 collect_pred_seq_points (in_bb, ins, next, depth + 1);
3932 mono_save_seq_point_info (MonoCompile *cfg)
3935 GSList *bb_seq_points, *l;
3937 MonoDomain *domain = cfg->domain;
3939 MonoSeqPointInfo *info;
3942 if (!cfg->seq_points)
3945 info = g_malloc0 (sizeof (MonoSeqPointInfo) + (cfg->seq_points->len * sizeof (SeqPoint)));
3946 info->len = cfg->seq_points->len;
3947 for (i = 0; i < cfg->seq_points->len; ++i) {
3948 SeqPoint *sp = &info->seq_points [i];
3949 MonoInst *ins = g_ptr_array_index (cfg->seq_points, i);
3951 sp->il_offset = ins->inst_imm;
3952 sp->native_offset = ins->inst_offset;
3953 if (ins->flags & MONO_INST_NONEMPTY_STACK)
3954 sp->flags |= MONO_SEQ_POINT_FLAG_NONEMPTY_STACK;
3957 ins->backend.size = i;
3961 * For each sequence point, compute the list of sequence points immediately
3962 * following it, this is needed to implement 'step over' in the debugger agent.
3964 next = g_new0 (GSList*, cfg->seq_points->len);
3965 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3966 bb_seq_points = g_slist_reverse (bb->seq_points);
3968 for (l = bb_seq_points; l; l = l->next) {
3969 MonoInst *ins = l->data;
3971 if (ins->inst_imm == METHOD_ENTRY_IL_OFFSET || ins->inst_imm == METHOD_EXIT_IL_OFFSET)
3972 /* Used to implement method entry/exit events */
3974 if (ins->inst_offset == SEQ_POINT_NATIVE_OFFSET_DEAD_CODE)
3978 /* Link with the previous seq point in the same bb */
3979 next [last->backend.size] = g_slist_append (next [last->backend.size], GUINT_TO_POINTER (ins->backend.size));
3981 /* Link with the last bb in the previous bblocks */
3982 collect_pred_seq_points (bb, ins, next, 0);
3988 if (bb->last_ins && bb->last_ins->opcode == OP_ENDFINALLY && bb->seq_points) {
3989 MonoBasicBlock *bb2;
3990 MonoInst *endfinally_seq_point = NULL;
3993 * The ENDFINALLY branches are not represented in the cfg, so link it with all seq points starting bbs.
3995 l = g_slist_last (bb->seq_points);
3997 endfinally_seq_point = l->data;
3999 for (bb2 = cfg->bb_entry; bb2; bb2 = bb2->next_bb) {
4000 GSList *l = g_slist_last (bb2->seq_points);
4003 MonoInst *ins = l->data;
4005 if (!(ins->inst_imm == METHOD_ENTRY_IL_OFFSET || ins->inst_imm == METHOD_EXIT_IL_OFFSET) && ins != endfinally_seq_point)
4006 next [endfinally_seq_point->backend.size] = g_slist_append (next [endfinally_seq_point->backend.size], GUINT_TO_POINTER (ins->backend.size));
4013 if (cfg->verbose_level > 2) {
4014 printf ("\nSEQ POINT MAP: \n");
4017 for (i = 0; i < cfg->seq_points->len; ++i) {
4018 SeqPoint *sp = &info->seq_points [i];
4022 sp->next_len = g_slist_length (next [i]);
4023 sp->next = g_new (int, sp->next_len);
4025 if (cfg->verbose_level > 2 && next [i]) {
4026 printf ("\tIL0x%x ->", sp->il_offset);
4027 for (l = next [i]; l; l = l->next) {
4028 next_index = GPOINTER_TO_UINT (l->data);
4029 printf (" IL0x%x", info->seq_points [next_index].il_offset);
4033 for (l = next [i]; l; l = l->next) {
4034 next_index = GPOINTER_TO_UINT (l->data);
4035 sp->next [j ++] = next_index;
4037 g_slist_free (next [i]);
4041 cfg->seq_point_info = info;
4043 // FIXME: dynamic methods
4044 if (!cfg->compile_aot) {
4045 mono_domain_lock (domain);
4046 // FIXME: How can the lookup succeed ?
4047 if (!g_hash_table_lookup (domain_jit_info (domain)->seq_points, cfg->method_to_register))
4048 g_hash_table_insert (domain_jit_info (domain)->seq_points, cfg->method_to_register, info);
4049 mono_domain_unlock (domain);
4052 g_ptr_array_free (cfg->seq_points, TRUE);
4053 cfg->seq_points = NULL;
4057 mono_codegen (MonoCompile *cfg)
4060 int max_epilog_size;
4062 MonoDomain *code_domain;
4064 if (mono_using_xdebug)
4066 * Recent gdb versions have trouble processing symbol files containing
4067 * overlapping address ranges, so allocate all code from the code manager
4068 * of the root domain. (#666152).
4070 code_domain = mono_get_root_domain ();
4072 code_domain = cfg->domain;
4074 #if defined(__native_client_codegen__) && defined(__native_client__)
4077 /* This keeps patch targets from being transformed during
4078 * ordinary method compilation, for local branches and jumps.
4080 nacl_allow_target_modification (FALSE);
4083 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4084 cfg->spill_count = 0;
4085 /* we reuse dfn here */
4086 /* bb->dfn = bb_count++; */
4088 mono_arch_lowering_pass (cfg, bb);
4090 if (cfg->opt & MONO_OPT_PEEPHOLE)
4091 mono_arch_peephole_pass_1 (cfg, bb);
4094 mono_local_regalloc (cfg, bb);
4096 if (cfg->opt & MONO_OPT_PEEPHOLE)
4097 mono_arch_peephole_pass_2 (cfg, bb);
4100 if (cfg->prof_options & MONO_PROFILE_COVERAGE)
4101 cfg->coverage_info = mono_profiler_coverage_alloc (cfg->method, cfg->num_bblocks);
4103 code = mono_arch_emit_prolog (cfg);
4105 cfg->code_len = code - cfg->native_code;
4106 cfg->prolog_end = cfg->code_len;
4108 mono_debug_open_method (cfg);
4110 /* emit code all basic blocks */
4111 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4112 bb->native_offset = cfg->code_len;
4113 bb->real_native_offset = cfg->code_len;
4114 //if ((bb == cfg->bb_entry) || !(bb->region == -1 && !bb->dfn))
4115 mono_arch_output_basic_block (cfg, bb);
4116 bb->native_length = cfg->code_len - bb->native_offset;
4118 if (bb == cfg->bb_exit) {
4119 cfg->epilog_begin = cfg->code_len;
4120 mono_arch_emit_epilog (cfg);
4124 #ifdef __native_client_codegen__
4125 mono_nacl_fix_patches (cfg->native_code, cfg->patch_info);
4127 mono_arch_emit_exceptions (cfg);
4129 max_epilog_size = 0;
4131 /* we always allocate code in cfg->domain->code_mp to increase locality */
4132 cfg->code_size = cfg->code_len + max_epilog_size;
4133 #ifdef __native_client_codegen__
4134 cfg->code_size = NACL_BUNDLE_ALIGN_UP (cfg->code_size);
4136 /* fixme: align to MONO_ARCH_CODE_ALIGNMENT */
4138 if (cfg->method->dynamic) {
4139 guint unwindlen = 0;
4140 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
4141 unwindlen = mono_arch_unwindinfo_get_size (cfg->arch.unwindinfo);
4143 /* Allocate the code into a separate memory pool so it can be freed */
4144 cfg->dynamic_info = g_new0 (MonoJitDynamicMethodInfo, 1);
4145 cfg->dynamic_info->code_mp = mono_code_manager_new_dynamic ();
4146 mono_domain_lock (cfg->domain);
4147 mono_dynamic_code_hash_insert (cfg->domain, cfg->method, cfg->dynamic_info);
4148 mono_domain_unlock (cfg->domain);
4150 if (mono_using_xdebug)
4151 /* See the comment for cfg->code_domain */
4152 code = mono_domain_code_reserve (code_domain, cfg->code_size + unwindlen);
4154 code = mono_code_manager_reserve (cfg->dynamic_info->code_mp, cfg->code_size + unwindlen);
4156 guint unwindlen = 0;
4157 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
4158 unwindlen = mono_arch_unwindinfo_get_size (cfg->arch.unwindinfo);
4160 code = mono_domain_code_reserve (code_domain, cfg->code_size + unwindlen);
4162 #if defined(__native_client_codegen__) && defined(__native_client__)
4163 nacl_allow_target_modification (TRUE);
4167 memcpy (code, cfg->native_code, cfg->code_len);
4168 #if defined(__default_codegen__)
4169 g_free (cfg->native_code);
4170 #elif defined(__native_client_codegen__)
4171 if (cfg->native_code_alloc) {
4172 g_free (cfg->native_code_alloc);
4173 cfg->native_code_alloc = 0;
4175 else if (cfg->native_code) {
4176 g_free (cfg->native_code);
4178 #endif /* __native_client_codegen__ */
4179 cfg->native_code = code;
4180 code = cfg->native_code + cfg->code_len;
4182 /* g_assert (((int)cfg->native_code & (MONO_ARCH_CODE_ALIGNMENT - 1)) == 0); */
4183 mono_postprocess_patches (cfg);
4185 #ifdef VALGRIND_JIT_REGISTER_MAP
4186 if (valgrind_register){
4187 char* nm = mono_method_full_name (cfg->method, TRUE);
4188 VALGRIND_JIT_REGISTER_MAP (nm, cfg->native_code, cfg->native_code + cfg->code_len);
4193 if (cfg->verbose_level > 0) {
4194 char* nm = mono_method_full_name (cfg->method, TRUE);
4195 g_print ("Method %s emitted at %p to %p (code length %d) [%s]\n",
4197 cfg->native_code, cfg->native_code + cfg->code_len, cfg->code_len, cfg->domain->friendly_name);
4202 gboolean is_generic = FALSE;
4204 if (cfg->method->is_inflated || mono_method_get_generic_container (cfg->method) ||
4205 cfg->method->klass->generic_container || cfg->method->klass->generic_class) {
4209 if (cfg->generic_sharing_context)
4210 g_assert (is_generic);
4213 #ifdef MONO_ARCH_HAVE_SAVE_UNWIND_INFO
4214 mono_arch_save_unwind_info (cfg);
4217 #if defined(__native_client_codegen__) && defined(__native_client__)
4218 if (!cfg->compile_aot) {
4219 if (cfg->method->dynamic) {
4220 code_dest = nacl_code_manager_get_code_dest(cfg->dynamic_info->code_mp, cfg->native_code);
4222 code_dest = nacl_domain_get_code_dest(cfg->domain, cfg->native_code);
4227 #if defined(__native_client_codegen__)
4228 mono_nacl_fix_patches (cfg->native_code, cfg->patch_info);
4231 mono_arch_patch_code (cfg->method, cfg->domain, cfg->native_code, cfg->patch_info, cfg->dynamic_info ? cfg->dynamic_info->code_mp : NULL, cfg->run_cctors);
4233 if (cfg->method->dynamic) {
4234 if (mono_using_xdebug)
4235 mono_domain_code_commit (code_domain, cfg->native_code, cfg->code_size, cfg->code_len);
4237 mono_code_manager_commit (cfg->dynamic_info->code_mp, cfg->native_code, cfg->code_size, cfg->code_len);
4239 mono_domain_code_commit (code_domain, cfg->native_code, cfg->code_size, cfg->code_len);
4241 #if defined(__native_client_codegen__) && defined(__native_client__)
4242 cfg->native_code = code_dest;
4244 mono_profiler_code_buffer_new (cfg->native_code, cfg->code_len, MONO_PROFILER_CODE_BUFFER_METHOD, cfg->method);
4246 mono_arch_flush_icache (cfg->native_code, cfg->code_len);
4248 mono_debug_close_method (cfg);
4250 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
4251 mono_arch_unwindinfo_install_unwind_info (&cfg->arch.unwindinfo, cfg->native_code, cfg->code_len);
4256 compute_reachable (MonoBasicBlock *bb)
4260 if (!(bb->flags & BB_VISITED)) {
4261 bb->flags |= BB_VISITED;
4262 for (i = 0; i < bb->out_count; ++i)
4263 compute_reachable (bb->out_bb [i]);
4268 mono_handle_out_of_line_bblock (MonoCompile *cfg)
4271 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4272 if (bb->next_bb && bb->next_bb->out_of_line && bb->last_ins && !MONO_IS_BRANCH_OP (bb->last_ins)) {
4274 MONO_INST_NEW (cfg, ins, OP_BR);
4275 MONO_ADD_INS (bb, ins);
4276 ins->inst_target_bb = bb->next_bb;
4281 #endif /* #ifndef DISABLE_JIT */
4284 create_jit_info_for_trampoline (MonoMethod *wrapper, MonoTrampInfo *info)
4286 MonoDomain *domain = mono_get_root_domain ();
4291 if (info->uw_info) {
4292 uw_info = info->uw_info;
4293 info_len = info->uw_info_len;
4295 uw_info = mono_unwind_ops_encode (info->unwind_ops, &info_len);
4298 jinfo = mono_domain_alloc0 (domain, MONO_SIZEOF_JIT_INFO);
4299 jinfo->d.method = wrapper;
4300 jinfo->code_start = info->code;
4301 jinfo->code_size = info->code_size;
4302 jinfo->used_regs = mono_cache_unwind_info (uw_info, info_len);
4313 create_jit_info (MonoCompile *cfg, MonoMethod *method_to_compile)
4316 MonoMethodHeader *header;
4319 int generic_info_size, arch_eh_info_size = 0;
4320 int holes_size = 0, num_holes = 0, cas_size = 0;
4321 guint32 stack_size = 0;
4323 g_assert (method_to_compile == cfg->method);
4324 header = cfg->header;
4326 if (cfg->generic_sharing_context)
4327 generic_info_size = sizeof (MonoGenericJitInfo);
4329 generic_info_size = 0;
4331 if (cfg->arch_eh_jit_info) {
4332 MonoJitArgumentInfo *arg_info;
4333 MonoMethodSignature *sig = mono_method_signature (cfg->method_to_register);
4336 * This cannot be computed during stack walking, as
4337 * mono_arch_get_argument_info () is not signal safe.
4339 arg_info = g_newa (MonoJitArgumentInfo, sig->param_count + 1);
4340 stack_size = mono_arch_get_argument_info (cfg->generic_sharing_context, sig, sig->param_count, arg_info);
4343 arch_eh_info_size = sizeof (MonoArchEHJitInfo);
4346 if (cfg->try_block_holes) {
4347 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
4348 TryBlockHole *hole = tmp->data;
4349 MonoExceptionClause *ec = hole->clause;
4350 int hole_end = hole->basic_block->native_offset + hole->basic_block->native_length;
4351 MonoBasicBlock *clause_last_bb = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
4352 g_assert (clause_last_bb);
4354 /* Holes at the end of a try region can be represented by simply reducing the size of the block itself.*/
4355 if (clause_last_bb->native_offset != hole_end)
4359 holes_size = sizeof (MonoTryBlockHoleTableJitInfo) + num_holes * sizeof (MonoTryBlockHoleJitInfo);
4360 if (G_UNLIKELY (cfg->verbose_level >= 4))
4361 printf ("Number of try block holes %d\n", num_holes);
4364 if (mono_security_method_has_declsec (cfg->method_to_register)) {
4365 cas_size = sizeof (MonoMethodCasInfo);
4368 if (COMPILE_LLVM (cfg))
4369 num_clauses = cfg->llvm_ex_info_len;
4371 num_clauses = header->num_clauses;
4373 if (cfg->method->dynamic) {
4374 jinfo = g_malloc0 (MONO_SIZEOF_JIT_INFO + (num_clauses * sizeof (MonoJitExceptionInfo)) +
4375 generic_info_size + holes_size + arch_eh_info_size + cas_size);
4377 jinfo = mono_domain_alloc0 (cfg->domain, MONO_SIZEOF_JIT_INFO +
4378 (num_clauses * sizeof (MonoJitExceptionInfo)) +
4379 generic_info_size + holes_size + arch_eh_info_size + cas_size);
4382 jinfo->d.method = cfg->method_to_register;
4383 jinfo->code_start = cfg->native_code;
4384 jinfo->code_size = cfg->code_len;
4385 jinfo->used_regs = cfg->used_int_regs;
4386 jinfo->domain_neutral = (cfg->opt & MONO_OPT_SHARED) != 0;
4387 jinfo->num_clauses = num_clauses;
4389 if (COMPILE_LLVM (cfg))
4390 jinfo->from_llvm = TRUE;
4392 if (cfg->generic_sharing_context) {
4394 MonoGenericJitInfo *gi;
4395 GSList *loclist = NULL;
4397 jinfo->has_generic_jit_info = 1;
4399 gi = mono_jit_info_get_generic_jit_info (jinfo);
4402 if (cfg->method->dynamic)
4403 gi->generic_sharing_context = g_new0 (MonoGenericSharingContext, 1);
4405 gi->generic_sharing_context = mono_domain_alloc0 (cfg->domain, sizeof (MonoGenericSharingContext));
4406 mini_init_gsctx (cfg->method->dynamic ? NULL : cfg->domain, NULL, cfg->gsctx_context, gi->generic_sharing_context);
4408 if ((method_to_compile->flags & METHOD_ATTRIBUTE_STATIC) ||
4409 mini_method_get_context (method_to_compile)->method_inst ||
4410 method_to_compile->klass->valuetype) {
4411 g_assert (cfg->rgctx_var);
4416 if ((method_to_compile->flags & METHOD_ATTRIBUTE_STATIC) ||
4417 mini_method_get_context (method_to_compile)->method_inst ||
4418 method_to_compile->klass->valuetype) {
4419 inst = cfg->rgctx_var;
4420 if (!COMPILE_LLVM (cfg))
4421 g_assert (inst->opcode == OP_REGOFFSET);
4422 loclist = cfg->rgctx_loclist;
4424 inst = cfg->args [0];
4425 loclist = cfg->this_loclist;
4429 /* Needed to handle async exceptions */
4433 gi->nlocs = g_slist_length (loclist);
4434 if (cfg->method->dynamic)
4435 gi->locations = g_malloc0 (gi->nlocs * sizeof (MonoDwarfLocListEntry));
4437 gi->locations = mono_domain_alloc0 (cfg->domain, gi->nlocs * sizeof (MonoDwarfLocListEntry));
4439 for (l = loclist; l; l = l->next) {
4440 memcpy (&(gi->locations [i]), l->data, sizeof (MonoDwarfLocListEntry));
4445 if (COMPILE_LLVM (cfg)) {
4446 g_assert (cfg->llvm_this_reg != -1);
4447 gi->this_in_reg = 0;
4448 gi->this_reg = cfg->llvm_this_reg;
4449 gi->this_offset = cfg->llvm_this_offset;
4450 } else if (inst->opcode == OP_REGVAR) {
4451 gi->this_in_reg = 1;
4452 gi->this_reg = inst->dreg;
4454 g_assert (inst->opcode == OP_REGOFFSET);
4456 g_assert (inst->inst_basereg == X86_EBP);
4457 #elif defined(TARGET_AMD64)
4458 g_assert (inst->inst_basereg == X86_EBP || inst->inst_basereg == X86_ESP);
4460 g_assert (inst->inst_offset >= G_MININT32 && inst->inst_offset <= G_MAXINT32);
4462 gi->this_in_reg = 0;
4463 gi->this_reg = inst->inst_basereg;
4464 gi->this_offset = inst->inst_offset;
4469 MonoTryBlockHoleTableJitInfo *table;
4472 jinfo->has_try_block_holes = 1;
4473 table = mono_jit_info_get_try_block_hole_table_info (jinfo);
4474 table->num_holes = (guint16)num_holes;
4476 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
4477 guint32 start_bb_offset;
4478 MonoTryBlockHoleJitInfo *hole;
4479 TryBlockHole *hole_data = tmp->data;
4480 MonoExceptionClause *ec = hole_data->clause;
4481 int hole_end = hole_data->basic_block->native_offset + hole_data->basic_block->native_length;
4482 MonoBasicBlock *clause_last_bb = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
4483 g_assert (clause_last_bb);
4485 /* Holes at the end of a try region can be represented by simply reducing the size of the block itself.*/
4486 if (clause_last_bb->native_offset == hole_end)
4489 start_bb_offset = hole_data->start_offset - hole_data->basic_block->native_offset;
4490 hole = &table->holes [i++];
4491 hole->clause = hole_data->clause - &header->clauses [0];
4492 hole->offset = (guint32)hole_data->start_offset;
4493 hole->length = (guint16)(hole_data->basic_block->native_length - start_bb_offset);
4495 if (G_UNLIKELY (cfg->verbose_level >= 4))
4496 printf ("\tTry block hole at eh clause %d offset %x length %x\n", hole->clause, hole->offset, hole->length);
4498 g_assert (i == num_holes);
4501 if (arch_eh_info_size) {
4502 MonoArchEHJitInfo *info;
4504 jinfo->has_arch_eh_info = 1;
4505 info = mono_jit_info_get_arch_eh_info (jinfo);
4507 info->stack_size = stack_size;
4511 jinfo->has_cas_info = 1;
4514 if (COMPILE_LLVM (cfg)) {
4516 memcpy (&jinfo->clauses [0], &cfg->llvm_ex_info [0], num_clauses * sizeof (MonoJitExceptionInfo));
4517 } else if (header->num_clauses) {
4520 for (i = 0; i < header->num_clauses; i++) {
4521 MonoExceptionClause *ec = &header->clauses [i];
4522 MonoJitExceptionInfo *ei = &jinfo->clauses [i];
4523 MonoBasicBlock *tblock;
4524 MonoInst *exvar, *spvar;
4526 ei->flags = ec->flags;
4529 * The spvars are needed by mono_arch_install_handler_block_guard ().
4531 if (ei->flags == MONO_EXCEPTION_CLAUSE_FINALLY) {
4534 region = ((i + 1) << 8) | MONO_REGION_FINALLY | ec->flags;
4535 spvar = mono_find_spvar_for_region (cfg, region);
4537 ei->exvar_offset = spvar->inst_offset;
4539 exvar = mono_find_exvar_for_offset (cfg, ec->handler_offset);
4540 ei->exvar_offset = exvar ? exvar->inst_offset : 0;
4543 if (ei->flags == MONO_EXCEPTION_CLAUSE_FILTER) {
4544 tblock = cfg->cil_offset_to_bb [ec->data.filter_offset];
4546 ei->data.filter = cfg->native_code + tblock->native_offset;
4548 ei->data.catch_class = ec->data.catch_class;
4551 tblock = cfg->cil_offset_to_bb [ec->try_offset];
4553 g_assert (tblock->native_offset);
4554 ei->try_start = cfg->native_code + tblock->native_offset;
4555 if (tblock->extend_try_block) {
4557 * Extend the try block backwards to include parts of the previous call
4560 ei->try_start = (guint8*)ei->try_start - MONO_ARCH_MONITOR_ENTER_ADJUSTMENT;
4562 tblock = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
4564 if (!tblock->native_offset) {
4566 for (j = ec->try_offset + ec->try_len, end = ec->try_offset; j >= end; --j) {
4567 MonoBasicBlock *bb = cfg->cil_offset_to_bb [j];
4568 if (bb && bb->native_offset) {
4574 ei->try_end = cfg->native_code + tblock->native_offset;
4575 g_assert (tblock->native_offset);
4576 tblock = cfg->cil_offset_to_bb [ec->handler_offset];
4578 ei->handler_start = cfg->native_code + tblock->native_offset;
4580 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
4581 TryBlockHole *hole = tmp->data;
4582 gpointer hole_end = cfg->native_code + (hole->basic_block->native_offset + hole->basic_block->native_length);
4583 if (hole->clause == ec && hole_end == ei->try_end) {
4584 if (G_UNLIKELY (cfg->verbose_level >= 4))
4585 printf ("\tShortening try block %d from %x to %x\n", i, (int)((guint8*)ei->try_end - cfg->native_code), hole->start_offset);
4587 ei->try_end = cfg->native_code + hole->start_offset;
4592 if (ec->flags == MONO_EXCEPTION_CLAUSE_FINALLY) {
4594 if (ec->handler_offset + ec->handler_len < header->code_size) {
4595 tblock = cfg->cil_offset_to_bb [ec->handler_offset + ec->handler_len];
4596 if (tblock->native_offset) {
4597 end_offset = tblock->native_offset;
4601 for (j = ec->handler_offset + ec->handler_len, end = ec->handler_offset; j >= end; --j) {
4602 MonoBasicBlock *bb = cfg->cil_offset_to_bb [j];
4603 if (bb && bb->native_offset) {
4608 end_offset = tblock->native_offset + tblock->native_length;
4611 end_offset = cfg->epilog_begin;
4613 ei->data.handler_end = cfg->native_code + end_offset;
4618 if (G_UNLIKELY (cfg->verbose_level >= 4)) {
4620 for (i = 0; i < jinfo->num_clauses; i++) {
4621 MonoJitExceptionInfo *ei = &jinfo->clauses [i];
4622 int start = (guint8*)ei->try_start - cfg->native_code;
4623 int end = (guint8*)ei->try_end - cfg->native_code;
4624 int handler = (guint8*)ei->handler_start - cfg->native_code;
4625 int handler_end = (guint8*)ei->data.handler_end - cfg->native_code;
4627 printf ("JitInfo EH clause %d flags %x try %x-%x handler %x-%x\n", i, ei->flags, start, end, handler, handler_end);
4632 * Its possible to generate dwarf unwind info for xdebug etc, but not actually
4633 * using it during runtime, hence the define.
4635 if (cfg->encoded_unwind_ops) {
4636 jinfo->used_regs = mono_cache_unwind_info (cfg->encoded_unwind_ops, cfg->encoded_unwind_ops_len);
4637 g_free (cfg->encoded_unwind_ops);
4638 } else if (cfg->unwind_ops) {
4640 guint8 *unwind_info = mono_unwind_ops_encode (cfg->unwind_ops, &info_len);
4641 guint32 unwind_desc;
4643 unwind_desc = mono_cache_unwind_info (unwind_info, info_len);
4645 if (cfg->has_unwind_info_for_epilog) {
4647 * The lower 16 bits identify the unwind descriptor, the upper 16 bits contain the offset of
4648 * the start of the epilog from the end of the method.
4650 g_assert (unwind_desc < 0xffff);
4651 g_assert (cfg->code_size - cfg->epilog_begin < 0xffff);
4652 jinfo->used_regs = ((cfg->code_size - cfg->epilog_begin) << 16) | unwind_desc;
4654 jinfo->used_regs = unwind_desc;
4656 g_free (unwind_info);
4664 get_gsharedvt_type (MonoType *t)
4666 MonoGenericParam *par = t->data.generic_param;
4667 MonoGenericParam *copy;
4669 MonoImage *image = NULL;
4672 * Create an anonymous gparam with a different serial so normal gshared and gsharedvt methods have
4673 * a different instantiation.
4675 g_assert (mono_generic_param_info (par));
4677 image = par->owner->image;
4679 mono_image_lock (image);
4680 if (!image->gsharedvt_types)
4681 image->gsharedvt_types = g_hash_table_new (NULL, NULL);
4682 res = g_hash_table_lookup (image->gsharedvt_types, par);
4683 mono_image_unlock (image);
4686 copy = mono_image_alloc0 (image, sizeof (MonoGenericParamFull));
4687 memcpy (copy, par, sizeof (MonoGenericParamFull));
4689 copy = g_memdup (par, sizeof (MonoGenericParamFull));
4693 copy->image = mono_defaults.corlib;
4695 res = mono_metadata_type_dup (NULL, t);
4696 res->data.generic_param = copy;
4699 mono_image_lock (image);
4700 /* Duplicates are ok */
4701 g_hash_table_insert (image->gsharedvt_types, par, res);
4702 mono_image_unlock (image);
4709 is_gsharedvt_type (MonoType *t)
4711 return (t->type == MONO_TYPE_VAR || t->type == MONO_TYPE_MVAR) && t->data.generic_param->serial == 1;
4714 /* Return whenever METHOD is a gsharedvt method */
4716 is_gsharedvt_method (MonoMethod *method)
4718 MonoGenericContext *context;
4719 MonoGenericInst *inst;
4722 if (!method->is_inflated)
4724 context = mono_method_get_context (method);
4725 inst = context->class_inst;
4727 for (i = 0; i < inst->type_argc; ++i)
4728 if (is_gsharedvt_type (inst->type_argv [i]))
4731 inst = context->method_inst;
4733 for (i = 0; i < inst->type_argc; ++i)
4734 if (is_gsharedvt_type (inst->type_argv [i]))
4741 is_open_method (MonoMethod *method)
4743 MonoGenericContext *context;
4745 if (!method->is_inflated)
4747 context = mono_method_get_context (method);
4748 if (context->class_inst && context->class_inst->is_open)
4750 if (context->method_inst && context->method_inst->is_open)
4755 static MonoGenericInst*
4756 get_shared_inst (MonoGenericInst *inst, MonoGenericInst *shared_inst, MonoGenericContainer *container, gboolean all_vt, gboolean gsharedvt)
4758 MonoGenericInst *res;
4759 MonoType **type_argv;
4762 type_argv = g_new0 (MonoType*, inst->type_argc);
4763 for (i = 0; i < inst->type_argc; ++i) {
4764 if (!all_vt && (MONO_TYPE_IS_REFERENCE (inst->type_argv [i]) || inst->type_argv [i]->type == MONO_TYPE_VAR || inst->type_argv [i]->type == MONO_TYPE_MVAR)) {
4765 type_argv [i] = shared_inst->type_argv [i];
4766 } else if (all_vt) {
4767 type_argv [i] = get_gsharedvt_type (shared_inst->type_argv [i]);
4768 } else if (gsharedvt) {
4769 type_argv [i] = get_gsharedvt_type (shared_inst->type_argv [i]);
4771 type_argv [i] = inst->type_argv [i];
4775 res = mono_metadata_get_generic_inst (inst->type_argc, type_argv);
4781 * mini_get_shared_method_full:
4783 * Return the method which is actually compiled/registered when doing generic sharing.
4784 * If ALL_VT is true, return the shared method belonging to an all-vtype instantiation.
4785 * If IS_GSHAREDVT is true, treat METHOD as a gsharedvt method even if it fails some constraints.
4786 * METHOD can be a non-inflated generic method.
4789 mini_get_shared_method_full (MonoMethod *method, gboolean all_vt, gboolean is_gsharedvt)
4791 MonoGenericContext shared_context;
4792 MonoMethod *declaring_method, *res;
4793 gboolean partial = FALSE;
4794 gboolean gsharedvt = FALSE;
4795 MonoGenericContainer *class_container, *method_container = NULL;
4797 if (method->is_generic || (method->klass->generic_container && !method->is_inflated)) {
4798 declaring_method = method;
4800 declaring_method = mono_method_get_declaring_generic_method (method);
4803 if (declaring_method->is_generic)
4804 shared_context = mono_method_get_generic_container (declaring_method)->context;
4806 shared_context = declaring_method->klass->generic_container->context;
4808 /* Handle gsharedvt/partial sharing */
4809 if ((method != declaring_method && method->is_inflated && !mono_method_is_generic_sharable_full (method, FALSE, FALSE, TRUE)) ||
4810 is_gsharedvt || mini_is_gsharedvt_sharable_method (method)) {
4811 MonoGenericContext *context = mono_method_get_context (method);
4812 MonoGenericInst *inst;
4814 partial = mono_method_is_generic_sharable_full (method, FALSE, TRUE, FALSE);
4816 gsharedvt = is_gsharedvt || (!partial && mini_is_gsharedvt_sharable_method (method));
4818 class_container = declaring_method->klass->generic_container;
4819 method_container = mono_method_get_generic_container (declaring_method);
4822 * Create the shared context by replacing the ref type arguments with
4823 * type parameters, and keeping the rest.
4826 inst = context->class_inst;
4828 inst = shared_context.class_inst;
4830 shared_context.class_inst = get_shared_inst (inst, shared_context.class_inst, class_container, all_vt, gsharedvt);
4833 inst = context->method_inst;
4835 inst = shared_context.method_inst;
4837 shared_context.method_inst = get_shared_inst (inst, shared_context.method_inst, method_container, all_vt, gsharedvt);
4842 res = mono_class_inflate_generic_method (declaring_method, &shared_context);
4844 /* The result should be an inflated method whose parent is not inflated */
4845 g_assert (!res->klass->is_inflated);
4851 mini_get_shared_method (MonoMethod *method)
4853 return mini_get_shared_method_full (method, FALSE, FALSE);
4857 mini_init_gsctx (MonoDomain *domain, MonoMemPool *mp, MonoGenericContext *context, MonoGenericSharingContext *gsctx)
4859 MonoGenericInst *inst;
4862 memset (gsctx, 0, sizeof (MonoGenericSharingContext));
4864 if (context && context->class_inst) {
4865 inst = context->class_inst;
4867 gsctx->var_is_vt = mono_domain_alloc0 (domain, sizeof (gboolean) * inst->type_argc);
4869 gsctx->var_is_vt = mono_mempool_alloc0 (mp, sizeof (gboolean) * inst->type_argc);
4871 gsctx->var_is_vt = g_new0 (gboolean, inst->type_argc);
4873 for (i = 0; i < inst->type_argc; ++i) {
4874 MonoType *type = inst->type_argv [i];
4876 if ((type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR) && type->data.generic_param->serial == 1)
4877 gsctx->var_is_vt [i] = TRUE;
4880 if (context && context->method_inst) {
4881 inst = context->method_inst;
4883 gsctx->mvar_is_vt = mono_domain_alloc0 (domain, sizeof (gboolean) * inst->type_argc);
4885 gsctx->mvar_is_vt = mono_mempool_alloc0 (mp, sizeof (gboolean) * inst->type_argc);
4887 gsctx->mvar_is_vt = g_new0 (gboolean, inst->type_argc);
4889 for (i = 0; i < inst->type_argc; ++i) {
4890 MonoType *type = inst->type_argv [i];
4892 if ((type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR) && type->data.generic_param->serial == 1)
4893 gsctx->mvar_is_vt [i] = TRUE;
4900 * mini_method_compile:
4901 * @method: the method to compile
4902 * @opts: the optimization flags to use
4903 * @domain: the domain where the method will be compiled in
4904 * @flags: compilation flags
4905 * @parts: debug flag
4907 * Returns: a MonoCompile* pointer. Caller must check the exception_type
4908 * field in the returned struct to see if compilation succeded.
4911 mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, JitFlags flags, int parts)
4913 MonoMethodHeader *header;
4914 MonoMethodSignature *sig;
4918 int dfn, i, code_size_ratio;
4920 gboolean deadce_has_run = FALSE;
4922 gboolean try_generic_shared, try_llvm = FALSE;
4923 MonoMethod *method_to_compile, *method_to_register;
4924 gboolean method_is_gshared = FALSE;
4925 gboolean run_cctors = (flags & JIT_FLAG_RUN_CCTORS) ? 1 : 0;
4926 gboolean compile_aot = (flags & JIT_FLAG_AOT) ? 1 : 0;
4927 gboolean full_aot = (flags & JIT_FLAG_FULL_AOT) ? 1 : 0;
4929 InterlockedIncrement (&mono_jit_stats.methods_compiled);
4930 if (mono_profiler_get_events () & MONO_PROFILE_JIT_COMPILATION)
4931 mono_profiler_method_jit (method);
4932 if (MONO_METHOD_COMPILE_BEGIN_ENABLED ())
4933 MONO_PROBE_METHOD_COMPILE_BEGIN (method);
4937 * We might get passed the original generic method definition or
4938 * instances with type parameters.
4939 * FIXME: Remove the method->klass->generic_class limitation.
4941 try_generic_shared = mono_class_generic_sharing_enabled (method->klass) &&
4942 (opts & MONO_OPT_GSHARED) && ((method->is_generic || method->klass->generic_container) || (!method->klass->generic_class && mono_method_is_generic_sharable_full (method, TRUE, FALSE, FALSE)));
4944 try_generic_shared = mono_class_generic_sharing_enabled (method->klass) &&
4945 (opts & MONO_OPT_GSHARED) && mono_method_is_generic_sharable (method, FALSE);
4947 if (opts & MONO_OPT_GSHARED) {
4948 if (try_generic_shared)
4949 mono_stats.generics_sharable_methods++;
4950 else if (mono_method_is_generic_impl (method))
4951 mono_stats.generics_unsharable_methods++;
4954 if (mini_is_gsharedvt_sharable_method (method)) {
4955 if (!mono_debug_count ())
4956 try_generic_shared = FALSE;
4958 try_generic_shared = FALSE;
4961 if (is_gsharedvt_method (method) || (compile_aot && is_open_method (method))) {
4962 /* We are AOTing a gshared method directly */
4963 method_is_gshared = TRUE;
4964 g_assert (compile_aot);
4965 try_generic_shared = TRUE;
4969 try_llvm = mono_use_llvm;
4973 if (method_is_gshared) {
4974 method_to_compile = method;
4976 if (try_generic_shared) {
4977 method_to_compile = mini_get_shared_method (method);
4978 g_assert (method_to_compile);
4980 method_to_compile = method;
4984 cfg = g_new0 (MonoCompile, 1);
4985 cfg->method = method_to_compile;
4986 cfg->header = mono_method_get_header (cfg->method);
4987 cfg->mempool = mono_mempool_new ();
4989 cfg->prof_options = mono_profiler_get_events ();
4990 cfg->run_cctors = run_cctors;
4991 cfg->domain = domain;
4992 cfg->verbose_level = mini_verbose;
4993 cfg->compile_aot = compile_aot;
4994 cfg->full_aot = full_aot;
4995 cfg->skip_visibility = method->skip_visibility;
4996 cfg->orig_method = method;
4997 cfg->gen_seq_points = debug_options.gen_seq_points;
4998 cfg->explicit_null_checks = debug_options.explicit_null_checks;
4999 cfg->soft_breakpoints = debug_options.soft_breakpoints;
5000 cfg->check_pinvoke_callconv = debug_options.check_pinvoke_callconv;
5001 if (try_generic_shared)
5002 cfg->generic_sharing_context = (MonoGenericSharingContext*)&cfg->gsctx;
5003 cfg->compile_llvm = try_llvm;
5004 cfg->token_info_hash = g_hash_table_new (NULL, NULL);
5006 if (cfg->gen_seq_points)
5007 cfg->seq_points = g_ptr_array_new ();
5009 if (cfg->compile_aot && !try_generic_shared && (method->is_generic || method->klass->generic_container || method_is_gshared)) {
5010 cfg->exception_type = MONO_EXCEPTION_GENERIC_SHARING_FAILED;
5014 if (cfg->generic_sharing_context && (mini_is_gsharedvt_sharable_method (method) || method_is_gshared)) {
5015 MonoMethodInflated *inflated;
5016 MonoGenericContext *context;
5018 if (method_is_gshared) {
5019 g_assert (method->is_inflated);
5020 inflated = (MonoMethodInflated*)method;
5021 context = &inflated->context;
5023 /* We are compiling a gsharedvt method directly */
5024 g_assert (compile_aot);
5026 g_assert (method_to_compile->is_inflated);
5027 inflated = (MonoMethodInflated*)method_to_compile;
5028 context = &inflated->context;
5031 mini_init_gsctx (NULL, cfg->mempool, context, &cfg->gsctx);
5032 cfg->gsctx_context = context;
5034 cfg->gsharedvt = TRUE;
5036 cfg->disable_llvm = TRUE;
5039 if (cfg->generic_sharing_context) {
5040 method_to_register = method_to_compile;
5042 g_assert (method == method_to_compile);
5043 method_to_register = method;
5045 cfg->method_to_register = method_to_register;
5047 mono_error_init (&err);
5048 sig = mono_method_signature_checked (cfg->method, &err);
5050 cfg->exception_type = MONO_EXCEPTION_TYPE_LOAD;
5051 cfg->exception_message = g_strdup (mono_error_get_message (&err));
5052 mono_error_cleanup (&err);
5053 if (MONO_METHOD_COMPILE_END_ENABLED ())
5054 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
5058 header = cfg->header;
5060 MonoLoaderError *error;
5062 if ((error = mono_loader_get_last_error ())) {
5063 cfg->exception_type = error->exception_type;
5065 cfg->exception_type = MONO_EXCEPTION_INVALID_PROGRAM;
5066 cfg->exception_message = g_strdup_printf ("Missing or incorrect header for method %s", cfg->method->name);
5068 if (MONO_METHOD_COMPILE_END_ENABLED ())
5069 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
5075 static gboolean inited;
5082 * Check for methods which cannot be compiled by LLVM early, to avoid
5083 * the extra compilation pass.
5085 if (COMPILE_LLVM (cfg)) {
5086 mono_llvm_check_method_supported (cfg);
5087 if (cfg->disable_llvm) {
5088 if (cfg->verbose_level >= 1) {
5089 //nm = mono_method_full_name (cfg->method, TRUE);
5090 printf ("LLVM failed for '%s': %s\n", method->name, cfg->exception_message);
5093 mono_destroy_compile (cfg);
5095 goto restart_compile;
5101 /* The debugger has no liveness information, so avoid sharing registers/stack slots */
5102 if (debug_options.mdb_optimizations) {
5103 cfg->disable_reuse_registers = TRUE;
5104 cfg->disable_reuse_stack_slots = TRUE;
5106 * This decreases the change the debugger will read registers/stack slots which are
5107 * not yet initialized.
5109 cfg->disable_initlocals_opt = TRUE;
5111 cfg->extend_live_ranges = TRUE;
5113 /* Temporarily disable this when running in the debugger until we have support
5114 * for this in the debugger. */
5115 /* This is no longer needed with sdb */
5116 //cfg->disable_omit_fp = TRUE;
5118 /* The debugger needs all locals to be on the stack or in a global register */
5119 cfg->disable_vreg_to_lvreg = TRUE;
5121 /* Don't remove unused variables when running inside the debugger since the user
5122 * may still want to view them. */
5123 cfg->disable_deadce_vars = TRUE;
5125 // cfg->opt |= MONO_OPT_SHARED;
5126 cfg->opt &= ~MONO_OPT_DEADCE;
5127 cfg->opt &= ~MONO_OPT_INLINE;
5128 cfg->opt &= ~MONO_OPT_COPYPROP;
5129 cfg->opt &= ~MONO_OPT_CONSPROP;
5130 /* This is no longer needed with sdb */
5131 //cfg->opt &= ~MONO_OPT_GSHARED;
5133 /* This is needed for the soft debugger, which doesn't like code after the epilog */
5134 cfg->disable_out_of_line_bblocks = TRUE;
5137 if (mono_using_xdebug) {
5139 * Make each variable use its own register/stack slot and extend
5140 * their liveness to cover the whole method, making them displayable
5141 * in gdb even after they are dead.
5143 cfg->disable_reuse_registers = TRUE;
5144 cfg->disable_reuse_stack_slots = TRUE;
5145 cfg->extend_live_ranges = TRUE;
5146 cfg->compute_precise_live_ranges = TRUE;
5149 mini_gc_init_cfg (cfg);
5151 if (COMPILE_LLVM (cfg)) {
5152 cfg->opt |= MONO_OPT_ABCREM;
5155 if (g_getenv ("MONO_VERBOSE_METHOD")) {
5156 const char *name = g_getenv ("MONO_VERBOSE_METHOD");
5158 if ((strchr (name, '.') > name) || strchr (name, ':')) {
5159 MonoMethodDesc *desc;
5161 desc = mono_method_desc_new (name, TRUE);
5162 if (mono_method_desc_full_match (desc, cfg->method)) {
5163 cfg->verbose_level = 4;
5165 mono_method_desc_free (desc);
5167 if (strcmp (cfg->method->name, g_getenv ("MONO_VERBOSE_METHOD")) == 0)
5168 cfg->verbose_level = 4;
5172 ip = (guint8 *)header->code;
5174 cfg->intvars = mono_mempool_alloc0 (cfg->mempool, sizeof (guint16) * STACK_MAX * header->max_stack);
5176 if (cfg->verbose_level > 0) {
5179 method_name = mono_method_full_name (method, TRUE);
5180 g_print ("converting %s%s%smethod %s\n", COMPILE_LLVM (cfg) ? "llvm " : "", cfg->gsharedvt ? "gsharedvt " : "", (cfg->generic_sharing_context && !cfg->gsharedvt) ? "gshared " : "", method_name);
5182 if (COMPILE_LLVM (cfg))
5183 g_print ("converting llvm method %s\n", method_name = mono_method_full_name (method, TRUE));
5184 else if (cfg->gsharedvt)
5185 g_print ("converting gsharedvt method %s\n", method_name = mono_method_full_name (method_to_compile, TRUE));
5186 else if (cfg->generic_sharing_context)
5187 g_print ("converting shared method %s\n", method_name = mono_method_full_name (method_to_compile, TRUE));
5189 g_print ("converting method %s\n", method_name = mono_method_full_name (method, TRUE));
5191 g_free (method_name);
5194 if (cfg->opt & (MONO_OPT_ABCREM | MONO_OPT_SSAPRE))
5195 cfg->opt |= MONO_OPT_SSA;
5198 if ((cfg->method->klass->image != mono_defaults.corlib) || (strstr (cfg->method->klass->name, "StackOverflowException") && strstr (cfg->method->name, ".ctor")) || (strstr (cfg->method->klass->name, "OutOfMemoryException") && strstr (cfg->method->name, ".ctor")))
5199 cfg->globalra = TRUE;
5202 //cfg->globalra = TRUE;
5204 //if (!strcmp (cfg->method->klass->name, "Tests") && !cfg->method->wrapper_type)
5205 // cfg->globalra = TRUE;
5208 static int count = 0;
5212 if (g_getenv ("COUNT2")) {
5213 cfg->globalra = TRUE;
5214 if (count == atoi (g_getenv ("COUNT2")))
5215 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
5216 if (count > atoi (g_getenv ("COUNT2")))
5217 cfg->globalra = FALSE;
5222 if (header->clauses)
5223 cfg->globalra = FALSE;
5225 if (cfg->method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED)
5226 /* The code in the prolog clobbers caller saved registers */
5227 cfg->globalra = FALSE;
5229 // FIXME: Disable globalra in case of tracing/profiling
5231 if (cfg->method->save_lmf)
5232 /* The LMF saving code might clobber caller saved registers */
5233 cfg->globalra = FALSE;
5235 if (header->code_size > 5000)
5237 /* Too large bblocks could overflow the ins positions */
5238 cfg->globalra = FALSE;
5240 cfg->rs = mono_regstate_new ();
5242 cfg->rs->next_vreg = MONO_MAX_IREGS + MONO_MAX_FREGS;
5243 cfg->next_vreg = cfg->rs->next_vreg;
5245 /* FIXME: Fix SSA to handle branches inside bblocks */
5246 if (cfg->opt & MONO_OPT_SSA)
5247 cfg->enable_extended_bblocks = FALSE;
5250 * FIXME: This confuses liveness analysis because variables which are assigned after
5251 * a branch inside a bblock become part of the kill set, even though the assignment
5252 * might not get executed. This causes the optimize_initlocals pass to delete some
5253 * assignments which are needed.
5254 * Also, the mono_if_conversion pass needs to be modified to recognize the code
5257 //cfg->enable_extended_bblocks = TRUE;
5259 /*We must verify the method before doing any IR generation as mono_compile_create_vars can assert.*/
5260 if (mono_compile_is_broken (cfg, cfg->method, TRUE)) {
5261 if (mini_get_debug_options ()->break_on_unverified)
5267 * create MonoInst* which represents arguments and local variables
5269 mono_compile_create_vars (cfg);
5271 /* SSAPRE is not supported on linear IR */
5272 cfg->opt &= ~MONO_OPT_SSAPRE;
5274 i = mono_method_to_ir (cfg, method_to_compile, NULL, NULL, NULL, NULL, NULL, 0, FALSE);
5277 if (try_generic_shared && cfg->exception_type == MONO_EXCEPTION_GENERIC_SHARING_FAILED) {
5279 if (MONO_METHOD_COMPILE_END_ENABLED ())
5280 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
5283 mono_destroy_compile (cfg);
5284 try_generic_shared = FALSE;
5285 goto restart_compile;
5287 g_assert (cfg->exception_type != MONO_EXCEPTION_GENERIC_SHARING_FAILED);
5289 if (MONO_METHOD_COMPILE_END_ENABLED ())
5290 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
5291 /* cfg contains the details of the failure, so let the caller cleanup */
5295 cfg->stat_basic_blocks += cfg->num_bblocks;
5297 if (COMPILE_LLVM (cfg)) {
5300 /* The IR has to be in SSA form for LLVM */
5301 cfg->opt |= MONO_OPT_SSA;
5305 // Allow SSA on the result value
5306 cfg->ret->flags &= ~MONO_INST_VOLATILE;
5308 // Add an explicit return instruction referencing the return value
5309 MONO_INST_NEW (cfg, ins, OP_SETRET);
5310 ins->sreg1 = cfg->ret->dreg;
5312 MONO_ADD_INS (cfg->bb_exit, ins);
5315 cfg->opt &= ~MONO_OPT_LINEARS;
5318 cfg->opt &= ~MONO_OPT_BRANCH;
5321 /* todo: remove code when we have verified that the liveness for try/catch blocks
5325 * Currently, this can't be commented out since exception blocks are not
5326 * processed during liveness analysis.
5327 * It is also needed, because otherwise the local optimization passes would
5328 * delete assignments in cases like this:
5330 * <something which throws>
5332 * This also allows SSA to be run on methods containing exception clauses, since
5333 * SSA will ignore variables marked VOLATILE.
5335 mono_liveness_handle_exception_clauses (cfg);
5337 mono_handle_out_of_line_bblock (cfg);
5339 /*g_print ("numblocks = %d\n", cfg->num_bblocks);*/
5341 if (!COMPILE_LLVM (cfg))
5342 mono_decompose_long_opts (cfg);
5344 /* Should be done before branch opts */
5345 if (cfg->opt & (MONO_OPT_CONSPROP | MONO_OPT_COPYPROP))
5346 mono_local_cprop (cfg);
5348 if (cfg->opt & MONO_OPT_BRANCH)
5349 mono_optimize_branches (cfg);
5351 /* This must be done _before_ global reg alloc and _after_ decompose */
5352 mono_handle_global_vregs (cfg);
5353 if (cfg->opt & MONO_OPT_DEADCE)
5354 mono_local_deadce (cfg);
5355 if (cfg->opt & MONO_OPT_ALIAS_ANALYSIS)
5356 mono_local_alias_analysis (cfg);
5357 /* Disable this for LLVM to make the IR easier to handle */
5358 if (!COMPILE_LLVM (cfg))
5359 mono_if_conversion (cfg);
5361 if ((cfg->opt & MONO_OPT_SSAPRE) || cfg->globalra)
5362 mono_remove_critical_edges (cfg);
5364 /* Depth-first ordering on basic blocks */
5365 cfg->bblocks = mono_mempool_alloc (cfg->mempool, sizeof (MonoBasicBlock*) * (cfg->num_bblocks + 1));
5367 cfg->max_block_num = cfg->num_bblocks;
5370 df_visit (cfg->bb_entry, &dfn, cfg->bblocks);
5371 if (cfg->num_bblocks != dfn + 1) {
5374 cfg->num_bblocks = dfn + 1;
5376 /* remove unreachable code, because the code in them may be
5377 * inconsistent (access to dead variables for example) */
5378 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
5379 bb->flags &= ~BB_VISITED;
5380 compute_reachable (cfg->bb_entry);
5381 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
5382 if (bb->flags & BB_EXCEPTION_HANDLER)
5383 compute_reachable (bb);
5384 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
5385 if (!(bb->flags & BB_VISITED)) {
5386 if (cfg->verbose_level > 1)
5387 g_print ("found unreachable code in BB%d\n", bb->block_num);
5388 bb->code = bb->last_ins = NULL;
5389 while (bb->out_count)
5390 mono_unlink_bblock (cfg, bb, bb->out_bb [0]);
5393 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
5394 bb->flags &= ~BB_VISITED;
5397 if (((cfg->num_varinfo > 2000) || (cfg->num_bblocks > 1000)) && !cfg->compile_aot) {
5399 * we disable some optimizations if there are too many variables
5400 * because JIT time may become too expensive. The actual number needs
5401 * to be tweaked and eventually the non-linear algorithms should be fixed.
5403 cfg->opt &= ~ (MONO_OPT_LINEARS | MONO_OPT_COPYPROP | MONO_OPT_CONSPROP);
5404 cfg->disable_ssa = TRUE;
5407 if (cfg->opt & MONO_OPT_LOOP) {
5408 mono_compile_dominator_info (cfg, MONO_COMP_DOM | MONO_COMP_IDOM);
5409 mono_compute_natural_loops (cfg);
5412 /* after method_to_ir */
5414 if (MONO_METHOD_COMPILE_END_ENABLED ())
5415 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
5420 if (header->num_clauses)
5421 cfg->disable_ssa = TRUE;
5424 //#define DEBUGSSA "logic_run"
5425 #define DEBUGSSA_CLASS "Tests"
5428 if (!cfg->disable_ssa) {
5429 mono_local_cprop (cfg);
5432 mono_ssa_compute (cfg);
5436 if (cfg->opt & MONO_OPT_SSA) {
5437 if (!(cfg->comp_done & MONO_COMP_SSA) && !cfg->disable_ssa) {
5439 mono_ssa_compute (cfg);
5442 if (cfg->verbose_level >= 2) {
5449 /* after SSA translation */
5451 if (MONO_METHOD_COMPILE_END_ENABLED ())
5452 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
5456 if ((cfg->opt & MONO_OPT_CONSPROP) || (cfg->opt & MONO_OPT_COPYPROP)) {
5457 if (cfg->comp_done & MONO_COMP_SSA && !COMPILE_LLVM (cfg)) {
5459 mono_ssa_cprop (cfg);
5465 if (cfg->comp_done & MONO_COMP_SSA && !COMPILE_LLVM (cfg)) {
5466 //mono_ssa_strength_reduction (cfg);
5468 if (cfg->opt & MONO_OPT_SSAPRE) {
5469 mono_perform_ssapre (cfg);
5470 //mono_local_cprop (cfg);
5473 if (cfg->opt & MONO_OPT_DEADCE) {
5474 mono_ssa_deadce (cfg);
5475 deadce_has_run = TRUE;
5478 if ((cfg->flags & (MONO_CFG_HAS_LDELEMA|MONO_CFG_HAS_CHECK_THIS)) && (cfg->opt & MONO_OPT_ABCREM))
5479 mono_perform_abc_removal (cfg);
5481 mono_ssa_remove (cfg);
5482 mono_local_cprop (cfg);
5483 mono_handle_global_vregs (cfg);
5484 if (cfg->opt & MONO_OPT_DEADCE)
5485 mono_local_deadce (cfg);
5487 if (cfg->opt & MONO_OPT_BRANCH) {
5490 mono_optimize_branches (cfg);
5492 /* Have to recompute cfg->bblocks and bb->dfn */
5493 if (cfg->globalra) {
5494 mono_remove_critical_edges (cfg);
5496 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
5499 /* Depth-first ordering on basic blocks */
5500 cfg->bblocks = mono_mempool_alloc (cfg->mempool, sizeof (MonoBasicBlock*) * (cfg->num_bblocks + 1));
5503 df_visit (cfg->bb_entry, &dfn, cfg->bblocks);
5504 cfg->num_bblocks = dfn + 1;
5510 if (cfg->comp_done & MONO_COMP_SSA && COMPILE_LLVM (cfg)) {
5511 mono_ssa_loop_invariant_code_motion (cfg);
5512 /* This removes MONO_INST_FAULT flags too so perform it unconditionally */
5513 if (cfg->opt & MONO_OPT_ABCREM)
5514 mono_perform_abc_removal (cfg);
5517 /* after SSA removal */
5519 if (MONO_METHOD_COMPILE_END_ENABLED ())
5520 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
5524 #ifdef MONO_ARCH_SOFT_FLOAT_FALLBACK
5525 if (COMPILE_SOFT_FLOAT (cfg))
5526 mono_decompose_soft_float (cfg);
5528 if (COMPILE_LLVM (cfg))
5529 mono_decompose_vtype_opts_llvm (cfg);
5531 mono_decompose_vtype_opts (cfg);
5532 if (cfg->flags & MONO_CFG_HAS_ARRAY_ACCESS)
5533 mono_decompose_array_access_opts (cfg);
5536 #ifndef MONO_ARCH_GOT_REG
5541 g_assert (cfg->got_var_allocated);
5544 * Allways allocate the GOT var to a register, because keeping it
5545 * in memory will increase the number of live temporaries in some
5546 * code created by inssel.brg, leading to the well known spills+
5547 * branches problem. Testcase: mcs crash in
5548 * System.MonoCustomAttrs:GetCustomAttributes.
5550 #ifdef MONO_ARCH_GOT_REG
5551 got_reg = MONO_ARCH_GOT_REG;
5553 regs = mono_arch_get_global_int_regs (cfg);
5555 got_reg = GPOINTER_TO_INT (regs->data);
5558 cfg->got_var->opcode = OP_REGVAR;
5559 cfg->got_var->dreg = got_reg;
5560 cfg->used_int_regs |= 1LL << cfg->got_var->dreg;
5564 * Have to call this again to process variables added since the first call.
5566 mono_liveness_handle_exception_clauses (cfg);
5568 if (cfg->globalra) {
5571 /* Have to do this before regalloc since it can create vregs */
5572 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
5573 mono_arch_lowering_pass (cfg, bb);
5575 mono_global_regalloc (cfg);
5578 if ((cfg->opt & MONO_OPT_LINEARS) && !cfg->globalra) {
5579 GList *vars, *regs, *l;
5581 /* fixme: maybe we can avoid to compute livenesss here if already computed ? */
5582 cfg->comp_done &= ~MONO_COMP_LIVENESS;
5583 if (!(cfg->comp_done & MONO_COMP_LIVENESS))
5584 mono_analyze_liveness (cfg);
5586 if ((vars = mono_arch_get_allocatable_int_vars (cfg))) {
5587 regs = mono_arch_get_global_int_regs (cfg);
5588 /* Remove the reg reserved for holding the GOT address */
5590 for (l = regs; l; l = l->next) {
5591 if (GPOINTER_TO_UINT (l->data) == cfg->got_var->dreg) {
5592 regs = g_list_delete_link (regs, l);
5597 mono_linear_scan (cfg, vars, regs, &cfg->used_int_regs);
5601 //mono_print_code (cfg, "");
5605 /* variables are allocated after decompose, since decompose could create temps */
5606 if (!cfg->globalra && !COMPILE_LLVM (cfg)) {
5607 mono_arch_allocate_vars (cfg);
5608 if (cfg->exception_type)
5614 gboolean need_local_opts;
5616 if (!cfg->globalra && !COMPILE_LLVM (cfg)) {
5617 mono_spill_global_vars (cfg, &need_local_opts);
5619 if (need_local_opts || cfg->compile_aot) {
5620 /* To optimize code created by spill_global_vars */
5621 mono_local_cprop (cfg);
5622 if (cfg->opt & MONO_OPT_DEADCE)
5623 mono_local_deadce (cfg);
5627 /* Add branches between non-consecutive bblocks */
5628 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
5629 if (bb->last_ins && MONO_IS_COND_BRANCH_OP (bb->last_ins) &&
5630 bb->last_ins->inst_false_bb && bb->next_bb != bb->last_ins->inst_false_bb) {
5631 /* we are careful when inverting, since bugs like #59580
5632 * could show up when dealing with NaNs.
5634 if (MONO_IS_COND_BRANCH_NOFP(bb->last_ins) && bb->next_bb == bb->last_ins->inst_true_bb) {
5635 MonoBasicBlock *tmp = bb->last_ins->inst_true_bb;
5636 bb->last_ins->inst_true_bb = bb->last_ins->inst_false_bb;
5637 bb->last_ins->inst_false_bb = tmp;
5639 bb->last_ins->opcode = mono_reverse_branch_op (bb->last_ins->opcode);
5641 MonoInst *inst = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoInst));
5642 inst->opcode = OP_BR;
5643 inst->inst_target_bb = bb->last_ins->inst_false_bb;
5644 mono_bblock_add_inst (bb, inst);
5649 if (cfg->verbose_level >= 4 && !cfg->globalra) {
5650 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
5651 MonoInst *tree = bb->code;
5652 g_print ("DUMP BLOCK %d:\n", bb->block_num);
5655 for (; tree; tree = tree->next) {
5656 mono_print_ins_index (-1, tree);
5662 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
5663 bb->max_vreg = cfg->next_vreg;
5667 if (COMPILE_LLVM (cfg)) {
5671 /* The IR has to be in SSA form for LLVM */
5672 if (!(cfg->comp_done & MONO_COMP_SSA)) {
5673 cfg->exception_message = g_strdup ("SSA disabled.");
5674 cfg->disable_llvm = TRUE;
5677 if (cfg->flags & MONO_CFG_HAS_ARRAY_ACCESS)
5678 mono_decompose_array_access_opts (cfg);
5680 if (!cfg->disable_llvm)
5681 mono_llvm_emit_method (cfg);
5682 if (cfg->disable_llvm) {
5683 if (cfg->verbose_level >= 1) {
5684 //nm = mono_method_full_name (cfg->method, TRUE);
5685 printf ("LLVM failed for '%s': %s\n", method->name, cfg->exception_message);
5688 mono_destroy_compile (cfg);
5690 goto restart_compile;
5693 if (cfg->verbose_level > 0 && !cfg->compile_aot) {
5694 nm = mono_method_full_name (cfg->method, TRUE);
5695 g_print ("LLVM Method %s emitted at %p to %p (code length %d) [%s]\n",
5697 cfg->native_code, cfg->native_code + cfg->code_len, cfg->code_len, cfg->domain->friendly_name);
5705 if (COMPILE_LLVM (cfg))
5706 InterlockedIncrement (&mono_jit_stats.methods_with_llvm);
5708 InterlockedIncrement (&mono_jit_stats.methods_without_llvm);
5710 cfg->jit_info = create_jit_info (cfg, method_to_compile);
5712 #ifdef MONO_ARCH_HAVE_LIVERANGE_OPS
5713 if (cfg->extend_live_ranges) {
5714 /* Extend live ranges to cover the whole method */
5715 for (i = 0; i < cfg->num_varinfo; ++i)
5716 MONO_VARINFO (cfg, i)->live_range_end = cfg->code_len;
5720 if (!cfg->compile_aot)
5721 mono_save_xdebug_info (cfg);
5723 mini_gc_create_gc_map (cfg);
5725 mono_save_seq_point_info (cfg);
5727 if (cfg->verbose_level >= 2) {
5728 char *id = mono_method_full_name (cfg->method, FALSE);
5729 mono_disassemble_code (cfg, cfg->native_code, cfg->code_len, id + 3);
5733 if (!cfg->compile_aot) {
5734 mono_domain_lock (cfg->domain);
5735 mono_jit_info_table_add (cfg->domain, cfg->jit_info);
5737 if (cfg->method->dynamic)
5738 mono_dynamic_code_hash_lookup (cfg->domain, cfg->method)->ji = cfg->jit_info;
5739 mono_domain_unlock (cfg->domain);
5744 printf ("GSHAREDVT: %s\n", mono_method_full_name (cfg->method, TRUE));
5747 /* collect statistics */
5748 #ifndef DISABLE_PERFCOUNTERS
5749 mono_perfcounters->jit_methods++;
5750 mono_perfcounters->jit_bytes += header->code_size;
5752 mono_jit_stats.allocated_code_size += cfg->code_len;
5753 code_size_ratio = cfg->code_len;
5754 if (code_size_ratio > mono_jit_stats.biggest_method_size && mono_jit_stats.enabled) {
5755 mono_jit_stats.biggest_method_size = code_size_ratio;
5756 g_free (mono_jit_stats.biggest_method);
5757 mono_jit_stats.biggest_method = g_strdup_printf ("%s::%s)", method->klass->name, method->name);
5759 code_size_ratio = (code_size_ratio * 100) / header->code_size;
5760 if (code_size_ratio > mono_jit_stats.max_code_size_ratio && mono_jit_stats.enabled) {
5761 mono_jit_stats.max_code_size_ratio = code_size_ratio;
5762 g_free (mono_jit_stats.max_ratio_method);
5763 mono_jit_stats.max_ratio_method = g_strdup_printf ("%s::%s)", method->klass->name, method->name);
5765 mono_jit_stats.native_code_size += cfg->code_len;
5767 if (MONO_METHOD_COMPILE_END_ENABLED ())
5768 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
5776 mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, JitFlags flags, int parts)
5778 g_assert_not_reached ();
5782 #endif /* DISABLE_JIT */
5785 * LOCKING: Acquires the jit code hash lock.
5788 lookup_method_inner (MonoDomain *domain, MonoMethod *method, MonoMethod *shared)
5791 static gboolean inited = FALSE;
5792 static int lookups = 0;
5793 static int failed_lookups = 0;
5795 mono_domain_jit_code_hash_lock (domain);
5796 ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, method);
5797 if (!ji && shared) {
5798 /* Try generic sharing */
5799 ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, shared);
5800 if (ji && !ji->has_generic_jit_info)
5803 mono_counters_register ("Shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &lookups);
5804 mono_counters_register ("Failed shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &failed_lookups);
5812 mono_domain_jit_code_hash_unlock (domain);
5818 lookup_method (MonoDomain *domain, MonoMethod *method)
5823 ji = lookup_method_inner (domain, method, NULL);
5826 if (!mono_method_is_generic_sharable (method, FALSE))
5828 shared = mini_get_shared_method (method);
5829 ji = lookup_method_inner (domain, method, shared);
5836 static FILE* perf_map_file = NULL;
5839 mono_enable_jit_map (void)
5841 if (!perf_map_file) {
5843 g_snprintf (name, sizeof (name), "/tmp/perf-%d.map", getpid ());
5845 perf_map_file = fopen (name, "w");
5850 mono_emit_jit_tramp (void *start, int size, const char *desc)
5853 fprintf (perf_map_file, "%llx %x %s\n", (long long unsigned int)(gsize)start, size, desc);
5857 mono_emit_jit_map (MonoJitInfo *jinfo)
5859 if (perf_map_file) {
5860 char *name = mono_method_full_name (jinfo_get_method (jinfo), TRUE);
5861 mono_emit_jit_tramp (jinfo->code_start, jinfo->code_size, name);
5867 mono_jit_map_is_enabled (void)
5869 return perf_map_file != NULL;
5875 mono_jit_compile_method_inner (MonoMethod *method, MonoDomain *target_domain, int opt, MonoException **jit_ex)
5878 gpointer code = NULL;
5879 MonoJitInfo *jinfo, *info;
5881 MonoException *ex = NULL;
5882 guint32 prof_options;
5884 MonoMethod *prof_method, *shared;
5886 #ifdef MONO_USE_AOT_COMPILER
5887 if (opt & MONO_OPT_AOT) {
5888 MonoDomain *domain = mono_domain_get ();
5890 mono_class_init (method->klass);
5892 if ((code = mono_aot_get_method (domain, method))) {
5893 vtable = mono_class_vtable (domain, method->klass);
5895 mono_runtime_class_init (vtable);
5902 if ((method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) ||
5903 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL)) {
5905 MonoMethodPInvoke* piinfo = (MonoMethodPInvoke *) method;
5907 if (!piinfo->addr) {
5908 if (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL)
5909 piinfo->addr = mono_lookup_internal_call (method);
5910 else if (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)
5912 g_warning ("Method '%s' in assembly '%s' contains native code that cannot be executed by Mono in modules loaded from byte arrays. The assembly was probably created using C++/CLI.\n", mono_method_full_name (method, TRUE), method->klass->image->name);
5914 g_warning ("Method '%s' in assembly '%s' contains native code that cannot be executed by Mono on this platform. The assembly was probably created using C++/CLI.\n", mono_method_full_name (method, TRUE), method->klass->image->name);
5917 mono_lookup_pinvoke_call (method, NULL, NULL);
5919 nm = mono_marshal_get_native_wrapper (method, check_for_pending_exc, mono_aot_only);
5920 code = mono_get_addr_from_ftnptr (mono_compile_method (nm));
5921 jinfo = mono_jit_info_table_find (target_domain, code);
5923 jinfo = mono_jit_info_table_find (mono_domain_get (), code);
5925 mono_profiler_method_end_jit (method, jinfo, MONO_PROFILE_OK);
5927 } else if ((method->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
5928 const char *name = method->name;
5929 char *full_name, *msg;
5932 if (method->klass->parent == mono_defaults.multicastdelegate_class) {
5933 if (*name == '.' && (strcmp (name, ".ctor") == 0)) {
5934 MonoJitICallInfo *mi = mono_find_jit_icall_by_name ("mono_delegate_ctor");
5937 * We need to make sure this wrapper
5938 * is compiled because it might end up
5939 * in an (M)RGCTX if generic sharing
5940 * is enabled, and would be called
5941 * indirectly. If it were a
5942 * trampoline we'd try to patch that
5943 * indirect call, which is not
5946 return mono_get_addr_from_ftnptr ((gpointer)mono_icall_get_wrapper_full (mi, TRUE));
5947 } else if (*name == 'I' && (strcmp (name, "Invoke") == 0)) {
5948 #ifdef MONO_ARCH_HAVE_CREATE_DELEGATE_TRAMPOLINE
5949 return mono_create_delegate_trampoline (target_domain, method->klass);
5951 nm = mono_marshal_get_delegate_invoke (method, NULL);
5952 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
5954 } else if (*name == 'B' && (strcmp (name, "BeginInvoke") == 0)) {
5955 nm = mono_marshal_get_delegate_begin_invoke (method);
5956 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
5957 } else if (*name == 'E' && (strcmp (name, "EndInvoke") == 0)) {
5958 nm = mono_marshal_get_delegate_end_invoke (method);
5959 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
5963 full_name = mono_method_full_name (method, TRUE);
5964 msg = g_strdup_printf ("Unrecognizable runtime implemented method '%s'", full_name);
5965 *jit_ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "InvalidProgramException", msg);
5971 if (method->wrapper_type == MONO_WRAPPER_UNKNOWN) {
5972 WrapperInfo *info = mono_marshal_get_wrapper_info (method);
5974 if (info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_IN || info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_OUT) {
5975 static MonoTrampInfo *in_tinfo, *out_tinfo;
5976 MonoTrampInfo *tinfo;
5978 gboolean is_in = info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_IN;
5980 if (is_in && in_tinfo)
5981 return in_tinfo->code;
5982 else if (!is_in && out_tinfo)
5983 return out_tinfo->code;
5986 * This is a special wrapper whose body is implemented in assembly, like a trampoline. We use a wrapper so EH
5988 * FIXME: The caller signature doesn't match the callee, which might cause problems on some platforms
5991 mono_aot_get_trampoline_full (is_in ? "gsharedvt_trampoline" : "gsharedvt_out_trampoline", &tinfo);
5993 mono_arch_get_gsharedvt_trampoline (&tinfo, FALSE);
5994 jinfo = create_jit_info_for_trampoline (method, tinfo);
5995 mono_jit_info_table_add (mono_get_root_domain (), jinfo);
6004 if (mono_aot_only) {
6005 char *fullname = mono_method_full_name (method, TRUE);
6006 char *msg = g_strdup_printf ("Attempting to JIT compile method '%s' while running with --aot-only. See http://docs.xamarin.com/ios/about/limitations for more information.\n", fullname);
6008 *jit_ex = mono_get_exception_execution_engine (msg);
6015 jit_timer = g_timer_new ();
6017 cfg = mini_method_compile (method, opt, target_domain, JIT_FLAG_RUN_CCTORS, 0);
6018 prof_method = cfg->method;
6020 g_timer_stop (jit_timer);
6021 mono_jit_stats.jit_time += g_timer_elapsed (jit_timer, NULL);
6022 g_timer_destroy (jit_timer);
6024 switch (cfg->exception_type) {
6025 case MONO_EXCEPTION_NONE:
6027 case MONO_EXCEPTION_TYPE_LOAD:
6028 case MONO_EXCEPTION_MISSING_FIELD:
6029 case MONO_EXCEPTION_MISSING_METHOD:
6030 case MONO_EXCEPTION_FILE_NOT_FOUND:
6031 case MONO_EXCEPTION_BAD_IMAGE: {
6032 /* Throw a type load exception if needed */
6033 MonoLoaderError *error = mono_loader_get_last_error ();
6036 ex = mono_loader_error_prepare_exception (error);
6038 if (cfg->exception_ptr) {
6039 ex = mono_class_get_exception_for_failure (cfg->exception_ptr);
6041 if (cfg->exception_type == MONO_EXCEPTION_MISSING_FIELD)
6042 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingFieldException", cfg->exception_message);
6043 else if (cfg->exception_type == MONO_EXCEPTION_MISSING_METHOD)
6044 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingMethodException", cfg->exception_message);
6045 else if (cfg->exception_type == MONO_EXCEPTION_TYPE_LOAD)
6046 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "TypeLoadException", cfg->exception_message);
6047 else if (cfg->exception_type == MONO_EXCEPTION_FILE_NOT_FOUND)
6048 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "FileNotFoundException", cfg->exception_message);
6049 else if (cfg->exception_type == MONO_EXCEPTION_BAD_IMAGE)
6050 ex = mono_get_exception_bad_image_format (cfg->exception_message);
6052 g_assert_not_reached ();
6057 case MONO_EXCEPTION_INVALID_PROGRAM:
6058 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "InvalidProgramException", cfg->exception_message);
6060 case MONO_EXCEPTION_UNVERIFIABLE_IL:
6061 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System.Security", "VerificationException", cfg->exception_message);
6063 case MONO_EXCEPTION_METHOD_ACCESS:
6064 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MethodAccessException", cfg->exception_message);
6066 case MONO_EXCEPTION_FIELD_ACCESS:
6067 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "FieldAccessException", cfg->exception_message);
6069 #ifndef DISABLE_SECURITY
6070 /* this can only be set if the security manager is active */
6071 case MONO_EXCEPTION_SECURITY_LINKDEMAND: {
6072 MonoSecurityManager* secman = mono_security_manager_get_methods ();
6073 MonoObject *exc = NULL;
6076 args [0] = &cfg->exception_data;
6078 mono_runtime_invoke (secman->linkdemandsecurityexception, NULL, args, &exc);
6080 ex = (MonoException*)exc;
6084 case MONO_EXCEPTION_OBJECT_SUPPLIED: {
6085 MonoException *exp = cfg->exception_ptr;
6086 MONO_GC_UNREGISTER_ROOT (cfg->exception_ptr);
6091 case MONO_EXCEPTION_OUT_OF_MEMORY:
6092 ex = mono_domain_get ()->out_of_memory_ex;
6095 g_assert_not_reached ();
6099 if (cfg->prof_options & MONO_PROFILE_JIT_COMPILATION)
6100 mono_profiler_method_end_jit (method, NULL, MONO_PROFILE_FAILED);
6102 mono_destroy_compile (cfg);
6108 if (mono_method_is_generic_sharable (method, FALSE))
6109 shared = mini_get_shared_method (method);
6114 * FIXME: lookup_method_inner requires the loader lock.
6115 * FIXME: This is no longer true, can this be dropped ?
6117 mono_loader_lock ();
6118 mono_domain_lock (target_domain);
6120 /* Check if some other thread already did the job. In this case, we can
6121 discard the code this thread generated. */
6123 mono_domain_jit_code_hash_lock (target_domain);
6125 info = lookup_method_inner (target_domain, method, shared);
6127 /* We can't use a domain specific method in another domain */
6128 if ((target_domain == mono_domain_get ()) || info->domain_neutral) {
6129 code = info->code_start;
6130 // printf("Discarding code for method %s\n", method->name);
6135 mono_internal_hash_table_insert (&target_domain->jit_code_hash, cfg->jit_info->d.method, cfg->jit_info);
6136 mono_domain_jit_code_hash_unlock (target_domain);
6137 code = cfg->native_code;
6139 if (cfg->generic_sharing_context && mono_method_is_generic_sharable (method, FALSE))
6140 mono_stats.generics_shared_methods++;
6142 mono_stats.gsharedvt_methods++;
6144 mono_domain_jit_code_hash_unlock (target_domain);
6147 jinfo = cfg->jit_info;
6149 prof_options = cfg->prof_options;
6152 * Update global stats while holding a lock, instead of doing many
6153 * InterlockedIncrement operations during JITting.
6155 mono_jit_stats.allocate_var += cfg->stat_allocate_var;
6156 mono_jit_stats.locals_stack_size += cfg->stat_locals_stack_size;
6157 mono_jit_stats.basic_blocks += cfg->stat_basic_blocks;
6158 mono_jit_stats.max_basic_blocks = MAX (cfg->stat_basic_blocks, mono_jit_stats.max_basic_blocks);
6159 mono_jit_stats.cil_code_size += cfg->stat_cil_code_size;
6160 mono_jit_stats.regvars += cfg->stat_n_regvars;
6161 mono_jit_stats.inlineable_methods += cfg->stat_inlineable_methods;
6162 mono_jit_stats.inlined_methods += cfg->stat_inlined_methods;
6163 mono_jit_stats.cas_demand_generation += cfg->stat_cas_demand_generation;
6164 mono_jit_stats.code_reallocs += cfg->stat_code_reallocs;
6166 mono_destroy_compile (cfg);
6169 if (domain_jit_info (target_domain)->jump_target_hash) {
6170 MonoJumpInfo patch_info;
6171 MonoJumpList *jlist;
6173 jlist = g_hash_table_lookup (domain_jit_info (target_domain)->jump_target_hash, method);
6175 patch_info.next = NULL;
6176 patch_info.ip.i = 0;
6177 patch_info.type = MONO_PATCH_INFO_METHOD_JUMP;
6178 patch_info.data.method = method;
6179 g_hash_table_remove (domain_jit_info (target_domain)->jump_target_hash, method);
6181 #if defined(__native_client_codegen__) && defined(__native_client__)
6182 /* These patches are applied after a method has been installed, no target munging is needed. */
6183 nacl_allow_target_modification (FALSE);
6185 for (tmp = jlist->list; tmp; tmp = tmp->next)
6186 mono_arch_patch_code (NULL, target_domain, tmp->data, &patch_info, NULL, TRUE);
6187 #if defined(__native_client_codegen__) && defined(__native_client__)
6188 nacl_allow_target_modification (TRUE);
6193 mono_emit_jit_map (jinfo);
6195 mono_domain_unlock (target_domain);
6196 mono_loader_unlock ();
6198 vtable = mono_class_vtable (target_domain, method->klass);
6200 ex = mono_class_get_exception_for_failure (method->klass);
6206 if (prof_options & MONO_PROFILE_JIT_COMPILATION) {
6207 if (method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) {
6208 if (mono_marshal_method_from_wrapper (method)) {
6209 /* Native func wrappers have no method */
6210 /* The profiler doesn't know about wrappers, so pass the original icall method */
6211 mono_profiler_method_end_jit (mono_marshal_method_from_wrapper (method), jinfo, MONO_PROFILE_OK);
6214 mono_profiler_method_end_jit (method, jinfo, MONO_PROFILE_OK);
6215 if (prof_method != method) {
6216 mono_profiler_method_end_jit (prof_method, jinfo, MONO_PROFILE_OK);
6220 ex = mono_runtime_class_init_full (vtable, FALSE);
6229 mono_jit_compile_method_with_opt (MonoMethod *method, guint32 opt, MonoException **ex)
6231 MonoDomain *target_domain, *domain = mono_domain_get ();
6235 MonoJitICallInfo *callinfo = NULL;
6236 WrapperInfo *winfo = NULL;
6239 * ICALL wrappers are handled specially, since there is only one copy of them
6240 * shared by all appdomains.
6242 if (method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE)
6243 winfo = mono_marshal_get_wrapper_info (method);
6244 if (winfo && winfo->subtype == WRAPPER_SUBTYPE_ICALL_WRAPPER) {
6245 callinfo = mono_find_jit_icall_by_addr (winfo->d.icall.func);
6246 g_assert (callinfo);
6248 /* Must be domain neutral since there is only one copy */
6249 opt |= MONO_OPT_SHARED;
6252 if (method->dynamic)
6253 opt &= ~MONO_OPT_SHARED;
6255 /* These methods can become invalid when a domain is unloaded */
6256 if (method->klass->image != mono_get_corlib () || method->is_inflated)
6257 opt &= ~MONO_OPT_SHARED;
6259 if (opt & MONO_OPT_SHARED)
6260 target_domain = mono_get_root_domain ();
6262 target_domain = domain;
6264 if (method->wrapper_type == MONO_WRAPPER_UNKNOWN) {
6265 WrapperInfo *info = mono_marshal_get_wrapper_info (method);
6268 if (info->subtype == WRAPPER_SUBTYPE_SYNCHRONIZED_INNER) {
6269 MonoGenericContext *ctx = NULL;
6270 if (method->is_inflated)
6271 ctx = mono_method_get_context (method);
6272 method = info->d.synchronized_inner.method;
6274 method = mono_class_inflate_generic_method (method, ctx);
6278 info = lookup_method (target_domain, method);
6280 /* We can't use a domain specific method in another domain */
6281 if (! ((domain != target_domain) && !info->domain_neutral)) {
6283 MonoException *tmpEx;
6285 mono_jit_stats.methods_lookups++;
6286 vtable = mono_class_vtable (domain, method->klass);
6288 tmpEx = mono_runtime_class_init_full (vtable, ex == NULL);
6293 return mono_create_ftnptr (target_domain, info->code_start);
6297 code = mono_jit_compile_method_inner (method, target_domain, opt, ex);
6301 if (method->wrapper_type == MONO_WRAPPER_WRITE_BARRIER || method->wrapper_type == MONO_WRAPPER_ALLOC) {
6305 * SGEN requires the JIT info for these methods to be registered, see is_ip_in_managed_allocator ().
6307 ji = mini_jit_info_table_find (mono_domain_get (), code, &d);
6311 p = mono_create_ftnptr (target_domain, code);
6314 /*mono_register_jit_icall_wrapper takes the loader lock, so we take it on the outside. */
6315 mono_loader_lock ();
6317 if (!callinfo->wrapper) {
6318 callinfo->wrapper = p;
6319 mono_register_jit_icall_wrapper (callinfo, p);
6322 mono_loader_unlock ();
6329 mono_jit_compile_method (MonoMethod *method)
6331 MonoException *ex = NULL;
6334 code = mono_jit_compile_method_with_opt (method, mono_get_optimizations_for_method (method, default_opt), &ex);
6337 mono_raise_exception (ex);
6343 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
6345 invalidated_delegate_trampoline (char *desc)
6347 g_error ("Unmanaged code called delegate of type %s which was already garbage collected.\n"
6348 "See http://www.mono-project.com/Diagnostic:Delegate for an explanation and ways to fix this.",
6354 * mono_jit_free_method:
6356 * Free all memory allocated by the JIT for METHOD.
6359 mono_jit_free_method (MonoDomain *domain, MonoMethod *method)
6361 MonoJitDynamicMethodInfo *ji;
6362 gboolean destroy = TRUE;
6363 GHashTableIter iter;
6364 MonoJumpList *jlist;
6366 g_assert (method->dynamic);
6368 mono_domain_lock (domain);
6369 ji = mono_dynamic_code_hash_lookup (domain, method);
6370 mono_domain_unlock (domain);
6375 mono_debug_remove_method (method, domain);
6377 mono_domain_lock (domain);
6378 g_hash_table_remove (domain_jit_info (domain)->dynamic_code_hash, method);
6379 mono_internal_hash_table_remove (&domain->jit_code_hash, method);
6380 g_hash_table_remove (domain_jit_info (domain)->jump_trampoline_hash, method);
6381 g_hash_table_remove (domain_jit_info (domain)->runtime_invoke_hash, method);
6383 /* Remove jump targets in this method */
6384 g_hash_table_iter_init (&iter, domain_jit_info (domain)->jump_target_hash);
6385 while (g_hash_table_iter_next (&iter, NULL, (void**)&jlist)) {
6386 GSList *tmp, *remove;
6389 for (tmp = jlist->list; tmp; tmp = tmp->next) {
6390 guint8 *ip = tmp->data;
6392 if (ip >= (guint8*)ji->ji->code_start && ip < (guint8*)ji->ji->code_start + ji->ji->code_size)
6393 remove = g_slist_prepend (remove, tmp);
6395 for (tmp = remove; tmp; tmp = tmp->next) {
6396 jlist->list = g_slist_delete_link (jlist->list, tmp->data);
6398 g_slist_free (remove);
6401 mono_domain_unlock (domain);
6403 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
6404 if (debug_options.keep_delegates && method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED) {
6406 * Instead of freeing the code, change it to call an error routine
6407 * so people can fix their code.
6409 char *type = mono_type_full_name (&method->klass->byval_arg);
6410 char *type_and_method = g_strdup_printf ("%s.%s", type, method->name);
6413 mono_arch_invalidate_method (ji->ji, invalidated_delegate_trampoline, type_and_method);
6419 * This needs to be done before freeing code_mp, since the code address is the
6420 * key in the table, so if we free the code_mp first, another thread can grab the
6421 * same code address and replace our entry in the table.
6423 mono_jit_info_table_remove (domain, ji->ji);
6426 mono_code_manager_destroy (ji->code_mp);
6431 mono_jit_find_compiled_method_with_jit_info (MonoDomain *domain, MonoMethod *method, MonoJitInfo **ji)
6433 MonoDomain *target_domain;
6436 if (default_opt & MONO_OPT_SHARED)
6437 target_domain = mono_get_root_domain ();
6439 target_domain = domain;
6441 info = lookup_method (target_domain, method);
6443 /* We can't use a domain specific method in another domain */
6444 if (! ((domain != target_domain) && !info->domain_neutral)) {
6445 mono_jit_stats.methods_lookups++;
6448 return info->code_start;
6457 gboolean mono_do_single_method_regression = FALSE;
6458 guint32 mono_single_method_regression_opt = 0;
6459 MonoMethod *mono_current_single_method = NULL;
6460 GSList *mono_single_method_list = NULL;
6461 GHashTable *mono_single_method_hash = NULL;
6464 mono_get_optimizations_for_method (MonoMethod *method, guint32 default_opt)
6468 if (!mono_do_single_method_regression)
6470 if (!mono_current_single_method) {
6471 if (!mono_single_method_hash)
6472 mono_single_method_hash = g_hash_table_new (g_direct_hash, g_direct_equal);
6473 if (!g_hash_table_lookup (mono_single_method_hash, method)) {
6474 g_hash_table_insert (mono_single_method_hash, method, method);
6475 mono_single_method_list = g_slist_prepend (mono_single_method_list, method);
6479 if (method == mono_current_single_method)
6480 return mono_single_method_regression_opt;
6485 mono_jit_find_compiled_method (MonoDomain *domain, MonoMethod *method)
6487 return mono_jit_find_compiled_method_with_jit_info (domain, method, NULL);
6492 gpointer compiled_method;
6493 gpointer runtime_invoke;
6495 MonoDynCallInfo *dyn_call_info;
6496 MonoClass *ret_box_class;
6497 } RuntimeInvokeInfo;
6500 * mono_jit_runtime_invoke:
6501 * @method: the method to invoke
6502 * @obj: this pointer
6503 * @params: array of parameter values.
6504 * @exc: used to catch exceptions objects
6507 mono_jit_runtime_invoke (MonoMethod *method, void *obj, void **params, MonoObject **exc)
6509 MonoMethod *invoke, *callee;
6510 MonoObject *(*runtime_invoke) (MonoObject *this, void **params, MonoObject **exc, void* compiled_method);
6511 MonoDomain *domain = mono_domain_get ();
6512 MonoJitDomainInfo *domain_info;
6513 RuntimeInvokeInfo *info, *info2;
6515 if (obj == NULL && !(method->flags & METHOD_ATTRIBUTE_STATIC) && !method->string_ctor && (method->wrapper_type == 0)) {
6516 g_warning ("Ignoring invocation of an instance method on a NULL instance.\n");
6520 domain_info = domain_jit_info (domain);
6522 mono_domain_lock (domain);
6523 info = g_hash_table_lookup (domain_info->runtime_invoke_hash, method);
6524 mono_domain_unlock (domain);
6527 if (mono_security_core_clr_enabled ()) {
6529 * This might be redundant since mono_class_vtable () already does this,
6530 * but keep it just in case for moonlight.
6532 mono_class_setup_vtable (method->klass);
6533 if (method->klass->exception_type != MONO_EXCEPTION_NONE) {
6535 *exc = (MonoObject*)mono_class_get_exception_for_failure (method->klass);
6537 mono_raise_exception (mono_class_get_exception_for_failure (method->klass));
6542 info = g_new0 (RuntimeInvokeInfo, 1);
6544 invoke = mono_marshal_get_runtime_invoke (method, FALSE);
6545 info->vtable = mono_class_vtable_full (domain, method->klass, TRUE);
6546 g_assert (info->vtable);
6549 if (method->klass->rank && (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
6550 (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)) {
6552 * Array Get/Set/Address methods. The JIT implements them using inline code
6553 * inside the runtime invoke wrappers, so no need to compile them.
6555 if (mono_aot_only) {
6557 * Call a wrapper, since the runtime invoke wrapper was not generated.
6559 MonoMethod *wrapper;
6561 wrapper = mono_marshal_get_array_accessor_wrapper (method);
6562 invoke = mono_marshal_get_runtime_invoke (wrapper, FALSE);
6570 MonoException *jit_ex = NULL;
6572 info->compiled_method = mono_jit_compile_method_with_opt (callee, mono_get_optimizations_for_method (callee, default_opt), &jit_ex);
6573 if (!info->compiled_method) {
6577 *exc = (MonoObject*)jit_ex;
6580 mono_raise_exception (jit_ex);
6584 info->compiled_method = mini_add_method_trampoline (NULL, callee, info->compiled_method, mono_method_needs_static_rgctx_invoke (callee, FALSE), FALSE);
6586 info->compiled_method = NULL;
6590 * We want to avoid AOTing 1000s of runtime-invoke wrappers when running
6591 * in full-aot mode, so we use a slower, but more generic wrapper if
6592 * possible, built on top of the OP_DYN_CALL opcode provided by the JIT.
6594 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
6595 if (mono_aot_only || debug_options.dyn_runtime_invoke) {
6597 MonoMethodSignature *sig = mono_method_signature (method);
6598 gboolean supported = TRUE;
6601 if (method->string_ctor)
6602 sig = mono_marshal_get_string_ctor_signature (method);
6604 for (i = 0; i < sig->param_count; ++i) {
6605 MonoType *t = sig->params [i];
6607 if (t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t)))
6611 if (mono_class_is_contextbound (method->klass) || !info->compiled_method)
6615 info->dyn_call_info = mono_arch_dyn_call_prepare (sig);
6617 ret_type = sig->ret;
6618 if (info->dyn_call_info) {
6619 switch (ret_type->type) {
6620 case MONO_TYPE_VOID:
6632 case MONO_TYPE_BOOLEAN:
6633 case MONO_TYPE_CHAR:
6636 info->ret_box_class = mono_class_from_mono_type (ret_type);
6639 info->ret_box_class = mono_defaults.int_class;
6641 case MONO_TYPE_STRING:
6642 case MONO_TYPE_CLASS:
6643 case MONO_TYPE_ARRAY:
6644 case MONO_TYPE_SZARRAY:
6645 case MONO_TYPE_OBJECT:
6647 case MONO_TYPE_GENERICINST:
6648 if (!MONO_TYPE_IS_REFERENCE (ret_type))
6649 info->ret_box_class = mono_class_from_mono_type (ret_type);
6651 case MONO_TYPE_VALUETYPE:
6652 info->ret_box_class = mono_class_from_mono_type (ret_type);
6655 g_assert_not_reached ();
6662 if (!info->dyn_call_info)
6663 info->runtime_invoke = mono_jit_compile_method (invoke);
6665 mono_domain_lock (domain);
6666 info2 = g_hash_table_lookup (domain_info->runtime_invoke_hash, method);
6671 g_hash_table_insert (domain_info->runtime_invoke_hash, method, info);
6673 mono_domain_unlock (domain);
6676 runtime_invoke = info->runtime_invoke;
6679 * We need this here because mono_marshal_get_runtime_invoke can place
6680 * the helper method in System.Object and not the target class.
6683 *exc = (MonoObject*)mono_runtime_class_init_full (info->vtable, FALSE);
6687 mono_runtime_class_init (info->vtable);
6690 /* The wrappers expect this to be initialized to NULL */
6694 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
6695 if (info->dyn_call_info) {
6696 MonoMethodSignature *sig = mono_method_signature (method);
6698 static RuntimeInvokeDynamicFunction dyn_runtime_invoke;
6701 guint8 retval [128];
6703 if (!dyn_runtime_invoke) {
6704 invoke = mono_marshal_get_runtime_invoke_dynamic ();
6705 dyn_runtime_invoke = mono_jit_compile_method (invoke);
6708 /* Convert the arguments to the format expected by start_dyn_call () */
6709 args = g_alloca ((sig->param_count + sig->hasthis) * sizeof (gpointer));
6712 args [pindex ++] = &obj;
6713 for (i = 0; i < sig->param_count; ++i) {
6714 MonoType *t = sig->params [i];
6717 args [pindex ++] = ¶ms [i];
6718 } else if (MONO_TYPE_IS_REFERENCE (t) || t->type == MONO_TYPE_PTR) {
6719 args [pindex ++] = ¶ms [i];
6721 args [pindex ++] = params [i];
6725 //printf ("M: %s\n", mono_method_full_name (method, TRUE));
6727 mono_arch_start_dyn_call (info->dyn_call_info, (gpointer**)args, retval, buf, sizeof (buf));
6729 dyn_runtime_invoke (buf, exc, info->compiled_method);
6731 mono_arch_finish_dyn_call (info->dyn_call_info, buf);
6733 if (info->ret_box_class)
6734 return mono_value_box (domain, info->ret_box_class, retval);
6736 return *(MonoObject**)retval;
6740 return runtime_invoke (obj, params, exc, info->compiled_method);
6743 SIG_HANDLER_FUNC (, mono_sigfpe_signal_handler)
6745 MonoException *exc = NULL;
6747 #if !(defined(MONO_ARCH_USE_SIGACTION) || defined(HOST_WIN32))
6752 ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context (ctx));
6754 #if defined(MONO_ARCH_HAVE_IS_INT_OVERFLOW)
6755 if (mono_arch_is_int_overflow (ctx, info))
6757 * The spec says this throws ArithmeticException, but MS throws the derived
6758 * OverflowException.
6760 exc = mono_get_exception_overflow ();
6762 exc = mono_get_exception_divide_by_zero ();
6764 exc = mono_get_exception_divide_by_zero ();
6768 if (!mono_do_crash_chaining && mono_chain_signal (SIG_HANDLER_PARAMS))
6771 mono_handle_native_sigsegv (SIGSEGV, ctx);
6772 if (mono_do_crash_chaining)
6773 mono_chain_signal (SIG_HANDLER_PARAMS);
6776 mono_arch_handle_exception (ctx, exc);
6779 SIG_HANDLER_FUNC (, mono_sigill_signal_handler)
6784 exc = mono_get_exception_execution_engine ("SIGILL");
6786 mono_arch_handle_exception (ctx, exc);
6789 #if defined(MONO_ARCH_USE_SIGACTION) || defined(HOST_WIN32)
6790 #define HAVE_SIG_INFO
6793 SIG_HANDLER_FUNC (, mono_sigsegv_signal_handler)
6796 MonoJitTlsData *jit_tls = mono_native_tls_get_value (mono_jit_tls_id);
6797 gpointer fault_addr = NULL;
6801 #if defined(MONO_ARCH_SOFT_DEBUG_SUPPORTED) && defined(HAVE_SIG_INFO)
6802 if (mono_arch_is_single_step_event (info, ctx)) {
6803 mono_debugger_agent_single_step_event (ctx);
6805 } else if (mono_arch_is_breakpoint_event (info, ctx)) {
6806 mono_debugger_agent_breakpoint_hit (ctx);
6811 #if !defined(HOST_WIN32) && defined(HAVE_SIG_INFO)
6812 fault_addr = info->si_addr;
6813 if (mono_aot_is_pagefault (info->si_addr)) {
6814 mono_aot_handle_pagefault (info->si_addr);
6819 /* The thread might no be registered with the runtime */
6820 if (!mono_domain_get () || !jit_tls) {
6821 if (!mono_do_crash_chaining && mono_chain_signal (SIG_HANDLER_PARAMS))
6823 mono_handle_native_sigsegv (SIGSEGV, ctx);
6824 if (mono_do_crash_chaining)
6825 mono_chain_signal (SIG_HANDLER_PARAMS);
6828 ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context (ctx));
6830 #ifdef MONO_ARCH_SIGSEGV_ON_ALTSTACK
6831 if (mono_handle_soft_stack_ovf (jit_tls, ji, ctx, (guint8*)info->si_addr))
6834 #ifdef MONO_ARCH_HAVE_SIGCTX_TO_MONOCTX
6835 /* info->si_addr seems to be NULL on some kernels when handling stack overflows */
6836 fault_addr = info->si_addr;
6837 if (fault_addr == NULL) {
6840 mono_arch_sigctx_to_monoctx (ctx, &mctx);
6842 fault_addr = MONO_CONTEXT_GET_SP (&mctx);
6846 if (jit_tls->stack_size &&
6847 ABS ((guint8*)fault_addr - ((guint8*)jit_tls->end_of_stack - jit_tls->stack_size)) < 8192 * sizeof (gpointer)) {
6849 * The hard-guard page has been hit: there is not much we can do anymore
6850 * Print a hopefully clear message and abort.
6852 mono_handle_hard_stack_ovf (jit_tls, ji, ctx, (guint8*)info->si_addr);
6853 g_assert_not_reached ();
6855 /* The original handler might not like that it is executed on an altstack... */
6856 if (!ji && mono_chain_signal (SIG_HANDLER_PARAMS))
6859 mono_arch_handle_altstack_exception (ctx, info->si_addr, FALSE);
6864 if (!mono_do_crash_chaining && mono_chain_signal (SIG_HANDLER_PARAMS))
6867 mono_handle_native_sigsegv (SIGSEGV, ctx);
6869 if (mono_do_crash_chaining)
6870 mono_chain_signal (SIG_HANDLER_PARAMS);
6873 mono_arch_handle_exception (ctx, NULL);
6877 SIG_HANDLER_FUNC (, mono_sigint_signal_handler)
6882 exc = mono_get_exception_execution_engine ("Interrupted (SIGINT).");
6884 mono_arch_handle_exception (ctx, exc);
6887 #ifndef DISABLE_REMOTING
6888 /* mono_jit_create_remoting_trampoline:
6889 * @method: pointer to the method info
6891 * Creates a trampoline which calls the remoting functions. This
6892 * is used in the vtable of transparent proxies.
6894 * Returns: a pointer to the newly created code
6897 mono_jit_create_remoting_trampoline (MonoDomain *domain, MonoMethod *method, MonoRemotingTarget target)
6900 guint8 *addr = NULL;
6902 if ((method->flags & METHOD_ATTRIBUTE_VIRTUAL) && mono_method_signature (method)->generic_param_count) {
6903 return mono_create_specific_trampoline (method, MONO_TRAMPOLINE_GENERIC_VIRTUAL_REMOTING,
6907 if ((method->flags & METHOD_ATTRIBUTE_ABSTRACT) ||
6908 (mono_method_signature (method)->hasthis && (mono_class_is_marshalbyref (method->klass) || method->klass == mono_defaults.object_class))) {
6909 nm = mono_marshal_get_remoting_invoke_for_target (method, target);
6910 addr = mono_compile_method (nm);
6913 addr = mono_compile_method (method);
6915 return mono_get_addr_from_ftnptr (addr);
6919 static gpointer *vtable_trampolines;
6920 static int vtable_trampolines_size;
6923 mini_get_vtable_trampoline (int slot_index)
6925 int index = slot_index + MONO_IMT_SIZE;
6927 g_assert (slot_index >= - MONO_IMT_SIZE);
6928 if (!vtable_trampolines || slot_index + MONO_IMT_SIZE >= vtable_trampolines_size) {
6930 if (!vtable_trampolines || index >= vtable_trampolines_size) {
6934 new_size = vtable_trampolines_size ? vtable_trampolines_size * 2 : 128;
6935 while (new_size <= index)
6937 new_table = g_new0 (gpointer, new_size);
6939 if (vtable_trampolines)
6940 memcpy (new_table, vtable_trampolines, vtable_trampolines_size * sizeof (gpointer));
6941 g_free (vtable_trampolines);
6942 mono_memory_barrier ();
6943 vtable_trampolines = new_table;
6944 vtable_trampolines_size = new_size;
6949 if (!vtable_trampolines [index])
6950 vtable_trampolines [index] = mono_create_specific_trampoline (GUINT_TO_POINTER (slot_index), MONO_TRAMPOLINE_VCALL, mono_get_root_domain (), NULL);
6951 return vtable_trampolines [index];
6955 mini_get_imt_trampoline (int slot_index)
6957 return mini_get_vtable_trampoline (slot_index - MONO_IMT_SIZE);
6961 mini_parse_debug_options (void)
6963 const char *options = g_getenv ("MONO_DEBUG");
6964 gchar **args, **ptr;
6969 args = g_strsplit (options, ",", -1);
6971 for (ptr = args; ptr && *ptr; ptr++) {
6972 const char *arg = *ptr;
6974 if (!strcmp (arg, "handle-sigint"))
6975 debug_options.handle_sigint = TRUE;
6976 else if (!strcmp (arg, "keep-delegates"))
6977 debug_options.keep_delegates = TRUE;
6978 else if (!strcmp (arg, "reverse-pinvoke-exceptions"))
6979 debug_options.reverse_pinvoke_exceptions = TRUE;
6980 else if (!strcmp (arg, "collect-pagefault-stats"))
6981 debug_options.collect_pagefault_stats = TRUE;
6982 else if (!strcmp (arg, "break-on-unverified"))
6983 debug_options.break_on_unverified = TRUE;
6984 else if (!strcmp (arg, "no-gdb-backtrace"))
6985 debug_options.no_gdb_backtrace = TRUE;
6986 else if (!strcmp (arg, "suspend-on-sigsegv"))
6987 debug_options.suspend_on_sigsegv = TRUE;
6988 else if (!strcmp (arg, "suspend-on-exception"))
6989 debug_options.suspend_on_exception = TRUE;
6990 else if (!strcmp (arg, "suspend-on-unhandled"))
6991 debug_options.suspend_on_unhandled = TRUE;
6992 else if (!strcmp (arg, "dont-free-domains"))
6993 mono_dont_free_domains = TRUE;
6994 else if (!strcmp (arg, "dyn-runtime-invoke"))
6995 debug_options.dyn_runtime_invoke = TRUE;
6996 else if (!strcmp (arg, "gdb"))
6997 debug_options.gdb = TRUE;
6998 else if (!strcmp (arg, "explicit-null-checks"))
6999 debug_options.explicit_null_checks = TRUE;
7000 else if (!strcmp (arg, "gen-seq-points"))
7001 debug_options.gen_seq_points = TRUE;
7002 else if (!strcmp (arg, "init-stacks"))
7003 debug_options.init_stacks = TRUE;
7004 else if (!strcmp (arg, "casts"))
7005 debug_options.better_cast_details = TRUE;
7006 else if (!strcmp (arg, "soft-breakpoints"))
7007 debug_options.soft_breakpoints = TRUE;
7008 else if (!strcmp (arg, "check-pinvoke-callconv"))
7009 debug_options.check_pinvoke_callconv = TRUE;
7010 else if (!strcmp (arg, "debug-domain-unload"))
7011 mono_enable_debug_domain_unload (TRUE);
7013 fprintf (stderr, "Invalid option for the MONO_DEBUG env variable: %s\n", arg);
7014 fprintf (stderr, "Available options: 'handle-sigint', 'keep-delegates', 'reverse-pinvoke-exceptions', 'collect-pagefault-stats', 'break-on-unverified', 'no-gdb-backtrace', 'dont-free-domains', 'suspend-on-sigsegv', 'suspend-on-exception', 'suspend-on-unhandled', 'dyn-runtime-invoke', 'gdb', 'explicit-null-checks', 'init-stacks', 'check-pinvoke-callconv', 'debug-domain-unload'\n");
7023 mini_get_debug_options (void)
7025 return &debug_options;
7029 mini_create_ftnptr (MonoDomain *domain, gpointer addr)
7031 #if !defined(__ia64__) && !defined(__ppc64__) && !defined(__powerpc64__)
7035 gpointer* desc = NULL;
7037 if ((desc = g_hash_table_lookup (domain->ftnptrs_hash, addr)))
7040 desc = mono_domain_code_reserve (domain, 2 * sizeof (gpointer));
7044 # elif defined(__ppc64__) || defined(__powerpc64__)
7046 desc = mono_domain_alloc0 (domain, 3 * sizeof (gpointer));
7052 g_hash_table_insert (domain->ftnptrs_hash, addr, desc);
7058 mini_get_addr_from_ftnptr (gpointer descr)
7060 #if defined(__ia64__) || defined(__ppc64__) || defined(__powerpc64__)
7061 return *(gpointer*)descr;
7068 register_jit_stats (void)
7070 mono_counters_register ("Compiled methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_compiled);
7071 mono_counters_register ("Methods from AOT", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_aot);
7072 mono_counters_register ("Methods JITted using mono JIT", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_without_llvm);
7073 mono_counters_register ("Methods JITted using LLVM", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_with_llvm);
7074 mono_counters_register ("Total time spent JITting (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_time);
7075 mono_counters_register ("Basic blocks", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.basic_blocks);
7076 mono_counters_register ("Max basic blocks", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.max_basic_blocks);
7077 mono_counters_register ("Allocated vars", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.allocate_var);
7078 mono_counters_register ("Code reallocs", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.code_reallocs);
7079 mono_counters_register ("Allocated code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.allocated_code_size);
7080 mono_counters_register ("Inlineable methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.inlineable_methods);
7081 mono_counters_register ("Inlined methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.inlined_methods);
7082 mono_counters_register ("Regvars", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.regvars);
7083 mono_counters_register ("Locals stack size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.locals_stack_size);
7084 mono_counters_register ("Method cache lookups", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_lookups);
7085 mono_counters_register ("Compiled CIL code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.cil_code_size);
7086 mono_counters_register ("Native code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.native_code_size);
7087 mono_counters_register ("Aliases found", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.alias_found);
7088 mono_counters_register ("Aliases eliminated", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.alias_removed);
7089 mono_counters_register ("Aliased loads eliminated", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.loads_eliminated);
7090 mono_counters_register ("Aliased stores eliminated", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.stores_eliminated);
7093 static void runtime_invoke_info_free (gpointer value);
7094 static void seq_point_info_free (gpointer value);
7097 class_method_pair_equal (gconstpointer ka, gconstpointer kb)
7099 const MonoClassMethodPair *apair = ka;
7100 const MonoClassMethodPair *bpair = kb;
7102 return apair->klass == bpair->klass && apair->method == bpair->method ? 1 : 0;
7106 class_method_pair_hash (gconstpointer data)
7108 const MonoClassMethodPair *pair = data;
7110 return (gsize)pair->klass ^ (gsize)pair->method;
7114 mini_create_jit_domain_info (MonoDomain *domain)
7116 MonoJitDomainInfo *info = g_new0 (MonoJitDomainInfo, 1);
7118 info->class_init_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
7119 info->jump_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
7120 info->jit_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
7121 info->delegate_trampoline_hash = g_hash_table_new (class_method_pair_hash, class_method_pair_equal);
7122 info->llvm_vcall_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
7123 info->runtime_invoke_hash = g_hash_table_new_full (mono_aligned_addr_hash, NULL, NULL, runtime_invoke_info_free);
7124 info->seq_points = g_hash_table_new_full (mono_aligned_addr_hash, NULL, NULL, seq_point_info_free);
7125 info->arch_seq_points = g_hash_table_new (mono_aligned_addr_hash, NULL);
7126 info->jump_target_hash = g_hash_table_new (NULL, NULL);
7128 domain->runtime_info = info;
7132 delete_jump_list (gpointer key, gpointer value, gpointer user_data)
7134 MonoJumpList *jlist = value;
7135 g_slist_free (jlist->list);
7139 delete_got_slot_list (gpointer key, gpointer value, gpointer user_data)
7141 GSList *list = value;
7142 g_slist_free (list);
7146 dynamic_method_info_free (gpointer key, gpointer value, gpointer user_data)
7148 MonoJitDynamicMethodInfo *di = value;
7149 mono_code_manager_destroy (di->code_mp);
7154 runtime_invoke_info_free (gpointer value)
7156 RuntimeInvokeInfo *info = (RuntimeInvokeInfo*)value;
7158 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
7159 if (info->dyn_call_info)
7160 mono_arch_dyn_call_free (info->dyn_call_info);
7165 static void seq_point_info_free (gpointer value)
7168 MonoSeqPointInfo* info = (MonoSeqPointInfo*)value;
7170 for (i = 0; i < info->len; ++i) {
7171 SeqPoint *sp = &info->seq_points [i];
7179 mini_free_jit_domain_info (MonoDomain *domain)
7181 MonoJitDomainInfo *info = domain_jit_info (domain);
7183 g_hash_table_foreach (info->jump_target_hash, delete_jump_list, NULL);
7184 g_hash_table_destroy (info->jump_target_hash);
7185 if (info->jump_target_got_slot_hash) {
7186 g_hash_table_foreach (info->jump_target_got_slot_hash, delete_got_slot_list, NULL);
7187 g_hash_table_destroy (info->jump_target_got_slot_hash);
7189 if (info->dynamic_code_hash) {
7190 g_hash_table_foreach (info->dynamic_code_hash, dynamic_method_info_free, NULL);
7191 g_hash_table_destroy (info->dynamic_code_hash);
7193 if (info->method_code_hash)
7194 g_hash_table_destroy (info->method_code_hash);
7195 g_hash_table_destroy (info->class_init_trampoline_hash);
7196 g_hash_table_destroy (info->jump_trampoline_hash);
7197 g_hash_table_destroy (info->jit_trampoline_hash);
7198 g_hash_table_destroy (info->delegate_trampoline_hash);
7199 if (info->static_rgctx_trampoline_hash)
7200 g_hash_table_destroy (info->static_rgctx_trampoline_hash);
7201 g_hash_table_destroy (info->llvm_vcall_trampoline_hash);
7202 g_hash_table_destroy (info->runtime_invoke_hash);
7203 g_hash_table_destroy (info->seq_points);
7204 g_hash_table_destroy (info->arch_seq_points);
7205 if (info->agent_info)
7206 mono_debugger_agent_free_domain_info (domain);
7207 if (info->gsharedvt_arg_tramp_hash)
7208 g_hash_table_destroy (info->gsharedvt_arg_tramp_hash);
7210 mono_llvm_free_domain_info (domain);
7213 g_free (domain->runtime_info);
7214 domain->runtime_info = NULL;
7218 mini_init (const char *filename, const char *runtime_version)
7221 MonoRuntimeCallbacks callbacks;
7222 MonoThreadInfoRuntimeCallbacks ticallbacks;
7224 MONO_VES_INIT_BEGIN ();
7226 #if defined(__linux__) && !defined(__native_client__)
7227 if (access ("/proc/self/maps", F_OK) != 0) {
7228 g_print ("Mono requires /proc to be mounted.\n");
7233 InitializeCriticalSection (&jit_mutex);
7235 mono_cross_helpers_run ();
7237 /* Happens when using the embedding interface */
7238 if (!default_opt_set)
7239 default_opt = mono_parse_default_optimizations (NULL);
7241 #ifdef MONO_ARCH_GSHAREDVT_SUPPORTED
7243 mono_set_generic_sharing_vt_supported (TRUE);
7246 #ifdef MONO_HAVE_FAST_TLS
7247 MONO_FAST_TLS_INIT (mono_jit_tls);
7248 MONO_FAST_TLS_INIT (mono_lmf_addr);
7249 #ifdef MONO_ARCH_ENABLE_MONO_LMF_VAR
7250 MONO_FAST_TLS_INIT (mono_lmf);
7254 mono_runtime_set_has_tls_get (MONO_ARCH_HAVE_TLS_GET);
7256 if (!global_codeman)
7257 global_codeman = mono_code_manager_new ();
7258 jit_icall_name_hash = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
7260 memset (&callbacks, 0, sizeof (callbacks));
7261 callbacks.create_ftnptr = mini_create_ftnptr;
7262 callbacks.get_addr_from_ftnptr = mini_get_addr_from_ftnptr;
7263 callbacks.get_runtime_build_info = mono_get_runtime_build_info;
7264 callbacks.set_cast_details = mono_set_cast_details;
7265 callbacks.debug_log = mono_debugger_agent_debug_log;
7266 callbacks.debug_log_is_enabled = mono_debugger_agent_debug_log_is_enabled;
7268 #ifdef MONO_ARCH_HAVE_IMT
7270 callbacks.get_vtable_trampoline = mini_get_vtable_trampoline;
7271 callbacks.get_imt_trampoline = mini_get_imt_trampoline;
7275 mono_install_callbacks (&callbacks);
7277 memset (&ticallbacks, 0, sizeof (ticallbacks));
7278 ticallbacks.setup_async_callback = mono_setup_async_callback;
7279 ticallbacks.thread_state_init_from_sigctx = mono_thread_state_init_from_sigctx;
7280 ticallbacks.thread_state_init_from_handle = mono_thread_state_init_from_handle;
7282 mono_threads_runtime_init (&ticallbacks);
7285 if (g_getenv ("MONO_DEBUG") != NULL)
7286 mini_parse_debug_options ();
7288 mono_code_manager_init ();
7292 mono_arch_cpu_init ();
7296 mono_unwind_init ();
7298 if (g_getenv ("MONO_XDEBUG")) {
7299 const char *xdebug_opts = g_getenv ("MONO_XDEBUG");
7300 mono_xdebug_init (xdebug_opts);
7301 /* So methods for multiple domains don't have the same address */
7302 mono_dont_free_domains = TRUE;
7303 mono_using_xdebug = TRUE;
7304 } else if (mini_get_debug_options ()->gdb) {
7305 mono_xdebug_init ((char*)"gdb");
7306 mono_dont_free_domains = TRUE;
7307 mono_using_xdebug = TRUE;
7311 if (mono_use_llvm) {
7312 if (!mono_llvm_load (NULL)) {
7313 mono_use_llvm = FALSE;
7314 fprintf (stderr, "Mono Warning: llvm support could not be loaded.\n");
7321 mono_trampolines_init ();
7323 if (!g_thread_supported ())
7324 g_thread_init (NULL);
7326 mono_native_tls_alloc (&mono_jit_tls_id, NULL);
7328 if (default_opt & MONO_OPT_AOT)
7331 mono_debugger_agent_init ();
7333 #ifdef MONO_ARCH_GSHARED_SUPPORTED
7334 mono_set_generic_sharing_supported (TRUE);
7337 #ifndef MONO_CROSS_COMPILE
7338 mono_runtime_install_handlers ();
7340 mono_threads_install_cleanup (mini_thread_cleanup);
7342 #ifdef MONO_ARCH_HAVE_NOTIFY_PENDING_EXC
7343 // This is experimental code so provide an env var to switch it off
7344 if (g_getenv ("MONO_DISABLE_PENDING_EXCEPTIONS")) {
7345 printf ("MONO_DISABLE_PENDING_EXCEPTIONS env var set.\n");
7347 check_for_pending_exc = FALSE;
7348 mono_threads_install_notify_pending_exc (mono_arch_notify_pending_exc);
7352 #define JIT_TRAMPOLINES_WORK
7353 #ifdef JIT_TRAMPOLINES_WORK
7354 mono_install_compile_method (mono_jit_compile_method);
7355 mono_install_free_method (mono_jit_free_method);
7356 mono_install_trampoline (mono_create_jit_trampoline);
7357 mono_install_jump_trampoline (mono_create_jump_trampoline);
7358 #ifndef DISABLE_REMOTING
7359 mono_install_remoting_trampoline (mono_jit_create_remoting_trampoline);
7361 mono_install_delegate_trampoline (mono_create_delegate_trampoline);
7362 mono_install_create_domain_hook (mini_create_jit_domain_info);
7363 mono_install_free_domain_hook (mini_free_jit_domain_info);
7365 #define JIT_INVOKE_WORKS
7366 #ifdef JIT_INVOKE_WORKS
7367 mono_install_runtime_invoke (mono_jit_runtime_invoke);
7369 mono_install_get_cached_class_info (mono_aot_get_cached_class_info);
7370 mono_install_get_class_from_name (mono_aot_get_class_from_name);
7371 mono_install_jit_info_find_in_aot (mono_aot_find_jit_info);
7373 if (debug_options.collect_pagefault_stats) {
7374 mono_aot_set_make_unreadable (TRUE);
7377 if (runtime_version)
7378 domain = mono_init_version (filename, runtime_version);
7380 domain = mono_init_from_assembly (filename, filename);
7382 if (mono_aot_only) {
7383 /* This helps catch code allocation requests */
7384 mono_code_manager_set_read_only (domain->code_mp);
7385 mono_marshal_use_aot_wrappers (TRUE);
7388 #ifdef MONO_ARCH_HAVE_IMT
7391 mono_install_imt_thunk_builder (mono_aot_get_imt_thunk);
7393 mono_install_imt_thunk_builder (mono_arch_build_imt_thunk);
7397 /*Init arch tls information only after the metadata side is inited to make sure we see dynamic appdomain tls keys*/
7398 mono_arch_finish_init ();
7402 /* This must come after mono_init () in the aot-only case */
7403 mono_exceptions_init ();
7405 /* This should come after mono_init () too */
7408 mono_add_internal_call ("System.Diagnostics.StackFrame::get_frame_info",
7409 ves_icall_get_frame_info);
7410 mono_add_internal_call ("System.Diagnostics.StackTrace::get_trace",
7411 ves_icall_get_trace);
7412 mono_add_internal_call ("System.Exception::get_trace",
7413 ves_icall_System_Exception_get_trace);
7414 mono_add_internal_call ("System.Security.SecurityFrame::_GetSecurityFrame",
7415 ves_icall_System_Security_SecurityFrame_GetSecurityFrame);
7416 mono_add_internal_call ("System.Security.SecurityFrame::_GetSecurityStack",
7417 ves_icall_System_Security_SecurityFrame_GetSecurityStack);
7418 mono_add_internal_call ("Mono.Runtime::mono_runtime_install_handlers",
7419 mono_runtime_install_handlers);
7421 #if defined(PLATFORM_ANDROID) || defined(TARGET_ANDROID)
7422 mono_add_internal_call ("System.Diagnostics.Debugger::Mono_UnhandledException_internal",
7423 mono_debugger_agent_unhandled_exception);
7427 mono_create_helper_signatures ();
7430 register_jit_stats ();
7432 #define JIT_CALLS_WORK
7433 #ifdef JIT_CALLS_WORK
7434 /* Needs to be called here since register_jit_icall depends on it */
7435 mono_marshal_init ();
7437 mono_arch_register_lowlevel_calls ();
7440 * It's important that we pass `TRUE` as the last argument here, as
7441 * it causes the JIT to omit a wrapper for these icalls. If the JIT
7442 * *did* emit a wrapper, we'd be looking at infinite recursion since
7443 * the wrapper would call the icall which would call the wrapper and
7446 register_icall (mono_profiler_method_enter, "mono_profiler_method_enter", "void ptr", TRUE);
7447 register_icall (mono_profiler_method_leave, "mono_profiler_method_leave", "void ptr", TRUE);
7449 register_icall (mono_trace_enter_method, "mono_trace_enter_method", NULL, TRUE);
7450 register_icall (mono_trace_leave_method, "mono_trace_leave_method", NULL, TRUE);
7451 register_icall (mono_get_lmf_addr, "mono_get_lmf_addr", "ptr", TRUE);
7452 register_icall (mono_jit_thread_attach, "mono_jit_thread_attach", "ptr ptr", TRUE);
7453 register_icall (mono_jit_set_domain, "mono_jit_set_domain", "void ptr", TRUE);
7454 register_icall (mono_domain_get, "mono_domain_get", "ptr", TRUE);
7456 register_dyn_icall (mono_get_throw_exception (), "mono_arch_throw_exception", "void object", TRUE);
7457 register_dyn_icall (mono_get_rethrow_exception (), "mono_arch_rethrow_exception", "void object", TRUE);
7458 register_dyn_icall (mono_get_throw_corlib_exception (), "mono_arch_throw_corlib_exception", "void ptr", TRUE);
7459 register_icall (mono_thread_get_undeniable_exception, "mono_thread_get_undeniable_exception", "object", FALSE);
7460 register_icall (mono_thread_interruption_checkpoint, "mono_thread_interruption_checkpoint", "void", FALSE);
7461 register_icall (mono_thread_force_interruption_checkpoint, "mono_thread_force_interruption_checkpoint", "void", FALSE);
7462 #ifndef DISABLE_REMOTING
7463 register_icall (mono_load_remote_field_new, "mono_load_remote_field_new", "object object ptr ptr", FALSE);
7464 register_icall (mono_store_remote_field_new, "mono_store_remote_field_new", "void object ptr ptr object", FALSE);
7467 #if defined(__native_client__) || defined(__native_client_codegen__)
7468 register_icall (mono_nacl_gc, "mono_nacl_gc", "void", TRUE);
7471 * NOTE, NOTE, NOTE, NOTE:
7472 * when adding emulation for some opcodes, remember to also add a dummy
7473 * rule to the burg files, because we need the arity information to be correct.
7475 #ifndef MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS
7476 register_opcode_emulation (OP_LMUL, "__emul_lmul", "long long long", mono_llmult, "mono_llmult", TRUE);
7477 register_opcode_emulation (OP_LDIV, "__emul_ldiv", "long long long", mono_lldiv, "mono_lldiv", FALSE);
7478 register_opcode_emulation (OP_LDIV_UN, "__emul_ldiv_un", "long long long", mono_lldiv_un, "mono_lldiv_un", FALSE);
7479 register_opcode_emulation (OP_LREM, "__emul_lrem", "long long long", mono_llrem, "mono_llrem", FALSE);
7480 register_opcode_emulation (OP_LREM_UN, "__emul_lrem_un", "long long long", mono_llrem_un, "mono_llrem_un", FALSE);
7482 #if !defined(MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS) || defined(MONO_ARCH_EMULATE_LONG_MUL_OVF_OPTS)
7483 register_opcode_emulation (OP_LMUL_OVF_UN, "__emul_lmul_ovf_un", "long long long", mono_llmult_ovf_un, "mono_llmult_ovf_un", FALSE);
7484 register_opcode_emulation (OP_LMUL_OVF, "__emul_lmul_ovf", "long long long", mono_llmult_ovf, "mono_llmult_ovf", FALSE);
7487 #ifndef MONO_ARCH_NO_EMULATE_LONG_SHIFT_OPS
7488 register_opcode_emulation (OP_LSHL, "__emul_lshl", "long long int32", mono_lshl, "mono_lshl", TRUE);
7489 register_opcode_emulation (OP_LSHR, "__emul_lshr", "long long int32", mono_lshr, "mono_lshr", TRUE);
7490 register_opcode_emulation (OP_LSHR_UN, "__emul_lshr_un", "long long int32", mono_lshr_un, "mono_lshr_un", TRUE);
7493 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_DIV)
7494 register_opcode_emulation (OP_IDIV, "__emul_op_idiv", "int32 int32 int32", mono_idiv, "mono_idiv", FALSE);
7495 register_opcode_emulation (OP_IDIV_UN, "__emul_op_idiv_un", "int32 int32 int32", mono_idiv_un, "mono_idiv_un", FALSE);
7496 register_opcode_emulation (OP_IREM, "__emul_op_irem", "int32 int32 int32", mono_irem, "mono_irem", FALSE);
7497 register_opcode_emulation (OP_IREM_UN, "__emul_op_irem_un", "int32 int32 int32", mono_irem_un, "mono_irem_un", FALSE);
7500 #ifdef MONO_ARCH_EMULATE_MUL_DIV
7501 register_opcode_emulation (OP_IMUL, "__emul_op_imul", "int32 int32 int32", mono_imul, "mono_imul", TRUE);
7504 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_MUL_OVF)
7505 register_opcode_emulation (OP_IMUL_OVF, "__emul_op_imul_ovf", "int32 int32 int32", mono_imul_ovf, "mono_imul_ovf", FALSE);
7506 register_opcode_emulation (OP_IMUL_OVF_UN, "__emul_op_imul_ovf_un", "int32 int32 int32", mono_imul_ovf_un, "mono_imul_ovf_un", FALSE);
7509 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_SOFT_FLOAT_FALLBACK)
7510 if (ARCH_EMULATE_MUL_DIV || mono_arch_is_soft_float ()) {
7511 register_opcode_emulation (OP_FDIV, "__emul_fdiv", "double double double", mono_fdiv, "mono_fdiv", FALSE);
7515 register_opcode_emulation (OP_FCONV_TO_U8, "__emul_fconv_to_u8", "ulong double", mono_fconv_u8, "mono_fconv_u8", FALSE);
7516 register_opcode_emulation (OP_FCONV_TO_U4, "__emul_fconv_to_u4", "uint32 double", mono_fconv_u4, "mono_fconv_u4", FALSE);
7517 register_opcode_emulation (OP_FCONV_TO_OVF_I8, "__emul_fconv_to_ovf_i8", "long double", mono_fconv_ovf_i8, "mono_fconv_ovf_i8", FALSE);
7518 register_opcode_emulation (OP_FCONV_TO_OVF_U8, "__emul_fconv_to_ovf_u8", "ulong double", mono_fconv_ovf_u8, "mono_fconv_ovf_u8", FALSE);
7520 #ifdef MONO_ARCH_EMULATE_FCONV_TO_I8
7521 register_opcode_emulation (OP_FCONV_TO_I8, "__emul_fconv_to_i8", "long double", mono_fconv_i8, "mono_fconv_i8", FALSE);
7523 #ifdef MONO_ARCH_EMULATE_CONV_R8_UN
7524 register_opcode_emulation (OP_ICONV_TO_R_UN, "__emul_iconv_to_r_un", "double int32", mono_conv_to_r8_un, "mono_conv_to_r8_un", FALSE);
7526 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8
7527 register_opcode_emulation (OP_LCONV_TO_R8, "__emul_lconv_to_r8", "double long", mono_lconv_to_r8, "mono_lconv_to_r8", FALSE);
7529 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R4
7530 register_opcode_emulation (OP_LCONV_TO_R4, "__emul_lconv_to_r4", "float long", mono_lconv_to_r4, "mono_lconv_to_r4", FALSE);
7532 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8_UN
7533 register_opcode_emulation (OP_LCONV_TO_R_UN, "__emul_lconv_to_r8_un", "double long", mono_lconv_to_r8_un, "mono_lconv_to_r8_un", FALSE);
7535 #ifdef MONO_ARCH_EMULATE_FREM
7536 #if defined(__default_codegen__)
7537 register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", fmod, "fmod", FALSE);
7538 #elif defined(__native_client_codegen__)
7539 register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", mono_fmod, "mono_fmod", FALSE);
7543 #ifdef MONO_ARCH_SOFT_FLOAT_FALLBACK
7544 if (mono_arch_is_soft_float ()) {
7545 register_opcode_emulation (OP_FSUB, "__emul_fsub", "double double double", mono_fsub, "mono_fsub", FALSE);
7546 register_opcode_emulation (OP_FADD, "__emul_fadd", "double double double", mono_fadd, "mono_fadd", FALSE);
7547 register_opcode_emulation (OP_FMUL, "__emul_fmul", "double double double", mono_fmul, "mono_fmul", FALSE);
7548 register_opcode_emulation (OP_FNEG, "__emul_fneg", "double double", mono_fneg, "mono_fneg", FALSE);
7549 register_opcode_emulation (OP_ICONV_TO_R8, "__emul_iconv_to_r8", "double int32", mono_conv_to_r8, "mono_conv_to_r8", FALSE);
7550 register_opcode_emulation (OP_ICONV_TO_R4, "__emul_iconv_to_r4", "double int32", mono_conv_to_r4, "mono_conv_to_r4", FALSE);
7551 register_opcode_emulation (OP_FCONV_TO_R4, "__emul_fconv_to_r4", "double double", mono_fconv_r4, "mono_fconv_r4", FALSE);
7552 register_opcode_emulation (OP_FCONV_TO_I1, "__emul_fconv_to_i1", "int8 double", mono_fconv_i1, "mono_fconv_i1", FALSE);
7553 register_opcode_emulation (OP_FCONV_TO_I2, "__emul_fconv_to_i2", "int16 double", mono_fconv_i2, "mono_fconv_i2", FALSE);
7554 register_opcode_emulation (OP_FCONV_TO_I4, "__emul_fconv_to_i4", "int32 double", mono_fconv_i4, "mono_fconv_i4", FALSE);
7555 register_opcode_emulation (OP_FCONV_TO_U1, "__emul_fconv_to_u1", "uint8 double", mono_fconv_u1, "mono_fconv_u1", FALSE);
7556 register_opcode_emulation (OP_FCONV_TO_U2, "__emul_fconv_to_u2", "uint16 double", mono_fconv_u2, "mono_fconv_u2", FALSE);
7558 #if SIZEOF_VOID_P == 4
7559 register_opcode_emulation (OP_FCONV_TO_I, "__emul_fconv_to_i", "int32 double", mono_fconv_i4, "mono_fconv_i4", FALSE);
7562 register_opcode_emulation (OP_FBEQ, "__emul_fcmp_eq", "uint32 double double", mono_fcmp_eq, "mono_fcmp_eq", FALSE);
7563 register_opcode_emulation (OP_FBLT, "__emul_fcmp_lt", "uint32 double double", mono_fcmp_lt, "mono_fcmp_lt", FALSE);
7564 register_opcode_emulation (OP_FBGT, "__emul_fcmp_gt", "uint32 double double", mono_fcmp_gt, "mono_fcmp_gt", FALSE);
7565 register_opcode_emulation (OP_FBLE, "__emul_fcmp_le", "uint32 double double", mono_fcmp_le, "mono_fcmp_le", FALSE);
7566 register_opcode_emulation (OP_FBGE, "__emul_fcmp_ge", "uint32 double double", mono_fcmp_ge, "mono_fcmp_ge", FALSE);
7567 register_opcode_emulation (OP_FBNE_UN, "__emul_fcmp_ne_un", "uint32 double double", mono_fcmp_ne_un, "mono_fcmp_ne_un", FALSE);
7568 register_opcode_emulation (OP_FBLT_UN, "__emul_fcmp_lt_un", "uint32 double double", mono_fcmp_lt_un, "mono_fcmp_lt_un", FALSE);
7569 register_opcode_emulation (OP_FBGT_UN, "__emul_fcmp_gt_un", "uint32 double double", mono_fcmp_gt_un, "mono_fcmp_gt_un", FALSE);
7570 register_opcode_emulation (OP_FBLE_UN, "__emul_fcmp_le_un", "uint32 double double", mono_fcmp_le_un, "mono_fcmp_le_un", FALSE);
7571 register_opcode_emulation (OP_FBGE_UN, "__emul_fcmp_ge_un", "uint32 double double", mono_fcmp_ge_un, "mono_fcmp_ge_un", FALSE);
7573 register_opcode_emulation (OP_FCEQ, "__emul_fcmp_ceq", "uint32 double double", mono_fceq, "mono_fceq", FALSE);
7574 register_opcode_emulation (OP_FCGT, "__emul_fcmp_cgt", "uint32 double double", mono_fcgt, "mono_fcgt", FALSE);
7575 register_opcode_emulation (OP_FCGT_UN, "__emul_fcmp_cgt_un", "uint32 double double", mono_fcgt_un, "mono_fcgt_un", FALSE);
7576 register_opcode_emulation (OP_FCLT, "__emul_fcmp_clt", "uint32 double double", mono_fclt, "mono_fclt", FALSE);
7577 register_opcode_emulation (OP_FCLT_UN, "__emul_fcmp_clt_un", "uint32 double double", mono_fclt_un, "mono_fclt_un", FALSE);
7579 register_icall (mono_fload_r4, "mono_fload_r4", "double ptr", FALSE);
7580 register_icall (mono_fstore_r4, "mono_fstore_r4", "void double ptr", FALSE);
7581 register_icall (mono_fload_r4_arg, "mono_fload_r4_arg", "uint32 double", FALSE);
7582 register_icall (mono_isfinite, "mono_isfinite", "uint32 double", FALSE);
7586 #ifdef COMPRESSED_INTERFACE_BITMAP
7587 register_icall (mono_class_interface_match, "mono_class_interface_match", "uint32 ptr int32", TRUE);
7590 #if SIZEOF_REGISTER == 4
7591 register_opcode_emulation (OP_FCONV_TO_U, "__emul_fconv_to_u", "uint32 double", mono_fconv_u4, "mono_fconv_u4", TRUE);
7593 register_opcode_emulation (OP_FCONV_TO_U, "__emul_fconv_to_u", "ulong double", mono_fconv_u8, "mono_fconv_u8", TRUE);
7596 /* other jit icalls */
7597 register_icall (mono_delegate_ctor, "mono_delegate_ctor", "void object object ptr", FALSE);
7598 register_icall (mono_class_static_field_address , "mono_class_static_field_address",
7599 "ptr ptr ptr", FALSE);
7600 register_icall (mono_ldtoken_wrapper, "mono_ldtoken_wrapper", "ptr ptr ptr ptr", FALSE);
7601 register_icall (mono_ldtoken_wrapper_generic_shared, "mono_ldtoken_wrapper_generic_shared",
7602 "ptr ptr ptr ptr", FALSE);
7603 register_icall (mono_get_special_static_data, "mono_get_special_static_data", "ptr int", FALSE);
7604 register_icall (mono_ldstr, "mono_ldstr", "object ptr ptr int32", FALSE);
7605 register_icall (mono_helper_stelem_ref_check, "mono_helper_stelem_ref_check", "void object object", FALSE);
7606 register_icall (mono_object_new, "mono_object_new", "object ptr ptr", FALSE);
7607 register_icall (mono_object_new_specific, "mono_object_new_specific", "object ptr", FALSE);
7608 register_icall (mono_array_new, "mono_array_new", "object ptr ptr int32", FALSE);
7609 register_icall (mono_array_new_specific, "mono_array_new_specific", "object ptr int32", FALSE);
7610 register_icall (mono_runtime_class_init, "mono_runtime_class_init", "void ptr", FALSE);
7611 register_icall (mono_ldftn, "mono_ldftn", "ptr ptr", FALSE);
7612 register_icall (mono_ldvirtfn, "mono_ldvirtfn", "ptr object ptr", FALSE);
7613 register_icall (mono_ldvirtfn_gshared, "mono_ldvirtfn_gshared", "ptr object ptr", FALSE);
7614 register_icall (mono_helper_compile_generic_method, "mono_helper_compile_generic_method", "ptr object ptr ptr", FALSE);
7615 register_icall (mono_helper_ldstr, "mono_helper_ldstr", "object ptr int", FALSE);
7616 register_icall (mono_helper_ldstr_mscorlib, "mono_helper_ldstr_mscorlib", "object int", FALSE);
7617 register_icall (mono_helper_newobj_mscorlib, "mono_helper_newobj_mscorlib", "object int", FALSE);
7618 register_icall (mono_value_copy, "mono_value_copy", "void ptr ptr ptr", FALSE);
7619 register_icall (mono_object_castclass_unbox, "mono_object_castclass_unbox", "object object ptr", FALSE);
7620 register_icall (mono_break, "mono_break", NULL, TRUE);
7621 register_icall (mono_create_corlib_exception_0, "mono_create_corlib_exception_0", "object int", TRUE);
7622 register_icall (mono_create_corlib_exception_1, "mono_create_corlib_exception_1", "object int object", TRUE);
7623 register_icall (mono_create_corlib_exception_2, "mono_create_corlib_exception_2", "object int object object", TRUE);
7624 register_icall (mono_array_new_1, "mono_array_new_1", "object ptr int", FALSE);
7625 register_icall (mono_array_new_2, "mono_array_new_2", "object ptr int int", FALSE);
7626 register_icall (mono_array_new_3, "mono_array_new_3", "object ptr int int int", FALSE);
7627 register_icall (mono_array_new_4, "mono_array_new_4", "object ptr int int int int", FALSE);
7628 register_icall (mono_get_native_calli_wrapper, "mono_get_native_calli_wrapper", "ptr ptr ptr ptr", FALSE);
7629 register_icall (mono_resume_unwind, "mono_resume_unwind", "void", TRUE);
7630 register_icall (mono_gsharedvt_constrained_call, "mono_gsharedvt_constrained_call", "object ptr ptr ptr ptr ptr", FALSE);
7631 register_icall (mono_gsharedvt_value_copy, "mono_gsharedvt_value_copy", "void ptr ptr ptr", TRUE);
7633 register_icall (mono_gc_wbarrier_value_copy_bitmap, "mono_gc_wbarrier_value_copy_bitmap", "void ptr ptr int int", FALSE);
7635 register_icall (mono_object_castclass_with_cache, "mono_object_castclass_with_cache", "object object ptr ptr", FALSE);
7636 register_icall (mono_object_isinst_with_cache, "mono_object_isinst_with_cache", "object object ptr ptr", FALSE);
7638 register_icall (mono_debugger_agent_user_break, "mono_debugger_agent_user_break", "void", FALSE);
7642 register_icall (pthread_getspecific, "pthread_getspecific", "ptr ptr", TRUE);
7645 mono_generic_sharing_init ();
7647 #ifdef MONO_ARCH_SIMD_INTRINSICS
7648 mono_simd_intrinsics_init ();
7651 #if MONO_SUPPORT_TASKLETS
7652 mono_tasklets_init ();
7655 if (mono_compile_aot)
7657 * Avoid running managed code when AOT compiling, since the platform
7658 * might only support aot-only execution.
7660 mono_runtime_set_no_exec (TRUE);
7662 #define JIT_RUNTIME_WORKS
7663 #ifdef JIT_RUNTIME_WORKS
7664 mono_install_runtime_cleanup ((MonoDomainFunc)mini_cleanup);
7665 mono_runtime_init (domain, mono_thread_start_cb, mono_thread_attach_cb);
7666 mono_thread_attach (domain);
7669 mono_profiler_runtime_initialized ();
7671 MONO_VES_INIT_END ();
7676 MonoJitStats mono_jit_stats = {0};
7679 print_jit_stats (void)
7681 if (mono_jit_stats.enabled) {
7682 g_print ("Mono Jit statistics\n");
7683 g_print ("Max code size ratio: %.2f (%s)\n", mono_jit_stats.max_code_size_ratio/100.0,
7684 mono_jit_stats.max_ratio_method);
7685 g_print ("Biggest method: %ld (%s)\n", mono_jit_stats.biggest_method_size,
7686 mono_jit_stats.biggest_method);
7688 g_print ("Delegates created: %ld\n", mono_stats.delegate_creations);
7689 g_print ("Initialized classes: %ld\n", mono_stats.initialized_class_count);
7690 g_print ("Used classes: %ld\n", mono_stats.used_class_count);
7691 g_print ("Generic vtables: %ld\n", mono_stats.generic_vtable_count);
7692 g_print ("Methods: %ld\n", mono_stats.method_count);
7693 g_print ("Static data size: %ld\n", mono_stats.class_static_data_size);
7694 g_print ("VTable data size: %ld\n", mono_stats.class_vtable_size);
7695 g_print ("Mscorlib mempool size: %d\n", mono_mempool_get_allocated (mono_defaults.corlib->mempool));
7697 g_print ("\nInitialized classes: %ld\n", mono_stats.generic_class_count);
7698 g_print ("Inflated types: %ld\n", mono_stats.inflated_type_count);
7699 g_print ("Generics virtual invokes: %ld\n", mono_jit_stats.generic_virtual_invocations);
7701 g_print ("Sharable generic methods: %ld\n", mono_stats.generics_sharable_methods);
7702 g_print ("Unsharable generic methods: %ld\n", mono_stats.generics_unsharable_methods);
7703 g_print ("Shared generic methods: %ld\n", mono_stats.generics_shared_methods);
7704 g_print ("Shared vtype generic methods: %ld\n", mono_stats.gsharedvt_methods);
7706 g_print ("IMT tables size: %ld\n", mono_stats.imt_tables_size);
7707 g_print ("IMT number of tables: %ld\n", mono_stats.imt_number_of_tables);
7708 g_print ("IMT number of methods: %ld\n", mono_stats.imt_number_of_methods);
7709 g_print ("IMT used slots: %ld\n", mono_stats.imt_used_slots);
7710 g_print ("IMT colliding slots: %ld\n", mono_stats.imt_slots_with_collisions);
7711 g_print ("IMT max collisions: %ld\n", mono_stats.imt_max_collisions_in_slot);
7712 g_print ("IMT methods at max col: %ld\n", mono_stats.imt_method_count_when_max_collisions);
7713 g_print ("IMT thunks size: %ld\n", mono_stats.imt_thunks_size);
7715 g_print ("JIT info table inserts: %ld\n", mono_stats.jit_info_table_insert_count);
7716 g_print ("JIT info table removes: %ld\n", mono_stats.jit_info_table_remove_count);
7717 g_print ("JIT info table lookups: %ld\n", mono_stats.jit_info_table_lookup_count);
7719 if (mono_security_cas_enabled ()) {
7720 g_print ("\nDecl security check : %ld\n", mono_jit_stats.cas_declsec_check);
7721 g_print ("LinkDemand (user) : %ld\n", mono_jit_stats.cas_linkdemand);
7722 g_print ("LinkDemand (icall) : %ld\n", mono_jit_stats.cas_linkdemand_icall);
7723 g_print ("LinkDemand (pinvoke) : %ld\n", mono_jit_stats.cas_linkdemand_pinvoke);
7724 g_print ("LinkDemand (aptc) : %ld\n", mono_jit_stats.cas_linkdemand_aptc);
7725 g_print ("Demand (code gen) : %ld\n", mono_jit_stats.cas_demand_generation);
7728 g_free (mono_jit_stats.max_ratio_method);
7729 mono_jit_stats.max_ratio_method = NULL;
7730 g_free (mono_jit_stats.biggest_method);
7731 mono_jit_stats.biggest_method = NULL;
7736 mini_cleanup (MonoDomain *domain)
7738 mono_runtime_shutdown_stat_profiler ();
7741 cominterop_release_all_rcws ();
7744 #ifndef MONO_CROSS_COMPILE
7746 * mono_domain_finalize () needs to be called early since it needs the
7747 * execution engine still fully working (it may invoke managed finalizers).
7749 mono_domain_finalize (domain, 2000);
7752 /* This accesses metadata so needs to be called before runtime shutdown */
7755 mono_profiler_shutdown ();
7757 #ifndef MONO_CROSS_COMPILE
7758 mono_runtime_cleanup (domain);
7761 free_jit_tls_data (mono_native_tls_get_value (mono_jit_tls_id));
7763 mono_icall_cleanup ();
7765 mono_runtime_cleanup_handlers ();
7767 #ifndef MONO_CROSS_COMPILE
7768 mono_domain_free (domain, TRUE);
7773 mono_llvm_cleanup ();
7776 mono_aot_cleanup ();
7778 mono_trampolines_cleanup ();
7780 mono_unwind_cleanup ();
7782 mono_code_manager_destroy (global_codeman);
7783 g_hash_table_destroy (jit_icall_name_hash);
7784 g_free (emul_opcode_map);
7785 g_free (emul_opcode_opcodes);
7786 g_free (vtable_trampolines);
7788 mono_tramp_info_cleanup ();
7790 mono_arch_cleanup ();
7792 mono_generic_sharing_cleanup ();
7796 mono_trace_cleanup ();
7798 mono_counters_dump (MONO_COUNTER_SECTION_MASK | MONO_COUNTER_MONOTONIC, stdout);
7800 if (mono_inject_async_exc_method)
7801 mono_method_desc_free (mono_inject_async_exc_method);
7803 mono_native_tls_free (mono_jit_tls_id);
7805 DeleteCriticalSection (&jit_mutex);
7807 DeleteCriticalSection (&mono_delegate_section);
7809 mono_code_manager_cleanup ();
7811 #ifdef USE_JUMP_TABLES
7812 mono_jumptable_cleanup ();
7817 mono_set_defaults (int verbose_level, guint32 opts)
7819 mini_verbose = verbose_level;
7820 mono_set_optimizations (opts);
7824 mono_disable_optimizations (guint32 opts)
7826 default_opt &= ~opts;
7830 mono_set_optimizations (guint32 opts)
7833 default_opt_set = TRUE;
7834 #ifdef MONO_ARCH_GSHAREDVT_SUPPORTED
7835 mono_set_generic_sharing_vt_supported (mono_aot_only || ((default_opt & MONO_OPT_GSHAREDVT) != 0));
7840 mono_set_verbose_level (guint32 level)
7842 mini_verbose = level;
7846 * mono_get_runtime_build_info:
7848 * Return the runtime version + build date in string format.
7849 * The returned string is owned by the caller. The returned string
7850 * format is "VERSION (FULL_VERSION BUILD_DATE)" and build date is optional.
7853 mono_get_runtime_build_info (void)
7855 if (mono_build_date)
7856 return g_strdup_printf ("%s (%s %s)", VERSION, FULL_VERSION, mono_build_date);
7858 return g_strdup_printf ("%s (%s)", VERSION, FULL_VERSION);
7862 mono_precompile_assembly (MonoAssembly *ass, void *user_data)
7864 GHashTable *assemblies = (GHashTable*)user_data;
7865 MonoImage *image = mono_assembly_get_image (ass);
7866 MonoMethod *method, *invoke;
7869 if (g_hash_table_lookup (assemblies, ass))
7872 g_hash_table_insert (assemblies, ass, ass);
7874 if (mini_verbose > 0)
7875 printf ("PRECOMPILE: %s.\n", mono_image_get_filename (image));
7877 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_METHOD); ++i) {
7878 method = mono_get_method (image, MONO_TOKEN_METHOD_DEF | (i + 1), NULL);
7879 if (method->flags & METHOD_ATTRIBUTE_ABSTRACT)
7883 if (mini_verbose > 1) {
7884 char * desc = mono_method_full_name (method, TRUE);
7885 g_print ("Compiling %d %s\n", count, desc);
7888 mono_compile_method (method);
7889 if (strcmp (method->name, "Finalize") == 0) {
7890 invoke = mono_marshal_get_runtime_invoke (method, FALSE);
7891 mono_compile_method (invoke);
7893 #ifndef DISABLE_REMOTING
7894 if (mono_class_is_marshalbyref (method->klass) && mono_method_signature (method)->hasthis) {
7895 invoke = mono_marshal_get_remoting_invoke_with_check (method);
7896 mono_compile_method (invoke);
7901 /* Load and precompile referenced assemblies as well */
7902 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_ASSEMBLYREF); ++i) {
7903 mono_assembly_load_reference (image, i);
7904 if (image->references [i])
7905 mono_precompile_assembly (image->references [i], assemblies);
7909 void mono_precompile_assemblies ()
7911 GHashTable *assemblies = g_hash_table_new (NULL, NULL);
7913 mono_assembly_foreach ((GFunc)mono_precompile_assembly, assemblies);
7915 g_hash_table_destroy (assemblies);
7921 mono_arch_instrument_epilog (MonoCompile *cfg, void *func, void *p, gboolean enable_arguments) {
7922 return mono_arch_instrument_epilog_full (cfg, func, p, enable_arguments, FALSE);
7926 mono_cfg_add_try_hole (MonoCompile *cfg, MonoExceptionClause *clause, guint8 *start, MonoBasicBlock *bb)
7928 TryBlockHole *hole = mono_mempool_alloc (cfg->mempool, sizeof (TryBlockHole));
7929 hole->clause = clause;
7930 hole->start_offset = start - cfg->native_code;
7931 hole->basic_block = bb;
7933 cfg->try_block_holes = g_slist_append_mempool (cfg->mempool, cfg->try_block_holes, hole);
7937 mono_cfg_set_exception (MonoCompile *cfg, int type)
7939 cfg->exception_type = type;
7944 /* Dummy versions of some arch specific functions to avoid ifdefs at call sites */
7946 #ifndef MONO_ARCH_GSHAREDVT_SUPPORTED
7949 mono_arch_gsharedvt_sig_supported (MonoMethodSignature *sig)
7955 mono_arch_get_gsharedvt_call_info (gpointer addr, MonoMethodSignature *normal_sig, MonoMethodSignature *gsharedvt_sig, MonoGenericSharingContext *gsctx, gboolean gsharedvt_in, gint32 vcall_offset, gboolean calli)
7957 g_assert_not_reached ();
7962 mono_arch_get_gsharedvt_arg_trampoline (MonoDomain *domain, gpointer arg, gpointer addr)
7964 g_assert_not_reached ();
7969 mono_arch_get_gsharedvt_trampoline (MonoTrampInfo **info, gboolean aot)
7971 g_assert_not_reached ();
7977 #if defined(MONO_ARCH_GSHAREDVT_SUPPORTED) && !defined(ENABLE_GSHAREDVT)
7980 mono_arch_gsharedvt_sig_supported (MonoMethodSignature *sig)
7986 mono_arch_get_gsharedvt_call_info (gpointer addr, MonoMethodSignature *normal_sig, MonoMethodSignature *gsharedvt_sig, MonoGenericSharingContext *gsctx, gboolean gsharedvt_in, gint32 vcall_offset, gboolean calli)
7994 #ifdef USE_JUMP_TABLES
7995 #define DEFAULT_JUMPTABLE_CHUNK_ELEMENTS 128
7997 typedef struct MonoJumpTableChunk {
8000 struct MonoJumpTableChunk *previous;
8001 /* gpointer entries[total]; */
8002 } MonoJumpTableChunk;
8004 static MonoJumpTableChunk* g_jumptable = NULL;
8005 #define mono_jumptable_lock() EnterCriticalSection (&jumptable_mutex)
8006 #define mono_jumptable_unlock() LeaveCriticalSection (&jumptable_mutex)
8007 static CRITICAL_SECTION jumptable_mutex;
8009 static MonoJumpTableChunk*
8010 mono_create_jumptable_chunk (guint32 max_entries)
8012 guint32 size = sizeof (MonoJumpTableChunk) + max_entries * sizeof(gpointer);
8013 MonoJumpTableChunk *chunk = (MonoJumpTableChunk*) g_new0 (guchar, size);
8014 chunk->total = max_entries;
8019 mono_jumptable_init (void)
8021 if (g_jumptable == NULL) {
8022 InitializeCriticalSection (&jumptable_mutex);
8023 g_jumptable = mono_create_jumptable_chunk (DEFAULT_JUMPTABLE_CHUNK_ELEMENTS);
8028 mono_jumptable_add_entry (void)
8030 return mono_jumptable_add_entries (1);
8034 mono_jumptable_add_entries (guint32 entries)
8039 mono_jumptable_init ();
8040 mono_jumptable_lock ();
8041 index = g_jumptable->active;
8042 if (index + entries >= g_jumptable->total) {
8044 * Grow jumptable, by adding one more chunk.
8045 * We cannot realloc jumptable, as there could be pointers
8046 * to existing jump table entries in the code, so instead
8047 * we just add one more chunk.
8049 guint32 max_entries = entries;
8050 MonoJumpTableChunk *new_chunk;
8052 if (max_entries < DEFAULT_JUMPTABLE_CHUNK_ELEMENTS)
8053 max_entries = DEFAULT_JUMPTABLE_CHUNK_ELEMENTS;
8054 new_chunk = mono_create_jumptable_chunk (max_entries);
8055 /* Link old jumptable, so that we could free it up later. */
8056 new_chunk->previous = g_jumptable;
8057 g_jumptable = new_chunk;
8060 g_jumptable->active = index + entries;
8061 result = (gpointer*)((guchar*)g_jumptable + sizeof(MonoJumpTableChunk)) + index;
8062 mono_jumptable_unlock();
8068 mono_jumptable_cleanup (void)
8071 MonoJumpTableChunk *current = g_jumptable, *prev;
8072 while (current != NULL) {
8073 prev = current->previous;
8078 DeleteCriticalSection (&jumptable_mutex);
8083 mono_jumptable_get_entry (guint8 *code_ptr)
8085 return mono_arch_jumptable_entry_from_code (code_ptr);
8090 * mini_replace_type:
8092 * Replace the type used in the metadata stream with what the JIT will actually use during compilation.
8095 mini_replace_type (MonoType *type)
8097 type = mono_type_get_underlying_type (type);
8098 return mini_native_type_replace_type (type);